Merge remote-tracking branches 'asoc/topic/qcom', 'asoc/topic/rcar',...

* Qualcomm Technologies APQ8016 SBC ASoC machine driver

This node models the Qualcomm Technologies APQ8016 SBC ASoC machine driver

Required properties:

- compatible		: "qcom,apq8016-sbc-sndcard"

- pinctrl-N		: One property must exist for each entry in

			  pinctrl-names.  See ../pinctrl/pinctrl-bindings.txt

			  for details of the property values.

- pinctrl-names		: Must contain a "default" entry.

- reg			: Must contain an address for each entry in reg-names.

- reg-names		: A list which must include the following entries:

				* "mic-iomux"

				* "spkr-iomux"

- qcom,model		: Name of the sound card.

Dai-link subnode properties and subnodes:

Required dai-link subnodes:

- cpu					: CPU   sub-node

- codec					: CODEC sub-node

Required CPU/CODEC subnodes properties:

-link-name		: Name of the dai link.

-sound-dai		: phandle and port of CPU/CODEC

-capture-dai		: phandle and port of CPU/CODEC

Example:

sound: sound {

	compatible = "qcom,apq8016-sbc-sndcard";

	reg = <0x07702000 0x4>, <0x07702004 0x4>;

	reg-names = "mic-iomux", "spkr-iomux";

	qcom,model = "DB410c";

	/* I2S - Internal codec */

	internal-dai-link@0 {

		cpu { /* PRIMARY */

			sound-dai = <&lpass MI2S_PRIMARY>;

		};

		codec {

			sound-dai = <&wcd_codec 0>;

		};

	};

	/* External Primary or External Secondary -ADV7533 HDMI */

	external-dai-link@0 {

		link-name = "ADV7533";

		cpu { /* QUAT */

			sound-dai = <&lpass MI2S_QUATERNARY>;

		};

		codec {

			sound-dai = <&adv_bridge 0>;

		};

	};

};

	default m if SND_SOC_RT5670=m

	default m if SND_SOC_RT5677=m

config SND_SOC_RL6347A

	tristate

	default y if SND_SOC_RT286=y

	default m if SND_SOC_RT286=m

config SND_SOC_RT286

	tristate

	depends on I2C

snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o

snd-soc-pcm512x-spi-objs := pcm512x-spi.o

snd-soc-rl6231-objs := rl6231.o

snd-soc-rl6347a-objs := rl6347a.o

snd-soc-rt286-objs := rt286.o

snd-soc-rt5631-objs := rt5631.o

snd-soc-rt5640-objs := rt5640.o

obj-$(CONFIG_SND_SOC_PCM512x_I2C)	+= snd-soc-pcm512x-i2c.o

obj-$(CONFIG_SND_SOC_PCM512x_SPI)	+= snd-soc-pcm512x-spi.o

obj-$(CONFIG_SND_SOC_RL6231)	+= snd-soc-rl6231.o

obj-$(CONFIG_SND_SOC_RL6347A)	+= snd-soc-rl6347a.o

obj-$(CONFIG_SND_SOC_RT286)	+= snd-soc-rt286.o

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

obj-$(CONFIG_SND_SOC_RT5640)	+= snd-soc-rt5640.o

/*

 * rl6347a.c - RL6347A class device shared support

 *

 * Copyright 2015 Realtek Semiconductor Corp.

 *

 * Author: Oder Chiou <oder_chiou@realtek.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

#include <linux/module.h>

#include <linux/moduleparam.h>

#include <linux/init.h>

#include <linux/delay.h>

#include <linux/pm.h>

#include <linux/i2c.h>

#include <linux/platform_device.h>

#include <linux/spi/spi.h>

#include <linux/dmi.h>

#include <linux/acpi.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 <sound/jack.h>

#include <linux/workqueue.h>

#include <sound/hda_verbs.h>

#include "rl6347a.h"

int rl6347a_hw_write(void *context, unsigned int reg, unsigned int value)

{

	struct i2c_client *client = context;

	struct rl6347a_priv *rl6347a = i2c_get_clientdata(client);

	u8 data[4];

	int ret, i;

	/* handle index registers */

	if (reg <= 0xff) {

		rl6347a_hw_write(client, RL6347A_COEF_INDEX, reg);

		for (i = 0; i < rl6347a->index_cache_size; i++) {

			if (reg == rl6347a->index_cache[i].reg) {

				rl6347a->index_cache[i].def = value;

				break;

			}

		}

		reg = RL6347A_PROC_COEF;

	}

	data[0] = (reg >> 24) & 0xff;

	data[1] = (reg >> 16) & 0xff;

	/*

	 * 4 bit VID: reg should be 0

	 * 12 bit VID: value should be 0

	 * So we use an OR operator to handle it rather than use if condition.

	 */

	data[2] = ((reg >> 8) & 0xff) | ((value >> 8) & 0xff);

	data[3] = value & 0xff;

	ret = i2c_master_send(client, data, 4);

	if (ret == 4)

		return 0;

	else

		pr_err("ret=%d\n", ret);

	if (ret < 0)

		return ret;

	else

		return -EIO;

}

EXPORT_SYMBOL_GPL(rl6347a_hw_write);

int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value)

{

	struct i2c_client *client = context;

	struct i2c_msg xfer[2];

	int ret;

	__be32 be_reg;

	unsigned int index, vid, buf = 0x0;

	/* handle index registers */

	if (reg <= 0xff) {

		rl6347a_hw_write(client, RL6347A_COEF_INDEX, reg);

		reg = RL6347A_PROC_COEF;

	}

	reg = reg | 0x80000;

	vid = (reg >> 8) & 0xfff;

	if (AC_VERB_GET_AMP_GAIN_MUTE == (vid & 0xf00)) {

		index = (reg >> 8) & 0xf;

		reg = (reg & ~0xf0f) | index;

	}

	be_reg = cpu_to_be32(reg);

	/* Write register */

	xfer[0].addr = client->addr;

	xfer[0].flags = 0;

	xfer[0].len = 4;

	xfer[0].buf = (u8 *)&be_reg;

	/* Read data */

	xfer[1].addr = client->addr;

	xfer[1].flags = I2C_M_RD;

	xfer[1].len = 4;

	xfer[1].buf = (u8 *)&buf;

	ret = i2c_transfer(client->adapter, xfer, 2);

	if (ret < 0)

		return ret;

	else if (ret != 2)

		return -EIO;

	*value = be32_to_cpu(buf);

	return 0;

}

EXPORT_SYMBOL_GPL(rl6347a_hw_read);

MODULE_DESCRIPTION("RL6347A class device shared support");

MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");

MODULE_LICENSE("GPL v2");

/*

 * rl6347a.h - RL6347A class device shared support

 *

 * Copyright 2015 Realtek Semiconductor Corp.

 *

 * Author: Oder Chiou <oder_chiou@realtek.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

#ifndef __RL6347A_H__

#define __RL6347A_H__

#define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)

#define RL6347A_VENDOR_REGISTERS	0x20

#define RL6347A_COEF_INDEX\

	VERB_CMD(AC_VERB_SET_COEF_INDEX, RL6347A_VENDOR_REGISTERS, 0)

#define RL6347A_PROC_COEF\

	VERB_CMD(AC_VERB_SET_PROC_COEF, RL6347A_VENDOR_REGISTERS, 0)

struct rl6347a_priv {

	struct reg_default *index_cache;

	int index_cache_size;

};

int rl6347a_hw_write(void *context, unsigned int reg, unsigned int value);

int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value);

#endif /* __RL6347A_H__ */