1 /* 2 * ALSA driver for Intel ICH (i8x0) chipsets 3 * 4 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 5 * 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 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 26 * 27 */ 28 29 #include <asm/io.h> 30 #include <linux/delay.h> 31 #include <linux/interrupt.h> 32 #include <linux/init.h> 33 #include <linux/pci.h> 34 #include <linux/slab.h> 35 #include <linux/moduleparam.h> 36 #include <sound/core.h> 37 #include <sound/pcm.h> 38 #include <sound/ac97_codec.h> 39 #include <sound/info.h> 40 #include <sound/initval.h> 41 /* for 440MX workaround */ 42 #include <asm/pgtable.h> 43 #include <asm/cacheflush.h> 44 45 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 46 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455"); 47 MODULE_LICENSE("GPL"); 48 MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH}," 49 "{Intel,82901AB-ICH0}," 50 "{Intel,82801BA-ICH2}," 51 "{Intel,82801CA-ICH3}," 52 "{Intel,82801DB-ICH4}," 53 "{Intel,ICH5}," 54 "{Intel,ICH6}," 55 "{Intel,ICH7}," 56 "{Intel,6300ESB}," 57 "{Intel,ESB2}," 58 "{Intel,MX440}," 59 "{SiS,SI7012}," 60 "{NVidia,nForce Audio}," 61 "{NVidia,nForce2 Audio}," 62 "{NVidia,nForce3 Audio}," 63 "{NVidia,MCP04}," 64 "{NVidia,MCP501}," 65 "{NVidia,CK804}," 66 "{NVidia,CK8}," 67 "{NVidia,CK8S}," 68 "{AMD,AMD768}," 69 "{AMD,AMD8111}," 70 "{ALI,M5455}}"); 71 72 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 73 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 74 static int ac97_clock; 75 static char *ac97_quirk; 76 static int buggy_semaphore; 77 static int buggy_irq = -1; /* auto-check */ 78 static int xbox; 79 static int spdif_aclink = -1; 80 81 module_param(index, int, 0444); 82 MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard."); 83 module_param(id, charp, 0444); 84 MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard."); 85 module_param(ac97_clock, int, 0444); 86 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect)."); 87 module_param(ac97_quirk, charp, 0444); 88 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 89 module_param(buggy_semaphore, bool, 0444); 90 MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores."); 91 module_param(buggy_irq, bool, 0444); 92 MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards."); 93 module_param(xbox, bool, 0444); 94 MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection."); 95 module_param(spdif_aclink, int, 0444); 96 MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link."); 97 98 /* just for backward compatibility */ 99 static int enable; 100 module_param(enable, bool, 0444); 101 static int joystick; 102 module_param(joystick, int, 0444); 103 104 /* 105 * Direct registers 106 */ 107 enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE }; 108 109 #define ICHREG(x) ICH_REG_##x 110 111 #define DEFINE_REGSET(name,base) \ 112 enum { \ 113 ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \ 114 ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \ 115 ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \ 116 ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \ 117 ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \ 118 ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \ 119 ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \ 120 }; 121 122 /* busmaster blocks */ 123 DEFINE_REGSET(OFF, 0); /* offset */ 124 DEFINE_REGSET(PI, 0x00); /* PCM in */ 125 DEFINE_REGSET(PO, 0x10); /* PCM out */ 126 DEFINE_REGSET(MC, 0x20); /* Mic in */ 127 128 /* ICH4 busmaster blocks */ 129 DEFINE_REGSET(MC2, 0x40); /* Mic in 2 */ 130 DEFINE_REGSET(PI2, 0x50); /* PCM in 2 */ 131 DEFINE_REGSET(SP, 0x60); /* SPDIF out */ 132 133 /* values for each busmaster block */ 134 135 /* LVI */ 136 #define ICH_REG_LVI_MASK 0x1f 137 138 /* SR */ 139 #define ICH_FIFOE 0x10 /* FIFO error */ 140 #define ICH_BCIS 0x08 /* buffer completion interrupt status */ 141 #define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */ 142 #define ICH_CELV 0x02 /* current equals last valid */ 143 #define ICH_DCH 0x01 /* DMA controller halted */ 144 145 /* PIV */ 146 #define ICH_REG_PIV_MASK 0x1f /* mask */ 147 148 /* CR */ 149 #define ICH_IOCE 0x10 /* interrupt on completion enable */ 150 #define ICH_FEIE 0x08 /* fifo error interrupt enable */ 151 #define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */ 152 #define ICH_RESETREGS 0x02 /* reset busmaster registers */ 153 #define ICH_STARTBM 0x01 /* start busmaster operation */ 154 155 156 /* global block */ 157 #define ICH_REG_GLOB_CNT 0x2c /* dword - global control */ 158 #define ICH_PCM_SPDIF_MASK 0xc0000000 /* s/pdif pcm slot mask (ICH4) */ 159 #define ICH_PCM_SPDIF_NONE 0x00000000 /* reserved - undefined */ 160 #define ICH_PCM_SPDIF_78 0x40000000 /* s/pdif pcm on slots 7&8 */ 161 #define ICH_PCM_SPDIF_69 0x80000000 /* s/pdif pcm on slots 6&9 */ 162 #define ICH_PCM_SPDIF_1011 0xc0000000 /* s/pdif pcm on slots 10&11 */ 163 #define ICH_PCM_20BIT 0x00400000 /* 20-bit samples (ICH4) */ 164 #define ICH_PCM_246_MASK 0x00300000 /* chan mask (not all chips) */ 165 #define ICH_PCM_8 0x00300000 /* 8 channels (not all chips) */ 166 #define ICH_PCM_6 0x00200000 /* 6 channels (not all chips) */ 167 #define ICH_PCM_4 0x00100000 /* 4 channels (not all chips) */ 168 #define ICH_PCM_2 0x00000000 /* 2 channels (stereo) */ 169 #define ICH_SIS_PCM_246_MASK 0x000000c0 /* 6 channels (SIS7012) */ 170 #define ICH_SIS_PCM_6 0x00000080 /* 6 channels (SIS7012) */ 171 #define ICH_SIS_PCM_4 0x00000040 /* 4 channels (SIS7012) */ 172 #define ICH_SIS_PCM_2 0x00000000 /* 2 channels (SIS7012) */ 173 #define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */ 174 #define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */ 175 #define ICH_PRIE 0x00000010 /* primary resume interrupt enable */ 176 #define ICH_ACLINK 0x00000008 /* AClink shut off */ 177 #define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */ 178 #define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */ 179 #define ICH_GIE 0x00000001 /* GPI interrupt enable */ 180 #define ICH_REG_GLOB_STA 0x30 /* dword - global status */ 181 #define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */ 182 #define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */ 183 #define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */ 184 #define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */ 185 #define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */ 186 #define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */ 187 #define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */ 188 #define ICH_SAMPLE_16_20 0x00400000 /* ICH4: 16- and 20-bit samples */ 189 #define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ 190 #define ICH_SIS_TRI 0x00080000 /* SIS: tertiary resume irq */ 191 #define ICH_SIS_TCR 0x00040000 /* SIS: tertiary codec ready */ 192 #define ICH_MD3 0x00020000 /* modem power down semaphore */ 193 #define ICH_AD3 0x00010000 /* audio power down semaphore */ 194 #define ICH_RCS 0x00008000 /* read completion status */ 195 #define ICH_BIT3 0x00004000 /* bit 3 slot 12 */ 196 #define ICH_BIT2 0x00002000 /* bit 2 slot 12 */ 197 #define ICH_BIT1 0x00001000 /* bit 1 slot 12 */ 198 #define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */ 199 #define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */ 200 #define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */ 201 #define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */ 202 #define ICH_MCINT 0x00000080 /* MIC capture interrupt */ 203 #define ICH_POINT 0x00000040 /* playback interrupt */ 204 #define ICH_PIINT 0x00000020 /* capture interrupt */ 205 #define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */ 206 #define ICH_MOINT 0x00000004 /* modem playback interrupt */ 207 #define ICH_MIINT 0x00000002 /* modem capture interrupt */ 208 #define ICH_GSCI 0x00000001 /* GPI status change interrupt */ 209 #define ICH_REG_ACC_SEMA 0x34 /* byte - codec write semaphore */ 210 #define ICH_CAS 0x01 /* codec access semaphore */ 211 #define ICH_REG_SDM 0x80 212 #define ICH_DI2L_MASK 0x000000c0 /* PCM In 2, Mic In 2 data in line */ 213 #define ICH_DI2L_SHIFT 6 214 #define ICH_DI1L_MASK 0x00000030 /* PCM In 1, Mic In 1 data in line */ 215 #define ICH_DI1L_SHIFT 4 216 #define ICH_SE 0x00000008 /* steer enable */ 217 #define ICH_LDI_MASK 0x00000003 /* last codec read data input */ 218 219 #define ICH_MAX_FRAGS 32 /* max hw frags */ 220 221 222 /* 223 * registers for Ali5455 224 */ 225 226 /* ALi 5455 busmaster blocks */ 227 DEFINE_REGSET(AL_PI, 0x40); /* ALi PCM in */ 228 DEFINE_REGSET(AL_PO, 0x50); /* Ali PCM out */ 229 DEFINE_REGSET(AL_MC, 0x60); /* Ali Mic in */ 230 DEFINE_REGSET(AL_CDC_SPO, 0x70); /* Ali Codec SPDIF out */ 231 DEFINE_REGSET(AL_CENTER, 0x80); /* Ali center out */ 232 DEFINE_REGSET(AL_LFE, 0x90); /* Ali center out */ 233 DEFINE_REGSET(AL_CLR_SPI, 0xa0); /* Ali Controller SPDIF in */ 234 DEFINE_REGSET(AL_CLR_SPO, 0xb0); /* Ali Controller SPDIF out */ 235 DEFINE_REGSET(AL_I2S, 0xc0); /* Ali I2S in */ 236 DEFINE_REGSET(AL_PI2, 0xd0); /* Ali PCM2 in */ 237 DEFINE_REGSET(AL_MC2, 0xe0); /* Ali Mic2 in */ 238 239 enum { 240 ICH_REG_ALI_SCR = 0x00, /* System Control Register */ 241 ICH_REG_ALI_SSR = 0x04, /* System Status Register */ 242 ICH_REG_ALI_DMACR = 0x08, /* DMA Control Register */ 243 ICH_REG_ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */ 244 ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */ 245 ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */ 246 ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */ 247 ICH_REG_ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */ 248 ICH_REG_ALI_CPR = 0x20, /* Command Port Register */ 249 ICH_REG_ALI_CPR_ADDR = 0x22, /* ac97 addr write */ 250 ICH_REG_ALI_SPR = 0x24, /* Status Port Register */ 251 ICH_REG_ALI_SPR_ADDR = 0x26, /* ac97 addr read */ 252 ICH_REG_ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */ 253 ICH_REG_ALI_TTSR = 0x30, /* Transmit Tag Slot Register */ 254 ICH_REG_ALI_RTSR = 0x34, /* Receive Tag Slot Register */ 255 ICH_REG_ALI_CSPSR = 0x38, /* Command/Status Port Status Register */ 256 ICH_REG_ALI_CAS = 0x3c, /* Codec Write Semaphore Register */ 257 ICH_REG_ALI_HWVOL = 0xf0, /* hardware volume control/status */ 258 ICH_REG_ALI_I2SCR = 0xf4, /* I2S control/status */ 259 ICH_REG_ALI_SPDIFCSR = 0xf8, /* spdif channel status register */ 260 ICH_REG_ALI_SPDIFICS = 0xfc, /* spdif interface control/status */ 261 }; 262 263 #define ALI_CAS_SEM_BUSY 0x80000000 264 #define ALI_CPR_ADDR_SECONDARY 0x100 265 #define ALI_CPR_ADDR_READ 0x80 266 #define ALI_CSPSR_CODEC_READY 0x08 267 #define ALI_CSPSR_READ_OK 0x02 268 #define ALI_CSPSR_WRITE_OK 0x01 269 270 /* interrupts for the whole chip by interrupt status register finish */ 271 272 #define ALI_INT_MICIN2 (1<<26) 273 #define ALI_INT_PCMIN2 (1<<25) 274 #define ALI_INT_I2SIN (1<<24) 275 #define ALI_INT_SPDIFOUT (1<<23) /* controller spdif out INTERRUPT */ 276 #define ALI_INT_SPDIFIN (1<<22) 277 #define ALI_INT_LFEOUT (1<<21) 278 #define ALI_INT_CENTEROUT (1<<20) 279 #define ALI_INT_CODECSPDIFOUT (1<<19) 280 #define ALI_INT_MICIN (1<<18) 281 #define ALI_INT_PCMOUT (1<<17) 282 #define ALI_INT_PCMIN (1<<16) 283 #define ALI_INT_CPRAIS (1<<7) /* command port available */ 284 #define ALI_INT_SPRAIS (1<<5) /* status port available */ 285 #define ALI_INT_GPIO (1<<1) 286 #define ALI_INT_MASK (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\ 287 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN) 288 289 #define ICH_ALI_SC_RESET (1<<31) /* master reset */ 290 #define ICH_ALI_SC_AC97_DBL (1<<30) 291 #define ICH_ALI_SC_CODEC_SPDF (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */ 292 #define ICH_ALI_SC_IN_BITS (3<<18) 293 #define ICH_ALI_SC_OUT_BITS (3<<16) 294 #define ICH_ALI_SC_6CH_CFG (3<<14) 295 #define ICH_ALI_SC_PCM_4 (1<<8) 296 #define ICH_ALI_SC_PCM_6 (2<<8) 297 #define ICH_ALI_SC_PCM_246_MASK (3<<8) 298 299 #define ICH_ALI_SS_SEC_ID (3<<5) 300 #define ICH_ALI_SS_PRI_ID (3<<3) 301 302 #define ICH_ALI_IF_AC97SP (1<<21) 303 #define ICH_ALI_IF_MC (1<<20) 304 #define ICH_ALI_IF_PI (1<<19) 305 #define ICH_ALI_IF_MC2 (1<<18) 306 #define ICH_ALI_IF_PI2 (1<<17) 307 #define ICH_ALI_IF_LINE_SRC (1<<15) /* 0/1 = slot 3/6 */ 308 #define ICH_ALI_IF_MIC_SRC (1<<14) /* 0/1 = slot 3/6 */ 309 #define ICH_ALI_IF_SPDF_SRC (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */ 310 #define ICH_ALI_IF_AC97_OUT (3<<8) /* 00 = PCM, 10 = spdif-in, 11 = i2s */ 311 #define ICH_ALI_IF_PO_SPDF (1<<3) 312 #define ICH_ALI_IF_PO (1<<1) 313 314 /* 315 * 316 */ 317 318 enum { 319 ICHD_PCMIN, 320 ICHD_PCMOUT, 321 ICHD_MIC, 322 ICHD_MIC2, 323 ICHD_PCM2IN, 324 ICHD_SPBAR, 325 ICHD_LAST = ICHD_SPBAR 326 }; 327 enum { 328 NVD_PCMIN, 329 NVD_PCMOUT, 330 NVD_MIC, 331 NVD_SPBAR, 332 NVD_LAST = NVD_SPBAR 333 }; 334 enum { 335 ALID_PCMIN, 336 ALID_PCMOUT, 337 ALID_MIC, 338 ALID_AC97SPDIFOUT, 339 ALID_SPDIFIN, 340 ALID_SPDIFOUT, 341 ALID_LAST = ALID_SPDIFOUT 342 }; 343 344 #define get_ichdev(substream) (substream->runtime->private_data) 345 346 struct ichdev { 347 unsigned int ichd; /* ich device number */ 348 unsigned long reg_offset; /* offset to bmaddr */ 349 u32 *bdbar; /* CPU address (32bit) */ 350 unsigned int bdbar_addr; /* PCI bus address (32bit) */ 351 struct snd_pcm_substream *substream; 352 unsigned int physbuf; /* physical address (32bit) */ 353 unsigned int size; 354 unsigned int fragsize; 355 unsigned int fragsize1; 356 unsigned int position; 357 unsigned int pos_shift; 358 unsigned int last_pos; 359 unsigned long last_pos_jiffies; 360 unsigned int jiffy_to_bytes; 361 int frags; 362 int lvi; 363 int lvi_frag; 364 int civ; 365 int ack; 366 int ack_reload; 367 unsigned int ack_bit; 368 unsigned int roff_sr; 369 unsigned int roff_picb; 370 unsigned int int_sta_mask; /* interrupt status mask */ 371 unsigned int ali_slot; /* ALI DMA slot */ 372 struct ac97_pcm *pcm; 373 int pcm_open_flag; 374 unsigned int page_attr_changed: 1; 375 unsigned int suspended: 1; 376 }; 377 378 struct intel8x0 { 379 unsigned int device_type; 380 381 int irq; 382 383 void __iomem *addr; 384 void __iomem *bmaddr; 385 386 struct pci_dev *pci; 387 struct snd_card *card; 388 389 int pcm_devs; 390 struct snd_pcm *pcm[6]; 391 struct ichdev ichd[6]; 392 393 unsigned multi4: 1, 394 multi6: 1, 395 multi8 :1, 396 dra: 1, 397 smp20bit: 1; 398 unsigned in_ac97_init: 1, 399 in_sdin_init: 1; 400 unsigned in_measurement: 1; /* during ac97 clock measurement */ 401 unsigned fix_nocache: 1; /* workaround for 440MX */ 402 unsigned buggy_irq: 1; /* workaround for buggy mobos */ 403 unsigned xbox: 1; /* workaround for Xbox AC'97 detection */ 404 unsigned buggy_semaphore: 1; /* workaround for buggy codec semaphore */ 405 406 int spdif_idx; /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */ 407 unsigned int sdm_saved; /* SDM reg value */ 408 409 struct snd_ac97_bus *ac97_bus; 410 struct snd_ac97 *ac97[3]; 411 unsigned int ac97_sdin[3]; 412 unsigned int max_codecs, ncodecs; 413 unsigned int *codec_bit; 414 unsigned int codec_isr_bits; 415 unsigned int codec_ready_bits; 416 417 spinlock_t reg_lock; 418 419 u32 bdbars_count; 420 struct snd_dma_buffer bdbars; 421 u32 int_sta_reg; /* interrupt status register */ 422 u32 int_sta_mask; /* interrupt status mask */ 423 }; 424 425 static struct pci_device_id snd_intel8x0_ids[] = { 426 { 0x8086, 0x2415, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */ 427 { 0x8086, 0x2425, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */ 428 { 0x8086, 0x2445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */ 429 { 0x8086, 0x2485, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */ 430 { 0x8086, 0x24c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH4 */ 431 { 0x8086, 0x24d5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH5 */ 432 { 0x8086, 0x25a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ESB */ 433 { 0x8086, 0x266e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH6 */ 434 { 0x8086, 0x27de, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH7 */ 435 { 0x8086, 0x2698, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ESB2 */ 436 { 0x8086, 0x7195, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */ 437 { 0x1039, 0x7012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7012 */ 438 { 0x10de, 0x01b1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */ 439 { 0x10de, 0x003a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* MCP04 */ 440 { 0x10de, 0x006a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */ 441 { 0x10de, 0x0059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK804 */ 442 { 0x10de, 0x008a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK8 */ 443 { 0x10de, 0x00da, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */ 444 { 0x10de, 0x00ea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK8S */ 445 { 0x10de, 0x026b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* MCP51 */ 446 { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */ 447 { 0x1022, 0x7445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */ 448 { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */ 449 { 0, } 450 }; 451 452 MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids); 453 454 /* 455 * Lowlevel I/O - busmaster 456 */ 457 458 static inline u8 igetbyte(struct intel8x0 *chip, u32 offset) 459 { 460 return ioread8(chip->bmaddr + offset); 461 } 462 463 static inline u16 igetword(struct intel8x0 *chip, u32 offset) 464 { 465 return ioread16(chip->bmaddr + offset); 466 } 467 468 static inline u32 igetdword(struct intel8x0 *chip, u32 offset) 469 { 470 return ioread32(chip->bmaddr + offset); 471 } 472 473 static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val) 474 { 475 iowrite8(val, chip->bmaddr + offset); 476 } 477 478 static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val) 479 { 480 iowrite16(val, chip->bmaddr + offset); 481 } 482 483 static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val) 484 { 485 iowrite32(val, chip->bmaddr + offset); 486 } 487 488 /* 489 * Lowlevel I/O - AC'97 registers 490 */ 491 492 static inline u16 iagetword(struct intel8x0 *chip, u32 offset) 493 { 494 return ioread16(chip->addr + offset); 495 } 496 497 static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val) 498 { 499 iowrite16(val, chip->addr + offset); 500 } 501 502 /* 503 * Basic I/O 504 */ 505 506 /* 507 * access to AC97 codec via normal i/o (for ICH and SIS7012) 508 */ 509 510 static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec) 511 { 512 int time; 513 514 if (codec > 2) 515 return -EIO; 516 if (chip->in_sdin_init) { 517 /* we don't know the ready bit assignment at the moment */ 518 /* so we check any */ 519 codec = chip->codec_isr_bits; 520 } else { 521 codec = chip->codec_bit[chip->ac97_sdin[codec]]; 522 } 523 524 /* codec ready ? */ 525 if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) 526 return -EIO; 527 528 if (chip->buggy_semaphore) 529 return 0; /* just ignore ... */ 530 531 /* Anyone holding a semaphore for 1 msec should be shot... */ 532 time = 100; 533 do { 534 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) 535 return 0; 536 udelay(10); 537 } while (time--); 538 539 /* access to some forbidden (non existant) ac97 registers will not 540 * reset the semaphore. So even if you don't get the semaphore, still 541 * continue the access. We don't need the semaphore anyway. */ 542 snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", 543 igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); 544 iagetword(chip, 0); /* clear semaphore flag */ 545 /* I don't care about the semaphore */ 546 return -EBUSY; 547 } 548 549 static void snd_intel8x0_codec_write(struct snd_ac97 *ac97, 550 unsigned short reg, 551 unsigned short val) 552 { 553 struct intel8x0 *chip = ac97->private_data; 554 555 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) { 556 if (! chip->in_ac97_init) 557 snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); 558 } 559 iaputword(chip, reg + ac97->num * 0x80, val); 560 } 561 562 static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, 563 unsigned short reg) 564 { 565 struct intel8x0 *chip = ac97->private_data; 566 unsigned short res; 567 unsigned int tmp; 568 569 if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) { 570 if (! chip->in_ac97_init) 571 snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); 572 res = 0xffff; 573 } else { 574 res = iagetword(chip, reg + ac97->num * 0x80); 575 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { 576 /* reset RCS and preserve other R/WC bits */ 577 iputdword(chip, ICHREG(GLOB_STA), tmp & 578 ~(chip->codec_ready_bits | ICH_GSCI)); 579 if (! chip->in_ac97_init) 580 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg); 581 res = 0xffff; 582 } 583 } 584 return res; 585 } 586 587 static void __devinit snd_intel8x0_codec_read_test(struct intel8x0 *chip, 588 unsigned int codec) 589 { 590 unsigned int tmp; 591 592 if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) { 593 iagetword(chip, codec * 0x80); 594 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { 595 /* reset RCS and preserve other R/WC bits */ 596 iputdword(chip, ICHREG(GLOB_STA), tmp & 597 ~(chip->codec_ready_bits | ICH_GSCI)); 598 } 599 } 600 } 601 602 /* 603 * access to AC97 for Ali5455 604 */ 605 static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask) 606 { 607 int count = 0; 608 for (count = 0; count < 0x7f; count++) { 609 int val = igetbyte(chip, ICHREG(ALI_CSPSR)); 610 if (val & mask) 611 return 0; 612 } 613 if (! chip->in_ac97_init) 614 snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n"); 615 return -EBUSY; 616 } 617 618 static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip) 619 { 620 int time = 100; 621 if (chip->buggy_semaphore) 622 return 0; /* just ignore ... */ 623 while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY)) 624 udelay(1); 625 if (! time && ! chip->in_ac97_init) 626 snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n"); 627 return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY); 628 } 629 630 static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg) 631 { 632 struct intel8x0 *chip = ac97->private_data; 633 unsigned short data = 0xffff; 634 635 if (snd_intel8x0_ali_codec_semaphore(chip)) 636 goto __err; 637 reg |= ALI_CPR_ADDR_READ; 638 if (ac97->num) 639 reg |= ALI_CPR_ADDR_SECONDARY; 640 iputword(chip, ICHREG(ALI_CPR_ADDR), reg); 641 if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK)) 642 goto __err; 643 data = igetword(chip, ICHREG(ALI_SPR)); 644 __err: 645 return data; 646 } 647 648 static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg, 649 unsigned short val) 650 { 651 struct intel8x0 *chip = ac97->private_data; 652 653 if (snd_intel8x0_ali_codec_semaphore(chip)) 654 return; 655 iputword(chip, ICHREG(ALI_CPR), val); 656 if (ac97->num) 657 reg |= ALI_CPR_ADDR_SECONDARY; 658 iputword(chip, ICHREG(ALI_CPR_ADDR), reg); 659 snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK); 660 } 661 662 663 /* 664 * DMA I/O 665 */ 666 static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev) 667 { 668 int idx; 669 u32 *bdbar = ichdev->bdbar; 670 unsigned long port = ichdev->reg_offset; 671 672 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); 673 if (ichdev->size == ichdev->fragsize) { 674 ichdev->ack_reload = ichdev->ack = 2; 675 ichdev->fragsize1 = ichdev->fragsize >> 1; 676 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { 677 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); 678 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 679 ichdev->fragsize1 >> ichdev->pos_shift); 680 bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1)); 681 bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 682 ichdev->fragsize1 >> ichdev->pos_shift); 683 } 684 ichdev->frags = 2; 685 } else { 686 ichdev->ack_reload = ichdev->ack = 1; 687 ichdev->fragsize1 = ichdev->fragsize; 688 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) { 689 bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + 690 (((idx >> 1) * ichdev->fragsize) % 691 ichdev->size)); 692 bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ 693 ichdev->fragsize >> ichdev->pos_shift); 694 #if 0 695 printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n", 696 idx + 0, bdbar[idx + 0], bdbar[idx + 1]); 697 #endif 698 } 699 ichdev->frags = ichdev->size / ichdev->fragsize; 700 } 701 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); 702 ichdev->civ = 0; 703 iputbyte(chip, port + ICH_REG_OFF_CIV, 0); 704 ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; 705 ichdev->position = 0; 706 #if 0 707 printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, " 708 "period_size1 = 0x%x\n", 709 ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, 710 ichdev->fragsize1); 711 #endif 712 /* clear interrupts */ 713 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 714 } 715 716 #ifdef __i386__ 717 /* 718 * Intel 82443MX running a 100MHz processor system bus has a hardware bug, 719 * which aborts PCI busmaster for audio transfer. A workaround is to set 720 * the pages as non-cached. For details, see the errata in 721 * http://www.intel.com/design/chipsets/specupdt/245051.htm 722 */ 723 static void fill_nocache(void *buf, int size, int nocache) 724 { 725 size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; 726 if (nocache) 727 set_pages_uc(virt_to_page(buf), size); 728 else 729 set_pages_wb(virt_to_page(buf), size); 730 } 731 #else 732 #define fill_nocache(buf, size, nocache) do { ; } while (0) 733 #endif 734 735 /* 736 * Interrupt handler 737 */ 738 739 static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev) 740 { 741 unsigned long port = ichdev->reg_offset; 742 unsigned long flags; 743 int status, civ, i, step; 744 int ack = 0; 745 746 spin_lock_irqsave(&chip->reg_lock, flags); 747 status = igetbyte(chip, port + ichdev->roff_sr); 748 civ = igetbyte(chip, port + ICH_REG_OFF_CIV); 749 if (!(status & ICH_BCIS)) { 750 step = 0; 751 } else if (civ == ichdev->civ) { 752 // snd_printd("civ same %d\n", civ); 753 step = 1; 754 ichdev->civ++; 755 ichdev->civ &= ICH_REG_LVI_MASK; 756 } else { 757 step = civ - ichdev->civ; 758 if (step < 0) 759 step += ICH_REG_LVI_MASK + 1; 760 // if (step != 1) 761 // snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ); 762 ichdev->civ = civ; 763 } 764 765 ichdev->position += step * ichdev->fragsize1; 766 if (! chip->in_measurement) 767 ichdev->position %= ichdev->size; 768 ichdev->lvi += step; 769 ichdev->lvi &= ICH_REG_LVI_MASK; 770 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); 771 for (i = 0; i < step; i++) { 772 ichdev->lvi_frag++; 773 ichdev->lvi_frag %= ichdev->frags; 774 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1); 775 #if 0 776 printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, " 777 "all = 0x%x, 0x%x\n", 778 ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], 779 ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), 780 inl(port + 4), inb(port + ICH_REG_OFF_CR)); 781 #endif 782 if (--ichdev->ack == 0) { 783 ichdev->ack = ichdev->ack_reload; 784 ack = 1; 785 } 786 } 787 spin_unlock_irqrestore(&chip->reg_lock, flags); 788 if (ack && ichdev->substream) { 789 snd_pcm_period_elapsed(ichdev->substream); 790 } 791 iputbyte(chip, port + ichdev->roff_sr, 792 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI)); 793 } 794 795 static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id) 796 { 797 struct intel8x0 *chip = dev_id; 798 struct ichdev *ichdev; 799 unsigned int status; 800 unsigned int i; 801 802 status = igetdword(chip, chip->int_sta_reg); 803 if (status == 0xffffffff) /* we are not yet resumed */ 804 return IRQ_NONE; 805 806 if ((status & chip->int_sta_mask) == 0) { 807 if (status) { 808 /* ack */ 809 iputdword(chip, chip->int_sta_reg, status); 810 if (! chip->buggy_irq) 811 status = 0; 812 } 813 return IRQ_RETVAL(status); 814 } 815 816 for (i = 0; i < chip->bdbars_count; i++) { 817 ichdev = &chip->ichd[i]; 818 if (status & ichdev->int_sta_mask) 819 snd_intel8x0_update(chip, ichdev); 820 } 821 822 /* ack them */ 823 iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask); 824 825 return IRQ_HANDLED; 826 } 827 828 /* 829 * PCM part 830 */ 831 832 static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 833 { 834 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 835 struct ichdev *ichdev = get_ichdev(substream); 836 unsigned char val = 0; 837 unsigned long port = ichdev->reg_offset; 838 839 switch (cmd) { 840 case SNDRV_PCM_TRIGGER_RESUME: 841 ichdev->suspended = 0; 842 /* fallthru */ 843 case SNDRV_PCM_TRIGGER_START: 844 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 845 val = ICH_IOCE | ICH_STARTBM; 846 ichdev->last_pos = ichdev->position; 847 ichdev->last_pos_jiffies = jiffies; 848 break; 849 case SNDRV_PCM_TRIGGER_SUSPEND: 850 ichdev->suspended = 1; 851 /* fallthru */ 852 case SNDRV_PCM_TRIGGER_STOP: 853 val = 0; 854 break; 855 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 856 val = ICH_IOCE; 857 break; 858 default: 859 return -EINVAL; 860 } 861 iputbyte(chip, port + ICH_REG_OFF_CR, val); 862 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 863 /* wait until DMA stopped */ 864 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; 865 /* reset whole DMA things */ 866 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 867 } 868 return 0; 869 } 870 871 static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd) 872 { 873 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 874 struct ichdev *ichdev = get_ichdev(substream); 875 unsigned long port = ichdev->reg_offset; 876 static int fiforeg[] = { 877 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3) 878 }; 879 unsigned int val, fifo; 880 881 val = igetdword(chip, ICHREG(ALI_DMACR)); 882 switch (cmd) { 883 case SNDRV_PCM_TRIGGER_RESUME: 884 ichdev->suspended = 0; 885 /* fallthru */ 886 case SNDRV_PCM_TRIGGER_START: 887 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 888 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 889 /* clear FIFO for synchronization of channels */ 890 fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]); 891 fifo &= ~(0xff << (ichdev->ali_slot % 4)); 892 fifo |= 0x83 << (ichdev->ali_slot % 4); 893 iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo); 894 } 895 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE); 896 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */ 897 /* start DMA */ 898 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot)); 899 break; 900 case SNDRV_PCM_TRIGGER_SUSPEND: 901 ichdev->suspended = 1; 902 /* fallthru */ 903 case SNDRV_PCM_TRIGGER_STOP: 904 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 905 /* pause */ 906 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16))); 907 iputbyte(chip, port + ICH_REG_OFF_CR, 0); 908 while (igetbyte(chip, port + ICH_REG_OFF_CR)) 909 ; 910 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH) 911 break; 912 /* reset whole DMA things */ 913 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 914 /* clear interrupts */ 915 iputbyte(chip, port + ICH_REG_OFF_SR, 916 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e); 917 iputdword(chip, ICHREG(ALI_INTERRUPTSR), 918 igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask); 919 break; 920 default: 921 return -EINVAL; 922 } 923 return 0; 924 } 925 926 static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream, 927 struct snd_pcm_hw_params *hw_params) 928 { 929 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 930 struct ichdev *ichdev = get_ichdev(substream); 931 struct snd_pcm_runtime *runtime = substream->runtime; 932 int dbl = params_rate(hw_params) > 48000; 933 int err; 934 935 if (chip->fix_nocache && ichdev->page_attr_changed) { 936 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */ 937 ichdev->page_attr_changed = 0; 938 } 939 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 940 if (err < 0) 941 return err; 942 if (chip->fix_nocache) { 943 if (runtime->dma_area && ! ichdev->page_attr_changed) { 944 fill_nocache(runtime->dma_area, runtime->dma_bytes, 1); 945 ichdev->page_attr_changed = 1; 946 } 947 } 948 if (ichdev->pcm_open_flag) { 949 snd_ac97_pcm_close(ichdev->pcm); 950 ichdev->pcm_open_flag = 0; 951 } 952 err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params), 953 params_channels(hw_params), 954 ichdev->pcm->r[dbl].slots); 955 if (err >= 0) { 956 ichdev->pcm_open_flag = 1; 957 /* Force SPDIF setting */ 958 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0) 959 snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF, 960 params_rate(hw_params)); 961 } 962 return err; 963 } 964 965 static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream) 966 { 967 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 968 struct ichdev *ichdev = get_ichdev(substream); 969 970 if (ichdev->pcm_open_flag) { 971 snd_ac97_pcm_close(ichdev->pcm); 972 ichdev->pcm_open_flag = 0; 973 } 974 if (chip->fix_nocache && ichdev->page_attr_changed) { 975 fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0); 976 ichdev->page_attr_changed = 0; 977 } 978 return snd_pcm_lib_free_pages(substream); 979 } 980 981 static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip, 982 struct snd_pcm_runtime *runtime) 983 { 984 unsigned int cnt; 985 int dbl = runtime->rate > 48000; 986 987 spin_lock_irq(&chip->reg_lock); 988 switch (chip->device_type) { 989 case DEVICE_ALI: 990 cnt = igetdword(chip, ICHREG(ALI_SCR)); 991 cnt &= ~ICH_ALI_SC_PCM_246_MASK; 992 if (runtime->channels == 4 || dbl) 993 cnt |= ICH_ALI_SC_PCM_4; 994 else if (runtime->channels == 6) 995 cnt |= ICH_ALI_SC_PCM_6; 996 iputdword(chip, ICHREG(ALI_SCR), cnt); 997 break; 998 case DEVICE_SIS: 999 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 1000 cnt &= ~ICH_SIS_PCM_246_MASK; 1001 if (runtime->channels == 4 || dbl) 1002 cnt |= ICH_SIS_PCM_4; 1003 else if (runtime->channels == 6) 1004 cnt |= ICH_SIS_PCM_6; 1005 iputdword(chip, ICHREG(GLOB_CNT), cnt); 1006 break; 1007 default: 1008 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 1009 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT); 1010 if (runtime->channels == 4 || dbl) 1011 cnt |= ICH_PCM_4; 1012 else if (runtime->channels == 6) 1013 cnt |= ICH_PCM_6; 1014 else if (runtime->channels == 8) 1015 cnt |= ICH_PCM_8; 1016 if (chip->device_type == DEVICE_NFORCE) { 1017 /* reset to 2ch once to keep the 6 channel data in alignment, 1018 * to start from Front Left always 1019 */ 1020 if (cnt & ICH_PCM_246_MASK) { 1021 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK); 1022 spin_unlock_irq(&chip->reg_lock); 1023 msleep(50); /* grrr... */ 1024 spin_lock_irq(&chip->reg_lock); 1025 } 1026 } else if (chip->device_type == DEVICE_INTEL_ICH4) { 1027 if (runtime->sample_bits > 16) 1028 cnt |= ICH_PCM_20BIT; 1029 } 1030 iputdword(chip, ICHREG(GLOB_CNT), cnt); 1031 break; 1032 } 1033 spin_unlock_irq(&chip->reg_lock); 1034 } 1035 1036 static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream) 1037 { 1038 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1039 struct snd_pcm_runtime *runtime = substream->runtime; 1040 struct ichdev *ichdev = get_ichdev(substream); 1041 1042 ichdev->physbuf = runtime->dma_addr; 1043 ichdev->size = snd_pcm_lib_buffer_bytes(substream); 1044 ichdev->fragsize = snd_pcm_lib_period_bytes(substream); 1045 if (ichdev->ichd == ICHD_PCMOUT) { 1046 snd_intel8x0_setup_pcm_out(chip, runtime); 1047 if (chip->device_type == DEVICE_INTEL_ICH4) 1048 ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1; 1049 } 1050 snd_intel8x0_setup_periods(chip, ichdev); 1051 ichdev->jiffy_to_bytes = (runtime->rate * 4 * ichdev->pos_shift) / HZ; 1052 return 0; 1053 } 1054 1055 static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream) 1056 { 1057 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1058 struct ichdev *ichdev = get_ichdev(substream); 1059 size_t ptr1, ptr; 1060 int civ, timeout = 10; 1061 unsigned int position; 1062 1063 spin_lock(&chip->reg_lock); 1064 do { 1065 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV); 1066 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb); 1067 position = ichdev->position; 1068 if (ptr1 == 0) { 1069 udelay(10); 1070 continue; 1071 } 1072 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) && 1073 ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb)) 1074 break; 1075 } while (timeout--); 1076 if (ptr1 != 0) { 1077 ptr1 <<= ichdev->pos_shift; 1078 ptr = ichdev->fragsize1 - ptr1; 1079 ptr += position; 1080 ichdev->last_pos = ptr; 1081 ichdev->last_pos_jiffies = jiffies; 1082 } else { 1083 ptr1 = jiffies - ichdev->last_pos_jiffies; 1084 if (ptr1) 1085 ptr1 -= 1; 1086 ptr = ichdev->last_pos + ptr1 * ichdev->jiffy_to_bytes; 1087 ptr %= ichdev->size; 1088 } 1089 spin_unlock(&chip->reg_lock); 1090 if (ptr >= ichdev->size) 1091 return 0; 1092 return bytes_to_frames(substream->runtime, ptr); 1093 } 1094 1095 static struct snd_pcm_hardware snd_intel8x0_stream = 1096 { 1097 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1098 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1099 SNDRV_PCM_INFO_MMAP_VALID | 1100 SNDRV_PCM_INFO_PAUSE | 1101 SNDRV_PCM_INFO_RESUME), 1102 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1103 .rates = SNDRV_PCM_RATE_48000, 1104 .rate_min = 48000, 1105 .rate_max = 48000, 1106 .channels_min = 2, 1107 .channels_max = 2, 1108 .buffer_bytes_max = 128 * 1024, 1109 .period_bytes_min = 32, 1110 .period_bytes_max = 128 * 1024, 1111 .periods_min = 1, 1112 .periods_max = 1024, 1113 .fifo_size = 0, 1114 }; 1115 1116 static unsigned int channels4[] = { 1117 2, 4, 1118 }; 1119 1120 static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = { 1121 .count = ARRAY_SIZE(channels4), 1122 .list = channels4, 1123 .mask = 0, 1124 }; 1125 1126 static unsigned int channels6[] = { 1127 2, 4, 6, 1128 }; 1129 1130 static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = { 1131 .count = ARRAY_SIZE(channels6), 1132 .list = channels6, 1133 .mask = 0, 1134 }; 1135 1136 static unsigned int channels8[] = { 1137 2, 4, 6, 8, 1138 }; 1139 1140 static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = { 1141 .count = ARRAY_SIZE(channels8), 1142 .list = channels8, 1143 .mask = 0, 1144 }; 1145 1146 static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev) 1147 { 1148 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1149 struct snd_pcm_runtime *runtime = substream->runtime; 1150 int err; 1151 1152 ichdev->substream = substream; 1153 runtime->hw = snd_intel8x0_stream; 1154 runtime->hw.rates = ichdev->pcm->rates; 1155 snd_pcm_limit_hw_rates(runtime); 1156 if (chip->device_type == DEVICE_SIS) { 1157 runtime->hw.buffer_bytes_max = 64*1024; 1158 runtime->hw.period_bytes_max = 64*1024; 1159 } 1160 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1161 return err; 1162 runtime->private_data = ichdev; 1163 return 0; 1164 } 1165 1166 static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream) 1167 { 1168 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1169 struct snd_pcm_runtime *runtime = substream->runtime; 1170 int err; 1171 1172 err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]); 1173 if (err < 0) 1174 return err; 1175 1176 if (chip->multi8) { 1177 runtime->hw.channels_max = 8; 1178 snd_pcm_hw_constraint_list(runtime, 0, 1179 SNDRV_PCM_HW_PARAM_CHANNELS, 1180 &hw_constraints_channels8); 1181 } else if (chip->multi6) { 1182 runtime->hw.channels_max = 6; 1183 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 1184 &hw_constraints_channels6); 1185 } else if (chip->multi4) { 1186 runtime->hw.channels_max = 4; 1187 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 1188 &hw_constraints_channels4); 1189 } 1190 if (chip->dra) { 1191 snd_ac97_pcm_double_rate_rules(runtime); 1192 } 1193 if (chip->smp20bit) { 1194 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE; 1195 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20); 1196 } 1197 return 0; 1198 } 1199 1200 static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream) 1201 { 1202 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1203 1204 chip->ichd[ICHD_PCMOUT].substream = NULL; 1205 return 0; 1206 } 1207 1208 static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream) 1209 { 1210 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1211 1212 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]); 1213 } 1214 1215 static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream) 1216 { 1217 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1218 1219 chip->ichd[ICHD_PCMIN].substream = NULL; 1220 return 0; 1221 } 1222 1223 static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream) 1224 { 1225 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1226 1227 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]); 1228 } 1229 1230 static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream) 1231 { 1232 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1233 1234 chip->ichd[ICHD_MIC].substream = NULL; 1235 return 0; 1236 } 1237 1238 static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream) 1239 { 1240 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1241 1242 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]); 1243 } 1244 1245 static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream) 1246 { 1247 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1248 1249 chip->ichd[ICHD_MIC2].substream = NULL; 1250 return 0; 1251 } 1252 1253 static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream) 1254 { 1255 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1256 1257 return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]); 1258 } 1259 1260 static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream) 1261 { 1262 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1263 1264 chip->ichd[ICHD_PCM2IN].substream = NULL; 1265 return 0; 1266 } 1267 1268 static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream) 1269 { 1270 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1271 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; 1272 1273 return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]); 1274 } 1275 1276 static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream) 1277 { 1278 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1279 int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; 1280 1281 chip->ichd[idx].substream = NULL; 1282 return 0; 1283 } 1284 1285 static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream) 1286 { 1287 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1288 unsigned int val; 1289 1290 spin_lock_irq(&chip->reg_lock); 1291 val = igetdword(chip, ICHREG(ALI_INTERFACECR)); 1292 val |= ICH_ALI_IF_AC97SP; 1293 iputdword(chip, ICHREG(ALI_INTERFACECR), val); 1294 /* also needs to set ALI_SC_CODEC_SPDF correctly */ 1295 spin_unlock_irq(&chip->reg_lock); 1296 1297 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]); 1298 } 1299 1300 static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream) 1301 { 1302 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1303 unsigned int val; 1304 1305 chip->ichd[ALID_AC97SPDIFOUT].substream = NULL; 1306 spin_lock_irq(&chip->reg_lock); 1307 val = igetdword(chip, ICHREG(ALI_INTERFACECR)); 1308 val &= ~ICH_ALI_IF_AC97SP; 1309 iputdword(chip, ICHREG(ALI_INTERFACECR), val); 1310 spin_unlock_irq(&chip->reg_lock); 1311 1312 return 0; 1313 } 1314 1315 #if 0 // NYI 1316 static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream) 1317 { 1318 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1319 1320 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]); 1321 } 1322 1323 static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream) 1324 { 1325 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1326 1327 chip->ichd[ALID_SPDIFIN].substream = NULL; 1328 return 0; 1329 } 1330 1331 static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream) 1332 { 1333 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1334 1335 return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]); 1336 } 1337 1338 static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream) 1339 { 1340 struct intel8x0 *chip = snd_pcm_substream_chip(substream); 1341 1342 chip->ichd[ALID_SPDIFOUT].substream = NULL; 1343 return 0; 1344 } 1345 #endif 1346 1347 static struct snd_pcm_ops snd_intel8x0_playback_ops = { 1348 .open = snd_intel8x0_playback_open, 1349 .close = snd_intel8x0_playback_close, 1350 .ioctl = snd_pcm_lib_ioctl, 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 struct snd_pcm_ops snd_intel8x0_capture_ops = { 1359 .open = snd_intel8x0_capture_open, 1360 .close = snd_intel8x0_capture_close, 1361 .ioctl = snd_pcm_lib_ioctl, 1362 .hw_params = snd_intel8x0_hw_params, 1363 .hw_free = snd_intel8x0_hw_free, 1364 .prepare = snd_intel8x0_pcm_prepare, 1365 .trigger = snd_intel8x0_pcm_trigger, 1366 .pointer = snd_intel8x0_pcm_pointer, 1367 }; 1368 1369 static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = { 1370 .open = snd_intel8x0_mic_open, 1371 .close = snd_intel8x0_mic_close, 1372 .ioctl = snd_pcm_lib_ioctl, 1373 .hw_params = snd_intel8x0_hw_params, 1374 .hw_free = snd_intel8x0_hw_free, 1375 .prepare = snd_intel8x0_pcm_prepare, 1376 .trigger = snd_intel8x0_pcm_trigger, 1377 .pointer = snd_intel8x0_pcm_pointer, 1378 }; 1379 1380 static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = { 1381 .open = snd_intel8x0_mic2_open, 1382 .close = snd_intel8x0_mic2_close, 1383 .ioctl = snd_pcm_lib_ioctl, 1384 .hw_params = snd_intel8x0_hw_params, 1385 .hw_free = snd_intel8x0_hw_free, 1386 .prepare = snd_intel8x0_pcm_prepare, 1387 .trigger = snd_intel8x0_pcm_trigger, 1388 .pointer = snd_intel8x0_pcm_pointer, 1389 }; 1390 1391 static struct snd_pcm_ops snd_intel8x0_capture2_ops = { 1392 .open = snd_intel8x0_capture2_open, 1393 .close = snd_intel8x0_capture2_close, 1394 .ioctl = snd_pcm_lib_ioctl, 1395 .hw_params = snd_intel8x0_hw_params, 1396 .hw_free = snd_intel8x0_hw_free, 1397 .prepare = snd_intel8x0_pcm_prepare, 1398 .trigger = snd_intel8x0_pcm_trigger, 1399 .pointer = snd_intel8x0_pcm_pointer, 1400 }; 1401 1402 static struct snd_pcm_ops snd_intel8x0_spdif_ops = { 1403 .open = snd_intel8x0_spdif_open, 1404 .close = snd_intel8x0_spdif_close, 1405 .ioctl = snd_pcm_lib_ioctl, 1406 .hw_params = snd_intel8x0_hw_params, 1407 .hw_free = snd_intel8x0_hw_free, 1408 .prepare = snd_intel8x0_pcm_prepare, 1409 .trigger = snd_intel8x0_pcm_trigger, 1410 .pointer = snd_intel8x0_pcm_pointer, 1411 }; 1412 1413 static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = { 1414 .open = snd_intel8x0_playback_open, 1415 .close = snd_intel8x0_playback_close, 1416 .ioctl = snd_pcm_lib_ioctl, 1417 .hw_params = snd_intel8x0_hw_params, 1418 .hw_free = snd_intel8x0_hw_free, 1419 .prepare = snd_intel8x0_pcm_prepare, 1420 .trigger = snd_intel8x0_ali_trigger, 1421 .pointer = snd_intel8x0_pcm_pointer, 1422 }; 1423 1424 static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = { 1425 .open = snd_intel8x0_capture_open, 1426 .close = snd_intel8x0_capture_close, 1427 .ioctl = snd_pcm_lib_ioctl, 1428 .hw_params = snd_intel8x0_hw_params, 1429 .hw_free = snd_intel8x0_hw_free, 1430 .prepare = snd_intel8x0_pcm_prepare, 1431 .trigger = snd_intel8x0_ali_trigger, 1432 .pointer = snd_intel8x0_pcm_pointer, 1433 }; 1434 1435 static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = { 1436 .open = snd_intel8x0_mic_open, 1437 .close = snd_intel8x0_mic_close, 1438 .ioctl = snd_pcm_lib_ioctl, 1439 .hw_params = snd_intel8x0_hw_params, 1440 .hw_free = snd_intel8x0_hw_free, 1441 .prepare = snd_intel8x0_pcm_prepare, 1442 .trigger = snd_intel8x0_ali_trigger, 1443 .pointer = snd_intel8x0_pcm_pointer, 1444 }; 1445 1446 static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = { 1447 .open = snd_intel8x0_ali_ac97spdifout_open, 1448 .close = snd_intel8x0_ali_ac97spdifout_close, 1449 .ioctl = snd_pcm_lib_ioctl, 1450 .hw_params = snd_intel8x0_hw_params, 1451 .hw_free = snd_intel8x0_hw_free, 1452 .prepare = snd_intel8x0_pcm_prepare, 1453 .trigger = snd_intel8x0_ali_trigger, 1454 .pointer = snd_intel8x0_pcm_pointer, 1455 }; 1456 1457 #if 0 // NYI 1458 static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = { 1459 .open = snd_intel8x0_ali_spdifin_open, 1460 .close = snd_intel8x0_ali_spdifin_close, 1461 .ioctl = snd_pcm_lib_ioctl, 1462 .hw_params = snd_intel8x0_hw_params, 1463 .hw_free = snd_intel8x0_hw_free, 1464 .prepare = snd_intel8x0_pcm_prepare, 1465 .trigger = snd_intel8x0_pcm_trigger, 1466 .pointer = snd_intel8x0_pcm_pointer, 1467 }; 1468 1469 static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = { 1470 .open = snd_intel8x0_ali_spdifout_open, 1471 .close = snd_intel8x0_ali_spdifout_close, 1472 .ioctl = snd_pcm_lib_ioctl, 1473 .hw_params = snd_intel8x0_hw_params, 1474 .hw_free = snd_intel8x0_hw_free, 1475 .prepare = snd_intel8x0_pcm_prepare, 1476 .trigger = snd_intel8x0_pcm_trigger, 1477 .pointer = snd_intel8x0_pcm_pointer, 1478 }; 1479 #endif // NYI 1480 1481 struct ich_pcm_table { 1482 char *suffix; 1483 struct snd_pcm_ops *playback_ops; 1484 struct snd_pcm_ops *capture_ops; 1485 size_t prealloc_size; 1486 size_t prealloc_max_size; 1487 int ac97_idx; 1488 }; 1489 1490 static int __devinit snd_intel8x0_pcm1(struct intel8x0 *chip, int device, 1491 struct ich_pcm_table *rec) 1492 { 1493 struct snd_pcm *pcm; 1494 int err; 1495 char name[32]; 1496 1497 if (rec->suffix) 1498 sprintf(name, "Intel ICH - %s", rec->suffix); 1499 else 1500 strcpy(name, "Intel ICH"); 1501 err = snd_pcm_new(chip->card, name, device, 1502 rec->playback_ops ? 1 : 0, 1503 rec->capture_ops ? 1 : 0, &pcm); 1504 if (err < 0) 1505 return err; 1506 1507 if (rec->playback_ops) 1508 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); 1509 if (rec->capture_ops) 1510 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); 1511 1512 pcm->private_data = chip; 1513 pcm->info_flags = 0; 1514 if (rec->suffix) 1515 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); 1516 else 1517 strcpy(pcm->name, chip->card->shortname); 1518 chip->pcm[device] = pcm; 1519 1520 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1521 snd_dma_pci_data(chip->pci), 1522 rec->prealloc_size, rec->prealloc_max_size); 1523 1524 return 0; 1525 } 1526 1527 static struct ich_pcm_table intel_pcms[] __devinitdata = { 1528 { 1529 .playback_ops = &snd_intel8x0_playback_ops, 1530 .capture_ops = &snd_intel8x0_capture_ops, 1531 .prealloc_size = 64 * 1024, 1532 .prealloc_max_size = 128 * 1024, 1533 }, 1534 { 1535 .suffix = "MIC ADC", 1536 .capture_ops = &snd_intel8x0_capture_mic_ops, 1537 .prealloc_size = 0, 1538 .prealloc_max_size = 128 * 1024, 1539 .ac97_idx = ICHD_MIC, 1540 }, 1541 { 1542 .suffix = "MIC2 ADC", 1543 .capture_ops = &snd_intel8x0_capture_mic2_ops, 1544 .prealloc_size = 0, 1545 .prealloc_max_size = 128 * 1024, 1546 .ac97_idx = ICHD_MIC2, 1547 }, 1548 { 1549 .suffix = "ADC2", 1550 .capture_ops = &snd_intel8x0_capture2_ops, 1551 .prealloc_size = 0, 1552 .prealloc_max_size = 128 * 1024, 1553 .ac97_idx = ICHD_PCM2IN, 1554 }, 1555 { 1556 .suffix = "IEC958", 1557 .playback_ops = &snd_intel8x0_spdif_ops, 1558 .prealloc_size = 64 * 1024, 1559 .prealloc_max_size = 128 * 1024, 1560 .ac97_idx = ICHD_SPBAR, 1561 }, 1562 }; 1563 1564 static struct ich_pcm_table nforce_pcms[] __devinitdata = { 1565 { 1566 .playback_ops = &snd_intel8x0_playback_ops, 1567 .capture_ops = &snd_intel8x0_capture_ops, 1568 .prealloc_size = 64 * 1024, 1569 .prealloc_max_size = 128 * 1024, 1570 }, 1571 { 1572 .suffix = "MIC ADC", 1573 .capture_ops = &snd_intel8x0_capture_mic_ops, 1574 .prealloc_size = 0, 1575 .prealloc_max_size = 128 * 1024, 1576 .ac97_idx = NVD_MIC, 1577 }, 1578 { 1579 .suffix = "IEC958", 1580 .playback_ops = &snd_intel8x0_spdif_ops, 1581 .prealloc_size = 64 * 1024, 1582 .prealloc_max_size = 128 * 1024, 1583 .ac97_idx = NVD_SPBAR, 1584 }, 1585 }; 1586 1587 static struct ich_pcm_table ali_pcms[] __devinitdata = { 1588 { 1589 .playback_ops = &snd_intel8x0_ali_playback_ops, 1590 .capture_ops = &snd_intel8x0_ali_capture_ops, 1591 .prealloc_size = 64 * 1024, 1592 .prealloc_max_size = 128 * 1024, 1593 }, 1594 { 1595 .suffix = "MIC ADC", 1596 .capture_ops = &snd_intel8x0_ali_capture_mic_ops, 1597 .prealloc_size = 0, 1598 .prealloc_max_size = 128 * 1024, 1599 .ac97_idx = ALID_MIC, 1600 }, 1601 { 1602 .suffix = "IEC958", 1603 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops, 1604 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */ 1605 .prealloc_size = 64 * 1024, 1606 .prealloc_max_size = 128 * 1024, 1607 .ac97_idx = ALID_AC97SPDIFOUT, 1608 }, 1609 #if 0 // NYI 1610 { 1611 .suffix = "HW IEC958", 1612 .playback_ops = &snd_intel8x0_ali_spdifout_ops, 1613 .prealloc_size = 64 * 1024, 1614 .prealloc_max_size = 128 * 1024, 1615 }, 1616 #endif 1617 }; 1618 1619 static int __devinit snd_intel8x0_pcm(struct intel8x0 *chip) 1620 { 1621 int i, tblsize, device, err; 1622 struct ich_pcm_table *tbl, *rec; 1623 1624 switch (chip->device_type) { 1625 case DEVICE_INTEL_ICH4: 1626 tbl = intel_pcms; 1627 tblsize = ARRAY_SIZE(intel_pcms); 1628 if (spdif_aclink) 1629 tblsize--; 1630 break; 1631 case DEVICE_NFORCE: 1632 tbl = nforce_pcms; 1633 tblsize = ARRAY_SIZE(nforce_pcms); 1634 if (spdif_aclink) 1635 tblsize--; 1636 break; 1637 case DEVICE_ALI: 1638 tbl = ali_pcms; 1639 tblsize = ARRAY_SIZE(ali_pcms); 1640 break; 1641 default: 1642 tbl = intel_pcms; 1643 tblsize = 2; 1644 break; 1645 } 1646 1647 device = 0; 1648 for (i = 0; i < tblsize; i++) { 1649 rec = tbl + i; 1650 if (i > 0 && rec->ac97_idx) { 1651 /* activate PCM only when associated AC'97 codec */ 1652 if (! chip->ichd[rec->ac97_idx].pcm) 1653 continue; 1654 } 1655 err = snd_intel8x0_pcm1(chip, device, rec); 1656 if (err < 0) 1657 return err; 1658 device++; 1659 } 1660 1661 chip->pcm_devs = device; 1662 return 0; 1663 } 1664 1665 1666 /* 1667 * Mixer part 1668 */ 1669 1670 static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1671 { 1672 struct intel8x0 *chip = bus->private_data; 1673 chip->ac97_bus = NULL; 1674 } 1675 1676 static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97) 1677 { 1678 struct intel8x0 *chip = ac97->private_data; 1679 chip->ac97[ac97->num] = NULL; 1680 } 1681 1682 static struct ac97_pcm ac97_pcm_defs[] __devinitdata = { 1683 /* front PCM */ 1684 { 1685 .exclusive = 1, 1686 .r = { { 1687 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1688 (1 << AC97_SLOT_PCM_RIGHT) | 1689 (1 << AC97_SLOT_PCM_CENTER) | 1690 (1 << AC97_SLOT_PCM_SLEFT) | 1691 (1 << AC97_SLOT_PCM_SRIGHT) | 1692 (1 << AC97_SLOT_LFE) 1693 }, 1694 { 1695 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1696 (1 << AC97_SLOT_PCM_RIGHT) | 1697 (1 << AC97_SLOT_PCM_LEFT_0) | 1698 (1 << AC97_SLOT_PCM_RIGHT_0) 1699 } 1700 } 1701 }, 1702 /* PCM IN #1 */ 1703 { 1704 .stream = 1, 1705 .exclusive = 1, 1706 .r = { { 1707 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1708 (1 << AC97_SLOT_PCM_RIGHT) 1709 } 1710 } 1711 }, 1712 /* MIC IN #1 */ 1713 { 1714 .stream = 1, 1715 .exclusive = 1, 1716 .r = { { 1717 .slots = (1 << AC97_SLOT_MIC) 1718 } 1719 } 1720 }, 1721 /* S/PDIF PCM */ 1722 { 1723 .exclusive = 1, 1724 .spdif = 1, 1725 .r = { { 1726 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) | 1727 (1 << AC97_SLOT_SPDIF_RIGHT2) 1728 } 1729 } 1730 }, 1731 /* PCM IN #2 */ 1732 { 1733 .stream = 1, 1734 .exclusive = 1, 1735 .r = { { 1736 .slots = (1 << AC97_SLOT_PCM_LEFT) | 1737 (1 << AC97_SLOT_PCM_RIGHT) 1738 } 1739 } 1740 }, 1741 /* MIC IN #2 */ 1742 { 1743 .stream = 1, 1744 .exclusive = 1, 1745 .r = { { 1746 .slots = (1 << AC97_SLOT_MIC) 1747 } 1748 } 1749 }, 1750 }; 1751 1752 static struct ac97_quirk ac97_quirks[] __devinitdata = { 1753 { 1754 .subvendor = 0x0e11, 1755 .subdevice = 0x000e, 1756 .name = "Compaq Deskpro EN", /* AD1885 */ 1757 .type = AC97_TUNE_HP_ONLY 1758 }, 1759 { 1760 .subvendor = 0x0e11, 1761 .subdevice = 0x008a, 1762 .name = "Compaq Evo W4000", /* AD1885 */ 1763 .type = AC97_TUNE_HP_ONLY 1764 }, 1765 { 1766 .subvendor = 0x0e11, 1767 .subdevice = 0x00b8, 1768 .name = "Compaq Evo D510C", 1769 .type = AC97_TUNE_HP_ONLY 1770 }, 1771 { 1772 .subvendor = 0x0e11, 1773 .subdevice = 0x0860, 1774 .name = "HP/Compaq nx7010", 1775 .type = AC97_TUNE_MUTE_LED 1776 }, 1777 { 1778 .subvendor = 0x1014, 1779 .subdevice = 0x1f00, 1780 .name = "MS-9128", 1781 .type = AC97_TUNE_ALC_JACK 1782 }, 1783 { 1784 .subvendor = 0x1014, 1785 .subdevice = 0x0267, 1786 .name = "IBM NetVista A30p", /* AD1981B */ 1787 .type = AC97_TUNE_HP_ONLY 1788 }, 1789 { 1790 .subvendor = 0x1025, 1791 .subdevice = 0x0082, 1792 .name = "Acer Travelmate 2310", 1793 .type = AC97_TUNE_HP_ONLY 1794 }, 1795 { 1796 .subvendor = 0x1025, 1797 .subdevice = 0x0083, 1798 .name = "Acer Aspire 3003LCi", 1799 .type = AC97_TUNE_HP_ONLY 1800 }, 1801 { 1802 .subvendor = 0x1028, 1803 .subdevice = 0x00d8, 1804 .name = "Dell Precision 530", /* AD1885 */ 1805 .type = AC97_TUNE_HP_ONLY 1806 }, 1807 { 1808 .subvendor = 0x1028, 1809 .subdevice = 0x010d, 1810 .name = "Dell", /* which model? AD1885 */ 1811 .type = AC97_TUNE_HP_ONLY 1812 }, 1813 { 1814 .subvendor = 0x1028, 1815 .subdevice = 0x0126, 1816 .name = "Dell Optiplex GX260", /* AD1981A */ 1817 .type = AC97_TUNE_HP_ONLY 1818 }, 1819 { 1820 .subvendor = 0x1028, 1821 .subdevice = 0x012c, 1822 .name = "Dell Precision 650", /* AD1981A */ 1823 .type = AC97_TUNE_HP_ONLY 1824 }, 1825 { 1826 .subvendor = 0x1028, 1827 .subdevice = 0x012d, 1828 .name = "Dell Precision 450", /* AD1981B*/ 1829 .type = AC97_TUNE_HP_ONLY 1830 }, 1831 { 1832 .subvendor = 0x1028, 1833 .subdevice = 0x0147, 1834 .name = "Dell", /* which model? AD1981B*/ 1835 .type = AC97_TUNE_HP_ONLY 1836 }, 1837 { 1838 .subvendor = 0x1028, 1839 .subdevice = 0x0151, 1840 .name = "Dell Optiplex GX270", /* AD1981B */ 1841 .type = AC97_TUNE_HP_ONLY 1842 }, 1843 { 1844 .subvendor = 0x1028, 1845 .subdevice = 0x014e, 1846 .name = "Dell D800", /* STAC9750/51 */ 1847 .type = AC97_TUNE_HP_ONLY 1848 }, 1849 { 1850 .subvendor = 0x1028, 1851 .subdevice = 0x0163, 1852 .name = "Dell Unknown", /* STAC9750/51 */ 1853 .type = AC97_TUNE_HP_ONLY 1854 }, 1855 { 1856 .subvendor = 0x1028, 1857 .subdevice = 0x016a, 1858 .name = "Dell Inspiron 8600", /* STAC9750/51 */ 1859 .type = AC97_TUNE_HP_ONLY 1860 }, 1861 { 1862 .subvendor = 0x1028, 1863 .subdevice = 0x0186, 1864 .name = "Dell Latitude D810", /* cf. Malone #41015 */ 1865 .type = AC97_TUNE_HP_MUTE_LED 1866 }, 1867 { 1868 .subvendor = 0x1028, 1869 .subdevice = 0x0188, 1870 .name = "Dell Inspiron 6000", 1871 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */ 1872 }, 1873 { 1874 .subvendor = 0x1028, 1875 .subdevice = 0x0191, 1876 .name = "Dell Inspiron 8600", 1877 .type = AC97_TUNE_HP_ONLY 1878 }, 1879 { 1880 .subvendor = 0x103c, 1881 .subdevice = 0x006d, 1882 .name = "HP zv5000", 1883 .type = AC97_TUNE_MUTE_LED /*AD1981B*/ 1884 }, 1885 { /* FIXME: which codec? */ 1886 .subvendor = 0x103c, 1887 .subdevice = 0x00c3, 1888 .name = "HP xw6000", 1889 .type = AC97_TUNE_HP_ONLY 1890 }, 1891 { 1892 .subvendor = 0x103c, 1893 .subdevice = 0x088c, 1894 .name = "HP nc8000", 1895 .type = AC97_TUNE_HP_MUTE_LED 1896 }, 1897 { 1898 .subvendor = 0x103c, 1899 .subdevice = 0x0890, 1900 .name = "HP nc6000", 1901 .type = AC97_TUNE_MUTE_LED 1902 }, 1903 { 1904 .subvendor = 0x103c, 1905 .subdevice = 0x129d, 1906 .name = "HP xw8000", 1907 .type = AC97_TUNE_HP_ONLY 1908 }, 1909 { 1910 .subvendor = 0x103c, 1911 .subdevice = 0x0938, 1912 .name = "HP nc4200", 1913 .type = AC97_TUNE_HP_MUTE_LED 1914 }, 1915 { 1916 .subvendor = 0x103c, 1917 .subdevice = 0x099c, 1918 .name = "HP nx6110/nc6120", 1919 .type = AC97_TUNE_HP_MUTE_LED 1920 }, 1921 { 1922 .subvendor = 0x103c, 1923 .subdevice = 0x0944, 1924 .name = "HP nc6220", 1925 .type = AC97_TUNE_HP_MUTE_LED 1926 }, 1927 { 1928 .subvendor = 0x103c, 1929 .subdevice = 0x0934, 1930 .name = "HP nc8220", 1931 .type = AC97_TUNE_HP_MUTE_LED 1932 }, 1933 { 1934 .subvendor = 0x103c, 1935 .subdevice = 0x12f1, 1936 .name = "HP xw8200", /* AD1981B*/ 1937 .type = AC97_TUNE_HP_ONLY 1938 }, 1939 { 1940 .subvendor = 0x103c, 1941 .subdevice = 0x12f2, 1942 .name = "HP xw6200", 1943 .type = AC97_TUNE_HP_ONLY 1944 }, 1945 { 1946 .subvendor = 0x103c, 1947 .subdevice = 0x3008, 1948 .name = "HP xw4200", /* AD1981B*/ 1949 .type = AC97_TUNE_HP_ONLY 1950 }, 1951 { 1952 .subvendor = 0x104d, 1953 .subdevice = 0x8197, 1954 .name = "Sony S1XP", 1955 .type = AC97_TUNE_INV_EAPD 1956 }, 1957 { 1958 .subvendor = 0x1043, 1959 .subdevice = 0x80f3, 1960 .name = "ASUS ICH5/AD1985", 1961 .type = AC97_TUNE_AD_SHARING 1962 }, 1963 { 1964 .subvendor = 0x10cf, 1965 .subdevice = 0x11c3, 1966 .name = "Fujitsu-Siemens E4010", 1967 .type = AC97_TUNE_HP_ONLY 1968 }, 1969 { 1970 .subvendor = 0x10cf, 1971 .subdevice = 0x1225, 1972 .name = "Fujitsu-Siemens T3010", 1973 .type = AC97_TUNE_HP_ONLY 1974 }, 1975 { 1976 .subvendor = 0x10cf, 1977 .subdevice = 0x1253, 1978 .name = "Fujitsu S6210", /* STAC9750/51 */ 1979 .type = AC97_TUNE_HP_ONLY 1980 }, 1981 { 1982 .subvendor = 0x10cf, 1983 .subdevice = 0x127d, 1984 .name = "Fujitsu Lifebook P7010", 1985 .type = AC97_TUNE_HP_ONLY 1986 }, 1987 { 1988 .subvendor = 0x10cf, 1989 .subdevice = 0x127e, 1990 .name = "Fujitsu Lifebook C1211D", 1991 .type = AC97_TUNE_HP_ONLY 1992 }, 1993 { 1994 .subvendor = 0x10cf, 1995 .subdevice = 0x12ec, 1996 .name = "Fujitsu-Siemens 4010", 1997 .type = AC97_TUNE_HP_ONLY 1998 }, 1999 { 2000 .subvendor = 0x10cf, 2001 .subdevice = 0x12f2, 2002 .name = "Fujitsu-Siemens Celsius H320", 2003 .type = AC97_TUNE_SWAP_HP 2004 }, 2005 { 2006 .subvendor = 0x10f1, 2007 .subdevice = 0x2665, 2008 .name = "Fujitsu-Siemens Celsius", /* AD1981? */ 2009 .type = AC97_TUNE_HP_ONLY 2010 }, 2011 { 2012 .subvendor = 0x10f1, 2013 .subdevice = 0x2885, 2014 .name = "AMD64 Mobo", /* ALC650 */ 2015 .type = AC97_TUNE_HP_ONLY 2016 }, 2017 { 2018 .subvendor = 0x10f1, 2019 .subdevice = 0x2895, 2020 .name = "Tyan Thunder K8WE", 2021 .type = AC97_TUNE_HP_ONLY 2022 }, 2023 { 2024 .subvendor = 0x10f7, 2025 .subdevice = 0x834c, 2026 .name = "Panasonic CF-R4", 2027 .type = AC97_TUNE_HP_ONLY, 2028 }, 2029 { 2030 .subvendor = 0x110a, 2031 .subdevice = 0x0056, 2032 .name = "Fujitsu-Siemens Scenic", /* AD1981? */ 2033 .type = AC97_TUNE_HP_ONLY 2034 }, 2035 { 2036 .subvendor = 0x11d4, 2037 .subdevice = 0x5375, 2038 .name = "ADI AD1985 (discrete)", 2039 .type = AC97_TUNE_HP_ONLY 2040 }, 2041 { 2042 .subvendor = 0x1462, 2043 .subdevice = 0x5470, 2044 .name = "MSI P4 ATX 645 Ultra", 2045 .type = AC97_TUNE_HP_ONLY 2046 }, 2047 { 2048 .subvendor = 0x1734, 2049 .subdevice = 0x0088, 2050 .name = "Fujitsu-Siemens D1522", /* AD1981 */ 2051 .type = AC97_TUNE_HP_ONLY 2052 }, 2053 { 2054 .subvendor = 0x8086, 2055 .subdevice = 0x2000, 2056 .mask = 0xfff0, 2057 .name = "Intel ICH5/AD1985", 2058 .type = AC97_TUNE_AD_SHARING 2059 }, 2060 { 2061 .subvendor = 0x8086, 2062 .subdevice = 0x4000, 2063 .mask = 0xfff0, 2064 .name = "Intel ICH5/AD1985", 2065 .type = AC97_TUNE_AD_SHARING 2066 }, 2067 { 2068 .subvendor = 0x8086, 2069 .subdevice = 0x4856, 2070 .name = "Intel D845WN (82801BA)", 2071 .type = AC97_TUNE_SWAP_HP 2072 }, 2073 { 2074 .subvendor = 0x8086, 2075 .subdevice = 0x4d44, 2076 .name = "Intel D850EMV2", /* AD1885 */ 2077 .type = AC97_TUNE_HP_ONLY 2078 }, 2079 { 2080 .subvendor = 0x8086, 2081 .subdevice = 0x4d56, 2082 .name = "Intel ICH/AD1885", 2083 .type = AC97_TUNE_HP_ONLY 2084 }, 2085 { 2086 .subvendor = 0x8086, 2087 .subdevice = 0x6000, 2088 .mask = 0xfff0, 2089 .name = "Intel ICH5/AD1985", 2090 .type = AC97_TUNE_AD_SHARING 2091 }, 2092 { 2093 .subvendor = 0x8086, 2094 .subdevice = 0xe000, 2095 .mask = 0xfff0, 2096 .name = "Intel ICH5/AD1985", 2097 .type = AC97_TUNE_AD_SHARING 2098 }, 2099 #if 0 /* FIXME: this seems wrong on most boards */ 2100 { 2101 .subvendor = 0x8086, 2102 .subdevice = 0xa000, 2103 .mask = 0xfff0, 2104 .name = "Intel ICH5/AD1985", 2105 .type = AC97_TUNE_HP_ONLY 2106 }, 2107 #endif 2108 { } /* terminator */ 2109 }; 2110 2111 static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, 2112 const char *quirk_override) 2113 { 2114 struct snd_ac97_bus *pbus; 2115 struct snd_ac97_template ac97; 2116 int err; 2117 unsigned int i, codecs; 2118 unsigned int glob_sta = 0; 2119 struct snd_ac97_bus_ops *ops; 2120 static struct snd_ac97_bus_ops standard_bus_ops = { 2121 .write = snd_intel8x0_codec_write, 2122 .read = snd_intel8x0_codec_read, 2123 }; 2124 static struct snd_ac97_bus_ops ali_bus_ops = { 2125 .write = snd_intel8x0_ali_codec_write, 2126 .read = snd_intel8x0_ali_codec_read, 2127 }; 2128 2129 chip->spdif_idx = -1; /* use PCMOUT (or disabled) */ 2130 if (!spdif_aclink) { 2131 switch (chip->device_type) { 2132 case DEVICE_NFORCE: 2133 chip->spdif_idx = NVD_SPBAR; 2134 break; 2135 case DEVICE_ALI: 2136 chip->spdif_idx = ALID_AC97SPDIFOUT; 2137 break; 2138 case DEVICE_INTEL_ICH4: 2139 chip->spdif_idx = ICHD_SPBAR; 2140 break; 2141 }; 2142 } 2143 2144 chip->in_ac97_init = 1; 2145 2146 memset(&ac97, 0, sizeof(ac97)); 2147 ac97.private_data = chip; 2148 ac97.private_free = snd_intel8x0_mixer_free_ac97; 2149 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 2150 if (chip->xbox) 2151 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR; 2152 if (chip->device_type != DEVICE_ALI) { 2153 glob_sta = igetdword(chip, ICHREG(GLOB_STA)); 2154 ops = &standard_bus_ops; 2155 chip->in_sdin_init = 1; 2156 codecs = 0; 2157 for (i = 0; i < chip->max_codecs; i++) { 2158 if (! (glob_sta & chip->codec_bit[i])) 2159 continue; 2160 if (chip->device_type == DEVICE_INTEL_ICH4) { 2161 snd_intel8x0_codec_read_test(chip, codecs); 2162 chip->ac97_sdin[codecs] = 2163 igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK; 2164 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3)) 2165 chip->ac97_sdin[codecs] = 0; 2166 } else 2167 chip->ac97_sdin[codecs] = i; 2168 codecs++; 2169 } 2170 chip->in_sdin_init = 0; 2171 if (! codecs) 2172 codecs = 1; 2173 } else { 2174 ops = &ali_bus_ops; 2175 codecs = 1; 2176 /* detect the secondary codec */ 2177 for (i = 0; i < 100; i++) { 2178 unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR)); 2179 if (reg & 0x40) { 2180 codecs = 2; 2181 break; 2182 } 2183 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40); 2184 udelay(1); 2185 } 2186 } 2187 if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0) 2188 goto __err; 2189 pbus->private_free = snd_intel8x0_mixer_free_ac97_bus; 2190 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2191 pbus->clock = ac97_clock; 2192 /* FIXME: my test board doesn't work well with VRA... */ 2193 if (chip->device_type == DEVICE_ALI) 2194 pbus->no_vra = 1; 2195 else 2196 pbus->dra = 1; 2197 chip->ac97_bus = pbus; 2198 chip->ncodecs = codecs; 2199 2200 ac97.pci = chip->pci; 2201 for (i = 0; i < codecs; i++) { 2202 ac97.num = i; 2203 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { 2204 if (err != -EACCES) 2205 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i); 2206 if (i == 0) 2207 goto __err; 2208 } 2209 } 2210 /* tune up the primary codec */ 2211 snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override); 2212 /* enable separate SDINs for ICH4 */ 2213 if (chip->device_type == DEVICE_INTEL_ICH4) 2214 pbus->isdin = 1; 2215 /* find the available PCM streams */ 2216 i = ARRAY_SIZE(ac97_pcm_defs); 2217 if (chip->device_type != DEVICE_INTEL_ICH4) 2218 i -= 2; /* do not allocate PCM2IN and MIC2 */ 2219 if (chip->spdif_idx < 0) 2220 i--; /* do not allocate S/PDIF */ 2221 err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs); 2222 if (err < 0) 2223 goto __err; 2224 chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0]; 2225 chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1]; 2226 chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2]; 2227 if (chip->spdif_idx >= 0) 2228 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3]; 2229 if (chip->device_type == DEVICE_INTEL_ICH4) { 2230 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4]; 2231 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5]; 2232 } 2233 /* enable separate SDINs for ICH4 */ 2234 if (chip->device_type == DEVICE_INTEL_ICH4) { 2235 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm; 2236 u8 tmp = igetbyte(chip, ICHREG(SDM)); 2237 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK); 2238 if (pcm) { 2239 tmp |= ICH_SE; /* steer enable for multiple SDINs */ 2240 tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT; 2241 for (i = 1; i < 4; i++) { 2242 if (pcm->r[0].codec[i]) { 2243 tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT; 2244 break; 2245 } 2246 } 2247 } else { 2248 tmp &= ~ICH_SE; /* steer disable */ 2249 } 2250 iputbyte(chip, ICHREG(SDM), tmp); 2251 } 2252 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) { 2253 chip->multi4 = 1; 2254 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) { 2255 chip->multi6 = 1; 2256 if (chip->ac97[0]->flags & AC97_HAS_8CH) 2257 chip->multi8 = 1; 2258 } 2259 } 2260 if (pbus->pcms[0].r[1].rslots[0]) { 2261 chip->dra = 1; 2262 } 2263 if (chip->device_type == DEVICE_INTEL_ICH4) { 2264 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20) 2265 chip->smp20bit = 1; 2266 } 2267 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { 2268 /* 48kHz only */ 2269 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000; 2270 } 2271 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) { 2272 /* use slot 10/11 for SPDIF */ 2273 u32 val; 2274 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK; 2275 val |= ICH_PCM_SPDIF_1011; 2276 iputdword(chip, ICHREG(GLOB_CNT), val); 2277 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 2278 } 2279 chip->in_ac97_init = 0; 2280 return 0; 2281 2282 __err: 2283 /* clear the cold-reset bit for the next chance */ 2284 if (chip->device_type != DEVICE_ALI) 2285 iputdword(chip, ICHREG(GLOB_CNT), 2286 igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD); 2287 return err; 2288 } 2289 2290 2291 /* 2292 * 2293 */ 2294 2295 static void do_ali_reset(struct intel8x0 *chip) 2296 { 2297 iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET); 2298 iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383); 2299 iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383); 2300 iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383); 2301 iputdword(chip, ICHREG(ALI_INTERFACECR), 2302 ICH_ALI_IF_PI|ICH_ALI_IF_PO); 2303 iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000); 2304 iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000); 2305 } 2306 2307 #ifdef CONFIG_SND_AC97_POWER_SAVE 2308 static struct snd_pci_quirk ich_chip_reset_mode[] = { 2309 SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1), 2310 { } /* end */ 2311 }; 2312 2313 static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip) 2314 { 2315 unsigned int cnt; 2316 /* ACLink on, 2 channels */ 2317 2318 if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode)) 2319 return -EIO; 2320 2321 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 2322 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK); 2323 2324 /* do cold reset - the full ac97 powerdown may leave the controller 2325 * in a warm state but actually it cannot communicate with the codec. 2326 */ 2327 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD); 2328 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 2329 udelay(10); 2330 iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD); 2331 msleep(1); 2332 return 0; 2333 } 2334 #define snd_intel8x0_ich_chip_can_cold_reset(chip) \ 2335 (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode)) 2336 #else 2337 #define snd_intel8x0_ich_chip_cold_reset(chip) 0 2338 #define snd_intel8x0_ich_chip_can_cold_reset(chip) (0) 2339 #endif 2340 2341 static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip) 2342 { 2343 unsigned long end_time; 2344 unsigned int cnt; 2345 /* ACLink on, 2 channels */ 2346 cnt = igetdword(chip, ICHREG(GLOB_CNT)); 2347 cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK); 2348 /* finish cold or do warm reset */ 2349 cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; 2350 iputdword(chip, ICHREG(GLOB_CNT), cnt); 2351 end_time = (jiffies + (HZ / 4)) + 1; 2352 do { 2353 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) 2354 return 0; 2355 schedule_timeout_uninterruptible(1); 2356 } while (time_after_eq(end_time, jiffies)); 2357 snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n", 2358 igetdword(chip, ICHREG(GLOB_CNT))); 2359 return -EIO; 2360 } 2361 2362 static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing) 2363 { 2364 unsigned long end_time; 2365 unsigned int status, nstatus; 2366 unsigned int cnt; 2367 int err; 2368 2369 /* put logic to right state */ 2370 /* first clear status bits */ 2371 status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT; 2372 if (chip->device_type == DEVICE_NFORCE) 2373 status |= ICH_NVSPINT; 2374 cnt = igetdword(chip, ICHREG(GLOB_STA)); 2375 iputdword(chip, ICHREG(GLOB_STA), cnt & status); 2376 2377 if (snd_intel8x0_ich_chip_can_cold_reset(chip)) 2378 err = snd_intel8x0_ich_chip_cold_reset(chip); 2379 else 2380 err = snd_intel8x0_ich_chip_reset(chip); 2381 if (err < 0) 2382 return err; 2383 2384 if (probing) { 2385 /* wait for any codec ready status. 2386 * Once it becomes ready it should remain ready 2387 * as long as we do not disable the ac97 link. 2388 */ 2389 end_time = jiffies + HZ; 2390 do { 2391 status = igetdword(chip, ICHREG(GLOB_STA)) & 2392 chip->codec_isr_bits; 2393 if (status) 2394 break; 2395 schedule_timeout_uninterruptible(1); 2396 } while (time_after_eq(end_time, jiffies)); 2397 if (! status) { 2398 /* no codec is found */ 2399 snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", 2400 igetdword(chip, ICHREG(GLOB_STA))); 2401 return -EIO; 2402 } 2403 2404 /* wait for other codecs ready status. */ 2405 end_time = jiffies + HZ / 4; 2406 while (status != chip->codec_isr_bits && 2407 time_after_eq(end_time, jiffies)) { 2408 schedule_timeout_uninterruptible(1); 2409 status |= igetdword(chip, ICHREG(GLOB_STA)) & 2410 chip->codec_isr_bits; 2411 } 2412 2413 } else { 2414 /* resume phase */ 2415 int i; 2416 status = 0; 2417 for (i = 0; i < chip->ncodecs; i++) 2418 if (chip->ac97[i]) 2419 status |= chip->codec_bit[chip->ac97_sdin[i]]; 2420 /* wait until all the probed codecs are ready */ 2421 end_time = jiffies + HZ; 2422 do { 2423 nstatus = igetdword(chip, ICHREG(GLOB_STA)) & 2424 chip->codec_isr_bits; 2425 if (status == nstatus) 2426 break; 2427 schedule_timeout_uninterruptible(1); 2428 } while (time_after_eq(end_time, jiffies)); 2429 } 2430 2431 if (chip->device_type == DEVICE_SIS) { 2432 /* unmute the output on SIS7012 */ 2433 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1); 2434 } 2435 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { 2436 /* enable SPDIF interrupt */ 2437 unsigned int val; 2438 pci_read_config_dword(chip->pci, 0x4c, &val); 2439 val |= 0x1000000; 2440 pci_write_config_dword(chip->pci, 0x4c, val); 2441 } 2442 return 0; 2443 } 2444 2445 static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing) 2446 { 2447 u32 reg; 2448 int i = 0; 2449 2450 reg = igetdword(chip, ICHREG(ALI_SCR)); 2451 if ((reg & 2) == 0) /* Cold required */ 2452 reg |= 2; 2453 else 2454 reg |= 1; /* Warm */ 2455 reg &= ~0x80000000; /* ACLink on */ 2456 iputdword(chip, ICHREG(ALI_SCR), reg); 2457 2458 for (i = 0; i < HZ / 2; i++) { 2459 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO)) 2460 goto __ok; 2461 schedule_timeout_uninterruptible(1); 2462 } 2463 snd_printk(KERN_ERR "AC'97 reset failed.\n"); 2464 if (probing) 2465 return -EIO; 2466 2467 __ok: 2468 for (i = 0; i < HZ / 2; i++) { 2469 reg = igetdword(chip, ICHREG(ALI_RTSR)); 2470 if (reg & 0x80) /* primary codec */ 2471 break; 2472 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80); 2473 schedule_timeout_uninterruptible(1); 2474 } 2475 2476 do_ali_reset(chip); 2477 return 0; 2478 } 2479 2480 static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing) 2481 { 2482 unsigned int i, timeout; 2483 int err; 2484 2485 if (chip->device_type != DEVICE_ALI) { 2486 if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0) 2487 return err; 2488 iagetword(chip, 0); /* clear semaphore flag */ 2489 } else { 2490 if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0) 2491 return err; 2492 } 2493 2494 /* disable interrupts */ 2495 for (i = 0; i < chip->bdbars_count; i++) 2496 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 2497 /* reset channels */ 2498 for (i = 0; i < chip->bdbars_count; i++) 2499 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 2500 for (i = 0; i < chip->bdbars_count; i++) { 2501 timeout = 100000; 2502 while (--timeout != 0) { 2503 if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0) 2504 break; 2505 } 2506 if (timeout == 0) 2507 printk(KERN_ERR "intel8x0: reset of registers failed?\n"); 2508 } 2509 /* initialize Buffer Descriptor Lists */ 2510 for (i = 0; i < chip->bdbars_count; i++) 2511 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, 2512 chip->ichd[i].bdbar_addr); 2513 return 0; 2514 } 2515 2516 static int snd_intel8x0_free(struct intel8x0 *chip) 2517 { 2518 unsigned int i; 2519 2520 if (chip->irq < 0) 2521 goto __hw_end; 2522 /* disable interrupts */ 2523 for (i = 0; i < chip->bdbars_count; i++) 2524 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); 2525 /* reset channels */ 2526 for (i = 0; i < chip->bdbars_count; i++) 2527 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); 2528 if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { 2529 /* stop the spdif interrupt */ 2530 unsigned int val; 2531 pci_read_config_dword(chip->pci, 0x4c, &val); 2532 val &= ~0x1000000; 2533 pci_write_config_dword(chip->pci, 0x4c, val); 2534 } 2535 /* --- */ 2536 2537 __hw_end: 2538 if (chip->irq >= 0) 2539 free_irq(chip->irq, chip); 2540 if (chip->bdbars.area) { 2541 if (chip->fix_nocache) 2542 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0); 2543 snd_dma_free_pages(&chip->bdbars); 2544 } 2545 if (chip->addr) 2546 pci_iounmap(chip->pci, chip->addr); 2547 if (chip->bmaddr) 2548 pci_iounmap(chip->pci, chip->bmaddr); 2549 pci_release_regions(chip->pci); 2550 pci_disable_device(chip->pci); 2551 kfree(chip); 2552 return 0; 2553 } 2554 2555 #ifdef CONFIG_PM 2556 /* 2557 * power management 2558 */ 2559 static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state) 2560 { 2561 struct snd_card *card = pci_get_drvdata(pci); 2562 struct intel8x0 *chip = card->private_data; 2563 int i; 2564 2565 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2566 for (i = 0; i < chip->pcm_devs; i++) 2567 snd_pcm_suspend_all(chip->pcm[i]); 2568 /* clear nocache */ 2569 if (chip->fix_nocache) { 2570 for (i = 0; i < chip->bdbars_count; i++) { 2571 struct ichdev *ichdev = &chip->ichd[i]; 2572 if (ichdev->substream && ichdev->page_attr_changed) { 2573 struct snd_pcm_runtime *runtime = ichdev->substream->runtime; 2574 if (runtime->dma_area) 2575 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); 2576 } 2577 } 2578 } 2579 for (i = 0; i < chip->ncodecs; i++) 2580 snd_ac97_suspend(chip->ac97[i]); 2581 if (chip->device_type == DEVICE_INTEL_ICH4) 2582 chip->sdm_saved = igetbyte(chip, ICHREG(SDM)); 2583 2584 if (chip->irq >= 0) { 2585 free_irq(chip->irq, chip); 2586 chip->irq = -1; 2587 } 2588 pci_disable_device(pci); 2589 pci_save_state(pci); 2590 /* The call below may disable built-in speaker on some laptops 2591 * after S2RAM. So, don't touch it. 2592 */ 2593 /* pci_set_power_state(pci, pci_choose_state(pci, state)); */ 2594 return 0; 2595 } 2596 2597 static int intel8x0_resume(struct pci_dev *pci) 2598 { 2599 struct snd_card *card = pci_get_drvdata(pci); 2600 struct intel8x0 *chip = card->private_data; 2601 int i; 2602 2603 pci_set_power_state(pci, PCI_D0); 2604 pci_restore_state(pci); 2605 if (pci_enable_device(pci) < 0) { 2606 printk(KERN_ERR "intel8x0: pci_enable_device failed, " 2607 "disabling device\n"); 2608 snd_card_disconnect(card); 2609 return -EIO; 2610 } 2611 pci_set_master(pci); 2612 snd_intel8x0_chip_init(chip, 0); 2613 if (request_irq(pci->irq, snd_intel8x0_interrupt, 2614 IRQF_SHARED, card->shortname, chip)) { 2615 printk(KERN_ERR "intel8x0: unable to grab IRQ %d, " 2616 "disabling device\n", pci->irq); 2617 snd_card_disconnect(card); 2618 return -EIO; 2619 } 2620 chip->irq = pci->irq; 2621 synchronize_irq(chip->irq); 2622 2623 /* re-initialize mixer stuff */ 2624 if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) { 2625 /* enable separate SDINs for ICH4 */ 2626 iputbyte(chip, ICHREG(SDM), chip->sdm_saved); 2627 /* use slot 10/11 for SPDIF */ 2628 iputdword(chip, ICHREG(GLOB_CNT), 2629 (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) | 2630 ICH_PCM_SPDIF_1011); 2631 } 2632 2633 /* refill nocache */ 2634 if (chip->fix_nocache) 2635 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1); 2636 2637 for (i = 0; i < chip->ncodecs; i++) 2638 snd_ac97_resume(chip->ac97[i]); 2639 2640 /* refill nocache */ 2641 if (chip->fix_nocache) { 2642 for (i = 0; i < chip->bdbars_count; i++) { 2643 struct ichdev *ichdev = &chip->ichd[i]; 2644 if (ichdev->substream && ichdev->page_attr_changed) { 2645 struct snd_pcm_runtime *runtime = ichdev->substream->runtime; 2646 if (runtime->dma_area) 2647 fill_nocache(runtime->dma_area, runtime->dma_bytes, 1); 2648 } 2649 } 2650 } 2651 2652 /* resume status */ 2653 for (i = 0; i < chip->bdbars_count; i++) { 2654 struct ichdev *ichdev = &chip->ichd[i]; 2655 unsigned long port = ichdev->reg_offset; 2656 if (! ichdev->substream || ! ichdev->suspended) 2657 continue; 2658 if (ichdev->ichd == ICHD_PCMOUT) 2659 snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime); 2660 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); 2661 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); 2662 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ); 2663 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); 2664 } 2665 2666 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2667 return 0; 2668 } 2669 #endif /* CONFIG_PM */ 2670 2671 #define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */ 2672 2673 static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip) 2674 { 2675 struct snd_pcm_substream *subs; 2676 struct ichdev *ichdev; 2677 unsigned long port; 2678 unsigned long pos, pos1, t; 2679 int civ, timeout = 1000, attempt = 1; 2680 struct timespec start_time, stop_time; 2681 2682 if (chip->ac97_bus->clock != 48000) 2683 return; /* specified in module option */ 2684 2685 __again: 2686 subs = chip->pcm[0]->streams[0].substream; 2687 if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) { 2688 snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n"); 2689 return; 2690 } 2691 ichdev = &chip->ichd[ICHD_PCMOUT]; 2692 ichdev->physbuf = subs->dma_buffer.addr; 2693 ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE; 2694 ichdev->substream = NULL; /* don't process interrupts */ 2695 2696 /* set rate */ 2697 if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) { 2698 snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock); 2699 return; 2700 } 2701 snd_intel8x0_setup_periods(chip, ichdev); 2702 port = ichdev->reg_offset; 2703 spin_lock_irq(&chip->reg_lock); 2704 chip->in_measurement = 1; 2705 /* trigger */ 2706 if (chip->device_type != DEVICE_ALI) 2707 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM); 2708 else { 2709 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE); 2710 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot); 2711 } 2712 do_posix_clock_monotonic_gettime(&start_time); 2713 spin_unlock_irq(&chip->reg_lock); 2714 msleep(50); 2715 spin_lock_irq(&chip->reg_lock); 2716 /* check the position */ 2717 do { 2718 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV); 2719 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb); 2720 if (pos1 == 0) { 2721 udelay(10); 2722 continue; 2723 } 2724 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) && 2725 pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb)) 2726 break; 2727 } while (timeout--); 2728 if (pos1 == 0) { /* oops, this value is not reliable */ 2729 pos = 0; 2730 } else { 2731 pos = ichdev->fragsize1; 2732 pos -= pos1 << ichdev->pos_shift; 2733 pos += ichdev->position; 2734 } 2735 chip->in_measurement = 0; 2736 do_posix_clock_monotonic_gettime(&stop_time); 2737 /* stop */ 2738 if (chip->device_type == DEVICE_ALI) { 2739 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16)); 2740 iputbyte(chip, port + ICH_REG_OFF_CR, 0); 2741 while (igetbyte(chip, port + ICH_REG_OFF_CR)) 2742 ; 2743 } else { 2744 iputbyte(chip, port + ICH_REG_OFF_CR, 0); 2745 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) 2746 ; 2747 } 2748 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); 2749 spin_unlock_irq(&chip->reg_lock); 2750 2751 if (pos == 0) { 2752 snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n"); 2753 __retry: 2754 if (attempt < 3) { 2755 msleep(300); 2756 attempt++; 2757 goto __again; 2758 } 2759 goto __end; 2760 } 2761 2762 pos /= 4; 2763 t = stop_time.tv_sec - start_time.tv_sec; 2764 t *= 1000000; 2765 t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000; 2766 printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos); 2767 if (t == 0) { 2768 snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n"); 2769 goto __retry; 2770 } 2771 pos *= 1000; 2772 pos = (pos / t) * 1000 + ((pos % t) * 1000) / t; 2773 if (pos < 40000 || pos >= 60000) { 2774 /* abnormal value. hw problem? */ 2775 printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos); 2776 goto __retry; 2777 } else if (pos > 40500 && pos < 41500) 2778 /* first exception - 41000Hz reference clock */ 2779 chip->ac97_bus->clock = 41000; 2780 else if (pos > 43600 && pos < 44600) 2781 /* second exception - 44100HZ reference clock */ 2782 chip->ac97_bus->clock = 44100; 2783 else if (pos < 47500 || pos > 48500) 2784 /* not 48000Hz, tuning the clock.. */ 2785 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos; 2786 __end: 2787 printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock); 2788 snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0); 2789 } 2790 2791 static struct snd_pci_quirk intel8x0_clock_list[] __devinitdata = { 2792 SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000), 2793 SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100), 2794 SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000), 2795 SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000), 2796 SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000), 2797 { } /* terminator */ 2798 }; 2799 2800 static int __devinit intel8x0_in_clock_list(struct intel8x0 *chip) 2801 { 2802 struct pci_dev *pci = chip->pci; 2803 const struct snd_pci_quirk *wl; 2804 2805 wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list); 2806 if (!wl) 2807 return 0; 2808 printk(KERN_INFO "intel8x0: white list rate for %04x:%04x is %i\n", 2809 pci->subsystem_vendor, pci->subsystem_device, wl->value); 2810 chip->ac97_bus->clock = wl->value; 2811 return 1; 2812 } 2813 2814 #ifdef CONFIG_PROC_FS 2815 static void snd_intel8x0_proc_read(struct snd_info_entry * entry, 2816 struct snd_info_buffer *buffer) 2817 { 2818 struct intel8x0 *chip = entry->private_data; 2819 unsigned int tmp; 2820 2821 snd_iprintf(buffer, "Intel8x0\n\n"); 2822 if (chip->device_type == DEVICE_ALI) 2823 return; 2824 tmp = igetdword(chip, ICHREG(GLOB_STA)); 2825 snd_iprintf(buffer, "Global control : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT))); 2826 snd_iprintf(buffer, "Global status : 0x%08x\n", tmp); 2827 if (chip->device_type == DEVICE_INTEL_ICH4) 2828 snd_iprintf(buffer, "SDM : 0x%08x\n", igetdword(chip, ICHREG(SDM))); 2829 snd_iprintf(buffer, "AC'97 codecs ready :"); 2830 if (tmp & chip->codec_isr_bits) { 2831 int i; 2832 static const char *codecs[3] = { 2833 "primary", "secondary", "tertiary" 2834 }; 2835 for (i = 0; i < chip->max_codecs; i++) 2836 if (tmp & chip->codec_bit[i]) 2837 snd_iprintf(buffer, " %s", codecs[i]); 2838 } else 2839 snd_iprintf(buffer, " none"); 2840 snd_iprintf(buffer, "\n"); 2841 if (chip->device_type == DEVICE_INTEL_ICH4 || 2842 chip->device_type == DEVICE_SIS) 2843 snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n", 2844 chip->ac97_sdin[0], 2845 chip->ac97_sdin[1], 2846 chip->ac97_sdin[2]); 2847 } 2848 2849 static void __devinit snd_intel8x0_proc_init(struct intel8x0 * chip) 2850 { 2851 struct snd_info_entry *entry; 2852 2853 if (! snd_card_proc_new(chip->card, "intel8x0", &entry)) 2854 snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read); 2855 } 2856 #else 2857 #define snd_intel8x0_proc_init(x) 2858 #endif 2859 2860 static int snd_intel8x0_dev_free(struct snd_device *device) 2861 { 2862 struct intel8x0 *chip = device->device_data; 2863 return snd_intel8x0_free(chip); 2864 } 2865 2866 struct ich_reg_info { 2867 unsigned int int_sta_mask; 2868 unsigned int offset; 2869 }; 2870 2871 static unsigned int ich_codec_bits[3] = { 2872 ICH_PCR, ICH_SCR, ICH_TCR 2873 }; 2874 static unsigned int sis_codec_bits[3] = { 2875 ICH_PCR, ICH_SCR, ICH_SIS_TCR 2876 }; 2877 2878 static int __devinit snd_intel8x0_create(struct snd_card *card, 2879 struct pci_dev *pci, 2880 unsigned long device_type, 2881 struct intel8x0 ** r_intel8x0) 2882 { 2883 struct intel8x0 *chip; 2884 int err; 2885 unsigned int i; 2886 unsigned int int_sta_masks; 2887 struct ichdev *ichdev; 2888 static struct snd_device_ops ops = { 2889 .dev_free = snd_intel8x0_dev_free, 2890 }; 2891 2892 static unsigned int bdbars[] = { 2893 3, /* DEVICE_INTEL */ 2894 6, /* DEVICE_INTEL_ICH4 */ 2895 3, /* DEVICE_SIS */ 2896 6, /* DEVICE_ALI */ 2897 4, /* DEVICE_NFORCE */ 2898 }; 2899 static struct ich_reg_info intel_regs[6] = { 2900 { ICH_PIINT, 0 }, 2901 { ICH_POINT, 0x10 }, 2902 { ICH_MCINT, 0x20 }, 2903 { ICH_M2INT, 0x40 }, 2904 { ICH_P2INT, 0x50 }, 2905 { ICH_SPINT, 0x60 }, 2906 }; 2907 static struct ich_reg_info nforce_regs[4] = { 2908 { ICH_PIINT, 0 }, 2909 { ICH_POINT, 0x10 }, 2910 { ICH_MCINT, 0x20 }, 2911 { ICH_NVSPINT, 0x70 }, 2912 }; 2913 static struct ich_reg_info ali_regs[6] = { 2914 { ALI_INT_PCMIN, 0x40 }, 2915 { ALI_INT_PCMOUT, 0x50 }, 2916 { ALI_INT_MICIN, 0x60 }, 2917 { ALI_INT_CODECSPDIFOUT, 0x70 }, 2918 { ALI_INT_SPDIFIN, 0xa0 }, 2919 { ALI_INT_SPDIFOUT, 0xb0 }, 2920 }; 2921 struct ich_reg_info *tbl; 2922 2923 *r_intel8x0 = NULL; 2924 2925 if ((err = pci_enable_device(pci)) < 0) 2926 return err; 2927 2928 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 2929 if (chip == NULL) { 2930 pci_disable_device(pci); 2931 return -ENOMEM; 2932 } 2933 spin_lock_init(&chip->reg_lock); 2934 chip->device_type = device_type; 2935 chip->card = card; 2936 chip->pci = pci; 2937 chip->irq = -1; 2938 2939 /* module parameters */ 2940 chip->buggy_irq = buggy_irq; 2941 chip->buggy_semaphore = buggy_semaphore; 2942 if (xbox) 2943 chip->xbox = 1; 2944 2945 if (pci->vendor == PCI_VENDOR_ID_INTEL && 2946 pci->device == PCI_DEVICE_ID_INTEL_440MX) 2947 chip->fix_nocache = 1; /* enable workaround */ 2948 2949 if ((err = pci_request_regions(pci, card->shortname)) < 0) { 2950 kfree(chip); 2951 pci_disable_device(pci); 2952 return err; 2953 } 2954 2955 if (device_type == DEVICE_ALI) { 2956 /* ALI5455 has no ac97 region */ 2957 chip->bmaddr = pci_iomap(pci, 0, 0); 2958 goto port_inited; 2959 } 2960 2961 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */ 2962 chip->addr = pci_iomap(pci, 2, 0); 2963 else 2964 chip->addr = pci_iomap(pci, 0, 0); 2965 if (!chip->addr) { 2966 snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); 2967 snd_intel8x0_free(chip); 2968 return -EIO; 2969 } 2970 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */ 2971 chip->bmaddr = pci_iomap(pci, 3, 0); 2972 else 2973 chip->bmaddr = pci_iomap(pci, 1, 0); 2974 if (!chip->bmaddr) { 2975 snd_printk(KERN_ERR "Controller space ioremap problem\n"); 2976 snd_intel8x0_free(chip); 2977 return -EIO; 2978 } 2979 2980 port_inited: 2981 chip->bdbars_count = bdbars[device_type]; 2982 2983 /* initialize offsets */ 2984 switch (device_type) { 2985 case DEVICE_NFORCE: 2986 tbl = nforce_regs; 2987 break; 2988 case DEVICE_ALI: 2989 tbl = ali_regs; 2990 break; 2991 default: 2992 tbl = intel_regs; 2993 break; 2994 } 2995 for (i = 0; i < chip->bdbars_count; i++) { 2996 ichdev = &chip->ichd[i]; 2997 ichdev->ichd = i; 2998 ichdev->reg_offset = tbl[i].offset; 2999 ichdev->int_sta_mask = tbl[i].int_sta_mask; 3000 if (device_type == DEVICE_SIS) { 3001 /* SiS 7012 swaps the registers */ 3002 ichdev->roff_sr = ICH_REG_OFF_PICB; 3003 ichdev->roff_picb = ICH_REG_OFF_SR; 3004 } else { 3005 ichdev->roff_sr = ICH_REG_OFF_SR; 3006 ichdev->roff_picb = ICH_REG_OFF_PICB; 3007 } 3008 if (device_type == DEVICE_ALI) 3009 ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10; 3010 /* SIS7012 handles the pcm data in bytes, others are in samples */ 3011 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1; 3012 } 3013 3014 /* allocate buffer descriptor lists */ 3015 /* the start of each lists must be aligned to 8 bytes */ 3016 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 3017 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, 3018 &chip->bdbars) < 0) { 3019 snd_intel8x0_free(chip); 3020 snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n"); 3021 return -ENOMEM; 3022 } 3023 /* tables must be aligned to 8 bytes here, but the kernel pages 3024 are much bigger, so we don't care (on i386) */ 3025 /* workaround for 440MX */ 3026 if (chip->fix_nocache) 3027 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1); 3028 int_sta_masks = 0; 3029 for (i = 0; i < chip->bdbars_count; i++) { 3030 ichdev = &chip->ichd[i]; 3031 ichdev->bdbar = ((u32 *)chip->bdbars.area) + 3032 (i * ICH_MAX_FRAGS * 2); 3033 ichdev->bdbar_addr = chip->bdbars.addr + 3034 (i * sizeof(u32) * ICH_MAX_FRAGS * 2); 3035 int_sta_masks |= ichdev->int_sta_mask; 3036 } 3037 chip->int_sta_reg = device_type == DEVICE_ALI ? 3038 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA; 3039 chip->int_sta_mask = int_sta_masks; 3040 3041 pci_set_master(pci); 3042 3043 switch(chip->device_type) { 3044 case DEVICE_INTEL_ICH4: 3045 /* ICH4 can have three codecs */ 3046 chip->max_codecs = 3; 3047 chip->codec_bit = ich_codec_bits; 3048 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI; 3049 break; 3050 case DEVICE_SIS: 3051 /* recent SIS7012 can have three codecs */ 3052 chip->max_codecs = 3; 3053 chip->codec_bit = sis_codec_bits; 3054 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI; 3055 break; 3056 default: 3057 /* others up to two codecs */ 3058 chip->max_codecs = 2; 3059 chip->codec_bit = ich_codec_bits; 3060 chip->codec_ready_bits = ICH_PRI | ICH_SRI; 3061 break; 3062 } 3063 for (i = 0; i < chip->max_codecs; i++) 3064 chip->codec_isr_bits |= chip->codec_bit[i]; 3065 3066 if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) { 3067 snd_intel8x0_free(chip); 3068 return err; 3069 } 3070 3071 /* request irq after initializaing int_sta_mask, etc */ 3072 if (request_irq(pci->irq, snd_intel8x0_interrupt, 3073 IRQF_SHARED, card->shortname, chip)) { 3074 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 3075 snd_intel8x0_free(chip); 3076 return -EBUSY; 3077 } 3078 chip->irq = pci->irq; 3079 3080 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 3081 snd_intel8x0_free(chip); 3082 return err; 3083 } 3084 3085 snd_card_set_dev(card, &pci->dev); 3086 3087 *r_intel8x0 = chip; 3088 return 0; 3089 } 3090 3091 static struct shortname_table { 3092 unsigned int id; 3093 const char *s; 3094 } shortnames[] __devinitdata = { 3095 { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" }, 3096 { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" }, 3097 { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" }, 3098 { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" }, 3099 { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" }, 3100 { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" }, 3101 { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" }, 3102 { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" }, 3103 { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" }, 3104 { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" }, 3105 { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" }, 3106 { PCI_DEVICE_ID_SI_7012, "SiS SI7012" }, 3107 { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" }, 3108 { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" }, 3109 { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" }, 3110 { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" }, 3111 { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" }, 3112 { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" }, 3113 { 0x003a, "NVidia MCP04" }, 3114 { 0x746d, "AMD AMD8111" }, 3115 { 0x7445, "AMD AMD768" }, 3116 { 0x5455, "ALi M5455" }, 3117 { 0, NULL }, 3118 }; 3119 3120 static struct snd_pci_quirk spdif_aclink_defaults[] __devinitdata = { 3121 SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1), 3122 { } /* end */ 3123 }; 3124 3125 /* look up white/black list for SPDIF over ac-link */ 3126 static int __devinit check_default_spdif_aclink(struct pci_dev *pci) 3127 { 3128 const struct snd_pci_quirk *w; 3129 3130 w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults); 3131 if (w) { 3132 if (w->value) 3133 snd_printdd(KERN_INFO "intel8x0: Using SPDIF over " 3134 "AC-Link for %s\n", w->name); 3135 else 3136 snd_printdd(KERN_INFO "intel8x0: Using integrated " 3137 "SPDIF DMA for %s\n", w->name); 3138 return w->value; 3139 } 3140 return 0; 3141 } 3142 3143 static int __devinit snd_intel8x0_probe(struct pci_dev *pci, 3144 const struct pci_device_id *pci_id) 3145 { 3146 struct snd_card *card; 3147 struct intel8x0 *chip; 3148 int err; 3149 struct shortname_table *name; 3150 3151 err = snd_card_create(index, id, THIS_MODULE, 0, &card); 3152 if (err < 0) 3153 return err; 3154 3155 if (spdif_aclink < 0) 3156 spdif_aclink = check_default_spdif_aclink(pci); 3157 3158 strcpy(card->driver, "ICH"); 3159 if (!spdif_aclink) { 3160 switch (pci_id->driver_data) { 3161 case DEVICE_NFORCE: 3162 strcpy(card->driver, "NFORCE"); 3163 break; 3164 case DEVICE_INTEL_ICH4: 3165 strcpy(card->driver, "ICH4"); 3166 } 3167 } 3168 3169 strcpy(card->shortname, "Intel ICH"); 3170 for (name = shortnames; name->id; name++) { 3171 if (pci->device == name->id) { 3172 strcpy(card->shortname, name->s); 3173 break; 3174 } 3175 } 3176 3177 if (buggy_irq < 0) { 3178 /* some Nforce[2] and ICH boards have problems with IRQ handling. 3179 * Needs to return IRQ_HANDLED for unknown irqs. 3180 */ 3181 if (pci_id->driver_data == DEVICE_NFORCE) 3182 buggy_irq = 1; 3183 else 3184 buggy_irq = 0; 3185 } 3186 3187 if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data, 3188 &chip)) < 0) { 3189 snd_card_free(card); 3190 return err; 3191 } 3192 card->private_data = chip; 3193 3194 if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) { 3195 snd_card_free(card); 3196 return err; 3197 } 3198 if ((err = snd_intel8x0_pcm(chip)) < 0) { 3199 snd_card_free(card); 3200 return err; 3201 } 3202 3203 snd_intel8x0_proc_init(chip); 3204 3205 snprintf(card->longname, sizeof(card->longname), 3206 "%s with %s at irq %i", card->shortname, 3207 snd_ac97_get_short_name(chip->ac97[0]), chip->irq); 3208 3209 if (ac97_clock == 0 || ac97_clock == 1) { 3210 if (ac97_clock == 0) { 3211 if (intel8x0_in_clock_list(chip) == 0) 3212 intel8x0_measure_ac97_clock(chip); 3213 } else { 3214 intel8x0_measure_ac97_clock(chip); 3215 } 3216 } 3217 3218 if ((err = snd_card_register(card)) < 0) { 3219 snd_card_free(card); 3220 return err; 3221 } 3222 pci_set_drvdata(pci, card); 3223 return 0; 3224 } 3225 3226 static void __devexit snd_intel8x0_remove(struct pci_dev *pci) 3227 { 3228 snd_card_free(pci_get_drvdata(pci)); 3229 pci_set_drvdata(pci, NULL); 3230 } 3231 3232 static struct pci_driver driver = { 3233 .name = "Intel ICH", 3234 .id_table = snd_intel8x0_ids, 3235 .probe = snd_intel8x0_probe, 3236 .remove = __devexit_p(snd_intel8x0_remove), 3237 #ifdef CONFIG_PM 3238 .suspend = intel8x0_suspend, 3239 .resume = intel8x0_resume, 3240 #endif 3241 }; 3242 3243 3244 static int __init alsa_card_intel8x0_init(void) 3245 { 3246 return pci_register_driver(&driver); 3247 } 3248 3249 static void __exit alsa_card_intel8x0_exit(void) 3250 { 3251 pci_unregister_driver(&driver); 3252 } 3253 3254 module_init(alsa_card_intel8x0_init) 3255 module_exit(alsa_card_intel8x0_exit) 3256