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Release 4.16 include/sound/ac97_codec.h

Directory: include/sound
#ifndef __SOUND_AC97_CODEC_H

#define __SOUND_AC97_CODEC_H

/*
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  Universal interface for Audio Codec '97
 *
 *  For more details look to AC '97 component specification revision 2.1
 *  by Intel Corporation (http://developer.intel.com).
 *
 *
 *   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/bitops.h>
#include <linux/device.h>
#include <linux/workqueue.h>
#include <sound/ac97/regs.h>
#include <sound/pcm.h>
#include <sound/control.h>
#include <sound/info.h>

/* maximum number of devices on the AC97 bus */

#define	AC97_BUS_MAX_DEVICES	4

/* specific - SigmaTel */

#define AC97_SIGMATEL_OUTSEL	0x64	
/* Output Select, STAC9758 */

#define AC97_SIGMATEL_INSEL	0x66	
/* Input Select, STAC9758 */

#define AC97_SIGMATEL_IOMISC	0x68	
/* STAC9758 */

#define AC97_SIGMATEL_ANALOG	0x6c	
/* Analog Special */

#define AC97_SIGMATEL_DAC2INVERT 0x6e

#define AC97_SIGMATEL_BIAS1	0x70

#define AC97_SIGMATEL_BIAS2	0x72

#define AC97_SIGMATEL_VARIOUS	0x72	
/* STAC9758 */

#define AC97_SIGMATEL_MULTICHN	0x74	
/* Multi-Channel programming */

#define AC97_SIGMATEL_CIC1	0x76

#define AC97_SIGMATEL_CIC2	0x78

/* specific - Analog Devices */

#define AC97_AD_TEST		0x5a	
/* test register */

#define AC97_AD_TEST2		0x5c	
/* undocumented test register 2 */

#define AC97_AD_HPFD_SHIFT	12	
/* High Pass Filter Disable */

#define AC97_AD_CODEC_CFG	0x70	
/* codec configuration */

#define AC97_AD_JACK_SPDIF	0x72	
/* Jack Sense & S/PDIF */

#define AC97_AD_SERIAL_CFG	0x74	
/* Serial Configuration */

#define AC97_AD_MISC		0x76	
/* Misc Control Bits */

#define AC97_AD_VREFD_SHIFT	2	
/* V_REFOUT Disable (AD1888) */

/* specific - Cirrus Logic */

#define AC97_CSR_ACMODE		0x5e	
/* AC Mode Register */

#define AC97_CSR_MISC_CRYSTAL	0x60	
/* Misc Crystal Control */

#define AC97_CSR_SPDIF		0x68	
/* S/PDIF Register */

#define AC97_CSR_SERIAL		0x6a	
/* Serial Port Control */

#define AC97_CSR_SPECF_ADDR	0x6c	
/* Special Feature Address */

#define AC97_CSR_SPECF_DATA	0x6e	
/* Special Feature Data */

#define AC97_CSR_BDI_STATUS	0x7a	
/* BDI Status */

/* specific - Conexant */

#define AC97_CXR_AUDIO_MISC	0x5c

#define AC97_CXR_SPDIFEN	(1<<3)

#define AC97_CXR_COPYRGT	(1<<2)

#define AC97_CXR_SPDIF_MASK	(3<<0)

#define AC97_CXR_SPDIF_PCM	0x0

#define AC97_CXR_SPDIF_AC3	0x2

/* specific - ALC */

#define AC97_ALC650_SPDIF_INPUT_STATUS1	0x60
/* S/PDIF input status 1 bit defines */

#define AC97_ALC650_PRO             0x0001  
/* Professional status */

#define AC97_ALC650_NAUDIO          0x0002  
/* Non audio stream */

#define AC97_ALC650_COPY            0x0004  
/* Copyright status */

#define AC97_ALC650_PRE             0x0038  
/* Preemphasis status */

#define AC97_ALC650_PRE_SHIFT       3

#define AC97_ALC650_MODE            0x00C0  
/* Preemphasis status */

#define AC97_ALC650_MODE_SHIFT      6

#define AC97_ALC650_CC_MASK         0x7f00  
/* Category Code mask */

#define AC97_ALC650_CC_SHIFT        8

#define AC97_ALC650_L               0x8000  
/* Generation Level status */


#define AC97_ALC650_SPDIF_INPUT_STATUS2	0x62
/* S/PDIF input status 2 bit defines */

#define AC97_ALC650_SOUCE_MASK      0x000f  
/* Source number */

#define AC97_ALC650_CHANNEL_MASK    0x00f0  
/* Channel number */

#define AC97_ALC650_CHANNEL_SHIFT   4 

#define AC97_ALC650_SPSR_MASK       0x0f00  
/* S/PDIF Sample Rate bits */

#define AC97_ALC650_SPSR_SHIFT      8

#define AC97_ALC650_SPSR_44K        0x0000  
/* Use 44.1kHz Sample rate */

#define AC97_ALC650_SPSR_48K        0x0200  
/* Use 48kHz Sample rate */

#define AC97_ALC650_SPSR_32K        0x0300  
/* Use 32kHz Sample rate */

#define AC97_ALC650_CLOCK_ACCURACY  0x3000  
/* Clock accuracy */

#define AC97_ALC650_CLOCK_SHIFT     12

#define AC97_ALC650_CLOCK_LOCK      0x4000  
/* Clock locked status */

#define AC97_ALC650_V               0x8000  
/* Validity status */


#define AC97_ALC650_SURR_DAC_VOL	0x64

#define AC97_ALC650_LFE_DAC_VOL		0x66

#define AC97_ALC650_UNKNOWN1		0x68

#define AC97_ALC650_MULTICH		0x6a

#define AC97_ALC650_UNKNOWN2		0x6c

#define AC97_ALC650_REVISION		0x6e

#define AC97_ALC650_UNKNOWN3		0x70

#define AC97_ALC650_UNKNOWN4		0x72

#define AC97_ALC650_MISC		0x74

#define AC97_ALC650_GPIO_SETUP		0x76

#define AC97_ALC650_GPIO_STATUS		0x78

#define AC97_ALC650_CLOCK		0x7a

/* specific - Yamaha YMF7x3 */

#define AC97_YMF7X3_DIT_CTRL	0x66	
/* DIT Control (YMF743) / 2 (YMF753) */

#define AC97_YMF7X3_3D_MODE_SEL	0x68	
/* 3D Mode Select */

/* specific - C-Media */

#define AC97_CM9738_VENDOR_CTRL	0x5a

#define AC97_CM9739_MULTI_CHAN	0x64

#define AC97_CM9739_SPDIF_IN_STATUS	0x68 
/* 32bit */

#define AC97_CM9739_SPDIF_CTRL	0x6c

/* specific - wolfson */

#define AC97_WM97XX_FMIXER_VOL  0x72

#define AC97_WM9704_RMIXER_VOL  0x74

#define AC97_WM9704_TEST        0x5a

#define AC97_WM9704_RPCM_VOL    0x70

#define AC97_WM9711_OUT3VOL     0x16


/* ac97->scaps */

#define AC97_SCAP_AUDIO		(1<<0)	
/* audio codec 97 */

#define AC97_SCAP_MODEM		(1<<1)	
/* modem codec 97 */

#define AC97_SCAP_SURROUND_DAC	(1<<2)	
/* surround L&R DACs are present */

#define AC97_SCAP_CENTER_LFE_DAC (1<<3)	
/* center and LFE DACs are present */

#define AC97_SCAP_SKIP_AUDIO	(1<<4)	
/* skip audio part of codec */

#define AC97_SCAP_SKIP_MODEM	(1<<5)	
/* skip modem part of codec */

#define AC97_SCAP_INDEP_SDIN	(1<<6)	
/* independent SDIN */

#define AC97_SCAP_INV_EAPD	(1<<7)	
/* inverted EAPD */

#define AC97_SCAP_DETECT_BY_VENDOR (1<<8) 
/* use vendor registers for read tests */

#define AC97_SCAP_NO_SPDIF	(1<<9)	
/* don't build SPDIF controls */

#define AC97_SCAP_EAPD_LED	(1<<10)	
/* EAPD as mute LED */

#define AC97_SCAP_POWER_SAVE	(1<<11)	
/* capable for aggressive power-saving */

/* ac97->flags */

#define AC97_HAS_PC_BEEP	(1<<0)	
/* force PC Speaker usage */

#define AC97_AD_MULTI		(1<<1)	
/* Analog Devices - multi codecs */

#define AC97_CS_SPDIF		(1<<2)	
/* Cirrus Logic uses funky SPDIF */

#define AC97_CX_SPDIF		(1<<3)	
/* Conexant's spdif interface */

#define AC97_STEREO_MUTES	(1<<4)	
/* has stereo mute bits */

#define AC97_DOUBLE_RATE	(1<<5)	
/* supports double rate playback */

#define AC97_HAS_NO_MASTER_VOL	(1<<6)	
/* no Master volume */

#define AC97_HAS_NO_PCM_VOL	(1<<7)	
/* no PCM volume */

#define AC97_DEFAULT_POWER_OFF	(1<<8)	
/* no RESET write */

#define AC97_MODEM_PATCH	(1<<9)	
/* modem patch */

#define AC97_HAS_NO_REC_GAIN	(1<<10) 
/* no Record gain */

#define AC97_HAS_NO_PHONE	(1<<11) 
/* no PHONE volume */

#define AC97_HAS_NO_PC_BEEP	(1<<12) 
/* no PC Beep volume */

#define AC97_HAS_NO_VIDEO	(1<<13) 
/* no Video volume */

#define AC97_HAS_NO_CD		(1<<14) 
/* no CD volume */

#define AC97_HAS_NO_MIC	(1<<15) 
/* no MIC volume */

#define AC97_HAS_NO_TONE	(1<<16) 
/* no Tone volume */

#define AC97_HAS_NO_STD_PCM	(1<<17)	
/* no standard AC97 PCM volume and mute */

#define AC97_HAS_NO_AUX		(1<<18) 
/* no standard AC97 AUX volume and mute */

#define AC97_HAS_8CH		(1<<19) 
/* supports 8-channel output */

/* rates indexes */

#define AC97_RATES_FRONT_DAC	0

#define AC97_RATES_SURR_DAC	1

#define AC97_RATES_LFE_DAC	2

#define AC97_RATES_ADC		3

#define AC97_RATES_MIC_ADC	4

#define AC97_RATES_SPDIF	5


#define AC97_NUM_GPIOS		16
/*
 *
 */

struct snd_ac97;
struct snd_ac97_gpio_priv;
struct snd_pcm_chmap;


struct snd_ac97_build_ops {
	
int (*build_3d) (struct snd_ac97 *ac97);
	
int (*build_specific) (struct snd_ac97 *ac97);
	
int (*build_spdif) (struct snd_ac97 *ac97);
	
int (*build_post_spdif) (struct snd_ac97 *ac97);
#ifdef CONFIG_PM
	
void (*suspend) (struct snd_ac97 *ac97);
	
void (*resume) (struct snd_ac97 *ac97);
#endif
	
void (*update_jacks) (struct snd_ac97 *ac97);	/* for jack-sharing */
};


struct snd_ac97_bus_ops {
	
void (*reset) (struct snd_ac97 *ac97);
	
void (*warm_reset)(struct snd_ac97 *ac97);
	
void (*write) (struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
	
unsigned short (*read) (struct snd_ac97 *ac97, unsigned short reg);
	
void (*wait) (struct snd_ac97 *ac97);
	
void (*init) (struct snd_ac97 *ac97);
};


struct snd_ac97_bus {
	/* -- lowlevel (hardware) driver specific -- */
	
struct snd_ac97_bus_ops *ops;
	
void *private_data;
	
void (*private_free) (struct snd_ac97_bus *bus);
	/* --- */
	
struct snd_card *card;
	
unsigned short num;	/* bus number */
	
unsigned short no_vra: 1, /* bridge doesn't support VRA */
		       
dra: 1,	/* bridge supports double rate */
		       
isdin: 1;/* independent SDIN */
	
unsigned int clock;	/* AC'97 base clock (usually 48000Hz) */
	
spinlock_t bus_lock;	/* used mainly for slot allocation */
	
unsigned short used_slots[2][4]; /* actually used PCM slots */
	
unsigned short pcms_count; /* count of PCMs */
	
struct ac97_pcm *pcms;
	
struct snd_ac97 *codec[4];
	
struct snd_info_entry *proc;
};

/* static resolution table */

struct snd_ac97_res_table {
	
unsigned short reg;	/* register */
	
unsigned short bits;	/* resolution bitmask */
};


struct snd_ac97_template {
	
void *private_data;
	
void (*private_free) (struct snd_ac97 *ac97);
	
struct pci_dev *pci;	/* assigned PCI device - used for quirks */
	
unsigned short num;	/* number of codec: 0 = primary, 1 = secondary */
	
unsigned short addr;	/* physical address of codec [0-3] */
	
unsigned int scaps;	/* driver capabilities */
	
const struct snd_ac97_res_table *res_table;	/* static resolution */
};


struct snd_ac97 {
	/* -- lowlevel (hardware) driver specific -- */
	
const struct snd_ac97_build_ops *build_ops;
	
void *private_data;
	
void (*private_free) (struct snd_ac97 *ac97);
	/* --- */
	
struct snd_ac97_bus *bus;
	
struct pci_dev *pci;	/* assigned PCI device - used for quirks */
	
struct snd_info_entry *proc;
	
struct snd_info_entry *proc_regs;
	
unsigned short subsystem_vendor;
	
unsigned short subsystem_device;
	
struct mutex reg_mutex;
	
struct mutex page_mutex;	/* mutex for AD18xx multi-codecs and paging (2.3) */
	
unsigned short num;	/* number of codec: 0 = primary, 1 = secondary */
	
unsigned short addr;	/* physical address of codec [0-3] */
	
unsigned int id;	/* identification of codec */
	
unsigned short caps;	/* capabilities (register 0) */
	
unsigned short ext_id;	/* extended feature identification (register 28) */
	
unsigned short ext_mid;	/* extended modem ID (register 3C) */
	
const struct snd_ac97_res_table *res_table;	/* static resolution */
	
unsigned int scaps;	/* driver capabilities */
	
unsigned int flags;	/* specific code */
	
unsigned int rates[6];	/* see AC97_RATES_* defines */
	
unsigned int spdif_status;
	
unsigned short regs[0x80]; /* register cache */
	DECLARE_BITMAP(reg_accessed, 0x80); /* bit flags */
	
union {			/* vendor specific code */
		
struct {
			
unsigned short unchained[3];	// 0 = C34, 1 = C79, 2 = C69
			
unsigned short chained[3];	// 0 = C34, 1 = C79, 2 = C69
			
unsigned short id[3];		// codec IDs (lower 16-bit word)
			
unsigned short pcmreg[3];	// PCM registers
			
unsigned short codec_cfg[3];	// CODEC_CFG bits
			
unsigned char swap_mic_linein;	// AD1986/AD1986A only
			
unsigned char lo_as_master;	/* LO as master */
		
} ad18xx;
		
unsigned int dev_flags;		/* device specific */
	
} spec;
	/* jack-sharing info */
	
unsigned char indep_surround;
	
unsigned char channel_mode;

#ifdef CONFIG_SND_AC97_POWER_SAVE
	
unsigned int power_up;	/* power states */
	
struct delayed_work power_work;
#endif
	
struct device dev;
	
struct snd_ac97_gpio_priv *gpio_priv;

	
struct snd_pcm_chmap *chmaps[2]; /* channel-maps (optional) */
};


#define to_ac97_t(d) container_of(d, struct snd_ac97, dev)

/* conditions */

static inline int ac97_is_audio(struct snd_ac97 * ac97) { return (ac97->scaps & AC97_SCAP_AUDIO); }

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static inline int ac97_is_modem(struct snd_ac97 * ac97) { return (ac97->scaps & AC97_SCAP_MODEM); }

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static inline int ac97_is_rev22(struct snd_ac97 * ac97) { return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22; }

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static inline int ac97_can_amap(struct snd_ac97 * ac97) { return (ac97->ext_id & AC97_EI_AMAP) != 0; }

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static inline int ac97_can_spdif(struct snd_ac97 * ac97) { return (ac97->ext_id & AC97_EI_SPDIF) != 0; }

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/* functions */ /* create new AC97 bus */ int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, void *private_data, struct snd_ac97_bus **rbus); /* create mixer controls */ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97); const char *snd_ac97_get_short_name(struct snd_ac97 *ac97); void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg); void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value); #ifdef CONFIG_SND_AC97_POWER_SAVE int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup); #else
static inline int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) { return 0; }

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#endif #ifdef CONFIG_PM void snd_ac97_suspend(struct snd_ac97 *ac97); void snd_ac97_resume(struct snd_ac97 *ac97); #endif int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id, unsigned int id_mask); /* quirk types */ enum { AC97_TUNE_DEFAULT = -1, /* use default from quirk list (not valid in list) */ AC97_TUNE_NONE = 0, /* nothing extra to do */ AC97_TUNE_HP_ONLY, /* headphone (true line-out) control as master only */ AC97_TUNE_SWAP_HP, /* swap headphone and master controls */ AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */ AC97_TUNE_AD_SHARING, /* for AD1985, turn on OMS bit and use headphone */ AC97_TUNE_ALC_JACK, /* for Realtek, enable JACK detection */ AC97_TUNE_INV_EAPD, /* inverted EAPD implementation */ AC97_TUNE_MUTE_LED, /* EAPD bit works as mute LED */ AC97_TUNE_HP_MUTE_LED, /* EAPD bit works as mute LED, use headphone control as master */ }; struct ac97_quirk { unsigned short subvendor; /* PCI subsystem vendor id */ unsigned short subdevice; /* PCI subsystem device id */ unsigned short mask; /* device id bit mask, 0 = accept all */ unsigned int codec_id; /* codec id (if any), 0 = accept all */ const char *name; /* name shown as info */ int type; /* quirk type above */ }; int snd_ac97_tune_hardware(struct snd_ac97 *ac97, const struct ac97_quirk *quirk, const char *override); int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate); /* * PCM allocation */ enum ac97_pcm_cfg { AC97_PCM_CFG_FRONT = 2, AC97_PCM_CFG_REAR = 10, /* alias surround */ AC97_PCM_CFG_LFE = 11, /* center + lfe */ AC97_PCM_CFG_40 = 4, /* front + rear */ AC97_PCM_CFG_51 = 6, /* front + rear + center/lfe */ AC97_PCM_CFG_SPDIF = 20 }; struct ac97_pcm { struct snd_ac97_bus *bus; unsigned int stream: 1, /* stream type: 1 = capture */ exclusive: 1, /* exclusive mode, don't override with other pcms */ copy_flag: 1, /* lowlevel driver must fill all entries */ spdif: 1; /* spdif pcm */ unsigned short aslots; /* active slots */ unsigned short cur_dbl; /* current double-rate state */ unsigned int rates; /* available rates */ struct { unsigned short slots; /* driver input: requested AC97 slot numbers */ unsigned short rslots[4]; /* allocated slots per codecs */ unsigned char rate_table[4]; struct snd_ac97 *codec[4]; /* allocated codecs */ } r[2]; /* 0 = standard rates, 1 = double rates */ unsigned long private_value; /* used by the hardware driver */ }; int snd_ac97_pcm_assign(struct snd_ac97_bus *ac97, unsigned short pcms_count, const struct ac97_pcm *pcms); int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate, enum ac97_pcm_cfg cfg, unsigned short slots); int snd_ac97_pcm_close(struct ac97_pcm *pcm); int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime); /* ad hoc AC97 device driver access */ extern struct bus_type ac97_bus_type; /* AC97 platform_data adding function */
static inline void snd_ac97_dev_add_pdata(struct snd_ac97 *ac97, void *data) { ac97->dev.platform_data = data; }

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#endif /* __SOUND_AC97_CODEC_H */

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Marek Vašut301.60%22.44%
Liam Girdwood281.49%22.44%
Lars-Peter Clausen201.07%11.22%
Robert Jarzmik150.80%22.44%
Richard Purdie120.64%11.22%
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Keita Maehara40.21%11.22%
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Directory: include/sound
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