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 <sound/driver.h> 33 #include <linux/init.h> 34 #include <linux/interrupt.h> 35 #include <linux/pci.h> 36 #include <linux/slab.h> 37 #include <linux/moduleparam.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 int 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 addresss */ 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 chanel 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 typedef struct snd_emu10k1x_voice emu10k1x_voice_t; 199 typedef struct snd_emu10k1x emu10k1x_t; 200 typedef struct snd_emu10k1x_pcm emu10k1x_pcm_t; 201 202 struct snd_emu10k1x_voice { 203 emu10k1x_t *emu; 204 int number; 205 int use; 206 207 emu10k1x_pcm_t *epcm; 208 }; 209 210 struct snd_emu10k1x_pcm { 211 emu10k1x_t *emu; 212 snd_pcm_substream_t *substream; 213 emu10k1x_voice_t *voice; 214 unsigned short running; 215 }; 216 217 typedef struct { 218 struct snd_emu10k1x *emu; 219 snd_rawmidi_t *rmidi; 220 snd_rawmidi_substream_t *substream_input; 221 snd_rawmidi_substream_t *substream_output; 222 unsigned int midi_mode; 223 spinlock_t input_lock; 224 spinlock_t output_lock; 225 spinlock_t open_lock; 226 int tx_enable, rx_enable; 227 int port; 228 int ipr_tx, ipr_rx; 229 void (*interrupt)(emu10k1x_t *emu, unsigned int status); 230 } emu10k1x_midi_t; 231 232 // definition of the chip-specific record 233 struct snd_emu10k1x { 234 snd_card_t *card; 235 struct pci_dev *pci; 236 237 unsigned long port; 238 struct resource *res_port; 239 int irq; 240 241 unsigned int revision; /* chip revision */ 242 unsigned int serial; /* serial number */ 243 unsigned short model; /* subsystem id */ 244 245 spinlock_t emu_lock; 246 spinlock_t voice_lock; 247 248 ac97_t *ac97; 249 snd_pcm_t *pcm; 250 251 emu10k1x_voice_t voices[3]; 252 emu10k1x_voice_t capture_voice; 253 u32 spdif_bits[3]; // SPDIF out setup 254 255 struct snd_dma_buffer dma_buffer; 256 257 emu10k1x_midi_t midi; 258 }; 259 260 /* hardware definition */ 261 static snd_pcm_hardware_t snd_emu10k1x_playback_hw = { 262 .info = (SNDRV_PCM_INFO_MMAP | 263 SNDRV_PCM_INFO_INTERLEAVED | 264 SNDRV_PCM_INFO_BLOCK_TRANSFER | 265 SNDRV_PCM_INFO_MMAP_VALID), 266 .formats = SNDRV_PCM_FMTBIT_S16_LE, 267 .rates = SNDRV_PCM_RATE_48000, 268 .rate_min = 48000, 269 .rate_max = 48000, 270 .channels_min = 2, 271 .channels_max = 2, 272 .buffer_bytes_max = (32*1024), 273 .period_bytes_min = 64, 274 .period_bytes_max = (16*1024), 275 .periods_min = 2, 276 .periods_max = 8, 277 .fifo_size = 0, 278 }; 279 280 static snd_pcm_hardware_t snd_emu10k1x_capture_hw = { 281 .info = (SNDRV_PCM_INFO_MMAP | 282 SNDRV_PCM_INFO_INTERLEAVED | 283 SNDRV_PCM_INFO_BLOCK_TRANSFER | 284 SNDRV_PCM_INFO_MMAP_VALID), 285 .formats = SNDRV_PCM_FMTBIT_S16_LE, 286 .rates = SNDRV_PCM_RATE_48000, 287 .rate_min = 48000, 288 .rate_max = 48000, 289 .channels_min = 2, 290 .channels_max = 2, 291 .buffer_bytes_max = (32*1024), 292 .period_bytes_min = 64, 293 .period_bytes_max = (16*1024), 294 .periods_min = 2, 295 .periods_max = 2, 296 .fifo_size = 0, 297 }; 298 299 static unsigned int snd_emu10k1x_ptr_read(emu10k1x_t * emu, 300 unsigned int reg, 301 unsigned int chn) 302 { 303 unsigned long flags; 304 unsigned int regptr, val; 305 306 regptr = (reg << 16) | chn; 307 308 spin_lock_irqsave(&emu->emu_lock, flags); 309 outl(regptr, emu->port + PTR); 310 val = inl(emu->port + DATA); 311 spin_unlock_irqrestore(&emu->emu_lock, flags); 312 return val; 313 } 314 315 static void snd_emu10k1x_ptr_write(emu10k1x_t *emu, 316 unsigned int reg, 317 unsigned int chn, 318 unsigned int data) 319 { 320 unsigned int regptr; 321 unsigned long flags; 322 323 regptr = (reg << 16) | chn; 324 325 spin_lock_irqsave(&emu->emu_lock, flags); 326 outl(regptr, emu->port + PTR); 327 outl(data, emu->port + DATA); 328 spin_unlock_irqrestore(&emu->emu_lock, flags); 329 } 330 331 static void snd_emu10k1x_intr_enable(emu10k1x_t *emu, unsigned int intrenb) 332 { 333 unsigned long flags; 334 unsigned int enable; 335 336 spin_lock_irqsave(&emu->emu_lock, flags); 337 enable = inl(emu->port + INTE) | intrenb; 338 outl(enable, emu->port + INTE); 339 spin_unlock_irqrestore(&emu->emu_lock, flags); 340 } 341 342 static void snd_emu10k1x_intr_disable(emu10k1x_t *emu, unsigned int intrenb) 343 { 344 unsigned long flags; 345 unsigned int enable; 346 347 spin_lock_irqsave(&emu->emu_lock, flags); 348 enable = inl(emu->port + INTE) & ~intrenb; 349 outl(enable, emu->port + INTE); 350 spin_unlock_irqrestore(&emu->emu_lock, flags); 351 } 352 353 static void snd_emu10k1x_gpio_write(emu10k1x_t *emu, unsigned int value) 354 { 355 unsigned long flags; 356 357 spin_lock_irqsave(&emu->emu_lock, flags); 358 outl(value, emu->port + GPIO); 359 spin_unlock_irqrestore(&emu->emu_lock, flags); 360 } 361 362 static void snd_emu10k1x_pcm_free_substream(snd_pcm_runtime_t *runtime) 363 { 364 emu10k1x_pcm_t *epcm = runtime->private_data; 365 366 if (epcm) 367 kfree(epcm); 368 } 369 370 static void snd_emu10k1x_pcm_interrupt(emu10k1x_t *emu, emu10k1x_voice_t *voice) 371 { 372 emu10k1x_pcm_t *epcm; 373 374 if ((epcm = voice->epcm) == NULL) 375 return; 376 if (epcm->substream == NULL) 377 return; 378 #if 0 379 snd_printk(KERN_INFO "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 380 epcm->substream->ops->pointer(epcm->substream), 381 snd_pcm_lib_period_bytes(epcm->substream), 382 snd_pcm_lib_buffer_bytes(epcm->substream)); 383 #endif 384 snd_pcm_period_elapsed(epcm->substream); 385 } 386 387 /* open callback */ 388 static int snd_emu10k1x_playback_open(snd_pcm_substream_t *substream) 389 { 390 emu10k1x_t *chip = snd_pcm_substream_chip(substream); 391 emu10k1x_pcm_t *epcm; 392 snd_pcm_runtime_t *runtime = substream->runtime; 393 int err; 394 395 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 396 return err; 397 } 398 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 399 return err; 400 401 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); 402 if (epcm == NULL) 403 return -ENOMEM; 404 epcm->emu = chip; 405 epcm->substream = substream; 406 407 runtime->private_data = epcm; 408 runtime->private_free = snd_emu10k1x_pcm_free_substream; 409 410 runtime->hw = snd_emu10k1x_playback_hw; 411 412 return 0; 413 } 414 415 /* close callback */ 416 static int snd_emu10k1x_playback_close(snd_pcm_substream_t *substream) 417 { 418 return 0; 419 } 420 421 /* hw_params callback */ 422 static int snd_emu10k1x_pcm_hw_params(snd_pcm_substream_t *substream, 423 snd_pcm_hw_params_t * hw_params) 424 { 425 snd_pcm_runtime_t *runtime = substream->runtime; 426 emu10k1x_pcm_t *epcm = runtime->private_data; 427 428 if (! epcm->voice) { 429 epcm->voice = &epcm->emu->voices[substream->pcm->device]; 430 epcm->voice->use = 1; 431 epcm->voice->epcm = epcm; 432 } 433 434 return snd_pcm_lib_malloc_pages(substream, 435 params_buffer_bytes(hw_params)); 436 } 437 438 /* hw_free callback */ 439 static int snd_emu10k1x_pcm_hw_free(snd_pcm_substream_t *substream) 440 { 441 snd_pcm_runtime_t *runtime = substream->runtime; 442 emu10k1x_pcm_t *epcm; 443 444 if (runtime->private_data == NULL) 445 return 0; 446 447 epcm = runtime->private_data; 448 449 if (epcm->voice) { 450 epcm->voice->use = 0; 451 epcm->voice->epcm = NULL; 452 epcm->voice = NULL; 453 } 454 455 return snd_pcm_lib_free_pages(substream); 456 } 457 458 /* prepare callback */ 459 static int snd_emu10k1x_pcm_prepare(snd_pcm_substream_t *substream) 460 { 461 emu10k1x_t *emu = snd_pcm_substream_chip(substream); 462 snd_pcm_runtime_t *runtime = substream->runtime; 463 emu10k1x_pcm_t *epcm = runtime->private_data; 464 int voice = epcm->voice->number; 465 u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice); 466 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size); 467 int i; 468 469 for(i=0; i < runtime->periods; i++) { 470 *table_base++=runtime->dma_addr+(i*period_size_bytes); 471 *table_base++=period_size_bytes<<16; 472 } 473 474 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice); 475 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19); 476 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0); 477 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0); 478 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0); 479 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0); 480 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr); 481 482 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16); 483 484 return 0; 485 } 486 487 /* trigger callback */ 488 static int snd_emu10k1x_pcm_trigger(snd_pcm_substream_t *substream, 489 int cmd) 490 { 491 emu10k1x_t *emu = snd_pcm_substream_chip(substream); 492 snd_pcm_runtime_t *runtime = substream->runtime; 493 emu10k1x_pcm_t *epcm = runtime->private_data; 494 int channel = epcm->voice->number; 495 int result = 0; 496 497 // snd_printk(KERN_INFO "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", (int)emu, cmd, (int)substream->ops->pointer(substream)); 498 499 switch (cmd) { 500 case SNDRV_PCM_TRIGGER_START: 501 if(runtime->periods == 2) 502 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 503 else 504 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); 505 epcm->running = 1; 506 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel)); 507 break; 508 case SNDRV_PCM_TRIGGER_STOP: 509 epcm->running = 0; 510 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 511 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel)); 512 break; 513 default: 514 result = -EINVAL; 515 break; 516 } 517 return result; 518 } 519 520 /* pointer callback */ 521 static snd_pcm_uframes_t 522 snd_emu10k1x_pcm_pointer(snd_pcm_substream_t *substream) 523 { 524 emu10k1x_t *emu = snd_pcm_substream_chip(substream); 525 snd_pcm_runtime_t *runtime = substream->runtime; 526 emu10k1x_pcm_t *epcm = runtime->private_data; 527 int channel = epcm->voice->number; 528 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0; 529 530 if (!epcm->running) 531 return 0; 532 533 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 534 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 535 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 536 537 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size)) 538 return 0; 539 540 if (ptr3 != ptr4) 541 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 542 ptr2 = bytes_to_frames(runtime, ptr1); 543 ptr2 += (ptr4 >> 3) * runtime->period_size; 544 ptr = ptr2; 545 546 if (ptr >= runtime->buffer_size) 547 ptr -= runtime->buffer_size; 548 549 return ptr; 550 } 551 552 /* operators */ 553 static snd_pcm_ops_t snd_emu10k1x_playback_ops = { 554 .open = snd_emu10k1x_playback_open, 555 .close = snd_emu10k1x_playback_close, 556 .ioctl = snd_pcm_lib_ioctl, 557 .hw_params = snd_emu10k1x_pcm_hw_params, 558 .hw_free = snd_emu10k1x_pcm_hw_free, 559 .prepare = snd_emu10k1x_pcm_prepare, 560 .trigger = snd_emu10k1x_pcm_trigger, 561 .pointer = snd_emu10k1x_pcm_pointer, 562 }; 563 564 /* open_capture callback */ 565 static int snd_emu10k1x_pcm_open_capture(snd_pcm_substream_t *substream) 566 { 567 emu10k1x_t *chip = snd_pcm_substream_chip(substream); 568 emu10k1x_pcm_t *epcm; 569 snd_pcm_runtime_t *runtime = substream->runtime; 570 int err; 571 572 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 573 return err; 574 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 575 return err; 576 577 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); 578 if (epcm == NULL) 579 return -ENOMEM; 580 581 epcm->emu = chip; 582 epcm->substream = substream; 583 584 runtime->private_data = epcm; 585 runtime->private_free = snd_emu10k1x_pcm_free_substream; 586 587 runtime->hw = snd_emu10k1x_capture_hw; 588 589 return 0; 590 } 591 592 /* close callback */ 593 static int snd_emu10k1x_pcm_close_capture(snd_pcm_substream_t *substream) 594 { 595 return 0; 596 } 597 598 /* hw_params callback */ 599 static int snd_emu10k1x_pcm_hw_params_capture(snd_pcm_substream_t *substream, 600 snd_pcm_hw_params_t * hw_params) 601 { 602 snd_pcm_runtime_t *runtime = substream->runtime; 603 emu10k1x_pcm_t *epcm = runtime->private_data; 604 605 if (! epcm->voice) { 606 if (epcm->emu->capture_voice.use) 607 return -EBUSY; 608 epcm->voice = &epcm->emu->capture_voice; 609 epcm->voice->epcm = epcm; 610 epcm->voice->use = 1; 611 } 612 613 return snd_pcm_lib_malloc_pages(substream, 614 params_buffer_bytes(hw_params)); 615 } 616 617 /* hw_free callback */ 618 static int snd_emu10k1x_pcm_hw_free_capture(snd_pcm_substream_t *substream) 619 { 620 snd_pcm_runtime_t *runtime = substream->runtime; 621 622 emu10k1x_pcm_t *epcm; 623 624 if (runtime->private_data == NULL) 625 return 0; 626 epcm = runtime->private_data; 627 628 if (epcm->voice) { 629 epcm->voice->use = 0; 630 epcm->voice->epcm = NULL; 631 epcm->voice = NULL; 632 } 633 634 return snd_pcm_lib_free_pages(substream); 635 } 636 637 /* prepare capture callback */ 638 static int snd_emu10k1x_pcm_prepare_capture(snd_pcm_substream_t *substream) 639 { 640 emu10k1x_t *emu = snd_pcm_substream_chip(substream); 641 snd_pcm_runtime_t *runtime = substream->runtime; 642 643 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr); 644 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes 645 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0); 646 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0); 647 648 return 0; 649 } 650 651 /* trigger_capture callback */ 652 static int snd_emu10k1x_pcm_trigger_capture(snd_pcm_substream_t *substream, 653 int cmd) 654 { 655 emu10k1x_t *emu = snd_pcm_substream_chip(substream); 656 snd_pcm_runtime_t *runtime = substream->runtime; 657 emu10k1x_pcm_t *epcm = runtime->private_data; 658 int result = 0; 659 660 switch (cmd) { 661 case SNDRV_PCM_TRIGGER_START: 662 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP | 663 INTE_CAP_0_HALF_LOOP); 664 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE); 665 epcm->running = 1; 666 break; 667 case SNDRV_PCM_TRIGGER_STOP: 668 epcm->running = 0; 669 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP | 670 INTE_CAP_0_HALF_LOOP); 671 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE)); 672 break; 673 default: 674 result = -EINVAL; 675 break; 676 } 677 return result; 678 } 679 680 /* pointer_capture callback */ 681 static snd_pcm_uframes_t 682 snd_emu10k1x_pcm_pointer_capture(snd_pcm_substream_t *substream) 683 { 684 emu10k1x_t *emu = snd_pcm_substream_chip(substream); 685 snd_pcm_runtime_t *runtime = substream->runtime; 686 emu10k1x_pcm_t *epcm = runtime->private_data; 687 snd_pcm_uframes_t ptr; 688 689 if (!epcm->running) 690 return 0; 691 692 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0)); 693 if (ptr >= runtime->buffer_size) 694 ptr -= runtime->buffer_size; 695 696 return ptr; 697 } 698 699 static snd_pcm_ops_t snd_emu10k1x_capture_ops = { 700 .open = snd_emu10k1x_pcm_open_capture, 701 .close = snd_emu10k1x_pcm_close_capture, 702 .ioctl = snd_pcm_lib_ioctl, 703 .hw_params = snd_emu10k1x_pcm_hw_params_capture, 704 .hw_free = snd_emu10k1x_pcm_hw_free_capture, 705 .prepare = snd_emu10k1x_pcm_prepare_capture, 706 .trigger = snd_emu10k1x_pcm_trigger_capture, 707 .pointer = snd_emu10k1x_pcm_pointer_capture, 708 }; 709 710 static unsigned short snd_emu10k1x_ac97_read(ac97_t *ac97, 711 unsigned short reg) 712 { 713 emu10k1x_t *emu = ac97->private_data; 714 unsigned long flags; 715 unsigned short val; 716 717 spin_lock_irqsave(&emu->emu_lock, flags); 718 outb(reg, emu->port + AC97ADDRESS); 719 val = inw(emu->port + AC97DATA); 720 spin_unlock_irqrestore(&emu->emu_lock, flags); 721 return val; 722 } 723 724 static void snd_emu10k1x_ac97_write(ac97_t *ac97, 725 unsigned short reg, unsigned short val) 726 { 727 emu10k1x_t *emu = ac97->private_data; 728 unsigned long flags; 729 730 spin_lock_irqsave(&emu->emu_lock, flags); 731 outb(reg, emu->port + AC97ADDRESS); 732 outw(val, emu->port + AC97DATA); 733 spin_unlock_irqrestore(&emu->emu_lock, flags); 734 } 735 736 static int snd_emu10k1x_ac97(emu10k1x_t *chip) 737 { 738 ac97_bus_t *pbus; 739 ac97_template_t ac97; 740 int err; 741 static ac97_bus_ops_t ops = { 742 .write = snd_emu10k1x_ac97_write, 743 .read = snd_emu10k1x_ac97_read, 744 }; 745 746 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0) 747 return err; 748 pbus->no_vra = 1; /* we don't need VRA */ 749 750 memset(&ac97, 0, sizeof(ac97)); 751 ac97.private_data = chip; 752 ac97.scaps = AC97_SCAP_NO_SPDIF; 753 return snd_ac97_mixer(pbus, &ac97, &chip->ac97); 754 } 755 756 static int snd_emu10k1x_free(emu10k1x_t *chip) 757 { 758 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0); 759 // disable interrupts 760 outl(0, chip->port + INTE); 761 // disable audio 762 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); 763 764 // release the i/o port 765 if (chip->res_port) { 766 release_resource(chip->res_port); 767 kfree_nocheck(chip->res_port); 768 } 769 // release the irq 770 if (chip->irq >= 0) 771 free_irq(chip->irq, (void *)chip); 772 773 // release the DMA 774 if (chip->dma_buffer.area) { 775 snd_dma_free_pages(&chip->dma_buffer); 776 } 777 778 pci_disable_device(chip->pci); 779 780 // release the data 781 kfree(chip); 782 return 0; 783 } 784 785 static int snd_emu10k1x_dev_free(snd_device_t *device) 786 { 787 emu10k1x_t *chip = device->device_data; 788 return snd_emu10k1x_free(chip); 789 } 790 791 static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id, 792 struct pt_regs *regs) 793 { 794 unsigned int status; 795 796 emu10k1x_t *chip = dev_id; 797 emu10k1x_voice_t *pvoice = chip->voices; 798 int i; 799 int mask; 800 801 status = inl(chip->port + IPR); 802 803 if(status) { 804 // capture interrupt 805 if(status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) { 806 emu10k1x_voice_t *pvoice = &chip->capture_voice; 807 if(pvoice->use) 808 snd_emu10k1x_pcm_interrupt(chip, pvoice); 809 else 810 snd_emu10k1x_intr_disable(chip, 811 INTE_CAP_0_LOOP | 812 INTE_CAP_0_HALF_LOOP); 813 } 814 815 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP; 816 for(i = 0; i < 3; i++) { 817 if(status & mask) { 818 if(pvoice->use) 819 snd_emu10k1x_pcm_interrupt(chip, pvoice); 820 else 821 snd_emu10k1x_intr_disable(chip, mask); 822 } 823 pvoice++; 824 mask <<= 1; 825 } 826 827 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) { 828 if (chip->midi.interrupt) 829 chip->midi.interrupt(chip, status); 830 else 831 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE); 832 } 833 834 // acknowledge the interrupt if necessary 835 if(status) 836 outl(status, chip->port+IPR); 837 838 // snd_printk(KERN_INFO "interrupt %08x\n", status); 839 } 840 841 return IRQ_HANDLED; 842 } 843 844 static void snd_emu10k1x_pcm_free(snd_pcm_t *pcm) 845 { 846 emu10k1x_t *emu = pcm->private_data; 847 emu->pcm = NULL; 848 snd_pcm_lib_preallocate_free_for_all(pcm); 849 } 850 851 static int __devinit snd_emu10k1x_pcm(emu10k1x_t *emu, int device, snd_pcm_t **rpcm) 852 { 853 snd_pcm_t *pcm; 854 int err; 855 int capture = 0; 856 857 if (rpcm) 858 *rpcm = NULL; 859 if (device == 0) 860 capture = 1; 861 862 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0) 863 return err; 864 865 pcm->private_data = emu; 866 pcm->private_free = snd_emu10k1x_pcm_free; 867 868 switch(device) { 869 case 0: 870 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 871 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops); 872 break; 873 case 1: 874 case 2: 875 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 876 break; 877 } 878 879 pcm->info_flags = 0; 880 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 881 switch(device) { 882 case 0: 883 strcpy(pcm->name, "EMU10K1X Front"); 884 break; 885 case 1: 886 strcpy(pcm->name, "EMU10K1X Rear"); 887 break; 888 case 2: 889 strcpy(pcm->name, "EMU10K1X Center/LFE"); 890 break; 891 } 892 emu->pcm = pcm; 893 894 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 895 snd_dma_pci_data(emu->pci), 896 32*1024, 32*1024); 897 898 if (rpcm) 899 *rpcm = pcm; 900 901 return 0; 902 } 903 904 static int __devinit snd_emu10k1x_create(snd_card_t *card, 905 struct pci_dev *pci, 906 emu10k1x_t **rchip) 907 { 908 emu10k1x_t *chip; 909 int err; 910 int ch; 911 static snd_device_ops_t ops = { 912 .dev_free = snd_emu10k1x_dev_free, 913 }; 914 915 *rchip = NULL; 916 917 if ((err = pci_enable_device(pci)) < 0) 918 return err; 919 if (pci_set_dma_mask(pci, 0x0fffffff) < 0 || 920 pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) { 921 snd_printk(KERN_ERR "error to set 28bit mask DMA\n"); 922 pci_disable_device(pci); 923 return -ENXIO; 924 } 925 926 chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); 927 if (chip == NULL) { 928 pci_disable_device(pci); 929 return -ENOMEM; 930 } 931 932 chip->card = card; 933 chip->pci = pci; 934 chip->irq = -1; 935 936 spin_lock_init(&chip->emu_lock); 937 spin_lock_init(&chip->voice_lock); 938 939 chip->port = pci_resource_start(pci, 0); 940 if ((chip->res_port = request_region(chip->port, 8, 941 "EMU10K1X")) == NULL) { 942 snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port); 943 snd_emu10k1x_free(chip); 944 return -EBUSY; 945 } 946 947 if (request_irq(pci->irq, snd_emu10k1x_interrupt, 948 SA_INTERRUPT|SA_SHIRQ, "EMU10K1X", 949 (void *)chip)) { 950 snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq); 951 snd_emu10k1x_free(chip); 952 return -EBUSY; 953 } 954 chip->irq = pci->irq; 955 956 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 957 4 * 1024, &chip->dma_buffer) < 0) { 958 snd_emu10k1x_free(chip); 959 return -ENOMEM; 960 } 961 962 pci_set_master(pci); 963 /* read revision & serial */ 964 pci_read_config_byte(pci, PCI_REVISION_ID, (char *)&chip->revision); 965 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial); 966 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model); 967 snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model, 968 chip->revision, chip->serial); 969 970 outl(0, chip->port + INTE); 971 972 for(ch = 0; ch < 3; ch++) { 973 chip->voices[ch].emu = chip; 974 chip->voices[ch].number = ch; 975 } 976 977 /* 978 * Init to 0x02109204 : 979 * Clock accuracy = 0 (1000ppm) 980 * Sample Rate = 2 (48kHz) 981 * Audio Channel = 1 (Left of 2) 982 * Source Number = 0 (Unspecified) 983 * Generation Status = 1 (Original for Cat Code 12) 984 * Cat Code = 12 (Digital Signal Mixer) 985 * Mode = 0 (Mode 0) 986 * Emphasis = 0 (None) 987 * CP = 1 (Copyright unasserted) 988 * AN = 0 (Audio data) 989 * P = 0 (Consumer) 990 */ 991 snd_emu10k1x_ptr_write(chip, SPCS0, 0, 992 chip->spdif_bits[0] = 993 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 994 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 995 SPCS_GENERATIONSTATUS | 0x00001200 | 996 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 997 snd_emu10k1x_ptr_write(chip, SPCS1, 0, 998 chip->spdif_bits[1] = 999 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1000 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 1001 SPCS_GENERATIONSTATUS | 0x00001200 | 1002 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 1003 snd_emu10k1x_ptr_write(chip, SPCS2, 0, 1004 chip->spdif_bits[2] = 1005 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1006 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 1007 SPCS_GENERATIONSTATUS | 0x00001200 | 1008 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 1009 1010 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF 1011 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing 1012 snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode 1013 1014 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); 1015 1016 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, 1017 chip, &ops)) < 0) { 1018 snd_emu10k1x_free(chip); 1019 return err; 1020 } 1021 *rchip = chip; 1022 return 0; 1023 } 1024 1025 static void snd_emu10k1x_proc_reg_read(snd_info_entry_t *entry, 1026 snd_info_buffer_t * buffer) 1027 { 1028 emu10k1x_t *emu = entry->private_data; 1029 unsigned long value,value1,value2; 1030 unsigned long flags; 1031 int i; 1032 1033 snd_iprintf(buffer, "Registers:\n\n"); 1034 for(i = 0; i < 0x20; i+=4) { 1035 spin_lock_irqsave(&emu->emu_lock, flags); 1036 value = inl(emu->port + i); 1037 spin_unlock_irqrestore(&emu->emu_lock, flags); 1038 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value); 1039 } 1040 snd_iprintf(buffer, "\nRegisters\n\n"); 1041 for(i = 0; i <= 0x48; i++) { 1042 value = snd_emu10k1x_ptr_read(emu, i, 0); 1043 if(i < 0x10 || (i >= 0x20 && i < 0x40)) { 1044 value1 = snd_emu10k1x_ptr_read(emu, i, 1); 1045 value2 = snd_emu10k1x_ptr_read(emu, i, 2); 1046 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2); 1047 } else { 1048 snd_iprintf(buffer, "%02X: %08lX\n", i, value); 1049 } 1050 } 1051 } 1052 1053 static void snd_emu10k1x_proc_reg_write(snd_info_entry_t *entry, 1054 snd_info_buffer_t *buffer) 1055 { 1056 emu10k1x_t *emu = entry->private_data; 1057 char line[64]; 1058 unsigned int reg, channel_id , val; 1059 1060 while (!snd_info_get_line(buffer, line, sizeof(line))) { 1061 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3) 1062 continue; 1063 1064 if ((reg < 0x49) && (reg >=0) && (val <= 0xffffffff) 1065 && (channel_id >=0) && (channel_id <= 2) ) 1066 snd_emu10k1x_ptr_write(emu, reg, channel_id, val); 1067 } 1068 } 1069 1070 static int __devinit snd_emu10k1x_proc_init(emu10k1x_t * emu) 1071 { 1072 snd_info_entry_t *entry; 1073 1074 if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) { 1075 snd_info_set_text_ops(entry, emu, 1024, snd_emu10k1x_proc_reg_read); 1076 entry->c.text.write_size = 64; 1077 entry->c.text.write = snd_emu10k1x_proc_reg_write; 1078 entry->private_data = emu; 1079 } 1080 1081 return 0; 1082 } 1083 1084 static int snd_emu10k1x_shared_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 1085 { 1086 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1087 uinfo->count = 1; 1088 uinfo->value.integer.min = 0; 1089 uinfo->value.integer.max = 1; 1090 return 0; 1091 } 1092 1093 static int snd_emu10k1x_shared_spdif_get(snd_kcontrol_t * kcontrol, 1094 snd_ctl_elem_value_t * ucontrol) 1095 { 1096 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); 1097 1098 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1; 1099 1100 return 0; 1101 } 1102 1103 static int snd_emu10k1x_shared_spdif_put(snd_kcontrol_t * kcontrol, 1104 snd_ctl_elem_value_t * ucontrol) 1105 { 1106 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); 1107 unsigned int val; 1108 int change = 0; 1109 1110 val = ucontrol->value.integer.value[0] ; 1111 1112 if (val) { 1113 // enable spdif output 1114 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000); 1115 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700); 1116 snd_emu10k1x_gpio_write(emu, 0x1000); 1117 } else { 1118 // disable spdif output 1119 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700); 1120 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); 1121 snd_emu10k1x_gpio_write(emu, 0x1080); 1122 } 1123 return change; 1124 } 1125 1126 static snd_kcontrol_new_t snd_emu10k1x_shared_spdif __devinitdata = 1127 { 1128 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1129 .name = "Analog/Digital Output Jack", 1130 .info = snd_emu10k1x_shared_spdif_info, 1131 .get = snd_emu10k1x_shared_spdif_get, 1132 .put = snd_emu10k1x_shared_spdif_put 1133 }; 1134 1135 static int snd_emu10k1x_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 1136 { 1137 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 1138 uinfo->count = 1; 1139 return 0; 1140 } 1141 1142 static int snd_emu10k1x_spdif_get(snd_kcontrol_t * kcontrol, 1143 snd_ctl_elem_value_t * ucontrol) 1144 { 1145 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); 1146 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1147 1148 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff; 1149 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff; 1150 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff; 1151 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff; 1152 return 0; 1153 } 1154 1155 static int snd_emu10k1x_spdif_get_mask(snd_kcontrol_t * kcontrol, 1156 snd_ctl_elem_value_t * ucontrol) 1157 { 1158 ucontrol->value.iec958.status[0] = 0xff; 1159 ucontrol->value.iec958.status[1] = 0xff; 1160 ucontrol->value.iec958.status[2] = 0xff; 1161 ucontrol->value.iec958.status[3] = 0xff; 1162 return 0; 1163 } 1164 1165 static int snd_emu10k1x_spdif_put(snd_kcontrol_t * kcontrol, 1166 snd_ctl_elem_value_t * ucontrol) 1167 { 1168 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol); 1169 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1170 int change; 1171 unsigned int val; 1172 1173 val = (ucontrol->value.iec958.status[0] << 0) | 1174 (ucontrol->value.iec958.status[1] << 8) | 1175 (ucontrol->value.iec958.status[2] << 16) | 1176 (ucontrol->value.iec958.status[3] << 24); 1177 change = val != emu->spdif_bits[idx]; 1178 if (change) { 1179 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val); 1180 emu->spdif_bits[idx] = val; 1181 } 1182 return change; 1183 } 1184 1185 static snd_kcontrol_new_t snd_emu10k1x_spdif_mask_control = 1186 { 1187 .access = SNDRV_CTL_ELEM_ACCESS_READ, 1188 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1189 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), 1190 .count = 3, 1191 .info = snd_emu10k1x_spdif_info, 1192 .get = snd_emu10k1x_spdif_get_mask 1193 }; 1194 1195 static snd_kcontrol_new_t snd_emu10k1x_spdif_control = 1196 { 1197 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1198 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 1199 .count = 3, 1200 .info = snd_emu10k1x_spdif_info, 1201 .get = snd_emu10k1x_spdif_get, 1202 .put = snd_emu10k1x_spdif_put 1203 }; 1204 1205 static int __devinit snd_emu10k1x_mixer(emu10k1x_t *emu) 1206 { 1207 int err; 1208 snd_kcontrol_t *kctl; 1209 snd_card_t *card = emu->card; 1210 1211 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL) 1212 return -ENOMEM; 1213 if ((err = snd_ctl_add(card, kctl))) 1214 return err; 1215 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL) 1216 return -ENOMEM; 1217 if ((err = snd_ctl_add(card, kctl))) 1218 return err; 1219 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL) 1220 return -ENOMEM; 1221 if ((err = snd_ctl_add(card, kctl))) 1222 return err; 1223 1224 return 0; 1225 } 1226 1227 #define EMU10K1X_MIDI_MODE_INPUT (1<<0) 1228 #define EMU10K1X_MIDI_MODE_OUTPUT (1<<1) 1229 1230 static inline unsigned char mpu401_read(emu10k1x_t *emu, emu10k1x_midi_t *mpu, int idx) 1231 { 1232 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0); 1233 } 1234 1235 static inline void mpu401_write(emu10k1x_t *emu, emu10k1x_midi_t *mpu, int data, int idx) 1236 { 1237 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data); 1238 } 1239 1240 #define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0) 1241 #define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1) 1242 #define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0) 1243 #define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1) 1244 1245 #define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80)) 1246 #define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40)) 1247 1248 #define MPU401_RESET 0xff 1249 #define MPU401_ENTER_UART 0x3f 1250 #define MPU401_ACK 0xfe 1251 1252 static void mpu401_clear_rx(emu10k1x_t *emu, emu10k1x_midi_t *mpu) 1253 { 1254 int timeout = 100000; 1255 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--) 1256 mpu401_read_data(emu, mpu); 1257 #ifdef CONFIG_SND_DEBUG 1258 if (timeout <= 0) 1259 snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu)); 1260 #endif 1261 } 1262 1263 /* 1264 1265 */ 1266 1267 static void do_emu10k1x_midi_interrupt(emu10k1x_t *emu, emu10k1x_midi_t *midi, unsigned int status) 1268 { 1269 unsigned char byte; 1270 1271 if (midi->rmidi == NULL) { 1272 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable); 1273 return; 1274 } 1275 1276 spin_lock(&midi->input_lock); 1277 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) { 1278 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1279 mpu401_clear_rx(emu, midi); 1280 } else { 1281 byte = mpu401_read_data(emu, midi); 1282 if (midi->substream_input) 1283 snd_rawmidi_receive(midi->substream_input, &byte, 1); 1284 } 1285 } 1286 spin_unlock(&midi->input_lock); 1287 1288 spin_lock(&midi->output_lock); 1289 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) { 1290 if (midi->substream_output && 1291 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) { 1292 mpu401_write_data(emu, midi, byte); 1293 } else { 1294 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1295 } 1296 } 1297 spin_unlock(&midi->output_lock); 1298 } 1299 1300 static void snd_emu10k1x_midi_interrupt(emu10k1x_t *emu, unsigned int status) 1301 { 1302 do_emu10k1x_midi_interrupt(emu, &emu->midi, status); 1303 } 1304 1305 static void snd_emu10k1x_midi_cmd(emu10k1x_t * emu, emu10k1x_midi_t *midi, unsigned char cmd, int ack) 1306 { 1307 unsigned long flags; 1308 int timeout, ok; 1309 1310 spin_lock_irqsave(&midi->input_lock, flags); 1311 mpu401_write_data(emu, midi, 0x00); 1312 /* mpu401_clear_rx(emu, midi); */ 1313 1314 mpu401_write_cmd(emu, midi, cmd); 1315 if (ack) { 1316 ok = 0; 1317 timeout = 10000; 1318 while (!ok && timeout-- > 0) { 1319 if (mpu401_input_avail(emu, midi)) { 1320 if (mpu401_read_data(emu, midi) == MPU401_ACK) 1321 ok = 1; 1322 } 1323 } 1324 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK) 1325 ok = 1; 1326 } else { 1327 ok = 1; 1328 } 1329 spin_unlock_irqrestore(&midi->input_lock, flags); 1330 if (!ok) 1331 snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n", 1332 cmd, emu->port, 1333 mpu401_read_stat(emu, midi), 1334 mpu401_read_data(emu, midi)); 1335 } 1336 1337 static int snd_emu10k1x_midi_input_open(snd_rawmidi_substream_t * substream) 1338 { 1339 emu10k1x_t *emu; 1340 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; 1341 unsigned long flags; 1342 1343 emu = midi->emu; 1344 snd_assert(emu, return -ENXIO); 1345 spin_lock_irqsave(&midi->open_lock, flags); 1346 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; 1347 midi->substream_input = substream; 1348 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1349 spin_unlock_irqrestore(&midi->open_lock, flags); 1350 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1); 1351 snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1); 1352 } else { 1353 spin_unlock_irqrestore(&midi->open_lock, flags); 1354 } 1355 return 0; 1356 } 1357 1358 static int snd_emu10k1x_midi_output_open(snd_rawmidi_substream_t * substream) 1359 { 1360 emu10k1x_t *emu; 1361 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; 1362 unsigned long flags; 1363 1364 emu = midi->emu; 1365 snd_assert(emu, return -ENXIO); 1366 spin_lock_irqsave(&midi->open_lock, flags); 1367 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; 1368 midi->substream_output = substream; 1369 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1370 spin_unlock_irqrestore(&midi->open_lock, flags); 1371 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1); 1372 snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1); 1373 } else { 1374 spin_unlock_irqrestore(&midi->open_lock, flags); 1375 } 1376 return 0; 1377 } 1378 1379 static int snd_emu10k1x_midi_input_close(snd_rawmidi_substream_t * substream) 1380 { 1381 emu10k1x_t *emu; 1382 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; 1383 unsigned long flags; 1384 1385 emu = midi->emu; 1386 snd_assert(emu, return -ENXIO); 1387 spin_lock_irqsave(&midi->open_lock, flags); 1388 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1389 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; 1390 midi->substream_input = NULL; 1391 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1392 spin_unlock_irqrestore(&midi->open_lock, flags); 1393 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1394 } else { 1395 spin_unlock_irqrestore(&midi->open_lock, flags); 1396 } 1397 return 0; 1398 } 1399 1400 static int snd_emu10k1x_midi_output_close(snd_rawmidi_substream_t * substream) 1401 { 1402 emu10k1x_t *emu; 1403 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; 1404 unsigned long flags; 1405 1406 emu = midi->emu; 1407 snd_assert(emu, return -ENXIO); 1408 spin_lock_irqsave(&midi->open_lock, flags); 1409 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1410 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; 1411 midi->substream_output = NULL; 1412 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1413 spin_unlock_irqrestore(&midi->open_lock, flags); 1414 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1415 } else { 1416 spin_unlock_irqrestore(&midi->open_lock, flags); 1417 } 1418 return 0; 1419 } 1420 1421 static void snd_emu10k1x_midi_input_trigger(snd_rawmidi_substream_t * substream, int up) 1422 { 1423 emu10k1x_t *emu; 1424 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; 1425 emu = midi->emu; 1426 snd_assert(emu, return); 1427 1428 if (up) 1429 snd_emu10k1x_intr_enable(emu, midi->rx_enable); 1430 else 1431 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1432 } 1433 1434 static void snd_emu10k1x_midi_output_trigger(snd_rawmidi_substream_t * substream, int up) 1435 { 1436 emu10k1x_t *emu; 1437 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data; 1438 unsigned long flags; 1439 1440 emu = midi->emu; 1441 snd_assert(emu, return); 1442 1443 if (up) { 1444 int max = 4; 1445 unsigned char byte; 1446 1447 /* try to send some amount of bytes here before interrupts */ 1448 spin_lock_irqsave(&midi->output_lock, flags); 1449 while (max > 0) { 1450 if (mpu401_output_ready(emu, midi)) { 1451 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) || 1452 snd_rawmidi_transmit(substream, &byte, 1) != 1) { 1453 /* no more data */ 1454 spin_unlock_irqrestore(&midi->output_lock, flags); 1455 return; 1456 } 1457 mpu401_write_data(emu, midi, byte); 1458 max--; 1459 } else { 1460 break; 1461 } 1462 } 1463 spin_unlock_irqrestore(&midi->output_lock, flags); 1464 snd_emu10k1x_intr_enable(emu, midi->tx_enable); 1465 } else { 1466 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1467 } 1468 } 1469 1470 /* 1471 1472 */ 1473 1474 static snd_rawmidi_ops_t snd_emu10k1x_midi_output = 1475 { 1476 .open = snd_emu10k1x_midi_output_open, 1477 .close = snd_emu10k1x_midi_output_close, 1478 .trigger = snd_emu10k1x_midi_output_trigger, 1479 }; 1480 1481 static snd_rawmidi_ops_t snd_emu10k1x_midi_input = 1482 { 1483 .open = snd_emu10k1x_midi_input_open, 1484 .close = snd_emu10k1x_midi_input_close, 1485 .trigger = snd_emu10k1x_midi_input_trigger, 1486 }; 1487 1488 static void snd_emu10k1x_midi_free(snd_rawmidi_t *rmidi) 1489 { 1490 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)rmidi->private_data; 1491 midi->interrupt = NULL; 1492 midi->rmidi = NULL; 1493 } 1494 1495 static int __devinit emu10k1x_midi_init(emu10k1x_t *emu, emu10k1x_midi_t *midi, int device, char *name) 1496 { 1497 snd_rawmidi_t *rmidi; 1498 int err; 1499 1500 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0) 1501 return err; 1502 midi->emu = emu; 1503 spin_lock_init(&midi->open_lock); 1504 spin_lock_init(&midi->input_lock); 1505 spin_lock_init(&midi->output_lock); 1506 strcpy(rmidi->name, name); 1507 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output); 1508 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input); 1509 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | 1510 SNDRV_RAWMIDI_INFO_INPUT | 1511 SNDRV_RAWMIDI_INFO_DUPLEX; 1512 rmidi->private_data = midi; 1513 rmidi->private_free = snd_emu10k1x_midi_free; 1514 midi->rmidi = rmidi; 1515 return 0; 1516 } 1517 1518 static int __devinit snd_emu10k1x_midi(emu10k1x_t *emu) 1519 { 1520 emu10k1x_midi_t *midi = &emu->midi; 1521 int err; 1522 1523 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0) 1524 return err; 1525 1526 midi->tx_enable = INTE_MIDITXENABLE; 1527 midi->rx_enable = INTE_MIDIRXENABLE; 1528 midi->port = MUDATA; 1529 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY; 1530 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY; 1531 midi->interrupt = snd_emu10k1x_midi_interrupt; 1532 return 0; 1533 } 1534 1535 static int __devinit snd_emu10k1x_probe(struct pci_dev *pci, 1536 const struct pci_device_id *pci_id) 1537 { 1538 static int dev; 1539 snd_card_t *card; 1540 emu10k1x_t *chip; 1541 int err; 1542 1543 if (dev >= SNDRV_CARDS) 1544 return -ENODEV; 1545 if (!enable[dev]) { 1546 dev++; 1547 return -ENOENT; 1548 } 1549 1550 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); 1551 if (card == NULL) 1552 return -ENOMEM; 1553 1554 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) { 1555 snd_card_free(card); 1556 return err; 1557 } 1558 1559 if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) { 1560 snd_card_free(card); 1561 return err; 1562 } 1563 if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) { 1564 snd_card_free(card); 1565 return err; 1566 } 1567 if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) { 1568 snd_card_free(card); 1569 return err; 1570 } 1571 1572 if ((err = snd_emu10k1x_ac97(chip)) < 0) { 1573 snd_card_free(card); 1574 return err; 1575 } 1576 1577 if ((err = snd_emu10k1x_mixer(chip)) < 0) { 1578 snd_card_free(card); 1579 return err; 1580 } 1581 1582 if ((err = snd_emu10k1x_midi(chip)) < 0) { 1583 snd_card_free(card); 1584 return err; 1585 } 1586 1587 snd_emu10k1x_proc_init(chip); 1588 1589 strcpy(card->driver, "EMU10K1X"); 1590 strcpy(card->shortname, "Dell Sound Blaster Live!"); 1591 sprintf(card->longname, "%s at 0x%lx irq %i", 1592 card->shortname, chip->port, chip->irq); 1593 1594 if ((err = snd_card_register(card)) < 0) { 1595 snd_card_free(card); 1596 return err; 1597 } 1598 1599 pci_set_drvdata(pci, card); 1600 dev++; 1601 return 0; 1602 } 1603 1604 static void __devexit snd_emu10k1x_remove(struct pci_dev *pci) 1605 { 1606 snd_card_free(pci_get_drvdata(pci)); 1607 pci_set_drvdata(pci, NULL); 1608 } 1609 1610 // PCI IDs 1611 static struct pci_device_id snd_emu10k1x_ids[] = { 1612 { 0x1102, 0x0006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Dell OEM version (EMU10K1) */ 1613 { 0, } 1614 }; 1615 MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); 1616 1617 // pci_driver definition 1618 static struct pci_driver driver = { 1619 .name = "EMU10K1X", 1620 .id_table = snd_emu10k1x_ids, 1621 .probe = snd_emu10k1x_probe, 1622 .remove = __devexit_p(snd_emu10k1x_remove), 1623 }; 1624 1625 // initialization of the module 1626 static int __init alsa_card_emu10k1x_init(void) 1627 { 1628 int err; 1629 1630 if ((err = pci_module_init(&driver)) > 0) 1631 return err; 1632 1633 return 0; 1634 } 1635 1636 // clean up the module 1637 static void __exit alsa_card_emu10k1x_exit(void) 1638 { 1639 pci_unregister_driver(&driver); 1640 } 1641 1642 module_init(alsa_card_emu10k1x_init) 1643 module_exit(alsa_card_emu10k1x_exit) 1644