[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / pci / ak4531_codec.c

/*
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  Universal routines for AK4531 codec
 *
 *
 *   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/module.h>

#include <sound/core.h>
#include <sound/ak4531_codec.h>
#include <sound/tlv.h>

/*
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Universal routines for AK4531 codec");
MODULE_LICENSE("GPL");
*/

#ifdef CONFIG_PROC_FS
static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531);
#else
#define snd_ak4531_proc_init(card,ak)
#endif

/*
 *
 */
 
#if 0

static void snd_ak4531_dump(struct snd_ak4531 *ak4531)
{
	int idx;
	
	for (idx = 0; idx < 0x19; idx++)
		printk(KERN_DEBUG "ak4531 0x%x: 0x%x\n",
		       idx, ak4531->regs[idx]);
}

#endif

/*
 *
 */

#define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_ak4531_info_single, \
  .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
  .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) }
#define AK4531_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv)    \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .name = xname, .index = xindex, \
  .info = snd_ak4531_info_single, \
  .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
  .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22), \
  .tlv = { .p = (xtlv) } }

static int snd_ak4531_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 24) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}
 
static int snd_ak4531_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 16) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int val;

	mutex_lock(&ak4531->reg_mutex);
	val = (ak4531->regs[reg] >> shift) & mask;
	mutex_unlock(&ak4531->reg_mutex);
	if (invert) {
		val = mask - val;
	}
	ucontrol->value.integer.value[0] = val;
	return 0;
}

static int snd_ak4531_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 16) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int change;
	int val;

	val = ucontrol->value.integer.value[0] & mask;
	if (invert) {
		val = mask - val;
	}
	val <<= shift;
	mutex_lock(&ak4531->reg_mutex);
	val = (ak4531->regs[reg] & ~(mask << shift)) | val;
	change = val != ak4531->regs[reg];
	ak4531->write(ak4531, reg, ak4531->regs[reg] = val);
	mutex_unlock(&ak4531->reg_mutex);
	return change;
}

#define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_ak4531_info_double, \
  .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
  .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) }
#define AK4531_DOUBLE_TLV(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .name = xname, .index = xindex, \
  .info = snd_ak4531_info_double, \
  .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
  .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22), \
  .tlv = { .p = (xtlv) } }

static int snd_ak4531_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 24) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}
 
static int snd_ak4531_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int left_shift = (kcontrol->private_value >> 16) & 0x07;
	int right_shift = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int left, right;

	mutex_lock(&ak4531->reg_mutex);
	left = (ak4531->regs[left_reg] >> left_shift) & mask;
	right = (ak4531->regs[right_reg] >> right_shift) & mask;
	mutex_unlock(&ak4531->reg_mutex);
	if (invert) {
		left = mask - left;
		right = mask - right;
	}
	ucontrol->value.integer.value[0] = left;
	ucontrol->value.integer.value[1] = right;
	return 0;
}

static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int left_shift = (kcontrol->private_value >> 16) & 0x07;
	int right_shift = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int change;
	int left, right;

	left = ucontrol->value.integer.value[0] & mask;
	right = ucontrol->value.integer.value[1] & mask;
	if (invert) {
		left = mask - left;
		right = mask - right;
	}
	left <<= left_shift;
	right <<= right_shift;
	mutex_lock(&ak4531->reg_mutex);
	if (left_reg == right_reg) {
		left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right;
		change = left != ak4531->regs[left_reg];
		ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
	} else {
		left = (ak4531->regs[left_reg] & ~(mask << left_shift)) | left;
		right = (ak4531->regs[right_reg] & ~(mask << right_shift)) | right;
		change = left != ak4531->regs[left_reg] || right != ak4531->regs[right_reg];
		ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
		ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right);
	}
	mutex_unlock(&ak4531->reg_mutex);
	return change;
}

#define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_ak4531_info_input_sw, \
  .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \
  .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) }

static int snd_ak4531_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 4;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}
 
static int snd_ak4531_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
	int reg1 = kcontrol->private_value & 0xff;
	int reg2 = (kcontrol->private_value >> 8) & 0xff;
	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
	int right_shift = (kcontrol->private_value >> 24) & 0x0f;

	mutex_lock(&ak4531->reg_mutex);
	ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1;
	ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1;
	ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1;
	ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1;
	mutex_unlock(&ak4531->reg_mutex);
	return 0;
}

static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
	int reg1 = kcontrol->private_value & 0xff;
	int reg2 = (kcontrol->private_value >> 8) & 0xff;
	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
	int change;
	int val1, val2;

	mutex_lock(&ak4531->reg_mutex);
	val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift));
	val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift));
	val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
	val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
	val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
	val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
	change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2];
	ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1);
	ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2);
	mutex_unlock(&ak4531->reg_mutex);
	return change;
}

static const DECLARE_TLV_DB_SCALE(db_scale_master, -6200, 200, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_mono, -2800, 400, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_input, -5000, 200, 0);

static struct snd_kcontrol_new snd_ak4531_controls[] = {

AK4531_DOUBLE_TLV("Master Playback Switch", 0,
		  AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1,
		  db_scale_master),
AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1),

AK4531_SINGLE_TLV("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1,
		  db_scale_mono),
AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1),

AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1),
AK4531_DOUBLE_TLV("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1,
		  db_scale_input),
AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0),
AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0),

AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1),
AK4531_DOUBLE_TLV("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1,
		  db_scale_input),
AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0),
AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5),

AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1),
AK4531_DOUBLE_TLV("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1,
		  db_scale_input),
AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0),
AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1),

AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1),
AK4531_DOUBLE_TLV("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1,
		  db_scale_input),
AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0),
AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3),

AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1),
AK4531_DOUBLE_TLV("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1,
		  db_scale_input),
AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0),
AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3),

AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1),
AK4531_SINGLE_TLV("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1, db_scale_input),
AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0),
AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0),

AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1),
AK4531_SINGLE_TLV("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1, db_scale_input),
AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0),
AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0),

AK4531_SINGLE_TLV("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1, db_scale_input),
AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1),
AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0),
AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0),

AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0),
AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0),
AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0),

AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0),
AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
};

static int snd_ak4531_free(struct snd_ak4531 *ak4531)
{
	if (ak4531) {
		if (ak4531->private_free)
			ak4531->private_free(ak4531);
		kfree(ak4531);
	}
	return 0;
}

static int snd_ak4531_dev_free(struct snd_device *device)
{
	struct snd_ak4531 *ak4531 = device->device_data;
	return snd_ak4531_free(ak4531);
}

static u8 snd_ak4531_initial_map[0x19 + 1] = {
	0x9f,		/* 00: Master Volume Lch */
	0x9f,		/* 01: Master Volume Rch */
	0x9f,		/* 02: Voice Volume Lch */
	0x9f,		/* 03: Voice Volume Rch */
	0x9f,		/* 04: FM Volume Lch */
	0x9f,		/* 05: FM Volume Rch */
	0x9f,		/* 06: CD Audio Volume Lch */
	0x9f,		/* 07: CD Audio Volume Rch */
	0x9f,		/* 08: Line Volume Lch */
	0x9f,		/* 09: Line Volume Rch */
	0x9f,		/* 0a: Aux Volume Lch */
	0x9f,		/* 0b: Aux Volume Rch */
	0x9f,		/* 0c: Mono1 Volume */
	0x9f,		/* 0d: Mono2 Volume */
	0x9f,		/* 0e: Mic Volume */
	0x87,		/* 0f: Mono-out Volume */
	0x00,		/* 10: Output Mixer SW1 */
	0x00,		/* 11: Output Mixer SW2 */
	0x00,		/* 12: Lch Input Mixer SW1 */
	0x00,		/* 13: Rch Input Mixer SW1 */
	0x00,		/* 14: Lch Input Mixer SW2 */
	0x00,		/* 15: Rch Input Mixer SW2 */
	0x00,		/* 16: Reset & Power Down */
	0x00,		/* 17: Clock Select */
	0x00,		/* 18: AD Input Select */
	0x01		/* 19: Mic Amp Setup */
};

int snd_ak4531_mixer(struct snd_card *card,
		     struct snd_ak4531 *_ak4531,
		     struct snd_ak4531 **rak4531)
{
	unsigned int idx;
	int err;
	struct snd_ak4531 *ak4531;
	static struct snd_device_ops ops = {
		.dev_free =	snd_ak4531_dev_free,
	};

	if (snd_BUG_ON(!card || !_ak4531))
		return -EINVAL;
	if (rak4531)
		*rak4531 = NULL;
	ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL);
	if (ak4531 == NULL)
		return -ENOMEM;
	*ak4531 = *_ak4531;
	mutex_init(&ak4531->reg_mutex);
	if ((err = snd_component_add(card, "AK4531")) < 0) {
		snd_ak4531_free(ak4531);
		return err;
	}
	strcpy(card->mixername, "Asahi Kasei AK4531");
	ak4531->write(ak4531, AK4531_RESET, 0x03);	/* no RST, PD */
	udelay(100);
	ak4531->write(ak4531, AK4531_CLOCK, 0x00);	/* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
	for (idx = 0; idx <= 0x19; idx++) {
		if (idx == AK4531_RESET || idx == AK4531_CLOCK)
			continue;
		ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]);	/* recording source is mixer */
	}
	for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) {
		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) {
			snd_ak4531_free(ak4531);
			return err;
		}
	}
	snd_ak4531_proc_init(card, ak4531);
	if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) {
		snd_ak4531_free(ak4531);
		return err;
	}

#if 0
	snd_ak4531_dump(ak4531);
#endif
	if (rak4531)
		*rak4531 = ak4531;
	return 0;
}

/*
 * power management
 */
#ifdef CONFIG_PM
void snd_ak4531_suspend(struct snd_ak4531 *ak4531)
{
	/* mute */
	ak4531->write(ak4531, AK4531_LMASTER, 0x9f);
	ak4531->write(ak4531, AK4531_RMASTER, 0x9f);
	/* powerdown */
	ak4531->write(ak4531, AK4531_RESET, 0x01);
}

void snd_ak4531_resume(struct snd_ak4531 *ak4531)
{
	int idx;

	/* initialize */
	ak4531->write(ak4531, AK4531_RESET, 0x03);
	udelay(100);
	ak4531->write(ak4531, AK4531_CLOCK, 0x00);
	/* restore mixer registers */
	for (idx = 0; idx <= 0x19; idx++) {
		if (idx == AK4531_RESET || idx == AK4531_CLOCK)
			continue;
		ak4531->write(ak4531, idx, ak4531->regs[idx]);
	}
}
#endif

#ifdef CONFIG_PROC_FS
/*
 * /proc interface
 */

static void snd_ak4531_proc_read(struct snd_info_entry *entry, 
				 struct snd_info_buffer *buffer)
{
	struct snd_ak4531 *ak4531 = entry->private_data;

	snd_iprintf(buffer, "Asahi Kasei AK4531\n\n");
	snd_iprintf(buffer, "Recording source   : %s\n"
		    "MIC gain           : %s\n",
		    ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer",
		    ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");
}

static void
snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531)
{
	struct snd_info_entry *entry;

	if (! snd_card_proc_new(card, "ak4531", &entry))
		snd_info_set_text_ops(entry, ak4531, snd_ak4531_proc_read);
}
#endif
Commit	Line	Data
1da177e4	1	/*
c1017a4c	2	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	3	* Universal routines for AK4531 codec
	4	*
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
	21
1da177e4 LT	22	#include <linux/delay.h>
	23	#include <linux/init.h>
	24	#include <linux/slab.h>
62932df8	25	#include <linux/mutex.h>
da155d5b	26	#include <linux/module.h>
62932df8	27
1da177e4 LT	28	#include <sound/core.h>
1da177e4 LT	29	#include <sound/ak4531_codec.h>
9107226d	30	#include <sound/tlv.h>
1da177e4	31
6719292a	32	/*
c1017a4c	33	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	34	MODULE_DESCRIPTION("Universal routines for AK4531 codec");
1da177e4 LT	35	MODULE_LICENSE("GPL");
6719292a	36	*/
1da177e4	37
adf1b3d2	38	#ifdef CONFIG_PROC_FS
9f38945f	39	static void snd_ak4531_proc_init(struct snd_card card, struct snd_ak4531 ak4531);
adf1b3d2 TI	40	#else
	41	#define snd_ak4531_proc_init(card,ak)
	42	#endif
1da177e4 LT	43
	44	/*
	45	*
	46	*/
	47
	48	#if 0
	49
9f38945f	50	static void snd_ak4531_dump(struct snd_ak4531 *ak4531)
1da177e4 LT	51	{
	52	int idx;
	53
	54	for (idx = 0; idx < 0x19; idx++)
ee419653 TI	55	printk(KERN_DEBUG "ak4531 0x%x: 0x%x\n",
ee419653 TI	56	idx, ak4531->regs[idx]);
1da177e4 LT	57	}
	58
	59	#endif
	60
	61	/*
	62	*
	63	*/
	64
	65	#define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \
	66	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
	67	.info = snd_ak4531_info_single, \
	68	.get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
	69	.private_value = reg \| (shift << 16) \| (mask << 24) \| (invert << 22) }
9107226d TI	70	#define AK4531_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
	71	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	72	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE \| SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
	73	.name = xname, .index = xindex, \
	74	.info = snd_ak4531_info_single, \
	75	.get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
	76	.private_value = reg \| (shift << 16) \| (mask << 24) \| (invert << 22), \
	77	.tlv = { .p = (xtlv) } }
1da177e4	78
9f38945f	79	static int snd_ak4531_info_single(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
1da177e4 LT	80	{
	81	int mask = (kcontrol->private_value >> 24) & 0xff;
	82
	83	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	84	uinfo->count = 1;
	85	uinfo->value.integer.min = 0;
	86	uinfo->value.integer.max = mask;
	87	return 0;
	88	}
	89
9f38945f	90	static int snd_ak4531_get_single(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	91	{
9f38945f	92	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	93	int reg = kcontrol->private_value & 0xff;
	94	int shift = (kcontrol->private_value >> 16) & 0x07;
	95	int mask = (kcontrol->private_value >> 24) & 0xff;
	96	int invert = (kcontrol->private_value >> 22) & 1;
	97	int val;
	98
62932df8	99	mutex_lock(&ak4531->reg_mutex);
1da177e4	100	val = (ak4531->regs[reg] >> shift) & mask;
62932df8	101	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	102	if (invert) {
	103	val = mask - val;
	104	}
	105	ucontrol->value.integer.value[0] = val;
	106	return 0;
	107	}
	108
9f38945f	109	static int snd_ak4531_put_single(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	110	{
9f38945f	111	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	112	int reg = kcontrol->private_value & 0xff;
	113	int shift = (kcontrol->private_value >> 16) & 0x07;
	114	int mask = (kcontrol->private_value >> 24) & 0xff;
	115	int invert = (kcontrol->private_value >> 22) & 1;
	116	int change;
	117	int val;
	118
	119	val = ucontrol->value.integer.value[0] & mask;
	120	if (invert) {
	121	val = mask - val;
	122	}
	123	val <<= shift;
62932df8	124	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	125	val = (ak4531->regs[reg] & ~(mask << shift)) \| val;
	126	change = val != ak4531->regs[reg];
	127	ak4531->write(ak4531, reg, ak4531->regs[reg] = val);
62932df8	128	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	129	return change;
	130	}
	131
	132	#define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \
	133	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
	134	.info = snd_ak4531_info_double, \
	135	.get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
	136	.private_value = left_reg \| (right_reg << 8) \| (left_shift << 16) \| (right_shift << 19) \| (mask << 24) \| (invert << 22) }
9107226d TI	137	#define AK4531_DOUBLE_TLV(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert, xtlv) \
	138	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	139	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE \| SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
	140	.name = xname, .index = xindex, \
	141	.info = snd_ak4531_info_double, \
	142	.get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
	143	.private_value = left_reg \| (right_reg << 8) \| (left_shift << 16) \| (right_shift << 19) \| (mask << 24) \| (invert << 22), \
	144	.tlv = { .p = (xtlv) } }
1da177e4	145
9f38945f	146	static int snd_ak4531_info_double(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
1da177e4 LT	147	{
	148	int mask = (kcontrol->private_value >> 24) & 0xff;
	149
	150	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	151	uinfo->count = 2;
	152	uinfo->value.integer.min = 0;
	153	uinfo->value.integer.max = mask;
	154	return 0;
	155	}
	156
9f38945f	157	static int snd_ak4531_get_double(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	158	{
9f38945f	159	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	160	int left_reg = kcontrol->private_value & 0xff;
	161	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	162	int left_shift = (kcontrol->private_value >> 16) & 0x07;
	163	int right_shift = (kcontrol->private_value >> 19) & 0x07;
	164	int mask = (kcontrol->private_value >> 24) & 0xff;
	165	int invert = (kcontrol->private_value >> 22) & 1;
	166	int left, right;
	167
62932df8	168	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	169	left = (ak4531->regs[left_reg] >> left_shift) & mask;
1da177e4 LT	170	right = (ak4531->regs[right_reg] >> right_shift) & mask;
62932df8	171	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	172	if (invert) {
	173	left = mask - left;
	174	right = mask - right;
	175	}
	176	ucontrol->value.integer.value[0] = left;
	177	ucontrol->value.integer.value[1] = right;
	178	return 0;
	179	}
	180
9f38945f	181	static int snd_ak4531_put_double(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	182	{
9f38945f	183	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	184	int left_reg = kcontrol->private_value & 0xff;
	185	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	186	int left_shift = (kcontrol->private_value >> 16) & 0x07;
	187	int right_shift = (kcontrol->private_value >> 19) & 0x07;
	188	int mask = (kcontrol->private_value >> 24) & 0xff;
	189	int invert = (kcontrol->private_value >> 22) & 1;
	190	int change;
	191	int left, right;
	192
	193	left = ucontrol->value.integer.value[0] & mask;
	194	right = ucontrol->value.integer.value[1] & mask;
	195	if (invert) {
	196	left = mask - left;
	197	right = mask - right;
	198	}
	199	left <<= left_shift;
	200	right <<= right_shift;
62932df8	201	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	202	if (left_reg == right_reg) {
	203	left = (ak4531->regs[left_reg] & ~((mask << left_shift) \| (mask << right_shift))) \| left \| right;
	204	change = left != ak4531->regs[left_reg];
	205	ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
	206	} else {
	207	left = (ak4531->regs[left_reg] & ~(mask << left_shift)) \| left;
	208	right = (ak4531->regs[right_reg] & ~(mask << right_shift)) \| right;
	209	change = left != ak4531->regs[left_reg] \|\| right != ak4531->regs[right_reg];
	210	ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
	211	ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right);
	212	}
62932df8	213	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	214	return change;
	215	}
	216
	217	#define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \
	218	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
	219	.info = snd_ak4531_info_input_sw, \
	220	.get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \
	221	.private_value = reg1 \| (reg2 << 8) \| (left_shift << 16) \| (right_shift << 24) }
	222
9f38945f	223	static int snd_ak4531_info_input_sw(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
1da177e4 LT	224	{
	225	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	226	uinfo->count = 4;
	227	uinfo->value.integer.min = 0;
	228	uinfo->value.integer.max = 1;
	229	return 0;
	230	}
	231
9f38945f	232	static int snd_ak4531_get_input_sw(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	233	{
9f38945f	234	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	235	int reg1 = kcontrol->private_value & 0xff;
	236	int reg2 = (kcontrol->private_value >> 8) & 0xff;
	237	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
	238	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
	239
62932df8	240	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	241	ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1;
	242	ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1;
	243	ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1;
	244	ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1;
62932df8	245	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	246	return 0;
	247	}
	248
9f38945f	249	static int snd_ak4531_put_input_sw(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	250	{
9f38945f	251	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	252	int reg1 = kcontrol->private_value & 0xff;
	253	int reg2 = (kcontrol->private_value >> 8) & 0xff;
	254	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
	255	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
	256	int change;
	257	int val1, val2;
	258
62932df8	259	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	260	val1 = ak4531->regs[reg1] & ~((1 << left_shift) \| (1 << right_shift));
	261	val2 = ak4531->regs[reg2] & ~((1 << left_shift) \| (1 << right_shift));
	262	val1 \|= (ucontrol->value.integer.value[0] & 1) << left_shift;
	263	val2 \|= (ucontrol->value.integer.value[1] & 1) << left_shift;
	264	val1 \|= (ucontrol->value.integer.value[2] & 1) << right_shift;
	265	val2 \|= (ucontrol->value.integer.value[3] & 1) << right_shift;
	266	change = val1 != ak4531->regs[reg1] \|\| val2 != ak4531->regs[reg2];
	267	ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1);
	268	ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2);
62932df8	269	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	270	return change;
	271	}
	272
0cb29ea0 TI	273	static const DECLARE_TLV_DB_SCALE(db_scale_master, -6200, 200, 0);
	274	static const DECLARE_TLV_DB_SCALE(db_scale_mono, -2800, 400, 0);
	275	static const DECLARE_TLV_DB_SCALE(db_scale_input, -5000, 200, 0);
9107226d	276
e23e7a14	277	static struct snd_kcontrol_new snd_ak4531_controls[] = {
1da177e4	278
9107226d TI	279	AK4531_DOUBLE_TLV("Master Playback Switch", 0,
	280	AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1,
	281	db_scale_master),
1da177e4 LT	282	AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1),
1da177e4 LT	283
9107226d TI	284	AK4531_SINGLE_TLV("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1,
9107226d TI	285	db_scale_mono),
1da177e4 LT	286	AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1),
	287
	288	AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1),
9107226d TI	289	AK4531_DOUBLE_TLV("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1,
9107226d TI	290	db_scale_input),
1da177e4 LT	291	AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0),
	292	AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0),
	293
	294	AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1),
9107226d TI	295	AK4531_DOUBLE_TLV("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1,
9107226d TI	296	db_scale_input),
1da177e4 LT	297	AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0),
	298	AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5),
	299
	300	AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1),
9107226d TI	301	AK4531_DOUBLE_TLV("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1,
9107226d TI	302	db_scale_input),
1da177e4 LT	303	AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0),
	304	AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1),
	305
	306	AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1),
9107226d TI	307	AK4531_DOUBLE_TLV("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1,
9107226d TI	308	db_scale_input),
1da177e4 LT	309	AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0),
	310	AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3),
	311
	312	AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1),
9107226d TI	313	AK4531_DOUBLE_TLV("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1,
9107226d TI	314	db_scale_input),
1da177e4 LT	315	AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0),
	316	AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3),
	317
	318	AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1),
9107226d	319	AK4531_SINGLE_TLV("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1, db_scale_input),
1da177e4 LT	320	AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0),
	321	AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0),
	322
	323	AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1),
9107226d	324	AK4531_SINGLE_TLV("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1, db_scale_input),
1da177e4 LT	325	AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0),
	326	AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0),
	327
9107226d	328	AK4531_SINGLE_TLV("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1, db_scale_input),
1da177e4 LT	329	AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1),
	330	AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0),
	331	AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0),
	332
	333	AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0),
	334	AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0),
	335	AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0),
	336
	337	AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0),
	338	AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
	339	};
	340
9f38945f	341	static int snd_ak4531_free(struct snd_ak4531 *ak4531)
1da177e4 LT	342	{
	343	if (ak4531) {
	344	if (ak4531->private_free)
	345	ak4531->private_free(ak4531);
	346	kfree(ak4531);
	347	}
	348	return 0;
	349	}
	350
9f38945f	351	static int snd_ak4531_dev_free(struct snd_device *device)
1da177e4	352	{
9f38945f	353	struct snd_ak4531 *ak4531 = device->device_data;
1da177e4 LT	354	return snd_ak4531_free(ak4531);
	355	}
	356
	357	static u8 snd_ak4531_initial_map[0x19 + 1] = {
	358	0x9f, /* 00: Master Volume Lch */
	359	0x9f, /* 01: Master Volume Rch */
	360	0x9f, /* 02: Voice Volume Lch */
	361	0x9f, /* 03: Voice Volume Rch */
	362	0x9f, /* 04: FM Volume Lch */
	363	0x9f, /* 05: FM Volume Rch */
	364	0x9f, /* 06: CD Audio Volume Lch */
	365	0x9f, /* 07: CD Audio Volume Rch */
	366	0x9f, /* 08: Line Volume Lch */
	367	0x9f, /* 09: Line Volume Rch */
	368	0x9f, /* 0a: Aux Volume Lch */
	369	0x9f, /* 0b: Aux Volume Rch */
	370	0x9f, /* 0c: Mono1 Volume */
	371	0x9f, /* 0d: Mono2 Volume */
	372	0x9f, /* 0e: Mic Volume */
	373	0x87, /* 0f: Mono-out Volume */
	374	0x00, /* 10: Output Mixer SW1 */
	375	0x00, /* 11: Output Mixer SW2 */
	376	0x00, /* 12: Lch Input Mixer SW1 */
	377	0x00, /* 13: Rch Input Mixer SW1 */
	378	0x00, /* 14: Lch Input Mixer SW2 */
	379	0x00, /* 15: Rch Input Mixer SW2 */
	380	0x00, /* 16: Reset & Power Down */
	381	0x00, /* 17: Clock Select */
	382	0x00, /* 18: AD Input Select */
	383	0x01 /* 19: Mic Amp Setup */
	384	};
	385
e23e7a14 BP	386	int snd_ak4531_mixer(struct snd_card *card,
	387	struct snd_ak4531 *_ak4531,
	388	struct snd_ak4531 **rak4531)
1da177e4 LT	389	{
	390	unsigned int idx;
	391	int err;
9f38945f TI	392	struct snd_ak4531 *ak4531;
9f38945f TI	393	static struct snd_device_ops ops = {
1da177e4 LT	394	.dev_free = snd_ak4531_dev_free,
	395	};
	396
da3cec35 TI	397	if (snd_BUG_ON(!card \|\| !_ak4531))
	398	return -EINVAL;
	399	if (rak4531)
	400	*rak4531 = NULL;
e560d8d8	401	ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL);
1da177e4 LT	402	if (ak4531 == NULL)
	403	return -ENOMEM;
	404	ak4531 = _ak4531;
62932df8	405	mutex_init(&ak4531->reg_mutex);
1da177e4 LT	406	if ((err = snd_component_add(card, "AK4531")) < 0) {
	407	snd_ak4531_free(ak4531);
	408	return err;
	409	}
	410	strcpy(card->mixername, "Asahi Kasei AK4531");
	411	ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */
	412	udelay(100);
	413	ak4531->write(ak4531, AK4531_CLOCK, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
11d3824a	414	for (idx = 0; idx <= 0x19; idx++) {
1da177e4 LT	415	if (idx == AK4531_RESET \|\| idx == AK4531_CLOCK)
	416	continue;
	417	ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */
	418	}
	419	for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) {
	420	if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) {
	421	snd_ak4531_free(ak4531);
	422	return err;
	423	}
	424	}
	425	snd_ak4531_proc_init(card, ak4531);
	426	if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) {
	427	snd_ak4531_free(ak4531);
	428	return err;
	429	}
	430
	431	#if 0
	432	snd_ak4531_dump(ak4531);
	433	#endif
da3cec35 TI	434	if (rak4531)
da3cec35 TI	435	*rak4531 = ak4531;
1da177e4 LT	436	return 0;
	437	}
	438
11d3824a TI	439	/*
	440	* power management
	441	*/
	442	#ifdef CONFIG_PM
	443	void snd_ak4531_suspend(struct snd_ak4531 *ak4531)
	444	{
	445	/* mute */
	446	ak4531->write(ak4531, AK4531_LMASTER, 0x9f);
	447	ak4531->write(ak4531, AK4531_RMASTER, 0x9f);
	448	/* powerdown */
	449	ak4531->write(ak4531, AK4531_RESET, 0x01);
	450	}
	451
	452	void snd_ak4531_resume(struct snd_ak4531 *ak4531)
	453	{
	454	int idx;
	455
	456	/* initialize */
	457	ak4531->write(ak4531, AK4531_RESET, 0x03);
	458	udelay(100);
	459	ak4531->write(ak4531, AK4531_CLOCK, 0x00);
	460	/* restore mixer registers */
	461	for (idx = 0; idx <= 0x19; idx++) {
	462	if (idx == AK4531_RESET \|\| idx == AK4531_CLOCK)
	463	continue;
	464	ak4531->write(ak4531, idx, ak4531->regs[idx]);
	465	}
	466	}
	467	#endif
	468
adf1b3d2	469	#ifdef CONFIG_PROC_FS
1da177e4	470	/*
adf1b3d2	471	* /proc interface
1da177e4 LT	472	*/
1da177e4 LT	473
9f38945f TI	474	static void snd_ak4531_proc_read(struct snd_info_entry *entry,
9f38945f TI	475	struct snd_info_buffer *buffer)
1da177e4	476	{
9f38945f	477	struct snd_ak4531 *ak4531 = entry->private_data;
1da177e4 LT	478
	479	snd_iprintf(buffer, "Asahi Kasei AK4531\n\n");
	480	snd_iprintf(buffer, "Recording source : %s\n"
	481	"MIC gain : %s\n",
	482	ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer",
	483	ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");
	484	}
	485
e23e7a14	486	static void
23ce1547	487	snd_ak4531_proc_init(struct snd_card card, struct snd_ak4531 ak4531)
1da177e4	488	{
9f38945f	489	struct snd_info_entry *entry;
1da177e4 LT	490
1da177e4 LT	491	if (! snd_card_proc_new(card, "ak4531", &entry))
bf850204	492	snd_info_set_text_ops(entry, ak4531, snd_ak4531_proc_read);
1da177e4	493	}
adf1b3d2	494	#endif