1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h> 26 #include <linux/slab.h> 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 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) { 128 val = snd_ac97_read(ac97, AC97_INT_PAGING); 129 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 130 AC97_PAGE_MASK, AC97_PAGE_1); 131 tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV); 132 snd_iprintf(buffer, "Revision : 0x%02x\n", tmp & 0xff); 133 snd_iprintf(buffer, "Compat. Class : 0x%02x\n", (tmp >> 8) & 0x1f); 134 snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n", 135 snd_ac97_read(ac97, AC97_PCI_SVID)); 136 snd_iprintf(buffer, "Subsys. ID : 0x%04x\n\n", 137 snd_ac97_read(ac97, AC97_PCI_SID)); 138 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 139 AC97_PAGE_MASK, val & AC97_PAGE_MASK); 140 } 141 142 // val = snd_ac97_read(ac97, AC97_RESET); 143 val = ac97->caps; 144 snd_iprintf(buffer, "Capabilities :%s%s%s%s%s%s\n", 145 val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "", 146 val & AC97_BC_RESERVED1 ? " -reserved1-" : "", 147 val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "", 148 val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "", 149 val & AC97_BC_HEADPHONE ? " -headphone out-" : "", 150 val & AC97_BC_LOUDNESS ? " -loudness-" : ""); 151 tmp = ac97->caps & AC97_BC_DAC_MASK; 152 snd_iprintf(buffer, "DAC resolution : %s%s%s%s\n", 153 tmp == AC97_BC_16BIT_DAC ? "16-bit" : "", 154 tmp == AC97_BC_18BIT_DAC ? "18-bit" : "", 155 tmp == AC97_BC_20BIT_DAC ? "20-bit" : "", 156 tmp == AC97_BC_DAC_MASK ? "???" : ""); 157 tmp = ac97->caps & AC97_BC_ADC_MASK; 158 snd_iprintf(buffer, "ADC resolution : %s%s%s%s\n", 159 tmp == AC97_BC_16BIT_ADC ? "16-bit" : "", 160 tmp == AC97_BC_18BIT_ADC ? "18-bit" : "", 161 tmp == AC97_BC_20BIT_ADC ? "20-bit" : "", 162 tmp == AC97_BC_ADC_MASK ? "???" : ""); 163 snd_iprintf(buffer, "3D enhancement : %s\n", 164 snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]); 165 snd_iprintf(buffer, "\nCurrent setup\n"); 166 val = snd_ac97_read(ac97, AC97_MIC); 167 snd_iprintf(buffer, "Mic gain : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB"); 168 val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE); 169 snd_iprintf(buffer, "POP path : %s 3D\n" 170 "Sim. stereo : %s\n" 171 "3D enhancement : %s\n" 172 "Loudness : %s\n" 173 "Mono output : %s\n" 174 "Mic select : %s\n" 175 "ADC/DAC loopback : %s\n", 176 val & 0x8000 ? "post" : "pre", 177 val & 0x4000 ? "on" : "off", 178 val & 0x2000 ? "on" : "off", 179 val & 0x1000 ? "on" : "off", 180 val & 0x0200 ? "Mic" : "MIX", 181 val & 0x0100 ? "Mic2" : "Mic1", 182 val & 0x0080 ? "on" : "off"); 183 if (ac97->ext_id & AC97_EI_DRA) 184 snd_iprintf(buffer, "Double rate slots: %s\n", 185 double_rate_slots[(val >> 10) & 3]); 186 187 ext = snd_ac97_read(ac97, AC97_EXTENDED_ID); 188 if (ext == 0) 189 goto __modem; 190 191 snd_iprintf(buffer, "Extended ID : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n", 192 (ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT, 193 (ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT, 194 ext & AC97_EI_AMAP ? " AMAP" : "", 195 ext & AC97_EI_LDAC ? " LDAC" : "", 196 ext & AC97_EI_SDAC ? " SDAC" : "", 197 ext & AC97_EI_CDAC ? " CDAC" : "", 198 (ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT, 199 ext & AC97_EI_VRM ? " VRM" : "", 200 ext & AC97_EI_SPDIF ? " SPDIF" : "", 201 ext & AC97_EI_DRA ? " DRA" : "", 202 ext & AC97_EI_VRA ? " VRA" : ""); 203 val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 204 snd_iprintf(buffer, "Extended status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", 205 val & AC97_EA_PRL ? " PRL" : "", 206 val & AC97_EA_PRK ? " PRK" : "", 207 val & AC97_EA_PRJ ? " PRJ" : "", 208 val & AC97_EA_PRI ? " PRI" : "", 209 val & AC97_EA_SPCV ? " SPCV" : "", 210 val & AC97_EA_MDAC ? " MADC" : "", 211 val & AC97_EA_LDAC ? " LDAC" : "", 212 val & AC97_EA_SDAC ? " SDAC" : "", 213 val & AC97_EA_CDAC ? " CDAC" : "", 214 ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "", 215 val & AC97_EA_VRM ? " VRM" : "", 216 val & AC97_EA_SPDIF ? " SPDIF" : "", 217 val & AC97_EA_DRA ? " DRA" : "", 218 val & AC97_EA_VRA ? " VRA" : ""); 219 if (ext & AC97_EI_VRA) { /* VRA */ 220 val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE); 221 snd_iprintf(buffer, "PCM front DAC : %iHz\n", val); 222 if (ext & AC97_EI_SDAC) { 223 val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE); 224 snd_iprintf(buffer, "PCM Surr DAC : %iHz\n", val); 225 } 226 if (ext & AC97_EI_LDAC) { 227 val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE); 228 snd_iprintf(buffer, "PCM LFE DAC : %iHz\n", val); 229 } 230 val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE); 231 snd_iprintf(buffer, "PCM ADC : %iHz\n", val); 232 } 233 if (ext & AC97_EI_VRM) { 234 val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE); 235 snd_iprintf(buffer, "PCM MIC ADC : %iHz\n", val); 236 } 237 if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF)) { 238 if (ac97->flags & AC97_CS_SPDIF) 239 val = snd_ac97_read(ac97, AC97_CSR_SPDIF); 240 else 241 val = snd_ac97_read(ac97, AC97_SPDIF); 242 243 snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n", 244 val & AC97_SC_PRO ? " PRO" : " Consumer", 245 val & AC97_SC_NAUDIO ? " Non-audio" : " PCM", 246 val & AC97_SC_COPY ? "" : " Copyright", 247 val & AC97_SC_PRE ? " Preemph50/15" : "", 248 (val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT, 249 (val & AC97_SC_L) >> 11, 250 (ac97->flags & AC97_CS_SPDIF) ? 251 spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] : 252 spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT], 253 (ac97->flags & AC97_CS_SPDIF) ? 254 (val & AC97_SC_DRS ? " Validity" : "") : 255 (val & AC97_SC_DRS ? " DRS" : ""), 256 (ac97->flags & AC97_CS_SPDIF) ? 257 (val & AC97_SC_V ? " Enabled" : "") : 258 (val & AC97_SC_V ? " Validity" : "")); 259 /* ALC650 specific*/ 260 if ((ac97->id & 0xfffffff0) == 0x414c4720 && 261 (snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) { 262 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2); 263 if (val & AC97_ALC650_CLOCK_LOCK) { 264 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1); 265 snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i", 266 val & AC97_ALC650_PRO ? " PRO" : " Consumer", 267 val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM", 268 val & AC97_ALC650_COPY ? "" : " Copyright", 269 val & AC97_ALC650_PRE ? " Preemph50/15" : "", 270 (val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT, 271 (val & AC97_ALC650_L) >> 15); 272 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2); 273 snd_iprintf(buffer, "%s Accuracy=%i%s%s\n", 274 spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT], 275 (val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT, 276 (val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"), 277 (val & AC97_ALC650_V ? " Validity?" : "")); 278 } else { 279 snd_iprintf(buffer, "SPDIF In Status : Not Locked\n"); 280 } 281 } 282 } 283 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) { 284 val = snd_ac97_read(ac97, AC97_INT_PAGING); 285 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 286 AC97_PAGE_MASK, AC97_PAGE_1); 287 snd_ac97_proc_read_functions(ac97, buffer); 288 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 289 AC97_PAGE_MASK, val & AC97_PAGE_MASK); 290 } 291 292 293 __modem: 294 mext = snd_ac97_read(ac97, AC97_EXTENDED_MID); 295 if (mext == 0) 296 return; 297 298 snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n", 299 (mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT, 300 mext & AC97_MEI_CID2 ? " CID2" : "", 301 mext & AC97_MEI_CID1 ? " CID1" : "", 302 mext & AC97_MEI_HANDSET ? " HSET" : "", 303 mext & AC97_MEI_LINE2 ? " LIN2" : "", 304 mext & AC97_MEI_LINE1 ? " LIN1" : ""); 305 val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS); 306 snd_iprintf(buffer, "Modem status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", 307 val & AC97_MEA_GPIO ? " GPIO" : "", 308 val & AC97_MEA_MREF ? " MREF" : "", 309 val & AC97_MEA_ADC1 ? " ADC1" : "", 310 val & AC97_MEA_DAC1 ? " DAC1" : "", 311 val & AC97_MEA_ADC2 ? " ADC2" : "", 312 val & AC97_MEA_DAC2 ? " DAC2" : "", 313 val & AC97_MEA_HADC ? " HADC" : "", 314 val & AC97_MEA_HDAC ? " HDAC" : "", 315 val & AC97_MEA_PRA ? " PRA(GPIO)" : "", 316 val & AC97_MEA_PRB ? " PRB(res)" : "", 317 val & AC97_MEA_PRC ? " PRC(ADC1)" : "", 318 val & AC97_MEA_PRD ? " PRD(DAC1)" : "", 319 val & AC97_MEA_PRE ? " PRE(ADC2)" : "", 320 val & AC97_MEA_PRF ? " PRF(DAC2)" : "", 321 val & AC97_MEA_PRG ? " PRG(HADC)" : "", 322 val & AC97_MEA_PRH ? " PRH(HDAC)" : ""); 323 if (mext & AC97_MEI_LINE1) { 324 val = snd_ac97_read(ac97, AC97_LINE1_RATE); 325 snd_iprintf(buffer, "Line1 rate : %iHz\n", val); 326 } 327 if (mext & AC97_MEI_LINE2) { 328 val = snd_ac97_read(ac97, AC97_LINE2_RATE); 329 snd_iprintf(buffer, "Line2 rate : %iHz\n", val); 330 } 331 if (mext & AC97_MEI_HANDSET) { 332 val = snd_ac97_read(ac97, AC97_HANDSET_RATE); 333 snd_iprintf(buffer, "Headset rate : %iHz\n", val); 334 } 335 } 336 337 static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 338 { 339 struct snd_ac97 *ac97 = entry->private_data; 340 341 down(&ac97->page_mutex); 342 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86 343 int idx; 344 for (idx = 0; idx < 3; idx++) 345 if (ac97->spec.ad18xx.id[idx]) { 346 /* select single codec */ 347 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 348 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); 349 snd_ac97_proc_read_main(ac97, buffer, idx); 350 snd_iprintf(buffer, "\n\n"); 351 } 352 /* select all codecs */ 353 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000); 354 355 snd_iprintf(buffer, "\nAD18XX configuration\n"); 356 snd_iprintf(buffer, "Unchained : 0x%04x,0x%04x,0x%04x\n", 357 ac97->spec.ad18xx.unchained[0], 358 ac97->spec.ad18xx.unchained[1], 359 ac97->spec.ad18xx.unchained[2]); 360 snd_iprintf(buffer, "Chained : 0x%04x,0x%04x,0x%04x\n", 361 ac97->spec.ad18xx.chained[0], 362 ac97->spec.ad18xx.chained[1], 363 ac97->spec.ad18xx.chained[2]); 364 } else { 365 snd_ac97_proc_read_main(ac97, buffer, 0); 366 } 367 up(&ac97->page_mutex); 368 } 369 370 #ifdef CONFIG_SND_DEBUG 371 /* direct register write for debugging */ 372 static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 373 { 374 struct snd_ac97 *ac97 = entry->private_data; 375 char line[64]; 376 unsigned int reg, val; 377 down(&ac97->page_mutex); 378 while (!snd_info_get_line(buffer, line, sizeof(line))) { 379 if (sscanf(line, "%x %x", ®, &val) != 2) 380 continue; 381 /* register must be even */ 382 if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff) 383 snd_ac97_write_cache(ac97, reg, val); 384 } 385 up(&ac97->page_mutex); 386 } 387 #endif 388 389 static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx) 390 { 391 int reg, val; 392 393 for (reg = 0; reg < 0x80; reg += 2) { 394 val = snd_ac97_read(ac97, reg); 395 snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val); 396 } 397 } 398 399 static void snd_ac97_proc_regs_read(struct snd_info_entry *entry, 400 struct snd_info_buffer *buffer) 401 { 402 struct snd_ac97 *ac97 = entry->private_data; 403 404 down(&ac97->page_mutex); 405 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86 406 407 int idx; 408 for (idx = 0; idx < 3; idx++) 409 if (ac97->spec.ad18xx.id[idx]) { 410 /* select single codec */ 411 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 412 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); 413 snd_ac97_proc_regs_read_main(ac97, buffer, idx); 414 } 415 /* select all codecs */ 416 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000); 417 } else { 418 snd_ac97_proc_regs_read_main(ac97, buffer, 0); 419 } 420 up(&ac97->page_mutex); 421 } 422 423 void snd_ac97_proc_init(struct snd_ac97 * ac97) 424 { 425 struct snd_info_entry *entry; 426 char name[32]; 427 const char *prefix; 428 429 if (ac97->bus->proc == NULL) 430 return; 431 prefix = ac97_is_audio(ac97) ? "ac97" : "mc97"; 432 sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num); 433 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) { 434 snd_info_set_text_ops(entry, ac97, 1024, snd_ac97_proc_read); 435 if (snd_info_register(entry) < 0) { 436 snd_info_free_entry(entry); 437 entry = NULL; 438 } 439 } 440 ac97->proc = entry; 441 sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num); 442 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) { 443 snd_info_set_text_ops(entry, ac97, 1024, snd_ac97_proc_regs_read); 444 #ifdef CONFIG_SND_DEBUG 445 entry->mode |= S_IWUSR; 446 entry->c.text.write_size = 1024; 447 entry->c.text.write = snd_ac97_proc_regs_write; 448 #endif 449 if (snd_info_register(entry) < 0) { 450 snd_info_free_entry(entry); 451 entry = NULL; 452 } 453 } 454 ac97->proc_regs = entry; 455 } 456 457 void snd_ac97_proc_done(struct snd_ac97 * ac97) 458 { 459 if (ac97->proc_regs) { 460 snd_info_unregister(ac97->proc_regs); 461 ac97->proc_regs = NULL; 462 } 463 if (ac97->proc) { 464 snd_info_unregister(ac97->proc); 465 ac97->proc = NULL; 466 } 467 } 468 469 void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus) 470 { 471 struct snd_info_entry *entry; 472 char name[32]; 473 474 sprintf(name, "codec97#%d", bus->num); 475 if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) { 476 entry->mode = S_IFDIR | S_IRUGO | S_IXUGO; 477 if (snd_info_register(entry) < 0) { 478 snd_info_free_entry(entry); 479 entry = NULL; 480 } 481 } 482 bus->proc = entry; 483 } 484 485 void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus) 486 { 487 if (bus->proc) { 488 snd_info_unregister(bus->proc); 489 bus->proc = NULL; 490 } 491 } 492