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 = 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, value: 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, id: ac97->id, name, modem: 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, value: 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, value: 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, mask: 0x7000, |
339 | value: ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); |
340 | snd_ac97_proc_read_main(ac97, buffer, subidx: idx); |
341 | snd_iprintf(buffer, "\n\n" ); |
342 | } |
343 | /* select all codecs */ |
344 | snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, mask: 0x7000, value: 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, subidx: 0); |
357 | } |
358 | mutex_unlock(lock: &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, len: 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, value: val); |
375 | } |
376 | mutex_unlock(lock: &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, mask: 0x7000, |
403 | value: ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); |
404 | snd_ac97_proc_regs_read_main(ac97, buffer, subidx: idx); |
405 | } |
406 | /* select all codecs */ |
407 | snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, mask: 0x7000, value: 0x7000); |
408 | } else { |
409 | snd_ac97_proc_regs_read_main(ac97, buffer, subidx: 0); |
410 | } |
411 | mutex_unlock(lock: &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(buf: name, fmt: "%s#%d-%d" , prefix, ac97->addr, ac97->num); |
424 | entry = snd_info_create_card_entry(card: ac97->bus->card, name, |
425 | parent: ac97->bus->proc); |
426 | if (entry) |
427 | snd_info_set_text_ops(entry, private_data: ac97, read: snd_ac97_proc_read); |
428 | ac97->proc = entry; |
429 | sprintf(buf: name, fmt: "%s#%d-%d+regs" , prefix, ac97->addr, ac97->num); |
430 | entry = snd_info_create_card_entry(card: ac97->bus->card, name, |
431 | parent: ac97->bus->proc); |
432 | if (entry) { |
433 | snd_info_set_text_ops(entry, private_data: ac97, read: 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(entry: ac97->proc_regs); |
445 | ac97->proc_regs = NULL; |
446 | snd_info_free_entry(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(buf: name, fmt: "codec97#%d" , bus->num); |
456 | entry = snd_info_create_card_entry(card: bus->card, name, |
457 | parent: 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(entry: bus->proc); |
466 | bus->proc = NULL; |
467 | } |
468 | |