1 /* 2 * ALSA modem driver for Intel ICH (i8x0) chipsets 3 * 4 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 5 * 6 * This is modified (by Sasha Khapyorsky <sashak@alsa-project.org>) version 7 * of ALSA ICH sound driver intel8x0.c . 8 * 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26 #include <asm/io.h> 27 #include <linux/delay.h> 28 #include <linux/interrupt.h> 29 #include <linux/init.h> 30 #include <linux/pci.h> 31 #include <linux/slab.h> 32 #include <linux/module.h> 33 #include <sound/core.h> 34 #include <sound/pcm.h> 35 #include <sound/ac97_codec.h> 36 #include <sound/info.h> 37 #include <sound/initval.h> 38 39 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 40 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; " 41 "SiS 7013; NVidia MCP/2/2S/3 modems"); 42 MODULE_LICENSE("GPL"); 43 MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH}," 44 "{Intel,82901AB-ICH0}," 45 "{Intel,82801BA-ICH2}," 46 "{Intel,82801CA-ICH3}," 47 "{Intel,82801DB-ICH4}," 48 "{Intel,ICH5}," 49 "{Intel,ICH6}," 50 "{Intel,ICH7}," 51 "{Intel,MX440}," 52 "{SiS,7013}," 53 "{NVidia,NForce Modem}," 54 "{NVidia,NForce2 Modem}," 55 "{NVidia,NForce2s Modem}," 56 "{NVidia,NForce3 Modem}," 57 "{AMD,AMD768}}"); 58 59 static int index = -2; /* Exclude the first card */ 60 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 61 static int ac97_clock; 62 63 module_param(index, int, 0444); 64 MODULE_PARM_DESC(index, "Index value for Intel i8x0 modemcard."); 65 module_param(id, charp, 0444); 66 MODULE_PARM_DESC(id, "ID string for Intel i8x0 modemcard."); 67 module_param(ac97_clock, int, 0444); 68 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect)."); 69 70 /* just for backward compatibility */ 71 static bool enable; 72 module_param(enable, bool, 0444); 73 74 /* 75 * Direct registers 76 */ 77 enum { DEVICE_INTEL, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE }; 78 79 #define ICHREG(x) ICH_REG_##x 80 81 #define DEFINE_REGSET(name,base) \ 82 enum { \ 83 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \ 84 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \ 85 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \ 86 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \ 87 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \ 88 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \ 89 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \ 90 }; 91 92 /* busmaster blocks */ 93 DEFINE_REGSET(OFF, 0); /* offset */ 94 95 /* values for each busmaster block */ 96 97 /* LVI */ 98 #define ICH_REG_LVI_MASK 0x1f 99 100 /* SR */ 101 #define ICH_FIFOE 0x10 /* FIFO error */ 102 #define ICH_BCIS 0x08 /* buffer completion interrupt status */ 103 #define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */ 104 #define ICH_CELV 0x02 /* current equals last valid */ 105 #define ICH_DCH 0x01 /* DMA controller halted */ 106 107 /* PIV */ 108 #define ICH_REG_PIV_MASK 0x1f /* mask */ 109 110 /* CR */ 111 #define ICH_IOCE 0x10 /* interrupt on completion enable */ 112 #define ICH_FEIE 0x08 /* fifo error interrupt enable */ 113 #define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */ 114 #define ICH_RESETREGS 0x02 /* reset busmaster registers */ 115 #define ICH_STARTBM 0x01 /* start busmaster operation */ 116 117 118 /* global block */ 119 #define ICH_REG_GLOB_CNT 0x3c /* dword - global control */ 120 #define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */ 121 #define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */ 122 #define ICH_PRIE 0x00000010 /* primary resume interrupt enable */ 123 #define ICH_ACLINK 0x00000008 /* AClink shut off */ 124 #define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */ 125 #define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */ 126 #define ICH_GIE 0x00000001 /* GPI interrupt enable */ 127 #define ICH_REG_GLOB_STA 0x40 /* dword - global status */ 128 #define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */ 129 #define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */ 130 #define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */ 131 #define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */ 132 #define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */ 133 #define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */ 134 #define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */ 135 #define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ 136 #define ICH_MD3 0x00020000 /* modem power down semaphore */ 137 #define ICH_AD3 0x00010000 /* audio power down semaphore */ 138 #define ICH_RCS 0x00008000 /* read completion status */ 139 #define ICH_BIT3 0x00004000 /* bit 3 slot 12 */ 140 #define ICH_BIT2 0x00002000 /* bit 2 slot 12 */ 141 #define ICH_BIT1 0x00001000 /* bit 1 slot 12 */ 142 #define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */ 143 #define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */ 144 #define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */ 145 #define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */ 146 #define ICH_MCINT 0x00000080 /* MIC capture interrupt */ 147 #define ICH_POINT 0x00000040 /* playback interrupt */ 148 #define ICH_PIINT 0x00000020 /* capture interrupt */ 149 #define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */ 150 #define ICH_MOINT 0x00000004 /* modem playback interrupt */ 151 #define ICH_MIINT 0x00000002 /* modem capture interrupt */ 152 #define ICH_GSCI 0x00000001 /* GPI status change interrupt */ 153 #define ICH_REG_ACC_SEMA 0x44 /* byte - codec write semaphore */ 154 #define ICH_CAS 0x01 /* codec access semaphore */ 155 156 #define ICH_MAX_FRAGS 32 /* max hw frags */ 157 158 159 /* 160 * 161 */ 162 163 enum { ICHD_MDMIN, ICHD_MDMOUT, ICHD_MDMLAST = ICHD_MDMOUT }; 164 enum { ALID_MDMIN, ALID_MDMOUT, ALID_MDMLAST = ALID_MDMOUT }; 165 166 #define get_ichdev(substream) (substream->runtime->private_data) 167 168 struct ichdev { 169 unsigned int ichd; /* ich device number */ 170 unsigned long reg_offset; /* offset to bmaddr */ 171 u32 *bdbar; /* CPU address (32bit) */ 172 unsigned int bdbar_addr; /* PCI bus address (32bit) */ 173 struct snd_pcm_substream *substream; 174 unsigned int physbuf; /* physical address (32bit) */ 175 unsigned int size; 176 unsigned int fragsize; 177 unsigned int fragsize1; 178 unsigned int position; 179 int frags; 180 int lvi; 181 int lvi_frag; 182 int civ; 183 int ack; 184 int ack_reload; 185 unsigned int ack_bit; 186 unsigned int roff_sr; 187 unsigned int roff_picb; 188 unsigned int int_sta_mask; /* interrupt status mask */ 189 unsigned int ali_slot; /* ALI DMA slot */ 190 struct snd_ac97 *ac97; 191 }; 192 193 struct intel8x0m { 194 unsigned int device_type; 195 196 int irq; 197 198 void __iomem *addr; 199 void __iomem *bmaddr; 200 201 struct pci_dev *pci; 202 struct snd_card *card; 203 204 int pcm_devs; 205 struct snd_pcm *pcm[2]; 206 struct ichdev ichd[2]; 207 208 unsigned int in_ac97_init: 1; 209 210 struct snd_ac97_bus *ac97_bus; 211 struct snd_ac97 *ac97; 212 213 spinlock_t reg_lock; 214 215 struct snd_dma_buffer bdbars; 216 u32 bdbars_count; 217 u32 int_sta_reg; /* interrupt status register */ 218 u32 int_sta_mask; /* interrupt status mask */ 219 unsigned int pcm_pos_shift; 220 }; 221 222 static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0m_ids) = { 223 { PCI_VDEVICE(INTEL, 0x2416), DEVICE_INTEL }, /* 82801AA */ 224 { PCI_VDEVICE(INTEL, 0x2426), DEVICE_INTEL }, /* 82901AB */ 225 { PCI_VDEVICE(INTEL, 0x2446), DEVICE_INTEL }, /* 82801BA */ 226 { PCI_VDEVICE(INTEL, 0x2486), DEVICE_INTEL }, /* ICH3 */ 227 { PCI_VDEVICE(INTEL, 0x24c6), DEVICE_INTEL }, /* ICH4 */ 228 { PCI_VDEVICE(INTEL, 0x24d6), DEVICE_INTEL }, /* ICH5 */ 229 { PCI_VDEVICE(INTEL, 0x266d), DEVICE_INTEL }, /* ICH6 */ 230 { PCI_VDEVICE(INTEL, 0x27dd), DEVICE_INTEL }, /* ICH7 */ 231 { PCI_VDEVICE(INTEL, 0x7196), DEVICE_INTEL }, /* 440MX */ 232 { PCI_VDEVICE(AMD, 0x7446), DEVICE_INTEL }, /* AMD768 */ 233 { PCI_VDEVICE(SI, 0x7013), DEVICE_SIS }, /* SI7013 */ 234 { PCI_VDEVICE(NVIDIA, 0x01c1), DEVICE_NFORCE }, /* NFORCE */ 235 { PCI_VDEVICE(NVIDIA, 0x0069), DEVICE_NFORCE }, /* NFORCE2 */ 236 { PCI_VDEVICE(NVIDIA, 0x0089), DEVICE_NFORCE }, /* NFORCE2s */ 237 { PCI_VDEVICE(NVIDIA, 0x00d9), DEVICE_NFORCE }, /* NFORCE3 */ 238 { PCI_VDEVICE(AMD, 0x746e), DEVICE_INTEL }, /* AMD8111 */ 239 #if 0 240 { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI }, /* Ali5455 */ 241 #endif 242 { 0, } 243 }; 244 245 MODULE_DEVICE_TABLE(pci, snd_intel8x0m_ids); 246 247 /* 248 * Lowlevel I/O - busmaster 249 */ 250 251 static inline u8 igetbyte(struct intel8x0m *chip, u32 offset) 252 { 253 return ioread8(chip->bmaddr + offset); 254 } 255 256 static inline u16 igetword(struct intel8x0m *chip, u32 offset) 257 { 258 return ioread16(chip->bmaddr + offset); 259 } 260 261 static inline u32 igetdword(struct intel8x0m *chip, u32 offset) 262 { 263 return ioread32(chip->bmaddr + offset); 264 } 265 266 static inline void iputbyte(struct intel8x0m *chip, u32 offset, u8 val) 267 { 268 iowrite8(val, chip->bmaddr + offset); 269 } 270 271 static inline void iputword(struct intel8x0m *chip, u32 offset, u16 val) 272 { 273 iowrite16(val, chip->bmaddr + offset); 274 } 275 276 static inline void iputdword(struct intel8x0m *chip, u32 offset, u32 val) 277 { 278 iowrite32(val, chip->bmaddr + offset); 279 } 280 281 /* 282 * Lowlevel I/O - AC'97 registers 283 */ 284 285 static inline u16 iagetword(struct intel8x0m *chip, u32 offset) 286 { 287 return ioread16(chip->addr + offset); 288 } 289 290 static inline void iaputword(struct intel8x0m *chip, u32 offset, u16 val) 291 { 292 iowrite16(val, chip->addr + offset); 293 } 294 295 /* 296 * Basic I/O 297 */ 298 299 /* 300 * access to AC97 codec via normal i/o (for ICH and SIS7013) 301 */ 302 303 /* return the GLOB_STA bit for the corresponding codec */ 304 static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec) 305 { 306 static unsigned int codec_bit[3] = { 307 ICH_PCR, ICH_SCR, ICH_TCR 308 }; 309 if (snd_BUG_ON(codec >= 3)) 310 return ICH_PCR; 311 return codec_bit[codec]; 312 } 313 314 static int snd_intel8x0m_codec_semaphore(struct intel8x0m *chip, unsigned int codec) 315 { 316 int time; 317 318 if (codec > 1) 319 return -EIO; 320 codec = get_ich_codec_bit(chip, codec); 321 322 /* codec ready ? */ 323 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) 324 return -EIO; 325 326 /* Anyone holding a semaphore for 1 msec should be shot... */ 327 time = 100; 328 do { 329 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) 330 return 0; 331 udelay(10); 332 } while (time--); 333 334 /* access to some forbidden (non existent) ac97 registers will not 335 * reset the semaphore. So even if you don't get the semaphore, still 336 * continue the access. We don't need the semaphore anyway. */ 337 snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", 338 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); 339 iagetword(chip, 0); /* clear semaphore flag */ 340 /* I don't care about the semaphore */ 341 return -EBUSY; 342 } 343 344 static void snd_intel8x0m_codec_write(struct snd_ac97 *ac97, 345 unsigned short reg, 346 unsigned short val) 347 { 348 struct intel8x0m *chip = ac97->private_data; 349 350 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { 351 if (! chip->in_ac97_init) 352 snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); 353 } 354 iaputword(chip, reg + ac97->num * 0x80, val); 355 } 356 357 static unsigned short snd_intel8x0m_codec_read(struct snd_ac97 *ac97, 358 unsigned short reg) 359 { 360 struct intel8x0m *chip = ac97->private_data; 361 unsigned short res; 362 unsigned int tmp; 363 364 if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { 365 if (! chip->in_ac97_init) 366 snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); 367 res = 0xffff; 368 } else { 369 res = iagetword(chip, reg + ac97->num * 0x80); 370 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { 371 /* reset RCS and preserve other R/WC bits */ 372 iputdword(chip, ICHREG(GLOB_STA), 373 tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); 374 if (! chip->in_ac97_init) 375 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg); 376 res = 0xffff; 377 } 378 } 379 if (reg == AC97_GPIO_STATUS) 380 iagetword(chip, 0); /* clear semaphore */ 381 return res; 382 } 383 384 385 /* 386 * DMA I/O 387 */ 388 static void snd_intel8x0m_setup_periods(struct intel8x0m *chip, struct ichdev *ichdev) 389 { 390 int idx; 391 u32 *bdbar = ichdev->bdbar; 392 unsigned long port = ichdev->reg_offset; 393 394 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); 395 if (ichdev->size == ichdev->fragsize) { 396 ichdev->ack_reload = ichdev->ack = 2; 397 ichdev->fragsize1 = ichdev->fragsize >> 1; 398 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { 399 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); 400 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 401 ichdev->fragsize1 >> chip->pcm_pos_shift); 402 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1)); 403 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 404 ichdev->fragsize1 >> chip->pcm_pos_shift); 405 } 406 ichdev->frags = 2; 407 } else { 408 ichdev->ack_reload = ichdev->ack = 1; 409 ichdev->fragsize1 = ichdev->fragsize; 410 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) { 411 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + (((idx >> 1) * ichdev->fragsize) % ichdev->size)); 412 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 413 ichdev->fragsize >> chip->pcm_pos_shift); 414 /* 415 printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n", 416 idx + 0, bdbar[idx + 0], bdbar[idx + 1]); 417 */ 418 } 419 ichdev->frags = ichdev->size / ichdev->fragsize; 420 } 421 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); 422 ichdev->civ = 0; 423 iputbyte(chip, port + ICH_REG_OFF_CIV, 0); 424 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; 425 ichdev->position = 0; 426 #if 0 427 printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, " 428 "period_size1 = 0x%x\n", 429 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, 430 ichdev->fragsize1); 431 #endif 432 /* clear interrupts */ 433 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 434 } 435 436 /* 437 * Interrupt handler 438 */ 439 440 static inline void snd_intel8x0m_update(struct intel8x0m *chip, struct ichdev *ichdev) 441 { 442 unsigned long port = ichdev->reg_offset; 443 int civ, i, step; 444 int ack = 0; 445 446 civ = igetbyte(chip, port + ICH_REG_OFF_CIV); 447 if (civ == ichdev->civ) { 448 // snd_printd("civ same %d\n", civ); 449 step = 1; 450 ichdev->civ++; 451 ichdev->civ &= ICH_REG_LVI_MASK; 452 } else { 453 step = civ - ichdev->civ; 454 if (step < 0) 455 step += ICH_REG_LVI_MASK + 1; 456 // if (step != 1) 457 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ); 458 ichdev->civ = civ; 459 } 460 461 ichdev->position += step * ichdev->fragsize1; 462 ichdev->position %= ichdev->size; 463 ichdev->lvi += step; 464 ichdev->lvi &= ICH_REG_LVI_MASK; 465 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); 466 for (i = 0; i < step; i++) { 467 ichdev->lvi_frag++; 468 ichdev->lvi_frag %= ichdev->frags; 469 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + 470 ichdev->lvi_frag * 471 ichdev->fragsize1); 472 #if 0 473 printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], " 474 "prefetch = %i, all = 0x%x, 0x%x\n", 475 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], 476 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), 477 inl(port + 4), inb(port + ICH_REG_OFF_CR)); 478 #endif 479 if (--ichdev->ack == 0) { 480 ichdev->ack = ichdev->ack_reload; 481 ack = 1; 482 } 483 } 484 if (ack && ichdev->substream) { 485 spin_unlock(&chip->reg_lock); 486 snd_pcm_period_elapsed(ichdev->substream); 487 spin_lock(&chip->reg_lock); 488 } 489 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 490 } 491 492 static irqreturn_t snd_intel8x0m_interrupt(int irq, void *dev_id) 493 { 494 struct intel8x0m *chip = dev_id; 495 struct ichdev *ichdev; 496 unsigned int status; 497 unsigned int i; 498 499 spin_lock(&chip->reg_lock); 500 status = igetdword(chip, chip->int_sta_reg); 501 if (status == 0xffffffff) { /* we are not yet resumed */ 502 spin_unlock(&chip->reg_lock); 503 return IRQ_NONE; 504 } 505 if ((status & chip->int_sta_mask) == 0) { 506 if (status) 507 iputdword(chip, chip->int_sta_reg, status); 508 spin_unlock(&chip->reg_lock); 509 return IRQ_NONE; 510 } 511 512 for (i = 0; i < chip->bdbars_count; i++) { 513 ichdev = &chip->ichd[i]; 514 if (status & ichdev->int_sta_mask) 515 snd_intel8x0m_update(chip, ichdev); 516 } 517 518 /* ack them */ 519 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask); 520 spin_unlock(&chip->reg_lock); 521 522 return IRQ_HANDLED; 523 } 524 525 /* 526 * PCM part 527 */ 528 529 static int snd_intel8x0m_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 530 { 531 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 532 struct ichdev *ichdev = get_ichdev(substream); 533 unsigned char val = 0; 534 unsigned long port = ichdev->reg_offset; 535 536 switch (cmd) { 537 case SNDRV_PCM_TRIGGER_START: 538 case SNDRV_PCM_TRIGGER_RESUME: 539 val = ICH_IOCE | ICH_STARTBM; 540 break; 541 case SNDRV_PCM_TRIGGER_STOP: 542 case SNDRV_PCM_TRIGGER_SUSPEND: 543 val = 0; 544 break; 545 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 546 val = ICH_IOCE; 547 break; 548 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 549 val = ICH_IOCE | ICH_STARTBM; 550 break; 551 default: 552 return -EINVAL; 553 } 554 iputbyte(chip, port + ICH_REG_OFF_CR, val); 555 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 556 /* wait until DMA stopped */ 557 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; 558 /* reset whole DMA things */ 559 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 560 } 561 return 0; 562 } 563 564 static int snd_intel8x0m_hw_params(struct snd_pcm_substream *substream, 565 struct snd_pcm_hw_params *hw_params) 566 { 567 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 568 } 569 570 static int snd_intel8x0m_hw_free(struct snd_pcm_substream *substream) 571 { 572 return snd_pcm_lib_free_pages(substream); 573 } 574 575 static snd_pcm_uframes_t snd_intel8x0m_pcm_pointer(struct snd_pcm_substream *substream) 576 { 577 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 578 struct ichdev *ichdev = get_ichdev(substream); 579 size_t ptr1, ptr; 580 581 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift; 582 if (ptr1 != 0) 583 ptr = ichdev->fragsize1 - ptr1; 584 else 585 ptr = 0; 586 ptr += ichdev->position; 587 if (ptr >= ichdev->size) 588 return 0; 589 return bytes_to_frames(substream->runtime, ptr); 590 } 591 592 static int snd_intel8x0m_pcm_prepare(struct snd_pcm_substream *substream) 593 { 594 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 595 struct snd_pcm_runtime *runtime = substream->runtime; 596 struct ichdev *ichdev = get_ichdev(substream); 597 598 ichdev->physbuf = runtime->dma_addr; 599 ichdev->size = snd_pcm_lib_buffer_bytes(substream); 600 ichdev->fragsize = snd_pcm_lib_period_bytes(substream); 601 snd_ac97_write(ichdev->ac97, AC97_LINE1_RATE, runtime->rate); 602 snd_ac97_write(ichdev->ac97, AC97_LINE1_LEVEL, 0); 603 snd_intel8x0m_setup_periods(chip, ichdev); 604 return 0; 605 } 606 607 static struct snd_pcm_hardware snd_intel8x0m_stream = 608 { 609 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 610 SNDRV_PCM_INFO_BLOCK_TRANSFER | 611 SNDRV_PCM_INFO_MMAP_VALID | 612 SNDRV_PCM_INFO_PAUSE | 613 SNDRV_PCM_INFO_RESUME), 614 .formats = SNDRV_PCM_FMTBIT_S16_LE, 615 .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT, 616 .rate_min = 8000, 617 .rate_max = 16000, 618 .channels_min = 1, 619 .channels_max = 1, 620 .buffer_bytes_max = 64 * 1024, 621 .period_bytes_min = 32, 622 .period_bytes_max = 64 * 1024, 623 .periods_min = 1, 624 .periods_max = 1024, 625 .fifo_size = 0, 626 }; 627 628 629 static int snd_intel8x0m_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev) 630 { 631 static unsigned int rates[] = { 8000, 9600, 12000, 16000 }; 632 static struct snd_pcm_hw_constraint_list hw_constraints_rates = { 633 .count = ARRAY_SIZE(rates), 634 .list = rates, 635 .mask = 0, 636 }; 637 struct snd_pcm_runtime *runtime = substream->runtime; 638 int err; 639 640 ichdev->substream = substream; 641 runtime->hw = snd_intel8x0m_stream; 642 err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 643 &hw_constraints_rates); 644 if ( err < 0 ) 645 return err; 646 runtime->private_data = ichdev; 647 return 0; 648 } 649 650 static int snd_intel8x0m_playback_open(struct snd_pcm_substream *substream) 651 { 652 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 653 654 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMOUT]); 655 } 656 657 static int snd_intel8x0m_playback_close(struct snd_pcm_substream *substream) 658 { 659 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 660 661 chip->ichd[ICHD_MDMOUT].substream = NULL; 662 return 0; 663 } 664 665 static int snd_intel8x0m_capture_open(struct snd_pcm_substream *substream) 666 { 667 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 668 669 return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMIN]); 670 } 671 672 static int snd_intel8x0m_capture_close(struct snd_pcm_substream *substream) 673 { 674 struct intel8x0m *chip = snd_pcm_substream_chip(substream); 675 676 chip->ichd[ICHD_MDMIN].substream = NULL; 677 return 0; 678 } 679 680 681 static struct snd_pcm_ops snd_intel8x0m_playback_ops = { 682 .open = snd_intel8x0m_playback_open, 683 .close = snd_intel8x0m_playback_close, 684 .ioctl = snd_pcm_lib_ioctl, 685 .hw_params = snd_intel8x0m_hw_params, 686 .hw_free = snd_intel8x0m_hw_free, 687 .prepare = snd_intel8x0m_pcm_prepare, 688 .trigger = snd_intel8x0m_pcm_trigger, 689 .pointer = snd_intel8x0m_pcm_pointer, 690 }; 691 692 static struct snd_pcm_ops snd_intel8x0m_capture_ops = { 693 .open = snd_intel8x0m_capture_open, 694 .close = snd_intel8x0m_capture_close, 695 .ioctl = snd_pcm_lib_ioctl, 696 .hw_params = snd_intel8x0m_hw_params, 697 .hw_free = snd_intel8x0m_hw_free, 698 .prepare = snd_intel8x0m_pcm_prepare, 699 .trigger = snd_intel8x0m_pcm_trigger, 700 .pointer = snd_intel8x0m_pcm_pointer, 701 }; 702 703 704 struct ich_pcm_table { 705 char *suffix; 706 struct snd_pcm_ops *playback_ops; 707 struct snd_pcm_ops *capture_ops; 708 size_t prealloc_size; 709 size_t prealloc_max_size; 710 int ac97_idx; 711 }; 712 713 static int snd_intel8x0m_pcm1(struct intel8x0m *chip, int device, 714 struct ich_pcm_table *rec) 715 { 716 struct snd_pcm *pcm; 717 int err; 718 char name[32]; 719 720 if (rec->suffix) 721 sprintf(name, "Intel ICH - %s", rec->suffix); 722 else 723 strcpy(name, "Intel ICH"); 724 err = snd_pcm_new(chip->card, name, device, 725 rec->playback_ops ? 1 : 0, 726 rec->capture_ops ? 1 : 0, &pcm); 727 if (err < 0) 728 return err; 729 730 if (rec->playback_ops) 731 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); 732 if (rec->capture_ops) 733 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); 734 735 pcm->private_data = chip; 736 pcm->info_flags = 0; 737 pcm->dev_class = SNDRV_PCM_CLASS_MODEM; 738 if (rec->suffix) 739 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); 740 else 741 strcpy(pcm->name, chip->card->shortname); 742 chip->pcm[device] = pcm; 743 744 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 745 snd_dma_pci_data(chip->pci), 746 rec->prealloc_size, 747 rec->prealloc_max_size); 748 749 return 0; 750 } 751 752 static struct ich_pcm_table intel_pcms[] = { 753 { 754 .suffix = "Modem", 755 .playback_ops = &snd_intel8x0m_playback_ops, 756 .capture_ops = &snd_intel8x0m_capture_ops, 757 .prealloc_size = 32 * 1024, 758 .prealloc_max_size = 64 * 1024, 759 }, 760 }; 761 762 static int snd_intel8x0m_pcm(struct intel8x0m *chip) 763 { 764 int i, tblsize, device, err; 765 struct ich_pcm_table *tbl, *rec; 766 767 #if 1 768 tbl = intel_pcms; 769 tblsize = 1; 770 #else 771 switch (chip->device_type) { 772 case DEVICE_NFORCE: 773 tbl = nforce_pcms; 774 tblsize = ARRAY_SIZE(nforce_pcms); 775 break; 776 case DEVICE_ALI: 777 tbl = ali_pcms; 778 tblsize = ARRAY_SIZE(ali_pcms); 779 break; 780 default: 781 tbl = intel_pcms; 782 tblsize = 2; 783 break; 784 } 785 #endif 786 device = 0; 787 for (i = 0; i < tblsize; i++) { 788 rec = tbl + i; 789 if (i > 0 && rec->ac97_idx) { 790 /* activate PCM only when associated AC'97 codec */ 791 if (! chip->ichd[rec->ac97_idx].ac97) 792 continue; 793 } 794 err = snd_intel8x0m_pcm1(chip, device, rec); 795 if (err < 0) 796 return err; 797 device++; 798 } 799 800 chip->pcm_devs = device; 801 return 0; 802 } 803 804 805 /* 806 * Mixer part 807 */ 808 809 static void snd_intel8x0m_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 810 { 811 struct intel8x0m *chip = bus->private_data; 812 chip->ac97_bus = NULL; 813 } 814 815 static void snd_intel8x0m_mixer_free_ac97(struct snd_ac97 *ac97) 816 { 817 struct intel8x0m *chip = ac97->private_data; 818 chip->ac97 = NULL; 819 } 820 821 822 static int snd_intel8x0m_mixer(struct intel8x0m *chip, int ac97_clock) 823 { 824 struct snd_ac97_bus *pbus; 825 struct snd_ac97_template ac97; 826 struct snd_ac97 *x97; 827 int err; 828 unsigned int glob_sta = 0; 829 static struct snd_ac97_bus_ops ops = { 830 .write = snd_intel8x0m_codec_write, 831 .read = snd_intel8x0m_codec_read, 832 }; 833 834 chip->in_ac97_init = 1; 835 836 memset(&ac97, 0, sizeof(ac97)); 837 ac97.private_data = chip; 838 ac97.private_free = snd_intel8x0m_mixer_free_ac97; 839 ac97.scaps = AC97_SCAP_SKIP_AUDIO | AC97_SCAP_POWER_SAVE; 840 841 glob_sta = igetdword(chip, ICHREG(GLOB_STA)); 842 843 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) 844 goto __err; 845 pbus->private_free = snd_intel8x0m_mixer_free_ac97_bus; 846 if (ac97_clock >= 8000 && ac97_clock <= 48000) 847 pbus->clock = ac97_clock; 848 chip->ac97_bus = pbus; 849 850 ac97.pci = chip->pci; 851 ac97.num = glob_sta & ICH_SCR ? 1 : 0; 852 if ((err = snd_ac97_mixer(pbus, &ac97, &x97)) < 0) { 853 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", ac97.num); 854 if (ac97.num == 0) 855 goto __err; 856 return err; 857 } 858 chip->ac97 = x97; 859 if(ac97_is_modem(x97) && !chip->ichd[ICHD_MDMIN].ac97) { 860 chip->ichd[ICHD_MDMIN].ac97 = x97; 861 chip->ichd[ICHD_MDMOUT].ac97 = x97; 862 } 863 864 chip->in_ac97_init = 0; 865 return 0; 866 867 __err: 868 /* clear the cold-reset bit for the next chance */ 869 if (chip->device_type != DEVICE_ALI) 870 iputdword(chip, ICHREG(GLOB_CNT), 871 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD); 872 return err; 873 } 874 875 876 /* 877 * 878 */ 879 880 static int snd_intel8x0m_ich_chip_init(struct intel8x0m *chip, int probing) 881 { 882 unsigned long end_time; 883 unsigned int cnt, status, nstatus; 884 885 /* put logic to right state */ 886 /* first clear status bits */ 887 status = ICH_RCS | ICH_MIINT | ICH_MOINT; 888 cnt = igetdword(chip, ICHREG(GLOB_STA)); 889 iputdword(chip, ICHREG(GLOB_STA), cnt & status); 890 891 /* ACLink on, 2 channels */ 892 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 893 cnt &= ~(ICH_ACLINK); 894 /* finish cold or do warm reset */ 895 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; 896 iputdword(chip, ICHREG(GLOB_CNT), cnt); 897 usleep_range(500, 1000); /* give warm reset some time */ 898 end_time = jiffies + HZ / 4; 899 do { 900 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) 901 goto __ok; 902 schedule_timeout_uninterruptible(1); 903 } while (time_after_eq(end_time, jiffies)); 904 snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n", 905 igetdword(chip, ICHREG(GLOB_CNT))); 906 return -EIO; 907 908 __ok: 909 if (probing) { 910 /* wait for any codec ready status. 911 * Once it becomes ready it should remain ready 912 * as long as we do not disable the ac97 link. 913 */ 914 end_time = jiffies + HZ; 915 do { 916 status = igetdword(chip, ICHREG(GLOB_STA)) & 917 (ICH_PCR | ICH_SCR | ICH_TCR); 918 if (status) 919 break; 920 schedule_timeout_uninterruptible(1); 921 } while (time_after_eq(end_time, jiffies)); 922 if (! status) { 923 /* no codec is found */ 924 snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", 925 igetdword(chip, ICHREG(GLOB_STA))); 926 return -EIO; 927 } 928 929 /* up to two codecs (modem cannot be tertiary with ICH4) */ 930 nstatus = ICH_PCR | ICH_SCR; 931 932 /* wait for other codecs ready status. */ 933 end_time = jiffies + HZ / 4; 934 while (status != nstatus && time_after_eq(end_time, jiffies)) { 935 schedule_timeout_uninterruptible(1); 936 status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus; 937 } 938 939 } else { 940 /* resume phase */ 941 status = 0; 942 if (chip->ac97) 943 status |= get_ich_codec_bit(chip, chip->ac97->num); 944 /* wait until all the probed codecs are ready */ 945 end_time = jiffies + HZ; 946 do { 947 nstatus = igetdword(chip, ICHREG(GLOB_STA)) & 948 (ICH_PCR | ICH_SCR | ICH_TCR); 949 if (status == nstatus) 950 break; 951 schedule_timeout_uninterruptible(1); 952 } while (time_after_eq(end_time, jiffies)); 953 } 954 955 if (chip->device_type == DEVICE_SIS) { 956 /* unmute the output on SIS7012 */ 957 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1); 958 } 959 960 return 0; 961 } 962 963 static int snd_intel8x0m_chip_init(struct intel8x0m *chip, int probing) 964 { 965 unsigned int i; 966 int err; 967 968 if ((err = snd_intel8x0m_ich_chip_init(chip, probing)) < 0) 969 return err; 970 iagetword(chip, 0); /* clear semaphore flag */ 971 972 /* disable interrupts */ 973 for (i = 0; i < chip->bdbars_count; i++) 974 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 975 /* reset channels */ 976 for (i = 0; i < chip->bdbars_count; i++) 977 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 978 /* initialize Buffer Descriptor Lists */ 979 for (i = 0; i < chip->bdbars_count; i++) 980 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr); 981 return 0; 982 } 983 984 static int snd_intel8x0m_free(struct intel8x0m *chip) 985 { 986 unsigned int i; 987 988 if (chip->irq < 0) 989 goto __hw_end; 990 /* disable interrupts */ 991 for (i = 0; i < chip->bdbars_count; i++) 992 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 993 /* reset channels */ 994 for (i = 0; i < chip->bdbars_count; i++) 995 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 996 __hw_end: 997 if (chip->irq >= 0) 998 free_irq(chip->irq, chip); 999 if (chip->bdbars.area) 1000 snd_dma_free_pages(&chip->bdbars); 1001 if (chip->addr) 1002 pci_iounmap(chip->pci, chip->addr); 1003 if (chip->bmaddr) 1004 pci_iounmap(chip->pci, chip->bmaddr); 1005 pci_release_regions(chip->pci); 1006 pci_disable_device(chip->pci); 1007 kfree(chip); 1008 return 0; 1009 } 1010 1011 #ifdef CONFIG_PM_SLEEP 1012 /* 1013 * power management 1014 */ 1015 static int intel8x0m_suspend(struct device *dev) 1016 { 1017 struct pci_dev *pci = to_pci_dev(dev); 1018 struct snd_card *card = dev_get_drvdata(dev); 1019 struct intel8x0m *chip = card->private_data; 1020 int i; 1021 1022 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1023 for (i = 0; i < chip->pcm_devs; i++) 1024 snd_pcm_suspend_all(chip->pcm[i]); 1025 snd_ac97_suspend(chip->ac97); 1026 if (chip->irq >= 0) { 1027 free_irq(chip->irq, chip); 1028 chip->irq = -1; 1029 } 1030 pci_disable_device(pci); 1031 pci_save_state(pci); 1032 pci_set_power_state(pci, PCI_D3hot); 1033 return 0; 1034 } 1035 1036 static int intel8x0m_resume(struct device *dev) 1037 { 1038 struct pci_dev *pci = to_pci_dev(dev); 1039 struct snd_card *card = dev_get_drvdata(dev); 1040 struct intel8x0m *chip = card->private_data; 1041 1042 pci_set_power_state(pci, PCI_D0); 1043 pci_restore_state(pci); 1044 if (pci_enable_device(pci) < 0) { 1045 printk(KERN_ERR "intel8x0m: pci_enable_device failed, " 1046 "disabling device\n"); 1047 snd_card_disconnect(card); 1048 return -EIO; 1049 } 1050 pci_set_master(pci); 1051 if (request_irq(pci->irq, snd_intel8x0m_interrupt, 1052 IRQF_SHARED, KBUILD_MODNAME, chip)) { 1053 printk(KERN_ERR "intel8x0m: unable to grab IRQ %d, " 1054 "disabling device\n", pci->irq); 1055 snd_card_disconnect(card); 1056 return -EIO; 1057 } 1058 chip->irq = pci->irq; 1059 snd_intel8x0m_chip_init(chip, 0); 1060 snd_ac97_resume(chip->ac97); 1061 1062 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1063 return 0; 1064 } 1065 1066 static SIMPLE_DEV_PM_OPS(intel8x0m_pm, intel8x0m_suspend, intel8x0m_resume); 1067 #define INTEL8X0M_PM_OPS &intel8x0m_pm 1068 #else 1069 #define INTEL8X0M_PM_OPS NULL 1070 #endif /* CONFIG_PM_SLEEP */ 1071 1072 #ifdef CONFIG_PROC_FS 1073 static void snd_intel8x0m_proc_read(struct snd_info_entry * entry, 1074 struct snd_info_buffer *buffer) 1075 { 1076 struct intel8x0m *chip = entry->private_data; 1077 unsigned int tmp; 1078 1079 snd_iprintf(buffer, "Intel8x0m\n\n"); 1080 if (chip->device_type == DEVICE_ALI) 1081 return; 1082 tmp = igetdword(chip, ICHREG(GLOB_STA)); 1083 snd_iprintf(buffer, "Global control : 0x%08x\n", 1084 igetdword(chip, ICHREG(GLOB_CNT))); 1085 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp); 1086 snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n", 1087 tmp & ICH_PCR ? " primary" : "", 1088 tmp & ICH_SCR ? " secondary" : "", 1089 tmp & ICH_TCR ? " tertiary" : "", 1090 (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : ""); 1091 } 1092 1093 static void snd_intel8x0m_proc_init(struct intel8x0m *chip) 1094 { 1095 struct snd_info_entry *entry; 1096 1097 if (! snd_card_proc_new(chip->card, "intel8x0m", &entry)) 1098 snd_info_set_text_ops(entry, chip, snd_intel8x0m_proc_read); 1099 } 1100 #else /* !CONFIG_PROC_FS */ 1101 #define snd_intel8x0m_proc_init(chip) 1102 #endif /* CONFIG_PROC_FS */ 1103 1104 1105 static int snd_intel8x0m_dev_free(struct snd_device *device) 1106 { 1107 struct intel8x0m *chip = device->device_data; 1108 return snd_intel8x0m_free(chip); 1109 } 1110 1111 struct ich_reg_info { 1112 unsigned int int_sta_mask; 1113 unsigned int offset; 1114 }; 1115 1116 static int snd_intel8x0m_create(struct snd_card *card, 1117 struct pci_dev *pci, 1118 unsigned long device_type, 1119 struct intel8x0m **r_intel8x0m) 1120 { 1121 struct intel8x0m *chip; 1122 int err; 1123 unsigned int i; 1124 unsigned int int_sta_masks; 1125 struct ichdev *ichdev; 1126 static struct snd_device_ops ops = { 1127 .dev_free = snd_intel8x0m_dev_free, 1128 }; 1129 static struct ich_reg_info intel_regs[2] = { 1130 { ICH_MIINT, 0 }, 1131 { ICH_MOINT, 0x10 }, 1132 }; 1133 struct ich_reg_info *tbl; 1134 1135 *r_intel8x0m = NULL; 1136 1137 if ((err = pci_enable_device(pci)) < 0) 1138 return err; 1139 1140 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1141 if (chip == NULL) { 1142 pci_disable_device(pci); 1143 return -ENOMEM; 1144 } 1145 spin_lock_init(&chip->reg_lock); 1146 chip->device_type = device_type; 1147 chip->card = card; 1148 chip->pci = pci; 1149 chip->irq = -1; 1150 1151 if ((err = pci_request_regions(pci, card->shortname)) < 0) { 1152 kfree(chip); 1153 pci_disable_device(pci); 1154 return err; 1155 } 1156 1157 if (device_type == DEVICE_ALI) { 1158 /* ALI5455 has no ac97 region */ 1159 chip->bmaddr = pci_iomap(pci, 0, 0); 1160 goto port_inited; 1161 } 1162 1163 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */ 1164 chip->addr = pci_iomap(pci, 2, 0); 1165 else 1166 chip->addr = pci_iomap(pci, 0, 0); 1167 if (!chip->addr) { 1168 snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); 1169 snd_intel8x0m_free(chip); 1170 return -EIO; 1171 } 1172 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */ 1173 chip->bmaddr = pci_iomap(pci, 3, 0); 1174 else 1175 chip->bmaddr = pci_iomap(pci, 1, 0); 1176 if (!chip->bmaddr) { 1177 snd_printk(KERN_ERR "Controller space ioremap problem\n"); 1178 snd_intel8x0m_free(chip); 1179 return -EIO; 1180 } 1181 1182 port_inited: 1183 if (request_irq(pci->irq, snd_intel8x0m_interrupt, IRQF_SHARED, 1184 KBUILD_MODNAME, chip)) { 1185 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 1186 snd_intel8x0m_free(chip); 1187 return -EBUSY; 1188 } 1189 chip->irq = pci->irq; 1190 pci_set_master(pci); 1191 synchronize_irq(chip->irq); 1192 1193 /* initialize offsets */ 1194 chip->bdbars_count = 2; 1195 tbl = intel_regs; 1196 1197 for (i = 0; i < chip->bdbars_count; i++) { 1198 ichdev = &chip->ichd[i]; 1199 ichdev->ichd = i; 1200 ichdev->reg_offset = tbl[i].offset; 1201 ichdev->int_sta_mask = tbl[i].int_sta_mask; 1202 if (device_type == DEVICE_SIS) { 1203 /* SiS 7013 swaps the registers */ 1204 ichdev->roff_sr = ICH_REG_OFF_PICB; 1205 ichdev->roff_picb = ICH_REG_OFF_SR; 1206 } else { 1207 ichdev->roff_sr = ICH_REG_OFF_SR; 1208 ichdev->roff_picb = ICH_REG_OFF_PICB; 1209 } 1210 if (device_type == DEVICE_ALI) 1211 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10; 1212 } 1213 /* SIS7013 handles the pcm data in bytes, others are in words */ 1214 chip->pcm_pos_shift = (device_type == DEVICE_SIS) ? 0 : 1; 1215 1216 /* allocate buffer descriptor lists */ 1217 /* the start of each lists must be aligned to 8 bytes */ 1218 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1219 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, 1220 &chip->bdbars) < 0) { 1221 snd_intel8x0m_free(chip); 1222 return -ENOMEM; 1223 } 1224 /* tables must be aligned to 8 bytes here, but the kernel pages 1225 are much bigger, so we don't care (on i386) */ 1226 int_sta_masks = 0; 1227 for (i = 0; i < chip->bdbars_count; i++) { 1228 ichdev = &chip->ichd[i]; 1229 ichdev->bdbar = ((u32 *)chip->bdbars.area) + (i * ICH_MAX_FRAGS * 2); 1230 ichdev->bdbar_addr = chip->bdbars.addr + (i * sizeof(u32) * ICH_MAX_FRAGS * 2); 1231 int_sta_masks |= ichdev->int_sta_mask; 1232 } 1233 chip->int_sta_reg = ICH_REG_GLOB_STA; 1234 chip->int_sta_mask = int_sta_masks; 1235 1236 if ((err = snd_intel8x0m_chip_init(chip, 1)) < 0) { 1237 snd_intel8x0m_free(chip); 1238 return err; 1239 } 1240 1241 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1242 snd_intel8x0m_free(chip); 1243 return err; 1244 } 1245 1246 snd_card_set_dev(card, &pci->dev); 1247 1248 *r_intel8x0m = chip; 1249 return 0; 1250 } 1251 1252 static struct shortname_table { 1253 unsigned int id; 1254 const char *s; 1255 } shortnames[] = { 1256 { PCI_DEVICE_ID_INTEL_82801AA_6, "Intel 82801AA-ICH" }, 1257 { PCI_DEVICE_ID_INTEL_82801AB_6, "Intel 82901AB-ICH0" }, 1258 { PCI_DEVICE_ID_INTEL_82801BA_6, "Intel 82801BA-ICH2" }, 1259 { PCI_DEVICE_ID_INTEL_440MX_6, "Intel 440MX" }, 1260 { PCI_DEVICE_ID_INTEL_82801CA_6, "Intel 82801CA-ICH3" }, 1261 { PCI_DEVICE_ID_INTEL_82801DB_6, "Intel 82801DB-ICH4" }, 1262 { PCI_DEVICE_ID_INTEL_82801EB_6, "Intel ICH5" }, 1263 { PCI_DEVICE_ID_INTEL_ICH6_17, "Intel ICH6" }, 1264 { PCI_DEVICE_ID_INTEL_ICH7_19, "Intel ICH7" }, 1265 { 0x7446, "AMD AMD768" }, 1266 { PCI_DEVICE_ID_SI_7013, "SiS SI7013" }, 1267 { PCI_DEVICE_ID_NVIDIA_MCP1_MODEM, "NVidia nForce" }, 1268 { PCI_DEVICE_ID_NVIDIA_MCP2_MODEM, "NVidia nForce2" }, 1269 { PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM, "NVidia nForce2s" }, 1270 { PCI_DEVICE_ID_NVIDIA_MCP3_MODEM, "NVidia nForce3" }, 1271 { 0x746e, "AMD AMD8111" }, 1272 #if 0 1273 { 0x5455, "ALi M5455" }, 1274 #endif 1275 { 0 }, 1276 }; 1277 1278 static int snd_intel8x0m_probe(struct pci_dev *pci, 1279 const struct pci_device_id *pci_id) 1280 { 1281 struct snd_card *card; 1282 struct intel8x0m *chip; 1283 int err; 1284 struct shortname_table *name; 1285 1286 err = snd_card_create(index, id, THIS_MODULE, 0, &card); 1287 if (err < 0) 1288 return err; 1289 1290 strcpy(card->driver, "ICH-MODEM"); 1291 strcpy(card->shortname, "Intel ICH"); 1292 for (name = shortnames; name->id; name++) { 1293 if (pci->device == name->id) { 1294 strcpy(card->shortname, name->s); 1295 break; 1296 } 1297 } 1298 strcat(card->shortname," Modem"); 1299 1300 if ((err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip)) < 0) { 1301 snd_card_free(card); 1302 return err; 1303 } 1304 card->private_data = chip; 1305 1306 if ((err = snd_intel8x0m_mixer(chip, ac97_clock)) < 0) { 1307 snd_card_free(card); 1308 return err; 1309 } 1310 if ((err = snd_intel8x0m_pcm(chip)) < 0) { 1311 snd_card_free(card); 1312 return err; 1313 } 1314 1315 snd_intel8x0m_proc_init(chip); 1316 1317 sprintf(card->longname, "%s at irq %i", 1318 card->shortname, chip->irq); 1319 1320 if ((err = snd_card_register(card)) < 0) { 1321 snd_card_free(card); 1322 return err; 1323 } 1324 pci_set_drvdata(pci, card); 1325 return 0; 1326 } 1327 1328 static void snd_intel8x0m_remove(struct pci_dev *pci) 1329 { 1330 snd_card_free(pci_get_drvdata(pci)); 1331 pci_set_drvdata(pci, NULL); 1332 } 1333 1334 static struct pci_driver intel8x0m_driver = { 1335 .name = KBUILD_MODNAME, 1336 .id_table = snd_intel8x0m_ids, 1337 .probe = snd_intel8x0m_probe, 1338 .remove = snd_intel8x0m_remove, 1339 .driver = { 1340 .pm = INTEL8X0M_PM_OPS, 1341 }, 1342 }; 1343 1344 module_pci_driver(intel8x0m_driver); 1345