--- /dev/null
+/*
+ * Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
+ * Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
+ * Version: 0.0.22
+ *
+ * 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.
+ * 0.0.22
+ * Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
+ *
+ *
+ * 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
+ *
+ */
+
+/************************************************************************************************/
+/* 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 */
+/********************************************************************************************************/
+
+/* 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.
+ */
+ /* 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 address */
+ /* 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 -> Shield 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_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_PHONE 0x00000001 //Value to select TAD at ADC Mux (Not used)
+#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_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
+
+
+/* Based on WM8768 Datasheet Rev 4.2 page 32 */
+#define SPI_REG_MASK 0x1ff /* 16-bit SPI writes have a 7-bit address */
+#define SPI_REG_SHIFT 9 /* followed by 9 bits of data */
+
+#define SPI_LDA1_REG 0 /* digital attenuation */
+#define SPI_RDA1_REG 1
+#define SPI_LDA2_REG 4
+#define SPI_RDA2_REG 5
+#define SPI_LDA3_REG 6
+#define SPI_RDA3_REG 7
+#define SPI_LDA4_REG 13
+#define SPI_RDA4_REG 14
+#define SPI_MASTDA_REG 8
+
+#define SPI_DA_BIT_UPDATE (1<<8) /* update attenuation values */
+#define SPI_DA_BIT_0dB 0xff /* 0 dB */
+#define SPI_DA_BIT_infdB 0x00 /* inf dB attenuation (mute) */
+
+#define SPI_PL_REG 2
+#define SPI_PL_BIT_L_M (0<<5) /* left channel = mute */
+#define SPI_PL_BIT_L_L (1<<5) /* left channel = left */
+#define SPI_PL_BIT_L_R (2<<5) /* left channel = right */
+#define SPI_PL_BIT_L_C (3<<5) /* left channel = (L+R)/2 */
+#define SPI_PL_BIT_R_M (0<<7) /* right channel = mute */
+#define SPI_PL_BIT_R_L (1<<7) /* right channel = left */
+#define SPI_PL_BIT_R_R (2<<7) /* right channel = right */
+#define SPI_PL_BIT_R_C (3<<7) /* right channel = (L+R)/2 */
+#define SPI_IZD_REG 2
+#define SPI_IZD_BIT (1<<4) /* infinite zero detect */
+
+#define SPI_FMT_REG 3
+#define SPI_FMT_BIT_RJ (0<<0) /* right justified mode */
+#define SPI_FMT_BIT_LJ (1<<0) /* left justified mode */
+#define SPI_FMT_BIT_I2S (2<<0) /* I2S mode */
+#define SPI_FMT_BIT_DSP (3<<0) /* DSP Modes A or B */
+#define SPI_LRP_REG 3
+#define SPI_LRP_BIT (1<<2) /* invert LRCLK polarity */
+#define SPI_BCP_REG 3
+#define SPI_BCP_BIT (1<<3) /* invert BCLK polarity */
+#define SPI_IWL_REG 3
+#define SPI_IWL_BIT_16 (0<<4) /* 16-bit world length */
+#define SPI_IWL_BIT_20 (1<<4) /* 20-bit world length */
+#define SPI_IWL_BIT_24 (2<<4) /* 24-bit world length */
+#define SPI_IWL_BIT_32 (3<<4) /* 32-bit world length */
+
+#define SPI_MS_REG 10
+#define SPI_MS_BIT (1<<5) /* master mode */
+#define SPI_RATE_REG 10 /* only applies in master mode */
+#define SPI_RATE_BIT_128 (0<<6) /* MCLK = LRCLK * 128 */
+#define SPI_RATE_BIT_192 (1<<6)
+#define SPI_RATE_BIT_256 (2<<6)
+#define SPI_RATE_BIT_384 (3<<6)
+#define SPI_RATE_BIT_512 (4<<6)
+#define SPI_RATE_BIT_768 (5<<6)
+
+/* They really do label the bit for the 4th channel "4" and not "3" */
+#define SPI_DMUTE0_REG 9
+#define SPI_DMUTE1_REG 9
+#define SPI_DMUTE2_REG 9
+#define SPI_DMUTE4_REG 15
+#define SPI_DMUTE0_BIT (1<<3)
+#define SPI_DMUTE1_BIT (1<<4)
+#define SPI_DMUTE2_BIT (1<<5)
+#define SPI_DMUTE4_BIT (1<<2)
+
+#define SPI_PHASE0_REG 3
+#define SPI_PHASE1_REG 3
+#define SPI_PHASE2_REG 3
+#define SPI_PHASE4_REG 15
+#define SPI_PHASE0_BIT (1<<6)
+#define SPI_PHASE1_BIT (1<<7)
+#define SPI_PHASE2_BIT (1<<8)
+#define SPI_PHASE4_BIT (1<<3)
+
+#define SPI_PDWN_REG 2 /* power down all DACs */
+#define SPI_PDWN_BIT (1<<2)
+#define SPI_DACD0_REG 10 /* power down individual DACs */
+#define SPI_DACD1_REG 10
+#define SPI_DACD2_REG 10
+#define SPI_DACD4_REG 15
+#define SPI_DACD0_BIT (1<<1)
+#define SPI_DACD1_BIT (1<<2)
+#define SPI_DACD2_BIT (1<<3)
+#define SPI_DACD4_BIT (1<<0) /* datasheet error says it's 1 */
+
+#define SPI_PWRDNALL_REG 10 /* power down everything */
+#define SPI_PWRDNALL_BIT (1<<4)
+
+#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; /* ac97 = 0 -> Select MIC, Line in, TAD in, AUX in.
+ ac97 = 1 -> Default to AC97 in. */
+ int gpio_type; /* gpio_type = 1 -> shared mic-in/line-in
+ gpio_type = 2 -> shared side-out/line-in. */
+ int i2c_adc; /* with i2c_adc=1, the driver adds some capture volume
+ controls, phone, mic, line-in and aux. */
+ u16 spi_dac; /* spi_dac = 0 -> no spi interface for DACs
+ spi_dac = 0x<front><rear><center-lfe><side>
+ -> specifies DAC id for each channel pair. */
+};
+
+// 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 serial; /* serial number */
+ unsigned short model; /* subsystem id */
+
+ spinlock_t emu_lock;
+
+ struct snd_ac97 *ac97;
+ struct snd_pcm *pcm[4];
+
+ struct snd_ca0106_channel playback_channels[4];
+ struct snd_ca0106_channel capture_channels[4];
+ u32 spdif_bits[4]; /* s/pdif out default setup */
+ u32 spdif_str_bits[4]; /* s/pdif out per-stream setup */
+ int spdif_enable;
+ int capture_source;
+ int i2c_capture_source;
+ u8 i2c_capture_volume[4][2];
+ int capture_mic_line_in;
+
+ struct snd_dma_buffer buffer;
+
+ struct snd_ca_midi midi;
+ struct snd_ca_midi midi2;
+
+ u16 spi_dac_reg[16];
+
+#ifdef CONFIG_PM_SLEEP
+#define NUM_SAVED_VOLUMES 9
+ unsigned int saved_vol[NUM_SAVED_VOLUMES];
+#endif
+};
+
+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);
+
+int snd_ca0106_spi_write(struct snd_ca0106 * emu,
+ unsigned int data);
+
+#ifdef CONFIG_PM_SLEEP
+void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip);
+void snd_ca0106_mixer_resume(struct snd_ca0106 *chip);
+#else
+#define snd_ca0106_mixer_suspend(chip) do { } while (0)
+#define snd_ca0106_mixer_resume(chip) do { } while (0)
+#endif
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