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_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 77 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 78 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 79 static long mpu_port[SNDRV_CARDS]; 80 #ifdef SUPPORT_JOYSTICK 81 static int joystick[SNDRV_CARDS]; 82 #endif 83 static int ac97_clock[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 48000}; 84 static char *ac97_quirk[SNDRV_CARDS]; 85 static int dxs_support[SNDRV_CARDS]; 86 87 module_param_array(index, int, NULL, 0444); 88 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 89 module_param_array(id, charp, NULL, 0444); 90 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 91 module_param_array(enable, bool, NULL, 0444); 92 MODULE_PARM_DESC(enable, "Enable audio part of VIA 82xx bridge."); 93 module_param_array(mpu_port, long, NULL, 0444); 94 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 95 #ifdef SUPPORT_JOYSTICK 96 module_param_array(joystick, bool, NULL, 0444); 97 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 98 #endif 99 module_param_array(ac97_clock, int, NULL, 0444); 100 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 101 module_param_array(ac97_quirk, charp, NULL, 0444); 102 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 103 module_param_array(dxs_support, int, NULL, 0444); 104 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)"); 105 106 107 /* revision numbers for via686 */ 108 #define VIA_REV_686_A 0x10 109 #define VIA_REV_686_B 0x11 110 #define VIA_REV_686_C 0x12 111 #define VIA_REV_686_D 0x13 112 #define VIA_REV_686_E 0x14 113 #define VIA_REV_686_H 0x20 114 115 /* revision numbers for via8233 */ 116 #define VIA_REV_PRE_8233 0x10 /* not in market */ 117 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 118 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 119 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 120 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 121 #define VIA_REV_8237 0x60 122 123 /* 124 * Direct registers 125 */ 126 127 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 128 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 129 130 /* common offsets */ 131 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 132 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 133 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 134 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 135 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 136 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 137 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 138 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 139 #define VIA_REG_CTRL_START 0x80 /* WO */ 140 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 141 #define VIA_REG_CTRL_AUTOSTART 0x20 142 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 143 #define VIA_REG_CTRL_INT_STOP 0x04 144 #define VIA_REG_CTRL_INT_EOL 0x02 145 #define VIA_REG_CTRL_INT_FLAG 0x01 146 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 147 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 148 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 149 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 150 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 151 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 152 #define VIA_REG_TYPE_INT_LLINE 0x00 153 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 154 #define VIA_REG_TYPE_INT_LESSONE 0x08 155 #define VIA_REG_TYPE_INT_MASK 0x0c 156 #define VIA_REG_TYPE_INT_EOL 0x02 157 #define VIA_REG_TYPE_INT_FLAG 0x01 158 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 159 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 160 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 161 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 162 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 163 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 164 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 165 166 #define DEFINE_VIA_REGSET(name,val) \ 167 enum {\ 168 VIA_REG_##name##_STATUS = (val),\ 169 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 170 VIA_REG_##name##_TYPE = (val) + 0x02,\ 171 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 172 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 173 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 174 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 175 } 176 177 /* playback block */ 178 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 179 DEFINE_VIA_REGSET(CAPTURE, 0x10); 180 DEFINE_VIA_REGSET(FM, 0x20); 181 182 /* AC'97 */ 183 #define VIA_REG_AC97 0x80 /* dword */ 184 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 185 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 186 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 187 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 188 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 189 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 190 #define VIA_REG_AC97_BUSY (1<<24) 191 #define VIA_REG_AC97_READ (1<<23) 192 #define VIA_REG_AC97_CMD_SHIFT 16 193 #define VIA_REG_AC97_CMD_MASK 0x7e 194 #define VIA_REG_AC97_DATA_SHIFT 0 195 #define VIA_REG_AC97_DATA_MASK 0xffff 196 197 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 198 /* via686 */ 199 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 200 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 201 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 202 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 203 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 204 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 205 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 206 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 207 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 208 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 209 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 210 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 211 /* via8233 */ 212 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 213 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 214 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 215 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 216 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 217 #define VIA8233_REG_SGD_CHAN_SDX 0 218 #define VIA8233_REG_SGD_CHAN_MULTI 4 219 #define VIA8233_REG_SGD_CHAN_REC 6 220 #define VIA8233_REG_SGD_CHAN_REC1 7 221 222 #define VIA_REG_GPI_STATUS 0x88 223 #define VIA_REG_GPI_INTR 0x8c 224 225 /* multi-channel and capture registers for via8233 */ 226 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 227 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 228 229 /* via8233-specific registers */ 230 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 231 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 232 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 233 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 234 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 235 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 236 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 237 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 238 239 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 240 241 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 242 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 243 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 244 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 245 246 #define VIA_TBL_BIT_FLAG 0x40000000 247 #define VIA_TBL_BIT_EOL 0x80000000 248 249 /* pci space */ 250 #define VIA_ACLINK_STAT 0x40 251 #define VIA_ACLINK_C11_READY 0x20 252 #define VIA_ACLINK_C10_READY 0x10 253 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 254 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 255 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 256 #define VIA_ACLINK_CTRL 0x41 257 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 258 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 259 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 260 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 261 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 262 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 263 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 264 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 265 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 266 VIA_ACLINK_CTRL_RESET|\ 267 VIA_ACLINK_CTRL_PCM|\ 268 VIA_ACLINK_CTRL_VRA) 269 #define VIA_FUNC_ENABLE 0x42 270 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 271 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 272 #define VIA_FUNC_RX2C_WRITE 0x20 273 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 274 #define VIA_FUNC_ENABLE_GAME 0x08 275 #define VIA_FUNC_ENABLE_FM 0x04 276 #define VIA_FUNC_ENABLE_MIDI 0x02 277 #define VIA_FUNC_ENABLE_SB 0x01 278 #define VIA_PNP_CONTROL 0x43 279 #define VIA_FM_NMI_CTRL 0x48 280 #define VIA8233_VOLCHG_CTRL 0x48 281 #define VIA8233_SPDIF_CTRL 0x49 282 #define VIA8233_SPDIF_DX3 0x08 283 #define VIA8233_SPDIF_SLOT_MASK 0x03 284 #define VIA8233_SPDIF_SLOT_1011 0x00 285 #define VIA8233_SPDIF_SLOT_34 0x01 286 #define VIA8233_SPDIF_SLOT_78 0x02 287 #define VIA8233_SPDIF_SLOT_69 0x03 288 289 /* 290 */ 291 292 #define VIA_DXS_AUTO 0 293 #define VIA_DXS_ENABLE 1 294 #define VIA_DXS_DISABLE 2 295 #define VIA_DXS_48K 3 296 #define VIA_DXS_NO_VRA 4 297 #define VIA_DXS_SRC 5 298 299 300 /* 301 */ 302 303 typedef struct _snd_via82xx via82xx_t; 304 typedef struct via_dev viadev_t; 305 306 /* 307 * pcm stream 308 */ 309 310 struct snd_via_sg_table { 311 unsigned int offset; 312 unsigned int size; 313 } ; 314 315 #define VIA_TABLE_SIZE 255 316 317 struct via_dev { 318 unsigned int reg_offset; 319 unsigned long port; 320 int direction; /* playback = 0, capture = 1 */ 321 snd_pcm_substream_t *substream; 322 int running; 323 unsigned int tbl_entries; /* # descriptors */ 324 struct snd_dma_buffer table; 325 struct snd_via_sg_table *idx_table; 326 /* for recovery from the unexpected pointer */ 327 unsigned int lastpos; 328 unsigned int fragsize; 329 unsigned int bufsize; 330 unsigned int bufsize2; 331 }; 332 333 334 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 335 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 336 337 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 338 339 struct via_rate_lock { 340 spinlock_t lock; 341 int rate; 342 int used; 343 }; 344 345 struct _snd_via82xx { 346 int irq; 347 348 unsigned long port; 349 struct resource *mpu_res; 350 int chip_type; 351 unsigned char revision; 352 353 unsigned char old_legacy; 354 unsigned char old_legacy_cfg; 355 #ifdef CONFIG_PM 356 unsigned char legacy_saved; 357 unsigned char legacy_cfg_saved; 358 unsigned char spdif_ctrl_saved; 359 unsigned char capture_src_saved[2]; 360 unsigned int mpu_port_saved; 361 #endif 362 363 unsigned char playback_volume[2]; /* for VIA8233/C/8235; default = 0 */ 364 365 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 366 367 struct pci_dev *pci; 368 snd_card_t *card; 369 370 unsigned int num_devs; 371 unsigned int playback_devno, multi_devno, capture_devno; 372 viadev_t devs[VIA_MAX_DEVS]; 373 struct via_rate_lock rates[2]; /* playback and capture */ 374 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 375 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 376 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 377 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 378 379 snd_pcm_t *pcms[2]; 380 snd_rawmidi_t *rmidi; 381 382 ac97_bus_t *ac97_bus; 383 ac97_t *ac97; 384 unsigned int ac97_clock; 385 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 386 387 spinlock_t reg_lock; 388 snd_info_entry_t *proc_entry; 389 390 #ifdef SUPPORT_JOYSTICK 391 struct gameport *gameport; 392 #endif 393 }; 394 395 static struct pci_device_id snd_via82xx_ids[] = { 396 { 0x1106, 0x3058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 397 { 0x1106, 0x3059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 398 { 0, } 399 }; 400 401 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 402 403 /* 404 */ 405 406 /* 407 * allocate and initialize the descriptor buffers 408 * periods = number of periods 409 * fragsize = period size in bytes 410 */ 411 static int build_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 412 struct pci_dev *pci, 413 unsigned int periods, unsigned int fragsize) 414 { 415 unsigned int i, idx, ofs, rest; 416 via82xx_t *chip = snd_pcm_substream_chip(substream); 417 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 418 419 if (dev->table.area == NULL) { 420 /* the start of each lists must be aligned to 8 bytes, 421 * but the kernel pages are much bigger, so we don't care 422 */ 423 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 424 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 425 &dev->table) < 0) 426 return -ENOMEM; 427 } 428 if (! dev->idx_table) { 429 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 430 if (! dev->idx_table) 431 return -ENOMEM; 432 } 433 434 /* fill the entries */ 435 idx = 0; 436 ofs = 0; 437 for (i = 0; i < periods; i++) { 438 rest = fragsize; 439 /* fill descriptors for a period. 440 * a period can be split to several descriptors if it's 441 * over page boundary. 442 */ 443 do { 444 unsigned int r; 445 unsigned int flag; 446 447 if (idx >= VIA_TABLE_SIZE) { 448 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 449 return -EINVAL; 450 } 451 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 452 r = PAGE_SIZE - (ofs % PAGE_SIZE); 453 if (rest < r) 454 r = rest; 455 rest -= r; 456 if (! rest) { 457 if (i == periods - 1) 458 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 459 else 460 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 461 } else 462 flag = 0; /* period continues to the next */ 463 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 464 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 465 dev->idx_table[idx].offset = ofs; 466 dev->idx_table[idx].size = r; 467 ofs += r; 468 idx++; 469 } while (rest > 0); 470 } 471 dev->tbl_entries = idx; 472 dev->bufsize = periods * fragsize; 473 dev->bufsize2 = dev->bufsize / 2; 474 dev->fragsize = fragsize; 475 return 0; 476 } 477 478 479 static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 480 struct pci_dev *pci) 481 { 482 if (dev->table.area) { 483 snd_dma_free_pages(&dev->table); 484 dev->table.area = NULL; 485 } 486 kfree(dev->idx_table); 487 dev->idx_table = NULL; 488 return 0; 489 } 490 491 /* 492 * Basic I/O 493 */ 494 495 static inline unsigned int snd_via82xx_codec_xread(via82xx_t *chip) 496 { 497 return inl(VIAREG(chip, AC97)); 498 } 499 500 static inline void snd_via82xx_codec_xwrite(via82xx_t *chip, unsigned int val) 501 { 502 outl(val, VIAREG(chip, AC97)); 503 } 504 505 static int snd_via82xx_codec_ready(via82xx_t *chip, int secondary) 506 { 507 unsigned int timeout = 1000; /* 1ms */ 508 unsigned int val; 509 510 while (timeout-- > 0) { 511 udelay(1); 512 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 513 return val & 0xffff; 514 } 515 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_via82xx_codec_xread(chip)); 516 return -EIO; 517 } 518 519 static int snd_via82xx_codec_valid(via82xx_t *chip, int secondary) 520 { 521 unsigned int timeout = 1000; /* 1ms */ 522 unsigned int val, val1; 523 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 524 VIA_REG_AC97_SECONDARY_VALID; 525 526 while (timeout-- > 0) { 527 val = snd_via82xx_codec_xread(chip); 528 val1 = val & (VIA_REG_AC97_BUSY | stat); 529 if (val1 == stat) 530 return val & 0xffff; 531 udelay(1); 532 } 533 return -EIO; 534 } 535 536 static void snd_via82xx_codec_wait(ac97_t *ac97) 537 { 538 via82xx_t *chip = ac97->private_data; 539 int err; 540 err = snd_via82xx_codec_ready(chip, ac97->num); 541 /* here we need to wait fairly for long time.. */ 542 msleep(500); 543 } 544 545 static void snd_via82xx_codec_write(ac97_t *ac97, 546 unsigned short reg, 547 unsigned short val) 548 { 549 via82xx_t *chip = ac97->private_data; 550 unsigned int xval; 551 552 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 553 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 554 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 555 xval |= val << VIA_REG_AC97_DATA_SHIFT; 556 snd_via82xx_codec_xwrite(chip, xval); 557 snd_via82xx_codec_ready(chip, ac97->num); 558 } 559 560 static unsigned short snd_via82xx_codec_read(ac97_t *ac97, unsigned short reg) 561 { 562 via82xx_t *chip = ac97->private_data; 563 unsigned int xval, val = 0xffff; 564 int again = 0; 565 566 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 567 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 568 xval |= VIA_REG_AC97_READ; 569 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 570 while (1) { 571 if (again++ > 3) { 572 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", ac97->num, snd_via82xx_codec_xread(chip)); 573 return 0xffff; 574 } 575 snd_via82xx_codec_xwrite(chip, xval); 576 udelay (20); 577 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 578 udelay(25); 579 val = snd_via82xx_codec_xread(chip); 580 break; 581 } 582 } 583 return val & 0xffff; 584 } 585 586 static void snd_via82xx_channel_reset(via82xx_t *chip, viadev_t *viadev) 587 { 588 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 589 VIADEV_REG(viadev, OFFSET_CONTROL)); 590 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 591 udelay(50); 592 /* disable interrupts */ 593 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 594 /* clear interrupts */ 595 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 596 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 597 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 598 viadev->lastpos = 0; 599 } 600 601 602 /* 603 * Interrupt handler 604 */ 605 606 static irqreturn_t snd_via82xx_interrupt(int irq, void *dev_id, struct pt_regs *regs) 607 { 608 via82xx_t *chip = dev_id; 609 unsigned int status; 610 unsigned int i; 611 612 status = inl(VIAREG(chip, SGD_SHADOW)); 613 if (! (status & chip->intr_mask)) { 614 if (chip->rmidi) 615 /* check mpu401 interrupt */ 616 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); 617 return IRQ_NONE; 618 } 619 620 /* check status for each stream */ 621 spin_lock(&chip->reg_lock); 622 for (i = 0; i < chip->num_devs; i++) { 623 viadev_t *viadev = &chip->devs[i]; 624 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 625 c_status &= (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED); 626 if (! c_status) 627 continue; 628 if (viadev->substream && viadev->running) { 629 spin_unlock(&chip->reg_lock); 630 snd_pcm_period_elapsed(viadev->substream); 631 spin_lock(&chip->reg_lock); 632 } 633 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 634 } 635 spin_unlock(&chip->reg_lock); 636 return IRQ_HANDLED; 637 } 638 639 /* 640 * PCM callbacks 641 */ 642 643 /* 644 * trigger callback 645 */ 646 static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd) 647 { 648 via82xx_t *chip = snd_pcm_substream_chip(substream); 649 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 650 unsigned char val; 651 652 if (chip->chip_type != TYPE_VIA686) 653 val = VIA_REG_CTRL_INT; 654 else 655 val = 0; 656 switch (cmd) { 657 case SNDRV_PCM_TRIGGER_START: 658 case SNDRV_PCM_TRIGGER_RESUME: 659 val |= VIA_REG_CTRL_START; 660 viadev->running = 1; 661 break; 662 case SNDRV_PCM_TRIGGER_STOP: 663 case SNDRV_PCM_TRIGGER_SUSPEND: 664 val = VIA_REG_CTRL_TERMINATE; 665 viadev->running = 0; 666 break; 667 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 668 val |= VIA_REG_CTRL_PAUSE; 669 viadev->running = 0; 670 break; 671 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 672 viadev->running = 1; 673 break; 674 default: 675 return -EINVAL; 676 } 677 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 678 if (cmd == SNDRV_PCM_TRIGGER_STOP) 679 snd_via82xx_channel_reset(chip, viadev); 680 return 0; 681 } 682 683 684 /* 685 * pointer callbacks 686 */ 687 688 /* 689 * calculate the linear position at the given sg-buffer index and the rest count 690 */ 691 692 #define check_invalid_pos(viadev,pos) \ 693 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2)) 694 695 static inline unsigned int calc_linear_pos(viadev_t *viadev, unsigned int idx, unsigned int count) 696 { 697 unsigned int size, base, res; 698 699 size = viadev->idx_table[idx].size; 700 base = viadev->idx_table[idx].offset; 701 res = base + size - count; 702 703 /* check the validity of the calculated position */ 704 if (size < count) { 705 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", (int)size, (int)count); 706 res = viadev->lastpos; 707 } else { 708 if (! count) { 709 /* Some mobos report count = 0 on the DMA boundary, 710 * i.e. count = size indeed. 711 * Let's check whether this step is above the expected size. 712 */ 713 int delta = res - viadev->lastpos; 714 if (delta < 0) 715 delta += viadev->bufsize; 716 if ((unsigned int)delta > viadev->fragsize) 717 res = base; 718 } 719 if (check_invalid_pos(viadev, res)) { 720 #ifdef POINTER_DEBUG 721 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); 722 #endif 723 /* count register returns full size when end of buffer is reached */ 724 res = base + size; 725 if (check_invalid_pos(viadev, res)) { 726 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 727 res = viadev->lastpos; 728 } 729 } 730 } 731 viadev->lastpos = res; /* remember the last position */ 732 if (res >= viadev->bufsize) 733 res -= viadev->bufsize; 734 return res; 735 } 736 737 /* 738 * get the current pointer on via686 739 */ 740 static snd_pcm_uframes_t snd_via686_pcm_pointer(snd_pcm_substream_t *substream) 741 { 742 via82xx_t *chip = snd_pcm_substream_chip(substream); 743 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 744 unsigned int idx, ptr, count, res; 745 746 snd_assert(viadev->tbl_entries, return 0); 747 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 748 return 0; 749 750 spin_lock(&chip->reg_lock); 751 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 752 /* The via686a does not have the current index register, 753 * so we need to calculate the index from CURR_PTR. 754 */ 755 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 756 if (ptr <= (unsigned int)viadev->table.addr) 757 idx = 0; 758 else /* CURR_PTR holds the address + 8 */ 759 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 760 res = calc_linear_pos(viadev, idx, count); 761 spin_unlock(&chip->reg_lock); 762 763 return bytes_to_frames(substream->runtime, res); 764 } 765 766 /* 767 * get the current pointer on via823x 768 */ 769 static snd_pcm_uframes_t snd_via8233_pcm_pointer(snd_pcm_substream_t *substream) 770 { 771 via82xx_t *chip = snd_pcm_substream_chip(substream); 772 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 773 unsigned int idx, count, res; 774 int timeout = 5000; 775 776 snd_assert(viadev->tbl_entries, return 0); 777 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 778 return 0; 779 spin_lock(&chip->reg_lock); 780 do { 781 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 782 /* some mobos read 0 count */ 783 if ((count & 0xffffff) || ! viadev->running) 784 break; 785 } while (--timeout); 786 if (! timeout) 787 snd_printd(KERN_ERR "zero position is read\n"); 788 idx = count >> 24; 789 if (idx >= viadev->tbl_entries) { 790 #ifdef POINTER_DEBUG 791 printk("fail: invalid idx = %i/%i\n", idx, viadev->tbl_entries); 792 #endif 793 res = viadev->lastpos; 794 } else { 795 count &= 0xffffff; 796 res = calc_linear_pos(viadev, idx, count); 797 } 798 spin_unlock(&chip->reg_lock); 799 800 return bytes_to_frames(substream->runtime, res); 801 } 802 803 804 /* 805 * hw_params callback: 806 * allocate the buffer and build up the buffer description table 807 */ 808 static int snd_via82xx_hw_params(snd_pcm_substream_t * substream, 809 snd_pcm_hw_params_t * hw_params) 810 { 811 via82xx_t *chip = snd_pcm_substream_chip(substream); 812 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 813 int err; 814 815 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 816 if (err < 0) 817 return err; 818 err = build_via_table(viadev, substream, chip->pci, 819 params_periods(hw_params), 820 params_period_bytes(hw_params)); 821 if (err < 0) 822 return err; 823 824 return 0; 825 } 826 827 /* 828 * hw_free callback: 829 * clean up the buffer description table and release the buffer 830 */ 831 static int snd_via82xx_hw_free(snd_pcm_substream_t * substream) 832 { 833 via82xx_t *chip = snd_pcm_substream_chip(substream); 834 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 835 836 clean_via_table(viadev, substream, chip->pci); 837 snd_pcm_lib_free_pages(substream); 838 return 0; 839 } 840 841 842 /* 843 * set up the table pointer 844 */ 845 static void snd_via82xx_set_table_ptr(via82xx_t *chip, viadev_t *viadev) 846 { 847 snd_via82xx_codec_ready(chip, 0); 848 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 849 udelay(20); 850 snd_via82xx_codec_ready(chip, 0); 851 } 852 853 /* 854 * prepare callback for playback and capture on via686 855 */ 856 static void via686_setup_format(via82xx_t *chip, viadev_t *viadev, snd_pcm_runtime_t *runtime) 857 { 858 snd_via82xx_channel_reset(chip, viadev); 859 /* this must be set after channel_reset */ 860 snd_via82xx_set_table_ptr(chip, viadev); 861 outb(VIA_REG_TYPE_AUTOSTART | 862 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 863 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 864 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 865 VIA_REG_TYPE_INT_EOL | 866 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 867 } 868 869 static int snd_via686_playback_prepare(snd_pcm_substream_t *substream) 870 { 871 via82xx_t *chip = snd_pcm_substream_chip(substream); 872 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 873 snd_pcm_runtime_t *runtime = substream->runtime; 874 875 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 876 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 877 via686_setup_format(chip, viadev, runtime); 878 return 0; 879 } 880 881 static int snd_via686_capture_prepare(snd_pcm_substream_t *substream) 882 { 883 via82xx_t *chip = snd_pcm_substream_chip(substream); 884 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 885 snd_pcm_runtime_t *runtime = substream->runtime; 886 887 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 888 via686_setup_format(chip, viadev, runtime); 889 return 0; 890 } 891 892 /* 893 * lock the current rate 894 */ 895 static int via_lock_rate(struct via_rate_lock *rec, int rate) 896 { 897 int changed = 0; 898 899 spin_lock_irq(&rec->lock); 900 if (rec->rate != rate) { 901 if (rec->rate && rec->used > 1) /* already set */ 902 changed = -EINVAL; 903 else { 904 rec->rate = rate; 905 changed = 1; 906 } 907 } 908 spin_unlock_irq(&rec->lock); 909 return changed; 910 } 911 912 /* 913 * prepare callback for DSX playback on via823x 914 */ 915 static int snd_via8233_playback_prepare(snd_pcm_substream_t *substream) 916 { 917 via82xx_t *chip = snd_pcm_substream_chip(substream); 918 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 919 snd_pcm_runtime_t *runtime = substream->runtime; 920 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 921 int rate_changed; 922 u32 rbits; 923 924 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 925 return rate_changed; 926 if (rate_changed) 927 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 928 chip->no_vra ? 48000 : runtime->rate); 929 if (chip->spdif_on && viadev->reg_offset == 0x30) 930 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 931 932 if (runtime->rate == 48000) 933 rbits = 0xfffff; 934 else 935 rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; 936 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 937 snd_via82xx_channel_reset(chip, viadev); 938 snd_via82xx_set_table_ptr(chip, viadev); 939 outb(chip->playback_volume[0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 940 outb(chip->playback_volume[1], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 941 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 942 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 943 rbits | /* rate */ 944 0xff000000, /* STOP index is never reached */ 945 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 946 udelay(20); 947 snd_via82xx_codec_ready(chip, 0); 948 return 0; 949 } 950 951 /* 952 * prepare callback for multi-channel playback on via823x 953 */ 954 static int snd_via8233_multi_prepare(snd_pcm_substream_t *substream) 955 { 956 via82xx_t *chip = snd_pcm_substream_chip(substream); 957 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 958 snd_pcm_runtime_t *runtime = substream->runtime; 959 unsigned int slots; 960 int fmt; 961 962 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 963 return -EINVAL; 964 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 965 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 966 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 967 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 968 snd_via82xx_channel_reset(chip, viadev); 969 snd_via82xx_set_table_ptr(chip, viadev); 970 971 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 972 fmt |= runtime->channels << 4; 973 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 974 #if 0 975 if (chip->revision == VIA_REV_8233A) 976 slots = 0; 977 else 978 #endif 979 { 980 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 981 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 982 switch (runtime->channels) { 983 case 1: slots = (1<<0) | (1<<4); break; 984 case 2: slots = (1<<0) | (2<<4); break; 985 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 986 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 987 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 988 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 989 default: slots = 0; break; 990 } 991 } 992 /* STOP index is never reached */ 993 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 994 udelay(20); 995 snd_via82xx_codec_ready(chip, 0); 996 return 0; 997 } 998 999 /* 1000 * prepare callback for capture on via823x 1001 */ 1002 static int snd_via8233_capture_prepare(snd_pcm_substream_t *substream) 1003 { 1004 via82xx_t *chip = snd_pcm_substream_chip(substream); 1005 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1006 snd_pcm_runtime_t *runtime = substream->runtime; 1007 1008 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1009 return -EINVAL; 1010 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1011 snd_via82xx_channel_reset(chip, viadev); 1012 snd_via82xx_set_table_ptr(chip, viadev); 1013 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1014 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1015 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1016 0xff000000, /* STOP index is never reached */ 1017 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1018 udelay(20); 1019 snd_via82xx_codec_ready(chip, 0); 1020 return 0; 1021 } 1022 1023 1024 /* 1025 * pcm hardware definition, identical for both playback and capture 1026 */ 1027 static snd_pcm_hardware_t snd_via82xx_hw = 1028 { 1029 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1030 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1031 SNDRV_PCM_INFO_MMAP_VALID | 1032 /* SNDRV_PCM_INFO_RESUME | */ 1033 SNDRV_PCM_INFO_PAUSE), 1034 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1035 .rates = SNDRV_PCM_RATE_48000, 1036 .rate_min = 48000, 1037 .rate_max = 48000, 1038 .channels_min = 1, 1039 .channels_max = 2, 1040 .buffer_bytes_max = 128 * 1024, 1041 .period_bytes_min = 32, 1042 .period_bytes_max = 128 * 1024, 1043 .periods_min = 2, 1044 .periods_max = VIA_TABLE_SIZE / 2, 1045 .fifo_size = 0, 1046 }; 1047 1048 1049 /* 1050 * open callback skeleton 1051 */ 1052 static int snd_via82xx_pcm_open(via82xx_t *chip, viadev_t *viadev, snd_pcm_substream_t * substream) 1053 { 1054 snd_pcm_runtime_t *runtime = substream->runtime; 1055 int err; 1056 struct via_rate_lock *ratep; 1057 1058 runtime->hw = snd_via82xx_hw; 1059 1060 /* set the hw rate condition */ 1061 ratep = &chip->rates[viadev->direction]; 1062 spin_lock_irq(&ratep->lock); 1063 ratep->used++; 1064 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1065 /* DXS#3 and spdif is on */ 1066 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1067 snd_pcm_limit_hw_rates(runtime); 1068 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1069 /* fixed DXS playback rate */ 1070 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1071 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1072 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1073 /* use full SRC capabilities of DXS */ 1074 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1075 SNDRV_PCM_RATE_8000_48000); 1076 runtime->hw.rate_min = 8000; 1077 runtime->hw.rate_max = 48000; 1078 } else if (! ratep->rate) { 1079 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1080 runtime->hw.rates = chip->ac97->rates[idx]; 1081 snd_pcm_limit_hw_rates(runtime); 1082 } else { 1083 /* a fixed rate */ 1084 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1085 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1086 } 1087 spin_unlock_irq(&ratep->lock); 1088 1089 /* we may remove following constaint when we modify table entries 1090 in interrupt */ 1091 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1092 return err; 1093 1094 runtime->private_data = viadev; 1095 viadev->substream = substream; 1096 1097 return 0; 1098 } 1099 1100 1101 /* 1102 * open callback for playback on via686 and via823x DSX 1103 */ 1104 static int snd_via82xx_playback_open(snd_pcm_substream_t * substream) 1105 { 1106 via82xx_t *chip = snd_pcm_substream_chip(substream); 1107 viadev_t *viadev = &chip->devs[chip->playback_devno + substream->number]; 1108 int err; 1109 1110 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1111 return err; 1112 return 0; 1113 } 1114 1115 /* 1116 * open callback for playback on via823x multi-channel 1117 */ 1118 static int snd_via8233_multi_open(snd_pcm_substream_t * substream) 1119 { 1120 via82xx_t *chip = snd_pcm_substream_chip(substream); 1121 viadev_t *viadev = &chip->devs[chip->multi_devno]; 1122 int err; 1123 /* channels constraint for VIA8233A 1124 * 3 and 5 channels are not supported 1125 */ 1126 static unsigned int channels[] = { 1127 1, 2, 4, 6 1128 }; 1129 static snd_pcm_hw_constraint_list_t hw_constraints_channels = { 1130 .count = ARRAY_SIZE(channels), 1131 .list = channels, 1132 .mask = 0, 1133 }; 1134 1135 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1136 return err; 1137 substream->runtime->hw.channels_max = 6; 1138 if (chip->revision == VIA_REV_8233A) 1139 snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); 1140 return 0; 1141 } 1142 1143 /* 1144 * open callback for capture on via686 and via823x 1145 */ 1146 static int snd_via82xx_capture_open(snd_pcm_substream_t * substream) 1147 { 1148 via82xx_t *chip = snd_pcm_substream_chip(substream); 1149 viadev_t *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1150 1151 return snd_via82xx_pcm_open(chip, viadev, substream); 1152 } 1153 1154 /* 1155 * close callback 1156 */ 1157 static int snd_via82xx_pcm_close(snd_pcm_substream_t * substream) 1158 { 1159 via82xx_t *chip = snd_pcm_substream_chip(substream); 1160 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1161 struct via_rate_lock *ratep; 1162 1163 /* release the rate lock */ 1164 ratep = &chip->rates[viadev->direction]; 1165 spin_lock_irq(&ratep->lock); 1166 ratep->used--; 1167 if (! ratep->used) 1168 ratep->rate = 0; 1169 spin_unlock_irq(&ratep->lock); 1170 1171 viadev->substream = NULL; 1172 return 0; 1173 } 1174 1175 1176 /* via686 playback callbacks */ 1177 static snd_pcm_ops_t snd_via686_playback_ops = { 1178 .open = snd_via82xx_playback_open, 1179 .close = snd_via82xx_pcm_close, 1180 .ioctl = snd_pcm_lib_ioctl, 1181 .hw_params = snd_via82xx_hw_params, 1182 .hw_free = snd_via82xx_hw_free, 1183 .prepare = snd_via686_playback_prepare, 1184 .trigger = snd_via82xx_pcm_trigger, 1185 .pointer = snd_via686_pcm_pointer, 1186 .page = snd_pcm_sgbuf_ops_page, 1187 }; 1188 1189 /* via686 capture callbacks */ 1190 static snd_pcm_ops_t snd_via686_capture_ops = { 1191 .open = snd_via82xx_capture_open, 1192 .close = snd_via82xx_pcm_close, 1193 .ioctl = snd_pcm_lib_ioctl, 1194 .hw_params = snd_via82xx_hw_params, 1195 .hw_free = snd_via82xx_hw_free, 1196 .prepare = snd_via686_capture_prepare, 1197 .trigger = snd_via82xx_pcm_trigger, 1198 .pointer = snd_via686_pcm_pointer, 1199 .page = snd_pcm_sgbuf_ops_page, 1200 }; 1201 1202 /* via823x DSX playback callbacks */ 1203 static snd_pcm_ops_t snd_via8233_playback_ops = { 1204 .open = snd_via82xx_playback_open, 1205 .close = snd_via82xx_pcm_close, 1206 .ioctl = snd_pcm_lib_ioctl, 1207 .hw_params = snd_via82xx_hw_params, 1208 .hw_free = snd_via82xx_hw_free, 1209 .prepare = snd_via8233_playback_prepare, 1210 .trigger = snd_via82xx_pcm_trigger, 1211 .pointer = snd_via8233_pcm_pointer, 1212 .page = snd_pcm_sgbuf_ops_page, 1213 }; 1214 1215 /* via823x multi-channel playback callbacks */ 1216 static snd_pcm_ops_t snd_via8233_multi_ops = { 1217 .open = snd_via8233_multi_open, 1218 .close = snd_via82xx_pcm_close, 1219 .ioctl = snd_pcm_lib_ioctl, 1220 .hw_params = snd_via82xx_hw_params, 1221 .hw_free = snd_via82xx_hw_free, 1222 .prepare = snd_via8233_multi_prepare, 1223 .trigger = snd_via82xx_pcm_trigger, 1224 .pointer = snd_via8233_pcm_pointer, 1225 .page = snd_pcm_sgbuf_ops_page, 1226 }; 1227 1228 /* via823x capture callbacks */ 1229 static snd_pcm_ops_t snd_via8233_capture_ops = { 1230 .open = snd_via82xx_capture_open, 1231 .close = snd_via82xx_pcm_close, 1232 .ioctl = snd_pcm_lib_ioctl, 1233 .hw_params = snd_via82xx_hw_params, 1234 .hw_free = snd_via82xx_hw_free, 1235 .prepare = snd_via8233_capture_prepare, 1236 .trigger = snd_via82xx_pcm_trigger, 1237 .pointer = snd_via8233_pcm_pointer, 1238 .page = snd_pcm_sgbuf_ops_page, 1239 }; 1240 1241 1242 static void init_viadev(via82xx_t *chip, int idx, unsigned int reg_offset, int direction) 1243 { 1244 chip->devs[idx].reg_offset = reg_offset; 1245 chip->devs[idx].direction = direction; 1246 chip->devs[idx].port = chip->port + reg_offset; 1247 } 1248 1249 /* 1250 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1251 */ 1252 static int __devinit snd_via8233_pcm_new(via82xx_t *chip) 1253 { 1254 snd_pcm_t *pcm; 1255 int i, err; 1256 1257 chip->playback_devno = 0; /* x 4 */ 1258 chip->multi_devno = 4; /* x 1 */ 1259 chip->capture_devno = 5; /* x 2 */ 1260 chip->num_devs = 7; 1261 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1262 1263 /* PCM #0: 4 DSX playbacks and 1 capture */ 1264 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1265 if (err < 0) 1266 return err; 1267 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1268 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1269 pcm->private_data = chip; 1270 strcpy(pcm->name, chip->card->shortname); 1271 chip->pcms[0] = pcm; 1272 /* set up playbacks */ 1273 for (i = 0; i < 4; i++) 1274 init_viadev(chip, i, 0x10 * i, 0); 1275 /* capture */ 1276 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1277 1278 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1279 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1280 return err; 1281 1282 /* PCM #1: multi-channel playback and 2nd capture */ 1283 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1284 if (err < 0) 1285 return err; 1286 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1287 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1288 pcm->private_data = chip; 1289 strcpy(pcm->name, chip->card->shortname); 1290 chip->pcms[1] = pcm; 1291 /* set up playback */ 1292 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1293 /* set up capture */ 1294 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 1); 1295 1296 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1297 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1298 return err; 1299 1300 return 0; 1301 } 1302 1303 /* 1304 * create pcm instances for VIA8233A 1305 */ 1306 static int __devinit snd_via8233a_pcm_new(via82xx_t *chip) 1307 { 1308 snd_pcm_t *pcm; 1309 int err; 1310 1311 chip->multi_devno = 0; 1312 chip->playback_devno = 1; 1313 chip->capture_devno = 2; 1314 chip->num_devs = 3; 1315 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1316 1317 /* PCM #0: multi-channel playback and capture */ 1318 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1319 if (err < 0) 1320 return err; 1321 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1322 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1323 pcm->private_data = chip; 1324 strcpy(pcm->name, chip->card->shortname); 1325 chip->pcms[0] = pcm; 1326 /* set up playback */ 1327 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1328 /* capture */ 1329 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1330 1331 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1332 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1333 return err; 1334 1335 /* SPDIF supported? */ 1336 if (! ac97_can_spdif(chip->ac97)) 1337 return 0; 1338 1339 /* PCM #1: DXS3 playback (for spdif) */ 1340 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1341 if (err < 0) 1342 return err; 1343 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1344 pcm->private_data = chip; 1345 strcpy(pcm->name, chip->card->shortname); 1346 chip->pcms[1] = pcm; 1347 /* set up playback */ 1348 init_viadev(chip, chip->playback_devno, 0x30, 0); 1349 1350 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1351 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1352 return err; 1353 1354 return 0; 1355 } 1356 1357 /* 1358 * create a pcm instance for via686a/b 1359 */ 1360 static int __devinit snd_via686_pcm_new(via82xx_t *chip) 1361 { 1362 snd_pcm_t *pcm; 1363 int err; 1364 1365 chip->playback_devno = 0; 1366 chip->capture_devno = 1; 1367 chip->num_devs = 2; 1368 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1369 1370 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1371 if (err < 0) 1372 return err; 1373 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1374 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1375 pcm->private_data = chip; 1376 strcpy(pcm->name, chip->card->shortname); 1377 chip->pcms[0] = pcm; 1378 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0); 1379 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 1); 1380 1381 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1382 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1383 return err; 1384 1385 return 0; 1386 } 1387 1388 1389 /* 1390 * Mixer part 1391 */ 1392 1393 static int snd_via8233_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1394 { 1395 /* formerly they were "Line" and "Mic", but it looks like that they 1396 * have nothing to do with the actual physical connections... 1397 */ 1398 static char *texts[2] = { 1399 "Input1", "Input2" 1400 }; 1401 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1402 uinfo->count = 1; 1403 uinfo->value.enumerated.items = 2; 1404 if (uinfo->value.enumerated.item >= 2) 1405 uinfo->value.enumerated.item = 1; 1406 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1407 return 0; 1408 } 1409 1410 static int snd_via8233_capture_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1411 { 1412 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1413 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1414 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1415 return 0; 1416 } 1417 1418 static int snd_via8233_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1419 { 1420 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1421 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1422 u8 val, oval; 1423 1424 spin_lock_irq(&chip->reg_lock); 1425 oval = inb(port); 1426 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1427 if (ucontrol->value.enumerated.item[0]) 1428 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1429 if (val != oval) 1430 outb(val, port); 1431 spin_unlock_irq(&chip->reg_lock); 1432 return val != oval; 1433 } 1434 1435 static snd_kcontrol_new_t snd_via8233_capture_source __devinitdata = { 1436 .name = "Input Source Select", 1437 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1438 .info = snd_via8233_capture_source_info, 1439 .get = snd_via8233_capture_source_get, 1440 .put = snd_via8233_capture_source_put, 1441 }; 1442 1443 static int snd_via8233_dxs3_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1444 { 1445 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1446 uinfo->count = 1; 1447 uinfo->value.integer.min = 0; 1448 uinfo->value.integer.max = 1; 1449 return 0; 1450 } 1451 1452 static int snd_via8233_dxs3_spdif_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1453 { 1454 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1455 u8 val; 1456 1457 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1458 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1459 return 0; 1460 } 1461 1462 static int snd_via8233_dxs3_spdif_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1463 { 1464 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1465 u8 val, oval; 1466 1467 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1468 val = oval & ~VIA8233_SPDIF_DX3; 1469 if (ucontrol->value.integer.value[0]) 1470 val |= VIA8233_SPDIF_DX3; 1471 /* save the spdif flag for rate filtering */ 1472 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1473 if (val != oval) { 1474 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1475 return 1; 1476 } 1477 return 0; 1478 } 1479 1480 static snd_kcontrol_new_t snd_via8233_dxs3_spdif_control __devinitdata = { 1481 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1482 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1483 .info = snd_via8233_dxs3_spdif_info, 1484 .get = snd_via8233_dxs3_spdif_get, 1485 .put = snd_via8233_dxs3_spdif_put, 1486 }; 1487 1488 static int snd_via8233_dxs_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1489 { 1490 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1491 uinfo->count = 2; 1492 uinfo->value.integer.min = 0; 1493 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1494 return 0; 1495 } 1496 1497 static int snd_via8233_dxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1498 { 1499 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1500 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[0]; 1501 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[1]; 1502 return 0; 1503 } 1504 1505 static int snd_via8233_dxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1506 { 1507 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1508 unsigned int idx; 1509 unsigned char val; 1510 int i, change = 0; 1511 1512 for (i = 0; i < 2; i++) { 1513 val = ucontrol->value.integer.value[i]; 1514 if (val > VIA_DXS_MAX_VOLUME) 1515 val = VIA_DXS_MAX_VOLUME; 1516 val = VIA_DXS_MAX_VOLUME - val; 1517 if (val != chip->playback_volume[i]) { 1518 change = 1; 1519 chip->playback_volume[i] = val; 1520 for (idx = 0; idx < 4; idx++) { 1521 unsigned long port = chip->port + 0x10 * idx; 1522 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1523 } 1524 } 1525 } 1526 return change; 1527 } 1528 1529 static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = { 1530 .name = "PCM Playback Volume", 1531 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1532 .info = snd_via8233_dxs_volume_info, 1533 .get = snd_via8233_dxs_volume_get, 1534 .put = snd_via8233_dxs_volume_put, 1535 }; 1536 1537 /* 1538 */ 1539 1540 static void snd_via82xx_mixer_free_ac97_bus(ac97_bus_t *bus) 1541 { 1542 via82xx_t *chip = bus->private_data; 1543 chip->ac97_bus = NULL; 1544 } 1545 1546 static void snd_via82xx_mixer_free_ac97(ac97_t *ac97) 1547 { 1548 via82xx_t *chip = ac97->private_data; 1549 chip->ac97 = NULL; 1550 } 1551 1552 static struct ac97_quirk ac97_quirks[] = { 1553 { 1554 .subvendor = 0x1106, 1555 .subdevice = 0x4161, 1556 .codec_id = 0x56494161, /* VT1612A */ 1557 .name = "Soltek SL-75DRV5", 1558 .type = AC97_TUNE_NONE 1559 }, 1560 { /* FIXME: which codec? */ 1561 .subvendor = 0x1106, 1562 .subdevice = 0x4161, 1563 .name = "ASRock K7VT2", 1564 .type = AC97_TUNE_HP_ONLY 1565 }, 1566 { 1567 .subvendor = 0x1019, 1568 .subdevice = 0x0a81, 1569 .name = "ECS K7VTA3", 1570 .type = AC97_TUNE_HP_ONLY 1571 }, 1572 { 1573 .subvendor = 0x1019, 1574 .subdevice = 0x0a85, 1575 .name = "ECS L7VMM2", 1576 .type = AC97_TUNE_HP_ONLY 1577 }, 1578 { 1579 .subvendor = 0x1849, 1580 .subdevice = 0x3059, 1581 .name = "ASRock K7VM2", 1582 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1583 }, 1584 { 1585 .subvendor = 0x14cd, 1586 .subdevice = 0x7002, 1587 .name = "Unknown", 1588 .type = AC97_TUNE_ALC_JACK 1589 }, 1590 { 1591 .subvendor = 0x1071, 1592 .subdevice = 0x8590, 1593 .name = "Mitac Mobo", 1594 .type = AC97_TUNE_ALC_JACK 1595 }, 1596 { 1597 .subvendor = 0x161f, 1598 .subdevice = 0x202b, 1599 .name = "Arima Notebook", 1600 .type = AC97_TUNE_HP_ONLY, 1601 }, 1602 { } /* terminator */ 1603 }; 1604 1605 static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, const char *quirk_override) 1606 { 1607 ac97_template_t ac97; 1608 int err; 1609 static ac97_bus_ops_t ops = { 1610 .write = snd_via82xx_codec_write, 1611 .read = snd_via82xx_codec_read, 1612 .wait = snd_via82xx_codec_wait, 1613 }; 1614 1615 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1616 return err; 1617 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1618 chip->ac97_bus->clock = chip->ac97_clock; 1619 chip->ac97_bus->shared_type = AC97_SHARED_TYPE_VIA; 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 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1626 return err; 1627 1628 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1629 1630 if (chip->chip_type != TYPE_VIA686) { 1631 /* use slot 10/11 */ 1632 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1633 } 1634 1635 return 0; 1636 } 1637 1638 #ifdef SUPPORT_JOYSTICK 1639 #define JOYSTICK_ADDR 0x200 1640 static int __devinit snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1641 { 1642 struct gameport *gp; 1643 struct resource *r; 1644 1645 if (!joystick[dev]) 1646 return -ENODEV; 1647 1648 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1649 if (!r) { 1650 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", JOYSTICK_ADDR); 1651 return -EBUSY; 1652 } 1653 1654 chip->gameport = gp = gameport_allocate_port(); 1655 if (!gp) { 1656 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1657 release_resource(r); 1658 kfree_nocheck(r); 1659 return -ENOMEM; 1660 } 1661 1662 gameport_set_name(gp, "VIA686 Gameport"); 1663 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1664 gameport_set_dev_parent(gp, &chip->pci->dev); 1665 gp->io = JOYSTICK_ADDR; 1666 gameport_set_port_data(gp, r); 1667 1668 /* Enable legacy joystick port */ 1669 *legacy |= VIA_FUNC_ENABLE_GAME; 1670 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1671 1672 gameport_register_port(chip->gameport); 1673 1674 return 0; 1675 } 1676 1677 static void snd_via686_free_gameport(via82xx_t *chip) 1678 { 1679 if (chip->gameport) { 1680 struct resource *r = gameport_get_port_data(chip->gameport); 1681 1682 gameport_unregister_port(chip->gameport); 1683 chip->gameport = NULL; 1684 release_resource(r); 1685 kfree_nocheck(r); 1686 } 1687 } 1688 #else 1689 static inline int snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1690 { 1691 return -ENOSYS; 1692 } 1693 static inline void snd_via686_free_gameport(via82xx_t *chip) { } 1694 #endif 1695 1696 1697 /* 1698 * 1699 */ 1700 1701 static int __devinit snd_via8233_init_misc(via82xx_t *chip, int dev) 1702 { 1703 int i, err, caps; 1704 unsigned char val; 1705 1706 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1707 for (i = 0; i < caps; i++) { 1708 snd_via8233_capture_source.index = i; 1709 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1710 if (err < 0) 1711 return err; 1712 } 1713 if (ac97_can_spdif(chip->ac97)) { 1714 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1715 if (err < 0) 1716 return err; 1717 } 1718 if (chip->chip_type != TYPE_VIA8233A) { 1719 /* when no h/w PCM volume control is found, use DXS volume control 1720 * as the PCM vol control 1721 */ 1722 snd_ctl_elem_id_t sid; 1723 memset(&sid, 0, sizeof(sid)); 1724 strcpy(sid.name, "PCM Playback Volume"); 1725 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1726 if (! snd_ctl_find_id(chip->card, &sid)) { 1727 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1728 if (err < 0) 1729 return err; 1730 } 1731 } 1732 1733 /* select spdif data slot 10/11 */ 1734 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1735 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1736 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1737 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1738 1739 return 0; 1740 } 1741 1742 static int __devinit snd_via686_init_misc(via82xx_t *chip, int dev) 1743 { 1744 unsigned char legacy, legacy_cfg; 1745 int rev_h = 0; 1746 1747 legacy = chip->old_legacy; 1748 legacy_cfg = chip->old_legacy_cfg; 1749 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1750 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1751 if (chip->revision >= VIA_REV_686_H) { 1752 rev_h = 1; 1753 if (mpu_port[dev] >= 0x200) { /* force MIDI */ 1754 mpu_port[dev] &= 0xfffc; 1755 pci_write_config_dword(chip->pci, 0x18, mpu_port[dev] | 0x01); 1756 #ifdef CONFIG_PM 1757 chip->mpu_port_saved = mpu_port[dev]; 1758 #endif 1759 } else { 1760 mpu_port[dev] = pci_resource_start(chip->pci, 2); 1761 } 1762 } else { 1763 switch (mpu_port[dev]) { /* force MIDI */ 1764 case 0x300: 1765 case 0x310: 1766 case 0x320: 1767 case 0x330: 1768 legacy_cfg &= ~(3 << 2); 1769 legacy_cfg |= (mpu_port[dev] & 0x0030) >> 2; 1770 break; 1771 default: /* no, use BIOS settings */ 1772 if (legacy & VIA_FUNC_ENABLE_MIDI) 1773 mpu_port[dev] = 0x300 + ((legacy_cfg & 0x000c) << 2); 1774 break; 1775 } 1776 } 1777 if (mpu_port[dev] >= 0x200 && 1778 (chip->mpu_res = request_region(mpu_port[dev], 2, "VIA82xx MPU401")) != NULL) { 1779 if (rev_h) 1780 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1781 legacy |= VIA_FUNC_ENABLE_MIDI; 1782 } else { 1783 if (rev_h) 1784 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1785 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1786 mpu_port[dev] = 0; 1787 } 1788 1789 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1790 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1791 if (chip->mpu_res) { 1792 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1793 mpu_port[dev], 1, 1794 chip->irq, 0, &chip->rmidi) < 0) { 1795 printk(KERN_WARNING "unable to initialize MPU-401 at 0x%lx, skipping\n", mpu_port[dev]); 1796 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1797 } else { 1798 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 1799 } 1800 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1801 } 1802 1803 snd_via686_create_gameport(chip, dev, &legacy); 1804 1805 #ifdef CONFIG_PM 1806 chip->legacy_saved = legacy; 1807 chip->legacy_cfg_saved = legacy_cfg; 1808 #endif 1809 1810 return 0; 1811 } 1812 1813 1814 /* 1815 * proc interface 1816 */ 1817 static void snd_via82xx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) 1818 { 1819 via82xx_t *chip = entry->private_data; 1820 int i; 1821 1822 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 1823 for (i = 0; i < 0xa0; i += 4) { 1824 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 1825 } 1826 } 1827 1828 static void __devinit snd_via82xx_proc_init(via82xx_t *chip) 1829 { 1830 snd_info_entry_t *entry; 1831 1832 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 1833 snd_info_set_text_ops(entry, chip, 1024, snd_via82xx_proc_read); 1834 } 1835 1836 /* 1837 * 1838 */ 1839 1840 static int snd_via82xx_chip_init(via82xx_t *chip) 1841 { 1842 unsigned int val; 1843 unsigned long end_time; 1844 unsigned char pval; 1845 1846 #if 0 /* broken on K7M? */ 1847 if (chip->chip_type == TYPE_VIA686) 1848 /* disable all legacy ports */ 1849 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 1850 #endif 1851 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1852 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 1853 /* deassert ACLink reset, force SYNC */ 1854 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1855 VIA_ACLINK_CTRL_ENABLE | 1856 VIA_ACLINK_CTRL_RESET | 1857 VIA_ACLINK_CTRL_SYNC); 1858 udelay(100); 1859 #if 1 /* FIXME: should we do full reset here for all chip models? */ 1860 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 1861 udelay(100); 1862 #else 1863 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 1864 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1865 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 1866 udelay(2); 1867 #endif 1868 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1869 /* note - FM data out has trouble with non VRA codecs !! */ 1870 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1871 udelay(100); 1872 } 1873 1874 /* Make sure VRA is enabled, in case we didn't do a 1875 * complete codec reset, above */ 1876 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 1877 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 1878 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1879 /* note - FM data out has trouble with non VRA codecs !! */ 1880 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1881 udelay(100); 1882 } 1883 1884 /* wait until codec ready */ 1885 end_time = jiffies + msecs_to_jiffies(750); 1886 do { 1887 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1888 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 1889 break; 1890 set_current_state(TASK_UNINTERRUPTIBLE); 1891 schedule_timeout(1); 1892 } while (time_before(jiffies, end_time)); 1893 1894 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 1895 snd_printk("AC'97 codec is not ready [0x%x]\n", val); 1896 1897 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 1898 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1899 VIA_REG_AC97_SECONDARY_VALID | 1900 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1901 end_time = jiffies + msecs_to_jiffies(750); 1902 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1903 VIA_REG_AC97_SECONDARY_VALID | 1904 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1905 do { 1906 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 1907 chip->ac97_secondary = 1; 1908 goto __ac97_ok2; 1909 } 1910 set_current_state(TASK_INTERRUPTIBLE); 1911 schedule_timeout(1); 1912 } while (time_before(jiffies, end_time)); 1913 /* This is ok, the most of motherboards have only one codec */ 1914 1915 __ac97_ok2: 1916 #endif 1917 1918 if (chip->chip_type == TYPE_VIA686) { 1919 /* route FM trap to IRQ, disable FM trap */ 1920 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 1921 /* disable all GPI interrupts */ 1922 outl(0, VIAREG(chip, GPI_INTR)); 1923 } 1924 1925 if (chip->chip_type != TYPE_VIA686) { 1926 /* Workaround for Award BIOS bug: 1927 * DXS channels don't work properly with VRA if MC97 is disabled. 1928 */ 1929 struct pci_dev *pci; 1930 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 1931 if (pci) { 1932 unsigned char data; 1933 pci_read_config_byte(pci, 0x44, &data); 1934 pci_write_config_byte(pci, 0x44, data | 0x40); 1935 pci_dev_put(pci); 1936 } 1937 } 1938 1939 if (chip->chip_type != TYPE_VIA8233A) { 1940 int i, idx; 1941 for (idx = 0; idx < 4; idx++) { 1942 unsigned long port = chip->port + 0x10 * idx; 1943 for (i = 0; i < 2; i++) 1944 outb(chip->playback_volume[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1945 } 1946 } 1947 1948 return 0; 1949 } 1950 1951 #ifdef CONFIG_PM 1952 /* 1953 * power management 1954 */ 1955 static int snd_via82xx_suspend(snd_card_t *card, pm_message_t state) 1956 { 1957 via82xx_t *chip = card->pm_private_data; 1958 int i; 1959 1960 for (i = 0; i < 2; i++) 1961 if (chip->pcms[i]) 1962 snd_pcm_suspend_all(chip->pcms[i]); 1963 for (i = 0; i < chip->num_devs; i++) 1964 snd_via82xx_channel_reset(chip, &chip->devs[i]); 1965 synchronize_irq(chip->irq); 1966 snd_ac97_suspend(chip->ac97); 1967 1968 /* save misc values */ 1969 if (chip->chip_type != TYPE_VIA686) { 1970 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 1971 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 1972 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 1973 } 1974 1975 pci_set_power_state(chip->pci, 3); 1976 pci_disable_device(chip->pci); 1977 return 0; 1978 } 1979 1980 static int snd_via82xx_resume(snd_card_t *card) 1981 { 1982 via82xx_t *chip = card->pm_private_data; 1983 int i; 1984 1985 pci_enable_device(chip->pci); 1986 pci_set_power_state(chip->pci, 0); 1987 1988 snd_via82xx_chip_init(chip); 1989 1990 if (chip->chip_type == TYPE_VIA686) { 1991 if (chip->mpu_port_saved) 1992 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 1993 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 1994 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 1995 } else { 1996 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 1997 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 1998 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 1999 } 2000 2001 snd_ac97_resume(chip->ac97); 2002 2003 for (i = 0; i < chip->num_devs; i++) 2004 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2005 2006 return 0; 2007 } 2008 #endif /* CONFIG_PM */ 2009 2010 static int snd_via82xx_free(via82xx_t *chip) 2011 { 2012 unsigned int i; 2013 2014 if (chip->irq < 0) 2015 goto __end_hw; 2016 /* disable interrupts */ 2017 for (i = 0; i < chip->num_devs; i++) 2018 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2019 synchronize_irq(chip->irq); 2020 __end_hw: 2021 if (chip->irq >= 0) 2022 free_irq(chip->irq, (void *)chip); 2023 if (chip->mpu_res) { 2024 release_resource(chip->mpu_res); 2025 kfree_nocheck(chip->mpu_res); 2026 } 2027 pci_release_regions(chip->pci); 2028 2029 if (chip->chip_type == TYPE_VIA686) { 2030 snd_via686_free_gameport(chip); 2031 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2032 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2033 } 2034 pci_disable_device(chip->pci); 2035 kfree(chip); 2036 return 0; 2037 } 2038 2039 static int snd_via82xx_dev_free(snd_device_t *device) 2040 { 2041 via82xx_t *chip = device->device_data; 2042 return snd_via82xx_free(chip); 2043 } 2044 2045 static int __devinit snd_via82xx_create(snd_card_t * card, 2046 struct pci_dev *pci, 2047 int chip_type, 2048 int revision, 2049 unsigned int ac97_clock, 2050 via82xx_t ** r_via) 2051 { 2052 via82xx_t *chip; 2053 int err; 2054 static snd_device_ops_t ops = { 2055 .dev_free = snd_via82xx_dev_free, 2056 }; 2057 2058 if ((err = pci_enable_device(pci)) < 0) 2059 return err; 2060 2061 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2062 pci_disable_device(pci); 2063 return -ENOMEM; 2064 } 2065 2066 chip->chip_type = chip_type; 2067 chip->revision = revision; 2068 2069 spin_lock_init(&chip->reg_lock); 2070 spin_lock_init(&chip->rates[0].lock); 2071 spin_lock_init(&chip->rates[1].lock); 2072 chip->card = card; 2073 chip->pci = pci; 2074 chip->irq = -1; 2075 2076 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2077 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2078 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2079 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2080 2081 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2082 kfree(chip); 2083 pci_disable_device(pci); 2084 return err; 2085 } 2086 chip->port = pci_resource_start(pci, 0); 2087 if (request_irq(pci->irq, snd_via82xx_interrupt, SA_INTERRUPT|SA_SHIRQ, 2088 card->driver, (void *)chip)) { 2089 snd_printk("unable to grab IRQ %d\n", pci->irq); 2090 snd_via82xx_free(chip); 2091 return -EBUSY; 2092 } 2093 chip->irq = pci->irq; 2094 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2095 chip->ac97_clock = ac97_clock; 2096 synchronize_irq(chip->irq); 2097 2098 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2099 snd_via82xx_free(chip); 2100 return err; 2101 } 2102 2103 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2104 snd_via82xx_free(chip); 2105 return err; 2106 } 2107 2108 /* The 8233 ac97 controller does not implement the master bit 2109 * in the pci command register. IMHO this is a violation of the PCI spec. 2110 * We call pci_set_master here because it does not hurt. */ 2111 pci_set_master(pci); 2112 2113 snd_card_set_dev(card, &pci->dev); 2114 2115 *r_via = chip; 2116 return 0; 2117 } 2118 2119 struct via823x_info { 2120 int revision; 2121 char *name; 2122 int type; 2123 }; 2124 static struct via823x_info via823x_cards[] __devinitdata = { 2125 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2126 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2127 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2128 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2129 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2130 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2131 }; 2132 2133 /* 2134 * auto detection of DXS channel supports. 2135 */ 2136 struct dxs_whitelist { 2137 unsigned short subvendor; 2138 unsigned short subdevice; 2139 unsigned short mask; 2140 short action; /* new dxs_support value */ 2141 }; 2142 2143 static int __devinit check_dxs_list(struct pci_dev *pci) 2144 { 2145 static struct dxs_whitelist whitelist[] = { 2146 { .subvendor = 0x1005, .subdevice = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2147 { .subvendor = 0x1019, .subdevice = 0x0996, .action = VIA_DXS_48K }, 2148 { .subvendor = 0x1019, .subdevice = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2149 { .subvendor = 0x1019, .subdevice = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 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 = 0x812a, .action = VIA_DXS_SRC }, /* ASUS A8V Deluxe */ 2156 { .subvendor = 0x1071, .subdevice = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2157 { .subvendor = 0x1071, .subdevice = 0x8399, .action = VIA_DXS_NO_VRA }, /* Umax AB 595T (VIA K8N800A - VT8237) */ 2158 { .subvendor = 0x10cf, .subdevice = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2159 { .subvendor = 0x1106, .subdevice = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2160 { .subvendor = 0x1106, .subdevice = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2161 { .subvendor = 0x1106, .subdevice = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2162 { .subvendor = 0x1106, .subdevice = 0xc001, .action = VIA_DXS_SRC }, /* Insight P4-ITX */ 2163 { .subvendor = 0x1297, .subdevice = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2164 { .subvendor = 0x1297, .subdevice = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2165 { .subvendor = 0x1458, .subdevice = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2166 { .subvendor = 0x1462, .subdevice = 0x0080, .action = VIA_DXS_SRC }, /* MSI K8T Neo-FIS2R */ 2167 { .subvendor = 0x1462, .subdevice = 0x0430, .action = VIA_DXS_SRC }, /* MSI 7142 (K8MM-V) */ 2168 { .subvendor = 0x1462, .subdevice = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2169 { .subvendor = 0x1462, .subdevice = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2170 { .subvendor = 0x1462, .subdevice = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */ 2171 { .subvendor = 0x1462, .subdevice = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2172 { .subvendor = 0x1462, .subdevice = 0x7142, .action = VIA_DXS_ENABLE }, /* MSI K8MM-V */ 2173 { .subvendor = 0x147b, .subdevice = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2174 { .subvendor = 0x147b, .subdevice = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2175 { .subvendor = 0x147b, .subdevice = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2176 { .subvendor = 0x147b, .subdevice = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2177 { .subvendor = 0x14ff, .subdevice = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2178 { .subvendor = 0x14ff, .subdevice = 0x0408, .action = VIA_DXS_SRC }, /* Twinhead laptop */ 2179 { .subvendor = 0x1584, .subdevice = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2180 { .subvendor = 0x1584, .subdevice = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2181 { .subvendor = 0x161f, .subdevice = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2182 { .subvendor = 0x161f, .subdevice = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2183 { .subvendor = 0x1631, .subdevice = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2184 { .subvendor = 0x1695, .subdevice = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2185 { .subvendor = 0x1849, .subdevice = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2186 { .subvendor = 0x1919, .subdevice = 0x200a, .action = VIA_DXS_NO_VRA }, /* Soltek SL-K8Tpro-939 */ 2187 { .subvendor = 0x4005, .subdevice = 0x4710, .action = VIA_DXS_SRC }, /* MSI K7T266 Pro2 (MS-6380 V2.0) BIOS 3.7 */ 2188 { } /* terminator */ 2189 }; 2190 struct dxs_whitelist *w; 2191 unsigned short subsystem_vendor; 2192 unsigned short subsystem_device; 2193 2194 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2195 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2196 2197 for (w = whitelist; w->subvendor; w++) { 2198 if (w->subvendor != subsystem_vendor) 2199 continue; 2200 if (w->mask) { 2201 if ((w->mask & subsystem_device) == w->subdevice) 2202 return w->action; 2203 } else { 2204 if (subsystem_device == w->subdevice) 2205 return w->action; 2206 } 2207 } 2208 2209 /* 2210 * not detected, try 48k rate only to be sure. 2211 */ 2212 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2213 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2214 printk(KERN_INFO " and report if it works on your machine.\n"); 2215 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2216 return VIA_DXS_48K; 2217 }; 2218 2219 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2220 const struct pci_device_id *pci_id) 2221 { 2222 static int dev; 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 if (dev >= SNDRV_CARDS) 2231 return -ENODEV; 2232 if (!enable[dev]) { 2233 dev++; 2234 return -ENOENT; 2235 } 2236 2237 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); 2238 if (card == NULL) 2239 return -ENOMEM; 2240 2241 card_type = pci_id->driver_data; 2242 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2243 switch (card_type) { 2244 case TYPE_CARD_VIA686: 2245 strcpy(card->driver, "VIA686A"); 2246 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2247 chip_type = TYPE_VIA686; 2248 break; 2249 case TYPE_CARD_VIA8233: 2250 chip_type = TYPE_VIA8233; 2251 sprintf(card->shortname, "VIA 823x rev%x", revision); 2252 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2253 if (revision == via823x_cards[i].revision) { 2254 chip_type = via823x_cards[i].type; 2255 strcpy(card->shortname, via823x_cards[i].name); 2256 break; 2257 } 2258 } 2259 if (chip_type != TYPE_VIA8233A) { 2260 if (dxs_support[dev] == VIA_DXS_AUTO) 2261 dxs_support[dev] = check_dxs_list(pci); 2262 /* force to use VIA8233 or 8233A model according to 2263 * dxs_support module option 2264 */ 2265 if (dxs_support[dev] == VIA_DXS_DISABLE) 2266 chip_type = TYPE_VIA8233A; 2267 else 2268 chip_type = TYPE_VIA8233; 2269 } 2270 if (chip_type == TYPE_VIA8233A) 2271 strcpy(card->driver, "VIA8233A"); 2272 else if (revision >= VIA_REV_8237) 2273 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2274 else 2275 strcpy(card->driver, "VIA8233"); 2276 break; 2277 default: 2278 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2279 err = -EINVAL; 2280 goto __error; 2281 } 2282 2283 if ((err = snd_via82xx_create(card, pci, chip_type, revision, ac97_clock[dev], &chip)) < 0) 2284 goto __error; 2285 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk[dev])) < 0) 2286 goto __error; 2287 2288 if (chip_type == TYPE_VIA686) { 2289 if ((err = snd_via686_pcm_new(chip)) < 0 || 2290 (err = snd_via686_init_misc(chip, dev)) < 0) 2291 goto __error; 2292 } else { 2293 if (chip_type == TYPE_VIA8233A) { 2294 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2295 goto __error; 2296 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2297 } else { 2298 if ((err = snd_via8233_pcm_new(chip)) < 0) 2299 goto __error; 2300 if (dxs_support[dev] == VIA_DXS_48K) 2301 chip->dxs_fixed = 1; 2302 else if (dxs_support[dev] == VIA_DXS_NO_VRA) 2303 chip->no_vra = 1; 2304 else if (dxs_support[dev] == VIA_DXS_SRC) { 2305 chip->no_vra = 1; 2306 chip->dxs_src = 1; 2307 } 2308 } 2309 if ((err = snd_via8233_init_misc(chip, dev)) < 0) 2310 goto __error; 2311 } 2312 2313 snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip); 2314 2315 /* disable interrupts */ 2316 for (i = 0; i < chip->num_devs; i++) 2317 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2318 2319 snprintf(card->longname, sizeof(card->longname), 2320 "%s with %s at %#lx, irq %d", card->shortname, 2321 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2322 2323 snd_via82xx_proc_init(chip); 2324 2325 if ((err = snd_card_register(card)) < 0) { 2326 snd_card_free(card); 2327 return err; 2328 } 2329 pci_set_drvdata(pci, card); 2330 dev++; 2331 return 0; 2332 2333 __error: 2334 snd_card_free(card); 2335 return err; 2336 } 2337 2338 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2339 { 2340 snd_card_free(pci_get_drvdata(pci)); 2341 pci_set_drvdata(pci, NULL); 2342 } 2343 2344 static struct pci_driver driver = { 2345 .name = "VIA 82xx Audio", 2346 .id_table = snd_via82xx_ids, 2347 .probe = snd_via82xx_probe, 2348 .remove = __devexit_p(snd_via82xx_remove), 2349 SND_PCI_PM_CALLBACKS 2350 }; 2351 2352 static int __init alsa_card_via82xx_init(void) 2353 { 2354 return pci_register_driver(&driver); 2355 } 2356 2357 static void __exit alsa_card_via82xx_exit(void) 2358 { 2359 pci_unregister_driver(&driver); 2360 } 2361 2362 module_init(alsa_card_via82xx_init) 2363 module_exit(alsa_card_via82xx_exit) 2364