drivers/audio/es1371/AC97.h

   1 #ifndef AC97_H
   2 #define AC97_H
   3
   4
   5 #include "es1371.h"
   6 #include "wait.h"
   7 #include "pci_helper.h"
   8 #include "sample_rate_converter.h"
   9
  10
  11 /*
  12   This function initializes the AC97 to a default mode.
  13 */
  14 int AC97_init( DEV_STRUCT * pCC );
  15
  16 int AC97_get_set_volume(struct volume_level *level, int flag);
  17
  18
  19
  20 /* This is a main memory cache copy of the codec's ac97 configuration
  21    registers. See Intel's Audio Codec 97 standard (rev2.3) for info. */
  22
  23 typedef struct ac97_struct {
  24   u16_t Reset;                    /* 0x00 */
  25   u16_t MasterVolume;             /* 0x02 */
  26   u16_t AUXOutVolume;             /* 0x04 */
  27   u16_t MonoVolume;               /* 0x06 */
  28   u16_t MasterTone;               /* 0x08 */
  29   u16_t PCBeepVolume;             /* 0x0A */
  30   u16_t PhoneVolume;              /* 0x0C */
  31   u16_t MicVolume;                /* 0x0E */
  32   u16_t LineInVolume;             /* 0x10 */
  33   u16_t CDVolume;                 /* 0x12 */
  34   u16_t VideoVolume;              /* 0x14 */
  35   u16_t AUXInVolume;              /* 0x16 */
  36   u16_t PCMOutVolume;             /* 0x18 */
  37   u16_t RecordSelect;             /* 0x1A */
  38   u16_t RecordGain;               /* 0x1C */
  39   u16_t RecordGainMic;            /* 0x1E */
  40   u16_t GeneralPurpose;           /* 0x20 */
  41   u16_t Control3D;                /* 0x22 */
  42   u16_t AudioIntAndPaging;        /* 0x24 */
  43   u16_t PowerdownControlAndStat;  /* 0x26 */
  44   u16_t ExtendedAudio1;           /* 0x28 */
  45   u16_t ExtendedAudio2;           /* 0x2A */
  46                                   /* ...  */
  47   u16_t VendorID1;                /* 0x7C */
  48   u16_t VendorID2;                /* 0x7E */
  49 } ac97_t;
  50
  51
  52
  53 /* Source and output volume control register defines */
  54 #define AC97_MASTER_VOLUME        0x02U   /* Master out */
  55 #define AC97_AUX_OUT_VOLUME       0x04U   /* Auxiliary out volume */
  56 #define AC97_MONO_VOLUME          0x06U   /* Mono out volume */
  57 #define AC97_MASTER_TONE          0x08U   /* high byte= bass, low byte= treble*/
  58 #define AC97_PC_BEEP_VOLUME       0x0aU   /* PC speaker volume */
  59 #define AC97_PHONE_VOLUME         0x0cU   /* Phone volume */
  60 #define AC97_MIC_VOLUME           0x0eU   /* Mic, mono */
  61 #define AC97_LINE_IN_VOLUME       0x10U   /* Line volume */
  62 #define AC97_CD_VOLUME            0x12U   /* CD audio volume */
  63 #define AC97_VIDEO_VOLUME         0x14U   /* Video (TV) volume */
  64 #define AC97_AUX_IN_VOLUME        0x16U   /* Aux line source, left */
  65 #define AC97_PCM_OUT_VOLUME       0x18U   /* The DACs - wav+synth */
  66 #define AC97_RECORD_GAIN_VOLUME   0x1cU   /* Record input level */
  67 #define AC97_RECORD_GAIN_MIC_VOL  0x1eU   /* Record input level */
  68
  69 /* Other AC97 control register defines */
  70 #define AC97_RESET                     0x00U   /* any write here to reset AC97 */
  71 #define AC97_GENERAL_PURPOSE           0x20U   /*  */
  72 #define AC97_POWERDOWN_CONTROL_STAT    0x26U   /*  */
  73 #define AC97_RECORD_SELECT             0x1aU   /* record mux select */
  74 #define AC97_VENDOR_ID1                0x7cU   /* 1st two Vendor ID bytes */
  75 #define AC97_VENDOR_ID2                0x7eU   /* last Vendor ID byte plus rev.
  76                                                                                                   number */
  77
  78 /* Record Select defines */
  79 #define AC97_RECORD_MIC         0
  80 #define AC97_RECORD_CD          1
  81 #define AC97_RECORD_VIDEO       2
  82 #define AC97_RECORD_AUX         3
  83 #define AC97_RECORD_LINE        4
  84 #define AC97_RECORD_STEREO_MIX  5
  85 #define AC97_RECORD_MONO_MIX    6
  86 #define AC97_RECORD_PHONE       7
  87
  88 #define MASTER_VOL_MASK     0x1F
  89 #define DAC_VOL_MASK        0x1F
  90 #define AUX_IN_VOL_MASK     0x1F
  91 #define MUTE_MASK           0x8000
  92
  93
  94
  95
  96
  97
  98 #endif /* AC97_H */