1 /* 2 * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> 3 * Driver EMU10K1X chips 4 * 5 * Parts of this code were adapted from audigyls.c driver which is 6 * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk> 7 * 8 * BUGS: 9 * -- 10 * 11 * TODO: 12 * 13 * Chips (SB0200 model): 14 * - EMU10K1X-DBQ 15 * - STAC 9708T 16 * 17 * This program is free software; you can redistribute it and/or modify 18 * it under the terms of the GNU General Public License as published by 19 * the Free Software Foundation; either version 2 of the License, or 20 * (at your option) any later version. 21 * 22 * This program is distributed in the hope that it will be useful, 23 * but WITHOUT ANY WARRANTY; without even the implied warranty of 24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 25 * GNU General Public License for more details. 26 * 27 * You should have received a copy of the GNU General Public License 28 * along with this program; if not, write to the Free Software 29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 30 * 31 */ 32 #include <linux/init.h> 33 #include <linux/interrupt.h> 34 #include <linux/pci.h> 35 #include <linux/dma-mapping.h> 36 #include <linux/slab.h> 37 #include <linux/module.h> 38 #include <sound/core.h> 39 #include <sound/initval.h> 40 #include <sound/pcm.h> 41 #include <sound/ac97_codec.h> 42 #include <sound/info.h> 43 #include <sound/rawmidi.h> 44 45 MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>"); 46 MODULE_DESCRIPTION("EMU10K1X"); 47 MODULE_LICENSE("GPL"); 48 MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}"); 49 50 // module parameters (see "Module Parameters") 51 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 52 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 53 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 54 55 module_param_array(index, int, NULL, 0444); 56 MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard."); 57 module_param_array(id, charp, NULL, 0444); 58 MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard."); 59 module_param_array(enable, bool, NULL, 0444); 60 MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard."); 61 62 63 // some definitions were borrowed from emu10k1 driver as they seem to be the same 64 /************************************************************************************************/ 65 /* PCI function 0 registers, address = <val> + PCIBASE0 */ 66 /************************************************************************************************/ 67 68 #define PTR 0x00 /* Indexed register set pointer register */ 69 /* NOTE: The CHANNELNUM and ADDRESS words can */ 70 /* be modified independently of each other. */ 71 72 #define DATA 0x04 /* Indexed register set data register */ 73 74 #define IPR 0x08 /* Global interrupt pending register */ 75 /* Clear pending interrupts by writing a 1 to */ 76 /* the relevant bits and zero to the other bits */ 77 #define IPR_MIDITRANSBUFEMPTY 0x00000001 /* MIDI UART transmit buffer empty */ 78 #define IPR_MIDIRECVBUFEMPTY 0x00000002 /* MIDI UART receive buffer empty */ 79 #define IPR_CH_0_LOOP 0x00000800 /* Channel 0 loop */ 80 #define IPR_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ 81 #define IPR_CAP_0_LOOP 0x00080000 /* Channel capture loop */ 82 #define IPR_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ 83 84 #define INTE 0x0c /* Interrupt enable register */ 85 #define INTE_MIDITXENABLE 0x00000001 /* Enable MIDI transmit-buffer-empty interrupts */ 86 #define INTE_MIDIRXENABLE 0x00000002 /* Enable MIDI receive-buffer-empty interrupts */ 87 #define INTE_CH_0_LOOP 0x00000800 /* Channel 0 loop */ 88 #define INTE_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ 89 #define INTE_CAP_0_LOOP 0x00080000 /* Channel capture loop */ 90 #define INTE_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ 91 92 #define HCFG 0x14 /* Hardware config register */ 93 94 #define HCFG_LOCKSOUNDCACHE 0x00000008 /* 1 = Cancel bustmaster accesses to soundcache */ 95 /* NOTE: This should generally never be used. */ 96 #define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */ 97 /* Should be set to 1 when the EMU10K1 is */ 98 /* completely initialized. */ 99 #define GPIO 0x18 /* Defaults: 00001080-Analog, 00001000-SPDIF. */ 100 101 102 #define AC97DATA 0x1c /* AC97 register set data register (16 bit) */ 103 104 #define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */ 105 106 /********************************************************************************************************/ 107 /* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */ 108 /********************************************************************************************************/ 109 #define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */ 110 /* One list entry: 4 bytes for DMA address, 111 * 4 bytes for period_size << 16. 112 * One list entry is 8 bytes long. 113 * One list entry for each period in the buffer. 114 */ 115 #define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */ 116 #define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */ 117 #define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */ 118 #define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size */ 119 #define PLAYBACK_POINTER 0x06 /* Playback period pointer. Sample currently in DAC */ 120 #define PLAYBACK_UNKNOWN1 0x07 121 #define PLAYBACK_UNKNOWN2 0x08 122 123 /* Only one capture channel supported */ 124 #define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */ 125 #define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */ 126 #define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */ 127 #define CAPTURE_UNKNOWN 0x13 128 129 /* From 0x20 - 0x3f, last samples played on each channel */ 130 131 #define TRIGGER_CHANNEL 0x40 /* Trigger channel playback */ 132 #define TRIGGER_CHANNEL_0 0x00000001 /* Trigger channel 0 */ 133 #define TRIGGER_CHANNEL_1 0x00000002 /* Trigger channel 1 */ 134 #define TRIGGER_CHANNEL_2 0x00000004 /* Trigger channel 2 */ 135 #define TRIGGER_CAPTURE 0x00000100 /* Trigger capture channel */ 136 137 #define ROUTING 0x41 /* Setup sound routing ? */ 138 #define ROUTING_FRONT_LEFT 0x00000001 139 #define ROUTING_FRONT_RIGHT 0x00000002 140 #define ROUTING_REAR_LEFT 0x00000004 141 #define ROUTING_REAR_RIGHT 0x00000008 142 #define ROUTING_CENTER_LFE 0x00010000 143 144 #define SPCS0 0x42 /* SPDIF output Channel Status 0 register */ 145 146 #define SPCS1 0x43 /* SPDIF output Channel Status 1 register */ 147 148 #define SPCS2 0x44 /* SPDIF output Channel Status 2 register */ 149 150 #define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */ 151 #define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */ 152 #define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */ 153 #define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */ 154 #define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */ 155 #define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */ 156 #define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */ 157 #define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */ 158 #define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */ 159 #define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */ 160 #define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */ 161 #define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */ 162 #define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */ 163 #define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */ 164 #define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */ 165 #define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */ 166 #define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */ 167 #define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */ 168 #define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */ 169 #define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */ 170 #define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */ 171 #define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */ 172 #define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */ 173 174 #define SPDIF_SELECT 0x45 /* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */ 175 176 /* This is the MPU port on the card */ 177 #define MUDATA 0x47 178 #define MUCMD 0x48 179 #define MUSTAT MUCMD 180 181 /* From 0x50 - 0x5f, last samples captured */ 182 183 /* 184 * The hardware has 3 channels for playback and 1 for capture. 185 * - channel 0 is the front channel 186 * - channel 1 is the rear channel 187 * - channel 2 is the center/lfe channel 188 * Volume is controlled by the AC97 for the front and rear channels by 189 * the PCM Playback Volume, Sigmatel Surround Playback Volume and 190 * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects 191 * the front/rear channel mixing in the REAR OUT jack. When using the 192 * 4-Speaker Stereo, both front and rear channels will be mixed in the 193 * REAR OUT. 194 * The center/lfe channel has no volume control and cannot be muted during 195 * playback. 196 */ 197 198 struct emu10k1x_voice { 199 struct emu10k1x *emu; 200 int number; 201 int use; 202 203 struct emu10k1x_pcm *epcm; 204 }; 205 206 struct emu10k1x_pcm { 207 struct emu10k1x *emu; 208 struct snd_pcm_substream *substream; 209 struct emu10k1x_voice *voice; 210 unsigned short running; 211 }; 212 213 struct emu10k1x_midi { 214 struct emu10k1x *emu; 215 struct snd_rawmidi *rmidi; 216 struct snd_rawmidi_substream *substream_input; 217 struct snd_rawmidi_substream *substream_output; 218 unsigned int midi_mode; 219 spinlock_t input_lock; 220 spinlock_t output_lock; 221 spinlock_t open_lock; 222 int tx_enable, rx_enable; 223 int port; 224 int ipr_tx, ipr_rx; 225 void (*interrupt)(struct emu10k1x *emu, unsigned int status); 226 }; 227 228 // definition of the chip-specific record 229 struct emu10k1x { 230 struct snd_card *card; 231 struct pci_dev *pci; 232 233 unsigned long port; 234 struct resource *res_port; 235 int irq; 236 237 unsigned char revision; /* chip revision */ 238 unsigned int serial; /* serial number */ 239 unsigned short model; /* subsystem id */ 240 241 spinlock_t emu_lock; 242 spinlock_t voice_lock; 243 244 struct snd_ac97 *ac97; 245 struct snd_pcm *pcm; 246 247 struct emu10k1x_voice voices[3]; 248 struct emu10k1x_voice capture_voice; 249 u32 spdif_bits[3]; // SPDIF out setup 250 251 struct snd_dma_buffer dma_buffer; 252 253 struct emu10k1x_midi midi; 254 }; 255 256 /* hardware definition */ 257 static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = { 258 .info = (SNDRV_PCM_INFO_MMAP | 259 SNDRV_PCM_INFO_INTERLEAVED | 260 SNDRV_PCM_INFO_BLOCK_TRANSFER | 261 SNDRV_PCM_INFO_MMAP_VALID), 262 .formats = SNDRV_PCM_FMTBIT_S16_LE, 263 .rates = SNDRV_PCM_RATE_48000, 264 .rate_min = 48000, 265 .rate_max = 48000, 266 .channels_min = 2, 267 .channels_max = 2, 268 .buffer_bytes_max = (32*1024), 269 .period_bytes_min = 64, 270 .period_bytes_max = (16*1024), 271 .periods_min = 2, 272 .periods_max = 8, 273 .fifo_size = 0, 274 }; 275 276 static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = { 277 .info = (SNDRV_PCM_INFO_MMAP | 278 SNDRV_PCM_INFO_INTERLEAVED | 279 SNDRV_PCM_INFO_BLOCK_TRANSFER | 280 SNDRV_PCM_INFO_MMAP_VALID), 281 .formats = SNDRV_PCM_FMTBIT_S16_LE, 282 .rates = SNDRV_PCM_RATE_48000, 283 .rate_min = 48000, 284 .rate_max = 48000, 285 .channels_min = 2, 286 .channels_max = 2, 287 .buffer_bytes_max = (32*1024), 288 .period_bytes_min = 64, 289 .period_bytes_max = (16*1024), 290 .periods_min = 2, 291 .periods_max = 2, 292 .fifo_size = 0, 293 }; 294 295 static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu, 296 unsigned int reg, 297 unsigned int chn) 298 { 299 unsigned long flags; 300 unsigned int regptr, val; 301 302 regptr = (reg << 16) | chn; 303 304 spin_lock_irqsave(&emu->emu_lock, flags); 305 outl(regptr, emu->port + PTR); 306 val = inl(emu->port + DATA); 307 spin_unlock_irqrestore(&emu->emu_lock, flags); 308 return val; 309 } 310 311 static void snd_emu10k1x_ptr_write(struct emu10k1x *emu, 312 unsigned int reg, 313 unsigned int chn, 314 unsigned int data) 315 { 316 unsigned int regptr; 317 unsigned long flags; 318 319 regptr = (reg << 16) | chn; 320 321 spin_lock_irqsave(&emu->emu_lock, flags); 322 outl(regptr, emu->port + PTR); 323 outl(data, emu->port + DATA); 324 spin_unlock_irqrestore(&emu->emu_lock, flags); 325 } 326 327 static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb) 328 { 329 unsigned long flags; 330 unsigned int intr_enable; 331 332 spin_lock_irqsave(&emu->emu_lock, flags); 333 intr_enable = inl(emu->port + INTE) | intrenb; 334 outl(intr_enable, emu->port + INTE); 335 spin_unlock_irqrestore(&emu->emu_lock, flags); 336 } 337 338 static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb) 339 { 340 unsigned long flags; 341 unsigned int intr_enable; 342 343 spin_lock_irqsave(&emu->emu_lock, flags); 344 intr_enable = inl(emu->port + INTE) & ~intrenb; 345 outl(intr_enable, emu->port + INTE); 346 spin_unlock_irqrestore(&emu->emu_lock, flags); 347 } 348 349 static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value) 350 { 351 unsigned long flags; 352 353 spin_lock_irqsave(&emu->emu_lock, flags); 354 outl(value, emu->port + GPIO); 355 spin_unlock_irqrestore(&emu->emu_lock, flags); 356 } 357 358 static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime) 359 { 360 kfree(runtime->private_data); 361 } 362 363 static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice) 364 { 365 struct emu10k1x_pcm *epcm; 366 367 if ((epcm = voice->epcm) == NULL) 368 return; 369 if (epcm->substream == NULL) 370 return; 371 #if 0 372 dev_info(emu->card->dev, 373 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 374 epcm->substream->ops->pointer(epcm->substream), 375 snd_pcm_lib_period_bytes(epcm->substream), 376 snd_pcm_lib_buffer_bytes(epcm->substream)); 377 #endif 378 snd_pcm_period_elapsed(epcm->substream); 379 } 380 381 /* open callback */ 382 static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream) 383 { 384 struct emu10k1x *chip = snd_pcm_substream_chip(substream); 385 struct emu10k1x_pcm *epcm; 386 struct snd_pcm_runtime *runtime = substream->runtime; 387 int err; 388 389 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 390 return err; 391 } 392 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 393 return err; 394 395 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 396 if (epcm == NULL) 397 return -ENOMEM; 398 epcm->emu = chip; 399 epcm->substream = substream; 400 401 runtime->private_data = epcm; 402 runtime->private_free = snd_emu10k1x_pcm_free_substream; 403 404 runtime->hw = snd_emu10k1x_playback_hw; 405 406 return 0; 407 } 408 409 /* close callback */ 410 static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream) 411 { 412 return 0; 413 } 414 415 /* hw_params callback */ 416 static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream, 417 struct snd_pcm_hw_params *hw_params) 418 { 419 struct snd_pcm_runtime *runtime = substream->runtime; 420 struct emu10k1x_pcm *epcm = runtime->private_data; 421 422 if (! epcm->voice) { 423 epcm->voice = &epcm->emu->voices[substream->pcm->device]; 424 epcm->voice->use = 1; 425 epcm->voice->epcm = epcm; 426 } 427 428 return snd_pcm_lib_malloc_pages(substream, 429 params_buffer_bytes(hw_params)); 430 } 431 432 /* hw_free callback */ 433 static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream) 434 { 435 struct snd_pcm_runtime *runtime = substream->runtime; 436 struct emu10k1x_pcm *epcm; 437 438 if (runtime->private_data == NULL) 439 return 0; 440 441 epcm = runtime->private_data; 442 443 if (epcm->voice) { 444 epcm->voice->use = 0; 445 epcm->voice->epcm = NULL; 446 epcm->voice = NULL; 447 } 448 449 return snd_pcm_lib_free_pages(substream); 450 } 451 452 /* prepare callback */ 453 static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream) 454 { 455 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 456 struct snd_pcm_runtime *runtime = substream->runtime; 457 struct emu10k1x_pcm *epcm = runtime->private_data; 458 int voice = epcm->voice->number; 459 u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice); 460 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size); 461 int i; 462 463 for(i = 0; i < runtime->periods; i++) { 464 *table_base++=runtime->dma_addr+(i*period_size_bytes); 465 *table_base++=period_size_bytes<<16; 466 } 467 468 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice); 469 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19); 470 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0); 471 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0); 472 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0); 473 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0); 474 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr); 475 476 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16); 477 478 return 0; 479 } 480 481 /* trigger callback */ 482 static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream, 483 int cmd) 484 { 485 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 486 struct snd_pcm_runtime *runtime = substream->runtime; 487 struct emu10k1x_pcm *epcm = runtime->private_data; 488 int channel = epcm->voice->number; 489 int result = 0; 490 491 /* 492 dev_dbg(emu->card->dev, 493 "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", 494 (int)emu, cmd, (int)substream->ops->pointer(substream)); 495 */ 496 497 switch (cmd) { 498 case SNDRV_PCM_TRIGGER_START: 499 if(runtime->periods == 2) 500 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 501 else 502 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); 503 epcm->running = 1; 504 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel)); 505 break; 506 case SNDRV_PCM_TRIGGER_STOP: 507 epcm->running = 0; 508 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 509 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel)); 510 break; 511 default: 512 result = -EINVAL; 513 break; 514 } 515 return result; 516 } 517 518 /* pointer callback */ 519 static snd_pcm_uframes_t 520 snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream) 521 { 522 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 523 struct snd_pcm_runtime *runtime = substream->runtime; 524 struct emu10k1x_pcm *epcm = runtime->private_data; 525 int channel = epcm->voice->number; 526 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0; 527 528 if (!epcm->running) 529 return 0; 530 531 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 532 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 533 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 534 535 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size)) 536 return 0; 537 538 if (ptr3 != ptr4) 539 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 540 ptr2 = bytes_to_frames(runtime, ptr1); 541 ptr2 += (ptr4 >> 3) * runtime->period_size; 542 ptr = ptr2; 543 544 if (ptr >= runtime->buffer_size) 545 ptr -= runtime->buffer_size; 546 547 return ptr; 548 } 549 550 /* operators */ 551 static const struct snd_pcm_ops snd_emu10k1x_playback_ops = { 552 .open = snd_emu10k1x_playback_open, 553 .close = snd_emu10k1x_playback_close, 554 .ioctl = snd_pcm_lib_ioctl, 555 .hw_params = snd_emu10k1x_pcm_hw_params, 556 .hw_free = snd_emu10k1x_pcm_hw_free, 557 .prepare = snd_emu10k1x_pcm_prepare, 558 .trigger = snd_emu10k1x_pcm_trigger, 559 .pointer = snd_emu10k1x_pcm_pointer, 560 }; 561 562 /* open_capture callback */ 563 static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream) 564 { 565 struct emu10k1x *chip = snd_pcm_substream_chip(substream); 566 struct emu10k1x_pcm *epcm; 567 struct snd_pcm_runtime *runtime = substream->runtime; 568 int err; 569 570 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 571 return err; 572 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 573 return err; 574 575 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 576 if (epcm == NULL) 577 return -ENOMEM; 578 579 epcm->emu = chip; 580 epcm->substream = substream; 581 582 runtime->private_data = epcm; 583 runtime->private_free = snd_emu10k1x_pcm_free_substream; 584 585 runtime->hw = snd_emu10k1x_capture_hw; 586 587 return 0; 588 } 589 590 /* close callback */ 591 static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream) 592 { 593 return 0; 594 } 595 596 /* hw_params callback */ 597 static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream, 598 struct snd_pcm_hw_params *hw_params) 599 { 600 struct snd_pcm_runtime *runtime = substream->runtime; 601 struct emu10k1x_pcm *epcm = runtime->private_data; 602 603 if (! epcm->voice) { 604 if (epcm->emu->capture_voice.use) 605 return -EBUSY; 606 epcm->voice = &epcm->emu->capture_voice; 607 epcm->voice->epcm = epcm; 608 epcm->voice->use = 1; 609 } 610 611 return snd_pcm_lib_malloc_pages(substream, 612 params_buffer_bytes(hw_params)); 613 } 614 615 /* hw_free callback */ 616 static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream) 617 { 618 struct snd_pcm_runtime *runtime = substream->runtime; 619 620 struct emu10k1x_pcm *epcm; 621 622 if (runtime->private_data == NULL) 623 return 0; 624 epcm = runtime->private_data; 625 626 if (epcm->voice) { 627 epcm->voice->use = 0; 628 epcm->voice->epcm = NULL; 629 epcm->voice = NULL; 630 } 631 632 return snd_pcm_lib_free_pages(substream); 633 } 634 635 /* prepare capture callback */ 636 static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream) 637 { 638 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 639 struct snd_pcm_runtime *runtime = substream->runtime; 640 641 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr); 642 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes 643 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0); 644 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0); 645 646 return 0; 647 } 648 649 /* trigger_capture callback */ 650 static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream, 651 int cmd) 652 { 653 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 654 struct snd_pcm_runtime *runtime = substream->runtime; 655 struct emu10k1x_pcm *epcm = runtime->private_data; 656 int result = 0; 657 658 switch (cmd) { 659 case SNDRV_PCM_TRIGGER_START: 660 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP | 661 INTE_CAP_0_HALF_LOOP); 662 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE); 663 epcm->running = 1; 664 break; 665 case SNDRV_PCM_TRIGGER_STOP: 666 epcm->running = 0; 667 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP | 668 INTE_CAP_0_HALF_LOOP); 669 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE)); 670 break; 671 default: 672 result = -EINVAL; 673 break; 674 } 675 return result; 676 } 677 678 /* pointer_capture callback */ 679 static snd_pcm_uframes_t 680 snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream) 681 { 682 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 683 struct snd_pcm_runtime *runtime = substream->runtime; 684 struct emu10k1x_pcm *epcm = runtime->private_data; 685 snd_pcm_uframes_t ptr; 686 687 if (!epcm->running) 688 return 0; 689 690 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0)); 691 if (ptr >= runtime->buffer_size) 692 ptr -= runtime->buffer_size; 693 694 return ptr; 695 } 696 697 static const struct snd_pcm_ops snd_emu10k1x_capture_ops = { 698 .open = snd_emu10k1x_pcm_open_capture, 699 .close = snd_emu10k1x_pcm_close_capture, 700 .ioctl = snd_pcm_lib_ioctl, 701 .hw_params = snd_emu10k1x_pcm_hw_params_capture, 702 .hw_free = snd_emu10k1x_pcm_hw_free_capture, 703 .prepare = snd_emu10k1x_pcm_prepare_capture, 704 .trigger = snd_emu10k1x_pcm_trigger_capture, 705 .pointer = snd_emu10k1x_pcm_pointer_capture, 706 }; 707 708 static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97, 709 unsigned short reg) 710 { 711 struct emu10k1x *emu = ac97->private_data; 712 unsigned long flags; 713 unsigned short val; 714 715 spin_lock_irqsave(&emu->emu_lock, flags); 716 outb(reg, emu->port + AC97ADDRESS); 717 val = inw(emu->port + AC97DATA); 718 spin_unlock_irqrestore(&emu->emu_lock, flags); 719 return val; 720 } 721 722 static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97, 723 unsigned short reg, unsigned short val) 724 { 725 struct emu10k1x *emu = ac97->private_data; 726 unsigned long flags; 727 728 spin_lock_irqsave(&emu->emu_lock, flags); 729 outb(reg, emu->port + AC97ADDRESS); 730 outw(val, emu->port + AC97DATA); 731 spin_unlock_irqrestore(&emu->emu_lock, flags); 732 } 733 734 static int snd_emu10k1x_ac97(struct emu10k1x *chip) 735 { 736 struct snd_ac97_bus *pbus; 737 struct snd_ac97_template ac97; 738 int err; 739 static struct snd_ac97_bus_ops ops = { 740 .write = snd_emu10k1x_ac97_write, 741 .read = snd_emu10k1x_ac97_read, 742 }; 743 744 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0) 745 return err; 746 pbus->no_vra = 1; /* we don't need VRA */ 747 748 memset(&ac97, 0, sizeof(ac97)); 749 ac97.private_data = chip; 750 ac97.scaps = AC97_SCAP_NO_SPDIF; 751 return snd_ac97_mixer(pbus, &ac97, &chip->ac97); 752 } 753 754 static int snd_emu10k1x_free(struct emu10k1x *chip) 755 { 756 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0); 757 // disable interrupts 758 outl(0, chip->port + INTE); 759 // disable audio 760 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); 761 762 /* release the irq */ 763 if (chip->irq >= 0) 764 free_irq(chip->irq, chip); 765 766 // release the i/o port 767 release_and_free_resource(chip->res_port); 768 769 // release the DMA 770 if (chip->dma_buffer.area) { 771 snd_dma_free_pages(&chip->dma_buffer); 772 } 773 774 pci_disable_device(chip->pci); 775 776 // release the data 777 kfree(chip); 778 return 0; 779 } 780 781 static int snd_emu10k1x_dev_free(struct snd_device *device) 782 { 783 struct emu10k1x *chip = device->device_data; 784 return snd_emu10k1x_free(chip); 785 } 786 787 static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id) 788 { 789 unsigned int status; 790 791 struct emu10k1x *chip = dev_id; 792 struct emu10k1x_voice *pvoice = chip->voices; 793 int i; 794 int mask; 795 796 status = inl(chip->port + IPR); 797 798 if (! status) 799 return IRQ_NONE; 800 801 // capture interrupt 802 if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) { 803 struct emu10k1x_voice *cap_voice = &chip->capture_voice; 804 if (cap_voice->use) 805 snd_emu10k1x_pcm_interrupt(chip, cap_voice); 806 else 807 snd_emu10k1x_intr_disable(chip, 808 INTE_CAP_0_LOOP | 809 INTE_CAP_0_HALF_LOOP); 810 } 811 812 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP; 813 for (i = 0; i < 3; i++) { 814 if (status & mask) { 815 if (pvoice->use) 816 snd_emu10k1x_pcm_interrupt(chip, pvoice); 817 else 818 snd_emu10k1x_intr_disable(chip, mask); 819 } 820 pvoice++; 821 mask <<= 1; 822 } 823 824 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) { 825 if (chip->midi.interrupt) 826 chip->midi.interrupt(chip, status); 827 else 828 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE); 829 } 830 831 // acknowledge the interrupt if necessary 832 outl(status, chip->port + IPR); 833 834 /* dev_dbg(chip->card->dev, "interrupt %08x\n", status); */ 835 return IRQ_HANDLED; 836 } 837 838 static const struct snd_pcm_chmap_elem surround_map[] = { 839 { .channels = 2, 840 .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } }, 841 { } 842 }; 843 844 static const struct snd_pcm_chmap_elem clfe_map[] = { 845 { .channels = 2, 846 .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } }, 847 { } 848 }; 849 850 static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device) 851 { 852 struct snd_pcm *pcm; 853 const struct snd_pcm_chmap_elem *map = NULL; 854 int err; 855 int capture = 0; 856 857 if (device == 0) 858 capture = 1; 859 860 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0) 861 return err; 862 863 pcm->private_data = emu; 864 865 switch(device) { 866 case 0: 867 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 868 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops); 869 break; 870 case 1: 871 case 2: 872 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 873 break; 874 } 875 876 pcm->info_flags = 0; 877 switch(device) { 878 case 0: 879 strcpy(pcm->name, "EMU10K1X Front"); 880 map = snd_pcm_std_chmaps; 881 break; 882 case 1: 883 strcpy(pcm->name, "EMU10K1X Rear"); 884 map = surround_map; 885 break; 886 case 2: 887 strcpy(pcm->name, "EMU10K1X Center/LFE"); 888 map = clfe_map; 889 break; 890 } 891 emu->pcm = pcm; 892 893 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 894 snd_dma_pci_data(emu->pci), 895 32*1024, 32*1024); 896 897 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2, 898 1 << 2, NULL); 899 } 900 901 static int snd_emu10k1x_create(struct snd_card *card, 902 struct pci_dev *pci, 903 struct emu10k1x **rchip) 904 { 905 struct emu10k1x *chip; 906 int err; 907 int ch; 908 static struct snd_device_ops ops = { 909 .dev_free = snd_emu10k1x_dev_free, 910 }; 911 912 *rchip = NULL; 913 914 if ((err = pci_enable_device(pci)) < 0) 915 return err; 916 if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 || 917 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) { 918 dev_err(card->dev, "error to set 28bit mask DMA\n"); 919 pci_disable_device(pci); 920 return -ENXIO; 921 } 922 923 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 924 if (chip == NULL) { 925 pci_disable_device(pci); 926 return -ENOMEM; 927 } 928 929 chip->card = card; 930 chip->pci = pci; 931 chip->irq = -1; 932 933 spin_lock_init(&chip->emu_lock); 934 spin_lock_init(&chip->voice_lock); 935 936 chip->port = pci_resource_start(pci, 0); 937 if ((chip->res_port = request_region(chip->port, 8, 938 "EMU10K1X")) == NULL) { 939 dev_err(card->dev, "cannot allocate the port 0x%lx\n", 940 chip->port); 941 snd_emu10k1x_free(chip); 942 return -EBUSY; 943 } 944 945 if (request_irq(pci->irq, snd_emu10k1x_interrupt, 946 IRQF_SHARED, KBUILD_MODNAME, chip)) { 947 dev_err(card->dev, "cannot grab irq %d\n", pci->irq); 948 snd_emu10k1x_free(chip); 949 return -EBUSY; 950 } 951 chip->irq = pci->irq; 952 953 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 954 4 * 1024, &chip->dma_buffer) < 0) { 955 snd_emu10k1x_free(chip); 956 return -ENOMEM; 957 } 958 959 pci_set_master(pci); 960 /* read revision & serial */ 961 chip->revision = pci->revision; 962 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial); 963 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model); 964 dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n", chip->model, 965 chip->revision, chip->serial); 966 967 outl(0, chip->port + INTE); 968 969 for(ch = 0; ch < 3; ch++) { 970 chip->voices[ch].emu = chip; 971 chip->voices[ch].number = ch; 972 } 973 974 /* 975 * Init to 0x02109204 : 976 * Clock accuracy = 0 (1000ppm) 977 * Sample Rate = 2 (48kHz) 978 * Audio Channel = 1 (Left of 2) 979 * Source Number = 0 (Unspecified) 980 * Generation Status = 1 (Original for Cat Code 12) 981 * Cat Code = 12 (Digital Signal Mixer) 982 * Mode = 0 (Mode 0) 983 * Emphasis = 0 (None) 984 * CP = 1 (Copyright unasserted) 985 * AN = 0 (Audio data) 986 * P = 0 (Consumer) 987 */ 988 snd_emu10k1x_ptr_write(chip, SPCS0, 0, 989 chip->spdif_bits[0] = 990 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 991 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 992 SPCS_GENERATIONSTATUS | 0x00001200 | 993 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 994 snd_emu10k1x_ptr_write(chip, SPCS1, 0, 995 chip->spdif_bits[1] = 996 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 997 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 998 SPCS_GENERATIONSTATUS | 0x00001200 | 999 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 1000 snd_emu10k1x_ptr_write(chip, SPCS2, 0, 1001 chip->spdif_bits[2] = 1002 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1003 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 1004 SPCS_GENERATIONSTATUS | 0x00001200 | 1005 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 1006 1007 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF 1008 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing 1009 snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode 1010 1011 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); 1012 1013 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, 1014 chip, &ops)) < 0) { 1015 snd_emu10k1x_free(chip); 1016 return err; 1017 } 1018 *rchip = chip; 1019 return 0; 1020 } 1021 1022 static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry, 1023 struct snd_info_buffer *buffer) 1024 { 1025 struct emu10k1x *emu = entry->private_data; 1026 unsigned long value,value1,value2; 1027 unsigned long flags; 1028 int i; 1029 1030 snd_iprintf(buffer, "Registers:\n\n"); 1031 for(i = 0; i < 0x20; i+=4) { 1032 spin_lock_irqsave(&emu->emu_lock, flags); 1033 value = inl(emu->port + i); 1034 spin_unlock_irqrestore(&emu->emu_lock, flags); 1035 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value); 1036 } 1037 snd_iprintf(buffer, "\nRegisters\n\n"); 1038 for(i = 0; i <= 0x48; i++) { 1039 value = snd_emu10k1x_ptr_read(emu, i, 0); 1040 if(i < 0x10 || (i >= 0x20 && i < 0x40)) { 1041 value1 = snd_emu10k1x_ptr_read(emu, i, 1); 1042 value2 = snd_emu10k1x_ptr_read(emu, i, 2); 1043 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2); 1044 } else { 1045 snd_iprintf(buffer, "%02X: %08lX\n", i, value); 1046 } 1047 } 1048 } 1049 1050 static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry, 1051 struct snd_info_buffer *buffer) 1052 { 1053 struct emu10k1x *emu = entry->private_data; 1054 char line[64]; 1055 unsigned int reg, channel_id , val; 1056 1057 while (!snd_info_get_line(buffer, line, sizeof(line))) { 1058 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3) 1059 continue; 1060 1061 if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2) 1062 snd_emu10k1x_ptr_write(emu, reg, channel_id, val); 1063 } 1064 } 1065 1066 static int snd_emu10k1x_proc_init(struct emu10k1x *emu) 1067 { 1068 struct snd_info_entry *entry; 1069 1070 if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) { 1071 snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read); 1072 entry->c.text.write = snd_emu10k1x_proc_reg_write; 1073 entry->mode |= 0200; 1074 entry->private_data = emu; 1075 } 1076 1077 return 0; 1078 } 1079 1080 #define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info 1081 1082 static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol, 1083 struct snd_ctl_elem_value *ucontrol) 1084 { 1085 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1086 1087 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1; 1088 1089 return 0; 1090 } 1091 1092 static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, 1093 struct snd_ctl_elem_value *ucontrol) 1094 { 1095 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1096 unsigned int val; 1097 int change = 0; 1098 1099 val = ucontrol->value.integer.value[0] ; 1100 1101 if (val) { 1102 // enable spdif output 1103 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000); 1104 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700); 1105 snd_emu10k1x_gpio_write(emu, 0x1000); 1106 } else { 1107 // disable spdif output 1108 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700); 1109 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); 1110 snd_emu10k1x_gpio_write(emu, 0x1080); 1111 } 1112 return change; 1113 } 1114 1115 static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif = 1116 { 1117 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1118 .name = "Analog/Digital Output Jack", 1119 .info = snd_emu10k1x_shared_spdif_info, 1120 .get = snd_emu10k1x_shared_spdif_get, 1121 .put = snd_emu10k1x_shared_spdif_put 1122 }; 1123 1124 static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1125 { 1126 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 1127 uinfo->count = 1; 1128 return 0; 1129 } 1130 1131 static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol, 1132 struct snd_ctl_elem_value *ucontrol) 1133 { 1134 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1135 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1136 1137 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff; 1138 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff; 1139 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff; 1140 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff; 1141 return 0; 1142 } 1143 1144 static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol, 1145 struct snd_ctl_elem_value *ucontrol) 1146 { 1147 ucontrol->value.iec958.status[0] = 0xff; 1148 ucontrol->value.iec958.status[1] = 0xff; 1149 ucontrol->value.iec958.status[2] = 0xff; 1150 ucontrol->value.iec958.status[3] = 0xff; 1151 return 0; 1152 } 1153 1154 static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol, 1155 struct snd_ctl_elem_value *ucontrol) 1156 { 1157 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1158 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1159 int change; 1160 unsigned int val; 1161 1162 val = (ucontrol->value.iec958.status[0] << 0) | 1163 (ucontrol->value.iec958.status[1] << 8) | 1164 (ucontrol->value.iec958.status[2] << 16) | 1165 (ucontrol->value.iec958.status[3] << 24); 1166 change = val != emu->spdif_bits[idx]; 1167 if (change) { 1168 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val); 1169 emu->spdif_bits[idx] = val; 1170 } 1171 return change; 1172 } 1173 1174 static const struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control = 1175 { 1176 .access = SNDRV_CTL_ELEM_ACCESS_READ, 1177 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1178 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), 1179 .count = 3, 1180 .info = snd_emu10k1x_spdif_info, 1181 .get = snd_emu10k1x_spdif_get_mask 1182 }; 1183 1184 static const struct snd_kcontrol_new snd_emu10k1x_spdif_control = 1185 { 1186 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1187 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 1188 .count = 3, 1189 .info = snd_emu10k1x_spdif_info, 1190 .get = snd_emu10k1x_spdif_get, 1191 .put = snd_emu10k1x_spdif_put 1192 }; 1193 1194 static int snd_emu10k1x_mixer(struct emu10k1x *emu) 1195 { 1196 int err; 1197 struct snd_kcontrol *kctl; 1198 struct snd_card *card = emu->card; 1199 1200 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL) 1201 return -ENOMEM; 1202 if ((err = snd_ctl_add(card, kctl))) 1203 return err; 1204 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL) 1205 return -ENOMEM; 1206 if ((err = snd_ctl_add(card, kctl))) 1207 return err; 1208 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL) 1209 return -ENOMEM; 1210 if ((err = snd_ctl_add(card, kctl))) 1211 return err; 1212 1213 return 0; 1214 } 1215 1216 #define EMU10K1X_MIDI_MODE_INPUT (1<<0) 1217 #define EMU10K1X_MIDI_MODE_OUTPUT (1<<1) 1218 1219 static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx) 1220 { 1221 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0); 1222 } 1223 1224 static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx) 1225 { 1226 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data); 1227 } 1228 1229 #define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0) 1230 #define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1) 1231 #define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0) 1232 #define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1) 1233 1234 #define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80)) 1235 #define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40)) 1236 1237 #define MPU401_RESET 0xff 1238 #define MPU401_ENTER_UART 0x3f 1239 #define MPU401_ACK 0xfe 1240 1241 static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu) 1242 { 1243 int timeout = 100000; 1244 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--) 1245 mpu401_read_data(emu, mpu); 1246 #ifdef CONFIG_SND_DEBUG 1247 if (timeout <= 0) 1248 dev_err(emu->card->dev, 1249 "cmd: clear rx timeout (status = 0x%x)\n", 1250 mpu401_read_stat(emu, mpu)); 1251 #endif 1252 } 1253 1254 /* 1255 1256 */ 1257 1258 static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu, 1259 struct emu10k1x_midi *midi, unsigned int status) 1260 { 1261 unsigned char byte; 1262 1263 if (midi->rmidi == NULL) { 1264 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable); 1265 return; 1266 } 1267 1268 spin_lock(&midi->input_lock); 1269 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) { 1270 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1271 mpu401_clear_rx(emu, midi); 1272 } else { 1273 byte = mpu401_read_data(emu, midi); 1274 if (midi->substream_input) 1275 snd_rawmidi_receive(midi->substream_input, &byte, 1); 1276 } 1277 } 1278 spin_unlock(&midi->input_lock); 1279 1280 spin_lock(&midi->output_lock); 1281 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) { 1282 if (midi->substream_output && 1283 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) { 1284 mpu401_write_data(emu, midi, byte); 1285 } else { 1286 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1287 } 1288 } 1289 spin_unlock(&midi->output_lock); 1290 } 1291 1292 static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status) 1293 { 1294 do_emu10k1x_midi_interrupt(emu, &emu->midi, status); 1295 } 1296 1297 static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu, 1298 struct emu10k1x_midi *midi, unsigned char cmd, int ack) 1299 { 1300 unsigned long flags; 1301 int timeout, ok; 1302 1303 spin_lock_irqsave(&midi->input_lock, flags); 1304 mpu401_write_data(emu, midi, 0x00); 1305 /* mpu401_clear_rx(emu, midi); */ 1306 1307 mpu401_write_cmd(emu, midi, cmd); 1308 if (ack) { 1309 ok = 0; 1310 timeout = 10000; 1311 while (!ok && timeout-- > 0) { 1312 if (mpu401_input_avail(emu, midi)) { 1313 if (mpu401_read_data(emu, midi) == MPU401_ACK) 1314 ok = 1; 1315 } 1316 } 1317 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK) 1318 ok = 1; 1319 } else { 1320 ok = 1; 1321 } 1322 spin_unlock_irqrestore(&midi->input_lock, flags); 1323 if (!ok) { 1324 dev_err(emu->card->dev, 1325 "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n", 1326 cmd, emu->port, 1327 mpu401_read_stat(emu, midi), 1328 mpu401_read_data(emu, midi)); 1329 return 1; 1330 } 1331 return 0; 1332 } 1333 1334 static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream) 1335 { 1336 struct emu10k1x *emu; 1337 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1338 unsigned long flags; 1339 1340 emu = midi->emu; 1341 if (snd_BUG_ON(!emu)) 1342 return -ENXIO; 1343 spin_lock_irqsave(&midi->open_lock, flags); 1344 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; 1345 midi->substream_input = substream; 1346 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1347 spin_unlock_irqrestore(&midi->open_lock, flags); 1348 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) 1349 goto error_out; 1350 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) 1351 goto error_out; 1352 } else { 1353 spin_unlock_irqrestore(&midi->open_lock, flags); 1354 } 1355 return 0; 1356 1357 error_out: 1358 return -EIO; 1359 } 1360 1361 static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream) 1362 { 1363 struct emu10k1x *emu; 1364 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1365 unsigned long flags; 1366 1367 emu = midi->emu; 1368 if (snd_BUG_ON(!emu)) 1369 return -ENXIO; 1370 spin_lock_irqsave(&midi->open_lock, flags); 1371 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; 1372 midi->substream_output = substream; 1373 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1374 spin_unlock_irqrestore(&midi->open_lock, flags); 1375 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) 1376 goto error_out; 1377 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) 1378 goto error_out; 1379 } else { 1380 spin_unlock_irqrestore(&midi->open_lock, flags); 1381 } 1382 return 0; 1383 1384 error_out: 1385 return -EIO; 1386 } 1387 1388 static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream) 1389 { 1390 struct emu10k1x *emu; 1391 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1392 unsigned long flags; 1393 int err = 0; 1394 1395 emu = midi->emu; 1396 if (snd_BUG_ON(!emu)) 1397 return -ENXIO; 1398 spin_lock_irqsave(&midi->open_lock, flags); 1399 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1400 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; 1401 midi->substream_input = NULL; 1402 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1403 spin_unlock_irqrestore(&midi->open_lock, flags); 1404 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1405 } else { 1406 spin_unlock_irqrestore(&midi->open_lock, flags); 1407 } 1408 return err; 1409 } 1410 1411 static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream) 1412 { 1413 struct emu10k1x *emu; 1414 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1415 unsigned long flags; 1416 int err = 0; 1417 1418 emu = midi->emu; 1419 if (snd_BUG_ON(!emu)) 1420 return -ENXIO; 1421 spin_lock_irqsave(&midi->open_lock, flags); 1422 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1423 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; 1424 midi->substream_output = NULL; 1425 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1426 spin_unlock_irqrestore(&midi->open_lock, flags); 1427 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1428 } else { 1429 spin_unlock_irqrestore(&midi->open_lock, flags); 1430 } 1431 return err; 1432 } 1433 1434 static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) 1435 { 1436 struct emu10k1x *emu; 1437 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1438 emu = midi->emu; 1439 if (snd_BUG_ON(!emu)) 1440 return; 1441 1442 if (up) 1443 snd_emu10k1x_intr_enable(emu, midi->rx_enable); 1444 else 1445 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1446 } 1447 1448 static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) 1449 { 1450 struct emu10k1x *emu; 1451 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1452 unsigned long flags; 1453 1454 emu = midi->emu; 1455 if (snd_BUG_ON(!emu)) 1456 return; 1457 1458 if (up) { 1459 int max = 4; 1460 unsigned char byte; 1461 1462 /* try to send some amount of bytes here before interrupts */ 1463 spin_lock_irqsave(&midi->output_lock, flags); 1464 while (max > 0) { 1465 if (mpu401_output_ready(emu, midi)) { 1466 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) || 1467 snd_rawmidi_transmit(substream, &byte, 1) != 1) { 1468 /* no more data */ 1469 spin_unlock_irqrestore(&midi->output_lock, flags); 1470 return; 1471 } 1472 mpu401_write_data(emu, midi, byte); 1473 max--; 1474 } else { 1475 break; 1476 } 1477 } 1478 spin_unlock_irqrestore(&midi->output_lock, flags); 1479 snd_emu10k1x_intr_enable(emu, midi->tx_enable); 1480 } else { 1481 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1482 } 1483 } 1484 1485 /* 1486 1487 */ 1488 1489 static const struct snd_rawmidi_ops snd_emu10k1x_midi_output = 1490 { 1491 .open = snd_emu10k1x_midi_output_open, 1492 .close = snd_emu10k1x_midi_output_close, 1493 .trigger = snd_emu10k1x_midi_output_trigger, 1494 }; 1495 1496 static const struct snd_rawmidi_ops snd_emu10k1x_midi_input = 1497 { 1498 .open = snd_emu10k1x_midi_input_open, 1499 .close = snd_emu10k1x_midi_input_close, 1500 .trigger = snd_emu10k1x_midi_input_trigger, 1501 }; 1502 1503 static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi) 1504 { 1505 struct emu10k1x_midi *midi = rmidi->private_data; 1506 midi->interrupt = NULL; 1507 midi->rmidi = NULL; 1508 } 1509 1510 static int emu10k1x_midi_init(struct emu10k1x *emu, 1511 struct emu10k1x_midi *midi, int device, 1512 char *name) 1513 { 1514 struct snd_rawmidi *rmidi; 1515 int err; 1516 1517 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0) 1518 return err; 1519 midi->emu = emu; 1520 spin_lock_init(&midi->open_lock); 1521 spin_lock_init(&midi->input_lock); 1522 spin_lock_init(&midi->output_lock); 1523 strcpy(rmidi->name, name); 1524 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output); 1525 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input); 1526 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | 1527 SNDRV_RAWMIDI_INFO_INPUT | 1528 SNDRV_RAWMIDI_INFO_DUPLEX; 1529 rmidi->private_data = midi; 1530 rmidi->private_free = snd_emu10k1x_midi_free; 1531 midi->rmidi = rmidi; 1532 return 0; 1533 } 1534 1535 static int snd_emu10k1x_midi(struct emu10k1x *emu) 1536 { 1537 struct emu10k1x_midi *midi = &emu->midi; 1538 int err; 1539 1540 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0) 1541 return err; 1542 1543 midi->tx_enable = INTE_MIDITXENABLE; 1544 midi->rx_enable = INTE_MIDIRXENABLE; 1545 midi->port = MUDATA; 1546 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY; 1547 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY; 1548 midi->interrupt = snd_emu10k1x_midi_interrupt; 1549 return 0; 1550 } 1551 1552 static int snd_emu10k1x_probe(struct pci_dev *pci, 1553 const struct pci_device_id *pci_id) 1554 { 1555 static int dev; 1556 struct snd_card *card; 1557 struct emu10k1x *chip; 1558 int err; 1559 1560 if (dev >= SNDRV_CARDS) 1561 return -ENODEV; 1562 if (!enable[dev]) { 1563 dev++; 1564 return -ENOENT; 1565 } 1566 1567 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1568 0, &card); 1569 if (err < 0) 1570 return err; 1571 1572 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) { 1573 snd_card_free(card); 1574 return err; 1575 } 1576 1577 if ((err = snd_emu10k1x_pcm(chip, 0)) < 0) { 1578 snd_card_free(card); 1579 return err; 1580 } 1581 if ((err = snd_emu10k1x_pcm(chip, 1)) < 0) { 1582 snd_card_free(card); 1583 return err; 1584 } 1585 if ((err = snd_emu10k1x_pcm(chip, 2)) < 0) { 1586 snd_card_free(card); 1587 return err; 1588 } 1589 1590 if ((err = snd_emu10k1x_ac97(chip)) < 0) { 1591 snd_card_free(card); 1592 return err; 1593 } 1594 1595 if ((err = snd_emu10k1x_mixer(chip)) < 0) { 1596 snd_card_free(card); 1597 return err; 1598 } 1599 1600 if ((err = snd_emu10k1x_midi(chip)) < 0) { 1601 snd_card_free(card); 1602 return err; 1603 } 1604 1605 snd_emu10k1x_proc_init(chip); 1606 1607 strcpy(card->driver, "EMU10K1X"); 1608 strcpy(card->shortname, "Dell Sound Blaster Live!"); 1609 sprintf(card->longname, "%s at 0x%lx irq %i", 1610 card->shortname, chip->port, chip->irq); 1611 1612 if ((err = snd_card_register(card)) < 0) { 1613 snd_card_free(card); 1614 return err; 1615 } 1616 1617 pci_set_drvdata(pci, card); 1618 dev++; 1619 return 0; 1620 } 1621 1622 static void snd_emu10k1x_remove(struct pci_dev *pci) 1623 { 1624 snd_card_free(pci_get_drvdata(pci)); 1625 } 1626 1627 // PCI IDs 1628 static const struct pci_device_id snd_emu10k1x_ids[] = { 1629 { PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */ 1630 { 0, } 1631 }; 1632 MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); 1633 1634 // pci_driver definition 1635 static struct pci_driver emu10k1x_driver = { 1636 .name = KBUILD_MODNAME, 1637 .id_table = snd_emu10k1x_ids, 1638 .probe = snd_emu10k1x_probe, 1639 .remove = snd_emu10k1x_remove, 1640 }; 1641 1642 module_pci_driver(emu10k1x_driver); 1643