Commit 19ba484d authored by Oder Chiou's avatar Oder Chiou Committed by Mark Brown
Browse files

ASoC: rt5677: Use specific r/w function for DSP mode 



In DSP mode, the register r/w should use the specific function to access
that is invoked by address mapping of the DSP.

The MX-65[1] is for switching DSP or codec mode.

Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d65fd3a4

sound/soc/codecs/rt5677.c

+100 −67
Original line number Diff line number Diff line
@@ -541,49 +541,51 @@ static bool rt5677_readable_register(struct device *dev, unsigned int reg) 


/**

 * rt5677_dsp_mode_i2c_write_addr - Write value to address on DSP mode.

 * @codec: SoC audio codec device.

 * @rt5677: Private Data.

 * @addr: Address index.

 * @value: Address data.

 *

 *

 * Returns 0 for success or negative error code.

 */

static int rt5677_dsp_mode_i2c_write_addr(struct snd_soc_codec *codec,

static int rt5677_dsp_mode_i2c_write_addr(struct rt5677_priv *rt5677,

		unsigned int addr, unsigned int value, unsigned int opcode)

{

	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);

	struct snd_soc_codec *codec = rt5677->codec;

	int ret;



	mutex_lock(&rt5677->dsp_cmd_lock);



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_ADDR_MSB, addr >> 16);

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_ADDR_MSB,

		addr >> 16);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set addr msb value: %d\n", ret);

		goto err;

	}



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_ADDR_LSB,

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_ADDR_LSB,

		addr & 0xffff);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set addr lsb value: %d\n", ret);

		goto err;

	}



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_DATA_MSB,

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_DATA_MSB,

		value >> 16);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set data msb value: %d\n", ret);

		goto err;

	}



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_DATA_LSB,

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_DATA_LSB,

		value & 0xffff);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set data lsb value: %d\n", ret);

		goto err;

	}



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_OP_CODE, opcode);

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_OP_CODE,

		opcode);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set op code value: %d\n", ret);

		goto err;
@@ -597,42 +599,45 @@ err: 


/**

 * rt5677_dsp_mode_i2c_read_addr - Read value from address on DSP mode.

 * @codec: SoC audio codec device.

 * rt5677: Private Data.

 * @addr: Address index.

 * @value: Address data.

 *

 *

 * Returns 0 for success or negative error code.

 */

static int rt5677_dsp_mode_i2c_read_addr(

	struct snd_soc_codec *codec, unsigned int addr, unsigned int *value)

	struct rt5677_priv *rt5677, unsigned int addr, unsigned int *value)

{

	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);

	struct snd_soc_codec *codec = rt5677->codec;

	int ret;

	unsigned int msb, lsb;



	mutex_lock(&rt5677->dsp_cmd_lock);



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_ADDR_MSB, addr >> 16);

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_ADDR_MSB,

		addr >> 16);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set addr msb value: %d\n", ret);

		goto err;

	}



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_ADDR_LSB,

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_ADDR_LSB,

		addr & 0xffff);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set addr lsb value: %d\n", ret);

		goto err;

	}



	ret = regmap_write(rt5677->regmap, RT5677_DSP_I2C_OP_CODE , 0x0002);

	ret = regmap_write(rt5677->regmap_physical, RT5677_DSP_I2C_OP_CODE,

		0x0002);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to set op code value: %d\n", ret);

		goto err;

	}



	regmap_read(rt5677->regmap, RT5677_DSP_I2C_DATA_MSB, &msb);

	regmap_read(rt5677->regmap, RT5677_DSP_I2C_DATA_LSB, &lsb);

	regmap_read(rt5677->regmap_physical, RT5677_DSP_I2C_DATA_MSB, &msb);

	regmap_read(rt5677->regmap_physical, RT5677_DSP_I2C_DATA_LSB, &lsb);

	*value = (msb << 16) | lsb;



err:
@@ -643,17 +648,17 @@ err: 


/**

 * rt5677_dsp_mode_i2c_write - Write register on DSP mode.

 * @codec: SoC audio codec device.

 * rt5677: Private Data.

 * @reg: Register index.

 * @value: Register data.

 *

 *

 * Returns 0 for success or negative error code.

 */

static int rt5677_dsp_mode_i2c_write(struct snd_soc_codec *codec,

static int rt5677_dsp_mode_i2c_write(struct rt5677_priv *rt5677,

		unsigned int reg, unsigned int value)

{

	return rt5677_dsp_mode_i2c_write_addr(codec, 0x18020000 + reg * 2,

	return rt5677_dsp_mode_i2c_write_addr(rt5677, 0x18020000 + reg * 2,

		value, 0x0001);

}
@@ -661,57 +666,33 @@ static int rt5677_dsp_mode_i2c_write(struct snd_soc_codec *codec, 
 * rt5677_dsp_mode_i2c_read - Read register on DSP mode.

 * @codec: SoC audio codec device.

 * @reg: Register index.

 * @value: Register data.

 *

 *

 * Returns Register value.

 * Returns 0 for success or negative error code.

 */

static unsigned int rt5677_dsp_mode_i2c_read(

	struct snd_soc_codec *codec, unsigned int reg)

static int rt5677_dsp_mode_i2c_read(

	struct rt5677_priv *rt5677, unsigned int reg, unsigned int *value)

{

	unsigned int value = 0;

	int ret = rt5677_dsp_mode_i2c_read_addr(rt5677, 0x18020000 + reg * 2,

		value);



	rt5677_dsp_mode_i2c_read_addr(codec, 0x18020000 + reg * 2, &value);

	*value &= 0xffff;



	return value;

	return ret;

}



/**

 * rt5677_dsp_mode_i2c_update_bits - update register on DSP mode.

 * @codec: audio codec

 * @reg: register index.

 * @mask: register mask

 * @value: new value

 *

 *

 * Returns 1 for change, 0 for no change, or negative error code.

 */

static int rt5677_dsp_mode_i2c_update_bits(struct snd_soc_codec *codec,

	unsigned int reg, unsigned int mask, unsigned int value)

static void rt5677_set_dsp_mode(struct snd_soc_codec *codec, bool on)

{

	unsigned int old, new;

	int change, ret;



	ret = rt5677_dsp_mode_i2c_read(codec, reg);

	if (ret < 0) {

		dev_err(codec->dev, "Failed to read reg: %d\n", ret);

		goto err;

	}

	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);



	old = ret;

	new = (old & ~mask) | (value & mask);

	change = old != new;

	if (change) {

		ret = rt5677_dsp_mode_i2c_write(codec, reg, new);

		if (ret < 0) {

			dev_err(codec->dev,

				"Failed to write reg: %d\n", ret);

			goto err;

		}

	if (on) {

		regmap_update_bits(rt5677->regmap, RT5677_PWR_DSP1, 0x2, 0x2);

		rt5677->is_dsp_mode = true;

	} else {

		regmap_update_bits(rt5677->regmap, RT5677_PWR_DSP1, 0x2, 0x0);

		rt5677->is_dsp_mode = false;

	}

	return change;



err:

	return ret;

}



static int rt5677_set_dsp_vad(struct snd_soc_codec *codec, bool on)
@@ -733,9 +714,14 @@ static int rt5677_set_dsp_vad(struct snd_soc_codec *codec, bool on) 
			RT5677_LDO1_SEL_MASK, 0x0);

		regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG2,

			RT5677_PWR_LDO1, RT5677_PWR_LDO1);

		regmap_write(rt5677->regmap, RT5677_GLB_CLK2, 0x0080);

		regmap_update_bits(rt5677->regmap, RT5677_GLB_CLK1,

			RT5677_MCLK_SRC_MASK, RT5677_MCLK2_SRC);

		regmap_update_bits(rt5677->regmap, RT5677_GLB_CLK2,

			RT5677_PLL2_PR_SRC_MASK | RT5677_DSP_CLK_SRC_MASK,

			RT5677_PLL2_PR_SRC_MCLK2 | RT5677_DSP_CLK_SRC_BYPASS);

		regmap_write(rt5677->regmap, RT5677_PWR_DSP2, 0x07ff);

		regmap_write(rt5677->regmap, RT5677_PWR_DSP1, 0x07ff);

		regmap_write(rt5677->regmap, RT5677_PWR_DSP1, 0x07fd);

		rt5677_set_dsp_mode(codec, true);



		ret = request_firmware(&rt5677->fw1, RT5677_FIRMWARE1,

			codec->dev);
@@ -751,8 +737,7 @@ static int rt5677_set_dsp_vad(struct snd_soc_codec *codec, bool on) 
			release_firmware(rt5677->fw2);

		}



		rt5677_dsp_mode_i2c_update_bits(codec, RT5677_PWR_DSP1, 0x1,

			0x0);

		regmap_update_bits(rt5677->regmap, RT5677_PWR_DSP1, 0x1, 0x0);



		regcache_cache_bypass(rt5677->regmap, false);

		regcache_cache_only(rt5677->regmap, true);
@@ -762,9 +747,9 @@ static int rt5677_set_dsp_vad(struct snd_soc_codec *codec, bool on) 
		regcache_cache_only(rt5677->regmap, false);

		regcache_cache_bypass(rt5677->regmap, true);



		rt5677_dsp_mode_i2c_update_bits(codec, RT5677_PWR_DSP1, 0x1,

			0x1);

		rt5677_dsp_mode_i2c_write(codec, RT5677_PWR_DSP1, 0x0001);

		regmap_update_bits(rt5677->regmap, RT5677_PWR_DSP1, 0x1, 0x1);

		rt5677_set_dsp_mode(codec, false);

		regmap_write(rt5677->regmap, RT5677_PWR_DSP1, 0x0001);



		regmap_write(rt5677->regmap, RT5677_RESET, 0x10ec);
@@ -4019,6 +4004,32 @@ static int rt5677_resume(struct snd_soc_codec *codec) 
#define rt5677_resume NULL

#endif



static int rt5677_read(void *context, unsigned int reg, unsigned int *val)

{

	struct i2c_client *client = context;

	struct rt5677_priv *rt5677 = i2c_get_clientdata(client);



	if (rt5677->is_dsp_mode)

		rt5677_dsp_mode_i2c_read(rt5677, reg, val);

	else

		regmap_read(rt5677->regmap_physical, reg, val);



	return 0;

}



static int rt5677_write(void *context, unsigned int reg, unsigned int val)

{

	struct i2c_client *client = context;

	struct rt5677_priv *rt5677 = i2c_get_clientdata(client);



	if (rt5677->is_dsp_mode)

		rt5677_dsp_mode_i2c_write(rt5677, reg, val);

	else

		regmap_write(rt5677->regmap_physical, reg, val);



	return 0;

}



#define RT5677_STEREO_RATES SNDRV_PCM_RATE_8000_96000

#define RT5677_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \

			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
@@ -4144,6 +4155,17 @@ static struct snd_soc_codec_driver soc_codec_dev_rt5677 = { 
	.num_dapm_routes = ARRAY_SIZE(rt5677_dapm_routes),

};



static const struct regmap_config rt5677_regmap_physical = {

	.name = "physical",

	.reg_bits = 8,

	.val_bits = 16,



	.max_register = RT5677_VENDOR_ID2 + 1,

	.readable_reg = rt5677_readable_register,



	.cache_type = REGCACHE_NONE,

};



static const struct regmap_config rt5677_regmap = {

	.reg_bits = 8,

	.val_bits = 16,
@@ -4153,6 +4175,8 @@ static const struct regmap_config rt5677_regmap = { 


	.volatile_reg = rt5677_volatile_register,

	.readable_reg = rt5677_readable_register,

	.reg_read = rt5677_read,

	.reg_write = rt5677_write,



	.cache_type = REGCACHE_RBTREE,

	.reg_defaults = rt5677_reg,
@@ -4309,7 +4333,16 @@ static int rt5677_i2c_probe(struct i2c_client *i2c, 
		msleep(10);

	}



	rt5677->regmap = devm_regmap_init_i2c(i2c, &rt5677_regmap);

	rt5677->regmap_physical = devm_regmap_init_i2c(i2c,

					&rt5677_regmap_physical);

	if (IS_ERR(rt5677->regmap_physical)) {

		ret = PTR_ERR(rt5677->regmap_physical);

		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",

			ret);

		return ret;

	}



	rt5677->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5677_regmap);

	if (IS_ERR(rt5677->regmap)) {

		ret = PTR_ERR(rt5677->regmap);

		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",

sound/soc/codecs/rt5677.h

+2 −1
Original line number Diff line number Diff line
@@ -1628,7 +1628,7 @@ enum { 
struct rt5677_priv {

	struct snd_soc_codec *codec;

	struct rt5677_platform_data pdata;

	struct regmap *regmap;

	struct regmap *regmap, *regmap_physical;

	const struct firmware *fw1, *fw2;

	struct mutex dsp_cmd_lock;
@@ -1646,6 +1646,7 @@ struct rt5677_priv { 
#endif

	bool dsp_vad_en;

	struct regmap_irq_chip_data *irq_data;

	bool is_dsp_mode;

};



#endif /* __RT5677_H__ */

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