xref: /openbmc/linux/include/sound/ac97_codec.h (revision eb8caf30)
1 #ifndef __SOUND_AC97_CODEC_H
2 #define __SOUND_AC97_CODEC_H
3 
4 /*
5  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
6  *  Universal interface for Audio Codec '97
7  *
8  *  For more details look to AC '97 component specification revision 2.1
9  *  by Intel Corporation (http://developer.intel.com).
10  *
11  *
12  *   This program is free software; you can redistribute it and/or modify
13  *   it under the terms of the GNU General Public License as published by
14  *   the Free Software Foundation; either version 2 of the License, or
15  *   (at your option) any later version.
16  *
17  *   This program is distributed in the hope that it will be useful,
18  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
19  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  *   GNU General Public License for more details.
21  *
22  *   You should have received a copy of the GNU General Public License
23  *   along with this program; if not, write to the Free Software
24  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
25  *
26  */
27 
28 #include <linux/bitops.h>
29 #include "pcm.h"
30 #include "control.h"
31 #include "info.h"
32 
33 /*
34  *  AC'97 codec registers
35  */
36 
37 #define AC97_RESET		0x00	/* Reset */
38 #define AC97_MASTER		0x02	/* Master Volume */
39 #define AC97_HEADPHONE		0x04	/* Headphone Volume (optional) */
40 #define AC97_MASTER_MONO	0x06	/* Master Volume Mono (optional) */
41 #define AC97_MASTER_TONE	0x08	/* Master Tone (Bass & Treble) (optional) */
42 #define AC97_PC_BEEP		0x0a	/* PC Beep Volume (optinal) */
43 #define AC97_PHONE		0x0c	/* Phone Volume (optional) */
44 #define AC97_MIC		0x0e	/* MIC Volume */
45 #define AC97_LINE		0x10	/* Line In Volume */
46 #define AC97_CD			0x12	/* CD Volume */
47 #define AC97_VIDEO		0x14	/* Video Volume (optional) */
48 #define AC97_AUX		0x16	/* AUX Volume (optional) */
49 #define AC97_PCM		0x18	/* PCM Volume */
50 #define AC97_REC_SEL		0x1a	/* Record Select */
51 #define AC97_REC_GAIN		0x1c	/* Record Gain */
52 #define AC97_REC_GAIN_MIC	0x1e	/* Record Gain MIC (optional) */
53 #define AC97_GENERAL_PURPOSE	0x20	/* General Purpose (optional) */
54 #define AC97_3D_CONTROL		0x22	/* 3D Control (optional) */
55 #define AC97_INT_PAGING		0x24	/* Audio Interrupt & Paging (AC'97 2.3) */
56 #define AC97_POWERDOWN		0x26	/* Powerdown control / status */
57 /* range 0x28-0x3a - AUDIO AC'97 2.0 extensions */
58 #define AC97_EXTENDED_ID	0x28	/* Extended Audio ID */
59 #define AC97_EXTENDED_STATUS	0x2a	/* Extended Audio Status and Control */
60 #define AC97_PCM_FRONT_DAC_RATE 0x2c	/* PCM Front DAC Rate */
61 #define AC97_PCM_SURR_DAC_RATE	0x2e	/* PCM Surround DAC Rate */
62 #define AC97_PCM_LFE_DAC_RATE	0x30	/* PCM LFE DAC Rate */
63 #define AC97_PCM_LR_ADC_RATE	0x32	/* PCM LR ADC Rate */
64 #define AC97_PCM_MIC_ADC_RATE	0x34	/* PCM MIC ADC Rate */
65 #define AC97_CENTER_LFE_MASTER	0x36	/* Center + LFE Master Volume */
66 #define AC97_SURROUND_MASTER	0x38	/* Surround (Rear) Master Volume */
67 #define AC97_SPDIF		0x3a	/* S/PDIF control */
68 /* range 0x3c-0x58 - MODEM */
69 #define AC97_EXTENDED_MID	0x3c	/* Extended Modem ID */
70 #define AC97_EXTENDED_MSTATUS	0x3e	/* Extended Modem Status and Control */
71 #define AC97_LINE1_RATE		0x40	/* Line1 DAC/ADC Rate */
72 #define AC97_LINE2_RATE		0x42	/* Line2 DAC/ADC Rate */
73 #define AC97_HANDSET_RATE	0x44	/* Handset DAC/ADC Rate */
74 #define AC97_LINE1_LEVEL	0x46	/* Line1 DAC/ADC Level */
75 #define AC97_LINE2_LEVEL	0x48	/* Line2 DAC/ADC Level */
76 #define AC97_HANDSET_LEVEL	0x4a	/* Handset DAC/ADC Level */
77 #define AC97_GPIO_CFG		0x4c	/* GPIO Configuration */
78 #define AC97_GPIO_POLARITY	0x4e	/* GPIO Pin Polarity/Type, 0=low, 1=high active */
79 #define AC97_GPIO_STICKY	0x50	/* GPIO Pin Sticky, 0=not, 1=sticky */
80 #define AC97_GPIO_WAKEUP	0x52	/* GPIO Pin Wakeup, 0=no int, 1=yes int */
81 #define AC97_GPIO_STATUS	0x54	/* GPIO Pin Status, slot 12 */
82 #define AC97_MISC_AFE		0x56	/* Miscellaneous Modem AFE Status and Control */
83 /* range 0x5a-0x7b - Vendor Specific */
84 #define AC97_VENDOR_ID1		0x7c	/* Vendor ID1 */
85 #define AC97_VENDOR_ID2		0x7e	/* Vendor ID2 / revision */
86 /* range 0x60-0x6f (page 1) - extended codec registers */
87 #define AC97_CODEC_CLASS_REV	0x60	/* Codec Class/Revision */
88 #define AC97_PCI_SVID		0x62	/* PCI Subsystem Vendor ID */
89 #define AC97_PCI_SID		0x64	/* PCI Subsystem ID */
90 #define AC97_FUNC_SELECT	0x66	/* Function Select */
91 #define AC97_FUNC_INFO		0x68	/* Function Information */
92 #define AC97_SENSE_INFO		0x6a	/* Sense Details */
93 
94 /* slot allocation */
95 #define AC97_SLOT_TAG		0
96 #define AC97_SLOT_CMD_ADDR	1
97 #define AC97_SLOT_CMD_DATA	2
98 #define AC97_SLOT_PCM_LEFT	3
99 #define AC97_SLOT_PCM_RIGHT	4
100 #define AC97_SLOT_MODEM_LINE1	5
101 #define AC97_SLOT_PCM_CENTER	6
102 #define AC97_SLOT_MIC		6	/* input */
103 #define AC97_SLOT_SPDIF_LEFT1	6
104 #define AC97_SLOT_PCM_SLEFT	7	/* surround left */
105 #define AC97_SLOT_PCM_LEFT_0	7	/* double rate operation */
106 #define AC97_SLOT_SPDIF_LEFT	7
107 #define AC97_SLOT_PCM_SRIGHT	8	/* surround right */
108 #define AC97_SLOT_PCM_RIGHT_0	8	/* double rate operation */
109 #define AC97_SLOT_SPDIF_RIGHT	8
110 #define AC97_SLOT_LFE		9
111 #define AC97_SLOT_SPDIF_RIGHT1	9
112 #define AC97_SLOT_MODEM_LINE2	10
113 #define AC97_SLOT_PCM_LEFT_1	10	/* double rate operation */
114 #define AC97_SLOT_SPDIF_LEFT2	10
115 #define AC97_SLOT_HANDSET	11	/* output */
116 #define AC97_SLOT_PCM_RIGHT_1	11	/* double rate operation */
117 #define AC97_SLOT_SPDIF_RIGHT2	11
118 #define AC97_SLOT_MODEM_GPIO	12	/* modem GPIO */
119 #define AC97_SLOT_PCM_CENTER_1	12	/* double rate operation */
120 
121 /* basic capabilities (reset register) */
122 #define AC97_BC_DEDICATED_MIC	0x0001	/* Dedicated Mic PCM In Channel */
123 #define AC97_BC_RESERVED1	0x0002	/* Reserved (was Modem Line Codec support) */
124 #define AC97_BC_BASS_TREBLE	0x0004	/* Bass & Treble Control */
125 #define AC97_BC_SIM_STEREO	0x0008	/* Simulated stereo */
126 #define AC97_BC_HEADPHONE	0x0010	/* Headphone Out Support */
127 #define AC97_BC_LOUDNESS	0x0020	/* Loudness (bass boost) Support */
128 #define AC97_BC_16BIT_DAC	0x0000	/* 16-bit DAC resolution */
129 #define AC97_BC_18BIT_DAC	0x0040	/* 18-bit DAC resolution */
130 #define AC97_BC_20BIT_DAC	0x0080	/* 20-bit DAC resolution */
131 #define AC97_BC_DAC_MASK	0x00c0
132 #define AC97_BC_16BIT_ADC	0x0000	/* 16-bit ADC resolution */
133 #define AC97_BC_18BIT_ADC	0x0100	/* 18-bit ADC resolution */
134 #define AC97_BC_20BIT_ADC	0x0200	/* 20-bit ADC resolution */
135 #define AC97_BC_ADC_MASK	0x0300
136 
137 /* general purpose */
138 #define AC97_GP_DRSS_MASK	0x0c00	/* double rate slot select */
139 #define AC97_GP_DRSS_1011	0x0000	/* LR(C) 10+11(+12) */
140 #define AC97_GP_DRSS_78		0x0400	/* LR 7+8 */
141 
142 /* extended audio ID bit defines */
143 #define AC97_EI_VRA		0x0001	/* Variable bit rate supported */
144 #define AC97_EI_DRA		0x0002	/* Double rate supported */
145 #define AC97_EI_SPDIF		0x0004	/* S/PDIF out supported */
146 #define AC97_EI_VRM		0x0008	/* Variable bit rate supported for MIC */
147 #define AC97_EI_DACS_SLOT_MASK	0x0030	/* DACs slot assignment */
148 #define AC97_EI_DACS_SLOT_SHIFT	4
149 #define AC97_EI_CDAC		0x0040	/* PCM Center DAC available */
150 #define AC97_EI_SDAC		0x0080	/* PCM Surround DACs available */
151 #define AC97_EI_LDAC		0x0100	/* PCM LFE DAC available */
152 #define AC97_EI_AMAP		0x0200	/* indicates optional slot/DAC mapping based on codec ID */
153 #define AC97_EI_REV_MASK	0x0c00	/* AC'97 revision mask */
154 #define AC97_EI_REV_22		0x0400	/* AC'97 revision 2.2 */
155 #define AC97_EI_REV_23		0x0800	/* AC'97 revision 2.3 */
156 #define AC97_EI_REV_SHIFT	10
157 #define AC97_EI_ADDR_MASK	0xc000	/* physical codec ID (address) */
158 #define AC97_EI_ADDR_SHIFT	14
159 
160 /* extended audio status and control bit defines */
161 #define AC97_EA_VRA		0x0001	/* Variable bit rate enable bit */
162 #define AC97_EA_DRA		0x0002	/* Double-rate audio enable bit */
163 #define AC97_EA_SPDIF		0x0004	/* S/PDIF out enable bit */
164 #define AC97_EA_VRM		0x0008	/* Variable bit rate for MIC enable bit */
165 #define AC97_EA_SPSA_SLOT_MASK	0x0030	/* Mask for slot assignment bits */
166 #define AC97_EA_SPSA_SLOT_SHIFT 4
167 #define AC97_EA_SPSA_3_4	0x0000	/* Slot assigned to 3 & 4 */
168 #define AC97_EA_SPSA_7_8	0x0010	/* Slot assigned to 7 & 8 */
169 #define AC97_EA_SPSA_6_9	0x0020	/* Slot assigned to 6 & 9 */
170 #define AC97_EA_SPSA_10_11	0x0030	/* Slot assigned to 10 & 11 */
171 #define AC97_EA_CDAC		0x0040	/* PCM Center DAC is ready (Read only) */
172 #define AC97_EA_SDAC		0x0080	/* PCM Surround DACs are ready (Read only) */
173 #define AC97_EA_LDAC		0x0100	/* PCM LFE DAC is ready (Read only) */
174 #define AC97_EA_MDAC		0x0200	/* MIC ADC is ready (Read only) */
175 #define AC97_EA_SPCV		0x0400	/* S/PDIF configuration valid (Read only) */
176 #define AC97_EA_PRI		0x0800	/* Turns the PCM Center DAC off */
177 #define AC97_EA_PRJ		0x1000	/* Turns the PCM Surround DACs off */
178 #define AC97_EA_PRK		0x2000	/* Turns the PCM LFE DAC off */
179 #define AC97_EA_PRL		0x4000	/* Turns the MIC ADC off */
180 
181 /* S/PDIF control bit defines */
182 #define AC97_SC_PRO		0x0001	/* Professional status */
183 #define AC97_SC_NAUDIO		0x0002	/* Non audio stream */
184 #define AC97_SC_COPY		0x0004	/* Copyright status */
185 #define AC97_SC_PRE		0x0008	/* Preemphasis status */
186 #define AC97_SC_CC_MASK		0x07f0	/* Category Code mask */
187 #define AC97_SC_CC_SHIFT	4
188 #define AC97_SC_L		0x0800	/* Generation Level status */
189 #define AC97_SC_SPSR_MASK	0x3000	/* S/PDIF Sample Rate bits */
190 #define AC97_SC_SPSR_SHIFT	12
191 #define AC97_SC_SPSR_44K	0x0000	/* Use 44.1kHz Sample rate */
192 #define AC97_SC_SPSR_48K	0x2000	/* Use 48kHz Sample rate */
193 #define AC97_SC_SPSR_32K	0x3000	/* Use 32kHz Sample rate */
194 #define AC97_SC_DRS		0x4000	/* Double Rate S/PDIF */
195 #define AC97_SC_V		0x8000	/* Validity status */
196 
197 /* Interrupt and Paging bit defines (AC'97 2.3) */
198 #define AC97_PAGE_MASK		0x000f	/* Page Selector */
199 #define AC97_PAGE_VENDOR	0	/* Vendor-specific registers */
200 #define AC97_PAGE_1		1	/* Extended Codec Registers page 1 */
201 #define AC97_INT_ENABLE		0x0800	/* Interrupt Enable */
202 #define AC97_INT_SENSE		0x1000	/* Sense Cycle */
203 #define AC97_INT_CAUSE_SENSE	0x2000	/* Sense Cycle Completed (RO) */
204 #define AC97_INT_CAUSE_GPIO	0x4000	/* GPIO bits changed (RO) */
205 #define AC97_INT_STATUS		0x8000	/* Interrupt Status */
206 
207 /* extended modem ID bit defines */
208 #define AC97_MEI_LINE1		0x0001	/* Line1 present */
209 #define AC97_MEI_LINE2		0x0002	/* Line2 present */
210 #define AC97_MEI_HANDSET	0x0004	/* Handset present */
211 #define AC97_MEI_CID1		0x0008	/* caller ID decode for Line1 is supported */
212 #define AC97_MEI_CID2		0x0010	/* caller ID decode for Line2 is supported */
213 #define AC97_MEI_ADDR_MASK	0xc000	/* physical codec ID (address) */
214 #define AC97_MEI_ADDR_SHIFT	14
215 
216 /* extended modem status and control bit defines */
217 #define AC97_MEA_GPIO		0x0001	/* GPIO is ready (ro) */
218 #define AC97_MEA_MREF		0x0002	/* Vref is up to nominal level (ro) */
219 #define AC97_MEA_ADC1		0x0004	/* ADC1 operational (ro) */
220 #define AC97_MEA_DAC1		0x0008	/* DAC1 operational (ro) */
221 #define AC97_MEA_ADC2		0x0010	/* ADC2 operational (ro) */
222 #define AC97_MEA_DAC2		0x0020	/* DAC2 operational (ro) */
223 #define AC97_MEA_HADC		0x0040	/* HADC operational (ro) */
224 #define AC97_MEA_HDAC		0x0080	/* HDAC operational (ro) */
225 #define AC97_MEA_PRA		0x0100	/* GPIO power down (high) */
226 #define AC97_MEA_PRB		0x0200	/* reserved */
227 #define AC97_MEA_PRC		0x0400	/* ADC1 power down (high) */
228 #define AC97_MEA_PRD		0x0800	/* DAC1 power down (high) */
229 #define AC97_MEA_PRE		0x1000	/* ADC2 power down (high) */
230 #define AC97_MEA_PRF		0x2000	/* DAC2 power down (high) */
231 #define AC97_MEA_PRG		0x4000	/* HADC power down (high) */
232 #define AC97_MEA_PRH		0x8000	/* HDAC power down (high) */
233 
234 /* modem gpio status defines */
235 #define AC97_GPIO_LINE1_OH      0x0001  /* Off Hook Line1 */
236 #define AC97_GPIO_LINE1_RI      0x0002  /* Ring Detect Line1 */
237 #define AC97_GPIO_LINE1_CID     0x0004  /* Caller ID path enable Line1 */
238 #define AC97_GPIO_LINE1_LCS     0x0008  /* Loop Current Sense Line1 */
239 #define AC97_GPIO_LINE1_PULSE   0x0010  /* Opt./ Pulse Dial Line1 (out) */
240 #define AC97_GPIO_LINE1_HL1R    0x0020  /* Opt./ Handset to Line1 relay control (out) */
241 #define AC97_GPIO_LINE1_HOHD    0x0040  /* Opt./ Handset off hook detect Line1 (in) */
242 #define AC97_GPIO_LINE12_AC     0x0080  /* Opt./ Int.bit 1 / Line1/2 AC (out) */
243 #define AC97_GPIO_LINE12_DC     0x0100  /* Opt./ Int.bit 2 / Line1/2 DC (out) */
244 #define AC97_GPIO_LINE12_RS     0x0200  /* Opt./ Int.bit 3 / Line1/2 RS (out) */
245 #define AC97_GPIO_LINE2_OH      0x0400  /* Off Hook Line2 */
246 #define AC97_GPIO_LINE2_RI      0x0800  /* Ring Detect Line2 */
247 #define AC97_GPIO_LINE2_CID     0x1000  /* Caller ID path enable Line2 */
248 #define AC97_GPIO_LINE2_LCS     0x2000  /* Loop Current Sense Line2 */
249 #define AC97_GPIO_LINE2_PULSE   0x4000  /* Opt./ Pulse Dial Line2 (out) */
250 #define AC97_GPIO_LINE2_HL1R    0x8000  /* Opt./ Handset to Line2 relay control (out) */
251 
252 /* specific - SigmaTel */
253 #define AC97_SIGMATEL_OUTSEL	0x64	/* Output Select, STAC9758 */
254 #define AC97_SIGMATEL_INSEL	0x66	/* Input Select, STAC9758 */
255 #define AC97_SIGMATEL_IOMISC	0x68	/* STAC9758 */
256 #define AC97_SIGMATEL_ANALOG	0x6c	/* Analog Special */
257 #define AC97_SIGMATEL_DAC2INVERT 0x6e
258 #define AC97_SIGMATEL_BIAS1	0x70
259 #define AC97_SIGMATEL_BIAS2	0x72
260 #define AC97_SIGMATEL_VARIOUS	0x72	/* STAC9758 */
261 #define AC97_SIGMATEL_MULTICHN	0x74	/* Multi-Channel programming */
262 #define AC97_SIGMATEL_CIC1	0x76
263 #define AC97_SIGMATEL_CIC2	0x78
264 
265 /* specific - Analog Devices */
266 #define AC97_AD_TEST		0x5a	/* test register */
267 #define AC97_AD_CODEC_CFG	0x70	/* codec configuration */
268 #define AC97_AD_JACK_SPDIF	0x72	/* Jack Sense & S/PDIF */
269 #define AC97_AD_SERIAL_CFG	0x74	/* Serial Configuration */
270 #define AC97_AD_MISC		0x76	/* Misc Control Bits */
271 
272 /* specific - Cirrus Logic */
273 #define AC97_CSR_ACMODE		0x5e	/* AC Mode Register */
274 #define AC97_CSR_MISC_CRYSTAL	0x60	/* Misc Crystal Control */
275 #define AC97_CSR_SPDIF		0x68	/* S/PDIF Register */
276 #define AC97_CSR_SERIAL		0x6a	/* Serial Port Control */
277 #define AC97_CSR_SPECF_ADDR	0x6c	/* Special Feature Address */
278 #define AC97_CSR_SPECF_DATA	0x6e	/* Special Feature Data */
279 #define AC97_CSR_BDI_STATUS	0x7a	/* BDI Status */
280 
281 /* specific - Conexant */
282 #define AC97_CXR_AUDIO_MISC	0x5c
283 #define AC97_CXR_SPDIFEN	(1<<3)
284 #define AC97_CXR_COPYRGT	(1<<2)
285 #define AC97_CXR_SPDIF_MASK	(3<<0)
286 #define AC97_CXR_SPDIF_PCM	0x0
287 #define AC97_CXR_SPDIF_AC3	0x2
288 
289 /* specific - ALC */
290 #define AC97_ALC650_SPDIF_INPUT_STATUS1	0x60
291 /* S/PDIF input status 1 bit defines */
292 #define AC97_ALC650_PRO             0x0001  /* Professional status */
293 #define AC97_ALC650_NAUDIO          0x0002  /* Non audio stream */
294 #define AC97_ALC650_COPY            0x0004  /* Copyright status */
295 #define AC97_ALC650_PRE             0x0038  /* Preemphasis status */
296 #define AC97_ALC650_PRE_SHIFT       3
297 #define AC97_ALC650_MODE            0x00C0  /* Preemphasis status */
298 #define AC97_ALC650_MODE_SHIFT      6
299 #define AC97_ALC650_CC_MASK         0x7f00  /* Category Code mask */
300 #define AC97_ALC650_CC_SHIFT        8
301 #define AC97_ALC650_L               0x8000  /* Generation Level status */
302 
303 #define AC97_ALC650_SPDIF_INPUT_STATUS2	0x62
304 /* S/PDIF input status 2 bit defines */
305 #define AC97_ALC650_SOUCE_MASK      0x000f  /* Source number */
306 #define AC97_ALC650_CHANNEL_MASK    0x00f0  /* Channel number */
307 #define AC97_ALC650_CHANNEL_SHIFT   4
308 #define AC97_ALC650_SPSR_MASK       0x0f00  /* S/PDIF Sample Rate bits */
309 #define AC97_ALC650_SPSR_SHIFT      8
310 #define AC97_ALC650_SPSR_44K        0x0000  /* Use 44.1kHz Sample rate */
311 #define AC97_ALC650_SPSR_48K        0x0200  /* Use 48kHz Sample rate */
312 #define AC97_ALC650_SPSR_32K        0x0300  /* Use 32kHz Sample rate */
313 #define AC97_ALC650_CLOCK_ACCURACY  0x3000  /* Clock accuracy */
314 #define AC97_ALC650_CLOCK_SHIFT     12
315 #define AC97_ALC650_CLOCK_LOCK      0x4000  /* Clock locked status */
316 #define AC97_ALC650_V               0x8000  /* Validity status */
317 
318 #define AC97_ALC650_SURR_DAC_VOL	0x64
319 #define AC97_ALC650_LFE_DAC_VOL		0x66
320 #define AC97_ALC650_UNKNOWN1		0x68
321 #define AC97_ALC650_MULTICH		0x6a
322 #define AC97_ALC650_UNKNOWN2		0x6c
323 #define AC97_ALC650_REVISION		0x6e
324 #define AC97_ALC650_UNKNOWN3		0x70
325 #define AC97_ALC650_UNKNOWN4		0x72
326 #define AC97_ALC650_MISC		0x74
327 #define AC97_ALC650_GPIO_SETUP		0x76
328 #define AC97_ALC650_GPIO_STATUS		0x78
329 #define AC97_ALC650_CLOCK		0x7a
330 
331 /* specific - Yamaha YMF753 */
332 #define AC97_YMF753_DIT_CTRL2	0x66	/* DIT Control 2 */
333 #define AC97_YMF753_3D_MODE_SEL	0x68	/* 3D Mode Select */
334 
335 /* specific - C-Media */
336 #define AC97_CM9738_VENDOR_CTRL	0x5a
337 #define AC97_CM9739_MULTI_CHAN	0x64
338 #define AC97_CM9739_SPDIF_IN_STATUS	0x68 /* 32bit */
339 #define AC97_CM9739_SPDIF_CTRL	0x6c
340 
341 /* specific - wolfson */
342 #define AC97_WM97XX_FMIXER_VOL  0x72
343 #define AC97_WM9704_RMIXER_VOL  0x74
344 #define AC97_WM9704_TEST        0x5a
345 #define AC97_WM9704_RPCM_VOL    0x70
346 #define AC97_WM9711_OUT3VOL     0x16
347 
348 
349 /* ac97->scaps */
350 #define AC97_SCAP_AUDIO		(1<<0)	/* audio codec 97 */
351 #define AC97_SCAP_MODEM		(1<<1)	/* modem codec 97 */
352 #define AC97_SCAP_SURROUND_DAC	(1<<2)	/* surround L&R DACs are present */
353 #define AC97_SCAP_CENTER_LFE_DAC (1<<3)	/* center and LFE DACs are present */
354 #define AC97_SCAP_SKIP_AUDIO	(1<<4)	/* skip audio part of codec */
355 #define AC97_SCAP_SKIP_MODEM	(1<<5)	/* skip modem part of codec */
356 #define AC97_SCAP_INDEP_SDIN	(1<<6)	/* independent SDIN */
357 #define AC97_SCAP_INV_EAPD	(1<<7)	/* inverted EAPD */
358 #define AC97_SCAP_DETECT_BY_VENDOR (1<<8) /* use vendor registers for read tests */
359 #define AC97_SCAP_NO_SPDIF	(1<<9)	/* don't build SPDIF controls */
360 
361 /* ac97->flags */
362 #define AC97_HAS_PC_BEEP	(1<<0)	/* force PC Speaker usage */
363 #define AC97_AD_MULTI		(1<<1)	/* Analog Devices - multi codecs */
364 #define AC97_CS_SPDIF		(1<<2)	/* Cirrus Logic uses funky SPDIF */
365 #define AC97_CX_SPDIF		(1<<3)	/* Conexant's spdif interface */
366 #define AC97_STEREO_MUTES	(1<<4)	/* has stereo mute bits */
367 #define AC97_DOUBLE_RATE	(1<<5)	/* supports double rate playback */
368 #define AC97_HAS_NO_MASTER_VOL	(1<<6)	/* no Master volume */
369 #define AC97_HAS_NO_PCM_VOL	(1<<7)	/* no PCM volume */
370 #define AC97_DEFAULT_POWER_OFF	(1<<8)	/* no RESET write */
371 #define AC97_MODEM_PATCH	(1<<9)	/* modem patch */
372 #define AC97_HAS_NO_REC_GAIN	(1<<10) /* no Record gain */
373 #define AC97_HAS_NO_PHONE	(1<<11) /* no PHONE volume */
374 #define AC97_HAS_NO_PC_BEEP	(1<<12) /* no PC Beep volume */
375 #define AC97_HAS_NO_VIDEO	(1<<13) /* no Video volume */
376 #define AC97_HAS_NO_CD		(1<<14) /* no CD volume */
377 
378 /* rates indexes */
379 #define AC97_RATES_FRONT_DAC	0
380 #define AC97_RATES_SURR_DAC	1
381 #define AC97_RATES_LFE_DAC	2
382 #define AC97_RATES_ADC		3
383 #define AC97_RATES_MIC_ADC	4
384 #define AC97_RATES_SPDIF	5
385 
386 /* shared controllers */
387 enum {
388 	AC97_SHARED_TYPE_NONE,
389 	AC97_SHARED_TYPE_ICH,
390 	AC97_SHARED_TYPE_ATIIXP,
391 	AC97_SHARED_TYPE_VIA,
392 	AC97_SHARED_TYPES
393 };
394 
395 /*
396  *
397  */
398 
399 typedef struct _snd_ac97_bus ac97_bus_t;
400 typedef struct _snd_ac97_bus_ops ac97_bus_ops_t;
401 typedef struct _snd_ac97_template ac97_template_t;
402 typedef struct _snd_ac97 ac97_t;
403 
404 enum ac97_pcm_cfg {
405 	AC97_PCM_CFG_FRONT = 2,
406 	AC97_PCM_CFG_REAR = 10,		/* alias surround */
407 	AC97_PCM_CFG_LFE = 11,		/* center + lfe */
408 	AC97_PCM_CFG_40 = 4,		/* front + rear */
409 	AC97_PCM_CFG_51 = 6,		/* front + rear + center/lfe */
410 	AC97_PCM_CFG_SPDIF = 20
411 };
412 
413 /* PCM allocation */
414 struct ac97_pcm {
415 	ac97_bus_t *bus;
416 	unsigned int stream: 1,	   	   /* stream type: 1 = capture */
417 		     exclusive: 1,	   /* exclusive mode, don't override with other pcms */
418 		     copy_flag: 1,	   /* lowlevel driver must fill all entries */
419 		     spdif: 1;		   /* spdif pcm */
420 	unsigned short aslots;		   /* active slots */
421 	unsigned int rates;		   /* available rates */
422 	struct {
423 		unsigned short slots;	   /* driver input: requested AC97 slot numbers */
424 		unsigned short rslots[4];  /* allocated slots per codecs */
425 		unsigned char rate_table[4];
426 		ac97_t *codec[4];	   /* allocated codecs */
427 	} r[2];				   /* 0 = standard rates, 1 = double rates */
428 	unsigned long private_value;	   /* used by the hardware driver */
429 };
430 
431 struct snd_ac97_build_ops {
432 	int (*build_3d) (ac97_t *ac97);
433 	int (*build_specific) (ac97_t *ac97);
434 	int (*build_spdif) (ac97_t *ac97);
435 	int (*build_post_spdif) (ac97_t *ac97);
436 #ifdef CONFIG_PM
437 	void (*suspend) (ac97_t *ac97);
438 	void (*resume) (ac97_t *ac97);
439 #endif
440 	void (*update_jacks) (ac97_t *ac97);	/* for jack-sharing */
441 };
442 
443 struct _snd_ac97_bus_ops {
444 	void (*reset) (ac97_t *ac97);
445 	void (*write) (ac97_t *ac97, unsigned short reg, unsigned short val);
446 	unsigned short (*read) (ac97_t *ac97, unsigned short reg);
447 	void (*wait) (ac97_t *ac97);
448 	void (*init) (ac97_t *ac97);
449 };
450 
451 struct _snd_ac97_bus {
452 	/* -- lowlevel (hardware) driver specific -- */
453 	ac97_bus_ops_t *ops;
454 	void *private_data;
455 	void (*private_free) (ac97_bus_t *bus);
456 	/* --- */
457 	snd_card_t *card;
458 	unsigned short num;	/* bus number */
459 	unsigned short no_vra: 1, /* bridge doesn't support VRA */
460 		       dra: 1,	/* bridge supports double rate */
461 		       isdin: 1;/* independent SDIN */
462 	unsigned int clock;	/* AC'97 base clock (usually 48000Hz) */
463 	spinlock_t bus_lock;	/* used mainly for slot allocation */
464 	unsigned short used_slots[2][4]; /* actually used PCM slots */
465 	unsigned short pcms_count; /* count of PCMs */
466 	struct ac97_pcm *pcms;
467 	unsigned int shared_type;	/* type of shared controller betwen audio and modem */
468 	ac97_t *codec[4];
469 	snd_info_entry_t *proc;
470 };
471 
472 struct _snd_ac97_template {
473 	void *private_data;
474 	void (*private_free) (ac97_t *ac97);
475 	struct pci_dev *pci;	/* assigned PCI device - used for quirks */
476 	unsigned short num;	/* number of codec: 0 = primary, 1 = secondary */
477 	unsigned short addr;	/* physical address of codec [0-3] */
478 	unsigned int scaps;	/* driver capabilities */
479 	unsigned int limited_regs; /* allow limited registers only */
480 	DECLARE_BITMAP(reg_accessed, 0x80); /* bit flags */
481 };
482 
483 struct _snd_ac97 {
484 	/* -- lowlevel (hardware) driver specific -- */
485 	struct snd_ac97_build_ops * build_ops;
486 	void *private_data;
487 	void (*private_free) (ac97_t *ac97);
488 	/* --- */
489 	ac97_bus_t *bus;
490 	struct pci_dev *pci;	/* assigned PCI device - used for quirks */
491 	snd_info_entry_t *proc;
492 	snd_info_entry_t *proc_regs;
493 	unsigned short subsystem_vendor;
494 	unsigned short subsystem_device;
495 	struct semaphore reg_mutex;
496 	struct semaphore page_mutex;	/* mutex for AD18xx multi-codecs and paging (2.3) */
497 	unsigned short num;	/* number of codec: 0 = primary, 1 = secondary */
498 	unsigned short addr;	/* physical address of codec [0-3] */
499 	unsigned int id;	/* identification of codec */
500 	unsigned short caps;	/* capabilities (register 0) */
501 	unsigned short ext_id;	/* extended feature identification (register 28) */
502 	unsigned short ext_mid;	/* extended modem ID (register 3C) */
503 	unsigned int scaps;	/* driver capabilities */
504 	unsigned int flags;	/* specific code */
505 	unsigned int rates[6];	/* see AC97_RATES_* defines */
506 	unsigned int spdif_status;
507 	unsigned short regs[0x80]; /* register cache */
508 	unsigned int limited_regs; /* allow limited registers only */
509 	DECLARE_BITMAP(reg_accessed, 0x80); /* bit flags */
510 	union {			/* vendor specific code */
511 		struct {
512 			unsigned short unchained[3];	// 0 = C34, 1 = C79, 2 = C69
513 			unsigned short chained[3];	// 0 = C34, 1 = C79, 2 = C69
514 			unsigned short id[3];		// codec IDs (lower 16-bit word)
515 			unsigned short pcmreg[3];	// PCM registers
516 			unsigned short codec_cfg[3];	// CODEC_CFG bits
517 		} ad18xx;
518 		unsigned int dev_flags;		/* device specific */
519 	} spec;
520 	/* jack-sharing info */
521 	unsigned char indep_surround;
522 	unsigned char channel_mode;
523 };
524 
525 /* conditions */
526 static inline int ac97_is_audio(ac97_t * ac97)
527 {
528 	return (ac97->scaps & AC97_SCAP_AUDIO);
529 }
530 static inline int ac97_is_modem(ac97_t * ac97)
531 {
532 	return (ac97->scaps & AC97_SCAP_MODEM);
533 }
534 static inline int ac97_is_rev22(ac97_t * ac97)
535 {
536 	return (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_22;
537 }
538 static inline int ac97_can_amap(ac97_t * ac97)
539 {
540 	return (ac97->ext_id & AC97_EI_AMAP) != 0;
541 }
542 static inline int ac97_can_spdif(ac97_t * ac97)
543 {
544 	return (ac97->ext_id & AC97_EI_SPDIF) != 0;
545 }
546 
547 /* functions */
548 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops, void *private_data, ac97_bus_t **rbus); /* create new AC97 bus */
549 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97);	/* create mixer controls */
550 const char *snd_ac97_get_short_name(ac97_t *ac97);
551 
552 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value);
553 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg);
554 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value);
555 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value);
556 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value);
557 #ifdef CONFIG_PM
558 void snd_ac97_suspend(ac97_t *ac97);
559 void snd_ac97_resume(ac97_t *ac97);
560 #endif
561 
562 /* quirk types */
563 enum {
564 	AC97_TUNE_DEFAULT = -1,	/* use default from quirk list (not valid in list) */
565 	AC97_TUNE_NONE = 0,	/* nothing extra to do */
566 	AC97_TUNE_HP_ONLY,	/* headphone (true line-out) control as master only */
567 	AC97_TUNE_SWAP_HP,	/* swap headphone and master controls */
568 	AC97_TUNE_SWAP_SURROUND, /* swap master and surround controls */
569 	AC97_TUNE_AD_SHARING,	/* for AD1985, turn on OMS bit and use headphone */
570 	AC97_TUNE_ALC_JACK,	/* for Realtek, enable JACK detection */
571 	AC97_TUNE_INV_EAPD,	/* inverted EAPD implementation */
572 	AC97_TUNE_MUTE_LED,	/* EAPD bit works as mute LED */
573 };
574 
575 struct ac97_quirk {
576 	unsigned short vendor;	/* PCI vendor id */
577 	unsigned short device;	/* PCI device id */
578 	unsigned short mask;	/* device id bit mask, 0 = accept all */
579 	unsigned int codec_id;	/* codec id (if any), 0 = accept all */
580 	const char *name;	/* name shown as info */
581 	int type;		/* quirk type above */
582 };
583 
584 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *override);
585 int snd_ac97_set_rate(ac97_t *ac97, int reg, unsigned int rate);
586 
587 int snd_ac97_pcm_assign(ac97_bus_t *ac97,
588 			unsigned short pcms_count,
589 			const struct ac97_pcm *pcms);
590 int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate,
591 		      enum ac97_pcm_cfg cfg, unsigned short slots);
592 int snd_ac97_pcm_close(struct ac97_pcm *pcm);
593 int snd_ac97_pcm_double_rate_rules(snd_pcm_runtime_t *runtime);
594 
595 struct ac97_enum {
596 	unsigned char reg;
597 	unsigned char shift_l;
598 	unsigned char shift_r;
599 	unsigned short mask;
600 	const char **texts;
601 };
602 #endif /* __SOUND_AC97_CODEC_H */
603