2005-04-16 16:20:36 -06:00
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/*
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* ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381
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* AD and DA converters
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*
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* Copyright (c) 2000-2004 Jaroslav Kysela <perex@suse.cz>,
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* Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <sound/driver.h>
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#include <asm/io.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/ak4xxx-adda.h>
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MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
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MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters");
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MODULE_LICENSE("GPL");
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2005-11-17 06:17:19 -07:00
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void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val)
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2005-04-16 16:20:36 -06:00
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{
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ak->ops.lock(ak, chip);
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ak->ops.write(ak, chip, reg, val);
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/* save the data */
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if (ak->type == SND_AK4524 || ak->type == SND_AK4528) {
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if ((reg != 0x04 && reg != 0x05) || (val & 0x80) == 0)
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snd_akm4xxx_set(ak, chip, reg, val);
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else
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snd_akm4xxx_set_ipga(ak, chip, reg, val);
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} else {
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/* AK4529, or else */
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snd_akm4xxx_set(ak, chip, reg, val);
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}
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ak->ops.unlock(ak, chip);
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}
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/*
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* reset the AKM codecs
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* @state: 1 = reset codec, 0 = restore the registers
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*
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* assert the reset operation and restores the register values to the chips.
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*/
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2005-11-17 06:17:19 -07:00
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void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
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2005-04-16 16:20:36 -06:00
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{
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unsigned int chip;
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unsigned char reg;
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switch (ak->type) {
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case SND_AK4524:
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case SND_AK4528:
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for (chip = 0; chip < ak->num_dacs/2; chip++) {
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snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
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if (state)
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continue;
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/* DAC volumes */
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for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++)
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snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
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if (ak->type == SND_AK4528)
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continue;
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/* IPGA */
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for (reg = 0x04; reg < 0x06; reg++)
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snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg));
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}
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break;
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case SND_AK4529:
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/* FIXME: needed for ak4529? */
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break;
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case SND_AK4355:
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case SND_AK4358:
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if (state) {
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snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
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return;
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}
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for (reg = 0x00; reg < 0x0b; reg++)
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if (reg != 0x01)
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snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg));
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snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
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break;
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case SND_AK4381:
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for (chip = 0; chip < ak->num_dacs/2; chip++) {
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snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
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if (state)
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continue;
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for (reg = 0x01; reg < 0x05; reg++)
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snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
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}
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break;
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}
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}
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/*
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* initialize all the ak4xxx chips
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*/
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2005-11-17 06:17:19 -07:00
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void snd_akm4xxx_init(struct snd_akm4xxx *ak)
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2005-04-16 16:20:36 -06:00
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{
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static unsigned char inits_ak4524[] = {
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0x00, 0x07, /* 0: all power up */
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0x01, 0x00, /* 1: ADC/DAC reset */
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0x02, 0x60, /* 2: 24bit I2S */
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0x03, 0x19, /* 3: deemphasis off */
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0x01, 0x03, /* 1: ADC/DAC enable */
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0x04, 0x00, /* 4: ADC left muted */
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0x05, 0x00, /* 5: ADC right muted */
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0x04, 0x80, /* 4: ADC IPGA gain 0dB */
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0x05, 0x80, /* 5: ADC IPGA gain 0dB */
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0x06, 0x00, /* 6: DAC left muted */
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0x07, 0x00, /* 7: DAC right muted */
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0xff, 0xff
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};
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static unsigned char inits_ak4528[] = {
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0x00, 0x07, /* 0: all power up */
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0x01, 0x00, /* 1: ADC/DAC reset */
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0x02, 0x60, /* 2: 24bit I2S */
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0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */
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0x01, 0x03, /* 1: ADC/DAC enable */
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0x04, 0x00, /* 4: ADC left muted */
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0x05, 0x00, /* 5: ADC right muted */
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0xff, 0xff
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};
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static unsigned char inits_ak4529[] = {
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0x09, 0x01, /* 9: ATS=0, RSTN=1 */
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0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
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0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
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0x01, 0x00, /* 1: ACKS=0, ADC, loop off */
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0x02, 0xff, /* 2: LOUT1 muted */
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0x03, 0xff, /* 3: ROUT1 muted */
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0x04, 0xff, /* 4: LOUT2 muted */
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0x05, 0xff, /* 5: ROUT2 muted */
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0x06, 0xff, /* 6: LOUT3 muted */
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0x07, 0xff, /* 7: ROUT3 muted */
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0x0b, 0xff, /* B: LOUT4 muted */
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0x0c, 0xff, /* C: ROUT4 muted */
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0x08, 0x55, /* 8: deemphasis all off */
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0xff, 0xff
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};
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static unsigned char inits_ak4355[] = {
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0x01, 0x02, /* 1: reset and soft-mute */
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0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
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0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
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// 0x02, 0x2e, /* quad speed */
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0x03, 0x01, /* 3: de-emphasis off */
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0x04, 0x00, /* 4: LOUT1 volume muted */
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0x05, 0x00, /* 5: ROUT1 volume muted */
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0x06, 0x00, /* 6: LOUT2 volume muted */
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0x07, 0x00, /* 7: ROUT2 volume muted */
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0x08, 0x00, /* 8: LOUT3 volume muted */
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0x09, 0x00, /* 9: ROUT3 volume muted */
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0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
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0x01, 0x01, /* 1: un-reset, unmute */
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0xff, 0xff
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};
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static unsigned char inits_ak4358[] = {
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0x01, 0x02, /* 1: reset and soft-mute */
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0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
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0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
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// 0x02, 0x2e, /* quad speed */
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0x03, 0x01, /* 3: de-emphasis off */
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0x04, 0x00, /* 4: LOUT1 volume muted */
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0x05, 0x00, /* 5: ROUT1 volume muted */
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0x06, 0x00, /* 6: LOUT2 volume muted */
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0x07, 0x00, /* 7: ROUT2 volume muted */
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0x08, 0x00, /* 8: LOUT3 volume muted */
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0x09, 0x00, /* 9: ROUT3 volume muted */
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0x0b, 0x00, /* b: LOUT4 volume muted */
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0x0c, 0x00, /* c: ROUT4 volume muted */
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0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
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0x01, 0x01, /* 1: un-reset, unmute */
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0xff, 0xff
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};
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static unsigned char inits_ak4381[] = {
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0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
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0x01, 0x02, /* 1: de-emphasis off, normal speed, sharp roll-off, DZF off */
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// 0x01, 0x12, /* quad speed */
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0x02, 0x00, /* 2: DZF disabled */
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0x03, 0x00, /* 3: LATT 0 */
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0x04, 0x00, /* 4: RATT 0 */
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0x00, 0x0f, /* 0: power-up, un-reset */
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0xff, 0xff
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};
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int chip, num_chips;
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unsigned char *ptr, reg, data, *inits;
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switch (ak->type) {
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case SND_AK4524:
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inits = inits_ak4524;
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num_chips = ak->num_dacs / 2;
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break;
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case SND_AK4528:
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inits = inits_ak4528;
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num_chips = ak->num_dacs / 2;
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break;
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case SND_AK4529:
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inits = inits_ak4529;
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num_chips = 1;
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break;
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case SND_AK4355:
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inits = inits_ak4355;
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num_chips = 1;
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break;
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case SND_AK4358:
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inits = inits_ak4358;
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num_chips = 1;
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break;
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case SND_AK4381:
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inits = inits_ak4381;
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num_chips = ak->num_dacs / 2;
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break;
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default:
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snd_BUG();
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return;
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}
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for (chip = 0; chip < num_chips; chip++) {
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ptr = inits;
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while (*ptr != 0xff) {
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reg = *ptr++;
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data = *ptr++;
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snd_akm4xxx_write(ak, chip, reg, data);
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}
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}
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}
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#define AK_GET_CHIP(val) (((val) >> 8) & 0xff)
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#define AK_GET_ADDR(val) ((val) & 0xff)
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#define AK_GET_SHIFT(val) (((val) >> 16) & 0x7f)
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#define AK_GET_INVERT(val) (((val) >> 23) & 1)
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#define AK_GET_MASK(val) (((val) >> 24) & 0xff)
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#define AK_COMPOSE(chip,addr,shift,mask) (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
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#define AK_INVERT (1<<23)
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2005-11-17 06:17:19 -07:00
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static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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2005-04-16 16:20:36 -06:00
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{
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unsigned int mask = AK_GET_MASK(kcontrol->private_value);
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = mask;
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return 0;
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}
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2005-11-17 06:17:19 -07:00
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static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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2005-04-16 16:20:36 -06:00
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{
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2005-11-17 06:17:19 -07:00
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struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
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2005-04-16 16:20:36 -06:00
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int chip = AK_GET_CHIP(kcontrol->private_value);
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int addr = AK_GET_ADDR(kcontrol->private_value);
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int invert = AK_GET_INVERT(kcontrol->private_value);
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unsigned int mask = AK_GET_MASK(kcontrol->private_value);
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unsigned char val = snd_akm4xxx_get(ak, chip, addr);
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ucontrol->value.integer.value[0] = invert ? mask - val : val;
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return 0;
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}
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2005-11-17 06:17:19 -07:00
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static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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2005-04-16 16:20:36 -06:00
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{
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2005-11-17 06:17:19 -07:00
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struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
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2005-04-16 16:20:36 -06:00
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int chip = AK_GET_CHIP(kcontrol->private_value);
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int addr = AK_GET_ADDR(kcontrol->private_value);
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int invert = AK_GET_INVERT(kcontrol->private_value);
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unsigned int mask = AK_GET_MASK(kcontrol->private_value);
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unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
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int change;
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if (invert)
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nval = mask - nval;
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change = snd_akm4xxx_get(ak, chip, addr) != nval;
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if (change)
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snd_akm4xxx_write(ak, chip, addr, nval);
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return change;
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}
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2005-11-17 06:17:19 -07:00
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static int snd_akm4xxx_ipga_gain_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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2005-04-16 16:20:36 -06:00
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 36;
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return 0;
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}
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2005-11-17 06:17:19 -07:00
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static int snd_akm4xxx_ipga_gain_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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2005-04-16 16:20:36 -06:00
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{
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2005-11-17 06:17:19 -07:00
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struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
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2005-04-16 16:20:36 -06:00
|
|
|
int chip = AK_GET_CHIP(kcontrol->private_value);
|
|
|
|
int addr = AK_GET_ADDR(kcontrol->private_value);
|
|
|
|
ucontrol->value.integer.value[0] = snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-11-17 06:17:19 -07:00
|
|
|
static int snd_akm4xxx_ipga_gain_put(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2005-11-17 06:17:19 -07:00
|
|
|
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
|
2005-04-16 16:20:36 -06:00
|
|
|
int chip = AK_GET_CHIP(kcontrol->private_value);
|
|
|
|
int addr = AK_GET_ADDR(kcontrol->private_value);
|
|
|
|
unsigned char nval = (ucontrol->value.integer.value[0] % 37) | 0x80;
|
|
|
|
int change = snd_akm4xxx_get_ipga(ak, chip, addr) != nval;
|
|
|
|
if (change)
|
|
|
|
snd_akm4xxx_write(ak, chip, addr, nval);
|
|
|
|
return change;
|
|
|
|
}
|
|
|
|
|
2005-11-17 06:17:19 -07:00
|
|
|
static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_info *uinfo)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
|
|
|
static char *texts[4] = {
|
|
|
|
"44.1kHz", "Off", "48kHz", "32kHz",
|
|
|
|
};
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
|
|
uinfo->count = 1;
|
|
|
|
uinfo->value.enumerated.items = 4;
|
|
|
|
if (uinfo->value.enumerated.item >= 4)
|
|
|
|
uinfo->value.enumerated.item = 3;
|
|
|
|
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-11-17 06:17:19 -07:00
|
|
|
static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2005-11-17 06:17:19 -07:00
|
|
|
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
|
2005-04-16 16:20:36 -06:00
|
|
|
int chip = AK_GET_CHIP(kcontrol->private_value);
|
|
|
|
int addr = AK_GET_ADDR(kcontrol->private_value);
|
|
|
|
int shift = AK_GET_SHIFT(kcontrol->private_value);
|
|
|
|
ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-11-17 06:17:19 -07:00
|
|
|
static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
2005-11-17 06:17:19 -07:00
|
|
|
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
|
2005-04-16 16:20:36 -06:00
|
|
|
int chip = AK_GET_CHIP(kcontrol->private_value);
|
|
|
|
int addr = AK_GET_ADDR(kcontrol->private_value);
|
|
|
|
int shift = AK_GET_SHIFT(kcontrol->private_value);
|
|
|
|
unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
|
|
|
|
int change;
|
|
|
|
|
|
|
|
nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
|
|
|
|
change = snd_akm4xxx_get(ak, chip, addr) != nval;
|
|
|
|
if (change)
|
|
|
|
snd_akm4xxx_write(ak, chip, addr, nval);
|
|
|
|
return change;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* build AK4xxx controls
|
|
|
|
*/
|
|
|
|
|
2005-11-17 06:17:19 -07:00
|
|
|
int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
|
2005-04-16 16:20:36 -06:00
|
|
|
{
|
|
|
|
unsigned int idx, num_emphs;
|
2005-11-17 06:17:19 -07:00
|
|
|
struct snd_kcontrol *ctl;
|
2005-04-16 16:20:36 -06:00
|
|
|
int err;
|
|
|
|
|
|
|
|
ctl = kmalloc(sizeof(*ctl), GFP_KERNEL);
|
|
|
|
if (! ctl)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
for (idx = 0; idx < ak->num_dacs; ++idx) {
|
|
|
|
memset(ctl, 0, sizeof(*ctl));
|
|
|
|
strcpy(ctl->id.name, "DAC Volume");
|
|
|
|
ctl->id.index = idx + ak->idx_offset * 2;
|
|
|
|
ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
|
|
|
|
ctl->count = 1;
|
|
|
|
ctl->info = snd_akm4xxx_volume_info;
|
|
|
|
ctl->get = snd_akm4xxx_volume_get;
|
|
|
|
ctl->put = snd_akm4xxx_volume_put;
|
|
|
|
switch (ak->type) {
|
|
|
|
case SND_AK4524:
|
|
|
|
ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */
|
|
|
|
break;
|
|
|
|
case SND_AK4528:
|
|
|
|
ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
|
|
|
|
break;
|
|
|
|
case SND_AK4529: {
|
|
|
|
int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */
|
|
|
|
ctl->private_value = AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case SND_AK4355:
|
|
|
|
ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
|
|
|
|
break;
|
|
|
|
case SND_AK4358:
|
|
|
|
if (idx >= 6)
|
|
|
|
ctl->private_value = AK_COMPOSE(0, idx + 5, 0, 255); /* register 4-9, chip #0 only */
|
|
|
|
else
|
|
|
|
ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
|
|
|
|
break;
|
|
|
|
case SND_AK4381:
|
|
|
|
ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); /* register 3 & 4 */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err = -EINVAL;
|
|
|
|
goto __error;
|
|
|
|
}
|
|
|
|
ctl->private_data = ak;
|
|
|
|
if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
|
|
|
|
goto __error;
|
|
|
|
}
|
|
|
|
for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) {
|
|
|
|
memset(ctl, 0, sizeof(*ctl));
|
|
|
|
strcpy(ctl->id.name, "ADC Volume");
|
|
|
|
ctl->id.index = idx + ak->idx_offset * 2;
|
|
|
|
ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
|
|
|
|
ctl->count = 1;
|
|
|
|
ctl->info = snd_akm4xxx_volume_info;
|
|
|
|
ctl->get = snd_akm4xxx_volume_get;
|
|
|
|
ctl->put = snd_akm4xxx_volume_put;
|
|
|
|
ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
|
|
|
|
ctl->private_data = ak;
|
|
|
|
if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
|
|
|
|
goto __error;
|
|
|
|
|
|
|
|
memset(ctl, 0, sizeof(*ctl));
|
|
|
|
strcpy(ctl->id.name, "IPGA Analog Capture Volume");
|
|
|
|
ctl->id.index = idx + ak->idx_offset * 2;
|
|
|
|
ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
|
|
|
|
ctl->count = 1;
|
|
|
|
ctl->info = snd_akm4xxx_ipga_gain_info;
|
|
|
|
ctl->get = snd_akm4xxx_ipga_gain_get;
|
|
|
|
ctl->put = snd_akm4xxx_ipga_gain_put;
|
|
|
|
ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0); /* register 4 & 5 */
|
|
|
|
ctl->private_data = ak;
|
|
|
|
if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
|
|
|
|
goto __error;
|
|
|
|
}
|
|
|
|
if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
|
|
|
|
num_emphs = 1;
|
|
|
|
else
|
|
|
|
num_emphs = ak->num_dacs / 2;
|
|
|
|
for (idx = 0; idx < num_emphs; idx++) {
|
|
|
|
memset(ctl, 0, sizeof(*ctl));
|
|
|
|
strcpy(ctl->id.name, "Deemphasis");
|
|
|
|
ctl->id.index = idx + ak->idx_offset;
|
|
|
|
ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
|
|
|
|
ctl->count = 1;
|
|
|
|
ctl->info = snd_akm4xxx_deemphasis_info;
|
|
|
|
ctl->get = snd_akm4xxx_deemphasis_get;
|
|
|
|
ctl->put = snd_akm4xxx_deemphasis_put;
|
|
|
|
switch (ak->type) {
|
|
|
|
case SND_AK4524:
|
|
|
|
case SND_AK4528:
|
|
|
|
ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); /* register 3 */
|
|
|
|
break;
|
|
|
|
case SND_AK4529: {
|
|
|
|
int shift = idx == 3 ? 6 : (2 - idx) * 2;
|
|
|
|
ctl->private_value = AK_COMPOSE(0, 8, shift, 0); /* register 8 with shift */
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case SND_AK4355:
|
|
|
|
case SND_AK4358:
|
|
|
|
ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
|
|
|
|
break;
|
|
|
|
case SND_AK4381:
|
|
|
|
ctl->private_value = AK_COMPOSE(idx, 1, 1, 0);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ctl->private_data = ak;
|
|
|
|
if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
|
|
|
|
goto __error;
|
|
|
|
}
|
|
|
|
err = 0;
|
|
|
|
|
|
|
|
__error:
|
|
|
|
kfree(ctl);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int __init alsa_akm4xxx_module_init(void)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit alsa_akm4xxx_module_exit(void)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(alsa_akm4xxx_module_init)
|
|
|
|
module_exit(alsa_akm4xxx_module_exit)
|
|
|
|
|
|
|
|
EXPORT_SYMBOL(snd_akm4xxx_write);
|
|
|
|
EXPORT_SYMBOL(snd_akm4xxx_reset);
|
|
|
|
EXPORT_SYMBOL(snd_akm4xxx_init);
|
|
|
|
EXPORT_SYMBOL(snd_akm4xxx_build_controls);
|