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-rw-r--r--sound/soc/Kconfig2
-rw-r--r--sound/soc/Makefile2
-rw-r--r--sound/soc/at32/at32-pcm.c5
-rw-r--r--sound/soc/at32/playpaq_wm8510.c7
-rw-r--r--sound/soc/at91/at91-ssc.c2
-rw-r--r--sound/soc/at91/eti_b1_wm8731.c1
-rw-r--r--sound/soc/blackfin/Kconfig85
-rw-r--r--sound/soc/blackfin/Makefile20
-rw-r--r--sound/soc/blackfin/bf5xx-ac97-pcm.c429
-rw-r--r--sound/soc/blackfin/bf5xx-ac97-pcm.h29
-rw-r--r--sound/soc/blackfin/bf5xx-ac97.c407
-rw-r--r--sound/soc/blackfin/bf5xx-ac97.h36
-rw-r--r--sound/soc/blackfin/bf5xx-ad1980.c113
-rw-r--r--sound/soc/blackfin/bf5xx-i2s-pcm.c288
-rw-r--r--sound/soc/blackfin/bf5xx-i2s-pcm.h29
-rw-r--r--sound/soc/blackfin/bf5xx-i2s.c292
-rw-r--r--sound/soc/blackfin/bf5xx-i2s.h14
-rw-r--r--sound/soc/blackfin/bf5xx-sport.c1032
-rw-r--r--sound/soc/blackfin/bf5xx-sport.h192
-rw-r--r--sound/soc/blackfin/bf5xx-ssm2602.c186
-rw-r--r--sound/soc/codecs/Kconfig91
-rw-r--r--sound/soc/codecs/Makefile22
-rw-r--r--sound/soc/codecs/ad1980.c309
-rw-r--r--sound/soc/codecs/ad1980.h23
-rw-r--r--sound/soc/codecs/ak4535.c116
-rw-r--r--sound/soc/codecs/ak4535.h1
-rw-r--r--sound/soc/codecs/cs4270.c103
-rw-r--r--sound/soc/codecs/ssm2602.c776
-rw-r--r--sound/soc/codecs/ssm2602.h130
-rw-r--r--sound/soc/codecs/tlv320aic26.c520
-rw-r--r--sound/soc/codecs/tlv320aic26.h96
-rw-r--r--sound/soc/codecs/tlv320aic3x.c108
-rw-r--r--sound/soc/codecs/tlv320aic3x.h3
-rw-r--r--sound/soc/codecs/uda1380.c115
-rw-r--r--sound/soc/codecs/uda1380.h1
-rw-r--r--sound/soc/codecs/wm8510.c112
-rw-r--r--sound/soc/codecs/wm8510.h1
-rw-r--r--sound/soc/codecs/wm8580.c1055
-rw-r--r--sound/soc/codecs/wm8580.h42
-rw-r--r--sound/soc/codecs/wm8731.c178
-rw-r--r--sound/soc/codecs/wm8731.h2
-rw-r--r--sound/soc/codecs/wm8750.c177
-rw-r--r--sound/soc/codecs/wm8750.h2
-rw-r--r--sound/soc/codecs/wm8753.c110
-rw-r--r--sound/soc/codecs/wm8753.h1
-rw-r--r--sound/soc/codecs/wm8900.c1542
-rw-r--r--sound/soc/codecs/wm8900.h64
-rw-r--r--sound/soc/codecs/wm8903.c1813
-rw-r--r--sound/soc/codecs/wm8903.h1463
-rw-r--r--sound/soc/codecs/wm8971.c942
-rw-r--r--sound/soc/codecs/wm8971.h64
-rw-r--r--sound/soc/codecs/wm8990.c109
-rw-r--r--sound/soc/codecs/wm8990.h1
-rw-r--r--sound/soc/codecs/wm9713.c34
-rw-r--r--sound/soc/davinci/davinci-evm.c3
-rw-r--r--sound/soc/davinci/davinci-i2s.c4
-rw-r--r--sound/soc/davinci/davinci-i2s.h2
-rw-r--r--sound/soc/davinci/davinci-pcm.c2
-rw-r--r--sound/soc/davinci/davinci-pcm.h2
-rw-r--r--sound/soc/fsl/Kconfig10
-rw-r--r--sound/soc/fsl/Makefile5
-rw-r--r--sound/soc/fsl/mpc5200_psc_i2s.c884
-rw-r--r--sound/soc/fsl/mpc8610_hpcd.c26
-rw-r--r--sound/soc/fsl/soc-of-simple.c171
-rw-r--r--sound/soc/omap/n810.c1
-rw-r--r--sound/soc/pxa/Kconfig3
-rw-r--r--sound/soc/pxa/corgi.c35
-rw-r--r--sound/soc/pxa/poodle.c1
-rw-r--r--sound/soc/pxa/pxa2xx-ac97.c282
-rw-r--r--sound/soc/pxa/pxa2xx-i2s.c63
-rw-r--r--sound/soc/pxa/pxa2xx-pcm.c265
-rw-r--r--sound/soc/pxa/pxa2xx-pcm.h15
-rw-r--r--sound/soc/pxa/spitz.c47
-rw-r--r--sound/soc/s3c24xx/neo1973_wm8753.c120
-rw-r--r--sound/soc/soc-core.c138
-rw-r--r--sound/soc/soc-dapm.c127
76 files changed, 14164 insertions, 1339 deletions
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index f743530..4dfda66 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -5,6 +5,7 @@
menuconfig SND_SOC
tristate "ALSA for SoC audio support"
select SND_PCM
+ select AC97_BUS if SND_SOC_AC97_BUS
---help---
If you want ASoC support, you should say Y here and also to the
@@ -31,6 +32,7 @@ source "sound/soc/sh/Kconfig"
source "sound/soc/fsl/Kconfig"
source "sound/soc/davinci/Kconfig"
source "sound/soc/omap/Kconfig"
+source "sound/soc/blackfin/Kconfig"
# Supported codecs
source "sound/soc/codecs/Kconfig"
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index 933a66d..d849349 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -2,4 +2,4 @@ snd-soc-core-objs := soc-core.o soc-dapm.o
obj-$(CONFIG_SND_SOC) += snd-soc-core.o
obj-$(CONFIG_SND_SOC) += codecs/ at32/ at91/ pxa/ s3c24xx/ sh/ fsl/ davinci/
-obj-$(CONFIG_SND_SOC) += omap/ au1x/
+obj-$(CONFIG_SND_SOC) += omap/ au1x/ blackfin/
diff --git a/sound/soc/at32/at32-pcm.c b/sound/soc/at32/at32-pcm.c
index 435f1da..c83584f 100644
--- a/sound/soc/at32/at32-pcm.c
+++ b/sound/soc/at32/at32-pcm.c
@@ -434,7 +434,8 @@ static int at32_pcm_suspend(struct platform_device *pdev,
params = prtd->params;
/* Disable the PDC and save the PDC registers */
- ssc_writex(params->ssc->regs, PDC_PTCR, params->mask->pdc_disable);
+ ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
+ params->mask->pdc_disable);
prtd->pdc_xpr_save = ssc_readx(params->ssc->regs, params->pdc->xpr);
prtd->pdc_xcr_save = ssc_readx(params->ssc->regs, params->pdc->xcr);
@@ -464,7 +465,7 @@ static int at32_pcm_resume(struct platform_device *pdev,
ssc_writex(params->ssc->regs, params->pdc->xnpr, prtd->pdc_xnpr_save);
ssc_writex(params->ssc->regs, params->pdc->xncr, prtd->pdc_xncr_save);
- ssc_writex(params->ssc->regs, PDC_PTCR, params->mask->pdc_enable);
+ ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, params->mask->pdc_enable);
return 0;
}
#else /* CONFIG_PM */
diff --git a/sound/soc/at32/playpaq_wm8510.c b/sound/soc/at32/playpaq_wm8510.c
index 3f32621..98a2d58 100644
--- a/sound/soc/at32/playpaq_wm8510.c
+++ b/sound/soc/at32/playpaq_wm8510.c
@@ -377,6 +377,7 @@ static struct snd_soc_machine snd_soc_machine_playpaq = {
static struct wm8510_setup_data playpaq_wm8510_setup = {
+ .i2c_bus = 0,
.i2c_address = 0x1a,
};
@@ -405,7 +406,6 @@ static int __init playpaq_asoc_init(void)
ssc = ssc_request(0);
if (IS_ERR(ssc)) {
ret = PTR_ERR(ssc);
- ssc = NULL;
goto err_ssc;
}
ssc_p->ssc = ssc;
@@ -476,10 +476,7 @@ err_pll0:
_gclk0 = NULL;
}
err_gclk0:
- if (ssc != NULL) {
- ssc_free(ssc);
- ssc = NULL;
- }
+ ssc_free(ssc);
err_ssc:
return ret;
}
diff --git a/sound/soc/at91/at91-ssc.c b/sound/soc/at91/at91-ssc.c
index 5d44515..a5b1a79 100644
--- a/sound/soc/at91/at91-ssc.c
+++ b/sound/soc/at91/at91-ssc.c
@@ -408,7 +408,7 @@ static int at91_ssc_hw_params(struct snd_pcm_substream *substream,
dma_params->pdc_xfer_size = 4;
break;
default:
- printk(KERN_WARNING "at91-ssc: unsupported PCM format");
+ printk(KERN_WARNING "at91-ssc: unsupported PCM format\n");
return -EINVAL;
}
diff --git a/sound/soc/at91/eti_b1_wm8731.c b/sound/soc/at91/eti_b1_wm8731.c
index b81d6b2..684781e 100644
--- a/sound/soc/at91/eti_b1_wm8731.c
+++ b/sound/soc/at91/eti_b1_wm8731.c
@@ -243,6 +243,7 @@ static struct snd_soc_machine snd_soc_machine_eti_b1 = {
};
static struct wm8731_setup_data eti_b1_wm8731_setup = {
+ .i2c_bus = 0,
.i2c_address = 0x1a,
};
diff --git a/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig
new file mode 100644
index 0000000..f98331d
--- /dev/null
+++ b/sound/soc/blackfin/Kconfig
@@ -0,0 +1,85 @@
+config SND_BF5XX_I2S
+ tristate "SoC I2S Audio for the ADI BF5xx chip"
+ depends on BLACKFIN && SND_SOC
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the Blackfin SPORT (synchronous serial ports) interface in I2S
+ mode (supports single stereo In/Out).
+ You will also need to select the audio interfaces to support below.
+
+config SND_BF5XX_SOC_SSM2602
+ tristate "SoC SSM2602 Audio support for BF52x ezkit"
+ depends on SND_BF5XX_I2S
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_SSM2602
+ select I2C
+ select I2C_BLACKFIN_TWI
+ help
+ Say Y if you want to add support for SoC audio on BF527-EZKIT.
+
+config SND_BF5XX_AC97
+ tristate "SoC AC97 Audio for the ADI BF5xx chip"
+ depends on BLACKFIN && SND_SOC
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the Blackfin SPORT (synchronous serial ports) interface in slot 16
+ mode (pseudo AC97 interface).
+ You will also need to select the audio interfaces to support below.
+
+ Note:
+ AC97 codecs which do not implment the slot-16 mode will not function
+ properly with this driver. This driver is known to work with the
+ Analog Devices line of AC97 codecs.
+
+config SND_MMAP_SUPPORT
+ bool "Enable MMAP Support"
+ depends on SND_BF5XX_AC97
+ default y
+ help
+ Say y if you want AC97 driver to support mmap mode.
+ We introduce an intermediate buffer to simulate mmap.
+
+config SND_BF5XX_SOC_SPORT
+ tristate
+
+config SND_BF5XX_SOC_I2S
+ tristate
+ select SND_BF5XX_SOC_SPORT
+
+config SND_BF5XX_SOC_AC97
+ tristate
+ select AC97_BUS
+ select SND_SOC_AC97_BUS
+ select SND_BF5XX_SOC_SPORT
+
+config SND_BF5XX_SOC_AD1980
+ tristate "SoC AD1980/1 Audio support for BF5xx"
+ depends on SND_BF5XX_AC97
+ select SND_BF5XX_SOC_AC97
+ select SND_SOC_AD1980
+ help
+ Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
+
+config SND_BF5XX_SPORT_NUM
+ int "Set a SPORT for Sound chip"
+ depends on (SND_BF5XX_I2S || SND_BF5XX_AC97)
+ range 0 3 if BF54x
+ range 0 1 if (BF53x || BF561)
+ default 0
+ help
+ Set the correct SPORT for sound chip.
+
+config SND_BF5XX_HAVE_COLD_RESET
+ bool "BOARD has COLD Reset GPIO"
+ depends on SND_BF5XX_AC97
+ default y if BFIN548_EZKIT
+ default n if !BFIN548_EZKIT
+
+config SND_BF5XX_RESET_GPIO_NUM
+ int "Set a GPIO for cold reset"
+ depends on SND_BF5XX_HAVE_COLD_RESET
+ range 0 159
+ default 19 if BFIN548_EZKIT
+ default 5 if BFIN537_STAMP
+ help
+ Set the correct GPIO for RESET the sound chip.
diff --git a/sound/soc/blackfin/Makefile b/sound/soc/blackfin/Makefile
new file mode 100644
index 0000000..9ea8bd9
--- /dev/null
+++ b/sound/soc/blackfin/Makefile
@@ -0,0 +1,20 @@
+# Blackfin Platform Support
+snd-bf5xx-ac97-objs := bf5xx-ac97-pcm.o
+snd-bf5xx-i2s-objs := bf5xx-i2s-pcm.o
+snd-soc-bf5xx-sport-objs := bf5xx-sport.o
+snd-soc-bf5xx-ac97-objs := bf5xx-ac97.o
+snd-soc-bf5xx-i2s-objs := bf5xx-i2s.o
+
+obj-$(CONFIG_SND_BF5XX_AC97) += snd-bf5xx-ac97.o
+obj-$(CONFIG_SND_BF5XX_I2S) += snd-bf5xx-i2s.o
+obj-$(CONFIG_SND_BF5XX_SOC_SPORT) += snd-soc-bf5xx-sport.o
+obj-$(CONFIG_SND_BF5XX_SOC_AC97) += snd-soc-bf5xx-ac97.o
+obj-$(CONFIG_SND_BF5XX_SOC_I2S) += snd-soc-bf5xx-i2s.o
+
+# Blackfin Machine Support
+snd-ad1980-objs := bf5xx-ad1980.o
+snd-ssm2602-objs := bf5xx-ssm2602.o
+
+
+obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o
+obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c
new file mode 100644
index 0000000..51f4907
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c
@@ -0,0 +1,429 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ac97-pcm.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: DMA Driver for AC97 sound chip
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/dma.h>
+
+#include "bf5xx-ac97-pcm.h"
+#include "bf5xx-ac97.h"
+#include "bf5xx-sport.h"
+
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+static void bf5xx_mmap_copy(struct snd_pcm_substream *substream,
+ snd_pcm_uframes_t count)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ bf5xx_pcm_to_ac97(
+ (struct ac97_frame *)sport->tx_dma_buf + sport->tx_pos,
+ (__u32 *)runtime->dma_area + sport->tx_pos, count);
+ sport->tx_pos += runtime->period_size;
+ if (sport->tx_pos >= runtime->buffer_size)
+ sport->tx_pos %= runtime->buffer_size;
+ } else {
+ bf5xx_ac97_to_pcm(
+ (struct ac97_frame *)sport->rx_dma_buf + sport->rx_pos,
+ (__u32 *)runtime->dma_area + sport->rx_pos, count);
+ sport->rx_pos += runtime->period_size;
+ if (sport->rx_pos >= runtime->buffer_size)
+ sport->rx_pos %= runtime->buffer_size;
+ }
+}
+#endif
+
+static void bf5xx_dma_irq(void *data)
+{
+ struct snd_pcm_substream *pcm = data;
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ struct snd_pcm_runtime *runtime = pcm->runtime;
+ bf5xx_mmap_copy(pcm, runtime->period_size);
+#endif
+ snd_pcm_period_elapsed(pcm);
+}
+
+/* The memory size for pure pcm data is 128*1024 = 0x20000 bytes.
+ * The total rx/tx buffer is for ac97 frame to hold all pcm data
+ * is 0x20000 * sizeof(struct ac97_frame) / 4.
+ */
+#ifdef CONFIG_SND_MMAP_SUPPORT
+static const struct snd_pcm_hardware bf5xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
+#else
+static const struct snd_pcm_hardware bf5xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
+#endif
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .period_bytes_min = 32,
+ .period_bytes_max = 0x10000,
+ .periods_min = 1,
+ .periods_max = PAGE_SIZE/32,
+ .buffer_bytes_max = 0x20000, /* 128 kbytes */
+ .fifo_size = 16,
+};
+
+static int bf5xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max
+ * sizeof(struct ac97_frame) / 4;
+
+ snd_pcm_lib_malloc_pages(substream, size);
+
+ return 0;
+}
+
+static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ snd_pcm_lib_free_pages(substream);
+ return 0;
+}
+
+static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+
+ /* An intermediate buffer is introduced for implementing mmap for
+ * SPORT working in TMD mode(include AC97).
+ */
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max
+ * sizeof(struct ac97_frame) / 4;
+ /*clean up intermediate buffer*/
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ memset(sport->tx_dma_buf, 0, size);
+ sport_set_tx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_tx_dma(sport, sport->tx_dma_buf, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ } else {
+ memset(sport->rx_dma_buf, 0, size);
+ sport_set_rx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_rx_dma(sport, sport->rx_dma_buf, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ }
+#else
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sport_set_tx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_tx_dma(sport, runtime->dma_area, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ } else {
+ sport_set_rx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_rx_dma(sport, runtime->dma_area, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ }
+#endif
+ return 0;
+}
+
+static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ int ret = 0;
+
+ pr_debug("%s enter\n", __func__);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_tx_start(sport);
+ else
+ sport_rx_start(sport);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ sport->tx_pos = 0;
+#endif
+ sport_tx_stop(sport);
+ } else {
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ sport->rx_pos = 0;
+#endif
+ sport_rx_stop(sport);
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ unsigned int curr;
+
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ curr = sport->tx_pos;
+ else
+ curr = sport->rx_pos;
+#else
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ curr = sport_curr_offset_tx(sport) / sizeof(struct ac97_frame);
+ else
+ curr = sport_curr_offset_rx(sport) / sizeof(struct ac97_frame);
+
+#endif
+ return curr;
+}
+
+static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
+
+ ret = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto out;
+
+ if (sport_handle != NULL)
+ runtime->private_data = sport_handle;
+ else {
+ pr_err("sport_handle is NULL\n");
+ return -1;
+ }
+ return 0;
+
+ out:
+ return ret;
+}
+
+#ifdef CONFIG_SND_MMAP_SUPPORT
+static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ size_t size = vma->vm_end - vma->vm_start;
+ vma->vm_start = (unsigned long)runtime->dma_area;
+ vma->vm_end = vma->vm_start + size;
+ vma->vm_flags |= VM_SHARED;
+ return 0 ;
+}
+#else
+static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
+ snd_pcm_uframes_t pos,
+ void __user *buf, snd_pcm_uframes_t count)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ pr_debug("%s copy pos:0x%lx count:0x%lx\n",
+ substream->stream ? "Capture" : "Playback", pos, count);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ bf5xx_pcm_to_ac97(
+ (struct ac97_frame *)runtime->dma_area + pos,
+ buf, count);
+ else
+ bf5xx_ac97_to_pcm(
+ (struct ac97_frame *)runtime->dma_area + pos,
+ buf, count);
+ return 0;
+}
+#endif
+
+struct snd_pcm_ops bf5xx_pcm_ac97_ops = {
+ .open = bf5xx_pcm_open,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = bf5xx_pcm_hw_params,
+ .hw_free = bf5xx_pcm_hw_free,
+ .prepare = bf5xx_pcm_prepare,
+ .trigger = bf5xx_pcm_trigger,
+ .pointer = bf5xx_pcm_pointer,
+#ifdef CONFIG_SND_MMAP_SUPPORT
+ .mmap = bf5xx_pcm_mmap,
+#else
+ .copy = bf5xx_pcm_copy,
+#endif
+};
+
+static int bf5xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max
+ * sizeof(struct ac97_frame) / 4;
+
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->area = dma_alloc_coherent(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area) {
+ pr_err("Failed to allocate dma memory\n");
+ pr_err("Please increase uncached DMA memory region\n");
+ return -ENOMEM;
+ }
+ buf->bytes = size;
+
+ pr_debug("%s, area:%p, size:0x%08lx\n", __func__,
+ buf->area, buf->bytes);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_handle->tx_buf = buf->area;
+ else
+ sport_handle->rx_buf = buf->area;
+
+/*
+ * Need to allocate local buffer when enable
+ * MMAP for SPORT working in TMD mode (include AC97).
+ */
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (!sport_handle->tx_dma_buf) {
+ sport_handle->tx_dma_buf = dma_alloc_coherent(NULL, \
+ size, &sport_handle->tx_dma_phy, GFP_KERNEL);
+ if (!sport_handle->tx_dma_buf) {
+ pr_err("Failed to allocate memory for tx dma \
+ buf - Please increase uncached DMA \
+ memory region\n");
+ return -ENOMEM;
+ } else
+ memset(sport_handle->tx_dma_buf, 0, size);
+ } else
+ memset(sport_handle->tx_dma_buf, 0, size);
+ } else {
+ if (!sport_handle->rx_dma_buf) {
+ sport_handle->rx_dma_buf = dma_alloc_coherent(NULL, \
+ size, &sport_handle->rx_dma_phy, GFP_KERNEL);
+ if (!sport_handle->rx_dma_buf) {
+ pr_err("Failed to allocate memory for rx dma \
+ buf - Please increase uncached DMA \
+ memory region\n");
+ return -ENOMEM;
+ } else
+ memset(sport_handle->rx_dma_buf, 0, size);
+ } else
+ memset(sport_handle->rx_dma_buf, 0, size);
+ }
+#endif
+ return 0;
+}
+
+static void bf5xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max *
+ sizeof(struct ac97_frame) / 4;
+#endif
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+ dma_free_coherent(NULL, buf->bytes, buf->area, 0);
+ buf->area = NULL;
+#if defined(CONFIG_SND_MMAP_SUPPORT)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (sport_handle->tx_dma_buf)
+ dma_free_coherent(NULL, size, \
+ sport_handle->tx_dma_buf, 0);
+ sport_handle->tx_dma_buf = NULL;
+ } else {
+
+ if (sport_handle->rx_dma_buf)
+ dma_free_coherent(NULL, size, \
+ sport_handle->rx_dma_buf, 0);
+ sport_handle->rx_dma_buf = NULL;
+ }
+#endif
+ }
+ if (sport_handle)
+ sport_done(sport_handle);
+}
+
+static u64 bf5xx_pcm_dmamask = DMA_32BIT_MASK;
+
+int bf5xx_pcm_ac97_new(struct snd_card *card, struct snd_soc_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ pr_debug("%s enter\n", __func__);
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &bf5xx_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = DMA_32BIT_MASK;
+
+ if (dai->playback.channels_min) {
+ ret = bf5xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = bf5xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+struct snd_soc_platform bf5xx_ac97_soc_platform = {
+ .name = "bf5xx-audio",
+ .pcm_ops = &bf5xx_pcm_ac97_ops,
+ .pcm_new = bf5xx_pcm_ac97_new,
+ .pcm_free = bf5xx_pcm_free_dma_buffers,
+};
+EXPORT_SYMBOL_GPL(bf5xx_ac97_soc_platform);
+
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ADI Blackfin AC97 PCM DMA module");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.h b/sound/soc/blackfin/bf5xx-ac97-pcm.h
new file mode 100644
index 0000000..350125a
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.h
@@ -0,0 +1,29 @@
+/*
+ * linux/sound/arm/bf5xx-ac97-pcm.h -- ALSA PCM interface for the Blackfin
+ *
+ * Copyright 2007 Analog Device Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _BF5XX_AC97_PCM_H
+#define _BF5XX_AC97_PCM_H
+
+struct bf5xx_pcm_dma_params {
+ char *name; /* stream identifier */
+};
+
+struct bf5xx_gpio {
+ u32 sys;
+ u32 rx;
+ u32 tx;
+ u32 clk;
+ u32 frm;
+};
+
+/* platform data */
+extern struct snd_soc_platform bf5xx_ac97_soc_platform;
+
+#endif
diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c
new file mode 100644
index 0000000..c782e31
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ac97.c
@@ -0,0 +1,407 @@
+/*
+ * bf5xx-ac97.c -- AC97 support for the ADI blackfin chip.
+ *
+ * Author: Roy Huang
+ * Created: 11th. June 2007
+ * Copyright: Analog Device Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/wait.h>
+#include <linux/delay.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/irq.h>
+#include <asm/portmux.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+
+#include "bf5xx-sport.h"
+#include "bf5xx-ac97.h"
+
+#if defined(CONFIG_BF54x)
+#define PIN_REQ_SPORT_0 {P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, \
+ P_SPORT0_RFS, P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0}
+
+#define PIN_REQ_SPORT_1 {P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, \
+ P_SPORT1_RFS, P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0}
+
+#define PIN_REQ_SPORT_2 {P_SPORT2_TFS, P_SPORT2_DTPRI, P_SPORT2_TSCLK, \
+ P_SPORT2_RFS, P_SPORT2_DRPRI, P_SPORT2_RSCLK, 0}
+
+#define PIN_REQ_SPORT_3 {P_SPORT3_TFS, P_SPORT3_DTPRI, P_SPORT3_TSCLK, \
+ P_SPORT3_RFS, P_SPORT3_DRPRI, P_SPORT3_RSCLK, 0}
+#else
+#define PIN_REQ_SPORT_0 {P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS, \
+ P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0}
+
+#define PIN_REQ_SPORT_1 {P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, \
+ P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0}
+#endif
+
+static int *cmd_count;
+static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;
+
+#if defined(CONFIG_BF54x)
+static struct sport_param sport_params[4] = {
+ {
+ .dma_rx_chan = CH_SPORT0_RX,
+ .dma_tx_chan = CH_SPORT0_TX,
+ .err_irq = IRQ_SPORT0_ERR,
+ .regs = (struct sport_register *)SPORT0_TCR1,
+ },
+ {
+ .dma_rx_chan = CH_SPORT1_RX,
+ .dma_tx_chan = CH_SPORT1_TX,
+ .err_irq = IRQ_SPORT1_ERR,
+ .regs = (struct sport_register *)SPORT1_TCR1,
+ },
+ {
+ .dma_rx_chan = CH_SPORT2_RX,
+ .dma_tx_chan = CH_SPORT2_TX,
+ .err_irq = IRQ_SPORT2_ERR,
+ .regs = (struct sport_register *)SPORT2_TCR1,
+ },
+ {
+ .dma_rx_chan = CH_SPORT3_RX,
+ .dma_tx_chan = CH_SPORT3_TX,
+ .err_irq = IRQ_SPORT3_ERR,
+ .regs = (struct sport_register *)SPORT3_TCR1,
+ }
+};
+#else
+static struct sport_param sport_params[2] = {
+ {
+ .dma_rx_chan = CH_SPORT0_RX,
+ .dma_tx_chan = CH_SPORT0_TX,
+ .err_irq = IRQ_SPORT0_ERROR,
+ .regs = (struct sport_register *)SPORT0_TCR1,
+ },
+ {
+ .dma_rx_chan = CH_SPORT1_RX,
+ .dma_tx_chan = CH_SPORT1_TX,
+ .err_irq = IRQ_SPORT1_ERROR,
+ .regs = (struct sport_register *)SPORT1_TCR1,
+ }
+};
+#endif
+
+void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u32 *src, \
+ size_t count)
+{
+ while (count--) {
+ dst->ac97_tag = TAG_VALID | TAG_PCM;
+ (dst++)->ac97_pcm = *src++;
+ }
+}
+EXPORT_SYMBOL(bf5xx_pcm_to_ac97);
+
+void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u32 *dst, \
+ size_t count)
+{
+ while (count--)
+ *(dst++) = (src++)->ac97_pcm;
+}
+EXPORT_SYMBOL(bf5xx_ac97_to_pcm);
+
+static unsigned int sport_tx_curr_frag(struct sport_device *sport)
+{
+ return sport->tx_curr_frag = sport_curr_offset_tx(sport) / \
+ sport->tx_fragsize;
+}
+
+static void enqueue_cmd(struct snd_ac97 *ac97, __u16 addr, __u16 data)
+{
+ struct sport_device *sport = sport_handle;
+ int nextfrag = sport_tx_curr_frag(sport);
+ struct ac97_frame *nextwrite;
+
+ sport_incfrag(sport, &nextfrag, 1);
+ sport_incfrag(sport, &nextfrag, 1);
+
+ nextwrite = (struct ac97_frame *)(sport->tx_buf + \
+ nextfrag * sport->tx_fragsize);
+ pr_debug("sport->tx_buf:%p, nextfrag:0x%x nextwrite:%p, cmd_count:%d\n",
+ sport->tx_buf, nextfrag, nextwrite, cmd_count[nextfrag]);
+ nextwrite[cmd_count[nextfrag]].ac97_tag |= TAG_CMD;
+ nextwrite[cmd_count[nextfrag]].ac97_addr = addr;
+ nextwrite[cmd_count[nextfrag]].ac97_data = data;
+ ++cmd_count[nextfrag];
+ pr_debug("ac97_sport: Inserting %02x/%04x into fragment %d\n",
+ addr >> 8, data, nextfrag);
+}
+
+static unsigned short bf5xx_ac97_read(struct snd_ac97 *ac97,
+ unsigned short reg)
+{
+ struct ac97_frame out_frame[2], in_frame[2];
+
+ pr_debug("%s enter 0x%x\n", __func__, reg);
+
+ /* When dma descriptor is enabled, the register should not be read */
+ if (sport_handle->tx_run || sport_handle->rx_run) {
+ pr_err("Could you send a mail to cliff.cai@analog.com "
+ "to report this?\n");
+ return -EFAULT;
+ }
+
+ memset(&out_frame, 0, 2 * sizeof(struct ac97_frame));
+ memset(&in_frame, 0, 2 * sizeof(struct ac97_frame));
+ out_frame[0].ac97_tag = TAG_VALID | TAG_CMD;
+ out_frame[0].ac97_addr = ((reg << 8) | 0x8000);
+ sport_send_and_recv(sport_handle, (unsigned char *)&out_frame,
+ (unsigned char *)&in_frame,
+ 2 * sizeof(struct ac97_frame));
+ return in_frame[1].ac97_data;
+}
+
+void bf5xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
+ unsigned short val)
+{
+ pr_debug("%s enter 0x%x:0x%04x\n", __func__, reg, val);
+
+ if (sport_handle->tx_run) {
+ enqueue_cmd(ac97, (reg << 8), val); /* write */
+ enqueue_cmd(ac97, (reg << 8) | 0x8000, 0); /* read back */
+ } else {
+ struct ac97_frame frame;
+ memset(&frame, 0, sizeof(struct ac97_frame));
+ frame.ac97_tag = TAG_VALID | TAG_CMD;
+ frame.ac97_addr = (reg << 8);
+ frame.ac97_data = val;
+ sport_send_and_recv(sport_handle, (unsigned char *)&frame, \
+ NULL, sizeof(struct ac97_frame));
+ }
+}
+
+static void bf5xx_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF561) || \
+ (defined(BF537_FAMILY) && (CONFIG_SND_BF5XX_SPORT_NUM == 1))
+
+#define CONCAT(a, b, c) a ## b ## c
+#define BFIN_SPORT_RFS(x) CONCAT(P_SPORT, x, _RFS)
+
+ u16 per = BFIN_SPORT_RFS(CONFIG_SND_BF5XX_SPORT_NUM);
+ u16 gpio = P_IDENT(BFIN_SPORT_RFS(CONFIG_SND_BF5XX_SPORT_NUM));
+
+ pr_debug("%s enter\n", __func__);
+
+ peripheral_free(per);
+ gpio_request(gpio, "bf5xx-ac97");
+ gpio_direction_output(gpio, 1);
+ udelay(2);
+ gpio_set_value(gpio, 0);
+ udelay(1);
+ gpio_free(gpio);
+ peripheral_request(per, "soc-audio");
+#else
+ pr_info("%s: Not implemented\n", __func__);
+#endif
+}
+
+static void bf5xx_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ pr_debug("%s enter\n", __func__);
+
+ /* It is specified for bf548-ezkit */
+ gpio_set_value(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 0);
+ /* Keep reset pin low for 1 ms */
+ mdelay(1);
+ gpio_set_value(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 1);
+ /* Wait for bit clock recover */
+ mdelay(1);
+#else
+ pr_info("%s: Not implemented\n", __func__);
+#endif
+}
+
+struct snd_ac97_bus_ops soc_ac97_ops = {
+ .read = bf5xx_ac97_read,
+ .write = bf5xx_ac97_write,
+ .warm_reset = bf5xx_ac97_warm_reset,
+ .reset = bf5xx_ac97_cold_reset,
+};
+EXPORT_SYMBOL_GPL(soc_ac97_ops);
+
+#ifdef CONFIG_PM
+static int bf5xx_ac97_suspend(struct platform_device *pdev,
+ struct snd_soc_dai *dai)
+{
+ struct sport_device *sport =
+ (struct sport_device *)dai->private_data;
+
+ pr_debug("%s : sport %d\n", __func__, dai->id);
+ if (!dai->active)
+ return 0;
+ if (dai->capture.active)
+ sport_rx_stop(sport);
+ if (dai->playback.active)
+ sport_tx_stop(sport);
+ return 0;
+}
+
+static int bf5xx_ac97_resume(struct platform_device *pdev,
+ struct snd_soc_dai *dai)
+{
+ int ret;
+ struct sport_device *sport =
+ (struct sport_device *)dai->private_data;
+
+ pr_debug("%s : sport %d\n", __func__, dai->id);
+ if (!dai->active)
+ return 0;
+
+ ret = sport_set_multichannel(sport_handle, 16, 0x1F, 1);
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_rx(sport_handle, IRFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_tx(sport_handle, ITFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ if (dai->capture.active)
+ sport_rx_start(sport);
+ if (dai->playback.active)
+ sport_tx_start(sport);
+ return 0;
+}
+
+#else
+#define bf5xx_ac97_suspend NULL
+#define bf5xx_ac97_resume NULL
+#endif
+
+static int bf5xx_ac97_probe(struct platform_device *pdev,
+ struct snd_soc_dai *dai)
+{
+ int ret;
+#if defined(CONFIG_BF54x)
+ u16 sport_req[][7] = {PIN_REQ_SPORT_0, PIN_REQ_SPORT_1,
+ PIN_REQ_SPORT_2, PIN_REQ_SPORT_3};
+#else
+ u16 sport_req[][7] = {PIN_REQ_SPORT_0, PIN_REQ_SPORT_1};
+#endif
+ cmd_count = (int *)get_zeroed_page(GFP_KERNEL);
+ if (cmd_count == NULL)
+ return -ENOMEM;
+
+ if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {
+ pr_err("Requesting Peripherals failed\n");
+ return -EFAULT;
+ }
+
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ /* Request PB3 as reset pin */
+ if (gpio_request(CONFIG_SND_BF5XX_RESET_GPIO_NUM, "SND_AD198x RESET")) {
+ pr_err("Failed to request GPIO_%d for reset\n",
+ CONFIG_SND_BF5XX_RESET_GPIO_NUM);
+ peripheral_free_list(&sport_req[sport_num][0]);
+ return -1;
+ }
+ gpio_direction_output(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 1);
+#endif
+ sport_handle = sport_init(&sport_params[sport_num], 2, \
+ sizeof(struct ac97_frame), NULL);
+ if (!sport_handle) {
+ peripheral_free_list(&sport_req[sport_num][0]);
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
+#endif
+ return -ENODEV;
+ }
+ /*SPORT works in TDM mode to simulate AC97 transfers*/
+ ret = sport_set_multichannel(sport_handle, 16, 0x1F, 1);
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ kfree(sport_handle);
+ peripheral_free_list(&sport_req[sport_num][0]);
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
+#endif
+ return -EBUSY;
+ }
+
+ ret = sport_config_rx(sport_handle, IRFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ kfree(sport_handle);
+ peripheral_free_list(&sport_req[sport_num][0]);
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
+#endif
+ return -EBUSY;
+ }
+
+ ret = sport_config_tx(sport_handle, ITFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ kfree(sport_handle);
+ peripheral_free_list(&sport_req[sport_num][0]);
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
+#endif
+ return -EBUSY;
+ }
+ return 0;
+}
+
+static void bf5xx_ac97_remove(struct platform_device *pdev,
+ struct snd_soc_dai *dai)
+{
+ free_page((unsigned long)cmd_count);
+ cmd_count = NULL;
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
+#endif
+}
+
+struct snd_soc_dai bfin_ac97_dai = {
+ .name = "bf5xx-ac97",
+ .id = 0,
+ .type = SND_SOC_DAI_AC97,
+ .probe = bf5xx_ac97_probe,
+ .remove = bf5xx_ac97_remove,
+ .suspend = bf5xx_ac97_suspend,
+ .resume = bf5xx_ac97_resume,
+ .playback = {
+ .stream_name = "AC97 Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+ .capture = {
+ .stream_name = "AC97 Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+};
+EXPORT_SYMBOL_GPL(bfin_ac97_dai);
+
+MODULE_AUTHOR("Roy Huang");
+MODULE_DESCRIPTION("AC97 driver for ADI Blackfin");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-ac97.h b/sound/soc/blackfin/bf5xx-ac97.h
new file mode 100644
index 0000000..3f77cc5
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ac97.h
@@ -0,0 +1,36 @@
+/*
+ * linux/sound/arm/bf5xx-ac97.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _BF5XX_AC97_H
+#define _BF5XX_AC97_H
+
+extern struct snd_ac97_bus_ops bf5xx_ac97_ops;
+extern struct snd_ac97 *ac97;
+/* Frame format in memory, only support stereo currently */
+struct ac97_frame {
+ u16 ac97_tag; /* slot 0 */
+ u16 ac97_addr; /* slot 1 */
+ u16 ac97_data; /* slot 2 */
+ u32 ac97_pcm; /* slot 3 and 4: left and right pcm data */
+} __attribute__ ((packed));
+
+#define TAG_VALID 0x8000
+#define TAG_CMD 0x6000
+#define TAG_PCM_LEFT 0x1000
+#define TAG_PCM_RIGHT 0x0800
+#define TAG_PCM (TAG_PCM_LEFT | TAG_PCM_RIGHT)
+
+extern struct snd_soc_dai bfin_ac97_dai;
+
+void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u32 *src, \
+ size_t count);
+
+void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u32 *dst, \
+ size_t count);
+
+#endif
diff --git a/sound/soc/blackfin/bf5xx-ad1980.c b/sound/soc/blackfin/bf5xx-ad1980.c
new file mode 100644
index 0000000..124425d
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ad1980.c
@@ -0,0 +1,113 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ad1980.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: Board driver for AD1980/1 audio codec
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <asm/dma.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <linux/gpio.h>
+#include <asm/portmux.h>
+
+#include "../codecs/ad1980.h"
+#include "bf5xx-sport.h"
+#include "bf5xx-ac97-pcm.h"
+#include "bf5xx-ac97.h"
+
+static struct snd_soc_machine bf5xx_board;
+
+static int bf5xx_board_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ pr_debug("%s enter\n", __func__);
+ cpu_dai->private_data = sport_handle;
+ return 0;
+}
+
+static struct snd_soc_ops bf5xx_board_ops = {
+ .startup = bf5xx_board_startup,
+};
+
+static struct snd_soc_dai_link bf5xx_board_dai = {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &bfin_ac97_dai,
+ .codec_dai = &ad1980_dai,
+ .ops = &bf5xx_board_ops,
+};
+
+static struct snd_soc_machine bf5xx_board = {
+ .name = "bf5xx-board",
+ .dai_link = &bf5xx_board_dai,
+ .num_links = 1,
+};
+
+static struct snd_soc_device bf5xx_board_snd_devdata = {
+ .machine = &bf5xx_board,
+ .platform = &bf5xx_ac97_soc_platform,
+ .codec_dev = &soc_codec_dev_ad1980,
+};
+
+static struct platform_device *bf5xx_board_snd_device;
+
+static int __init bf5xx_board_init(void)
+{
+ int ret;
+
+ bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!bf5xx_board_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board_snd_devdata);
+ bf5xx_board_snd_devdata.dev = &bf5xx_board_snd_device->dev;
+ ret = platform_device_add(bf5xx_board_snd_device);
+
+ if (ret)
+ platform_device_put(bf5xx_board_snd_device);
+
+ return ret;
+}
+
+static void __exit bf5xx_board_exit(void)
+{
+ platform_device_unregister(bf5xx_board_snd_device);
+}
+
+module_init(bf5xx_board_init);
+module_exit(bf5xx_board_exit);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
new file mode 100644
index 0000000..61fccf9
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c
@@ -0,0 +1,288 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-i2s-pcm.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: DMA driver for i2s codec
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/dma.h>
+
+#include "bf5xx-i2s-pcm.h"
+#include "bf5xx-i2s.h"
+#include "bf5xx-sport.h"
+
+static void bf5xx_dma_irq(void *data)
+{
+ struct snd_pcm_substream *pcm = data;
+ snd_pcm_period_elapsed(pcm);
+}
+
+static const struct snd_pcm_hardware bf5xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .period_bytes_min = 32,
+ .period_bytes_max = 0x10000,
+ .periods_min = 1,
+ .periods_max = PAGE_SIZE/32,
+ .buffer_bytes_max = 0x20000, /* 128 kbytes */
+ .fifo_size = 16,
+};
+
+static int bf5xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max;
+ snd_pcm_lib_malloc_pages(substream, size);
+
+ return 0;
+}
+
+static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ snd_pcm_lib_free_pages(substream);
+
+ return 0;
+}
+
+static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ int period_bytes = frames_to_bytes(runtime, runtime->period_size);
+
+ pr_debug("%s enter\n", __func__);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sport_set_tx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_tx_dma(sport, runtime->dma_area,
+ runtime->periods, period_bytes);
+ } else {
+ sport_set_rx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_rx_dma(sport, runtime->dma_area,
+ runtime->periods, period_bytes);
+ }
+
+ return 0;
+}
+
+static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ int ret = 0;
+
+ pr_debug("%s enter\n", __func__);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_tx_start(sport);
+ else
+ sport_rx_start(sport);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_tx_stop(sport);
+ else
+ sport_rx_stop(sport);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ unsigned int diff;
+ snd_pcm_uframes_t frames;
+ pr_debug("%s enter\n", __func__);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ diff = sport_curr_offset_tx(sport);
+ frames = bytes_to_frames(substream->runtime, diff);
+ } else {
+ diff = sport_curr_offset_rx(sport);
+ frames = bytes_to_frames(substream->runtime, diff);
+ }
+ return frames;
+}
+
+static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
+
+ ret = snd_pcm_hw_constraint_integer(runtime, \
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto out;
+
+ if (sport_handle != NULL)
+ runtime->private_data = sport_handle;
+ else {
+ pr_err("sport_handle is NULL\n");
+ return -1;
+ }
+ return 0;
+
+ out:
+ return ret;
+}
+
+static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ size_t size = vma->vm_end - vma->vm_start;
+ vma->vm_start = (unsigned long)runtime->dma_area;
+ vma->vm_end = vma->vm_start + size;
+ vma->vm_flags |= VM_SHARED;
+
+ return 0 ;
+}
+
+struct snd_pcm_ops bf5xx_pcm_i2s_ops = {
+ .open = bf5xx_pcm_open,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = bf5xx_pcm_hw_params,
+ .hw_free = bf5xx_pcm_hw_free,
+ .prepare = bf5xx_pcm_prepare,
+ .trigger = bf5xx_pcm_trigger,
+ .pointer = bf5xx_pcm_pointer,
+ .mmap = bf5xx_pcm_mmap,
+};
+
+static int bf5xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max;
+
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->area = dma_alloc_coherent(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area) {
+ pr_err("Failed to allocate dma memory \
+ Please increase uncached DMA memory region\n");
+ return -ENOMEM;
+ }
+ buf->bytes = size;
+
+ pr_debug("%s, area:%p, size:0x%08lx\n", __func__,
+ buf->area, buf->bytes);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_handle->tx_buf = buf->area;
+ else
+ sport_handle->rx_buf = buf->area;
+
+ return 0;
+}
+
+static void bf5xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+ dma_free_coherent(NULL, buf->bytes, buf->area, 0);
+ buf->area = NULL;
+ }
+ if (sport_handle)
+ sport_done(sport_handle);
+}
+
+static u64 bf5xx_pcm_dmamask = DMA_32BIT_MASK;
+
+int bf5xx_pcm_i2s_new(struct snd_card *card, struct snd_soc_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ pr_debug("%s enter\n", __func__);
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &bf5xx_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = DMA_32BIT_MASK;
+
+ if (dai->playback.channels_min) {
+ ret = bf5xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = bf5xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+struct snd_soc_platform bf5xx_i2s_soc_platform = {
+ .name = "bf5xx-audio",
+ .pcm_ops = &bf5xx_pcm_i2s_ops,
+ .pcm_new = bf5xx_pcm_i2s_new,
+ .pcm_free = bf5xx_pcm_free_dma_buffers,
+};
+EXPORT_SYMBOL_GPL(bf5xx_i2s_soc_platform);
+
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ADI Blackfin I2S PCM DMA module");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.h b/sound/soc/blackfin/bf5xx-i2s-pcm.h
new file mode 100644
index 0000000..4d4609a
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.h
@@ -0,0 +1,29 @@
+/*
+ * linux/sound/arm/bf5xx-i2s-pcm.h -- ALSA PCM interface for the Blackfin
+ *
+ * Copyright 2007 Analog Device Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _BF5XX_I2S_PCM_H
+#define _BF5XX_I2S_PCM_H
+
+struct bf5xx_pcm_dma_params {
+ char *name; /* stream identifier */
+};
+
+struct bf5xx_gpio {
+ u32 sys;
+ u32 rx;
+ u32 tx;
+ u32 clk;
+ u32 frm;
+};
+
+/* platform data */
+extern struct snd_soc_platform bf5xx_i2s_soc_platform;
+
+#endif
diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c
new file mode 100644
index 0000000..43a4092
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-i2s.c
@@ -0,0 +1,292 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-i2s.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: Blackfin I2S CPU DAI driver
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/irq.h>
+#include <asm/portmux.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+
+#include "bf5xx-sport.h"
+#include "bf5xx-i2s.h"
+
+struct bf5xx_i2s_port {
+ u16 tcr1;
+ u16 rcr1;
+ u16 tcr2;
+ u16 rcr2;
+ int counter;
+};
+
+static struct bf5xx_i2s_port bf5xx_i2s;
+static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;
+
+static struct sport_param sport_params[2] = {
+ {
+ .dma_rx_chan = CH_SPORT0_RX,
+ .dma_tx_chan = CH_SPORT0_TX,
+ .err_irq = IRQ_SPORT0_ERROR,
+ .regs = (struct sport_register *)SPORT0_TCR1,
+ },
+ {
+ .dma_rx_chan = CH_SPORT1_RX,
+ .dma_tx_chan = CH_SPORT1_TX,
+ .err_irq = IRQ_SPORT1_ERROR,
+ .regs = (struct sport_register *)SPORT1_TCR1,
+ }
+};
+
+static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
+ unsigned int fmt)
+{
+ int ret = 0;
+
+ /* interface format:support I2S,slave mode */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ ret = -EINVAL;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ ret = -EINVAL;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ ret = -EINVAL;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ ret = -EINVAL;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int bf5xx_i2s_startup(struct snd_pcm_substream *substream)
+{
+ pr_debug("%s enter\n", __func__);
+
+ /*this counter is used for counting how many pcm streams are opened*/
+ bf5xx_i2s.counter++;
+ return 0;
+}
+
+static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ int ret = 0;
+
+ bf5xx_i2s.tcr2 &= ~0x1f;
+ bf5xx_i2s.rcr2 &= ~0x1f;
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ bf5xx_i2s.tcr2 |= 15;
+ bf5xx_i2s.rcr2 |= 15;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ bf5xx_i2s.tcr2 |= 23;
+ bf5xx_i2s.rcr2 |= 23;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ bf5xx_i2s.tcr2 |= 31;
+ bf5xx_i2s.rcr2 |= 31;
+ break;
+ }
+
+ if (bf5xx_i2s.counter == 1) {
+ /*
+ * TX and RX are not independent,they are enabled at the
+ * same time, even if only one side is running. So, we
+ * need to configure both of them at the time when the first
+ * stream is opened.
+ *
+ * CPU DAI format:I2S, slave mode.
+ */
+ ret = sport_config_rx(sport_handle, RFSR | RCKFE,
+ RSFSE|bf5xx_i2s.rcr2, 0, 0);
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_tx(sport_handle, TFSR | TCKFE,
+ TSFSE|bf5xx_i2s.tcr2, 0, 0);
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+ }
+
+ return 0;
+}
+
+static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream)
+{
+ pr_debug("%s enter\n", __func__);
+ bf5xx_i2s.counter--;
+}
+
+static int bf5xx_i2s_probe(struct platform_device *pdev,
+ struct snd_soc_dai *dai)
+{
+ u16 sport_req[][7] = {
+ { P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+ P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0},
+ { P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+ P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0},
+ };
+
+ pr_debug("%s enter\n", __func__);
+ if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {
+ pr_err("Requesting Peripherals failed\n");
+ return -EFAULT;
+ }
+
+ /* request DMA for SPORT */
+ sport_handle = sport_init(&sport_params[sport_num], 4, \
+ 2 * sizeof(u32), NULL);
+ if (!sport_handle) {
+ peripheral_free_list(&sport_req[sport_num][0]);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int bf5xx_i2s_suspend(struct platform_device *dev,
+ struct snd_soc_dai *dai)
+{
+ struct sport_device *sport =
+ (struct sport_device *)dai->private_data;
+
+ pr_debug("%s : sport %d\n", __func__, dai->id);
+ if (!dai->active)
+ return 0;
+ if (dai->capture.active)
+ sport_rx_stop(sport);
+ if (dai->playback.active)
+ sport_tx_stop(sport);
+ return 0;
+}
+
+static int bf5xx_i2s_resume(struct platform_device *pdev,
+ struct snd_soc_dai *dai)
+{
+ int ret;
+ struct sport_device *sport =
+ (struct sport_device *)dai->private_data;
+
+ pr_debug("%s : sport %d\n", __func__, dai->id);
+ if (!dai->active)
+ return 0;
+
+ ret = sport_config_rx(sport_handle, RFSR | RCKFE, RSFSE|0x1f, 0, 0);
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_tx(sport_handle, TFSR | TCKFE, TSFSE|0x1f, 0, 0);
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ if (dai->capture.active)
+ sport_rx_start(sport);
+ if (dai->playback.active)
+ sport_tx_start(sport);
+ return 0;
+}
+
+#else
+#define bf5xx_i2s_suspend NULL
+#define bf5xx_i2s_resume NULL
+#endif
+
+#define BF5XX_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
+ SNDRV_PCM_RATE_96000)
+
+#define BF5XX_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+struct snd_soc_dai bf5xx_i2s_dai = {
+ .name = "bf5xx-i2s",
+ .id = 0,
+ .type = SND_SOC_DAI_I2S,
+ .probe = bf5xx_i2s_probe,
+ .suspend = bf5xx_i2s_suspend,
+ .resume = bf5xx_i2s_resume,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = BF5XX_I2S_RATES,
+ .formats = BF5XX_I2S_FORMATS,},
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = BF5XX_I2S_RATES,
+ .formats = BF5XX_I2S_FORMATS,},
+ .ops = {
+ .startup = bf5xx_i2s_startup,
+ .shutdown = bf5xx_i2s_shutdown,
+ .hw_params = bf5xx_i2s_hw_params,},
+ .dai_ops = {
+ .set_fmt = bf5xx_i2s_set_dai_fmt,
+ },
+};
+EXPORT_SYMBOL_GPL(bf5xx_i2s_dai);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("I2S driver for ADI Blackfin");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/blackfin/bf5xx-i2s.h b/sound/soc/blackfin/bf5xx-i2s.h
new file mode 100644
index 0000000..7107d1a
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-i2s.h
@@ -0,0 +1,14 @@
+/*
+ * linux/sound/arm/bf5xx-i2s.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _BF5XX_I2S_H
+#define _BF5XX_I2S_H
+
+extern struct snd_soc_dai bf5xx_i2s_dai;
+
+#endif
diff --git a/sound/soc/blackfin/bf5xx-sport.c b/sound/soc/blackfin/bf5xx-sport.c
new file mode 100644
index 0000000..3b99e48
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-sport.c
@@ -0,0 +1,1032 @@
+/*
+ * File: bf5xx_sport.c
+ * Based on:
+ * Author: Roy Huang <roy.huang@analog.com>
+ *
+ * Created: Tue Sep 21 10:52:42 CEST 2004
+ * Description:
+ * Blackfin SPORT Driver
+ *
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+#include <linux/bug.h>
+#include <asm/portmux.h>
+#include <asm/dma.h>
+#include <asm/blackfin.h>
+#include <asm/cacheflush.h>
+
+#include "bf5xx-sport.h"
+/* delay between frame sync pulse and first data bit in multichannel mode */
+#define FRAME_DELAY (1<<12)
+
+struct sport_device *sport_handle;
+EXPORT_SYMBOL(sport_handle);
+/* note: multichannel is in units of 8 channels,
+ * tdm_count is # channels NOT / 8 ! */
+int sport_set_multichannel(struct sport_device *sport,
+ int tdm_count, u32 mask, int packed)
+{
+ pr_debug("%s tdm_count=%d mask:0x%08x packed=%d\n", __func__,
+ tdm_count, mask, packed);
+
+ if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
+ return -EBUSY;
+
+ if (tdm_count & 0x7)
+ return -EINVAL;
+
+ if (tdm_count > 32)
+ return -EINVAL; /* Only support less than 32 channels now */
+
+ if (tdm_count) {
+ sport->regs->mcmc1 = ((tdm_count>>3)-1) << 12;
+ sport->regs->mcmc2 = FRAME_DELAY | MCMEN | \
+ (packed ? (MCDTXPE|MCDRXPE) : 0);
+
+ sport->regs->mtcs0 = mask;
+ sport->regs->mrcs0 = mask;
+ sport->regs->mtcs1 = 0;
+ sport->regs->mrcs1 = 0;
+ sport->regs->mtcs2 = 0;
+ sport->regs->mrcs2 = 0;
+ sport->regs->mtcs3 = 0;
+ sport->regs->mrcs3 = 0;
+ } else {
+ sport->regs->mcmc1 = 0;
+ sport->regs->mcmc2 = 0;
+
+ sport->regs->mtcs0 = 0;
+ sport->regs->mrcs0 = 0;
+ }
+
+ sport->regs->mtcs1 = 0; sport->regs->mtcs2 = 0; sport->regs->mtcs3 = 0;
+ sport->regs->mrcs1 = 0; sport->regs->mrcs2 = 0; sport->regs->mrcs3 = 0;
+
+ SSYNC();
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_multichannel);
+
+int sport_config_rx(struct sport_device *sport, unsigned int rcr1,
+ unsigned int rcr2, unsigned int clkdiv, unsigned int fsdiv)
+{
+ if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
+ return -EBUSY;
+
+ sport->regs->rcr1 = rcr1;
+ sport->regs->rcr2 = rcr2;
+ sport->regs->rclkdiv = clkdiv;
+ sport->regs->rfsdiv = fsdiv;
+
+ SSYNC();
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_rx);
+
+int sport_config_tx(struct sport_device *sport, unsigned int tcr1,
+ unsigned int tcr2, unsigned int clkdiv, unsigned int fsdiv)
+{
+ if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
+ return -EBUSY;
+
+ sport->regs->tcr1 = tcr1;
+ sport->regs->tcr2 = tcr2;
+ sport->regs->tclkdiv = clkdiv;
+ sport->regs->tfsdiv = fsdiv;
+
+ SSYNC();
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_tx);
+
+static void setup_desc(struct dmasg *desc, void *buf, int fragcount,
+ size_t fragsize, unsigned int cfg,
+ unsigned int x_count, unsigned int ycount, size_t wdsize)
+{
+
+ int i;
+
+ for (i = 0; i < fragcount; ++i) {
+ desc[i].next_desc_addr = (unsigned long)&(desc[i + 1]);
+ desc[i].start_addr = (unsigned long)buf + i*fragsize;
+ desc[i].cfg = cfg;
+ desc[i].x_count = x_count;
+ desc[i].x_modify = wdsize;
+ desc[i].y_count = ycount;
+ desc[i].y_modify = wdsize;
+ }
+
+ /* make circular */
+ desc[fragcount-1].next_desc_addr = (unsigned long)desc;
+
+ pr_debug("setup desc: desc0=%p, next0=%lx, desc1=%p,"
+ "next1=%lx\nx_count=%x,y_count=%x,addr=0x%lx,cfs=0x%x\n",
+ &(desc[0]), desc[0].next_desc_addr,
+ &(desc[1]), desc[1].next_desc_addr,
+ desc[0].x_count, desc[0].y_count,
+ desc[0].start_addr, desc[0].cfg);
+}
+
+static int sport_start(struct sport_device *sport)
+{
+ enable_dma(sport->dma_rx_chan);
+ enable_dma(sport->dma_tx_chan);
+ sport->regs->rcr1 |= RSPEN;
+ sport->regs->tcr1 |= TSPEN;
+ SSYNC();
+
+ return 0;
+}
+
+static int sport_stop(struct sport_device *sport)
+{
+ sport->regs->tcr1 &= ~TSPEN;
+ sport->regs->rcr1 &= ~RSPEN;
+ SSYNC();
+
+ disable_dma(sport->dma_rx_chan);
+ disable_dma(sport->dma_tx_chan);
+ return 0;
+}
+
+static inline int sport_hook_rx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc, temp_desc;
+ unsigned long flags;
+
+ BUG_ON(sport->dummy_rx_desc == NULL);
+ BUG_ON(sport->curr_rx_desc == sport->dummy_rx_desc);
+
+ /* Maybe the dummy buffer descriptor ring is damaged */
+ sport->dummy_rx_desc->next_desc_addr = \
+ (unsigned long)(sport->dummy_rx_desc+1);
+
+ local_irq_save(flags);
+ desc = (struct dmasg *)get_dma_next_desc_ptr(sport->dma_rx_chan);
+ /* Copy the descriptor which will be damaged to backup */
+ temp_desc = *desc;
+ desc->x_count = 0xa;
+ desc->y_count = 0;
+ desc->next_desc_addr = (unsigned long)(sport->dummy_rx_desc);
+ local_irq_restore(flags);
+ /* Waiting for dummy buffer descriptor is already hooked*/
+ while ((get_dma_curr_desc_ptr(sport->dma_rx_chan) -
+ sizeof(struct dmasg)) !=
+ (unsigned long)sport->dummy_rx_desc)
+ ;
+ sport->curr_rx_desc = sport->dummy_rx_desc;
+ /* Restore the damaged descriptor */
+ *desc = temp_desc;
+
+ return 0;
+}
+
+static inline int sport_rx_dma_start(struct sport_device *sport, int dummy)
+{
+ if (dummy) {
+ sport->dummy_rx_desc->next_desc_addr = \
+ (unsigned long) sport->dummy_rx_desc;
+ sport->curr_rx_desc = sport->dummy_rx_desc;
+ } else
+ sport->curr_rx_desc = sport->dma_rx_desc;
+
+ set_dma_next_desc_addr(sport->dma_rx_chan, \
+ (unsigned long)(sport->curr_rx_desc));
+ set_dma_x_count(sport->dma_rx_chan, 0);
+ set_dma_x_modify(sport->dma_rx_chan, 0);
+ set_dma_config(sport->dma_rx_chan, (DMAFLOW_LARGE | NDSIZE_9 | \
+ WDSIZE_32 | WNR));
+ set_dma_curr_addr(sport->dma_rx_chan, sport->curr_rx_desc->start_addr);
+ SSYNC();
+
+ return 0;
+}
+
+static inline int sport_tx_dma_start(struct sport_device *sport, int dummy)
+{
+ if (dummy) {
+ sport->dummy_tx_desc->next_desc_addr = \
+ (unsigned long) sport->dummy_tx_desc;
+ sport->curr_tx_desc = sport->dummy_tx_desc;
+ } else
+ sport->curr_tx_desc = sport->dma_tx_desc;
+
+ set_dma_next_desc_addr(sport->dma_tx_chan, \
+ (unsigned long)(sport->curr_tx_desc));
+ set_dma_x_count(sport->dma_tx_chan, 0);
+ set_dma_x_modify(sport->dma_tx_chan, 0);
+ set_dma_config(sport->dma_tx_chan,
+ (DMAFLOW_LARGE | NDSIZE_9 | WDSIZE_32));
+ set_dma_curr_addr(sport->dma_tx_chan, sport->curr_tx_desc->start_addr);
+ SSYNC();
+
+ return 0;
+}
+
+int sport_rx_start(struct sport_device *sport)
+{
+ unsigned long flags;
+ pr_debug("%s enter\n", __func__);
+ if (sport->rx_run)
+ return -EBUSY;
+ if (sport->tx_run) {
+ /* tx is running, rx is not running */
+ BUG_ON(sport->dma_rx_desc == NULL);
+ BUG_ON(sport->curr_rx_desc != sport->dummy_rx_desc);
+ local_irq_save(flags);
+ while ((get_dma_curr_desc_ptr(sport->dma_rx_chan) -
+ sizeof(struct dmasg)) !=
+ (unsigned long)sport->dummy_rx_desc)
+ ;
+ sport->dummy_rx_desc->next_desc_addr =
+ (unsigned long)(sport->dma_rx_desc);
+ local_irq_restore(flags);
+ sport->curr_rx_desc = sport->dma_rx_desc;
+ } else {
+ sport_tx_dma_start(sport, 1);
+ sport_rx_dma_start(sport, 0);
+ sport_start(sport);
+ }
+
+ sport->rx_run = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_rx_start);
+
+int sport_rx_stop(struct sport_device *sport)
+{
+ pr_debug("%s enter\n", __func__);
+
+ if (!sport->rx_run)
+ return 0;
+ if (sport->tx_run) {
+ /* TX dma is still running, hook the dummy buffer */
+ sport_hook_rx_dummy(sport);
+ } else {
+ /* Both rx and tx dma will be stopped */
+ sport_stop(sport);
+ sport->curr_rx_desc = NULL;
+ sport->curr_tx_desc = NULL;
+ }
+
+ sport->rx_run = 0;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_rx_stop);
+
+static inline int sport_hook_tx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc, temp_desc;
+ unsigned long flags;
+
+ BUG_ON(sport->dummy_tx_desc == NULL);
+ BUG_ON(sport->curr_tx_desc == sport->dummy_tx_desc);
+
+ sport->dummy_tx_desc->next_desc_addr = \
+ (unsigned long)(sport->dummy_tx_desc+1);
+
+ /* Shorten the time on last normal descriptor */
+ local_irq_save(flags);
+ desc = (struct dmasg *)get_dma_next_desc_ptr(sport->dma_tx_chan);
+ /* Store the descriptor which will be damaged */
+ temp_desc = *desc;
+ desc->x_count = 0xa;
+ desc->y_count = 0;
+ desc->next_desc_addr = (unsigned long)(sport->dummy_tx_desc);
+ local_irq_restore(flags);
+ /* Waiting for dummy buffer descriptor is already hooked*/
+ while ((get_dma_curr_desc_ptr(sport->dma_tx_chan) - \
+ sizeof(struct dmasg)) != \
+ (unsigned long)sport->dummy_tx_desc)
+ ;
+ sport->curr_tx_desc = sport->dummy_tx_desc;
+ /* Restore the damaged descriptor */
+ *desc = temp_desc;
+
+ return 0;
+}
+
+int sport_tx_start(struct sport_device *sport)
+{
+ unsigned flags;
+ pr_debug("%s: tx_run:%d, rx_run:%d\n", __func__,
+ sport->tx_run, sport->rx_run);
+ if (sport->tx_run)
+ return -EBUSY;
+ if (sport->rx_run) {
+ BUG_ON(sport->dma_tx_desc == NULL);
+ BUG_ON(sport->curr_tx_desc != sport->dummy_tx_desc);
+ /* Hook the normal buffer descriptor */
+ local_irq_save(flags);
+ while ((get_dma_curr_desc_ptr(sport->dma_tx_chan) -
+ sizeof(struct dmasg)) !=
+ (unsigned long)sport->dummy_tx_desc)
+ ;
+ sport->dummy_tx_desc->next_desc_addr =
+ (unsigned long)(sport->dma_tx_desc);
+ local_irq_restore(flags);
+ sport->curr_tx_desc = sport->dma_tx_desc;
+ } else {
+
+ sport_tx_dma_start(sport, 0);
+ /* Let rx dma run the dummy buffer */
+ sport_rx_dma_start(sport, 1);
+ sport_start(sport);
+ }
+ sport->tx_run = 1;
+ return 0;
+}
+EXPORT_SYMBOL(sport_tx_start);
+
+int sport_tx_stop(struct sport_device *sport)
+{
+ if (!sport->tx_run)
+ return 0;
+ if (sport->rx_run) {
+ /* RX is still running, hook the dummy buffer */
+ sport_hook_tx_dummy(sport);
+ } else {
+ /* Both rx and tx dma stopped */
+ sport_stop(sport);
+ sport->curr_rx_desc = NULL;
+ sport->curr_tx_desc = NULL;
+ }
+
+ sport->tx_run = 0;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_tx_stop);
+
+static inline int compute_wdsize(size_t wdsize)
+{
+ switch (wdsize) {
+ case 1:
+ return WDSIZE_8;
+ case 2:
+ return WDSIZE_16;
+ case 4:
+ default:
+ return WDSIZE_32;
+ }
+}
+
+int sport_config_rx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize)
+{
+ unsigned int x_count;
+ unsigned int y_count;
+ unsigned int cfg;
+ dma_addr_t addr;
+
+ pr_debug("%s buf:%p, frag:%d, fragsize:0x%lx\n", __func__, \
+ buf, fragcount, fragsize);
+
+ x_count = fragsize / sport->wdsize;
+ y_count = 0;
+
+ /* for fragments larger than 64k words we use 2d dma,
+ * denote fragecount as two numbers' mutliply and both of them
+ * are less than 64k.*/
+ if (x_count >= 0x10000) {
+ int i, count = x_count;
+
+ for (i = 16; i > 0; i--) {
+ x_count = 1 << i;
+ if ((count & (x_count - 1)) == 0) {
+ y_count = count >> i;
+ if (y_count < 0x10000)
+ break;
+ }
+ }
+ if (i == 0)
+ return -EINVAL;
+ }
+ pr_debug("%s(x_count:0x%x, y_count:0x%x)\n", __func__,
+ x_count, y_count);
+
+ if (sport->dma_rx_desc)
+ dma_free_coherent(NULL, sport->rx_desc_bytes,
+ sport->dma_rx_desc, 0);
+
+ /* Allocate a new descritor ring as current one. */
+ sport->dma_rx_desc = dma_alloc_coherent(NULL, \
+ fragcount * sizeof(struct dmasg), &addr, 0);
+ sport->rx_desc_bytes = fragcount * sizeof(struct dmasg);
+
+ if (!sport->dma_rx_desc) {
+ pr_err("Failed to allocate memory for rx desc\n");
+ return -ENOMEM;
+ }
+
+ sport->rx_buf = buf;
+ sport->rx_fragsize = fragsize;
+ sport->rx_frags = fragcount;
+
+ cfg = 0x7000 | DI_EN | compute_wdsize(sport->wdsize) | WNR | \
+ (DESC_ELEMENT_COUNT << 8); /* large descriptor mode */
+
+ if (y_count != 0)
+ cfg |= DMA2D;
+
+ setup_desc(sport->dma_rx_desc, buf, fragcount, fragsize,
+ cfg|DMAEN, x_count, y_count, sport->wdsize);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_rx_dma);
+
+int sport_config_tx_dma(struct sport_device *sport, void *buf, \
+ int fragcount, size_t fragsize)
+{
+ unsigned int x_count;
+ unsigned int y_count;
+ unsigned int cfg;
+ dma_addr_t addr;
+
+ pr_debug("%s buf:%p, fragcount:%d, fragsize:0x%lx\n",
+ __func__, buf, fragcount, fragsize);
+
+ x_count = fragsize/sport->wdsize;
+ y_count = 0;
+
+ /* for fragments larger than 64k words we use 2d dma,
+ * denote fragecount as two numbers' mutliply and both of them
+ * are less than 64k.*/
+ if (x_count >= 0x10000) {
+ int i, count = x_count;
+
+ for (i = 16; i > 0; i--) {
+ x_count = 1 << i;
+ if ((count & (x_count - 1)) == 0) {
+ y_count = count >> i;
+ if (y_count < 0x10000)
+ break;
+ }
+ }
+ if (i == 0)
+ return -EINVAL;
+ }
+ pr_debug("%s x_count:0x%x, y_count:0x%x\n", __func__,
+ x_count, y_count);
+
+
+ if (sport->dma_tx_desc) {
+ dma_free_coherent(NULL, sport->tx_desc_bytes, \
+ sport->dma_tx_desc, 0);
+ }
+
+ sport->dma_tx_desc = dma_alloc_coherent(NULL, \
+ fragcount * sizeof(struct dmasg), &addr, 0);
+ sport->tx_desc_bytes = fragcount * sizeof(struct dmasg);
+ if (!sport->dma_tx_desc) {
+ pr_err("Failed to allocate memory for tx desc\n");
+ return -ENOMEM;
+ }
+
+ sport->tx_buf = buf;
+ sport->tx_fragsize = fragsize;
+ sport->tx_frags = fragcount;
+ cfg = 0x7000 | DI_EN | compute_wdsize(sport->wdsize) | \
+ (DESC_ELEMENT_COUNT << 8); /* large descriptor mode */
+
+ if (y_count != 0)
+ cfg |= DMA2D;
+
+ setup_desc(sport->dma_tx_desc, buf, fragcount, fragsize,
+ cfg|DMAEN, x_count, y_count, sport->wdsize);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_tx_dma);
+
+/* setup dummy dma descriptor ring, which don't generate interrupts,
+ * the x_modify is set to 0 */
+static int sport_config_rx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc;
+ unsigned config;
+
+ pr_debug("%s entered\n", __func__);
+#if L1_DATA_A_LENGTH != 0
+ desc = (struct dmasg *) l1_data_sram_alloc(2 * sizeof(*desc));
+#else
+ {
+ dma_addr_t addr;
+ desc = dma_alloc_coherent(NULL, 2 * sizeof(*desc), &addr, 0);
+ }
+#endif
+ if (desc == NULL) {
+ pr_err("Failed to allocate memory for dummy rx desc\n");
+ return -ENOMEM;
+ }
+ memset(desc, 0, 2 * sizeof(*desc));
+ sport->dummy_rx_desc = desc;
+ desc->start_addr = (unsigned long)sport->dummy_buf;
+ config = DMAFLOW_LARGE | NDSIZE_9 | compute_wdsize(sport->wdsize)
+ | WNR | DMAEN;
+ desc->cfg = config;
+ desc->x_count = sport->dummy_count/sport->wdsize;
+ desc->x_modify = sport->wdsize;
+ desc->y_count = 0;
+ desc->y_modify = 0;
+ memcpy(desc+1, desc, sizeof(*desc));
+ desc->next_desc_addr = (unsigned long)(desc+1);
+ desc[1].next_desc_addr = (unsigned long)desc;
+ return 0;
+}
+
+static int sport_config_tx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc;
+ unsigned int config;
+
+ pr_debug("%s entered\n", __func__);
+
+#if L1_DATA_A_LENGTH != 0
+ desc = (struct dmasg *) l1_data_sram_alloc(2 * sizeof(*desc));
+#else
+ {
+ dma_addr_t addr;
+ desc = dma_alloc_coherent(NULL, 2 * sizeof(*desc), &addr, 0);
+ }
+#endif
+ if (!desc) {
+ pr_err("Failed to allocate memory for dummy tx desc\n");
+ return -ENOMEM;
+ }
+ memset(desc, 0, 2 * sizeof(*desc));
+ sport->dummy_tx_desc = desc;
+ desc->start_addr = (unsigned long)sport->dummy_buf + \
+ sport->dummy_count;
+ config = DMAFLOW_LARGE | NDSIZE_9 |
+ compute_wdsize(sport->wdsize) | DMAEN;
+ desc->cfg = config;
+ desc->x_count = sport->dummy_count/sport->wdsize;
+ desc->x_modify = sport->wdsize;
+ desc->y_count = 0;
+ desc->y_modify = 0;
+ memcpy(desc+1, desc, sizeof(*desc));
+ desc->next_desc_addr = (unsigned long)(desc+1);
+ desc[1].next_desc_addr = (unsigned long)desc;
+ return 0;
+}
+
+unsigned long sport_curr_offset_rx(struct sport_device *sport)
+{
+ unsigned long curr = get_dma_curr_addr(sport->dma_rx_chan);
+
+ return (unsigned char *)curr - sport->rx_buf;
+}
+EXPORT_SYMBOL(sport_curr_offset_rx);
+
+unsigned long sport_curr_offset_tx(struct sport_device *sport)
+{
+ unsigned long curr = get_dma_curr_addr(sport->dma_tx_chan);
+
+ return (unsigned char *)curr - sport->tx_buf;
+}
+EXPORT_SYMBOL(sport_curr_offset_tx);
+
+void sport_incfrag(struct sport_device *sport, int *frag, int tx)
+{
+ ++(*frag);
+ if (tx == 1 && *frag == sport->tx_frags)
+ *frag = 0;
+
+ if (tx == 0 && *frag == sport->rx_frags)
+ *frag = 0;
+}
+EXPORT_SYMBOL(sport_incfrag);
+
+void sport_decfrag(struct sport_device *sport, int *frag, int tx)
+{
+ --(*frag);
+ if (tx == 1 && *frag == 0)
+ *frag = sport->tx_frags;
+
+ if (tx == 0 && *frag == 0)
+ *frag = sport->rx_frags;
+}
+EXPORT_SYMBOL(sport_decfrag);
+
+static int sport_check_status(struct sport_device *sport,
+ unsigned int *sport_stat,
+ unsigned int *rx_stat,
+ unsigned int *tx_stat)
+{
+ int status = 0;
+
+ if (sport_stat) {
+ SSYNC();
+ status = sport->regs->stat;
+ if (status & (TOVF|TUVF|ROVF|RUVF))
+ sport->regs->stat = (status & (TOVF|TUVF|ROVF|RUVF));
+ SSYNC();
+ *sport_stat = status;
+ }
+
+ if (rx_stat) {
+ SSYNC();
+ status = get_dma_curr_irqstat(sport->dma_rx_chan);
+ if (status & (DMA_DONE|DMA_ERR))
+ clear_dma_irqstat(sport->dma_rx_chan);
+ SSYNC();
+ *rx_stat = status;
+ }
+
+ if (tx_stat) {
+ SSYNC();
+ status = get_dma_curr_irqstat(sport->dma_tx_chan);
+ if (status & (DMA_DONE|DMA_ERR))
+ clear_dma_irqstat(sport->dma_tx_chan);
+ SSYNC();
+ *tx_stat = status;
+ }
+
+ return 0;
+}
+
+int sport_dump_stat(struct sport_device *sport, char *buf, size_t len)
+{
+ int ret;
+
+ ret = snprintf(buf, len,
+ "sts: 0x%04x\n"
+ "rx dma %d sts: 0x%04x tx dma %d sts: 0x%04x\n",
+ sport->regs->stat,
+ sport->dma_rx_chan,
+ get_dma_curr_irqstat(sport->dma_rx_chan),
+ sport->dma_tx_chan,
+ get_dma_curr_irqstat(sport->dma_tx_chan));
+ buf += ret;
+ len -= ret;
+
+ ret += snprintf(buf, len,
+ "curr_rx_desc:0x%p, curr_tx_desc:0x%p\n"
+ "dma_rx_desc:0x%p, dma_tx_desc:0x%p\n"
+ "dummy_rx_desc:0x%p, dummy_tx_desc:0x%p\n",
+ sport->curr_rx_desc, sport->curr_tx_desc,
+ sport->dma_rx_desc, sport->dma_tx_desc,
+ sport->dummy_rx_desc, sport->dummy_tx_desc);
+
+ return ret;
+}
+
+static irqreturn_t rx_handler(int irq, void *dev_id)
+{
+ unsigned int rx_stat;
+ struct sport_device *sport = dev_id;
+
+ pr_debug("%s enter\n", __func__);
+ sport_check_status(sport, NULL, &rx_stat, NULL);
+ if (!(rx_stat & DMA_DONE))
+ pr_err("rx dma is already stopped\n");
+
+ if (sport->rx_callback) {
+ sport->rx_callback(sport->rx_data);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+static irqreturn_t tx_handler(int irq, void *dev_id)
+{
+ unsigned int tx_stat;
+ struct sport_device *sport = dev_id;
+ pr_debug("%s enter\n", __func__);
+ sport_check_status(sport, NULL, NULL, &tx_stat);
+ if (!(tx_stat & DMA_DONE)) {
+ pr_err("tx dma is already stopped\n");
+ return IRQ_HANDLED;
+ }
+ if (sport->tx_callback) {
+ sport->tx_callback(sport->tx_data);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+static irqreturn_t err_handler(int irq, void *dev_id)
+{
+ unsigned int status = 0;
+ struct sport_device *sport = dev_id;
+
+ pr_debug("%s\n", __func__);
+ if (sport_check_status(sport, &status, NULL, NULL)) {
+ pr_err("error checking status ??");
+ return IRQ_NONE;
+ }
+
+ if (status & (TOVF|TUVF|ROVF|RUVF)) {
+ pr_info("sport status error:%s%s%s%s\n",
+ status & TOVF ? " TOVF" : "",
+ status & TUVF ? " TUVF" : "",
+ status & ROVF ? " ROVF" : "",
+ status & RUVF ? " RUVF" : "");
+ if (status & TOVF || status & TUVF) {
+ disable_dma(sport->dma_tx_chan);
+ if (sport->tx_run)
+ sport_tx_dma_start(sport, 0);
+ else
+ sport_tx_dma_start(sport, 1);
+ enable_dma(sport->dma_tx_chan);
+ } else {
+ disable_dma(sport->dma_rx_chan);
+ if (sport->rx_run)
+ sport_rx_dma_start(sport, 0);
+ else
+ sport_rx_dma_start(sport, 1);
+ enable_dma(sport->dma_rx_chan);
+ }
+ }
+ status = sport->regs->stat;
+ if (status & (TOVF|TUVF|ROVF|RUVF))
+ sport->regs->stat = (status & (TOVF|TUVF|ROVF|RUVF));
+ SSYNC();
+
+ if (sport->err_callback)
+ sport->err_callback(sport->err_data);
+
+ return IRQ_HANDLED;
+}
+
+int sport_set_rx_callback(struct sport_device *sport,
+ void (*rx_callback)(void *), void *rx_data)
+{
+ BUG_ON(rx_callback == NULL);
+ sport->rx_callback = rx_callback;
+ sport->rx_data = rx_data;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_rx_callback);
+
+int sport_set_tx_callback(struct sport_device *sport,
+ void (*tx_callback)(void *), void *tx_data)
+{
+ BUG_ON(tx_callback == NULL);
+ sport->tx_callback = tx_callback;
+ sport->tx_data = tx_data;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_tx_callback);
+
+int sport_set_err_callback(struct sport_device *sport,
+ void (*err_callback)(void *), void *err_data)
+{
+ BUG_ON(err_callback == NULL);
+ sport->err_callback = err_callback;
+ sport->err_data = err_data;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_err_callback);
+
+struct sport_device *sport_init(struct sport_param *param, unsigned wdsize,
+ unsigned dummy_count, void *private_data)
+{
+ int ret;
+ struct sport_device *sport;
+ pr_debug("%s enter\n", __func__);
+ BUG_ON(param == NULL);
+ BUG_ON(wdsize == 0 || dummy_count == 0);
+ sport = kmalloc(sizeof(struct sport_device), GFP_KERNEL);
+ if (!sport) {
+ pr_err("Failed to allocate for sport device\n");
+ return NULL;
+ }
+
+ memset(sport, 0, sizeof(struct sport_device));
+ sport->dma_rx_chan = param->dma_rx_chan;
+ sport->dma_tx_chan = param->dma_tx_chan;
+ sport->err_irq = param->err_irq;
+ sport->regs = param->regs;
+ sport->private_data = private_data;
+
+ if (request_dma(sport->dma_rx_chan, "SPORT RX Data") == -EBUSY) {
+ pr_err("Failed to request RX dma %d\n", \
+ sport->dma_rx_chan);
+ goto __init_err1;
+ }
+ if (set_dma_callback(sport->dma_rx_chan, rx_handler, sport) != 0) {
+ pr_err("Failed to request RX irq %d\n", \
+ sport->dma_rx_chan);
+ goto __init_err2;
+ }
+
+ if (request_dma(sport->dma_tx_chan, "SPORT TX Data") == -EBUSY) {
+ pr_err("Failed to request TX dma %d\n", \
+ sport->dma_tx_chan);
+ goto __init_err2;
+ }
+
+ if (set_dma_callback(sport->dma_tx_chan, tx_handler, sport) != 0) {
+ pr_err("Failed to request TX irq %d\n", \
+ sport->dma_tx_chan);
+ goto __init_err3;
+ }
+
+ if (request_irq(sport->err_irq, err_handler, IRQF_SHARED, "SPORT err",
+ sport) < 0) {
+ pr_err("Failed to request err irq:%d\n", \
+ sport->err_irq);
+ goto __init_err3;
+ }
+
+ pr_err("dma rx:%d tx:%d, err irq:%d, regs:%p\n",
+ sport->dma_rx_chan, sport->dma_tx_chan,
+ sport->err_irq, sport->regs);
+
+ sport->wdsize = wdsize;
+ sport->dummy_count = dummy_count;
+
+#if L1_DATA_A_LENGTH != 0
+ sport->dummy_buf = l1_data_sram_alloc(dummy_count * 2);
+#else
+ sport->dummy_buf = kmalloc(dummy_count * 2, GFP_KERNEL);
+#endif
+ if (sport->dummy_buf == NULL) {
+ pr_err("Failed to allocate dummy buffer\n");
+ goto __error;
+ }
+
+ memset(sport->dummy_buf, 0, dummy_count * 2);
+ ret = sport_config_rx_dummy(sport);
+ if (ret) {
+ pr_err("Failed to config rx dummy ring\n");
+ goto __error;
+ }
+ ret = sport_config_tx_dummy(sport);
+ if (ret) {
+ pr_err("Failed to config tx dummy ring\n");
+ goto __error;
+ }
+
+ return sport;
+__error:
+ free_irq(sport->err_irq, sport);
+__init_err3:
+ free_dma(sport->dma_tx_chan);
+__init_err2:
+ free_dma(sport->dma_rx_chan);
+__init_err1:
+ kfree(sport);
+ return NULL;
+}
+EXPORT_SYMBOL(sport_init);
+
+void sport_done(struct sport_device *sport)
+{
+ if (sport == NULL)
+ return;
+
+ sport_stop(sport);
+ if (sport->dma_rx_desc)
+ dma_free_coherent(NULL, sport->rx_desc_bytes,
+ sport->dma_rx_desc, 0);
+ if (sport->dma_tx_desc)
+ dma_free_coherent(NULL, sport->tx_desc_bytes,
+ sport->dma_tx_desc, 0);
+
+#if L1_DATA_A_LENGTH != 0
+ l1_data_sram_free(sport->dummy_rx_desc);
+ l1_data_sram_free(sport->dummy_tx_desc);
+ l1_data_sram_free(sport->dummy_buf);
+#else
+ dma_free_coherent(NULL, 2*sizeof(struct dmasg),
+ sport->dummy_rx_desc, 0);
+ dma_free_coherent(NULL, 2*sizeof(struct dmasg),
+ sport->dummy_tx_desc, 0);
+ kfree(sport->dummy_buf);
+#endif
+ free_dma(sport->dma_rx_chan);
+ free_dma(sport->dma_tx_chan);
+ free_irq(sport->err_irq, sport);
+
+ kfree(sport);
+ sport = NULL;
+}
+EXPORT_SYMBOL(sport_done);
+/*
+* It is only used to send several bytes when dma is not enabled
+ * sport controller is configured but not enabled.
+ * Multichannel cannot works with pio mode */
+/* Used by ac97 to write and read codec register */
+int sport_send_and_recv(struct sport_device *sport, u8 *out_data, \
+ u8 *in_data, int len)
+{
+ unsigned short dma_config;
+ unsigned short status;
+ unsigned long flags;
+ unsigned long wait = 0;
+
+ pr_debug("%s enter, out_data:%p, in_data:%p len:%d\n", \
+ __func__, out_data, in_data, len);
+ pr_debug("tcr1:0x%04x, tcr2:0x%04x, tclkdiv:0x%04x, tfsdiv:0x%04x\n"
+ "mcmc1:0x%04x, mcmc2:0x%04x\n",
+ sport->regs->tcr1, sport->regs->tcr2,
+ sport->regs->tclkdiv, sport->regs->tfsdiv,
+ sport->regs->mcmc1, sport->regs->mcmc2);
+ flush_dcache_range((unsigned)out_data, (unsigned)(out_data + len));
+
+ /* Enable tx dma */
+ dma_config = (RESTART | WDSIZE_16 | DI_EN);
+ set_dma_start_addr(sport->dma_tx_chan, (unsigned long)out_data);
+ set_dma_x_count(sport->dma_tx_chan, len/2);
+ set_dma_x_modify(sport->dma_tx_chan, 2);
+ set_dma_config(sport->dma_tx_chan, dma_config);
+ enable_dma(sport->dma_tx_chan);
+
+ if (in_data != NULL) {
+ invalidate_dcache_range((unsigned)in_data, \
+ (unsigned)(in_data + len));
+ /* Enable rx dma */
+ dma_config = (RESTART | WDSIZE_16 | WNR | DI_EN);
+ set_dma_start_addr(sport->dma_rx_chan, (unsigned long)in_data);
+ set_dma_x_count(sport->dma_rx_chan, len/2);
+ set_dma_x_modify(sport->dma_rx_chan, 2);
+ set_dma_config(sport->dma_rx_chan, dma_config);
+ enable_dma(sport->dma_rx_chan);
+ }
+
+ local_irq_save(flags);
+ sport->regs->tcr1 |= TSPEN;
+ sport->regs->rcr1 |= RSPEN;
+ SSYNC();
+
+ status = get_dma_curr_irqstat(sport->dma_tx_chan);
+ while (status & DMA_RUN) {
+ udelay(1);
+ status = get_dma_curr_irqstat(sport->dma_tx_chan);
+ pr_debug("DMA status:0x%04x\n", status);
+ if (wait++ > 100)
+ goto __over;
+ }
+ status = sport->regs->stat;
+ wait = 0;
+
+ while (!(status & TXHRE)) {
+ pr_debug("sport status:0x%04x\n", status);
+ udelay(1);
+ status = *(unsigned short *)&sport->regs->stat;
+ if (wait++ > 1000)
+ goto __over;
+ }
+ /* Wait for the last byte sent out */
+ udelay(20);
+ pr_debug("sport status:0x%04x\n", status);
+
+__over:
+ sport->regs->tcr1 &= ~TSPEN;
+ sport->regs->rcr1 &= ~RSPEN;
+ SSYNC();
+ disable_dma(sport->dma_tx_chan);
+ /* Clear the status */
+ clear_dma_irqstat(sport->dma_tx_chan);
+ if (in_data != NULL) {
+ disable_dma(sport->dma_rx_chan);
+ clear_dma_irqstat(sport->dma_rx_chan);
+ }
+ SSYNC();
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_send_and_recv);
+
+MODULE_AUTHOR("Roy Huang");
+MODULE_DESCRIPTION("SPORT driver for ADI Blackfin");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/blackfin/bf5xx-sport.h b/sound/soc/blackfin/bf5xx-sport.h
new file mode 100644
index 0000000..4c16345
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-sport.h
@@ -0,0 +1,192 @@
+/*
+ * File: bf5xx_ac97_sport.h
+ * Based on:
+ * Author: Roy Huang <roy.huang@analog.com>
+ *
+ * Created:
+ * Description:
+ *
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#ifndef __BF5XX_SPORT_H__
+#define __BF5XX_SPORT_H__
+
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#include <asm/dma.h>
+
+struct sport_register {
+ u16 tcr1; u16 reserved0;
+ u16 tcr2; u16 reserved1;
+ u16 tclkdiv; u16 reserved2;
+ u16 tfsdiv; u16 reserved3;
+ u32 tx;
+ u32 reserved_l0;
+ u32 rx;
+ u32 reserved_l1;
+ u16 rcr1; u16 reserved4;
+ u16 rcr2; u16 reserved5;
+ u16 rclkdiv; u16 reserved6;
+ u16 rfsdiv; u16 reserved7;
+ u16 stat; u16 reserved8;
+ u16 chnl; u16 reserved9;
+ u16 mcmc1; u16 reserved10;
+ u16 mcmc2; u16 reserved11;
+ u32 mtcs0;
+ u32 mtcs1;
+ u32 mtcs2;
+ u32 mtcs3;
+ u32 mrcs0;
+ u32 mrcs1;
+ u32 mrcs2;
+ u32 mrcs3;
+};
+
+#define DESC_ELEMENT_COUNT 9
+
+struct sport_device {
+ int dma_rx_chan;
+ int dma_tx_chan;
+ int err_irq;
+ struct sport_register *regs;
+
+ unsigned char *rx_buf;
+ unsigned char *tx_buf;
+ unsigned int rx_fragsize;
+ unsigned int tx_fragsize;
+ unsigned int rx_frags;
+ unsigned int tx_frags;
+ unsigned int wdsize;
+
+ /* for dummy dma transfer */
+ void *dummy_buf;
+ unsigned int dummy_count;
+
+ /* DMA descriptor ring head of current audio stream*/
+ struct dmasg *dma_rx_desc;
+ struct dmasg *dma_tx_desc;
+ unsigned int rx_desc_bytes;
+ unsigned int tx_desc_bytes;
+
+ unsigned int rx_run:1; /* rx is running */
+ unsigned int tx_run:1; /* tx is running */
+
+ struct dmasg *dummy_rx_desc;
+ struct dmasg *dummy_tx_desc;
+
+ struct dmasg *curr_rx_desc;
+ struct dmasg *curr_tx_desc;
+
+ int rx_curr_frag;
+ int tx_curr_frag;
+
+ unsigned int rcr1;
+ unsigned int rcr2;
+ int rx_tdm_count;
+
+ unsigned int tcr1;
+ unsigned int tcr2;
+ int tx_tdm_count;
+
+ void (*rx_callback)(void *data);
+ void *rx_data;
+ void (*tx_callback)(void *data);
+ void *tx_data;
+ void (*err_callback)(void *data);
+ void *err_data;
+ unsigned char *tx_dma_buf;
+ unsigned char *rx_dma_buf;
+#ifdef CONFIG_SND_MMAP_SUPPORT
+ dma_addr_t tx_dma_phy;
+ dma_addr_t rx_dma_phy;
+ int tx_pos;/*pcm sample count*/
+ int rx_pos;
+ unsigned int tx_buffer_size;
+ unsigned int rx_buffer_size;
+#endif
+ void *private_data;
+};
+
+extern struct sport_device *sport_handle;
+
+struct sport_param {
+ int dma_rx_chan;
+ int dma_tx_chan;
+ int err_irq;
+ struct sport_register *regs;
+};
+
+struct sport_device *sport_init(struct sport_param *param, unsigned wdsize,
+ unsigned dummy_count, void *private_data);
+
+void sport_done(struct sport_device *sport);
+
+/* first use these ...*/
+
+/* note: multichannel is in units of 8 channels, tdm_count is number of channels
+ * NOT / 8 ! all channels are enabled by default */
+int sport_set_multichannel(struct sport_device *sport, int tdm_count,
+ u32 mask, int packed);
+
+int sport_config_rx(struct sport_device *sport,
+ unsigned int rcr1, unsigned int rcr2,
+ unsigned int clkdiv, unsigned int fsdiv);
+
+int sport_config_tx(struct sport_device *sport,
+ unsigned int tcr1, unsigned int tcr2,
+ unsigned int clkdiv, unsigned int fsdiv);
+
+/* ... then these: */
+
+/* buffer size (in bytes) == fragcount * fragsize_bytes */
+
+/* this is not a very general api, it sets the dma to 2d autobuffer mode */
+
+int sport_config_rx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize_bytes);
+
+int sport_config_tx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize_bytes);
+
+int sport_tx_start(struct sport_device *sport);
+int sport_tx_stop(struct sport_device *sport);
+int sport_rx_start(struct sport_device *sport);
+int sport_rx_stop(struct sport_device *sport);
+
+/* for use in interrupt handler */
+unsigned long sport_curr_offset_rx(struct sport_device *sport);
+unsigned long sport_curr_offset_tx(struct sport_device *sport);
+
+void sport_incfrag(struct sport_device *sport, int *frag, int tx);
+void sport_decfrag(struct sport_device *sport, int *frag, int tx);
+
+int sport_set_rx_callback(struct sport_device *sport,
+ void (*rx_callback)(void *), void *rx_data);
+int sport_set_tx_callback(struct sport_device *sport,
+ void (*tx_callback)(void *), void *tx_data);
+int sport_set_err_callback(struct sport_device *sport,
+ void (*err_callback)(void *), void *err_data);
+
+int sport_send_and_recv(struct sport_device *sport, u8 *out_data, \
+ u8 *in_data, int len);
+#endif /* BF53X_SPORT_H */
diff --git a/sound/soc/blackfin/bf5xx-ssm2602.c b/sound/soc/blackfin/bf5xx-ssm2602.c
new file mode 100644
index 0000000..e15f67f
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ssm2602.c
@@ -0,0 +1,186 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ssm2602.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: board driver for SSM2602 sound chip
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm_params.h>
+
+#include <asm/dma.h>
+#include <asm/portmux.h>
+#include <linux/gpio.h>
+#include "../codecs/ssm2602.h"
+#include "bf5xx-sport.h"
+#include "bf5xx-i2s-pcm.h"
+#include "bf5xx-i2s.h"
+
+static struct snd_soc_machine bf5xx_ssm2602;
+
+static int bf5xx_ssm2602_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ pr_debug("%s enter\n", __func__);
+ cpu_dai->private_data = sport_handle;
+ return 0;
+}
+
+static int bf5xx_ssm2602_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+ unsigned int clk = 0;
+ int ret = 0;
+
+ pr_debug("%s rate %d format %x\n", __func__, params_rate(params),
+ params_format(params));
+ /*
+ * If you are using a crystal source which frequency is not 12MHz
+ * then modify the below case statement with frequency of the crystal.
+ *
+ * If you are using the SPORT to generate clocking then this is
+ * where to do it.
+ */
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 48000:
+ case 96000:
+ case 11025:
+ case 22050:
+ case 44100:
+ clk = 12000000;
+ break;
+ }
+
+ /*
+ * CODEC is master for BCLK and LRC in this configuration.
+ */
+
+ /* set codec DAI configuration */
+ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+ /* set cpu DAI configuration */
+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = codec_dai->dai_ops.set_sysclk(codec_dai, SSM2602_SYSCLK, clk,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct snd_soc_ops bf5xx_ssm2602_ops = {
+ .startup = bf5xx_ssm2602_startup,
+ .hw_params = bf5xx_ssm2602_hw_params,
+};
+
+static struct snd_soc_dai_link bf5xx_ssm2602_dai = {
+ .name = "ssm2602",
+ .stream_name = "SSM2602",
+ .cpu_dai = &bf5xx_i2s_dai,
+ .codec_dai = &ssm2602_dai,
+ .ops = &bf5xx_ssm2602_ops,
+};
+
+/*
+ * SSM2602 2 wire address is determined by CSB
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+
+static struct ssm2602_setup_data bf5xx_ssm2602_setup = {
+ .i2c_bus = 0,
+ .i2c_address = 0x1b,
+};
+
+static struct snd_soc_machine bf5xx_ssm2602 = {
+ .name = "bf5xx_ssm2602",
+ .dai_link = &bf5xx_ssm2602_dai,
+ .num_links = 1,
+};
+
+static struct snd_soc_device bf5xx_ssm2602_snd_devdata = {
+ .machine = &bf5xx_ssm2602,
+ .platform = &bf5xx_i2s_soc_platform,
+ .codec_dev = &soc_codec_dev_ssm2602,
+ .codec_data = &bf5xx_ssm2602_setup,
+};
+
+static struct platform_device *bf52x_ssm2602_snd_device;
+
+static int __init bf5xx_ssm2602_init(void)
+{
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ bf52x_ssm2602_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!bf52x_ssm2602_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(bf52x_ssm2602_snd_device,
+ &bf5xx_ssm2602_snd_devdata);
+ bf5xx_ssm2602_snd_devdata.dev = &bf52x_ssm2602_snd_device->dev;
+ ret = platform_device_add(bf52x_ssm2602_snd_device);
+
+ if (ret)
+ platform_device_put(bf52x_ssm2602_snd_device);
+
+ return ret;
+}
+
+static void __exit bf5xx_ssm2602_exit(void)
+{
+ pr_debug("%s enter\n", __func__);
+ platform_device_unregister(bf52x_ssm2602_snd_device);
+}
+
+module_init(bf5xx_ssm2602_init);
+module_exit(bf5xx_ssm2602_exit);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ALSA SoC SSM2602 BF527-EZKIT");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 1db04a2..e0b9869 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -1,16 +1,80 @@
+config SND_SOC_ALL_CODECS
+ tristate "Build all ASoC CODEC drivers"
+ depends on I2C
+ select SPI
+ select SPI_MASTER
+ select SND_SOC_AK4535
+ select SND_SOC_CS4270
+ select SND_SOC_SSM2602
+ select SND_SOC_TLV320AIC26
+ select SND_SOC_TLV320AIC3X
+ select SND_SOC_UDA1380
+ select SND_SOC_WM8510
+ select SND_SOC_WM8580
+ select SND_SOC_WM8731
+ select SND_SOC_WM8750
+ select SND_SOC_WM8753
+ select SND_SOC_WM8900
+ select SND_SOC_WM8903
+ select SND_SOC_WM8971
+ select SND_SOC_WM8990
+ help
+ Normally ASoC codec drivers are only built if a machine driver which
+ uses them is also built since they are only usable with a machine
+ driver. Selecting this option will allow these drivers to be built
+ without an explicit machine driver for test and development purposes.
+
+ If unsure select "N".
+
+
config SND_SOC_AC97_CODEC
tristate
select SND_AC97_CODEC
+config SND_SOC_AD1980
+ tristate
+
config SND_SOC_AK4535
tristate
+# Cirrus Logic CS4270 Codec
+config SND_SOC_CS4270
+ tristate
+
+# Cirrus Logic CS4270 Codec Hardware Mute Support
+# Select if you have external muting circuitry attached to your CS4270.
+config SND_SOC_CS4270_HWMUTE
+ bool
+ depends on SND_SOC_CS4270
+
+# Cirrus Logic CS4270 Codec VD = 3.3V Errata
+# Select if you are affected by the errata where the part will not function
+# if MCLK divide-by-1.5 is selected and VD is set to 3.3V. The driver will
+# not select any sample rates that require MCLK to be divided by 1.5.
+config SND_SOC_CS4270_VD33_ERRATA
+ bool
+ depends on SND_SOC_CS4270
+
+config SND_SOC_SSM2602
+ tristate
+
+config SND_SOC_TLV320AIC26
+ tristate "TI TLV320AIC26 Codec support"
+ depends on SND_SOC && SPI
+
+config SND_SOC_TLV320AIC3X
+ tristate
+ depends on I2C
+
config SND_SOC_UDA1380
tristate
config SND_SOC_WM8510
tristate
+config SND_SOC_WM8580
+ tristate
+
config SND_SOC_WM8731
tristate
@@ -20,33 +84,20 @@ config SND_SOC_WM8750
config SND_SOC_WM8753
tristate
-config SND_SOC_WM8990
+config SND_SOC_WM8900
tristate
-config SND_SOC_WM9712
+config SND_SOC_WM8903
tristate
-config SND_SOC_WM9713
+config SND_SOC_WM8971
tristate
-# Cirrus Logic CS4270 Codec
-config SND_SOC_CS4270
+config SND_SOC_WM8990
tristate
-# Cirrus Logic CS4270 Codec Hardware Mute Support
-# Select if you have external muting circuitry attached to your CS4270.
-config SND_SOC_CS4270_HWMUTE
- bool
- depends on SND_SOC_CS4270
-
-# Cirrus Logic CS4270 Codec VD = 3.3V Errata
-# Select if you are affected by the errata where the part will not function
-# if MCLK divide-by-1.5 is selected and VD is set to 3.3V. The driver will
-# not select any sample rates that require MCLK to be divided by 1.5.
-config SND_SOC_CS4270_VD33_ERRATA
- bool
- depends on SND_SOC_CS4270
+config SND_SOC_WM9712
+ tristate
-config SND_SOC_TLV320AIC3X
+config SND_SOC_WM9713
tristate
- depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index d7b97ab..f977978 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -1,25 +1,39 @@
snd-soc-ac97-objs := ac97.o
+snd-soc-ad1980-objs := ad1980.o
snd-soc-ak4535-objs := ak4535.o
+snd-soc-cs4270-objs := cs4270.o
+snd-soc-ssm2602-objs := ssm2602.o
+snd-soc-tlv320aic26-objs := tlv320aic26.o
+snd-soc-tlv320aic3x-objs := tlv320aic3x.o
snd-soc-uda1380-objs := uda1380.o
snd-soc-wm8510-objs := wm8510.o
+snd-soc-wm8580-objs := wm8580.o
snd-soc-wm8731-objs := wm8731.o
snd-soc-wm8750-objs := wm8750.o
snd-soc-wm8753-objs := wm8753.o
+snd-soc-wm8900-objs := wm8900.o
+snd-soc-wm8903-objs := wm8903.o
+snd-soc-wm8971-objs := wm8971.o
snd-soc-wm8990-objs := wm8990.o
snd-soc-wm9712-objs := wm9712.o
snd-soc-wm9713-objs := wm9713.o
-snd-soc-cs4270-objs := cs4270.o
-snd-soc-tlv320aic3x-objs := tlv320aic3x.o
obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
+obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o
obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
+obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
+obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o
+obj-$(CONFIG_SND_SOC_TLV320AIC26) += snd-soc-tlv320aic26.o
+obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o
obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o
obj-$(CONFIG_SND_SOC_WM8510) += snd-soc-wm8510.o
+obj-$(CONFIG_SND_SOC_WM8580) += snd-soc-wm8580.o
obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o
obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o
obj-$(CONFIG_SND_SOC_WM8753) += snd-soc-wm8753.o
+obj-$(CONFIG_SND_SOC_WM8900) += snd-soc-wm8900.o
+obj-$(CONFIG_SND_SOC_WM8903) += snd-soc-wm8903.o
+obj-$(CONFIG_SND_SOC_WM8971) += snd-soc-wm8971.o
obj-$(CONFIG_SND_SOC_WM8990) += snd-soc-wm8990.o
obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o
obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o
-obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
-obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o
diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c
new file mode 100644
index 0000000..4e09c1f
--- /dev/null
+++ b/sound/soc/codecs/ad1980.c
@@ -0,0 +1,309 @@
+/*
+ * ad1980.c -- ALSA Soc AD1980 codec support
+ *
+ * Copyright: Analog Device Inc.
+ * Author: Roy Huang <roy.huang@analog.com>
+ * Cliff Cai <cliff.cai@analog.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include "ad1980.h"
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg);
+static int ac97_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val);
+
+/*
+ * AD1980 register cache
+ */
+static const u16 ad1980_reg[] = {
+ 0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6 */
+ 0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e */
+ 0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */
+ 0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */
+ 0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */
+ 0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */
+ 0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
+ 0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
+ 0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */
+ 0x0000, 0x0000, 0x4144, 0x5370 /* 78 - 7e */
+};
+
+static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
+ "Stereo Mix", "Mono Mix", "Phone"};
+
+static const struct soc_enum ad1980_cap_src =
+ SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel);
+
+static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
+SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
+SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
+
+SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
+SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
+
+SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
+SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
+
+SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0),
+SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1),
+
+SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
+SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
+
+SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
+SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),
+
+SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
+SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
+
+SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0),
+SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0),
+
+SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
+SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
+
+SOC_ENUM("Capture Source", ad1980_cap_src),
+
+SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
+};
+
+/* add non dapm controls */
+static int ad1980_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(ad1980_snd_ac97_controls); i++) {
+ err = snd_ctl_add(codec->card, snd_soc_cnew(
+ &ad1980_snd_ac97_controls[i], codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+
+ switch (reg) {
+ case AC97_RESET:
+ case AC97_INT_PAGING:
+ case AC97_POWERDOWN:
+ case AC97_EXTENDED_STATUS:
+ case AC97_VENDOR_ID1:
+ case AC97_VENDOR_ID2:
+ return soc_ac97_ops.read(codec->ac97, reg);
+ default:
+ reg = reg >> 1;
+
+ if (reg >= (ARRAY_SIZE(ad1980_reg)))
+ return -EINVAL;
+
+ return cache[reg];
+ }
+}
+
+static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int val)
+{
+ u16 *cache = codec->reg_cache;
+
+ soc_ac97_ops.write(codec->ac97, reg, val);
+ reg = reg >> 1;
+ if (reg < (ARRAY_SIZE(ad1980_reg)))
+ cache[reg] = val;
+
+ return 0;
+}
+
+struct snd_soc_dai ad1980_dai = {
+ .name = "AC97",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+};
+EXPORT_SYMBOL_GPL(ad1980_dai);
+
+static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
+{
+ u16 retry_cnt = 0;
+
+retry:
+ if (try_warm && soc_ac97_ops.warm_reset) {
+ soc_ac97_ops.warm_reset(codec->ac97);
+ if (ac97_read(codec, AC97_RESET) == 0x0090)
+ return 1;
+ }
+
+ soc_ac97_ops.reset(codec->ac97);
+ /* Set bit 16slot in register 74h, then every slot will has only 16
+ * bits. This command is sent out in 20bit mode, in which case the
+ * first nibble of data is eaten by the addr. (Tag is always 16 bit)*/
+ ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
+
+ if (ac97_read(codec, AC97_RESET) != 0x0090)
+ goto err;
+ return 0;
+
+err:
+ while (retry_cnt++ < 10)
+ goto retry;
+
+ printk(KERN_ERR "AD1980 AC97 reset failed\n");
+ return -EIO;
+}
+
+static int ad1980_soc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
+ u16 vendor_id2;
+
+ printk(KERN_INFO "AD1980 SoC Audio Codec\n");
+
+ socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (socdev->codec == NULL)
+ return -ENOMEM;
+ codec = socdev->codec;
+ mutex_init(&codec->mutex);
+
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(ad1980_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL) {
+ ret = -ENOMEM;
+ goto cache_err;
+ }
+ memcpy(codec->reg_cache, ad1980_reg, sizeof(u16) * \
+ ARRAY_SIZE(ad1980_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(ad1980_reg);
+ codec->reg_cache_step = 2;
+ codec->name = "AD1980";
+ codec->owner = THIS_MODULE;
+ codec->dai = &ad1980_dai;
+ codec->num_dai = 1;
+ codec->write = ac97_write;
+ codec->read = ac97_read;
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
+ if (ret < 0) {
+ printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
+ goto codec_err;
+ }
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0)
+ goto pcm_err;
+
+
+ ret = ad1980_reset(codec, 0);
+ if (ret < 0) {
+ printk(KERN_ERR "AC97 link error\n");
+ goto reset_err;
+ }
+
+ /* Read out vendor ID to make sure it is ad1980 */
+ if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144)
+ goto reset_err;
+
+ vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);
+
+ if (vendor_id2 != 0x5370) {
+ if (vendor_id2 != 0x5374)
+ goto reset_err;
+ else
+ printk(KERN_WARNING "ad1980: "
+ "Found AD1981 - only 2/2 IN/OUT Channels "
+ "supported\n");
+ }
+
+ ac97_write(codec, AC97_MASTER, 0x0000); /* unmute line out volume */
+ ac97_write(codec, AC97_PCM, 0x0000); /* unmute PCM out volume */
+ ac97_write(codec, AC97_REC_GAIN, 0x0000);/* unmute record volume */
+
+ ad1980_add_controls(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "ad1980: failed to register card\n");
+ goto reset_err;
+ }
+
+ return 0;
+
+reset_err:
+ snd_soc_free_pcms(socdev);
+
+pcm_err:
+ snd_soc_free_ac97_codec(codec);
+
+codec_err:
+ kfree(codec->reg_cache);
+
+cache_err:
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return ret;
+}
+
+static int ad1980_soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec == NULL)
+ return 0;
+
+ snd_soc_dapm_free(socdev);
+ snd_soc_free_pcms(socdev);
+ snd_soc_free_ac97_codec(codec);
+ kfree(codec->reg_cache);
+ kfree(codec);
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_ad1980 = {
+ .probe = ad1980_soc_probe,
+ .remove = ad1980_soc_remove,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_ad1980);
+
+MODULE_DESCRIPTION("ASoC ad1980 driver");
+MODULE_AUTHOR("Roy Huang, Cliff Cai");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/ad1980.h b/sound/soc/codecs/ad1980.h
new file mode 100644
index 0000000..db6c850
--- /dev/null
+++ b/sound/soc/codecs/ad1980.h
@@ -0,0 +1,23 @@
+/*
+ * ad1980.h -- ad1980 Soc Audio driver
+ */
+
+#ifndef _AD1980_H
+#define _AD1980_H
+/* Bit definition of Power-Down Control/Status Register */
+#define ADC 0x0001
+#define DAC 0x0002
+#define ANL 0x0004
+#define REF 0x0008
+#define PR0 0x0100
+#define PR1 0x0200
+#define PR2 0x0400
+#define PR3 0x0800
+#define PR4 0x1000
+#define PR5 0x2000
+#define PR6 0x4000
+
+extern struct snd_soc_dai ad1980_dai;
+extern struct snd_soc_codec_device soc_codec_dev_ad1980;
+
+#endif
diff --git a/sound/soc/codecs/ak4535.c b/sound/soc/codecs/ak4535.c
index 7da9f467..088cf99 100644
--- a/sound/soc/codecs/ak4535.c
+++ b/sound/soc/codecs/ak4535.c
@@ -535,87 +535,85 @@ static struct snd_soc_device *ak4535_socdev;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-#define I2C_DRIVERID_AK4535 0xfefe /* liam - need a proper id */
-
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver ak4535_i2c_driver;
-static struct i2c_client client_template;
-
-/* If the i2c layer weren't so broken, we could pass this kind of data
- around */
-static int ak4535_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int ak4535_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = ak4535_socdev;
- struct ak4535_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- printk(KERN_ERR "failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = ak4535_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
printk(KERN_ERR "failed to initialise AK4535\n");
- goto err;
- }
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int ak4535_i2c_detach(struct i2c_client *client)
+static int ak4535_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int ak4535_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, ak4535_codec_probe);
-}
+static const struct i2c_device_id ak4535_i2c_id[] = {
+ { "ak4535", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ak4535_i2c_id);
-/* corgi i2c codec control layer */
static struct i2c_driver ak4535_i2c_driver = {
.driver = {
.name = "AK4535 I2C Codec",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_AK4535,
- .attach_adapter = ak4535_i2c_attach,
- .detach_client = ak4535_i2c_detach,
- .command = NULL,
+ .probe = ak4535_i2c_probe,
+ .remove = ak4535_i2c_remove,
+ .id_table = ak4535_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "AK4535",
- .driver = &ak4535_i2c_driver,
-};
+static int ak4535_add_i2c_device(struct platform_device *pdev,
+ const struct ak4535_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&ak4535_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "ak4535", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&ak4535_i2c_driver);
+ return -ENODEV;
+}
#endif
static int ak4535_probe(struct platform_device *pdev)
@@ -624,7 +622,7 @@ static int ak4535_probe(struct platform_device *pdev)
struct ak4535_setup_data *setup;
struct snd_soc_codec *codec;
struct ak4535_priv *ak4535;
- int ret = 0;
+ int ret;
printk(KERN_INFO "AK4535 Audio Codec %s", AK4535_VERSION);
@@ -646,17 +644,14 @@ static int ak4535_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&codec->dapm_paths);
ak4535_socdev = socdev;
+ ret = -ENODEV;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
codec->hw_read = (hw_read_t)i2c_master_recv;
- ret = i2c_add_driver(&ak4535_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ ret = ak4535_add_i2c_device(pdev, setup);
}
-#else
- /* Add other interfaces here */
#endif
if (ret != 0) {
@@ -678,6 +673,7 @@ static int ak4535_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&ak4535_i2c_driver);
#endif
kfree(codec->private_data);
diff --git a/sound/soc/codecs/ak4535.h b/sound/soc/codecs/ak4535.h
index e9fe30e..c7a5870 100644
--- a/sound/soc/codecs/ak4535.h
+++ b/sound/soc/codecs/ak4535.h
@@ -37,6 +37,7 @@
#define AK4535_CACHEREGNUM 0x10
struct ak4535_setup_data {
+ int i2c_bus;
unsigned short i2c_address;
};
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index 9deb8c7..0bbd945 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -490,34 +490,7 @@ static int cs4270_mute(struct snd_soc_dai *dai, int mute)
#endif
-static int cs4270_i2c_probe(struct i2c_adapter *adap, int addr, int kind);
-
-/*
- * Notify the driver that a new I2C bus has been found.
- *
- * This function is called for each I2C bus in the system. The function
- * then asks the I2C subsystem to probe that bus at the addresses on which
- * our device (the CS4270) could exist. If a device is found at one of
- * those addresses, then our probe function (cs4270_i2c_probe) is called.
- */
-static int cs4270_i2c_attach(struct i2c_adapter *adapter)
-{
- return i2c_probe(adapter, &addr_data, cs4270_i2c_probe);
-}
-
-static int cs4270_i2c_detach(struct i2c_client *client)
-{
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
-
- i2c_detach_client(client);
- codec->control_data = NULL;
-
- kfree(codec->reg_cache);
- codec->reg_cache = NULL;
-
- kfree(client);
- return 0;
-}
+static int cs4270_i2c_probe(struct i2c_client *, const struct i2c_device_id *);
/* A list of non-DAPM controls that the CS4270 supports */
static const struct snd_kcontrol_new cs4270_snd_controls[] = {
@@ -525,14 +498,19 @@ static const struct snd_kcontrol_new cs4270_snd_controls[] = {
CS4270_VOLA, CS4270_VOLB, 0, 0xFF, 1)
};
+static const struct i2c_device_id cs4270_id[] = {
+ {"cs4270", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, cs4270_id);
+
static struct i2c_driver cs4270_i2c_driver = {
.driver = {
.name = "CS4270 I2C",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_CS4270,
- .attach_adapter = cs4270_i2c_attach,
- .detach_client = cs4270_i2c_detach,
+ .id_table = cs4270_id,
+ .probe = cs4270_i2c_probe,
};
/*
@@ -561,11 +539,11 @@ static struct snd_soc_device *cs4270_socdev;
* Note: snd_soc_new_pcms() must be called before this function can be called,
* because of snd_ctl_add().
*/
-static int cs4270_i2c_probe(struct i2c_adapter *adapter, int addr, int kind)
+static int cs4270_i2c_probe(struct i2c_client *i2c_client,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = cs4270_socdev;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c_client = NULL;
int i;
int ret = 0;
@@ -578,12 +556,6 @@ static int cs4270_i2c_probe(struct i2c_adapter *adapter, int addr, int kind)
/* Note: codec_dai->codec is NULL here */
- i2c_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!i2c_client) {
- printk(KERN_ERR "cs4270: could not allocate I2C client\n");
- return -ENOMEM;
- }
-
codec->reg_cache = kzalloc(CS4270_NUMREGS, GFP_KERNEL);
if (!codec->reg_cache) {
printk(KERN_ERR "cs4270: could not allocate register cache\n");
@@ -591,13 +563,6 @@ static int cs4270_i2c_probe(struct i2c_adapter *adapter, int addr, int kind)
goto error;
}
- i2c_set_clientdata(i2c_client, codec);
- strcpy(i2c_client->name, "CS4270");
-
- i2c_client->driver = &cs4270_i2c_driver;
- i2c_client->adapter = adapter;
- i2c_client->addr = addr;
-
/* Verify that we have a CS4270 */
ret = i2c_smbus_read_byte_data(i2c_client, CS4270_CHIPID);
@@ -612,18 +577,10 @@ static int cs4270_i2c_probe(struct i2c_adapter *adapter, int addr, int kind)
goto error;
}
- printk(KERN_INFO "cs4270: found device at I2C address %X\n", addr);
+ printk(KERN_INFO "cs4270: found device at I2C address %X\n",
+ i2c_client->addr);
printk(KERN_INFO "cs4270: hardware revision %X\n", ret & 0xF);
- /* Tell the I2C layer a new client has arrived */
-
- ret = i2c_attach_client(i2c_client);
- if (ret) {
- printk(KERN_ERR "cs4270: could not attach codec, "
- "I2C address %x, error code %i\n", addr, ret);
- goto error;
- }
-
codec->control_data = i2c_client;
codec->read = cs4270_read_reg_cache;
codec->write = cs4270_i2c_write;
@@ -648,20 +605,17 @@ static int cs4270_i2c_probe(struct i2c_adapter *adapter, int addr, int kind)
goto error;
}
+ i2c_set_clientdata(i2c_client, codec);
+
return 0;
error:
- if (codec->control_data) {
- i2c_detach_client(i2c_client);
- codec->control_data = NULL;
- }
+ codec->control_data = NULL;
kfree(codec->reg_cache);
codec->reg_cache = NULL;
codec->reg_cache_size = 0;
- kfree(i2c_client);
-
return ret;
}
@@ -727,7 +681,7 @@ static int cs4270_probe(struct platform_device *pdev)
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "cs4270: failed to create PCMs\n");
- return ret;
+ goto error_free_codec;
}
#ifdef USE_I2C
@@ -736,8 +690,7 @@ static int cs4270_probe(struct platform_device *pdev)
ret = i2c_add_driver(&cs4270_i2c_driver);
if (ret) {
printk(KERN_ERR "cs4270: failed to attach driver");
- snd_soc_free_pcms(socdev);
- return ret;
+ goto error_free_pcms;
}
/* Did we find a CS4270 on the I2C bus? */
@@ -759,10 +712,23 @@ static int cs4270_probe(struct platform_device *pdev)
ret = snd_soc_register_card(socdev);
if (ret < 0) {
printk(KERN_ERR "cs4270: failed to register card\n");
- snd_soc_free_pcms(socdev);
- return ret;
+ goto error_del_driver;
}
+ return 0;
+
+error_del_driver:
+#ifdef USE_I2C
+ i2c_del_driver(&cs4270_i2c_driver);
+
+error_free_pcms:
+#endif
+ snd_soc_free_pcms(socdev);
+
+error_free_codec:
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+
return ret;
}
@@ -773,8 +739,7 @@ static int cs4270_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
#ifdef USE_I2C
- if (socdev->codec->control_data)
- i2c_del_driver(&cs4270_i2c_driver);
+ i2c_del_driver(&cs4270_i2c_driver);
#endif
kfree(socdev->codec);
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
new file mode 100644
index 0000000..940ce1c
--- /dev/null
+++ b/sound/soc/codecs/ssm2602.c
@@ -0,0 +1,776 @@
+/*
+ * File: sound/soc/codecs/ssm2602.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: Driver for ssm2602 sound chip
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "ssm2602.h"
+
+#define AUDIO_NAME "ssm2602"
+#define SSM2602_VERSION "0.1"
+
+struct snd_soc_codec_device soc_codec_dev_ssm2602;
+
+/* codec private data */
+struct ssm2602_priv {
+ unsigned int sysclk;
+ struct snd_pcm_substream *master_substream;
+ struct snd_pcm_substream *slave_substream;
+};
+
+/*
+ * ssm2602 register cache
+ * We can't read the ssm2602 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ * There is no point in caching the reset register
+ */
+static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
+ 0x0017, 0x0017, 0x0079, 0x0079,
+ 0x0000, 0x0000, 0x0000, 0x000a,
+ 0x0000, 0x0000
+};
+
+/*
+ * read ssm2602 register cache
+ */
+static inline unsigned int ssm2602_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == SSM2602_RESET)
+ return 0;
+ if (reg >= SSM2602_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write ssm2602 register cache
+ */
+static inline void ssm2602_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= SSM2602_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the ssm2602 register space
+ */
+static int ssm2602_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 ssm2602 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ ssm2602_write_reg_cache(codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define ssm2602_reset(c) ssm2602_write(c, SSM2602_RESET, 0)
+
+/*Appending several "None"s just for OSS mixer use*/
+static const char *ssm2602_input_select[] = {
+ "Line", "Mic", "None", "None", "None",
+ "None", "None", "None",
+};
+
+static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
+
+static const struct soc_enum ssm2602_enum[] = {
+ SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select),
+ SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph),
+};
+
+static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
+
+SOC_DOUBLE_R("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
+ 0, 127, 0),
+SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
+ 7, 1, 0),
+
+SOC_DOUBLE_R("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 31, 0),
+SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
+
+SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
+SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
+
+SOC_SINGLE("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1),
+
+SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1),
+SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0),
+
+SOC_ENUM("Capture Source", ssm2602_enum[0]),
+
+SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]),
+};
+
+/* add non dapm controls */
+static int ssm2602_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(ssm2602_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&ssm2602_snd_controls[i], codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Output Mixer */
+static const struct snd_kcontrol_new ssm2602_output_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0),
+SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
+SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0),
+};
+
+/* Input mux */
+static const struct snd_kcontrol_new ssm2602_input_mux_controls =
+SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]);
+
+static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1,
+ &ssm2602_output_mixer_controls[0],
+ ARRAY_SIZE(ssm2602_output_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
+SND_SOC_DAPM_OUTPUT("LOUT"),
+SND_SOC_DAPM_OUTPUT("LHPOUT"),
+SND_SOC_DAPM_OUTPUT("ROUT"),
+SND_SOC_DAPM_OUTPUT("RHPOUT"),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
+SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls),
+SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
+SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1),
+SND_SOC_DAPM_INPUT("MICIN"),
+SND_SOC_DAPM_INPUT("RLINEIN"),
+SND_SOC_DAPM_INPUT("LLINEIN"),
+};
+
+static const struct snd_soc_dapm_route audio_conn[] = {
+ /* output mixer */
+ {"Output Mixer", "Line Bypass Switch", "Line Input"},
+ {"Output Mixer", "HiFi Playback Switch", "DAC"},
+ {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
+
+ /* outputs */
+ {"RHPOUT", NULL, "Output Mixer"},
+ {"ROUT", NULL, "Output Mixer"},
+ {"LHPOUT", NULL, "Output Mixer"},
+ {"LOUT", NULL, "Output Mixer"},
+
+ /* input mux */
+ {"Input Mux", "Line", "Line Input"},
+ {"Input Mux", "Mic", "Mic Bias"},
+ {"ADC", NULL, "Input Mux"},
+
+ /* inputs */
+ {"Line Input", NULL, "LLINEIN"},
+ {"Line Input", NULL, "RLINEIN"},
+ {"Mic Bias", NULL, "MICIN"},
+};
+
+static int ssm2602_add_widgets(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_new_controls(codec, ssm2602_dapm_widgets,
+ ARRAY_SIZE(ssm2602_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, audio_conn, ARRAY_SIZE(audio_conn));
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:4;
+ u8 bosr:1;
+ u8 usb:1;
+};
+
+/* codec mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0, 0x0},
+ {18432000, 48000, 384, 0x0, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x0, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0x6, 0x0, 0x0},
+ {18432000, 32000, 576, 0x6, 0x1, 0x0},
+ {12000000, 32000, 375, 0x6, 0x0, 0x1},
+
+ /* 8k */
+ {12288000, 8000, 1536, 0x3, 0x0, 0x0},
+ {18432000, 8000, 2304, 0x3, 0x1, 0x0},
+ {11289600, 8000, 1408, 0xb, 0x0, 0x0},
+ {16934400, 8000, 2112, 0xb, 0x1, 0x0},
+ {12000000, 8000, 1500, 0x3, 0x0, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0x7, 0x0, 0x0},
+ {18432000, 96000, 192, 0x7, 0x1, 0x0},
+ {12000000, 96000, 125, 0x7, 0x0, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x8, 0x0, 0x0},
+ {16934400, 44100, 384, 0x8, 0x1, 0x0},
+ {12000000, 44100, 272, 0x8, 0x1, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0xf, 0x0, 0x0},
+ {16934400, 88200, 192, 0xf, 0x1, 0x0},
+ {12000000, 88200, 136, 0xf, 0x1, 0x1},
+};
+
+static inline int get_coeff(int mclk, int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+ if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+ return i;
+ }
+ return i;
+}
+
+static int ssm2602_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ u16 srate;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct ssm2602_priv *ssm2602 = codec->private_data;
+ u16 iface = ssm2602_read_reg_cache(codec, SSM2602_IFACE) & 0xfff3;
+ int i = get_coeff(ssm2602->sysclk, params_rate(params));
+
+ /*no match is found*/
+ if (i == ARRAY_SIZE(coeff_div))
+ return -EINVAL;
+
+ srate = (coeff_div[i].sr << 2) |
+ (coeff_div[i].bosr << 1) | coeff_div[i].usb;
+
+ ssm2602_write(codec, SSM2602_ACTIVE, 0);
+ ssm2602_write(codec, SSM2602_SRATE, srate);
+
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ iface |= 0x0008;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ iface |= 0x000c;
+ break;
+ }
+ ssm2602_write(codec, SSM2602_IFACE, iface);
+ ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
+ return 0;
+}
+
+static int ssm2602_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct ssm2602_priv *ssm2602 = codec->private_data;
+ struct snd_pcm_runtime *master_runtime;
+
+ /* The DAI has shared clocks so if we already have a playback or
+ * capture going then constrain this substream to match it.
+ */
+ if (ssm2602->master_substream) {
+ master_runtime = ssm2602->master_substream->runtime;
+ snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE,
+ master_runtime->rate,
+ master_runtime->rate);
+
+ snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
+ master_runtime->sample_bits,
+ master_runtime->sample_bits);
+
+ ssm2602->slave_substream = substream;
+ } else
+ ssm2602->master_substream = substream;
+
+ return 0;
+}
+
+static int ssm2602_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ /* set active */
+ ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
+
+ return 0;
+}
+
+static void ssm2602_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ /* deactivate */
+ if (!codec->active)
+ ssm2602_write(codec, SSM2602_ACTIVE, 0);
+}
+
+static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 mute_reg = ssm2602_read_reg_cache(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE;
+ if (mute)
+ ssm2602_write(codec, SSM2602_APDIGI,
+ mute_reg | APDIGI_ENABLE_DAC_MUTE);
+ else
+ ssm2602_write(codec, SSM2602_APDIGI, mute_reg);
+ return 0;
+}
+
+static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct ssm2602_priv *ssm2602 = codec->private_data;
+ switch (freq) {
+ case 11289600:
+ case 12000000:
+ case 12288000:
+ case 16934400:
+ case 18432000:
+ ssm2602->sysclk = freq;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 iface = 0;
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface |= 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* set iface */
+ ssm2602_write(codec, SSM2602_IFACE, iface);
+ return 0;
+}
+
+static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ u16 reg = ssm2602_read_reg_cache(codec, SSM2602_PWR) & 0xff7f;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ /* vref/mid, osc on, dac unmute */
+ ssm2602_write(codec, SSM2602_PWR, reg);
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ /* everything off except vref/vmid, */
+ ssm2602_write(codec, SSM2602_PWR, reg | PWR_CLK_OUT_PDN);
+ break;
+ case SND_SOC_BIAS_OFF:
+ /* everything off, dac mute, inactive */
+ ssm2602_write(codec, SSM2602_ACTIVE, 0);
+ ssm2602_write(codec, SSM2602_PWR, 0xffff);
+ break;
+
+ }
+ codec->bias_level = level;
+ return 0;
+}
+
+#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000)
+
+struct snd_soc_dai ssm2602_dai = {
+ .name = "SSM2602",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SSM2602_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,},
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SSM2602_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,},
+ .ops = {
+ .startup = ssm2602_startup,
+ .prepare = ssm2602_pcm_prepare,
+ .hw_params = ssm2602_hw_params,
+ .shutdown = ssm2602_shutdown,
+ },
+ .dai_ops = {
+ .digital_mute = ssm2602_mute,
+ .set_sysclk = ssm2602_set_dai_sysclk,
+ .set_fmt = ssm2602_set_dai_fmt,
+ }
+};
+EXPORT_SYMBOL_GPL(ssm2602_dai);
+
+static int ssm2602_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
+}
+
+static int ssm2602_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(ssm2602_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ ssm2602_set_bias_level(codec, codec->suspend_bias_level);
+ return 0;
+}
+
+/*
+ * initialise the ssm2602 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int ssm2602_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "SSM2602";
+ codec->owner = THIS_MODULE;
+ codec->read = ssm2602_read_reg_cache;
+ codec->write = ssm2602_write;
+ codec->set_bias_level = ssm2602_set_bias_level;
+ codec->dai = &ssm2602_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = sizeof(ssm2602_reg);
+ codec->reg_cache = kmemdup(ssm2602_reg, sizeof(ssm2602_reg),
+ GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+
+ ssm2602_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ pr_err("ssm2602: failed to create pcms\n");
+ goto pcm_err;
+ }
+ /*power on device*/
+ ssm2602_write(codec, SSM2602_ACTIVE, 0);
+ /* set the update bits */
+ reg = ssm2602_read_reg_cache(codec, SSM2602_LINVOL);
+ ssm2602_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
+ reg = ssm2602_read_reg_cache(codec, SSM2602_RINVOL);
+ ssm2602_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH);
+ reg = ssm2602_read_reg_cache(codec, SSM2602_LOUT1V);
+ ssm2602_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH);
+ reg = ssm2602_read_reg_cache(codec, SSM2602_ROUT1V);
+ ssm2602_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
+ /*select Line in as default input*/
+ ssm2602_write(codec, SSM2602_APANA,
+ APANA_ENABLE_MIC_BOOST2 | APANA_SELECT_DAC |
+ APANA_ENABLE_MIC_BOOST);
+ ssm2602_write(codec, SSM2602_PWR, 0);
+
+ ssm2602_add_controls(codec);
+ ssm2602_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ pr_err("ssm2602: failed to register card\n");
+ goto card_err;
+ }
+
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ kfree(codec->reg_cache);
+ return ret;
+}
+
+static struct snd_soc_device *ssm2602_socdev;
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+/*
+ * ssm2602 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+static int ssm2602_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct snd_soc_device *socdev = ssm2602_socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret;
+
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = ssm2602_init(socdev);
+ if (ret < 0)
+ pr_err("failed to initialise SSM2602\n");
+
+ return ret;
+}
+
+static int ssm2602_i2c_remove(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ kfree(codec->reg_cache);
+ return 0;
+}
+
+static const struct i2c_device_id ssm2602_i2c_id[] = {
+ { "ssm2602", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
+/* corgi i2c codec control layer */
+static struct i2c_driver ssm2602_i2c_driver = {
+ .driver = {
+ .name = "SSM2602 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = ssm2602_i2c_probe,
+ .remove = ssm2602_i2c_remove,
+ .id_table = ssm2602_i2c_id,
+};
+
+static int ssm2602_add_i2c_device(struct platform_device *pdev,
+ const struct ssm2602_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&ssm2602_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "ssm2602", I2C_NAME_SIZE);
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+ return 0;
+err_driver:
+ i2c_del_driver(&ssm2602_i2c_driver);
+ return -ENODEV;
+}
+#endif
+
+static int ssm2602_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct ssm2602_setup_data *setup;
+ struct snd_soc_codec *codec;
+ struct ssm2602_priv *ssm2602;
+ int ret = 0;
+
+ pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL);
+ if (ssm2602 == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+
+ codec->private_data = ssm2602;
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ ssm2602_socdev = socdev;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = ssm2602_add_i2c_device(pdev, setup);
+ }
+#else
+ /* other interfaces */
+#endif
+ return ret;
+}
+
+/* remove everything here */
+static int ssm2602_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
+ i2c_del_driver(&ssm2602_i2c_driver);
+#endif
+ kfree(codec->private_data);
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_ssm2602 = {
+ .probe = ssm2602_probe,
+ .remove = ssm2602_remove,
+ .suspend = ssm2602_suspend,
+ .resume = ssm2602_resume,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_ssm2602);
+
+MODULE_DESCRIPTION("ASoC ssm2602 driver");
+MODULE_AUTHOR("Cliff Cai");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/ssm2602.h b/sound/soc/codecs/ssm2602.h
new file mode 100644
index 0000000..f344e6d
--- /dev/null
+++ b/sound/soc/codecs/ssm2602.h
@@ -0,0 +1,130 @@
+/*
+ * File: sound/soc/codecs/ssm2602.h
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _SSM2602_H
+#define _SSM2602_H
+
+/* SSM2602 Codec Register definitions */
+
+#define SSM2602_LINVOL 0x00
+#define SSM2602_RINVOL 0x01
+#define SSM2602_LOUT1V 0x02
+#define SSM2602_ROUT1V 0x03
+#define SSM2602_APANA 0x04
+#define SSM2602_APDIGI 0x05
+#define SSM2602_PWR 0x06
+#define SSM2602_IFACE 0x07
+#define SSM2602_SRATE 0x08
+#define SSM2602_ACTIVE 0x09
+#define SSM2602_RESET 0x0f
+
+/*SSM2602 Codec Register Field definitions
+ *(Mask value to extract the corresponding Register field)
+ */
+
+/*Left ADC Volume Control (SSM2602_REG_LEFT_ADC_VOL)*/
+#define LINVOL_LIN_VOL 0x01F /* Left Channel PGA Volume control */
+#define LINVOL_LIN_ENABLE_MUTE 0x080 /* Left Channel Input Mute */
+#define LINVOL_LRIN_BOTH 0x100 /* Left Channel Line Input Volume update */
+
+/*Right ADC Volume Control (SSM2602_REG_RIGHT_ADC_VOL)*/
+#define RINVOL_RIN_VOL 0x01F /* Right Channel PGA Volume control */
+#define RINVOL_RIN_ENABLE_MUTE 0x080 /* Right Channel Input Mute */
+#define RINVOL_RLIN_BOTH 0x100 /* Right Channel Line Input Volume update */
+
+/*Left DAC Volume Control (SSM2602_REG_LEFT_DAC_VOL)*/
+#define LOUT1V_LHP_VOL 0x07F /* Left Channel Headphone volume control */
+#define LOUT1V_ENABLE_LZC 0x080 /* Left Channel Zero cross detect enable */
+#define LOUT1V_LRHP_BOTH 0x100 /* Left Channel Headphone volume update */
+
+/*Right DAC Volume Control (SSM2602_REG_RIGHT_DAC_VOL)*/
+#define ROUT1V_RHP_VOL 0x07F /* Right Channel Headphone volume control */
+#define ROUT1V_ENABLE_RZC 0x080 /* Right Channel Zero cross detect enable */
+#define ROUT1V_RLHP_BOTH 0x100 /* Right Channel Headphone volume update */
+
+/*Analogue Audio Path Control (SSM2602_REG_ANALOGUE_PATH)*/
+#define APANA_ENABLE_MIC_BOOST 0x001 /* Primary Microphone Amplifier gain booster control */
+#define APANA_ENABLE_MIC_MUTE 0x002 /* Microphone Mute Control */
+#define APANA_ADC_IN_SELECT 0x004 /* Microphone/Line IN select to ADC (1=MIC, 0=Line In) */
+#define APANA_ENABLE_BYPASS 0x008 /* Line input bypass to line output */
+#define APANA_SELECT_DAC 0x010 /* Select DAC (1=Select DAC, 0=Don't Select DAC) */
+#define APANA_ENABLE_SIDETONE 0x020 /* Enable/Disable Side Tone */
+#define APANA_SIDETONE_ATTN 0x0C0 /* Side Tone Attenuation */
+#define APANA_ENABLE_MIC_BOOST2 0x100 /* Secondary Microphone Amplifier gain booster control */
+
+/*Digital Audio Path Control (SSM2602_REG_DIGITAL_PATH)*/
+#define APDIGI_ENABLE_ADC_HPF 0x001 /* Enable/Disable ADC Highpass Filter */
+#define APDIGI_DE_EMPHASIS 0x006 /* De-Emphasis Control */
+#define APDIGI_ENABLE_DAC_MUTE 0x008 /* DAC Mute Control */
+#define APDIGI_STORE_OFFSET 0x010 /* Store/Clear DC offset when HPF is disabled */
+
+/*Power Down Control (SSM2602_REG_POWER)
+ *(1=Enable PowerDown, 0=Disable PowerDown)
+ */
+#define PWR_LINE_IN_PDN 0x001 /* Line Input Power Down */
+#define PWR_MIC_PDN 0x002 /* Microphone Input & Bias Power Down */
+#define PWR_ADC_PDN 0x004 /* ADC Power Down */
+#define PWR_DAC_PDN 0x008 /* DAC Power Down */
+#define PWR_OUT_PDN 0x010 /* Outputs Power Down */
+#define PWR_OSC_PDN 0x020 /* Oscillator Power Down */
+#define PWR_CLK_OUT_PDN 0x040 /* CLKOUT Power Down */
+#define PWR_POWER_OFF 0x080 /* POWEROFF Mode */
+
+/*Digital Audio Interface Format (SSM2602_REG_DIGITAL_IFACE)*/
+#define IFACE_IFACE_FORMAT 0x003 /* Digital Audio input format control */
+#define IFACE_AUDIO_DATA_LEN 0x00C /* Audio Data word length control */
+#define IFACE_DAC_LR_POLARITY 0x010 /* Polarity Control for clocks in RJ,LJ and I2S modes */
+#define IFACE_DAC_LR_SWAP 0x020 /* Swap DAC data control */
+#define IFACE_ENABLE_MASTER 0x040 /* Enable/Disable Master Mode */
+#define IFACE_BCLK_INVERT 0x080 /* Bit Clock Inversion control */
+
+/*Sampling Control (SSM2602_REG_SAMPLING_CTRL)*/
+#define SRATE_ENABLE_USB_MODE 0x001 /* Enable/Disable USB Mode */
+#define SRATE_BOS_RATE 0x002 /* Base Over-Sampling rate */
+#define SRATE_SAMPLE_RATE 0x03C /* Clock setting condition (Sampling rate control) */
+#define SRATE_CORECLK_DIV2 0x040 /* Core Clock divider select */
+#define SRATE_CLKOUT_DIV2 0x080 /* Clock Out divider select */
+
+/*Active Control (SSM2602_REG_ACTIVE_CTRL)*/
+#define ACTIVE_ACTIVATE_CODEC 0x001 /* Activate Codec Digital Audio Interface */
+
+/*********************************************************************/
+
+#define SSM2602_CACHEREGNUM 10
+
+#define SSM2602_SYSCLK 0
+#define SSM2602_DAI 0
+
+struct ssm2602_setup_data {
+ int i2c_bus;
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_dai ssm2602_dai;
+extern struct snd_soc_codec_device soc_codec_dev_ssm2602;
+
+#endif
diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c
new file mode 100644
index 0000000..bed8a9e
--- /dev/null
+++ b/sound/soc/codecs/tlv320aic26.c
@@ -0,0 +1,520 @@
+/*
+ * Texas Instruments TLV320AIC26 low power audio CODEC
+ * ALSA SoC CODEC driver
+ *
+ * Copyright (C) 2008 Secret Lab Technologies Ltd.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/device.h>
+#include <linux/sysfs.h>
+#include <linux/spi/spi.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/soc-of-simple.h>
+#include <sound/initval.h>
+
+#include "tlv320aic26.h"
+
+MODULE_DESCRIPTION("ASoC TLV320AIC26 codec driver");
+MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
+MODULE_LICENSE("GPL");
+
+/* AIC26 driver private data */
+struct aic26 {
+ struct spi_device *spi;
+ struct snd_soc_codec codec;
+ u16 reg_cache[AIC26_NUM_REGS]; /* shadow registers */
+ int master;
+ int datfm;
+ int mclk;
+
+ /* Keyclick parameters */
+ int keyclick_amplitude;
+ int keyclick_freq;
+ int keyclick_len;
+};
+
+/* ---------------------------------------------------------------------
+ * Register access routines
+ */
+static unsigned int aic26_reg_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ struct aic26 *aic26 = codec->private_data;
+ u16 *cache = codec->reg_cache;
+ u16 cmd, value;
+ u8 buffer[2];
+ int rc;
+
+ if (reg >= AIC26_NUM_REGS) {
+ WARN_ON_ONCE(1);
+ return 0;
+ }
+
+ /* Do SPI transfer; first 16bits are command; remaining is
+ * register contents */
+ cmd = AIC26_READ_COMMAND_WORD(reg);
+ buffer[0] = (cmd >> 8) & 0xff;
+ buffer[1] = cmd & 0xff;
+ rc = spi_write_then_read(aic26->spi, buffer, 2, buffer, 2);
+ if (rc) {
+ dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
+ return -EIO;
+ }
+ value = (buffer[0] << 8) | buffer[1];
+
+ /* Update the cache before returning with the value */
+ cache[reg] = value;
+ return value;
+}
+
+static unsigned int aic26_reg_read_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+
+ if (reg >= AIC26_NUM_REGS) {
+ WARN_ON_ONCE(1);
+ return 0;
+ }
+
+ return cache[reg];
+}
+
+static int aic26_reg_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ struct aic26 *aic26 = codec->private_data;
+ u16 *cache = codec->reg_cache;
+ u16 cmd;
+ u8 buffer[4];
+ int rc;
+
+ if (reg >= AIC26_NUM_REGS) {
+ WARN_ON_ONCE(1);
+ return -EINVAL;
+ }
+
+ /* Do SPI transfer; first 16bits are command; remaining is data
+ * to write into register */
+ cmd = AIC26_WRITE_COMMAND_WORD(reg);
+ buffer[0] = (cmd >> 8) & 0xff;
+ buffer[1] = cmd & 0xff;
+ buffer[2] = value >> 8;
+ buffer[3] = value;
+ rc = spi_write(aic26->spi, buffer, 4);
+ if (rc) {
+ dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
+ return -EIO;
+ }
+
+ /* update cache before returning */
+ cache[reg] = value;
+ return 0;
+}
+
+/* ---------------------------------------------------------------------
+ * Digital Audio Interface Operations
+ */
+static int aic26_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct aic26 *aic26 = codec->private_data;
+ int fsref, divisor, wlen, pval, jval, dval, qval;
+ u16 reg;
+
+ dev_dbg(&aic26->spi->dev, "aic26_hw_params(substream=%p, params=%p)\n",
+ substream, params);
+ dev_dbg(&aic26->spi->dev, "rate=%i format=%i\n", params_rate(params),
+ params_format(params));
+
+ switch (params_rate(params)) {
+ case 8000: fsref = 48000; divisor = AIC26_DIV_6; break;
+ case 11025: fsref = 44100; divisor = AIC26_DIV_4; break;
+ case 12000: fsref = 48000; divisor = AIC26_DIV_4; break;
+ case 16000: fsref = 48000; divisor = AIC26_DIV_3; break;
+ case 22050: fsref = 44100; divisor = AIC26_DIV_2; break;
+ case 24000: fsref = 48000; divisor = AIC26_DIV_2; break;
+ case 32000: fsref = 48000; divisor = AIC26_DIV_1_5; break;
+ case 44100: fsref = 44100; divisor = AIC26_DIV_1; break;
+ case 48000: fsref = 48000; divisor = AIC26_DIV_1; break;
+ default:
+ dev_dbg(&aic26->spi->dev, "bad rate\n"); return -EINVAL;
+ }
+
+ /* select data word length */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S8: wlen = AIC26_WLEN_16; break;
+ case SNDRV_PCM_FORMAT_S16_BE: wlen = AIC26_WLEN_16; break;
+ case SNDRV_PCM_FORMAT_S24_BE: wlen = AIC26_WLEN_24; break;
+ case SNDRV_PCM_FORMAT_S32_BE: wlen = AIC26_WLEN_32; break;
+ default:
+ dev_dbg(&aic26->spi->dev, "bad format\n"); return -EINVAL;
+ }
+
+ /* Configure PLL */
+ pval = 1;
+ jval = (fsref == 44100) ? 7 : 8;
+ dval = (fsref == 44100) ? 5264 : 1920;
+ qval = 0;
+ reg = 0x8000 | qval << 11 | pval << 8 | jval << 2;
+ aic26_reg_write(codec, AIC26_REG_PLL_PROG1, reg);
+ reg = dval << 2;
+ aic26_reg_write(codec, AIC26_REG_PLL_PROG2, reg);
+
+ /* Audio Control 3 (master mode, fsref rate) */
+ reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL3);
+ reg &= ~0xf800;
+ if (aic26->master)
+ reg |= 0x0800;
+ if (fsref == 48000)
+ reg |= 0x2000;
+ aic26_reg_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
+
+ /* Audio Control 1 (FSref divisor) */
+ reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL1);
+ reg &= ~0x0fff;
+ reg |= wlen | aic26->datfm | (divisor << 3) | divisor;
+ aic26_reg_write(codec, AIC26_REG_AUDIO_CTRL1, reg);
+
+ return 0;
+}
+
+/**
+ * aic26_mute - Mute control to reduce noise when changing audio format
+ */
+static int aic26_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct aic26 *aic26 = codec->private_data;
+ u16 reg = aic26_reg_read_cache(codec, AIC26_REG_DAC_GAIN);
+
+ dev_dbg(&aic26->spi->dev, "aic26_mute(dai=%p, mute=%i)\n",
+ dai, mute);
+
+ if (mute)
+ reg |= 0x8080;
+ else
+ reg &= ~0x8080;
+ aic26_reg_write(codec, AIC26_REG_DAC_GAIN, reg);
+
+ return 0;
+}
+
+static int aic26_set_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct aic26 *aic26 = codec->private_data;
+
+ dev_dbg(&aic26->spi->dev, "aic26_set_sysclk(dai=%p, clk_id==%i,"
+ " freq=%i, dir=%i)\n",
+ codec_dai, clk_id, freq, dir);
+
+ /* MCLK needs to fall between 2MHz and 50 MHz */
+ if ((freq < 2000000) || (freq > 50000000))
+ return -EINVAL;
+
+ aic26->mclk = freq;
+ return 0;
+}
+
+static int aic26_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct aic26 *aic26 = codec->private_data;
+
+ dev_dbg(&aic26->spi->dev, "aic26_set_fmt(dai=%p, fmt==%i)\n",
+ codec_dai, fmt);
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM: aic26->master = 1; break;
+ case SND_SOC_DAIFMT_CBS_CFS: aic26->master = 0; break;
+ default:
+ dev_dbg(&aic26->spi->dev, "bad master\n"); return -EINVAL;
+ }
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S: aic26->datfm = AIC26_DATFM_I2S; break;
+ case SND_SOC_DAIFMT_DSP_A: aic26->datfm = AIC26_DATFM_DSP; break;
+ case SND_SOC_DAIFMT_RIGHT_J: aic26->datfm = AIC26_DATFM_RIGHTJ; break;
+ case SND_SOC_DAIFMT_LEFT_J: aic26->datfm = AIC26_DATFM_LEFTJ; break;
+ default:
+ dev_dbg(&aic26->spi->dev, "bad format\n"); return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* ---------------------------------------------------------------------
+ * Digital Audio Interface Definition
+ */
+#define AIC26_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
+ SNDRV_PCM_RATE_48000)
+#define AIC26_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE |\
+ SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE)
+
+struct snd_soc_dai aic26_dai = {
+ .name = "tlv320aic26",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = AIC26_RATES,
+ .formats = AIC26_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = AIC26_RATES,
+ .formats = AIC26_FORMATS,
+ },
+ .ops = {
+ .hw_params = aic26_hw_params,
+ },
+ .dai_ops = {
+ .digital_mute = aic26_mute,
+ .set_sysclk = aic26_set_sysclk,
+ .set_fmt = aic26_set_fmt,
+ },
+};
+EXPORT_SYMBOL_GPL(aic26_dai);
+
+/* ---------------------------------------------------------------------
+ * ALSA controls
+ */
+static const char *aic26_capture_src_text[] = {"Mic", "Aux"};
+static const struct soc_enum aic26_capture_src_enum =
+ SOC_ENUM_SINGLE(AIC26_REG_AUDIO_CTRL1, 12, 2, aic26_capture_src_text);
+
+static const struct snd_kcontrol_new aic26_snd_controls[] = {
+ /* Output */
+ SOC_DOUBLE("PCM Playback Volume", AIC26_REG_DAC_GAIN, 8, 0, 0x7f, 1),
+ SOC_DOUBLE("PCM Playback Switch", AIC26_REG_DAC_GAIN, 15, 7, 1, 1),
+ SOC_SINGLE("PCM Capture Volume", AIC26_REG_ADC_GAIN, 8, 0x7f, 0),
+ SOC_SINGLE("PCM Capture Mute", AIC26_REG_ADC_GAIN, 15, 1, 1),
+ SOC_SINGLE("Keyclick activate", AIC26_REG_AUDIO_CTRL2, 15, 0x1, 0),
+ SOC_SINGLE("Keyclick amplitude", AIC26_REG_AUDIO_CTRL2, 12, 0x7, 0),
+ SOC_SINGLE("Keyclick frequency", AIC26_REG_AUDIO_CTRL2, 8, 0x7, 0),
+ SOC_SINGLE("Keyclick period", AIC26_REG_AUDIO_CTRL2, 4, 0xf, 0),
+ SOC_ENUM("Capture Source", aic26_capture_src_enum),
+};
+
+/* ---------------------------------------------------------------------
+ * SoC CODEC portion of driver: probe and release routines
+ */
+static int aic26_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ struct snd_kcontrol *kcontrol;
+ struct aic26 *aic26;
+ int i, ret, err;
+
+ dev_info(&pdev->dev, "Probing AIC26 SoC CODEC driver\n");
+ dev_dbg(&pdev->dev, "socdev=%p\n", socdev);
+ dev_dbg(&pdev->dev, "codec_data=%p\n", socdev->codec_data);
+
+ /* Fetch the relevant aic26 private data here (it's already been
+ * stored in the .codec pointer) */
+ aic26 = socdev->codec_data;
+ if (aic26 == NULL) {
+ dev_err(&pdev->dev, "aic26: missing codec pointer\n");
+ return -ENODEV;
+ }
+ codec = &aic26->codec;
+ socdev->codec = codec;
+
+ dev_dbg(&pdev->dev, "Registering PCMs, dev=%p, socdev->dev=%p\n",
+ &pdev->dev, socdev->dev);
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "aic26: failed to create pcms\n");
+ return -ENODEV;
+ }
+
+ /* register controls */
+ dev_dbg(&pdev->dev, "Registering controls\n");
+ for (i = 0; i < ARRAY_SIZE(aic26_snd_controls); i++) {
+ kcontrol = snd_soc_cnew(&aic26_snd_controls[i], codec, NULL);
+ err = snd_ctl_add(codec->card, kcontrol);
+ WARN_ON(err < 0);
+ }
+
+ /* CODEC is setup, we can register the card now */
+ dev_dbg(&pdev->dev, "Registering card\n");
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "aic26: failed to register card\n");
+ goto card_err;
+ }
+ return 0;
+
+ card_err:
+ snd_soc_free_pcms(socdev);
+ return ret;
+}
+
+static int aic26_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ snd_soc_free_pcms(socdev);
+ return 0;
+}
+
+struct snd_soc_codec_device aic26_soc_codec_dev = {
+ .probe = aic26_probe,
+ .remove = aic26_remove,
+};
+EXPORT_SYMBOL_GPL(aic26_soc_codec_dev);
+
+/* ---------------------------------------------------------------------
+ * SPI device portion of driver: sysfs files for debugging
+ */
+
+static ssize_t aic26_keyclick_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct aic26 *aic26 = dev_get_drvdata(dev);
+ int val, amp, freq, len;
+
+ val = aic26_reg_read_cache(&aic26->codec, AIC26_REG_AUDIO_CTRL2);
+ amp = (val >> 12) & 0x7;
+ freq = (125 << ((val >> 8) & 0x7)) >> 1;
+ len = 2 * (1 + ((val >> 4) & 0xf));
+
+ return sprintf(buf, "amp=%x freq=%iHz len=%iclks\n", amp, freq, len);
+}
+
+/* Any write to the keyclick attribute will trigger the keyclick event */
+static ssize_t aic26_keyclick_set(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct aic26 *aic26 = dev_get_drvdata(dev);
+ int val;
+
+ val = aic26_reg_read_cache(&aic26->codec, AIC26_REG_AUDIO_CTRL2);
+ val |= 0x8000;
+ aic26_reg_write(&aic26->codec, AIC26_REG_AUDIO_CTRL2, val);
+
+ return count;
+}
+
+static DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set);
+
+/* ---------------------------------------------------------------------
+ * SPI device portion of driver: probe and release routines and SPI
+ * driver registration.
+ */
+static int aic26_spi_probe(struct spi_device *spi)
+{
+ struct aic26 *aic26;
+ int rc, i, reg;
+
+ dev_dbg(&spi->dev, "probing tlv320aic26 spi device\n");
+
+ /* Allocate driver data */
+ aic26 = kzalloc(sizeof *aic26, GFP_KERNEL);
+ if (!aic26)
+ return -ENOMEM;
+
+ /* Initialize the driver data */
+ aic26->spi = spi;
+ dev_set_drvdata(&spi->dev, aic26);
+
+ /* Setup what we can in the codec structure so that the register
+ * access functions will work as expected. More will be filled
+ * out when it is probed by the SoC CODEC part of this driver */
+ aic26->codec.private_data = aic26;
+ aic26->codec.name = "aic26";
+ aic26->codec.owner = THIS_MODULE;
+ aic26->codec.dai = &aic26_dai;
+ aic26->codec.num_dai = 1;
+ aic26->codec.read = aic26_reg_read;
+ aic26->codec.write = aic26_reg_write;
+ aic26->master = 1;
+ mutex_init(&aic26->codec.mutex);
+ INIT_LIST_HEAD(&aic26->codec.dapm_widgets);
+ INIT_LIST_HEAD(&aic26->codec.dapm_paths);
+ aic26->codec.reg_cache_size = AIC26_NUM_REGS;
+ aic26->codec.reg_cache = aic26->reg_cache;
+
+ /* Reset the codec to power on defaults */
+ aic26_reg_write(&aic26->codec, AIC26_REG_RESET, 0xBB00);
+
+ /* Power up CODEC */
+ aic26_reg_write(&aic26->codec, AIC26_REG_POWER_CTRL, 0);
+
+ /* Audio Control 3 (master mode, fsref rate) */
+ reg = aic26_reg_read(&aic26->codec, AIC26_REG_AUDIO_CTRL3);
+ reg &= ~0xf800;
+ reg |= 0x0800; /* set master mode */
+ aic26_reg_write(&aic26->codec, AIC26_REG_AUDIO_CTRL3, reg);
+
+ /* Fill register cache */
+ for (i = 0; i < ARRAY_SIZE(aic26->reg_cache); i++)
+ aic26_reg_read(&aic26->codec, i);
+
+ /* Register the sysfs files for debugging */
+ /* Create SysFS files */
+ rc = device_create_file(&spi->dev, &dev_attr_keyclick);
+ if (rc)
+ dev_info(&spi->dev, "error creating sysfs files\n");
+
+#if defined(CONFIG_SND_SOC_OF_SIMPLE)
+ /* Tell the of_soc helper about this codec */
+ of_snd_soc_register_codec(&aic26_soc_codec_dev, aic26, &aic26_dai,
+ spi->dev.archdata.of_node);
+#endif
+
+ dev_dbg(&spi->dev, "SPI device initialized\n");
+ return 0;
+}
+
+static int aic26_spi_remove(struct spi_device *spi)
+{
+ struct aic26 *aic26 = dev_get_drvdata(&spi->dev);
+
+ kfree(aic26);
+
+ return 0;
+}
+
+static struct spi_driver aic26_spi = {
+ .driver = {
+ .name = "tlv320aic26",
+ .owner = THIS_MODULE,
+ },
+ .probe = aic26_spi_probe,
+ .remove = aic26_spi_remove,
+};
+
+static int __init aic26_init(void)
+{
+ return spi_register_driver(&aic26_spi);
+}
+module_init(aic26_init);
+
+static void __exit aic26_exit(void)
+{
+ spi_unregister_driver(&aic26_spi);
+}
+module_exit(aic26_exit);
diff --git a/sound/soc/codecs/tlv320aic26.h b/sound/soc/codecs/tlv320aic26.h
new file mode 100644
index 0000000..786ba16
--- /dev/null
+++ b/sound/soc/codecs/tlv320aic26.h
@@ -0,0 +1,96 @@
+/*
+ * Texas Instruments TLV320AIC26 low power audio CODEC
+ * register definitions
+ *
+ * Copyright (C) 2008 Secret Lab Technologies Ltd.
+ */
+
+#ifndef _TLV320AIC16_H_
+#define _TLV320AIC16_H_
+
+/* AIC26 Registers */
+#define AIC26_READ_COMMAND_WORD(addr) ((1 << 15) | (addr << 5))
+#define AIC26_WRITE_COMMAND_WORD(addr) ((0 << 15) | (addr << 5))
+#define AIC26_PAGE_ADDR(page, offset) ((page << 6) | offset)
+#define AIC26_NUM_REGS AIC26_PAGE_ADDR(3, 0)
+
+/* Page 0: Auxillary data registers */
+#define AIC26_REG_BAT1 AIC26_PAGE_ADDR(0, 0x05)
+#define AIC26_REG_BAT2 AIC26_PAGE_ADDR(0, 0x06)
+#define AIC26_REG_AUX AIC26_PAGE_ADDR(0, 0x07)
+#define AIC26_REG_TEMP1 AIC26_PAGE_ADDR(0, 0x09)
+#define AIC26_REG_TEMP2 AIC26_PAGE_ADDR(0, 0x0A)
+
+/* Page 1: Auxillary control registers */
+#define AIC26_REG_AUX_ADC AIC26_PAGE_ADDR(1, 0x00)
+#define AIC26_REG_STATUS AIC26_PAGE_ADDR(1, 0x01)
+#define AIC26_REG_REFERENCE AIC26_PAGE_ADDR(1, 0x03)
+#define AIC26_REG_RESET AIC26_PAGE_ADDR(1, 0x04)
+
+/* Page 2: Audio control registers */
+#define AIC26_REG_AUDIO_CTRL1 AIC26_PAGE_ADDR(2, 0x00)
+#define AIC26_REG_ADC_GAIN AIC26_PAGE_ADDR(2, 0x01)
+#define AIC26_REG_DAC_GAIN AIC26_PAGE_ADDR(2, 0x02)
+#define AIC26_REG_SIDETONE AIC26_PAGE_ADDR(2, 0x03)
+#define AIC26_REG_AUDIO_CTRL2 AIC26_PAGE_ADDR(2, 0x04)
+#define AIC26_REG_POWER_CTRL AIC26_PAGE_ADDR(2, 0x05)
+#define AIC26_REG_AUDIO_CTRL3 AIC26_PAGE_ADDR(2, 0x06)
+
+#define AIC26_REG_FILTER_COEFF_L_N0 AIC26_PAGE_ADDR(2, 0x07)
+#define AIC26_REG_FILTER_COEFF_L_N1 AIC26_PAGE_ADDR(2, 0x08)
+#define AIC26_REG_FILTER_COEFF_L_N2 AIC26_PAGE_ADDR(2, 0x09)
+#define AIC26_REG_FILTER_COEFF_L_N3 AIC26_PAGE_ADDR(2, 0x0A)
+#define AIC26_REG_FILTER_COEFF_L_N4 AIC26_PAGE_ADDR(2, 0x0B)
+#define AIC26_REG_FILTER_COEFF_L_N5 AIC26_PAGE_ADDR(2, 0x0C)
+#define AIC26_REG_FILTER_COEFF_L_D1 AIC26_PAGE_ADDR(2, 0x0D)
+#define AIC26_REG_FILTER_COEFF_L_D2 AIC26_PAGE_ADDR(2, 0x0E)
+#define AIC26_REG_FILTER_COEFF_L_D4 AIC26_PAGE_ADDR(2, 0x0F)
+#define AIC26_REG_FILTER_COEFF_L_D5 AIC26_PAGE_ADDR(2, 0x10)
+#define AIC26_REG_FILTER_COEFF_R_N0 AIC26_PAGE_ADDR(2, 0x11)
+#define AIC26_REG_FILTER_COEFF_R_N1 AIC26_PAGE_ADDR(2, 0x12)
+#define AIC26_REG_FILTER_COEFF_R_N2 AIC26_PAGE_ADDR(2, 0x13)
+#define AIC26_REG_FILTER_COEFF_R_N3 AIC26_PAGE_ADDR(2, 0x14)
+#define AIC26_REG_FILTER_COEFF_R_N4 AIC26_PAGE_ADDR(2, 0x15)
+#define AIC26_REG_FILTER_COEFF_R_N5 AIC26_PAGE_ADDR(2, 0x16)
+#define AIC26_REG_FILTER_COEFF_R_D1 AIC26_PAGE_ADDR(2, 0x17)
+#define AIC26_REG_FILTER_COEFF_R_D2 AIC26_PAGE_ADDR(2, 0x18)
+#define AIC26_REG_FILTER_COEFF_R_D4 AIC26_PAGE_ADDR(2, 0x19)
+#define AIC26_REG_FILTER_COEFF_R_D5 AIC26_PAGE_ADDR(2, 0x1A)
+
+#define AIC26_REG_PLL_PROG1 AIC26_PAGE_ADDR(2, 0x1B)
+#define AIC26_REG_PLL_PROG2 AIC26_PAGE_ADDR(2, 0x1C)
+#define AIC26_REG_AUDIO_CTRL4 AIC26_PAGE_ADDR(2, 0x1D)
+#define AIC26_REG_AUDIO_CTRL5 AIC26_PAGE_ADDR(2, 0x1E)
+
+/* fsref dividers; used in register 'Audio Control 1' */
+enum aic26_divisors {
+ AIC26_DIV_1 = 0,
+ AIC26_DIV_1_5 = 1,
+ AIC26_DIV_2 = 2,
+ AIC26_DIV_3 = 3,
+ AIC26_DIV_4 = 4,
+ AIC26_DIV_5 = 5,
+ AIC26_DIV_5_5 = 6,
+ AIC26_DIV_6 = 7,
+};
+
+/* Digital data format */
+enum aic26_datfm {
+ AIC26_DATFM_I2S = 0 << 8,
+ AIC26_DATFM_DSP = 1 << 8,
+ AIC26_DATFM_RIGHTJ = 2 << 8, /* right justified */
+ AIC26_DATFM_LEFTJ = 3 << 8, /* left justified */
+};
+
+/* Sample word length in bits; used in register 'Audio Control 1' */
+enum aic26_wlen {
+ AIC26_WLEN_16 = 0 << 10,
+ AIC26_WLEN_20 = 1 << 10,
+ AIC26_WLEN_24 = 2 << 10,
+ AIC26_WLEN_32 = 3 << 10,
+};
+
+extern struct snd_soc_dai aic26_dai;
+extern struct snd_soc_codec_device aic26_soc_codec_dev;
+
+#endif /* _TLV320AIC16_H_ */
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 5f9abb1..566a427 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -1,7 +1,7 @@
/*
* ALSA SoC TLV320AIC3X codec driver
*
- * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* Based on sound/soc/codecs/wm8753.c by Liam Girdwood
@@ -1172,71 +1172,39 @@ static struct snd_soc_device *aic3x_socdev;
* AIC3X 2 wire address can be up to 4 devices with device addresses
* 0x18, 0x19, 0x1A, 0x1B
*/
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver aic3x_i2c_driver;
-static struct i2c_client client_template;
/*
* If the i2c layer weren't so broken, we could pass this kind of data
* around
*/
-static int aic3x_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int aic3x_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = aic3x_socdev;
- struct aic3x_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- printk(KERN_ERR "aic3x: failed to attach codec at addr %x\n",
- addr);
- goto err;
- }
-
ret = aic3x_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
printk(KERN_ERR "aic3x: failed to initialise AIC3X\n");
- goto err;
- }
- return ret;
-
-err:
- kfree(i2c);
return ret;
}
-static int aic3x_i2c_detach(struct i2c_client *client)
+static int aic3x_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int aic3x_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, aic3x_codec_probe);
-}
+static const struct i2c_device_id aic3x_i2c_id[] = {
+ { "tlv320aic3x", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
/* machine i2c codec control layer */
static struct i2c_driver aic3x_i2c_driver = {
@@ -1244,13 +1212,9 @@ static struct i2c_driver aic3x_i2c_driver = {
.name = "aic3x I2C Codec",
.owner = THIS_MODULE,
},
- .attach_adapter = aic3x_i2c_attach,
- .detach_client = aic3x_i2c_detach,
-};
-
-static struct i2c_client client_template = {
- .name = "AIC3X",
- .driver = &aic3x_i2c_driver,
+ .probe = aic3x_i2c_probe,
+ .remove = aic3x_i2c_remove,
+ .id_table = aic3x_i2c_id,
};
static int aic3x_i2c_read(struct i2c_client *client, u8 *value, int len)
@@ -1258,6 +1222,46 @@ static int aic3x_i2c_read(struct i2c_client *client, u8 *value, int len)
value[0] = i2c_smbus_read_byte_data(client, value[0]);
return (len == 1);
}
+
+static int aic3x_add_i2c_device(struct platform_device *pdev,
+ const struct aic3x_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&aic3x_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "tlv320aic3x", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&aic3x_i2c_driver);
+ return -ENODEV;
+}
#endif
static int aic3x_probe(struct platform_device *pdev)
@@ -1290,12 +1294,9 @@ static int aic3x_probe(struct platform_device *pdev)
aic3x_socdev = socdev;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t) i2c_master_send;
codec->hw_read = (hw_read_t) aic3x_i2c_read;
- ret = i2c_add_driver(&aic3x_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ ret = aic3x_add_i2c_device(pdev, setup);
}
#else
/* Add other interfaces here */
@@ -1320,6 +1321,7 @@ static int aic3x_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&aic3x_i2c_driver);
#endif
kfree(codec->private_data);
diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h
index d76c079..00a195a 100644
--- a/sound/soc/codecs/tlv320aic3x.h
+++ b/sound/soc/codecs/tlv320aic3x.h
@@ -1,7 +1,7 @@
/*
* ALSA SoC TLV320AIC3X codec driver
*
- * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -224,6 +224,7 @@ int aic3x_get_gpio(struct snd_soc_codec *codec, int gpio);
int aic3x_headset_detected(struct snd_soc_codec *codec);
struct aic3x_setup_data {
+ int i2c_bus;
unsigned short i2c_address;
unsigned int gpio_func[2];
};
diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c
index 807318f..d206d7f 100644
--- a/sound/soc/codecs/uda1380.c
+++ b/sound/soc/codecs/uda1380.c
@@ -701,87 +701,86 @@ static struct snd_soc_device *uda1380_socdev;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-#define I2C_DRIVERID_UDA1380 0xfefe /* liam - need a proper id */
-
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver uda1380_i2c_driver;
-static struct i2c_client client_template;
-
-/* If the i2c layer weren't so broken, we could pass this kind of data
- around */
-
-static int uda1380_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int uda1380_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = uda1380_socdev;
struct uda1380_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- pr_err("uda1380: failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = uda1380_init(socdev, setup->dac_clk);
- if (ret < 0) {
+ if (ret < 0)
pr_err("uda1380: failed to initialise UDA1380\n");
- goto err;
- }
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int uda1380_i2c_detach(struct i2c_client *client)
+static int uda1380_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int uda1380_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, uda1380_codec_probe);
-}
+static const struct i2c_device_id uda1380_i2c_id[] = {
+ { "uda1380", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, uda1380_i2c_id);
static struct i2c_driver uda1380_i2c_driver = {
.driver = {
.name = "UDA1380 I2C Codec",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_UDA1380,
- .attach_adapter = uda1380_i2c_attach,
- .detach_client = uda1380_i2c_detach,
- .command = NULL,
+ .probe = uda1380_i2c_probe,
+ .remove = uda1380_i2c_remove,
+ .id_table = uda1380_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "UDA1380",
- .driver = &uda1380_i2c_driver,
-};
+static int uda1380_add_i2c_device(struct platform_device *pdev,
+ const struct uda1380_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&uda1380_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "uda1380", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&uda1380_i2c_driver);
+ return -ENODEV;
+}
#endif
static int uda1380_probe(struct platform_device *pdev)
@@ -789,7 +788,7 @@ static int uda1380_probe(struct platform_device *pdev)
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct uda1380_setup_data *setup;
struct snd_soc_codec *codec;
- int ret = 0;
+ int ret;
pr_info("UDA1380 Audio Codec %s", UDA1380_VERSION);
@@ -804,16 +803,13 @@ static int uda1380_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&codec->dapm_paths);
uda1380_socdev = socdev;
+ ret = -ENODEV;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
- ret = i2c_add_driver(&uda1380_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ ret = uda1380_add_i2c_device(pdev, setup);
}
-#else
- /* Add other interfaces here */
#endif
if (ret != 0)
@@ -833,6 +829,7 @@ static int uda1380_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&uda1380_i2c_driver);
#endif
kfree(codec);
diff --git a/sound/soc/codecs/uda1380.h b/sound/soc/codecs/uda1380.h
index 50c603e..c55c17a 100644
--- a/sound/soc/codecs/uda1380.h
+++ b/sound/soc/codecs/uda1380.h
@@ -73,6 +73,7 @@
#define R23_AGC_EN 0x0001
struct uda1380_setup_data {
+ int i2c_bus;
unsigned short i2c_address;
int dac_clk;
#define UDA1380_DAC_CLK_SYSCLK 0
diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c
index 3d998e6..9a37c8d 100644
--- a/sound/soc/codecs/wm8510.c
+++ b/sound/soc/codecs/wm8510.c
@@ -199,7 +199,7 @@ SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0),
};
static const struct snd_kcontrol_new wm8510_boost_controls[] = {
-SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 0),
+SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1),
SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0),
SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0),
};
@@ -665,88 +665,86 @@ static struct snd_soc_device *wm8510_socdev;
/*
* WM8510 2 wire address is 0x1a
*/
-#define I2C_DRIVERID_WM8510 0xfefe /* liam - need a proper id */
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver wm8510_i2c_driver;
-static struct i2c_client client_template;
-
-/* If the i2c layer weren't so broken, we could pass this kind of data
- around */
-
-static int wm8510_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int wm8510_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = wm8510_socdev;
- struct wm8510_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- pr_err("failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = wm8510_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
pr_err("failed to initialise WM8510\n");
- goto err;
- }
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int wm8510_i2c_detach(struct i2c_client *client)
+static int wm8510_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int wm8510_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, wm8510_codec_probe);
-}
+static const struct i2c_device_id wm8510_i2c_id[] = {
+ { "wm8510", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
-/* corgi i2c codec control layer */
static struct i2c_driver wm8510_i2c_driver = {
.driver = {
.name = "WM8510 I2C Codec",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_WM8510,
- .attach_adapter = wm8510_i2c_attach,
- .detach_client = wm8510_i2c_detach,
- .command = NULL,
+ .probe = wm8510_i2c_probe,
+ .remove = wm8510_i2c_remove,
+ .id_table = wm8510_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "WM8510",
- .driver = &wm8510_i2c_driver,
-};
+static int wm8510_add_i2c_device(struct platform_device *pdev,
+ const struct wm8510_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&wm8510_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "wm8510", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&wm8510_i2c_driver);
+ return -ENODEV;
+}
#endif
static int wm8510_probe(struct platform_device *pdev)
@@ -771,11 +769,8 @@ static int wm8510_probe(struct platform_device *pdev)
wm8510_socdev = socdev;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
- ret = i2c_add_driver(&wm8510_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ ret = wm8510_add_i2c_device(pdev, setup);
}
#else
/* Add other interfaces here */
@@ -798,6 +793,7 @@ static int wm8510_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&wm8510_i2c_driver);
#endif
kfree(codec);
diff --git a/sound/soc/codecs/wm8510.h b/sound/soc/codecs/wm8510.h
index f5d2e42..c536839 100644
--- a/sound/soc/codecs/wm8510.h
+++ b/sound/soc/codecs/wm8510.h
@@ -94,6 +94,7 @@
#define WM8510_MCLKDIV_12 (7 << 5)
struct wm8510_setup_data {
+ int i2c_bus;
unsigned short i2c_address;
};
diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
new file mode 100644
index 0000000..df1ffbe
--- /dev/null
+++ b/sound/soc/codecs/wm8580.c
@@ -0,0 +1,1055 @@
+/*
+ * wm8580.c -- WM8580 ALSA Soc Audio driver
+ *
+ * Copyright 2008 Wolfson Microelectronics PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Notes:
+ * The WM8580 is a multichannel codec with S/PDIF support, featuring six
+ * DAC channels and two ADC channels.
+ *
+ * Currently only the primary audio interface is supported - S/PDIF and
+ * the secondary audio interfaces are not.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+#include <sound/initval.h>
+#include <asm/div64.h>
+
+#include "wm8580.h"
+
+#define AUDIO_NAME "wm8580"
+#define WM8580_VERSION "0.1"
+
+struct pll_state {
+ unsigned int in;
+ unsigned int out;
+};
+
+/* codec private data */
+struct wm8580_priv {
+ struct pll_state a;
+ struct pll_state b;
+};
+
+/* WM8580 register space */
+#define WM8580_PLLA1 0x00
+#define WM8580_PLLA2 0x01
+#define WM8580_PLLA3 0x02
+#define WM8580_PLLA4 0x03
+#define WM8580_PLLB1 0x04
+#define WM8580_PLLB2 0x05
+#define WM8580_PLLB3 0x06
+#define WM8580_PLLB4 0x07
+#define WM8580_CLKSEL 0x08
+#define WM8580_PAIF1 0x09
+#define WM8580_PAIF2 0x0A
+#define WM8580_SAIF1 0x0B
+#define WM8580_PAIF3 0x0C
+#define WM8580_PAIF4 0x0D
+#define WM8580_SAIF2 0x0E
+#define WM8580_DAC_CONTROL1 0x0F
+#define WM8580_DAC_CONTROL2 0x10
+#define WM8580_DAC_CONTROL3 0x11
+#define WM8580_DAC_CONTROL4 0x12
+#define WM8580_DAC_CONTROL5 0x13
+#define WM8580_DIGITAL_ATTENUATION_DACL1 0x14
+#define WM8580_DIGITAL_ATTENUATION_DACR1 0x15
+#define WM8580_DIGITAL_ATTENUATION_DACL2 0x16
+#define WM8580_DIGITAL_ATTENUATION_DACR2 0x17
+#define WM8580_DIGITAL_ATTENUATION_DACL3 0x18
+#define WM8580_DIGITAL_ATTENUATION_DACR3 0x19
+#define WM8580_MASTER_DIGITAL_ATTENUATION 0x1C
+#define WM8580_ADC_CONTROL1 0x1D
+#define WM8580_SPDTXCHAN0 0x1E
+#define WM8580_SPDTXCHAN1 0x1F
+#define WM8580_SPDTXCHAN2 0x20
+#define WM8580_SPDTXCHAN3 0x21
+#define WM8580_SPDTXCHAN4 0x22
+#define WM8580_SPDTXCHAN5 0x23
+#define WM8580_SPDMODE 0x24
+#define WM8580_INTMASK 0x25
+#define WM8580_GPO1 0x26
+#define WM8580_GPO2 0x27
+#define WM8580_GPO3 0x28
+#define WM8580_GPO4 0x29
+#define WM8580_GPO5 0x2A
+#define WM8580_INTSTAT 0x2B
+#define WM8580_SPDRXCHAN1 0x2C
+#define WM8580_SPDRXCHAN2 0x2D
+#define WM8580_SPDRXCHAN3 0x2E
+#define WM8580_SPDRXCHAN4 0x2F
+#define WM8580_SPDRXCHAN5 0x30
+#define WM8580_SPDSTAT 0x31
+#define WM8580_PWRDN1 0x32
+#define WM8580_PWRDN2 0x33
+#define WM8580_READBACK 0x34
+#define WM8580_RESET 0x35
+
+/* PLLB4 (register 7h) */
+#define WM8580_PLLB4_MCLKOUTSRC_MASK 0x60
+#define WM8580_PLLB4_MCLKOUTSRC_PLLA 0x20
+#define WM8580_PLLB4_MCLKOUTSRC_PLLB 0x40
+#define WM8580_PLLB4_MCLKOUTSRC_OSC 0x60
+
+#define WM8580_PLLB4_CLKOUTSRC_MASK 0x180
+#define WM8580_PLLB4_CLKOUTSRC_PLLACLK 0x080
+#define WM8580_PLLB4_CLKOUTSRC_PLLBCLK 0x100
+#define WM8580_PLLB4_CLKOUTSRC_OSCCLK 0x180
+
+/* CLKSEL (register 8h) */
+#define WM8580_CLKSEL_DAC_CLKSEL_MASK 0x03
+#define WM8580_CLKSEL_DAC_CLKSEL_PLLA 0x01
+#define WM8580_CLKSEL_DAC_CLKSEL_PLLB 0x02
+
+/* AIF control 1 (registers 9h-bh) */
+#define WM8580_AIF_RATE_MASK 0x7
+#define WM8580_AIF_RATE_128 0x0
+#define WM8580_AIF_RATE_192 0x1
+#define WM8580_AIF_RATE_256 0x2
+#define WM8580_AIF_RATE_384 0x3
+#define WM8580_AIF_RATE_512 0x4
+#define WM8580_AIF_RATE_768 0x5
+#define WM8580_AIF_RATE_1152 0x6
+
+#define WM8580_AIF_BCLKSEL_MASK 0x18
+#define WM8580_AIF_BCLKSEL_64 0x00
+#define WM8580_AIF_BCLKSEL_128 0x08
+#define WM8580_AIF_BCLKSEL_256 0x10
+#define WM8580_AIF_BCLKSEL_SYSCLK 0x18
+
+#define WM8580_AIF_MS 0x20
+
+#define WM8580_AIF_CLKSRC_MASK 0xc0
+#define WM8580_AIF_CLKSRC_PLLA 0x40
+#define WM8580_AIF_CLKSRC_PLLB 0x40
+#define WM8580_AIF_CLKSRC_MCLK 0xc0
+
+/* AIF control 2 (registers ch-eh) */
+#define WM8580_AIF_FMT_MASK 0x03
+#define WM8580_AIF_FMT_RIGHTJ 0x00
+#define WM8580_AIF_FMT_LEFTJ 0x01
+#define WM8580_AIF_FMT_I2S 0x02
+#define WM8580_AIF_FMT_DSP 0x03
+
+#define WM8580_AIF_LENGTH_MASK 0x0c
+#define WM8580_AIF_LENGTH_16 0x00
+#define WM8580_AIF_LENGTH_20 0x04
+#define WM8580_AIF_LENGTH_24 0x08
+#define WM8580_AIF_LENGTH_32 0x0c
+
+#define WM8580_AIF_LRP 0x10
+#define WM8580_AIF_BCP 0x20
+
+/* Powerdown Register 1 (register 32h) */
+#define WM8580_PWRDN1_PWDN 0x001
+#define WM8580_PWRDN1_ALLDACPD 0x040
+
+/* Powerdown Register 2 (register 33h) */
+#define WM8580_PWRDN2_OSSCPD 0x001
+#define WM8580_PWRDN2_PLLAPD 0x002
+#define WM8580_PWRDN2_PLLBPD 0x004
+#define WM8580_PWRDN2_SPDIFPD 0x008
+#define WM8580_PWRDN2_SPDIFTXD 0x010
+#define WM8580_PWRDN2_SPDIFRXD 0x020
+
+#define WM8580_DAC_CONTROL5_MUTEALL 0x10
+
+/*
+ * wm8580 register cache
+ * We can't read the WM8580 register space when we
+ * are using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8580_reg[] = {
+ 0x0121, 0x017e, 0x007d, 0x0014, /*R3*/
+ 0x0121, 0x017e, 0x007d, 0x0194, /*R7*/
+ 0x001c, 0x0002, 0x0002, 0x00c2, /*R11*/
+ 0x0182, 0x0082, 0x000a, 0x0024, /*R15*/
+ 0x0009, 0x0000, 0x00ff, 0x0000, /*R19*/
+ 0x00ff, 0x00ff, 0x00ff, 0x00ff, /*R23*/
+ 0x00ff, 0x00ff, 0x00ff, 0x00ff, /*R27*/
+ 0x01f0, 0x0040, 0x0000, 0x0000, /*R31(0x1F)*/
+ 0x0000, 0x0000, 0x0031, 0x000b, /*R35*/
+ 0x0039, 0x0000, 0x0010, 0x0032, /*R39*/
+ 0x0054, 0x0076, 0x0098, 0x0000, /*R43(0x2B)*/
+ 0x0000, 0x0000, 0x0000, 0x0000, /*R47*/
+ 0x0000, 0x0000, 0x005e, 0x003e, /*R51(0x33)*/
+ 0x0000, 0x0000 /*R53*/
+};
+
+/*
+ * read wm8580 register cache
+ */
+static inline unsigned int wm8580_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ BUG_ON(reg > ARRAY_SIZE(wm8580_reg));
+ return cache[reg];
+}
+
+/*
+ * write wm8580 register cache
+ */
+static inline void wm8580_write_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8580 register space
+ */
+static int wm8580_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ BUG_ON(reg > ARRAY_SIZE(wm8580_reg));
+
+ /* Registers are 9 bits wide */
+ value &= 0x1ff;
+
+ switch (reg) {
+ case WM8580_RESET:
+ /* Uncached */
+ break;
+ default:
+ if (value == wm8580_read_reg_cache(codec, reg))
+ return 0;
+ }
+
+ /* data is
+ * D15..D9 WM8580 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8580_write_reg_cache(codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+static inline unsigned int wm8580_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ switch (reg) {
+ default:
+ return wm8580_read_reg_cache(codec, reg);
+ }
+}
+
+static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
+
+static int wm8580_out_vu(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int reg2 = (kcontrol->private_value >> 24) & 0xff;
+ int ret;
+ u16 val;
+
+ /* Clear the register cache so we write without VU set */
+ wm8580_write_reg_cache(codec, reg, 0);
+ wm8580_write_reg_cache(codec, reg2, 0);
+
+ ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
+ if (ret < 0)
+ return ret;
+
+ /* Now write again with the volume update bit set */
+ val = wm8580_read_reg_cache(codec, reg);
+ wm8580_write(codec, reg, val | 0x0100);
+
+ val = wm8580_read_reg_cache(codec, reg2);
+ wm8580_write(codec, reg2, val | 0x0100);
+
+ return 0;
+}
+
+#define SOC_WM8580_OUT_DOUBLE_R_TLV(xname, reg_left, reg_right, shift, max, invert, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw_2r, \
+ .get = snd_soc_get_volsw_2r, .put = wm8580_out_vu, \
+ .private_value = (reg_left) | ((shift) << 8) | \
+ ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) }
+
+static const struct snd_kcontrol_new wm8580_snd_controls[] = {
+SOC_WM8580_OUT_DOUBLE_R_TLV("DAC1 Playback Volume",
+ WM8580_DIGITAL_ATTENUATION_DACL1,
+ WM8580_DIGITAL_ATTENUATION_DACR1,
+ 0, 0xff, 0, dac_tlv),
+SOC_WM8580_OUT_DOUBLE_R_TLV("DAC2 Playback Volume",
+ WM8580_DIGITAL_ATTENUATION_DACL2,
+ WM8580_DIGITAL_ATTENUATION_DACR2,
+ 0, 0xff, 0, dac_tlv),
+SOC_WM8580_OUT_DOUBLE_R_TLV("DAC3 Playback Volume",
+ WM8580_DIGITAL_ATTENUATION_DACL3,
+ WM8580_DIGITAL_ATTENUATION_DACR3,
+ 0, 0xff, 0, dac_tlv),
+
+SOC_SINGLE("DAC1 Deemphasis Switch", WM8580_DAC_CONTROL3, 0, 1, 0),
+SOC_SINGLE("DAC2 Deemphasis Switch", WM8580_DAC_CONTROL3, 1, 1, 0),
+SOC_SINGLE("DAC3 Deemphasis Switch", WM8580_DAC_CONTROL3, 2, 1, 0),
+
+SOC_DOUBLE("DAC1 Invert Switch", WM8580_DAC_CONTROL4, 0, 1, 1, 0),
+SOC_DOUBLE("DAC2 Invert Switch", WM8580_DAC_CONTROL4, 2, 3, 1, 0),
+SOC_DOUBLE("DAC3 Invert Switch", WM8580_DAC_CONTROL4, 4, 5, 1, 0),
+
+SOC_SINGLE("DAC ZC Switch", WM8580_DAC_CONTROL5, 5, 1, 0),
+SOC_SINGLE("DAC1 Switch", WM8580_DAC_CONTROL5, 0, 1, 0),
+SOC_SINGLE("DAC2 Switch", WM8580_DAC_CONTROL5, 1, 1, 0),
+SOC_SINGLE("DAC3 Switch", WM8580_DAC_CONTROL5, 2, 1, 0),
+
+SOC_DOUBLE("ADC Mute Switch", WM8580_ADC_CONTROL1, 0, 1, 1, 0),
+SOC_SINGLE("ADC High-Pass Filter Switch", WM8580_ADC_CONTROL1, 4, 1, 0),
+};
+
+/* Add non-DAPM controls */
+static int wm8580_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8580_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8580_snd_controls[i],
+ codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+static const struct snd_soc_dapm_widget wm8580_dapm_widgets[] = {
+SND_SOC_DAPM_DAC("DAC1", "Playback", WM8580_PWRDN1, 2, 1),
+SND_SOC_DAPM_DAC("DAC2", "Playback", WM8580_PWRDN1, 3, 1),
+SND_SOC_DAPM_DAC("DAC3", "Playback", WM8580_PWRDN1, 4, 1),
+
+SND_SOC_DAPM_OUTPUT("VOUT1L"),
+SND_SOC_DAPM_OUTPUT("VOUT1R"),
+SND_SOC_DAPM_OUTPUT("VOUT2L"),
+SND_SOC_DAPM_OUTPUT("VOUT2R"),
+SND_SOC_DAPM_OUTPUT("VOUT3L"),
+SND_SOC_DAPM_OUTPUT("VOUT3R"),
+
+SND_SOC_DAPM_ADC("ADC", "Capture", WM8580_PWRDN1, 1, 1),
+
+SND_SOC_DAPM_INPUT("AINL"),
+SND_SOC_DAPM_INPUT("AINR"),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ { "VOUT1L", NULL, "DAC1" },
+ { "VOUT1R", NULL, "DAC1" },
+
+ { "VOUT2L", NULL, "DAC2" },
+ { "VOUT2R", NULL, "DAC2" },
+
+ { "VOUT3L", NULL, "DAC3" },
+ { "VOUT3R", NULL, "DAC3" },
+
+ { "ADC", NULL, "AINL" },
+ { "ADC", NULL, "AINR" },
+};
+
+static int wm8580_add_widgets(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_new_controls(codec, wm8580_dapm_widgets,
+ ARRAY_SIZE(wm8580_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+/* PLL divisors */
+struct _pll_div {
+ u32 prescale:1;
+ u32 postscale:1;
+ u32 freqmode:2;
+ u32 n:4;
+ u32 k:24;
+};
+
+/* The size in bits of the pll divide */
+#define FIXED_PLL_SIZE (1 << 22)
+
+/* PLL rate to output rate divisions */
+static struct {
+ unsigned int div;
+ unsigned int freqmode;
+ unsigned int postscale;
+} post_table[] = {
+ { 2, 0, 0 },
+ { 4, 0, 1 },
+ { 4, 1, 0 },
+ { 8, 1, 1 },
+ { 8, 2, 0 },
+ { 16, 2, 1 },
+ { 12, 3, 0 },
+ { 24, 3, 1 }
+};
+
+static int pll_factors(struct _pll_div *pll_div, unsigned int target,
+ unsigned int source)
+{
+ u64 Kpart;
+ unsigned int K, Ndiv, Nmod;
+ int i;
+
+ pr_debug("wm8580: PLL %dHz->%dHz\n", source, target);
+
+ /* Scale the output frequency up; the PLL should run in the
+ * region of 90-100MHz.
+ */
+ for (i = 0; i < ARRAY_SIZE(post_table); i++) {
+ if (target * post_table[i].div >= 90000000 &&
+ target * post_table[i].div <= 100000000) {
+ pll_div->freqmode = post_table[i].freqmode;
+ pll_div->postscale = post_table[i].postscale;
+ target *= post_table[i].div;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(post_table)) {
+ printk(KERN_ERR "wm8580: Unable to scale output frequency "
+ "%u\n", target);
+ return -EINVAL;
+ }
+
+ Ndiv = target / source;
+
+ if (Ndiv < 5) {
+ source /= 2;
+ pll_div->prescale = 1;
+ Ndiv = target / source;
+ } else
+ pll_div->prescale = 0;
+
+ if ((Ndiv < 5) || (Ndiv > 13)) {
+ printk(KERN_ERR
+ "WM8580 N=%d outside supported range\n", Ndiv);
+ return -EINVAL;
+ }
+
+ pll_div->n = Ndiv;
+ Nmod = target % source;
+ Kpart = FIXED_PLL_SIZE * (long long)Nmod;
+
+ do_div(Kpart, source);
+
+ K = Kpart & 0xFFFFFFFF;
+
+ pll_div->k = K;
+
+ pr_debug("PLL %x.%x prescale %d freqmode %d postscale %d\n",
+ pll_div->n, pll_div->k, pll_div->prescale, pll_div->freqmode,
+ pll_div->postscale);
+
+ return 0;
+}
+
+static int wm8580_set_dai_pll(struct snd_soc_dai *codec_dai,
+ int pll_id, unsigned int freq_in, unsigned int freq_out)
+{
+ int offset;
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8580_priv *wm8580 = codec->private_data;
+ struct pll_state *state;
+ struct _pll_div pll_div;
+ unsigned int reg;
+ unsigned int pwr_mask;
+ int ret;
+
+ /* GCC isn't able to work out the ifs below for initialising/using
+ * pll_div so suppress warnings.
+ */
+ memset(&pll_div, 0, sizeof(pll_div));
+
+ switch (pll_id) {
+ case WM8580_PLLA:
+ state = &wm8580->a;
+ offset = 0;
+ pwr_mask = WM8580_PWRDN2_PLLAPD;
+ break;
+ case WM8580_PLLB:
+ state = &wm8580->b;
+ offset = 4;
+ pwr_mask = WM8580_PWRDN2_PLLBPD;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ if (freq_in && freq_out) {
+ ret = pll_factors(&pll_div, freq_out, freq_in);
+ if (ret != 0)
+ return ret;
+ }
+
+ state->in = freq_in;
+ state->out = freq_out;
+
+ /* Always disable the PLL - it is not safe to leave it running
+ * while reprogramming it.
+ */
+ reg = wm8580_read(codec, WM8580_PWRDN2);
+ wm8580_write(codec, WM8580_PWRDN2, reg | pwr_mask);
+
+ if (!freq_in || !freq_out)
+ return 0;
+
+ wm8580_write(codec, WM8580_PLLA1 + offset, pll_div.k & 0x1ff);
+ wm8580_write(codec, WM8580_PLLA2 + offset, (pll_div.k >> 9) & 0xff);
+ wm8580_write(codec, WM8580_PLLA3 + offset,
+ (pll_div.k >> 18 & 0xf) | (pll_div.n << 4));
+
+ reg = wm8580_read(codec, WM8580_PLLA4 + offset);
+ reg &= ~0x3f;
+ reg |= pll_div.prescale | pll_div.postscale << 1 |
+ pll_div.freqmode << 4;
+
+ wm8580_write(codec, WM8580_PLLA4 + offset, reg);
+
+ /* All done, turn it on */
+ reg = wm8580_read(codec, WM8580_PWRDN2);
+ wm8580_write(codec, WM8580_PWRDN2, reg & ~pwr_mask);
+
+ return 0;
+}
+
+/*
+ * Set PCM DAI bit size and sample rate.
+ */
+static int wm8580_paif_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai_link *dai = rtd->dai;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 paifb = wm8580_read(codec, WM8580_PAIF3 + dai->codec_dai->id);
+
+ paifb &= ~WM8580_AIF_LENGTH_MASK;
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ paifb |= WM8580_AIF_LENGTH_20;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ paifb |= WM8580_AIF_LENGTH_24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ paifb |= WM8580_AIF_LENGTH_24;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wm8580_write(codec, WM8580_PAIF3 + dai->codec_dai->id, paifb);
+ return 0;
+}
+
+static int wm8580_set_paif_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ unsigned int aifa;
+ unsigned int aifb;
+ int can_invert_lrclk;
+
+ aifa = wm8580_read(codec, WM8580_PAIF1 + codec_dai->id);
+ aifb = wm8580_read(codec, WM8580_PAIF3 + codec_dai->id);
+
+ aifb &= ~(WM8580_AIF_FMT_MASK | WM8580_AIF_LRP | WM8580_AIF_BCP);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ aifa &= ~WM8580_AIF_MS;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ aifa |= WM8580_AIF_MS;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ can_invert_lrclk = 1;
+ aifb |= WM8580_AIF_FMT_I2S;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ can_invert_lrclk = 1;
+ aifb |= WM8580_AIF_FMT_RIGHTJ;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ can_invert_lrclk = 1;
+ aifb |= WM8580_AIF_FMT_LEFTJ;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ can_invert_lrclk = 0;
+ aifb |= WM8580_AIF_FMT_DSP;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ can_invert_lrclk = 0;
+ aifb |= WM8580_AIF_FMT_DSP;
+ aifb |= WM8580_AIF_LRP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+
+ case SND_SOC_DAIFMT_IB_IF:
+ if (!can_invert_lrclk)
+ return -EINVAL;
+ aifb |= WM8580_AIF_BCP;
+ aifb |= WM8580_AIF_LRP;
+ break;
+
+ case SND_SOC_DAIFMT_IB_NF:
+ aifb |= WM8580_AIF_BCP;
+ break;
+
+ case SND_SOC_DAIFMT_NB_IF:
+ if (!can_invert_lrclk)
+ return -EINVAL;
+ aifb |= WM8580_AIF_LRP;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ wm8580_write(codec, WM8580_PAIF1 + codec_dai->id, aifa);
+ wm8580_write(codec, WM8580_PAIF3 + codec_dai->id, aifb);
+
+ return 0;
+}
+
+static int wm8580_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
+ int div_id, int div)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ unsigned int reg;
+
+ switch (div_id) {
+ case WM8580_MCLK:
+ reg = wm8580_read(codec, WM8580_PLLB4);
+ reg &= ~WM8580_PLLB4_MCLKOUTSRC_MASK;
+
+ switch (div) {
+ case WM8580_CLKSRC_MCLK:
+ /* Input */
+ break;
+
+ case WM8580_CLKSRC_PLLA:
+ reg |= WM8580_PLLB4_MCLKOUTSRC_PLLA;
+ break;
+ case WM8580_CLKSRC_PLLB:
+ reg |= WM8580_PLLB4_MCLKOUTSRC_PLLB;
+ break;
+
+ case WM8580_CLKSRC_OSC:
+ reg |= WM8580_PLLB4_MCLKOUTSRC_OSC;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ wm8580_write(codec, WM8580_PLLB4, reg);
+ break;
+
+ case WM8580_DAC_CLKSEL:
+ reg = wm8580_read(codec, WM8580_CLKSEL);
+ reg &= ~WM8580_CLKSEL_DAC_CLKSEL_MASK;
+
+ switch (div) {
+ case WM8580_CLKSRC_MCLK:
+ break;
+
+ case WM8580_CLKSRC_PLLA:
+ reg |= WM8580_CLKSEL_DAC_CLKSEL_PLLA;
+ break;
+
+ case WM8580_CLKSRC_PLLB:
+ reg |= WM8580_CLKSEL_DAC_CLKSEL_PLLB;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ wm8580_write(codec, WM8580_CLKSEL, reg);
+ break;
+
+ case WM8580_CLKOUTSRC:
+ reg = wm8580_read(codec, WM8580_PLLB4);
+ reg &= ~WM8580_PLLB4_CLKOUTSRC_MASK;
+
+ switch (div) {
+ case WM8580_CLKSRC_NONE:
+ break;
+
+ case WM8580_CLKSRC_PLLA:
+ reg |= WM8580_PLLB4_CLKOUTSRC_PLLACLK;
+ break;
+
+ case WM8580_CLKSRC_PLLB:
+ reg |= WM8580_PLLB4_CLKOUTSRC_PLLBCLK;
+ break;
+
+ case WM8580_CLKSRC_OSC:
+ reg |= WM8580_PLLB4_CLKOUTSRC_OSCCLK;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ wm8580_write(codec, WM8580_PLLB4, reg);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int wm8580_digital_mute(struct snd_soc_dai *codec_dai, int mute)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ unsigned int reg;
+
+ reg = wm8580_read(codec, WM8580_DAC_CONTROL5);
+
+ if (mute)
+ reg |= WM8580_DAC_CONTROL5_MUTEALL;
+ else
+ reg &= ~WM8580_DAC_CONTROL5_MUTEALL;
+
+ wm8580_write(codec, WM8580_DAC_CONTROL5, reg);
+
+ return 0;
+}
+
+static int wm8580_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ u16 reg;
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ case SND_SOC_BIAS_PREPARE:
+ case SND_SOC_BIAS_STANDBY:
+ break;
+ case SND_SOC_BIAS_OFF:
+ reg = wm8580_read(codec, WM8580_PWRDN1);
+ wm8580_write(codec, WM8580_PWRDN1, reg | WM8580_PWRDN1_PWDN);
+ break;
+ }
+ codec->bias_level = level;
+ return 0;
+}
+
+#define WM8580_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+struct snd_soc_dai wm8580_dai[] = {
+ {
+ .name = "WM8580 PAIFRX",
+ .id = 0,
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 6,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = WM8580_FORMATS,
+ },
+ .ops = {
+ .hw_params = wm8580_paif_hw_params,
+ },
+ .dai_ops = {
+ .set_fmt = wm8580_set_paif_dai_fmt,
+ .set_clkdiv = wm8580_set_dai_clkdiv,
+ .set_pll = wm8580_set_dai_pll,
+ .digital_mute = wm8580_digital_mute,
+ },
+ },
+ {
+ .name = "WM8580 PAIFTX",
+ .id = 1,
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = WM8580_FORMATS,
+ },
+ .ops = {
+ .hw_params = wm8580_paif_hw_params,
+ },
+ .dai_ops = {
+ .set_fmt = wm8580_set_paif_dai_fmt,
+ .set_clkdiv = wm8580_set_dai_clkdiv,
+ .set_pll = wm8580_set_dai_pll,
+ },
+ },
+};
+EXPORT_SYMBOL_GPL(wm8580_dai);
+
+/*
+ * initialise the WM8580 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8580_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ codec->name = "WM8580";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8580_read_reg_cache;
+ codec->write = wm8580_write;
+ codec->set_bias_level = wm8580_set_bias_level;
+ codec->dai = wm8580_dai;
+ codec->num_dai = ARRAY_SIZE(wm8580_dai);
+ codec->reg_cache_size = ARRAY_SIZE(wm8580_reg);
+ codec->reg_cache = kmemdup(wm8580_reg, sizeof(wm8580_reg),
+ GFP_KERNEL);
+
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+
+ /* Get the codec into a known state */
+ wm8580_write(codec, WM8580_RESET, 0);
+
+ /* Power up and get individual control of the DACs */
+ wm8580_write(codec, WM8580_PWRDN1, wm8580_read(codec, WM8580_PWRDN1) &
+ ~(WM8580_PWRDN1_PWDN | WM8580_PWRDN1_ALLDACPD));
+
+ /* Make VMID high impedence */
+ wm8580_write(codec, WM8580_ADC_CONTROL1,
+ wm8580_read(codec, WM8580_ADC_CONTROL1) & ~0x100);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1,
+ SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8580: failed to create pcms\n");
+ goto pcm_err;
+ }
+
+ wm8580_add_controls(codec);
+ wm8580_add_widgets(codec);
+
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8580: failed to register card\n");
+ goto card_err;
+ }
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ kfree(codec->reg_cache);
+ return ret;
+}
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static struct snd_soc_device *wm8580_socdev;
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+
+/*
+ * WM8580 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8580_i2c_driver;
+static struct i2c_client client_template;
+
+static int wm8580_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8580_socdev;
+ struct wm8580_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8580_init(socdev);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "failed to initialise WM8580\n");
+ goto err;
+ }
+
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8580_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8580_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8580_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8580_i2c_driver = {
+ .driver = {
+ .name = "WM8580 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .attach_adapter = wm8580_i2c_attach,
+ .detach_client = wm8580_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8580",
+ .driver = &wm8580_i2c_driver,
+};
+#endif
+
+static int wm8580_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8580_setup_data *setup;
+ struct snd_soc_codec *codec;
+ struct wm8580_priv *wm8580;
+ int ret = 0;
+
+ pr_info("WM8580 Audio Codec %s\n", WM8580_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ wm8580 = kzalloc(sizeof(struct wm8580_priv), GFP_KERNEL);
+ if (wm8580 == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+
+ codec->private_data = wm8580;
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+ wm8580_socdev = socdev;
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8580_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8580_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8580_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8580_i2c_driver);
+#endif
+ kfree(codec->private_data);
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8580 = {
+ .probe = wm8580_probe,
+ .remove = wm8580_remove,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8580);
+
+MODULE_DESCRIPTION("ASoC WM8580 driver");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wm8580.h b/sound/soc/codecs/wm8580.h
new file mode 100644
index 0000000..589ddab
--- /dev/null
+++ b/sound/soc/codecs/wm8580.h
@@ -0,0 +1,42 @@
+/*
+ * wm8580.h -- audio driver for WM8580
+ *
+ * Copyright 2008 Samsung Electronics.
+ * Author: Ryu Euiyoul
+ * ryu.real@gmail.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef _WM8580_H
+#define _WM8580_H
+
+#define WM8580_PLLA 1
+#define WM8580_PLLB 2
+
+#define WM8580_MCLK 1
+#define WM8580_DAC_CLKSEL 2
+#define WM8580_CLKOUTSRC 3
+
+#define WM8580_CLKSRC_MCLK 1
+#define WM8580_CLKSRC_PLLA 2
+#define WM8580_CLKSRC_PLLB 3
+#define WM8580_CLKSRC_OSC 4
+#define WM8580_CLKSRC_NONE 5
+
+struct wm8580_setup_data {
+ unsigned short i2c_address;
+};
+
+#define WM8580_DAI_PAIFRX 0
+#define WM8580_DAI_PAIFTX 1
+
+extern struct snd_soc_dai wm8580_dai[];
+extern struct snd_soc_codec_device soc_codec_dev_wm8580;
+
+#endif
+
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 9402fca..7b64d9a 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -19,6 +19,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -570,88 +571,144 @@ static struct snd_soc_device *wm8731_socdev;
* low = 0x1a
* high = 0x1b
*/
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver wm8731_i2c_driver;
-static struct i2c_client client_template;
-
-/* If the i2c layer weren't so broken, we could pass this kind of data
- around */
-
-static int wm8731_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int wm8731_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = wm8731_socdev;
- struct wm8731_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- pr_err("failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = wm8731_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
pr_err("failed to initialise WM8731\n");
- goto err;
- }
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int wm8731_i2c_detach(struct i2c_client *client)
+static int wm8731_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int wm8731_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, wm8731_codec_probe);
-}
+static const struct i2c_device_id wm8731_i2c_id[] = {
+ { "wm8731", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id);
-/* corgi i2c codec control layer */
static struct i2c_driver wm8731_i2c_driver = {
.driver = {
.name = "WM8731 I2C Codec",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_WM8731,
- .attach_adapter = wm8731_i2c_attach,
- .detach_client = wm8731_i2c_detach,
- .command = NULL,
+ .probe = wm8731_i2c_probe,
+ .remove = wm8731_i2c_remove,
+ .id_table = wm8731_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "WM8731",
- .driver = &wm8731_i2c_driver,
-};
+static int wm8731_add_i2c_device(struct platform_device *pdev,
+ const struct wm8731_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&wm8731_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "wm8731", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&wm8731_i2c_driver);
+ return -ENODEV;
+}
#endif
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit wm8731_spi_probe(struct spi_device *spi)
+{
+ struct snd_soc_device *socdev = wm8731_socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret;
+
+ codec->control_data = spi;
+
+ ret = wm8731_init(socdev);
+ if (ret < 0)
+ dev_err(&spi->dev, "failed to initialise WM8731\n");
+
+ return ret;
+}
+
+static int __devexit wm8731_spi_remove(struct spi_device *spi)
+{
+ return 0;
+}
+
+static struct spi_driver wm8731_spi_driver = {
+ .driver = {
+ .name = "wm8731",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8731_spi_probe,
+ .remove = __devexit_p(wm8731_spi_remove),
+};
+
+static int wm8731_spi_write(struct spi_device *spi, const char *data, int len)
+{
+ struct spi_transfer t;
+ struct spi_message m;
+ u8 msg[2];
+
+ if (len <= 0)
+ return 0;
+
+ msg[0] = data[0];
+ msg[1] = data[1];
+
+ spi_message_init(&m);
+ memset(&t, 0, (sizeof t));
+
+ t.tx_buf = &msg[0];
+ t.len = len;
+
+ spi_message_add_tail(&t, &m);
+ spi_sync(spi, &m);
+
+ return len;
+}
+#endif /* CONFIG_SPI_MASTER */
+
static int wm8731_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
@@ -680,16 +737,21 @@ static int wm8731_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&codec->dapm_paths);
wm8731_socdev = socdev;
+ ret = -ENODEV;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
- ret = i2c_add_driver(&wm8731_i2c_driver);
+ ret = wm8731_add_i2c_device(pdev, setup);
+ }
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ if (setup->spi) {
+ codec->hw_write = (hw_write_t)wm8731_spi_write;
+ ret = spi_register_driver(&wm8731_spi_driver);
if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ printk(KERN_ERR "can't add spi driver");
}
-#else
- /* Add other interfaces here */
#endif
if (ret != 0) {
@@ -711,8 +773,12 @@ static int wm8731_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&wm8731_i2c_driver);
#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8731_spi_driver);
+#endif
kfree(codec->private_data);
kfree(codec);
diff --git a/sound/soc/codecs/wm8731.h b/sound/soc/codecs/wm8731.h
index 99f2e3c..95190e9 100644
--- a/sound/soc/codecs/wm8731.h
+++ b/sound/soc/codecs/wm8731.h
@@ -35,6 +35,8 @@
#define WM8731_DAI 0
struct wm8731_setup_data {
+ int spi;
+ int i2c_bus;
unsigned short i2c_address;
};
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index dd1f554..4892e39 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -19,6 +19,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -841,88 +842,147 @@ static struct snd_soc_device *wm8750_socdev;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
/*
- * WM8731 2 wire address is determined by GPIO5
+ * WM8750 2 wire address is determined by GPIO5
* state during powerup.
* low = 0x1a
* high = 0x1b
*/
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver wm8750_i2c_driver;
-static struct i2c_client client_template;
-
-static int wm8750_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int wm8750_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = wm8750_socdev;
- struct wm8750_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- pr_err("failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = wm8750_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
pr_err("failed to initialise WM8750\n");
- goto err;
- }
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int wm8750_i2c_detach(struct i2c_client *client)
+static int wm8750_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int wm8750_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, wm8750_codec_probe);
-}
+static const struct i2c_device_id wm8750_i2c_id[] = {
+ { "wm8750", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
-/* corgi i2c codec control layer */
static struct i2c_driver wm8750_i2c_driver = {
.driver = {
.name = "WM8750 I2C Codec",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_WM8750,
- .attach_adapter = wm8750_i2c_attach,
- .detach_client = wm8750_i2c_detach,
- .command = NULL,
+ .probe = wm8750_i2c_probe,
+ .remove = wm8750_i2c_remove,
+ .id_table = wm8750_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "WM8750",
- .driver = &wm8750_i2c_driver,
+static int wm8750_add_i2c_device(struct platform_device *pdev,
+ const struct wm8750_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&wm8750_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "wm8750", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&wm8750_i2c_driver);
+ return -ENODEV;
+}
+#endif
+
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit wm8750_spi_probe(struct spi_device *spi)
+{
+ struct snd_soc_device *socdev = wm8750_socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret;
+
+ codec->control_data = spi;
+
+ ret = wm8750_init(socdev);
+ if (ret < 0)
+ dev_err(&spi->dev, "failed to initialise WM8750\n");
+
+ return ret;
+}
+
+static int __devexit wm8750_spi_remove(struct spi_device *spi)
+{
+ return 0;
+}
+
+static struct spi_driver wm8750_spi_driver = {
+ .driver = {
+ .name = "wm8750",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8750_spi_probe,
+ .remove = __devexit_p(wm8750_spi_remove),
};
+
+static int wm8750_spi_write(struct spi_device *spi, const char *data, int len)
+{
+ struct spi_transfer t;
+ struct spi_message m;
+ u8 msg[2];
+
+ if (len <= 0)
+ return 0;
+
+ msg[0] = data[0];
+ msg[1] = data[1];
+
+ spi_message_init(&m);
+ memset(&t, 0, (sizeof t));
+
+ t.tx_buf = &msg[0];
+ t.len = len;
+
+ spi_message_add_tail(&t, &m);
+ spi_sync(spi, &m);
+
+ return len;
+}
#endif
static int wm8750_probe(struct platform_device *pdev)
@@ -931,7 +991,7 @@ static int wm8750_probe(struct platform_device *pdev)
struct wm8750_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec;
struct wm8750_priv *wm8750;
- int ret = 0;
+ int ret;
pr_info("WM8750 Audio Codec %s", WM8750_VERSION);
codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
@@ -952,16 +1012,21 @@ static int wm8750_probe(struct platform_device *pdev)
wm8750_socdev = socdev;
INIT_DELAYED_WORK(&codec->delayed_work, wm8750_work);
+ ret = -ENODEV;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
- ret = i2c_add_driver(&wm8750_i2c_driver);
+ ret = wm8750_add_i2c_device(pdev, setup);
+ }
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ if (setup->spi) {
+ codec->hw_write = (hw_write_t)wm8750_spi_write;
+ ret = spi_register_driver(&wm8750_spi_driver);
if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ printk(KERN_ERR "can't add spi driver");
}
-#else
- /* Add other interfaces here */
#endif
if (ret != 0) {
@@ -1002,8 +1067,12 @@ static int wm8750_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&wm8750_i2c_driver);
#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8750_spi_driver);
+#endif
kfree(codec->private_data);
kfree(codec);
diff --git a/sound/soc/codecs/wm8750.h b/sound/soc/codecs/wm8750.h
index 8ef30e6..1dc100e 100644
--- a/sound/soc/codecs/wm8750.h
+++ b/sound/soc/codecs/wm8750.h
@@ -58,6 +58,8 @@
#define WM8750_SYSCLK 0
struct wm8750_setup_data {
+ int spi;
+ int i2c_bus;
unsigned short i2c_address;
};
diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index 5761164..8c4df44 100644
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -583,7 +583,7 @@ static const struct snd_soc_dapm_route audio_map[] = {
/* out 4 */
{"Out4 Mux", "VREF", "VREF"},
- {"Out4 Mux", "Capture ST", "Capture ST Mixer"},
+ {"Out4 Mux", "Capture ST", "Playback Mixer"},
{"Out4 Mux", "LOUT2", "LOUT2"},
{"Out 4", NULL, "Out4 Mux"},
{"OUT4", NULL, "Out 4"},
@@ -607,7 +607,7 @@ static const struct snd_soc_dapm_route audio_map[] = {
/* Capture Right Mux */
{"Capture Right Mux", "PGA", "Right Capture Volume"},
{"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"},
- {"Capture Right Mux", "Sidetone", "Capture ST Mixer"},
+ {"Capture Right Mux", "Sidetone", "Playback Mixer"},
/* Mono Capture mixer-mux */
{"Capture Right Mixer", "Stereo", "Capture Right Mux"},
@@ -1637,84 +1637,86 @@ static struct snd_soc_device *wm8753_socdev;
* low = 0x1a
* high = 0x1b
*/
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver wm8753_i2c_driver;
-static struct i2c_client client_template;
-
-static int wm8753_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int wm8753_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = wm8753_socdev;
- struct wm8753_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (!i2c)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- pr_err("failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = wm8753_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
pr_err("failed to initialise WM8753\n");
- goto err;
- }
-
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int wm8753_i2c_detach(struct i2c_client *client)
+static int wm8753_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int wm8753_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, wm8753_codec_probe);
-}
+static const struct i2c_device_id wm8753_i2c_id[] = {
+ { "wm8753", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id);
-/* corgi i2c codec control layer */
static struct i2c_driver wm8753_i2c_driver = {
.driver = {
.name = "WM8753 I2C Codec",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_WM8753,
- .attach_adapter = wm8753_i2c_attach,
- .detach_client = wm8753_i2c_detach,
- .command = NULL,
+ .probe = wm8753_i2c_probe,
+ .remove = wm8753_i2c_remove,
+ .id_table = wm8753_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "WM8753",
- .driver = &wm8753_i2c_driver,
-};
+static int wm8753_add_i2c_device(struct platform_device *pdev,
+ const struct wm8753_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&wm8753_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "wm8753", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&wm8753_i2c_driver);
+ return -ENODEV;
+}
#endif
static int wm8753_probe(struct platform_device *pdev)
@@ -1748,11 +1750,8 @@ static int wm8753_probe(struct platform_device *pdev)
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
- ret = i2c_add_driver(&wm8753_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ ret = wm8753_add_i2c_device(pdev, setup);
}
#else
/* Add other interfaces here */
@@ -1796,6 +1795,7 @@ static int wm8753_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&wm8753_i2c_driver);
#endif
kfree(codec->private_data);
diff --git a/sound/soc/codecs/wm8753.h b/sound/soc/codecs/wm8753.h
index 44f5f1f..7defde0 100644
--- a/sound/soc/codecs/wm8753.h
+++ b/sound/soc/codecs/wm8753.h
@@ -79,6 +79,7 @@
#define WM8753_ADCTL2 0x3f
struct wm8753_setup_data {
+ int i2c_bus;
unsigned short i2c_address;
};
diff --git a/sound/soc/codecs/wm8900.c b/sound/soc/codecs/wm8900.c
new file mode 100644
index 0000000..0b8c6d3
--- /dev/null
+++ b/sound/soc/codecs/wm8900.c
@@ -0,0 +1,1542 @@
+/*
+ * wm8900.c -- WM8900 ALSA Soc Audio driver
+ *
+ * Copyright 2007, 2008 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * TODO:
+ * - Tristating.
+ * - TDM.
+ * - Jack detect.
+ * - FLL source configuration, currently only MCLK is supported.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#include "wm8900.h"
+
+/* WM8900 register space */
+#define WM8900_REG_RESET 0x0
+#define WM8900_REG_ID 0x0
+#define WM8900_REG_POWER1 0x1
+#define WM8900_REG_POWER2 0x2
+#define WM8900_REG_POWER3 0x3
+#define WM8900_REG_AUDIO1 0x4
+#define WM8900_REG_AUDIO2 0x5
+#define WM8900_REG_CLOCKING1 0x6
+#define WM8900_REG_CLOCKING2 0x7
+#define WM8900_REG_AUDIO3 0x8
+#define WM8900_REG_AUDIO4 0x9
+#define WM8900_REG_DACCTRL 0xa
+#define WM8900_REG_LDAC_DV 0xb
+#define WM8900_REG_RDAC_DV 0xc
+#define WM8900_REG_SIDETONE 0xd
+#define WM8900_REG_ADCCTRL 0xe
+#define WM8900_REG_LADC_DV 0xf
+#define WM8900_REG_RADC_DV 0x10
+#define WM8900_REG_GPIO 0x12
+#define WM8900_REG_INCTL 0x15
+#define WM8900_REG_LINVOL 0x16
+#define WM8900_REG_RINVOL 0x17
+#define WM8900_REG_INBOOSTMIX1 0x18
+#define WM8900_REG_INBOOSTMIX2 0x19
+#define WM8900_REG_ADCPATH 0x1a
+#define WM8900_REG_AUXBOOST 0x1b
+#define WM8900_REG_ADDCTL 0x1e
+#define WM8900_REG_FLLCTL1 0x24
+#define WM8900_REG_FLLCTL2 0x25
+#define WM8900_REG_FLLCTL3 0x26
+#define WM8900_REG_FLLCTL4 0x27
+#define WM8900_REG_FLLCTL5 0x28
+#define WM8900_REG_FLLCTL6 0x29
+#define WM8900_REG_LOUTMIXCTL1 0x2c
+#define WM8900_REG_ROUTMIXCTL1 0x2d
+#define WM8900_REG_BYPASS1 0x2e
+#define WM8900_REG_BYPASS2 0x2f
+#define WM8900_REG_AUXOUT_CTL 0x30
+#define WM8900_REG_LOUT1CTL 0x33
+#define WM8900_REG_ROUT1CTL 0x34
+#define WM8900_REG_LOUT2CTL 0x35
+#define WM8900_REG_ROUT2CTL 0x36
+#define WM8900_REG_HPCTL1 0x3a
+#define WM8900_REG_OUTBIASCTL 0x73
+
+#define WM8900_MAXREG 0x80
+
+#define WM8900_REG_ADDCTL_OUT1_DIS 0x80
+#define WM8900_REG_ADDCTL_OUT2_DIS 0x40
+#define WM8900_REG_ADDCTL_VMID_DIS 0x20
+#define WM8900_REG_ADDCTL_BIAS_SRC 0x10
+#define WM8900_REG_ADDCTL_VMID_SOFTST 0x04
+#define WM8900_REG_ADDCTL_TEMP_SD 0x02
+
+#define WM8900_REG_GPIO_TEMP_ENA 0x2
+
+#define WM8900_REG_POWER1_STARTUP_BIAS_ENA 0x0100
+#define WM8900_REG_POWER1_BIAS_ENA 0x0008
+#define WM8900_REG_POWER1_VMID_BUF_ENA 0x0004
+#define WM8900_REG_POWER1_FLL_ENA 0x0040
+
+#define WM8900_REG_POWER2_SYSCLK_ENA 0x8000
+#define WM8900_REG_POWER2_ADCL_ENA 0x0002
+#define WM8900_REG_POWER2_ADCR_ENA 0x0001
+
+#define WM8900_REG_POWER3_DACL_ENA 0x0002
+#define WM8900_REG_POWER3_DACR_ENA 0x0001
+
+#define WM8900_REG_AUDIO1_AIF_FMT_MASK 0x0018
+#define WM8900_REG_AUDIO1_LRCLK_INV 0x0080
+#define WM8900_REG_AUDIO1_BCLK_INV 0x0100
+
+#define WM8900_REG_CLOCKING1_BCLK_DIR 0x1
+#define WM8900_REG_CLOCKING1_MCLK_SRC 0x100
+#define WM8900_REG_CLOCKING1_BCLK_MASK (~0x01e)
+#define WM8900_REG_CLOCKING1_OPCLK_MASK (~0x7000)
+
+#define WM8900_REG_CLOCKING2_ADC_CLKDIV 0xe0
+#define WM8900_REG_CLOCKING2_DAC_CLKDIV 0x1c
+
+#define WM8900_REG_DACCTRL_MUTE 0x004
+#define WM8900_REG_DACCTRL_AIF_LRCLKRATE 0x400
+
+#define WM8900_REG_AUDIO3_ADCLRC_DIR 0x0800
+
+#define WM8900_REG_AUDIO4_DACLRC_DIR 0x0800
+
+#define WM8900_REG_FLLCTL1_OSC_ENA 0x100
+
+#define WM8900_REG_FLLCTL6_FLL_SLOW_LOCK_REF 0x100
+
+#define WM8900_REG_HPCTL1_HP_IPSTAGE_ENA 0x80
+#define WM8900_REG_HPCTL1_HP_OPSTAGE_ENA 0x40
+#define WM8900_REG_HPCTL1_HP_CLAMP_IP 0x20
+#define WM8900_REG_HPCTL1_HP_CLAMP_OP 0x10
+#define WM8900_REG_HPCTL1_HP_SHORT 0x08
+#define WM8900_REG_HPCTL1_HP_SHORT2 0x04
+
+#define WM8900_LRC_MASK 0xfc00
+
+struct snd_soc_codec_device soc_codec_dev_wm8900;
+
+struct wm8900_priv {
+ u32 fll_in; /* FLL input frequency */
+ u32 fll_out; /* FLL output frequency */
+};
+
+/*
+ * wm8900 register cache. We can't read the entire register space and we
+ * have slow control buses so we cache the registers.
+ */
+static const u16 wm8900_reg_defaults[WM8900_MAXREG] = {
+ 0x8900, 0x0000,
+ 0xc000, 0x0000,
+ 0x4050, 0x4000,
+ 0x0008, 0x0000,
+ 0x0040, 0x0040,
+ 0x1004, 0x00c0,
+ 0x00c0, 0x0000,
+ 0x0100, 0x00c0,
+ 0x00c0, 0x0000,
+ 0xb001, 0x0000,
+ 0x0000, 0x0044,
+ 0x004c, 0x004c,
+ 0x0044, 0x0044,
+ 0x0000, 0x0044,
+ 0x0000, 0x0000,
+ 0x0002, 0x0000,
+ 0x0000, 0x0000,
+ 0x0000, 0x0000,
+ 0x0008, 0x0000,
+ 0x0000, 0x0008,
+ 0x0097, 0x0100,
+ 0x0000, 0x0000,
+ 0x0050, 0x0050,
+ 0x0055, 0x0055,
+ 0x0055, 0x0000,
+ 0x0000, 0x0079,
+ 0x0079, 0x0079,
+ 0x0079, 0x0000,
+ /* Remaining registers all zero */
+};
+
+/*
+ * read wm8900 register cache
+ */
+static inline unsigned int wm8900_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+
+ BUG_ON(reg >= WM8900_MAXREG);
+
+ if (reg == WM8900_REG_ID)
+ return 0;
+
+ return cache[reg];
+}
+
+/*
+ * write wm8900 register cache
+ */
+static inline void wm8900_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+
+ BUG_ON(reg >= WM8900_MAXREG);
+
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8900 register space
+ */
+static int wm8900_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[3];
+
+ if (value == wm8900_read_reg_cache(codec, reg))
+ return 0;
+
+ /* data is
+ * D15..D9 WM8900 register offset
+ * D8...D0 register data
+ */
+ data[0] = reg;
+ data[1] = value >> 8;
+ data[2] = value & 0x00ff;
+
+ wm8900_write_reg_cache(codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 3) == 3)
+ return 0;
+ else
+ return -EIO;
+}
+
+/*
+ * Read from the wm8900.
+ */
+static unsigned int wm8900_chip_read(struct snd_soc_codec *codec, u8 reg)
+{
+ struct i2c_msg xfer[2];
+ u16 data;
+ int ret;
+ struct i2c_client *client = codec->control_data;
+
+ BUG_ON(reg != WM8900_REG_ID && reg != WM8900_REG_POWER1);
+
+ /* Write register */
+ xfer[0].addr = client->addr;
+ xfer[0].flags = 0;
+ xfer[0].len = 1;
+ xfer[0].buf = &reg;
+
+ /* Read data */
+ xfer[1].addr = client->addr;
+ xfer[1].flags = I2C_M_RD;
+ xfer[1].len = 2;
+ xfer[1].buf = (u8 *)&data;
+
+ ret = i2c_transfer(client->adapter, xfer, 2);
+ if (ret != 2) {
+ printk(KERN_CRIT "i2c_transfer returned %d\n", ret);
+ return 0;
+ }
+
+ return (data >> 8) | ((data & 0xff) << 8);
+}
+
+/*
+ * Read from the WM8900 register space. Most registers can't be read
+ * and are therefore supplied from cache.
+ */
+static unsigned int wm8900_read(struct snd_soc_codec *codec, unsigned int reg)
+{
+ switch (reg) {
+ case WM8900_REG_ID:
+ return wm8900_chip_read(codec, reg);
+ default:
+ return wm8900_read_reg_cache(codec, reg);
+ }
+}
+
+static void wm8900_reset(struct snd_soc_codec *codec)
+{
+ wm8900_write(codec, WM8900_REG_RESET, 0);
+
+ memcpy(codec->reg_cache, wm8900_reg_defaults,
+ sizeof(codec->reg_cache));
+}
+
+static int wm8900_hp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ u16 hpctl1 = wm8900_read(codec, WM8900_REG_HPCTL1);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ /* Clamp headphone outputs */
+ hpctl1 = WM8900_REG_HPCTL1_HP_CLAMP_IP |
+ WM8900_REG_HPCTL1_HP_CLAMP_OP;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+ break;
+
+ case SND_SOC_DAPM_POST_PMU:
+ /* Enable the input stage */
+ hpctl1 &= ~WM8900_REG_HPCTL1_HP_CLAMP_IP;
+ hpctl1 |= WM8900_REG_HPCTL1_HP_SHORT |
+ WM8900_REG_HPCTL1_HP_SHORT2 |
+ WM8900_REG_HPCTL1_HP_IPSTAGE_ENA;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+
+ msleep(400);
+
+ /* Enable the output stage */
+ hpctl1 &= ~WM8900_REG_HPCTL1_HP_CLAMP_OP;
+ hpctl1 |= WM8900_REG_HPCTL1_HP_OPSTAGE_ENA;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+
+ /* Remove the shorts */
+ hpctl1 &= ~WM8900_REG_HPCTL1_HP_SHORT2;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+ hpctl1 &= ~WM8900_REG_HPCTL1_HP_SHORT;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+ break;
+
+ case SND_SOC_DAPM_PRE_PMD:
+ /* Short the output */
+ hpctl1 |= WM8900_REG_HPCTL1_HP_SHORT;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+
+ /* Disable the output stage */
+ hpctl1 &= ~WM8900_REG_HPCTL1_HP_OPSTAGE_ENA;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+
+ /* Clamp the outputs and power down input */
+ hpctl1 |= WM8900_REG_HPCTL1_HP_CLAMP_IP |
+ WM8900_REG_HPCTL1_HP_CLAMP_OP;
+ hpctl1 &= ~WM8900_REG_HPCTL1_HP_IPSTAGE_ENA;
+ wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1);
+ break;
+
+ case SND_SOC_DAPM_POST_PMD:
+ /* Disable everything */
+ wm8900_write(codec, WM8900_REG_HPCTL1, 0);
+ break;
+
+ default:
+ BUG();
+ }
+
+ return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 100, 0);
+
+static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 0);
+
+static const DECLARE_TLV_DB_SCALE(in_boost_tlv, -1200, 600, 0);
+
+static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1200, 100, 0);
+
+static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
+
+static const DECLARE_TLV_DB_SCALE(dac_tlv, -7200, 75, 1);
+
+static const DECLARE_TLV_DB_SCALE(adc_svol_tlv, -3600, 300, 0);
+
+static const DECLARE_TLV_DB_SCALE(adc_tlv, -7200, 75, 1);
+
+static const char *mic_bias_level_txt[] = { "0.9*AVDD", "0.65*AVDD" };
+
+static const struct soc_enum mic_bias_level =
+SOC_ENUM_SINGLE(WM8900_REG_INCTL, 8, 2, mic_bias_level_txt);
+
+static const char *dac_mute_rate_txt[] = { "Fast", "Slow" };
+
+static const struct soc_enum dac_mute_rate =
+SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 7, 2, dac_mute_rate_txt);
+
+static const char *dac_deemphasis_txt[] = {
+ "Disabled", "32kHz", "44.1kHz", "48kHz"
+};
+
+static const struct soc_enum dac_deemphasis =
+SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 4, 4, dac_deemphasis_txt);
+
+static const char *adc_hpf_cut_txt[] = {
+ "Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"
+};
+
+static const struct soc_enum adc_hpf_cut =
+SOC_ENUM_SINGLE(WM8900_REG_ADCCTRL, 5, 4, adc_hpf_cut_txt);
+
+static const char *lr_txt[] = {
+ "Left", "Right"
+};
+
+static const struct soc_enum aifl_src =
+SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 15, 2, lr_txt);
+
+static const struct soc_enum aifr_src =
+SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 14, 2, lr_txt);
+
+static const struct soc_enum dacl_src =
+SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 15, 2, lr_txt);
+
+static const struct soc_enum dacr_src =
+SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 14, 2, lr_txt);
+
+static const char *sidetone_txt[] = {
+ "Disabled", "Left ADC", "Right ADC"
+};
+
+static const struct soc_enum dacl_sidetone =
+SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 2, 3, sidetone_txt);
+
+static const struct soc_enum dacr_sidetone =
+SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 0, 3, sidetone_txt);
+
+static const struct snd_kcontrol_new wm8900_snd_controls[] = {
+SOC_ENUM("Mic Bias Level", mic_bias_level),
+
+SOC_SINGLE_TLV("Left Input PGA Volume", WM8900_REG_LINVOL, 0, 31, 0,
+ in_pga_tlv),
+SOC_SINGLE("Left Input PGA Switch", WM8900_REG_LINVOL, 6, 1, 1),
+SOC_SINGLE("Left Input PGA ZC Switch", WM8900_REG_LINVOL, 7, 1, 0),
+
+SOC_SINGLE_TLV("Right Input PGA Volume", WM8900_REG_RINVOL, 0, 31, 0,
+ in_pga_tlv),
+SOC_SINGLE("Right Input PGA Switch", WM8900_REG_RINVOL, 6, 1, 1),
+SOC_SINGLE("Right Input PGA ZC Switch", WM8900_REG_RINVOL, 7, 1, 0),
+
+SOC_SINGLE("DAC Soft Mute Switch", WM8900_REG_DACCTRL, 6, 1, 1),
+SOC_ENUM("DAC Mute Rate", dac_mute_rate),
+SOC_SINGLE("DAC Mono Switch", WM8900_REG_DACCTRL, 9, 1, 0),
+SOC_ENUM("DAC Deemphasis", dac_deemphasis),
+SOC_SINGLE("DAC Sloping Stopband Filter Switch", WM8900_REG_DACCTRL, 8, 1, 0),
+SOC_SINGLE("DAC Sigma-Delta Modulator Clock Switch", WM8900_REG_DACCTRL,
+ 12, 1, 0),
+
+SOC_SINGLE("ADC HPF Switch", WM8900_REG_ADCCTRL, 8, 1, 0),
+SOC_ENUM("ADC HPF Cut-Off", adc_hpf_cut),
+SOC_DOUBLE("ADC Invert Switch", WM8900_REG_ADCCTRL, 1, 0, 1, 0),
+SOC_SINGLE_TLV("Left ADC Sidetone Volume", WM8900_REG_SIDETONE, 9, 12, 0,
+ adc_svol_tlv),
+SOC_SINGLE_TLV("Right ADC Sidetone Volume", WM8900_REG_SIDETONE, 5, 12, 0,
+ adc_svol_tlv),
+SOC_ENUM("Left Digital Audio Source", aifl_src),
+SOC_ENUM("Right Digital Audio Source", aifr_src),
+
+SOC_SINGLE_TLV("DAC Input Boost Volume", WM8900_REG_AUDIO2, 10, 4, 0,
+ dac_boost_tlv),
+SOC_ENUM("Left DAC Source", dacl_src),
+SOC_ENUM("Right DAC Source", dacr_src),
+SOC_ENUM("Left DAC Sidetone", dacl_sidetone),
+SOC_ENUM("Right DAC Sidetone", dacr_sidetone),
+SOC_DOUBLE("DAC Invert Switch", WM8900_REG_DACCTRL, 1, 0, 1, 0),
+
+SOC_DOUBLE_R_TLV("Digital Playback Volume",
+ WM8900_REG_LDAC_DV, WM8900_REG_RDAC_DV,
+ 1, 96, 0, dac_tlv),
+SOC_DOUBLE_R_TLV("Digital Capture Volume",
+ WM8900_REG_LADC_DV, WM8900_REG_RADC_DV, 1, 119, 0, adc_tlv),
+
+SOC_SINGLE_TLV("LINPUT3 Bypass Volume", WM8900_REG_LOUTMIXCTL1, 4, 7, 0,
+ out_mix_tlv),
+SOC_SINGLE_TLV("RINPUT3 Bypass Volume", WM8900_REG_ROUTMIXCTL1, 4, 7, 0,
+ out_mix_tlv),
+SOC_SINGLE_TLV("Left AUX Bypass Volume", WM8900_REG_AUXOUT_CTL, 4, 7, 0,
+ out_mix_tlv),
+SOC_SINGLE_TLV("Right AUX Bypass Volume", WM8900_REG_AUXOUT_CTL, 0, 7, 0,
+ out_mix_tlv),
+
+SOC_SINGLE_TLV("LeftIn to RightOut Mixer Volume", WM8900_REG_BYPASS1, 0, 7, 0,
+ out_mix_tlv),
+SOC_SINGLE_TLV("LeftIn to LeftOut Mixer Volume", WM8900_REG_BYPASS1, 4, 7, 0,
+ out_mix_tlv),
+SOC_SINGLE_TLV("RightIn to LeftOut Mixer Volume", WM8900_REG_BYPASS2, 0, 7, 0,
+ out_mix_tlv),
+SOC_SINGLE_TLV("RightIn to RightOut Mixer Volume", WM8900_REG_BYPASS2, 4, 7, 0,
+ out_mix_tlv),
+
+SOC_SINGLE_TLV("IN2L Boost Volume", WM8900_REG_INBOOSTMIX1, 0, 3, 0,
+ in_boost_tlv),
+SOC_SINGLE_TLV("IN3L Boost Volume", WM8900_REG_INBOOSTMIX1, 4, 3, 0,
+ in_boost_tlv),
+SOC_SINGLE_TLV("IN2R Boost Volume", WM8900_REG_INBOOSTMIX2, 0, 3, 0,
+ in_boost_tlv),
+SOC_SINGLE_TLV("IN3R Boost Volume", WM8900_REG_INBOOSTMIX2, 4, 3, 0,
+ in_boost_tlv),
+SOC_SINGLE_TLV("Left AUX Boost Volume", WM8900_REG_AUXBOOST, 4, 3, 0,
+ in_boost_tlv),
+SOC_SINGLE_TLV("Right AUX Boost Volume", WM8900_REG_AUXBOOST, 0, 3, 0,
+ in_boost_tlv),
+
+SOC_DOUBLE_R_TLV("LINEOUT1 Volume", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL,
+ 0, 63, 0, out_pga_tlv),
+SOC_DOUBLE_R("LINEOUT1 Switch", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL,
+ 6, 1, 1),
+SOC_DOUBLE_R("LINEOUT1 ZC Switch", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL,
+ 7, 1, 0),
+
+SOC_DOUBLE_R_TLV("LINEOUT2 Volume",
+ WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL,
+ 0, 63, 0, out_pga_tlv),
+SOC_DOUBLE_R("LINEOUT2 Switch",
+ WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, 6, 1, 1),
+SOC_DOUBLE_R("LINEOUT2 ZC Switch",
+ WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, 7, 1, 0),
+SOC_SINGLE("LINEOUT2 LP -12dB", WM8900_REG_LOUTMIXCTL1,
+ 0, 1, 1),
+
+};
+
+/* add non dapm controls */
+static int wm8900_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8900_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8900_snd_controls[i],
+ codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new wm8900_dapm_loutput2_control =
+SOC_DAPM_SINGLE("LINEOUT2L Switch", WM8900_REG_POWER3, 6, 1, 0);
+
+static const struct snd_kcontrol_new wm8900_dapm_routput2_control =
+SOC_DAPM_SINGLE("LINEOUT2R Switch", WM8900_REG_POWER3, 5, 1, 0);
+
+static const struct snd_kcontrol_new wm8900_loutmix_controls[] = {
+SOC_DAPM_SINGLE("LINPUT3 Bypass Switch", WM8900_REG_LOUTMIXCTL1, 7, 1, 0),
+SOC_DAPM_SINGLE("AUX Bypass Switch", WM8900_REG_AUXOUT_CTL, 7, 1, 0),
+SOC_DAPM_SINGLE("Left Input Mixer Switch", WM8900_REG_BYPASS1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Input Mixer Switch", WM8900_REG_BYPASS2, 3, 1, 0),
+SOC_DAPM_SINGLE("DACL Switch", WM8900_REG_LOUTMIXCTL1, 8, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8900_routmix_controls[] = {
+SOC_DAPM_SINGLE("RINPUT3 Bypass Switch", WM8900_REG_ROUTMIXCTL1, 7, 1, 0),
+SOC_DAPM_SINGLE("AUX Bypass Switch", WM8900_REG_AUXOUT_CTL, 3, 1, 0),
+SOC_DAPM_SINGLE("Left Input Mixer Switch", WM8900_REG_BYPASS1, 3, 1, 0),
+SOC_DAPM_SINGLE("Right Input Mixer Switch", WM8900_REG_BYPASS2, 7, 1, 0),
+SOC_DAPM_SINGLE("DACR Switch", WM8900_REG_ROUTMIXCTL1, 8, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8900_linmix_controls[] = {
+SOC_DAPM_SINGLE("LINPUT2 Switch", WM8900_REG_INBOOSTMIX1, 2, 1, 1),
+SOC_DAPM_SINGLE("LINPUT3 Switch", WM8900_REG_INBOOSTMIX1, 6, 1, 1),
+SOC_DAPM_SINGLE("AUX Switch", WM8900_REG_AUXBOOST, 6, 1, 1),
+SOC_DAPM_SINGLE("Input PGA Switch", WM8900_REG_ADCPATH, 6, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8900_rinmix_controls[] = {
+SOC_DAPM_SINGLE("RINPUT2 Switch", WM8900_REG_INBOOSTMIX2, 2, 1, 1),
+SOC_DAPM_SINGLE("RINPUT3 Switch", WM8900_REG_INBOOSTMIX2, 6, 1, 1),
+SOC_DAPM_SINGLE("AUX Switch", WM8900_REG_AUXBOOST, 2, 1, 1),
+SOC_DAPM_SINGLE("Input PGA Switch", WM8900_REG_ADCPATH, 2, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8900_linpga_controls[] = {
+SOC_DAPM_SINGLE("LINPUT1 Switch", WM8900_REG_INCTL, 6, 1, 0),
+SOC_DAPM_SINGLE("LINPUT2 Switch", WM8900_REG_INCTL, 5, 1, 0),
+SOC_DAPM_SINGLE("LINPUT3 Switch", WM8900_REG_INCTL, 4, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8900_rinpga_controls[] = {
+SOC_DAPM_SINGLE("RINPUT1 Switch", WM8900_REG_INCTL, 2, 1, 0),
+SOC_DAPM_SINGLE("RINPUT2 Switch", WM8900_REG_INCTL, 1, 1, 0),
+SOC_DAPM_SINGLE("RINPUT3 Switch", WM8900_REG_INCTL, 0, 1, 0),
+};
+
+static const char *wm9700_lp_mux[] = { "Disabled", "Enabled" };
+
+static const struct soc_enum wm8900_lineout2_lp_mux =
+SOC_ENUM_SINGLE(WM8900_REG_LOUTMIXCTL1, 1, 2, wm9700_lp_mux);
+
+static const struct snd_kcontrol_new wm8900_lineout2_lp =
+SOC_DAPM_ENUM("Route", wm8900_lineout2_lp_mux);
+
+static const struct snd_soc_dapm_widget wm8900_dapm_widgets[] = {
+
+/* Externally visible pins */
+SND_SOC_DAPM_OUTPUT("LINEOUT1L"),
+SND_SOC_DAPM_OUTPUT("LINEOUT1R"),
+SND_SOC_DAPM_OUTPUT("LINEOUT2L"),
+SND_SOC_DAPM_OUTPUT("LINEOUT2R"),
+SND_SOC_DAPM_OUTPUT("HP_L"),
+SND_SOC_DAPM_OUTPUT("HP_R"),
+
+SND_SOC_DAPM_INPUT("RINPUT1"),
+SND_SOC_DAPM_INPUT("LINPUT1"),
+SND_SOC_DAPM_INPUT("RINPUT2"),
+SND_SOC_DAPM_INPUT("LINPUT2"),
+SND_SOC_DAPM_INPUT("RINPUT3"),
+SND_SOC_DAPM_INPUT("LINPUT3"),
+SND_SOC_DAPM_INPUT("AUX"),
+
+SND_SOC_DAPM_VMID("VMID"),
+
+/* Input */
+SND_SOC_DAPM_MIXER("Left Input PGA", WM8900_REG_POWER2, 3, 0,
+ wm8900_linpga_controls,
+ ARRAY_SIZE(wm8900_linpga_controls)),
+SND_SOC_DAPM_MIXER("Right Input PGA", WM8900_REG_POWER2, 2, 0,
+ wm8900_rinpga_controls,
+ ARRAY_SIZE(wm8900_rinpga_controls)),
+
+SND_SOC_DAPM_MIXER("Left Input Mixer", WM8900_REG_POWER2, 5, 0,
+ wm8900_linmix_controls,
+ ARRAY_SIZE(wm8900_linmix_controls)),
+SND_SOC_DAPM_MIXER("Right Input Mixer", WM8900_REG_POWER2, 4, 0,
+ wm8900_rinmix_controls,
+ ARRAY_SIZE(wm8900_rinmix_controls)),
+
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8900_REG_POWER1, 4, 0),
+
+SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8900_REG_POWER2, 1, 0),
+SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8900_REG_POWER2, 0, 0),
+
+/* Output */
+SND_SOC_DAPM_DAC("DACL", "Left HiFi Playback", WM8900_REG_POWER3, 1, 0),
+SND_SOC_DAPM_DAC("DACR", "Right HiFi Playback", WM8900_REG_POWER3, 0, 0),
+
+SND_SOC_DAPM_PGA_E("Headphone Amplifier", WM8900_REG_POWER3, 7, 0, NULL, 0,
+ wm8900_hp_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+
+SND_SOC_DAPM_PGA("LINEOUT1L PGA", WM8900_REG_POWER2, 8, 0, NULL, 0),
+SND_SOC_DAPM_PGA("LINEOUT1R PGA", WM8900_REG_POWER2, 7, 0, NULL, 0),
+
+SND_SOC_DAPM_MUX("LINEOUT2 LP", SND_SOC_NOPM, 0, 0, &wm8900_lineout2_lp),
+SND_SOC_DAPM_PGA("LINEOUT2L PGA", WM8900_REG_POWER3, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("LINEOUT2R PGA", WM8900_REG_POWER3, 5, 0, NULL, 0),
+
+SND_SOC_DAPM_MIXER("Left Output Mixer", WM8900_REG_POWER3, 3, 0,
+ wm8900_loutmix_controls,
+ ARRAY_SIZE(wm8900_loutmix_controls)),
+SND_SOC_DAPM_MIXER("Right Output Mixer", WM8900_REG_POWER3, 2, 0,
+ wm8900_routmix_controls,
+ ARRAY_SIZE(wm8900_routmix_controls)),
+};
+
+/* Target, Path, Source */
+static const struct snd_soc_dapm_route audio_map[] = {
+/* Inputs */
+{"Left Input PGA", "LINPUT1 Switch", "LINPUT1"},
+{"Left Input PGA", "LINPUT2 Switch", "LINPUT2"},
+{"Left Input PGA", "LINPUT3 Switch", "LINPUT3"},
+
+{"Right Input PGA", "RINPUT1 Switch", "RINPUT1"},
+{"Right Input PGA", "RINPUT2 Switch", "RINPUT2"},
+{"Right Input PGA", "RINPUT3 Switch", "RINPUT3"},
+
+{"Left Input Mixer", "LINPUT2 Switch", "LINPUT2"},
+{"Left Input Mixer", "LINPUT3 Switch", "LINPUT3"},
+{"Left Input Mixer", "AUX Switch", "AUX"},
+{"Left Input Mixer", "Input PGA Switch", "Left Input PGA"},
+
+{"Right Input Mixer", "RINPUT2 Switch", "RINPUT2"},
+{"Right Input Mixer", "RINPUT3 Switch", "RINPUT3"},
+{"Right Input Mixer", "AUX Switch", "AUX"},
+{"Right Input Mixer", "Input PGA Switch", "Right Input PGA"},
+
+{"ADCL", NULL, "Left Input Mixer"},
+{"ADCR", NULL, "Right Input Mixer"},
+
+/* Outputs */
+{"LINEOUT1L", NULL, "LINEOUT1L PGA"},
+{"LINEOUT1L PGA", NULL, "Left Output Mixer"},
+{"LINEOUT1R", NULL, "LINEOUT1R PGA"},
+{"LINEOUT1R PGA", NULL, "Right Output Mixer"},
+
+{"LINEOUT2L PGA", NULL, "Left Output Mixer"},
+{"LINEOUT2 LP", "Disabled", "LINEOUT2L PGA"},
+{"LINEOUT2 LP", "Enabled", "Left Output Mixer"},
+{"LINEOUT2L", NULL, "LINEOUT2 LP"},
+
+{"LINEOUT2R PGA", NULL, "Right Output Mixer"},
+{"LINEOUT2 LP", "Disabled", "LINEOUT2R PGA"},
+{"LINEOUT2 LP", "Enabled", "Right Output Mixer"},
+{"LINEOUT2R", NULL, "LINEOUT2 LP"},
+
+{"Left Output Mixer", "LINPUT3 Bypass Switch", "LINPUT3"},
+{"Left Output Mixer", "AUX Bypass Switch", "AUX"},
+{"Left Output Mixer", "Left Input Mixer Switch", "Left Input Mixer"},
+{"Left Output Mixer", "Right Input Mixer Switch", "Right Input Mixer"},
+{"Left Output Mixer", "DACL Switch", "DACL"},
+
+{"Right Output Mixer", "RINPUT3 Bypass Switch", "RINPUT3"},
+{"Right Output Mixer", "AUX Bypass Switch", "AUX"},
+{"Right Output Mixer", "Left Input Mixer Switch", "Left Input Mixer"},
+{"Right Output Mixer", "Right Input Mixer Switch", "Right Input Mixer"},
+{"Right Output Mixer", "DACR Switch", "DACR"},
+
+/* Note that the headphone output stage needs to be connected
+ * externally to LINEOUT2 via DC blocking capacitors. Other
+ * configurations are not supported.
+ *
+ * Note also that left and right headphone paths are treated as a
+ * mono path.
+ */
+{"Headphone Amplifier", NULL, "LINEOUT2 LP"},
+{"Headphone Amplifier", NULL, "LINEOUT2 LP"},
+{"HP_L", NULL, "Headphone Amplifier"},
+{"HP_R", NULL, "Headphone Amplifier"},
+};
+
+static int wm8900_add_widgets(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_new_controls(codec, wm8900_dapm_widgets,
+ ARRAY_SIZE(wm8900_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_new_widgets(codec);
+
+ return 0;
+}
+
+static int wm8900_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 reg;
+
+ reg = wm8900_read(codec, WM8900_REG_AUDIO1) & ~0x60;
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ reg |= 0x20;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ reg |= 0x40;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ reg |= 0x60;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wm8900_write(codec, WM8900_REG_AUDIO1, reg);
+
+ return 0;
+}
+
+/* FLL divisors */
+struct _fll_div {
+ u16 fll_ratio;
+ u16 fllclk_div;
+ u16 fll_slow_lock_ref;
+ u16 n;
+ u16 k;
+};
+
+/* The size in bits of the FLL divide multiplied by 10
+ * to allow rounding later */
+#define FIXED_FLL_SIZE ((1 << 16) * 10)
+
+static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
+ unsigned int Fout)
+{
+ u64 Kpart;
+ unsigned int K, Ndiv, Nmod, target;
+ unsigned int div;
+
+ BUG_ON(!Fout);
+
+ /* The FLL must run at 90-100MHz which is then scaled down to
+ * the output value by FLLCLK_DIV. */
+ target = Fout;
+ div = 1;
+ while (target < 90000000) {
+ div *= 2;
+ target *= 2;
+ }
+
+ if (target > 100000000)
+ printk(KERN_WARNING "wm8900: FLL rate %d out of range, Fref=%d"
+ " Fout=%d\n", target, Fref, Fout);
+ if (div > 32) {
+ printk(KERN_ERR "wm8900: Invalid FLL division rate %u, "
+ "Fref=%d, Fout=%d, target=%d\n",
+ div, Fref, Fout, target);
+ return -EINVAL;
+ }
+
+ fll_div->fllclk_div = div >> 2;
+
+ if (Fref < 48000)
+ fll_div->fll_slow_lock_ref = 1;
+ else
+ fll_div->fll_slow_lock_ref = 0;
+
+ Ndiv = target / Fref;
+
+ if (Fref < 1000000)
+ fll_div->fll_ratio = 8;
+ else
+ fll_div->fll_ratio = 1;
+
+ fll_div->n = Ndiv / fll_div->fll_ratio;
+ Nmod = (target / fll_div->fll_ratio) % Fref;
+
+ /* Calculate fractional part - scale up so we can round. */
+ Kpart = FIXED_FLL_SIZE * (long long)Nmod;
+
+ do_div(Kpart, Fref);
+
+ K = Kpart & 0xFFFFFFFF;
+
+ if ((K % 10) >= 5)
+ K += 5;
+
+ /* Move down to proper range now rounding is done */
+ fll_div->k = K / 10;
+
+ BUG_ON(target != Fout * (fll_div->fllclk_div << 2));
+ BUG_ON(!K && target != Fref * fll_div->fll_ratio * fll_div->n);
+
+ return 0;
+}
+
+static int wm8900_set_fll(struct snd_soc_codec *codec,
+ int fll_id, unsigned int freq_in, unsigned int freq_out)
+{
+ struct wm8900_priv *wm8900 = codec->private_data;
+ struct _fll_div fll_div;
+ unsigned int reg;
+
+ if (wm8900->fll_in == freq_in && wm8900->fll_out == freq_out)
+ return 0;
+
+ /* The digital side should be disabled during any change. */
+ reg = wm8900_read(codec, WM8900_REG_POWER1);
+ wm8900_write(codec, WM8900_REG_POWER1,
+ reg & (~WM8900_REG_POWER1_FLL_ENA));
+
+ /* Disable the FLL? */
+ if (!freq_in || !freq_out) {
+ reg = wm8900_read(codec, WM8900_REG_CLOCKING1);
+ wm8900_write(codec, WM8900_REG_CLOCKING1,
+ reg & (~WM8900_REG_CLOCKING1_MCLK_SRC));
+
+ reg = wm8900_read(codec, WM8900_REG_FLLCTL1);
+ wm8900_write(codec, WM8900_REG_FLLCTL1,
+ reg & (~WM8900_REG_FLLCTL1_OSC_ENA));
+
+ wm8900->fll_in = freq_in;
+ wm8900->fll_out = freq_out;
+
+ return 0;
+ }
+
+ if (fll_factors(&fll_div, freq_in, freq_out) != 0)
+ goto reenable;
+
+ wm8900->fll_in = freq_in;
+ wm8900->fll_out = freq_out;
+
+ /* The osclilator *MUST* be enabled before we enable the
+ * digital circuit. */
+ wm8900_write(codec, WM8900_REG_FLLCTL1,
+ fll_div.fll_ratio | WM8900_REG_FLLCTL1_OSC_ENA);
+
+ wm8900_write(codec, WM8900_REG_FLLCTL4, fll_div.n >> 5);
+ wm8900_write(codec, WM8900_REG_FLLCTL5,
+ (fll_div.fllclk_div << 6) | (fll_div.n & 0x1f));
+
+ if (fll_div.k) {
+ wm8900_write(codec, WM8900_REG_FLLCTL2,
+ (fll_div.k >> 8) | 0x100);
+ wm8900_write(codec, WM8900_REG_FLLCTL3, fll_div.k & 0xff);
+ } else
+ wm8900_write(codec, WM8900_REG_FLLCTL2, 0);
+
+ if (fll_div.fll_slow_lock_ref)
+ wm8900_write(codec, WM8900_REG_FLLCTL6,
+ WM8900_REG_FLLCTL6_FLL_SLOW_LOCK_REF);
+ else
+ wm8900_write(codec, WM8900_REG_FLLCTL6, 0);
+
+ reg = wm8900_read(codec, WM8900_REG_POWER1);
+ wm8900_write(codec, WM8900_REG_POWER1,
+ reg | WM8900_REG_POWER1_FLL_ENA);
+
+reenable:
+ reg = wm8900_read(codec, WM8900_REG_CLOCKING1);
+ wm8900_write(codec, WM8900_REG_CLOCKING1,
+ reg | WM8900_REG_CLOCKING1_MCLK_SRC);
+
+ return 0;
+}
+
+static int wm8900_set_dai_pll(struct snd_soc_dai *codec_dai,
+ int pll_id, unsigned int freq_in, unsigned int freq_out)
+{
+ return wm8900_set_fll(codec_dai->codec, pll_id, freq_in, freq_out);
+}
+
+static int wm8900_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
+ int div_id, int div)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ unsigned int reg;
+
+ switch (div_id) {
+ case WM8900_BCLK_DIV:
+ reg = wm8900_read(codec, WM8900_REG_CLOCKING1);
+ wm8900_write(codec, WM8900_REG_CLOCKING1,
+ div | (reg & WM8900_REG_CLOCKING1_BCLK_MASK));
+ break;
+ case WM8900_OPCLK_DIV:
+ reg = wm8900_read(codec, WM8900_REG_CLOCKING1);
+ wm8900_write(codec, WM8900_REG_CLOCKING1,
+ div | (reg & WM8900_REG_CLOCKING1_OPCLK_MASK));
+ break;
+ case WM8900_DAC_LRCLK:
+ reg = wm8900_read(codec, WM8900_REG_AUDIO4);
+ wm8900_write(codec, WM8900_REG_AUDIO4,
+ div | (reg & WM8900_LRC_MASK));
+ break;
+ case WM8900_ADC_LRCLK:
+ reg = wm8900_read(codec, WM8900_REG_AUDIO3);
+ wm8900_write(codec, WM8900_REG_AUDIO3,
+ div | (reg & WM8900_LRC_MASK));
+ break;
+ case WM8900_DAC_CLKDIV:
+ reg = wm8900_read(codec, WM8900_REG_CLOCKING2);
+ wm8900_write(codec, WM8900_REG_CLOCKING2,
+ div | (reg & WM8900_REG_CLOCKING2_DAC_CLKDIV));
+ break;
+ case WM8900_ADC_CLKDIV:
+ reg = wm8900_read(codec, WM8900_REG_CLOCKING2);
+ wm8900_write(codec, WM8900_REG_CLOCKING2,
+ div | (reg & WM8900_REG_CLOCKING2_ADC_CLKDIV));
+ break;
+ case WM8900_LRCLK_MODE:
+ reg = wm8900_read(codec, WM8900_REG_DACCTRL);
+ wm8900_write(codec, WM8900_REG_DACCTRL,
+ div | (reg & WM8900_REG_DACCTRL_AIF_LRCLKRATE));
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+static int wm8900_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ unsigned int clocking1, aif1, aif3, aif4;
+
+ clocking1 = wm8900_read(codec, WM8900_REG_CLOCKING1);
+ aif1 = wm8900_read(codec, WM8900_REG_AUDIO1);
+ aif3 = wm8900_read(codec, WM8900_REG_AUDIO3);
+ aif4 = wm8900_read(codec, WM8900_REG_AUDIO4);
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ clocking1 &= ~WM8900_REG_CLOCKING1_BCLK_DIR;
+ aif3 &= ~WM8900_REG_AUDIO3_ADCLRC_DIR;
+ aif4 &= ~WM8900_REG_AUDIO4_DACLRC_DIR;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ clocking1 &= ~WM8900_REG_CLOCKING1_BCLK_DIR;
+ aif3 |= WM8900_REG_AUDIO3_ADCLRC_DIR;
+ aif4 |= WM8900_REG_AUDIO4_DACLRC_DIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ clocking1 |= WM8900_REG_CLOCKING1_BCLK_DIR;
+ aif3 |= WM8900_REG_AUDIO3_ADCLRC_DIR;
+ aif4 |= WM8900_REG_AUDIO4_DACLRC_DIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ clocking1 |= WM8900_REG_CLOCKING1_BCLK_DIR;
+ aif3 &= ~WM8900_REG_AUDIO3_ADCLRC_DIR;
+ aif4 &= ~WM8900_REG_AUDIO4_DACLRC_DIR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK;
+ aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK;
+ aif1 |= WM8900_REG_AUDIO1_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK;
+ aif1 |= 0x10;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK;
+ aif1 |= 0x8;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
+ /* frame inversion not valid for DSP modes */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif1 |= WM8900_REG_AUDIO1_BCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_RIGHT_J:
+ case SND_SOC_DAIFMT_LEFT_J:
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV;
+ aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ aif1 |= WM8900_REG_AUDIO1_BCLK_INV;
+ aif1 |= WM8900_REG_AUDIO1_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif1 |= WM8900_REG_AUDIO1_BCLK_INV;
+ aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV;
+ aif1 |= WM8900_REG_AUDIO1_LRCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wm8900_write(codec, WM8900_REG_CLOCKING1, clocking1);
+ wm8900_write(codec, WM8900_REG_AUDIO1, aif1);
+ wm8900_write(codec, WM8900_REG_AUDIO3, aif3);
+ wm8900_write(codec, WM8900_REG_AUDIO4, aif4);
+
+ return 0;
+}
+
+static int wm8900_digital_mute(struct snd_soc_dai *codec_dai, int mute)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 reg;
+
+ reg = wm8900_read(codec, WM8900_REG_DACCTRL);
+
+ if (mute)
+ reg |= WM8900_REG_DACCTRL_MUTE;
+ else
+ reg &= ~WM8900_REG_DACCTRL_MUTE;
+
+ wm8900_write(codec, WM8900_REG_DACCTRL, reg);
+
+ return 0;
+}
+
+#define WM8900_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+
+#define WM8900_PCM_FORMATS \
+ (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
+ SNDRV_PCM_FORMAT_S24_LE)
+
+struct snd_soc_dai wm8900_dai = {
+ .name = "WM8900 HiFi",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8900_RATES,
+ .formats = WM8900_PCM_FORMATS,
+ },
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8900_RATES,
+ .formats = WM8900_PCM_FORMATS,
+ },
+ .ops = {
+ .hw_params = wm8900_hw_params,
+ },
+ .dai_ops = {
+ .set_clkdiv = wm8900_set_dai_clkdiv,
+ .set_pll = wm8900_set_dai_pll,
+ .set_fmt = wm8900_set_dai_fmt,
+ .digital_mute = wm8900_digital_mute,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8900_dai);
+
+static int wm8900_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ u16 reg;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ /* Enable thermal shutdown */
+ reg = wm8900_read(codec, WM8900_REG_GPIO);
+ wm8900_write(codec, WM8900_REG_GPIO,
+ reg | WM8900_REG_GPIO_TEMP_ENA);
+ reg = wm8900_read(codec, WM8900_REG_ADDCTL);
+ wm8900_write(codec, WM8900_REG_ADDCTL,
+ reg | WM8900_REG_ADDCTL_TEMP_SD);
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ /* Charge capacitors if initial power up */
+ if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ /* STARTUP_BIAS_ENA on */
+ wm8900_write(codec, WM8900_REG_POWER1,
+ WM8900_REG_POWER1_STARTUP_BIAS_ENA);
+
+ /* Startup bias mode */
+ wm8900_write(codec, WM8900_REG_ADDCTL,
+ WM8900_REG_ADDCTL_BIAS_SRC |
+ WM8900_REG_ADDCTL_VMID_SOFTST);
+
+ /* VMID 2x50k */
+ wm8900_write(codec, WM8900_REG_POWER1,
+ WM8900_REG_POWER1_STARTUP_BIAS_ENA | 0x1);
+
+ /* Allow capacitors to charge */
+ schedule_timeout_interruptible(msecs_to_jiffies(400));
+
+ /* Enable bias */
+ wm8900_write(codec, WM8900_REG_POWER1,
+ WM8900_REG_POWER1_STARTUP_BIAS_ENA |
+ WM8900_REG_POWER1_BIAS_ENA | 0x1);
+
+ wm8900_write(codec, WM8900_REG_ADDCTL, 0);
+
+ wm8900_write(codec, WM8900_REG_POWER1,
+ WM8900_REG_POWER1_BIAS_ENA | 0x1);
+ }
+
+ reg = wm8900_read(codec, WM8900_REG_POWER1);
+ wm8900_write(codec, WM8900_REG_POWER1,
+ (reg & WM8900_REG_POWER1_FLL_ENA) |
+ WM8900_REG_POWER1_BIAS_ENA | 0x1);
+ wm8900_write(codec, WM8900_REG_POWER2,
+ WM8900_REG_POWER2_SYSCLK_ENA);
+ wm8900_write(codec, WM8900_REG_POWER3, 0);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ /* Startup bias enable */
+ reg = wm8900_read(codec, WM8900_REG_POWER1);
+ wm8900_write(codec, WM8900_REG_POWER1,
+ reg & WM8900_REG_POWER1_STARTUP_BIAS_ENA);
+ wm8900_write(codec, WM8900_REG_ADDCTL,
+ WM8900_REG_ADDCTL_BIAS_SRC |
+ WM8900_REG_ADDCTL_VMID_SOFTST);
+
+ /* Discharge caps */
+ wm8900_write(codec, WM8900_REG_POWER1,
+ WM8900_REG_POWER1_STARTUP_BIAS_ENA);
+ schedule_timeout_interruptible(msecs_to_jiffies(500));
+
+ /* Remove clamp */
+ wm8900_write(codec, WM8900_REG_HPCTL1, 0);
+
+ /* Power down */
+ wm8900_write(codec, WM8900_REG_ADDCTL, 0);
+ wm8900_write(codec, WM8900_REG_POWER1, 0);
+ wm8900_write(codec, WM8900_REG_POWER2, 0);
+ wm8900_write(codec, WM8900_REG_POWER3, 0);
+
+ /* Need to let things settle before stopping the clock
+ * to ensure that restart works, see "Stopping the
+ * master clock" in the datasheet. */
+ schedule_timeout_interruptible(msecs_to_jiffies(1));
+ wm8900_write(codec, WM8900_REG_POWER2,
+ WM8900_REG_POWER2_SYSCLK_ENA);
+ break;
+ }
+ codec->bias_level = level;
+ return 0;
+}
+
+static int wm8900_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm8900_priv *wm8900 = codec->private_data;
+ int fll_out = wm8900->fll_out;
+ int fll_in = wm8900->fll_in;
+ int ret;
+
+ /* Stop the FLL in an orderly fashion */
+ ret = wm8900_set_fll(codec, 0, 0, 0);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to stop FLL\n");
+ return ret;
+ }
+
+ wm8900->fll_out = fll_out;
+ wm8900->fll_in = fll_in;
+
+ wm8900_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static int wm8900_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm8900_priv *wm8900 = codec->private_data;
+ u16 *cache;
+ int i, ret;
+
+ cache = kmemdup(codec->reg_cache, sizeof(wm8900_reg_defaults),
+ GFP_KERNEL);
+
+ wm8900_reset(codec);
+ wm8900_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ /* Restart the FLL? */
+ if (wm8900->fll_out) {
+ int fll_out = wm8900->fll_out;
+ int fll_in = wm8900->fll_in;
+
+ wm8900->fll_in = 0;
+ wm8900->fll_out = 0;
+
+ ret = wm8900_set_fll(codec, 0, fll_in, fll_out);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to restart FLL\n");
+ return ret;
+ }
+ }
+
+ if (cache) {
+ for (i = 0; i < WM8900_MAXREG; i++)
+ wm8900_write(codec, i, cache[i]);
+ kfree(cache);
+ } else
+ dev_err(&pdev->dev, "Unable to allocate register cache\n");
+
+ return 0;
+}
+
+/*
+ * initialise the WM8900 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8900_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+ unsigned int reg;
+ struct i2c_client *i2c_client = socdev->codec->control_data;
+
+ codec->name = "WM8900";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8900_read;
+ codec->write = wm8900_write;
+ codec->dai = &wm8900_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = WM8900_MAXREG;
+ codec->reg_cache = kmemdup(wm8900_reg_defaults,
+ sizeof(wm8900_reg_defaults), GFP_KERNEL);
+
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+
+ reg = wm8900_read(codec, WM8900_REG_ID);
+ if (reg != 0x8900) {
+ dev_err(&i2c_client->dev, "Device is not a WM8900 - ID %x\n",
+ reg);
+ return -ENODEV;
+ }
+
+ codec->private_data = kzalloc(sizeof(struct wm8900_priv), GFP_KERNEL);
+ if (codec->private_data == NULL) {
+ ret = -ENOMEM;
+ goto priv_err;
+ }
+
+ /* Read back from the chip */
+ reg = wm8900_chip_read(codec, WM8900_REG_POWER1);
+ reg = (reg >> 12) & 0xf;
+ dev_info(&i2c_client->dev, "WM8900 revision %d\n", reg);
+
+ wm8900_reset(codec);
+
+ /* Latch the volume update bits */
+ wm8900_write(codec, WM8900_REG_LINVOL,
+ wm8900_read(codec, WM8900_REG_LINVOL) | 0x100);
+ wm8900_write(codec, WM8900_REG_RINVOL,
+ wm8900_read(codec, WM8900_REG_RINVOL) | 0x100);
+ wm8900_write(codec, WM8900_REG_LOUT1CTL,
+ wm8900_read(codec, WM8900_REG_LOUT1CTL) | 0x100);
+ wm8900_write(codec, WM8900_REG_ROUT1CTL,
+ wm8900_read(codec, WM8900_REG_ROUT1CTL) | 0x100);
+ wm8900_write(codec, WM8900_REG_LOUT2CTL,
+ wm8900_read(codec, WM8900_REG_LOUT2CTL) | 0x100);
+ wm8900_write(codec, WM8900_REG_ROUT2CTL,
+ wm8900_read(codec, WM8900_REG_ROUT2CTL) | 0x100);
+ wm8900_write(codec, WM8900_REG_LDAC_DV,
+ wm8900_read(codec, WM8900_REG_LDAC_DV) | 0x100);
+ wm8900_write(codec, WM8900_REG_RDAC_DV,
+ wm8900_read(codec, WM8900_REG_RDAC_DV) | 0x100);
+ wm8900_write(codec, WM8900_REG_LADC_DV,
+ wm8900_read(codec, WM8900_REG_LADC_DV) | 0x100);
+ wm8900_write(codec, WM8900_REG_RADC_DV,
+ wm8900_read(codec, WM8900_REG_RADC_DV) | 0x100);
+
+ /* Set the DAC and mixer output bias */
+ wm8900_write(codec, WM8900_REG_OUTBIASCTL, 0x81);
+
+ /* Register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Failed to register new PCMs\n");
+ goto pcm_err;
+ }
+
+ /* Turn the chip on */
+ codec->bias_level = SND_SOC_BIAS_OFF;
+ wm8900_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ wm8900_add_controls(codec);
+ wm8900_add_widgets(codec);
+
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Failed to register card\n");
+ goto card_err;
+ }
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ kfree(codec->reg_cache);
+priv_err:
+ kfree(codec->private_data);
+ return ret;
+}
+
+static struct snd_soc_device *wm8900_socdev;
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8900_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static int wm8900_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8900_socdev;
+ struct wm8900_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ dev_err(&adap->dev, "Probe on %x\n", addr);
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ dev_err(&adap->dev,
+ "failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8900_init(socdev);
+ if (ret < 0) {
+ dev_err(&adap->dev, "failed to initialise WM8900\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8900_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8900_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8900_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8900_i2c_driver = {
+ .driver = {
+ .name = "WM8900 I2C codec",
+ .owner = THIS_MODULE,
+ },
+ .attach_adapter = wm8900_i2c_attach,
+ .detach_client = wm8900_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8900",
+ .driver = &wm8900_i2c_driver,
+};
+#endif
+
+static int wm8900_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8900_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ dev_info(&pdev->dev, "WM8900 Audio Codec\n");
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ socdev->codec = codec;
+
+ codec->set_bias_level = wm8900_set_bias_level;
+
+ wm8900_socdev = socdev;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8900_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+#error Non-I2C interfaces not yet supported
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8900_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8900_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8900_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8900 = {
+ .probe = wm8900_probe,
+ .remove = wm8900_remove,
+ .suspend = wm8900_suspend,
+ .resume = wm8900_resume,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8900);
+
+MODULE_DESCRIPTION("ASoC WM8900 driver");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfonmicro.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wm8900.h b/sound/soc/codecs/wm8900.h
new file mode 100644
index 0000000..ba450d9
--- /dev/null
+++ b/sound/soc/codecs/wm8900.h
@@ -0,0 +1,64 @@
+/*
+ * wm8900.h -- WM890 Soc Audio driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8900_H
+#define _WM8900_H
+
+#define WM8900_FLL 1
+
+#define WM8900_BCLK_DIV 1
+#define WM8900_ADC_CLKDIV 2
+#define WM8900_DAC_CLKDIV 3
+#define WM8900_ADC_LRCLK 4
+#define WM8900_DAC_LRCLK 5
+#define WM8900_OPCLK_DIV 6
+#define WM8900_LRCLK_MODE 7
+
+#define WM8900_BCLK_DIV_1 0x00
+#define WM8900_BCLK_DIV_1_5 0x02
+#define WM8900_BCLK_DIV_2 0x04
+#define WM8900_BCLK_DIV_3 0x06
+#define WM8900_BCLK_DIV_4 0x08
+#define WM8900_BCLK_DIV_5_5 0x0a
+#define WM8900_BCLK_DIV_6 0x0c
+#define WM8900_BCLK_DIV_8 0x0e
+#define WM8900_BCLK_DIV_11 0x10
+#define WM8900_BCLK_DIV_12 0x12
+#define WM8900_BCLK_DIV_16 0x14
+#define WM8900_BCLK_DIV_22 0x16
+#define WM8900_BCLK_DIV_24 0x18
+#define WM8900_BCLK_DIV_32 0x1a
+#define WM8900_BCLK_DIV_44 0x1c
+#define WM8900_BCLK_DIV_48 0x1e
+
+#define WM8900_ADC_CLKDIV_1 0x00
+#define WM8900_ADC_CLKDIV_1_5 0x20
+#define WM8900_ADC_CLKDIV_2 0x40
+#define WM8900_ADC_CLKDIV_3 0x60
+#define WM8900_ADC_CLKDIV_4 0x80
+#define WM8900_ADC_CLKDIV_5_5 0xa0
+#define WM8900_ADC_CLKDIV_6 0xc0
+
+#define WM8900_DAC_CLKDIV_1 0x00
+#define WM8900_DAC_CLKDIV_1_5 0x04
+#define WM8900_DAC_CLKDIV_2 0x08
+#define WM8900_DAC_CLKDIV_3 0x0c
+#define WM8900_DAC_CLKDIV_4 0x10
+#define WM8900_DAC_CLKDIV_5_5 0x14
+#define WM8900_DAC_CLKDIV_6 0x18
+
+#define WM8900_
+
+struct wm8900_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_dai wm8900_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8900;
+
+#endif
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
new file mode 100644
index 0000000..a3f54ec
--- /dev/null
+++ b/sound/soc/codecs/wm8903.c
@@ -0,0 +1,1813 @@
+/*
+ * wm8903.c -- WM8903 ALSA SoC Audio driver
+ *
+ * Copyright 2008 Wolfson Microelectronics
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * TODO:
+ * - TDM mode configuration.
+ * - Mic detect.
+ * - Digital microphone support.
+ * - Interrupt support (mic detect and sequencer).
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8903.h"
+
+struct wm8903_priv {
+ int sysclk;
+
+ /* Reference counts */
+ int charge_pump_users;
+ int class_w_users;
+ int playback_active;
+ int capture_active;
+
+ struct snd_pcm_substream *master_substream;
+ struct snd_pcm_substream *slave_substream;
+};
+
+/* Register defaults at reset */
+static u16 wm8903_reg_defaults[] = {
+ 0x8903, /* R0 - SW Reset and ID */
+ 0x0000, /* R1 - Revision Number */
+ 0x0000, /* R2 */
+ 0x0000, /* R3 */
+ 0x0018, /* R4 - Bias Control 0 */
+ 0x0000, /* R5 - VMID Control 0 */
+ 0x0000, /* R6 - Mic Bias Control 0 */
+ 0x0000, /* R7 */
+ 0x0001, /* R8 - Analogue DAC 0 */
+ 0x0000, /* R9 */
+ 0x0001, /* R10 - Analogue ADC 0 */
+ 0x0000, /* R11 */
+ 0x0000, /* R12 - Power Management 0 */
+ 0x0000, /* R13 - Power Management 1 */
+ 0x0000, /* R14 - Power Management 2 */
+ 0x0000, /* R15 - Power Management 3 */
+ 0x0000, /* R16 - Power Management 4 */
+ 0x0000, /* R17 - Power Management 5 */
+ 0x0000, /* R18 - Power Management 6 */
+ 0x0000, /* R19 */
+ 0x0400, /* R20 - Clock Rates 0 */
+ 0x0D07, /* R21 - Clock Rates 1 */
+ 0x0000, /* R22 - Clock Rates 2 */
+ 0x0000, /* R23 */
+ 0x0050, /* R24 - Audio Interface 0 */
+ 0x0242, /* R25 - Audio Interface 1 */
+ 0x0008, /* R26 - Audio Interface 2 */
+ 0x0022, /* R27 - Audio Interface 3 */
+ 0x0000, /* R28 */
+ 0x0000, /* R29 */
+ 0x00C0, /* R30 - DAC Digital Volume Left */
+ 0x00C0, /* R31 - DAC Digital Volume Right */
+ 0x0000, /* R32 - DAC Digital 0 */
+ 0x0000, /* R33 - DAC Digital 1 */
+ 0x0000, /* R34 */
+ 0x0000, /* R35 */
+ 0x00C0, /* R36 - ADC Digital Volume Left */
+ 0x00C0, /* R37 - ADC Digital Volume Right */
+ 0x0000, /* R38 - ADC Digital 0 */
+ 0x0073, /* R39 - Digital Microphone 0 */
+ 0x09BF, /* R40 - DRC 0 */
+ 0x3241, /* R41 - DRC 1 */
+ 0x0020, /* R42 - DRC 2 */
+ 0x0000, /* R43 - DRC 3 */
+ 0x0085, /* R44 - Analogue Left Input 0 */
+ 0x0085, /* R45 - Analogue Right Input 0 */
+ 0x0044, /* R46 - Analogue Left Input 1 */
+ 0x0044, /* R47 - Analogue Right Input 1 */
+ 0x0000, /* R48 */
+ 0x0000, /* R49 */
+ 0x0008, /* R50 - Analogue Left Mix 0 */
+ 0x0004, /* R51 - Analogue Right Mix 0 */
+ 0x0000, /* R52 - Analogue Spk Mix Left 0 */
+ 0x0000, /* R53 - Analogue Spk Mix Left 1 */
+ 0x0000, /* R54 - Analogue Spk Mix Right 0 */
+ 0x0000, /* R55 - Analogue Spk Mix Right 1 */
+ 0x0000, /* R56 */
+ 0x002D, /* R57 - Analogue OUT1 Left */
+ 0x002D, /* R58 - Analogue OUT1 Right */
+ 0x0039, /* R59 - Analogue OUT2 Left */
+ 0x0039, /* R60 - Analogue OUT2 Right */
+ 0x0100, /* R61 */
+ 0x0139, /* R62 - Analogue OUT3 Left */
+ 0x0139, /* R63 - Analogue OUT3 Right */
+ 0x0000, /* R64 */
+ 0x0000, /* R65 - Analogue SPK Output Control 0 */
+ 0x0000, /* R66 */
+ 0x0010, /* R67 - DC Servo 0 */
+ 0x0100, /* R68 */
+ 0x00A4, /* R69 - DC Servo 2 */
+ 0x0807, /* R70 */
+ 0x0000, /* R71 */
+ 0x0000, /* R72 */
+ 0x0000, /* R73 */
+ 0x0000, /* R74 */
+ 0x0000, /* R75 */
+ 0x0000, /* R76 */
+ 0x0000, /* R77 */
+ 0x0000, /* R78 */
+ 0x000E, /* R79 */
+ 0x0000, /* R80 */
+ 0x0000, /* R81 */
+ 0x0000, /* R82 */
+ 0x0000, /* R83 */
+ 0x0000, /* R84 */
+ 0x0000, /* R85 */
+ 0x0000, /* R86 */
+ 0x0006, /* R87 */
+ 0x0000, /* R88 */
+ 0x0000, /* R89 */
+ 0x0000, /* R90 - Analogue HP 0 */
+ 0x0060, /* R91 */
+ 0x0000, /* R92 */
+ 0x0000, /* R93 */
+ 0x0000, /* R94 - Analogue Lineout 0 */
+ 0x0060, /* R95 */
+ 0x0000, /* R96 */
+ 0x0000, /* R97 */
+ 0x0000, /* R98 - Charge Pump 0 */
+ 0x1F25, /* R99 */
+ 0x2B19, /* R100 */
+ 0x01C0, /* R101 */
+ 0x01EF, /* R102 */
+ 0x2B00, /* R103 */
+ 0x0000, /* R104 - Class W 0 */
+ 0x01C0, /* R105 */
+ 0x1C10, /* R106 */
+ 0x0000, /* R107 */
+ 0x0000, /* R108 - Write Sequencer 0 */
+ 0x0000, /* R109 - Write Sequencer 1 */
+ 0x0000, /* R110 - Write Sequencer 2 */
+ 0x0000, /* R111 - Write Sequencer 3 */
+ 0x0000, /* R112 - Write Sequencer 4 */
+ 0x0000, /* R113 */
+ 0x0000, /* R114 - Control Interface */
+ 0x0000, /* R115 */
+ 0x00A8, /* R116 - GPIO Control 1 */
+ 0x00A8, /* R117 - GPIO Control 2 */
+ 0x00A8, /* R118 - GPIO Control 3 */
+ 0x0220, /* R119 - GPIO Control 4 */
+ 0x01A0, /* R120 - GPIO Control 5 */
+ 0x0000, /* R121 - Interrupt Status 1 */
+ 0xFFFF, /* R122 - Interrupt Status 1 Mask */
+ 0x0000, /* R123 - Interrupt Polarity 1 */
+ 0x0000, /* R124 */
+ 0x0003, /* R125 */
+ 0x0000, /* R126 - Interrupt Control */
+ 0x0000, /* R127 */
+ 0x0005, /* R128 */
+ 0x0000, /* R129 - Control Interface Test 1 */
+ 0x0000, /* R130 */
+ 0x0000, /* R131 */
+ 0x0000, /* R132 */
+ 0x0000, /* R133 */
+ 0x0000, /* R134 */
+ 0x03FF, /* R135 */
+ 0x0007, /* R136 */
+ 0x0040, /* R137 */
+ 0x0000, /* R138 */
+ 0x0000, /* R139 */
+ 0x0000, /* R140 */
+ 0x0000, /* R141 */
+ 0x0000, /* R142 */
+ 0x0000, /* R143 */
+ 0x0000, /* R144 */
+ 0x0000, /* R145 */
+ 0x0000, /* R146 */
+ 0x0000, /* R147 */
+ 0x4000, /* R148 */
+ 0x6810, /* R149 - Charge Pump Test 1 */
+ 0x0004, /* R150 */
+ 0x0000, /* R151 */
+ 0x0000, /* R152 */
+ 0x0000, /* R153 */
+ 0x0000, /* R154 */
+ 0x0000, /* R155 */
+ 0x0000, /* R156 */
+ 0x0000, /* R157 */
+ 0x0000, /* R158 */
+ 0x0000, /* R159 */
+ 0x0000, /* R160 */
+ 0x0000, /* R161 */
+ 0x0000, /* R162 */
+ 0x0000, /* R163 */
+ 0x0028, /* R164 - Clock Rate Test 4 */
+ 0x0004, /* R165 */
+ 0x0000, /* R166 */
+ 0x0060, /* R167 */
+ 0x0000, /* R168 */
+ 0x0000, /* R169 */
+ 0x0000, /* R170 */
+ 0x0000, /* R171 */
+ 0x0000, /* R172 - Analogue Output Bias 0 */
+};
+
+static unsigned int wm8903_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+
+ BUG_ON(reg >= ARRAY_SIZE(wm8903_reg_defaults));
+
+ return cache[reg];
+}
+
+static unsigned int wm8903_hw_read(struct snd_soc_codec *codec, u8 reg)
+{
+ struct i2c_msg xfer[2];
+ u16 data;
+ int ret;
+ struct i2c_client *client = codec->control_data;
+
+ /* Write register */
+ xfer[0].addr = client->addr;
+ xfer[0].flags = 0;
+ xfer[0].len = 1;
+ xfer[0].buf = &reg;
+
+ /* Read data */
+ xfer[1].addr = client->addr;
+ xfer[1].flags = I2C_M_RD;
+ xfer[1].len = 2;
+ xfer[1].buf = (u8 *)&data;
+
+ ret = i2c_transfer(client->adapter, xfer, 2);
+ if (ret != 2) {
+ pr_err("i2c_transfer returned %d\n", ret);
+ return 0;
+ }
+
+ return (data >> 8) | ((data & 0xff) << 8);
+}
+
+static unsigned int wm8903_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ switch (reg) {
+ case WM8903_SW_RESET_AND_ID:
+ case WM8903_REVISION_NUMBER:
+ case WM8903_INTERRUPT_STATUS_1:
+ case WM8903_WRITE_SEQUENCER_4:
+ return wm8903_hw_read(codec, reg);
+
+ default:
+ return wm8903_read_reg_cache(codec, reg);
+ }
+}
+
+static void wm8903_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+
+ BUG_ON(reg >= ARRAY_SIZE(wm8903_reg_defaults));
+
+ switch (reg) {
+ case WM8903_SW_RESET_AND_ID:
+ case WM8903_REVISION_NUMBER:
+ break;
+
+ default:
+ cache[reg] = value;
+ break;
+ }
+}
+
+static int wm8903_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[3];
+
+ wm8903_write_reg_cache(codec, reg, value);
+
+ /* Data format is 1 byte of address followed by 2 bytes of data */
+ data[0] = reg;
+ data[1] = (value >> 8) & 0xff;
+ data[2] = value & 0xff;
+
+ if (codec->hw_write(codec->control_data, data, 3) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+static int wm8903_run_sequence(struct snd_soc_codec *codec, unsigned int start)
+{
+ u16 reg[5];
+ struct i2c_client *i2c = codec->control_data;
+
+ BUG_ON(start > 48);
+
+ /* Enable the sequencer */
+ reg[0] = wm8903_read(codec, WM8903_WRITE_SEQUENCER_0);
+ reg[0] |= WM8903_WSEQ_ENA;
+ wm8903_write(codec, WM8903_WRITE_SEQUENCER_0, reg[0]);
+
+ dev_dbg(&i2c->dev, "Starting sequence at %d\n", start);
+
+ wm8903_write(codec, WM8903_WRITE_SEQUENCER_3,
+ start | WM8903_WSEQ_START);
+
+ /* Wait for it to complete. If we have the interrupt wired up then
+ * we could block waiting for an interrupt, though polling may still
+ * be desirable for diagnostic purposes.
+ */
+ do {
+ msleep(10);
+
+ reg[4] = wm8903_read(codec, WM8903_WRITE_SEQUENCER_4);
+ } while (reg[4] & WM8903_WSEQ_BUSY);
+
+ dev_dbg(&i2c->dev, "Sequence complete\n");
+
+ /* Disable the sequencer again */
+ wm8903_write(codec, WM8903_WRITE_SEQUENCER_0,
+ reg[0] & ~WM8903_WSEQ_ENA);
+
+ return 0;
+}
+
+static void wm8903_sync_reg_cache(struct snd_soc_codec *codec, u16 *cache)
+{
+ int i;
+
+ /* There really ought to be something better we can do here :/ */
+ for (i = 0; i < ARRAY_SIZE(wm8903_reg_defaults); i++)
+ cache[i] = wm8903_hw_read(codec, i);
+}
+
+static void wm8903_reset(struct snd_soc_codec *codec)
+{
+ wm8903_write(codec, WM8903_SW_RESET_AND_ID, 0);
+}
+
+#define WM8903_OUTPUT_SHORT 0x8
+#define WM8903_OUTPUT_OUT 0x4
+#define WM8903_OUTPUT_INT 0x2
+#define WM8903_OUTPUT_IN 0x1
+
+/*
+ * Event for headphone and line out amplifier power changes. Special
+ * power up/down sequences are required in order to maximise pop/click
+ * performance.
+ */
+static int wm8903_output_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct wm8903_priv *wm8903 = codec->private_data;
+ struct i2c_client *i2c = codec->control_data;
+ u16 val;
+ u16 reg;
+ int shift;
+ u16 cp_reg = wm8903_read(codec, WM8903_CHARGE_PUMP_0);
+
+ switch (w->reg) {
+ case WM8903_POWER_MANAGEMENT_2:
+ reg = WM8903_ANALOGUE_HP_0;
+ break;
+ case WM8903_POWER_MANAGEMENT_3:
+ reg = WM8903_ANALOGUE_LINEOUT_0;
+ break;
+ default:
+ BUG();
+ }
+
+ switch (w->shift) {
+ case 0:
+ shift = 0;
+ break;
+ case 1:
+ shift = 4;
+ break;
+ default:
+ BUG();
+ }
+
+ if (event & SND_SOC_DAPM_PRE_PMU) {
+ val = wm8903_read(codec, reg);
+
+ /* Short the output */
+ val &= ~(WM8903_OUTPUT_SHORT << shift);
+ wm8903_write(codec, reg, val);
+
+ wm8903->charge_pump_users++;
+
+ dev_dbg(&i2c->dev, "Charge pump use count now %d\n",
+ wm8903->charge_pump_users);
+
+ if (wm8903->charge_pump_users == 1) {
+ dev_dbg(&i2c->dev, "Enabling charge pump\n");
+ wm8903_write(codec, WM8903_CHARGE_PUMP_0,
+ cp_reg | WM8903_CP_ENA);
+ mdelay(4);
+ }
+ }
+
+ if (event & SND_SOC_DAPM_POST_PMU) {
+ val = wm8903_read(codec, reg);
+
+ val |= (WM8903_OUTPUT_IN << shift);
+ wm8903_write(codec, reg, val);
+
+ val |= (WM8903_OUTPUT_INT << shift);
+ wm8903_write(codec, reg, val);
+
+ /* Turn on the output ENA_OUTP */
+ val |= (WM8903_OUTPUT_OUT << shift);
+ wm8903_write(codec, reg, val);
+
+ /* Remove the short */
+ val |= (WM8903_OUTPUT_SHORT << shift);
+ wm8903_write(codec, reg, val);
+ }
+
+ if (event & SND_SOC_DAPM_PRE_PMD) {
+ val = wm8903_read(codec, reg);
+
+ /* Short the output */
+ val &= ~(WM8903_OUTPUT_SHORT << shift);
+ wm8903_write(codec, reg, val);
+
+ /* Then disable the intermediate and output stages */
+ val &= ~((WM8903_OUTPUT_OUT | WM8903_OUTPUT_INT |
+ WM8903_OUTPUT_IN) << shift);
+ wm8903_write(codec, reg, val);
+ }
+
+ if (event & SND_SOC_DAPM_POST_PMD) {
+ wm8903->charge_pump_users--;
+
+ dev_dbg(&i2c->dev, "Charge pump use count now %d\n",
+ wm8903->charge_pump_users);
+
+ if (wm8903->charge_pump_users == 0) {
+ dev_dbg(&i2c->dev, "Disabling charge pump\n");
+ wm8903_write(codec, WM8903_CHARGE_PUMP_0,
+ cp_reg & ~WM8903_CP_ENA);
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * When used with DAC outputs only the WM8903 charge pump supports
+ * operation in class W mode, providing very low power consumption
+ * when used with digital sources. Enable and disable this mode
+ * automatically depending on the mixer configuration.
+ *
+ * All the relevant controls are simple switches.
+ */
+static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = widget->codec;
+ struct wm8903_priv *wm8903 = codec->private_data;
+ struct i2c_client *i2c = codec->control_data;
+ u16 reg;
+ int ret;
+
+ reg = wm8903_read(codec, WM8903_CLASS_W_0);
+
+ /* Turn it off if we're about to enable bypass */
+ if (ucontrol->value.integer.value[0]) {
+ if (wm8903->class_w_users == 0) {
+ dev_dbg(&i2c->dev, "Disabling Class W\n");
+ wm8903_write(codec, WM8903_CLASS_W_0, reg &
+ ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V));
+ }
+ wm8903->class_w_users++;
+ }
+
+ /* Implement the change */
+ ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
+
+ /* If we've just disabled the last bypass path turn Class W on */
+ if (!ucontrol->value.integer.value[0]) {
+ if (wm8903->class_w_users == 1) {
+ dev_dbg(&i2c->dev, "Enabling Class W\n");
+ wm8903_write(codec, WM8903_CLASS_W_0, reg |
+ WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
+ }
+ wm8903->class_w_users--;
+ }
+
+ dev_dbg(&i2c->dev, "Bypass use count now %d\n",
+ wm8903->class_w_users);
+
+ return ret;
+}
+
+#define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_volsw, \
+ .get = snd_soc_dapm_get_volsw, .put = wm8903_class_w_put, \
+ .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
+
+
+/* ALSA can only do steps of .01dB */
+static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
+
+static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
+
+static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0);
+static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0);
+static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0);
+static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0);
+static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0);
+
+static const char *drc_slope_text[] = {
+ "1", "1/2", "1/4", "1/8", "1/16", "0"
+};
+
+static const struct soc_enum drc_slope_r0 =
+ SOC_ENUM_SINGLE(WM8903_DRC_2, 3, 6, drc_slope_text);
+
+static const struct soc_enum drc_slope_r1 =
+ SOC_ENUM_SINGLE(WM8903_DRC_2, 0, 6, drc_slope_text);
+
+static const char *drc_attack_text[] = {
+ "instantaneous",
+ "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms",
+ "46.4ms", "92.8ms", "185.6ms"
+};
+
+static const struct soc_enum drc_attack =
+ SOC_ENUM_SINGLE(WM8903_DRC_1, 12, 11, drc_attack_text);
+
+static const char *drc_decay_text[] = {
+ "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s",
+ "23.87s", "47.56s"
+};
+
+static const struct soc_enum drc_decay =
+ SOC_ENUM_SINGLE(WM8903_DRC_1, 8, 9, drc_decay_text);
+
+static const char *drc_ff_delay_text[] = {
+ "5 samples", "9 samples"
+};
+
+static const struct soc_enum drc_ff_delay =
+ SOC_ENUM_SINGLE(WM8903_DRC_0, 5, 2, drc_ff_delay_text);
+
+static const char *drc_qr_decay_text[] = {
+ "0.725ms", "1.45ms", "5.8ms"
+};
+
+static const struct soc_enum drc_qr_decay =
+ SOC_ENUM_SINGLE(WM8903_DRC_1, 4, 3, drc_qr_decay_text);
+
+static const char *drc_smoothing_text[] = {
+ "Low", "Medium", "High"
+};
+
+static const struct soc_enum drc_smoothing =
+ SOC_ENUM_SINGLE(WM8903_DRC_0, 11, 3, drc_smoothing_text);
+
+static const char *soft_mute_text[] = {
+ "Fast (fs/2)", "Slow (fs/32)"
+};
+
+static const struct soc_enum soft_mute =
+ SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 10, 2, soft_mute_text);
+
+static const char *mute_mode_text[] = {
+ "Hard", "Soft"
+};
+
+static const struct soc_enum mute_mode =
+ SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 9, 2, mute_mode_text);
+
+static const char *dac_deemphasis_text[] = {
+ "Disabled", "32kHz", "44.1kHz", "48kHz"
+};
+
+static const struct soc_enum dac_deemphasis =
+ SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 1, 4, dac_deemphasis_text);
+
+static const char *companding_text[] = {
+ "ulaw", "alaw"
+};
+
+static const struct soc_enum dac_companding =
+ SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 0, 2, companding_text);
+
+static const struct soc_enum adc_companding =
+ SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 2, 2, companding_text);
+
+static const char *input_mode_text[] = {
+ "Single-Ended", "Differential Line", "Differential Mic"
+};
+
+static const struct soc_enum linput_mode_enum =
+ SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text);
+
+static const struct soc_enum rinput_mode_enum =
+ SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text);
+
+static const char *linput_mux_text[] = {
+ "IN1L", "IN2L", "IN3L"
+};
+
+static const struct soc_enum linput_enum =
+ SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 2, 3, linput_mux_text);
+
+static const struct soc_enum linput_inv_enum =
+ SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 4, 3, linput_mux_text);
+
+static const char *rinput_mux_text[] = {
+ "IN1R", "IN2R", "IN3R"
+};
+
+static const struct soc_enum rinput_enum =
+ SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 2, 3, rinput_mux_text);
+
+static const struct soc_enum rinput_inv_enum =
+ SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 4, 3, rinput_mux_text);
+
+
+static const struct snd_kcontrol_new wm8903_snd_controls[] = {
+
+/* Input PGAs - No TLV since the scale depends on PGA mode */
+SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0,
+ 7, 1, 0),
+SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0,
+ 0, 31, 0),
+SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1,
+ 6, 1, 0),
+
+SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0,
+ 7, 1, 0),
+SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0,
+ 0, 31, 0),
+SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1,
+ 6, 1, 0),
+
+/* ADCs */
+SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0),
+SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0),
+SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1),
+SOC_SINGLE_TLV("DRC Compressor Threashold Volume", WM8903_DRC_3, 5, 124, 1,
+ drc_tlv_thresh),
+SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp),
+SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min),
+SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max),
+SOC_ENUM("DRC Attack Rate", drc_attack),
+SOC_ENUM("DRC Decay Rate", drc_decay),
+SOC_ENUM("DRC FF Delay", drc_ff_delay),
+SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0),
+SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0),
+SOC_SINGLE_TLV("DRC QR Threashold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max),
+SOC_ENUM("DRC QR Decay Rate", drc_qr_decay),
+SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0),
+SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0),
+SOC_ENUM("DRC Smoothing Threashold", drc_smoothing),
+SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup),
+
+SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT,
+ WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv),
+SOC_ENUM("ADC Companding Mode", adc_companding),
+SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0),
+
+/* DAC */
+SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT,
+ WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
+SOC_ENUM("DAC Soft Mute Rate", soft_mute),
+SOC_ENUM("DAC Mute Mode", mute_mode),
+SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
+SOC_ENUM("DAC De-emphasis", dac_deemphasis),
+SOC_SINGLE("DAC Sloping Stopband Filter Switch",
+ WM8903_DAC_DIGITAL_1, 11, 1, 0),
+SOC_ENUM("DAC Companding Mode", dac_companding),
+SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
+
+/* Headphones */
+SOC_DOUBLE_R("Headphone Switch",
+ WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
+ 8, 1, 1),
+SOC_DOUBLE_R("Headphone ZC Switch",
+ WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
+ 6, 1, 0),
+SOC_DOUBLE_R_TLV("Headphone Volume",
+ WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
+ 0, 63, 0, out_tlv),
+
+/* Line out */
+SOC_DOUBLE_R("Line Out Switch",
+ WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
+ 8, 1, 1),
+SOC_DOUBLE_R("Line Out ZC Switch",
+ WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
+ 6, 1, 0),
+SOC_DOUBLE_R_TLV("Line Out Volume",
+ WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
+ 0, 63, 0, out_tlv),
+
+/* Speaker */
+SOC_DOUBLE_R("Speaker Switch",
+ WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1),
+SOC_DOUBLE_R("Speaker ZC Switch",
+ WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0),
+SOC_DOUBLE_R_TLV("Speaker Volume",
+ WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT,
+ 0, 63, 0, out_tlv),
+};
+
+static int wm8903_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8903_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8903_snd_controls[i],
+ codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new linput_mode_mux =
+ SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum);
+
+static const struct snd_kcontrol_new rinput_mode_mux =
+ SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum);
+
+static const struct snd_kcontrol_new linput_mux =
+ SOC_DAPM_ENUM("Left Input Mux", linput_enum);
+
+static const struct snd_kcontrol_new linput_inv_mux =
+ SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum);
+
+static const struct snd_kcontrol_new rinput_mux =
+ SOC_DAPM_ENUM("Right Input Mux", rinput_enum);
+
+static const struct snd_kcontrol_new rinput_inv_mux =
+ SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum);
+
+static const struct snd_kcontrol_new left_output_mixer[] = {
+SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0),
+SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0),
+SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0),
+SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0),
+};
+
+static const struct snd_kcontrol_new right_output_mixer[] = {
+SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0),
+SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0),
+SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0),
+SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0),
+};
+
+static const struct snd_kcontrol_new left_speaker_mixer[] = {
+SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0),
+SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0,
+ 1, 1, 0),
+};
+
+static const struct snd_kcontrol_new right_speaker_mixer[] = {
+SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0),
+SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
+ 1, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
+ 1, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("IN1L"),
+SND_SOC_DAPM_INPUT("IN1R"),
+SND_SOC_DAPM_INPUT("IN2L"),
+SND_SOC_DAPM_INPUT("IN2R"),
+SND_SOC_DAPM_INPUT("IN3L"),
+SND_SOC_DAPM_INPUT("IN3R"),
+
+SND_SOC_DAPM_OUTPUT("HPOUTL"),
+SND_SOC_DAPM_OUTPUT("HPOUTR"),
+SND_SOC_DAPM_OUTPUT("LINEOUTL"),
+SND_SOC_DAPM_OUTPUT("LINEOUTR"),
+SND_SOC_DAPM_OUTPUT("LOP"),
+SND_SOC_DAPM_OUTPUT("LON"),
+SND_SOC_DAPM_OUTPUT("ROP"),
+SND_SOC_DAPM_OUTPUT("RON"),
+
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8903_MIC_BIAS_CONTROL_0, 0, 0),
+
+SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux),
+SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0,
+ &linput_inv_mux),
+SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux),
+
+SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux),
+SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0,
+ &rinput_inv_mux),
+SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux),
+
+SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0),
+
+SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8903_POWER_MANAGEMENT_6, 1, 0),
+SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8903_POWER_MANAGEMENT_6, 0, 0),
+
+SND_SOC_DAPM_DAC("DACL", "Left Playback", WM8903_POWER_MANAGEMENT_6, 3, 0),
+SND_SOC_DAPM_DAC("DACR", "Right Playback", WM8903_POWER_MANAGEMENT_6, 2, 0),
+
+SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0,
+ left_output_mixer, ARRAY_SIZE(left_output_mixer)),
+SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0,
+ right_output_mixer, ARRAY_SIZE(right_output_mixer)),
+
+SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0,
+ left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
+SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
+ right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
+
+SND_SOC_DAPM_PGA_E("Left Headphone Output PGA", WM8903_POWER_MANAGEMENT_2,
+ 1, 0, NULL, 0, wm8903_output_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+SND_SOC_DAPM_PGA_E("Right Headphone Output PGA", WM8903_POWER_MANAGEMENT_2,
+ 0, 0, NULL, 0, wm8903_output_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+
+SND_SOC_DAPM_PGA_E("Left Line Output PGA", WM8903_POWER_MANAGEMENT_3, 1, 0,
+ NULL, 0, wm8903_output_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+SND_SOC_DAPM_PGA_E("Right Line Output PGA", WM8903_POWER_MANAGEMENT_3, 0, 0,
+ NULL, 0, wm8903_output_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+
+SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0,
+ NULL, 0),
+SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0,
+ NULL, 0),
+
+};
+
+static const struct snd_soc_dapm_route intercon[] = {
+
+ { "Left Input Mux", "IN1L", "IN1L" },
+ { "Left Input Mux", "IN2L", "IN2L" },
+ { "Left Input Mux", "IN3L", "IN3L" },
+
+ { "Left Input Inverting Mux", "IN1L", "IN1L" },
+ { "Left Input Inverting Mux", "IN2L", "IN2L" },
+ { "Left Input Inverting Mux", "IN3L", "IN3L" },
+
+ { "Right Input Mux", "IN1R", "IN1R" },
+ { "Right Input Mux", "IN2R", "IN2R" },
+ { "Right Input Mux", "IN3R", "IN3R" },
+
+ { "Right Input Inverting Mux", "IN1R", "IN1R" },
+ { "Right Input Inverting Mux", "IN2R", "IN2R" },
+ { "Right Input Inverting Mux", "IN3R", "IN3R" },
+
+ { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" },
+ { "Left Input Mode Mux", "Differential Line",
+ "Left Input Mux" },
+ { "Left Input Mode Mux", "Differential Line",
+ "Left Input Inverting Mux" },
+ { "Left Input Mode Mux", "Differential Mic",
+ "Left Input Mux" },
+ { "Left Input Mode Mux", "Differential Mic",
+ "Left Input Inverting Mux" },
+
+ { "Right Input Mode Mux", "Single-Ended",
+ "Right Input Inverting Mux" },
+ { "Right Input Mode Mux", "Differential Line",
+ "Right Input Mux" },
+ { "Right Input Mode Mux", "Differential Line",
+ "Right Input Inverting Mux" },
+ { "Right Input Mode Mux", "Differential Mic",
+ "Right Input Mux" },
+ { "Right Input Mode Mux", "Differential Mic",
+ "Right Input Inverting Mux" },
+
+ { "Left Input PGA", NULL, "Left Input Mode Mux" },
+ { "Right Input PGA", NULL, "Right Input Mode Mux" },
+
+ { "ADCL", NULL, "Left Input PGA" },
+ { "ADCR", NULL, "Right Input PGA" },
+
+ { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" },
+ { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" },
+ { "Left Output Mixer", "DACL Switch", "DACL" },
+ { "Left Output Mixer", "DACR Switch", "DACR" },
+
+ { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" },
+ { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" },
+ { "Right Output Mixer", "DACL Switch", "DACL" },
+ { "Right Output Mixer", "DACR Switch", "DACR" },
+
+ { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
+ { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
+ { "Left Speaker Mixer", "DACL Switch", "DACL" },
+ { "Left Speaker Mixer", "DACR Switch", "DACR" },
+
+ { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
+ { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
+ { "Right Speaker Mixer", "DACL Switch", "DACL" },
+ { "Right Speaker Mixer", "DACR Switch", "DACR" },
+
+ { "Left Line Output PGA", NULL, "Left Output Mixer" },
+ { "Right Line Output PGA", NULL, "Right Output Mixer" },
+
+ { "Left Headphone Output PGA", NULL, "Left Output Mixer" },
+ { "Right Headphone Output PGA", NULL, "Right Output Mixer" },
+
+ { "Left Speaker PGA", NULL, "Left Speaker Mixer" },
+ { "Right Speaker PGA", NULL, "Right Speaker Mixer" },
+
+ { "HPOUTL", NULL, "Left Headphone Output PGA" },
+ { "HPOUTR", NULL, "Right Headphone Output PGA" },
+
+ { "LINEOUTL", NULL, "Left Line Output PGA" },
+ { "LINEOUTR", NULL, "Right Line Output PGA" },
+
+ { "LOP", NULL, "Left Speaker PGA" },
+ { "LON", NULL, "Left Speaker PGA" },
+
+ { "ROP", NULL, "Right Speaker PGA" },
+ { "RON", NULL, "Right Speaker PGA" },
+};
+
+static int wm8903_add_widgets(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_new_controls(codec, wm8903_dapm_widgets,
+ ARRAY_SIZE(wm8903_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+
+ snd_soc_dapm_new_widgets(codec);
+
+ return 0;
+}
+
+static int wm8903_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct i2c_client *i2c = codec->control_data;
+ u16 reg, reg2;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ case SND_SOC_BIAS_PREPARE:
+ reg = wm8903_read(codec, WM8903_VMID_CONTROL_0);
+ reg &= ~(WM8903_VMID_RES_MASK);
+ reg |= WM8903_VMID_RES_50K;
+ wm8903_write(codec, WM8903_VMID_CONTROL_0, reg);
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ wm8903_run_sequence(codec, 0);
+ wm8903_sync_reg_cache(codec, codec->reg_cache);
+
+ /* Enable low impedence charge pump output */
+ reg = wm8903_read(codec,
+ WM8903_CONTROL_INTERFACE_TEST_1);
+ wm8903_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
+ reg | WM8903_TEST_KEY);
+ reg2 = wm8903_read(codec, WM8903_CHARGE_PUMP_TEST_1);
+ wm8903_write(codec, WM8903_CHARGE_PUMP_TEST_1,
+ reg2 | WM8903_CP_SW_KELVIN_MODE_MASK);
+ wm8903_write(codec, WM8903_CONTROL_INTERFACE_TEST_1,
+ reg);
+
+ /* By default no bypass paths are enabled so
+ * enable Class W support.
+ */
+ dev_dbg(&i2c->dev, "Enabling Class W\n");
+ wm8903_write(codec, WM8903_CLASS_W_0, reg |
+ WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
+ }
+
+ reg = wm8903_read(codec, WM8903_VMID_CONTROL_0);
+ reg &= ~(WM8903_VMID_RES_MASK);
+ reg |= WM8903_VMID_RES_250K;
+ wm8903_write(codec, WM8903_VMID_CONTROL_0, reg);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ wm8903_run_sequence(codec, 32);
+ break;
+ }
+
+ codec->bias_level = level;
+
+ return 0;
+}
+
+static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8903_priv *wm8903 = codec->private_data;
+
+ wm8903->sysclk = freq;
+
+ return 0;
+}
+
+static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 aif1 = wm8903_read(codec, WM8903_AUDIO_INTERFACE_1);
+
+ aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK |
+ WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ aif1 |= WM8903_LRCLK_DIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ aif1 |= WM8903_BCLK_DIR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ aif1 |= 0x3;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ aif1 |= 0x3 | WM8903_AIF_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ aif1 |= 0x2;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ aif1 |= 0x1;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
+ /* frame inversion not valid for DSP modes */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif1 |= WM8903_AIF_BCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_RIGHT_J:
+ case SND_SOC_DAIFMT_LEFT_J:
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif1 |= WM8903_AIF_BCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ aif1 |= WM8903_AIF_LRCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wm8903_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
+
+ return 0;
+}
+
+static int wm8903_digital_mute(struct snd_soc_dai *codec_dai, int mute)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 reg;
+
+ reg = wm8903_read(codec, WM8903_DAC_DIGITAL_1);
+
+ if (mute)
+ reg |= WM8903_DAC_MUTE;
+ else
+ reg &= ~WM8903_DAC_MUTE;
+
+ wm8903_write(codec, WM8903_DAC_DIGITAL_1, reg);
+
+ return 0;
+}
+
+/* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended
+ * for optimal performance so we list the lower rates first and match
+ * on the last match we find. */
+static struct {
+ int div;
+ int rate;
+ int mode;
+ int mclk_div;
+} clk_sys_ratios[] = {
+ { 64, 0x0, 0x0, 1 },
+ { 68, 0x0, 0x1, 1 },
+ { 125, 0x0, 0x2, 1 },
+ { 128, 0x1, 0x0, 1 },
+ { 136, 0x1, 0x1, 1 },
+ { 192, 0x2, 0x0, 1 },
+ { 204, 0x2, 0x1, 1 },
+
+ { 64, 0x0, 0x0, 2 },
+ { 68, 0x0, 0x1, 2 },
+ { 125, 0x0, 0x2, 2 },
+ { 128, 0x1, 0x0, 2 },
+ { 136, 0x1, 0x1, 2 },
+ { 192, 0x2, 0x0, 2 },
+ { 204, 0x2, 0x1, 2 },
+
+ { 250, 0x2, 0x2, 1 },
+ { 256, 0x3, 0x0, 1 },
+ { 272, 0x3, 0x1, 1 },
+ { 384, 0x4, 0x0, 1 },
+ { 408, 0x4, 0x1, 1 },
+ { 375, 0x4, 0x2, 1 },
+ { 512, 0x5, 0x0, 1 },
+ { 544, 0x5, 0x1, 1 },
+ { 500, 0x5, 0x2, 1 },
+ { 768, 0x6, 0x0, 1 },
+ { 816, 0x6, 0x1, 1 },
+ { 750, 0x6, 0x2, 1 },
+ { 1024, 0x7, 0x0, 1 },
+ { 1088, 0x7, 0x1, 1 },
+ { 1000, 0x7, 0x2, 1 },
+ { 1408, 0x8, 0x0, 1 },
+ { 1496, 0x8, 0x1, 1 },
+ { 1536, 0x9, 0x0, 1 },
+ { 1632, 0x9, 0x1, 1 },
+ { 1500, 0x9, 0x2, 1 },
+
+ { 250, 0x2, 0x2, 2 },
+ { 256, 0x3, 0x0, 2 },
+ { 272, 0x3, 0x1, 2 },
+ { 384, 0x4, 0x0, 2 },
+ { 408, 0x4, 0x1, 2 },
+ { 375, 0x4, 0x2, 2 },
+ { 512, 0x5, 0x0, 2 },
+ { 544, 0x5, 0x1, 2 },
+ { 500, 0x5, 0x2, 2 },
+ { 768, 0x6, 0x0, 2 },
+ { 816, 0x6, 0x1, 2 },
+ { 750, 0x6, 0x2, 2 },
+ { 1024, 0x7, 0x0, 2 },
+ { 1088, 0x7, 0x1, 2 },
+ { 1000, 0x7, 0x2, 2 },
+ { 1408, 0x8, 0x0, 2 },
+ { 1496, 0x8, 0x1, 2 },
+ { 1536, 0x9, 0x0, 2 },
+ { 1632, 0x9, 0x1, 2 },
+ { 1500, 0x9, 0x2, 2 },
+};
+
+/* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */
+static struct {
+ int ratio;
+ int div;
+} bclk_divs[] = {
+ { 10, 0 },
+ { 15, 1 },
+ { 20, 2 },
+ { 30, 3 },
+ { 40, 4 },
+ { 50, 5 },
+ { 55, 6 },
+ { 60, 7 },
+ { 80, 8 },
+ { 100, 9 },
+ { 110, 10 },
+ { 120, 11 },
+ { 160, 12 },
+ { 200, 13 },
+ { 220, 14 },
+ { 240, 15 },
+ { 250, 16 },
+ { 300, 17 },
+ { 320, 18 },
+ { 440, 19 },
+ { 480, 20 },
+};
+
+/* Sample rates for DSP */
+static struct {
+ int rate;
+ int value;
+} sample_rates[] = {
+ { 8000, 0 },
+ { 11025, 1 },
+ { 12000, 2 },
+ { 16000, 3 },
+ { 22050, 4 },
+ { 24000, 5 },
+ { 32000, 6 },
+ { 44100, 7 },
+ { 48000, 8 },
+ { 88200, 9 },
+ { 96000, 10 },
+ { 0, 0 },
+};
+
+static int wm8903_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm8903_priv *wm8903 = codec->private_data;
+ struct i2c_client *i2c = codec->control_data;
+ struct snd_pcm_runtime *master_runtime;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ wm8903->playback_active++;
+ else
+ wm8903->capture_active++;
+
+ /* The DAI has shared clocks so if we already have a playback or
+ * capture going then constrain this substream to match it.
+ */
+ if (wm8903->master_substream) {
+ master_runtime = wm8903->master_substream->runtime;
+
+ dev_dbg(&i2c->dev, "Constraining to %d bits at %dHz\n",
+ master_runtime->sample_bits,
+ master_runtime->rate);
+
+ snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE,
+ master_runtime->rate,
+ master_runtime->rate);
+
+ snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
+ master_runtime->sample_bits,
+ master_runtime->sample_bits);
+
+ wm8903->slave_substream = substream;
+ } else
+ wm8903->master_substream = substream;
+
+ return 0;
+}
+
+static void wm8903_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm8903_priv *wm8903 = codec->private_data;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ wm8903->playback_active--;
+ else
+ wm8903->capture_active--;
+
+ if (wm8903->master_substream == substream)
+ wm8903->master_substream = wm8903->slave_substream;
+
+ wm8903->slave_substream = NULL;
+}
+
+static int wm8903_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm8903_priv *wm8903 = codec->private_data;
+ struct i2c_client *i2c = codec->control_data;
+ int fs = params_rate(params);
+ int bclk;
+ int bclk_div;
+ int i;
+ int dsp_config;
+ int clk_config;
+ int best_val;
+ int cur_val;
+ int clk_sys;
+
+ u16 aif1 = wm8903_read(codec, WM8903_AUDIO_INTERFACE_1);
+ u16 aif2 = wm8903_read(codec, WM8903_AUDIO_INTERFACE_2);
+ u16 aif3 = wm8903_read(codec, WM8903_AUDIO_INTERFACE_3);
+ u16 clock0 = wm8903_read(codec, WM8903_CLOCK_RATES_0);
+ u16 clock1 = wm8903_read(codec, WM8903_CLOCK_RATES_1);
+
+ if (substream == wm8903->slave_substream) {
+ dev_dbg(&i2c->dev, "Ignoring hw_params for slave substream\n");
+ return 0;
+ }
+
+ /* Configure sample rate logic for DSP - choose nearest rate */
+ dsp_config = 0;
+ best_val = abs(sample_rates[dsp_config].rate - fs);
+ for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
+ cur_val = abs(sample_rates[i].rate - fs);
+ if (cur_val <= best_val) {
+ dsp_config = i;
+ best_val = cur_val;
+ }
+ }
+
+ /* Constraints should stop us hitting this but let's make sure */
+ if (wm8903->capture_active)
+ switch (sample_rates[dsp_config].rate) {
+ case 88200:
+ case 96000:
+ dev_err(&i2c->dev, "%dHz unsupported by ADC\n",
+ fs);
+ return -EINVAL;
+
+ default:
+ break;
+ }
+
+ dev_dbg(&i2c->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate);
+ clock1 &= ~WM8903_SAMPLE_RATE_MASK;
+ clock1 |= sample_rates[dsp_config].value;
+
+ aif1 &= ~WM8903_AIF_WL_MASK;
+ bclk = 2 * fs;
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ bclk *= 16;
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ bclk *= 20;
+ aif1 |= 0x4;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ bclk *= 24;
+ aif1 |= 0x8;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ bclk *= 32;
+ aif1 |= 0xc;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ dev_dbg(&i2c->dev, "MCLK = %dHz, target sample rate = %dHz\n",
+ wm8903->sysclk, fs);
+
+ /* We may not have an MCLK which allows us to generate exactly
+ * the clock we want, particularly with USB derived inputs, so
+ * approximate.
+ */
+ clk_config = 0;
+ best_val = abs((wm8903->sysclk /
+ (clk_sys_ratios[0].mclk_div *
+ clk_sys_ratios[0].div)) - fs);
+ for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) {
+ cur_val = abs((wm8903->sysclk /
+ (clk_sys_ratios[i].mclk_div *
+ clk_sys_ratios[i].div)) - fs);
+
+ if (cur_val <= best_val) {
+ clk_config = i;
+ best_val = cur_val;
+ }
+ }
+
+ if (clk_sys_ratios[clk_config].mclk_div == 2) {
+ clock0 |= WM8903_MCLKDIV2;
+ clk_sys = wm8903->sysclk / 2;
+ } else {
+ clock0 &= ~WM8903_MCLKDIV2;
+ clk_sys = wm8903->sysclk;
+ }
+
+ clock1 &= ~(WM8903_CLK_SYS_RATE_MASK |
+ WM8903_CLK_SYS_MODE_MASK);
+ clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT;
+ clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT;
+
+ dev_dbg(&i2c->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n",
+ clk_sys_ratios[clk_config].rate,
+ clk_sys_ratios[clk_config].mode,
+ clk_sys_ratios[clk_config].div);
+
+ dev_dbg(&i2c->dev, "Actual CLK_SYS = %dHz\n", clk_sys);
+
+ /* We may not get quite the right frequency if using
+ * approximate clocks so look for the closest match that is
+ * higher than the target (we need to ensure that there enough
+ * BCLKs to clock out the samples).
+ */
+ bclk_div = 0;
+ best_val = ((clk_sys * 10) / bclk_divs[0].ratio) - bclk;
+ i = 1;
+ while (i < ARRAY_SIZE(bclk_divs)) {
+ cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk;
+ if (cur_val < 0) /* BCLK table is sorted */
+ break;
+ bclk_div = i;
+ best_val = cur_val;
+ i++;
+ }
+
+ aif2 &= ~WM8903_BCLK_DIV_MASK;
+ aif3 &= ~WM8903_LRCLK_RATE_MASK;
+
+ dev_dbg(&i2c->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n",
+ bclk_divs[bclk_div].ratio / 10, bclk,
+ (clk_sys * 10) / bclk_divs[bclk_div].ratio);
+
+ aif2 |= bclk_divs[bclk_div].div;
+ aif3 |= bclk / fs;
+
+ wm8903_write(codec, WM8903_CLOCK_RATES_0, clock0);
+ wm8903_write(codec, WM8903_CLOCK_RATES_1, clock1);
+ wm8903_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
+ wm8903_write(codec, WM8903_AUDIO_INTERFACE_2, aif2);
+ wm8903_write(codec, WM8903_AUDIO_INTERFACE_3, aif3);
+
+ return 0;
+}
+
+#define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\
+ SNDRV_PCM_RATE_11025 | \
+ SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_32000 | \
+ SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | \
+ SNDRV_PCM_RATE_88200 | \
+ SNDRV_PCM_RATE_96000)
+
+#define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
+ SNDRV_PCM_RATE_11025 | \
+ SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_32000 | \
+ SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+#define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+struct snd_soc_dai wm8903_dai = {
+ .name = "WM8903",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = WM8903_PLAYBACK_RATES,
+ .formats = WM8903_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = WM8903_CAPTURE_RATES,
+ .formats = WM8903_FORMATS,
+ },
+ .ops = {
+ .startup = wm8903_startup,
+ .shutdown = wm8903_shutdown,
+ .hw_params = wm8903_hw_params,
+ },
+ .dai_ops = {
+ .digital_mute = wm8903_digital_mute,
+ .set_fmt = wm8903_set_dai_fmt,
+ .set_sysclk = wm8903_set_dai_sysclk
+ }
+};
+EXPORT_SYMBOL_GPL(wm8903_dai);
+
+static int wm8903_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static int wm8903_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c = codec->control_data;
+ int i;
+ u16 *reg_cache = codec->reg_cache;
+ u16 *tmp_cache = kmemdup(codec->reg_cache, sizeof(wm8903_reg_defaults),
+ GFP_KERNEL);
+
+ /* Bring the codec back up to standby first to minimise pop/clicks */
+ wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ wm8903_set_bias_level(codec, codec->suspend_bias_level);
+
+ /* Sync back everything else */
+ if (tmp_cache) {
+ for (i = 2; i < ARRAY_SIZE(wm8903_reg_defaults); i++)
+ if (tmp_cache[i] != reg_cache[i])
+ wm8903_write(codec, i, tmp_cache[i]);
+ } else {
+ dev_err(&i2c->dev, "Failed to allocate temporary cache\n");
+ }
+
+ return 0;
+}
+
+/*
+ * initialise the WM8903 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8903_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c = codec->control_data;
+ int ret = 0;
+ u16 val;
+
+ val = wm8903_hw_read(codec, WM8903_SW_RESET_AND_ID);
+ if (val != wm8903_reg_defaults[WM8903_SW_RESET_AND_ID]) {
+ dev_err(&i2c->dev,
+ "Device with ID register %x is not a WM8903\n", val);
+ return -ENODEV;
+ }
+
+ codec->name = "WM8903";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8903_read;
+ codec->write = wm8903_write;
+ codec->bias_level = SND_SOC_BIAS_OFF;
+ codec->set_bias_level = wm8903_set_bias_level;
+ codec->dai = &wm8903_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8903_reg_defaults);
+ codec->reg_cache = kmemdup(wm8903_reg_defaults,
+ sizeof(wm8903_reg_defaults),
+ GFP_KERNEL);
+ if (codec->reg_cache == NULL) {
+ dev_err(&i2c->dev, "Failed to allocate register cache\n");
+ return -ENOMEM;
+ }
+
+ val = wm8903_read(codec, WM8903_REVISION_NUMBER);
+ dev_info(&i2c->dev, "WM8903 revision %d\n",
+ val & WM8903_CHIP_REV_MASK);
+
+ wm8903_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "failed to create pcms\n");
+ goto pcm_err;
+ }
+
+ /* SYSCLK is required for pretty much anything */
+ wm8903_write(codec, WM8903_CLOCK_RATES_2, WM8903_CLK_SYS_ENA);
+
+ /* power on device */
+ wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ /* Latch volume update bits */
+ val = wm8903_read(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT);
+ val |= WM8903_ADCVU;
+ wm8903_write(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT, val);
+ wm8903_write(codec, WM8903_ADC_DIGITAL_VOLUME_RIGHT, val);
+
+ val = wm8903_read(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT);
+ val |= WM8903_DACVU;
+ wm8903_write(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT, val);
+ wm8903_write(codec, WM8903_DAC_DIGITAL_VOLUME_RIGHT, val);
+
+ val = wm8903_read(codec, WM8903_ANALOGUE_OUT1_LEFT);
+ val |= WM8903_HPOUTVU;
+ wm8903_write(codec, WM8903_ANALOGUE_OUT1_LEFT, val);
+ wm8903_write(codec, WM8903_ANALOGUE_OUT1_RIGHT, val);
+
+ val = wm8903_read(codec, WM8903_ANALOGUE_OUT2_LEFT);
+ val |= WM8903_LINEOUTVU;
+ wm8903_write(codec, WM8903_ANALOGUE_OUT2_LEFT, val);
+ wm8903_write(codec, WM8903_ANALOGUE_OUT2_RIGHT, val);
+
+ val = wm8903_read(codec, WM8903_ANALOGUE_OUT3_LEFT);
+ val |= WM8903_SPKVU;
+ wm8903_write(codec, WM8903_ANALOGUE_OUT3_LEFT, val);
+ wm8903_write(codec, WM8903_ANALOGUE_OUT3_RIGHT, val);
+
+ /* Enable DAC soft mute by default */
+ val = wm8903_read(codec, WM8903_DAC_DIGITAL_1);
+ val |= WM8903_DAC_MUTEMODE;
+ wm8903_write(codec, WM8903_DAC_DIGITAL_1, val);
+
+ wm8903_add_controls(codec);
+ wm8903_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "wm8903: failed to register card\n");
+ goto card_err;
+ }
+
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ kfree(codec->reg_cache);
+ return ret;
+}
+
+static struct snd_soc_device *wm8903_socdev;
+
+static int wm8903_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct snd_soc_device *socdev = wm8903_socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret;
+
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = wm8903_init(socdev);
+ if (ret < 0)
+ dev_err(&i2c->dev, "Device initialisation failed\n");
+
+ return ret;
+}
+
+static int wm8903_i2c_remove(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ kfree(codec->reg_cache);
+ return 0;
+}
+
+/* i2c codec control layer */
+static const struct i2c_device_id wm8903_i2c_id[] = {
+ { "wm8903", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id);
+
+static struct i2c_driver wm8903_i2c_driver = {
+ .driver = {
+ .name = "WM8903",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8903_i2c_probe,
+ .remove = wm8903_i2c_remove,
+ .id_table = wm8903_i2c_id,
+};
+
+static int wm8903_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8903_setup_data *setup;
+ struct snd_soc_codec *codec;
+ struct wm8903_priv *wm8903;
+ struct i2c_board_info board_info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *i2c_client;
+ int ret = 0;
+
+ setup = socdev->codec_data;
+
+ if (!setup->i2c_address) {
+ dev_err(&pdev->dev, "No codec address provided\n");
+ return -ENODEV;
+ }
+
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ wm8903 = kzalloc(sizeof(struct wm8903_priv), GFP_KERNEL);
+ if (wm8903 == NULL) {
+ ret = -ENOMEM;
+ goto err_codec;
+ }
+
+ codec->private_data = wm8903;
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8903_socdev = socdev;
+
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8903_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ goto err_priv;
+ } else {
+ memset(&board_info, 0, sizeof(board_info));
+ strlcpy(board_info.type, "wm8903", I2C_NAME_SIZE);
+ board_info.addr = setup->i2c_address;
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "Can't get I2C bus %d\n",
+ setup->i2c_bus);
+ ret = -ENODEV;
+ goto err_adapter;
+ }
+
+ i2c_client = i2c_new_device(adapter, &board_info);
+ i2c_put_adapter(adapter);
+ if (i2c_client == NULL) {
+ dev_err(&pdev->dev,
+ "I2C driver registration failed\n");
+ ret = -ENODEV;
+ goto err_adapter;
+ }
+ }
+
+ return ret;
+
+err_adapter:
+ i2c_del_driver(&wm8903_i2c_driver);
+err_priv:
+ kfree(codec->private_data);
+err_codec:
+ kfree(codec);
+ return ret;
+}
+
+/* power down chip */
+static int wm8903_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ i2c_unregister_device(socdev->codec->control_data);
+ i2c_del_driver(&wm8903_i2c_driver);
+ kfree(codec->private_data);
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8903 = {
+ .probe = wm8903_probe,
+ .remove = wm8903_remove,
+ .suspend = wm8903_suspend,
+ .resume = wm8903_resume,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8903);
+
+MODULE_DESCRIPTION("ASoC WM8903 driver");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wm8903.h b/sound/soc/codecs/wm8903.h
new file mode 100644
index 0000000..cec622f
--- /dev/null
+++ b/sound/soc/codecs/wm8903.h
@@ -0,0 +1,1463 @@
+/*
+ * wm8903.h - WM8903 audio codec interface
+ *
+ * Copyright 2008 Wolfson Microelectronics PLC.
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef _WM8903_H
+#define _WM8903_H
+
+#include <linux/i2c.h>
+
+extern struct snd_soc_dai wm8903_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8903;
+
+struct wm8903_setup_data {
+ int i2c_bus;
+ int i2c_address;
+};
+
+#define WM8903_MCLK_DIV_2 1
+#define WM8903_CLK_SYS 2
+#define WM8903_BCLK 3
+#define WM8903_LRCLK 4
+
+/*
+ * Register values.
+ */
+#define WM8903_SW_RESET_AND_ID 0x00
+#define WM8903_REVISION_NUMBER 0x01
+#define WM8903_BIAS_CONTROL_0 0x04
+#define WM8903_VMID_CONTROL_0 0x05
+#define WM8903_MIC_BIAS_CONTROL_0 0x06
+#define WM8903_ANALOGUE_DAC_0 0x08
+#define WM8903_ANALOGUE_ADC_0 0x0A
+#define WM8903_POWER_MANAGEMENT_0 0x0C
+#define WM8903_POWER_MANAGEMENT_1 0x0D
+#define WM8903_POWER_MANAGEMENT_2 0x0E
+#define WM8903_POWER_MANAGEMENT_3 0x0F
+#define WM8903_POWER_MANAGEMENT_4 0x10
+#define WM8903_POWER_MANAGEMENT_5 0x11
+#define WM8903_POWER_MANAGEMENT_6 0x12
+#define WM8903_CLOCK_RATES_0 0x14
+#define WM8903_CLOCK_RATES_1 0x15
+#define WM8903_CLOCK_RATES_2 0x16
+#define WM8903_AUDIO_INTERFACE_0 0x18
+#define WM8903_AUDIO_INTERFACE_1 0x19
+#define WM8903_AUDIO_INTERFACE_2 0x1A
+#define WM8903_AUDIO_INTERFACE_3 0x1B
+#define WM8903_DAC_DIGITAL_VOLUME_LEFT 0x1E
+#define WM8903_DAC_DIGITAL_VOLUME_RIGHT 0x1F
+#define WM8903_DAC_DIGITAL_0 0x20
+#define WM8903_DAC_DIGITAL_1 0x21
+#define WM8903_ADC_DIGITAL_VOLUME_LEFT 0x24
+#define WM8903_ADC_DIGITAL_VOLUME_RIGHT 0x25
+#define WM8903_ADC_DIGITAL_0 0x26
+#define WM8903_DIGITAL_MICROPHONE_0 0x27
+#define WM8903_DRC_0 0x28
+#define WM8903_DRC_1 0x29
+#define WM8903_DRC_2 0x2A
+#define WM8903_DRC_3 0x2B
+#define WM8903_ANALOGUE_LEFT_INPUT_0 0x2C
+#define WM8903_ANALOGUE_RIGHT_INPUT_0 0x2D
+#define WM8903_ANALOGUE_LEFT_INPUT_1 0x2E
+#define WM8903_ANALOGUE_RIGHT_INPUT_1 0x2F
+#define WM8903_ANALOGUE_LEFT_MIX_0 0x32
+#define WM8903_ANALOGUE_RIGHT_MIX_0 0x33
+#define WM8903_ANALOGUE_SPK_MIX_LEFT_0 0x34
+#define WM8903_ANALOGUE_SPK_MIX_LEFT_1 0x35
+#define WM8903_ANALOGUE_SPK_MIX_RIGHT_0 0x36
+#define WM8903_ANALOGUE_SPK_MIX_RIGHT_1 0x37
+#define WM8903_ANALOGUE_OUT1_LEFT 0x39
+#define WM8903_ANALOGUE_OUT1_RIGHT 0x3A
+#define WM8903_ANALOGUE_OUT2_LEFT 0x3B
+#define WM8903_ANALOGUE_OUT2_RIGHT 0x3C
+#define WM8903_ANALOGUE_OUT3_LEFT 0x3E
+#define WM8903_ANALOGUE_OUT3_RIGHT 0x3F
+#define WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0 0x41
+#define WM8903_DC_SERVO_0 0x43
+#define WM8903_DC_SERVO_2 0x45
+#define WM8903_ANALOGUE_HP_0 0x5A
+#define WM8903_ANALOGUE_LINEOUT_0 0x5E
+#define WM8903_CHARGE_PUMP_0 0x62
+#define WM8903_CLASS_W_0 0x68
+#define WM8903_WRITE_SEQUENCER_0 0x6C
+#define WM8903_WRITE_SEQUENCER_1 0x6D
+#define WM8903_WRITE_SEQUENCER_2 0x6E
+#define WM8903_WRITE_SEQUENCER_3 0x6F
+#define WM8903_WRITE_SEQUENCER_4 0x70
+#define WM8903_CONTROL_INTERFACE 0x72
+#define WM8903_GPIO_CONTROL_1 0x74
+#define WM8903_GPIO_CONTROL_2 0x75
+#define WM8903_GPIO_CONTROL_3 0x76
+#define WM8903_GPIO_CONTROL_4 0x77
+#define WM8903_GPIO_CONTROL_5 0x78
+#define WM8903_INTERRUPT_STATUS_1 0x79
+#define WM8903_INTERRUPT_STATUS_1_MASK 0x7A
+#define WM8903_INTERRUPT_POLARITY_1 0x7B
+#define WM8903_INTERRUPT_CONTROL 0x7E
+#define WM8903_CONTROL_INTERFACE_TEST_1 0x81
+#define WM8903_CHARGE_PUMP_TEST_1 0x95
+#define WM8903_CLOCK_RATE_TEST_4 0xA4
+#define WM8903_ANALOGUE_OUTPUT_BIAS_0 0xAC
+
+#define WM8903_REGISTER_COUNT 75
+#define WM8903_MAX_REGISTER 0xAC
+
+/*
+ * Field Definitions.
+ */
+
+/*
+ * R0 (0x00) - SW Reset and ID
+ */
+#define WM8903_SW_RESET_DEV_ID1_MASK 0xFFFF /* SW_RESET_DEV_ID1 - [15:0] */
+#define WM8903_SW_RESET_DEV_ID1_SHIFT 0 /* SW_RESET_DEV_ID1 - [15:0] */
+#define WM8903_SW_RESET_DEV_ID1_WIDTH 16 /* SW_RESET_DEV_ID1 - [15:0] */
+
+/*
+ * R1 (0x01) - Revision Number
+ */
+#define WM8903_CHIP_REV_MASK 0x000F /* CHIP_REV - [3:0] */
+#define WM8903_CHIP_REV_SHIFT 0 /* CHIP_REV - [3:0] */
+#define WM8903_CHIP_REV_WIDTH 4 /* CHIP_REV - [3:0] */
+
+/*
+ * R4 (0x04) - Bias Control 0
+ */
+#define WM8903_POBCTRL 0x0010 /* POBCTRL */
+#define WM8903_POBCTRL_MASK 0x0010 /* POBCTRL */
+#define WM8903_POBCTRL_SHIFT 4 /* POBCTRL */
+#define WM8903_POBCTRL_WIDTH 1 /* POBCTRL */
+#define WM8903_ISEL_MASK 0x000C /* ISEL - [3:2] */
+#define WM8903_ISEL_SHIFT 2 /* ISEL - [3:2] */
+#define WM8903_ISEL_WIDTH 2 /* ISEL - [3:2] */
+#define WM8903_STARTUP_BIAS_ENA 0x0002 /* STARTUP_BIAS_ENA */
+#define WM8903_STARTUP_BIAS_ENA_MASK 0x0002 /* STARTUP_BIAS_ENA */
+#define WM8903_STARTUP_BIAS_ENA_SHIFT 1 /* STARTUP_BIAS_ENA */
+#define WM8903_STARTUP_BIAS_ENA_WIDTH 1 /* STARTUP_BIAS_ENA */
+#define WM8903_BIAS_ENA 0x0001 /* BIAS_ENA */
+#define WM8903_BIAS_ENA_MASK 0x0001 /* BIAS_ENA */
+#define WM8903_BIAS_ENA_SHIFT 0 /* BIAS_ENA */
+#define WM8903_BIAS_ENA_WIDTH 1 /* BIAS_ENA */
+
+/*
+ * R5 (0x05) - VMID Control 0
+ */
+#define WM8903_VMID_TIE_ENA 0x0080 /* VMID_TIE_ENA */
+#define WM8903_VMID_TIE_ENA_MASK 0x0080 /* VMID_TIE_ENA */
+#define WM8903_VMID_TIE_ENA_SHIFT 7 /* VMID_TIE_ENA */
+#define WM8903_VMID_TIE_ENA_WIDTH 1 /* VMID_TIE_ENA */
+#define WM8903_BUFIO_ENA 0x0040 /* BUFIO_ENA */
+#define WM8903_BUFIO_ENA_MASK 0x0040 /* BUFIO_ENA */
+#define WM8903_BUFIO_ENA_SHIFT 6 /* BUFIO_ENA */
+#define WM8903_BUFIO_ENA_WIDTH 1 /* BUFIO_ENA */
+#define WM8903_VMID_IO_ENA 0x0020 /* VMID_IO_ENA */
+#define WM8903_VMID_IO_ENA_MASK 0x0020 /* VMID_IO_ENA */
+#define WM8903_VMID_IO_ENA_SHIFT 5 /* VMID_IO_ENA */
+#define WM8903_VMID_IO_ENA_WIDTH 1 /* VMID_IO_ENA */
+#define WM8903_VMID_SOFT_MASK 0x0018 /* VMID_SOFT - [4:3] */
+#define WM8903_VMID_SOFT_SHIFT 3 /* VMID_SOFT - [4:3] */
+#define WM8903_VMID_SOFT_WIDTH 2 /* VMID_SOFT - [4:3] */
+#define WM8903_VMID_RES_MASK 0x0006 /* VMID_RES - [2:1] */
+#define WM8903_VMID_RES_SHIFT 1 /* VMID_RES - [2:1] */
+#define WM8903_VMID_RES_WIDTH 2 /* VMID_RES - [2:1] */
+#define WM8903_VMID_BUF_ENA 0x0001 /* VMID_BUF_ENA */
+#define WM8903_VMID_BUF_ENA_MASK 0x0001 /* VMID_BUF_ENA */
+#define WM8903_VMID_BUF_ENA_SHIFT 0 /* VMID_BUF_ENA */
+#define WM8903_VMID_BUF_ENA_WIDTH 1 /* VMID_BUF_ENA */
+
+#define WM8903_VMID_RES_50K 2
+#define WM8903_VMID_RES_250K 3
+#define WM8903_VMID_RES_5K 4
+
+/*
+ * R6 (0x06) - Mic Bias Control 0
+ */
+#define WM8903_MICDET_HYST_ENA 0x0080 /* MICDET_HYST_ENA */
+#define WM8903_MICDET_HYST_ENA_MASK 0x0080 /* MICDET_HYST_ENA */
+#define WM8903_MICDET_HYST_ENA_SHIFT 7 /* MICDET_HYST_ENA */
+#define WM8903_MICDET_HYST_ENA_WIDTH 1 /* MICDET_HYST_ENA */
+#define WM8903_MICDET_THR_MASK 0x0070 /* MICDET_THR - [6:4] */
+#define WM8903_MICDET_THR_SHIFT 4 /* MICDET_THR - [6:4] */
+#define WM8903_MICDET_THR_WIDTH 3 /* MICDET_THR - [6:4] */
+#define WM8903_MICSHORT_THR_MASK 0x000C /* MICSHORT_THR - [3:2] */
+#define WM8903_MICSHORT_THR_SHIFT 2 /* MICSHORT_THR - [3:2] */
+#define WM8903_MICSHORT_THR_WIDTH 2 /* MICSHORT_THR - [3:2] */
+#define WM8903_MICDET_ENA 0x0002 /* MICDET_ENA */
+#define WM8903_MICDET_ENA_MASK 0x0002 /* MICDET_ENA */
+#define WM8903_MICDET_ENA_SHIFT 1 /* MICDET_ENA */
+#define WM8903_MICDET_ENA_WIDTH 1 /* MICDET_ENA */
+#define WM8903_MICBIAS_ENA 0x0001 /* MICBIAS_ENA */
+#define WM8903_MICBIAS_ENA_MASK 0x0001 /* MICBIAS_ENA */
+#define WM8903_MICBIAS_ENA_SHIFT 0 /* MICBIAS_ENA */
+#define WM8903_MICBIAS_ENA_WIDTH 1 /* MICBIAS_ENA */
+
+/*
+ * R8 (0x08) - Analogue DAC 0
+ */
+#define WM8903_DACBIAS_SEL_MASK 0x0018 /* DACBIAS_SEL - [4:3] */
+#define WM8903_DACBIAS_SEL_SHIFT 3 /* DACBIAS_SEL - [4:3] */
+#define WM8903_DACBIAS_SEL_WIDTH 2 /* DACBIAS_SEL - [4:3] */
+#define WM8903_DACVMID_BIAS_SEL_MASK 0x0006 /* DACVMID_BIAS_SEL - [2:1] */
+#define WM8903_DACVMID_BIAS_SEL_SHIFT 1 /* DACVMID_BIAS_SEL - [2:1] */
+#define WM8903_DACVMID_BIAS_SEL_WIDTH 2 /* DACVMID_BIAS_SEL - [2:1] */
+
+/*
+ * R10 (0x0A) - Analogue ADC 0
+ */
+#define WM8903_ADC_OSR128 0x0001 /* ADC_OSR128 */
+#define WM8903_ADC_OSR128_MASK 0x0001 /* ADC_OSR128 */
+#define WM8903_ADC_OSR128_SHIFT 0 /* ADC_OSR128 */
+#define WM8903_ADC_OSR128_WIDTH 1 /* ADC_OSR128 */
+
+/*
+ * R12 (0x0C) - Power Management 0
+ */
+#define WM8903_INL_ENA 0x0002 /* INL_ENA */
+#define WM8903_INL_ENA_MASK 0x0002 /* INL_ENA */
+#define WM8903_INL_ENA_SHIFT 1 /* INL_ENA */
+#define WM8903_INL_ENA_WIDTH 1 /* INL_ENA */
+#define WM8903_INR_ENA 0x0001 /* INR_ENA */
+#define WM8903_INR_ENA_MASK 0x0001 /* INR_ENA */
+#define WM8903_INR_ENA_SHIFT 0 /* INR_ENA */
+#define WM8903_INR_ENA_WIDTH 1 /* INR_ENA */
+
+/*
+ * R13 (0x0D) - Power Management 1
+ */
+#define WM8903_MIXOUTL_ENA 0x0002 /* MIXOUTL_ENA */
+#define WM8903_MIXOUTL_ENA_MASK 0x0002 /* MIXOUTL_ENA */
+#define WM8903_MIXOUTL_ENA_SHIFT 1 /* MIXOUTL_ENA */
+#define WM8903_MIXOUTL_ENA_WIDTH 1 /* MIXOUTL_ENA */
+#define WM8903_MIXOUTR_ENA 0x0001 /* MIXOUTR_ENA */
+#define WM8903_MIXOUTR_ENA_MASK 0x0001 /* MIXOUTR_ENA */
+#define WM8903_MIXOUTR_ENA_SHIFT 0 /* MIXOUTR_ENA */
+#define WM8903_MIXOUTR_ENA_WIDTH 1 /* MIXOUTR_ENA */
+
+/*
+ * R14 (0x0E) - Power Management 2
+ */
+#define WM8903_HPL_PGA_ENA 0x0002 /* HPL_PGA_ENA */
+#define WM8903_HPL_PGA_ENA_MASK 0x0002 /* HPL_PGA_ENA */
+#define WM8903_HPL_PGA_ENA_SHIFT 1 /* HPL_PGA_ENA */
+#define WM8903_HPL_PGA_ENA_WIDTH 1 /* HPL_PGA_ENA */
+#define WM8903_HPR_PGA_ENA 0x0001 /* HPR_PGA_ENA */
+#define WM8903_HPR_PGA_ENA_MASK 0x0001 /* HPR_PGA_ENA */
+#define WM8903_HPR_PGA_ENA_SHIFT 0 /* HPR_PGA_ENA */
+#define WM8903_HPR_PGA_ENA_WIDTH 1 /* HPR_PGA_ENA */
+
+/*
+ * R15 (0x0F) - Power Management 3
+ */
+#define WM8903_LINEOUTL_PGA_ENA 0x0002 /* LINEOUTL_PGA_ENA */
+#define WM8903_LINEOUTL_PGA_ENA_MASK 0x0002 /* LINEOUTL_PGA_ENA */
+#define WM8903_LINEOUTL_PGA_ENA_SHIFT 1 /* LINEOUTL_PGA_ENA */
+#define WM8903_LINEOUTL_PGA_ENA_WIDTH 1 /* LINEOUTL_PGA_ENA */
+#define WM8903_LINEOUTR_PGA_ENA 0x0001 /* LINEOUTR_PGA_ENA */
+#define WM8903_LINEOUTR_PGA_ENA_MASK 0x0001 /* LINEOUTR_PGA_ENA */
+#define WM8903_LINEOUTR_PGA_ENA_SHIFT 0 /* LINEOUTR_PGA_ENA */
+#define WM8903_LINEOUTR_PGA_ENA_WIDTH 1 /* LINEOUTR_PGA_ENA */
+
+/*
+ * R16 (0x10) - Power Management 4
+ */
+#define WM8903_MIXSPKL_ENA 0x0002 /* MIXSPKL_ENA */
+#define WM8903_MIXSPKL_ENA_MASK 0x0002 /* MIXSPKL_ENA */
+#define WM8903_MIXSPKL_ENA_SHIFT 1 /* MIXSPKL_ENA */
+#define WM8903_MIXSPKL_ENA_WIDTH 1 /* MIXSPKL_ENA */
+#define WM8903_MIXSPKR_ENA 0x0001 /* MIXSPKR_ENA */
+#define WM8903_MIXSPKR_ENA_MASK 0x0001 /* MIXSPKR_ENA */
+#define WM8903_MIXSPKR_ENA_SHIFT 0 /* MIXSPKR_ENA */
+#define WM8903_MIXSPKR_ENA_WIDTH 1 /* MIXSPKR_ENA */
+
+/*
+ * R17 (0x11) - Power Management 5
+ */
+#define WM8903_SPKL_ENA 0x0002 /* SPKL_ENA */
+#define WM8903_SPKL_ENA_MASK 0x0002 /* SPKL_ENA */
+#define WM8903_SPKL_ENA_SHIFT 1 /* SPKL_ENA */
+#define WM8903_SPKL_ENA_WIDTH 1 /* SPKL_ENA */
+#define WM8903_SPKR_ENA 0x0001 /* SPKR_ENA */
+#define WM8903_SPKR_ENA_MASK 0x0001 /* SPKR_ENA */
+#define WM8903_SPKR_ENA_SHIFT 0 /* SPKR_ENA */
+#define WM8903_SPKR_ENA_WIDTH 1 /* SPKR_ENA */
+
+/*
+ * R18 (0x12) - Power Management 6
+ */
+#define WM8903_DACL_ENA 0x0008 /* DACL_ENA */
+#define WM8903_DACL_ENA_MASK 0x0008 /* DACL_ENA */
+#define WM8903_DACL_ENA_SHIFT 3 /* DACL_ENA */
+#define WM8903_DACL_ENA_WIDTH 1 /* DACL_ENA */
+#define WM8903_DACR_ENA 0x0004 /* DACR_ENA */
+#define WM8903_DACR_ENA_MASK 0x0004 /* DACR_ENA */
+#define WM8903_DACR_ENA_SHIFT 2 /* DACR_ENA */
+#define WM8903_DACR_ENA_WIDTH 1 /* DACR_ENA */
+#define WM8903_ADCL_ENA 0x0002 /* ADCL_ENA */
+#define WM8903_ADCL_ENA_MASK 0x0002 /* ADCL_ENA */
+#define WM8903_ADCL_ENA_SHIFT 1 /* ADCL_ENA */
+#define WM8903_ADCL_ENA_WIDTH 1 /* ADCL_ENA */
+#define WM8903_ADCR_ENA 0x0001 /* ADCR_ENA */
+#define WM8903_ADCR_ENA_MASK 0x0001 /* ADCR_ENA */
+#define WM8903_ADCR_ENA_SHIFT 0 /* ADCR_ENA */
+#define WM8903_ADCR_ENA_WIDTH 1 /* ADCR_ENA */
+
+/*
+ * R20 (0x14) - Clock Rates 0
+ */
+#define WM8903_MCLKDIV2 0x0001 /* MCLKDIV2 */
+#define WM8903_MCLKDIV2_MASK 0x0001 /* MCLKDIV2 */
+#define WM8903_MCLKDIV2_SHIFT 0 /* MCLKDIV2 */
+#define WM8903_MCLKDIV2_WIDTH 1 /* MCLKDIV2 */
+
+/*
+ * R21 (0x15) - Clock Rates 1
+ */
+#define WM8903_CLK_SYS_RATE_MASK 0x3C00 /* CLK_SYS_RATE - [13:10] */
+#define WM8903_CLK_SYS_RATE_SHIFT 10 /* CLK_SYS_RATE - [13:10] */
+#define WM8903_CLK_SYS_RATE_WIDTH 4 /* CLK_SYS_RATE - [13:10] */
+#define WM8903_CLK_SYS_MODE_MASK 0x0300 /* CLK_SYS_MODE - [9:8] */
+#define WM8903_CLK_SYS_MODE_SHIFT 8 /* CLK_SYS_MODE - [9:8] */
+#define WM8903_CLK_SYS_MODE_WIDTH 2 /* CLK_SYS_MODE - [9:8] */
+#define WM8903_SAMPLE_RATE_MASK 0x000F /* SAMPLE_RATE - [3:0] */
+#define WM8903_SAMPLE_RATE_SHIFT 0 /* SAMPLE_RATE - [3:0] */
+#define WM8903_SAMPLE_RATE_WIDTH 4 /* SAMPLE_RATE - [3:0] */
+
+/*
+ * R22 (0x16) - Clock Rates 2
+ */
+#define WM8903_CLK_SYS_ENA 0x0004 /* CLK_SYS_ENA */
+#define WM8903_CLK_SYS_ENA_MASK 0x0004 /* CLK_SYS_ENA */
+#define WM8903_CLK_SYS_ENA_SHIFT 2 /* CLK_SYS_ENA */
+#define WM8903_CLK_SYS_ENA_WIDTH 1 /* CLK_SYS_ENA */
+#define WM8903_CLK_DSP_ENA 0x0002 /* CLK_DSP_ENA */
+#define WM8903_CLK_DSP_ENA_MASK 0x0002 /* CLK_DSP_ENA */
+#define WM8903_CLK_DSP_ENA_SHIFT 1 /* CLK_DSP_ENA */
+#define WM8903_CLK_DSP_ENA_WIDTH 1 /* CLK_DSP_ENA */
+#define WM8903_TO_ENA 0x0001 /* TO_ENA */
+#define WM8903_TO_ENA_MASK 0x0001 /* TO_ENA */
+#define WM8903_TO_ENA_SHIFT 0 /* TO_ENA */
+#define WM8903_TO_ENA_WIDTH 1 /* TO_ENA */
+
+/*
+ * R24 (0x18) - Audio Interface 0
+ */
+#define WM8903_DACL_DATINV 0x1000 /* DACL_DATINV */
+#define WM8903_DACL_DATINV_MASK 0x1000 /* DACL_DATINV */
+#define WM8903_DACL_DATINV_SHIFT 12 /* DACL_DATINV */
+#define WM8903_DACL_DATINV_WIDTH 1 /* DACL_DATINV */
+#define WM8903_DACR_DATINV 0x0800 /* DACR_DATINV */
+#define WM8903_DACR_DATINV_MASK 0x0800 /* DACR_DATINV */
+#define WM8903_DACR_DATINV_SHIFT 11 /* DACR_DATINV */
+#define WM8903_DACR_DATINV_WIDTH 1 /* DACR_DATINV */
+#define WM8903_DAC_BOOST_MASK 0x0600 /* DAC_BOOST - [10:9] */
+#define WM8903_DAC_BOOST_SHIFT 9 /* DAC_BOOST - [10:9] */
+#define WM8903_DAC_BOOST_WIDTH 2 /* DAC_BOOST - [10:9] */
+#define WM8903_LOOPBACK 0x0100 /* LOOPBACK */
+#define WM8903_LOOPBACK_MASK 0x0100 /* LOOPBACK */
+#define WM8903_LOOPBACK_SHIFT 8 /* LOOPBACK */
+#define WM8903_LOOPBACK_WIDTH 1 /* LOOPBACK */
+#define WM8903_AIFADCL_SRC 0x0080 /* AIFADCL_SRC */
+#define WM8903_AIFADCL_SRC_MASK 0x0080 /* AIFADCL_SRC */
+#define WM8903_AIFADCL_SRC_SHIFT 7 /* AIFADCL_SRC */
+#define WM8903_AIFADCL_SRC_WIDTH 1 /* AIFADCL_SRC */
+#define WM8903_AIFADCR_SRC 0x0040 /* AIFADCR_SRC */
+#define WM8903_AIFADCR_SRC_MASK 0x0040 /* AIFADCR_SRC */
+#define WM8903_AIFADCR_SRC_SHIFT 6 /* AIFADCR_SRC */
+#define WM8903_AIFADCR_SRC_WIDTH 1 /* AIFADCR_SRC */
+#define WM8903_AIFDACL_SRC 0x0020 /* AIFDACL_SRC */
+#define WM8903_AIFDACL_SRC_MASK 0x0020 /* AIFDACL_SRC */
+#define WM8903_AIFDACL_SRC_SHIFT 5 /* AIFDACL_SRC */
+#define WM8903_AIFDACL_SRC_WIDTH 1 /* AIFDACL_SRC */
+#define WM8903_AIFDACR_SRC 0x0010 /* AIFDACR_SRC */
+#define WM8903_AIFDACR_SRC_MASK 0x0010 /* AIFDACR_SRC */
+#define WM8903_AIFDACR_SRC_SHIFT 4 /* AIFDACR_SRC */
+#define WM8903_AIFDACR_SRC_WIDTH 1 /* AIFDACR_SRC */
+#define WM8903_ADC_COMP 0x0008 /* ADC_COMP */
+#define WM8903_ADC_COMP_MASK 0x0008 /* ADC_COMP */
+#define WM8903_ADC_COMP_SHIFT 3 /* ADC_COMP */
+#define WM8903_ADC_COMP_WIDTH 1 /* ADC_COMP */
+#define WM8903_ADC_COMPMODE 0x0004 /* ADC_COMPMODE */
+#define WM8903_ADC_COMPMODE_MASK 0x0004 /* ADC_COMPMODE */
+#define WM8903_ADC_COMPMODE_SHIFT 2 /* ADC_COMPMODE */
+#define WM8903_ADC_COMPMODE_WIDTH 1 /* ADC_COMPMODE */
+#define WM8903_DAC_COMP 0x0002 /* DAC_COMP */
+#define WM8903_DAC_COMP_MASK 0x0002 /* DAC_COMP */
+#define WM8903_DAC_COMP_SHIFT 1 /* DAC_COMP */
+#define WM8903_DAC_COMP_WIDTH 1 /* DAC_COMP */
+#define WM8903_DAC_COMPMODE 0x0001 /* DAC_COMPMODE */
+#define WM8903_DAC_COMPMODE_MASK 0x0001 /* DAC_COMPMODE */
+#define WM8903_DAC_COMPMODE_SHIFT 0 /* DAC_COMPMODE */
+#define WM8903_DAC_COMPMODE_WIDTH 1 /* DAC_COMPMODE */
+
+/*
+ * R25 (0x19) - Audio Interface 1
+ */
+#define WM8903_AIFDAC_TDM 0x2000 /* AIFDAC_TDM */
+#define WM8903_AIFDAC_TDM_MASK 0x2000 /* AIFDAC_TDM */
+#define WM8903_AIFDAC_TDM_SHIFT 13 /* AIFDAC_TDM */
+#define WM8903_AIFDAC_TDM_WIDTH 1 /* AIFDAC_TDM */
+#define WM8903_AIFDAC_TDM_CHAN 0x1000 /* AIFDAC_TDM_CHAN */
+#define WM8903_AIFDAC_TDM_CHAN_MASK 0x1000 /* AIFDAC_TDM_CHAN */
+#define WM8903_AIFDAC_TDM_CHAN_SHIFT 12 /* AIFDAC_TDM_CHAN */
+#define WM8903_AIFDAC_TDM_CHAN_WIDTH 1 /* AIFDAC_TDM_CHAN */
+#define WM8903_AIFADC_TDM 0x0800 /* AIFADC_TDM */
+#define WM8903_AIFADC_TDM_MASK 0x0800 /* AIFADC_TDM */
+#define WM8903_AIFADC_TDM_SHIFT 11 /* AIFADC_TDM */
+#define WM8903_AIFADC_TDM_WIDTH 1 /* AIFADC_TDM */
+#define WM8903_AIFADC_TDM_CHAN 0x0400 /* AIFADC_TDM_CHAN */
+#define WM8903_AIFADC_TDM_CHAN_MASK 0x0400 /* AIFADC_TDM_CHAN */
+#define WM8903_AIFADC_TDM_CHAN_SHIFT 10 /* AIFADC_TDM_CHAN */
+#define WM8903_AIFADC_TDM_CHAN_WIDTH 1 /* AIFADC_TDM_CHAN */
+#define WM8903_LRCLK_DIR 0x0200 /* LRCLK_DIR */
+#define WM8903_LRCLK_DIR_MASK 0x0200 /* LRCLK_DIR */
+#define WM8903_LRCLK_DIR_SHIFT 9 /* LRCLK_DIR */
+#define WM8903_LRCLK_DIR_WIDTH 1 /* LRCLK_DIR */
+#define WM8903_AIF_BCLK_INV 0x0080 /* AIF_BCLK_INV */
+#define WM8903_AIF_BCLK_INV_MASK 0x0080 /* AIF_BCLK_INV */
+#define WM8903_AIF_BCLK_INV_SHIFT 7 /* AIF_BCLK_INV */
+#define WM8903_AIF_BCLK_INV_WIDTH 1 /* AIF_BCLK_INV */
+#define WM8903_BCLK_DIR 0x0040 /* BCLK_DIR */
+#define WM8903_BCLK_DIR_MASK 0x0040 /* BCLK_DIR */
+#define WM8903_BCLK_DIR_SHIFT 6 /* BCLK_DIR */
+#define WM8903_BCLK_DIR_WIDTH 1 /* BCLK_DIR */
+#define WM8903_AIF_LRCLK_INV 0x0010 /* AIF_LRCLK_INV */
+#define WM8903_AIF_LRCLK_INV_MASK 0x0010 /* AIF_LRCLK_INV */
+#define WM8903_AIF_LRCLK_INV_SHIFT 4 /* AIF_LRCLK_INV */
+#define WM8903_AIF_LRCLK_INV_WIDTH 1 /* AIF_LRCLK_INV */
+#define WM8903_AIF_WL_MASK 0x000C /* AIF_WL - [3:2] */
+#define WM8903_AIF_WL_SHIFT 2 /* AIF_WL - [3:2] */
+#define WM8903_AIF_WL_WIDTH 2 /* AIF_WL - [3:2] */
+#define WM8903_AIF_FMT_MASK 0x0003 /* AIF_FMT - [1:0] */
+#define WM8903_AIF_FMT_SHIFT 0 /* AIF_FMT - [1:0] */
+#define WM8903_AIF_FMT_WIDTH 2 /* AIF_FMT - [1:0] */
+
+/*
+ * R26 (0x1A) - Audio Interface 2
+ */
+#define WM8903_BCLK_DIV_MASK 0x001F /* BCLK_DIV - [4:0] */
+#define WM8903_BCLK_DIV_SHIFT 0 /* BCLK_DIV - [4:0] */
+#define WM8903_BCLK_DIV_WIDTH 5 /* BCLK_DIV - [4:0] */
+
+/*
+ * R27 (0x1B) - Audio Interface 3
+ */
+#define WM8903_LRCLK_RATE_MASK 0x07FF /* LRCLK_RATE - [10:0] */
+#define WM8903_LRCLK_RATE_SHIFT 0 /* LRCLK_RATE - [10:0] */
+#define WM8903_LRCLK_RATE_WIDTH 11 /* LRCLK_RATE - [10:0] */
+
+/*
+ * R30 (0x1E) - DAC Digital Volume Left
+ */
+#define WM8903_DACVU 0x0100 /* DACVU */
+#define WM8903_DACVU_MASK 0x0100 /* DACVU */
+#define WM8903_DACVU_SHIFT 8 /* DACVU */
+#define WM8903_DACVU_WIDTH 1 /* DACVU */
+#define WM8903_DACL_VOL_MASK 0x00FF /* DACL_VOL - [7:0] */
+#define WM8903_DACL_VOL_SHIFT 0 /* DACL_VOL - [7:0] */
+#define WM8903_DACL_VOL_WIDTH 8 /* DACL_VOL - [7:0] */
+
+/*
+ * R31 (0x1F) - DAC Digital Volume Right
+ */
+#define WM8903_DACVU 0x0100 /* DACVU */
+#define WM8903_DACVU_MASK 0x0100 /* DACVU */
+#define WM8903_DACVU_SHIFT 8 /* DACVU */
+#define WM8903_DACVU_WIDTH 1 /* DACVU */
+#define WM8903_DACR_VOL_MASK 0x00FF /* DACR_VOL - [7:0] */
+#define WM8903_DACR_VOL_SHIFT 0 /* DACR_VOL - [7:0] */
+#define WM8903_DACR_VOL_WIDTH 8 /* DACR_VOL - [7:0] */
+
+/*
+ * R32 (0x20) - DAC Digital 0
+ */
+#define WM8903_ADCL_DAC_SVOL_MASK 0x0F00 /* ADCL_DAC_SVOL - [11:8] */
+#define WM8903_ADCL_DAC_SVOL_SHIFT 8 /* ADCL_DAC_SVOL - [11:8] */
+#define WM8903_ADCL_DAC_SVOL_WIDTH 4 /* ADCL_DAC_SVOL - [11:8] */
+#define WM8903_ADCR_DAC_SVOL_MASK 0x00F0 /* ADCR_DAC_SVOL - [7:4] */
+#define WM8903_ADCR_DAC_SVOL_SHIFT 4 /* ADCR_DAC_SVOL - [7:4] */
+#define WM8903_ADCR_DAC_SVOL_WIDTH 4 /* ADCR_DAC_SVOL - [7:4] */
+#define WM8903_ADC_TO_DACL_MASK 0x000C /* ADC_TO_DACL - [3:2] */
+#define WM8903_ADC_TO_DACL_SHIFT 2 /* ADC_TO_DACL - [3:2] */
+#define WM8903_ADC_TO_DACL_WIDTH 2 /* ADC_TO_DACL - [3:2] */
+#define WM8903_ADC_TO_DACR_MASK 0x0003 /* ADC_TO_DACR - [1:0] */
+#define WM8903_ADC_TO_DACR_SHIFT 0 /* ADC_TO_DACR - [1:0] */
+#define WM8903_ADC_TO_DACR_WIDTH 2 /* ADC_TO_DACR - [1:0] */
+
+/*
+ * R33 (0x21) - DAC Digital 1
+ */
+#define WM8903_DAC_MONO 0x1000 /* DAC_MONO */
+#define WM8903_DAC_MONO_MASK 0x1000 /* DAC_MONO */
+#define WM8903_DAC_MONO_SHIFT 12 /* DAC_MONO */
+#define WM8903_DAC_MONO_WIDTH 1 /* DAC_MONO */
+#define WM8903_DAC_SB_FILT 0x0800 /* DAC_SB_FILT */
+#define WM8903_DAC_SB_FILT_MASK 0x0800 /* DAC_SB_FILT */
+#define WM8903_DAC_SB_FILT_SHIFT 11 /* DAC_SB_FILT */
+#define WM8903_DAC_SB_FILT_WIDTH 1 /* DAC_SB_FILT */
+#define WM8903_DAC_MUTERATE 0x0400 /* DAC_MUTERATE */
+#define WM8903_DAC_MUTERATE_MASK 0x0400 /* DAC_MUTERATE */
+#define WM8903_DAC_MUTERATE_SHIFT 10 /* DAC_MUTERATE */
+#define WM8903_DAC_MUTERATE_WIDTH 1 /* DAC_MUTERATE */
+#define WM8903_DAC_MUTEMODE 0x0200 /* DAC_MUTEMODE */
+#define WM8903_DAC_MUTEMODE_MASK 0x0200 /* DAC_MUTEMODE */
+#define WM8903_DAC_MUTEMODE_SHIFT 9 /* DAC_MUTEMODE */
+#define WM8903_DAC_MUTEMODE_WIDTH 1 /* DAC_MUTEMODE */
+#define WM8903_DAC_MUTE 0x0008 /* DAC_MUTE */
+#define WM8903_DAC_MUTE_MASK 0x0008 /* DAC_MUTE */
+#define WM8903_DAC_MUTE_SHIFT 3 /* DAC_MUTE */
+#define WM8903_DAC_MUTE_WIDTH 1 /* DAC_MUTE */
+#define WM8903_DEEMPH_MASK 0x0006 /* DEEMPH - [2:1] */
+#define WM8903_DEEMPH_SHIFT 1 /* DEEMPH - [2:1] */
+#define WM8903_DEEMPH_WIDTH 2 /* DEEMPH - [2:1] */
+
+/*
+ * R36 (0x24) - ADC Digital Volume Left
+ */
+#define WM8903_ADCVU 0x0100 /* ADCVU */
+#define WM8903_ADCVU_MASK 0x0100 /* ADCVU */
+#define WM8903_ADCVU_SHIFT 8 /* ADCVU */
+#define WM8903_ADCVU_WIDTH 1 /* ADCVU */
+#define WM8903_ADCL_VOL_MASK 0x00FF /* ADCL_VOL - [7:0] */
+#define WM8903_ADCL_VOL_SHIFT 0 /* ADCL_VOL - [7:0] */
+#define WM8903_ADCL_VOL_WIDTH 8 /* ADCL_VOL - [7:0] */
+
+/*
+ * R37 (0x25) - ADC Digital Volume Right
+ */
+#define WM8903_ADCVU 0x0100 /* ADCVU */
+#define WM8903_ADCVU_MASK 0x0100 /* ADCVU */
+#define WM8903_ADCVU_SHIFT 8 /* ADCVU */
+#define WM8903_ADCVU_WIDTH 1 /* ADCVU */
+#define WM8903_ADCR_VOL_MASK 0x00FF /* ADCR_VOL - [7:0] */
+#define WM8903_ADCR_VOL_SHIFT 0 /* ADCR_VOL - [7:0] */
+#define WM8903_ADCR_VOL_WIDTH 8 /* ADCR_VOL - [7:0] */
+
+/*
+ * R38 (0x26) - ADC Digital 0
+ */
+#define WM8903_ADC_HPF_CUT_MASK 0x0060 /* ADC_HPF_CUT - [6:5] */
+#define WM8903_ADC_HPF_CUT_SHIFT 5 /* ADC_HPF_CUT - [6:5] */
+#define WM8903_ADC_HPF_CUT_WIDTH 2 /* ADC_HPF_CUT - [6:5] */
+#define WM8903_ADC_HPF_ENA 0x0010 /* ADC_HPF_ENA */
+#define WM8903_ADC_HPF_ENA_MASK 0x0010 /* ADC_HPF_ENA */
+#define WM8903_ADC_HPF_ENA_SHIFT 4 /* ADC_HPF_ENA */
+#define WM8903_ADC_HPF_ENA_WIDTH 1 /* ADC_HPF_ENA */
+#define WM8903_ADCL_DATINV 0x0002 /* ADCL_DATINV */
+#define WM8903_ADCL_DATINV_MASK 0x0002 /* ADCL_DATINV */
+#define WM8903_ADCL_DATINV_SHIFT 1 /* ADCL_DATINV */
+#define WM8903_ADCL_DATINV_WIDTH 1 /* ADCL_DATINV */
+#define WM8903_ADCR_DATINV 0x0001 /* ADCR_DATINV */
+#define WM8903_ADCR_DATINV_MASK 0x0001 /* ADCR_DATINV */
+#define WM8903_ADCR_DATINV_SHIFT 0 /* ADCR_DATINV */
+#define WM8903_ADCR_DATINV_WIDTH 1 /* ADCR_DATINV */
+
+/*
+ * R39 (0x27) - Digital Microphone 0
+ */
+#define WM8903_DIGMIC_MODE_SEL 0x0100 /* DIGMIC_MODE_SEL */
+#define WM8903_DIGMIC_MODE_SEL_MASK 0x0100 /* DIGMIC_MODE_SEL */
+#define WM8903_DIGMIC_MODE_SEL_SHIFT 8 /* DIGMIC_MODE_SEL */
+#define WM8903_DIGMIC_MODE_SEL_WIDTH 1 /* DIGMIC_MODE_SEL */
+#define WM8903_DIGMIC_CLK_SEL_L_MASK 0x00C0 /* DIGMIC_CLK_SEL_L - [7:6] */
+#define WM8903_DIGMIC_CLK_SEL_L_SHIFT 6 /* DIGMIC_CLK_SEL_L - [7:6] */
+#define WM8903_DIGMIC_CLK_SEL_L_WIDTH 2 /* DIGMIC_CLK_SEL_L - [7:6] */
+#define WM8903_DIGMIC_CLK_SEL_R_MASK 0x0030 /* DIGMIC_CLK_SEL_R - [5:4] */
+#define WM8903_DIGMIC_CLK_SEL_R_SHIFT 4 /* DIGMIC_CLK_SEL_R - [5:4] */
+#define WM8903_DIGMIC_CLK_SEL_R_WIDTH 2 /* DIGMIC_CLK_SEL_R - [5:4] */
+#define WM8903_DIGMIC_CLK_SEL_RT_MASK 0x000C /* DIGMIC_CLK_SEL_RT - [3:2] */
+#define WM8903_DIGMIC_CLK_SEL_RT_SHIFT 2 /* DIGMIC_CLK_SEL_RT - [3:2] */
+#define WM8903_DIGMIC_CLK_SEL_RT_WIDTH 2 /* DIGMIC_CLK_SEL_RT - [3:2] */
+#define WM8903_DIGMIC_CLK_SEL_MASK 0x0003 /* DIGMIC_CLK_SEL - [1:0] */
+#define WM8903_DIGMIC_CLK_SEL_SHIFT 0 /* DIGMIC_CLK_SEL - [1:0] */
+#define WM8903_DIGMIC_CLK_SEL_WIDTH 2 /* DIGMIC_CLK_SEL - [1:0] */
+
+/*
+ * R40 (0x28) - DRC 0
+ */
+#define WM8903_DRC_ENA 0x8000 /* DRC_ENA */
+#define WM8903_DRC_ENA_MASK 0x8000 /* DRC_ENA */
+#define WM8903_DRC_ENA_SHIFT 15 /* DRC_ENA */
+#define WM8903_DRC_ENA_WIDTH 1 /* DRC_ENA */
+#define WM8903_DRC_THRESH_HYST_MASK 0x1800 /* DRC_THRESH_HYST - [12:11] */
+#define WM8903_DRC_THRESH_HYST_SHIFT 11 /* DRC_THRESH_HYST - [12:11] */
+#define WM8903_DRC_THRESH_HYST_WIDTH 2 /* DRC_THRESH_HYST - [12:11] */
+#define WM8903_DRC_STARTUP_GAIN_MASK 0x07C0 /* DRC_STARTUP_GAIN - [10:6] */
+#define WM8903_DRC_STARTUP_GAIN_SHIFT 6 /* DRC_STARTUP_GAIN - [10:6] */
+#define WM8903_DRC_STARTUP_GAIN_WIDTH 5 /* DRC_STARTUP_GAIN - [10:6] */
+#define WM8903_DRC_FF_DELAY 0x0020 /* DRC_FF_DELAY */
+#define WM8903_DRC_FF_DELAY_MASK 0x0020 /* DRC_FF_DELAY */
+#define WM8903_DRC_FF_DELAY_SHIFT 5 /* DRC_FF_DELAY */
+#define WM8903_DRC_FF_DELAY_WIDTH 1 /* DRC_FF_DELAY */
+#define WM8903_DRC_SMOOTH_ENA 0x0008 /* DRC_SMOOTH_ENA */
+#define WM8903_DRC_SMOOTH_ENA_MASK 0x0008 /* DRC_SMOOTH_ENA */
+#define WM8903_DRC_SMOOTH_ENA_SHIFT 3 /* DRC_SMOOTH_ENA */
+#define WM8903_DRC_SMOOTH_ENA_WIDTH 1 /* DRC_SMOOTH_ENA */
+#define WM8903_DRC_QR_ENA 0x0004 /* DRC_QR_ENA */
+#define WM8903_DRC_QR_ENA_MASK 0x0004 /* DRC_QR_ENA */
+#define WM8903_DRC_QR_ENA_SHIFT 2 /* DRC_QR_ENA */
+#define WM8903_DRC_QR_ENA_WIDTH 1 /* DRC_QR_ENA */
+#define WM8903_DRC_ANTICLIP_ENA 0x0002 /* DRC_ANTICLIP_ENA */
+#define WM8903_DRC_ANTICLIP_ENA_MASK 0x0002 /* DRC_ANTICLIP_ENA */
+#define WM8903_DRC_ANTICLIP_ENA_SHIFT 1 /* DRC_ANTICLIP_ENA */
+#define WM8903_DRC_ANTICLIP_ENA_WIDTH 1 /* DRC_ANTICLIP_ENA */
+#define WM8903_DRC_HYST_ENA 0x0001 /* DRC_HYST_ENA */
+#define WM8903_DRC_HYST_ENA_MASK 0x0001 /* DRC_HYST_ENA */
+#define WM8903_DRC_HYST_ENA_SHIFT 0 /* DRC_HYST_ENA */
+#define WM8903_DRC_HYST_ENA_WIDTH 1 /* DRC_HYST_ENA */
+
+/*
+ * R41 (0x29) - DRC 1
+ */
+#define WM8903_DRC_ATTACK_RATE_MASK 0xF000 /* DRC_ATTACK_RATE - [15:12] */
+#define WM8903_DRC_ATTACK_RATE_SHIFT 12 /* DRC_ATTACK_RATE - [15:12] */
+#define WM8903_DRC_ATTACK_RATE_WIDTH 4 /* DRC_ATTACK_RATE - [15:12] */
+#define WM8903_DRC_DECAY_RATE_MASK 0x0F00 /* DRC_DECAY_RATE - [11:8] */
+#define WM8903_DRC_DECAY_RATE_SHIFT 8 /* DRC_DECAY_RATE - [11:8] */
+#define WM8903_DRC_DECAY_RATE_WIDTH 4 /* DRC_DECAY_RATE - [11:8] */
+#define WM8903_DRC_THRESH_QR_MASK 0x00C0 /* DRC_THRESH_QR - [7:6] */
+#define WM8903_DRC_THRESH_QR_SHIFT 6 /* DRC_THRESH_QR - [7:6] */
+#define WM8903_DRC_THRESH_QR_WIDTH 2 /* DRC_THRESH_QR - [7:6] */
+#define WM8903_DRC_RATE_QR_MASK 0x0030 /* DRC_RATE_QR - [5:4] */
+#define WM8903_DRC_RATE_QR_SHIFT 4 /* DRC_RATE_QR - [5:4] */
+#define WM8903_DRC_RATE_QR_WIDTH 2 /* DRC_RATE_QR - [5:4] */
+#define WM8903_DRC_MINGAIN_MASK 0x000C /* DRC_MINGAIN - [3:2] */
+#define WM8903_DRC_MINGAIN_SHIFT 2 /* DRC_MINGAIN - [3:2] */
+#define WM8903_DRC_MINGAIN_WIDTH 2 /* DRC_MINGAIN - [3:2] */
+#define WM8903_DRC_MAXGAIN_MASK 0x0003 /* DRC_MAXGAIN - [1:0] */
+#define WM8903_DRC_MAXGAIN_SHIFT 0 /* DRC_MAXGAIN - [1:0] */
+#define WM8903_DRC_MAXGAIN_WIDTH 2 /* DRC_MAXGAIN - [1:0] */
+
+/*
+ * R42 (0x2A) - DRC 2
+ */
+#define WM8903_DRC_R0_SLOPE_COMP_MASK 0x0038 /* DRC_R0_SLOPE_COMP - [5:3] */
+#define WM8903_DRC_R0_SLOPE_COMP_SHIFT 3 /* DRC_R0_SLOPE_COMP - [5:3] */
+#define WM8903_DRC_R0_SLOPE_COMP_WIDTH 3 /* DRC_R0_SLOPE_COMP - [5:3] */
+#define WM8903_DRC_R1_SLOPE_COMP_MASK 0x0007 /* DRC_R1_SLOPE_COMP - [2:0] */
+#define WM8903_DRC_R1_SLOPE_COMP_SHIFT 0 /* DRC_R1_SLOPE_COMP - [2:0] */
+#define WM8903_DRC_R1_SLOPE_COMP_WIDTH 3 /* DRC_R1_SLOPE_COMP - [2:0] */
+
+/*
+ * R43 (0x2B) - DRC 3
+ */
+#define WM8903_DRC_THRESH_COMP_MASK 0x07E0 /* DRC_THRESH_COMP - [10:5] */
+#define WM8903_DRC_THRESH_COMP_SHIFT 5 /* DRC_THRESH_COMP - [10:5] */
+#define WM8903_DRC_THRESH_COMP_WIDTH 6 /* DRC_THRESH_COMP - [10:5] */
+#define WM8903_DRC_AMP_COMP_MASK 0x001F /* DRC_AMP_COMP - [4:0] */
+#define WM8903_DRC_AMP_COMP_SHIFT 0 /* DRC_AMP_COMP - [4:0] */
+#define WM8903_DRC_AMP_COMP_WIDTH 5 /* DRC_AMP_COMP - [4:0] */
+
+/*
+ * R44 (0x2C) - Analogue Left Input 0
+ */
+#define WM8903_LINMUTE 0x0080 /* LINMUTE */
+#define WM8903_LINMUTE_MASK 0x0080 /* LINMUTE */
+#define WM8903_LINMUTE_SHIFT 7 /* LINMUTE */
+#define WM8903_LINMUTE_WIDTH 1 /* LINMUTE */
+#define WM8903_LIN_VOL_MASK 0x001F /* LIN_VOL - [4:0] */
+#define WM8903_LIN_VOL_SHIFT 0 /* LIN_VOL - [4:0] */
+#define WM8903_LIN_VOL_WIDTH 5 /* LIN_VOL - [4:0] */
+
+/*
+ * R45 (0x2D) - Analogue Right Input 0
+ */
+#define WM8903_RINMUTE 0x0080 /* RINMUTE */
+#define WM8903_RINMUTE_MASK 0x0080 /* RINMUTE */
+#define WM8903_RINMUTE_SHIFT 7 /* RINMUTE */
+#define WM8903_RINMUTE_WIDTH 1 /* RINMUTE */
+#define WM8903_RIN_VOL_MASK 0x001F /* RIN_VOL - [4:0] */
+#define WM8903_RIN_VOL_SHIFT 0 /* RIN_VOL - [4:0] */
+#define WM8903_RIN_VOL_WIDTH 5 /* RIN_VOL - [4:0] */
+
+/*
+ * R46 (0x2E) - Analogue Left Input 1
+ */
+#define WM8903_INL_CM_ENA 0x0040 /* INL_CM_ENA */
+#define WM8903_INL_CM_ENA_MASK 0x0040 /* INL_CM_ENA */
+#define WM8903_INL_CM_ENA_SHIFT 6 /* INL_CM_ENA */
+#define WM8903_INL_CM_ENA_WIDTH 1 /* INL_CM_ENA */
+#define WM8903_L_IP_SEL_N_MASK 0x0030 /* L_IP_SEL_N - [5:4] */
+#define WM8903_L_IP_SEL_N_SHIFT 4 /* L_IP_SEL_N - [5:4] */
+#define WM8903_L_IP_SEL_N_WIDTH 2 /* L_IP_SEL_N - [5:4] */
+#define WM8903_L_IP_SEL_P_MASK 0x000C /* L_IP_SEL_P - [3:2] */
+#define WM8903_L_IP_SEL_P_SHIFT 2 /* L_IP_SEL_P - [3:2] */
+#define WM8903_L_IP_SEL_P_WIDTH 2 /* L_IP_SEL_P - [3:2] */
+#define WM8903_L_MODE_MASK 0x0003 /* L_MODE - [1:0] */
+#define WM8903_L_MODE_SHIFT 0 /* L_MODE - [1:0] */
+#define WM8903_L_MODE_WIDTH 2 /* L_MODE - [1:0] */
+
+/*
+ * R47 (0x2F) - Analogue Right Input 1
+ */
+#define WM8903_INR_CM_ENA 0x0040 /* INR_CM_ENA */
+#define WM8903_INR_CM_ENA_MASK 0x0040 /* INR_CM_ENA */
+#define WM8903_INR_CM_ENA_SHIFT 6 /* INR_CM_ENA */
+#define WM8903_INR_CM_ENA_WIDTH 1 /* INR_CM_ENA */
+#define WM8903_R_IP_SEL_N_MASK 0x0030 /* R_IP_SEL_N - [5:4] */
+#define WM8903_R_IP_SEL_N_SHIFT 4 /* R_IP_SEL_N - [5:4] */
+#define WM8903_R_IP_SEL_N_WIDTH 2 /* R_IP_SEL_N - [5:4] */
+#define WM8903_R_IP_SEL_P_MASK 0x000C /* R_IP_SEL_P - [3:2] */
+#define WM8903_R_IP_SEL_P_SHIFT 2 /* R_IP_SEL_P - [3:2] */
+#define WM8903_R_IP_SEL_P_WIDTH 2 /* R_IP_SEL_P - [3:2] */
+#define WM8903_R_MODE_MASK 0x0003 /* R_MODE - [1:0] */
+#define WM8903_R_MODE_SHIFT 0 /* R_MODE - [1:0] */
+#define WM8903_R_MODE_WIDTH 2 /* R_MODE - [1:0] */
+
+/*
+ * R50 (0x32) - Analogue Left Mix 0
+ */
+#define WM8903_DACL_TO_MIXOUTL 0x0008 /* DACL_TO_MIXOUTL */
+#define WM8903_DACL_TO_MIXOUTL_MASK 0x0008 /* DACL_TO_MIXOUTL */
+#define WM8903_DACL_TO_MIXOUTL_SHIFT 3 /* DACL_TO_MIXOUTL */
+#define WM8903_DACL_TO_MIXOUTL_WIDTH 1 /* DACL_TO_MIXOUTL */
+#define WM8903_DACR_TO_MIXOUTL 0x0004 /* DACR_TO_MIXOUTL */
+#define WM8903_DACR_TO_MIXOUTL_MASK 0x0004 /* DACR_TO_MIXOUTL */
+#define WM8903_DACR_TO_MIXOUTL_SHIFT 2 /* DACR_TO_MIXOUTL */
+#define WM8903_DACR_TO_MIXOUTL_WIDTH 1 /* DACR_TO_MIXOUTL */
+#define WM8903_BYPASSL_TO_MIXOUTL 0x0002 /* BYPASSL_TO_MIXOUTL */
+#define WM8903_BYPASSL_TO_MIXOUTL_MASK 0x0002 /* BYPASSL_TO_MIXOUTL */
+#define WM8903_BYPASSL_TO_MIXOUTL_SHIFT 1 /* BYPASSL_TO_MIXOUTL */
+#define WM8903_BYPASSL_TO_MIXOUTL_WIDTH 1 /* BYPASSL_TO_MIXOUTL */
+#define WM8903_BYPASSR_TO_MIXOUTL 0x0001 /* BYPASSR_TO_MIXOUTL */
+#define WM8903_BYPASSR_TO_MIXOUTL_MASK 0x0001 /* BYPASSR_TO_MIXOUTL */
+#define WM8903_BYPASSR_TO_MIXOUTL_SHIFT 0 /* BYPASSR_TO_MIXOUTL */
+#define WM8903_BYPASSR_TO_MIXOUTL_WIDTH 1 /* BYPASSR_TO_MIXOUTL */
+
+/*
+ * R51 (0x33) - Analogue Right Mix 0
+ */
+#define WM8903_DACL_TO_MIXOUTR 0x0008 /* DACL_TO_MIXOUTR */
+#define WM8903_DACL_TO_MIXOUTR_MASK 0x0008 /* DACL_TO_MIXOUTR */
+#define WM8903_DACL_TO_MIXOUTR_SHIFT 3 /* DACL_TO_MIXOUTR */
+#define WM8903_DACL_TO_MIXOUTR_WIDTH 1 /* DACL_TO_MIXOUTR */
+#define WM8903_DACR_TO_MIXOUTR 0x0004 /* DACR_TO_MIXOUTR */
+#define WM8903_DACR_TO_MIXOUTR_MASK 0x0004 /* DACR_TO_MIXOUTR */
+#define WM8903_DACR_TO_MIXOUTR_SHIFT 2 /* DACR_TO_MIXOUTR */
+#define WM8903_DACR_TO_MIXOUTR_WIDTH 1 /* DACR_TO_MIXOUTR */
+#define WM8903_BYPASSL_TO_MIXOUTR 0x0002 /* BYPASSL_TO_MIXOUTR */
+#define WM8903_BYPASSL_TO_MIXOUTR_MASK 0x0002 /* BYPASSL_TO_MIXOUTR */
+#define WM8903_BYPASSL_TO_MIXOUTR_SHIFT 1 /* BYPASSL_TO_MIXOUTR */
+#define WM8903_BYPASSL_TO_MIXOUTR_WIDTH 1 /* BYPASSL_TO_MIXOUTR */
+#define WM8903_BYPASSR_TO_MIXOUTR 0x0001 /* BYPASSR_TO_MIXOUTR */
+#define WM8903_BYPASSR_TO_MIXOUTR_MASK 0x0001 /* BYPASSR_TO_MIXOUTR */
+#define WM8903_BYPASSR_TO_MIXOUTR_SHIFT 0 /* BYPASSR_TO_MIXOUTR */
+#define WM8903_BYPASSR_TO_MIXOUTR_WIDTH 1 /* BYPASSR_TO_MIXOUTR */
+
+/*
+ * R52 (0x34) - Analogue Spk Mix Left 0
+ */
+#define WM8903_DACL_TO_MIXSPKL 0x0008 /* DACL_TO_MIXSPKL */
+#define WM8903_DACL_TO_MIXSPKL_MASK 0x0008 /* DACL_TO_MIXSPKL */
+#define WM8903_DACL_TO_MIXSPKL_SHIFT 3 /* DACL_TO_MIXSPKL */
+#define WM8903_DACL_TO_MIXSPKL_WIDTH 1 /* DACL_TO_MIXSPKL */
+#define WM8903_DACR_TO_MIXSPKL 0x0004 /* DACR_TO_MIXSPKL */
+#define WM8903_DACR_TO_MIXSPKL_MASK 0x0004 /* DACR_TO_MIXSPKL */
+#define WM8903_DACR_TO_MIXSPKL_SHIFT 2 /* DACR_TO_MIXSPKL */
+#define WM8903_DACR_TO_MIXSPKL_WIDTH 1 /* DACR_TO_MIXSPKL */
+#define WM8903_BYPASSL_TO_MIXSPKL 0x0002 /* BYPASSL_TO_MIXSPKL */
+#define WM8903_BYPASSL_TO_MIXSPKL_MASK 0x0002 /* BYPASSL_TO_MIXSPKL */
+#define WM8903_BYPASSL_TO_MIXSPKL_SHIFT 1 /* BYPASSL_TO_MIXSPKL */
+#define WM8903_BYPASSL_TO_MIXSPKL_WIDTH 1 /* BYPASSL_TO_MIXSPKL */
+#define WM8903_BYPASSR_TO_MIXSPKL 0x0001 /* BYPASSR_TO_MIXSPKL */
+#define WM8903_BYPASSR_TO_MIXSPKL_MASK 0x0001 /* BYPASSR_TO_MIXSPKL */
+#define WM8903_BYPASSR_TO_MIXSPKL_SHIFT 0 /* BYPASSR_TO_MIXSPKL */
+#define WM8903_BYPASSR_TO_MIXSPKL_WIDTH 1 /* BYPASSR_TO_MIXSPKL */
+
+/*
+ * R53 (0x35) - Analogue Spk Mix Left 1
+ */
+#define WM8903_DACL_MIXSPKL_VOL 0x0008 /* DACL_MIXSPKL_VOL */
+#define WM8903_DACL_MIXSPKL_VOL_MASK 0x0008 /* DACL_MIXSPKL_VOL */
+#define WM8903_DACL_MIXSPKL_VOL_SHIFT 3 /* DACL_MIXSPKL_VOL */
+#define WM8903_DACL_MIXSPKL_VOL_WIDTH 1 /* DACL_MIXSPKL_VOL */
+#define WM8903_DACR_MIXSPKL_VOL 0x0004 /* DACR_MIXSPKL_VOL */
+#define WM8903_DACR_MIXSPKL_VOL_MASK 0x0004 /* DACR_MIXSPKL_VOL */
+#define WM8903_DACR_MIXSPKL_VOL_SHIFT 2 /* DACR_MIXSPKL_VOL */
+#define WM8903_DACR_MIXSPKL_VOL_WIDTH 1 /* DACR_MIXSPKL_VOL */
+#define WM8903_BYPASSL_MIXSPKL_VOL 0x0002 /* BYPASSL_MIXSPKL_VOL */
+#define WM8903_BYPASSL_MIXSPKL_VOL_MASK 0x0002 /* BYPASSL_MIXSPKL_VOL */
+#define WM8903_BYPASSL_MIXSPKL_VOL_SHIFT 1 /* BYPASSL_MIXSPKL_VOL */
+#define WM8903_BYPASSL_MIXSPKL_VOL_WIDTH 1 /* BYPASSL_MIXSPKL_VOL */
+#define WM8903_BYPASSR_MIXSPKL_VOL 0x0001 /* BYPASSR_MIXSPKL_VOL */
+#define WM8903_BYPASSR_MIXSPKL_VOL_MASK 0x0001 /* BYPASSR_MIXSPKL_VOL */
+#define WM8903_BYPASSR_MIXSPKL_VOL_SHIFT 0 /* BYPASSR_MIXSPKL_VOL */
+#define WM8903_BYPASSR_MIXSPKL_VOL_WIDTH 1 /* BYPASSR_MIXSPKL_VOL */
+
+/*
+ * R54 (0x36) - Analogue Spk Mix Right 0
+ */
+#define WM8903_DACL_TO_MIXSPKR 0x0008 /* DACL_TO_MIXSPKR */
+#define WM8903_DACL_TO_MIXSPKR_MASK 0x0008 /* DACL_TO_MIXSPKR */
+#define WM8903_DACL_TO_MIXSPKR_SHIFT 3 /* DACL_TO_MIXSPKR */
+#define WM8903_DACL_TO_MIXSPKR_WIDTH 1 /* DACL_TO_MIXSPKR */
+#define WM8903_DACR_TO_MIXSPKR 0x0004 /* DACR_TO_MIXSPKR */
+#define WM8903_DACR_TO_MIXSPKR_MASK 0x0004 /* DACR_TO_MIXSPKR */
+#define WM8903_DACR_TO_MIXSPKR_SHIFT 2 /* DACR_TO_MIXSPKR */
+#define WM8903_DACR_TO_MIXSPKR_WIDTH 1 /* DACR_TO_MIXSPKR */
+#define WM8903_BYPASSL_TO_MIXSPKR 0x0002 /* BYPASSL_TO_MIXSPKR */
+#define WM8903_BYPASSL_TO_MIXSPKR_MASK 0x0002 /* BYPASSL_TO_MIXSPKR */
+#define WM8903_BYPASSL_TO_MIXSPKR_SHIFT 1 /* BYPASSL_TO_MIXSPKR */
+#define WM8903_BYPASSL_TO_MIXSPKR_WIDTH 1 /* BYPASSL_TO_MIXSPKR */
+#define WM8903_BYPASSR_TO_MIXSPKR 0x0001 /* BYPASSR_TO_MIXSPKR */
+#define WM8903_BYPASSR_TO_MIXSPKR_MASK 0x0001 /* BYPASSR_TO_MIXSPKR */
+#define WM8903_BYPASSR_TO_MIXSPKR_SHIFT 0 /* BYPASSR_TO_MIXSPKR */
+#define WM8903_BYPASSR_TO_MIXSPKR_WIDTH 1 /* BYPASSR_TO_MIXSPKR */
+
+/*
+ * R55 (0x37) - Analogue Spk Mix Right 1
+ */
+#define WM8903_DACL_MIXSPKR_VOL 0x0008 /* DACL_MIXSPKR_VOL */
+#define WM8903_DACL_MIXSPKR_VOL_MASK 0x0008 /* DACL_MIXSPKR_VOL */
+#define WM8903_DACL_MIXSPKR_VOL_SHIFT 3 /* DACL_MIXSPKR_VOL */
+#define WM8903_DACL_MIXSPKR_VOL_WIDTH 1 /* DACL_MIXSPKR_VOL */
+#define WM8903_DACR_MIXSPKR_VOL 0x0004 /* DACR_MIXSPKR_VOL */
+#define WM8903_DACR_MIXSPKR_VOL_MASK 0x0004 /* DACR_MIXSPKR_VOL */
+#define WM8903_DACR_MIXSPKR_VOL_SHIFT 2 /* DACR_MIXSPKR_VOL */
+#define WM8903_DACR_MIXSPKR_VOL_WIDTH 1 /* DACR_MIXSPKR_VOL */
+#define WM8903_BYPASSL_MIXSPKR_VOL 0x0002 /* BYPASSL_MIXSPKR_VOL */
+#define WM8903_BYPASSL_MIXSPKR_VOL_MASK 0x0002 /* BYPASSL_MIXSPKR_VOL */
+#define WM8903_BYPASSL_MIXSPKR_VOL_SHIFT 1 /* BYPASSL_MIXSPKR_VOL */
+#define WM8903_BYPASSL_MIXSPKR_VOL_WIDTH 1 /* BYPASSL_MIXSPKR_VOL */
+#define WM8903_BYPASSR_MIXSPKR_VOL 0x0001 /* BYPASSR_MIXSPKR_VOL */
+#define WM8903_BYPASSR_MIXSPKR_VOL_MASK 0x0001 /* BYPASSR_MIXSPKR_VOL */
+#define WM8903_BYPASSR_MIXSPKR_VOL_SHIFT 0 /* BYPASSR_MIXSPKR_VOL */
+#define WM8903_BYPASSR_MIXSPKR_VOL_WIDTH 1 /* BYPASSR_MIXSPKR_VOL */
+
+/*
+ * R57 (0x39) - Analogue OUT1 Left
+ */
+#define WM8903_HPL_MUTE 0x0100 /* HPL_MUTE */
+#define WM8903_HPL_MUTE_MASK 0x0100 /* HPL_MUTE */
+#define WM8903_HPL_MUTE_SHIFT 8 /* HPL_MUTE */
+#define WM8903_HPL_MUTE_WIDTH 1 /* HPL_MUTE */
+#define WM8903_HPOUTVU 0x0080 /* HPOUTVU */
+#define WM8903_HPOUTVU_MASK 0x0080 /* HPOUTVU */
+#define WM8903_HPOUTVU_SHIFT 7 /* HPOUTVU */
+#define WM8903_HPOUTVU_WIDTH 1 /* HPOUTVU */
+#define WM8903_HPOUTLZC 0x0040 /* HPOUTLZC */
+#define WM8903_HPOUTLZC_MASK 0x0040 /* HPOUTLZC */
+#define WM8903_HPOUTLZC_SHIFT 6 /* HPOUTLZC */
+#define WM8903_HPOUTLZC_WIDTH 1 /* HPOUTLZC */
+#define WM8903_HPOUTL_VOL_MASK 0x003F /* HPOUTL_VOL - [5:0] */
+#define WM8903_HPOUTL_VOL_SHIFT 0 /* HPOUTL_VOL - [5:0] */
+#define WM8903_HPOUTL_VOL_WIDTH 6 /* HPOUTL_VOL - [5:0] */
+
+/*
+ * R58 (0x3A) - Analogue OUT1 Right
+ */
+#define WM8903_HPR_MUTE 0x0100 /* HPR_MUTE */
+#define WM8903_HPR_MUTE_MASK 0x0100 /* HPR_MUTE */
+#define WM8903_HPR_MUTE_SHIFT 8 /* HPR_MUTE */
+#define WM8903_HPR_MUTE_WIDTH 1 /* HPR_MUTE */
+#define WM8903_HPOUTVU 0x0080 /* HPOUTVU */
+#define WM8903_HPOUTVU_MASK 0x0080 /* HPOUTVU */
+#define WM8903_HPOUTVU_SHIFT 7 /* HPOUTVU */
+#define WM8903_HPOUTVU_WIDTH 1 /* HPOUTVU */
+#define WM8903_HPOUTRZC 0x0040 /* HPOUTRZC */
+#define WM8903_HPOUTRZC_MASK 0x0040 /* HPOUTRZC */
+#define WM8903_HPOUTRZC_SHIFT 6 /* HPOUTRZC */
+#define WM8903_HPOUTRZC_WIDTH 1 /* HPOUTRZC */
+#define WM8903_HPOUTR_VOL_MASK 0x003F /* HPOUTR_VOL - [5:0] */
+#define WM8903_HPOUTR_VOL_SHIFT 0 /* HPOUTR_VOL - [5:0] */
+#define WM8903_HPOUTR_VOL_WIDTH 6 /* HPOUTR_VOL - [5:0] */
+
+/*
+ * R59 (0x3B) - Analogue OUT2 Left
+ */
+#define WM8903_LINEOUTL_MUTE 0x0100 /* LINEOUTL_MUTE */
+#define WM8903_LINEOUTL_MUTE_MASK 0x0100 /* LINEOUTL_MUTE */
+#define WM8903_LINEOUTL_MUTE_SHIFT 8 /* LINEOUTL_MUTE */
+#define WM8903_LINEOUTL_MUTE_WIDTH 1 /* LINEOUTL_MUTE */
+#define WM8903_LINEOUTVU 0x0080 /* LINEOUTVU */
+#define WM8903_LINEOUTVU_MASK 0x0080 /* LINEOUTVU */
+#define WM8903_LINEOUTVU_SHIFT 7 /* LINEOUTVU */
+#define WM8903_LINEOUTVU_WIDTH 1 /* LINEOUTVU */
+#define WM8903_LINEOUTLZC 0x0040 /* LINEOUTLZC */
+#define WM8903_LINEOUTLZC_MASK 0x0040 /* LINEOUTLZC */
+#define WM8903_LINEOUTLZC_SHIFT 6 /* LINEOUTLZC */
+#define WM8903_LINEOUTLZC_WIDTH 1 /* LINEOUTLZC */
+#define WM8903_LINEOUTL_VOL_MASK 0x003F /* LINEOUTL_VOL - [5:0] */
+#define WM8903_LINEOUTL_VOL_SHIFT 0 /* LINEOUTL_VOL - [5:0] */
+#define WM8903_LINEOUTL_VOL_WIDTH 6 /* LINEOUTL_VOL - [5:0] */
+
+/*
+ * R60 (0x3C) - Analogue OUT2 Right
+ */
+#define WM8903_LINEOUTR_MUTE 0x0100 /* LINEOUTR_MUTE */
+#define WM8903_LINEOUTR_MUTE_MASK 0x0100 /* LINEOUTR_MUTE */
+#define WM8903_LINEOUTR_MUTE_SHIFT 8 /* LINEOUTR_MUTE */
+#define WM8903_LINEOUTR_MUTE_WIDTH 1 /* LINEOUTR_MUTE */
+#define WM8903_LINEOUTVU 0x0080 /* LINEOUTVU */
+#define WM8903_LINEOUTVU_MASK 0x0080 /* LINEOUTVU */
+#define WM8903_LINEOUTVU_SHIFT 7 /* LINEOUTVU */
+#define WM8903_LINEOUTVU_WIDTH 1 /* LINEOUTVU */
+#define WM8903_LINEOUTRZC 0x0040 /* LINEOUTRZC */
+#define WM8903_LINEOUTRZC_MASK 0x0040 /* LINEOUTRZC */
+#define WM8903_LINEOUTRZC_SHIFT 6 /* LINEOUTRZC */
+#define WM8903_LINEOUTRZC_WIDTH 1 /* LINEOUTRZC */
+#define WM8903_LINEOUTR_VOL_MASK 0x003F /* LINEOUTR_VOL - [5:0] */
+#define WM8903_LINEOUTR_VOL_SHIFT 0 /* LINEOUTR_VOL - [5:0] */
+#define WM8903_LINEOUTR_VOL_WIDTH 6 /* LINEOUTR_VOL - [5:0] */
+
+/*
+ * R62 (0x3E) - Analogue OUT3 Left
+ */
+#define WM8903_SPKL_MUTE 0x0100 /* SPKL_MUTE */
+#define WM8903_SPKL_MUTE_MASK 0x0100 /* SPKL_MUTE */
+#define WM8903_SPKL_MUTE_SHIFT 8 /* SPKL_MUTE */
+#define WM8903_SPKL_MUTE_WIDTH 1 /* SPKL_MUTE */
+#define WM8903_SPKVU 0x0080 /* SPKVU */
+#define WM8903_SPKVU_MASK 0x0080 /* SPKVU */
+#define WM8903_SPKVU_SHIFT 7 /* SPKVU */
+#define WM8903_SPKVU_WIDTH 1 /* SPKVU */
+#define WM8903_SPKLZC 0x0040 /* SPKLZC */
+#define WM8903_SPKLZC_MASK 0x0040 /* SPKLZC */
+#define WM8903_SPKLZC_SHIFT 6 /* SPKLZC */
+#define WM8903_SPKLZC_WIDTH 1 /* SPKLZC */
+#define WM8903_SPKL_VOL_MASK 0x003F /* SPKL_VOL - [5:0] */
+#define WM8903_SPKL_VOL_SHIFT 0 /* SPKL_VOL - [5:0] */
+#define WM8903_SPKL_VOL_WIDTH 6 /* SPKL_VOL - [5:0] */
+
+/*
+ * R63 (0x3F) - Analogue OUT3 Right
+ */
+#define WM8903_SPKR_MUTE 0x0100 /* SPKR_MUTE */
+#define WM8903_SPKR_MUTE_MASK 0x0100 /* SPKR_MUTE */
+#define WM8903_SPKR_MUTE_SHIFT 8 /* SPKR_MUTE */
+#define WM8903_SPKR_MUTE_WIDTH 1 /* SPKR_MUTE */
+#define WM8903_SPKVU 0x0080 /* SPKVU */
+#define WM8903_SPKVU_MASK 0x0080 /* SPKVU */
+#define WM8903_SPKVU_SHIFT 7 /* SPKVU */
+#define WM8903_SPKVU_WIDTH 1 /* SPKVU */
+#define WM8903_SPKRZC 0x0040 /* SPKRZC */
+#define WM8903_SPKRZC_MASK 0x0040 /* SPKRZC */
+#define WM8903_SPKRZC_SHIFT 6 /* SPKRZC */
+#define WM8903_SPKRZC_WIDTH 1 /* SPKRZC */
+#define WM8903_SPKR_VOL_MASK 0x003F /* SPKR_VOL - [5:0] */
+#define WM8903_SPKR_VOL_SHIFT 0 /* SPKR_VOL - [5:0] */
+#define WM8903_SPKR_VOL_WIDTH 6 /* SPKR_VOL - [5:0] */
+
+/*
+ * R65 (0x41) - Analogue SPK Output Control 0
+ */
+#define WM8903_SPK_DISCHARGE 0x0002 /* SPK_DISCHARGE */
+#define WM8903_SPK_DISCHARGE_MASK 0x0002 /* SPK_DISCHARGE */
+#define WM8903_SPK_DISCHARGE_SHIFT 1 /* SPK_DISCHARGE */
+#define WM8903_SPK_DISCHARGE_WIDTH 1 /* SPK_DISCHARGE */
+#define WM8903_VROI 0x0001 /* VROI */
+#define WM8903_VROI_MASK 0x0001 /* VROI */
+#define WM8903_VROI_SHIFT 0 /* VROI */
+#define WM8903_VROI_WIDTH 1 /* VROI */
+
+/*
+ * R67 (0x43) - DC Servo 0
+ */
+#define WM8903_DCS_MASTER_ENA 0x0010 /* DCS_MASTER_ENA */
+#define WM8903_DCS_MASTER_ENA_MASK 0x0010 /* DCS_MASTER_ENA */
+#define WM8903_DCS_MASTER_ENA_SHIFT 4 /* DCS_MASTER_ENA */
+#define WM8903_DCS_MASTER_ENA_WIDTH 1 /* DCS_MASTER_ENA */
+#define WM8903_DCS_ENA_MASK 0x000F /* DCS_ENA - [3:0] */
+#define WM8903_DCS_ENA_SHIFT 0 /* DCS_ENA - [3:0] */
+#define WM8903_DCS_ENA_WIDTH 4 /* DCS_ENA - [3:0] */
+
+/*
+ * R69 (0x45) - DC Servo 2
+ */
+#define WM8903_DCS_MODE_MASK 0x0003 /* DCS_MODE - [1:0] */
+#define WM8903_DCS_MODE_SHIFT 0 /* DCS_MODE - [1:0] */
+#define WM8903_DCS_MODE_WIDTH 2 /* DCS_MODE - [1:0] */
+
+/*
+ * R90 (0x5A) - Analogue HP 0
+ */
+#define WM8903_HPL_RMV_SHORT 0x0080 /* HPL_RMV_SHORT */
+#define WM8903_HPL_RMV_SHORT_MASK 0x0080 /* HPL_RMV_SHORT */
+#define WM8903_HPL_RMV_SHORT_SHIFT 7 /* HPL_RMV_SHORT */
+#define WM8903_HPL_RMV_SHORT_WIDTH 1 /* HPL_RMV_SHORT */
+#define WM8903_HPL_ENA_OUTP 0x0040 /* HPL_ENA_OUTP */
+#define WM8903_HPL_ENA_OUTP_MASK 0x0040 /* HPL_ENA_OUTP */
+#define WM8903_HPL_ENA_OUTP_SHIFT 6 /* HPL_ENA_OUTP */
+#define WM8903_HPL_ENA_OUTP_WIDTH 1 /* HPL_ENA_OUTP */
+#define WM8903_HPL_ENA_DLY 0x0020 /* HPL_ENA_DLY */
+#define WM8903_HPL_ENA_DLY_MASK 0x0020 /* HPL_ENA_DLY */
+#define WM8903_HPL_ENA_DLY_SHIFT 5 /* HPL_ENA_DLY */
+#define WM8903_HPL_ENA_DLY_WIDTH 1 /* HPL_ENA_DLY */
+#define WM8903_HPL_ENA 0x0010 /* HPL_ENA */
+#define WM8903_HPL_ENA_MASK 0x0010 /* HPL_ENA */
+#define WM8903_HPL_ENA_SHIFT 4 /* HPL_ENA */
+#define WM8903_HPL_ENA_WIDTH 1 /* HPL_ENA */
+#define WM8903_HPR_RMV_SHORT 0x0008 /* HPR_RMV_SHORT */
+#define WM8903_HPR_RMV_SHORT_MASK 0x0008 /* HPR_RMV_SHORT */
+#define WM8903_HPR_RMV_SHORT_SHIFT 3 /* HPR_RMV_SHORT */
+#define WM8903_HPR_RMV_SHORT_WIDTH 1 /* HPR_RMV_SHORT */
+#define WM8903_HPR_ENA_OUTP 0x0004 /* HPR_ENA_OUTP */
+#define WM8903_HPR_ENA_OUTP_MASK 0x0004 /* HPR_ENA_OUTP */
+#define WM8903_HPR_ENA_OUTP_SHIFT 2 /* HPR_ENA_OUTP */
+#define WM8903_HPR_ENA_OUTP_WIDTH 1 /* HPR_ENA_OUTP */
+#define WM8903_HPR_ENA_DLY 0x0002 /* HPR_ENA_DLY */
+#define WM8903_HPR_ENA_DLY_MASK 0x0002 /* HPR_ENA_DLY */
+#define WM8903_HPR_ENA_DLY_SHIFT 1 /* HPR_ENA_DLY */
+#define WM8903_HPR_ENA_DLY_WIDTH 1 /* HPR_ENA_DLY */
+#define WM8903_HPR_ENA 0x0001 /* HPR_ENA */
+#define WM8903_HPR_ENA_MASK 0x0001 /* HPR_ENA */
+#define WM8903_HPR_ENA_SHIFT 0 /* HPR_ENA */
+#define WM8903_HPR_ENA_WIDTH 1 /* HPR_ENA */
+
+/*
+ * R94 (0x5E) - Analogue Lineout 0
+ */
+#define WM8903_LINEOUTL_RMV_SHORT 0x0080 /* LINEOUTL_RMV_SHORT */
+#define WM8903_LINEOUTL_RMV_SHORT_MASK 0x0080 /* LINEOUTL_RMV_SHORT */
+#define WM8903_LINEOUTL_RMV_SHORT_SHIFT 7 /* LINEOUTL_RMV_SHORT */
+#define WM8903_LINEOUTL_RMV_SHORT_WIDTH 1 /* LINEOUTL_RMV_SHORT */
+#define WM8903_LINEOUTL_ENA_OUTP 0x0040 /* LINEOUTL_ENA_OUTP */
+#define WM8903_LINEOUTL_ENA_OUTP_MASK 0x0040 /* LINEOUTL_ENA_OUTP */
+#define WM8903_LINEOUTL_ENA_OUTP_SHIFT 6 /* LINEOUTL_ENA_OUTP */
+#define WM8903_LINEOUTL_ENA_OUTP_WIDTH 1 /* LINEOUTL_ENA_OUTP */
+#define WM8903_LINEOUTL_ENA_DLY 0x0020 /* LINEOUTL_ENA_DLY */
+#define WM8903_LINEOUTL_ENA_DLY_MASK 0x0020 /* LINEOUTL_ENA_DLY */
+#define WM8903_LINEOUTL_ENA_DLY_SHIFT 5 /* LINEOUTL_ENA_DLY */
+#define WM8903_LINEOUTL_ENA_DLY_WIDTH 1 /* LINEOUTL_ENA_DLY */
+#define WM8903_LINEOUTL_ENA 0x0010 /* LINEOUTL_ENA */
+#define WM8903_LINEOUTL_ENA_MASK 0x0010 /* LINEOUTL_ENA */
+#define WM8903_LINEOUTL_ENA_SHIFT 4 /* LINEOUTL_ENA */
+#define WM8903_LINEOUTL_ENA_WIDTH 1 /* LINEOUTL_ENA */
+#define WM8903_LINEOUTR_RMV_SHORT 0x0008 /* LINEOUTR_RMV_SHORT */
+#define WM8903_LINEOUTR_RMV_SHORT_MASK 0x0008 /* LINEOUTR_RMV_SHORT */
+#define WM8903_LINEOUTR_RMV_SHORT_SHIFT 3 /* LINEOUTR_RMV_SHORT */
+#define WM8903_LINEOUTR_RMV_SHORT_WIDTH 1 /* LINEOUTR_RMV_SHORT */
+#define WM8903_LINEOUTR_ENA_OUTP 0x0004 /* LINEOUTR_ENA_OUTP */
+#define WM8903_LINEOUTR_ENA_OUTP_MASK 0x0004 /* LINEOUTR_ENA_OUTP */
+#define WM8903_LINEOUTR_ENA_OUTP_SHIFT 2 /* LINEOUTR_ENA_OUTP */
+#define WM8903_LINEOUTR_ENA_OUTP_WIDTH 1 /* LINEOUTR_ENA_OUTP */
+#define WM8903_LINEOUTR_ENA_DLY 0x0002 /* LINEOUTR_ENA_DLY */
+#define WM8903_LINEOUTR_ENA_DLY_MASK 0x0002 /* LINEOUTR_ENA_DLY */
+#define WM8903_LINEOUTR_ENA_DLY_SHIFT 1 /* LINEOUTR_ENA_DLY */
+#define WM8903_LINEOUTR_ENA_DLY_WIDTH 1 /* LINEOUTR_ENA_DLY */
+#define WM8903_LINEOUTR_ENA 0x0001 /* LINEOUTR_ENA */
+#define WM8903_LINEOUTR_ENA_MASK 0x0001 /* LINEOUTR_ENA */
+#define WM8903_LINEOUTR_ENA_SHIFT 0 /* LINEOUTR_ENA */
+#define WM8903_LINEOUTR_ENA_WIDTH 1 /* LINEOUTR_ENA */
+
+/*
+ * R98 (0x62) - Charge Pump 0
+ */
+#define WM8903_CP_ENA 0x0001 /* CP_ENA */
+#define WM8903_CP_ENA_MASK 0x0001 /* CP_ENA */
+#define WM8903_CP_ENA_SHIFT 0 /* CP_ENA */
+#define WM8903_CP_ENA_WIDTH 1 /* CP_ENA */
+
+/*
+ * R104 (0x68) - Class W 0
+ */
+#define WM8903_CP_DYN_FREQ 0x0002 /* CP_DYN_FREQ */
+#define WM8903_CP_DYN_FREQ_MASK 0x0002 /* CP_DYN_FREQ */
+#define WM8903_CP_DYN_FREQ_SHIFT 1 /* CP_DYN_FREQ */
+#define WM8903_CP_DYN_FREQ_WIDTH 1 /* CP_DYN_FREQ */
+#define WM8903_CP_DYN_V 0x0001 /* CP_DYN_V */
+#define WM8903_CP_DYN_V_MASK 0x0001 /* CP_DYN_V */
+#define WM8903_CP_DYN_V_SHIFT 0 /* CP_DYN_V */
+#define WM8903_CP_DYN_V_WIDTH 1 /* CP_DYN_V */
+
+/*
+ * R108 (0x6C) - Write Sequencer 0
+ */
+#define WM8903_WSEQ_ENA 0x0100 /* WSEQ_ENA */
+#define WM8903_WSEQ_ENA_MASK 0x0100 /* WSEQ_ENA */
+#define WM8903_WSEQ_ENA_SHIFT 8 /* WSEQ_ENA */
+#define WM8903_WSEQ_ENA_WIDTH 1 /* WSEQ_ENA */
+#define WM8903_WSEQ_WRITE_INDEX_MASK 0x001F /* WSEQ_WRITE_INDEX - [4:0] */
+#define WM8903_WSEQ_WRITE_INDEX_SHIFT 0 /* WSEQ_WRITE_INDEX - [4:0] */
+#define WM8903_WSEQ_WRITE_INDEX_WIDTH 5 /* WSEQ_WRITE_INDEX - [4:0] */
+
+/*
+ * R109 (0x6D) - Write Sequencer 1
+ */
+#define WM8903_WSEQ_DATA_WIDTH_MASK 0x7000 /* WSEQ_DATA_WIDTH - [14:12] */
+#define WM8903_WSEQ_DATA_WIDTH_SHIFT 12 /* WSEQ_DATA_WIDTH - [14:12] */
+#define WM8903_WSEQ_DATA_WIDTH_WIDTH 3 /* WSEQ_DATA_WIDTH - [14:12] */
+#define WM8903_WSEQ_DATA_START_MASK 0x0F00 /* WSEQ_DATA_START - [11:8] */
+#define WM8903_WSEQ_DATA_START_SHIFT 8 /* WSEQ_DATA_START - [11:8] */
+#define WM8903_WSEQ_DATA_START_WIDTH 4 /* WSEQ_DATA_START - [11:8] */
+#define WM8903_WSEQ_ADDR_MASK 0x00FF /* WSEQ_ADDR - [7:0] */
+#define WM8903_WSEQ_ADDR_SHIFT 0 /* WSEQ_ADDR - [7:0] */
+#define WM8903_WSEQ_ADDR_WIDTH 8 /* WSEQ_ADDR - [7:0] */
+
+/*
+ * R110 (0x6E) - Write Sequencer 2
+ */
+#define WM8903_WSEQ_EOS 0x4000 /* WSEQ_EOS */
+#define WM8903_WSEQ_EOS_MASK 0x4000 /* WSEQ_EOS */
+#define WM8903_WSEQ_EOS_SHIFT 14 /* WSEQ_EOS */
+#define WM8903_WSEQ_EOS_WIDTH 1 /* WSEQ_EOS */
+#define WM8903_WSEQ_DELAY_MASK 0x0F00 /* WSEQ_DELAY - [11:8] */
+#define WM8903_WSEQ_DELAY_SHIFT 8 /* WSEQ_DELAY - [11:8] */
+#define WM8903_WSEQ_DELAY_WIDTH 4 /* WSEQ_DELAY - [11:8] */
+#define WM8903_WSEQ_DATA_MASK 0x00FF /* WSEQ_DATA - [7:0] */
+#define WM8903_WSEQ_DATA_SHIFT 0 /* WSEQ_DATA - [7:0] */
+#define WM8903_WSEQ_DATA_WIDTH 8 /* WSEQ_DATA - [7:0] */
+
+/*
+ * R111 (0x6F) - Write Sequencer 3
+ */
+#define WM8903_WSEQ_ABORT 0x0200 /* WSEQ_ABORT */
+#define WM8903_WSEQ_ABORT_MASK 0x0200 /* WSEQ_ABORT */
+#define WM8903_WSEQ_ABORT_SHIFT 9 /* WSEQ_ABORT */
+#define WM8903_WSEQ_ABORT_WIDTH 1 /* WSEQ_ABORT */
+#define WM8903_WSEQ_START 0x0100 /* WSEQ_START */
+#define WM8903_WSEQ_START_MASK 0x0100 /* WSEQ_START */
+#define WM8903_WSEQ_START_SHIFT 8 /* WSEQ_START */
+#define WM8903_WSEQ_START_WIDTH 1 /* WSEQ_START */
+#define WM8903_WSEQ_START_INDEX_MASK 0x003F /* WSEQ_START_INDEX - [5:0] */
+#define WM8903_WSEQ_START_INDEX_SHIFT 0 /* WSEQ_START_INDEX - [5:0] */
+#define WM8903_WSEQ_START_INDEX_WIDTH 6 /* WSEQ_START_INDEX - [5:0] */
+
+/*
+ * R112 (0x70) - Write Sequencer 4
+ */
+#define WM8903_WSEQ_CURRENT_INDEX_MASK 0x03F0 /* WSEQ_CURRENT_INDEX - [9:4] */
+#define WM8903_WSEQ_CURRENT_INDEX_SHIFT 4 /* WSEQ_CURRENT_INDEX - [9:4] */
+#define WM8903_WSEQ_CURRENT_INDEX_WIDTH 6 /* WSEQ_CURRENT_INDEX - [9:4] */
+#define WM8903_WSEQ_BUSY 0x0001 /* WSEQ_BUSY */
+#define WM8903_WSEQ_BUSY_MASK 0x0001 /* WSEQ_BUSY */
+#define WM8903_WSEQ_BUSY_SHIFT 0 /* WSEQ_BUSY */
+#define WM8903_WSEQ_BUSY_WIDTH 1 /* WSEQ_BUSY */
+
+/*
+ * R114 (0x72) - Control Interface
+ */
+#define WM8903_MASK_WRITE_ENA 0x0001 /* MASK_WRITE_ENA */
+#define WM8903_MASK_WRITE_ENA_MASK 0x0001 /* MASK_WRITE_ENA */
+#define WM8903_MASK_WRITE_ENA_SHIFT 0 /* MASK_WRITE_ENA */
+#define WM8903_MASK_WRITE_ENA_WIDTH 1 /* MASK_WRITE_ENA */
+
+/*
+ * R116 (0x74) - GPIO Control 1
+ */
+#define WM8903_GP1_FN_MASK 0x1F00 /* GP1_FN - [12:8] */
+#define WM8903_GP1_FN_SHIFT 8 /* GP1_FN - [12:8] */
+#define WM8903_GP1_FN_WIDTH 5 /* GP1_FN - [12:8] */
+#define WM8903_GP1_DIR 0x0080 /* GP1_DIR */
+#define WM8903_GP1_DIR_MASK 0x0080 /* GP1_DIR */
+#define WM8903_GP1_DIR_SHIFT 7 /* GP1_DIR */
+#define WM8903_GP1_DIR_WIDTH 1 /* GP1_DIR */
+#define WM8903_GP1_OP_CFG 0x0040 /* GP1_OP_CFG */
+#define WM8903_GP1_OP_CFG_MASK 0x0040 /* GP1_OP_CFG */
+#define WM8903_GP1_OP_CFG_SHIFT 6 /* GP1_OP_CFG */
+#define WM8903_GP1_OP_CFG_WIDTH 1 /* GP1_OP_CFG */
+#define WM8903_GP1_IP_CFG 0x0020 /* GP1_IP_CFG */
+#define WM8903_GP1_IP_CFG_MASK 0x0020 /* GP1_IP_CFG */
+#define WM8903_GP1_IP_CFG_SHIFT 5 /* GP1_IP_CFG */
+#define WM8903_GP1_IP_CFG_WIDTH 1 /* GP1_IP_CFG */
+#define WM8903_GP1_LVL 0x0010 /* GP1_LVL */
+#define WM8903_GP1_LVL_MASK 0x0010 /* GP1_LVL */
+#define WM8903_GP1_LVL_SHIFT 4 /* GP1_LVL */
+#define WM8903_GP1_LVL_WIDTH 1 /* GP1_LVL */
+#define WM8903_GP1_PD 0x0008 /* GP1_PD */
+#define WM8903_GP1_PD_MASK 0x0008 /* GP1_PD */
+#define WM8903_GP1_PD_SHIFT 3 /* GP1_PD */
+#define WM8903_GP1_PD_WIDTH 1 /* GP1_PD */
+#define WM8903_GP1_PU 0x0004 /* GP1_PU */
+#define WM8903_GP1_PU_MASK 0x0004 /* GP1_PU */
+#define WM8903_GP1_PU_SHIFT 2 /* GP1_PU */
+#define WM8903_GP1_PU_WIDTH 1 /* GP1_PU */
+#define WM8903_GP1_INTMODE 0x0002 /* GP1_INTMODE */
+#define WM8903_GP1_INTMODE_MASK 0x0002 /* GP1_INTMODE */
+#define WM8903_GP1_INTMODE_SHIFT 1 /* GP1_INTMODE */
+#define WM8903_GP1_INTMODE_WIDTH 1 /* GP1_INTMODE */
+#define WM8903_GP1_DB 0x0001 /* GP1_DB */
+#define WM8903_GP1_DB_MASK 0x0001 /* GP1_DB */
+#define WM8903_GP1_DB_SHIFT 0 /* GP1_DB */
+#define WM8903_GP1_DB_WIDTH 1 /* GP1_DB */
+
+/*
+ * R117 (0x75) - GPIO Control 2
+ */
+#define WM8903_GP2_FN_MASK 0x1F00 /* GP2_FN - [12:8] */
+#define WM8903_GP2_FN_SHIFT 8 /* GP2_FN - [12:8] */
+#define WM8903_GP2_FN_WIDTH 5 /* GP2_FN - [12:8] */
+#define WM8903_GP2_DIR 0x0080 /* GP2_DIR */
+#define WM8903_GP2_DIR_MASK 0x0080 /* GP2_DIR */
+#define WM8903_GP2_DIR_SHIFT 7 /* GP2_DIR */
+#define WM8903_GP2_DIR_WIDTH 1 /* GP2_DIR */
+#define WM8903_GP2_OP_CFG 0x0040 /* GP2_OP_CFG */
+#define WM8903_GP2_OP_CFG_MASK 0x0040 /* GP2_OP_CFG */
+#define WM8903_GP2_OP_CFG_SHIFT 6 /* GP2_OP_CFG */
+#define WM8903_GP2_OP_CFG_WIDTH 1 /* GP2_OP_CFG */
+#define WM8903_GP2_IP_CFG 0x0020 /* GP2_IP_CFG */
+#define WM8903_GP2_IP_CFG_MASK 0x0020 /* GP2_IP_CFG */
+#define WM8903_GP2_IP_CFG_SHIFT 5 /* GP2_IP_CFG */
+#define WM8903_GP2_IP_CFG_WIDTH 1 /* GP2_IP_CFG */
+#define WM8903_GP2_LVL 0x0010 /* GP2_LVL */
+#define WM8903_GP2_LVL_MASK 0x0010 /* GP2_LVL */
+#define WM8903_GP2_LVL_SHIFT 4 /* GP2_LVL */
+#define WM8903_GP2_LVL_WIDTH 1 /* GP2_LVL */
+#define WM8903_GP2_PD 0x0008 /* GP2_PD */
+#define WM8903_GP2_PD_MASK 0x0008 /* GP2_PD */
+#define WM8903_GP2_PD_SHIFT 3 /* GP2_PD */
+#define WM8903_GP2_PD_WIDTH 1 /* GP2_PD */
+#define WM8903_GP2_PU 0x0004 /* GP2_PU */
+#define WM8903_GP2_PU_MASK 0x0004 /* GP2_PU */
+#define WM8903_GP2_PU_SHIFT 2 /* GP2_PU */
+#define WM8903_GP2_PU_WIDTH 1 /* GP2_PU */
+#define WM8903_GP2_INTMODE 0x0002 /* GP2_INTMODE */
+#define WM8903_GP2_INTMODE_MASK 0x0002 /* GP2_INTMODE */
+#define WM8903_GP2_INTMODE_SHIFT 1 /* GP2_INTMODE */
+#define WM8903_GP2_INTMODE_WIDTH 1 /* GP2_INTMODE */
+#define WM8903_GP2_DB 0x0001 /* GP2_DB */
+#define WM8903_GP2_DB_MASK 0x0001 /* GP2_DB */
+#define WM8903_GP2_DB_SHIFT 0 /* GP2_DB */
+#define WM8903_GP2_DB_WIDTH 1 /* GP2_DB */
+
+/*
+ * R118 (0x76) - GPIO Control 3
+ */
+#define WM8903_GP3_FN_MASK 0x1F00 /* GP3_FN - [12:8] */
+#define WM8903_GP3_FN_SHIFT 8 /* GP3_FN - [12:8] */
+#define WM8903_GP3_FN_WIDTH 5 /* GP3_FN - [12:8] */
+#define WM8903_GP3_DIR 0x0080 /* GP3_DIR */
+#define WM8903_GP3_DIR_MASK 0x0080 /* GP3_DIR */
+#define WM8903_GP3_DIR_SHIFT 7 /* GP3_DIR */
+#define WM8903_GP3_DIR_WIDTH 1 /* GP3_DIR */
+#define WM8903_GP3_OP_CFG 0x0040 /* GP3_OP_CFG */
+#define WM8903_GP3_OP_CFG_MASK 0x0040 /* GP3_OP_CFG */
+#define WM8903_GP3_OP_CFG_SHIFT 6 /* GP3_OP_CFG */
+#define WM8903_GP3_OP_CFG_WIDTH 1 /* GP3_OP_CFG */
+#define WM8903_GP3_IP_CFG 0x0020 /* GP3_IP_CFG */
+#define WM8903_GP3_IP_CFG_MASK 0x0020 /* GP3_IP_CFG */
+#define WM8903_GP3_IP_CFG_SHIFT 5 /* GP3_IP_CFG */
+#define WM8903_GP3_IP_CFG_WIDTH 1 /* GP3_IP_CFG */
+#define WM8903_GP3_LVL 0x0010 /* GP3_LVL */
+#define WM8903_GP3_LVL_MASK 0x0010 /* GP3_LVL */
+#define WM8903_GP3_LVL_SHIFT 4 /* GP3_LVL */
+#define WM8903_GP3_LVL_WIDTH 1 /* GP3_LVL */
+#define WM8903_GP3_PD 0x0008 /* GP3_PD */
+#define WM8903_GP3_PD_MASK 0x0008 /* GP3_PD */
+#define WM8903_GP3_PD_SHIFT 3 /* GP3_PD */
+#define WM8903_GP3_PD_WIDTH 1 /* GP3_PD */
+#define WM8903_GP3_PU 0x0004 /* GP3_PU */
+#define WM8903_GP3_PU_MASK 0x0004 /* GP3_PU */
+#define WM8903_GP3_PU_SHIFT 2 /* GP3_PU */
+#define WM8903_GP3_PU_WIDTH 1 /* GP3_PU */
+#define WM8903_GP3_INTMODE 0x0002 /* GP3_INTMODE */
+#define WM8903_GP3_INTMODE_MASK 0x0002 /* GP3_INTMODE */
+#define WM8903_GP3_INTMODE_SHIFT 1 /* GP3_INTMODE */
+#define WM8903_GP3_INTMODE_WIDTH 1 /* GP3_INTMODE */
+#define WM8903_GP3_DB 0x0001 /* GP3_DB */
+#define WM8903_GP3_DB_MASK 0x0001 /* GP3_DB */
+#define WM8903_GP3_DB_SHIFT 0 /* GP3_DB */
+#define WM8903_GP3_DB_WIDTH 1 /* GP3_DB */
+
+/*
+ * R119 (0x77) - GPIO Control 4
+ */
+#define WM8903_GP4_FN_MASK 0x1F00 /* GP4_FN - [12:8] */
+#define WM8903_GP4_FN_SHIFT 8 /* GP4_FN - [12:8] */
+#define WM8903_GP4_FN_WIDTH 5 /* GP4_FN - [12:8] */
+#define WM8903_GP4_DIR 0x0080 /* GP4_DIR */
+#define WM8903_GP4_DIR_MASK 0x0080 /* GP4_DIR */
+#define WM8903_GP4_DIR_SHIFT 7 /* GP4_DIR */
+#define WM8903_GP4_DIR_WIDTH 1 /* GP4_DIR */
+#define WM8903_GP4_OP_CFG 0x0040 /* GP4_OP_CFG */
+#define WM8903_GP4_OP_CFG_MASK 0x0040 /* GP4_OP_CFG */
+#define WM8903_GP4_OP_CFG_SHIFT 6 /* GP4_OP_CFG */
+#define WM8903_GP4_OP_CFG_WIDTH 1 /* GP4_OP_CFG */
+#define WM8903_GP4_IP_CFG 0x0020 /* GP4_IP_CFG */
+#define WM8903_GP4_IP_CFG_MASK 0x0020 /* GP4_IP_CFG */
+#define WM8903_GP4_IP_CFG_SHIFT 5 /* GP4_IP_CFG */
+#define WM8903_GP4_IP_CFG_WIDTH 1 /* GP4_IP_CFG */
+#define WM8903_GP4_LVL 0x0010 /* GP4_LVL */
+#define WM8903_GP4_LVL_MASK 0x0010 /* GP4_LVL */
+#define WM8903_GP4_LVL_SHIFT 4 /* GP4_LVL */
+#define WM8903_GP4_LVL_WIDTH 1 /* GP4_LVL */
+#define WM8903_GP4_PD 0x0008 /* GP4_PD */
+#define WM8903_GP4_PD_MASK 0x0008 /* GP4_PD */
+#define WM8903_GP4_PD_SHIFT 3 /* GP4_PD */
+#define WM8903_GP4_PD_WIDTH 1 /* GP4_PD */
+#define WM8903_GP4_PU 0x0004 /* GP4_PU */
+#define WM8903_GP4_PU_MASK 0x0004 /* GP4_PU */
+#define WM8903_GP4_PU_SHIFT 2 /* GP4_PU */
+#define WM8903_GP4_PU_WIDTH 1 /* GP4_PU */
+#define WM8903_GP4_INTMODE 0x0002 /* GP4_INTMODE */
+#define WM8903_GP4_INTMODE_MASK 0x0002 /* GP4_INTMODE */
+#define WM8903_GP4_INTMODE_SHIFT 1 /* GP4_INTMODE */
+#define WM8903_GP4_INTMODE_WIDTH 1 /* GP4_INTMODE */
+#define WM8903_GP4_DB 0x0001 /* GP4_DB */
+#define WM8903_GP4_DB_MASK 0x0001 /* GP4_DB */
+#define WM8903_GP4_DB_SHIFT 0 /* GP4_DB */
+#define WM8903_GP4_DB_WIDTH 1 /* GP4_DB */
+
+/*
+ * R120 (0x78) - GPIO Control 5
+ */
+#define WM8903_GP5_FN_MASK 0x1F00 /* GP5_FN - [12:8] */
+#define WM8903_GP5_FN_SHIFT 8 /* GP5_FN - [12:8] */
+#define WM8903_GP5_FN_WIDTH 5 /* GP5_FN - [12:8] */
+#define WM8903_GP5_DIR 0x0080 /* GP5_DIR */
+#define WM8903_GP5_DIR_MASK 0x0080 /* GP5_DIR */
+#define WM8903_GP5_DIR_SHIFT 7 /* GP5_DIR */
+#define WM8903_GP5_DIR_WIDTH 1 /* GP5_DIR */
+#define WM8903_GP5_OP_CFG 0x0040 /* GP5_OP_CFG */
+#define WM8903_GP5_OP_CFG_MASK 0x0040 /* GP5_OP_CFG */
+#define WM8903_GP5_OP_CFG_SHIFT 6 /* GP5_OP_CFG */
+#define WM8903_GP5_OP_CFG_WIDTH 1 /* GP5_OP_CFG */
+#define WM8903_GP5_IP_CFG 0x0020 /* GP5_IP_CFG */
+#define WM8903_GP5_IP_CFG_MASK 0x0020 /* GP5_IP_CFG */
+#define WM8903_GP5_IP_CFG_SHIFT 5 /* GP5_IP_CFG */
+#define WM8903_GP5_IP_CFG_WIDTH 1 /* GP5_IP_CFG */
+#define WM8903_GP5_LVL 0x0010 /* GP5_LVL */
+#define WM8903_GP5_LVL_MASK 0x0010 /* GP5_LVL */
+#define WM8903_GP5_LVL_SHIFT 4 /* GP5_LVL */
+#define WM8903_GP5_LVL_WIDTH 1 /* GP5_LVL */
+#define WM8903_GP5_PD 0x0008 /* GP5_PD */
+#define WM8903_GP5_PD_MASK 0x0008 /* GP5_PD */
+#define WM8903_GP5_PD_SHIFT 3 /* GP5_PD */
+#define WM8903_GP5_PD_WIDTH 1 /* GP5_PD */
+#define WM8903_GP5_PU 0x0004 /* GP5_PU */
+#define WM8903_GP5_PU_MASK 0x0004 /* GP5_PU */
+#define WM8903_GP5_PU_SHIFT 2 /* GP5_PU */
+#define WM8903_GP5_PU_WIDTH 1 /* GP5_PU */
+#define WM8903_GP5_INTMODE 0x0002 /* GP5_INTMODE */
+#define WM8903_GP5_INTMODE_MASK 0x0002 /* GP5_INTMODE */
+#define WM8903_GP5_INTMODE_SHIFT 1 /* GP5_INTMODE */
+#define WM8903_GP5_INTMODE_WIDTH 1 /* GP5_INTMODE */
+#define WM8903_GP5_DB 0x0001 /* GP5_DB */
+#define WM8903_GP5_DB_MASK 0x0001 /* GP5_DB */
+#define WM8903_GP5_DB_SHIFT 0 /* GP5_DB */
+#define WM8903_GP5_DB_WIDTH 1 /* GP5_DB */
+
+/*
+ * R121 (0x79) - Interrupt Status 1
+ */
+#define WM8903_MICSHRT_EINT 0x8000 /* MICSHRT_EINT */
+#define WM8903_MICSHRT_EINT_MASK 0x8000 /* MICSHRT_EINT */
+#define WM8903_MICSHRT_EINT_SHIFT 15 /* MICSHRT_EINT */
+#define WM8903_MICSHRT_EINT_WIDTH 1 /* MICSHRT_EINT */
+#define WM8903_MICDET_EINT 0x4000 /* MICDET_EINT */
+#define WM8903_MICDET_EINT_MASK 0x4000 /* MICDET_EINT */
+#define WM8903_MICDET_EINT_SHIFT 14 /* MICDET_EINT */
+#define WM8903_MICDET_EINT_WIDTH 1 /* MICDET_EINT */
+#define WM8903_WSEQ_BUSY_EINT 0x2000 /* WSEQ_BUSY_EINT */
+#define WM8903_WSEQ_BUSY_EINT_MASK 0x2000 /* WSEQ_BUSY_EINT */
+#define WM8903_WSEQ_BUSY_EINT_SHIFT 13 /* WSEQ_BUSY_EINT */
+#define WM8903_WSEQ_BUSY_EINT_WIDTH 1 /* WSEQ_BUSY_EINT */
+#define WM8903_GP5_EINT 0x0010 /* GP5_EINT */
+#define WM8903_GP5_EINT_MASK 0x0010 /* GP5_EINT */
+#define WM8903_GP5_EINT_SHIFT 4 /* GP5_EINT */
+#define WM8903_GP5_EINT_WIDTH 1 /* GP5_EINT */
+#define WM8903_GP4_EINT 0x0008 /* GP4_EINT */
+#define WM8903_GP4_EINT_MASK 0x0008 /* GP4_EINT */
+#define WM8903_GP4_EINT_SHIFT 3 /* GP4_EINT */
+#define WM8903_GP4_EINT_WIDTH 1 /* GP4_EINT */
+#define WM8903_GP3_EINT 0x0004 /* GP3_EINT */
+#define WM8903_GP3_EINT_MASK 0x0004 /* GP3_EINT */
+#define WM8903_GP3_EINT_SHIFT 2 /* GP3_EINT */
+#define WM8903_GP3_EINT_WIDTH 1 /* GP3_EINT */
+#define WM8903_GP2_EINT 0x0002 /* GP2_EINT */
+#define WM8903_GP2_EINT_MASK 0x0002 /* GP2_EINT */
+#define WM8903_GP2_EINT_SHIFT 1 /* GP2_EINT */
+#define WM8903_GP2_EINT_WIDTH 1 /* GP2_EINT */
+#define WM8903_GP1_EINT 0x0001 /* GP1_EINT */
+#define WM8903_GP1_EINT_MASK 0x0001 /* GP1_EINT */
+#define WM8903_GP1_EINT_SHIFT 0 /* GP1_EINT */
+#define WM8903_GP1_EINT_WIDTH 1 /* GP1_EINT */
+
+/*
+ * R122 (0x7A) - Interrupt Status 1 Mask
+ */
+#define WM8903_IM_MICSHRT_EINT 0x8000 /* IM_MICSHRT_EINT */
+#define WM8903_IM_MICSHRT_EINT_MASK 0x8000 /* IM_MICSHRT_EINT */
+#define WM8903_IM_MICSHRT_EINT_SHIFT 15 /* IM_MICSHRT_EINT */
+#define WM8903_IM_MICSHRT_EINT_WIDTH 1 /* IM_MICSHRT_EINT */
+#define WM8903_IM_MICDET_EINT 0x4000 /* IM_MICDET_EINT */
+#define WM8903_IM_MICDET_EINT_MASK 0x4000 /* IM_MICDET_EINT */
+#define WM8903_IM_MICDET_EINT_SHIFT 14 /* IM_MICDET_EINT */
+#define WM8903_IM_MICDET_EINT_WIDTH 1 /* IM_MICDET_EINT */
+#define WM8903_IM_WSEQ_BUSY_EINT 0x2000 /* IM_WSEQ_BUSY_EINT */
+#define WM8903_IM_WSEQ_BUSY_EINT_MASK 0x2000 /* IM_WSEQ_BUSY_EINT */
+#define WM8903_IM_WSEQ_BUSY_EINT_SHIFT 13 /* IM_WSEQ_BUSY_EINT */
+#define WM8903_IM_WSEQ_BUSY_EINT_WIDTH 1 /* IM_WSEQ_BUSY_EINT */
+#define WM8903_IM_GP5_EINT 0x0010 /* IM_GP5_EINT */
+#define WM8903_IM_GP5_EINT_MASK 0x0010 /* IM_GP5_EINT */
+#define WM8903_IM_GP5_EINT_SHIFT 4 /* IM_GP5_EINT */
+#define WM8903_IM_GP5_EINT_WIDTH 1 /* IM_GP5_EINT */
+#define WM8903_IM_GP4_EINT 0x0008 /* IM_GP4_EINT */
+#define WM8903_IM_GP4_EINT_MASK 0x0008 /* IM_GP4_EINT */
+#define WM8903_IM_GP4_EINT_SHIFT 3 /* IM_GP4_EINT */
+#define WM8903_IM_GP4_EINT_WIDTH 1 /* IM_GP4_EINT */
+#define WM8903_IM_GP3_EINT 0x0004 /* IM_GP3_EINT */
+#define WM8903_IM_GP3_EINT_MASK 0x0004 /* IM_GP3_EINT */
+#define WM8903_IM_GP3_EINT_SHIFT 2 /* IM_GP3_EINT */
+#define WM8903_IM_GP3_EINT_WIDTH 1 /* IM_GP3_EINT */
+#define WM8903_IM_GP2_EINT 0x0002 /* IM_GP2_EINT */
+#define WM8903_IM_GP2_EINT_MASK 0x0002 /* IM_GP2_EINT */
+#define WM8903_IM_GP2_EINT_SHIFT 1 /* IM_GP2_EINT */
+#define WM8903_IM_GP2_EINT_WIDTH 1 /* IM_GP2_EINT */
+#define WM8903_IM_GP1_EINT 0x0001 /* IM_GP1_EINT */
+#define WM8903_IM_GP1_EINT_MASK 0x0001 /* IM_GP1_EINT */
+#define WM8903_IM_GP1_EINT_SHIFT 0 /* IM_GP1_EINT */
+#define WM8903_IM_GP1_EINT_WIDTH 1 /* IM_GP1_EINT */
+
+/*
+ * R123 (0x7B) - Interrupt Polarity 1
+ */
+#define WM8903_MICSHRT_INV 0x8000 /* MICSHRT_INV */
+#define WM8903_MICSHRT_INV_MASK 0x8000 /* MICSHRT_INV */
+#define WM8903_MICSHRT_INV_SHIFT 15 /* MICSHRT_INV */
+#define WM8903_MICSHRT_INV_WIDTH 1 /* MICSHRT_INV */
+#define WM8903_MICDET_INV 0x4000 /* MICDET_INV */
+#define WM8903_MICDET_INV_MASK 0x4000 /* MICDET_INV */
+#define WM8903_MICDET_INV_SHIFT 14 /* MICDET_INV */
+#define WM8903_MICDET_INV_WIDTH 1 /* MICDET_INV */
+
+/*
+ * R126 (0x7E) - Interrupt Control
+ */
+#define WM8903_IRQ_POL 0x0001 /* IRQ_POL */
+#define WM8903_IRQ_POL_MASK 0x0001 /* IRQ_POL */
+#define WM8903_IRQ_POL_SHIFT 0 /* IRQ_POL */
+#define WM8903_IRQ_POL_WIDTH 1 /* IRQ_POL */
+
+/*
+ * R129 (0x81) - Control Interface Test 1
+ */
+#define WM8903_USER_KEY 0x0002 /* USER_KEY */
+#define WM8903_USER_KEY_MASK 0x0002 /* USER_KEY */
+#define WM8903_USER_KEY_SHIFT 1 /* USER_KEY */
+#define WM8903_USER_KEY_WIDTH 1 /* USER_KEY */
+#define WM8903_TEST_KEY 0x0001 /* TEST_KEY */
+#define WM8903_TEST_KEY_MASK 0x0001 /* TEST_KEY */
+#define WM8903_TEST_KEY_SHIFT 0 /* TEST_KEY */
+#define WM8903_TEST_KEY_WIDTH 1 /* TEST_KEY */
+
+/*
+ * R149 (0x95) - Charge Pump Test 1
+ */
+#define WM8903_CP_SW_KELVIN_MODE_MASK 0x0006 /* CP_SW_KELVIN_MODE - [2:1] */
+#define WM8903_CP_SW_KELVIN_MODE_SHIFT 1 /* CP_SW_KELVIN_MODE - [2:1] */
+#define WM8903_CP_SW_KELVIN_MODE_WIDTH 2 /* CP_SW_KELVIN_MODE - [2:1] */
+
+/*
+ * R164 (0xA4) - Clock Rate Test 4
+ */
+#define WM8903_ADC_DIG_MIC 0x0200 /* ADC_DIG_MIC */
+#define WM8903_ADC_DIG_MIC_MASK 0x0200 /* ADC_DIG_MIC */
+#define WM8903_ADC_DIG_MIC_SHIFT 9 /* ADC_DIG_MIC */
+#define WM8903_ADC_DIG_MIC_WIDTH 1 /* ADC_DIG_MIC */
+
+/*
+ * R172 (0xAC) - Analogue Output Bias 0
+ */
+#define WM8903_PGA_BIAS_MASK 0x0070 /* PGA_BIAS - [6:4] */
+#define WM8903_PGA_BIAS_SHIFT 4 /* PGA_BIAS - [6:4] */
+#define WM8903_PGA_BIAS_WIDTH 3 /* PGA_BIAS - [6:4] */
+
+#endif
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
new file mode 100644
index 0000000..974a4cd
--- /dev/null
+++ b/sound/soc/codecs/wm8971.c
@@ -0,0 +1,942 @@
+/*
+ * wm8971.c -- WM8971 ALSA SoC Audio driver
+ *
+ * Copyright 2005 Lab126, Inc.
+ *
+ * Author: Kenneth Kiraly <kiraly@lab126.com>
+ *
+ * Based on wm8753.c by Liam Girdwood
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8971.h"
+
+#define AUDIO_NAME "wm8971"
+#define WM8971_VERSION "0.9"
+
+#define WM8971_REG_COUNT 43
+
+static struct workqueue_struct *wm8971_workq = NULL;
+
+/* codec private data */
+struct wm8971_priv {
+ unsigned int sysclk;
+};
+
+/*
+ * wm8971 register cache
+ * We can't read the WM8971 register space when we
+ * are using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8971_reg[] = {
+ 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
+ 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
+ 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
+ 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
+ 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
+ 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
+ 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
+ 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
+ 0x0079, 0x0079, 0x0079, /* 40 */
+};
+
+static inline unsigned int wm8971_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg < WM8971_REG_COUNT)
+ return cache[reg];
+
+ return -1;
+}
+
+static inline void wm8971_write_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg < WM8971_REG_COUNT)
+ cache[reg] = value;
+}
+
+static int wm8971_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8753 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8971_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8971_reset(c) wm8971_write(c, WM8971_RESET, 0)
+
+/* WM8971 Controls */
+static const char *wm8971_bass[] = { "Linear Control", "Adaptive Boost" };
+static const char *wm8971_bass_filter[] = { "130Hz @ 48kHz",
+ "200Hz @ 48kHz" };
+static const char *wm8971_treble[] = { "8kHz", "4kHz" };
+static const char *wm8971_alc_func[] = { "Off", "Right", "Left", "Stereo" };
+static const char *wm8971_ng_type[] = { "Constant PGA Gain",
+ "Mute ADC Output" };
+static const char *wm8971_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
+static const char *wm8971_mono_mux[] = {"Stereo", "Mono (Left)",
+ "Mono (Right)", "Digital Mono"};
+static const char *wm8971_dac_phase[] = { "Non Inverted", "Inverted" };
+static const char *wm8971_lline_mux[] = {"Line", "NC", "NC", "PGA",
+ "Differential"};
+static const char *wm8971_rline_mux[] = {"Line", "Mic", "NC", "PGA",
+ "Differential"};
+static const char *wm8971_lpga_sel[] = {"Line", "NC", "NC", "Differential"};
+static const char *wm8971_rpga_sel[] = {"Line", "Mic", "NC", "Differential"};
+static const char *wm8971_adcpol[] = {"Normal", "L Invert", "R Invert",
+ "L + R Invert"};
+
+static const struct soc_enum wm8971_enum[] = {
+ SOC_ENUM_SINGLE(WM8971_BASS, 7, 2, wm8971_bass), /* 0 */
+ SOC_ENUM_SINGLE(WM8971_BASS, 6, 2, wm8971_bass_filter),
+ SOC_ENUM_SINGLE(WM8971_TREBLE, 6, 2, wm8971_treble),
+ SOC_ENUM_SINGLE(WM8971_ALC1, 7, 4, wm8971_alc_func),
+ SOC_ENUM_SINGLE(WM8971_NGATE, 1, 2, wm8971_ng_type), /* 4 */
+ SOC_ENUM_SINGLE(WM8971_ADCDAC, 1, 4, wm8971_deemp),
+ SOC_ENUM_SINGLE(WM8971_ADCTL1, 4, 4, wm8971_mono_mux),
+ SOC_ENUM_SINGLE(WM8971_ADCTL1, 1, 2, wm8971_dac_phase),
+ SOC_ENUM_SINGLE(WM8971_LOUTM1, 0, 5, wm8971_lline_mux), /* 8 */
+ SOC_ENUM_SINGLE(WM8971_ROUTM1, 0, 5, wm8971_rline_mux),
+ SOC_ENUM_SINGLE(WM8971_LADCIN, 6, 4, wm8971_lpga_sel),
+ SOC_ENUM_SINGLE(WM8971_RADCIN, 6, 4, wm8971_rpga_sel),
+ SOC_ENUM_SINGLE(WM8971_ADCDAC, 5, 4, wm8971_adcpol), /* 12 */
+ SOC_ENUM_SINGLE(WM8971_ADCIN, 6, 4, wm8971_mono_mux),
+};
+
+static const struct snd_kcontrol_new wm8971_snd_controls[] = {
+ SOC_DOUBLE_R("Capture Volume", WM8971_LINVOL, WM8971_RINVOL, 0, 63, 0),
+ SOC_DOUBLE_R("Capture ZC Switch", WM8971_LINVOL, WM8971_RINVOL,
+ 6, 1, 0),
+ SOC_DOUBLE_R("Capture Switch", WM8971_LINVOL, WM8971_RINVOL, 7, 1, 1),
+
+ SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8971_LOUT1V,
+ WM8971_ROUT1V, 7, 1, 0),
+ SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8971_LOUT2V,
+ WM8971_ROUT2V, 7, 1, 0),
+ SOC_SINGLE("Mono Playback ZC Switch", WM8971_MOUTV, 7, 1, 0),
+
+ SOC_DOUBLE_R("PCM Volume", WM8971_LDAC, WM8971_RDAC, 0, 255, 0),
+
+ SOC_DOUBLE_R("Bypass Left Playback Volume", WM8971_LOUTM1,
+ WM8971_LOUTM2, 4, 7, 1),
+ SOC_DOUBLE_R("Bypass Right Playback Volume", WM8971_ROUTM1,
+ WM8971_ROUTM2, 4, 7, 1),
+ SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8971_MOUTM1,
+ WM8971_MOUTM2, 4, 7, 1),
+
+ SOC_DOUBLE_R("Headphone Playback Volume", WM8971_LOUT1V,
+ WM8971_ROUT1V, 0, 127, 0),
+ SOC_DOUBLE_R("Speaker Playback Volume", WM8971_LOUT2V,
+ WM8971_ROUT2V, 0, 127, 0),
+
+ SOC_ENUM("Bass Boost", wm8971_enum[0]),
+ SOC_ENUM("Bass Filter", wm8971_enum[1]),
+ SOC_SINGLE("Bass Volume", WM8971_BASS, 0, 7, 1),
+
+ SOC_SINGLE("Treble Volume", WM8971_TREBLE, 0, 7, 0),
+ SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
+
+ SOC_SINGLE("Capture Filter Switch", WM8971_ADCDAC, 0, 1, 1),
+
+ SOC_SINGLE("ALC Target Volume", WM8971_ALC1, 0, 7, 0),
+ SOC_SINGLE("ALC Max Volume", WM8971_ALC1, 4, 7, 0),
+
+ SOC_SINGLE("ALC Capture Target Volume", WM8971_ALC1, 0, 7, 0),
+ SOC_SINGLE("ALC Capture Max Volume", WM8971_ALC1, 4, 7, 0),
+ SOC_ENUM("ALC Capture Function", wm8971_enum[3]),
+ SOC_SINGLE("ALC Capture ZC Switch", WM8971_ALC2, 7, 1, 0),
+ SOC_SINGLE("ALC Capture Hold Time", WM8971_ALC2, 0, 15, 0),
+ SOC_SINGLE("ALC Capture Decay Time", WM8971_ALC3, 4, 15, 0),
+ SOC_SINGLE("ALC Capture Attack Time", WM8971_ALC3, 0, 15, 0),
+ SOC_SINGLE("ALC Capture NG Threshold", WM8971_NGATE, 3, 31, 0),
+ SOC_ENUM("ALC Capture NG Type", wm8971_enum[4]),
+ SOC_SINGLE("ALC Capture NG Switch", WM8971_NGATE, 0, 1, 0),
+
+ SOC_SINGLE("Capture 6dB Attenuate", WM8971_ADCDAC, 8, 1, 0),
+ SOC_SINGLE("Playback 6dB Attenuate", WM8971_ADCDAC, 7, 1, 0),
+
+ SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
+ SOC_ENUM("Playback Function", wm8971_enum[6]),
+ SOC_ENUM("Playback Phase", wm8971_enum[7]),
+
+ SOC_DOUBLE_R("Mic Boost", WM8971_LADCIN, WM8971_RADCIN, 4, 3, 0),
+};
+
+/* add non-DAPM controls */
+static int wm8971_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8971_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8971_snd_controls[i],
+ codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/*
+ * DAPM Controls
+ */
+
+/* Left Mixer */
+static const struct snd_kcontrol_new wm8971_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("Playback Switch", WM8971_LOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_LOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8971_LOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_LOUTM2, 7, 1, 0),
+};
+
+/* Right Mixer */
+static const struct snd_kcontrol_new wm8971_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8971_ROUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_ROUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Playback Switch", WM8971_ROUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_ROUTM2, 7, 1, 0),
+};
+
+/* Mono Mixer */
+static const struct snd_kcontrol_new wm8971_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8971_MOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_MOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8971_MOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_MOUTM2, 7, 1, 0),
+};
+
+/* Left Line Mux */
+static const struct snd_kcontrol_new wm8971_left_line_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[8]);
+
+/* Right Line Mux */
+static const struct snd_kcontrol_new wm8971_right_line_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[9]);
+
+/* Left PGA Mux */
+static const struct snd_kcontrol_new wm8971_left_pga_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[10]);
+
+/* Right PGA Mux */
+static const struct snd_kcontrol_new wm8971_right_pga_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[11]);
+
+/* Mono ADC Mux */
+static const struct snd_kcontrol_new wm8971_monomux_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[13]);
+
+static const struct snd_soc_dapm_widget wm8971_dapm_widgets[] = {
+ SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8971_left_mixer_controls[0],
+ ARRAY_SIZE(wm8971_left_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8971_right_mixer_controls[0],
+ ARRAY_SIZE(wm8971_right_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Mono Mixer", WM8971_PWR2, 2, 0,
+ &wm8971_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8971_mono_mixer_controls)),
+
+ SND_SOC_DAPM_PGA("Right Out 2", WM8971_PWR2, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 2", WM8971_PWR2, 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Out 1", WM8971_PWR2, 5, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 1", WM8971_PWR2, 6, 0, NULL, 0),
+ SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8971_PWR2, 7, 0),
+ SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8971_PWR2, 8, 0),
+ SND_SOC_DAPM_PGA("Mono Out 1", WM8971_PWR2, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_MICBIAS("Mic Bias", WM8971_PWR1, 1, 0),
+ SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8971_PWR1, 2, 0),
+ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8971_PWR1, 3, 0),
+
+ SND_SOC_DAPM_MUX("Left PGA Mux", WM8971_PWR1, 5, 0,
+ &wm8971_left_pga_controls),
+ SND_SOC_DAPM_MUX("Right PGA Mux", WM8971_PWR1, 4, 0,
+ &wm8971_right_pga_controls),
+ SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_left_line_controls),
+ SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_right_line_controls),
+
+ SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_monomux_controls),
+ SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_monomux_controls),
+
+ SND_SOC_DAPM_OUTPUT("LOUT1"),
+ SND_SOC_DAPM_OUTPUT("ROUT1"),
+ SND_SOC_DAPM_OUTPUT("LOUT2"),
+ SND_SOC_DAPM_OUTPUT("ROUT2"),
+ SND_SOC_DAPM_OUTPUT("MONO"),
+
+ SND_SOC_DAPM_INPUT("LINPUT1"),
+ SND_SOC_DAPM_INPUT("RINPUT1"),
+ SND_SOC_DAPM_INPUT("MIC"),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ /* left mixer */
+ {"Left Mixer", "Playback Switch", "Left DAC"},
+ {"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Left Mixer", "Right Playback Switch", "Right DAC"},
+ {"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* right mixer */
+ {"Right Mixer", "Left Playback Switch", "Left DAC"},
+ {"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Right Mixer", "Playback Switch", "Right DAC"},
+ {"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* left out 1 */
+ {"Left Out 1", NULL, "Left Mixer"},
+ {"LOUT1", NULL, "Left Out 1"},
+
+ /* left out 2 */
+ {"Left Out 2", NULL, "Left Mixer"},
+ {"LOUT2", NULL, "Left Out 2"},
+
+ /* right out 1 */
+ {"Right Out 1", NULL, "Right Mixer"},
+ {"ROUT1", NULL, "Right Out 1"},
+
+ /* right out 2 */
+ {"Right Out 2", NULL, "Right Mixer"},
+ {"ROUT2", NULL, "Right Out 2"},
+
+ /* mono mixer */
+ {"Mono Mixer", "Left Playback Switch", "Left DAC"},
+ {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Mono Mixer", "Right Playback Switch", "Right DAC"},
+ {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* mono out */
+ {"Mono Out", NULL, "Mono Mixer"},
+ {"MONO1", NULL, "Mono Out"},
+
+ /* Left Line Mux */
+ {"Left Line Mux", "Line", "LINPUT1"},
+ {"Left Line Mux", "PGA", "Left PGA Mux"},
+ {"Left Line Mux", "Differential", "Differential Mux"},
+
+ /* Right Line Mux */
+ {"Right Line Mux", "Line", "RINPUT1"},
+ {"Right Line Mux", "Mic", "MIC"},
+ {"Right Line Mux", "PGA", "Right PGA Mux"},
+ {"Right Line Mux", "Differential", "Differential Mux"},
+
+ /* Left PGA Mux */
+ {"Left PGA Mux", "Line", "LINPUT1"},
+ {"Left PGA Mux", "Differential", "Differential Mux"},
+
+ /* Right PGA Mux */
+ {"Right PGA Mux", "Line", "RINPUT1"},
+ {"Right PGA Mux", "Differential", "Differential Mux"},
+
+ /* Differential Mux */
+ {"Differential Mux", "Line", "LINPUT1"},
+ {"Differential Mux", "Line", "RINPUT1"},
+
+ /* Left ADC Mux */
+ {"Left ADC Mux", "Stereo", "Left PGA Mux"},
+ {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
+ {"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
+
+ /* Right ADC Mux */
+ {"Right ADC Mux", "Stereo", "Right PGA Mux"},
+ {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
+ {"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
+
+ /* ADC */
+ {"Left ADC", NULL, "Left ADC Mux"},
+ {"Right ADC", NULL, "Right ADC Mux"},
+};
+
+static int wm8971_add_widgets(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_new_controls(codec, wm8971_dapm_widgets,
+ ARRAY_SIZE(wm8971_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_new_widgets(codec);
+
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:5;
+ u8 usb:1;
+};
+
+/* codec hifi mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 8k */
+ {12288000, 8000, 1536, 0x6, 0x0},
+ {11289600, 8000, 1408, 0x16, 0x0},
+ {18432000, 8000, 2304, 0x7, 0x0},
+ {16934400, 8000, 2112, 0x17, 0x0},
+ {12000000, 8000, 1500, 0x6, 0x1},
+
+ /* 11.025k */
+ {11289600, 11025, 1024, 0x18, 0x0},
+ {16934400, 11025, 1536, 0x19, 0x0},
+ {12000000, 11025, 1088, 0x19, 0x1},
+
+ /* 16k */
+ {12288000, 16000, 768, 0xa, 0x0},
+ {18432000, 16000, 1152, 0xb, 0x0},
+ {12000000, 16000, 750, 0xa, 0x1},
+
+ /* 22.05k */
+ {11289600, 22050, 512, 0x1a, 0x0},
+ {16934400, 22050, 768, 0x1b, 0x0},
+ {12000000, 22050, 544, 0x1b, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0xc, 0x0},
+ {18432000, 32000, 576, 0xd, 0x0},
+ {12000000, 32000, 375, 0xa, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x10, 0x0},
+ {16934400, 44100, 384, 0x11, 0x0},
+ {12000000, 44100, 272, 0x11, 0x1},
+
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0},
+ {18432000, 48000, 384, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0x1e, 0x0},
+ {16934400, 88200, 192, 0x1f, 0x0},
+ {12000000, 88200, 136, 0x1f, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0xe, 0x0},
+ {18432000, 96000, 192, 0xf, 0x0},
+ {12000000, 96000, 125, 0xe, 0x1},
+};
+
+static int get_coeff(int mclk, int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+ if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+ return i;
+ }
+ return -EINVAL;
+}
+
+static int wm8971_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8971_priv *wm8971 = codec->private_data;
+
+ switch (freq) {
+ case 11289600:
+ case 12000000:
+ case 12288000:
+ case 16934400:
+ case 18432000:
+ wm8971->sysclk = freq;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int wm8971_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 iface = 0;
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface = 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wm8971_write(codec, WM8971_IFACE, iface);
+ return 0;
+}
+
+static int wm8971_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm8971_priv *wm8971 = codec->private_data;
+ u16 iface = wm8971_read_reg_cache(codec, WM8971_IFACE) & 0x1f3;
+ u16 srate = wm8971_read_reg_cache(codec, WM8971_SRATE) & 0x1c0;
+ int coeff = get_coeff(wm8971->sysclk, params_rate(params));
+
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ iface |= 0x0008;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ iface |= 0x000c;
+ break;
+ }
+
+ /* set iface & srate */
+ wm8971_write(codec, WM8971_IFACE, iface);
+ if (coeff >= 0)
+ wm8971_write(codec, WM8971_SRATE, srate |
+ (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
+
+ return 0;
+}
+
+static int wm8971_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 mute_reg = wm8971_read_reg_cache(codec, WM8971_ADCDAC) & 0xfff7;
+
+ if (mute)
+ wm8971_write(codec, WM8971_ADCDAC, mute_reg | 0x8);
+ else
+ wm8971_write(codec, WM8971_ADCDAC, mute_reg);
+ return 0;
+}
+
+static int wm8971_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ u16 pwr_reg = wm8971_read_reg_cache(codec, WM8971_PWR1) & 0xfe3e;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ /* set vmid to 50k and unmute dac */
+ wm8971_write(codec, WM8971_PWR1, pwr_reg | 0x00c1);
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ /* mute dac and set vmid to 500k, enable VREF */
+ wm8971_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
+ break;
+ case SND_SOC_BIAS_OFF:
+ wm8971_write(codec, WM8971_PWR1, 0x0001);
+ break;
+ }
+ codec->bias_level = level;
+ return 0;
+}
+
+#define WM8971_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define WM8971_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+struct snd_soc_dai wm8971_dai = {
+ .name = "WM8971",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8971_RATES,
+ .formats = WM8971_FORMATS,},
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8971_RATES,
+ .formats = WM8971_FORMATS,},
+ .ops = {
+ .hw_params = wm8971_pcm_hw_params,
+ },
+ .dai_ops = {
+ .digital_mute = wm8971_mute,
+ .set_fmt = wm8971_set_dai_fmt,
+ .set_sysclk = wm8971_set_dai_sysclk,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8971_dai);
+
+static void wm8971_work(struct work_struct *work)
+{
+ struct snd_soc_codec *codec =
+ container_of(work, struct snd_soc_codec, delayed_work.work);
+ wm8971_set_bias_level(codec, codec->bias_level);
+}
+
+static int wm8971_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
+}
+
+static int wm8971_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+ u16 reg;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8971_reg); i++) {
+ if (i + 1 == WM8971_RESET)
+ continue;
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+
+ wm8971_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ /* charge wm8971 caps */
+ if (codec->suspend_bias_level == SND_SOC_BIAS_ON) {
+ reg = wm8971_read_reg_cache(codec, WM8971_PWR1) & 0xfe3e;
+ wm8971_write(codec, WM8971_PWR1, reg | 0x01c0);
+ codec->bias_level = SND_SOC_BIAS_ON;
+ queue_delayed_work(wm8971_workq, &codec->delayed_work,
+ msecs_to_jiffies(1000));
+ }
+
+ return 0;
+}
+
+static int wm8971_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8971";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8971_read_reg_cache;
+ codec->write = wm8971_write;
+ codec->set_bias_level = wm8971_set_bias_level;
+ codec->dai = &wm8971_dai;
+ codec->reg_cache_size = ARRAY_SIZE(wm8971_reg);
+ codec->num_dai = 1;
+ codec->reg_cache = kmemdup(wm8971_reg, sizeof(wm8971_reg), GFP_KERNEL);
+
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+
+ wm8971_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8971: failed to create pcms\n");
+ goto pcm_err;
+ }
+
+ /* charge output caps - set vmid to 5k for quick power up */
+ reg = wm8971_read_reg_cache(codec, WM8971_PWR1) & 0xfe3e;
+ wm8971_write(codec, WM8971_PWR1, reg | 0x01c0);
+ codec->bias_level = SND_SOC_BIAS_STANDBY;
+ queue_delayed_work(wm8971_workq, &codec->delayed_work,
+ msecs_to_jiffies(1000));
+
+ /* set the update bits */
+ reg = wm8971_read_reg_cache(codec, WM8971_LDAC);
+ wm8971_write(codec, WM8971_LDAC, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_RDAC);
+ wm8971_write(codec, WM8971_RDAC, reg | 0x0100);
+
+ reg = wm8971_read_reg_cache(codec, WM8971_LOUT1V);
+ wm8971_write(codec, WM8971_LOUT1V, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_ROUT1V);
+ wm8971_write(codec, WM8971_ROUT1V, reg | 0x0100);
+
+ reg = wm8971_read_reg_cache(codec, WM8971_LOUT2V);
+ wm8971_write(codec, WM8971_LOUT2V, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_ROUT2V);
+ wm8971_write(codec, WM8971_ROUT2V, reg | 0x0100);
+
+ reg = wm8971_read_reg_cache(codec, WM8971_LINVOL);
+ wm8971_write(codec, WM8971_LINVOL, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_RINVOL);
+ wm8971_write(codec, WM8971_RINVOL, reg | 0x0100);
+
+ wm8971_add_controls(codec);
+ wm8971_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8971: failed to register card\n");
+ goto card_err;
+ }
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ kfree(codec->reg_cache);
+ return ret;
+}
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static struct snd_soc_device *wm8971_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+static int wm8971_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct snd_soc_device *socdev = wm8971_socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret;
+
+ i2c_set_clientdata(i2c, codec);
+
+ codec->control_data = i2c;
+
+ ret = wm8971_init(socdev);
+ if (ret < 0)
+ pr_err("failed to initialise WM8971\n");
+
+ return ret;
+}
+
+static int wm8971_i2c_remove(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ kfree(codec->reg_cache);
+ return 0;
+}
+
+static const struct i2c_device_id wm8971_i2c_id[] = {
+ { "wm8971", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8971_i2c_id);
+
+static struct i2c_driver wm8971_i2c_driver = {
+ .driver = {
+ .name = "WM8971 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8971_i2c_probe,
+ .remove = wm8971_i2c_remove,
+ .id_table = wm8971_i2c_id,
+};
+
+static int wm8971_add_i2c_device(struct platform_device *pdev,
+ const struct wm8971_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&wm8971_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "wm8971", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&wm8971_i2c_driver);
+ return -ENODEV;
+}
+
+#endif
+
+static int wm8971_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8971_setup_data *setup;
+ struct snd_soc_codec *codec;
+ struct wm8971_priv *wm8971;
+ int ret = 0;
+
+ pr_info("WM8971 Audio Codec %s", WM8971_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ wm8971 = kzalloc(sizeof(struct wm8971_priv), GFP_KERNEL);
+ if (wm8971 == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+
+ codec->private_data = wm8971;
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+ wm8971_socdev = socdev;
+
+ INIT_DELAYED_WORK(&codec->delayed_work, wm8971_work);
+ wm8971_workq = create_workqueue("wm8971");
+ if (wm8971_workq == NULL) {
+ kfree(codec->private_data);
+ kfree(codec);
+ return -ENOMEM;
+ }
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = wm8971_add_i2c_device(pdev, setup);
+ }
+#endif
+ /* Add other interfaces here */
+
+ if (ret != 0) {
+ destroy_workqueue(wm8971_workq);
+ kfree(codec->private_data);
+ kfree(codec);
+ }
+
+ return ret;
+}
+
+/* power down chip */
+static int wm8971_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ if (wm8971_workq)
+ destroy_workqueue(wm8971_workq);
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
+ i2c_del_driver(&wm8971_i2c_driver);
+#endif
+ kfree(codec->private_data);
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8971 = {
+ .probe = wm8971_probe,
+ .remove = wm8971_remove,
+ .suspend = wm8971_suspend,
+ .resume = wm8971_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8971);
+
+MODULE_DESCRIPTION("ASoC WM8971 driver");
+MODULE_AUTHOR("Lab126");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wm8971.h b/sound/soc/codecs/wm8971.h
new file mode 100644
index 0000000..ef4f08f
--- /dev/null
+++ b/sound/soc/codecs/wm8971.h
@@ -0,0 +1,64 @@
+/*
+ * wm8971.h -- audio driver for WM8971
+ *
+ * Copyright 2005 Lab126, Inc.
+ *
+ * Author: Kenneth Kiraly <kiraly@lab126.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef _WM8971_H
+#define _WM8971_H
+
+#define WM8971_LINVOL 0x00
+#define WM8971_RINVOL 0x01
+#define WM8971_LOUT1V 0x02
+#define WM8971_ROUT1V 0x03
+#define WM8971_ADCDAC 0x05
+#define WM8971_IFACE 0x07
+#define WM8971_SRATE 0x08
+#define WM8971_LDAC 0x0a
+#define WM8971_RDAC 0x0b
+#define WM8971_BASS 0x0c
+#define WM8971_TREBLE 0x0d
+#define WM8971_RESET 0x0f
+#define WM8971_ALC1 0x11
+#define WM8971_ALC2 0x12
+#define WM8971_ALC3 0x13
+#define WM8971_NGATE 0x14
+#define WM8971_LADC 0x15
+#define WM8971_RADC 0x16
+#define WM8971_ADCTL1 0x17
+#define WM8971_ADCTL2 0x18
+#define WM8971_PWR1 0x19
+#define WM8971_PWR2 0x1a
+#define WM8971_ADCTL3 0x1b
+#define WM8971_ADCIN 0x1f
+#define WM8971_LADCIN 0x20
+#define WM8971_RADCIN 0x21
+#define WM8971_LOUTM1 0x22
+#define WM8971_LOUTM2 0x23
+#define WM8971_ROUTM1 0x24
+#define WM8971_ROUTM2 0x25
+#define WM8971_MOUTM1 0x26
+#define WM8971_MOUTM2 0x27
+#define WM8971_LOUT2V 0x28
+#define WM8971_ROUT2V 0x29
+#define WM8971_MOUTV 0x2A
+
+#define WM8971_SYSCLK 0
+
+struct wm8971_setup_data {
+ int i2c_bus;
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_dai wm8971_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8971;
+
+#endif
diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c
index dd995ef..63410d7 100644
--- a/sound/soc/codecs/wm8990.c
+++ b/sound/soc/codecs/wm8990.c
@@ -1477,81 +1477,86 @@ static struct snd_soc_device *wm8990_socdev;
* low = 0x34
* high = 0x36
*/
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver wm8990_i2c_driver;
-static struct i2c_client client_template;
-
-static int wm8990_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int wm8990_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = wm8990_socdev;
- struct wm8990_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- pr_err("failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = wm8990_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
pr_err("failed to initialise WM8990\n");
- goto err;
- }
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int wm8990_i2c_detach(struct i2c_client *client)
+static int wm8990_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int wm8990_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, wm8990_codec_probe);
-}
+static const struct i2c_device_id wm8990_i2c_id[] = {
+ { "wm8990", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
static struct i2c_driver wm8990_i2c_driver = {
.driver = {
.name = "WM8990 I2C Codec",
.owner = THIS_MODULE,
},
- .attach_adapter = wm8990_i2c_attach,
- .detach_client = wm8990_i2c_detach,
- .command = NULL,
+ .probe = wm8990_i2c_probe,
+ .remove = wm8990_i2c_remove,
+ .id_table = wm8990_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "WM8990",
- .driver = &wm8990_i2c_driver,
-};
+static int wm8990_add_i2c_device(struct platform_device *pdev,
+ const struct wm8990_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&wm8990_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add i2c driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = setup->i2c_address;
+ strlcpy(info.type, "wm8990", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(setup->i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n",
+ setup->i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ return 0;
+
+err_driver:
+ i2c_del_driver(&wm8990_i2c_driver);
+ return -ENODEV;
+}
#endif
static int wm8990_probe(struct platform_device *pdev)
@@ -1560,7 +1565,7 @@ static int wm8990_probe(struct platform_device *pdev)
struct wm8990_setup_data *setup;
struct snd_soc_codec *codec;
struct wm8990_priv *wm8990;
- int ret = 0;
+ int ret;
pr_info("WM8990 Audio Codec %s\n", WM8990_VERSION);
@@ -1582,16 +1587,13 @@ static int wm8990_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&codec->dapm_paths);
wm8990_socdev = socdev;
+ ret = -ENODEV;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
- ret = i2c_add_driver(&wm8990_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ ret = wm8990_add_i2c_device(pdev, setup);
}
-#else
- /* Add other interfaces here */
#endif
if (ret != 0) {
@@ -1612,6 +1614,7 @@ static int wm8990_remove(struct platform_device *pdev)
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&wm8990_i2c_driver);
#endif
kfree(codec->private_data);
diff --git a/sound/soc/codecs/wm8990.h b/sound/soc/codecs/wm8990.h
index 0a08325..0e192f3 100644
--- a/sound/soc/codecs/wm8990.h
+++ b/sound/soc/codecs/wm8990.h
@@ -827,6 +827,7 @@
#define WM8990_AINRMUX_PWR_BIT 3
struct wm8990_setup_data {
+ unsigned i2c_bus;
unsigned short i2c_address;
};
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c
index 38d1fe0..441d058 100644
--- a/sound/soc/codecs/wm9713.c
+++ b/sound/soc/codecs/wm9713.c
@@ -419,8 +419,12 @@ SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1),
SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
-SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_EXTENDED_MID, 5, 1),
-SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_EXTENDED_MID, 4, 1),
+SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
+SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
@@ -583,9 +587,13 @@ static const struct snd_soc_dapm_route audio_map[] = {
/* left ADC */
{"Left ADC", NULL, "Left Capture Source"},
+ {"Left Voice ADC", NULL, "Left ADC"},
+ {"Left HiFi ADC", NULL, "Left ADC"},
/* right ADC */
{"Right ADC", NULL, "Right Capture Source"},
+ {"Right Voice ADC", NULL, "Right ADC"},
+ {"Right HiFi ADC", NULL, "Right ADC"},
/* mic */
{"Mic A Pre Amp", NULL, "Mic A Source"},
@@ -949,17 +957,17 @@ static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
static void wm9713_voiceshutdown(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
- u16 status;
-
- /* Gracefully shut down the voice interface. */
- status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;
- ac97_write(codec, AC97_HANDSET_RATE, 0x0280);
- schedule_timeout_interruptible(msecs_to_jiffies(1));
- ac97_write(codec, AC97_HANDSET_RATE, 0x0F80);
- ac97_write(codec, AC97_EXTENDED_MID, status);
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 status;
+
+ /* Gracefully shut down the voice interface. */
+ status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;
+ ac97_write(codec, AC97_HANDSET_RATE, 0x0280);
+ schedule_timeout_interruptible(msecs_to_jiffies(1));
+ ac97_write(codec, AC97_HANDSET_RATE, 0x0F80);
+ ac97_write(codec, AC97_EXTENDED_MID, status);
}
static int ac97_hifi_prepare(struct snd_pcm_substream *substream)
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index 65fdbd8..9e6062c 100644
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -1,7 +1,7 @@
/*
* ASoC driver for TI DAVINCI EVM platform
*
- * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -136,6 +136,7 @@ static struct snd_soc_machine snd_soc_machine_evm = {
/* evm audio private data */
static struct aic3x_setup_data evm_aic3x_setup = {
+ .i2c_bus = 0,
.i2c_address = 0x1b,
};
diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index 5ebf1ff..abb5fed 100644
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -1,7 +1,7 @@
/*
* ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor
*
- * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -256,7 +256,7 @@ static int davinci_i2s_hw_params(struct snd_pcm_substream *substream,
mcbsp_word_length = DAVINCI_MCBSP_WORD_32;
break;
default:
- printk(KERN_WARNING "davinci-i2s: unsupported PCM format");
+ printk(KERN_WARNING "davinci-i2s: unsupported PCM format\n");
return -EINVAL;
}
diff --git a/sound/soc/davinci/davinci-i2s.h b/sound/soc/davinci/davinci-i2s.h
index c5b0918..241648c 100644
--- a/sound/soc/davinci/davinci-i2s.h
+++ b/sound/soc/davinci/davinci-i2s.h
@@ -1,7 +1,7 @@
/*
* ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor
*
- * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index 6a5e56a..76feaa6 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -1,7 +1,7 @@
/*
* ALSA PCM interface for the TI DAVINCI processor
*
- * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
diff --git a/sound/soc/davinci/davinci-pcm.h b/sound/soc/davinci/davinci-pcm.h
index 8d6a45e..62cb4eb 100644
--- a/sound/soc/davinci/davinci-pcm.h
+++ b/sound/soc/davinci/davinci-pcm.h
@@ -1,7 +1,7 @@
/*
* ALSA PCM interface for the TI DAVINCI processor
*
- * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 3368ace..bba9546 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -1,3 +1,6 @@
+config SND_SOC_OF_SIMPLE
+ tristate
+
config SND_SOC_MPC8610
bool "ALSA SoC support for the MPC8610 SOC"
depends on MPC8610_HPCD
@@ -14,3 +17,10 @@ config SND_SOC_MPC8610_HPCD
default y if MPC8610_HPCD
help
Say Y if you want to enable audio on the Freescale MPC8610 HPCD.
+
+config SND_SOC_MPC5200_I2S
+ tristate "Freescale MPC5200 PSC in I2S mode driver"
+ select SND_SOC_OF_SIMPLE
+ depends on SND_SOC && PPC_MPC52xx
+ help
+ Say Y here to support the MPC5200 PSCs in I2S mode.
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index 62f680a..035da4a 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -1,6 +1,11 @@
+# Simple machine driver that extracts configuration from the OF device tree
+obj-$(CONFIG_SND_SOC_OF_SIMPLE) += soc-of-simple.o
+
# MPC8610 HPCD Machine Support
obj-$(CONFIG_SND_SOC_MPC8610_HPCD) += mpc8610_hpcd.o
# MPC8610 Platform Support
obj-$(CONFIG_SND_SOC_MPC8610) += fsl_ssi.o fsl_dma.o
+obj-$(CONFIG_SND_SOC_MPC5200_I2S) += mpc5200_psc_i2s.o
+
diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c
new file mode 100644
index 0000000..8692329
--- /dev/null
+++ b/sound/soc/fsl/mpc5200_psc_i2s.c
@@ -0,0 +1,884 @@
+/*
+ * Freescale MPC5200 PSC in I2S mode
+ * ALSA SoC Digital Audio Interface (DAI) driver
+ *
+ * Copyright (C) 2008 Secret Lab Technologies Ltd.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <sound/soc-of-simple.h>
+
+#include <sysdev/bestcomm/bestcomm.h>
+#include <sysdev/bestcomm/gen_bd.h>
+#include <asm/mpc52xx_psc.h>
+
+MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
+MODULE_DESCRIPTION("Freescale MPC5200 PSC in I2S mode ASoC Driver");
+MODULE_LICENSE("GPL");
+
+/**
+ * PSC_I2S_RATES: sample rates supported by the I2S
+ *
+ * This driver currently only supports the PSC running in I2S slave mode,
+ * which means the codec determines the sample rate. Therefore, we tell
+ * ALSA that we support all rates and let the codec driver decide what rates
+ * are really supported.
+ */
+#define PSC_I2S_RATES (SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_192000 | \
+ SNDRV_PCM_RATE_CONTINUOUS)
+
+/**
+ * PSC_I2S_FORMATS: audio formats supported by the PSC I2S mode
+ */
+#define PSC_I2S_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE | \
+ SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S24_BE | \
+ SNDRV_PCM_FMTBIT_S32_BE)
+
+/**
+ * psc_i2s_stream - Data specific to a single stream (playback or capture)
+ * @active: flag indicating if the stream is active
+ * @psc_i2s: pointer back to parent psc_i2s data structure
+ * @bcom_task: bestcomm task structure
+ * @irq: irq number for bestcomm task
+ * @period_start: physical address of start of DMA region
+ * @period_end: physical address of end of DMA region
+ * @period_next_pt: physical address of next DMA buffer to enqueue
+ * @period_bytes: size of DMA period in bytes
+ */
+struct psc_i2s_stream {
+ int active;
+ struct psc_i2s *psc_i2s;
+ struct bcom_task *bcom_task;
+ int irq;
+ struct snd_pcm_substream *stream;
+ dma_addr_t period_start;
+ dma_addr_t period_end;
+ dma_addr_t period_next_pt;
+ dma_addr_t period_current_pt;
+ int period_bytes;
+};
+
+/**
+ * psc_i2s - Private driver data
+ * @name: short name for this device ("PSC0", "PSC1", etc)
+ * @psc_regs: pointer to the PSC's registers
+ * @fifo_regs: pointer to the PSC's FIFO registers
+ * @irq: IRQ of this PSC
+ * @dev: struct device pointer
+ * @dai: the CPU DAI for this device
+ * @sicr: Base value used in serial interface control register; mode is ORed
+ * with this value.
+ * @playback: Playback stream context data
+ * @capture: Capture stream context data
+ */
+struct psc_i2s {
+ char name[32];
+ struct mpc52xx_psc __iomem *psc_regs;
+ struct mpc52xx_psc_fifo __iomem *fifo_regs;
+ unsigned int irq;
+ struct device *dev;
+ struct snd_soc_dai dai;
+ spinlock_t lock;
+ u32 sicr;
+
+ /* per-stream data */
+ struct psc_i2s_stream playback;
+ struct psc_i2s_stream capture;
+
+ /* Statistics */
+ struct {
+ int overrun_count;
+ int underrun_count;
+ } stats;
+};
+
+/*
+ * Interrupt handlers
+ */
+static irqreturn_t psc_i2s_status_irq(int irq, void *_psc_i2s)
+{
+ struct psc_i2s *psc_i2s = _psc_i2s;
+ struct mpc52xx_psc __iomem *regs = psc_i2s->psc_regs;
+ u16 isr;
+
+ isr = in_be16(&regs->mpc52xx_psc_isr);
+
+ /* Playback underrun error */
+ if (psc_i2s->playback.active && (isr & MPC52xx_PSC_IMR_TXEMP))
+ psc_i2s->stats.underrun_count++;
+
+ /* Capture overrun error */
+ if (psc_i2s->capture.active && (isr & MPC52xx_PSC_IMR_ORERR))
+ psc_i2s->stats.overrun_count++;
+
+ out_8(&regs->command, 4 << 4); /* reset the error status */
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * psc_i2s_bcom_enqueue_next_buffer - Enqueue another audio buffer
+ * @s: pointer to stream private data structure
+ *
+ * Enqueues another audio period buffer into the bestcomm queue.
+ *
+ * Note: The routine must only be called when there is space available in
+ * the queue. Otherwise the enqueue will fail and the audio ring buffer
+ * will get out of sync
+ */
+static void psc_i2s_bcom_enqueue_next_buffer(struct psc_i2s_stream *s)
+{
+ struct bcom_bd *bd;
+
+ /* Prepare and enqueue the next buffer descriptor */
+ bd = bcom_prepare_next_buffer(s->bcom_task);
+ bd->status = s->period_bytes;
+ bd->data[0] = s->period_next_pt;
+ bcom_submit_next_buffer(s->bcom_task, NULL);
+
+ /* Update for next period */
+ s->period_next_pt += s->period_bytes;
+ if (s->period_next_pt >= s->period_end)
+ s->period_next_pt = s->period_start;
+}
+
+/* Bestcomm DMA irq handler */
+static irqreturn_t psc_i2s_bcom_irq(int irq, void *_psc_i2s_stream)
+{
+ struct psc_i2s_stream *s = _psc_i2s_stream;
+
+ /* For each finished period, dequeue the completed period buffer
+ * and enqueue a new one in it's place. */
+ while (bcom_buffer_done(s->bcom_task)) {
+ bcom_retrieve_buffer(s->bcom_task, NULL, NULL);
+ s->period_current_pt += s->period_bytes;
+ if (s->period_current_pt >= s->period_end)
+ s->period_current_pt = s->period_start;
+ psc_i2s_bcom_enqueue_next_buffer(s);
+ bcom_enable(s->bcom_task);
+ }
+
+ /* If the stream is active, then also inform the PCM middle layer
+ * of the period finished event. */
+ if (s->active)
+ snd_pcm_period_elapsed(s->stream);
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * psc_i2s_startup: create a new substream
+ *
+ * This is the first function called when a stream is opened.
+ *
+ * If this is the first stream open, then grab the IRQ and program most of
+ * the PSC registers.
+ */
+static int psc_i2s_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
+ int rc;
+
+ dev_dbg(psc_i2s->dev, "psc_i2s_startup(substream=%p)\n", substream);
+
+ if (!psc_i2s->playback.active &&
+ !psc_i2s->capture.active) {
+ /* Setup the IRQs */
+ rc = request_irq(psc_i2s->irq, &psc_i2s_status_irq, IRQF_SHARED,
+ "psc-i2s-status", psc_i2s);
+ rc |= request_irq(psc_i2s->capture.irq,
+ &psc_i2s_bcom_irq, IRQF_SHARED,
+ "psc-i2s-capture", &psc_i2s->capture);
+ rc |= request_irq(psc_i2s->playback.irq,
+ &psc_i2s_bcom_irq, IRQF_SHARED,
+ "psc-i2s-playback", &psc_i2s->playback);
+ if (rc) {
+ free_irq(psc_i2s->irq, psc_i2s);
+ free_irq(psc_i2s->capture.irq,
+ &psc_i2s->capture);
+ free_irq(psc_i2s->playback.irq,
+ &psc_i2s->playback);
+ return -ENODEV;
+ }
+ }
+
+ return 0;
+}
+
+static int psc_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
+ u32 mode;
+
+ dev_dbg(psc_i2s->dev, "%s(substream=%p) p_size=%i p_bytes=%i"
+ " periods=%i buffer_size=%i buffer_bytes=%i\n",
+ __func__, substream, params_period_size(params),
+ params_period_bytes(params), params_periods(params),
+ params_buffer_size(params), params_buffer_bytes(params));
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S8:
+ mode = MPC52xx_PSC_SICR_SIM_CODEC_8;
+ break;
+ case SNDRV_PCM_FORMAT_S16_BE:
+ mode = MPC52xx_PSC_SICR_SIM_CODEC_16;
+ break;
+ case SNDRV_PCM_FORMAT_S24_BE:
+ mode = MPC52xx_PSC_SICR_SIM_CODEC_24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_BE:
+ mode = MPC52xx_PSC_SICR_SIM_CODEC_32;
+ break;
+ default:
+ dev_dbg(psc_i2s->dev, "invalid format\n");
+ return -EINVAL;
+ }
+ out_be32(&psc_i2s->psc_regs->sicr, psc_i2s->sicr | mode);
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+
+ return 0;
+}
+
+static int psc_i2s_hw_free(struct snd_pcm_substream *substream)
+{
+ snd_pcm_set_runtime_buffer(substream, NULL);
+ return 0;
+}
+
+/**
+ * psc_i2s_trigger: start and stop the DMA transfer.
+ *
+ * This function is called by ALSA to start, stop, pause, and resume the DMA
+ * transfer of data.
+ */
+static int psc_i2s_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct psc_i2s_stream *s;
+ struct mpc52xx_psc __iomem *regs = psc_i2s->psc_regs;
+ u16 imr;
+ u8 psc_cmd;
+ long flags;
+
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)
+ s = &psc_i2s->capture;
+ else
+ s = &psc_i2s->playback;
+
+ dev_dbg(psc_i2s->dev, "psc_i2s_trigger(substream=%p, cmd=%i)"
+ " stream_id=%i\n",
+ substream, cmd, substream->pstr->stream);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ s->period_bytes = frames_to_bytes(runtime,
+ runtime->period_size);
+ s->period_start = virt_to_phys(runtime->dma_area);
+ s->period_end = s->period_start +
+ (s->period_bytes * runtime->periods);
+ s->period_next_pt = s->period_start;
+ s->period_current_pt = s->period_start;
+ s->active = 1;
+
+ /* First; reset everything */
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ out_8(&regs->command, MPC52xx_PSC_RST_RX);
+ out_8(&regs->command, MPC52xx_PSC_RST_ERR_STAT);
+ } else {
+ out_8(&regs->command, MPC52xx_PSC_RST_TX);
+ out_8(&regs->command, MPC52xx_PSC_RST_ERR_STAT);
+ }
+
+ /* Next, fill up the bestcomm bd queue and enable DMA.
+ * This will begin filling the PSC's fifo. */
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)
+ bcom_gen_bd_rx_reset(s->bcom_task);
+ else
+ bcom_gen_bd_tx_reset(s->bcom_task);
+ while (!bcom_queue_full(s->bcom_task))
+ psc_i2s_bcom_enqueue_next_buffer(s);
+ bcom_enable(s->bcom_task);
+
+ /* Due to errata in the i2s mode; need to line up enabling
+ * the transmitter with a transition on the frame sync
+ * line */
+
+ spin_lock_irqsave(&psc_i2s->lock, flags);
+ /* first make sure it is low */
+ while ((in_8(&regs->ipcr_acr.ipcr) & 0x80) != 0)
+ ;
+ /* then wait for the transition to high */
+ while ((in_8(&regs->ipcr_acr.ipcr) & 0x80) == 0)
+ ;
+ /* Finally, enable the PSC.
+ * Receiver must always be enabled; even when we only want
+ * transmit. (see 15.3.2.3 of MPC5200B User's Guide) */
+ psc_cmd = MPC52xx_PSC_RX_ENABLE;
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ psc_cmd |= MPC52xx_PSC_TX_ENABLE;
+ out_8(&regs->command, psc_cmd);
+ spin_unlock_irqrestore(&psc_i2s->lock, flags);
+
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ /* Turn off the PSC */
+ s->active = 0;
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ if (!psc_i2s->playback.active) {
+ out_8(&regs->command, 2 << 4); /* reset rx */
+ out_8(&regs->command, 3 << 4); /* reset tx */
+ out_8(&regs->command, 4 << 4); /* reset err */
+ }
+ } else {
+ out_8(&regs->command, 3 << 4); /* reset tx */
+ out_8(&regs->command, 4 << 4); /* reset err */
+ if (!psc_i2s->capture.active)
+ out_8(&regs->command, 2 << 4); /* reset rx */
+ }
+
+ bcom_disable(s->bcom_task);
+ while (!bcom_queue_empty(s->bcom_task))
+ bcom_retrieve_buffer(s->bcom_task, NULL, NULL);
+
+ break;
+
+ default:
+ dev_dbg(psc_i2s->dev, "invalid command\n");
+ return -EINVAL;
+ }
+
+ /* Update interrupt enable settings */
+ imr = 0;
+ if (psc_i2s->playback.active)
+ imr |= MPC52xx_PSC_IMR_TXEMP;
+ if (psc_i2s->capture.active)
+ imr |= MPC52xx_PSC_IMR_ORERR;
+ out_be16(&regs->isr_imr.imr, imr);
+
+ return 0;
+}
+
+/**
+ * psc_i2s_shutdown: shutdown the data transfer on a stream
+ *
+ * Shutdown the PSC if there are no other substreams open.
+ */
+static void psc_i2s_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
+
+ dev_dbg(psc_i2s->dev, "psc_i2s_shutdown(substream=%p)\n", substream);
+
+ /*
+ * If this is the last active substream, disable the PSC and release
+ * the IRQ.
+ */
+ if (!psc_i2s->playback.active &&
+ !psc_i2s->capture.active) {
+
+ /* Disable all interrupts and reset the PSC */
+ out_be16(&psc_i2s->psc_regs->isr_imr.imr, 0);
+ out_8(&psc_i2s->psc_regs->command, 3 << 4); /* reset tx */
+ out_8(&psc_i2s->psc_regs->command, 2 << 4); /* reset rx */
+ out_8(&psc_i2s->psc_regs->command, 1 << 4); /* reset mode */
+ out_8(&psc_i2s->psc_regs->command, 4 << 4); /* reset error */
+
+ /* Release irqs */
+ free_irq(psc_i2s->irq, psc_i2s);
+ free_irq(psc_i2s->capture.irq, &psc_i2s->capture);
+ free_irq(psc_i2s->playback.irq, &psc_i2s->playback);
+ }
+}
+
+/**
+ * psc_i2s_set_sysclk: set the clock frequency and direction
+ *
+ * This function is called by the machine driver to tell us what the clock
+ * frequency and direction are.
+ *
+ * Currently, we only support operating as a clock slave (SND_SOC_CLOCK_IN),
+ * and we don't care about the frequency. Return an error if the direction
+ * is not SND_SOC_CLOCK_IN.
+ *
+ * @clk_id: reserved, should be zero
+ * @freq: the frequency of the given clock ID, currently ignored
+ * @dir: SND_SOC_CLOCK_IN (clock slave) or SND_SOC_CLOCK_OUT (clock master)
+ */
+static int psc_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct psc_i2s *psc_i2s = cpu_dai->private_data;
+ dev_dbg(psc_i2s->dev, "psc_i2s_set_sysclk(cpu_dai=%p, dir=%i)\n",
+ cpu_dai, dir);
+ return (dir == SND_SOC_CLOCK_IN) ? 0 : -EINVAL;
+}
+
+/**
+ * psc_i2s_set_fmt: set the serial format.
+ *
+ * This function is called by the machine driver to tell us what serial
+ * format to use.
+ *
+ * This driver only supports I2S mode. Return an error if the format is
+ * not SND_SOC_DAIFMT_I2S.
+ *
+ * @format: one of SND_SOC_DAIFMT_xxx
+ */
+static int psc_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int format)
+{
+ struct psc_i2s *psc_i2s = cpu_dai->private_data;
+ dev_dbg(psc_i2s->dev, "psc_i2s_set_fmt(cpu_dai=%p, format=%i)\n",
+ cpu_dai, format);
+ return (format == SND_SOC_DAIFMT_I2S) ? 0 : -EINVAL;
+}
+
+/* ---------------------------------------------------------------------
+ * ALSA SoC Bindings
+ *
+ * - Digital Audio Interface (DAI) template
+ * - create/destroy dai hooks
+ */
+
+/**
+ * psc_i2s_dai_template: template CPU Digital Audio Interface
+ */
+static struct snd_soc_dai psc_i2s_dai_template = {
+ .type = SND_SOC_DAI_I2S,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = PSC_I2S_RATES,
+ .formats = PSC_I2S_FORMATS,
+ },
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = PSC_I2S_RATES,
+ .formats = PSC_I2S_FORMATS,
+ },
+ .ops = {
+ .startup = psc_i2s_startup,
+ .hw_params = psc_i2s_hw_params,
+ .hw_free = psc_i2s_hw_free,
+ .shutdown = psc_i2s_shutdown,
+ .trigger = psc_i2s_trigger,
+ },
+ .dai_ops = {
+ .set_sysclk = psc_i2s_set_sysclk,
+ .set_fmt = psc_i2s_set_fmt,
+ },
+};
+
+/* ---------------------------------------------------------------------
+ * The PSC I2S 'ASoC platform' driver
+ *
+ * Can be referenced by an 'ASoC machine' driver
+ * This driver only deals with the audio bus; it doesn't have any
+ * interaction with the attached codec
+ */
+
+static const struct snd_pcm_hardware psc_i2s_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER,
+ .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE |
+ SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE,
+ .rate_min = 8000,
+ .rate_max = 48000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .period_bytes_max = 1024 * 1024,
+ .period_bytes_min = 32,
+ .periods_min = 2,
+ .periods_max = 256,
+ .buffer_bytes_max = 2 * 1024 * 1024,
+ .fifo_size = 0,
+};
+
+static int psc_i2s_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
+ struct psc_i2s_stream *s;
+
+ dev_dbg(psc_i2s->dev, "psc_i2s_pcm_open(substream=%p)\n", substream);
+
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)
+ s = &psc_i2s->capture;
+ else
+ s = &psc_i2s->playback;
+
+ snd_soc_set_runtime_hwparams(substream, &psc_i2s_pcm_hardware);
+
+ s->stream = substream;
+ return 0;
+}
+
+static int psc_i2s_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
+ struct psc_i2s_stream *s;
+
+ dev_dbg(psc_i2s->dev, "psc_i2s_pcm_close(substream=%p)\n", substream);
+
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)
+ s = &psc_i2s->capture;
+ else
+ s = &psc_i2s->playback;
+
+ s->stream = NULL;
+ return 0;
+}
+
+static snd_pcm_uframes_t
+psc_i2s_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data;
+ struct psc_i2s_stream *s;
+ dma_addr_t count;
+
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE)
+ s = &psc_i2s->capture;
+ else
+ s = &psc_i2s->playback;
+
+ count = s->period_current_pt - s->period_start;
+
+ return bytes_to_frames(substream->runtime, count);
+}
+
+static struct snd_pcm_ops psc_i2s_pcm_ops = {
+ .open = psc_i2s_pcm_open,
+ .close = psc_i2s_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .pointer = psc_i2s_pcm_pointer,
+};
+
+static u64 psc_i2s_pcm_dmamask = 0xffffffff;
+static int psc_i2s_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
+ struct snd_pcm *pcm)
+{
+ struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ size_t size = psc_i2s_pcm_hardware.buffer_bytes_max;
+ int rc = 0;
+
+ dev_dbg(rtd->socdev->dev, "psc_i2s_pcm_new(card=%p, dai=%p, pcm=%p)\n",
+ card, dai, pcm);
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &psc_i2s_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = 0xffffffff;
+
+ if (pcm->streams[0].substream) {
+ rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->dev, size,
+ &pcm->streams[0].substream->dma_buffer);
+ if (rc)
+ goto playback_alloc_err;
+ }
+
+ if (pcm->streams[1].substream) {
+ rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->dev, size,
+ &pcm->streams[1].substream->dma_buffer);
+ if (rc)
+ goto capture_alloc_err;
+ }
+
+ return 0;
+
+ capture_alloc_err:
+ if (pcm->streams[0].substream)
+ snd_dma_free_pages(&pcm->streams[0].substream->dma_buffer);
+ playback_alloc_err:
+ dev_err(card->dev, "Cannot allocate buffer(s)\n");
+ return -ENOMEM;
+}
+
+static void psc_i2s_pcm_free(struct snd_pcm *pcm)
+{
+ struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ struct snd_pcm_substream *substream;
+ int stream;
+
+ dev_dbg(rtd->socdev->dev, "psc_i2s_pcm_free(pcm=%p)\n", pcm);
+
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (substream) {
+ snd_dma_free_pages(&substream->dma_buffer);
+ substream->dma_buffer.area = NULL;
+ substream->dma_buffer.addr = 0;
+ }
+ }
+}
+
+struct snd_soc_platform psc_i2s_pcm_soc_platform = {
+ .name = "mpc5200-psc-audio",
+ .pcm_ops = &psc_i2s_pcm_ops,
+ .pcm_new = &psc_i2s_pcm_new,
+ .pcm_free = &psc_i2s_pcm_free,
+};
+
+/* ---------------------------------------------------------------------
+ * Sysfs attributes for debugging
+ */
+
+static ssize_t psc_i2s_status_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct psc_i2s *psc_i2s = dev_get_drvdata(dev);
+
+ return sprintf(buf, "status=%.4x sicr=%.8x rfnum=%i rfstat=0x%.4x "
+ "tfnum=%i tfstat=0x%.4x\n",
+ in_be16(&psc_i2s->psc_regs->sr_csr.status),
+ in_be32(&psc_i2s->psc_regs->sicr),
+ in_be16(&psc_i2s->fifo_regs->rfnum) & 0x1ff,
+ in_be16(&psc_i2s->fifo_regs->rfstat),
+ in_be16(&psc_i2s->fifo_regs->tfnum) & 0x1ff,
+ in_be16(&psc_i2s->fifo_regs->tfstat));
+}
+
+static int *psc_i2s_get_stat_attr(struct psc_i2s *psc_i2s, const char *name)
+{
+ if (strcmp(name, "playback_underrun") == 0)
+ return &psc_i2s->stats.underrun_count;
+ if (strcmp(name, "capture_overrun") == 0)
+ return &psc_i2s->stats.overrun_count;
+
+ return NULL;
+}
+
+static ssize_t psc_i2s_stat_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct psc_i2s *psc_i2s = dev_get_drvdata(dev);
+ int *attrib;
+
+ attrib = psc_i2s_get_stat_attr(psc_i2s, attr->attr.name);
+ if (!attrib)
+ return 0;
+
+ return sprintf(buf, "%i\n", *attrib);
+}
+
+static ssize_t psc_i2s_stat_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct psc_i2s *psc_i2s = dev_get_drvdata(dev);
+ int *attrib;
+
+ attrib = psc_i2s_get_stat_attr(psc_i2s, attr->attr.name);
+ if (!attrib)
+ return 0;
+
+ *attrib = simple_strtoul(buf, NULL, 0);
+ return count;
+}
+
+DEVICE_ATTR(status, 0644, psc_i2s_status_show, NULL);
+DEVICE_ATTR(playback_underrun, 0644, psc_i2s_stat_show, psc_i2s_stat_store);
+DEVICE_ATTR(capture_overrun, 0644, psc_i2s_stat_show, psc_i2s_stat_store);
+
+/* ---------------------------------------------------------------------
+ * OF platform bus binding code:
+ * - Probe/remove operations
+ * - OF device match table
+ */
+static int __devinit psc_i2s_of_probe(struct of_device *op,
+ const struct of_device_id *match)
+{
+ phys_addr_t fifo;
+ struct psc_i2s *psc_i2s;
+ struct resource res;
+ int size, psc_id, irq, rc;
+ const __be32 *prop;
+ void __iomem *regs;
+
+ dev_dbg(&op->dev, "probing psc i2s device\n");
+
+ /* Get the PSC ID */
+ prop = of_get_property(op->node, "cell-index", &size);
+ if (!prop || size < sizeof *prop)
+ return -ENODEV;
+ psc_id = be32_to_cpu(*prop);
+
+ /* Fetch the registers and IRQ of the PSC */
+ irq = irq_of_parse_and_map(op->node, 0);
+ if (of_address_to_resource(op->node, 0, &res)) {
+ dev_err(&op->dev, "Missing reg property\n");
+ return -ENODEV;
+ }
+ regs = ioremap(res.start, 1 + res.end - res.start);
+ if (!regs) {
+ dev_err(&op->dev, "Could not map registers\n");
+ return -ENODEV;
+ }
+
+ /* Allocate and initialize the driver private data */
+ psc_i2s = kzalloc(sizeof *psc_i2s, GFP_KERNEL);
+ if (!psc_i2s) {
+ iounmap(regs);
+ return -ENOMEM;
+ }
+ spin_lock_init(&psc_i2s->lock);
+ psc_i2s->irq = irq;
+ psc_i2s->psc_regs = regs;
+ psc_i2s->fifo_regs = regs + sizeof *psc_i2s->psc_regs;
+ psc_i2s->dev = &op->dev;
+ psc_i2s->playback.psc_i2s = psc_i2s;
+ psc_i2s->capture.psc_i2s = psc_i2s;
+ snprintf(psc_i2s->name, sizeof psc_i2s->name, "PSC%u", psc_id+1);
+
+ /* Fill out the CPU DAI structure */
+ memcpy(&psc_i2s->dai, &psc_i2s_dai_template, sizeof psc_i2s->dai);
+ psc_i2s->dai.private_data = psc_i2s;
+ psc_i2s->dai.name = psc_i2s->name;
+ psc_i2s->dai.id = psc_id;
+
+ /* Find the address of the fifo data registers and setup the
+ * DMA tasks */
+ fifo = res.start + offsetof(struct mpc52xx_psc, buffer.buffer_32);
+ psc_i2s->capture.bcom_task =
+ bcom_psc_gen_bd_rx_init(psc_id, 10, fifo, 512);
+ psc_i2s->playback.bcom_task =
+ bcom_psc_gen_bd_tx_init(psc_id, 10, fifo);
+ if (!psc_i2s->capture.bcom_task ||
+ !psc_i2s->playback.bcom_task) {
+ dev_err(&op->dev, "Could not allocate bestcomm tasks\n");
+ iounmap(regs);
+ kfree(psc_i2s);
+ return -ENODEV;
+ }
+
+ /* Disable all interrupts and reset the PSC */
+ out_be16(&psc_i2s->psc_regs->isr_imr.imr, 0);
+ out_8(&psc_i2s->psc_regs->command, 3 << 4); /* reset transmitter */
+ out_8(&psc_i2s->psc_regs->command, 2 << 4); /* reset receiver */
+ out_8(&psc_i2s->psc_regs->command, 1 << 4); /* reset mode */
+ out_8(&psc_i2s->psc_regs->command, 4 << 4); /* reset error */
+
+ /* Configure the serial interface mode; defaulting to CODEC8 mode */
+ psc_i2s->sicr = MPC52xx_PSC_SICR_DTS1 | MPC52xx_PSC_SICR_I2S |
+ MPC52xx_PSC_SICR_CLKPOL;
+ if (of_get_property(op->node, "fsl,cellslave", NULL))
+ psc_i2s->sicr |= MPC52xx_PSC_SICR_CELLSLAVE |
+ MPC52xx_PSC_SICR_GENCLK;
+ out_be32(&psc_i2s->psc_regs->sicr,
+ psc_i2s->sicr | MPC52xx_PSC_SICR_SIM_CODEC_8);
+
+ /* Check for the codec handle. If it is not present then we
+ * are done */
+ if (!of_get_property(op->node, "codec-handle", NULL))
+ return 0;
+
+ /* Set up mode register;
+ * First write: RxRdy (FIFO Alarm) generates rx FIFO irq
+ * Second write: register Normal mode for non loopback
+ */
+ out_8(&psc_i2s->psc_regs->mode, 0);
+ out_8(&psc_i2s->psc_regs->mode, 0);
+
+ /* Set the TX and RX fifo alarm thresholds */
+ out_be16(&psc_i2s->fifo_regs->rfalarm, 0x100);
+ out_8(&psc_i2s->fifo_regs->rfcntl, 0x4);
+ out_be16(&psc_i2s->fifo_regs->tfalarm, 0x100);
+ out_8(&psc_i2s->fifo_regs->tfcntl, 0x7);
+
+ /* Lookup the IRQ numbers */
+ psc_i2s->playback.irq =
+ bcom_get_task_irq(psc_i2s->playback.bcom_task);
+ psc_i2s->capture.irq =
+ bcom_get_task_irq(psc_i2s->capture.bcom_task);
+
+ /* Save what we've done so it can be found again later */
+ dev_set_drvdata(&op->dev, psc_i2s);
+
+ /* Register the SYSFS files */
+ rc = device_create_file(psc_i2s->dev, &dev_attr_status);
+ rc = device_create_file(psc_i2s->dev, &dev_attr_capture_overrun);
+ rc = device_create_file(psc_i2s->dev, &dev_attr_playback_underrun);
+ if (rc)
+ dev_info(psc_i2s->dev, "error creating sysfs files\n");
+
+ /* Tell the ASoC OF helpers about it */
+ of_snd_soc_register_platform(&psc_i2s_pcm_soc_platform, op->node,
+ &psc_i2s->dai);
+
+ return 0;
+}
+
+static int __devexit psc_i2s_of_remove(struct of_device *op)
+{
+ struct psc_i2s *psc_i2s = dev_get_drvdata(&op->dev);
+
+ dev_dbg(&op->dev, "psc_i2s_remove()\n");
+
+ bcom_gen_bd_rx_release(psc_i2s->capture.bcom_task);
+ bcom_gen_bd_tx_release(psc_i2s->playback.bcom_task);
+
+ iounmap(psc_i2s->psc_regs);
+ iounmap(psc_i2s->fifo_regs);
+ kfree(psc_i2s);
+ dev_set_drvdata(&op->dev, NULL);
+
+ return 0;
+}
+
+/* Match table for of_platform binding */
+static struct of_device_id psc_i2s_match[] __devinitdata = {
+ { .compatible = "fsl,mpc5200-psc-i2s", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, psc_i2s_match);
+
+static struct of_platform_driver psc_i2s_driver = {
+ .match_table = psc_i2s_match,
+ .probe = psc_i2s_of_probe,
+ .remove = __devexit_p(psc_i2s_of_remove),
+ .driver = {
+ .name = "mpc5200-psc-i2s",
+ .owner = THIS_MODULE,
+ },
+};
+
+/* ---------------------------------------------------------------------
+ * Module setup and teardown; simply register the of_platform driver
+ * for the PSC in I2S mode.
+ */
+static int __init psc_i2s_init(void)
+{
+ return of_register_platform_driver(&psc_i2s_driver);
+}
+module_init(psc_i2s_init);
+
+static void __exit psc_i2s_exit(void)
+{
+ of_unregister_platform_driver(&psc_i2s_driver);
+}
+module_exit(psc_i2s_exit);
+
+
diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index 4bdc9d8..94f89de 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -68,10 +68,6 @@ static int mpc8610_hpcd_machine_probe(struct platform_device *sound_device)
guts_set_pmuxcr_dma(machine_data->guts, machine_data->dma_id,
machine_data->dma_channel_id[1], 0);
- guts_set_pmuxcr_dma(machine_data->guts, 1, 0, 0);
- guts_set_pmuxcr_dma(machine_data->guts, 1, 3, 0);
- guts_set_pmuxcr_dma(machine_data->guts, 0, 3, 0);
-
switch (machine_data->ssi_id) {
case 0:
clrsetbits_be32(&machine_data->guts->pmuxcr,
@@ -230,6 +226,8 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev,
struct fsl_ssi_info ssi_info;
struct fsl_dma_info dma_info;
int ret = -ENODEV;
+ unsigned int playback_dma_channel;
+ unsigned int capture_dma_channel;
machine_data = kzalloc(sizeof(struct mpc8610_hpcd_data), GFP_KERNEL);
if (!machine_data)
@@ -381,8 +379,9 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev,
goto error;
}
- /* Find the DMA channels to use. For now, we always use the first DMA
- controller. */
+ /* Find the DMA channels to use. Both SSIs need to use the same DMA
+ * controller, so let's use DMA#1.
+ */
for_each_compatible_node(dma_np, NULL, "fsl,mpc8610-dma") {
iprop = of_get_property(dma_np, "cell-index", NULL);
if (iprop && (*iprop == 0)) {
@@ -397,14 +396,19 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev,
}
machine_data->dma_id = *iprop;
+ /* SSI1 needs to use DMA Channels 0 and 1, and SSI2 needs to use DMA
+ * channels 2 and 3. This is just how the MPC8610 is wired
+ * internally.
+ */
+ playback_dma_channel = (machine_data->ssi_id == 0) ? 0 : 2;
+ capture_dma_channel = (machine_data->ssi_id == 0) ? 1 : 3;
+
/*
- * Find the DMA channels to use. For now, we always use DMA channel 0
- * for playback, and DMA channel 1 for capture.
+ * Find the DMA channels to use.
*/
while ((dma_channel_np = of_get_next_child(dma_np, dma_channel_np))) {
iprop = of_get_property(dma_channel_np, "cell-index", NULL);
- /* Is it DMA channel 0? */
- if (iprop && (*iprop == 0)) {
+ if (iprop && (*iprop == playback_dma_channel)) {
/* dma_channel[0] and dma_irq[0] are for playback */
dma_info.dma_channel[0] = of_iomap(dma_channel_np, 0);
dma_info.dma_irq[0] =
@@ -412,7 +416,7 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev,
machine_data->dma_channel_id[0] = *iprop;
continue;
}
- if (iprop && (*iprop == 1)) {
+ if (iprop && (*iprop == capture_dma_channel)) {
/* dma_channel[1] and dma_irq[1] are for capture */
dma_info.dma_channel[1] = of_iomap(dma_channel_np, 0);
dma_info.dma_irq[1] =
diff --git a/sound/soc/fsl/soc-of-simple.c b/sound/soc/fsl/soc-of-simple.c
new file mode 100644
index 0000000..0382fda
--- /dev/null
+++ b/sound/soc/fsl/soc-of-simple.c
@@ -0,0 +1,171 @@
+/*
+ * OF helpers for ALSA SoC Layer
+ *
+ * Copyright (C) 2008, Secret Lab Technologies Ltd.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/bitops.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-of-simple.h>
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ALSA SoC OpenFirmware bindings");
+
+static DEFINE_MUTEX(of_snd_soc_mutex);
+static LIST_HEAD(of_snd_soc_device_list);
+static int of_snd_soc_next_index;
+
+struct of_snd_soc_device {
+ int id;
+ struct list_head list;
+ struct snd_soc_device device;
+ struct snd_soc_machine machine;
+ struct snd_soc_dai_link dai_link;
+ struct platform_device *pdev;
+ struct device_node *platform_node;
+ struct device_node *codec_node;
+};
+
+static struct snd_soc_ops of_snd_soc_ops = {
+};
+
+static struct of_snd_soc_device *
+of_snd_soc_get_device(struct device_node *codec_node)
+{
+ struct of_snd_soc_device *of_soc;
+
+ list_for_each_entry(of_soc, &of_snd_soc_device_list, list) {
+ if (of_soc->codec_node == codec_node)
+ return of_soc;
+ }
+
+ of_soc = kzalloc(sizeof(struct of_snd_soc_device), GFP_KERNEL);
+ if (!of_soc)
+ return NULL;
+
+ /* Initialize the structure and add it to the global list */
+ of_soc->codec_node = codec_node;
+ of_soc->id = of_snd_soc_next_index++;
+ of_soc->machine.dai_link = &of_soc->dai_link;
+ of_soc->machine.num_links = 1;
+ of_soc->device.machine = &of_soc->machine;
+ of_soc->dai_link.ops = &of_snd_soc_ops;
+ list_add(&of_soc->list, &of_snd_soc_device_list);
+
+ return of_soc;
+}
+
+static void of_snd_soc_register_device(struct of_snd_soc_device *of_soc)
+{
+ struct platform_device *pdev;
+ int rc;
+
+ /* Only register the device if both the codec and platform have
+ * been registered */
+ if ((!of_soc->device.codec_data) || (!of_soc->platform_node))
+ return;
+
+ pr_info("platform<-->codec match achieved; registering machine\n");
+
+ pdev = platform_device_alloc("soc-audio", of_soc->id);
+ if (!pdev) {
+ pr_err("of_soc: platform_device_alloc() failed\n");
+ return;
+ }
+
+ pdev->dev.platform_data = of_soc;
+ platform_set_drvdata(pdev, &of_soc->device);
+ of_soc->device.dev = &pdev->dev;
+
+ /* The ASoC device is complete; register it */
+ rc = platform_device_add(pdev);
+ if (rc) {
+ pr_err("of_soc: platform_device_add() failed\n");
+ return;
+ }
+
+}
+
+int of_snd_soc_register_codec(struct snd_soc_codec_device *codec_dev,
+ void *codec_data, struct snd_soc_dai *dai,
+ struct device_node *node)
+{
+ struct of_snd_soc_device *of_soc;
+ int rc = 0;
+
+ pr_info("registering ASoC codec driver: %s\n", node->full_name);
+
+ mutex_lock(&of_snd_soc_mutex);
+ of_soc = of_snd_soc_get_device(node);
+ if (!of_soc) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ /* Store the codec data */
+ of_soc->device.codec_data = codec_data;
+ of_soc->device.codec_dev = codec_dev;
+ of_soc->dai_link.name = (char *)node->name;
+ of_soc->dai_link.stream_name = (char *)node->name;
+ of_soc->dai_link.codec_dai = dai;
+
+ /* Now try to register the SoC device */
+ of_snd_soc_register_device(of_soc);
+
+ out:
+ mutex_unlock(&of_snd_soc_mutex);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(of_snd_soc_register_codec);
+
+int of_snd_soc_register_platform(struct snd_soc_platform *platform,
+ struct device_node *node,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct of_snd_soc_device *of_soc;
+ struct device_node *codec_node;
+ const phandle *handle;
+ int len, rc = 0;
+
+ pr_info("registering ASoC platform driver: %s\n", node->full_name);
+
+ handle = of_get_property(node, "codec-handle", &len);
+ if (!handle || len < sizeof(handle))
+ return -ENODEV;
+ codec_node = of_find_node_by_phandle(*handle);
+ if (!codec_node)
+ return -ENODEV;
+ pr_info("looking for codec: %s\n", codec_node->full_name);
+
+ mutex_lock(&of_snd_soc_mutex);
+ of_soc = of_snd_soc_get_device(codec_node);
+ if (!of_soc) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ of_soc->platform_node = node;
+ of_soc->dai_link.cpu_dai = cpu_dai;
+ of_soc->device.platform = platform;
+ of_soc->machine.name = of_soc->dai_link.cpu_dai->name;
+
+ /* Now try to register the SoC device */
+ of_snd_soc_register_device(of_soc);
+
+ out:
+ mutex_unlock(&of_snd_soc_mutex);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(of_snd_soc_register_platform);
diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c
index 87d0ed0..d166b6b 100644
--- a/sound/soc/omap/n810.c
+++ b/sound/soc/omap/n810.c
@@ -290,6 +290,7 @@ static struct snd_soc_machine snd_soc_machine_n810 = {
/* Audio private data */
static struct aic3x_setup_data n810_aic33_setup = {
+ .i2c_bus = 2,
.i2c_address = 0x18,
.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 9212c37..f8c1cdd 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -1,6 +1,7 @@
config SND_PXA2XX_SOC
tristate "SoC Audio for the Intel PXA2xx chip"
depends on ARCH_PXA
+ select SND_PXA2XX_LIB
help
Say Y or M if you want to add support for codecs attached to
the PXA2xx AC97, I2S or SSP interface. You will also need
@@ -13,6 +14,8 @@ config SND_PXA2XX_AC97
config SND_PXA2XX_SOC_AC97
tristate
select AC97_BUS
+ select SND_ARM
+ select SND_PXA2XX_LIB_AC97
select SND_SOC_AC97_BUS
config SND_PXA2XX_SOC_I2S
diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c
index 0a53f72..1a8373d 100644
--- a/sound/soc/pxa/corgi.c
+++ b/sound/soc/pxa/corgi.c
@@ -18,13 +18,13 @@
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
-#include <asm/hardware/scoop.h>
#include <mach/pxa-regs.h>
#include <mach/hardware.h>
#include <mach/corgi.h>
@@ -54,8 +54,8 @@ static void corgi_ext_control(struct snd_soc_codec *codec)
switch (corgi_jack_func) {
case CORGI_HP:
/* set = unmute headphone */
- set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
- set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ gpio_set_value(CORGI_GPIO_MUTE_L, 1);
+ gpio_set_value(CORGI_GPIO_MUTE_R, 1);
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_enable_pin(codec, "Headphone Jack");
@@ -63,24 +63,24 @@ static void corgi_ext_control(struct snd_soc_codec *codec)
break;
case CORGI_MIC:
/* reset = mute headphone */
- reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
- reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ gpio_set_value(CORGI_GPIO_MUTE_L, 0);
+ gpio_set_value(CORGI_GPIO_MUTE_R, 0);
snd_soc_dapm_enable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_disable_pin(codec, "Headphone Jack");
snd_soc_dapm_disable_pin(codec, "Headset Jack");
break;
case CORGI_LINE:
- reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
- reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ gpio_set_value(CORGI_GPIO_MUTE_L, 0);
+ gpio_set_value(CORGI_GPIO_MUTE_R, 0);
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_enable_pin(codec, "Line Jack");
snd_soc_dapm_disable_pin(codec, "Headphone Jack");
snd_soc_dapm_disable_pin(codec, "Headset Jack");
break;
case CORGI_HEADSET:
- reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
- set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ gpio_set_value(CORGI_GPIO_MUTE_L, 0);
+ gpio_set_value(CORGI_GPIO_MUTE_R, 1);
snd_soc_dapm_enable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_disable_pin(codec, "Headphone Jack");
@@ -114,8 +114,8 @@ static int corgi_shutdown(struct snd_pcm_substream *substream)
struct snd_soc_codec *codec = rtd->socdev->codec;
/* set = unmute headphone */
- set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
- set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ gpio_set_value(CORGI_GPIO_MUTE_L, 1);
+ gpio_set_value(CORGI_GPIO_MUTE_R, 1);
return 0;
}
@@ -218,22 +218,14 @@ static int corgi_set_spk(struct snd_kcontrol *kcontrol,
static int corgi_amp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
- if (SND_SOC_DAPM_EVENT_ON(event))
- set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
- else
- reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
-
+ gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
static int corgi_mic_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
- if (SND_SOC_DAPM_EVENT_ON(event))
- set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
- else
- reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
-
+ gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
@@ -330,6 +322,7 @@ static struct snd_soc_machine snd_soc_machine_corgi = {
/* corgi audio private data */
static struct wm8731_setup_data corgi_wm8731_setup = {
+ .i2c_bus = 0,
.i2c_address = 0x1b,
};
diff --git a/sound/soc/pxa/poodle.c b/sound/soc/pxa/poodle.c
index a4697f7..f84f7d8 100644
--- a/sound/soc/pxa/poodle.c
+++ b/sound/soc/pxa/poodle.c
@@ -284,6 +284,7 @@ static struct snd_soc_machine snd_soc_machine_poodle = {
/* poodle audio private data */
static struct wm8731_setup_data poodle_wm8731_setup = {
+ .i2c_bus = 0,
.i2c_address = 0x1b,
};
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index d94a495..a7a3a9c 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -13,225 +13,30 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/wait.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
#include <sound/core.h>
-#include <sound/pcm.h>
#include <sound/ac97_codec.h>
-#include <sound/initval.h>
#include <sound/soc.h>
+#include <sound/pxa2xx-lib.h>
-#include <asm/irq.h>
-#include <linux/mutex.h>
#include <mach/hardware.h>
#include <mach/pxa-regs.h>
-#include <mach/pxa2xx-gpio.h>
-#include <mach/audio.h>
#include "pxa2xx-pcm.h"
#include "pxa2xx-ac97.h"
-static DEFINE_MUTEX(car_mutex);
-static DECLARE_WAIT_QUEUE_HEAD(gsr_wq);
-static volatile long gsr_bits;
-static struct clk *ac97_clk;
-#ifdef CONFIG_PXA27x
-static struct clk *ac97conf_clk;
-#endif
-
-/*
- * Beware PXA27x bugs:
- *
- * o Slot 12 read from modem space will hang controller.
- * o CDONE, SDONE interrupt fails after any slot 12 IO.
- *
- * We therefore have an hybrid approach for waiting on SDONE (interrupt or
- * 1 jiffy timeout if interrupt never comes).
- */
-
-static unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97,
- unsigned short reg)
-{
- unsigned short val = -1;
- volatile u32 *reg_addr;
-
- mutex_lock(&car_mutex);
-
- /* set up primary or secondary codec/modem space */
-#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
- reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
-#else
- if (reg == AC97_GPIO_STATUS)
- reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE;
- else
- reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
-#endif
- reg_addr += (reg >> 1);
-
-#ifndef CONFIG_PXA27x
- if (reg == AC97_GPIO_STATUS) {
- /* read from controller cache */
- val = *reg_addr;
- goto out;
- }
-#endif
-
- /* start read access across the ac97 link */
- GSR = GSR_CDONE | GSR_SDONE;
- gsr_bits = 0;
- val = *reg_addr;
-
- wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1);
- if (!((GSR | gsr_bits) & GSR_SDONE)) {
- printk(KERN_ERR "%s: read error (ac97_reg=%x GSR=%#lx)\n",
- __func__, reg, GSR | gsr_bits);
- val = -1;
- goto out;
- }
-
- /* valid data now */
- GSR = GSR_CDONE | GSR_SDONE;
- gsr_bits = 0;
- val = *reg_addr;
- /* but we've just started another cycle... */
- wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1);
-
-out: mutex_unlock(&car_mutex);
- return val;
-}
-
-static void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
- unsigned short val)
-{
- volatile u32 *reg_addr;
-
- mutex_lock(&car_mutex);
-
- /* set up primary or secondary codec/modem space */
-#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
- reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
-#else
- if (reg == AC97_GPIO_STATUS)
- reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE;
- else
- reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
-#endif
- reg_addr += (reg >> 1);
-
- GSR = GSR_CDONE | GSR_SDONE;
- gsr_bits = 0;
- *reg_addr = val;
- wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_CDONE, 1);
- if (!((GSR | gsr_bits) & GSR_CDONE))
- printk(KERN_ERR "%s: write error (ac97_reg=%x GSR=%#lx)\n",
- __func__, reg, GSR | gsr_bits);
-
- mutex_unlock(&car_mutex);
-}
-
static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
{
-#ifdef CONFIG_PXA3xx
- int timeout = 100;
-#endif
- gsr_bits = 0;
-
-#ifdef CONFIG_PXA27x
- /* warm reset broken on Bulverde,
- so manually keep AC97 reset high */
- pxa_gpio_mode(113 | GPIO_OUT | GPIO_DFLT_HIGH);
- udelay(10);
- GCR |= GCR_WARM_RST;
- pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
- udelay(500);
-#elif defined(CONFIG_PXA3xx)
- /* Can't use interrupts */
- GCR |= GCR_WARM_RST;
- while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--)
- mdelay(1);
-#else
- GCR |= GCR_WARM_RST | GCR_PRIRDY_IEN | GCR_SECRDY_IEN;
- wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1);
-#endif
-
- if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)))
- printk(KERN_INFO "%s: warm reset timeout (GSR=%#lx)\n",
- __func__, gsr_bits);
+ pxa2xx_ac97_try_warm_reset(ac97);
- GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN);
- GCR |= GCR_SDONE_IE|GCR_CDONE_IE;
+ pxa2xx_ac97_finish_reset(ac97);
}
static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
{
-#ifdef CONFIG_PXA3xx
- int timeout = 1000;
-
- /* Hold CLKBPB for 100us */
- GCR = 0;
- GCR = GCR_CLKBPB;
- udelay(100);
- GCR = 0;
-#endif
+ pxa2xx_ac97_try_cold_reset(ac97);
- GCR &= GCR_COLD_RST; /* clear everything but nCRST */
- GCR &= ~GCR_COLD_RST; /* then assert nCRST */
-
- gsr_bits = 0;
-#ifdef CONFIG_PXA27x
- /* PXA27x Developers Manual section 13.5.2.2.1 */
- clk_enable(ac97conf_clk);
- udelay(5);
- clk_disable(ac97conf_clk);
- GCR = GCR_COLD_RST;
- udelay(50);
-#elif defined(CONFIG_PXA3xx)
- /* Can't use interrupts on PXA3xx */
- GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN);
-
- GCR = GCR_WARM_RST | GCR_COLD_RST;
- while (!(GSR & (GSR_PCR | GSR_SCR)) && timeout--)
- mdelay(10);
-#else
- GCR = GCR_COLD_RST;
- GCR |= GCR_CDONE_IE|GCR_SDONE_IE;
- wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1);
-#endif
-
- if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)))
- printk(KERN_INFO "%s: cold reset timeout (GSR=%#lx)\n",
- __func__, gsr_bits);
-
- GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN);
- GCR |= GCR_SDONE_IE|GCR_CDONE_IE;
-}
-
-static irqreturn_t pxa2xx_ac97_irq(int irq, void *dev_id)
-{
- long status;
-
- status = GSR;
- if (status) {
- GSR = status;
- gsr_bits |= status;
- wake_up(&gsr_wq);
-
-#ifdef CONFIG_PXA27x
- /* Although we don't use those we still need to clear them
- since they tend to spuriously trigger when MMC is used
- (hardware bug? go figure)... */
- MISR = MISR_EOC;
- PISR = PISR_EOC;
- MCSR = MCSR_EOC;
-#endif
-
- return IRQ_HANDLED;
- }
-
- return IRQ_NONE;
+ pxa2xx_ac97_finish_reset(ac97);
}
struct snd_ac97_bus_ops soc_ac97_ops = {
@@ -244,7 +49,7 @@ struct snd_ac97_bus_ops soc_ac97_ops = {
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
.name = "AC97 PCM Stereo out",
.dev_addr = __PREG(PCDR),
- .drcmr = &DRCMRTXPCDR,
+ .drcmr = &DRCMR(12),
.dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
DCMD_BURST32 | DCMD_WIDTH4,
};
@@ -252,7 +57,7 @@ static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
.name = "AC97 PCM Stereo in",
.dev_addr = __PREG(PCDR),
- .drcmr = &DRCMRRXPCDR,
+ .drcmr = &DRCMR(11),
.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
DCMD_BURST32 | DCMD_WIDTH4,
};
@@ -260,7 +65,7 @@ static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
.name = "AC97 Aux PCM (Slot 5) Mono out",
.dev_addr = __PREG(MODR),
- .drcmr = &DRCMRTXMODR,
+ .drcmr = &DRCMR(10),
.dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
DCMD_BURST16 | DCMD_WIDTH2,
};
@@ -268,7 +73,7 @@ static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
.name = "AC97 Aux PCM (Slot 5) Mono in",
.dev_addr = __PREG(MODR),
- .drcmr = &DRCMRRXMODR,
+ .drcmr = &DRCMR(9),
.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
DCMD_BURST16 | DCMD_WIDTH2,
};
@@ -276,7 +81,7 @@ static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
.name = "AC97 Mic PCM (Slot 6) Mono in",
.dev_addr = __PREG(MCDR),
- .drcmr = &DRCMRRXMCDR,
+ .drcmr = &DRCMR(8),
.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
DCMD_BURST16 | DCMD_WIDTH2,
};
@@ -285,24 +90,13 @@ static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
static int pxa2xx_ac97_suspend(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
- GCR |= GCR_ACLINK_OFF;
- clk_disable(ac97_clk);
- return 0;
+ return pxa2xx_ac97_hw_suspend();
}
static int pxa2xx_ac97_resume(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
- pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
- pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
- pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
- pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
-#ifdef CONFIG_PXA27x
- /* Use GPIO 113 as AC97 Reset on Bulverde */
- pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
-#endif
- clk_enable(ac97_clk);
- return 0;
+ return pxa2xx_ac97_hw_resume();
}
#else
@@ -313,61 +107,13 @@ static int pxa2xx_ac97_resume(struct platform_device *pdev,
static int pxa2xx_ac97_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
- int ret;
-
- ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, IRQF_DISABLED, "AC97", NULL);
- if (ret < 0)
- goto err;
-
- pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
- pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
- pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
- pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
-#ifdef CONFIG_PXA27x
- /* Use GPIO 113 as AC97 Reset on Bulverde */
- pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
-
- ac97conf_clk = clk_get(&pdev->dev, "AC97CONFCLK");
- if (IS_ERR(ac97conf_clk)) {
- ret = PTR_ERR(ac97conf_clk);
- ac97conf_clk = NULL;
- goto err_irq;
- }
-#endif
- ac97_clk = clk_get(&pdev->dev, "AC97CLK");
- if (IS_ERR(ac97_clk)) {
- ret = PTR_ERR(ac97_clk);
- ac97_clk = NULL;
- goto err_irq;
- }
- clk_enable(ac97_clk);
- return 0;
-
- err_irq:
- GCR |= GCR_ACLINK_OFF;
-#ifdef CONFIG_PXA27x
- if (ac97conf_clk) {
- clk_put(ac97conf_clk);
- ac97conf_clk = NULL;
- }
-#endif
- free_irq(IRQ_AC97, NULL);
- err:
- return ret;
+ return pxa2xx_ac97_hw_probe(pdev);
}
static void pxa2xx_ac97_remove(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
- GCR |= GCR_ACLINK_OFF;
- free_irq(IRQ_AC97, NULL);
-#ifdef CONFIG_PXA27x
- clk_put(ac97conf_clk);
- ac97conf_clk = NULL;
-#endif
- clk_disable(ac97_clk);
- clk_put(ac97_clk);
- ac97_clk = NULL;
+ pxa2xx_ac97_hw_remove(pdev);
}
static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index c796b18..2fb5829 100644
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -21,6 +21,7 @@
#include <sound/pcm.h>
#include <sound/initval.h>
#include <sound/soc.h>
+#include <sound/pxa2xx-lib.h>
#include <mach/hardware.h>
#include <mach/pxa-regs.h>
@@ -30,6 +31,54 @@
#include "pxa2xx-pcm.h"
#include "pxa2xx-i2s.h"
+struct pxa2xx_gpio {
+ u32 sys;
+ u32 rx;
+ u32 tx;
+ u32 clk;
+ u32 frm;
+};
+
+/*
+ * I2S Controller Register and Bit Definitions
+ */
+#define SACR0 __REG(0x40400000) /* Global Control Register */
+#define SACR1 __REG(0x40400004) /* Serial Audio I 2 S/MSB-Justified Control Register */
+#define SASR0 __REG(0x4040000C) /* Serial Audio I 2 S/MSB-Justified Interface and FIFO Status Register */
+#define SAIMR __REG(0x40400014) /* Serial Audio Interrupt Mask Register */
+#define SAICR __REG(0x40400018) /* Serial Audio Interrupt Clear Register */
+#define SADIV __REG(0x40400060) /* Audio Clock Divider Register. */
+#define SADR __REG(0x40400080) /* Serial Audio Data Register (TX and RX FIFO access Register). */
+
+#define SACR0_RFTH(x) ((x) << 12) /* Rx FIFO Interrupt or DMA Trigger Threshold */
+#define SACR0_TFTH(x) ((x) << 8) /* Tx FIFO Interrupt or DMA Trigger Threshold */
+#define SACR0_STRF (1 << 5) /* FIFO Select for EFWR Special Function */
+#define SACR0_EFWR (1 << 4) /* Enable EFWR Function */
+#define SACR0_RST (1 << 3) /* FIFO, i2s Register Reset */
+#define SACR0_BCKD (1 << 2) /* Bit Clock Direction */
+#define SACR0_ENB (1 << 0) /* Enable I2S Link */
+#define SACR1_ENLBF (1 << 5) /* Enable Loopback */
+#define SACR1_DRPL (1 << 4) /* Disable Replaying Function */
+#define SACR1_DREC (1 << 3) /* Disable Recording Function */
+#define SACR1_AMSL (1 << 0) /* Specify Alternate Mode */
+
+#define SASR0_I2SOFF (1 << 7) /* Controller Status */
+#define SASR0_ROR (1 << 6) /* Rx FIFO Overrun */
+#define SASR0_TUR (1 << 5) /* Tx FIFO Underrun */
+#define SASR0_RFS (1 << 4) /* Rx FIFO Service Request */
+#define SASR0_TFS (1 << 3) /* Tx FIFO Service Request */
+#define SASR0_BSY (1 << 2) /* I2S Busy */
+#define SASR0_RNE (1 << 1) /* Rx FIFO Not Empty */
+#define SASR0_TNF (1 << 0) /* Tx FIFO Not Empty */
+
+#define SAICR_ROR (1 << 6) /* Clear Rx FIFO Overrun Interrupt */
+#define SAICR_TUR (1 << 5) /* Clear Tx FIFO Underrun Interrupt */
+
+#define SAIMR_ROR (1 << 6) /* Enable Rx FIFO Overrun Condition Interrupt */
+#define SAIMR_TUR (1 << 5) /* Enable Tx FIFO Underrun Condition Interrupt */
+#define SAIMR_RFS (1 << 4) /* Enable Rx FIFO Service Interrupt */
+#define SAIMR_TFS (1 << 3) /* Enable Tx FIFO Service Interrupt */
+
struct pxa_i2s_port {
u32 sadiv;
u32 sacr0;
@@ -44,7 +93,7 @@ static struct clk *clk_i2s;
static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
.name = "I2S PCM Stereo out",
.dev_addr = __PREG(SADR),
- .drcmr = &DRCMRTXSADR,
+ .drcmr = &DRCMR(3),
.dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
DCMD_BURST32 | DCMD_WIDTH4,
};
@@ -52,7 +101,7 @@ static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_in = {
.name = "I2S PCM Stereo in",
.dev_addr = __PREG(SADR),
- .drcmr = &DRCMRRXSADR,
+ .drcmr = &DRCMR(2),
.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
DCMD_BURST32 | DCMD_WIDTH4,
};
@@ -65,11 +114,6 @@ static struct pxa2xx_gpio gpio_bus[] = {
.frm = GPIO31_SYNC_I2S_MD,
},
{ /* I2S SoC Master */
-#ifdef CONFIG_PXA27x
- .sys = GPIO113_I2S_SYSCLK_MD,
-#else
- .sys = GPIO32_SYSCLK_I2S_MD,
-#endif
.rx = GPIO29_SDATA_IN_I2S_MD,
.tx = GPIO30_SDATA_OUT_I2S_MD,
.clk = GPIO28_BITCLK_OUT_I2S_MD,
@@ -343,6 +387,11 @@ static struct platform_driver pxa2xx_i2s_driver = {
static int __init pxa2xx_i2s_init(void)
{
+ if (cpu_is_pxa27x())
+ gpio_bus[1].sys = GPIO113_I2S_SYSCLK_MD;
+ else
+ gpio_bus[1].sys = GPIO32_SYSCLK_I2S_MD;
+
clk_i2s = ERR_PTR(-ENOENT);
return platform_driver_register(&pxa2xx_i2s_driver);
}
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index 4345f38..afcd892 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -10,64 +10,14 @@
* published by the Free Software Foundation.
*/
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
#include <sound/soc.h>
-
-#include <asm/dma.h>
-#include <mach/hardware.h>
-#include <mach/pxa-regs.h>
-#include <mach/audio.h>
+#include <sound/pxa2xx-lib.h>
#include "pxa2xx-pcm.h"
-
-static const struct snd_pcm_hardware pxa2xx_pcm_hardware = {
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_RESUME,
- .formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S24_LE |
- SNDRV_PCM_FMTBIT_S32_LE,
- .period_bytes_min = 32,
- .period_bytes_max = 8192 - 32,
- .periods_min = 1,
- .periods_max = PAGE_SIZE/sizeof(pxa_dma_desc),
- .buffer_bytes_max = 128 * 1024,
- .fifo_size = 32,
-};
-
-struct pxa2xx_runtime_data {
- int dma_ch;
- struct pxa2xx_pcm_dma_params *params;
- pxa_dma_desc *dma_desc_array;
- dma_addr_t dma_desc_array_phys;
-};
-
-static void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id)
-{
- struct snd_pcm_substream *substream = dev_id;
- struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
- int dcsr;
-
- dcsr = DCSR(dma_ch);
- DCSR(dma_ch) = dcsr & ~DCSR_STOPIRQEN;
-
- if (dcsr & DCSR_ENDINTR) {
- snd_pcm_period_elapsed(substream);
- } else {
- printk(KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n",
- prtd->params->name, dma_ch, dcsr);
- }
-}
+#include "../../arm/pxa2xx-pcm.h"
static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
@@ -76,10 +26,6 @@ static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
struct pxa2xx_runtime_data *prtd = runtime->private_data;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct pxa2xx_pcm_dma_params *dma = rtd->dai->cpu_dai->dma_data;
- size_t totsize = params_buffer_bytes(params);
- size_t period = params_period_bytes(params);
- pxa_dma_desc *dma_desc;
- dma_addr_t dma_buff_phys, next_desc_phys;
int ret;
/* return if this is a bufferless transfer e.g.
@@ -106,42 +52,16 @@ static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
prtd->dma_ch = ret;
}
- snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
- runtime->dma_bytes = totsize;
-
- dma_desc = prtd->dma_desc_array;
- next_desc_phys = prtd->dma_desc_array_phys;
- dma_buff_phys = runtime->dma_addr;
- do {
- next_desc_phys += sizeof(pxa_dma_desc);
- dma_desc->ddadr = next_desc_phys;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- dma_desc->dsadr = dma_buff_phys;
- dma_desc->dtadr = prtd->params->dev_addr;
- } else {
- dma_desc->dsadr = prtd->params->dev_addr;
- dma_desc->dtadr = dma_buff_phys;
- }
- if (period > totsize)
- period = totsize;
- dma_desc->dcmd = prtd->params->dcmd | period | DCMD_ENDIRQEN;
- dma_desc++;
- dma_buff_phys += period;
- } while (totsize -= period);
- dma_desc[-1].ddadr = prtd->dma_desc_array_phys;
-
- return 0;
+ return __pxa2xx_pcm_hw_params(substream, params);
}
static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
{
struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
- if (prtd && prtd->params)
- *prtd->params->drcmr = 0;
+ __pxa2xx_pcm_hw_free(substream);
if (prtd->dma_ch) {
- snd_pcm_set_runtime_buffer(substream, NULL);
pxa_free_dma(prtd->dma_ch);
prtd->dma_ch = 0;
}
@@ -149,188 +69,21 @@ static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
return 0;
}
-static int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)
-{
- struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
-
- DCSR(prtd->dma_ch) &= ~DCSR_RUN;
- DCSR(prtd->dma_ch) = 0;
- DCMD(prtd->dma_ch) = 0;
- *prtd->params->drcmr = prtd->dma_ch | DRCMR_MAPVLD;
-
- return 0;
-}
-
-static int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
- int ret = 0;
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- DDADR(prtd->dma_ch) = prtd->dma_desc_array_phys;
- DCSR(prtd->dma_ch) = DCSR_RUN;
- break;
-
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- DCSR(prtd->dma_ch) &= ~DCSR_RUN;
- break;
-
- case SNDRV_PCM_TRIGGER_RESUME:
- DCSR(prtd->dma_ch) |= DCSR_RUN;
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- DDADR(prtd->dma_ch) = prtd->dma_desc_array_phys;
- DCSR(prtd->dma_ch) |= DCSR_RUN;
- break;
-
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static snd_pcm_uframes_t
-pxa2xx_pcm_pointer(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct pxa2xx_runtime_data *prtd = runtime->private_data;
-
- dma_addr_t ptr = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
- DSADR(prtd->dma_ch) : DTADR(prtd->dma_ch);
- snd_pcm_uframes_t x = bytes_to_frames(runtime, ptr - runtime->dma_addr);
-
- if (x == runtime->buffer_size)
- x = 0;
- return x;
-}
-
-static int pxa2xx_pcm_open(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct pxa2xx_runtime_data *prtd;
- int ret;
-
- snd_soc_set_runtime_hwparams(substream, &pxa2xx_pcm_hardware);
-
- /*
- * For mysterious reasons (and despite what the manual says)
- * playback samples are lost if the DMA count is not a multiple
- * of the DMA burst size. Let's add a rule to enforce that.
- */
- ret = snd_pcm_hw_constraint_step(runtime, 0,
- SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
- if (ret)
- goto out;
-
- ret = snd_pcm_hw_constraint_step(runtime, 0,
- SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
- if (ret)
- goto out;
-
- ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
- if (ret < 0)
- goto out;
-
- prtd = kzalloc(sizeof(struct pxa2xx_runtime_data), GFP_KERNEL);
- if (prtd == NULL) {
- ret = -ENOMEM;
- goto out;
- }
-
- prtd->dma_desc_array =
- dma_alloc_writecombine(substream->pcm->card->dev, PAGE_SIZE,
- &prtd->dma_desc_array_phys, GFP_KERNEL);
- if (!prtd->dma_desc_array) {
- ret = -ENOMEM;
- goto err1;
- }
-
- runtime->private_data = prtd;
- return 0;
-
- err1:
- kfree(prtd);
- out:
- return ret;
-}
-
-static int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct pxa2xx_runtime_data *prtd = runtime->private_data;
-
- dma_free_writecombine(substream->pcm->card->dev, PAGE_SIZE,
- prtd->dma_desc_array, prtd->dma_desc_array_phys);
- kfree(prtd);
- return 0;
-}
-
-static int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
- struct vm_area_struct *vma)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- return dma_mmap_writecombine(substream->pcm->card->dev, vma,
- runtime->dma_area,
- runtime->dma_addr,
- runtime->dma_bytes);
-}
-
struct snd_pcm_ops pxa2xx_pcm_ops = {
- .open = pxa2xx_pcm_open,
- .close = pxa2xx_pcm_close,
+ .open = __pxa2xx_pcm_open,
+ .close = __pxa2xx_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = pxa2xx_pcm_hw_params,
.hw_free = pxa2xx_pcm_hw_free,
- .prepare = pxa2xx_pcm_prepare,
+ .prepare = __pxa2xx_pcm_prepare,
.trigger = pxa2xx_pcm_trigger,
.pointer = pxa2xx_pcm_pointer,
.mmap = pxa2xx_pcm_mmap,
};
-static int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
-{
- struct snd_pcm_substream *substream = pcm->streams[stream].substream;
- struct snd_dma_buffer *buf = &substream->dma_buffer;
- size_t size = pxa2xx_pcm_hardware.buffer_bytes_max;
- buf->dev.type = SNDRV_DMA_TYPE_DEV;
- buf->dev.dev = pcm->card->dev;
- buf->private_data = NULL;
- buf->area = dma_alloc_writecombine(pcm->card->dev, size,
- &buf->addr, GFP_KERNEL);
- if (!buf->area)
- return -ENOMEM;
- buf->bytes = size;
- return 0;
-}
-
-static void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
-{
- struct snd_pcm_substream *substream;
- struct snd_dma_buffer *buf;
- int stream;
-
- for (stream = 0; stream < 2; stream++) {
- substream = pcm->streams[stream].substream;
- if (!substream)
- continue;
-
- buf = &substream->dma_buffer;
- if (!buf->area)
- continue;
-
- dma_free_writecombine(pcm->card->dev, buf->bytes,
- buf->area, buf->addr);
- buf->area = NULL;
- }
-}
-
static u64 pxa2xx_pcm_dmamask = DMA_32BIT_MASK;
-int pxa2xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
+static int pxa2xx_soc_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
struct snd_pcm *pcm)
{
int ret = 0;
@@ -360,7 +113,7 @@ int pxa2xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
struct snd_soc_platform pxa2xx_soc_platform = {
.name = "pxa2xx-audio",
.pcm_ops = &pxa2xx_pcm_ops,
- .pcm_new = pxa2xx_pcm_new,
+ .pcm_new = pxa2xx_soc_pcm_new,
.pcm_free = pxa2xx_pcm_free_dma_buffers,
};
EXPORT_SYMBOL_GPL(pxa2xx_soc_platform);
diff --git a/sound/soc/pxa/pxa2xx-pcm.h b/sound/soc/pxa/pxa2xx-pcm.h
index 54c9c75..60c3b20 100644
--- a/sound/soc/pxa/pxa2xx-pcm.h
+++ b/sound/soc/pxa/pxa2xx-pcm.h
@@ -13,21 +13,6 @@
#ifndef _PXA2XX_PCM_H
#define _PXA2XX_PCM_H
-struct pxa2xx_pcm_dma_params {
- char *name; /* stream identifier */
- u32 dcmd; /* DMA descriptor dcmd field */
- volatile u32 *drcmr; /* the DMA request channel to use */
- u32 dev_addr; /* device physical address for DMA */
-};
-
-struct pxa2xx_gpio {
- u32 sys;
- u32 rx;
- u32 tx;
- u32 clk;
- u32 frm;
-};
-
/* platform data */
extern struct snd_soc_platform pxa2xx_soc_platform;
diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c
index 37cb768..9a70b00 100644
--- a/sound/soc/pxa/spitz.c
+++ b/sound/soc/pxa/spitz.c
@@ -19,16 +19,15 @@
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
-#include <asm/hardware/scoop.h>
#include <mach/pxa-regs.h>
#include <mach/hardware.h>
-#include <mach/akita.h>
#include <mach/spitz.h>
#include "../codecs/wm8750.h"
#include "pxa2xx-pcm.h"
@@ -63,8 +62,8 @@ static void spitz_ext_control(struct snd_soc_codec *codec)
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_enable_pin(codec, "Headphone Jack");
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
+ gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
break;
case SPITZ_MIC:
/* enable mic jack and bias, mute hp */
@@ -72,8 +71,8 @@ static void spitz_ext_control(struct snd_soc_codec *codec)
snd_soc_dapm_disable_pin(codec, "Headset Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_enable_pin(codec, "Mic Jack");
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
+ gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
break;
case SPITZ_LINE:
/* enable line jack, disable mic bias and mute hp */
@@ -81,8 +80,8 @@ static void spitz_ext_control(struct snd_soc_codec *codec)
snd_soc_dapm_disable_pin(codec, "Headset Jack");
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_enable_pin(codec, "Line Jack");
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
+ gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
break;
case SPITZ_HEADSET:
/* enable and unmute headset jack enable mic bias, mute L hp */
@@ -90,8 +89,8 @@ static void spitz_ext_control(struct snd_soc_codec *codec)
snd_soc_dapm_enable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
snd_soc_dapm_enable_pin(codec, "Headset Jack");
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
- set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
+ gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
break;
case SPITZ_HP_OFF:
@@ -100,8 +99,8 @@ static void spitz_ext_control(struct snd_soc_codec *codec)
snd_soc_dapm_disable_pin(codec, "Headset Jack");
snd_soc_dapm_disable_pin(codec, "Mic Jack");
snd_soc_dapm_disable_pin(codec, "Line Jack");
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
- reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
+ gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
break;
}
snd_soc_dapm_sync(codec);
@@ -215,23 +214,14 @@ static int spitz_set_spk(struct snd_kcontrol *kcontrol,
static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
- if (machine_is_borzoi() || machine_is_spitz()) {
- if (SND_SOC_DAPM_EVENT_ON(event))
- set_scoop_gpio(&spitzscoop2_device.dev,
- SPITZ_SCP2_MIC_BIAS);
- else
- reset_scoop_gpio(&spitzscoop2_device.dev,
- SPITZ_SCP2_MIC_BIAS);
- }
+ if (machine_is_borzoi() || machine_is_spitz())
+ gpio_set_value(SPITZ_GPIO_MIC_BIAS,
+ SND_SOC_DAPM_EVENT_ON(event));
+
+ if (machine_is_akita())
+ gpio_set_value(AKITA_GPIO_MIC_BIAS,
+ SND_SOC_DAPM_EVENT_ON(event));
- if (machine_is_akita()) {
- if (SND_SOC_DAPM_EVENT_ON(event))
- akita_set_ioexp(&akitaioexp_device.dev,
- AKITA_IOEXP_MIC_BIAS);
- else
- akita_reset_ioexp(&akitaioexp_device.dev,
- AKITA_IOEXP_MIC_BIAS);
- }
return 0;
}
@@ -337,6 +327,7 @@ static struct snd_soc_machine snd_soc_machine_spitz = {
/* spitz audio private data */
static struct wm8750_setup_data spitz_wm8750_setup = {
+ .i2c_bus = 0,
.i2c_address = 0x1b,
};
diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
index 8089f8e..73a50e9 100644
--- a/sound/soc/s3c24xx/neo1973_wm8753.c
+++ b/sound/soc/s3c24xx/neo1973_wm8753.c
@@ -24,6 +24,7 @@
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
+#include <asm/mach-types.h>
#include <asm/hardware/scoop.h>
#include <mach/regs-clock.h>
#include <mach/regs-gpio.h>
@@ -586,6 +587,7 @@ static struct snd_soc_machine neo1973 = {
};
static struct wm8753_setup_data neo1973_wm8753_setup = {
+ .i2c_bus = 0,
.i2c_address = 0x1a,
};
@@ -596,54 +598,20 @@ static struct snd_soc_device neo1973_snd_devdata = {
.codec_data = &neo1973_wm8753_setup,
};
-static struct i2c_client client_template;
-
-static const unsigned short normal_i2c[] = { 0x7C, I2C_CLIENT_END };
-
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static int lm4857_amp_probe(struct i2c_adapter *adap, int addr, int kind)
+static int lm4857_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- int ret;
-
DBG("Entered %s\n", __func__);
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- printk(KERN_ERR "LM4857 failed to attach at addr %x\n", addr);
- goto exit_err;
- }
-
lm4857_write_regs();
- return ret;
-
-exit_err:
- kfree(i2c);
- return ret;
-}
-
-static int lm4857_i2c_detach(struct i2c_client *client)
-{
- DBG("Entered %s\n", __func__);
-
- i2c_detach_client(client);
- kfree(client);
return 0;
}
-static int lm4857_i2c_attach(struct i2c_adapter *adap)
+static int lm4857_i2c_remove(struct i2c_client *client)
{
DBG("Entered %s\n", __func__);
- return i2c_probe(adap, &addr_data, lm4857_amp_probe);
+ return 0;
}
static u8 lm4857_state;
@@ -681,27 +649,67 @@ static void lm4857_shutdown(struct i2c_client *dev)
lm4857_write_regs();
}
-/* corgi i2c codec control layer */
+static const struct i2c_device_id lm4857_i2c_id[] = {
+ { "neo1973_lm4857", 0 }
+ { }
+};
+
static struct i2c_driver lm4857_i2c_driver = {
.driver = {
.name = "LM4857 I2C Amp",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_LM4857,
.suspend = lm4857_suspend,
.resume = lm4857_resume,
.shutdown = lm4857_shutdown,
- .attach_adapter = lm4857_i2c_attach,
- .detach_client = lm4857_i2c_detach,
- .command = NULL,
-};
-
-static struct i2c_client client_template = {
- .name = "LM4857",
- .driver = &lm4857_i2c_driver,
+ .probe = lm4857_i2c_probe,
+ .remove = lm4857_i2c_remove,
+ .id_table = lm4857_i2c_id,
};
static struct platform_device *neo1973_snd_device;
+static struct i2c_client *lm4857_client;
+
+static int __init neo1973_add_lm4857_device(struct platform_device *pdev,
+ int i2c_bus,
+ unsigned short i2c_address)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&lm4857_i2c_driver);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "can't add lm4857 driver\n");
+ return ret;
+ }
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ info.addr = i2c_address;
+ strlcpy(info.type, "neo1973_lm4857", I2C_NAME_SIZE);
+
+ adapter = i2c_get_adapter(i2c_bus);
+ if (!adapter) {
+ dev_err(&pdev->dev, "can't get i2c adapter %d\n", i2c_bus);
+ goto err_driver;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ i2c_put_adapter(adapter);
+ if (!client) {
+ dev_err(&pdev->dev, "can't add lm4857 device at 0x%x\n",
+ (unsigned int)info.addr);
+ goto err_driver;
+ }
+
+ lm4857_client = client;
+ return 0;
+
+err_driver:
+ i2c_del_driver(&lm4857_i2c_driver);
+ return -ENODEV;
+}
static int __init neo1973_init(void)
{
@@ -709,6 +717,12 @@ static int __init neo1973_init(void)
DBG("Entered %s\n", __func__);
+ if (!machine_is_neo1973_gta01()) {
+ printk(KERN_INFO
+ "Only GTA01 hardware supported by ASoC driver\n");
+ return -ENODEV;
+ }
+
neo1973_snd_device = platform_device_alloc("soc-audio", -1);
if (!neo1973_snd_device)
return -ENOMEM;
@@ -717,12 +731,15 @@ static int __init neo1973_init(void)
neo1973_snd_devdata.dev = &neo1973_snd_device->dev;
ret = platform_device_add(neo1973_snd_device);
- if (ret)
+ if (ret) {
platform_device_put(neo1973_snd_device);
+ return ret;
+ }
- ret = i2c_add_driver(&lm4857_i2c_driver);
+ ret = neo1973_add_lm4857_device(neo1973_snd_device,
+ neo1973_wm8753_setup, 0x7C);
if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ platform_device_unregister(neo1973_snd_device);
return ret;
}
@@ -731,6 +748,7 @@ static void __exit neo1973_exit(void)
{
DBG("Entered %s\n", __func__);
+ i2c_unregister_device(lm4857_client);
i2c_del_driver(&lm4857_i2c_driver);
platform_device_unregister(neo1973_snd_device);
}
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 83f1190..ad38113 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -340,6 +340,12 @@ static int soc_codec_close(struct snd_pcm_substream *substream)
}
codec->active--;
+ /* Muting the DAC suppresses artifacts caused during digital
+ * shutdown, for example from stopping clocks.
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ snd_soc_dai_digital_mute(codec_dai, 1);
+
if (cpu_dai->ops.shutdown)
cpu_dai->ops.shutdown(substream);
@@ -970,9 +976,29 @@ static ssize_t codec_reg_show(struct device *dev,
step = codec->reg_cache_step;
count += sprintf(buf, "%s registers\n", codec->name);
- for (i = 0; i < codec->reg_cache_size; i += step)
- count += sprintf(buf + count, "%2x: %4x\n", i,
- codec->read(codec, i));
+ for (i = 0; i < codec->reg_cache_size; i += step) {
+ count += sprintf(buf + count, "%2x: ", i);
+ if (count >= PAGE_SIZE - 1)
+ break;
+
+ if (codec->display_register)
+ count += codec->display_register(codec, buf + count,
+ PAGE_SIZE - count, i);
+ else
+ count += snprintf(buf + count, PAGE_SIZE - count,
+ "%4x", codec->read(codec, i));
+
+ if (count >= PAGE_SIZE - 1)
+ break;
+
+ count += snprintf(buf + count, PAGE_SIZE - count, "\n");
+ if (count >= PAGE_SIZE - 1)
+ break;
+ }
+
+ /* Truncate count; min() would cause a warning */
+ if (count >= PAGE_SIZE)
+ count = PAGE_SIZE - 1;
return count;
}
@@ -1296,10 +1322,10 @@ int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
- uinfo->value.enumerated.items = e->mask;
+ uinfo->value.enumerated.items = e->max;
- if (uinfo->value.enumerated.item > e->mask - 1)
- uinfo->value.enumerated.item = e->mask - 1;
+ if (uinfo->value.enumerated.item > e->max - 1)
+ uinfo->value.enumerated.item = e->max - 1;
strcpy(uinfo->value.enumerated.name,
e->texts[uinfo->value.enumerated.item]);
return 0;
@@ -1322,7 +1348,7 @@ int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned short val, bitmask;
- for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
;
val = snd_soc_read(codec, e->reg);
ucontrol->value.enumerated.item[0]
@@ -1352,14 +1378,14 @@ int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
unsigned short val;
unsigned short mask, bitmask;
- for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
;
- if (ucontrol->value.enumerated.item[0] > e->mask - 1)
+ if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
val = ucontrol->value.enumerated.item[0] << e->shift_l;
mask = (bitmask - 1) << e->shift_l;
if (e->shift_l != e->shift_r) {
- if (ucontrol->value.enumerated.item[1] > e->mask - 1)
+ if (ucontrol->value.enumerated.item[1] > e->max - 1)
return -EINVAL;
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
mask |= (bitmask - 1) << e->shift_r;
@@ -1386,10 +1412,10 @@ int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
- uinfo->value.enumerated.items = e->mask;
+ uinfo->value.enumerated.items = e->max;
- if (uinfo->value.enumerated.item > e->mask - 1)
- uinfo->value.enumerated.item = e->mask - 1;
+ if (uinfo->value.enumerated.item > e->max - 1)
+ uinfo->value.enumerated.item = e->max - 1;
strcpy(uinfo->value.enumerated.name,
e->texts[uinfo->value.enumerated.item]);
return 0;
@@ -1434,9 +1460,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
- int max = (kcontrol->private_value >> 16) & 0xff;
- int shift = (kcontrol->private_value >> 8) & 0x0f;
- int rshift = (kcontrol->private_value >> 12) & 0x0f;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ int max = mc->max;
+ unsigned int shift = mc->min;
+ unsigned int rshift = mc->rshift;
if (max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
@@ -1462,13 +1490,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int shift = (kcontrol->private_value >> 8) & 0x0f;
- int rshift = (kcontrol->private_value >> 12) & 0x0f;
- int max = (kcontrol->private_value >> 16) & 0xff;
- int mask = (1 << fls(max)) - 1;
- int invert = (kcontrol->private_value >> 24) & 0x01;
+ unsigned int reg = mc->reg;
+ unsigned int shift = mc->shift;
+ unsigned int rshift = mc->rshift;
+ int max = mc->max;
+ unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int invert = mc->invert;
ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg) >> shift) & mask;
@@ -1499,13 +1529,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int shift = (kcontrol->private_value >> 8) & 0x0f;
- int rshift = (kcontrol->private_value >> 12) & 0x0f;
- int max = (kcontrol->private_value >> 16) & 0xff;
- int mask = (1 << fls(max)) - 1;
- int invert = (kcontrol->private_value >> 24) & 0x01;
+ unsigned int reg = mc->reg;
+ unsigned int shift = mc->shift;
+ unsigned int rshift = mc->rshift;
+ int max = mc->max;
+ unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int invert = mc->invert;
unsigned short val, val2, val_mask;
val = (ucontrol->value.integer.value[0] & mask);
@@ -1537,7 +1569,9 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
- int max = (kcontrol->private_value >> 12) & 0xff;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ int max = mc->max;
if (max == 1)
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
@@ -1563,13 +1597,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int reg2 = (kcontrol->private_value >> 24) & 0xff;
- int shift = (kcontrol->private_value >> 8) & 0x0f;
- int max = (kcontrol->private_value >> 12) & 0xff;
- int mask = (1<<fls(max))-1;
- int invert = (kcontrol->private_value >> 20) & 0x01;
+ unsigned int reg = mc->reg;
+ unsigned int reg2 = mc->rreg;
+ unsigned int shift = mc->shift;
+ int max = mc->max;
+ unsigned int mask = (1<<fls(max))-1;
+ unsigned int invert = mc->invert;
ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg) >> shift) & mask;
@@ -1598,13 +1634,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r);
int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int reg2 = (kcontrol->private_value >> 24) & 0xff;
- int shift = (kcontrol->private_value >> 8) & 0x0f;
- int max = (kcontrol->private_value >> 12) & 0xff;
- int mask = (1 << fls(max)) - 1;
- int invert = (kcontrol->private_value >> 20) & 0x01;
+ unsigned int reg = mc->reg;
+ unsigned int reg2 = mc->rreg;
+ unsigned int shift = mc->shift;
+ int max = mc->max;
+ unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int invert = mc->invert;
int err;
unsigned short val, val2, val_mask;
@@ -1641,8 +1679,10 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r);
int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
- int max = (signed char)((kcontrol->private_value >> 16) & 0xff);
- int min = (signed char)((kcontrol->private_value >> 24) & 0xff);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ int max = mc->max;
+ int min = mc->min;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
@@ -1664,9 +1704,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int min = (signed char)((kcontrol->private_value >> 24) & 0xff);
+ unsigned int reg = mc->reg;
+ int min = mc->min;
int val = snd_soc_read(codec, reg);
ucontrol->value.integer.value[0] =
@@ -1689,9 +1731,11 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int min = (signed char)((kcontrol->private_value >> 24) & 0xff);
+ unsigned int reg = mc->reg;
+ int min = mc->min;
unsigned short val;
val = (ucontrol->value.integer.value[0]+min) & 0xff;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index f9d100b..9ca9c08 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -38,6 +38,7 @@
#include <linux/bitops.h>
#include <linux/platform_device.h>
#include <linux/jiffies.h>
+#include <linux/debugfs.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -67,7 +68,9 @@ static int dapm_status = 1;
module_param(dapm_status, int, 0);
MODULE_PARM_DESC(dapm_status, "enable DPM sysfs entries");
-static unsigned int pop_time;
+static struct dentry *asoc_debugfs;
+
+static u32 pop_time;
static void pop_wait(void)
{
@@ -104,10 +107,13 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer: {
int val;
- int reg = w->kcontrols[i].private_value & 0xff;
- int shift = (w->kcontrols[i].private_value >> 8) & 0x0f;
- int mask = (w->kcontrols[i].private_value >> 16) & 0xff;
- int invert = (w->kcontrols[i].private_value >> 24) & 0x01;
+ struct soc_mixer_control *mc = (struct soc_mixer_control *)
+ w->kcontrols[i].private_value;
+ unsigned int reg = mc->reg;
+ unsigned int shift = mc->shift;
+ int max = mc->max;
+ unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int invert = mc->invert;
val = snd_soc_read(w->codec, reg);
val = (val >> shift) & mask;
@@ -122,13 +128,13 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value;
int val, item, bitmask;
- for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
;
val = snd_soc_read(w->codec, e->reg);
item = (val >> e->shift_l) & (bitmask - 1);
p->connect = 0;
- for (i = 0; i < e->mask; i++) {
+ for (i = 0; i < e->max; i++) {
if (!(strcmp(p->name, e->texts[i])) && item == i)
p->connect = 1;
}
@@ -165,7 +171,7 @@ static int dapm_connect_mux(struct snd_soc_codec *codec,
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
int i;
- for (i = 0; i < e->mask; i++) {
+ for (i = 0; i < e->max; i++) {
if (!(strcmp(control_name, e->texts[i]))) {
list_add(&path->list, &codec->dapm_paths);
list_add(&path->list_sink, &dest->sources);
@@ -247,16 +253,19 @@ static int dapm_set_pga(struct snd_soc_dapm_widget *widget, int power)
return 0;
if (widget->num_kcontrols && k) {
- int reg = k->private_value & 0xff;
- int shift = (k->private_value >> 8) & 0x0f;
- int mask = (k->private_value >> 16) & 0xff;
- int invert = (k->private_value >> 24) & 0x01;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)k->private_value;
+ unsigned int reg = mc->reg;
+ unsigned int shift = mc->shift;
+ int max = mc->max;
+ unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int invert = mc->invert;
if (power) {
int i;
/* power up has happended, increase volume to last level */
if (invert) {
- for (i = mask; i > widget->saved_value; i--)
+ for (i = max; i > widget->saved_value; i--)
snd_soc_update_bits(widget->codec, reg, mask, i);
} else {
for (i = 0; i < widget->saved_value; i++)
@@ -684,7 +693,7 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
/* test and update the power status of a mux widget */
static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
struct snd_kcontrol *kcontrol, int mask,
- int val, struct soc_enum* e)
+ int mux, int val, struct soc_enum *e)
{
struct snd_soc_dapm_path *path;
int found = 0;
@@ -700,12 +709,12 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
if (path->kcontrol != kcontrol)
continue;
- if (!path->name || ! e->texts[val])
+ if (!path->name || !e->texts[mux])
continue;
found = 1;
/* we now need to match the string in the enum to the path */
- if (!(strcmp(path->name, e->texts[val])))
+ if (!(strcmp(path->name, e->texts[mux])))
path->connect = 1; /* new connection */
else
path->connect = 0; /* old connection must be powered down */
@@ -811,51 +820,35 @@ static ssize_t dapm_widget_show(struct device *dev,
static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
-/* pop/click delay times */
-static ssize_t dapm_pop_time_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%d\n", pop_time);
-}
-
-static ssize_t dapm_pop_time_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-
-{
- unsigned long val;
-
- if (strict_strtoul(buf, 10, &val) >= 0)
- pop_time = val;
- else
- printk(KERN_ERR "Unable to parse pop_time setting\n");
-
- return count;
-}
-
-static DEVICE_ATTR(dapm_pop_time, 0744, dapm_pop_time_show,
- dapm_pop_time_store);
-
int snd_soc_dapm_sys_add(struct device *dev)
{
int ret = 0;
- if (dapm_status) {
- ret = device_create_file(dev, &dev_attr_dapm_widget);
+ if (!dapm_status)
+ return 0;
- if (ret == 0)
- ret = device_create_file(dev, &dev_attr_dapm_pop_time);
- }
+ ret = device_create_file(dev, &dev_attr_dapm_widget);
+ if (ret != 0)
+ return ret;
- return ret;
+ asoc_debugfs = debugfs_create_dir("asoc", NULL);
+ if (!IS_ERR(asoc_debugfs))
+ debugfs_create_u32("dapm_pop_time", 0744, asoc_debugfs,
+ &pop_time);
+ else
+ asoc_debugfs = NULL;
+
+ return 0;
}
static void snd_soc_dapm_sys_remove(struct device *dev)
{
if (dapm_status) {
- device_remove_file(dev, &dev_attr_dapm_pop_time);
device_remove_file(dev, &dev_attr_dapm_widget);
}
+
+ if (asoc_debugfs)
+ debugfs_remove_recursive(asoc_debugfs);
}
/* free all dapm widgets and resources */
@@ -1133,12 +1126,14 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int shift = (kcontrol->private_value >> 8) & 0x0f;
- int rshift = (kcontrol->private_value >> 12) & 0x0f;
- int max = (kcontrol->private_value >> 16) & 0xff;
- int invert = (kcontrol->private_value >> 24) & 0x01;
- int mask = (1 << fls(max)) - 1;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int reg = mc->reg;
+ unsigned int shift = mc->shift;
+ unsigned int rshift = mc->rshift;
+ int max = mc->max;
+ unsigned int invert = mc->invert;
+ unsigned int mask = (1 << fls(max)) - 1;
/* return the saved value if we are powered down */
if (widget->id == snd_soc_dapm_pga && !widget->power) {
@@ -1176,12 +1171,14 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
- int reg = kcontrol->private_value & 0xff;
- int shift = (kcontrol->private_value >> 8) & 0x0f;
- int rshift = (kcontrol->private_value >> 12) & 0x0f;
- int max = (kcontrol->private_value >> 16) & 0xff;
- int mask = (1 << fls(max)) - 1;
- int invert = (kcontrol->private_value >> 24) & 0x01;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int reg = mc->reg;
+ unsigned int shift = mc->shift;
+ unsigned int rshift = mc->rshift;
+ int max = mc->max;
+ unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int invert = mc->invert;
unsigned short val, val2, val_mask;
int ret;
@@ -1248,7 +1245,7 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned short val, bitmask;
- for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
;
val = snd_soc_read(widget->codec, e->reg);
ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
@@ -1278,15 +1275,15 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
unsigned short mask, bitmask;
int ret = 0;
- for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
;
- if (ucontrol->value.enumerated.item[0] > e->mask - 1)
+ if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
mux = ucontrol->value.enumerated.item[0];
val = mux << e->shift_l;
mask = (bitmask - 1) << e->shift_l;
if (e->shift_l != e->shift_r) {
- if (ucontrol->value.enumerated.item[1] > e->mask - 1)
+ if (ucontrol->value.enumerated.item[1] > e->max - 1)
return -EINVAL;
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
mask |= (bitmask - 1) << e->shift_r;
@@ -1294,7 +1291,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
mutex_lock(&widget->codec->mutex);
widget->value = val;
- dapm_mux_update_power(widget, kcontrol, mask, mux, e);
+ dapm_mux_update_power(widget, kcontrol, mask, mux, val, e);
if (widget->event) {
if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
ret = widget->event(widget,
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