/*
* Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
* Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
* Version: 0.0.21
*
* FEATURES currently supported:
* See ca0106_main.c for features.
*
* Changelog:
* Support interrupts per period.
* Removed noise from Center/LFE channel when in Analog mode.
* Rename and remove mixer controls.
* 0.0.6
* Use separate card based DMA buffer for periods table list.
* 0.0.7
* Change remove and rename ctrls into lists.
* 0.0.8
* Try to fix capture sources.
* 0.0.9
* Fix AC3 output.
* Enable S32_LE format support.
* 0.0.10
* Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
* 0.0.11
* Add Model name recognition.
* 0.0.12
* Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
* Remove redundent "voice" handling.
* 0.0.13
* Single trigger call for multi channels.
* 0.0.14
* Set limits based on what the sound card hardware can do.
* playback periods_min=2, periods_max=8
* capture hw constraints require period_size = n * 64 bytes.
* playback hw constraints require period_size = n * 64 bytes.
* 0.0.15
* Separated ca0106.c into separate functional .c files.
* 0.0.16
* Implement 192000 sample rate.
* 0.0.17
* Add support for SB0410 and SB0413.
* 0.0.18
* Modified Copyright message.
* 0.0.19
* Added I2C and SPI registers. Filled in interrupt enable.
* 0.0.20
* Added GPIO info for SB Live 24bit.
* 0.0.21
* Implement support for Line-in capture on SB Live 24bit.
*
*
* This code was initally 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
*
*/
/************************************************************************************************/
/* PCI function 0 registers, address = <val> + PCIBASE0 */
/************************************************************************************************/
#define PTR 0x00 /* Indexed register set pointer register */
/* NOTE: The CHANNELNUM and ADDRESS words can */
/* be modified independently of each other. */
/* CNL[1:0], ADDR[27:16] */
#define DATA 0x04 /* Indexed register set data register */
/* DATA[31:0] */
#define IPR 0x08 /* Global interrupt pending register */
/* Clear pending interrupts by writing a 1 to */
/* the relevant bits and zero to the other bits */
#define IPR_MIDI_RX_B 0x00020000 /* MIDI UART-B Receive buffer non-empty */
#define IPR_MIDI_TX_B 0x00010000 /* MIDI UART-B Transmit buffer empty */
#define IPR_SPDIF_IN_USER 0x00004000 /* SPDIF input user data has 16 more bits */
#define IPR_SPDIF_OUT_USER 0x00002000 /* SPDIF output user data needs 16 more bits */
#define IPR_SPDIF_OUT_FRAME 0x00001000 /* SPDIF frame about to start */
#define IPR_SPI 0x00000800 /* SPI transaction completed */
#define IPR_I2C_EEPROM 0x00000400 /* I2C EEPROM transaction completed */
#define IPR_I2C_DAC 0x00000200 /* I2C DAC transaction completed */
#define IPR_AI 0x00000100 /* Audio pending register changed. See PTR reg 0x76 */
#define IPR_GPI 0x00000080 /* General Purpose input changed */
#define IPR_SRC_LOCKED 0x00000040 /* SRC lock status changed */
#define IPR_SPDIF_STATUS 0x00000020 /* SPDIF status changed */
#define IPR_TIMER2 0x00000010 /* 192000Hz Timer */
#define IPR_TIMER1 0x00000008 /* 44100Hz Timer */
#define IPR_MIDI_RX_A 0x00000004 /* MIDI UART-A Receive buffer non-empty */
#define IPR_MIDI_TX_A 0x00000002 /* MIDI UART-A Transmit buffer empty */
#define IPR_PCI 0x00000001 /* PCI Bus error */
#define INTE 0x0c /* Interrupt enable register */
#define INTE_MIDI_RX_B 0x00020000 /* MIDI UART-B Receive buffer non-empty */
#define INTE_MIDI_TX_B 0x00010000 /* MIDI UART-B Transmit buffer empty */
#define INTE_SPDIF_IN_USER 0x00004000 /* SPDIF input user data has 16 more bits */
#define INTE_SPDIF_OUT_USER 0x00002000 /* SPDIF output user data needs 16 more bits */
#define INTE_SPDIF_OUT_FRAME 0x00001000 /* SPDIF frame about to start */
#define INTE_SPI 0x00000800 /* SPI transaction completed */
#define INTE_I2C_EEPROM 0x00000400 /* I2C EEPROM transaction completed */
#define INTE_I2C_DAC 0x00000200 /* I2C DAC transaction completed */
#define INTE_AI 0x00000100 /* Audio pending register changed. See PTR reg 0x75 */
#define INTE_GPI 0x00000080 /* General Purpose input changed */
#define INTE_SRC_LOCKED 0x00000040 /* SRC lock status changed */
#define INTE_SPDIF_STATUS 0x00000020 /* SPDIF status changed */
#define INTE_TIMER2 0x00000010 /* 192000Hz Timer */
#define INTE_TIMER1 0x00000008 /* 44100Hz Timer */
#define INTE_MIDI_RX_A 0x00000004 /* MIDI UART-A Receive buffer non-empty */
#define INTE_MIDI_TX_A 0x00000002 /* MIDI UART-A Transmit buffer empty */
#define INTE_PCI 0x00000001 /* PCI Bus error */
#define UNKNOWN10 0x10 /* Unknown ??. Defaults to 0 */
#define HCFG 0x14 /* Hardware config register */
/* 0x1000 causes AC3 to fails. It adds a dither bit. */
#define HCFG_STAC 0x10000000 /* Special mode for STAC9460 Codec. */
#define HCFG_CAPTURE_I2S_BYPASS 0x08000000 /* 1 = bypass I2S input async SRC. */
#define HCFG_CAPTURE_SPDIF_BYPASS 0x04000000 /* 1 = bypass SPDIF input async SRC. */
#define HCFG_PLAYBACK_I2S_BYPASS 0x02000000 /* 0 = I2S IN mixer output, 1 = I2S IN1. */
#define HCFG_FORCE_LOCK 0x01000000 /* For test only. Force input SRC tracker to lock. */
#define HCFG_PLAYBACK_ATTENUATION 0x00006000 /* Playback attenuation mask. 0 = 0dB, 1 = 6dB, 2 = 12dB, 3 = Mute. */
#define HCFG_PLAYBACK_DITHER 0x00001000 /* 1 = Add dither bit to all playback channels. */
#define HCFG_PLAYBACK_S32_LE 0x00000800 /* 1 = S32_LE, 0 = S16_LE */
#define HCFG_CAPTURE_S32_LE 0x00000400 /* 1 = S32_LE, 0 = S16_LE (S32_LE current not working) */
#define HCFG_8_CHANNEL_PLAY 0x00000200 /* 1 = 8 channels, 0 = 2 channels per substream.*/
#define HCFG_8_CHANNEL_CAPTURE 0x00000100 /* 1 = 8 channels, 0 = 2 channels per substream.*/
#define HCFG_MONO 0x00000080 /* 1 = I2S Input mono */
#define HCFG_I2S_OUTPUT 0x00000010 /* 1 = I2S Output disabled */
#define HCFG_AC97 0x00000008 /* 0 = AC97 1.0, 1 = AC97 2.0 */
#define HCFG_LOCK_PLAYBACK_CACHE 0x00000004 /* 1 = Cancel bustmaster accesses to soundcache */
/* NOTE: This should generally never be used. */
#define HCFG_LOCK_CAPTURE_CACHE 0x00000002 /* 1 = Cancel bustmaster accesses to soundcache */
/* NOTE: This should generally never be used. */
#define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */
/* Should be set to 1 when the EMU10K1 is */
/* completely initialized. */
#define GPIO 0x18 /* Defaults: 005f03a3-Analog, 005f02a2-SPDIF. */
/* Here pins 0,1,2,3,4,,6 are output. 5,7 are input */
/* For the Audigy LS, pin 0 (or bit 8) controls the SPDIF/Analog jack. */
/* SB Live 24bit:
* bit 8 0 = SPDIF in and out / 1 = Analog (Mic or Line)-in.
* bit 9 0 = Mute / 1 = Analog out.
* bit 10 0 = Line-in / 1 = Mic-in.
* bit 11 0 = ? / 1 = ?
* bit 12 0 = 48 Khz / 1 = 96 Khz Analog out on SB Live 24bit.
* bit 13 0 = ? / 1 = ?
* bit 14 0 = Mute / 1 = Analog out
* bit 15 0 = ? / 1 = ?
* Both bit 9 and bit 14 have to be set for analog sound to work on the SB Live 24bit.
*/
/* 8 general purpose programmable In/Out pins.
* GPI [8:0] Read only. Default 0.
* GPO [15:8] Default 0x9. (Default to SPDIF jack enabled for SPDIF)
* GPO Enable [23:16] Default 0x0f. Setting a bit to 1, causes the pin to be an output pin.
*/
#define AC97DATA 0x1c /* AC97 register set data register (16 bit) */
#define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */
/********************************************************************************************************/
/* CA0106 pointer-offset register set, accessed through the PTR and DATA registers */
/********************************************************************************************************/
/* Initally 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.
*/
/* ADDR[31:0], Default: 0x0 */
#define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */
/* SIZE[21:16], Default: 0x8 */
#define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */
/* PTR[5:0], Default: 0x0 */
#define PLAYBACK_UNKNOWN3 0x03 /* Not used ?? */
#define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA addresss */
/* DMA[31:0], Default: 0x0 */
#define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size. win2000 uses 0x04000000 */
/* SIZE[31:16], Default: 0x0 */
#define PLAYBACK_POINTER 0x06 /* Playback period pointer. Used with PLAYBACK_LIST_PTR to determine buffer position currently in DAC */
/* POINTER[15:0], Default: 0x0 */
#define PLAYBACK_PERIOD_END_ADDR 0x07 /* Playback fifo end address */
/* END_ADDR[15:0], FLAG[16] 0 = don't stop, 1 = stop */
#define PLAYBACK_FIFO_OFFSET_ADDRESS 0x08 /* Current fifo offset address [21:16] */
/* Cache size valid [5:0] */
#define PLAYBACK_UNKNOWN9 0x09 /* 0x9 to 0xf Unused */
#define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */
/* DMA[31:0], Default: 0x0 */
#define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */
/* SIZE[31:16], Default: 0x0 */
#define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */
/* POINTER[15:0], Default: 0x0 */
#define CAPTURE_FIFO_OFFSET_ADDRESS 0x13 /* Current fifo offset address [21:16] */
/* Cache size valid [5:0] */
#define PLAYBACK_LAST_SAMPLE 0x20 /* The sample currently being played */
/* 0x21 - 0x3f unused */
#define BASIC_INTERRUPT 0x40 /* Used by both playback and capture interrupt handler */
/* Playback (0x1<<channel_id) */
/* Capture (0x100<<channel_id) */
/* Playback sample rate 96000 = 0x20000 */
/* Start Playback [3:0] (one bit per channel)
* Start Capture [11:8] (one bit per channel)
* Playback rate [23:16] (2 bits per channel) (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
* Playback mixer in enable [27:24] (one bit per channel)
* Playback mixer out enable [31:28] (one bit per channel)
*/
/* The Digital out jack is shared with the Center/LFE Analogue output.
* The jack has 4 poles. I will call 1 - Tip, 2 - Next to 1, 3 - Next to 2, 4 - Next to 3
* For Analogue: 1 -> Center Speaker, 2 -> Sub Woofer, 3 -> Ground, 4 -> Ground
* For Digital: 1 -> Front SPDIF, 2 -> Rear SPDIF, 3 -> Center/Subwoofer SPDIF, 4 -> Ground.
* Standard 4 pole Video A/V cable with RCA outputs: 1 -> White, 2 -> Yellow, 3 -> Sheild on all three, 4 -> Red.
* So, from this you can see that you cannot use a Standard 4 pole Video A/V cable with the SB Audigy LS card.
*/
/* The Front SPDIF PCM gets mixed with samples from the AC97 codec, so can only work for Stereo PCM and not AC3/DTS
* The Rear SPDIF can be used for Stereo PCM and also AC3/DTS
* The Center/LFE SPDIF cannot be used for AC3/DTS, but can be used for Stereo PCM.
* Summary: For ALSA we use the Rear channel for SPDIF Digital AC3/DTS output
*/
/* A standard 2 pole mono mini-jack to RCA plug can be used for SPDIF Stereo PCM output from the Front channel.
* 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.
*/
#define SPCS0 0x41 /* SPDIF output Channel Status 0 register. For Rear. default=0x02108004, non-audio=0x02108006 */
#define SPCS1 0x42 /* SPDIF output Channel Status 1 register. For Front */
#define SPCS2 0x43 /* SPDIF output Channel Status 2 register. For Center/LFE */
#define SPCS3 0x44 /* SPDIF output Channel Status 3 register. Unknown */
/* When Channel set to 0: */
#define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */
#define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */
#define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */
#define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */
#define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */
#define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */
#define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */
#define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */
#define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */
#define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */
#define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */
#define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */
#define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */
#define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */
#define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */
#define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */
#define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */
#define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */
#define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */
#define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */
#define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */
#define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */
#define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */
/* When Channel set to 1: */
#define SPCS_WORD_LENGTH_MASK 0x0000000f /* Word Length Mask */
#define SPCS_WORD_LENGTH_16 0x00000008 /* Word Length 16 bit */
#define SPCS_WORD_LENGTH_17 0x00000006 /* Word Length 17 bit */
#define SPCS_WORD_LENGTH_18 0x00000004 /* Word Length 18 bit */
#define SPCS_WORD_LENGTH_19 0x00000002 /* Word Length 19 bit */
#define SPCS_WORD_LENGTH_20A 0x0000000a /* Word Length 20 bit */
#define SPCS_WORD_LENGTH_20 0x00000009 /* Word Length 20 bit (both 0xa and 0x9 are 20 bit) */
#define SPCS_WORD_LENGTH_21 0x00000007 /* Word Length 21 bit */
#define SPCS_WORD_LENGTH_21 0x00000007 /* Word Length 21 bit */
#define SPCS_WORD_LENGTH_22 0x00000005 /* Word Length 22 bit */
#define SPCS_WORD_LENGTH_23 0x00000003 /* Word Length 23 bit */
#define SPCS_WORD_LENGTH_24 0x0000000b /* Word Length 24 bit */
#define SPCS_ORIGINAL_SAMPLE_RATE_MASK 0x000000f0 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_NONE 0x00000000 /* Original Sample rate not indicated */
#define SPCS_ORIGINAL_SAMPLE_RATE_16000 0x00000010 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_RES1 0x00000020 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_32000 0x00000030 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_12000 0x00000040 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_11025 0x00000050 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_8000 0x00000060 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_RES2 0x00000070 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_192000 0x00000080 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_24000 0x00000090 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_96000 0x000000a0 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_48000 0x000000b0 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_176400 0x000000c0 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_22050 0x000000d0 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_88200 0x000000e0 /* Original Sample rate */
#define SPCS_ORIGINAL_SAMPLE_RATE_44100 0x000000f0 /* Original Sample rate */
#define SPDIF_SELECT1 0x45 /* Enables SPDIF or Analogue outputs 0-SPDIF, 0xf00-Analogue */
/* 0x100 - Front, 0x800 - Rear, 0x200 - Center/LFE.
* But as the jack is shared, use 0xf00.
* The Windows2000 driver uses 0x0000000f for both digital and analog.
* 0xf00 introduces interesting noises onto the Center/LFE.
* If you turn the volume up, you hear computer noise,
* e.g. mouse moving, changing between app windows etc.
* So, I am going to set this to 0x0000000f all the time now,
* same as the windows driver does.
* Use register SPDIF_SELECT2(0x72) to switch between SPDIF and Analog.
*/
/* When Channel = 0:
* Wide SPDIF format [3:0] (one bit for each channel) (0=20bit, 1=24bit)
* Tristate SPDIF Output [11:8] (one bit for each channel) (0=Not tristate, 1=Tristate)
* SPDIF Bypass enable [19:16] (one bit for each channel) (0=Not bypass, 1=Bypass)
*/
/* When Channel = 1:
* SPDIF 0 User data [7:0]
* SPDIF 1 User data [15:8]
* SPDIF 0 User data [23:16]
* SPDIF 0 User data [31:24]
* User data can be sent by using the SPDIF output frame pending and SPDIF output user bit interrupts.
*/
#define WATERMARK 0x46 /* Test bit to indicate cache usage level */
#define SPDIF_INPUT_STATUS 0x49 /* SPDIF Input status register. Bits the same as SPCS.
* When Channel = 0: Bits the same as SPCS channel 0.
* When Channel = 1: Bits the same as SPCS channel 1.
* When Channel = 2:
* SPDIF Input User data [16:0]
* SPDIF Input Frame count [21:16]
*/
#define CAPTURE_CACHE_DATA 0x50 /* 0x50-0x5f Recorded samples. */
#define CAPTURE_SOURCE 0x60 /* Capture Source 0 = MIC */
#define CAPTURE_SOURCE_CHANNEL0 0xf0000000 /* Mask for selecting the Capture sources */
#define CAPTURE_SOURCE_CHANNEL1 0x0f000000 /* 0 - SPDIF mixer output. */
#define CAPTURE_SOURCE_CHANNEL2 0x00f00000 /* 1 - What you hear or . 2 - ?? */
#define CAPTURE_SOURCE_CHANNEL3 0x000f0000 /* 3 - Mic in, Line in, TAD in, Aux in. */
#define CAPTURE_SOURCE_RECORD_MAP 0x0000ffff /* Default 0x00e4 */
/* 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
* 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 mixer output.
* 1 - i2s mixer output.
* 2 - SPDIF input.
* 3 - i2s input.
* 4 - AC97 capture.
* 5 - SRC output.
*/
#define CAPTURE_VOLUME1 0x61 /* Capture volume per channel 0-3 */
#define CAPTURE_VOLUME2 0x62 /* Capture volume per channel 4-7 */
#define PLAYBACK_ROUTING1 0x63 /* Playback routing of channels 0-7. Effects AC3 output. Default 0x32765410 */
#define ROUTING1_REAR 0x77000000 /* Channel_id 0 sends to 10, Channel_id 1 sends to 32 */
#define ROUTING1_NULL 0x00770000 /* Channel_id 2 sends to 54, Channel_id 3 sends to 76 */
#define ROUTING1_CENTER_LFE 0x00007700 /* 0x32765410 means, send Channel_id 0 to FRONT, Channel_id 1 to REAR */
#define ROUTING1_FRONT 0x00000077 /* Channel_id 2 to CENTER_LFE, Channel_id 3 to NULL. */
/* Channel_id's handle stereo channels. Channel X is a single mono channel */
/* Host is input from the PCI bus. */
/* Host channel 0 [2:0] -> SPDIF Mixer/Router channel 0-7.
* Host channel 1 [6:4] -> SPDIF Mixer/Router channel 0-7.
* Host channel 2 [10:8] -> SPDIF Mixer/Router channel 0-7.
* Host channel 3 [14:12] -> SPDIF Mixer/Router channel 0-7.
* Host channel 4 [18:16] -> SPDIF Mixer/Router channel 0-7.
* Host channel 5 [22:20] -> SPDIF Mixer/Router channel 0-7.
* Host channel 6 [26:24] -> SPDIF Mixer/Router channel 0-7.
* Host channel 7 [30:28] -> SPDIF Mixer/Router channel 0-7.
*/
#define PLAYBACK_ROUTING2 0x64 /* Playback Routing . Feeding Capture channels back into Playback. Effects AC3 output. Default 0x76767676 */
/* SRC is input from the capture inputs. */
/* SRC channel 0 [2:0] -> SPDIF Mixer/Router channel 0-7.
* SRC channel 1 [6:4] -> SPDIF Mixer/Router channel 0-7.
* SRC channel 2 [10:8] -> SPDIF Mixer/Router channel 0-7.
* SRC channel 3 [14:12] -> SPDIF Mixer/Router channel 0-7.
* SRC channel 4 [18:16] -> SPDIF Mixer/Router channel 0-7.
* SRC channel 5 [22:20] -> SPDIF Mixer/Router channel 0-7.
* SRC channel 6 [26:24] -> SPDIF Mixer/Router channel 0-7.
* SRC channel 7 [30:28] -> SPDIF Mixer/Router channel 0-7.
*/
#define PLAYBACK_MUTE 0x65 /* Unknown. While playing 0x0, while silent 0x00fc0000 */
/* SPDIF Mixer input control:
* Invert SRC to SPDIF Mixer [7-0] (One bit per channel)
* Invert Host to SPDIF Mixer [15:8] (One bit per channel)
* SRC to SPDIF Mixer disable [23:16] (One bit per channel)
* Host to SPDIF Mixer disable [31:24] (One bit per channel)
*/
#define PLAYBACK_VOLUME1 0x66 /* Playback SPDIF volume per channel. Set to the same PLAYBACK_VOLUME(0x6a) */
/* PLAYBACK_VOLUME1 must be set to 30303030 for SPDIF AC3 Playback */
/* SPDIF mixer input volume. 0=12dB, 0x30=0dB, 0xFE=-51.5dB, 0xff=Mute */
/* One register for each of the 4 stereo streams. */
/* SRC Right volume [7:0]
* SRC Left volume [15:8]
* Host Right volume [23:16]
* Host Left volume [31:24]
*/
#define CAPTURE_ROUTING1 0x67 /* Capture Routing. Default 0x32765410 */
/* 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. */
#define CAPTURE_ROUTING2 0x68 /* Unknown Routing. Default 0x76767676 */
/* 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. */
#define CAPTURE_MUTE 0x69 /* Unknown. While capturing 0x0, while silent 0x00fc0000 */
/* 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. */
#define PLAYBACK_VOLUME2 0x6a /* Playback Analog volume per channel. Does not effect AC3 output */
/* 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. */
#define UNKNOWN6b 0x6b /* Unknown. Readonly. Default 00400000 00400000 00400000 00400000 */
#define MIDI_UART_A_DATA 0x6c /* Midi Uart A Data */
#define MIDI_UART_A_CMD 0x6d /* Midi Uart A Command/Status */
#define MIDI_UART_B_DATA 0x6e /* Midi Uart B Data (currently unused) */
#define MIDI_UART_B_CMD 0x6f /* Midi Uart B Command/Status (currently unused) */
/* unique channel identifier for midi->channel */
#define CA0106_MIDI_CHAN_A 0x1
#define CA0106_MIDI_CHAN_B 0x2
/* from mpu401 */
#define CA0106_MIDI_INPUT_AVAIL 0x80
#define CA0106_MIDI_OUTPUT_READY 0x40
#define CA0106_MPU401_RESET 0xff
#define CA0106_MPU401_ENTER_UART 0x3f
#define CA0106_MPU401_ACK 0xfe
#define SAMPLE_RATE_TRACKER_STATUS 0x70 /* Readonly. Default 00108000 00108000 00500000 00500000 */
/* Estimated sample rate [19:0] Relative to 48kHz. 0x8000 = 1.0
* Rate Locked [20]
* SPDIF Locked [21] For SPDIF channel only.
* Valid Audio [22] For SPDIF channel only.
*/
#define CAPTURE_CONTROL 0x71 /* Some sort of routing. default = 40c81000 30303030 30300000 00700000 */
/* Channel_id 0: 0x40c81000 must be changed to 0x40c80000 for SPDIF AC3 input or output. */
/* Channel_id 1: 0xffffffff(mute) 0x30303030(max) controls CAPTURE feedback into PLAYBACK. */
/* Sample rate output control register Channel=0
* Sample output rate [1:0] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
* Sample input rate [3:2] (0=48kHz, 1=Not available, 2=96kHz, 3=192Khz)
* SRC input source select [4] 0=Audio from digital mixer, 1=Audio from analog source.
* Record rate [9:8] (0=48kHz, 1=Not available, 2=96kHz, 3=192Khz)
* Record mixer output enable [12:10]
* I2S input rate master mode [15:14] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
* I2S output rate [17:16] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
* I2S output source select [18] (0=Audio from host, 1=Audio from SRC)
* Record mixer I2S enable [20:19] (enable/disable i2sin1 and i2sin0)
* I2S output master clock select [21] (0=256*I2S output rate, 1=512*I2S output rate.)
* I2S input master clock select [22] (0=256*I2S input rate, 1=512*I2S input rate.)
* I2S input mode [23] (0=Slave, 1=Master)
* SPDIF output rate [25:24] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
* SPDIF output source select [26] (0=host, 1=SRC)
* Not used [27]
* Record Source 0 input [29:28] (0=SPDIF in, 1=I2S in, 2=AC97 Mic, 3=AC97 PCM)
* Record Source 1 input [31:30] (0=SPDIF in, 1=I2S in, 2=AC97 Mic, 3=AC97 PCM)
*/
/* Sample rate output control register Channel=1
* I2S Input 0 volume Right [7:0]
* I2S Input 0 volume Left [15:8]
* I2S Input 1 volume Right [23:16]
* I2S Input 1 volume Left [31:24]
*/
/* Sample rate output control register Channel=2
* SPDIF Input volume Right [23:16]
* SPDIF Input volume Left [31:24]
*/
/* Sample rate output control register Channel=3
* No used
*/
#define SPDIF_SELECT2 0x72 /* Some sort of routing. Channel_id 0 only. default = 0x0f0f003f. Analog 0x000b0000, Digital 0x0b000000 */
#define ROUTING2_FRONT_MASK 0x00010000 /* Enable for Front speakers. */
#define ROUTING2_CENTER_LFE_MASK 0x00020000 /* Enable for Center/LFE speakers. */
#define ROUTING2_REAR_MASK 0x00080000 /* Enable for Rear speakers. */
/* Audio output control
* AC97 output enable [5:0]
* I2S output enable [19:16]
* SPDIF output enable [27:24]
*/
#define UNKNOWN73 0x73 /* Unknown. Readonly. Default 0x0 */
#define CHIP_VERSION 0x74 /* P17 Chip version. Channel_id 0 only. Default 00000071 */
#define EXTENDED_INT_MASK 0x75 /* Used by both playback and capture interrupt handler */
/* Sets which Interrupts are enabled. */
/* 0x00000001 = Half period. Playback.
* 0x00000010 = Full period. Playback.
* 0x00000100 = Half buffer. Playback.
* 0x00001000 = Full buffer. Playback.
* 0x00010000 = Half buffer. Capture.
* 0x00100000 = Full buffer. Capture.
* Capture can only do 2 periods.
* 0x01000000 = End audio. Playback.
* 0x40000000 = Half buffer Playback,Caputre xrun.
* 0x80000000 = Full buffer Playback,Caputre xrun.
*/
#define EXTENDED_INT 0x76 /* Used by both playback and capture interrupt handler */
/* Shows which interrupts are active at the moment. */
/* Same bit layout as EXTENDED_INT_MASK */
#define COUNTER77 0x77 /* Counter range 0 to 0x3fffff, 192000 counts per second. */
#define COUNTER78 0x78 /* Counter range 0 to 0x3fffff, 44100 counts per second. */
#define EXTENDED_INT_TIMER 0x79 /* Channel_id 0 only. Used by both playback and capture interrupt handler */
/* Causes interrupts based on timer intervals. */
#define SPI 0x7a /* SPI: Serial Interface Register */
#define I2C_A 0x7b /* I2C Address. 32 bit */
#define I2C_D0 0x7c /* I2C Data Port 0. 32 bit */
#define I2C_D1 0x7d /* I2C Data Port 1. 32 bit */
//I2C values
#define I2C_A_ADC_ADD_MASK 0x000000fe //The address is a 7 bit address
#define I2C_A_ADC_RW_MASK 0x00000001 //bit mask for R/W
#define I2C_A_ADC_TRANS_MASK 0x00000010 //Bit mask for I2c address DAC value
#define I2C_A_ADC_ABORT_MASK 0x00000020 //Bit mask for I2C transaction abort flag
#define I2C_A_ADC_LAST_MASK 0x00000040 //Bit mask for Last word transaction
#define I2C_A_ADC_BYTE_MASK 0x00000080 //Bit mask for Byte Mode
#define I2C_A_ADC_ADD 0x00000034 //This is the Device address for ADC
#define I2C_A_ADC_READ 0x00000001 //To perform a read operation
#define I2C_A_ADC_START 0x00000100 //Start I2C transaction
#define I2C_A_ADC_ABORT 0x00000200 //I2C transaction abort
#define I2C_A_ADC_LAST 0x00000400 //I2C last transaction
#define I2C_A_ADC_BYTE 0x00000800 //I2C one byte mode
#define I2C_D_ADC_REG_MASK 0xfe000000 //ADC address register
#define I2C_D_ADC_DAT_MASK 0x01ff0000 //ADC data register
#define ADC_TIMEOUT 0x00000007 //ADC Timeout Clock Disable
#define ADC_IFC_CTRL 0x0000000b //ADC Interface Control
#define ADC_MASTER 0x0000000c //ADC Master Mode Control
#define ADC_POWER 0x0000000d //ADC PowerDown Control
#define ADC_ATTEN_ADCL 0x0000000e //ADC Attenuation ADCL
#define ADC_ATTEN_ADCR 0x0000000f //ADC Attenuation ADCR
#define ADC_ALC_CTRL1 0x00000010 //ADC ALC Control 1
#define ADC_ALC_CTRL2 0x00000011 //ADC ALC Control 2
#define ADC_ALC_CTRL3 0x00000012 //ADC ALC Control 3
#define ADC_NOISE_CTRL 0x00000013 //ADC Noise Gate Control
#define ADC_LIMIT_CTRL 0x00000014 //ADC Limiter Control
#define ADC_MUX 0x00000015 //ADC Mux offset
#if 0
/* FIXME: Not tested yet. */
#define ADC_GAIN_MASK 0x000000ff //Mask for ADC Gain
#define ADC_ZERODB 0x000000cf //Value to set ADC to 0dB
#define ADC_MUTE_MASK 0x000000c0 //Mask for ADC mute
#define ADC_MUTE 0x000000c0 //Value to mute ADC
#define ADC_OSR 0x00000008 //Mask for ADC oversample rate select
#define ADC_TIMEOUT_DISABLE 0x00000008 //Value and mask to disable Timeout clock
#define ADC_HPF_DISABLE 0x00000100 //Value and mask to disable High pass filter
#define ADC_TRANWIN_MASK 0x00000070 //Mask for Length of Transient Window
#endif
#define ADC_MUX_MASK 0x0000000f //Mask for ADC Mux
#define ADC_MUX_MIC 0x00000002 //Value to select Mic at ADC Mux
#define ADC_MUX_LINEIN 0x00000004 //Value to select LineIn at ADC Mux
#define ADC_MUX_PHONE 0x00000001 //Value to select TAD at ADC Mux (Not used)
#define ADC_MUX_AUX 0x00000008 //Value to select Aux at ADC Mux
#define SET_CHANNEL 0 /* Testing channel outputs 0=Front, 1=Center/LFE, 2=Unknown, 3=Rear */
#define PCM_FRONT_CHANNEL 0
#define PCM_REAR_CHANNEL 1
#define PCM_CENTER_LFE_CHANNEL 2
#define PCM_UNKNOWN_CHANNEL 3
#define CONTROL_FRONT_CHANNEL 0
#define CONTROL_REAR_CHANNEL 3
#define CONTROL_CENTER_LFE_CHANNEL 1
#define CONTROL_UNKNOWN_CHANNEL 2
#include "ca_midi.h"
struct snd_ca0106;
struct snd_ca0106_channel {
struct snd_ca0106 *emu;
int number;
int use;
void (*interrupt)(struct snd_ca0106 *emu, struct snd_ca0106_channel *channel);
struct snd_ca0106_pcm *epcm;
};
struct snd_ca0106_pcm {
struct snd_ca0106 *emu;
struct snd_pcm_substream *substream;
int channel_id;
unsigned short running;
};
struct snd_ca0106_details {
u32 serial;
char * name;
int ac97;
int gpio_type;
int i2c_adc;
int spi_dac;
};
// definition of the chip-specific record
struct snd_ca0106 {
struct snd_card *card;
struct snd_ca0106_details *details;
struct pci_dev *pci;
unsigned long port;
struct resource *res_port;
int irq;
unsigned int revision; /* chip revision */
unsigned int serial; /* serial number */
unsigned short model; /* subsystem id */
spinlock_t emu_lock;
struct snd_ac97 *ac97;
struct snd_pcm *pcm;
struct snd_ca0106_channel playback_channels[4];
struct snd_ca0106_channel capture_channels[4];
u32 spdif_bits[4]; /* s/pdif out setup */
int spdif_enable;
int capture_source;
int capture_mic_line_in;
struct snd_dma_buffer buffer;
struct snd_ca_midi midi;
struct snd_ca_midi midi2;
};
int snd_ca0106_mixer(struct snd_ca0106 *emu);
int snd_ca0106_proc_init(struct snd_ca0106 * emu);
unsigned int snd_ca0106_ptr_read(struct snd_ca0106 * emu,
unsigned int reg,
unsigned int chn);
void snd_ca0106_ptr_write(struct snd_ca0106 *emu,
unsigned int reg,
unsigned int chn,
unsigned int data);
int snd_ca0106_i2c_write(struct snd_ca0106 *emu, u32 reg, u32 value);
