[linux-2.6-block.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 <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[] __devinitdata = {

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