struct snd_soc_dai *);
int (*trigger)(struct snd_pcm_substream *, int,
struct snd_soc_dai *);
+ /*
+ * For hardware based FIFO caused delay reporting.
+ * Optional.
+ */
+ snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
+ struct snd_soc_dai *);
};
/*
unsigned int symmetric_rates:1;
/* DAI runtime info */
- struct snd_pcm_runtime *runtime;
struct snd_soc_codec *codec;
unsigned int active;
unsigned char pop_wait:1;
unsigned char ext:1; /* has external widgets */
unsigned char muted:1; /* muted for pop reduction */
unsigned char suspend:1; /* was active before suspend */
- unsigned char pmdown:1; /* waiting for timeout */
int (*power_check)(struct snd_soc_dapm_widget *w);
struct snd_soc_pcm_runtime;
struct snd_soc_dai;
struct snd_soc_platform;
+struct snd_soc_dai_link;
struct snd_soc_codec;
struct soc_enum;
struct snd_soc_ac97_ops;
unsigned int rate_max; /* max rate */
unsigned int channels_min; /* min channels */
unsigned int channels_max; /* max channels */
- unsigned int active:1; /* stream is in use */
+ unsigned int active; /* num of active users of the stream */
};
/* SoC audio ops */
int (*probe)(struct platform_device *pdev);
int (*remove)(struct platform_device *pdev);
- int (*suspend)(struct snd_soc_dai *dai);
- int (*resume)(struct snd_soc_dai *dai);
+ int (*suspend)(struct snd_soc_dai_link *dai_link);
+ int (*resume)(struct snd_soc_dai_link *dai_link);
/* pcm creation and destruction */
int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
struct snd_pcm *);
void (*pcm_free)(struct snd_pcm *);
+ /*
+ * For platform caused delay reporting.
+ * Optional.
+ */
+ snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
+ struct snd_soc_dai *);
+
/* platform stream ops */
struct snd_pcm_ops *pcm_ops;
};
--- /dev/null
+/*
+ * wm8960.h -- WM8960 Soc Audio driver platform data
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8960_PDATA_H
+#define _WM8960_PDATA_H
+
+#define WM8960_DRES_400R 0
+#define WM8960_DRES_200R 1
+#define WM8960_DRES_600R 2
+#define WM8960_DRES_150R 3
+#define WM8960_DRES_MAX 3
+
+struct wm8960_data {
+ bool capless; /* Headphone outputs configured in capless mode */
+
+ int dres; /* Discharge resistance for headphone outputs */
+};
+
+#endif
}
#ifdef CONFIG_PM
-static int atmel_pcm_suspend(struct snd_soc_dai *dai)
+static int atmel_pcm_suspend(struct snd_soc_dai_link *dai_link)
{
- struct snd_pcm_runtime *runtime = dai->runtime;
+ struct snd_pcm *pcm = dai_link->pcm;
+ struct snd_pcm_str *stream = &pcm->streams[0];
+ struct snd_pcm_substream *substream = stream->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
struct atmel_runtime_data *prtd;
struct atmel_pcm_dma_params *params;
return 0;
}
-static int atmel_pcm_resume(struct snd_soc_dai *dai)
+static int atmel_pcm_resume(struct snd_soc_dai_link *dai_link)
{
- struct snd_pcm_runtime *runtime = dai->runtime;
+ struct snd_pcm *pcm = dai_link->pcm;
+ struct snd_pcm_str *stream = &pcm->streams[0];
+ struct snd_pcm_substream *substream = stream->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
struct atmel_runtime_data *prtd;
struct atmel_pcm_dma_params *params;
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <asm/dma.h>
-
-struct sport_register {
- u16 tcr1; u16 reserved0;
- u16 tcr2; u16 reserved1;
- u16 tclkdiv; u16 reserved2;
- u16 tfsdiv; u16 reserved3;
- u32 tx;
- u32 reserved_l0;
- u32 rx;
- u32 reserved_l1;
- u16 rcr1; u16 reserved4;
- u16 rcr2; u16 reserved5;
- u16 rclkdiv; u16 reserved6;
- u16 rfsdiv; u16 reserved7;
- u16 stat; u16 reserved8;
- u16 chnl; u16 reserved9;
- u16 mcmc1; u16 reserved10;
- u16 mcmc2; u16 reserved11;
- u32 mtcs0;
- u32 mtcs1;
- u32 mtcs2;
- u32 mtcs3;
- u32 mrcs0;
- u32 mrcs1;
- u32 mrcs2;
- u32 mrcs3;
-};
+#include <asm/bfin_sport.h>
#define DESC_ELEMENT_COUNT 9
/* INMIX_R bit fields */
#define DA7210_IN_R_EN (1 << 7)
-/* ADC_HPF bit fields */
-#define DA7210_ADC_VOICE_EN (1 << 7)
-
/* ADC bit fields */
#define DA7210_ADC_L_EN (1 << 3)
#define DA7210_ADC_R_EN (1 << 7)
-/* DAC_HPF fields */
-#define DA7210_DAC_VOICE_EN (1 << 7)
+/* DAC/ADC HPF fields */
+#define DA7210_VOICE_F0_MASK (0x7 << 4)
+#define DA7210_VOICE_F0_25 (1 << 4)
+#define DA7210_VOICE_EN (1 << 7)
/* DAC_SEL bit fields */
#define DA7210_DAC_L_SRC_DAI_L (4 << 0)
#define DA7210_PLL_BYP (1 << 6)
/* PLL bit fields */
-#define DA7210_PLL_FS_48000 (11 << 0)
+#define DA7210_PLL_FS_MASK (0xF << 0)
+#define DA7210_PLL_FS_8000 (0x1 << 0)
+#define DA7210_PLL_FS_12000 (0x3 << 0)
+#define DA7210_PLL_FS_16000 (0x5 << 0)
+#define DA7210_PLL_FS_24000 (0x7 << 0)
+#define DA7210_PLL_FS_32000 (0x9 << 0)
+#define DA7210_PLL_FS_48000 (0xB << 0)
+#define DA7210_PLL_FS_96000 (0xF << 0)
+
#define DA7210_VERSION "0.0.1"
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
u32 dai_cfg1;
- u32 reg, mask;
+ u32 hpf_reg, hpf_mask, hpf_value;
+ u32 fs;
/* set DAI source to Left and Right ADC */
da7210_write(codec, DA7210_DAI_SRC_SEL,
da7210_write(codec, DA7210_DAI_CFG1, dai_cfg1);
- /* FIXME
- *
- * It support 48K only now
- */
+ hpf_reg = (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) ?
+ DA7210_DAC_HPF : DA7210_ADC_HPF;
+
switch (params_rate(params)) {
+ case 8000:
+ fs = DA7210_PLL_FS_8000;
+ hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
+ hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
+ break;
+ case 12000:
+ fs = DA7210_PLL_FS_12000;
+ hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
+ hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
+ break;
+ case 16000:
+ fs = DA7210_PLL_FS_16000;
+ hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
+ hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
+ break;
+ case 32000:
+ fs = DA7210_PLL_FS_32000;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ break;
case 48000:
- if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) {
- reg = DA7210_DAC_HPF;
- mask = DA7210_DAC_VOICE_EN;
- } else {
- reg = DA7210_ADC_HPF;
- mask = DA7210_ADC_VOICE_EN;
- }
+ fs = DA7210_PLL_FS_48000;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ break;
+ case 96000:
+ fs = DA7210_PLL_FS_96000;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
break;
default:
return -EINVAL;
}
- snd_soc_update_bits(codec, reg, mask, 0);
+ snd_soc_update_bits(codec, hpf_reg, hpf_mask, hpf_value);
+ snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs);
return 0;
}
SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
+SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 7, 1, 0),
SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1),
SOC_SINGLE("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1),
reg = ssm2602_read_reg_cache(codec, SSM2602_ROUT1V);
ssm2602_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
/*select Line in as default input*/
- ssm2602_write(codec, SSM2602_APANA,
- APANA_ENABLE_MIC_BOOST2 | APANA_SELECT_DAC |
+ ssm2602_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
APANA_ENABLE_MIC_BOOST);
ssm2602_write(codec, SSM2602_PWR, 0);
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
+#include <sound/wm8960.h>
#include "wm8960.h"
struct snd_soc_codec_device soc_codec_dev_wm8960;
/* R25 - Power 1 */
+#define WM8960_VMID_MASK 0x180
#define WM8960_VREF 0x40
+/* R26 - Power 2 */
+#define WM8960_PWR2_LOUT1 0x40
+#define WM8960_PWR2_ROUT1 0x20
+#define WM8960_PWR2_OUT3 0x02
+
/* R28 - Anti-pop 1 */
#define WM8960_POBCTRL 0x80
#define WM8960_BUFDCOPEN 0x10
/* R29 - Anti-pop 2 */
#define WM8960_DISOP 0x40
+#define WM8960_DRES_MASK 0x30
/*
* wm8960 register cache
struct wm8960_priv {
u16 reg_cache[WM8960_CACHEREGNUM];
struct snd_soc_codec codec;
+ struct snd_soc_dapm_widget *lout1;
+ struct snd_soc_dapm_widget *rout1;
+ struct snd_soc_dapm_widget *out3;
};
#define wm8960_reset(c) snd_soc_write(c, WM8960_RESET, 0)
&wm8960_routput_mixer[0],
ARRAY_SIZE(wm8960_routput_mixer)),
-SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
- &wm8960_mono_out[0],
- ARRAY_SIZE(wm8960_mono_out)),
-
SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0),
SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0),
SND_SOC_DAPM_OUTPUT("OUT3"),
};
+static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = {
+SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
+ &wm8960_mono_out[0],
+ ARRAY_SIZE(wm8960_mono_out)),
+};
+
+/* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */
+static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = {
+SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
+};
+
static const struct snd_soc_dapm_route audio_paths[] = {
{ "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
{ "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
{ "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } ,
{ "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
- { "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
- { "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
-
{ "LOUT1 PGA", NULL, "Left Output Mixer" },
{ "ROUT1 PGA", NULL, "Right Output Mixer" },
{ "SPK_LP", NULL, "Left Speaker Output" },
{ "SPK_RN", NULL, "Right Speaker Output" },
{ "SPK_RP", NULL, "Right Speaker Output" },
+};
+
+static const struct snd_soc_dapm_route audio_paths_out3[] = {
+ { "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
+ { "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
{ "OUT3", NULL, "Mono Output Mixer", }
};
+static const struct snd_soc_dapm_route audio_paths_capless[] = {
+ { "HP_L", NULL, "OUT3 VMID" },
+ { "HP_R", NULL, "OUT3 VMID" },
+
+ { "OUT3 VMID", NULL, "Left Output Mixer" },
+ { "OUT3 VMID", NULL, "Right Output Mixer" },
+};
+
static int wm8960_add_widgets(struct snd_soc_codec *codec)
{
+ struct wm8960_data *pdata = codec->dev->platform_data;
+ struct wm8960_priv *wm8960 = codec->private_data;
+ struct snd_soc_dapm_widget *w;
+
snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets,
ARRAY_SIZE(wm8960_dapm_widgets));
snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
+ /* In capless mode OUT3 is used to provide VMID for the
+ * headphone outputs, otherwise it is used as a mono mixer.
+ */
+ if (pdata && pdata->capless) {
+ snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_capless,
+ ARRAY_SIZE(wm8960_dapm_widgets_capless));
+
+ snd_soc_dapm_add_routes(codec, audio_paths_capless,
+ ARRAY_SIZE(audio_paths_capless));
+ } else {
+ snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_out3,
+ ARRAY_SIZE(wm8960_dapm_widgets_out3));
+
+ snd_soc_dapm_add_routes(codec, audio_paths_out3,
+ ARRAY_SIZE(audio_paths_out3));
+ }
+
+ /* We need to power up the headphone output stage out of
+ * sequence for capless mode. To save scanning the widget
+ * list each time to find the desired power state do so now
+ * and save the result.
+ */
+ list_for_each_entry(w, &codec->dapm_widgets, list) {
+ if (strcmp(w->name, "LOUT1 PGA") == 0)
+ wm8960->lout1 = w;
+ if (strcmp(w->name, "ROUT1 PGA") == 0)
+ wm8960->rout1 = w;
+ if (strcmp(w->name, "OUT3 VMID") == 0)
+ wm8960->out3 = w;
+ }
+
return 0;
}
return 0;
}
-static int wm8960_set_bias_level(struct snd_soc_codec *codec,
- enum snd_soc_bias_level level)
+static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
{
- struct wm8960_data *pdata = codec->dev->platform_data;
u16 reg;
switch (level) {
if (codec->bias_level == SND_SOC_BIAS_OFF) {
/* Enable anti-pop features */
snd_soc_write(codec, WM8960_APOP1,
- WM8960_POBCTRL | WM8960_SOFT_ST |
- WM8960_BUFDCOPEN | WM8960_BUFIOEN);
-
- /* Discharge HP output */
- reg = WM8960_DISOP;
- if (pdata)
- reg |= pdata->dres << 4;
- snd_soc_write(codec, WM8960_APOP2, reg);
-
- msleep(400);
-
- snd_soc_write(codec, WM8960_APOP2, 0);
+ WM8960_POBCTRL | WM8960_SOFT_ST |
+ WM8960_BUFDCOPEN | WM8960_BUFIOEN);
/* Enable & ramp VMID at 2x50k */
reg = snd_soc_read(codec, WM8960_POWER1);
/* Disable VMID and VREF, let them discharge */
snd_soc_write(codec, WM8960_POWER1, 0);
msleep(600);
+ break;
+ }
+
+ codec->bias_level = level;
+
+ return 0;
+}
+
+static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct wm8960_priv *wm8960 = codec->private_data;
+ int reg;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ switch (codec->bias_level) {
+ case SND_SOC_BIAS_STANDBY:
+ /* Enable anti pop mode */
+ snd_soc_update_bits(codec, WM8960_APOP1,
+ WM8960_POBCTRL | WM8960_SOFT_ST |
+ WM8960_BUFDCOPEN,
+ WM8960_POBCTRL | WM8960_SOFT_ST |
+ WM8960_BUFDCOPEN);
+
+ /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */
+ reg = 0;
+ if (wm8960->lout1 && wm8960->lout1->power)
+ reg |= WM8960_PWR2_LOUT1;
+ if (wm8960->rout1 && wm8960->rout1->power)
+ reg |= WM8960_PWR2_ROUT1;
+ if (wm8960->out3 && wm8960->out3->power)
+ reg |= WM8960_PWR2_OUT3;
+ snd_soc_update_bits(codec, WM8960_POWER2,
+ WM8960_PWR2_LOUT1 |
+ WM8960_PWR2_ROUT1 |
+ WM8960_PWR2_OUT3, reg);
+
+ /* Enable VMID at 2*50k */
+ snd_soc_update_bits(codec, WM8960_POWER1,
+ WM8960_VMID_MASK, 0x80);
+
+ /* Ramp */
+ msleep(100);
+
+ /* Enable VREF */
+ snd_soc_update_bits(codec, WM8960_POWER1,
+ WM8960_VREF, WM8960_VREF);
+
+ msleep(100);
+ break;
+
+ case SND_SOC_BIAS_ON:
+ /* Enable anti-pop mode */
+ snd_soc_update_bits(codec, WM8960_APOP1,
+ WM8960_POBCTRL | WM8960_SOFT_ST |
+ WM8960_BUFDCOPEN,
+ WM8960_POBCTRL | WM8960_SOFT_ST |
+ WM8960_BUFDCOPEN);
+
+ /* Disable VMID and VREF */
+ snd_soc_update_bits(codec, WM8960_POWER1,
+ WM8960_VREF | WM8960_VMID_MASK, 0);
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ switch (codec->bias_level) {
+ case SND_SOC_BIAS_PREPARE:
+ /* Disable HP discharge */
+ snd_soc_update_bits(codec, WM8960_APOP2,
+ WM8960_DISOP | WM8960_DRES_MASK,
+ 0);
+
+ /* Disable anti-pop features */
+ snd_soc_update_bits(codec, WM8960_APOP1,
+ WM8960_POBCTRL | WM8960_SOFT_ST |
+ WM8960_BUFDCOPEN,
+ WM8960_POBCTRL | WM8960_SOFT_ST |
+ WM8960_BUFDCOPEN);
+ break;
+
+ default:
+ break;
+ }
+ break;
- snd_soc_write(codec, WM8960_APOP1, 0);
+ case SND_SOC_BIAS_OFF:
break;
}
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
- wm8960_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ codec->set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
codec->hw_write(codec->control_data, data, 2);
}
- wm8960_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- wm8960_set_bias_level(codec, codec->suspend_bias_level);
+ codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ codec->set_bias_level(codec, codec->suspend_bias_level);
return 0;
}
goto err;
}
+ codec->set_bias_level = wm8960_set_bias_level_out3;
+
if (!pdata) {
dev_warn(codec->dev, "No platform data supplied\n");
} else {
dev_err(codec->dev, "Invalid DRES: %d\n", pdata->dres);
pdata->dres = 0;
}
+
+ if (pdata->capless)
+ codec->set_bias_level = wm8960_set_bias_level_capless;
}
mutex_init(&codec->mutex);
codec->name = "WM8960";
codec->owner = THIS_MODULE;
codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8960_set_bias_level;
codec->dai = &wm8960_dai;
codec->num_dai = 1;
codec->reg_cache_size = WM8960_CACHEREGNUM;
wm8960_dai.dev = codec->dev;
- wm8960_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Latch the update bits */
reg = snd_soc_read(codec, WM8960_LINVOL);
static void wm8960_unregister(struct wm8960_priv *wm8960)
{
- wm8960_set_bias_level(&wm8960->codec, SND_SOC_BIAS_OFF);
+ wm8960->codec.set_bias_level(&wm8960->codec, SND_SOC_BIAS_OFF);
snd_soc_unregister_dai(&wm8960_dai);
snd_soc_unregister_codec(&wm8960->codec);
kfree(wm8960);
static struct i2c_driver wm8960_i2c_driver = {
.driver = {
- .name = "WM8960 I2C Codec",
+ .name = "wm8960",
.owner = THIS_MODULE,
},
.probe = wm8960_i2c_probe,
extern struct snd_soc_dai wm8960_dai;
extern struct snd_soc_codec_device soc_codec_dev_wm8960;
-#define WM8960_DRES_400R 0
-#define WM8960_DRES_200R 1
-#define WM8960_DRES_600R 2
-#define WM8960_DRES_150R 3
-#define WM8960_DRES_MAX 3
-
-struct wm8960_data {
- int dres;
-};
-
#endif
return 0;
}
+static int evm_spdif_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->dai->cpu_dai;
+
+ /* set cpu DAI configuration */
+ return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
+}
+
static struct snd_soc_ops evm_ops = {
.hw_params = evm_hw_params,
};
+static struct snd_soc_ops evm_spdif_ops = {
+ .hw_params = evm_spdif_hw_params,
+};
+
/* davinci-evm machine dapm widgets */
static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
.stream_name = "spdif",
.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_DIT_DAI],
.codec_dai = &dit_stub_dai,
- .ops = &evm_ops,
+ .ops = &evm_spdif_ops,
},
};
static struct snd_soc_dai_link da8xx_evm_dai = {
config SND_MXC_SOC_SSI
tristate
+config SND_MXC_SOC_WM1133_EV1
+ tristate "Audio on the the i.MX31ADS with WM1133-EV1 fitted"
+ depends on SND_IMX_SOC && EXPERIMENTAL
+ select SND_SOC_WM8350
+ select SND_MXC_SOC_SSI
+ help
+ Enable support for audio on the i.MX31ADS with the WM1133-EV1
+ PMIC board with WM8835x fitted.
# i.MX Machine Support
snd-soc-phycore-ac97-objs := phycore-ac97.o
+snd-soc-wm1133-ev1-objs := wm1133-ev1.o
+
obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o
+obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o
--- /dev/null
+/*
+ * wm1133-ev1.c - Audio for WM1133-EV1 on i.MX31ADS
+ *
+ * Copyright (c) 2010 Wolfson Microelectronics plc
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * Based on an earlier driver for the same hardware by Liam Girdwood.
+ *
+ * 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/platform_device.h>
+#include <linux/clk.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <mach/audmux.h>
+
+#include "imx-ssi.h"
+#include "../codecs/wm8350.h"
+
+/* There is a silicon mic on the board optionally connected via a solder pad
+ * SP1. Define this to enable it.
+ */
+#undef USE_SIMIC
+
+struct _wm8350_audio {
+ unsigned int channels;
+ snd_pcm_format_t format;
+ unsigned int rate;
+ unsigned int sysclk;
+ unsigned int bclkdiv;
+ unsigned int clkdiv;
+ unsigned int lr_rate;
+};
+
+/* in order of power consumption per rate (lowest first) */
+static const struct _wm8350_audio wm8350_audio[] = {
+ /* 16bit mono modes */
+ {1, SNDRV_PCM_FORMAT_S16_LE, 8000, 12288000 >> 1,
+ WM8350_BCLK_DIV_48, WM8350_DACDIV_3, 16,},
+
+ /* 16 bit stereo modes */
+ {2, SNDRV_PCM_FORMAT_S16_LE, 8000, 12288000,
+ WM8350_BCLK_DIV_48, WM8350_DACDIV_6, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 16000, 12288000,
+ WM8350_BCLK_DIV_24, WM8350_DACDIV_3, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 32000, 12288000,
+ WM8350_BCLK_DIV_12, WM8350_DACDIV_1_5, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 48000, 12288000,
+ WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 96000, 24576000,
+ WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 11025, 11289600,
+ WM8350_BCLK_DIV_32, WM8350_DACDIV_4, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 22050, 11289600,
+ WM8350_BCLK_DIV_16, WM8350_DACDIV_2, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 44100, 11289600,
+ WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
+ {2, SNDRV_PCM_FORMAT_S16_LE, 88200, 22579200,
+ WM8350_BCLK_DIV_8, WM8350_DACDIV_1, 32,},
+
+ /* 24bit stereo modes */
+ {2, SNDRV_PCM_FORMAT_S24_LE, 48000, 12288000,
+ WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
+ {2, SNDRV_PCM_FORMAT_S24_LE, 96000, 24576000,
+ WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
+ {2, SNDRV_PCM_FORMAT_S24_LE, 44100, 11289600,
+ WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
+ {2, SNDRV_PCM_FORMAT_S24_LE, 88200, 22579200,
+ WM8350_BCLK_DIV_4, WM8350_DACDIV_1, 64,},
+};
+
+static int wm1133_ev1_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 *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+ int i, found = 0;
+ snd_pcm_format_t format = params_format(params);
+ unsigned int rate = params_rate(params);
+ unsigned int channels = params_channels(params);
+ u32 dai_format;
+
+ /* find the correct audio parameters */
+ for (i = 0; i < ARRAY_SIZE(wm8350_audio); i++) {
+ if (rate == wm8350_audio[i].rate &&
+ format == wm8350_audio[i].format &&
+ channels == wm8350_audio[i].channels) {
+ found = 1;
+ break;
+ }
+ }
+ if (!found)
+ return -EINVAL;
+
+ /* codec FLL input is 14.75 MHz from MCLK */
+ snd_soc_dai_set_pll(codec_dai, 0, 0, 14750000, wm8350_audio[i].sysclk);
+
+ dai_format = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM;
+
+ /* set codec DAI configuration */
+ snd_soc_dai_set_fmt(codec_dai, dai_format);
+
+ /* set cpu DAI configuration */
+ snd_soc_dai_set_fmt(cpu_dai, dai_format);
+
+ /* TODO: The SSI driver should figure this out for us */
+ switch (channels) {
+ case 2:
+ snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0);
+ break;
+ case 1:
+ snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffe, 0xffffffe, 1, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* set MCLK as the codec system clock for DAC and ADC */
+ snd_soc_dai_set_sysclk(codec_dai, WM8350_MCLK_SEL_PLL_MCLK,
+ wm8350_audio[i].sysclk, SND_SOC_CLOCK_IN);
+
+ /* set codec BCLK division for sample rate */
+ snd_soc_dai_set_clkdiv(codec_dai, WM8350_BCLK_CLKDIV,
+ wm8350_audio[i].bclkdiv);
+
+ /* DAI is synchronous and clocked with DAC LRCLK & ADC LRC */
+ snd_soc_dai_set_clkdiv(codec_dai,
+ WM8350_DACLR_CLKDIV, wm8350_audio[i].lr_rate);
+ snd_soc_dai_set_clkdiv(codec_dai,
+ WM8350_ADCLR_CLKDIV, wm8350_audio[i].lr_rate);
+
+ /* now configure DAC and ADC clocks */
+ snd_soc_dai_set_clkdiv(codec_dai,
+ WM8350_DAC_CLKDIV, wm8350_audio[i].clkdiv);
+
+ snd_soc_dai_set_clkdiv(codec_dai,
+ WM8350_ADC_CLKDIV, wm8350_audio[i].clkdiv);
+
+ return 0;
+}
+
+static struct snd_soc_ops wm1133_ev1_ops = {
+ .hw_params = wm1133_ev1_hw_params,
+};
+
+static const struct snd_soc_dapm_widget wm1133_ev1_widgets[] = {
+#ifdef USE_SIMIC
+ SND_SOC_DAPM_MIC("SiMIC", NULL),
+#endif
+ SND_SOC_DAPM_MIC("Mic1 Jack", NULL),
+ SND_SOC_DAPM_MIC("Mic2 Jack", NULL),
+ SND_SOC_DAPM_LINE("Line In Jack", NULL),
+ SND_SOC_DAPM_LINE("Line Out Jack", NULL),
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+};
+
+/* imx32ads soc_card audio map */
+static const struct snd_soc_dapm_route wm1133_ev1_map[] = {
+
+#ifdef USE_SIMIC
+ /* SiMIC --> IN1LN (with automatic bias) via SP1 */
+ { "IN1LN", NULL, "Mic Bias" },
+ { "Mic Bias", NULL, "SiMIC" },
+#endif
+
+ /* Mic 1 Jack --> IN1LN and IN1LP (with automatic bias) */
+ { "IN1LN", NULL, "Mic Bias" },
+ { "IN1LP", NULL, "Mic1 Jack" },
+ { "Mic Bias", NULL, "Mic1 Jack" },
+
+ /* Mic 2 Jack --> IN1RN and IN1RP (with automatic bias) */
+ { "IN1RN", NULL, "Mic Bias" },
+ { "IN1RP", NULL, "Mic1 Jack" },
+ { "Mic Bias", NULL, "Mic1 Jack" },
+
+ /* Line in Jack --> AUX (L+R) */
+ { "IN3R", NULL, "Line In Jack" },
+ { "IN3L", NULL, "Line In Jack" },
+
+ /* Out1 --> Headphone Jack */
+ { "Headphone Jack", NULL, "OUT1R" },
+ { "Headphone Jack", NULL, "OUT1L" },
+
+ /* Out1 --> Line Out Jack */
+ { "Line Out Jack", NULL, "OUT2R" },
+ { "Line Out Jack", NULL, "OUT2L" },
+};
+
+static struct snd_soc_jack hp_jack;
+
+static struct snd_soc_jack_pin hp_jack_pins[] = {
+ { .pin = "Headphone Jack", .mask = SND_JACK_HEADPHONE },
+};
+
+static int wm1133_ev1_init(struct snd_soc_codec *codec)
+{
+ struct snd_soc_card *card = codec->socdev->card;
+
+ snd_soc_dapm_new_controls(codec, wm1133_ev1_widgets,
+ ARRAY_SIZE(wm1133_ev1_widgets));
+
+ snd_soc_dapm_add_routes(codec, wm1133_ev1_map,
+ ARRAY_SIZE(wm1133_ev1_map));
+
+ /* Headphone jack detection */
+ snd_soc_jack_new(card, "Headphone", SND_JACK_HEADPHONE, &hp_jack);
+ snd_soc_jack_add_pins(&hp_jack, ARRAY_SIZE(hp_jack_pins),
+ hp_jack_pins);
+ wm8350_hp_jack_detect(codec, WM8350_JDR, &hp_jack, SND_JACK_HEADPHONE);
+
+ return 0;
+}
+
+
+static struct snd_soc_dai_link wm1133_ev1_dai = {
+ .name = "WM1133-EV1",
+ .stream_name = "Audio",
+ .cpu_dai = &imx_ssi_pcm_dai[0],
+ .codec_dai = &wm8350_dai,
+ .init = wm1133_ev1_init,
+ .ops = &wm1133_ev1_ops,
+ .symmetric_rates = 1,
+};
+
+static struct snd_soc_card wm1133_ev1 = {
+ .name = "WM1133-EV1",
+ .platform = &imx_soc_platform,
+ .dai_link = &wm1133_ev1_dai,
+ .num_links = 1,
+};
+
+static struct snd_soc_device wm1133_ev1_snd_devdata = {
+ .card = &wm1133_ev1,
+ .codec_dev = &soc_codec_dev_wm8350,
+};
+
+static struct platform_device *wm1133_ev1_snd_device;
+
+static int __init wm1133_ev1_audio_init(void)
+{
+ int ret;
+ unsigned int ptcr, pdcr;
+
+ /* SSI0 mastered by port 5 */
+ ptcr = MXC_AUDMUX_V2_PTCR_SYN |
+ MXC_AUDMUX_V2_PTCR_TFSDIR |
+ MXC_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT5_SSI_PINS_5) |
+ MXC_AUDMUX_V2_PTCR_TCLKDIR |
+ MXC_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
+ pdcr = MXC_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
+ mxc_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0, ptcr, pdcr);
+
+ ptcr = MXC_AUDMUX_V2_PTCR_SYN;
+ pdcr = MXC_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0);
+ mxc_audmux_v2_configure_port(MX31_AUDMUX_PORT5_SSI_PINS_5, ptcr, pdcr);
+
+ wm1133_ev1_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!wm1133_ev1_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(wm1133_ev1_snd_device, &wm1133_ev1_snd_devdata);
+ wm1133_ev1_snd_devdata.dev = &wm1133_ev1_snd_device->dev;
+ ret = platform_device_add(wm1133_ev1_snd_device);
+
+ if (ret)
+ platform_device_put(wm1133_ev1_snd_device);
+
+ return ret;
+}
+module_init(wm1133_ev1_audio_init);
+
+static void __exit wm1133_ev1_audio_exit(void)
+{
+ platform_device_unregister(wm1133_ev1_snd_device);
+}
+module_exit(wm1133_ev1_audio_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("Audio for WM1133-EV1 on i.MX31ADS");
+MODULE_LICENSE("GPL");
* option) any later version.
*/
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
#include <linux/delay.h>
#include <linux/clk.h>
-#include <linux/kernel.h>
#include <linux/io.h>
-#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
-#include <sound/initval.h>
#include <sound/soc.h>
#include <plat/regs-s3c2412-iis.h>
switch (div_id) {
case S3C_I2SV2_DIV_BCLK:
- if (div > 3) {
- /* convert value to bit field */
-
- switch (div) {
- case 16:
- div = S3C2412_IISMOD_BCLK_16FS;
- break;
+ switch (div) {
+ case 16:
+ div = S3C2412_IISMOD_BCLK_16FS;
+ break;
- case 32:
- div = S3C2412_IISMOD_BCLK_32FS;
- break;
+ case 32:
+ div = S3C2412_IISMOD_BCLK_32FS;
+ break;
- case 24:
- div = S3C2412_IISMOD_BCLK_24FS;
- break;
+ case 24:
+ div = S3C2412_IISMOD_BCLK_24FS;
+ break;
- case 48:
- div = S3C2412_IISMOD_BCLK_48FS;
- break;
+ case 48:
+ div = S3C2412_IISMOD_BCLK_48FS;
+ break;
- default:
- return -EINVAL;
- }
+ default:
+ return -EINVAL;
}
reg = readl(i2s->regs + S3C2412_IISMOD);
break;
case S3C_I2SV2_DIV_RCLK:
- if (div > 3) {
- /* convert value to bit field */
-
- switch (div) {
- case 256:
- div = S3C2412_IISMOD_RCLK_256FS;
- break;
+ switch (div) {
+ case 256:
+ div = S3C2412_IISMOD_RCLK_256FS;
+ break;
- case 384:
- div = S3C2412_IISMOD_RCLK_384FS;
- break;
+ case 384:
+ div = S3C2412_IISMOD_RCLK_384FS;
+ break;
- case 512:
- div = S3C2412_IISMOD_RCLK_512FS;
- break;
+ case 512:
+ div = S3C2412_IISMOD_RCLK_512FS;
+ break;
- case 768:
- div = S3C2412_IISMOD_RCLK_768FS;
- break;
+ case 768:
+ div = S3C2412_IISMOD_RCLK_768FS;
+ break;
- default:
- return -EINVAL;
- }
+ default:
+ return -EINVAL;
}
reg = readl(i2s->regs + S3C2412_IISMOD);
return 0;
}
+static snd_pcm_sframes_t s3c2412_i2s_delay(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct s3c_i2sv2_info *i2s = to_info(dai);
+ u32 reg = readl(i2s->regs + S3C2412_IISFIC);
+ snd_pcm_sframes_t delay;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ delay = S3C2412_IISFIC_TXCOUNT(reg);
+ else
+ delay = S3C2412_IISFIC_RXCOUNT(reg);
+
+ return delay;
+}
+
/* default table of all avaialable root fs divisors */
static unsigned int iis_fs_tab[] = { 256, 512, 384, 768 };
ops->set_fmt = s3c2412_i2s_set_fmt;
ops->set_clkdiv = s3c2412_i2s_set_clkdiv;
+ /* Allow overriding by (for example) IISv4 */
+ if (!ops->delay)
+ ops->delay = s3c2412_i2s_delay;
+
dai->suspend = s3c2412_i2s_suspend;
dai->resume = s3c2412_i2s_resume;
#define S3C_I2SV2_DIV_RCLK (2)
#define S3C_I2SV2_DIV_PRESCALER (3)
+#define S3C_I2SV2_CLKSRC_PCLK 0
+#define S3C_I2SV2_CLKSRC_AUDIOBUS 1
+#define S3C_I2SV2_CLKSRC_CDCLK 2
+
/**
* struct s3c_i2sv2_info - S3C I2S-V2 information
* @dev: The parent device passed to use from the probe.
#define S3C2412_DIV_RCLK S3C_I2SV2_DIV_RCLK
#define S3C2412_DIV_PRESCALER S3C_I2SV2_DIV_PRESCALER
-#define S3C2412_CLKSRC_PCLK (0)
-#define S3C2412_CLKSRC_I2SCLK (1)
+#define S3C2412_CLKSRC_PCLK S3C_I2SV2_CLKSRC_PCLK
+#define S3C2412_CLKSRC_I2SCLK S3C_I2SV2_CLKSRC_AUDIOBUS
extern struct clk *s3c2412_get_iisclk(void);
* published by the Free Software Foundation.
*/
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/io.h>
}
-#define S3C64XX_I2S_RATES \
- (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
- SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
- SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
-
-#define S3C64XX_I2S_FMTS \
- (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
- SNDRV_PCM_FMTBIT_S24_LE)
-
static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops = {
.set_sysclk = s3c64xx_i2s_set_sysclk,
};
#define S3C64XX_DIV_RCLK S3C_I2SV2_DIV_RCLK
#define S3C64XX_DIV_PRESCALER S3C_I2SV2_DIV_PRESCALER
-#define S3C64XX_CLKSRC_PCLK (0)
-#define S3C64XX_CLKSRC_MUX (1)
-#define S3C64XX_CLKSRC_CDCLK (2)
+#define S3C64XX_CLKSRC_PCLK S3C_I2SV2_CLKSRC_PCLK
+#define S3C64XX_CLKSRC_MUX S3C_I2SV2_CLKSRC_AUDIOBUS
+#define S3C64XX_CLKSRC_CDCLK S3C_I2SV2_CLKSRC_CDCLK
+
+#define S3C64XX_I2S_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define S3C64XX_I2S_FMTS \
+ (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
extern struct snd_soc_dai s3c64xx_i2s_dai[];
#define snd_soc_16_8_spi_write NULL
#endif
+#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)
+{
+ struct i2c_msg xfer[2];
+ u16 reg = cpu_to_be16(r);
+ u16 data;
+ int ret;
+ struct i2c_client *client = codec->control_data;
+
+ /* Write register */
+ xfer[0].addr = client->addr;
+ xfer[0].flags = 0;
+ xfer[0].len = 2;
+ xfer[0].buf = (u8 *)®
+
+ /* Read data */
+ xfer[1].addr = client->addr;
+ xfer[1].flags = I2C_M_RD;
+ xfer[1].len = 2;
+ xfer[1].buf = (u8 *)&data;
+
+ ret = i2c_transfer(client->adapter, xfer, 2);
+ if (ret != 2) {
+ dev_err(&client->dev, "i2c_transfer() returned %d\n", ret);
+ 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)
+{
+ u16 *cache = codec->reg_cache;
+
+ if (reg >= codec->reg_cache_size ||
+ snd_soc_codec_volatile_register(codec, reg)) {
+ if (codec->cache_only)
+ return -EINVAL;
+
+ return codec->hw_read(codec, reg);
+ }
+
+ return cache[reg];
+}
+
+static int snd_soc_16_16_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ u8 data[4];
+ int ret;
+
+ data[0] = (reg >> 8) & 0xff;
+ data[1] = reg & 0xff;
+ data[2] = (value >> 8) & 0xff;
+ data[3] = value & 0xff;
+
+ if (reg < codec->reg_cache_size)
+ cache[reg] = value;
+
+ if (codec->cache_only) {
+ codec->cache_sync = 1;
+ return 0;
+ }
+
+ ret = codec->hw_write(codec->control_data, data, 4);
+ if (ret == 4)
+ return 0;
+ if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
static struct {
int addr_bits;
.i2c_read = snd_soc_16_8_read_i2c,
.spi_write = snd_soc_16_8_spi_write,
},
+ {
+ .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,
+ },
};
/**
if (codec_dai->symmetric_rates || cpu_dai->symmetric_rates ||
machine->symmetric_rates) {
- dev_dbg(card->dev, "Symmetry forces %dHz rate\n",
+ dev_dbg(card->dev, "Symmetry forces %dHz rate\n",
machine->rate);
ret = snd_pcm_hw_constraint_minmax(substream->runtime,
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 = 1;
- else
- cpu_dai->capture.active = codec_dai->capture.active = 1;
- cpu_dai->active = codec_dai->active = 1;
- cpu_dai->runtime = runtime;
+ 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++;
card->codec->active++;
mutex_unlock(&pcm_mutex);
return 0;
mutex_lock(&pcm_mutex);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- cpu_dai->playback.active = codec_dai->playback.active = 0;
- else
- cpu_dai->capture.active = codec_dai->capture.active = 0;
-
- if (codec_dai->playback.active == 0 &&
- codec_dai->capture.active == 0) {
- cpu_dai->active = codec_dai->active = 0;
+ 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
if (platform->pcm_ops->close)
platform->pcm_ops->close(substream);
- cpu_dai->runtime = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/* start delayed pop wq here for playback streams */
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_device *socdev = rtd->socdev;
+ struct snd_soc_card *card = socdev->card;
+ struct snd_soc_platform *platform = card->platform;
+ struct snd_soc_dai_link *machine = rtd->dai;
+ struct snd_soc_dai *cpu_dai = machine->cpu_dai;
+ struct snd_soc_dai *codec_dai = machine->codec_dai;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ snd_pcm_uframes_t offset = 0;
+ snd_pcm_sframes_t delay = 0;
+
+ if (platform->pcm_ops->pointer)
+ offset = platform->pcm_ops->pointer(substream);
+
+ if (cpu_dai->ops->delay)
+ delay += cpu_dai->ops->delay(substream, cpu_dai);
+
+ if (codec_dai->ops->delay)
+ delay += codec_dai->ops->delay(substream, codec_dai);
+
+ if (platform->delay)
+ delay += platform->delay(substream, codec_dai);
+
+ runtime->delay = delay;
+
+ return offset;
+}
+
/* ASoC PCM operations */
static struct snd_pcm_ops soc_pcm_ops = {
.open = soc_pcm_open,
.hw_free = soc_pcm_hw_free,
.prepare = soc_pcm_prepare,
.trigger = soc_pcm_trigger,
+ .pointer = soc_pcm_pointer,
};
#ifdef CONFIG_PM
if (cpu_dai->suspend && !cpu_dai->ac97_control)
cpu_dai->suspend(cpu_dai);
if (platform->suspend)
- platform->suspend(cpu_dai);
+ platform->suspend(&card->dai_link[i]);
}
/* close any waiting streams and save state */
if (cpu_dai->resume && !cpu_dai->ac97_control)
cpu_dai->resume(cpu_dai);
if (platform->resume)
- platform->resume(cpu_dai);
+ platform->resume(&card->dai_link[i]);
}
if (card->resume_post)
dai_link->pcm = pcm;
pcm->private_data = rtd;
soc_pcm_ops.mmap = platform->pcm_ops->mmap;
- soc_pcm_ops.pointer = platform->pcm_ops->pointer;
soc_pcm_ops.ioctl = platform->pcm_ops->ioctl;
soc_pcm_ops.copy = platform->pcm_ops->copy;
soc_pcm_ops.silence = platform->pcm_ops->silence;
if (pop_time) {
vprintk(fmt, args);
- pop_wait(pop_time);
}
va_end(args);
pop_dbg(codec->pop_time, "pop test %s : %s in %d ms\n",
widget->name, widget->power ? "on" : "off",
codec->pop_time);
- snd_soc_write(codec, widget->reg, new);
pop_wait(codec->pop_time);
+ snd_soc_write(codec, widget->reg, new);
}
pr_debug("reg %x old %x new %x change %d\n", widget->reg,
old, new, change);
pop_dbg(codec->pop_time, "DAPM sequencing finished, waiting %dms\n",
codec->pop_time);
+ pop_wait(codec->pop_time);
return 0;
}
projects / mv-sheeva.git / commitdiff