1/* 2 * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> 3 * Driver EMU10K1X chips 4 * 5 * Parts of this code were adapted from audigyls.c driver which is 6 * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk> 7 * 8 * BUGS: 9 * -- 10 * 11 * TODO: 12 * 13 * Chips (SB0200 model): 14 * - EMU10K1X-DBQ 15 * - STAC 9708T 16 * 17 * This program is free software; you can redistribute it and/or modify 18 * it under the terms of the GNU General Public License as published by 19 * the Free Software Foundation; either version 2 of the License, or 20 * (at your option) any later version. 21 * 22 * This program is distributed in the hope that it will be useful, 23 * but WITHOUT ANY WARRANTY; without even the implied warranty of 24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 25 * GNU General Public License for more details. 26 * 27 * You should have received a copy of the GNU General Public License 28 * along with this program; if not, write to the Free Software 29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 30 * 31 */ 32#include <linux/init.h> 33#include <linux/interrupt.h> 34#include <linux/pci.h> 35#include <linux/dma-mapping.h> 36#include <linux/slab.h> 37#include <linux/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 45MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>"); 46MODULE_DESCRIPTION("EMU10K1X"); 47MODULE_LICENSE("GPL"); 48MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}"); 49 50// module parameters (see "Module Parameters") 51static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 52static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 53static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 54 55module_param_array(index, int, NULL, 0444); 56MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard."); 57module_param_array(id, charp, NULL, 0444); 58MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard."); 59module_param_array(enable, bool, NULL, 0444); 60MODULE_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 channel 188 * Volume is controlled by the AC97 for the front and rear channels by 189 * the PCM Playback Volume, Sigmatel Surround Playback Volume and 190 * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects 191 * the front/rear channel mixing in the REAR OUT jack. When using the 192 * 4-Speaker Stereo, both front and rear channels will be mixed in the 193 * REAR OUT. 194 * The center/lfe channel has no volume control and cannot be muted during 195 * playback. 196 */ 197 198struct emu10k1x_voice { 199 struct emu10k1x *emu; 200 int number; 201 int use; 202 203 struct emu10k1x_pcm *epcm; 204}; 205 206struct emu10k1x_pcm { 207 struct emu10k1x *emu; 208 struct snd_pcm_substream *substream; 209 struct emu10k1x_voice *voice; 210 unsigned short running; 211}; 212 213struct emu10k1x_midi { 214 struct emu10k1x *emu; 215 struct snd_rawmidi *rmidi; 216 struct snd_rawmidi_substream *substream_input; 217 struct snd_rawmidi_substream *substream_output; 218 unsigned int midi_mode; 219 spinlock_t input_lock; 220 spinlock_t output_lock; 221 spinlock_t open_lock; 222 int tx_enable, rx_enable; 223 int port; 224 int ipr_tx, ipr_rx; 225 void (*interrupt)(struct emu10k1x *emu, unsigned int status); 226}; 227 228// definition of the chip-specific record 229struct emu10k1x { 230 struct snd_card *card; 231 struct pci_dev *pci; 232 233 unsigned long port; 234 struct resource *res_port; 235 int irq; 236 237 unsigned char revision; /* chip revision */ 238 unsigned int serial; /* serial number */ 239 unsigned short model; /* subsystem id */ 240 241 spinlock_t emu_lock; 242 spinlock_t voice_lock; 243 244 struct snd_ac97 *ac97; 245 struct snd_pcm *pcm; 246 247 struct emu10k1x_voice voices[3]; 248 struct emu10k1x_voice capture_voice; 249 u32 spdif_bits[3]; // SPDIF out setup 250 251 struct snd_dma_buffer dma_buffer; 252 253 struct emu10k1x_midi midi; 254}; 255 256/* hardware definition */ 257static struct snd_pcm_hardware snd_emu10k1x_playback_hw = { 258 .info = (SNDRV_PCM_INFO_MMAP | 259 SNDRV_PCM_INFO_INTERLEAVED | 260 SNDRV_PCM_INFO_BLOCK_TRANSFER | 261 SNDRV_PCM_INFO_MMAP_VALID), 262 .formats = SNDRV_PCM_FMTBIT_S16_LE, 263 .rates = SNDRV_PCM_RATE_48000, 264 .rate_min = 48000, 265 .rate_max = 48000, 266 .channels_min = 2, 267 .channels_max = 2, 268 .buffer_bytes_max = (32*1024), 269 .period_bytes_min = 64, 270 .period_bytes_max = (16*1024), 271 .periods_min = 2, 272 .periods_max = 8, 273 .fifo_size = 0, 274}; 275 276static struct snd_pcm_hardware snd_emu10k1x_capture_hw = { 277 .info = (SNDRV_PCM_INFO_MMAP | 278 SNDRV_PCM_INFO_INTERLEAVED | 279 SNDRV_PCM_INFO_BLOCK_TRANSFER | 280 SNDRV_PCM_INFO_MMAP_VALID), 281 .formats = SNDRV_PCM_FMTBIT_S16_LE, 282 .rates = SNDRV_PCM_RATE_48000, 283 .rate_min = 48000, 284 .rate_max = 48000, 285 .channels_min = 2, 286 .channels_max = 2, 287 .buffer_bytes_max = (32*1024), 288 .period_bytes_min = 64, 289 .period_bytes_max = (16*1024), 290 .periods_min = 2, 291 .periods_max = 2, 292 .fifo_size = 0, 293}; 294 295static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu, 296 unsigned int reg, 297 unsigned int chn) 298{ 299 unsigned long flags; 300 unsigned int regptr, val; 301 302 regptr = (reg << 16) | chn; 303 304 spin_lock_irqsave(&emu->emu_lock, flags); 305 outl(regptr, emu->port + PTR); 306 val = inl(emu->port + DATA); 307 spin_unlock_irqrestore(&emu->emu_lock, flags); 308 return val; 309} 310 311static void snd_emu10k1x_ptr_write(struct emu10k1x *emu, 312 unsigned int reg, 313 unsigned int chn, 314 unsigned int data) 315{ 316 unsigned int regptr; 317 unsigned long flags; 318 319 regptr = (reg << 16) | chn; 320 321 spin_lock_irqsave(&emu->emu_lock, flags); 322 outl(regptr, emu->port + PTR); 323 outl(data, emu->port + DATA); 324 spin_unlock_irqrestore(&emu->emu_lock, flags); 325} 326 327static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb) 328{ 329 unsigned long flags; 330 unsigned int intr_enable; 331 332 spin_lock_irqsave(&emu->emu_lock, flags); 333 intr_enable = inl(emu->port + INTE) | intrenb; 334 outl(intr_enable, emu->port + INTE); 335 spin_unlock_irqrestore(&emu->emu_lock, flags); 336} 337 338static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb) 339{ 340 unsigned long flags; 341 unsigned int intr_enable; 342 343 spin_lock_irqsave(&emu->emu_lock, flags); 344 intr_enable = inl(emu->port + INTE) & ~intrenb; 345 outl(intr_enable, emu->port + INTE); 346 spin_unlock_irqrestore(&emu->emu_lock, flags); 347} 348 349static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value) 350{ 351 unsigned long flags; 352 353 spin_lock_irqsave(&emu->emu_lock, flags); 354 outl(value, emu->port + GPIO); 355 spin_unlock_irqrestore(&emu->emu_lock, flags); 356} 357 358static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime) 359{ 360 kfree(runtime->private_data); 361} 362 363static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice) 364{ 365 struct emu10k1x_pcm *epcm; 366 367 if ((epcm = voice->epcm) == NULL) 368 return; 369 if (epcm->substream == NULL) 370 return; 371 snd_pcm_period_elapsed(epcm->substream); 372} 373 374/* open callback */ 375static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream) 376{ 377 struct emu10k1x *chip = snd_pcm_substream_chip(substream); 378 struct emu10k1x_pcm *epcm; 379 struct snd_pcm_runtime *runtime = substream->runtime; 380 int err; 381 382 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 383 return err; 384 } 385 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 386 return err; 387 388 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 389 if (epcm == NULL) 390 return -ENOMEM; 391 epcm->emu = chip; 392 epcm->substream = substream; 393 394 runtime->private_data = epcm; 395 runtime->private_free = snd_emu10k1x_pcm_free_substream; 396 397 runtime->hw = snd_emu10k1x_playback_hw; 398 399 return 0; 400} 401 402/* close callback */ 403static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream) 404{ 405 return 0; 406} 407 408/* hw_params callback */ 409static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream, 410 struct snd_pcm_hw_params *hw_params) 411{ 412 struct snd_pcm_runtime *runtime = substream->runtime; 413 struct emu10k1x_pcm *epcm = runtime->private_data; 414 415 if (! epcm->voice) { 416 epcm->voice = &epcm->emu->voices[substream->pcm->device]; 417 epcm->voice->use = 1; 418 epcm->voice->epcm = epcm; 419 } 420 421 return snd_pcm_lib_malloc_pages(substream, 422 params_buffer_bytes(hw_params)); 423} 424 425/* hw_free callback */ 426static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream) 427{ 428 struct snd_pcm_runtime *runtime = substream->runtime; 429 struct emu10k1x_pcm *epcm; 430 431 if (runtime->private_data == NULL) 432 return 0; 433 434 epcm = runtime->private_data; 435 436 if (epcm->voice) { 437 epcm->voice->use = 0; 438 epcm->voice->epcm = NULL; 439 epcm->voice = NULL; 440 } 441 442 return snd_pcm_lib_free_pages(substream); 443} 444 445/* prepare callback */ 446static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream) 447{ 448 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 449 struct snd_pcm_runtime *runtime = substream->runtime; 450 struct emu10k1x_pcm *epcm = runtime->private_data; 451 int voice = epcm->voice->number; 452 u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice); 453 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size); 454 int i; 455 456 for(i = 0; i < runtime->periods; i++) { 457 *table_base++=runtime->dma_addr+(i*period_size_bytes); 458 *table_base++=period_size_bytes<<16; 459 } 460 461 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice); 462 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19); 463 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0); 464 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0); 465 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0); 466 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0); 467 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr); 468 469 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16); 470 471 return 0; 472} 473 474/* trigger callback */ 475static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream, 476 int cmd) 477{ 478 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 479 struct snd_pcm_runtime *runtime = substream->runtime; 480 struct emu10k1x_pcm *epcm = runtime->private_data; 481 int channel = epcm->voice->number; 482 int result = 0; 483 484// snd_printk(KERN_INFO "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", (int)emu, cmd, (int)substream->ops->pointer(substream)); 485 486 switch (cmd) { 487 case SNDRV_PCM_TRIGGER_START: 488 if(runtime->periods == 2) 489 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 490 else 491 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); 492 epcm->running = 1; 493 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel)); 494 break; 495 case SNDRV_PCM_TRIGGER_STOP: 496 epcm->running = 0; 497 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); 498 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel)); 499 break; 500 default: 501 result = -EINVAL; 502 break; 503 } 504 return result; 505} 506 507/* pointer callback */ 508static snd_pcm_uframes_t 509snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream) 510{ 511 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 512 struct snd_pcm_runtime *runtime = substream->runtime; 513 struct emu10k1x_pcm *epcm = runtime->private_data; 514 int channel = epcm->voice->number; 515 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0; 516 517 if (!epcm->running) 518 return 0; 519 520 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 521 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 522 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); 523 524 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size)) 525 return 0; 526 527 if (ptr3 != ptr4) 528 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); 529 ptr2 = bytes_to_frames(runtime, ptr1); 530 ptr2 += (ptr4 >> 3) * runtime->period_size; 531 ptr = ptr2; 532 533 if (ptr >= runtime->buffer_size) 534 ptr -= runtime->buffer_size; 535 536 return ptr; 537} 538 539/* operators */ 540static struct snd_pcm_ops snd_emu10k1x_playback_ops = { 541 .open = snd_emu10k1x_playback_open, 542 .close = snd_emu10k1x_playback_close, 543 .ioctl = snd_pcm_lib_ioctl, 544 .hw_params = snd_emu10k1x_pcm_hw_params, 545 .hw_free = snd_emu10k1x_pcm_hw_free, 546 .prepare = snd_emu10k1x_pcm_prepare, 547 .trigger = snd_emu10k1x_pcm_trigger, 548 .pointer = snd_emu10k1x_pcm_pointer, 549}; 550 551/* open_capture callback */ 552static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream) 553{ 554 struct emu10k1x *chip = snd_pcm_substream_chip(substream); 555 struct emu10k1x_pcm *epcm; 556 struct snd_pcm_runtime *runtime = substream->runtime; 557 int err; 558 559 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 560 return err; 561 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) 562 return err; 563 564 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 565 if (epcm == NULL) 566 return -ENOMEM; 567 568 epcm->emu = chip; 569 epcm->substream = substream; 570 571 runtime->private_data = epcm; 572 runtime->private_free = snd_emu10k1x_pcm_free_substream; 573 574 runtime->hw = snd_emu10k1x_capture_hw; 575 576 return 0; 577} 578 579/* close callback */ 580static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream) 581{ 582 return 0; 583} 584 585/* hw_params callback */ 586static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream, 587 struct snd_pcm_hw_params *hw_params) 588{ 589 struct snd_pcm_runtime *runtime = substream->runtime; 590 struct emu10k1x_pcm *epcm = runtime->private_data; 591 592 if (! epcm->voice) { 593 if (epcm->emu->capture_voice.use) 594 return -EBUSY; 595 epcm->voice = &epcm->emu->capture_voice; 596 epcm->voice->epcm = epcm; 597 epcm->voice->use = 1; 598 } 599 600 return snd_pcm_lib_malloc_pages(substream, 601 params_buffer_bytes(hw_params)); 602} 603 604/* hw_free callback */ 605static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream) 606{ 607 struct snd_pcm_runtime *runtime = substream->runtime; 608 609 struct emu10k1x_pcm *epcm; 610 611 if (runtime->private_data == NULL) 612 return 0; 613 epcm = runtime->private_data; 614 615 if (epcm->voice) { 616 epcm->voice->use = 0; 617 epcm->voice->epcm = NULL; 618 epcm->voice = NULL; 619 } 620 621 return snd_pcm_lib_free_pages(substream); 622} 623 624/* prepare capture callback */ 625static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream) 626{ 627 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 628 struct snd_pcm_runtime *runtime = substream->runtime; 629 630 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr); 631 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes 632 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0); 633 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0); 634 635 return 0; 636} 637 638/* trigger_capture callback */ 639static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream, 640 int cmd) 641{ 642 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 643 struct snd_pcm_runtime *runtime = substream->runtime; 644 struct emu10k1x_pcm *epcm = runtime->private_data; 645 int result = 0; 646 647 switch (cmd) { 648 case SNDRV_PCM_TRIGGER_START: 649 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP | 650 INTE_CAP_0_HALF_LOOP); 651 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE); 652 epcm->running = 1; 653 break; 654 case SNDRV_PCM_TRIGGER_STOP: 655 epcm->running = 0; 656 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP | 657 INTE_CAP_0_HALF_LOOP); 658 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE)); 659 break; 660 default: 661 result = -EINVAL; 662 break; 663 } 664 return result; 665} 666 667/* pointer_capture callback */ 668static snd_pcm_uframes_t 669snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream) 670{ 671 struct emu10k1x *emu = snd_pcm_substream_chip(substream); 672 struct snd_pcm_runtime *runtime = substream->runtime; 673 struct emu10k1x_pcm *epcm = runtime->private_data; 674 snd_pcm_uframes_t ptr; 675 676 if (!epcm->running) 677 return 0; 678 679 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0)); 680 if (ptr >= runtime->buffer_size) 681 ptr -= runtime->buffer_size; 682 683 return ptr; 684} 685 686static struct snd_pcm_ops snd_emu10k1x_capture_ops = { 687 .open = snd_emu10k1x_pcm_open_capture, 688 .close = snd_emu10k1x_pcm_close_capture, 689 .ioctl = snd_pcm_lib_ioctl, 690 .hw_params = snd_emu10k1x_pcm_hw_params_capture, 691 .hw_free = snd_emu10k1x_pcm_hw_free_capture, 692 .prepare = snd_emu10k1x_pcm_prepare_capture, 693 .trigger = snd_emu10k1x_pcm_trigger_capture, 694 .pointer = snd_emu10k1x_pcm_pointer_capture, 695}; 696 697static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97, 698 unsigned short reg) 699{ 700 struct emu10k1x *emu = ac97->private_data; 701 unsigned long flags; 702 unsigned short val; 703 704 spin_lock_irqsave(&emu->emu_lock, flags); 705 outb(reg, emu->port + AC97ADDRESS); 706 val = inw(emu->port + AC97DATA); 707 spin_unlock_irqrestore(&emu->emu_lock, flags); 708 return val; 709} 710 711static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97, 712 unsigned short reg, unsigned short val) 713{ 714 struct emu10k1x *emu = ac97->private_data; 715 unsigned long flags; 716 717 spin_lock_irqsave(&emu->emu_lock, flags); 718 outb(reg, emu->port + AC97ADDRESS); 719 outw(val, emu->port + AC97DATA); 720 spin_unlock_irqrestore(&emu->emu_lock, flags); 721} 722 723static int snd_emu10k1x_ac97(struct emu10k1x *chip) 724{ 725 struct snd_ac97_bus *pbus; 726 struct snd_ac97_template ac97; 727 int err; 728 static struct snd_ac97_bus_ops ops = { 729 .write = snd_emu10k1x_ac97_write, 730 .read = snd_emu10k1x_ac97_read, 731 }; 732 733 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0) 734 return err; 735 pbus->no_vra = 1; /* we don't need VRA */ 736 737 memset(&ac97, 0, sizeof(ac97)); 738 ac97.private_data = chip; 739 ac97.scaps = AC97_SCAP_NO_SPDIF; 740 return snd_ac97_mixer(pbus, &ac97, &chip->ac97); 741} 742 743static int snd_emu10k1x_free(struct emu10k1x *chip) 744{ 745 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0); 746 // disable interrupts 747 outl(0, chip->port + INTE); 748 // disable audio 749 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); 750 751 /* release the irq */ 752 if (chip->irq >= 0) 753 free_irq(chip->irq, chip); 754 755 // release the i/o port 756 release_and_free_resource(chip->res_port); 757 758 // release the DMA 759 if (chip->dma_buffer.area) { 760 snd_dma_free_pages(&chip->dma_buffer); 761 } 762 763 pci_disable_device(chip->pci); 764 765 // release the data 766 kfree(chip); 767 return 0; 768} 769 770static int snd_emu10k1x_dev_free(struct snd_device *device) 771{ 772 struct emu10k1x *chip = device->device_data; 773 return snd_emu10k1x_free(chip); 774} 775 776static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id) 777{ 778 unsigned int status; 779 780 struct emu10k1x *chip = dev_id; 781 struct emu10k1x_voice *pvoice = chip->voices; 782 int i; 783 int mask; 784 785 status = inl(chip->port + IPR); 786 787 if (! status) 788 return IRQ_NONE; 789 790 // capture interrupt 791 if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) { 792 struct emu10k1x_voice *cap_voice = &chip->capture_voice; 793 if (cap_voice->use) 794 snd_emu10k1x_pcm_interrupt(chip, cap_voice); 795 else 796 snd_emu10k1x_intr_disable(chip, 797 INTE_CAP_0_LOOP | 798 INTE_CAP_0_HALF_LOOP); 799 } 800 801 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP; 802 for (i = 0; i < 3; i++) { 803 if (status & mask) { 804 if (pvoice->use) 805 snd_emu10k1x_pcm_interrupt(chip, pvoice); 806 else 807 snd_emu10k1x_intr_disable(chip, mask); 808 } 809 pvoice++; 810 mask <<= 1; 811 } 812 813 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) { 814 if (chip->midi.interrupt) 815 chip->midi.interrupt(chip, status); 816 else 817 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE); 818 } 819 820 // acknowledge the interrupt if necessary 821 outl(status, chip->port + IPR); 822 823 // snd_printk(KERN_INFO "interrupt %08x\n", status); 824 return IRQ_HANDLED; 825} 826 827static int __devinit snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct snd_pcm **rpcm) 828{ 829 struct snd_pcm *pcm; 830 int err; 831 int capture = 0; 832 833 if (rpcm) 834 *rpcm = NULL; 835 if (device == 0) 836 capture = 1; 837 838 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0) 839 return err; 840 841 pcm->private_data = emu; 842 843 switch(device) { 844 case 0: 845 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 846 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops); 847 break; 848 case 1: 849 case 2: 850 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); 851 break; 852 } 853 854 pcm->info_flags = 0; 855 switch(device) { 856 case 0: 857 strcpy(pcm->name, "EMU10K1X Front"); 858 break; 859 case 1: 860 strcpy(pcm->name, "EMU10K1X Rear"); 861 break; 862 case 2: 863 strcpy(pcm->name, "EMU10K1X Center/LFE"); 864 break; 865 } 866 emu->pcm = pcm; 867 868 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 869 snd_dma_pci_data(emu->pci), 870 32*1024, 32*1024); 871 872 if (rpcm) 873 *rpcm = pcm; 874 875 return 0; 876} 877 878static int __devinit snd_emu10k1x_create(struct snd_card *card, 879 struct pci_dev *pci, 880 struct emu10k1x **rchip) 881{ 882 struct emu10k1x *chip; 883 int err; 884 int ch; 885 static struct snd_device_ops ops = { 886 .dev_free = snd_emu10k1x_dev_free, 887 }; 888 889 *rchip = NULL; 890 891 if ((err = pci_enable_device(pci)) < 0) 892 return err; 893 if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 || 894 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) { 895 snd_printk(KERN_ERR "error to set 28bit mask DMA\n"); 896 pci_disable_device(pci); 897 return -ENXIO; 898 } 899 900 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 901 if (chip == NULL) { 902 pci_disable_device(pci); 903 return -ENOMEM; 904 } 905 906 chip->card = card; 907 chip->pci = pci; 908 chip->irq = -1; 909 910 spin_lock_init(&chip->emu_lock); 911 spin_lock_init(&chip->voice_lock); 912 913 chip->port = pci_resource_start(pci, 0); 914 if ((chip->res_port = request_region(chip->port, 8, 915 "EMU10K1X")) == NULL) { 916 snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port); 917 snd_emu10k1x_free(chip); 918 return -EBUSY; 919 } 920 921 if (request_irq(pci->irq, snd_emu10k1x_interrupt, 922 IRQF_SHARED, "EMU10K1X", chip)) { 923 snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq); 924 snd_emu10k1x_free(chip); 925 return -EBUSY; 926 } 927 chip->irq = pci->irq; 928 929 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 930 4 * 1024, &chip->dma_buffer) < 0) { 931 snd_emu10k1x_free(chip); 932 return -ENOMEM; 933 } 934 935 pci_set_master(pci); 936 /* read revision & serial */ 937 chip->revision = pci->revision; 938 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial); 939 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model); 940 snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model, 941 chip->revision, chip->serial); 942 943 outl(0, chip->port + INTE); 944 945 for(ch = 0; ch < 3; ch++) { 946 chip->voices[ch].emu = chip; 947 chip->voices[ch].number = ch; 948 } 949 950 /* 951 * Init to 0x02109204 : 952 * Clock accuracy = 0 (1000ppm) 953 * Sample Rate = 2 (48kHz) 954 * Audio Channel = 1 (Left of 2) 955 * Source Number = 0 (Unspecified) 956 * Generation Status = 1 (Original for Cat Code 12) 957 * Cat Code = 12 (Digital Signal Mixer) 958 * Mode = 0 (Mode 0) 959 * Emphasis = 0 (None) 960 * CP = 1 (Copyright unasserted) 961 * AN = 0 (Audio data) 962 * P = 0 (Consumer) 963 */ 964 snd_emu10k1x_ptr_write(chip, SPCS0, 0, 965 chip->spdif_bits[0] = 966 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 967 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 968 SPCS_GENERATIONSTATUS | 0x00001200 | 969 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 970 snd_emu10k1x_ptr_write(chip, SPCS1, 0, 971 chip->spdif_bits[1] = 972 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 973 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 974 SPCS_GENERATIONSTATUS | 0x00001200 | 975 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 976 snd_emu10k1x_ptr_write(chip, SPCS2, 0, 977 chip->spdif_bits[2] = 978 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 979 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | 980 SPCS_GENERATIONSTATUS | 0x00001200 | 981 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); 982 983 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF 984 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing 985 snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode 986 987 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); 988 989 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, 990 chip, &ops)) < 0) { 991 snd_emu10k1x_free(chip); 992 return err; 993 } 994 *rchip = chip; 995 return 0; 996} 997 998static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry, 999 struct snd_info_buffer *buffer) 1000{ 1001 struct emu10k1x *emu = entry->private_data; 1002 unsigned long value,value1,value2; 1003 unsigned long flags; 1004 int i; 1005 1006 snd_iprintf(buffer, "Registers:\n\n"); 1007 for(i = 0; i < 0x20; i+=4) { 1008 spin_lock_irqsave(&emu->emu_lock, flags); 1009 value = inl(emu->port + i); 1010 spin_unlock_irqrestore(&emu->emu_lock, flags); 1011 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value); 1012 } 1013 snd_iprintf(buffer, "\nRegisters\n\n"); 1014 for(i = 0; i <= 0x48; i++) { 1015 value = snd_emu10k1x_ptr_read(emu, i, 0); 1016 if(i < 0x10 || (i >= 0x20 && i < 0x40)) { 1017 value1 = snd_emu10k1x_ptr_read(emu, i, 1); 1018 value2 = snd_emu10k1x_ptr_read(emu, i, 2); 1019 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2); 1020 } else { 1021 snd_iprintf(buffer, "%02X: %08lX\n", i, value); 1022 } 1023 } 1024} 1025 1026static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry, 1027 struct snd_info_buffer *buffer) 1028{ 1029 struct emu10k1x *emu = entry->private_data; 1030 char line[64]; 1031 unsigned int reg, channel_id , val; 1032 1033 while (!snd_info_get_line(buffer, line, sizeof(line))) { 1034 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3) 1035 continue; 1036 1037 if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2) 1038 snd_emu10k1x_ptr_write(emu, reg, channel_id, val); 1039 } 1040} 1041 1042static int __devinit snd_emu10k1x_proc_init(struct emu10k1x * emu) 1043{ 1044 struct snd_info_entry *entry; 1045 1046 if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) { 1047 snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read); 1048 entry->c.text.write = snd_emu10k1x_proc_reg_write; 1049 entry->mode |= S_IWUSR; 1050 entry->private_data = emu; 1051 } 1052 1053 return 0; 1054} 1055 1056#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info 1057 1058static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol, 1059 struct snd_ctl_elem_value *ucontrol) 1060{ 1061 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1062 1063 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1; 1064 1065 return 0; 1066} 1067 1068static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, 1069 struct snd_ctl_elem_value *ucontrol) 1070{ 1071 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1072 unsigned int val; 1073 int change = 0; 1074 1075 val = ucontrol->value.integer.value[0] ; 1076 1077 if (val) { 1078 // enable spdif output 1079 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000); 1080 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700); 1081 snd_emu10k1x_gpio_write(emu, 0x1000); 1082 } else { 1083 // disable spdif output 1084 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700); 1085 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); 1086 snd_emu10k1x_gpio_write(emu, 0x1080); 1087 } 1088 return change; 1089} 1090 1091static struct snd_kcontrol_new snd_emu10k1x_shared_spdif __devinitdata = 1092{ 1093 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1094 .name = "Analog/Digital Output Jack", 1095 .info = snd_emu10k1x_shared_spdif_info, 1096 .get = snd_emu10k1x_shared_spdif_get, 1097 .put = snd_emu10k1x_shared_spdif_put 1098}; 1099 1100static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1101{ 1102 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 1103 uinfo->count = 1; 1104 return 0; 1105} 1106 1107static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol, 1108 struct snd_ctl_elem_value *ucontrol) 1109{ 1110 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1111 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1112 1113 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff; 1114 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff; 1115 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff; 1116 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff; 1117 return 0; 1118} 1119 1120static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol, 1121 struct snd_ctl_elem_value *ucontrol) 1122{ 1123 ucontrol->value.iec958.status[0] = 0xff; 1124 ucontrol->value.iec958.status[1] = 0xff; 1125 ucontrol->value.iec958.status[2] = 0xff; 1126 ucontrol->value.iec958.status[3] = 0xff; 1127 return 0; 1128} 1129 1130static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol, 1131 struct snd_ctl_elem_value *ucontrol) 1132{ 1133 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); 1134 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 1135 int change; 1136 unsigned int val; 1137 1138 val = (ucontrol->value.iec958.status[0] << 0) | 1139 (ucontrol->value.iec958.status[1] << 8) | 1140 (ucontrol->value.iec958.status[2] << 16) | 1141 (ucontrol->value.iec958.status[3] << 24); 1142 change = val != emu->spdif_bits[idx]; 1143 if (change) { 1144 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val); 1145 emu->spdif_bits[idx] = val; 1146 } 1147 return change; 1148} 1149 1150static struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control = 1151{ 1152 .access = SNDRV_CTL_ELEM_ACCESS_READ, 1153 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1154 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), 1155 .count = 3, 1156 .info = snd_emu10k1x_spdif_info, 1157 .get = snd_emu10k1x_spdif_get_mask 1158}; 1159 1160static struct snd_kcontrol_new snd_emu10k1x_spdif_control = 1161{ 1162 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1163 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 1164 .count = 3, 1165 .info = snd_emu10k1x_spdif_info, 1166 .get = snd_emu10k1x_spdif_get, 1167 .put = snd_emu10k1x_spdif_put 1168}; 1169 1170static int __devinit snd_emu10k1x_mixer(struct emu10k1x *emu) 1171{ 1172 int err; 1173 struct snd_kcontrol *kctl; 1174 struct snd_card *card = emu->card; 1175 1176 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL) 1177 return -ENOMEM; 1178 if ((err = snd_ctl_add(card, kctl))) 1179 return err; 1180 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL) 1181 return -ENOMEM; 1182 if ((err = snd_ctl_add(card, kctl))) 1183 return err; 1184 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL) 1185 return -ENOMEM; 1186 if ((err = snd_ctl_add(card, kctl))) 1187 return err; 1188 1189 return 0; 1190} 1191 1192#define EMU10K1X_MIDI_MODE_INPUT (1<<0) 1193#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1) 1194 1195static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx) 1196{ 1197 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0); 1198} 1199 1200static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx) 1201{ 1202 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data); 1203} 1204 1205#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0) 1206#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1) 1207#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0) 1208#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1) 1209 1210#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80)) 1211#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40)) 1212 1213#define MPU401_RESET 0xff 1214#define MPU401_ENTER_UART 0x3f 1215#define MPU401_ACK 0xfe 1216 1217static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu) 1218{ 1219 int timeout = 100000; 1220 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--) 1221 mpu401_read_data(emu, mpu); 1222#ifdef CONFIG_SND_DEBUG 1223 if (timeout <= 0) 1224 snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu)); 1225#endif 1226} 1227 1228/* 1229 1230 */ 1231 1232static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu, 1233 struct emu10k1x_midi *midi, unsigned int status) 1234{ 1235 unsigned char byte; 1236 1237 if (midi->rmidi == NULL) { 1238 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable); 1239 return; 1240 } 1241 1242 spin_lock(&midi->input_lock); 1243 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) { 1244 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1245 mpu401_clear_rx(emu, midi); 1246 } else { 1247 byte = mpu401_read_data(emu, midi); 1248 if (midi->substream_input) 1249 snd_rawmidi_receive(midi->substream_input, &byte, 1); 1250 } 1251 } 1252 spin_unlock(&midi->input_lock); 1253 1254 spin_lock(&midi->output_lock); 1255 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) { 1256 if (midi->substream_output && 1257 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) { 1258 mpu401_write_data(emu, midi, byte); 1259 } else { 1260 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1261 } 1262 } 1263 spin_unlock(&midi->output_lock); 1264} 1265 1266static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status) 1267{ 1268 do_emu10k1x_midi_interrupt(emu, &emu->midi, status); 1269} 1270 1271static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu, 1272 struct emu10k1x_midi *midi, unsigned char cmd, int ack) 1273{ 1274 unsigned long flags; 1275 int timeout, ok; 1276 1277 spin_lock_irqsave(&midi->input_lock, flags); 1278 mpu401_write_data(emu, midi, 0x00); 1279 /* mpu401_clear_rx(emu, midi); */ 1280 1281 mpu401_write_cmd(emu, midi, cmd); 1282 if (ack) { 1283 ok = 0; 1284 timeout = 10000; 1285 while (!ok && timeout-- > 0) { 1286 if (mpu401_input_avail(emu, midi)) { 1287 if (mpu401_read_data(emu, midi) == MPU401_ACK) 1288 ok = 1; 1289 } 1290 } 1291 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK) 1292 ok = 1; 1293 } else { 1294 ok = 1; 1295 } 1296 spin_unlock_irqrestore(&midi->input_lock, flags); 1297 if (!ok) { 1298 snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n", 1299 cmd, emu->port, 1300 mpu401_read_stat(emu, midi), 1301 mpu401_read_data(emu, midi)); 1302 return 1; 1303 } 1304 return 0; 1305} 1306 1307static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream) 1308{ 1309 struct emu10k1x *emu; 1310 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1311 unsigned long flags; 1312 1313 emu = midi->emu; 1314 if (snd_BUG_ON(!emu)) 1315 return -ENXIO; 1316 spin_lock_irqsave(&midi->open_lock, flags); 1317 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; 1318 midi->substream_input = substream; 1319 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1320 spin_unlock_irqrestore(&midi->open_lock, flags); 1321 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) 1322 goto error_out; 1323 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) 1324 goto error_out; 1325 } else { 1326 spin_unlock_irqrestore(&midi->open_lock, flags); 1327 } 1328 return 0; 1329 1330error_out: 1331 return -EIO; 1332} 1333 1334static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream) 1335{ 1336 struct emu10k1x *emu; 1337 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1338 unsigned long flags; 1339 1340 emu = midi->emu; 1341 if (snd_BUG_ON(!emu)) 1342 return -ENXIO; 1343 spin_lock_irqsave(&midi->open_lock, flags); 1344 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; 1345 midi->substream_output = substream; 1346 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1347 spin_unlock_irqrestore(&midi->open_lock, flags); 1348 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) 1349 goto error_out; 1350 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) 1351 goto error_out; 1352 } else { 1353 spin_unlock_irqrestore(&midi->open_lock, flags); 1354 } 1355 return 0; 1356 1357error_out: 1358 return -EIO; 1359} 1360 1361static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream) 1362{ 1363 struct emu10k1x *emu; 1364 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1365 unsigned long flags; 1366 int err = 0; 1367 1368 emu = midi->emu; 1369 if (snd_BUG_ON(!emu)) 1370 return -ENXIO; 1371 spin_lock_irqsave(&midi->open_lock, flags); 1372 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1373 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; 1374 midi->substream_input = NULL; 1375 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { 1376 spin_unlock_irqrestore(&midi->open_lock, flags); 1377 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1378 } else { 1379 spin_unlock_irqrestore(&midi->open_lock, flags); 1380 } 1381 return err; 1382} 1383 1384static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream) 1385{ 1386 struct emu10k1x *emu; 1387 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1388 unsigned long flags; 1389 int err = 0; 1390 1391 emu = midi->emu; 1392 if (snd_BUG_ON(!emu)) 1393 return -ENXIO; 1394 spin_lock_irqsave(&midi->open_lock, flags); 1395 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1396 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; 1397 midi->substream_output = NULL; 1398 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { 1399 spin_unlock_irqrestore(&midi->open_lock, flags); 1400 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); 1401 } else { 1402 spin_unlock_irqrestore(&midi->open_lock, flags); 1403 } 1404 return err; 1405} 1406 1407static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) 1408{ 1409 struct emu10k1x *emu; 1410 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1411 emu = midi->emu; 1412 if (snd_BUG_ON(!emu)) 1413 return; 1414 1415 if (up) 1416 snd_emu10k1x_intr_enable(emu, midi->rx_enable); 1417 else 1418 snd_emu10k1x_intr_disable(emu, midi->rx_enable); 1419} 1420 1421static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) 1422{ 1423 struct emu10k1x *emu; 1424 struct emu10k1x_midi *midi = substream->rmidi->private_data; 1425 unsigned long flags; 1426 1427 emu = midi->emu; 1428 if (snd_BUG_ON(!emu)) 1429 return; 1430 1431 if (up) { 1432 int max = 4; 1433 unsigned char byte; 1434 1435 /* try to send some amount of bytes here before interrupts */ 1436 spin_lock_irqsave(&midi->output_lock, flags); 1437 while (max > 0) { 1438 if (mpu401_output_ready(emu, midi)) { 1439 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) || 1440 snd_rawmidi_transmit(substream, &byte, 1) != 1) { 1441 /* no more data */ 1442 spin_unlock_irqrestore(&midi->output_lock, flags); 1443 return; 1444 } 1445 mpu401_write_data(emu, midi, byte); 1446 max--; 1447 } else { 1448 break; 1449 } 1450 } 1451 spin_unlock_irqrestore(&midi->output_lock, flags); 1452 snd_emu10k1x_intr_enable(emu, midi->tx_enable); 1453 } else { 1454 snd_emu10k1x_intr_disable(emu, midi->tx_enable); 1455 } 1456} 1457 1458/* 1459 1460 */ 1461 1462static struct snd_rawmidi_ops snd_emu10k1x_midi_output = 1463{ 1464 .open = snd_emu10k1x_midi_output_open, 1465 .close = snd_emu10k1x_midi_output_close, 1466 .trigger = snd_emu10k1x_midi_output_trigger, 1467}; 1468 1469static struct snd_rawmidi_ops snd_emu10k1x_midi_input = 1470{ 1471 .open = snd_emu10k1x_midi_input_open, 1472 .close = snd_emu10k1x_midi_input_close, 1473 .trigger = snd_emu10k1x_midi_input_trigger, 1474}; 1475 1476static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi) 1477{ 1478 struct emu10k1x_midi *midi = rmidi->private_data; 1479 midi->interrupt = NULL; 1480 midi->rmidi = NULL; 1481} 1482 1483static int __devinit emu10k1x_midi_init(struct emu10k1x *emu, 1484 struct emu10k1x_midi *midi, int device, char *name) 1485{ 1486 struct snd_rawmidi *rmidi; 1487 int err; 1488 1489 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0) 1490 return err; 1491 midi->emu = emu; 1492 spin_lock_init(&midi->open_lock); 1493 spin_lock_init(&midi->input_lock); 1494 spin_lock_init(&midi->output_lock); 1495 strcpy(rmidi->name, name); 1496 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output); 1497 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input); 1498 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | 1499 SNDRV_RAWMIDI_INFO_INPUT | 1500 SNDRV_RAWMIDI_INFO_DUPLEX; 1501 rmidi->private_data = midi; 1502 rmidi->private_free = snd_emu10k1x_midi_free; 1503 midi->rmidi = rmidi; 1504 return 0; 1505} 1506 1507static int __devinit snd_emu10k1x_midi(struct emu10k1x *emu) 1508{ 1509 struct emu10k1x_midi *midi = &emu->midi; 1510 int err; 1511 1512 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0) 1513 return err; 1514 1515 midi->tx_enable = INTE_MIDITXENABLE; 1516 midi->rx_enable = INTE_MIDIRXENABLE; 1517 midi->port = MUDATA; 1518 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY; 1519 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY; 1520 midi->interrupt = snd_emu10k1x_midi_interrupt; 1521 return 0; 1522} 1523 1524static int __devinit snd_emu10k1x_probe(struct pci_dev *pci, 1525 const struct pci_device_id *pci_id) 1526{ 1527 static int dev; 1528 struct snd_card *card; 1529 struct emu10k1x *chip; 1530 int err; 1531 1532 if (dev >= SNDRV_CARDS) 1533 return -ENODEV; 1534 if (!enable[dev]) { 1535 dev++; 1536 return -ENOENT; 1537 } 1538 1539 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); 1540 if (err < 0) 1541 return err; 1542 1543 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) { 1544 snd_card_free(card); 1545 return err; 1546 } 1547 1548 if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) { 1549 snd_card_free(card); 1550 return err; 1551 } 1552 if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) { 1553 snd_card_free(card); 1554 return err; 1555 } 1556 if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) { 1557 snd_card_free(card); 1558 return err; 1559 } 1560 1561 if ((err = snd_emu10k1x_ac97(chip)) < 0) { 1562 snd_card_free(card); 1563 return err; 1564 } 1565 1566 if ((err = snd_emu10k1x_mixer(chip)) < 0) { 1567 snd_card_free(card); 1568 return err; 1569 } 1570 1571 if ((err = snd_emu10k1x_midi(chip)) < 0) { 1572 snd_card_free(card); 1573 return err; 1574 } 1575 1576 snd_emu10k1x_proc_init(chip); 1577 1578 strcpy(card->driver, "EMU10K1X"); 1579 strcpy(card->shortname, "Dell Sound Blaster Live!"); 1580 sprintf(card->longname, "%s at 0x%lx irq %i", 1581 card->shortname, chip->port, chip->irq); 1582 1583 snd_card_set_dev(card, &pci->dev); 1584 1585 if ((err = snd_card_register(card)) < 0) { 1586 snd_card_free(card); 1587 return err; 1588 } 1589 1590 pci_set_drvdata(pci, card); 1591 dev++; 1592 return 0; 1593} 1594 1595static void __devexit snd_emu10k1x_remove(struct pci_dev *pci) 1596{ 1597 snd_card_free(pci_get_drvdata(pci)); 1598 pci_set_drvdata(pci, NULL); 1599} 1600 1601// PCI IDs 1602static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = { 1603 { PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */ 1604 { 0, } 1605}; 1606MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); 1607 1608// pci_driver definition 1609static struct pci_driver driver = { 1610 .name = "EMU10K1X", 1611 .id_table = snd_emu10k1x_ids, 1612 .probe = snd_emu10k1x_probe, 1613 .remove = __devexit_p(snd_emu10k1x_remove), 1614}; 1615 1616// initialization of the module 1617static int __init alsa_card_emu10k1x_init(void) 1618{ 1619 return pci_register_driver(&driver); 1620} 1621 1622// clean up the module 1623static void __exit alsa_card_emu10k1x_exit(void) 1624{ 1625 pci_unregister_driver(&driver); 1626} 1627 1628module_init(alsa_card_emu10k1x_init) 1629module_exit(alsa_card_emu10k1x_exit) 1630