mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-05 18:39:59 +00:00
Merge remote-tracking branches 'asoc/topic/davinci' and 'asoc/topic/dpcm' into asoc-next
This commit is contained in:
commit
698803f8b9
3 changed files with 160 additions and 107 deletions
|
@ -970,30 +970,6 @@ struct snd_soc_dai_link {
|
|||
|
||||
enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
|
||||
|
||||
/* Keep DAI active over suspend */
|
||||
unsigned int ignore_suspend:1;
|
||||
|
||||
/* Symmetry requirements */
|
||||
unsigned int symmetric_rates:1;
|
||||
unsigned int symmetric_channels:1;
|
||||
unsigned int symmetric_samplebits:1;
|
||||
|
||||
/* Mark this pcm with non atomic ops */
|
||||
bool nonatomic;
|
||||
|
||||
/* Do not create a PCM for this DAI link (Backend link) */
|
||||
unsigned int no_pcm:1;
|
||||
|
||||
/* This DAI link can route to other DAI links at runtime (Frontend)*/
|
||||
unsigned int dynamic:1;
|
||||
|
||||
/* DPCM capture and Playback support */
|
||||
unsigned int dpcm_capture:1;
|
||||
unsigned int dpcm_playback:1;
|
||||
|
||||
/* pmdown_time is ignored at stop */
|
||||
unsigned int ignore_pmdown_time:1;
|
||||
|
||||
/* codec/machine specific init - e.g. add machine controls */
|
||||
int (*init)(struct snd_soc_pcm_runtime *rtd);
|
||||
|
||||
|
@ -1008,6 +984,33 @@ struct snd_soc_dai_link {
|
|||
/* For unidirectional dai links */
|
||||
bool playback_only;
|
||||
bool capture_only;
|
||||
|
||||
/* Mark this pcm with non atomic ops */
|
||||
bool nonatomic;
|
||||
|
||||
/* Keep DAI active over suspend */
|
||||
unsigned int ignore_suspend:1;
|
||||
|
||||
/* Symmetry requirements */
|
||||
unsigned int symmetric_rates:1;
|
||||
unsigned int symmetric_channels:1;
|
||||
unsigned int symmetric_samplebits:1;
|
||||
|
||||
/* Do not create a PCM for this DAI link (Backend link) */
|
||||
unsigned int no_pcm:1;
|
||||
|
||||
/* This DAI link can route to other DAI links at runtime (Frontend)*/
|
||||
unsigned int dynamic:1;
|
||||
|
||||
/* DPCM capture and Playback support */
|
||||
unsigned int dpcm_capture:1;
|
||||
unsigned int dpcm_playback:1;
|
||||
|
||||
/* DPCM used FE & BE merged format */
|
||||
unsigned int dpcm_merged_format:1;
|
||||
|
||||
/* pmdown_time is ignored at stop */
|
||||
unsigned int ignore_pmdown_time:1;
|
||||
};
|
||||
|
||||
struct snd_soc_codec_conf {
|
||||
|
|
|
@ -107,6 +107,7 @@ struct davinci_mcasp {
|
|||
#endif
|
||||
|
||||
struct davinci_mcasp_ruledata ruledata[2];
|
||||
struct snd_pcm_hw_constraint_list chconstr[2];
|
||||
};
|
||||
|
||||
static inline void mcasp_set_bits(struct davinci_mcasp *mcasp, u32 offset,
|
||||
|
@ -915,15 +916,12 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
|
|||
* the machine driver, we need to calculate the ratio.
|
||||
*/
|
||||
if (mcasp->bclk_master && mcasp->bclk_div == 0 && mcasp->sysclk_freq) {
|
||||
int channels = params_channels(params);
|
||||
int slots = mcasp->tdm_slots;
|
||||
int rate = params_rate(params);
|
||||
int sbits = params_width(params);
|
||||
int ppm, div;
|
||||
|
||||
if (channels > mcasp->tdm_slots)
|
||||
channels = mcasp->tdm_slots;
|
||||
|
||||
div = davinci_mcasp_calc_clk_div(mcasp, rate*sbits*channels,
|
||||
div = davinci_mcasp_calc_clk_div(mcasp, rate*sbits*slots,
|
||||
&ppm);
|
||||
if (ppm)
|
||||
dev_info(mcasp->dev, "Sample-rate is off by %d PPM\n",
|
||||
|
@ -1024,31 +1022,36 @@ static int davinci_mcasp_hw_rule_rate(struct snd_pcm_hw_params *params,
|
|||
struct snd_interval *ri =
|
||||
hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
|
||||
int sbits = params_width(params);
|
||||
int channels = params_channels(params);
|
||||
unsigned int list[ARRAY_SIZE(davinci_mcasp_dai_rates)];
|
||||
int i, count = 0;
|
||||
int slots = rd->mcasp->tdm_slots;
|
||||
struct snd_interval range;
|
||||
int i;
|
||||
|
||||
if (channels > rd->mcasp->tdm_slots)
|
||||
channels = rd->mcasp->tdm_slots;
|
||||
snd_interval_any(&range);
|
||||
range.empty = 1;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(davinci_mcasp_dai_rates); i++) {
|
||||
if (ri->min <= davinci_mcasp_dai_rates[i] &&
|
||||
ri->max >= davinci_mcasp_dai_rates[i]) {
|
||||
uint bclk_freq = sbits*channels*
|
||||
if (snd_interval_test(ri, davinci_mcasp_dai_rates[i])) {
|
||||
uint bclk_freq = sbits*slots*
|
||||
davinci_mcasp_dai_rates[i];
|
||||
int ppm;
|
||||
|
||||
davinci_mcasp_calc_clk_div(rd->mcasp, bclk_freq, &ppm);
|
||||
if (abs(ppm) < DAVINCI_MAX_RATE_ERROR_PPM)
|
||||
list[count++] = davinci_mcasp_dai_rates[i];
|
||||
if (abs(ppm) < DAVINCI_MAX_RATE_ERROR_PPM) {
|
||||
if (range.empty) {
|
||||
range.min = davinci_mcasp_dai_rates[i];
|
||||
range.empty = 0;
|
||||
}
|
||||
range.max = davinci_mcasp_dai_rates[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
dev_dbg(rd->mcasp->dev,
|
||||
"%d frequencies (%d-%d) for %d sbits and %d channels\n",
|
||||
count, ri->min, ri->max, sbits, channels);
|
||||
|
||||
return snd_interval_list(hw_param_interval(params, rule->var),
|
||||
count, list, 0);
|
||||
dev_dbg(rd->mcasp->dev,
|
||||
"Frequencies %d-%d -> %d-%d for %d sbits and %d tdm slots\n",
|
||||
ri->min, ri->max, range.min, range.max, sbits, slots);
|
||||
|
||||
return snd_interval_refine(hw_param_interval(params, rule->var),
|
||||
&range);
|
||||
}
|
||||
|
||||
static int davinci_mcasp_hw_rule_format(struct snd_pcm_hw_params *params,
|
||||
|
@ -1058,17 +1061,14 @@ static int davinci_mcasp_hw_rule_format(struct snd_pcm_hw_params *params,
|
|||
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
|
||||
struct snd_mask nfmt;
|
||||
int rate = params_rate(params);
|
||||
int channels = params_channels(params);
|
||||
int slots = rd->mcasp->tdm_slots;
|
||||
int i, count = 0;
|
||||
|
||||
snd_mask_none(&nfmt);
|
||||
|
||||
if (channels > rd->mcasp->tdm_slots)
|
||||
channels = rd->mcasp->tdm_slots;
|
||||
|
||||
for (i = 0; i < SNDRV_PCM_FORMAT_LAST; i++) {
|
||||
if (snd_mask_test(fmt, i)) {
|
||||
uint bclk_freq = snd_pcm_format_width(i)*channels*rate;
|
||||
uint bclk_freq = snd_pcm_format_width(i)*slots*rate;
|
||||
int ppm;
|
||||
|
||||
davinci_mcasp_calc_clk_div(rd->mcasp, bclk_freq, &ppm);
|
||||
|
@ -1079,51 +1079,12 @@ static int davinci_mcasp_hw_rule_format(struct snd_pcm_hw_params *params,
|
|||
}
|
||||
}
|
||||
dev_dbg(rd->mcasp->dev,
|
||||
"%d possible sample format for %d Hz and %d channels\n",
|
||||
count, rate, channels);
|
||||
"%d possible sample format for %d Hz and %d tdm slots\n",
|
||||
count, rate, slots);
|
||||
|
||||
return snd_mask_refine(fmt, &nfmt);
|
||||
}
|
||||
|
||||
static int davinci_mcasp_hw_rule_channels(struct snd_pcm_hw_params *params,
|
||||
struct snd_pcm_hw_rule *rule)
|
||||
{
|
||||
struct davinci_mcasp_ruledata *rd = rule->private;
|
||||
struct snd_interval *ci =
|
||||
hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
|
||||
int sbits = params_width(params);
|
||||
int rate = params_rate(params);
|
||||
int max_chan_per_wire = rd->mcasp->tdm_slots < ci->max ?
|
||||
rd->mcasp->tdm_slots : ci->max;
|
||||
unsigned int list[ci->max - ci->min + 1];
|
||||
int c1, c, count = 0;
|
||||
|
||||
for (c1 = ci->min; c1 <= max_chan_per_wire; c1++) {
|
||||
uint bclk_freq = c1*sbits*rate;
|
||||
int ppm;
|
||||
|
||||
davinci_mcasp_calc_clk_div(rd->mcasp, bclk_freq, &ppm);
|
||||
if (abs(ppm) < DAVINCI_MAX_RATE_ERROR_PPM) {
|
||||
/* If we can use all tdm_slots, we can put any
|
||||
amount of channels to remaining wires as
|
||||
long as they fit in. */
|
||||
if (c1 == rd->mcasp->tdm_slots) {
|
||||
for (c = c1; c <= rd->serializers*c1 &&
|
||||
c <= ci->max; c++)
|
||||
list[count++] = c;
|
||||
} else {
|
||||
list[count++] = c1;
|
||||
}
|
||||
}
|
||||
}
|
||||
dev_dbg(rd->mcasp->dev,
|
||||
"%d possible channel counts (%d-%d) for %d Hz and %d sbits\n",
|
||||
count, ci->min, ci->max, rate, sbits);
|
||||
|
||||
return snd_interval_list(hw_param_interval(params, rule->var),
|
||||
count, list, 0);
|
||||
}
|
||||
|
||||
static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
|
||||
struct snd_soc_dai *cpu_dai)
|
||||
{
|
||||
|
@ -1167,6 +1128,11 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
|
|||
SNDRV_PCM_HW_PARAM_CHANNELS,
|
||||
2, max_channels);
|
||||
|
||||
if (mcasp->chconstr[substream->stream].count)
|
||||
snd_pcm_hw_constraint_list(substream->runtime,
|
||||
0, SNDRV_PCM_HW_PARAM_CHANNELS,
|
||||
&mcasp->chconstr[substream->stream]);
|
||||
|
||||
/*
|
||||
* If we rely on implicit BCLK divider setting we should
|
||||
* set constraints based on what we can provide.
|
||||
|
@ -1180,24 +1146,14 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
|
|||
SNDRV_PCM_HW_PARAM_RATE,
|
||||
davinci_mcasp_hw_rule_rate,
|
||||
ruledata,
|
||||
SNDRV_PCM_HW_PARAM_FORMAT,
|
||||
SNDRV_PCM_HW_PARAM_CHANNELS, -1);
|
||||
SNDRV_PCM_HW_PARAM_FORMAT, -1);
|
||||
if (ret)
|
||||
return ret;
|
||||
ret = snd_pcm_hw_rule_add(substream->runtime, 0,
|
||||
SNDRV_PCM_HW_PARAM_FORMAT,
|
||||
davinci_mcasp_hw_rule_format,
|
||||
ruledata,
|
||||
SNDRV_PCM_HW_PARAM_RATE,
|
||||
SNDRV_PCM_HW_PARAM_CHANNELS, -1);
|
||||
if (ret)
|
||||
return ret;
|
||||
ret = snd_pcm_hw_rule_add(substream->runtime, 0,
|
||||
SNDRV_PCM_HW_PARAM_CHANNELS,
|
||||
davinci_mcasp_hw_rule_channels,
|
||||
ruledata,
|
||||
SNDRV_PCM_HW_PARAM_RATE,
|
||||
SNDRV_PCM_HW_PARAM_FORMAT, -1);
|
||||
SNDRV_PCM_HW_PARAM_RATE, -1);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
@ -1556,6 +1512,59 @@ static struct davinci_mcasp_pdata *davinci_mcasp_set_pdata_from_of(
|
|||
return pdata;
|
||||
}
|
||||
|
||||
/* All serializers must have equal number of channels */
|
||||
static int davinci_mcasp_ch_constraint(struct davinci_mcasp *mcasp,
|
||||
struct snd_pcm_hw_constraint_list *cl,
|
||||
int serializers)
|
||||
{
|
||||
unsigned int *list;
|
||||
int i, count = 0;
|
||||
|
||||
if (serializers <= 1)
|
||||
return 0;
|
||||
|
||||
list = devm_kzalloc(mcasp->dev, sizeof(unsigned int) *
|
||||
(mcasp->tdm_slots + serializers - 2),
|
||||
GFP_KERNEL);
|
||||
if (!list)
|
||||
return -ENOMEM;
|
||||
|
||||
for (i = 2; i <= mcasp->tdm_slots; i++)
|
||||
list[count++] = i;
|
||||
|
||||
for (i = 2; i <= serializers; i++)
|
||||
list[count++] = i*mcasp->tdm_slots;
|
||||
|
||||
cl->count = count;
|
||||
cl->list = list;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int davinci_mcasp_init_ch_constraints(struct davinci_mcasp *mcasp)
|
||||
{
|
||||
int rx_serializers = 0, tx_serializers = 0, ret, i;
|
||||
|
||||
for (i = 0; i < mcasp->num_serializer; i++)
|
||||
if (mcasp->serial_dir[i] == TX_MODE)
|
||||
tx_serializers++;
|
||||
else if (mcasp->serial_dir[i] == RX_MODE)
|
||||
rx_serializers++;
|
||||
|
||||
ret = davinci_mcasp_ch_constraint(mcasp, &mcasp->chconstr[
|
||||
SNDRV_PCM_STREAM_PLAYBACK],
|
||||
tx_serializers);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = davinci_mcasp_ch_constraint(mcasp, &mcasp->chconstr[
|
||||
SNDRV_PCM_STREAM_CAPTURE],
|
||||
rx_serializers);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int davinci_mcasp_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct snd_dmaengine_dai_dma_data *dma_data;
|
||||
|
@ -1739,6 +1748,10 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
|
|||
mcasp->fifo_base = DAVINCI_MCASP_V3_AFIFO_BASE;
|
||||
}
|
||||
|
||||
ret = davinci_mcasp_init_ch_constraints(mcasp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev_set_drvdata(&pdev->dev, mcasp);
|
||||
|
||||
mcasp_reparent_fck(pdev);
|
||||
|
|
|
@ -1485,30 +1485,67 @@ int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
|
|||
}
|
||||
|
||||
static void dpcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
|
||||
struct snd_soc_pcm_stream *stream)
|
||||
struct snd_soc_pcm_stream *stream,
|
||||
u64 formats)
|
||||
{
|
||||
runtime->hw.rate_min = stream->rate_min;
|
||||
runtime->hw.rate_max = stream->rate_max;
|
||||
runtime->hw.channels_min = stream->channels_min;
|
||||
runtime->hw.channels_max = stream->channels_max;
|
||||
if (runtime->hw.formats)
|
||||
runtime->hw.formats &= stream->formats;
|
||||
runtime->hw.formats &= formats & stream->formats;
|
||||
else
|
||||
runtime->hw.formats = stream->formats;
|
||||
runtime->hw.formats = formats & stream->formats;
|
||||
runtime->hw.rates = stream->rates;
|
||||
}
|
||||
|
||||
static u64 dpcm_runtime_base_format(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *fe = substream->private_data;
|
||||
struct snd_soc_dpcm *dpcm;
|
||||
u64 formats = ULLONG_MAX;
|
||||
int stream = substream->stream;
|
||||
|
||||
if (!fe->dai_link->dpcm_merged_format)
|
||||
return formats;
|
||||
|
||||
/*
|
||||
* It returns merged BE codec format
|
||||
* if FE want to use it (= dpcm_merged_format)
|
||||
*/
|
||||
|
||||
list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
|
||||
struct snd_soc_pcm_runtime *be = dpcm->be;
|
||||
struct snd_soc_dai_driver *codec_dai_drv;
|
||||
struct snd_soc_pcm_stream *codec_stream;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < be->num_codecs; i++) {
|
||||
codec_dai_drv = be->codec_dais[i]->driver;
|
||||
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
codec_stream = &codec_dai_drv->playback;
|
||||
else
|
||||
codec_stream = &codec_dai_drv->capture;
|
||||
|
||||
formats &= codec_stream->formats;
|
||||
}
|
||||
}
|
||||
|
||||
return formats;
|
||||
}
|
||||
|
||||
static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_pcm_runtime *runtime = substream->runtime;
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
||||
struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
|
||||
u64 format = dpcm_runtime_base_format(substream);
|
||||
|
||||
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback);
|
||||
dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback, format);
|
||||
else
|
||||
dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture);
|
||||
dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture, format);
|
||||
}
|
||||
|
||||
static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd);
|
||||
|
|
Loading…
Reference in a new issue