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
config SND_BF6XX_SOC_I2S
tristate
-config SND_BF5XX_SOC_TDM
- tristate
-
config SND_BF5XX_SOC_AC97
tristate
# 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
+++ /dev/null
-/*
- * 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");
+++ /dev/null
-/*
- * 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");
-
+++ /dev/null
-/*
- * 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
projects / karo-tx-linux.git / commitdiff