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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>4 * Driver p16v chips5 *6 * This code was initially based on code from ALSA's emu10k1x.c which is:7 * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>8 */9 10/********************************************************************************************************/11/* Audigy2 P16V pointer-offset register set, accessed through the PTR2 and DATA2 registers */12/********************************************************************************************************/13 14/* The sample rate of the SPDIF outputs is set by modifying a register in the EMU10K2 PTR register A_SPDIF_SAMPLERATE.15 * The sample rate is also controlled by the same registers that control the rate of the EMU10K2 sample rate converters.16 */17 18/* Initially all registers from 0x00 to 0x3f have zero contents. */19#define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */20 /* One list entry: 4 bytes for DMA address, 21 * 4 bytes for period_size << 16.22 * One list entry is 8 bytes long.23 * One list entry for each period in the buffer.24 */25#define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */26#define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */27#define PLAYBACK_UNKNOWN3 0x03 /* Not used */28#define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */29#define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size. win2000 uses 0x04000000 */30#define PLAYBACK_POINTER 0x06 /* Playback period pointer. Used with PLAYBACK_LIST_PTR to determine buffer position currently in DAC */31#define PLAYBACK_FIFO_END_ADDRESS 0x07 /* Playback FIFO end address */32#define PLAYBACK_FIFO_POINTER 0x08 /* Playback FIFO pointer and number of valid sound samples in cache */33#define PLAYBACK_UNKNOWN9 0x09 /* Not used */34#define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */35#define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */36#define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */37#define CAPTURE_FIFO_POINTER 0x13 /* Capture FIFO pointer and number of valid sound samples in cache */38#define CAPTURE_P16V_VOLUME1 0x14 /* Low: Capture volume 0xXXXX3030 */39#define CAPTURE_P16V_VOLUME2 0x15 /* High:Has no effect on capture volume */40#define CAPTURE_P16V_SOURCE 0x16 /* P16V source select. Set to 0x0700E4E5 for AC97 CAPTURE */41 /* [0:1] Capture input 0 channel select. 0 = Capture output 0.42 * 1 = Capture output 1.43 * 2 = Capture output 2.44 * 3 = Capture output 3.45 * [3:2] Capture input 1 channel select. 0 = Capture output 0.46 * 1 = Capture output 1.47 * 2 = Capture output 2.48 * 3 = Capture output 3.49 * [5:4] Capture input 2 channel select. 0 = Capture output 0.50 * 1 = Capture output 1.51 * 2 = Capture output 2.52 * 3 = Capture output 3.53 * [7:6] Capture input 3 channel select. 0 = Capture output 0.54 * 1 = Capture output 1.55 * 2 = Capture output 2.56 * 3 = Capture output 3.57 * [9:8] Playback input 0 channel select. 0 = Play output 0.58 * 1 = Play output 1.59 * 2 = Play output 2.60 * 3 = Play output 3.61 * [11:10] Playback input 1 channel select. 0 = Play output 0.62 * 1 = Play output 1.63 * 2 = Play output 2.64 * 3 = Play output 3.65 * [13:12] Playback input 2 channel select. 0 = Play output 0.66 * 1 = Play output 1.67 * 2 = Play output 2.68 * 3 = Play output 3.69 * [15:14] Playback input 3 channel select. 0 = Play output 0.70 * 1 = Play output 1.71 * 2 = Play output 2.72 * 3 = Play output 3.73 * [19:16] Playback mixer output enable. 1 bit per channel.74 * [23:20] Capture mixer output enable. 1 bit per channel.75 * [26:24] FX engine channel capture 0 = 0x60-0x67.76 * 1 = 0x68-0x6f.77 * 2 = 0x70-0x77.78 * 3 = 0x78-0x7f.79 * 4 = 0x80-0x87.80 * 5 = 0x88-0x8f.81 * 6 = 0x90-0x97.82 * 7 = 0x98-0x9f.83 * [31:27] Not used.84 */85 86 /* 0x1 = capture on.87 * 0x100 = capture off.88 * 0x200 = capture off.89 * 0x1000 = capture off.90 */91#define CAPTURE_RATE_STATUS 0x17 /* Capture sample rate. Read only */92 /* [15:0] Not used.93 * [18:16] Channel 0 Detected sample rate. 0 - 44.1khz94 * 1 - 48 khz95 * 2 - 96 khz96 * 3 - 192 khz97 * 7 - undefined rate.98 * [19] Channel 0. 1 - Valid, 0 - Not Valid.99 * [22:20] Channel 1 Detected sample rate. 100 * [23] Channel 1. 1 - Valid, 0 - Not Valid.101 * [26:24] Channel 2 Detected sample rate. 102 * [27] Channel 2. 1 - Valid, 0 - Not Valid.103 * [30:28] Channel 3 Detected sample rate. 104 * [31] Channel 3. 1 - Valid, 0 - Not Valid.105 */106/* 0x18 - 0x1f unused */107#define PLAYBACK_LAST_SAMPLE 0x20 /* The sample currently being played. Read only */108/* 0x21 - 0x3f unused */109#define BASIC_INTERRUPT 0x40 /* Used by both playback and capture interrupt handler */110 /* Playback (0x1<<channel_id) Don't touch high 16bits. */111 /* Capture (0x100<<channel_id). not tested */112 /* Start Playback [3:0] (one bit per channel)113 * Start Capture [11:8] (one bit per channel)114 * Record source select for channel 0 [18:16]115 * Record source select for channel 1 [22:20]116 * Record source select for channel 2 [26:24]117 * Record source select for channel 3 [30:28]118 * 0 - SPDIF channel.119 * 1 - I2S channel.120 * 2 - SRC48 channel.121 * 3 - SRCMulti_SPDIF channel.122 * 4 - SRCMulti_I2S channel.123 * 5 - SPDIF channel.124 * 6 - fxengine capture.125 * 7 - AC97 capture.126 */127 /* Default 41110000.128 * Writing 0xffffffff hangs the PC.129 * Writing 0xffff0000 -> 77770000 so it must be some sort of route.130 * bit 0x1 starts DMA playback on channel_id 0131 */132/* 0x41,42 take values from 0 - 0xffffffff, but have no effect on playback */133/* 0x43,0x48 do not remember settings */134/* 0x41-45 unused */135#define WATERMARK 0x46 /* Test bit to indicate cache level usage */136 /* Values it can have while playing on channel 0. 137 * 0000f000, 0000f004, 0000f008, 0000f00c.138 * Readonly.139 */140/* 0x47-0x4f unused */141/* 0x50-0x5f Capture cache data */142#define SRCSel 0x60 /* SRCSel. Default 0x4. Bypass P16V 0x14 */143 /* [0] 0 = 10K2 audio, 1 = SRC48 mixer output.144 * [2] 0 = 10K2 audio, 1 = SRCMulti SPDIF mixer output.145 * [4] 0 = 10K2 audio, 1 = SRCMulti I2S mixer output.146 */147 /* SRC48 converts samples rates 44.1, 48, 96, 192 to 48 khz. */148 /* SRCMulti converts 48khz samples rates to 44.1, 48, 96, 192 to 48. */149 /* SRC48 and SRCMULTI sample rate select and output select. */150 /* 0xffffffff -> 0xC0000015151 * 0xXXXXXXX4 = Enable Front Left/Right152 * Enable PCMs153 */154 155/* 0x61 -> 0x6c are Volume controls */156#define PLAYBACK_VOLUME_MIXER1 0x61 /* SRC48 Low to mixer input volume control. */157#define PLAYBACK_VOLUME_MIXER2 0x62 /* SRC48 High to mixer input volume control. */158#define PLAYBACK_VOLUME_MIXER3 0x63 /* SRCMULTI SPDIF Low to mixer input volume control. */159#define PLAYBACK_VOLUME_MIXER4 0x64 /* SRCMULTI SPDIF High to mixer input volume control. */160#define PLAYBACK_VOLUME_MIXER5 0x65 /* SRCMULTI I2S Low to mixer input volume control. */161#define PLAYBACK_VOLUME_MIXER6 0x66 /* SRCMULTI I2S High to mixer input volume control. */162#define PLAYBACK_VOLUME_MIXER7 0x67 /* P16V Low to SRCMULTI SPDIF mixer input volume control. */163#define PLAYBACK_VOLUME_MIXER8 0x68 /* P16V High to SRCMULTI SPDIF mixer input volume control. */164#define PLAYBACK_VOLUME_MIXER9 0x69 /* P16V Low to SRCMULTI I2S mixer input volume control. */165 /* 0xXXXX3030 = PCM0 Volume (Front).166 * 0x3030XXXX = PCM1 Volume (Center)167 */168#define PLAYBACK_VOLUME_MIXER10 0x6a /* P16V High to SRCMULTI I2S mixer input volume control. */169 /* 0x3030XXXX = PCM3 Volume (Rear). */170#define PLAYBACK_VOLUME_MIXER11 0x6b /* E10K2 Low to SRC48 mixer input volume control. */171#define PLAYBACK_VOLUME_MIXER12 0x6c /* E10K2 High to SRC48 mixer input volume control. */172 173#define SRC48_ENABLE 0x6d /* SRC48 input audio enable */174 /* SRC48 converts samples rates 44.1, 48, 96, 192 to 48 khz. */175 /* [23:16] The corresponding P16V channel to SRC48 enabled if == 1.176 * [31:24] The corresponding E10K2 channel to SRC48 enabled.177 */178#define SRCMULTI_ENABLE 0x6e /* SRCMulti input audio enable. Default 0xffffffff */179 /* SRCMulti converts 48khz samples rates to 44.1, 48, 96, 192 to 48. */180 /* [7:0] The corresponding P16V channel to SRCMulti_I2S enabled if == 1.181 * [15:8] The corresponding E10K2 channel to SRCMulti I2S enabled.182 * [23:16] The corresponding P16V channel to SRCMulti SPDIF enabled.183 * [31:24] The corresponding E10K2 channel to SRCMulti SPDIF enabled.184 */185 /* Bypass P16V 0xff00ff00 186 * Bitmap. 0 = Off, 1 = On.187 * P16V playback outputs:188 * 0xXXXXXXX1 = PCM0 Left. (Front)189 * 0xXXXXXXX2 = PCM0 Right.190 * 0xXXXXXXX4 = PCM1 Left. (Center/LFE)191 * 0xXXXXXXX8 = PCM1 Right.192 * 0xXXXXXX1X = PCM2 Left. (Unknown)193 * 0xXXXXXX2X = PCM2 Right.194 * 0xXXXXXX4X = PCM3 Left. (Rear)195 * 0xXXXXXX8X = PCM3 Right.196 */197#define AUDIO_OUT_ENABLE 0x6f /* Default: 000100FF */198 /* [3:0] Does something, but not documented. Probably capture enable.199 * [7:4] Playback channels enable. not documented.200 * [16] AC97 output enable if == 1201 * [30] 0 = SRCMulti_I2S input from fxengine 0x68-0x6f.202 * 1 = SRCMulti_I2S input from SRC48 output.203 * [31] 0 = SRCMulti_SPDIF input from fxengine 0x60-0x67.204 * 1 = SRCMulti_SPDIF input from SRC48 output.205 */206 /* 0xffffffff -> C00100FF */207 /* 0 -> Not playback sound, irq still running */208 /* 0xXXXXXX10 = PCM0 Left/Right On. (Front)209 * 0xXXXXXX20 = PCM1 Left/Right On. (Center/LFE)210 * 0xXXXXXX40 = PCM2 Left/Right On. (Unknown)211 * 0xXXXXXX80 = PCM3 Left/Right On. (Rear)212 */213#define PLAYBACK_SPDIF_SELECT 0x70 /* Default: 12030F00 */214 /* 0xffffffff -> 3FF30FFF */215 /* 0x00000001 pauses stream/irq fail. */216 /* All other bits do not effect playback */217#define PLAYBACK_SPDIF_SRC_SELECT 0x71 /* Default: 0000E4E4 */218 /* 0xffffffff -> F33FFFFF */219 /* All bits do not effect playback */220#define PLAYBACK_SPDIF_USER_DATA0 0x72 /* SPDIF out user data 0 */221#define PLAYBACK_SPDIF_USER_DATA1 0x73 /* SPDIF out user data 1 */222/* 0x74-0x75 unknown */223#define CAPTURE_SPDIF_CONTROL 0x76 /* SPDIF in control setting */224#define CAPTURE_SPDIF_STATUS 0x77 /* SPDIF in status */225#define CAPURE_SPDIF_USER_DATA0 0x78 /* SPDIF in user data 0 */226#define CAPURE_SPDIF_USER_DATA1 0x79 /* SPDIF in user data 1 */227#define CAPURE_SPDIF_USER_DATA2 0x7a /* SPDIF in user data 2 */228 229