1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 * Universal interface for Audio Codec '97
5 *
6 * For more details look to AC '97 component specification revision 2.2
7 * by Intel Corporation (http://developer.intel.com).
8 */
9
10 #include <linux/mutex.h>
11
12 #include <sound/core.h>
13 #include <sound/ac97_codec.h>
14 #include <sound/asoundef.h>
15 #include "ac97_local.h"
16 #include "ac97_id.h"
17
18 /*
19 * proc interface
20 */
21
22 static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer)
23 {
24 int header = 0, function;
25 unsigned short info, sense_info;
26 static const char *function_names[12] = {
27 "Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out",
28 "Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In",
29 "Aux In", "Mono Out"
30 };
31 static const char *locations[8] = {
32 "Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External",
33 "reserved", "reserved", "reserved", "NC/unused"
34 };
35
36 for (function = 0; function < 12; ++function) {
37 snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1);
38 info = snd_ac97_read(ac97, AC97_FUNC_INFO);
39 if (!(info & 0x0001))
40 continue;
41 if (!header) {
42 snd_iprintf(buffer, "\n Gain Inverted Buffer delay Location\n");
43 header = 1;
44 }
45 sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO);
46 snd_iprintf(buffer, "%-17s: %3d.%d dBV %c %2d/fs %s\n",
47 function_names[function],
48 (info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2,
49 ((info & 0x0800) >> 11) * 5,
50 info & 0x0400 ? 'X' : '-',
51 (info & 0x03e0) >> 5,
52 locations[sense_info >> 13]);
53 }
54 }
55
56 static const char *snd_ac97_stereo_enhancements[] =
57 {
58 /* 0 */ "No 3D Stereo Enhancement",
59 /* 1 */ "Analog Devices Phat Stereo",
60 /* 2 */ "Creative Stereo Enhancement",
61 /* 3 */ "National Semi 3D Stereo Enhancement",
62 /* 4 */ "YAMAHA Ymersion",
63 /* 5 */ "BBE 3D Stereo Enhancement",
64 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
65 /* 7 */ "Qsound QXpander",
66 /* 8 */ "Spatializer 3D Stereo Enhancement",
67 /* 9 */ "SRS 3D Stereo Enhancement",
68 /* 10 */ "Platform Tech 3D Stereo Enhancement",
69 /* 11 */ "AKM 3D Audio",
70 /* 12 */ "Aureal Stereo Enhancement",
71 /* 13 */ "Aztech 3D Enhancement",
72 /* 14 */ "Binaura 3D Audio Enhancement",
73 /* 15 */ "ESS Technology Stereo Enhancement",
74 /* 16 */ "Harman International VMAx",
75 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
76 /* 18 */ "Philips Incredible Sound",
77 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
78 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
79 /* 21 */ "TriTech 3D Stereo Enhancement",
80 /* 22 */ "Realtek 3D Stereo Enhancement",
81 /* 23 */ "Samsung 3D Stereo Enhancement",
82 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
83 /* 25 */ "Delta Integration 3D Enhancement",
84 /* 26 */ "SigmaTel 3D Enhancement",
85 /* 27 */ "IC Ensemble/KS Waves",
86 /* 28 */ "Rockwell 3D Stereo Enhancement",
87 /* 29 */ "Reserved 29",
88 /* 30 */ "Reserved 30",
89 /* 31 */ "Reserved 31"
90 };
91
92 static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
93 {
94 char name[64];
95 unsigned short val, tmp, ext, mext;
96 static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" };
97 static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" };
98 static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" };
99 static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" };
100
101 snd_ac97_get_name(NULL, ac97->id, name, 0);
102 snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name);
103
104 if ((ac97->scaps & AC97_SCAP_AUDIO) == 0)
105 goto __modem;
106
107 snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n",
108 ac97->subsystem_vendor);
109 snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n",
110 ac97->subsystem_device);
111
112 snd_iprintf(buffer, "Flags: %x\n", ac97->flags);
113
114 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
115 val = snd_ac97_read(ac97, AC97_INT_PAGING);
116 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
117 AC97_PAGE_MASK, AC97_PAGE_1);
118 tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV);
119 snd_iprintf(buffer, "Revision : 0x%02x\n", tmp & 0xff);
120 snd_iprintf(buffer, "Compat. Class : 0x%02x\n", (tmp >> 8) & 0x1f);
121 snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n",
122 snd_ac97_read(ac97, AC97_PCI_SVID));
123 snd_iprintf(buffer, "Subsys. ID : 0x%04x\n\n",
124 snd_ac97_read(ac97, AC97_PCI_SID));
125 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
126 AC97_PAGE_MASK, val & AC97_PAGE_MASK);
127 }
128
129 // val = snd_ac97_read(ac97, AC97_RESET);
130 val = ac97->caps;
131 snd_iprintf(buffer, "Capabilities :%s%s%s%s%s%s\n",
132 val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "",
133 val & AC97_BC_RESERVED1 ? " -reserved1-" : "",
134 val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "",
135 val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "",
136 val & AC97_BC_HEADPHONE ? " -headphone out-" : "",
137 val & AC97_BC_LOUDNESS ? " -loudness-" : "");
138 tmp = ac97->caps & AC97_BC_DAC_MASK;
139 snd_iprintf(buffer, "DAC resolution : %s%s%s%s\n",
140 tmp == AC97_BC_16BIT_DAC ? "16-bit" : "",
141 tmp == AC97_BC_18BIT_DAC ? "18-bit" : "",
142 tmp == AC97_BC_20BIT_DAC ? "20-bit" : "",
143 tmp == AC97_BC_DAC_MASK ? "???" : "");
144 tmp = ac97->caps & AC97_BC_ADC_MASK;
145 snd_iprintf(buffer, "ADC resolution : %s%s%s%s\n",
146 tmp == AC97_BC_16BIT_ADC ? "16-bit" : "",
147 tmp == AC97_BC_18BIT_ADC ? "18-bit" : "",
148 tmp == AC97_BC_20BIT_ADC ? "20-bit" : "",
149 tmp == AC97_BC_ADC_MASK ? "???" : "");
150 snd_iprintf(buffer, "3D enhancement : %s\n",
151 snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]);
152 snd_iprintf(buffer, "\nCurrent setup\n");
153 val = snd_ac97_read(ac97, AC97_MIC);
154 snd_iprintf(buffer, "Mic gain : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB");
155 val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE);
156 snd_iprintf(buffer, "POP path : %s 3D\n"
157 "Sim. stereo : %s\n"
158 "3D enhancement : %s\n"
159 "Loudness : %s\n"
160 "Mono output : %s\n"
161 "Mic select : %s\n"
162 "ADC/DAC loopback : %s\n",
163 val & 0x8000 ? "post" : "pre",
164 val & 0x4000 ? "on" : "off",
165 val & 0x2000 ? "on" : "off",
166 val & 0x1000 ? "on" : "off",
167 val & 0x0200 ? "Mic" : "MIX",
168 val & 0x0100 ? "Mic2" : "Mic1",
169 val & 0x0080 ? "on" : "off");
170 if (ac97->ext_id & AC97_EI_DRA)
171 snd_iprintf(buffer, "Double rate slots: %s\n",
172 double_rate_slots[(val >> 10) & 3]);
173
174 ext = snd_ac97_read(ac97, AC97_EXTENDED_ID);
175 if (ext == 0)
176 goto __modem;
177
178 snd_iprintf(buffer, "Extended ID : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n",
179 (ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT,
180 (ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT,
181 ext & AC97_EI_AMAP ? " AMAP" : "",
182 ext & AC97_EI_LDAC ? " LDAC" : "",
183 ext & AC97_EI_SDAC ? " SDAC" : "",
184 ext & AC97_EI_CDAC ? " CDAC" : "",
185 (ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT,
186 ext & AC97_EI_VRM ? " VRM" : "",
187 ext & AC97_EI_SPDIF ? " SPDIF" : "",
188 ext & AC97_EI_DRA ? " DRA" : "",
189 ext & AC97_EI_VRA ? " VRA" : "");
190 val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
191 snd_iprintf(buffer, "Extended status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
192 val & AC97_EA_PRL ? " PRL" : "",
193 val & AC97_EA_PRK ? " PRK" : "",
194 val & AC97_EA_PRJ ? " PRJ" : "",
195 val & AC97_EA_PRI ? " PRI" : "",
196 val & AC97_EA_SPCV ? " SPCV" : "",
197 val & AC97_EA_MDAC ? " MADC" : "",
198 val & AC97_EA_LDAC ? " LDAC" : "",
199 val & AC97_EA_SDAC ? " SDAC" : "",
200 val & AC97_EA_CDAC ? " CDAC" : "",
201 ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "",
202 val & AC97_EA_VRM ? " VRM" : "",
203 val & AC97_EA_SPDIF ? " SPDIF" : "",
204 val & AC97_EA_DRA ? " DRA" : "",
205 val & AC97_EA_VRA ? " VRA" : "");
206 if (ext & AC97_EI_VRA) { /* VRA */
207 val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE);
208 snd_iprintf(buffer, "PCM front DAC : %iHz\n", val);
209 if (ext & AC97_EI_SDAC) {
210 val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE);
211 snd_iprintf(buffer, "PCM Surr DAC : %iHz\n", val);
212 }
213 if (ext & AC97_EI_LDAC) {
214 val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE);
215 snd_iprintf(buffer, "PCM LFE DAC : %iHz\n", val);
216 }
217 val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE);
218 snd_iprintf(buffer, "PCM ADC : %iHz\n", val);
219 }
220 if (ext & AC97_EI_VRM) {
221 val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE);
222 snd_iprintf(buffer, "PCM MIC ADC : %iHz\n", val);
223 }
224 if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF) ||
225 (ac97->id == AC97_ID_YMF743)) {
226 if (ac97->flags & AC97_CS_SPDIF)
227 val = snd_ac97_read(ac97, AC97_CSR_SPDIF);
228 else if (ac97->id == AC97_ID_YMF743) {
229 val = snd_ac97_read(ac97, AC97_YMF7X3_DIT_CTRL);
230 val = 0x2000 | (val & 0xff00) >> 4 | (val & 0x38) >> 2;
231 } else
232 val = snd_ac97_read(ac97, AC97_SPDIF);
233
234 snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n",
235 val & AC97_SC_PRO ? " PRO" : " Consumer",
236 val & AC97_SC_NAUDIO ? " Non-audio" : " PCM",
237 val & AC97_SC_COPY ? "" : " Copyright",
238 val & AC97_SC_PRE ? " Preemph50/15" : "",
239 (val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT,
240 (val & AC97_SC_L) >> 11,
241 (ac97->flags & AC97_CS_SPDIF) ?
242 spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] :
243 spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT],
244 (ac97->flags & AC97_CS_SPDIF) ?
245 (val & AC97_SC_DRS ? " Validity" : "") :
246 (val & AC97_SC_DRS ? " DRS" : ""),
247 (ac97->flags & AC97_CS_SPDIF) ?
248 (val & AC97_SC_V ? " Enabled" : "") :
249 (val & AC97_SC_V ? " Validity" : ""));
250 /* ALC650 specific*/
251 if ((ac97->id & 0xfffffff0) == 0x414c4720 &&
252 (snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) {
253 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
254 if (val & AC97_ALC650_CLOCK_LOCK) {
255 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1);
256 snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i",
257 val & AC97_ALC650_PRO ? " PRO" : " Consumer",
258 val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM",
259 val & AC97_ALC650_COPY ? "" : " Copyright",
260 val & AC97_ALC650_PRE ? " Preemph50/15" : "",
261 (val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT,
262 (val & AC97_ALC650_L) >> 15);
263 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
264 snd_iprintf(buffer, "%s Accuracy=%i%s%s\n",
265 spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT],
266 (val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT,
267 (val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"),
268 (val & AC97_ALC650_V ? " Validity?" : ""));
269 } else {
270 snd_iprintf(buffer, "SPDIF In Status : Not Locked\n");
271 }
272 }
273 }
274 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
275 val = snd_ac97_read(ac97, AC97_INT_PAGING);
276 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
277 AC97_PAGE_MASK, AC97_PAGE_1);
278 snd_ac97_proc_read_functions(ac97, buffer);
279 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
280 AC97_PAGE_MASK, val & AC97_PAGE_MASK);
281 }
282
283
284 __modem:
285 mext = snd_ac97_read(ac97, AC97_EXTENDED_MID);
286 if (mext == 0)
287 return;
288
289 snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n",
290 (mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT,
291 mext & AC97_MEI_CID2 ? " CID2" : "",
292 mext & AC97_MEI_CID1 ? " CID1" : "",
293 mext & AC97_MEI_HANDSET ? " HSET" : "",
294 mext & AC97_MEI_LINE2 ? " LIN2" : "",
295 mext & AC97_MEI_LINE1 ? " LIN1" : "");
296 val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS);
297 snd_iprintf(buffer, "Modem status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
298 val & AC97_MEA_GPIO ? " GPIO" : "",
299 val & AC97_MEA_MREF ? " MREF" : "",
300 val & AC97_MEA_ADC1 ? " ADC1" : "",
301 val & AC97_MEA_DAC1 ? " DAC1" : "",
302 val & AC97_MEA_ADC2 ? " ADC2" : "",
303 val & AC97_MEA_DAC2 ? " DAC2" : "",
304 val & AC97_MEA_HADC ? " HADC" : "",
305 val & AC97_MEA_HDAC ? " HDAC" : "",
306 val & AC97_MEA_PRA ? " PRA(GPIO)" : "",
307 val & AC97_MEA_PRB ? " PRB(res)" : "",
308 val & AC97_MEA_PRC ? " PRC(ADC1)" : "",
309 val & AC97_MEA_PRD ? " PRD(DAC1)" : "",
310 val & AC97_MEA_PRE ? " PRE(ADC2)" : "",
311 val & AC97_MEA_PRF ? " PRF(DAC2)" : "",
312 val & AC97_MEA_PRG ? " PRG(HADC)" : "",
313 val & AC97_MEA_PRH ? " PRH(HDAC)" : "");
314 if (mext & AC97_MEI_LINE1) {
315 val = snd_ac97_read(ac97, AC97_LINE1_RATE);
316 snd_iprintf(buffer, "Line1 rate : %iHz\n", val);
317 }
318 if (mext & AC97_MEI_LINE2) {
319 val = snd_ac97_read(ac97, AC97_LINE2_RATE);
320 snd_iprintf(buffer, "Line2 rate : %iHz\n", val);
321 }
322 if (mext & AC97_MEI_HANDSET) {
323 val = snd_ac97_read(ac97, AC97_HANDSET_RATE);
324 snd_iprintf(buffer, "Headset rate : %iHz\n", val);
325 }
326 }
327
328 static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
329 {
330 struct snd_ac97 *ac97 = entry->private_data;
331
332 mutex_lock(&ac97->page_mutex);
333 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
334 int idx;
335 for (idx = 0; idx < 3; idx++)
336 if (ac97->spec.ad18xx.id[idx]) {
337 /* select single codec */
338 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
339 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
340 snd_ac97_proc_read_main(ac97, buffer, idx);
341 snd_iprintf(buffer, "\n\n");
342 }
343 /* select all codecs */
344 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
345
346 snd_iprintf(buffer, "\nAD18XX configuration\n");
347 snd_iprintf(buffer, "Unchained : 0x%04x,0x%04x,0x%04x\n",
348 ac97->spec.ad18xx.unchained[0],
349 ac97->spec.ad18xx.unchained[1],
350 ac97->spec.ad18xx.unchained[2]);
351 snd_iprintf(buffer, "Chained : 0x%04x,0x%04x,0x%04x\n",
352 ac97->spec.ad18xx.chained[0],
353 ac97->spec.ad18xx.chained[1],
354 ac97->spec.ad18xx.chained[2]);
355 } else {
356 snd_ac97_proc_read_main(ac97, buffer, 0);
357 }
358 mutex_unlock(&ac97->page_mutex);
359 }
360
361 #ifdef CONFIG_SND_DEBUG
362 /* direct register write for debugging */
363 static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
364 {
365 struct snd_ac97 *ac97 = entry->private_data;
366 char line[64];
367 unsigned int reg, val;
368 mutex_lock(&ac97->page_mutex);
369 while (!snd_info_get_line(buffer, line, sizeof(line))) {
370 if (sscanf(line, "%x %x", ®, &val) != 2)
371 continue;
372 /* register must be even */
373 if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
374 snd_ac97_write_cache(ac97, reg, val);
375 }
376 mutex_unlock(&ac97->page_mutex);
377 }
378 #endif
379
380 static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
381 {
382 int reg, val;
383
384 for (reg = 0; reg < 0x80; reg += 2) {
385 val = snd_ac97_read(ac97, reg);
386 snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val);
387 }
388 }
389
390 static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
391 struct snd_info_buffer *buffer)
392 {
393 struct snd_ac97 *ac97 = entry->private_data;
394
395 mutex_lock(&ac97->page_mutex);
396 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
397
398 int idx;
399 for (idx = 0; idx < 3; idx++)
400 if (ac97->spec.ad18xx.id[idx]) {
401 /* select single codec */
402 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
403 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
404 snd_ac97_proc_regs_read_main(ac97, buffer, idx);
405 }
406 /* select all codecs */
407 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
408 } else {
409 snd_ac97_proc_regs_read_main(ac97, buffer, 0);
410 }
411 mutex_unlock(&ac97->page_mutex);
412 }
413
414 void snd_ac97_proc_init(struct snd_ac97 * ac97)
415 {
416 struct snd_info_entry *entry;
417 char name[32];
418 const char *prefix;
419
420 if (ac97->bus->proc == NULL)
421 return;
422 prefix = ac97_is_audio(ac97) ? "ac97" : "mc97";
423 sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num);
424 entry = snd_info_create_card_entry(ac97->bus->card, name,
425 ac97->bus->proc);
426 if (entry)
427 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read);
428 ac97->proc = entry;
429 sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num);
430 entry = snd_info_create_card_entry(ac97->bus->card, name,
431 ac97->bus->proc);
432 if (entry) {
433 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read);
434 #ifdef CONFIG_SND_DEBUG
435 entry->mode |= 0200;
436 entry->c.text.write = snd_ac97_proc_regs_write;
437 #endif
438 }
439 ac97->proc_regs = entry;
440 }
441
442 void snd_ac97_proc_done(struct snd_ac97 * ac97)
443 {
444 snd_info_free_entry(ac97->proc_regs);
445 ac97->proc_regs = NULL;
446 snd_info_free_entry(ac97->proc);
447 ac97->proc = NULL;
448 }
449
450 void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus)
451 {
452 struct snd_info_entry *entry;
453 char name[32];
454
455 sprintf(name, "codec97#%d", bus->num);
456 entry = snd_info_create_card_entry(bus->card, name,
457 bus->card->proc_root);
458 if (entry)
459 entry->mode = S_IFDIR | 0555;
460 bus->proc = entry;
461 }
462
463 void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus)
464 {
465 snd_info_free_entry(bus->proc);
466 bus->proc = NULL;
467 }
468
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