Changeset 71


Ignore:
Timestamp:
Jan 14, 2006, 7:00:01 PM (20 years ago)
Author:
vladest
Message:

Includes update

Location:
GPL/trunk/alsa-kernel/include/sound
Files:
2 edited

Legend:

Unmodified
Added
Removed

  • GPL/trunk/alsa-kernel/include/sound/ac97_codec.h

    r36 r71  
    2626 */
    2727
     28#include <linux/bitops.h>
     29//#include <linux/device.h>
     30#include "pcm.h"
    2831#include "control.h"
    29 #include "pcm.h"
    3032#include "info.h"
    3133
    … …  
    5254#define AC97_GENERAL_PURPOSE    0x20    /* General Purpose (optional) */
    5355#define AC97_3D_CONTROL         0x22    /* 3D Control (optional) */
    54 #define AC97_INT_PAGING         0x24    /* Audio Interrupt & Paging (AC'97 2.3) */
     56#define AC97_INT_PAGING         0x24    /* Audio Interrupt & Paging (AC'97 2.3) */
    5557#define AC97_POWERDOWN          0x26    /* Powerdown control / status */
    5658/* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */
    … …  
    8486#define AC97_VENDOR_ID2         0x7e    /* Vendor ID2 / revision */
    8587/* range 0x60-0x6f (page 1) - extended codec registers */
    86 #define AC97_CODEC_CLASS_REV    0x60    /* Codec Class/Revision */
    87 #define AC97_PCI_SVID           0x62    /* PCI Subsystem Vendor ID */
    88 #define AC97_PCI_SID            0x64    /* PCI Subsystem ID */
    89 #define AC97_FUNC_SELECT        0x66    /* Function Select */
    90 #define AC97_FUNC_INFO          0x68    /* Function Information */
    91 #define AC97_SENSE_INFO         0x6a    /* Sense Details */
     88#define AC97_CODEC_CLASS_REV    0x60    /* Codec Class/Revision */
     89#define AC97_PCI_SVID           0x62    /* PCI Subsystem Vendor ID */
     90#define AC97_PCI_SID            0x64    /* PCI Subsystem ID */
     91#define AC97_FUNC_SELECT        0x66    /* Function Select */
     92#define AC97_FUNC_INFO          0x68    /* Function Information */
     93#define AC97_SENSE_INFO         0x6a    /* Sense Details */
    9294
    9395/* slot allocation */
    … …  
    135137
    136138/* general purpose */
    137 #define AC97_GP_DRSS_MASK       0x0c00  /* double rate slot select */
    138 #define AC97_GP_DRSS_1011       0x0000  /* LR(C) 10+11(+12) */
    139 #define AC97_GP_DRSS_78         0x0400  /* LR 7+8 */
     139#define AC97_GP_DRSS_MASK       0x0c00  /* double rate slot select */
     140#define AC97_GP_DRSS_1011       0x0000  /* LR(C) 10+11(+12) */
     141#define AC97_GP_DRSS_78         0x0400  /* LR 7+8 */
    140142
    141143/* extended audio ID bit defines */
    … …  
    152154#define AC97_EI_REV_MASK        0x0c00  /* AC'97 revision mask */
    153155#define AC97_EI_REV_22          0x0400  /* AC'97 revision 2.2 */
    154 #define AC97_EI_REV_23          0x0800  /* AC'97 revision 2.3 */
     156#define AC97_EI_REV_23          0x0800  /* AC'97 revision 2.3 */
    155157#define AC97_EI_REV_SHIFT       10
    156158#define AC97_EI_ADDR_MASK       0xc000  /* physical codec ID (address) */
    … …  
    195197
    196198/* Interrupt and Paging bit defines (AC'97 2.3) */
    197 #define AC97_PAGE_MASK          0x000f  /* Page Selector */
    198 #define AC97_PAGE_VENDOR        0       /* Vendor-specific registers */
    199 #define AC97_PAGE_1             1       /* Extended Codec Registers page 1 */
    200 #define AC97_INT_ENABLE         0x0800  /* Interrupt Enable */
    201 #define AC97_INT_SENSE          0x1000  /* Sense Cycle */
    202 #define AC97_INT_CAUSE_SENSE    0x2000  /* Sense Cycle Completed (RO) */
    203 #define AC97_INT_CAUSE_GPIO     0x4000  /* GPIO bits changed (RO) */
    204 #define AC97_INT_STATUS         0x8000  /* Interrupt Status */
     199#define AC97_PAGE_MASK          0x000f  /* Page Selector */
     200#define AC97_PAGE_VENDOR        0       /* Vendor-specific registers */
     201#define AC97_PAGE_1             1       /* Extended Codec Registers page 1 */
     202#define AC97_INT_ENABLE         0x0800  /* Interrupt Enable */
     203#define AC97_INT_SENSE          0x1000  /* Sense Cycle */
     204#define AC97_INT_CAUSE_SENSE    0x2000  /* Sense Cycle Completed (RO) */
     205#define AC97_INT_CAUSE_GPIO     0x4000  /* GPIO bits changed (RO) */
     206#define AC97_INT_STATUS         0x8000  /* Interrupt Status */
    205207
    206208/* extended modem ID bit defines */
    … …  
    250252
    251253/* specific - SigmaTel */
    252 #define AC97_SIGMATEL_OUTSEL    0x64    /* Output Select, STAC9758 */
    253 #define AC97_SIGMATEL_INSEL     0x66    /* Input Select, STAC9758 */
    254 #define AC97_SIGMATEL_IOMISC    0x68    /* STAC9758 */
     254#define AC97_SIGMATEL_OUTSEL    0x64    /* Output Select, STAC9758 */
     255#define AC97_SIGMATEL_INSEL     0x66    /* Input Select, STAC9758 */
     256#define AC97_SIGMATEL_IOMISC    0x68    /* STAC9758 */
    255257#define AC97_SIGMATEL_ANALOG    0x6c    /* Analog Special */
    256258#define AC97_SIGMATEL_DAC2INVERT 0x6e
    257259#define AC97_SIGMATEL_BIAS1     0x70
    258260#define AC97_SIGMATEL_BIAS2     0x72
    259 #define AC97_SIGMATEL_VARIOUS   0x72    /* STAC9758 */
     261#define AC97_SIGMATEL_VARIOUS   0x72    /* STAC9758 */
    260262#define AC97_SIGMATEL_MULTICHN  0x74    /* Multi-Channel programming */
    261263#define AC97_SIGMATEL_CIC1      0x76
    … …  
    304306#define AC97_ALC650_SOUCE_MASK      0x000f  /* Source number */
    305307#define AC97_ALC650_CHANNEL_MASK    0x00f0  /* Channel number */
    306 #define AC97_ALC650_CHANNEL_SHIFT   4
     308#define AC97_ALC650_CHANNEL_SHIFT   4 
    307309#define AC97_ALC650_SPSR_MASK       0x0f00  /* S/PDIF Sample Rate bits */
    308310#define AC97_ALC650_SPSR_SHIFT      8
    … …  
    318320#define AC97_ALC650_LFE_DAC_VOL         0x66
    319321#define AC97_ALC650_UNKNOWN1            0x68
    320 #define AC97_ALC650_MULTICH     0x6a
     322#define AC97_ALC650_MULTICH             0x6a
    321323#define AC97_ALC650_UNKNOWN2            0x6c
    322 #define AC97_ALC650_REVISION    0x6e
     324#define AC97_ALC650_REVISION            0x6e
    323325#define AC97_ALC650_UNKNOWN3            0x70
    324326#define AC97_ALC650_UNKNOWN4            0x72
    … …  
    326328#define AC97_ALC650_GPIO_SETUP          0x76
    327329#define AC97_ALC650_GPIO_STATUS         0x78
    328 #define AC97_ALC650_CLOCK       0x7a
     330#define AC97_ALC650_CLOCK               0x7a
    329331
    330332/* specific - Yamaha YMF753 */
    … …  
    354356#define AC97_SCAP_SKIP_MODEM    (1<<5)  /* skip modem part of codec */
    355357#define AC97_SCAP_INDEP_SDIN    (1<<6)  /* independent SDIN */
    356 #define AC97_SCAP_INV_EAPD      (1<<7)  /* inverted EAPD */
     358#define AC97_SCAP_INV_EAPD      (1<<7)  /* inverted EAPD */
    357359#define AC97_SCAP_DETECT_BY_VENDOR (1<<8) /* use vendor registers for read tests */
    358 #define AC97_SCAP_NO_SPDIF      (1<<9)  /* don't build SPDIF controls */
     360#define AC97_SCAP_NO_SPDIF      (1<<9)  /* don't build SPDIF controls */
    359361
    360362/* ac97->flags */
    … …  
    364366#define AC97_CX_SPDIF           (1<<3)  /* Conexant's spdif interface */
    365367#define AC97_STEREO_MUTES       (1<<4)  /* has stereo mute bits */
    366 #define AC97_DOUBLE_RATE        (1<<5)  /* supports double rate playback */
    367 #define AC97_HAS_NO_MASTER_VOL  (1<<6)  /* no Master volume */
    368 #define AC97_HAS_NO_PCM_VOL     (1<<7)  /* no PCM volume */
    369 
    370 #define AC97_DEFAULT_POWER_OFF  (1<<8)  /* no RESET write */
    371 #define AC97_MODEM_PATCH        (1<<9)  /* modem patch */
    372 #define AC97_HAS_NO_REC_GAIN    (1<<10) /* no Record gain */
    373 #define AC97_HAS_NO_PHONE       (1<<11) /* no PHONE volume */
    374 #define AC97_HAS_NO_PC_BEEP     (1<<12) /* no PC Beep volume */
    375 #define AC97_HAS_NO_VIDEO       (1<<13) /* no Video volume */
    376 #define AC97_HAS_NO_CD          (1<<14) /* no CD volume */
    377 #define AC97_HAS_NO_MIC (1<<15) /* no MIC volume */
    378 #define AC97_HAS_NO_TONE        (1<<16) /* no Tone volume */
    379 #define AC97_HAS_NO_STD_PCM     (1<<17) /* no standard AC97 PCM volume and mute */
     368#define AC97_DOUBLE_RATE        (1<<5)  /* supports double rate playback */
     369#define AC97_HAS_NO_MASTER_VOL  (1<<6)  /* no Master volume */
     370#define AC97_HAS_NO_PCM_VOL     (1<<7)  /* no PCM volume */
     371#define AC97_DEFAULT_POWER_OFF  (1<<8)  /* no RESET write */
     372#define AC97_MODEM_PATCH        (1<<9)  /* modem patch */
     373#define AC97_HAS_NO_REC_GAIN    (1<<10) /* no Record gain */
     374#define AC97_HAS_NO_PHONE       (1<<11) /* no PHONE volume */
     375#define AC97_HAS_NO_PC_BEEP     (1<<12) /* no PC Beep volume */
     376#define AC97_HAS_NO_VIDEO       (1<<13) /* no Video volume */
     377#define AC97_HAS_NO_CD          (1<<14) /* no CD volume */
     378#define AC97_HAS_NO_MIC (1<<15) /* no MIC volume */
     379#define AC97_HAS_NO_TONE        (1<<16) /* no Tone volume */
     380#define AC97_HAS_NO_STD_PCM     (1<<17) /* no standard AC97 PCM volume and mute */
    380381
    381382/* rates indexes */
    … …  
    386387#define AC97_RATES_MIC_ADC      4
    387388#define AC97_RATES_SPDIF        5
    388 /* shared controllers */
    389 enum {
    390     AC97_SHARED_TYPE_NONE,
    391     AC97_SHARED_TYPE_ICH,
    392     AC97_SHARED_TYPE_ATIIXP,
    393     AC97_SHARED_TYPE_VIA,
    394     AC97_SHARED_TYPES
    395 };
    396389
    397390/*
    … …  
    399392 */
    400393
     394struct snd_ac97;
     395
     396struct snd_ac97_build_ops {
     397        int (*build_3d) (struct snd_ac97 *ac97);
     398        int (*build_specific) (struct snd_ac97 *ac97);
     399        int (*build_spdif) (struct snd_ac97 *ac97);
     400        int (*build_post_spdif) (struct snd_ac97 *ac97);
     401#ifdef CONFIG_PM
     402        void (*suspend) (struct snd_ac97 *ac97);
     403        void (*resume) (struct snd_ac97 *ac97);
     404#endif
     405        void (*update_jacks) (struct snd_ac97 *ac97);   /* for jack-sharing */
     406};
     407
     408struct snd_ac97_bus_ops {
     409        void (*reset) (struct snd_ac97 *ac97);
     410        void (*write) (struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
     411        unsigned short (*read) (struct snd_ac97 *ac97, unsigned short reg);
     412        void (*wait) (struct snd_ac97 *ac97);
     413        void (*init) (struct snd_ac97 *ac97);
     414};
     415
     416struct snd_ac97_bus {
     417        /* -- lowlevel (hardware) driver specific -- */
     418        struct snd_ac97_bus_ops *ops;
     419        void *private_data;
     420        void (*private_free) (struct snd_ac97_bus *bus);
     421        /* --- */
     422        struct snd_card *card;
     423        unsigned short num;     /* bus number */
     424        unsigned short no_vra: 1, /* bridge doesn't support VRA */
     425                       dra: 1,  /* bridge supports double rate */
     426                       isdin: 1;/* independent SDIN */
     427        unsigned int clock;     /* AC'97 base clock (usually 48000Hz) */
     428        spinlock_t bus_lock;    /* used mainly for slot allocation */
     429        unsigned short used_slots[2][4]; /* actually used PCM slots */
     430        unsigned short pcms_count; /* count of PCMs */
     431        struct ac97_pcm *pcms;
     432        struct snd_ac97 *codec[4];
     433        struct snd_info_entry *proc;
     434};
     435
     436struct snd_ac97_template {
     437        void *private_data;
     438        void (*private_free) (struct snd_ac97 *ac97);
     439        struct pci_dev *pci;    /* assigned PCI device - used for quirks */
     440        unsigned short num;     /* number of codec: 0 = primary, 1 = secondary */
     441        unsigned short addr;    /* physical address of codec [0-3] */
     442        unsigned int scaps;     /* driver capabilities */
     443        unsigned int limited_regs; /* allow limited registers only */
     444        DECLARE_BITMAP(reg_accessed, 0x80); /* bit flags */
     445};
     446
     447struct snd_ac97 {
     448        /* -- lowlevel (hardware) driver specific -- */
     449        struct snd_ac97_build_ops * build_ops;
     450        void *private_data;
     451        void (*private_free) (struct snd_ac97 *ac97);
     452        /* --- */
     453        struct snd_ac97_bus *bus;
     454        struct pci_dev *pci;    /* assigned PCI device - used for quirks */
     455        struct snd_info_entry *proc;
     456        struct snd_info_entry *proc_regs;
     457        unsigned short subsystem_vendor;
     458        unsigned short subsystem_device;
     459        struct semaphore reg_mutex;
     460        struct semaphore page_mutex;    /* mutex for AD18xx multi-codecs and paging (2.3) */
     461        unsigned short num;     /* number of codec: 0 = primary, 1 = secondary */
     462        unsigned short addr;    /* physical address of codec [0-3] */
     463        unsigned int id;        /* identification of codec */
     464        unsigned short caps;    /* capabilities (register 0) */
     465        unsigned short ext_id;  /* extended feature identification (register 28) */
     466        unsigned short ext_mid; /* extended modem ID (register 3C) */
     467        unsigned int scaps;     /* driver capabilities */
     468        unsigned int flags;     /* specific code */
     469        unsigned int rates[6];  /* see AC97_RATES_* defines */
     470        unsigned int spdif_status;
     471        unsigned short regs[0x80]; /* register cache */
     472        unsigned int limited_regs; /* allow limited registers only */
     473        DECLARE_BITMAP(reg_accessed, 0x80); /* bit flags */
     474        union {                 /* vendor specific code */
     475                struct {
     476                        unsigned short unchained[3];    // 0 = C34, 1 = C79, 2 = C69
     477                        unsigned short chained[3];      // 0 = C34, 1 = C79, 2 = C69
     478                        unsigned short id[3];           // codec IDs (lower 16-bit word)
     479                        unsigned short pcmreg[3];       // PCM registers
     480                        unsigned short codec_cfg[3];    // CODEC_CFG bits
     481                } ad18xx;
     482                unsigned int dev_flags;         /* device specific */
     483        } spec;
     484        /* jack-sharing info */
     485        unsigned char indep_surround;
     486        unsigned char channel_mode;
     487        struct device dev;
     488};
     489
     490#define to_ac97_t(d) container_of(d, struct snd_ac97, dev)
     491
     492/* conditions */
     493static inline int ac97_is_audio(struct snd_ac97 * ac97)
     494{
     495        return (ac97->scaps & AC97_SCAP_AUDIO);
     496}
     497static inline int ac97_is_modem(struct snd_ac97 * ac97)
     498{
     499        return (ac97->scaps & AC97_SCAP_MODEM);
     500}
     501static inline int ac97_is_rev22(struct snd_ac97 * ac97)
     502{
     503        return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22;
     504}
     505static inline int ac97_can_amap(struct snd_ac97 * ac97)
     506{
     507        return (ac97->ext_id & AC97_EI_AMAP) != 0;
     508}
     509static inline int ac97_can_spdif(struct snd_ac97 * ac97)
     510{
     511        return (ac97->ext_id & AC97_EI_SPDIF) != 0;
     512}
     513
     514/* functions */
     515/* create new AC97 bus */
     516int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
     517                 void *private_data, struct snd_ac97_bus **rbus);
     518/* create mixer controls */
     519int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template,
     520                   struct snd_ac97 **rac97);
     521const char *snd_ac97_get_short_name(struct snd_ac97 *ac97);
     522
     523void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
     524unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
     525void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
     526int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
     527int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value);
     528#ifdef CONFIG_PM
     529void snd_ac97_suspend(struct snd_ac97 *ac97);
     530void snd_ac97_resume(struct snd_ac97 *ac97);
     531#endif
     532
     533/* quirk types */
     534enum {
     535        AC97_TUNE_DEFAULT = -1, /* use default from quirk list (not valid in list) */
     536        AC97_TUNE_NONE = 0,     /* nothing extra to do */
     537        AC97_TUNE_HP_ONLY,      /* headphone (true line-out) control as master only */
     538        AC97_TUNE_SWAP_HP,      /* swap headphone and master controls */
     539        AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */
     540        AC97_TUNE_AD_SHARING,   /* for AD1985, turn on OMS bit and use headphone */
     541        AC97_TUNE_ALC_JACK,     /* for Realtek, enable JACK detection */
     542        AC97_TUNE_INV_EAPD,     /* inverted EAPD implementation */
     543        AC97_TUNE_MUTE_LED,     /* EAPD bit works as mute LED */
     544        AC97_TUNE_HP_MUTE_LED,  /* EAPD bit works as mute LED, use headphone control as master */
     545};
     546
     547struct ac97_quirk {
     548        unsigned short subvendor; /* PCI subsystem vendor id */
     549        unsigned short subdevice; /* PCI sybsystem device id */
     550        unsigned short mask;    /* device id bit mask, 0 = accept all */
     551        unsigned int codec_id;  /* codec id (if any), 0 = accept all */
     552        const char *name;       /* name shown as info */
     553        int type;               /* quirk type above */
     554};
     555
     556int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override);
     557int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate);
     558
     559/*
     560 * PCM allocation
     561 */
     562
    401563enum ac97_pcm_cfg {
    402     AC97_PCM_CFG_FRONT = 2,
    403     AC97_PCM_CFG_REAR = 10,             /* alias surround */
    404     AC97_PCM_CFG_LFE = 11,              /* center + lfe */
    405     AC97_PCM_CFG_40 = 4,                /* front + rear */
    406     AC97_PCM_CFG_51 = 6,                /* front + rear + center/lfe */
    407     AC97_PCM_CFG_SPDIF = 20
    408 };
    409 
    410 /* PCM allocation */
     564        AC97_PCM_CFG_FRONT = 2,
     565        AC97_PCM_CFG_REAR = 10,         /* alias surround */
     566        AC97_PCM_CFG_LFE = 11,          /* center + lfe */
     567        AC97_PCM_CFG_40 = 4,            /* front + rear */
     568        AC97_PCM_CFG_51 = 6,            /* front + rear + center/lfe */
     569        AC97_PCM_CFG_SPDIF = 20
     570};
     571
    411572struct ac97_pcm {
    412     ac97_bus_t *bus;
     573    struct snd_ac97_bus *bus;
    413574#if 0
    414     unsigned int stream: 1,                /* stream type: 1 = capture */
    415     exclusive: 1,          /* exclusive mode, don't override with other pcms */
    416     copy_flag: 1,          /* lowlevel driver must fill all entries */
     575        unsigned int stream: 1,            /* stream type: 1 = capture */
     576                     exclusive: 1,         /* exclusive mode, don't override with other pcms */
     577                     copy_flag: 1,         /* lowlevel driver must fill all entries */
    417578    spdif: 1;              /* spdif pcm */
    418579#else
    … …  
    422583    unsigned int spdif;            /* spdif pcm */
    423584#endif
    424     unsigned short aslots;                 /* active slots */
    425     unsigned int rates;            /* available rates */
    426     struct {
    427         unsigned short slots;      /* driver input: requested AC97 slot numbers */
    428         unsigned short rslots[4];  /* allocated slots per codecs */
    429         unsigned char rate_table[4];
    430         ac97_t *codec[4];          /* allocated codecs */
    431     } r[2];                                /* 0 = standard rates, 1 = double rates */
    432     unsigned long private_value;           /* used by the hardware driver */
    433 };
    434 
    435 struct snd_ac97_build_ops {
    436     int (*build_3d) (ac97_t *ac97);
    437     int (*build_specific) (ac97_t *ac97);
    438     int (*build_spdif) (ac97_t *ac97);
    439     int (*build_post_spdif) (ac97_t *ac97);
    440     void (*suspend) (ac97_t *ac97);
    441     void (*resume) (ac97_t *ac97);
    442     void (*update_jacks) (ac97_t *ac97);    /* for jack-sharing */
    443 };
    444 
    445 struct snd_ac97_bus_ops {
    446     void (*reset) (ac97_t *ac97);
    447     void (*write) (ac97_t *ac97, unsigned short reg, unsigned short val);
    448     unsigned short (*read) (ac97_t *ac97, unsigned short reg);
    449     void (*wait) (ac97_t *ac97);
    450     void (*init) (ac97_t *ac97);
    451 };
    452 
    453 struct snd_ac97_bus {
    454     /* -- lowlevel (hardware) driver specific -- */
    455     ac97_bus_ops_t *ops;
    456     void *private_data;
    457     void (*private_free) (ac97_bus_t *bus);
    458     /* --- */
    459     snd_card_t *card;
    460     unsigned short num; /* bus number */
    461     unsigned short no_vra: 1, /* bridge doesn't support VRA */
    462     dra: 1,  /* bridge supports double rate */
    463     isdin: 1;/* independent SDIN */
    464     unsigned int clock; /* AC'97 base clock (usually 48000Hz) */
    465     spinlock_t bus_lock;        /* used mainly for slot allocation */
    466     unsigned short used_slots[2][4]; /* actually used PCM slots */
    467     unsigned short pcms_count; /* count of PCMs */
    468     struct ac97_pcm *pcms;
    469     unsigned int shared_type;       /* type of shared controller betwen audio and modem */
    470     ac97_t *codec[4];
    471     snd_info_entry_t *proc;
    472 };
    473 
    474 struct snd_ac97_template {
    475     void *private_data;
    476     void (*private_free) (ac97_t *ac97);
    477     struct pci_dev *pci;    /* assigned PCI device - used for quirks */
    478     unsigned short num;     /* number of codec: 0 = primary, 1 = secondary */
    479     unsigned short addr;    /* physical address of codec [0-3] */
    480     unsigned int scaps;     /* driver capabilities */
    481     unsigned int limited_regs; /* allow limited registers only */
    482     bitmap_member(reg_accessed,0x80); /* bit flags */
    483 };
    484 
    485 struct snd_ac97 {
    486     /* -- lowlevel (hardware) driver specific -- */
    487     struct snd_ac97_build_ops * build_ops;
    488     void *private_data;
    489     void (*private_free) (ac97_t *ac97);
    490     /* --- */
    491     ac97_bus_t *bus;
    492     struct pci_dev *pci;        /* assigned PCI device - used for quirks */
    493     snd_info_entry_t *proc;
    494     snd_info_entry_t *proc_regs;
    495     unsigned short subsystem_vendor;
    496     unsigned short subsystem_device;
    497     struct semaphore reg_mutex;
    498     struct semaphore page_mutex;    /* mutex for AD18xx multi-codecs and paging (2.3) */
    499     unsigned short num; /* number of codec: 0 = primary, 1 = secondary */
    500     unsigned short addr;        /* physical address of codec [0-3] */
    501     unsigned int id;    /* identification of codec */
    502     unsigned short caps;        /* capabilities (register 0) */
    503     unsigned short ext_id;      /* extended feature identification (register 28) */
    504     unsigned short ext_mid;     /* extended modem ID (register 3C) */
    505     unsigned int scaps; /* driver capabilities */
    506     unsigned int flags; /* specific code */
    507     unsigned int rates[6];      /* see AC97_RATES_* defines */
    508     unsigned int spdif_status;
    509     unsigned short regs[0x80]; /* register cache */
    510     unsigned int limited_regs; /* allow limited registers only */
    511     bitmap_member(reg_accessed,0x80); /* bit flags */
    512     union {                     /* vendor specific code */
    513         struct {
    514             unsigned short unchained[3];        // 0 = C34, 1 = C79, 2 = C69
    515             unsigned short chained[3];  // 0 = C34, 1 = C79, 2 = C69
    516             unsigned short id[3];               // codec IDs (lower 16-bit word)
    517             unsigned short pcmreg[3];   // PCM registers
    518             unsigned short codec_cfg[3];        // CODEC_CFG bits
    519         } ad18xx;
    520         unsigned int dev_flags;         /* device specific */
    521     } spec;
    522     /* jack-sharing info */
    523     unsigned char indep_surround;
    524     unsigned char channel_mode;
    525     struct device dev;
    526 };
    527 
    528 #define to_ac97_t(d) container_of(d, struct _snd_ac97, dev)
    529 
    530 /* conditions */
    531 static inline int ac97_is_audio(ac97_t * ac97)
    532 {
    533     return (ac97->scaps & AC97_SCAP_AUDIO);
    534 }
    535 static inline int ac97_is_modem(ac97_t * ac97)
    536 {
    537     return (ac97->scaps & AC97_SCAP_MODEM);
    538 }
    539 static inline int ac97_is_rev22(ac97_t * ac97)
    540 {
    541     return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22;
    542 }
    543 static inline int ac97_can_amap(ac97_t * ac97)
    544 {
    545     return (ac97->ext_id & AC97_EI_AMAP) != 0;
    546 }
    547 
    548 static inline int ac97_can_spdif(ac97_t * ac97)
    549 {
    550     return (ac97->ext_id & AC97_EI_SPDIF) != 0;
    551 }
    552 
    553 /* functions */
    554 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops, void *private_data, ac97_bus_t **rbus); /* create new AC97 bus */
    555 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97); /* create mixer controls */
    556 const char *snd_ac97_get_short_name(ac97_t *ac97);
    557 
    558 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value);
    559 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg);
    560 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value);
    561 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value);
    562 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value);
    563 #ifdef CONFIG_PM
    564 void snd_ac97_suspend(ac97_t *ac97);
    565 void snd_ac97_resume(ac97_t *ac97);
    566 #endif
    567 
    568 /* quirk types */
    569 enum {
    570     AC97_TUNE_DEFAULT = -1, /* use default from quirk list (not valid in list) */
    571     AC97_TUNE_NONE = 0,     /* nothing extra to do */
    572     AC97_TUNE_HP_ONLY,  /* headphone (true line-out) control as master only */
    573     AC97_TUNE_SWAP_HP,  /* swap headphone and master controls */
    574     AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */
    575     AC97_TUNE_AD_SHARING,   /* for AD1985, turn on OMS bit and use headphone */
    576     AC97_TUNE_ALC_JACK,     /* for Realtek, enable JACK detection */
    577     AC97_TUNE_INV_EAPD,     /* inverted EAPD implementation */
    578     AC97_TUNE_MUTE_LED,     /* EAPD bit works as mute LED */
    579     AC97_TUNE_HP_MUTE_LED,  /* EAPD bit works as mute LED, use headphone control as master */
    580 };
    581 
    582 
    583 struct ac97_quirk {
    584         unsigned short subvendor; /* PCI subsystem vendor id */
    585         unsigned short subdevice; /* PCI sybsystem device id */
    586         unsigned short mask;    /* device id bit mask, 0 = accept all */
    587         unsigned int codec_id;  /* codec id (if any), 0 = accept all */
    588         const char *name;       /* name shown as info */
    589         int type;               /* quirk type above */
    590 };
    591 
    592 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override);
    593 int snd_ac97_set_rate(ac97_t *ac97, int reg, unsigned int rate);
    594 
    595 int snd_ac97_pcm_assign(ac97_bus_t *ac97,
    596                         unsigned short pcms_count,
    597                         const struct ac97_pcm *pcms);
     585        unsigned short aslots;             /* active slots */
     586        unsigned int rates;                /* available rates */
     587        struct {
     588                unsigned short slots;      /* driver input: requested AC97 slot numbers */
     589                unsigned short rslots[4];  /* allocated slots per codecs */
     590                unsigned char rate_table[4];
     591                struct snd_ac97 *codec[4];         /* allocated codecs */
     592        } r[2];                            /* 0 = standard rates, 1 = double rates */
     593        unsigned long private_value;       /* used by the hardware driver */
     594};
     595
     596int snd_ac97_pcm_assign(struct snd_ac97_bus *ac97,
     597                        unsigned short pcms_count,
     598                        const struct ac97_pcm *pcms);
    598599int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate,
    599                       enum ac97_pcm_cfg cfg, unsigned short slots);
     600                      enum ac97_pcm_cfg cfg, unsigned short slots);
    600601int snd_ac97_pcm_close(struct ac97_pcm *pcm);
    601 int snd_ac97_pcm_double_rate_rules(snd_pcm_runtime_t *runtime);
    602 
    603 struct ac97_enum {
    604     unsigned char reg;
    605     unsigned char shift_l;
    606     unsigned char shift_r;
    607     unsigned short mask;
    608     const char **texts;
    609 };
     602int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime);
    610603
    611604/* ad hoc AC97 device driver access */

  • GPL/trunk/alsa-kernel/include/sound/driver.h

    r63 r71  
    737737typedef u32 /*__bitwise*/ pm_message_t;
    738738
     739#ifndef __devexit_p
     740#define __devexit_p(x) x
     741#endif
     742
     743typedef unsigned gfp_t;
     744
     745char *kstrdup(const char *s, gfp_t gfp_flags);
     746
    739747#endif                          /* __DRIVER_H */
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