#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
-#include <sound/driver.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
+#include <sound/tlv.h>
#include "wm8731.h"
-#define AUDIO_NAME "wm8731"
-#define WM8731_VERSION "0.12"
-
-/*
- * Debug
- */
+static struct snd_soc_codec *wm8731_codec;
+struct snd_soc_codec_device soc_codec_dev_wm8731;
-#define WM8731_DEBUG 0
+#define WM8731_NUM_SUPPLIES 4
+static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
+ "AVDD",
+ "HPVDD",
+ "DCVDD",
+ "DBVDD",
+};
-#ifdef WM8731_DEBUG
-#define dbg(format, arg...) \
- printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
-#else
-#define dbg(format, arg...) do {} while (0)
-#endif
-#define err(format, arg...) \
- printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
-#define info(format, arg...) \
- printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
-#define warn(format, arg...) \
- printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+/* codec private data */
+struct wm8731_priv {
+ struct snd_soc_codec codec;
+ struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
+ u16 reg_cache[WM8731_CACHEREGNUM];
+ unsigned int sysclk;
+};
-struct snd_soc_codec_device soc_codec_dev_wm8731;
/*
* wm8731 register cache
* There is no point in caching the reset register
*/
static const u16 wm8731_reg[WM8731_CACHEREGNUM] = {
- 0x0097, 0x0097, 0x0079, 0x0079,
- 0x000a, 0x0008, 0x009f, 0x000a,
- 0x0000, 0x0000
+ 0x0097, 0x0097, 0x0079, 0x0079,
+ 0x000a, 0x0008, 0x009f, 0x000a,
+ 0x0000, 0x0000
};
-#define WM8731_DAIFMT \
- (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
- SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
- SND_SOC_DAIFMT_IB_IF)
-
-#define WM8731_DIR \
- (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
-
-#define WM8731_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 WM8731_HIFI_BITS \
- (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
- SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-
-static struct snd_soc_dai_mode wm8731_modes[] = {
- /* codec frame and clock master modes */
- /* 8k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .fs = 1536,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .fs = 2304,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .fs = 1408,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .fs = 2112,
- .bfs = SND_SOC_FSB(64),
- },
-
- /* 32k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_32000,
- .pcmdir = WM8731_DIR,
- .fs = 384,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_32000,
- .pcmdir = WM8731_DIR,
- .fs = 576,
- .bfs = SND_SOC_FSB(64),
- },
-
- /* 44.1k & 48k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
- .pcmdir = WM8731_DIR,
- .fs = 256,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
- .pcmdir = WM8731_DIR,
- .fs = 384,
- .bfs = SND_SOC_FSB(64),
- },
-
- /* 88.2 & 96k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
- .pcmdir = WM8731_DIR,
- .fs = 128,
- .bfs = SND_SOC_FSB(64),
-
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
- .pcmdir = WM8731_DIR,
- .fs = 192,
- .bfs = SND_SOC_FSB(64),
- },
-
- /* USB codec frame and clock master modes */
- /* 8k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .flags = SND_SOC_DAI_BFS_DIV,
- .fs = 1500,
- .bfs = SND_SOC_FSBD(1),
- },
-
- /* 44.1k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_44100,
- .pcmdir = WM8731_DIR,
- .flags = SND_SOC_DAI_BFS_DIV,
- .fs = 272,
- .bfs = SND_SOC_FSBD(1),
- },
-
- /* 48k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_48000,
- .pcmdir = WM8731_DIR,
- .flags = SND_SOC_DAI_BFS_DIV,
- .fs = 250,
- .bfs = SND_SOC_FSBD(1),
- },
-
- /* 88.2k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_88200,
- .pcmdir = WM8731_DIR,
- .flags = SND_SOC_DAI_BFS_DIV,
- .fs = 136,
- .bfs = SND_SOC_FSBD(1),
- },
-
- /* 96k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_96000,
- .pcmdir = WM8731_DIR,
- .flags = SND_SOC_DAI_BFS_DIV,
- .fs = 125,
- .bfs = SND_SOC_FSBD(1),
- },
-
- /* codec frame and clock slave modes */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = WM8731_RATES,
- .pcmdir = WM8731_DIR,
- .flags = SND_SOC_DAI_BFS_DIV,
- .fs = SND_SOC_FS_ALL,
- .bfs = SND_SOC_FSBD_ALL,
- },
-};
-
-/*
- * read wm8731 register cache
- */
-static inline unsigned int wm8731_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
- if (reg == WM8731_RESET)
- return 0;
- if (reg >= WM8731_CACHEREGNUM)
- return -1;
- return cache[reg];
-}
-
-/*
- * write wm8731 register cache
- */
-static inline void wm8731_write_reg_cache(struct snd_soc_codec *codec,
- u16 reg, unsigned int value)
-{
- u16 *cache = codec->reg_cache;
- if (reg >= WM8731_CACHEREGNUM)
- return;
- cache[reg] = value;
-}
-
-/*
- * write to the WM8731 register space
- */
-static int wm8731_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- /* data is
- * D15..D9 WM8731 register offset
- * D8...D0 register data
- */
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
-
- wm8731_write_reg_cache (codec, reg, value);
- if (codec->hw_write(codec->control_data, data, 2) == 2)
- return 0;
- else
- return -EIO;
-}
-
-#define wm8731_reset(c) wm8731_write(c, WM8731_RESET, 0)
+#define wm8731_reset(c) snd_soc_write(c, WM8731_RESET, 0)
static const char *wm8731_input_select[] = {"Line In", "Mic"};
static const char *wm8731_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
SOC_ENUM_SINGLE(WM8731_APDIGI, 1, 4, wm8731_deemph),
};
+static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0);
+static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
+
static const struct snd_kcontrol_new wm8731_snd_controls[] = {
-SOC_DOUBLE_R("Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V, 0, 127, 0),
-SOC_DOUBLE_R("Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V, 7, 1, 0),
+SOC_DOUBLE_R_TLV("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V,
+ 0, 127, 0, out_tlv),
+SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V,
+ 7, 1, 0),
-SOC_DOUBLE_R("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0),
+SOC_DOUBLE_R_TLV("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0,
+ in_tlv),
SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1),
SOC_SINGLE("Mic Boost (+20dB)", WM8731_APANA, 0, 1, 0),
-SOC_SINGLE("Capture Mic Switch", WM8731_APANA, 1, 1, 1),
+SOC_SINGLE("Mic Capture Switch", WM8731_APANA, 1, 1, 1),
-SOC_SINGLE("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1),
+SOC_SINGLE_TLV("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1,
+ sidetone_tlv),
SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1),
SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0),
SOC_ENUM("Playback De-emphasis", wm8731_enum[1]),
};
-/* add non dapm controls */
-static int wm8731_add_controls(struct snd_soc_codec *codec)
-{
- int err, i;
-
- for (i = 0; i < ARRAY_SIZE(wm8731_snd_controls); i++) {
- if ((err = snd_ctl_add(codec->card,
- snd_soc_cnew(&wm8731_snd_controls[i],codec, NULL))) < 0)
- return err;
- }
-
- return 0;
-}
-
/* Output Mixer */
static const struct snd_kcontrol_new wm8731_output_mixer_controls[] = {
SOC_DAPM_SINGLE("Line Bypass Switch", WM8731_APANA, 3, 1, 0),
SND_SOC_DAPM_INPUT("LLINEIN"),
};
-static const char *intercon[][3] = {
+static const struct snd_soc_dapm_route intercon[] = {
/* output mixer */
{"Output Mixer", "Line Bypass Switch", "Line Input"},
{"Output Mixer", "HiFi Playback Switch", "DAC"},
{"Line Input", NULL, "LLINEIN"},
{"Line Input", NULL, "RLINEIN"},
{"Mic Bias", NULL, "MICIN"},
-
- /* terminator */
- {NULL, NULL, NULL},
};
static int wm8731_add_widgets(struct snd_soc_codec *codec)
{
- int i;
-
- for(i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
- snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
- }
+ snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
+ ARRAY_SIZE(wm8731_dapm_widgets));
- /* set up audio path interconnects */
- for(i = 0; intercon[i][0] != NULL; i++) {
- snd_soc_dapm_connect_input(codec, intercon[i][0],
- intercon[i][1], intercon[i][2]);
- }
+ snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
- snd_soc_dapm_new_widgets(codec);
return 0;
}
/* 32k */
{12288000, 32000, 384, 0x6, 0x0, 0x0},
{18432000, 32000, 576, 0x6, 0x1, 0x0},
+ {12000000, 32000, 375, 0x6, 0x0, 0x1},
/* 8k */
{12288000, 8000, 1536, 0x3, 0x0, 0x0},
return 0;
}
-/* WM8731 supports numerous clocks per sample rate */
-static unsigned int wm8731_config_sysclk(struct snd_soc_codec_dai *dai,
- struct snd_soc_clock_info *info, unsigned int clk)
+static int wm8731_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
{
- dai->mclk = 0;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->card->codec;
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+ u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3;
+ int i = get_coeff(wm8731->sysclk, params_rate(params));
+ u16 srate = (coeff_div[i].sr << 2) |
+ (coeff_div[i].bosr << 1) | coeff_div[i].usb;
+
+ snd_soc_write(codec, WM8731_SRATE, srate);
- /* check that the calculated FS and rate actually match a clock from
- * the machine driver */
- if (info->fs * info->rate == clk)
- dai->mclk = clk;
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ iface |= 0x0008;
+ break;
+ }
- return dai->mclk;
+ snd_soc_write(codec, WM8731_IFACE, iface);
+ return 0;
}
-static int wm8731_pcm_prepare(struct snd_pcm_substream *substream)
+static int wm8731_pcm_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
- u16 iface = 0, srate;
- int i = get_coeff(rtd->codec_dai->mclk,
- snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate));
+ struct snd_soc_codec *codec = socdev->card->codec;
+
+ /* set active */
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0001);
+
+ return 0;
+}
+
+static void wm8731_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->card->codec;
+
+ /* deactivate */
+ if (!codec->active) {
+ udelay(50);
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0);
+ }
+}
+
+static int wm8731_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 mute_reg = snd_soc_read(codec, WM8731_APDIGI) & 0xfff7;
+
+ if (mute)
+ snd_soc_write(codec, WM8731_APDIGI, mute_reg | 0x8);
+ else
+ snd_soc_write(codec, WM8731_APDIGI, mute_reg);
+ return 0;
+}
+
+static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+
+ switch (freq) {
+ case 11289600:
+ case 12000000:
+ case 12288000:
+ case 16934400:
+ case 18432000:
+ wm8731->sysclk = freq;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+
+static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 iface = 0;
/* set master/slave audio interface */
- switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
iface |= 0x0040;
break;
case SND_SOC_DAIFMT_CBS_CFS:
break;
+ default:
+ return -EINVAL;
}
- srate = (coeff_div[i].sr << 2) |
- (coeff_div[i].bosr << 1) | coeff_div[i].usb;
- wm8731_write(codec, WM8731_SRATE, srate);
/* interface format */
- switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
iface |= 0x0002;
break;
case SND_SOC_DAIFMT_DSP_B:
iface |= 0x0013;
break;
- }
-
- /* bit size */
- switch (rtd->codec_dai->dai_runtime.pcmfmt) {
- case SNDRV_PCM_FMTBIT_S16_LE:
- break;
- case SNDRV_PCM_FMTBIT_S20_3LE:
- iface |= 0x0004;
- break;
- case SNDRV_PCM_FMTBIT_S24_LE:
- iface |= 0x0008;
- break;
- case SNDRV_PCM_FMTBIT_S32_LE:
- iface |= 0x000c;
- break;
+ default:
+ return -EINVAL;
}
/* clock inversion */
- switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_IB_IF:
case SND_SOC_DAIFMT_NB_IF:
iface |= 0x0010;
break;
+ default:
+ return -EINVAL;
}
/* set iface */
- wm8731_write(codec, WM8731_IFACE, iface);
-
- /* set active */
- wm8731_write(codec, WM8731_ACTIVE, 0x0001);
+ snd_soc_write(codec, WM8731_IFACE, iface);
return 0;
}
-static void wm8731_shutdown(struct snd_pcm_substream *substream)
+static int wm8731_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
-
- /* deactivate */
- if (!codec->active) {
- udelay(50);
- wm8731_write(codec, WM8731_ACTIVE, 0x0);
- }
-}
+ u16 reg;
-static int wm8731_mute(struct snd_soc_codec *codec,
- struct snd_soc_codec_dai *dai, int mute)
-{
- u16 mute_reg = wm8731_read_reg_cache(codec, WM8731_APDIGI) & 0xfff7;
- if (mute)
- wm8731_write(codec, WM8731_APDIGI, mute_reg | 0x8);
- else
- wm8731_write(codec, WM8731_APDIGI, mute_reg);
- return 0;
-}
-
-static int wm8731_dapm_event(struct snd_soc_codec *codec, int event)
-{
- u16 reg = wm8731_read_reg_cache(codec, WM8731_PWR) & 0xff7f;
-
- switch (event) {
- case SNDRV_CTL_POWER_D0: /* full On */
- /* vref/mid, osc on, dac unmute */
- wm8731_write(codec, WM8731_PWR, reg);
+ switch (level) {
+ case SND_SOC_BIAS_ON:
break;
- case SNDRV_CTL_POWER_D1: /* partial On */
- case SNDRV_CTL_POWER_D2: /* partial On */
+ case SND_SOC_BIAS_PREPARE:
break;
- case SNDRV_CTL_POWER_D3hot: /* Off, with power */
- /* everything off except vref/vmid, */
- wm8731_write(codec, WM8731_PWR, reg | 0x0040);
+ case SND_SOC_BIAS_STANDBY:
+ /* Clear PWROFF, gate CLKOUT, everything else as-is */
+ reg = snd_soc_read(codec, WM8731_PWR) & 0xff7f;
+ snd_soc_write(codec, WM8731_PWR, reg | 0x0040);
break;
- case SNDRV_CTL_POWER_D3cold: /* Off, without power */
- /* everything off, dac mute, inactive */
- wm8731_write(codec, WM8731_ACTIVE, 0x0);
- wm8731_write(codec, WM8731_PWR, 0xffff);
+ case SND_SOC_BIAS_OFF:
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0);
+ snd_soc_write(codec, WM8731_PWR, 0xffff);
break;
}
- codec->dapm_state = event;
+ codec->bias_level = level;
return 0;
}
-struct snd_soc_codec_dai wm8731_dai = {
+#define WM8731_RATES SNDRV_PCM_RATE_8000_96000
+
+#define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_ops wm8731_dai_ops = {
+ .prepare = wm8731_pcm_prepare,
+ .hw_params = wm8731_hw_params,
+ .shutdown = wm8731_shutdown,
+ .digital_mute = wm8731_mute,
+ .set_sysclk = wm8731_set_dai_sysclk,
+ .set_fmt = wm8731_set_dai_fmt,
+};
+
+struct snd_soc_dai wm8731_dai = {
.name = "WM8731",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
- },
+ .rates = WM8731_RATES,
+ .formats = WM8731_FORMATS,},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
- },
- .config_sysclk = wm8731_config_sysclk,
- .digital_mute = wm8731_mute,
- .ops = {
- .prepare = wm8731_pcm_prepare,
- .shutdown = wm8731_shutdown,
- },
- .caps = {
- .num_modes = ARRAY_SIZE(wm8731_modes),
- .mode = wm8731_modes,
- },
+ .rates = WM8731_RATES,
+ .formats = WM8731_FORMATS,},
+ .ops = &wm8731_dai_ops,
+ .symmetric_rates = 1,
};
EXPORT_SYMBOL_GPL(wm8731_dai);
+#ifdef CONFIG_PM
static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
- wm8731_write(codec, WM8731_ACTIVE, 0x0);
- wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ snd_soc_write(codec, WM8731_ACTIVE, 0x0);
+ wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
return 0;
}
static int wm8731_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
- int i;
+ struct snd_soc_codec *codec = socdev->card->codec;
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+ int i, ret;
u8 data[2];
u16 *cache = codec->reg_cache;
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
+ if (ret != 0)
+ return ret;
+
/* Sync reg_cache with the hardware */
for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) {
+ if (cache[i] == wm8731_reg[i])
+ continue;
+
data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
data[1] = cache[i] & 0x00ff;
codec->hw_write(codec->control_data, data, 2);
}
- wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
- wm8731_dapm_event(codec, codec->suspend_dapm_state);
+ wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
return 0;
}
+#else
+#define wm8731_suspend NULL
+#define wm8731_resume NULL
+#endif
-/*
- * initialise the WM8731 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int wm8731_init(struct snd_soc_device *socdev)
+static int wm8731_probe(struct platform_device *pdev)
{
- struct snd_soc_codec *codec = socdev->codec;
- int reg, ret = 0;
-
- codec->name = "WM8731";
- codec->owner = THIS_MODULE;
- codec->read = wm8731_read_reg_cache;
- codec->write = wm8731_write;
- codec->dapm_event = wm8731_dapm_event;
- codec->dai = &wm8731_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = ARRAY_SIZE(wm8731_reg);
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
- codec->reg_cache =
- kzalloc(sizeof(u16) * ARRAY_SIZE(wm8731_reg), GFP_KERNEL);
- if (codec->reg_cache == NULL)
- return -ENOMEM;
- memcpy(codec->reg_cache,
- wm8731_reg, sizeof(u16) * ARRAY_SIZE(wm8731_reg));
- codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8731_reg);
+ if (wm8731_codec == NULL) {
+ dev_err(&pdev->dev, "Codec device not registered\n");
+ return -ENODEV;
+ }
- wm8731_reset(codec);
+ socdev->card->codec = wm8731_codec;
+ codec = wm8731_codec;
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
- kfree(codec->reg_cache);
- return ret;
+ dev_err(codec->dev, "failed to create pcms: %d\n", ret);
+ goto pcm_err;
}
- /* power on device */
- wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
-
- /* set the update bits */
- reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V);
- wm8731_write(codec, WM8731_LOUT1V, reg | 0x0100);
- reg = wm8731_read_reg_cache(codec, WM8731_ROUT1V);
- wm8731_write(codec, WM8731_ROUT1V, reg | 0x0100);
- reg = wm8731_read_reg_cache(codec, WM8731_LINVOL);
- wm8731_write(codec, WM8731_LINVOL, reg | 0x0100);
- reg = wm8731_read_reg_cache(codec, WM8731_RINVOL);
- wm8731_write(codec, WM8731_RINVOL, reg | 0x0100);
-
- wm8731_add_controls(codec);
+ snd_soc_add_controls(codec, wm8731_snd_controls,
+ ARRAY_SIZE(wm8731_snd_controls));
wm8731_add_widgets(codec);
- ret = snd_soc_register_card(socdev);
- if (ret < 0) {
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
- }
return ret;
+
+pcm_err:
+ return ret;
}
-static struct snd_soc_device *wm8731_socdev;
+/* power down chip */
+static int wm8731_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
-/*
- * WM8731 2 wire address is determined by GPIO5
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+ return 0;
+}
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
+struct snd_soc_codec_device soc_codec_dev_wm8731 = {
+ .probe = wm8731_probe,
+ .remove = wm8731_remove,
+ .suspend = wm8731_suspend,
+ .resume = wm8731_resume,
+};
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731);
-static struct i2c_driver wm8731_i2c_driver;
-static struct i2c_client client_template;
+static int wm8731_register(struct wm8731_priv *wm8731,
+ enum snd_soc_control_type control)
+{
+ int ret, i;
+ struct snd_soc_codec *codec = &wm8731->codec;
-/* If the i2c layer weren't so broken, we could pass this kind of data
- around */
+ if (wm8731_codec) {
+ dev_err(codec->dev, "Another WM8731 is registered\n");
+ ret = -EINVAL;
+ goto err;
+ }
-static int wm8731_codec_probe(struct i2c_adapter *adap, int addr, int kind)
-{
- struct snd_soc_device *socdev = wm8731_socdev;
- struct wm8731_setup_data *setup = socdev->codec_data;
- struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
- int ret;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
- if (addr != setup->i2c_address)
- return -ENODEV;
+ snd_soc_codec_set_drvdata(codec, wm8731);
+ codec->name = "WM8731";
+ codec->owner = THIS_MODULE;
+ codec->bias_level = SND_SOC_BIAS_OFF;
+ codec->set_bias_level = wm8731_set_bias_level;
+ codec->dai = &wm8731_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = WM8731_CACHEREGNUM;
+ codec->reg_cache = &wm8731->reg_cache;
- client_template.adapter = adap;
- client_template.addr = addr;
+ memcpy(codec->reg_cache, wm8731_reg, sizeof(wm8731_reg));
- i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (i2c == NULL) {
- kfree(codec);
- return -ENOMEM;
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ goto err;
}
- memcpy(i2c, &client_template, sizeof(struct i2c_client));
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- err("failed to attach codec at addr %x\n", addr);
+ for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++)
+ wm8731->supplies[i].supply = wm8731_supply_names[i];
+
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
goto err;
}
- ret = wm8731_init(socdev);
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_regulator_get;
+ }
+
+ ret = wm8731_reset(codec);
if (ret < 0) {
- err("failed to initialise WM8731\n");
- goto err;
+ dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
+ goto err_regulator_enable;
}
- return ret;
+ wm8731_dai.dev = codec->dev;
+
+ wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ /* Latch the update bits */
+ snd_soc_update_bits(codec, WM8731_LOUT1V, 0x100, 0);
+ snd_soc_update_bits(codec, WM8731_ROUT1V, 0x100, 0);
+ snd_soc_update_bits(codec, WM8731_LINVOL, 0x100, 0);
+ snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0);
+
+ /* Disable bypass path by default */
+ snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0);
+
+ wm8731_codec = codec;
+
+ ret = snd_soc_register_codec(codec);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register codec: %d\n", ret);
+ goto err_regulator_enable;
+ }
+
+ ret = snd_soc_register_dai(&wm8731_dai);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
+ snd_soc_unregister_codec(codec);
+ goto err_codec;
+ }
+
+ return 0;
+
+err_codec:
+ snd_soc_unregister_codec(codec);
+err_regulator_enable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
+err_regulator_get:
+ regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
err:
- kfree(codec);
- kfree(i2c);
+ kfree(wm8731);
return ret;
}
-static int wm8731_i2c_detach(struct i2c_client *client)
+static void wm8731_unregister(struct wm8731_priv *wm8731)
{
- struct snd_soc_codec* codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
- kfree(codec->reg_cache);
- kfree(client);
- return 0;
+ wm8731_set_bias_level(&wm8731->codec, SND_SOC_BIAS_OFF);
+ snd_soc_unregister_dai(&wm8731_dai);
+ snd_soc_unregister_codec(&wm8731->codec);
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
+ regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
+ kfree(wm8731);
+ wm8731_codec = NULL;
}
-static int wm8731_i2c_attach(struct i2c_adapter *adap)
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit wm8731_spi_probe(struct spi_device *spi)
{
- return i2c_probe(adap, &addr_data, wm8731_codec_probe);
+ struct snd_soc_codec *codec;
+ struct wm8731_priv *wm8731;
+
+ wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL);
+ if (wm8731 == NULL)
+ return -ENOMEM;
+
+ codec = &wm8731->codec;
+ codec->control_data = spi;
+ codec->dev = &spi->dev;
+
+ dev_set_drvdata(&spi->dev, wm8731);
+
+ return wm8731_register(wm8731, SND_SOC_SPI);
}
-/* corgi i2c codec control layer */
-static struct i2c_driver wm8731_i2c_driver = {
+static int __devexit wm8731_spi_remove(struct spi_device *spi)
+{
+ struct wm8731_priv *wm8731 = dev_get_drvdata(&spi->dev);
+
+ wm8731_unregister(wm8731);
+
+ return 0;
+}
+
+static struct spi_driver wm8731_spi_driver = {
.driver = {
- .name = "WM8731 I2C Codec",
- .owner = THIS_MODULE,
+ .name = "wm8731",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_WM8731,
- .attach_adapter = wm8731_i2c_attach,
- .detach_client = wm8731_i2c_detach,
- .command = NULL,
+ .probe = wm8731_spi_probe,
+ .remove = __devexit_p(wm8731_spi_remove),
};
+#endif /* CONFIG_SPI_MASTER */
-static struct i2c_client client_template = {
- .name = "WM8731",
- .driver = &wm8731_i2c_driver,
-};
-#endif
-
-static int wm8731_probe(struct platform_device *pdev)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8731_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct wm8731_setup_data *setup;
+ struct wm8731_priv *wm8731;
struct snd_soc_codec *codec;
- int ret = 0;
-
- info("WM8731 Audio Codec %s", WM8731_VERSION);
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
+ wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL);
+ if (wm8731 == NULL)
return -ENOMEM;
- socdev->codec = codec;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
+ codec = &wm8731->codec;
- wm8731_socdev = socdev;
-#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
- codec->hw_write = (hw_write_t)i2c_master_send;
- ret = i2c_add_driver(&wm8731_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
- }
-#else
- /* Add other interfaces here */
-#endif
- return ret;
+ i2c_set_clientdata(i2c, wm8731);
+ codec->control_data = i2c;
+
+ codec->dev = &i2c->dev;
+
+ return wm8731_register(wm8731, SND_SOC_I2C);
}
-/* power down chip */
-static int wm8731_remove(struct platform_device *pdev)
+static __devexit int wm8731_i2c_remove(struct i2c_client *client)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct wm8731_priv *wm8731 = i2c_get_clientdata(client);
+ wm8731_unregister(wm8731);
+ return 0;
+}
- if (codec->control_data)
- wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+static const struct i2c_device_id wm8731_i2c_id[] = {
+ { "wm8731", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id);
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
- i2c_del_driver(&wm8731_i2c_driver);
+static struct i2c_driver wm8731_i2c_driver = {
+ .driver = {
+ .name = "WM8731 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8731_i2c_probe,
+ .remove = __devexit_p(wm8731_i2c_remove),
+ .id_table = wm8731_i2c_id,
+};
#endif
- kfree(codec);
+static int __init wm8731_modinit(void)
+{
+ int ret;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ ret = i2c_add_driver(&wm8731_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8731 I2C driver: %d\n",
+ ret);
+ }
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&wm8731_spi_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8731 SPI driver: %d\n",
+ ret);
+ }
+#endif
return 0;
}
+module_init(wm8731_modinit);
-struct snd_soc_codec_device soc_codec_dev_wm8731 = {
- .probe = wm8731_probe,
- .remove = wm8731_remove,
- .suspend = wm8731_suspend,
- .resume = wm8731_resume,
-};
-
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731);
+static void __exit wm8731_exit(void)
+{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8731_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8731_spi_driver);
+#endif
+}
+module_exit(wm8731_exit);
MODULE_DESCRIPTION("ASoC WM8731 driver");
MODULE_AUTHOR("Richard Purdie");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff