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 <linux/mutex.h> 28 29#include <sound/core.h> 30#include <sound/ac97_codec.h> 31#include <sound/asoundef.h> 32#include "ac97_local.h" 33#include "ac97_id.h" 34 35/* 36 * proc interface 37 */ 38 39static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer) 40{ 41 int header = 0, function; 42 unsigned short info, sense_info; 43 static const char *function_names[12] = { 44 "Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out", 45 "Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In", 46 "Aux In", "Mono Out" 47 }; 48 static const char *locations[8] = { 49 "Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External", 50 "reserved", "reserved", "reserved", "NC/unused" 51 }; 52 53 for (function = 0; function < 12; ++function) { 54 snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1); 55 info = snd_ac97_read(ac97, AC97_FUNC_INFO); 56 if (!(info & 0x0001)) 57 continue; 58 if (!header) { 59 snd_iprintf(buffer, "\n Gain Inverted Buffer delay Location\n"); 60 header = 1; 61 } 62 sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO); 63 snd_iprintf(buffer, "%-17s: %3d.%d dBV %c %2d/fs %s\n", 64 function_names[function], 65 (info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2, 66 ((info & 0x0800) >> 11) * 5, 67 info & 0x0400 ? 'X' : '-', 68 (info & 0x03e0) >> 5, 69 locations[sense_info >> 13]); 70 } 71} 72 73static const char *snd_ac97_stereo_enhancements[] = 74{ 75 /* 0 */ "No 3D Stereo Enhancement", 76 /* 1 */ "Analog Devices Phat Stereo", 77 /* 2 */ "Creative Stereo Enhancement", 78 /* 3 */ "National Semi 3D Stereo Enhancement", 79 /* 4 */ "YAMAHA Ymersion", 80 /* 5 */ "BBE 3D Stereo Enhancement", 81 /* 6 */ "Crystal Semi 3D Stereo Enhancement", 82 /* 7 */ "Qsound QXpander", 83 /* 8 */ "Spatializer 3D Stereo Enhancement", 84 /* 9 */ "SRS 3D Stereo Enhancement", 85 /* 10 */ "Platform Tech 3D Stereo Enhancement", 86 /* 11 */ "AKM 3D Audio", 87 /* 12 */ "Aureal Stereo Enhancement", 88 /* 13 */ "Aztech 3D Enhancement", 89 /* 14 */ "Binaura 3D Audio Enhancement", 90 /* 15 */ "ESS Technology Stereo Enhancement", 91 /* 16 */ "Harman International VMAx", 92 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement", 93 /* 18 */ "Philips Incredible Sound", 94 /* 19 */ "Texas Instruments 3D Stereo Enhancement", 95 /* 20 */ "VLSI Technology 3D Stereo Enhancement", 96 /* 21 */ "TriTech 3D Stereo Enhancement", 97 /* 22 */ "Realtek 3D Stereo Enhancement", 98 /* 23 */ "Samsung 3D Stereo Enhancement", 99 /* 24 */ "Wolfson Microelectronics 3D Enhancement", 100 /* 25 */ "Delta Integration 3D Enhancement", 101 /* 26 */ "SigmaTel 3D Enhancement", 102 /* 27 */ "IC Ensemble/KS Waves", 103 /* 28 */ "Rockwell 3D Stereo Enhancement", 104 /* 29 */ "Reserved 29", 105 /* 30 */ "Reserved 30", 106 /* 31 */ "Reserved 31" 107}; 108 109static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx) 110{ 111 char name[64]; 112 unsigned short val, tmp, ext, mext; 113 static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" }; 114 static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" }; 115 static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" }; 116 static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" }; 117 118 snd_ac97_get_name(NULL, ac97->id, name, 0); 119 snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name); 120 121 if ((ac97->scaps & AC97_SCAP_AUDIO) == 0) 122 goto __modem; 123 124 snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n", 125 ac97->subsystem_vendor); 126 snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n", 127 ac97->subsystem_device); 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 if (ac97->flags & AC97_CS_SPDIF) 241 val = snd_ac97_read(ac97, AC97_CSR_SPDIF); 242 else 243 val = snd_ac97_read(ac97, AC97_SPDIF); 244 245 snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n", 246 val & AC97_SC_PRO ? " PRO" : " Consumer", 247 val & AC97_SC_NAUDIO ? " Non-audio" : " PCM", 248 val & AC97_SC_COPY ? "" : " Copyright", 249 val & AC97_SC_PRE ? " Preemph50/15" : "", 250 (val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT, 251 (val & AC97_SC_L) >> 11, 252 (ac97->flags & AC97_CS_SPDIF) ? 253 spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] : 254 spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT], 255 (ac97->flags & AC97_CS_SPDIF) ? 256 (val & AC97_SC_DRS ? " Validity" : "") : 257 (val & AC97_SC_DRS ? " DRS" : ""), 258 (ac97->flags & AC97_CS_SPDIF) ? 259 (val & AC97_SC_V ? " Enabled" : "") : 260 (val & AC97_SC_V ? " Validity" : "")); 261 /* ALC650 specific*/ 262 if ((ac97->id & 0xfffffff0) == 0x414c4720 && 263 (snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) { 264 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2); 265 if (val & AC97_ALC650_CLOCK_LOCK) { 266 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1); 267 snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i", 268 val & AC97_ALC650_PRO ? " PRO" : " Consumer", 269 val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM", 270 val & AC97_ALC650_COPY ? "" : " Copyright", 271 val & AC97_ALC650_PRE ? " Preemph50/15" : "", 272 (val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT, 273 (val & AC97_ALC650_L) >> 15); 274 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2); 275 snd_iprintf(buffer, "%s Accuracy=%i%s%s\n", 276 spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT], 277 (val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT, 278 (val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"), 279 (val & AC97_ALC650_V ? " Validity?" : "")); 280 } else { 281 snd_iprintf(buffer, "SPDIF In Status : Not Locked\n"); 282 } 283 } 284 } 285 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) { 286 val = snd_ac97_read(ac97, AC97_INT_PAGING); 287 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 288 AC97_PAGE_MASK, AC97_PAGE_1); 289 snd_ac97_proc_read_functions(ac97, buffer); 290 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 291 AC97_PAGE_MASK, val & AC97_PAGE_MASK); 292 } 293 294 295 __modem: 296 mext = snd_ac97_read(ac97, AC97_EXTENDED_MID); 297 if (mext == 0) 298 return; 299 300 snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n", 301 (mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT, 302 mext & AC97_MEI_CID2 ? " CID2" : "", 303 mext & AC97_MEI_CID1 ? " CID1" : "", 304 mext & AC97_MEI_HANDSET ? " HSET" : "", 305 mext & AC97_MEI_LINE2 ? " LIN2" : "", 306 mext & AC97_MEI_LINE1 ? " LIN1" : ""); 307 val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS); 308 snd_iprintf(buffer, "Modem status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", 309 val & AC97_MEA_GPIO ? " GPIO" : "", 310 val & AC97_MEA_MREF ? " MREF" : "", 311 val & AC97_MEA_ADC1 ? " ADC1" : "", 312 val & AC97_MEA_DAC1 ? " DAC1" : "", 313 val & AC97_MEA_ADC2 ? " ADC2" : "", 314 val & AC97_MEA_DAC2 ? " DAC2" : "", 315 val & AC97_MEA_HADC ? " HADC" : "", 316 val & AC97_MEA_HDAC ? " HDAC" : "", 317 val & AC97_MEA_PRA ? " PRA(GPIO)" : "", 318 val & AC97_MEA_PRB ? " PRB(res)" : "", 319 val & AC97_MEA_PRC ? " PRC(ADC1)" : "", 320 val & AC97_MEA_PRD ? " PRD(DAC1)" : "", 321 val & AC97_MEA_PRE ? " PRE(ADC2)" : "", 322 val & AC97_MEA_PRF ? " PRF(DAC2)" : "", 323 val & AC97_MEA_PRG ? " PRG(HADC)" : "", 324 val & AC97_MEA_PRH ? " PRH(HDAC)" : ""); 325 if (mext & AC97_MEI_LINE1) { 326 val = snd_ac97_read(ac97, AC97_LINE1_RATE); 327 snd_iprintf(buffer, "Line1 rate : %iHz\n", val); 328 } 329 if (mext & AC97_MEI_LINE2) { 330 val = snd_ac97_read(ac97, AC97_LINE2_RATE); 331 snd_iprintf(buffer, "Line2 rate : %iHz\n", val); 332 } 333 if (mext & AC97_MEI_HANDSET) { 334 val = snd_ac97_read(ac97, AC97_HANDSET_RATE); 335 snd_iprintf(buffer, "Headset rate : %iHz\n", val); 336 } 337} 338 339static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 340{ 341 struct snd_ac97 *ac97 = entry->private_data; 342 343 mutex_lock(&ac97->page_mutex); 344 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86 345 int idx; 346 for (idx = 0; idx < 3; idx++) 347 if (ac97->spec.ad18xx.id[idx]) { 348 /* select single codec */ 349 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 350 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); 351 snd_ac97_proc_read_main(ac97, buffer, idx); 352 snd_iprintf(buffer, "\n\n"); 353 } 354 /* select all codecs */ 355 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000); 356 357 snd_iprintf(buffer, "\nAD18XX configuration\n"); 358 snd_iprintf(buffer, "Unchained : 0x%04x,0x%04x,0x%04x\n", 359 ac97->spec.ad18xx.unchained[0], 360 ac97->spec.ad18xx.unchained[1], 361 ac97->spec.ad18xx.unchained[2]); 362 snd_iprintf(buffer, "Chained : 0x%04x,0x%04x,0x%04x\n", 363 ac97->spec.ad18xx.chained[0], 364 ac97->spec.ad18xx.chained[1], 365 ac97->spec.ad18xx.chained[2]); 366 } else { 367 snd_ac97_proc_read_main(ac97, buffer, 0); 368 } 369 mutex_unlock(&ac97->page_mutex); 370} 371 372#ifdef CONFIG_SND_DEBUG 373/* direct register write for debugging */ 374static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 375{ 376 struct snd_ac97 *ac97 = entry->private_data; 377 char line[64]; 378 unsigned int reg, val; 379 mutex_lock(&ac97->page_mutex); 380 while (!snd_info_get_line(buffer, line, sizeof(line))) { 381 if (sscanf(line, "%x %x", ®, &val) != 2) 382 continue; 383 /* register must be even */ 384 if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff) 385 snd_ac97_write_cache(ac97, reg, val); 386 } 387 mutex_unlock(&ac97->page_mutex); 388} 389#endif 390 391static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx) 392{ 393 int reg, val; 394 395 for (reg = 0; reg < 0x80; reg += 2) { 396 val = snd_ac97_read(ac97, reg); 397 snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val); 398 } 399} 400 401static void snd_ac97_proc_regs_read(struct snd_info_entry *entry, 402 struct snd_info_buffer *buffer) 403{ 404 struct snd_ac97 *ac97 = entry->private_data; 405 406 mutex_lock(&ac97->page_mutex); 407 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86 408 409 int idx; 410 for (idx = 0; idx < 3; idx++) 411 if (ac97->spec.ad18xx.id[idx]) { 412 /* select single codec */ 413 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 414 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); 415 snd_ac97_proc_regs_read_main(ac97, buffer, idx); 416 } 417 /* select all codecs */ 418 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000); 419 } else { 420 snd_ac97_proc_regs_read_main(ac97, buffer, 0); 421 } 422 mutex_unlock(&ac97->page_mutex); 423} 424 425void snd_ac97_proc_init(struct snd_ac97 * ac97) 426{ 427 struct snd_info_entry *entry; 428 char name[32]; 429 const char *prefix; 430 431 if (ac97->bus->proc == NULL) 432 return; 433 prefix = ac97_is_audio(ac97) ? "ac97" : "mc97"; 434 sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num); 435 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) { 436 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read); 437 if (snd_info_register(entry) < 0) { 438 snd_info_free_entry(entry); 439 entry = NULL; 440 } 441 } 442 ac97->proc = entry; 443 sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num); 444 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) { 445 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read); 446#ifdef CONFIG_SND_DEBUG 447 entry->mode |= S_IWUSR; 448 entry->c.text.write = snd_ac97_proc_regs_write; 449#endif 450 if (snd_info_register(entry) < 0) { 451 snd_info_free_entry(entry); 452 entry = NULL; 453 } 454 } 455 ac97->proc_regs = entry; 456} 457 458void snd_ac97_proc_done(struct snd_ac97 * ac97) 459{ 460 snd_info_free_entry(ac97->proc_regs); 461 ac97->proc_regs = NULL; 462 snd_info_free_entry(ac97->proc); 463 ac97->proc = NULL; 464} 465 466void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus) 467{ 468 struct snd_info_entry *entry; 469 char name[32]; 470 471 sprintf(name, "codec97#%d", bus->num); 472 if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) { 473 entry->mode = S_IFDIR | S_IRUGO | S_IXUGO; 474 if (snd_info_register(entry) < 0) { 475 snd_info_free_entry(entry); 476 entry = NULL; 477 } 478 } 479 bus->proc = entry; 480} 481 482void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus) 483{ 484 snd_info_free_entry(bus->proc); 485 bus->proc = NULL; 486} 487