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ASoC: blackfin: Remove bf5xx-tdm driver 

Now that the bf5xx-i2s driver supports TDM mode and all users of the bf5xx-tdm
driver have been switch over to using the bf5xx-i2s driver there is no need to
keep the b5fxx-tdm driver around.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Lars-Peter Clausen 2013-05-28 19:22:17 +02:00 коммит произвёл Mark Brown
Родитель 34f4095564
Коммит cc37961b21
5 изменённых файлов: 0 добавлений и 711 удалений
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13
sound/soc/blackfin/Kconfig
Просмотреть файл

@ -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

4
sound/soc/blackfin/Makefile
Просмотреть файл

@ -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

343
sound/soc/blackfin/bf5xx-tdm-pcm.c
Просмотреть файл

@ -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");

328
sound/soc/blackfin/bf5xx-tdm.c
Просмотреть файл

@ -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");

23
sound/soc/blackfin/bf5xx-tdm.h
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/*
* 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