1/* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Routines for control of CS4231(A)/CS4232/InterWave & compatible chips 4 * 5 * Bugs: 6 * - sometimes record brokes playback with WSS portion of 7 * Yamaha OPL3-SA3 chip 8 * - CS4231 (GUS MAX) - still trouble with occasional noises 9 * - broken initialization? 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 24 * 25 */ 26 27#include <linux/delay.h> 28#include <linux/pm.h> 29#include <linux/init.h> 30#include <linux/interrupt.h> 31#include <linux/slab.h> 32#include <linux/ioport.h> 33#include <linux/module.h> 34#include <linux/io.h> 35#include <sound/core.h> 36#include <sound/wss.h> 37#include <sound/pcm_params.h> 38#include <sound/tlv.h> 39 40#include <asm/dma.h> 41#include <asm/irq.h> 42 43MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 44MODULE_DESCRIPTION("Routines for control of CS4231(A)/CS4232/InterWave & compatible chips"); 45MODULE_LICENSE("GPL"); 46 47#if 0 48#define SNDRV_DEBUG_MCE 49#endif 50 51/* 52 * Some variables 53 */ 54 55static unsigned char freq_bits[14] = { 56 /* 5510 */ 0x00 | CS4231_XTAL2, 57 /* 6620 */ 0x0E | CS4231_XTAL2, 58 /* 8000 */ 0x00 | CS4231_XTAL1, 59 /* 9600 */ 0x0E | CS4231_XTAL1, 60 /* 11025 */ 0x02 | CS4231_XTAL2, 61 /* 16000 */ 0x02 | CS4231_XTAL1, 62 /* 18900 */ 0x04 | CS4231_XTAL2, 63 /* 22050 */ 0x06 | CS4231_XTAL2, 64 /* 27042 */ 0x04 | CS4231_XTAL1, 65 /* 32000 */ 0x06 | CS4231_XTAL1, 66 /* 33075 */ 0x0C | CS4231_XTAL2, 67 /* 37800 */ 0x08 | CS4231_XTAL2, 68 /* 44100 */ 0x0A | CS4231_XTAL2, 69 /* 48000 */ 0x0C | CS4231_XTAL1 70}; 71 72static unsigned int rates[14] = { 73 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050, 74 27042, 32000, 33075, 37800, 44100, 48000 75}; 76 77static struct snd_pcm_hw_constraint_list hw_constraints_rates = { 78 .count = ARRAY_SIZE(rates), 79 .list = rates, 80 .mask = 0, 81}; 82 83static int snd_wss_xrate(struct snd_pcm_runtime *runtime) 84{ 85 return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 86 &hw_constraints_rates); 87} 88 89static unsigned char snd_wss_original_image[32] = 90{ 91 0x00, /* 00/00 - lic */ 92 0x00, /* 01/01 - ric */ 93 0x9f, /* 02/02 - la1ic */ 94 0x9f, /* 03/03 - ra1ic */ 95 0x9f, /* 04/04 - la2ic */ 96 0x9f, /* 05/05 - ra2ic */ 97 0xbf, /* 06/06 - loc */ 98 0xbf, /* 07/07 - roc */ 99 0x20, /* 08/08 - pdfr */ 100 CS4231_AUTOCALIB, /* 09/09 - ic */ 101 0x00, /* 0a/10 - pc */ 102 0x00, /* 0b/11 - ti */ 103 CS4231_MODE2, /* 0c/12 - mi */ 104 0xfc, /* 0d/13 - lbc */ 105 0x00, /* 0e/14 - pbru */ 106 0x00, /* 0f/15 - pbrl */ 107 0x80, /* 10/16 - afei */ 108 0x01, /* 11/17 - afeii */ 109 0x9f, /* 12/18 - llic */ 110 0x9f, /* 13/19 - rlic */ 111 0x00, /* 14/20 - tlb */ 112 0x00, /* 15/21 - thb */ 113 0x00, /* 16/22 - la3mic/reserved */ 114 0x00, /* 17/23 - ra3mic/reserved */ 115 0x00, /* 18/24 - afs */ 116 0x00, /* 19/25 - lamoc/version */ 117 0xcf, /* 1a/26 - mioc */ 118 0x00, /* 1b/27 - ramoc/reserved */ 119 0x20, /* 1c/28 - cdfr */ 120 0x00, /* 1d/29 - res4 */ 121 0x00, /* 1e/30 - cbru */ 122 0x00, /* 1f/31 - cbrl */ 123}; 124 125static unsigned char snd_opti93x_original_image[32] = 126{ 127 0x00, /* 00/00 - l_mixout_outctrl */ 128 0x00, /* 01/01 - r_mixout_outctrl */ 129 0x88, /* 02/02 - l_cd_inctrl */ 130 0x88, /* 03/03 - r_cd_inctrl */ 131 0x88, /* 04/04 - l_a1/fm_inctrl */ 132 0x88, /* 05/05 - r_a1/fm_inctrl */ 133 0x80, /* 06/06 - l_dac_inctrl */ 134 0x80, /* 07/07 - r_dac_inctrl */ 135 0x00, /* 08/08 - ply_dataform_reg */ 136 0x00, /* 09/09 - if_conf */ 137 0x00, /* 0a/10 - pin_ctrl */ 138 0x00, /* 0b/11 - err_init_reg */ 139 0x0a, /* 0c/12 - id_reg */ 140 0x00, /* 0d/13 - reserved */ 141 0x00, /* 0e/14 - ply_upcount_reg */ 142 0x00, /* 0f/15 - ply_lowcount_reg */ 143 0x88, /* 10/16 - reserved/l_a1_inctrl */ 144 0x88, /* 11/17 - reserved/r_a1_inctrl */ 145 0x88, /* 12/18 - l_line_inctrl */ 146 0x88, /* 13/19 - r_line_inctrl */ 147 0x88, /* 14/20 - l_mic_inctrl */ 148 0x88, /* 15/21 - r_mic_inctrl */ 149 0x80, /* 16/22 - l_out_outctrl */ 150 0x80, /* 17/23 - r_out_outctrl */ 151 0x00, /* 18/24 - reserved */ 152 0x00, /* 19/25 - reserved */ 153 0x00, /* 1a/26 - reserved */ 154 0x00, /* 1b/27 - reserved */ 155 0x00, /* 1c/28 - cap_dataform_reg */ 156 0x00, /* 1d/29 - reserved */ 157 0x00, /* 1e/30 - cap_upcount_reg */ 158 0x00 /* 1f/31 - cap_lowcount_reg */ 159}; 160 161/* 162 * Basic I/O functions 163 */ 164 165static inline void wss_outb(struct snd_wss *chip, u8 offset, u8 val) 166{ 167 outb(val, chip->port + offset); 168} 169 170static inline u8 wss_inb(struct snd_wss *chip, u8 offset) 171{ 172 return inb(chip->port + offset); 173} 174 175static void snd_wss_wait(struct snd_wss *chip) 176{ 177 int timeout; 178 179 for (timeout = 250; 180 timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); 181 timeout--) 182 udelay(100); 183} 184 185static void snd_wss_dout(struct snd_wss *chip, unsigned char reg, 186 unsigned char value) 187{ 188 int timeout; 189 190 for (timeout = 250; 191 timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); 192 timeout--) 193 udelay(10); 194 wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); 195 wss_outb(chip, CS4231P(REG), value); 196 mb(); 197} 198 199void snd_wss_out(struct snd_wss *chip, unsigned char reg, unsigned char value) 200{ 201 snd_wss_wait(chip); 202#ifdef CONFIG_SND_DEBUG 203 if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) 204 snd_printk(KERN_DEBUG "out: auto calibration time out " 205 "- reg = 0x%x, value = 0x%x\n", reg, value); 206#endif 207 wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); 208 wss_outb(chip, CS4231P(REG), value); 209 chip->image[reg] = value; 210 mb(); 211 snd_printdd("codec out - reg 0x%x = 0x%x\n", 212 chip->mce_bit | reg, value); 213} 214EXPORT_SYMBOL(snd_wss_out); 215 216unsigned char snd_wss_in(struct snd_wss *chip, unsigned char reg) 217{ 218 snd_wss_wait(chip); 219#ifdef CONFIG_SND_DEBUG 220 if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) 221 snd_printk(KERN_DEBUG "in: auto calibration time out " 222 "- reg = 0x%x\n", reg); 223#endif 224 wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); 225 mb(); 226 return wss_inb(chip, CS4231P(REG)); 227} 228EXPORT_SYMBOL(snd_wss_in); 229 230void snd_cs4236_ext_out(struct snd_wss *chip, unsigned char reg, 231 unsigned char val) 232{ 233 wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17); 234 wss_outb(chip, CS4231P(REG), 235 reg | (chip->image[CS4236_EXT_REG] & 0x01)); 236 wss_outb(chip, CS4231P(REG), val); 237 chip->eimage[CS4236_REG(reg)] = val; 238#if 0 239 printk(KERN_DEBUG "ext out : reg = 0x%x, val = 0x%x\n", reg, val); 240#endif 241} 242EXPORT_SYMBOL(snd_cs4236_ext_out); 243 244unsigned char snd_cs4236_ext_in(struct snd_wss *chip, unsigned char reg) 245{ 246 wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17); 247 wss_outb(chip, CS4231P(REG), 248 reg | (chip->image[CS4236_EXT_REG] & 0x01)); 249#if 1 250 return wss_inb(chip, CS4231P(REG)); 251#else 252 { 253 unsigned char res; 254 res = wss_inb(chip, CS4231P(REG)); 255 printk(KERN_DEBUG "ext in : reg = 0x%x, val = 0x%x\n", 256 reg, res); 257 return res; 258 } 259#endif 260} 261EXPORT_SYMBOL(snd_cs4236_ext_in); 262 263#if 0 264 265static void snd_wss_debug(struct snd_wss *chip) 266{ 267 printk(KERN_DEBUG 268 "CS4231 REGS: INDEX = 0x%02x " 269 " STATUS = 0x%02x\n", 270 wss_inb(chip, CS4231P(REGSEL)), 271 wss_inb(chip, CS4231P(STATUS))); 272 printk(KERN_DEBUG 273 " 0x00: left input = 0x%02x " 274 " 0x10: alt 1 (CFIG 2) = 0x%02x\n", 275 snd_wss_in(chip, 0x00), 276 snd_wss_in(chip, 0x10)); 277 printk(KERN_DEBUG 278 " 0x01: right input = 0x%02x " 279 " 0x11: alt 2 (CFIG 3) = 0x%02x\n", 280 snd_wss_in(chip, 0x01), 281 snd_wss_in(chip, 0x11)); 282 printk(KERN_DEBUG 283 " 0x02: GF1 left input = 0x%02x " 284 " 0x12: left line in = 0x%02x\n", 285 snd_wss_in(chip, 0x02), 286 snd_wss_in(chip, 0x12)); 287 printk(KERN_DEBUG 288 " 0x03: GF1 right input = 0x%02x " 289 " 0x13: right line in = 0x%02x\n", 290 snd_wss_in(chip, 0x03), 291 snd_wss_in(chip, 0x13)); 292 printk(KERN_DEBUG 293 " 0x04: CD left input = 0x%02x " 294 " 0x14: timer low = 0x%02x\n", 295 snd_wss_in(chip, 0x04), 296 snd_wss_in(chip, 0x14)); 297 printk(KERN_DEBUG 298 " 0x05: CD right input = 0x%02x " 299 " 0x15: timer high = 0x%02x\n", 300 snd_wss_in(chip, 0x05), 301 snd_wss_in(chip, 0x15)); 302 printk(KERN_DEBUG 303 " 0x06: left output = 0x%02x " 304 " 0x16: left MIC (PnP) = 0x%02x\n", 305 snd_wss_in(chip, 0x06), 306 snd_wss_in(chip, 0x16)); 307 printk(KERN_DEBUG 308 " 0x07: right output = 0x%02x " 309 " 0x17: right MIC (PnP) = 0x%02x\n", 310 snd_wss_in(chip, 0x07), 311 snd_wss_in(chip, 0x17)); 312 printk(KERN_DEBUG 313 " 0x08: playback format = 0x%02x " 314 " 0x18: IRQ status = 0x%02x\n", 315 snd_wss_in(chip, 0x08), 316 snd_wss_in(chip, 0x18)); 317 printk(KERN_DEBUG 318 " 0x09: iface (CFIG 1) = 0x%02x " 319 " 0x19: left line out = 0x%02x\n", 320 snd_wss_in(chip, 0x09), 321 snd_wss_in(chip, 0x19)); 322 printk(KERN_DEBUG 323 " 0x0a: pin control = 0x%02x " 324 " 0x1a: mono control = 0x%02x\n", 325 snd_wss_in(chip, 0x0a), 326 snd_wss_in(chip, 0x1a)); 327 printk(KERN_DEBUG 328 " 0x0b: init & status = 0x%02x " 329 " 0x1b: right line out = 0x%02x\n", 330 snd_wss_in(chip, 0x0b), 331 snd_wss_in(chip, 0x1b)); 332 printk(KERN_DEBUG 333 " 0x0c: revision & mode = 0x%02x " 334 " 0x1c: record format = 0x%02x\n", 335 snd_wss_in(chip, 0x0c), 336 snd_wss_in(chip, 0x1c)); 337 printk(KERN_DEBUG 338 " 0x0d: loopback = 0x%02x " 339 " 0x1d: var freq (PnP) = 0x%02x\n", 340 snd_wss_in(chip, 0x0d), 341 snd_wss_in(chip, 0x1d)); 342 printk(KERN_DEBUG 343 " 0x0e: ply upr count = 0x%02x " 344 " 0x1e: ply lwr count = 0x%02x\n", 345 snd_wss_in(chip, 0x0e), 346 snd_wss_in(chip, 0x1e)); 347 printk(KERN_DEBUG 348 " 0x0f: rec upr count = 0x%02x " 349 " 0x1f: rec lwr count = 0x%02x\n", 350 snd_wss_in(chip, 0x0f), 351 snd_wss_in(chip, 0x1f)); 352} 353 354#endif 355 356/* 357 * CS4231 detection / MCE routines 358 */ 359 360static void snd_wss_busy_wait(struct snd_wss *chip) 361{ 362 int timeout; 363 364 /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */ 365 for (timeout = 5; timeout > 0; timeout--) 366 wss_inb(chip, CS4231P(REGSEL)); 367 /* end of cleanup sequence */ 368 for (timeout = 25000; 369 timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); 370 timeout--) 371 udelay(10); 372} 373 374void snd_wss_mce_up(struct snd_wss *chip) 375{ 376 unsigned long flags; 377 int timeout; 378 379 snd_wss_wait(chip); 380#ifdef CONFIG_SND_DEBUG 381 if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) 382 snd_printk(KERN_DEBUG 383 "mce_up - auto calibration time out (0)\n"); 384#endif 385 spin_lock_irqsave(&chip->reg_lock, flags); 386 chip->mce_bit |= CS4231_MCE; 387 timeout = wss_inb(chip, CS4231P(REGSEL)); 388 if (timeout == 0x80) 389 snd_printk(KERN_DEBUG "mce_up [0x%lx]: " 390 "serious init problem - codec still busy\n", 391 chip->port); 392 if (!(timeout & CS4231_MCE)) 393 wss_outb(chip, CS4231P(REGSEL), 394 chip->mce_bit | (timeout & 0x1f)); 395 spin_unlock_irqrestore(&chip->reg_lock, flags); 396} 397EXPORT_SYMBOL(snd_wss_mce_up); 398 399void snd_wss_mce_down(struct snd_wss *chip) 400{ 401 unsigned long flags; 402 unsigned long end_time; 403 int timeout; 404 int hw_mask = WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK | WSS_HW_AD1848; 405 406 snd_wss_busy_wait(chip); 407 408#ifdef CONFIG_SND_DEBUG 409 if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) 410 snd_printk(KERN_DEBUG "mce_down [0x%lx] - " 411 "auto calibration time out (0)\n", 412 (long)CS4231P(REGSEL)); 413#endif 414 spin_lock_irqsave(&chip->reg_lock, flags); 415 chip->mce_bit &= ~CS4231_MCE; 416 timeout = wss_inb(chip, CS4231P(REGSEL)); 417 wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f)); 418 spin_unlock_irqrestore(&chip->reg_lock, flags); 419 if (timeout == 0x80) 420 snd_printk(KERN_DEBUG "mce_down [0x%lx]: " 421 "serious init problem - codec still busy\n", 422 chip->port); 423 if ((timeout & CS4231_MCE) == 0 || !(chip->hardware & hw_mask)) 424 return; 425 426 /* 427 * Wait for (possible -- during init auto-calibration may not be set) 428 * calibration process to start. Needs up to 5 sample periods on AD1848 429 * which at the slowest possible rate of 5.5125 kHz means 907 us. 430 */ 431 msleep(1); 432 433 snd_printdd("(1) jiffies = %lu\n", jiffies); 434 435 /* check condition up to 250 ms */ 436 end_time = jiffies + msecs_to_jiffies(250); 437 while (snd_wss_in(chip, CS4231_TEST_INIT) & 438 CS4231_CALIB_IN_PROGRESS) { 439 440 if (time_after(jiffies, end_time)) { 441 snd_printk(KERN_ERR "mce_down - " 442 "auto calibration time out (2)\n"); 443 return; 444 } 445 msleep(1); 446 } 447 448 snd_printdd("(2) jiffies = %lu\n", jiffies); 449 450 /* check condition up to 100 ms */ 451 end_time = jiffies + msecs_to_jiffies(100); 452 while (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) { 453 if (time_after(jiffies, end_time)) { 454 snd_printk(KERN_ERR "mce_down - auto calibration time out (3)\n"); 455 return; 456 } 457 msleep(1); 458 } 459 460 snd_printdd("(3) jiffies = %lu\n", jiffies); 461 snd_printd("mce_down - exit = 0x%x\n", wss_inb(chip, CS4231P(REGSEL))); 462} 463EXPORT_SYMBOL(snd_wss_mce_down); 464 465static unsigned int snd_wss_get_count(unsigned char format, unsigned int size) 466{ 467 switch (format & 0xe0) { 468 case CS4231_LINEAR_16: 469 case CS4231_LINEAR_16_BIG: 470 size >>= 1; 471 break; 472 case CS4231_ADPCM_16: 473 return size >> 2; 474 } 475 if (format & CS4231_STEREO) 476 size >>= 1; 477 return size; 478} 479 480static int snd_wss_trigger(struct snd_pcm_substream *substream, 481 int cmd) 482{ 483 struct snd_wss *chip = snd_pcm_substream_chip(substream); 484 int result = 0; 485 unsigned int what; 486 struct snd_pcm_substream *s; 487 int do_start; 488 489 switch (cmd) { 490 case SNDRV_PCM_TRIGGER_START: 491 case SNDRV_PCM_TRIGGER_RESUME: 492 do_start = 1; break; 493 case SNDRV_PCM_TRIGGER_STOP: 494 case SNDRV_PCM_TRIGGER_SUSPEND: 495 do_start = 0; break; 496 default: 497 return -EINVAL; 498 } 499 500 what = 0; 501 snd_pcm_group_for_each_entry(s, substream) { 502 if (s == chip->playback_substream) { 503 what |= CS4231_PLAYBACK_ENABLE; 504 snd_pcm_trigger_done(s, substream); 505 } else if (s == chip->capture_substream) { 506 what |= CS4231_RECORD_ENABLE; 507 snd_pcm_trigger_done(s, substream); 508 } 509 } 510 spin_lock(&chip->reg_lock); 511 if (do_start) { 512 chip->image[CS4231_IFACE_CTRL] |= what; 513 if (chip->trigger) 514 chip->trigger(chip, what, 1); 515 } else { 516 chip->image[CS4231_IFACE_CTRL] &= ~what; 517 if (chip->trigger) 518 chip->trigger(chip, what, 0); 519 } 520 snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); 521 spin_unlock(&chip->reg_lock); 522#if 0 523 snd_wss_debug(chip); 524#endif 525 return result; 526} 527 528/* 529 * CODEC I/O 530 */ 531 532static unsigned char snd_wss_get_rate(unsigned int rate) 533{ 534 int i; 535 536 for (i = 0; i < ARRAY_SIZE(rates); i++) 537 if (rate == rates[i]) 538 return freq_bits[i]; 539 // snd_BUG(); 540 return freq_bits[ARRAY_SIZE(rates) - 1]; 541} 542 543static unsigned char snd_wss_get_format(struct snd_wss *chip, 544 int format, 545 int channels) 546{ 547 unsigned char rformat; 548 549 rformat = CS4231_LINEAR_8; 550 switch (format) { 551 case SNDRV_PCM_FORMAT_MU_LAW: rformat = CS4231_ULAW_8; break; 552 case SNDRV_PCM_FORMAT_A_LAW: rformat = CS4231_ALAW_8; break; 553 case SNDRV_PCM_FORMAT_S16_LE: rformat = CS4231_LINEAR_16; break; 554 case SNDRV_PCM_FORMAT_S16_BE: rformat = CS4231_LINEAR_16_BIG; break; 555 case SNDRV_PCM_FORMAT_IMA_ADPCM: rformat = CS4231_ADPCM_16; break; 556 } 557 if (channels > 1) 558 rformat |= CS4231_STEREO; 559#if 0 560 snd_printk(KERN_DEBUG "get_format: 0x%x (mode=0x%x)\n", format, mode); 561#endif 562 return rformat; 563} 564 565static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute) 566{ 567 unsigned long flags; 568 569 mute = mute ? 0x80 : 0; 570 spin_lock_irqsave(&chip->reg_lock, flags); 571 if (chip->calibrate_mute == mute) { 572 spin_unlock_irqrestore(&chip->reg_lock, flags); 573 return; 574 } 575 if (!mute) { 576 snd_wss_dout(chip, CS4231_LEFT_INPUT, 577 chip->image[CS4231_LEFT_INPUT]); 578 snd_wss_dout(chip, CS4231_RIGHT_INPUT, 579 chip->image[CS4231_RIGHT_INPUT]); 580 snd_wss_dout(chip, CS4231_LOOPBACK, 581 chip->image[CS4231_LOOPBACK]); 582 } else { 583 snd_wss_dout(chip, CS4231_LEFT_INPUT, 584 0); 585 snd_wss_dout(chip, CS4231_RIGHT_INPUT, 586 0); 587 snd_wss_dout(chip, CS4231_LOOPBACK, 588 0xfd); 589 } 590 591 snd_wss_dout(chip, CS4231_AUX1_LEFT_INPUT, 592 mute | chip->image[CS4231_AUX1_LEFT_INPUT]); 593 snd_wss_dout(chip, CS4231_AUX1_RIGHT_INPUT, 594 mute | chip->image[CS4231_AUX1_RIGHT_INPUT]); 595 snd_wss_dout(chip, CS4231_AUX2_LEFT_INPUT, 596 mute | chip->image[CS4231_AUX2_LEFT_INPUT]); 597 snd_wss_dout(chip, CS4231_AUX2_RIGHT_INPUT, 598 mute | chip->image[CS4231_AUX2_RIGHT_INPUT]); 599 snd_wss_dout(chip, CS4231_LEFT_OUTPUT, 600 mute | chip->image[CS4231_LEFT_OUTPUT]); 601 snd_wss_dout(chip, CS4231_RIGHT_OUTPUT, 602 mute | chip->image[CS4231_RIGHT_OUTPUT]); 603 if (!(chip->hardware & WSS_HW_AD1848_MASK)) { 604 snd_wss_dout(chip, CS4231_LEFT_LINE_IN, 605 mute | chip->image[CS4231_LEFT_LINE_IN]); 606 snd_wss_dout(chip, CS4231_RIGHT_LINE_IN, 607 mute | chip->image[CS4231_RIGHT_LINE_IN]); 608 snd_wss_dout(chip, CS4231_MONO_CTRL, 609 mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); 610 } 611 if (chip->hardware == WSS_HW_INTERWAVE) { 612 snd_wss_dout(chip, CS4231_LEFT_MIC_INPUT, 613 mute | chip->image[CS4231_LEFT_MIC_INPUT]); 614 snd_wss_dout(chip, CS4231_RIGHT_MIC_INPUT, 615 mute | chip->image[CS4231_RIGHT_MIC_INPUT]); 616 snd_wss_dout(chip, CS4231_LINE_LEFT_OUTPUT, 617 mute | chip->image[CS4231_LINE_LEFT_OUTPUT]); 618 snd_wss_dout(chip, CS4231_LINE_RIGHT_OUTPUT, 619 mute | chip->image[CS4231_LINE_RIGHT_OUTPUT]); 620 } 621 chip->calibrate_mute = mute; 622 spin_unlock_irqrestore(&chip->reg_lock, flags); 623} 624 625static void snd_wss_playback_format(struct snd_wss *chip, 626 struct snd_pcm_hw_params *params, 627 unsigned char pdfr) 628{ 629 unsigned long flags; 630 int full_calib = 1; 631 632 mutex_lock(&chip->mce_mutex); 633 if (chip->hardware == WSS_HW_CS4231A || 634 (chip->hardware & WSS_HW_CS4232_MASK)) { 635 spin_lock_irqsave(&chip->reg_lock, flags); 636 if ((chip->image[CS4231_PLAYBK_FORMAT] & 0x0f) == (pdfr & 0x0f)) { /* rate is same? */ 637 snd_wss_out(chip, CS4231_ALT_FEATURE_1, 638 chip->image[CS4231_ALT_FEATURE_1] | 0x10); 639 chip->image[CS4231_PLAYBK_FORMAT] = pdfr; 640 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, 641 chip->image[CS4231_PLAYBK_FORMAT]); 642 snd_wss_out(chip, CS4231_ALT_FEATURE_1, 643 chip->image[CS4231_ALT_FEATURE_1] &= ~0x10); 644 udelay(100); /* Fixes audible clicks at least on GUS MAX */ 645 full_calib = 0; 646 } 647 spin_unlock_irqrestore(&chip->reg_lock, flags); 648 } else if (chip->hardware == WSS_HW_AD1845) { 649 unsigned rate = params_rate(params); 650 651 /* 652 * Program the AD1845 correctly for the playback stream. 653 * Note that we do NOT need to toggle the MCE bit because 654 * the PLAYBACK_ENABLE bit of the Interface Configuration 655 * register is set. 656 * 657 * NOTE: We seem to need to write to the MSB before the LSB 658 * to get the correct sample frequency. 659 */ 660 spin_lock_irqsave(&chip->reg_lock, flags); 661 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, (pdfr & 0xf0)); 662 snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff); 663 snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff); 664 full_calib = 0; 665 spin_unlock_irqrestore(&chip->reg_lock, flags); 666 } 667 if (full_calib) { 668 snd_wss_mce_up(chip); 669 spin_lock_irqsave(&chip->reg_lock, flags); 670 if (chip->hardware != WSS_HW_INTERWAVE && !chip->single_dma) { 671 if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) 672 pdfr = (pdfr & 0xf0) | 673 (chip->image[CS4231_REC_FORMAT] & 0x0f); 674 } else { 675 chip->image[CS4231_PLAYBK_FORMAT] = pdfr; 676 } 677 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr); 678 spin_unlock_irqrestore(&chip->reg_lock, flags); 679 if (chip->hardware == WSS_HW_OPL3SA2) 680 udelay(100); /* this seems to help */ 681 snd_wss_mce_down(chip); 682 } 683 mutex_unlock(&chip->mce_mutex); 684} 685 686static void snd_wss_capture_format(struct snd_wss *chip, 687 struct snd_pcm_hw_params *params, 688 unsigned char cdfr) 689{ 690 unsigned long flags; 691 int full_calib = 1; 692 693 mutex_lock(&chip->mce_mutex); 694 if (chip->hardware == WSS_HW_CS4231A || 695 (chip->hardware & WSS_HW_CS4232_MASK)) { 696 spin_lock_irqsave(&chip->reg_lock, flags); 697 if ((chip->image[CS4231_PLAYBK_FORMAT] & 0x0f) == (cdfr & 0x0f) || /* rate is same? */ 698 (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) { 699 snd_wss_out(chip, CS4231_ALT_FEATURE_1, 700 chip->image[CS4231_ALT_FEATURE_1] | 0x20); 701 snd_wss_out(chip, CS4231_REC_FORMAT, 702 chip->image[CS4231_REC_FORMAT] = cdfr); 703 snd_wss_out(chip, CS4231_ALT_FEATURE_1, 704 chip->image[CS4231_ALT_FEATURE_1] &= ~0x20); 705 full_calib = 0; 706 } 707 spin_unlock_irqrestore(&chip->reg_lock, flags); 708 } else if (chip->hardware == WSS_HW_AD1845) { 709 unsigned rate = params_rate(params); 710 711 /* 712 * Program the AD1845 correctly for the capture stream. 713 * Note that we do NOT need to toggle the MCE bit because 714 * the PLAYBACK_ENABLE bit of the Interface Configuration 715 * register is set. 716 * 717 * NOTE: We seem to need to write to the MSB before the LSB 718 * to get the correct sample frequency. 719 */ 720 spin_lock_irqsave(&chip->reg_lock, flags); 721 snd_wss_out(chip, CS4231_REC_FORMAT, (cdfr & 0xf0)); 722 snd_wss_out(chip, AD1845_UPR_FREQ_SEL, (rate >> 8) & 0xff); 723 snd_wss_out(chip, AD1845_LWR_FREQ_SEL, rate & 0xff); 724 full_calib = 0; 725 spin_unlock_irqrestore(&chip->reg_lock, flags); 726 } 727 if (full_calib) { 728 snd_wss_mce_up(chip); 729 spin_lock_irqsave(&chip->reg_lock, flags); 730 if (chip->hardware != WSS_HW_INTERWAVE && 731 !(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) { 732 if (chip->single_dma) 733 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, cdfr); 734 else 735 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, 736 (chip->image[CS4231_PLAYBK_FORMAT] & 0xf0) | 737 (cdfr & 0x0f)); 738 spin_unlock_irqrestore(&chip->reg_lock, flags); 739 snd_wss_mce_down(chip); 740 snd_wss_mce_up(chip); 741 spin_lock_irqsave(&chip->reg_lock, flags); 742 } 743 if (chip->hardware & WSS_HW_AD1848_MASK) 744 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, cdfr); 745 else 746 snd_wss_out(chip, CS4231_REC_FORMAT, cdfr); 747 spin_unlock_irqrestore(&chip->reg_lock, flags); 748 snd_wss_mce_down(chip); 749 } 750 mutex_unlock(&chip->mce_mutex); 751} 752 753/* 754 * Timer interface 755 */ 756 757static unsigned long snd_wss_timer_resolution(struct snd_timer *timer) 758{ 759 struct snd_wss *chip = snd_timer_chip(timer); 760 if (chip->hardware & WSS_HW_CS4236B_MASK) 761 return 14467; 762 else 763 return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920; 764} 765 766static int snd_wss_timer_start(struct snd_timer *timer) 767{ 768 unsigned long flags; 769 unsigned int ticks; 770 struct snd_wss *chip = snd_timer_chip(timer); 771 spin_lock_irqsave(&chip->reg_lock, flags); 772 ticks = timer->sticks; 773 if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 || 774 (unsigned char)(ticks >> 8) != chip->image[CS4231_TIMER_HIGH] || 775 (unsigned char)ticks != chip->image[CS4231_TIMER_LOW]) { 776 chip->image[CS4231_TIMER_HIGH] = (unsigned char) (ticks >> 8); 777 snd_wss_out(chip, CS4231_TIMER_HIGH, 778 chip->image[CS4231_TIMER_HIGH]); 779 chip->image[CS4231_TIMER_LOW] = (unsigned char) ticks; 780 snd_wss_out(chip, CS4231_TIMER_LOW, 781 chip->image[CS4231_TIMER_LOW]); 782 snd_wss_out(chip, CS4231_ALT_FEATURE_1, 783 chip->image[CS4231_ALT_FEATURE_1] | 784 CS4231_TIMER_ENABLE); 785 } 786 spin_unlock_irqrestore(&chip->reg_lock, flags); 787 return 0; 788} 789 790static int snd_wss_timer_stop(struct snd_timer *timer) 791{ 792 unsigned long flags; 793 struct snd_wss *chip = snd_timer_chip(timer); 794 spin_lock_irqsave(&chip->reg_lock, flags); 795 chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE; 796 snd_wss_out(chip, CS4231_ALT_FEATURE_1, 797 chip->image[CS4231_ALT_FEATURE_1]); 798 spin_unlock_irqrestore(&chip->reg_lock, flags); 799 return 0; 800} 801 802static void snd_wss_init(struct snd_wss *chip) 803{ 804 unsigned long flags; 805 806 snd_wss_calibrate_mute(chip, 1); 807 snd_wss_mce_down(chip); 808 809#ifdef SNDRV_DEBUG_MCE 810 snd_printk(KERN_DEBUG "init: (1)\n"); 811#endif 812 snd_wss_mce_up(chip); 813 spin_lock_irqsave(&chip->reg_lock, flags); 814 chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | 815 CS4231_PLAYBACK_PIO | 816 CS4231_RECORD_ENABLE | 817 CS4231_RECORD_PIO | 818 CS4231_CALIB_MODE); 819 chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB; 820 snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); 821 spin_unlock_irqrestore(&chip->reg_lock, flags); 822 snd_wss_mce_down(chip); 823 824#ifdef SNDRV_DEBUG_MCE 825 snd_printk(KERN_DEBUG "init: (2)\n"); 826#endif 827 828 snd_wss_mce_up(chip); 829 spin_lock_irqsave(&chip->reg_lock, flags); 830 chip->image[CS4231_IFACE_CTRL] &= ~CS4231_AUTOCALIB; 831 snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); 832 snd_wss_out(chip, 833 CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]); 834 spin_unlock_irqrestore(&chip->reg_lock, flags); 835 snd_wss_mce_down(chip); 836 837#ifdef SNDRV_DEBUG_MCE 838 snd_printk(KERN_DEBUG "init: (3) - afei = 0x%x\n", 839 chip->image[CS4231_ALT_FEATURE_1]); 840#endif 841 842 spin_lock_irqsave(&chip->reg_lock, flags); 843 snd_wss_out(chip, CS4231_ALT_FEATURE_2, 844 chip->image[CS4231_ALT_FEATURE_2]); 845 spin_unlock_irqrestore(&chip->reg_lock, flags); 846 847 snd_wss_mce_up(chip); 848 spin_lock_irqsave(&chip->reg_lock, flags); 849 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, 850 chip->image[CS4231_PLAYBK_FORMAT]); 851 spin_unlock_irqrestore(&chip->reg_lock, flags); 852 snd_wss_mce_down(chip); 853 854#ifdef SNDRV_DEBUG_MCE 855 snd_printk(KERN_DEBUG "init: (4)\n"); 856#endif 857 858 snd_wss_mce_up(chip); 859 spin_lock_irqsave(&chip->reg_lock, flags); 860 if (!(chip->hardware & WSS_HW_AD1848_MASK)) 861 snd_wss_out(chip, CS4231_REC_FORMAT, 862 chip->image[CS4231_REC_FORMAT]); 863 spin_unlock_irqrestore(&chip->reg_lock, flags); 864 snd_wss_mce_down(chip); 865 snd_wss_calibrate_mute(chip, 0); 866 867#ifdef SNDRV_DEBUG_MCE 868 snd_printk(KERN_DEBUG "init: (5)\n"); 869#endif 870} 871 872static int snd_wss_open(struct snd_wss *chip, unsigned int mode) 873{ 874 unsigned long flags; 875 876 mutex_lock(&chip->open_mutex); 877 if ((chip->mode & mode) || 878 ((chip->mode & WSS_MODE_OPEN) && chip->single_dma)) { 879 mutex_unlock(&chip->open_mutex); 880 return -EAGAIN; 881 } 882 if (chip->mode & WSS_MODE_OPEN) { 883 chip->mode |= mode; 884 mutex_unlock(&chip->open_mutex); 885 return 0; 886 } 887 /* ok. now enable and ack CODEC IRQ */ 888 spin_lock_irqsave(&chip->reg_lock, flags); 889 if (!(chip->hardware & WSS_HW_AD1848_MASK)) { 890 snd_wss_out(chip, CS4231_IRQ_STATUS, 891 CS4231_PLAYBACK_IRQ | 892 CS4231_RECORD_IRQ | 893 CS4231_TIMER_IRQ); 894 snd_wss_out(chip, CS4231_IRQ_STATUS, 0); 895 } 896 wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ 897 wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ 898 chip->image[CS4231_PIN_CTRL] |= CS4231_IRQ_ENABLE; 899 snd_wss_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]); 900 if (!(chip->hardware & WSS_HW_AD1848_MASK)) { 901 snd_wss_out(chip, CS4231_IRQ_STATUS, 902 CS4231_PLAYBACK_IRQ | 903 CS4231_RECORD_IRQ | 904 CS4231_TIMER_IRQ); 905 snd_wss_out(chip, CS4231_IRQ_STATUS, 0); 906 } 907 spin_unlock_irqrestore(&chip->reg_lock, flags); 908 909 chip->mode = mode; 910 mutex_unlock(&chip->open_mutex); 911 return 0; 912} 913 914static void snd_wss_close(struct snd_wss *chip, unsigned int mode) 915{ 916 unsigned long flags; 917 918 mutex_lock(&chip->open_mutex); 919 chip->mode &= ~mode; 920 if (chip->mode & WSS_MODE_OPEN) { 921 mutex_unlock(&chip->open_mutex); 922 return; 923 } 924 /* disable IRQ */ 925 spin_lock_irqsave(&chip->reg_lock, flags); 926 if (!(chip->hardware & WSS_HW_AD1848_MASK)) 927 snd_wss_out(chip, CS4231_IRQ_STATUS, 0); 928 wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ 929 wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ 930 chip->image[CS4231_PIN_CTRL] &= ~CS4231_IRQ_ENABLE; 931 snd_wss_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]); 932 933 /* now disable record & playback */ 934 935 if (chip->image[CS4231_IFACE_CTRL] & (CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | 936 CS4231_RECORD_ENABLE | CS4231_RECORD_PIO)) { 937 spin_unlock_irqrestore(&chip->reg_lock, flags); 938 snd_wss_mce_up(chip); 939 spin_lock_irqsave(&chip->reg_lock, flags); 940 chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | 941 CS4231_RECORD_ENABLE | CS4231_RECORD_PIO); 942 snd_wss_out(chip, CS4231_IFACE_CTRL, 943 chip->image[CS4231_IFACE_CTRL]); 944 spin_unlock_irqrestore(&chip->reg_lock, flags); 945 snd_wss_mce_down(chip); 946 spin_lock_irqsave(&chip->reg_lock, flags); 947 } 948 949 /* clear IRQ again */ 950 if (!(chip->hardware & WSS_HW_AD1848_MASK)) 951 snd_wss_out(chip, CS4231_IRQ_STATUS, 0); 952 wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ 953 wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ 954 spin_unlock_irqrestore(&chip->reg_lock, flags); 955 956 chip->mode = 0; 957 mutex_unlock(&chip->open_mutex); 958} 959 960/* 961 * timer open/close 962 */ 963 964static int snd_wss_timer_open(struct snd_timer *timer) 965{ 966 struct snd_wss *chip = snd_timer_chip(timer); 967 snd_wss_open(chip, WSS_MODE_TIMER); 968 return 0; 969} 970 971static int snd_wss_timer_close(struct snd_timer *timer) 972{ 973 struct snd_wss *chip = snd_timer_chip(timer); 974 snd_wss_close(chip, WSS_MODE_TIMER); 975 return 0; 976} 977 978static struct snd_timer_hardware snd_wss_timer_table = 979{ 980 .flags = SNDRV_TIMER_HW_AUTO, 981 .resolution = 9945, 982 .ticks = 65535, 983 .open = snd_wss_timer_open, 984 .close = snd_wss_timer_close, 985 .c_resolution = snd_wss_timer_resolution, 986 .start = snd_wss_timer_start, 987 .stop = snd_wss_timer_stop, 988}; 989 990/* 991 * ok.. exported functions.. 992 */ 993 994static int snd_wss_playback_hw_params(struct snd_pcm_substream *substream, 995 struct snd_pcm_hw_params *hw_params) 996{ 997 struct snd_wss *chip = snd_pcm_substream_chip(substream); 998 unsigned char new_pdfr; 999 int err; 1000 1001 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 1002 return err; 1003 new_pdfr = snd_wss_get_format(chip, params_format(hw_params), 1004 params_channels(hw_params)) | 1005 snd_wss_get_rate(params_rate(hw_params)); 1006 chip->set_playback_format(chip, hw_params, new_pdfr); 1007 return 0; 1008} 1009 1010static int snd_wss_playback_hw_free(struct snd_pcm_substream *substream) 1011{ 1012 return snd_pcm_lib_free_pages(substream); 1013} 1014 1015static int snd_wss_playback_prepare(struct snd_pcm_substream *substream) 1016{ 1017 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1018 struct snd_pcm_runtime *runtime = substream->runtime; 1019 unsigned long flags; 1020 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 1021 unsigned int count = snd_pcm_lib_period_bytes(substream); 1022 1023 spin_lock_irqsave(&chip->reg_lock, flags); 1024 chip->p_dma_size = size; 1025 chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO); 1026 snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 1027 count = snd_wss_get_count(chip->image[CS4231_PLAYBK_FORMAT], count) - 1; 1028 snd_wss_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count); 1029 snd_wss_out(chip, CS4231_PLY_UPR_CNT, (unsigned char) (count >> 8)); 1030 spin_unlock_irqrestore(&chip->reg_lock, flags); 1031#if 0 1032 snd_wss_debug(chip); 1033#endif 1034 return 0; 1035} 1036 1037static int snd_wss_capture_hw_params(struct snd_pcm_substream *substream, 1038 struct snd_pcm_hw_params *hw_params) 1039{ 1040 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1041 unsigned char new_cdfr; 1042 int err; 1043 1044 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 1045 return err; 1046 new_cdfr = snd_wss_get_format(chip, params_format(hw_params), 1047 params_channels(hw_params)) | 1048 snd_wss_get_rate(params_rate(hw_params)); 1049 chip->set_capture_format(chip, hw_params, new_cdfr); 1050 return 0; 1051} 1052 1053static int snd_wss_capture_hw_free(struct snd_pcm_substream *substream) 1054{ 1055 return snd_pcm_lib_free_pages(substream); 1056} 1057 1058static int snd_wss_capture_prepare(struct snd_pcm_substream *substream) 1059{ 1060 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1061 struct snd_pcm_runtime *runtime = substream->runtime; 1062 unsigned long flags; 1063 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 1064 unsigned int count = snd_pcm_lib_period_bytes(substream); 1065 1066 spin_lock_irqsave(&chip->reg_lock, flags); 1067 chip->c_dma_size = size; 1068 chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE | CS4231_RECORD_PIO); 1069 snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 1070 if (chip->hardware & WSS_HW_AD1848_MASK) 1071 count = snd_wss_get_count(chip->image[CS4231_PLAYBK_FORMAT], 1072 count); 1073 else 1074 count = snd_wss_get_count(chip->image[CS4231_REC_FORMAT], 1075 count); 1076 count--; 1077 if (chip->single_dma && chip->hardware != WSS_HW_INTERWAVE) { 1078 snd_wss_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count); 1079 snd_wss_out(chip, CS4231_PLY_UPR_CNT, 1080 (unsigned char) (count >> 8)); 1081 } else { 1082 snd_wss_out(chip, CS4231_REC_LWR_CNT, (unsigned char) count); 1083 snd_wss_out(chip, CS4231_REC_UPR_CNT, 1084 (unsigned char) (count >> 8)); 1085 } 1086 spin_unlock_irqrestore(&chip->reg_lock, flags); 1087 return 0; 1088} 1089 1090void snd_wss_overrange(struct snd_wss *chip) 1091{ 1092 unsigned long flags; 1093 unsigned char res; 1094 1095 spin_lock_irqsave(&chip->reg_lock, flags); 1096 res = snd_wss_in(chip, CS4231_TEST_INIT); 1097 spin_unlock_irqrestore(&chip->reg_lock, flags); 1098 if (res & (0x08 | 0x02)) /* detect overrange only above 0dB; may be user selectable? */ 1099 chip->capture_substream->runtime->overrange++; 1100} 1101EXPORT_SYMBOL(snd_wss_overrange); 1102 1103irqreturn_t snd_wss_interrupt(int irq, void *dev_id) 1104{ 1105 struct snd_wss *chip = dev_id; 1106 unsigned char status; 1107 1108 if (chip->hardware & WSS_HW_AD1848_MASK) 1109 /* pretend it was the only possible irq for AD1848 */ 1110 status = CS4231_PLAYBACK_IRQ; 1111 else 1112 status = snd_wss_in(chip, CS4231_IRQ_STATUS); 1113 if (status & CS4231_TIMER_IRQ) { 1114 if (chip->timer) 1115 snd_timer_interrupt(chip->timer, chip->timer->sticks); 1116 } 1117 if (chip->single_dma && chip->hardware != WSS_HW_INTERWAVE) { 1118 if (status & CS4231_PLAYBACK_IRQ) { 1119 if (chip->mode & WSS_MODE_PLAY) { 1120 if (chip->playback_substream) 1121 snd_pcm_period_elapsed(chip->playback_substream); 1122 } 1123 if (chip->mode & WSS_MODE_RECORD) { 1124 if (chip->capture_substream) { 1125 snd_wss_overrange(chip); 1126 snd_pcm_period_elapsed(chip->capture_substream); 1127 } 1128 } 1129 } 1130 } else { 1131 if (status & CS4231_PLAYBACK_IRQ) { 1132 if (chip->playback_substream) 1133 snd_pcm_period_elapsed(chip->playback_substream); 1134 } 1135 if (status & CS4231_RECORD_IRQ) { 1136 if (chip->capture_substream) { 1137 snd_wss_overrange(chip); 1138 snd_pcm_period_elapsed(chip->capture_substream); 1139 } 1140 } 1141 } 1142 1143 spin_lock(&chip->reg_lock); 1144 status = ~CS4231_ALL_IRQS | ~status; 1145 if (chip->hardware & WSS_HW_AD1848_MASK) 1146 wss_outb(chip, CS4231P(STATUS), 0); 1147 else 1148 snd_wss_out(chip, CS4231_IRQ_STATUS, status); 1149 spin_unlock(&chip->reg_lock); 1150 return IRQ_HANDLED; 1151} 1152EXPORT_SYMBOL(snd_wss_interrupt); 1153 1154static snd_pcm_uframes_t snd_wss_playback_pointer(struct snd_pcm_substream *substream) 1155{ 1156 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1157 size_t ptr; 1158 1159 if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) 1160 return 0; 1161 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size); 1162 return bytes_to_frames(substream->runtime, ptr); 1163} 1164 1165static snd_pcm_uframes_t snd_wss_capture_pointer(struct snd_pcm_substream *substream) 1166{ 1167 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1168 size_t ptr; 1169 1170 if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE)) 1171 return 0; 1172 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size); 1173 return bytes_to_frames(substream->runtime, ptr); 1174} 1175 1176/* 1177 1178 */ 1179 1180static int snd_ad1848_probe(struct snd_wss *chip) 1181{ 1182 unsigned long timeout = jiffies + msecs_to_jiffies(1000); 1183 unsigned long flags; 1184 unsigned char r; 1185 unsigned short hardware = 0; 1186 int err = 0; 1187 int i; 1188 1189 while (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) { 1190 if (time_after(jiffies, timeout)) 1191 return -ENODEV; 1192 cond_resched(); 1193 } 1194 spin_lock_irqsave(&chip->reg_lock, flags); 1195 1196 /* set CS423x MODE 1 */ 1197 snd_wss_dout(chip, CS4231_MISC_INFO, 0); 1198 1199 snd_wss_dout(chip, CS4231_RIGHT_INPUT, 0x45); /* 0x55 & ~0x10 */ 1200 r = snd_wss_in(chip, CS4231_RIGHT_INPUT); 1201 if (r != 0x45) { 1202 /* RMGE always high on AD1847 */ 1203 if ((r & ~CS4231_ENABLE_MIC_GAIN) != 0x45) { 1204 err = -ENODEV; 1205 goto out; 1206 } 1207 hardware = WSS_HW_AD1847; 1208 } else { 1209 snd_wss_dout(chip, CS4231_LEFT_INPUT, 0xaa); 1210 r = snd_wss_in(chip, CS4231_LEFT_INPUT); 1211 /* L/RMGE always low on AT2320 */ 1212 if ((r | CS4231_ENABLE_MIC_GAIN) != 0xaa) { 1213 err = -ENODEV; 1214 goto out; 1215 } 1216 } 1217 1218 /* clear pending IRQ */ 1219 wss_inb(chip, CS4231P(STATUS)); 1220 wss_outb(chip, CS4231P(STATUS), 0); 1221 mb(); 1222 1223 if ((chip->hardware & WSS_HW_TYPE_MASK) != WSS_HW_DETECT) 1224 goto out; 1225 1226 if (hardware) { 1227 chip->hardware = hardware; 1228 goto out; 1229 } 1230 1231 r = snd_wss_in(chip, CS4231_MISC_INFO); 1232 1233 /* set CS423x MODE 2 */ 1234 snd_wss_dout(chip, CS4231_MISC_INFO, CS4231_MODE2); 1235 for (i = 0; i < 16; i++) { 1236 if (snd_wss_in(chip, i) != snd_wss_in(chip, 16 + i)) { 1237 /* we have more than 16 registers: check ID */ 1238 if ((r & 0xf) != 0xa) 1239 goto out_mode; 1240 /* 1241 * on CMI8330, CS4231_VERSION is volume control and 1242 * can be set to 0 1243 */ 1244 snd_wss_dout(chip, CS4231_VERSION, 0); 1245 r = snd_wss_in(chip, CS4231_VERSION) & 0xe7; 1246 if (!r) 1247 chip->hardware = WSS_HW_CMI8330; 1248 goto out_mode; 1249 } 1250 } 1251 if (r & 0x80) 1252 chip->hardware = WSS_HW_CS4248; 1253 else 1254 chip->hardware = WSS_HW_AD1848; 1255out_mode: 1256 snd_wss_dout(chip, CS4231_MISC_INFO, 0); 1257out: 1258 spin_unlock_irqrestore(&chip->reg_lock, flags); 1259 return err; 1260} 1261 1262static int snd_wss_probe(struct snd_wss *chip) 1263{ 1264 unsigned long flags; 1265 int i, id, rev, regnum; 1266 unsigned char *ptr; 1267 unsigned int hw; 1268 1269 id = snd_ad1848_probe(chip); 1270 if (id < 0) 1271 return id; 1272 1273 hw = chip->hardware; 1274 if ((hw & WSS_HW_TYPE_MASK) == WSS_HW_DETECT) { 1275 for (i = 0; i < 50; i++) { 1276 mb(); 1277 if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) 1278 msleep(2); 1279 else { 1280 spin_lock_irqsave(&chip->reg_lock, flags); 1281 snd_wss_out(chip, CS4231_MISC_INFO, 1282 CS4231_MODE2); 1283 id = snd_wss_in(chip, CS4231_MISC_INFO) & 0x0f; 1284 spin_unlock_irqrestore(&chip->reg_lock, flags); 1285 if (id == 0x0a) 1286 break; /* this is valid value */ 1287 } 1288 } 1289 snd_printdd("wss: port = 0x%lx, id = 0x%x\n", chip->port, id); 1290 if (id != 0x0a) 1291 return -ENODEV; /* no valid device found */ 1292 1293 rev = snd_wss_in(chip, CS4231_VERSION) & 0xe7; 1294 snd_printdd("CS4231: VERSION (I25) = 0x%x\n", rev); 1295 if (rev == 0x80) { 1296 unsigned char tmp = snd_wss_in(chip, 23); 1297 snd_wss_out(chip, 23, ~tmp); 1298 if (snd_wss_in(chip, 23) != tmp) 1299 chip->hardware = WSS_HW_AD1845; 1300 else 1301 chip->hardware = WSS_HW_CS4231; 1302 } else if (rev == 0xa0) { 1303 chip->hardware = WSS_HW_CS4231A; 1304 } else if (rev == 0xa2) { 1305 chip->hardware = WSS_HW_CS4232; 1306 } else if (rev == 0xb2) { 1307 chip->hardware = WSS_HW_CS4232A; 1308 } else if (rev == 0x83) { 1309 chip->hardware = WSS_HW_CS4236; 1310 } else if (rev == 0x03) { 1311 chip->hardware = WSS_HW_CS4236B; 1312 } else { 1313 snd_printk(KERN_ERR 1314 "unknown CS chip with version 0x%x\n", rev); 1315 return -ENODEV; /* unknown CS4231 chip? */ 1316 } 1317 } 1318 spin_lock_irqsave(&chip->reg_lock, flags); 1319 wss_inb(chip, CS4231P(STATUS)); /* clear any pendings IRQ */ 1320 wss_outb(chip, CS4231P(STATUS), 0); 1321 mb(); 1322 spin_unlock_irqrestore(&chip->reg_lock, flags); 1323 1324 if (!(chip->hardware & WSS_HW_AD1848_MASK)) 1325 chip->image[CS4231_MISC_INFO] = CS4231_MODE2; 1326 switch (chip->hardware) { 1327 case WSS_HW_INTERWAVE: 1328 chip->image[CS4231_MISC_INFO] = CS4231_IW_MODE3; 1329 break; 1330 case WSS_HW_CS4235: 1331 case WSS_HW_CS4236B: 1332 case WSS_HW_CS4237B: 1333 case WSS_HW_CS4238B: 1334 case WSS_HW_CS4239: 1335 if (hw == WSS_HW_DETECT3) 1336 chip->image[CS4231_MISC_INFO] = CS4231_4236_MODE3; 1337 else 1338 chip->hardware = WSS_HW_CS4236; 1339 break; 1340 } 1341 1342 chip->image[CS4231_IFACE_CTRL] = 1343 (chip->image[CS4231_IFACE_CTRL] & ~CS4231_SINGLE_DMA) | 1344 (chip->single_dma ? CS4231_SINGLE_DMA : 0); 1345 if (chip->hardware != WSS_HW_OPTI93X) { 1346 chip->image[CS4231_ALT_FEATURE_1] = 0x80; 1347 chip->image[CS4231_ALT_FEATURE_2] = 1348 chip->hardware == WSS_HW_INTERWAVE ? 0xc2 : 0x01; 1349 } 1350 /* enable fine grained frequency selection */ 1351 if (chip->hardware == WSS_HW_AD1845) 1352 chip->image[AD1845_PWR_DOWN] = 8; 1353 1354 ptr = (unsigned char *) &chip->image; 1355 regnum = (chip->hardware & WSS_HW_AD1848_MASK) ? 16 : 32; 1356 snd_wss_mce_down(chip); 1357 spin_lock_irqsave(&chip->reg_lock, flags); 1358 for (i = 0; i < regnum; i++) /* ok.. fill all registers */ 1359 snd_wss_out(chip, i, *ptr++); 1360 spin_unlock_irqrestore(&chip->reg_lock, flags); 1361 snd_wss_mce_up(chip); 1362 snd_wss_mce_down(chip); 1363 1364 mdelay(2); 1365 1366 /* ok.. try check hardware version for CS4236+ chips */ 1367 if ((hw & WSS_HW_TYPE_MASK) == WSS_HW_DETECT) { 1368 if (chip->hardware == WSS_HW_CS4236B) { 1369 rev = snd_cs4236_ext_in(chip, CS4236_VERSION); 1370 snd_cs4236_ext_out(chip, CS4236_VERSION, 0xff); 1371 id = snd_cs4236_ext_in(chip, CS4236_VERSION); 1372 snd_cs4236_ext_out(chip, CS4236_VERSION, rev); 1373 snd_printdd("CS4231: ext version; rev = 0x%x, id = 0x%x\n", rev, id); 1374 if ((id & 0x1f) == 0x1d) { /* CS4235 */ 1375 chip->hardware = WSS_HW_CS4235; 1376 switch (id >> 5) { 1377 case 4: 1378 case 5: 1379 case 6: 1380 break; 1381 default: 1382 snd_printk(KERN_WARNING 1383 "unknown CS4235 chip " 1384 "(enhanced version = 0x%x)\n", 1385 id); 1386 } 1387 } else if ((id & 0x1f) == 0x0b) { /* CS4236/B */ 1388 switch (id >> 5) { 1389 case 4: 1390 case 5: 1391 case 6: 1392 case 7: 1393 chip->hardware = WSS_HW_CS4236B; 1394 break; 1395 default: 1396 snd_printk(KERN_WARNING 1397 "unknown CS4236 chip " 1398 "(enhanced version = 0x%x)\n", 1399 id); 1400 } 1401 } else if ((id & 0x1f) == 0x08) { /* CS4237B */ 1402 chip->hardware = WSS_HW_CS4237B; 1403 switch (id >> 5) { 1404 case 4: 1405 case 5: 1406 case 6: 1407 case 7: 1408 break; 1409 default: 1410 snd_printk(KERN_WARNING 1411 "unknown CS4237B chip " 1412 "(enhanced version = 0x%x)\n", 1413 id); 1414 } 1415 } else if ((id & 0x1f) == 0x09) { /* CS4238B */ 1416 chip->hardware = WSS_HW_CS4238B; 1417 switch (id >> 5) { 1418 case 5: 1419 case 6: 1420 case 7: 1421 break; 1422 default: 1423 snd_printk(KERN_WARNING 1424 "unknown CS4238B chip " 1425 "(enhanced version = 0x%x)\n", 1426 id); 1427 } 1428 } else if ((id & 0x1f) == 0x1e) { /* CS4239 */ 1429 chip->hardware = WSS_HW_CS4239; 1430 switch (id >> 5) { 1431 case 4: 1432 case 5: 1433 case 6: 1434 break; 1435 default: 1436 snd_printk(KERN_WARNING 1437 "unknown CS4239 chip " 1438 "(enhanced version = 0x%x)\n", 1439 id); 1440 } 1441 } else { 1442 snd_printk(KERN_WARNING 1443 "unknown CS4236/CS423xB chip " 1444 "(enhanced version = 0x%x)\n", id); 1445 } 1446 } 1447 } 1448 return 0; /* all things are ok.. */ 1449} 1450 1451/* 1452 1453 */ 1454 1455static struct snd_pcm_hardware snd_wss_playback = 1456{ 1457 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1458 SNDRV_PCM_INFO_MMAP_VALID | 1459 SNDRV_PCM_INFO_SYNC_START), 1460 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM | 1461 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE), 1462 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 1463 .rate_min = 5510, 1464 .rate_max = 48000, 1465 .channels_min = 1, 1466 .channels_max = 2, 1467 .buffer_bytes_max = (128*1024), 1468 .period_bytes_min = 64, 1469 .period_bytes_max = (128*1024), 1470 .periods_min = 1, 1471 .periods_max = 1024, 1472 .fifo_size = 0, 1473}; 1474 1475static struct snd_pcm_hardware snd_wss_capture = 1476{ 1477 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1478 SNDRV_PCM_INFO_MMAP_VALID | 1479 SNDRV_PCM_INFO_RESUME | 1480 SNDRV_PCM_INFO_SYNC_START), 1481 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_IMA_ADPCM | 1482 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE), 1483 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 1484 .rate_min = 5510, 1485 .rate_max = 48000, 1486 .channels_min = 1, 1487 .channels_max = 2, 1488 .buffer_bytes_max = (128*1024), 1489 .period_bytes_min = 64, 1490 .period_bytes_max = (128*1024), 1491 .periods_min = 1, 1492 .periods_max = 1024, 1493 .fifo_size = 0, 1494}; 1495 1496/* 1497 1498 */ 1499 1500static int snd_wss_playback_open(struct snd_pcm_substream *substream) 1501{ 1502 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1503 struct snd_pcm_runtime *runtime = substream->runtime; 1504 int err; 1505 1506 runtime->hw = snd_wss_playback; 1507 1508 /* hardware limitation of older chipsets */ 1509 if (chip->hardware & WSS_HW_AD1848_MASK) 1510 runtime->hw.formats &= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM | 1511 SNDRV_PCM_FMTBIT_S16_BE); 1512 1513 /* hardware bug in InterWave chipset */ 1514 if (chip->hardware == WSS_HW_INTERWAVE && chip->dma1 > 3) 1515 runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_MU_LAW; 1516 1517 /* hardware limitation of cheap chips */ 1518 if (chip->hardware == WSS_HW_CS4235 || 1519 chip->hardware == WSS_HW_CS4239) 1520 runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE; 1521 1522 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); 1523 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max); 1524 1525 if (chip->claim_dma) { 1526 if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma1)) < 0) 1527 return err; 1528 } 1529 1530 err = snd_wss_open(chip, WSS_MODE_PLAY); 1531 if (err < 0) { 1532 if (chip->release_dma) 1533 chip->release_dma(chip, chip->dma_private_data, chip->dma1); 1534 snd_free_pages(runtime->dma_area, runtime->dma_bytes); 1535 return err; 1536 } 1537 chip->playback_substream = substream; 1538 snd_pcm_set_sync(substream); 1539 chip->rate_constraint(runtime); 1540 return 0; 1541} 1542 1543static int snd_wss_capture_open(struct snd_pcm_substream *substream) 1544{ 1545 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1546 struct snd_pcm_runtime *runtime = substream->runtime; 1547 int err; 1548 1549 runtime->hw = snd_wss_capture; 1550 1551 /* hardware limitation of older chipsets */ 1552 if (chip->hardware & WSS_HW_AD1848_MASK) 1553 runtime->hw.formats &= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM | 1554 SNDRV_PCM_FMTBIT_S16_BE); 1555 1556 /* hardware limitation of cheap chips */ 1557 if (chip->hardware == WSS_HW_CS4235 || 1558 chip->hardware == WSS_HW_CS4239 || 1559 chip->hardware == WSS_HW_OPTI93X) 1560 runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | 1561 SNDRV_PCM_FMTBIT_S16_LE; 1562 1563 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); 1564 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); 1565 1566 if (chip->claim_dma) { 1567 if ((err = chip->claim_dma(chip, chip->dma_private_data, chip->dma2)) < 0) 1568 return err; 1569 } 1570 1571 err = snd_wss_open(chip, WSS_MODE_RECORD); 1572 if (err < 0) { 1573 if (chip->release_dma) 1574 chip->release_dma(chip, chip->dma_private_data, chip->dma2); 1575 snd_free_pages(runtime->dma_area, runtime->dma_bytes); 1576 return err; 1577 } 1578 chip->capture_substream = substream; 1579 snd_pcm_set_sync(substream); 1580 chip->rate_constraint(runtime); 1581 return 0; 1582} 1583 1584static int snd_wss_playback_close(struct snd_pcm_substream *substream) 1585{ 1586 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1587 1588 chip->playback_substream = NULL; 1589 snd_wss_close(chip, WSS_MODE_PLAY); 1590 return 0; 1591} 1592 1593static int snd_wss_capture_close(struct snd_pcm_substream *substream) 1594{ 1595 struct snd_wss *chip = snd_pcm_substream_chip(substream); 1596 1597 chip->capture_substream = NULL; 1598 snd_wss_close(chip, WSS_MODE_RECORD); 1599 return 0; 1600} 1601 1602static void snd_wss_thinkpad_twiddle(struct snd_wss *chip, int on) 1603{ 1604 int tmp; 1605 1606 if (!chip->thinkpad_flag) 1607 return; 1608 1609 outb(0x1c, AD1848_THINKPAD_CTL_PORT1); 1610 tmp = inb(AD1848_THINKPAD_CTL_PORT2); 1611 1612 if (on) 1613 /* turn it on */ 1614 tmp |= AD1848_THINKPAD_CS4248_ENABLE_BIT; 1615 else 1616 /* turn it off */ 1617 tmp &= ~AD1848_THINKPAD_CS4248_ENABLE_BIT; 1618 1619 outb(tmp, AD1848_THINKPAD_CTL_PORT2); 1620} 1621 1622#ifdef CONFIG_PM 1623 1624/* lowlevel suspend callback for CS4231 */ 1625static void snd_wss_suspend(struct snd_wss *chip) 1626{ 1627 int reg; 1628 unsigned long flags; 1629 1630 snd_pcm_suspend_all(chip->pcm); 1631 spin_lock_irqsave(&chip->reg_lock, flags); 1632 for (reg = 0; reg < 32; reg++) 1633 chip->image[reg] = snd_wss_in(chip, reg); 1634 spin_unlock_irqrestore(&chip->reg_lock, flags); 1635 if (chip->thinkpad_flag) 1636 snd_wss_thinkpad_twiddle(chip, 0); 1637} 1638 1639/* lowlevel resume callback for CS4231 */ 1640static void snd_wss_resume(struct snd_wss *chip) 1641{ 1642 int reg; 1643 unsigned long flags; 1644 /* int timeout; */ 1645 1646 if (chip->thinkpad_flag) 1647 snd_wss_thinkpad_twiddle(chip, 1); 1648 snd_wss_mce_up(chip); 1649 spin_lock_irqsave(&chip->reg_lock, flags); 1650 for (reg = 0; reg < 32; reg++) { 1651 switch (reg) { 1652 case CS4231_VERSION: 1653 break; 1654 default: 1655 snd_wss_out(chip, reg, chip->image[reg]); 1656 break; 1657 } 1658 } 1659 /* Yamaha needs this to resume properly */ 1660 if (chip->hardware == WSS_HW_OPL3SA2) 1661 snd_wss_out(chip, CS4231_PLAYBK_FORMAT, 1662 chip->image[CS4231_PLAYBK_FORMAT]); 1663 spin_unlock_irqrestore(&chip->reg_lock, flags); 1664#if 1 1665 snd_wss_mce_down(chip); 1666#else 1667 /* The following is a workaround to avoid freeze after resume on TP600E. 1668 This is the first half of copy of snd_wss_mce_down(), but doesn't 1669 include rescheduling. -- iwai 1670 */ 1671 snd_wss_busy_wait(chip); 1672 spin_lock_irqsave(&chip->reg_lock, flags); 1673 chip->mce_bit &= ~CS4231_MCE; 1674 timeout = wss_inb(chip, CS4231P(REGSEL)); 1675 wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f)); 1676 spin_unlock_irqrestore(&chip->reg_lock, flags); 1677 if (timeout == 0x80) 1678 snd_printk(KERN_ERR "down [0x%lx]: serious init problem " 1679 "- codec still busy\n", chip->port); 1680 if ((timeout & CS4231_MCE) == 0 || 1681 !(chip->hardware & (WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK))) { 1682 return; 1683 } 1684 snd_wss_busy_wait(chip); 1685#endif 1686} 1687#endif /* CONFIG_PM */ 1688 1689static int snd_wss_free(struct snd_wss *chip) 1690{ 1691 release_and_free_resource(chip->res_port); 1692 release_and_free_resource(chip->res_cport); 1693 if (chip->irq >= 0) { 1694 disable_irq(chip->irq); 1695 if (!(chip->hwshare & WSS_HWSHARE_IRQ)) 1696 free_irq(chip->irq, (void *) chip); 1697 } 1698 if (!(chip->hwshare & WSS_HWSHARE_DMA1) && chip->dma1 >= 0) { 1699 snd_dma_disable(chip->dma1); 1700 free_dma(chip->dma1); 1701 } 1702 if (!(chip->hwshare & WSS_HWSHARE_DMA2) && 1703 chip->dma2 >= 0 && chip->dma2 != chip->dma1) { 1704 snd_dma_disable(chip->dma2); 1705 free_dma(chip->dma2); 1706 } 1707 if (chip->timer) 1708 snd_device_free(chip->card, chip->timer); 1709 kfree(chip); 1710 return 0; 1711} 1712 1713static int snd_wss_dev_free(struct snd_device *device) 1714{ 1715 struct snd_wss *chip = device->device_data; 1716 return snd_wss_free(chip); 1717} 1718 1719const char *snd_wss_chip_id(struct snd_wss *chip) 1720{ 1721 switch (chip->hardware) { 1722 case WSS_HW_CS4231: 1723 return "CS4231"; 1724 case WSS_HW_CS4231A: 1725 return "CS4231A"; 1726 case WSS_HW_CS4232: 1727 return "CS4232"; 1728 case WSS_HW_CS4232A: 1729 return "CS4232A"; 1730 case WSS_HW_CS4235: 1731 return "CS4235"; 1732 case WSS_HW_CS4236: 1733 return "CS4236"; 1734 case WSS_HW_CS4236B: 1735 return "CS4236B"; 1736 case WSS_HW_CS4237B: 1737 return "CS4237B"; 1738 case WSS_HW_CS4238B: 1739 return "CS4238B"; 1740 case WSS_HW_CS4239: 1741 return "CS4239"; 1742 case WSS_HW_INTERWAVE: 1743 return "AMD InterWave"; 1744 case WSS_HW_OPL3SA2: 1745 return chip->card->shortname; 1746 case WSS_HW_AD1845: 1747 return "AD1845"; 1748 case WSS_HW_OPTI93X: 1749 return "OPTi 93x"; 1750 case WSS_HW_AD1847: 1751 return "AD1847"; 1752 case WSS_HW_AD1848: 1753 return "AD1848"; 1754 case WSS_HW_CS4248: 1755 return "CS4248"; 1756 case WSS_HW_CMI8330: 1757 return "CMI8330/C3D"; 1758 default: 1759 return "???"; 1760 } 1761} 1762EXPORT_SYMBOL(snd_wss_chip_id); 1763 1764static int snd_wss_new(struct snd_card *card, 1765 unsigned short hardware, 1766 unsigned short hwshare, 1767 struct snd_wss **rchip) 1768{ 1769 struct snd_wss *chip; 1770 1771 *rchip = NULL; 1772 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1773 if (chip == NULL) 1774 return -ENOMEM; 1775 chip->hardware = hardware; 1776 chip->hwshare = hwshare; 1777 1778 spin_lock_init(&chip->reg_lock); 1779 mutex_init(&chip->mce_mutex); 1780 mutex_init(&chip->open_mutex); 1781 chip->card = card; 1782 chip->rate_constraint = snd_wss_xrate; 1783 chip->set_playback_format = snd_wss_playback_format; 1784 chip->set_capture_format = snd_wss_capture_format; 1785 if (chip->hardware == WSS_HW_OPTI93X) 1786 memcpy(&chip->image, &snd_opti93x_original_image, 1787 sizeof(snd_opti93x_original_image)); 1788 else 1789 memcpy(&chip->image, &snd_wss_original_image, 1790 sizeof(snd_wss_original_image)); 1791 if (chip->hardware & WSS_HW_AD1848_MASK) { 1792 chip->image[CS4231_PIN_CTRL] = 0; 1793 chip->image[CS4231_TEST_INIT] = 0; 1794 } 1795 1796 *rchip = chip; 1797 return 0; 1798} 1799 1800int snd_wss_create(struct snd_card *card, 1801 unsigned long port, 1802 unsigned long cport, 1803 int irq, int dma1, int dma2, 1804 unsigned short hardware, 1805 unsigned short hwshare, 1806 struct snd_wss **rchip) 1807{ 1808 static struct snd_device_ops ops = { 1809 .dev_free = snd_wss_dev_free, 1810 }; 1811 struct snd_wss *chip; 1812 int err; 1813 1814 err = snd_wss_new(card, hardware, hwshare, &chip); 1815 if (err < 0) 1816 return err; 1817 1818 chip->irq = -1; 1819 chip->dma1 = -1; 1820 chip->dma2 = -1; 1821 1822 chip->res_port = request_region(port, 4, "WSS"); 1823 if (!chip->res_port) { 1824 snd_printk(KERN_ERR "wss: can't grab port 0x%lx\n", port); 1825 snd_wss_free(chip); 1826 return -EBUSY; 1827 } 1828 chip->port = port; 1829 if ((long)cport >= 0) { 1830 chip->res_cport = request_region(cport, 8, "CS4232 Control"); 1831 if (!chip->res_cport) { 1832 snd_printk(KERN_ERR 1833 "wss: can't grab control port 0x%lx\n", cport); 1834 snd_wss_free(chip); 1835 return -ENODEV; 1836 } 1837 } 1838 chip->cport = cport; 1839 if (!(hwshare & WSS_HWSHARE_IRQ)) 1840 if (request_irq(irq, snd_wss_interrupt, 0, 1841 "WSS", (void *) chip)) { 1842 snd_printk(KERN_ERR "wss: can't grab IRQ %d\n", irq); 1843 snd_wss_free(chip); 1844 return -EBUSY; 1845 } 1846 chip->irq = irq; 1847 if (!(hwshare & WSS_HWSHARE_DMA1) && request_dma(dma1, "WSS - 1")) { 1848 snd_printk(KERN_ERR "wss: can't grab DMA1 %d\n", dma1); 1849 snd_wss_free(chip); 1850 return -EBUSY; 1851 } 1852 chip->dma1 = dma1; 1853 if (!(hwshare & WSS_HWSHARE_DMA2) && dma1 != dma2 && 1854 dma2 >= 0 && request_dma(dma2, "WSS - 2")) { 1855 snd_printk(KERN_ERR "wss: can't grab DMA2 %d\n", dma2); 1856 snd_wss_free(chip); 1857 return -EBUSY; 1858 } 1859 if (dma1 == dma2 || dma2 < 0) { 1860 chip->single_dma = 1; 1861 chip->dma2 = chip->dma1; 1862 } else 1863 chip->dma2 = dma2; 1864 1865 if (hardware == WSS_HW_THINKPAD) { 1866 chip->thinkpad_flag = 1; 1867 chip->hardware = WSS_HW_DETECT; /* reset */ 1868 snd_wss_thinkpad_twiddle(chip, 1); 1869 } 1870 1871 /* global setup */ 1872 if (snd_wss_probe(chip) < 0) { 1873 snd_wss_free(chip); 1874 return -ENODEV; 1875 } 1876 snd_wss_init(chip); 1877 1878#if 0 1879 if (chip->hardware & WSS_HW_CS4232_MASK) { 1880 if (chip->res_cport == NULL) 1881 snd_printk(KERN_ERR "CS4232 control port features are " 1882 "not accessible\n"); 1883 } 1884#endif 1885 1886 /* Register device */ 1887 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 1888 if (err < 0) { 1889 snd_wss_free(chip); 1890 return err; 1891 } 1892 1893#ifdef CONFIG_PM 1894 /* Power Management */ 1895 chip->suspend = snd_wss_suspend; 1896 chip->resume = snd_wss_resume; 1897#endif 1898 1899 *rchip = chip; 1900 return 0; 1901} 1902EXPORT_SYMBOL(snd_wss_create); 1903 1904static struct snd_pcm_ops snd_wss_playback_ops = { 1905 .open = snd_wss_playback_open, 1906 .close = snd_wss_playback_close, 1907 .ioctl = snd_pcm_lib_ioctl, 1908 .hw_params = snd_wss_playback_hw_params, 1909 .hw_free = snd_wss_playback_hw_free, 1910 .prepare = snd_wss_playback_prepare, 1911 .trigger = snd_wss_trigger, 1912 .pointer = snd_wss_playback_pointer, 1913}; 1914 1915static struct snd_pcm_ops snd_wss_capture_ops = { 1916 .open = snd_wss_capture_open, 1917 .close = snd_wss_capture_close, 1918 .ioctl = snd_pcm_lib_ioctl, 1919 .hw_params = snd_wss_capture_hw_params, 1920 .hw_free = snd_wss_capture_hw_free, 1921 .prepare = snd_wss_capture_prepare, 1922 .trigger = snd_wss_trigger, 1923 .pointer = snd_wss_capture_pointer, 1924}; 1925 1926int snd_wss_pcm(struct snd_wss *chip, int device) 1927{ 1928 struct snd_pcm *pcm; 1929 int err; 1930 1931 err = snd_pcm_new(chip->card, "WSS", device, 1, 1, &pcm); 1932 if (err < 0) 1933 return err; 1934 1935 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_wss_playback_ops); 1936 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_wss_capture_ops); 1937 1938 /* global setup */ 1939 pcm->private_data = chip; 1940 pcm->info_flags = 0; 1941 if (chip->single_dma) 1942 pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX; 1943 if (chip->hardware != WSS_HW_INTERWAVE) 1944 pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX; 1945 strcpy(pcm->name, snd_wss_chip_id(chip)); 1946 1947 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1948 snd_dma_isa_data(), 1949 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024); 1950 1951 chip->pcm = pcm; 1952 return 0; 1953} 1954EXPORT_SYMBOL(snd_wss_pcm); 1955 1956static void snd_wss_timer_free(struct snd_timer *timer) 1957{ 1958 struct snd_wss *chip = timer->private_data; 1959 chip->timer = NULL; 1960} 1961 1962int snd_wss_timer(struct snd_wss *chip, int device) 1963{ 1964 struct snd_timer *timer; 1965 struct snd_timer_id tid; 1966 int err; 1967 1968 /* Timer initialization */ 1969 tid.dev_class = SNDRV_TIMER_CLASS_CARD; 1970 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; 1971 tid.card = chip->card->number; 1972 tid.device = device; 1973 tid.subdevice = 0; 1974 if ((err = snd_timer_new(chip->card, "CS4231", &tid, &timer)) < 0) 1975 return err; 1976 strcpy(timer->name, snd_wss_chip_id(chip)); 1977 timer->private_data = chip; 1978 timer->private_free = snd_wss_timer_free; 1979 timer->hw = snd_wss_timer_table; 1980 chip->timer = timer; 1981 return 0; 1982} 1983EXPORT_SYMBOL(snd_wss_timer); 1984 1985/* 1986 * MIXER part 1987 */ 1988 1989static int snd_wss_info_mux(struct snd_kcontrol *kcontrol, 1990 struct snd_ctl_elem_info *uinfo) 1991{ 1992 static const char * const texts[4] = { 1993 "Line", "Aux", "Mic", "Mix" 1994 }; 1995 static const char * const opl3sa_texts[4] = { 1996 "Line", "CD", "Mic", "Mix" 1997 }; 1998 static const char * const gusmax_texts[4] = { 1999 "Line", "Synth", "Mic", "Mix" 2000 }; 2001 const char * const *ptexts = texts; 2002 struct snd_wss *chip = snd_kcontrol_chip(kcontrol); 2003 2004 if (snd_BUG_ON(!chip->card)) 2005 return -EINVAL; 2006 if (!strcmp(chip->card->driver, "GUS MAX")) 2007 ptexts = gusmax_texts; 2008 switch (chip->hardware) { 2009 case WSS_HW_INTERWAVE: 2010 ptexts = gusmax_texts; 2011 break; 2012 case WSS_HW_OPTI93X: 2013 case WSS_HW_OPL3SA2: 2014 ptexts = opl3sa_texts; 2015 break; 2016 } 2017 return snd_ctl_enum_info(uinfo, 2, 4, ptexts); 2018} 2019 2020static int snd_wss_get_mux(struct snd_kcontrol *kcontrol, 2021 struct snd_ctl_elem_value *ucontrol) 2022{ 2023 struct snd_wss *chip = snd_kcontrol_chip(kcontrol); 2024 unsigned long flags; 2025 2026 spin_lock_irqsave(&chip->reg_lock, flags); 2027 ucontrol->value.enumerated.item[0] = (chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6; 2028 ucontrol->value.enumerated.item[1] = (chip->image[CS4231_RIGHT_INPUT] & CS4231_MIXS_ALL) >> 6; 2029 spin_unlock_irqrestore(&chip->reg_lock, flags); 2030 return 0; 2031} 2032 2033static int snd_wss_put_mux(struct snd_kcontrol *kcontrol, 2034 struct snd_ctl_elem_value *ucontrol) 2035{ 2036 struct snd_wss *chip = snd_kcontrol_chip(kcontrol); 2037 unsigned long flags; 2038 unsigned short left, right; 2039 int change; 2040 2041 if (ucontrol->value.enumerated.item[0] > 3 || 2042 ucontrol->value.enumerated.item[1] > 3) 2043 return -EINVAL; 2044 left = ucontrol->value.enumerated.item[0] << 6; 2045 right = ucontrol->value.enumerated.item[1] << 6; 2046 spin_lock_irqsave(&chip->reg_lock, flags); 2047 left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left; 2048 right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right; 2049 change = left != chip->image[CS4231_LEFT_INPUT] || 2050 right != chip->image[CS4231_RIGHT_INPUT]; 2051 snd_wss_out(chip, CS4231_LEFT_INPUT, left); 2052 snd_wss_out(chip, CS4231_RIGHT_INPUT, right); 2053 spin_unlock_irqrestore(&chip->reg_lock, flags); 2054 return change; 2055} 2056 2057int snd_wss_info_single(struct snd_kcontrol *kcontrol, 2058 struct snd_ctl_elem_info *uinfo) 2059{ 2060 int mask = (kcontrol->private_value >> 16) & 0xff; 2061 2062 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 2063 uinfo->count = 1; 2064 uinfo->value.integer.min = 0; 2065 uinfo->value.integer.max = mask; 2066 return 0; 2067} 2068EXPORT_SYMBOL(snd_wss_info_single); 2069 2070int snd_wss_get_single(struct snd_kcontrol *kcontrol, 2071 struct snd_ctl_elem_value *ucontrol) 2072{ 2073 struct snd_wss *chip = snd_kcontrol_chip(kcontrol); 2074 unsigned long flags; 2075 int reg = kcontrol->private_value & 0xff; 2076 int shift = (kcontrol->private_value >> 8) & 0xff; 2077 int mask = (kcontrol->private_value >> 16) & 0xff; 2078 int invert = (kcontrol->private_value >> 24) & 0xff; 2079 2080 spin_lock_irqsave(&chip->reg_lock, flags); 2081 ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; 2082 spin_unlock_irqrestore(&chip->reg_lock, flags); 2083 if (invert) 2084 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 2085 return 0; 2086} 2087EXPORT_SYMBOL(snd_wss_get_single); 2088 2089int snd_wss_put_single(struct snd_kcontrol *kcontrol, 2090 struct snd_ctl_elem_value *ucontrol) 2091{ 2092 struct snd_wss *chip = snd_kcontrol_chip(kcontrol); 2093 unsigned long flags; 2094 int reg = kcontrol->private_value & 0xff; 2095 int shift = (kcontrol->private_value >> 8) & 0xff; 2096 int mask = (kcontrol->private_value >> 16) & 0xff; 2097 int invert = (kcontrol->private_value >> 24) & 0xff; 2098 int change; 2099 unsigned short val; 2100 2101 val = (ucontrol->value.integer.value[0] & mask); 2102 if (invert) 2103 val = mask - val; 2104 val <<= shift; 2105 spin_lock_irqsave(&chip->reg_lock, flags); 2106 val = (chip->image[reg] & ~(mask << shift)) | val; 2107 change = val != chip->image[reg]; 2108 snd_wss_out(chip, reg, val); 2109 spin_unlock_irqrestore(&chip->reg_lock, flags); 2110 return change; 2111} 2112EXPORT_SYMBOL(snd_wss_put_single); 2113 2114int snd_wss_info_double(struct snd_kcontrol *kcontrol, 2115 struct snd_ctl_elem_info *uinfo) 2116{ 2117 int mask = (kcontrol->private_value >> 24) & 0xff; 2118 2119 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 2120 uinfo->count = 2; 2121 uinfo->value.integer.min = 0; 2122 uinfo->value.integer.max = mask; 2123 return 0; 2124} 2125EXPORT_SYMBOL(snd_wss_info_double); 2126 2127int snd_wss_get_double(struct snd_kcontrol *kcontrol, 2128 struct snd_ctl_elem_value *ucontrol) 2129{ 2130 struct snd_wss *chip = snd_kcontrol_chip(kcontrol); 2131 unsigned long flags; 2132 int left_reg = kcontrol->private_value & 0xff; 2133 int right_reg = (kcontrol->private_value >> 8) & 0xff; 2134 int shift_left = (kcontrol->private_value >> 16) & 0x07; 2135 int shift_right = (kcontrol->private_value >> 19) & 0x07; 2136 int mask = (kcontrol->private_value >> 24) & 0xff; 2137 int invert = (kcontrol->private_value >> 22) & 1; 2138 2139 spin_lock_irqsave(&chip->reg_lock, flags); 2140 ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask; 2141 ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask; 2142 spin_unlock_irqrestore(&chip->reg_lock, flags); 2143 if (invert) { 2144 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 2145 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 2146 } 2147 return 0; 2148} 2149EXPORT_SYMBOL(snd_wss_get_double); 2150 2151int snd_wss_put_double(struct snd_kcontrol *kcontrol, 2152 struct snd_ctl_elem_value *ucontrol) 2153{ 2154 struct snd_wss *chip = snd_kcontrol_chip(kcontrol); 2155 unsigned long flags; 2156 int left_reg = kcontrol->private_value & 0xff; 2157 int right_reg = (kcontrol->private_value >> 8) & 0xff; 2158 int shift_left = (kcontrol->private_value >> 16) & 0x07; 2159 int shift_right = (kcontrol->private_value >> 19) & 0x07; 2160 int mask = (kcontrol->private_value >> 24) & 0xff; 2161 int invert = (kcontrol->private_value >> 22) & 1; 2162 int change; 2163 unsigned short val1, val2; 2164 2165 val1 = ucontrol->value.integer.value[0] & mask; 2166 val2 = ucontrol->value.integer.value[1] & mask; 2167 if (invert) { 2168 val1 = mask - val1; 2169 val2 = mask - val2; 2170 } 2171 val1 <<= shift_left; 2172 val2 <<= shift_right; 2173 spin_lock_irqsave(&chip->reg_lock, flags); 2174 if (left_reg != right_reg) { 2175 val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; 2176 val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; 2177 change = val1 != chip->image[left_reg] || 2178 val2 != chip->image[right_reg]; 2179 snd_wss_out(chip, left_reg, val1); 2180 snd_wss_out(chip, right_reg, val2); 2181 } else { 2182 mask = (mask << shift_left) | (mask << shift_right); 2183 val1 = (chip->image[left_reg] & ~mask) | val1 | val2; 2184 change = val1 != chip->image[left_reg]; 2185 snd_wss_out(chip, left_reg, val1); 2186 } 2187 spin_unlock_irqrestore(&chip->reg_lock, flags); 2188 return change; 2189} 2190EXPORT_SYMBOL(snd_wss_put_double); 2191 2192static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 2193static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 2194static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 2195static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 2196 2197static struct snd_kcontrol_new snd_wss_controls[] = { 2198WSS_DOUBLE("PCM Playback Switch", 0, 2199 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), 2200WSS_DOUBLE_TLV("PCM Playback Volume", 0, 2201 CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1, 2202 db_scale_6bit), 2203WSS_DOUBLE("Aux Playback Switch", 0, 2204 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), 2205WSS_DOUBLE_TLV("Aux Playback Volume", 0, 2206 CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1, 2207 db_scale_5bit_12db_max), 2208WSS_DOUBLE("Aux Playback Switch", 1, 2209 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), 2210WSS_DOUBLE_TLV("Aux Playback Volume", 1, 2211 CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1, 2212 db_scale_5bit_12db_max), 2213WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 2214 0, 0, 15, 0, db_scale_rec_gain), 2215{ 2216 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2217 .name = "Capture Source", 2218 .info = snd_wss_info_mux, 2219 .get = snd_wss_get_mux, 2220 .put = snd_wss_put_mux, 2221}, 2222WSS_DOUBLE("Mic Boost (+20dB)", 0, 2223 CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0), 2224WSS_SINGLE("Loopback Capture Switch", 0, 2225 CS4231_LOOPBACK, 0, 1, 0), 2226WSS_SINGLE_TLV("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1, 2227 db_scale_6bit), 2228WSS_DOUBLE("Line Playback Switch", 0, 2229 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), 2230WSS_DOUBLE_TLV("Line Playback Volume", 0, 2231 CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1, 2232 db_scale_5bit_12db_max), 2233WSS_SINGLE("Beep Playback Switch", 0, 2234 CS4231_MONO_CTRL, 7, 1, 1), 2235WSS_SINGLE_TLV("Beep Playback Volume", 0, 2236 CS4231_MONO_CTRL, 0, 15, 1, 2237 db_scale_4bit), 2238WSS_SINGLE("Mono Output Playback Switch", 0, 2239 CS4231_MONO_CTRL, 6, 1, 1), 2240WSS_SINGLE("Beep Bypass Playback Switch", 0, 2241 CS4231_MONO_CTRL, 5, 1, 0), 2242}; 2243 2244int snd_wss_mixer(struct snd_wss *chip) 2245{ 2246 struct snd_card *card; 2247 unsigned int idx; 2248 int err; 2249 int count = ARRAY_SIZE(snd_wss_controls); 2250 2251 if (snd_BUG_ON(!chip || !chip->pcm)) 2252 return -EINVAL; 2253 2254 card = chip->card; 2255 2256 strcpy(card->mixername, chip->pcm->name); 2257 2258 /* Use only the first 11 entries on AD1848 */ 2259 if (chip->hardware & WSS_HW_AD1848_MASK) 2260 count = 11; 2261 /* There is no loopback on OPTI93X */ 2262 else if (chip->hardware == WSS_HW_OPTI93X) 2263 count = 9; 2264 2265 for (idx = 0; idx < count; idx++) { 2266 err = snd_ctl_add(card, 2267 snd_ctl_new1(&snd_wss_controls[idx], 2268 chip)); 2269 if (err < 0) 2270 return err; 2271 } 2272 return 0; 2273} 2274EXPORT_SYMBOL(snd_wss_mixer); 2275 2276const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction) 2277{ 2278 return direction == SNDRV_PCM_STREAM_PLAYBACK ? 2279 &snd_wss_playback_ops : &snd_wss_capture_ops; 2280} 2281EXPORT_SYMBOL(snd_wss_get_pcm_ops); 2282 2283/* 2284 * INIT part 2285 */ 2286 2287static int __init alsa_wss_init(void) 2288{ 2289 return 0; 2290} 2291 2292static void __exit alsa_wss_exit(void) 2293{ 2294} 2295 2296module_init(alsa_wss_init); 2297module_exit(alsa_wss_exit); 2298