1 /* 2 * Driver for ESS Solo-1 (ES1938, ES1946, ES1969) soundcard 3 * Copyright (c) by Jaromir Koutek <miri@punknet.cz>, 4 * Jaroslav Kysela <perex@perex.cz>, 5 * Thomas Sailer <sailer@ife.ee.ethz.ch>, 6 * Abramo Bagnara <abramo@alsa-project.org>, 7 * Markus Gruber <gruber@eikon.tum.de> 8 * 9 * Rewritten from sonicvibes.c source. 10 * 11 * TODO: 12 * Rewrite better spinlocks 13 * 14 * 15 * This program is free software; you can redistribute it and/or modify 16 * it under the terms of the GNU General Public License as published by 17 * the Free Software Foundation; either version 2 of the License, or 18 * (at your option) any later version. 19 * 20 * This program is distributed in the hope that it will be useful, 21 * but WITHOUT ANY WARRANTY; without even the implied warranty of 22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 23 * GNU General Public License for more details. 24 * 25 * You should have received a copy of the GNU General Public License 26 * along with this program; if not, write to the Free Software 27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 28 * 29 */ 30 31 /* 32 NOTES: 33 - Capture data is written unaligned starting from dma_base + 1 so I need to 34 disable mmap and to add a copy callback. 35 - After several cycle of the following: 36 while : ; do arecord -d1 -f cd -t raw | aplay -f cd ; done 37 a "playback write error (DMA or IRQ trouble?)" may happen. 38 This is due to playback interrupts not generated. 39 I suspect a timing issue. 40 - Sometimes the interrupt handler is invoked wrongly during playback. 41 This generates some harmless "Unexpected hw_pointer: wrong interrupt 42 acknowledge". 43 I've seen that using small period sizes. 44 Reproducible with: 45 mpg123 test.mp3 & 46 hdparm -t -T /dev/hda 47 */ 48 49 50 #include <linux/init.h> 51 #include <linux/interrupt.h> 52 #include <linux/pci.h> 53 #include <linux/slab.h> 54 #include <linux/gameport.h> 55 #include <linux/module.h> 56 #include <linux/delay.h> 57 #include <linux/dma-mapping.h> 58 #include <sound/core.h> 59 #include <sound/control.h> 60 #include <sound/pcm.h> 61 #include <sound/opl3.h> 62 #include <sound/mpu401.h> 63 #include <sound/initval.h> 64 #include <sound/tlv.h> 65 66 #include <asm/io.h> 67 68 MODULE_AUTHOR("Jaromir Koutek <miri@punknet.cz>"); 69 MODULE_DESCRIPTION("ESS Solo-1"); 70 MODULE_LICENSE("GPL"); 71 MODULE_SUPPORTED_DEVICE("{{ESS,ES1938}," 72 "{ESS,ES1946}," 73 "{ESS,ES1969}," 74 "{TerraTec,128i PCI}}"); 75 76 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) 77 #define SUPPORT_JOYSTICK 1 78 #endif 79 80 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 81 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 82 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 83 84 module_param_array(index, int, NULL, 0444); 85 MODULE_PARM_DESC(index, "Index value for ESS Solo-1 soundcard."); 86 module_param_array(id, charp, NULL, 0444); 87 MODULE_PARM_DESC(id, "ID string for ESS Solo-1 soundcard."); 88 module_param_array(enable, bool, NULL, 0444); 89 MODULE_PARM_DESC(enable, "Enable ESS Solo-1 soundcard."); 90 91 #define SLIO_REG(chip, x) ((chip)->io_port + ESSIO_REG_##x) 92 93 #define SLDM_REG(chip, x) ((chip)->ddma_port + ESSDM_REG_##x) 94 95 #define SLSB_REG(chip, x) ((chip)->sb_port + ESSSB_REG_##x) 96 97 #define SL_PCI_LEGACYCONTROL 0x40 98 #define SL_PCI_CONFIG 0x50 99 #define SL_PCI_DDMACONTROL 0x60 100 101 #define ESSIO_REG_AUDIO2DMAADDR 0 102 #define ESSIO_REG_AUDIO2DMACOUNT 4 103 #define ESSIO_REG_AUDIO2MODE 6 104 #define ESSIO_REG_IRQCONTROL 7 105 106 #define ESSDM_REG_DMAADDR 0x00 107 #define ESSDM_REG_DMACOUNT 0x04 108 #define ESSDM_REG_DMACOMMAND 0x08 109 #define ESSDM_REG_DMASTATUS 0x08 110 #define ESSDM_REG_DMAMODE 0x0b 111 #define ESSDM_REG_DMACLEAR 0x0d 112 #define ESSDM_REG_DMAMASK 0x0f 113 114 #define ESSSB_REG_FMLOWADDR 0x00 115 #define ESSSB_REG_FMHIGHADDR 0x02 116 #define ESSSB_REG_MIXERADDR 0x04 117 #define ESSSB_REG_MIXERDATA 0x05 118 119 #define ESSSB_IREG_AUDIO1 0x14 120 #define ESSSB_IREG_MICMIX 0x1a 121 #define ESSSB_IREG_RECSRC 0x1c 122 #define ESSSB_IREG_MASTER 0x32 123 #define ESSSB_IREG_FM 0x36 124 #define ESSSB_IREG_AUXACD 0x38 125 #define ESSSB_IREG_AUXB 0x3a 126 #define ESSSB_IREG_PCSPEAKER 0x3c 127 #define ESSSB_IREG_LINE 0x3e 128 #define ESSSB_IREG_SPATCONTROL 0x50 129 #define ESSSB_IREG_SPATLEVEL 0x52 130 #define ESSSB_IREG_MASTER_LEFT 0x60 131 #define ESSSB_IREG_MASTER_RIGHT 0x62 132 #define ESSSB_IREG_MPU401CONTROL 0x64 133 #define ESSSB_IREG_MICMIXRECORD 0x68 134 #define ESSSB_IREG_AUDIO2RECORD 0x69 135 #define ESSSB_IREG_AUXACDRECORD 0x6a 136 #define ESSSB_IREG_FMRECORD 0x6b 137 #define ESSSB_IREG_AUXBRECORD 0x6c 138 #define ESSSB_IREG_MONO 0x6d 139 #define ESSSB_IREG_LINERECORD 0x6e 140 #define ESSSB_IREG_MONORECORD 0x6f 141 #define ESSSB_IREG_AUDIO2SAMPLE 0x70 142 #define ESSSB_IREG_AUDIO2MODE 0x71 143 #define ESSSB_IREG_AUDIO2FILTER 0x72 144 #define ESSSB_IREG_AUDIO2TCOUNTL 0x74 145 #define ESSSB_IREG_AUDIO2TCOUNTH 0x76 146 #define ESSSB_IREG_AUDIO2CONTROL1 0x78 147 #define ESSSB_IREG_AUDIO2CONTROL2 0x7a 148 #define ESSSB_IREG_AUDIO2 0x7c 149 150 #define ESSSB_REG_RESET 0x06 151 152 #define ESSSB_REG_READDATA 0x0a 153 #define ESSSB_REG_WRITEDATA 0x0c 154 #define ESSSB_REG_READSTATUS 0x0c 155 156 #define ESSSB_REG_STATUS 0x0e 157 158 #define ESS_CMD_EXTSAMPLERATE 0xa1 159 #define ESS_CMD_FILTERDIV 0xa2 160 #define ESS_CMD_DMACNTRELOADL 0xa4 161 #define ESS_CMD_DMACNTRELOADH 0xa5 162 #define ESS_CMD_ANALOGCONTROL 0xa8 163 #define ESS_CMD_IRQCONTROL 0xb1 164 #define ESS_CMD_DRQCONTROL 0xb2 165 #define ESS_CMD_RECLEVEL 0xb4 166 #define ESS_CMD_SETFORMAT 0xb6 167 #define ESS_CMD_SETFORMAT2 0xb7 168 #define ESS_CMD_DMACONTROL 0xb8 169 #define ESS_CMD_DMATYPE 0xb9 170 #define ESS_CMD_OFFSETLEFT 0xba 171 #define ESS_CMD_OFFSETRIGHT 0xbb 172 #define ESS_CMD_READREG 0xc0 173 #define ESS_CMD_ENABLEEXT 0xc6 174 #define ESS_CMD_PAUSEDMA 0xd0 175 #define ESS_CMD_ENABLEAUDIO1 0xd1 176 #define ESS_CMD_STOPAUDIO1 0xd3 177 #define ESS_CMD_AUDIO1STATUS 0xd8 178 #define ESS_CMD_CONTDMA 0xd4 179 #define ESS_CMD_TESTIRQ 0xf2 180 181 #define ESS_RECSRC_MIC 0 182 #define ESS_RECSRC_AUXACD 2 183 #define ESS_RECSRC_AUXB 5 184 #define ESS_RECSRC_LINE 6 185 #define ESS_RECSRC_NONE 7 186 187 #define DAC1 0x01 188 #define ADC1 0x02 189 #define DAC2 0x04 190 191 /* 192 193 */ 194 195 #define SAVED_REG_SIZE 32 /* max. number of registers to save */ 196 197 struct es1938 { 198 int irq; 199 200 unsigned long io_port; 201 unsigned long sb_port; 202 unsigned long vc_port; 203 unsigned long mpu_port; 204 unsigned long game_port; 205 unsigned long ddma_port; 206 207 unsigned char irqmask; 208 unsigned char revision; 209 210 struct snd_kcontrol *hw_volume; 211 struct snd_kcontrol *hw_switch; 212 struct snd_kcontrol *master_volume; 213 struct snd_kcontrol *master_switch; 214 215 struct pci_dev *pci; 216 struct snd_card *card; 217 struct snd_pcm *pcm; 218 struct snd_pcm_substream *capture_substream; 219 struct snd_pcm_substream *playback1_substream; 220 struct snd_pcm_substream *playback2_substream; 221 struct snd_rawmidi *rmidi; 222 223 unsigned int dma1_size; 224 unsigned int dma2_size; 225 unsigned int dma1_start; 226 unsigned int dma2_start; 227 unsigned int dma1_shift; 228 unsigned int dma2_shift; 229 unsigned int last_capture_dmaaddr; 230 unsigned int active; 231 232 spinlock_t reg_lock; 233 spinlock_t mixer_lock; 234 struct snd_info_entry *proc_entry; 235 236 #ifdef SUPPORT_JOYSTICK 237 struct gameport *gameport; 238 #endif 239 #ifdef CONFIG_PM_SLEEP 240 unsigned char saved_regs[SAVED_REG_SIZE]; 241 #endif 242 }; 243 244 static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id); 245 246 static const struct pci_device_id snd_es1938_ids[] = { 247 { PCI_VDEVICE(ESS, 0x1969), 0, }, /* Solo-1 */ 248 { 0, } 249 }; 250 251 MODULE_DEVICE_TABLE(pci, snd_es1938_ids); 252 253 #define RESET_LOOP_TIMEOUT 0x10000 254 #define WRITE_LOOP_TIMEOUT 0x10000 255 #define GET_LOOP_TIMEOUT 0x01000 256 257 /* ----------------------------------------------------------------- 258 * Write to a mixer register 259 * -----------------------------------------------------------------*/ 260 static void snd_es1938_mixer_write(struct es1938 *chip, unsigned char reg, unsigned char val) 261 { 262 unsigned long flags; 263 spin_lock_irqsave(&chip->mixer_lock, flags); 264 outb(reg, SLSB_REG(chip, MIXERADDR)); 265 outb(val, SLSB_REG(chip, MIXERDATA)); 266 spin_unlock_irqrestore(&chip->mixer_lock, flags); 267 dev_dbg(chip->card->dev, "Mixer reg %02x set to %02x\n", reg, val); 268 } 269 270 /* ----------------------------------------------------------------- 271 * Read from a mixer register 272 * -----------------------------------------------------------------*/ 273 static int snd_es1938_mixer_read(struct es1938 *chip, unsigned char reg) 274 { 275 int data; 276 unsigned long flags; 277 spin_lock_irqsave(&chip->mixer_lock, flags); 278 outb(reg, SLSB_REG(chip, MIXERADDR)); 279 data = inb(SLSB_REG(chip, MIXERDATA)); 280 spin_unlock_irqrestore(&chip->mixer_lock, flags); 281 dev_dbg(chip->card->dev, "Mixer reg %02x now is %02x\n", reg, data); 282 return data; 283 } 284 285 /* ----------------------------------------------------------------- 286 * Write to some bits of a mixer register (return old value) 287 * -----------------------------------------------------------------*/ 288 static int snd_es1938_mixer_bits(struct es1938 *chip, unsigned char reg, 289 unsigned char mask, unsigned char val) 290 { 291 unsigned long flags; 292 unsigned char old, new, oval; 293 spin_lock_irqsave(&chip->mixer_lock, flags); 294 outb(reg, SLSB_REG(chip, MIXERADDR)); 295 old = inb(SLSB_REG(chip, MIXERDATA)); 296 oval = old & mask; 297 if (val != oval) { 298 new = (old & ~mask) | (val & mask); 299 outb(new, SLSB_REG(chip, MIXERDATA)); 300 dev_dbg(chip->card->dev, 301 "Mixer reg %02x was %02x, set to %02x\n", 302 reg, old, new); 303 } 304 spin_unlock_irqrestore(&chip->mixer_lock, flags); 305 return oval; 306 } 307 308 /* ----------------------------------------------------------------- 309 * Write command to Controller Registers 310 * -----------------------------------------------------------------*/ 311 static void snd_es1938_write_cmd(struct es1938 *chip, unsigned char cmd) 312 { 313 int i; 314 unsigned char v; 315 for (i = 0; i < WRITE_LOOP_TIMEOUT; i++) { 316 if (!(v = inb(SLSB_REG(chip, READSTATUS)) & 0x80)) { 317 outb(cmd, SLSB_REG(chip, WRITEDATA)); 318 return; 319 } 320 } 321 dev_err(chip->card->dev, 322 "snd_es1938_write_cmd timeout (0x02%x/0x02%x)\n", cmd, v); 323 } 324 325 /* ----------------------------------------------------------------- 326 * Read the Read Data Buffer 327 * -----------------------------------------------------------------*/ 328 static int snd_es1938_get_byte(struct es1938 *chip) 329 { 330 int i; 331 unsigned char v; 332 for (i = GET_LOOP_TIMEOUT; i; i--) 333 if ((v = inb(SLSB_REG(chip, STATUS))) & 0x80) 334 return inb(SLSB_REG(chip, READDATA)); 335 dev_err(chip->card->dev, "get_byte timeout: status 0x02%x\n", v); 336 return -ENODEV; 337 } 338 339 /* ----------------------------------------------------------------- 340 * Write value cmd register 341 * -----------------------------------------------------------------*/ 342 static void snd_es1938_write(struct es1938 *chip, unsigned char reg, unsigned char val) 343 { 344 unsigned long flags; 345 spin_lock_irqsave(&chip->reg_lock, flags); 346 snd_es1938_write_cmd(chip, reg); 347 snd_es1938_write_cmd(chip, val); 348 spin_unlock_irqrestore(&chip->reg_lock, flags); 349 dev_dbg(chip->card->dev, "Reg %02x set to %02x\n", reg, val); 350 } 351 352 /* ----------------------------------------------------------------- 353 * Read data from cmd register and return it 354 * -----------------------------------------------------------------*/ 355 static unsigned char snd_es1938_read(struct es1938 *chip, unsigned char reg) 356 { 357 unsigned char val; 358 unsigned long flags; 359 spin_lock_irqsave(&chip->reg_lock, flags); 360 snd_es1938_write_cmd(chip, ESS_CMD_READREG); 361 snd_es1938_write_cmd(chip, reg); 362 val = snd_es1938_get_byte(chip); 363 spin_unlock_irqrestore(&chip->reg_lock, flags); 364 dev_dbg(chip->card->dev, "Reg %02x now is %02x\n", reg, val); 365 return val; 366 } 367 368 /* ----------------------------------------------------------------- 369 * Write data to cmd register and return old value 370 * -----------------------------------------------------------------*/ 371 static int snd_es1938_bits(struct es1938 *chip, unsigned char reg, unsigned char mask, 372 unsigned char val) 373 { 374 unsigned long flags; 375 unsigned char old, new, oval; 376 spin_lock_irqsave(&chip->reg_lock, flags); 377 snd_es1938_write_cmd(chip, ESS_CMD_READREG); 378 snd_es1938_write_cmd(chip, reg); 379 old = snd_es1938_get_byte(chip); 380 oval = old & mask; 381 if (val != oval) { 382 snd_es1938_write_cmd(chip, reg); 383 new = (old & ~mask) | (val & mask); 384 snd_es1938_write_cmd(chip, new); 385 dev_dbg(chip->card->dev, "Reg %02x was %02x, set to %02x\n", 386 reg, old, new); 387 } 388 spin_unlock_irqrestore(&chip->reg_lock, flags); 389 return oval; 390 } 391 392 /* -------------------------------------------------------------------- 393 * Reset the chip 394 * --------------------------------------------------------------------*/ 395 static void snd_es1938_reset(struct es1938 *chip) 396 { 397 int i; 398 399 outb(3, SLSB_REG(chip, RESET)); 400 inb(SLSB_REG(chip, RESET)); 401 outb(0, SLSB_REG(chip, RESET)); 402 for (i = 0; i < RESET_LOOP_TIMEOUT; i++) { 403 if (inb(SLSB_REG(chip, STATUS)) & 0x80) { 404 if (inb(SLSB_REG(chip, READDATA)) == 0xaa) 405 goto __next; 406 } 407 } 408 dev_err(chip->card->dev, "ESS Solo-1 reset failed\n"); 409 410 __next: 411 snd_es1938_write_cmd(chip, ESS_CMD_ENABLEEXT); 412 413 /* Demand transfer DMA: 4 bytes per DMA request */ 414 snd_es1938_write(chip, ESS_CMD_DMATYPE, 2); 415 416 /* Change behaviour of register A1 417 4x oversampling 418 2nd channel DAC asynchronous */ 419 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2MODE, 0x32); 420 /* enable/select DMA channel and IRQ channel */ 421 snd_es1938_bits(chip, ESS_CMD_IRQCONTROL, 0xf0, 0x50); 422 snd_es1938_bits(chip, ESS_CMD_DRQCONTROL, 0xf0, 0x50); 423 snd_es1938_write_cmd(chip, ESS_CMD_ENABLEAUDIO1); 424 /* Set spatializer parameters to recommended values */ 425 snd_es1938_mixer_write(chip, 0x54, 0x8f); 426 snd_es1938_mixer_write(chip, 0x56, 0x95); 427 snd_es1938_mixer_write(chip, 0x58, 0x94); 428 snd_es1938_mixer_write(chip, 0x5a, 0x80); 429 } 430 431 /* -------------------------------------------------------------------- 432 * Reset the FIFOs 433 * --------------------------------------------------------------------*/ 434 static void snd_es1938_reset_fifo(struct es1938 *chip) 435 { 436 outb(2, SLSB_REG(chip, RESET)); 437 outb(0, SLSB_REG(chip, RESET)); 438 } 439 440 static struct snd_ratnum clocks[2] = { 441 { 442 .num = 793800, 443 .den_min = 1, 444 .den_max = 128, 445 .den_step = 1, 446 }, 447 { 448 .num = 768000, 449 .den_min = 1, 450 .den_max = 128, 451 .den_step = 1, 452 } 453 }; 454 455 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 456 .nrats = 2, 457 .rats = clocks, 458 }; 459 460 461 static void snd_es1938_rate_set(struct es1938 *chip, 462 struct snd_pcm_substream *substream, 463 int mode) 464 { 465 unsigned int bits, div0; 466 struct snd_pcm_runtime *runtime = substream->runtime; 467 if (runtime->rate_num == clocks[0].num) 468 bits = 128 - runtime->rate_den; 469 else 470 bits = 256 - runtime->rate_den; 471 472 /* set filter register */ 473 div0 = 256 - 7160000*20/(8*82*runtime->rate); 474 475 if (mode == DAC2) { 476 snd_es1938_mixer_write(chip, 0x70, bits); 477 snd_es1938_mixer_write(chip, 0x72, div0); 478 } else { 479 snd_es1938_write(chip, 0xA1, bits); 480 snd_es1938_write(chip, 0xA2, div0); 481 } 482 } 483 484 /* -------------------------------------------------------------------- 485 * Configure Solo1 builtin DMA Controller 486 * --------------------------------------------------------------------*/ 487 488 static void snd_es1938_playback1_setdma(struct es1938 *chip) 489 { 490 outb(0x00, SLIO_REG(chip, AUDIO2MODE)); 491 outl(chip->dma2_start, SLIO_REG(chip, AUDIO2DMAADDR)); 492 outw(0, SLIO_REG(chip, AUDIO2DMACOUNT)); 493 outw(chip->dma2_size, SLIO_REG(chip, AUDIO2DMACOUNT)); 494 } 495 496 static void snd_es1938_playback2_setdma(struct es1938 *chip) 497 { 498 /* Enable DMA controller */ 499 outb(0xc4, SLDM_REG(chip, DMACOMMAND)); 500 /* 1. Master reset */ 501 outb(0, SLDM_REG(chip, DMACLEAR)); 502 /* 2. Mask DMA */ 503 outb(1, SLDM_REG(chip, DMAMASK)); 504 outb(0x18, SLDM_REG(chip, DMAMODE)); 505 outl(chip->dma1_start, SLDM_REG(chip, DMAADDR)); 506 outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT)); 507 /* 3. Unmask DMA */ 508 outb(0, SLDM_REG(chip, DMAMASK)); 509 } 510 511 static void snd_es1938_capture_setdma(struct es1938 *chip) 512 { 513 /* Enable DMA controller */ 514 outb(0xc4, SLDM_REG(chip, DMACOMMAND)); 515 /* 1. Master reset */ 516 outb(0, SLDM_REG(chip, DMACLEAR)); 517 /* 2. Mask DMA */ 518 outb(1, SLDM_REG(chip, DMAMASK)); 519 outb(0x14, SLDM_REG(chip, DMAMODE)); 520 outl(chip->dma1_start, SLDM_REG(chip, DMAADDR)); 521 chip->last_capture_dmaaddr = chip->dma1_start; 522 outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT)); 523 /* 3. Unmask DMA */ 524 outb(0, SLDM_REG(chip, DMAMASK)); 525 } 526 527 /* ---------------------------------------------------------------------- 528 * 529 * *** PCM part *** 530 */ 531 532 static int snd_es1938_capture_trigger(struct snd_pcm_substream *substream, 533 int cmd) 534 { 535 struct es1938 *chip = snd_pcm_substream_chip(substream); 536 int val; 537 switch (cmd) { 538 case SNDRV_PCM_TRIGGER_START: 539 case SNDRV_PCM_TRIGGER_RESUME: 540 val = 0x0f; 541 chip->active |= ADC1; 542 break; 543 case SNDRV_PCM_TRIGGER_STOP: 544 case SNDRV_PCM_TRIGGER_SUSPEND: 545 val = 0x00; 546 chip->active &= ~ADC1; 547 break; 548 default: 549 return -EINVAL; 550 } 551 snd_es1938_write(chip, ESS_CMD_DMACONTROL, val); 552 return 0; 553 } 554 555 static int snd_es1938_playback1_trigger(struct snd_pcm_substream *substream, 556 int cmd) 557 { 558 struct es1938 *chip = snd_pcm_substream_chip(substream); 559 switch (cmd) { 560 case SNDRV_PCM_TRIGGER_START: 561 case SNDRV_PCM_TRIGGER_RESUME: 562 /* According to the documentation this should be: 563 0x13 but that value may randomly swap stereo channels */ 564 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x92); 565 udelay(10); 566 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x93); 567 /* This two stage init gives the FIFO -> DAC connection time to 568 * settle before first data from DMA flows in. This should ensure 569 * no swapping of stereo channels. Report a bug if otherwise :-) */ 570 outb(0x0a, SLIO_REG(chip, AUDIO2MODE)); 571 chip->active |= DAC2; 572 break; 573 case SNDRV_PCM_TRIGGER_STOP: 574 case SNDRV_PCM_TRIGGER_SUSPEND: 575 outb(0, SLIO_REG(chip, AUDIO2MODE)); 576 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0); 577 chip->active &= ~DAC2; 578 break; 579 default: 580 return -EINVAL; 581 } 582 return 0; 583 } 584 585 static int snd_es1938_playback2_trigger(struct snd_pcm_substream *substream, 586 int cmd) 587 { 588 struct es1938 *chip = snd_pcm_substream_chip(substream); 589 int val; 590 switch (cmd) { 591 case SNDRV_PCM_TRIGGER_START: 592 case SNDRV_PCM_TRIGGER_RESUME: 593 val = 5; 594 chip->active |= DAC1; 595 break; 596 case SNDRV_PCM_TRIGGER_STOP: 597 case SNDRV_PCM_TRIGGER_SUSPEND: 598 val = 0; 599 chip->active &= ~DAC1; 600 break; 601 default: 602 return -EINVAL; 603 } 604 snd_es1938_write(chip, ESS_CMD_DMACONTROL, val); 605 return 0; 606 } 607 608 static int snd_es1938_playback_trigger(struct snd_pcm_substream *substream, 609 int cmd) 610 { 611 switch (substream->number) { 612 case 0: 613 return snd_es1938_playback1_trigger(substream, cmd); 614 case 1: 615 return snd_es1938_playback2_trigger(substream, cmd); 616 } 617 snd_BUG(); 618 return -EINVAL; 619 } 620 621 /* -------------------------------------------------------------------- 622 * First channel for Extended Mode Audio 1 ADC Operation 623 * --------------------------------------------------------------------*/ 624 static int snd_es1938_capture_prepare(struct snd_pcm_substream *substream) 625 { 626 struct es1938 *chip = snd_pcm_substream_chip(substream); 627 struct snd_pcm_runtime *runtime = substream->runtime; 628 int u, is8, mono; 629 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 630 unsigned int count = snd_pcm_lib_period_bytes(substream); 631 632 chip->dma1_size = size; 633 chip->dma1_start = runtime->dma_addr; 634 635 mono = (runtime->channels > 1) ? 0 : 1; 636 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; 637 u = snd_pcm_format_unsigned(runtime->format); 638 639 chip->dma1_shift = 2 - mono - is8; 640 641 snd_es1938_reset_fifo(chip); 642 643 /* program type */ 644 snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1)); 645 646 /* set clock and counters */ 647 snd_es1938_rate_set(chip, substream, ADC1); 648 649 count = 0x10000 - count; 650 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff); 651 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8); 652 653 /* initialize and configure ADC */ 654 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, u ? 0x51 : 0x71); 655 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, 0x90 | 656 (u ? 0x00 : 0x20) | 657 (is8 ? 0x00 : 0x04) | 658 (mono ? 0x40 : 0x08)); 659 660 // snd_es1938_reset_fifo(chip); 661 662 /* 11. configure system interrupt controller and DMA controller */ 663 snd_es1938_capture_setdma(chip); 664 665 return 0; 666 } 667 668 669 /* ------------------------------------------------------------------------------ 670 * Second Audio channel DAC Operation 671 * ------------------------------------------------------------------------------*/ 672 static int snd_es1938_playback1_prepare(struct snd_pcm_substream *substream) 673 { 674 struct es1938 *chip = snd_pcm_substream_chip(substream); 675 struct snd_pcm_runtime *runtime = substream->runtime; 676 int u, is8, mono; 677 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 678 unsigned int count = snd_pcm_lib_period_bytes(substream); 679 680 chip->dma2_size = size; 681 chip->dma2_start = runtime->dma_addr; 682 683 mono = (runtime->channels > 1) ? 0 : 1; 684 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; 685 u = snd_pcm_format_unsigned(runtime->format); 686 687 chip->dma2_shift = 2 - mono - is8; 688 689 snd_es1938_reset_fifo(chip); 690 691 /* set clock and counters */ 692 snd_es1938_rate_set(chip, substream, DAC2); 693 694 count >>= 1; 695 count = 0x10000 - count; 696 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTL, count & 0xff); 697 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTH, count >> 8); 698 699 /* initialize and configure Audio 2 DAC */ 700 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x40 | (u ? 0 : 4) | 701 (mono ? 0 : 2) | (is8 ? 0 : 1)); 702 703 /* program DMA */ 704 snd_es1938_playback1_setdma(chip); 705 706 return 0; 707 } 708 709 static int snd_es1938_playback2_prepare(struct snd_pcm_substream *substream) 710 { 711 struct es1938 *chip = snd_pcm_substream_chip(substream); 712 struct snd_pcm_runtime *runtime = substream->runtime; 713 int u, is8, mono; 714 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 715 unsigned int count = snd_pcm_lib_period_bytes(substream); 716 717 chip->dma1_size = size; 718 chip->dma1_start = runtime->dma_addr; 719 720 mono = (runtime->channels > 1) ? 0 : 1; 721 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; 722 u = snd_pcm_format_unsigned(runtime->format); 723 724 chip->dma1_shift = 2 - mono - is8; 725 726 count = 0x10000 - count; 727 728 /* reset */ 729 snd_es1938_reset_fifo(chip); 730 731 snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1)); 732 733 /* set clock and counters */ 734 snd_es1938_rate_set(chip, substream, DAC1); 735 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff); 736 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8); 737 738 /* initialized and configure DAC */ 739 snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x80 : 0x00); 740 snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x51 : 0x71); 741 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, 742 0x90 | (mono ? 0x40 : 0x08) | 743 (is8 ? 0x00 : 0x04) | (u ? 0x00 : 0x20)); 744 745 /* program DMA */ 746 snd_es1938_playback2_setdma(chip); 747 748 return 0; 749 } 750 751 static int snd_es1938_playback_prepare(struct snd_pcm_substream *substream) 752 { 753 switch (substream->number) { 754 case 0: 755 return snd_es1938_playback1_prepare(substream); 756 case 1: 757 return snd_es1938_playback2_prepare(substream); 758 } 759 snd_BUG(); 760 return -EINVAL; 761 } 762 763 /* during the incrementing of dma counters the DMA register reads sometimes 764 returns garbage. To ensure a valid hw pointer, the following checks which 765 should be very unlikely to fail are used: 766 - is the current DMA address in the valid DMA range ? 767 - is the sum of DMA address and DMA counter pointing to the last DMA byte ? 768 One can argue this could differ by one byte depending on which register is 769 updated first, so the implementation below allows for that. 770 */ 771 static snd_pcm_uframes_t snd_es1938_capture_pointer(struct snd_pcm_substream *substream) 772 { 773 struct es1938 *chip = snd_pcm_substream_chip(substream); 774 size_t ptr; 775 #if 0 776 size_t old, new; 777 /* This stuff is *needed*, don't ask why - AB */ 778 old = inw(SLDM_REG(chip, DMACOUNT)); 779 while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old) 780 old = new; 781 ptr = chip->dma1_size - 1 - new; 782 #else 783 size_t count; 784 unsigned int diff; 785 786 ptr = inl(SLDM_REG(chip, DMAADDR)); 787 count = inw(SLDM_REG(chip, DMACOUNT)); 788 diff = chip->dma1_start + chip->dma1_size - ptr - count; 789 790 if (diff > 3 || ptr < chip->dma1_start 791 || ptr >= chip->dma1_start+chip->dma1_size) 792 ptr = chip->last_capture_dmaaddr; /* bad, use last saved */ 793 else 794 chip->last_capture_dmaaddr = ptr; /* good, remember it */ 795 796 ptr -= chip->dma1_start; 797 #endif 798 return ptr >> chip->dma1_shift; 799 } 800 801 static snd_pcm_uframes_t snd_es1938_playback1_pointer(struct snd_pcm_substream *substream) 802 { 803 struct es1938 *chip = snd_pcm_substream_chip(substream); 804 size_t ptr; 805 #if 1 806 ptr = chip->dma2_size - inw(SLIO_REG(chip, AUDIO2DMACOUNT)); 807 #else 808 ptr = inl(SLIO_REG(chip, AUDIO2DMAADDR)) - chip->dma2_start; 809 #endif 810 return ptr >> chip->dma2_shift; 811 } 812 813 static snd_pcm_uframes_t snd_es1938_playback2_pointer(struct snd_pcm_substream *substream) 814 { 815 struct es1938 *chip = snd_pcm_substream_chip(substream); 816 size_t ptr; 817 size_t old, new; 818 #if 1 819 /* This stuff is *needed*, don't ask why - AB */ 820 old = inw(SLDM_REG(chip, DMACOUNT)); 821 while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old) 822 old = new; 823 ptr = chip->dma1_size - 1 - new; 824 #else 825 ptr = inl(SLDM_REG(chip, DMAADDR)) - chip->dma1_start; 826 #endif 827 return ptr >> chip->dma1_shift; 828 } 829 830 static snd_pcm_uframes_t snd_es1938_playback_pointer(struct snd_pcm_substream *substream) 831 { 832 switch (substream->number) { 833 case 0: 834 return snd_es1938_playback1_pointer(substream); 835 case 1: 836 return snd_es1938_playback2_pointer(substream); 837 } 838 snd_BUG(); 839 return -EINVAL; 840 } 841 842 static int snd_es1938_capture_copy(struct snd_pcm_substream *substream, 843 int channel, 844 snd_pcm_uframes_t pos, 845 void __user *dst, 846 snd_pcm_uframes_t count) 847 { 848 struct snd_pcm_runtime *runtime = substream->runtime; 849 struct es1938 *chip = snd_pcm_substream_chip(substream); 850 pos <<= chip->dma1_shift; 851 count <<= chip->dma1_shift; 852 if (snd_BUG_ON(pos + count > chip->dma1_size)) 853 return -EINVAL; 854 if (pos + count < chip->dma1_size) { 855 if (copy_to_user(dst, runtime->dma_area + pos + 1, count)) 856 return -EFAULT; 857 } else { 858 if (copy_to_user(dst, runtime->dma_area + pos + 1, count - 1)) 859 return -EFAULT; 860 if (put_user(runtime->dma_area[0], ((unsigned char __user *)dst) + count - 1)) 861 return -EFAULT; 862 } 863 return 0; 864 } 865 866 /* 867 * buffer management 868 */ 869 static int snd_es1938_pcm_hw_params(struct snd_pcm_substream *substream, 870 struct snd_pcm_hw_params *hw_params) 871 872 { 873 int err; 874 875 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 876 return err; 877 return 0; 878 } 879 880 static int snd_es1938_pcm_hw_free(struct snd_pcm_substream *substream) 881 { 882 return snd_pcm_lib_free_pages(substream); 883 } 884 885 /* ---------------------------------------------------------------------- 886 * Audio1 Capture (ADC) 887 * ----------------------------------------------------------------------*/ 888 static struct snd_pcm_hardware snd_es1938_capture = 889 { 890 .info = (SNDRV_PCM_INFO_INTERLEAVED | 891 SNDRV_PCM_INFO_BLOCK_TRANSFER), 892 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 893 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 894 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 895 .rate_min = 6000, 896 .rate_max = 48000, 897 .channels_min = 1, 898 .channels_max = 2, 899 .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */ 900 .period_bytes_min = 64, 901 .period_bytes_max = 0x8000, 902 .periods_min = 1, 903 .periods_max = 1024, 904 .fifo_size = 256, 905 }; 906 907 /* ----------------------------------------------------------------------- 908 * Audio2 Playback (DAC) 909 * -----------------------------------------------------------------------*/ 910 static struct snd_pcm_hardware snd_es1938_playback = 911 { 912 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 913 SNDRV_PCM_INFO_BLOCK_TRANSFER | 914 SNDRV_PCM_INFO_MMAP_VALID), 915 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 916 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 917 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 918 .rate_min = 6000, 919 .rate_max = 48000, 920 .channels_min = 1, 921 .channels_max = 2, 922 .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */ 923 .period_bytes_min = 64, 924 .period_bytes_max = 0x8000, 925 .periods_min = 1, 926 .periods_max = 1024, 927 .fifo_size = 256, 928 }; 929 930 static int snd_es1938_capture_open(struct snd_pcm_substream *substream) 931 { 932 struct es1938 *chip = snd_pcm_substream_chip(substream); 933 struct snd_pcm_runtime *runtime = substream->runtime; 934 935 if (chip->playback2_substream) 936 return -EAGAIN; 937 chip->capture_substream = substream; 938 runtime->hw = snd_es1938_capture; 939 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 940 &hw_constraints_clocks); 941 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00); 942 return 0; 943 } 944 945 static int snd_es1938_playback_open(struct snd_pcm_substream *substream) 946 { 947 struct es1938 *chip = snd_pcm_substream_chip(substream); 948 struct snd_pcm_runtime *runtime = substream->runtime; 949 950 switch (substream->number) { 951 case 0: 952 chip->playback1_substream = substream; 953 break; 954 case 1: 955 if (chip->capture_substream) 956 return -EAGAIN; 957 chip->playback2_substream = substream; 958 break; 959 default: 960 snd_BUG(); 961 return -EINVAL; 962 } 963 runtime->hw = snd_es1938_playback; 964 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 965 &hw_constraints_clocks); 966 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00); 967 return 0; 968 } 969 970 static int snd_es1938_capture_close(struct snd_pcm_substream *substream) 971 { 972 struct es1938 *chip = snd_pcm_substream_chip(substream); 973 974 chip->capture_substream = NULL; 975 return 0; 976 } 977 978 static int snd_es1938_playback_close(struct snd_pcm_substream *substream) 979 { 980 struct es1938 *chip = snd_pcm_substream_chip(substream); 981 982 switch (substream->number) { 983 case 0: 984 chip->playback1_substream = NULL; 985 break; 986 case 1: 987 chip->playback2_substream = NULL; 988 break; 989 default: 990 snd_BUG(); 991 return -EINVAL; 992 } 993 return 0; 994 } 995 996 static struct snd_pcm_ops snd_es1938_playback_ops = { 997 .open = snd_es1938_playback_open, 998 .close = snd_es1938_playback_close, 999 .ioctl = snd_pcm_lib_ioctl, 1000 .hw_params = snd_es1938_pcm_hw_params, 1001 .hw_free = snd_es1938_pcm_hw_free, 1002 .prepare = snd_es1938_playback_prepare, 1003 .trigger = snd_es1938_playback_trigger, 1004 .pointer = snd_es1938_playback_pointer, 1005 }; 1006 1007 static struct snd_pcm_ops snd_es1938_capture_ops = { 1008 .open = snd_es1938_capture_open, 1009 .close = snd_es1938_capture_close, 1010 .ioctl = snd_pcm_lib_ioctl, 1011 .hw_params = snd_es1938_pcm_hw_params, 1012 .hw_free = snd_es1938_pcm_hw_free, 1013 .prepare = snd_es1938_capture_prepare, 1014 .trigger = snd_es1938_capture_trigger, 1015 .pointer = snd_es1938_capture_pointer, 1016 .copy = snd_es1938_capture_copy, 1017 }; 1018 1019 static int snd_es1938_new_pcm(struct es1938 *chip, int device) 1020 { 1021 struct snd_pcm *pcm; 1022 int err; 1023 1024 if ((err = snd_pcm_new(chip->card, "es-1938-1946", device, 2, 1, &pcm)) < 0) 1025 return err; 1026 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1938_playback_ops); 1027 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1938_capture_ops); 1028 1029 pcm->private_data = chip; 1030 pcm->info_flags = 0; 1031 strcpy(pcm->name, "ESS Solo-1"); 1032 1033 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1034 snd_dma_pci_data(chip->pci), 64*1024, 64*1024); 1035 1036 chip->pcm = pcm; 1037 return 0; 1038 } 1039 1040 /* ------------------------------------------------------------------- 1041 * 1042 * *** Mixer part *** 1043 */ 1044 1045 static int snd_es1938_info_mux(struct snd_kcontrol *kcontrol, 1046 struct snd_ctl_elem_info *uinfo) 1047 { 1048 static char *texts[8] = { 1049 "Mic", "Mic Master", "CD", "AOUT", 1050 "Mic1", "Mix", "Line", "Master" 1051 }; 1052 1053 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1054 uinfo->count = 1; 1055 uinfo->value.enumerated.items = 8; 1056 if (uinfo->value.enumerated.item > 7) 1057 uinfo->value.enumerated.item = 7; 1058 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1059 return 0; 1060 } 1061 1062 static int snd_es1938_get_mux(struct snd_kcontrol *kcontrol, 1063 struct snd_ctl_elem_value *ucontrol) 1064 { 1065 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1066 ucontrol->value.enumerated.item[0] = snd_es1938_mixer_read(chip, 0x1c) & 0x07; 1067 return 0; 1068 } 1069 1070 static int snd_es1938_put_mux(struct snd_kcontrol *kcontrol, 1071 struct snd_ctl_elem_value *ucontrol) 1072 { 1073 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1074 unsigned char val = ucontrol->value.enumerated.item[0]; 1075 1076 if (val > 7) 1077 return -EINVAL; 1078 return snd_es1938_mixer_bits(chip, 0x1c, 0x07, val) != val; 1079 } 1080 1081 #define snd_es1938_info_spatializer_enable snd_ctl_boolean_mono_info 1082 1083 static int snd_es1938_get_spatializer_enable(struct snd_kcontrol *kcontrol, 1084 struct snd_ctl_elem_value *ucontrol) 1085 { 1086 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1087 unsigned char val = snd_es1938_mixer_read(chip, 0x50); 1088 ucontrol->value.integer.value[0] = !!(val & 8); 1089 return 0; 1090 } 1091 1092 static int snd_es1938_put_spatializer_enable(struct snd_kcontrol *kcontrol, 1093 struct snd_ctl_elem_value *ucontrol) 1094 { 1095 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1096 unsigned char oval, nval; 1097 int change; 1098 nval = ucontrol->value.integer.value[0] ? 0x0c : 0x04; 1099 oval = snd_es1938_mixer_read(chip, 0x50) & 0x0c; 1100 change = nval != oval; 1101 if (change) { 1102 snd_es1938_mixer_write(chip, 0x50, nval & ~0x04); 1103 snd_es1938_mixer_write(chip, 0x50, nval); 1104 } 1105 return change; 1106 } 1107 1108 static int snd_es1938_info_hw_volume(struct snd_kcontrol *kcontrol, 1109 struct snd_ctl_elem_info *uinfo) 1110 { 1111 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1112 uinfo->count = 2; 1113 uinfo->value.integer.min = 0; 1114 uinfo->value.integer.max = 63; 1115 return 0; 1116 } 1117 1118 static int snd_es1938_get_hw_volume(struct snd_kcontrol *kcontrol, 1119 struct snd_ctl_elem_value *ucontrol) 1120 { 1121 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1122 ucontrol->value.integer.value[0] = snd_es1938_mixer_read(chip, 0x61) & 0x3f; 1123 ucontrol->value.integer.value[1] = snd_es1938_mixer_read(chip, 0x63) & 0x3f; 1124 return 0; 1125 } 1126 1127 #define snd_es1938_info_hw_switch snd_ctl_boolean_stereo_info 1128 1129 static int snd_es1938_get_hw_switch(struct snd_kcontrol *kcontrol, 1130 struct snd_ctl_elem_value *ucontrol) 1131 { 1132 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1133 ucontrol->value.integer.value[0] = !(snd_es1938_mixer_read(chip, 0x61) & 0x40); 1134 ucontrol->value.integer.value[1] = !(snd_es1938_mixer_read(chip, 0x63) & 0x40); 1135 return 0; 1136 } 1137 1138 static void snd_es1938_hwv_free(struct snd_kcontrol *kcontrol) 1139 { 1140 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1141 chip->master_volume = NULL; 1142 chip->master_switch = NULL; 1143 chip->hw_volume = NULL; 1144 chip->hw_switch = NULL; 1145 } 1146 1147 static int snd_es1938_reg_bits(struct es1938 *chip, unsigned char reg, 1148 unsigned char mask, unsigned char val) 1149 { 1150 if (reg < 0xa0) 1151 return snd_es1938_mixer_bits(chip, reg, mask, val); 1152 else 1153 return snd_es1938_bits(chip, reg, mask, val); 1154 } 1155 1156 static int snd_es1938_reg_read(struct es1938 *chip, unsigned char reg) 1157 { 1158 if (reg < 0xa0) 1159 return snd_es1938_mixer_read(chip, reg); 1160 else 1161 return snd_es1938_read(chip, reg); 1162 } 1163 1164 #define ES1938_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ 1165 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 1166 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\ 1167 .name = xname, .index = xindex, \ 1168 .info = snd_es1938_info_single, \ 1169 .get = snd_es1938_get_single, .put = snd_es1938_put_single, \ 1170 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ 1171 .tlv = { .p = xtlv } } 1172 #define ES1938_SINGLE(xname, xindex, reg, shift, mask, invert) \ 1173 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 1174 .info = snd_es1938_info_single, \ 1175 .get = snd_es1938_get_single, .put = snd_es1938_put_single, \ 1176 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 1177 1178 static int snd_es1938_info_single(struct snd_kcontrol *kcontrol, 1179 struct snd_ctl_elem_info *uinfo) 1180 { 1181 int mask = (kcontrol->private_value >> 16) & 0xff; 1182 1183 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 1184 uinfo->count = 1; 1185 uinfo->value.integer.min = 0; 1186 uinfo->value.integer.max = mask; 1187 return 0; 1188 } 1189 1190 static int snd_es1938_get_single(struct snd_kcontrol *kcontrol, 1191 struct snd_ctl_elem_value *ucontrol) 1192 { 1193 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1194 int reg = kcontrol->private_value & 0xff; 1195 int shift = (kcontrol->private_value >> 8) & 0xff; 1196 int mask = (kcontrol->private_value >> 16) & 0xff; 1197 int invert = (kcontrol->private_value >> 24) & 0xff; 1198 int val; 1199 1200 val = snd_es1938_reg_read(chip, reg); 1201 ucontrol->value.integer.value[0] = (val >> shift) & mask; 1202 if (invert) 1203 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 1204 return 0; 1205 } 1206 1207 static int snd_es1938_put_single(struct snd_kcontrol *kcontrol, 1208 struct snd_ctl_elem_value *ucontrol) 1209 { 1210 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1211 int reg = kcontrol->private_value & 0xff; 1212 int shift = (kcontrol->private_value >> 8) & 0xff; 1213 int mask = (kcontrol->private_value >> 16) & 0xff; 1214 int invert = (kcontrol->private_value >> 24) & 0xff; 1215 unsigned char val; 1216 1217 val = (ucontrol->value.integer.value[0] & mask); 1218 if (invert) 1219 val = mask - val; 1220 mask <<= shift; 1221 val <<= shift; 1222 return snd_es1938_reg_bits(chip, reg, mask, val) != val; 1223 } 1224 1225 #define ES1938_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ 1226 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 1227 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\ 1228 .name = xname, .index = xindex, \ 1229 .info = snd_es1938_info_double, \ 1230 .get = snd_es1938_get_double, .put = snd_es1938_put_double, \ 1231 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22), \ 1232 .tlv = { .p = xtlv } } 1233 #define ES1938_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 1234 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 1235 .info = snd_es1938_info_double, \ 1236 .get = snd_es1938_get_double, .put = snd_es1938_put_double, \ 1237 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 1238 1239 static int snd_es1938_info_double(struct snd_kcontrol *kcontrol, 1240 struct snd_ctl_elem_info *uinfo) 1241 { 1242 int mask = (kcontrol->private_value >> 24) & 0xff; 1243 1244 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 1245 uinfo->count = 2; 1246 uinfo->value.integer.min = 0; 1247 uinfo->value.integer.max = mask; 1248 return 0; 1249 } 1250 1251 static int snd_es1938_get_double(struct snd_kcontrol *kcontrol, 1252 struct snd_ctl_elem_value *ucontrol) 1253 { 1254 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1255 int left_reg = kcontrol->private_value & 0xff; 1256 int right_reg = (kcontrol->private_value >> 8) & 0xff; 1257 int shift_left = (kcontrol->private_value >> 16) & 0x07; 1258 int shift_right = (kcontrol->private_value >> 19) & 0x07; 1259 int mask = (kcontrol->private_value >> 24) & 0xff; 1260 int invert = (kcontrol->private_value >> 22) & 1; 1261 unsigned char left, right; 1262 1263 left = snd_es1938_reg_read(chip, left_reg); 1264 if (left_reg != right_reg) 1265 right = snd_es1938_reg_read(chip, right_reg); 1266 else 1267 right = left; 1268 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 1269 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 1270 if (invert) { 1271 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 1272 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 1273 } 1274 return 0; 1275 } 1276 1277 static int snd_es1938_put_double(struct snd_kcontrol *kcontrol, 1278 struct snd_ctl_elem_value *ucontrol) 1279 { 1280 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1281 int left_reg = kcontrol->private_value & 0xff; 1282 int right_reg = (kcontrol->private_value >> 8) & 0xff; 1283 int shift_left = (kcontrol->private_value >> 16) & 0x07; 1284 int shift_right = (kcontrol->private_value >> 19) & 0x07; 1285 int mask = (kcontrol->private_value >> 24) & 0xff; 1286 int invert = (kcontrol->private_value >> 22) & 1; 1287 int change; 1288 unsigned char val1, val2, mask1, mask2; 1289 1290 val1 = ucontrol->value.integer.value[0] & mask; 1291 val2 = ucontrol->value.integer.value[1] & mask; 1292 if (invert) { 1293 val1 = mask - val1; 1294 val2 = mask - val2; 1295 } 1296 val1 <<= shift_left; 1297 val2 <<= shift_right; 1298 mask1 = mask << shift_left; 1299 mask2 = mask << shift_right; 1300 if (left_reg != right_reg) { 1301 change = 0; 1302 if (snd_es1938_reg_bits(chip, left_reg, mask1, val1) != val1) 1303 change = 1; 1304 if (snd_es1938_reg_bits(chip, right_reg, mask2, val2) != val2) 1305 change = 1; 1306 } else { 1307 change = (snd_es1938_reg_bits(chip, left_reg, mask1 | mask2, 1308 val1 | val2) != (val1 | val2)); 1309 } 1310 return change; 1311 } 1312 1313 static const DECLARE_TLV_DB_RANGE(db_scale_master, 1314 0, 54, TLV_DB_SCALE_ITEM(-3600, 50, 1), 1315 54, 63, TLV_DB_SCALE_ITEM(-900, 100, 0), 1316 ); 1317 1318 static const DECLARE_TLV_DB_RANGE(db_scale_audio1, 1319 0, 8, TLV_DB_SCALE_ITEM(-3300, 300, 1), 1320 8, 15, TLV_DB_SCALE_ITEM(-900, 150, 0), 1321 ); 1322 1323 static const DECLARE_TLV_DB_RANGE(db_scale_audio2, 1324 0, 8, TLV_DB_SCALE_ITEM(-3450, 300, 1), 1325 8, 15, TLV_DB_SCALE_ITEM(-1050, 150, 0), 1326 ); 1327 1328 static const DECLARE_TLV_DB_RANGE(db_scale_mic, 1329 0, 8, TLV_DB_SCALE_ITEM(-2400, 300, 1), 1330 8, 15, TLV_DB_SCALE_ITEM(0, 150, 0), 1331 ); 1332 1333 static const DECLARE_TLV_DB_RANGE(db_scale_line, 1334 0, 8, TLV_DB_SCALE_ITEM(-3150, 300, 1), 1335 8, 15, TLV_DB_SCALE_ITEM(-750, 150, 0), 1336 ); 1337 1338 static const DECLARE_TLV_DB_SCALE(db_scale_capture, 0, 150, 0); 1339 1340 static struct snd_kcontrol_new snd_es1938_controls[] = { 1341 ES1938_DOUBLE_TLV("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0, 1342 db_scale_master), 1343 ES1938_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1), 1344 { 1345 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1346 .name = "Hardware Master Playback Volume", 1347 .access = SNDRV_CTL_ELEM_ACCESS_READ, 1348 .info = snd_es1938_info_hw_volume, 1349 .get = snd_es1938_get_hw_volume, 1350 }, 1351 { 1352 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1353 .access = (SNDRV_CTL_ELEM_ACCESS_READ | 1354 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1355 .name = "Hardware Master Playback Switch", 1356 .info = snd_es1938_info_hw_switch, 1357 .get = snd_es1938_get_hw_switch, 1358 .tlv = { .p = db_scale_master }, 1359 }, 1360 ES1938_SINGLE("Hardware Volume Split", 0, 0x64, 7, 1, 0), 1361 ES1938_DOUBLE_TLV("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0, 1362 db_scale_line), 1363 ES1938_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0), 1364 ES1938_DOUBLE_TLV("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0, 1365 db_scale_mic), 1366 ES1938_DOUBLE_TLV("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0, 1367 db_scale_line), 1368 ES1938_DOUBLE_TLV("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0, 1369 db_scale_mic), 1370 ES1938_DOUBLE_TLV("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0, 1371 db_scale_line), 1372 ES1938_DOUBLE_TLV("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0, 1373 db_scale_capture), 1374 ES1938_SINGLE("Beep Volume", 0, 0x3c, 0, 7, 0), 1375 ES1938_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0), 1376 ES1938_SINGLE("Capture Switch", 0, 0x1c, 4, 1, 1), 1377 { 1378 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1379 .name = "Capture Source", 1380 .info = snd_es1938_info_mux, 1381 .get = snd_es1938_get_mux, 1382 .put = snd_es1938_put_mux, 1383 }, 1384 ES1938_DOUBLE_TLV("Mono Input Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0, 1385 db_scale_line), 1386 ES1938_DOUBLE_TLV("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0, 1387 db_scale_audio2), 1388 ES1938_DOUBLE_TLV("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0, 1389 db_scale_mic), 1390 ES1938_DOUBLE_TLV("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0, 1391 db_scale_line), 1392 ES1938_DOUBLE_TLV("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0, 1393 db_scale_mic), 1394 ES1938_DOUBLE_TLV("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0, 1395 db_scale_line), 1396 ES1938_DOUBLE_TLV("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0, 1397 db_scale_line), 1398 ES1938_DOUBLE_TLV("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0, 1399 db_scale_line), 1400 ES1938_DOUBLE_TLV("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0, 1401 db_scale_audio2), 1402 ES1938_DOUBLE_TLV("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0, 1403 db_scale_audio1), 1404 ES1938_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0), 1405 { 1406 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1407 .name = "3D Control - Switch", 1408 .info = snd_es1938_info_spatializer_enable, 1409 .get = snd_es1938_get_spatializer_enable, 1410 .put = snd_es1938_put_spatializer_enable, 1411 }, 1412 ES1938_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0) 1413 }; 1414 1415 1416 /* ---------------------------------------------------------------------------- */ 1417 /* ---------------------------------------------------------------------------- */ 1418 1419 /* 1420 * initialize the chip - used by resume callback, too 1421 */ 1422 static void snd_es1938_chip_init(struct es1938 *chip) 1423 { 1424 /* reset chip */ 1425 snd_es1938_reset(chip); 1426 1427 /* configure native mode */ 1428 1429 /* enable bus master */ 1430 pci_set_master(chip->pci); 1431 1432 /* disable legacy audio */ 1433 pci_write_config_word(chip->pci, SL_PCI_LEGACYCONTROL, 0x805f); 1434 1435 /* set DDMA base */ 1436 pci_write_config_word(chip->pci, SL_PCI_DDMACONTROL, chip->ddma_port | 1); 1437 1438 /* set DMA/IRQ policy */ 1439 pci_write_config_dword(chip->pci, SL_PCI_CONFIG, 0); 1440 1441 /* enable Audio 1, Audio 2, MPU401 IRQ and HW volume IRQ*/ 1442 outb(0xf0, SLIO_REG(chip, IRQCONTROL)); 1443 1444 /* reset DMA */ 1445 outb(0, SLDM_REG(chip, DMACLEAR)); 1446 } 1447 1448 #ifdef CONFIG_PM_SLEEP 1449 /* 1450 * PM support 1451 */ 1452 1453 static unsigned char saved_regs[SAVED_REG_SIZE+1] = { 1454 0x14, 0x1a, 0x1c, 0x3a, 0x3c, 0x3e, 0x36, 0x38, 1455 0x50, 0x52, 0x60, 0x61, 0x62, 0x63, 0x64, 0x68, 1456 0x69, 0x6a, 0x6b, 0x6d, 0x6e, 0x6f, 0x7c, 0x7d, 1457 0xa8, 0xb4, 1458 }; 1459 1460 1461 static int es1938_suspend(struct device *dev) 1462 { 1463 struct pci_dev *pci = to_pci_dev(dev); 1464 struct snd_card *card = dev_get_drvdata(dev); 1465 struct es1938 *chip = card->private_data; 1466 unsigned char *s, *d; 1467 1468 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1469 snd_pcm_suspend_all(chip->pcm); 1470 1471 /* save mixer-related registers */ 1472 for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) 1473 *d = snd_es1938_reg_read(chip, *s); 1474 1475 outb(0x00, SLIO_REG(chip, IRQCONTROL)); /* disable irqs */ 1476 if (chip->irq >= 0) { 1477 free_irq(chip->irq, chip); 1478 chip->irq = -1; 1479 } 1480 pci_disable_device(pci); 1481 pci_save_state(pci); 1482 pci_set_power_state(pci, PCI_D3hot); 1483 return 0; 1484 } 1485 1486 static int es1938_resume(struct device *dev) 1487 { 1488 struct pci_dev *pci = to_pci_dev(dev); 1489 struct snd_card *card = dev_get_drvdata(dev); 1490 struct es1938 *chip = card->private_data; 1491 unsigned char *s, *d; 1492 1493 pci_set_power_state(pci, PCI_D0); 1494 pci_restore_state(pci); 1495 if (pci_enable_device(pci) < 0) { 1496 dev_err(dev, "pci_enable_device failed, disabling device\n"); 1497 snd_card_disconnect(card); 1498 return -EIO; 1499 } 1500 1501 if (request_irq(pci->irq, snd_es1938_interrupt, 1502 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1503 dev_err(dev, "unable to grab IRQ %d, disabling device\n", 1504 pci->irq); 1505 snd_card_disconnect(card); 1506 return -EIO; 1507 } 1508 chip->irq = pci->irq; 1509 snd_es1938_chip_init(chip); 1510 1511 /* restore mixer-related registers */ 1512 for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) { 1513 if (*s < 0xa0) 1514 snd_es1938_mixer_write(chip, *s, *d); 1515 else 1516 snd_es1938_write(chip, *s, *d); 1517 } 1518 1519 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1520 return 0; 1521 } 1522 1523 static SIMPLE_DEV_PM_OPS(es1938_pm, es1938_suspend, es1938_resume); 1524 #define ES1938_PM_OPS &es1938_pm 1525 #else 1526 #define ES1938_PM_OPS NULL 1527 #endif /* CONFIG_PM_SLEEP */ 1528 1529 #ifdef SUPPORT_JOYSTICK 1530 static int snd_es1938_create_gameport(struct es1938 *chip) 1531 { 1532 struct gameport *gp; 1533 1534 chip->gameport = gp = gameport_allocate_port(); 1535 if (!gp) { 1536 dev_err(chip->card->dev, 1537 "cannot allocate memory for gameport\n"); 1538 return -ENOMEM; 1539 } 1540 1541 gameport_set_name(gp, "ES1938"); 1542 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1543 gameport_set_dev_parent(gp, &chip->pci->dev); 1544 gp->io = chip->game_port; 1545 1546 gameport_register_port(gp); 1547 1548 return 0; 1549 } 1550 1551 static void snd_es1938_free_gameport(struct es1938 *chip) 1552 { 1553 if (chip->gameport) { 1554 gameport_unregister_port(chip->gameport); 1555 chip->gameport = NULL; 1556 } 1557 } 1558 #else 1559 static inline int snd_es1938_create_gameport(struct es1938 *chip) { return -ENOSYS; } 1560 static inline void snd_es1938_free_gameport(struct es1938 *chip) { } 1561 #endif /* SUPPORT_JOYSTICK */ 1562 1563 static int snd_es1938_free(struct es1938 *chip) 1564 { 1565 /* disable irqs */ 1566 outb(0x00, SLIO_REG(chip, IRQCONTROL)); 1567 if (chip->rmidi) 1568 snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0); 1569 1570 snd_es1938_free_gameport(chip); 1571 1572 if (chip->irq >= 0) 1573 free_irq(chip->irq, chip); 1574 pci_release_regions(chip->pci); 1575 pci_disable_device(chip->pci); 1576 kfree(chip); 1577 return 0; 1578 } 1579 1580 static int snd_es1938_dev_free(struct snd_device *device) 1581 { 1582 struct es1938 *chip = device->device_data; 1583 return snd_es1938_free(chip); 1584 } 1585 1586 static int snd_es1938_create(struct snd_card *card, 1587 struct pci_dev *pci, 1588 struct es1938 **rchip) 1589 { 1590 struct es1938 *chip; 1591 int err; 1592 static struct snd_device_ops ops = { 1593 .dev_free = snd_es1938_dev_free, 1594 }; 1595 1596 *rchip = NULL; 1597 1598 /* enable PCI device */ 1599 if ((err = pci_enable_device(pci)) < 0) 1600 return err; 1601 /* check, if we can restrict PCI DMA transfers to 24 bits */ 1602 if (pci_set_dma_mask(pci, DMA_BIT_MASK(24)) < 0 || 1603 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(24)) < 0) { 1604 dev_err(card->dev, 1605 "architecture does not support 24bit PCI busmaster DMA\n"); 1606 pci_disable_device(pci); 1607 return -ENXIO; 1608 } 1609 1610 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1611 if (chip == NULL) { 1612 pci_disable_device(pci); 1613 return -ENOMEM; 1614 } 1615 spin_lock_init(&chip->reg_lock); 1616 spin_lock_init(&chip->mixer_lock); 1617 chip->card = card; 1618 chip->pci = pci; 1619 chip->irq = -1; 1620 if ((err = pci_request_regions(pci, "ESS Solo-1")) < 0) { 1621 kfree(chip); 1622 pci_disable_device(pci); 1623 return err; 1624 } 1625 chip->io_port = pci_resource_start(pci, 0); 1626 chip->sb_port = pci_resource_start(pci, 1); 1627 chip->vc_port = pci_resource_start(pci, 2); 1628 chip->mpu_port = pci_resource_start(pci, 3); 1629 chip->game_port = pci_resource_start(pci, 4); 1630 if (request_irq(pci->irq, snd_es1938_interrupt, IRQF_SHARED, 1631 KBUILD_MODNAME, chip)) { 1632 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1633 snd_es1938_free(chip); 1634 return -EBUSY; 1635 } 1636 chip->irq = pci->irq; 1637 dev_dbg(card->dev, 1638 "create: io: 0x%lx, sb: 0x%lx, vc: 0x%lx, mpu: 0x%lx, game: 0x%lx\n", 1639 chip->io_port, chip->sb_port, chip->vc_port, chip->mpu_port, chip->game_port); 1640 1641 chip->ddma_port = chip->vc_port + 0x00; /* fix from Thomas Sailer */ 1642 1643 snd_es1938_chip_init(chip); 1644 1645 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1646 snd_es1938_free(chip); 1647 return err; 1648 } 1649 1650 *rchip = chip; 1651 return 0; 1652 } 1653 1654 /* -------------------------------------------------------------------- 1655 * Interrupt handler 1656 * -------------------------------------------------------------------- */ 1657 static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id) 1658 { 1659 struct es1938 *chip = dev_id; 1660 unsigned char status, audiostatus; 1661 int handled = 0; 1662 1663 status = inb(SLIO_REG(chip, IRQCONTROL)); 1664 #if 0 1665 dev_dbg(chip->card->dev, 1666 "Es1938debug - interrupt status: =0x%x\n", status); 1667 #endif 1668 1669 /* AUDIO 1 */ 1670 if (status & 0x10) { 1671 #if 0 1672 dev_dbg(chip->card->dev, 1673 "Es1938debug - AUDIO channel 1 interrupt\n"); 1674 dev_dbg(chip->card->dev, 1675 "Es1938debug - AUDIO channel 1 DMAC DMA count: %u\n", 1676 inw(SLDM_REG(chip, DMACOUNT))); 1677 dev_dbg(chip->card->dev, 1678 "Es1938debug - AUDIO channel 1 DMAC DMA base: %u\n", 1679 inl(SLDM_REG(chip, DMAADDR))); 1680 dev_dbg(chip->card->dev, 1681 "Es1938debug - AUDIO channel 1 DMAC DMA status: 0x%x\n", 1682 inl(SLDM_REG(chip, DMASTATUS))); 1683 #endif 1684 /* clear irq */ 1685 handled = 1; 1686 audiostatus = inb(SLSB_REG(chip, STATUS)); 1687 if (chip->active & ADC1) 1688 snd_pcm_period_elapsed(chip->capture_substream); 1689 else if (chip->active & DAC1) 1690 snd_pcm_period_elapsed(chip->playback2_substream); 1691 } 1692 1693 /* AUDIO 2 */ 1694 if (status & 0x20) { 1695 #if 0 1696 dev_dbg(chip->card->dev, 1697 "Es1938debug - AUDIO channel 2 interrupt\n"); 1698 dev_dbg(chip->card->dev, 1699 "Es1938debug - AUDIO channel 2 DMAC DMA count: %u\n", 1700 inw(SLIO_REG(chip, AUDIO2DMACOUNT))); 1701 dev_dbg(chip->card->dev, 1702 "Es1938debug - AUDIO channel 2 DMAC DMA base: %u\n", 1703 inl(SLIO_REG(chip, AUDIO2DMAADDR))); 1704 1705 #endif 1706 /* clear irq */ 1707 handled = 1; 1708 snd_es1938_mixer_bits(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x80, 0); 1709 if (chip->active & DAC2) 1710 snd_pcm_period_elapsed(chip->playback1_substream); 1711 } 1712 1713 /* Hardware volume */ 1714 if (status & 0x40) { 1715 int split = snd_es1938_mixer_read(chip, 0x64) & 0x80; 1716 handled = 1; 1717 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_switch->id); 1718 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_volume->id); 1719 if (!split) { 1720 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1721 &chip->master_switch->id); 1722 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1723 &chip->master_volume->id); 1724 } 1725 /* ack interrupt */ 1726 snd_es1938_mixer_write(chip, 0x66, 0x00); 1727 } 1728 1729 /* MPU401 */ 1730 if (status & 0x80) { 1731 // the following line is evil! It switches off MIDI interrupt handling after the first interrupt received. 1732 // replacing the last 0 by 0x40 works for ESS-Solo1, but just doing nothing works as well! 1733 // andreas@flying-snail.de 1734 // snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0); /* ack? */ 1735 if (chip->rmidi) { 1736 handled = 1; 1737 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 1738 } 1739 } 1740 return IRQ_RETVAL(handled); 1741 } 1742 1743 #define ES1938_DMA_SIZE 64 1744 1745 static int snd_es1938_mixer(struct es1938 *chip) 1746 { 1747 struct snd_card *card; 1748 unsigned int idx; 1749 int err; 1750 1751 card = chip->card; 1752 1753 strcpy(card->mixername, "ESS Solo-1"); 1754 1755 for (idx = 0; idx < ARRAY_SIZE(snd_es1938_controls); idx++) { 1756 struct snd_kcontrol *kctl; 1757 kctl = snd_ctl_new1(&snd_es1938_controls[idx], chip); 1758 switch (idx) { 1759 case 0: 1760 chip->master_volume = kctl; 1761 kctl->private_free = snd_es1938_hwv_free; 1762 break; 1763 case 1: 1764 chip->master_switch = kctl; 1765 kctl->private_free = snd_es1938_hwv_free; 1766 break; 1767 case 2: 1768 chip->hw_volume = kctl; 1769 kctl->private_free = snd_es1938_hwv_free; 1770 break; 1771 case 3: 1772 chip->hw_switch = kctl; 1773 kctl->private_free = snd_es1938_hwv_free; 1774 break; 1775 } 1776 if ((err = snd_ctl_add(card, kctl)) < 0) 1777 return err; 1778 } 1779 return 0; 1780 } 1781 1782 1783 static int snd_es1938_probe(struct pci_dev *pci, 1784 const struct pci_device_id *pci_id) 1785 { 1786 static int dev; 1787 struct snd_card *card; 1788 struct es1938 *chip; 1789 struct snd_opl3 *opl3; 1790 int idx, err; 1791 1792 if (dev >= SNDRV_CARDS) 1793 return -ENODEV; 1794 if (!enable[dev]) { 1795 dev++; 1796 return -ENOENT; 1797 } 1798 1799 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1800 0, &card); 1801 if (err < 0) 1802 return err; 1803 for (idx = 0; idx < 5; idx++) { 1804 if (pci_resource_start(pci, idx) == 0 || 1805 !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) { 1806 snd_card_free(card); 1807 return -ENODEV; 1808 } 1809 } 1810 if ((err = snd_es1938_create(card, pci, &chip)) < 0) { 1811 snd_card_free(card); 1812 return err; 1813 } 1814 card->private_data = chip; 1815 1816 strcpy(card->driver, "ES1938"); 1817 strcpy(card->shortname, "ESS ES1938 (Solo-1)"); 1818 sprintf(card->longname, "%s rev %i, irq %i", 1819 card->shortname, 1820 chip->revision, 1821 chip->irq); 1822 1823 if ((err = snd_es1938_new_pcm(chip, 0)) < 0) { 1824 snd_card_free(card); 1825 return err; 1826 } 1827 if ((err = snd_es1938_mixer(chip)) < 0) { 1828 snd_card_free(card); 1829 return err; 1830 } 1831 if (snd_opl3_create(card, 1832 SLSB_REG(chip, FMLOWADDR), 1833 SLSB_REG(chip, FMHIGHADDR), 1834 OPL3_HW_OPL3, 1, &opl3) < 0) { 1835 dev_err(card->dev, "OPL3 not detected at 0x%lx\n", 1836 SLSB_REG(chip, FMLOWADDR)); 1837 } else { 1838 if ((err = snd_opl3_timer_new(opl3, 0, 1)) < 0) { 1839 snd_card_free(card); 1840 return err; 1841 } 1842 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 1843 snd_card_free(card); 1844 return err; 1845 } 1846 } 1847 if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, 1848 chip->mpu_port, 1849 MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK, 1850 -1, &chip->rmidi) < 0) { 1851 dev_err(card->dev, "unable to initialize MPU-401\n"); 1852 } else { 1853 // this line is vital for MIDI interrupt handling on ess-solo1 1854 // andreas@flying-snail.de 1855 snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0x40); 1856 } 1857 1858 snd_es1938_create_gameport(chip); 1859 1860 if ((err = snd_card_register(card)) < 0) { 1861 snd_card_free(card); 1862 return err; 1863 } 1864 1865 pci_set_drvdata(pci, card); 1866 dev++; 1867 return 0; 1868 } 1869 1870 static void snd_es1938_remove(struct pci_dev *pci) 1871 { 1872 snd_card_free(pci_get_drvdata(pci)); 1873 } 1874 1875 static struct pci_driver es1938_driver = { 1876 .name = KBUILD_MODNAME, 1877 .id_table = snd_es1938_ids, 1878 .probe = snd_es1938_probe, 1879 .remove = snd_es1938_remove, 1880 .driver = { 1881 .pm = ES1938_PM_OPS, 1882 }, 1883 }; 1884 1885 module_pci_driver(es1938_driver); 1886