1 /* 2 * ALSA driver for VIA VT82xx (South Bridge) 3 * 4 * VT82C686A/B/C, VT8233A/C, VT8235 5 * 6 * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz> 7 * Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> 8 * 2002 Takashi Iwai <tiwai@suse.de> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26 /* 27 * Changes: 28 * 29 * Dec. 19, 2002 Takashi Iwai <tiwai@suse.de> 30 * - use the DSX channels for the first pcm playback. 31 * (on VIA8233, 8233C and 8235 only) 32 * this will allow you play simultaneously up to 4 streams. 33 * multi-channel playback is assigned to the second device 34 * on these chips. 35 * - support the secondary capture (on VIA8233/C,8235) 36 * - SPDIF support 37 * the DSX3 channel can be used for SPDIF output. 38 * on VIA8233A, this channel is assigned to the second pcm 39 * playback. 40 * the card config of alsa-lib will assign the correct 41 * device for applications. 42 * - clean up the code, separate low-level initialization 43 * routines for each chipset. 44 */ 45 46 #include <sound/driver.h> 47 #include <asm/io.h> 48 #include <linux/delay.h> 49 #include <linux/interrupt.h> 50 #include <linux/init.h> 51 #include <linux/pci.h> 52 #include <linux/slab.h> 53 #include <linux/gameport.h> 54 #include <linux/moduleparam.h> 55 #include <sound/core.h> 56 #include <sound/pcm.h> 57 #include <sound/pcm_params.h> 58 #include <sound/info.h> 59 #include <sound/ac97_codec.h> 60 #include <sound/mpu401.h> 61 #include <sound/initval.h> 62 63 #if 0 64 #define POINTER_DEBUG 65 #endif 66 67 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 68 MODULE_DESCRIPTION("VIA VT82xx audio"); 69 MODULE_LICENSE("GPL"); 70 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 71 72 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) 73 #define SUPPORT_JOYSTICK 1 74 #endif 75 76 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 77 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 78 static long mpu_port; 79 #ifdef SUPPORT_JOYSTICK 80 static int joystick; 81 #endif 82 static int ac97_clock = 48000; 83 static char *ac97_quirk; 84 static int dxs_support; 85 86 module_param(index, int, 0444); 87 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 88 module_param(id, charp, 0444); 89 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 90 module_param(mpu_port, long, 0444); 91 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 92 #ifdef SUPPORT_JOYSTICK 93 module_param(joystick, bool, 0444); 94 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 95 #endif 96 module_param(ac97_clock, int, 0444); 97 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 98 module_param(ac97_quirk, charp, 0444); 99 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 100 module_param(dxs_support, int, 0444); 101 MODULE_PARM_DESC(dxs_support, "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3 = 48k only, 4 = no VRA, 5 = enable any sample rate)"); 102 103 /* just for backward compatibility */ 104 static int enable; 105 module_param(enable, int, 0444); 106 107 108 /* revision numbers for via686 */ 109 #define VIA_REV_686_A 0x10 110 #define VIA_REV_686_B 0x11 111 #define VIA_REV_686_C 0x12 112 #define VIA_REV_686_D 0x13 113 #define VIA_REV_686_E 0x14 114 #define VIA_REV_686_H 0x20 115 116 /* revision numbers for via8233 */ 117 #define VIA_REV_PRE_8233 0x10 /* not in market */ 118 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 119 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 120 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 121 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 122 #define VIA_REV_8237 0x60 123 124 /* 125 * Direct registers 126 */ 127 128 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 129 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 130 131 /* common offsets */ 132 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 133 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 134 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 135 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 136 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 137 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 138 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 139 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 140 #define VIA_REG_CTRL_START 0x80 /* WO */ 141 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 142 #define VIA_REG_CTRL_AUTOSTART 0x20 143 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 144 #define VIA_REG_CTRL_INT_STOP 0x04 145 #define VIA_REG_CTRL_INT_EOL 0x02 146 #define VIA_REG_CTRL_INT_FLAG 0x01 147 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 148 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 149 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 150 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 151 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 152 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 153 #define VIA_REG_TYPE_INT_LLINE 0x00 154 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 155 #define VIA_REG_TYPE_INT_LESSONE 0x08 156 #define VIA_REG_TYPE_INT_MASK 0x0c 157 #define VIA_REG_TYPE_INT_EOL 0x02 158 #define VIA_REG_TYPE_INT_FLAG 0x01 159 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 160 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 161 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 162 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 163 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 164 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 165 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 166 167 #define DEFINE_VIA_REGSET(name,val) \ 168 enum {\ 169 VIA_REG_##name##_STATUS = (val),\ 170 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 171 VIA_REG_##name##_TYPE = (val) + 0x02,\ 172 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 173 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 174 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 175 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 176 } 177 178 /* playback block */ 179 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 180 DEFINE_VIA_REGSET(CAPTURE, 0x10); 181 DEFINE_VIA_REGSET(FM, 0x20); 182 183 /* AC'97 */ 184 #define VIA_REG_AC97 0x80 /* dword */ 185 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 186 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 187 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 188 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 189 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 190 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 191 #define VIA_REG_AC97_BUSY (1<<24) 192 #define VIA_REG_AC97_READ (1<<23) 193 #define VIA_REG_AC97_CMD_SHIFT 16 194 #define VIA_REG_AC97_CMD_MASK 0x7e 195 #define VIA_REG_AC97_DATA_SHIFT 0 196 #define VIA_REG_AC97_DATA_MASK 0xffff 197 198 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 199 /* via686 */ 200 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 201 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 202 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 203 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 204 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 205 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 206 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 207 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 208 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 209 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 210 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 211 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 212 /* via8233 */ 213 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 214 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 215 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 216 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 217 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 218 #define VIA8233_REG_SGD_CHAN_SDX 0 219 #define VIA8233_REG_SGD_CHAN_MULTI 4 220 #define VIA8233_REG_SGD_CHAN_REC 6 221 #define VIA8233_REG_SGD_CHAN_REC1 7 222 223 #define VIA_REG_GPI_STATUS 0x88 224 #define VIA_REG_GPI_INTR 0x8c 225 226 /* multi-channel and capture registers for via8233 */ 227 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 228 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 229 230 /* via8233-specific registers */ 231 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 232 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 233 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 234 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 235 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 236 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 237 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 238 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 239 240 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 241 242 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 243 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 244 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 245 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 246 247 #define VIA_TBL_BIT_FLAG 0x40000000 248 #define VIA_TBL_BIT_EOL 0x80000000 249 250 /* pci space */ 251 #define VIA_ACLINK_STAT 0x40 252 #define VIA_ACLINK_C11_READY 0x20 253 #define VIA_ACLINK_C10_READY 0x10 254 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 255 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 256 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 257 #define VIA_ACLINK_CTRL 0x41 258 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 259 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 260 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 261 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 262 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 263 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 264 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 265 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 266 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 267 VIA_ACLINK_CTRL_RESET|\ 268 VIA_ACLINK_CTRL_PCM|\ 269 VIA_ACLINK_CTRL_VRA) 270 #define VIA_FUNC_ENABLE 0x42 271 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 272 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 273 #define VIA_FUNC_RX2C_WRITE 0x20 274 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 275 #define VIA_FUNC_ENABLE_GAME 0x08 276 #define VIA_FUNC_ENABLE_FM 0x04 277 #define VIA_FUNC_ENABLE_MIDI 0x02 278 #define VIA_FUNC_ENABLE_SB 0x01 279 #define VIA_PNP_CONTROL 0x43 280 #define VIA_FM_NMI_CTRL 0x48 281 #define VIA8233_VOLCHG_CTRL 0x48 282 #define VIA8233_SPDIF_CTRL 0x49 283 #define VIA8233_SPDIF_DX3 0x08 284 #define VIA8233_SPDIF_SLOT_MASK 0x03 285 #define VIA8233_SPDIF_SLOT_1011 0x00 286 #define VIA8233_SPDIF_SLOT_34 0x01 287 #define VIA8233_SPDIF_SLOT_78 0x02 288 #define VIA8233_SPDIF_SLOT_69 0x03 289 290 /* 291 */ 292 293 #define VIA_DXS_AUTO 0 294 #define VIA_DXS_ENABLE 1 295 #define VIA_DXS_DISABLE 2 296 #define VIA_DXS_48K 3 297 #define VIA_DXS_NO_VRA 4 298 #define VIA_DXS_SRC 5 299 300 301 /* 302 */ 303 304 typedef struct _snd_via82xx via82xx_t; 305 typedef struct via_dev viadev_t; 306 307 /* 308 * pcm stream 309 */ 310 311 struct snd_via_sg_table { 312 unsigned int offset; 313 unsigned int size; 314 } ; 315 316 #define VIA_TABLE_SIZE 255 317 318 struct via_dev { 319 unsigned int reg_offset; 320 unsigned long port; 321 int direction; /* playback = 0, capture = 1 */ 322 snd_pcm_substream_t *substream; 323 int running; 324 unsigned int tbl_entries; /* # descriptors */ 325 struct snd_dma_buffer table; 326 struct snd_via_sg_table *idx_table; 327 /* for recovery from the unexpected pointer */ 328 unsigned int lastpos; 329 unsigned int fragsize; 330 unsigned int bufsize; 331 unsigned int bufsize2; 332 }; 333 334 335 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 336 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 337 338 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 339 340 struct via_rate_lock { 341 spinlock_t lock; 342 int rate; 343 int used; 344 }; 345 346 struct _snd_via82xx { 347 int irq; 348 349 unsigned long port; 350 struct resource *mpu_res; 351 int chip_type; 352 unsigned char revision; 353 354 unsigned char old_legacy; 355 unsigned char old_legacy_cfg; 356 #ifdef CONFIG_PM 357 unsigned char legacy_saved; 358 unsigned char legacy_cfg_saved; 359 unsigned char spdif_ctrl_saved; 360 unsigned char capture_src_saved[2]; 361 unsigned int mpu_port_saved; 362 #endif 363 364 unsigned char playback_volume[2]; /* for VIA8233/C/8235; default = 0 */ 365 366 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 367 368 struct pci_dev *pci; 369 snd_card_t *card; 370 371 unsigned int num_devs; 372 unsigned int playback_devno, multi_devno, capture_devno; 373 viadev_t devs[VIA_MAX_DEVS]; 374 struct via_rate_lock rates[2]; /* playback and capture */ 375 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 376 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 377 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 378 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 379 380 snd_pcm_t *pcms[2]; 381 snd_rawmidi_t *rmidi; 382 383 ac97_bus_t *ac97_bus; 384 ac97_t *ac97; 385 unsigned int ac97_clock; 386 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 387 388 spinlock_t reg_lock; 389 snd_info_entry_t *proc_entry; 390 391 #ifdef SUPPORT_JOYSTICK 392 struct gameport *gameport; 393 #endif 394 }; 395 396 static struct pci_device_id snd_via82xx_ids[] = { 397 { 0x1106, 0x3058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 398 { 0x1106, 0x3059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 399 { 0, } 400 }; 401 402 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 403 404 /* 405 */ 406 407 /* 408 * allocate and initialize the descriptor buffers 409 * periods = number of periods 410 * fragsize = period size in bytes 411 */ 412 static int build_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 413 struct pci_dev *pci, 414 unsigned int periods, unsigned int fragsize) 415 { 416 unsigned int i, idx, ofs, rest; 417 via82xx_t *chip = snd_pcm_substream_chip(substream); 418 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 419 420 if (dev->table.area == NULL) { 421 /* the start of each lists must be aligned to 8 bytes, 422 * but the kernel pages are much bigger, so we don't care 423 */ 424 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 425 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 426 &dev->table) < 0) 427 return -ENOMEM; 428 } 429 if (! dev->idx_table) { 430 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 431 if (! dev->idx_table) 432 return -ENOMEM; 433 } 434 435 /* fill the entries */ 436 idx = 0; 437 ofs = 0; 438 for (i = 0; i < periods; i++) { 439 rest = fragsize; 440 /* fill descriptors for a period. 441 * a period can be split to several descriptors if it's 442 * over page boundary. 443 */ 444 do { 445 unsigned int r; 446 unsigned int flag; 447 448 if (idx >= VIA_TABLE_SIZE) { 449 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 450 return -EINVAL; 451 } 452 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 453 r = PAGE_SIZE - (ofs % PAGE_SIZE); 454 if (rest < r) 455 r = rest; 456 rest -= r; 457 if (! rest) { 458 if (i == periods - 1) 459 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 460 else 461 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 462 } else 463 flag = 0; /* period continues to the next */ 464 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 465 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 466 dev->idx_table[idx].offset = ofs; 467 dev->idx_table[idx].size = r; 468 ofs += r; 469 idx++; 470 } while (rest > 0); 471 } 472 dev->tbl_entries = idx; 473 dev->bufsize = periods * fragsize; 474 dev->bufsize2 = dev->bufsize / 2; 475 dev->fragsize = fragsize; 476 return 0; 477 } 478 479 480 static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 481 struct pci_dev *pci) 482 { 483 if (dev->table.area) { 484 snd_dma_free_pages(&dev->table); 485 dev->table.area = NULL; 486 } 487 kfree(dev->idx_table); 488 dev->idx_table = NULL; 489 return 0; 490 } 491 492 /* 493 * Basic I/O 494 */ 495 496 static inline unsigned int snd_via82xx_codec_xread(via82xx_t *chip) 497 { 498 return inl(VIAREG(chip, AC97)); 499 } 500 501 static inline void snd_via82xx_codec_xwrite(via82xx_t *chip, unsigned int val) 502 { 503 outl(val, VIAREG(chip, AC97)); 504 } 505 506 static int snd_via82xx_codec_ready(via82xx_t *chip, int secondary) 507 { 508 unsigned int timeout = 1000; /* 1ms */ 509 unsigned int val; 510 511 while (timeout-- > 0) { 512 udelay(1); 513 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 514 return val & 0xffff; 515 } 516 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_via82xx_codec_xread(chip)); 517 return -EIO; 518 } 519 520 static int snd_via82xx_codec_valid(via82xx_t *chip, int secondary) 521 { 522 unsigned int timeout = 1000; /* 1ms */ 523 unsigned int val, val1; 524 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 525 VIA_REG_AC97_SECONDARY_VALID; 526 527 while (timeout-- > 0) { 528 val = snd_via82xx_codec_xread(chip); 529 val1 = val & (VIA_REG_AC97_BUSY | stat); 530 if (val1 == stat) 531 return val & 0xffff; 532 udelay(1); 533 } 534 return -EIO; 535 } 536 537 static void snd_via82xx_codec_wait(ac97_t *ac97) 538 { 539 via82xx_t *chip = ac97->private_data; 540 int err; 541 err = snd_via82xx_codec_ready(chip, ac97->num); 542 /* here we need to wait fairly for long time.. */ 543 msleep(500); 544 } 545 546 static void snd_via82xx_codec_write(ac97_t *ac97, 547 unsigned short reg, 548 unsigned short val) 549 { 550 via82xx_t *chip = ac97->private_data; 551 unsigned int xval; 552 553 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 554 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 555 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 556 xval |= val << VIA_REG_AC97_DATA_SHIFT; 557 snd_via82xx_codec_xwrite(chip, xval); 558 snd_via82xx_codec_ready(chip, ac97->num); 559 } 560 561 static unsigned short snd_via82xx_codec_read(ac97_t *ac97, unsigned short reg) 562 { 563 via82xx_t *chip = ac97->private_data; 564 unsigned int xval, val = 0xffff; 565 int again = 0; 566 567 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 568 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 569 xval |= VIA_REG_AC97_READ; 570 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 571 while (1) { 572 if (again++ > 3) { 573 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", ac97->num, snd_via82xx_codec_xread(chip)); 574 return 0xffff; 575 } 576 snd_via82xx_codec_xwrite(chip, xval); 577 udelay (20); 578 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 579 udelay(25); 580 val = snd_via82xx_codec_xread(chip); 581 break; 582 } 583 } 584 return val & 0xffff; 585 } 586 587 static void snd_via82xx_channel_reset(via82xx_t *chip, viadev_t *viadev) 588 { 589 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 590 VIADEV_REG(viadev, OFFSET_CONTROL)); 591 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 592 udelay(50); 593 /* disable interrupts */ 594 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 595 /* clear interrupts */ 596 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 597 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 598 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 599 viadev->lastpos = 0; 600 } 601 602 603 /* 604 * Interrupt handler 605 */ 606 607 static irqreturn_t snd_via82xx_interrupt(int irq, void *dev_id, struct pt_regs *regs) 608 { 609 via82xx_t *chip = dev_id; 610 unsigned int status; 611 unsigned int i; 612 613 status = inl(VIAREG(chip, SGD_SHADOW)); 614 if (! (status & chip->intr_mask)) { 615 if (chip->rmidi) 616 /* check mpu401 interrupt */ 617 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); 618 return IRQ_NONE; 619 } 620 621 /* check status for each stream */ 622 spin_lock(&chip->reg_lock); 623 for (i = 0; i < chip->num_devs; i++) { 624 viadev_t *viadev = &chip->devs[i]; 625 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 626 c_status &= (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED); 627 if (! c_status) 628 continue; 629 if (viadev->substream && viadev->running) { 630 spin_unlock(&chip->reg_lock); 631 snd_pcm_period_elapsed(viadev->substream); 632 spin_lock(&chip->reg_lock); 633 } 634 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 635 } 636 spin_unlock(&chip->reg_lock); 637 return IRQ_HANDLED; 638 } 639 640 /* 641 * PCM callbacks 642 */ 643 644 /* 645 * trigger callback 646 */ 647 static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd) 648 { 649 via82xx_t *chip = snd_pcm_substream_chip(substream); 650 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 651 unsigned char val; 652 653 if (chip->chip_type != TYPE_VIA686) 654 val = VIA_REG_CTRL_INT; 655 else 656 val = 0; 657 switch (cmd) { 658 case SNDRV_PCM_TRIGGER_START: 659 case SNDRV_PCM_TRIGGER_RESUME: 660 val |= VIA_REG_CTRL_START; 661 viadev->running = 1; 662 break; 663 case SNDRV_PCM_TRIGGER_STOP: 664 case SNDRV_PCM_TRIGGER_SUSPEND: 665 val = VIA_REG_CTRL_TERMINATE; 666 viadev->running = 0; 667 break; 668 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 669 val |= VIA_REG_CTRL_PAUSE; 670 viadev->running = 0; 671 break; 672 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 673 viadev->running = 1; 674 break; 675 default: 676 return -EINVAL; 677 } 678 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 679 if (cmd == SNDRV_PCM_TRIGGER_STOP) 680 snd_via82xx_channel_reset(chip, viadev); 681 return 0; 682 } 683 684 685 /* 686 * pointer callbacks 687 */ 688 689 /* 690 * calculate the linear position at the given sg-buffer index and the rest count 691 */ 692 693 #define check_invalid_pos(viadev,pos) \ 694 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2)) 695 696 static inline unsigned int calc_linear_pos(viadev_t *viadev, unsigned int idx, unsigned int count) 697 { 698 unsigned int size, base, res; 699 700 size = viadev->idx_table[idx].size; 701 base = viadev->idx_table[idx].offset; 702 res = base + size - count; 703 704 /* check the validity of the calculated position */ 705 if (size < count) { 706 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", (int)size, (int)count); 707 res = viadev->lastpos; 708 } else { 709 if (! count) { 710 /* Some mobos report count = 0 on the DMA boundary, 711 * i.e. count = size indeed. 712 * Let's check whether this step is above the expected size. 713 */ 714 int delta = res - viadev->lastpos; 715 if (delta < 0) 716 delta += viadev->bufsize; 717 if ((unsigned int)delta > viadev->fragsize) 718 res = base; 719 } 720 if (check_invalid_pos(viadev, res)) { 721 #ifdef POINTER_DEBUG 722 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", idx, viadev->tbl_entries, viadev->lastpos, viadev->bufsize2, viadev->idx_table[idx].offset, viadev->idx_table[idx].size, count); 723 #endif 724 /* count register returns full size when end of buffer is reached */ 725 res = base + size; 726 if (check_invalid_pos(viadev, res)) { 727 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 728 res = viadev->lastpos; 729 } 730 } 731 } 732 viadev->lastpos = res; /* remember the last position */ 733 if (res >= viadev->bufsize) 734 res -= viadev->bufsize; 735 return res; 736 } 737 738 /* 739 * get the current pointer on via686 740 */ 741 static snd_pcm_uframes_t snd_via686_pcm_pointer(snd_pcm_substream_t *substream) 742 { 743 via82xx_t *chip = snd_pcm_substream_chip(substream); 744 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 745 unsigned int idx, ptr, count, res; 746 747 snd_assert(viadev->tbl_entries, return 0); 748 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 749 return 0; 750 751 spin_lock(&chip->reg_lock); 752 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 753 /* The via686a does not have the current index register, 754 * so we need to calculate the index from CURR_PTR. 755 */ 756 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 757 if (ptr <= (unsigned int)viadev->table.addr) 758 idx = 0; 759 else /* CURR_PTR holds the address + 8 */ 760 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 761 res = calc_linear_pos(viadev, idx, count); 762 spin_unlock(&chip->reg_lock); 763 764 return bytes_to_frames(substream->runtime, res); 765 } 766 767 /* 768 * get the current pointer on via823x 769 */ 770 static snd_pcm_uframes_t snd_via8233_pcm_pointer(snd_pcm_substream_t *substream) 771 { 772 via82xx_t *chip = snd_pcm_substream_chip(substream); 773 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 774 unsigned int idx, count, res; 775 int timeout = 5000; 776 777 snd_assert(viadev->tbl_entries, return 0); 778 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 779 return 0; 780 spin_lock(&chip->reg_lock); 781 do { 782 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 783 /* some mobos read 0 count */ 784 if ((count & 0xffffff) || ! viadev->running) 785 break; 786 } while (--timeout); 787 if (! timeout) 788 snd_printd(KERN_ERR "zero position is read\n"); 789 idx = count >> 24; 790 if (idx >= viadev->tbl_entries) { 791 #ifdef POINTER_DEBUG 792 printk("fail: invalid idx = %i/%i\n", idx, viadev->tbl_entries); 793 #endif 794 res = viadev->lastpos; 795 } else { 796 count &= 0xffffff; 797 res = calc_linear_pos(viadev, idx, count); 798 } 799 spin_unlock(&chip->reg_lock); 800 801 return bytes_to_frames(substream->runtime, res); 802 } 803 804 805 /* 806 * hw_params callback: 807 * allocate the buffer and build up the buffer description table 808 */ 809 static int snd_via82xx_hw_params(snd_pcm_substream_t * substream, 810 snd_pcm_hw_params_t * hw_params) 811 { 812 via82xx_t *chip = snd_pcm_substream_chip(substream); 813 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 814 int err; 815 816 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 817 if (err < 0) 818 return err; 819 err = build_via_table(viadev, substream, chip->pci, 820 params_periods(hw_params), 821 params_period_bytes(hw_params)); 822 if (err < 0) 823 return err; 824 825 return 0; 826 } 827 828 /* 829 * hw_free callback: 830 * clean up the buffer description table and release the buffer 831 */ 832 static int snd_via82xx_hw_free(snd_pcm_substream_t * substream) 833 { 834 via82xx_t *chip = snd_pcm_substream_chip(substream); 835 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 836 837 clean_via_table(viadev, substream, chip->pci); 838 snd_pcm_lib_free_pages(substream); 839 return 0; 840 } 841 842 843 /* 844 * set up the table pointer 845 */ 846 static void snd_via82xx_set_table_ptr(via82xx_t *chip, viadev_t *viadev) 847 { 848 snd_via82xx_codec_ready(chip, 0); 849 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 850 udelay(20); 851 snd_via82xx_codec_ready(chip, 0); 852 } 853 854 /* 855 * prepare callback for playback and capture on via686 856 */ 857 static void via686_setup_format(via82xx_t *chip, viadev_t *viadev, snd_pcm_runtime_t *runtime) 858 { 859 snd_via82xx_channel_reset(chip, viadev); 860 /* this must be set after channel_reset */ 861 snd_via82xx_set_table_ptr(chip, viadev); 862 outb(VIA_REG_TYPE_AUTOSTART | 863 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 864 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 865 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 866 VIA_REG_TYPE_INT_EOL | 867 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 868 } 869 870 static int snd_via686_playback_prepare(snd_pcm_substream_t *substream) 871 { 872 via82xx_t *chip = snd_pcm_substream_chip(substream); 873 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 874 snd_pcm_runtime_t *runtime = substream->runtime; 875 876 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 877 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 878 via686_setup_format(chip, viadev, runtime); 879 return 0; 880 } 881 882 static int snd_via686_capture_prepare(snd_pcm_substream_t *substream) 883 { 884 via82xx_t *chip = snd_pcm_substream_chip(substream); 885 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 886 snd_pcm_runtime_t *runtime = substream->runtime; 887 888 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 889 via686_setup_format(chip, viadev, runtime); 890 return 0; 891 } 892 893 /* 894 * lock the current rate 895 */ 896 static int via_lock_rate(struct via_rate_lock *rec, int rate) 897 { 898 int changed = 0; 899 900 spin_lock_irq(&rec->lock); 901 if (rec->rate != rate) { 902 if (rec->rate && rec->used > 1) /* already set */ 903 changed = -EINVAL; 904 else { 905 rec->rate = rate; 906 changed = 1; 907 } 908 } 909 spin_unlock_irq(&rec->lock); 910 return changed; 911 } 912 913 /* 914 * prepare callback for DSX playback on via823x 915 */ 916 static int snd_via8233_playback_prepare(snd_pcm_substream_t *substream) 917 { 918 via82xx_t *chip = snd_pcm_substream_chip(substream); 919 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 920 snd_pcm_runtime_t *runtime = substream->runtime; 921 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 922 int rate_changed; 923 u32 rbits; 924 925 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 926 return rate_changed; 927 if (rate_changed) 928 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 929 chip->no_vra ? 48000 : runtime->rate); 930 if (chip->spdif_on && viadev->reg_offset == 0x30) 931 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 932 933 if (runtime->rate == 48000) 934 rbits = 0xfffff; 935 else 936 rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; 937 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 938 snd_via82xx_channel_reset(chip, viadev); 939 snd_via82xx_set_table_ptr(chip, viadev); 940 outb(chip->playback_volume[0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 941 outb(chip->playback_volume[1], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 942 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 943 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 944 rbits | /* rate */ 945 0xff000000, /* STOP index is never reached */ 946 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 947 udelay(20); 948 snd_via82xx_codec_ready(chip, 0); 949 return 0; 950 } 951 952 /* 953 * prepare callback for multi-channel playback on via823x 954 */ 955 static int snd_via8233_multi_prepare(snd_pcm_substream_t *substream) 956 { 957 via82xx_t *chip = snd_pcm_substream_chip(substream); 958 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 959 snd_pcm_runtime_t *runtime = substream->runtime; 960 unsigned int slots; 961 int fmt; 962 963 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 964 return -EINVAL; 965 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 966 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 967 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 968 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 969 snd_via82xx_channel_reset(chip, viadev); 970 snd_via82xx_set_table_ptr(chip, viadev); 971 972 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 973 fmt |= runtime->channels << 4; 974 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 975 #if 0 976 if (chip->revision == VIA_REV_8233A) 977 slots = 0; 978 else 979 #endif 980 { 981 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 982 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 983 switch (runtime->channels) { 984 case 1: slots = (1<<0) | (1<<4); break; 985 case 2: slots = (1<<0) | (2<<4); break; 986 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 987 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 988 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 989 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 990 default: slots = 0; break; 991 } 992 } 993 /* STOP index is never reached */ 994 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 995 udelay(20); 996 snd_via82xx_codec_ready(chip, 0); 997 return 0; 998 } 999 1000 /* 1001 * prepare callback for capture on via823x 1002 */ 1003 static int snd_via8233_capture_prepare(snd_pcm_substream_t *substream) 1004 { 1005 via82xx_t *chip = snd_pcm_substream_chip(substream); 1006 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1007 snd_pcm_runtime_t *runtime = substream->runtime; 1008 1009 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1010 return -EINVAL; 1011 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1012 snd_via82xx_channel_reset(chip, viadev); 1013 snd_via82xx_set_table_ptr(chip, viadev); 1014 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1015 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1016 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1017 0xff000000, /* STOP index is never reached */ 1018 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1019 udelay(20); 1020 snd_via82xx_codec_ready(chip, 0); 1021 return 0; 1022 } 1023 1024 1025 /* 1026 * pcm hardware definition, identical for both playback and capture 1027 */ 1028 static snd_pcm_hardware_t snd_via82xx_hw = 1029 { 1030 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1031 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1032 SNDRV_PCM_INFO_MMAP_VALID | 1033 /* SNDRV_PCM_INFO_RESUME | */ 1034 SNDRV_PCM_INFO_PAUSE), 1035 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1036 .rates = SNDRV_PCM_RATE_48000, 1037 .rate_min = 48000, 1038 .rate_max = 48000, 1039 .channels_min = 1, 1040 .channels_max = 2, 1041 .buffer_bytes_max = 128 * 1024, 1042 .period_bytes_min = 32, 1043 .period_bytes_max = 128 * 1024, 1044 .periods_min = 2, 1045 .periods_max = VIA_TABLE_SIZE / 2, 1046 .fifo_size = 0, 1047 }; 1048 1049 1050 /* 1051 * open callback skeleton 1052 */ 1053 static int snd_via82xx_pcm_open(via82xx_t *chip, viadev_t *viadev, snd_pcm_substream_t * substream) 1054 { 1055 snd_pcm_runtime_t *runtime = substream->runtime; 1056 int err; 1057 struct via_rate_lock *ratep; 1058 1059 runtime->hw = snd_via82xx_hw; 1060 1061 /* set the hw rate condition */ 1062 ratep = &chip->rates[viadev->direction]; 1063 spin_lock_irq(&ratep->lock); 1064 ratep->used++; 1065 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1066 /* DXS#3 and spdif is on */ 1067 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1068 snd_pcm_limit_hw_rates(runtime); 1069 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1070 /* fixed DXS playback rate */ 1071 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1072 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1073 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1074 /* use full SRC capabilities of DXS */ 1075 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1076 SNDRV_PCM_RATE_8000_48000); 1077 runtime->hw.rate_min = 8000; 1078 runtime->hw.rate_max = 48000; 1079 } else if (! ratep->rate) { 1080 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1081 runtime->hw.rates = chip->ac97->rates[idx]; 1082 snd_pcm_limit_hw_rates(runtime); 1083 } else { 1084 /* a fixed rate */ 1085 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1086 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1087 } 1088 spin_unlock_irq(&ratep->lock); 1089 1090 /* we may remove following constaint when we modify table entries 1091 in interrupt */ 1092 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1093 return err; 1094 1095 runtime->private_data = viadev; 1096 viadev->substream = substream; 1097 1098 return 0; 1099 } 1100 1101 1102 /* 1103 * open callback for playback on via686 and via823x DSX 1104 */ 1105 static int snd_via82xx_playback_open(snd_pcm_substream_t * substream) 1106 { 1107 via82xx_t *chip = snd_pcm_substream_chip(substream); 1108 viadev_t *viadev = &chip->devs[chip->playback_devno + substream->number]; 1109 int err; 1110 1111 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1112 return err; 1113 return 0; 1114 } 1115 1116 /* 1117 * open callback for playback on via823x multi-channel 1118 */ 1119 static int snd_via8233_multi_open(snd_pcm_substream_t * substream) 1120 { 1121 via82xx_t *chip = snd_pcm_substream_chip(substream); 1122 viadev_t *viadev = &chip->devs[chip->multi_devno]; 1123 int err; 1124 /* channels constraint for VIA8233A 1125 * 3 and 5 channels are not supported 1126 */ 1127 static unsigned int channels[] = { 1128 1, 2, 4, 6 1129 }; 1130 static snd_pcm_hw_constraint_list_t hw_constraints_channels = { 1131 .count = ARRAY_SIZE(channels), 1132 .list = channels, 1133 .mask = 0, 1134 }; 1135 1136 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1137 return err; 1138 substream->runtime->hw.channels_max = 6; 1139 if (chip->revision == VIA_REV_8233A) 1140 snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); 1141 return 0; 1142 } 1143 1144 /* 1145 * open callback for capture on via686 and via823x 1146 */ 1147 static int snd_via82xx_capture_open(snd_pcm_substream_t * substream) 1148 { 1149 via82xx_t *chip = snd_pcm_substream_chip(substream); 1150 viadev_t *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1151 1152 return snd_via82xx_pcm_open(chip, viadev, substream); 1153 } 1154 1155 /* 1156 * close callback 1157 */ 1158 static int snd_via82xx_pcm_close(snd_pcm_substream_t * substream) 1159 { 1160 via82xx_t *chip = snd_pcm_substream_chip(substream); 1161 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1162 struct via_rate_lock *ratep; 1163 1164 /* release the rate lock */ 1165 ratep = &chip->rates[viadev->direction]; 1166 spin_lock_irq(&ratep->lock); 1167 ratep->used--; 1168 if (! ratep->used) 1169 ratep->rate = 0; 1170 spin_unlock_irq(&ratep->lock); 1171 1172 viadev->substream = NULL; 1173 return 0; 1174 } 1175 1176 1177 /* via686 playback callbacks */ 1178 static snd_pcm_ops_t snd_via686_playback_ops = { 1179 .open = snd_via82xx_playback_open, 1180 .close = snd_via82xx_pcm_close, 1181 .ioctl = snd_pcm_lib_ioctl, 1182 .hw_params = snd_via82xx_hw_params, 1183 .hw_free = snd_via82xx_hw_free, 1184 .prepare = snd_via686_playback_prepare, 1185 .trigger = snd_via82xx_pcm_trigger, 1186 .pointer = snd_via686_pcm_pointer, 1187 .page = snd_pcm_sgbuf_ops_page, 1188 }; 1189 1190 /* via686 capture callbacks */ 1191 static snd_pcm_ops_t snd_via686_capture_ops = { 1192 .open = snd_via82xx_capture_open, 1193 .close = snd_via82xx_pcm_close, 1194 .ioctl = snd_pcm_lib_ioctl, 1195 .hw_params = snd_via82xx_hw_params, 1196 .hw_free = snd_via82xx_hw_free, 1197 .prepare = snd_via686_capture_prepare, 1198 .trigger = snd_via82xx_pcm_trigger, 1199 .pointer = snd_via686_pcm_pointer, 1200 .page = snd_pcm_sgbuf_ops_page, 1201 }; 1202 1203 /* via823x DSX playback callbacks */ 1204 static snd_pcm_ops_t snd_via8233_playback_ops = { 1205 .open = snd_via82xx_playback_open, 1206 .close = snd_via82xx_pcm_close, 1207 .ioctl = snd_pcm_lib_ioctl, 1208 .hw_params = snd_via82xx_hw_params, 1209 .hw_free = snd_via82xx_hw_free, 1210 .prepare = snd_via8233_playback_prepare, 1211 .trigger = snd_via82xx_pcm_trigger, 1212 .pointer = snd_via8233_pcm_pointer, 1213 .page = snd_pcm_sgbuf_ops_page, 1214 }; 1215 1216 /* via823x multi-channel playback callbacks */ 1217 static snd_pcm_ops_t snd_via8233_multi_ops = { 1218 .open = snd_via8233_multi_open, 1219 .close = snd_via82xx_pcm_close, 1220 .ioctl = snd_pcm_lib_ioctl, 1221 .hw_params = snd_via82xx_hw_params, 1222 .hw_free = snd_via82xx_hw_free, 1223 .prepare = snd_via8233_multi_prepare, 1224 .trigger = snd_via82xx_pcm_trigger, 1225 .pointer = snd_via8233_pcm_pointer, 1226 .page = snd_pcm_sgbuf_ops_page, 1227 }; 1228 1229 /* via823x capture callbacks */ 1230 static snd_pcm_ops_t snd_via8233_capture_ops = { 1231 .open = snd_via82xx_capture_open, 1232 .close = snd_via82xx_pcm_close, 1233 .ioctl = snd_pcm_lib_ioctl, 1234 .hw_params = snd_via82xx_hw_params, 1235 .hw_free = snd_via82xx_hw_free, 1236 .prepare = snd_via8233_capture_prepare, 1237 .trigger = snd_via82xx_pcm_trigger, 1238 .pointer = snd_via8233_pcm_pointer, 1239 .page = snd_pcm_sgbuf_ops_page, 1240 }; 1241 1242 1243 static void init_viadev(via82xx_t *chip, int idx, unsigned int reg_offset, int direction) 1244 { 1245 chip->devs[idx].reg_offset = reg_offset; 1246 chip->devs[idx].direction = direction; 1247 chip->devs[idx].port = chip->port + reg_offset; 1248 } 1249 1250 /* 1251 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1252 */ 1253 static int __devinit snd_via8233_pcm_new(via82xx_t *chip) 1254 { 1255 snd_pcm_t *pcm; 1256 int i, err; 1257 1258 chip->playback_devno = 0; /* x 4 */ 1259 chip->multi_devno = 4; /* x 1 */ 1260 chip->capture_devno = 5; /* x 2 */ 1261 chip->num_devs = 7; 1262 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1263 1264 /* PCM #0: 4 DSX playbacks and 1 capture */ 1265 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1266 if (err < 0) 1267 return err; 1268 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1269 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1270 pcm->private_data = chip; 1271 strcpy(pcm->name, chip->card->shortname); 1272 chip->pcms[0] = pcm; 1273 /* set up playbacks */ 1274 for (i = 0; i < 4; i++) 1275 init_viadev(chip, i, 0x10 * i, 0); 1276 /* capture */ 1277 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1278 1279 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1280 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1281 return err; 1282 1283 /* PCM #1: multi-channel playback and 2nd capture */ 1284 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1285 if (err < 0) 1286 return err; 1287 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1288 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1289 pcm->private_data = chip; 1290 strcpy(pcm->name, chip->card->shortname); 1291 chip->pcms[1] = pcm; 1292 /* set up playback */ 1293 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1294 /* set up capture */ 1295 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 1); 1296 1297 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1298 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1299 return err; 1300 1301 return 0; 1302 } 1303 1304 /* 1305 * create pcm instances for VIA8233A 1306 */ 1307 static int __devinit snd_via8233a_pcm_new(via82xx_t *chip) 1308 { 1309 snd_pcm_t *pcm; 1310 int err; 1311 1312 chip->multi_devno = 0; 1313 chip->playback_devno = 1; 1314 chip->capture_devno = 2; 1315 chip->num_devs = 3; 1316 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1317 1318 /* PCM #0: multi-channel playback and capture */ 1319 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1320 if (err < 0) 1321 return err; 1322 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1323 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1324 pcm->private_data = chip; 1325 strcpy(pcm->name, chip->card->shortname); 1326 chip->pcms[0] = pcm; 1327 /* set up playback */ 1328 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1329 /* capture */ 1330 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1331 1332 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1333 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1334 return err; 1335 1336 /* SPDIF supported? */ 1337 if (! ac97_can_spdif(chip->ac97)) 1338 return 0; 1339 1340 /* PCM #1: DXS3 playback (for spdif) */ 1341 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1342 if (err < 0) 1343 return err; 1344 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1345 pcm->private_data = chip; 1346 strcpy(pcm->name, chip->card->shortname); 1347 chip->pcms[1] = pcm; 1348 /* set up playback */ 1349 init_viadev(chip, chip->playback_devno, 0x30, 0); 1350 1351 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1352 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1353 return err; 1354 1355 return 0; 1356 } 1357 1358 /* 1359 * create a pcm instance for via686a/b 1360 */ 1361 static int __devinit snd_via686_pcm_new(via82xx_t *chip) 1362 { 1363 snd_pcm_t *pcm; 1364 int err; 1365 1366 chip->playback_devno = 0; 1367 chip->capture_devno = 1; 1368 chip->num_devs = 2; 1369 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1370 1371 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1372 if (err < 0) 1373 return err; 1374 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1375 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1376 pcm->private_data = chip; 1377 strcpy(pcm->name, chip->card->shortname); 1378 chip->pcms[0] = pcm; 1379 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0); 1380 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 1); 1381 1382 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1383 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1384 return err; 1385 1386 return 0; 1387 } 1388 1389 1390 /* 1391 * Mixer part 1392 */ 1393 1394 static int snd_via8233_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1395 { 1396 /* formerly they were "Line" and "Mic", but it looks like that they 1397 * have nothing to do with the actual physical connections... 1398 */ 1399 static char *texts[2] = { 1400 "Input1", "Input2" 1401 }; 1402 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1403 uinfo->count = 1; 1404 uinfo->value.enumerated.items = 2; 1405 if (uinfo->value.enumerated.item >= 2) 1406 uinfo->value.enumerated.item = 1; 1407 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1408 return 0; 1409 } 1410 1411 static int snd_via8233_capture_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1412 { 1413 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1414 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1415 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1416 return 0; 1417 } 1418 1419 static int snd_via8233_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1420 { 1421 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1422 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1423 u8 val, oval; 1424 1425 spin_lock_irq(&chip->reg_lock); 1426 oval = inb(port); 1427 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1428 if (ucontrol->value.enumerated.item[0]) 1429 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1430 if (val != oval) 1431 outb(val, port); 1432 spin_unlock_irq(&chip->reg_lock); 1433 return val != oval; 1434 } 1435 1436 static snd_kcontrol_new_t snd_via8233_capture_source __devinitdata = { 1437 .name = "Input Source Select", 1438 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1439 .info = snd_via8233_capture_source_info, 1440 .get = snd_via8233_capture_source_get, 1441 .put = snd_via8233_capture_source_put, 1442 }; 1443 1444 static int snd_via8233_dxs3_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1445 { 1446 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1447 uinfo->count = 1; 1448 uinfo->value.integer.min = 0; 1449 uinfo->value.integer.max = 1; 1450 return 0; 1451 } 1452 1453 static int snd_via8233_dxs3_spdif_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1454 { 1455 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1456 u8 val; 1457 1458 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1459 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1460 return 0; 1461 } 1462 1463 static int snd_via8233_dxs3_spdif_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1464 { 1465 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1466 u8 val, oval; 1467 1468 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1469 val = oval & ~VIA8233_SPDIF_DX3; 1470 if (ucontrol->value.integer.value[0]) 1471 val |= VIA8233_SPDIF_DX3; 1472 /* save the spdif flag for rate filtering */ 1473 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1474 if (val != oval) { 1475 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1476 return 1; 1477 } 1478 return 0; 1479 } 1480 1481 static snd_kcontrol_new_t snd_via8233_dxs3_spdif_control __devinitdata = { 1482 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1483 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1484 .info = snd_via8233_dxs3_spdif_info, 1485 .get = snd_via8233_dxs3_spdif_get, 1486 .put = snd_via8233_dxs3_spdif_put, 1487 }; 1488 1489 static int snd_via8233_dxs_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1490 { 1491 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1492 uinfo->count = 2; 1493 uinfo->value.integer.min = 0; 1494 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1495 return 0; 1496 } 1497 1498 static int snd_via8233_dxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1499 { 1500 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1501 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[0]; 1502 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[1]; 1503 return 0; 1504 } 1505 1506 static int snd_via8233_dxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1507 { 1508 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1509 unsigned int idx; 1510 unsigned char val; 1511 int i, change = 0; 1512 1513 for (i = 0; i < 2; i++) { 1514 val = ucontrol->value.integer.value[i]; 1515 if (val > VIA_DXS_MAX_VOLUME) 1516 val = VIA_DXS_MAX_VOLUME; 1517 val = VIA_DXS_MAX_VOLUME - val; 1518 if (val != chip->playback_volume[i]) { 1519 change = 1; 1520 chip->playback_volume[i] = val; 1521 for (idx = 0; idx < 4; idx++) { 1522 unsigned long port = chip->port + 0x10 * idx; 1523 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1524 } 1525 } 1526 } 1527 return change; 1528 } 1529 1530 static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = { 1531 .name = "PCM Playback Volume", 1532 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1533 .info = snd_via8233_dxs_volume_info, 1534 .get = snd_via8233_dxs_volume_get, 1535 .put = snd_via8233_dxs_volume_put, 1536 }; 1537 1538 /* 1539 */ 1540 1541 static void snd_via82xx_mixer_free_ac97_bus(ac97_bus_t *bus) 1542 { 1543 via82xx_t *chip = bus->private_data; 1544 chip->ac97_bus = NULL; 1545 } 1546 1547 static void snd_via82xx_mixer_free_ac97(ac97_t *ac97) 1548 { 1549 via82xx_t *chip = ac97->private_data; 1550 chip->ac97 = NULL; 1551 } 1552 1553 static struct ac97_quirk ac97_quirks[] = { 1554 { 1555 .subvendor = 0x1106, 1556 .subdevice = 0x4161, 1557 .codec_id = 0x56494161, /* VT1612A */ 1558 .name = "Soltek SL-75DRV5", 1559 .type = AC97_TUNE_NONE 1560 }, 1561 { /* FIXME: which codec? */ 1562 .subvendor = 0x1106, 1563 .subdevice = 0x4161, 1564 .name = "ASRock K7VT2", 1565 .type = AC97_TUNE_HP_ONLY 1566 }, 1567 { 1568 .subvendor = 0x1019, 1569 .subdevice = 0x0a81, 1570 .name = "ECS K7VTA3", 1571 .type = AC97_TUNE_HP_ONLY 1572 }, 1573 { 1574 .subvendor = 0x1019, 1575 .subdevice = 0x0a85, 1576 .name = "ECS L7VMM2", 1577 .type = AC97_TUNE_HP_ONLY 1578 }, 1579 { 1580 .subvendor = 0x1849, 1581 .subdevice = 0x3059, 1582 .name = "ASRock K7VM2", 1583 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1584 }, 1585 { 1586 .subvendor = 0x14cd, 1587 .subdevice = 0x7002, 1588 .name = "Unknown", 1589 .type = AC97_TUNE_ALC_JACK 1590 }, 1591 { 1592 .subvendor = 0x1071, 1593 .subdevice = 0x8590, 1594 .name = "Mitac Mobo", 1595 .type = AC97_TUNE_ALC_JACK 1596 }, 1597 { 1598 .subvendor = 0x161f, 1599 .subdevice = 0x202b, 1600 .name = "Arima Notebook", 1601 .type = AC97_TUNE_HP_ONLY, 1602 }, 1603 { } /* terminator */ 1604 }; 1605 1606 static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, const char *quirk_override) 1607 { 1608 ac97_template_t ac97; 1609 int err; 1610 static ac97_bus_ops_t ops = { 1611 .write = snd_via82xx_codec_write, 1612 .read = snd_via82xx_codec_read, 1613 .wait = snd_via82xx_codec_wait, 1614 }; 1615 1616 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1617 return err; 1618 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1619 chip->ac97_bus->clock = chip->ac97_clock; 1620 1621 memset(&ac97, 0, sizeof(ac97)); 1622 ac97.private_data = chip; 1623 ac97.private_free = snd_via82xx_mixer_free_ac97; 1624 ac97.pci = chip->pci; 1625 ac97.scaps = AC97_SCAP_SKIP_MODEM; 1626 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1627 return err; 1628 1629 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1630 1631 if (chip->chip_type != TYPE_VIA686) { 1632 /* use slot 10/11 */ 1633 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1634 } 1635 1636 return 0; 1637 } 1638 1639 #ifdef SUPPORT_JOYSTICK 1640 #define JOYSTICK_ADDR 0x200 1641 static int __devinit snd_via686_create_gameport(via82xx_t *chip, unsigned char *legacy) 1642 { 1643 struct gameport *gp; 1644 struct resource *r; 1645 1646 if (!joystick) 1647 return -ENODEV; 1648 1649 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1650 if (!r) { 1651 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", JOYSTICK_ADDR); 1652 return -EBUSY; 1653 } 1654 1655 chip->gameport = gp = gameport_allocate_port(); 1656 if (!gp) { 1657 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1658 release_resource(r); 1659 kfree_nocheck(r); 1660 return -ENOMEM; 1661 } 1662 1663 gameport_set_name(gp, "VIA686 Gameport"); 1664 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1665 gameport_set_dev_parent(gp, &chip->pci->dev); 1666 gp->io = JOYSTICK_ADDR; 1667 gameport_set_port_data(gp, r); 1668 1669 /* Enable legacy joystick port */ 1670 *legacy |= VIA_FUNC_ENABLE_GAME; 1671 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1672 1673 gameport_register_port(chip->gameport); 1674 1675 return 0; 1676 } 1677 1678 static void snd_via686_free_gameport(via82xx_t *chip) 1679 { 1680 if (chip->gameport) { 1681 struct resource *r = gameport_get_port_data(chip->gameport); 1682 1683 gameport_unregister_port(chip->gameport); 1684 chip->gameport = NULL; 1685 release_resource(r); 1686 kfree_nocheck(r); 1687 } 1688 } 1689 #else 1690 static inline int snd_via686_create_gameport(via82xx_t *chip, unsigned char *legacy) 1691 { 1692 return -ENOSYS; 1693 } 1694 static inline void snd_via686_free_gameport(via82xx_t *chip) { } 1695 #endif 1696 1697 1698 /* 1699 * 1700 */ 1701 1702 static int __devinit snd_via8233_init_misc(via82xx_t *chip) 1703 { 1704 int i, err, caps; 1705 unsigned char val; 1706 1707 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1708 for (i = 0; i < caps; i++) { 1709 snd_via8233_capture_source.index = i; 1710 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1711 if (err < 0) 1712 return err; 1713 } 1714 if (ac97_can_spdif(chip->ac97)) { 1715 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1716 if (err < 0) 1717 return err; 1718 } 1719 if (chip->chip_type != TYPE_VIA8233A) { 1720 /* when no h/w PCM volume control is found, use DXS volume control 1721 * as the PCM vol control 1722 */ 1723 snd_ctl_elem_id_t sid; 1724 memset(&sid, 0, sizeof(sid)); 1725 strcpy(sid.name, "PCM Playback Volume"); 1726 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1727 if (! snd_ctl_find_id(chip->card, &sid)) { 1728 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1729 if (err < 0) 1730 return err; 1731 } 1732 } 1733 1734 /* select spdif data slot 10/11 */ 1735 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1736 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1737 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1738 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1739 1740 return 0; 1741 } 1742 1743 static int __devinit snd_via686_init_misc(via82xx_t *chip) 1744 { 1745 unsigned char legacy, legacy_cfg; 1746 int rev_h = 0; 1747 1748 legacy = chip->old_legacy; 1749 legacy_cfg = chip->old_legacy_cfg; 1750 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1751 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1752 if (chip->revision >= VIA_REV_686_H) { 1753 rev_h = 1; 1754 if (mpu_port >= 0x200) { /* force MIDI */ 1755 mpu_port &= 0xfffc; 1756 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 1757 #ifdef CONFIG_PM 1758 chip->mpu_port_saved = mpu_port; 1759 #endif 1760 } else { 1761 mpu_port = pci_resource_start(chip->pci, 2); 1762 } 1763 } else { 1764 switch (mpu_port) { /* force MIDI */ 1765 case 0x300: 1766 case 0x310: 1767 case 0x320: 1768 case 0x330: 1769 legacy_cfg &= ~(3 << 2); 1770 legacy_cfg |= (mpu_port & 0x0030) >> 2; 1771 break; 1772 default: /* no, use BIOS settings */ 1773 if (legacy & VIA_FUNC_ENABLE_MIDI) 1774 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 1775 break; 1776 } 1777 } 1778 if (mpu_port >= 0x200 && 1779 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 1780 != NULL) { 1781 if (rev_h) 1782 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1783 legacy |= VIA_FUNC_ENABLE_MIDI; 1784 } else { 1785 if (rev_h) 1786 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1787 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1788 mpu_port = 0; 1789 } 1790 1791 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1792 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1793 if (chip->mpu_res) { 1794 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1795 mpu_port, 1, 1796 chip->irq, 0, &chip->rmidi) < 0) { 1797 printk(KERN_WARNING "unable to initialize MPU-401" 1798 " at 0x%lx, skipping\n", mpu_port); 1799 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1800 } else { 1801 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 1802 } 1803 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1804 } 1805 1806 snd_via686_create_gameport(chip, &legacy); 1807 1808 #ifdef CONFIG_PM 1809 chip->legacy_saved = legacy; 1810 chip->legacy_cfg_saved = legacy_cfg; 1811 #endif 1812 1813 return 0; 1814 } 1815 1816 1817 /* 1818 * proc interface 1819 */ 1820 static void snd_via82xx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) 1821 { 1822 via82xx_t *chip = entry->private_data; 1823 int i; 1824 1825 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 1826 for (i = 0; i < 0xa0; i += 4) { 1827 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 1828 } 1829 } 1830 1831 static void __devinit snd_via82xx_proc_init(via82xx_t *chip) 1832 { 1833 snd_info_entry_t *entry; 1834 1835 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 1836 snd_info_set_text_ops(entry, chip, 1024, snd_via82xx_proc_read); 1837 } 1838 1839 /* 1840 * 1841 */ 1842 1843 static int snd_via82xx_chip_init(via82xx_t *chip) 1844 { 1845 unsigned int val; 1846 unsigned long end_time; 1847 unsigned char pval; 1848 1849 #if 0 /* broken on K7M? */ 1850 if (chip->chip_type == TYPE_VIA686) 1851 /* disable all legacy ports */ 1852 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 1853 #endif 1854 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1855 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 1856 /* deassert ACLink reset, force SYNC */ 1857 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1858 VIA_ACLINK_CTRL_ENABLE | 1859 VIA_ACLINK_CTRL_RESET | 1860 VIA_ACLINK_CTRL_SYNC); 1861 udelay(100); 1862 #if 1 /* FIXME: should we do full reset here for all chip models? */ 1863 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 1864 udelay(100); 1865 #else 1866 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 1867 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1868 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 1869 udelay(2); 1870 #endif 1871 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1872 /* note - FM data out has trouble with non VRA codecs !! */ 1873 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1874 udelay(100); 1875 } 1876 1877 /* Make sure VRA is enabled, in case we didn't do a 1878 * complete codec reset, above */ 1879 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 1880 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 1881 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1882 /* note - FM data out has trouble with non VRA codecs !! */ 1883 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1884 udelay(100); 1885 } 1886 1887 /* wait until codec ready */ 1888 end_time = jiffies + msecs_to_jiffies(750); 1889 do { 1890 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1891 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 1892 break; 1893 set_current_state(TASK_UNINTERRUPTIBLE); 1894 schedule_timeout(1); 1895 } while (time_before(jiffies, end_time)); 1896 1897 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 1898 snd_printk("AC'97 codec is not ready [0x%x]\n", val); 1899 1900 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 1901 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1902 VIA_REG_AC97_SECONDARY_VALID | 1903 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1904 end_time = jiffies + msecs_to_jiffies(750); 1905 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1906 VIA_REG_AC97_SECONDARY_VALID | 1907 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1908 do { 1909 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 1910 chip->ac97_secondary = 1; 1911 goto __ac97_ok2; 1912 } 1913 set_current_state(TASK_INTERRUPTIBLE); 1914 schedule_timeout(1); 1915 } while (time_before(jiffies, end_time)); 1916 /* This is ok, the most of motherboards have only one codec */ 1917 1918 __ac97_ok2: 1919 #endif 1920 1921 if (chip->chip_type == TYPE_VIA686) { 1922 /* route FM trap to IRQ, disable FM trap */ 1923 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 1924 /* disable all GPI interrupts */ 1925 outl(0, VIAREG(chip, GPI_INTR)); 1926 } 1927 1928 if (chip->chip_type != TYPE_VIA686) { 1929 /* Workaround for Award BIOS bug: 1930 * DXS channels don't work properly with VRA if MC97 is disabled. 1931 */ 1932 struct pci_dev *pci; 1933 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 1934 if (pci) { 1935 unsigned char data; 1936 pci_read_config_byte(pci, 0x44, &data); 1937 pci_write_config_byte(pci, 0x44, data | 0x40); 1938 pci_dev_put(pci); 1939 } 1940 } 1941 1942 if (chip->chip_type != TYPE_VIA8233A) { 1943 int i, idx; 1944 for (idx = 0; idx < 4; idx++) { 1945 unsigned long port = chip->port + 0x10 * idx; 1946 for (i = 0; i < 2; i++) 1947 outb(chip->playback_volume[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1948 } 1949 } 1950 1951 return 0; 1952 } 1953 1954 #ifdef CONFIG_PM 1955 /* 1956 * power management 1957 */ 1958 static int snd_via82xx_suspend(snd_card_t *card, pm_message_t state) 1959 { 1960 via82xx_t *chip = card->pm_private_data; 1961 int i; 1962 1963 for (i = 0; i < 2; i++) 1964 if (chip->pcms[i]) 1965 snd_pcm_suspend_all(chip->pcms[i]); 1966 for (i = 0; i < chip->num_devs; i++) 1967 snd_via82xx_channel_reset(chip, &chip->devs[i]); 1968 synchronize_irq(chip->irq); 1969 snd_ac97_suspend(chip->ac97); 1970 1971 /* save misc values */ 1972 if (chip->chip_type != TYPE_VIA686) { 1973 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 1974 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 1975 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 1976 } 1977 1978 pci_set_power_state(chip->pci, 3); 1979 pci_disable_device(chip->pci); 1980 return 0; 1981 } 1982 1983 static int snd_via82xx_resume(snd_card_t *card) 1984 { 1985 via82xx_t *chip = card->pm_private_data; 1986 int i; 1987 1988 pci_enable_device(chip->pci); 1989 pci_set_power_state(chip->pci, 0); 1990 1991 snd_via82xx_chip_init(chip); 1992 1993 if (chip->chip_type == TYPE_VIA686) { 1994 if (chip->mpu_port_saved) 1995 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 1996 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 1997 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 1998 } else { 1999 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2000 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2001 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2002 } 2003 2004 snd_ac97_resume(chip->ac97); 2005 2006 for (i = 0; i < chip->num_devs; i++) 2007 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2008 2009 return 0; 2010 } 2011 #endif /* CONFIG_PM */ 2012 2013 static int snd_via82xx_free(via82xx_t *chip) 2014 { 2015 unsigned int i; 2016 2017 if (chip->irq < 0) 2018 goto __end_hw; 2019 /* disable interrupts */ 2020 for (i = 0; i < chip->num_devs; i++) 2021 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2022 synchronize_irq(chip->irq); 2023 __end_hw: 2024 if (chip->irq >= 0) 2025 free_irq(chip->irq, (void *)chip); 2026 if (chip->mpu_res) { 2027 release_resource(chip->mpu_res); 2028 kfree_nocheck(chip->mpu_res); 2029 } 2030 pci_release_regions(chip->pci); 2031 2032 if (chip->chip_type == TYPE_VIA686) { 2033 snd_via686_free_gameport(chip); 2034 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2035 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2036 } 2037 pci_disable_device(chip->pci); 2038 kfree(chip); 2039 return 0; 2040 } 2041 2042 static int snd_via82xx_dev_free(snd_device_t *device) 2043 { 2044 via82xx_t *chip = device->device_data; 2045 return snd_via82xx_free(chip); 2046 } 2047 2048 static int __devinit snd_via82xx_create(snd_card_t * card, 2049 struct pci_dev *pci, 2050 int chip_type, 2051 int revision, 2052 unsigned int ac97_clock, 2053 via82xx_t ** r_via) 2054 { 2055 via82xx_t *chip; 2056 int err; 2057 static snd_device_ops_t ops = { 2058 .dev_free = snd_via82xx_dev_free, 2059 }; 2060 2061 if ((err = pci_enable_device(pci)) < 0) 2062 return err; 2063 2064 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2065 pci_disable_device(pci); 2066 return -ENOMEM; 2067 } 2068 2069 chip->chip_type = chip_type; 2070 chip->revision = revision; 2071 2072 spin_lock_init(&chip->reg_lock); 2073 spin_lock_init(&chip->rates[0].lock); 2074 spin_lock_init(&chip->rates[1].lock); 2075 chip->card = card; 2076 chip->pci = pci; 2077 chip->irq = -1; 2078 2079 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2080 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2081 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2082 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2083 2084 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2085 kfree(chip); 2086 pci_disable_device(pci); 2087 return err; 2088 } 2089 chip->port = pci_resource_start(pci, 0); 2090 if (request_irq(pci->irq, snd_via82xx_interrupt, SA_INTERRUPT|SA_SHIRQ, 2091 card->driver, (void *)chip)) { 2092 snd_printk("unable to grab IRQ %d\n", pci->irq); 2093 snd_via82xx_free(chip); 2094 return -EBUSY; 2095 } 2096 chip->irq = pci->irq; 2097 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2098 chip->ac97_clock = ac97_clock; 2099 synchronize_irq(chip->irq); 2100 2101 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2102 snd_via82xx_free(chip); 2103 return err; 2104 } 2105 2106 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2107 snd_via82xx_free(chip); 2108 return err; 2109 } 2110 2111 /* The 8233 ac97 controller does not implement the master bit 2112 * in the pci command register. IMHO this is a violation of the PCI spec. 2113 * We call pci_set_master here because it does not hurt. */ 2114 pci_set_master(pci); 2115 2116 snd_card_set_dev(card, &pci->dev); 2117 2118 *r_via = chip; 2119 return 0; 2120 } 2121 2122 struct via823x_info { 2123 int revision; 2124 char *name; 2125 int type; 2126 }; 2127 static struct via823x_info via823x_cards[] __devinitdata = { 2128 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2129 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2130 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2131 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2132 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2133 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2134 }; 2135 2136 /* 2137 * auto detection of DXS channel supports. 2138 */ 2139 struct dxs_whitelist { 2140 unsigned short subvendor; 2141 unsigned short subdevice; 2142 unsigned short mask; 2143 short action; /* new dxs_support value */ 2144 }; 2145 2146 static int __devinit check_dxs_list(struct pci_dev *pci) 2147 { 2148 static struct dxs_whitelist whitelist[] = { 2149 { .subvendor = 0x1005, .subdevice = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2150 { .subvendor = 0x1019, .subdevice = 0x0996, .action = VIA_DXS_48K }, 2151 { .subvendor = 0x1019, .subdevice = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2152 { .subvendor = 0x1019, .subdevice = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 2153 { .subvendor = 0x1019, .subdevice = 0xa101, .action = VIA_DXS_SRC }, 2154 { .subvendor = 0x1025, .subdevice = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */ 2155 { .subvendor = 0x1025, .subdevice = 0x0046, .action = VIA_DXS_SRC }, /* Acer Aspire 1524 WLMi */ 2156 { .subvendor = 0x1043, .subdevice = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/ 2157 { .subvendor = 0x1043, .subdevice = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ 2158 { .subvendor = 0x1043, .subdevice = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ 2159 { .subvendor = 0x1043, .subdevice = 0x810d, .action = VIA_DXS_SRC }, /* ASUS */ 2160 { .subvendor = 0x1043, .subdevice = 0x812a, .action = VIA_DXS_SRC }, /* ASUS A8V Deluxe */ 2161 { .subvendor = 0x1071, .subdevice = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2162 { .subvendor = 0x1071, .subdevice = 0x8399, .action = VIA_DXS_NO_VRA }, /* Umax AB 595T (VIA K8N800A - VT8237) */ 2163 { .subvendor = 0x10cf, .subdevice = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2164 { .subvendor = 0x1106, .subdevice = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2165 { .subvendor = 0x1106, .subdevice = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2166 { .subvendor = 0x1106, .subdevice = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2167 { .subvendor = 0x1106, .subdevice = 0xc001, .action = VIA_DXS_SRC }, /* Insight P4-ITX */ 2168 { .subvendor = 0x1297, .subdevice = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2169 { .subvendor = 0x1297, .subdevice = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2170 { .subvendor = 0x1458, .subdevice = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2171 { .subvendor = 0x1462, .subdevice = 0x0080, .action = VIA_DXS_SRC }, /* MSI K8T Neo-FIS2R */ 2172 { .subvendor = 0x1462, .subdevice = 0x0430, .action = VIA_DXS_SRC }, /* MSI 7142 (K8MM-V) */ 2173 { .subvendor = 0x1462, .subdevice = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2174 { .subvendor = 0x1462, .subdevice = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2175 { .subvendor = 0x1462, .subdevice = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */ 2176 { .subvendor = 0x1462, .subdevice = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2177 { .subvendor = 0x1462, .subdevice = 0x7142, .action = VIA_DXS_ENABLE }, /* MSI K8MM-V */ 2178 { .subvendor = 0x147b, .subdevice = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2179 { .subvendor = 0x147b, .subdevice = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2180 { .subvendor = 0x147b, .subdevice = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2181 { .subvendor = 0x147b, .subdevice = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2182 { .subvendor = 0x14ff, .subdevice = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2183 { .subvendor = 0x14ff, .subdevice = 0x0408, .action = VIA_DXS_SRC }, /* Twinhead laptop */ 2184 { .subvendor = 0x1584, .subdevice = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2185 { .subvendor = 0x1584, .subdevice = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2186 { .subvendor = 0x161f, .subdevice = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2187 { .subvendor = 0x161f, .subdevice = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2188 { .subvendor = 0x1631, .subdevice = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2189 { .subvendor = 0x1695, .subdevice = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2190 { .subvendor = 0x1849, .subdevice = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2191 { .subvendor = 0x1919, .subdevice = 0x200a, .action = VIA_DXS_NO_VRA }, /* Soltek SL-K8Tpro-939 */ 2192 { .subvendor = 0x4005, .subdevice = 0x4710, .action = VIA_DXS_SRC }, /* MSI K7T266 Pro2 (MS-6380 V2.0) BIOS 3.7 */ 2193 { } /* terminator */ 2194 }; 2195 struct dxs_whitelist *w; 2196 unsigned short subsystem_vendor; 2197 unsigned short subsystem_device; 2198 2199 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2200 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2201 2202 for (w = whitelist; w->subvendor; w++) { 2203 if (w->subvendor != subsystem_vendor) 2204 continue; 2205 if (w->mask) { 2206 if ((w->mask & subsystem_device) == w->subdevice) 2207 return w->action; 2208 } else { 2209 if (subsystem_device == w->subdevice) 2210 return w->action; 2211 } 2212 } 2213 2214 /* 2215 * not detected, try 48k rate only to be sure. 2216 */ 2217 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2218 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2219 printk(KERN_INFO " and report if it works on your machine.\n"); 2220 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2221 return VIA_DXS_48K; 2222 }; 2223 2224 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2225 const struct pci_device_id *pci_id) 2226 { 2227 snd_card_t *card; 2228 via82xx_t *chip; 2229 unsigned char revision; 2230 int chip_type = 0, card_type; 2231 unsigned int i; 2232 int err; 2233 2234 card = snd_card_new(index, id, THIS_MODULE, 0); 2235 if (card == NULL) 2236 return -ENOMEM; 2237 2238 card_type = pci_id->driver_data; 2239 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2240 switch (card_type) { 2241 case TYPE_CARD_VIA686: 2242 strcpy(card->driver, "VIA686A"); 2243 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2244 chip_type = TYPE_VIA686; 2245 break; 2246 case TYPE_CARD_VIA8233: 2247 chip_type = TYPE_VIA8233; 2248 sprintf(card->shortname, "VIA 823x rev%x", revision); 2249 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2250 if (revision == via823x_cards[i].revision) { 2251 chip_type = via823x_cards[i].type; 2252 strcpy(card->shortname, via823x_cards[i].name); 2253 break; 2254 } 2255 } 2256 if (chip_type != TYPE_VIA8233A) { 2257 if (dxs_support == VIA_DXS_AUTO) 2258 dxs_support = check_dxs_list(pci); 2259 /* force to use VIA8233 or 8233A model according to 2260 * dxs_support module option 2261 */ 2262 if (dxs_support == VIA_DXS_DISABLE) 2263 chip_type = TYPE_VIA8233A; 2264 else 2265 chip_type = TYPE_VIA8233; 2266 } 2267 if (chip_type == TYPE_VIA8233A) 2268 strcpy(card->driver, "VIA8233A"); 2269 else if (revision >= VIA_REV_8237) 2270 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2271 else 2272 strcpy(card->driver, "VIA8233"); 2273 break; 2274 default: 2275 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2276 err = -EINVAL; 2277 goto __error; 2278 } 2279 2280 if ((err = snd_via82xx_create(card, pci, chip_type, revision, 2281 ac97_clock, &chip)) < 0) 2282 goto __error; 2283 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2284 goto __error; 2285 2286 if (chip_type == TYPE_VIA686) { 2287 if ((err = snd_via686_pcm_new(chip)) < 0 || 2288 (err = snd_via686_init_misc(chip)) < 0) 2289 goto __error; 2290 } else { 2291 if (chip_type == TYPE_VIA8233A) { 2292 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2293 goto __error; 2294 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2295 } else { 2296 if ((err = snd_via8233_pcm_new(chip)) < 0) 2297 goto __error; 2298 if (dxs_support == VIA_DXS_48K) 2299 chip->dxs_fixed = 1; 2300 else if (dxs_support == VIA_DXS_NO_VRA) 2301 chip->no_vra = 1; 2302 else if (dxs_support == VIA_DXS_SRC) { 2303 chip->no_vra = 1; 2304 chip->dxs_src = 1; 2305 } 2306 } 2307 if ((err = snd_via8233_init_misc(chip)) < 0) 2308 goto __error; 2309 } 2310 2311 snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip); 2312 2313 /* disable interrupts */ 2314 for (i = 0; i < chip->num_devs; i++) 2315 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2316 2317 snprintf(card->longname, sizeof(card->longname), 2318 "%s with %s at %#lx, irq %d", card->shortname, 2319 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2320 2321 snd_via82xx_proc_init(chip); 2322 2323 if ((err = snd_card_register(card)) < 0) { 2324 snd_card_free(card); 2325 return err; 2326 } 2327 pci_set_drvdata(pci, card); 2328 return 0; 2329 2330 __error: 2331 snd_card_free(card); 2332 return err; 2333 } 2334 2335 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2336 { 2337 snd_card_free(pci_get_drvdata(pci)); 2338 pci_set_drvdata(pci, NULL); 2339 } 2340 2341 static struct pci_driver driver = { 2342 .name = "VIA 82xx Audio", 2343 .owner = THIS_MODULE, 2344 .id_table = snd_via82xx_ids, 2345 .probe = snd_via82xx_probe, 2346 .remove = __devexit_p(snd_via82xx_remove), 2347 SND_PCI_PM_CALLBACKS 2348 }; 2349 2350 static int __init alsa_card_via82xx_init(void) 2351 { 2352 return pci_register_driver(&driver); 2353 } 2354 2355 static void __exit alsa_card_via82xx_exit(void) 2356 { 2357 pci_unregister_driver(&driver); 2358 } 2359 2360 module_init(alsa_card_via82xx_init) 2361 module_exit(alsa_card_via82xx_exit) 2362