1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/slab.h> 26 #include <linux/mutex.h> 27 28 #include <sound/core.h> 29 #include <sound/ac97_codec.h> 30 #include <sound/asoundef.h> 31 #include "ac97_local.h" 32 #include "ac97_id.h" 33 34 /* 35 * proc interface 36 */ 37 38 static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer) 39 { 40 int header = 0, function; 41 unsigned short info, sense_info; 42 static const char *function_names[12] = { 43 "Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out", 44 "Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In", 45 "Aux In", "Mono Out" 46 }; 47 static const char *locations[8] = { 48 "Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External", 49 "reserved", "reserved", "reserved", "NC/unused" 50 }; 51 52 for (function = 0; function < 12; ++function) { 53 snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1); 54 info = snd_ac97_read(ac97, AC97_FUNC_INFO); 55 if (!(info & 0x0001)) 56 continue; 57 if (!header) { 58 snd_iprintf(buffer, "\n Gain Inverted Buffer delay Location\n"); 59 header = 1; 60 } 61 sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO); 62 snd_iprintf(buffer, "%-17s: %3d.%d dBV %c %2d/fs %s\n", 63 function_names[function], 64 (info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2, 65 ((info & 0x0800) >> 11) * 5, 66 info & 0x0400 ? 'X' : '-', 67 (info & 0x03e0) >> 5, 68 locations[sense_info >> 13]); 69 } 70 } 71 72 static const char *snd_ac97_stereo_enhancements[] = 73 { 74 /* 0 */ "No 3D Stereo Enhancement", 75 /* 1 */ "Analog Devices Phat Stereo", 76 /* 2 */ "Creative Stereo Enhancement", 77 /* 3 */ "National Semi 3D Stereo Enhancement", 78 /* 4 */ "YAMAHA Ymersion", 79 /* 5 */ "BBE 3D Stereo Enhancement", 80 /* 6 */ "Crystal Semi 3D Stereo Enhancement", 81 /* 7 */ "Qsound QXpander", 82 /* 8 */ "Spatializer 3D Stereo Enhancement", 83 /* 9 */ "SRS 3D Stereo Enhancement", 84 /* 10 */ "Platform Tech 3D Stereo Enhancement", 85 /* 11 */ "AKM 3D Audio", 86 /* 12 */ "Aureal Stereo Enhancement", 87 /* 13 */ "Aztech 3D Enhancement", 88 /* 14 */ "Binaura 3D Audio Enhancement", 89 /* 15 */ "ESS Technology Stereo Enhancement", 90 /* 16 */ "Harman International VMAx", 91 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement", 92 /* 18 */ "Philips Incredible Sound", 93 /* 19 */ "Texas Instruments 3D Stereo Enhancement", 94 /* 20 */ "VLSI Technology 3D Stereo Enhancement", 95 /* 21 */ "TriTech 3D Stereo Enhancement", 96 /* 22 */ "Realtek 3D Stereo Enhancement", 97 /* 23 */ "Samsung 3D Stereo Enhancement", 98 /* 24 */ "Wolfson Microelectronics 3D Enhancement", 99 /* 25 */ "Delta Integration 3D Enhancement", 100 /* 26 */ "SigmaTel 3D Enhancement", 101 /* 27 */ "IC Ensemble/KS Waves", 102 /* 28 */ "Rockwell 3D Stereo Enhancement", 103 /* 29 */ "Reserved 29", 104 /* 30 */ "Reserved 30", 105 /* 31 */ "Reserved 31" 106 }; 107 108 static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx) 109 { 110 char name[64]; 111 unsigned short val, tmp, ext, mext; 112 static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" }; 113 static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" }; 114 static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" }; 115 static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" }; 116 117 snd_ac97_get_name(NULL, ac97->id, name, 0); 118 snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name); 119 120 if ((ac97->scaps & AC97_SCAP_AUDIO) == 0) 121 goto __modem; 122 123 snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n", 124 ac97->subsystem_vendor); 125 snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n", 126 ac97->subsystem_device); 127 128 snd_iprintf(buffer, "Flags: %x\n", ac97->flags); 129 130 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) { 131 val = snd_ac97_read(ac97, AC97_INT_PAGING); 132 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 133 AC97_PAGE_MASK, AC97_PAGE_1); 134 tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV); 135 snd_iprintf(buffer, "Revision : 0x%02x\n", tmp & 0xff); 136 snd_iprintf(buffer, "Compat. Class : 0x%02x\n", (tmp >> 8) & 0x1f); 137 snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n", 138 snd_ac97_read(ac97, AC97_PCI_SVID)); 139 snd_iprintf(buffer, "Subsys. ID : 0x%04x\n\n", 140 snd_ac97_read(ac97, AC97_PCI_SID)); 141 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 142 AC97_PAGE_MASK, val & AC97_PAGE_MASK); 143 } 144 145 // val = snd_ac97_read(ac97, AC97_RESET); 146 val = ac97->caps; 147 snd_iprintf(buffer, "Capabilities :%s%s%s%s%s%s\n", 148 val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "", 149 val & AC97_BC_RESERVED1 ? " -reserved1-" : "", 150 val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "", 151 val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "", 152 val & AC97_BC_HEADPHONE ? " -headphone out-" : "", 153 val & AC97_BC_LOUDNESS ? " -loudness-" : ""); 154 tmp = ac97->caps & AC97_BC_DAC_MASK; 155 snd_iprintf(buffer, "DAC resolution : %s%s%s%s\n", 156 tmp == AC97_BC_16BIT_DAC ? "16-bit" : "", 157 tmp == AC97_BC_18BIT_DAC ? "18-bit" : "", 158 tmp == AC97_BC_20BIT_DAC ? "20-bit" : "", 159 tmp == AC97_BC_DAC_MASK ? "???" : ""); 160 tmp = ac97->caps & AC97_BC_ADC_MASK; 161 snd_iprintf(buffer, "ADC resolution : %s%s%s%s\n", 162 tmp == AC97_BC_16BIT_ADC ? "16-bit" : "", 163 tmp == AC97_BC_18BIT_ADC ? "18-bit" : "", 164 tmp == AC97_BC_20BIT_ADC ? "20-bit" : "", 165 tmp == AC97_BC_ADC_MASK ? "???" : ""); 166 snd_iprintf(buffer, "3D enhancement : %s\n", 167 snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]); 168 snd_iprintf(buffer, "\nCurrent setup\n"); 169 val = snd_ac97_read(ac97, AC97_MIC); 170 snd_iprintf(buffer, "Mic gain : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB"); 171 val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE); 172 snd_iprintf(buffer, "POP path : %s 3D\n" 173 "Sim. stereo : %s\n" 174 "3D enhancement : %s\n" 175 "Loudness : %s\n" 176 "Mono output : %s\n" 177 "Mic select : %s\n" 178 "ADC/DAC loopback : %s\n", 179 val & 0x8000 ? "post" : "pre", 180 val & 0x4000 ? "on" : "off", 181 val & 0x2000 ? "on" : "off", 182 val & 0x1000 ? "on" : "off", 183 val & 0x0200 ? "Mic" : "MIX", 184 val & 0x0100 ? "Mic2" : "Mic1", 185 val & 0x0080 ? "on" : "off"); 186 if (ac97->ext_id & AC97_EI_DRA) 187 snd_iprintf(buffer, "Double rate slots: %s\n", 188 double_rate_slots[(val >> 10) & 3]); 189 190 ext = snd_ac97_read(ac97, AC97_EXTENDED_ID); 191 if (ext == 0) 192 goto __modem; 193 194 snd_iprintf(buffer, "Extended ID : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n", 195 (ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT, 196 (ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT, 197 ext & AC97_EI_AMAP ? " AMAP" : "", 198 ext & AC97_EI_LDAC ? " LDAC" : "", 199 ext & AC97_EI_SDAC ? " SDAC" : "", 200 ext & AC97_EI_CDAC ? " CDAC" : "", 201 (ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT, 202 ext & AC97_EI_VRM ? " VRM" : "", 203 ext & AC97_EI_SPDIF ? " SPDIF" : "", 204 ext & AC97_EI_DRA ? " DRA" : "", 205 ext & AC97_EI_VRA ? " VRA" : ""); 206 val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS); 207 snd_iprintf(buffer, "Extended status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", 208 val & AC97_EA_PRL ? " PRL" : "", 209 val & AC97_EA_PRK ? " PRK" : "", 210 val & AC97_EA_PRJ ? " PRJ" : "", 211 val & AC97_EA_PRI ? " PRI" : "", 212 val & AC97_EA_SPCV ? " SPCV" : "", 213 val & AC97_EA_MDAC ? " MADC" : "", 214 val & AC97_EA_LDAC ? " LDAC" : "", 215 val & AC97_EA_SDAC ? " SDAC" : "", 216 val & AC97_EA_CDAC ? " CDAC" : "", 217 ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "", 218 val & AC97_EA_VRM ? " VRM" : "", 219 val & AC97_EA_SPDIF ? " SPDIF" : "", 220 val & AC97_EA_DRA ? " DRA" : "", 221 val & AC97_EA_VRA ? " VRA" : ""); 222 if (ext & AC97_EI_VRA) { /* VRA */ 223 val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE); 224 snd_iprintf(buffer, "PCM front DAC : %iHz\n", val); 225 if (ext & AC97_EI_SDAC) { 226 val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE); 227 snd_iprintf(buffer, "PCM Surr DAC : %iHz\n", val); 228 } 229 if (ext & AC97_EI_LDAC) { 230 val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE); 231 snd_iprintf(buffer, "PCM LFE DAC : %iHz\n", val); 232 } 233 val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE); 234 snd_iprintf(buffer, "PCM ADC : %iHz\n", val); 235 } 236 if (ext & AC97_EI_VRM) { 237 val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE); 238 snd_iprintf(buffer, "PCM MIC ADC : %iHz\n", val); 239 } 240 if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF) || 241 (ac97->id == AC97_ID_YMF743)) { 242 if (ac97->flags & AC97_CS_SPDIF) 243 val = snd_ac97_read(ac97, AC97_CSR_SPDIF); 244 else if (ac97->id == AC97_ID_YMF743) { 245 val = snd_ac97_read(ac97, AC97_YMF7X3_DIT_CTRL); 246 val = 0x2000 | (val & 0xff00) >> 4 | (val & 0x38) >> 2; 247 } else 248 val = snd_ac97_read(ac97, AC97_SPDIF); 249 250 snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n", 251 val & AC97_SC_PRO ? " PRO" : " Consumer", 252 val & AC97_SC_NAUDIO ? " Non-audio" : " PCM", 253 val & AC97_SC_COPY ? "" : " Copyright", 254 val & AC97_SC_PRE ? " Preemph50/15" : "", 255 (val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT, 256 (val & AC97_SC_L) >> 11, 257 (ac97->flags & AC97_CS_SPDIF) ? 258 spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] : 259 spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT], 260 (ac97->flags & AC97_CS_SPDIF) ? 261 (val & AC97_SC_DRS ? " Validity" : "") : 262 (val & AC97_SC_DRS ? " DRS" : ""), 263 (ac97->flags & AC97_CS_SPDIF) ? 264 (val & AC97_SC_V ? " Enabled" : "") : 265 (val & AC97_SC_V ? " Validity" : "")); 266 /* ALC650 specific*/ 267 if ((ac97->id & 0xfffffff0) == 0x414c4720 && 268 (snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) { 269 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2); 270 if (val & AC97_ALC650_CLOCK_LOCK) { 271 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1); 272 snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i", 273 val & AC97_ALC650_PRO ? " PRO" : " Consumer", 274 val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM", 275 val & AC97_ALC650_COPY ? "" : " Copyright", 276 val & AC97_ALC650_PRE ? " Preemph50/15" : "", 277 (val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT, 278 (val & AC97_ALC650_L) >> 15); 279 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2); 280 snd_iprintf(buffer, "%s Accuracy=%i%s%s\n", 281 spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT], 282 (val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT, 283 (val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"), 284 (val & AC97_ALC650_V ? " Validity?" : "")); 285 } else { 286 snd_iprintf(buffer, "SPDIF In Status : Not Locked\n"); 287 } 288 } 289 } 290 if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) { 291 val = snd_ac97_read(ac97, AC97_INT_PAGING); 292 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 293 AC97_PAGE_MASK, AC97_PAGE_1); 294 snd_ac97_proc_read_functions(ac97, buffer); 295 snd_ac97_update_bits(ac97, AC97_INT_PAGING, 296 AC97_PAGE_MASK, val & AC97_PAGE_MASK); 297 } 298 299 300 __modem: 301 mext = snd_ac97_read(ac97, AC97_EXTENDED_MID); 302 if (mext == 0) 303 return; 304 305 snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n", 306 (mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT, 307 mext & AC97_MEI_CID2 ? " CID2" : "", 308 mext & AC97_MEI_CID1 ? " CID1" : "", 309 mext & AC97_MEI_HANDSET ? " HSET" : "", 310 mext & AC97_MEI_LINE2 ? " LIN2" : "", 311 mext & AC97_MEI_LINE1 ? " LIN1" : ""); 312 val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS); 313 snd_iprintf(buffer, "Modem status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", 314 val & AC97_MEA_GPIO ? " GPIO" : "", 315 val & AC97_MEA_MREF ? " MREF" : "", 316 val & AC97_MEA_ADC1 ? " ADC1" : "", 317 val & AC97_MEA_DAC1 ? " DAC1" : "", 318 val & AC97_MEA_ADC2 ? " ADC2" : "", 319 val & AC97_MEA_DAC2 ? " DAC2" : "", 320 val & AC97_MEA_HADC ? " HADC" : "", 321 val & AC97_MEA_HDAC ? " HDAC" : "", 322 val & AC97_MEA_PRA ? " PRA(GPIO)" : "", 323 val & AC97_MEA_PRB ? " PRB(res)" : "", 324 val & AC97_MEA_PRC ? " PRC(ADC1)" : "", 325 val & AC97_MEA_PRD ? " PRD(DAC1)" : "", 326 val & AC97_MEA_PRE ? " PRE(ADC2)" : "", 327 val & AC97_MEA_PRF ? " PRF(DAC2)" : "", 328 val & AC97_MEA_PRG ? " PRG(HADC)" : "", 329 val & AC97_MEA_PRH ? " PRH(HDAC)" : ""); 330 if (mext & AC97_MEI_LINE1) { 331 val = snd_ac97_read(ac97, AC97_LINE1_RATE); 332 snd_iprintf(buffer, "Line1 rate : %iHz\n", val); 333 } 334 if (mext & AC97_MEI_LINE2) { 335 val = snd_ac97_read(ac97, AC97_LINE2_RATE); 336 snd_iprintf(buffer, "Line2 rate : %iHz\n", val); 337 } 338 if (mext & AC97_MEI_HANDSET) { 339 val = snd_ac97_read(ac97, AC97_HANDSET_RATE); 340 snd_iprintf(buffer, "Headset rate : %iHz\n", val); 341 } 342 } 343 344 static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 345 { 346 struct snd_ac97 *ac97 = entry->private_data; 347 348 mutex_lock(&ac97->page_mutex); 349 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86 350 int idx; 351 for (idx = 0; idx < 3; idx++) 352 if (ac97->spec.ad18xx.id[idx]) { 353 /* select single codec */ 354 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 355 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); 356 snd_ac97_proc_read_main(ac97, buffer, idx); 357 snd_iprintf(buffer, "\n\n"); 358 } 359 /* select all codecs */ 360 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000); 361 362 snd_iprintf(buffer, "\nAD18XX configuration\n"); 363 snd_iprintf(buffer, "Unchained : 0x%04x,0x%04x,0x%04x\n", 364 ac97->spec.ad18xx.unchained[0], 365 ac97->spec.ad18xx.unchained[1], 366 ac97->spec.ad18xx.unchained[2]); 367 snd_iprintf(buffer, "Chained : 0x%04x,0x%04x,0x%04x\n", 368 ac97->spec.ad18xx.chained[0], 369 ac97->spec.ad18xx.chained[1], 370 ac97->spec.ad18xx.chained[2]); 371 } else { 372 snd_ac97_proc_read_main(ac97, buffer, 0); 373 } 374 mutex_unlock(&ac97->page_mutex); 375 } 376 377 #ifdef CONFIG_SND_DEBUG 378 /* direct register write for debugging */ 379 static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 380 { 381 struct snd_ac97 *ac97 = entry->private_data; 382 char line[64]; 383 unsigned int reg, val; 384 mutex_lock(&ac97->page_mutex); 385 while (!snd_info_get_line(buffer, line, sizeof(line))) { 386 if (sscanf(line, "%x %x", ®, &val) != 2) 387 continue; 388 /* register must be even */ 389 if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff) 390 snd_ac97_write_cache(ac97, reg, val); 391 } 392 mutex_unlock(&ac97->page_mutex); 393 } 394 #endif 395 396 static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx) 397 { 398 int reg, val; 399 400 for (reg = 0; reg < 0x80; reg += 2) { 401 val = snd_ac97_read(ac97, reg); 402 snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val); 403 } 404 } 405 406 static void snd_ac97_proc_regs_read(struct snd_info_entry *entry, 407 struct snd_info_buffer *buffer) 408 { 409 struct snd_ac97 *ac97 = entry->private_data; 410 411 mutex_lock(&ac97->page_mutex); 412 if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86 413 414 int idx; 415 for (idx = 0; idx < 3; idx++) 416 if (ac97->spec.ad18xx.id[idx]) { 417 /* select single codec */ 418 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 419 ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]); 420 snd_ac97_proc_regs_read_main(ac97, buffer, idx); 421 } 422 /* select all codecs */ 423 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000); 424 } else { 425 snd_ac97_proc_regs_read_main(ac97, buffer, 0); 426 } 427 mutex_unlock(&ac97->page_mutex); 428 } 429 430 void snd_ac97_proc_init(struct snd_ac97 * ac97) 431 { 432 struct snd_info_entry *entry; 433 char name[32]; 434 const char *prefix; 435 436 if (ac97->bus->proc == NULL) 437 return; 438 prefix = ac97_is_audio(ac97) ? "ac97" : "mc97"; 439 sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num); 440 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) { 441 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read); 442 if (snd_info_register(entry) < 0) { 443 snd_info_free_entry(entry); 444 entry = NULL; 445 } 446 } 447 ac97->proc = entry; 448 sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num); 449 if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) { 450 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read); 451 #ifdef CONFIG_SND_DEBUG 452 entry->mode |= S_IWUSR; 453 entry->c.text.write = snd_ac97_proc_regs_write; 454 #endif 455 if (snd_info_register(entry) < 0) { 456 snd_info_free_entry(entry); 457 entry = NULL; 458 } 459 } 460 ac97->proc_regs = entry; 461 } 462 463 void snd_ac97_proc_done(struct snd_ac97 * ac97) 464 { 465 snd_info_free_entry(ac97->proc_regs); 466 ac97->proc_regs = NULL; 467 snd_info_free_entry(ac97->proc); 468 ac97->proc = NULL; 469 } 470 471 void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus) 472 { 473 struct snd_info_entry *entry; 474 char name[32]; 475 476 sprintf(name, "codec97#%d", bus->num); 477 if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) { 478 entry->mode = S_IFDIR | S_IRUGO | S_IXUGO; 479 if (snd_info_register(entry) < 0) { 480 snd_info_free_entry(entry); 481 entry = NULL; 482 } 483 } 484 bus->proc = entry; 485 } 486 487 void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus) 488 { 489 snd_info_free_entry(bus->proc); 490 bus->proc = NULL; 491 } 492