/*
special call by the audiodsp,add these code,as there are three cases for 958 s/pdif output
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
*/
static void aml_hw_iec958_init(void)
{
_aiu_958_raw_setting_t set;
_aiu_958_channel_status_t chstat;
unsigned start,size;
memset((void*)(&set), 0, sizeof(set));
memset((void*)(&chstat), 0, sizeof(chstat));
set.chan_stat = &chstat;
/* 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{ /* case 2,3 */
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;
start = (aml_pcm_playback_phy_start_addr);
size = aml_pcm_playback_phy_end_addr - aml_pcm_playback_phy_start_addr;
audio_set_958outbuf(start, size, 0);
}else{
set.chan_stat->chstat0_l = 0x1902;//NONE-PCM
set.chan_stat->chstat0_r = 0x1902;
set.chan_stat->chstat1_l = 0X200;
set.chan_stat->chstat1_r = 0X200;
// start = ((aml_pcm_playback_phy_end_addr + 4096)&(~127));
// size = aml_pcm_playback_phy_end_addr - aml_pcm_playback_phy_start_addr;
start = aml_iec958_playback_start_phy;
size = aml_iec958_playback_size;
audio_set_958outbuf(start, size, (IEC958_MODE == AIU_958_MODE_RAW)?1:0);
memset((void*)aml_iec958_playback_start_addr,0,size);
}
audio_set_958_mode(IEC958_MODE, &set);
if(IEC958_mode_codec == 4) //dd+
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 0, 4, 2); // 4x than i2s
else
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 3, 4, 2);
iec958_notify_hdmi_info();
}
void aml_spdif_play(void)
{
#if 1
struct _aiu_958_raw_setting_t set;
struct _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 (old_samplerate != AUDIO_CLK_FREQ_48) {
pr_info("enterd %s,set_clock:%d,sample_rate=%d\n",
__func__, old_samplerate, AUDIO_CLK_FREQ_48);
old_samplerate = AUDIO_CLK_FREQ_48;
aml_set_spdif_clk(48000 * 512, 0);
}
/* Todo, div can be changed, for most case, div = 2 */
/* audio_set_spdif_clk_div(); */
/* 958 divisor: 0=no div; 1=div by 2; 2=div by 3; 3=div by 4. */
if (IEC958_mode_codec == 4 || IEC958_mode_codec == 5 ||
IEC958_mode_codec == 7 || IEC958_mode_codec == 8) {
pr_info("set 4x audio clk for 958\n");
aml_cbus_update_bits(AIU_CLK_CTRL, 3 << 4, 0 << 4);
} else if (0) {
pr_info("share the same clock\n");
aml_cbus_update_bits(AIU_CLK_CTRL, 3 << 4, 1 << 4);
} else {
pr_info("set normal 512 fs /4 fs\n");
aml_cbus_update_bits(AIU_CLK_CTRL, 3 << 4, 3 << 4);
}
/* enable 958 divider */
aml_cbus_update_bits(AIU_CLK_CTRL, 1 << 1, 1 << 1);
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, 0);
audio_set_958_mode(AIU_958_MODE_PCM16, &set);
#if OVERCLOCK == 1 || IEC958_OVERCLOCK == 1
/* 512fs divide 4 == 128fs */
aml_cbus_update_bits(AIU_CLK_CTRL, 0x3 << 4, 0x3 << 4);
#else
/* 256fs divide 2 == 128fs */
aml_cbus_update_bits(AIU_CLK_CTRL, 0x3 << 4, 0x1 << 4);
#endif
aout_notifier_call_chain(AOUT_EVENT_IEC_60958_PCM, &substream);
audio_hw_958_enable(1);
#endif
}
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);
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,
/*
special call by the audiodsp,add these code,as there are three cases for 958 s/pdif output
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
*/
static void aml_hw_iec958_init(struct snd_pcm_substream *substream)
{
_aiu_958_raw_setting_t set;
_aiu_958_channel_status_t chstat;
unsigned start,size;
unsigned sr = 48000;
memset((void*)(&set), 0, sizeof(set));
memset((void*)(&chstat), 0, sizeof(chstat));
set.chan_stat = &chstat;
if(substream){
struct snd_pcm_runtime *runtime = substream->runtime;
sr = runtime->rate;
}
/* 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{ /* case 2,3 */
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;
start = (aml_pcm_playback_phy_start_addr);
size = aml_pcm_playback_phy_end_addr - aml_pcm_playback_phy_start_addr;
audio_set_958outbuf(start, size, 0);
}else{
set.chan_stat->chstat0_l = 0x1902;//NONE-PCM
set.chan_stat->chstat0_r = 0x1902;
// start = ((aml_pcm_playback_phy_end_addr + 4096)&(~127));
// size = aml_pcm_playback_phy_end_addr - aml_pcm_playback_phy_start_addr;
start = aml_iec958_playback_start_phy;
size = aml_iec958_playback_size;
audio_set_958outbuf(start, size, (IEC958_MODE == AIU_958_MODE_RAW)?1:0);
memset((void*)aml_iec958_playback_start_addr,0,size);
}
/* set the channel status bit for sample rate */
printk("aml_hw_iec958_init audio sr %d \n", sr);
if(IEC958_mode_codec == 4){
if(sr == 32000){
set.chan_stat->chstat1_l = 0x300;
set.chan_stat->chstat1_r = 0x300;
}
else if(sr == 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{
if(sr == 32000){
set.chan_stat->chstat1_l = 0x300;
set.chan_stat->chstat1_r = 0x300;
}
else if(sr == 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;
}
}
audio_set_958_mode(IEC958_MODE, &set);
if(IEC958_mode_codec == 4) //dd+
WRITE_MPEG_REG_BITS(AIU_CLK_CTRL, 0, 4, 2); // 4x than i2s
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
// iec958_notify_hdmi_info();
}
void aml_hw_iec958_init(struct snd_pcm_substream *substream)
{
struct _aiu_958_raw_setting_t set;
struct _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) {
pr_info("buf/%p runtime/%p\n", buf, 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;
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);
pr_info("----aml_hw_iec958_init,runtime->rate=%d,sample_rate=%d--\n",
runtime->rate, sample_rate);
/* int srate; */
/* srate = params_rate(params); */
if (old_samplerate != sample_rate) {
old_samplerate = sample_rate;
aml_set_spdif_clk(runtime->rate * 512, 0);
}
/* Todo, div can be changed, for most case, div = 2 */
/* audio_set_spdif_clk_div(); */
/* 958 divisor: 0=no div; 1=div by 2; 2=div by 3; 3=div by 4. */
if (IEC958_mode_codec == 4 || IEC958_mode_codec == 5 ||
IEC958_mode_codec == 7 || IEC958_mode_codec == 8) {
pr_info("set 4x audio clk for 958\n");
aml_cbus_update_bits(AIU_CLK_CTRL, 3 << 4, 0 << 4);
} else if (0) {
pr_info("share the same clock\n");
aml_cbus_update_bits(AIU_CLK_CTRL, 3 << 4, 1 << 4);
} else {
pr_info("set normal 512 fs /4 fs\n");
aml_cbus_update_bits(AIU_CLK_CTRL, 3 << 4, 3 << 4);
}
/* enable 958 divider */
aml_cbus_update_bits(AIU_CLK_CTRL, 1 << 1, 1 << 1);
audio_util_set_dac_958_format(AUDIO_ALGOUT_DAC_FORMAT_DSP);
/*clear the same source function as new raw data output */
audio_i2s_958_same_source(0);
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;
pr_info("iec958 mode RAW\n");
} else {
/* ac3,use the same pcm mode as i2s configuration */
iec958_mode = AIU_958_MODE_PCM_RAW;
pr_info("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;
pr_info("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) {
pr_info("----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) {
pr_info("----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, 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,
(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 == 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,
substream);
} else if (IEC958_mode_codec == 5) {
aout_notifier_call_chain(AOUT_EVENT_RAWDATA_DTS_HD, substream);
} else if (IEC958_mode_codec == 7 || IEC958_mode_codec == 8) {
aml_write_cbus(AIU_958_CHSTAT_L0, 0x1902);
aml_write_cbus(AIU_958_CHSTAT_L1, 0x900);
aml_write_cbus(AIU_958_CHSTAT_R0, 0x1902);
aml_write_cbus(AIU_958_CHSTAT_R1, 0x900);
if (IEC958_mode_codec == 8)
aout_notifier_call_chain(AOUT_EVENT_RAWDATA_DTS_HD_MA,
substream);
else
aout_notifier_call_chain(AOUT_EVENT_RAWDATA_MAT_MLP,
substream);
} else {
aout_notifier_call_chain(AOUT_EVENT_IEC_60958_PCM, substream);
}
}
