[mirror_ubuntu-artful-kernel.git] / sound / pci / ac97 / 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 <sound/driver.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mutex.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("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,
	};

	snd_assert(rak4531 != NULL, return -EINVAL);
	*rak4531 = NULL;
	snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL);
	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
	*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

EXPORT_SYMBOL(snd_ak4531_mixer);
#ifdef CONFIG_PM
EXPORT_SYMBOL(snd_ak4531_suspend);
EXPORT_SYMBOL(snd_ak4531_resume);
#endif

/*
 *  INIT part
 */

static int __init alsa_ak4531_init(void)
{
	return 0;
}

static void __exit alsa_ak4531_exit(void)
{
}

module_init(alsa_ak4531_init)
module_exit(alsa_ak4531_exit)
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
	22	#include <sound/driver.h>
	23	#include <linux/delay.h>
	24	#include <linux/init.h>
	25	#include <linux/slab.h>
62932df8 IM	26	#include <linux/mutex.h>
62932df8 IM	27
1da177e4 LT	28	#include <sound/core.h>
1da177e4 LT	29	#include <sound/ak4531_codec.h>
9107226d	30	#include <sound/tlv.h>
1da177e4	31
c1017a4c	32	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	33	MODULE_DESCRIPTION("Universal routines for AK4531 codec");
	34	MODULE_LICENSE("GPL");
	35
adf1b3d2	36	#ifdef CONFIG_PROC_FS
9f38945f	37	static void snd_ak4531_proc_init(struct snd_card card, struct snd_ak4531 ak4531);
adf1b3d2 TI	38	#else
	39	#define snd_ak4531_proc_init(card,ak)
	40	#endif
1da177e4 LT	41
	42	/*
	43	*
	44	*/
	45
	46	#if 0
	47
9f38945f	48	static void snd_ak4531_dump(struct snd_ak4531 *ak4531)
1da177e4 LT	49	{
	50	int idx;
	51
	52	for (idx = 0; idx < 0x19; idx++)
	53	printk("ak4531 0x%x: 0x%x\n", idx, ak4531->regs[idx]);
	54	}
	55
	56	#endif
	57
	58	/*
	59	*
	60	*/
	61
	62	#define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \
	63	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
	64	.info = snd_ak4531_info_single, \
	65	.get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
	66	.private_value = reg \| (shift << 16) \| (mask << 24) \| (invert << 22) }
9107226d TI	67	#define AK4531_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
	68	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	69	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE \| SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
	70	.name = xname, .index = xindex, \
	71	.info = snd_ak4531_info_single, \
	72	.get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \
	73	.private_value = reg \| (shift << 16) \| (mask << 24) \| (invert << 22), \
	74	.tlv = { .p = (xtlv) } }
1da177e4	75
9f38945f	76	static int snd_ak4531_info_single(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
1da177e4 LT	77	{
	78	int mask = (kcontrol->private_value >> 24) & 0xff;
	79
	80	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	81	uinfo->count = 1;
	82	uinfo->value.integer.min = 0;
	83	uinfo->value.integer.max = mask;
	84	return 0;
	85	}
	86
9f38945f	87	static int snd_ak4531_get_single(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	88	{
9f38945f	89	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	90	int reg = kcontrol->private_value & 0xff;
	91	int shift = (kcontrol->private_value >> 16) & 0x07;
	92	int mask = (kcontrol->private_value >> 24) & 0xff;
	93	int invert = (kcontrol->private_value >> 22) & 1;
	94	int val;
	95
62932df8	96	mutex_lock(&ak4531->reg_mutex);
1da177e4	97	val = (ak4531->regs[reg] >> shift) & mask;
62932df8	98	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	99	if (invert) {
	100	val = mask - val;
	101	}
	102	ucontrol->value.integer.value[0] = val;
	103	return 0;
	104	}
	105
9f38945f	106	static int snd_ak4531_put_single(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	107	{
9f38945f	108	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	109	int reg = kcontrol->private_value & 0xff;
	110	int shift = (kcontrol->private_value >> 16) & 0x07;
	111	int mask = (kcontrol->private_value >> 24) & 0xff;
	112	int invert = (kcontrol->private_value >> 22) & 1;
	113	int change;
	114	int val;
	115
	116	val = ucontrol->value.integer.value[0] & mask;
	117	if (invert) {
	118	val = mask - val;
	119	}
	120	val <<= shift;
62932df8	121	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	122	val = (ak4531->regs[reg] & ~(mask << shift)) \| val;
	123	change = val != ak4531->regs[reg];
	124	ak4531->write(ak4531, reg, ak4531->regs[reg] = val);
62932df8	125	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	126	return change;
	127	}
	128
	129	#define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \
	130	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
	131	.info = snd_ak4531_info_double, \
	132	.get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
	133	.private_value = left_reg \| (right_reg << 8) \| (left_shift << 16) \| (right_shift << 19) \| (mask << 24) \| (invert << 22) }
9107226d TI	134	#define AK4531_DOUBLE_TLV(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert, xtlv) \
	135	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	136	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE \| SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
	137	.name = xname, .index = xindex, \
	138	.info = snd_ak4531_info_double, \
	139	.get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \
	140	.private_value = left_reg \| (right_reg << 8) \| (left_shift << 16) \| (right_shift << 19) \| (mask << 24) \| (invert << 22), \
	141	.tlv = { .p = (xtlv) } }
1da177e4	142
9f38945f	143	static int snd_ak4531_info_double(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
1da177e4 LT	144	{
	145	int mask = (kcontrol->private_value >> 24) & 0xff;
	146
	147	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	148	uinfo->count = 2;
	149	uinfo->value.integer.min = 0;
	150	uinfo->value.integer.max = mask;
	151	return 0;
	152	}
	153
9f38945f	154	static int snd_ak4531_get_double(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	155	{
9f38945f	156	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	157	int left_reg = kcontrol->private_value & 0xff;
	158	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	159	int left_shift = (kcontrol->private_value >> 16) & 0x07;
	160	int right_shift = (kcontrol->private_value >> 19) & 0x07;
	161	int mask = (kcontrol->private_value >> 24) & 0xff;
	162	int invert = (kcontrol->private_value >> 22) & 1;
	163	int left, right;
	164
62932df8	165	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	166	left = (ak4531->regs[left_reg] >> left_shift) & mask;
1da177e4 LT	167	right = (ak4531->regs[right_reg] >> right_shift) & mask;
62932df8	168	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	169	if (invert) {
	170	left = mask - left;
	171	right = mask - right;
	172	}
	173	ucontrol->value.integer.value[0] = left;
	174	ucontrol->value.integer.value[1] = right;
	175	return 0;
	176	}
	177
9f38945f	178	static int snd_ak4531_put_double(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	179	{
9f38945f	180	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	181	int left_reg = kcontrol->private_value & 0xff;
	182	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	183	int left_shift = (kcontrol->private_value >> 16) & 0x07;
	184	int right_shift = (kcontrol->private_value >> 19) & 0x07;
	185	int mask = (kcontrol->private_value >> 24) & 0xff;
	186	int invert = (kcontrol->private_value >> 22) & 1;
	187	int change;
	188	int left, right;
	189
	190	left = ucontrol->value.integer.value[0] & mask;
	191	right = ucontrol->value.integer.value[1] & mask;
	192	if (invert) {
	193	left = mask - left;
	194	right = mask - right;
	195	}
	196	left <<= left_shift;
	197	right <<= right_shift;
62932df8	198	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	199	if (left_reg == right_reg) {
	200	left = (ak4531->regs[left_reg] & ~((mask << left_shift) \| (mask << right_shift))) \| left \| right;
	201	change = left != ak4531->regs[left_reg];
	202	ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
	203	} else {
	204	left = (ak4531->regs[left_reg] & ~(mask << left_shift)) \| left;
	205	right = (ak4531->regs[right_reg] & ~(mask << right_shift)) \| right;
	206	change = left != ak4531->regs[left_reg] \|\| right != ak4531->regs[right_reg];
	207	ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left);
	208	ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right);
	209	}
62932df8	210	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	211	return change;
	212	}
	213
	214	#define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \
	215	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
	216	.info = snd_ak4531_info_input_sw, \
	217	.get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \
	218	.private_value = reg1 \| (reg2 << 8) \| (left_shift << 16) \| (right_shift << 24) }
	219
9f38945f	220	static int snd_ak4531_info_input_sw(struct snd_kcontrol kcontrol, struct snd_ctl_elem_info uinfo)
1da177e4 LT	221	{
	222	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	223	uinfo->count = 4;
	224	uinfo->value.integer.min = 0;
	225	uinfo->value.integer.max = 1;
	226	return 0;
	227	}
	228
9f38945f	229	static int snd_ak4531_get_input_sw(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	230	{
9f38945f	231	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	232	int reg1 = kcontrol->private_value & 0xff;
	233	int reg2 = (kcontrol->private_value >> 8) & 0xff;
	234	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
	235	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
	236
62932df8	237	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	238	ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1;
	239	ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1;
	240	ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1;
	241	ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1;
62932df8	242	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	243	return 0;
	244	}
	245
9f38945f	246	static int snd_ak4531_put_input_sw(struct snd_kcontrol kcontrol, struct snd_ctl_elem_value ucontrol)
1da177e4	247	{
9f38945f	248	struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol);
1da177e4 LT	249	int reg1 = kcontrol->private_value & 0xff;
	250	int reg2 = (kcontrol->private_value >> 8) & 0xff;
	251	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
	252	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
	253	int change;
	254	int val1, val2;
	255
62932df8	256	mutex_lock(&ak4531->reg_mutex);
1da177e4 LT	257	val1 = ak4531->regs[reg1] & ~((1 << left_shift) \| (1 << right_shift));
	258	val2 = ak4531->regs[reg2] & ~((1 << left_shift) \| (1 << right_shift));
	259	val1 \|= (ucontrol->value.integer.value[0] & 1) << left_shift;
	260	val2 \|= (ucontrol->value.integer.value[1] & 1) << left_shift;
	261	val1 \|= (ucontrol->value.integer.value[2] & 1) << right_shift;
	262	val2 \|= (ucontrol->value.integer.value[3] & 1) << right_shift;
	263	change = val1 != ak4531->regs[reg1] \|\| val2 != ak4531->regs[reg2];
	264	ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1);
	265	ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2);
62932df8	266	mutex_unlock(&ak4531->reg_mutex);
1da177e4 LT	267	return change;
	268	}
	269
0cb29ea0 TI	270	static const DECLARE_TLV_DB_SCALE(db_scale_master, -6200, 200, 0);
	271	static const DECLARE_TLV_DB_SCALE(db_scale_mono, -2800, 400, 0);
	272	static const DECLARE_TLV_DB_SCALE(db_scale_input, -5000, 200, 0);
9107226d	273
9f38945f	274	static struct snd_kcontrol_new snd_ak4531_controls[] = {
1da177e4	275
9107226d TI	276	AK4531_DOUBLE_TLV("Master Playback Switch", 0,
	277	AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1,
	278	db_scale_master),
1da177e4 LT	279	AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1),
1da177e4 LT	280
9107226d TI	281	AK4531_SINGLE_TLV("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1,
9107226d TI	282	db_scale_mono),
1da177e4 LT	283	AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1),
	284
	285	AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1),
9107226d TI	286	AK4531_DOUBLE_TLV("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1,
9107226d TI	287	db_scale_input),
1da177e4 LT	288	AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0),
	289	AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0),
	290
	291	AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1),
9107226d TI	292	AK4531_DOUBLE_TLV("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1,
9107226d TI	293	db_scale_input),
1da177e4 LT	294	AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0),
	295	AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5),
	296
	297	AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1),
9107226d TI	298	AK4531_DOUBLE_TLV("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1,
9107226d TI	299	db_scale_input),
1da177e4 LT	300	AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0),
	301	AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1),
	302
	303	AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1),
9107226d TI	304	AK4531_DOUBLE_TLV("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1,
9107226d TI	305	db_scale_input),
1da177e4 LT	306	AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0),
	307	AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3),
	308
	309	AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1),
9107226d TI	310	AK4531_DOUBLE_TLV("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1,
9107226d TI	311	db_scale_input),
1da177e4 LT	312	AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0),
	313	AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3),
	314
	315	AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1),
9107226d	316	AK4531_SINGLE_TLV("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1, db_scale_input),
1da177e4 LT	317	AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0),
	318	AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0),
	319
	320	AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1),
9107226d	321	AK4531_SINGLE_TLV("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1, db_scale_input),
1da177e4 LT	322	AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0),
	323	AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0),
	324
9107226d	325	AK4531_SINGLE_TLV("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1, db_scale_input),
1da177e4 LT	326	AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1),
	327	AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0),
	328	AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0),
	329
	330	AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0),
	331	AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0),
	332	AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0),
	333
	334	AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0),
	335	AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0)
	336	};
	337
9f38945f	338	static int snd_ak4531_free(struct snd_ak4531 *ak4531)
1da177e4 LT	339	{
	340	if (ak4531) {
	341	if (ak4531->private_free)
	342	ak4531->private_free(ak4531);
	343	kfree(ak4531);
	344	}
	345	return 0;
	346	}
	347
9f38945f	348	static int snd_ak4531_dev_free(struct snd_device *device)
1da177e4	349	{
9f38945f	350	struct snd_ak4531 *ak4531 = device->device_data;
1da177e4 LT	351	return snd_ak4531_free(ak4531);
	352	}
	353
	354	static u8 snd_ak4531_initial_map[0x19 + 1] = {
	355	0x9f, /* 00: Master Volume Lch */
	356	0x9f, /* 01: Master Volume Rch */
	357	0x9f, /* 02: Voice Volume Lch */
	358	0x9f, /* 03: Voice Volume Rch */
	359	0x9f, /* 04: FM Volume Lch */
	360	0x9f, /* 05: FM Volume Rch */
	361	0x9f, /* 06: CD Audio Volume Lch */
	362	0x9f, /* 07: CD Audio Volume Rch */
	363	0x9f, /* 08: Line Volume Lch */
	364	0x9f, /* 09: Line Volume Rch */
	365	0x9f, /* 0a: Aux Volume Lch */
	366	0x9f, /* 0b: Aux Volume Rch */
	367	0x9f, /* 0c: Mono1 Volume */
	368	0x9f, /* 0d: Mono2 Volume */
	369	0x9f, /* 0e: Mic Volume */
	370	0x87, /* 0f: Mono-out Volume */
	371	0x00, /* 10: Output Mixer SW1 */
	372	0x00, /* 11: Output Mixer SW2 */
	373	0x00, /* 12: Lch Input Mixer SW1 */
	374	0x00, /* 13: Rch Input Mixer SW1 */
	375	0x00, /* 14: Lch Input Mixer SW2 */
	376	0x00, /* 15: Rch Input Mixer SW2 */
	377	0x00, /* 16: Reset & Power Down */
	378	0x00, /* 17: Clock Select */
	379	0x00, /* 18: AD Input Select */
	380	0x01 /* 19: Mic Amp Setup */
	381	};
	382
9f38945f TI	383	int snd_ak4531_mixer(struct snd_card card, struct snd_ak4531 _ak4531,
9f38945f TI	384	struct snd_ak4531 **rak4531)
1da177e4 LT	385	{
	386	unsigned int idx;
	387	int err;
9f38945f TI	388	struct snd_ak4531 *ak4531;
9f38945f TI	389	static struct snd_device_ops ops = {
1da177e4 LT	390	.dev_free = snd_ak4531_dev_free,
	391	};
	392
	393	snd_assert(rak4531 != NULL, return -EINVAL);
	394	*rak4531 = NULL;
	395	snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL);
e560d8d8	396	ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL);
1da177e4 LT	397	if (ak4531 == NULL)
	398	return -ENOMEM;
	399	ak4531 = _ak4531;
62932df8	400	mutex_init(&ak4531->reg_mutex);
1da177e4 LT	401	if ((err = snd_component_add(card, "AK4531")) < 0) {
	402	snd_ak4531_free(ak4531);
	403	return err;
	404	}
	405	strcpy(card->mixername, "Asahi Kasei AK4531");
	406	ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */
	407	udelay(100);
	408	ak4531->write(ak4531, AK4531_CLOCK, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */
11d3824a	409	for (idx = 0; idx <= 0x19; idx++) {
1da177e4 LT	410	if (idx == AK4531_RESET \|\| idx == AK4531_CLOCK)
	411	continue;
	412	ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */
	413	}
	414	for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) {
	415	if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) {
	416	snd_ak4531_free(ak4531);
	417	return err;
	418	}
	419	}
	420	snd_ak4531_proc_init(card, ak4531);
	421	if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) {
	422	snd_ak4531_free(ak4531);
	423	return err;
	424	}
	425
	426	#if 0
	427	snd_ak4531_dump(ak4531);
	428	#endif
	429	*rak4531 = ak4531;
	430	return 0;
	431	}
	432
11d3824a TI	433	/*
	434	* power management
	435	*/
	436	#ifdef CONFIG_PM
	437	void snd_ak4531_suspend(struct snd_ak4531 *ak4531)
	438	{
	439	/* mute */
	440	ak4531->write(ak4531, AK4531_LMASTER, 0x9f);
	441	ak4531->write(ak4531, AK4531_RMASTER, 0x9f);
	442	/* powerdown */
	443	ak4531->write(ak4531, AK4531_RESET, 0x01);
	444	}
	445
	446	void snd_ak4531_resume(struct snd_ak4531 *ak4531)
	447	{
	448	int idx;
	449
	450	/* initialize */
	451	ak4531->write(ak4531, AK4531_RESET, 0x03);
	452	udelay(100);
	453	ak4531->write(ak4531, AK4531_CLOCK, 0x00);
	454	/* restore mixer registers */
	455	for (idx = 0; idx <= 0x19; idx++) {
	456	if (idx == AK4531_RESET \|\| idx == AK4531_CLOCK)
	457	continue;
	458	ak4531->write(ak4531, idx, ak4531->regs[idx]);
	459	}
	460	}
	461	#endif
	462
adf1b3d2	463	#ifdef CONFIG_PROC_FS
1da177e4	464	/*
adf1b3d2	465	* /proc interface
1da177e4 LT	466	*/
1da177e4 LT	467
9f38945f TI	468	static void snd_ak4531_proc_read(struct snd_info_entry *entry,
9f38945f TI	469	struct snd_info_buffer *buffer)
1da177e4	470	{
9f38945f	471	struct snd_ak4531 *ak4531 = entry->private_data;
1da177e4 LT	472
	473	snd_iprintf(buffer, "Asahi Kasei AK4531\n\n");
	474	snd_iprintf(buffer, "Recording source : %s\n"
	475	"MIC gain : %s\n",
	476	ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer",
	477	ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB");
	478	}
	479
9f38945f	480	static void snd_ak4531_proc_init(struct snd_card card, struct snd_ak4531 ak4531)
1da177e4	481	{
9f38945f	482	struct snd_info_entry *entry;
1da177e4 LT	483
1da177e4 LT	484	if (! snd_card_proc_new(card, "ak4531", &entry))
bf850204	485	snd_info_set_text_ops(entry, ak4531, snd_ak4531_proc_read);
1da177e4	486	}
adf1b3d2	487	#endif
1da177e4 LT	488
1da177e4 LT	489	EXPORT_SYMBOL(snd_ak4531_mixer);
11d3824a TI	490	#ifdef CONFIG_PM
	491	EXPORT_SYMBOL(snd_ak4531_suspend);
	492	EXPORT_SYMBOL(snd_ak4531_resume);
	493	#endif
1da177e4 LT	494
	495	/*
	496	* INIT part
	497	*/
	498
	499	static int __init alsa_ak4531_init(void)
	500	{
	501	return 0;
	502	}
	503
	504	static void __exit alsa_ak4531_exit(void)
	505	{
	506	}
	507
	508	module_init(alsa_ak4531_init)
	509	module_exit(alsa_ak4531_exit)