summaryrefslogtreecommitdiffstats
path: root/sound/soc/omap/sdp3430.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/omap/sdp3430.c')
-rw-r--r--sound/soc/omap/sdp3430.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c
deleted file mode 100644
index b462a2c..0000000
--- a/sound/soc/omap/sdp3430.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * sdp3430.c -- SoC audio for TI OMAP3430 SDP
- *
- * Author: Misael Lopez Cruz <x0052729@ti.com>
- *
- * Based on:
- * Author: Steve Sakoman <steve@sakoman.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.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#include <linux/clk.h>
-#include <linux/platform_device.h>
-#include <linux/i2c/twl.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/jack.h>
-
-#include <asm/mach-types.h>
-#include <linux/platform_data/gpio-omap.h>
-#include <linux/platform_data/asoc-ti-mcbsp.h>
-
-/* Register descriptions for twl4030 codec part */
-#include <linux/mfd/twl4030-audio.h>
-#include <linux/module.h>
-
-#include "omap-mcbsp.h"
-#include "omap-pcm.h"
-
-/* TWL4030 PMBR1 Register */
-#define TWL4030_INTBR_PMBR1 0x0D
-/* TWL4030 PMBR1 Register GPIO6 mux bit */
-#define TWL4030_GPIO6_PWM0_MUTE(value) (value << 2)
-
-static struct snd_soc_card snd_soc_sdp3430;
-
-static int sdp3430_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->codec_dai;
- int ret;
-
- /* Set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
- SND_SOC_CLOCK_IN);
- if (ret < 0) {
- printk(KERN_ERR "can't set codec system clock\n");
- return ret;
- }
-
- return 0;
-}
-
-static struct snd_soc_ops sdp3430_ops = {
- .hw_params = sdp3430_hw_params,
-};
-
-/* Headset jack */
-static struct snd_soc_jack hs_jack;
-
-/* Headset jack detection DAPM pins */
-static struct snd_soc_jack_pin hs_jack_pins[] = {
- {
- .pin = "Headset Mic",
- .mask = SND_JACK_MICROPHONE,
- },
- {
- .pin = "Headset Stereophone",
- .mask = SND_JACK_HEADPHONE,
- },
-};
-
-/* Headset jack detection gpios */
-static struct snd_soc_jack_gpio hs_jack_gpios[] = {
- {
- .gpio = (OMAP_MAX_GPIO_LINES + 2),
- .name = "hsdet-gpio",
- .report = SND_JACK_HEADSET,
- .debounce_time = 200,
- },
-};
-
-/* SDP3430 machine DAPM */
-static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = {
- SND_SOC_DAPM_MIC("Ext Mic", NULL),
- SND_SOC_DAPM_SPK("Ext Spk", NULL),
- SND_SOC_DAPM_MIC("Headset Mic", NULL),
- SND_SOC_DAPM_HP("Headset Stereophone", NULL),
-};
-
-static const struct snd_soc_dapm_route audio_map[] = {
- /* External Mics: MAINMIC, SUBMIC with bias*/
- {"MAINMIC", NULL, "Mic Bias 1"},
- {"SUBMIC", NULL, "Mic Bias 2"},
- {"Mic Bias 1", NULL, "Ext Mic"},
- {"Mic Bias 2", NULL, "Ext Mic"},
-
- /* External Speakers: HFL, HFR */
- {"Ext Spk", NULL, "HFL"},
- {"Ext Spk", NULL, "HFR"},
-
- /* Headset Mic: HSMIC with bias */
- {"HSMIC", NULL, "Headset Mic Bias"},
- {"Headset Mic Bias", NULL, "Headset Mic"},
-
- /* Headset Stereophone (Headphone): HSOL, HSOR */
- {"Headset Stereophone", NULL, "HSOL"},
- {"Headset Stereophone", NULL, "HSOR"},
-};
-
-static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_codec *codec = rtd->codec;
- struct snd_soc_dapm_context *dapm = &codec->dapm;
- int ret;
-
- /* SDP3430 connected pins */
- snd_soc_dapm_enable_pin(dapm, "Ext Mic");
- snd_soc_dapm_enable_pin(dapm, "Ext Spk");
- snd_soc_dapm_disable_pin(dapm, "Headset Mic");
- snd_soc_dapm_disable_pin(dapm, "Headset Stereophone");
-
- /* TWL4030 not connected pins */
- snd_soc_dapm_nc_pin(dapm, "AUXL");
- snd_soc_dapm_nc_pin(dapm, "AUXR");
- snd_soc_dapm_nc_pin(dapm, "CARKITMIC");
- snd_soc_dapm_nc_pin(dapm, "DIGIMIC0");
- snd_soc_dapm_nc_pin(dapm, "DIGIMIC1");
-
- snd_soc_dapm_nc_pin(dapm, "OUTL");
- snd_soc_dapm_nc_pin(dapm, "OUTR");
- snd_soc_dapm_nc_pin(dapm, "EARPIECE");
- snd_soc_dapm_nc_pin(dapm, "PREDRIVEL");
- snd_soc_dapm_nc_pin(dapm, "PREDRIVER");
- snd_soc_dapm_nc_pin(dapm, "CARKITL");
- snd_soc_dapm_nc_pin(dapm, "CARKITR");
-
- /* Headset jack detection */
- ret = snd_soc_jack_new(codec, "Headset Jack",
- SND_JACK_HEADSET, &hs_jack);
- if (ret)
- return ret;
-
- ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
- hs_jack_pins);
- if (ret)
- return ret;
-
- ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
- hs_jack_gpios);
-
- return ret;
-}
-
-static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_codec *codec = rtd->codec;
- unsigned short reg;
-
- /* Enable voice interface */
- reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF);
- reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN;
- codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg);
-
- return 0;
-}
-
-
-/* Digital audio interface glue - connects codec <--> CPU */
-static struct snd_soc_dai_link sdp3430_dai[] = {
- {
- .name = "TWL4030 I2S",
- .stream_name = "TWL4030 Audio",
- .cpu_dai_name = "omap-mcbsp.2",
- .codec_dai_name = "twl4030-hifi",
- .platform_name = "omap-pcm-audio",
- .codec_name = "twl4030-codec",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBM_CFM,
- .init = sdp3430_twl4030_init,
- .ops = &sdp3430_ops,
- },
- {
- .name = "TWL4030 PCM",
- .stream_name = "TWL4030 Voice",
- .cpu_dai_name = "omap-mcbsp.3",
- .codec_dai_name = "twl4030-voice",
- .platform_name = "omap-pcm-audio",
- .codec_name = "twl4030-codec",
- .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
- SND_SOC_DAIFMT_CBM_CFM,
- .init = sdp3430_twl4030_voice_init,
- .ops = &sdp3430_ops,
- },
-};
-
-/* Audio machine driver */
-static struct snd_soc_card snd_soc_sdp3430 = {
- .name = "SDP3430",
- .owner = THIS_MODULE,
- .dai_link = sdp3430_dai,
- .num_links = ARRAY_SIZE(sdp3430_dai),
-
- .dapm_widgets = sdp3430_twl4030_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(sdp3430_twl4030_dapm_widgets),
- .dapm_routes = audio_map,
- .num_dapm_routes = ARRAY_SIZE(audio_map),
-};
-
-static struct platform_device *sdp3430_snd_device;
-
-static int __init sdp3430_soc_init(void)
-{
- int ret;
- u8 pin_mux;
-
- if (!machine_is_omap_3430sdp())
- return -ENODEV;
- printk(KERN_INFO "SDP3430 SoC init\n");
-
- sdp3430_snd_device = platform_device_alloc("soc-audio", -1);
- if (!sdp3430_snd_device) {
- printk(KERN_ERR "Platform device allocation failed\n");
- return -ENOMEM;
- }
-
- platform_set_drvdata(sdp3430_snd_device, &snd_soc_sdp3430);
-
- /* Set TWL4030 GPIO6 as EXTMUTE signal */
- twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
- TWL4030_INTBR_PMBR1);
- pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
- pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02);
- twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
- TWL4030_INTBR_PMBR1);
-
- ret = platform_device_add(sdp3430_snd_device);
- if (ret)
- goto err1;
-
- return 0;
-
-err1:
- printk(KERN_ERR "Unable to add platform device\n");
- platform_device_put(sdp3430_snd_device);
-
- return ret;
-}
-module_init(sdp3430_soc_init);
-
-static void __exit sdp3430_soc_exit(void)
-{
- snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
- hs_jack_gpios);
-
- platform_device_unregister(sdp3430_snd_device);
-}
-module_exit(sdp3430_soc_exit);
-
-MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>");
-MODULE_DESCRIPTION("ALSA SoC SDP3430");
-MODULE_LICENSE("GPL");
-
OpenPOWER on IntegriCloud