path: root/sound/pci/hda/patch_cirrus.c

/*
 * 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/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/tlv.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "hda_generic.h"

/*
 */

struct cs_spec {
	struct hda_gen_spec gen;

	unsigned int gpio_mask;
	unsigned int gpio_dir;
	unsigned int gpio_data;
	unsigned int gpio_eapd_hp; /* EAPD GPIO bit for headphones */
	unsigned int gpio_eapd_speaker; /* EAPD GPIO bit for speakers */

	/* CS421x */
	unsigned int spdif_detect:1;
	unsigned int spdif_present:1;
	unsigned int sense_b:1;
	hda_nid_t vendor_nid;

	/* for MBP SPDIF control */
	int (*spdif_sw_put)(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_value *ucontrol);
};

/* available models with CS420x */
enum {
	CS420X_MBP53,
	CS420X_MBP55,
	CS420X_IMAC27,
	CS420X_GPIO_13,
	CS420X_GPIO_23,
	CS420X_MBP101,
	CS420X_MBP81,
	CS420X_MBA42,
	CS420X_AUTO,
	/* aliases */
	CS420X_IMAC27_122 = CS420X_GPIO_23,
	CS420X_APPLE = CS420X_GPIO_13,
};

/* CS421x boards */
enum {
	CS421X_CDB4210,
	CS421X_SENSE_B,
	CS421X_STUMPY,
};

/* 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	0x0e
#define CS_DMIC2_PIN_NID	0x12

/* 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 */

/* Cirrus Logic CS4208 */
#define CS4208_VENDOR_NID	0x24

/*
 * Cirrus Logic CS4210
 *
 * 1 DAC => HP(sense) / Speakers,
 * 1 ADC <= LineIn(sense) / MicIn / DMicIn,
 * 1 SPDIF OUT => SPDIF Trasmitter(sense)
*/
#define CS4210_DAC_NID		0x02
#define CS4210_ADC_NID		0x03
#define CS4210_VENDOR_NID	0x0B
#define CS421X_DMIC_PIN_NID	0x09 /* Port E */
#define CS421X_SPDIF_PIN_NID	0x0A /* Port H */

#define CS421X_IDX_DEV_CFG	0x01
#define CS421X_IDX_ADC_CFG	0x02
#define CS421X_IDX_DAC_CFG	0x03
#define CS421X_IDX_SPK_CTL	0x04

#define SPDIF_EVENT		0x04

/* Cirrus Logic CS4213 is like CS4210 but does not have SPDIF input/output */
#define CS4213_VENDOR_NID	0x09


static inline int cs_vendor_coef_get(struct hda_codec *codec, unsigned int idx)
{
	struct cs_spec *spec = codec->spec;
	snd_hda_codec_write(codec, spec->vendor_nid, 0,
			    AC_VERB_SET_COEF_INDEX, idx);
	return snd_hda_codec_read(codec, spec->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)
{
	struct cs_spec *spec = codec->spec;
	snd_hda_codec_write(codec, spec->vendor_nid, 0,
			    AC_VERB_SET_COEF_INDEX, idx);
	snd_hda_codec_write(codec, spec->vendor_nid, 0,
			    AC_VERB_SET_PROC_COEF<