xref: /openbmc/linux/sound/pci/ca0106/ca0106.h (revision 6d99a79c)
1 /*
2  *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
3  *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
4  *  Version: 0.0.22
5  *
6  *  FEATURES currently supported:
7  *    See ca0106_main.c for features.
8  *
9  *  Changelog:
10  *    Support interrupts per period.
11  *    Removed noise from Center/LFE channel when in Analog mode.
12  *    Rename and remove mixer controls.
13  *  0.0.6
14  *    Use separate card based DMA buffer for periods table list.
15  *  0.0.7
16  *    Change remove and rename ctrls into lists.
17  *  0.0.8
18  *    Try to fix capture sources.
19  *  0.0.9
20  *    Fix AC3 output.
21  *    Enable S32_LE format support.
22  *  0.0.10
23  *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
24  *  0.0.11
25  *    Add Model name recognition.
26  *  0.0.12
27  *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
28  *    Remove redundent "voice" handling.
29  *  0.0.13
30  *    Single trigger call for multi channels.
31  *  0.0.14
32  *    Set limits based on what the sound card hardware can do.
33  *    playback periods_min=2, periods_max=8
34  *    capture hw constraints require period_size = n * 64 bytes.
35  *    playback hw constraints require period_size = n * 64 bytes.
36  *  0.0.15
37  *    Separated ca0106.c into separate functional .c files.
38  *  0.0.16
39  *    Implement 192000 sample rate.
40  *  0.0.17
41  *    Add support for SB0410 and SB0413.
42  *  0.0.18
43  *    Modified Copyright message.
44  *  0.0.19
45  *    Added I2C and SPI registers. Filled in interrupt enable.
46  *  0.0.20
47  *    Added GPIO info for SB Live 24bit.
48  *  0.0.21
49  *   Implement support for Line-in capture on SB Live 24bit.
50  *  0.0.22
51  *    Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
52  *
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  *   This program is free software; you can redistribute it and/or modify
58  *   it under the terms of the GNU General Public License as published by
59  *   the Free Software Foundation; either version 2 of the License, or
60  *   (at your option) any later version.
61  *
62  *   This program is distributed in the hope that it will be useful,
63  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
64  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
65  *   GNU General Public License for more details.
66  *
67  *   You should have received a copy of the GNU General Public License
68  *   along with this program; if not, write to the Free Software
69  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
70  *
71  */
72 
73 /************************************************************************************************/
74 /* PCI function 0 registers, address = <val> + PCIBASE0						*/
75 /************************************************************************************************/
76 
77 #define PTR			0x00		/* Indexed register set pointer register	*/
78 						/* NOTE: The CHANNELNUM and ADDRESS words can	*/
79 						/* be modified independently of each other.	*/
80 						/* CNL[1:0], ADDR[27:16]                        */
81 
82 #define DATA			0x04		/* Indexed register set data register		*/
83 						/* DATA[31:0]					*/
84 
85 #define IPR			0x08		/* Global interrupt pending register		*/
86 						/* Clear pending interrupts by writing a 1 to	*/
87 						/* the relevant bits and zero to the other bits	*/
88 #define IPR_MIDI_RX_B		0x00020000	/* MIDI UART-B Receive buffer non-empty		*/
89 #define IPR_MIDI_TX_B		0x00010000	/* MIDI UART-B Transmit buffer empty		*/
90 #define IPR_SPDIF_IN_USER	0x00004000      /* SPDIF input user data has 16 more bits	*/
91 #define IPR_SPDIF_OUT_USER	0x00002000      /* SPDIF output user data needs 16 more bits	*/
92 #define IPR_SPDIF_OUT_FRAME	0x00001000      /* SPDIF frame about to start			*/
93 #define IPR_SPI			0x00000800      /* SPI transaction completed			*/
94 #define IPR_I2C_EEPROM		0x00000400      /* I2C EEPROM transaction completed		*/
95 #define IPR_I2C_DAC		0x00000200      /* I2C DAC transaction completed		*/
96 #define IPR_AI			0x00000100      /* Audio pending register changed. See PTR reg 0x76	*/
97 #define IPR_GPI			0x00000080      /* General Purpose input changed		*/
98 #define IPR_SRC_LOCKED          0x00000040      /* SRC lock status changed			*/
99 #define IPR_SPDIF_STATUS        0x00000020      /* SPDIF status changed				*/
100 #define IPR_TIMER2              0x00000010      /* 192000Hz Timer				*/
101 #define IPR_TIMER1              0x00000008      /* 44100Hz Timer				*/
102 #define IPR_MIDI_RX_A		0x00000004	/* MIDI UART-A Receive buffer non-empty		*/
103 #define IPR_MIDI_TX_A		0x00000002	/* MIDI UART-A Transmit buffer empty		*/
104 #define IPR_PCI			0x00000001	/* PCI Bus error				*/
105 
106 #define INTE			0x0c		/* Interrupt enable register			*/
107 
108 #define INTE_MIDI_RX_B		0x00020000	/* MIDI UART-B Receive buffer non-empty		*/
109 #define INTE_MIDI_TX_B		0x00010000	/* MIDI UART-B Transmit buffer empty		*/
110 #define INTE_SPDIF_IN_USER	0x00004000      /* SPDIF input user data has 16 more bits	*/
111 #define INTE_SPDIF_OUT_USER	0x00002000      /* SPDIF output user data needs 16 more bits	*/
112 #define INTE_SPDIF_OUT_FRAME	0x00001000      /* SPDIF frame about to start			*/
113 #define INTE_SPI		0x00000800      /* SPI transaction completed			*/
114 #define INTE_I2C_EEPROM		0x00000400      /* I2C EEPROM transaction completed		*/
115 #define INTE_I2C_DAC		0x00000200      /* I2C DAC transaction completed		*/
116 #define INTE_AI			0x00000100      /* Audio pending register changed. See PTR reg 0x75 */
117 #define INTE_GPI		0x00000080      /* General Purpose input changed		*/
118 #define INTE_SRC_LOCKED         0x00000040      /* SRC lock status changed			*/
119 #define INTE_SPDIF_STATUS       0x00000020      /* SPDIF status changed				*/
120 #define INTE_TIMER2             0x00000010      /* 192000Hz Timer				*/
121 #define INTE_TIMER1             0x00000008      /* 44100Hz Timer				*/
122 #define INTE_MIDI_RX_A		0x00000004	/* MIDI UART-A Receive buffer non-empty		*/
123 #define INTE_MIDI_TX_A		0x00000002	/* MIDI UART-A Transmit buffer empty		*/
124 #define INTE_PCI		0x00000001	/* PCI Bus error				*/
125 
126 #define UNKNOWN10		0x10		/* Unknown ??. Defaults to 0 */
127 #define HCFG			0x14		/* Hardware config register			*/
128 						/* 0x1000 causes AC3 to fails. It adds a dither bit. */
129 
130 #define HCFG_STAC		0x10000000	/* Special mode for STAC9460 Codec. */
131 #define HCFG_CAPTURE_I2S_BYPASS	0x08000000	/* 1 = bypass I2S input async SRC. */
132 #define HCFG_CAPTURE_SPDIF_BYPASS 0x04000000	/* 1 = bypass SPDIF input async SRC. */
133 #define HCFG_PLAYBACK_I2S_BYPASS 0x02000000	/* 0 = I2S IN mixer output, 1 = I2S IN1. */
134 #define HCFG_FORCE_LOCK		0x01000000	/* For test only. Force input SRC tracker to lock. */
135 #define HCFG_PLAYBACK_ATTENUATION 0x00006000	/* Playback attenuation mask. 0 = 0dB, 1 = 6dB, 2 = 12dB, 3 = Mute. */
136 #define HCFG_PLAYBACK_DITHER	0x00001000	/* 1 = Add dither bit to all playback channels. */
137 #define HCFG_PLAYBACK_S32_LE	0x00000800	/* 1 = S32_LE, 0 = S16_LE                       */
138 #define HCFG_CAPTURE_S32_LE	0x00000400	/* 1 = S32_LE, 0 = S16_LE (S32_LE current not working)	*/
139 #define HCFG_8_CHANNEL_PLAY	0x00000200	/* 1 = 8 channels, 0 = 2 channels per substream.*/
140 #define HCFG_8_CHANNEL_CAPTURE	0x00000100	/* 1 = 8 channels, 0 = 2 channels per substream.*/
141 #define HCFG_MONO		0x00000080	/* 1 = I2S Input mono                           */
142 #define HCFG_I2S_OUTPUT		0x00000010	/* 1 = I2S Output disabled                      */
143 #define HCFG_AC97		0x00000008	/* 0 = AC97 1.0, 1 = AC97 2.0                   */
144 #define HCFG_LOCK_PLAYBACK_CACHE 0x00000004	/* 1 = Cancel bustmaster accesses to soundcache */
145 						/* NOTE: This should generally never be used.  	*/
146 #define HCFG_LOCK_CAPTURE_CACHE	0x00000002	/* 1 = Cancel bustmaster accesses to soundcache */
147 						/* NOTE: This should generally never be used.  	*/
148 #define HCFG_AUDIOENABLE	0x00000001	/* 0 = CODECs transmit zero-valued samples	*/
149 						/* Should be set to 1 when the EMU10K1 is	*/
150 						/* completely initialized.			*/
151 #define GPIO			0x18		/* Defaults: 005f03a3-Analog, 005f02a2-SPDIF.   */
152 						/* Here pins 0,1,2,3,4,,6 are output. 5,7 are input */
153 						/* For the Audigy LS, pin 0 (or bit 8) controls the SPDIF/Analog jack. */
154 						/* SB Live 24bit:
155 						 * bit 8 0 = SPDIF in and out / 1 = Analog (Mic or Line)-in.
156 						 * bit 9 0 = Mute / 1 = Analog out.
157 						 * bit 10 0 = Line-in / 1 = Mic-in.
158 						 * bit 11 0 = ? / 1 = ?
159 						 * bit 12 0 = 48 Khz / 1 = 96 Khz Analog out on SB Live 24bit.
160 						 * bit 13 0 = ? / 1 = ?
161 						 * bit 14 0 = Mute / 1 = Analog out
162 						 * bit 15 0 = ? / 1 = ?
163 						 * Both bit 9 and bit 14 have to be set for analog sound to work on the SB Live 24bit.
164 						 */
165 						/* 8 general purpose programmable In/Out pins.
166 						 * GPI [8:0] Read only. Default 0.
167 						 * GPO [15:8] Default 0x9. (Default to SPDIF jack enabled for SPDIF)
168 						 * GPO Enable [23:16] Default 0x0f. Setting a bit to 1, causes the pin to be an output pin.
169 						 */
170 #define AC97DATA		0x1c		/* AC97 register set data register (16 bit)	*/
171 
172 #define AC97ADDRESS		0x1e		/* AC97 register set address register (8 bit)	*/
173 
174 /********************************************************************************************************/
175 /* CA0106 pointer-offset register set, accessed through the PTR and DATA registers                     */
176 /********************************************************************************************************/
177 
178 /* Initially all registers from 0x00 to 0x3f have zero contents. */
179 #define PLAYBACK_LIST_ADDR	0x00		/* Base DMA address of a list of pointers to each period/size */
180 						/* One list entry: 4 bytes for DMA address,
181 						 * 4 bytes for period_size << 16.
182 						 * One list entry is 8 bytes long.
183 						 * One list entry for each period in the buffer.
184 						 */
185 						/* ADDR[31:0], Default: 0x0 */
186 #define PLAYBACK_LIST_SIZE	0x01		/* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000  */
187 						/* SIZE[21:16], Default: 0x8 */
188 #define PLAYBACK_LIST_PTR	0x02		/* Pointer to the current period being played */
189 						/* PTR[5:0], Default: 0x0 */
190 #define PLAYBACK_UNKNOWN3	0x03		/* Not used ?? */
191 #define PLAYBACK_DMA_ADDR	0x04		/* Playback DMA address */
192 						/* DMA[31:0], Default: 0x0 */
193 #define PLAYBACK_PERIOD_SIZE	0x05		/* Playback period size. win2000 uses 0x04000000 */
194 						/* SIZE[31:16], Default: 0x0 */
195 #define PLAYBACK_POINTER	0x06		/* Playback period pointer. Used with PLAYBACK_LIST_PTR to determine buffer position currently in DAC */
196 						/* POINTER[15:0], Default: 0x0 */
197 #define PLAYBACK_PERIOD_END_ADDR 0x07		/* Playback fifo end address */
198 						/* END_ADDR[15:0], FLAG[16] 0 = don't stop, 1 = stop */
199 #define PLAYBACK_FIFO_OFFSET_ADDRESS	0x08	/* Current fifo offset address [21:16] */
200 						/* Cache size valid [5:0] */
201 #define PLAYBACK_UNKNOWN9	0x09		/* 0x9 to 0xf Unused */
202 #define CAPTURE_DMA_ADDR	0x10		/* Capture DMA address */
203 						/* DMA[31:0], Default: 0x0 */
204 #define CAPTURE_BUFFER_SIZE	0x11		/* Capture buffer size */
205 						/* SIZE[31:16], Default: 0x0 */
206 #define CAPTURE_POINTER		0x12		/* Capture buffer pointer. Sample currently in ADC */
207 						/* POINTER[15:0], Default: 0x0 */
208 #define CAPTURE_FIFO_OFFSET_ADDRESS	0x13	/* Current fifo offset address [21:16] */
209 						/* Cache size valid [5:0] */
210 #define PLAYBACK_LAST_SAMPLE    0x20		/* The sample currently being played */
211 /* 0x21 - 0x3f unused */
212 #define BASIC_INTERRUPT         0x40		/* Used by both playback and capture interrupt handler */
213 						/* Playback (0x1<<channel_id) */
214 						/* Capture  (0x100<<channel_id) */
215 						/* Playback sample rate 96000 = 0x20000 */
216 						/* Start Playback [3:0] (one bit per channel)
217 						 * Start Capture [11:8] (one bit per channel)
218 						 * Playback rate [23:16] (2 bits per channel) (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
219 						 * Playback mixer in enable [27:24] (one bit per channel)
220 						 * Playback mixer out enable [31:28] (one bit per channel)
221 						 */
222 /* The Digital out jack is shared with the Center/LFE Analogue output.
223  * The jack has 4 poles. I will call 1 - Tip, 2 - Next to 1, 3 - Next to 2, 4 - Next to 3
224  * For Analogue: 1 -> Center Speaker, 2 -> Sub Woofer, 3 -> Ground, 4 -> Ground
225  * For Digital: 1 -> Front SPDIF, 2 -> Rear SPDIF, 3 -> Center/Subwoofer SPDIF, 4 -> Ground.
226  * Standard 4 pole Video A/V cable with RCA outputs: 1 -> White, 2 -> Yellow, 3 -> Shield on all three, 4 -> Red.
227  * So, from this you can see that you cannot use a Standard 4 pole Video A/V cable with the SB Audigy LS card.
228  */
229 /* The Front SPDIF PCM gets mixed with samples from the AC97 codec, so can only work for Stereo PCM and not AC3/DTS
230  * The Rear SPDIF can be used for Stereo PCM and also AC3/DTS
231  * The Center/LFE SPDIF cannot be used for AC3/DTS, but can be used for Stereo PCM.
232  * Summary: For ALSA we use the Rear channel for SPDIF Digital AC3/DTS output
233  */
234 /* A standard 2 pole mono mini-jack to RCA plug can be used for SPDIF Stereo PCM output from the Front channel.
235  * 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.
236  */
237 #define SPCS0			0x41		/* SPDIF output Channel Status 0 register. For Rear. default=0x02108004, non-audio=0x02108006	*/
238 #define SPCS1			0x42		/* SPDIF output Channel Status 1 register. For Front */
239 #define SPCS2			0x43		/* SPDIF output Channel Status 2 register. For Center/LFE */
240 #define SPCS3			0x44		/* SPDIF output Channel Status 3 register. Unknown */
241 						/* When Channel set to 0: */
242 #define SPCS_CLKACCYMASK	0x30000000	/* Clock accuracy				*/
243 #define SPCS_CLKACCY_1000PPM	0x00000000	/* 1000 parts per million			*/
244 #define SPCS_CLKACCY_50PPM	0x10000000	/* 50 parts per million				*/
245 #define SPCS_CLKACCY_VARIABLE	0x20000000	/* Variable accuracy				*/
246 #define SPCS_SAMPLERATEMASK	0x0f000000	/* Sample rate					*/
247 #define SPCS_SAMPLERATE_44	0x00000000	/* 44.1kHz sample rate				*/
248 #define SPCS_SAMPLERATE_48	0x02000000	/* 48kHz sample rate				*/
249 #define SPCS_SAMPLERATE_32	0x03000000	/* 32kHz sample rate				*/
250 #define SPCS_CHANNELNUMMASK	0x00f00000	/* Channel number				*/
251 #define SPCS_CHANNELNUM_UNSPEC	0x00000000	/* Unspecified channel number			*/
252 #define SPCS_CHANNELNUM_LEFT	0x00100000	/* Left channel					*/
253 #define SPCS_CHANNELNUM_RIGHT	0x00200000	/* Right channel				*/
254 #define SPCS_SOURCENUMMASK	0x000f0000	/* Source number				*/
255 #define SPCS_SOURCENUM_UNSPEC	0x00000000	/* Unspecified source number			*/
256 #define SPCS_GENERATIONSTATUS	0x00008000	/* Originality flag (see IEC-958 spec)		*/
257 #define SPCS_CATEGORYCODEMASK	0x00007f00	/* Category code (see IEC-958 spec)		*/
258 #define SPCS_MODEMASK		0x000000c0	/* Mode (see IEC-958 spec)			*/
259 #define SPCS_EMPHASISMASK	0x00000038	/* Emphasis					*/
260 #define SPCS_EMPHASIS_NONE	0x00000000	/* No emphasis					*/
261 #define SPCS_EMPHASIS_50_15	0x00000008	/* 50/15 usec 2 channel				*/
262 #define SPCS_COPYRIGHT		0x00000004	/* Copyright asserted flag -- do not modify	*/
263 #define SPCS_NOTAUDIODATA	0x00000002	/* 0 = Digital audio, 1 = not audio		*/
264 #define SPCS_PROFESSIONAL	0x00000001	/* 0 = Consumer (IEC-958), 1 = pro (AES3-1992)	*/
265 
266 						/* When Channel set to 1: */
267 #define SPCS_WORD_LENGTH_MASK	0x0000000f	/* Word Length Mask				*/
268 #define SPCS_WORD_LENGTH_16	0x00000008	/* Word Length 16 bit				*/
269 #define SPCS_WORD_LENGTH_17	0x00000006	/* Word Length 17 bit				*/
270 #define SPCS_WORD_LENGTH_18	0x00000004	/* Word Length 18 bit				*/
271 #define SPCS_WORD_LENGTH_19	0x00000002	/* Word Length 19 bit				*/
272 #define SPCS_WORD_LENGTH_20A	0x0000000a	/* Word Length 20 bit				*/
273 #define SPCS_WORD_LENGTH_20	0x00000009	/* Word Length 20 bit (both 0xa and 0x9 are 20 bit) */
274 #define SPCS_WORD_LENGTH_21	0x00000007	/* Word Length 21 bit				*/
275 #define SPCS_WORD_LENGTH_22	0x00000005	/* Word Length 22 bit				*/
276 #define SPCS_WORD_LENGTH_23	0x00000003	/* Word Length 23 bit				*/
277 #define SPCS_WORD_LENGTH_24	0x0000000b	/* Word Length 24 bit				*/
278 #define SPCS_ORIGINAL_SAMPLE_RATE_MASK	0x000000f0 /* Original Sample rate			*/
279 #define SPCS_ORIGINAL_SAMPLE_RATE_NONE	0x00000000 /* Original Sample rate not indicated	*/
280 #define SPCS_ORIGINAL_SAMPLE_RATE_16000	0x00000010 /* Original Sample rate	*/
281 #define SPCS_ORIGINAL_SAMPLE_RATE_RES1	0x00000020 /* Original Sample rate	*/
282 #define SPCS_ORIGINAL_SAMPLE_RATE_32000	0x00000030 /* Original Sample rate	*/
283 #define SPCS_ORIGINAL_SAMPLE_RATE_12000	0x00000040 /* Original Sample rate	*/
284 #define SPCS_ORIGINAL_SAMPLE_RATE_11025	0x00000050 /* Original Sample rate	*/
285 #define SPCS_ORIGINAL_SAMPLE_RATE_8000	0x00000060 /* Original Sample rate	*/
286 #define SPCS_ORIGINAL_SAMPLE_RATE_RES2	0x00000070 /* Original Sample rate	*/
287 #define SPCS_ORIGINAL_SAMPLE_RATE_192000 0x00000080 /* Original Sample rate	*/
288 #define SPCS_ORIGINAL_SAMPLE_RATE_24000	0x00000090 /* Original Sample rate	*/
289 #define SPCS_ORIGINAL_SAMPLE_RATE_96000	0x000000a0 /* Original Sample rate	*/
290 #define SPCS_ORIGINAL_SAMPLE_RATE_48000	0x000000b0 /* Original Sample rate	*/
291 #define SPCS_ORIGINAL_SAMPLE_RATE_176400 0x000000c0 /* Original Sample rate	*/
292 #define SPCS_ORIGINAL_SAMPLE_RATE_22050	0x000000d0 /* Original Sample rate	*/
293 #define SPCS_ORIGINAL_SAMPLE_RATE_88200	0x000000e0 /* Original Sample rate	*/
294 #define SPCS_ORIGINAL_SAMPLE_RATE_44100	0x000000f0 /* Original Sample rate	*/
295 
296 #define SPDIF_SELECT1		0x45		/* Enables SPDIF or Analogue outputs 0-SPDIF, 0xf00-Analogue */
297 						/* 0x100 - Front, 0x800 - Rear, 0x200 - Center/LFE.
298 						 * But as the jack is shared, use 0xf00.
299 						 * The Windows2000 driver uses 0x0000000f for both digital and analog.
300 						 * 0xf00 introduces interesting noises onto the Center/LFE.
301 						 * If you turn the volume up, you hear computer noise,
302 						 * e.g. mouse moving, changing between app windows etc.
303 						 * So, I am going to set this to 0x0000000f all the time now,
304 						 * same as the windows driver does.
305 						 * Use register SPDIF_SELECT2(0x72) to switch between SPDIF and Analog.
306 						 */
307 						/* When Channel = 0:
308 						 * Wide SPDIF format [3:0] (one bit for each channel) (0=20bit, 1=24bit)
309 						 * Tristate SPDIF Output [11:8] (one bit for each channel) (0=Not tristate, 1=Tristate)
310 						 * SPDIF Bypass enable [19:16] (one bit for each channel) (0=Not bypass, 1=Bypass)
311 						 */
312 						/* When Channel = 1:
313 						 * SPDIF 0 User data [7:0]
314 						 * SPDIF 1 User data [15:8]
315 						 * SPDIF 0 User data [23:16]
316 						 * SPDIF 0 User data [31:24]
317 						 * User data can be sent by using the SPDIF output frame pending and SPDIF output user bit interrupts.
318 						 */
319 #define WATERMARK		0x46		/* Test bit to indicate cache usage level */
320 #define SPDIF_INPUT_STATUS	0x49		/* SPDIF Input status register. Bits the same as SPCS.
321 						 * When Channel = 0: Bits the same as SPCS channel 0.
322 						 * When Channel = 1: Bits the same as SPCS channel 1.
323 						 * When Channel = 2:
324 						 * SPDIF Input User data [16:0]
325 						 * SPDIF Input Frame count [21:16]
326 						 */
327 #define CAPTURE_CACHE_DATA	0x50		/* 0x50-0x5f Recorded samples. */
328 #define CAPTURE_SOURCE          0x60            /* Capture Source 0 = MIC */
329 #define CAPTURE_SOURCE_CHANNEL0 0xf0000000	/* Mask for selecting the Capture sources */
330 #define CAPTURE_SOURCE_CHANNEL1 0x0f000000	/* 0 - SPDIF mixer output. */
331 #define CAPTURE_SOURCE_CHANNEL2 0x00f00000      /* 1 - What you hear or . 2 - ?? */
332 #define CAPTURE_SOURCE_CHANNEL3 0x000f0000	/* 3 - Mic in, Line in, TAD in, Aux in. */
333 #define CAPTURE_SOURCE_RECORD_MAP 0x0000ffff	/* Default 0x00e4 */
334 						/* 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
335 						 * Record source select for channel 0 [18:16]
336 						 * Record source select for channel 1 [22:20]
337 						 * Record source select for channel 2 [26:24]
338 						 * Record source select for channel 3 [30:28]
339 						 * 0 - SPDIF mixer output.
340 						 * 1 - i2s mixer output.
341 						 * 2 - SPDIF input.
342 						 * 3 - i2s input.
343 						 * 4 - AC97 capture.
344 						 * 5 - SRC output.
345 						 */
346 #define CAPTURE_VOLUME1         0x61            /* Capture  volume per channel 0-3 */
347 #define CAPTURE_VOLUME2         0x62            /* Capture  volume per channel 4-7 */
348 
349 #define PLAYBACK_ROUTING1       0x63            /* Playback routing of channels 0-7. Effects AC3 output. Default 0x32765410 */
350 #define ROUTING1_REAR           0x77000000      /* Channel_id 0 sends to 10, Channel_id 1 sends to 32 */
351 #define ROUTING1_NULL           0x00770000      /* Channel_id 2 sends to 54, Channel_id 3 sends to 76 */
352 #define ROUTING1_CENTER_LFE     0x00007700      /* 0x32765410 means, send Channel_id 0 to FRONT, Channel_id 1 to REAR */
353 #define ROUTING1_FRONT          0x00000077	/* Channel_id 2 to CENTER_LFE, Channel_id 3 to NULL. */
354 						/* Channel_id's handle stereo channels. Channel X is a single mono channel */
355 						/* Host is input from the PCI bus. */
356 						/* Host channel 0 [2:0] -> SPDIF Mixer/Router channel 0-7.
357 						 * Host channel 1 [6:4] -> SPDIF Mixer/Router channel 0-7.
358 						 * Host channel 2 [10:8] -> SPDIF Mixer/Router channel 0-7.
359 						 * Host channel 3 [14:12] -> SPDIF Mixer/Router channel 0-7.
360 						 * Host channel 4 [18:16] -> SPDIF Mixer/Router channel 0-7.
361 						 * Host channel 5 [22:20] -> SPDIF Mixer/Router channel 0-7.
362 						 * Host channel 6 [26:24] -> SPDIF Mixer/Router channel 0-7.
363 						 * Host channel 7 [30:28] -> SPDIF Mixer/Router channel 0-7.
364 						 */
365 
366 #define PLAYBACK_ROUTING2       0x64            /* Playback Routing . Feeding Capture channels back into Playback. Effects AC3 output. Default 0x76767676 */
367 						/* SRC is input from the capture inputs. */
368 						/* SRC channel 0 [2:0] -> SPDIF Mixer/Router channel 0-7.
369 						 * SRC channel 1 [6:4] -> SPDIF Mixer/Router channel 0-7.
370 						 * SRC channel 2 [10:8] -> SPDIF Mixer/Router channel 0-7.
371 						 * SRC channel 3 [14:12] -> SPDIF Mixer/Router channel 0-7.
372 						 * SRC channel 4 [18:16] -> SPDIF Mixer/Router channel 0-7.
373 						 * SRC channel 5 [22:20] -> SPDIF Mixer/Router channel 0-7.
374 						 * SRC channel 6 [26:24] -> SPDIF Mixer/Router channel 0-7.
375 						 * SRC channel 7 [30:28] -> SPDIF Mixer/Router channel 0-7.
376 						 */
377 
378 #define PLAYBACK_MUTE           0x65            /* Unknown. While playing 0x0, while silent 0x00fc0000 */
379 						/* SPDIF Mixer input control:
380 						 * Invert SRC to SPDIF Mixer [7-0] (One bit per channel)
381 						 * Invert Host to SPDIF Mixer [15:8] (One bit per channel)
382 						 * SRC to SPDIF Mixer disable [23:16] (One bit per channel)
383 						 * Host to SPDIF Mixer disable [31:24] (One bit per channel)
384 						 */
385 #define PLAYBACK_VOLUME1        0x66            /* Playback SPDIF volume per channel. Set to the same PLAYBACK_VOLUME(0x6a) */
386 						/* PLAYBACK_VOLUME1 must be set to 30303030 for SPDIF AC3 Playback */
387 						/* SPDIF mixer input volume. 0=12dB, 0x30=0dB, 0xFE=-51.5dB, 0xff=Mute */
388 						/* One register for each of the 4 stereo streams. */
389 						/* SRC Right volume [7:0]
390 						 * SRC Left  volume [15:8]
391 						 * Host Right volume [23:16]
392 						 * Host Left  volume [31:24]
393 						 */
394 #define CAPTURE_ROUTING1        0x67            /* Capture Routing. Default 0x32765410 */
395 						/* 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. */
396 #define CAPTURE_ROUTING2        0x68            /* Unknown Routing. Default 0x76767676 */
397 						/* 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. */
398 #define CAPTURE_MUTE            0x69            /* Unknown. While capturing 0x0, while silent 0x00fc0000 */
399 						/* 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. */
400 #define PLAYBACK_VOLUME2        0x6a            /* Playback Analog volume per channel. Does not effect AC3 output */
401 						/* 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. */
402 #define UNKNOWN6b               0x6b            /* Unknown. Readonly. Default 00400000 00400000 00400000 00400000 */
403 #define MIDI_UART_A_DATA		0x6c            /* Midi Uart A Data */
404 #define MIDI_UART_A_CMD		0x6d            /* Midi Uart A Command/Status */
405 #define MIDI_UART_B_DATA		0x6e            /* Midi Uart B Data (currently unused) */
406 #define MIDI_UART_B_CMD		0x6f            /* Midi Uart B Command/Status (currently unused) */
407 
408 /* unique channel identifier for midi->channel */
409 
410 #define CA0106_MIDI_CHAN_A		0x1
411 #define CA0106_MIDI_CHAN_B		0x2
412 
413 /* from mpu401 */
414 
415 #define CA0106_MIDI_INPUT_AVAIL 	0x80
416 #define CA0106_MIDI_OUTPUT_READY	0x40
417 #define CA0106_MPU401_RESET		0xff
418 #define CA0106_MPU401_ENTER_UART	0x3f
419 #define CA0106_MPU401_ACK		0xfe
420 
421 #define SAMPLE_RATE_TRACKER_STATUS 0x70         /* Readonly. Default 00108000 00108000 00500000 00500000 */
422 						/* Estimated sample rate [19:0] Relative to 48kHz. 0x8000 =  1.0
423 						 * Rate Locked [20]
424 						 * SPDIF Locked [21] For SPDIF channel only.
425 						 * Valid Audio [22] For SPDIF channel only.
426 						 */
427 #define CAPTURE_CONTROL         0x71            /* Some sort of routing. default = 40c81000 30303030 30300000 00700000 */
428 						/* Channel_id 0: 0x40c81000 must be changed to 0x40c80000 for SPDIF AC3 input or output. */
429 						/* Channel_id 1: 0xffffffff(mute) 0x30303030(max) controls CAPTURE feedback into PLAYBACK. */
430 						/* Sample rate output control register Channel=0
431 						 * Sample output rate [1:0] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
432 						 * Sample input rate [3:2] (0=48kHz, 1=Not available, 2=96kHz, 3=192Khz)
433 						 * SRC input source select [4] 0=Audio from digital mixer, 1=Audio from analog source.
434 						 * Record rate [9:8] (0=48kHz, 1=Not available, 2=96kHz, 3=192Khz)
435 						 * Record mixer output enable [12:10]
436 						 * I2S input rate master mode [15:14] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
437 						 * I2S output rate [17:16] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
438 						 * I2S output source select [18] (0=Audio from host, 1=Audio from SRC)
439 						 * Record mixer I2S enable [20:19] (enable/disable i2sin1 and i2sin0)
440 						 * I2S output master clock select [21] (0=256*I2S output rate, 1=512*I2S output rate.)
441 						 * I2S input master clock select [22] (0=256*I2S input rate, 1=512*I2S input rate.)
442 						 * I2S input mode [23] (0=Slave, 1=Master)
443 						 * SPDIF output rate [25:24] (0=48kHz, 1=44.1kHz, 2=96kHz, 3=192Khz)
444 						 * SPDIF output source select [26] (0=host, 1=SRC)
445 						 * Not used [27]
446 						 * Record Source 0 input [29:28] (0=SPDIF in, 1=I2S in, 2=AC97 Mic, 3=AC97 PCM)
447 						 * Record Source 1 input [31:30] (0=SPDIF in, 1=I2S in, 2=AC97 Mic, 3=AC97 PCM)
448 						 */
449 						/* Sample rate output control register Channel=1
450 						 * I2S Input 0 volume Right [7:0]
451 						 * I2S Input 0 volume Left [15:8]
452 						 * I2S Input 1 volume Right [23:16]
453 						 * I2S Input 1 volume Left [31:24]
454 						 */
455 						/* Sample rate output control register Channel=2
456 						 * SPDIF Input volume Right [23:16]
457 						 * SPDIF Input volume Left [31:24]
458 						 */
459 						/* Sample rate output control register Channel=3
460 						 * No used
461 						 */
462 #define SPDIF_SELECT2           0x72            /* Some sort of routing. Channel_id 0 only. default = 0x0f0f003f. Analog 0x000b0000, Digital 0x0b000000 */
463 #define ROUTING2_FRONT_MASK     0x00010000      /* Enable for Front speakers. */
464 #define ROUTING2_CENTER_LFE_MASK 0x00020000     /* Enable for Center/LFE speakers. */
465 #define ROUTING2_REAR_MASK      0x00080000      /* Enable for Rear speakers. */
466 						/* Audio output control
467 						 * AC97 output enable [5:0]
468 						 * I2S output enable [19:16]
469 						 * SPDIF output enable [27:24]
470 						 */
471 #define UNKNOWN73               0x73            /* Unknown. Readonly. Default 0x0 */
472 #define CHIP_VERSION            0x74            /* P17 Chip version. Channel_id 0 only. Default 00000071 */
473 #define EXTENDED_INT_MASK       0x75            /* Used by both playback and capture interrupt handler */
474 						/* Sets which Interrupts are enabled. */
475 						/* 0x00000001 = Half period. Playback.
476 						 * 0x00000010 = Full period. Playback.
477 						 * 0x00000100 = Half buffer. Playback.
478 						 * 0x00001000 = Full buffer. Playback.
479 						 * 0x00010000 = Half buffer. Capture.
480 						 * 0x00100000 = Full buffer. Capture.
481 						 * Capture can only do 2 periods.
482 						 * 0x01000000 = End audio. Playback.
483 						 * 0x40000000 = Half buffer Playback,Caputre xrun.
484 						 * 0x80000000 = Full buffer Playback,Caputre xrun.
485 						 */
486 #define EXTENDED_INT            0x76            /* Used by both playback and capture interrupt handler */
487 						/* Shows which interrupts are active at the moment. */
488 						/* Same bit layout as EXTENDED_INT_MASK */
489 #define COUNTER77               0x77		/* Counter range 0 to 0x3fffff, 192000 counts per second. */
490 #define COUNTER78               0x78		/* Counter range 0 to 0x3fffff, 44100 counts per second. */
491 #define EXTENDED_INT_TIMER      0x79            /* Channel_id 0 only. Used by both playback and capture interrupt handler */
492 						/* Causes interrupts based on timer intervals. */
493 #define SPI			0x7a		/* SPI: Serial Interface Register */
494 #define I2C_A			0x7b		/* I2C Address. 32 bit */
495 #define I2C_D0			0x7c		/* I2C Data Port 0. 32 bit */
496 #define I2C_D1			0x7d		/* I2C Data Port 1. 32 bit */
497 //I2C values
498 #define I2C_A_ADC_ADD_MASK	0x000000fe	//The address is a 7 bit address
499 #define I2C_A_ADC_RW_MASK	0x00000001	//bit mask for R/W
500 #define I2C_A_ADC_TRANS_MASK	0x00000010  	//Bit mask for I2c address DAC value
501 #define I2C_A_ADC_ABORT_MASK	0x00000020	//Bit mask for I2C transaction abort flag
502 #define I2C_A_ADC_LAST_MASK	0x00000040	//Bit mask for Last word transaction
503 #define I2C_A_ADC_BYTE_MASK	0x00000080	//Bit mask for Byte Mode
504 
505 #define I2C_A_ADC_ADD		0x00000034	//This is the Device address for ADC
506 #define I2C_A_ADC_READ		0x00000001	//To perform a read operation
507 #define I2C_A_ADC_START		0x00000100	//Start I2C transaction
508 #define I2C_A_ADC_ABORT		0x00000200	//I2C transaction abort
509 #define I2C_A_ADC_LAST		0x00000400	//I2C last transaction
510 #define I2C_A_ADC_BYTE		0x00000800	//I2C one byte mode
511 
512 #define I2C_D_ADC_REG_MASK	0xfe000000  	//ADC address register
513 #define I2C_D_ADC_DAT_MASK	0x01ff0000  	//ADC data register
514 
515 #define ADC_TIMEOUT		0x00000007	//ADC Timeout Clock Disable
516 #define ADC_IFC_CTRL		0x0000000b	//ADC Interface Control
517 #define ADC_MASTER		0x0000000c	//ADC Master Mode Control
518 #define ADC_POWER		0x0000000d	//ADC PowerDown Control
519 #define ADC_ATTEN_ADCL		0x0000000e	//ADC Attenuation ADCL
520 #define ADC_ATTEN_ADCR		0x0000000f	//ADC Attenuation ADCR
521 #define ADC_ALC_CTRL1		0x00000010	//ADC ALC Control 1
522 #define ADC_ALC_CTRL2		0x00000011	//ADC ALC Control 2
523 #define ADC_ALC_CTRL3		0x00000012	//ADC ALC Control 3
524 #define ADC_NOISE_CTRL		0x00000013	//ADC Noise Gate Control
525 #define ADC_LIMIT_CTRL		0x00000014	//ADC Limiter Control
526 #define ADC_MUX			0x00000015  	//ADC Mux offset
527 
528 #if 0
529 /* FIXME: Not tested yet. */
530 #define ADC_GAIN_MASK		0x000000ff	//Mask for ADC Gain
531 #define ADC_ZERODB		0x000000cf	//Value to set ADC to 0dB
532 #define ADC_MUTE_MASK		0x000000c0	//Mask for ADC mute
533 #define ADC_MUTE		0x000000c0	//Value to mute ADC
534 #define ADC_OSR			0x00000008	//Mask for ADC oversample rate select
535 #define ADC_TIMEOUT_DISABLE	0x00000008	//Value and mask to disable Timeout clock
536 #define ADC_HPF_DISABLE		0x00000100	//Value and mask to disable High pass filter
537 #define ADC_TRANWIN_MASK	0x00000070	//Mask for Length of Transient Window
538 #endif
539 
540 #define ADC_MUX_MASK		0x0000000f	//Mask for ADC Mux
541 #define ADC_MUX_PHONE		0x00000001	//Value to select TAD at ADC Mux (Not used)
542 #define ADC_MUX_MIC		0x00000002	//Value to select Mic at ADC Mux
543 #define ADC_MUX_LINEIN		0x00000004	//Value to select LineIn at ADC Mux
544 #define ADC_MUX_AUX		0x00000008	//Value to select Aux at ADC Mux
545 
546 #define SET_CHANNEL 0  /* Testing channel outputs 0=Front, 1=Center/LFE, 2=Unknown, 3=Rear */
547 #define PCM_FRONT_CHANNEL 0
548 #define PCM_REAR_CHANNEL 1
549 #define PCM_CENTER_LFE_CHANNEL 2
550 #define PCM_UNKNOWN_CHANNEL 3
551 #define CONTROL_FRONT_CHANNEL 0
552 #define CONTROL_REAR_CHANNEL 3
553 #define CONTROL_CENTER_LFE_CHANNEL 1
554 #define CONTROL_UNKNOWN_CHANNEL 2
555 
556 
557 /* Based on WM8768 Datasheet Rev 4.2 page 32 */
558 #define SPI_REG_MASK	0x1ff	/* 16-bit SPI writes have a 7-bit address */
559 #define SPI_REG_SHIFT	9	/* followed by 9 bits of data */
560 
561 #define SPI_LDA1_REG		0	/* digital attenuation */
562 #define SPI_RDA1_REG		1
563 #define SPI_LDA2_REG		4
564 #define SPI_RDA2_REG		5
565 #define SPI_LDA3_REG		6
566 #define SPI_RDA3_REG		7
567 #define SPI_LDA4_REG		13
568 #define SPI_RDA4_REG		14
569 #define SPI_MASTDA_REG		8
570 
571 #define SPI_DA_BIT_UPDATE	(1<<8)	/* update attenuation values */
572 #define SPI_DA_BIT_0dB		0xff	/* 0 dB */
573 #define SPI_DA_BIT_infdB	0x00	/* inf dB attenuation (mute) */
574 
575 #define SPI_PL_REG		2
576 #define SPI_PL_BIT_L_M		(0<<5)	/* left channel = mute */
577 #define SPI_PL_BIT_L_L		(1<<5)	/* left channel = left */
578 #define SPI_PL_BIT_L_R		(2<<5)	/* left channel = right */
579 #define SPI_PL_BIT_L_C		(3<<5)	/* left channel = (L+R)/2 */
580 #define SPI_PL_BIT_R_M		(0<<7)	/* right channel = mute */
581 #define SPI_PL_BIT_R_L		(1<<7)	/* right channel = left */
582 #define SPI_PL_BIT_R_R		(2<<7)	/* right channel = right */
583 #define SPI_PL_BIT_R_C		(3<<7)	/* right channel = (L+R)/2 */
584 #define SPI_IZD_REG		2
585 #define SPI_IZD_BIT		(0<<4)	/* infinite zero detect */
586 
587 #define SPI_FMT_REG		3
588 #define SPI_FMT_BIT_RJ		(0<<0)	/* right justified mode */
589 #define SPI_FMT_BIT_LJ		(1<<0)	/* left justified mode */
590 #define SPI_FMT_BIT_I2S		(2<<0)	/* I2S mode */
591 #define SPI_FMT_BIT_DSP		(3<<0)	/* DSP Modes A or B */
592 #define SPI_LRP_REG		3
593 #define SPI_LRP_BIT		(1<<2)	/* invert LRCLK polarity */
594 #define SPI_BCP_REG		3
595 #define SPI_BCP_BIT		(1<<3)	/* invert BCLK polarity */
596 #define SPI_IWL_REG		3
597 #define SPI_IWL_BIT_16		(0<<4)	/* 16-bit world length */
598 #define SPI_IWL_BIT_20		(1<<4)	/* 20-bit world length */
599 #define SPI_IWL_BIT_24		(2<<4)	/* 24-bit world length */
600 #define SPI_IWL_BIT_32		(3<<4)	/* 32-bit world length */
601 
602 #define SPI_MS_REG		10
603 #define SPI_MS_BIT		(1<<5)	/* master mode */
604 #define SPI_RATE_REG		10	/* only applies in master mode */
605 #define SPI_RATE_BIT_128	(0<<6)	/* MCLK = LRCLK * 128 */
606 #define SPI_RATE_BIT_192	(1<<6)
607 #define SPI_RATE_BIT_256	(2<<6)
608 #define SPI_RATE_BIT_384	(3<<6)
609 #define SPI_RATE_BIT_512	(4<<6)
610 #define SPI_RATE_BIT_768	(5<<6)
611 
612 /* They really do label the bit for the 4th channel "4" and not "3" */
613 #define SPI_DMUTE0_REG		9
614 #define SPI_DMUTE1_REG		9
615 #define SPI_DMUTE2_REG		9
616 #define SPI_DMUTE4_REG		15
617 #define SPI_DMUTE0_BIT		(1<<3)
618 #define SPI_DMUTE1_BIT		(1<<4)
619 #define SPI_DMUTE2_BIT		(1<<5)
620 #define SPI_DMUTE4_BIT		(1<<2)
621 
622 #define SPI_PHASE0_REG		3
623 #define SPI_PHASE1_REG		3
624 #define SPI_PHASE2_REG		3
625 #define SPI_PHASE4_REG		15
626 #define SPI_PHASE0_BIT		(1<<6)
627 #define SPI_PHASE1_BIT		(1<<7)
628 #define SPI_PHASE2_BIT		(1<<8)
629 #define SPI_PHASE4_BIT		(1<<3)
630 
631 #define SPI_PDWN_REG		2	/* power down all DACs */
632 #define SPI_PDWN_BIT		(1<<2)
633 #define SPI_DACD0_REG		10	/* power down individual DACs */
634 #define SPI_DACD1_REG		10
635 #define SPI_DACD2_REG		10
636 #define SPI_DACD4_REG		15
637 #define SPI_DACD0_BIT		(1<<1)
638 #define SPI_DACD1_BIT		(1<<2)
639 #define SPI_DACD2_BIT		(1<<3)
640 #define SPI_DACD4_BIT		(1<<0)	/* datasheet error says it's 1 */
641 
642 #define SPI_PWRDNALL_REG	10	/* power down everything */
643 #define SPI_PWRDNALL_BIT	(1<<4)
644 
645 #include "ca_midi.h"
646 
647 struct snd_ca0106;
648 
649 struct snd_ca0106_channel {
650 	struct snd_ca0106 *emu;
651 	int number;
652 	int use;
653 	void (*interrupt)(struct snd_ca0106 *emu, struct snd_ca0106_channel *channel);
654 	struct snd_ca0106_pcm *epcm;
655 };
656 
657 struct snd_ca0106_pcm {
658 	struct snd_ca0106 *emu;
659 	struct snd_pcm_substream *substream;
660         int channel_id;
661 	unsigned short running;
662 };
663 
664 struct snd_ca0106_details {
665         u32 serial;
666         char * name;
667 	int ac97;	/* ac97 = 0 -> Select MIC, Line in, TAD in, AUX in.
668 			   ac97 = 1 -> Default to AC97 in. */
669 	int gpio_type;	/* gpio_type = 1 -> shared mic-in/line-in
670 			   gpio_type = 2 -> shared side-out/line-in. */
671 	int i2c_adc;	/* with i2c_adc=1, the driver adds some capture volume
672 			   controls, phone, mic, line-in and aux. */
673 	u16 spi_dac;	/* spi_dac = 0 -> no spi interface for DACs
674 			   spi_dac = 0x<front><rear><center-lfe><side>
675 			   -> specifies DAC id for each channel pair. */
676 };
677 
678 // definition of the chip-specific record
679 struct snd_ca0106 {
680 	struct snd_card *card;
681 	struct snd_ca0106_details *details;
682 	struct pci_dev *pci;
683 
684 	unsigned long port;
685 	struct resource *res_port;
686 	int irq;
687 
688 	unsigned int serial;            /* serial number */
689 	unsigned short model;		/* subsystem id */
690 
691 	spinlock_t emu_lock;
692 
693 	struct snd_ac97 *ac97;
694 	struct snd_pcm *pcm[4];
695 
696 	struct snd_ca0106_channel playback_channels[4];
697 	struct snd_ca0106_channel capture_channels[4];
698 	u32 spdif_bits[4];             /* s/pdif out default setup */
699 	u32 spdif_str_bits[4];         /* s/pdif out per-stream setup */
700 	int spdif_enable;
701 	int capture_source;
702 	int i2c_capture_source;
703 	u8 i2c_capture_volume[4][2];
704 	int capture_mic_line_in;
705 
706 	struct snd_dma_buffer buffer;
707 
708 	struct snd_ca_midi midi;
709 	struct snd_ca_midi midi2;
710 
711 	u16 spi_dac_reg[16];
712 
713 #ifdef CONFIG_PM_SLEEP
714 #define NUM_SAVED_VOLUMES	9
715 	unsigned int saved_vol[NUM_SAVED_VOLUMES];
716 #endif
717 };
718 
719 int snd_ca0106_mixer(struct snd_ca0106 *emu);
720 int snd_ca0106_proc_init(struct snd_ca0106 * emu);
721 
722 unsigned int snd_ca0106_ptr_read(struct snd_ca0106 * emu,
723 				 unsigned int reg,
724 				 unsigned int chn);
725 
726 void snd_ca0106_ptr_write(struct snd_ca0106 *emu,
727 			  unsigned int reg,
728 			  unsigned int chn,
729 			  unsigned int data);
730 
731 int snd_ca0106_i2c_write(struct snd_ca0106 *emu, u32 reg, u32 value);
732 
733 int snd_ca0106_spi_write(struct snd_ca0106 * emu,
734 				   unsigned int data);
735 
736 #ifdef CONFIG_PM_SLEEP
737 void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip);
738 void snd_ca0106_mixer_resume(struct snd_ca0106 *chip);
739 #else
740 #define snd_ca0106_mixer_suspend(chip)	do { } while (0)
741 #define snd_ca0106_mixer_resume(chip)	do { } while (0)
742 #endif
743