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block: fix module reference leak on put_disk() call for cgroups throttle
[linux/fpc-iii.git] / sound / pci / ac97 / ac97_proc.c
blob6320bf084e476a48d1a0bac92542337f3173f411
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/mutex.h>
26
27 #include <sound/core.h>
28 #include <sound/ac97_codec.h>
29 #include <sound/asoundef.h>
30 #include "ac97_local.h"
31 #include "ac97_id.h"
32
33 /*
34 * proc interface
35 */
36
37 static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer)
38 {
39 int header = 0, function;
40 unsigned short info, sense_info;
41 static const char *function_names[12] = {
42 "Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out",
43 "Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In",
44 "Aux In", "Mono Out"
45 };
46 static const char *locations[8] = {
47 "Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External",
48 "reserved", "reserved", "reserved", "NC/unused"
49 };
50
51 for (function = 0; function < 12; ++function) {
52 snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1);
53 info = snd_ac97_read(ac97, AC97_FUNC_INFO);
54 if (!(info & 0x0001))
55 continue;
56 if (!header) {
57 snd_iprintf(buffer, "\n Gain Inverted Buffer delay Location\n");
58 header = 1;
59 }
60 sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO);
61 snd_iprintf(buffer, "%-17s: %3d.%d dBV %c %2d/fs %s\n",
62 function_names[function],
63 (info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2,
64 ((info & 0x0800) >> 11) * 5,
65 info & 0x0400 ? 'X' : '-',
66 (info & 0x03e0) >> 5,
67 locations[sense_info >> 13]);
68 }
69 }
70
71 static const char *snd_ac97_stereo_enhancements[] =
72 {
73 /* 0 */ "No 3D Stereo Enhancement",
74 /* 1 */ "Analog Devices Phat Stereo",
75 /* 2 */ "Creative Stereo Enhancement",
76 /* 3 */ "National Semi 3D Stereo Enhancement",
77 /* 4 */ "YAMAHA Ymersion",
78 /* 5 */ "BBE 3D Stereo Enhancement",
79 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
80 /* 7 */ "Qsound QXpander",
81 /* 8 */ "Spatializer 3D Stereo Enhancement",
82 /* 9 */ "SRS 3D Stereo Enhancement",
83 /* 10 */ "Platform Tech 3D Stereo Enhancement",
84 /* 11 */ "AKM 3D Audio",
85 /* 12 */ "Aureal Stereo Enhancement",
86 /* 13 */ "Aztech 3D Enhancement",
87 /* 14 */ "Binaura 3D Audio Enhancement",
88 /* 15 */ "ESS Technology Stereo Enhancement",
89 /* 16 */ "Harman International VMAx",
90 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
91 /* 18 */ "Philips Incredible Sound",
92 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
93 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
94 /* 21 */ "TriTech 3D Stereo Enhancement",
95 /* 22 */ "Realtek 3D Stereo Enhancement",
96 /* 23 */ "Samsung 3D Stereo Enhancement",
97 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
98 /* 25 */ "Delta Integration 3D Enhancement",
99 /* 26 */ "SigmaTel 3D Enhancement",
100 /* 27 */ "IC Ensemble/KS Waves",
101 /* 28 */ "Rockwell 3D Stereo Enhancement",
102 /* 29 */ "Reserved 29",
103 /* 30 */ "Reserved 30",
104 /* 31 */ "Reserved 31"
105 };
106
107 static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
108 {
109 char name[64];
110 unsigned short val, tmp, ext, mext;
111 static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" };
112 static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" };
113 static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" };
114 static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" };
115
116 snd_ac97_get_name(NULL, ac97->id, name, 0);
117 snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name);
118
119 if ((ac97->scaps & AC97_SCAP_AUDIO) == 0)
120 goto __modem;
121
122 snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n",
123 ac97->subsystem_vendor);
124 snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n",
125 ac97->subsystem_device);
126
127 snd_iprintf(buffer, "Flags: %x\n", ac97->flags);
128
129 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
130 val = snd_ac97_read(ac97, AC97_INT_PAGING);
131 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
132 AC97_PAGE_MASK, AC97_PAGE_1);
133 tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV);
134 snd_iprintf(buffer, "Revision : 0x%02x\n", tmp & 0xff);
135 snd_iprintf(buffer, "Compat. Class : 0x%02x\n", (tmp >> 8) & 0x1f);
136 snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n",
137 snd_ac97_read(ac97, AC97_PCI_SVID));
138 snd_iprintf(buffer, "Subsys. ID : 0x%04x\n\n",
139 snd_ac97_read(ac97, AC97_PCI_SID));
140 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
141 AC97_PAGE_MASK, val & AC97_PAGE_MASK);
142 }
143
144 // val = snd_ac97_read(ac97, AC97_RESET);
145 val = ac97->caps;
146 snd_iprintf(buffer, "Capabilities :%s%s%s%s%s%s\n",
147 val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "",
148 val & AC97_BC_RESERVED1 ? " -reserved1-" : "",
149 val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "",
150 val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "",
151 val & AC97_BC_HEADPHONE ? " -headphone out-" : "",
152 val & AC97_BC_LOUDNESS ? " -loudness-" : "");
153 tmp = ac97->caps & AC97_BC_DAC_MASK;
154 snd_iprintf(buffer, "DAC resolution : %s%s%s%s\n",
155 tmp == AC97_BC_16BIT_DAC ? "16-bit" : "",
156 tmp == AC97_BC_18BIT_DAC ? "18-bit" : "",
157 tmp == AC97_BC_20BIT_DAC ? "20-bit" : "",
158 tmp == AC97_BC_DAC_MASK ? "???" : "");
159 tmp = ac97->caps & AC97_BC_ADC_MASK;
160 snd_iprintf(buffer, "ADC resolution : %s%s%s%s\n",
161 tmp == AC97_BC_16BIT_ADC ? "16-bit" : "",
162 tmp == AC97_BC_18BIT_ADC ? "18-bit" : "",
163 tmp == AC97_BC_20BIT_ADC ? "20-bit" : "",
164 tmp == AC97_BC_ADC_MASK ? "???" : "");
165 snd_iprintf(buffer, "3D enhancement : %s\n",
166 snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]);
167 snd_iprintf(buffer, "\nCurrent setup\n");
168 val = snd_ac97_read(ac97, AC97_MIC);
169 snd_iprintf(buffer, "Mic gain : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB");
170 val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE);
171 snd_iprintf(buffer, "POP path : %s 3D\n"
172 "Sim. stereo : %s\n"
173 "3D enhancement : %s\n"
174 "Loudness : %s\n"
175 "Mono output : %s\n"
176 "Mic select : %s\n"
177 "ADC/DAC loopback : %s\n",
178 val & 0x8000 ? "post" : "pre",
179 val & 0x4000 ? "on" : "off",
180 val & 0x2000 ? "on" : "off",
181 val & 0x1000 ? "on" : "off",
182 val & 0x0200 ? "Mic" : "MIX",
183 val & 0x0100 ? "Mic2" : "Mic1",
184 val & 0x0080 ? "on" : "off");
185 if (ac97->ext_id & AC97_EI_DRA)
186 snd_iprintf(buffer, "Double rate slots: %s\n",
187 double_rate_slots[(val >> 10) & 3]);
188
189 ext = snd_ac97_read(ac97, AC97_EXTENDED_ID);
190 if (ext == 0)
191 goto __modem;
192
193 snd_iprintf(buffer, "Extended ID : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n",
194 (ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT,
195 (ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT,
196 ext & AC97_EI_AMAP ? " AMAP" : "",
197 ext & AC97_EI_LDAC ? " LDAC" : "",
198 ext & AC97_EI_SDAC ? " SDAC" : "",
199 ext & AC97_EI_CDAC ? " CDAC" : "",
200 (ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT,
201 ext & AC97_EI_VRM ? " VRM" : "",
202 ext & AC97_EI_SPDIF ? " SPDIF" : "",
203 ext & AC97_EI_DRA ? " DRA" : "",
204 ext & AC97_EI_VRA ? " VRA" : "");
205 val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
206 snd_iprintf(buffer, "Extended status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
207 val & AC97_EA_PRL ? " PRL" : "",
208 val & AC97_EA_PRK ? " PRK" : "",
209 val & AC97_EA_PRJ ? " PRJ" : "",
210 val & AC97_EA_PRI ? " PRI" : "",
211 val & AC97_EA_SPCV ? " SPCV" : "",
212 val & AC97_EA_MDAC ? " MADC" : "",
213 val & AC97_EA_LDAC ? " LDAC" : "",
214 val & AC97_EA_SDAC ? " SDAC" : "",
215 val & AC97_EA_CDAC ? " CDAC" : "",
216 ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "",
217 val & AC97_EA_VRM ? " VRM" : "",
218 val & AC97_EA_SPDIF ? " SPDIF" : "",
219 val & AC97_EA_DRA ? " DRA" : "",
220 val & AC97_EA_VRA ? " VRA" : "");
221 if (ext & AC97_EI_VRA) { /* VRA */
222 val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE);
223 snd_iprintf(buffer, "PCM front DAC : %iHz\n", val);
224 if (ext & AC97_EI_SDAC) {
225 val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE);
226 snd_iprintf(buffer, "PCM Surr DAC : %iHz\n", val);
227 }
228 if (ext & AC97_EI_LDAC) {
229 val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE);
230 snd_iprintf(buffer, "PCM LFE DAC : %iHz\n", val);
231 }
232 val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE);
233 snd_iprintf(buffer, "PCM ADC : %iHz\n", val);
234 }
235 if (ext & AC97_EI_VRM) {
236 val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE);
237 snd_iprintf(buffer, "PCM MIC ADC : %iHz\n", val);
238 }
239 if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF) ||
240 (ac97->id == AC97_ID_YMF743)) {
241 if (ac97->flags & AC97_CS_SPDIF)
242 val = snd_ac97_read(ac97, AC97_CSR_SPDIF);
243 else if (ac97->id == AC97_ID_YMF743) {
244 val = snd_ac97_read(ac97, AC97_YMF7X3_DIT_CTRL);
245 val = 0x2000 | (val & 0xff00) >> 4 | (val & 0x38) >> 2;
246 } else
247 val = snd_ac97_read(ac97, AC97_SPDIF);
248
249 snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n",
250 val & AC97_SC_PRO ? " PRO" : " Consumer",
251 val & AC97_SC_NAUDIO ? " Non-audio" : " PCM",
252 val & AC97_SC_COPY ? "" : " Copyright",
253 val & AC97_SC_PRE ? " Preemph50/15" : "",
254 (val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT,
255 (val & AC97_SC_L) >> 11,
256 (ac97->flags & AC97_CS_SPDIF) ?
257 spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] :
258 spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT],
259 (ac97->flags & AC97_CS_SPDIF) ?
260 (val & AC97_SC_DRS ? " Validity" : "") :
261 (val & AC97_SC_DRS ? " DRS" : ""),
262 (ac97->flags & AC97_CS_SPDIF) ?
263 (val & AC97_SC_V ? " Enabled" : "") :
264 (val & AC97_SC_V ? " Validity" : ""));
265 /* ALC650 specific*/
266 if ((ac97->id & 0xfffffff0) == 0x414c4720 &&
267 (snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) {
268 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
269 if (val & AC97_ALC650_CLOCK_LOCK) {
270 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1);
271 snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i",
272 val & AC97_ALC650_PRO ? " PRO" : " Consumer",
273 val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM",
274 val & AC97_ALC650_COPY ? "" : " Copyright",
275 val & AC97_ALC650_PRE ? " Preemph50/15" : "",
276 (val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT,
277 (val & AC97_ALC650_L) >> 15);
278 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
279 snd_iprintf(buffer, "%s Accuracy=%i%s%s\n",
280 spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT],
281 (val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT,
282 (val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"),
283 (val & AC97_ALC650_V ? " Validity?" : ""));
284 } else {
285 snd_iprintf(buffer, "SPDIF In Status : Not Locked\n");
286 }
287 }
288 }
289 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
290 val = snd_ac97_read(ac97, AC97_INT_PAGING);
291 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
292 AC97_PAGE_MASK, AC97_PAGE_1);
293 snd_ac97_proc_read_functions(ac97, buffer);
294 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
295 AC97_PAGE_MASK, val & AC97_PAGE_MASK);
296 }
297
298
299 __modem:
300 mext = snd_ac97_read(ac97, AC97_EXTENDED_MID);
301 if (mext == 0)
302 return;
303
304 snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n",
305 (mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT,
306 mext & AC97_MEI_CID2 ? " CID2" : "",
307 mext & AC97_MEI_CID1 ? " CID1" : "",
308 mext & AC97_MEI_HANDSET ? " HSET" : "",
309 mext & AC97_MEI_LINE2 ? " LIN2" : "",
310 mext & AC97_MEI_LINE1 ? " LIN1" : "");
311 val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS);
312 snd_iprintf(buffer, "Modem status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
313 val & AC97_MEA_GPIO ? " GPIO" : "",
314 val & AC97_MEA_MREF ? " MREF" : "",
315 val & AC97_MEA_ADC1 ? " ADC1" : "",
316 val & AC97_MEA_DAC1 ? " DAC1" : "",
317 val & AC97_MEA_ADC2 ? " ADC2" : "",
318 val & AC97_MEA_DAC2 ? " DAC2" : "",
319 val & AC97_MEA_HADC ? " HADC" : "",
320 val & AC97_MEA_HDAC ? " HDAC" : "",
321 val & AC97_MEA_PRA ? " PRA(GPIO)" : "",
322 val & AC97_MEA_PRB ? " PRB(res)" : "",
323 val & AC97_MEA_PRC ? " PRC(ADC1)" : "",
324 val & AC97_MEA_PRD ? " PRD(DAC1)" : "",
325 val & AC97_MEA_PRE ? " PRE(ADC2)" : "",
326 val & AC97_MEA_PRF ? " PRF(DAC2)" : "",
327 val & AC97_MEA_PRG ? " PRG(HADC)" : "",
328 val & AC97_MEA_PRH ? " PRH(HDAC)" : "");
329 if (mext & AC97_MEI_LINE1) {
330 val = snd_ac97_read(ac97, AC97_LINE1_RATE);
331 snd_iprintf(buffer, "Line1 rate : %iHz\n", val);
332 }
333 if (mext & AC97_MEI_LINE2) {
334 val = snd_ac97_read(ac97, AC97_LINE2_RATE);
335 snd_iprintf(buffer, "Line2 rate : %iHz\n", val);
336 }
337 if (mext & AC97_MEI_HANDSET) {
338 val = snd_ac97_read(ac97, AC97_HANDSET_RATE);
339 snd_iprintf(buffer, "Headset rate : %iHz\n", val);
340 }
341 }
342
343 static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
344 {
345 struct snd_ac97 *ac97 = entry->private_data;
346
347 mutex_lock(&ac97->page_mutex);
348 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
349 int idx;
350 for (idx = 0; idx < 3; idx++)
351 if (ac97->spec.ad18xx.id[idx]) {
352 /* select single codec */
353 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
354 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
355 snd_ac97_proc_read_main(ac97, buffer, idx);
356 snd_iprintf(buffer, "\n\n");
357 }
358 /* select all codecs */
359 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
360
361 snd_iprintf(buffer, "\nAD18XX configuration\n");
362 snd_iprintf(buffer, "Unchained : 0x%04x,0x%04x,0x%04x\n",
363 ac97->spec.ad18xx.unchained[0],
364 ac97->spec.ad18xx.unchained[1],
365 ac97->spec.ad18xx.unchained[2]);
366 snd_iprintf(buffer, "Chained : 0x%04x,0x%04x,0x%04x\n",
367 ac97->spec.ad18xx.chained[0],
368 ac97->spec.ad18xx.chained[1],
369 ac97->spec.ad18xx.chained[2]);
370 } else {
371 snd_ac97_proc_read_main(ac97, buffer, 0);
372 }
373 mutex_unlock(&ac97->page_mutex);
374 }
375
376 #ifdef CONFIG_SND_DEBUG
377 /* direct register write for debugging */
378 static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
379 {
380 struct snd_ac97 *ac97 = entry->private_data;
381 char line[64];
382 unsigned int reg, val;
383 mutex_lock(&ac97->page_mutex);
384 while (!snd_info_get_line(buffer, line, sizeof(line))) {
385 if (sscanf(line, "%x %x", &reg, &val) != 2)
386 continue;
387 /* register must be even */
388 if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
389 snd_ac97_write_cache(ac97, reg, val);
390 }
391 mutex_unlock(&ac97->page_mutex);
392 }
393 #endif
394
395 static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
396 {
397 int reg, val;
398
399 for (reg = 0; reg < 0x80; reg += 2) {
400 val = snd_ac97_read(ac97, reg);
401 snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val);
402 }
403 }
404
405 static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
406 struct snd_info_buffer *buffer)
407 {
408 struct snd_ac97 *ac97 = entry->private_data;
409
410 mutex_lock(&ac97->page_mutex);
411 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
412
413 int idx;
414 for (idx = 0; idx < 3; idx++)
415 if (ac97->spec.ad18xx.id[idx]) {
416 /* select single codec */
417 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
418 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
419 snd_ac97_proc_regs_read_main(ac97, buffer, idx);
420 }
421 /* select all codecs */
422 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
423 } else {
424 snd_ac97_proc_regs_read_main(ac97, buffer, 0);
425 }
426 mutex_unlock(&ac97->page_mutex);
427 }
428
429 void snd_ac97_proc_init(struct snd_ac97 * ac97)
430 {
431 struct snd_info_entry *entry;
432 char name[32];
433 const char *prefix;
434
435 if (ac97->bus->proc == NULL)
436 return;
437 prefix = ac97_is_audio(ac97) ? "ac97" : "mc97";
438 sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num);
439 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
440 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read);
441 if (snd_info_register(entry) < 0) {
442 snd_info_free_entry(entry);
443 entry = NULL;
444 }
445 }
446 ac97->proc = entry;
447 sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num);
448 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
449 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read);
450 #ifdef CONFIG_SND_DEBUG
451 entry->mode |= S_IWUSR;
452 entry->c.text.write = snd_ac97_proc_regs_write;
453 #endif
454 if (snd_info_register(entry) < 0) {
455 snd_info_free_entry(entry);
456 entry = NULL;
457 }
458 }
459 ac97->proc_regs = entry;
460 }
461
462 void snd_ac97_proc_done(struct snd_ac97 * ac97)
463 {
464 snd_info_free_entry(ac97->proc_regs);
465 ac97->proc_regs = NULL;
466 snd_info_free_entry(ac97->proc);
467 ac97->proc = NULL;
468 }
469
470 void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus)
471 {
472 struct snd_info_entry *entry;
473 char name[32];
474
475 sprintf(name, "codec97#%d", bus->num);
476 if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) {
477 entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
478 if (snd_info_register(entry) < 0) {
479 snd_info_free_entry(entry);
480 entry = NULL;
481 }
482 }
483 bus->proc = entry;
484 }
485
486 void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus)
487 {
488 snd_info_free_entry(bus->proc);
489 bus->proc = NULL;
490 }
Linux with added FPC-III support