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