SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000 |
SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000),
.formats =
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S32_LE),},
.capture = {
__LINE__);
aout_notifier_call_chain(AOUT_EVENT_IEC_60958_PCM, substream);
}
return 0;
}
static int aml_dai_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
struct snd_pcm_runtime *rtd = substream->runtime;
int *ppp = NULL;
ALSA_TRACE();
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/* TODO */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ALSA_PRINT("aiu i2s playback enable\n\n");
audio_out_i2s_enable(1);
if (IEC958_mode_codec == 0) {
ALSA_PRINT("audio_hw_958_enable 1\n");
audio_hw_958_enable(1);
}
} else {
audio_in_i2s_enable(1);
ppp = (int *)(rtd->dma_area + rtd->dma_bytes * 2 - 8);
ppp[0] = 0x78787878;
ppp[1] = 0x78787878;
}
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ALSA_PRINT("aiu i2s playback disable\n\n");
audio_out_i2s_enable(0);
if (IEC958_mode_codec == 0) {
ALSA_PRINT("audio_hw_958_enable 0\n");
audio_hw_958_enable(0);
}
} else {
ALSA_TRACE();
return 0;
}
static int aml_dai_spdif_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = NULL;
ALSA_TRACE();
rtd = (struct snd_soc_pcm_runtime *)substream->private_data;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ALSA_PRINT("aiu 958 playback enable\n");
audio_hw_958_enable(1);
} else {
ALSA_PRINT("spdif in capture enable\n");
audio_in_spdif_enable(1);
}
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ALSA_PRINT("aiu 958 playback disable\n");
audio_hw_958_enable(0);
} else {
ALSA_PRINT("spdif in capture disable\n");
audio_in_spdif_enable(0);
}
break;
default:
return -EINVAL;
/*
the I2S hw and IEC958 PCM output initation,958 initation here,
for the case that only use our ALSA driver for PCM s/pdif output.
*/
static void aml_hw_i2s_init(struct snd_pcm_runtime *runtime)
{
unsigned i2s_mode = AIU_I2S_MODE_PCM16;
switch (runtime->format) {
case SNDRV_PCM_FORMAT_S32_LE:
i2s_mode = AIU_I2S_MODE_PCM32;
break;
case SNDRV_PCM_FORMAT_S24_LE:
i2s_mode = AIU_I2S_MODE_PCM24;
break;
case SNDRV_PCM_FORMAT_S16_LE:
i2s_mode = AIU_I2S_MODE_PCM16;
break;
}
audio_set_i2s_mode(i2s_mode);
audio_set_aiubuf(runtime->dma_addr, runtime->dma_bytes,
runtime->channels);
ALSA_PRINT("i2s dma %x,phy addr %x,mode %d,ch %d \n",
(unsigned)runtime->dma_area, (unsigned)runtime->dma_addr,
i2s_mode, runtime->channels);
void aml_spdif_play(void)
{
_aiu_958_raw_setting_t set;
_aiu_958_channel_status_t chstat;
struct snd_pcm_substream substream;
struct snd_pcm_runtime runtime;
substream.runtime = &runtime;
runtime.rate = 48000;
runtime.format = SNDRV_PCM_FORMAT_S16_LE;
runtime.channels = 2;
runtime.sample_bits = 16;
memset((void *)(&set), 0, sizeof(set));
memset((void *)(&chstat), 0, sizeof(chstat));
set.chan_stat = &chstat;
set.chan_stat->chstat0_l = 0x0100;
set.chan_stat->chstat0_r = 0x0100;
set.chan_stat->chstat1_l = 0X200;
set.chan_stat->chstat1_r = 0X200;
audio_hw_958_enable(0);
if (last_iec_clock != AUDIO_CLK_FREQ_48) {
ALSA_PRINT("enterd %s,set_clock:%d,sample_rate=%d\n", __func__,
last_iec_clock, AUDIO_CLK_FREQ_48);
last_iec_clock = AUDIO_CLK_FREQ_48;
audio_set_958_clk(AUDIO_CLK_FREQ_48, AUDIO_CLK_256FS);
}
audio_util_set_dac_958_format(AUDIO_ALGOUT_DAC_FORMAT_DSP);
memset(iec958buf, 0, sizeof(iec958buf));
audio_set_958outbuf((virt_to_phys(iec958buf) + 63) & (~63), 128, 2, 0);
audio_set_958_mode(AIU_958_MODE_PCM16, &set);
#if OVERCLOCK == 1 || IEC958_OVERCLOCK == 1
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 3, 4, 2); /* 512fs divide 4 == 128fs */
#else
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 1, 4, 2); /* 256fs divide 2 == 128fs */
#endif
aout_notifier_call_chain(AOUT_EVENT_IEC_60958_PCM, &substream);
};
EXPORT_SYMBOL_GPL(aml_i2s_dai);
static const struct snd_soc_component_driver aml_component = {
.name =
"aml-i2s-dai",
};
static int aml_i2s_dai_probe(struct platform_device *pdev)
{
struct aml_i2s *i2s = NULL;
int ret = 0;
printk(KERN_DEBUG "enter %s\n", __func__);
i2s = kzalloc(sizeof(struct aml_i2s), GFP_KERNEL);
if (!i2s) {
dev_err(&pdev->dev, "Can't allocate aml_i2s\n");
ret = -ENOMEM;
goto exit;
}
dev_set_drvdata(&pdev->dev, i2s);
if (of_property_read_u32(pdev->dev.of_node, "clk_src_mpll", &i2s->mpll)) {
printk(KERN_INFO
"i2s get no clk src setting in dts, use the default mpll 0\n");
i2s->mpll = 0;
}
/* enable i2s MPLL and power gate first */
WRITE_MPEG_REG_BITS(MPLL_I2S_CNTL, 1, 14, 1);
audio_aiu_pg_enable(1);
/* enable the mclk because m8 codec need it to setup */
if (i2s->old_samplerate != 48000) {
ALSA_PRINT("enterd %s,old_samplerate:%d,sample_rate=%d\n",
__func__, i2s->old_samplerate, 48000);
static int aml_dai_spdif_remove(struct platform_device *pdev)
{
snd_soc_unregister_component(&pdev->dev);
return 0;
}
1)NONE-PCM raw output ,only available when ac3/dts audio,when raw output mode is selected by user.
2)PCM output for all audio, when pcm mode is selected by user .
3)PCM output for audios except ac3/dts,when raw output mode is selected by user
*/
void aml_hw_iec958_init(struct snd_pcm_substream *substream)
{
_aiu_958_raw_setting_t set;
_aiu_958_channel_status_t chstat;
unsigned i2s_mode, iec958_mode;
unsigned start, size;
int sample_rate;
struct snd_dma_buffer *buf = &substream->dma_buffer;
struct snd_pcm_runtime *runtime = substream->runtime;
if (buf == NULL && runtime == NULL) {
printk("buf/0x%x runtime/0x%x\n", (unsigned)buf,
(unsigned)runtime);
return;
}
i2s_mode = AIU_I2S_MODE_PCM16;
sample_rate = AUDIO_CLK_FREQ_48;
memset((void *)(&set), 0, sizeof(set));
memset((void *)(&chstat), 0, sizeof(chstat));
set.chan_stat = &chstat;
printk("----aml_hw_iec958_init,runtime->rate=%d--\n", runtime->rate);
switch (runtime->rate) {
case 192000:
sample_rate = AUDIO_CLK_FREQ_192;
break;
case 176400:
sample_rate = AUDIO_CLK_FREQ_1764;
break;
case 96000:
sample_rate = AUDIO_CLK_FREQ_96;
break;
case 88200:
sample_rate = AUDIO_CLK_FREQ_882;
break;
case 48000:
sample_rate = AUDIO_CLK_FREQ_48;
break;
case 44100:
sample_rate = AUDIO_CLK_FREQ_441;
break;
case 32000:
sample_rate = AUDIO_CLK_FREQ_32;
break;
case 8000:
sample_rate = AUDIO_CLK_FREQ_8;
break;
case 11025:
sample_rate = AUDIO_CLK_FREQ_11;
break;
case 16000:
sample_rate = AUDIO_CLK_FREQ_16;
break;
case 22050:
sample_rate = AUDIO_CLK_FREQ_22;
break;
case 12000:
sample_rate = AUDIO_CLK_FREQ_12;
break;
case 24000:
sample_rate = AUDIO_CLK_FREQ_22;
break;
default:
sample_rate = AUDIO_CLK_FREQ_441;
break;
};
audio_hw_958_enable(0);
if (last_iec_clock != sample_rate) {
ALSA_PRINT("enterd %s,set_clock:%d,sample_rate=%d\n", __func__,
last_iec_clock, sample_rate);
last_iec_clock = sample_rate;
audio_set_958_clk(sample_rate, AUDIO_CLK_256FS);
}
printk("----aml_hw_iec958_init,runtime->rate=%d,sample_rate=%d--\n",
runtime->rate, sample_rate);
audio_util_set_dac_958_format(AUDIO_ALGOUT_DAC_FORMAT_DSP);
/*clear the same source function as new raw data output */
WRITE_MPEG_REG_BITS(AIU_I2S_MISC, 0, 3, 1);
switch (runtime->format) {
case SNDRV_PCM_FORMAT_S32_LE:
i2s_mode = AIU_I2S_MODE_PCM32;
break;
case SNDRV_PCM_FORMAT_S24_LE:
i2s_mode = AIU_I2S_MODE_PCM24;
break;
case SNDRV_PCM_FORMAT_S16_LE:
i2s_mode = AIU_I2S_MODE_PCM16;
break;
}
/* audio_set_i2s_mode(i2s_mode); */
/* case 1,raw mode enabled */
if (IEC958_mode_codec) {
if (IEC958_mode_codec == 1) { /* dts, use raw sync-word mode */
iec958_mode = AIU_958_MODE_RAW;
printk("iec958 mode RAW\n");
} else { /* ac3,use the same pcm mode as i2s configuration */
iec958_mode = AIU_958_MODE_PCM_RAW;
printk("iec958 mode %s\n",
(i2s_mode ==
AIU_I2S_MODE_PCM32) ? "PCM32_RAW" : ((I2S_MODE
==
AIU_I2S_MODE_PCM24)
?
"PCM24_RAW"
:
"PCM16_RAW"));
}
} else {
if (i2s_mode == AIU_I2S_MODE_PCM32)
iec958_mode = AIU_958_MODE_PCM32;
else if (i2s_mode == AIU_I2S_MODE_PCM24)
iec958_mode = AIU_958_MODE_PCM24;
else
iec958_mode = AIU_958_MODE_PCM16;
printk("iec958 mode %s\n",
(i2s_mode ==
AIU_I2S_MODE_PCM32) ? "PCM32" : ((i2s_mode ==
AIU_I2S_MODE_PCM24) ?
"PCM24" : "PCM16"));
}
if (iec958_mode == AIU_958_MODE_PCM16
|| iec958_mode == AIU_958_MODE_PCM24
|| iec958_mode == AIU_958_MODE_PCM32) {
set.chan_stat->chstat0_l = 0x0100;
set.chan_stat->chstat0_r = 0x0100;
set.chan_stat->chstat1_l = 0x200;
set.chan_stat->chstat1_r = 0x200;
if (sample_rate == AUDIO_CLK_FREQ_882) {
printk("----sample_rate==AUDIO_CLK_FREQ_882---\n");
set.chan_stat->chstat1_l = 0x800;
set.chan_stat->chstat1_r = 0x800;
}
if (sample_rate == AUDIO_CLK_FREQ_96) {
printk("----sample_rate==AUDIO_CLK_FREQ_96---\n");
set.chan_stat->chstat1_l = 0xa00;
set.chan_stat->chstat1_r = 0xa00;
}
start = buf->addr;
size = snd_pcm_lib_buffer_bytes(substream);
audio_set_958outbuf(start, size, runtime->channels, 0);
/* audio_set_i2s_mode(AIU_I2S_MODE_PCM16); */
/* audio_set_aiubuf(start, size); */
} else {
set.chan_stat->chstat0_l = 0x1902;
set.chan_stat->chstat0_r = 0x1902;
if (IEC958_mode_codec == 4 || IEC958_mode_codec == 5) { /* DD+ */
if (runtime->rate == 32000) {
set.chan_stat->chstat1_l = 0x300;
set.chan_stat->chstat1_r = 0x300;
} else if (runtime->rate == 44100) {
set.chan_stat->chstat1_l = 0xc00;
set.chan_stat->chstat1_r = 0xc00;
} else {
set.chan_stat->chstat1_l = 0Xe00;
set.chan_stat->chstat1_r = 0Xe00;
}
} else { /* DTS,DD */
if (runtime->rate == 32000) {
set.chan_stat->chstat1_l = 0x300;
set.chan_stat->chstat1_r = 0x300;
} else if (runtime->rate == 44100) {
set.chan_stat->chstat1_l = 0;
set.chan_stat->chstat1_r = 0;
} else {
set.chan_stat->chstat1_l = 0x200;
set.chan_stat->chstat1_r = 0x200;
}
}
start = buf->addr;
size = snd_pcm_lib_buffer_bytes(substream);
audio_set_958outbuf(start, size, runtime->channels,
(iec958_mode == AIU_958_MODE_RAW) ? 1 : 0);
memset((void *)buf->area, 0, size);
}
ALSA_DEBUG("aiu 958 pcm buffer size %d \n", size);
audio_set_958_mode(iec958_mode, &set);
if (IEC958_mode_codec == 4 || IEC958_mode_codec == 5
|| IEC958_mode_codec == 7 || IEC958_mode_codec == 8) {
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 0, 4, 2); /* 4x than i2s */
printk("IEC958_mode_codec/%d 4x than i2s\n",
IEC958_mode_codec);
} else {
#if OVERCLOCK == 1 || IEC958_OVERCLOCK == 1
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 3, 4, 2); /* 512fs divide 4 == 128fs */
#else
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 1, 4, 2); /* 256fs divide 2 == 128fs */
#endif
}
if (IEC958_mode_codec == 2) {
aout_notifier_call_chain(AOUT_EVENT_RAWDATA_AC_3, substream);
} else if (IEC958_mode_codec == 3) {
aout_notifier_call_chain(AOUT_EVENT_RAWDATA_DTS, substream);
} else if (IEC958_mode_codec == 4) {
aout_notifier_call_chain(AOUT_EVENT_RAWDATA_DOBLY_DIGITAL_PLUS,
extern void aml_hw_iec958_init(struct snd_pcm_substream *substream);
static int aml_dai_i2s_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct aml_runtime_data *prtd = runtime->private_data;
struct aml_i2s *i2s = snd_soc_dai_get_drvdata(dai);
int audio_clk_config = AUDIO_CLK_FREQ_48;
audio_stream_t *s = &prtd->s;
ALSA_TRACE();
switch (runtime->rate) {
case 192000:
audio_clk_config = AUDIO_CLK_FREQ_192;
break;
case 176400:
audio_clk_config = AUDIO_CLK_FREQ_1764;
break;
case 96000:
audio_clk_config = AUDIO_CLK_FREQ_96;
break;
case 88200:
audio_clk_config = AUDIO_CLK_FREQ_882;
break;
case 48000:
audio_clk_config = AUDIO_CLK_FREQ_48;
break;
case 44100:
audio_clk_config = AUDIO_CLK_FREQ_441;
break;
case 32000:
audio_clk_config = AUDIO_CLK_FREQ_32;
break;
case 8000:
audio_clk_config = AUDIO_CLK_FREQ_8;
break;
case 11025:
audio_clk_config = AUDIO_CLK_FREQ_11;
break;
case 16000:
audio_clk_config = AUDIO_CLK_FREQ_16;
break;
case 22050:
audio_clk_config = AUDIO_CLK_FREQ_22;
break;
case 12000:
audio_clk_config = AUDIO_CLK_FREQ_12;
break;
case 24000:
audio_clk_config = AUDIO_CLK_FREQ_22;
break;
default:
audio_clk_config = AUDIO_CLK_FREQ_441;
break;
};
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
audio_out_i2s_enable(0);
if (i2s->old_samplerate != runtime->rate) {
ALSA_PRINT("enterd %s,old_samplerate:%d,sample_rate=%d\n",
__func__, i2s->old_samplerate, runtime->rate);
i2s->old_samplerate = runtime->rate;
audio_set_i2s_clk(audio_clk_config, AUDIO_CLK_256FS, i2s->mpll);
}
audio_util_set_dac_i2s_format(AUDIO_ALGOUT_DAC_FORMAT_DSP);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
s->i2s_mode = dai_info[dai->id].i2s_mode;
audio_in_i2s_set_buf(runtime->dma_addr, runtime->dma_bytes * 2,
0, i2s_pos_sync);
memset((void *)runtime->dma_area, 0, runtime->dma_bytes * 2);
{
int *ppp =
(int *)(runtime->dma_area + runtime->dma_bytes * 2 -
8);
ppp[0] = 0x78787878;
ppp[1] = 0x78787878;
}
s->device_type = AML_AUDIO_I2SIN;
} else {
s->device_type = AML_AUDIO_I2SOUT;
aml_hw_i2s_init(runtime);
/* i2s/958 share the same audio hw buffer when PCM mode */
if (IEC958_mode_codec == 0) {
aml_hw_iec958_init(substream);
/* use the hw same sync for i2s/958 */
WRITE_MPEG_REG_BITS(AIU_I2S_MISC, 1, 3, 1);
}
else
WRITE_MPEG_REG_BITS(AIU_I2S_MISC, 0, 3, 1);
}
if (runtime->channels == 8) {