1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ALSA modem driver for Intel ICH (i8x0) chipsets 4 * 5 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 6 * 7 * This is modified (by Sasha Khapyorsky <sashak@alsa-project.org>) version 8 * of ALSA ICH sound driver intel8x0.c . 9 */ 10 11 #include <linux/io.h> 12 #include <linux/delay.h> 13 #include <linux/interrupt.h> 14 #include <linux/init.h> 15 #include <linux/pci.h> 16 #include <linux/slab.h> 17 #include <linux/module.h> 18 #include <sound/core.h> 19 #include <sound/pcm.h> 20 #include <sound/ac97_codec.h> 21 #include <sound/info.h> 22 #include <sound/initval.h> 23 24 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 25 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; " 26 "SiS 7013; NVidia MCP/2/2S/3 modems"); 27 MODULE_LICENSE("GPL"); 28 29 static int index = -2; /* Exclude the first card */ 30 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 31 static int ac97_clock; 32 33 module_param(index, int, 0444); 34 MODULE_PARM_DESC(index, "Index value for Intel i8x0 modemcard."); 35 module_param(id, charp, 0444); 36 MODULE_PARM_DESC(id, "ID string for Intel i8x0 modemcard."); 37 module_param(ac97_clock, int, 0444); 38 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect)."); 39 40 /* just for backward compatibility */ 41 static bool enable; 42 module_param(enable, bool, 0444); 43 44 /* 45 * Direct registers 46 */ 47 enum { DEVICE_INTEL, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE }; 48 49 #define ICHREG(x) ICH_REG_##x 50 51 #define DEFINE_REGSET(name,base) \ 52 enum { \ 53 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \ 54 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \ 55 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \ 56 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \ 57 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \ 58 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \ 59 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \ 60 } 61 62 /* busmaster blocks */ 63 DEFINE_REGSET(OFF, 0); /* offset */ 64 65 /* values for each busmaster block */ 66 67 /* LVI */ 68 #define ICH_REG_LVI_MASK 0x1f 69 70 /* SR */ 71 #define ICH_FIFOE 0x10 /* FIFO error */ 72 #define ICH_BCIS 0x08 /* buffer completion interrupt status */ 73 #define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */ 74 #define ICH_CELV 0x02 /* current equals last valid */ 75 #define ICH_DCH 0x01 /* DMA controller halted */ 76 77 /* PIV */ 78 #define ICH_REG_PIV_MASK 0x1f /* mask */ 79 80 /* CR */ 81 #define ICH_IOCE 0x10 /* interrupt on completion enable */ 82 #define ICH_FEIE 0x08 /* fifo error interrupt enable */ 83 #define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */ 84 #define ICH_RESETREGS 0x02 /* reset busmaster registers */ 85 #define ICH_STARTBM 0x01 /* start busmaster operation */ 86 87 88 /* global block */ 89 #define ICH_REG_GLOB_CNT 0x3c /* dword - global control */ 90 #define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */ 91 #define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */ 92 #define ICH_PRIE 0x00000010 /* primary resume interrupt enable */ 93 #define ICH_ACLINK 0x00000008 /* AClink shut off */ 94 #define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */ 95 #define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */ 96 #define ICH_GIE 0x00000001 /* GPI interrupt enable */ 97 #define ICH_REG_GLOB_STA 0x40 /* dword - global status */ 98 #define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */ 99 #define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */ 100 #define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */ 101 #define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */ 102 #define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */ 103 #define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */ 104 #define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */ 105 #define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ 106 #define ICH_MD3 0x00020000 /* modem power down semaphore */ 107 #define ICH_AD3 0x00010000 /* audio power down semaphore */ 108 #define ICH_RCS 0x00008000 /* read completion status */ 109 #define ICH_BIT3 0x00004000 /* bit 3 slot 12 */ 110 #define ICH_BIT2 0x00002000 /* bit 2 slot 12 */ 111 #define ICH_BIT1 0x00001000 /* bit 1 slot 12 */ 112 #define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */ 113 #define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */ 114 #define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */ 115 #define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */ 116 #define ICH_MCINT 0x00000080 /* MIC capture interrupt */ 117 #define ICH_POINT 0x00000040 /* playback interrupt */ 118 #define ICH_PIINT 0x00000020 /* capture interrupt */ 119 #define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */ 120 #define ICH_MOINT 0x00000004 /* modem playback interrupt */ 121 #define ICH_MIINT 0x00000002 /* modem capture interrupt */ 122 #define ICH_GSCI 0x00000001 /* GPI status change interrupt */ 123 #define ICH_REG_ACC_SEMA 0x44 /* byte - codec write semaphore */ 124 #define ICH_CAS 0x01 /* codec access semaphore */ 125 126 #define ICH_MAX_FRAGS 32 /* max hw frags */ 127 128 129 /* 130 * 131 */ 132 133 enum { ICHD_MDMIN, ICHD_MDMOUT, ICHD_MDMLAST = ICHD_MDMOUT }; 134 enum { ALID_MDMIN, ALID_MDMOUT, ALID_MDMLAST = ALID_MDMOUT }; 135 136 #define get_ichdev(substream) (substream->runtime->private_data) 137 138 struct ichdev { 139 unsigned int ichd; /* ich device number */ 140 unsigned long reg_offset; /* offset to bmaddr */ 141 __le32 *bdbar; /* CPU address (32bit) */ 142 unsigned int bdbar_addr; /* PCI bus address (32bit) */ 143 struct snd_pcm_substream *substream; 144 unsigned int physbuf; /* physical address (32bit) */ 145 unsigned int size; 146 unsigned int fragsize; 147 unsigned int fragsize1; 148 unsigned int position; 149 int frags; 150 int lvi; 151 int lvi_frag; 152 int civ; 153 int ack; 154 int ack_reload; 155 unsigned int ack_bit; 156 unsigned int roff_sr; 157 unsigned int roff_picb; 158 unsigned int int_sta_mask; /* interrupt status mask */ 159 unsigned int ali_slot; /* ALI DMA slot */ 160 struct snd_ac97 *ac97; 161 }; 162 163 struct intel8x0m { 164 unsigned int device_type; 165 166 int irq; 167 168 void __iomem *addr; 169 void __iomem *bmaddr; 170 171 struct pci_dev *pci; 172 struct snd_card *card; 173 174 int pcm_devs; 175 struct snd_pcm *pcm[2]; 176 struct ichdev ichd[2]; 177 178 unsigned int in_ac97_init: 1; 179 180 struct snd_ac97_bus *ac97_bus; 181 struct snd_ac97 *ac97; 182 183 spinlock_t reg_lock; 184 185 struct snd_dma_buffer bdbars; 186 u32 bdbars_count; 187 u32 int_sta_reg; /* interrupt status register */ 188 u32 int_sta_mask; /* interrupt status mask */ 189 unsigned int pcm_pos_shift; 190 }; 191 192 static const struct pci_device_id snd_intel8x0m_ids[] = { 193 { PCI_VDEVICE(INTEL, 0x2416), DEVICE_INTEL }, /* 82801AA */ 194 { PCI_VDEVICE(INTEL, 0x2426), DEVICE_INTEL }, /* 82901AB */ 195 { PCI_VDEVICE(INTEL, 0x2446), DEVICE_INTEL }, /* 82801BA */ 196 { PCI_VDEVICE(INTEL, 0x2486), DEVICE_INTEL }, /* ICH3 */ 197 { PCI_VDEVICE(INTEL, 0x24c6), DEVICE_INTEL }, /* ICH4 */ 198 { PCI_VDEVICE(INTEL, 0x24d6), DEVICE_INTEL }, /* ICH5 */ 199 { PCI_VDEVICE(INTEL, 0x266d), DEVICE_INTEL }, /* ICH6 */ 200 { PCI_VDEVICE(INTEL, 0x27dd), DEVICE_INTEL }, /* ICH7 */ 201 { PCI_VDEVICE(INTEL, 0x7196), DEVICE_INTEL }, /* 440MX */ 202 { PCI_VDEVICE(AMD, 0x7446), DEVICE_INTEL }, /* AMD768 */ 203 { PCI_VDEVICE(SI, 0x7013), DEVICE_SIS }, /* SI7013 */ 204 { PCI_VDEVICE(NVIDIA, 0x01c1), DEVICE_NFORCE }, /* NFORCE */ 205 { PCI_VDEVICE(NVIDIA, 0x0069), DEVICE_NFORCE }, /* NFORCE2 */ 206 { PCI_VDEVICE(NVIDIA, 0x0089), DEVICE_NFORCE }, /* NFORCE2s */ 207 { PCI_VDEVICE(NVIDIA, 0x00d9), DEVICE_NFORCE }, /* NFORCE3 */ 208 { PCI_VDEVICE(AMD, 0x746e), DEVICE_INTEL }, /* AMD8111 */ 209 #if 0 210 { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI }, /* Ali5455 */ 211 #endif 212 { 0, } 213 }; 214 215 MODULE_DEVICE_TABLE(pci, snd_intel8x0m_ids); 216 217 /* 218 * Lowlevel I/O - busmaster 219 */ 220 221 static inline u8 igetbyte(struct intel8x0m *chip, u32 offset) 222 { 223 return ioread8(chip->bmaddr + offset); 224 } 225 226 static inline u16 igetword(struct intel8x0m *chip, u32 offset) 227 { 228 return ioread16(chip->bmaddr + offset); 229 } 230 231 static inline u32 igetdword(struct intel8x0m *chip, u32 offset) 232 { 233 return ioread32(chip->bmaddr + offset); 234 } 235 236 static inline void iputbyte(struct intel8x0m *chip, u32 offset, u8 val) 237 { 238 iowrite8(val, chip->bmaddr + offset); 239 } 240 241 static inline void iputword(struct intel8x0m *chip, u32 offset, u16 val) 242 { 243 iowrite16(val, chip->bmaddr + offset); 244 } 245 246 static inline void iputdword(struct intel8x0m *chip, u32 offset, u32 val) 247 { 248 iowrite32(val, chip->bmaddr + offset); 249 } 250 251 /* 252 * Lowlevel I/O - AC'97 registers 253 */ 254 255 static inline u16 iagetword(struct intel8x0m *chip, u32 offset) 256 { 257 return ioread16(chip->addr + offset); 258 } 259 260 static inline void iaputword(struct intel8x0m *chip, u32 offset, u16 val) 261 { 262 iowrite16(val, chip->addr + offset); 263 } 264 265 /* 266 * Basic I/O 267 */ 268 269 /* 270 * access to AC97 codec via normal i/o (for ICH and SIS7013) 271 */ 272 273 /* return the GLOB_STA bit for the corresponding codec */ 274 static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec) 275 { 276 static const unsigned int codec_bit[3] = { 277 ICH_PCR, ICH_SCR, ICH_TCR 278 }; 279 if (snd_BUG_ON(codec >= 3)) 280 return ICH_PCR; 281 return codec_bit[codec]; 282 } 283 284 static int snd_intel8x0m_codec_semaphore(struct intel8x0m *chip, unsigned int codec) 285 { 286 int time; 287 288 if (codec > 1) 289 return -EIO; 290 codec = get_ich_codec_bit(chip, codec); 291 292 /* codec ready ? */ 293 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) 294 return -EIO; 295 296 /* Anyone holding a semaphore for 1 msec should be shot... */ 297 time = 100; 298 do { 299 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) 300 return 0; 301 udelay(10); 302 } while (time--); 303 304 /* access to some forbidden (non existent) ac97 registers will not 305 * reset the semaphore. So even if you don't get the semaphore, still 306 * continue the access. We don't need the semaphore anyway. */ 307 dev_err(chip->card->dev, 308 "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", 309 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); 310 iagetword(chip, 0); /* clear semaphore flag */ 311 /* I don't care about the semaphore */ 312 return -EBUSY; 313 } 314 315 static void snd_intel8x0m_codec_write(struct snd_ac97 *ac97, 316 unsigned short reg, 317 unsigned short val) 318 { 319 struct intel8x0m *chip = ac97->private_data; 320 321 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { 322 if (! chip->in_ac97_init) 323 dev_err(chip->card->dev, 324 "codec_write %d: semaphore is not ready for register 0x%x\n", 325 ac97->num, reg); 326 } 327 iaputword(chip, reg + ac97->num * 0x80, val); 328 } 329 330 static unsigned short snd_intel8x0m_codec_read(struct snd_ac97 *ac97, 331 unsigned short reg) 332 { 333 struct intel8x0m *chip = ac97->private_data; 334 unsigned short res; 335 unsigned int tmp; 336 337 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { 338 if (! chip->in_ac97_init) 339 dev_err(chip->card->dev, 340 "codec_read %d: semaphore is not ready for register 0x%x\n", 341 ac97->num, reg); 342 res = 0xffff; 343 } else { 344 res = iagetword(chip, reg + ac97->num * 0x80); 345 tmp = igetdword(chip, ICHREG(GLOB_STA)); 346 if (tmp & ICH_RCS) { 347 /* reset RCS and preserve other R/WC bits */ 348 iputdword(chip, ICHREG(GLOB_STA), 349 tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); 350 if (! chip->in_ac97_init) 351 dev_err(chip->card->dev, 352 "codec_read %d: read timeout for register 0x%x\n", 353 ac97->num, reg); 354 res = 0xffff; 355 } 356 } 357 if (reg == AC97_GPIO_STATUS) 358 iagetword(chip, 0); /* clear semaphore */ 359 return res; 360 } 361 362 363 /* 364 * DMA I/O 365 */ 366 static void snd_intel8x0m_setup_periods(struct intel8x0m *chip, struct ichdev *ichdev) 367 { 368 int idx; 369 __le32 *bdbar = ichdev->bdbar; 370 unsigned long port = ichdev->reg_offset; 371 372 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); 373 if (ichdev->size == ichdev->fragsize) { 374 ichdev->ack_reload = ichdev->ack = 2; 375 ichdev->fragsize1 = ichdev->fragsize >> 1; 376 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { 377 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); 378 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 379 ichdev->fragsize1 >> chip->pcm_pos_shift); 380 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1)); 381 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 382 ichdev->fragsize1 >> chip->pcm_pos_shift); 383 } 384 ichdev->frags = 2; 385 } else { 386 ichdev->ack_reload = ichdev->ack = 1; 387 ichdev->fragsize1 = ichdev->fragsize; 388 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) { 389 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + (((idx >> 1) * ichdev->fragsize) % ichdev->size)); 390 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 391 ichdev->fragsize >> chip->pcm_pos_shift); 392 /* 393 dev_dbg(chip->card->dev, "bdbar[%i] = 0x%x [0x%x]\n", 394 idx + 0, bdbar[idx + 0], bdbar[idx + 1]); 395 */ 396 } 397 ichdev->frags = ichdev->size / ichdev->fragsize; 398 } 399 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); 400 ichdev->civ = 0; 401 iputbyte(chip, port + ICH_REG_OFF_CIV, 0); 402 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; 403 ichdev->position = 0; 404 #if 0 405 dev_dbg(chip->card->dev, 406 "lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n", 407 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, 408 ichdev->fragsize1); 409 #endif 410 /* clear interrupts */ 411 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 412 } 413 414 /* 415 * Interrupt handler 416 */ 417 418 static inline void snd_intel8x0m_update(struct intel8x0m *chip, struct ichdev *ichdev) 419 { 420 unsigned long port = ichdev->reg_offset; 421 int civ, i, step; 422 int ack = 0; 423 424 civ = igetbyte(chip, port + ICH_REG_OFF_CIV); 425 if (civ == ichdev->civ) { 426 // snd_printd("civ same %d\n", civ); 427 step = 1; 428 ichdev->civ++; 429 ichdev->civ &= ICH_REG_LVI_MASK; 430 } else { 431 step = civ - ichdev->civ; 432 if (step < 0) 433 step += ICH_REG_LVI_MASK + 1; 434 // if (step != 1) 435 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ); 436 ichdev->civ = civ; 437 } 438 439 ichdev->position += step * ichdev->fragsize1; 440 ichdev->position %= ichdev->size; 441 ichdev->lvi += step; 442 ichdev->lvi &= ICH_REG_LVI_MASK; 443 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); 444 for (i = 0; i < step; i++) { 445 ichdev->lvi_frag++; 446 ichdev->lvi_frag %= ichdev->frags; 447 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + 448 ichdev->lvi_frag * 449 ichdev->fragsize1); 450 #if 0 451 dev_dbg(chip->card->dev, 452 "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n", 453 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], 454 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), 455 inl(port + 4), inb(port + ICH_REG_OFF_CR)); 456 #endif 457 if (--ichdev->ack == 0) { 458 ichdev->ack = ichdev->ack_reload; 459 ack = 1; 460 } 461 } 462 if (ack && ichdev->substream) { 463 spin_unlock(&chip->reg_lock); 464 snd_pcm_period_elapsed(ichdev->substream); 465 spin_lock(&chip->reg_lock); 466 } 467 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 468 } 469 470 static irqreturn_t snd_intel8x0m_interrupt(int irq, void *dev_id) 471 { 472 struct intel8x0m *chip = dev_id; 473 struct ichdev *ichdev; 474 unsigned int status; 475 unsigned int i; 476 477 spin_lock(&chip->reg_lock); 478 status = igetdword(chip, chip->int_sta_reg); 479 if (status == 0xffffffff) { /* we are not yet resumed */ 480 spin_unlock(&chip->reg_lock); 481 return IRQ_NONE; 482 } 483 if ((status & chip->int_sta_mask) == 0) { 484 if (status) 485 iputdword(chip, chip->int_sta_reg, status); 486 spin_unlock(&chip->reg_lock); 487 return IRQ_NONE; 488 } 489 490 for (i = 0; i < chip->bdbars_count; i++) { 491 ichdev = &chip->ichd[i]; 492 if (status & ichdev->int_sta_mask) 493 snd_intel8x0m_update(chip, ichdev); 494 } 495 496 /* ack them */ 497 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask); 498 spin_unlock(&chip->reg_lock); 499 500 return IRQ_HANDLED; 501 } 502 503 /* 504 * PCM part 505 */ 506 507 static int snd_intel8x0m_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 508 { 509 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 510 struct ichdev *ichdev = get_ichdev(substream); 511 unsigned char val = 0; 512 unsigned long port = ichdev->reg_offset; 513 514 switch (cmd) { 515 case SNDRV_PCM_TRIGGER_START: 516 case SNDRV_PCM_TRIGGER_RESUME: 517 val = ICH_IOCE | ICH_STARTBM; 518 break; 519 case SNDRV_PCM_TRIGGER_STOP: 520 case SNDRV_PCM_TRIGGER_SUSPEND: 521 val = 0; 522 break; 523 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 524 val = ICH_IOCE; 525 break; 526 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 527 val = ICH_IOCE | ICH_STARTBM; 528 break; 529 default: 530 return -EINVAL; 531 } 532 iputbyte(chip, port + ICH_REG_OFF_CR, val); 533 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 534 /* wait until DMA stopped */ 535 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; 536 /* reset whole DMA things */ 537 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 538 } 539 return 0; 540 } 541 542 static snd_pcm_uframes_t snd_intel8x0m_pcm_pointer(struct snd_pcm_substream *substream) 543 { 544 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 545 struct ichdev *ichdev = get_ichdev(substream); 546 size_t ptr1, ptr; 547 548 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift; 549 if (ptr1 != 0) 550 ptr = ichdev->fragsize1 - ptr1; 551 else 552 ptr = 0; 553 ptr += ichdev->position; 554 if (ptr >= ichdev->size) 555 return 0; 556 return bytes_to_frames(substream->runtime, ptr); 557 } 558 559 static int snd_intel8x0m_pcm_prepare(struct snd_pcm_substream *substream) 560 { 561 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 562 struct snd_pcm_runtime *runtime = substream->runtime; 563 struct ichdev *ichdev = get_ichdev(substream); 564 565 ichdev->physbuf = runtime->dma_addr; 566 ichdev->size = snd_pcm_lib_buffer_bytes(substream); 567 ichdev->fragsize = snd_pcm_lib_period_bytes(substream); 568 snd_ac97_write(ichdev->ac97, AC97_LINE1_RATE, runtime->rate); 569 snd_ac97_write(ichdev->ac97, AC97_LINE1_LEVEL, 0); 570 snd_intel8x0m_setup_periods(chip, ichdev); 571 return 0; 572 } 573 574 static const struct snd_pcm_hardware snd_intel8x0m_stream = 575 { 576 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 577 SNDRV_PCM_INFO_BLOCK_TRANSFER | 578 SNDRV_PCM_INFO_MMAP_VALID | 579 SNDRV_PCM_INFO_PAUSE | 580 SNDRV_PCM_INFO_RESUME), 581 .formats = SNDRV_PCM_FMTBIT_S16_LE, 582 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT, 583 .rate_min = 8000, 584 .rate_max = 16000, 585 .channels_min = 1, 586 .channels_max = 1, 587 .buffer_bytes_max = 64 * 1024, 588 .period_bytes_min = 32, 589 .period_bytes_max = 64 * 1024, 590 .periods_min = 1, 591 .periods_max = 1024, 592 .fifo_size = 0, 593 }; 594 595 596 static int snd_intel8x0m_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev) 597 { 598 static const unsigned int rates[] = { 8000, 9600, 12000, 16000 }; 599 static const struct snd_pcm_hw_constraint_list hw_constraints_rates = { 600 .count = ARRAY_SIZE(rates), 601 .list = rates, 602 .mask = 0, 603 }; 604 struct snd_pcm_runtime *runtime = substream->runtime; 605 int err; 606 607 ichdev->substream = substream; 608 runtime->hw = snd_intel8x0m_stream; 609 err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 610 &hw_constraints_rates); 611 if ( err < 0 ) 612 return err; 613 runtime->private_data = ichdev; 614 return 0; 615 } 616 617 static int snd_intel8x0m_playback_open(struct snd_pcm_substream *substream) 618 { 619 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 620 621 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMOUT]); 622 } 623 624 static int snd_intel8x0m_playback_close(struct snd_pcm_substream *substream) 625 { 626 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 627 628 chip->ichd[ICHD_MDMOUT].substream = NULL; 629 return 0; 630 } 631 632 static int snd_intel8x0m_capture_open(struct snd_pcm_substream *substream) 633 { 634 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 635 636 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMIN]); 637 } 638 639 static int snd_intel8x0m_capture_close(struct snd_pcm_substream *substream) 640 { 641 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 642 643 chip->ichd[ICHD_MDMIN].substream = NULL; 644 return 0; 645 } 646 647 648 static const struct snd_pcm_ops snd_intel8x0m_playback_ops = { 649 .open = snd_intel8x0m_playback_open, 650 .close = snd_intel8x0m_playback_close, 651 .prepare = snd_intel8x0m_pcm_prepare, 652 .trigger = snd_intel8x0m_pcm_trigger, 653 .pointer = snd_intel8x0m_pcm_pointer, 654 }; 655 656 static const struct snd_pcm_ops snd_intel8x0m_capture_ops = { 657 .open = snd_intel8x0m_capture_open, 658 .close = snd_intel8x0m_capture_close, 659 .prepare = snd_intel8x0m_pcm_prepare, 660 .trigger = snd_intel8x0m_pcm_trigger, 661 .pointer = snd_intel8x0m_pcm_pointer, 662 }; 663 664 665 struct ich_pcm_table { 666 char *suffix; 667 const struct snd_pcm_ops *playback_ops; 668 const struct snd_pcm_ops *capture_ops; 669 size_t prealloc_size; 670 size_t prealloc_max_size; 671 int ac97_idx; 672 }; 673 674 static int snd_intel8x0m_pcm1(struct intel8x0m *chip, int device, 675 const struct ich_pcm_table *rec) 676 { 677 struct snd_pcm *pcm; 678 int err; 679 char name[32]; 680 681 if (rec->suffix) 682 sprintf(name, "Intel ICH - %s", rec->suffix); 683 else 684 strcpy(name, "Intel ICH"); 685 err = snd_pcm_new(chip->card, name, device, 686 rec->playback_ops ? 1 : 0, 687 rec->capture_ops ? 1 : 0, &pcm); 688 if (err < 0) 689 return err; 690 691 if (rec->playback_ops) 692 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); 693 if (rec->capture_ops) 694 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); 695 696 pcm->private_data = chip; 697 pcm->info_flags = 0; 698 pcm->dev_class = SNDRV_PCM_CLASS_MODEM; 699 if (rec->suffix) 700 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); 701 else 702 strcpy(pcm->name, chip->card->shortname); 703 chip->pcm[device] = pcm; 704 705 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, 706 &chip->pci->dev, 707 rec->prealloc_size, 708 rec->prealloc_max_size); 709 710 return 0; 711 } 712 713 static const struct ich_pcm_table intel_pcms[] = { 714 { 715 .suffix = "Modem", 716 .playback_ops = &snd_intel8x0m_playback_ops, 717 .capture_ops = &snd_intel8x0m_capture_ops, 718 .prealloc_size = 32 * 1024, 719 .prealloc_max_size = 64 * 1024, 720 }, 721 }; 722 723 static int snd_intel8x0m_pcm(struct intel8x0m *chip) 724 { 725 int i, tblsize, device, err; 726 const struct ich_pcm_table *tbl, *rec; 727 728 #if 1 729 tbl = intel_pcms; 730 tblsize = 1; 731 #else 732 switch (chip->device_type) { 733 case DEVICE_NFORCE: 734 tbl = nforce_pcms; 735 tblsize = ARRAY_SIZE(nforce_pcms); 736 break; 737 case DEVICE_ALI: 738 tbl = ali_pcms; 739 tblsize = ARRAY_SIZE(ali_pcms); 740 break; 741 default: 742 tbl = intel_pcms; 743 tblsize = 2; 744 break; 745 } 746 #endif 747 device = 0; 748 for (i = 0; i < tblsize; i++) { 749 rec = tbl + i; 750 if (i > 0 && rec->ac97_idx) { 751 /* activate PCM only when associated AC'97 codec */ 752 if (! chip->ichd[rec->ac97_idx].ac97) 753 continue; 754 } 755 err = snd_intel8x0m_pcm1(chip, device, rec); 756 if (err < 0) 757 return err; 758 device++; 759 } 760 761 chip->pcm_devs = device; 762 return 0; 763 } 764 765 766 /* 767 * Mixer part 768 */ 769 770 static void snd_intel8x0m_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 771 { 772 struct intel8x0m *chip = bus->private_data; 773 chip->ac97_bus = NULL; 774 } 775 776 static void snd_intel8x0m_mixer_free_ac97(struct snd_ac97 *ac97) 777 { 778 struct intel8x0m *chip = ac97->private_data; 779 chip->ac97 = NULL; 780 } 781 782 783 static int snd_intel8x0m_mixer(struct intel8x0m *chip, int ac97_clock) 784 { 785 struct snd_ac97_bus *pbus; 786 struct snd_ac97_template ac97; 787 struct snd_ac97 *x97; 788 int err; 789 unsigned int glob_sta = 0; 790 static const struct snd_ac97_bus_ops ops = { 791 .write = snd_intel8x0m_codec_write, 792 .read = snd_intel8x0m_codec_read, 793 }; 794 795 chip->in_ac97_init = 1; 796 797 memset(&ac97, 0, sizeof(ac97)); 798 ac97.private_data = chip; 799 ac97.private_free = snd_intel8x0m_mixer_free_ac97; 800 ac97.scaps = AC97_SCAP_SKIP_AUDIO | AC97_SCAP_POWER_SAVE; 801 802 glob_sta = igetdword(chip, ICHREG(GLOB_STA)); 803 804 err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus); 805 if (err < 0) 806 goto __err; 807 pbus->private_free = snd_intel8x0m_mixer_free_ac97_bus; 808 if (ac97_clock >= 8000 && ac97_clock <= 48000) 809 pbus->clock = ac97_clock; 810 chip->ac97_bus = pbus; 811 812 ac97.pci = chip->pci; 813 ac97.num = glob_sta & ICH_SCR ? 1 : 0; 814 err = snd_ac97_mixer(pbus, &ac97, &x97); 815 if (err < 0) { 816 dev_err(chip->card->dev, 817 "Unable to initialize codec #%d\n", ac97.num); 818 if (ac97.num == 0) 819 goto __err; 820 return err; 821 } 822 chip->ac97 = x97; 823 if(ac97_is_modem(x97) && !chip->ichd[ICHD_MDMIN].ac97) { 824 chip->ichd[ICHD_MDMIN].ac97 = x97; 825 chip->ichd[ICHD_MDMOUT].ac97 = x97; 826 } 827 828 chip->in_ac97_init = 0; 829 return 0; 830 831 __err: 832 /* clear the cold-reset bit for the next chance */ 833 if (chip->device_type != DEVICE_ALI) 834 iputdword(chip, ICHREG(GLOB_CNT), 835 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD); 836 return err; 837 } 838 839 840 /* 841 * 842 */ 843 844 static int snd_intel8x0m_ich_chip_init(struct intel8x0m *chip, int probing) 845 { 846 unsigned long end_time; 847 unsigned int cnt, status, nstatus; 848 849 /* put logic to right state */ 850 /* first clear status bits */ 851 status = ICH_RCS | ICH_MIINT | ICH_MOINT; 852 cnt = igetdword(chip, ICHREG(GLOB_STA)); 853 iputdword(chip, ICHREG(GLOB_STA), cnt & status); 854 855 /* ACLink on, 2 channels */ 856 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 857 cnt &= ~(ICH_ACLINK); 858 /* finish cold or do warm reset */ 859 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; 860 iputdword(chip, ICHREG(GLOB_CNT), cnt); 861 usleep_range(500, 1000); /* give warm reset some time */ 862 end_time = jiffies + HZ / 4; 863 do { 864 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) 865 goto __ok; 866 schedule_timeout_uninterruptible(1); 867 } while (time_after_eq(end_time, jiffies)); 868 dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n", 869 igetdword(chip, ICHREG(GLOB_CNT))); 870 return -EIO; 871 872 __ok: 873 if (probing) { 874 /* wait for any codec ready status. 875 * Once it becomes ready it should remain ready 876 * as long as we do not disable the ac97 link. 877 */ 878 end_time = jiffies + HZ; 879 do { 880 status = igetdword(chip, ICHREG(GLOB_STA)) & 881 (ICH_PCR | ICH_SCR | ICH_TCR); 882 if (status) 883 break; 884 schedule_timeout_uninterruptible(1); 885 } while (time_after_eq(end_time, jiffies)); 886 if (! status) { 887 /* no codec is found */ 888 dev_err(chip->card->dev, 889 "codec_ready: codec is not ready [0x%x]\n", 890 igetdword(chip, ICHREG(GLOB_STA))); 891 return -EIO; 892 } 893 894 /* up to two codecs (modem cannot be tertiary with ICH4) */ 895 nstatus = ICH_PCR | ICH_SCR; 896 897 /* wait for other codecs ready status. */ 898 end_time = jiffies + HZ / 4; 899 while (status != nstatus && time_after_eq(end_time, jiffies)) { 900 schedule_timeout_uninterruptible(1); 901 status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus; 902 } 903 904 } else { 905 /* resume phase */ 906 status = 0; 907 if (chip->ac97) 908 status |= get_ich_codec_bit(chip, chip->ac97->num); 909 /* wait until all the probed codecs are ready */ 910 end_time = jiffies + HZ; 911 do { 912 nstatus = igetdword(chip, ICHREG(GLOB_STA)) & 913 (ICH_PCR | ICH_SCR | ICH_TCR); 914 if (status == nstatus) 915 break; 916 schedule_timeout_uninterruptible(1); 917 } while (time_after_eq(end_time, jiffies)); 918 } 919 920 if (chip->device_type == DEVICE_SIS) { 921 /* unmute the output on SIS7012 */ 922 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1); 923 } 924 925 return 0; 926 } 927 928 static int snd_intel8x0m_chip_init(struct intel8x0m *chip, int probing) 929 { 930 unsigned int i; 931 int err; 932 933 err = snd_intel8x0m_ich_chip_init(chip, probing); 934 if (err < 0) 935 return err; 936 iagetword(chip, 0); /* clear semaphore flag */ 937 938 /* disable interrupts */ 939 for (i = 0; i < chip->bdbars_count; i++) 940 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 941 /* reset channels */ 942 for (i = 0; i < chip->bdbars_count; i++) 943 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 944 /* initialize Buffer Descriptor Lists */ 945 for (i = 0; i < chip->bdbars_count; i++) 946 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr); 947 return 0; 948 } 949 950 static int snd_intel8x0m_free(struct intel8x0m *chip) 951 { 952 unsigned int i; 953 954 if (chip->irq < 0) 955 goto __hw_end; 956 /* disable interrupts */ 957 for (i = 0; i < chip->bdbars_count; i++) 958 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 959 /* reset channels */ 960 for (i = 0; i < chip->bdbars_count; i++) 961 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 962 __hw_end: 963 if (chip->irq >= 0) 964 free_irq(chip->irq, chip); 965 if (chip->bdbars.area) 966 snd_dma_free_pages(&chip->bdbars); 967 if (chip->addr) 968 pci_iounmap(chip->pci, chip->addr); 969 if (chip->bmaddr) 970 pci_iounmap(chip->pci, chip->bmaddr); 971 pci_release_regions(chip->pci); 972 pci_disable_device(chip->pci); 973 kfree(chip); 974 return 0; 975 } 976 977 #ifdef CONFIG_PM_SLEEP 978 /* 979 * power management 980 */ 981 static int intel8x0m_suspend(struct device *dev) 982 { 983 struct snd_card *card = dev_get_drvdata(dev); 984 struct intel8x0m *chip = card->private_data; 985 986 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 987 snd_ac97_suspend(chip->ac97); 988 if (chip->irq >= 0) { 989 free_irq(chip->irq, chip); 990 chip->irq = -1; 991 card->sync_irq = -1; 992 } 993 return 0; 994 } 995 996 static int intel8x0m_resume(struct device *dev) 997 { 998 struct pci_dev *pci = to_pci_dev(dev); 999 struct snd_card *card = dev_get_drvdata(dev); 1000 struct intel8x0m *chip = card->private_data; 1001 1002 if (request_irq(pci->irq, snd_intel8x0m_interrupt, 1003 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1004 dev_err(dev, "unable to grab IRQ %d, disabling device\n", 1005 pci->irq); 1006 snd_card_disconnect(card); 1007 return -EIO; 1008 } 1009 chip->irq = pci->irq; 1010 card->sync_irq = chip->irq; 1011 snd_intel8x0m_chip_init(chip, 0); 1012 snd_ac97_resume(chip->ac97); 1013 1014 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1015 return 0; 1016 } 1017 1018 static SIMPLE_DEV_PM_OPS(intel8x0m_pm, intel8x0m_suspend, intel8x0m_resume); 1019 #define INTEL8X0M_PM_OPS &intel8x0m_pm 1020 #else 1021 #define INTEL8X0M_PM_OPS NULL 1022 #endif /* CONFIG_PM_SLEEP */ 1023 1024 static void snd_intel8x0m_proc_read(struct snd_info_entry * entry, 1025 struct snd_info_buffer *buffer) 1026 { 1027 struct intel8x0m *chip = entry->private_data; 1028 unsigned int tmp; 1029 1030 snd_iprintf(buffer, "Intel8x0m\n\n"); 1031 if (chip->device_type == DEVICE_ALI) 1032 return; 1033 tmp = igetdword(chip, ICHREG(GLOB_STA)); 1034 snd_iprintf(buffer, "Global control : 0x%08x\n", 1035 igetdword(chip, ICHREG(GLOB_CNT))); 1036 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp); 1037 snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n", 1038 tmp & ICH_PCR ? " primary" : "", 1039 tmp & ICH_SCR ? " secondary" : "", 1040 tmp & ICH_TCR ? " tertiary" : "", 1041 (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : ""); 1042 } 1043 1044 static void snd_intel8x0m_proc_init(struct intel8x0m *chip) 1045 { 1046 snd_card_ro_proc_new(chip->card, "intel8x0m", chip, 1047 snd_intel8x0m_proc_read); 1048 } 1049 1050 static int snd_intel8x0m_dev_free(struct snd_device *device) 1051 { 1052 struct intel8x0m *chip = device->device_data; 1053 return snd_intel8x0m_free(chip); 1054 } 1055 1056 struct ich_reg_info { 1057 unsigned int int_sta_mask; 1058 unsigned int offset; 1059 }; 1060 1061 static int snd_intel8x0m_create(struct snd_card *card, 1062 struct pci_dev *pci, 1063 unsigned long device_type, 1064 struct intel8x0m **r_intel8x0m) 1065 { 1066 struct intel8x0m *chip; 1067 int err; 1068 unsigned int i; 1069 unsigned int int_sta_masks; 1070 struct ichdev *ichdev; 1071 static const struct snd_device_ops ops = { 1072 .dev_free = snd_intel8x0m_dev_free, 1073 }; 1074 static const struct ich_reg_info intel_regs[2] = { 1075 { ICH_MIINT, 0 }, 1076 { ICH_MOINT, 0x10 }, 1077 }; 1078 const struct ich_reg_info *tbl; 1079 1080 *r_intel8x0m = NULL; 1081 1082 err = pci_enable_device(pci); 1083 if (err < 0) 1084 return err; 1085 1086 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1087 if (chip == NULL) { 1088 pci_disable_device(pci); 1089 return -ENOMEM; 1090 } 1091 spin_lock_init(&chip->reg_lock); 1092 chip->device_type = device_type; 1093 chip->card = card; 1094 chip->pci = pci; 1095 chip->irq = -1; 1096 1097 err = pci_request_regions(pci, card->shortname); 1098 if (err < 0) { 1099 kfree(chip); 1100 pci_disable_device(pci); 1101 return err; 1102 } 1103 1104 if (device_type == DEVICE_ALI) { 1105 /* ALI5455 has no ac97 region */ 1106 chip->bmaddr = pci_iomap(pci, 0, 0); 1107 goto port_inited; 1108 } 1109 1110 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */ 1111 chip->addr = pci_iomap(pci, 2, 0); 1112 else 1113 chip->addr = pci_iomap(pci, 0, 0); 1114 if (!chip->addr) { 1115 dev_err(card->dev, "AC'97 space ioremap problem\n"); 1116 snd_intel8x0m_free(chip); 1117 return -EIO; 1118 } 1119 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */ 1120 chip->bmaddr = pci_iomap(pci, 3, 0); 1121 else 1122 chip->bmaddr = pci_iomap(pci, 1, 0); 1123 1124 port_inited: 1125 if (!chip->bmaddr) { 1126 dev_err(card->dev, "Controller space ioremap problem\n"); 1127 snd_intel8x0m_free(chip); 1128 return -EIO; 1129 } 1130 1131 /* initialize offsets */ 1132 chip->bdbars_count = 2; 1133 tbl = intel_regs; 1134 1135 for (i = 0; i < chip->bdbars_count; i++) { 1136 ichdev = &chip->ichd[i]; 1137 ichdev->ichd = i; 1138 ichdev->reg_offset = tbl[i].offset; 1139 ichdev->int_sta_mask = tbl[i].int_sta_mask; 1140 if (device_type == DEVICE_SIS) { 1141 /* SiS 7013 swaps the registers */ 1142 ichdev->roff_sr = ICH_REG_OFF_PICB; 1143 ichdev->roff_picb = ICH_REG_OFF_SR; 1144 } else { 1145 ichdev->roff_sr = ICH_REG_OFF_SR; 1146 ichdev->roff_picb = ICH_REG_OFF_PICB; 1147 } 1148 if (device_type == DEVICE_ALI) 1149 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10; 1150 } 1151 /* SIS7013 handles the pcm data in bytes, others are in words */ 1152 chip->pcm_pos_shift = (device_type == DEVICE_SIS) ? 0 : 1; 1153 1154 /* allocate buffer descriptor lists */ 1155 /* the start of each lists must be aligned to 8 bytes */ 1156 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, 1157 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, 1158 &chip->bdbars) < 0) { 1159 snd_intel8x0m_free(chip); 1160 return -ENOMEM; 1161 } 1162 /* tables must be aligned to 8 bytes here, but the kernel pages 1163 are much bigger, so we don't care (on i386) */ 1164 int_sta_masks = 0; 1165 for (i = 0; i < chip->bdbars_count; i++) { 1166 ichdev = &chip->ichd[i]; 1167 ichdev->bdbar = ((__le32 *)chip->bdbars.area) + (i * ICH_MAX_FRAGS * 2); 1168 ichdev->bdbar_addr = chip->bdbars.addr + (i * sizeof(u32) * ICH_MAX_FRAGS * 2); 1169 int_sta_masks |= ichdev->int_sta_mask; 1170 } 1171 chip->int_sta_reg = ICH_REG_GLOB_STA; 1172 chip->int_sta_mask = int_sta_masks; 1173 1174 pci_set_master(pci); 1175 1176 err = snd_intel8x0m_chip_init(chip, 1); 1177 if (err < 0) { 1178 snd_intel8x0m_free(chip); 1179 return err; 1180 } 1181 1182 if (request_irq(pci->irq, snd_intel8x0m_interrupt, IRQF_SHARED, 1183 KBUILD_MODNAME, chip)) { 1184 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 1185 snd_intel8x0m_free(chip); 1186 return -EBUSY; 1187 } 1188 chip->irq = pci->irq; 1189 card->sync_irq = chip->irq; 1190 1191 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 1192 if (err < 0) { 1193 snd_intel8x0m_free(chip); 1194 return err; 1195 } 1196 1197 *r_intel8x0m = chip; 1198 return 0; 1199 } 1200 1201 static struct shortname_table { 1202 unsigned int id; 1203 const char *s; 1204 } shortnames[] = { 1205 { PCI_DEVICE_ID_INTEL_82801AA_6, "Intel 82801AA-ICH" }, 1206 { PCI_DEVICE_ID_INTEL_82801AB_6, "Intel 82901AB-ICH0" }, 1207 { PCI_DEVICE_ID_INTEL_82801BA_6, "Intel 82801BA-ICH2" }, 1208 { PCI_DEVICE_ID_INTEL_440MX_6, "Intel 440MX" }, 1209 { PCI_DEVICE_ID_INTEL_82801CA_6, "Intel 82801CA-ICH3" }, 1210 { PCI_DEVICE_ID_INTEL_82801DB_6, "Intel 82801DB-ICH4" }, 1211 { PCI_DEVICE_ID_INTEL_82801EB_6, "Intel ICH5" }, 1212 { PCI_DEVICE_ID_INTEL_ICH6_17, "Intel ICH6" }, 1213 { PCI_DEVICE_ID_INTEL_ICH7_19, "Intel ICH7" }, 1214 { 0x7446, "AMD AMD768" }, 1215 { PCI_DEVICE_ID_SI_7013, "SiS SI7013" }, 1216 { PCI_DEVICE_ID_NVIDIA_MCP1_MODEM, "NVidia nForce" }, 1217 { PCI_DEVICE_ID_NVIDIA_MCP2_MODEM, "NVidia nForce2" }, 1218 { PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM, "NVidia nForce2s" }, 1219 { PCI_DEVICE_ID_NVIDIA_MCP3_MODEM, "NVidia nForce3" }, 1220 { 0x746e, "AMD AMD8111" }, 1221 #if 0 1222 { 0x5455, "ALi M5455" }, 1223 #endif 1224 { 0 }, 1225 }; 1226 1227 static int snd_intel8x0m_probe(struct pci_dev *pci, 1228 const struct pci_device_id *pci_id) 1229 { 1230 struct snd_card *card; 1231 struct intel8x0m *chip; 1232 int err; 1233 struct shortname_table *name; 1234 1235 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 1236 if (err < 0) 1237 return err; 1238 1239 strcpy(card->driver, "ICH-MODEM"); 1240 strcpy(card->shortname, "Intel ICH"); 1241 for (name = shortnames; name->id; name++) { 1242 if (pci->device == name->id) { 1243 strcpy(card->shortname, name->s); 1244 break; 1245 } 1246 } 1247 strcat(card->shortname," Modem"); 1248 1249 err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip); 1250 if (err < 0) { 1251 snd_card_free(card); 1252 return err; 1253 } 1254 card->private_data = chip; 1255 1256 err = snd_intel8x0m_mixer(chip, ac97_clock); 1257 if (err < 0) { 1258 snd_card_free(card); 1259 return err; 1260 } 1261 err = snd_intel8x0m_pcm(chip); 1262 if (err < 0) { 1263 snd_card_free(card); 1264 return err; 1265 } 1266 1267 snd_intel8x0m_proc_init(chip); 1268 1269 sprintf(card->longname, "%s at irq %i", 1270 card->shortname, chip->irq); 1271 1272 err = snd_card_register(card); 1273 if (err < 0) { 1274 snd_card_free(card); 1275 return err; 1276 } 1277 pci_set_drvdata(pci, card); 1278 return 0; 1279 } 1280 1281 static void snd_intel8x0m_remove(struct pci_dev *pci) 1282 { 1283 snd_card_free(pci_get_drvdata(pci)); 1284 } 1285 1286 static struct pci_driver intel8x0m_driver = { 1287 .name = KBUILD_MODNAME, 1288 .id_table = snd_intel8x0m_ids, 1289 .probe = snd_intel8x0m_probe, 1290 .remove = snd_intel8x0m_remove, 1291 .driver = { 1292 .pm = INTEL8X0M_PM_OPS, 1293 }, 1294 }; 1295 1296 module_pci_driver(intel8x0m_driver); 1297