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1da177e4 LT |
1 | /* |
2 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> | |
3 | * Universal interface for Audio Codec '97 | |
4 | * | |
5 | * For more details look to AC '97 component specification revision 2.2 | |
6 | * by Intel Corporation (http://developer.intel.com). | |
7 | * | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <sound/driver.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/pci.h> | |
30 | #include <linux/moduleparam.h> | |
62932df8 | 31 | #include <linux/mutex.h> |
1da177e4 LT |
32 | #include <sound/core.h> |
33 | #include <sound/pcm.h> | |
2f3482fb | 34 | #include <sound/tlv.h> |
1da177e4 LT |
35 | #include <sound/ac97_codec.h> |
36 | #include <sound/asoundef.h> | |
37 | #include <sound/initval.h> | |
38 | #include "ac97_local.h" | |
39 | #include "ac97_id.h" | |
40 | #include "ac97_patch.h" | |
41 | ||
42 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); | |
43 | MODULE_DESCRIPTION("Universal interface for Audio Codec '97"); | |
44 | MODULE_LICENSE("GPL"); | |
45 | ||
46 | static int enable_loopback; | |
47 | ||
48 | module_param(enable_loopback, bool, 0444); | |
49 | MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control"); | |
50 | ||
6dbe6628 TI |
51 | #ifdef CONFIG_SND_AC97_POWER_SAVE |
52 | static int power_save; | |
53 | module_param(power_save, bool, 0644); | |
54 | MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control"); | |
55 | #endif | |
1da177e4 LT |
56 | /* |
57 | ||
58 | */ | |
59 | ||
ee42381e | 60 | struct ac97_codec_id { |
1da177e4 LT |
61 | unsigned int id; |
62 | unsigned int mask; | |
63 | const char *name; | |
ee42381e TI |
64 | int (*patch)(struct snd_ac97 *ac97); |
65 | int (*mpatch)(struct snd_ac97 *ac97); | |
1da177e4 | 66 | unsigned int flags; |
ee42381e | 67 | }; |
1da177e4 | 68 | |
ee42381e | 69 | static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { |
1da177e4 LT |
70 | { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, |
71 | { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, | |
72 | { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, | |
73 | { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, | |
74 | { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, | |
75 | { 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL }, | |
76 | { 0x43585400, 0xffffff00, "Conexant", NULL, NULL }, | |
77 | { 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL }, | |
78 | { 0x454d4300, 0xffffff00, "eMicro", NULL, NULL }, | |
79 | { 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL }, | |
80 | { 0x48525300, 0xffffff00, "Intersil", NULL, NULL }, | |
81 | { 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL }, | |
82 | { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL }, | |
83 | { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL }, | |
84 | { 0x50534300, 0xffffff00, "Philips", NULL, NULL }, | |
85 | { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL }, | |
86 | { 0x54524100, 0xffffff00, "TriTech", NULL, NULL }, | |
87 | { 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL }, | |
88 | { 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL }, | |
89 | { 0x57454300, 0xffffff00, "Winbond", NULL, NULL }, | |
90 | { 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL }, | |
91 | { 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL }, | |
92 | { 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL }, | |
93 | { 0, 0, NULL, NULL, NULL } | |
94 | }; | |
95 | ||
ee42381e | 96 | static const struct ac97_codec_id snd_ac97_codec_ids[] = { |
1da177e4 LT |
97 | { 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, |
98 | { 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, | |
99 | { 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, | |
100 | { 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, | |
101 | { 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, | |
102 | { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, | |
103 | { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, | |
104 | { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, | |
105 | { 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL }, | |
106 | { 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL }, | |
107 | { 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL }, | |
108 | { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL }, | |
109 | { 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL }, | |
110 | { 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL }, | |
111 | { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL }, | |
112 | { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, | |
113 | { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, | |
114 | { 0x41445378, 0xffffffff, "AD1986", patch_ad1985, NULL }, | |
115 | { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, | |
116 | { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, | |
117 | { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ | |
118 | { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ | |
119 | { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ | |
120 | { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, | |
121 | { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, | |
a5022b0d | 122 | { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ |
1da177e4 LT |
123 | { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, |
124 | { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, | |
125 | { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, | |
126 | { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, | |
127 | { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, | |
128 | { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, | |
129 | { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, | |
130 | { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, | |
5f0dccf8 | 131 | { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, |
f8cb2c45 JCD |
132 | { 0x434d4978, 0xffffffff, "CMI9761A", patch_cm9761, NULL }, |
133 | { 0x434d4982, 0xffffffff, "CMI9761B", patch_cm9761, NULL }, | |
134 | { 0x434d4983, 0xffffffff, "CMI9761A+", patch_cm9761, NULL }, | |
1da177e4 LT |
135 | { 0x43525900, 0xfffffff8, "CS4297", NULL, NULL }, |
136 | { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL }, | |
137 | { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif, NULL }, | |
138 | { 0x43525928, 0xfffffff8, "CS4294", NULL, NULL }, | |
139 | { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL }, | |
140 | { 0x43525948, 0xfffffff8, "CS4201", NULL, NULL }, | |
141 | { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL }, | |
142 | { 0x43525960, 0xfffffff8, "CS4291", NULL, NULL }, | |
143 | { 0x43525970, 0xfffffff8, "CS4202", NULL, NULL }, | |
144 | { 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II | |
145 | { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different | |
146 | { 0x44543031, 0xfffffff0, "DT0398", NULL, NULL }, | |
9398441e | 147 | { 0x454d4328, 0xffffffff, "EM28028", NULL, NULL }, // same as TR28028? |
1da177e4 LT |
148 | { 0x45838308, 0xffffffff, "ESS1988", NULL, NULL }, |
149 | { 0x48525300, 0xffffff00, "HMP9701", NULL, NULL }, | |
150 | { 0x49434501, 0xffffffff, "ICE1230", NULL, NULL }, | |
151 | { 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A? | |
152 | { 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL }, | |
153 | { 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL }, | |
154 | { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated) | |
155 | { 0x49544520, 0xffffffff, "IT2226E", NULL, NULL }, | |
156 | { 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL }, | |
157 | { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL, NULL }, // only guess --jk | |
158 | { 0x4e534331, 0xffffffff, "LM4549", NULL, NULL }, | |
ba22429d | 159 | { 0x4e534350, 0xffffffff, "LM4550", patch_lm4550, NULL }, // volume wrap fix |
82466ad7 | 160 | { 0x50534304, 0xffffffff, "UCB1400", patch_ucb1400, NULL }, |
87d61c29 | 161 | { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH }, |
1da177e4 LT |
162 | { 0x54524102, 0xffffffff, "TR28022", NULL, NULL }, |
163 | { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, | |
164 | { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] | |
165 | { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] | |
166 | { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, | |
167 | { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF | |
4b499486 | 168 | { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF |
73864fc6 | 169 | { 0x56494182, 0xffffffff, "VIA1618", NULL, NULL }, |
1da177e4 LT |
170 | { 0x57454301, 0xffffffff, "W83971D", NULL, NULL }, |
171 | { 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL }, | |
172 | { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL}, | |
173 | { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04, NULL}, | |
174 | { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05, NULL}, | |
175 | { 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL}, | |
176 | { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11, NULL}, | |
177 | { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF}, | |
178 | { 0x594d4800, 0xffffffff, "YMF743", NULL, NULL }, | |
179 | { 0x594d4802, 0xffffffff, "YMF752", NULL, NULL }, | |
180 | { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL }, | |
181 | { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700, NULL }, | |
182 | { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL, NULL }, | |
183 | { 0x83847605, 0xffffffff, "STAC9704", NULL, NULL }, | |
184 | { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708, NULL }, | |
185 | { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721, NULL }, | |
186 | { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL }, | |
187 | { 0x83847650, 0xffffffff, "STAC9750,51", NULL, NULL }, // patch? | |
188 | { 0x83847652, 0xffffffff, "STAC9752,53", NULL, NULL }, // patch? | |
189 | { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756, NULL }, | |
190 | { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758, NULL }, | |
191 | { 0x83847666, 0xffffffff, "STAC9766,67", NULL, NULL }, // patch? | |
192 | { 0, 0, NULL, NULL, NULL } | |
193 | }; | |
194 | ||
1da177e4 | 195 | |
6dbe6628 TI |
196 | static void update_power_regs(struct snd_ac97 *ac97); |
197 | ||
1da177e4 LT |
198 | /* |
199 | * I/O routines | |
200 | */ | |
201 | ||
ee42381e | 202 | static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg) |
1da177e4 | 203 | { |
1da177e4 LT |
204 | /* filter some registers for buggy codecs */ |
205 | switch (ac97->id) { | |
206 | case AC97_ID_AK4540: | |
207 | case AC97_ID_AK4542: | |
208 | if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c) | |
209 | return 1; | |
210 | return 0; | |
211 | case AC97_ID_AD1819: /* AD1819 */ | |
212 | case AC97_ID_AD1881: /* AD1881 */ | |
213 | case AC97_ID_AD1881A: /* AD1881A */ | |
214 | if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */ | |
215 | return 0; | |
216 | return 1; | |
217 | case AC97_ID_AD1885: /* AD1885 */ | |
218 | case AC97_ID_AD1886: /* AD1886 */ | |
219 | case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */ | |
220 | case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */ | |
221 | if (reg == 0x5a) | |
222 | return 1; | |
223 | if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */ | |
224 | return 0; | |
225 | return 1; | |
226 | case AC97_ID_STAC9700: | |
227 | case AC97_ID_STAC9704: | |
228 | case AC97_ID_STAC9705: | |
229 | case AC97_ID_STAC9708: | |
230 | case AC97_ID_STAC9721: | |
231 | case AC97_ID_STAC9744: | |
232 | case AC97_ID_STAC9756: | |
233 | if (reg <= 0x3a || reg >= 0x5a) | |
234 | return 1; | |
235 | return 0; | |
236 | } | |
237 | return 1; | |
238 | } | |
239 | ||
240 | /** | |
241 | * snd_ac97_write - write a value on the given register | |
242 | * @ac97: the ac97 instance | |
243 | * @reg: the register to change | |
244 | * @value: the value to set | |
245 | * | |
246 | * Writes a value on the given register. This will invoke the write | |
247 | * callback directly after the register check. | |
248 | * This function doesn't change the register cache unlike | |
249 | * #snd_ca97_write_cache(), so use this only when you don't want to | |
250 | * reflect the change to the suspend/resume state. | |
251 | */ | |
ee42381e | 252 | void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) |
1da177e4 LT |
253 | { |
254 | if (!snd_ac97_valid_reg(ac97, reg)) | |
255 | return; | |
256 | if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) { | |
257 | /* Fix H/W bug of ALC100/100P */ | |
258 | if (reg == AC97_MASTER || reg == AC97_HEADPHONE) | |
259 | ac97->bus->ops->write(ac97, AC97_RESET, 0); /* reset audio codec */ | |
260 | } | |
261 | ac97->bus->ops->write(ac97, reg, value); | |
262 | } | |
263 | ||
7b09679c TI |
264 | EXPORT_SYMBOL(snd_ac97_write); |
265 | ||
1da177e4 LT |
266 | /** |
267 | * snd_ac97_read - read a value from the given register | |
268 | * | |
269 | * @ac97: the ac97 instance | |
270 | * @reg: the register to read | |
271 | * | |
272 | * Reads a value from the given register. This will invoke the read | |
273 | * callback directly after the register check. | |
274 | * | |
275 | * Returns the read value. | |
276 | */ | |
ee42381e | 277 | unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg) |
1da177e4 LT |
278 | { |
279 | if (!snd_ac97_valid_reg(ac97, reg)) | |
280 | return 0; | |
281 | return ac97->bus->ops->read(ac97, reg); | |
282 | } | |
283 | ||
284 | /* read a register - return the cached value if already read */ | |
ee42381e | 285 | static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg) |
1da177e4 LT |
286 | { |
287 | if (! test_bit(reg, ac97->reg_accessed)) { | |
288 | ac97->regs[reg] = ac97->bus->ops->read(ac97, reg); | |
289 | // set_bit(reg, ac97->reg_accessed); | |
290 | } | |
291 | return ac97->regs[reg]; | |
292 | } | |
293 | ||
7b09679c TI |
294 | EXPORT_SYMBOL(snd_ac97_read); |
295 | ||
1da177e4 LT |
296 | /** |
297 | * snd_ac97_write_cache - write a value on the given register and update the cache | |
298 | * @ac97: the ac97 instance | |
299 | * @reg: the register to change | |
300 | * @value: the value to set | |
301 | * | |
302 | * Writes a value on the given register and updates the register | |
303 | * cache. The cached values are used for the cached-read and the | |
304 | * suspend/resume. | |
305 | */ | |
ee42381e | 306 | void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) |
1da177e4 LT |
307 | { |
308 | if (!snd_ac97_valid_reg(ac97, reg)) | |
309 | return; | |
62932df8 | 310 | mutex_lock(&ac97->reg_mutex); |
1da177e4 LT |
311 | ac97->regs[reg] = value; |
312 | ac97->bus->ops->write(ac97, reg, value); | |
313 | set_bit(reg, ac97->reg_accessed); | |
62932df8 | 314 | mutex_unlock(&ac97->reg_mutex); |
1da177e4 LT |
315 | } |
316 | ||
7b09679c TI |
317 | EXPORT_SYMBOL(snd_ac97_write_cache); |
318 | ||
1da177e4 LT |
319 | /** |
320 | * snd_ac97_update - update the value on the given register | |
321 | * @ac97: the ac97 instance | |
322 | * @reg: the register to change | |
323 | * @value: the value to set | |
324 | * | |
325 | * Compares the value with the register cache and updates the value | |
326 | * only when the value is changed. | |
327 | * | |
328 | * Returns 1 if the value is changed, 0 if no change, or a negative | |
329 | * code on failure. | |
330 | */ | |
ee42381e | 331 | int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value) |
1da177e4 LT |
332 | { |
333 | int change; | |
334 | ||
335 | if (!snd_ac97_valid_reg(ac97, reg)) | |
336 | return -EINVAL; | |
62932df8 | 337 | mutex_lock(&ac97->reg_mutex); |
1da177e4 LT |
338 | change = ac97->regs[reg] != value; |
339 | if (change) { | |
340 | ac97->regs[reg] = value; | |
341 | ac97->bus->ops->write(ac97, reg, value); | |
342 | } | |
52b72388 | 343 | set_bit(reg, ac97->reg_accessed); |
62932df8 | 344 | mutex_unlock(&ac97->reg_mutex); |
1da177e4 LT |
345 | return change; |
346 | } | |
347 | ||
7b09679c TI |
348 | EXPORT_SYMBOL(snd_ac97_update); |
349 | ||
1da177e4 LT |
350 | /** |
351 | * snd_ac97_update_bits - update the bits on the given register | |
352 | * @ac97: the ac97 instance | |
353 | * @reg: the register to change | |
354 | * @mask: the bit-mask to change | |
355 | * @value: the value to set | |
356 | * | |
357 | * Updates the masked-bits on the given register only when the value | |
358 | * is changed. | |
359 | * | |
360 | * Returns 1 if the bits are changed, 0 if no change, or a negative | |
361 | * code on failure. | |
362 | */ | |
ee42381e | 363 | int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value) |
1da177e4 LT |
364 | { |
365 | int change; | |
366 | ||
367 | if (!snd_ac97_valid_reg(ac97, reg)) | |
368 | return -EINVAL; | |
62932df8 | 369 | mutex_lock(&ac97->reg_mutex); |
1da177e4 | 370 | change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); |
62932df8 | 371 | mutex_unlock(&ac97->reg_mutex); |
1da177e4 LT |
372 | return change; |
373 | } | |
374 | ||
7b09679c TI |
375 | EXPORT_SYMBOL(snd_ac97_update_bits); |
376 | ||
1da177e4 | 377 | /* no lock version - see snd_ac97_updat_bits() */ |
ee42381e | 378 | int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg, |
1da177e4 LT |
379 | unsigned short mask, unsigned short value) |
380 | { | |
381 | int change; | |
382 | unsigned short old, new; | |
383 | ||
384 | old = snd_ac97_read_cache(ac97, reg); | |
e8bb036a | 385 | new = (old & ~mask) | (value & mask); |
1da177e4 LT |
386 | change = old != new; |
387 | if (change) { | |
388 | ac97->regs[reg] = new; | |
389 | ac97->bus->ops->write(ac97, reg, new); | |
390 | } | |
52b72388 | 391 | set_bit(reg, ac97->reg_accessed); |
1da177e4 LT |
392 | return change; |
393 | } | |
394 | ||
ee42381e | 395 | static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value) |
1da177e4 LT |
396 | { |
397 | int change; | |
398 | unsigned short old, new, cfg; | |
399 | ||
62932df8 | 400 | mutex_lock(&ac97->page_mutex); |
1da177e4 | 401 | old = ac97->spec.ad18xx.pcmreg[codec]; |
e8bb036a | 402 | new = (old & ~mask) | (value & mask); |
1da177e4 LT |
403 | change = old != new; |
404 | if (change) { | |
62932df8 | 405 | mutex_lock(&ac97->reg_mutex); |
1da177e4 LT |
406 | cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG); |
407 | ac97->spec.ad18xx.pcmreg[codec] = new; | |
408 | /* select single codec */ | |
409 | ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, | |
410 | (cfg & ~0x7000) | | |
411 | ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]); | |
412 | /* update PCM bits */ | |
413 | ac97->bus->ops->write(ac97, AC97_PCM, new); | |
414 | /* select all codecs */ | |
415 | ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG, | |
416 | cfg | 0x7000); | |
62932df8 | 417 | mutex_unlock(&ac97->reg_mutex); |
1da177e4 | 418 | } |
62932df8 | 419 | mutex_unlock(&ac97->page_mutex); |
1da177e4 LT |
420 | return change; |
421 | } | |
422 | ||
423 | /* | |
424 | * Controls | |
425 | */ | |
426 | ||
ee42381e | 427 | int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
428 | { |
429 | struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; | |
430 | ||
431 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
432 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
433 | uinfo->value.enumerated.items = e->mask; | |
434 | ||
435 | if (uinfo->value.enumerated.item > e->mask - 1) | |
436 | uinfo->value.enumerated.item = e->mask - 1; | |
437 | strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); | |
438 | return 0; | |
439 | } | |
440 | ||
ee42381e | 441 | int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 442 | { |
ee42381e | 443 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 | 444 | struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; |
5f0dccf8 | 445 | unsigned short val, bitmask; |
1da177e4 | 446 | |
b16760bb | 447 | for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) |
5f0dccf8 | 448 | ; |
1da177e4 | 449 | val = snd_ac97_read_cache(ac97, e->reg); |
5f0dccf8 | 450 | ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); |
1da177e4 | 451 | if (e->shift_l != e->shift_r) |
5f0dccf8 | 452 | ucontrol->value.enumerated.item[1] = (val >> e->shift_r) & (bitmask - 1); |
1da177e4 LT |
453 | |
454 | return 0; | |
455 | } | |
456 | ||
ee42381e | 457 | int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 458 | { |
ee42381e | 459 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
460 | struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; |
461 | unsigned short val; | |
5f0dccf8 | 462 | unsigned short mask, bitmask; |
1da177e4 | 463 | |
b16760bb | 464 | for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) |
5f0dccf8 | 465 | ; |
1da177e4 LT |
466 | if (ucontrol->value.enumerated.item[0] > e->mask - 1) |
467 | return -EINVAL; | |
468 | val = ucontrol->value.enumerated.item[0] << e->shift_l; | |
5f0dccf8 | 469 | mask = (bitmask - 1) << e->shift_l; |
1da177e4 LT |
470 | if (e->shift_l != e->shift_r) { |
471 | if (ucontrol->value.enumerated.item[1] > e->mask - 1) | |
472 | return -EINVAL; | |
473 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; | |
5f0dccf8 | 474 | mask |= (bitmask - 1) << e->shift_r; |
1da177e4 LT |
475 | } |
476 | return snd_ac97_update_bits(ac97, e->reg, mask, val); | |
477 | } | |
478 | ||
479 | /* save/restore ac97 v2.3 paging */ | |
ee42381e | 480 | static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol) |
1da177e4 LT |
481 | { |
482 | int page_save = -1; | |
483 | if ((kcontrol->private_value & (1<<25)) && | |
484 | (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 && | |
485 | (reg >= 0x60 && reg < 0x70)) { | |
486 | unsigned short page = (kcontrol->private_value >> 26) & 0x0f; | |
62932df8 | 487 | mutex_lock(&ac97->page_mutex); /* lock paging */ |
1da177e4 LT |
488 | page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK; |
489 | snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page); | |
490 | } | |
491 | return page_save; | |
492 | } | |
493 | ||
ee42381e | 494 | static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save) |
1da177e4 LT |
495 | { |
496 | if (page_save >= 0) { | |
497 | snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save); | |
62932df8 | 498 | mutex_unlock(&ac97->page_mutex); /* unlock paging */ |
1da177e4 LT |
499 | } |
500 | } | |
501 | ||
502 | /* volume and switch controls */ | |
ee42381e | 503 | int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
504 | { |
505 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
506 | int shift = (kcontrol->private_value >> 8) & 0x0f; | |
507 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
508 | ||
509 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; | |
510 | uinfo->count = shift == rshift ? 1 : 2; | |
511 | uinfo->value.integer.min = 0; | |
512 | uinfo->value.integer.max = mask; | |
513 | return 0; | |
514 | } | |
515 | ||
ee42381e | 516 | int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 517 | { |
ee42381e | 518 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
519 | int reg = kcontrol->private_value & 0xff; |
520 | int shift = (kcontrol->private_value >> 8) & 0x0f; | |
521 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
522 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
523 | int invert = (kcontrol->private_value >> 24) & 0x01; | |
524 | int page_save; | |
525 | ||
526 | page_save = snd_ac97_page_save(ac97, reg, kcontrol); | |
527 | ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask; | |
528 | if (shift != rshift) | |
529 | ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask; | |
530 | if (invert) { | |
531 | ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; | |
532 | if (shift != rshift) | |
533 | ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; | |
534 | } | |
535 | snd_ac97_page_restore(ac97, page_save); | |
536 | return 0; | |
537 | } | |
538 | ||
ee42381e | 539 | int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 540 | { |
ee42381e | 541 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
542 | int reg = kcontrol->private_value & 0xff; |
543 | int shift = (kcontrol->private_value >> 8) & 0x0f; | |
544 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
545 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
546 | int invert = (kcontrol->private_value >> 24) & 0x01; | |
547 | int err, page_save; | |
548 | unsigned short val, val2, val_mask; | |
549 | ||
550 | page_save = snd_ac97_page_save(ac97, reg, kcontrol); | |
551 | val = (ucontrol->value.integer.value[0] & mask); | |
552 | if (invert) | |
553 | val = mask - val; | |
554 | val_mask = mask << shift; | |
555 | val = val << shift; | |
556 | if (shift != rshift) { | |
557 | val2 = (ucontrol->value.integer.value[1] & mask); | |
558 | if (invert) | |
559 | val2 = mask - val2; | |
560 | val_mask |= mask << rshift; | |
561 | val |= val2 << rshift; | |
562 | } | |
563 | err = snd_ac97_update_bits(ac97, reg, val_mask, val); | |
564 | snd_ac97_page_restore(ac97, page_save); | |
6dbe6628 TI |
565 | #ifdef CONFIG_SND_AC97_POWER_SAVE |
566 | /* check analog mixer power-down */ | |
567 | if ((val_mask & 0x8000) && | |
568 | (kcontrol->private_value & (1<<30))) { | |
569 | if (val & 0x8000) | |
570 | ac97->power_up &= ~(1 << (reg>>1)); | |
571 | else | |
572 | ac97->power_up |= 1 << (reg>>1); | |
da43deb1 | 573 | update_power_regs(ac97); |
6dbe6628 TI |
574 | } |
575 | #endif | |
1da177e4 LT |
576 | return err; |
577 | } | |
578 | ||
ee42381e | 579 | static const struct snd_kcontrol_new snd_ac97_controls_master_mono[2] = { |
1da177e4 LT |
580 | AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), |
581 | AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1) | |
582 | }; | |
583 | ||
ee42381e | 584 | static const struct snd_kcontrol_new snd_ac97_controls_tone[2] = { |
1da177e4 LT |
585 | AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1), |
586 | AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1) | |
587 | }; | |
588 | ||
ee42381e | 589 | static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2] = { |
1da177e4 LT |
590 | AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1), |
591 | AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1) | |
592 | }; | |
593 | ||
ee42381e | 594 | static const struct snd_kcontrol_new snd_ac97_controls_mic_boost = |
7931e2a9 | 595 | AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0); |
1da177e4 LT |
596 | |
597 | ||
598 | static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"}; | |
599 | static const char* std_3d_path[] = {"pre 3D", "post 3D"}; | |
600 | static const char* std_mix[] = {"Mix", "Mic"}; | |
601 | static const char* std_mic[] = {"Mic1", "Mic2"}; | |
602 | ||
603 | static const struct ac97_enum std_enum[] = { | |
604 | AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, std_rec_sel), | |
605 | AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, std_3d_path), | |
606 | AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, std_mix), | |
607 | AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, std_mic), | |
608 | }; | |
609 | ||
ee42381e | 610 | static const struct snd_kcontrol_new snd_ac97_control_capture_src = |
1da177e4 LT |
611 | AC97_ENUM("Capture Source", std_enum[0]); |
612 | ||
ee42381e | 613 | static const struct snd_kcontrol_new snd_ac97_control_capture_vol = |
1da177e4 LT |
614 | AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0); |
615 | ||
ee42381e | 616 | static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2] = { |
1da177e4 LT |
617 | AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1), |
618 | AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0) | |
619 | }; | |
620 | ||
ee42381e | 621 | enum { |
1da177e4 LT |
622 | AC97_GENERAL_PCM_OUT = 0, |
623 | AC97_GENERAL_STEREO_ENHANCEMENT, | |
624 | AC97_GENERAL_3D, | |
625 | AC97_GENERAL_LOUDNESS, | |
626 | AC97_GENERAL_MONO, | |
627 | AC97_GENERAL_MIC, | |
628 | AC97_GENERAL_LOOPBACK | |
ee42381e | 629 | }; |
1da177e4 | 630 | |
ee42381e | 631 | static const struct snd_kcontrol_new snd_ac97_controls_general[7] = { |
1da177e4 LT |
632 | AC97_ENUM("PCM Out Path & Mute", std_enum[1]), |
633 | AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0), | |
634 | AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), | |
635 | AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0), | |
636 | AC97_ENUM("Mono Output Select", std_enum[2]), | |
7931e2a9 | 637 | AC97_ENUM("Mic Select", std_enum[3]), |
1da177e4 LT |
638 | AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0) |
639 | }; | |
640 | ||
ee42381e | 641 | const struct snd_kcontrol_new snd_ac97_controls_3d[2] = { |
1da177e4 LT |
642 | AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0), |
643 | AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0) | |
644 | }; | |
645 | ||
ee42381e | 646 | static const struct snd_kcontrol_new snd_ac97_controls_center[2] = { |
1da177e4 LT |
647 | AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1), |
648 | AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1) | |
649 | }; | |
650 | ||
ee42381e | 651 | static const struct snd_kcontrol_new snd_ac97_controls_lfe[2] = { |
1da177e4 LT |
652 | AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1), |
653 | AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1) | |
654 | }; | |
655 | ||
ee42381e | 656 | static const struct snd_kcontrol_new snd_ac97_control_eapd = |
1da177e4 LT |
657 | AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1); |
658 | ||
ee42381e | 659 | static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2] = { |
87d61c29 SK |
660 | AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS, 0, 1, 0), |
661 | AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS, 2, 1, 0) | |
662 | }; | |
663 | ||
1da177e4 | 664 | /* change the existing EAPD control as inverted */ |
ee42381e | 665 | static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl) |
1da177e4 LT |
666 | { |
667 | kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15, 1, 0); | |
668 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1<<15), (1<<15)); /* EAPD up */ | |
669 | ac97->scaps |= AC97_SCAP_INV_EAPD; | |
670 | } | |
671 | ||
ee42381e | 672 | static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
673 | { |
674 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | |
675 | uinfo->count = 1; | |
676 | return 0; | |
677 | } | |
678 | ||
ee42381e | 679 | static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
680 | { |
681 | ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | | |
682 | IEC958_AES0_NONAUDIO | | |
683 | IEC958_AES0_CON_EMPHASIS_5015 | | |
684 | IEC958_AES0_CON_NOT_COPYRIGHT; | |
685 | ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | | |
686 | IEC958_AES1_CON_ORIGINAL; | |
687 | ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS; | |
688 | return 0; | |
689 | } | |
690 | ||
ee42381e | 691 | static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
692 | { |
693 | /* FIXME: AC'97 spec doesn't say which bits are used for what */ | |
694 | ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | | |
695 | IEC958_AES0_NONAUDIO | | |
696 | IEC958_AES0_PRO_FS | | |
697 | IEC958_AES0_PRO_EMPHASIS_5015; | |
698 | return 0; | |
699 | } | |
700 | ||
ee42381e | 701 | static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 702 | { |
ee42381e | 703 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 | 704 | |
62932df8 | 705 | mutex_lock(&ac97->reg_mutex); |
1da177e4 LT |
706 | ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff; |
707 | ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff; | |
708 | ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff; | |
709 | ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff; | |
62932df8 | 710 | mutex_unlock(&ac97->reg_mutex); |
1da177e4 LT |
711 | return 0; |
712 | } | |
713 | ||
ee42381e | 714 | static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 715 | { |
ee42381e | 716 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
717 | unsigned int new = 0; |
718 | unsigned short val = 0; | |
719 | int change; | |
720 | ||
721 | new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO); | |
722 | if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) { | |
723 | new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015); | |
724 | switch (new & IEC958_AES0_PRO_FS) { | |
725 | case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break; | |
726 | case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break; | |
727 | case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break; | |
728 | default: val |= 1<<12; break; | |
729 | } | |
730 | if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) | |
731 | val |= 1<<3; | |
732 | } else { | |
733 | new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT); | |
734 | new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8); | |
735 | new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24); | |
736 | if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) | |
737 | val |= 1<<3; | |
738 | if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT)) | |
739 | val |= 1<<2; | |
740 | val |= ((new >> 8) & 0xff) << 4; // category + original | |
741 | switch ((new >> 24) & 0xff) { | |
742 | case IEC958_AES3_CON_FS_44100: val |= 0<<12; break; | |
743 | case IEC958_AES3_CON_FS_48000: val |= 2<<12; break; | |
744 | case IEC958_AES3_CON_FS_32000: val |= 3<<12; break; | |
745 | default: val |= 1<<12; break; | |
746 | } | |
747 | } | |
748 | ||
62932df8 | 749 | mutex_lock(&ac97->reg_mutex); |
1da177e4 LT |
750 | change = ac97->spdif_status != new; |
751 | ac97->spdif_status = new; | |
752 | ||
753 | if (ac97->flags & AC97_CS_SPDIF) { | |
754 | int x = (val >> 12) & 0x03; | |
755 | switch (x) { | |
756 | case 0: x = 1; break; // 44.1 | |
757 | case 2: x = 0; break; // 48.0 | |
758 | default: x = 0; break; // illegal. | |
759 | } | |
760 | change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12))); | |
761 | } else if (ac97->flags & AC97_CX_SPDIF) { | |
762 | int v; | |
763 | v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT; | |
764 | v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM; | |
765 | change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC, | |
766 | AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT, | |
767 | v); | |
768 | } else { | |
769 | unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); | |
770 | snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ | |
771 | ||
772 | change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0x3fff, val); | |
773 | if (extst & AC97_EA_SPDIF) { | |
774 | snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ | |
775 | } | |
776 | } | |
62932df8 | 777 | mutex_unlock(&ac97->reg_mutex); |
1da177e4 LT |
778 | |
779 | return change; | |
780 | } | |
781 | ||
ee42381e | 782 | static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 783 | { |
ee42381e | 784 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
785 | int reg = kcontrol->private_value & 0xff; |
786 | int shift = (kcontrol->private_value >> 8) & 0xff; | |
787 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
788 | // int invert = (kcontrol->private_value >> 24) & 0xff; | |
789 | unsigned short value, old, new; | |
790 | int change; | |
791 | ||
792 | value = (ucontrol->value.integer.value[0] & mask); | |
793 | ||
62932df8 | 794 | mutex_lock(&ac97->reg_mutex); |
1da177e4 LT |
795 | mask <<= shift; |
796 | value <<= shift; | |
797 | old = snd_ac97_read_cache(ac97, reg); | |
798 | new = (old & ~mask) | value; | |
799 | change = old != new; | |
800 | ||
801 | if (change) { | |
802 | unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS); | |
803 | snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */ | |
804 | change = snd_ac97_update_bits_nolock(ac97, reg, mask, value); | |
805 | if (extst & AC97_EA_SPDIF) | |
806 | snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ | |
807 | } | |
62932df8 | 808 | mutex_unlock(&ac97->reg_mutex); |
1da177e4 LT |
809 | return change; |
810 | } | |
811 | ||
ee42381e | 812 | const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = { |
1da177e4 LT |
813 | { |
814 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
815 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
816 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), | |
817 | .info = snd_ac97_spdif_mask_info, | |
818 | .get = snd_ac97_spdif_cmask_get, | |
819 | }, | |
820 | { | |
821 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
822 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
823 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), | |
824 | .info = snd_ac97_spdif_mask_info, | |
825 | .get = snd_ac97_spdif_pmask_get, | |
826 | }, | |
827 | { | |
828 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
829 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), | |
830 | .info = snd_ac97_spdif_mask_info, | |
831 | .get = snd_ac97_spdif_default_get, | |
832 | .put = snd_ac97_spdif_default_put, | |
833 | }, | |
834 | ||
835 | AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0), | |
836 | { | |
837 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
838 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", | |
839 | .info = snd_ac97_info_volsw, | |
840 | .get = snd_ac97_get_volsw, | |
841 | .put = snd_ac97_put_spsa, | |
842 | .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0) | |
843 | }, | |
844 | }; | |
845 | ||
846 | #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \ | |
847 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \ | |
848 | .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \ | |
849 | .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) } | |
850 | ||
ee42381e | 851 | static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 852 | { |
ee42381e | 853 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
854 | int mask = (kcontrol->private_value >> 16) & 0x0f; |
855 | int lshift = (kcontrol->private_value >> 8) & 0x0f; | |
856 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
857 | ||
858 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; | |
859 | if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) | |
860 | uinfo->count = 2; | |
861 | else | |
862 | uinfo->count = 1; | |
863 | uinfo->value.integer.min = 0; | |
864 | uinfo->value.integer.max = mask; | |
865 | return 0; | |
866 | } | |
867 | ||
ee42381e | 868 | static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 869 | { |
ee42381e | 870 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
871 | int codec = kcontrol->private_value & 3; |
872 | int lshift = (kcontrol->private_value >> 8) & 0x0f; | |
873 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
874 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
875 | ||
876 | ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask); | |
877 | if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) | |
878 | ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask); | |
879 | return 0; | |
880 | } | |
881 | ||
ee42381e | 882 | static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 883 | { |
ee42381e | 884 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
885 | int codec = kcontrol->private_value & 3; |
886 | int lshift = (kcontrol->private_value >> 8) & 0x0f; | |
887 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
888 | int mask = (kcontrol->private_value >> 16) & 0xff; | |
889 | unsigned short val, valmask; | |
890 | ||
891 | val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift; | |
892 | valmask = mask << lshift; | |
893 | if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) { | |
894 | val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift; | |
895 | valmask |= mask << rshift; | |
896 | } | |
897 | return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val); | |
898 | } | |
899 | ||
900 | #define AD18XX_PCM_VOLUME(xname, codec) \ | |
901 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \ | |
902 | .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \ | |
903 | .private_value = codec } | |
904 | ||
ee42381e | 905 | static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
906 | { |
907 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
908 | uinfo->count = 2; | |
909 | uinfo->value.integer.min = 0; | |
910 | uinfo->value.integer.max = 31; | |
911 | return 0; | |
912 | } | |
913 | ||
ee42381e | 914 | static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 915 | { |
ee42381e | 916 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
917 | int codec = kcontrol->private_value & 3; |
918 | ||
62932df8 | 919 | mutex_lock(&ac97->page_mutex); |
1da177e4 LT |
920 | ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31); |
921 | ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31); | |
62932df8 | 922 | mutex_unlock(&ac97->page_mutex); |
1da177e4 LT |
923 | return 0; |
924 | } | |
925 | ||
ee42381e | 926 | static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 927 | { |
ee42381e | 928 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
929 | int codec = kcontrol->private_value & 3; |
930 | unsigned short val1, val2; | |
931 | ||
932 | val1 = 31 - (ucontrol->value.integer.value[0] & 31); | |
933 | val2 = 31 - (ucontrol->value.integer.value[1] & 31); | |
934 | return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2); | |
935 | } | |
936 | ||
ee42381e | 937 | static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2] = { |
1da177e4 LT |
938 | AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1), |
939 | AD18XX_PCM_VOLUME("PCM Playback Volume", 0) | |
940 | }; | |
941 | ||
ee42381e | 942 | static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2] = { |
1da177e4 LT |
943 | AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1), |
944 | AD18XX_PCM_VOLUME("Surround Playback Volume", 1) | |
945 | }; | |
946 | ||
ee42381e | 947 | static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2] = { |
1da177e4 LT |
948 | AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1), |
949 | AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31) | |
950 | }; | |
951 | ||
ee42381e | 952 | static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2] = { |
1da177e4 LT |
953 | AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1), |
954 | AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31) | |
955 | }; | |
956 | ||
957 | /* | |
958 | * | |
959 | */ | |
960 | ||
ee42381e | 961 | static void snd_ac97_powerdown(struct snd_ac97 *ac97); |
1da177e4 | 962 | |
ee42381e | 963 | static int snd_ac97_bus_free(struct snd_ac97_bus *bus) |
1da177e4 LT |
964 | { |
965 | if (bus) { | |
966 | snd_ac97_bus_proc_done(bus); | |
967 | kfree(bus->pcms); | |
968 | if (bus->private_free) | |
969 | bus->private_free(bus); | |
970 | kfree(bus); | |
971 | } | |
972 | return 0; | |
973 | } | |
974 | ||
ee42381e | 975 | static int snd_ac97_bus_dev_free(struct snd_device *device) |
1da177e4 | 976 | { |
ee42381e | 977 | struct snd_ac97_bus *bus = device->device_data; |
1da177e4 LT |
978 | return snd_ac97_bus_free(bus); |
979 | } | |
980 | ||
ee42381e | 981 | static int snd_ac97_free(struct snd_ac97 *ac97) |
1da177e4 LT |
982 | { |
983 | if (ac97) { | |
6dbe6628 TI |
984 | #ifdef CONFIG_SND_AC97_POWER_SAVE |
985 | if (ac97->power_workq) | |
986 | destroy_workqueue(ac97->power_workq); | |
987 | #endif | |
1da177e4 | 988 | snd_ac97_proc_done(ac97); |
2ba71978 | 989 | if (ac97->bus) |
1da177e4 | 990 | ac97->bus->codec[ac97->num] = NULL; |
1da177e4 LT |
991 | if (ac97->private_free) |
992 | ac97->private_free(ac97); | |
993 | kfree(ac97); | |
994 | } | |
995 | return 0; | |
996 | } | |
997 | ||
ee42381e | 998 | static int snd_ac97_dev_free(struct snd_device *device) |
1da177e4 | 999 | { |
ee42381e | 1000 | struct snd_ac97 *ac97 = device->device_data; |
1da177e4 LT |
1001 | snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */ |
1002 | return snd_ac97_free(ac97); | |
1003 | } | |
1004 | ||
ee42381e | 1005 | static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg) |
1da177e4 LT |
1006 | { |
1007 | unsigned short val, mask = 0x8000; | |
1008 | ||
1009 | if (! snd_ac97_valid_reg(ac97, reg)) | |
1010 | return 0; | |
1011 | ||
1012 | switch (reg) { | |
1013 | case AC97_MASTER_TONE: | |
1014 | return ac97->caps & 0x04 ? 1 : 0; | |
1015 | case AC97_HEADPHONE: | |
1016 | return ac97->caps & 0x10 ? 1 : 0; | |
1017 | case AC97_REC_GAIN_MIC: | |
1018 | return ac97->caps & 0x01 ? 1 : 0; | |
1019 | case AC97_3D_CONTROL: | |
1020 | if (ac97->caps & 0x7c00) { | |
1021 | val = snd_ac97_read(ac97, reg); | |
1022 | /* if nonzero - fixed and we can't set it */ | |
1023 | return val == 0; | |
1024 | } | |
1025 | return 0; | |
1026 | case AC97_CENTER_LFE_MASTER: /* center */ | |
1027 | if ((ac97->ext_id & AC97_EI_CDAC) == 0) | |
1028 | return 0; | |
1029 | break; | |
1030 | case AC97_CENTER_LFE_MASTER+1: /* lfe */ | |
1031 | if ((ac97->ext_id & AC97_EI_LDAC) == 0) | |
1032 | return 0; | |
1033 | reg = AC97_CENTER_LFE_MASTER; | |
1034 | mask = 0x0080; | |
1035 | break; | |
1036 | case AC97_SURROUND_MASTER: | |
1037 | if ((ac97->ext_id & AC97_EI_SDAC) == 0) | |
1038 | return 0; | |
1039 | break; | |
1040 | } | |
1041 | ||
1da177e4 LT |
1042 | val = snd_ac97_read(ac97, reg); |
1043 | if (!(val & mask)) { | |
1044 | /* nothing seems to be here - mute flag is not set */ | |
1045 | /* try another test */ | |
1046 | snd_ac97_write_cache(ac97, reg, val | mask); | |
1047 | val = snd_ac97_read(ac97, reg); | |
ee42381e | 1048 | val = snd_ac97_read(ac97, reg); |
1da177e4 LT |
1049 | if (!(val & mask)) |
1050 | return 0; /* nothing here */ | |
1051 | } | |
1052 | return 1; /* success, useable */ | |
1053 | } | |
1054 | ||
ee42381e | 1055 | static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max) |
1da177e4 LT |
1056 | { |
1057 | unsigned short cbit[3] = { 0x20, 0x10, 0x01 }; | |
1058 | unsigned char max[3] = { 63, 31, 15 }; | |
1059 | int i; | |
1060 | ||
50dabc2d TI |
1061 | /* first look up the static resolution table */ |
1062 | if (ac97->res_table) { | |
1063 | const struct snd_ac97_res_table *tbl; | |
1064 | for (tbl = ac97->res_table; tbl->reg; tbl++) { | |
1065 | if (tbl->reg == reg) { | |
1066 | *lo_max = tbl->bits & 0xff; | |
1067 | *hi_max = (tbl->bits >> 8) & 0xff; | |
1068 | return; | |
1069 | } | |
1070 | } | |
1071 | } | |
1072 | ||
1da177e4 LT |
1073 | *lo_max = *hi_max = 0; |
1074 | for (i = 0 ; i < ARRAY_SIZE(cbit); i++) { | |
1075 | unsigned short val; | |
1076 | snd_ac97_write(ac97, reg, 0x8080 | cbit[i] | (cbit[i] << 8)); | |
c9eab129 JCD |
1077 | /* Do the read twice due to buffers on some ac97 codecs. |
1078 | * e.g. The STAC9704 returns exactly what you wrote the the register | |
1079 | * if you read it immediately. This causes the detect routine to fail. | |
1080 | */ | |
1081 | val = snd_ac97_read(ac97, reg); | |
1da177e4 | 1082 | val = snd_ac97_read(ac97, reg); |
a2142674 | 1083 | if (! *lo_max && (val & 0x7f) == cbit[i]) |
1da177e4 | 1084 | *lo_max = max[i]; |
a2142674 | 1085 | if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i]) |
1da177e4 LT |
1086 | *hi_max = max[i]; |
1087 | if (*lo_max && *hi_max) | |
1088 | break; | |
1089 | } | |
1090 | } | |
1091 | ||
ee42381e | 1092 | int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit) |
1da177e4 LT |
1093 | { |
1094 | unsigned short mask, val, orig, res; | |
1095 | ||
1096 | mask = 1 << bit; | |
1097 | orig = snd_ac97_read(ac97, reg); | |
1098 | val = orig ^ mask; | |
1099 | snd_ac97_write(ac97, reg, val); | |
1100 | res = snd_ac97_read(ac97, reg); | |
1101 | snd_ac97_write_cache(ac97, reg, orig); | |
1102 | return res == val; | |
1103 | } | |
1104 | ||
1105 | /* check the volume resolution of center/lfe */ | |
ee42381e | 1106 | static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max) |
1da177e4 LT |
1107 | { |
1108 | unsigned short val, val1; | |
1109 | ||
1110 | *max = 63; | |
1111 | val = 0x8080 | (0x20 << shift); | |
1112 | snd_ac97_write(ac97, reg, val); | |
1113 | val1 = snd_ac97_read(ac97, reg); | |
1114 | if (val != val1) { | |
1115 | *max = 31; | |
1116 | } | |
1117 | /* reset volume to zero */ | |
1118 | snd_ac97_write_cache(ac97, reg, 0x8080); | |
1119 | } | |
1120 | ||
1121 | static inline int printable(unsigned int x) | |
1122 | { | |
1123 | x &= 0xff; | |
1124 | if (x < ' ' || x >= 0x71) { | |
1125 | if (x <= 0x89) | |
1126 | return x - 0x71 + 'A'; | |
1127 | return '?'; | |
1128 | } | |
1129 | return x; | |
1130 | } | |
1131 | ||
ee42381e | 1132 | struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97) |
1da177e4 | 1133 | { |
ee42381e | 1134 | struct snd_kcontrol_new template; |
1da177e4 | 1135 | memcpy(&template, _template, sizeof(template)); |
1da177e4 LT |
1136 | template.index = ac97->num; |
1137 | return snd_ctl_new1(&template, ac97); | |
1138 | } | |
1139 | ||
1140 | /* | |
1141 | * create mute switch(es) for normal stereo controls | |
1142 | */ | |
6dbe6628 TI |
1143 | static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, |
1144 | int check_stereo, int check_amix, | |
1145 | struct snd_ac97 *ac97) | |
1da177e4 | 1146 | { |
ee42381e | 1147 | struct snd_kcontrol *kctl; |
1da177e4 LT |
1148 | int err; |
1149 | unsigned short val, val1, mute_mask; | |
1150 | ||
1151 | if (! snd_ac97_valid_reg(ac97, reg)) | |
1152 | return 0; | |
1153 | ||
1154 | mute_mask = 0x8000; | |
1155 | val = snd_ac97_read(ac97, reg); | |
1156 | if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) { | |
1157 | /* check whether both mute bits work */ | |
1158 | val1 = val | 0x8080; | |
1159 | snd_ac97_write(ac97, reg, val1); | |
1160 | if (val1 == snd_ac97_read(ac97, reg)) | |
1161 | mute_mask = 0x8080; | |
1162 | } | |
1163 | if (mute_mask == 0x8080) { | |
ee42381e | 1164 | struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1); |
6dbe6628 TI |
1165 | if (check_amix) |
1166 | tmp.private_value |= (1 << 30); | |
1da177e4 LT |
1167 | tmp.index = ac97->num; |
1168 | kctl = snd_ctl_new1(&tmp, ac97); | |
1169 | } else { | |
ee42381e | 1170 | struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15, 1, 1); |
6dbe6628 TI |
1171 | if (check_amix) |
1172 | tmp.private_value |= (1 << 30); | |
1da177e4 LT |
1173 | tmp.index = ac97->num; |
1174 | kctl = snd_ctl_new1(&tmp, ac97); | |
1175 | } | |
1176 | err = snd_ctl_add(card, kctl); | |
1177 | if (err < 0) | |
1178 | return err; | |
1179 | /* mute as default */ | |
1180 | snd_ac97_write_cache(ac97, reg, val | mute_mask); | |
1181 | return 0; | |
1182 | } | |
1183 | ||
2f3482fb TI |
1184 | /* |
1185 | * set dB information | |
1186 | */ | |
1187 | static DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); | |
1188 | static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); | |
1189 | static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); | |
1190 | static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); | |
1191 | static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); | |
1192 | ||
1193 | static unsigned int *find_db_scale(unsigned int maxval) | |
1194 | { | |
1195 | switch (maxval) { | |
1196 | case 0x0f: return db_scale_4bit; | |
1197 | case 0x1f: return db_scale_5bit; | |
1198 | case 0x3f: return db_scale_6bit; | |
1199 | } | |
1200 | return NULL; | |
1201 | } | |
1202 | ||
1203 | static void set_tlv_db_scale(struct snd_kcontrol *kctl, unsigned int *tlv) | |
1204 | { | |
1205 | kctl->tlv.p = tlv; | |
1206 | if (tlv) | |
1207 | kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; | |
1208 | } | |
1209 | ||
1da177e4 LT |
1210 | /* |
1211 | * create a volume for normal stereo/mono controls | |
1212 | */ | |
ee42381e TI |
1213 | static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max, |
1214 | unsigned int hi_max, struct snd_ac97 *ac97) | |
1da177e4 LT |
1215 | { |
1216 | int err; | |
ee42381e | 1217 | struct snd_kcontrol *kctl; |
1da177e4 LT |
1218 | |
1219 | if (! snd_ac97_valid_reg(ac97, reg)) | |
1220 | return 0; | |
1221 | if (hi_max) { | |
1222 | /* invert */ | |
ee42381e | 1223 | struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8, 0, lo_max, 1); |
1da177e4 LT |
1224 | tmp.index = ac97->num; |
1225 | kctl = snd_ctl_new1(&tmp, ac97); | |
1226 | } else { | |
1227 | /* invert */ | |
ee42381e | 1228 | struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0, lo_max, 1); |
1da177e4 LT |
1229 | tmp.index = ac97->num; |
1230 | kctl = snd_ctl_new1(&tmp, ac97); | |
1231 | } | |
2f3482fb TI |
1232 | if (reg >= AC97_PHONE && reg <= AC97_PCM) |
1233 | set_tlv_db_scale(kctl, db_scale_5bit_12db_max); | |
1234 | else | |
1235 | set_tlv_db_scale(kctl, find_db_scale(lo_max)); | |
1da177e4 LT |
1236 | err = snd_ctl_add(card, kctl); |
1237 | if (err < 0) | |
1238 | return err; | |
1239 | snd_ac97_write_cache(ac97, reg, | |
1240 | (snd_ac97_read(ac97, reg) & 0x8080) | | |
1241 | lo_max | (hi_max << 8)); | |
1242 | return 0; | |
1243 | } | |
1244 | ||
1245 | /* | |
1246 | * create a mute-switch and a volume for normal stereo/mono controls | |
1247 | */ | |
6dbe6628 TI |
1248 | static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx, |
1249 | int reg, int check_stereo, int check_amix, | |
1250 | struct snd_ac97 *ac97) | |
1da177e4 LT |
1251 | { |
1252 | int err; | |
1253 | char name[44]; | |
1254 | unsigned char lo_max, hi_max; | |
1255 | ||
1256 | if (! snd_ac97_valid_reg(ac97, reg)) | |
1257 | return 0; | |
1258 | ||
1259 | if (snd_ac97_try_bit(ac97, reg, 15)) { | |
1260 | sprintf(name, "%s Switch", pfx); | |
6dbe6628 TI |
1261 | if ((err = snd_ac97_cmute_new_stereo(card, name, reg, |
1262 | check_stereo, check_amix, | |
1263 | ac97)) < 0) | |
1da177e4 LT |
1264 | return err; |
1265 | } | |
1266 | check_volume_resolution(ac97, reg, &lo_max, &hi_max); | |
1267 | if (lo_max) { | |
1268 | sprintf(name, "%s Volume", pfx); | |
1269 | if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 0) | |
1270 | return err; | |
1271 | } | |
1272 | return 0; | |
1273 | } | |
1274 | ||
6dbe6628 TI |
1275 | #define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \ |
1276 | snd_ac97_cmix_new_stereo(card, pfx, reg, 0, acheck, ac97) | |
1277 | #define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \ | |
1278 | snd_ac97_cmute_new_stereo(card, name, reg, 0, acheck, ac97) | |
1da177e4 | 1279 | |
ee42381e | 1280 | static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97); |
1da177e4 | 1281 | |
ee42381e | 1282 | static int snd_ac97_mixer_build(struct snd_ac97 * ac97) |
1da177e4 | 1283 | { |
ee42381e TI |
1284 | struct snd_card *card = ac97->bus->card; |
1285 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
1286 | int err; |
1287 | unsigned int idx; | |
1288 | unsigned char max; | |
1289 | ||
1290 | /* build master controls */ | |
1291 | /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */ | |
1292 | if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) { | |
1293 | if (ac97->flags & AC97_HAS_NO_MASTER_VOL) | |
6dbe6628 TI |
1294 | err = snd_ac97_cmute_new(card, "Master Playback Switch", |
1295 | AC97_MASTER, 0, ac97); | |
1da177e4 | 1296 | else |
6dbe6628 TI |
1297 | err = snd_ac97_cmix_new(card, "Master Playback", |
1298 | AC97_MASTER, 0, ac97); | |
1da177e4 LT |
1299 | if (err < 0) |
1300 | return err; | |
1301 | } | |
1302 | ||
1303 | ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080; | |
1304 | ||
1305 | /* build center controls */ | |
70c5acbd JK |
1306 | if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) |
1307 | && !(ac97->flags & AC97_AD_MULTI)) { | |
1da177e4 LT |
1308 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0) |
1309 | return err; | |
1310 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0) | |
1311 | return err; | |
1312 | snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); | |
1313 | kctl->private_value &= ~(0xff << 16); | |
1314 | kctl->private_value |= (int)max << 16; | |
2f3482fb | 1315 | set_tlv_db_scale(kctl, find_db_scale(max)); |
1da177e4 LT |
1316 | snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); |
1317 | } | |
1318 | ||
1319 | /* build LFE controls */ | |
70c5acbd JK |
1320 | if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) |
1321 | && !(ac97->flags & AC97_AD_MULTI)) { | |
1da177e4 LT |
1322 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0) |
1323 | return err; | |
1324 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0) | |
1325 | return err; | |
1326 | snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); | |
1327 | kctl->private_value &= ~(0xff << 16); | |
1328 | kctl->private_value |= (int)max << 16; | |
2f3482fb | 1329 | set_tlv_db_scale(kctl, find_db_scale(max)); |
1da177e4 LT |
1330 | snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); |
1331 | } | |
1332 | ||
1333 | /* build surround controls */ | |
70c5acbd JK |
1334 | if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) |
1335 | && !(ac97->flags & AC97_AD_MULTI)) { | |
1da177e4 | 1336 | /* Surround Master (0x38) is with stereo mutes */ |
6dbe6628 TI |
1337 | if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", |
1338 | AC97_SURROUND_MASTER, 1, 0, | |
1339 | ac97)) < 0) | |
1da177e4 LT |
1340 | return err; |
1341 | } | |
1342 | ||
1343 | /* build headphone controls */ | |
1344 | if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) { | |
6dbe6628 TI |
1345 | if ((err = snd_ac97_cmix_new(card, "Headphone Playback", |
1346 | AC97_HEADPHONE, 0, ac97)) < 0) | |
1da177e4 LT |
1347 | return err; |
1348 | } | |
1349 | ||
1350 | /* build master mono controls */ | |
1351 | if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) { | |
6dbe6628 TI |
1352 | if ((err = snd_ac97_cmix_new(card, "Master Mono Playback", |
1353 | AC97_MASTER_MONO, 0, ac97)) < 0) | |
1da177e4 LT |
1354 | return err; |
1355 | } | |
1356 | ||
1357 | /* build master tone controls */ | |
3998b70f LG |
1358 | if (!(ac97->flags & AC97_HAS_NO_TONE)) { |
1359 | if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) { | |
1360 | for (idx = 0; idx < 2; idx++) { | |
1361 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0) | |
1362 | return err; | |
1363 | if (ac97->id == AC97_ID_YMF753) { | |
1364 | kctl->private_value &= ~(0xff << 16); | |
1365 | kctl->private_value |= 7 << 16; | |
1366 | } | |
1da177e4 | 1367 | } |
3998b70f | 1368 | snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f); |
1da177e4 | 1369 | } |
1da177e4 LT |
1370 | } |
1371 | ||
1372 | /* build PC Speaker controls */ | |
1373 | if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) && | |
1374 | ((ac97->flags & AC97_HAS_PC_BEEP) || | |
1375 | snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { | |
1376 | for (idx = 0; idx < 2; idx++) | |
2f3482fb | 1377 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) |
1da177e4 | 1378 | return err; |
2f3482fb | 1379 | set_tlv_db_scale(kctl, db_scale_4bit); |
1da177e4 LT |
1380 | snd_ac97_write_cache(ac97, AC97_PC_BEEP, |
1381 | snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); | |
1382 | } | |
1383 | ||
1384 | /* build Phone controls */ | |
1385 | if (!(ac97->flags & AC97_HAS_NO_PHONE)) { | |
1386 | if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) { | |
6dbe6628 TI |
1387 | if ((err = snd_ac97_cmix_new(card, "Phone Playback", |
1388 | AC97_PHONE, 1, ac97)) < 0) | |
1da177e4 LT |
1389 | return err; |
1390 | } | |
1391 | } | |
1392 | ||
1393 | /* build MIC controls */ | |
3998b70f LG |
1394 | if (!(ac97->flags & AC97_HAS_NO_MIC)) { |
1395 | if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) { | |
6dbe6628 TI |
1396 | if ((err = snd_ac97_cmix_new(card, "Mic Playback", |
1397 | AC97_MIC, 1, ac97)) < 0) | |
3998b70f LG |
1398 | return err; |
1399 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97))) < 0) | |
1400 | return err; | |
1401 | } | |
1da177e4 LT |
1402 | } |
1403 | ||
1404 | /* build Line controls */ | |
1405 | if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) { | |
6dbe6628 TI |
1406 | if ((err = snd_ac97_cmix_new(card, "Line Playback", |
1407 | AC97_LINE, 1, ac97)) < 0) | |
1da177e4 LT |
1408 | return err; |
1409 | } | |
1410 | ||
1411 | /* build CD controls */ | |
1412 | if (!(ac97->flags & AC97_HAS_NO_CD)) { | |
1413 | if (snd_ac97_try_volume_mix(ac97, AC97_CD)) { | |
6dbe6628 TI |
1414 | if ((err = snd_ac97_cmix_new(card, "CD Playback", |
1415 | AC97_CD, 1, ac97)) < 0) | |
1da177e4 LT |
1416 | return err; |
1417 | } | |
1418 | } | |
1419 | ||
1420 | /* build Video controls */ | |
1421 | if (!(ac97->flags & AC97_HAS_NO_VIDEO)) { | |
1422 | if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) { | |
6dbe6628 TI |
1423 | if ((err = snd_ac97_cmix_new(card, "Video Playback", |
1424 | AC97_VIDEO, 1, ac97)) < 0) | |
1da177e4 LT |
1425 | return err; |
1426 | } | |
1427 | } | |
1428 | ||
1429 | /* build Aux controls */ | |
1459c784 RG |
1430 | if (!(ac97->flags & AC97_HAS_NO_AUX)) { |
1431 | if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) { | |
6dbe6628 TI |
1432 | if ((err = snd_ac97_cmix_new(card, "Aux Playback", |
1433 | AC97_AUX, 1, ac97)) < 0) | |
1459c784 RG |
1434 | return err; |
1435 | } | |
1da177e4 LT |
1436 | } |
1437 | ||
1438 | /* build PCM controls */ | |
1439 | if (ac97->flags & AC97_AD_MULTI) { | |
1440 | unsigned short init_val; | |
1441 | if (ac97->flags & AC97_STEREO_MUTES) | |
1442 | init_val = 0x9f9f; | |
1443 | else | |
1444 | init_val = 0x9f1f; | |
1445 | for (idx = 0; idx < 2; idx++) | |
2f3482fb | 1446 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) |
1da177e4 | 1447 | return err; |
2f3482fb | 1448 | set_tlv_db_scale(kctl, db_scale_5bit); |
1da177e4 LT |
1449 | ac97->spec.ad18xx.pcmreg[0] = init_val; |
1450 | if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { | |
1451 | for (idx = 0; idx < 2; idx++) | |
2f3482fb | 1452 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) |
1da177e4 | 1453 | return err; |
2f3482fb | 1454 | set_tlv_db_scale(kctl, db_scale_5bit); |
1da177e4 LT |
1455 | ac97->spec.ad18xx.pcmreg[1] = init_val; |
1456 | } | |
1457 | if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { | |
1458 | for (idx = 0; idx < 2; idx++) | |
2f3482fb | 1459 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) |
1da177e4 | 1460 | return err; |
2f3482fb | 1461 | set_tlv_db_scale(kctl, db_scale_5bit); |
1da177e4 | 1462 | for (idx = 0; idx < 2; idx++) |
2f3482fb | 1463 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) |
1da177e4 | 1464 | return err; |
2f3482fb | 1465 | set_tlv_db_scale(kctl, db_scale_5bit); |
1da177e4 LT |
1466 | ac97->spec.ad18xx.pcmreg[2] = init_val; |
1467 | } | |
1468 | snd_ac97_write_cache(ac97, AC97_PCM, init_val); | |
1469 | } else { | |
3998b70f LG |
1470 | if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) { |
1471 | if (ac97->flags & AC97_HAS_NO_PCM_VOL) | |
6dbe6628 TI |
1472 | err = snd_ac97_cmute_new(card, |
1473 | "PCM Playback Switch", | |
1474 | AC97_PCM, 0, ac97); | |
3998b70f | 1475 | else |
6dbe6628 TI |
1476 | err = snd_ac97_cmix_new(card, "PCM Playback", |
1477 | AC97_PCM, 0, ac97); | |
3998b70f LG |
1478 | if (err < 0) |
1479 | return err; | |
1480 | } | |
1da177e4 LT |
1481 | } |
1482 | ||
1483 | /* build Capture controls */ | |
1484 | if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) { | |
1485 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0) | |
1486 | return err; | |
1487 | if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) { | |
6dbe6628 TI |
1488 | err = snd_ac97_cmute_new(card, "Capture Switch", |
1489 | AC97_REC_GAIN, 0, ac97); | |
1490 | if (err < 0) | |
1da177e4 LT |
1491 | return err; |
1492 | } | |
2f3482fb | 1493 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) |
1da177e4 | 1494 | return err; |
2f3482fb | 1495 | set_tlv_db_scale(kctl, db_scale_rec_gain); |
1da177e4 LT |
1496 | snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); |
1497 | snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); | |
1498 | } | |
1499 | /* build MIC Capture controls */ | |
1500 | if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { | |
1501 | for (idx = 0; idx < 2; idx++) | |
2f3482fb | 1502 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) |
1da177e4 | 1503 | return err; |
2f3482fb | 1504 | set_tlv_db_scale(kctl, db_scale_rec_gain); |
1da177e4 LT |
1505 | snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); |
1506 | } | |
1507 | ||
1508 | /* build PCM out path & mute control */ | |
1509 | if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) { | |
1510 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0) | |
1511 | return err; | |
1512 | } | |
1513 | ||
1514 | /* build Simulated Stereo Enhancement control */ | |
1515 | if (ac97->caps & 0x0008) { | |
1516 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0) | |
1517 | return err; | |
1518 | } | |
1519 | ||
1520 | /* build 3D Stereo Enhancement control */ | |
1521 | if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) { | |
1522 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0) | |
1523 | return err; | |
1524 | } | |
1525 | ||
1526 | /* build Loudness control */ | |
1527 | if (ac97->caps & 0x0020) { | |
1528 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0) | |
1529 | return err; | |
1530 | } | |
1531 | ||
1532 | /* build Mono output select control */ | |
1533 | if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) { | |
1534 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0) | |
1535 | return err; | |
1536 | } | |
1537 | ||
1538 | /* build Mic select control */ | |
1539 | if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) { | |
1540 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0) | |
1541 | return err; | |
1542 | } | |
1543 | ||
1544 | /* build ADC/DAC loopback control */ | |
1545 | if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) { | |
1546 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0) | |
1547 | return err; | |
1548 | } | |
1549 | ||
1550 | snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000); | |
1551 | ||
1552 | /* build 3D controls */ | |
1553 | if (ac97->build_ops->build_3d) { | |
1554 | ac97->build_ops->build_3d(ac97); | |
1555 | } else { | |
1556 | if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) { | |
1557 | unsigned short val; | |
1558 | val = 0x0707; | |
1559 | snd_ac97_write(ac97, AC97_3D_CONTROL, val); | |
1560 | val = snd_ac97_read(ac97, AC97_3D_CONTROL); | |
1561 | val = val == 0x0606; | |
1562 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0) | |
1563 | return err; | |
1564 | if (val) | |
1565 | kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16); | |
1566 | if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0) | |
1567 | return err; | |
1568 | if (val) | |
1569 | kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16); | |
1570 | snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000); | |
1571 | } | |
1572 | } | |
1573 | ||
1574 | /* build S/PDIF controls */ | |
7b89190c MS |
1575 | |
1576 | /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */ | |
1577 | if (ac97->subsystem_vendor == 0x1043 && | |
1578 | ac97->subsystem_device == 0x810f) | |
1579 | ac97->ext_id |= AC97_EI_SPDIF; | |
1580 | ||
1da177e4 LT |
1581 | if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) { |
1582 | if (ac97->build_ops->build_spdif) { | |
1583 | if ((err = ac97->build_ops->build_spdif(ac97)) < 0) | |
1584 | return err; | |
1585 | } else { | |
1586 | for (idx = 0; idx < 5; idx++) | |
1587 | if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0) | |
1588 | return err; | |
1589 | if (ac97->build_ops->build_post_spdif) { | |
1590 | if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0) | |
1591 | return err; | |
1592 | } | |
1593 | /* set default PCM S/PDIF params */ | |
1594 | /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */ | |
1595 | snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20); | |
1596 | ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97); | |
1597 | } | |
1598 | ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF; | |
1599 | } | |
1600 | ||
1601 | /* build chip specific controls */ | |
1602 | if (ac97->build_ops->build_specific) | |
1603 | if ((err = ac97->build_ops->build_specific(ac97)) < 0) | |
1604 | return err; | |
1605 | ||
1606 | if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) { | |
1607 | kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97); | |
1608 | if (! kctl) | |
1609 | return -ENOMEM; | |
1610 | if (ac97->scaps & AC97_SCAP_INV_EAPD) | |
1611 | set_inv_eapd(ac97, kctl); | |
1612 | if ((err = snd_ctl_add(card, kctl)) < 0) | |
1613 | return err; | |
1614 | } | |
1615 | ||
1616 | return 0; | |
1617 | } | |
1618 | ||
ee42381e | 1619 | static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97) |
1da177e4 | 1620 | { |
87d61c29 SK |
1621 | int err, idx; |
1622 | ||
1da177e4 LT |
1623 | //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG)); |
1624 | snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH)); | |
1625 | snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH)); | |
1626 | snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff); | |
1627 | snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0); | |
1628 | snd_ac97_write(ac97, AC97_MISC_AFE, 0x0); | |
87d61c29 SK |
1629 | |
1630 | /* build modem switches */ | |
1631 | for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) | |
0444e2ac | 1632 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0) |
87d61c29 SK |
1633 | return err; |
1634 | ||
1635 | /* build chip specific controls */ | |
1636 | if (ac97->build_ops->build_specific) | |
1637 | if ((err = ac97->build_ops->build_specific(ac97)) < 0) | |
1638 | return err; | |
1639 | ||
1da177e4 LT |
1640 | return 0; |
1641 | } | |
1642 | ||
ee42381e | 1643 | static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate) |
1da177e4 LT |
1644 | { |
1645 | unsigned short val; | |
1646 | unsigned int tmp; | |
1647 | ||
1648 | tmp = ((unsigned int)rate * ac97->bus->clock) / 48000; | |
1649 | snd_ac97_write_cache(ac97, reg, tmp & 0xffff); | |
1650 | if (shadow_reg) | |
1651 | snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff); | |
1652 | val = snd_ac97_read(ac97, reg); | |
1653 | return val == (tmp & 0xffff); | |
1654 | } | |
1655 | ||
ee42381e | 1656 | static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result) |
1da177e4 LT |
1657 | { |
1658 | unsigned int result = 0; | |
1659 | unsigned short saved; | |
1660 | ||
1661 | if (ac97->bus->no_vra) { | |
1662 | *r_result = SNDRV_PCM_RATE_48000; | |
1663 | if ((ac97->flags & AC97_DOUBLE_RATE) && | |
1664 | reg == AC97_PCM_FRONT_DAC_RATE) | |
1665 | *r_result |= SNDRV_PCM_RATE_96000; | |
1666 | return; | |
1667 | } | |
1668 | ||
1669 | saved = snd_ac97_read(ac97, reg); | |
1670 | if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE) | |
1671 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, | |
1672 | AC97_EA_DRA, 0); | |
1673 | /* test a non-standard rate */ | |
1674 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000)) | |
1675 | result |= SNDRV_PCM_RATE_CONTINUOUS; | |
1676 | /* let's try to obtain standard rates */ | |
1677 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000)) | |
1678 | result |= SNDRV_PCM_RATE_8000; | |
1679 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025)) | |
1680 | result |= SNDRV_PCM_RATE_11025; | |
1681 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000)) | |
1682 | result |= SNDRV_PCM_RATE_16000; | |
1683 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050)) | |
1684 | result |= SNDRV_PCM_RATE_22050; | |
1685 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000)) | |
1686 | result |= SNDRV_PCM_RATE_32000; | |
1687 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100)) | |
1688 | result |= SNDRV_PCM_RATE_44100; | |
1689 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000)) | |
1690 | result |= SNDRV_PCM_RATE_48000; | |
1691 | if ((ac97->flags & AC97_DOUBLE_RATE) && | |
1692 | reg == AC97_PCM_FRONT_DAC_RATE) { | |
1693 | /* test standard double rates */ | |
1694 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, | |
1695 | AC97_EA_DRA, AC97_EA_DRA); | |
1696 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2)) | |
1697 | result |= SNDRV_PCM_RATE_64000; | |
1698 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2)) | |
1699 | result |= SNDRV_PCM_RATE_88200; | |
1700 | if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2)) | |
1701 | result |= SNDRV_PCM_RATE_96000; | |
1702 | /* some codecs don't support variable double rates */ | |
1703 | if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2)) | |
1704 | result &= ~SNDRV_PCM_RATE_CONTINUOUS; | |
1705 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, | |
1706 | AC97_EA_DRA, 0); | |
1707 | } | |
1708 | /* restore the default value */ | |
1709 | snd_ac97_write_cache(ac97, reg, saved); | |
1710 | if (shadow_reg) | |
1711 | snd_ac97_write_cache(ac97, shadow_reg, saved); | |
1712 | *r_result = result; | |
1713 | } | |
1714 | ||
1715 | /* check AC97_SPDIF register to accept which sample rates */ | |
ee42381e | 1716 | static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) |
1da177e4 LT |
1717 | { |
1718 | unsigned int result = 0; | |
1719 | int i; | |
1720 | static unsigned short ctl_bits[] = { | |
1721 | AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K | |
1722 | }; | |
1723 | static unsigned int rate_bits[] = { | |
1724 | SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 | |
1725 | }; | |
1726 | ||
1727 | for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) { | |
1728 | snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]); | |
1729 | if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i]) | |
1730 | result |= rate_bits[i]; | |
1731 | } | |
1732 | return result; | |
1733 | } | |
1734 | ||
1735 | /* look for the codec id table matching with the given id */ | |
ee42381e TI |
1736 | static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table, |
1737 | unsigned int id) | |
1da177e4 | 1738 | { |
ee42381e | 1739 | const struct ac97_codec_id *pid; |
1da177e4 LT |
1740 | |
1741 | for (pid = table; pid->id; pid++) | |
1742 | if (pid->id == (id & pid->mask)) | |
1743 | return pid; | |
1744 | return NULL; | |
1745 | } | |
1746 | ||
ee42381e | 1747 | void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int modem) |
1da177e4 | 1748 | { |
ee42381e | 1749 | const struct ac97_codec_id *pid; |
1da177e4 LT |
1750 | |
1751 | sprintf(name, "0x%x %c%c%c", id, | |
1752 | printable(id >> 24), | |
1753 | printable(id >> 16), | |
1754 | printable(id >> 8)); | |
1755 | pid = look_for_codec_id(snd_ac97_codec_id_vendors, id); | |
1756 | if (! pid) | |
1757 | return; | |
1758 | ||
1759 | strcpy(name, pid->name); | |
1760 | if (ac97 && pid->patch) { | |
1761 | if ((modem && (pid->flags & AC97_MODEM_PATCH)) || | |
1762 | (! modem && ! (pid->flags & AC97_MODEM_PATCH))) | |
1763 | pid->patch(ac97); | |
1764 | } | |
1765 | ||
1766 | pid = look_for_codec_id(snd_ac97_codec_ids, id); | |
1767 | if (pid) { | |
1768 | strcat(name, " "); | |
1769 | strcat(name, pid->name); | |
1770 | if (pid->mask != 0xffffffff) | |
1771 | sprintf(name + strlen(name), " rev %d", id & ~pid->mask); | |
1772 | if (ac97 && pid->patch) { | |
1773 | if ((modem && (pid->flags & AC97_MODEM_PATCH)) || | |
1774 | (! modem && ! (pid->flags & AC97_MODEM_PATCH))) | |
1775 | pid->patch(ac97); | |
1776 | } | |
1777 | } else | |
1778 | sprintf(name + strlen(name), " id %x", id & 0xff); | |
1779 | } | |
1780 | ||
1781 | /** | |
1782 | * snd_ac97_get_short_name - retrieve codec name | |
1783 | * @ac97: the codec instance | |
1784 | * | |
1785 | * Returns the short identifying name of the codec. | |
1786 | */ | |
ee42381e | 1787 | const char *snd_ac97_get_short_name(struct snd_ac97 *ac97) |
1da177e4 | 1788 | { |
ee42381e | 1789 | const struct ac97_codec_id *pid; |
1da177e4 LT |
1790 | |
1791 | for (pid = snd_ac97_codec_ids; pid->id; pid++) | |
1792 | if (pid->id == (ac97->id & pid->mask)) | |
1793 | return pid->name; | |
1794 | return "unknown codec"; | |
1795 | } | |
1796 | ||
7b09679c | 1797 | EXPORT_SYMBOL(snd_ac97_get_short_name); |
1da177e4 LT |
1798 | |
1799 | /* wait for a while until registers are accessible after RESET | |
1800 | * return 0 if ok, negative not ready | |
1801 | */ | |
ee42381e | 1802 | static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem) |
1da177e4 LT |
1803 | { |
1804 | unsigned long end_time; | |
1805 | unsigned short val; | |
1806 | ||
1807 | end_time = jiffies + timeout; | |
1808 | do { | |
1809 | ||
1810 | /* use preliminary reads to settle the communication */ | |
1811 | snd_ac97_read(ac97, AC97_RESET); | |
1812 | snd_ac97_read(ac97, AC97_VENDOR_ID1); | |
1813 | snd_ac97_read(ac97, AC97_VENDOR_ID2); | |
1814 | /* modem? */ | |
1815 | if (with_modem) { | |
1816 | val = snd_ac97_read(ac97, AC97_EXTENDED_MID); | |
1817 | if (val != 0xffff && (val & 1) != 0) | |
1818 | return 0; | |
1819 | } | |
1820 | if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) { | |
1821 | /* probably only Xbox issue - all registers are read as zero */ | |
1822 | val = snd_ac97_read(ac97, AC97_VENDOR_ID1); | |
1823 | if (val != 0 && val != 0xffff) | |
1824 | return 0; | |
1825 | } else { | |
1826 | /* because the PCM or MASTER volume registers can be modified, | |
1827 | * the REC_GAIN register is used for tests | |
1828 | */ | |
1829 | /* test if we can write to the record gain volume register */ | |
1830 | snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05); | |
1831 | if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05) | |
1832 | return 0; | |
1833 | } | |
8433a509 | 1834 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1835 | } while (time_after_eq(end_time, jiffies)); |
1836 | return -ENODEV; | |
1837 | } | |
1838 | ||
1839 | /** | |
1840 | * snd_ac97_bus - create an AC97 bus component | |
1841 | * @card: the card instance | |
1842 | * @num: the bus number | |
1843 | * @ops: the bus callbacks table | |
1844 | * @private_data: private data pointer for the new instance | |
1845 | * @rbus: the pointer to store the new AC97 bus instance. | |
1846 | * | |
ee42381e | 1847 | * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly |
1da177e4 LT |
1848 | * allocated and initialized. |
1849 | * | |
1850 | * The ops table must include valid callbacks (at least read and | |
1851 | * write). The other callbacks, wait and reset, are not mandatory. | |
1852 | * | |
1853 | * The clock is set to 48000. If another clock is needed, set | |
1854 | * (*rbus)->clock manually. | |
1855 | * | |
1856 | * The AC97 bus instance is registered as a low-level device, so you don't | |
1857 | * have to release it manually. | |
1858 | * | |
1859 | * Returns zero if successful, or a negative error code on failure. | |
1860 | */ | |
ee42381e TI |
1861 | int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, |
1862 | void *private_data, struct snd_ac97_bus **rbus) | |
1da177e4 LT |
1863 | { |
1864 | int err; | |
ee42381e TI |
1865 | struct snd_ac97_bus *bus; |
1866 | static struct snd_device_ops dev_ops = { | |
1da177e4 LT |
1867 | .dev_free = snd_ac97_bus_dev_free, |
1868 | }; | |
1869 | ||
1870 | snd_assert(card != NULL, return -EINVAL); | |
1871 | snd_assert(rbus != NULL, return -EINVAL); | |
e560d8d8 | 1872 | bus = kzalloc(sizeof(*bus), GFP_KERNEL); |
1da177e4 LT |
1873 | if (bus == NULL) |
1874 | return -ENOMEM; | |
1875 | bus->card = card; | |
1876 | bus->num = num; | |
1877 | bus->ops = ops; | |
1878 | bus->private_data = private_data; | |
1879 | bus->clock = 48000; | |
1880 | spin_lock_init(&bus->bus_lock); | |
1881 | snd_ac97_bus_proc_init(bus); | |
1882 | if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { | |
1883 | snd_ac97_bus_free(bus); | |
1884 | return err; | |
1885 | } | |
1886 | *rbus = bus; | |
1887 | return 0; | |
1888 | } | |
1889 | ||
7b09679c TI |
1890 | EXPORT_SYMBOL(snd_ac97_bus); |
1891 | ||
0ca06a00 LG |
1892 | /* stop no dev release warning */ |
1893 | static void ac97_device_release(struct device * dev) | |
1894 | { | |
1895 | } | |
1896 | ||
1897 | /* register ac97 codec to bus */ | |
ee42381e | 1898 | static int snd_ac97_dev_register(struct snd_device *device) |
0ca06a00 | 1899 | { |
ee42381e | 1900 | struct snd_ac97 *ac97 = device->device_data; |
0ca06a00 LG |
1901 | int err; |
1902 | ||
1903 | ac97->dev.bus = &ac97_bus_type; | |
1904 | ac97->dev.parent = ac97->bus->card->dev; | |
0ca06a00 | 1905 | ac97->dev.release = ac97_device_release; |
9398441e TI |
1906 | snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s", |
1907 | ac97->bus->card->number, ac97->num, | |
1908 | snd_ac97_get_short_name(ac97)); | |
0ca06a00 LG |
1909 | if ((err = device_register(&ac97->dev)) < 0) { |
1910 | snd_printk(KERN_ERR "Can't register ac97 bus\n"); | |
1911 | ac97->dev.bus = NULL; | |
1912 | return err; | |
1913 | } | |
1914 | return 0; | |
1915 | } | |
1916 | ||
c461482c TI |
1917 | /* disconnect ac97 codec */ |
1918 | static int snd_ac97_dev_disconnect(struct snd_device *device) | |
0ca06a00 | 1919 | { |
ee42381e | 1920 | struct snd_ac97 *ac97 = device->device_data; |
0ca06a00 LG |
1921 | if (ac97->dev.bus) |
1922 | device_unregister(&ac97->dev); | |
c461482c | 1923 | return 0; |
0ca06a00 LG |
1924 | } |
1925 | ||
1da177e4 LT |
1926 | /* build_ops to do nothing */ |
1927 | static struct snd_ac97_build_ops null_build_ops; | |
1928 | ||
6dbe6628 | 1929 | #ifdef CONFIG_SND_AC97_POWER_SAVE |
c4028958 | 1930 | static void do_update_power(struct work_struct *work) |
6dbe6628 | 1931 | { |
c4028958 DH |
1932 | update_power_regs( |
1933 | container_of(work, struct snd_ac97, power_work.work)); | |
6dbe6628 TI |
1934 | } |
1935 | #endif | |
1936 | ||
1da177e4 LT |
1937 | /** |
1938 | * snd_ac97_mixer - create an Codec97 component | |
1939 | * @bus: the AC97 bus which codec is attached to | |
1940 | * @template: the template of ac97, including index, callbacks and | |
1941 | * the private data. | |
1942 | * @rac97: the pointer to store the new ac97 instance. | |
1943 | * | |
ee42381e | 1944 | * Creates an Codec97 component. An struct snd_ac97 instance is newly |
1da177e4 LT |
1945 | * allocated and initialized from the template. The codec |
1946 | * is then initialized by the standard procedure. | |
1947 | * | |
1948 | * The template must include the codec number (num) and address (addr), | |
1949 | * and the private data (private_data). | |
1950 | * | |
1951 | * The ac97 instance is registered as a low-level device, so you don't | |
1952 | * have to release it manually. | |
1953 | * | |
1954 | * Returns zero if successful, or a negative error code on failure. | |
1955 | */ | |
ee42381e | 1956 | int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97) |
1da177e4 LT |
1957 | { |
1958 | int err; | |
ee42381e TI |
1959 | struct snd_ac97 *ac97; |
1960 | struct snd_card *card; | |
1da177e4 LT |
1961 | char name[64]; |
1962 | unsigned long end_time; | |
1963 | unsigned int reg; | |
ee42381e TI |
1964 | const struct ac97_codec_id *pid; |
1965 | static struct snd_device_ops ops = { | |
1da177e4 | 1966 | .dev_free = snd_ac97_dev_free, |
0ca06a00 | 1967 | .dev_register = snd_ac97_dev_register, |
c461482c | 1968 | .dev_disconnect = snd_ac97_dev_disconnect, |
1da177e4 LT |
1969 | }; |
1970 | ||
1971 | snd_assert(rac97 != NULL, return -EINVAL); | |
1972 | *rac97 = NULL; | |
1973 | snd_assert(bus != NULL && template != NULL, return -EINVAL); | |
1974 | snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); | |
1975 | ||
1da177e4 | 1976 | card = bus->card; |
e560d8d8 | 1977 | ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); |
1da177e4 LT |
1978 | if (ac97 == NULL) |
1979 | return -ENOMEM; | |
1980 | ac97->private_data = template->private_data; | |
1981 | ac97->private_free = template->private_free; | |
1982 | ac97->bus = bus; | |
1983 | ac97->pci = template->pci; | |
1984 | ac97->num = template->num; | |
1985 | ac97->addr = template->addr; | |
1986 | ac97->scaps = template->scaps; | |
7c5706bb | 1987 | ac97->res_table = template->res_table; |
1da177e4 | 1988 | bus->codec[ac97->num] = ac97; |
62932df8 IM |
1989 | mutex_init(&ac97->reg_mutex); |
1990 | mutex_init(&ac97->page_mutex); | |
6dbe6628 TI |
1991 | #ifdef CONFIG_SND_AC97_POWER_SAVE |
1992 | ac97->power_workq = create_workqueue("ac97"); | |
c4028958 | 1993 | INIT_DELAYED_WORK(&ac97->power_work, do_update_power); |
6dbe6628 | 1994 | #endif |
1da177e4 | 1995 | |
adf1b3d2 | 1996 | #ifdef CONFIG_PCI |
1da177e4 LT |
1997 | if (ac97->pci) { |
1998 | pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor); | |
1999 | pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device); | |
2000 | } | |
adf1b3d2 | 2001 | #endif |
1da177e4 LT |
2002 | if (bus->ops->reset) { |
2003 | bus->ops->reset(ac97); | |
2004 | goto __access_ok; | |
2005 | } | |
2006 | ||
2007 | ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; | |
2008 | ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); | |
2009 | if (ac97->id && ac97->id != (unsigned int)-1) { | |
2010 | pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); | |
2011 | if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF)) | |
2012 | goto __access_ok; | |
2013 | } | |
2014 | ||
23fea4da SK |
2015 | /* reset to defaults */ |
2016 | if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO)) | |
2017 | snd_ac97_write(ac97, AC97_RESET, 0); | |
2018 | if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM)) | |
2019 | snd_ac97_write(ac97, AC97_EXTENDED_MID, 0); | |
1da177e4 LT |
2020 | if (bus->ops->wait) |
2021 | bus->ops->wait(ac97); | |
2022 | else { | |
2023 | udelay(50); | |
2024 | if (ac97->scaps & AC97_SCAP_SKIP_AUDIO) | |
2025 | err = ac97_reset_wait(ac97, HZ/2, 1); | |
2026 | else { | |
2027 | err = ac97_reset_wait(ac97, HZ/2, 0); | |
2028 | if (err < 0) | |
2029 | err = ac97_reset_wait(ac97, HZ/2, 1); | |
2030 | } | |
2031 | if (err < 0) { | |
2032 | snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num); | |
2033 | /* proceed anyway - it's often non-critical */ | |
2034 | } | |
2035 | } | |
2036 | __access_ok: | |
2037 | ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16; | |
2038 | ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2); | |
2039 | if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) && | |
2040 | (ac97->id == 0x00000000 || ac97->id == 0xffffffff)) { | |
2041 | snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id); | |
2042 | snd_ac97_free(ac97); | |
2043 | return -EIO; | |
2044 | } | |
2045 | pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id); | |
2046 | if (pid) | |
2047 | ac97->flags |= pid->flags; | |
2048 | ||
2049 | /* test for AC'97 */ | |
2050 | if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) { | |
2051 | /* test if we can write to the record gain volume register */ | |
2052 | snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06); | |
2053 | if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06) | |
2054 | ac97->scaps |= AC97_SCAP_AUDIO; | |
2055 | } | |
2056 | if (ac97->scaps & AC97_SCAP_AUDIO) { | |
2057 | ac97->caps = snd_ac97_read(ac97, AC97_RESET); | |
2058 | ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID); | |
2059 | if (ac97->ext_id == 0xffff) /* invalid combination */ | |
2060 | ac97->ext_id = 0; | |
2061 | } | |
2062 | ||
2063 | /* test for MC'97 */ | |
2064 | if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) { | |
2065 | ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); | |
2066 | if (ac97->ext_mid == 0xffff) /* invalid combination */ | |
2067 | ac97->ext_mid = 0; | |
2068 | if (ac97->ext_mid & 1) | |
2069 | ac97->scaps |= AC97_SCAP_MODEM; | |
2070 | } | |
2071 | ||
2072 | if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) { | |
2073 | if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM))) | |
2074 | snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num); | |
2075 | snd_ac97_free(ac97); | |
2076 | return -EACCES; | |
2077 | } | |
2078 | ||
2079 | if (bus->ops->reset) // FIXME: always skipping? | |
2080 | goto __ready_ok; | |
2081 | ||
2082 | /* FIXME: add powerdown control */ | |
2083 | if (ac97_is_audio(ac97)) { | |
2084 | /* nothing should be in powerdown mode */ | |
2085 | snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); | |
2086 | if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { | |
2087 | snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */ | |
2088 | udelay(100); | |
2089 | snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0); | |
2090 | } | |
2091 | /* nothing should be in powerdown mode */ | |
2092 | snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0); | |
2093 | end_time = jiffies + (HZ / 10); | |
2094 | do { | |
2095 | if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f) | |
2096 | goto __ready_ok; | |
8433a509 | 2097 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2098 | } while (time_after_eq(end_time, jiffies)); |
2099 | snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num); | |
2100 | } | |
2101 | ||
2102 | /* FIXME: add powerdown control */ | |
2103 | if (ac97_is_modem(ac97)) { | |
2104 | unsigned char tmp; | |
2105 | ||
2106 | /* nothing should be in powerdown mode */ | |
2107 | /* note: it's important to set the rate at first */ | |
2108 | tmp = AC97_MEA_GPIO; | |
2109 | if (ac97->ext_mid & AC97_MEI_LINE1) { | |
8e8311b0 | 2110 | snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000); |
1da177e4 LT |
2111 | tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1; |
2112 | } | |
2113 | if (ac97->ext_mid & AC97_MEI_LINE2) { | |
8e8311b0 | 2114 | snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000); |
1da177e4 LT |
2115 | tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2; |
2116 | } | |
2117 | if (ac97->ext_mid & AC97_MEI_HANDSET) { | |
8e8311b0 | 2118 | snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000); |
1da177e4 LT |
2119 | tmp |= AC97_MEA_HADC | AC97_MEA_HDAC; |
2120 | } | |
8e8311b0 | 2121 | snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); |
1da177e4 LT |
2122 | udelay(100); |
2123 | /* nothing should be in powerdown mode */ | |
8e8311b0 | 2124 | snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0); |
1da177e4 LT |
2125 | end_time = jiffies + (HZ / 10); |
2126 | do { | |
2127 | if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp) | |
2128 | goto __ready_ok; | |
8433a509 | 2129 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2130 | } while (time_after_eq(end_time, jiffies)); |
2131 | snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS)); | |
2132 | } | |
2133 | ||
2134 | __ready_ok: | |
2135 | if (ac97_is_audio(ac97)) | |
2136 | ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT; | |
2137 | else | |
2138 | ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT; | |
2139 | if (ac97->ext_id & 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */ | |
2140 | reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); | |
2141 | reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */ | |
2142 | if (! bus->no_vra) | |
2143 | reg |= ac97->ext_id & 0x0009; /* VRA/VRM */ | |
2144 | snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg); | |
2145 | } | |
2146 | if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) { | |
2147 | /* Intel controllers require double rate data to be put in | |
2148 | * slots 7+8, so let's hope the codec supports it. */ | |
2149 | snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78); | |
2150 | if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78) | |
2151 | ac97->flags |= AC97_DOUBLE_RATE; | |
091e95ee TI |
2152 | /* restore to slots 10/11 to avoid the confliction with surrounds */ |
2153 | snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0); | |
1da177e4 LT |
2154 | } |
2155 | if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */ | |
2156 | snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]); | |
2157 | snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]); | |
2158 | } else { | |
2159 | ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000; | |
2160 | if (ac97->flags & AC97_DOUBLE_RATE) | |
2161 | ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000; | |
2162 | ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000; | |
2163 | } | |
2164 | if (ac97->ext_id & AC97_EI_SPDIF) { | |
2165 | /* codec specific code (patch) should override these values */ | |
2166 | ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000; | |
2167 | } | |
2168 | if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */ | |
2169 | snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]); | |
2170 | } else { | |
2171 | ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000; | |
2172 | } | |
2173 | if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */ | |
2174 | snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]); | |
2175 | ac97->scaps |= AC97_SCAP_SURROUND_DAC; | |
2176 | } | |
2177 | if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */ | |
2178 | snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]); | |
2179 | ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC; | |
2180 | } | |
2181 | /* additional initializations */ | |
2182 | if (bus->ops->init) | |
2183 | bus->ops->init(ac97); | |
2184 | snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97)); | |
2185 | snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code | |
2186 | if (! ac97->build_ops) | |
2187 | ac97->build_ops = &null_build_ops; | |
2188 | ||
2189 | if (ac97_is_audio(ac97)) { | |
2190 | char comp[16]; | |
2191 | if (card->mixername[0] == '\0') { | |
2192 | strcpy(card->mixername, name); | |
2193 | } else { | |
2194 | if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { | |
2195 | strcat(card->mixername, ","); | |
2196 | strcat(card->mixername, name); | |
2197 | } | |
2198 | } | |
2199 | sprintf(comp, "AC97a:%08x", ac97->id); | |
2200 | if ((err = snd_component_add(card, comp)) < 0) { | |
2201 | snd_ac97_free(ac97); | |
2202 | return err; | |
2203 | } | |
2204 | if (snd_ac97_mixer_build(ac97) < 0) { | |
2205 | snd_ac97_free(ac97); | |
2206 | return -ENOMEM; | |
2207 | } | |
2208 | } | |
2209 | if (ac97_is_modem(ac97)) { | |
2210 | char comp[16]; | |
2211 | if (card->mixername[0] == '\0') { | |
2212 | strcpy(card->mixername, name); | |
2213 | } else { | |
2214 | if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) { | |
2215 | strcat(card->mixername, ","); | |
2216 | strcat(card->mixername, name); | |
2217 | } | |
2218 | } | |
2219 | sprintf(comp, "AC97m:%08x", ac97->id); | |
2220 | if ((err = snd_component_add(card, comp)) < 0) { | |
2221 | snd_ac97_free(ac97); | |
2222 | return err; | |
2223 | } | |
2224 | if (snd_ac97_modem_build(card, ac97) < 0) { | |
2225 | snd_ac97_free(ac97); | |
2226 | return -ENOMEM; | |
2227 | } | |
2228 | } | |
6dbe6628 TI |
2229 | if (ac97_is_audio(ac97)) |
2230 | update_power_regs(ac97); | |
1da177e4 LT |
2231 | snd_ac97_proc_init(ac97); |
2232 | if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) { | |
2233 | snd_ac97_free(ac97); | |
2234 | return err; | |
2235 | } | |
2236 | *rac97 = ac97; | |
1da177e4 LT |
2237 | return 0; |
2238 | } | |
2239 | ||
7b09679c | 2240 | EXPORT_SYMBOL(snd_ac97_mixer); |
1da177e4 LT |
2241 | |
2242 | /* | |
2243 | * Power down the chip. | |
2244 | * | |
2245 | * MASTER and HEADPHONE registers are muted but the register cache values | |
2246 | * are not changed, so that the values can be restored in snd_ac97_resume(). | |
2247 | */ | |
ee42381e | 2248 | static void snd_ac97_powerdown(struct snd_ac97 *ac97) |
1da177e4 LT |
2249 | { |
2250 | unsigned short power; | |
2251 | ||
2252 | if (ac97_is_audio(ac97)) { | |
2253 | /* some codecs have stereo mute bits */ | |
2254 | snd_ac97_write(ac97, AC97_MASTER, 0x9f9f); | |
2255 | snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f); | |
2256 | } | |
2257 | ||
6dbe6628 TI |
2258 | /* surround, CLFE, mic powerdown */ |
2259 | power = ac97->regs[AC97_EXTENDED_STATUS]; | |
2260 | if (ac97->scaps & AC97_SCAP_SURROUND_DAC) | |
2261 | power |= AC97_EA_PRJ; | |
2262 | if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) | |
2263 | power |= AC97_EA_PRI | AC97_EA_PRK; | |
2264 | power |= AC97_EA_PRL; | |
2265 | snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power); | |
2266 | ||
2267 | /* powerdown external amplifier */ | |
2268 | if (ac97->scaps & AC97_SCAP_INV_EAPD) | |
2269 | power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD; | |
2270 | else if (! (ac97->scaps & AC97_SCAP_EAPD_LED)) | |
2271 | power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD; | |
2272 | power |= AC97_PD_PR6; /* Headphone amplifier powerdown */ | |
2273 | power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */ | |
1da177e4 LT |
2274 | snd_ac97_write(ac97, AC97_POWERDOWN, power); |
2275 | udelay(100); | |
6dbe6628 | 2276 | power |= AC97_PD_PR2 | AC97_PD_PR3; /* Analog Mixer powerdown */ |
1da177e4 | 2277 | snd_ac97_write(ac97, AC97_POWERDOWN, power); |
6dbe6628 TI |
2278 | #ifdef CONFIG_SND_AC97_POWER_SAVE |
2279 | if (power_save) { | |
2280 | udelay(100); | |
2281 | /* AC-link powerdown, internal Clk disable */ | |
2282 | /* FIXME: this may cause click noises on some boards */ | |
2283 | power |= AC97_PD_PR4 | AC97_PD_PR5; | |
2284 | snd_ac97_write(ac97, AC97_POWERDOWN, power); | |
2285 | } | |
1da177e4 LT |
2286 | #endif |
2287 | } | |
2288 | ||
2289 | ||
6dbe6628 TI |
2290 | struct ac97_power_reg { |
2291 | unsigned short reg; | |
2292 | unsigned short power_reg; | |
2293 | unsigned short mask; | |
2294 | }; | |
2295 | ||
2296 | enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE }; | |
2297 | ||
2298 | static struct ac97_power_reg power_regs[PWIDX_SIZE] = { | |
2299 | [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, | |
2300 | [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, | |
2301 | [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, | |
2302 | AC97_EA_PRI | AC97_EA_PRK}, | |
2303 | [PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS, | |
2304 | AC97_EA_PRJ}, | |
2305 | [PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS, | |
2306 | AC97_EA_PRL}, | |
2307 | }; | |
2308 | ||
2309 | #ifdef CONFIG_SND_AC97_POWER_SAVE | |
2310 | /** | |
2311 | * snd_ac97_update_power - update the powerdown register | |
2312 | * @ac97: the codec instance | |
2313 | * @reg: the rate register, e.g. AC97_PCM_FRONT_DAC_RATE | |
2314 | * @powerup: non-zero when power up the part | |
2315 | * | |
2316 | * Update the AC97 powerdown register bits of the given part. | |
2317 | */ | |
2318 | int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup) | |
2319 | { | |
2320 | int i; | |
2321 | ||
2322 | if (! ac97) | |
2323 | return 0; | |
2324 | ||
2325 | if (reg) { | |
2326 | /* SPDIF requires DAC power, too */ | |
2327 | if (reg == AC97_SPDIF) | |
2328 | reg = AC97_PCM_FRONT_DAC_RATE; | |
2329 | for (i = 0; i < PWIDX_SIZE; i++) { | |
2330 | if (power_regs[i].reg == reg) { | |
2331 | if (powerup) | |
2332 | ac97->power_up |= (1 << i); | |
2333 | else | |
2334 | ac97->power_up &= ~(1 << i); | |
2335 | break; | |
2336 | } | |
2337 | } | |
2338 | } | |
2339 | ||
da43deb1 | 2340 | if (power_save && !powerup && ac97->power_workq) |
6dbe6628 TI |
2341 | /* adjust power-down bits after two seconds delay |
2342 | * (for avoiding loud click noises for many (OSS) apps | |
2343 | * that open/close frequently) | |
2344 | */ | |
2345 | queue_delayed_work(ac97->power_workq, &ac97->power_work, HZ*2); | |
2346 | else | |
2347 | update_power_regs(ac97); | |
2348 | ||
2349 | return 0; | |
2350 | } | |
2351 | ||
2352 | EXPORT_SYMBOL(snd_ac97_update_power); | |
2353 | #endif /* CONFIG_SND_AC97_POWER_SAVE */ | |
2354 | ||
2355 | static void update_power_regs(struct snd_ac97 *ac97) | |
2356 | { | |
2357 | unsigned int power_up, bits; | |
2358 | int i; | |
2359 | ||
2360 | #ifdef CONFIG_SND_AC97_POWER_SAVE | |
2361 | if (power_save) | |
2362 | power_up = ac97->power_up; | |
2363 | else { | |
2364 | #endif | |
2365 | power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC); | |
2366 | power_up |= (1 << PWIDX_MIC); | |
2367 | if (ac97->scaps & AC97_SCAP_SURROUND_DAC) | |
2368 | power_up |= (1 << PWIDX_SURR); | |
2369 | if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) | |
2370 | power_up |= (1 << PWIDX_CLFE); | |
2371 | #ifdef CONFIG_SND_AC97_POWER_SAVE | |
2372 | } | |
2373 | #endif | |
2374 | if (power_up) { | |
2375 | if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) { | |
2376 | /* needs power-up analog mix and vref */ | |
2377 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, | |
2378 | AC97_PD_PR3, 0); | |
2379 | msleep(1); | |
2380 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, | |
2381 | AC97_PD_PR2, 0); | |
2382 | } | |
2383 | } | |
2384 | for (i = 0; i < PWIDX_SIZE; i++) { | |
2385 | if (power_up & (1 << i)) | |
2386 | bits = 0; | |
2387 | else | |
2388 | bits = power_regs[i].mask; | |
2389 | snd_ac97_update_bits(ac97, power_regs[i].power_reg, | |
2390 | power_regs[i].mask, bits); | |
2391 | } | |
2392 | if (! power_up) { | |
2393 | if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) { | |
2394 | /* power down analog mix and vref */ | |
2395 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, | |
2396 | AC97_PD_PR2, AC97_PD_PR2); | |
2397 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, | |
2398 | AC97_PD_PR3, AC97_PD_PR3); | |
2399 | } | |
2400 | } | |
2401 | } | |
2402 | ||
2403 | ||
1da177e4 LT |
2404 | #ifdef CONFIG_PM |
2405 | /** | |
2406 | * snd_ac97_suspend - General suspend function for AC97 codec | |
2407 | * @ac97: the ac97 instance | |
2408 | * | |
2409 | * Suspends the codec, power down the chip. | |
2410 | */ | |
ee42381e | 2411 | void snd_ac97_suspend(struct snd_ac97 *ac97) |
1da177e4 | 2412 | { |
e26e7545 TI |
2413 | if (! ac97) |
2414 | return; | |
1da177e4 LT |
2415 | if (ac97->build_ops->suspend) |
2416 | ac97->build_ops->suspend(ac97); | |
2417 | snd_ac97_powerdown(ac97); | |
2418 | } | |
2419 | ||
7b09679c TI |
2420 | EXPORT_SYMBOL(snd_ac97_suspend); |
2421 | ||
1da177e4 LT |
2422 | /* |
2423 | * restore ac97 status | |
2424 | */ | |
ee42381e | 2425 | void snd_ac97_restore_status(struct snd_ac97 *ac97) |
1da177e4 LT |
2426 | { |
2427 | int i; | |
2428 | ||
2429 | for (i = 2; i < 0x7c ; i += 2) { | |
2430 | if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID) | |
2431 | continue; | |
2432 | /* restore only accessible registers | |
2433 | * some chip (e.g. nm256) may hang up when unsupported registers | |
2434 | * are accessed..! | |
2435 | */ | |
2436 | if (test_bit(i, ac97->reg_accessed)) { | |
2437 | snd_ac97_write(ac97, i, ac97->regs[i]); | |
2438 | snd_ac97_read(ac97, i); | |
2439 | } | |
2440 | } | |
2441 | } | |
2442 | ||
2443 | /* | |
2444 | * restore IEC958 status | |
2445 | */ | |
ee42381e | 2446 | void snd_ac97_restore_iec958(struct snd_ac97 *ac97) |
1da177e4 LT |
2447 | { |
2448 | if (ac97->ext_id & AC97_EI_SPDIF) { | |
2449 | if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) { | |
2450 | /* reset spdif status */ | |
2451 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); | |
2452 | snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]); | |
2453 | if (ac97->flags & AC97_CS_SPDIF) | |
2454 | snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]); | |
2455 | else | |
2456 | snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]); | |
2457 | snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */ | |
2458 | } | |
2459 | } | |
2460 | } | |
2461 | ||
2462 | /** | |
2463 | * snd_ac97_resume - General resume function for AC97 codec | |
2464 | * @ac97: the ac97 instance | |
2465 | * | |
2466 | * Do the standard resume procedure, power up and restoring the | |
2467 | * old register values. | |
2468 | */ | |
ee42381e | 2469 | void snd_ac97_resume(struct snd_ac97 *ac97) |
1da177e4 | 2470 | { |
ef21ca24 | 2471 | unsigned long end_time; |
1da177e4 | 2472 | |
e26e7545 TI |
2473 | if (! ac97) |
2474 | return; | |
2475 | ||
1da177e4 LT |
2476 | if (ac97->bus->ops->reset) { |
2477 | ac97->bus->ops->reset(ac97); | |
2478 | goto __reset_ready; | |
2479 | } | |
2480 | ||
2481 | snd_ac97_write(ac97, AC97_POWERDOWN, 0); | |
2482 | if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) { | |
2483 | snd_ac97_write(ac97, AC97_RESET, 0); | |
2484 | udelay(100); | |
2485 | snd_ac97_write(ac97, AC97_POWERDOWN, 0); | |
2486 | } | |
2487 | snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0); | |
2488 | ||
2489 | snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]); | |
2490 | if (ac97_is_audio(ac97)) { | |
2491 | ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101); | |
ef21ca24 NA |
2492 | end_time = jiffies + msecs_to_jiffies(100); |
2493 | do { | |
1da177e4 LT |
2494 | if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101) |
2495 | break; | |
8433a509 | 2496 | schedule_timeout_uninterruptible(1); |
ef21ca24 | 2497 | } while (time_after_eq(end_time, jiffies)); |
1da177e4 LT |
2498 | /* FIXME: extra delay */ |
2499 | ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000); | |
ef21ca24 NA |
2500 | if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) |
2501 | msleep(250); | |
1da177e4 | 2502 | } else { |
ef21ca24 NA |
2503 | end_time = jiffies + msecs_to_jiffies(100); |
2504 | do { | |
1da177e4 LT |
2505 | unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID); |
2506 | if (val != 0xffff && (val & 1) != 0) | |
2507 | break; | |
8433a509 | 2508 | schedule_timeout_uninterruptible(1); |
ef21ca24 | 2509 | } while (time_after_eq(end_time, jiffies)); |
1da177e4 LT |
2510 | } |
2511 | __reset_ready: | |
2512 | ||
2513 | if (ac97->bus->ops->init) | |
2514 | ac97->bus->ops->init(ac97); | |
2515 | ||
2516 | if (ac97->build_ops->resume) | |
2517 | ac97->build_ops->resume(ac97); | |
2518 | else { | |
2519 | snd_ac97_restore_status(ac97); | |
2520 | snd_ac97_restore_iec958(ac97); | |
2521 | } | |
2522 | } | |
7b09679c TI |
2523 | |
2524 | EXPORT_SYMBOL(snd_ac97_resume); | |
1da177e4 LT |
2525 | #endif |
2526 | ||
2527 | ||
2528 | /* | |
2529 | * Hardware tuning | |
2530 | */ | |
2531 | static void set_ctl_name(char *dst, const char *src, const char *suffix) | |
2532 | { | |
2533 | if (suffix) | |
2534 | sprintf(dst, "%s %s", src, suffix); | |
2535 | else | |
2536 | strcpy(dst, src); | |
2537 | } | |
2538 | ||
2539 | /* remove the control with the given name and optional suffix */ | |
ee42381e | 2540 | int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix) |
1da177e4 | 2541 | { |
ee42381e | 2542 | struct snd_ctl_elem_id id; |
1da177e4 LT |
2543 | memset(&id, 0, sizeof(id)); |
2544 | set_ctl_name(id.name, name, suffix); | |
2545 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
2546 | return snd_ctl_remove_id(ac97->bus->card, &id); | |
2547 | } | |
2548 | ||
ee42381e | 2549 | static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix) |
1da177e4 | 2550 | { |
ee42381e | 2551 | struct snd_ctl_elem_id sid; |
1da177e4 LT |
2552 | memset(&sid, 0, sizeof(sid)); |
2553 | set_ctl_name(sid.name, name, suffix); | |
2554 | sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
2555 | return snd_ctl_find_id(ac97->bus->card, &sid); | |
2556 | } | |
2557 | ||
2558 | /* rename the control with the given name and optional suffix */ | |
ee42381e | 2559 | int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix) |
1da177e4 | 2560 | { |
ee42381e | 2561 | struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix); |
1da177e4 LT |
2562 | if (kctl) { |
2563 | set_ctl_name(kctl->id.name, dst, suffix); | |
2564 | return 0; | |
2565 | } | |
2566 | return -ENOENT; | |
2567 | } | |
2568 | ||
2569 | /* rename both Volume and Switch controls - don't check the return value */ | |
ee42381e | 2570 | void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src, const char *dst) |
1da177e4 LT |
2571 | { |
2572 | snd_ac97_rename_ctl(ac97, src, dst, "Switch"); | |
2573 | snd_ac97_rename_ctl(ac97, src, dst, "Volume"); | |
2574 | } | |
2575 | ||
2576 | /* swap controls */ | |
ee42381e | 2577 | int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix) |
1da177e4 | 2578 | { |
ee42381e | 2579 | struct snd_kcontrol *kctl1, *kctl2; |
1da177e4 LT |
2580 | kctl1 = ctl_find(ac97, s1, suffix); |
2581 | kctl2 = ctl_find(ac97, s2, suffix); | |
2582 | if (kctl1 && kctl2) { | |
2583 | set_ctl_name(kctl1->id.name, s2, suffix); | |
2584 | set_ctl_name(kctl2->id.name, s1, suffix); | |
2585 | return 0; | |
2586 | } | |
2587 | return -ENOENT; | |
2588 | } | |
2589 | ||
2590 | #if 1 | |
2591 | /* bind hp and master controls instead of using only hp control */ | |
ee42381e | 2592 | static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
2593 | { |
2594 | int err = snd_ac97_put_volsw(kcontrol, ucontrol); | |
2595 | if (err > 0) { | |
2596 | unsigned long priv_saved = kcontrol->private_value; | |
2597 | kcontrol->private_value = (kcontrol->private_value & ~0xff) | AC97_HEADPHONE; | |
2598 | snd_ac97_put_volsw(kcontrol, ucontrol); | |
2599 | kcontrol->private_value = priv_saved; | |
2600 | } | |
2601 | return err; | |
2602 | } | |
2603 | ||
2604 | /* ac97 tune: bind Master and Headphone controls */ | |
ee42381e | 2605 | static int tune_hp_only(struct snd_ac97 *ac97) |
1da177e4 | 2606 | { |
ee42381e TI |
2607 | struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); |
2608 | struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); | |
1da177e4 LT |
2609 | if (! msw || ! mvol) |
2610 | return -ENOENT; | |
2611 | msw->put = bind_hp_volsw_put; | |
2612 | mvol->put = bind_hp_volsw_put; | |
2613 | snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); | |
2614 | snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); | |
2615 | return 0; | |
2616 | } | |
2617 | ||
2618 | #else | |
2619 | /* ac97 tune: use Headphone control as master */ | |
ee42381e | 2620 | static int tune_hp_only(struct snd_ac97 *ac97) |
1da177e4 LT |
2621 | { |
2622 | if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) | |
2623 | return -ENOENT; | |
2624 | snd_ac97_remove_ctl(ac97, "Master Playback", "Switch"); | |
2625 | snd_ac97_remove_ctl(ac97, "Master Playback", "Volume"); | |
2626 | snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); | |
2627 | return 0; | |
2628 | } | |
2629 | #endif | |
2630 | ||
2631 | /* ac97 tune: swap Headphone and Master controls */ | |
ee42381e | 2632 | static int tune_swap_hp(struct snd_ac97 *ac97) |
1da177e4 LT |
2633 | { |
2634 | if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL) | |
2635 | return -ENOENT; | |
2636 | snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback"); | |
2637 | snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback"); | |
2638 | return 0; | |
2639 | } | |
2640 | ||
2641 | /* ac97 tune: swap Surround and Master controls */ | |
ee42381e | 2642 | static int tune_swap_surround(struct snd_ac97 *ac97) |
1da177e4 LT |
2643 | { |
2644 | if (snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch") || | |
2645 | snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume")) | |
2646 | return -ENOENT; | |
2647 | return 0; | |
2648 | } | |
2649 | ||
2650 | /* ac97 tune: set up mic sharing for AD codecs */ | |
ee42381e | 2651 | static int tune_ad_sharing(struct snd_ac97 *ac97) |
1da177e4 LT |
2652 | { |
2653 | unsigned short scfg; | |
2654 | if ((ac97->id & 0xffffff00) != 0x41445300) { | |
2655 | snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n"); | |
2656 | return -EINVAL; | |
2657 | } | |
2658 | /* Turn on OMS bit to route microphone to back panel */ | |
2659 | scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG); | |
2660 | snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200); | |
2661 | return 0; | |
2662 | } | |
2663 | ||
ee42381e | 2664 | static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = |
1da177e4 LT |
2665 | AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0); |
2666 | ||
2667 | /* ac97 tune: set up ALC jack-select */ | |
ee42381e | 2668 | static int tune_alc_jack(struct snd_ac97 *ac97) |
1da177e4 LT |
2669 | { |
2670 | if ((ac97->id & 0xffffff00) != 0x414c4700) { | |
2671 | snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n"); | |
2672 | return -EINVAL; | |
2673 | } | |
2674 | snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */ | |
2675 | snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */ | |
031c95d4 TI |
2676 | if (ac97->id == AC97_ID_ALC658D) |
2677 | snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); | |
1da177e4 LT |
2678 | return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97)); |
2679 | } | |
2680 | ||
2681 | /* ac97 tune: inversed EAPD bit */ | |
ee42381e | 2682 | static int tune_inv_eapd(struct snd_ac97 *ac97) |
1da177e4 | 2683 | { |
ee42381e | 2684 | struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier", NULL); |
1da177e4 LT |
2685 | if (! kctl) |
2686 | return -ENOENT; | |
2687 | set_inv_eapd(ac97, kctl); | |
2688 | return 0; | |
2689 | } | |
2690 | ||
ee42381e | 2691 | static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
2692 | { |
2693 | int err = snd_ac97_put_volsw(kcontrol, ucontrol); | |
2694 | if (err > 0) { | |
ee42381e | 2695 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
2696 | int shift = (kcontrol->private_value >> 8) & 0x0f; |
2697 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
2698 | unsigned short mask; | |
2699 | if (shift != rshift) | |
2700 | mask = 0x8080; | |
2701 | else | |
2702 | mask = 0x8000; | |
2703 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, | |
2704 | (ac97->regs[AC97_MASTER] & mask) == mask ? | |
2705 | 0x8000 : 0); | |
2706 | } | |
2707 | return err; | |
2708 | } | |
2709 | ||
2710 | /* ac97 tune: EAPD controls mute LED bound with the master mute */ | |
ee42381e | 2711 | static int tune_mute_led(struct snd_ac97 *ac97) |
1da177e4 | 2712 | { |
ee42381e | 2713 | struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); |
1da177e4 LT |
2714 | if (! msw) |
2715 | return -ENOENT; | |
2716 | msw->put = master_mute_sw_put; | |
2717 | snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); | |
2718 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ | |
6dbe6628 | 2719 | ac97->scaps |= AC97_SCAP_EAPD_LED; |
1da177e4 LT |
2720 | return 0; |
2721 | } | |
2722 | ||
a0faefed MG |
2723 | static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol, |
2724 | struct snd_ctl_elem_value *ucontrol) | |
2725 | { | |
2726 | int err = bind_hp_volsw_put(kcontrol, ucontrol); | |
2727 | if (err > 0) { | |
2728 | struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); | |
2729 | int shift = (kcontrol->private_value >> 8) & 0x0f; | |
2730 | int rshift = (kcontrol->private_value >> 12) & 0x0f; | |
2731 | unsigned short mask; | |
2732 | if (shift != rshift) | |
2733 | mask = 0x8080; | |
2734 | else | |
2735 | mask = 0x8000; | |
2736 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, | |
2737 | (ac97->regs[AC97_MASTER] & mask) == mask ? | |
2738 | 0x8000 : 0); | |
2739 | } | |
2740 | return err; | |
2741 | } | |
2742 | ||
2743 | static int tune_hp_mute_led(struct snd_ac97 *ac97) | |
2744 | { | |
2745 | struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch", NULL); | |
2746 | struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume", NULL); | |
2747 | if (! msw || ! mvol) | |
2748 | return -ENOENT; | |
2749 | msw->put = hp_master_mute_sw_put; | |
2750 | mvol->put = bind_hp_volsw_put; | |
2751 | snd_ac97_remove_ctl(ac97, "External Amplifier", NULL); | |
2752 | snd_ac97_remove_ctl(ac97, "Headphone Playback", "Switch"); | |
2753 | snd_ac97_remove_ctl(ac97, "Headphone Playback", "Volume"); | |
2754 | snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000, 0x8000); /* mute LED on */ | |
2755 | return 0; | |
2756 | } | |
2757 | ||
1da177e4 LT |
2758 | struct quirk_table { |
2759 | const char *name; | |
ee42381e | 2760 | int (*func)(struct snd_ac97 *); |
1da177e4 LT |
2761 | }; |
2762 | ||
2763 | static struct quirk_table applicable_quirks[] = { | |
2764 | { "none", NULL }, | |
2765 | { "hp_only", tune_hp_only }, | |
2766 | { "swap_hp", tune_swap_hp }, | |
2767 | { "swap_surround", tune_swap_surround }, | |
2768 | { "ad_sharing", tune_ad_sharing }, | |
2769 | { "alc_jack", tune_alc_jack }, | |
2770 | { "inv_eapd", tune_inv_eapd }, | |
2771 | { "mute_led", tune_mute_led }, | |
a0faefed | 2772 | { "hp_mute_led", tune_hp_mute_led }, |
1da177e4 LT |
2773 | }; |
2774 | ||
2775 | /* apply the quirk with the given type */ | |
ee42381e | 2776 | static int apply_quirk(struct snd_ac97 *ac97, int type) |
1da177e4 LT |
2777 | { |
2778 | if (type <= 0) | |
2779 | return 0; | |
2780 | else if (type >= ARRAY_SIZE(applicable_quirks)) | |
2781 | return -EINVAL; | |
2782 | if (applicable_quirks[type].func) | |
2783 | return applicable_quirks[type].func(ac97); | |
2784 | return 0; | |
2785 | } | |
2786 | ||
2787 | /* apply the quirk with the given name */ | |
ee42381e | 2788 | static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) |
1da177e4 LT |
2789 | { |
2790 | int i; | |
2791 | struct quirk_table *q; | |
2792 | ||
2793 | for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { | |
2794 | q = &applicable_quirks[i]; | |
2795 | if (q->name && ! strcmp(typestr, q->name)) | |
2796 | return apply_quirk(ac97, i); | |
2797 | } | |
2798 | /* for compatibility, accept the numbers, too */ | |
2799 | if (*typestr >= '0' && *typestr <= '9') | |
2800 | return apply_quirk(ac97, (int)simple_strtoul(typestr, NULL, 10)); | |
2801 | return -EINVAL; | |
2802 | } | |
2803 | ||
2804 | /** | |
2805 | * snd_ac97_tune_hardware - tune up the hardware | |
2806 | * @ac97: the ac97 instance | |
2807 | * @quirk: quirk list | |
2808 | * @override: explicit quirk value (overrides the list if non-NULL) | |
2809 | * | |
2810 | * Do some workaround for each pci device, such as renaming of the | |
2811 | * headphone (true line-out) control as "Master". | |
2812 | * The quirk-list must be terminated with a zero-filled entry. | |
2813 | * | |
2814 | * Returns zero if successful, or a negative error code on failure. | |
2815 | */ | |
2816 | ||
ee42381e | 2817 | int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override) |
1da177e4 LT |
2818 | { |
2819 | int result; | |
2820 | ||
1da177e4 LT |
2821 | /* quirk overriden? */ |
2822 | if (override && strcmp(override, "-1") && strcmp(override, "default")) { | |
2823 | result = apply_quirk_str(ac97, override); | |
2824 | if (result < 0) | |
2825 | snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result); | |
2826 | return result; | |
2827 | } | |
2828 | ||
4b499486 PP |
2829 | if (! quirk) |
2830 | return -EINVAL; | |
2831 | ||
69ad07cf JK |
2832 | for (; quirk->subvendor; quirk++) { |
2833 | if (quirk->subvendor != ac97->subsystem_vendor) | |
1da177e4 | 2834 | continue; |
69ad07cf JK |
2835 | if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) || |
2836 | quirk->subdevice == (quirk->mask & ac97->subsystem_device)) { | |
1da177e4 LT |
2837 | if (quirk->codec_id && quirk->codec_id != ac97->id) |
2838 | continue; | |
2839 | snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device); | |
2840 | result = apply_quirk(ac97, quirk->type); | |
2841 | if (result < 0) | |
2842 | snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result); | |
2843 | return result; | |
2844 | } | |
2845 | } | |
2846 | return 0; | |
2847 | } | |
2848 | ||
1da177e4 | 2849 | EXPORT_SYMBOL(snd_ac97_tune_hardware); |
1da177e4 LT |
2850 | |
2851 | /* | |
2852 | * INIT part | |
2853 | */ | |
2854 | ||
2855 | static int __init alsa_ac97_init(void) | |
2856 | { | |
2857 | return 0; | |
2858 | } | |
2859 | ||
2860 | static void __exit alsa_ac97_exit(void) | |
2861 | { | |
2862 | } | |
2863 | ||
2864 | module_init(alsa_ac97_init) | |
2865 | module_exit(alsa_ac97_exit) |