LCOV - code coverage report
Current view: top level - include/sound - ac97_codec.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 4 0.0 %
Date: 2014-02-18 Functions: 0 0 -
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : #ifndef __SOUND_AC97_CODEC_H
       2                 :            : #define __SOUND_AC97_CODEC_H
       3                 :            : 
       4                 :            : /*
       5                 :            :  *  Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/workqueue.h>
      31                 :            : #include <sound/pcm.h>
      32                 :            : #include <sound/control.h>
      33                 :            : #include <sound/info.h>
      34                 :            : 
      35                 :            : /* maximum number of devices on the AC97 bus */
      36                 :            : #define AC97_BUS_MAX_DEVICES    4
      37                 :            : 
      38                 :            : /*
      39                 :            :  *  AC'97 codec registers
      40                 :            :  */
      41                 :            : 
      42                 :            : #define AC97_RESET              0x00    /* Reset */
      43                 :            : #define AC97_MASTER             0x02    /* Master Volume */
      44                 :            : #define AC97_HEADPHONE          0x04    /* Headphone Volume (optional) */
      45                 :            : #define AC97_MASTER_MONO        0x06    /* Master Volume Mono (optional) */
      46                 :            : #define AC97_MASTER_TONE        0x08    /* Master Tone (Bass & Treble) (optional) */
      47                 :            : #define AC97_PC_BEEP            0x0a    /* PC Beep Volume (optinal) */
      48                 :            : #define AC97_PHONE              0x0c    /* Phone Volume (optional) */
      49                 :            : #define AC97_MIC                0x0e    /* MIC Volume */
      50                 :            : #define AC97_LINE               0x10    /* Line In Volume */
      51                 :            : #define AC97_CD                 0x12    /* CD Volume */
      52                 :            : #define AC97_VIDEO              0x14    /* Video Volume (optional) */
      53                 :            : #define AC97_AUX                0x16    /* AUX Volume (optional) */
      54                 :            : #define AC97_PCM                0x18    /* PCM Volume */
      55                 :            : #define AC97_REC_SEL            0x1a    /* Record Select */
      56                 :            : #define AC97_REC_GAIN           0x1c    /* Record Gain */
      57                 :            : #define AC97_REC_GAIN_MIC       0x1e    /* Record Gain MIC (optional) */
      58                 :            : #define AC97_GENERAL_PURPOSE    0x20    /* General Purpose (optional) */
      59                 :            : #define AC97_3D_CONTROL         0x22    /* 3D Control (optional) */
      60                 :            : #define AC97_INT_PAGING         0x24    /* Audio Interrupt & Paging (AC'97 2.3) */
      61                 :            : #define AC97_POWERDOWN          0x26    /* Powerdown control / status */
      62                 :            : /* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */
      63                 :            : #define AC97_EXTENDED_ID        0x28    /* Extended Audio ID */
      64                 :            : #define AC97_EXTENDED_STATUS    0x2a    /* Extended Audio Status and Control */
      65                 :            : #define AC97_PCM_FRONT_DAC_RATE 0x2c    /* PCM Front DAC Rate */
      66                 :            : #define AC97_PCM_SURR_DAC_RATE  0x2e    /* PCM Surround DAC Rate */
      67                 :            : #define AC97_PCM_LFE_DAC_RATE   0x30    /* PCM LFE DAC Rate */
      68                 :            : #define AC97_PCM_LR_ADC_RATE    0x32    /* PCM LR ADC Rate */
      69                 :            : #define AC97_PCM_MIC_ADC_RATE   0x34    /* PCM MIC ADC Rate */
      70                 :            : #define AC97_CENTER_LFE_MASTER  0x36    /* Center + LFE Master Volume */
      71                 :            : #define AC97_SURROUND_MASTER    0x38    /* Surround (Rear) Master Volume */
      72                 :            : #define AC97_SPDIF              0x3a    /* S/PDIF control */
      73                 :            : /* range 0x3c-0x58 - MODEM */
      74                 :            : #define AC97_EXTENDED_MID       0x3c    /* Extended Modem ID */
      75                 :            : #define AC97_EXTENDED_MSTATUS   0x3e    /* Extended Modem Status and Control */
      76                 :            : #define AC97_LINE1_RATE         0x40    /* Line1 DAC/ADC Rate */
      77                 :            : #define AC97_LINE2_RATE         0x42    /* Line2 DAC/ADC Rate */
      78                 :            : #define AC97_HANDSET_RATE       0x44    /* Handset DAC/ADC Rate */
      79                 :            : #define AC97_LINE1_LEVEL        0x46    /* Line1 DAC/ADC Level */
      80                 :            : #define AC97_LINE2_LEVEL        0x48    /* Line2 DAC/ADC Level */
      81                 :            : #define AC97_HANDSET_LEVEL      0x4a    /* Handset DAC/ADC Level */
      82                 :            : #define AC97_GPIO_CFG           0x4c    /* GPIO Configuration */
      83                 :            : #define AC97_GPIO_POLARITY      0x4e    /* GPIO Pin Polarity/Type, 0=low, 1=high active */
      84                 :            : #define AC97_GPIO_STICKY        0x50    /* GPIO Pin Sticky, 0=not, 1=sticky */
      85                 :            : #define AC97_GPIO_WAKEUP        0x52    /* GPIO Pin Wakeup, 0=no int, 1=yes int */
      86                 :            : #define AC97_GPIO_STATUS        0x54    /* GPIO Pin Status, slot 12 */
      87                 :            : #define AC97_MISC_AFE           0x56    /* Miscellaneous Modem AFE Status and Control */
      88                 :            : /* range 0x5a-0x7b - Vendor Specific */
      89                 :            : #define AC97_VENDOR_ID1         0x7c    /* Vendor ID1 */
      90                 :            : #define AC97_VENDOR_ID2         0x7e    /* Vendor ID2 / revision */
      91                 :            : /* range 0x60-0x6f (page 1) - extended codec registers */
      92                 :            : #define AC97_CODEC_CLASS_REV    0x60    /* Codec Class/Revision */
      93                 :            : #define AC97_PCI_SVID           0x62    /* PCI Subsystem Vendor ID */
      94                 :            : #define AC97_PCI_SID            0x64    /* PCI Subsystem ID */
      95                 :            : #define AC97_FUNC_SELECT        0x66    /* Function Select */
      96                 :            : #define AC97_FUNC_INFO          0x68    /* Function Information */
      97                 :            : #define AC97_SENSE_INFO         0x6a    /* Sense Details */
      98                 :            : 
      99                 :            : /* volume controls */
     100                 :            : #define AC97_MUTE_MASK_MONO     0x8000
     101                 :            : #define AC97_MUTE_MASK_STEREO   0x8080
     102                 :            : 
     103                 :            : /* slot allocation */
     104                 :            : #define AC97_SLOT_TAG           0
     105                 :            : #define AC97_SLOT_CMD_ADDR      1
     106                 :            : #define AC97_SLOT_CMD_DATA      2
     107                 :            : #define AC97_SLOT_PCM_LEFT      3
     108                 :            : #define AC97_SLOT_PCM_RIGHT     4
     109                 :            : #define AC97_SLOT_MODEM_LINE1   5
     110                 :            : #define AC97_SLOT_PCM_CENTER    6
     111                 :            : #define AC97_SLOT_MIC           6       /* input */
     112                 :            : #define AC97_SLOT_SPDIF_LEFT1   6
     113                 :            : #define AC97_SLOT_PCM_SLEFT     7       /* surround left */
     114                 :            : #define AC97_SLOT_PCM_LEFT_0    7       /* double rate operation */
     115                 :            : #define AC97_SLOT_SPDIF_LEFT    7
     116                 :            : #define AC97_SLOT_PCM_SRIGHT    8       /* surround right */
     117                 :            : #define AC97_SLOT_PCM_RIGHT_0   8       /* double rate operation */
     118                 :            : #define AC97_SLOT_SPDIF_RIGHT   8
     119                 :            : #define AC97_SLOT_LFE           9
     120                 :            : #define AC97_SLOT_SPDIF_RIGHT1  9
     121                 :            : #define AC97_SLOT_MODEM_LINE2   10
     122                 :            : #define AC97_SLOT_PCM_LEFT_1    10      /* double rate operation */
     123                 :            : #define AC97_SLOT_SPDIF_LEFT2   10
     124                 :            : #define AC97_SLOT_HANDSET       11      /* output */
     125                 :            : #define AC97_SLOT_PCM_RIGHT_1   11      /* double rate operation */
     126                 :            : #define AC97_SLOT_SPDIF_RIGHT2  11
     127                 :            : #define AC97_SLOT_MODEM_GPIO    12      /* modem GPIO */
     128                 :            : #define AC97_SLOT_PCM_CENTER_1  12      /* double rate operation */
     129                 :            : 
     130                 :            : /* basic capabilities (reset register) */
     131                 :            : #define AC97_BC_DEDICATED_MIC   0x0001  /* Dedicated Mic PCM In Channel */
     132                 :            : #define AC97_BC_RESERVED1       0x0002  /* Reserved (was Modem Line Codec support) */
     133                 :            : #define AC97_BC_BASS_TREBLE     0x0004  /* Bass & Treble Control */
     134                 :            : #define AC97_BC_SIM_STEREO      0x0008  /* Simulated stereo */
     135                 :            : #define AC97_BC_HEADPHONE       0x0010  /* Headphone Out Support */
     136                 :            : #define AC97_BC_LOUDNESS        0x0020  /* Loudness (bass boost) Support */
     137                 :            : #define AC97_BC_16BIT_DAC       0x0000  /* 16-bit DAC resolution */
     138                 :            : #define AC97_BC_18BIT_DAC       0x0040  /* 18-bit DAC resolution */
     139                 :            : #define AC97_BC_20BIT_DAC       0x0080  /* 20-bit DAC resolution */
     140                 :            : #define AC97_BC_DAC_MASK        0x00c0
     141                 :            : #define AC97_BC_16BIT_ADC       0x0000  /* 16-bit ADC resolution */
     142                 :            : #define AC97_BC_18BIT_ADC       0x0100  /* 18-bit ADC resolution */
     143                 :            : #define AC97_BC_20BIT_ADC       0x0200  /* 20-bit ADC resolution */
     144                 :            : #define AC97_BC_ADC_MASK        0x0300
     145                 :            : #define AC97_BC_3D_TECH_ID_MASK 0x7c00  /* Per-vendor ID of 3D enhancement */
     146                 :            : 
     147                 :            : /* general purpose */
     148                 :            : #define AC97_GP_DRSS_MASK       0x0c00  /* double rate slot select */
     149                 :            : #define AC97_GP_DRSS_1011       0x0000  /* LR(C) 10+11(+12) */
     150                 :            : #define AC97_GP_DRSS_78         0x0400  /* LR 7+8 */
     151                 :            : 
     152                 :            : /* powerdown bits */
     153                 :            : #define AC97_PD_ADC_STATUS      0x0001  /* ADC status (RO) */
     154                 :            : #define AC97_PD_DAC_STATUS      0x0002  /* DAC status (RO) */
     155                 :            : #define AC97_PD_MIXER_STATUS    0x0004  /* Analog mixer status (RO) */
     156                 :            : #define AC97_PD_VREF_STATUS     0x0008  /* Vref status (RO) */
     157                 :            : #define AC97_PD_PR0             0x0100  /* Power down PCM ADCs and input MUX */
     158                 :            : #define AC97_PD_PR1             0x0200  /* Power down PCM front DAC */
     159                 :            : #define AC97_PD_PR2             0x0400  /* Power down Mixer (Vref still on) */
     160                 :            : #define AC97_PD_PR3             0x0800  /* Power down Mixer (Vref off) */
     161                 :            : #define AC97_PD_PR4             0x1000  /* Power down AC-Link */
     162                 :            : #define AC97_PD_PR5             0x2000  /* Disable internal clock usage */
     163                 :            : #define AC97_PD_PR6             0x4000  /* Headphone amplifier */
     164                 :            : #define AC97_PD_EAPD            0x8000  /* External Amplifer Power Down (EAPD) */
     165                 :            : 
     166                 :            : /* extended audio ID bit defines */
     167                 :            : #define AC97_EI_VRA             0x0001  /* Variable bit rate supported */
     168                 :            : #define AC97_EI_DRA             0x0002  /* Double rate supported */
     169                 :            : #define AC97_EI_SPDIF           0x0004  /* S/PDIF out supported */
     170                 :            : #define AC97_EI_VRM             0x0008  /* Variable bit rate supported for MIC */
     171                 :            : #define AC97_EI_DACS_SLOT_MASK  0x0030  /* DACs slot assignment */
     172                 :            : #define AC97_EI_DACS_SLOT_SHIFT 4
     173                 :            : #define AC97_EI_CDAC            0x0040  /* PCM Center DAC available */
     174                 :            : #define AC97_EI_SDAC            0x0080  /* PCM Surround DACs available */
     175                 :            : #define AC97_EI_LDAC            0x0100  /* PCM LFE DAC available */
     176                 :            : #define AC97_EI_AMAP            0x0200  /* indicates optional slot/DAC mapping based on codec ID */
     177                 :            : #define AC97_EI_REV_MASK        0x0c00  /* AC'97 revision mask */
     178                 :            : #define AC97_EI_REV_22          0x0400  /* AC'97 revision 2.2 */
     179                 :            : #define AC97_EI_REV_23          0x0800  /* AC'97 revision 2.3 */
     180                 :            : #define AC97_EI_REV_SHIFT       10
     181                 :            : #define AC97_EI_ADDR_MASK       0xc000  /* physical codec ID (address) */
     182                 :            : #define AC97_EI_ADDR_SHIFT      14
     183                 :            : 
     184                 :            : /* extended audio status and control bit defines */
     185                 :            : #define AC97_EA_VRA             0x0001  /* Variable bit rate enable bit */
     186                 :            : #define AC97_EA_DRA             0x0002  /* Double-rate audio enable bit */
     187                 :            : #define AC97_EA_SPDIF           0x0004  /* S/PDIF out enable bit */
     188                 :            : #define AC97_EA_VRM             0x0008  /* Variable bit rate for MIC enable bit */
     189                 :            : #define AC97_EA_SPSA_SLOT_MASK  0x0030  /* Mask for slot assignment bits */
     190                 :            : #define AC97_EA_SPSA_SLOT_SHIFT 4
     191                 :            : #define AC97_EA_SPSA_3_4        0x0000  /* Slot assigned to 3 & 4 */
     192                 :            : #define AC97_EA_SPSA_7_8        0x0010  /* Slot assigned to 7 & 8 */
     193                 :            : #define AC97_EA_SPSA_6_9        0x0020  /* Slot assigned to 6 & 9 */
     194                 :            : #define AC97_EA_SPSA_10_11      0x0030  /* Slot assigned to 10 & 11 */
     195                 :            : #define AC97_EA_CDAC            0x0040  /* PCM Center DAC is ready (Read only) */
     196                 :            : #define AC97_EA_SDAC            0x0080  /* PCM Surround DACs are ready (Read only) */
     197                 :            : #define AC97_EA_LDAC            0x0100  /* PCM LFE DAC is ready (Read only) */
     198                 :            : #define AC97_EA_MDAC            0x0200  /* MIC ADC is ready (Read only) */
     199                 :            : #define AC97_EA_SPCV            0x0400  /* S/PDIF configuration valid (Read only) */
     200                 :            : #define AC97_EA_PRI             0x0800  /* Turns the PCM Center DAC off */
     201                 :            : #define AC97_EA_PRJ             0x1000  /* Turns the PCM Surround DACs off */
     202                 :            : #define AC97_EA_PRK             0x2000  /* Turns the PCM LFE DAC off */
     203                 :            : #define AC97_EA_PRL             0x4000  /* Turns the MIC ADC off */
     204                 :            : 
     205                 :            : /* S/PDIF control bit defines */
     206                 :            : #define AC97_SC_PRO             0x0001  /* Professional status */
     207                 :            : #define AC97_SC_NAUDIO          0x0002  /* Non audio stream */
     208                 :            : #define AC97_SC_COPY            0x0004  /* Copyright status */
     209                 :            : #define AC97_SC_PRE             0x0008  /* Preemphasis status */
     210                 :            : #define AC97_SC_CC_MASK         0x07f0  /* Category Code mask */
     211                 :            : #define AC97_SC_CC_SHIFT        4
     212                 :            : #define AC97_SC_L               0x0800  /* Generation Level status */
     213                 :            : #define AC97_SC_SPSR_MASK       0x3000  /* S/PDIF Sample Rate bits */
     214                 :            : #define AC97_SC_SPSR_SHIFT      12
     215                 :            : #define AC97_SC_SPSR_44K        0x0000  /* Use 44.1kHz Sample rate */
     216                 :            : #define AC97_SC_SPSR_48K        0x2000  /* Use 48kHz Sample rate */
     217                 :            : #define AC97_SC_SPSR_32K        0x3000  /* Use 32kHz Sample rate */
     218                 :            : #define AC97_SC_DRS             0x4000  /* Double Rate S/PDIF */
     219                 :            : #define AC97_SC_V               0x8000  /* Validity status */
     220                 :            : 
     221                 :            : /* Interrupt and Paging bit defines (AC'97 2.3) */
     222                 :            : #define AC97_PAGE_MASK          0x000f  /* Page Selector */
     223                 :            : #define AC97_PAGE_VENDOR        0       /* Vendor-specific registers */
     224                 :            : #define AC97_PAGE_1             1       /* Extended Codec Registers page 1 */
     225                 :            : #define AC97_INT_ENABLE         0x0800  /* Interrupt Enable */
     226                 :            : #define AC97_INT_SENSE          0x1000  /* Sense Cycle */
     227                 :            : #define AC97_INT_CAUSE_SENSE    0x2000  /* Sense Cycle Completed (RO) */
     228                 :            : #define AC97_INT_CAUSE_GPIO     0x4000  /* GPIO bits changed (RO) */
     229                 :            : #define AC97_INT_STATUS         0x8000  /* Interrupt Status */
     230                 :            : 
     231                 :            : /* extended modem ID bit defines */
     232                 :            : #define AC97_MEI_LINE1          0x0001  /* Line1 present */
     233                 :            : #define AC97_MEI_LINE2          0x0002  /* Line2 present */
     234                 :            : #define AC97_MEI_HANDSET        0x0004  /* Handset present */
     235                 :            : #define AC97_MEI_CID1           0x0008  /* caller ID decode for Line1 is supported */
     236                 :            : #define AC97_MEI_CID2           0x0010  /* caller ID decode for Line2 is supported */
     237                 :            : #define AC97_MEI_ADDR_MASK      0xc000  /* physical codec ID (address) */
     238                 :            : #define AC97_MEI_ADDR_SHIFT     14
     239                 :            : 
     240                 :            : /* extended modem status and control bit defines */
     241                 :            : #define AC97_MEA_GPIO           0x0001  /* GPIO is ready (ro) */
     242                 :            : #define AC97_MEA_MREF           0x0002  /* Vref is up to nominal level (ro) */
     243                 :            : #define AC97_MEA_ADC1           0x0004  /* ADC1 operational (ro) */
     244                 :            : #define AC97_MEA_DAC1           0x0008  /* DAC1 operational (ro) */
     245                 :            : #define AC97_MEA_ADC2           0x0010  /* ADC2 operational (ro) */
     246                 :            : #define AC97_MEA_DAC2           0x0020  /* DAC2 operational (ro) */
     247                 :            : #define AC97_MEA_HADC           0x0040  /* HADC operational (ro) */
     248                 :            : #define AC97_MEA_HDAC           0x0080  /* HDAC operational (ro) */
     249                 :            : #define AC97_MEA_PRA            0x0100  /* GPIO power down (high) */
     250                 :            : #define AC97_MEA_PRB            0x0200  /* reserved */
     251                 :            : #define AC97_MEA_PRC            0x0400  /* ADC1 power down (high) */
     252                 :            : #define AC97_MEA_PRD            0x0800  /* DAC1 power down (high) */
     253                 :            : #define AC97_MEA_PRE            0x1000  /* ADC2 power down (high) */
     254                 :            : #define AC97_MEA_PRF            0x2000  /* DAC2 power down (high) */
     255                 :            : #define AC97_MEA_PRG            0x4000  /* HADC power down (high) */
     256                 :            : #define AC97_MEA_PRH            0x8000  /* HDAC power down (high) */
     257                 :            : 
     258                 :            : /* modem gpio status defines */
     259                 :            : #define AC97_GPIO_LINE1_OH      0x0001  /* Off Hook Line1 */
     260                 :            : #define AC97_GPIO_LINE1_RI      0x0002  /* Ring Detect Line1 */
     261                 :            : #define AC97_GPIO_LINE1_CID     0x0004  /* Caller ID path enable Line1 */
     262                 :            : #define AC97_GPIO_LINE1_LCS     0x0008  /* Loop Current Sense Line1 */
     263                 :            : #define AC97_GPIO_LINE1_PULSE   0x0010  /* Opt./ Pulse Dial Line1 (out) */
     264                 :            : #define AC97_GPIO_LINE1_HL1R    0x0020  /* Opt./ Handset to Line1 relay control (out) */
     265                 :            : #define AC97_GPIO_LINE1_HOHD    0x0040  /* Opt./ Handset off hook detect Line1 (in) */
     266                 :            : #define AC97_GPIO_LINE12_AC     0x0080  /* Opt./ Int.bit 1 / Line1/2 AC (out) */
     267                 :            : #define AC97_GPIO_LINE12_DC     0x0100  /* Opt./ Int.bit 2 / Line1/2 DC (out) */
     268                 :            : #define AC97_GPIO_LINE12_RS     0x0200  /* Opt./ Int.bit 3 / Line1/2 RS (out) */
     269                 :            : #define AC97_GPIO_LINE2_OH      0x0400  /* Off Hook Line2 */
     270                 :            : #define AC97_GPIO_LINE2_RI      0x0800  /* Ring Detect Line2 */
     271                 :            : #define AC97_GPIO_LINE2_CID     0x1000  /* Caller ID path enable Line2 */
     272                 :            : #define AC97_GPIO_LINE2_LCS     0x2000  /* Loop Current Sense Line2 */
     273                 :            : #define AC97_GPIO_LINE2_PULSE   0x4000  /* Opt./ Pulse Dial Line2 (out) */
     274                 :            : #define AC97_GPIO_LINE2_HL1R    0x8000  /* Opt./ Handset to Line2 relay control (out) */
     275                 :            : 
     276                 :            : /* specific - SigmaTel */
     277                 :            : #define AC97_SIGMATEL_OUTSEL    0x64    /* Output Select, STAC9758 */
     278                 :            : #define AC97_SIGMATEL_INSEL     0x66    /* Input Select, STAC9758 */
     279                 :            : #define AC97_SIGMATEL_IOMISC    0x68    /* STAC9758 */
     280                 :            : #define AC97_SIGMATEL_ANALOG    0x6c    /* Analog Special */
     281                 :            : #define AC97_SIGMATEL_DAC2INVERT 0x6e
     282                 :            : #define AC97_SIGMATEL_BIAS1     0x70
     283                 :            : #define AC97_SIGMATEL_BIAS2     0x72
     284                 :            : #define AC97_SIGMATEL_VARIOUS   0x72    /* STAC9758 */
     285                 :            : #define AC97_SIGMATEL_MULTICHN  0x74    /* Multi-Channel programming */
     286                 :            : #define AC97_SIGMATEL_CIC1      0x76
     287                 :            : #define AC97_SIGMATEL_CIC2      0x78
     288                 :            : 
     289                 :            : /* specific - Analog Devices */
     290                 :            : #define AC97_AD_TEST            0x5a    /* test register */
     291                 :            : #define AC97_AD_TEST2           0x5c    /* undocumented test register 2 */
     292                 :            : #define AC97_AD_HPFD_SHIFT      12      /* High Pass Filter Disable */
     293                 :            : #define AC97_AD_CODEC_CFG       0x70    /* codec configuration */
     294                 :            : #define AC97_AD_JACK_SPDIF      0x72    /* Jack Sense & S/PDIF */
     295                 :            : #define AC97_AD_SERIAL_CFG      0x74    /* Serial Configuration */
     296                 :            : #define AC97_AD_MISC            0x76    /* Misc Control Bits */
     297                 :            : #define AC97_AD_VREFD_SHIFT     2       /* V_REFOUT Disable (AD1888) */
     298                 :            : 
     299                 :            : /* specific - Cirrus Logic */
     300                 :            : #define AC97_CSR_ACMODE         0x5e    /* AC Mode Register */
     301                 :            : #define AC97_CSR_MISC_CRYSTAL   0x60    /* Misc Crystal Control */
     302                 :            : #define AC97_CSR_SPDIF          0x68    /* S/PDIF Register */
     303                 :            : #define AC97_CSR_SERIAL         0x6a    /* Serial Port Control */
     304                 :            : #define AC97_CSR_SPECF_ADDR     0x6c    /* Special Feature Address */
     305                 :            : #define AC97_CSR_SPECF_DATA     0x6e    /* Special Feature Data */
     306                 :            : #define AC97_CSR_BDI_STATUS     0x7a    /* BDI Status */
     307                 :            : 
     308                 :            : /* specific - Conexant */
     309                 :            : #define AC97_CXR_AUDIO_MISC     0x5c
     310                 :            : #define AC97_CXR_SPDIFEN        (1<<3)
     311                 :            : #define AC97_CXR_COPYRGT        (1<<2)
     312                 :            : #define AC97_CXR_SPDIF_MASK     (3<<0)
     313                 :            : #define AC97_CXR_SPDIF_PCM      0x0
     314                 :            : #define AC97_CXR_SPDIF_AC3      0x2
     315                 :            : 
     316                 :            : /* specific - ALC */
     317                 :            : #define AC97_ALC650_SPDIF_INPUT_STATUS1 0x60
     318                 :            : /* S/PDIF input status 1 bit defines */
     319                 :            : #define AC97_ALC650_PRO             0x0001  /* Professional status */
     320                 :            : #define AC97_ALC650_NAUDIO          0x0002  /* Non audio stream */
     321                 :            : #define AC97_ALC650_COPY            0x0004  /* Copyright status */
     322                 :            : #define AC97_ALC650_PRE             0x0038  /* Preemphasis status */
     323                 :            : #define AC97_ALC650_PRE_SHIFT       3
     324                 :            : #define AC97_ALC650_MODE            0x00C0  /* Preemphasis status */
     325                 :            : #define AC97_ALC650_MODE_SHIFT      6
     326                 :            : #define AC97_ALC650_CC_MASK         0x7f00  /* Category Code mask */
     327                 :            : #define AC97_ALC650_CC_SHIFT        8
     328                 :            : #define AC97_ALC650_L               0x8000  /* Generation Level status */
     329                 :            : 
     330                 :            : #define AC97_ALC650_SPDIF_INPUT_STATUS2 0x62
     331                 :            : /* S/PDIF input status 2 bit defines */
     332                 :            : #define AC97_ALC650_SOUCE_MASK      0x000f  /* Source number */
     333                 :            : #define AC97_ALC650_CHANNEL_MASK    0x00f0  /* Channel number */
     334                 :            : #define AC97_ALC650_CHANNEL_SHIFT   4 
     335                 :            : #define AC97_ALC650_SPSR_MASK       0x0f00  /* S/PDIF Sample Rate bits */
     336                 :            : #define AC97_ALC650_SPSR_SHIFT      8
     337                 :            : #define AC97_ALC650_SPSR_44K        0x0000  /* Use 44.1kHz Sample rate */
     338                 :            : #define AC97_ALC650_SPSR_48K        0x0200  /* Use 48kHz Sample rate */
     339                 :            : #define AC97_ALC650_SPSR_32K        0x0300  /* Use 32kHz Sample rate */
     340                 :            : #define AC97_ALC650_CLOCK_ACCURACY  0x3000  /* Clock accuracy */
     341                 :            : #define AC97_ALC650_CLOCK_SHIFT     12
     342                 :            : #define AC97_ALC650_CLOCK_LOCK      0x4000  /* Clock locked status */
     343                 :            : #define AC97_ALC650_V               0x8000  /* Validity status */
     344                 :            : 
     345                 :            : #define AC97_ALC650_SURR_DAC_VOL        0x64
     346                 :            : #define AC97_ALC650_LFE_DAC_VOL         0x66
     347                 :            : #define AC97_ALC650_UNKNOWN1            0x68
     348                 :            : #define AC97_ALC650_MULTICH             0x6a
     349                 :            : #define AC97_ALC650_UNKNOWN2            0x6c
     350                 :            : #define AC97_ALC650_REVISION            0x6e
     351                 :            : #define AC97_ALC650_UNKNOWN3            0x70
     352                 :            : #define AC97_ALC650_UNKNOWN4            0x72
     353                 :            : #define AC97_ALC650_MISC                0x74
     354                 :            : #define AC97_ALC650_GPIO_SETUP          0x76
     355                 :            : #define AC97_ALC650_GPIO_STATUS         0x78
     356                 :            : #define AC97_ALC650_CLOCK               0x7a
     357                 :            : 
     358                 :            : /* specific - Yamaha YMF7x3 */
     359                 :            : #define AC97_YMF7X3_DIT_CTRL    0x66    /* DIT Control (YMF743) / 2 (YMF753) */
     360                 :            : #define AC97_YMF7X3_3D_MODE_SEL 0x68    /* 3D Mode Select */
     361                 :            : 
     362                 :            : /* specific - C-Media */
     363                 :            : #define AC97_CM9738_VENDOR_CTRL 0x5a
     364                 :            : #define AC97_CM9739_MULTI_CHAN  0x64
     365                 :            : #define AC97_CM9739_SPDIF_IN_STATUS     0x68 /* 32bit */
     366                 :            : #define AC97_CM9739_SPDIF_CTRL  0x6c
     367                 :            : 
     368                 :            : /* specific - wolfson */
     369                 :            : #define AC97_WM97XX_FMIXER_VOL  0x72
     370                 :            : #define AC97_WM9704_RMIXER_VOL  0x74
     371                 :            : #define AC97_WM9704_TEST        0x5a
     372                 :            : #define AC97_WM9704_RPCM_VOL    0x70
     373                 :            : #define AC97_WM9711_OUT3VOL     0x16
     374                 :            : 
     375                 :            : 
     376                 :            : /* ac97->scaps */
     377                 :            : #define AC97_SCAP_AUDIO         (1<<0)    /* audio codec 97 */
     378                 :            : #define AC97_SCAP_MODEM         (1<<1)    /* modem codec 97 */
     379                 :            : #define AC97_SCAP_SURROUND_DAC  (1<<2)    /* surround L&R DACs are present */
     380                 :            : #define AC97_SCAP_CENTER_LFE_DAC (1<<3)   /* center and LFE DACs are present */
     381                 :            : #define AC97_SCAP_SKIP_AUDIO    (1<<4)    /* skip audio part of codec */
     382                 :            : #define AC97_SCAP_SKIP_MODEM    (1<<5)    /* skip modem part of codec */
     383                 :            : #define AC97_SCAP_INDEP_SDIN    (1<<6)    /* independent SDIN */
     384                 :            : #define AC97_SCAP_INV_EAPD      (1<<7)    /* inverted EAPD */
     385                 :            : #define AC97_SCAP_DETECT_BY_VENDOR (1<<8) /* use vendor registers for read tests */
     386                 :            : #define AC97_SCAP_NO_SPDIF      (1<<9)    /* don't build SPDIF controls */
     387                 :            : #define AC97_SCAP_EAPD_LED      (1<<10)   /* EAPD as mute LED */
     388                 :            : #define AC97_SCAP_POWER_SAVE    (1<<11)   /* capable for aggressive power-saving */
     389                 :            : 
     390                 :            : /* ac97->flags */
     391                 :            : #define AC97_HAS_PC_BEEP        (1<<0)    /* force PC Speaker usage */
     392                 :            : #define AC97_AD_MULTI           (1<<1)    /* Analog Devices - multi codecs */
     393                 :            : #define AC97_CS_SPDIF           (1<<2)    /* Cirrus Logic uses funky SPDIF */
     394                 :            : #define AC97_CX_SPDIF           (1<<3)    /* Conexant's spdif interface */
     395                 :            : #define AC97_STEREO_MUTES       (1<<4)    /* has stereo mute bits */
     396                 :            : #define AC97_DOUBLE_RATE        (1<<5)    /* supports double rate playback */
     397                 :            : #define AC97_HAS_NO_MASTER_VOL  (1<<6)    /* no Master volume */
     398                 :            : #define AC97_HAS_NO_PCM_VOL     (1<<7)    /* no PCM volume */
     399                 :            : #define AC97_DEFAULT_POWER_OFF  (1<<8)    /* no RESET write */
     400                 :            : #define AC97_MODEM_PATCH        (1<<9)    /* modem patch */
     401                 :            : #define AC97_HAS_NO_REC_GAIN    (1<<10) /* no Record gain */
     402                 :            : #define AC97_HAS_NO_PHONE       (1<<11) /* no PHONE volume */
     403                 :            : #define AC97_HAS_NO_PC_BEEP     (1<<12) /* no PC Beep volume */
     404                 :            : #define AC97_HAS_NO_VIDEO       (1<<13) /* no Video volume */
     405                 :            : #define AC97_HAS_NO_CD          (1<<14) /* no CD volume */
     406                 :            : #define AC97_HAS_NO_MIC (1<<15) /* no MIC volume */
     407                 :            : #define AC97_HAS_NO_TONE        (1<<16) /* no Tone volume */
     408                 :            : #define AC97_HAS_NO_STD_PCM     (1<<17)   /* no standard AC97 PCM volume and mute */
     409                 :            : #define AC97_HAS_NO_AUX         (1<<18) /* no standard AC97 AUX volume and mute */
     410                 :            : #define AC97_HAS_8CH            (1<<19) /* supports 8-channel output */
     411                 :            : 
     412                 :            : /* rates indexes */
     413                 :            : #define AC97_RATES_FRONT_DAC    0
     414                 :            : #define AC97_RATES_SURR_DAC     1
     415                 :            : #define AC97_RATES_LFE_DAC      2
     416                 :            : #define AC97_RATES_ADC          3
     417                 :            : #define AC97_RATES_MIC_ADC      4
     418                 :            : #define AC97_RATES_SPDIF        5
     419                 :            : 
     420                 :            : /*
     421                 :            :  *
     422                 :            :  */
     423                 :            : 
     424                 :            : struct snd_ac97;
     425                 :            : struct snd_pcm_chmap;
     426                 :            : 
     427                 :            : struct snd_ac97_build_ops {
     428                 :            :         int (*build_3d) (struct snd_ac97 *ac97);
     429                 :            :         int (*build_specific) (struct snd_ac97 *ac97);
     430                 :            :         int (*build_spdif) (struct snd_ac97 *ac97);
     431                 :            :         int (*build_post_spdif) (struct snd_ac97 *ac97);
     432                 :            : #ifdef CONFIG_PM
     433                 :            :         void (*suspend) (struct snd_ac97 *ac97);
     434                 :            :         void (*resume) (struct snd_ac97 *ac97);
     435                 :            : #endif
     436                 :            :         void (*update_jacks) (struct snd_ac97 *ac97);   /* for jack-sharing */
     437                 :            : };
     438                 :            : 
     439                 :            : struct snd_ac97_bus_ops {
     440                 :            :         void (*reset) (struct snd_ac97 *ac97);
     441                 :            :         void (*warm_reset)(struct snd_ac97 *ac97);
     442                 :            :         void (*write) (struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
     443                 :            :         unsigned short (*read) (struct snd_ac97 *ac97, unsigned short reg);
     444                 :            :         void (*wait) (struct snd_ac97 *ac97);
     445                 :            :         void (*init) (struct snd_ac97 *ac97);
     446                 :            : };
     447                 :            : 
     448                 :            : struct snd_ac97_bus {
     449                 :            :         /* -- lowlevel (hardware) driver specific -- */
     450                 :            :         struct snd_ac97_bus_ops *ops;
     451                 :            :         void *private_data;
     452                 :            :         void (*private_free) (struct snd_ac97_bus *bus);
     453                 :            :         /* --- */
     454                 :            :         struct snd_card *card;
     455                 :            :         unsigned short num;     /* bus number */
     456                 :            :         unsigned short no_vra: 1, /* bridge doesn't support VRA */
     457                 :            :                        dra: 1,  /* bridge supports double rate */
     458                 :            :                        isdin: 1;/* independent SDIN */
     459                 :            :         unsigned int clock;     /* AC'97 base clock (usually 48000Hz) */
     460                 :            :         spinlock_t bus_lock;    /* used mainly for slot allocation */
     461                 :            :         unsigned short used_slots[2][4]; /* actually used PCM slots */
     462                 :            :         unsigned short pcms_count; /* count of PCMs */
     463                 :            :         struct ac97_pcm *pcms;
     464                 :            :         struct snd_ac97 *codec[4];
     465                 :            :         struct snd_info_entry *proc;
     466                 :            : };
     467                 :            : 
     468                 :            : /* static resolution table */
     469                 :            : struct snd_ac97_res_table {
     470                 :            :         unsigned short reg;     /* register */
     471                 :            :         unsigned short bits;    /* resolution bitmask */
     472                 :            : };
     473                 :            : 
     474                 :            : struct snd_ac97_template {
     475                 :            :         void *private_data;
     476                 :            :         void (*private_free) (struct snd_ac97 *ac97);
     477                 :            :         struct pci_dev *pci;    /* assigned PCI device - used for quirks */
     478                 :            :         unsigned short num;     /* number of codec: 0 = primary, 1 = secondary */
     479                 :            :         unsigned short addr;    /* physical address of codec [0-3] */
     480                 :            :         unsigned int scaps;     /* driver capabilities */
     481                 :            :         const struct snd_ac97_res_table *res_table;     /* static resolution */
     482                 :            : };
     483                 :            : 
     484                 :            : struct snd_ac97 {
     485                 :            :         /* -- lowlevel (hardware) driver specific -- */
     486                 :            :         const struct snd_ac97_build_ops *build_ops;
     487                 :            :         void *private_data;
     488                 :            :         void (*private_free) (struct snd_ac97 *ac97);
     489                 :            :         /* --- */
     490                 :            :         struct snd_ac97_bus *bus;
     491                 :            :         struct pci_dev *pci;    /* assigned PCI device - used for quirks */
     492                 :            :         struct snd_info_entry *proc;
     493                 :            :         struct snd_info_entry *proc_regs;
     494                 :            :         unsigned short subsystem_vendor;
     495                 :            :         unsigned short subsystem_device;
     496                 :            :         struct mutex reg_mutex;
     497                 :            :         struct mutex page_mutex;        /* mutex for AD18xx multi-codecs and paging (2.3) */
     498                 :            :         unsigned short num;     /* number of codec: 0 = primary, 1 = secondary */
     499                 :            :         unsigned short addr;    /* physical address of codec [0-3] */
     500                 :            :         unsigned int id;        /* identification of codec */
     501                 :            :         unsigned short caps;    /* capabilities (register 0) */
     502                 :            :         unsigned short ext_id;  /* extended feature identification (register 28) */
     503                 :            :         unsigned short ext_mid; /* extended modem ID (register 3C) */
     504                 :            :         const struct snd_ac97_res_table *res_table;     /* static resolution */
     505                 :            :         unsigned int scaps;     /* driver capabilities */
     506                 :            :         unsigned int flags;     /* specific code */
     507                 :            :         unsigned int rates[6];  /* see AC97_RATES_* defines */
     508                 :            :         unsigned int spdif_status;
     509                 :            :         unsigned short regs[0x80]; /* register cache */
     510                 :            :         DECLARE_BITMAP(reg_accessed, 0x80); /* bit flags */
     511                 :            :         union {                 /* vendor specific code */
     512                 :            :                 struct {
     513                 :            :                         unsigned short unchained[3];    // 0 = C34, 1 = C79, 2 = C69
     514                 :            :                         unsigned short chained[3];      // 0 = C34, 1 = C79, 2 = C69
     515                 :            :                         unsigned short id[3];           // codec IDs (lower 16-bit word)
     516                 :            :                         unsigned short pcmreg[3];       // PCM registers
     517                 :            :                         unsigned short codec_cfg[3];    // CODEC_CFG bits
     518                 :            :                         unsigned char swap_mic_linein;  // AD1986/AD1986A only
     519                 :            :                         unsigned char lo_as_master;     /* LO as master */
     520                 :            :                 } ad18xx;
     521                 :            :                 unsigned int dev_flags;         /* device specific */
     522                 :            :         } spec;
     523                 :            :         /* jack-sharing info */
     524                 :            :         unsigned char indep_surround;
     525                 :            :         unsigned char channel_mode;
     526                 :            : 
     527                 :            : #ifdef CONFIG_SND_AC97_POWER_SAVE
     528                 :            :         unsigned int power_up;  /* power states */
     529                 :            :         struct delayed_work power_work;
     530                 :            : #endif
     531                 :            :         struct device dev;
     532                 :            : 
     533                 :            :         struct snd_pcm_chmap *chmaps[2]; /* channel-maps (optional) */
     534                 :            : };
     535                 :            : 
     536                 :            : #define to_ac97_t(d) container_of(d, struct snd_ac97, dev)
     537                 :            : 
     538                 :            : /* conditions */
     539                 :            : static inline int ac97_is_audio(struct snd_ac97 * ac97)
     540                 :            : {
     541                 :          0 :         return (ac97->scaps & AC97_SCAP_AUDIO);
     542                 :            : }
     543                 :            : static inline int ac97_is_modem(struct snd_ac97 * ac97)
     544                 :            : {
     545                 :          0 :         return (ac97->scaps & AC97_SCAP_MODEM);
     546                 :            : }
     547                 :            : static inline int ac97_is_rev22(struct snd_ac97 * ac97)
     548                 :            : {
     549                 :          0 :         return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22;
     550                 :            : }
     551                 :            : static inline int ac97_can_amap(struct snd_ac97 * ac97)
     552                 :            : {
     553                 :          0 :         return (ac97->ext_id & AC97_EI_AMAP) != 0;
     554                 :            : }
     555                 :            : static inline int ac97_can_spdif(struct snd_ac97 * ac97)
     556                 :            : {
     557                 :            :         return (ac97->ext_id & AC97_EI_SPDIF) != 0;
     558                 :            : }
     559                 :            : 
     560                 :            : /* functions */
     561                 :            : /* create new AC97 bus */
     562                 :            : int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
     563                 :            :                  void *private_data, struct snd_ac97_bus **rbus);
     564                 :            : /* create mixer controls */
     565                 :            : int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template,
     566                 :            :                    struct snd_ac97 **rac97);
     567                 :            : const char *snd_ac97_get_short_name(struct snd_ac97 *ac97);
     568                 :            : 
     569                 :            : void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
     570                 :            : unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
     571                 :            : void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
     572                 :            : int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value);
     573                 :            : int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value);
     574                 :            : #ifdef CONFIG_SND_AC97_POWER_SAVE
     575                 :            : int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup);
     576                 :            : #else
     577                 :            : static inline int snd_ac97_update_power(struct snd_ac97 *ac97, int reg,
     578                 :            :                                         int powerup)
     579                 :            : {
     580                 :            :         return 0;
     581                 :            : }
     582                 :            : #endif
     583                 :            : #ifdef CONFIG_PM
     584                 :            : void snd_ac97_suspend(struct snd_ac97 *ac97);
     585                 :            : void snd_ac97_resume(struct snd_ac97 *ac97);
     586                 :            : #endif
     587                 :            : 
     588                 :            : /* quirk types */
     589                 :            : enum {
     590                 :            :         AC97_TUNE_DEFAULT = -1, /* use default from quirk list (not valid in list) */
     591                 :            :         AC97_TUNE_NONE = 0,     /* nothing extra to do */
     592                 :            :         AC97_TUNE_HP_ONLY,      /* headphone (true line-out) control as master only */
     593                 :            :         AC97_TUNE_SWAP_HP,      /* swap headphone and master controls */
     594                 :            :         AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */
     595                 :            :         AC97_TUNE_AD_SHARING,   /* for AD1985, turn on OMS bit and use headphone */
     596                 :            :         AC97_TUNE_ALC_JACK,     /* for Realtek, enable JACK detection */
     597                 :            :         AC97_TUNE_INV_EAPD,     /* inverted EAPD implementation */
     598                 :            :         AC97_TUNE_MUTE_LED,     /* EAPD bit works as mute LED */
     599                 :            :         AC97_TUNE_HP_MUTE_LED,  /* EAPD bit works as mute LED, use headphone control as master */
     600                 :            : };
     601                 :            : 
     602                 :            : struct ac97_quirk {
     603                 :            :         unsigned short subvendor; /* PCI subsystem vendor id */
     604                 :            :         unsigned short subdevice; /* PCI subsystem device id */
     605                 :            :         unsigned short mask;    /* device id bit mask, 0 = accept all */
     606                 :            :         unsigned int codec_id;  /* codec id (if any), 0 = accept all */
     607                 :            :         const char *name;       /* name shown as info */
     608                 :            :         int type;               /* quirk type above */
     609                 :            : };
     610                 :            : 
     611                 :            : int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override);
     612                 :            : int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate);
     613                 :            : 
     614                 :            : /*
     615                 :            :  * PCM allocation
     616                 :            :  */
     617                 :            : 
     618                 :            : enum ac97_pcm_cfg {
     619                 :            :         AC97_PCM_CFG_FRONT = 2,
     620                 :            :         AC97_PCM_CFG_REAR = 10,         /* alias surround */
     621                 :            :         AC97_PCM_CFG_LFE = 11,          /* center + lfe */
     622                 :            :         AC97_PCM_CFG_40 = 4,            /* front + rear */
     623                 :            :         AC97_PCM_CFG_51 = 6,            /* front + rear + center/lfe */
     624                 :            :         AC97_PCM_CFG_SPDIF = 20
     625                 :            : };
     626                 :            : 
     627                 :            : struct ac97_pcm {
     628                 :            :         struct snd_ac97_bus *bus;
     629                 :            :         unsigned int stream: 1,            /* stream type: 1 = capture */
     630                 :            :                      exclusive: 1,         /* exclusive mode, don't override with other pcms */
     631                 :            :                      copy_flag: 1,         /* lowlevel driver must fill all entries */
     632                 :            :                      spdif: 1;             /* spdif pcm */
     633                 :            :         unsigned short aslots;             /* active slots */
     634                 :            :         unsigned short cur_dbl;            /* current double-rate state */
     635                 :            :         unsigned int rates;                /* available rates */
     636                 :            :         struct {
     637                 :            :                 unsigned short slots;      /* driver input: requested AC97 slot numbers */
     638                 :            :                 unsigned short rslots[4];  /* allocated slots per codecs */
     639                 :            :                 unsigned char rate_table[4];
     640                 :            :                 struct snd_ac97 *codec[4];         /* allocated codecs */
     641                 :            :         } r[2];                            /* 0 = standard rates, 1 = double rates */
     642                 :            :         unsigned long private_value;       /* used by the hardware driver */
     643                 :            : };
     644                 :            : 
     645                 :            : int snd_ac97_pcm_assign(struct snd_ac97_bus *ac97,
     646                 :            :                         unsigned short pcms_count,
     647                 :            :                         const struct ac97_pcm *pcms);
     648                 :            : int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate,
     649                 :            :                       enum ac97_pcm_cfg cfg, unsigned short slots);
     650                 :            : int snd_ac97_pcm_close(struct ac97_pcm *pcm);
     651                 :            : int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime);
     652                 :            : 
     653                 :            : /* ad hoc AC97 device driver access */
     654                 :            : extern struct bus_type ac97_bus_type;
     655                 :            : 
     656                 :            : /* AC97 platform_data adding function */
     657                 :            : static inline void snd_ac97_dev_add_pdata(struct snd_ac97 *ac97, void *data)
     658                 :            : {
     659                 :            :         ac97->dev.platform_data = data;
     660                 :            : }
     661                 :            : 
     662                 :            : #endif /* __SOUND_AC97_CODEC_H */

Generated by: LCOV version 1.9