[alsa-devel] [PATCH] ASoC: da7210: convert to soc-cache
Axel Lin
axel.lin at gmail.com
Wed Oct 12 01:16:25 CEST 2011
Signed-off-by: Axel Lin <axel.lin at gmail.com>
---
Hi Kuninori,
This patch converts da7210 to use soc-cache APIs.
I don't have this hardware, I'd appreciate if you can test this patch.
Thanks,
Axel
sound/soc/codecs/da7210.c | 123 ++++++++++++++++----------------------------
1 files changed, 45 insertions(+), 78 deletions(-)
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 33b4823..1f30ef9 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -162,7 +162,6 @@ static const struct snd_kcontrol_new da7210_snd_controls[] = {
/* Codec private data */
struct da7210_priv {
enum snd_soc_control_type control_type;
- void *control_data;
};
/*
@@ -189,50 +188,16 @@ static const u8 da7210_reg[] = {
0x00, /* R88 */
};
-/*
- * Read da7210 register cache
- */
-static inline u32 da7210_read_reg_cache(struct snd_soc_codec *codec, u32 reg)
-{
- u8 *cache = codec->reg_cache;
- BUG_ON(reg >= ARRAY_SIZE(da7210_reg));
- return cache[reg];
-}
-
-/*
- * Write to the da7210 register space
- */
-static int da7210_write(struct snd_soc_codec *codec, u32 reg, u32 value)
-{
- u8 *cache = codec->reg_cache;
- u8 data[2];
-
- BUG_ON(codec->driver->volatile_register);
-
- data[0] = reg & 0xff;
- data[1] = value & 0xff;
-
- if (reg >= codec->driver->reg_cache_size)
- return -EIO;
-
- if (2 != codec->hw_write(codec->control_data, data, 2))
- return -EIO;
-
- cache[reg] = value;
- return 0;
-}
-
-/*
- * Read from the da7210 register space.
- */
-static inline u32 da7210_read(struct snd_soc_codec *codec, u32 reg)
+static int da7210_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg)
{
- if (DA7210_STATUS == reg)
- return i2c_smbus_read_byte_data(codec->control_data, reg);
-
- return da7210_read_reg_cache(codec, reg);
+ switch (reg) {
+ case DA7210_STATUS:
+ return 1;
+ default:
+ return 0;
+ }
}
-
static int da7210_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@@ -271,13 +236,13 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
u32 fs, bypass;
/* set DAI source to Left and Right ADC */
- da7210_write(codec, DA7210_DAI_SRC_SEL,
+ snd_soc_write(codec, DA7210_DAI_SRC_SEL,
DA7210_DAI_OUT_R_SRC | DA7210_DAI_OUT_L_SRC);
/* Enable DAI */
- da7210_write(codec, DA7210_DAI_CFG3, DA7210_DAI_OE | DA7210_DAI_EN);
+ snd_soc_write(codec, DA7210_DAI_CFG3, DA7210_DAI_OE | DA7210_DAI_EN);
- dai_cfg1 = 0xFC & da7210_read(codec, DA7210_DAI_CFG1);
+ dai_cfg1 = 0xFC & snd_soc_read(codec, DA7210_DAI_CFG1);
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
@@ -290,7 +255,7 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- da7210_write(codec, DA7210_DAI_CFG1, dai_cfg1);
+ snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1);
hpf_reg = (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) ?
DA7210_DAC_HPF : DA7210_ADC_HPF;
@@ -383,8 +348,8 @@ static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
u32 dai_cfg1;
u32 dai_cfg3;
- dai_cfg1 = 0x7f & da7210_read(codec, DA7210_DAI_CFG1);
- dai_cfg3 = 0xfc & da7210_read(codec, DA7210_DAI_CFG3);
+ dai_cfg1 = 0x7f & snd_soc_read(codec, DA7210_DAI_CFG1);
+ dai_cfg3 = 0xfc & snd_soc_read(codec, DA7210_DAI_CFG3);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
@@ -412,8 +377,8 @@ static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
*/
dai_cfg1 |= DA7210_DAI_FLEN_64BIT;
- da7210_write(codec, DA7210_DAI_CFG1, dai_cfg1);
- da7210_write(codec, DA7210_DAI_CFG3, dai_cfg3);
+ snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1);
+ snd_soc_write(codec, DA7210_DAI_CFG3, dai_cfg3);
return 0;
}
@@ -452,11 +417,15 @@ static struct snd_soc_dai_driver da7210_dai = {
static int da7210_probe(struct snd_soc_codec *codec)
{
struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
+ int ret;
dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
- codec->control_data = da7210->control_data;
- codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, da7210->control_type);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
+ }
/* FIXME
*
@@ -473,8 +442,8 @@ static int da7210_probe(struct snd_soc_codec *codec)
/*
* make sure that DA7210 use bypass mode before start up
*/
- da7210_write(codec, DA7210_STARTUP1, 0);
- da7210_write(codec, DA7210_PLL_DIV3,
+ snd_soc_write(codec, DA7210_STARTUP1, 0);
+ snd_soc_write(codec, DA7210_PLL_DIV3,
DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
/*
@@ -482,36 +451,36 @@ static int da7210_probe(struct snd_soc_codec *codec)
*/
/* Enable Left & Right MIC PGA and Mic Bias */
- da7210_write(codec, DA7210_MIC_L, DA7210_MIC_L_EN | DA7210_MICBIAS_EN);
- da7210_write(codec, DA7210_MIC_R, DA7210_MIC_R_EN);
+ snd_soc_write(codec, DA7210_MIC_L, DA7210_MIC_L_EN | DA7210_MICBIAS_EN);
+ snd_soc_write(codec, DA7210_MIC_R, DA7210_MIC_R_EN);
/* Enable Left and Right input PGA */
- da7210_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN);
- da7210_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN);
+ snd_soc_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN);
+ snd_soc_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN);
/* Enable Left and Right ADC */
- da7210_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN);
+ snd_soc_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN);
/*
* DAC settings
*/
/* Enable Left and Right DAC */
- da7210_write(codec, DA7210_DAC_SEL,
+ snd_soc_write(codec, DA7210_DAC_SEL,
DA7210_DAC_L_SRC_DAI_L | DA7210_DAC_L_EN |
DA7210_DAC_R_SRC_DAI_R | DA7210_DAC_R_EN);
/* Enable Left and Right out PGA */
- da7210_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN);
- da7210_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN);
+ snd_soc_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN);
+ snd_soc_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN);
/* Enable Left and Right HeadPhone PGA */
- da7210_write(codec, DA7210_HP_CFG,
+ snd_soc_write(codec, DA7210_HP_CFG,
DA7210_HP_2CAP_MODE | DA7210_HP_SENSE_EN |
DA7210_HP_L_EN | DA7210_HP_MODE | DA7210_HP_R_EN);
/* Diable PLL and bypass it */
- da7210_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);
+ snd_soc_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);
/*
* If 48kHz sound came, it use bypass mode,
@@ -522,22 +491,22 @@ static int da7210_probe(struct snd_soc_codec *codec)
* DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit.
* see da7210_hw_params
*/
- da7210_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
- da7210_write(codec, DA7210_PLL_DIV2, 0x99);
- da7210_write(codec, DA7210_PLL_DIV3, 0x0A |
+ snd_soc_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
+ snd_soc_write(codec, DA7210_PLL_DIV2, 0x99);
+ snd_soc_write(codec, DA7210_PLL_DIV3, 0x0A |
DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
/* As suggested by Dialog */
- da7210_write(codec, DA7210_A_HID_UNLOCK, 0x8B); /* unlock */
- da7210_write(codec, DA7210_A_TEST_UNLOCK, 0xB4);
- da7210_write(codec, DA7210_A_PLL1, 0x01);
- da7210_write(codec, DA7210_A_CP_MODE, 0x7C);
- da7210_write(codec, DA7210_A_HID_UNLOCK, 0x00); /* re-lock */
- da7210_write(codec, DA7210_A_TEST_UNLOCK, 0x00);
+ snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x8B); /* unlock */
+ snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0xB4);
+ snd_soc_write(codec, DA7210_A_PLL1, 0x01);
+ snd_soc_write(codec, DA7210_A_CP_MODE, 0x7C);
+ snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x00); /* re-lock */
+ snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0x00);
/* Activate all enabled subsystem */
- da7210_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
+ snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
snd_soc_add_controls(codec, da7210_snd_controls,
ARRAY_SIZE(da7210_snd_controls));
@@ -549,11 +518,10 @@ static int da7210_probe(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
.probe = da7210_probe,
- .read = da7210_read,
- .write = da7210_write,
.reg_cache_size = ARRAY_SIZE(da7210_reg),
.reg_word_size = sizeof(u8),
.reg_cache_default = da7210_reg,
+ .volatile_register = da7210_volatile_register,
};
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
@@ -568,7 +536,6 @@ static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
i2c_set_clientdata(i2c, da7210);
- da7210->control_data = i2c;
da7210->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
--
1.7.4.1
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