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Diffstat (limited to 'sound/soc/codecs/wm8960.c')
-rw-r--r--sound/soc/codecs/wm8960.c233
1 files changed, 103 insertions, 130 deletions
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index e224d8add17..f59703be61c 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -69,61 +69,7 @@ struct wm8960_priv {
struct snd_soc_codec codec;
};
-/*
- * read wm8960 register cache
- */
-static inline unsigned int wm8960_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
- if (reg == WM8960_RESET)
- return 0;
- if (reg >= WM8960_CACHEREGNUM)
- return -1;
- return cache[reg];
-}
-
-/*
- * write wm8960 register cache
- */
-static inline void wm8960_write_reg_cache(struct snd_soc_codec *codec,
- u16 reg, unsigned int value)
-{
- u16 *cache = codec->reg_cache;
- if (reg >= WM8960_CACHEREGNUM)
- return;
- cache[reg] = value;
-}
-
-static inline unsigned int wm8960_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- return wm8960_read_reg_cache(codec, reg);
-}
-
-/*
- * write to the WM8960 register space
- */
-static int wm8960_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- /* data is
- * D15..D9 WM8960 register offset
- * D8...D0 register data
- */
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
-
- wm8960_write_reg_cache(codec, reg, value);
- if (codec->hw_write(codec->control_data, data, 2) == 2)
- return 0;
- else
- return -EIO;
-}
-
-#define wm8960_reset(c) wm8960_write(c, WM8960_RESET, 0)
+#define wm8960_reset(c) snd_soc_write(c, WM8960_RESET, 0)
/* enumerated controls */
static const char *wm8960_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
@@ -420,7 +366,7 @@ static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
/* set iface */
- wm8960_write(codec, WM8960_IFACE1, iface);
+ snd_soc_write(codec, WM8960_IFACE1, iface);
return 0;
}
@@ -431,7 +377,7 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
- u16 iface = wm8960_read(codec, WM8960_IFACE1) & 0xfff3;
+ u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
/* bit size */
switch (params_format(params)) {
@@ -446,19 +392,19 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
}
/* set iface */
- wm8960_write(codec, WM8960_IFACE1, iface);
+ snd_soc_write(codec, WM8960_IFACE1, iface);
return 0;
}
static int wm8960_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = wm8960_read(codec, WM8960_DACCTL1) & 0xfff7;
+ u16 mute_reg = snd_soc_read(codec, WM8960_DACCTL1) & 0xfff7;
if (mute)
- wm8960_write(codec, WM8960_DACCTL1, mute_reg | 0x8);
+ snd_soc_write(codec, WM8960_DACCTL1, mute_reg | 0x8);
else
- wm8960_write(codec, WM8960_DACCTL1, mute_reg);
+ snd_soc_write(codec, WM8960_DACCTL1, mute_reg);
return 0;
}
@@ -474,16 +420,16 @@ static int wm8960_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
/* Set VMID to 2x50k */
- reg = wm8960_read(codec, WM8960_POWER1);
+ reg = snd_soc_read(codec, WM8960_POWER1);
reg &= ~0x180;
reg |= 0x80;
- wm8960_write(codec, WM8960_POWER1, reg);
+ snd_soc_write(codec, WM8960_POWER1, reg);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->bias_level == SND_SOC_BIAS_OFF) {
/* Enable anti-pop features */
- wm8960_write(codec, WM8960_APOP1,
+ snd_soc_write(codec, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN | WM8960_BUFIOEN);
@@ -491,43 +437,43 @@ static int wm8960_set_bias_level(struct snd_soc_codec *codec,
reg = WM8960_DISOP;
if (pdata)
reg |= pdata->dres << 4;
- wm8960_write(codec, WM8960_APOP2, reg);
+ snd_soc_write(codec, WM8960_APOP2, reg);
msleep(400);
- wm8960_write(codec, WM8960_APOP2, 0);
+ snd_soc_write(codec, WM8960_APOP2, 0);
/* Enable & ramp VMID at 2x50k */
- reg = wm8960_read(codec, WM8960_POWER1);
+ reg = snd_soc_read(codec, WM8960_POWER1);
reg |= 0x80;
- wm8960_write(codec, WM8960_POWER1, reg);
+ snd_soc_write(codec, WM8960_POWER1, reg);
msleep(100);
/* Enable VREF */
- wm8960_write(codec, WM8960_POWER1, reg | WM8960_VREF);
+ snd_soc_write(codec, WM8960_POWER1, reg | WM8960_VREF);
/* Disable anti-pop features */
- wm8960_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
+ snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
}
/* Set VMID to 2x250k */
- reg = wm8960_read(codec, WM8960_POWER1);
+ reg = snd_soc_read(codec, WM8960_POWER1);
reg &= ~0x180;
reg |= 0x100;
- wm8960_write(codec, WM8960_POWER1, reg);
+ snd_soc_write(codec, WM8960_POWER1, reg);
break;
case SND_SOC_BIAS_OFF:
/* Enable anti-pop features */
- wm8960_write(codec, WM8960_APOP1,
+ snd_soc_write(codec, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
WM8960_BUFDCOPEN | WM8960_BUFIOEN);
/* Disable VMID and VREF, let them discharge */
- wm8960_write(codec, WM8960_POWER1, 0);
+ snd_soc_write(codec, WM8960_POWER1, 0);
msleep(600);
- wm8960_write(codec, WM8960_APOP1, 0);
+ snd_soc_write(codec, WM8960_APOP1, 0);
break;
}
@@ -610,33 +556,33 @@ static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai,
/* Disable the PLL: even if we are changing the frequency the
* PLL needs to be disabled while we do so. */
- wm8960_write(codec, WM8960_CLOCK1,
- wm8960_read(codec, WM8960_CLOCK1) & ~1);
- wm8960_write(codec, WM8960_POWER2,
- wm8960_read(codec, WM8960_POWER2) & ~1);
+ snd_soc_write(codec, WM8960_CLOCK1,
+ snd_soc_read(codec, WM8960_CLOCK1) & ~1);
+ snd_soc_write(codec, WM8960_POWER2,
+ snd_soc_read(codec, WM8960_POWER2) & ~1);
if (!freq_in || !freq_out)
return 0;
- reg = wm8960_read(codec, WM8960_PLL1) & ~0x3f;
+ reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f;
reg |= pll_div.pre_div << 4;
reg |= pll_div.n;
if (pll_div.k) {
reg |= 0x20;
- wm8960_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
- wm8960_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
- wm8960_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
+ snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
+ snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
+ snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
}
- wm8960_write(codec, WM8960_PLL1, reg);
+ snd_soc_write(codec, WM8960_PLL1, reg);
/* Turn it on */
- wm8960_write(codec, WM8960_POWER2,
- wm8960_read(codec, WM8960_POWER2) | 1);
+ snd_soc_write(codec, WM8960_POWER2,
+ snd_soc_read(codec, WM8960_POWER2) | 1);
msleep(250);
- wm8960_write(codec, WM8960_CLOCK1,
- wm8960_read(codec, WM8960_CLOCK1) | 1);
+ snd_soc_write(codec, WM8960_CLOCK1,
+ snd_soc_read(codec, WM8960_CLOCK1) | 1);
return 0;
}
@@ -649,28 +595,28 @@ static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
switch (div_id) {
case WM8960_SYSCLKSEL:
- reg = wm8960_read(codec, WM8960_CLOCK1) & 0x1fe;
- wm8960_write(codec, WM8960_CLOCK1, reg | div);
+ reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1fe;
+ snd_soc_write(codec, WM8960_CLOCK1, reg | div);
break;
case WM8960_SYSCLKDIV:
- reg = wm8960_read(codec, WM8960_CLOCK1) & 0x1f9;
- wm8960_write(codec, WM8960_CLOCK1, reg | div);
+ reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9;
+ snd_soc_write(codec, WM8960_CLOCK1, reg | div);
break;
case WM8960_DACDIV:
- reg = wm8960_read(codec, WM8960_CLOCK1) & 0x1c7;
- wm8960_write(codec, WM8960_CLOCK1, reg | div);
+ reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7;
+ snd_soc_write(codec, WM8960_CLOCK1, reg | div);
break;
case WM8960_OPCLKDIV:
- reg = wm8960_read(codec, WM8960_PLL1) & 0x03f;
- wm8960_write(codec, WM8960_PLL1, reg | div);
+ reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f;
+ snd_soc_write(codec, WM8960_PLL1, reg | div);
break;
case WM8960_DCLKDIV:
- reg = wm8960_read(codec, WM8960_CLOCK2) & 0x03f;
- wm8960_write(codec, WM8960_CLOCK2, reg | div);
+ reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f;
+ snd_soc_write(codec, WM8960_CLOCK2, reg | div);
break;
case WM8960_TOCLKSEL:
- reg = wm8960_read(codec, WM8960_ADDCTL1) & 0x1fd;
- wm8960_write(codec, WM8960_ADDCTL1, reg | div);
+ reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd;
+ snd_soc_write(codec, WM8960_ADDCTL1, reg | div);
break;
default:
return -EINVAL;
@@ -801,7 +747,8 @@ struct snd_soc_codec_device soc_codec_dev_wm8960 = {
};
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8960);
-static int wm8960_register(struct wm8960_priv *wm8960)
+static int wm8960_register(struct wm8960_priv *wm8960,
+ enum snd_soc_control_type control)
{
struct wm8960_data *pdata = wm8960->codec.dev->platform_data;
struct snd_soc_codec *codec = &wm8960->codec;
@@ -810,7 +757,8 @@ static int wm8960_register(struct wm8960_priv *wm8960)
if (wm8960_codec) {
dev_err(codec->dev, "Another WM8960 is registered\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err;
}
if (!pdata) {
@@ -829,8 +777,6 @@ static int wm8960_register(struct wm8960_priv *wm8960)
codec->private_data = wm8960;
codec->name = "WM8960";
codec->owner = THIS_MODULE;
- codec->read = wm8960_read_reg_cache;
- codec->write = wm8960_write;
codec->bias_level = SND_SOC_BIAS_OFF;
codec->set_bias_level = wm8960_set_bias_level;
codec->dai = &wm8960_dai;
@@ -840,10 +786,16 @@ static int wm8960_register(struct wm8960_priv *wm8960)
memcpy(codec->reg_cache, wm8960_reg, sizeof(wm8960_reg));
+ 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;
+ }
+
ret = wm8960_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
- return ret;
+ goto err;
}
wm8960_dai.dev = codec->dev;
@@ -851,43 +803,48 @@ static int wm8960_register(struct wm8960_priv *wm8960)
wm8960_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Latch the update bits */
- reg = wm8960_read(codec, WM8960_LINVOL);
- wm8960_write(codec, WM8960_LINVOL, reg | 0x100);
- reg = wm8960_read(codec, WM8960_RINVOL);
- wm8960_write(codec, WM8960_RINVOL, reg | 0x100);
- reg = wm8960_read(codec, WM8960_LADC);
- wm8960_write(codec, WM8960_LADC, reg | 0x100);
- reg = wm8960_read(codec, WM8960_RADC);
- wm8960_write(codec, WM8960_RADC, reg | 0x100);
- reg = wm8960_read(codec, WM8960_LDAC);
- wm8960_write(codec, WM8960_LDAC, reg | 0x100);
- reg = wm8960_read(codec, WM8960_RDAC);
- wm8960_write(codec, WM8960_RDAC, reg | 0x100);
- reg = wm8960_read(codec, WM8960_LOUT1);
- wm8960_write(codec, WM8960_LOUT1, reg | 0x100);
- reg = wm8960_read(codec, WM8960_ROUT1);
- wm8960_write(codec, WM8960_ROUT1, reg | 0x100);
- reg = wm8960_read(codec, WM8960_LOUT2);
- wm8960_write(codec, WM8960_LOUT2, reg | 0x100);
- reg = wm8960_read(codec, WM8960_ROUT2);
- wm8960_write(codec, WM8960_ROUT2, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_LINVOL);
+ snd_soc_write(codec, WM8960_LINVOL, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_RINVOL);
+ snd_soc_write(codec, WM8960_RINVOL, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_LADC);
+ snd_soc_write(codec, WM8960_LADC, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_RADC);
+ snd_soc_write(codec, WM8960_RADC, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_LDAC);
+ snd_soc_write(codec, WM8960_LDAC, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_RDAC);
+ snd_soc_write(codec, WM8960_RDAC, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_LOUT1);
+ snd_soc_write(codec, WM8960_LOUT1, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_ROUT1);
+ snd_soc_write(codec, WM8960_ROUT1, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_LOUT2);
+ snd_soc_write(codec, WM8960_LOUT2, reg | 0x100);
+ reg = snd_soc_read(codec, WM8960_ROUT2);
+ snd_soc_write(codec, WM8960_ROUT2, reg | 0x100);
wm8960_codec = codec;
ret = snd_soc_register_codec(codec);
if (ret != 0) {
dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- return ret;
+ goto err;
}
ret = snd_soc_register_dai(&wm8960_dai);
if (ret != 0) {
dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- return ret;
+ goto err_codec;
}
return 0;
+
+err_codec:
+ snd_soc_unregister_codec(codec);
+err:
+ kfree(wm8960);
+ return ret;
}
static void wm8960_unregister(struct wm8960_priv *wm8960)
@@ -910,14 +867,13 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
codec = &wm8960->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
i2c_set_clientdata(i2c, wm8960);
codec->control_data = i2c;
codec->dev = &i2c->dev;
- return wm8960_register(wm8960);
+ return wm8960_register(wm8960, SND_SOC_I2C);
}
static __devexit int wm8960_i2c_remove(struct i2c_client *client)
@@ -927,6 +883,21 @@ static __devexit int wm8960_i2c_remove(struct i2c_client *client)
return 0;
}
+#ifdef CONFIG_PM
+static int wm8960_i2c_suspend(struct i2c_client *client, pm_message_t msg)
+{
+ return snd_soc_suspend_device(&client->dev);
+}
+
+static int wm8960_i2c_resume(struct i2c_client *client)
+{
+ return snd_soc_resume_device(&client->dev);
+}
+#else
+#define wm8960_i2c_suspend NULL
+#define wm8960_i2c_resume NULL
+#endif
+
static const struct i2c_device_id wm8960_i2c_id[] = {
{ "wm8960", 0 },
{ }
@@ -940,6 +911,8 @@ static struct i2c_driver wm8960_i2c_driver = {
},
.probe = wm8960_i2c_probe,
.remove = __devexit_p(wm8960_i2c_remove),
+ .suspend = wm8960_i2c_suspend,
+ .resume = wm8960_i2c_resume,
.id_table = wm8960_i2c_id,
};