1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ 2*4882a593Smuzhiyun * 3*4882a593Smuzhiyun * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4*4882a593Smuzhiyun * Universal interface for Audio Codec '97 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * For more details look to AC '97 component specification revision 2.1 7*4882a593Smuzhiyun * by Intel Corporation (http://developer.intel.com). 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * AC'97 codec registers 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define AC97_RESET 0x00 /* Reset */ 14*4882a593Smuzhiyun #define AC97_MASTER 0x02 /* Master Volume */ 15*4882a593Smuzhiyun #define AC97_HEADPHONE 0x04 /* Headphone Volume (optional) */ 16*4882a593Smuzhiyun #define AC97_MASTER_MONO 0x06 /* Master Volume Mono (optional) */ 17*4882a593Smuzhiyun #define AC97_MASTER_TONE 0x08 /* Master Tone (Bass & Treble) (optional) */ 18*4882a593Smuzhiyun #define AC97_PC_BEEP 0x0a /* PC Beep Volume (optional) */ 19*4882a593Smuzhiyun #define AC97_PHONE 0x0c /* Phone Volume (optional) */ 20*4882a593Smuzhiyun #define AC97_MIC 0x0e /* MIC Volume */ 21*4882a593Smuzhiyun #define AC97_LINE 0x10 /* Line In Volume */ 22*4882a593Smuzhiyun #define AC97_CD 0x12 /* CD Volume */ 23*4882a593Smuzhiyun #define AC97_VIDEO 0x14 /* Video Volume (optional) */ 24*4882a593Smuzhiyun #define AC97_AUX 0x16 /* AUX Volume (optional) */ 25*4882a593Smuzhiyun #define AC97_PCM 0x18 /* PCM Volume */ 26*4882a593Smuzhiyun #define AC97_REC_SEL 0x1a /* Record Select */ 27*4882a593Smuzhiyun #define AC97_REC_GAIN 0x1c /* Record Gain */ 28*4882a593Smuzhiyun #define AC97_REC_GAIN_MIC 0x1e /* Record Gain MIC (optional) */ 29*4882a593Smuzhiyun #define AC97_GENERAL_PURPOSE 0x20 /* General Purpose (optional) */ 30*4882a593Smuzhiyun #define AC97_3D_CONTROL 0x22 /* 3D Control (optional) */ 31*4882a593Smuzhiyun #define AC97_INT_PAGING 0x24 /* Audio Interrupt & Paging (AC'97 2.3) */ 32*4882a593Smuzhiyun #define AC97_POWERDOWN 0x26 /* Powerdown control / status */ 33*4882a593Smuzhiyun /* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */ 34*4882a593Smuzhiyun #define AC97_EXTENDED_ID 0x28 /* Extended Audio ID */ 35*4882a593Smuzhiyun #define AC97_EXTENDED_STATUS 0x2a /* Extended Audio Status and Control */ 36*4882a593Smuzhiyun #define AC97_PCM_FRONT_DAC_RATE 0x2c /* PCM Front DAC Rate */ 37*4882a593Smuzhiyun #define AC97_PCM_SURR_DAC_RATE 0x2e /* PCM Surround DAC Rate */ 38*4882a593Smuzhiyun #define AC97_PCM_LFE_DAC_RATE 0x30 /* PCM LFE DAC Rate */ 39*4882a593Smuzhiyun #define AC97_PCM_LR_ADC_RATE 0x32 /* PCM LR ADC Rate */ 40*4882a593Smuzhiyun #define AC97_PCM_MIC_ADC_RATE 0x34 /* PCM MIC ADC Rate */ 41*4882a593Smuzhiyun #define AC97_CENTER_LFE_MASTER 0x36 /* Center + LFE Master Volume */ 42*4882a593Smuzhiyun #define AC97_SURROUND_MASTER 0x38 /* Surround (Rear) Master Volume */ 43*4882a593Smuzhiyun #define AC97_SPDIF 0x3a /* S/PDIF control */ 44*4882a593Smuzhiyun /* range 0x3c-0x58 - MODEM */ 45*4882a593Smuzhiyun #define AC97_EXTENDED_MID 0x3c /* Extended Modem ID */ 46*4882a593Smuzhiyun #define AC97_EXTENDED_MSTATUS 0x3e /* Extended Modem Status and Control */ 47*4882a593Smuzhiyun #define AC97_LINE1_RATE 0x40 /* Line1 DAC/ADC Rate */ 48*4882a593Smuzhiyun #define AC97_LINE2_RATE 0x42 /* Line2 DAC/ADC Rate */ 49*4882a593Smuzhiyun #define AC97_HANDSET_RATE 0x44 /* Handset DAC/ADC Rate */ 50*4882a593Smuzhiyun #define AC97_LINE1_LEVEL 0x46 /* Line1 DAC/ADC Level */ 51*4882a593Smuzhiyun #define AC97_LINE2_LEVEL 0x48 /* Line2 DAC/ADC Level */ 52*4882a593Smuzhiyun #define AC97_HANDSET_LEVEL 0x4a /* Handset DAC/ADC Level */ 53*4882a593Smuzhiyun #define AC97_GPIO_CFG 0x4c /* GPIO Configuration */ 54*4882a593Smuzhiyun #define AC97_GPIO_POLARITY 0x4e /* GPIO Pin Polarity/Type, 0=low, 1=high active */ 55*4882a593Smuzhiyun #define AC97_GPIO_STICKY 0x50 /* GPIO Pin Sticky, 0=not, 1=sticky */ 56*4882a593Smuzhiyun #define AC97_GPIO_WAKEUP 0x52 /* GPIO Pin Wakeup, 0=no int, 1=yes int */ 57*4882a593Smuzhiyun #define AC97_GPIO_STATUS 0x54 /* GPIO Pin Status, slot 12 */ 58*4882a593Smuzhiyun #define AC97_MISC_AFE 0x56 /* Miscellaneous Modem AFE Status and Control */ 59*4882a593Smuzhiyun /* range 0x5a-0x7b - Vendor Specific */ 60*4882a593Smuzhiyun #define AC97_VENDOR_ID1 0x7c /* Vendor ID1 */ 61*4882a593Smuzhiyun #define AC97_VENDOR_ID2 0x7e /* Vendor ID2 / revision */ 62*4882a593Smuzhiyun /* range 0x60-0x6f (page 1) - extended codec registers */ 63*4882a593Smuzhiyun #define AC97_CODEC_CLASS_REV 0x60 /* Codec Class/Revision */ 64*4882a593Smuzhiyun #define AC97_PCI_SVID 0x62 /* PCI Subsystem Vendor ID */ 65*4882a593Smuzhiyun #define AC97_PCI_SID 0x64 /* PCI Subsystem ID */ 66*4882a593Smuzhiyun #define AC97_FUNC_SELECT 0x66 /* Function Select */ 67*4882a593Smuzhiyun #define AC97_FUNC_INFO 0x68 /* Function Information */ 68*4882a593Smuzhiyun #define AC97_SENSE_INFO 0x6a /* Sense Details */ 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun /* volume controls */ 71*4882a593Smuzhiyun #define AC97_MUTE_MASK_MONO 0x8000 72*4882a593Smuzhiyun #define AC97_MUTE_MASK_STEREO 0x8080 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun /* slot allocation */ 75*4882a593Smuzhiyun #define AC97_SLOT_TAG 0 76*4882a593Smuzhiyun #define AC97_SLOT_CMD_ADDR 1 77*4882a593Smuzhiyun #define AC97_SLOT_CMD_DATA 2 78*4882a593Smuzhiyun #define AC97_SLOT_PCM_LEFT 3 79*4882a593Smuzhiyun #define AC97_SLOT_PCM_RIGHT 4 80*4882a593Smuzhiyun #define AC97_SLOT_MODEM_LINE1 5 81*4882a593Smuzhiyun #define AC97_SLOT_PCM_CENTER 6 82*4882a593Smuzhiyun #define AC97_SLOT_MIC 6 /* input */ 83*4882a593Smuzhiyun #define AC97_SLOT_SPDIF_LEFT1 6 84*4882a593Smuzhiyun #define AC97_SLOT_PCM_SLEFT 7 /* surround left */ 85*4882a593Smuzhiyun #define AC97_SLOT_PCM_LEFT_0 7 /* double rate operation */ 86*4882a593Smuzhiyun #define AC97_SLOT_SPDIF_LEFT 7 87*4882a593Smuzhiyun #define AC97_SLOT_PCM_SRIGHT 8 /* surround right */ 88*4882a593Smuzhiyun #define AC97_SLOT_PCM_RIGHT_0 8 /* double rate operation */ 89*4882a593Smuzhiyun #define AC97_SLOT_SPDIF_RIGHT 8 90*4882a593Smuzhiyun #define AC97_SLOT_LFE 9 91*4882a593Smuzhiyun #define AC97_SLOT_SPDIF_RIGHT1 9 92*4882a593Smuzhiyun #define AC97_SLOT_MODEM_LINE2 10 93*4882a593Smuzhiyun #define AC97_SLOT_PCM_LEFT_1 10 /* double rate operation */ 94*4882a593Smuzhiyun #define AC97_SLOT_SPDIF_LEFT2 10 95*4882a593Smuzhiyun #define AC97_SLOT_HANDSET 11 /* output */ 96*4882a593Smuzhiyun #define AC97_SLOT_PCM_RIGHT_1 11 /* double rate operation */ 97*4882a593Smuzhiyun #define AC97_SLOT_SPDIF_RIGHT2 11 98*4882a593Smuzhiyun #define AC97_SLOT_MODEM_GPIO 12 /* modem GPIO */ 99*4882a593Smuzhiyun #define AC97_SLOT_PCM_CENTER_1 12 /* double rate operation */ 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun /* basic capabilities (reset register) */ 102*4882a593Smuzhiyun #define AC97_BC_DEDICATED_MIC 0x0001 /* Dedicated Mic PCM In Channel */ 103*4882a593Smuzhiyun #define AC97_BC_RESERVED1 0x0002 /* Reserved (was Modem Line Codec support) */ 104*4882a593Smuzhiyun #define AC97_BC_BASS_TREBLE 0x0004 /* Bass & Treble Control */ 105*4882a593Smuzhiyun #define AC97_BC_SIM_STEREO 0x0008 /* Simulated stereo */ 106*4882a593Smuzhiyun #define AC97_BC_HEADPHONE 0x0010 /* Headphone Out Support */ 107*4882a593Smuzhiyun #define AC97_BC_LOUDNESS 0x0020 /* Loudness (bass boost) Support */ 108*4882a593Smuzhiyun #define AC97_BC_16BIT_DAC 0x0000 /* 16-bit DAC resolution */ 109*4882a593Smuzhiyun #define AC97_BC_18BIT_DAC 0x0040 /* 18-bit DAC resolution */ 110*4882a593Smuzhiyun #define AC97_BC_20BIT_DAC 0x0080 /* 20-bit DAC resolution */ 111*4882a593Smuzhiyun #define AC97_BC_DAC_MASK 0x00c0 112*4882a593Smuzhiyun #define AC97_BC_16BIT_ADC 0x0000 /* 16-bit ADC resolution */ 113*4882a593Smuzhiyun #define AC97_BC_18BIT_ADC 0x0100 /* 18-bit ADC resolution */ 114*4882a593Smuzhiyun #define AC97_BC_20BIT_ADC 0x0200 /* 20-bit ADC resolution */ 115*4882a593Smuzhiyun #define AC97_BC_ADC_MASK 0x0300 116*4882a593Smuzhiyun #define AC97_BC_3D_TECH_ID_MASK 0x7c00 /* Per-vendor ID of 3D enhancement */ 117*4882a593Smuzhiyun 118*4882a593Smuzhiyun /* general purpose */ 119*4882a593Smuzhiyun #define AC97_GP_DRSS_MASK 0x0c00 /* double rate slot select */ 120*4882a593Smuzhiyun #define AC97_GP_DRSS_1011 0x0000 /* LR(C) 10+11(+12) */ 121*4882a593Smuzhiyun #define AC97_GP_DRSS_78 0x0400 /* LR 7+8 */ 122*4882a593Smuzhiyun 123*4882a593Smuzhiyun /* powerdown bits */ 124*4882a593Smuzhiyun #define AC97_PD_ADC_STATUS 0x0001 /* ADC status (RO) */ 125*4882a593Smuzhiyun #define AC97_PD_DAC_STATUS 0x0002 /* DAC status (RO) */ 126*4882a593Smuzhiyun #define AC97_PD_MIXER_STATUS 0x0004 /* Analog mixer status (RO) */ 127*4882a593Smuzhiyun #define AC97_PD_VREF_STATUS 0x0008 /* Vref status (RO) */ 128*4882a593Smuzhiyun #define AC97_PD_PR0 0x0100 /* Power down PCM ADCs and input MUX */ 129*4882a593Smuzhiyun #define AC97_PD_PR1 0x0200 /* Power down PCM front DAC */ 130*4882a593Smuzhiyun #define AC97_PD_PR2 0x0400 /* Power down Mixer (Vref still on) */ 131*4882a593Smuzhiyun #define AC97_PD_PR3 0x0800 /* Power down Mixer (Vref off) */ 132*4882a593Smuzhiyun #define AC97_PD_PR4 0x1000 /* Power down AC-Link */ 133*4882a593Smuzhiyun #define AC97_PD_PR5 0x2000 /* Disable internal clock usage */ 134*4882a593Smuzhiyun #define AC97_PD_PR6 0x4000 /* Headphone amplifier */ 135*4882a593Smuzhiyun #define AC97_PD_EAPD 0x8000 /* External Amplifer Power Down (EAPD) */ 136*4882a593Smuzhiyun 137*4882a593Smuzhiyun /* extended audio ID bit defines */ 138*4882a593Smuzhiyun #define AC97_EI_VRA 0x0001 /* Variable bit rate supported */ 139*4882a593Smuzhiyun #define AC97_EI_DRA 0x0002 /* Double rate supported */ 140*4882a593Smuzhiyun #define AC97_EI_SPDIF 0x0004 /* S/PDIF out supported */ 141*4882a593Smuzhiyun #define AC97_EI_VRM 0x0008 /* Variable bit rate supported for MIC */ 142*4882a593Smuzhiyun #define AC97_EI_DACS_SLOT_MASK 0x0030 /* DACs slot assignment */ 143*4882a593Smuzhiyun #define AC97_EI_DACS_SLOT_SHIFT 4 144*4882a593Smuzhiyun #define AC97_EI_CDAC 0x0040 /* PCM Center DAC available */ 145*4882a593Smuzhiyun #define AC97_EI_SDAC 0x0080 /* PCM Surround DACs available */ 146*4882a593Smuzhiyun #define AC97_EI_LDAC 0x0100 /* PCM LFE DAC available */ 147*4882a593Smuzhiyun #define AC97_EI_AMAP 0x0200 /* indicates optional slot/DAC mapping based on codec ID */ 148*4882a593Smuzhiyun #define AC97_EI_REV_MASK 0x0c00 /* AC'97 revision mask */ 149*4882a593Smuzhiyun #define AC97_EI_REV_22 0x0400 /* AC'97 revision 2.2 */ 150*4882a593Smuzhiyun #define AC97_EI_REV_23 0x0800 /* AC'97 revision 2.3 */ 151*4882a593Smuzhiyun #define AC97_EI_REV_SHIFT 10 152*4882a593Smuzhiyun #define AC97_EI_ADDR_MASK 0xc000 /* physical codec ID (address) */ 153*4882a593Smuzhiyun #define AC97_EI_ADDR_SHIFT 14 154*4882a593Smuzhiyun 155*4882a593Smuzhiyun /* extended audio status and control bit defines */ 156*4882a593Smuzhiyun #define AC97_EA_VRA 0x0001 /* Variable bit rate enable bit */ 157*4882a593Smuzhiyun #define AC97_EA_DRA 0x0002 /* Double-rate audio enable bit */ 158*4882a593Smuzhiyun #define AC97_EA_SPDIF 0x0004 /* S/PDIF out enable bit */ 159*4882a593Smuzhiyun #define AC97_EA_VRM 0x0008 /* Variable bit rate for MIC enable bit */ 160*4882a593Smuzhiyun #define AC97_EA_SPSA_SLOT_MASK 0x0030 /* Mask for slot assignment bits */ 161*4882a593Smuzhiyun #define AC97_EA_SPSA_SLOT_SHIFT 4 162*4882a593Smuzhiyun #define AC97_EA_SPSA_3_4 0x0000 /* Slot assigned to 3 & 4 */ 163*4882a593Smuzhiyun #define AC97_EA_SPSA_7_8 0x0010 /* Slot assigned to 7 & 8 */ 164*4882a593Smuzhiyun #define AC97_EA_SPSA_6_9 0x0020 /* Slot assigned to 6 & 9 */ 165*4882a593Smuzhiyun #define AC97_EA_SPSA_10_11 0x0030 /* Slot assigned to 10 & 11 */ 166*4882a593Smuzhiyun #define AC97_EA_CDAC 0x0040 /* PCM Center DAC is ready (Read only) */ 167*4882a593Smuzhiyun #define AC97_EA_SDAC 0x0080 /* PCM Surround DACs are ready (Read only) */ 168*4882a593Smuzhiyun #define AC97_EA_LDAC 0x0100 /* PCM LFE DAC is ready (Read only) */ 169*4882a593Smuzhiyun #define AC97_EA_MDAC 0x0200 /* MIC ADC is ready (Read only) */ 170*4882a593Smuzhiyun #define AC97_EA_SPCV 0x0400 /* S/PDIF configuration valid (Read only) */ 171*4882a593Smuzhiyun #define AC97_EA_PRI 0x0800 /* Turns the PCM Center DAC off */ 172*4882a593Smuzhiyun #define AC97_EA_PRJ 0x1000 /* Turns the PCM Surround DACs off */ 173*4882a593Smuzhiyun #define AC97_EA_PRK 0x2000 /* Turns the PCM LFE DAC off */ 174*4882a593Smuzhiyun #define AC97_EA_PRL 0x4000 /* Turns the MIC ADC off */ 175*4882a593Smuzhiyun 176*4882a593Smuzhiyun /* S/PDIF control bit defines */ 177*4882a593Smuzhiyun #define AC97_SC_PRO 0x0001 /* Professional status */ 178*4882a593Smuzhiyun #define AC97_SC_NAUDIO 0x0002 /* Non audio stream */ 179*4882a593Smuzhiyun #define AC97_SC_COPY 0x0004 /* Copyright status */ 180*4882a593Smuzhiyun #define AC97_SC_PRE 0x0008 /* Preemphasis status */ 181*4882a593Smuzhiyun #define AC97_SC_CC_MASK 0x07f0 /* Category Code mask */ 182*4882a593Smuzhiyun #define AC97_SC_CC_SHIFT 4 183*4882a593Smuzhiyun #define AC97_SC_L 0x0800 /* Generation Level status */ 184*4882a593Smuzhiyun #define AC97_SC_SPSR_MASK 0x3000 /* S/PDIF Sample Rate bits */ 185*4882a593Smuzhiyun #define AC97_SC_SPSR_SHIFT 12 186*4882a593Smuzhiyun #define AC97_SC_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ 187*4882a593Smuzhiyun #define AC97_SC_SPSR_48K 0x2000 /* Use 48kHz Sample rate */ 188*4882a593Smuzhiyun #define AC97_SC_SPSR_32K 0x3000 /* Use 32kHz Sample rate */ 189*4882a593Smuzhiyun #define AC97_SC_DRS 0x4000 /* Double Rate S/PDIF */ 190*4882a593Smuzhiyun #define AC97_SC_V 0x8000 /* Validity status */ 191*4882a593Smuzhiyun 192*4882a593Smuzhiyun /* Interrupt and Paging bit defines (AC'97 2.3) */ 193*4882a593Smuzhiyun #define AC97_PAGE_MASK 0x000f /* Page Selector */ 194*4882a593Smuzhiyun #define AC97_PAGE_VENDOR 0 /* Vendor-specific registers */ 195*4882a593Smuzhiyun #define AC97_PAGE_1 1 /* Extended Codec Registers page 1 */ 196*4882a593Smuzhiyun #define AC97_INT_ENABLE 0x0800 /* Interrupt Enable */ 197*4882a593Smuzhiyun #define AC97_INT_SENSE 0x1000 /* Sense Cycle */ 198*4882a593Smuzhiyun #define AC97_INT_CAUSE_SENSE 0x2000 /* Sense Cycle Completed (RO) */ 199*4882a593Smuzhiyun #define AC97_INT_CAUSE_GPIO 0x4000 /* GPIO bits changed (RO) */ 200*4882a593Smuzhiyun #define AC97_INT_STATUS 0x8000 /* Interrupt Status */ 201*4882a593Smuzhiyun 202*4882a593Smuzhiyun /* extended modem ID bit defines */ 203*4882a593Smuzhiyun #define AC97_MEI_LINE1 0x0001 /* Line1 present */ 204*4882a593Smuzhiyun #define AC97_MEI_LINE2 0x0002 /* Line2 present */ 205*4882a593Smuzhiyun #define AC97_MEI_HANDSET 0x0004 /* Handset present */ 206*4882a593Smuzhiyun #define AC97_MEI_CID1 0x0008 /* caller ID decode for Line1 is supported */ 207*4882a593Smuzhiyun #define AC97_MEI_CID2 0x0010 /* caller ID decode for Line2 is supported */ 208*4882a593Smuzhiyun #define AC97_MEI_ADDR_MASK 0xc000 /* physical codec ID (address) */ 209*4882a593Smuzhiyun #define AC97_MEI_ADDR_SHIFT 14 210*4882a593Smuzhiyun 211*4882a593Smuzhiyun /* extended modem status and control bit defines */ 212*4882a593Smuzhiyun #define AC97_MEA_GPIO 0x0001 /* GPIO is ready (ro) */ 213*4882a593Smuzhiyun #define AC97_MEA_MREF 0x0002 /* Vref is up to nominal level (ro) */ 214*4882a593Smuzhiyun #define AC97_MEA_ADC1 0x0004 /* ADC1 operational (ro) */ 215*4882a593Smuzhiyun #define AC97_MEA_DAC1 0x0008 /* DAC1 operational (ro) */ 216*4882a593Smuzhiyun #define AC97_MEA_ADC2 0x0010 /* ADC2 operational (ro) */ 217*4882a593Smuzhiyun #define AC97_MEA_DAC2 0x0020 /* DAC2 operational (ro) */ 218*4882a593Smuzhiyun #define AC97_MEA_HADC 0x0040 /* HADC operational (ro) */ 219*4882a593Smuzhiyun #define AC97_MEA_HDAC 0x0080 /* HDAC operational (ro) */ 220*4882a593Smuzhiyun #define AC97_MEA_PRA 0x0100 /* GPIO power down (high) */ 221*4882a593Smuzhiyun #define AC97_MEA_PRB 0x0200 /* reserved */ 222*4882a593Smuzhiyun #define AC97_MEA_PRC 0x0400 /* ADC1 power down (high) */ 223*4882a593Smuzhiyun #define AC97_MEA_PRD 0x0800 /* DAC1 power down (high) */ 224*4882a593Smuzhiyun #define AC97_MEA_PRE 0x1000 /* ADC2 power down (high) */ 225*4882a593Smuzhiyun #define AC97_MEA_PRF 0x2000 /* DAC2 power down (high) */ 226*4882a593Smuzhiyun #define AC97_MEA_PRG 0x4000 /* HADC power down (high) */ 227*4882a593Smuzhiyun #define AC97_MEA_PRH 0x8000 /* HDAC power down (high) */ 228*4882a593Smuzhiyun 229*4882a593Smuzhiyun /* modem gpio status defines */ 230*4882a593Smuzhiyun #define AC97_GPIO_LINE1_OH 0x0001 /* Off Hook Line1 */ 231*4882a593Smuzhiyun #define AC97_GPIO_LINE1_RI 0x0002 /* Ring Detect Line1 */ 232*4882a593Smuzhiyun #define AC97_GPIO_LINE1_CID 0x0004 /* Caller ID path enable Line1 */ 233*4882a593Smuzhiyun #define AC97_GPIO_LINE1_LCS 0x0008 /* Loop Current Sense Line1 */ 234*4882a593Smuzhiyun #define AC97_GPIO_LINE1_PULSE 0x0010 /* Opt./ Pulse Dial Line1 (out) */ 235*4882a593Smuzhiyun #define AC97_GPIO_LINE1_HL1R 0x0020 /* Opt./ Handset to Line1 relay control (out) */ 236*4882a593Smuzhiyun #define AC97_GPIO_LINE1_HOHD 0x0040 /* Opt./ Handset off hook detect Line1 (in) */ 237*4882a593Smuzhiyun #define AC97_GPIO_LINE12_AC 0x0080 /* Opt./ Int.bit 1 / Line1/2 AC (out) */ 238*4882a593Smuzhiyun #define AC97_GPIO_LINE12_DC 0x0100 /* Opt./ Int.bit 2 / Line1/2 DC (out) */ 239*4882a593Smuzhiyun #define AC97_GPIO_LINE12_RS 0x0200 /* Opt./ Int.bit 3 / Line1/2 RS (out) */ 240*4882a593Smuzhiyun #define AC97_GPIO_LINE2_OH 0x0400 /* Off Hook Line2 */ 241*4882a593Smuzhiyun #define AC97_GPIO_LINE2_RI 0x0800 /* Ring Detect Line2 */ 242*4882a593Smuzhiyun #define AC97_GPIO_LINE2_CID 0x1000 /* Caller ID path enable Line2 */ 243*4882a593Smuzhiyun #define AC97_GPIO_LINE2_LCS 0x2000 /* Loop Current Sense Line2 */ 244*4882a593Smuzhiyun #define AC97_GPIO_LINE2_PULSE 0x4000 /* Opt./ Pulse Dial Line2 (out) */ 245*4882a593Smuzhiyun #define AC97_GPIO_LINE2_HL1R 0x8000 /* Opt./ Handset to Line2 relay control (out) */ 246*4882a593Smuzhiyun 247