1 #ifndef __SOUND_AC97_CODEC_H 2 #define __SOUND_AC97_CODEC_H 3 4 /* 5 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 6 * Universal interface for Audio Codec '97 7 * 8 * For more details look to AC '97 component specification revision 2.1 9 * by Intel Corporation (http://developer.intel.com). 10 * 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 * 26 */ 27 28 #include <linux/bitops.h> 29 #include <linux/device.h> 30 #include "pcm.h" 31 #include "control.h" 32 #include "info.h" 33 34 /* 35 * AC'97 codec registers 36 */ 37 38 #define AC97_RESET 0x00 /* Reset */ 39 #define AC97_MASTER 0x02 /* Master Volume */ 40 #define AC97_HEADPHONE 0x04 /* Headphone Volume (optional) */ 41 #define AC97_MASTER_MONO 0x06 /* Master Volume Mono (optional) */ 42 #define AC97_MASTER_TONE 0x08 /* Master Tone (Bass & Treble) (optional) */ 43 #define AC97_PC_BEEP 0x0a /* PC Beep Volume (optinal) */ 44 #define AC97_PHONE 0x0c /* Phone Volume (optional) */ 45 #define AC97_MIC 0x0e /* MIC Volume */ 46 #define AC97_LINE 0x10 /* Line In Volume */ 47 #define AC97_CD 0x12 /* CD Volume */ 48 #define AC97_VIDEO 0x14 /* Video Volume (optional) */ 49 #define AC97_AUX 0x16 /* AUX Volume (optional) */ 50 #define AC97_PCM 0x18 /* PCM Volume */ 51 #define AC97_REC_SEL 0x1a /* Record Select */ 52 #define AC97_REC_GAIN 0x1c /* Record Gain */ 53 #define AC97_REC_GAIN_MIC 0x1e /* Record Gain MIC (optional) */ 54 #define AC97_GENERAL_PURPOSE 0x20 /* General Purpose (optional) */ 55 #define AC97_3D_CONTROL 0x22 /* 3D Control (optional) */ 56 #define AC97_INT_PAGING 0x24 /* Audio Interrupt & Paging (AC'97 2.3) */ 57 #define AC97_POWERDOWN 0x26 /* Powerdown control / status */ 58 /* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */ 59 #define AC97_EXTENDED_ID 0x28 /* Extended Audio ID */ 60 #define AC97_EXTENDED_STATUS 0x2a /* Extended Audio Status and Control */ 61 #define AC97_PCM_FRONT_DAC_RATE 0x2c /* PCM Front DAC Rate */ 62 #define AC97_PCM_SURR_DAC_RATE 0x2e /* PCM Surround DAC Rate */ 63 #define AC97_PCM_LFE_DAC_RATE 0x30 /* PCM LFE DAC Rate */ 64 #define AC97_PCM_LR_ADC_RATE 0x32 /* PCM LR ADC Rate */ 65 #define AC97_PCM_MIC_ADC_RATE 0x34 /* PCM MIC ADC Rate */ 66 #define AC97_CENTER_LFE_MASTER 0x36 /* Center + LFE Master Volume */ 67 #define AC97_SURROUND_MASTER 0x38 /* Surround (Rear) Master Volume */ 68 #define AC97_SPDIF 0x3a /* S/PDIF control */ 69 /* range 0x3c-0x58 - MODEM */ 70 #define AC97_EXTENDED_MID 0x3c /* Extended Modem ID */ 71 #define AC97_EXTENDED_MSTATUS 0x3e /* Extended Modem Status and Control */ 72 #define AC97_LINE1_RATE 0x40 /* Line1 DAC/ADC Rate */ 73 #define AC97_LINE2_RATE 0x42 /* Line2 DAC/ADC Rate */ 74 #define AC97_HANDSET_RATE 0x44 /* Handset DAC/ADC Rate */ 75 #define AC97_LINE1_LEVEL 0x46 /* Line1 DAC/ADC Level */ 76 #define AC97_LINE2_LEVEL 0x48 /* Line2 DAC/ADC Level */ 77 #define AC97_HANDSET_LEVEL 0x4a /* Handset DAC/ADC Level */ 78 #define AC97_GPIO_CFG 0x4c /* GPIO Configuration */ 79 #define AC97_GPIO_POLARITY 0x4e /* GPIO Pin Polarity/Type, 0=low, 1=high active */ 80 #define AC97_GPIO_STICKY 0x50 /* GPIO Pin Sticky, 0=not, 1=sticky */ 81 #define AC97_GPIO_WAKEUP 0x52 /* GPIO Pin Wakeup, 0=no int, 1=yes int */ 82 #define AC97_GPIO_STATUS 0x54 /* GPIO Pin Status, slot 12 */ 83 #define AC97_MISC_AFE 0x56 /* Miscellaneous Modem AFE Status and Control */ 84 /* range 0x5a-0x7b - Vendor Specific */ 85 #define AC97_VENDOR_ID1 0x7c /* Vendor ID1 */ 86 #define AC97_VENDOR_ID2 0x7e /* Vendor ID2 / revision */ 87 /* range 0x60-0x6f (page 1) - extended codec registers */ 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 */ 94 95 /* slot allocation */ 96 #define AC97_SLOT_TAG 0 97 #define AC97_SLOT_CMD_ADDR 1 98 #define AC97_SLOT_CMD_DATA 2 99 #define AC97_SLOT_PCM_LEFT 3 100 #define AC97_SLOT_PCM_RIGHT 4 101 #define AC97_SLOT_MODEM_LINE1 5 102 #define AC97_SLOT_PCM_CENTER 6 103 #define AC97_SLOT_MIC 6 /* input */ 104 #define AC97_SLOT_SPDIF_LEFT1 6 105 #define AC97_SLOT_PCM_SLEFT 7 /* surround left */ 106 #define AC97_SLOT_PCM_LEFT_0 7 /* double rate operation */ 107 #define AC97_SLOT_SPDIF_LEFT 7 108 #define AC97_SLOT_PCM_SRIGHT 8 /* surround right */ 109 #define AC97_SLOT_PCM_RIGHT_0 8 /* double rate operation */ 110 #define AC97_SLOT_SPDIF_RIGHT 8 111 #define AC97_SLOT_LFE 9 112 #define AC97_SLOT_SPDIF_RIGHT1 9 113 #define AC97_SLOT_MODEM_LINE2 10 114 #define AC97_SLOT_PCM_LEFT_1 10 /* double rate operation */ 115 #define AC97_SLOT_SPDIF_LEFT2 10 116 #define AC97_SLOT_HANDSET 11 /* output */ 117 #define AC97_SLOT_PCM_RIGHT_1 11 /* double rate operation */ 118 #define AC97_SLOT_SPDIF_RIGHT2 11 119 #define AC97_SLOT_MODEM_GPIO 12 /* modem GPIO */ 120 #define AC97_SLOT_PCM_CENTER_1 12 /* double rate operation */ 121 122 /* basic capabilities (reset register) */ 123 #define AC97_BC_DEDICATED_MIC 0x0001 /* Dedicated Mic PCM In Channel */ 124 #define AC97_BC_RESERVED1 0x0002 /* Reserved (was Modem Line Codec support) */ 125 #define AC97_BC_BASS_TREBLE 0x0004 /* Bass & Treble Control */ 126 #define AC97_BC_SIM_STEREO 0x0008 /* Simulated stereo */ 127 #define AC97_BC_HEADPHONE 0x0010 /* Headphone Out Support */ 128 #define AC97_BC_LOUDNESS 0x0020 /* Loudness (bass boost) Support */ 129 #define AC97_BC_16BIT_DAC 0x0000 /* 16-bit DAC resolution */ 130 #define AC97_BC_18BIT_DAC 0x0040 /* 18-bit DAC resolution */ 131 #define AC97_BC_20BIT_DAC 0x0080 /* 20-bit DAC resolution */ 132 #define AC97_BC_DAC_MASK 0x00c0 133 #define AC97_BC_16BIT_ADC 0x0000 /* 16-bit ADC resolution */ 134 #define AC97_BC_18BIT_ADC 0x0100 /* 18-bit ADC resolution */ 135 #define AC97_BC_20BIT_ADC 0x0200 /* 20-bit ADC resolution */ 136 #define AC97_BC_ADC_MASK 0x0300 137 138 /* general purpose */ 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 */ 142 143 /* extended audio ID bit defines */ 144 #define AC97_EI_VRA 0x0001 /* Variable bit rate supported */ 145 #define AC97_EI_DRA 0x0002 /* Double rate supported */ 146 #define AC97_EI_SPDIF 0x0004 /* S/PDIF out supported */ 147 #define AC97_EI_VRM 0x0008 /* Variable bit rate supported for MIC */ 148 #define AC97_EI_DACS_SLOT_MASK 0x0030 /* DACs slot assignment */ 149 #define AC97_EI_DACS_SLOT_SHIFT 4 150 #define AC97_EI_CDAC 0x0040 /* PCM Center DAC available */ 151 #define AC97_EI_SDAC 0x0080 /* PCM Surround DACs available */ 152 #define AC97_EI_LDAC 0x0100 /* PCM LFE DAC available */ 153 #define AC97_EI_AMAP 0x0200 /* indicates optional slot/DAC mapping based on codec ID */ 154 #define AC97_EI_REV_MASK 0x0c00 /* AC'97 revision mask */ 155 #define AC97_EI_REV_22 0x0400 /* AC'97 revision 2.2 */ 156 #define AC97_EI_REV_23 0x0800 /* AC'97 revision 2.3 */ 157 #define AC97_EI_REV_SHIFT 10 158 #define AC97_EI_ADDR_MASK 0xc000 /* physical codec ID (address) */ 159 #define AC97_EI_ADDR_SHIFT 14 160 161 /* extended audio status and control bit defines */ 162 #define AC97_EA_VRA 0x0001 /* Variable bit rate enable bit */ 163 #define AC97_EA_DRA 0x0002 /* Double-rate audio enable bit */ 164 #define AC97_EA_SPDIF 0x0004 /* S/PDIF out enable bit */ 165 #define AC97_EA_VRM 0x0008 /* Variable bit rate for MIC enable bit */ 166 #define AC97_EA_SPSA_SLOT_MASK 0x0030 /* Mask for slot assignment bits */ 167 #define AC97_EA_SPSA_SLOT_SHIFT 4 168 #define AC97_EA_SPSA_3_4 0x0000 /* Slot assigned to 3 & 4 */ 169 #define AC97_EA_SPSA_7_8 0x0010 /* Slot assigned to 7 & 8 */ 170 #define AC97_EA_SPSA_6_9 0x0020 /* Slot assigned to 6 & 9 */ 171 #define AC97_EA_SPSA_10_11 0x0030 /* Slot assigned to 10 & 11 */ 172 #define AC97_EA_CDAC 0x0040 /* PCM Center DAC is ready (Read only) */ 173 #define AC97_EA_SDAC 0x0080 /* PCM Surround DACs are ready (Read only) */ 174 #define AC97_EA_LDAC 0x0100 /* PCM LFE DAC is ready (Read only) */ 175 #define AC97_EA_MDAC 0x0200 /* MIC ADC is ready (Read only) */ 176 #define AC97_EA_SPCV 0x0400 /* S/PDIF configuration valid (Read only) */ 177 #define AC97_EA_PRI 0x0800 /* Turns the PCM Center DAC off */ 178 #define AC97_EA_PRJ 0x1000 /* Turns the PCM Surround DACs off */ 179 #define AC97_EA_PRK 0x2000 /* Turns the PCM LFE DAC off */ 180 #define AC97_EA_PRL 0x4000 /* Turns the MIC ADC off */ 181 182 /* S/PDIF control bit defines */ 183 #define AC97_SC_PRO 0x0001 /* Professional status */ 184 #define AC97_SC_NAUDIO 0x0002 /* Non audio stream */ 185 #define AC97_SC_COPY 0x0004 /* Copyright status */ 186 #define AC97_SC_PRE 0x0008 /* Preemphasis status */ 187 #define AC97_SC_CC_MASK 0x07f0 /* Category Code mask */ 188 #define AC97_SC_CC_SHIFT 4 189 #define AC97_SC_L 0x0800 /* Generation Level status */ 190 #define AC97_SC_SPSR_MASK 0x3000 /* S/PDIF Sample Rate bits */ 191 #define AC97_SC_SPSR_SHIFT 12 192 #define AC97_SC_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ 193 #define AC97_SC_SPSR_48K 0x2000 /* Use 48kHz Sample rate */ 194 #define AC97_SC_SPSR_32K 0x3000 /* Use 32kHz Sample rate */ 195 #define AC97_SC_DRS 0x4000 /* Double Rate S/PDIF */ 196 #define AC97_SC_V 0x8000 /* Validity status */ 197 198 /* Interrupt and Paging bit defines (AC'97 2.3) */ 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 */ 207 208 /* extended modem ID bit defines */ 209 #define AC97_MEI_LINE1 0x0001 /* Line1 present */ 210 #define AC97_MEI_LINE2 0x0002 /* Line2 present */ 211 #define AC97_MEI_HANDSET 0x0004 /* Handset present */ 212 #define AC97_MEI_CID1 0x0008 /* caller ID decode for Line1 is supported */ 213 #define AC97_MEI_CID2 0x0010 /* caller ID decode for Line2 is supported */ 214 #define AC97_MEI_ADDR_MASK 0xc000 /* physical codec ID (address) */ 215 #define AC97_MEI_ADDR_SHIFT 14 216 217 /* extended modem status and control bit defines */ 218 #define AC97_MEA_GPIO 0x0001 /* GPIO is ready (ro) */ 219 #define AC97_MEA_MREF 0x0002 /* Vref is up to nominal level (ro) */ 220 #define AC97_MEA_ADC1 0x0004 /* ADC1 operational (ro) */ 221 #define AC97_MEA_DAC1 0x0008 /* DAC1 operational (ro) */ 222 #define AC97_MEA_ADC2 0x0010 /* ADC2 operational (ro) */ 223 #define AC97_MEA_DAC2 0x0020 /* DAC2 operational (ro) */ 224 #define AC97_MEA_HADC 0x0040 /* HADC operational (ro) */ 225 #define AC97_MEA_HDAC 0x0080 /* HDAC operational (ro) */ 226 #define AC97_MEA_PRA 0x0100 /* GPIO power down (high) */ 227 #define AC97_MEA_PRB 0x0200 /* reserved */ 228 #define AC97_MEA_PRC 0x0400 /* ADC1 power down (high) */ 229 #define AC97_MEA_PRD 0x0800 /* DAC1 power down (high) */ 230 #define AC97_MEA_PRE 0x1000 /* ADC2 power down (high) */ 231 #define AC97_MEA_PRF 0x2000 /* DAC2 power down (high) */ 232 #define AC97_MEA_PRG 0x4000 /* HADC power down (high) */ 233 #define AC97_MEA_PRH 0x8000 /* HDAC power down (high) */ 234 235 /* modem gpio status defines */ 236 #define AC97_GPIO_LINE1_OH 0x0001 /* Off Hook Line1 */ 237 #define AC97_GPIO_LINE1_RI 0x0002 /* Ring Detect Line1 */ 238 #define AC97_GPIO_LINE1_CID 0x0004 /* Caller ID path enable Line1 */ 239 #define AC97_GPIO_LINE1_LCS 0x0008 /* Loop Current Sense Line1 */ 240 #define AC97_GPIO_LINE1_PULSE 0x0010 /* Opt./ Pulse Dial Line1 (out) */ 241 #define AC97_GPIO_LINE1_HL1R 0x0020 /* Opt./ Handset to Line1 relay control (out) */ 242 #define AC97_GPIO_LINE1_HOHD 0x0040 /* Opt./ Handset off hook detect Line1 (in) */ 243 #define AC97_GPIO_LINE12_AC 0x0080 /* Opt./ Int.bit 1 / Line1/2 AC (out) */ 244 #define AC97_GPIO_LINE12_DC 0x0100 /* Opt./ Int.bit 2 / Line1/2 DC (out) */ 245 #define AC97_GPIO_LINE12_RS 0x0200 /* Opt./ Int.bit 3 / Line1/2 RS (out) */ 246 #define AC97_GPIO_LINE2_OH 0x0400 /* Off Hook Line2 */ 247 #define AC97_GPIO_LINE2_RI 0x0800 /* Ring Detect Line2 */ 248 #define AC97_GPIO_LINE2_CID 0x1000 /* Caller ID path enable Line2 */ 249 #define AC97_GPIO_LINE2_LCS 0x2000 /* Loop Current Sense Line2 */ 250 #define AC97_GPIO_LINE2_PULSE 0x4000 /* Opt./ Pulse Dial Line2 (out) */ 251 #define AC97_GPIO_LINE2_HL1R 0x8000 /* Opt./ Handset to Line2 relay control (out) */ 252 253 /* specific - SigmaTel */ 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 */ 257 #define AC97_SIGMATEL_ANALOG 0x6c /* Analog Special */ 258 #define AC97_SIGMATEL_DAC2INVERT 0x6e 259 #define AC97_SIGMATEL_BIAS1 0x70 260 #define AC97_SIGMATEL_BIAS2 0x72 261 #define AC97_SIGMATEL_VARIOUS 0x72 /* STAC9758 */ 262 #define AC97_SIGMATEL_MULTICHN 0x74 /* Multi-Channel programming */ 263 #define AC97_SIGMATEL_CIC1 0x76 264 #define AC97_SIGMATEL_CIC2 0x78 265 266 /* specific - Analog Devices */ 267 #define AC97_AD_TEST 0x5a /* test register */ 268 #define AC97_AD_CODEC_CFG 0x70 /* codec configuration */ 269 #define AC97_AD_JACK_SPDIF 0x72 /* Jack Sense & S/PDIF */ 270 #define AC97_AD_SERIAL_CFG 0x74 /* Serial Configuration */ 271 #define AC97_AD_MISC 0x76 /* Misc Control Bits */ 272 273 /* specific - Cirrus Logic */ 274 #define AC97_CSR_ACMODE 0x5e /* AC Mode Register */ 275 #define AC97_CSR_MISC_CRYSTAL 0x60 /* Misc Crystal Control */ 276 #define AC97_CSR_SPDIF 0x68 /* S/PDIF Register */ 277 #define AC97_CSR_SERIAL 0x6a /* Serial Port Control */ 278 #define AC97_CSR_SPECF_ADDR 0x6c /* Special Feature Address */ 279 #define AC97_CSR_SPECF_DATA 0x6e /* Special Feature Data */ 280 #define AC97_CSR_BDI_STATUS 0x7a /* BDI Status */ 281 282 /* specific - Conexant */ 283 #define AC97_CXR_AUDIO_MISC 0x5c 284 #define AC97_CXR_SPDIFEN (1<<3) 285 #define AC97_CXR_COPYRGT (1<<2) 286 #define AC97_CXR_SPDIF_MASK (3<<0) 287 #define AC97_CXR_SPDIF_PCM 0x0 288 #define AC97_CXR_SPDIF_AC3 0x2 289 290 /* specific - ALC */ 291 #define AC97_ALC650_SPDIF_INPUT_STATUS1 0x60 292 /* S/PDIF input status 1 bit defines */ 293 #define AC97_ALC650_PRO 0x0001 /* Professional status */ 294 #define AC97_ALC650_NAUDIO 0x0002 /* Non audio stream */ 295 #define AC97_ALC650_COPY 0x0004 /* Copyright status */ 296 #define AC97_ALC650_PRE 0x0038 /* Preemphasis status */ 297 #define AC97_ALC650_PRE_SHIFT 3 298 #define AC97_ALC650_MODE 0x00C0 /* Preemphasis status */ 299 #define AC97_ALC650_MODE_SHIFT 6 300 #define AC97_ALC650_CC_MASK 0x7f00 /* Category Code mask */ 301 #define AC97_ALC650_CC_SHIFT 8 302 #define AC97_ALC650_L 0x8000 /* Generation Level status */ 303 304 #define AC97_ALC650_SPDIF_INPUT_STATUS2 0x62 305 /* S/PDIF input status 2 bit defines */ 306 #define AC97_ALC650_SOUCE_MASK 0x000f /* Source number */ 307 #define AC97_ALC650_CHANNEL_MASK 0x00f0 /* Channel number */ 308 #define AC97_ALC650_CHANNEL_SHIFT 4 309 #define AC97_ALC650_SPSR_MASK 0x0f00 /* S/PDIF Sample Rate bits */ 310 #define AC97_ALC650_SPSR_SHIFT 8 311 #define AC97_ALC650_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ 312 #define AC97_ALC650_SPSR_48K 0x0200 /* Use 48kHz Sample rate */ 313 #define AC97_ALC650_SPSR_32K 0x0300 /* Use 32kHz Sample rate */ 314 #define AC97_ALC650_CLOCK_ACCURACY 0x3000 /* Clock accuracy */ 315 #define AC97_ALC650_CLOCK_SHIFT 12 316 #define AC97_ALC650_CLOCK_LOCK 0x4000 /* Clock locked status */ 317 #define AC97_ALC650_V 0x8000 /* Validity status */ 318 319 #define AC97_ALC650_SURR_DAC_VOL 0x64 320 #define AC97_ALC650_LFE_DAC_VOL 0x66 321 #define AC97_ALC650_UNKNOWN1 0x68 322 #define AC97_ALC650_MULTICH 0x6a 323 #define AC97_ALC650_UNKNOWN2 0x6c 324 #define AC97_ALC650_REVISION 0x6e 325 #define AC97_ALC650_UNKNOWN3 0x70 326 #define AC97_ALC650_UNKNOWN4 0x72 327 #define AC97_ALC650_MISC 0x74 328 #define AC97_ALC650_GPIO_SETUP 0x76 329 #define AC97_ALC650_GPIO_STATUS 0x78 330 #define AC97_ALC650_CLOCK 0x7a 331 332 /* specific - Yamaha YMF753 */ 333 #define AC97_YMF753_DIT_CTRL2 0x66 /* DIT Control 2 */ 334 #define AC97_YMF753_3D_MODE_SEL 0x68 /* 3D Mode Select */ 335 336 /* specific - C-Media */ 337 #define AC97_CM9738_VENDOR_CTRL 0x5a 338 #define AC97_CM9739_MULTI_CHAN 0x64 339 #define AC97_CM9739_SPDIF_IN_STATUS 0x68 /* 32bit */ 340 #define AC97_CM9739_SPDIF_CTRL 0x6c 341 342 /* specific - wolfson */ 343 #define AC97_WM97XX_FMIXER_VOL 0x72 344 #define AC97_WM9704_RMIXER_VOL 0x74 345 #define AC97_WM9704_TEST 0x5a 346 #define AC97_WM9704_RPCM_VOL 0x70 347 #define AC97_WM9711_OUT3VOL 0x16 348 349 350 /* ac97->scaps */ 351 #define AC97_SCAP_AUDIO (1<<0) /* audio codec 97 */ 352 #define AC97_SCAP_MODEM (1<<1) /* modem codec 97 */ 353 #define AC97_SCAP_SURROUND_DAC (1<<2) /* surround L&R DACs are present */ 354 #define AC97_SCAP_CENTER_LFE_DAC (1<<3) /* center and LFE DACs are present */ 355 #define AC97_SCAP_SKIP_AUDIO (1<<4) /* skip audio part of codec */ 356 #define AC97_SCAP_SKIP_MODEM (1<<5) /* skip modem part of codec */ 357 #define AC97_SCAP_INDEP_SDIN (1<<6) /* independent SDIN */ 358 #define AC97_SCAP_INV_EAPD (1<<7) /* inverted EAPD */ 359 #define AC97_SCAP_DETECT_BY_VENDOR (1<<8) /* use vendor registers for read tests */ 360 #define AC97_SCAP_NO_SPDIF (1<<9) /* don't build SPDIF controls */ 361 362 /* ac97->flags */ 363 #define AC97_HAS_PC_BEEP (1<<0) /* force PC Speaker usage */ 364 #define AC97_AD_MULTI (1<<1) /* Analog Devices - multi codecs */ 365 #define AC97_CS_SPDIF (1<<2) /* Cirrus Logic uses funky SPDIF */ 366 #define AC97_CX_SPDIF (1<<3) /* Conexant's spdif interface */ 367 #define AC97_STEREO_MUTES (1<<4) /* has stereo mute bits */ 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 */ 381 382 /* rates indexes */ 383 #define AC97_RATES_FRONT_DAC 0 384 #define AC97_RATES_SURR_DAC 1 385 #define AC97_RATES_LFE_DAC 2 386 #define AC97_RATES_ADC 3 387 #define AC97_RATES_MIC_ADC 4 388 #define AC97_RATES_SPDIF 5 389 390 /* 391 * 392 */ 393 394 struct snd_ac97; 395 396 struct 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 }; 407 408 struct 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 }; 415 416 struct 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 }; 435 436 struct 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 }; 446 447 struct 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 */ 493 static inline int ac97_is_audio(struct snd_ac97 * ac97) 494 { 495 return (ac97->scaps & AC97_SCAP_AUDIO); 496 } 497 static inline int ac97_is_modem(struct snd_ac97 * ac97) 498 { 499 return (ac97->scaps & AC97_SCAP_MODEM); 500 } 501 static inline int ac97_is_rev22(struct snd_ac97 * ac97) 502 { 503 return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22; 504 } 505 static inline int ac97_can_amap(struct snd_ac97 * ac97) 506 { 507 return (ac97->ext_id & AC97_EI_AMAP) != 0; 508 } 509 static 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 */ 516 int 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 */ 519 int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, 520 struct snd_ac97 **rac97); 521 const char *snd_ac97_get_short_name(struct snd_ac97 *ac97); 522 523 void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); 524 unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg); 525 void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); 526 int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); 527 int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value); 528 #ifdef CONFIG_PM 529 void snd_ac97_suspend(struct snd_ac97 *ac97); 530 void snd_ac97_resume(struct snd_ac97 *ac97); 531 #endif 532 533 /* quirk types */ 534 enum { 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 }; 546 547 struct 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 }; 555 556 int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override); 557 int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate); 558 559 /* 560 * PCM allocation 561 */ 562 563 enum ac97_pcm_cfg { 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 }; 571 572 struct ac97_pcm { 573 struct snd_ac97_bus *bus; 574 unsigned int stream: 1, /* stream type: 1 = capture */ 575 exclusive: 1, /* exclusive mode, don't override with other pcms */ 576 copy_flag: 1, /* lowlevel driver must fill all entries */ 577 spdif: 1; /* spdif pcm */ 578 unsigned short aslots; /* active slots */ 579 unsigned int rates; /* available rates */ 580 struct { 581 unsigned short slots; /* driver input: requested AC97 slot numbers */ 582 unsigned short rslots[4]; /* allocated slots per codecs */ 583 unsigned char rate_table[4]; 584 struct snd_ac97 *codec[4]; /* allocated codecs */ 585 } r[2]; /* 0 = standard rates, 1 = double rates */ 586 unsigned long private_value; /* used by the hardware driver */ 587 }; 588 589 int snd_ac97_pcm_assign(struct snd_ac97_bus *ac97, 590 unsigned short pcms_count, 591 const struct ac97_pcm *pcms); 592 int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate, 593 enum ac97_pcm_cfg cfg, unsigned short slots); 594 int snd_ac97_pcm_close(struct ac97_pcm *pcm); 595 int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime); 596 597 /* ad hoc AC97 device driver access */ 598 extern struct bus_type ac97_bus_type; 599 600 #endif /* __SOUND_AC97_CODEC_H */ 601