/*
* HD audio interface patch for Cirrus Logic CS420x chip
*
* Copyright (c) 2009 Takashi Iwai <tiwai@suse.de>
*
* This driver 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 driver 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/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
/*
*/
struct cs_spec {
int board_config;
struct auto_pin_cfg autocfg;
struct hda_multi_out multiout;
struct snd_kcontrol *vmaster_sw;
struct snd_kcontrol *vmaster_vol;
hda_nid_t dac_nid[AUTO_CFG_MAX_OUTS];
hda_nid_t slave_dig_outs[2];
unsigned int input_idx[AUTO_PIN_LAST];
unsigned int capsrc_idx[AUTO_PIN_LAST];
hda_nid_t adc_nid[AUTO_PIN_LAST];
unsigned int adc_idx[AUTO_PIN_LAST];
unsigned int num_inputs;
unsigned int cur_input;
unsigned int automic_idx;
hda_nid_t cur_adc;
unsigned int cur_adc_stream_tag;
unsigned int cur_adc_format;
hda_nid_t dig_in;
struct hda_bind_ctls *capture_bind[2];
unsigned int gpio_mask;
unsigned int gpio_dir;
unsigned int gpio_data;
struct hda_pcm pcm_rec[2]; /* PCM information */
unsigned int hp_detect:1;
unsigned int mic_detect:1;
};
/* available models */
enum {
CS420X_MBP55,
CS420X_AUTO,
CS420X_MODELS
};
/* Vendor-specific processing widget */
#define CS420X_VENDOR_NID 0x11
#define CS_DIG_OUT1_PIN_NID 0x10
#define CS_DIG_OUT2_PIN_NID 0x15
#define CS_DMIC1_PIN_NID 0x12
#define CS_DMIC2_PIN_NID 0x0e
/* coef indices */
#define IDX_SPDIF_STAT 0x0000
#define IDX_SPDIF_CTL 0x0001
#define IDX_ADC_CFG 0x0002
/* SZC bitmask, 4 modes below:
* 0 = immediate,
* 1 = digital immediate, analog zero-cross
* 2 = digtail & analog soft-ramp
* 3 = digital soft-ramp, analog zero-cross
*/
#define CS_COEF_ADC_SZC_MASK (3 << 0)
#define CS_COEF_ADC_MIC_SZC_MODE (3 << 0) /* SZC setup for mic */
#define CS_COEF_ADC_LI_SZC_MODE (3 << 0) /* SZC setup for line-in */
/* PGA mode: 0 = differential, 1 = signle-ended */
#define CS_COEF_ADC_MIC_PGA_MODE (1 << 5) /* PGA setup for mic */
#define CS_COEF_ADC_LI_PGA_MODE (1 << 6) /* PGA setup for line-in */
#define IDX_DAC_CFG 0x0003
/* SZC bitmask, 4 modes below:
* 0 = Immediate
* 1 = zero-cross
* 2 = soft-ramp
* 3 = soft-ramp on zero-cross
*/
#define CS_COEF_DAC_HP_SZC_MODE (3 << 0) /* nid 0x02 */
#define CS_COEF_DAC_LO_SZC_MODE (3 << 2) /* nid 0x03 */
#define CS_COEF_DAC_SPK_SZC_MODE (3 << 4) /* nid 0x04 */
#define IDX_BEEP_CFG 0x0004
/* 0x0008 - test reg key */
/* 0x0009 - 0x0014 -> 12 test regs */
/* 0x0015 - visibility reg */
static inline int cs_vendor_coef_get(struct hda_codec *codec, unsigned int idx)
{
snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
AC_VERB_SET_COEF_INDEX, idx);
return snd_hda_codec_read(codec, CS420X_VENDOR_NID, 0,
AC_VERB_GET_PROC_COEF, 0);
}
static inline void cs_vendor_coef_set(struct hda_codec *codec, unsigned int idx,
unsigned int coef)
{
snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
AC_VERB_SET_COEF_INDEX, idx);
snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
AC_VERB_SET_PROC_COEF, coef);
}
#define HP_EVENT 1
#define MIC_EVENT 2
/*
* PCM callbacks
*/
static int cs_playback_pcm_open(struct hda_pcm_stream *hinfo,
struct hda_codec *codec,
struct snd_pcm_substream *substream)
{
struct cs_spec *spec = codec->spec;
return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
hinfo);
}
static int cs_playback_pcm_prepare(struct