#!/bin/bash
##############################################################################
# Copyright (c) 2016 HUAWEI TECHNOLOGIES CO.,LTD and others.
#
# All rights reserved. This program and the accompanying materials
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/*
* Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
* Driver p16v chips
* Version: 0.21
*
* FEATURES currently supported:
* Output fixed at S32_LE, 2 channel to hw:0,0
* Rates: 44.1, 48, 96, 192.
*
* Changelog:
* 0.8
* Use separate card based buffer for periods table.
* 0.9
* Use 2 channel output streams instead of 8 channel.
* (8 channel output streams might be good for ASIO type output)
* Corrected speaker output, so Front -> Front etc.
* 0.10
* Fixed missed interrupts.
* 0.11
* Add Sound card model number and names.
* Add Analog volume controls.
* 0.12
* Corrected playback interrupts. Now interrupt per period, instead of half period.
* 0.13
* Use single trigger for multichannel.
* 0.14
* Mic capture now works at fixed: S32_LE, 96000Hz, Stereo.
* 0.15
* Force buffer_size / period_size == INTEGER.
* 0.16
* Update p16v.c to work with changed alsa api.
* 0.17
* Update p16v.c to work with changed alsa api. Removed boot_devs.
* 0.18
* Merging with snd-emu10k1 driver.
* 0.19
* One stereo channel at 24bit now works.
* 0.20
* Added better register defines.
* 0.21
* Split from p16v.c
*
*
* BUGS:
* Some stability problems when unloading the snd-p16v kernel module.
* --
*
* TODO:
* SPDIF out.
* Find out how to change capture sample rates. E.g. To record SPDIF at 48000Hz.
* Currently capture fixed at 48000Hz.
*
* --
* GENERAL INFO:
* Model: SB0240
* P16V Chip: CA0151-DBS
* Audigy 2 Chip: CA0102-IAT
* AC97 Codec: STAC 9721
* ADC: Philips 1361T (Stereo 24bit)
* DAC: CS4382-K (8-channel, 24bit, 192Khz)
*
* This code was initially based on code from ALSA's emu10k1x.c which is:
* Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/********************************************************************************************************/
/* Audigy2 P16V pointer-offset register set, accessed through the PTR2 and DATA2 registers */
/********************************************************************************************************/
/* The sample rate of the SPDIF outputs is set by modifying a register in the EMU10K2 PTR register A_SPDIF_SAMPLERATE.
* The sample rate is also controlled by the same registers that control the rate of the EMU10K2 sample rate converters.
*/
/* Initially all registers from 0x00 to 0x3f have zero contents. */
#define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */
/* One list entry: 4 bytes for DMA address,
* 4 bytes for period_size << 16.
* One list entry is 8 bytes long.
* One list entry for each period in the buffer.
*/
#define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */
#define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */
#define PLAYBACK_UNKNOWN3 0x03 /* Not used */
#define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */
#define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size. win2000 uses 0x04000000 */
#define PLAYBACK_POINTER 0x06 /* Playback period pointer. Used with PLAYBACK_LIST_PTR to determine buffer position currently in DAC */
#define PLAYBACK_FIFO_END_ADDRESS 0x07 /* Playback FIFO end address */
#define PLAYBACK_FIFO_POINTER 0x08 /* Playback FIFO pointer and number of valid sound samples in cache */
#define PLAYBACK_UNKNOWN9 0x09 /* Not used */
#define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */
#define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */
#define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */
#define CAPTURE_FIFO_POINTER 0x13 /* Capture FIFO pointer and number of valid sound samples in cache */
#define CAPTURE_P16V_VOLUME1 0x14 /* Low: Capture volume 0xXXXX3030 */
#define CAPTURE_P16V_VOLUME2 0x15 /* High:Has no effect on capture volume */
#define CAPTURE_P16V_SOURCE 0x16 /* P16V source select. Set to 0x0700E4E5 for AC97 CAPTURE */
/* [0:1] Capture input 0 channel select. 0 = Capture output 0.
* 1 = Capture output 1.
* 2 = Capture output 2.
* 3 = Capture output 3.
* [3:2] Capture input 1 channel select. 0 = Capture output 0.
* 1 = Capture output 1.
* 2 = Capture output 2.
* 3 = Capture output 3.
* [5:4] Capture input 2 channel select. 0 = Capture output 0.
* 1 = Capture output 1.
* 2 = Capture output 2.
* 3 = Capture output 3.
* [7:6] Capture input 3 channel select. 0 = Capture output 0.
* 1 = Capture output 1.
* 2 = Capture output 2.
* 3 = Capture output 3.
* [9:8] Playback input 0 channel select. 0 = Play output 0.
* 1 = Play output 1.
* 2 = Play output 2.
* 3 = Play output 3.
* [11:10] Playback input 1 channel select. 0 = Play output 0.
* 1 = Play output 1.
* 2 = Play output 2.
* 3 = Play output 3.
* [13:12] Playback input 2 channel select. 0 = Play output 0.
* 1 = Play output 1.
* 2 = Play output 2.
* 3 = Play output 3.
* [15:14] Playback input 3 channel select. 0 = Play output 0.
* 1 = Play output 1.
* 2 = Play output 2.
* 3 = Play output 3.
* [19:16] Playback mixer output enable. 1 bit per channel.
* [23:20] Capture mixer output enable. 1 bit per channel.
* [26:24] FX engine channel capture 0 = 0x60-0x67.
* 1 = 0x68-0x6f.
* 2 = 0x70-0x77.
* 3 = 0x78-0x7f.
* 4 = 0x80-0x87.
* 5 = 0x88-0x8f.
* 6 = 0x90-0x97.
* 7 = 0x98-0x9f.
* [31:27] Not used.
*/
/* 0x1 = capture on.
* 0x100 = capture off.
* 0x200 = capture off.
* 0x1000 = capture off.
*/
#define CAPTURE_RATE_STATUS 0x17 /* Capture sample rate. Read only */
/* [15:0] Not used.
* [18:16] Channel 0 Detected sample rate. 0 - 44.1khz
* 1 - 48 khz
* 2 - 96 khz
* 3 - 192 khz
* 7 - undefined rate.
* [19] Channel 0. 1 - Valid, 0 - Not Valid.
* [22:20] Channel 1 Detected sample rate.
* [23] Channel 1. 1 - Valid, 0 - Not Valid.
* [26:24] Channel 2 Detected sample rate.
* [27] Channel 2. 1 - Valid, 0 - Not Valid.
* [30:28] Channel 3 Detected sample rate.
* [31] Channel 3. 1 - Valid, 0 - Not Valid.
*/
/* 0x18 - 0x1f unused */
#define PLAYBACK_LAST_SAMPLE 0x20 /* The sample currently being played. Read only */
/* 0x21 - 0x3f unused */
#define BASIC_INTERRUPT 0x40 /* Used by both playback and capture interrupt handler */
/* Playback (0x1<<channel_id) Don't touch high 16bits. */
/* Capture (0x100<<channel_id). not tested */
/* Start Playback [3:0] (one bit per channel)
* Start Capture [11:8] (one bit per channel)
* Record source select for channel 0 [18:16]
* Record source select for channel 1 [22:20]
* Record source select for channel 2 [26:24]
* Record source select for channel 3 [30:28]
* 0 - SPDIF channel.
* 1 - I2S channel.
* 2 - SRC48 channel.
* 3 - SRCMulti_SPDIF channel.
* 4 - SRCMulti_I2S channel.
* 5 - SPDIF channel.
* 6 - fxengine capture.
* 7 - AC97 capture.
*/
/* Default 41110000.
* Writing 0xffffffff hangs the PC.
* Writing 0xffff0000 -> 77770000 so it must be some sort of route.
* bit 0x1 starts DMA playback on channel_id 0
*/
/* 0x41,42 take values from 0 - 0xffffffff, but have no effect on playback */
/* 0x43,0x48 do not remember settings */
/* 0x41-45 unused */
#define WATERMARK 0x46 /* Test bit to indicate cache level usage */
/* Values it can have while playing on channel 0.
* 0000f000, 0000f004, 0000f008, 0000f00c.
* Readonly.
*/
/* 0x47-0x4f unused */
/* 0x50-0x5f Capture cache data */
#define SRCSel 0x60 /* SRCSel. Default 0x4. Bypass P16V 0x14 */
/* [0] 0 = 10K2 audio, 1 = SRC48 mixer output.
* [2] 0 = 10K2 audio, 1 = SRCMulti SPDIF mixer output.
* [4] 0 = 10K2 audio, 1 = SRCMulti I2S mixer output.
*/
/* SRC48 converts samples rates 44.1, 48, 96, 192 to 48 khz. */
/* SRCMulti converts 48khz samples rates to 44.1, 48, 96, 192 to 48. */
/* SRC48 and SRCMULTI sample rate select and output select. */
/* 0xffffffff -> 0xC0000015
* 0xXXXXXXX4 = Enable Front Left/Right
* Enable PCMs
*/
/* 0x61 -> 0x6c are Volume controls */
#define PLAYBACK_VOLUME_MIXER1 0x61 /* SRC48 Low to mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER2 0x62 /* SRC48 High to mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER3 0x63 /* SRCMULTI SPDIF Low to mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER4 0x64 /* SRCMULTI SPDIF High to mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER5 0x65 /* SRCMULTI I2S Low to mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER6 0x66 /* SRCMULTI I2S High to mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER7 0x67 /* P16V Low to SRCMULTI SPDIF mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER8 0x68 /* P16V High to SRCMULTI SPDIF mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER9 0x69 /* P16V Low to SRCMULTI I2S mixer input volume control. */
/* 0xXXXX3030 = PCM0 Volume (Front).
* 0x3030XXXX = PCM1 Volume (Center)
*/
#define PLAYBACK_VOLUME_MIXER10 0x6a /* P16V High to SRCMULTI I2S mixer input volume control. */
/* 0x3030XXXX = PCM3 Volume (Rear). */
#define PLAYBACK_VOLUME_MIXER11 0x6b /* E10K2 Low to SRC48 mixer input volume control. */
#define PLAYBACK_VOLUME_MIXER12 0x6c /* E10K2 High to SRC48 mixer input volume control. */
#define SRC48_ENABLE 0x6d /* SRC48 input audio enable */
/* SRC48 converts samples rates 44.1, 48, 96, 192 to 48 khz. */
/* [23:16] The corresponding P16V channel to SRC48 enabled if == 1.
* [31:24] The corresponding E10K2 channel to SRC48 enabled.
*/
#define SRCMULTI_ENABLE 0x6e /* SRCMulti input audio enable. Default 0xffffffff */
/* SRCMulti converts 48khz samples rates to 44.1, 48, 96, 192 to 48. */
/* [7:0] The corresponding P16V channel to SRCMulti_I2S enabled if == 1.
* [15:8] The corresponding E10K2 channel to SRCMulti I2S enabled.
* [23:16] The corresponding P16V channel to SRCMulti SPDIF enabled.
* [31:24] The corresponding E10K2 channel to SRCMulti SPDIF enabled.
*/
/* Bypass P16V 0xff00ff00
* Bitmap. 0 = Off, 1 = On.
* P16V playback outputs:
* 0xXXXXXXX1 = PCM0 Left. (Front)
* 0xXXXXXXX2 = PCM0 Right.
* 0xXXXXXXX4 = PCM1 Left. (Center/LFE)
* 0xXXXXXXX8 = PCM1 Right.
* 0xXXXXXX1X = PCM2 Left. (Unknown)
* 0xXXXXXX2X = PCM2 Right.
* 0xXXXXXX4X = PCM3 Left. (Rear)
* 0xXXXXXX8X = PCM3 Right.
*/
#define AUDIO_OUT_ENABLE 0x6f /* Default: 000100FF */
/* [3:0] Does something, but not documented. Probably capture enable.
* [7:4] Playback channels enable. not documented.
* [16] AC97 output enable if == 1
* [30] 0 = SRCMulti_I2S input from fxengine 0x68-0x6f.
* 1 = SRCMulti_I2S input from SRC48 output.
* [31] 0 = SRCMulti_SPDIF input from fxengine 0x60-0x67.
* 1 = SRCMulti_SPDIF input from SRC48 output.
*/
/* 0xffffffff -> C00100FF */
/* 0 -> Not playback sound, irq still running */
/* 0xXXXXXX10 = PCM0 Left/Right On. (Front)
* 0xXXXXXX20 = PCM1 Left/Right On. (Center/LFE)
* 0xXXXXXX40 = PCM2 Left/Right On. (Unknown)
* 0xXXXXXX80 = PCM3 Left/Right On. (Rear)
*/
#define PLAYBACK_SPDIF_SELECT 0x70 /* Default: 12030F00 */
/* 0xffffffff -> 3FF30FFF */
/* 0x00000001 pauses stream/irq fail. */
/* All other bits do not effect playback */
#define PLAYBACK_SPDIF_SRC_SELECT 0x71 /* Default: 0000E4E4 */
/* 0xffffffff -> F33FFFFF */
/* All bits do not effect playback */
#define PLAYBACK_SPDIF_USER_DATA0 0x72 /* SPDIF out user data 0 */
#define PLAYBACK_SPDIF_USER_DATA1 0x73 /* SPDIF out user data 1 */
/* 0x74-0x75 unknown */
#define CAPTURE_SPDIF_CONTROL 0x76 /* SPDIF in control setting */
#define CAPTURE_SPDIF_STATUS 0x77 /* SPDIF in status */
#define CAPURE_SPDIF_USER_DATA0 0x78 /* SPDIF in user data 0 */
#define CAPURE_SPDIF_USER_DATA1 0x79 /* SPDIF in user data 1 */
#define CAPURE_SPDIF_USER_DATA2 0x7a /* SPDIF in user data 2 */
