Commit 8b908b86 authored by Philippe Rétornaz's avatar Philippe Rétornaz Committed by Mark Brown
Browse files

ASoC: Add mc13783 codec 



Signed-off-by: default avatarPhilippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent e3a0871c

sound/soc/codecs/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ config SND_SOC_ALL_CODECS 
	select SND_SOC_MAX9850 if I2C

	select SND_SOC_MAX9768 if I2C

	select SND_SOC_MAX9877 if I2C

	select SND_SOC_MC13783 if MFD_MC13XXX

	select SND_SOC_ML26124 if I2C

	select SND_SOC_PCM3008

	select SND_SOC_RT5631 if I2C
@@ -444,6 +445,9 @@ config SND_SOC_MAX9768 
config SND_SOC_MAX9877

	tristate



config SND_SOC_MC13783

	tristate



config SND_SOC_ML26124

	tristate

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ snd-soc-max9768-objs := max9768.o 
snd-soc-max98088-objs := max98088.o

snd-soc-max98095-objs := max98095.o

snd-soc-max9850-objs := max9850.o

snd-soc-mc13783-objs := mc13783.o

snd-soc-ml26124-objs := ml26124.o

snd-soc-pcm3008-objs := pcm3008.o

snd-soc-rt5631-objs := rt5631.o
@@ -140,6 +141,7 @@ obj-$(CONFIG_SND_SOC_MAX9768) += snd-soc-max9768.o 
obj-$(CONFIG_SND_SOC_MAX98088)	+= snd-soc-max98088.o

obj-$(CONFIG_SND_SOC_MAX98095)	+= snd-soc-max98095.o

obj-$(CONFIG_SND_SOC_MAX9850)	+= snd-soc-max9850.o

obj-$(CONFIG_SND_SOC_MC13783)	+= snd-soc-mc13783.o

obj-$(CONFIG_SND_SOC_ML26124)	+= snd-soc-ml26124.o

obj-$(CONFIG_SND_SOC_PCM3008)	+= snd-soc-pcm3008.o

obj-$(CONFIG_SND_SOC_RT5631)	+= snd-soc-rt5631.o

sound/soc/codecs/mc13783.c

0 → 100644
+800 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de

 * Copyright 2009 Sascha Hauer, s.hauer@pengutronix.de

 * Copyright 2012 Philippe Retornaz, philippe.retornaz@epfl.ch

 *

 * Initial development of this code was funded by

 * Phytec Messtechnik GmbH, http://www.phytec.de

 *

 * 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.

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 */

#include <linux/module.h>

#include <linux/device.h>

#include <linux/mfd/mc13xxx.h>

#include <linux/slab.h>

#include <sound/core.h>

#include <sound/control.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <sound/initval.h>

#include <sound/soc-dapm.h>



#include "mc13783.h"



#define MC13783_AUDIO_RX0	36

#define MC13783_AUDIO_RX1	37

#define MC13783_AUDIO_TX	38

#define MC13783_SSI_NETWORK	39

#define MC13783_AUDIO_CODEC	40

#define MC13783_AUDIO_DAC	41



#define AUDIO_RX0_ALSPEN		(1 << 5)

#define AUDIO_RX0_ALSPSEL		(1 << 7)

#define AUDIO_RX0_ADDCDC		(1 << 21)

#define AUDIO_RX0_ADDSTDC		(1 << 22)

#define AUDIO_RX0_ADDRXIN		(1 << 23)



#define AUDIO_RX1_PGARXEN		(1 << 0);

#define AUDIO_RX1_PGASTEN		(1 << 5)

#define AUDIO_RX1_ARXINEN		(1 << 10)



#define AUDIO_TX_AMC1REN		(1 << 5)

#define AUDIO_TX_AMC1LEN		(1 << 7)

#define AUDIO_TX_AMC2EN			(1 << 9)

#define AUDIO_TX_ATXINEN		(1 << 11)

#define AUDIO_TX_RXINREC		(1 << 13)



#define SSI_NETWORK_CDCTXRXSLOT(x)	(((x) & 0x3) << 2)

#define SSI_NETWORK_CDCTXSECSLOT(x)	(((x) & 0x3) << 4)

#define SSI_NETWORK_CDCRXSECSLOT(x)	(((x) & 0x3) << 6)

#define SSI_NETWORK_CDCRXSECGAIN(x)	(((x) & 0x3) << 8)

#define SSI_NETWORK_CDCSUMGAIN(x)	(1 << 10)

#define SSI_NETWORK_CDCFSDLY(x)		(1 << 11)

#define SSI_NETWORK_DAC_SLOTS_8		(1 << 12)

#define SSI_NETWORK_DAC_SLOTS_4		(2 << 12)

#define SSI_NETWORK_DAC_SLOTS_2		(3 << 12)

#define SSI_NETWORK_DAC_SLOT_MASK	(3 << 12)

#define SSI_NETWORK_DAC_RXSLOT_0_1	(0 << 14)

#define SSI_NETWORK_DAC_RXSLOT_2_3	(1 << 14)

#define SSI_NETWORK_DAC_RXSLOT_4_5	(2 << 14)

#define SSI_NETWORK_DAC_RXSLOT_6_7	(3 << 14)

#define SSI_NETWORK_DAC_RXSLOT_MASK	(3 << 14)

#define SSI_NETWORK_STDCRXSECSLOT(x)	(((x) & 0x3) << 16)

#define SSI_NETWORK_STDCRXSECGAIN(x)	(((x) & 0x3) << 18)

#define SSI_NETWORK_STDCSUMGAIN		(1 << 20)



/*

 * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same

 * register layout

 */

#define AUDIO_SSI_SEL			(1 << 0)

#define AUDIO_CLK_SEL			(1 << 1)

#define AUDIO_CSM			(1 << 2)

#define AUDIO_BCL_INV			(1 << 3)

#define AUDIO_CFS_INV			(1 << 4)

#define AUDIO_CFS(x)			(((x) & 0x3) << 5)

#define AUDIO_CLK(x)			(((x) & 0x7) << 7)

#define AUDIO_C_EN			(1 << 11)

#define AUDIO_C_CLK_EN			(1 << 12)

#define AUDIO_C_RESET			(1 << 15)



#define AUDIO_CODEC_CDCFS8K16K		(1 << 10)

#define AUDIO_DAC_CFS_DLY_B		(1 << 10)



struct mc13783_priv {

	struct snd_soc_codec codec;

	struct mc13xxx *mc13xxx;



	enum mc13783_ssi_port adc_ssi_port;

	enum mc13783_ssi_port dac_ssi_port;

};



static unsigned int mc13783_read(struct snd_soc_codec *codec,

	unsigned int reg)

{

	struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);

	unsigned int value = 0;



	mc13xxx_lock(priv->mc13xxx);



	mc13xxx_reg_read(priv->mc13xxx, reg, &value);



	mc13xxx_unlock(priv->mc13xxx);



	return value;

}



static int mc13783_write(struct snd_soc_codec *codec,

	unsigned int reg, unsigned int value)

{

	struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);

	int ret;



	mc13xxx_lock(priv->mc13xxx);



	ret = mc13xxx_reg_write(priv->mc13xxx, reg, value);



	mc13xxx_unlock(priv->mc13xxx);



	return ret;

}



/* Mapping between sample rates and register value */

static unsigned int mc13783_rates[] = {

	8000, 11025, 12000, 16000,

	22050, 24000, 32000, 44100,

	48000, 64000, 96000

};



static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,

				struct snd_pcm_hw_params *params,

				struct snd_soc_dai *dai)

{

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_codec *codec = rtd->codec;

	unsigned int rate = params_rate(params);

	int i;



	for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {

		if (rate == mc13783_rates[i]) {

			snd_soc_update_bits(codec, MC13783_AUDIO_DAC,

					0xf << 17, i << 17);

			return 0;

		}

	}



	return -EINVAL;

}



static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream,

				struct snd_pcm_hw_params *params,

				struct snd_soc_dai *dai)

{

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_codec *codec = rtd->codec;

	unsigned int rate = params_rate(params);

	unsigned int val;



	switch (rate) {

	case 8000:

		val = 0;

		break;

	case 16000:

		val = AUDIO_CODEC_CDCFS8K16K;

		break;

	default:

		return -EINVAL;

	}



	snd_soc_update_bits(codec, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,

			val);



	return 0;

}



static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,

				struct snd_pcm_hw_params *params,

				struct snd_soc_dai *dai)

{

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)

		return mc13783_pcm_hw_params_dac(substream, params, dai);

	else

		return mc13783_pcm_hw_params_codec(substream, params, dai);

}



static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,

			unsigned int reg)

{

	struct snd_soc_codec *codec = dai->codec;

	unsigned int val = 0;

	unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |

				AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;





	/* DAI mode */

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {

	case SND_SOC_DAIFMT_I2S:

		val |= AUDIO_CFS(2);

		break;

	case SND_SOC_DAIFMT_DSP_A:

		val |= AUDIO_CFS(1);

		break;

	default:

		return -EINVAL;

	}



	/* DAI clock inversion */

	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {

	case SND_SOC_DAIFMT_NB_NF:

		val |= AUDIO_BCL_INV;

		break;

	case SND_SOC_DAIFMT_NB_IF:

		val |= AUDIO_BCL_INV | AUDIO_CFS_INV;

		break;

	case SND_SOC_DAIFMT_IB_NF:

		break;

	case SND_SOC_DAIFMT_IB_IF:

		val |= AUDIO_CFS_INV;

		break;

	}



	/* DAI clock master masks */

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {

	case SND_SOC_DAIFMT_CBM_CFM:

		val |= AUDIO_C_CLK_EN;

		break;

	case SND_SOC_DAIFMT_CBS_CFS:

		val |= AUDIO_CSM;

		break;

	case SND_SOC_DAIFMT_CBM_CFS:

	case SND_SOC_DAIFMT_CBS_CFM:

		return -EINVAL;

	}



	val |= AUDIO_C_RESET;



	snd_soc_update_bits(codec, reg, mask, val);



	return 0;

}



static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)

{

	if (dai->id == MC13783_ID_STEREO_DAC)

		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);

	else

		return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);

}



static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)

{

	int ret;



	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);

	if (ret)

		return ret;



	/*

	 * In synchronous mode force the voice codec into slave mode

	 * so that the clock / framesync from the stereo DAC is used

	 */

	fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;

	fmt |= SND_SOC_DAIFMT_CBS_CFS;

	ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);



	return ret;

}



static int mc13783_sysclk[] = {

	13000000,

	15360000,

	16800000,

	-1,

	26000000,

	-1, /* 12000000, invalid for voice codec */

	-1, /* 3686400, invalid for voice codec */

	33600000,

};



static int mc13783_set_sysclk(struct snd_soc_dai *dai,

				  int clk_id, unsigned int freq, int dir,

				  unsigned int reg)

{

	struct snd_soc_codec *codec = dai->codec;

	int clk;

	unsigned int val = 0;

	unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;



	for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {

		if (mc13783_sysclk[clk] < 0)

			continue;

		if (mc13783_sysclk[clk] == freq)

			break;

	}



	if (clk == ARRAY_SIZE(mc13783_sysclk))

		return -EINVAL;



	if (clk_id == MC13783_CLK_CLIB)

		val |= AUDIO_CLK_SEL;



	val |= AUDIO_CLK(clk);



	snd_soc_update_bits(codec, reg, mask, val);



	return 0;

}



static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,

				  int clk_id, unsigned int freq, int dir)

{

	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);

}



static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,

				  int clk_id, unsigned int freq, int dir)

{

	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);

}



static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,

				  int clk_id, unsigned int freq, int dir)

{

	int ret;



	ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);

	if (ret)

		return ret;



	return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);

}



static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,

	unsigned int tx_mask, unsigned int rx_mask, int slots,

	int slot_width)

{

	struct snd_soc_codec *codec = dai->codec;

	unsigned int val = 0;

	unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |

				SSI_NETWORK_DAC_RXSLOT_MASK;



	switch (slots) {

	case 2:

		val |= SSI_NETWORK_DAC_SLOTS_2;

		break;

	case 4:

		val |= SSI_NETWORK_DAC_SLOTS_4;

		break;

	case 8:

		val |= SSI_NETWORK_DAC_SLOTS_8;

		break;

	default:

		return -EINVAL;

	}



	switch (rx_mask) {

	case 0xfffffffc:

		val |= SSI_NETWORK_DAC_RXSLOT_0_1;

		break;

	case 0xfffffff3:

		val |= SSI_NETWORK_DAC_RXSLOT_2_3;

		break;

	case 0xffffffcf:

		val |= SSI_NETWORK_DAC_RXSLOT_4_5;

		break;

	case 0xffffff3f:

		val |= SSI_NETWORK_DAC_RXSLOT_6_7;

		break;

	default:

		return -EINVAL;

	};



	snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);



	return 0;

}



static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,

	unsigned int tx_mask, unsigned int rx_mask, int slots,

	int slot_width)

{

	struct snd_soc_codec *codec = dai->codec;

	unsigned int val = 0;

	unsigned int mask = 0x3f;



	if (slots != 4)

		return -EINVAL;



	if (tx_mask != 0xfffffffc)

		return -EINVAL;



	val |= (0x00 << 2);	/* primary timeslot RX/TX(?) is 0 */

	val |= (0x01 << 4);	/* secondary timeslot TX is 1 */



	snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val);



	return 0;

}



static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,

	unsigned int tx_mask, unsigned int rx_mask, int slots,

	int slot_width)

{

	int ret;



	ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,

			slot_width);

	if (ret)

		return ret;



	ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,

			slot_width);



	return ret;

}



static const struct snd_kcontrol_new mc1l_amp_ctl =

	SOC_DAPM_SINGLE("Switch", 38, 7, 1, 0);



static const struct snd_kcontrol_new mc1r_amp_ctl =

	SOC_DAPM_SINGLE("Switch", 38, 5, 1, 0);



static const struct snd_kcontrol_new mc2_amp_ctl =

	SOC_DAPM_SINGLE("Switch", 38, 9, 1, 0);



static const struct snd_kcontrol_new atx_amp_ctl =

	SOC_DAPM_SINGLE("Switch", 38, 11, 1, 0);





/* Virtual mux. The chip does the input selection automatically

 * as soon as we enable one input. */

static const char * const adcl_enum_text[] = {

	"MC1L", "RXINL",

};



static const struct soc_enum adcl_enum =

	SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(adcl_enum_text), adcl_enum_text);



static const struct snd_kcontrol_new left_input_mux =

	SOC_DAPM_ENUM_VIRT("Route", adcl_enum);



static const char * const adcr_enum_text[] = {

	"MC1R", "MC2", "RXINR", "TXIN",

};



static const struct soc_enum adcr_enum =

	SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(adcr_enum_text), adcr_enum_text);



static const struct snd_kcontrol_new right_input_mux =

	SOC_DAPM_ENUM_VIRT("Route", adcr_enum);



static const struct snd_kcontrol_new samp_ctl =

	SOC_DAPM_SINGLE("Switch", 36, 3, 1, 0);



static const struct snd_kcontrol_new lamp_ctl =

	SOC_DAPM_SINGLE("Switch", 36, 5, 1, 0);



static const struct snd_kcontrol_new hlamp_ctl =

	SOC_DAPM_SINGLE("Switch", 36, 10, 1, 0);



static const struct snd_kcontrol_new hramp_ctl =

	SOC_DAPM_SINGLE("Switch", 36, 9, 1, 0);



static const struct snd_kcontrol_new llamp_ctl =

	SOC_DAPM_SINGLE("Switch", 36, 16, 1, 0);



static const struct snd_kcontrol_new lramp_ctl =

	SOC_DAPM_SINGLE("Switch", 36, 15, 1, 0);



static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {

/* Input */

	SND_SOC_DAPM_INPUT("MC1LIN"),

	SND_SOC_DAPM_INPUT("MC1RIN"),

	SND_SOC_DAPM_INPUT("MC2IN"),

	SND_SOC_DAPM_INPUT("RXINR"),

	SND_SOC_DAPM_INPUT("RXINL"),

	SND_SOC_DAPM_INPUT("TXIN"),



	SND_SOC_DAPM_SUPPLY("MC1 Bias", 38, 0, 0, NULL, 0),

	SND_SOC_DAPM_SUPPLY("MC2 Bias", 38, 1, 0, NULL, 0),



	SND_SOC_DAPM_SWITCH("MC1L Amp", 38, 7, 0, &mc1l_amp_ctl),

	SND_SOC_DAPM_SWITCH("MC1R Amp", 38, 5, 0, &mc1r_amp_ctl),

	SND_SOC_DAPM_SWITCH("MC2 Amp", 38, 9, 0, &mc2_amp_ctl),

	SND_SOC_DAPM_SWITCH("TXIN Amp", 38, 11, 0, &atx_amp_ctl),



	SND_SOC_DAPM_VIRT_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,

			      &left_input_mux),

	SND_SOC_DAPM_VIRT_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,

			      &right_input_mux),



	SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),

	SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),



	SND_SOC_DAPM_ADC("ADC", "Capture", 40, 11, 0),

	SND_SOC_DAPM_SUPPLY("ADC_Reset", 40, 15, 0, NULL, 0),



/* Output */

	SND_SOC_DAPM_SUPPLY("DAC_E", 41, 11, 0, NULL, 0),

	SND_SOC_DAPM_SUPPLY("DAC_Reset", 41, 15, 0, NULL, 0),

	SND_SOC_DAPM_OUTPUT("RXOUTL"),

	SND_SOC_DAPM_OUTPUT("RXOUTR"),

	SND_SOC_DAPM_OUTPUT("HSL"),

	SND_SOC_DAPM_OUTPUT("HSR"),

	SND_SOC_DAPM_OUTPUT("LSP"),

	SND_SOC_DAPM_OUTPUT("SP"),



	SND_SOC_DAPM_SWITCH("Speaker Amp", 36, 3, 0, &samp_ctl),

	SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),

	SND_SOC_DAPM_SWITCH("Headset Amp Left", 36, 10, 0, &hlamp_ctl),

	SND_SOC_DAPM_SWITCH("Headset Amp Right", 36, 9, 0, &hramp_ctl),

	SND_SOC_DAPM_SWITCH("Line out Amp Left", 36, 16, 0, &llamp_ctl),

	SND_SOC_DAPM_SWITCH("Line out Amp Right", 36, 15, 0, &lramp_ctl),

	SND_SOC_DAPM_DAC("DAC", "Playback", 36, 22, 0),

	SND_SOC_DAPM_PGA("DAC PGA", 37, 5, 0, NULL, 0),

};



static struct snd_soc_dapm_route mc13783_routes[] = {

/* Input */

	{ "MC1L Amp", NULL, "MC1LIN"},

	{ "MC1R Amp", NULL, "MC1RIN" },

	{ "MC2 Amp", NULL, "MC2IN" },

	{ "TXIN Amp", NULL, "TXIN"},



	{ "PGA Left Input Mux", "MC1L", "MC1L Amp" },

	{ "PGA Left Input Mux", "RXINL", "RXINL"},

	{ "PGA Right Input Mux", "MC1R", "MC1R Amp" },

	{ "PGA Right Input Mux", "MC2",  "MC2 Amp"},

	{ "PGA Right Input Mux", "TXIN", "TXIN Amp"},

	{ "PGA Right Input Mux", "RXINR", "RXINR"},



	{ "PGA Left Input", NULL, "PGA Left Input Mux"},

	{ "PGA Right Input", NULL, "PGA Right Input Mux"},



	{ "ADC", NULL, "PGA Left Input"},

	{ "ADC", NULL, "PGA Right Input"},

	{ "ADC", NULL, "ADC_Reset"},



/* Output */

	{ "HSL", NULL, "Headset Amp Left" },

	{ "HSR", NULL, "Headset Amp Right"},

	{ "RXOUTL", NULL, "Line out Amp Left"},

	{ "RXOUTR", NULL, "Line out Amp Right"},

	{ "SP", NULL, "Speaker Amp"},

	{ "Speaker Amp", NULL, "DAC PGA"},

	{ "LSP", NULL, "DAC PGA"},

	{ "Headset Amp Left", NULL, "DAC PGA"},

	{ "Headset Amp Right", NULL, "DAC PGA"},

	{ "Line out Amp Left", NULL, "DAC PGA"},

	{ "Line out Amp Right", NULL, "DAC PGA"},

	{ "DAC PGA", NULL, "DAC"},

	{ "DAC", NULL, "DAC_E"},

};



static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",

						"Mono", "Mono Mix"};



static const struct soc_enum mc13783_enum_3d_mixer =

	SOC_ENUM_SINGLE(MC13783_AUDIO_RX1, 16, ARRAY_SIZE(mc13783_3d_mixer),

			mc13783_3d_mixer);



static struct snd_kcontrol_new mc13783_control_list[] = {

	SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),

	SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),

	SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),

	SOC_ENUM("3D Control", mc13783_enum_3d_mixer),

};



static int mc13783_probe(struct snd_soc_codec *codec)

{

	struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);

	struct snd_soc_dapm_context *dapm = &codec->dapm;



	mc13xxx_lock(priv->mc13xxx);



	/* these are the reset values */

	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);

	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);

	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);

	mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);

	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);

	mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);



	snd_soc_add_codec_controls(codec, mc13783_control_list,

					ARRAY_SIZE(mc13783_control_list));



	snd_soc_dapm_new_controls(dapm, mc13783_dapm_widgets,

					ARRAY_SIZE(mc13783_dapm_widgets));

	snd_soc_dapm_add_routes(dapm, mc13783_routes,

					ARRAY_SIZE(mc13783_routes));



	if (priv->adc_ssi_port == MC13783_SSI1_PORT)

		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,

				AUDIO_SSI_SEL, 0);

	else

		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,

				0, AUDIO_SSI_SEL);



	if (priv->dac_ssi_port == MC13783_SSI1_PORT)

		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,

				AUDIO_SSI_SEL, 0);

	else

		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,

				0, AUDIO_SSI_SEL);



	mc13xxx_unlock(priv->mc13xxx);



	return 0;

}



static int mc13783_remove(struct snd_soc_codec *codec)

{

	struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);



	mc13xxx_lock(priv->mc13xxx);



	/* Make sure VAUDIOON is off */

	mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);



	mc13xxx_unlock(priv->mc13xxx);



	return 0;

}



#define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)



#define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\

	SNDRV_PCM_FMTBIT_S24_LE)



static struct snd_soc_dai_ops mc13783_ops_dac = {

	.hw_params	= mc13783_pcm_hw_params_dac,

	.set_fmt	= mc13783_set_fmt_async,

	.set_sysclk	= mc13783_set_sysclk_dac,

	.set_tdm_slot	= mc13783_set_tdm_slot_dac,

};



static struct snd_soc_dai_ops mc13783_ops_codec = {

	.hw_params	= mc13783_pcm_hw_params_codec,

	.set_fmt	= mc13783_set_fmt_async,

	.set_sysclk	= mc13783_set_sysclk_codec,

	.set_tdm_slot	= mc13783_set_tdm_slot_codec,

};



/*

 * The mc13783 has two SSI ports, both of them can be routed either

 * to the voice codec or the stereo DAC. When two different SSI ports

 * are used for the voice codec and the stereo DAC we can do different

 * formats and sysclock settings for playback and capture

 * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port

 * forces us to use symmetric rates (mc13783-hifi).

 */

static struct snd_soc_dai_driver mc13783_dai_async[] = {

	{

		.name = "mc13783-hifi-playback",

		.id = MC13783_ID_STEREO_DAC,

		.playback = {

			.stream_name = "Playback",

			.channels_min = 1,

			.channels_max = 2,

			.rates = SNDRV_PCM_RATE_8000_96000,

			.formats = MC13783_FORMATS,

		},

		.ops = &mc13783_ops_dac,

	}, {

		.name = "mc13783-hifi-capture",

		.id = MC13783_ID_STEREO_CODEC,

		.capture = {

			.stream_name = "Capture",

			.channels_min = 1,

			.channels_max = 2,

			.rates = MC13783_RATES_RECORD,

			.formats = MC13783_FORMATS,

		},

		.ops = &mc13783_ops_codec,

	},

};



static struct snd_soc_dai_ops mc13783_ops_sync = {

	.hw_params	= mc13783_pcm_hw_params_sync,

	.set_fmt	= mc13783_set_fmt_sync,

	.set_sysclk	= mc13783_set_sysclk_sync,

	.set_tdm_slot	= mc13783_set_tdm_slot_sync,

};



static struct snd_soc_dai_driver mc13783_dai_sync[] = {

	{

		.name = "mc13783-hifi",

		.id = MC13783_ID_SYNC,

		.playback = {

			.stream_name = "Playback",

			.channels_min = 1,

			.channels_max = 2,

			.rates = SNDRV_PCM_RATE_8000_96000,

			.formats = MC13783_FORMATS,

		},

		.capture = {

			.stream_name = "Capture",

			.channels_min = 1,

			.channels_max = 2,

			.rates = MC13783_RATES_RECORD,

			.formats = MC13783_FORMATS,

		},

		.ops = &mc13783_ops_sync,

		.symmetric_rates = 1,

	}

};



static struct snd_soc_codec_driver soc_codec_dev_mc13783 = {

	.probe		= mc13783_probe,

	.remove		= mc13783_remove,

	.read		= mc13783_read,

	.write		= mc13783_write,

};



static int mc13783_codec_probe(struct platform_device *pdev)

{

	struct mc13xxx *mc13xxx;

	struct mc13783_priv *priv;

	struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;

	int ret;



	mc13xxx = dev_get_drvdata(pdev->dev.parent);





	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);

	if (priv == NULL)

		return -ENOMEM;



	dev_set_drvdata(&pdev->dev, priv);

	priv->mc13xxx = mc13xxx;

	if (pdata) {

		priv->adc_ssi_port = pdata->adc_ssi_port;

		priv->dac_ssi_port = pdata->dac_ssi_port;

	} else {

		priv->adc_ssi_port = MC13783_SSI1_PORT;

		priv->dac_ssi_port = MC13783_SSI2_PORT;

	}



	if (priv->adc_ssi_port == priv->dac_ssi_port)

		ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,

			mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));

	else

		ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,

			mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));



	if (ret)

		goto err_register_codec;



	return 0;



err_register_codec:

	dev_err(&pdev->dev, "register codec failed with %d\n", ret);



	return ret;

}



static int mc13783_codec_remove(struct platform_device *pdev)

{

	snd_soc_unregister_codec(&pdev->dev);



	return 0;

}



static struct platform_driver mc13783_codec_driver = {

	.driver = {

		   .name = "mc13783-codec",

		   .owner = THIS_MODULE,

		   },

	.probe = mc13783_codec_probe,

	.remove = __devexit_p(mc13783_codec_remove),

};



static __init int mc13783_init(void)

{

	return platform_driver_register(&mc13783_codec_driver);

}



static __exit void mc13783_exit(void)

{

	platform_driver_unregister(&mc13783_codec_driver);

}



module_init(mc13783_init);

module_exit(mc13783_exit);



MODULE_DESCRIPTION("ASoC MC13783 driver");

MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");

MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");

MODULE_LICENSE("GPL");

sound/soc/codecs/mc13783.h

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Original line number Diff line number Diff line 
/*

 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de

 *

 * 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.

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software Foundation, Inc.

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */



#ifndef MC13783_MIXER_H

#define MC13783_MIXER_H



#define MC13783_CLK_CLIA	1

#define MC13783_CLK_CLIB	2



#define MC13783_ID_STEREO_DAC	1

#define MC13783_ID_STEREO_CODEC	2

#define MC13783_ID_SYNC		3



#endif /* MC13783_MIXER_H */