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Diffstat (limited to 'include/sound/ac97_codec.h')
| -rw-r--r-- | include/sound/ac97_codec.h | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h new file mode 100644 index 0000000000..c495c6d5fb --- /dev/null +++ b/include/sound/ac97_codec.h @@ -0,0 +1,421 @@ +/* SPDX-License-Identifier: GPL-2.0+ + * + * 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). + */ + +#ifndef __SOUND_AC97_CODEC_H +#define __SOUND_AC97_CODEC_H + +#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 -- */ + const 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); +} +static inline int ac97_is_modem(struct snd_ac97 * ac97) +{ + return (ac97->scaps & AC97_SCAP_MODEM); +} +static inline int ac97_is_rev22(struct snd_ac97 * ac97) +{ + return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22; +} +static inline int ac97_can_amap(struct snd_ac97 * ac97) +{ + return (ac97->ext_id & AC97_EI_AMAP) != 0; +} +static inline int ac97_can_spdif(struct snd_ac97 * ac97) +{ + return (ac97->ext_id & AC97_EI_SPDIF) != 0; +} + +/* functions */ +/* create new AC97 bus */ +int snd_ac97_bus(struct snd_card *card, int num, + const 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; +} +#endif +#ifdef CONFIG_PM +void snd_ac97_suspend(struct snd_ac97 *ac97); +void snd_ac97_resume(struct snd_ac97 *ac97); +#else +static inline void snd_ac97_suspend(struct snd_ac97 *ac97) {} +static inline 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; +} + +#endif /* __SOUND_AC97_CODEC_H */ |