Trival fixup for move of I/O code into separate file.
Conflicts:
sound/soc/soc-cache.c
struct snd_soc_pcm_stream capture;
struct snd_soc_pcm_stream playback;
unsigned int symmetric_rates:1;
+
+ /* probe ordering - for components with runtime dependencies */
+ int probe_order;
+ int remove_order;
};
/*
void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm);
int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route, int num);
+int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
+ const struct snd_soc_dapm_route *route, int num);
/* dapm events */
int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_card *card; /* parent card */
/* used during DAPM updates */
- int dev_power;
+ enum snd_soc_bias_level target_bias_level;
struct list_head list;
#ifdef CONFIG_DEBUG_FS
#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
+/*
+ * Component probe and remove ordering levels for components with runtime
+ * dependencies.
+ */
+#define SND_SOC_COMP_ORDER_FIRST -2
+#define SND_SOC_COMP_ORDER_EARLY -1
+#define SND_SOC_COMP_ORDER_NORMAL 0
+#define SND_SOC_COMP_ORDER_LATE 1
+#define SND_SOC_COMP_ORDER_LAST 2
+
/*
* Bias levels
*
* @OFF: Power Off. No restrictions on transition times.
*/
enum snd_soc_bias_level {
- SND_SOC_BIAS_OFF,
- SND_SOC_BIAS_STANDBY,
- SND_SOC_BIAS_PREPARE,
- SND_SOC_BIAS_ON,
+ SND_SOC_BIAS_OFF = 0,
+ SND_SOC_BIAS_STANDBY = 1,
+ SND_SOC_BIAS_PREPARE = 2,
+ SND_SOC_BIAS_ON = 3,
};
struct snd_jack;
SND_SOC_RBTREE_COMPRESSION
};
+enum snd_soc_pcm_subclass {
+ SND_SOC_PCM_CLASS_PCM = 0,
+ SND_SOC_PCM_CLASS_BE = 1,
+};
+
int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
unsigned int freq, int dir);
int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
void (*seq_notifier)(struct snd_soc_dapm_context *,
enum snd_soc_dapm_type, int);
+
+ /* probe ordering - for components with runtime dependencies */
+ int probe_order;
+ int remove_order;
};
/* SoC platform interface */
int (*resume)(struct snd_soc_dai *dai);
/* pcm creation and destruction */
- int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
- struct snd_pcm *);
+ int (*pcm_new)(struct snd_soc_pcm_runtime *);
void (*pcm_free)(struct snd_pcm *);
/*
/* platform stream ops */
struct snd_pcm_ops *ops;
+
+ /* probe ordering - for components with runtime dependencies */
+ int probe_order;
+ int remove_order;
};
struct snd_soc_platform {
/* callbacks */
int (*set_bias_level)(struct snd_soc_card *,
+ struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level);
int (*set_bias_level_post)(struct snd_soc_card *,
+ struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level);
long pmdown_time;
struct device dev;
struct snd_soc_card *card;
struct snd_soc_dai_link *dai_link;
+ struct mutex pcm_mutex;
+ enum snd_soc_pcm_subclass pcm_subclass;
+ struct snd_pcm_ops ops;
unsigned int complete:1;
unsigned int dev_registered:1;
snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o
+snd-soc-core-objs += soc-pcm.o soc-io.o
obj-$(CONFIG_SND_SOC) += snd-soc-core.o
obj-$(CONFIG_SND_SOC) += codecs/
\*--------------------------------------------------------------------------*/
static u64 atmel_pcm_dmamask = 0xffffffff;
-static int atmel_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int atmel_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
}
if (dai->driver->capture.channels_min) {
- pr_debug("at32-pcm:"
+ pr_debug("atmel-pcm:"
"Allocating PCM capture DMA buffer\n");
ret = atmel_pcm_preallocate_dma_buffer(pcm,
SNDRV_PCM_STREAM_CAPTURE);
* This structure, shared between the PCM driver and the interface,
* contains all information required by the PCM driver to perform the
* PDC DMA operation. All fields except dma_intr_handler() are initialized
- * by the interface. The dms_intr_handler() pointer is set by the PCM
+ * by the interface. The dma_intr_handler() pointer is set by the PCM
* driver and called by the interface SSC interrupt handler if it is
* non-NULL.
*/
if ((ssc_p->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S
&& bits > 16) {
printk(KERN_WARNING
- "atmel_ssc_dai: sample size %d"
+ "atmel_ssc_dai: sample size %d "
"is too large for I2S\n", bits);
return -EINVAL;
}
}
ssc_pdev = platform_device_alloc("atmel-ssc-dai", ssc_id);
- if (!ssc_pdev) {
- ssc_free(ssc);
+ if (!ssc_pdev)
return -ENOMEM;
- }
/* If we can grab the SSC briefly to parent the DAI device off it */
ssc = ssc_request(ssc_id);
};
static int at91sam9g20ek_set_bias_level(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
static int mclk_on;
snd_pcm_lib_preallocate_free_for_all(pcm);
}
-static int au1xpsc_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int au1xpsc_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_pcm *pcm = rtd->pcm;
+
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev, AU1XPSC_BUFFER_MIN_BYTES, (4096 * 1024) - 1);
static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
-int bf5xx_pcm_ac97_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+int bf5xx_pcm_ac97_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
pr_debug("%s enter\n", __func__);
static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
-int bf5xx_pcm_i2s_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
pr_debug("%s enter\n", __func__);
static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
-static int bf5xx_pcm_tdm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int bf5xx_pcm_tdm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
#include <linux/spi/spi.h>
#include "ad1836.h"
+enum ad1836_type {
+ AD1835,
+ AD1836,
+ AD1838,
+};
+
/* codec private data */
struct ad1836_priv {
- enum snd_soc_control_type control_type;
- void *control_data;
+ enum ad1836_type type;
};
/*
static const struct soc_enum ad1836_deemp_enum =
SOC_ENUM_SINGLE(AD1836_DAC_CTRL1, 8, 4, ad1836_deemp);
-static const struct snd_kcontrol_new ad1836_snd_controls[] = {
- /* DAC volume control */
- SOC_DOUBLE_R("DAC1 Volume", AD1836_DAC_L1_VOL,
- AD1836_DAC_R1_VOL, 0, 0x3FF, 0),
- SOC_DOUBLE_R("DAC2 Volume", AD1836_DAC_L2_VOL,
- AD1836_DAC_R2_VOL, 0, 0x3FF, 0),
- SOC_DOUBLE_R("DAC3 Volume", AD1836_DAC_L3_VOL,
- AD1836_DAC_R3_VOL, 0, 0x3FF, 0),
-
- /* ADC switch control */
- SOC_DOUBLE("ADC1 Switch", AD1836_ADC_CTRL2, AD1836_ADCL1_MUTE,
- AD1836_ADCR1_MUTE, 1, 1),
- SOC_DOUBLE("ADC2 Switch", AD1836_ADC_CTRL2, AD1836_ADCL2_MUTE,
- AD1836_ADCR2_MUTE, 1, 1),
-
- /* DAC switch control */
- SOC_DOUBLE("DAC1 Switch", AD1836_DAC_CTRL2, AD1836_DACL1_MUTE,
- AD1836_DACR1_MUTE, 1, 1),
- SOC_DOUBLE("DAC2 Switch", AD1836_DAC_CTRL2, AD1836_DACL2_MUTE,
- AD1836_DACR2_MUTE, 1, 1),
- SOC_DOUBLE("DAC3 Switch", AD1836_DAC_CTRL2, AD1836_DACL3_MUTE,
- AD1836_DACR3_MUTE, 1, 1),
+#define AD1836_DAC_VOLUME(x) \
+ SOC_DOUBLE_R("DAC" #x " Playback Volume", AD1836_DAC_L_VOL(x), \
+ AD1836_DAC_R_VOL(x), 0, 0x3FF, 0)
+
+#define AD1836_DAC_SWITCH(x) \
+ SOC_DOUBLE("DAC" #x " Playback Switch", AD1836_DAC_CTRL2, \
+ AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1)
+
+#define AD1836_ADC_SWITCH(x) \
+ SOC_DOUBLE("ADC" #x " Capture Switch", AD1836_ADC_CTRL2, \
+ AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1)
+
+static const struct snd_kcontrol_new ad183x_dac_controls[] = {
+ AD1836_DAC_VOLUME(1),
+ AD1836_DAC_SWITCH(1),
+ AD1836_DAC_VOLUME(2),
+ AD1836_DAC_SWITCH(2),
+ AD1836_DAC_VOLUME(3),
+ AD1836_DAC_SWITCH(3),
+ AD1836_DAC_VOLUME(4),
+ AD1836_DAC_SWITCH(4),
+};
+
+static const struct snd_soc_dapm_widget ad183x_dac_dapm_widgets[] = {
+ SND_SOC_DAPM_OUTPUT("DAC1OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC2OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC3OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC4OUT"),
+};
+
+static const struct snd_soc_dapm_route ad183x_dac_routes[] = {
+ { "DAC1OUT", NULL, "DAC" },
+ { "DAC2OUT", NULL, "DAC" },
+ { "DAC3OUT", NULL, "DAC" },
+ { "DAC4OUT", NULL, "DAC" },
+};
+
+static const struct snd_kcontrol_new ad183x_adc_controls[] = {
+ AD1836_ADC_SWITCH(1),
+ AD1836_ADC_SWITCH(2),
+ AD1836_ADC_SWITCH(3),
+};
+
+static const struct snd_soc_dapm_widget ad183x_adc_dapm_widgets[] = {
+ SND_SOC_DAPM_INPUT("ADC1IN"),
+ SND_SOC_DAPM_INPUT("ADC2IN"),
+};
+static const struct snd_soc_dapm_route ad183x_adc_routes[] = {
+ { "ADC", NULL, "ADC1IN" },
+ { "ADC", NULL, "ADC2IN" },
+};
+
+static const struct snd_kcontrol_new ad183x_controls[] = {
/* ADC high-pass filter */
SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1,
AD1836_ADC_HIGHPASS_FILTER, 1, 0),
SOC_ENUM("Playback Deemphasis", ad1836_deemp_enum),
};
-static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = {
+static const struct snd_soc_dapm_widget ad183x_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DAC", "Playback", AD1836_DAC_CTRL1,
AD1836_DAC_POWERDOWN, 1),
SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1836_ADC_CTRL1,
AD1836_ADC_POWERDOWN, 1, NULL, 0),
- SND_SOC_DAPM_OUTPUT("DAC1OUT"),
- SND_SOC_DAPM_OUTPUT("DAC2OUT"),
- SND_SOC_DAPM_OUTPUT("DAC3OUT"),
- SND_SOC_DAPM_INPUT("ADC1IN"),
- SND_SOC_DAPM_INPUT("ADC2IN"),
};
-static const struct snd_soc_dapm_route audio_paths[] = {
+static const struct snd_soc_dapm_route ad183x_dapm_routes[] = {
{ "DAC", NULL, "ADC_PWR" },
{ "ADC", NULL, "ADC_PWR" },
- { "DAC1OUT", "DAC1 Switch", "DAC" },
- { "DAC2OUT", "DAC2 Switch", "DAC" },
- { "DAC3OUT", "DAC3 Switch", "DAC" },
- { "ADC", "ADC1 Switch", "ADC1IN" },
- { "ADC", "ADC2 Switch", "ADC2IN" },
+};
+
+static const DECLARE_TLV_DB_SCALE(ad1836_in_tlv, 0, 300, 0);
+
+static const struct snd_kcontrol_new ad1836_controls[] = {
+ SOC_DOUBLE_TLV("ADC2 Capture Volume", AD1836_ADC_CTRL1, 3, 0, 4, 0,
+ ad1836_in_tlv),
};
/*
pm_message_t state)
{
/* reset clock control mode */
- u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
- adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
-
- return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
+ return snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
+ AD1836_ADC_SERFMT_MASK, 0);
}
static int ad1836_soc_resume(struct snd_soc_codec *codec)
{
/* restore clock control mode */
- u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
- adc_ctrl2 |= AD1836_ADC_AUX;
-
- return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
+ return snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
+ AD1836_ADC_SERFMT_MASK, AD1836_ADC_AUX);
}
#else
#define ad1836_soc_suspend NULL
.set_fmt = ad1836_set_dai_fmt,
};
-/* codec DAI instance */
-static struct snd_soc_dai_driver ad1836_dai = {
- .name = "ad1836-hifi",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 2,
- .channels_max = 6,
- .rates = SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
- },
- .capture = {
- .stream_name = "Capture",
- .channels_min = 2,
- .channels_max = 4,
- .rates = SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
- },
- .ops = &ad1836_dai_ops,
+#define AD183X_DAI(_name, num_dacs, num_adcs) \
+{ \
+ .name = _name "-hifi", \
+ .playback = { \
+ .stream_name = "Playback", \
+ .channels_min = 2, \
+ .channels_max = (num_dacs) * 2, \
+ .rates = SNDRV_PCM_RATE_48000, \
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, \
+ }, \
+ .capture = { \
+ .stream_name = "Capture", \
+ .channels_min = 2, \
+ .channels_max = (num_adcs) * 2, \
+ .rates = SNDRV_PCM_RATE_48000, \
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, \
+ }, \
+ .ops = &ad1836_dai_ops, \
+}
+
+static struct snd_soc_dai_driver ad183x_dais[] = {
+ [AD1835] = AD183X_DAI("ad1835", 4, 1),
+ [AD1836] = AD183X_DAI("ad1836", 3, 2),
+ [AD1838] = AD183X_DAI("ad1838", 3, 1),
};
static int ad1836_probe(struct snd_soc_codec *codec)
{
struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = &codec->dapm;
+ int num_dacs, num_adcs;
int ret = 0;
+ int i;
+
+ num_dacs = ad183x_dais[ad1836->type].playback.channels_max / 2;
+ num_adcs = ad183x_dais[ad1836->type].capture.channels_max / 2;
- codec->control_data = ad1836->control_data;
ret = snd_soc_codec_set_cache_io(codec, 4, 12, SND_SOC_SPI);
if (ret < 0) {
dev_err(codec->dev, "failed to set cache I/O: %d\n",
snd_soc_write(codec, AD1836_ADC_CTRL1, 0x100);
/* unmute adc channles, adc aux mode */
snd_soc_write(codec, AD1836_ADC_CTRL2, 0x180);
- /* left/right diff:PGA/MUX */
- snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A);
/* volume */
- snd_soc_write(codec, AD1836_DAC_L1_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_R1_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_L2_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_R2_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_L3_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_R3_VOL, 0x3FF);
-
- snd_soc_add_controls(codec, ad1836_snd_controls,
- ARRAY_SIZE(ad1836_snd_controls));
- snd_soc_dapm_new_controls(dapm, ad1836_dapm_widgets,
- ARRAY_SIZE(ad1836_dapm_widgets));
- snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
+ for (i = 1; i <= num_dacs; ++i) {
+ snd_soc_write(codec, AD1836_DAC_L_VOL(i), 0x3FF);
+ snd_soc_write(codec, AD1836_DAC_R_VOL(i), 0x3FF);
+ }
+
+ if (ad1836->type == AD1836) {
+ /* left/right diff:PGA/MUX */
+ snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A);
+ ret = snd_soc_add_controls(codec, ad1836_controls,
+ ARRAY_SIZE(ad1836_controls));
+ if (ret)
+ return ret;
+ } else {
+ snd_soc_write(codec, AD1836_ADC_CTRL3, 0x00);
+ }
+
+ ret = snd_soc_add_controls(codec, ad183x_dac_controls, num_dacs * 2);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_add_controls(codec, ad183x_adc_controls, num_adcs);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dapm_new_controls(dapm, ad183x_dac_dapm_widgets, num_dacs);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dapm_new_controls(dapm, ad183x_adc_dapm_widgets, num_adcs);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dapm_add_routes(dapm, ad183x_dac_routes, num_dacs);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dapm_add_routes(dapm, ad183x_adc_routes, num_adcs);
+ if (ret)
+ return ret;
return ret;
}
static int ad1836_remove(struct snd_soc_codec *codec)
{
/* reset clock control mode */
- u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
- adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
-
- return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
+ return snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
+ AD1836_ADC_SERFMT_MASK, 0);
}
static struct snd_soc_codec_driver soc_codec_dev_ad1836 = {
.resume = ad1836_soc_resume,
.reg_cache_size = AD1836_NUM_REGS,
.reg_word_size = sizeof(u16),
+
+ .controls = ad183x_controls,
+ .num_controls = ARRAY_SIZE(ad183x_controls),
+ .dapm_widgets = ad183x_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ad183x_dapm_widgets),
+ .dapm_routes = ad183x_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(ad183x_dapm_routes),
};
static int __devinit ad1836_spi_probe(struct spi_device *spi)
if (ad1836 == NULL)
return -ENOMEM;
+ ad1836->type = spi_get_device_id(spi)->driver_data;
+
spi_set_drvdata(spi, ad1836);
- ad1836->control_data = spi;
- ad1836->control_type = SND_SOC_SPI;
ret = snd_soc_register_codec(&spi->dev,
- &soc_codec_dev_ad1836, &ad1836_dai, 1);
+ &soc_codec_dev_ad1836, &ad183x_dais[ad1836->type], 1);
if (ret < 0)
kfree(ad1836);
return ret;
kfree(spi_get_drvdata(spi));
return 0;
}
+static const struct spi_device_id ad1836_ids[] = {
+ { "ad1835", AD1835 },
+ { "ad1836", AD1836 },
+ { "ad1837", AD1835 },
+ { "ad1838", AD1838 },
+ { "ad1839", AD1838 },
+ { },
+};
+MODULE_DEVICE_TABLE(spi, ad1836_ids);
static struct spi_driver ad1836_spi_driver = {
.driver = {
},
.probe = ad1836_spi_probe,
.remove = __devexit_p(ad1836_spi_remove),
+ .id_table = ad1836_ids,
};
static int __init ad1836_init(void)
#define AD1836_DAC_WORD_LEN_OFFSET 3
#define AD1836_DAC_CTRL2 1
-#define AD1836_DACL1_MUTE 0
-#define AD1836_DACR1_MUTE 1
-#define AD1836_DACL2_MUTE 2
-#define AD1836_DACR2_MUTE 3
-#define AD1836_DACL3_MUTE 4
-#define AD1836_DACR3_MUTE 5
-#define AD1836_DAC_L1_VOL 2
-#define AD1836_DAC_R1_VOL 3
-#define AD1836_DAC_L2_VOL 4
-#define AD1836_DAC_R2_VOL 5
-#define AD1836_DAC_L3_VOL 6
-#define AD1836_DAC_R3_VOL 7
+/* These macros are one-based. So AD183X_MUTE_LEFT(1) will return the mute bit
+ * for the first ADC/DAC */
+#define AD1836_MUTE_LEFT(x) (((x) * 2) - 2)
+#define AD1836_MUTE_RIGHT(x) (((x) * 2) - 1)
+
+#define AD1836_DAC_L_VOL(x) ((x) * 2)
+#define AD1836_DAC_R_VOL(x) (1 + ((x) * 2))
#define AD1836_ADC_CTRL1 12
#define AD1836_ADC_POWERDOWN 7
#define AD1836_ADC_HIGHPASS_FILTER 8
#define AD1836_ADC_CTRL2 13
-#define AD1836_ADCL1_MUTE 0
-#define AD1836_ADCR1_MUTE 1
-#define AD1836_ADCL2_MUTE 2
-#define AD1836_ADCR2_MUTE 3
#define AD1836_ADC_WORD_LEN_MASK 0x30
#define AD1836_ADC_WORD_OFFSET 5
#define AD1836_ADC_SERFMT_MASK (7 << 6)
.set_sysclk = ak4641_set_dai_sysclk,
};
-struct snd_soc_dai_driver ak4641_dai[] = {
+static struct snd_soc_dai_driver ak4641_dai[] = {
{
.name = "ak4641-hifi",
.id = 1,
#endif /* CONFIG_PM */
/*
- * ASoC codec device structure
- *
- * Assign this variable to the codec_dev field of the machine driver's
- * snd_soc_device structure.
+ * ASoC codec driver structure
*/
static const struct snd_soc_codec_driver soc_codec_device_cs4270 = {
.probe = cs4270_probe,
if (freq == max98088->sysclk)
return 0;
- max98088->sysclk = freq; /* remember current sysclk */
-
/* Setup clocks for slave mode, and using the PLL
* PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
* 0x02 (when master clk is 20MHz to 30MHz)..
if (freq == max98095->sysclk)
return 0;
- max98095->sysclk = freq; /* remember current sysclk */
-
/* Setup clocks for slave mode, and using the PLL
* PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
* 0x02 (when master clk is 20MHz to 40MHz)..
#define HPOUT2L 4
#define HPOUT2R 8
-#define WM8915_NUM_SUPPLIES 6
+#define WM8915_NUM_SUPPLIES 4
static const char *wm8915_supply_names[WM8915_NUM_SUPPLIES] = {
- "DCVDD",
"DBVDD",
"AVDD1",
"AVDD2",
"CPVDD",
- "MICVDD",
};
struct wm8915_priv {
int ldo1ena;
int sysclk;
+ int sysclk_src;
int fll_src;
int fll_fref;
struct wm8915_pdata pdata;
int rx_rate[WM8915_AIFS];
+ int bclk_rate[WM8915_AIFS];
/* Platform dependant ReTune mobile configuration */
int num_retune_mobile_texts;
WM8915_REGULATOR_EVENT(1)
WM8915_REGULATOR_EVENT(2)
WM8915_REGULATOR_EVENT(3)
-WM8915_REGULATOR_EVENT(4)
-WM8915_REGULATOR_EVENT(5)
static const u16 wm8915_reg[WM8915_MAX_REGISTER] = {
[WM8915_SOFTWARE_RESET] = 0x8915,
return snd_soc_write(codec, WM8915_SOFTWARE_RESET, 0x8915);
}
+static const int bclk_divs[] = {
+ 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
+};
+
+static void wm8915_update_bclk(struct snd_soc_codec *codec)
+{
+ struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
+ int aif, best, cur_val, bclk_rate, bclk_reg, i;
+
+ /* Don't bother if we're in a low frequency idle mode that
+ * can't support audio.
+ */
+ if (wm8915->sysclk < 64000)
+ return;
+
+ for (aif = 0; aif < WM8915_AIFS; aif++) {
+ switch (aif) {
+ case 0:
+ bclk_reg = WM8915_AIF1_BCLK;
+ break;
+ case 1:
+ bclk_reg = WM8915_AIF2_BCLK;
+ break;
+ }
+
+ bclk_rate = wm8915->bclk_rate[aif];
+
+ /* Pick a divisor for BCLK as close as we can get to ideal */
+ best = 0;
+ for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
+ cur_val = (wm8915->sysclk / bclk_divs[i]) - bclk_rate;
+ if (cur_val < 0) /* BCLK table is sorted */
+ break;
+ best = i;
+ }
+ bclk_rate = wm8915->sysclk / bclk_divs[best];
+ dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
+ bclk_divs[best], bclk_rate);
+
+ snd_soc_update_bits(codec, bclk_reg,
+ WM8915_AIF1_BCLK_DIV_MASK, best);
+ }
+}
+
static int wm8915_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
return 0;
}
-static const int bclk_divs[] = {
- 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
-};
-
static const int dsp_divs[] = {
48000, 32000, 16000, 8000
};
{
struct snd_soc_codec *codec = dai->codec;
struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
- int bits, i, bclk_rate, best, cur_val;
+ int bits, i, bclk_rate;
int aifdata = 0;
- int bclk = 0;
int lrclk = 0;
int dsp = 0;
- int aifdata_reg, bclk_reg, lrclk_reg, dsp_shift;
-
- if (!wm8915->sysclk) {
- dev_err(codec->dev, "SYSCLK not configured\n");
- return -EINVAL;
- }
+ int aifdata_reg, lrclk_reg, dsp_shift;
switch (dai->id) {
case 0:
aifdata_reg = WM8915_AIF1TX_DATA_CONFIGURATION_1;
lrclk_reg = WM8915_AIF1_TX_LRCLK_1;
}
- bclk_reg = WM8915_AIF1_BCLK;
dsp_shift = 0;
break;
case 1:
aifdata_reg = WM8915_AIF2TX_DATA_CONFIGURATION_1;
lrclk_reg = WM8915_AIF2_TX_LRCLK_1;
}
- bclk_reg = WM8915_AIF2_BCLK;
dsp_shift = WM8915_DSP2_DIV_SHIFT;
break;
default:
return bclk_rate;
}
+ wm8915->bclk_rate[dai->id] = bclk_rate;
+ wm8915->rx_rate[dai->id] = params_rate(params);
+
/* Needs looking at for TDM */
bits = snd_pcm_format_width(params_format(params));
if (bits < 0)
}
dsp |= i << dsp_shift;
- /* Pick a divisor for BCLK as close as we can get to ideal */
- best = 0;
- for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
- cur_val = (wm8915->sysclk / bclk_divs[i]) - bclk_rate;
- if (cur_val < 0) /* BCLK table is sorted */
- break;
- best = i;
- }
- bclk_rate = wm8915->sysclk / bclk_divs[best];
- dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
- bclk_divs[best], bclk_rate);
- bclk |= best;
+ wm8915_update_bclk(codec);
lrclk = bclk_rate / params_rate(params);
dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
WM8915_AIF1TX_WL_MASK |
WM8915_AIF1TX_SLOT_LEN_MASK,
aifdata);
- snd_soc_update_bits(codec, bclk_reg, WM8915_AIF1_BCLK_DIV_MASK, bclk);
snd_soc_update_bits(codec, lrclk_reg, WM8915_AIF1RX_RATE_MASK,
lrclk);
snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_2,
WM8915_DSP1_DIV_SHIFT << dsp_shift, dsp);
- wm8915->rx_rate[dai->id] = params_rate(params);
-
return 0;
}
int src;
int old;
+ if (freq == wm8915->sysclk && clk_id == wm8915->sysclk_src)
+ return 0;
+
/* Disable SYSCLK while we reconfigure */
old = snd_soc_read(codec, WM8915_AIF_CLOCKING_1) & WM8915_SYSCLK_ENA;
snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
return -EINVAL;
}
+ wm8915_update_bclk(codec);
+
snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
WM8915_SYSCLK_SRC_MASK | WM8915_SYSCLK_DIV_MASK,
src << WM8915_SYSCLK_SRC_SHIFT | ratediv);
snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
WM8915_SYSCLK_ENA, old);
+ wm8915->sysclk_src = clk_id;
+
return 0;
}
unsigned int Fref, unsigned int Fout)
{
struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
+ struct i2c_client *i2c = to_i2c_client(codec->dev);
struct _fll_div fll_div;
unsigned long timeout;
int ret, reg;
else
timeout = msecs_to_jiffies(2);
- wait_for_completion_timeout(&wm8915->fll_lock, timeout);
+ /* Allow substantially longer if we've actually got the IRQ */
+ if (i2c->irq)
+ timeout *= 1000;
+
+ ret = wait_for_completion_timeout(&wm8915->fll_lock, timeout);
+
+ if (ret == 0 && i2c->irq) {
+ dev_err(codec->dev, "Timed out waiting for FLL\n");
+ ret = -ETIMEDOUT;
+ } else {
+ ret = 0;
+ }
dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
wm8915->fll_fout = Fout;
wm8915->fll_src = source;
- return 0;
+ return ret;
}
#ifdef CONFIG_GPIOLIB
SND_JACK_HEADSET | SND_JACK_BTN_0);
wm8915->jack_mic = true;
wm8915->detecting = false;
+
+ /* Increase poll rate to give better responsiveness
+ * for buttons */
+ snd_soc_update_bits(codec, WM8915_MIC_DETECT_1,
+ WM8915_MICD_RATE_MASK,
+ 5 << WM8915_MICD_RATE_SHIFT);
}
/* If we detected a lower impedence during initial startup
SND_JACK_HEADPHONE,
SND_JACK_HEADSET |
SND_JACK_BTN_0);
+
+ /* Increase the detection rate a bit for
+ * responsiveness.
+ */
+ snd_soc_update_bits(codec, WM8915_MIC_DETECT_1,
+ WM8915_MICD_RATE_MASK,
+ 7 << WM8915_MICD_RATE_SHIFT);
+
wm8915->detecting = false;
}
}
-
- /* Increase poll rate to give better responsiveness for buttons */
- if (!wm8915->detecting)
- snd_soc_update_bits(codec, WM8915_MIC_DETECT_1,
- WM8915_MICD_RATE_MASK,
- 5 << WM8915_MICD_RATE_SHIFT);
}
static irqreturn_t wm8915_irq(int irq, void *data)
}
}
+static irqreturn_t wm8915_edge_irq(int irq, void *data)
+{
+ irqreturn_t ret = IRQ_NONE;
+ irqreturn_t val;
+
+ do {
+ val = wm8915_irq(irq, data);
+ if (val != IRQ_NONE)
+ ret = val;
+ } while (val != IRQ_NONE);
+
+ return ret;
+}
+
static void wm8915_retune_mobile_pdata(struct snd_soc_codec *codec)
{
struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec);
wm8915->disable_nb[1].notifier_call = wm8915_regulator_event_1;
wm8915->disable_nb[2].notifier_call = wm8915_regulator_event_2;
wm8915->disable_nb[3].notifier_call = wm8915_regulator_event_3;
- wm8915->disable_nb[4].notifier_call = wm8915_regulator_event_4;
- wm8915->disable_nb[5].notifier_call = wm8915_regulator_event_5;
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8915->supplies); i++) {
irq_flags |= IRQF_ONESHOT;
- ret = request_threaded_irq(i2c->irq, NULL, wm8915_irq,
- irq_flags, "wm8915", codec);
+ if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
+ ret = request_threaded_irq(i2c->irq, NULL,
+ wm8915_edge_irq,
+ irq_flags, "wm8915", codec);
+ else
+ ret = request_threaded_irq(i2c->irq, NULL, wm8915_irq,
+ irq_flags, "wm8915", codec);
+
if (ret == 0) {
/* Unmask the interrupt */
snd_soc_update_bits(codec, WM8915_INTERRUPT_CONTROL,
if (ret)
goto error_ret;
ret = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
- if (ret)
- goto error_ret;
error_ret:
return ret;
}
}
ret = wm8940_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- if (ret)
- goto error_ret;
error_ret:
return ret;
if (ret)
return ret;
ret = wm8940_add_widgets(codec);
- if (ret)
- return ret;
-
return ret;
}
#ifdef CONFIG_GPIOLIB
struct gpio_chip gpio_chip;
#endif
+
+ int irq;
};
/* We can't use the same notifier block for more than one supply and
0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
};
+static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
/* The VU bits for the headphones are in a different register to the mute
* bits and only take effect on the PGA if it is actually powered.
SOC_SINGLE_TLV("Speaker Boost Volume", WM8962_CLASS_D_CONTROL_2, 0, 7, 0,
classd_tlv),
+
+SOC_SINGLE("EQ Switch", WM8962_EQ1, WM8962_EQ_ENA_SHIFT, 1, 0),
+SOC_DOUBLE_R_TLV("EQ1 Volume", WM8962_EQ2, WM8962_EQ22,
+ WM8962_EQL_B1_GAIN_SHIFT, 31, 0, eq_tlv),
+SOC_DOUBLE_R_TLV("EQ2 Volume", WM8962_EQ2, WM8962_EQ22,
+ WM8962_EQL_B2_GAIN_SHIFT, 31, 0, eq_tlv),
+SOC_DOUBLE_R_TLV("EQ3 Volume", WM8962_EQ2, WM8962_EQ22,
+ WM8962_EQL_B3_GAIN_SHIFT, 31, 0, eq_tlv),
+SOC_DOUBLE_R_TLV("EQ4 Volume", WM8962_EQ3, WM8962_EQ23,
+ WM8962_EQL_B4_GAIN_SHIFT, 31, 0, eq_tlv),
+SOC_DOUBLE_R_TLV("EQ5 Volume", WM8962_EQ3, WM8962_EQ23,
+ WM8962_EQL_B5_GAIN_SHIFT, 31, 0, eq_tlv),
};
static const struct snd_kcontrol_new wm8962_spk_mono_controls[] = {
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
+ struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
+ unsigned long timeout;
int src;
int fll;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
- if (fll)
+ if (fll) {
snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1,
WM8962_FLL_ENA, WM8962_FLL_ENA);
+ if (wm8962->irq) {
+ timeout = msecs_to_jiffies(5);
+ timeout = wait_for_completion_timeout(&wm8962->fll_lock,
+ timeout);
+
+ if (timeout == 0)
+ dev_err(codec->dev,
+ "Timed out starting FLL\n");
+ }
+ }
break;
case SND_SOC_DAPM_POST_PMD:
1, -1, 2, 3, 4, -1, 6, 8, -1, 12, 16, 24, -1, 32, 32, 32
};
+static const int sysclk_rates[] = {
+ 64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536,
+};
+
static void wm8962_configure_bclk(struct snd_soc_codec *codec)
{
struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
int dspclk, i;
int clocking2 = 0;
+ int clocking4 = 0;
int aif2 = 0;
- if (!wm8962->bclk) {
- dev_dbg(codec->dev, "No BCLK rate configured\n");
+ if (!wm8962->sysclk_rate) {
+ dev_dbg(codec->dev, "No SYSCLK configured\n");
+ return;
+ }
+
+ if (!wm8962->bclk || !wm8962->lrclk) {
+ dev_dbg(codec->dev, "No audio clocks configured\n");
return;
}
+ for (i = 0; i < ARRAY_SIZE(sysclk_rates); i++) {
+ if (sysclk_rates[i] == wm8962->sysclk_rate / wm8962->lrclk) {
+ clocking4 |= i << WM8962_SYSCLK_RATE_SHIFT;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(sysclk_rates)) {
+ dev_err(codec->dev, "Unsupported sysclk ratio %d\n",
+ wm8962->sysclk_rate / wm8962->lrclk);
+ return;
+ }
+
+ snd_soc_update_bits(codec, WM8962_CLOCKING_4,
+ WM8962_SYSCLK_RATE_MASK, clocking4);
+
dspclk = snd_soc_read(codec, WM8962_CLOCKING1);
if (dspclk < 0) {
dev_err(codec->dev, "Failed to read DSPCLK: %d\n", dspclk);
/* VMID 2*50k */
snd_soc_update_bits(codec, WM8962_PWR_MGMT_1,
WM8962_VMID_SEL_MASK, 0x80);
+
+ wm8962_configure_bclk(codec);
break;
case SND_SOC_BIAS_STANDBY:
snd_soc_update_bits(codec, WM8962_CLOCKING2,
WM8962_CLKREG_OVD,
WM8962_CLKREG_OVD);
-
- wm8962_configure_bclk(codec);
}
/* VMID 2*250k */
{ 96000, 6 },
};
-static const int sysclk_rates[] = {
- 64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536,
-};
-
static int wm8962_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
- int rate = params_rate(params);
int i;
int aif0 = 0;
int adctl3 = 0;
- int clocking4 = 0;
wm8962->bclk = snd_soc_params_to_bclk(params);
wm8962->lrclk = params_rate(params);
for (i = 0; i < ARRAY_SIZE(sr_vals); i++) {
- if (sr_vals[i].rate == rate) {
+ if (sr_vals[i].rate == wm8962->lrclk) {
adctl3 |= sr_vals[i].reg;
break;
}
}
if (i == ARRAY_SIZE(sr_vals)) {
- dev_err(codec->dev, "Unsupported rate %dHz\n", rate);
+ dev_err(codec->dev, "Unsupported rate %dHz\n", wm8962->lrclk);
return -EINVAL;
}
- if (rate % 8000 == 0)
+ if (wm8962->lrclk % 8000 == 0)
adctl3 |= WM8962_SAMPLE_RATE_INT_MODE;
- for (i = 0; i < ARRAY_SIZE(sysclk_rates); i++) {
- if (sysclk_rates[i] == wm8962->sysclk_rate / rate) {
- clocking4 |= i << WM8962_SYSCLK_RATE_SHIFT;
- break;
- }
- }
- if (i == ARRAY_SIZE(sysclk_rates)) {
- dev_err(codec->dev, "Unsupported sysclk ratio %d\n",
- wm8962->sysclk_rate / rate);
- return -EINVAL;
- }
-
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
break;
snd_soc_update_bits(codec, WM8962_ADDITIONAL_CONTROL_3,
WM8962_SAMPLE_RATE_INT_MODE |
WM8962_SAMPLE_RATE_MASK, adctl3);
- snd_soc_update_bits(codec, WM8962_CLOCKING_4,
- WM8962_SYSCLK_RATE_MASK, clocking4);
wm8962_configure_bclk(codec);
dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
- /* This should be a massive overestimate */
- timeout = msecs_to_jiffies(1);
+ ret = 0;
+
+ if (fll1 & WM8962_FLL_ENA) {
+ /* This should be a massive overestimate but go even
+ * higher if we'll error out
+ */
+ if (wm8962->irq)
+ timeout = msecs_to_jiffies(5);
+ else
+ timeout = msecs_to_jiffies(1);
+
+ timeout = wait_for_completion_timeout(&wm8962->fll_lock,
+ timeout);
- wait_for_completion_timeout(&wm8962->fll_lock, timeout);
+ if (timeout == 0 && wm8962->irq) {
+ dev_err(codec->dev, "FLL lock timed out");
+ ret = -ETIMEDOUT;
+ }
+ }
wm8962->fll_fref = Fref;
wm8962->fll_fout = Fout;
wm8962->fll_src = source;
- return 0;
+ return ret;
}
static int wm8962_mute(struct snd_soc_dai *dai, int mute)
int ret;
struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
struct wm8962_pdata *pdata = dev_get_platdata(codec->dev);
- struct i2c_client *i2c = container_of(codec->dev, struct i2c_client,
- dev);
u16 *reg_cache = codec->reg_cache;
int i, trigger, irq_pol;
bool dmicclk, dmicdat;
snd_soc_update_bits(codec, WM8962_HPOUTR_VOLUME,
WM8962_HPOUT_VU, WM8962_HPOUT_VU);
+ /* Stereo control for EQ */
+ snd_soc_update_bits(codec, WM8962_EQ1, WM8962_EQ_SHARED_COEFF, 0);
+
wm8962_add_widgets(codec);
/* Save boards having to disable DMIC when not in use */
wm8962_init_beep(codec);
wm8962_init_gpio(codec);
- if (i2c->irq) {
+ if (wm8962->irq) {
if (pdata && pdata->irq_active_low) {
trigger = IRQF_TRIGGER_LOW;
irq_pol = WM8962_IRQ_POL;
snd_soc_update_bits(codec, WM8962_INTERRUPT_CONTROL,
WM8962_IRQ_POL, irq_pol);
- ret = request_threaded_irq(i2c->irq, NULL, wm8962_irq,
+ ret = request_threaded_irq(wm8962->irq, NULL, wm8962_irq,
trigger | IRQF_ONESHOT,
"wm8962", codec);
if (ret != 0) {
dev_err(codec->dev, "Failed to request IRQ %d: %d\n",
- i2c->irq, ret);
+ wm8962->irq, ret);
+ wm8962->irq = 0;
/* Non-fatal */
} else {
/* Enable some IRQs by default */
static int wm8962_remove(struct snd_soc_codec *codec)
{
struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
- struct i2c_client *i2c = container_of(codec->dev, struct i2c_client,
- dev);
int i;
- if (i2c->irq)
- free_irq(i2c->irq, codec);
+ if (wm8962->irq)
+ free_irq(wm8962->irq, codec);
cancel_delayed_work_sync(&wm8962->mic_work);
i2c_set_clientdata(i2c, wm8962);
+ wm8962->irq = i2c->irq;
+
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8962, &wm8962_dai, 1);
if (ret < 0)
}
#endif
+#define DAVINCI_PCM_FMTBITS (\
+ SNDRV_PCM_FMTBIT_S8 |\
+ SNDRV_PCM_FMTBIT_U8 |\
+ SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S16_BE |\
+ SNDRV_PCM_FMTBIT_U16_LE |\
+ SNDRV_PCM_FMTBIT_U16_BE |\
+ SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FMTBIT_S24_BE |\
+ SNDRV_PCM_FMTBIT_U24_LE |\
+ SNDRV_PCM_FMTBIT_U24_BE |\
+ SNDRV_PCM_FMTBIT_S32_LE |\
+ SNDRV_PCM_FMTBIT_S32_BE |\
+ SNDRV_PCM_FMTBIT_U32_LE |\
+ SNDRV_PCM_FMTBIT_U32_BE)
+
static struct snd_pcm_hardware pcm_hardware_playback = {
.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
- .formats = (SNDRV_PCM_FMTBIT_S16_LE),
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME|
+ SNDRV_PCM_INFO_BATCH),
+ .formats = DAVINCI_PCM_FMTBITS,
.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 2,
- .channels_max = 2,
+ .channels_max = 384,
.buffer_bytes_max = 128 * 1024,
.period_bytes_min = 32,
.period_bytes_max = 8 * 1024,
static struct snd_pcm_hardware pcm_hardware_capture = {
.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_PAUSE),
- .formats = (SNDRV_PCM_FMTBIT_S16_LE),
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_BATCH),
+ .formats = DAVINCI_PCM_FMTBITS,
.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 2,
- .channels_max = 2,
+ .channels_max = 384,
.buffer_bytes_max = 128 * 1024,
.period_bytes_min = 32,
.period_bytes_max = 8 * 1024,
struct edmacc_param ram_params;
};
+static void davinci_pcm_period_elapsed(struct snd_pcm_substream *substream)
+{
+ struct davinci_runtime_data *prtd = substream->runtime->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ prtd->period++;
+ if (unlikely(prtd->period >= runtime->periods))
+ prtd->period = 0;
+}
+
+static void davinci_pcm_period_reset(struct snd_pcm_substream *substream)
+{
+ struct davinci_runtime_data *prtd = substream->runtime->private_data;
+
+ prtd->period = 0;
+}
/*
* Not used with ping/pong
*/
else
edma_set_transfer_params(link, acnt, fifo_level, count,
fifo_level, ABSYNC);
-
- prtd->period++;
- if (unlikely(prtd->period >= runtime->periods))
- prtd->period = 0;
}
static void davinci_pcm_dma_irq(unsigned link, u16 ch_status, void *data)
return;
if (snd_pcm_running(substream)) {
+ spin_lock(&prtd->lock);
if (prtd->ram_channel < 0) {
/* No ping/pong must fix up link dma data*/
- spin_lock(&prtd->lock);
davinci_pcm_enqueue_dma(substream);
- spin_unlock(&prtd->lock);
}
+ davinci_pcm_period_elapsed(substream);
+ spin_unlock(&prtd->lock);
snd_pcm_period_elapsed(substream);
}
}
edma_read_slot(link, &prtd->asp_params);
prtd->asp_params.opt &= ~(TCCMODE | EDMA_TCC(0x3f) | TCINTEN);
- prtd->asp_params.opt |= TCCHEN | EDMA_TCC(prtd->ram_channel & 0x3f);
+ prtd->asp_params.opt |= TCCHEN |
+ EDMA_TCC(prtd->ram_channel & 0x3f);
edma_write_slot(link, &prtd->asp_params);
/* pong */
prtd->asp_params.opt &= ~(TCCMODE | EDMA_TCC(0x3f));
/* interrupt after every pong completion */
prtd->asp_params.opt |= TCINTEN | TCCHEN |
- EDMA_TCC(EDMA_CHAN_SLOT(prtd->ram_channel));
+ EDMA_TCC(prtd->ram_channel & 0x3f);
edma_write_slot(link, &prtd->asp_params);
/* ram */
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
+ edma_start(prtd->asp_channel);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
+ prtd->ram_channel >= 0) {
+ /* copy 1st iram buffer */
+ edma_start(prtd->ram_channel);
+ }
+ break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
edma_resume(prtd->asp_channel);
{
struct davinci_runtime_data *prtd = substream->runtime->private_data;
+ davinci_pcm_period_reset(substream);
if (prtd->ram_channel >= 0) {
int ret = ping_pong_dma_setup(substream);
if (ret < 0)
print_buf_info(prtd->asp_link[0], "asp_link[0]");
print_buf_info(prtd->asp_link[1], "asp_link[1]");
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- /* copy 1st iram buffer */
- edma_start(prtd->ram_channel);
- }
- edma_start(prtd->asp_channel);
+ /*
+ * There is a phase offset of 2 periods between the position
+ * used by dma setup and the position reported in the pointer
+ * function.
+ *
+ * The phase offset, when not using ping-pong buffers, is due to
+ * the two consecutive calls to davinci_pcm_enqueue_dma() below.
+ *
+ * Whereas here, with ping-pong buffers, the phase is due to
+ * there being an entire buffer transfer complete before the
+ * first dma completion event triggers davinci_pcm_dma_irq().
+ */
+ davinci_pcm_period_elapsed(substream);
+ davinci_pcm_period_elapsed(substream);
+
return 0;
}
- prtd->period = 0;
davinci_pcm_enqueue_dma(substream);
+ davinci_pcm_period_elapsed(substream);
/* Copy self-linked parameter RAM entry into master channel */
edma_read_slot(prtd->asp_link[0], &prtd->asp_params);
edma_write_slot(prtd->asp_channel, &prtd->asp_params);
davinci_pcm_enqueue_dma(substream);
- edma_start(prtd->asp_channel);
+ davinci_pcm_period_elapsed(substream);
return 0;
}
struct davinci_runtime_data *prtd = runtime->private_data;
unsigned int offset;
int asp_count;
- dma_addr_t asp_src, asp_dst;
-
+ unsigned int period_size = snd_pcm_lib_period_bytes(substream);
+
+ /*
+ * There is a phase offset of 2 periods between the position used by dma
+ * setup and the position reported in the pointer function. Either +2 in
+ * the dma setup or -2 here in the pointer function (with wrapping,
+ * both) accounts for this offset -- choose the latter since it makes
+ * the first-time setup clearer.
+ */
spin_lock(&prtd->lock);
- if (prtd->ram_channel >= 0) {
- int ram_count;
- int mod_ram;
- dma_addr_t ram_src, ram_dst;
- unsigned int period_size = snd_pcm_lib_period_bytes(substream);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- /* reading ram before asp should be safe
- * as long as the asp transfers less than a ping size
- * of bytes between the 2 reads
- */
- edma_get_position(prtd->ram_channel,
- &ram_src, &ram_dst);
- edma_get_position(prtd->asp_channel,
- &asp_src, &asp_dst);
- asp_count = asp_src - prtd->asp_params.src;
- ram_count = ram_src - prtd->ram_params.src;
- mod_ram = ram_count % period_size;
- mod_ram -= asp_count;
- if (mod_ram < 0)
- mod_ram += period_size;
- else if (mod_ram == 0) {
- if (snd_pcm_running(substream))
- mod_ram += period_size;
- }
- ram_count -= mod_ram;
- if (ram_count < 0)
- ram_count += period_size * runtime->periods;
- } else {
- edma_get_position(prtd->ram_channel,
- &ram_src, &ram_dst);
- ram_count = ram_dst - prtd->ram_params.dst;
- }
- asp_count = ram_count;
- } else {
- edma_get_position(prtd->asp_channel, &asp_src, &asp_dst);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- asp_count = asp_src - runtime->dma_addr;
- else
- asp_count = asp_dst - runtime->dma_addr;
- }
+ asp_count = prtd->period - 2;
spin_unlock(&prtd->lock);
+ if (asp_count < 0)
+ asp_count += runtime->periods;
+ asp_count *= period_size;
+
offset = bytes_to_frames(runtime, asp_count);
if (offset >= runtime->buffer_size)
offset = 0;
static u64 davinci_pcm_dmamask = 0xffffffff;
-static int davinci_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int davinci_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret;
if (!card->dev->dma_mask)
static u64 ep93xx_pcm_dmamask = 0xffffffff;
-static int ep93xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int ep93xx_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
* Regardless of where the memory is actually allocated, since the device can
* technically DMA to any 36-bit address, we do need to set the DMA mask to 36.
*/
-static int fsl_dma_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int fsl_dma_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
static u64 fsl_dma_dmamask = DMA_BIT_MASK(36);
int ret;
iprop = of_get_property(ssi_np, "fsl,fifo-depth", NULL);
if (iprop)
- dma->ssi_fifo_depth = *iprop;
+ dma->ssi_fifo_depth = be32_to_cpup(iprop);
else
/* Older 8610 DTs didn't have the fifo-depth property */
dma->ssi_fifo_depth = 8;
kfree(ssi_private);
return ret;
}
- ssi_private->ssi = ioremap(res.start, 1 + res.end - res.start);
+ ssi_private->ssi = of_iomap(np, 0);
+ if (!ssi_private->ssi) {
+ dev_err(&pdev->dev, "could not map device resources\n");
+ kfree(ssi_private);
+ return -ENOMEM;
+ }
ssi_private->ssi_phys = res.start;
ssi_private->irq = irq_of_parse_and_map(np, 0);
/* Determine the FIFO depth. */
iprop = of_get_property(np, "fsl,fifo-depth", NULL);
if (iprop)
- ssi_private->fifo_depth = *iprop;
+ ssi_private->fifo_depth = be32_to_cpup(iprop);
else
/* Older 8610 DTs didn't have the fifo-depth property */
ssi_private->fifo_depth = 8;
};
static u64 psc_dma_dmamask = 0xffffffff;
-static int psc_dma_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
size_t size = psc_dma_hardware.buffer_bytes_max;
int rc = 0;
if (!iprop)
return -1;
- return *iprop;
+ return be32_to_cpup(iprop);
}
/**
if (!iprop)
return -EINVAL;
- addr = *iprop;
+ addr = be32_to_cpup(iprop);
bus = get_parent_cell_index(np);
if (bus < 0)
return -EINVAL;
}
- *dma_channel_id = *iprop;
+ *dma_channel_id = be32_to_cpup(iprop);
*dma_id = get_parent_cell_index(dma_channel_np);
of_node_put(dma_channel_np);
ret = -EINVAL;
goto error;
}
- machine_data->ssi_id = *iprop;
+ machine_data->ssi_id = be32_to_cpup(iprop);
/* Get the serial format and clock direction. */
sprop = of_get_property(np, "fsl,mode", NULL);
ret = -EINVAL;
goto error;
}
- machine_data->clk_frequency = *iprop;
+ machine_data->clk_frequency = be32_to_cpup(iprop);
} else if (strcasecmp(sprop, "i2s-master") == 0) {
machine_data->dai_format = SND_SOC_DAIFMT_I2S;
machine_data->codec_clk_direction = SND_SOC_CLOCK_IN;
iprop = of_get_property(parent, "cell-index", NULL);
if (iprop)
- ret = *iprop;
+ ret = be32_to_cpup(iprop);
of_node_put(parent);
if (!iprop)
return -EINVAL;
- addr = *iprop;
+ addr = be32_to_cpup(iprop);
bus = get_parent_cell_index(np);
if (bus < 0)
return -EINVAL;
}
- *dma_channel_id = *iprop;
+ *dma_channel_id = be32_to_cpup(iprop);
*dma_id = get_parent_cell_index(dma_channel_np);
of_node_put(dma_channel_np);
ret = -EINVAL;
goto error;
}
- mdata->ssi_id = *iprop;
+ mdata->ssi_id = be32_to_cpup(iprop);
/* Get the serial format and clock direction. */
sprop = of_get_property(np, "fsl,mode", NULL);
ret = -EINVAL;
goto error;
}
- mdata->clk_frequency = *iprop;
+ mdata->clk_frequency = be32_to_cpup(iprop);
} else if (strcasecmp(sprop, "i2s-master") == 0) {
mdata->dai_format = SND_SOC_DAIFMT_I2S;
mdata->codec_clk_direction = SND_SOC_CLOCK_IN;
static int ssi_irq = 0;
-static int imx_pcm_fiq_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int imx_pcm_fiq_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret;
- ret = imx_pcm_new(card, dai, pcm);
+ ret = imx_pcm_new(rtd);
if (ret)
return ret;
static u64 imx_pcm_dmamask = DMA_BIT_MASK(32);
-int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+int imx_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
-
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
struct imx_ssi *ssi);
int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma);
-int imx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm);
+int imx_pcm_new(struct snd_soc_pcm_runtime *rtd);
void imx_pcm_free(struct snd_pcm *pcm);
/*
static u64 jz4740_pcm_dmamask = DMA_BIT_MASK(32);
-int jz4740_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+int jz4740_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
return 0;
}
-static int kirkwood_dma_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int kirkwood_dma_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret;
if (!card->dev->dma_mask)
snd_pcm_lib_preallocate_free_for_all(pcm);
}
-int sst_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+int sst_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int retval = 0;
pr_debug("sst_pcm_new called\n");
nuc900_audio->irq_num = platform_get_irq(pdev, 0);
if (!nuc900_audio->irq_num) {
ret = -EBUSY;
- goto out2;
+ goto out3;
}
nuc900_ac97_data = nuc900_audio;
}
static u64 nuc900_pcm_dmamask = DMA_BIT_MASK(32);
-static int nuc900_dma_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int nuc900_dma_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
+
if (!card->dev->dma_mask)
card->dev->dma_mask = &nuc900_pcm_dmamask;
if (!card->dev->coherent_dma_mask)
/* Board specific codec bias level control */
static int ams_delta_set_bias_level(struct snd_soc_card *card,
- enum snd_soc_bias_level level)
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
{
struct snd_soc_codec *codec = card->rtd->codec;
}
}
-static int omap_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int omap_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
static u64 pxa2xx_pcm_dmamask = DMA_BIT_MASK(32);
-static int pxa2xx_soc_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
static u64 s6000_pcm_dmamask = DMA_BIT_MASK(32);
-static int s6000_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int s6000_pcm_new(struct snd_soc_pcm_runtime *runtime)
{
- struct snd_soc_pcm_runtime *runtime = pcm->private_data;
+ struct snd_card *card = runtime->card->snd_card;
+ struct snd_soc_dai *dai = runtime->cpu_dai;
+ struct snd_pcm *pcm = runtime->pcm;
struct s6000_pcm_dma_params *params;
int res;
config SND_SOC_SAMSUNG_SMDK_SPDIF
tristate "SoC S/PDIF Audio support for SMDK"
- depends on SND_SOC_SAMSUNG && (MACH_SMDKC100 || MACH_SMDKC110 || MACH_SMDKV210)
+ depends on SND_SOC_SAMSUNG && (MACH_SMDKC100 || MACH_SMDKC110 || MACH_SMDKV210 || MACH_SMDKV310)
select SND_SAMSUNG_SPDIF
help
Say Y if you want to add support for SoC S/PDIF audio on the SMDK.
select SND_SAMSUNG_I2S
select SND_SOC_WM8915
select SND_SOC_WM9081
+
+config SND_SOC_SPEYSIDE_WM8962
+ tristate "Audio support for Wolfson Speyside with WM8962"
+ depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410
+ select SND_SAMSUNG_I2S
+ select SND_SOC_WM8962
snd-soc-smdk-spdif-objs := smdk_spdif.o
snd-soc-smdk-wm8580pcm-objs := smdk_wm8580pcm.o
snd-soc-speyside-objs := speyside.o
+snd-soc-speyside-wm8962-objs := speyside_wm8962.o
obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o
obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
obj-$(CONFIG_SND_SOC_GONI_AQUILA_WM8994) += snd-soc-goni-wm8994.o
obj-$(CONFIG_SND_SOC_SMDK_WM8580_PCM) += snd-soc-smdk-wm8580pcm.o
obj-$(CONFIG_SND_SOC_SPEYSIDE) += snd-soc-speyside.o
+obj-$(CONFIG_SND_SOC_SPEYSIDE_WM8962) += snd-soc-speyside-wm8962.o
static u64 dma_mask = DMA_BIT_MASK(32);
-static int dma_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int dma_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
pr_debug("Entered %s\n", __func__);
#define WM8915_HPSEL_GPIO 214
static int speyside_set_bias_level(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
int ret;
+ if (dapm->dev != codec_dai->dev)
+ return 0;
+
switch (level) {
case SND_SOC_BIAS_STANDBY:
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_MCLK1,
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_MCLK2,
32768, SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;
- ret = snd_soc_dai_set_pll(codec_dai, WM8915_FLL_MCLK1,
+ ret = snd_soc_dai_set_pll(codec_dai, WM8915_FLL_MCLK2,
0, 0, 0);
if (ret < 0) {
pr_err("Failed to stop FLL\n");
return ret;
}
+ break;
default:
break;
return 0;
}
+static int speyside_set_bias_level_post(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ int ret;
+
+ if (dapm->dev != codec_dai->dev)
+ return 0;
+
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0,
+ WM8915_FLL_MCLK2,
+ 32768, 48000 * 256);
+ if (ret < 0) {
+ pr_err("Failed to start FLL\n");
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(codec_dai,
+ WM8915_SYSCLK_FLL,
+ 48000 * 256,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ card->dapm.bias_level = level;
+
+ return 0;
+}
+
static int speyside_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
if (ret < 0)
return ret;
- ret = snd_soc_dai_set_pll(codec_dai, 0, WM8915_FLL_MCLK1,
- 32768, 256 * 48000);
- if (ret < 0)
- return ret;
-
- ret = snd_soc_dai_set_sysclk(codec_dai, WM8915_SYSCLK_FLL,
- 256 * 48000, SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
return 0;
}
struct snd_soc_codec *codec = rtd->codec;
int ret;
- ret = snd_soc_dai_set_sysclk(dai, WM8915_SYSCLK_MCLK1, 32768, 0);
+ ret = snd_soc_dai_set_sysclk(dai, WM8915_SYSCLK_MCLK2, 32768, 0);
if (ret < 0)
return ret;
.num_configs = ARRAY_SIZE(speyside_codec_conf),
.set_bias_level = speyside_set_bias_level,
+ .set_bias_level_post = speyside_set_bias_level_post,
.controls = controls,
.num_controls = ARRAY_SIZE(controls),
--- /dev/null
+/*
+ * Speyside with WM8962 audio support
+ *
+ * Copyright 2011 Wolfson Microelectronics
+ *
+ * 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.
+ */
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/jack.h>
+#include <linux/gpio.h>
+
+#include "../codecs/wm8962.h"
+
+static int speyside_wm8962_set_bias_level(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ int ret;
+
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
+ ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
+ WM8962_FLL_MCLK, 32768,
+ 44100 * 256);
+ if (ret < 0)
+ pr_err("Failed to start FLL\n");
+
+ ret = snd_soc_dai_set_sysclk(codec_dai,
+ WM8962_SYSCLK_FLL,
+ 44100 * 256,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int speyside_wm8962_set_bias_level_post(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ int ret;
+
+ switch (level) {
+ case SND_SOC_BIAS_STANDBY:
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
+ 32768, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,
+ 0, 0, 0);
+ if (ret < 0) {
+ pr_err("Failed to stop FLL\n");
+ return ret;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ dapm->bias_level = level;
+
+ return 0;
+}
+
+static int speyside_wm8962_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ 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;
+ int ret;
+
+ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct snd_soc_ops speyside_wm8962_ops = {
+ .hw_params = speyside_wm8962_hw_params,
+};
+
+static struct snd_soc_dai_link speyside_wm8962_dai[] = {
+ {
+ .name = "CPU",
+ .stream_name = "CPU",
+ .cpu_dai_name = "samsung-i2s.0",
+ .codec_dai_name = "wm8962",
+ .platform_name = "samsung-audio",
+ .codec_name = "wm8962.1-001a",
+ .ops = &speyside_wm8962_ops,
+ },
+};
+
+static const struct snd_kcontrol_new controls[] = {
+ SOC_DAPM_PIN_SWITCH("Main Speaker"),
+};
+
+static struct snd_soc_dapm_widget widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+
+ SND_SOC_DAPM_MIC("DMIC", NULL),
+
+ SND_SOC_DAPM_SPK("Main Speaker", NULL),
+};
+
+static struct snd_soc_dapm_route audio_paths[] = {
+ { "Headphone", NULL, "HPOUTL" },
+ { "Headphone", NULL, "HPOUTR" },
+
+ { "Main Speaker", NULL, "SPKOUTL" },
+ { "Main Speaker", NULL, "SPKOUTR" },
+
+ { "MICBIAS", NULL, "Headset Mic" },
+ { "IN4L", NULL, "MICBIAS" },
+ { "IN4R", NULL, "MICBIAS" },
+
+ { "MICBIAS", NULL, "DMIC" },
+ { "DMICDAT", NULL, "MICBIAS" },
+};
+
+static struct snd_soc_jack speyside_wm8962_headset;
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin speyside_wm8962_headset_pins[] = {
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static int speyside_wm8962_late_probe(struct snd_soc_card *card)
+{
+ struct snd_soc_codec *codec = card->rtd[0].codec;
+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,
+ 32768, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_jack_new(codec, "Headset",
+ SND_JACK_HEADSET | SND_JACK_BTN_0,
+ &speyside_wm8962_headset);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_jack_add_pins(&speyside_wm8962_headset,
+ ARRAY_SIZE(speyside_wm8962_headset_pins),
+ speyside_wm8962_headset_pins);
+ if (ret)
+ return ret;
+
+ wm8962_mic_detect(codec, &speyside_wm8962_headset);
+
+ return 0;
+}
+
+static struct snd_soc_card speyside_wm8962 = {
+ .name = "Speyside WM8962",
+ .dai_link = speyside_wm8962_dai,
+ .num_links = ARRAY_SIZE(speyside_wm8962_dai),
+
+ .set_bias_level = speyside_wm8962_set_bias_level,
+ .set_bias_level_post = speyside_wm8962_set_bias_level_post,
+
+ .controls = controls,
+ .num_controls = ARRAY_SIZE(controls),
+ .dapm_widgets = widgets,
+ .num_dapm_widgets = ARRAY_SIZE(widgets),
+ .dapm_routes = audio_paths,
+ .num_dapm_routes = ARRAY_SIZE(audio_paths),
+
+ .late_probe = speyside_wm8962_late_probe,
+};
+
+static __devinit int speyside_wm8962_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &speyside_wm8962;
+ int ret;
+
+ card->dev = &pdev->dev;
+
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __devexit speyside_wm8962_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+
+ return 0;
+}
+
+static struct platform_driver speyside_wm8962_driver = {
+ .driver = {
+ .name = "speyside-wm8962",
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = speyside_wm8962_probe,
+ .remove = __devexit_p(speyside_wm8962_remove),
+};
+
+static int __init speyside_wm8962_audio_init(void)
+{
+ return platform_driver_register(&speyside_wm8962_driver);
+}
+module_init(speyside_wm8962_audio_init);
+
+static void __exit speyside_wm8962_audio_exit(void)
+{
+ platform_driver_unregister(&speyside_wm8962_driver);
+}
+module_exit(speyside_wm8962_audio_exit);
+
+MODULE_DESCRIPTION("Speyside WM8962 audio support");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:speyside-wm8962");
snd_pcm_lib_preallocate_free_for_all(pcm);
}
-static int camelot_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int camelot_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_pcm *pcm = rtd->pcm;
+
/* dont use SNDRV_DMA_TYPE_DEV, since it will oops the SH kernel
* in MMAP mode (i.e. aplay -M)
*/
/*
* FSI driver use below type name for variable
*
- * xxx_len : data length
- * xxx_width : data width
- * xxx_offset : data offset
* xxx_num : number of data
+ * xxx_pos : position of data
+ * xxx_capa : capacity of data
+ */
+
+/*
+ * period/frame/sample image
+ *
+ * ex) PCM (2ch)
+ *
+ * period pos period pos
+ * [n] [n + 1]
+ * |<-------------------- period--------------------->|
+ * ==|============================================ ... =|==
+ * | |
+ * ||<----- frame ----->|<------ frame ----->| ... |
+ * |+--------------------+--------------------+- ... |
+ * ||[ sample ][ sample ]|[ sample ][ sample ]| ... |
+ * |+--------------------+--------------------+- ... |
+ * ==|============================================ ... =|==
+ */
+
+/*
+ * FSI FIFO image
+ *
+ * | |
+ * | |
+ * | [ sample ] |
+ * | [ sample ] |
+ * | [ sample ] |
+ * | [ sample ] |
+ * --> go to codecs
*/
/*
struct fsi_stream {
struct snd_pcm_substream *substream;
- int fifo_max_num;
-
- int buff_offset;
- int buff_len;
- int period_len;
- int period_num;
+ int fifo_sample_capa; /* sample capacity of FSI FIFO */
+ int buff_sample_capa; /* sample capacity of ALSA buffer */
+ int buff_sample_pos; /* sample position of ALSA buffer */
+ int period_samples; /* sample number / 1 period */
+ int period_pos; /* current period position */
int uerr_num;
int oerr_num;
struct fsi_stream playback;
struct fsi_stream capture;
+ u32 do_fmt;
+ u32 di_fmt;
+
int chan_num:16;
int clk_master:1;
+ int spdif:1;
long rate;
-
- /* for suspend/resume */
- u32 saved_do_fmt;
- u32 saved_di_fmt;
- u32 saved_ckg1;
- u32 saved_ckg2;
- u32 saved_out_sel;
};
struct fsi_core {
struct fsi_core *core;
struct sh_fsi_platform_info *info;
spinlock_t lock;
-
- /* for suspend/resume */
- u32 saved_a_mclk;
- u32 saved_b_mclk;
- u32 saved_iemsk;
- u32 saved_imsk;
- u32 saved_clk_rst;
- u32 saved_soft_rst;
};
/*
return fsi->master->base == fsi->base;
}
+static int fsi_is_spdif(struct fsi_priv *fsi)
+{
+ return fsi->spdif;
+}
+
static struct snd_soc_dai *fsi_get_dai(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
return shift;
}
+static int fsi_frame2sample(struct fsi_priv *fsi, int frames)
+{
+ return frames * fsi->chan_num;
+}
+
+static int fsi_sample2frame(struct fsi_priv *fsi, int samples)
+{
+ return samples / fsi->chan_num;
+}
+
+static int fsi_stream_is_working(struct fsi_priv *fsi,
+ int is_play)
+{
+ struct fsi_stream *io = fsi_get_stream(fsi, is_play);
+ struct fsi_master *master = fsi_get_master(fsi);
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&master->lock, flags);
+ ret = !!io->substream;
+ spin_unlock_irqrestore(&master->lock, flags);
+
+ return ret;
+}
+
static void fsi_stream_push(struct fsi_priv *fsi,
int is_play,
- struct snd_pcm_substream *substream,
- u32 buffer_len,
- u32 period_len)
+ struct snd_pcm_substream *substream)
{
struct fsi_stream *io = fsi_get_stream(fsi, is_play);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct fsi_master *master = fsi_get_master(fsi);
+ unsigned long flags;
+ spin_lock_irqsave(&master->lock, flags);
io->substream = substream;
- io->buff_len = buffer_len;
- io->buff_offset = 0;
- io->period_len = period_len;
- io->period_num = 0;
+ io->buff_sample_capa = fsi_frame2sample(fsi, runtime->buffer_size);
+ io->buff_sample_pos = 0;
+ io->period_samples = fsi_frame2sample(fsi, runtime->period_size);
+ io->period_pos = 0;
io->oerr_num = -1; /* ignore 1st err */
io->uerr_num = -1; /* ignore 1st err */
+ spin_unlock_irqrestore(&master->lock, flags);
}
static void fsi_stream_pop(struct fsi_priv *fsi, int is_play)
{
struct fsi_stream *io = fsi_get_stream(fsi, is_play);
struct snd_soc_dai *dai = fsi_get_dai(io->substream);
+ struct fsi_master *master = fsi_get_master(fsi);
+ unsigned long flags;
+ spin_lock_irqsave(&master->lock, flags);
if (io->oerr_num > 0)
dev_err(dai->dev, "over_run = %d\n", io->oerr_num);
dev_err(dai->dev, "under_run = %d\n", io->uerr_num);
io->substream = NULL;
- io->buff_len = 0;
- io->buff_offset = 0;
- io->period_len = 0;
- io->period_num = 0;
+ io->buff_sample_capa = 0;
+ io->buff_sample_pos = 0;
+ io->period_samples = 0;
+ io->period_pos = 0;
io->oerr_num = 0;
io->uerr_num = 0;
+ spin_unlock_irqrestore(&master->lock, flags);
}
-static int fsi_get_fifo_data_num(struct fsi_priv *fsi, int is_play)
+static int fsi_get_current_fifo_samples(struct fsi_priv *fsi, int is_play)
{
u32 status;
- int data_num;
+ int frames;
status = is_play ?
fsi_reg_read(fsi, DOFF_ST) :
fsi_reg_read(fsi, DIFF_ST);
- data_num = 0x1ff & (status >> 8);
- data_num *= fsi->chan_num;
-
- return data_num;
-}
-
-static int fsi_len2num(int len, int width)
-{
- return len / width;
-}
-
-#define fsi_num2offset(a, b) fsi_num2len(a, b)
-static int fsi_num2len(int num, int width)
-{
- return num * width;
-}
-
-static int fsi_get_frame_width(struct fsi_priv *fsi, int is_play)
-{
- struct fsi_stream *io = fsi_get_stream(fsi, is_play);
- struct snd_pcm_substream *substream = io->substream;
- struct snd_pcm_runtime *runtime = substream->runtime;
+ frames = 0x1ff & (status >> 8);
- return frames_to_bytes(runtime, 1) / fsi->chan_num;
+ return fsi_frame2sample(fsi, frames);
}
static void fsi_count_fifo_err(struct fsi_priv *fsi)
{
int is_play = fsi_stream_is_play(stream);
struct fsi_stream *io = fsi_get_stream(fsi, is_play);
+ struct snd_pcm_runtime *runtime = io->substream->runtime;
- return io->substream->runtime->dma_area + io->buff_offset;
+ return runtime->dma_area +
+ samples_to_bytes(runtime, io->buff_sample_pos);
}
static void fsi_dma_soft_push16(struct fsi_priv *fsi, int num)
/*
* clock function
*/
-#define fsi_module_init(m, d) __fsi_module_clk_ctrl(m, d, 1)
-#define fsi_module_kill(m, d) __fsi_module_clk_ctrl(m, d, 0)
-static void __fsi_module_clk_ctrl(struct fsi_master *master,
- struct device *dev,
- int enable)
+static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
+ long rate, int enable)
{
- pm_runtime_get_sync(dev);
+ struct fsi_master *master = fsi_get_master(fsi);
+ set_rate_func set_rate = fsi_get_info_set_rate(master);
+ int fsi_ver = master->core->ver;
+ int ret;
- if (enable) {
- /* enable only SR */
- fsi_master_mask_set(master, SOFT_RST, FSISR, FSISR);
- fsi_master_mask_set(master, SOFT_RST, PASR | PBSR, 0);
- } else {
- /* clear all registers */
- fsi_master_mask_set(master, SOFT_RST, FSISR, 0);
+ ret = set_rate(dev, fsi_is_port_a(fsi), rate, enable);
+ if (ret < 0) /* error */
+ return ret;
+
+ if (!enable)
+ return 0;
+
+ if (ret > 0) {
+ u32 data = 0;
+
+ switch (ret & SH_FSI_ACKMD_MASK) {
+ default:
+ /* FALL THROUGH */
+ case SH_FSI_ACKMD_512:
+ data |= (0x0 << 12);
+ break;
+ case SH_FSI_ACKMD_256:
+ data |= (0x1 << 12);
+ break;
+ case SH_FSI_ACKMD_128:
+ data |= (0x2 << 12);
+ break;
+ case SH_FSI_ACKMD_64:
+ data |= (0x3 << 12);
+ break;
+ case SH_FSI_ACKMD_32:
+ if (fsi_ver < 2)
+ dev_err(dev, "unsupported ACKMD\n");
+ else
+ data |= (0x4 << 12);
+ break;
+ }
+
+ switch (ret & SH_FSI_BPFMD_MASK) {
+ default:
+ /* FALL THROUGH */
+ case SH_FSI_BPFMD_32:
+ data |= (0x0 << 8);
+ break;
+ case SH_FSI_BPFMD_64:
+ data |= (0x1 << 8);
+ break;
+ case SH_FSI_BPFMD_128:
+ data |= (0x2 << 8);
+ break;
+ case SH_FSI_BPFMD_256:
+ data |= (0x3 << 8);
+ break;
+ case SH_FSI_BPFMD_512:
+ data |= (0x4 << 8);
+ break;
+ case SH_FSI_BPFMD_16:
+ if (fsi_ver < 2)
+ dev_err(dev, "unsupported ACKMD\n");
+ else
+ data |= (0x7 << 8);
+ break;
+ }
+
+ fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
+ udelay(10);
+ ret = 0;
}
- pm_runtime_put_sync(dev);
+ return ret;
}
-#define fsi_port_start(f) __fsi_port_clk_ctrl(f, 1)
-#define fsi_port_stop(f) __fsi_port_clk_ctrl(f, 0)
-static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int enable)
+#define fsi_port_start(f, i) __fsi_port_clk_ctrl(f, i, 1)
+#define fsi_port_stop(f, i) __fsi_port_clk_ctrl(f, i, 0)
+static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int is_play, int enable)
{
struct fsi_master *master = fsi_get_master(fsi);
- u32 soft = fsi_is_port_a(fsi) ? PASR : PBSR;
u32 clk = fsi_is_port_a(fsi) ? CRA : CRB;
- int is_master = fsi_is_clk_master(fsi);
- fsi_master_mask_set(master, SOFT_RST, soft, (enable) ? soft : 0);
- if (is_master)
+ if (enable)
+ fsi_irq_enable(fsi, is_play);
+ else
+ fsi_irq_disable(fsi, is_play);
+
+ if (fsi_is_clk_master(fsi))
fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
}
*/
static void fsi_fifo_init(struct fsi_priv *fsi,
int is_play,
- struct snd_soc_dai *dai)
+ struct device *dev)
{
struct fsi_master *master = fsi_get_master(fsi);
struct fsi_stream *io = fsi_get_stream(fsi, is_play);
u32 shift, i;
+ int frame_capa;
/* get on-chip RAM capacity */
shift = fsi_master_read(master, FIFO_SZ);
shift >>= fsi_get_port_shift(fsi, is_play);
shift &= FIFO_SZ_MASK;
- io->fifo_max_num = 256 << shift;
- dev_dbg(dai->dev, "fifo = %d words\n", io->fifo_max_num);
+ frame_capa = 256 << shift;
+ dev_dbg(dev, "fifo = %d words\n", frame_capa);
/*
* The maximum number of sample data varies depending
* 8 channels: 32 ( 32 x 8 = 256)
*/
for (i = 1; i < fsi->chan_num; i <<= 1)
- io->fifo_max_num >>= 1;
- dev_dbg(dai->dev, "%d channel %d store\n",
- fsi->chan_num, io->fifo_max_num);
+ frame_capa >>= 1;
+ dev_dbg(dev, "%d channel %d store\n",
+ fsi->chan_num, frame_capa);
+
+ io->fifo_sample_capa = fsi_frame2sample(fsi, frame_capa);
/*
* set interrupt generation factor
struct snd_pcm_substream *substream = NULL;
int is_play = fsi_stream_is_play(stream);
struct fsi_stream *io = fsi_get_stream(fsi, is_play);
- int data_residue_num;
- int data_num;
- int data_num_max;
- int ch_width;
+ int sample_residues;
+ int sample_width;
+ int samples;
+ int samples_max;
int over_period;
void (*fn)(struct fsi_priv *fsi, int size);
/* FSI FIFO has limit.
* So, this driver can not send periods data at a time
*/
- if (io->buff_offset >=
- fsi_num2offset(io->period_num + 1, io->period_len)) {
+ if (io->buff_sample_pos >=
+ io->period_samples * (io->period_pos + 1)) {
over_period = 1;
- io->period_num = (io->period_num + 1) % runtime->periods;
+ io->period_pos = (io->period_pos + 1) % runtime->periods;
- if (0 == io->period_num)
- io->buff_offset = 0;
+ if (0 == io->period_pos)
+ io->buff_sample_pos = 0;
}
- /* get 1 channel data width */
- ch_width = fsi_get_frame_width(fsi, is_play);
+ /* get 1 sample data width */
+ sample_width = samples_to_bytes(runtime, 1);
- /* get residue data number of alsa */
- data_residue_num = fsi_len2num(io->buff_len - io->buff_offset,
- ch_width);
+ /* get number of residue samples */
+ sample_residues = io->buff_sample_capa - io->buff_sample_pos;
if (is_play) {
/*
* for play-back
*
- * data_num_max : number of FSI fifo free space
- * data_num : number of ALSA residue data
+ * samples_max : number of FSI fifo free samples space
+ * samples : number of ALSA residue samples
*/
- data_num_max = io->fifo_max_num * fsi->chan_num;
- data_num_max -= fsi_get_fifo_data_num(fsi, is_play);
+ samples_max = io->fifo_sample_capa;
+ samples_max -= fsi_get_current_fifo_samples(fsi, is_play);
- data_num = data_residue_num;
+ samples = sample_residues;
- switch (ch_width) {
+ switch (sample_width) {
case 2:
fn = fsi_dma_soft_push16;
break;
/*
* for capture
*
- * data_num_max : number of ALSA free space
- * data_num : number of data in FSI fifo
+ * samples_max : number of ALSA free samples space
+ * samples : number of samples in FSI fifo
*/
- data_num_max = data_residue_num;
- data_num = fsi_get_fifo_data_num(fsi, is_play);
+ samples_max = sample_residues;
+ samples = fsi_get_current_fifo_samples(fsi, is_play);
- switch (ch_width) {
+ switch (sample_width) {
case 2:
fn = fsi_dma_soft_pop16;
break;
}
}
- data_num = min(data_num, data_num_max);
+ samples = min(samples, samples_max);
- fn(fsi, data_num);
+ fn(fsi, samples);
- /* update buff_offset */
- io->buff_offset += fsi_num2offset(data_num, ch_width);
+ /* update buff_sample_pos */
+ io->buff_sample_pos += samples;
if (over_period)
snd_pcm_period_elapsed(substream);
* dai ops
*/
-static int fsi_dai_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
+static int fsi_hw_startup(struct fsi_priv *fsi,
+ int is_play,
+ struct device *dev)
{
- struct fsi_priv *fsi = fsi_get_priv(substream);
u32 flags = fsi_get_info_flags(fsi);
- u32 data;
- int is_play = fsi_is_play(substream);
+ u32 data = 0;
- pm_runtime_get_sync(dai->dev);
+ pm_runtime_get_sync(dev);
+ /* clock setting */
+ if (fsi_is_clk_master(fsi))
+ data = DIMD | DOMD;
+
+ fsi_reg_mask_set(fsi, CKG1, (DIMD | DOMD), data);
/* clock inversion (CKG2) */
data = 0;
fsi_reg_write(fsi, CKG2, data);
+ /* set format */
+ fsi_reg_write(fsi, DO_FMT, fsi->do_fmt);
+ fsi_reg_write(fsi, DI_FMT, fsi->di_fmt);
+
+ /* spdif ? */
+ if (fsi_is_spdif(fsi)) {
+ fsi_spdif_clk_ctrl(fsi, 1);
+ fsi_reg_mask_set(fsi, OUT_SEL, DMMD, DMMD);
+ }
+
/* irq clear */
fsi_irq_disable(fsi, is_play);
fsi_irq_clear_status(fsi);
/* fifo init */
- fsi_fifo_init(fsi, is_play, dai);
+ fsi_fifo_init(fsi, is_play, dev);
return 0;
}
-static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
+static void fsi_hw_shutdown(struct fsi_priv *fsi,
+ int is_play,
+ struct device *dev)
+{
+ if (fsi_is_clk_master(fsi))
+ fsi_set_master_clk(dev, fsi, fsi->rate, 0);
+
+ pm_runtime_put_sync(dev);
+}
+
+static int fsi_dai_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
int is_play = fsi_is_play(substream);
- struct fsi_master *master = fsi_get_master(fsi);
- set_rate_func set_rate = fsi_get_info_set_rate(master);
- fsi_irq_disable(fsi, is_play);
+ return fsi_hw_startup(fsi, is_play, dai->dev);
+}
- if (fsi_is_clk_master(fsi))
- set_rate(dai->dev, fsi_is_port_a(fsi), fsi->rate, 0);
+static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct fsi_priv *fsi = fsi_get_priv(substream);
+ int is_play = fsi_is_play(substream);
+ fsi_hw_shutdown(fsi, is_play, dai->dev);
fsi->rate = 0;
-
- pm_runtime_put_sync(dai->dev);
}
static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
int is_play = fsi_is_play(substream);
int ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- fsi_stream_push(fsi, is_play, substream,
- frames_to_bytes(runtime, runtime->buffer_size),
- frames_to_bytes(runtime, runtime->period_size));
+ fsi_stream_push(fsi, is_play, substream);
ret = is_play ? fsi_data_push(fsi) : fsi_data_pop(fsi);
- fsi_irq_enable(fsi, is_play);
- fsi_port_start(fsi);
+ fsi_port_start(fsi, is_play);
break;
case SNDRV_PCM_TRIGGER_STOP:
- fsi_port_stop(fsi);
- fsi_irq_disable(fsi, is_play);
+ fsi_port_stop(fsi, is_play);
fsi_stream_pop(fsi, is_play);
break;
}
return -EINVAL;
}
- fsi_reg_write(fsi, DO_FMT, data);
- fsi_reg_write(fsi, DI_FMT, data);
+ fsi->do_fmt = data;
+ fsi->di_fmt = data;
return 0;
}
data = CR_BWS_16 | CR_DTMD_SPDIF_PCM | CR_PCM;
fsi->chan_num = 2;
- fsi_spdif_clk_ctrl(fsi, 1);
- fsi_reg_mask_set(fsi, OUT_SEL, DMMD, DMMD);
+ fsi->spdif = 1;
- fsi_reg_write(fsi, DO_FMT, data);
- fsi_reg_write(fsi, DI_FMT, data);
+ fsi->do_fmt = data;
+ fsi->di_fmt = data;
return 0;
}
struct fsi_master *master = fsi_get_master(fsi);
set_rate_func set_rate = fsi_get_info_set_rate(master);
u32 flags = fsi_get_info_flags(fsi);
- u32 data = 0;
int ret;
- pm_runtime_get_sync(dai->dev);
-
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
- data = DIMD | DOMD;
fsi->clk_master = 1;
break;
case SND_SOC_DAIFMT_CBS_CFS:
break;
default:
- ret = -EINVAL;
- goto set_fmt_exit;
+ return -EINVAL;
}
if (fsi_is_clk_master(fsi) && !set_rate) {
dev_err(dai->dev, "platform doesn't have set_rate\n");
- ret = -EINVAL;
- goto set_fmt_exit;
+ return -EINVAL;
}
- fsi_reg_mask_set(fsi, CKG1, (DIMD | DOMD), data);
-
/* set format */
switch (flags & SH_FSI_FMT_MASK) {
case SH_FSI_FMT_DAI:
ret = -EINVAL;
}
-set_fmt_exit:
- pm_runtime_put_sync(dai->dev);
-
return ret;
}
struct snd_soc_dai *dai)
{
struct fsi_priv *fsi = fsi_get_priv(substream);
- struct fsi_master *master = fsi_get_master(fsi);
- set_rate_func set_rate = fsi_get_info_set_rate(master);
- int fsi_ver = master->core->ver;
long rate = params_rate(params);
int ret;
if (!fsi_is_clk_master(fsi))
return 0;
- ret = set_rate(dai->dev, fsi_is_port_a(fsi), rate, 1);
- if (ret < 0) /* error */
+ ret = fsi_set_master_clk(dai->dev, fsi, rate, 1);
+ if (ret < 0)
return ret;
fsi->rate = rate;
- if (ret > 0) {
- u32 data = 0;
-
- switch (ret & SH_FSI_ACKMD_MASK) {
- default:
- /* FALL THROUGH */
- case SH_FSI_ACKMD_512:
- data |= (0x0 << 12);
- break;
- case SH_FSI_ACKMD_256:
- data |= (0x1 << 12);
- break;
- case SH_FSI_ACKMD_128:
- data |= (0x2 << 12);
- break;
- case SH_FSI_ACKMD_64:
- data |= (0x3 << 12);
- break;
- case SH_FSI_ACKMD_32:
- if (fsi_ver < 2)
- dev_err(dai->dev, "unsupported ACKMD\n");
- else
- data |= (0x4 << 12);
- break;
- }
-
- switch (ret & SH_FSI_BPFMD_MASK) {
- default:
- /* FALL THROUGH */
- case SH_FSI_BPFMD_32:
- data |= (0x0 << 8);
- break;
- case SH_FSI_BPFMD_64:
- data |= (0x1 << 8);
- break;
- case SH_FSI_BPFMD_128:
- data |= (0x2 << 8);
- break;
- case SH_FSI_BPFMD_256:
- data |= (0x3 << 8);
- break;
- case SH_FSI_BPFMD_512:
- data |= (0x4 << 8);
- break;
- case SH_FSI_BPFMD_16:
- if (fsi_ver < 2)
- dev_err(dai->dev, "unsupported ACKMD\n");
- else
- data |= (0x7 << 8);
- break;
- }
-
- fsi_reg_mask_set(fsi, CKG1, (ACKMD_MASK | BPFMD_MASK) , data);
- udelay(10);
- ret = 0;
- }
return ret;
-
}
static struct snd_soc_dai_ops fsi_dai_ops = {
static snd_pcm_uframes_t fsi_pointer(struct snd_pcm_substream *substream)
{
- struct snd_pcm_runtime *runtime = substream->runtime;
struct fsi_priv *fsi = fsi_get_priv(substream);
struct fsi_stream *io = fsi_get_stream(fsi, fsi_is_play(substream));
- long location;
+ int samples_pos = io->buff_sample_pos - 1;
- location = (io->buff_offset - 1);
- if (location < 0)
- location = 0;
+ if (samples_pos < 0)
+ samples_pos = 0;
- return bytes_to_frames(runtime, location);
+ return fsi_sample2frame(fsi, samples_pos);
}
static struct snd_pcm_ops fsi_pcm_ops = {
snd_pcm_lib_preallocate_free_for_all(pcm);
}
-static int fsi_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int fsi_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_pcm *pcm = rtd->pcm;
+
/*
* dont use SNDRV_DMA_TYPE_DEV, since it will oops the SH kernel
* in MMAP mode (i.e. aplay -M)
pm_runtime_enable(&pdev->dev);
dev_set_drvdata(&pdev->dev, master);
- fsi_module_init(master, &pdev->dev);
-
ret = request_irq(irq, &fsi_interrupt, IRQF_DISABLED,
id_entry->name, master);
if (ret) {
master = dev_get_drvdata(&pdev->dev);
- fsi_module_kill(master, &pdev->dev);
-
free_irq(master->irq, master);
pm_runtime_disable(&pdev->dev);
}
static void __fsi_suspend(struct fsi_priv *fsi,
- struct device *dev,
- set_rate_func set_rate)
+ int is_play,
+ struct device *dev)
{
- fsi->saved_do_fmt = fsi_reg_read(fsi, DO_FMT);
- fsi->saved_di_fmt = fsi_reg_read(fsi, DI_FMT);
- fsi->saved_ckg1 = fsi_reg_read(fsi, CKG1);
- fsi->saved_ckg2 = fsi_reg_read(fsi, CKG2);
- fsi->saved_out_sel = fsi_reg_read(fsi, OUT_SEL);
+ if (!fsi_stream_is_working(fsi, is_play))
+ return;
- if (fsi_is_clk_master(fsi))
- set_rate(dev, fsi_is_port_a(fsi), fsi->rate, 0);
+ fsi_port_stop(fsi, is_play);
+ fsi_hw_shutdown(fsi, is_play, dev);
}
static void __fsi_resume(struct fsi_priv *fsi,
- struct device *dev,
- set_rate_func set_rate)
+ int is_play,
+ struct device *dev)
{
- fsi_reg_write(fsi, DO_FMT, fsi->saved_do_fmt);
- fsi_reg_write(fsi, DI_FMT, fsi->saved_di_fmt);
- fsi_reg_write(fsi, CKG1, fsi->saved_ckg1);
- fsi_reg_write(fsi, CKG2, fsi->saved_ckg2);
- fsi_reg_write(fsi, OUT_SEL, fsi->saved_out_sel);
+ if (!fsi_stream_is_working(fsi, is_play))
+ return;
+
+ fsi_hw_startup(fsi, is_play, dev);
+
+ if (fsi_is_clk_master(fsi) && fsi->rate)
+ fsi_set_master_clk(dev, fsi, fsi->rate, 1);
+
+ fsi_port_start(fsi, is_play);
- if (fsi_is_clk_master(fsi))
- set_rate(dev, fsi_is_port_a(fsi), fsi->rate, 1);
}
static int fsi_suspend(struct device *dev)
{
struct fsi_master *master = dev_get_drvdata(dev);
- set_rate_func set_rate = fsi_get_info_set_rate(master);
-
- pm_runtime_get_sync(dev);
-
- __fsi_suspend(&master->fsia, dev, set_rate);
- __fsi_suspend(&master->fsib, dev, set_rate);
+ struct fsi_priv *fsia = &master->fsia;
+ struct fsi_priv *fsib = &master->fsib;
- master->saved_a_mclk = fsi_core_read(master, a_mclk);
- master->saved_b_mclk = fsi_core_read(master, b_mclk);
- master->saved_iemsk = fsi_core_read(master, iemsk);
- master->saved_imsk = fsi_core_read(master, imsk);
- master->saved_clk_rst = fsi_master_read(master, CLK_RST);
- master->saved_soft_rst = fsi_master_read(master, SOFT_RST);
+ __fsi_suspend(fsia, 1, dev);
+ __fsi_suspend(fsia, 0, dev);
- fsi_module_kill(master, dev);
-
- pm_runtime_put_sync(dev);
+ __fsi_suspend(fsib, 1, dev);
+ __fsi_suspend(fsib, 0, dev);
return 0;
}
static int fsi_resume(struct device *dev)
{
struct fsi_master *master = dev_get_drvdata(dev);
- set_rate_func set_rate = fsi_get_info_set_rate(master);
-
- pm_runtime_get_sync(dev);
-
- fsi_module_init(master, dev);
+ struct fsi_priv *fsia = &master->fsia;
+ struct fsi_priv *fsib = &master->fsib;
- fsi_master_mask_set(master, SOFT_RST, 0xffff, master->saved_soft_rst);
- fsi_master_mask_set(master, CLK_RST, 0xffff, master->saved_clk_rst);
- fsi_core_mask_set(master, a_mclk, 0xffff, master->saved_a_mclk);
- fsi_core_mask_set(master, b_mclk, 0xffff, master->saved_b_mclk);
- fsi_core_mask_set(master, iemsk, 0xffff, master->saved_iemsk);
- fsi_core_mask_set(master, imsk, 0xffff, master->saved_imsk);
+ __fsi_resume(fsia, 1, dev);
+ __fsi_resume(fsia, 0, dev);
- __fsi_resume(&master->fsia, dev, set_rate);
- __fsi_resume(&master->fsib, dev, set_rate);
-
- pm_runtime_put_sync(dev);
+ __fsi_resume(fsib, 1, dev);
+ __fsi_resume(fsib, 0, dev);
return 0;
}
return bytes_to_frames(ss->runtime, ptr);
}
-static int siu_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int siu_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
/* card->dev == socdev->dev, see snd_soc_new_pcms() */
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_pcm *pcm = rtd->pcm;
struct siu_info *info = siu_i2s_data;
struct platform_device *pdev = to_platform_device(card->dev);
int ret;
#include <trace/events/asoc.h>
-#ifdef CONFIG_SPI_MASTER
-static int do_spi_write(void *control, const char *data, int len)
-{
- struct spi_device *spi = control;
- int ret;
-
- ret = spi_write(spi, data, len);
- if (ret < 0)
- return ret;
-
- return len;
-}
-#endif
-
-static int do_hw_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value, const void *data, int len)
-{
- int ret;
-
- if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size &&
- !codec->cache_bypass) {
- ret = snd_soc_cache_write(codec, reg, value);
- if (ret < 0)
- return -1;
- }
-
- if (codec->cache_only) {
- codec->cache_sync = 1;
- return 0;
- }
-
- ret = codec->hw_write(codec->control_data, data, len);
- if (ret == len)
- return 0;
- if (ret < 0)
- return ret;
- else
- return -EIO;
-}
-
-static unsigned int do_hw_read(struct snd_soc_codec *codec, unsigned int reg)
-{
- int ret;
- unsigned int val;
-
- if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg) ||
- codec->cache_bypass) {
- if (codec->cache_only)
- return -1;
-
- BUG_ON(!codec->hw_read);
- return codec->hw_read(codec, reg);
- }
-
- ret = snd_soc_cache_read(codec, reg, &val);
- if (ret < 0)
- return -1;
- return val;
-}
-
-static unsigned int snd_soc_4_12_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return do_hw_read(codec, reg);
-}
-
-static int snd_soc_4_12_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u16 data;
-
- data = cpu_to_be16((reg << 12) | (value & 0xffffff));
-
- return do_hw_write(codec, reg, value, &data, 2);
-}
-
-static unsigned int snd_soc_7_9_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return do_hw_read(codec, reg);
-}
-
-static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
-
- return do_hw_write(codec, reg, value, data, 2);
-}
-
-static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- reg &= 0xff;
- data[0] = reg;
- data[1] = value & 0xff;
-
- return do_hw_write(codec, reg, value, data, 2);
-}
-
-static unsigned int snd_soc_8_8_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return do_hw_read(codec, reg);
-}
-
-static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[3];
-
- data[0] = reg;
- data[1] = (value >> 8) & 0xff;
- data[2] = value & 0xff;
-
- return do_hw_write(codec, reg, value, data, 3);
-}
-
-static unsigned int snd_soc_8_16_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return do_hw_read(codec, reg);
-}
-
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-static unsigned int do_i2c_read(struct snd_soc_codec *codec,
- void *reg, int reglen,
- void *data, int datalen)
-{
- struct i2c_msg xfer[2];
- int ret;
- struct i2c_client *client = codec->control_data;
-
- /* Write register */
- xfer[0].addr = client->addr;
- xfer[0].flags = 0;
- xfer[0].len = reglen;
- xfer[0].buf = reg;
-
- /* Read data */
- xfer[1].addr = client->addr;
- xfer[1].flags = I2C_M_RD;
- xfer[1].len = datalen;
- xfer[1].buf = data;
-
- ret = i2c_transfer(client->adapter, xfer, 2);
- if (ret == 2)
- return 0;
- else if (ret < 0)
- return ret;
- else
- return -EIO;
-}
-#endif
-
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-static unsigned int snd_soc_8_8_read_i2c(struct snd_soc_codec *codec,
- unsigned int r)
-{
- u8 reg = r;
- u8 data;
- int ret;
-
- ret = do_i2c_read(codec, ®, 1, &data, 1);
- if (ret < 0)
- return 0;
- return data;
-}
-#else
-#define snd_soc_8_8_read_i2c NULL
-#endif
-
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-static unsigned int snd_soc_8_16_read_i2c(struct snd_soc_codec *codec,
- unsigned int r)
-{
- u8 reg = r;
- u16 data;
- int ret;
-
- ret = do_i2c_read(codec, ®, 1, &data, 2);
- if (ret < 0)
- return 0;
- return (data >> 8) | ((data & 0xff) << 8);
-}
-#else
-#define snd_soc_8_16_read_i2c NULL
-#endif
-
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-static unsigned int snd_soc_16_8_read_i2c(struct snd_soc_codec *codec,
- unsigned int r)
-{
- u16 reg = r;
- u8 data;
- int ret;
-
- ret = do_i2c_read(codec, ®, 2, &data, 1);
- if (ret < 0)
- return 0;
- return data;
-}
-#else
-#define snd_soc_16_8_read_i2c NULL
-#endif
-
-static unsigned int snd_soc_16_8_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return do_hw_read(codec, reg);
-}
-
-static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[3];
-
- data[0] = (reg >> 8) & 0xff;
- data[1] = reg & 0xff;
- data[2] = value;
-
- return do_hw_write(codec, reg, value, data, 3);
-}
-
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-static unsigned int snd_soc_16_16_read_i2c(struct snd_soc_codec *codec,
- unsigned int r)
-{
- u16 reg = cpu_to_be16(r);
- u16 data;
- int ret;
-
- ret = do_i2c_read(codec, ®, 2, &data, 2);
- if (ret < 0)
- return 0;
- return be16_to_cpu(data);
-}
-#else
-#define snd_soc_16_16_read_i2c NULL
-#endif
-
-static unsigned int snd_soc_16_16_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return do_hw_read(codec, reg);
-}
-
-static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[4];
-
- data[0] = (reg >> 8) & 0xff;
- data[1] = reg & 0xff;
- data[2] = (value >> 8) & 0xff;
- data[3] = value & 0xff;
-
- return do_hw_write(codec, reg, value, data, 4);
-}
-
-/* Primitive bulk write support for soc-cache. The data pointed to by
- * `data' needs to already be in the form the hardware expects
- * including any leading register specific data. Any data written
- * through this function will not go through the cache as it only
- * handles writing to volatile or out of bounds registers.
- */
-static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec, unsigned int reg,
- const void *data, size_t len)
-{
- int ret;
-
- /* To ensure that we don't get out of sync with the cache, check
- * whether the base register is volatile or if we've directly asked
- * to bypass the cache. Out of bounds registers are considered
- * volatile.
- */
- if (!codec->cache_bypass
- && !snd_soc_codec_volatile_register(codec, reg)
- && reg < codec->driver->reg_cache_size)
- return -EINVAL;
-
- switch (codec->control_type) {
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
- case SND_SOC_I2C:
- ret = i2c_master_send(codec->control_data, data, len);
- break;
-#endif
-#if defined(CONFIG_SPI_MASTER)
- case SND_SOC_SPI:
- ret = spi_write(codec->control_data, data, len);
- break;
-#endif
- default:
- BUG();
- }
-
- if (ret == len)
- return 0;
- if (ret < 0)
- return ret;
- else
- return -EIO;
-}
-
-static struct {
- int addr_bits;
- int data_bits;
- int (*write)(struct snd_soc_codec *codec, unsigned int, unsigned int);
- unsigned int (*read)(struct snd_soc_codec *, unsigned int);
- unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int);
-} io_types[] = {
- {
- .addr_bits = 4, .data_bits = 12,
- .write = snd_soc_4_12_write, .read = snd_soc_4_12_read,
- },
- {
- .addr_bits = 7, .data_bits = 9,
- .write = snd_soc_7_9_write, .read = snd_soc_7_9_read,
- },
- {
- .addr_bits = 8, .data_bits = 8,
- .write = snd_soc_8_8_write, .read = snd_soc_8_8_read,
- .i2c_read = snd_soc_8_8_read_i2c,
- },
- {
- .addr_bits = 8, .data_bits = 16,
- .write = snd_soc_8_16_write, .read = snd_soc_8_16_read,
- .i2c_read = snd_soc_8_16_read_i2c,
- },
- {
- .addr_bits = 16, .data_bits = 8,
- .write = snd_soc_16_8_write, .read = snd_soc_16_8_read,
- .i2c_read = snd_soc_16_8_read_i2c,
- },
- {
- .addr_bits = 16, .data_bits = 16,
- .write = snd_soc_16_16_write, .read = snd_soc_16_16_read,
- .i2c_read = snd_soc_16_16_read_i2c,
- },
-};
-
-/**
- * snd_soc_codec_set_cache_io: Set up standard I/O functions.
- *
- * @codec: CODEC to configure.
- * @addr_bits: Number of bits of register address data.
- * @data_bits: Number of bits of data per register.
- * @control: Control bus used.
- *
- * Register formats are frequently shared between many I2C and SPI
- * devices. In order to promote code reuse the ASoC core provides
- * some standard implementations of CODEC read and write operations
- * which can be set up using this function.
- *
- * The caller is responsible for allocating and initialising the
- * actual cache.
- *
- * Note that at present this code cannot be used by CODECs with
- * volatile registers.
- */
-int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
- int addr_bits, int data_bits,
- enum snd_soc_control_type control)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(io_types); i++)
- if (io_types[i].addr_bits == addr_bits &&
- io_types[i].data_bits == data_bits)
- break;
- if (i == ARRAY_SIZE(io_types)) {
- printk(KERN_ERR
- "No I/O functions for %d bit address %d bit data\n",
- addr_bits, data_bits);
- return -EINVAL;
- }
-
- codec->write = io_types[i].write;
- codec->read = io_types[i].read;
- codec->bulk_write_raw = snd_soc_hw_bulk_write_raw;
-
- switch (control) {
- case SND_SOC_I2C:
-#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
- codec->hw_write = (hw_write_t)i2c_master_send;
-#endif
- if (io_types[i].i2c_read)
- codec->hw_read = io_types[i].i2c_read;
-
- codec->control_data = container_of(codec->dev,
- struct i2c_client,
- dev);
- break;
-
- case SND_SOC_SPI:
-#ifdef CONFIG_SPI_MASTER
- codec->hw_write = do_spi_write;
-#endif
-
- codec->control_data = container_of(codec->dev,
- struct spi_device,
- dev);
- break;
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
-
static bool snd_soc_set_cache_val(void *base, unsigned int idx,
unsigned int val, unsigned int word_size)
{
}
struct snd_soc_rbtree_node {
- struct rb_node node;
- unsigned int reg;
- unsigned int value;
- unsigned int defval;
+ struct rb_node node; /* the actual rbtree node holding this block */
+ unsigned int base_reg; /* base register handled by this block */
+ unsigned int word_size; /* number of bytes needed to represent the register index */
+ void *block; /* block of adjacent registers */
+ unsigned int blklen; /* number of registers available in the block */
} __attribute__ ((packed));
struct snd_soc_rbtree_ctx {
struct rb_root root;
+ struct snd_soc_rbtree_node *cached_rbnode;
};
+static inline void snd_soc_rbtree_get_base_top_reg(
+ struct snd_soc_rbtree_node *rbnode,
+ unsigned int *base, unsigned int *top)
+{
+ *base = rbnode->base_reg;
+ *top = rbnode->base_reg + rbnode->blklen - 1;
+}
+
+static unsigned int snd_soc_rbtree_get_register(
+ struct snd_soc_rbtree_node *rbnode, unsigned int idx)
+{
+ unsigned int val;
+
+ switch (rbnode->word_size) {
+ case 1: {
+ u8 *p = rbnode->block;
+ val = p[idx];
+ return val;
+ }
+ case 2: {
+ u16 *p = rbnode->block;
+ val = p[idx];
+ return val;
+ }
+ default:
+ BUG();
+ break;
+ }
+ return -1;
+}
+
+static void snd_soc_rbtree_set_register(struct snd_soc_rbtree_node *rbnode,
+ unsigned int idx, unsigned int val)
+{
+ switch (rbnode->word_size) {
+ case 1: {
+ u8 *p = rbnode->block;
+ p[idx] = val;
+ break;
+ }
+ case 2: {
+ u16 *p = rbnode->block;
+ p[idx] = val;
+ break;
+ }
+ default:
+ BUG();
+ break;
+ }
+}
+
static struct snd_soc_rbtree_node *snd_soc_rbtree_lookup(
struct rb_root *root, unsigned int reg)
{
struct rb_node *node;
struct snd_soc_rbtree_node *rbnode;
+ unsigned int base_reg, top_reg;
node = root->rb_node;
while (node) {
rbnode = container_of(node, struct snd_soc_rbtree_node, node);
- if (rbnode->reg < reg)
- node = node->rb_left;
- else if (rbnode->reg > reg)
- node = node->rb_right;
- else
+ snd_soc_rbtree_get_base_top_reg(rbnode, &base_reg, &top_reg);
+ if (reg >= base_reg && reg <= top_reg)
return rbnode;
+ else if (reg > top_reg)
+ node = node->rb_right;
+ else if (reg < base_reg)
+ node = node->rb_left;
}
return NULL;
{
struct rb_node **new, *parent;
struct snd_soc_rbtree_node *rbnode_tmp;
+ unsigned int base_reg_tmp, top_reg_tmp;
+ unsigned int base_reg;
parent = NULL;
new = &root->rb_node;
while (*new) {
rbnode_tmp = container_of(*new, struct snd_soc_rbtree_node,
node);
+ /* base and top registers of the current rbnode */
+ snd_soc_rbtree_get_base_top_reg(rbnode_tmp, &base_reg_tmp,
+ &top_reg_tmp);
+ /* base register of the rbnode to be added */
+ base_reg = rbnode->base_reg;
parent = *new;
- if (rbnode_tmp->reg < rbnode->reg)
- new = &((*new)->rb_left);
- else if (rbnode_tmp->reg > rbnode->reg)
- new = &((*new)->rb_right);
- else
+ /* if this register has already been inserted, just return */
+ if (base_reg >= base_reg_tmp &&
+ base_reg <= top_reg_tmp)
return 0;
+ else if (base_reg > top_reg_tmp)
+ new = &((*new)->rb_right);
+ else if (base_reg < base_reg_tmp)
+ new = &((*new)->rb_left);
}
/* insert the node into the rbtree */
struct snd_soc_rbtree_ctx *rbtree_ctx;
struct rb_node *node;
struct snd_soc_rbtree_node *rbnode;
- unsigned int val;
+ unsigned int regtmp;
+ unsigned int val, def;
int ret;
+ int i;
rbtree_ctx = codec->reg_cache;
for (node = rb_first(&rbtree_ctx->root); node; node = rb_next(node)) {
rbnode = rb_entry(node, struct snd_soc_rbtree_node, node);
- if (rbnode->value == rbnode->defval)
- continue;
- WARN_ON(codec->writable_register &&
- codec->writable_register(codec, rbnode->reg));
- ret = snd_soc_cache_read(codec, rbnode->reg, &val);
- if (ret)
- return ret;
- codec->cache_bypass = 1;
- ret = snd_soc_write(codec, rbnode->reg, val);
- codec->cache_bypass = 0;
- if (ret)
- return ret;
- dev_dbg(codec->dev, "Synced register %#x, value = %#x\n",
- rbnode->reg, val);
+ for (i = 0; i < rbnode->blklen; ++i) {
+ regtmp = rbnode->base_reg + i;
+ WARN_ON(codec->writable_register &&
+ codec->writable_register(codec, regtmp));
+ val = snd_soc_rbtree_get_register(rbnode, i);
+ def = snd_soc_get_cache_val(codec->reg_def_copy, i,
+ rbnode->word_size);
+ if (val == def)
+ continue;
+
+ codec->cache_bypass = 1;
+ ret = snd_soc_write(codec, regtmp, val);
+ codec->cache_bypass = 0;
+ if (ret)
+ return ret;
+ dev_dbg(codec->dev, "Synced register %#x, value = %#x\n",
+ regtmp, val);
+ }
}
return 0;
}
+static int snd_soc_rbtree_insert_to_block(struct snd_soc_rbtree_node *rbnode,
+ unsigned int pos, unsigned int reg,
+ unsigned int value)
+{
+ u8 *blk;
+
+ blk = krealloc(rbnode->block,
+ (rbnode->blklen + 1) * rbnode->word_size, GFP_KERNEL);
+ if (!blk)
+ return -ENOMEM;
+
+ /* insert the register value in the correct place in the rbnode block */
+ memmove(blk + (pos + 1) * rbnode->word_size,
+ blk + pos * rbnode->word_size,
+ (rbnode->blklen - pos) * rbnode->word_size);
+
+ /* update the rbnode block, its size and the base register */
+ rbnode->block = blk;
+ rbnode->blklen++;
+ if (!pos)
+ rbnode->base_reg = reg;
+
+ snd_soc_rbtree_set_register(rbnode, pos, value);
+ return 0;
+}
+
static int snd_soc_rbtree_cache_write(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value)
{
struct snd_soc_rbtree_ctx *rbtree_ctx;
- struct snd_soc_rbtree_node *rbnode;
+ struct snd_soc_rbtree_node *rbnode, *rbnode_tmp;
+ struct rb_node *node;
+ unsigned int val;
+ unsigned int reg_tmp;
+ unsigned int base_reg, top_reg;
+ unsigned int pos;
+ int i;
+ int ret;
rbtree_ctx = codec->reg_cache;
+ /* look up the required register in the cached rbnode */
+ rbnode = rbtree_ctx->cached_rbnode;
+ if (rbnode) {
+ snd_soc_rbtree_get_base_top_reg(rbnode, &base_reg, &top_reg);
+ if (reg >= base_reg && reg <= top_reg) {
+ reg_tmp = reg - base_reg;
+ val = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+ if (val == value)
+ return 0;
+ snd_soc_rbtree_set_register(rbnode, reg_tmp, value);
+ return 0;
+ }
+ }
+ /* if we can't locate it in the cached rbnode we'll have
+ * to traverse the rbtree looking for it.
+ */
rbnode = snd_soc_rbtree_lookup(&rbtree_ctx->root, reg);
if (rbnode) {
- if (rbnode->value == value)
+ reg_tmp = reg - rbnode->base_reg;
+ val = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+ if (val == value)
return 0;
- rbnode->value = value;
+ snd_soc_rbtree_set_register(rbnode, reg_tmp, value);
+ rbtree_ctx->cached_rbnode = rbnode;
} else {
/* bail out early, no need to create the rbnode yet */
if (!value)
return 0;
- /*
- * for uninitialized registers whose value is changed
- * from the default zero, create an rbnode and insert
- * it into the tree.
+ /* look for an adjacent register to the one we are about to add */
+ for (node = rb_first(&rbtree_ctx->root); node;
+ node = rb_next(node)) {
+ rbnode_tmp = rb_entry(node, struct snd_soc_rbtree_node, node);
+ for (i = 0; i < rbnode_tmp->blklen; ++i) {
+ reg_tmp = rbnode_tmp->base_reg + i;
+ if (abs(reg_tmp - reg) != 1)
+ continue;
+ /* decide where in the block to place our register */
+ if (reg_tmp + 1 == reg)
+ pos = i + 1;
+ else
+ pos = i;
+ ret = snd_soc_rbtree_insert_to_block(rbnode_tmp, pos,
+ reg, value);
+ if (ret)
+ return ret;
+ rbtree_ctx->cached_rbnode = rbnode_tmp;
+ return 0;
+ }
+ }
+ /* we did not manage to find a place to insert it in an existing
+ * block so create a new rbnode with a single register in its block.
+ * This block will get populated further if any other adjacent
+ * registers get modified in the future.
*/
rbnode = kzalloc(sizeof *rbnode, GFP_KERNEL);
if (!rbnode)
return -ENOMEM;
- rbnode->reg = reg;
- rbnode->value = value;
+ rbnode->blklen = 1;
+ rbnode->base_reg = reg;
+ rbnode->word_size = codec->driver->reg_word_size;
+ rbnode->block = kmalloc(rbnode->blklen * rbnode->word_size,
+ GFP_KERNEL);
+ if (!rbnode->block) {
+ kfree(rbnode);
+ return -ENOMEM;
+ }
+ snd_soc_rbtree_set_register(rbnode, 0, value);
snd_soc_rbtree_insert(&rbtree_ctx->root, rbnode);
+ rbtree_ctx->cached_rbnode = rbnode;
}
return 0;
{
struct snd_soc_rbtree_ctx *rbtree_ctx;
struct snd_soc_rbtree_node *rbnode;
+ unsigned int base_reg, top_reg;
+ unsigned int reg_tmp;
rbtree_ctx = codec->reg_cache;
+ /* look up the required register in the cached rbnode */
+ rbnode = rbtree_ctx->cached_rbnode;
+ if (rbnode) {
+ snd_soc_rbtree_get_base_top_reg(rbnode, &base_reg, &top_reg);
+ if (reg >= base_reg && reg <= top_reg) {
+ reg_tmp = reg - base_reg;
+ *value = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+ return 0;
+ }
+ }
+ /* if we can't locate it in the cached rbnode we'll have
+ * to traverse the rbtree looking for it.
+ */
rbnode = snd_soc_rbtree_lookup(&rbtree_ctx->root, reg);
if (rbnode) {
- *value = rbnode->value;
+ reg_tmp = reg - rbnode->base_reg;
+ *value = snd_soc_rbtree_get_register(rbnode, reg_tmp);
+ rbtree_ctx->cached_rbnode = rbnode;
} else {
/* uninitialized registers default to 0 */
*value = 0;
rbtree_node = rb_entry(next, struct snd_soc_rbtree_node, node);
next = rb_next(&rbtree_node->node);
rb_erase(&rbtree_node->node, &rbtree_ctx->root);
+ kfree(rbtree_node->block);
kfree(rbtree_node);
}
static int snd_soc_rbtree_cache_init(struct snd_soc_codec *codec)
{
- struct snd_soc_rbtree_node *rbtree_node;
struct snd_soc_rbtree_ctx *rbtree_ctx;
- unsigned int val;
unsigned int word_size;
+ unsigned int val;
int i;
int ret;
rbtree_ctx = codec->reg_cache;
rbtree_ctx->root = RB_ROOT;
+ rbtree_ctx->cached_rbnode = NULL;
if (!codec->reg_def_copy)
return 0;
- /*
- * populate the rbtree with the initialized registers. All other
- * registers will be inserted when they are first modified.
- */
word_size = codec->driver->reg_word_size;
for (i = 0; i < codec->driver->reg_cache_size; ++i) {
- val = snd_soc_get_cache_val(codec->reg_def_copy, i, word_size);
+ val = snd_soc_get_cache_val(codec->reg_def_copy, i,
+ word_size);
if (!val)
continue;
- rbtree_node = kzalloc(sizeof *rbtree_node, GFP_KERNEL);
- if (!rbtree_node) {
- ret = -ENOMEM;
- snd_soc_cache_exit(codec);
- break;
- }
- rbtree_node->reg = i;
- rbtree_node->value = val;
- rbtree_node->defval = val;
- snd_soc_rbtree_insert(&rbtree_ctx->root, rbtree_node);
+ ret = snd_soc_rbtree_cache_write(codec, i, val);
+ if (ret)
+ goto err;
}
return 0;
+
+err:
+ snd_soc_cache_exit(codec);
+ return ret;
}
#ifdef CONFIG_SND_SOC_CACHE_LZO
#define NAME_SIZE 32
-static DEFINE_MUTEX(pcm_mutex);
static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
#ifdef CONFIG_DEBUG_FS
static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
-static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
+int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
/*
* This is a timeout to do a DAPM powerdown after a stream is closed().
}
#endif
-static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream)
-{
- 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;
- int ret;
-
- if (!codec_dai->driver->symmetric_rates &&
- !cpu_dai->driver->symmetric_rates &&
- !rtd->dai_link->symmetric_rates)
- return 0;
-
- /* This can happen if multiple streams are starting simultaneously -
- * the second can need to get its constraints before the first has
- * picked a rate. Complain and allow the application to carry on.
- */
- if (!rtd->rate) {
- dev_warn(&rtd->dev,
- "Not enforcing symmetric_rates due to race\n");
- return 0;
- }
-
- dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n", rtd->rate);
-
- ret = snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_RATE,
- rtd->rate, rtd->rate);
- if (ret < 0) {
- dev_err(&rtd->dev,
- "Unable to apply rate symmetry constraint: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-/*
- * Called by ALSA when a PCM substream is opened, the runtime->hw record is
- * then initialized and any private data can be allocated. This also calls
- * startup for the cpu DAI, platform, machine and codec DAI.
- */
-static int soc_pcm_open(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
- struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver;
- int ret = 0;
-
- mutex_lock(&pcm_mutex);
-
- /* startup the audio subsystem */
- if (cpu_dai->driver->ops->startup) {
- ret = cpu_dai->driver->ops->startup(substream, cpu_dai);
- if (ret < 0) {
- printk(KERN_ERR "asoc: can't open interface %s\n",
- cpu_dai->name);
- goto out;
- }
- }
-
- if (platform->driver->ops && platform->driver->ops->open) {
- ret = platform->driver->ops->open(substream);
- if (ret < 0) {
- printk(KERN_ERR "asoc: can't open platform %s\n", platform->name);
- goto platform_err;
- }
- }
-
- if (codec_dai->driver->ops->startup) {
- ret = codec_dai->driver->ops->startup(substream, codec_dai);
- if (ret < 0) {
- printk(KERN_ERR "asoc: can't open codec %s\n",
- codec_dai->name);
- goto codec_dai_err;
- }
- }
-
- if (rtd->dai_link->ops && rtd->dai_link->ops->startup) {
- ret = rtd->dai_link->ops->startup(substream);
- if (ret < 0) {
- printk(KERN_ERR "asoc: %s startup failed\n", rtd->dai_link->name);
- goto machine_err;
- }
- }
-
- /* Check that the codec and cpu DAIs are compatible */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- runtime->hw.rate_min =
- max(codec_dai_drv->playback.rate_min,
- cpu_dai_drv->playback.rate_min);
- runtime->hw.rate_max =
- min(codec_dai_drv->playback.rate_max,
- cpu_dai_drv->playback.rate_max);
- runtime->hw.channels_min =
- max(codec_dai_drv->playback.channels_min,
- cpu_dai_drv->playback.channels_min);
- runtime->hw.channels_max =
- min(codec_dai_drv->playback.channels_max,
- cpu_dai_drv->playback.channels_max);
- runtime->hw.formats =
- codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats;
- runtime->hw.rates =
- codec_dai_drv->playback.rates & cpu_dai_drv->playback.rates;
- if (codec_dai_drv->playback.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= cpu_dai_drv->playback.rates;
- if (cpu_dai_drv->playback.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai_drv->playback.rates;
- } else {
- runtime->hw.rate_min =
- max(codec_dai_drv->capture.rate_min,
- cpu_dai_drv->capture.rate_min);
- runtime->hw.rate_max =
- min(codec_dai_drv->capture.rate_max,
- cpu_dai_drv->capture.rate_max);
- runtime->hw.channels_min =
- max(codec_dai_drv->capture.channels_min,
- cpu_dai_drv->capture.channels_min);
- runtime->hw.channels_max =
- min(codec_dai_drv->capture.channels_max,
- cpu_dai_drv->capture.channels_max);
- runtime->hw.formats =
- codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats;
- runtime->hw.rates =
- codec_dai_drv->capture.rates & cpu_dai_drv->capture.rates;
- if (codec_dai_drv->capture.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= cpu_dai_drv->capture.rates;
- if (cpu_dai_drv->capture.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai_drv->capture.rates;
- }
-
- ret = -EINVAL;
- snd_pcm_limit_hw_rates(runtime);
- if (!runtime->hw.rates) {
- printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
- codec_dai->name, cpu_dai->name);
- goto config_err;
- }
- if (!runtime->hw.formats) {
- printk(KERN_ERR "asoc: %s <-> %s No matching formats\n",
- codec_dai->name, cpu_dai->name);
- goto config_err;
- }
- if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
- runtime->hw.channels_min > runtime->hw.channels_max) {
- printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
- codec_dai->name, cpu_dai->name);
- goto config_err;
- }
-
- /* Symmetry only applies if we've already got an active stream. */
- if (cpu_dai->active || codec_dai->active) {
- ret = soc_pcm_apply_symmetry(substream);
- if (ret != 0)
- goto config_err;
- }
-
- pr_debug("asoc: %s <-> %s info:\n",
- codec_dai->name, cpu_dai->name);
- pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates);
- pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min,
- runtime->hw.channels_max);
- pr_debug("asoc: min rate %d max rate %d\n", runtime->hw.rate_min,
- runtime->hw.rate_max);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- cpu_dai->playback_active++;
- codec_dai->playback_active++;
- } else {
- cpu_dai->capture_active++;
- codec_dai->capture_active++;
- }
- cpu_dai->active++;
- codec_dai->active++;
- rtd->codec->active++;
- mutex_unlock(&pcm_mutex);
- return 0;
-
-config_err:
- if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
- rtd->dai_link->ops->shutdown(substream);
-
-machine_err:
- if (codec_dai->driver->ops->shutdown)
- codec_dai->driver->ops->shutdown(substream, codec_dai);
-
-codec_dai_err:
- if (platform->driver->ops && platform->driver->ops->close)
- platform->driver->ops->close(substream);
-
-platform_err:
- if (cpu_dai->driver->ops->shutdown)
- cpu_dai->driver->ops->shutdown(substream, cpu_dai);
-out:
- mutex_unlock(&pcm_mutex);
- return ret;
-}
-
-/*
- * Power down the audio subsystem pmdown_time msecs after close is called.
- * This is to ensure there are no pops or clicks in between any music tracks
- * due to DAPM power cycling.
- */
-static void close_delayed_work(struct work_struct *work)
-{
- struct snd_soc_pcm_runtime *rtd =
- container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
-
- mutex_lock(&pcm_mutex);
-
- pr_debug("pop wq checking: %s status: %s waiting: %s\n",
- codec_dai->driver->playback.stream_name,
- codec_dai->playback_active ? "active" : "inactive",
- codec_dai->pop_wait ? "yes" : "no");
-
- /* are we waiting on this codec DAI stream */
- if (codec_dai->pop_wait == 1) {
- codec_dai->pop_wait = 0;
- snd_soc_dapm_stream_event(rtd,
- codec_dai->driver->playback.stream_name,
- SND_SOC_DAPM_STREAM_STOP);
- }
-
- mutex_unlock(&pcm_mutex);
-}
-
-/*
- * Called by ALSA when a PCM substream is closed. Private data can be
- * freed here. The cpu DAI, codec DAI, machine and platform are also
- * shutdown.
- */
-static int soc_codec_close(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_codec *codec = rtd->codec;
-
- mutex_lock(&pcm_mutex);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- cpu_dai->playback_active--;
- codec_dai->playback_active--;
- } else {
- cpu_dai->capture_active--;
- codec_dai->capture_active--;
- }
-
- cpu_dai->active--;
- codec_dai->active--;
- codec->active--;
-
- /* Muting the DAC suppresses artifacts caused during digital
- * shutdown, for example from stopping clocks.
- */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_soc_dai_digital_mute(codec_dai, 1);
-
- if (cpu_dai->driver->ops->shutdown)
- cpu_dai->driver->ops->shutdown(substream, cpu_dai);
-
- if (codec_dai->driver->ops->shutdown)
- codec_dai->driver->ops->shutdown(substream, codec_dai);
-
- if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
- rtd->dai_link->ops->shutdown(substream);
-
- if (platform->driver->ops && platform->driver->ops->close)
- platform->driver->ops->close(substream);
- cpu_dai->runtime = NULL;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- /* start delayed pop wq here for playback streams */
- codec_dai->pop_wait = 1;
- schedule_delayed_work(&rtd->delayed_work,
- msecs_to_jiffies(rtd->pmdown_time));
- } else {
- /* capture streams can be powered down now */
- snd_soc_dapm_stream_event(rtd,
- codec_dai->driver->capture.stream_name,
- SND_SOC_DAPM_STREAM_STOP);
- }
-
- mutex_unlock(&pcm_mutex);
- return 0;
-}
-
-/*
- * Called by ALSA when the PCM substream is prepared, can set format, sample
- * rate, etc. This function is non atomic and can be called multiple times,
- * it can refer to the runtime info.
- */
-static int soc_pcm_prepare(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret = 0;
-
- mutex_lock(&pcm_mutex);
-
- if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) {
- ret = rtd->dai_link->ops->prepare(substream);
- if (ret < 0) {
- printk(KERN_ERR "asoc: machine prepare error\n");
- goto out;
- }
- }
-
- if (platform->driver->ops && platform->driver->ops->prepare) {
- ret = platform->driver->ops->prepare(substream);
- if (ret < 0) {
- printk(KERN_ERR "asoc: platform prepare error\n");
- goto out;
- }
- }
-
- if (codec_dai->driver->ops->prepare) {
- ret = codec_dai->driver->ops->prepare(substream, codec_dai);
- if (ret < 0) {
- printk(KERN_ERR "asoc: codec DAI prepare error\n");
- goto out;
- }
- }
-
- if (cpu_dai->driver->ops->prepare) {
- ret = cpu_dai->driver->ops->prepare(substream, cpu_dai);
- if (ret < 0) {
- printk(KERN_ERR "asoc: cpu DAI prepare error\n");
- goto out;
- }
- }
-
- /* cancel any delayed stream shutdown that is pending */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
- codec_dai->pop_wait) {
- codec_dai->pop_wait = 0;
- cancel_delayed_work(&rtd->delayed_work);
- }
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_soc_dapm_stream_event(rtd,
- codec_dai->driver->playback.stream_name,
- SND_SOC_DAPM_STREAM_START);
- else
- snd_soc_dapm_stream_event(rtd,
- codec_dai->driver->capture.stream_name,
- SND_SOC_DAPM_STREAM_START);
-
- snd_soc_dai_digital_mute(codec_dai, 0);
-
-out:
- mutex_unlock(&pcm_mutex);
- return ret;
-}
-
-/*
- * Called by ALSA when the hardware params are set by application. This
- * function can also be called multiple times and can allocate buffers
- * (using snd_pcm_lib_* ). It's non-atomic.
- */
-static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret = 0;
-
- mutex_lock(&pcm_mutex);
-
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) {
- ret = rtd->dai_link->ops->hw_params(substream, params);
- if (ret < 0) {
- printk(KERN_ERR "asoc: machine hw_params failed\n");
- goto out;
- }
- }
-
- if (codec_dai->driver->ops->hw_params) {
- ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai);
- if (ret < 0) {
- printk(KERN_ERR "asoc: can't set codec %s hw params\n",
- codec_dai->name);
- goto codec_err;
- }
- }
-
- if (cpu_dai->driver->ops->hw_params) {
- ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai);
- if (ret < 0) {
- printk(KERN_ERR "asoc: interface %s hw params failed\n",
- cpu_dai->name);
- goto interface_err;
- }
- }
-
- if (platform->driver->ops && platform->driver->ops->hw_params) {
- ret = platform->driver->ops->hw_params(substream, params);
- if (ret < 0) {
- printk(KERN_ERR "asoc: platform %s hw params failed\n",
- platform->name);
- goto platform_err;
- }
- }
-
- rtd->rate = params_rate(params);
-
-out:
- mutex_unlock(&pcm_mutex);
- return ret;
-
-platform_err:
- if (cpu_dai->driver->ops->hw_free)
- cpu_dai->driver->ops->hw_free(substream, cpu_dai);
-
-interface_err:
- if (codec_dai->driver->ops->hw_free)
- codec_dai->driver->ops->hw_free(substream, codec_dai);
-
-codec_err:
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
- rtd->dai_link->ops->hw_free(substream);
-
- mutex_unlock(&pcm_mutex);
- return ret;
-}
-
-/*
- * Frees resources allocated by hw_params, can be called multiple times
- */
-static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_codec *codec = rtd->codec;
-
- mutex_lock(&pcm_mutex);
-
- /* apply codec digital mute */
- if (!codec->active)
- snd_soc_dai_digital_mute(codec_dai, 1);
-
- /* free any machine hw params */
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
- rtd->dai_link->ops->hw_free(substream);
-
- /* free any DMA resources */
- if (platform->driver->ops && platform->driver->ops->hw_free)
- platform->driver->ops->hw_free(substream);
-
- /* now free hw params for the DAIs */
- if (codec_dai->driver->ops->hw_free)
- codec_dai->driver->ops->hw_free(substream, codec_dai);
-
- if (cpu_dai->driver->ops->hw_free)
- cpu_dai->driver->ops->hw_free(substream, cpu_dai);
-
- mutex_unlock(&pcm_mutex);
- return 0;
-}
-
-static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret;
-
- if (codec_dai->driver->ops->trigger) {
- ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai);
- if (ret < 0)
- return ret;
- }
-
- if (platform->driver->ops && platform->driver->ops->trigger) {
- ret = platform->driver->ops->trigger(substream, cmd);
- if (ret < 0)
- return ret;
- }
-
- if (cpu_dai->driver->ops->trigger) {
- ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai);
- if (ret < 0)
- return ret;
- }
- return 0;
-}
-
-/*
- * soc level wrapper for pointer callback
- * If cpu_dai, codec_dai, platform driver has the delay callback, than
- * the runtime->delay will be updated accordingly.
- */
-static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_pcm_runtime *runtime = substream->runtime;
- snd_pcm_uframes_t offset = 0;
- snd_pcm_sframes_t delay = 0;
-
- if (platform->driver->ops && platform->driver->ops->pointer)
- offset = platform->driver->ops->pointer(substream);
-
- if (cpu_dai->driver->ops->delay)
- delay += cpu_dai->driver->ops->delay(substream, cpu_dai);
-
- if (codec_dai->driver->ops->delay)
- delay += codec_dai->driver->ops->delay(substream, codec_dai);
-
- if (platform->driver->delay)
- delay += platform->driver->delay(substream, codec_dai);
-
- runtime->delay = delay;
-
- return offset;
-}
-
-/* ASoC PCM operations */
-static struct snd_pcm_ops soc_pcm_ops = {
- .open = soc_pcm_open,
- .close = soc_codec_close,
- .hw_params = soc_pcm_hw_params,
- .hw_free = soc_pcm_hw_free,
- .prepare = soc_pcm_prepare,
- .trigger = soc_pcm_trigger,
- .pointer = soc_pcm_pointer,
-};
-
#ifdef CONFIG_PM_SLEEP
/* powers down audio subsystem for suspend */
int snd_soc_suspend(struct device *dev)
int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
- int i;
+ int i, ac97_control = 0;
/* AC97 devices might have other drivers hanging off them so
* need to resume immediately. Other drivers don't have that
*/
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- if (cpu_dai->driver->ac97_control) {
- dev_dbg(dev, "Resuming AC97 immediately\n");
- soc_resume_deferred(&card->deferred_resume_work);
- } else {
- dev_dbg(dev, "Scheduling resume work\n");
- if (!schedule_work(&card->deferred_resume_work))
- dev_err(dev, "resume work item may be lost\n");
- }
+ ac97_control |= cpu_dai->driver->ac97_control;
+ }
+ if (ac97_control) {
+ dev_dbg(dev, "Resuming AC97 immediately\n");
+ soc_resume_deferred(&card->deferred_resume_work);
+ } else {
+ dev_dbg(dev, "Scheduling resume work\n");
+ if (!schedule_work(&card->deferred_resume_work))
+ dev_err(dev, "resume work item may be lost\n");
}
return 0;
module_put(codec->dev->driver->owner);
}
-static void soc_remove_dai_link(struct snd_soc_card *card, int num)
+static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_codec *codec = rtd->codec;
}
/* remove the CODEC DAI */
- if (codec_dai && codec_dai->probed) {
+ if (codec_dai && codec_dai->probed &&
+ codec_dai->driver->remove_order == order) {
if (codec_dai->driver->remove) {
err = codec_dai->driver->remove(codec_dai);
if (err < 0)
}
/* remove the platform */
- if (platform && platform->probed) {
+ if (platform && platform->probed &&
+ platform->driver->remove_order == order) {
if (platform->driver->remove) {
err = platform->driver->remove(platform);
if (err < 0)
}
/* remove the CODEC */
- if (codec && codec->probed)
+ if (codec && codec->probed &&
+ codec->driver->remove_order == order)
soc_remove_codec(codec);
/* remove the cpu_dai */
- if (cpu_dai && cpu_dai->probed) {
+ if (cpu_dai && cpu_dai->probed &&
+ cpu_dai->driver->remove_order == order) {
if (cpu_dai->driver->remove) {
err = cpu_dai->driver->remove(cpu_dai);
if (err < 0)
static void soc_remove_dai_links(struct snd_soc_card *card)
{
- int i;
-
- for (i = 0; i < card->num_rtd; i++)
- soc_remove_dai_link(card, i);
+ int dai, order;
+ for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+ order++) {
+ for (dai = 0; dai < card->num_rtd; dai++)
+ soc_remove_dai_link(card, dai, order);
+ }
card->num_rtd = 0;
}
rtd->dev.parent = card->dev;
rtd->dev.release = rtd_release;
rtd->dev.init_name = name;
+ mutex_init(&rtd->pcm_mutex);
ret = device_register(&rtd->dev);
if (ret < 0) {
dev_err(card->dev,
return 0;
}
-static int soc_probe_dai_link(struct snd_soc_card *card, int num)
+static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
int ret;
- dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num);
+ dev_dbg(card->dev, "probe %s dai link %d late %d\n",
+ card->name, num, order);
/* config components */
codec_dai->codec = codec;
rtd->pmdown_time = pmdown_time;
/* probe the cpu_dai */
- if (!cpu_dai->probed) {
+ if (!cpu_dai->probed &&
+ cpu_dai->driver->probe_order == order) {
if (!try_module_get(cpu_dai->dev->driver->owner))
return -ENODEV;
}
/* probe the CODEC */
- if (!codec->probed) {
+ if (!codec->probed &&
+ codec->driver->probe_order == order) {
ret = soc_probe_codec(card, codec);
if (ret < 0)
return ret;
}
/* probe the platform */
- if (!platform->probed) {
+ if (!platform->probed &&
+ platform->driver->probe_order == order) {
if (!try_module_get(platform->dev->driver->owner))
return -ENODEV;
}
/* probe the CODEC DAI */
- if (!codec_dai->probed) {
+ if (!codec_dai->probed && codec_dai->driver->probe_order == order) {
if (codec_dai->driver->probe) {
ret = codec_dai->driver->probe(codec_dai);
if (ret < 0) {
list_add(&codec_dai->card_list, &card->dai_dev_list);
}
- /* DAPM dai link stream work */
- INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
+ /* complete DAI probe during last probe */
+ if (order != SND_SOC_COMP_ORDER_LAST)
+ return 0;
ret = soc_post_component_init(card, codec, num, 0);
if (ret)
struct snd_soc_codec *codec;
struct snd_soc_codec_conf *codec_conf;
enum snd_soc_compress_type compress_type;
- int ret, i;
+ int ret, i, order;
mutex_lock(&card->mutex);
goto card_probe_error;
}
- for (i = 0; i < card->num_links; i++) {
- ret = soc_probe_dai_link(card, i);
- if (ret < 0) {
- pr_err("asoc: failed to instantiate card %s: %d\n",
+ /* early DAI link probe */
+ for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+ order++) {
+ for (i = 0; i < card->num_links; i++) {
+ ret = soc_probe_dai_link(card, i, order);
+ if (ret < 0) {
+ pr_err("asoc: failed to instantiate card %s: %d\n",
card->name, ret);
- goto probe_dai_err;
+ goto probe_dai_err;
+ }
}
}
.remove = soc_remove,
};
-/* create a new pcm */
-static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
-{
- struct snd_soc_codec *codec = rtd->codec;
- struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_pcm *pcm;
- char new_name[64];
- int ret = 0, playback = 0, capture = 0;
-
- /* check client and interface hw capabilities */
- snprintf(new_name, sizeof(new_name), "%s %s-%d",
- rtd->dai_link->stream_name, codec_dai->name, num);
-
- if (codec_dai->driver->playback.channels_min)
- playback = 1;
- if (codec_dai->driver->capture.channels_min)
- capture = 1;
-
- dev_dbg(rtd->card->dev, "registered pcm #%d %s\n",num,new_name);
- ret = snd_pcm_new(rtd->card->snd_card, new_name,
- num, playback, capture, &pcm);
- if (ret < 0) {
- printk(KERN_ERR "asoc: can't create pcm for codec %s\n", codec->name);
- return ret;
- }
-
- rtd->pcm = pcm;
- pcm->private_data = rtd;
- if (platform->driver->ops) {
- soc_pcm_ops.mmap = platform->driver->ops->mmap;
- soc_pcm_ops.pointer = platform->driver->ops->pointer;
- soc_pcm_ops.ioctl = platform->driver->ops->ioctl;
- soc_pcm_ops.copy = platform->driver->ops->copy;
- soc_pcm_ops.silence = platform->driver->ops->silence;
- soc_pcm_ops.ack = platform->driver->ops->ack;
- soc_pcm_ops.page = platform->driver->ops->page;
- }
-
- if (playback)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops);
-
- if (capture)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops);
-
- if (platform->driver->pcm_new) {
- ret = platform->driver->pcm_new(rtd->card->snd_card,
- codec_dai, pcm);
- if (ret < 0) {
- pr_err("asoc: platform pcm constructor failed\n");
- return ret;
- }
- }
-
- pcm->private_free = platform->driver->pcm_free;
- printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name,
- cpu_dai->name);
- return ret;
-}
-
/**
* snd_soc_codec_volatile_register: Report if a register is volatile.
*
return ret;
old = ret;
- new = (old & ~mask) | value;
+ new = (old & ~mask) | (value & mask);
change = old != new;
if (change) {
ret = snd_soc_write(codec, reg, new);
struct snd_soc_card *card = dapm->card;
int ret = 0;
- switch (level) {
- case SND_SOC_BIAS_ON:
- dev_dbg(dapm->dev, "Setting full bias\n");
- break;
- case SND_SOC_BIAS_PREPARE:
- dev_dbg(dapm->dev, "Setting bias prepare\n");
- break;
- case SND_SOC_BIAS_STANDBY:
- dev_dbg(dapm->dev, "Setting standby bias\n");
- break;
- case SND_SOC_BIAS_OFF:
- dev_dbg(dapm->dev, "Setting bias off\n");
- break;
- default:
- dev_err(dapm->dev, "Setting invalid bias %d\n", level);
- return -EINVAL;
- }
-
trace_snd_soc_bias_level_start(card, level);
if (card && card->set_bias_level)
- ret = card->set_bias_level(card, level);
- if (ret == 0) {
- if (dapm->codec && dapm->codec->driver->set_bias_level)
- ret = dapm->codec->driver->set_bias_level(dapm->codec, level);
+ ret = card->set_bias_level(card, dapm, level);
+ if (ret != 0)
+ goto out;
+
+ if (dapm->codec) {
+ if (dapm->codec->driver->set_bias_level)
+ ret = dapm->codec->driver->set_bias_level(dapm->codec,
+ level);
else
dapm->bias_level = level;
}
- if (ret == 0) {
- if (card && card->set_bias_level_post)
- ret = card->set_bias_level_post(card, level);
- }
+ if (ret != 0)
+ goto out;
+ if (card && card->set_bias_level_post)
+ ret = card->set_bias_level_post(card, dapm, level);
+out:
trace_snd_soc_bias_level_done(card, level);
return ret;
int val, item, bitmask;
for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
- ;
+ ;
val = snd_soc_read(w->codec, e->reg);
item = (val >> e->shift_l) & (bitmask - 1);
}
list_for_each_entry(path, &widget->sinks, list_source) {
+ if (path->weak)
+ continue;
+
if (path->walked)
continue;
}
list_for_each_entry(path, &widget->sources, list_sink) {
+ if (path->weak)
+ continue;
+
if (path->walked)
continue;
/* Check if one of our outputs is connected */
list_for_each_entry(path, &w->sinks, list_source) {
+ if (path->weak)
+ continue;
+
if (path->connected &&
!path->connected(path->source, path->sink))
continue;
struct snd_soc_dapm_context *d = data;
int ret;
- if (d->dev_power && d->bias_level == SND_SOC_BIAS_OFF) {
+ /* If we're off and we're not supposed to be go into STANDBY */
+ if (d->bias_level == SND_SOC_BIAS_OFF &&
+ d->target_bias_level != SND_SOC_BIAS_OFF) {
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
if (ret != 0)
dev_err(d->dev,
"Failed to turn on bias: %d\n", ret);
}
- /* If we're changing to all on or all off then prepare */
- if ((d->dev_power && d->bias_level == SND_SOC_BIAS_STANDBY) ||
- (!d->dev_power && d->bias_level == SND_SOC_BIAS_ON)) {
+ /* Prepare for a STADDBY->ON or ON->STANDBY transition */
+ if (d->bias_level != d->target_bias_level) {
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_PREPARE);
if (ret != 0)
dev_err(d->dev,
int ret;
/* If we just powered the last thing off drop to standby bias */
- if (d->bias_level == SND_SOC_BIAS_PREPARE && !d->dev_power) {
+ if (d->bias_level == SND_SOC_BIAS_PREPARE &&
+ (d->target_bias_level == SND_SOC_BIAS_STANDBY ||
+ d->target_bias_level == SND_SOC_BIAS_OFF)) {
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
if (ret != 0)
dev_err(d->dev, "Failed to apply standby bias: %d\n",
}
/* If we're in standby and can support bias off then do that */
- if (d->bias_level == SND_SOC_BIAS_STANDBY && d->idle_bias_off) {
+ if (d->bias_level == SND_SOC_BIAS_STANDBY &&
+ d->target_bias_level == SND_SOC_BIAS_OFF) {
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_OFF);
if (ret != 0)
dev_err(d->dev, "Failed to turn off bias: %d\n", ret);
}
/* If we just powered up then move to active bias */
- if (d->bias_level == SND_SOC_BIAS_PREPARE && d->dev_power) {
+ if (d->bias_level == SND_SOC_BIAS_PREPARE &&
+ d->target_bias_level == SND_SOC_BIAS_ON) {
ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_ON);
if (ret != 0)
dev_err(d->dev, "Failed to apply active bias: %d\n",
LIST_HEAD(up_list);
LIST_HEAD(down_list);
LIST_HEAD(async_domain);
+ enum snd_soc_bias_level bias;
int power;
trace_snd_soc_dapm_start(card);
- list_for_each_entry(d, &card->dapm_list, list)
- if (d->n_widgets || d->codec == NULL)
- d->dev_power = 0;
+ list_for_each_entry(d, &card->dapm_list, list) {
+ if (d->n_widgets || d->codec == NULL) {
+ if (d->idle_bias_off)
+ d->target_bias_level = SND_SOC_BIAS_OFF;
+ else
+ d->target_bias_level = SND_SOC_BIAS_STANDBY;
+ }
+ }
/* Check which widgets we need to power and store them in
* lists indicating if they should be powered up or down.
power = w->power_check(w);
else
power = 1;
- if (power)
- w->dapm->dev_power = 1;
+
+ if (power) {
+ d = w->dapm;
+
+ /* Supplies and micbiases only bring
+ * the context up to STANDBY as unless
+ * something else is active and
+ * passing audio they generally don't
+ * require full power.
+ */
+ switch (w->id) {
+ case snd_soc_dapm_supply:
+ case snd_soc_dapm_micbias:
+ if (d->target_bias_level < SND_SOC_BIAS_STANDBY)
+ d->target_bias_level = SND_SOC_BIAS_STANDBY;
+ break;
+ default:
+ d->target_bias_level = SND_SOC_BIAS_ON;
+ break;
+ }
+ }
if (w->power == power)
continue;
switch (event) {
case SND_SOC_DAPM_STREAM_START:
case SND_SOC_DAPM_STREAM_RESUME:
- dapm->dev_power = 1;
+ dapm->target_bias_level = SND_SOC_BIAS_ON;
break;
case SND_SOC_DAPM_STREAM_STOP:
- dapm->dev_power = !!dapm->codec->active;
+ if (dapm->codec->active)
+ dapm->target_bias_level = SND_SOC_BIAS_ON;
+ else
+ dapm->target_bias_level = SND_SOC_BIAS_STANDBY;
break;
case SND_SOC_DAPM_STREAM_SUSPEND:
- dapm->dev_power = 0;
+ dapm->target_bias_level = SND_SOC_BIAS_STANDBY;
break;
case SND_SOC_DAPM_STREAM_NOP:
- switch (dapm->bias_level) {
- case SND_SOC_BIAS_STANDBY:
- case SND_SOC_BIAS_OFF:
- dapm->dev_power = 0;
- break;
- default:
- dapm->dev_power = 1;
- break;
- }
+ dapm->target_bias_level = dapm->bias_level;
break;
default:
break;
}
/* Force all contexts in the card to the same bias state */
- power = 0;
+ bias = SND_SOC_BIAS_OFF;
list_for_each_entry(d, &card->dapm_list, list)
- if (d->dev_power)
- power = 1;
+ if (d->target_bias_level > bias)
+ bias = d->target_bias_level;
list_for_each_entry(d, &card->dapm_list, list)
- d->dev_power = power;
+ d->target_bias_level = bias;
/* Run all the bias changes in parallel */
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
+static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm,
+ const struct snd_soc_dapm_route *route)
+{
+ struct snd_soc_dapm_widget *source = dapm_find_widget(dapm,
+ route->source,
+ true);
+ struct snd_soc_dapm_widget *sink = dapm_find_widget(dapm,
+ route->sink,
+ true);
+ struct snd_soc_dapm_path *path;
+ int count = 0;
+
+ if (!source) {
+ dev_err(dapm->dev, "Unable to find source %s for weak route\n",
+ route->source);
+ return -ENODEV;
+ }
+
+ if (!sink) {
+ dev_err(dapm->dev, "Unable to find sink %s for weak route\n",
+ route->sink);
+ return -ENODEV;
+ }
+
+ if (route->control || route->connected)
+ dev_warn(dapm->dev, "Ignoring control for weak route %s->%s\n",
+ route->source, route->sink);
+
+ list_for_each_entry(path, &source->sinks, list_source) {
+ if (path->sink == sink) {
+ path->weak = 1;
+ count++;
+ }
+ }
+
+ if (count == 0)
+ dev_err(dapm->dev, "No path found for weak route %s->%s\n",
+ route->source, route->sink);
+ if (count > 1)
+ dev_warn(dapm->dev, "%d paths found for weak route %s->%s\n",
+ count, route->source, route->sink);
+
+ return 0;
+}
+
+/**
+ * snd_soc_dapm_weak_routes - Mark routes between DAPM widgets as weak
+ * @dapm: DAPM context
+ * @route: audio routes
+ * @num: number of routes
+ *
+ * Mark existing routes matching those specified in the passed array
+ * as being weak, meaning that they are ignored for the purpose of
+ * power decisions. The main intended use case is for sidetone paths
+ * which couple audio between other independent paths if they are both
+ * active in order to make the combination work better at the user
+ * level but which aren't intended to be "used".
+ *
+ * Note that CODEC drivers should not use this as sidetone type paths
+ * can frequently also be used as bypass paths.
+ */
+int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
+ const struct snd_soc_dapm_route *route, int num)
+{
+ int i, err;
+ int ret = 0;
+
+ for (i = 0; i < num; i++) {
+ err = snd_soc_dapm_weak_route(dapm, route);
+ if (err)
+ ret = err;
+ route++;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_weak_routes);
+
/**
* snd_soc_dapm_new_widgets - add new dapm widgets
* @dapm: DAPM context
--- /dev/null
+/*
+ * soc-io.c -- ASoC register I/O helpers
+ *
+ * Copyright 2009-2011 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * 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.
+ */
+
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <sound/soc.h>
+
+#include <trace/events/asoc.h>
+
+#ifdef CONFIG_SPI_MASTER
+static int do_spi_write(void *control, const char *data, int len)
+{
+ struct spi_device *spi = control;
+ int ret;
+
+ ret = spi_write(spi, data, len);
+ if (ret < 0)
+ return ret;
+
+ return len;
+}
+#endif
+
+static int do_hw_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value, const void *data, int len)
+{
+ int ret;
+
+ if (!snd_soc_codec_volatile_register(codec, reg) &&
+ reg < codec->driver->reg_cache_size &&
+ !codec->cache_bypass) {
+ ret = snd_soc_cache_write(codec, reg, value);
+ if (ret < 0)
+ return -1;
+ }
+
+ if (codec->cache_only) {
+ codec->cache_sync = 1;
+ return 0;
+ }
+
+ ret = codec->hw_write(codec->control_data, data, len);
+ if (ret == len)
+ return 0;
+ if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+
+static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg)
+{
+ int ret;
+ unsigned int val;
+
+ if (reg >= codec->driver->reg_cache_size ||
+ snd_soc_codec_volatile_register(codec, reg) ||
+ codec->cache_bypass) {
+ if (codec->cache_only)
+ return -1;
+
+ BUG_ON(!codec->hw_read);
+ return codec->hw_read(codec, reg);
+ }
+
+ ret = snd_soc_cache_read(codec, reg, &val);
+ if (ret < 0)
+ return -1;
+ return val;
+}
+
+static int snd_soc_4_12_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u16 data;
+
+ data = cpu_to_be16((reg << 12) | (value & 0xffffff));
+
+ return do_hw_write(codec, reg, value, &data, 2);
+}
+
+static int snd_soc_7_9_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u16 data;
+
+ data = cpu_to_be16((reg << 9) | (value & 0x1ff));
+
+ return do_hw_write(codec, reg, value, &data, 2);
+}
+
+static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ reg &= 0xff;
+ data[0] = reg;
+ data[1] = value & 0xff;
+
+ return do_hw_write(codec, reg, value, data, 2);
+}
+
+static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[3];
+ u16 val = cpu_to_be16(value);
+
+ data[0] = reg;
+ memcpy(&data[1], &val, sizeof(val));
+
+ return do_hw_write(codec, reg, value, data, 3);
+}
+
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+static unsigned int do_i2c_read(struct snd_soc_codec *codec,
+ void *reg, int reglen,
+ void *data, int datalen)
+{
+ struct i2c_msg xfer[2];
+ int ret;
+ struct i2c_client *client = codec->control_data;
+
+ /* Write register */
+ xfer[0].addr = client->addr;
+ xfer[0].flags = 0;
+ xfer[0].len = reglen;
+ xfer[0].buf = reg;
+
+ /* Read data */
+ xfer[1].addr = client->addr;
+ xfer[1].flags = I2C_M_RD;
+ xfer[1].len = datalen;
+ xfer[1].buf = data;
+
+ ret = i2c_transfer(client->adapter, xfer, 2);
+ if (ret == 2)
+ return 0;
+ else if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+#endif
+
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+static unsigned int snd_soc_8_8_read_i2c(struct snd_soc_codec *codec,
+ unsigned int r)
+{
+ u8 reg = r;
+ u8 data;
+ int ret;
+
+ ret = do_i2c_read(codec, ®, 1, &data, 1);
+ if (ret < 0)
+ return 0;
+ return data;
+}
+#else
+#define snd_soc_8_8_read_i2c NULL
+#endif
+
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+static unsigned int snd_soc_8_16_read_i2c(struct snd_soc_codec *codec,
+ unsigned int r)
+{
+ u8 reg = r;
+ u16 data;
+ int ret;
+
+ ret = do_i2c_read(codec, ®, 1, &data, 2);
+ if (ret < 0)
+ return 0;
+ return (data >> 8) | ((data & 0xff) << 8);
+}
+#else
+#define snd_soc_8_16_read_i2c NULL
+#endif
+
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+static unsigned int snd_soc_16_8_read_i2c(struct snd_soc_codec *codec,
+ unsigned int r)
+{
+ u16 reg = r;
+ u8 data;
+ int ret;
+
+ ret = do_i2c_read(codec, ®, 2, &data, 1);
+ if (ret < 0)
+ return 0;
+ return data;
+}
+#else
+#define snd_soc_16_8_read_i2c NULL
+#endif
+
+static int snd_soc_16_8_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[3];
+ u16 rval = cpu_to_be16(reg);
+
+ memcpy(data, &rval, sizeof(rval));
+ data[2] = value;
+
+ return do_hw_write(codec, reg, value, data, 3);
+}
+
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+static unsigned int snd_soc_16_16_read_i2c(struct snd_soc_codec *codec,
+ unsigned int r)
+{
+ u16 reg = cpu_to_be16(r);
+ u16 data;
+ int ret;
+
+ ret = do_i2c_read(codec, ®, 2, &data, 2);
+ if (ret < 0)
+ return 0;
+ return be16_to_cpu(data);
+}
+#else
+#define snd_soc_16_16_read_i2c NULL
+#endif
+
+static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u16 data[2];
+
+ data[0] = cpu_to_be16(reg);
+ data[1] = cpu_to_be16(value);
+
+ return do_hw_write(codec, reg, value, data, sizeof(data));
+}
+
+/* Primitive bulk write support for soc-cache. The data pointed to by
+ * `data' needs to already be in the form the hardware expects
+ * including any leading register specific data. Any data written
+ * through this function will not go through the cache as it only
+ * handles writing to volatile or out of bounds registers.
+ */
+static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec, unsigned int reg,
+ const void *data, size_t len)
+{
+ int ret;
+
+ /* To ensure that we don't get out of sync with the cache, check
+ * whether the base register is volatile or if we've directly asked
+ * to bypass the cache. Out of bounds registers are considered
+ * volatile.
+ */
+ if (!codec->cache_bypass
+ && !snd_soc_codec_volatile_register(codec, reg)
+ && reg < codec->driver->reg_cache_size)
+ return -EINVAL;
+
+ switch (codec->control_type) {
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+ case SND_SOC_I2C:
+ ret = i2c_master_send(to_i2c_client(codec->dev), data, len);
+ break;
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ case SND_SOC_SPI:
+ ret = spi_write(to_spi_device(codec->dev), data, len);
+ break;
+#endif
+ default:
+ BUG();
+ }
+
+ if (ret == len)
+ return 0;
+ if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+
+static struct {
+ int addr_bits;
+ int data_bits;
+ int (*write)(struct snd_soc_codec *codec, unsigned int, unsigned int);
+ unsigned int (*read)(struct snd_soc_codec *, unsigned int);
+ unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int);
+} io_types[] = {
+ {
+ .addr_bits = 4, .data_bits = 12,
+ .write = snd_soc_4_12_write,
+ },
+ {
+ .addr_bits = 7, .data_bits = 9,
+ .write = snd_soc_7_9_write,
+ },
+ {
+ .addr_bits = 8, .data_bits = 8,
+ .write = snd_soc_8_8_write,
+ .i2c_read = snd_soc_8_8_read_i2c,
+ },
+ {
+ .addr_bits = 8, .data_bits = 16,
+ .write = snd_soc_8_16_write,
+ .i2c_read = snd_soc_8_16_read_i2c,
+ },
+ {
+ .addr_bits = 16, .data_bits = 8,
+ .write = snd_soc_16_8_write,
+ .i2c_read = snd_soc_16_8_read_i2c,
+ },
+ {
+ .addr_bits = 16, .data_bits = 16,
+ .write = snd_soc_16_16_write,
+ .i2c_read = snd_soc_16_16_read_i2c,
+ },
+};
+
+/**
+ * snd_soc_codec_set_cache_io: Set up standard I/O functions.
+ *
+ * @codec: CODEC to configure.
+ * @addr_bits: Number of bits of register address data.
+ * @data_bits: Number of bits of data per register.
+ * @control: Control bus used.
+ *
+ * Register formats are frequently shared between many I2C and SPI
+ * devices. In order to promote code reuse the ASoC core provides
+ * some standard implementations of CODEC read and write operations
+ * which can be set up using this function.
+ *
+ * The caller is responsible for allocating and initialising the
+ * actual cache.
+ *
+ * Note that at present this code cannot be used by CODECs with
+ * volatile registers.
+ */
+int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
+ int addr_bits, int data_bits,
+ enum snd_soc_control_type control)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(io_types); i++)
+ if (io_types[i].addr_bits == addr_bits &&
+ io_types[i].data_bits == data_bits)
+ break;
+ if (i == ARRAY_SIZE(io_types)) {
+ printk(KERN_ERR
+ "No I/O functions for %d bit address %d bit data\n",
+ addr_bits, data_bits);
+ return -EINVAL;
+ }
+
+ codec->write = io_types[i].write;
+ codec->read = hw_read;
+ codec->bulk_write_raw = snd_soc_hw_bulk_write_raw;
+
+ switch (control) {
+ case SND_SOC_I2C:
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+ codec->hw_write = (hw_write_t)i2c_master_send;
+#endif
+ if (io_types[i].i2c_read)
+ codec->hw_read = io_types[i].i2c_read;
+
+ codec->control_data = container_of(codec->dev,
+ struct i2c_client,
+ dev);
+ break;
+
+ case SND_SOC_SPI:
+#ifdef CONFIG_SPI_MASTER
+ codec->hw_write = do_spi_write;
+#endif
+
+ codec->control_data = container_of(codec->dev,
+ struct spi_device,
+ dev);
+ break;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
+
--- /dev/null
+/*
+ * soc-pcm.c -- ALSA SoC PCM
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ * Copyright (C) 2010 Slimlogic Ltd.
+ * Copyright (C) 2010 Texas Instruments Inc.
+ *
+ * Authors: Liam Girdwood <lrg@ti.com>
+ * Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/initval.h>
+
+static DEFINE_MUTEX(pcm_mutex);
+
+static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream)
+{
+ 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;
+ int ret;
+
+ if (!codec_dai->driver->symmetric_rates &&
+ !cpu_dai->driver->symmetric_rates &&
+ !rtd->dai_link->symmetric_rates)
+ return 0;
+
+ /* This can happen if multiple streams are starting simultaneously -
+ * the second can need to get its constraints before the first has
+ * picked a rate. Complain and allow the application to carry on.
+ */
+ if (!rtd->rate) {
+ dev_warn(&rtd->dev,
+ "Not enforcing symmetric_rates due to race\n");
+ return 0;
+ }
+
+ dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n", rtd->rate);
+
+ ret = snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE,
+ rtd->rate, rtd->rate);
+ if (ret < 0) {
+ dev_err(&rtd->dev,
+ "Unable to apply rate symmetry constraint: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/*
+ * Called by ALSA when a PCM substream is opened, the runtime->hw record is
+ * then initialized and any private data can be allocated. This also calls
+ * startup for the cpu DAI, platform, machine and codec DAI.
+ */
+static int soc_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
+ struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver;
+ int ret = 0;
+
+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+ /* startup the audio subsystem */
+ if (cpu_dai->driver->ops->startup) {
+ ret = cpu_dai->driver->ops->startup(substream, cpu_dai);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't open interface %s\n",
+ cpu_dai->name);
+ goto out;
+ }
+ }
+
+ if (platform->driver->ops && platform->driver->ops->open) {
+ ret = platform->driver->ops->open(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't open platform %s\n", platform->name);
+ goto platform_err;
+ }
+ }
+
+ if (codec_dai->driver->ops->startup) {
+ ret = codec_dai->driver->ops->startup(substream, codec_dai);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't open codec %s\n",
+ codec_dai->name);
+ goto codec_dai_err;
+ }
+ }
+
+ if (rtd->dai_link->ops && rtd->dai_link->ops->startup) {
+ ret = rtd->dai_link->ops->startup(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: %s startup failed\n", rtd->dai_link->name);
+ goto machine_err;
+ }
+ }
+
+ /* Check that the codec and cpu DAIs are compatible */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ runtime->hw.rate_min =
+ max(codec_dai_drv->playback.rate_min,
+ cpu_dai_drv->playback.rate_min);
+ runtime->hw.rate_max =
+ min(codec_dai_drv->playback.rate_max,
+ cpu_dai_drv->playback.rate_max);
+ runtime->hw.channels_min =
+ max(codec_dai_drv->playback.channels_min,
+ cpu_dai_drv->playback.channels_min);
+ runtime->hw.channels_max =
+ min(codec_dai_drv->playback.channels_max,
+ cpu_dai_drv->playback.channels_max);
+ runtime->hw.formats =
+ codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats;
+ runtime->hw.rates =
+ codec_dai_drv->playback.rates & cpu_dai_drv->playback.rates;
+ if (codec_dai_drv->playback.rates
+ & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+ runtime->hw.rates |= cpu_dai_drv->playback.rates;
+ if (cpu_dai_drv->playback.rates
+ & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+ runtime->hw.rates |= codec_dai_drv->playback.rates;
+ } else {
+ runtime->hw.rate_min =
+ max(codec_dai_drv->capture.rate_min,
+ cpu_dai_drv->capture.rate_min);
+ runtime->hw.rate_max =
+ min(codec_dai_drv->capture.rate_max,
+ cpu_dai_drv->capture.rate_max);
+ runtime->hw.channels_min =
+ max(codec_dai_drv->capture.channels_min,
+ cpu_dai_drv->capture.channels_min);
+ runtime->hw.channels_max =
+ min(codec_dai_drv->capture.channels_max,
+ cpu_dai_drv->capture.channels_max);
+ runtime->hw.formats =
+ codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats;
+ runtime->hw.rates =
+ codec_dai_drv->capture.rates & cpu_dai_drv->capture.rates;
+ if (codec_dai_drv->capture.rates
+ & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+ runtime->hw.rates |= cpu_dai_drv->capture.rates;
+ if (cpu_dai_drv->capture.rates
+ & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
+ runtime->hw.rates |= codec_dai_drv->capture.rates;
+ }
+
+ ret = -EINVAL;
+ snd_pcm_limit_hw_rates(runtime);
+ if (!runtime->hw.rates) {
+ printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
+ codec_dai->name, cpu_dai->name);
+ goto config_err;
+ }
+ if (!runtime->hw.formats) {
+ printk(KERN_ERR "asoc: %s <-> %s No matching formats\n",
+ codec_dai->name, cpu_dai->name);
+ goto config_err;
+ }
+ if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
+ runtime->hw.channels_min > runtime->hw.channels_max) {
+ printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
+ codec_dai->name, cpu_dai->name);
+ goto config_err;
+ }
+
+ /* Symmetry only applies if we've already got an active stream. */
+ if (cpu_dai->active || codec_dai->active) {
+ ret = soc_pcm_apply_symmetry(substream);
+ if (ret != 0)
+ goto config_err;
+ }
+
+ pr_debug("asoc: %s <-> %s info:\n",
+ codec_dai->name, cpu_dai->name);
+ pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates);
+ pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min,
+ runtime->hw.channels_max);
+ pr_debug("asoc: min rate %d max rate %d\n", runtime->hw.rate_min,
+ runtime->hw.rate_max);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ cpu_dai->playback_active++;
+ codec_dai->playback_active++;
+ } else {
+ cpu_dai->capture_active++;
+ codec_dai->capture_active++;
+ }
+ cpu_dai->active++;
+ codec_dai->active++;
+ rtd->codec->active++;
+ mutex_unlock(&rtd->pcm_mutex);
+ return 0;
+
+config_err:
+ if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
+ rtd->dai_link->ops->shutdown(substream);
+
+machine_err:
+ if (codec_dai->driver->ops->shutdown)
+ codec_dai->driver->ops->shutdown(substream, codec_dai);
+
+codec_dai_err:
+ if (platform->driver->ops && platform->driver->ops->close)
+ platform->driver->ops->close(substream);
+
+platform_err:
+ if (cpu_dai->driver->ops->shutdown)
+ cpu_dai->driver->ops->shutdown(substream, cpu_dai);
+out:
+ mutex_unlock(&rtd->pcm_mutex);
+ return ret;
+}
+
+/*
+ * Power down the audio subsystem pmdown_time msecs after close is called.
+ * This is to ensure there are no pops or clicks in between any music tracks
+ * due to DAPM power cycling.
+ */
+static void close_delayed_work(struct work_struct *work)
+{
+ struct snd_soc_pcm_runtime *rtd =
+ container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+ pr_debug("pop wq checking: %s status: %s waiting: %s\n",
+ codec_dai->driver->playback.stream_name,
+ codec_dai->playback_active ? "active" : "inactive",
+ codec_dai->pop_wait ? "yes" : "no");
+
+ /* are we waiting on this codec DAI stream */
+ if (codec_dai->pop_wait == 1) {
+ codec_dai->pop_wait = 0;
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->playback.stream_name,
+ SND_SOC_DAPM_STREAM_STOP);
+ }
+
+ mutex_unlock(&rtd->pcm_mutex);
+}
+
+/*
+ * Called by ALSA when a PCM substream is closed. Private data can be
+ * freed here. The cpu DAI, codec DAI, machine and platform are also
+ * shutdown.
+ */
+static int soc_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ cpu_dai->playback_active--;
+ codec_dai->playback_active--;
+ } else {
+ cpu_dai->capture_active--;
+ codec_dai->capture_active--;
+ }
+
+ cpu_dai->active--;
+ codec_dai->active--;
+ codec->active--;
+
+ /* Muting the DAC suppresses artifacts caused during digital
+ * shutdown, for example from stopping clocks.
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ snd_soc_dai_digital_mute(codec_dai, 1);
+
+ if (cpu_dai->driver->ops->shutdown)
+ cpu_dai->driver->ops->shutdown(substream, cpu_dai);
+
+ if (codec_dai->driver->ops->shutdown)
+ codec_dai->driver->ops->shutdown(substream, codec_dai);
+
+ if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
+ rtd->dai_link->ops->shutdown(substream);
+
+ if (platform->driver->ops && platform->driver->ops->close)
+ platform->driver->ops->close(substream);
+ cpu_dai->runtime = NULL;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ /* start delayed pop wq here for playback streams */
+ codec_dai->pop_wait = 1;
+ schedule_delayed_work(&rtd->delayed_work,
+ msecs_to_jiffies(rtd->pmdown_time));
+ } else {
+ /* capture streams can be powered down now */
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->capture.stream_name,
+ SND_SOC_DAPM_STREAM_STOP);
+ }
+
+ mutex_unlock(&rtd->pcm_mutex);
+ return 0;
+}
+
+/*
+ * Called by ALSA when the PCM substream is prepared, can set format, sample
+ * rate, etc. This function is non atomic and can be called multiple times,
+ * it can refer to the runtime info.
+ */
+static int soc_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret = 0;
+
+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+ if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) {
+ ret = rtd->dai_link->ops->prepare(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: machine prepare error\n");
+ goto out;
+ }
+ }
+
+ if (platform->driver->ops && platform->driver->ops->prepare) {
+ ret = platform->driver->ops->prepare(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: platform prepare error\n");
+ goto out;
+ }
+ }
+
+ if (codec_dai->driver->ops->prepare) {
+ ret = codec_dai->driver->ops->prepare(substream, codec_dai);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: codec DAI prepare error\n");
+ goto out;
+ }
+ }
+
+ if (cpu_dai->driver->ops->prepare) {
+ ret = cpu_dai->driver->ops->prepare(substream, cpu_dai);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: cpu DAI prepare error\n");
+ goto out;
+ }
+ }
+
+ /* cancel any delayed stream shutdown that is pending */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
+ codec_dai->pop_wait) {
+ codec_dai->pop_wait = 0;
+ cancel_delayed_work(&rtd->delayed_work);
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->playback.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+ else
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->capture.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+
+ snd_soc_dai_digital_mute(codec_dai, 0);
+
+out:
+ mutex_unlock(&rtd->pcm_mutex);
+ return ret;
+}
+
+/*
+ * Called by ALSA when the hardware params are set by application. This
+ * function can also be called multiple times and can allocate buffers
+ * (using snd_pcm_lib_* ). It's non-atomic.
+ */
+static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret = 0;
+
+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+ if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) {
+ ret = rtd->dai_link->ops->hw_params(substream, params);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: machine hw_params failed\n");
+ goto out;
+ }
+ }
+
+ if (codec_dai->driver->ops->hw_params) {
+ ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't set codec %s hw params\n",
+ codec_dai->name);
+ goto codec_err;
+ }
+ }
+
+ if (cpu_dai->driver->ops->hw_params) {
+ ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: interface %s hw params failed\n",
+ cpu_dai->name);
+ goto interface_err;
+ }
+ }
+
+ if (platform->driver->ops && platform->driver->ops->hw_params) {
+ ret = platform->driver->ops->hw_params(substream, params);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: platform %s hw params failed\n",
+ platform->name);
+ goto platform_err;
+ }
+ }
+
+ rtd->rate = params_rate(params);
+
+out:
+ mutex_unlock(&rtd->pcm_mutex);
+ return ret;
+
+platform_err:
+ if (cpu_dai->driver->ops->hw_free)
+ cpu_dai->driver->ops->hw_free(substream, cpu_dai);
+
+interface_err:
+ if (codec_dai->driver->ops->hw_free)
+ codec_dai->driver->ops->hw_free(substream, codec_dai);
+
+codec_err:
+ if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
+ rtd->dai_link->ops->hw_free(substream);
+
+ mutex_unlock(&rtd->pcm_mutex);
+ return ret;
+}
+
+/*
+ * Frees resources allocated by hw_params, can be called multiple times
+ */
+static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+ /* apply codec digital mute */
+ if (!codec->active)
+ snd_soc_dai_digital_mute(codec_dai, 1);
+
+ /* free any machine hw params */
+ if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
+ rtd->dai_link->ops->hw_free(substream);
+
+ /* free any DMA resources */
+ if (platform->driver->ops && platform->driver->ops->hw_free)
+ platform->driver->ops->hw_free(substream);
+
+ /* now free hw params for the DAIs */
+ if (codec_dai->driver->ops->hw_free)
+ codec_dai->driver->ops->hw_free(substream, codec_dai);
+
+ if (cpu_dai->driver->ops->hw_free)
+ cpu_dai->driver->ops->hw_free(substream, cpu_dai);
+
+ mutex_unlock(&rtd->pcm_mutex);
+ return 0;
+}
+
+static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ if (codec_dai->driver->ops->trigger) {
+ ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (platform->driver->ops && platform->driver->ops->trigger) {
+ ret = platform->driver->ops->trigger(substream, cmd);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (cpu_dai->driver->ops->trigger) {
+ ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+/*
+ * soc level wrapper for pointer callback
+ * If cpu_dai, codec_dai, platform driver has the delay callback, than
+ * the runtime->delay will be updated accordingly.
+ */
+static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ snd_pcm_uframes_t offset = 0;
+ snd_pcm_sframes_t delay = 0;
+
+ if (platform->driver->ops && platform->driver->ops->pointer)
+ offset = platform->driver->ops->pointer(substream);
+
+ if (cpu_dai->driver->ops->delay)
+ delay += cpu_dai->driver->ops->delay(substream, cpu_dai);
+
+ if (codec_dai->driver->ops->delay)
+ delay += codec_dai->driver->ops->delay(substream, codec_dai);
+
+ if (platform->driver->delay)
+ delay += platform->driver->delay(substream, codec_dai);
+
+ runtime->delay = delay;
+
+ return offset;
+}
+
+/* ASoC PCM operations */
+static struct snd_pcm_ops soc_pcm_ops = {
+ .open = soc_pcm_open,
+ .close = soc_pcm_close,
+ .hw_params = soc_pcm_hw_params,
+ .hw_free = soc_pcm_hw_free,
+ .prepare = soc_pcm_prepare,
+ .trigger = soc_pcm_trigger,
+ .pointer = soc_pcm_pointer,
+};
+
+/* create a new pcm */
+int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_pcm *pcm;
+ char new_name[64];
+ int ret = 0, playback = 0, capture = 0;
+
+ /* check client and interface hw capabilities */
+ snprintf(new_name, sizeof(new_name), "%s %s-%d",
+ rtd->dai_link->stream_name, codec_dai->name, num);
+
+ if (codec_dai->driver->playback.channels_min)
+ playback = 1;
+ if (codec_dai->driver->capture.channels_min)
+ capture = 1;
+
+ dev_dbg(rtd->card->dev, "registered pcm #%d %s\n",num,new_name);
+ ret = snd_pcm_new(rtd->card->snd_card, new_name,
+ num, playback, capture, &pcm);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't create pcm for codec %s\n", codec->name);
+ return ret;
+ }
+
+ /* DAPM dai link stream work */
+ INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
+
+ rtd->pcm = pcm;
+ pcm->private_data = rtd;
+ if (platform->driver->ops) {
+ soc_pcm_ops.mmap = platform->driver->ops->mmap;
+ soc_pcm_ops.pointer = platform->driver->ops->pointer;
+ soc_pcm_ops.ioctl = platform->driver->ops->ioctl;
+ soc_pcm_ops.copy = platform->driver->ops->copy;
+ soc_pcm_ops.silence = platform->driver->ops->silence;
+ soc_pcm_ops.ack = platform->driver->ops->ack;
+ soc_pcm_ops.page = platform->driver->ops->page;
+ }
+
+ if (playback)
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops);
+
+ if (capture)
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops);
+
+ if (platform->driver->pcm_new) {
+ ret = platform->driver->pcm_new(rtd);
+ if (ret < 0) {
+ pr_err("asoc: platform pcm constructor failed\n");
+ return ret;
+ }
+ }
+
+ pcm->private_free = platform->driver->pcm_free;
+ printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name,
+ cpu_dai->name);
+ return ret;
+}
static u64 tegra_dma_mask = DMA_BIT_MASK(32);
-static int tegra_pcm_new(struct snd_card *card,
- struct snd_soc_dai *dai, struct snd_pcm *pcm)
+static int tegra_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
}
machine->gpio_requested |= GPIO_HP_MUTE;
- gpio_direction_output(pdata->gpio_hp_mute, 0);
+ gpio_direction_output(pdata->gpio_hp_mute, 1);
}
if (gpio_is_valid(pdata->gpio_int_mic_en)) {
snd_pcm_lib_preallocate_free_for_all(pcm);
}
-static int txx9aclc_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+static int txx9aclc_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
struct platform_device *pdev = to_platform_device(dai->platform->dev);
struct txx9aclc_soc_device *dev;
struct resource *r;
git.openpandora.org / pandora-kernel.git / commitdiff