1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Support for Digigram Lola PCI-e boards 4 * 5 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de> 6 */ 7 8#include <linux/kernel.h> 9#include <linux/init.h> 10#include <linux/module.h> 11#include <linux/dma-mapping.h> 12#include <linux/delay.h> 13#include <linux/interrupt.h> 14#include <linux/slab.h> 15#include <linux/pci.h> 16#include <sound/core.h> 17#include <sound/control.h> 18#include <sound/pcm.h> 19#include <sound/initval.h> 20#include "lola.h" 21 22/* Standard options */ 23static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 24static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 25static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 26 27module_param_array(index, int, NULL, 0444); 28MODULE_PARM_DESC(index, "Index value for Digigram Lola driver."); 29module_param_array(id, charp, NULL, 0444); 30MODULE_PARM_DESC(id, "ID string for Digigram Lola driver."); 31module_param_array(enable, bool, NULL, 0444); 32MODULE_PARM_DESC(enable, "Enable Digigram Lola driver."); 33 34/* Lola-specific options */ 35 36/* for instance use always max granularity which is compatible 37 * with all sample rates 38 */ 39static int granularity[SNDRV_CARDS] = { 40 [0 ... (SNDRV_CARDS - 1)] = LOLA_GRANULARITY_MAX 41}; 42 43/* below a sample_rate of 16kHz the analogue audio quality is NOT excellent */ 44static int sample_rate_min[SNDRV_CARDS] = { 45 [0 ... (SNDRV_CARDS - 1) ] = 16000 46}; 47 48module_param_array(granularity, int, NULL, 0444); 49MODULE_PARM_DESC(granularity, "Granularity value"); 50module_param_array(sample_rate_min, int, NULL, 0444); 51MODULE_PARM_DESC(sample_rate_min, "Minimal sample rate"); 52 53/* 54 */ 55 56MODULE_LICENSE("GPL"); 57MODULE_DESCRIPTION("Digigram Lola driver"); 58MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); 59 60#ifdef CONFIG_SND_DEBUG_VERBOSE 61static int debug; 62module_param(debug, int, 0644); 63#define verbose_debug(fmt, args...) \ 64 do { if (debug > 1) pr_debug(SFX fmt, ##args); } while (0) 65#else 66#define verbose_debug(fmt, args...) 67#endif 68 69/* 70 * pseudo-codec read/write via CORB/RIRB 71 */ 72 73static int corb_send_verb(struct lola *chip, unsigned int nid, 74 unsigned int verb, unsigned int data, 75 unsigned int extdata) 76{ 77 unsigned long flags; 78 int ret = -EIO; 79 80 chip->last_cmd_nid = nid; 81 chip->last_verb = verb; 82 chip->last_data = data; 83 chip->last_extdata = extdata; 84 data |= (nid << 20) | (verb << 8); 85 86 spin_lock_irqsave(&chip->reg_lock, flags); 87 if (chip->rirb.cmds < LOLA_CORB_ENTRIES - 1) { 88 unsigned int wp = chip->corb.wp + 1; 89 wp %= LOLA_CORB_ENTRIES; 90 chip->corb.wp = wp; 91 chip->corb.buf[wp * 2] = cpu_to_le32(data); 92 chip->corb.buf[wp * 2 + 1] = cpu_to_le32(extdata); 93 lola_writew(chip, BAR0, CORBWP, wp); 94 chip->rirb.cmds++; 95 smp_wmb(); 96 ret = 0; 97 } 98 spin_unlock_irqrestore(&chip->reg_lock, flags); 99 return ret; 100} 101 102static void lola_queue_unsol_event(struct lola *chip, unsigned int res, 103 unsigned int res_ex) 104{ 105 lola_update_ext_clock_freq(chip, res); 106} 107 108/* retrieve RIRB entry - called from interrupt handler */ 109static void lola_update_rirb(struct lola *chip) 110{ 111 unsigned int rp, wp; 112 u32 res, res_ex; 113 114 wp = lola_readw(chip, BAR0, RIRBWP); 115 if (wp == chip->rirb.wp) 116 return; 117 chip->rirb.wp = wp; 118 119 while (chip->rirb.rp != wp) { 120 chip->rirb.rp++; 121 chip->rirb.rp %= LOLA_CORB_ENTRIES; 122 123 rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */ 124 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]); 125 res = le32_to_cpu(chip->rirb.buf[rp]); 126 if (res_ex & LOLA_RIRB_EX_UNSOL_EV) 127 lola_queue_unsol_event(chip, res, res_ex); 128 else if (chip->rirb.cmds) { 129 chip->res = res; 130 chip->res_ex = res_ex; 131 smp_wmb(); 132 chip->rirb.cmds--; 133 } 134 } 135} 136 137static int rirb_get_response(struct lola *chip, unsigned int *val, 138 unsigned int *extval) 139{ 140 unsigned long timeout; 141 142 again: 143 timeout = jiffies + msecs_to_jiffies(1000); 144 for (;;) { 145 if (chip->polling_mode) { 146 spin_lock_irq(&chip->reg_lock); 147 lola_update_rirb(chip); 148 spin_unlock_irq(&chip->reg_lock); 149 } 150 if (!chip->rirb.cmds) { 151 *val = chip->res; 152 if (extval) 153 *extval = chip->res_ex; 154 verbose_debug("get_response: %x, %x\n", 155 chip->res, chip->res_ex); 156 if (chip->res_ex & LOLA_RIRB_EX_ERROR) { 157 dev_warn(chip->card->dev, "RIRB ERROR: " 158 "NID=%x, verb=%x, data=%x, ext=%x\n", 159 chip->last_cmd_nid, 160 chip->last_verb, chip->last_data, 161 chip->last_extdata); 162 return -EIO; 163 } 164 return 0; 165 } 166 if (time_after(jiffies, timeout)) 167 break; 168 udelay(20); 169 cond_resched(); 170 } 171 dev_warn(chip->card->dev, "RIRB response error\n"); 172 if (!chip->polling_mode) { 173 dev_warn(chip->card->dev, "switching to polling mode\n"); 174 chip->polling_mode = 1; 175 goto again; 176 } 177 return -EIO; 178} 179 180/* aynchronous write of a codec verb with data */ 181int lola_codec_write(struct lola *chip, unsigned int nid, unsigned int verb, 182 unsigned int data, unsigned int extdata) 183{ 184 verbose_debug("codec_write NID=%x, verb=%x, data=%x, ext=%x\n", 185 nid, verb, data, extdata); 186 return corb_send_verb(chip, nid, verb, data, extdata); 187} 188 189/* write a codec verb with data and read the returned status */ 190int lola_codec_read(struct lola *chip, unsigned int nid, unsigned int verb, 191 unsigned int data, unsigned int extdata, 192 unsigned int *val, unsigned int *extval) 193{ 194 int err; 195 196 verbose_debug("codec_read NID=%x, verb=%x, data=%x, ext=%x\n", 197 nid, verb, data, extdata); 198 err = corb_send_verb(chip, nid, verb, data, extdata); 199 if (err < 0) 200 return err; 201 err = rirb_get_response(chip, val, extval); 202 return err; 203} 204 205/* flush all pending codec writes */ 206int lola_codec_flush(struct lola *chip) 207{ 208 unsigned int tmp; 209 return rirb_get_response(chip, &tmp, NULL); 210} 211 212/* 213 * interrupt handler 214 */ 215static irqreturn_t lola_interrupt(int irq, void *dev_id) 216{ 217 struct lola *chip = dev_id; 218 unsigned int notify_ins, notify_outs, error_ins, error_outs; 219 int handled = 0; 220 int i; 221 222 notify_ins = notify_outs = error_ins = error_outs = 0; 223 spin_lock(&chip->reg_lock); 224 for (;;) { 225 unsigned int status, in_sts, out_sts; 226 unsigned int reg; 227 228 status = lola_readl(chip, BAR1, DINTSTS); 229 if (!status || status == -1) 230 break; 231 232 in_sts = lola_readl(chip, BAR1, DIINTSTS); 233 out_sts = lola_readl(chip, BAR1, DOINTSTS); 234 235 /* clear Input Interrupts */ 236 for (i = 0; in_sts && i < chip->pcm[CAPT].num_streams; i++) { 237 if (!(in_sts & (1 << i))) 238 continue; 239 in_sts &= ~(1 << i); 240 reg = lola_dsd_read(chip, i, STS); 241 if (reg & LOLA_DSD_STS_DESE) /* error */ 242 error_ins |= (1 << i); 243 if (reg & LOLA_DSD_STS_BCIS) /* notify */ 244 notify_ins |= (1 << i); 245 /* clear */ 246 lola_dsd_write(chip, i, STS, reg); 247 } 248 249 /* clear Output Interrupts */ 250 for (i = 0; out_sts && i < chip->pcm[PLAY].num_streams; i++) { 251 if (!(out_sts & (1 << i))) 252 continue; 253 out_sts &= ~(1 << i); 254 reg = lola_dsd_read(chip, i + MAX_STREAM_IN_COUNT, STS); 255 if (reg & LOLA_DSD_STS_DESE) /* error */ 256 error_outs |= (1 << i); 257 if (reg & LOLA_DSD_STS_BCIS) /* notify */ 258 notify_outs |= (1 << i); 259 lola_dsd_write(chip, i + MAX_STREAM_IN_COUNT, STS, reg); 260 } 261 262 if (status & LOLA_DINT_CTRL) { 263 unsigned char rbsts; /* ring status is byte access */ 264 rbsts = lola_readb(chip, BAR0, RIRBSTS); 265 rbsts &= LOLA_RIRB_INT_MASK; 266 if (rbsts) 267 lola_writeb(chip, BAR0, RIRBSTS, rbsts); 268 rbsts = lola_readb(chip, BAR0, CORBSTS); 269 rbsts &= LOLA_CORB_INT_MASK; 270 if (rbsts) 271 lola_writeb(chip, BAR0, CORBSTS, rbsts); 272 273 lola_update_rirb(chip); 274 } 275 276 if (status & (LOLA_DINT_FIFOERR | LOLA_DINT_MUERR)) { 277 /* clear global fifo error interrupt */ 278 lola_writel(chip, BAR1, DINTSTS, 279 (status & (LOLA_DINT_FIFOERR | LOLA_DINT_MUERR))); 280 } 281 handled = 1; 282 } 283 spin_unlock(&chip->reg_lock); 284 285 lola_pcm_update(chip, &chip->pcm[CAPT], notify_ins); 286 lola_pcm_update(chip, &chip->pcm[PLAY], notify_outs); 287 288 return IRQ_RETVAL(handled); 289} 290 291 292/* 293 * controller 294 */ 295static int reset_controller(struct lola *chip) 296{ 297 unsigned int gctl = lola_readl(chip, BAR0, GCTL); 298 unsigned long end_time; 299 300 if (gctl) { 301 /* to be sure */ 302 lola_writel(chip, BAR1, BOARD_MODE, 0); 303 return 0; 304 } 305 306 chip->cold_reset = 1; 307 lola_writel(chip, BAR0, GCTL, LOLA_GCTL_RESET); 308 end_time = jiffies + msecs_to_jiffies(200); 309 do { 310 msleep(1); 311 gctl = lola_readl(chip, BAR0, GCTL); 312 if (gctl) 313 break; 314 } while (time_before(jiffies, end_time)); 315 if (!gctl) { 316 dev_err(chip->card->dev, "cannot reset controller\n"); 317 return -EIO; 318 } 319 return 0; 320} 321 322static void lola_irq_enable(struct lola *chip) 323{ 324 unsigned int val; 325 326 /* enalbe all I/O streams */ 327 val = (1 << chip->pcm[PLAY].num_streams) - 1; 328 lola_writel(chip, BAR1, DOINTCTL, val); 329 val = (1 << chip->pcm[CAPT].num_streams) - 1; 330 lola_writel(chip, BAR1, DIINTCTL, val); 331 332 /* enable global irqs */ 333 val = LOLA_DINT_GLOBAL | LOLA_DINT_CTRL | LOLA_DINT_FIFOERR | 334 LOLA_DINT_MUERR; 335 lola_writel(chip, BAR1, DINTCTL, val); 336} 337 338static void lola_irq_disable(struct lola *chip) 339{ 340 lola_writel(chip, BAR1, DINTCTL, 0); 341 lola_writel(chip, BAR1, DIINTCTL, 0); 342 lola_writel(chip, BAR1, DOINTCTL, 0); 343} 344 345static int setup_corb_rirb(struct lola *chip) 346{ 347 unsigned char tmp; 348 unsigned long end_time; 349 350 chip->rb = snd_devm_alloc_pages(&chip->pci->dev, SNDRV_DMA_TYPE_DEV, 351 PAGE_SIZE); 352 if (!chip->rb) 353 return -ENOMEM; 354 355 chip->corb.addr = chip->rb->addr; 356 chip->corb.buf = (__le32 *)chip->rb->area; 357 chip->rirb.addr = chip->rb->addr + 2048; 358 chip->rirb.buf = (__le32 *)(chip->rb->area + 2048); 359 360 /* disable ringbuffer DMAs */ 361 lola_writeb(chip, BAR0, RIRBCTL, 0); 362 lola_writeb(chip, BAR0, CORBCTL, 0); 363 364 end_time = jiffies + msecs_to_jiffies(200); 365 do { 366 if (!lola_readb(chip, BAR0, RIRBCTL) && 367 !lola_readb(chip, BAR0, CORBCTL)) 368 break; 369 msleep(1); 370 } while (time_before(jiffies, end_time)); 371 372 /* CORB set up */ 373 lola_writel(chip, BAR0, CORBLBASE, (u32)chip->corb.addr); 374 lola_writel(chip, BAR0, CORBUBASE, upper_32_bits(chip->corb.addr)); 375 /* set the corb size to 256 entries */ 376 lola_writeb(chip, BAR0, CORBSIZE, 0x02); 377 /* set the corb write pointer to 0 */ 378 lola_writew(chip, BAR0, CORBWP, 0); 379 /* reset the corb hw read pointer */ 380 lola_writew(chip, BAR0, CORBRP, LOLA_RBRWP_CLR); 381 /* enable corb dma */ 382 lola_writeb(chip, BAR0, CORBCTL, LOLA_RBCTL_DMA_EN); 383 /* clear flags if set */ 384 tmp = lola_readb(chip, BAR0, CORBSTS) & LOLA_CORB_INT_MASK; 385 if (tmp) 386 lola_writeb(chip, BAR0, CORBSTS, tmp); 387 chip->corb.wp = 0; 388 389 /* RIRB set up */ 390 lola_writel(chip, BAR0, RIRBLBASE, (u32)chip->rirb.addr); 391 lola_writel(chip, BAR0, RIRBUBASE, upper_32_bits(chip->rirb.addr)); 392 /* set the rirb size to 256 entries */ 393 lola_writeb(chip, BAR0, RIRBSIZE, 0x02); 394 /* reset the rirb hw write pointer */ 395 lola_writew(chip, BAR0, RIRBWP, LOLA_RBRWP_CLR); 396 /* set N=1, get RIRB response interrupt for new entry */ 397 lola_writew(chip, BAR0, RINTCNT, 1); 398 /* enable rirb dma and response irq */ 399 lola_writeb(chip, BAR0, RIRBCTL, LOLA_RBCTL_DMA_EN | LOLA_RBCTL_IRQ_EN); 400 /* clear flags if set */ 401 tmp = lola_readb(chip, BAR0, RIRBSTS) & LOLA_RIRB_INT_MASK; 402 if (tmp) 403 lola_writeb(chip, BAR0, RIRBSTS, tmp); 404 chip->rirb.rp = chip->rirb.cmds = 0; 405 406 return 0; 407} 408 409static void stop_corb_rirb(struct lola *chip) 410{ 411 /* disable ringbuffer DMAs */ 412 lola_writeb(chip, BAR0, RIRBCTL, 0); 413 lola_writeb(chip, BAR0, CORBCTL, 0); 414} 415 416static void lola_reset_setups(struct lola *chip) 417{ 418 /* update the granularity */ 419 lola_set_granularity(chip, chip->granularity, true); 420 /* update the sample clock */ 421 lola_set_clock_index(chip, chip->clock.cur_index); 422 /* enable unsolicited events of the clock widget */ 423 lola_enable_clock_events(chip); 424 /* update the analog gains */ 425 lola_setup_all_analog_gains(chip, CAPT, false); /* input, update */ 426 /* update SRC configuration if applicable */ 427 lola_set_src_config(chip, chip->input_src_mask, false); 428 /* update the analog outputs */ 429 lola_setup_all_analog_gains(chip, PLAY, false); /* output, update */ 430} 431 432static int lola_parse_tree(struct lola *chip) 433{ 434 unsigned int val; 435 int nid, err; 436 437 err = lola_read_param(chip, 0, LOLA_PAR_VENDOR_ID, &val); 438 if (err < 0) { 439 dev_err(chip->card->dev, "Can't read VENDOR_ID\n"); 440 return err; 441 } 442 val >>= 16; 443 if (val != 0x1369) { 444 dev_err(chip->card->dev, "Unknown codec vendor 0x%x\n", val); 445 return -EINVAL; 446 } 447 448 err = lola_read_param(chip, 1, LOLA_PAR_FUNCTION_TYPE, &val); 449 if (err < 0) { 450 dev_err(chip->card->dev, "Can't read FUNCTION_TYPE\n"); 451 return err; 452 } 453 if (val != 1) { 454 dev_err(chip->card->dev, "Unknown function type %d\n", val); 455 return -EINVAL; 456 } 457 458 err = lola_read_param(chip, 1, LOLA_PAR_SPECIFIC_CAPS, &val); 459 if (err < 0) { 460 dev_err(chip->card->dev, "Can't read SPECCAPS\n"); 461 return err; 462 } 463 chip->lola_caps = val; 464 chip->pin[CAPT].num_pins = LOLA_AFG_INPUT_PIN_COUNT(chip->lola_caps); 465 chip->pin[PLAY].num_pins = LOLA_AFG_OUTPUT_PIN_COUNT(chip->lola_caps); 466 dev_dbg(chip->card->dev, "speccaps=0x%x, pins in=%d, out=%d\n", 467 chip->lola_caps, 468 chip->pin[CAPT].num_pins, chip->pin[PLAY].num_pins); 469 470 if (chip->pin[CAPT].num_pins > MAX_AUDIO_INOUT_COUNT || 471 chip->pin[PLAY].num_pins > MAX_AUDIO_INOUT_COUNT) { 472 dev_err(chip->card->dev, "Invalid Lola-spec caps 0x%x\n", val); 473 return -EINVAL; 474 } 475 476 nid = 0x02; 477 err = lola_init_pcm(chip, CAPT, &nid); 478 if (err < 0) 479 return err; 480 err = lola_init_pcm(chip, PLAY, &nid); 481 if (err < 0) 482 return err; 483 484 err = lola_init_pins(chip, CAPT, &nid); 485 if (err < 0) 486 return err; 487 err = lola_init_pins(chip, PLAY, &nid); 488 if (err < 0) 489 return err; 490 491 if (LOLA_AFG_CLOCK_WIDGET_PRESENT(chip->lola_caps)) { 492 err = lola_init_clock_widget(chip, nid); 493 if (err < 0) 494 return err; 495 nid++; 496 } 497 if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) { 498 err = lola_init_mixer_widget(chip, nid); 499 if (err < 0) 500 return err; 501 nid++; 502 } 503 504 /* enable unsolicited events of the clock widget */ 505 err = lola_enable_clock_events(chip); 506 if (err < 0) 507 return err; 508 509 /* if last ResetController was not a ColdReset, we don't know 510 * the state of the card; initialize here again 511 */ 512 if (!chip->cold_reset) { 513 lola_reset_setups(chip); 514 chip->cold_reset = 1; 515 } else { 516 /* set the granularity if it is not the default */ 517 if (chip->granularity != LOLA_GRANULARITY_MIN) 518 lola_set_granularity(chip, chip->granularity, true); 519 } 520 521 return 0; 522} 523 524static void lola_stop_hw(struct lola *chip) 525{ 526 stop_corb_rirb(chip); 527 lola_irq_disable(chip); 528} 529 530static void lola_free(struct snd_card *card) 531{ 532 struct lola *chip = card->private_data; 533 534 if (chip->initialized) 535 lola_stop_hw(chip); 536 lola_free_mixer(chip); 537} 538 539static int lola_create(struct snd_card *card, struct pci_dev *pci, int dev) 540{ 541 struct lola *chip = card->private_data; 542 int err; 543 unsigned int dever; 544 545 err = pcim_enable_device(pci); 546 if (err < 0) 547 return err; 548 549 spin_lock_init(&chip->reg_lock); 550 mutex_init(&chip->open_mutex); 551 chip->card = card; 552 chip->pci = pci; 553 chip->irq = -1; 554 card->private_free = lola_free; 555 556 chip->granularity = granularity[dev]; 557 switch (chip->granularity) { 558 case 8: 559 chip->sample_rate_max = 48000; 560 break; 561 case 16: 562 chip->sample_rate_max = 96000; 563 break; 564 case 32: 565 chip->sample_rate_max = 192000; 566 break; 567 default: 568 dev_warn(chip->card->dev, 569 "Invalid granularity %d, reset to %d\n", 570 chip->granularity, LOLA_GRANULARITY_MAX); 571 chip->granularity = LOLA_GRANULARITY_MAX; 572 chip->sample_rate_max = 192000; 573 break; 574 } 575 chip->sample_rate_min = sample_rate_min[dev]; 576 if (chip->sample_rate_min > chip->sample_rate_max) { 577 dev_warn(chip->card->dev, 578 "Invalid sample_rate_min %d, reset to 16000\n", 579 chip->sample_rate_min); 580 chip->sample_rate_min = 16000; 581 } 582 583 err = pcim_iomap_regions(pci, (1 << 0) | (1 << 2), DRVNAME); 584 if (err < 0) 585 return err; 586 587 chip->bar[0].addr = pci_resource_start(pci, 0); 588 chip->bar[0].remap_addr = pcim_iomap_table(pci)[0]; 589 chip->bar[1].addr = pci_resource_start(pci, 2); 590 chip->bar[1].remap_addr = pcim_iomap_table(pci)[2]; 591 592 pci_set_master(pci); 593 594 err = reset_controller(chip); 595 if (err < 0) 596 return err; 597 598 if (devm_request_irq(&pci->dev, pci->irq, lola_interrupt, IRQF_SHARED, 599 KBUILD_MODNAME, chip)) { 600 dev_err(chip->card->dev, "unable to grab IRQ %d\n", pci->irq); 601 return -EBUSY; 602 } 603 chip->irq = pci->irq; 604 card->sync_irq = chip->irq; 605 606 dever = lola_readl(chip, BAR1, DEVER); 607 chip->pcm[CAPT].num_streams = (dever >> 0) & 0x3ff; 608 chip->pcm[PLAY].num_streams = (dever >> 10) & 0x3ff; 609 chip->version = (dever >> 24) & 0xff; 610 dev_dbg(chip->card->dev, "streams in=%d, out=%d, version=0x%x\n", 611 chip->pcm[CAPT].num_streams, chip->pcm[PLAY].num_streams, 612 chip->version); 613 614 /* Test LOLA_BAR1_DEVER */ 615 if (chip->pcm[CAPT].num_streams > MAX_STREAM_IN_COUNT || 616 chip->pcm[PLAY].num_streams > MAX_STREAM_OUT_COUNT || 617 (!chip->pcm[CAPT].num_streams && 618 !chip->pcm[PLAY].num_streams)) { 619 dev_err(chip->card->dev, "invalid DEVER = %x\n", dever); 620 return -EINVAL; 621 } 622 623 err = setup_corb_rirb(chip); 624 if (err < 0) 625 return err; 626 627 strcpy(card->driver, "Lola"); 628 strscpy(card->shortname, "Digigram Lola", sizeof(card->shortname)); 629 snprintf(card->longname, sizeof(card->longname), 630 "%s at 0x%lx irq %i", 631 card->shortname, chip->bar[0].addr, chip->irq); 632 strcpy(card->mixername, card->shortname); 633 634 lola_irq_enable(chip); 635 636 chip->initialized = 1; 637 return 0; 638} 639 640static int __lola_probe(struct pci_dev *pci, 641 const struct pci_device_id *pci_id) 642{ 643 static int dev; 644 struct snd_card *card; 645 struct lola *chip; 646 int err; 647 648 if (dev >= SNDRV_CARDS) 649 return -ENODEV; 650 if (!enable[dev]) { 651 dev++; 652 return -ENOENT; 653 } 654 655 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 656 sizeof(*chip), &card); 657 if (err < 0) { 658 dev_err(&pci->dev, "Error creating card!\n"); 659 return err; 660 } 661 chip = card->private_data; 662 663 err = lola_create(card, pci, dev); 664 if (err < 0) 665 return err; 666 667 err = lola_parse_tree(chip); 668 if (err < 0) 669 return err; 670 671 err = lola_create_pcm(chip); 672 if (err < 0) 673 return err; 674 675 err = lola_create_mixer(chip); 676 if (err < 0) 677 return err; 678 679 lola_proc_debug_new(chip); 680 681 err = snd_card_register(card); 682 if (err < 0) 683 return err; 684 685 pci_set_drvdata(pci, card); 686 dev++; 687 return 0; 688} 689 690static int lola_probe(struct pci_dev *pci, 691 const struct pci_device_id *pci_id) 692{ 693 return snd_card_free_on_error(&pci->dev, __lola_probe(pci, pci_id)); 694} 695 696/* PCI IDs */ 697static const struct pci_device_id lola_ids[] = { 698 { PCI_VDEVICE(DIGIGRAM, 0x0001) }, 699 { 0, } 700}; 701MODULE_DEVICE_TABLE(pci, lola_ids); 702 703/* pci_driver definition */ 704static struct pci_driver lola_driver = { 705 .name = KBUILD_MODNAME, 706 .id_table = lola_ids, 707 .probe = lola_probe, 708}; 709 710module_pci_driver(lola_driver); 711