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-rw-r--r--sound/soc/blackfin/Kconfig47
-rw-r--r--sound/soc/blackfin/Makefile4
-rw-r--r--sound/soc/blackfin/bf5xx-ac97-pcm.c1
-rw-r--r--sound/soc/blackfin/bf5xx-ac97-pcm.h26
-rw-r--r--sound/soc/blackfin/bf5xx-ac97.c8
-rw-r--r--sound/soc/blackfin/bf5xx-ad1836.c19
-rw-r--r--sound/soc/blackfin/bf5xx-ad193x.c40
-rw-r--r--sound/soc/blackfin/bf5xx-ad1980.c1
-rw-r--r--sound/soc/blackfin/bf5xx-ad73311.c1
-rw-r--r--sound/soc/blackfin/bf5xx-i2s-pcm.c183
-rw-r--r--sound/soc/blackfin/bf5xx-i2s-pcm.h21
-rw-r--r--sound/soc/blackfin/bf5xx-i2s.c129
-rw-r--r--sound/soc/blackfin/bf5xx-sport.c10
-rw-r--r--sound/soc/blackfin/bf5xx-sport.h2
-rw-r--r--sound/soc/blackfin/bf5xx-ssm2602.c1
-rw-r--r--sound/soc/blackfin/bf5xx-tdm-pcm.c345
-rw-r--r--sound/soc/blackfin/bf5xx-tdm-pcm.h18
-rw-r--r--sound/soc/blackfin/bf5xx-tdm.c328
-rw-r--r--sound/soc/blackfin/bf5xx-tdm.h23
19 files changed, 277 insertions, 930 deletions
diff --git a/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig
index 16b88f5..54f74f8 100644
--- a/sound/soc/blackfin/Kconfig
+++ b/sound/soc/blackfin/Kconfig
@@ -56,6 +56,23 @@ config SND_SOC_BFIN_EVAL_ADAV80X
Note: This driver assumes that the ADAV80X digital record and playback
interfaces are connected to the first SPORT port on the BF5XX board.
+config SND_BF5XX_SOC_AD1836
+ tristate "SoC AD1836 Audio support for BF5xx"
+ depends on SND_BF5XX_I2S
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_AD1836
+ help
+ Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
+
+config SND_BF5XX_SOC_AD193X
+ tristate "SoC AD193X Audio support for Blackfin"
+ depends on SND_BF5XX_I2S
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_AD193X
+ help
+ Say Y if you want to add support for AD193X codec on Blackfin.
+ This driver supports AD1936, AD1937, AD1938 and AD1939.
+
config SND_BF5XX_SOC_AD73311
tristate "SoC AD73311 Audio support for Blackfin"
depends on SND_BF5XX_I2S
@@ -72,33 +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_SOC_AD1836
- tristate "SoC AD1836 Audio support for BF5xx"
- depends on SND_BF5XX_TDM
- select SND_BF5XX_SOC_TDM
- select SND_SOC_AD1836
- help
- Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
-
-config SND_BF5XX_SOC_AD193X
- tristate "SoC AD193X Audio support for Blackfin"
- depends on SND_BF5XX_TDM
- select SND_BF5XX_SOC_TDM
- select SND_SOC_AD193X
- help
- Say Y if you want to add support for AD193X codec on Blackfin.
- This driver supports AD1936, AD1937, AD1938 and AD1939.
-
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-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c
index 7e2f360..53f8408 100644
--- a/sound/soc/blackfin/bf5xx-ac97-pcm.c
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c
@@ -39,7 +39,6 @@
#include <asm/dma.h>
-#include "bf5xx-ac97-pcm.h"
#include "bf5xx-ac97.h"
#include "bf5xx-sport.h"
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.h b/sound/soc/blackfin/bf5xx-ac97-pcm.h
deleted file mode 100644
index d324d58..0000000
--- a/sound/soc/blackfin/bf5xx-ac97-pcm.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * 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;
-};
-
-#endif
diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c
index 4902173..c66bef8 100644
--- a/sound/soc/blackfin/bf5xx-ac97.c
+++ b/sound/soc/blackfin/bf5xx-ac97.c
@@ -231,9 +231,9 @@ static int bf5xx_ac97_resume(struct snd_soc_dai *dai)
return 0;
#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
- ret = sport_set_multichannel(sport, 16, 0x3FF, 1);
+ ret = sport_set_multichannel(sport, 16, 0x3FF, 0x3FF, 1);
#else
- ret = sport_set_multichannel(sport, 16, 0x1F, 1);
+ ret = sport_set_multichannel(sport, 16, 0x1F, 0x1F, 1);
#endif
if (ret) {
pr_err("SPORT is busy!\n");
@@ -311,9 +311,9 @@ static int asoc_bfin_ac97_probe(struct platform_device *pdev)
/*SPORT works in TDM mode to simulate AC97 transfers*/
#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
- ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 1);
+ ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 0x3FF, 1);
#else
- ret = sport_set_multichannel(sport_handle, 16, 0x1F, 1);
+ ret = sport_set_multichannel(sport_handle, 16, 0x1F, 0x1F, 1);
#endif
if (ret) {
pr_err("SPORT is busy!\n");
diff --git a/sound/soc/blackfin/bf5xx-ad1836.c b/sound/soc/blackfin/bf5xx-ad1836.c
index d23f4b0..8fcfc4e 100644
--- a/sound/soc/blackfin/bf5xx-ad1836.c
+++ b/sound/soc/blackfin/bf5xx-ad1836.c
@@ -30,15 +30,10 @@
#include "../codecs/ad1836.h"
-#include "bf5xx-tdm-pcm.h"
-#include "bf5xx-tdm.h"
-
static struct snd_soc_card bf5xx_ad1836;
-static int bf5xx_ad1836_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+static int bf5xx_ad1836_init(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
unsigned int channel_map[] = {0, 4, 1, 5, 2, 6, 3, 7};
int ret = 0;
@@ -49,13 +44,13 @@ static int bf5xx_ad1836_hw_params(struct snd_pcm_substream *substream,
if (ret < 0)
return ret;
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
+ if (ret < 0)
+ return ret;
+
return 0;
}
-static struct snd_soc_ops bf5xx_ad1836_ops = {
- .hw_params = bf5xx_ad1836_hw_params,
-};
-
#define BF5XX_AD1836_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
SND_SOC_DAIFMT_CBM_CFM)
@@ -63,9 +58,9 @@ static struct snd_soc_dai_link bf5xx_ad1836_dai = {
.name = "ad1836",
.stream_name = "AD1836",
.codec_dai_name = "ad1836-hifi",
- .platform_name = "bfin-tdm-pcm-audio",
- .ops = &bf5xx_ad1836_ops,
+ .platform_name = "bfin-i2s-pcm-audio",
.dai_fmt = BF5XX_AD1836_DAIFMT,
+ .init = bf5xx_ad1836_init,
};
static struct snd_soc_card bf5xx_ad1836 = {
diff --git a/sound/soc/blackfin/bf5xx-ad193x.c b/sound/soc/blackfin/bf5xx-ad193x.c
index 0e55e9f..603ad1f 100644
--- a/sound/soc/blackfin/bf5xx-ad193x.c
+++ b/sound/soc/blackfin/bf5xx-ad193x.c
@@ -39,30 +39,16 @@
#include "../codecs/ad193x.h"
-#include "bf5xx-tdm-pcm.h"
-#include "bf5xx-tdm.h"
-
static struct snd_soc_card bf5xx_ad193x;
-static int bf5xx_ad193x_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+static int bf5xx_ad193x_link_init(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
- unsigned int clk = 0;
- unsigned int channel_map[] = {0, 1, 2, 3, 4, 5, 6, 7};
- int ret = 0;
-
- switch (params_rate(params)) {
- case 48000:
- clk = 24576000;
- break;
- }
+ int ret;
/* set the codec system clock for DAC and ADC */
- ret = snd_soc_dai_set_sysclk(codec_dai, 0, clk,
- SND_SOC_CLOCK_IN);
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 24576000, SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;
@@ -71,9 +57,7 @@ static int bf5xx_ad193x_hw_params(struct snd_pcm_substream *substream,
if (ret < 0)
return ret;
- /* set cpu DAI channel mapping */
- ret = snd_soc_dai_set_channel_map(cpu_dai, ARRAY_SIZE(channel_map),
- channel_map, ARRAY_SIZE(channel_map), channel_map);
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
if (ret < 0)
return ret;
@@ -83,30 +67,26 @@ static int bf5xx_ad193x_hw_params(struct snd_pcm_substream *substream,
#define BF5XX_AD193X_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
SND_SOC_DAIFMT_CBM_CFM)
-static struct snd_soc_ops bf5xx_ad193x_ops = {
- .hw_params = bf5xx_ad193x_hw_params,
-};
-
static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
{
.name = "ad193x",
.stream_name = "AD193X",
- .cpu_dai_name = "bfin-tdm.0",
+ .cpu_dai_name = "bfin-i2s.0",
.codec_dai_name ="ad193x-hifi",
- .platform_name = "bfin-tdm-pcm-audio",
+ .platform_name = "bfin-i2s-pcm-audio",
.codec_name = "spi0.5",
- .ops = &bf5xx_ad193x_ops,
.dai_fmt = BF5XX_AD193X_DAIFMT,
+ .init = bf5xx_ad193x_link_init,
},
{
.name = "ad193x",
.stream_name = "AD193X",
- .cpu_dai_name = "bfin-tdm.1",
+ .cpu_dai_name = "bfin-i2s.1",
.codec_dai_name ="ad193x-hifi",
- .platform_name = "bfin-tdm-pcm-audio",
+ .platform_name = "bfin-i2s-pcm-audio",
.codec_name = "spi0.5",
- .ops = &bf5xx_ad193x_ops,
.dai_fmt = BF5XX_AD193X_DAIFMT,
+ .init = bf5xx_ad193x_link_init,
},
};
diff --git a/sound/soc/blackfin/bf5xx-ad1980.c b/sound/soc/blackfin/bf5xx-ad1980.c
index b30f88b..3450e8f 100644
--- a/sound/soc/blackfin/bf5xx-ad1980.c
+++ b/sound/soc/blackfin/bf5xx-ad1980.c
@@ -48,7 +48,6 @@
#include "../codecs/ad1980.h"
-#include "bf5xx-ac97-pcm.h"
#include "bf5xx-ac97.h"
static struct snd_soc_card bf5xx_board;
diff --git a/sound/soc/blackfin/bf5xx-ad73311.c b/sound/soc/blackfin/bf5xx-ad73311.c
index 61cc91d..786bbdd 100644
--- a/sound/soc/blackfin/bf5xx-ad73311.c
+++ b/sound/soc/blackfin/bf5xx-ad73311.c
@@ -45,7 +45,6 @@
#include "../codecs/ad73311.h"
#include "bf5xx-sport.h"
-#include "bf5xx-i2s-pcm.h"
#if CONFIG_SND_BF5XX_SPORT_NUM == 0
#define bfin_write_SPORT_TCR1 bfin_write_SPORT0_TCR1
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
index 262c1de..9cb4a80 100644
--- a/sound/soc/blackfin/bf5xx-i2s-pcm.c
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c
@@ -39,8 +39,8 @@
#include <asm/dma.h>
-#include "bf5xx-i2s-pcm.h"
#include "bf5xx-sport.h"
+#include "bf5xx-i2s-pcm.h"
static void bf5xx_dma_irq(void *data)
{
@@ -50,7 +50,6 @@ static void bf5xx_dma_irq(void *data)
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 |
@@ -67,10 +66,16 @@ static const struct snd_pcm_hardware bf5xx_pcm_hardware = {
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);
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ unsigned int buffer_size = params_buffer_bytes(params);
+ struct bf5xx_i2s_pcm_data *dma_data;
- return 0;
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode)
+ buffer_size = buffer_size / params_channels(params) * 8;
+
+ return snd_pcm_lib_malloc_pages(substream, buffer_size);
}
static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)
@@ -82,9 +87,16 @@ static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)
static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct sport_device *sport = runtime->private_data;
int period_bytes = frames_to_bytes(runtime, runtime->period_size);
+ struct bf5xx_i2s_pcm_data *dma_data;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode)
+ period_bytes = period_bytes / runtime->channels * 8;
pr_debug("%s enter\n", __func__);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -131,10 +143,15 @@ static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
struct sport_device *sport = runtime->private_data;
unsigned int diff;
snd_pcm_uframes_t frames;
+ struct bf5xx_i2s_pcm_data *dma_data;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
pr_debug("%s enter\n", __func__);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
diff = sport_curr_offset_tx(sport);
@@ -151,6 +168,8 @@ static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
diff = 0;
frames = bytes_to_frames(substream->runtime, diff);
+ if (dma_data->tdm_mode)
+ frames = frames * runtime->channels / 8;
return frames;
}
@@ -162,11 +181,18 @@ static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
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;
+ struct bf5xx_i2s_pcm_data *dma_data;
int ret;
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
pr_debug("%s enter\n", __func__);
snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
+ if (dma_data->tdm_mode)
+ runtime->hw.buffer_bytes_max /= 4;
+ else
+ runtime->hw.info |= SNDRV_PCM_INFO_MMAP;
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
@@ -202,6 +228,88 @@ static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
return 0 ;
}
+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_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned int sample_size = runtime->sample_bits / 8;
+ struct bf5xx_i2s_pcm_data *dma_data;
+ unsigned int i;
+ void *src, *dst;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ src = buf;
+ dst = runtime->dma_area;
+ dst += pos * sample_size * 8;
+
+ while (count--) {
+ for (i = 0; i < runtime->channels; i++) {
+ memcpy(dst + dma_data->map[i] *
+ sample_size, src, sample_size);
+ src += sample_size;
+ }
+ dst += 8 * sample_size;
+ }
+ } else {
+ src = runtime->dma_area;
+ src += pos * sample_size * 8;
+ dst = buf;
+
+ while (count--) {
+ for (i = 0; i < runtime->channels; i++) {
+ memcpy(dst, src + dma_data->map[i] *
+ sample_size, sample_size);
+ dst += sample_size;
+ }
+ src += 8 * sample_size;
+ }
+ }
+ } else {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ src = buf;
+ dst = runtime->dma_area;
+ dst += frames_to_bytes(runtime, pos);
+ } else {
+ src = runtime->dma_area;
+ src += frames_to_bytes(runtime, pos);
+ dst = buf;
+ }
+
+ memcpy(dst, src, frames_to_bytes(runtime, count));
+ }
+
+ return 0;
+}
+
+static int bf5xx_pcm_silence(struct snd_pcm_substream *substream,
+ int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned int sample_size = runtime->sample_bits / 8;
+ void *buf = runtime->dma_area;
+ struct bf5xx_i2s_pcm_data *dma_data;
+ unsigned int offset, size;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode) {
+ offset = pos * 8 * sample_size;
+ size = count * 8 * sample_size;
+ } else {
+ offset = frames_to_bytes(runtime, pos);
+ size = frames_to_bytes(runtime, count);
+ }
+
+ snd_pcm_format_set_silence(runtime->format, buf + offset, size);
+
+ return 0;
+}
+
static struct snd_pcm_ops bf5xx_pcm_i2s_ops = {
.open = bf5xx_pcm_open,
.ioctl = snd_pcm_lib_ioctl,
@@ -211,57 +319,16 @@ static struct snd_pcm_ops bf5xx_pcm_i2s_ops = {
.trigger = bf5xx_pcm_trigger,
.pointer = bf5xx_pcm_pointer,
.mmap = bf5xx_pcm_mmap,
+ .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,
- &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);
-
- 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_i2s_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
- struct snd_pcm *pcm = rtd->pcm;
- int ret = 0;
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max;
pr_debug("%s enter\n", __func__);
if (!card->dev->dma_mask)
@@ -269,27 +336,13 @@ static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)
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;
+ return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
+ SNDRV_DMA_TYPE_DEV, card->dev, size, size);
}
static struct snd_soc_platform_driver bf5xx_i2s_soc_platform = {
.ops = &bf5xx_pcm_i2s_ops,
.pcm_new = bf5xx_pcm_i2s_new,
- .pcm_free = bf5xx_pcm_free_dma_buffers,
};
static int bfin_i2s_soc_platform_probe(struct platform_device *pdev)
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.h b/sound/soc/blackfin/bf5xx-i2s-pcm.h
index 0c2c5a6..1f04352 100644
--- a/sound/soc/blackfin/bf5xx-i2s-pcm.h
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.h
@@ -1,26 +1,17 @@
/*
- * 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
+#ifndef _BF5XX_TDM_PCM_H
+#define _BF5XX_TDM_PCM_H
-struct bf5xx_pcm_dma_params {
- char *name; /* stream identifier */
-};
+#define BFIN_TDM_DAI_MAX_SLOTS 8
-struct bf5xx_gpio {
- u32 sys;
- u32 rx;
- u32 tx;
- u32 clk;
- u32 frm;
+struct bf5xx_i2s_pcm_data {
+ unsigned int map[BFIN_TDM_DAI_MAX_SLOTS];
+ bool tdm_mode;
};
#endif
diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c
index dd0c2a4..9a174fc 100644
--- a/sound/soc/blackfin/bf5xx-i2s.c
+++ b/sound/soc/blackfin/bf5xx-i2s.c
@@ -42,6 +42,7 @@
#include <linux/gpio.h>
#include "bf5xx-sport.h"
+#include "bf5xx-i2s-pcm.h"
struct bf5xx_i2s_port {
u16 tcr1;
@@ -49,6 +50,13 @@ struct bf5xx_i2s_port {
u16 tcr2;
u16 rcr2;
int configured;
+
+ unsigned int slots;
+ unsigned int tx_mask;
+ unsigned int rx_mask;
+
+ struct bf5xx_i2s_pcm_data tx_dma_data;
+ struct bf5xx_i2s_pcm_data rx_dma_data;
};
static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
@@ -74,7 +82,8 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
ret = -EINVAL;
break;
default:
- printk(KERN_ERR "%s: Unknown DAI format type\n", __func__);
+ dev_err(cpu_dai->dev, "%s: Unknown DAI format type\n",
+ __func__);
ret = -EINVAL;
break;
}
@@ -88,7 +97,8 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
ret = -EINVAL;
break;
default:
- printk(KERN_ERR "%s: Unknown DAI master type\n", __func__);
+ dev_err(cpu_dai->dev, "%s: Unknown DAI master type\n",
+ __func__);
ret = -EINVAL;
break;
}
@@ -141,14 +151,14 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
bf5xx_i2s->rcr2, 0, 0);
if (ret) {
- pr_err("SPORT is busy!\n");
+ dev_err(dai->dev, "SPORT is busy!\n");
return -EBUSY;
}
ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
bf5xx_i2s->tcr2, 0, 0);
if (ret) {
- pr_err("SPORT is busy!\n");
+ dev_err(dai->dev, "SPORT is busy!\n");
return -EBUSY;
}
}
@@ -162,18 +172,76 @@ static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream,
struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
- pr_debug("%s enter\n", __func__);
+ dev_dbg(dai->dev, "%s enter\n", __func__);
/* No active stream, SPORT is allowed to be configured again. */
if (!dai->active)
bf5xx_i2s->configured = 0;
}
+static int bf5xx_i2s_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_i2s_port *bf5xx_i2s = sport_handle->private_data;
+ unsigned int tx_mapped = 0, rx_mapped = 0;
+ unsigned int slot;
+ int i;
+
+ 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_i2s->tx_dma_data.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_i2s->rx_dma_data.map[i] = slot;
+ rx_mapped |= 1 << slot;
+ } else
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int bf5xx_i2s_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+ unsigned int rx_mask, int slots, int width)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+
+ if (slots % 8 != 0 || slots > 8)
+ return -EINVAL;
+
+ if (width != 32)
+ return -EINVAL;
+
+ bf5xx_i2s->slots = slots;
+ bf5xx_i2s->tx_mask = tx_mask;
+ bf5xx_i2s->rx_mask = rx_mask;
+
+ bf5xx_i2s->tx_dma_data.tdm_mode = slots != 0;
+ bf5xx_i2s->rx_dma_data.tdm_mode = slots != 0;
+
+ return sport_set_multichannel(sport_handle, slots, tx_mask, rx_mask, 0);
+}
+
#ifdef CONFIG_PM
static int bf5xx_i2s_suspend(struct snd_soc_dai *dai)
{
struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
- pr_debug("%s : sport %d\n", __func__, dai->id);
+ dev_dbg(dai->dev, "%s : sport %d\n", __func__, dai->id);
if (dai->capture_active)
sport_rx_stop(sport_handle);
@@ -188,23 +256,24 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
int ret;
- pr_debug("%s : sport %d\n", __func__, dai->id);
+ dev_dbg(dai->dev, "%s : sport %d\n", __func__, dai->id);
ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
bf5xx_i2s->rcr2, 0, 0);
if (ret) {
- pr_err("SPORT is busy!\n");
+ dev_err(dai->dev, "SPORT is busy!\n");
return -EBUSY;
}
ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
bf5xx_i2s->tcr2, 0, 0);
if (ret) {
- pr_err("SPORT is busy!\n");
+ dev_err(dai->dev, "SPORT is busy!\n");
return -EBUSY;
}
- return 0;
+ return sport_set_multichannel(sport_handle, bf5xx_i2s->slots,
+ bf5xx_i2s->tx_mask, bf5xx_i2s->rx_mask, 0);
}
#else
@@ -212,6 +281,23 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
#define bf5xx_i2s_resume NULL
#endif
+static int bf5xx_i2s_dai_probe(struct snd_soc_dai *dai)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+ unsigned int i;
+
+ for (i = 0; i < BFIN_TDM_DAI_MAX_SLOTS; i++) {
+ bf5xx_i2s->tx_dma_data.map[i] = i;
+ bf5xx_i2s->rx_dma_data.map[i] = i;
+ }
+
+ dai->playback_dma_data = &bf5xx_i2s->tx_dma_data;
+ dai->capture_dma_data = &bf5xx_i2s->rx_dma_data;
+
+ return 0;
+}
+
#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 | \
@@ -224,22 +310,25 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
SNDRV_PCM_FMTBIT_S32_LE)
static const struct snd_soc_dai_ops bf5xx_i2s_dai_ops = {
- .shutdown = bf5xx_i2s_shutdown,
- .hw_params = bf5xx_i2s_hw_params,
- .set_fmt = bf5xx_i2s_set_dai_fmt,
+ .shutdown = bf5xx_i2s_shutdown,
+ .hw_params = bf5xx_i2s_hw_params,
+ .set_fmt = bf5xx_i2s_set_dai_fmt,
+ .set_tdm_slot = bf5xx_i2s_set_tdm_slot,
+ .set_channel_map = bf5xx_i2s_set_channel_map,
};
static struct snd_soc_dai_driver bf5xx_i2s_dai = {
+ .probe = bf5xx_i2s_dai_probe,
.suspend = bf5xx_i2s_suspend,
.resume = bf5xx_i2s_resume,
.playback = {
- .channels_min = 1,
- .channels_max = 2,
+ .channels_min = 2,
+ .channels_max = 8,
.rates = BF5XX_I2S_RATES,
.formats = BF5XX_I2S_FORMATS,},
.capture = {
- .channels_min = 1,
- .channels_max = 2,
+ .channels_min = 2,
+ .channels_max = 8,
.rates = BF5XX_I2S_RATES,
.formats = BF5XX_I2S_FORMATS,},
.ops = &bf5xx_i2s_dai_ops,
@@ -255,7 +344,7 @@ static int bf5xx_i2s_probe(struct platform_device *pdev)
int ret;
/* configure SPORT for I2S */
- sport_handle = sport_init(pdev, 4, 2 * sizeof(u32),
+ sport_handle = sport_init(pdev, 4, 8 * sizeof(u32),
sizeof(struct bf5xx_i2s_port));
if (!sport_handle)
return -ENODEV;
@@ -264,7 +353,7 @@ static int bf5xx_i2s_probe(struct platform_device *pdev)
ret = snd_soc_register_component(&pdev->dev, &bf5xx_i2s_component,
&bf5xx_i2s_dai, 1);
if (ret) {
- pr_err("Failed to register DAI: %d\n", ret);
+ dev_err(&pdev->dev, "Failed to register DAI: %d\n", ret);
sport_done(sport_handle);
return ret;
}
@@ -276,7 +365,7 @@ static int bf5xx_i2s_remove(struct platform_device *pdev)
{
struct sport_device *sport_handle = platform_get_drvdata(pdev);
- pr_debug("%s enter\n", __func__);
+ dev_dbg(&pdev->dev, "%s enter\n", __func__);
snd_soc_unregister_component(&pdev->dev);
sport_done(sport_handle);
diff --git a/sound/soc/blackfin/bf5xx-sport.c b/sound/soc/blackfin/bf5xx-sport.c
index 2fd9f2a..6953512 100644
--- a/sound/soc/blackfin/bf5xx-sport.c
+++ b/sound/soc/blackfin/bf5xx-sport.c
@@ -46,10 +46,10 @@
/* 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)
+ int tdm_count, u32 tx_mask, u32 rx_mask, int packed)
{
- pr_debug("%s tdm_count=%d mask:0x%08x packed=%d\n", __func__,
- tdm_count, mask, packed);
+ pr_debug("%s tdm_count=%d tx_mask:0x%08x rx_mask:0x%08x packed=%d\n",
+ __func__, tdm_count, tx_mask, rx_mask, packed);
if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
return -EBUSY;
@@ -65,8 +65,8 @@ int sport_set_multichannel(struct sport_device *sport,
sport->regs->mcmc2 = FRAME_DELAY | MCMEN | \
(packed ? (MCDTXPE|MCDRXPE) : 0);
- sport->regs->mtcs0 = mask;
- sport->regs->mrcs0 = mask;
+ sport->regs->mtcs0 = tx_mask;
+ sport->regs->mrcs0 = rx_mask;
sport->regs->mtcs1 = 0;
sport->regs->mrcs1 = 0;
sport->regs->mtcs2 = 0;
diff --git a/sound/soc/blackfin/bf5xx-sport.h b/sound/soc/blackfin/bf5xx-sport.h
index 5ab60bd..9fc2192 100644
--- a/sound/soc/blackfin/bf5xx-sport.h
+++ b/sound/soc/blackfin/bf5xx-sport.h
@@ -128,7 +128,7 @@ void sport_done(struct sport_device *sport);
/* 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);
+ u32 tx_mask, u32 rx_mask, int packed);
int sport_config_rx(struct sport_device *sport,
unsigned int rcr1, unsigned int rcr2,
diff --git a/sound/soc/blackfin/bf5xx-ssm2602.c b/sound/soc/blackfin/bf5xx-ssm2602.c
index 7dbeef1..9c19ccc 100644
--- a/sound/soc/blackfin/bf5xx-ssm2602.c
+++ b/sound/soc/blackfin/bf5xx-ssm2602.c
@@ -40,7 +40,6 @@
#include <linux/gpio.h>
#include "../codecs/ssm2602.h"
#include "bf5xx-sport.h"
-#include "bf5xx-i2s-pcm.h"
static struct snd_soc_card bf5xx_ssm2602;
diff --git a/sound/soc/blackfin/bf5xx-tdm-pcm.c b/sound/soc/blackfin/bf5xx-tdm-pcm.c
deleted file mode 100644
index 0e6b888..0000000
--- a/sound/soc/blackfin/bf5xx-tdm-pcm.c
+++ /dev/null
@@ -1,345 +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-pcm.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;
-}
-
-
-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-pcm.h b/sound/soc/blackfin/bf5xx-tdm-pcm.h
deleted file mode 100644
index 7f8cc01..0000000
--- a/sound/soc/blackfin/bf5xx-tdm-pcm.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * sound/soc/blackfin/bf5xx-tdm-pcm.h -- ALSA PCM interface for the Blackfin
- *
- * Copyright 2009 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_TDM_PCM_H
-#define _BF5XX_TDM_PCM_H
-
-struct bf5xx_pcm_dma_params {
- char *name; /* stream identifier */
-};
-
-#endif
diff --git a/sound/soc/blackfin/bf5xx-tdm.c b/sound/soc/blackfin/bf5xx-tdm.c
deleted file mode 100644
index 69e9a3e..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, 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, 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
generated by cgit v0.10.2 at 2024-07-20 12:19:36 (GMT)