path: root/sound/pci/ctxfi/ctmixer.c

/**
 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
 *
 * This source file is released under GPL v2 license (no other versions).
 * See the COPYING file included in the main directory of this source
 * distribution for the license terms and conditions.
 *
 * @File	ctmixer.c
 *
 * @Brief
 * This file contains the implementation of alsa mixer device functions.
 *
 * @Author	Liu Chun
 * @Date 	May 28 2008
 *
 */


#include "ctmixer.h"
#include "ctamixer.h"
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/asoundef.h>
#include <sound/pcm.h>
#include <sound/tlv.h>

enum CT_SUM_CTL {
	SUM_IN_F,
	SUM_IN_R,
	SUM_IN_C,
	SUM_IN_S,
	SUM_IN_F_C,

	NUM_CT_SUMS
};

enum CT_AMIXER_CTL {
	/* volume control mixers */
	AMIXER_MASTER_F,
	AMIXER_MASTER_R,
	AMIXER_MASTER_C,
	AMIXER_MASTER_S,
	AMIXER_PCM_F,
	AMIXER_PCM_R,
	AMIXER_PCM_C,
	AMIXER_PCM_S,
	AMIXER_SPDIFI,
	AMIXER_LINEIN,
	AMIXER_MIC,
	AMIXER_SPDIFO,
	AMIXER_WAVE_F,
	AMIXER_WAVE_R,
	AMIXER_WAVE_C,
	AMIXER_WAVE_S,
	AMIXER_MASTER_F_C,
	AMIXER_PCM_F_C,
	AMIXER_SPDIFI_C,
	AMIXER_LINEIN_C,
	AMIXER_MIC_C,

	/* this should always be the last one */
	NUM_CT_AMIXERS
};

enum CTALSA_MIXER_CTL {
	/* volume control mixers */
	MIXER_MASTER_P,
	MIXER_PCM_P,
	MIXER_LINEIN_P,
	MIXER_MIC_P,
	MIXER_SPDIFI_P,
	MIXER_SPDIFO_P,
	MIXER_WAVEF_P,
	MIXER_WAVER_P,
	MIXER_WAVEC_P,
	MIXER_WAVES_P,
	MIXER_MASTER_C,
	MIXER_PCM_C,
	MIXER_LINEIN_C,
	MIXER_MIC_C,
	MIXER_SPDIFI_C,

	/* switch control mixers */
	MIXER_PCM_C_S,
	MIXER_LINEIN_C_S,
	MIXER_MIC_C_S,
	MIXER_SPDIFI_C_S,
	MIXER_LINEIN_P_S,
	MIXER_SPDIFO_P_S,
	MIXER_SPDIFI_P_S,
	MIXER_WAVEF_P_S,
	MIXER_WAVER_P_S,
	MIXER_WAVEC_P_S,
	MIXER_WAVES_P_S,
	MIXER_DIGITAL_IO_S,
	MIXER_IEC958_MASK,
	MIXER_IEC958_DEFAULT,
	MIXER_IEC958_STREAM,

	/* this should always be the last one */
	NUM_CTALSA_MIXERS
};

#define VOL_MIXER_START		MIXER_MASTER_P
#define VOL_MIXER_END		MIXER_SPDIFI_C
#define VOL_MIXER_NUM		(VOL_MIXER_END - VOL_MIXER_START + 1)
#define SWH_MIXER_START		MIXER_PCM_C_S
#define SWH_MIXER_END		MIXER_DIGITAL_IO_S
#define SWH_CAPTURE_START	MIXER_PCM_C_S
#define SWH_CAPTURE_END		MIXER_SPDIFI_C_S

#define CHN_NUM		2

struct ct_kcontrol_init {
	unsigned char ctl;
	char *name;
};

static struct ct_kcontrol_init
ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = {
	[MIXER_MASTER_P] = {
		.ctl = 1,
		.name = "Master Playback Volume",
	},
	[MIXER_MASTER_C] = {
		.ctl = 1,
		.name = "Master Capture Volume",
	},
	[MIXER_PCM_P] = {
		.ctl = 1,
		.name = "PCM Playback Volume",
	},
	[MIXER_PCM_C] = {
		.ctl = 1,
		.name = "PCM Capture Volume",
	},
	[MIXER_LINEIN_P] = {
		.ctl = 1,
		.name = "Line-in Playback Volume",
	},
	[MIXER_LINEIN_C] = {
		.ctl = 1,
		.name = "Line-in Capture Volume",
	},
	[MIXER_MIC_P] = {
		.ctl = 1,
		.name = "Mic Playback Volume",
	},
	[MIXER_MIC_C] = {
		.ctl = 1,
		.name = "Mic Capture Volume",
	},
	[MIXER_SPDIFI_P] = {
		.ctl = 1,
		.name = "S/PDIF-in Playback Volume",
	},
	[MIXER_SPDIFI_C] = {
		.ctl = 1,
		.name = "S/PDIF-in Capture Volume",
	},
	[MIXER_SPDIFO_P] = {
		.ctl = 1,
		.name = "S/PDIF-out Playback Volume",
	},
	[MIXER_WAVEF_P] = {
		.ctl = 1,
		.name = "Front Playback Volume",
	},
	[MIXER_WAVES_P] = {