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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _AC97_CODEC_H_ |
| 2 | #define _AC97_CODEC_H_ |
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| 3 | |||
| 4 | #include <linux/types.h> |
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| 5 | #include <linux/soundcard.h> |
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| 6 | |||
| 7 | /* AC97 1.0 */ |
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| 8 | #define AC97_RESET 0x0000 // |
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| 9 | #define AC97_MASTER_VOL_STEREO 0x0002 // Line Out |
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| 10 | #define AC97_HEADPHONE_VOL 0x0004 // |
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| 11 | #define AC97_MASTER_VOL_MONO 0x0006 // TAD Output |
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| 12 | #define AC97_MASTER_TONE 0x0008 // |
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| 13 | #define AC97_PCBEEP_VOL 0x000a // none |
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| 14 | #define AC97_PHONE_VOL 0x000c // TAD Input (mono) |
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| 15 | #define AC97_MIC_VOL 0x000e // MIC Input (mono) |
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| 16 | #define AC97_LINEIN_VOL 0x0010 // Line Input (stereo) |
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| 17 | #define AC97_CD_VOL 0x0012 // CD Input (stereo) |
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| 18 | #define AC97_VIDEO_VOL 0x0014 // none |
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| 19 | #define AC97_AUX_VOL 0x0016 // Aux Input (stereo) |
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| 20 | #define AC97_PCMOUT_VOL 0x0018 // Wave Output (stereo) |
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| 21 | #define AC97_RECORD_SELECT 0x001a // |
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| 22 | #define AC97_RECORD_GAIN 0x001c |
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| 23 | #define AC97_RECORD_GAIN_MIC 0x001e |
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| 24 | #define AC97_GENERAL_PURPOSE 0x0020 |
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| 25 | #define AC97_3D_CONTROL 0x0022 |
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| 26 | #define AC97_MODEM_RATE 0x0024 |
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| 27 | #define AC97_POWER_CONTROL 0x0026 |
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| 28 | |||
| 29 | /* AC'97 2.0 */ |
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| 30 | #define AC97_EXTENDED_ID 0x0028 /* Extended Audio ID */ |
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| 31 | #define AC97_EXTENDED_STATUS 0x002A /* Extended Audio Status */ |
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| 32 | #define AC97_PCM_FRONT_DAC_RATE 0x002C /* PCM Front DAC Rate */ |
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| 33 | #define AC97_PCM_SURR_DAC_RATE 0x002E /* PCM Surround DAC Rate */ |
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| 34 | #define AC97_PCM_LFE_DAC_RATE 0x0030 /* PCM LFE DAC Rate */ |
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| 35 | #define AC97_PCM_LR_ADC_RATE 0x0032 /* PCM LR ADC Rate */ |
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| 36 | #define AC97_PCM_MIC_ADC_RATE 0x0034 /* PCM MIC ADC Rate */ |
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| 37 | #define AC97_CENTER_LFE_MASTER 0x0036 /* Center + LFE Master Volume */ |
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| 38 | #define AC97_SURROUND_MASTER 0x0038 /* Surround (Rear) Master Volume */ |
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| 39 | #define AC97_RESERVED_3A 0x003A /* Reserved in AC '97 < 2.2 */ |
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| 40 | |||
| 41 | /* AC'97 2.2 */ |
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| 42 | #define AC97_SPDIF_CONTROL 0x003A /* S/PDIF Control */ |
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| 43 | |||
| 44 | /* range 0x3c-0x58 - MODEM */ |
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| 45 | #define AC97_EXTENDED_MODEM_ID 0x003C |
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| 46 | #define AC97_EXTEND_MODEM_STAT 0x003E |
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| 47 | #define AC97_LINE1_RATE 0x0040 |
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| 48 | #define AC97_LINE2_RATE 0x0042 |
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| 49 | #define AC97_HANDSET_RATE 0x0044 |
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| 50 | #define AC97_LINE1_LEVEL 0x0046 |
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| 51 | #define AC97_LINE2_LEVEL 0x0048 |
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| 52 | #define AC97_HANDSET_LEVEL 0x004A |
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| 53 | #define AC97_GPIO_CONFIG 0x004C |
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| 54 | #define AC97_GPIO_POLARITY 0x004E |
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| 55 | #define AC97_GPIO_STICKY 0x0050 |
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| 56 | #define AC97_GPIO_WAKE_UP 0x0052 |
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| 57 | #define AC97_GPIO_STATUS 0x0054 |
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| 58 | #define AC97_MISC_MODEM_STAT 0x0056 |
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| 59 | #define AC97_RESERVED_58 0x0058 |
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| 60 | |||
| 61 | /* registers 0x005a - 0x007a are vendor reserved */ |
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| 62 | |||
| 63 | #define AC97_VENDOR_ID1 0x007c |
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| 64 | #define AC97_VENDOR_ID2 0x007e |
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| 65 | |||
| 66 | /* volume control bit defines */ |
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| 67 | #define AC97_MUTE 0x8000 |
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| 68 | #define AC97_MICBOOST 0x0040 |
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| 69 | #define AC97_LEFTVOL 0x3f00 |
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| 70 | #define AC97_RIGHTVOL 0x003f |
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| 71 | |||
| 72 | /* record mux defines */ |
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| 73 | #define AC97_RECMUX_MIC 0x0000 |
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| 74 | #define AC97_RECMUX_CD 0x0101 |
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| 75 | #define AC97_RECMUX_VIDEO 0x0202 |
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| 76 | #define AC97_RECMUX_AUX 0x0303 |
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| 77 | #define AC97_RECMUX_LINE 0x0404 |
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| 78 | #define AC97_RECMUX_STEREO_MIX 0x0505 |
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| 79 | #define AC97_RECMUX_MONO_MIX 0x0606 |
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| 80 | #define AC97_RECMUX_PHONE 0x0707 |
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| 81 | |||
| 82 | /* general purpose register bit defines */ |
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| 83 | #define AC97_GP_LPBK 0x0080 /* Loopback mode */ |
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| 84 | #define AC97_GP_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 */ |
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| 85 | #define AC97_GP_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic */ |
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| 86 | #define AC97_GP_RLBK 0x0400 /* Remote Loopback - Modem line codec */ |
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| 87 | #define AC97_GP_LLBK 0x0800 /* Local Loopback - Modem Line codec */ |
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| 88 | #define AC97_GP_LD 0x1000 /* Loudness 1=on */ |
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| 89 | #define AC97_GP_3D 0x2000 /* 3D Enhancement 1=on */ |
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| 90 | #define AC97_GP_ST 0x4000 /* Stereo Enhancement 1=on */ |
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| 91 | #define AC97_GP_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */ |
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| 92 | |||
| 93 | /* extended audio status and control bit defines */ |
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| 94 | #define AC97_EA_VRA 0x0001 /* Variable bit rate enable bit */ |
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| 95 | #define AC97_EA_DRA 0x0002 /* Double-rate audio enable bit */ |
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| 96 | #define AC97_EA_SPDIF 0x0004 /* S/PDIF Enable bit */ |
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| 97 | #define AC97_EA_VRM 0x0008 /* Variable bit rate for MIC enable bit */ |
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| 98 | #define AC97_EA_CDAC 0x0040 /* PCM Center DAC is ready (Read only) */ |
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| 99 | #define AC97_EA_SDAC 0x0040 /* PCM Surround DACs are ready (Read only) */ |
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| 100 | #define AC97_EA_LDAC 0x0080 /* PCM LFE DAC is ready (Read only) */ |
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| 101 | #define AC97_EA_MDAC 0x0100 /* MIC ADC is ready (Read only) */ |
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| 102 | #define AC97_EA_SPCV 0x0400 /* S/PDIF configuration valid (Read only) */ |
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| 103 | #define AC97_EA_PRI 0x0800 /* Turns the PCM Center DAC off */ |
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| 104 | #define AC97_EA_PRJ 0x1000 /* Turns the PCM Surround DACs off */ |
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| 105 | #define AC97_EA_PRK 0x2000 /* Turns the PCM LFE DAC off */ |
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| 106 | #define AC97_EA_PRL 0x4000 /* Turns the MIC ADC off */ |
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| 107 | #define AC97_EA_SLOT_MASK 0xffcf /* Mask for slot assignment bits */ |
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| 108 | #define AC97_EA_SPSA_3_4 0x0000 /* Slot assigned to 3 & 4 */ |
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| 109 | #define AC97_EA_SPSA_7_8 0x0010 /* Slot assigned to 7 & 8 */ |
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| 110 | #define AC97_EA_SPSA_6_9 0x0020 /* Slot assigned to 6 & 9 */ |
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| 111 | #define AC97_EA_SPSA_10_11 0x0030 /* Slot assigned to 10 & 11 */ |
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| 112 | |||
| 113 | /* S/PDIF control bit defines */ |
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| 114 | #define AC97_SC_PRO 0x0001 /* Professional status */ |
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| 115 | #define AC97_SC_NAUDIO 0x0002 /* Non audio stream */ |
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| 116 | #define AC97_SC_COPY 0x0004 /* Copyright status */ |
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| 117 | #define AC97_SC_PRE 0x0008 /* Preemphasis status */ |
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| 118 | #define AC97_SC_CC_MASK 0x07f0 /* Category Code mask */ |
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| 119 | #define AC97_SC_L 0x0800 /* Generation Level status */ |
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| 120 | #define AC97_SC_SPSR_MASK 0xcfff /* S/PDIF Sample Rate bits */ |
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| 121 | #define AC97_SC_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ |
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| 122 | #define AC97_SC_SPSR_48K 0x2000 /* Use 48kHz Sample rate */ |
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| 123 | #define AC97_SC_SPSR_32K 0x3000 /* Use 32kHz Sample rate */ |
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| 124 | #define AC97_SC_DRS 0x4000 /* Double Rate S/PDIF */ |
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| 125 | #define AC97_SC_V 0x8000 /* Validity status */ |
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| 126 | |||
| 127 | /* powerdown control and status bit defines */ |
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| 128 | |||
| 129 | /* status */ |
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| 130 | #define AC97_PWR_MDM 0x0010 /* Modem section ready */ |
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| 131 | #define AC97_PWR_REF 0x0008 /* Vref nominal */ |
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| 132 | #define AC97_PWR_ANL 0x0004 /* Analog section ready */ |
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| 133 | #define AC97_PWR_DAC 0x0002 /* DAC section ready */ |
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| 134 | #define AC97_PWR_ADC 0x0001 /* ADC section ready */ |
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| 135 | |||
| 136 | /* control */ |
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| 137 | #define AC97_PWR_PR0 0x0100 /* ADC and Mux powerdown */ |
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| 138 | #define AC97_PWR_PR1 0x0200 /* DAC powerdown */ |
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| 139 | #define AC97_PWR_PR2 0x0400 /* Output mixer powerdown (Vref on) */ |
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| 140 | #define AC97_PWR_PR3 0x0800 /* Output mixer powerdown (Vref off) */ |
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| 141 | #define AC97_PWR_PR4 0x1000 /* AC-link powerdown */ |
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| 142 | #define AC97_PWR_PR5 0x2000 /* Internal Clk disable */ |
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| 143 | #define AC97_PWR_PR6 0x4000 /* HP amp powerdown */ |
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| 144 | #define AC97_PWR_PR7 0x8000 /* Modem off - if supported */ |
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| 145 | |||
| 146 | /* extended audio ID register bit defines */ |
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| 147 | #define AC97_EXTID_VRA 0x0001 |
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| 148 | #define AC97_EXTID_DRA 0x0002 |
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| 149 | #define AC97_EXTID_SPDIF 0x0004 |
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| 150 | #define AC97_EXTID_VRM 0x0008 |
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| 151 | #define AC97_EXTID_DSA0 0x0010 |
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| 152 | #define AC97_EXTID_DSA1 0x0020 |
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| 153 | #define AC97_EXTID_CDAC 0x0040 |
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| 154 | #define AC97_EXTID_SDAC 0x0080 |
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| 155 | #define AC97_EXTID_LDAC 0x0100 |
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| 156 | #define AC97_EXTID_AMAP 0x0200 |
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| 157 | #define AC97_EXTID_REV0 0x0400 |
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| 158 | #define AC97_EXTID_REV1 0x0800 |
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| 159 | #define AC97_EXTID_ID0 0x4000 |
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| 160 | #define AC97_EXTID_ID1 0x8000 |
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| 161 | |||
| 162 | /* extended status register bit defines */ |
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| 163 | #define AC97_EXTSTAT_VRA 0x0001 |
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| 164 | #define AC97_EXTSTAT_DRA 0x0002 |
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| 165 | #define AC97_EXTSTAT_SPDIF 0x0004 |
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| 166 | #define AC97_EXTSTAT_VRM 0x0008 |
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| 167 | #define AC97_EXTSTAT_SPSA0 0x0010 |
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| 168 | #define AC97_EXTSTAT_SPSA1 0x0020 |
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| 169 | #define AC97_EXTSTAT_CDAC 0x0040 |
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| 170 | #define AC97_EXTSTAT_SDAC 0x0080 |
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| 171 | #define AC97_EXTSTAT_LDAC 0x0100 |
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| 172 | #define AC97_EXTSTAT_MADC 0x0200 |
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| 173 | #define AC97_EXTSTAT_SPCV 0x0400 |
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| 174 | #define AC97_EXTSTAT_PRI 0x0800 |
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| 175 | #define AC97_EXTSTAT_PRJ 0x1000 |
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| 176 | #define AC97_EXTSTAT_PRK 0x2000 |
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| 177 | #define AC97_EXTSTAT_PRL 0x4000 |
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| 178 | |||
| 179 | /* useful power states */ |
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| 180 | #define AC97_PWR_D0 0x0000 /* everything on */ |
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| 181 | #define AC97_PWR_D1 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR4 |
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| 182 | #define AC97_PWR_D2 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4 |
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| 183 | #define AC97_PWR_D3 AC97_PWR_PR0|AC97_PWR_PR1|AC97_PWR_PR2|AC97_PWR_PR3|AC97_PWR_PR4 |
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| 184 | #define AC97_PWR_ANLOFF AC97_PWR_PR2|AC97_PWR_PR3 /* analog section off */ |
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| 185 | |||
| 186 | /* Total number of defined registers. */ |
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| 187 | #define AC97_REG_CNT 64 |
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| 188 | |||
| 189 | |||
| 190 | /* OSS interface to the ac97s.. */ |
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| 191 | #define AC97_STEREO_MASK (SOUND_MASK_VOLUME|SOUND_MASK_PCM|\ |
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| 192 | SOUND_MASK_LINE|SOUND_MASK_CD|\ |
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| 193 | SOUND_MASK_ALTPCM|SOUND_MASK_IGAIN|\ |
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| 194 | SOUND_MASK_LINE1|SOUND_MASK_VIDEO) |
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| 195 | |||
| 196 | #define AC97_SUPPORTED_MASK (AC97_STEREO_MASK | \ |
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| 197 | SOUND_MASK_BASS|SOUND_MASK_TREBLE|\ |
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| 198 | SOUND_MASK_SPEAKER|SOUND_MASK_MIC|\ |
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| 199 | SOUND_MASK_PHONEIN|SOUND_MASK_PHONEOUT) |
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| 200 | |||
| 201 | #define AC97_RECORD_MASK (SOUND_MASK_MIC|\ |
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| 202 | SOUND_MASK_CD|SOUND_MASK_IGAIN|SOUND_MASK_VIDEO|\ |
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| 203 | SOUND_MASK_LINE1| SOUND_MASK_LINE|\ |
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| 204 | SOUND_MASK_PHONEIN) |
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| 205 | |||
| 206 | /* original check is not good enough in case FOO is greater than |
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| 207 | * SOUND_MIXER_NRDEVICES because the supported_mixers has exactly |
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| 208 | * SOUND_MIXER_NRDEVICES elements. |
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| 209 | * before matching the given mixer against the bitmask in supported_mixers we |
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| 210 | * check if mixer number exceeds maximum allowed size which is as mentioned |
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| 211 | * above SOUND_MIXER_NRDEVICES */ |
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| 212 | #define supported_mixer(CODEC,FOO) ((FOO >= 0) && \ |
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| 213 | (FOO < SOUND_MIXER_NRDEVICES) && \ |
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| 214 | (CODEC)->supported_mixers & (1<<FOO) ) |
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| 215 | |||
| 216 | struct ac97_codec { |
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| 217 | /* Linked list of codecs */ |
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| 218 | struct list_head list; |
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| 219 | |||
| 220 | /* AC97 controller connected with */ |
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| 221 | void *private_data; |
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| 222 | |||
| 223 | char *name; |
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| 224 | int id; |
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| 225 | int dev_mixer; |
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| 226 | int type; |
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| 227 | u32 model; |
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| 228 | |||
| 229 | int modem:1; |
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| 230 | |||
| 231 | struct ac97_ops *codec_ops; |
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| 232 | |||
| 233 | /* controller specific lower leverl ac97 accessing routines. |
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| 234 | must be re-entrant safe */ |
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| 235 | u16 (*codec_read) (struct ac97_codec *codec, u8 reg); |
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| 236 | void (*codec_write) (struct ac97_codec *codec, u8 reg, u16 val); |
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| 237 | |||
| 238 | /* Wait for codec-ready. Ok to sleep here. */ |
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| 239 | void (*codec_wait) (struct ac97_codec *codec); |
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| 240 | |||
| 241 | /* callback used by helper drivers for interesting ac97 setups */ |
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| 242 | void (*codec_unregister) (struct ac97_codec *codec); |
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| 243 | |||
| 244 | struct ac97_driver *driver; |
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| 245 | void *driver_private; /* Private data for the driver */ |
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| 246 | |||
| 247 | spinlock_t lock; |
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| 248 | |||
| 249 | /* OSS mixer masks */ |
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| 250 | int modcnt; |
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| 251 | int supported_mixers; |
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| 252 | int stereo_mixers; |
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| 253 | int record_sources; |
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| 254 | |||
| 255 | /* Property flags */ |
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| 256 | int flags; |
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| 257 | |||
| 258 | int bit_resolution; |
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| 259 | |||
| 260 | /* OSS mixer interface */ |
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| 261 | int (*read_mixer) (struct ac97_codec *codec, int oss_channel); |
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| 262 | void (*write_mixer)(struct ac97_codec *codec, int oss_channel, |
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| 263 | unsigned int left, unsigned int right); |
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| 264 | int (*recmask_io) (struct ac97_codec *codec, int rw, int mask); |
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| 265 | int (*mixer_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); |
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| 266 | |||
| 267 | /* saved OSS mixer states */ |
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| 268 | unsigned int mixer_state[SOUND_MIXER_NRDEVICES]; |
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| 269 | |||
| 270 | /* Software Modem interface */ |
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| 271 | int (*modem_ioctl)(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); |
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| 272 | }; |
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| 273 | |||
| 274 | /* |
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| 275 | * Operation structures for each known AC97 chip |
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| 276 | */ |
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| 277 | |||
| 278 | struct ac97_ops |
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| 279 | { |
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| 280 | /* Initialise */ |
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| 281 | int (*init)(struct ac97_codec *c); |
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| 282 | /* Amplifier control */ |
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| 283 | int (*amplifier)(struct ac97_codec *codec, int on); |
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| 284 | /* Digital mode control */ |
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| 285 | int (*digital)(struct ac97_codec *codec, int slots, int rate, int mode); |
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| 286 | #define AUDIO_DIGITAL 0x8000 |
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| 287 | #define AUDIO_PRO 0x4000 |
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| 288 | #define AUDIO_DRS 0x2000 |
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| 289 | #define AUDIO_CCMASK 0x003F |
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| 290 | |||
| 291 | #define AC97_DELUDED_MODEM 1 /* Audio codec reports its a modem */ |
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| 292 | #define AC97_NO_PCM_VOLUME 2 /* Volume control is missing */ |
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| 293 | }; |
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| 294 | |||
| 295 | extern int ac97_read_proc (char *page_out, char **start, off_t off, |
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| 296 | int count, int *eof, void *data); |
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| 297 | extern int ac97_probe_codec(struct ac97_codec *); |
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| 298 | extern unsigned int ac97_set_adc_rate(struct ac97_codec *codec, unsigned int rate); |
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| 299 | extern unsigned int ac97_set_dac_rate(struct ac97_codec *codec, unsigned int rate); |
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| 300 | extern int ac97_save_state(struct ac97_codec *codec); |
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| 301 | extern int ac97_restore_state(struct ac97_codec *codec); |
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| 302 | |||
| 303 | extern struct ac97_codec *ac97_alloc_codec(void); |
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| 304 | extern void ac97_release_codec(struct ac97_codec *codec); |
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| 305 | |||
| 306 | struct ac97_driver { |
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| 307 | struct list_head list; |
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| 308 | char *name; |
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| 309 | u32 codec_id; |
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| 310 | u32 codec_mask; |
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| 311 | int (*probe) (struct ac97_codec *codec, struct ac97_driver *driver); |
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| 312 | void (*remove) (struct ac97_codec *codec, struct ac97_driver *driver); |
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| 313 | }; |
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| 314 | |||
| 315 | extern int ac97_register_driver(struct ac97_driver *driver); |
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| 316 | extern void ac97_unregister_driver(struct ac97_driver *driver); |
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| 317 | |||
| 318 | #endif /* _AC97_CODEC_H_ */ |