1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Universal interface for Audio Codec '97 4 * 5 * For more details look to AC '97 component specification revision 2.1 6 * by Intel Corporation (http://developer.intel.com). 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 /* 26 * AC'97 codec registers 27 */ 28 29 #define AC97_RESET 0x00 /* Reset */ 30 #define AC97_MASTER 0x02 /* Master Volume */ 31 #define AC97_HEADPHONE 0x04 /* Headphone Volume (optional) */ 32 #define AC97_MASTER_MONO 0x06 /* Master Volume Mono (optional) */ 33 #define AC97_MASTER_TONE 0x08 /* Master Tone (Bass & Treble) (optional) */ 34 #define AC97_PC_BEEP 0x0a /* PC Beep Volume (optinal) */ 35 #define AC97_PHONE 0x0c /* Phone Volume (optional) */ 36 #define AC97_MIC 0x0e /* MIC Volume */ 37 #define AC97_LINE 0x10 /* Line In Volume */ 38 #define AC97_CD 0x12 /* CD Volume */ 39 #define AC97_VIDEO 0x14 /* Video Volume (optional) */ 40 #define AC97_AUX 0x16 /* AUX Volume (optional) */ 41 #define AC97_PCM 0x18 /* PCM Volume */ 42 #define AC97_REC_SEL 0x1a /* Record Select */ 43 #define AC97_REC_GAIN 0x1c /* Record Gain */ 44 #define AC97_REC_GAIN_MIC 0x1e /* Record Gain MIC (optional) */ 45 #define AC97_GENERAL_PURPOSE 0x20 /* General Purpose (optional) */ 46 #define AC97_3D_CONTROL 0x22 /* 3D Control (optional) */ 47 #define AC97_INT_PAGING 0x24 /* Audio Interrupt & Paging (AC'97 2.3) */ 48 #define AC97_POWERDOWN 0x26 /* Powerdown control / status */ 49 /* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */ 50 #define AC97_EXTENDED_ID 0x28 /* Extended Audio ID */ 51 #define AC97_EXTENDED_STATUS 0x2a /* Extended Audio Status and Control */ 52 #define AC97_PCM_FRONT_DAC_RATE 0x2c /* PCM Front DAC Rate */ 53 #define AC97_PCM_SURR_DAC_RATE 0x2e /* PCM Surround DAC Rate */ 54 #define AC97_PCM_LFE_DAC_RATE 0x30 /* PCM LFE DAC Rate */ 55 #define AC97_PCM_LR_ADC_RATE 0x32 /* PCM LR ADC Rate */ 56 #define AC97_PCM_MIC_ADC_RATE 0x34 /* PCM MIC ADC Rate */ 57 #define AC97_CENTER_LFE_MASTER 0x36 /* Center + LFE Master Volume */ 58 #define AC97_SURROUND_MASTER 0x38 /* Surround (Rear) Master Volume */ 59 #define AC97_SPDIF 0x3a /* S/PDIF control */ 60 /* range 0x3c-0x58 - MODEM */ 61 #define AC97_EXTENDED_MID 0x3c /* Extended Modem ID */ 62 #define AC97_EXTENDED_MSTATUS 0x3e /* Extended Modem Status and Control */ 63 #define AC97_LINE1_RATE 0x40 /* Line1 DAC/ADC Rate */ 64 #define AC97_LINE2_RATE 0x42 /* Line2 DAC/ADC Rate */ 65 #define AC97_HANDSET_RATE 0x44 /* Handset DAC/ADC Rate */ 66 #define AC97_LINE1_LEVEL 0x46 /* Line1 DAC/ADC Level */ 67 #define AC97_LINE2_LEVEL 0x48 /* Line2 DAC/ADC Level */ 68 #define AC97_HANDSET_LEVEL 0x4a /* Handset DAC/ADC Level */ 69 #define AC97_GPIO_CFG 0x4c /* GPIO Configuration */ 70 #define AC97_GPIO_POLARITY 0x4e /* GPIO Pin Polarity/Type, 0=low, 1=high active */ 71 #define AC97_GPIO_STICKY 0x50 /* GPIO Pin Sticky, 0=not, 1=sticky */ 72 #define AC97_GPIO_WAKEUP 0x52 /* GPIO Pin Wakeup, 0=no int, 1=yes int */ 73 #define AC97_GPIO_STATUS 0x54 /* GPIO Pin Status, slot 12 */ 74 #define AC97_MISC_AFE 0x56 /* Miscellaneous Modem AFE Status and Control */ 75 /* range 0x5a-0x7b - Vendor Specific */ 76 #define AC97_VENDOR_ID1 0x7c /* Vendor ID1 */ 77 #define AC97_VENDOR_ID2 0x7e /* Vendor ID2 / revision */ 78 /* range 0x60-0x6f (page 1) - extended codec registers */ 79 #define AC97_CODEC_CLASS_REV 0x60 /* Codec Class/Revision */ 80 #define AC97_PCI_SVID 0x62 /* PCI Subsystem Vendor ID */ 81 #define AC97_PCI_SID 0x64 /* PCI Subsystem ID */ 82 #define AC97_FUNC_SELECT 0x66 /* Function Select */ 83 #define AC97_FUNC_INFO 0x68 /* Function Information */ 84 #define AC97_SENSE_INFO 0x6a /* Sense Details */ 85 86 /* volume controls */ 87 #define AC97_MUTE_MASK_MONO 0x8000 88 #define AC97_MUTE_MASK_STEREO 0x8080 89 90 /* slot allocation */ 91 #define AC97_SLOT_TAG 0 92 #define AC97_SLOT_CMD_ADDR 1 93 #define AC97_SLOT_CMD_DATA 2 94 #define AC97_SLOT_PCM_LEFT 3 95 #define AC97_SLOT_PCM_RIGHT 4 96 #define AC97_SLOT_MODEM_LINE1 5 97 #define AC97_SLOT_PCM_CENTER 6 98 #define AC97_SLOT_MIC 6 /* input */ 99 #define AC97_SLOT_SPDIF_LEFT1 6 100 #define AC97_SLOT_PCM_SLEFT 7 /* surround left */ 101 #define AC97_SLOT_PCM_LEFT_0 7 /* double rate operation */ 102 #define AC97_SLOT_SPDIF_LEFT 7 103 #define AC97_SLOT_PCM_SRIGHT 8 /* surround right */ 104 #define AC97_SLOT_PCM_RIGHT_0 8 /* double rate operation */ 105 #define AC97_SLOT_SPDIF_RIGHT 8 106 #define AC97_SLOT_LFE 9 107 #define AC97_SLOT_SPDIF_RIGHT1 9 108 #define AC97_SLOT_MODEM_LINE2 10 109 #define AC97_SLOT_PCM_LEFT_1 10 /* double rate operation */ 110 #define AC97_SLOT_SPDIF_LEFT2 10 111 #define AC97_SLOT_HANDSET 11 /* output */ 112 #define AC97_SLOT_PCM_RIGHT_1 11 /* double rate operation */ 113 #define AC97_SLOT_SPDIF_RIGHT2 11 114 #define AC97_SLOT_MODEM_GPIO 12 /* modem GPIO */ 115 #define AC97_SLOT_PCM_CENTER_1 12 /* double rate operation */ 116 117 /* basic capabilities (reset register) */ 118 #define AC97_BC_DEDICATED_MIC 0x0001 /* Dedicated Mic PCM In Channel */ 119 #define AC97_BC_RESERVED1 0x0002 /* Reserved (was Modem Line Codec support) */ 120 #define AC97_BC_BASS_TREBLE 0x0004 /* Bass & Treble Control */ 121 #define AC97_BC_SIM_STEREO 0x0008 /* Simulated stereo */ 122 #define AC97_BC_HEADPHONE 0x0010 /* Headphone Out Support */ 123 #define AC97_BC_LOUDNESS 0x0020 /* Loudness (bass boost) Support */ 124 #define AC97_BC_16BIT_DAC 0x0000 /* 16-bit DAC resolution */ 125 #define AC97_BC_18BIT_DAC 0x0040 /* 18-bit DAC resolution */ 126 #define AC97_BC_20BIT_DAC 0x0080 /* 20-bit DAC resolution */ 127 #define AC97_BC_DAC_MASK 0x00c0 128 #define AC97_BC_16BIT_ADC 0x0000 /* 16-bit ADC resolution */ 129 #define AC97_BC_18BIT_ADC 0x0100 /* 18-bit ADC resolution */ 130 #define AC97_BC_20BIT_ADC 0x0200 /* 20-bit ADC resolution */ 131 #define AC97_BC_ADC_MASK 0x0300 132 #define AC97_BC_3D_TECH_ID_MASK 0x7c00 /* Per-vendor ID of 3D enhancement */ 133 134 /* general purpose */ 135 #define AC97_GP_DRSS_MASK 0x0c00 /* double rate slot select */ 136 #define AC97_GP_DRSS_1011 0x0000 /* LR(C) 10+11(+12) */ 137 #define AC97_GP_DRSS_78 0x0400 /* LR 7+8 */ 138 139 /* powerdown bits */ 140 #define AC97_PD_ADC_STATUS 0x0001 /* ADC status (RO) */ 141 #define AC97_PD_DAC_STATUS 0x0002 /* DAC status (RO) */ 142 #define AC97_PD_MIXER_STATUS 0x0004 /* Analog mixer status (RO) */ 143 #define AC97_PD_VREF_STATUS 0x0008 /* Vref status (RO) */ 144 #define AC97_PD_PR0 0x0100 /* Power down PCM ADCs and input MUX */ 145 #define AC97_PD_PR1 0x0200 /* Power down PCM front DAC */ 146 #define AC97_PD_PR2 0x0400 /* Power down Mixer (Vref still on) */ 147 #define AC97_PD_PR3 0x0800 /* Power down Mixer (Vref off) */ 148 #define AC97_PD_PR4 0x1000 /* Power down AC-Link */ 149 #define AC97_PD_PR5 0x2000 /* Disable internal clock usage */ 150 #define AC97_PD_PR6 0x4000 /* Headphone amplifier */ 151 #define AC97_PD_EAPD 0x8000 /* External Amplifer Power Down (EAPD) */ 152 153 /* extended audio ID bit defines */ 154 #define AC97_EI_VRA 0x0001 /* Variable bit rate supported */ 155 #define AC97_EI_DRA 0x0002 /* Double rate supported */ 156 #define AC97_EI_SPDIF 0x0004 /* S/PDIF out supported */ 157 #define AC97_EI_VRM 0x0008 /* Variable bit rate supported for MIC */ 158 #define AC97_EI_DACS_SLOT_MASK 0x0030 /* DACs slot assignment */ 159 #define AC97_EI_DACS_SLOT_SHIFT 4 160 #define AC97_EI_CDAC 0x0040 /* PCM Center DAC available */ 161 #define AC97_EI_SDAC 0x0080 /* PCM Surround DACs available */ 162 #define AC97_EI_LDAC 0x0100 /* PCM LFE DAC available */ 163 #define AC97_EI_AMAP 0x0200 /* indicates optional slot/DAC mapping based on codec ID */ 164 #define AC97_EI_REV_MASK 0x0c00 /* AC'97 revision mask */ 165 #define AC97_EI_REV_22 0x0400 /* AC'97 revision 2.2 */ 166 #define AC97_EI_REV_23 0x0800 /* AC'97 revision 2.3 */ 167 #define AC97_EI_REV_SHIFT 10 168 #define AC97_EI_ADDR_MASK 0xc000 /* physical codec ID (address) */ 169 #define AC97_EI_ADDR_SHIFT 14 170 171 /* extended audio status and control bit defines */ 172 #define AC97_EA_VRA 0x0001 /* Variable bit rate enable bit */ 173 #define AC97_EA_DRA 0x0002 /* Double-rate audio enable bit */ 174 #define AC97_EA_SPDIF 0x0004 /* S/PDIF out enable bit */ 175 #define AC97_EA_VRM 0x0008 /* Variable bit rate for MIC enable bit */ 176 #define AC97_EA_SPSA_SLOT_MASK 0x0030 /* Mask for slot assignment bits */ 177 #define AC97_EA_SPSA_SLOT_SHIFT 4 178 #define AC97_EA_SPSA_3_4 0x0000 /* Slot assigned to 3 & 4 */ 179 #define AC97_EA_SPSA_7_8 0x0010 /* Slot assigned to 7 & 8 */ 180 #define AC97_EA_SPSA_6_9 0x0020 /* Slot assigned to 6 & 9 */ 181 #define AC97_EA_SPSA_10_11 0x0030 /* Slot assigned to 10 & 11 */ 182 #define AC97_EA_CDAC 0x0040 /* PCM Center DAC is ready (Read only) */ 183 #define AC97_EA_SDAC 0x0080 /* PCM Surround DACs are ready (Read only) */ 184 #define AC97_EA_LDAC 0x0100 /* PCM LFE DAC is ready (Read only) */ 185 #define AC97_EA_MDAC 0x0200 /* MIC ADC is ready (Read only) */ 186 #define AC97_EA_SPCV 0x0400 /* S/PDIF configuration valid (Read only) */ 187 #define AC97_EA_PRI 0x0800 /* Turns the PCM Center DAC off */ 188 #define AC97_EA_PRJ 0x1000 /* Turns the PCM Surround DACs off */ 189 #define AC97_EA_PRK 0x2000 /* Turns the PCM LFE DAC off */ 190 #define AC97_EA_PRL 0x4000 /* Turns the MIC ADC off */ 191 192 /* S/PDIF control bit defines */ 193 #define AC97_SC_PRO 0x0001 /* Professional status */ 194 #define AC97_SC_NAUDIO 0x0002 /* Non audio stream */ 195 #define AC97_SC_COPY 0x0004 /* Copyright status */ 196 #define AC97_SC_PRE 0x0008 /* Preemphasis status */ 197 #define AC97_SC_CC_MASK 0x07f0 /* Category Code mask */ 198 #define AC97_SC_CC_SHIFT 4 199 #define AC97_SC_L 0x0800 /* Generation Level status */ 200 #define AC97_SC_SPSR_MASK 0x3000 /* S/PDIF Sample Rate bits */ 201 #define AC97_SC_SPSR_SHIFT 12 202 #define AC97_SC_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ 203 #define AC97_SC_SPSR_48K 0x2000 /* Use 48kHz Sample rate */ 204 #define AC97_SC_SPSR_32K 0x3000 /* Use 32kHz Sample rate */ 205 #define AC97_SC_DRS 0x4000 /* Double Rate S/PDIF */ 206 #define AC97_SC_V 0x8000 /* Validity status */ 207 208 /* Interrupt and Paging bit defines (AC'97 2.3) */ 209 #define AC97_PAGE_MASK 0x000f /* Page Selector */ 210 #define AC97_PAGE_VENDOR 0 /* Vendor-specific registers */ 211 #define AC97_PAGE_1 1 /* Extended Codec Registers page 1 */ 212 #define AC97_INT_ENABLE 0x0800 /* Interrupt Enable */ 213 #define AC97_INT_SENSE 0x1000 /* Sense Cycle */ 214 #define AC97_INT_CAUSE_SENSE 0x2000 /* Sense Cycle Completed (RO) */ 215 #define AC97_INT_CAUSE_GPIO 0x4000 /* GPIO bits changed (RO) */ 216 #define AC97_INT_STATUS 0x8000 /* Interrupt Status */ 217 218 /* extended modem ID bit defines */ 219 #define AC97_MEI_LINE1 0x0001 /* Line1 present */ 220 #define AC97_MEI_LINE2 0x0002 /* Line2 present */ 221 #define AC97_MEI_HANDSET 0x0004 /* Handset present */ 222 #define AC97_MEI_CID1 0x0008 /* caller ID decode for Line1 is supported */ 223 #define AC97_MEI_CID2 0x0010 /* caller ID decode for Line2 is supported */ 224 #define AC97_MEI_ADDR_MASK 0xc000 /* physical codec ID (address) */ 225 #define AC97_MEI_ADDR_SHIFT 14 226 227 /* extended modem status and control bit defines */ 228 #define AC97_MEA_GPIO 0x0001 /* GPIO is ready (ro) */ 229 #define AC97_MEA_MREF 0x0002 /* Vref is up to nominal level (ro) */ 230 #define AC97_MEA_ADC1 0x0004 /* ADC1 operational (ro) */ 231 #define AC97_MEA_DAC1 0x0008 /* DAC1 operational (ro) */ 232 #define AC97_MEA_ADC2 0x0010 /* ADC2 operational (ro) */ 233 #define AC97_MEA_DAC2 0x0020 /* DAC2 operational (ro) */ 234 #define AC97_MEA_HADC 0x0040 /* HADC operational (ro) */ 235 #define AC97_MEA_HDAC 0x0080 /* HDAC operational (ro) */ 236 #define AC97_MEA_PRA 0x0100 /* GPIO power down (high) */ 237 #define AC97_MEA_PRB 0x0200 /* reserved */ 238 #define AC97_MEA_PRC 0x0400 /* ADC1 power down (high) */ 239 #define AC97_MEA_PRD 0x0800 /* DAC1 power down (high) */ 240 #define AC97_MEA_PRE 0x1000 /* ADC2 power down (high) */ 241 #define AC97_MEA_PRF 0x2000 /* DAC2 power down (high) */ 242 #define AC97_MEA_PRG 0x4000 /* HADC power down (high) */ 243 #define AC97_MEA_PRH 0x8000 /* HDAC power down (high) */ 244 245 /* modem gpio status defines */ 246 #define AC97_GPIO_LINE1_OH 0x0001 /* Off Hook Line1 */ 247 #define AC97_GPIO_LINE1_RI 0x0002 /* Ring Detect Line1 */ 248 #define AC97_GPIO_LINE1_CID 0x0004 /* Caller ID path enable Line1 */ 249 #define AC97_GPIO_LINE1_LCS 0x0008 /* Loop Current Sense Line1 */ 250 #define AC97_GPIO_LINE1_PULSE 0x0010 /* Opt./ Pulse Dial Line1 (out) */ 251 #define AC97_GPIO_LINE1_HL1R 0x0020 /* Opt./ Handset to Line1 relay control (out) */ 252 #define AC97_GPIO_LINE1_HOHD 0x0040 /* Opt./ Handset off hook detect Line1 (in) */ 253 #define AC97_GPIO_LINE12_AC 0x0080 /* Opt./ Int.bit 1 / Line1/2 AC (out) */ 254 #define AC97_GPIO_LINE12_DC 0x0100 /* Opt./ Int.bit 2 / Line1/2 DC (out) */ 255 #define AC97_GPIO_LINE12_RS 0x0200 /* Opt./ Int.bit 3 / Line1/2 RS (out) */ 256 #define AC97_GPIO_LINE2_OH 0x0400 /* Off Hook Line2 */ 257 #define AC97_GPIO_LINE2_RI 0x0800 /* Ring Detect Line2 */ 258 #define AC97_GPIO_LINE2_CID 0x1000 /* Caller ID path enable Line2 */ 259 #define AC97_GPIO_LINE2_LCS 0x2000 /* Loop Current Sense Line2 */ 260 #define AC97_GPIO_LINE2_PULSE 0x4000 /* Opt./ Pulse Dial Line2 (out) */ 261 #define AC97_GPIO_LINE2_HL1R 0x8000 /* Opt./ Handset to Line2 relay control (out) */ 262 263