AcoSail/kernel_optimize_test
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Merge branch 'for-2.6.36' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc-2.6 into topic/asoc

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This commit is contained in:
Takashi Iwai 2010-08-02 12:10:52 +02:00
commit 988b0dc154
4 changed files with 159 additions and 109 deletions
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2
include/sound/tlv320dac33-plat.h
View File

@ -15,6 +15,8 @@
struct tlv320dac33_platform_data {
int power_gpio;
int mode1_latency; /* latency caused by the i2c writes in us */
int auto_fifo_config; /* FIFO config based on the period size */
int keep_bclk; /* Keep the BCLK running in FIFO modes */
u8 burst_bclkdiv;
};

127
sound/soc/codecs/tlv320dac33.c
View File

@ -49,8 +49,6 @@
#define NSAMPLE_MAX 5700
#define LATENCY_TIME_MS 20
#define MODE7_LTHR 10
#define MODE7_UTHR (DAC33_BUFFER_SIZE_SAMPLES - 10)
@ -62,6 +60,9 @@
#define US_TO_SAMPLES(rate, us) \
(rate / (1000000 / us))
#define UTHR_FROM_PERIOD_SIZE(samples, playrate, burstrate) \
((samples * 5000) / ((burstrate * 5000) / (burstrate - playrate)))
static void dac33_calculate_times(struct snd_pcm_substream *substream);
static int dac33_prepare_chip(struct snd_pcm_substream *substream);
@ -107,6 +108,10 @@ struct tlv320dac33_priv {
* this */
enum dac33_fifo_modes fifo_mode;/* FIFO mode selection */
unsigned int nsample; /* burst read amount from host */
int mode1_latency; /* latency caused by the i2c writes in
* us */
int auto_fifo_config; /* Configure the FIFO based on the
* period size */
u8 burst_bclkdiv; /* BCLK divider value in burst mode */
unsigned int burst_rate; /* Interface speed in Burst modes */
@ -538,15 +543,18 @@ static const struct snd_kcontrol_new dac33_snd_controls[] = {
DAC33_LINEL_TO_LLO_VOL, DAC33_LINER_TO_RLO_VOL, 0, 127, 1),
};
static const struct snd_kcontrol_new dac33_nsample_snd_controls[] = {
SOC_SINGLE_EXT("nSample", 0, 0, 5900, 0,
dac33_get_nsample, dac33_set_nsample),
SOC_SINGLE_EXT("UTHR", 0, 0, MODE7_UTHR, 0,
dac33_get_uthr, dac33_set_uthr),
static const struct snd_kcontrol_new dac33_mode_snd_controls[] = {
SOC_ENUM_EXT("FIFO Mode", dac33_fifo_mode_enum,
dac33_get_fifo_mode, dac33_set_fifo_mode),
};
static const struct snd_kcontrol_new dac33_fifo_snd_controls[] = {
SOC_SINGLE_EXT("nSample", 0, 0, 5900, 0,
dac33_get_nsample, dac33_set_nsample),
SOC_SINGLE_EXT("UTHR", 0, 0, MODE7_UTHR, 0,
dac33_get_uthr, dac33_set_uthr),
};
/* Analog bypass */
static const struct snd_kcontrol_new dac33_dapm_abypassl_control =
SOC_DAPM_SINGLE("Switch", DAC33_LINEL_TO_LLO_VOL, 7, 1, 1);
@ -649,7 +657,7 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
dac33_write16(codec, DAC33_NSAMPLE_MSB,
DAC33_THRREG(dac33->nsample + dac33->alarm_threshold));
DAC33_THRREG(dac33->nsample));
/* Take the timestamps */
spin_lock_irq(&dac33->lock);
@ -798,6 +806,10 @@ static void dac33_shutdown(struct snd_pcm_substream *substream,
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
dac33->substream = NULL;
/* Reset the nSample restrictions */
dac33->nsample_min = 0;
dac33->nsample_max = NSAMPLE_MAX;
}
static int dac33_hw_params(struct snd_pcm_substream *substream,
@ -1040,54 +1052,68 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
unsigned int period_size = substream->runtime->period_size;
unsigned int rate = substream->runtime->rate;
unsigned int nsample_limit;
/* In bypass mode we don't need to calculate */
if (!dac33->fifo_mode)
return;
/* Number of samples (16bit, stereo) in one period */
dac33->nsample_min = snd_pcm_lib_period_bytes(substream) / 4;
/* Number of samples (16bit, stereo) in ALSA buffer */
dac33->nsample_max = snd_pcm_lib_buffer_bytes(substream) / 4;
/* Subtract one period from the total */
dac33->nsample_max -= dac33->nsample_min;
/* Number of samples for LATENCY_TIME_MS / 2 */
dac33->alarm_threshold = substream->runtime->rate /
(1000 / (LATENCY_TIME_MS / 2));
/* Find and fix up the lowest nsmaple limit */
nsample_limit = substream->runtime->rate / (1000 / LATENCY_TIME_MS);
if (dac33->nsample_min < nsample_limit)
dac33->nsample_min = nsample_limit;
if (dac33->nsample < dac33->nsample_min)
dac33->nsample = dac33->nsample_min;
/*
* Find and fix up the highest nsmaple limit
* In order to not overflow the DAC33 buffer substract the
* alarm_threshold value from the size of the DAC33 buffer
*/
nsample_limit = DAC33_BUFFER_SIZE_SAMPLES - dac33->alarm_threshold;
if (dac33->nsample_max > nsample_limit)
dac33->nsample_max = nsample_limit;
if (dac33->nsample > dac33->nsample_max)
dac33->nsample = dac33->nsample_max;
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
/* Number of samples under i2c latency */
dac33->alarm_threshold = US_TO_SAMPLES(rate,
dac33->mode1_latency);
if (dac33->auto_fifo_config) {
if (period_size <= dac33->alarm_threshold)
/*
* Configure nSamaple to number of periods,
* which covers the latency requironment.
*/
dac33->nsample = period_size *
((dac33->alarm_threshold / period_size) +
(dac33->alarm_threshold % period_size ?
1 : 0));
else
dac33->nsample = period_size;
} else {
/* nSample time shall not be shorter than i2c latency */
dac33->nsample_min = dac33->alarm_threshold;
/*
* nSample should not be bigger than alsa buffer minus
* size of one period to avoid overruns
*/
dac33->nsample_max = substream->runtime->buffer_size -
period_size;
nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
dac33->alarm_threshold;
if (dac33->nsample_max > nsample_limit)
dac33->nsample_max = nsample_limit;
/* Correct the nSample if it is outside of the ranges */
if (dac33->nsample < dac33->nsample_min)
dac33->nsample = dac33->nsample_min;
if (dac33->nsample > dac33->nsample_max)
dac33->nsample = dac33->nsample_max;
}
dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate,
dac33->nsample);
dac33->t_stamp1 = 0;
dac33->t_stamp2 = 0;
break;
case DAC33_FIFO_MODE7:
if (dac33->auto_fifo_config) {
dac33->uthr = UTHR_FROM_PERIOD_SIZE(
period_size,
rate,
dac33->burst_rate) + 9;
if (dac33->uthr > MODE7_UTHR)
dac33->uthr = MODE7_UTHR;
if (dac33->uthr < (MODE7_LTHR + 10))
dac33->uthr = (MODE7_LTHR + 10);
}
dac33->mode7_us_to_lthr =
SAMPLES_TO_US(substream->runtime->rate,
dac33->uthr - MODE7_LTHR + 1);
@ -1385,10 +1411,15 @@ static int dac33_soc_probe(struct platform_device *pdev)
snd_soc_add_controls(codec, dac33_snd_controls,
ARRAY_SIZE(dac33_snd_controls));
/* Only add the nSample controls, if we have valid IRQ number */
if (dac33->irq >= 0)
snd_soc_add_controls(codec, dac33_nsample_snd_controls,
ARRAY_SIZE(dac33_nsample_snd_controls));
/* Only add the FIFO controls, if we have valid IRQ number */
if (dac33->irq >= 0) {
snd_soc_add_controls(codec, dac33_mode_snd_controls,
ARRAY_SIZE(dac33_mode_snd_controls));
/* FIFO usage controls only, if autoio config is not selected */
if (!dac33->auto_fifo_config)
snd_soc_add_controls(codec, dac33_fifo_snd_controls,
ARRAY_SIZE(dac33_fifo_snd_controls));
}
dac33_add_widgets(codec);
@ -1519,6 +1550,10 @@ static int __devinit dac33_i2c_probe(struct i2c_client *client,
/* Pre calculate the burst rate */
dac33->burst_rate = BURST_BASEFREQ_HZ / dac33->burst_bclkdiv / 32;
dac33->keep_bclk = pdata->keep_bclk;
dac33->auto_fifo_config = pdata->auto_fifo_config;
dac33->mode1_latency = pdata->mode1_latency;
if (!dac33->mode1_latency)
dac33->mode1_latency = 10000; /* 10ms */
dac33->irq = client->irq;
dac33->nsample = NSAMPLE_MAX;
dac33->nsample_max = NSAMPLE_MAX;

2
sound/soc/codecs/twl4030.c
View File

@ -1432,11 +1432,9 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
TX2 Left/Right: either analog Left/Right or Digimic1 */
SND_SOC_DAPM_MUX_E("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
&twl4030_dapm_micpathtx1_control, micpath_event,
SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MUX_E("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
&twl4030_dapm_micpathtx2_control, micpath_event,
SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD|
SND_SOC_DAPM_POST_REG),
/* Analog input mixers for the capture amplifiers */

137
sound/soc/omap/omap-mcbsp.c
View File

@ -155,13 +155,23 @@ static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
struct omap_pcm_dma_data *dma_data;
int dma_op_mode = omap_mcbsp_get_dma_op_mode(mcbsp_data->bus_id);
int words;
dma_data = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
/* TODO: Currently, MODE_ELEMENT == MODE_FRAME */
if (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)
/* The FIFO size depends on the McBSP word configuration */
words = snd_pcm_lib_period_bytes(substream) /
/*
* Configure McBSP threshold based on either:
* packet_size, when the sDMA is in packet mode, or
* based on the period size.
*/
if (dma_data->packet_size)
words = dma_data->packet_size;
else
words = snd_pcm_lib_period_bytes(substream) /
(mcbsp_data->wlen / 8);
else
words = 1;
@ -192,31 +202,6 @@ static int omap_mcbsp_hwrule_min_buffersize(struct snd_pcm_hw_params *params,
return snd_interval_refine(buffer_size, &frames);
}
static int omap_mcbsp_hwrule_max_periodsize(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_interval *period_size = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_pcm_substream *substream = rule->private;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
struct snd_interval frames;
int size;
snd_interval_any(&frames);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
size = omap_mcbsp_get_max_tx_threshold(mcbsp_data->bus_id);
else
size = omap_mcbsp_get_max_rx_threshold(mcbsp_data->bus_id);
frames.max = size / channels->min;
frames.integer = 1;
return snd_interval_refine(period_size, &frames);
}
static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@ -245,10 +230,8 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
* 4 channels: size is 128 / 4 = 32 frames (4 * 32 words)
*/
if (cpu_is_omap343x()) {
int dma_op_mode = omap_mcbsp_get_dma_op_mode(bus_id);
/*
* The first rule is for the buffer size, we should not allow
* Rule for the buffer size. We should not allow
* smaller buffer than the FIFO size to avoid underruns
*/
snd_pcm_hw_rule_add(substream->runtime, 0,
@ -257,17 +240,9 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
mcbsp_data,
SNDRV_PCM_HW_PARAM_BUFFER_SIZE, -1);
/*
* In case of threshold mode, the rule will ensure, that the
* period size is not bigger than the maximum allowed threshold
* value.
*/
if (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)
snd_pcm_hw_rule_add(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS,
omap_mcbsp_hwrule_max_periodsize,
substream,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
/* Make sure, that the period size is always even */
snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2);
}
return err;
@ -348,11 +323,14 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
int dma, bus_id = mcbsp_data->bus_id, id = cpu_dai->id;
struct omap_pcm_dma_data *dma_data;
int dma, bus_id = mcbsp_data->bus_id;
int wlen, channels, wpf, sync_mode = OMAP_DMA_SYNC_ELEMENT;
int pkt_size = 0;
unsigned long port;
unsigned int format, div, framesize, master;
dma_data = &omap_mcbsp_dai_dma_params[cpu_dai->id][substream->stream];
if (cpu_class_is_omap1()) {
dma = omap1_dma_reqs[bus_id][substream->stream];
port = omap1_mcbsp_port[bus_id][substream->stream];
@ -365,35 +343,74 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
} else if (cpu_is_omap343x()) {
dma = omap24xx_dma_reqs[bus_id][substream->stream];
port = omap34xx_mcbsp_port[bus_id][substream->stream];
omap_mcbsp_dai_dma_params[id][substream->stream].set_threshold =
omap_mcbsp_set_threshold;
/* TODO: Currently, MODE_ELEMENT == MODE_FRAME */
if (omap_mcbsp_get_dma_op_mode(bus_id) ==
MCBSP_DMA_MODE_THRESHOLD)
sync_mode = OMAP_DMA_SYNC_FRAME;
} else {
return -ENODEV;
}
omap_mcbsp_dai_dma_params[id][substream->stream].name =
substream->stream ? "Audio Capture" : "Audio Playback";
omap_mcbsp_dai_dma_params[id][substream->stream].dma_req = dma;
omap_mcbsp_dai_dma_params[id][substream->stream].port_addr = port;
omap_mcbsp_dai_dma_params[id][substream->stream].sync_mode = sync_mode;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
omap_mcbsp_dai_dma_params[id][substream->stream].data_type =
OMAP_DMA_DATA_TYPE_S16;
dma_data->data_type = OMAP_DMA_DATA_TYPE_S16;
wlen = 16;
break;
case SNDRV_PCM_FORMAT_S32_LE:
omap_mcbsp_dai_dma_params[id][substream->stream].data_type =
OMAP_DMA_DATA_TYPE_S32;
dma_data->data_type = OMAP_DMA_DATA_TYPE_S32;
wlen = 32;
break;
default:
return -EINVAL;
}
if (cpu_is_omap343x()) {
dma_data->set_threshold = omap_mcbsp_set_threshold;
/* TODO: Currently, MODE_ELEMENT == MODE_FRAME */
if (omap_mcbsp_get_dma_op_mode(bus_id) ==
MCBSP_DMA_MODE_THRESHOLD) {
int period_words, max_thrsh;
snd_soc_dai_set_dma_data(cpu_dai, substream,
&omap_mcbsp_dai_dma_params[id][substream->stream]);
period_words = params_period_bytes(params) / (wlen / 8);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
max_thrsh = omap_mcbsp_get_max_tx_threshold(
mcbsp_data->bus_id);
else
max_thrsh = omap_mcbsp_get_max_rx_threshold(
mcbsp_data->bus_id);
/*
* If the period contains less or equal number of words,
* we are using the original threshold mode setup:
* McBSP threshold = sDMA frame size = period_size
* Otherwise we switch to sDMA packet mode:
* McBSP threshold = sDMA packet size
* sDMA frame size = period size
*/
if (period_words > max_thrsh) {
int divider = 0;
/*
* Look for the biggest threshold value, which
* divides the period size evenly.
*/
divider = period_words / max_thrsh;
if (period_words % max_thrsh)
divider++;
while (period_words % divider &&
divider < period_words)
divider++;
if (divider == period_words)
return -EINVAL;
pkt_size = period_words / divider;
sync_mode = OMAP_DMA_SYNC_PACKET;
} else {
sync_mode = OMAP_DMA_SYNC_FRAME;
}
}
}
dma_data->name = substream->stream ? "Audio Capture" : "Audio Playback";
dma_data->dma_req = dma;
dma_data->port_addr = port;
dma_data->sync_mode = sync_mode;
dma_data->packet_size = pkt_size;
snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
if (mcbsp_data->configured) {
/* McBSP already configured by another stream */
@ -419,7 +436,6 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
/* Set word lengths */
wlen = 16;
regs->rcr2 |= RWDLEN2(OMAP_MCBSP_WORD_16);
regs->rcr1 |= RWDLEN1(OMAP_MCBSP_WORD_16);
regs->xcr2 |= XWDLEN2(OMAP_MCBSP_WORD_16);
@ -427,7 +443,6 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
break;
case SNDRV_PCM_FORMAT_S32_LE:
/* Set word lengths */
wlen = 32;
regs->rcr2 |= RWDLEN2(OMAP_MCBSP_WORD_32);
regs->rcr1 |= RWDLEN1(OMAP_MCBSP_WORD_32);
regs->xcr2 |= XWDLEN2(OMAP_MCBSP_WORD_32);