1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> 4 * Driver EMU10K1X chips 5 * 6 * Parts of this code were adapted from audigyls.c driver which is 7 * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk> 8 * 9 * BUGS: 10 * -- 11 * 12 * TODO: 13 * 14 * Chips (SB0200 model): 15 * - EMU10K1X-DBQ 16 * - STAC 9708T 17 */ 18 #include <linux/init.h> 19 #include <linux/interrupt.h> 20 #include <linux/pci.h> 21 #include <linux/dma-mapping.h> 22 #include <linux/slab.h> 23 #include <linux/module.h> 24 #include <sound/core.h> 25 #include <sound/initval.h> 26 #include <sound/pcm.h> 27 #include <sound/ac97_codec.h> 28 #include <sound/info.h> 29 #include <sound/rawmidi.h> 30 31 MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>"); 32 MODULE_DESCRIPTION("EMU10K1X"); 33 MODULE_LICENSE("GPL"); 34 MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}"); 35 36 // module parameters (see "Module Parameters") 37 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 38 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 39 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 40 41 module_param_array(index, int, NULL, 0444); 42 MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard."); 43 module_param_array(id, charp, NULL, 0444); 44 MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard."); 45 module_param_array(enable, bool, NULL, 0444); 46 MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard."); 47 48 49 // some definitions were borrowed from emu10k1 driver as they seem to be the same 50 /************************************************************************************************/ 51 /* PCI function 0 registers, address = <val> + PCIBASE0 */ 52 /************************************************************************************************/ 53 54 #define PTR 0x00 /* Indexed register set pointer register */ 55 /* NOTE: The CHANNELNUM and ADDRESS words can */ 56 /* be modified independently of each other. */ 57 58 #define DATA 0x04 /* Indexed register set data register */ 59 60 #define IPR 0x08 /* Global interrupt pending register */ 61 /* Clear pending interrupts by writing a 1 to */ 62 /* the relevant bits and zero to the other bits */ 63 #define IPR_MIDITRANSBUFEMPTY 0x00000001 /* MIDI UART transmit buffer empty */ 64 #define IPR_MIDIRECVBUFEMPTY 0x00000002 /* MIDI UART receive buffer empty */ 65 #define IPR_CH_0_LOOP 0x00000800 /* Channel 0 loop */ 66 #define IPR_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ 67 #define IPR_CAP_0_LOOP 0x00080000 /* Channel capture loop */ 68 #define IPR_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ 69 70 #define INTE 0x0c /* Interrupt enable register */ 71 #define INTE_MIDITXENABLE 0x00000001 /* Enable MIDI transmit-buffer-empty interrupts */ 72 #define INTE_MIDIRXENABLE 0x00000002 /* Enable MIDI receive-buffer-empty interrupts */ 73 #define INTE_CH_0_LOOP 0x00000800 /* Channel 0 loop */ 74 #define INTE_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ 75 #define INTE_CAP_0_LOOP 0x00080000 /* Channel capture loop */ 76 #define INTE_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ 77 78 #define HCFG 0x14 /* Hardware config register */ 79 80 #define HCFG_LOCKSOUNDCACHE 0x00000008 /* 1 = Cancel bustmaster accesses to soundcache */ 81 /* NOTE: This should generally never be used. */ 82 #define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */ 83 /* Should be set to 1 when the EMU10K1 is */ 84 /* completely initialized. */ 85 #define GPIO 0x18 /* Defaults: 00001080-Analog, 00001000-SPDIF. */ 86 87 88 #define AC97DATA 0x1c /* AC97 register set data register (16 bit) */ 89 90 #define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */ 91 92 /********************************************************************************************************/ 93 /* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */ 94 /********************************************************************************************************/ 95 #define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */ 96 /* One list entry: 4 bytes for DMA address, 97 * 4 bytes for period_size << 16. 98 * One list entry is 8 bytes long. 99 * One list entry for each period in the buffer. 100 */ 101 #define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */ 102 #define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */ 103 #define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */ 104 #define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size */ 105 #define PLAYBACK_POINTER 0x06 /* Playback period pointer. Sample currently in DAC */ 106 #define PLAYBACK_UNKNOWN1 0x07 107 #define PLAYBACK_UNKNOWN2 0x08 108 109 /* Only one capture channel supported */ 110 #define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */ 111 #define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */ 112 #define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */ 113 #define CAPTURE_UNKNOWN 0x13 114 115 /* From 0x20 - 0x3f, last samples played on each channel */ 116 117 #define TRIGGER_CHANNEL 0x40 /* Trigger channel playback */ 118 #define TRIGGER_CHANNEL_0 0x00000001 /* Trigger channel 0 */ 119 #define TRIGGER_CHANNEL_1 0x00000002 /* Trigger channel 1 */ 120 #define TRIGGER_CHANNEL_2 0x00000004 /* Trigger channel 2 */ 121 #define TRIGGER_CAPTURE 0x00000100 /* Trigger capture channel */ 122 123 #define ROUTING 0x41 /* Setup sound routing ? */ 124 #define ROUTING_FRONT_LEFT 0x00000001 125 #define ROUTING_FRONT_RIGHT 0x00000002 126 #define ROUTING_REAR_LEFT 0x00000004 127 #define ROUTING_REAR_RIGHT 0x00000008 128 #define ROUTING_CENTER_LFE 0x00010000 129 130 #define SPCS0 0x42 /* SPDIF output Channel Status 0 register */ 131 132 #define SPCS1 0x43 /* SPDIF output Channel Status 1 register */ 133 134 #define SPCS2 0x44 /* SPDIF output Channel Status 2 register */ 135 136 #define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */ 137 #define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */ 138 #define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */ 139 #define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */ 140 #define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */ 141 #define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */ 142 #define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */ 143 #define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */ 144 #define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */ 145 #define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */ 146 #define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */ 147 #define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */ 148 #define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */ 149 #define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */ 150 #define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */ 151 #define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */ 152 #define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */ 153 #define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */ 154 #define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */ 155 #define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */ 156 #define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */ 157 #define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */ 158 #define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */ 159 160 #define SPDIF_SELECT 0x45 /* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */ 161 162 /* This is the MPU port on the card */ 163 #define MUDATA 0x47 164 #define MUCMD 0x48 165 #define MUSTAT MUCMD 166 167 /* From 0x50 - 0x5f, last samples captured */ 168 169 /* 170 * The hardware has 3 channels for playback and 1 for capture. 171 * - channel 0 is the front channel 172 * - channel 1 is the rear channel 173 * - channel 2 is the center/lfe channel 174 * Volume is controlled by the AC97 for the front and rear channels by 175 * the PCM Playback Volume, Sigmatel Surround Playback Volume and 176 * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects 177 * the front/rear channel mixing in the REAR OUT jack. When using the 178 * 4-Speaker Stereo, both front and rear channels will be mixed in the 179 * REAR OUT. 180 * The center/lfe channel has no volume control and cannot be muted during 181 * playback. 182 */ 183 184 struct emu10k1x_voice { 185 struct emu10k1x *emu; 186 int number; 187 int use; 188 189 struct emu10k1x_pcm *epcm; 190 }; 191 192 struct emu10k1x_pcm { 193 struct emu10k1x *emu; 194 struct snd_pcm_substream *substream; 195 struct emu10k1x_voice *voice; 196 unsigned short running; 197 }; 198 199 struct emu10k1x_midi { 200 struct emu10k1x *emu; 201 struct snd_rawmidi *rmidi; 202 struct snd_rawmidi_substream *substream_input; 203 struct snd_rawmidi_substream *substream_output; 204 unsigned int midi_mode; 205 spinlock_t input_lock; 206 spinlock_t output_lock; 207 spinlock_t open_lock; 208 int tx_enable, rx_enable; 209 int port; 210 int ipr_tx, ipr_rx; 211 void (*interrupt)(struct emu10k1x *emu, unsigned int status); 212 }; 213 214 // definition of the chip-specific record 215 struct emu10k1x { 216 struct snd_card *card; 217 struct pci_dev *pci; 218 219 unsigned long port; 220 struct resource *res_port; 221 int irq; 222 223 unsigned char revision; /* chip revision */ 224 unsigned int serial; /* serial number */ 225 unsigned short model; /* subsystem id */ 226 227 spinlock_t emu_lock; 228 spinlock_t voice_lock; 229 230 struct snd_ac97 *ac97; 231 struct snd_pcm *pcm; 232 233 struct emu10k1x_voice voices[3]; 234 struct emu10k1x_voice capture_voice; 235 u32 spdif_bits[3]; // SPDIF out setup 236 237 struct snd_dma_buffer dma_buffer; 238 239 struct emu10k1x_midi midi; 240 }; 241 242 /* hardware definition */ 243 static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = { 244 .info = (SNDRV_PCM_INFO_MMAP | 245 SNDRV_PCM_INFO_INTERLEAVED | 246 SNDRV_PCM_INFO_BLOCK_TRANSFER | 247 SNDRV_PCM_INFO_MMAP_VALID), 248 .formats = SNDRV_PCM_FMTBIT_S16_LE, 249 .rates = SNDRV_PCM_RATE_48000, 250 .rate_min = 48000, 251 .rate_max = 48000, 252 .channels_min = 2, 253 .channels_max = 2, 254 .buffer_bytes_max = (32*1024), 255 .period_bytes_min = 64, 256 .period_bytes_max = (16*1024), 257 .periods_min = 2, 258 .periods_max = 8, 259 .fifo_size = 0, 260 }; 261 262 static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = { 263 .info = (SNDRV_PCM_INFO_MMAP | 264 SNDRV_PCM_INFO_INTERLEAVED | 265 SNDRV_PCM_INFO_BLOCK_TRANSFER | 266 SNDRV_PCM_INFO_MMAP_VALID), 267 .formats = SNDRV_PCM_FMTBIT_S16_LE, 268 .rates = SNDRV_PCM_RATE_48000, 269 .rate_min = 48000, 270 .rate_max = 48000, 271 .channels_min = 2, 272 .channels_max = 2, 273 .buffer_bytes_max = (32*1024), 274 .period_bytes_min = 64, 275 .period_bytes_max = (16*1024), 276 .periods_min = 2, 277 .periods_max = 2, 278 .fifo_size = 0, 279 }; 280 281 static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu, 282 unsigned int reg, 283 unsigned int chn) 284 { 285 unsigned long flags; 286 unsigned int regptr, val; 287 288 regptr = (reg << 16) | chn; 289 290 spin_lock_irqsave(&emu->emu_lock, flags); 291 outl(regptr, emu->port + PTR); 292 val = inl(emu->port + DATA); 293 spin_unlock_irqrestore(&emu->emu_lock, flags); 294 return val; 295 } 296 297 static void snd_emu10k1x_ptr_write(struct emu10k1x *emu, 298 unsigned int reg, 299 unsigned int chn, 300 unsigned int data) 301 { 302 unsigned int regptr; 303 unsigned long flags; 304 305 regptr = (reg << 16) | chn; 306 307 spin_lock_irqsave(&emu->emu_lock, flags); 308 outl(regptr, emu->port + PTR); 309 outl(data, emu->port + DATA); 310 spin_unlock_irqrestore(&emu->emu_lock, flags); 311 } 312 313 static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb) 314 { 315 unsigned long flags; 316 unsigned int intr_enable; 317 318 spin_lock_irqsave(&emu->emu_lock, flags); 319 intr_enable = inl(emu->port + INTE) | intrenb; 320 outl(intr_enable, emu->port + INTE); 321 spin_unlock_irqrestore(&emu->emu_lock, flags); 322 } 323 324 static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb) 325 { 326 unsigned long flags; 327 unsigned int intr_enable; 328 329 spin_lock_irqsave(&emu->emu_lock, flags); 330 intr_enable = inl(emu->port + INTE) & ~intrenb; 331 outl(intr_enable, emu->port + INTE); 332 spin_unlock_irqrestore(&emu->emu_lock, flags); 333 } 334 335 static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value) 336 { 337 unsigned long flags; 338 339 spin_lock_irqsave(&emu->emu_lock, flags); 340 outl(value, emu->port + GPIO); 341 spin_unlock_irqrestore(&emu->emu_lock, flags); 342 } 343 344 static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime) 345 { 346 kfree(runtime->private_data); 347 } 348 349 static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice) 350 { 351 struct emu10k1x_pcm *epcm; 352 353 if ((epcm = voice->epcm) == NULL) 354 return; 355 if (epcm->substream == NULL) 356 return; 357 #if 0 358 dev_info(emu->card->dev, 359 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 360 epcm->substream->ops->pointer(epcm->substream), 361 snd_pcm_lib_period_bytes(epcm->substream), 362 snd_pcm_lib_buffer_bytes(epcm->substream)); 363 #endif 364 snd_pcm_period_elapsed(epcm->substream); 365 } 366 367 /* open callback */ 368 static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream) 369 { 370 struct emu10k1x *chip = snd_pcm_substream_chip(substream); 371 struct emu10k1x_pcm *epcm; 372 struct snd_pcm_runtime *runtime = substream->runtime; 373 int err; 374 375 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 376 return err; 377 } 378 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 379 return err; 380 381 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 382 if (epcm == NULL) 383 return -ENOMEM; 384 epcm->emu = chip; 385 epcm->substream = substream; 386 387 runtime->private_data = epcm; 388 runtime->private_free = snd_emu10k1x_pcm_free_substream; 389 390 runtime->hw = snd_emu10k1x_playback_hw; 391 392 return 0; 393 } 394 395 /* close callback */ 396 static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream) 397 { 398 return 0; 399 } 400 401 /* hw_params callback */ 402 static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream, 403 struct snd_pcm_hw_params *hw_params) 404 { 405 struct snd_pcm_runtime *runtime = substream->runtime; 406 struct emu10k1x_pcm *epcm = runtime->private_data; 407 408 if (! epcm->voice) { 409 epcm->voice = &epcm->emu->voices[substream->pcm->device]; 410 epcm->voice->use = 1; 411 epcm->voice->epcm = epcm; 412 } 413 414 return snd_pcm_lib_malloc_pages(substream, 415 params_buffer_bytes(hw_params)); 416 } 417 418 /* hw_free callback */ 419 static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream) 420 { 421 struct snd_pcm_runtime *runtime = substream->runtime; 422 struct emu10k1x_pcm *epcm; 423 424 if (runtime->private_data == NULL) 425 return 0; 426 427 epcm = runtime->private_data; 428 429 if (epcm->voice) { 430 epcm->voice->use = 0; 431 epcm->voice->epcm = NULL; 432 epcm->voice = NULL; 433 } 434 435 return snd_pcm_lib_free_pages(substream); 436 } 437 438 /* prepare callback */ 439 static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream) 440 { 441 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 442 struct snd_pcm_runtime *runtime = substream->runtime; 443 struct emu10k1x_pcm *epcm = runtime->private_data; 444 int voice = epcm->voice->number; 445 u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice); 446 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size); 447 int i; 448 449 for(i = 0; i < runtime->periods; i++) { 450 *table_base++=runtime->dma_addr+(i*period_size_bytes); 451 *table_base++=period_size_bytes<<16; 452 } 453 454 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice); 455 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19); 456 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0); 457 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0); 458 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0); 459 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0); 460 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr); 461 462 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16); 463 464 return 0; 465 } 466 467 /* trigger callback */ 468 static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream, 469 int cmd) 470 { 471 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 472 struct snd_pcm_runtime *runtime = substream->runtime; 473 struct emu10k1x_pcm *epcm = runtime->private_data; 474 int channel = epcm->voice->number; 475 int result = 0; 476 477 /* 478 dev_dbg(emu->card->dev, 479 "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", 480 (int)emu, cmd, (int)substream->ops->pointer(substream)); 481 */ 482 483 switch (cmd) { 484 case SNDRV_PCM_TRIGGER_START: 485 if(runtime->periods == 2) 486 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 487 else 488 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); 489 epcm->running = 1; 490 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel)); 491 break; 492 case SNDRV_PCM_TRIGGER_STOP: 493 epcm->running = 0; 494 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 495 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel)); 496 break; 497 default: 498 result = -EINVAL; 499 break; 500 } 501 return result; 502 } 503 504 /* pointer callback */ 505 static snd_pcm_uframes_t 506 snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream) 507 { 508 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 509 struct snd_pcm_runtime *runtime = substream->runtime; 510 struct emu10k1x_pcm *epcm = runtime->private_data; 511 int channel = epcm->voice->number; 512 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0; 513 514 if (!epcm->running) 515 return 0; 516 517 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 518 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 519 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 520 521 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size)) 522 return 0; 523 524 if (ptr3 != ptr4) 525 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 526 ptr2 = bytes_to_frames(runtime, ptr1); 527 ptr2 += (ptr4 >> 3) * runtime->period_size; 528 ptr = ptr2; 529 530 if (ptr >= runtime->buffer_size) 531 ptr -= runtime->buffer_size; 532 533 return ptr; 534 } 535 536 /* operators */ 537 static const struct snd_pcm_ops snd_emu10k1x_playback_ops = { 538 .open = snd_emu10k1x_playback_open, 539 .close = snd_emu10k1x_playback_close, 540 .ioctl = snd_pcm_lib_ioctl, 541 .hw_params = snd_emu10k1x_pcm_hw_params, 542 .hw_free = snd_emu10k1x_pcm_hw_free, 543 .prepare = snd_emu10k1x_pcm_prepare, 544 .trigger = snd_emu10k1x_pcm_trigger, 545 .pointer = snd_emu10k1x_pcm_pointer, 546 }; 547 548 /* open_capture callback */ 549 static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream) 550 { 551 struct emu10k1x *chip = snd_pcm_substream_chip(substream); 552 struct emu10k1x_pcm *epcm; 553 struct snd_pcm_runtime *runtime = substream->runtime; 554 int err; 555 556 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 557 return err; 558 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 559 return err; 560 561 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 562 if (epcm == NULL) 563 return -ENOMEM; 564 565 epcm->emu = chip; 566 epcm->substream = substream; 567 568 runtime->private_data = epcm; 569 runtime->private_free = snd_emu10k1x_pcm_free_substream; 570 571 runtime->hw = snd_emu10k1x_capture_hw; 572 573 return 0; 574 } 575 576 /* close callback */ 577 static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream) 578 { 579 return 0; 580 } 581 582 /* hw_params callback */ 583 static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream, 584 struct snd_pcm_hw_params *hw_params) 585 { 586 struct snd_pcm_runtime *runtime = substream->runtime; 587 struct emu10k1x_pcm *epcm = runtime->private_data; 588 589 if (! epcm->voice) { 590 if (epcm->emu->capture_voice.use) 591 return -EBUSY; 592 epcm->voice = &epcm->emu->capture_voice; 593 epcm->voice->epcm = epcm; 594 epcm->voice->use = 1; 595 } 596 597 return snd_pcm_lib_malloc_pages(substream, 598 params_buffer_bytes(hw_params)); 599 } 600 601 /* hw_free callback */ 602 static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream) 603 { 604 struct snd_pcm_runtime *runtime = substream->runtime; 605 606 struct emu10k1x_pcm *epcm; 607 608 if (runtime->private_data == NULL) 609 return 0; 610 epcm = runtime->private_data; 611 612 if (epcm->voice) { 613 epcm->voice->use = 0; 614 epcm->voice->epcm = NULL; 615 epcm->voice = NULL; 616 } 617 618 return snd_pcm_lib_free_pages(substream); 619 } 620 621 /* prepare capture callback */ 622 static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream) 623 { 624 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 625 struct snd_pcm_runtime *runtime = substream->runtime; 626 627 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr); 628 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes 629 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0); 630 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0); 631 632 return 0; 633 } 634 635 /* trigger_capture callback */ 636 static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream, 637 int cmd) 638 { 639 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 640 struct snd_pcm_runtime *runtime = substream->runtime; 641 struct emu10k1x_pcm *epcm = runtime->private_data; 642 int result = 0; 643 644 switch (cmd) { 645 case SNDRV_PCM_TRIGGER_START: 646 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP | 647 INTE_CAP_0_HALF_LOOP); 648 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE); 649 epcm->running = 1; 650 break; 651 case SNDRV_PCM_TRIGGER_STOP: 652 epcm->running = 0; 653 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP | 654 INTE_CAP_0_HALF_LOOP); 655 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE)); 656 break; 657 default: 658 result = -EINVAL; 659 break; 660 } 661 return result; 662 } 663 664 /* pointer_capture callback */ 665 static snd_pcm_uframes_t 666 snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream) 667 { 668 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 669 struct snd_pcm_runtime *runtime = substream->runtime; 670 struct emu10k1x_pcm *epcm = runtime->private_data; 671 snd_pcm_uframes_t ptr; 672 673 if (!epcm->running) 674 return 0; 675 676 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0)); 677 if (ptr >= runtime->buffer_size) 678 ptr -= runtime->buffer_size; 679 680 return ptr; 681 } 682 683 static const struct snd_pcm_ops snd_emu10k1x_capture_ops = { 684 .open = snd_emu10k1x_pcm_open_capture, 685 .close = snd_emu10k1x_pcm_close_capture, 686 .ioctl = snd_pcm_lib_ioctl, 687 .hw_params = snd_emu10k1x_pcm_hw_params_capture, 688 .hw_free = snd_emu10k1x_pcm_hw_free_capture, 689 .prepare = snd_emu10k1x_pcm_prepare_capture, 690 .trigger = snd_emu10k1x_pcm_trigger_capture, 691 .pointer = snd_emu10k1x_pcm_pointer_capture, 692 }; 693 694 static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97, 695 unsigned short reg) 696 { 697 struct emu10k1x *emu = ac97->private_data; 698 unsigned long flags; 699 unsigned short val; 700 701 spin_lock_irqsave(&emu->emu_lock, flags); 702 outb(reg, emu->port + AC97ADDRESS); 703 val = inw(emu->port + AC97DATA); 704 spin_unlock_irqrestore(&emu->emu_lock, flags); 705 return val; 706 } 707 708 static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97, 709 unsigned short reg, unsigned short val) 710 { 711 struct emu10k1x *emu = ac97->private_data; 712 unsigned long flags; 713 714 spin_lock_irqsave(&emu->emu_lock, flags); 715 outb(reg, emu->port + AC97ADDRESS); 716 outw(val, emu->port + AC97DATA); 717 spin_unlock_irqrestore(&emu->emu_lock, flags); 718 } 719 720 static int snd_emu10k1x_ac97(struct emu10k1x *chip) 721 { 722 struct snd_ac97_bus *pbus; 723 struct snd_ac97_template ac97; 724 int err; 725 static struct snd_ac97_bus_ops ops = { 726 .write = snd_emu10k1x_ac97_write, 727 .read = snd_emu10k1x_ac97_read, 728 }; 729 730 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0) 731 return err; 732 pbus->no_vra = 1; /* we don't need VRA */ 733 734 memset(&ac97, 0, sizeof(ac97)); 735 ac97.private_data = chip; 736 ac97.scaps = AC97_SCAP_NO_SPDIF; 737 return snd_ac97_mixer(pbus, &ac97, &chip->ac97); 738 } 739 740 static int snd_emu10k1x_free(struct emu10k1x *chip) 741 { 742 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0); 743 // disable interrupts 744 outl(0, chip->port + INTE); 745 // disable audio 746 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); 747 748 /* release the irq */ 749 if (chip->irq >= 0) 750 free_irq(chip->irq, chip); 751 752 // release the i/o port 753 release_and_free_resource(chip->res_port); 754 755 // release the DMA 756 if (chip->dma_buffer.area) { 757 snd_dma_free_pages(&chip->dma_buffer); 758 } 759 760 pci_disable_device(chip->pci); 761 762 // release the data 763 kfree(chip); 764 return 0; 765 } 766 767 static int snd_emu10k1x_dev_free(struct snd_device *device) 768 { 769 struct emu10k1x *chip = device->device_data; 770 return snd_emu10k1x_free(chip); 771 } 772 773 static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id) 774 { 775 unsigned int status; 776 777 struct emu10k1x *chip = dev_id; 778 struct emu10k1x_voice *pvoice = chip->voices; 779 int i; 780 int mask; 781 782 status = inl(chip->port + IPR); 783 784 if (! status) 785 return IRQ_NONE; 786 787 // capture interrupt 788 if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) { 789 struct emu10k1x_voice *cap_voice = &chip->capture_voice; 790 if (cap_voice->use) 791 snd_emu10k1x_pcm_interrupt(chip, cap_voice); 792 else 793 snd_emu10k1x_intr_disable(chip, 794 INTE_CAP_0_LOOP | 795 INTE_CAP_0_HALF_LOOP); 796 } 797 798 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP; 799 for (i = 0; i < 3; i++) { 800 if (status & mask) { 801 if (pvoice->use) 802 snd_emu10k1x_pcm_interrupt(chip, pvoice); 803 else 804 snd_emu10k1x_intr_disable(chip, mask); 805 } 806 pvoice++; 807 mask <<= 1; 808 } 809 810 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) { 811 if (chip->midi.interrupt) 812 chip->midi.interrupt(chip, status); 813 else 814 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE); 815 } 816 817 // acknowledge the interrupt if necessary 818 outl(status, chip->port + IPR); 819 820 /* dev_dbg(chip->card->dev, "interrupt %08x\n", status); */ 821 return IRQ_HANDLED; 822 } 823 824 static const struct snd_pcm_chmap_elem surround_map[] = { 825 { .channels = 2, 826 .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } }, 827 { } 828 }; 829 830 static const struct snd_pcm_chmap_elem clfe_map[] = { 831 { .channels = 2, 832 .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } }, 833 { } 834 }; 835 836 static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device) 837 { 838 struct snd_pcm *pcm; 839 const struct snd_pcm_chmap_elem *map = NULL; 840 int err; 841 int capture = 0; 842 843 if (device == 0) 844 capture = 1; 845 846 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0) 847 return err; 848 849 pcm->private_data = emu; 850 851 switch(device) { 852 case 0: 853 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 854 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops); 855 break; 856 case 1: 857 case 2: 858 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 859 break; 860 } 861 862 pcm->info_flags = 0; 863 switch(device) { 864 case 0: 865 strcpy(pcm->name, "EMU10K1X Front"); 866 map = snd_pcm_std_chmaps; 867 break; 868 case 1: 869 strcpy(pcm->name, "EMU10K1X Rear"); 870 map = surround_map; 871 break; 872 case 2: 873 strcpy(pcm->name, "EMU10K1X Center/LFE"); 874 map = clfe_map; 875 break; 876 } 877 emu->pcm = pcm; 878 879 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 880 snd_dma_pci_data(emu->pci), 881 32*1024, 32*1024); 882 883 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2, 884 1 << 2, NULL); 885 } 886 887 static int snd_emu10k1x_create(struct snd_card *card, 888 struct pci_dev *pci, 889 struct emu10k1x **rchip) 890 { 891 struct emu10k1x *chip; 892 int err; 893 int ch; 894 static struct snd_device_ops ops = { 895 .dev_free = snd_emu10k1x_dev_free, 896 }; 897 898 *rchip = NULL; 899 900 if ((err = pci_enable_device(pci)) < 0) 901 return err; 902 if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 || 903 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) { 904 dev_err(card->dev, "error to set 28bit mask DMA\n"); 905 pci_disable_device(pci); 906 return -ENXIO; 907 } 908 909 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 910 if (chip == NULL) { 911 pci_disable_device(pci); 912 return -ENOMEM; 913 } 914 915 chip->card = card; 916 chip->pci = pci; 917 chip->irq = -1; 918 919 spin_lock_init(&chip->emu_lock); 920 spin_lock_init(&chip->voice_lock); 921 922 chip->port = pci_resource_start(pci, 0); 923 if ((chip->res_port = request_region(chip->port, 8, 924 "EMU10K1X")) == NULL) { 925 dev_err(card->dev, "cannot allocate the port 0x%lx\n", 926 chip->port); 927 snd_emu10k1x_free(chip); 928 return -EBUSY; 929 } 930 931 if (request_irq(pci->irq, snd_emu10k1x_interrupt, 932 IRQF_SHARED, KBUILD_MODNAME, chip)) { 933 dev_err(card->dev, "cannot grab irq %d\n", pci->irq); 934 snd_emu10k1x_free(chip); 935 return -EBUSY; 936 } 937 chip->irq = pci->irq; 938 939 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 940 4 * 1024, &chip->dma_buffer) < 0) { 941 snd_emu10k1x_free(chip); 942 return -ENOMEM; 943 } 944 945 pci_set_master(pci); 946 /* read revision & serial */ 947 chip->revision = pci->revision; 948 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial); 949 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model); 950 dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n", chip->model, 951 chip->revision, chip->serial); 952 953 outl(0, chip->port + INTE); 954 955 for(ch = 0; ch < 3; ch++) { 956 chip->voices[ch].emu = chip; 957 chip->voices[ch].number = ch; 958 } 959 960 /* 961 * Init to 0x02109204 : 962 * Clock accuracy = 0 (1000ppm) 963 * Sample Rate = 2 (48kHz) 964 * Audio Channel = 1 (Left of 2) 965 * Source Number = 0 (Unspecified) 966 * Generation Status = 1 (Original for Cat Code 12) 967 * Cat Code = 12 (Digital Signal Mixer) 968 * Mode = 0 (Mode 0) 969 * Emphasis = 0 (None) 970 * CP = 1 (Copyright unasserted) 971 * AN = 0 (Audio data) 972 * P = 0 (Consumer) 973 */ 974 snd_emu10k1x_ptr_write(chip, SPCS0, 0, 975 chip->spdif_bits[0] = 976 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 977 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 978 SPCS_GENERATIONSTATUS | 0x00001200 | 979 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 980 snd_emu10k1x_ptr_write(chip, SPCS1, 0, 981 chip->spdif_bits[1] = 982 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 983 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 984 SPCS_GENERATIONSTATUS | 0x00001200 | 985 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 986 snd_emu10k1x_ptr_write(chip, SPCS2, 0, 987 chip->spdif_bits[2] = 988 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 989 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 990 SPCS_GENERATIONSTATUS | 0x00001200 | 991 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 992 993 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF 994 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing 995 snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode 996 997 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); 998 999 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, 1000 chip, &ops)) < 0) { 1001 snd_emu10k1x_free(chip); 1002 return err; 1003 } 1004 *rchip = chip; 1005 return 0; 1006 } 1007 1008 static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry, 1009 struct snd_info_buffer *buffer) 1010 { 1011 struct emu10k1x *emu = entry->private_data; 1012 unsigned long value,value1,value2; 1013 unsigned long flags; 1014 int i; 1015 1016 snd_iprintf(buffer, "Registers:\n\n"); 1017 for(i = 0; i < 0x20; i+=4) { 1018 spin_lock_irqsave(&emu->emu_lock, flags); 1019 value = inl(emu->port + i); 1020 spin_unlock_irqrestore(&emu->emu_lock, flags); 1021 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value); 1022 } 1023 snd_iprintf(buffer, "\nRegisters\n\n"); 1024 for(i = 0; i <= 0x48; i++) { 1025 value = snd_emu10k1x_ptr_read(emu, i, 0); 1026 if(i < 0x10 || (i >= 0x20 && i < 0x40)) { 1027 value1 = snd_emu10k1x_ptr_read(emu, i, 1); 1028 value2 = snd_emu10k1x_ptr_read(emu, i, 2); 1029 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2); 1030 } else { 1031 snd_iprintf(buffer, "%02X: %08lX\n", i, value); 1032 } 1033 } 1034 } 1035 1036 static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry, 1037 struct snd_info_buffer *buffer) 1038 { 1039 struct emu10k1x *emu = entry->private_data; 1040 char line[64]; 1041 unsigned int reg, channel_id , val; 1042 1043 while (!snd_info_get_line(buffer, line, sizeof(line))) { 1044 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3) 1045 continue; 1046 1047 if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2) 1048 snd_emu10k1x_ptr_write(emu, reg, channel_id, val); 1049 } 1050 } 1051 1052 static int snd_emu10k1x_proc_init(struct emu10k1x *emu) 1053 { 1054 snd_card_rw_proc_new(emu->card, "emu10k1x_regs", emu, 1055 snd_emu10k1x_proc_reg_read, 1056 snd_emu10k1x_proc_reg_write); 1057 return 0; 1058 } 1059 1060 #define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info 1061 1062 static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol, 1063 struct snd_ctl_elem_value *ucontrol) 1064 { 1065 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1066 1067 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1; 1068 1069 return 0; 1070 } 1071 1072 static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, 1073 struct snd_ctl_elem_value *ucontrol) 1074 { 1075 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1076 unsigned int val; 1077 int change = 0; 1078 1079 val = ucontrol->value.integer.value[0] ; 1080 1081 if (val) { 1082 // enable spdif output 1083 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000); 1084 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700); 1085 snd_emu10k1x_gpio_write(emu, 0x1000); 1086 } else { 1087 // disable spdif output 1088 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700); 1089 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); 1090 snd_emu10k1x_gpio_write(emu, 0x1080); 1091 } 1092 return change; 1093 } 1094 1095 static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif = 1096 { 1097 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1098 .name = "Analog/Digital Output Jack", 1099 .info = snd_emu10k1x_shared_spdif_info, 1100 .get = snd_emu10k1x_shared_spdif_get, 1101 .put = snd_emu10k1x_shared_spdif_put 1102 }; 1103 1104 static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1105 { 1106 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 1107 uinfo->count = 1; 1108 return 0; 1109 } 1110 1111 static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol, 1112 struct snd_ctl_elem_value *ucontrol) 1113 { 1114 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1115 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1116 1117 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff; 1118 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff; 1119 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff; 1120 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff; 1121 return 0; 1122 } 1123 1124 static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol, 1125 struct snd_ctl_elem_value *ucontrol) 1126 { 1127 ucontrol->value.iec958.status[0] = 0xff; 1128 ucontrol->value.iec958.status[1] = 0xff; 1129 ucontrol->value.iec958.status[2] = 0xff; 1130 ucontrol->value.iec958.status[3] = 0xff; 1131 return 0; 1132 } 1133 1134 static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol, 1135 struct snd_ctl_elem_value *ucontrol) 1136 { 1137 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1138 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1139 int change; 1140 unsigned int val; 1141 1142 val = (ucontrol->value.iec958.status[0] << 0) | 1143 (ucontrol->value.iec958.status[1] << 8) | 1144 (ucontrol->value.iec958.status[2] << 16) | 1145 (ucontrol->value.iec958.status[3] << 24); 1146 change = val != emu->spdif_bits[idx]; 1147 if (change) { 1148 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val); 1149 emu->spdif_bits[idx] = val; 1150 } 1151 return change; 1152 } 1153 1154 static const struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control = 1155 { 1156 .access = SNDRV_CTL_ELEM_ACCESS_READ, 1157 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1158 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), 1159 .count = 3, 1160 .info = snd_emu10k1x_spdif_info, 1161 .get = snd_emu10k1x_spdif_get_mask 1162 }; 1163 1164 static const struct snd_kcontrol_new snd_emu10k1x_spdif_control = 1165 { 1166 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1167 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 1168 .count = 3, 1169 .info = snd_emu10k1x_spdif_info, 1170 .get = snd_emu10k1x_spdif_get, 1171 .put = snd_emu10k1x_spdif_put 1172 }; 1173 1174 static int snd_emu10k1x_mixer(struct emu10k1x *emu) 1175 { 1176 int err; 1177 struct snd_kcontrol *kctl; 1178 struct snd_card *card = emu->card; 1179 1180 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL) 1181 return -ENOMEM; 1182 if ((err = snd_ctl_add(card, kctl))) 1183 return err; 1184 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL) 1185 return -ENOMEM; 1186 if ((err = snd_ctl_add(card, kctl))) 1187 return err; 1188 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL) 1189 return -ENOMEM; 1190 if ((err = snd_ctl_add(card, kctl))) 1191 return err; 1192 1193 return 0; 1194 } 1195 1196 #define EMU10K1X_MIDI_MODE_INPUT (1<<0) 1197 #define EMU10K1X_MIDI_MODE_OUTPUT (1<<1) 1198 1199 static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx) 1200 { 1201 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0); 1202 } 1203 1204 static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx) 1205 { 1206 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data); 1207 } 1208 1209 #define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0) 1210 #define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1) 1211 #define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0) 1212 #define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1) 1213 1214 #define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80)) 1215 #define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40)) 1216 1217 #define MPU401_RESET 0xff 1218 #define MPU401_ENTER_UART 0x3f 1219 #define MPU401_ACK 0xfe 1220 1221 static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu) 1222 { 1223 int timeout = 100000; 1224 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--) 1225 mpu401_read_data(emu, mpu); 1226 #ifdef CONFIG_SND_DEBUG 1227 if (timeout <= 0) 1228 dev_err(emu->card->dev, 1229 "cmd: clear rx timeout (status = 0x%x)\n", 1230 mpu401_read_stat(emu, mpu)); 1231 #endif 1232 } 1233 1234 /* 1235 1236 */ 1237 1238 static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu, 1239 struct emu10k1x_midi *midi, unsigned int status) 1240 { 1241 unsigned char byte; 1242 1243 if (midi->rmidi == NULL) { 1244 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable); 1245 return; 1246 } 1247 1248 spin_lock(&midi->input_lock); 1249 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) { 1250 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1251 mpu401_clear_rx(emu, midi); 1252 } else { 1253 byte = mpu401_read_data(emu, midi); 1254 if (midi->substream_input) 1255 snd_rawmidi_receive(midi->substream_input, &byte, 1); 1256 } 1257 } 1258 spin_unlock(&midi->input_lock); 1259 1260 spin_lock(&midi->output_lock); 1261 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) { 1262 if (midi->substream_output && 1263 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) { 1264 mpu401_write_data(emu, midi, byte); 1265 } else { 1266 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1267 } 1268 } 1269 spin_unlock(&midi->output_lock); 1270 } 1271 1272 static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status) 1273 { 1274 do_emu10k1x_midi_interrupt(emu, &emu->midi, status); 1275 } 1276 1277 static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu, 1278 struct emu10k1x_midi *midi, unsigned char cmd, int ack) 1279 { 1280 unsigned long flags; 1281 int timeout, ok; 1282 1283 spin_lock_irqsave(&midi->input_lock, flags); 1284 mpu401_write_data(emu, midi, 0x00); 1285 /* mpu401_clear_rx(emu, midi); */ 1286 1287 mpu401_write_cmd(emu, midi, cmd); 1288 if (ack) { 1289 ok = 0; 1290 timeout = 10000; 1291 while (!ok && timeout-- > 0) { 1292 if (mpu401_input_avail(emu, midi)) { 1293 if (mpu401_read_data(emu, midi) == MPU401_ACK) 1294 ok = 1; 1295 } 1296 } 1297 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK) 1298 ok = 1; 1299 } else { 1300 ok = 1; 1301 } 1302 spin_unlock_irqrestore(&midi->input_lock, flags); 1303 if (!ok) { 1304 dev_err(emu->card->dev, 1305 "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n", 1306 cmd, emu->port, 1307 mpu401_read_stat(emu, midi), 1308 mpu401_read_data(emu, midi)); 1309 return 1; 1310 } 1311 return 0; 1312 } 1313 1314 static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream) 1315 { 1316 struct emu10k1x *emu; 1317 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1318 unsigned long flags; 1319 1320 emu = midi->emu; 1321 if (snd_BUG_ON(!emu)) 1322 return -ENXIO; 1323 spin_lock_irqsave(&midi->open_lock, flags); 1324 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; 1325 midi->substream_input = substream; 1326 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1327 spin_unlock_irqrestore(&midi->open_lock, flags); 1328 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) 1329 goto error_out; 1330 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) 1331 goto error_out; 1332 } else { 1333 spin_unlock_irqrestore(&midi->open_lock, flags); 1334 } 1335 return 0; 1336 1337 error_out: 1338 return -EIO; 1339 } 1340 1341 static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream) 1342 { 1343 struct emu10k1x *emu; 1344 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1345 unsigned long flags; 1346 1347 emu = midi->emu; 1348 if (snd_BUG_ON(!emu)) 1349 return -ENXIO; 1350 spin_lock_irqsave(&midi->open_lock, flags); 1351 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; 1352 midi->substream_output = substream; 1353 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1354 spin_unlock_irqrestore(&midi->open_lock, flags); 1355 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) 1356 goto error_out; 1357 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) 1358 goto error_out; 1359 } else { 1360 spin_unlock_irqrestore(&midi->open_lock, flags); 1361 } 1362 return 0; 1363 1364 error_out: 1365 return -EIO; 1366 } 1367 1368 static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream) 1369 { 1370 struct emu10k1x *emu; 1371 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1372 unsigned long flags; 1373 int err = 0; 1374 1375 emu = midi->emu; 1376 if (snd_BUG_ON(!emu)) 1377 return -ENXIO; 1378 spin_lock_irqsave(&midi->open_lock, flags); 1379 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1380 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; 1381 midi->substream_input = NULL; 1382 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1383 spin_unlock_irqrestore(&midi->open_lock, flags); 1384 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1385 } else { 1386 spin_unlock_irqrestore(&midi->open_lock, flags); 1387 } 1388 return err; 1389 } 1390 1391 static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream) 1392 { 1393 struct emu10k1x *emu; 1394 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1395 unsigned long flags; 1396 int err = 0; 1397 1398 emu = midi->emu; 1399 if (snd_BUG_ON(!emu)) 1400 return -ENXIO; 1401 spin_lock_irqsave(&midi->open_lock, flags); 1402 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1403 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; 1404 midi->substream_output = NULL; 1405 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1406 spin_unlock_irqrestore(&midi->open_lock, flags); 1407 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1408 } else { 1409 spin_unlock_irqrestore(&midi->open_lock, flags); 1410 } 1411 return err; 1412 } 1413 1414 static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) 1415 { 1416 struct emu10k1x *emu; 1417 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1418 emu = midi->emu; 1419 if (snd_BUG_ON(!emu)) 1420 return; 1421 1422 if (up) 1423 snd_emu10k1x_intr_enable(emu, midi->rx_enable); 1424 else 1425 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1426 } 1427 1428 static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) 1429 { 1430 struct emu10k1x *emu; 1431 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1432 unsigned long flags; 1433 1434 emu = midi->emu; 1435 if (snd_BUG_ON(!emu)) 1436 return; 1437 1438 if (up) { 1439 int max = 4; 1440 unsigned char byte; 1441 1442 /* try to send some amount of bytes here before interrupts */ 1443 spin_lock_irqsave(&midi->output_lock, flags); 1444 while (max > 0) { 1445 if (mpu401_output_ready(emu, midi)) { 1446 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) || 1447 snd_rawmidi_transmit(substream, &byte, 1) != 1) { 1448 /* no more data */ 1449 spin_unlock_irqrestore(&midi->output_lock, flags); 1450 return; 1451 } 1452 mpu401_write_data(emu, midi, byte); 1453 max--; 1454 } else { 1455 break; 1456 } 1457 } 1458 spin_unlock_irqrestore(&midi->output_lock, flags); 1459 snd_emu10k1x_intr_enable(emu, midi->tx_enable); 1460 } else { 1461 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1462 } 1463 } 1464 1465 /* 1466 1467 */ 1468 1469 static const struct snd_rawmidi_ops snd_emu10k1x_midi_output = 1470 { 1471 .open = snd_emu10k1x_midi_output_open, 1472 .close = snd_emu10k1x_midi_output_close, 1473 .trigger = snd_emu10k1x_midi_output_trigger, 1474 }; 1475 1476 static const struct snd_rawmidi_ops snd_emu10k1x_midi_input = 1477 { 1478 .open = snd_emu10k1x_midi_input_open, 1479 .close = snd_emu10k1x_midi_input_close, 1480 .trigger = snd_emu10k1x_midi_input_trigger, 1481 }; 1482 1483 static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi) 1484 { 1485 struct emu10k1x_midi *midi = rmidi->private_data; 1486 midi->interrupt = NULL; 1487 midi->rmidi = NULL; 1488 } 1489 1490 static int emu10k1x_midi_init(struct emu10k1x *emu, 1491 struct emu10k1x_midi *midi, int device, 1492 char *name) 1493 { 1494 struct snd_rawmidi *rmidi; 1495 int err; 1496 1497 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0) 1498 return err; 1499 midi->emu = emu; 1500 spin_lock_init(&midi->open_lock); 1501 spin_lock_init(&midi->input_lock); 1502 spin_lock_init(&midi->output_lock); 1503 strcpy(rmidi->name, name); 1504 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output); 1505 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input); 1506 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | 1507 SNDRV_RAWMIDI_INFO_INPUT | 1508 SNDRV_RAWMIDI_INFO_DUPLEX; 1509 rmidi->private_data = midi; 1510 rmidi->private_free = snd_emu10k1x_midi_free; 1511 midi->rmidi = rmidi; 1512 return 0; 1513 } 1514 1515 static int snd_emu10k1x_midi(struct emu10k1x *emu) 1516 { 1517 struct emu10k1x_midi *midi = &emu->midi; 1518 int err; 1519 1520 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0) 1521 return err; 1522 1523 midi->tx_enable = INTE_MIDITXENABLE; 1524 midi->rx_enable = INTE_MIDIRXENABLE; 1525 midi->port = MUDATA; 1526 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY; 1527 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY; 1528 midi->interrupt = snd_emu10k1x_midi_interrupt; 1529 return 0; 1530 } 1531 1532 static int snd_emu10k1x_probe(struct pci_dev *pci, 1533 const struct pci_device_id *pci_id) 1534 { 1535 static int dev; 1536 struct snd_card *card; 1537 struct emu10k1x *chip; 1538 int err; 1539 1540 if (dev >= SNDRV_CARDS) 1541 return -ENODEV; 1542 if (!enable[dev]) { 1543 dev++; 1544 return -ENOENT; 1545 } 1546 1547 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 1548 0, &card); 1549 if (err < 0) 1550 return err; 1551 1552 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) { 1553 snd_card_free(card); 1554 return err; 1555 } 1556 1557 if ((err = snd_emu10k1x_pcm(chip, 0)) < 0) { 1558 snd_card_free(card); 1559 return err; 1560 } 1561 if ((err = snd_emu10k1x_pcm(chip, 1)) < 0) { 1562 snd_card_free(card); 1563 return err; 1564 } 1565 if ((err = snd_emu10k1x_pcm(chip, 2)) < 0) { 1566 snd_card_free(card); 1567 return err; 1568 } 1569 1570 if ((err = snd_emu10k1x_ac97(chip)) < 0) { 1571 snd_card_free(card); 1572 return err; 1573 } 1574 1575 if ((err = snd_emu10k1x_mixer(chip)) < 0) { 1576 snd_card_free(card); 1577 return err; 1578 } 1579 1580 if ((err = snd_emu10k1x_midi(chip)) < 0) { 1581 snd_card_free(card); 1582 return err; 1583 } 1584 1585 snd_emu10k1x_proc_init(chip); 1586 1587 strcpy(card->driver, "EMU10K1X"); 1588 strcpy(card->shortname, "Dell Sound Blaster Live!"); 1589 sprintf(card->longname, "%s at 0x%lx irq %i", 1590 card->shortname, chip->port, chip->irq); 1591 1592 if ((err = snd_card_register(card)) < 0) { 1593 snd_card_free(card); 1594 return err; 1595 } 1596 1597 pci_set_drvdata(pci, card); 1598 dev++; 1599 return 0; 1600 } 1601 1602 static void snd_emu10k1x_remove(struct pci_dev *pci) 1603 { 1604 snd_card_free(pci_get_drvdata(pci)); 1605 } 1606 1607 // PCI IDs 1608 static const struct pci_device_id snd_emu10k1x_ids[] = { 1609 { PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */ 1610 { 0, } 1611 }; 1612 MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); 1613 1614 // pci_driver definition 1615 static struct pci_driver emu10k1x_driver = { 1616 .name = KBUILD_MODNAME, 1617 .id_table = snd_emu10k1x_ids, 1618 .probe = snd_emu10k1x_probe, 1619 .remove = snd_emu10k1x_remove, 1620 }; 1621 1622 module_pci_driver(emu10k1x_driver); 1623