1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ALSA driver for Intel ICH (i8x0) chipsets 4 * 5 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 6 * 7 * This code also contains alpha support for SiS 735 chipsets provided 8 * by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet 9 * for SiS735, so the code is not fully functional. 10 * 11 12 */ 13 14 #include <linux/io.h> 15 #include <linux/delay.h> 16 #include <linux/interrupt.h> 17 #include <linux/init.h> 18 #include <linux/pci.h> 19 #include <linux/slab.h> 20 #include <linux/module.h> 21 #include <sound/core.h> 22 #include <sound/pcm.h> 23 #include <sound/ac97_codec.h> 24 #include <sound/info.h> 25 #include <sound/initval.h> 26 27 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 28 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455"); 29 MODULE_LICENSE("GPL"); 30 31 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 32 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 33 static int ac97_clock; 34 static char *ac97_quirk; 35 static bool buggy_semaphore; 36 static int buggy_irq = -1; /* auto-check */ 37 static bool xbox; 38 static int spdif_aclink = -1; 39 static int inside_vm = -1; 40 41 module_param(index, int, 0444); 42 MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard."); 43 module_param(id, charp, 0444); 44 MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard."); 45 module_param(ac97_clock, int, 0444); 46 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = allowlist + auto-detect, 1 = force autodetect)."); 47 module_param(ac97_quirk, charp, 0444); 48 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 49 module_param(buggy_semaphore, bool, 0444); 50 MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores."); 51 module_param(buggy_irq, bint, 0444); 52 MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards."); 53 module_param(xbox, bool, 0444); 54 MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection."); 55 module_param(spdif_aclink, int, 0444); 56 MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link."); 57 module_param(inside_vm, bint, 0444); 58 MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization."); 59 60 /* just for backward compatibility */ 61 static bool enable; 62 module_param(enable, bool, 0444); 63 static int joystick; 64 module_param(joystick, int, 0444); 65 66 /* 67 * Direct registers 68 */ 69 enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE }; 70 71 #define ICHREG(x) ICH_REG_##x 72 73 #define DEFINE_REGSET(name,base) \ 74 enum { \ 75 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \ 76 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \ 77 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \ 78 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \ 79 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \ 80 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \ 81 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \ 82 } 83 84 /* busmaster blocks */ 85 DEFINE_REGSET(OFF, 0); /* offset */ 86 DEFINE_REGSET(PI, 0x00); /* PCM in */ 87 DEFINE_REGSET(PO, 0x10); /* PCM out */ 88 DEFINE_REGSET(MC, 0x20); /* Mic in */ 89 90 /* ICH4 busmaster blocks */ 91 DEFINE_REGSET(MC2, 0x40); /* Mic in 2 */ 92 DEFINE_REGSET(PI2, 0x50); /* PCM in 2 */ 93 DEFINE_REGSET(SP, 0x60); /* SPDIF out */ 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 0x2c /* dword - global control */ 120 #define ICH_PCM_SPDIF_MASK 0xc0000000 /* s/pdif pcm slot mask (ICH4) */ 121 #define ICH_PCM_SPDIF_NONE 0x00000000 /* reserved - undefined */ 122 #define ICH_PCM_SPDIF_78 0x40000000 /* s/pdif pcm on slots 7&8 */ 123 #define ICH_PCM_SPDIF_69 0x80000000 /* s/pdif pcm on slots 6&9 */ 124 #define ICH_PCM_SPDIF_1011 0xc0000000 /* s/pdif pcm on slots 10&11 */ 125 #define ICH_PCM_20BIT 0x00400000 /* 20-bit samples (ICH4) */ 126 #define ICH_PCM_246_MASK 0x00300000 /* chan mask (not all chips) */ 127 #define ICH_PCM_8 0x00300000 /* 8 channels (not all chips) */ 128 #define ICH_PCM_6 0x00200000 /* 6 channels (not all chips) */ 129 #define ICH_PCM_4 0x00100000 /* 4 channels (not all chips) */ 130 #define ICH_PCM_2 0x00000000 /* 2 channels (stereo) */ 131 #define ICH_SIS_PCM_246_MASK 0x000000c0 /* 6 channels (SIS7012) */ 132 #define ICH_SIS_PCM_6 0x00000080 /* 6 channels (SIS7012) */ 133 #define ICH_SIS_PCM_4 0x00000040 /* 4 channels (SIS7012) */ 134 #define ICH_SIS_PCM_2 0x00000000 /* 2 channels (SIS7012) */ 135 #define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */ 136 #define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */ 137 #define ICH_PRIE 0x00000010 /* primary resume interrupt enable */ 138 #define ICH_ACLINK 0x00000008 /* AClink shut off */ 139 #define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */ 140 #define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */ 141 #define ICH_GIE 0x00000001 /* GPI interrupt enable */ 142 #define ICH_REG_GLOB_STA 0x30 /* dword - global status */ 143 #define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */ 144 #define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */ 145 #define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */ 146 #define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */ 147 #define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */ 148 #define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */ 149 #define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */ 150 #define ICH_SAMPLE_16_20 0x00400000 /* ICH4: 16- and 20-bit samples */ 151 #define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ 152 #define ICH_SIS_TRI 0x00080000 /* SIS: tertiary resume irq */ 153 #define ICH_SIS_TCR 0x00040000 /* SIS: tertiary codec ready */ 154 #define ICH_MD3 0x00020000 /* modem power down semaphore */ 155 #define ICH_AD3 0x00010000 /* audio power down semaphore */ 156 #define ICH_RCS 0x00008000 /* read completion status */ 157 #define ICH_BIT3 0x00004000 /* bit 3 slot 12 */ 158 #define ICH_BIT2 0x00002000 /* bit 2 slot 12 */ 159 #define ICH_BIT1 0x00001000 /* bit 1 slot 12 */ 160 #define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */ 161 #define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */ 162 #define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */ 163 #define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */ 164 #define ICH_MCINT 0x00000080 /* MIC capture interrupt */ 165 #define ICH_POINT 0x00000040 /* playback interrupt */ 166 #define ICH_PIINT 0x00000020 /* capture interrupt */ 167 #define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */ 168 #define ICH_MOINT 0x00000004 /* modem playback interrupt */ 169 #define ICH_MIINT 0x00000002 /* modem capture interrupt */ 170 #define ICH_GSCI 0x00000001 /* GPI status change interrupt */ 171 #define ICH_REG_ACC_SEMA 0x34 /* byte - codec write semaphore */ 172 #define ICH_CAS 0x01 /* codec access semaphore */ 173 #define ICH_REG_SDM 0x80 174 #define ICH_DI2L_MASK 0x000000c0 /* PCM In 2, Mic In 2 data in line */ 175 #define ICH_DI2L_SHIFT 6 176 #define ICH_DI1L_MASK 0x00000030 /* PCM In 1, Mic In 1 data in line */ 177 #define ICH_DI1L_SHIFT 4 178 #define ICH_SE 0x00000008 /* steer enable */ 179 #define ICH_LDI_MASK 0x00000003 /* last codec read data input */ 180 181 #define ICH_MAX_FRAGS 32 /* max hw frags */ 182 183 184 /* 185 * registers for Ali5455 186 */ 187 188 /* ALi 5455 busmaster blocks */ 189 DEFINE_REGSET(AL_PI, 0x40); /* ALi PCM in */ 190 DEFINE_REGSET(AL_PO, 0x50); /* Ali PCM out */ 191 DEFINE_REGSET(AL_MC, 0x60); /* Ali Mic in */ 192 DEFINE_REGSET(AL_CDC_SPO, 0x70); /* Ali Codec SPDIF out */ 193 DEFINE_REGSET(AL_CENTER, 0x80); /* Ali center out */ 194 DEFINE_REGSET(AL_LFE, 0x90); /* Ali center out */ 195 DEFINE_REGSET(AL_CLR_SPI, 0xa0); /* Ali Controller SPDIF in */ 196 DEFINE_REGSET(AL_CLR_SPO, 0xb0); /* Ali Controller SPDIF out */ 197 DEFINE_REGSET(AL_I2S, 0xc0); /* Ali I2S in */ 198 DEFINE_REGSET(AL_PI2, 0xd0); /* Ali PCM2 in */ 199 DEFINE_REGSET(AL_MC2, 0xe0); /* Ali Mic2 in */ 200 201 enum { 202 ICH_REG_ALI_SCR = 0x00, /* System Control Register */ 203 ICH_REG_ALI_SSR = 0x04, /* System Status Register */ 204 ICH_REG_ALI_DMACR = 0x08, /* DMA Control Register */ 205 ICH_REG_ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */ 206 ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */ 207 ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */ 208 ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */ 209 ICH_REG_ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */ 210 ICH_REG_ALI_CPR = 0x20, /* Command Port Register */ 211 ICH_REG_ALI_CPR_ADDR = 0x22, /* ac97 addr write */ 212 ICH_REG_ALI_SPR = 0x24, /* Status Port Register */ 213 ICH_REG_ALI_SPR_ADDR = 0x26, /* ac97 addr read */ 214 ICH_REG_ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */ 215 ICH_REG_ALI_TTSR = 0x30, /* Transmit Tag Slot Register */ 216 ICH_REG_ALI_RTSR = 0x34, /* Receive Tag Slot Register */ 217 ICH_REG_ALI_CSPSR = 0x38, /* Command/Status Port Status Register */ 218 ICH_REG_ALI_CAS = 0x3c, /* Codec Write Semaphore Register */ 219 ICH_REG_ALI_HWVOL = 0xf0, /* hardware volume control/status */ 220 ICH_REG_ALI_I2SCR = 0xf4, /* I2S control/status */ 221 ICH_REG_ALI_SPDIFCSR = 0xf8, /* spdif channel status register */ 222 ICH_REG_ALI_SPDIFICS = 0xfc, /* spdif interface control/status */ 223 }; 224 225 #define ALI_CAS_SEM_BUSY 0x80000000 226 #define ALI_CPR_ADDR_SECONDARY 0x100 227 #define ALI_CPR_ADDR_READ 0x80 228 #define ALI_CSPSR_CODEC_READY 0x08 229 #define ALI_CSPSR_READ_OK 0x02 230 #define ALI_CSPSR_WRITE_OK 0x01 231 232 /* interrupts for the whole chip by interrupt status register finish */ 233 234 #define ALI_INT_MICIN2 (1<<26) 235 #define ALI_INT_PCMIN2 (1<<25) 236 #define ALI_INT_I2SIN (1<<24) 237 #define ALI_INT_SPDIFOUT (1<<23) /* controller spdif out INTERRUPT */ 238 #define ALI_INT_SPDIFIN (1<<22) 239 #define ALI_INT_LFEOUT (1<<21) 240 #define ALI_INT_CENTEROUT (1<<20) 241 #define ALI_INT_CODECSPDIFOUT (1<<19) 242 #define ALI_INT_MICIN (1<<18) 243 #define ALI_INT_PCMOUT (1<<17) 244 #define ALI_INT_PCMIN (1<<16) 245 #define ALI_INT_CPRAIS (1<<7) /* command port available */ 246 #define ALI_INT_SPRAIS (1<<5) /* status port available */ 247 #define ALI_INT_GPIO (1<<1) 248 #define ALI_INT_MASK (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\ 249 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN) 250 251 #define ICH_ALI_SC_RESET (1<<31) /* master reset */ 252 #define ICH_ALI_SC_AC97_DBL (1<<30) 253 #define ICH_ALI_SC_CODEC_SPDF (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */ 254 #define ICH_ALI_SC_IN_BITS (3<<18) 255 #define ICH_ALI_SC_OUT_BITS (3<<16) 256 #define ICH_ALI_SC_6CH_CFG (3<<14) 257 #define ICH_ALI_SC_PCM_4 (1<<8) 258 #define ICH_ALI_SC_PCM_6 (2<<8) 259 #define ICH_ALI_SC_PCM_246_MASK (3<<8) 260 261 #define ICH_ALI_SS_SEC_ID (3<<5) 262 #define ICH_ALI_SS_PRI_ID (3<<3) 263 264 #define ICH_ALI_IF_AC97SP (1<<21) 265 #define ICH_ALI_IF_MC (1<<20) 266 #define ICH_ALI_IF_PI (1<<19) 267 #define ICH_ALI_IF_MC2 (1<<18) 268 #define ICH_ALI_IF_PI2 (1<<17) 269 #define ICH_ALI_IF_LINE_SRC (1<<15) /* 0/1 = slot 3/6 */ 270 #define ICH_ALI_IF_MIC_SRC (1<<14) /* 0/1 = slot 3/6 */ 271 #define ICH_ALI_IF_SPDF_SRC (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */ 272 #define ICH_ALI_IF_AC97_OUT (3<<8) /* 00 = PCM, 10 = spdif-in, 11 = i2s */ 273 #define ICH_ALI_IF_PO_SPDF (1<<3) 274 #define ICH_ALI_IF_PO (1<<1) 275 276 /* 277 * 278 */ 279 280 enum { 281 ICHD_PCMIN, 282 ICHD_PCMOUT, 283 ICHD_MIC, 284 ICHD_MIC2, 285 ICHD_PCM2IN, 286 ICHD_SPBAR, 287 ICHD_LAST = ICHD_SPBAR 288 }; 289 enum { 290 NVD_PCMIN, 291 NVD_PCMOUT, 292 NVD_MIC, 293 NVD_SPBAR, 294 NVD_LAST = NVD_SPBAR 295 }; 296 enum { 297 ALID_PCMIN, 298 ALID_PCMOUT, 299 ALID_MIC, 300 ALID_AC97SPDIFOUT, 301 ALID_SPDIFIN, 302 ALID_SPDIFOUT, 303 ALID_LAST = ALID_SPDIFOUT 304 }; 305 306 #define get_ichdev(substream) (substream->runtime->private_data) 307 308 struct ichdev { 309 unsigned int ichd; /* ich device number */ 310 unsigned long reg_offset; /* offset to bmaddr */ 311 __le32 *bdbar; /* CPU address (32bit) */ 312 unsigned int bdbar_addr; /* PCI bus address (32bit) */ 313 struct snd_pcm_substream *substream; 314 unsigned int physbuf; /* physical address (32bit) */ 315 unsigned int size; 316 unsigned int fragsize; 317 unsigned int fragsize1; 318 unsigned int position; 319 unsigned int pos_shift; 320 unsigned int last_pos; 321 int frags; 322 int lvi; 323 int lvi_frag; 324 int civ; 325 int ack; 326 int ack_reload; 327 unsigned int ack_bit; 328 unsigned int roff_sr; 329 unsigned int roff_picb; 330 unsigned int int_sta_mask; /* interrupt status mask */ 331 unsigned int ali_slot; /* ALI DMA slot */ 332 struct ac97_pcm *pcm; 333 int pcm_open_flag; 334 unsigned int prepared:1; 335 unsigned int suspended: 1; 336 }; 337 338 struct intel8x0 { 339 unsigned int device_type; 340 341 int irq; 342 343 void __iomem *addr; 344 void __iomem *bmaddr; 345 346 struct pci_dev *pci; 347 struct snd_card *card; 348 349 int pcm_devs; 350 struct snd_pcm *pcm[6]; 351 struct ichdev ichd[6]; 352 353 unsigned multi4: 1, 354 multi6: 1, 355 multi8 :1, 356 dra: 1, 357 smp20bit: 1; 358 unsigned in_ac97_init: 1, 359 in_sdin_init: 1; 360 unsigned in_measurement: 1; /* during ac97 clock measurement */ 361 unsigned fix_nocache: 1; /* workaround for 440MX */ 362 unsigned buggy_irq: 1; /* workaround for buggy mobos */ 363 unsigned xbox: 1; /* workaround for Xbox AC'97 detection */ 364 unsigned buggy_semaphore: 1; /* workaround for buggy codec semaphore */ 365 unsigned inside_vm: 1; /* enable VM optimization */ 366 367 int spdif_idx; /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */ 368 unsigned int sdm_saved; /* SDM reg value */ 369 370 struct snd_ac97_bus *ac97_bus; 371 struct snd_ac97 *ac97[3]; 372 unsigned int ac97_sdin[3]; 373 unsigned int max_codecs, ncodecs; 374 const unsigned int *codec_bit; 375 unsigned int codec_isr_bits; 376 unsigned int codec_ready_bits; 377 378 spinlock_t reg_lock; 379 380 u32 bdbars_count; 381 struct snd_dma_buffer *bdbars; 382 u32 int_sta_reg; /* interrupt status register */ 383 u32 int_sta_mask; /* interrupt status mask */ 384 }; 385 386 static const struct pci_device_id snd_intel8x0_ids[] = { 387 { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL }, /* 82801AA */ 388 { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL }, /* 82901AB */ 389 { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL }, /* 82801BA */ 390 { PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL }, /* ICH3 */ 391 { PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */ 392 { PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */ 393 { PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */ 394 { PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */ 395 { PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */ 396 { PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */ 397 { PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL }, /* 440MX */ 398 { PCI_VDEVICE(SI, 0x7012), DEVICE_SIS }, /* SI7012 */ 399 { PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE }, /* NFORCE */ 400 { PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE }, /* MCP04 */ 401 { PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE }, /* NFORCE2 */ 402 { PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE }, /* CK804 */ 403 { PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE }, /* CK8 */ 404 { PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE }, /* NFORCE3 */ 405 { PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE }, /* CK8S */ 406 { PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE }, /* MCP51 */ 407 { PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL }, /* AMD8111 */ 408 { PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL }, /* AMD768 */ 409 { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI }, /* Ali5455 */ 410 { 0, } 411 }; 412 413 MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids); 414 415 /* 416 * Lowlevel I/O - busmaster 417 */ 418 419 static inline u8 igetbyte(struct intel8x0 *chip, u32 offset) 420 { 421 return ioread8(chip->bmaddr + offset); 422 } 423 424 static inline u16 igetword(struct intel8x0 *chip, u32 offset) 425 { 426 return ioread16(chip->bmaddr + offset); 427 } 428 429 static inline u32 igetdword(struct intel8x0 *chip, u32 offset) 430 { 431 return ioread32(chip->bmaddr + offset); 432 } 433 434 static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val) 435 { 436 iowrite8(val, chip->bmaddr + offset); 437 } 438 439 static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val) 440 { 441 iowrite16(val, chip->bmaddr + offset); 442 } 443 444 static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val) 445 { 446 iowrite32(val, chip->bmaddr + offset); 447 } 448 449 /* 450 * Lowlevel I/O - AC'97 registers 451 */ 452 453 static inline u16 iagetword(struct intel8x0 *chip, u32 offset) 454 { 455 return ioread16(chip->addr + offset); 456 } 457 458 static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val) 459 { 460 iowrite16(val, chip->addr + offset); 461 } 462 463 /* 464 * Basic I/O 465 */ 466 467 /* 468 * access to AC97 codec via normal i/o (for ICH and SIS7012) 469 */ 470 471 static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec) 472 { 473 int time; 474 475 if (codec > 2) 476 return -EIO; 477 if (chip->in_sdin_init) { 478 /* we don't know the ready bit assignment at the moment */ 479 /* so we check any */ 480 codec = chip->codec_isr_bits; 481 } else { 482 codec = chip->codec_bit[chip->ac97_sdin[codec]]; 483 } 484 485 /* codec ready ? */ 486 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) 487 return -EIO; 488 489 if (chip->buggy_semaphore) 490 return 0; /* just ignore ... */ 491 492 /* Anyone holding a semaphore for 1 msec should be shot... */ 493 time = 100; 494 do { 495 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) 496 return 0; 497 udelay(10); 498 } while (time--); 499 500 /* access to some forbidden (non existent) ac97 registers will not 501 * reset the semaphore. So even if you don't get the semaphore, still 502 * continue the access. We don't need the semaphore anyway. */ 503 dev_err(chip->card->dev, 504 "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", 505 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); 506 iagetword(chip, 0); /* clear semaphore flag */ 507 /* I don't care about the semaphore */ 508 return -EBUSY; 509 } 510 511 static void snd_intel8x0_codec_write(struct snd_ac97 *ac97, 512 unsigned short reg, 513 unsigned short val) 514 { 515 struct intel8x0 *chip = ac97->private_data; 516 517 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) { 518 if (! chip->in_ac97_init) 519 dev_err(chip->card->dev, 520 "codec_write %d: semaphore is not ready for register 0x%x\n", 521 ac97->num, reg); 522 } 523 iaputword(chip, reg + ac97->num * 0x80, val); 524 } 525 526 static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, 527 unsigned short reg) 528 { 529 struct intel8x0 *chip = ac97->private_data; 530 unsigned short res; 531 unsigned int tmp; 532 533 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) { 534 if (! chip->in_ac97_init) 535 dev_err(chip->card->dev, 536 "codec_read %d: semaphore is not ready for register 0x%x\n", 537 ac97->num, reg); 538 res = 0xffff; 539 } else { 540 res = iagetword(chip, reg + ac97->num * 0x80); 541 tmp = igetdword(chip, ICHREG(GLOB_STA)); 542 if (tmp & ICH_RCS) { 543 /* reset RCS and preserve other R/WC bits */ 544 iputdword(chip, ICHREG(GLOB_STA), tmp & 545 ~(chip->codec_ready_bits | ICH_GSCI)); 546 if (! chip->in_ac97_init) 547 dev_err(chip->card->dev, 548 "codec_read %d: read timeout for register 0x%x\n", 549 ac97->num, reg); 550 res = 0xffff; 551 } 552 } 553 return res; 554 } 555 556 static void snd_intel8x0_codec_read_test(struct intel8x0 *chip, 557 unsigned int codec) 558 { 559 unsigned int tmp; 560 561 if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) { 562 iagetword(chip, codec * 0x80); 563 tmp = igetdword(chip, ICHREG(GLOB_STA)); 564 if (tmp & ICH_RCS) { 565 /* reset RCS and preserve other R/WC bits */ 566 iputdword(chip, ICHREG(GLOB_STA), tmp & 567 ~(chip->codec_ready_bits | ICH_GSCI)); 568 } 569 } 570 } 571 572 /* 573 * access to AC97 for Ali5455 574 */ 575 static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask) 576 { 577 int count = 0; 578 for (count = 0; count < 0x7f; count++) { 579 int val = igetbyte(chip, ICHREG(ALI_CSPSR)); 580 if (val & mask) 581 return 0; 582 } 583 if (! chip->in_ac97_init) 584 dev_warn(chip->card->dev, "AC97 codec ready timeout.\n"); 585 return -EBUSY; 586 } 587 588 static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip) 589 { 590 int time = 100; 591 if (chip->buggy_semaphore) 592 return 0; /* just ignore ... */ 593 while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY)) 594 udelay(1); 595 if (! time && ! chip->in_ac97_init) 596 dev_warn(chip->card->dev, "ali_codec_semaphore timeout\n"); 597 return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY); 598 } 599 600 static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg) 601 { 602 struct intel8x0 *chip = ac97->private_data; 603 unsigned short data = 0xffff; 604 605 if (snd_intel8x0_ali_codec_semaphore(chip)) 606 goto __err; 607 reg |= ALI_CPR_ADDR_READ; 608 if (ac97->num) 609 reg |= ALI_CPR_ADDR_SECONDARY; 610 iputword(chip, ICHREG(ALI_CPR_ADDR), reg); 611 if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK)) 612 goto __err; 613 data = igetword(chip, ICHREG(ALI_SPR)); 614 __err: 615 return data; 616 } 617 618 static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg, 619 unsigned short val) 620 { 621 struct intel8x0 *chip = ac97->private_data; 622 623 if (snd_intel8x0_ali_codec_semaphore(chip)) 624 return; 625 iputword(chip, ICHREG(ALI_CPR), val); 626 if (ac97->num) 627 reg |= ALI_CPR_ADDR_SECONDARY; 628 iputword(chip, ICHREG(ALI_CPR_ADDR), reg); 629 snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK); 630 } 631 632 633 /* 634 * DMA I/O 635 */ 636 static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev) 637 { 638 int idx; 639 __le32 *bdbar = ichdev->bdbar; 640 unsigned long port = ichdev->reg_offset; 641 642 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); 643 if (ichdev->size == ichdev->fragsize) { 644 ichdev->ack_reload = ichdev->ack = 2; 645 ichdev->fragsize1 = ichdev->fragsize >> 1; 646 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { 647 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); 648 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 649 ichdev->fragsize1 >> ichdev->pos_shift); 650 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1)); 651 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 652 ichdev->fragsize1 >> ichdev->pos_shift); 653 } 654 ichdev->frags = 2; 655 } else { 656 ichdev->ack_reload = ichdev->ack = 1; 657 ichdev->fragsize1 = ichdev->fragsize; 658 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) { 659 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + 660 (((idx >> 1) * ichdev->fragsize) % 661 ichdev->size)); 662 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 663 ichdev->fragsize >> ichdev->pos_shift); 664 #if 0 665 dev_dbg(chip->card->dev, "bdbar[%i] = 0x%x [0x%x]\n", 666 idx + 0, bdbar[idx + 0], bdbar[idx + 1]); 667 #endif 668 } 669 ichdev->frags = ichdev->size / ichdev->fragsize; 670 } 671 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); 672 ichdev->civ = 0; 673 iputbyte(chip, port + ICH_REG_OFF_CIV, 0); 674 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; 675 ichdev->position = 0; 676 #if 0 677 dev_dbg(chip->card->dev, 678 "lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n", 679 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, 680 ichdev->fragsize1); 681 #endif 682 /* clear interrupts */ 683 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 684 } 685 686 /* 687 * Interrupt handler 688 */ 689 690 static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev) 691 { 692 unsigned long port = ichdev->reg_offset; 693 unsigned long flags; 694 int status, civ, i, step; 695 int ack = 0; 696 697 if (!(ichdev->prepared || chip->in_measurement) || ichdev->suspended) 698 return; 699 700 spin_lock_irqsave(&chip->reg_lock, flags); 701 status = igetbyte(chip, port + ichdev->roff_sr); 702 civ = igetbyte(chip, port + ICH_REG_OFF_CIV); 703 if (!(status & ICH_BCIS)) { 704 step = 0; 705 } else if (civ == ichdev->civ) { 706 // snd_printd("civ same %d\n", civ); 707 step = 1; 708 ichdev->civ++; 709 ichdev->civ &= ICH_REG_LVI_MASK; 710 } else { 711 step = civ - ichdev->civ; 712 if (step < 0) 713 step += ICH_REG_LVI_MASK + 1; 714 // if (step != 1) 715 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ); 716 ichdev->civ = civ; 717 } 718 719 ichdev->position += step * ichdev->fragsize1; 720 if (! chip->in_measurement) 721 ichdev->position %= ichdev->size; 722 ichdev->lvi += step; 723 ichdev->lvi &= ICH_REG_LVI_MASK; 724 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); 725 for (i = 0; i < step; i++) { 726 ichdev->lvi_frag++; 727 ichdev->lvi_frag %= ichdev->frags; 728 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1); 729 #if 0 730 dev_dbg(chip->card->dev, 731 "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n", 732 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], 733 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), 734 inl(port + 4), inb(port + ICH_REG_OFF_CR)); 735 #endif 736 if (--ichdev->ack == 0) { 737 ichdev->ack = ichdev->ack_reload; 738 ack = 1; 739 } 740 } 741 spin_unlock_irqrestore(&chip->reg_lock, flags); 742 if (ack && ichdev->substream) { 743 snd_pcm_period_elapsed(ichdev->substream); 744 } 745 iputbyte(chip, port + ichdev->roff_sr, 746 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI)); 747 } 748 749 static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id) 750 { 751 struct intel8x0 *chip = dev_id; 752 struct ichdev *ichdev; 753 unsigned int status; 754 unsigned int i; 755 756 status = igetdword(chip, chip->int_sta_reg); 757 if (status == 0xffffffff) /* we are not yet resumed */ 758 return IRQ_NONE; 759 760 if ((status & chip->int_sta_mask) == 0) { 761 if (status) { 762 /* ack */ 763 iputdword(chip, chip->int_sta_reg, status); 764 if (! chip->buggy_irq) 765 status = 0; 766 } 767 return IRQ_RETVAL(status); 768 } 769 770 for (i = 0; i < chip->bdbars_count; i++) { 771 ichdev = &chip->ichd[i]; 772 if (status & ichdev->int_sta_mask) 773 snd_intel8x0_update(chip, ichdev); 774 } 775 776 /* ack them */ 777 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask); 778 779 return IRQ_HANDLED; 780 } 781 782 /* 783 * PCM part 784 */ 785 786 static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 787 { 788 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 789 struct ichdev *ichdev = get_ichdev(substream); 790 unsigned char val = 0; 791 unsigned long port = ichdev->reg_offset; 792 793 switch (cmd) { 794 case SNDRV_PCM_TRIGGER_RESUME: 795 ichdev->suspended = 0; 796 fallthrough; 797 case SNDRV_PCM_TRIGGER_START: 798 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 799 val = ICH_IOCE | ICH_STARTBM; 800 ichdev->last_pos = ichdev->position; 801 break; 802 case SNDRV_PCM_TRIGGER_SUSPEND: 803 ichdev->suspended = 1; 804 fallthrough; 805 case SNDRV_PCM_TRIGGER_STOP: 806 val = 0; 807 break; 808 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 809 val = ICH_IOCE; 810 break; 811 default: 812 return -EINVAL; 813 } 814 iputbyte(chip, port + ICH_REG_OFF_CR, val); 815 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 816 /* wait until DMA stopped */ 817 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; 818 /* reset whole DMA things */ 819 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 820 } 821 return 0; 822 } 823 824 static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd) 825 { 826 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 827 struct ichdev *ichdev = get_ichdev(substream); 828 unsigned long port = ichdev->reg_offset; 829 static const int fiforeg[] = { 830 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3) 831 }; 832 unsigned int val, fifo; 833 834 val = igetdword(chip, ICHREG(ALI_DMACR)); 835 switch (cmd) { 836 case SNDRV_PCM_TRIGGER_RESUME: 837 ichdev->suspended = 0; 838 fallthrough; 839 case SNDRV_PCM_TRIGGER_START: 840 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 841 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 842 /* clear FIFO for synchronization of channels */ 843 fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]); 844 fifo &= ~(0xff << (ichdev->ali_slot % 4)); 845 fifo |= 0x83 << (ichdev->ali_slot % 4); 846 iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo); 847 } 848 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE); 849 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */ 850 /* start DMA */ 851 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot)); 852 break; 853 case SNDRV_PCM_TRIGGER_SUSPEND: 854 ichdev->suspended = 1; 855 fallthrough; 856 case SNDRV_PCM_TRIGGER_STOP: 857 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 858 /* pause */ 859 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16))); 860 iputbyte(chip, port + ICH_REG_OFF_CR, 0); 861 while (igetbyte(chip, port + ICH_REG_OFF_CR)) 862 ; 863 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH) 864 break; 865 /* reset whole DMA things */ 866 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 867 /* clear interrupts */ 868 iputbyte(chip, port + ICH_REG_OFF_SR, 869 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e); 870 iputdword(chip, ICHREG(ALI_INTERRUPTSR), 871 igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask); 872 break; 873 default: 874 return -EINVAL; 875 } 876 return 0; 877 } 878 879 static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream, 880 struct snd_pcm_hw_params *hw_params) 881 { 882 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 883 struct ichdev *ichdev = get_ichdev(substream); 884 int dbl = params_rate(hw_params) > 48000; 885 int err; 886 887 if (ichdev->pcm_open_flag) { 888 snd_ac97_pcm_close(ichdev->pcm); 889 ichdev->pcm_open_flag = 0; 890 ichdev->prepared = 0; 891 } 892 err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params), 893 params_channels(hw_params), 894 ichdev->pcm->r[dbl].slots); 895 if (err >= 0) { 896 ichdev->pcm_open_flag = 1; 897 /* Force SPDIF setting */ 898 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0) 899 snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF, 900 params_rate(hw_params)); 901 } 902 return err; 903 } 904 905 static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream) 906 { 907 struct ichdev *ichdev = get_ichdev(substream); 908 909 if (ichdev->pcm_open_flag) { 910 snd_ac97_pcm_close(ichdev->pcm); 911 ichdev->pcm_open_flag = 0; 912 ichdev->prepared = 0; 913 } 914 return 0; 915 } 916 917 static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip, 918 struct snd_pcm_runtime *runtime) 919 { 920 unsigned int cnt; 921 int dbl = runtime->rate > 48000; 922 923 spin_lock_irq(&chip->reg_lock); 924 switch (chip->device_type) { 925 case DEVICE_ALI: 926 cnt = igetdword(chip, ICHREG(ALI_SCR)); 927 cnt &= ~ICH_ALI_SC_PCM_246_MASK; 928 if (runtime->channels == 4 || dbl) 929 cnt |= ICH_ALI_SC_PCM_4; 930 else if (runtime->channels == 6) 931 cnt |= ICH_ALI_SC_PCM_6; 932 iputdword(chip, ICHREG(ALI_SCR), cnt); 933 break; 934 case DEVICE_SIS: 935 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 936 cnt &= ~ICH_SIS_PCM_246_MASK; 937 if (runtime->channels == 4 || dbl) 938 cnt |= ICH_SIS_PCM_4; 939 else if (runtime->channels == 6) 940 cnt |= ICH_SIS_PCM_6; 941 iputdword(chip, ICHREG(GLOB_CNT), cnt); 942 break; 943 default: 944 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 945 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT); 946 if (runtime->channels == 4 || dbl) 947 cnt |= ICH_PCM_4; 948 else if (runtime->channels == 6) 949 cnt |= ICH_PCM_6; 950 else if (runtime->channels == 8) 951 cnt |= ICH_PCM_8; 952 if (chip->device_type == DEVICE_NFORCE) { 953 /* reset to 2ch once to keep the 6 channel data in alignment, 954 * to start from Front Left always 955 */ 956 if (cnt & ICH_PCM_246_MASK) { 957 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK); 958 spin_unlock_irq(&chip->reg_lock); 959 msleep(50); /* grrr... */ 960 spin_lock_irq(&chip->reg_lock); 961 } 962 } else if (chip->device_type == DEVICE_INTEL_ICH4) { 963 if (runtime->sample_bits > 16) 964 cnt |= ICH_PCM_20BIT; 965 } 966 iputdword(chip, ICHREG(GLOB_CNT), cnt); 967 break; 968 } 969 spin_unlock_irq(&chip->reg_lock); 970 } 971 972 static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream) 973 { 974 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 975 struct snd_pcm_runtime *runtime = substream->runtime; 976 struct ichdev *ichdev = get_ichdev(substream); 977 978 ichdev->physbuf = runtime->dma_addr; 979 ichdev->size = snd_pcm_lib_buffer_bytes(substream); 980 ichdev->fragsize = snd_pcm_lib_period_bytes(substream); 981 if (ichdev->ichd == ICHD_PCMOUT) { 982 snd_intel8x0_setup_pcm_out(chip, runtime); 983 if (chip->device_type == DEVICE_INTEL_ICH4) 984 ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1; 985 } 986 snd_intel8x0_setup_periods(chip, ichdev); 987 ichdev->prepared = 1; 988 return 0; 989 } 990 991 static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream) 992 { 993 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 994 struct ichdev *ichdev = get_ichdev(substream); 995 size_t ptr1, ptr; 996 int civ, timeout = 10; 997 unsigned int position; 998 999 spin_lock(&chip->reg_lock); 1000 do { 1001 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV); 1002 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb); 1003 position = ichdev->position; 1004 if (ptr1 == 0) { 1005 udelay(10); 1006 continue; 1007 } 1008 if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV)) 1009 continue; 1010 1011 /* IO read operation is very expensive inside virtual machine 1012 * as it is emulated. The probability that subsequent PICB read 1013 * will return different result is high enough to loop till 1014 * timeout here. 1015 * Same CIV is strict enough condition to be sure that PICB 1016 * is valid inside VM on emulated card. */ 1017 if (chip->inside_vm) 1018 break; 1019 if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb)) 1020 break; 1021 } while (timeout--); 1022 ptr = ichdev->last_pos; 1023 if (ptr1 != 0) { 1024 ptr1 <<= ichdev->pos_shift; 1025 ptr = ichdev->fragsize1 - ptr1; 1026 ptr += position; 1027 if (ptr < ichdev->last_pos) { 1028 unsigned int pos_base, last_base; 1029 pos_base = position / ichdev->fragsize1; 1030 last_base = ichdev->last_pos / ichdev->fragsize1; 1031 /* another sanity check; ptr1 can go back to full 1032 * before the base position is updated 1033 */ 1034 if (pos_base == last_base) 1035 ptr = ichdev->last_pos; 1036 } 1037 } 1038 ichdev->last_pos = ptr; 1039 spin_unlock(&chip->reg_lock); 1040 if (ptr >= ichdev->size) 1041 return 0; 1042 return bytes_to_frames(substream->runtime, ptr); 1043 } 1044 1045 static const struct snd_pcm_hardware snd_intel8x0_stream = 1046 { 1047 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1048 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1049 SNDRV_PCM_INFO_MMAP_VALID | 1050 SNDRV_PCM_INFO_PAUSE | 1051 SNDRV_PCM_INFO_RESUME), 1052 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1053 .rates = SNDRV_PCM_RATE_48000, 1054 .rate_min = 48000, 1055 .rate_max = 48000, 1056 .channels_min = 2, 1057 .channels_max = 2, 1058 .buffer_bytes_max = 128 * 1024, 1059 .period_bytes_min = 32, 1060 .period_bytes_max = 128 * 1024, 1061 .periods_min = 1, 1062 .periods_max = 1024, 1063 .fifo_size = 0, 1064 }; 1065 1066 static const unsigned int channels4[] = { 1067 2, 4, 1068 }; 1069 1070 static const struct snd_pcm_hw_constraint_list hw_constraints_channels4 = { 1071 .count = ARRAY_SIZE(channels4), 1072 .list = channels4, 1073 .mask = 0, 1074 }; 1075 1076 static const unsigned int channels6[] = { 1077 2, 4, 6, 1078 }; 1079 1080 static const struct snd_pcm_hw_constraint_list hw_constraints_channels6 = { 1081 .count = ARRAY_SIZE(channels6), 1082 .list = channels6, 1083 .mask = 0, 1084 }; 1085 1086 static const unsigned int channels8[] = { 1087 2, 4, 6, 8, 1088 }; 1089 1090 static const struct snd_pcm_hw_constraint_list hw_constraints_channels8 = { 1091 .count = ARRAY_SIZE(channels8), 1092 .list = channels8, 1093 .mask = 0, 1094 }; 1095 1096 static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev) 1097 { 1098 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1099 struct snd_pcm_runtime *runtime = substream->runtime; 1100 int err; 1101 1102 ichdev->substream = substream; 1103 runtime->hw = snd_intel8x0_stream; 1104 runtime->hw.rates = ichdev->pcm->rates; 1105 snd_pcm_limit_hw_rates(runtime); 1106 if (chip->device_type == DEVICE_SIS) { 1107 runtime->hw.buffer_bytes_max = 64*1024; 1108 runtime->hw.period_bytes_max = 64*1024; 1109 } 1110 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 1111 if (err < 0) 1112 return err; 1113 runtime->private_data = ichdev; 1114 return 0; 1115 } 1116 1117 static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream) 1118 { 1119 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1120 struct snd_pcm_runtime *runtime = substream->runtime; 1121 int err; 1122 1123 err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]); 1124 if (err < 0) 1125 return err; 1126 1127 if (chip->multi8) { 1128 runtime->hw.channels_max = 8; 1129 snd_pcm_hw_constraint_list(runtime, 0, 1130 SNDRV_PCM_HW_PARAM_CHANNELS, 1131 &hw_constraints_channels8); 1132 } else if (chip->multi6) { 1133 runtime->hw.channels_max = 6; 1134 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 1135 &hw_constraints_channels6); 1136 } else if (chip->multi4) { 1137 runtime->hw.channels_max = 4; 1138 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 1139 &hw_constraints_channels4); 1140 } 1141 if (chip->dra) { 1142 snd_ac97_pcm_double_rate_rules(runtime); 1143 } 1144 if (chip->smp20bit) { 1145 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE; 1146 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20); 1147 } 1148 return 0; 1149 } 1150 1151 static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream) 1152 { 1153 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1154 1155 chip->ichd[ICHD_PCMOUT].substream = NULL; 1156 return 0; 1157 } 1158 1159 static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream) 1160 { 1161 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1162 1163 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]); 1164 } 1165 1166 static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream) 1167 { 1168 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1169 1170 chip->ichd[ICHD_PCMIN].substream = NULL; 1171 return 0; 1172 } 1173 1174 static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream) 1175 { 1176 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1177 1178 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]); 1179 } 1180 1181 static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream) 1182 { 1183 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1184 1185 chip->ichd[ICHD_MIC].substream = NULL; 1186 return 0; 1187 } 1188 1189 static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream) 1190 { 1191 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1192 1193 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]); 1194 } 1195 1196 static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream) 1197 { 1198 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1199 1200 chip->ichd[ICHD_MIC2].substream = NULL; 1201 return 0; 1202 } 1203 1204 static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream) 1205 { 1206 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1207 1208 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]); 1209 } 1210 1211 static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream) 1212 { 1213 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1214 1215 chip->ichd[ICHD_PCM2IN].substream = NULL; 1216 return 0; 1217 } 1218 1219 static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream) 1220 { 1221 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1222 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; 1223 1224 return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]); 1225 } 1226 1227 static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream) 1228 { 1229 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1230 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; 1231 1232 chip->ichd[idx].substream = NULL; 1233 return 0; 1234 } 1235 1236 static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream) 1237 { 1238 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1239 unsigned int val; 1240 1241 spin_lock_irq(&chip->reg_lock); 1242 val = igetdword(chip, ICHREG(ALI_INTERFACECR)); 1243 val |= ICH_ALI_IF_AC97SP; 1244 iputdword(chip, ICHREG(ALI_INTERFACECR), val); 1245 /* also needs to set ALI_SC_CODEC_SPDF correctly */ 1246 spin_unlock_irq(&chip->reg_lock); 1247 1248 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]); 1249 } 1250 1251 static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream) 1252 { 1253 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1254 unsigned int val; 1255 1256 chip->ichd[ALID_AC97SPDIFOUT].substream = NULL; 1257 spin_lock_irq(&chip->reg_lock); 1258 val = igetdword(chip, ICHREG(ALI_INTERFACECR)); 1259 val &= ~ICH_ALI_IF_AC97SP; 1260 iputdword(chip, ICHREG(ALI_INTERFACECR), val); 1261 spin_unlock_irq(&chip->reg_lock); 1262 1263 return 0; 1264 } 1265 1266 #if 0 // NYI 1267 static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream) 1268 { 1269 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1270 1271 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]); 1272 } 1273 1274 static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream) 1275 { 1276 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1277 1278 chip->ichd[ALID_SPDIFIN].substream = NULL; 1279 return 0; 1280 } 1281 1282 static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream) 1283 { 1284 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1285 1286 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]); 1287 } 1288 1289 static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream) 1290 { 1291 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1292 1293 chip->ichd[ALID_SPDIFOUT].substream = NULL; 1294 return 0; 1295 } 1296 #endif 1297 1298 static const struct snd_pcm_ops snd_intel8x0_playback_ops = { 1299 .open = snd_intel8x0_playback_open, 1300 .close = snd_intel8x0_playback_close, 1301 .hw_params = snd_intel8x0_hw_params, 1302 .hw_free = snd_intel8x0_hw_free, 1303 .prepare = snd_intel8x0_pcm_prepare, 1304 .trigger = snd_intel8x0_pcm_trigger, 1305 .pointer = snd_intel8x0_pcm_pointer, 1306 }; 1307 1308 static const struct snd_pcm_ops snd_intel8x0_capture_ops = { 1309 .open = snd_intel8x0_capture_open, 1310 .close = snd_intel8x0_capture_close, 1311 .hw_params = snd_intel8x0_hw_params, 1312 .hw_free = snd_intel8x0_hw_free, 1313 .prepare = snd_intel8x0_pcm_prepare, 1314 .trigger = snd_intel8x0_pcm_trigger, 1315 .pointer = snd_intel8x0_pcm_pointer, 1316 }; 1317 1318 static const struct snd_pcm_ops snd_intel8x0_capture_mic_ops = { 1319 .open = snd_intel8x0_mic_open, 1320 .close = snd_intel8x0_mic_close, 1321 .hw_params = snd_intel8x0_hw_params, 1322 .hw_free = snd_intel8x0_hw_free, 1323 .prepare = snd_intel8x0_pcm_prepare, 1324 .trigger = snd_intel8x0_pcm_trigger, 1325 .pointer = snd_intel8x0_pcm_pointer, 1326 }; 1327 1328 static const struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = { 1329 .open = snd_intel8x0_mic2_open, 1330 .close = snd_intel8x0_mic2_close, 1331 .hw_params = snd_intel8x0_hw_params, 1332 .hw_free = snd_intel8x0_hw_free, 1333 .prepare = snd_intel8x0_pcm_prepare, 1334 .trigger = snd_intel8x0_pcm_trigger, 1335 .pointer = snd_intel8x0_pcm_pointer, 1336 }; 1337 1338 static const struct snd_pcm_ops snd_intel8x0_capture2_ops = { 1339 .open = snd_intel8x0_capture2_open, 1340 .close = snd_intel8x0_capture2_close, 1341 .hw_params = snd_intel8x0_hw_params, 1342 .hw_free = snd_intel8x0_hw_free, 1343 .prepare = snd_intel8x0_pcm_prepare, 1344 .trigger = snd_intel8x0_pcm_trigger, 1345 .pointer = snd_intel8x0_pcm_pointer, 1346 }; 1347 1348 static const struct snd_pcm_ops snd_intel8x0_spdif_ops = { 1349 .open = snd_intel8x0_spdif_open, 1350 .close = snd_intel8x0_spdif_close, 1351 .hw_params = snd_intel8x0_hw_params, 1352 .hw_free = snd_intel8x0_hw_free, 1353 .prepare = snd_intel8x0_pcm_prepare, 1354 .trigger = snd_intel8x0_pcm_trigger, 1355 .pointer = snd_intel8x0_pcm_pointer, 1356 }; 1357 1358 static const struct snd_pcm_ops snd_intel8x0_ali_playback_ops = { 1359 .open = snd_intel8x0_playback_open, 1360 .close = snd_intel8x0_playback_close, 1361 .hw_params = snd_intel8x0_hw_params, 1362 .hw_free = snd_intel8x0_hw_free, 1363 .prepare = snd_intel8x0_pcm_prepare, 1364 .trigger = snd_intel8x0_ali_trigger, 1365 .pointer = snd_intel8x0_pcm_pointer, 1366 }; 1367 1368 static const struct snd_pcm_ops snd_intel8x0_ali_capture_ops = { 1369 .open = snd_intel8x0_capture_open, 1370 .close = snd_intel8x0_capture_close, 1371 .hw_params = snd_intel8x0_hw_params, 1372 .hw_free = snd_intel8x0_hw_free, 1373 .prepare = snd_intel8x0_pcm_prepare, 1374 .trigger = snd_intel8x0_ali_trigger, 1375 .pointer = snd_intel8x0_pcm_pointer, 1376 }; 1377 1378 static const struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = { 1379 .open = snd_intel8x0_mic_open, 1380 .close = snd_intel8x0_mic_close, 1381 .hw_params = snd_intel8x0_hw_params, 1382 .hw_free = snd_intel8x0_hw_free, 1383 .prepare = snd_intel8x0_pcm_prepare, 1384 .trigger = snd_intel8x0_ali_trigger, 1385 .pointer = snd_intel8x0_pcm_pointer, 1386 }; 1387 1388 static const struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = { 1389 .open = snd_intel8x0_ali_ac97spdifout_open, 1390 .close = snd_intel8x0_ali_ac97spdifout_close, 1391 .hw_params = snd_intel8x0_hw_params, 1392 .hw_free = snd_intel8x0_hw_free, 1393 .prepare = snd_intel8x0_pcm_prepare, 1394 .trigger = snd_intel8x0_ali_trigger, 1395 .pointer = snd_intel8x0_pcm_pointer, 1396 }; 1397 1398 #if 0 // NYI 1399 static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = { 1400 .open = snd_intel8x0_ali_spdifin_open, 1401 .close = snd_intel8x0_ali_spdifin_close, 1402 .hw_params = snd_intel8x0_hw_params, 1403 .hw_free = snd_intel8x0_hw_free, 1404 .prepare = snd_intel8x0_pcm_prepare, 1405 .trigger = snd_intel8x0_pcm_trigger, 1406 .pointer = snd_intel8x0_pcm_pointer, 1407 }; 1408 1409 static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = { 1410 .open = snd_intel8x0_ali_spdifout_open, 1411 .close = snd_intel8x0_ali_spdifout_close, 1412 .hw_params = snd_intel8x0_hw_params, 1413 .hw_free = snd_intel8x0_hw_free, 1414 .prepare = snd_intel8x0_pcm_prepare, 1415 .trigger = snd_intel8x0_pcm_trigger, 1416 .pointer = snd_intel8x0_pcm_pointer, 1417 }; 1418 #endif // NYI 1419 1420 struct ich_pcm_table { 1421 char *suffix; 1422 const struct snd_pcm_ops *playback_ops; 1423 const struct snd_pcm_ops *capture_ops; 1424 size_t prealloc_size; 1425 size_t prealloc_max_size; 1426 int ac97_idx; 1427 }; 1428 1429 #define intel8x0_dma_type(chip) \ 1430 ((chip)->fix_nocache ? SNDRV_DMA_TYPE_DEV_WC : SNDRV_DMA_TYPE_DEV) 1431 1432 static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device, 1433 const struct ich_pcm_table *rec) 1434 { 1435 struct snd_pcm *pcm; 1436 int err; 1437 char name[32]; 1438 1439 if (rec->suffix) 1440 sprintf(name, "Intel ICH - %s", rec->suffix); 1441 else 1442 strcpy(name, "Intel ICH"); 1443 err = snd_pcm_new(chip->card, name, device, 1444 rec->playback_ops ? 1 : 0, 1445 rec->capture_ops ? 1 : 0, &pcm); 1446 if (err < 0) 1447 return err; 1448 1449 if (rec->playback_ops) 1450 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); 1451 if (rec->capture_ops) 1452 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); 1453 1454 pcm->private_data = chip; 1455 pcm->info_flags = 0; 1456 if (rec->suffix) 1457 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); 1458 else 1459 strcpy(pcm->name, chip->card->shortname); 1460 chip->pcm[device] = pcm; 1461 1462 snd_pcm_set_managed_buffer_all(pcm, intel8x0_dma_type(chip), 1463 &chip->pci->dev, 1464 rec->prealloc_size, rec->prealloc_max_size); 1465 1466 if (rec->playback_ops && 1467 rec->playback_ops->open == snd_intel8x0_playback_open) { 1468 struct snd_pcm_chmap *chmap; 1469 int chs = 2; 1470 if (chip->multi8) 1471 chs = 8; 1472 else if (chip->multi6) 1473 chs = 6; 1474 else if (chip->multi4) 1475 chs = 4; 1476 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1477 snd_pcm_alt_chmaps, chs, 0, 1478 &chmap); 1479 if (err < 0) 1480 return err; 1481 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468; 1482 chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1483 } 1484 1485 return 0; 1486 } 1487 1488 static const struct ich_pcm_table intel_pcms[] = { 1489 { 1490 .playback_ops = &snd_intel8x0_playback_ops, 1491 .capture_ops = &snd_intel8x0_capture_ops, 1492 .prealloc_size = 64 * 1024, 1493 .prealloc_max_size = 128 * 1024, 1494 }, 1495 { 1496 .suffix = "MIC ADC", 1497 .capture_ops = &snd_intel8x0_capture_mic_ops, 1498 .prealloc_size = 0, 1499 .prealloc_max_size = 128 * 1024, 1500 .ac97_idx = ICHD_MIC, 1501 }, 1502 { 1503 .suffix = "MIC2 ADC", 1504 .capture_ops = &snd_intel8x0_capture_mic2_ops, 1505 .prealloc_size = 0, 1506 .prealloc_max_size = 128 * 1024, 1507 .ac97_idx = ICHD_MIC2, 1508 }, 1509 { 1510 .suffix = "ADC2", 1511 .capture_ops = &snd_intel8x0_capture2_ops, 1512 .prealloc_size = 0, 1513 .prealloc_max_size = 128 * 1024, 1514 .ac97_idx = ICHD_PCM2IN, 1515 }, 1516 { 1517 .suffix = "IEC958", 1518 .playback_ops = &snd_intel8x0_spdif_ops, 1519 .prealloc_size = 64 * 1024, 1520 .prealloc_max_size = 128 * 1024, 1521 .ac97_idx = ICHD_SPBAR, 1522 }, 1523 }; 1524 1525 static const struct ich_pcm_table nforce_pcms[] = { 1526 { 1527 .playback_ops = &snd_intel8x0_playback_ops, 1528 .capture_ops = &snd_intel8x0_capture_ops, 1529 .prealloc_size = 64 * 1024, 1530 .prealloc_max_size = 128 * 1024, 1531 }, 1532 { 1533 .suffix = "MIC ADC", 1534 .capture_ops = &snd_intel8x0_capture_mic_ops, 1535 .prealloc_size = 0, 1536 .prealloc_max_size = 128 * 1024, 1537 .ac97_idx = NVD_MIC, 1538 }, 1539 { 1540 .suffix = "IEC958", 1541 .playback_ops = &snd_intel8x0_spdif_ops, 1542 .prealloc_size = 64 * 1024, 1543 .prealloc_max_size = 128 * 1024, 1544 .ac97_idx = NVD_SPBAR, 1545 }, 1546 }; 1547 1548 static const struct ich_pcm_table ali_pcms[] = { 1549 { 1550 .playback_ops = &snd_intel8x0_ali_playback_ops, 1551 .capture_ops = &snd_intel8x0_ali_capture_ops, 1552 .prealloc_size = 64 * 1024, 1553 .prealloc_max_size = 128 * 1024, 1554 }, 1555 { 1556 .suffix = "MIC ADC", 1557 .capture_ops = &snd_intel8x0_ali_capture_mic_ops, 1558 .prealloc_size = 0, 1559 .prealloc_max_size = 128 * 1024, 1560 .ac97_idx = ALID_MIC, 1561 }, 1562 { 1563 .suffix = "IEC958", 1564 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops, 1565 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */ 1566 .prealloc_size = 64 * 1024, 1567 .prealloc_max_size = 128 * 1024, 1568 .ac97_idx = ALID_AC97SPDIFOUT, 1569 }, 1570 #if 0 // NYI 1571 { 1572 .suffix = "HW IEC958", 1573 .playback_ops = &snd_intel8x0_ali_spdifout_ops, 1574 .prealloc_size = 64 * 1024, 1575 .prealloc_max_size = 128 * 1024, 1576 }, 1577 #endif 1578 }; 1579 1580 static int snd_intel8x0_pcm(struct intel8x0 *chip) 1581 { 1582 int i, tblsize, device, err; 1583 const struct ich_pcm_table *tbl, *rec; 1584 1585 switch (chip->device_type) { 1586 case DEVICE_INTEL_ICH4: 1587 tbl = intel_pcms; 1588 tblsize = ARRAY_SIZE(intel_pcms); 1589 if (spdif_aclink) 1590 tblsize--; 1591 break; 1592 case DEVICE_NFORCE: 1593 tbl = nforce_pcms; 1594 tblsize = ARRAY_SIZE(nforce_pcms); 1595 if (spdif_aclink) 1596 tblsize--; 1597 break; 1598 case DEVICE_ALI: 1599 tbl = ali_pcms; 1600 tblsize = ARRAY_SIZE(ali_pcms); 1601 break; 1602 default: 1603 tbl = intel_pcms; 1604 tblsize = 2; 1605 break; 1606 } 1607 1608 device = 0; 1609 for (i = 0; i < tblsize; i++) { 1610 rec = tbl + i; 1611 if (i > 0 && rec->ac97_idx) { 1612 /* activate PCM only when associated AC'97 codec */ 1613 if (! chip->ichd[rec->ac97_idx].pcm) 1614 continue; 1615 } 1616 err = snd_intel8x0_pcm1(chip, device, rec); 1617 if (err < 0) 1618 return err; 1619 device++; 1620 } 1621 1622 chip->pcm_devs = device; 1623 return 0; 1624 } 1625 1626 1627 /* 1628 * Mixer part 1629 */ 1630 1631 static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1632 { 1633 struct intel8x0 *chip = bus->private_data; 1634 chip->ac97_bus = NULL; 1635 } 1636 1637 static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97) 1638 { 1639 struct intel8x0 *chip = ac97->private_data; 1640 chip->ac97[ac97->num] = NULL; 1641 } 1642 1643 static const struct ac97_pcm ac97_pcm_defs[] = { 1644 /* front PCM */ 1645 { 1646 .exclusive = 1, 1647 .r = { { 1648 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1649 (1 << AC97_SLOT_PCM_RIGHT) | 1650 (1 << AC97_SLOT_PCM_CENTER) | 1651 (1 << AC97_SLOT_PCM_SLEFT) | 1652 (1 << AC97_SLOT_PCM_SRIGHT) | 1653 (1 << AC97_SLOT_LFE) 1654 }, 1655 { 1656 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1657 (1 << AC97_SLOT_PCM_RIGHT) | 1658 (1 << AC97_SLOT_PCM_LEFT_0) | 1659 (1 << AC97_SLOT_PCM_RIGHT_0) 1660 } 1661 } 1662 }, 1663 /* PCM IN #1 */ 1664 { 1665 .stream = 1, 1666 .exclusive = 1, 1667 .r = { { 1668 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1669 (1 << AC97_SLOT_PCM_RIGHT) 1670 } 1671 } 1672 }, 1673 /* MIC IN #1 */ 1674 { 1675 .stream = 1, 1676 .exclusive = 1, 1677 .r = { { 1678 .slots = (1 << AC97_SLOT_MIC) 1679 } 1680 } 1681 }, 1682 /* S/PDIF PCM */ 1683 { 1684 .exclusive = 1, 1685 .spdif = 1, 1686 .r = { { 1687 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) | 1688 (1 << AC97_SLOT_SPDIF_RIGHT2) 1689 } 1690 } 1691 }, 1692 /* PCM IN #2 */ 1693 { 1694 .stream = 1, 1695 .exclusive = 1, 1696 .r = { { 1697 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1698 (1 << AC97_SLOT_PCM_RIGHT) 1699 } 1700 } 1701 }, 1702 /* MIC IN #2 */ 1703 { 1704 .stream = 1, 1705 .exclusive = 1, 1706 .r = { { 1707 .slots = (1 << AC97_SLOT_MIC) 1708 } 1709 } 1710 }, 1711 }; 1712 1713 static const struct ac97_quirk ac97_quirks[] = { 1714 { 1715 .subvendor = 0x0e11, 1716 .subdevice = 0x000e, 1717 .name = "Compaq Deskpro EN", /* AD1885 */ 1718 .type = AC97_TUNE_HP_ONLY 1719 }, 1720 { 1721 .subvendor = 0x0e11, 1722 .subdevice = 0x008a, 1723 .name = "Compaq Evo W4000", /* AD1885 */ 1724 .type = AC97_TUNE_HP_ONLY 1725 }, 1726 { 1727 .subvendor = 0x0e11, 1728 .subdevice = 0x00b8, 1729 .name = "Compaq Evo D510C", 1730 .type = AC97_TUNE_HP_ONLY 1731 }, 1732 { 1733 .subvendor = 0x0e11, 1734 .subdevice = 0x0860, 1735 .name = "HP/Compaq nx7010", 1736 .type = AC97_TUNE_MUTE_LED 1737 }, 1738 { 1739 .subvendor = 0x1014, 1740 .subdevice = 0x0534, 1741 .name = "ThinkPad X31", 1742 .type = AC97_TUNE_INV_EAPD 1743 }, 1744 { 1745 .subvendor = 0x1014, 1746 .subdevice = 0x1f00, 1747 .name = "MS-9128", 1748 .type = AC97_TUNE_ALC_JACK 1749 }, 1750 { 1751 .subvendor = 0x1014, 1752 .subdevice = 0x0267, 1753 .name = "IBM NetVista A30p", /* AD1981B */ 1754 .type = AC97_TUNE_HP_ONLY 1755 }, 1756 { 1757 .subvendor = 0x1025, 1758 .subdevice = 0x0082, 1759 .name = "Acer Travelmate 2310", 1760 .type = AC97_TUNE_HP_ONLY 1761 }, 1762 { 1763 .subvendor = 0x1025, 1764 .subdevice = 0x0083, 1765 .name = "Acer Aspire 3003LCi", 1766 .type = AC97_TUNE_HP_ONLY 1767 }, 1768 { 1769 .subvendor = 0x1028, 1770 .subdevice = 0x00d8, 1771 .name = "Dell Precision 530", /* AD1885 */ 1772 .type = AC97_TUNE_HP_ONLY 1773 }, 1774 { 1775 .subvendor = 0x1028, 1776 .subdevice = 0x010d, 1777 .name = "Dell", /* which model? AD1885 */ 1778 .type = AC97_TUNE_HP_ONLY 1779 }, 1780 { 1781 .subvendor = 0x1028, 1782 .subdevice = 0x0126, 1783 .name = "Dell Optiplex GX260", /* AD1981A */ 1784 .type = AC97_TUNE_HP_ONLY 1785 }, 1786 { 1787 .subvendor = 0x1028, 1788 .subdevice = 0x012c, 1789 .name = "Dell Precision 650", /* AD1981A */ 1790 .type = AC97_TUNE_HP_ONLY 1791 }, 1792 { 1793 .subvendor = 0x1028, 1794 .subdevice = 0x012d, 1795 .name = "Dell Precision 450", /* AD1981B*/ 1796 .type = AC97_TUNE_HP_ONLY 1797 }, 1798 { 1799 .subvendor = 0x1028, 1800 .subdevice = 0x0147, 1801 .name = "Dell", /* which model? AD1981B*/ 1802 .type = AC97_TUNE_HP_ONLY 1803 }, 1804 { 1805 .subvendor = 0x1028, 1806 .subdevice = 0x0151, 1807 .name = "Dell Optiplex GX270", /* AD1981B */ 1808 .type = AC97_TUNE_HP_ONLY 1809 }, 1810 { 1811 .subvendor = 0x1028, 1812 .subdevice = 0x014e, 1813 .name = "Dell D800", /* STAC9750/51 */ 1814 .type = AC97_TUNE_HP_ONLY 1815 }, 1816 { 1817 .subvendor = 0x1028, 1818 .subdevice = 0x0163, 1819 .name = "Dell Unknown", /* STAC9750/51 */ 1820 .type = AC97_TUNE_HP_ONLY 1821 }, 1822 { 1823 .subvendor = 0x1028, 1824 .subdevice = 0x016a, 1825 .name = "Dell Inspiron 8600", /* STAC9750/51 */ 1826 .type = AC97_TUNE_HP_ONLY 1827 }, 1828 { 1829 .subvendor = 0x1028, 1830 .subdevice = 0x0182, 1831 .name = "Dell Latitude D610", /* STAC9750/51 */ 1832 .type = AC97_TUNE_HP_ONLY 1833 }, 1834 { 1835 .subvendor = 0x1028, 1836 .subdevice = 0x0186, 1837 .name = "Dell Latitude D810", /* cf. Malone #41015 */ 1838 .type = AC97_TUNE_HP_MUTE_LED 1839 }, 1840 { 1841 .subvendor = 0x1028, 1842 .subdevice = 0x0188, 1843 .name = "Dell Inspiron 6000", 1844 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */ 1845 }, 1846 { 1847 .subvendor = 0x1028, 1848 .subdevice = 0x0189, 1849 .name = "Dell Inspiron 9300", 1850 .type = AC97_TUNE_HP_MUTE_LED 1851 }, 1852 { 1853 .subvendor = 0x1028, 1854 .subdevice = 0x0191, 1855 .name = "Dell Inspiron 8600", 1856 .type = AC97_TUNE_HP_ONLY 1857 }, 1858 { 1859 .subvendor = 0x103c, 1860 .subdevice = 0x006d, 1861 .name = "HP zv5000", 1862 .type = AC97_TUNE_MUTE_LED /*AD1981B*/ 1863 }, 1864 { /* FIXME: which codec? */ 1865 .subvendor = 0x103c, 1866 .subdevice = 0x00c3, 1867 .name = "HP xw6000", 1868 .type = AC97_TUNE_HP_ONLY 1869 }, 1870 { 1871 .subvendor = 0x103c, 1872 .subdevice = 0x088c, 1873 .name = "HP nc8000", 1874 .type = AC97_TUNE_HP_MUTE_LED 1875 }, 1876 { 1877 .subvendor = 0x103c, 1878 .subdevice = 0x0890, 1879 .name = "HP nc6000", 1880 .type = AC97_TUNE_MUTE_LED 1881 }, 1882 { 1883 .subvendor = 0x103c, 1884 .subdevice = 0x129d, 1885 .name = "HP xw8000", 1886 .type = AC97_TUNE_HP_ONLY 1887 }, 1888 { 1889 .subvendor = 0x103c, 1890 .subdevice = 0x0938, 1891 .name = "HP nc4200", 1892 .type = AC97_TUNE_HP_MUTE_LED 1893 }, 1894 { 1895 .subvendor = 0x103c, 1896 .subdevice = 0x099c, 1897 .name = "HP nx6110/nc6120", 1898 .type = AC97_TUNE_HP_MUTE_LED 1899 }, 1900 { 1901 .subvendor = 0x103c, 1902 .subdevice = 0x0944, 1903 .name = "HP nc6220", 1904 .type = AC97_TUNE_HP_MUTE_LED 1905 }, 1906 { 1907 .subvendor = 0x103c, 1908 .subdevice = 0x0934, 1909 .name = "HP nc8220", 1910 .type = AC97_TUNE_HP_MUTE_LED 1911 }, 1912 { 1913 .subvendor = 0x103c, 1914 .subdevice = 0x12f1, 1915 .name = "HP xw8200", /* AD1981B*/ 1916 .type = AC97_TUNE_HP_ONLY 1917 }, 1918 { 1919 .subvendor = 0x103c, 1920 .subdevice = 0x12f2, 1921 .name = "HP xw6200", 1922 .type = AC97_TUNE_HP_ONLY 1923 }, 1924 { 1925 .subvendor = 0x103c, 1926 .subdevice = 0x3008, 1927 .name = "HP xw4200", /* AD1981B*/ 1928 .type = AC97_TUNE_HP_ONLY 1929 }, 1930 { 1931 .subvendor = 0x104d, 1932 .subdevice = 0x8144, 1933 .name = "Sony", 1934 .type = AC97_TUNE_INV_EAPD 1935 }, 1936 { 1937 .subvendor = 0x104d, 1938 .subdevice = 0x8197, 1939 .name = "Sony S1XP", 1940 .type = AC97_TUNE_INV_EAPD 1941 }, 1942 { 1943 .subvendor = 0x104d, 1944 .subdevice = 0x81c0, 1945 .name = "Sony VAIO VGN-T350P", /*AD1981B*/ 1946 .type = AC97_TUNE_INV_EAPD 1947 }, 1948 { 1949 .subvendor = 0x104d, 1950 .subdevice = 0x81c5, 1951 .name = "Sony VAIO VGN-B1VP", /*AD1981B*/ 1952 .type = AC97_TUNE_INV_EAPD 1953 }, 1954 { 1955 .subvendor = 0x1043, 1956 .subdevice = 0x80f3, 1957 .name = "ASUS ICH5/AD1985", 1958 .type = AC97_TUNE_AD_SHARING 1959 }, 1960 { 1961 .subvendor = 0x10cf, 1962 .subdevice = 0x11c3, 1963 .name = "Fujitsu-Siemens E4010", 1964 .type = AC97_TUNE_HP_ONLY 1965 }, 1966 { 1967 .subvendor = 0x10cf, 1968 .subdevice = 0x1225, 1969 .name = "Fujitsu-Siemens T3010", 1970 .type = AC97_TUNE_HP_ONLY 1971 }, 1972 { 1973 .subvendor = 0x10cf, 1974 .subdevice = 0x1253, 1975 .name = "Fujitsu S6210", /* STAC9750/51 */ 1976 .type = AC97_TUNE_HP_ONLY 1977 }, 1978 { 1979 .subvendor = 0x10cf, 1980 .subdevice = 0x127d, 1981 .name = "Fujitsu Lifebook P7010", 1982 .type = AC97_TUNE_HP_ONLY 1983 }, 1984 { 1985 .subvendor = 0x10cf, 1986 .subdevice = 0x127e, 1987 .name = "Fujitsu Lifebook C1211D", 1988 .type = AC97_TUNE_HP_ONLY 1989 }, 1990 { 1991 .subvendor = 0x10cf, 1992 .subdevice = 0x12ec, 1993 .name = "Fujitsu-Siemens 4010", 1994 .type = AC97_TUNE_HP_ONLY 1995 }, 1996 { 1997 .subvendor = 0x10cf, 1998 .subdevice = 0x12f2, 1999 .name = "Fujitsu-Siemens Celsius H320", 2000 .type = AC97_TUNE_SWAP_HP 2001 }, 2002 { 2003 .subvendor = 0x10f1, 2004 .subdevice = 0x2665, 2005 .name = "Fujitsu-Siemens Celsius", /* AD1981? */ 2006 .type = AC97_TUNE_HP_ONLY 2007 }, 2008 { 2009 .subvendor = 0x10f1, 2010 .subdevice = 0x2885, 2011 .name = "AMD64 Mobo", /* ALC650 */ 2012 .type = AC97_TUNE_HP_ONLY 2013 }, 2014 { 2015 .subvendor = 0x10f1, 2016 .subdevice = 0x2895, 2017 .name = "Tyan Thunder K8WE", 2018 .type = AC97_TUNE_HP_ONLY 2019 }, 2020 { 2021 .subvendor = 0x10f7, 2022 .subdevice = 0x834c, 2023 .name = "Panasonic CF-R4", 2024 .type = AC97_TUNE_HP_ONLY, 2025 }, 2026 { 2027 .subvendor = 0x110a, 2028 .subdevice = 0x0056, 2029 .name = "Fujitsu-Siemens Scenic", /* AD1981? */ 2030 .type = AC97_TUNE_HP_ONLY 2031 }, 2032 { 2033 .subvendor = 0x11d4, 2034 .subdevice = 0x5375, 2035 .name = "ADI AD1985 (discrete)", 2036 .type = AC97_TUNE_HP_ONLY 2037 }, 2038 { 2039 .subvendor = 0x1462, 2040 .subdevice = 0x5470, 2041 .name = "MSI P4 ATX 645 Ultra", 2042 .type = AC97_TUNE_HP_ONLY 2043 }, 2044 { 2045 .subvendor = 0x161f, 2046 .subdevice = 0x202f, 2047 .name = "Gateway M520", 2048 .type = AC97_TUNE_INV_EAPD 2049 }, 2050 { 2051 .subvendor = 0x161f, 2052 .subdevice = 0x203a, 2053 .name = "Gateway 4525GZ", /* AD1981B */ 2054 .type = AC97_TUNE_INV_EAPD 2055 }, 2056 { 2057 .subvendor = 0x1734, 2058 .subdevice = 0x0088, 2059 .name = "Fujitsu-Siemens D1522", /* AD1981 */ 2060 .type = AC97_TUNE_HP_ONLY 2061 }, 2062 { 2063 .subvendor = 0x8086, 2064 .subdevice = 0x2000, 2065 .mask = 0xfff0, 2066 .name = "Intel ICH5/AD1985", 2067 .type = AC97_TUNE_AD_SHARING 2068 }, 2069 { 2070 .subvendor = 0x8086, 2071 .subdevice = 0x4000, 2072 .mask = 0xfff0, 2073 .name = "Intel ICH5/AD1985", 2074 .type = AC97_TUNE_AD_SHARING 2075 }, 2076 { 2077 .subvendor = 0x8086, 2078 .subdevice = 0x4856, 2079 .name = "Intel D845WN (82801BA)", 2080 .type = AC97_TUNE_SWAP_HP 2081 }, 2082 { 2083 .subvendor = 0x8086, 2084 .subdevice = 0x4d44, 2085 .name = "Intel D850EMV2", /* AD1885 */ 2086 .type = AC97_TUNE_HP_ONLY 2087 }, 2088 { 2089 .subvendor = 0x8086, 2090 .subdevice = 0x4d56, 2091 .name = "Intel ICH/AD1885", 2092 .type = AC97_TUNE_HP_ONLY 2093 }, 2094 { 2095 .subvendor = 0x8086, 2096 .subdevice = 0x6000, 2097 .mask = 0xfff0, 2098 .name = "Intel ICH5/AD1985", 2099 .type = AC97_TUNE_AD_SHARING 2100 }, 2101 { 2102 .subvendor = 0x8086, 2103 .subdevice = 0xe000, 2104 .mask = 0xfff0, 2105 .name = "Intel ICH5/AD1985", 2106 .type = AC97_TUNE_AD_SHARING 2107 }, 2108 #if 0 /* FIXME: this seems wrong on most boards */ 2109 { 2110 .subvendor = 0x8086, 2111 .subdevice = 0xa000, 2112 .mask = 0xfff0, 2113 .name = "Intel ICH5/AD1985", 2114 .type = AC97_TUNE_HP_ONLY 2115 }, 2116 #endif 2117 { } /* terminator */ 2118 }; 2119 2120 static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, 2121 const char *quirk_override) 2122 { 2123 struct snd_ac97_bus *pbus; 2124 struct snd_ac97_template ac97; 2125 int err; 2126 unsigned int i, codecs; 2127 unsigned int glob_sta = 0; 2128 const struct snd_ac97_bus_ops *ops; 2129 static const struct snd_ac97_bus_ops standard_bus_ops = { 2130 .write = snd_intel8x0_codec_write, 2131 .read = snd_intel8x0_codec_read, 2132 }; 2133 static const struct snd_ac97_bus_ops ali_bus_ops = { 2134 .write = snd_intel8x0_ali_codec_write, 2135 .read = snd_intel8x0_ali_codec_read, 2136 }; 2137 2138 chip->spdif_idx = -1; /* use PCMOUT (or disabled) */ 2139 if (!spdif_aclink) { 2140 switch (chip->device_type) { 2141 case DEVICE_NFORCE: 2142 chip->spdif_idx = NVD_SPBAR; 2143 break; 2144 case DEVICE_ALI: 2145 chip->spdif_idx = ALID_AC97SPDIFOUT; 2146 break; 2147 case DEVICE_INTEL_ICH4: 2148 chip->spdif_idx = ICHD_SPBAR; 2149 break; 2150 } 2151 } 2152 2153 chip->in_ac97_init = 1; 2154 2155 memset(&ac97, 0, sizeof(ac97)); 2156 ac97.private_data = chip; 2157 ac97.private_free = snd_intel8x0_mixer_free_ac97; 2158 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 2159 if (chip->xbox) 2160 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR; 2161 if (chip->device_type != DEVICE_ALI) { 2162 glob_sta = igetdword(chip, ICHREG(GLOB_STA)); 2163 ops = &standard_bus_ops; 2164 chip->in_sdin_init = 1; 2165 codecs = 0; 2166 for (i = 0; i < chip->max_codecs; i++) { 2167 if (! (glob_sta & chip->codec_bit[i])) 2168 continue; 2169 if (chip->device_type == DEVICE_INTEL_ICH4) { 2170 snd_intel8x0_codec_read_test(chip, codecs); 2171 chip->ac97_sdin[codecs] = 2172 igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK; 2173 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3)) 2174 chip->ac97_sdin[codecs] = 0; 2175 } else 2176 chip->ac97_sdin[codecs] = i; 2177 codecs++; 2178 } 2179 chip->in_sdin_init = 0; 2180 if (! codecs) 2181 codecs = 1; 2182 } else { 2183 ops = &ali_bus_ops; 2184 codecs = 1; 2185 /* detect the secondary codec */ 2186 for (i = 0; i < 100; i++) { 2187 unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR)); 2188 if (reg & 0x40) { 2189 codecs = 2; 2190 break; 2191 } 2192 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40); 2193 udelay(1); 2194 } 2195 } 2196 err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus); 2197 if (err < 0) 2198 goto __err; 2199 pbus->private_free = snd_intel8x0_mixer_free_ac97_bus; 2200 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2201 pbus->clock = ac97_clock; 2202 /* FIXME: my test board doesn't work well with VRA... */ 2203 if (chip->device_type == DEVICE_ALI) 2204 pbus->no_vra = 1; 2205 else 2206 pbus->dra = 1; 2207 chip->ac97_bus = pbus; 2208 chip->ncodecs = codecs; 2209 2210 ac97.pci = chip->pci; 2211 for (i = 0; i < codecs; i++) { 2212 ac97.num = i; 2213 err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i]); 2214 if (err < 0) { 2215 if (err != -EACCES) 2216 dev_err(chip->card->dev, 2217 "Unable to initialize codec #%d\n", i); 2218 if (i == 0) 2219 goto __err; 2220 } 2221 } 2222 /* tune up the primary codec */ 2223 snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override); 2224 /* enable separate SDINs for ICH4 */ 2225 if (chip->device_type == DEVICE_INTEL_ICH4) 2226 pbus->isdin = 1; 2227 /* find the available PCM streams */ 2228 i = ARRAY_SIZE(ac97_pcm_defs); 2229 if (chip->device_type != DEVICE_INTEL_ICH4) 2230 i -= 2; /* do not allocate PCM2IN and MIC2 */ 2231 if (chip->spdif_idx < 0) 2232 i--; /* do not allocate S/PDIF */ 2233 err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs); 2234 if (err < 0) 2235 goto __err; 2236 chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0]; 2237 chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1]; 2238 chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2]; 2239 if (chip->spdif_idx >= 0) 2240 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3]; 2241 if (chip->device_type == DEVICE_INTEL_ICH4) { 2242 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4]; 2243 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5]; 2244 } 2245 /* enable separate SDINs for ICH4 */ 2246 if (chip->device_type == DEVICE_INTEL_ICH4) { 2247 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm; 2248 u8 tmp = igetbyte(chip, ICHREG(SDM)); 2249 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK); 2250 if (pcm) { 2251 tmp |= ICH_SE; /* steer enable for multiple SDINs */ 2252 tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT; 2253 for (i = 1; i < 4; i++) { 2254 if (pcm->r[0].codec[i]) { 2255 tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT; 2256 break; 2257 } 2258 } 2259 } else { 2260 tmp &= ~ICH_SE; /* steer disable */ 2261 } 2262 iputbyte(chip, ICHREG(SDM), tmp); 2263 } 2264 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) { 2265 chip->multi4 = 1; 2266 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) { 2267 chip->multi6 = 1; 2268 if (chip->ac97[0]->flags & AC97_HAS_8CH) 2269 chip->multi8 = 1; 2270 } 2271 } 2272 if (pbus->pcms[0].r[1].rslots[0]) { 2273 chip->dra = 1; 2274 } 2275 if (chip->device_type == DEVICE_INTEL_ICH4) { 2276 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20) 2277 chip->smp20bit = 1; 2278 } 2279 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { 2280 /* 48kHz only */ 2281 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000; 2282 } 2283 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) { 2284 /* use slot 10/11 for SPDIF */ 2285 u32 val; 2286 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK; 2287 val |= ICH_PCM_SPDIF_1011; 2288 iputdword(chip, ICHREG(GLOB_CNT), val); 2289 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 2290 } 2291 chip->in_ac97_init = 0; 2292 return 0; 2293 2294 __err: 2295 /* clear the cold-reset bit for the next chance */ 2296 if (chip->device_type != DEVICE_ALI) 2297 iputdword(chip, ICHREG(GLOB_CNT), 2298 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD); 2299 return err; 2300 } 2301 2302 2303 /* 2304 * 2305 */ 2306 2307 static void do_ali_reset(struct intel8x0 *chip) 2308 { 2309 iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET); 2310 iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383); 2311 iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383); 2312 iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383); 2313 iputdword(chip, ICHREG(ALI_INTERFACECR), 2314 ICH_ALI_IF_PI|ICH_ALI_IF_PO); 2315 iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000); 2316 iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000); 2317 } 2318 2319 #ifdef CONFIG_SND_AC97_POWER_SAVE 2320 static const struct snd_pci_quirk ich_chip_reset_mode[] = { 2321 SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1), 2322 { } /* end */ 2323 }; 2324 2325 static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip) 2326 { 2327 unsigned int cnt; 2328 /* ACLink on, 2 channels */ 2329 2330 if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode)) 2331 return -EIO; 2332 2333 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 2334 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK); 2335 2336 /* do cold reset - the full ac97 powerdown may leave the controller 2337 * in a warm state but actually it cannot communicate with the codec. 2338 */ 2339 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD); 2340 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 2341 udelay(10); 2342 iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD); 2343 msleep(1); 2344 return 0; 2345 } 2346 #define snd_intel8x0_ich_chip_can_cold_reset(chip) \ 2347 (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode)) 2348 #else 2349 #define snd_intel8x0_ich_chip_cold_reset(chip) 0 2350 #define snd_intel8x0_ich_chip_can_cold_reset(chip) (0) 2351 #endif 2352 2353 static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip) 2354 { 2355 unsigned long end_time; 2356 unsigned int cnt; 2357 /* ACLink on, 2 channels */ 2358 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 2359 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK); 2360 /* finish cold or do warm reset */ 2361 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; 2362 iputdword(chip, ICHREG(GLOB_CNT), cnt); 2363 end_time = (jiffies + (HZ / 4)) + 1; 2364 do { 2365 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) 2366 return 0; 2367 schedule_timeout_uninterruptible(1); 2368 } while (time_after_eq(end_time, jiffies)); 2369 dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n", 2370 igetdword(chip, ICHREG(GLOB_CNT))); 2371 return -EIO; 2372 } 2373 2374 static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing) 2375 { 2376 unsigned long end_time; 2377 unsigned int status, nstatus; 2378 unsigned int cnt; 2379 int err; 2380 2381 /* put logic to right state */ 2382 /* first clear status bits */ 2383 status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT; 2384 if (chip->device_type == DEVICE_NFORCE) 2385 status |= ICH_NVSPINT; 2386 cnt = igetdword(chip, ICHREG(GLOB_STA)); 2387 iputdword(chip, ICHREG(GLOB_STA), cnt & status); 2388 2389 if (snd_intel8x0_ich_chip_can_cold_reset(chip)) 2390 err = snd_intel8x0_ich_chip_cold_reset(chip); 2391 else 2392 err = snd_intel8x0_ich_chip_reset(chip); 2393 if (err < 0) 2394 return err; 2395 2396 if (probing) { 2397 /* wait for any codec ready status. 2398 * Once it becomes ready it should remain ready 2399 * as long as we do not disable the ac97 link. 2400 */ 2401 end_time = jiffies + HZ; 2402 do { 2403 status = igetdword(chip, ICHREG(GLOB_STA)) & 2404 chip->codec_isr_bits; 2405 if (status) 2406 break; 2407 schedule_timeout_uninterruptible(1); 2408 } while (time_after_eq(end_time, jiffies)); 2409 if (! status) { 2410 /* no codec is found */ 2411 dev_err(chip->card->dev, 2412 "codec_ready: codec is not ready [0x%x]\n", 2413 igetdword(chip, ICHREG(GLOB_STA))); 2414 return -EIO; 2415 } 2416 2417 /* wait for other codecs ready status. */ 2418 end_time = jiffies + HZ / 4; 2419 while (status != chip->codec_isr_bits && 2420 time_after_eq(end_time, jiffies)) { 2421 schedule_timeout_uninterruptible(1); 2422 status |= igetdword(chip, ICHREG(GLOB_STA)) & 2423 chip->codec_isr_bits; 2424 } 2425 2426 } else { 2427 /* resume phase */ 2428 int i; 2429 status = 0; 2430 for (i = 0; i < chip->ncodecs; i++) 2431 if (chip->ac97[i]) 2432 status |= chip->codec_bit[chip->ac97_sdin[i]]; 2433 /* wait until all the probed codecs are ready */ 2434 end_time = jiffies + HZ; 2435 do { 2436 nstatus = igetdword(chip, ICHREG(GLOB_STA)) & 2437 chip->codec_isr_bits; 2438 if (status == nstatus) 2439 break; 2440 schedule_timeout_uninterruptible(1); 2441 } while (time_after_eq(end_time, jiffies)); 2442 } 2443 2444 if (chip->device_type == DEVICE_SIS) { 2445 /* unmute the output on SIS7012 */ 2446 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1); 2447 } 2448 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { 2449 /* enable SPDIF interrupt */ 2450 unsigned int val; 2451 pci_read_config_dword(chip->pci, 0x4c, &val); 2452 val |= 0x1000000; 2453 pci_write_config_dword(chip->pci, 0x4c, val); 2454 } 2455 return 0; 2456 } 2457 2458 static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing) 2459 { 2460 u32 reg; 2461 int i = 0; 2462 2463 reg = igetdword(chip, ICHREG(ALI_SCR)); 2464 if ((reg & 2) == 0) /* Cold required */ 2465 reg |= 2; 2466 else 2467 reg |= 1; /* Warm */ 2468 reg &= ~0x80000000; /* ACLink on */ 2469 iputdword(chip, ICHREG(ALI_SCR), reg); 2470 2471 for (i = 0; i < HZ / 2; i++) { 2472 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO)) 2473 goto __ok; 2474 schedule_timeout_uninterruptible(1); 2475 } 2476 dev_err(chip->card->dev, "AC'97 reset failed.\n"); 2477 if (probing) 2478 return -EIO; 2479 2480 __ok: 2481 for (i = 0; i < HZ / 2; i++) { 2482 reg = igetdword(chip, ICHREG(ALI_RTSR)); 2483 if (reg & 0x80) /* primary codec */ 2484 break; 2485 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80); 2486 schedule_timeout_uninterruptible(1); 2487 } 2488 2489 do_ali_reset(chip); 2490 return 0; 2491 } 2492 2493 static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing) 2494 { 2495 unsigned int i, timeout; 2496 int err; 2497 2498 if (chip->device_type != DEVICE_ALI) { 2499 err = snd_intel8x0_ich_chip_init(chip, probing); 2500 if (err < 0) 2501 return err; 2502 iagetword(chip, 0); /* clear semaphore flag */ 2503 } else { 2504 err = snd_intel8x0_ali_chip_init(chip, probing); 2505 if (err < 0) 2506 return err; 2507 } 2508 2509 /* disable interrupts */ 2510 for (i = 0; i < chip->bdbars_count; i++) 2511 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 2512 /* reset channels */ 2513 for (i = 0; i < chip->bdbars_count; i++) 2514 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 2515 for (i = 0; i < chip->bdbars_count; i++) { 2516 timeout = 100000; 2517 while (--timeout != 0) { 2518 if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0) 2519 break; 2520 } 2521 if (timeout == 0) 2522 dev_err(chip->card->dev, "reset of registers failed?\n"); 2523 } 2524 /* initialize Buffer Descriptor Lists */ 2525 for (i = 0; i < chip->bdbars_count; i++) 2526 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, 2527 chip->ichd[i].bdbar_addr); 2528 return 0; 2529 } 2530 2531 static void snd_intel8x0_free(struct snd_card *card) 2532 { 2533 struct intel8x0 *chip = card->private_data; 2534 unsigned int i; 2535 2536 if (chip->irq < 0) 2537 goto __hw_end; 2538 /* disable interrupts */ 2539 for (i = 0; i < chip->bdbars_count; i++) 2540 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 2541 /* reset channels */ 2542 for (i = 0; i < chip->bdbars_count; i++) 2543 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 2544 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { 2545 /* stop the spdif interrupt */ 2546 unsigned int val; 2547 pci_read_config_dword(chip->pci, 0x4c, &val); 2548 val &= ~0x1000000; 2549 pci_write_config_dword(chip->pci, 0x4c, val); 2550 } 2551 /* --- */ 2552 2553 __hw_end: 2554 if (chip->irq >= 0) 2555 free_irq(chip->irq, chip); 2556 } 2557 2558 #ifdef CONFIG_PM_SLEEP 2559 /* 2560 * power management 2561 */ 2562 static int intel8x0_suspend(struct device *dev) 2563 { 2564 struct snd_card *card = dev_get_drvdata(dev); 2565 struct intel8x0 *chip = card->private_data; 2566 int i; 2567 2568 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2569 for (i = 0; i < chip->ncodecs; i++) 2570 snd_ac97_suspend(chip->ac97[i]); 2571 if (chip->device_type == DEVICE_INTEL_ICH4) 2572 chip->sdm_saved = igetbyte(chip, ICHREG(SDM)); 2573 2574 if (chip->irq >= 0) { 2575 free_irq(chip->irq, chip); 2576 chip->irq = -1; 2577 card->sync_irq = -1; 2578 } 2579 return 0; 2580 } 2581 2582 static int intel8x0_resume(struct device *dev) 2583 { 2584 struct pci_dev *pci = to_pci_dev(dev); 2585 struct snd_card *card = dev_get_drvdata(dev); 2586 struct intel8x0 *chip = card->private_data; 2587 int i; 2588 2589 snd_intel8x0_chip_init(chip, 0); 2590 if (request_irq(pci->irq, snd_intel8x0_interrupt, 2591 IRQF_SHARED, KBUILD_MODNAME, chip)) { 2592 dev_err(dev, "unable to grab IRQ %d, disabling device\n", 2593 pci->irq); 2594 snd_card_disconnect(card); 2595 return -EIO; 2596 } 2597 chip->irq = pci->irq; 2598 card->sync_irq = chip->irq; 2599 2600 /* re-initialize mixer stuff */ 2601 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) { 2602 /* enable separate SDINs for ICH4 */ 2603 iputbyte(chip, ICHREG(SDM), chip->sdm_saved); 2604 /* use slot 10/11 for SPDIF */ 2605 iputdword(chip, ICHREG(GLOB_CNT), 2606 (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) | 2607 ICH_PCM_SPDIF_1011); 2608 } 2609 2610 for (i = 0; i < chip->ncodecs; i++) 2611 snd_ac97_resume(chip->ac97[i]); 2612 2613 /* resume status */ 2614 for (i = 0; i < chip->bdbars_count; i++) { 2615 struct ichdev *ichdev = &chip->ichd[i]; 2616 unsigned long port = ichdev->reg_offset; 2617 if (! ichdev->substream || ! ichdev->suspended) 2618 continue; 2619 if (ichdev->ichd == ICHD_PCMOUT) 2620 snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime); 2621 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); 2622 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); 2623 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ); 2624 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 2625 } 2626 2627 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2628 return 0; 2629 } 2630 2631 static SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume); 2632 #define INTEL8X0_PM_OPS &intel8x0_pm 2633 #else 2634 #define INTEL8X0_PM_OPS NULL 2635 #endif /* CONFIG_PM_SLEEP */ 2636 2637 #define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */ 2638 2639 static void intel8x0_measure_ac97_clock(struct intel8x0 *chip) 2640 { 2641 struct snd_pcm_substream *subs; 2642 struct ichdev *ichdev; 2643 unsigned long port; 2644 unsigned long pos, pos1, t; 2645 int civ, timeout = 1000, attempt = 1; 2646 ktime_t start_time, stop_time; 2647 2648 if (chip->ac97_bus->clock != 48000) 2649 return; /* specified in module option */ 2650 if (chip->inside_vm && !ac97_clock) 2651 return; /* no measurement on VM */ 2652 2653 __again: 2654 subs = chip->pcm[0]->streams[0].substream; 2655 if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) { 2656 dev_warn(chip->card->dev, 2657 "no playback buffer allocated - aborting measure ac97 clock\n"); 2658 return; 2659 } 2660 ichdev = &chip->ichd[ICHD_PCMOUT]; 2661 ichdev->physbuf = subs->dma_buffer.addr; 2662 ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE; 2663 ichdev->substream = NULL; /* don't process interrupts */ 2664 2665 /* set rate */ 2666 if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) { 2667 dev_err(chip->card->dev, "cannot set ac97 rate: clock = %d\n", 2668 chip->ac97_bus->clock); 2669 return; 2670 } 2671 snd_intel8x0_setup_periods(chip, ichdev); 2672 port = ichdev->reg_offset; 2673 spin_lock_irq(&chip->reg_lock); 2674 chip->in_measurement = 1; 2675 /* trigger */ 2676 if (chip->device_type != DEVICE_ALI) 2677 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM); 2678 else { 2679 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE); 2680 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot); 2681 } 2682 start_time = ktime_get(); 2683 spin_unlock_irq(&chip->reg_lock); 2684 msleep(50); 2685 spin_lock_irq(&chip->reg_lock); 2686 /* check the position */ 2687 do { 2688 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV); 2689 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb); 2690 if (pos1 == 0) { 2691 udelay(10); 2692 continue; 2693 } 2694 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) && 2695 pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb)) 2696 break; 2697 } while (timeout--); 2698 if (pos1 == 0) { /* oops, this value is not reliable */ 2699 pos = 0; 2700 } else { 2701 pos = ichdev->fragsize1; 2702 pos -= pos1 << ichdev->pos_shift; 2703 pos += ichdev->position; 2704 } 2705 chip->in_measurement = 0; 2706 stop_time = ktime_get(); 2707 /* stop */ 2708 if (chip->device_type == DEVICE_ALI) { 2709 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16)); 2710 iputbyte(chip, port + ICH_REG_OFF_CR, 0); 2711 while (igetbyte(chip, port + ICH_REG_OFF_CR)) 2712 ; 2713 } else { 2714 iputbyte(chip, port + ICH_REG_OFF_CR, 0); 2715 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) 2716 ; 2717 } 2718 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 2719 spin_unlock_irq(&chip->reg_lock); 2720 2721 if (pos == 0) { 2722 dev_err(chip->card->dev, 2723 "measure - unreliable DMA position..\n"); 2724 __retry: 2725 if (attempt < 3) { 2726 msleep(300); 2727 attempt++; 2728 goto __again; 2729 } 2730 goto __end; 2731 } 2732 2733 pos /= 4; 2734 t = ktime_us_delta(stop_time, start_time); 2735 dev_info(chip->card->dev, 2736 "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos); 2737 if (t == 0) { 2738 dev_err(chip->card->dev, "?? calculation error..\n"); 2739 goto __retry; 2740 } 2741 pos *= 1000; 2742 pos = (pos / t) * 1000 + ((pos % t) * 1000) / t; 2743 if (pos < 40000 || pos >= 60000) { 2744 /* abnormal value. hw problem? */ 2745 dev_info(chip->card->dev, "measured clock %ld rejected\n", pos); 2746 goto __retry; 2747 } else if (pos > 40500 && pos < 41500) 2748 /* first exception - 41000Hz reference clock */ 2749 chip->ac97_bus->clock = 41000; 2750 else if (pos > 43600 && pos < 44600) 2751 /* second exception - 44100HZ reference clock */ 2752 chip->ac97_bus->clock = 44100; 2753 else if (pos < 47500 || pos > 48500) 2754 /* not 48000Hz, tuning the clock.. */ 2755 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos; 2756 __end: 2757 dev_info(chip->card->dev, "clocking to %d\n", chip->ac97_bus->clock); 2758 snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0); 2759 } 2760 2761 static const struct snd_pci_quirk intel8x0_clock_list[] = { 2762 SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000), 2763 SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000), 2764 SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100), 2765 SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000), 2766 SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000), 2767 SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000), 2768 { } /* terminator */ 2769 }; 2770 2771 static int intel8x0_in_clock_list(struct intel8x0 *chip) 2772 { 2773 struct pci_dev *pci = chip->pci; 2774 const struct snd_pci_quirk *wl; 2775 2776 wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list); 2777 if (!wl) 2778 return 0; 2779 dev_info(chip->card->dev, "allow list rate for %04x:%04x is %i\n", 2780 pci->subsystem_vendor, pci->subsystem_device, wl->value); 2781 chip->ac97_bus->clock = wl->value; 2782 return 1; 2783 } 2784 2785 static void snd_intel8x0_proc_read(struct snd_info_entry * entry, 2786 struct snd_info_buffer *buffer) 2787 { 2788 struct intel8x0 *chip = entry->private_data; 2789 unsigned int tmp; 2790 2791 snd_iprintf(buffer, "Intel8x0\n\n"); 2792 if (chip->device_type == DEVICE_ALI) 2793 return; 2794 tmp = igetdword(chip, ICHREG(GLOB_STA)); 2795 snd_iprintf(buffer, "Global control : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT))); 2796 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp); 2797 if (chip->device_type == DEVICE_INTEL_ICH4) 2798 snd_iprintf(buffer, "SDM : 0x%08x\n", igetdword(chip, ICHREG(SDM))); 2799 snd_iprintf(buffer, "AC'97 codecs ready :"); 2800 if (tmp & chip->codec_isr_bits) { 2801 int i; 2802 static const char *codecs[3] = { 2803 "primary", "secondary", "tertiary" 2804 }; 2805 for (i = 0; i < chip->max_codecs; i++) 2806 if (tmp & chip->codec_bit[i]) 2807 snd_iprintf(buffer, " %s", codecs[i]); 2808 } else 2809 snd_iprintf(buffer, " none"); 2810 snd_iprintf(buffer, "\n"); 2811 if (chip->device_type == DEVICE_INTEL_ICH4 || 2812 chip->device_type == DEVICE_SIS) 2813 snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n", 2814 chip->ac97_sdin[0], 2815 chip->ac97_sdin[1], 2816 chip->ac97_sdin[2]); 2817 } 2818 2819 static void snd_intel8x0_proc_init(struct intel8x0 *chip) 2820 { 2821 snd_card_ro_proc_new(chip->card, "intel8x0", chip, 2822 snd_intel8x0_proc_read); 2823 } 2824 2825 struct ich_reg_info { 2826 unsigned int int_sta_mask; 2827 unsigned int offset; 2828 }; 2829 2830 static const unsigned int ich_codec_bits[3] = { 2831 ICH_PCR, ICH_SCR, ICH_TCR 2832 }; 2833 static const unsigned int sis_codec_bits[3] = { 2834 ICH_PCR, ICH_SCR, ICH_SIS_TCR 2835 }; 2836 2837 static int snd_intel8x0_inside_vm(struct pci_dev *pci) 2838 { 2839 int result = inside_vm; 2840 char *msg = NULL; 2841 2842 /* check module parameter first (override detection) */ 2843 if (result >= 0) { 2844 msg = result ? "enable (forced) VM" : "disable (forced) VM"; 2845 goto fini; 2846 } 2847 2848 /* check for known (emulated) devices */ 2849 result = 0; 2850 if (pci->subsystem_vendor == PCI_SUBVENDOR_ID_REDHAT_QUMRANET && 2851 pci->subsystem_device == PCI_SUBDEVICE_ID_QEMU) { 2852 /* KVM emulated sound, PCI SSID: 1af4:1100 */ 2853 msg = "enable KVM"; 2854 result = 1; 2855 } else if (pci->subsystem_vendor == 0x1ab8) { 2856 /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */ 2857 msg = "enable Parallels VM"; 2858 result = 1; 2859 } 2860 2861 fini: 2862 if (msg != NULL) 2863 dev_info(&pci->dev, "%s optimization\n", msg); 2864 2865 return result; 2866 } 2867 2868 static int snd_intel8x0_init(struct snd_card *card, 2869 struct pci_dev *pci, 2870 unsigned long device_type) 2871 { 2872 struct intel8x0 *chip = card->private_data; 2873 int err; 2874 unsigned int i; 2875 unsigned int int_sta_masks; 2876 struct ichdev *ichdev; 2877 2878 static const unsigned int bdbars[] = { 2879 3, /* DEVICE_INTEL */ 2880 6, /* DEVICE_INTEL_ICH4 */ 2881 3, /* DEVICE_SIS */ 2882 6, /* DEVICE_ALI */ 2883 4, /* DEVICE_NFORCE */ 2884 }; 2885 static const struct ich_reg_info intel_regs[6] = { 2886 { ICH_PIINT, 0 }, 2887 { ICH_POINT, 0x10 }, 2888 { ICH_MCINT, 0x20 }, 2889 { ICH_M2INT, 0x40 }, 2890 { ICH_P2INT, 0x50 }, 2891 { ICH_SPINT, 0x60 }, 2892 }; 2893 static const struct ich_reg_info nforce_regs[4] = { 2894 { ICH_PIINT, 0 }, 2895 { ICH_POINT, 0x10 }, 2896 { ICH_MCINT, 0x20 }, 2897 { ICH_NVSPINT, 0x70 }, 2898 }; 2899 static const struct ich_reg_info ali_regs[6] = { 2900 { ALI_INT_PCMIN, 0x40 }, 2901 { ALI_INT_PCMOUT, 0x50 }, 2902 { ALI_INT_MICIN, 0x60 }, 2903 { ALI_INT_CODECSPDIFOUT, 0x70 }, 2904 { ALI_INT_SPDIFIN, 0xa0 }, 2905 { ALI_INT_SPDIFOUT, 0xb0 }, 2906 }; 2907 const struct ich_reg_info *tbl; 2908 2909 err = pcim_enable_device(pci); 2910 if (err < 0) 2911 return err; 2912 2913 spin_lock_init(&chip->reg_lock); 2914 chip->device_type = device_type; 2915 chip->card = card; 2916 chip->pci = pci; 2917 chip->irq = -1; 2918 2919 /* module parameters */ 2920 chip->buggy_irq = buggy_irq; 2921 chip->buggy_semaphore = buggy_semaphore; 2922 if (xbox) 2923 chip->xbox = 1; 2924 2925 chip->inside_vm = snd_intel8x0_inside_vm(pci); 2926 2927 /* 2928 * Intel 82443MX running a 100MHz processor system bus has a hardware 2929 * bug, which aborts PCI busmaster for audio transfer. A workaround 2930 * is to set the pages as non-cached. For details, see the errata in 2931 * http://download.intel.com/design/chipsets/specupdt/24505108.pdf 2932 */ 2933 if (pci->vendor == PCI_VENDOR_ID_INTEL && 2934 pci->device == PCI_DEVICE_ID_INTEL_440MX) 2935 chip->fix_nocache = 1; /* enable workaround */ 2936 2937 err = pci_request_regions(pci, card->shortname); 2938 if (err < 0) 2939 return err; 2940 2941 if (device_type == DEVICE_ALI) { 2942 /* ALI5455 has no ac97 region */ 2943 chip->bmaddr = pcim_iomap(pci, 0, 0); 2944 } else { 2945 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */ 2946 chip->addr = pcim_iomap(pci, 2, 0); 2947 else 2948 chip->addr = pcim_iomap(pci, 0, 0); 2949 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */ 2950 chip->bmaddr = pcim_iomap(pci, 3, 0); 2951 else 2952 chip->bmaddr = pcim_iomap(pci, 1, 0); 2953 } 2954 2955 chip->bdbars_count = bdbars[device_type]; 2956 2957 /* initialize offsets */ 2958 switch (device_type) { 2959 case DEVICE_NFORCE: 2960 tbl = nforce_regs; 2961 break; 2962 case DEVICE_ALI: 2963 tbl = ali_regs; 2964 break; 2965 default: 2966 tbl = intel_regs; 2967 break; 2968 } 2969 for (i = 0; i < chip->bdbars_count; i++) { 2970 ichdev = &chip->ichd[i]; 2971 ichdev->ichd = i; 2972 ichdev->reg_offset = tbl[i].offset; 2973 ichdev->int_sta_mask = tbl[i].int_sta_mask; 2974 if (device_type == DEVICE_SIS) { 2975 /* SiS 7012 swaps the registers */ 2976 ichdev->roff_sr = ICH_REG_OFF_PICB; 2977 ichdev->roff_picb = ICH_REG_OFF_SR; 2978 } else { 2979 ichdev->roff_sr = ICH_REG_OFF_SR; 2980 ichdev->roff_picb = ICH_REG_OFF_PICB; 2981 } 2982 if (device_type == DEVICE_ALI) 2983 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10; 2984 /* SIS7012 handles the pcm data in bytes, others are in samples */ 2985 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1; 2986 } 2987 2988 /* allocate buffer descriptor lists */ 2989 /* the start of each lists must be aligned to 8 bytes */ 2990 chip->bdbars = snd_devm_alloc_pages(&pci->dev, intel8x0_dma_type(chip), 2991 chip->bdbars_count * sizeof(u32) * 2992 ICH_MAX_FRAGS * 2); 2993 if (!chip->bdbars) 2994 return -ENOMEM; 2995 2996 /* tables must be aligned to 8 bytes here, but the kernel pages 2997 are much bigger, so we don't care (on i386) */ 2998 int_sta_masks = 0; 2999 for (i = 0; i < chip->bdbars_count; i++) { 3000 ichdev = &chip->ichd[i]; 3001 ichdev->bdbar = ((__le32 *)chip->bdbars->area) + 3002 (i * ICH_MAX_FRAGS * 2); 3003 ichdev->bdbar_addr = chip->bdbars->addr + 3004 (i * sizeof(u32) * ICH_MAX_FRAGS * 2); 3005 int_sta_masks |= ichdev->int_sta_mask; 3006 } 3007 chip->int_sta_reg = device_type == DEVICE_ALI ? 3008 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA; 3009 chip->int_sta_mask = int_sta_masks; 3010 3011 pci_set_master(pci); 3012 3013 switch(chip->device_type) { 3014 case DEVICE_INTEL_ICH4: 3015 /* ICH4 can have three codecs */ 3016 chip->max_codecs = 3; 3017 chip->codec_bit = ich_codec_bits; 3018 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI; 3019 break; 3020 case DEVICE_SIS: 3021 /* recent SIS7012 can have three codecs */ 3022 chip->max_codecs = 3; 3023 chip->codec_bit = sis_codec_bits; 3024 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI; 3025 break; 3026 default: 3027 /* others up to two codecs */ 3028 chip->max_codecs = 2; 3029 chip->codec_bit = ich_codec_bits; 3030 chip->codec_ready_bits = ICH_PRI | ICH_SRI; 3031 break; 3032 } 3033 for (i = 0; i < chip->max_codecs; i++) 3034 chip->codec_isr_bits |= chip->codec_bit[i]; 3035 3036 err = snd_intel8x0_chip_init(chip, 1); 3037 if (err < 0) 3038 return err; 3039 3040 /* request irq after initializaing int_sta_mask, etc */ 3041 /* NOTE: we don't use devm version here since it's released / 3042 * re-acquired in PM callbacks. 3043 * It's released explicitly in snd_intel8x0_free(), too. 3044 */ 3045 if (request_irq(pci->irq, snd_intel8x0_interrupt, 3046 IRQF_SHARED, KBUILD_MODNAME, chip)) { 3047 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 3048 return -EBUSY; 3049 } 3050 chip->irq = pci->irq; 3051 card->sync_irq = chip->irq; 3052 3053 card->private_free = snd_intel8x0_free; 3054 3055 return 0; 3056 } 3057 3058 static struct shortname_table { 3059 unsigned int id; 3060 const char *s; 3061 } shortnames[] = { 3062 { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" }, 3063 { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" }, 3064 { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" }, 3065 { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" }, 3066 { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" }, 3067 { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" }, 3068 { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" }, 3069 { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" }, 3070 { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" }, 3071 { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" }, 3072 { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" }, 3073 { PCI_DEVICE_ID_SI_7012, "SiS SI7012" }, 3074 { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" }, 3075 { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" }, 3076 { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" }, 3077 { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" }, 3078 { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" }, 3079 { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" }, 3080 { 0x003a, "NVidia MCP04" }, 3081 { 0x746d, "AMD AMD8111" }, 3082 { 0x7445, "AMD AMD768" }, 3083 { 0x5455, "ALi M5455" }, 3084 { 0, NULL }, 3085 }; 3086 3087 static const struct snd_pci_quirk spdif_aclink_defaults[] = { 3088 SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1), 3089 { } /* end */ 3090 }; 3091 3092 /* look up allow/deny list for SPDIF over ac-link */ 3093 static int check_default_spdif_aclink(struct pci_dev *pci) 3094 { 3095 const struct snd_pci_quirk *w; 3096 3097 w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults); 3098 if (w) { 3099 if (w->value) 3100 dev_dbg(&pci->dev, 3101 "Using SPDIF over AC-Link for %s\n", 3102 snd_pci_quirk_name(w)); 3103 else 3104 dev_dbg(&pci->dev, 3105 "Using integrated SPDIF DMA for %s\n", 3106 snd_pci_quirk_name(w)); 3107 return w->value; 3108 } 3109 return 0; 3110 } 3111 3112 static int snd_intel8x0_probe(struct pci_dev *pci, 3113 const struct pci_device_id *pci_id) 3114 { 3115 struct snd_card *card; 3116 struct intel8x0 *chip; 3117 int err; 3118 struct shortname_table *name; 3119 3120 err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE, 3121 sizeof(*chip), &card); 3122 if (err < 0) 3123 return err; 3124 chip = card->private_data; 3125 3126 if (spdif_aclink < 0) 3127 spdif_aclink = check_default_spdif_aclink(pci); 3128 3129 strcpy(card->driver, "ICH"); 3130 if (!spdif_aclink) { 3131 switch (pci_id->driver_data) { 3132 case DEVICE_NFORCE: 3133 strcpy(card->driver, "NFORCE"); 3134 break; 3135 case DEVICE_INTEL_ICH4: 3136 strcpy(card->driver, "ICH4"); 3137 } 3138 } 3139 3140 strcpy(card->shortname, "Intel ICH"); 3141 for (name = shortnames; name->id; name++) { 3142 if (pci->device == name->id) { 3143 strcpy(card->shortname, name->s); 3144 break; 3145 } 3146 } 3147 3148 if (buggy_irq < 0) { 3149 /* some Nforce[2] and ICH boards have problems with IRQ handling. 3150 * Needs to return IRQ_HANDLED for unknown irqs. 3151 */ 3152 if (pci_id->driver_data == DEVICE_NFORCE) 3153 buggy_irq = 1; 3154 else 3155 buggy_irq = 0; 3156 } 3157 3158 err = snd_intel8x0_init(card, pci, pci_id->driver_data); 3159 if (err < 0) 3160 return err; 3161 3162 err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk); 3163 if (err < 0) 3164 return err; 3165 err = snd_intel8x0_pcm(chip); 3166 if (err < 0) 3167 return err; 3168 3169 snd_intel8x0_proc_init(chip); 3170 3171 snprintf(card->longname, sizeof(card->longname), 3172 "%s with %s at irq %i", card->shortname, 3173 snd_ac97_get_short_name(chip->ac97[0]), chip->irq); 3174 3175 if (ac97_clock == 0 || ac97_clock == 1) { 3176 if (ac97_clock == 0) { 3177 if (intel8x0_in_clock_list(chip) == 0) 3178 intel8x0_measure_ac97_clock(chip); 3179 } else { 3180 intel8x0_measure_ac97_clock(chip); 3181 } 3182 } 3183 3184 err = snd_card_register(card); 3185 if (err < 0) 3186 return err; 3187 3188 pci_set_drvdata(pci, card); 3189 return 0; 3190 } 3191 3192 static struct pci_driver intel8x0_driver = { 3193 .name = KBUILD_MODNAME, 3194 .id_table = snd_intel8x0_ids, 3195 .probe = snd_intel8x0_probe, 3196 .driver = { 3197 .pm = INTEL8X0_PM_OPS, 3198 }, 3199 }; 3200 3201 module_pci_driver(intel8x0_driver); 3202