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