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ac97_proc.c
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linux-6.19.14/sound/pci/ac97/ac97_proc.c
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 22static 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 56static 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 92static 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, sizeof(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 str_on_off(val & 0x4000), 165 str_on_off(val & 0x2000), 166 str_on_off(val & 0x1000), 167 val & 0x0200 ? "Mic" : "MIX", 168 val & 0x0100 ? "Mic2" : "Mic1", 169 str_on_off(val & 0x0080)); 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 328static 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 guard(mutex)(&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} 359 360#ifdef CONFIG_SND_DEBUG 361/* direct register write for debugging */ 362static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 363{ 364 struct snd_ac97 *ac97 = entry->private_data; 365 char line[64]; 366 unsigned int reg, val; 367 368 guard(mutex)(&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} 377#endif 378 379static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx) 380{ 381 int reg, val; 382 383 for (reg = 0; reg < 0x80; reg += 2) { 384 val = snd_ac97_read(ac97, reg); 385 snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val); 386 } 387} 388 389static void snd_ac97_proc_regs_read(struct snd_info_entry *entry, 390 struct snd_info_buffer *buffer) 391{ 392 struct snd_ac97 *ac97 = entry->private_data; 393 394 guard(mutex)(&ac97->page_mutex); 395 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86 396 397 int idx; 398 for (idx = 0; idx < 3; idx++) 399 if (ac97->spec.ad18xx.id[idx]) { 400 /* select single codec */ 401 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 402 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); 403 snd_ac97_proc_regs_read_main(ac97, buffer, idx); 404 } 405 /* select all codecs */ 406 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000); 407 } else { 408 snd_ac97_proc_regs_read_main(ac97, buffer, 0); 409 } 410} 411 412void snd_ac97_proc_init(struct snd_ac97 * ac97) 413{ 414 struct snd_info_entry *entry; 415 char name[32]; 416 const char *prefix; 417 418 if (ac97->bus->proc == NULL) 419 return; 420 prefix = ac97_is_audio(ac97) ? "ac97" : "mc97"; 421 sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num); 422 entry = snd_info_create_card_entry(ac97->bus->card, name, 423 ac97->bus->proc); 424 if (entry) 425 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read); 426 ac97->proc = entry; 427 sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num); 428 entry = snd_info_create_card_entry(ac97->bus->card, name, 429 ac97->bus->proc); 430 if (entry) { 431 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read); 432#ifdef CONFIG_SND_DEBUG 433 entry->mode |= 0200; 434 entry->c.text.write = snd_ac97_proc_regs_write; 435#endif 436 } 437 ac97->proc_regs = entry; 438} 439 440void snd_ac97_proc_done(struct snd_ac97 * ac97) 441{ 442 snd_info_free_entry(ac97->proc_regs); 443 ac97->proc_regs = NULL; 444 snd_info_free_entry(ac97->proc); 445 ac97->proc = NULL; 446} 447 448void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus) 449{ 450 struct snd_info_entry *entry; 451 char name[32]; 452 453 sprintf(name, "codec97#%d", bus->num); 454 entry = snd_info_create_card_entry(bus->card, name, 455 bus->card->proc_root); 456 if (entry) 457 entry->mode = S_IFDIR | 0555; 458 bus->proc = entry; 459} 460 461void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus) 462{ 463 snd_info_free_entry(bus->proc); 464 bus->proc = NULL; 465}
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