diff options
| -rw-r--r-- | sound/soc/blackfin/Kconfig | 13 | ||||
| -rw-r--r-- | sound/soc/blackfin/Makefile | 4 | ||||
| -rw-r--r-- | sound/soc/blackfin/bf5xx-tdm-pcm.c | 343 | ||||
| -rw-r--r-- | sound/soc/blackfin/bf5xx-tdm.c | 328 | ||||
| -rw-r--r-- | sound/soc/blackfin/bf5xx-tdm.h | 23 |
5 files changed, 0 insertions, 711 deletions
diff --git a/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig index 4a67865..54f74f8 100644 --- a/sound/soc/blackfin/Kconfig +++ b/sound/soc/blackfin/Kconfig @@ -89,16 +89,6 @@ config SND_BFIN_AD73311_SE Enter the GPIO used to control AD73311's SE pin. Acceptable values are 0 to 7 -config SND_BF5XX_TDM - tristate "SoC I2S(TDM mode) Audio for the ADI BF5xx chip" - depends on (BLACKFIN && SND_SOC) - select SND_BF5XX_SOC_SPORT - help - Say Y or M if you want to add support for codecs attached to - the Blackfin SPORT (synchronous serial ports) interface in TDM - mode. - You will also need to select the audio interfaces to support below. - config SND_BF5XX_AC97 tristate "SoC AC97 Audio for the ADI BF5xx chip" depends on BLACKFIN @@ -174,9 +164,6 @@ config SND_BF5XX_SOC_I2S config SND_BF6XX_SOC_I2S tristate -config SND_BF5XX_SOC_TDM - tristate - config SND_BF5XX_SOC_AC97 tristate diff --git a/sound/soc/blackfin/Makefile b/sound/soc/blackfin/Makefile index 6fea1f4..ad0a6e9 100644 --- a/sound/soc/blackfin/Makefile +++ b/sound/soc/blackfin/Makefile @@ -1,23 +1,19 @@ # Blackfin Platform Support snd-bf5xx-ac97-objs := bf5xx-ac97-pcm.o snd-bf5xx-i2s-objs := bf5xx-i2s-pcm.o -snd-bf5xx-tdm-objs := bf5xx-tdm-pcm.o snd-soc-bf5xx-sport-objs := bf5xx-sport.o snd-soc-bf6xx-sport-objs := bf6xx-sport.o snd-soc-bf5xx-ac97-objs := bf5xx-ac97.o snd-soc-bf5xx-i2s-objs := bf5xx-i2s.o snd-soc-bf6xx-i2s-objs := bf6xx-i2s.o -snd-soc-bf5xx-tdm-objs := bf5xx-tdm.o obj-$(CONFIG_SND_BF5XX_AC97) += snd-bf5xx-ac97.o obj-$(CONFIG_SND_BF5XX_I2S) += snd-bf5xx-i2s.o -obj-$(CONFIG_SND_BF5XX_TDM) += snd-bf5xx-tdm.o obj-$(CONFIG_SND_BF5XX_SOC_SPORT) += snd-soc-bf5xx-sport.o obj-$(CONFIG_SND_BF6XX_SOC_SPORT) += snd-soc-bf6xx-sport.o obj-$(CONFIG_SND_BF5XX_SOC_AC97) += snd-soc-bf5xx-ac97.o obj-$(CONFIG_SND_BF5XX_SOC_I2S) += snd-soc-bf5xx-i2s.o obj-$(CONFIG_SND_BF6XX_SOC_I2S) += snd-soc-bf6xx-i2s.o -obj-$(CONFIG_SND_BF5XX_SOC_TDM) += snd-soc-bf5xx-tdm.o # Blackfin Machine Support snd-ad1836-objs := bf5xx-ad1836.o diff --git a/sound/soc/blackfin/bf5xx-tdm-pcm.c b/sound/soc/blackfin/bf5xx-tdm-pcm.c deleted file mode 100644 index a6b5457..0000000 --- a/sound/soc/blackfin/bf5xx-tdm-pcm.c +++ /dev/null @@ -1,343 +0,0 @@ -/* - * File: sound/soc/blackfin/bf5xx-tdm-pcm.c - * Author: Barry Song <Barry.Song@analog.com> - * - * Created: Tue June 06 2009 - * Description: DMA driver for tdm codec - * - * Modified: - * Copyright 2009 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/dma-mapping.h> -#include <linux/gfp.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include <asm/dma.h> - -#include "bf5xx-tdm.h" -#include "bf5xx-sport.h" - -#define PCM_BUFFER_MAX 0x8000 -#define FRAGMENT_SIZE_MIN (4*1024) -#define FRAGMENTS_MIN 2 -#define FRAGMENTS_MAX 32 - -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_BLOCK_TRANSFER | - SNDRV_PCM_INFO_RESUME), - .formats = SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_48000, - .channels_min = 2, - .channels_max = 8, - .buffer_bytes_max = PCM_BUFFER_MAX, - .period_bytes_min = FRAGMENT_SIZE_MIN, - .period_bytes_max = PCM_BUFFER_MAX/2, - .periods_min = FRAGMENTS_MIN, - .periods_max = FRAGMENTS_MAX, -}; - -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 * 4); - - 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 fragsize_bytes = frames_to_bytes(runtime, runtime->period_size); - - fragsize_bytes /= runtime->channels; - /* inflate the fragsize to match the dma width of SPORT */ - fragsize_bytes *= 8; - - 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, fragsize_bytes); - } else { - sport_set_rx_callback(sport, bf5xx_dma_irq, substream); - sport_config_rx_dma(sport, runtime->dma_area, - runtime->periods, fragsize_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; - - 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; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - diff = sport_curr_offset_tx(sport); - frames = diff / (8*4); /* 32 bytes per frame */ - } else { - diff = sport_curr_offset_rx(sport); - frames = diff / (8*4); - } - return frames; -} - -static int bf5xx_pcm_open(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai); - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_dma_buffer *buf = &substream->dma_buffer; - - int ret = 0; - - 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) { - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - sport_handle->tx_buf = buf->area; - else - sport_handle->rx_buf = buf->area; - - runtime->private_data = sport_handle; - } else { - pr_err("sport_handle is NULL\n"); - ret = -ENODEV; - } -out: - return ret; -} - -static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, void *buf, snd_pcm_uframes_t count) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct sport_device *sport = runtime->private_data; - struct bf5xx_tdm_port *tdm_port = sport->private_data; - unsigned int *src; - unsigned int *dst; - int i; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - src = buf; - dst = (unsigned int *)substream->runtime->dma_area; - - dst += pos * 8; - while (count--) { - for (i = 0; i < substream->runtime->channels; i++) - *(dst + tdm_port->tx_map[i]) = *src++; - dst += 8; - } - } else { - src = (unsigned int *)substream->runtime->dma_area; - dst = buf; - - src += pos * 8; - while (count--) { - for (i = 0; i < substream->runtime->channels; i++) - *dst++ = *(src + tdm_port->rx_map[i]); - src += 8; - } - } - - return 0; -} - -static int bf5xx_pcm_silence(struct snd_pcm_substream *substream, - int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count) -{ - unsigned char *buf = substream->runtime->dma_area; - buf += pos * 8 * 4; - memset(buf, '\0', count * 8 * 4); - - return 0; -} - -static struct snd_pcm_ops bf5xx_pcm_tdm_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, - .copy = bf5xx_pcm_copy, - .silence = bf5xx_pcm_silence, -}; - -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 * 4, - &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; - - 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; - } -} - -static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32); - -static int bf5xx_pcm_tdm_new(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_card *card = rtd->card->snd_card; - struct snd_pcm *pcm = rtd->pcm; - int ret = 0; - - if (!card->dev->dma_mask) - card->dev->dma_mask = &bf5xx_pcm_dmamask; - if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - - if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { - ret = bf5xx_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_PLAYBACK); - if (ret) - goto out; - } - - if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - ret = bf5xx_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_CAPTURE); - if (ret) - goto out; - } -out: - return ret; -} - -static struct snd_soc_platform_driver bf5xx_tdm_soc_platform = { - .ops = &bf5xx_pcm_tdm_ops, - .pcm_new = bf5xx_pcm_tdm_new, - .pcm_free = bf5xx_pcm_free_dma_buffers, -}; - -static int bf5xx_soc_platform_probe(struct platform_device *pdev) -{ - return snd_soc_register_platform(&pdev->dev, &bf5xx_tdm_soc_platform); -} - -static int bf5xx_soc_platform_remove(struct platform_device *pdev) -{ - snd_soc_unregister_platform(&pdev->dev); - return 0; -} - -static struct platform_driver bfin_tdm_driver = { - .driver = { - .name = "bfin-tdm-pcm-audio", - .owner = THIS_MODULE, - }, - - .probe = bf5xx_soc_platform_probe, - .remove = bf5xx_soc_platform_remove, -}; - -module_platform_driver(bfin_tdm_driver); - -MODULE_AUTHOR("Barry Song"); -MODULE_DESCRIPTION("ADI Blackfin TDM PCM DMA module"); -MODULE_LICENSE("GPL"); diff --git a/sound/soc/blackfin/bf5xx-tdm.c b/sound/soc/blackfin/bf5xx-tdm.c deleted file mode 100644 index aa08516..0000000 --- a/sound/soc/blackfin/bf5xx-tdm.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - * File: sound/soc/blackfin/bf5xx-tdm.c - * Author: Barry Song <Barry.Song@analog.com> - * - * Created: Thurs June 04 2009 - * Description: Blackfin I2S(TDM) CPU DAI driver - * Even though TDM mode can be as part of I2S DAI, but there - * are so much difference in configuration and data flow, - * it's very ugly to integrate I2S and TDM into a module - * - * Modified: - * Copyright 2009 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 <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-tdm.h" - -static int bf5xx_tdm_set_dai_fmt(struct snd_soc_dai *cpu_dai, - unsigned int fmt) -{ - int ret = 0; - - /* interface format:support TDM,slave mode */ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_DSP_A: - break; - default: - printk(KERN_ERR "%s: Unknown DAI format type\n", __func__); - ret = -EINVAL; - break; - } - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - break; - case SND_SOC_DAIFMT_CBS_CFS: - case SND_SOC_DAIFMT_CBM_CFS: - case SND_SOC_DAIFMT_CBS_CFM: - ret = -EINVAL; - break; - default: - printk(KERN_ERR "%s: Unknown DAI master type\n", __func__); - ret = -EINVAL; - break; - } - - return ret; -} - -static int bf5xx_tdm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); - struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data; - int ret = 0; - - bf5xx_tdm->tcr2 &= ~0x1f; - bf5xx_tdm->rcr2 &= ~0x1f; - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S32_LE: - bf5xx_tdm->tcr2 |= 31; - bf5xx_tdm->rcr2 |= 31; - sport_handle->wdsize = 4; - break; - /* at present, we only support 32bit transfer */ - default: - pr_err("not supported PCM format yet\n"); - return -EINVAL; - break; - } - - if (!bf5xx_tdm->configured) { - /* - * 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:slave mode. - */ - ret = sport_config_rx(sport_handle, bf5xx_tdm->rcr1, - bf5xx_tdm->rcr2, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - return -EBUSY; - } - - ret = sport_config_tx(sport_handle, bf5xx_tdm->tcr1, - bf5xx_tdm->tcr2, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - return -EBUSY; - } - - bf5xx_tdm->configured = 1; - } - - return 0; -} - -static void bf5xx_tdm_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); - struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data; - - /* No active stream, SPORT is allowed to be configured again. */ - if (!dai->active) - bf5xx_tdm->configured = 0; -} - -static int bf5xx_tdm_set_channel_map(struct snd_soc_dai *dai, - unsigned int tx_num, unsigned int *tx_slot, - unsigned int rx_num, unsigned int *rx_slot) -{ - struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai); - struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data; - int i; - unsigned int slot; - unsigned int tx_mapped = 0, rx_mapped = 0; - - if ((tx_num > BFIN_TDM_DAI_MAX_SLOTS) || - (rx_num > BFIN_TDM_DAI_MAX_SLOTS)) - return -EINVAL; - - for (i = 0; i < tx_num; i++) { - slot = tx_slot[i]; - if ((slot < BFIN_TDM_DAI_MAX_SLOTS) && - (!(tx_mapped & (1 << slot)))) { - bf5xx_tdm->tx_map[i] = slot; - tx_mapped |= 1 << slot; - } else - return -EINVAL; - } - for (i = 0; i < rx_num; i++) { - slot = rx_slot[i]; - if ((slot < BFIN_TDM_DAI_MAX_SLOTS) && - (!(rx_mapped & (1 << slot)))) { - bf5xx_tdm->rx_map[i] = slot; - rx_mapped |= 1 << slot; - } else - return -EINVAL; - } - - return 0; -} - -#ifdef CONFIG_PM -static int bf5xx_tdm_suspend(struct snd_soc_dai *dai) -{ - struct sport_device *sport = snd_soc_dai_get_drvdata(dai); - - if (dai->playback_active) - sport_tx_stop(sport); - if (dai->capture_active) - sport_rx_stop(sport); - - /* isolate sync/clock pins from codec while sports resume */ - peripheral_free_list(sport->pin_req); - - return 0; -} - -static int bf5xx_tdm_resume(struct snd_soc_dai *dai) -{ - int ret; - struct sport_device *sport = snd_soc_dai_get_drvdata(dai); - - ret = sport_set_multichannel(sport, 8, 0xFF, 0xFF, 1); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - } - - ret = sport_config_rx(sport, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - } - - ret = sport_config_tx(sport, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - } - - peripheral_request_list(sport->pin_req, "soc-audio"); - - return 0; -} - -#else -#define bf5xx_tdm_suspend NULL -#define bf5xx_tdm_resume NULL -#endif - -static const struct snd_soc_dai_ops bf5xx_tdm_dai_ops = { - .hw_params = bf5xx_tdm_hw_params, - .set_fmt = bf5xx_tdm_set_dai_fmt, - .shutdown = bf5xx_tdm_shutdown, - .set_channel_map = bf5xx_tdm_set_channel_map, -}; - -static struct snd_soc_dai_driver bf5xx_tdm_dai = { - .suspend = bf5xx_tdm_suspend, - .resume = bf5xx_tdm_resume, - .playback = { - .channels_min = 2, - .channels_max = 8, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S32_LE,}, - .capture = { - .channels_min = 2, - .channels_max = 8, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S32_LE,}, - .ops = &bf5xx_tdm_dai_ops, -}; - -static const struct snd_soc_component_driver bf5xx_tdm_component = { - .name = "bf5xx-tdm", -}; - -static int bfin_tdm_probe(struct platform_device *pdev) -{ - struct sport_device *sport_handle; - int ret; - - /* configure SPORT for TDM */ - sport_handle = sport_init(pdev, 4, 8 * sizeof(u32), - sizeof(struct bf5xx_tdm_port)); - if (!sport_handle) - return -ENODEV; - - /* SPORT works in TDM mode */ - ret = sport_set_multichannel(sport_handle, 8, 0xFF, 0xFF, 1); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - goto sport_config_err; - } - - ret = sport_config_rx(sport_handle, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - goto sport_config_err; - } - - ret = sport_config_tx(sport_handle, 0, 0x1F, 0, 0); - if (ret) { - pr_err("SPORT is busy!\n"); - ret = -EBUSY; - goto sport_config_err; - } - - ret = snd_soc_register_component(&pdev->dev, &bf5xx_tdm_component, - &bf5xx_tdm_dai, 1); - if (ret) { - pr_err("Failed to register DAI: %d\n", ret); - goto sport_config_err; - } - - return 0; - -sport_config_err: - sport_done(sport_handle); - return ret; -} - -static int bfin_tdm_remove(struct platform_device *pdev) -{ - struct sport_device *sport_handle = platform_get_drvdata(pdev); - - snd_soc_unregister_component(&pdev->dev); - sport_done(sport_handle); - - return 0; -} - -static struct platform_driver bfin_tdm_driver = { - .probe = bfin_tdm_probe, - .remove = bfin_tdm_remove, - .driver = { - .name = "bfin-tdm", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(bfin_tdm_driver); - -/* Module information */ -MODULE_AUTHOR("Barry Song"); -MODULE_DESCRIPTION("TDM driver for ADI Blackfin"); -MODULE_LICENSE("GPL"); - diff --git a/sound/soc/blackfin/bf5xx-tdm.h b/sound/soc/blackfin/bf5xx-tdm.h deleted file mode 100644 index e986a3e..0000000 --- a/sound/soc/blackfin/bf5xx-tdm.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * sound/soc/blackfin/bf5xx-tdm.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_TDM_H -#define _BF5XX_TDM_H - -#define BFIN_TDM_DAI_MAX_SLOTS 8 -struct bf5xx_tdm_port { - u16 tcr1; - u16 rcr1; - u16 tcr2; - u16 rcr2; - unsigned int tx_map[BFIN_TDM_DAI_MAX_SLOTS]; - unsigned int rx_map[BFIN_TDM_DAI_MAX_SLOTS]; - int configured; -}; - -#endif |
