/*      $NetBSD: ac97reg.h,v 1.14 2018/04/09 10:15:57 jmcneill Exp $    */

/*
* Copyright (c) 1999 Constantine Sapuntzakis
*
* Author:        Constantine Sapuntzakis <[email protected]>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY CONSTANTINE SAPUNTZAKIS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#define AC97_REG_RESET                  0x00
#define         AC97_CAPS_MICIN                 0x0001
#define         AC97_CAPS_MODEMLINECODEC        0x0002 /* 1.x only! */
#define         AC97_CAPS_TONECTRL              0x0004
#define         AC97_CAPS_SIMSTEREO             0x0008
#define         AC97_CAPS_HEADPHONES            0x0010
#define         AC97_CAPS_LOUDNESS              0x0020
#define         AC97_CAPS_DAC18                 0x0040
#define         AC97_CAPS_DAC20                 0x0080
#define         AC97_CAPS_ADC18                 0x0100
#define         AC97_CAPS_ADC20                 0x0200
#define         AC97_CAPS_ENHANCEMENT_MASK      0xfc00
#define         AC97_CAPS_ENHANCEMENT_SHIFT     10
#define         AC97_CAPS_ENHANCEMENT(reg)      (((reg) >> 10) & 0x1f)
#define AC97_REG_MASTER_VOLUME          0x02
#define AC97_REG_HEADPHONE_VOLUME       0x04
#define AC97_REG_MASTER_VOLUME_MONO     0x06
#define AC97_REG_MASTER_TONE            0x08
#define AC97_REG_PCBEEP_VOLUME          0x0a
#define AC97_REG_PHONE_VOLUME           0x0c
#define AC97_REG_MIC_VOLUME             0x0e
#define AC97_REG_LINEIN_VOLUME          0x10
#define AC97_REG_CD_VOLUME              0x12
#define AC97_REG_VIDEO_VOLUME           0x14
#define AC97_REG_AUX_VOLUME             0x16
#define AC97_REG_PCMOUT_VOLUME          0x18
#define AC97_REG_RECORD_SELECT          0x1a
#define AC97_REG_RECORD_GAIN            0x1c
#define AC97_REG_RECORD_GAIN_MIC        0x1e /* for dedicated mic */
#define AC97_REG_GP                     0x20
#define AC97_REG_3D_CONTROL             0x22
                               /*      0x24    Modem sample rate in AC97 1.03
                                               Reserved in AC97 2.0
                                               Interrupt/paging in AC97 2.3 */
#define AC97_REG_POWER                  0x26
#define         AC97_POWER_ADC                  0x0001
#define         AC97_POWER_DAC                  0x0002
#define         AC97_POWER_ANL                  0x0004
#define         AC97_POWER_REF                  0x0008
#define         AC97_POWER_IN                   0x0100
#define         AC97_POWER_OUT                  0x0200
#define         AC97_POWER_MIXER                0x0400
#define         AC97_POWER_MIXER_VREF           0x0800
#define         AC97_POWER_ACLINK               0x1000
#define         AC97_POWER_CLK                  0x2000
#define         AC97_POWER_AUX                  0x4000
#define         AC97_POWER_EAMP                 0x8000

/* AC'97 2.0 extensions -- 0x28-0x3a */
#define AC97_REG_EXT_AUDIO_ID           0x28
#define AC97_REG_EXT_AUDIO_CTRL         0x2a
#define         AC97_EXT_AUDIO_VRA              0x0001
#define         AC97_EXT_AUDIO_DRA              0x0002
#define         AC97_EXT_AUDIO_SPDIF            0x0004
#define         AC97_EXT_AUDIO_VRM              0x0008 /* for dedicated mic */
#define         AC97_EXT_AUDIO_DSA_MASK         0x0030 /* for EXT ID */
#define          AC97_EXT_AUDIO_DSA00           0x0000 /* for EXT ID */
#define          AC97_EXT_AUDIO_DSA01           0x0010 /* for EXT ID */
#define          AC97_EXT_AUDIO_DSA10           0x0020 /* for EXT ID */
#define          AC97_EXT_AUDIO_DSA11           0x0030 /* for EXT ID */
#define         AC97_EXT_AUDIO_SPSA_MASK        0x0030 /* for EXT CTRL */
#define          AC97_EXT_AUDIO_SPSA34          0x0000 /* for EXT CTRL */
#define          AC97_EXT_AUDIO_SPSA78          0x0010 /* for EXT CTRL */
#define          AC97_EXT_AUDIO_SPSA69          0x0020 /* for EXT CTRL */
#define          AC97_EXT_AUDIO_SPSAAB          0x0030 /* for EXT CTRL */
#define         AC97_EXT_AUDIO_CDAC             0x0040
#define         AC97_EXT_AUDIO_SDAC             0x0080
#define         AC97_EXT_AUDIO_LDAC             0x0100
#define         AC97_EXT_AUDIO_AMAP             0x0200 /* for EXT ID */
#define         AC97_EXT_AUDIO_REV_MASK         0x0C00 /* for EXT ID */
#define          AC97_EXT_AUDIO_REV_11          0x0000 /* for EXT ID */
#define          AC97_EXT_AUDIO_REV_22          0x0400 /* for EXT ID */
#define          AC97_EXT_AUDIO_REV_23          0x0800 /* for EXT ID */
#define          AC97_EXT_AUDIO_REV_RESERVED11  0x0c00 /* for EXT ID */
#define         AC97_EXT_AUDIO_ID_MASK          0xC000 /* for EXT ID */
#define          AC97_EXT_AUDIO_ID_PRIMARY      0x0000 /* for EXT ID */
#define          AC97_EXT_AUDIO_ID_SECONDARY01  0x4000 /* for EXT ID */
#define          AC97_EXT_AUDIO_ID_SECONDARY10  0x8000 /* for EXT ID */
#define          AC97_EXT_AUDIO_ID_SECONDARY11  0xc000 /* for EXT ID */
#define         AC97_EXT_AUDIO_MADC             0x0200 /* for EXT CTRL */
#define         AC97_EXT_AUDIO_SPCV             0x0400 /* for EXT CTRL */
#define         AC97_EXT_AUDIO_PRI              0x0800 /* for EXT CTRL */
#define         AC97_EXT_AUDIO_PRJ              0x1000 /* for EXT CTRL */
#define         AC97_EXT_AUDIO_PRK              0x2000 /* for EXT CTRL */
#define         AC97_EXT_AUDIO_PRL              0x4000 /* for EXT CTRL */
#define         AC97_EXT_AUDIO_VCFG             0x8000 /* for EXT CTRL */

#define         AC97_SINGLE_RATE                48000
#define AC97_REG_PCM_FRONT_DAC_RATE     0x2c
#define AC97_REG_PCM_SURR_DAC_RATE      0x2e
#define AC97_REG_PCM_LFE_DAC_RATE       0x30
#define AC97_REG_PCM_LR_ADC_RATE        0x32
#define AC97_REG_PCM_MIC_ADC_RATE       0x34    /* dedicated mic */
#define AC97_REG_CENTER_LFE_MASTER      0x36    /* center + LFE master volume */
#define AC97_REG_SURR_MASTER            0x38    /* surround (rear) master vol */
#define AC97_REG_SPDIF_CTRL             0x3a
#define         AC97_SPDIF_V                    0x8000
#define         AC97_SPDIF_DRS                  0x4000
#define         AC97_SPDIF_SPSR_MASK            0x3000
#define          AC97_SPDIF_SPSR_44K            0x0000
#define          AC97_SPDIF_SPSR_48K            0x2000
#define          AC97_SPDIF_SPSR_32K            0x1000
#define         AC97_SPDIF_L                    0x0800
#define         AC97_SPDIF_CC_MASK              0x07f0
#define         AC97_SPDIF_PRE                  0x0008
#define         AC97_SPDIF_COPY                 0x0004
#define         AC97_SPDIF_NONAUDIO             0x0002
#define         AC97_SPDIF_PRO                  0x0001

/* Modem -- 0x3c-0x58 */
#define AC97_REG_EXT_MODEM_ID           0x3c    /* extended modem id */
#define         AC97_EXT_MODEM_LINE1            0x0001
#define         AC97_EXT_MODEM_LINE2            0x0002
#define         AC97_EXT_MODEM_HANDSET          0x0004
#define         AC97_EXT_MODEM_CID1             0x0008
#define         AC97_EXT_MODEM_CID2             0x0010
#define         AC97_EXT_MODEM_ID0              0x4000
#define         AC97_EXT_MODEM_ID1              0x8000
#define         AC97_EXT_MODEM_ID_MASK          0xc000
#define AC97_REG_EXT_MODEM_CTRL         0x3e    /* extended modem ctrl */
#define         AC97_EXT_MODEM_CTRL_GPIO        0x0001  /* gpio is ready */
#define         AC97_EXT_MODEM_CTRL_MREF        0x0002  /* vref up */
#define         AC97_EXT_MODEM_CTRL_ADC1        0x0004  /* line1 adc ready */
#define         AC97_EXT_MODEM_CTRL_DAC1        0x0008  /* line1 dac ready */
#define         AC97_EXT_MODEM_CTRL_ADC2        0x0010  /* line2 adc ready */
#define         AC97_EXT_MODEM_CTRL_DAC2        0x0020  /* line2 dac ready */
#define         AC97_EXT_MODEM_CTRL_HADC        0x0040  /* handset adc ready */
#define         AC97_EXT_MODEM_CTRL_HDAC        0x0080  /* handset dac ready */
#define         AC97_EXT_MODEM_CTRL_PRA         0x0100  /* gpio off */
#define         AC97_EXT_MODEM_CTRL_PRB         0x0200  /* vref off */
#define         AC97_EXT_MODEM_CTRL_PRC         0x0400  /* line1 adc off */
#define         AC97_EXT_MODEM_CTRL_PRD         0x0800  /* line1 dac off */
#define         AC97_EXT_MODEM_CTRL_PRE         0x1000  /* line2 adc off */
#define         AC97_EXT_MODEM_CTRL_PRF         0x2000  /* line2 dac off */
#define         AC97_EXT_MODEM_CTRL_PRG         0x4000  /* handset adc off */
#define         AC97_EXT_MODEM_CTRL_PRH         0x8000  /* handset dac off */
#define AC97_REG_LINE1_RATE             0x40
#define AC97_REG_LINE2_RATE             0x42
#define AC97_REG_HANDSET_RATE           0x44
#define AC97_REG_LINE1_LEVEL            0x46
#define AC97_REG_LINE2_LEVEL            0x48
#define AC97_REG_HANDSET_LEVEL          0x4a
#define AC97_REG_GPIO_CFG               0x4c    /* gpio config */
#define AC97_REG_GPIO_POLARITY          0x4e    /* gpio pin polarity */
#define AC97_REG_GPIO_STICKY            0x50    /* gpio pin sticky */
#define AC97_REG_GPIO_WAKEUP            0x52    /* gpio pin wakeup */
#define AC97_REG_GPIO_STATUS            0x54
#define         AC97_GPIO_LINE1_OH              0x0001  /* off-hook */
#define         AC97_GPIO_LINE1_RI              0x0002  /* ring detect */
#define         AC97_GPIO_LINE1_CID             0x0004  /* caller-id */
#define         AC97_GPIO_LINE2_OH              0x0400  /* off-hook */
#define         AC97_GPIO_LINE2_RI              0x0800  /* ring detect */
#define         AC97_GPIO_LINE2_CID             0x1000  /* caller-id */
#define AC97_REG_MISC_AFE               0x56    /* misc modem afe status & control */
#define         AC97_MISC_AFE_L1B_MASK          0x0007  /* line1 loopback */
#define         AC97_MISC_AFE_L2B_MASK          0x0070  /* line2 loopback */
#define         AC97_MISC_AFE_HSB_MASK          0x0700  /* handset loopback */
#define         AC97_MISC_AFE_MLNK              0x1000  /* ac-link status */
#define         AC97_MISC_AFE_CID1              0x2000  /* line1 cid decode */
#define         AC97_MISC_AFE_CID2              0x4000  /* line2 cid decide */
#define         AC97_MISC_AFE_CIDR              0x8000  /* raw cid data */

/* Modem loopback modes */
#define         AC97_LOOPBACK_DISABLE           0
#define         AC97_LOOPBACK_ADC               1
#define         AC97_LOOPBACK_LOCAL_ANALOG      2
#define         AC97_LOOPBACK_DAC               3
#define         AC97_LOOPBACK_REMOTE_ANALOG     4
#define         AC97_LOOPBACK_VENDOR1           5
#define         AC97_LOOPBACK_VENDOR2           6
#define         AC97_LOOPBACK_VENDOR3           7



/* Vendor specific -- 0x5a-0x7b */

#define AC97_REG_VENDOR_ID1             0x7c
#define AC97_REG_VENDOR_ID2             0x7e
#define         AC97_VENDOR_ID_MASK             0xffffff00

#define AC97_CODEC_ID(a0, a1, a2, x)                                    \
       (((a0) << 24) | ((a1) << 16) | ((a2) << 8) | (x))

#define AC97_GET_CODEC_ID(id, cp)                                       \
do {                                                                    \
       (cp)[0] = ((id) >> 24) & 0xff;                                  \
       (cp)[1] = ((id) >> 16) & 0xff;                                  \
       (cp)[2] = ((id) >> 8)  & 0xff;                                  \
       (cp)[3] = (id) & 0xff;                                          \
} while (0)

/* AC-link slot assignments */
#define AC97_SLOT_TAG                   0
#define AC97_SLOT_ADDR                  1
#define AC97_SLOT_DATA                  2
#define AC97_SLOT_PCM_L                 3
#define AC97_SLOT_PCM_R                 4
#define AC97_SLOT_MODEM_LINE1           5
#define AC97_SLOT_PCM_C                 6       /* output */
#define AC97_SLOT_MIC                   6       /* input */
#define AC97_SLOT_PCM_SL                7       /* output */
#define AC97_SLOT_PCM_SR                8       /* output */
#define AC97_SLOT_LFE                   9       /* output */
#define AC97_SLOT_MODEM_LINE2           10
#define AC97_SLOT_MODEM_HANDSET         11
#define AC97_SLOT_MODEM_GPIO            12      /* input */

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