1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for ESS Solo-1 (ES1938, ES1946, ES1969) soundcard 4 * Copyright (c) by Jaromir Koutek <miri@punknet.cz>, 5 * Jaroslav Kysela <perex@perex.cz>, 6 * Thomas Sailer <sailer@ife.ee.ethz.ch>, 7 * Abramo Bagnara <abramo@alsa-project.org>, 8 * Markus Gruber <gruber@eikon.tum.de> 9 * 10 * Rewritten from sonicvibes.c source. 11 * 12 * TODO: 13 * Rewrite better spinlocks 14 */ 15 16 /* 17 NOTES: 18 - Capture data is written unaligned starting from dma_base + 1 so I need to 19 disable mmap and to add a copy callback. 20 - After several cycle of the following: 21 while : ; do arecord -d1 -f cd -t raw | aplay -f cd ; done 22 a "playback write error (DMA or IRQ trouble?)" may happen. 23 This is due to playback interrupts not generated. 24 I suspect a timing issue. 25 - Sometimes the interrupt handler is invoked wrongly during playback. 26 This generates some harmless "Unexpected hw_pointer: wrong interrupt 27 acknowledge". 28 I've seen that using small period sizes. 29 Reproducible with: 30 mpg123 test.mp3 & 31 hdparm -t -T /dev/hda 32 */ 33 34 35 #include <linux/init.h> 36 #include <linux/interrupt.h> 37 #include <linux/pci.h> 38 #include <linux/slab.h> 39 #include <linux/gameport.h> 40 #include <linux/module.h> 41 #include <linux/delay.h> 42 #include <linux/dma-mapping.h> 43 #include <linux/io.h> 44 #include <sound/core.h> 45 #include <sound/control.h> 46 #include <sound/pcm.h> 47 #include <sound/opl3.h> 48 #include <sound/mpu401.h> 49 #include <sound/initval.h> 50 #include <sound/tlv.h> 51 52 MODULE_AUTHOR("Jaromir Koutek <miri@punknet.cz>"); 53 MODULE_DESCRIPTION("ESS Solo-1"); 54 MODULE_LICENSE("GPL"); 55 56 #if IS_REACHABLE(CONFIG_GAMEPORT) 57 #define SUPPORT_JOYSTICK 1 58 #endif 59 60 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 61 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 62 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 63 64 module_param_array(index, int, NULL, 0444); 65 MODULE_PARM_DESC(index, "Index value for ESS Solo-1 soundcard."); 66 module_param_array(id, charp, NULL, 0444); 67 MODULE_PARM_DESC(id, "ID string for ESS Solo-1 soundcard."); 68 module_param_array(enable, bool, NULL, 0444); 69 MODULE_PARM_DESC(enable, "Enable ESS Solo-1 soundcard."); 70 71 #define SLIO_REG(chip, x) ((chip)->io_port + ESSIO_REG_##x) 72 73 #define SLDM_REG(chip, x) ((chip)->ddma_port + ESSDM_REG_##x) 74 75 #define SLSB_REG(chip, x) ((chip)->sb_port + ESSSB_REG_##x) 76 77 #define SL_PCI_LEGACYCONTROL 0x40 78 #define SL_PCI_CONFIG 0x50 79 #define SL_PCI_DDMACONTROL 0x60 80 81 #define ESSIO_REG_AUDIO2DMAADDR 0 82 #define ESSIO_REG_AUDIO2DMACOUNT 4 83 #define ESSIO_REG_AUDIO2MODE 6 84 #define ESSIO_REG_IRQCONTROL 7 85 86 #define ESSDM_REG_DMAADDR 0x00 87 #define ESSDM_REG_DMACOUNT 0x04 88 #define ESSDM_REG_DMACOMMAND 0x08 89 #define ESSDM_REG_DMASTATUS 0x08 90 #define ESSDM_REG_DMAMODE 0x0b 91 #define ESSDM_REG_DMACLEAR 0x0d 92 #define ESSDM_REG_DMAMASK 0x0f 93 94 #define ESSSB_REG_FMLOWADDR 0x00 95 #define ESSSB_REG_FMHIGHADDR 0x02 96 #define ESSSB_REG_MIXERADDR 0x04 97 #define ESSSB_REG_MIXERDATA 0x05 98 99 #define ESSSB_IREG_AUDIO1 0x14 100 #define ESSSB_IREG_MICMIX 0x1a 101 #define ESSSB_IREG_RECSRC 0x1c 102 #define ESSSB_IREG_MASTER 0x32 103 #define ESSSB_IREG_FM 0x36 104 #define ESSSB_IREG_AUXACD 0x38 105 #define ESSSB_IREG_AUXB 0x3a 106 #define ESSSB_IREG_PCSPEAKER 0x3c 107 #define ESSSB_IREG_LINE 0x3e 108 #define ESSSB_IREG_SPATCONTROL 0x50 109 #define ESSSB_IREG_SPATLEVEL 0x52 110 #define ESSSB_IREG_MASTER_LEFT 0x60 111 #define ESSSB_IREG_MASTER_RIGHT 0x62 112 #define ESSSB_IREG_MPU401CONTROL 0x64 113 #define ESSSB_IREG_MICMIXRECORD 0x68 114 #define ESSSB_IREG_AUDIO2RECORD 0x69 115 #define ESSSB_IREG_AUXACDRECORD 0x6a 116 #define ESSSB_IREG_FMRECORD 0x6b 117 #define ESSSB_IREG_AUXBRECORD 0x6c 118 #define ESSSB_IREG_MONO 0x6d 119 #define ESSSB_IREG_LINERECORD 0x6e 120 #define ESSSB_IREG_MONORECORD 0x6f 121 #define ESSSB_IREG_AUDIO2SAMPLE 0x70 122 #define ESSSB_IREG_AUDIO2MODE 0x71 123 #define ESSSB_IREG_AUDIO2FILTER 0x72 124 #define ESSSB_IREG_AUDIO2TCOUNTL 0x74 125 #define ESSSB_IREG_AUDIO2TCOUNTH 0x76 126 #define ESSSB_IREG_AUDIO2CONTROL1 0x78 127 #define ESSSB_IREG_AUDIO2CONTROL2 0x7a 128 #define ESSSB_IREG_AUDIO2 0x7c 129 130 #define ESSSB_REG_RESET 0x06 131 132 #define ESSSB_REG_READDATA 0x0a 133 #define ESSSB_REG_WRITEDATA 0x0c 134 #define ESSSB_REG_READSTATUS 0x0c 135 136 #define ESSSB_REG_STATUS 0x0e 137 138 #define ESS_CMD_EXTSAMPLERATE 0xa1 139 #define ESS_CMD_FILTERDIV 0xa2 140 #define ESS_CMD_DMACNTRELOADL 0xa4 141 #define ESS_CMD_DMACNTRELOADH 0xa5 142 #define ESS_CMD_ANALOGCONTROL 0xa8 143 #define ESS_CMD_IRQCONTROL 0xb1 144 #define ESS_CMD_DRQCONTROL 0xb2 145 #define ESS_CMD_RECLEVEL 0xb4 146 #define ESS_CMD_SETFORMAT 0xb6 147 #define ESS_CMD_SETFORMAT2 0xb7 148 #define ESS_CMD_DMACONTROL 0xb8 149 #define ESS_CMD_DMATYPE 0xb9 150 #define ESS_CMD_OFFSETLEFT 0xba 151 #define ESS_CMD_OFFSETRIGHT 0xbb 152 #define ESS_CMD_READREG 0xc0 153 #define ESS_CMD_ENABLEEXT 0xc6 154 #define ESS_CMD_PAUSEDMA 0xd0 155 #define ESS_CMD_ENABLEAUDIO1 0xd1 156 #define ESS_CMD_STOPAUDIO1 0xd3 157 #define ESS_CMD_AUDIO1STATUS 0xd8 158 #define ESS_CMD_CONTDMA 0xd4 159 #define ESS_CMD_TESTIRQ 0xf2 160 161 #define ESS_RECSRC_MIC 0 162 #define ESS_RECSRC_AUXACD 2 163 #define ESS_RECSRC_AUXB 5 164 #define ESS_RECSRC_LINE 6 165 #define ESS_RECSRC_NONE 7 166 167 #define DAC1 0x01 168 #define ADC1 0x02 169 #define DAC2 0x04 170 171 /* 172 173 */ 174 175 #define SAVED_REG_SIZE 32 /* max. number of registers to save */ 176 177 struct es1938 { 178 int irq; 179 180 unsigned long io_port; 181 unsigned long sb_port; 182 unsigned long vc_port; 183 unsigned long mpu_port; 184 unsigned long game_port; 185 unsigned long ddma_port; 186 187 unsigned char irqmask; 188 unsigned char revision; 189 190 struct snd_kcontrol *hw_volume; 191 struct snd_kcontrol *hw_switch; 192 struct snd_kcontrol *master_volume; 193 struct snd_kcontrol *master_switch; 194 195 struct pci_dev *pci; 196 struct snd_card *card; 197 struct snd_pcm *pcm; 198 struct snd_pcm_substream *capture_substream; 199 struct snd_pcm_substream *playback1_substream; 200 struct snd_pcm_substream *playback2_substream; 201 struct snd_rawmidi *rmidi; 202 203 unsigned int dma1_size; 204 unsigned int dma2_size; 205 unsigned int dma1_start; 206 unsigned int dma2_start; 207 unsigned int dma1_shift; 208 unsigned int dma2_shift; 209 unsigned int last_capture_dmaaddr; 210 unsigned int active; 211 212 spinlock_t reg_lock; 213 spinlock_t mixer_lock; 214 struct snd_info_entry *proc_entry; 215 216 #ifdef SUPPORT_JOYSTICK 217 struct gameport *gameport; 218 #endif 219 #ifdef CONFIG_PM_SLEEP 220 unsigned char saved_regs[SAVED_REG_SIZE]; 221 #endif 222 }; 223 224 static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id); 225 226 static const struct pci_device_id snd_es1938_ids[] = { 227 { PCI_VDEVICE(ESS, 0x1969), 0, }, /* Solo-1 */ 228 { 0, } 229 }; 230 231 MODULE_DEVICE_TABLE(pci, snd_es1938_ids); 232 233 #define RESET_LOOP_TIMEOUT 0x10000 234 #define WRITE_LOOP_TIMEOUT 0x10000 235 #define GET_LOOP_TIMEOUT 0x01000 236 237 /* ----------------------------------------------------------------- 238 * Write to a mixer register 239 * -----------------------------------------------------------------*/ 240 static void snd_es1938_mixer_write(struct es1938 *chip, unsigned char reg, unsigned char val) 241 { 242 unsigned long flags; 243 spin_lock_irqsave(&chip->mixer_lock, flags); 244 outb(reg, SLSB_REG(chip, MIXERADDR)); 245 outb(val, SLSB_REG(chip, MIXERDATA)); 246 spin_unlock_irqrestore(&chip->mixer_lock, flags); 247 dev_dbg(chip->card->dev, "Mixer reg %02x set to %02x\n", reg, val); 248 } 249 250 /* ----------------------------------------------------------------- 251 * Read from a mixer register 252 * -----------------------------------------------------------------*/ 253 static int snd_es1938_mixer_read(struct es1938 *chip, unsigned char reg) 254 { 255 int data; 256 unsigned long flags; 257 spin_lock_irqsave(&chip->mixer_lock, flags); 258 outb(reg, SLSB_REG(chip, MIXERADDR)); 259 data = inb(SLSB_REG(chip, MIXERDATA)); 260 spin_unlock_irqrestore(&chip->mixer_lock, flags); 261 dev_dbg(chip->card->dev, "Mixer reg %02x now is %02x\n", reg, data); 262 return data; 263 } 264 265 /* ----------------------------------------------------------------- 266 * Write to some bits of a mixer register (return old value) 267 * -----------------------------------------------------------------*/ 268 static int snd_es1938_mixer_bits(struct es1938 *chip, unsigned char reg, 269 unsigned char mask, unsigned char val) 270 { 271 unsigned long flags; 272 unsigned char old, new, oval; 273 spin_lock_irqsave(&chip->mixer_lock, flags); 274 outb(reg, SLSB_REG(chip, MIXERADDR)); 275 old = inb(SLSB_REG(chip, MIXERDATA)); 276 oval = old & mask; 277 if (val != oval) { 278 new = (old & ~mask) | (val & mask); 279 outb(new, SLSB_REG(chip, MIXERDATA)); 280 dev_dbg(chip->card->dev, 281 "Mixer reg %02x was %02x, set to %02x\n", 282 reg, old, new); 283 } 284 spin_unlock_irqrestore(&chip->mixer_lock, flags); 285 return oval; 286 } 287 288 /* ----------------------------------------------------------------- 289 * Write command to Controller Registers 290 * -----------------------------------------------------------------*/ 291 static void snd_es1938_write_cmd(struct es1938 *chip, unsigned char cmd) 292 { 293 int i; 294 unsigned char v; 295 for (i = 0; i < WRITE_LOOP_TIMEOUT; i++) { 296 v = inb(SLSB_REG(chip, READSTATUS)); 297 if (!(v & 0x80)) { 298 outb(cmd, SLSB_REG(chip, WRITEDATA)); 299 return; 300 } 301 } 302 dev_err(chip->card->dev, 303 "snd_es1938_write_cmd timeout (0x02%x/0x02%x)\n", cmd, v); 304 } 305 306 /* ----------------------------------------------------------------- 307 * Read the Read Data Buffer 308 * -----------------------------------------------------------------*/ 309 static int snd_es1938_get_byte(struct es1938 *chip) 310 { 311 int i; 312 unsigned char v; 313 for (i = GET_LOOP_TIMEOUT; i; i--) { 314 v = inb(SLSB_REG(chip, STATUS)); 315 if (v & 0x80) 316 return inb(SLSB_REG(chip, READDATA)); 317 } 318 dev_err(chip->card->dev, "get_byte timeout: status 0x02%x\n", v); 319 return -ENODEV; 320 } 321 322 /* ----------------------------------------------------------------- 323 * Write value cmd register 324 * -----------------------------------------------------------------*/ 325 static void snd_es1938_write(struct es1938 *chip, unsigned char reg, unsigned char val) 326 { 327 unsigned long flags; 328 spin_lock_irqsave(&chip->reg_lock, flags); 329 snd_es1938_write_cmd(chip, reg); 330 snd_es1938_write_cmd(chip, val); 331 spin_unlock_irqrestore(&chip->reg_lock, flags); 332 dev_dbg(chip->card->dev, "Reg %02x set to %02x\n", reg, val); 333 } 334 335 /* ----------------------------------------------------------------- 336 * Read data from cmd register and return it 337 * -----------------------------------------------------------------*/ 338 static unsigned char snd_es1938_read(struct es1938 *chip, unsigned char reg) 339 { 340 unsigned char val; 341 unsigned long flags; 342 spin_lock_irqsave(&chip->reg_lock, flags); 343 snd_es1938_write_cmd(chip, ESS_CMD_READREG); 344 snd_es1938_write_cmd(chip, reg); 345 val = snd_es1938_get_byte(chip); 346 spin_unlock_irqrestore(&chip->reg_lock, flags); 347 dev_dbg(chip->card->dev, "Reg %02x now is %02x\n", reg, val); 348 return val; 349 } 350 351 /* ----------------------------------------------------------------- 352 * Write data to cmd register and return old value 353 * -----------------------------------------------------------------*/ 354 static int snd_es1938_bits(struct es1938 *chip, unsigned char reg, unsigned char mask, 355 unsigned char val) 356 { 357 unsigned long flags; 358 unsigned char old, new, oval; 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 old = snd_es1938_get_byte(chip); 363 oval = old & mask; 364 if (val != oval) { 365 snd_es1938_write_cmd(chip, reg); 366 new = (old & ~mask) | (val & mask); 367 snd_es1938_write_cmd(chip, new); 368 dev_dbg(chip->card->dev, "Reg %02x was %02x, set to %02x\n", 369 reg, old, new); 370 } 371 spin_unlock_irqrestore(&chip->reg_lock, flags); 372 return oval; 373 } 374 375 /* -------------------------------------------------------------------- 376 * Reset the chip 377 * --------------------------------------------------------------------*/ 378 static void snd_es1938_reset(struct es1938 *chip) 379 { 380 int i; 381 382 outb(3, SLSB_REG(chip, RESET)); 383 inb(SLSB_REG(chip, RESET)); 384 outb(0, SLSB_REG(chip, RESET)); 385 for (i = 0; i < RESET_LOOP_TIMEOUT; i++) { 386 if (inb(SLSB_REG(chip, STATUS)) & 0x80) { 387 if (inb(SLSB_REG(chip, READDATA)) == 0xaa) 388 goto __next; 389 } 390 } 391 dev_err(chip->card->dev, "ESS Solo-1 reset failed\n"); 392 393 __next: 394 snd_es1938_write_cmd(chip, ESS_CMD_ENABLEEXT); 395 396 /* Demand transfer DMA: 4 bytes per DMA request */ 397 snd_es1938_write(chip, ESS_CMD_DMATYPE, 2); 398 399 /* Change behaviour of register A1 400 4x oversampling 401 2nd channel DAC asynchronous */ 402 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2MODE, 0x32); 403 /* enable/select DMA channel and IRQ channel */ 404 snd_es1938_bits(chip, ESS_CMD_IRQCONTROL, 0xf0, 0x50); 405 snd_es1938_bits(chip, ESS_CMD_DRQCONTROL, 0xf0, 0x50); 406 snd_es1938_write_cmd(chip, ESS_CMD_ENABLEAUDIO1); 407 /* Set spatializer parameters to recommended values */ 408 snd_es1938_mixer_write(chip, 0x54, 0x8f); 409 snd_es1938_mixer_write(chip, 0x56, 0x95); 410 snd_es1938_mixer_write(chip, 0x58, 0x94); 411 snd_es1938_mixer_write(chip, 0x5a, 0x80); 412 } 413 414 /* -------------------------------------------------------------------- 415 * Reset the FIFOs 416 * --------------------------------------------------------------------*/ 417 static void snd_es1938_reset_fifo(struct es1938 *chip) 418 { 419 outb(2, SLSB_REG(chip, RESET)); 420 outb(0, SLSB_REG(chip, RESET)); 421 } 422 423 static const struct snd_ratnum clocks[2] = { 424 { 425 .num = 793800, 426 .den_min = 1, 427 .den_max = 128, 428 .den_step = 1, 429 }, 430 { 431 .num = 768000, 432 .den_min = 1, 433 .den_max = 128, 434 .den_step = 1, 435 } 436 }; 437 438 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 439 .nrats = 2, 440 .rats = clocks, 441 }; 442 443 444 static void snd_es1938_rate_set(struct es1938 *chip, 445 struct snd_pcm_substream *substream, 446 int mode) 447 { 448 unsigned int bits, div0; 449 struct snd_pcm_runtime *runtime = substream->runtime; 450 if (runtime->rate_num == clocks[0].num) 451 bits = 128 - runtime->rate_den; 452 else 453 bits = 256 - runtime->rate_den; 454 455 /* set filter register */ 456 div0 = 256 - 7160000*20/(8*82*runtime->rate); 457 458 if (mode == DAC2) { 459 snd_es1938_mixer_write(chip, 0x70, bits); 460 snd_es1938_mixer_write(chip, 0x72, div0); 461 } else { 462 snd_es1938_write(chip, 0xA1, bits); 463 snd_es1938_write(chip, 0xA2, div0); 464 } 465 } 466 467 /* -------------------------------------------------------------------- 468 * Configure Solo1 builtin DMA Controller 469 * --------------------------------------------------------------------*/ 470 471 static void snd_es1938_playback1_setdma(struct es1938 *chip) 472 { 473 outb(0x00, SLIO_REG(chip, AUDIO2MODE)); 474 outl(chip->dma2_start, SLIO_REG(chip, AUDIO2DMAADDR)); 475 outw(0, SLIO_REG(chip, AUDIO2DMACOUNT)); 476 outw(chip->dma2_size, SLIO_REG(chip, AUDIO2DMACOUNT)); 477 } 478 479 static void snd_es1938_playback2_setdma(struct es1938 *chip) 480 { 481 /* Enable DMA controller */ 482 outb(0xc4, SLDM_REG(chip, DMACOMMAND)); 483 /* 1. Master reset */ 484 outb(0, SLDM_REG(chip, DMACLEAR)); 485 /* 2. Mask DMA */ 486 outb(1, SLDM_REG(chip, DMAMASK)); 487 outb(0x18, SLDM_REG(chip, DMAMODE)); 488 outl(chip->dma1_start, SLDM_REG(chip, DMAADDR)); 489 outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT)); 490 /* 3. Unmask DMA */ 491 outb(0, SLDM_REG(chip, DMAMASK)); 492 } 493 494 static void snd_es1938_capture_setdma(struct es1938 *chip) 495 { 496 /* Enable DMA controller */ 497 outb(0xc4, SLDM_REG(chip, DMACOMMAND)); 498 /* 1. Master reset */ 499 outb(0, SLDM_REG(chip, DMACLEAR)); 500 /* 2. Mask DMA */ 501 outb(1, SLDM_REG(chip, DMAMASK)); 502 outb(0x14, SLDM_REG(chip, DMAMODE)); 503 outl(chip->dma1_start, SLDM_REG(chip, DMAADDR)); 504 chip->last_capture_dmaaddr = chip->dma1_start; 505 outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT)); 506 /* 3. Unmask DMA */ 507 outb(0, SLDM_REG(chip, DMAMASK)); 508 } 509 510 /* ---------------------------------------------------------------------- 511 * 512 * *** PCM part *** 513 */ 514 515 static int snd_es1938_capture_trigger(struct snd_pcm_substream *substream, 516 int cmd) 517 { 518 struct es1938 *chip = snd_pcm_substream_chip(substream); 519 int val; 520 switch (cmd) { 521 case SNDRV_PCM_TRIGGER_START: 522 case SNDRV_PCM_TRIGGER_RESUME: 523 val = 0x0f; 524 chip->active |= ADC1; 525 break; 526 case SNDRV_PCM_TRIGGER_STOP: 527 case SNDRV_PCM_TRIGGER_SUSPEND: 528 val = 0x00; 529 chip->active &= ~ADC1; 530 break; 531 default: 532 return -EINVAL; 533 } 534 snd_es1938_write(chip, ESS_CMD_DMACONTROL, val); 535 return 0; 536 } 537 538 static int snd_es1938_playback1_trigger(struct snd_pcm_substream *substream, 539 int cmd) 540 { 541 struct es1938 *chip = snd_pcm_substream_chip(substream); 542 switch (cmd) { 543 case SNDRV_PCM_TRIGGER_START: 544 case SNDRV_PCM_TRIGGER_RESUME: 545 /* According to the documentation this should be: 546 0x13 but that value may randomly swap stereo channels */ 547 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x92); 548 udelay(10); 549 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x93); 550 /* This two stage init gives the FIFO -> DAC connection time to 551 * settle before first data from DMA flows in. This should ensure 552 * no swapping of stereo channels. Report a bug if otherwise :-) */ 553 outb(0x0a, SLIO_REG(chip, AUDIO2MODE)); 554 chip->active |= DAC2; 555 break; 556 case SNDRV_PCM_TRIGGER_STOP: 557 case SNDRV_PCM_TRIGGER_SUSPEND: 558 outb(0, SLIO_REG(chip, AUDIO2MODE)); 559 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0); 560 chip->active &= ~DAC2; 561 break; 562 default: 563 return -EINVAL; 564 } 565 return 0; 566 } 567 568 static int snd_es1938_playback2_trigger(struct snd_pcm_substream *substream, 569 int cmd) 570 { 571 struct es1938 *chip = snd_pcm_substream_chip(substream); 572 int val; 573 switch (cmd) { 574 case SNDRV_PCM_TRIGGER_START: 575 case SNDRV_PCM_TRIGGER_RESUME: 576 val = 5; 577 chip->active |= DAC1; 578 break; 579 case SNDRV_PCM_TRIGGER_STOP: 580 case SNDRV_PCM_TRIGGER_SUSPEND: 581 val = 0; 582 chip->active &= ~DAC1; 583 break; 584 default: 585 return -EINVAL; 586 } 587 snd_es1938_write(chip, ESS_CMD_DMACONTROL, val); 588 return 0; 589 } 590 591 static int snd_es1938_playback_trigger(struct snd_pcm_substream *substream, 592 int cmd) 593 { 594 switch (substream->number) { 595 case 0: 596 return snd_es1938_playback1_trigger(substream, cmd); 597 case 1: 598 return snd_es1938_playback2_trigger(substream, cmd); 599 } 600 snd_BUG(); 601 return -EINVAL; 602 } 603 604 /* -------------------------------------------------------------------- 605 * First channel for Extended Mode Audio 1 ADC Operation 606 * --------------------------------------------------------------------*/ 607 static int snd_es1938_capture_prepare(struct snd_pcm_substream *substream) 608 { 609 struct es1938 *chip = snd_pcm_substream_chip(substream); 610 struct snd_pcm_runtime *runtime = substream->runtime; 611 int u, is8, mono; 612 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 613 unsigned int count = snd_pcm_lib_period_bytes(substream); 614 615 chip->dma1_size = size; 616 chip->dma1_start = runtime->dma_addr; 617 618 mono = (runtime->channels > 1) ? 0 : 1; 619 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; 620 u = snd_pcm_format_unsigned(runtime->format); 621 622 chip->dma1_shift = 2 - mono - is8; 623 624 snd_es1938_reset_fifo(chip); 625 626 /* program type */ 627 snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1)); 628 629 /* set clock and counters */ 630 snd_es1938_rate_set(chip, substream, ADC1); 631 632 count = 0x10000 - count; 633 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff); 634 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8); 635 636 /* initialize and configure ADC */ 637 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, u ? 0x51 : 0x71); 638 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, 0x90 | 639 (u ? 0x00 : 0x20) | 640 (is8 ? 0x00 : 0x04) | 641 (mono ? 0x40 : 0x08)); 642 643 // snd_es1938_reset_fifo(chip); 644 645 /* 11. configure system interrupt controller and DMA controller */ 646 snd_es1938_capture_setdma(chip); 647 648 return 0; 649 } 650 651 652 /* ------------------------------------------------------------------------------ 653 * Second Audio channel DAC Operation 654 * ------------------------------------------------------------------------------*/ 655 static int snd_es1938_playback1_prepare(struct snd_pcm_substream *substream) 656 { 657 struct es1938 *chip = snd_pcm_substream_chip(substream); 658 struct snd_pcm_runtime *runtime = substream->runtime; 659 int u, is8, mono; 660 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 661 unsigned int count = snd_pcm_lib_period_bytes(substream); 662 663 chip->dma2_size = size; 664 chip->dma2_start = runtime->dma_addr; 665 666 mono = (runtime->channels > 1) ? 0 : 1; 667 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; 668 u = snd_pcm_format_unsigned(runtime->format); 669 670 chip->dma2_shift = 2 - mono - is8; 671 672 snd_es1938_reset_fifo(chip); 673 674 /* set clock and counters */ 675 snd_es1938_rate_set(chip, substream, DAC2); 676 677 count >>= 1; 678 count = 0x10000 - count; 679 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTL, count & 0xff); 680 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTH, count >> 8); 681 682 /* initialize and configure Audio 2 DAC */ 683 snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x40 | (u ? 0 : 4) | 684 (mono ? 0 : 2) | (is8 ? 0 : 1)); 685 686 /* program DMA */ 687 snd_es1938_playback1_setdma(chip); 688 689 return 0; 690 } 691 692 static int snd_es1938_playback2_prepare(struct snd_pcm_substream *substream) 693 { 694 struct es1938 *chip = snd_pcm_substream_chip(substream); 695 struct snd_pcm_runtime *runtime = substream->runtime; 696 int u, is8, mono; 697 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 698 unsigned int count = snd_pcm_lib_period_bytes(substream); 699 700 chip->dma1_size = size; 701 chip->dma1_start = runtime->dma_addr; 702 703 mono = (runtime->channels > 1) ? 0 : 1; 704 is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; 705 u = snd_pcm_format_unsigned(runtime->format); 706 707 chip->dma1_shift = 2 - mono - is8; 708 709 count = 0x10000 - count; 710 711 /* reset */ 712 snd_es1938_reset_fifo(chip); 713 714 snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1)); 715 716 /* set clock and counters */ 717 snd_es1938_rate_set(chip, substream, DAC1); 718 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff); 719 snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8); 720 721 /* initialized and configure DAC */ 722 snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x80 : 0x00); 723 snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x51 : 0x71); 724 snd_es1938_write(chip, ESS_CMD_SETFORMAT2, 725 0x90 | (mono ? 0x40 : 0x08) | 726 (is8 ? 0x00 : 0x04) | (u ? 0x00 : 0x20)); 727 728 /* program DMA */ 729 snd_es1938_playback2_setdma(chip); 730 731 return 0; 732 } 733 734 static int snd_es1938_playback_prepare(struct snd_pcm_substream *substream) 735 { 736 switch (substream->number) { 737 case 0: 738 return snd_es1938_playback1_prepare(substream); 739 case 1: 740 return snd_es1938_playback2_prepare(substream); 741 } 742 snd_BUG(); 743 return -EINVAL; 744 } 745 746 /* during the incrementing of dma counters the DMA register reads sometimes 747 returns garbage. To ensure a valid hw pointer, the following checks which 748 should be very unlikely to fail are used: 749 - is the current DMA address in the valid DMA range ? 750 - is the sum of DMA address and DMA counter pointing to the last DMA byte ? 751 One can argue this could differ by one byte depending on which register is 752 updated first, so the implementation below allows for that. 753 */ 754 static snd_pcm_uframes_t snd_es1938_capture_pointer(struct snd_pcm_substream *substream) 755 { 756 struct es1938 *chip = snd_pcm_substream_chip(substream); 757 size_t ptr; 758 #if 0 759 size_t old, new; 760 /* This stuff is *needed*, don't ask why - AB */ 761 old = inw(SLDM_REG(chip, DMACOUNT)); 762 while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old) 763 old = new; 764 ptr = chip->dma1_size - 1 - new; 765 #else 766 size_t count; 767 unsigned int diff; 768 769 ptr = inl(SLDM_REG(chip, DMAADDR)); 770 count = inw(SLDM_REG(chip, DMACOUNT)); 771 diff = chip->dma1_start + chip->dma1_size - ptr - count; 772 773 if (diff > 3 || ptr < chip->dma1_start 774 || ptr >= chip->dma1_start+chip->dma1_size) 775 ptr = chip->last_capture_dmaaddr; /* bad, use last saved */ 776 else 777 chip->last_capture_dmaaddr = ptr; /* good, remember it */ 778 779 ptr -= chip->dma1_start; 780 #endif 781 return ptr >> chip->dma1_shift; 782 } 783 784 static snd_pcm_uframes_t snd_es1938_playback1_pointer(struct snd_pcm_substream *substream) 785 { 786 struct es1938 *chip = snd_pcm_substream_chip(substream); 787 size_t ptr; 788 #if 1 789 ptr = chip->dma2_size - inw(SLIO_REG(chip, AUDIO2DMACOUNT)); 790 #else 791 ptr = inl(SLIO_REG(chip, AUDIO2DMAADDR)) - chip->dma2_start; 792 #endif 793 return ptr >> chip->dma2_shift; 794 } 795 796 static snd_pcm_uframes_t snd_es1938_playback2_pointer(struct snd_pcm_substream *substream) 797 { 798 struct es1938 *chip = snd_pcm_substream_chip(substream); 799 size_t ptr; 800 size_t old, new; 801 #if 1 802 /* This stuff is *needed*, don't ask why - AB */ 803 old = inw(SLDM_REG(chip, DMACOUNT)); 804 while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old) 805 old = new; 806 ptr = chip->dma1_size - 1 - new; 807 #else 808 ptr = inl(SLDM_REG(chip, DMAADDR)) - chip->dma1_start; 809 #endif 810 return ptr >> chip->dma1_shift; 811 } 812 813 static snd_pcm_uframes_t snd_es1938_playback_pointer(struct snd_pcm_substream *substream) 814 { 815 switch (substream->number) { 816 case 0: 817 return snd_es1938_playback1_pointer(substream); 818 case 1: 819 return snd_es1938_playback2_pointer(substream); 820 } 821 snd_BUG(); 822 return -EINVAL; 823 } 824 825 static int snd_es1938_capture_copy(struct snd_pcm_substream *substream, 826 int channel, unsigned long pos, 827 void __user *dst, unsigned long count) 828 { 829 struct snd_pcm_runtime *runtime = substream->runtime; 830 struct es1938 *chip = snd_pcm_substream_chip(substream); 831 832 if (snd_BUG_ON(pos + count > chip->dma1_size)) 833 return -EINVAL; 834 if (pos + count < chip->dma1_size) { 835 if (copy_to_user(dst, runtime->dma_area + pos + 1, count)) 836 return -EFAULT; 837 } else { 838 if (copy_to_user(dst, runtime->dma_area + pos + 1, count - 1)) 839 return -EFAULT; 840 if (put_user(runtime->dma_area[0], 841 ((unsigned char __user *)dst) + count - 1)) 842 return -EFAULT; 843 } 844 return 0; 845 } 846 847 static int snd_es1938_capture_copy_kernel(struct snd_pcm_substream *substream, 848 int channel, unsigned long pos, 849 void *dst, unsigned long count) 850 { 851 struct snd_pcm_runtime *runtime = substream->runtime; 852 struct es1938 *chip = snd_pcm_substream_chip(substream); 853 854 if (snd_BUG_ON(pos + count > chip->dma1_size)) 855 return -EINVAL; 856 if (pos + count < chip->dma1_size) { 857 memcpy(dst, runtime->dma_area + pos + 1, count); 858 } else { 859 memcpy(dst, runtime->dma_area + pos + 1, count - 1); 860 runtime->dma_area[0] = *((unsigned char *)dst + count - 1); 861 } 862 return 0; 863 } 864 865 /* ---------------------------------------------------------------------- 866 * Audio1 Capture (ADC) 867 * ----------------------------------------------------------------------*/ 868 static const struct snd_pcm_hardware snd_es1938_capture = 869 { 870 .info = (SNDRV_PCM_INFO_INTERLEAVED | 871 SNDRV_PCM_INFO_BLOCK_TRANSFER), 872 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 873 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 874 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 875 .rate_min = 6000, 876 .rate_max = 48000, 877 .channels_min = 1, 878 .channels_max = 2, 879 .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */ 880 .period_bytes_min = 64, 881 .period_bytes_max = 0x8000, 882 .periods_min = 1, 883 .periods_max = 1024, 884 .fifo_size = 256, 885 }; 886 887 /* ----------------------------------------------------------------------- 888 * Audio2 Playback (DAC) 889 * -----------------------------------------------------------------------*/ 890 static const struct snd_pcm_hardware snd_es1938_playback = 891 { 892 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 893 SNDRV_PCM_INFO_BLOCK_TRANSFER | 894 SNDRV_PCM_INFO_MMAP_VALID), 895 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 896 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 897 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 898 .rate_min = 6000, 899 .rate_max = 48000, 900 .channels_min = 1, 901 .channels_max = 2, 902 .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */ 903 .period_bytes_min = 64, 904 .period_bytes_max = 0x8000, 905 .periods_min = 1, 906 .periods_max = 1024, 907 .fifo_size = 256, 908 }; 909 910 static int snd_es1938_capture_open(struct snd_pcm_substream *substream) 911 { 912 struct es1938 *chip = snd_pcm_substream_chip(substream); 913 struct snd_pcm_runtime *runtime = substream->runtime; 914 915 if (chip->playback2_substream) 916 return -EAGAIN; 917 chip->capture_substream = substream; 918 runtime->hw = snd_es1938_capture; 919 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 920 &hw_constraints_clocks); 921 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00); 922 return 0; 923 } 924 925 static int snd_es1938_playback_open(struct snd_pcm_substream *substream) 926 { 927 struct es1938 *chip = snd_pcm_substream_chip(substream); 928 struct snd_pcm_runtime *runtime = substream->runtime; 929 930 switch (substream->number) { 931 case 0: 932 chip->playback1_substream = substream; 933 break; 934 case 1: 935 if (chip->capture_substream) 936 return -EAGAIN; 937 chip->playback2_substream = substream; 938 break; 939 default: 940 snd_BUG(); 941 return -EINVAL; 942 } 943 runtime->hw = snd_es1938_playback; 944 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 945 &hw_constraints_clocks); 946 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00); 947 return 0; 948 } 949 950 static int snd_es1938_capture_close(struct snd_pcm_substream *substream) 951 { 952 struct es1938 *chip = snd_pcm_substream_chip(substream); 953 954 chip->capture_substream = NULL; 955 return 0; 956 } 957 958 static int snd_es1938_playback_close(struct snd_pcm_substream *substream) 959 { 960 struct es1938 *chip = snd_pcm_substream_chip(substream); 961 962 switch (substream->number) { 963 case 0: 964 chip->playback1_substream = NULL; 965 break; 966 case 1: 967 chip->playback2_substream = NULL; 968 break; 969 default: 970 snd_BUG(); 971 return -EINVAL; 972 } 973 return 0; 974 } 975 976 static const struct snd_pcm_ops snd_es1938_playback_ops = { 977 .open = snd_es1938_playback_open, 978 .close = snd_es1938_playback_close, 979 .prepare = snd_es1938_playback_prepare, 980 .trigger = snd_es1938_playback_trigger, 981 .pointer = snd_es1938_playback_pointer, 982 }; 983 984 static const struct snd_pcm_ops snd_es1938_capture_ops = { 985 .open = snd_es1938_capture_open, 986 .close = snd_es1938_capture_close, 987 .prepare = snd_es1938_capture_prepare, 988 .trigger = snd_es1938_capture_trigger, 989 .pointer = snd_es1938_capture_pointer, 990 .copy_user = snd_es1938_capture_copy, 991 .copy_kernel = snd_es1938_capture_copy_kernel, 992 }; 993 994 static int snd_es1938_new_pcm(struct es1938 *chip, int device) 995 { 996 struct snd_pcm *pcm; 997 int err; 998 999 err = snd_pcm_new(chip->card, "es-1938-1946", device, 2, 1, &pcm); 1000 if (err < 0) 1001 return err; 1002 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1938_playback_ops); 1003 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1938_capture_ops); 1004 1005 pcm->private_data = chip; 1006 pcm->info_flags = 0; 1007 strcpy(pcm->name, "ESS Solo-1"); 1008 1009 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, 1010 &chip->pci->dev, 64*1024, 64*1024); 1011 1012 chip->pcm = pcm; 1013 return 0; 1014 } 1015 1016 /* ------------------------------------------------------------------- 1017 * 1018 * *** Mixer part *** 1019 */ 1020 1021 static int snd_es1938_info_mux(struct snd_kcontrol *kcontrol, 1022 struct snd_ctl_elem_info *uinfo) 1023 { 1024 static const char * const texts[8] = { 1025 "Mic", "Mic Master", "CD", "AOUT", 1026 "Mic1", "Mix", "Line", "Master" 1027 }; 1028 1029 return snd_ctl_enum_info(uinfo, 1, 8, texts); 1030 } 1031 1032 static int snd_es1938_get_mux(struct snd_kcontrol *kcontrol, 1033 struct snd_ctl_elem_value *ucontrol) 1034 { 1035 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1036 ucontrol->value.enumerated.item[0] = snd_es1938_mixer_read(chip, 0x1c) & 0x07; 1037 return 0; 1038 } 1039 1040 static int snd_es1938_put_mux(struct snd_kcontrol *kcontrol, 1041 struct snd_ctl_elem_value *ucontrol) 1042 { 1043 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1044 unsigned char val = ucontrol->value.enumerated.item[0]; 1045 1046 if (val > 7) 1047 return -EINVAL; 1048 return snd_es1938_mixer_bits(chip, 0x1c, 0x07, val) != val; 1049 } 1050 1051 #define snd_es1938_info_spatializer_enable snd_ctl_boolean_mono_info 1052 1053 static int snd_es1938_get_spatializer_enable(struct snd_kcontrol *kcontrol, 1054 struct snd_ctl_elem_value *ucontrol) 1055 { 1056 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1057 unsigned char val = snd_es1938_mixer_read(chip, 0x50); 1058 ucontrol->value.integer.value[0] = !!(val & 8); 1059 return 0; 1060 } 1061 1062 static int snd_es1938_put_spatializer_enable(struct snd_kcontrol *kcontrol, 1063 struct snd_ctl_elem_value *ucontrol) 1064 { 1065 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1066 unsigned char oval, nval; 1067 int change; 1068 nval = ucontrol->value.integer.value[0] ? 0x0c : 0x04; 1069 oval = snd_es1938_mixer_read(chip, 0x50) & 0x0c; 1070 change = nval != oval; 1071 if (change) { 1072 snd_es1938_mixer_write(chip, 0x50, nval & ~0x04); 1073 snd_es1938_mixer_write(chip, 0x50, nval); 1074 } 1075 return change; 1076 } 1077 1078 static int snd_es1938_info_hw_volume(struct snd_kcontrol *kcontrol, 1079 struct snd_ctl_elem_info *uinfo) 1080 { 1081 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1082 uinfo->count = 2; 1083 uinfo->value.integer.min = 0; 1084 uinfo->value.integer.max = 63; 1085 return 0; 1086 } 1087 1088 static int snd_es1938_get_hw_volume(struct snd_kcontrol *kcontrol, 1089 struct snd_ctl_elem_value *ucontrol) 1090 { 1091 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1092 ucontrol->value.integer.value[0] = snd_es1938_mixer_read(chip, 0x61) & 0x3f; 1093 ucontrol->value.integer.value[1] = snd_es1938_mixer_read(chip, 0x63) & 0x3f; 1094 return 0; 1095 } 1096 1097 #define snd_es1938_info_hw_switch snd_ctl_boolean_stereo_info 1098 1099 static int snd_es1938_get_hw_switch(struct snd_kcontrol *kcontrol, 1100 struct snd_ctl_elem_value *ucontrol) 1101 { 1102 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1103 ucontrol->value.integer.value[0] = !(snd_es1938_mixer_read(chip, 0x61) & 0x40); 1104 ucontrol->value.integer.value[1] = !(snd_es1938_mixer_read(chip, 0x63) & 0x40); 1105 return 0; 1106 } 1107 1108 static void snd_es1938_hwv_free(struct snd_kcontrol *kcontrol) 1109 { 1110 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1111 chip->master_volume = NULL; 1112 chip->master_switch = NULL; 1113 chip->hw_volume = NULL; 1114 chip->hw_switch = NULL; 1115 } 1116 1117 static int snd_es1938_reg_bits(struct es1938 *chip, unsigned char reg, 1118 unsigned char mask, unsigned char val) 1119 { 1120 if (reg < 0xa0) 1121 return snd_es1938_mixer_bits(chip, reg, mask, val); 1122 else 1123 return snd_es1938_bits(chip, reg, mask, val); 1124 } 1125 1126 static int snd_es1938_reg_read(struct es1938 *chip, unsigned char reg) 1127 { 1128 if (reg < 0xa0) 1129 return snd_es1938_mixer_read(chip, reg); 1130 else 1131 return snd_es1938_read(chip, reg); 1132 } 1133 1134 #define ES1938_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ 1135 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 1136 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\ 1137 .name = xname, .index = xindex, \ 1138 .info = snd_es1938_info_single, \ 1139 .get = snd_es1938_get_single, .put = snd_es1938_put_single, \ 1140 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ 1141 .tlv = { .p = xtlv } } 1142 #define ES1938_SINGLE(xname, xindex, reg, shift, mask, invert) \ 1143 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 1144 .info = snd_es1938_info_single, \ 1145 .get = snd_es1938_get_single, .put = snd_es1938_put_single, \ 1146 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 1147 1148 static int snd_es1938_info_single(struct snd_kcontrol *kcontrol, 1149 struct snd_ctl_elem_info *uinfo) 1150 { 1151 int mask = (kcontrol->private_value >> 16) & 0xff; 1152 1153 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 1154 uinfo->count = 1; 1155 uinfo->value.integer.min = 0; 1156 uinfo->value.integer.max = mask; 1157 return 0; 1158 } 1159 1160 static int snd_es1938_get_single(struct snd_kcontrol *kcontrol, 1161 struct snd_ctl_elem_value *ucontrol) 1162 { 1163 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1164 int reg = kcontrol->private_value & 0xff; 1165 int shift = (kcontrol->private_value >> 8) & 0xff; 1166 int mask = (kcontrol->private_value >> 16) & 0xff; 1167 int invert = (kcontrol->private_value >> 24) & 0xff; 1168 int val; 1169 1170 val = snd_es1938_reg_read(chip, reg); 1171 ucontrol->value.integer.value[0] = (val >> shift) & mask; 1172 if (invert) 1173 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 1174 return 0; 1175 } 1176 1177 static int snd_es1938_put_single(struct snd_kcontrol *kcontrol, 1178 struct snd_ctl_elem_value *ucontrol) 1179 { 1180 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1181 int reg = kcontrol->private_value & 0xff; 1182 int shift = (kcontrol->private_value >> 8) & 0xff; 1183 int mask = (kcontrol->private_value >> 16) & 0xff; 1184 int invert = (kcontrol->private_value >> 24) & 0xff; 1185 unsigned char val; 1186 1187 val = (ucontrol->value.integer.value[0] & mask); 1188 if (invert) 1189 val = mask - val; 1190 mask <<= shift; 1191 val <<= shift; 1192 return snd_es1938_reg_bits(chip, reg, mask, val) != val; 1193 } 1194 1195 #define ES1938_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ 1196 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 1197 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\ 1198 .name = xname, .index = xindex, \ 1199 .info = snd_es1938_info_double, \ 1200 .get = snd_es1938_get_double, .put = snd_es1938_put_double, \ 1201 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22), \ 1202 .tlv = { .p = xtlv } } 1203 #define ES1938_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 1204 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 1205 .info = snd_es1938_info_double, \ 1206 .get = snd_es1938_get_double, .put = snd_es1938_put_double, \ 1207 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 1208 1209 static int snd_es1938_info_double(struct snd_kcontrol *kcontrol, 1210 struct snd_ctl_elem_info *uinfo) 1211 { 1212 int mask = (kcontrol->private_value >> 24) & 0xff; 1213 1214 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 1215 uinfo->count = 2; 1216 uinfo->value.integer.min = 0; 1217 uinfo->value.integer.max = mask; 1218 return 0; 1219 } 1220 1221 static int snd_es1938_get_double(struct snd_kcontrol *kcontrol, 1222 struct snd_ctl_elem_value *ucontrol) 1223 { 1224 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1225 int left_reg = kcontrol->private_value & 0xff; 1226 int right_reg = (kcontrol->private_value >> 8) & 0xff; 1227 int shift_left = (kcontrol->private_value >> 16) & 0x07; 1228 int shift_right = (kcontrol->private_value >> 19) & 0x07; 1229 int mask = (kcontrol->private_value >> 24) & 0xff; 1230 int invert = (kcontrol->private_value >> 22) & 1; 1231 unsigned char left, right; 1232 1233 left = snd_es1938_reg_read(chip, left_reg); 1234 if (left_reg != right_reg) 1235 right = snd_es1938_reg_read(chip, right_reg); 1236 else 1237 right = left; 1238 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 1239 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 1240 if (invert) { 1241 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 1242 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 1243 } 1244 return 0; 1245 } 1246 1247 static int snd_es1938_put_double(struct snd_kcontrol *kcontrol, 1248 struct snd_ctl_elem_value *ucontrol) 1249 { 1250 struct es1938 *chip = snd_kcontrol_chip(kcontrol); 1251 int left_reg = kcontrol->private_value & 0xff; 1252 int right_reg = (kcontrol->private_value >> 8) & 0xff; 1253 int shift_left = (kcontrol->private_value >> 16) & 0x07; 1254 int shift_right = (kcontrol->private_value >> 19) & 0x07; 1255 int mask = (kcontrol->private_value >> 24) & 0xff; 1256 int invert = (kcontrol->private_value >> 22) & 1; 1257 int change; 1258 unsigned char val1, val2, mask1, mask2; 1259 1260 val1 = ucontrol->value.integer.value[0] & mask; 1261 val2 = ucontrol->value.integer.value[1] & mask; 1262 if (invert) { 1263 val1 = mask - val1; 1264 val2 = mask - val2; 1265 } 1266 val1 <<= shift_left; 1267 val2 <<= shift_right; 1268 mask1 = mask << shift_left; 1269 mask2 = mask << shift_right; 1270 if (left_reg != right_reg) { 1271 change = 0; 1272 if (snd_es1938_reg_bits(chip, left_reg, mask1, val1) != val1) 1273 change = 1; 1274 if (snd_es1938_reg_bits(chip, right_reg, mask2, val2) != val2) 1275 change = 1; 1276 } else { 1277 change = (snd_es1938_reg_bits(chip, left_reg, mask1 | mask2, 1278 val1 | val2) != (val1 | val2)); 1279 } 1280 return change; 1281 } 1282 1283 static const DECLARE_TLV_DB_RANGE(db_scale_master, 1284 0, 54, TLV_DB_SCALE_ITEM(-3600, 50, 1), 1285 54, 63, TLV_DB_SCALE_ITEM(-900, 100, 0), 1286 ); 1287 1288 static const DECLARE_TLV_DB_RANGE(db_scale_audio1, 1289 0, 8, TLV_DB_SCALE_ITEM(-3300, 300, 1), 1290 8, 15, TLV_DB_SCALE_ITEM(-900, 150, 0), 1291 ); 1292 1293 static const DECLARE_TLV_DB_RANGE(db_scale_audio2, 1294 0, 8, TLV_DB_SCALE_ITEM(-3450, 300, 1), 1295 8, 15, TLV_DB_SCALE_ITEM(-1050, 150, 0), 1296 ); 1297 1298 static const DECLARE_TLV_DB_RANGE(db_scale_mic, 1299 0, 8, TLV_DB_SCALE_ITEM(-2400, 300, 1), 1300 8, 15, TLV_DB_SCALE_ITEM(0, 150, 0), 1301 ); 1302 1303 static const DECLARE_TLV_DB_RANGE(db_scale_line, 1304 0, 8, TLV_DB_SCALE_ITEM(-3150, 300, 1), 1305 8, 15, TLV_DB_SCALE_ITEM(-750, 150, 0), 1306 ); 1307 1308 static const DECLARE_TLV_DB_SCALE(db_scale_capture, 0, 150, 0); 1309 1310 static const struct snd_kcontrol_new snd_es1938_controls[] = { 1311 ES1938_DOUBLE_TLV("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0, 1312 db_scale_master), 1313 ES1938_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1), 1314 { 1315 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1316 .name = "Hardware Master Playback Volume", 1317 .access = SNDRV_CTL_ELEM_ACCESS_READ, 1318 .info = snd_es1938_info_hw_volume, 1319 .get = snd_es1938_get_hw_volume, 1320 }, 1321 { 1322 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1323 .access = (SNDRV_CTL_ELEM_ACCESS_READ | 1324 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1325 .name = "Hardware Master Playback Switch", 1326 .info = snd_es1938_info_hw_switch, 1327 .get = snd_es1938_get_hw_switch, 1328 .tlv = { .p = db_scale_master }, 1329 }, 1330 ES1938_SINGLE("Hardware Volume Split", 0, 0x64, 7, 1, 0), 1331 ES1938_DOUBLE_TLV("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0, 1332 db_scale_line), 1333 ES1938_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0), 1334 ES1938_DOUBLE_TLV("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0, 1335 db_scale_mic), 1336 ES1938_DOUBLE_TLV("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0, 1337 db_scale_line), 1338 ES1938_DOUBLE_TLV("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0, 1339 db_scale_mic), 1340 ES1938_DOUBLE_TLV("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0, 1341 db_scale_line), 1342 ES1938_DOUBLE_TLV("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0, 1343 db_scale_capture), 1344 ES1938_SINGLE("Beep Volume", 0, 0x3c, 0, 7, 0), 1345 ES1938_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0), 1346 ES1938_SINGLE("Capture Switch", 0, 0x1c, 4, 1, 1), 1347 { 1348 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1349 .name = "Capture Source", 1350 .info = snd_es1938_info_mux, 1351 .get = snd_es1938_get_mux, 1352 .put = snd_es1938_put_mux, 1353 }, 1354 ES1938_DOUBLE_TLV("Mono Input Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0, 1355 db_scale_line), 1356 ES1938_DOUBLE_TLV("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0, 1357 db_scale_audio2), 1358 ES1938_DOUBLE_TLV("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0, 1359 db_scale_mic), 1360 ES1938_DOUBLE_TLV("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0, 1361 db_scale_line), 1362 ES1938_DOUBLE_TLV("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0, 1363 db_scale_mic), 1364 ES1938_DOUBLE_TLV("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0, 1365 db_scale_line), 1366 ES1938_DOUBLE_TLV("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0, 1367 db_scale_line), 1368 ES1938_DOUBLE_TLV("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0, 1369 db_scale_line), 1370 ES1938_DOUBLE_TLV("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0, 1371 db_scale_audio2), 1372 ES1938_DOUBLE_TLV("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0, 1373 db_scale_audio1), 1374 ES1938_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0), 1375 { 1376 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1377 .name = "3D Control - Switch", 1378 .info = snd_es1938_info_spatializer_enable, 1379 .get = snd_es1938_get_spatializer_enable, 1380 .put = snd_es1938_put_spatializer_enable, 1381 }, 1382 ES1938_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0) 1383 }; 1384 1385 1386 /* ---------------------------------------------------------------------------- */ 1387 /* ---------------------------------------------------------------------------- */ 1388 1389 /* 1390 * initialize the chip - used by resume callback, too 1391 */ 1392 static void snd_es1938_chip_init(struct es1938 *chip) 1393 { 1394 /* reset chip */ 1395 snd_es1938_reset(chip); 1396 1397 /* configure native mode */ 1398 1399 /* enable bus master */ 1400 pci_set_master(chip->pci); 1401 1402 /* disable legacy audio */ 1403 pci_write_config_word(chip->pci, SL_PCI_LEGACYCONTROL, 0x805f); 1404 1405 /* set DDMA base */ 1406 pci_write_config_word(chip->pci, SL_PCI_DDMACONTROL, chip->ddma_port | 1); 1407 1408 /* set DMA/IRQ policy */ 1409 pci_write_config_dword(chip->pci, SL_PCI_CONFIG, 0); 1410 1411 /* enable Audio 1, Audio 2, MPU401 IRQ and HW volume IRQ*/ 1412 outb(0xf0, SLIO_REG(chip, IRQCONTROL)); 1413 1414 /* reset DMA */ 1415 outb(0, SLDM_REG(chip, DMACLEAR)); 1416 } 1417 1418 #ifdef CONFIG_PM_SLEEP 1419 /* 1420 * PM support 1421 */ 1422 1423 static const unsigned char saved_regs[SAVED_REG_SIZE+1] = { 1424 0x14, 0x1a, 0x1c, 0x3a, 0x3c, 0x3e, 0x36, 0x38, 1425 0x50, 0x52, 0x60, 0x61, 0x62, 0x63, 0x64, 0x68, 1426 0x69, 0x6a, 0x6b, 0x6d, 0x6e, 0x6f, 0x7c, 0x7d, 1427 0xa8, 0xb4, 1428 }; 1429 1430 1431 static int es1938_suspend(struct device *dev) 1432 { 1433 struct snd_card *card = dev_get_drvdata(dev); 1434 struct es1938 *chip = card->private_data; 1435 const unsigned char *s; 1436 unsigned char *d; 1437 1438 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1439 1440 /* save mixer-related registers */ 1441 for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) 1442 *d = snd_es1938_reg_read(chip, *s); 1443 1444 outb(0x00, SLIO_REG(chip, IRQCONTROL)); /* disable irqs */ 1445 if (chip->irq >= 0) { 1446 free_irq(chip->irq, chip); 1447 chip->irq = -1; 1448 card->sync_irq = -1; 1449 } 1450 return 0; 1451 } 1452 1453 static int es1938_resume(struct device *dev) 1454 { 1455 struct pci_dev *pci = to_pci_dev(dev); 1456 struct snd_card *card = dev_get_drvdata(dev); 1457 struct es1938 *chip = card->private_data; 1458 const unsigned char *s; 1459 unsigned char *d; 1460 1461 if (request_irq(pci->irq, snd_es1938_interrupt, 1462 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1463 dev_err(dev, "unable to grab IRQ %d, disabling device\n", 1464 pci->irq); 1465 snd_card_disconnect(card); 1466 return -EIO; 1467 } 1468 chip->irq = pci->irq; 1469 card->sync_irq = chip->irq; 1470 snd_es1938_chip_init(chip); 1471 1472 /* restore mixer-related registers */ 1473 for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) { 1474 if (*s < 0xa0) 1475 snd_es1938_mixer_write(chip, *s, *d); 1476 else 1477 snd_es1938_write(chip, *s, *d); 1478 } 1479 1480 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1481 return 0; 1482 } 1483 1484 static SIMPLE_DEV_PM_OPS(es1938_pm, es1938_suspend, es1938_resume); 1485 #define ES1938_PM_OPS &es1938_pm 1486 #else 1487 #define ES1938_PM_OPS NULL 1488 #endif /* CONFIG_PM_SLEEP */ 1489 1490 #ifdef SUPPORT_JOYSTICK 1491 static int snd_es1938_create_gameport(struct es1938 *chip) 1492 { 1493 struct gameport *gp; 1494 1495 chip->gameport = gp = gameport_allocate_port(); 1496 if (!gp) { 1497 dev_err(chip->card->dev, 1498 "cannot allocate memory for gameport\n"); 1499 return -ENOMEM; 1500 } 1501 1502 gameport_set_name(gp, "ES1938"); 1503 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1504 gameport_set_dev_parent(gp, &chip->pci->dev); 1505 gp->io = chip->game_port; 1506 1507 gameport_register_port(gp); 1508 1509 return 0; 1510 } 1511 1512 static void snd_es1938_free_gameport(struct es1938 *chip) 1513 { 1514 if (chip->gameport) { 1515 gameport_unregister_port(chip->gameport); 1516 chip->gameport = NULL; 1517 } 1518 } 1519 #else 1520 static inline int snd_es1938_create_gameport(struct es1938 *chip) { return -ENOSYS; } 1521 static inline void snd_es1938_free_gameport(struct es1938 *chip) { } 1522 #endif /* SUPPORT_JOYSTICK */ 1523 1524 static int snd_es1938_free(struct es1938 *chip) 1525 { 1526 /* disable irqs */ 1527 outb(0x00, SLIO_REG(chip, IRQCONTROL)); 1528 if (chip->rmidi) 1529 snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0); 1530 1531 snd_es1938_free_gameport(chip); 1532 1533 if (chip->irq >= 0) 1534 free_irq(chip->irq, chip); 1535 pci_release_regions(chip->pci); 1536 pci_disable_device(chip->pci); 1537 kfree(chip); 1538 return 0; 1539 } 1540 1541 static int snd_es1938_dev_free(struct snd_device *device) 1542 { 1543 struct es1938 *chip = device->device_data; 1544 return snd_es1938_free(chip); 1545 } 1546 1547 static int snd_es1938_create(struct snd_card *card, 1548 struct pci_dev *pci, 1549 struct es1938 **rchip) 1550 { 1551 struct es1938 *chip; 1552 int err; 1553 static const struct snd_device_ops ops = { 1554 .dev_free = snd_es1938_dev_free, 1555 }; 1556 1557 *rchip = NULL; 1558 1559 /* enable PCI device */ 1560 err = pci_enable_device(pci); 1561 if (err < 0) 1562 return err; 1563 /* check, if we can restrict PCI DMA transfers to 24 bits */ 1564 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(24))) { 1565 dev_err(card->dev, 1566 "architecture does not support 24bit PCI busmaster DMA\n"); 1567 pci_disable_device(pci); 1568 return -ENXIO; 1569 } 1570 1571 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1572 if (chip == NULL) { 1573 pci_disable_device(pci); 1574 return -ENOMEM; 1575 } 1576 spin_lock_init(&chip->reg_lock); 1577 spin_lock_init(&chip->mixer_lock); 1578 chip->card = card; 1579 chip->pci = pci; 1580 chip->irq = -1; 1581 err = pci_request_regions(pci, "ESS Solo-1"); 1582 if (err < 0) { 1583 kfree(chip); 1584 pci_disable_device(pci); 1585 return err; 1586 } 1587 chip->io_port = pci_resource_start(pci, 0); 1588 chip->sb_port = pci_resource_start(pci, 1); 1589 chip->vc_port = pci_resource_start(pci, 2); 1590 chip->mpu_port = pci_resource_start(pci, 3); 1591 chip->game_port = pci_resource_start(pci, 4); 1592 if (request_irq(pci->irq, snd_es1938_interrupt, IRQF_SHARED, 1593 KBUILD_MODNAME, chip)) { 1594 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1595 snd_es1938_free(chip); 1596 return -EBUSY; 1597 } 1598 chip->irq = pci->irq; 1599 card->sync_irq = chip->irq; 1600 dev_dbg(card->dev, 1601 "create: io: 0x%lx, sb: 0x%lx, vc: 0x%lx, mpu: 0x%lx, game: 0x%lx\n", 1602 chip->io_port, chip->sb_port, chip->vc_port, chip->mpu_port, chip->game_port); 1603 1604 chip->ddma_port = chip->vc_port + 0x00; /* fix from Thomas Sailer */ 1605 1606 snd_es1938_chip_init(chip); 1607 1608 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 1609 if (err < 0) { 1610 snd_es1938_free(chip); 1611 return err; 1612 } 1613 1614 *rchip = chip; 1615 return 0; 1616 } 1617 1618 /* -------------------------------------------------------------------- 1619 * Interrupt handler 1620 * -------------------------------------------------------------------- */ 1621 static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id) 1622 { 1623 struct es1938 *chip = dev_id; 1624 unsigned char status; 1625 __always_unused unsigned char audiostatus; 1626 int handled = 0; 1627 1628 status = inb(SLIO_REG(chip, IRQCONTROL)); 1629 #if 0 1630 dev_dbg(chip->card->dev, 1631 "Es1938debug - interrupt status: =0x%x\n", status); 1632 #endif 1633 1634 /* AUDIO 1 */ 1635 if (status & 0x10) { 1636 #if 0 1637 dev_dbg(chip->card->dev, 1638 "Es1938debug - AUDIO channel 1 interrupt\n"); 1639 dev_dbg(chip->card->dev, 1640 "Es1938debug - AUDIO channel 1 DMAC DMA count: %u\n", 1641 inw(SLDM_REG(chip, DMACOUNT))); 1642 dev_dbg(chip->card->dev, 1643 "Es1938debug - AUDIO channel 1 DMAC DMA base: %u\n", 1644 inl(SLDM_REG(chip, DMAADDR))); 1645 dev_dbg(chip->card->dev, 1646 "Es1938debug - AUDIO channel 1 DMAC DMA status: 0x%x\n", 1647 inl(SLDM_REG(chip, DMASTATUS))); 1648 #endif 1649 /* clear irq */ 1650 handled = 1; 1651 audiostatus = inb(SLSB_REG(chip, STATUS)); 1652 if (chip->active & ADC1) 1653 snd_pcm_period_elapsed(chip->capture_substream); 1654 else if (chip->active & DAC1) 1655 snd_pcm_period_elapsed(chip->playback2_substream); 1656 } 1657 1658 /* AUDIO 2 */ 1659 if (status & 0x20) { 1660 #if 0 1661 dev_dbg(chip->card->dev, 1662 "Es1938debug - AUDIO channel 2 interrupt\n"); 1663 dev_dbg(chip->card->dev, 1664 "Es1938debug - AUDIO channel 2 DMAC DMA count: %u\n", 1665 inw(SLIO_REG(chip, AUDIO2DMACOUNT))); 1666 dev_dbg(chip->card->dev, 1667 "Es1938debug - AUDIO channel 2 DMAC DMA base: %u\n", 1668 inl(SLIO_REG(chip, AUDIO2DMAADDR))); 1669 1670 #endif 1671 /* clear irq */ 1672 handled = 1; 1673 snd_es1938_mixer_bits(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x80, 0); 1674 if (chip->active & DAC2) 1675 snd_pcm_period_elapsed(chip->playback1_substream); 1676 } 1677 1678 /* Hardware volume */ 1679 if (status & 0x40) { 1680 int split = snd_es1938_mixer_read(chip, 0x64) & 0x80; 1681 handled = 1; 1682 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_switch->id); 1683 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_volume->id); 1684 if (!split) { 1685 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1686 &chip->master_switch->id); 1687 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 1688 &chip->master_volume->id); 1689 } 1690 /* ack interrupt */ 1691 snd_es1938_mixer_write(chip, 0x66, 0x00); 1692 } 1693 1694 /* MPU401 */ 1695 if (status & 0x80) { 1696 // the following line is evil! It switches off MIDI interrupt handling after the first interrupt received. 1697 // replacing the last 0 by 0x40 works for ESS-Solo1, but just doing nothing works as well! 1698 // andreas@flying-snail.de 1699 // snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0); /* ack? */ 1700 if (chip->rmidi) { 1701 handled = 1; 1702 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 1703 } 1704 } 1705 return IRQ_RETVAL(handled); 1706 } 1707 1708 #define ES1938_DMA_SIZE 64 1709 1710 static int snd_es1938_mixer(struct es1938 *chip) 1711 { 1712 struct snd_card *card; 1713 unsigned int idx; 1714 int err; 1715 1716 card = chip->card; 1717 1718 strcpy(card->mixername, "ESS Solo-1"); 1719 1720 for (idx = 0; idx < ARRAY_SIZE(snd_es1938_controls); idx++) { 1721 struct snd_kcontrol *kctl; 1722 kctl = snd_ctl_new1(&snd_es1938_controls[idx], chip); 1723 switch (idx) { 1724 case 0: 1725 chip->master_volume = kctl; 1726 kctl->private_free = snd_es1938_hwv_free; 1727 break; 1728 case 1: 1729 chip->master_switch = kctl; 1730 kctl->private_free = snd_es1938_hwv_free; 1731 break; 1732 case 2: 1733 chip->hw_volume = kctl; 1734 kctl->private_free = snd_es1938_hwv_free; 1735 break; 1736 case 3: 1737 chip->hw_switch = kctl; 1738 kctl->private_free = snd_es1938_hwv_free; 1739 break; 1740 } 1741 err = snd_ctl_add(card, kctl); 1742 if (err < 0) 1743 return err; 1744 } 1745 return 0; 1746 } 1747 1748 1749 static int snd_es1938_probe(struct pci_dev *pci, 1750 const struct pci_device_id *pci_id) 1751 { 1752 static int dev; 1753 struct snd_card *card; 1754 struct es1938 *chip; 1755 struct snd_opl3 *opl3; 1756 int idx, err; 1757 1758 if (dev >= SNDRV_CARDS) 1759 return -ENODEV; 1760 if (!enable[dev]) { 1761 dev++; 1762 return -ENOENT; 1763 } 1764 1765 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1766 0, &card); 1767 if (err < 0) 1768 return err; 1769 for (idx = 0; idx < 5; idx++) { 1770 if (pci_resource_start(pci, idx) == 0 || 1771 !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) { 1772 snd_card_free(card); 1773 return -ENODEV; 1774 } 1775 } 1776 err = snd_es1938_create(card, pci, &chip); 1777 if (err < 0) { 1778 snd_card_free(card); 1779 return err; 1780 } 1781 card->private_data = chip; 1782 1783 strcpy(card->driver, "ES1938"); 1784 strcpy(card->shortname, "ESS ES1938 (Solo-1)"); 1785 sprintf(card->longname, "%s rev %i, irq %i", 1786 card->shortname, 1787 chip->revision, 1788 chip->irq); 1789 1790 err = snd_es1938_new_pcm(chip, 0); 1791 if (err < 0) { 1792 snd_card_free(card); 1793 return err; 1794 } 1795 err = snd_es1938_mixer(chip); 1796 if (err < 0) { 1797 snd_card_free(card); 1798 return err; 1799 } 1800 if (snd_opl3_create(card, 1801 SLSB_REG(chip, FMLOWADDR), 1802 SLSB_REG(chip, FMHIGHADDR), 1803 OPL3_HW_OPL3, 1, &opl3) < 0) { 1804 dev_err(card->dev, "OPL3 not detected at 0x%lx\n", 1805 SLSB_REG(chip, FMLOWADDR)); 1806 } else { 1807 err = snd_opl3_timer_new(opl3, 0, 1); 1808 if (err < 0) { 1809 snd_card_free(card); 1810 return err; 1811 } 1812 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 1813 if (err < 0) { 1814 snd_card_free(card); 1815 return err; 1816 } 1817 } 1818 if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, 1819 chip->mpu_port, 1820 MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK, 1821 -1, &chip->rmidi) < 0) { 1822 dev_err(card->dev, "unable to initialize MPU-401\n"); 1823 } else { 1824 // this line is vital for MIDI interrupt handling on ess-solo1 1825 // andreas@flying-snail.de 1826 snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0x40); 1827 } 1828 1829 snd_es1938_create_gameport(chip); 1830 1831 err = snd_card_register(card); 1832 if (err < 0) { 1833 snd_card_free(card); 1834 return err; 1835 } 1836 1837 pci_set_drvdata(pci, card); 1838 dev++; 1839 return 0; 1840 } 1841 1842 static void snd_es1938_remove(struct pci_dev *pci) 1843 { 1844 snd_card_free(pci_get_drvdata(pci)); 1845 } 1846 1847 static struct pci_driver es1938_driver = { 1848 .name = KBUILD_MODNAME, 1849 .id_table = snd_es1938_ids, 1850 .probe = snd_es1938_probe, 1851 .remove = snd_es1938_remove, 1852 .driver = { 1853 .pm = ES1938_PM_OPS, 1854 }, 1855 }; 1856 1857 module_pci_driver(es1938_driver); 1858