cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ca0106.h (37405B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
      4 *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
      5 *  Version: 0.0.22
      6 *
      7 *  FEATURES currently supported:
      8 *    See ca0106_main.c for features.
      9 * 
     10 *  Changelog:
     11 *    Support interrupts per period.
     12 *    Removed noise from Center/LFE channel when in Analog mode.
     13 *    Rename and remove mixer controls.
     14 *  0.0.6
     15 *    Use separate card based DMA buffer for periods table list.
     16 *  0.0.7
     17 *    Change remove and rename ctrls into lists.
     18 *  0.0.8
     19 *    Try to fix capture sources.
     20 *  0.0.9
     21 *    Fix AC3 output.
     22 *    Enable S32_LE format support.
     23 *  0.0.10
     24 *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
     25 *  0.0.11
     26 *    Add Model name recognition.
     27 *  0.0.12
     28 *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
     29 *    Remove redundent "voice" handling.
     30 *  0.0.13
     31 *    Single trigger call for multi channels.
     32 *  0.0.14
     33 *    Set limits based on what the sound card hardware can do.
     34 *    playback periods_min=2, periods_max=8
     35 *    capture hw constraints require period_size = n * 64 bytes.
     36 *    playback hw constraints require period_size = n * 64 bytes.
     37 *  0.0.15
     38 *    Separated ca0106.c into separate functional .c files.
     39 *  0.0.16
     40 *    Implement 192000 sample rate.
     41 *  0.0.17
     42 *    Add support for SB0410 and SB0413.
     43 *  0.0.18
     44 *    Modified Copyright message.
     45 *  0.0.19
     46 *    Added I2C and SPI registers. Filled in interrupt enable.
     47 *  0.0.20
     48 *    Added GPIO info for SB Live 24bit.
     49 *  0.0.21
     50 *   Implement support for Line-in capture on SB Live 24bit.
     51 *  0.0.22
     52 *    Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
     53 *
     54 *  This code was initially based on code from ALSA's emu10k1x.c which is:
     55 *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
     56 */
     57
     58/************************************************************************************************/
     59/* PCI function 0 registers, address = <val> + PCIBASE0						*/
     60/************************************************************************************************/
     61
     62#define CA0106_PTR		0x00		/* Indexed register set pointer register	*/
     63						/* NOTE: The CHANNELNUM and ADDRESS words can	*/
     64						/* be modified independently of each other.	*/
     65						/* CNL[1:0], ADDR[27:16]                        */
     66
     67#define CA0106_DATA		0x04		/* Indexed register set data register		*/
     68						/* DATA[31:0]					*/
     69
     70#define CA0106_IPR		0x08		/* Global interrupt pending register		*/
     71						/* Clear pending interrupts by writing a 1 to	*/
     72						/* the relevant bits and zero to the other bits	*/
     73#define IPR_MIDI_RX_B		0x00020000	/* MIDI UART-B Receive buffer non-empty		*/
     74#define IPR_MIDI_TX_B		0x00010000	/* MIDI UART-B Transmit buffer empty		*/
     75#define IPR_SPDIF_IN_USER	0x00004000      /* SPDIF input user data has 16 more bits	*/
     76#define IPR_SPDIF_OUT_USER	0x00002000      /* SPDIF output user data needs 16 more bits	*/
     77#define IPR_SPDIF_OUT_FRAME	0x00001000      /* SPDIF frame about to start			*/
     78#define IPR_SPI			0x00000800      /* SPI transaction completed			*/
     79#define IPR_I2C_EEPROM		0x00000400      /* I2C EEPROM transaction completed		*/
     80#define IPR_I2C_DAC		0x00000200      /* I2C DAC transaction completed		*/
     81#define IPR_AI			0x00000100      /* Audio pending register changed. See PTR reg 0x76	*/
     82#define IPR_GPI			0x00000080      /* General Purpose input changed		*/
     83#define IPR_SRC_LOCKED          0x00000040      /* SRC lock status changed			*/
     84#define IPR_SPDIF_STATUS        0x00000020      /* SPDIF status changed				*/
     85#define IPR_TIMER2              0x00000010      /* 192000Hz Timer				*/
     86#define IPR_TIMER1              0x00000008      /* 44100Hz Timer				*/
     87#define IPR_MIDI_RX_A		0x00000004	/* MIDI UART-A Receive buffer non-empty		*/
     88#define IPR_MIDI_TX_A		0x00000002	/* MIDI UART-A Transmit buffer empty		*/
     89#define IPR_PCI			0x00000001	/* PCI Bus error				*/
     90
     91#define CA0106_INTE		0x0c		/* Interrupt enable register			*/
     92
     93#define INTE_MIDI_RX_B		0x00020000	/* MIDI UART-B Receive buffer non-empty		*/
     94#define INTE_MIDI_TX_B		0x00010000	/* MIDI UART-B Transmit buffer empty		*/
     95#define INTE_SPDIF_IN_USER	0x00004000      /* SPDIF input user data has 16 more bits	*/
     96#define INTE_SPDIF_OUT_USER	0x00002000      /* SPDIF output user data needs 16 more bits	*/
     97#define INTE_SPDIF_OUT_FRAME	0x00001000      /* SPDIF frame about to start			*/
     98#define INTE_SPI		0x00000800      /* SPI transaction completed			*/
     99#define INTE_I2C_EEPROM		0x00000400      /* I2C EEPROM transaction completed		*/
    100#define INTE_I2C_DAC		0x00000200      /* I2C DAC transaction completed		*/
    101#define INTE_AI			0x00000100      /* Audio pending register changed. See PTR reg 0x75 */
    102#define INTE_GPI		0x00000080      /* General Purpose input changed		*/
    103#define INTE_SRC_LOCKED         0x00000040      /* SRC lock status changed			*/
    104#define INTE_SPDIF_STATUS       0x00000020      /* SPDIF status changed				*/
    105#define INTE_TIMER2             0x00000010      /* 192000Hz Timer				*/
    106#define INTE_TIMER1             0x00000008      /* 44100Hz Timer				*/
    107#define INTE_MIDI_RX_A		0x00000004	/* MIDI UART-A Receive buffer non-empty		*/
    108#define INTE_MIDI_TX_A		0x00000002	/* MIDI UART-A Transmit buffer empty		*/
    109#define INTE_PCI		0x00000001	/* PCI Bus error				*/
    110
    111#define CA0106_UNKNOWN10	0x10		/* Unknown ??. Defaults to 0 */
    112#define CA0106_HCFG		0x14		/* Hardware config register			*/
    113						/* 0x1000 causes AC3 to fails. It adds a dither bit. */
    114
    115#define HCFG_STAC		0x10000000	/* Special mode for STAC9460 Codec. */
    116#define HCFG_CAPTURE_I2S_BYPASS	0x08000000	/* 1 = bypass I2S input async SRC. */
    117#define HCFG_CAPTURE_SPDIF_BYPASS 0x04000000	/* 1 = bypass SPDIF input async SRC. */
    118#define HCFG_PLAYBACK_I2S_BYPASS 0x02000000	/* 0 = I2S IN mixer output, 1 = I2S IN1. */
    119#define HCFG_FORCE_LOCK		0x01000000	/* For test only. Force input SRC tracker to lock. */
    120#define HCFG_PLAYBACK_ATTENUATION 0x00006000	/* Playback attenuation mask. 0 = 0dB, 1 = 6dB, 2 = 12dB, 3 = Mute. */
    121#define HCFG_PLAYBACK_DITHER	0x00001000	/* 1 = Add dither bit to all playback channels. */
    122#define HCFG_PLAYBACK_S32_LE	0x00000800	/* 1 = S32_LE, 0 = S16_LE                       */
    123#define HCFG_CAPTURE_S32_LE	0x00000400	/* 1 = S32_LE, 0 = S16_LE (S32_LE current not working)	*/
    124#define HCFG_8_CHANNEL_PLAY	0x00000200	/* 1 = 8 channels, 0 = 2 channels per substream.*/
    125#define HCFG_8_CHANNEL_CAPTURE	0x00000100	/* 1 = 8 channels, 0 = 2 channels per substream.*/
    126#define HCFG_MONO		0x00000080	/* 1 = I2S Input mono                           */
    127#define HCFG_I2S_OUTPUT		0x00000010	/* 1 = I2S Output disabled                      */
    128#define HCFG_AC97		0x00000008	/* 0 = AC97 1.0, 1 = AC97 2.0                   */
    129#define HCFG_LOCK_PLAYBACK_CACHE 0x00000004	/* 1 = Cancel bustmaster accesses to soundcache */
    130						/* NOTE: This should generally never be used.  	*/
    131#define HCFG_LOCK_CAPTURE_CACHE	0x00000002	/* 1 = Cancel bustmaster accesses to soundcache */
    132						/* NOTE: This should generally never be used.  	*/
    133#define HCFG_AUDIOENABLE	0x00000001	/* 0 = CODECs transmit zero-valued samples	*/
    134						/* Should be set to 1 when the EMU10K1 is	*/
    135						/* completely initialized.			*/
    136#define CA0106_GPIO		0x18		/* Defaults: 005f03a3-Analog, 005f02a2-SPDIF.   */
    137						/* Here pins 0,1,2,3,4,,6 are output. 5,7 are input */
    138						/* For the Audigy LS, pin 0 (or bit 8) controls the SPDIF/Analog jack. */
    139						/* SB Live 24bit:
    140						 * bit 8 0 = SPDIF in and out / 1 = Analog (Mic or Line)-in.
    141						 * bit 9 0 = Mute / 1 = Analog out.
    142						 * bit 10 0 = Line-in / 1 = Mic-in.
    143						 * bit 11 0 = ? / 1 = ?
    144						 * bit 12 0 = 48 Khz / 1 = 96 Khz Analog out on SB Live 24bit.
    145						 * bit 13 0 = ? / 1 = ?
    146						 * bit 14 0 = Mute / 1 = Analog out
    147						 * bit 15 0 = ? / 1 = ?
    148						 * Both bit 9 and bit 14 have to be set for analog sound to work on the SB Live 24bit.
    149						 */
    150						/* 8 general purpose programmable In/Out pins.
    151						 * GPI [8:0] Read only. Default 0.
    152						 * GPO [15:8] Default 0x9. (Default to SPDIF jack enabled for SPDIF)
    153						 * GPO Enable [23:16] Default 0x0f. Setting a bit to 1, causes the pin to be an output pin.
    154						 */
    155#define CA0106_AC97DATA		0x1c		/* AC97 register set data register (16 bit)	*/
    156
    157#define CA0106_AC97ADDRESS	0x1e		/* AC97 register set address register (8 bit)	*/
    158
    159/********************************************************************************************************/
    160/* CA0106 pointer-offset register set, accessed through the PTR and DATA registers                     */
    161/********************************************************************************************************/
    162                                                                                                                           
    163/* Initially all registers from 0x00 to 0x3f have zero contents. */
    164#define PLAYBACK_LIST_ADDR	0x00		/* Base DMA address of a list of pointers to each period/size */
    165						/* One list entry: 4 bytes for DMA address, 
    166						 * 4 bytes for period_size << 16.
    167						 * One list entry is 8 bytes long.
    168						 * One list entry for each period in the buffer.
    169						 */
    170						/* ADDR[31:0], Default: 0x0 */
    171#define PLAYBACK_LIST_SIZE	0x01		/* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000  */
    172						/* SIZE[21:16], Default: 0x8 */
    173#define PLAYBACK_LIST_PTR	0x02		/* Pointer to the current period being played */
    174						/* PTR[5:0], Default: 0x0 */
    175#define PLAYBACK_UNKNOWN3	0x03		/* Not used ?? */
    176#define PLAYBACK_DMA_ADDR	0x04		/* Playback DMA address */
    177						/* DMA[31:0], Default: 0x0 */
    178#define PLAYBACK_PERIOD_SIZE	0x05		/* Playback period size. win2000 uses 0x04000000 */
    179						/* SIZE[31:16], Default: 0x0 */
    180#define PLAYBACK_POINTER	0x06		/* Playback period pointer. Used with PLAYBACK_LIST_PTR to determine buffer position currently in DAC */
    181						/* POINTER[15:0], Default: 0x0 */
    182#define PLAYBACK_PERIOD_END_ADDR 0x07		/* Playback fifo end address */
    183						/* END_ADDR[15:0], FLAG[16] 0 = don't stop, 1 = stop */
    184#define PLAYBACK_FIFO_OFFSET_ADDRESS	0x08	/* Current fifo offset address [21:16] */
    185						/* Cache size valid [5:0] */
    186#define PLAYBACK_UNKNOWN9	0x09		/* 0x9 to 0xf Unused */
    187#define CAPTURE_DMA_ADDR	0x10		/* Capture DMA address */
    188						/* DMA[31:0], Default: 0x0 */
    189#define CAPTURE_BUFFER_SIZE	0x11		/* Capture buffer size */
    190						/* SIZE[31:16], Default: 0x0 */
    191#define CAPTURE_POINTER		0x12		/* Capture buffer pointer. Sample currently in ADC */
    192						/* POINTER[15:0], Default: 0x0 */
    193#define CAPTURE_FIFO_OFFSET_ADDRESS	0x13	/* Current fifo offset address [21:16] */
    194						/* Cache size valid [5:0] */
    195#define PLAYBACK_LAST_SAMPLE    0x20		/* The sample currently being played */
    196/* 0x21 - 0x3f unused */
    197#define BASIC_INTERRUPT         0x40		/* Used by both playback and capture interrupt handler */
    198						/* Playback (0x1<<channel_id) */
    199						/* Capture  (0x100<<channel_id) */
    200						/* Playback sample rate 96000 = 0x20000 */
    201						/* Start Playback [3:0] (one bit per channel)
    202						 * Start Capture [11:8] (one bit per channel)
    203						 * Playback rate [23:16] (2 bits per channel) (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
    204						 * Playback mixer in enable [27:24] (one bit per channel)
    205						 * Playback mixer out enable [31:28] (one bit per channel)
    206						 */
    207/* The Digital out jack is shared with the Center/LFE Analogue output. 
    208 * The jack has 4 poles. I will call 1 - Tip, 2 - Next to 1, 3 - Next to 2, 4 - Next to 3
    209 * For Analogue: 1 -> Center Speaker, 2 -> Sub Woofer, 3 -> Ground, 4 -> Ground
    210 * For Digital: 1 -> Front SPDIF, 2 -> Rear SPDIF, 3 -> Center/Subwoofer SPDIF, 4 -> Ground.
    211 * Standard 4 pole Video A/V cable with RCA outputs: 1 -> White, 2 -> Yellow, 3 -> Shield on all three, 4 -> Red.
    212 * So, from this you can see that you cannot use a Standard 4 pole Video A/V cable with the SB Audigy LS card.
    213 */
    214/* The Front SPDIF PCM gets mixed with samples from the AC97 codec, so can only work for Stereo PCM and not AC3/DTS
    215 * The Rear SPDIF can be used for Stereo PCM and also AC3/DTS
    216 * The Center/LFE SPDIF cannot be used for AC3/DTS, but can be used for Stereo PCM.
    217 * Summary: For ALSA we use the Rear channel for SPDIF Digital AC3/DTS output
    218 */
    219/* A standard 2 pole mono mini-jack to RCA plug can be used for SPDIF Stereo PCM output from the Front channel.
    220 * A standard 3 pole stereo mini-jack to 2 RCA plugs can be used for SPDIF AC3/DTS and Stereo PCM output utilising the Rear channel and just one of the RCA plugs. 
    221 */
    222#define SPCS0			0x41		/* SPDIF output Channel Status 0 register. For Rear. default=0x02108004, non-audio=0x02108006	*/
    223#define SPCS1			0x42		/* SPDIF output Channel Status 1 register. For Front */
    224#define SPCS2			0x43		/* SPDIF output Channel Status 2 register. For Center/LFE */
    225#define SPCS3			0x44		/* SPDIF output Channel Status 3 register. Unknown */
    226						/* When Channel set to 0: */
    227#define SPCS_CLKACCYMASK	0x30000000	/* Clock accuracy				*/
    228#define SPCS_CLKACCY_1000PPM	0x00000000	/* 1000 parts per million			*/
    229#define SPCS_CLKACCY_50PPM	0x10000000	/* 50 parts per million				*/
    230#define SPCS_CLKACCY_VARIABLE	0x20000000	/* Variable accuracy				*/
    231#define SPCS_SAMPLERATEMASK	0x0f000000	/* Sample rate					*/
    232#define SPCS_SAMPLERATE_44	0x00000000	/* 44.1kHz sample rate				*/
    233#define SPCS_SAMPLERATE_48	0x02000000	/* 48kHz sample rate				*/
    234#define SPCS_SAMPLERATE_32	0x03000000	/* 32kHz sample rate				*/
    235#define SPCS_CHANNELNUMMASK	0x00f00000	/* Channel number				*/
    236#define SPCS_CHANNELNUM_UNSPEC	0x00000000	/* Unspecified channel number			*/
    237#define SPCS_CHANNELNUM_LEFT	0x00100000	/* Left channel					*/
    238#define SPCS_CHANNELNUM_RIGHT	0x00200000	/* Right channel				*/
    239#define SPCS_SOURCENUMMASK	0x000f0000	/* Source number				*/
    240#define SPCS_SOURCENUM_UNSPEC	0x00000000	/* Unspecified source number			*/
    241#define SPCS_GENERATIONSTATUS	0x00008000	/* Originality flag (see IEC-958 spec)		*/
    242#define SPCS_CATEGORYCODEMASK	0x00007f00	/* Category code (see IEC-958 spec)		*/
    243#define SPCS_MODEMASK		0x000000c0	/* Mode (see IEC-958 spec)			*/
    244#define SPCS_EMPHASISMASK	0x00000038	/* Emphasis					*/
    245#define SPCS_EMPHASIS_NONE	0x00000000	/* No emphasis					*/
    246#define SPCS_EMPHASIS_50_15	0x00000008	/* 50/15 usec 2 channel				*/
    247#define SPCS_COPYRIGHT		0x00000004	/* Copyright asserted flag -- do not modify	*/
    248#define SPCS_NOTAUDIODATA	0x00000002	/* 0 = Digital audio, 1 = not audio		*/
    249#define SPCS_PROFESSIONAL	0x00000001	/* 0 = Consumer (IEC-958), 1 = pro (AES3-1992)	*/
    250
    251						/* When Channel set to 1: */
    252#define SPCS_WORD_LENGTH_MASK	0x0000000f	/* Word Length Mask				*/
    253#define SPCS_WORD_LENGTH_16	0x00000008	/* Word Length 16 bit				*/
    254#define SPCS_WORD_LENGTH_17	0x00000006	/* Word Length 17 bit				*/
    255#define SPCS_WORD_LENGTH_18	0x00000004	/* Word Length 18 bit				*/
    256#define SPCS_WORD_LENGTH_19	0x00000002	/* Word Length 19 bit				*/
    257#define SPCS_WORD_LENGTH_20A	0x0000000a	/* Word Length 20 bit				*/
    258#define SPCS_WORD_LENGTH_20	0x00000009	/* Word Length 20 bit (both 0xa and 0x9 are 20 bit) */
    259#define SPCS_WORD_LENGTH_21	0x00000007	/* Word Length 21 bit				*/
    260#define SPCS_WORD_LENGTH_22	0x00000005	/* Word Length 22 bit				*/
    261#define SPCS_WORD_LENGTH_23	0x00000003	/* Word Length 23 bit				*/
    262#define SPCS_WORD_LENGTH_24	0x0000000b	/* Word Length 24 bit				*/
    263#define SPCS_ORIGINAL_SAMPLE_RATE_MASK	0x000000f0 /* Original Sample rate			*/
    264#define SPCS_ORIGINAL_SAMPLE_RATE_NONE	0x00000000 /* Original Sample rate not indicated	*/
    265#define SPCS_ORIGINAL_SAMPLE_RATE_16000	0x00000010 /* Original Sample rate	*/
    266#define SPCS_ORIGINAL_SAMPLE_RATE_RES1	0x00000020 /* Original Sample rate	*/
    267#define SPCS_ORIGINAL_SAMPLE_RATE_32000	0x00000030 /* Original Sample rate	*/
    268#define SPCS_ORIGINAL_SAMPLE_RATE_12000	0x00000040 /* Original Sample rate	*/
    269#define SPCS_ORIGINAL_SAMPLE_RATE_11025	0x00000050 /* Original Sample rate	*/
    270#define SPCS_ORIGINAL_SAMPLE_RATE_8000	0x00000060 /* Original Sample rate	*/
    271#define SPCS_ORIGINAL_SAMPLE_RATE_RES2	0x00000070 /* Original Sample rate	*/
    272#define SPCS_ORIGINAL_SAMPLE_RATE_192000 0x00000080 /* Original Sample rate	*/
    273#define SPCS_ORIGINAL_SAMPLE_RATE_24000	0x00000090 /* Original Sample rate	*/
    274#define SPCS_ORIGINAL_SAMPLE_RATE_96000	0x000000a0 /* Original Sample rate	*/
    275#define SPCS_ORIGINAL_SAMPLE_RATE_48000	0x000000b0 /* Original Sample rate	*/
    276#define SPCS_ORIGINAL_SAMPLE_RATE_176400 0x000000c0 /* Original Sample rate	*/
    277#define SPCS_ORIGINAL_SAMPLE_RATE_22050	0x000000d0 /* Original Sample rate	*/
    278#define SPCS_ORIGINAL_SAMPLE_RATE_88200	0x000000e0 /* Original Sample rate	*/
    279#define SPCS_ORIGINAL_SAMPLE_RATE_44100	0x000000f0 /* Original Sample rate	*/
    280
    281#define SPDIF_SELECT1		0x45		/* Enables SPDIF or Analogue outputs 0-SPDIF, 0xf00-Analogue */
    282						/* 0x100 - Front, 0x800 - Rear, 0x200 - Center/LFE.
    283						 * But as the jack is shared, use 0xf00.
    284						 * The Windows2000 driver uses 0x0000000f for both digital and analog.
    285						 * 0xf00 introduces interesting noises onto the Center/LFE.
    286						 * If you turn the volume up, you hear computer noise,
    287						 * e.g. mouse moving, changing between app windows etc.
    288						 * So, I am going to set this to 0x0000000f all the time now,
    289						 * same as the windows driver does.
    290						 * Use register SPDIF_SELECT2(0x72) to switch between SPDIF and Analog.
    291						 */
    292						/* When Channel = 0:
    293						 * Wide SPDIF format [3:0] (one bit for each channel) (0=20bit, 1=24bit)
    294						 * Tristate SPDIF Output [11:8] (one bit for each channel) (0=Not tristate, 1=Tristate)
    295						 * SPDIF Bypass enable [19:16] (one bit for each channel) (0=Not bypass, 1=Bypass)
    296						 */
    297						/* When Channel = 1:
    298						 * SPDIF 0 User data [7:0]
    299						 * SPDIF 1 User data [15:8]
    300						 * SPDIF 0 User data [23:16]
    301						 * SPDIF 0 User data [31:24]
    302						 * User data can be sent by using the SPDIF output frame pending and SPDIF output user bit interrupts.
    303						 */
    304#define WATERMARK		0x46		/* Test bit to indicate cache usage level */
    305#define SPDIF_INPUT_STATUS	0x49		/* SPDIF Input status register. Bits the same as SPCS.
    306						 * When Channel = 0: Bits the same as SPCS channel 0.
    307						 * When Channel = 1: Bits the same as SPCS channel 1.
    308						 * When Channel = 2:
    309						 * SPDIF Input User data [16:0]
    310						 * SPDIF Input Frame count [21:16]
    311						 */
    312#define CAPTURE_CACHE_DATA	0x50		/* 0x50-0x5f Recorded samples. */
    313#define CAPTURE_SOURCE          0x60            /* Capture Source 0 = MIC */
    314#define CAPTURE_SOURCE_CHANNEL0 0xf0000000	/* Mask for selecting the Capture sources */
    315#define CAPTURE_SOURCE_CHANNEL1 0x0f000000	/* 0 - SPDIF mixer output. */
    316#define CAPTURE_SOURCE_CHANNEL2 0x00f00000      /* 1 - What you hear or . 2 - ?? */
    317#define CAPTURE_SOURCE_CHANNEL3 0x000f0000	/* 3 - Mic in, Line in, TAD in, Aux in. */
    318#define CAPTURE_SOURCE_RECORD_MAP 0x0000ffff	/* Default 0x00e4 */
    319						/* Record Map [7:0] (2 bits per channel) 0=mapped to channel 0, 1=mapped to channel 1, 2=mapped to channel2, 3=mapped to channel3 
    320						 * Record source select for channel 0 [18:16]
    321						 * Record source select for channel 1 [22:20]
    322						 * Record source select for channel 2 [26:24]
    323						 * Record source select for channel 3 [30:28]
    324						 * 0 - SPDIF mixer output.
    325						 * 1 - i2s mixer output.
    326						 * 2 - SPDIF input.
    327						 * 3 - i2s input.
    328						 * 4 - AC97 capture.
    329						 * 5 - SRC output.
    330						 */
    331#define CAPTURE_VOLUME1         0x61            /* Capture  volume per channel 0-3 */
    332#define CAPTURE_VOLUME2         0x62            /* Capture  volume per channel 4-7 */
    333
    334#define PLAYBACK_ROUTING1       0x63            /* Playback routing of channels 0-7. Effects AC3 output. Default 0x32765410 */
    335#define ROUTING1_REAR           0x77000000      /* Channel_id 0 sends to 10, Channel_id 1 sends to 32 */
    336#define ROUTING1_NULL           0x00770000      /* Channel_id 2 sends to 54, Channel_id 3 sends to 76 */
    337#define ROUTING1_CENTER_LFE     0x00007700      /* 0x32765410 means, send Channel_id 0 to FRONT, Channel_id 1 to REAR */
    338#define ROUTING1_FRONT          0x00000077	/* Channel_id 2 to CENTER_LFE, Channel_id 3 to NULL. */
    339						/* Channel_id's handle stereo channels. Channel X is a single mono channel */
    340						/* Host is input from the PCI bus. */
    341						/* Host channel 0 [2:0] -> SPDIF Mixer/Router channel 0-7.
    342						 * Host channel 1 [6:4] -> SPDIF Mixer/Router channel 0-7.
    343						 * Host channel 2 [10:8] -> SPDIF Mixer/Router channel 0-7.
    344						 * Host channel 3 [14:12] -> SPDIF Mixer/Router channel 0-7.
    345						 * Host channel 4 [18:16] -> SPDIF Mixer/Router channel 0-7.
    346						 * Host channel 5 [22:20] -> SPDIF Mixer/Router channel 0-7.
    347						 * Host channel 6 [26:24] -> SPDIF Mixer/Router channel 0-7.
    348						 * Host channel 7 [30:28] -> SPDIF Mixer/Router channel 0-7.
    349						 */
    350
    351#define PLAYBACK_ROUTING2       0x64            /* Playback Routing . Feeding Capture channels back into Playback. Effects AC3 output. Default 0x76767676 */
    352						/* SRC is input from the capture inputs. */
    353						/* SRC channel 0 [2:0] -> SPDIF Mixer/Router channel 0-7.
    354						 * SRC channel 1 [6:4] -> SPDIF Mixer/Router channel 0-7.
    355						 * SRC channel 2 [10:8] -> SPDIF Mixer/Router channel 0-7.
    356						 * SRC channel 3 [14:12] -> SPDIF Mixer/Router channel 0-7.
    357						 * SRC channel 4 [18:16] -> SPDIF Mixer/Router channel 0-7.
    358						 * SRC channel 5 [22:20] -> SPDIF Mixer/Router channel 0-7.
    359						 * SRC channel 6 [26:24] -> SPDIF Mixer/Router channel 0-7.
    360						 * SRC channel 7 [30:28] -> SPDIF Mixer/Router channel 0-7.
    361						 */
    362
    363#define PLAYBACK_MUTE           0x65            /* Unknown. While playing 0x0, while silent 0x00fc0000 */
    364						/* SPDIF Mixer input control:
    365						 * Invert SRC to SPDIF Mixer [7-0] (One bit per channel)
    366						 * Invert Host to SPDIF Mixer [15:8] (One bit per channel)
    367						 * SRC to SPDIF Mixer disable [23:16] (One bit per channel)
    368						 * Host to SPDIF Mixer disable [31:24] (One bit per channel)
    369						 */
    370#define PLAYBACK_VOLUME1        0x66            /* Playback SPDIF volume per channel. Set to the same PLAYBACK_VOLUME(0x6a) */
    371						/* PLAYBACK_VOLUME1 must be set to 30303030 for SPDIF AC3 Playback */
    372						/* SPDIF mixer input volume. 0=12dB, 0x30=0dB, 0xFE=-51.5dB, 0xff=Mute */
    373						/* One register for each of the 4 stereo streams. */
    374						/* SRC Right volume [7:0]
    375						 * SRC Left  volume [15:8]
    376						 * Host Right volume [23:16]
    377						 * Host Left  volume [31:24]
    378						 */
    379#define CAPTURE_ROUTING1        0x67            /* Capture Routing. Default 0x32765410 */
    380						/* Similar to register 0x63, except that the destination is the I2S mixer instead of the SPDIF mixer. I.E. Outputs to the Analog outputs instead of SPDIF. */
    381#define CAPTURE_ROUTING2        0x68            /* Unknown Routing. Default 0x76767676 */
    382						/* Similar to register 0x64, except that the destination is the I2S mixer instead of the SPDIF mixer. I.E. Outputs to the Analog outputs instead of SPDIF. */
    383#define CAPTURE_MUTE            0x69            /* Unknown. While capturing 0x0, while silent 0x00fc0000 */
    384						/* Similar to register 0x65, except that the destination is the I2S mixer instead of the SPDIF mixer. I.E. Outputs to the Analog outputs instead of SPDIF. */
    385#define PLAYBACK_VOLUME2        0x6a            /* Playback Analog volume per channel. Does not effect AC3 output */
    386						/* Similar to register 0x66, except that the destination is the I2S mixer instead of the SPDIF mixer. I.E. Outputs to the Analog outputs instead of SPDIF. */
    387#define UNKNOWN6b               0x6b            /* Unknown. Readonly. Default 00400000 00400000 00400000 00400000 */
    388#define MIDI_UART_A_DATA		0x6c            /* Midi Uart A Data */
    389#define MIDI_UART_A_CMD		0x6d            /* Midi Uart A Command/Status */
    390#define MIDI_UART_B_DATA		0x6e            /* Midi Uart B Data (currently unused) */
    391#define MIDI_UART_B_CMD		0x6f            /* Midi Uart B Command/Status (currently unused) */
    392
    393/* unique channel identifier for midi->channel */
    394
    395#define CA0106_MIDI_CHAN_A		0x1
    396#define CA0106_MIDI_CHAN_B		0x2
    397
    398/* from mpu401 */
    399
    400#define CA0106_MIDI_INPUT_AVAIL 	0x80
    401#define CA0106_MIDI_OUTPUT_READY	0x40
    402#define CA0106_MPU401_RESET		0xff
    403#define CA0106_MPU401_ENTER_UART	0x3f
    404#define CA0106_MPU401_ACK		0xfe
    405
    406#define SAMPLE_RATE_TRACKER_STATUS 0x70         /* Readonly. Default 00108000 00108000 00500000 00500000 */
    407						/* Estimated sample rate [19:0] Relative to 48kHz. 0x8000 =  1.0
    408						 * Rate Locked [20]
    409						 * SPDIF Locked [21] For SPDIF channel only.
    410						 * Valid Audio [22] For SPDIF channel only.
    411						 */
    412#define CAPTURE_CONTROL         0x71            /* Some sort of routing. default = 40c81000 30303030 30300000 00700000 */
    413						/* Channel_id 0: 0x40c81000 must be changed to 0x40c80000 for SPDIF AC3 input or output. */
    414						/* Channel_id 1: 0xffffffff(mute) 0x30303030(max) controls CAPTURE feedback into PLAYBACK. */
    415						/* Sample rate output control register Channel=0
    416						 * Sample output rate [1:0] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
    417						 * Sample input rate [3:2] (0=48kHz, 1=Not available, 2=96kHz, 3=192Khz)
    418						 * SRC input source select [4] 0=Audio from digital mixer, 1=Audio from analog source.
    419						 * Record rate [9:8] (0=48kHz, 1=Not available, 2=96kHz, 3=192Khz)
    420						 * Record mixer output enable [12:10] 
    421						 * I2S input rate master mode [15:14] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
    422						 * I2S output rate [17:16] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
    423						 * I2S output source select [18] (0=Audio from host, 1=Audio from SRC)
    424						 * Record mixer I2S enable [20:19] (enable/disable i2sin1 and i2sin0)
    425						 * I2S output master clock select [21] (0=256*I2S output rate, 1=512*I2S output rate.)
    426						 * I2S input master clock select [22] (0=256*I2S input rate, 1=512*I2S input rate.)
    427						 * I2S input mode [23] (0=Slave, 1=Master)
    428						 * SPDIF output rate [25:24] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
    429						 * SPDIF output source select [26] (0=host, 1=SRC)
    430						 * Not used [27]
    431						 * Record Source 0 input [29:28] (0=SPDIF in, 1=I2S in, 2=AC97 Mic, 3=AC97 PCM)
    432						 * Record Source 1 input [31:30] (0=SPDIF in, 1=I2S in, 2=AC97 Mic, 3=AC97 PCM)
    433						 */ 
    434						/* Sample rate output control register Channel=1
    435						 * I2S Input 0 volume Right [7:0]
    436						 * I2S Input 0 volume Left [15:8]
    437						 * I2S Input 1 volume Right [23:16]
    438						 * I2S Input 1 volume Left [31:24]
    439						 */
    440						/* Sample rate output control register Channel=2
    441						 * SPDIF Input volume Right [23:16]
    442						 * SPDIF Input volume Left [31:24]
    443						 */
    444						/* Sample rate output control register Channel=3
    445						 * No used
    446						 */
    447#define SPDIF_SELECT2           0x72            /* Some sort of routing. Channel_id 0 only. default = 0x0f0f003f. Analog 0x000b0000, Digital 0x0b000000 */
    448#define ROUTING2_FRONT_MASK     0x00010000      /* Enable for Front speakers. */
    449#define ROUTING2_CENTER_LFE_MASK 0x00020000     /* Enable for Center/LFE speakers. */
    450#define ROUTING2_REAR_MASK      0x00080000      /* Enable for Rear speakers. */
    451						/* Audio output control
    452						 * AC97 output enable [5:0]
    453						 * I2S output enable [19:16]
    454						 * SPDIF output enable [27:24]
    455						 */ 
    456#define UNKNOWN73               0x73            /* Unknown. Readonly. Default 0x0 */
    457#define CHIP_VERSION            0x74            /* P17 Chip version. Channel_id 0 only. Default 00000071 */
    458#define EXTENDED_INT_MASK       0x75            /* Used by both playback and capture interrupt handler */
    459						/* Sets which Interrupts are enabled. */
    460						/* 0x00000001 = Half period. Playback.
    461						 * 0x00000010 = Full period. Playback.
    462						 * 0x00000100 = Half buffer. Playback.
    463						 * 0x00001000 = Full buffer. Playback.
    464						 * 0x00010000 = Half buffer. Capture.
    465						 * 0x00100000 = Full buffer. Capture.
    466						 * Capture can only do 2 periods.
    467						 * 0x01000000 = End audio. Playback.
    468						 * 0x40000000 = Half buffer Playback,Caputre xrun.
    469						 * 0x80000000 = Full buffer Playback,Caputre xrun.
    470						 */
    471#define EXTENDED_INT            0x76            /* Used by both playback and capture interrupt handler */
    472						/* Shows which interrupts are active at the moment. */
    473						/* Same bit layout as EXTENDED_INT_MASK */
    474#define COUNTER77               0x77		/* Counter range 0 to 0x3fffff, 192000 counts per second. */
    475#define COUNTER78               0x78		/* Counter range 0 to 0x3fffff, 44100 counts per second. */
    476#define EXTENDED_INT_TIMER      0x79            /* Channel_id 0 only. Used by both playback and capture interrupt handler */
    477						/* Causes interrupts based on timer intervals. */
    478#define SPI			0x7a		/* SPI: Serial Interface Register */
    479#define I2C_A			0x7b		/* I2C Address. 32 bit */
    480#define I2C_D0			0x7c		/* I2C Data Port 0. 32 bit */
    481#define I2C_D1			0x7d		/* I2C Data Port 1. 32 bit */
    482//I2C values
    483#define I2C_A_ADC_ADD_MASK	0x000000fe	//The address is a 7 bit address
    484#define I2C_A_ADC_RW_MASK	0x00000001	//bit mask for R/W
    485#define I2C_A_ADC_TRANS_MASK	0x00000010  	//Bit mask for I2c address DAC value
    486#define I2C_A_ADC_ABORT_MASK	0x00000020	//Bit mask for I2C transaction abort flag
    487#define I2C_A_ADC_LAST_MASK	0x00000040	//Bit mask for Last word transaction
    488#define I2C_A_ADC_BYTE_MASK	0x00000080	//Bit mask for Byte Mode
    489
    490#define I2C_A_ADC_ADD		0x00000034	//This is the Device address for ADC 
    491#define I2C_A_ADC_READ		0x00000001	//To perform a read operation
    492#define I2C_A_ADC_START		0x00000100	//Start I2C transaction
    493#define I2C_A_ADC_ABORT		0x00000200	//I2C transaction abort
    494#define I2C_A_ADC_LAST		0x00000400	//I2C last transaction
    495#define I2C_A_ADC_BYTE		0x00000800	//I2C one byte mode
    496
    497#define I2C_D_ADC_REG_MASK	0xfe000000  	//ADC address register 
    498#define I2C_D_ADC_DAT_MASK	0x01ff0000  	//ADC data register
    499
    500#define ADC_TIMEOUT		0x00000007	//ADC Timeout Clock Disable
    501#define ADC_IFC_CTRL		0x0000000b	//ADC Interface Control
    502#define ADC_MASTER		0x0000000c	//ADC Master Mode Control
    503#define ADC_POWER		0x0000000d	//ADC PowerDown Control
    504#define ADC_ATTEN_ADCL		0x0000000e	//ADC Attenuation ADCL
    505#define ADC_ATTEN_ADCR		0x0000000f	//ADC Attenuation ADCR
    506#define ADC_ALC_CTRL1		0x00000010	//ADC ALC Control 1
    507#define ADC_ALC_CTRL2		0x00000011	//ADC ALC Control 2
    508#define ADC_ALC_CTRL3		0x00000012	//ADC ALC Control 3
    509#define ADC_NOISE_CTRL		0x00000013	//ADC Noise Gate Control
    510#define ADC_LIMIT_CTRL		0x00000014	//ADC Limiter Control
    511#define ADC_MUX			0x00000015  	//ADC Mux offset
    512
    513#if 0
    514/* FIXME: Not tested yet. */
    515#define ADC_GAIN_MASK		0x000000ff	//Mask for ADC Gain
    516#define ADC_ZERODB		0x000000cf	//Value to set ADC to 0dB
    517#define ADC_MUTE_MASK		0x000000c0	//Mask for ADC mute
    518#define ADC_MUTE		0x000000c0	//Value to mute ADC
    519#define ADC_OSR			0x00000008	//Mask for ADC oversample rate select
    520#define ADC_TIMEOUT_DISABLE	0x00000008	//Value and mask to disable Timeout clock
    521#define ADC_HPF_DISABLE		0x00000100	//Value and mask to disable High pass filter
    522#define ADC_TRANWIN_MASK	0x00000070	//Mask for Length of Transient Window
    523#endif
    524
    525#define ADC_MUX_MASK		0x0000000f	//Mask for ADC Mux
    526#define ADC_MUX_PHONE		0x00000001	//Value to select TAD at ADC Mux (Not used)
    527#define ADC_MUX_MIC		0x00000002	//Value to select Mic at ADC Mux
    528#define ADC_MUX_LINEIN		0x00000004	//Value to select LineIn at ADC Mux
    529#define ADC_MUX_AUX		0x00000008	//Value to select Aux at ADC Mux
    530
    531#define SET_CHANNEL 0  /* Testing channel outputs 0=Front, 1=Center/LFE, 2=Unknown, 3=Rear */
    532#define PCM_FRONT_CHANNEL 0
    533#define PCM_REAR_CHANNEL 1
    534#define PCM_CENTER_LFE_CHANNEL 2
    535#define PCM_UNKNOWN_CHANNEL 3
    536#define CONTROL_FRONT_CHANNEL 0
    537#define CONTROL_REAR_CHANNEL 3
    538#define CONTROL_CENTER_LFE_CHANNEL 1
    539#define CONTROL_UNKNOWN_CHANNEL 2
    540
    541
    542/* Based on WM8768 Datasheet Rev 4.2 page 32 */
    543#define SPI_REG_MASK	0x1ff	/* 16-bit SPI writes have a 7-bit address */
    544#define SPI_REG_SHIFT	9	/* followed by 9 bits of data */
    545
    546#define SPI_LDA1_REG		0	/* digital attenuation */
    547#define SPI_RDA1_REG		1
    548#define SPI_LDA2_REG		4
    549#define SPI_RDA2_REG		5
    550#define SPI_LDA3_REG		6
    551#define SPI_RDA3_REG		7
    552#define SPI_LDA4_REG		13
    553#define SPI_RDA4_REG		14
    554#define SPI_MASTDA_REG		8
    555
    556#define SPI_DA_BIT_UPDATE	(1<<8)	/* update attenuation values */
    557#define SPI_DA_BIT_0dB		0xff	/* 0 dB */
    558#define SPI_DA_BIT_infdB	0x00	/* inf dB attenuation (mute) */
    559
    560#define SPI_PL_REG		2
    561#define SPI_PL_BIT_L_M		(0<<5)	/* left channel = mute */
    562#define SPI_PL_BIT_L_L		(1<<5)	/* left channel = left */
    563#define SPI_PL_BIT_L_R		(2<<5)	/* left channel = right */
    564#define SPI_PL_BIT_L_C		(3<<5)	/* left channel = (L+R)/2 */
    565#define SPI_PL_BIT_R_M		(0<<7)	/* right channel = mute */
    566#define SPI_PL_BIT_R_L		(1<<7)	/* right channel = left */
    567#define SPI_PL_BIT_R_R		(2<<7)	/* right channel = right */
    568#define SPI_PL_BIT_R_C		(3<<7)	/* right channel = (L+R)/2 */
    569#define SPI_IZD_REG		2
    570#define SPI_IZD_BIT		(0<<4)	/* infinite zero detect */
    571
    572#define SPI_FMT_REG		3
    573#define SPI_FMT_BIT_RJ		(0<<0)	/* right justified mode */
    574#define SPI_FMT_BIT_LJ		(1<<0)	/* left justified mode */
    575#define SPI_FMT_BIT_I2S		(2<<0)	/* I2S mode */
    576#define SPI_FMT_BIT_DSP		(3<<0)	/* DSP Modes A or B */
    577#define SPI_LRP_REG		3
    578#define SPI_LRP_BIT		(1<<2)	/* invert LRCLK polarity */
    579#define SPI_BCP_REG		3
    580#define SPI_BCP_BIT		(1<<3)	/* invert BCLK polarity */
    581#define SPI_IWL_REG		3
    582#define SPI_IWL_BIT_16		(0<<4)	/* 16-bit world length */
    583#define SPI_IWL_BIT_20		(1<<4)	/* 20-bit world length */
    584#define SPI_IWL_BIT_24		(2<<4)	/* 24-bit world length */
    585#define SPI_IWL_BIT_32		(3<<4)	/* 32-bit world length */
    586
    587#define SPI_MS_REG		10
    588#define SPI_MS_BIT		(1<<5)	/* master mode */
    589#define SPI_RATE_REG		10	/* only applies in master mode */
    590#define SPI_RATE_BIT_128	(0<<6)	/* MCLK = LRCLK * 128 */
    591#define SPI_RATE_BIT_192	(1<<6)
    592#define SPI_RATE_BIT_256	(2<<6)
    593#define SPI_RATE_BIT_384	(3<<6)
    594#define SPI_RATE_BIT_512	(4<<6)
    595#define SPI_RATE_BIT_768	(5<<6)
    596
    597/* They really do label the bit for the 4th channel "4" and not "3" */
    598#define SPI_DMUTE0_REG		9
    599#define SPI_DMUTE1_REG		9
    600#define SPI_DMUTE2_REG		9
    601#define SPI_DMUTE4_REG		15
    602#define SPI_DMUTE0_BIT		(1<<3)
    603#define SPI_DMUTE1_BIT		(1<<4)
    604#define SPI_DMUTE2_BIT		(1<<5)
    605#define SPI_DMUTE4_BIT		(1<<2)
    606
    607#define SPI_PHASE0_REG		3
    608#define SPI_PHASE1_REG		3
    609#define SPI_PHASE2_REG		3
    610#define SPI_PHASE4_REG		15
    611#define SPI_PHASE0_BIT		(1<<6)
    612#define SPI_PHASE1_BIT		(1<<7)
    613#define SPI_PHASE2_BIT		(1<<8)
    614#define SPI_PHASE4_BIT		(1<<3)
    615
    616#define SPI_PDWN_REG		2	/* power down all DACs */
    617#define SPI_PDWN_BIT		(1<<2)
    618#define SPI_DACD0_REG		10	/* power down individual DACs */
    619#define SPI_DACD1_REG		10
    620#define SPI_DACD2_REG		10
    621#define SPI_DACD4_REG		15
    622#define SPI_DACD0_BIT		(1<<1)
    623#define SPI_DACD1_BIT		(1<<2)
    624#define SPI_DACD2_BIT		(1<<3)
    625#define SPI_DACD4_BIT		(1<<0)	/* datasheet error says it's 1 */
    626
    627#define SPI_PWRDNALL_REG	10	/* power down everything */
    628#define SPI_PWRDNALL_BIT	(1<<4)
    629
    630#include "ca_midi.h"
    631
    632struct snd_ca0106;
    633
    634struct snd_ca0106_channel {
    635	struct snd_ca0106 *emu;
    636	int number;
    637	int use;
    638	void (*interrupt)(struct snd_ca0106 *emu, struct snd_ca0106_channel *channel);
    639	struct snd_ca0106_pcm *epcm;
    640};
    641
    642struct snd_ca0106_pcm {
    643	struct snd_ca0106 *emu;
    644	struct snd_pcm_substream *substream;
    645        int channel_id;
    646	unsigned short running;
    647};
    648
    649struct snd_ca0106_details {
    650        u32 serial;
    651        char * name;
    652	int ac97;	/* ac97 = 0 -> Select MIC, Line in, TAD in, AUX in.
    653			   ac97 = 1 -> Default to AC97 in. */
    654	int gpio_type;	/* gpio_type = 1 -> shared mic-in/line-in
    655			   gpio_type = 2 -> shared side-out/line-in. */
    656	int i2c_adc;	/* with i2c_adc=1, the driver adds some capture volume
    657			   controls, phone, mic, line-in and aux. */
    658	u16 spi_dac;	/* spi_dac = 0 -> no spi interface for DACs
    659			   spi_dac = 0x<front><rear><center-lfe><side>
    660			   -> specifies DAC id for each channel pair. */
    661};
    662
    663// definition of the chip-specific record
    664struct snd_ca0106 {
    665	struct snd_card *card;
    666	const struct snd_ca0106_details *details;
    667	struct pci_dev *pci;
    668
    669	unsigned long port;
    670	int irq;
    671
    672	unsigned int serial;            /* serial number */
    673	unsigned short model;		/* subsystem id */
    674
    675	spinlock_t emu_lock;
    676
    677	struct snd_ac97 *ac97;
    678	struct snd_pcm *pcm[4];
    679
    680	struct snd_ca0106_channel playback_channels[4];
    681	struct snd_ca0106_channel capture_channels[4];
    682	u32 spdif_bits[4];             /* s/pdif out default setup */
    683	u32 spdif_str_bits[4];         /* s/pdif out per-stream setup */
    684	int spdif_enable;
    685	int capture_source;
    686	int i2c_capture_source;
    687	u8 i2c_capture_volume[4][2];
    688	int capture_mic_line_in;
    689
    690	struct snd_dma_buffer *buffer;
    691
    692	struct snd_ca_midi midi;
    693	struct snd_ca_midi midi2;
    694
    695	u16 spi_dac_reg[16];
    696
    697#ifdef CONFIG_PM_SLEEP
    698#define NUM_SAVED_VOLUMES	9
    699	unsigned int saved_vol[NUM_SAVED_VOLUMES];
    700#endif
    701};
    702
    703int snd_ca0106_mixer(struct snd_ca0106 *emu);
    704int snd_ca0106_proc_init(struct snd_ca0106 * emu);
    705
    706unsigned int snd_ca0106_ptr_read(struct snd_ca0106 * emu, 
    707				 unsigned int reg, 
    708				 unsigned int chn);
    709
    710void snd_ca0106_ptr_write(struct snd_ca0106 *emu, 
    711			  unsigned int reg, 
    712			  unsigned int chn, 
    713			  unsigned int data);
    714
    715int snd_ca0106_i2c_write(struct snd_ca0106 *emu, u32 reg, u32 value);
    716
    717int snd_ca0106_spi_write(struct snd_ca0106 * emu,
    718				   unsigned int data);
    719
    720#ifdef CONFIG_PM_SLEEP
    721void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip);
    722void snd_ca0106_mixer_resume(struct snd_ca0106 *chip);
    723#else
    724#define snd_ca0106_mixer_suspend(chip)	do { } while (0)
    725#define snd_ca0106_mixer_resume(chip)	do { } while (0)
    726#endif