diff options
Diffstat (limited to 'sound/oss/ac97_codec.c')
-rw-r--r-- | sound/oss/ac97_codec.c | 1203 |
1 files changed, 0 insertions, 1203 deletions
diff --git a/sound/oss/ac97_codec.c b/sound/oss/ac97_codec.c deleted file mode 100644 index 0cd23d94888f..000000000000 --- a/sound/oss/ac97_codec.c +++ /dev/null | |||
@@ -1,1203 +0,0 @@ | |||
1 | /* | ||
2 | * ac97_codec.c: Generic AC97 mixer/modem module | ||
3 | * | ||
4 | * Derived from ac97 mixer in maestro and trident driver. | ||
5 | * | ||
6 | * Copyright 2000 Silicon Integrated System Corporation | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | * | ||
22 | ************************************************************************** | ||
23 | * | ||
24 | * The Intel Audio Codec '97 specification is available at: | ||
25 | * http://download.intel.com/support/motherboards/desktop/sb/ac97_r23.pdf | ||
26 | * | ||
27 | ************************************************************************** | ||
28 | * | ||
29 | * History | ||
30 | * May 02, 2003 Liam Girdwood <lrg@slimlogic.co.uk> | ||
31 | * Removed non existent WM9700 | ||
32 | * Added support for WM9705, WM9708, WM9709, WM9710, WM9711 | ||
33 | * WM9712 and WM9717 | ||
34 | * Mar 28, 2002 Randolph Bentson <bentson@holmsjoen.com> | ||
35 | * corrections to support WM9707 in ViewPad 1000 | ||
36 | * v0.4 Mar 15 2000 Ollie Lho | ||
37 | * dual codecs support verified with 4 channels output | ||
38 | * v0.3 Feb 22 2000 Ollie Lho | ||
39 | * bug fix for record mask setting | ||
40 | * v0.2 Feb 10 2000 Ollie Lho | ||
41 | * add ac97_read_proc for /proc/driver/{vendor}/ac97 | ||
42 | * v0.1 Jan 14 2000 Ollie Lho <ollie@sis.com.tw> | ||
43 | * Isolated from trident.c to support multiple ac97 codec | ||
44 | */ | ||
45 | #include <linux/module.h> | ||
46 | #include <linux/kernel.h> | ||
47 | #include <linux/slab.h> | ||
48 | #include <linux/string.h> | ||
49 | #include <linux/errno.h> | ||
50 | #include <linux/bitops.h> | ||
51 | #include <linux/delay.h> | ||
52 | #include <linux/pci.h> | ||
53 | #include <linux/ac97_codec.h> | ||
54 | #include <asm/uaccess.h> | ||
55 | #include <linux/mutex.h> | ||
56 | |||
57 | #define CODEC_ID_BUFSZ 14 | ||
58 | |||
59 | static int ac97_read_mixer(struct ac97_codec *codec, int oss_channel); | ||
60 | static void ac97_write_mixer(struct ac97_codec *codec, int oss_channel, | ||
61 | unsigned int left, unsigned int right); | ||
62 | static void ac97_set_mixer(struct ac97_codec *codec, unsigned int oss_mixer, unsigned int val ); | ||
63 | static int ac97_recmask_io(struct ac97_codec *codec, int rw, int mask); | ||
64 | static int ac97_mixer_ioctl(struct ac97_codec *codec, unsigned int cmd, unsigned long arg); | ||
65 | |||
66 | static int ac97_init_mixer(struct ac97_codec *codec); | ||
67 | |||
68 | static int wolfson_init03(struct ac97_codec * codec); | ||
69 | static int wolfson_init04(struct ac97_codec * codec); | ||
70 | static int wolfson_init05(struct ac97_codec * codec); | ||
71 | static int wolfson_init11(struct ac97_codec * codec); | ||
72 | static int wolfson_init13(struct ac97_codec * codec); | ||
73 | static int tritech_init(struct ac97_codec * codec); | ||
74 | static int tritech_maestro_init(struct ac97_codec * codec); | ||
75 | static int sigmatel_9708_init(struct ac97_codec *codec); | ||
76 | static int sigmatel_9721_init(struct ac97_codec *codec); | ||
77 | static int sigmatel_9744_init(struct ac97_codec *codec); | ||
78 | static int ad1886_init(struct ac97_codec *codec); | ||
79 | static int eapd_control(struct ac97_codec *codec, int); | ||
80 | static int crystal_digital_control(struct ac97_codec *codec, int slots, int rate, int mode); | ||
81 | static int cmedia_init(struct ac97_codec * codec); | ||
82 | static int cmedia_digital_control(struct ac97_codec *codec, int slots, int rate, int mode); | ||
83 | static int generic_digital_control(struct ac97_codec *codec, int slots, int rate, int mode); | ||
84 | |||
85 | |||
86 | /* | ||
87 | * AC97 operations. | ||
88 | * | ||
89 | * If you are adding a codec then you should be able to use | ||
90 | * eapd_ops - any codec that supports EAPD amp control (most) | ||
91 | * null_ops - any ancient codec that supports nothing | ||
92 | * | ||
93 | * The three functions are | ||
94 | * init - used for non AC97 standard initialisation | ||
95 | * amplifier - used to do amplifier control (1=on 0=off) | ||
96 | * digital - switch to digital modes (0 = analog) | ||
97 | * | ||
98 | * Not all codecs support all features, not all drivers use all the | ||
99 | * operations yet | ||
100 | */ | ||
101 | |||
102 | static struct ac97_ops null_ops = { NULL, NULL, NULL }; | ||
103 | static struct ac97_ops default_ops = { NULL, eapd_control, NULL }; | ||
104 | static struct ac97_ops default_digital_ops = { NULL, eapd_control, generic_digital_control}; | ||
105 | static struct ac97_ops wolfson_ops03 = { wolfson_init03, NULL, NULL }; | ||
106 | static struct ac97_ops wolfson_ops04 = { wolfson_init04, NULL, NULL }; | ||
107 | static struct ac97_ops wolfson_ops05 = { wolfson_init05, NULL, NULL }; | ||
108 | static struct ac97_ops wolfson_ops11 = { wolfson_init11, NULL, NULL }; | ||
109 | static struct ac97_ops wolfson_ops13 = { wolfson_init13, NULL, NULL }; | ||
110 | static struct ac97_ops tritech_ops = { tritech_init, NULL, NULL }; | ||
111 | static struct ac97_ops tritech_m_ops = { tritech_maestro_init, NULL, NULL }; | ||
112 | static struct ac97_ops sigmatel_9708_ops = { sigmatel_9708_init, NULL, NULL }; | ||
113 | static struct ac97_ops sigmatel_9721_ops = { sigmatel_9721_init, NULL, NULL }; | ||
114 | static struct ac97_ops sigmatel_9744_ops = { sigmatel_9744_init, NULL, NULL }; | ||
115 | static struct ac97_ops crystal_digital_ops = { NULL, eapd_control, crystal_digital_control }; | ||
116 | static struct ac97_ops ad1886_ops = { ad1886_init, eapd_control, NULL }; | ||
117 | static struct ac97_ops cmedia_ops = { NULL, eapd_control, NULL}; | ||
118 | static struct ac97_ops cmedia_digital_ops = { cmedia_init, eapd_control, cmedia_digital_control}; | ||
119 | |||
120 | /* sorted by vendor/device id */ | ||
121 | static const struct { | ||
122 | u32 id; | ||
123 | char *name; | ||
124 | struct ac97_ops *ops; | ||
125 | int flags; | ||
126 | } ac97_codec_ids[] = { | ||
127 | {0x41445303, "Analog Devices AD1819", &null_ops}, | ||
128 | {0x41445340, "Analog Devices AD1881", &null_ops}, | ||
129 | {0x41445348, "Analog Devices AD1881A", &null_ops}, | ||
130 | {0x41445360, "Analog Devices AD1885", &default_ops}, | ||
131 | {0x41445361, "Analog Devices AD1886", &ad1886_ops}, | ||
132 | {0x41445370, "Analog Devices AD1981", &null_ops}, | ||
133 | {0x41445372, "Analog Devices AD1981A", &null_ops}, | ||
134 | {0x41445374, "Analog Devices AD1981B", &null_ops}, | ||
135 | {0x41445460, "Analog Devices AD1885", &default_ops}, | ||
136 | {0x41445461, "Analog Devices AD1886", &ad1886_ops}, | ||
137 | {0x414B4D00, "Asahi Kasei AK4540", &null_ops}, | ||
138 | {0x414B4D01, "Asahi Kasei AK4542", &null_ops}, | ||
139 | {0x414B4D02, "Asahi Kasei AK4543", &null_ops}, | ||
140 | {0x414C4326, "ALC100P", &null_ops}, | ||
141 | {0x414C4710, "ALC200/200P", &null_ops}, | ||
142 | {0x414C4720, "ALC650", &default_digital_ops}, | ||
143 | {0x434D4941, "CMedia", &cmedia_ops, AC97_NO_PCM_VOLUME }, | ||
144 | {0x434D4942, "CMedia", &cmedia_ops, AC97_NO_PCM_VOLUME }, | ||
145 | {0x434D4961, "CMedia", &cmedia_digital_ops, AC97_NO_PCM_VOLUME }, | ||
146 | {0x43525900, "Cirrus Logic CS4297", &default_ops}, | ||
147 | {0x43525903, "Cirrus Logic CS4297", &default_ops}, | ||
148 | {0x43525913, "Cirrus Logic CS4297A rev A", &default_ops}, | ||
149 | {0x43525914, "Cirrus Logic CS4297A rev B", &default_ops}, | ||
150 | {0x43525923, "Cirrus Logic CS4298", &null_ops}, | ||
151 | {0x4352592B, "Cirrus Logic CS4294", &null_ops}, | ||
152 | {0x4352592D, "Cirrus Logic CS4294", &null_ops}, | ||
153 | {0x43525931, "Cirrus Logic CS4299 rev A", &crystal_digital_ops}, | ||
154 | {0x43525933, "Cirrus Logic CS4299 rev C", &crystal_digital_ops}, | ||
155 | {0x43525934, "Cirrus Logic CS4299 rev D", &crystal_digital_ops}, | ||
156 | {0x43585430, "CXT48", &default_ops, AC97_DELUDED_MODEM }, | ||
157 | {0x43585442, "CXT66", &default_ops, AC97_DELUDED_MODEM }, | ||
158 | {0x44543031, "Diamond Technology DT0893", &default_ops}, | ||
159 | {0x45838308, "ESS Allegro ES1988", &null_ops}, | ||
160 | {0x49434511, "ICE1232", &null_ops}, /* I hope --jk */ | ||
161 | {0x4e534331, "National Semiconductor LM4549", &null_ops}, | ||
162 | {0x53494c22, "Silicon Laboratory Si3036", &null_ops}, | ||
163 | {0x53494c23, "Silicon Laboratory Si3038", &null_ops}, | ||
164 | {0x545200FF, "TriTech TR?????", &tritech_m_ops}, | ||
165 | {0x54524102, "TriTech TR28022", &null_ops}, | ||
166 | {0x54524103, "TriTech TR28023", &null_ops}, | ||
167 | {0x54524106, "TriTech TR28026", &null_ops}, | ||
168 | {0x54524108, "TriTech TR28028", &tritech_ops}, | ||
169 | {0x54524123, "TriTech TR A5", &null_ops}, | ||
170 | {0x574D4C03, "Wolfson WM9703/07/08/17", &wolfson_ops03}, | ||
171 | {0x574D4C04, "Wolfson WM9704M/WM9704Q", &wolfson_ops04}, | ||
172 | {0x574D4C05, "Wolfson WM9705/WM9710", &wolfson_ops05}, | ||
173 | {0x574D4C09, "Wolfson WM9709", &null_ops}, | ||
174 | {0x574D4C12, "Wolfson WM9711/9712", &wolfson_ops11}, | ||
175 | {0x574D4C13, "Wolfson WM9713", &wolfson_ops13, AC97_DEFAULT_POWER_OFF}, | ||
176 | {0x83847600, "SigmaTel STAC????", &null_ops}, | ||
177 | {0x83847604, "SigmaTel STAC9701/3/4/5", &null_ops}, | ||
178 | {0x83847605, "SigmaTel STAC9704", &null_ops}, | ||
179 | {0x83847608, "SigmaTel STAC9708", &sigmatel_9708_ops}, | ||
180 | {0x83847609, "SigmaTel STAC9721/23", &sigmatel_9721_ops}, | ||
181 | {0x83847644, "SigmaTel STAC9744/45", &sigmatel_9744_ops}, | ||
182 | {0x83847652, "SigmaTel STAC9752/53", &default_ops}, | ||
183 | {0x83847656, "SigmaTel STAC9756/57", &sigmatel_9744_ops}, | ||
184 | {0x83847666, "SigmaTel STAC9750T", &sigmatel_9744_ops}, | ||
185 | {0x83847684, "SigmaTel STAC9783/84?", &null_ops}, | ||
186 | {0x57454301, "Winbond 83971D", &null_ops}, | ||
187 | }; | ||
188 | |||
189 | /* this table has default mixer values for all OSS mixers. */ | ||
190 | static struct mixer_defaults { | ||
191 | int mixer; | ||
192 | unsigned int value; | ||
193 | } mixer_defaults[SOUND_MIXER_NRDEVICES] = { | ||
194 | /* all values 0 -> 100 in bytes */ | ||
195 | {SOUND_MIXER_VOLUME, 0x4343}, | ||
196 | {SOUND_MIXER_BASS, 0x4343}, | ||
197 | {SOUND_MIXER_TREBLE, 0x4343}, | ||
198 | {SOUND_MIXER_PCM, 0x4343}, | ||
199 | {SOUND_MIXER_SPEAKER, 0x4343}, | ||
200 | {SOUND_MIXER_LINE, 0x4343}, | ||
201 | {SOUND_MIXER_MIC, 0x0000}, | ||
202 | {SOUND_MIXER_CD, 0x4343}, | ||
203 | {SOUND_MIXER_ALTPCM, 0x4343}, | ||
204 | {SOUND_MIXER_IGAIN, 0x4343}, | ||
205 | {SOUND_MIXER_LINE1, 0x4343}, | ||
206 | {SOUND_MIXER_PHONEIN, 0x4343}, | ||
207 | {SOUND_MIXER_PHONEOUT, 0x4343}, | ||
208 | {SOUND_MIXER_VIDEO, 0x4343}, | ||
209 | {-1,0} | ||
210 | }; | ||
211 | |||
212 | /* table to scale scale from OSS mixer value to AC97 mixer register value */ | ||
213 | static struct ac97_mixer_hw { | ||
214 | unsigned char offset; | ||
215 | int scale; | ||
216 | } ac97_hw[SOUND_MIXER_NRDEVICES]= { | ||
217 | [SOUND_MIXER_VOLUME] = {AC97_MASTER_VOL_STEREO,64}, | ||
218 | [SOUND_MIXER_BASS] = {AC97_MASTER_TONE, 16}, | ||
219 | [SOUND_MIXER_TREBLE] = {AC97_MASTER_TONE, 16}, | ||
220 | [SOUND_MIXER_PCM] = {AC97_PCMOUT_VOL, 32}, | ||
221 | [SOUND_MIXER_SPEAKER] = {AC97_PCBEEP_VOL, 16}, | ||
222 | [SOUND_MIXER_LINE] = {AC97_LINEIN_VOL, 32}, | ||
223 | [SOUND_MIXER_MIC] = {AC97_MIC_VOL, 32}, | ||
224 | [SOUND_MIXER_CD] = {AC97_CD_VOL, 32}, | ||
225 | [SOUND_MIXER_ALTPCM] = {AC97_HEADPHONE_VOL, 64}, | ||
226 | [SOUND_MIXER_IGAIN] = {AC97_RECORD_GAIN, 16}, | ||
227 | [SOUND_MIXER_LINE1] = {AC97_AUX_VOL, 32}, | ||
228 | [SOUND_MIXER_PHONEIN] = {AC97_PHONE_VOL, 32}, | ||
229 | [SOUND_MIXER_PHONEOUT] = {AC97_MASTER_VOL_MONO, 64}, | ||
230 | [SOUND_MIXER_VIDEO] = {AC97_VIDEO_VOL, 32}, | ||
231 | }; | ||
232 | |||
233 | /* the following tables allow us to go from OSS <-> ac97 quickly. */ | ||
234 | enum ac97_recsettings { | ||
235 | AC97_REC_MIC=0, | ||
236 | AC97_REC_CD, | ||
237 | AC97_REC_VIDEO, | ||
238 | AC97_REC_AUX, | ||
239 | AC97_REC_LINE, | ||
240 | AC97_REC_STEREO, /* combination of all enabled outputs.. */ | ||
241 | AC97_REC_MONO, /*.. or the mono equivalent */ | ||
242 | AC97_REC_PHONE | ||
243 | }; | ||
244 | |||
245 | static const unsigned int ac97_rm2oss[] = { | ||
246 | [AC97_REC_MIC] = SOUND_MIXER_MIC, | ||
247 | [AC97_REC_CD] = SOUND_MIXER_CD, | ||
248 | [AC97_REC_VIDEO] = SOUND_MIXER_VIDEO, | ||
249 | [AC97_REC_AUX] = SOUND_MIXER_LINE1, | ||
250 | [AC97_REC_LINE] = SOUND_MIXER_LINE, | ||
251 | [AC97_REC_STEREO]= SOUND_MIXER_IGAIN, | ||
252 | [AC97_REC_PHONE] = SOUND_MIXER_PHONEIN | ||
253 | }; | ||
254 | |||
255 | /* indexed by bit position */ | ||
256 | static const unsigned int ac97_oss_rm[] = { | ||
257 | [SOUND_MIXER_MIC] = AC97_REC_MIC, | ||
258 | [SOUND_MIXER_CD] = AC97_REC_CD, | ||
259 | [SOUND_MIXER_VIDEO] = AC97_REC_VIDEO, | ||
260 | [SOUND_MIXER_LINE1] = AC97_REC_AUX, | ||
261 | [SOUND_MIXER_LINE] = AC97_REC_LINE, | ||
262 | [SOUND_MIXER_IGAIN] = AC97_REC_STEREO, | ||
263 | [SOUND_MIXER_PHONEIN] = AC97_REC_PHONE | ||
264 | }; | ||
265 | |||
266 | static LIST_HEAD(codecs); | ||
267 | static LIST_HEAD(codec_drivers); | ||
268 | static DEFINE_MUTEX(codec_mutex); | ||
269 | |||
270 | /* reads the given OSS mixer from the ac97 the caller must have insured that the ac97 knows | ||
271 | about that given mixer, and should be holding a spinlock for the card */ | ||
272 | static int ac97_read_mixer(struct ac97_codec *codec, int oss_channel) | ||
273 | { | ||
274 | u16 val; | ||
275 | int ret = 0; | ||
276 | int scale; | ||
277 | struct ac97_mixer_hw *mh = &ac97_hw[oss_channel]; | ||
278 | |||
279 | val = codec->codec_read(codec , mh->offset); | ||
280 | |||
281 | if (val & AC97_MUTE) { | ||
282 | ret = 0; | ||
283 | } else if (AC97_STEREO_MASK & (1 << oss_channel)) { | ||
284 | /* nice stereo mixers .. */ | ||
285 | int left,right; | ||
286 | |||
287 | left = (val >> 8) & 0x7f; | ||
288 | right = val & 0x7f; | ||
289 | |||
290 | if (oss_channel == SOUND_MIXER_IGAIN) { | ||
291 | right = (right * 100) / mh->scale; | ||
292 | left = (left * 100) / mh->scale; | ||
293 | } else { | ||
294 | /* these may have 5 or 6 bit resolution */ | ||
295 | if(oss_channel == SOUND_MIXER_VOLUME || oss_channel == SOUND_MIXER_ALTPCM) | ||
296 | scale = (1 << codec->bit_resolution); | ||
297 | else | ||
298 | scale = mh->scale; | ||
299 | |||
300 | right = 100 - ((right * 100) / scale); | ||
301 | left = 100 - ((left * 100) / scale); | ||
302 | } | ||
303 | ret = left | (right << 8); | ||
304 | } else if (oss_channel == SOUND_MIXER_SPEAKER) { | ||
305 | ret = 100 - ((((val & 0x1e)>>1) * 100) / mh->scale); | ||
306 | } else if (oss_channel == SOUND_MIXER_PHONEIN) { | ||
307 | ret = 100 - (((val & 0x1f) * 100) / mh->scale); | ||
308 | } else if (oss_channel == SOUND_MIXER_PHONEOUT) { | ||
309 | scale = (1 << codec->bit_resolution); | ||
310 | ret = 100 - (((val & 0x1f) * 100) / scale); | ||
311 | } else if (oss_channel == SOUND_MIXER_MIC) { | ||
312 | ret = 100 - (((val & 0x1f) * 100) / mh->scale); | ||
313 | /* the low bit is optional in the tone sliders and masking | ||
314 | it lets us avoid the 0xf 'bypass'.. */ | ||
315 | } else if (oss_channel == SOUND_MIXER_BASS) { | ||
316 | ret = 100 - ((((val >> 8) & 0xe) * 100) / mh->scale); | ||
317 | } else if (oss_channel == SOUND_MIXER_TREBLE) { | ||
318 | ret = 100 - (((val & 0xe) * 100) / mh->scale); | ||
319 | } | ||
320 | |||
321 | #ifdef DEBUG | ||
322 | printk("ac97_codec: read OSS mixer %2d (%s ac97 register 0x%02x), " | ||
323 | "0x%04x -> 0x%04x\n", | ||
324 | oss_channel, codec->id ? "Secondary" : "Primary", | ||
325 | mh->offset, val, ret); | ||
326 | #endif | ||
327 | |||
328 | return ret; | ||
329 | } | ||
330 | |||
331 | /* write the OSS encoded volume to the given OSS encoded mixer, again caller's job to | ||
332 | make sure all is well in arg land, call with spinlock held */ | ||
333 | static void ac97_write_mixer(struct ac97_codec *codec, int oss_channel, | ||
334 | unsigned int left, unsigned int right) | ||
335 | { | ||
336 | u16 val = 0; | ||
337 | int scale; | ||
338 | struct ac97_mixer_hw *mh = &ac97_hw[oss_channel]; | ||
339 | |||
340 | #ifdef DEBUG | ||
341 | printk("ac97_codec: wrote OSS mixer %2d (%s ac97 register 0x%02x), " | ||
342 | "left vol:%2d, right vol:%2d:", | ||
343 | oss_channel, codec->id ? "Secondary" : "Primary", | ||
344 | mh->offset, left, right); | ||
345 | #endif | ||
346 | |||
347 | if (AC97_STEREO_MASK & (1 << oss_channel)) { | ||
348 | /* stereo mixers */ | ||
349 | if (left == 0 && right == 0) { | ||
350 | val = AC97_MUTE; | ||
351 | } else { | ||
352 | if (oss_channel == SOUND_MIXER_IGAIN) { | ||
353 | right = (right * mh->scale) / 100; | ||
354 | left = (left * mh->scale) / 100; | ||
355 | if (right >= mh->scale) | ||
356 | right = mh->scale-1; | ||
357 | if (left >= mh->scale) | ||
358 | left = mh->scale-1; | ||
359 | } else { | ||
360 | /* these may have 5 or 6 bit resolution */ | ||
361 | if (oss_channel == SOUND_MIXER_VOLUME || | ||
362 | oss_channel == SOUND_MIXER_ALTPCM) | ||
363 | scale = (1 << codec->bit_resolution); | ||
364 | else | ||
365 | scale = mh->scale; | ||
366 | |||
367 | right = ((100 - right) * scale) / 100; | ||
368 | left = ((100 - left) * scale) / 100; | ||
369 | if (right >= scale) | ||
370 | right = scale-1; | ||
371 | if (left >= scale) | ||
372 | left = scale-1; | ||
373 | } | ||
374 | val = (left << 8) | right; | ||
375 | } | ||
376 | } else if (oss_channel == SOUND_MIXER_BASS) { | ||
377 | val = codec->codec_read(codec , mh->offset) & ~0x0f00; | ||
378 | left = ((100 - left) * mh->scale) / 100; | ||
379 | if (left >= mh->scale) | ||
380 | left = mh->scale-1; | ||
381 | val |= (left << 8) & 0x0e00; | ||
382 | } else if (oss_channel == SOUND_MIXER_TREBLE) { | ||
383 | val = codec->codec_read(codec , mh->offset) & ~0x000f; | ||
384 | left = ((100 - left) * mh->scale) / 100; | ||
385 | if (left >= mh->scale) | ||
386 | left = mh->scale-1; | ||
387 | val |= left & 0x000e; | ||
388 | } else if(left == 0) { | ||
389 | val = AC97_MUTE; | ||
390 | } else if (oss_channel == SOUND_MIXER_SPEAKER) { | ||
391 | left = ((100 - left) * mh->scale) / 100; | ||
392 | if (left >= mh->scale) | ||
393 | left = mh->scale-1; | ||
394 | val = left << 1; | ||
395 | } else if (oss_channel == SOUND_MIXER_PHONEIN) { | ||
396 | left = ((100 - left) * mh->scale) / 100; | ||
397 | if (left >= mh->scale) | ||
398 | left = mh->scale-1; | ||
399 | val = left; | ||
400 | } else if (oss_channel == SOUND_MIXER_PHONEOUT) { | ||
401 | scale = (1 << codec->bit_resolution); | ||
402 | left = ((100 - left) * scale) / 100; | ||
403 | if (left >= mh->scale) | ||
404 | left = mh->scale-1; | ||
405 | val = left; | ||
406 | } else if (oss_channel == SOUND_MIXER_MIC) { | ||
407 | val = codec->codec_read(codec , mh->offset) & ~0x801f; | ||
408 | left = ((100 - left) * mh->scale) / 100; | ||
409 | if (left >= mh->scale) | ||
410 | left = mh->scale-1; | ||
411 | val |= left; | ||
412 | /* the low bit is optional in the tone sliders and masking | ||
413 | it lets us avoid the 0xf 'bypass'.. */ | ||
414 | } | ||
415 | #ifdef DEBUG | ||
416 | printk(" 0x%04x", val); | ||
417 | #endif | ||
418 | |||
419 | codec->codec_write(codec, mh->offset, val); | ||
420 | |||
421 | #ifdef DEBUG | ||
422 | val = codec->codec_read(codec, mh->offset); | ||
423 | printk(" -> 0x%04x\n", val); | ||
424 | #endif | ||
425 | } | ||
426 | |||
427 | /* a thin wrapper for write_mixer */ | ||
428 | static void ac97_set_mixer(struct ac97_codec *codec, unsigned int oss_mixer, unsigned int val ) | ||
429 | { | ||
430 | unsigned int left,right; | ||
431 | |||
432 | /* cleanse input a little */ | ||
433 | right = ((val >> 8) & 0xff) ; | ||
434 | left = (val & 0xff) ; | ||
435 | |||
436 | if (right > 100) right = 100; | ||
437 | if (left > 100) left = 100; | ||
438 | |||
439 | codec->mixer_state[oss_mixer] = (right << 8) | left; | ||
440 | codec->write_mixer(codec, oss_mixer, left, right); | ||
441 | } | ||
442 | |||
443 | /* read or write the recmask, the ac97 can really have left and right recording | ||
444 | inputs independently set, but OSS doesn't seem to want us to express that to | ||
445 | the user. the caller guarantees that we have a supported bit set, and they | ||
446 | must be holding the card's spinlock */ | ||
447 | static int ac97_recmask_io(struct ac97_codec *codec, int rw, int mask) | ||
448 | { | ||
449 | unsigned int val; | ||
450 | |||
451 | if (rw) { | ||
452 | /* read it from the card */ | ||
453 | val = codec->codec_read(codec, AC97_RECORD_SELECT); | ||
454 | #ifdef DEBUG | ||
455 | printk("ac97_codec: ac97 recmask to set to 0x%04x\n", val); | ||
456 | #endif | ||
457 | return (1 << ac97_rm2oss[val & 0x07]); | ||
458 | } | ||
459 | |||
460 | /* else, write the first set in the mask as the | ||
461 | output */ | ||
462 | /* clear out current set value first (AC97 supports only 1 input!) */ | ||
463 | val = (1 << ac97_rm2oss[codec->codec_read(codec, AC97_RECORD_SELECT) & 0x07]); | ||
464 | if (mask != val) | ||
465 | mask &= ~val; | ||
466 | |||
467 | val = ffs(mask); | ||
468 | val = ac97_oss_rm[val-1]; | ||
469 | val |= val << 8; /* set both channels */ | ||
470 | |||
471 | #ifdef DEBUG | ||
472 | printk("ac97_codec: setting ac97 recmask to 0x%04x\n", val); | ||
473 | #endif | ||
474 | |||
475 | codec->codec_write(codec, AC97_RECORD_SELECT, val); | ||
476 | |||
477 | return 0; | ||
478 | }; | ||
479 | |||
480 | static int ac97_mixer_ioctl(struct ac97_codec *codec, unsigned int cmd, unsigned long arg) | ||
481 | { | ||
482 | int i, val = 0; | ||
483 | |||
484 | if (cmd == SOUND_MIXER_INFO) { | ||
485 | mixer_info info; | ||
486 | memset(&info, 0, sizeof(info)); | ||
487 | strlcpy(info.id, codec->name, sizeof(info.id)); | ||
488 | strlcpy(info.name, codec->name, sizeof(info.name)); | ||
489 | info.modify_counter = codec->modcnt; | ||
490 | if (copy_to_user((void __user *)arg, &info, sizeof(info))) | ||
491 | return -EFAULT; | ||
492 | return 0; | ||
493 | } | ||
494 | if (cmd == SOUND_OLD_MIXER_INFO) { | ||
495 | _old_mixer_info info; | ||
496 | memset(&info, 0, sizeof(info)); | ||
497 | strlcpy(info.id, codec->name, sizeof(info.id)); | ||
498 | strlcpy(info.name, codec->name, sizeof(info.name)); | ||
499 | if (copy_to_user((void __user *)arg, &info, sizeof(info))) | ||
500 | return -EFAULT; | ||
501 | return 0; | ||
502 | } | ||
503 | |||
504 | if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int)) | ||
505 | return -EINVAL; | ||
506 | |||
507 | if (cmd == OSS_GETVERSION) | ||
508 | return put_user(SOUND_VERSION, (int __user *)arg); | ||
509 | |||
510 | if (_SIOC_DIR(cmd) == _SIOC_READ) { | ||
511 | switch (_IOC_NR(cmd)) { | ||
512 | case SOUND_MIXER_RECSRC: /* give them the current record source */ | ||
513 | if (!codec->recmask_io) { | ||
514 | val = 0; | ||
515 | } else { | ||
516 | val = codec->recmask_io(codec, 1, 0); | ||
517 | } | ||
518 | break; | ||
519 | |||
520 | case SOUND_MIXER_DEVMASK: /* give them the supported mixers */ | ||
521 | val = codec->supported_mixers; | ||
522 | break; | ||
523 | |||
524 | case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */ | ||
525 | val = codec->record_sources; | ||
526 | break; | ||
527 | |||
528 | case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */ | ||
529 | val = codec->stereo_mixers; | ||
530 | break; | ||
531 | |||
532 | case SOUND_MIXER_CAPS: | ||
533 | val = SOUND_CAP_EXCL_INPUT; | ||
534 | break; | ||
535 | |||
536 | default: /* read a specific mixer */ | ||
537 | i = _IOC_NR(cmd); | ||
538 | |||
539 | if (!supported_mixer(codec, i)) | ||
540 | return -EINVAL; | ||
541 | |||
542 | /* do we ever want to touch the hardware? */ | ||
543 | /* val = codec->read_mixer(codec, i); */ | ||
544 | val = codec->mixer_state[i]; | ||
545 | break; | ||
546 | } | ||
547 | return put_user(val, (int __user *)arg); | ||
548 | } | ||
549 | |||
550 | if (_SIOC_DIR(cmd) == (_SIOC_WRITE|_SIOC_READ)) { | ||
551 | codec->modcnt++; | ||
552 | if (get_user(val, (int __user *)arg)) | ||
553 | return -EFAULT; | ||
554 | |||
555 | switch (_IOC_NR(cmd)) { | ||
556 | case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ | ||
557 | if (!codec->recmask_io) return -EINVAL; | ||
558 | if (!val) return 0; | ||
559 | if (!(val &= codec->record_sources)) return -EINVAL; | ||
560 | |||
561 | codec->recmask_io(codec, 0, val); | ||
562 | |||
563 | return 0; | ||
564 | default: /* write a specific mixer */ | ||
565 | i = _IOC_NR(cmd); | ||
566 | |||
567 | if (!supported_mixer(codec, i)) | ||
568 | return -EINVAL; | ||
569 | |||
570 | ac97_set_mixer(codec, i, val); | ||
571 | |||
572 | return 0; | ||
573 | } | ||
574 | } | ||
575 | return -EINVAL; | ||
576 | } | ||
577 | |||
578 | /** | ||
579 | * codec_id - Turn id1/id2 into a PnP string | ||
580 | * @id1: Vendor ID1 | ||
581 | * @id2: Vendor ID2 | ||
582 | * @buf: CODEC_ID_BUFSZ byte buffer | ||
583 | * | ||
584 | * Fills buf with a zero terminated PnP ident string for the id1/id2 | ||
585 | * pair. For convenience the return is the passed in buffer pointer. | ||
586 | */ | ||
587 | |||
588 | static char *codec_id(u16 id1, u16 id2, char *buf) | ||
589 | { | ||
590 | if(id1&0x8080) { | ||
591 | snprintf(buf, CODEC_ID_BUFSZ, "0x%04x:0x%04x", id1, id2); | ||
592 | } else { | ||
593 | buf[0] = (id1 >> 8); | ||
594 | buf[1] = (id1 & 0xFF); | ||
595 | buf[2] = (id2 >> 8); | ||
596 | snprintf(buf+3, CODEC_ID_BUFSZ - 3, "%d", id2&0xFF); | ||
597 | } | ||
598 | return buf; | ||
599 | } | ||
600 | |||
601 | /** | ||
602 | * ac97_check_modem - Check if the Codec is a modem | ||
603 | * @codec: codec to check | ||
604 | * | ||
605 | * Return true if the device is an AC97 1.0 or AC97 2.0 modem | ||
606 | */ | ||
607 | |||
608 | static int ac97_check_modem(struct ac97_codec *codec) | ||
609 | { | ||
610 | /* Check for an AC97 1.0 soft modem (ID1) */ | ||
611 | if(codec->codec_read(codec, AC97_RESET) & 2) | ||
612 | return 1; | ||
613 | /* Check for an AC97 2.x soft modem */ | ||
614 | codec->codec_write(codec, AC97_EXTENDED_MODEM_ID, 0L); | ||
615 | if(codec->codec_read(codec, AC97_EXTENDED_MODEM_ID) & 1) | ||
616 | return 1; | ||
617 | return 0; | ||
618 | } | ||
619 | |||
620 | |||
621 | /** | ||
622 | * ac97_alloc_codec - Allocate an AC97 codec | ||
623 | * | ||
624 | * Returns a new AC97 codec structure. AC97 codecs may become | ||
625 | * refcounted soon so this interface is needed. Returns with | ||
626 | * one reference taken. | ||
627 | */ | ||
628 | |||
629 | struct ac97_codec *ac97_alloc_codec(void) | ||
630 | { | ||
631 | struct ac97_codec *codec = kzalloc(sizeof(struct ac97_codec), GFP_KERNEL); | ||
632 | if(!codec) | ||
633 | return NULL; | ||
634 | |||
635 | spin_lock_init(&codec->lock); | ||
636 | INIT_LIST_HEAD(&codec->list); | ||
637 | return codec; | ||
638 | } | ||
639 | |||
640 | EXPORT_SYMBOL(ac97_alloc_codec); | ||
641 | |||
642 | /** | ||
643 | * ac97_release_codec - Release an AC97 codec | ||
644 | * @codec: codec to release | ||
645 | * | ||
646 | * Release an allocated AC97 codec. This will be refcounted in | ||
647 | * time but for the moment is trivial. Calls the unregister | ||
648 | * handler if the codec is now defunct. | ||
649 | */ | ||
650 | |||
651 | void ac97_release_codec(struct ac97_codec *codec) | ||
652 | { | ||
653 | /* Remove from the list first, we don't want to be | ||
654 | "rediscovered" */ | ||
655 | mutex_lock(&codec_mutex); | ||
656 | list_del(&codec->list); | ||
657 | mutex_unlock(&codec_mutex); | ||
658 | /* | ||
659 | * The driver needs to deal with internal | ||
660 | * locking to avoid accidents here. | ||
661 | */ | ||
662 | if(codec->driver) | ||
663 | codec->driver->remove(codec, codec->driver); | ||
664 | kfree(codec); | ||
665 | } | ||
666 | |||
667 | EXPORT_SYMBOL(ac97_release_codec); | ||
668 | |||
669 | /** | ||
670 | * ac97_probe_codec - Initialize and setup AC97-compatible codec | ||
671 | * @codec: (in/out) Kernel info for a single AC97 codec | ||
672 | * | ||
673 | * Reset the AC97 codec, then initialize the mixer and | ||
674 | * the rest of the @codec structure. | ||
675 | * | ||
676 | * The codec_read and codec_write fields of @codec are | ||
677 | * required to be setup and working when this function | ||
678 | * is called. All other fields are set by this function. | ||
679 | * | ||
680 | * codec_wait field of @codec can optionally be provided | ||
681 | * when calling this function. If codec_wait is not %NULL, | ||
682 | * this function will call codec_wait any time it is | ||
683 | * necessary to wait for the audio chip to reach the | ||
684 | * codec-ready state. If codec_wait is %NULL, then | ||
685 | * the default behavior is to call schedule_timeout. | ||
686 | * Currently codec_wait is used to wait for AC97 codec | ||
687 | * reset to complete. | ||
688 | * | ||
689 | * Some codecs will power down when a register reset is | ||
690 | * performed. We now check for such codecs. | ||
691 | * | ||
692 | * Returns 1 (true) on success, or 0 (false) on failure. | ||
693 | */ | ||
694 | |||
695 | int ac97_probe_codec(struct ac97_codec *codec) | ||
696 | { | ||
697 | u16 id1, id2; | ||
698 | u16 audio; | ||
699 | int i; | ||
700 | char cidbuf[CODEC_ID_BUFSZ]; | ||
701 | u16 f; | ||
702 | struct list_head *l; | ||
703 | struct ac97_driver *d; | ||
704 | |||
705 | /* wait for codec-ready state */ | ||
706 | if (codec->codec_wait) | ||
707 | codec->codec_wait(codec); | ||
708 | else | ||
709 | udelay(10); | ||
710 | |||
711 | /* will the codec power down if register reset ? */ | ||
712 | id1 = codec->codec_read(codec, AC97_VENDOR_ID1); | ||
713 | id2 = codec->codec_read(codec, AC97_VENDOR_ID2); | ||
714 | codec->name = NULL; | ||
715 | codec->codec_ops = &null_ops; | ||
716 | for (i = 0; i < ARRAY_SIZE(ac97_codec_ids); i++) { | ||
717 | if (ac97_codec_ids[i].id == ((id1 << 16) | id2)) { | ||
718 | codec->type = ac97_codec_ids[i].id; | ||
719 | codec->name = ac97_codec_ids[i].name; | ||
720 | codec->codec_ops = ac97_codec_ids[i].ops; | ||
721 | codec->flags = ac97_codec_ids[i].flags; | ||
722 | break; | ||
723 | } | ||
724 | } | ||
725 | |||
726 | codec->model = (id1 << 16) | id2; | ||
727 | if ((codec->flags & AC97_DEFAULT_POWER_OFF) == 0) { | ||
728 | /* reset codec and wait for the ready bit before we continue */ | ||
729 | codec->codec_write(codec, AC97_RESET, 0L); | ||
730 | if (codec->codec_wait) | ||
731 | codec->codec_wait(codec); | ||
732 | else | ||
733 | udelay(10); | ||
734 | } | ||
735 | |||
736 | /* probing AC97 codec, AC97 2.0 says that bit 15 of register 0x00 (reset) should | ||
737 | * be read zero. | ||
738 | * | ||
739 | * FIXME: is the following comment outdated? -jgarzik | ||
740 | * Probing of AC97 in this way is not reliable, it is not even SAFE !! | ||
741 | */ | ||
742 | if ((audio = codec->codec_read(codec, AC97_RESET)) & 0x8000) { | ||
743 | printk(KERN_ERR "ac97_codec: %s ac97 codec not present\n", | ||
744 | (codec->id & 0x2) ? (codec->id&1 ? "4th" : "Tertiary") | ||
745 | : (codec->id&1 ? "Secondary": "Primary")); | ||
746 | return 0; | ||
747 | } | ||
748 | |||
749 | /* probe for Modem Codec */ | ||
750 | codec->modem = ac97_check_modem(codec); | ||
751 | |||
752 | /* enable SPDIF */ | ||
753 | f = codec->codec_read(codec, AC97_EXTENDED_STATUS); | ||
754 | if((codec->codec_ops == &null_ops) && (f & 4)) | ||
755 | codec->codec_ops = &default_digital_ops; | ||
756 | |||
757 | /* A device which thinks its a modem but isn't */ | ||
758 | if(codec->flags & AC97_DELUDED_MODEM) | ||
759 | codec->modem = 0; | ||
760 | |||
761 | if (codec->name == NULL) | ||
762 | codec->name = "Unknown"; | ||
763 | printk(KERN_INFO "ac97_codec: AC97 %s codec, id: %s (%s)\n", | ||
764 | codec->modem ? "Modem" : (audio ? "Audio" : ""), | ||
765 | codec_id(id1, id2, cidbuf), codec->name); | ||
766 | |||
767 | if(!ac97_init_mixer(codec)) | ||
768 | return 0; | ||
769 | |||
770 | /* | ||
771 | * Attach last so the caller can override the mixer | ||
772 | * callbacks. | ||
773 | */ | ||
774 | |||
775 | mutex_lock(&codec_mutex); | ||
776 | list_add(&codec->list, &codecs); | ||
777 | |||
778 | list_for_each(l, &codec_drivers) { | ||
779 | d = list_entry(l, struct ac97_driver, list); | ||
780 | if ((codec->model ^ d->codec_id) & d->codec_mask) | ||
781 | continue; | ||
782 | if(d->probe(codec, d) == 0) | ||
783 | { | ||
784 | codec->driver = d; | ||
785 | break; | ||
786 | } | ||
787 | } | ||
788 | |||
789 | mutex_unlock(&codec_mutex); | ||
790 | return 1; | ||
791 | } | ||
792 | |||
793 | static int ac97_init_mixer(struct ac97_codec *codec) | ||
794 | { | ||
795 | u16 cap; | ||
796 | int i; | ||
797 | |||
798 | cap = codec->codec_read(codec, AC97_RESET); | ||
799 | |||
800 | /* mixer masks */ | ||
801 | codec->supported_mixers = AC97_SUPPORTED_MASK; | ||
802 | codec->stereo_mixers = AC97_STEREO_MASK; | ||
803 | codec->record_sources = AC97_RECORD_MASK; | ||
804 | if (!(cap & 0x04)) | ||
805 | codec->supported_mixers &= ~(SOUND_MASK_BASS|SOUND_MASK_TREBLE); | ||
806 | if (!(cap & 0x10)) | ||
807 | codec->supported_mixers &= ~SOUND_MASK_ALTPCM; | ||
808 | |||
809 | |||
810 | /* detect bit resolution */ | ||
811 | codec->codec_write(codec, AC97_MASTER_VOL_STEREO, 0x2020); | ||
812 | if(codec->codec_read(codec, AC97_MASTER_VOL_STEREO) == 0x2020) | ||
813 | codec->bit_resolution = 6; | ||
814 | else | ||
815 | codec->bit_resolution = 5; | ||
816 | |||
817 | /* generic OSS to AC97 wrapper */ | ||
818 | codec->read_mixer = ac97_read_mixer; | ||
819 | codec->write_mixer = ac97_write_mixer; | ||
820 | codec->recmask_io = ac97_recmask_io; | ||
821 | codec->mixer_ioctl = ac97_mixer_ioctl; | ||
822 | |||
823 | /* initialize mixer channel volumes */ | ||
824 | for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) { | ||
825 | struct mixer_defaults *md = &mixer_defaults[i]; | ||
826 | if (md->mixer == -1) | ||
827 | break; | ||
828 | if (!supported_mixer(codec, md->mixer)) | ||
829 | continue; | ||
830 | ac97_set_mixer(codec, md->mixer, md->value); | ||
831 | } | ||
832 | |||
833 | /* codec specific initialization for 4-6 channel output or secondary codec stuff */ | ||
834 | if (codec->codec_ops->init != NULL) { | ||
835 | codec->codec_ops->init(codec); | ||
836 | } | ||
837 | |||
838 | /* | ||
839 | * Volume is MUTE only on this device. We have to initialise | ||
840 | * it but its useless beyond that. | ||
841 | */ | ||
842 | if(codec->flags & AC97_NO_PCM_VOLUME) | ||
843 | { | ||
844 | codec->supported_mixers &= ~SOUND_MASK_PCM; | ||
845 | printk(KERN_WARNING "AC97 codec does not have proper volume support.\n"); | ||
846 | } | ||
847 | return 1; | ||
848 | } | ||
849 | |||
850 | #define AC97_SIGMATEL_ANALOG 0x6c /* Analog Special */ | ||
851 | #define AC97_SIGMATEL_DAC2INVERT 0x6e | ||
852 | #define AC97_SIGMATEL_BIAS1 0x70 | ||
853 | #define AC97_SIGMATEL_BIAS2 0x72 | ||
854 | #define AC97_SIGMATEL_MULTICHN 0x74 /* Multi-Channel programming */ | ||
855 | #define AC97_SIGMATEL_CIC1 0x76 | ||
856 | #define AC97_SIGMATEL_CIC2 0x78 | ||
857 | |||
858 | |||
859 | static int sigmatel_9708_init(struct ac97_codec * codec) | ||
860 | { | ||
861 | u16 codec72, codec6c; | ||
862 | |||
863 | codec72 = codec->codec_read(codec, AC97_SIGMATEL_BIAS2) & 0x8000; | ||
864 | codec6c = codec->codec_read(codec, AC97_SIGMATEL_ANALOG); | ||
865 | |||
866 | if ((codec72==0) && (codec6c==0)) { | ||
867 | codec->codec_write(codec, AC97_SIGMATEL_CIC1, 0xabba); | ||
868 | codec->codec_write(codec, AC97_SIGMATEL_CIC2, 0x1000); | ||
869 | codec->codec_write(codec, AC97_SIGMATEL_BIAS1, 0xabba); | ||
870 | codec->codec_write(codec, AC97_SIGMATEL_BIAS2, 0x0007); | ||
871 | } else if ((codec72==0x8000) && (codec6c==0)) { | ||
872 | codec->codec_write(codec, AC97_SIGMATEL_CIC1, 0xabba); | ||
873 | codec->codec_write(codec, AC97_SIGMATEL_CIC2, 0x1001); | ||
874 | codec->codec_write(codec, AC97_SIGMATEL_DAC2INVERT, 0x0008); | ||
875 | } else if ((codec72==0x8000) && (codec6c==0x0080)) { | ||
876 | /* nothing */ | ||
877 | } | ||
878 | codec->codec_write(codec, AC97_SIGMATEL_MULTICHN, 0x0000); | ||
879 | return 0; | ||
880 | } | ||
881 | |||
882 | |||
883 | static int sigmatel_9721_init(struct ac97_codec * codec) | ||
884 | { | ||
885 | /* Only set up secondary codec */ | ||
886 | if (codec->id == 0) | ||
887 | return 0; | ||
888 | |||
889 | codec->codec_write(codec, AC97_SURROUND_MASTER, 0L); | ||
890 | |||
891 | /* initialize SigmaTel STAC9721/23 as secondary codec, decoding AC link | ||
892 | sloc 3,4 = 0x01, slot 7,8 = 0x00, */ | ||
893 | codec->codec_write(codec, AC97_SIGMATEL_MULTICHN, 0x00); | ||
894 | |||
895 | /* we don't have the crystal when we are on an AMR card, so use | ||
896 | BIT_CLK as our clock source. Write the magic word ABBA and read | ||
897 | back to enable register 0x78 */ | ||
898 | codec->codec_write(codec, AC97_SIGMATEL_CIC1, 0xabba); | ||
899 | codec->codec_read(codec, AC97_SIGMATEL_CIC1); | ||
900 | |||
901 | /* sync all the clocks*/ | ||
902 | codec->codec_write(codec, AC97_SIGMATEL_CIC2, 0x3802); | ||
903 | |||
904 | return 0; | ||
905 | } | ||
906 | |||
907 | |||
908 | static int sigmatel_9744_init(struct ac97_codec * codec) | ||
909 | { | ||
910 | // patch for SigmaTel | ||
911 | codec->codec_write(codec, AC97_SIGMATEL_CIC1, 0xabba); | ||
912 | codec->codec_write(codec, AC97_SIGMATEL_CIC2, 0x0000); // is this correct? --jk | ||
913 | codec->codec_write(codec, AC97_SIGMATEL_BIAS1, 0xabba); | ||
914 | codec->codec_write(codec, AC97_SIGMATEL_BIAS2, 0x0002); | ||
915 | codec->codec_write(codec, AC97_SIGMATEL_MULTICHN, 0x0000); | ||
916 | return 0; | ||
917 | } | ||
918 | |||
919 | static int cmedia_init(struct ac97_codec *codec) | ||
920 | { | ||
921 | /* Initialise the CMedia 9739 */ | ||
922 | /* | ||
923 | We could set various options here | ||
924 | Register 0x20 bit 0x100 sets mic as center bass | ||
925 | Also do multi_channel_ctrl &=~0x3000 |=0x1000 | ||
926 | |||
927 | For now we set up the GPIO and PC beep | ||
928 | */ | ||
929 | |||
930 | u16 v; | ||
931 | |||
932 | /* MIC */ | ||
933 | codec->codec_write(codec, 0x64, 0x3000); | ||
934 | v = codec->codec_read(codec, 0x64); | ||
935 | v &= ~0x8000; | ||
936 | codec->codec_write(codec, 0x64, v); | ||
937 | codec->codec_write(codec, 0x70, 0x0100); | ||
938 | codec->codec_write(codec, 0x72, 0x0020); | ||
939 | return 0; | ||
940 | } | ||
941 | |||
942 | #define AC97_WM97XX_FMIXER_VOL 0x72 | ||
943 | #define AC97_WM97XX_RMIXER_VOL 0x74 | ||
944 | #define AC97_WM97XX_TEST 0x5a | ||
945 | #define AC97_WM9704_RPCM_VOL 0x70 | ||
946 | #define AC97_WM9711_OUT3VOL 0x16 | ||
947 | |||
948 | static int wolfson_init03(struct ac97_codec * codec) | ||
949 | { | ||
950 | /* this is known to work for the ViewSonic ViewPad 1000 */ | ||
951 | codec->codec_write(codec, AC97_WM97XX_FMIXER_VOL, 0x0808); | ||
952 | codec->codec_write(codec, AC97_GENERAL_PURPOSE, 0x8000); | ||
953 | return 0; | ||
954 | } | ||
955 | |||
956 | static int wolfson_init04(struct ac97_codec * codec) | ||
957 | { | ||
958 | codec->codec_write(codec, AC97_WM97XX_FMIXER_VOL, 0x0808); | ||
959 | codec->codec_write(codec, AC97_WM97XX_RMIXER_VOL, 0x0808); | ||
960 | |||
961 | // patch for DVD noise | ||
962 | codec->codec_write(codec, AC97_WM97XX_TEST, 0x0200); | ||
963 | |||
964 | // init vol as PCM vol | ||
965 | codec->codec_write(codec, AC97_WM9704_RPCM_VOL, | ||
966 | codec->codec_read(codec, AC97_PCMOUT_VOL)); | ||
967 | |||
968 | /* set rear surround volume */ | ||
969 | codec->codec_write(codec, AC97_SURROUND_MASTER, 0x0000); | ||
970 | return 0; | ||
971 | } | ||
972 | |||
973 | /* WM9705, WM9710 */ | ||
974 | static int wolfson_init05(struct ac97_codec * codec) | ||
975 | { | ||
976 | /* set front mixer volume */ | ||
977 | codec->codec_write(codec, AC97_WM97XX_FMIXER_VOL, 0x0808); | ||
978 | return 0; | ||
979 | } | ||
980 | |||
981 | /* WM9711, WM9712 */ | ||
982 | static int wolfson_init11(struct ac97_codec * codec) | ||
983 | { | ||
984 | /* stop pop's during suspend/resume */ | ||
985 | codec->codec_write(codec, AC97_WM97XX_TEST, | ||
986 | codec->codec_read(codec, AC97_WM97XX_TEST) & 0xffbf); | ||
987 | |||
988 | /* set out3 volume */ | ||
989 | codec->codec_write(codec, AC97_WM9711_OUT3VOL, 0x0808); | ||
990 | return 0; | ||
991 | } | ||
992 | |||
993 | /* WM9713 */ | ||
994 | static int wolfson_init13(struct ac97_codec * codec) | ||
995 | { | ||
996 | codec->codec_write(codec, AC97_RECORD_GAIN, 0x00a0); | ||
997 | codec->codec_write(codec, AC97_POWER_CONTROL, 0x0000); | ||
998 | codec->codec_write(codec, AC97_EXTENDED_MODEM_ID, 0xDA00); | ||
999 | codec->codec_write(codec, AC97_EXTEND_MODEM_STAT, 0x3810); | ||
1000 | codec->codec_write(codec, AC97_PHONE_VOL, 0x0808); | ||
1001 | codec->codec_write(codec, AC97_PCBEEP_VOL, 0x0808); | ||
1002 | |||
1003 | return 0; | ||
1004 | } | ||
1005 | |||
1006 | static int tritech_init(struct ac97_codec * codec) | ||
1007 | { | ||
1008 | codec->codec_write(codec, 0x26, 0x0300); | ||
1009 | codec->codec_write(codec, 0x26, 0x0000); | ||
1010 | codec->codec_write(codec, AC97_SURROUND_MASTER, 0x0000); | ||
1011 | codec->codec_write(codec, AC97_RESERVED_3A, 0x0000); | ||
1012 | return 0; | ||
1013 | } | ||
1014 | |||
1015 | |||
1016 | /* copied from drivers/sound/maestro.c */ | ||
1017 | static int tritech_maestro_init(struct ac97_codec * codec) | ||
1018 | { | ||
1019 | /* no idea what this does */ | ||
1020 | codec->codec_write(codec, 0x2A, 0x0001); | ||
1021 | codec->codec_write(codec, 0x2C, 0x0000); | ||
1022 | codec->codec_write(codec, 0x2C, 0XFFFF); | ||
1023 | return 0; | ||
1024 | } | ||
1025 | |||
1026 | |||
1027 | |||
1028 | /* | ||
1029 | * Presario700 workaround | ||
1030 | * for Jack Sense/SPDIF Register mis-setting causing | ||
1031 | * no audible output | ||
1032 | * by Santiago Nullo 04/05/2002 | ||
1033 | */ | ||
1034 | |||
1035 | #define AC97_AD1886_JACK_SENSE 0x72 | ||
1036 | |||
1037 | static int ad1886_init(struct ac97_codec * codec) | ||
1038 | { | ||
1039 | /* from AD1886 Specs */ | ||
1040 | codec->codec_write(codec, AC97_AD1886_JACK_SENSE, 0x0010); | ||
1041 | return 0; | ||
1042 | } | ||
1043 | |||
1044 | |||
1045 | |||
1046 | |||
1047 | /* | ||
1048 | * This is basically standard AC97. It should work as a default for | ||
1049 | * almost all modern codecs. Note that some cards wire EAPD *backwards* | ||
1050 | * That side of it is up to the card driver not us to cope with. | ||
1051 | * | ||
1052 | */ | ||
1053 | |||
1054 | static int eapd_control(struct ac97_codec * codec, int on) | ||
1055 | { | ||
1056 | if(on) | ||
1057 | codec->codec_write(codec, AC97_POWER_CONTROL, | ||
1058 | codec->codec_read(codec, AC97_POWER_CONTROL)|0x8000); | ||
1059 | else | ||
1060 | codec->codec_write(codec, AC97_POWER_CONTROL, | ||
1061 | codec->codec_read(codec, AC97_POWER_CONTROL)&~0x8000); | ||
1062 | return 0; | ||
1063 | } | ||
1064 | |||
1065 | static int generic_digital_control(struct ac97_codec *codec, int slots, int rate, int mode) | ||
1066 | { | ||
1067 | u16 reg; | ||
1068 | |||
1069 | reg = codec->codec_read(codec, AC97_SPDIF_CONTROL); | ||
1070 | |||
1071 | switch(rate) | ||
1072 | { | ||
1073 | /* Off by default */ | ||
1074 | default: | ||
1075 | case 0: | ||
1076 | reg = codec->codec_read(codec, AC97_EXTENDED_STATUS); | ||
1077 | codec->codec_write(codec, AC97_EXTENDED_STATUS, (reg & ~AC97_EA_SPDIF)); | ||
1078 | if(rate == 0) | ||
1079 | return 0; | ||
1080 | return -EINVAL; | ||
1081 | case 1: | ||
1082 | reg = (reg & AC97_SC_SPSR_MASK) | AC97_SC_SPSR_48K; | ||
1083 | break; | ||
1084 | case 2: | ||
1085 | reg = (reg & AC97_SC_SPSR_MASK) | AC97_SC_SPSR_44K; | ||
1086 | break; | ||
1087 | case 3: | ||
1088 | reg = (reg & AC97_SC_SPSR_MASK) | AC97_SC_SPSR_32K; | ||
1089 | break; | ||
1090 | } | ||
1091 | |||
1092 | reg &= ~AC97_SC_CC_MASK; | ||
1093 | reg |= (mode & AUDIO_CCMASK) << 6; | ||
1094 | |||
1095 | if(mode & AUDIO_DIGITAL) | ||
1096 | reg |= 2; | ||
1097 | if(mode & AUDIO_PRO) | ||
1098 | reg |= 1; | ||
1099 | if(mode & AUDIO_DRS) | ||
1100 | reg |= 0x4000; | ||
1101 | |||
1102 | codec->codec_write(codec, AC97_SPDIF_CONTROL, reg); | ||
1103 | |||
1104 | reg = codec->codec_read(codec, AC97_EXTENDED_STATUS); | ||
1105 | reg &= (AC97_EA_SLOT_MASK); | ||
1106 | reg |= AC97_EA_VRA | AC97_EA_SPDIF | slots; | ||
1107 | codec->codec_write(codec, AC97_EXTENDED_STATUS, reg); | ||
1108 | |||
1109 | reg = codec->codec_read(codec, AC97_EXTENDED_STATUS); | ||
1110 | if(!(reg & 0x0400)) | ||
1111 | { | ||
1112 | codec->codec_write(codec, AC97_EXTENDED_STATUS, reg & ~ AC97_EA_SPDIF); | ||
1113 | return -EINVAL; | ||
1114 | } | ||
1115 | return 0; | ||
1116 | } | ||
1117 | |||
1118 | /* | ||
1119 | * Crystal digital audio control (CS4299) | ||
1120 | */ | ||
1121 | |||
1122 | static int crystal_digital_control(struct ac97_codec *codec, int slots, int rate, int mode) | ||
1123 | { | ||
1124 | u16 cv; | ||
1125 | |||
1126 | if(mode & AUDIO_DIGITAL) | ||
1127 | return -EINVAL; | ||
1128 | |||
1129 | switch(rate) | ||
1130 | { | ||
1131 | case 0: cv = 0x0; break; /* SPEN off */ | ||
1132 | case 48000: cv = 0x8004; break; /* 48KHz digital */ | ||
1133 | case 44100: cv = 0x8104; break; /* 44.1KHz digital */ | ||
1134 | case 32768: /* 32Khz */ | ||
1135 | default: | ||
1136 | return -EINVAL; | ||
1137 | } | ||
1138 | codec->codec_write(codec, 0x68, cv); | ||
1139 | return 0; | ||
1140 | } | ||
1141 | |||
1142 | /* | ||
1143 | * CMedia digital audio control | ||
1144 | * Needs more work. | ||
1145 | */ | ||
1146 | |||
1147 | static int cmedia_digital_control(struct ac97_codec *codec, int slots, int rate, int mode) | ||
1148 | { | ||
1149 | u16 cv; | ||
1150 | |||
1151 | if(mode & AUDIO_DIGITAL) | ||
1152 | return -EINVAL; | ||
1153 | |||
1154 | switch(rate) | ||
1155 | { | ||
1156 | case 0: cv = 0x0001; break; /* SPEN off */ | ||
1157 | case 48000: cv = 0x0009; break; /* 48KHz digital */ | ||
1158 | default: | ||
1159 | return -EINVAL; | ||
1160 | } | ||
1161 | codec->codec_write(codec, 0x2A, 0x05c4); | ||
1162 | codec->codec_write(codec, 0x6C, cv); | ||
1163 | |||
1164 | /* Switch on mix to surround */ | ||
1165 | cv = codec->codec_read(codec, 0x64); | ||
1166 | cv &= ~0x0200; | ||
1167 | if(mode) | ||
1168 | cv |= 0x0200; | ||
1169 | codec->codec_write(codec, 0x64, cv); | ||
1170 | return 0; | ||
1171 | } | ||
1172 | |||
1173 | |||
1174 | /* copied from drivers/sound/maestro.c */ | ||
1175 | #if 0 /* there has been 1 person on the planet with a pt101 that we | ||
1176 | know of. If they care, they can put this back in :) */ | ||
1177 | static int pt101_init(struct ac97_codec * codec) | ||
1178 | { | ||
1179 | printk(KERN_INFO "ac97_codec: PT101 Codec detected, initializing but _not_ installing mixer device.\n"); | ||
1180 | /* who knows.. */ | ||
1181 | codec->codec_write(codec, 0x2A, 0x0001); | ||
1182 | codec->codec_write(codec, 0x2C, 0x0000); | ||
1183 | codec->codec_write(codec, 0x2C, 0xFFFF); | ||
1184 | codec->codec_write(codec, 0x10, 0x9F1F); | ||
1185 | codec->codec_write(codec, 0x12, 0x0808); | ||
1186 | codec->codec_write(codec, 0x14, 0x9F1F); | ||
1187 | codec->codec_write(codec, 0x16, 0x9F1F); | ||
1188 | codec->codec_write(codec, 0x18, 0x0404); | ||
1189 | codec->codec_write(codec, 0x1A, 0x0000); | ||
1190 | codec->codec_write(codec, 0x1C, 0x0000); | ||
1191 | codec->codec_write(codec, 0x02, 0x0404); | ||
1192 | codec->codec_write(codec, 0x04, 0x0808); | ||
1193 | codec->codec_write(codec, 0x0C, 0x801F); | ||
1194 | codec->codec_write(codec, 0x0E, 0x801F); | ||
1195 | return 0; | ||
1196 | } | ||
1197 | #endif | ||
1198 | |||
1199 | |||
1200 | EXPORT_SYMBOL(ac97_probe_codec); | ||
1201 | |||
1202 | MODULE_LICENSE("GPL"); | ||
1203 | |||