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ac97_codec.h
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#ifndef __SOUND_AC97_CODEC_H #define __SOUND_AC97_CODEC_H /* * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * Universal interface for Audio Codec '97 * * For more details look to AC '97 component specification revision 2.1 * by Intel Corporation (http://developer.intel.com). * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <linux/bitops.h> #include <linux/device.h> #include <linux/workqueue.h> #include <sound/pcm.h> #include <sound/control.h> #include <sound/info.h> /* maximum number of devices on the AC97 bus */ #define AC97_BUS_MAX_DEVICES 4 /* * AC'97 codec registers */ #define AC97_RESET 0x00 /* Reset */ #define AC97_MASTER 0x02 /* Master Volume */ #define AC97_HEADPHONE 0x04 /* Headphone Volume (optional) */ #define AC97_MASTER_MONO 0x06 /* Master Volume Mono (optional) */ #define AC97_MASTER_TONE 0x08 /* Master Tone (Bass & Treble) (optional) */ #define AC97_PC_BEEP 0x0a /* PC Beep Volume (optinal) */ #define AC97_PHONE 0x0c /* Phone Volume (optional) */ #define AC97_MIC 0x0e /* MIC Volume */ #define AC97_LINE 0x10 /* Line In Volume */ #define AC97_CD 0x12 /* CD Volume */ #define AC97_VIDEO 0x14 /* Video Volume (optional) */ #define AC97_AUX 0x16 /* AUX Volume (optional) */ #define AC97_PCM 0x18 /* PCM Volume */ #define AC97_REC_SEL 0x1a /* Record Select */ #define AC97_REC_GAIN 0x1c /* Record Gain */ #define AC97_REC_GAIN_MIC 0x1e /* Record Gain MIC (optional) */ #define AC97_GENERAL_PURPOSE 0x20 /* General Purpose (optional) */ #define AC97_3D_CONTROL 0x22 /* 3D Control (optional) */ #define AC97_INT_PAGING 0x24 /* Audio Interrupt & Paging (AC'97 2.3) */ #define AC97_POWERDOWN 0x26 /* Powerdown control / status */ /* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */ #define AC97_EXTENDED_ID 0x28 /* Extended Audio ID */ #define AC97_EXTENDED_STATUS 0x2a /* Extended Audio Status and Control */ #define AC97_PCM_FRONT_DAC_RATE 0x2c /* PCM Front DAC Rate */ #define AC97_PCM_SURR_DAC_RATE 0x2e /* PCM Surround DAC Rate */ #define AC97_PCM_LFE_DAC_RATE 0x30 /* PCM LFE DAC Rate */ #define AC97_PCM_LR_ADC_RATE 0x32 /* PCM LR ADC Rate */ #define AC97_PCM_MIC_ADC_RATE 0x34 /* PCM MIC ADC Rate */ #define AC97_CENTER_LFE_MASTER 0x36 /* Center + LFE Master Volume */ #define AC97_SURROUND_MASTER 0x38 /* Surround (Rear) Master Volume */ #define AC97_SPDIF 0x3a /* S/PDIF control */ /* range 0x3c-0x58 - MODEM */ #define AC97_EXTENDED_MID 0x3c /* Extended Modem ID */ #define AC97_EXTENDED_MSTATUS 0x3e /* Extended Modem Status and Control */ #define AC97_LINE1_RATE 0x40 /* Line1 DAC/ADC Rate */ #define AC97_LINE2_RATE 0x42 /* Line2 DAC/ADC Rate */ #define AC97_HANDSET_RATE 0x44 /* Handset DAC/ADC Rate */ #define AC97_LINE1_LEVEL 0x46 /* Line1 DAC/ADC Level */ #define AC97_LINE2_LEVEL 0x48 /* Line2 DAC/ADC Level */ #define AC97_HANDSET_LEVEL 0x4a /* Handset DAC/ADC Level */ #define AC97_GPIO_CFG 0x4c /* GPIO Configuration */ #define AC97_GPIO_POLARITY 0x4e /* GPIO Pin Polarity/Type, 0=low, 1=high active */ #define AC97_GPIO_STICKY 0x50 /* GPIO Pin Sticky, 0=not, 1=sticky */ #define AC97_GPIO_WAKEUP 0x52 /* GPIO Pin Wakeup, 0=no int, 1=yes int */ #define AC97_GPIO_STATUS 0x54 /* GPIO Pin Status, slot 12 */ #define AC97_MISC_AFE 0x56 /* Miscellaneous Modem AFE Status and Control */ /* range 0x5a-0x7b - Vendor Specific */ #define AC97_VENDOR_ID1 0x7c /* Vendor ID1 */ #define AC97_VENDOR_ID2 0x7e /* Vendor ID2 / revision */ /* range 0x60-0x6f (page 1) - extended codec registers */ #define AC97_CODEC_CLASS_REV 0x60 /* Codec Class/Revision */ #define AC97_PCI_SVID 0x62 /* PCI Subsystem Vendor ID */ #define AC97_PCI_SID 0x64 /* PCI Subsystem ID */ #define AC97_FUNC_SELECT 0x66 /* Function Select */ #define AC97_FUNC_INFO 0x68 /* Function Information */ #define AC97_SENSE_INFO 0x6a /* Sense Details */ /* volume controls */ #define AC97_MUTE_MASK_MONO 0x8000 #define AC97_MUTE_MASK_STEREO 0x8080 /* slot allocation */ #define AC97_SLOT_TAG 0 #define AC97_SLOT_CMD_ADDR 1 #define AC97_SLOT_CMD_DATA 2 #define AC97_SLOT_PCM_LEFT 3 #define AC97_SLOT_PCM_RIGHT 4 #define AC97_SLOT_MODEM_LINE1 5 #define AC97_SLOT_PCM_CENTER 6 #define AC97_SLOT_MIC 6 /* input */ #define AC97_SLOT_SPDIF_LEFT1 6 #define AC97_SLOT_PCM_SLEFT 7 /* surround left */ #define AC97_SLOT_PCM_LEFT_0 7 /* double rate operation */ #define AC97_SLOT_SPDIF_LEFT 7 #define AC97_SLOT_PCM_SRIGHT 8 /* surround right */ #define AC97_SLOT_PCM_RIGHT_0 8 /* double rate operation */ #define AC97_SLOT_SPDIF_RIGHT 8 #define AC97_SLOT_LFE 9 #define AC97_SLOT_SPDIF_RIGHT1 9 #define AC97_SLOT_MODEM_LINE2 10 #define AC97_SLOT_PCM_LEFT_1 10 /* double rate operation */ #define AC97_SLOT_SPDIF_LEFT2 10 #define AC97_SLOT_HANDSET 11 /* output */ #define AC97_SLOT_PCM_RIGHT_1 11 /* double rate operation */ #define AC97_SLOT_SPDIF_RIGHT2 11 #define AC97_SLOT_MODEM_GPIO 12 /* modem GPIO */ #define AC97_SLOT_PCM_CENTER_1 12 /* double rate operation */ /* basic capabilities (reset register) */ #define AC97_BC_DEDICATED_MIC 0x0001 /* Dedicated Mic PCM In Channel */ #define AC97_BC_RESERVED1 0x0002 /* Reserved (was Modem Line Codec support) */ #define AC97_BC_BASS_TREBLE 0x0004 /* Bass & Treble Control */ #define AC97_BC_SIM_STEREO 0x0008 /* Simulated stereo */ #define AC97_BC_HEADPHONE 0x0010 /* Headphone Out Support */ #define AC97_BC_LOUDNESS 0x0020 /* Loudness (bass boost) Support */ #define AC97_BC_16BIT_DAC 0x0000 /* 16-bit DAC resolution */ #define AC97_BC_18BIT_DAC 0x0040 /* 18-bit DAC resolution */ #define AC97_BC_20BIT_DAC 0x0080 /* 20-bit DAC resolution */ #define AC97_BC_DAC_MASK 0x00c0 #define AC97_BC_16BIT_ADC 0x0000 /* 16-bit ADC resolution */ #define AC97_BC_18BIT_ADC 0x0100 /* 18-bit ADC resolution */ #define AC97_BC_20BIT_ADC 0x0200 /* 20-bit ADC resolution */ #define AC97_BC_ADC_MASK 0x0300 #define AC97_BC_3D_TECH_ID_MASK 0x7c00 /* Per-vendor ID of 3D enhancement */ /* general purpose */ #define AC97_GP_DRSS_MASK 0x0c00 /* double rate slot select */ #define AC97_GP_DRSS_1011 0x0000 /* LR(C) 10+11(+12) */ #define AC97_GP_DRSS_78 0x0400 /* LR 7+8 */ /* powerdown bits */ #define AC97_PD_ADC_STATUS 0x0001 /* ADC status (RO) */ #define AC97_PD_DAC_STATUS 0x0002 /* DAC status (RO) */ #define AC97_PD_MIXER_STATUS 0x0004 /* Analog mixer status (RO) */ #define AC97_PD_VREF_STATUS 0x0008 /* Vref status (RO) */ #define AC97_PD_PR0 0x0100 /* Power down PCM ADCs and input MUX */ #define AC97_PD_PR1 0x0200 /* Power down PCM front DAC */ #define AC97_PD_PR2 0x0400 /* Power down Mixer (Vref still on) */ #define AC97_PD_PR3 0x0800 /* Power down Mixer (Vref off) */ #define AC97_PD_PR4 0x1000 /* Power down AC-Link */ #define AC97_PD_PR5 0x2000 /* Disable internal clock usage */ #define AC97_PD_PR6 0x4000 /* Headphone amplifier */ #define AC97_PD_EAPD 0x8000 /* External Amplifer Power Down (EAPD) */ /* extended audio ID bit defines */ #define AC97_EI_VRA 0x0001 /* Variable bit rate supported */ #define AC97_EI_DRA 0x0002 /* Double rate supported */ #define AC97_EI_SPDIF 0x0004 /* S/PDIF out supported */ #define AC97_EI_VRM 0x0008 /* Variable bit rate supported for MIC */ #define AC97_EI_DACS_SLOT_MASK 0x0030 /* DACs slot assignment */ #define AC97_EI_DACS_SLOT_SHIFT 4 #define AC97_EI_CDAC 0x0040 /* PCM Center DAC available */ #define AC97_EI_SDAC 0x0080 /* PCM Surround DACs available */ #define AC97_EI_LDAC 0x0100 /* PCM LFE DAC available */ #define AC97_EI_AMAP 0x0200 /* indicates optional slot/DAC mapping based on codec ID */ #define AC97_EI_REV_MASK 0x0c00 /* AC'97 revision mask */ #define AC97_EI_REV_22 0x0400 /* AC'97 revision 2.2 */ #define AC97_EI_REV_23 0x0800 /* AC'97 revision 2.3 */ #define AC97_EI_REV_SHIFT 10 #define AC97_EI_ADDR_MASK 0xc000 /* physical codec ID (address) */ #define AC97_EI_ADDR_SHIFT 14 /* extended audio status and control bit defines */ #define AC97_EA_VRA 0x0001 /* Variable bit rate enable bit */ #define AC97_EA_DRA 0x0002 /* Double-rate audio enable bit */ #define AC97_EA_SPDIF 0x0004 /* S/PDIF out enable bit */ #define AC97_EA_VRM 0x0008 /* Variable bit rate for MIC enable bit */ #define AC97_EA_SPSA_SLOT_MASK 0x0030 /* Mask for slot assignment bits */ #define AC97_EA_SPSA_SLOT_SHIFT 4 #define AC97_EA_SPSA_3_4 0x0000 /* Slot assigned to 3 & 4 */ #define AC97_EA_SPSA_7_8 0x0010 /* Slot assigned to 7 & 8 */ #define AC97_EA_SPSA_6_9 0x0020 /* Slot assigned to 6 & 9 */ #define AC97_EA_SPSA_10_11 0x0030 /* Slot assigned to 10 & 11 */ #define AC97_EA_CDAC 0x0040 /* PCM Center DAC is ready (Read only) */ #define AC97_EA_SDAC 0x0080 /* PCM Surround DACs are ready (Read only) */ #define AC97_EA_LDAC 0x0100 /* PCM LFE DAC is ready (Read only) */ #define AC97_EA_MDAC 0x0200 /* MIC ADC is ready (Read only) */ #define AC97_EA_SPCV 0x0400 /* S/PDIF configuration valid (Read only) */ #define AC97_EA_PRI 0x0800 /* Turns the PCM Center DAC off */ #define AC97_EA_PRJ 0x1000 /* Turns the PCM Surround DACs off */ #define AC97_EA_PRK 0x2000 /* Turns the PCM LFE DAC off */ #define AC97_EA_PRL 0x4000 /* Turns the MIC ADC off */ /* S/PDIF control bit defines */ #define AC97_SC_PRO 0x0001 /* Professional status */ #define AC97_SC_NAUDIO 0x0002 /* Non audio stream */ #define AC97_SC_COPY 0x0004 /* Copyright status */ #define AC97_SC_PRE 0x0008 /* Preemphasis status */ #define AC97_SC_CC_MASK 0x07f0 /* Category Code mask */ #define AC97_SC_CC_SHIFT 4 #define AC97_SC_L 0x0800 /* Generation Level status */ #define AC97_SC_SPSR_MASK 0x3000 /* S/PDIF Sample Rate bits */ #define AC97_SC_SPSR_SHIFT 12 #define AC97_SC_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ #define AC97_SC_SPSR_48K 0x2000 /* Use 48kHz Sample rate */ #define AC97_SC_SPSR_32K 0x3000 /* Use 32kHz Sample rate */ #define AC97_SC_DRS 0x4000 /* Double Rate S/PDIF */ #define AC97_SC_V 0x8000 /* Validity status */ /* Interrupt and Paging bit defines (AC'97 2.3) */ #define AC97_PAGE_MASK 0x000f /* Page Selector */ #define AC97_PAGE_VENDOR 0 /* Vendor-specific registers */ #define AC97_PAGE_1 1 /* Extended Codec Registers page 1 */ #define AC97_INT_ENABLE 0x0800 /* Interrupt Enable */ #define AC97_INT_SENSE 0x1000 /* Sense Cycle */ #define AC97_INT_CAUSE_SENSE 0x2000 /* Sense Cycle Completed (RO) */ #define AC97_INT_CAUSE_GPIO 0x4000 /* GPIO bits changed (RO) */ #define AC97_INT_STATUS 0x8000 /* Interrupt Status */ /* extended modem ID bit defines */ #define AC97_MEI_LINE1 0x0001 /* Line1 present */ #define AC97_MEI_LINE2 0x0002 /* Line2 present */ #define AC97_MEI_HANDSET 0x0004 /* Handset present */ #define AC97_MEI_CID1 0x0008 /* caller ID decode for Line1 is supported */ #define AC97_MEI_CID2 0x0010 /* caller ID decode for Line2 is supported */ #define AC97_MEI_ADDR_MASK 0xc000 /* physical codec ID (address) */ #define AC97_MEI_ADDR_SHIFT 14 /* extended modem status and control bit defines */ #define AC97_MEA_GPIO 0x0001 /* GPIO is ready (ro) */ #define AC97_MEA_MREF 0x0002 /* Vref is up to nominal level (ro) */ #define AC97_MEA_ADC1 0x0004 /* ADC1 operational (ro) */ #define AC97_MEA_DAC1 0x0008 /* DAC1 operational (ro) */ #define AC97_MEA_ADC2 0x0010 /* ADC2 operational (ro) */ #define AC97_MEA_DAC2 0x0020 /* DAC2 operational (ro) */ #define AC97_MEA_HADC 0x0040 /* HADC operational (ro) */ #define AC97_MEA_HDAC 0x0080 /* HDAC operational (ro) */ #define AC97_MEA_PRA 0x0100 /* GPIO power down (high) */ #define AC97_MEA_PRB 0x0200 /* reserved */ #define AC97_MEA_PRC 0x0400 /* ADC1 power down (high) */ #define AC97_MEA_PRD 0x0800 /* DAC1 power down (high) */ #define AC97_MEA_PRE 0x1000 /* ADC2 power down (high) */ #define AC97_MEA_PRF 0x2000 /* DAC2 power down (high) */ #define AC97_MEA_PRG 0x4000 /* HADC power down (high) */ #define AC97_MEA_PRH 0x8000 /* HDAC power down (high) */ /* modem gpio status defines */ #define AC97_GPIO_LINE1_OH 0x0001 /* Off Hook Line1 */ #define AC97_GPIO_LINE1_RI 0x0002 /* Ring Detect Line1 */ #define AC97_GPIO_LINE1_CID 0x0004 /* Caller ID path enable Line1 */ #define AC97_GPIO_LINE1_LCS 0x0008 /* Loop Current Sense Line1 */ #define AC97_GPIO_LINE1_PULSE 0x0010 /* Opt./ Pulse Dial Line1 (out) */ #define AC97_GPIO_LINE1_HL1R 0x0020 /* Opt./ Handset to Line1 relay control (out) */ #define AC97_GPIO_LINE1_HOHD 0x0040 /* Opt./ Handset off hook detect Line1 (in) */ #define AC97_GPIO_LINE12_AC 0x0080 /* Opt./ Int.bit 1 / Line1/2 AC (out) */ #define AC97_GPIO_LINE12_DC 0x0100 /* Opt./ Int.bit 2 / Line1/2 DC (out) */ #define AC97_GPIO_LINE12_RS 0x0200 /* Opt./ Int.bit 3 / Line1/2 RS (out) */ #define AC97_GPIO_LINE2_OH 0x0400 /* Off Hook Line2 */ #define AC97_GPIO_LINE2_RI 0x0800 /* Ring Detect Line2 */ #define AC97_GPIO_LINE2_CID 0x1000 /* Caller ID path enable Line2 */ #define AC97_GPIO_LINE2_LCS 0x2000 /* Loop Current Sense Line2 */ #define AC97_GPIO_LINE2_PULSE 0x4000 /* Opt./ Pulse Dial Line2 (out) */ #define AC97_GPIO_LINE2_HL1R 0x8000 /* Opt./ Handset to Line2 relay control (out) */ /* specific - SigmaTel */ #define AC97_SIGMATEL_OUTSEL 0x64 /* Output Select, STAC9758 */ #define AC97_SIGMATEL_INSEL 0x66 /* Input Select, STAC9758 */ #define AC97_SIGMATEL_IOMISC 0x68 /* STAC9758 */ #define AC97_SIGMATEL_ANALOG 0x6c /* Analog Special */ #define AC97_SIGMATEL_DAC2INVERT 0x6e #define AC97_SIGMATEL_BIAS1 0x70 #define AC97_SIGMATEL_BIAS2 0x72 #define AC97_SIGMATEL_VARIOUS 0x72 /* STAC9758 */ #define AC97_SIGMATEL_MULTICHN 0x74 /* Multi-Channel programming */ #define AC97_SIGMATEL_CIC1 0x76 #define AC97_SIGMATEL_CIC2 0x78 /* specific - Analog Devices */ #define AC97_AD_TEST 0x5a /* test register */ #define AC97_AD_TEST2 0x5c /* undocumented test register 2 */ #define AC97_AD_HPFD_SHIFT 12 /* High Pass Filter Disable */ #define AC97_AD_CODEC_CFG 0x70 /* codec configuration */ #define AC97_AD_JACK_SPDIF 0x72 /* Jack Sense & S/PDIF */ #define AC97_AD_SERIAL_CFG 0x74 /* Serial Configuration */ #define AC97_AD_MISC 0x76 /* Misc Control Bits */ #define AC97_AD_VREFD_SHIFT 2 /* V_REFOUT Disable (AD1888) */ /* specific - Cirrus Logic */ #define AC97_CSR_ACMODE 0x5e /* AC Mode Register */ #define AC97_CSR_MISC_CRYSTAL 0x60 /* Misc Crystal Control */ #define AC97_CSR_SPDIF 0x68 /* S/PDIF Register */ #define AC97_CSR_SERIAL 0x6a /* Serial Port Control */ #define AC97_CSR_SPECF_ADDR 0x6c /* Special Feature Address */ #define AC97_CSR_SPECF_DATA 0x6e /* Special Feature Data */ #define AC97_CSR_BDI_STATUS 0x7a /* BDI Status */ /* specific - Conexant */ #define AC97_CXR_AUDIO_MISC 0x5c #define AC97_CXR_SPDIFEN (1<<3) #define AC97_CXR_COPYRGT (1<<2) #define AC97_CXR_SPDIF_MASK (3<<0) #define AC97_CXR_SPDIF_PCM 0x0 #define AC97_CXR_SPDIF_AC3 0x2 /* specific - ALC */ #define AC97_ALC650_SPDIF_INPUT_STATUS1 0x60 /* S/PDIF input status 1 bit defines */ #define AC97_ALC650_PRO 0x0001 /* Professional status */ #define AC97_ALC650_NAUDIO 0x0002 /* Non audio stream */ #define AC97_ALC650_COPY 0x0004 /* Copyright status */ #define AC97_ALC650_PRE 0x0038 /* Preemphasis status */ #define AC97_ALC650_PRE_SHIFT 3 #define AC97_ALC650_MODE 0x00C0 /* Preemphasis status */ #define AC97_ALC650_MODE_SHIFT 6 #define AC97_ALC650_CC_MASK 0x7f00 /* Category Code mask */ #define AC97_ALC650_CC_SHIFT 8 #define AC97_ALC650_L 0x8000 /* Generation Level status */ #define AC97_ALC650_SPDIF_INPUT_STATUS2 0x62 /* S/PDIF input status 2 bit defines */ #define AC97_ALC650_SOUCE_MASK 0x000f /* Source number */ #define AC97_ALC650_CHANNEL_MASK 0x00f0 /* Channel number */ #define AC97_ALC650_CHANNEL_SHIFT 4 #define AC97_ALC650_SPSR_MASK 0x0f00 /* S/PDIF Sample Rate bits */ #define AC97_ALC650_SPSR_SHIFT 8 #define AC97_ALC650_SPSR_44K 0x0000 /* Use 44.1kHz Sample rate */ #define AC97_ALC650_SPSR_48K 0x0200 /* Use 48kHz Sample rate */ #define AC97_ALC650_SPSR_32K 0x0300 /* Use 32kHz Sample rate */ #define AC97_ALC650_CLOCK_ACCURACY 0x3000 /* Clock accuracy */ #define AC97_ALC650_CLOCK_SHIFT 12 #define AC97_ALC650_CLOCK_LOCK 0x4000 /* Clock locked status */ #define AC97_ALC650_V 0x8000 /* Validity status */ #define AC97_ALC650_SURR_DAC_VOL 0x64 #define AC97_ALC650_LFE_DAC_VOL 0x66 #define AC97_ALC650_UNKNOWN1 0x68 #define AC97_ALC650_MULTICH 0x6a #define AC97_ALC650_UNKNOWN2 0x6c #define AC97_ALC650_REVISION 0x6e #define AC97_ALC650_UNKNOWN3 0x70 #define AC97_ALC650_UNKNOWN4 0x72 #define AC97_ALC650_MISC 0x74 #define AC97_ALC650_GPIO_SETUP 0x76 #define AC97_ALC650_GPIO_STATUS 0x78 #define AC97_ALC650_CLOCK 0x7a /* specific - Yamaha YMF7x3 */ #define AC97_YMF7X3_DIT_CTRL 0x66 /* DIT Control (YMF743) / 2 (YMF753) */ #define AC97_YMF7X3_3D_MODE_SEL 0x68 /* 3D Mode Select */ /* specific - C-Media */ #define AC97_CM9738_VENDOR_CTRL 0x5a #define AC97_CM9739_MULTI_CHAN 0x64 #define AC97_CM9739_SPDIF_IN_STATUS 0x68 /* 32bit */ #define AC97_CM9739_SPDIF_CTRL 0x6c /* specific - wolfson */ #define AC97_WM97XX_FMIXER_VOL 0x72 #define AC97_WM9704_RMIXER_VOL 0x74 #define AC97_WM9704_TEST 0x5a #define AC97_WM9704_RPCM_VOL 0x70 #define AC97_WM9711_OUT3VOL 0x16 /* ac97->scaps */ #define AC97_SCAP_AUDIO (1<<0) /* audio codec 97 */ #define AC97_SCAP_MODEM (1<<1) /* modem codec 97 */ #define AC97_SCAP_SURROUND_DAC (1<<2) /* surround L&R DACs are present */ #define AC97_SCAP_CENTER_LFE_DAC (1<<3) /* center and LFE DACs are present */ #define AC97_SCAP_SKIP_AUDIO (1<<4) /* skip audio part of codec */ #define AC97_SCAP_SKIP_MODEM (1<<5) /* skip modem part of codec */ #define AC97_SCAP_INDEP_SDIN (1<<6) /* independent SDIN */ #define AC97_SCAP_INV_EAPD (1<<7) /* inverted EAPD */ #define AC97_SCAP_DETECT_BY_VENDOR (1<<8) /* use vendor registers for read tests */ #define AC97_SCAP_NO_SPDIF (1<<9) /* don't build SPDIF controls */ #define AC97_SCAP_EAPD_LED (1<<10) /* EAPD as mute LED */ #define AC97_SCAP_POWER_SAVE (1<<11) /* capable for aggressive power-saving */ /* ac97->flags */ #define AC97_HAS_PC_BEEP (1<<0) /* force PC Speaker usage */ #define AC97_AD_MULTI (1<<1) /* Analog Devices - multi codecs */ #define AC97_CS_SPDIF (1<<2) /* Cirrus Logic uses funky SPDIF */ #define AC97_CX_SPDIF (1<<3) /* Conexant's spdif interface */ #define AC97_STEREO_MUTES (1<<4) /* has stereo mute bits */ #define AC97_DOUBLE_RATE (1<<5) /* supports double rate playback */ #define AC97_HAS_NO_MASTER_VOL (1<<6) /* no Master volume */ #define AC97_HAS_NO_PCM_VOL (1<<7) /* no PCM volume */ #define AC97_DEFAULT_POWER_OFF (1<<8) /* no RESET write */ #define AC97_MODEM_PATCH (1<<9) /* modem patch */ #define AC97_HAS_NO_REC_GAIN (1<<10) /* no Record gain */ #define AC97_HAS_NO_PHONE (1<<11) /* no PHONE volume */ #define AC97_HAS_NO_PC_BEEP (1<<12) /* no PC Beep volume */ #define AC97_HAS_NO_VIDEO (1<<13) /* no Video volume */ #define AC97_HAS_NO_CD (1<<14) /* no CD volume */ #define AC97_HAS_NO_MIC (1<<15) /* no MIC volume */ #define AC97_HAS_NO_TONE (1<<16) /* no Tone volume */ #define AC97_HAS_NO_STD_PCM (1<<17) /* no standard AC97 PCM volume and mute */ #define AC97_HAS_NO_AUX (1<<18) /* no standard AC97 AUX volume and mute */ #define AC97_HAS_8CH (1<<19) /* supports 8-channel output */ /* rates indexes */ #define AC97_RATES_FRONT_DAC 0 #define AC97_RATES_SURR_DAC 1 #define AC97_RATES_LFE_DAC 2 #define AC97_RATES_ADC 3 #define AC97_RATES_MIC_ADC 4 #define AC97_RATES_SPDIF 5 /* * */ struct snd_ac97; struct snd_pcm_chmap; struct snd_ac97_build_ops { int (*build_3d) (struct snd_ac97 *ac97); int (*build_specific) (struct snd_ac97 *ac97); int (*build_spdif) (struct snd_ac97 *ac97); int (*build_post_spdif) (struct snd_ac97 *ac97); #ifdef CONFIG_PM void (*suspend) (struct snd_ac97 *ac97); void (*resume) (struct snd_ac97 *ac97); #endif void (*update_jacks) (struct snd_ac97 *ac97); /* for jack-sharing */ }; struct snd_ac97_bus_ops { void (*reset) (struct snd_ac97 *ac97); void (*warm_reset)(struct snd_ac97 *ac97); void (*write) (struct snd_ac97 *ac97, unsigned short reg, unsigned short val); unsigned short (*read) (struct snd_ac97 *ac97, unsigned short reg); void (*wait) (struct snd_ac97 *ac97); void (*init) (struct snd_ac97 *ac97); }; struct snd_ac97_bus { /* -- lowlevel (hardware) driver specific -- */ struct snd_ac97_bus_ops *ops; void *private_data; void (*private_free) (struct snd_ac97_bus *bus); /* --- */ struct snd_card *card; unsigned short num; /* bus number */ unsigned short no_vra: 1, /* bridge doesn't support VRA */ dra: 1, /* bridge supports double rate */ isdin: 1;/* independent SDIN */ unsigned int clock; /* AC'97 base clock (usually 48000Hz) */ spinlock_t bus_lock; /* used mainly for slot allocation */ unsigned short used_slots[2][4]; /* actually used PCM slots */ unsigned short pcms_count; /* count of PCMs */ struct ac97_pcm *pcms; struct snd_ac97 *codec[4]; struct snd_info_entry *proc; }; /* static resolution table */ struct snd_ac97_res_table { unsigned short reg; /* register */ unsigned short bits; /* resolution bitmask */ }; struct snd_ac97_template { void *private_data; void (*private_free) (struct snd_ac97 *ac97); struct pci_dev *pci; /* assigned PCI device - used for quirks */ unsigned short num; /* number of codec: 0 = primary, 1 = secondary */ unsigned short addr; /* physical address of codec [0-3] */ unsigned int scaps; /* driver capabilities */ const struct snd_ac97_res_table *res_table; /* static resolution */ }; struct snd_ac97 { /* -- lowlevel (hardware) driver specific -- */ const struct snd_ac97_build_ops *build_ops; void *private_data; void (*private_free) (struct snd_ac97 *ac97); /* --- */ struct snd_ac97_bus *bus; struct pci_dev *pci; /* assigned PCI device - used for quirks */ struct snd_info_entry *proc; struct snd_info_entry *proc_regs; unsigned short subsystem_vendor; unsigned short subsystem_device; struct mutex reg_mutex; struct mutex page_mutex; /* mutex for AD18xx multi-codecs and paging (2.3) */ unsigned short num; /* number of codec: 0 = primary, 1 = secondary */ unsigned short addr; /* physical address of codec [0-3] */ unsigned int id; /* identification of codec */ unsigned short caps; /* capabilities (register 0) */ unsigned short ext_id; /* extended feature identification (register 28) */ unsigned short ext_mid; /* extended modem ID (register 3C) */ const struct snd_ac97_res_table *res_table; /* static resolution */ unsigned int scaps; /* driver capabilities */ unsigned int flags; /* specific code */ unsigned int rates[6]; /* see AC97_RATES_* defines */ unsigned int spdif_status; unsigned short regs[0x80]; /* register cache */ DECLARE_BITMAP(reg_accessed, 0x80); /* bit flags */ union { /* vendor specific code */ struct { unsigned short unchained[3]; // 0 = C34, 1 = C79, 2 = C69 unsigned short chained[3]; // 0 = C34, 1 = C79, 2 = C69 unsigned short id[3]; // codec IDs (lower 16-bit word) unsigned short pcmreg[3]; // PCM registers unsigned short codec_cfg[3]; // CODEC_CFG bits unsigned char swap_mic_linein; // AD1986/AD1986A only unsigned char lo_as_master; /* LO as master */ } ad18xx; unsigned int dev_flags; /* device specific */ } spec; /* jack-sharing info */ unsigned char indep_surround; unsigned char channel_mode; #ifdef CONFIG_SND_AC97_POWER_SAVE unsigned int power_up; /* power states */ struct delayed_work power_work; #endif struct device dev; struct snd_pcm_chmap *chmaps[2]; /* channel-maps (optional) */ }; #define to_ac97_t(d) container_of(d, struct snd_ac97, dev) /* conditions */ static inline int ac97_is_audio(struct snd_ac97 * ac97) { return (ac97->scaps & AC97_SCAP_AUDIO); } static inline int ac97_is_modem(struct snd_ac97 * ac97) { return (ac97->scaps & AC97_SCAP_MODEM); } static inline int ac97_is_rev22(struct snd_ac97 * ac97) { return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22; } static inline int ac97_can_amap(struct snd_ac97 * ac97) { return (ac97->ext_id & AC97_EI_AMAP) != 0; } static inline int ac97_can_spdif(struct snd_ac97 * ac97) { return (ac97->ext_id & AC97_EI_SPDIF) != 0; } /* functions */ /* create new AC97 bus */ int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, void *private_data, struct snd_ac97_bus **rbus); /* create mixer controls */ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97); const char *snd_ac97_get_short_name(struct snd_ac97 *ac97); void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg); void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value); int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value); #ifdef CONFIG_SND_AC97_POWER_SAVE int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup); #else static inline int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) { return 0; } #endif #ifdef CONFIG_PM void snd_ac97_suspend(struct snd_ac97 *ac97); void snd_ac97_resume(struct snd_ac97 *ac97); #endif int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id, unsigned int id_mask); /* quirk types */ enum { AC97_TUNE_DEFAULT = -1, /* use default from quirk list (not valid in list) */ AC97_TUNE_NONE = 0, /* nothing extra to do */ AC97_TUNE_HP_ONLY, /* headphone (true line-out) control as master only */ AC97_TUNE_SWAP_HP, /* swap headphone and master controls */ AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */ AC97_TUNE_AD_SHARING, /* for AD1985, turn on OMS bit and use headphone */ AC97_TUNE_ALC_JACK, /* for Realtek, enable JACK detection */ AC97_TUNE_INV_EAPD, /* inverted EAPD implementation */ AC97_TUNE_MUTE_LED, /* EAPD bit works as mute LED */ AC97_TUNE_HP_MUTE_LED, /* EAPD bit works as mute LED, use headphone control as master */ }; struct ac97_quirk { unsigned short subvendor; /* PCI subsystem vendor id */ unsigned short subdevice; /* PCI subsystem device id */ unsigned short mask; /* device id bit mask, 0 = accept all */ unsigned int codec_id; /* codec id (if any), 0 = accept all */ const char *name; /* name shown as info */ int type; /* quirk type above */ }; int snd_ac97_tune_hardware(struct snd_ac97 *ac97, const struct ac97_quirk *quirk, const char *override); int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate); /* * PCM allocation */ enum ac97_pcm_cfg { AC97_PCM_CFG_FRONT = 2, AC97_PCM_CFG_REAR = 10, /* alias surround */ AC97_PCM_CFG_LFE = 11, /* center + lfe */ AC97_PCM_CFG_40 = 4, /* front + rear */ AC97_PCM_CFG_51 = 6, /* front + rear + center/lfe */ AC97_PCM_CFG_SPDIF = 20 }; struct ac97_pcm { struct snd_ac97_bus *bus; unsigned int stream: 1, /* stream type: 1 = capture */ exclusive: 1, /* exclusive mode, don't override with other pcms */ copy_flag: 1, /* lowlevel driver must fill all entries */ spdif: 1; /* spdif pcm */ unsigned short aslots; /* active slots */ unsigned short cur_dbl; /* current double-rate state */ unsigned int rates; /* available rates */ struct { unsigned short slots; /* driver input: requested AC97 slot numbers */ unsigned short rslots[4]; /* allocated slots per codecs */ unsigned char rate_table[4]; struct snd_ac97 *codec[4]; /* allocated codecs */ } r[2]; /* 0 = standard rates, 1 = double rates */ unsigned long private_value; /* used by the hardware driver */ }; int snd_ac97_pcm_assign(struct snd_ac97_bus *ac97, unsigned short pcms_count, const struct ac97_pcm *pcms); int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate, enum ac97_pcm_cfg cfg, unsigned short slots); int snd_ac97_pcm_close(struct ac97_pcm *pcm); int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime); /* ad hoc AC97 device driver access */ extern struct bus_type ac97_bus_type; /* AC97 platform_data adding function */ static inline void snd_ac97_dev_add_pdata(struct snd_ac97 *ac97, void *data) { ac97->dev.platform_data = data; } #endif /* __SOUND_AC97_CODEC_H */