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)"); 105 106 107 /* pci ids */ 108 #ifndef PCI_DEVICE_ID_VIA_82C686_5 109 #define PCI_DEVICE_ID_VIA_82C686_5 0x3058 110 #endif 111 #ifndef PCI_DEVICE_ID_VIA_8233_5 112 #define PCI_DEVICE_ID_VIA_8233_5 0x3059 113 #endif 114 115 /* revision numbers for via686 */ 116 #define VIA_REV_686_A 0x10 117 #define VIA_REV_686_B 0x11 118 #define VIA_REV_686_C 0x12 119 #define VIA_REV_686_D 0x13 120 #define VIA_REV_686_E 0x14 121 #define VIA_REV_686_H 0x20 122 123 /* revision numbers for via8233 */ 124 #define VIA_REV_PRE_8233 0x10 /* not in market */ 125 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 126 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 127 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 128 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 129 #define VIA_REV_8237 0x60 130 131 /* 132 * Direct registers 133 */ 134 135 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 136 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 137 138 /* common offsets */ 139 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 140 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 141 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 142 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 143 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 144 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 145 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 146 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 147 #define VIA_REG_CTRL_START 0x80 /* WO */ 148 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 149 #define VIA_REG_CTRL_AUTOSTART 0x20 150 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 151 #define VIA_REG_CTRL_INT_STOP 0x04 152 #define VIA_REG_CTRL_INT_EOL 0x02 153 #define VIA_REG_CTRL_INT_FLAG 0x01 154 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 155 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 156 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 157 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 158 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 159 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 160 #define VIA_REG_TYPE_INT_LLINE 0x00 161 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 162 #define VIA_REG_TYPE_INT_LESSONE 0x08 163 #define VIA_REG_TYPE_INT_MASK 0x0c 164 #define VIA_REG_TYPE_INT_EOL 0x02 165 #define VIA_REG_TYPE_INT_FLAG 0x01 166 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 167 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 168 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 169 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 170 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 171 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 172 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 173 174 #define DEFINE_VIA_REGSET(name,val) \ 175 enum {\ 176 VIA_REG_##name##_STATUS = (val),\ 177 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 178 VIA_REG_##name##_TYPE = (val) + 0x02,\ 179 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 180 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 181 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 182 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 183 } 184 185 /* playback block */ 186 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 187 DEFINE_VIA_REGSET(CAPTURE, 0x10); 188 DEFINE_VIA_REGSET(FM, 0x20); 189 190 /* AC'97 */ 191 #define VIA_REG_AC97 0x80 /* dword */ 192 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 193 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 194 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 195 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 196 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 197 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 198 #define VIA_REG_AC97_BUSY (1<<24) 199 #define VIA_REG_AC97_READ (1<<23) 200 #define VIA_REG_AC97_CMD_SHIFT 16 201 #define VIA_REG_AC97_CMD_MASK 0x7e 202 #define VIA_REG_AC97_DATA_SHIFT 0 203 #define VIA_REG_AC97_DATA_MASK 0xffff 204 205 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 206 /* via686 */ 207 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 208 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 209 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 210 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 211 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 212 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 213 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 214 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 215 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 216 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 217 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 218 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 219 /* via8233 */ 220 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 221 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 222 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 223 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 224 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 225 #define VIA8233_REG_SGD_CHAN_SDX 0 226 #define VIA8233_REG_SGD_CHAN_MULTI 4 227 #define VIA8233_REG_SGD_CHAN_REC 6 228 #define VIA8233_REG_SGD_CHAN_REC1 7 229 230 #define VIA_REG_GPI_STATUS 0x88 231 #define VIA_REG_GPI_INTR 0x8c 232 233 /* multi-channel and capture registers for via8233 */ 234 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 235 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 236 237 /* via8233-specific registers */ 238 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 239 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 240 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 241 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 242 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 243 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 244 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 245 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 246 247 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 248 249 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 250 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 251 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 252 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 253 254 #define VIA_TBL_BIT_FLAG 0x40000000 255 #define VIA_TBL_BIT_EOL 0x80000000 256 257 /* pci space */ 258 #define VIA_ACLINK_STAT 0x40 259 #define VIA_ACLINK_C11_READY 0x20 260 #define VIA_ACLINK_C10_READY 0x10 261 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 262 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 263 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 264 #define VIA_ACLINK_CTRL 0x41 265 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 266 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 267 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 268 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 269 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 270 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 271 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 272 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 273 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 274 VIA_ACLINK_CTRL_RESET|\ 275 VIA_ACLINK_CTRL_PCM|\ 276 VIA_ACLINK_CTRL_VRA) 277 #define VIA_FUNC_ENABLE 0x42 278 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 279 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 280 #define VIA_FUNC_RX2C_WRITE 0x20 281 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 282 #define VIA_FUNC_ENABLE_GAME 0x08 283 #define VIA_FUNC_ENABLE_FM 0x04 284 #define VIA_FUNC_ENABLE_MIDI 0x02 285 #define VIA_FUNC_ENABLE_SB 0x01 286 #define VIA_PNP_CONTROL 0x43 287 #define VIA_FM_NMI_CTRL 0x48 288 #define VIA8233_VOLCHG_CTRL 0x48 289 #define VIA8233_SPDIF_CTRL 0x49 290 #define VIA8233_SPDIF_DX3 0x08 291 #define VIA8233_SPDIF_SLOT_MASK 0x03 292 #define VIA8233_SPDIF_SLOT_1011 0x00 293 #define VIA8233_SPDIF_SLOT_34 0x01 294 #define VIA8233_SPDIF_SLOT_78 0x02 295 #define VIA8233_SPDIF_SLOT_69 0x03 296 297 /* 298 */ 299 300 #define VIA_DXS_AUTO 0 301 #define VIA_DXS_ENABLE 1 302 #define VIA_DXS_DISABLE 2 303 #define VIA_DXS_48K 3 304 #define VIA_DXS_NO_VRA 4 305 306 307 /* 308 */ 309 310 typedef struct _snd_via82xx via82xx_t; 311 typedef struct via_dev viadev_t; 312 313 /* 314 * pcm stream 315 */ 316 317 struct snd_via_sg_table { 318 unsigned int offset; 319 unsigned int size; 320 } ; 321 322 #define VIA_TABLE_SIZE 255 323 324 struct via_dev { 325 unsigned int reg_offset; 326 unsigned long port; 327 int direction; /* playback = 0, capture = 1 */ 328 snd_pcm_substream_t *substream; 329 int running; 330 unsigned int tbl_entries; /* # descriptors */ 331 struct snd_dma_buffer table; 332 struct snd_via_sg_table *idx_table; 333 /* for recovery from the unexpected pointer */ 334 unsigned int lastpos; 335 unsigned int fragsize; 336 unsigned int bufsize; 337 unsigned int bufsize2; 338 }; 339 340 341 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 342 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 343 344 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 345 346 struct via_rate_lock { 347 spinlock_t lock; 348 int rate; 349 int used; 350 }; 351 352 struct _snd_via82xx { 353 int irq; 354 355 unsigned long port; 356 struct resource *mpu_res; 357 int chip_type; 358 unsigned char revision; 359 360 unsigned char old_legacy; 361 unsigned char old_legacy_cfg; 362 #ifdef CONFIG_PM 363 unsigned char legacy_saved; 364 unsigned char legacy_cfg_saved; 365 unsigned char spdif_ctrl_saved; 366 unsigned char capture_src_saved[2]; 367 unsigned int mpu_port_saved; 368 #endif 369 370 unsigned char playback_volume[2]; /* for VIA8233/C/8235; default = 0 */ 371 372 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 373 374 struct pci_dev *pci; 375 snd_card_t *card; 376 377 unsigned int num_devs; 378 unsigned int playback_devno, multi_devno, capture_devno; 379 viadev_t devs[VIA_MAX_DEVS]; 380 struct via_rate_lock rates[2]; /* playback and capture */ 381 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 382 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 383 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 384 385 snd_pcm_t *pcms[2]; 386 snd_rawmidi_t *rmidi; 387 388 ac97_bus_t *ac97_bus; 389 ac97_t *ac97; 390 unsigned int ac97_clock; 391 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 392 393 spinlock_t reg_lock; 394 snd_info_entry_t *proc_entry; 395 396 #ifdef SUPPORT_JOYSTICK 397 struct gameport *gameport; 398 #endif 399 }; 400 401 static struct pci_device_id snd_via82xx_ids[] = { 402 { 0x1106, 0x3058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 403 { 0x1106, 0x3059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 404 { 0, } 405 }; 406 407 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 408 409 /* 410 */ 411 412 /* 413 * allocate and initialize the descriptor buffers 414 * periods = number of periods 415 * fragsize = period size in bytes 416 */ 417 static int build_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 418 struct pci_dev *pci, 419 unsigned int periods, unsigned int fragsize) 420 { 421 unsigned int i, idx, ofs, rest; 422 via82xx_t *chip = snd_pcm_substream_chip(substream); 423 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 424 425 if (dev->table.area == NULL) { 426 /* the start of each lists must be aligned to 8 bytes, 427 * but the kernel pages are much bigger, so we don't care 428 */ 429 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 430 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 431 &dev->table) < 0) 432 return -ENOMEM; 433 } 434 if (! dev->idx_table) { 435 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 436 if (! dev->idx_table) 437 return -ENOMEM; 438 } 439 440 /* fill the entries */ 441 idx = 0; 442 ofs = 0; 443 for (i = 0; i < periods; i++) { 444 rest = fragsize; 445 /* fill descriptors for a period. 446 * a period can be split to several descriptors if it's 447 * over page boundary. 448 */ 449 do { 450 unsigned int r; 451 unsigned int flag; 452 453 if (idx >= VIA_TABLE_SIZE) { 454 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 455 return -EINVAL; 456 } 457 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 458 r = PAGE_SIZE - (ofs % PAGE_SIZE); 459 if (rest < r) 460 r = rest; 461 rest -= r; 462 if (! rest) { 463 if (i == periods - 1) 464 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 465 else 466 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 467 } else 468 flag = 0; /* period continues to the next */ 469 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 470 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 471 dev->idx_table[idx].offset = ofs; 472 dev->idx_table[idx].size = r; 473 ofs += r; 474 idx++; 475 } while (rest > 0); 476 } 477 dev->tbl_entries = idx; 478 dev->bufsize = periods * fragsize; 479 dev->bufsize2 = dev->bufsize / 2; 480 dev->fragsize = fragsize; 481 return 0; 482 } 483 484 485 static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 486 struct pci_dev *pci) 487 { 488 if (dev->table.area) { 489 snd_dma_free_pages(&dev->table); 490 dev->table.area = NULL; 491 } 492 if (dev->idx_table) { 493 kfree(dev->idx_table); 494 dev->idx_table = NULL; 495 } 496 return 0; 497 } 498 499 /* 500 * Basic I/O 501 */ 502 503 static inline unsigned int snd_via82xx_codec_xread(via82xx_t *chip) 504 { 505 return inl(VIAREG(chip, AC97)); 506 } 507 508 static inline void snd_via82xx_codec_xwrite(via82xx_t *chip, unsigned int val) 509 { 510 outl(val, VIAREG(chip, AC97)); 511 } 512 513 static int snd_via82xx_codec_ready(via82xx_t *chip, int secondary) 514 { 515 unsigned int timeout = 1000; /* 1ms */ 516 unsigned int val; 517 518 while (timeout-- > 0) { 519 udelay(1); 520 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 521 return val & 0xffff; 522 } 523 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_via82xx_codec_xread(chip)); 524 return -EIO; 525 } 526 527 static int snd_via82xx_codec_valid(via82xx_t *chip, int secondary) 528 { 529 unsigned int timeout = 1000; /* 1ms */ 530 unsigned int val, val1; 531 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 532 VIA_REG_AC97_SECONDARY_VALID; 533 534 while (timeout-- > 0) { 535 val = snd_via82xx_codec_xread(chip); 536 val1 = val & (VIA_REG_AC97_BUSY | stat); 537 if (val1 == stat) 538 return val & 0xffff; 539 udelay(1); 540 } 541 return -EIO; 542 } 543 544 static void snd_via82xx_codec_wait(ac97_t *ac97) 545 { 546 via82xx_t *chip = ac97->private_data; 547 int err; 548 err = snd_via82xx_codec_ready(chip, ac97->num); 549 /* here we need to wait fairly for long time.. */ 550 set_current_state(TASK_UNINTERRUPTIBLE); 551 schedule_timeout(HZ/2); 552 } 553 554 static void snd_via82xx_codec_write(ac97_t *ac97, 555 unsigned short reg, 556 unsigned short val) 557 { 558 via82xx_t *chip = ac97->private_data; 559 unsigned int xval; 560 561 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 562 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 563 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 564 xval |= val << VIA_REG_AC97_DATA_SHIFT; 565 snd_via82xx_codec_xwrite(chip, xval); 566 snd_via82xx_codec_ready(chip, ac97->num); 567 } 568 569 static unsigned short snd_via82xx_codec_read(ac97_t *ac97, unsigned short reg) 570 { 571 via82xx_t *chip = ac97->private_data; 572 unsigned int xval, val = 0xffff; 573 int again = 0; 574 575 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 576 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 577 xval |= VIA_REG_AC97_READ; 578 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 579 while (1) { 580 if (again++ > 3) { 581 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", ac97->num, snd_via82xx_codec_xread(chip)); 582 return 0xffff; 583 } 584 snd_via82xx_codec_xwrite(chip, xval); 585 udelay (20); 586 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 587 udelay(25); 588 val = snd_via82xx_codec_xread(chip); 589 break; 590 } 591 } 592 return val & 0xffff; 593 } 594 595 static void snd_via82xx_channel_reset(via82xx_t *chip, viadev_t *viadev) 596 { 597 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 598 VIADEV_REG(viadev, OFFSET_CONTROL)); 599 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 600 udelay(50); 601 /* disable interrupts */ 602 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 603 /* clear interrupts */ 604 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 605 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 606 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 607 viadev->lastpos = 0; 608 } 609 610 611 /* 612 * Interrupt handler 613 */ 614 615 static irqreturn_t snd_via82xx_interrupt(int irq, void *dev_id, struct pt_regs *regs) 616 { 617 via82xx_t *chip = dev_id; 618 unsigned int status; 619 unsigned int i; 620 621 status = inl(VIAREG(chip, SGD_SHADOW)); 622 if (! (status & chip->intr_mask)) { 623 if (chip->rmidi) 624 /* check mpu401 interrupt */ 625 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); 626 return IRQ_NONE; 627 } 628 629 /* check status for each stream */ 630 spin_lock(&chip->reg_lock); 631 for (i = 0; i < chip->num_devs; i++) { 632 viadev_t *viadev = &chip->devs[i]; 633 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 634 c_status &= (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED); 635 if (! c_status) 636 continue; 637 if (viadev->substream && viadev->running) { 638 spin_unlock(&chip->reg_lock); 639 snd_pcm_period_elapsed(viadev->substream); 640 spin_lock(&chip->reg_lock); 641 } 642 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 643 } 644 spin_unlock(&chip->reg_lock); 645 return IRQ_HANDLED; 646 } 647 648 /* 649 * PCM callbacks 650 */ 651 652 /* 653 * trigger callback 654 */ 655 static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd) 656 { 657 via82xx_t *chip = snd_pcm_substream_chip(substream); 658 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 659 unsigned char val; 660 661 if (chip->chip_type != TYPE_VIA686) 662 val = VIA_REG_CTRL_INT; 663 else 664 val = 0; 665 switch (cmd) { 666 case SNDRV_PCM_TRIGGER_START: 667 val |= VIA_REG_CTRL_START; 668 viadev->running = 1; 669 break; 670 case SNDRV_PCM_TRIGGER_STOP: 671 val = VIA_REG_CTRL_TERMINATE; 672 viadev->running = 0; 673 break; 674 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 675 val |= VIA_REG_CTRL_PAUSE; 676 viadev->running = 0; 677 break; 678 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 679 viadev->running = 1; 680 break; 681 default: 682 return -EINVAL; 683 } 684 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 685 if (cmd == SNDRV_PCM_TRIGGER_STOP) 686 snd_via82xx_channel_reset(chip, viadev); 687 return 0; 688 } 689 690 691 /* 692 * pointer callbacks 693 */ 694 695 /* 696 * calculate the linear position at the given sg-buffer index and the rest count 697 */ 698 699 #define check_invalid_pos(viadev,pos) \ 700 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2)) 701 702 static inline unsigned int calc_linear_pos(viadev_t *viadev, unsigned int idx, unsigned int count) 703 { 704 unsigned int size, base, res; 705 706 size = viadev->idx_table[idx].size; 707 base = viadev->idx_table[idx].offset; 708 res = base + size - count; 709 710 /* check the validity of the calculated position */ 711 if (size < count) { 712 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", (int)size, (int)count); 713 res = viadev->lastpos; 714 } else { 715 if (! count) { 716 /* Some mobos report count = 0 on the DMA boundary, 717 * i.e. count = size indeed. 718 * Let's check whether this step is above the expected size. 719 */ 720 int delta = res - viadev->lastpos; 721 if (delta < 0) 722 delta += viadev->bufsize; 723 if ((unsigned int)delta > viadev->fragsize) 724 res = base; 725 } 726 if (check_invalid_pos(viadev, res)) { 727 #ifdef POINTER_DEBUG 728 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); 729 #endif 730 /* count register returns full size when end of buffer is reached */ 731 res = base + size; 732 if (check_invalid_pos(viadev, res)) { 733 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 734 res = viadev->lastpos; 735 } 736 } 737 } 738 viadev->lastpos = res; /* remember the last position */ 739 if (res >= viadev->bufsize) 740 res -= viadev->bufsize; 741 return res; 742 } 743 744 /* 745 * get the current pointer on via686 746 */ 747 static snd_pcm_uframes_t snd_via686_pcm_pointer(snd_pcm_substream_t *substream) 748 { 749 via82xx_t *chip = snd_pcm_substream_chip(substream); 750 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 751 unsigned int idx, ptr, count, res; 752 753 snd_assert(viadev->tbl_entries, return 0); 754 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 755 return 0; 756 757 spin_lock(&chip->reg_lock); 758 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 759 /* The via686a does not have the current index register, 760 * so we need to calculate the index from CURR_PTR. 761 */ 762 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 763 if (ptr <= (unsigned int)viadev->table.addr) 764 idx = 0; 765 else /* CURR_PTR holds the address + 8 */ 766 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 767 res = calc_linear_pos(viadev, idx, count); 768 spin_unlock(&chip->reg_lock); 769 770 return bytes_to_frames(substream->runtime, res); 771 } 772 773 /* 774 * get the current pointer on via823x 775 */ 776 static snd_pcm_uframes_t snd_via8233_pcm_pointer(snd_pcm_substream_t *substream) 777 { 778 via82xx_t *chip = snd_pcm_substream_chip(substream); 779 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 780 unsigned int idx, count, res; 781 int timeout = 5000; 782 783 snd_assert(viadev->tbl_entries, return 0); 784 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 785 return 0; 786 spin_lock(&chip->reg_lock); 787 do { 788 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 789 /* some mobos read 0 count */ 790 if ((count & 0xffffff) || ! viadev->running) 791 break; 792 } while (--timeout); 793 if (! timeout) 794 snd_printd(KERN_ERR "zero position is read\n"); 795 idx = count >> 24; 796 if (idx >= viadev->tbl_entries) { 797 #ifdef POINTER_DEBUG 798 printk("fail: invalid idx = %i/%i\n", idx, viadev->tbl_entries); 799 #endif 800 res = viadev->lastpos; 801 } else { 802 count &= 0xffffff; 803 res = calc_linear_pos(viadev, idx, count); 804 } 805 spin_unlock(&chip->reg_lock); 806 807 return bytes_to_frames(substream->runtime, res); 808 } 809 810 811 /* 812 * hw_params callback: 813 * allocate the buffer and build up the buffer description table 814 */ 815 static int snd_via82xx_hw_params(snd_pcm_substream_t * substream, 816 snd_pcm_hw_params_t * hw_params) 817 { 818 via82xx_t *chip = snd_pcm_substream_chip(substream); 819 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 820 int err; 821 822 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 823 if (err < 0) 824 return err; 825 err = build_via_table(viadev, substream, chip->pci, 826 params_periods(hw_params), 827 params_period_bytes(hw_params)); 828 if (err < 0) 829 return err; 830 831 return 0; 832 } 833 834 /* 835 * hw_free callback: 836 * clean up the buffer description table and release the buffer 837 */ 838 static int snd_via82xx_hw_free(snd_pcm_substream_t * substream) 839 { 840 via82xx_t *chip = snd_pcm_substream_chip(substream); 841 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 842 843 clean_via_table(viadev, substream, chip->pci); 844 snd_pcm_lib_free_pages(substream); 845 return 0; 846 } 847 848 849 /* 850 * set up the table pointer 851 */ 852 static void snd_via82xx_set_table_ptr(via82xx_t *chip, viadev_t *viadev) 853 { 854 snd_via82xx_codec_ready(chip, 0); 855 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 856 udelay(20); 857 snd_via82xx_codec_ready(chip, 0); 858 } 859 860 /* 861 * prepare callback for playback and capture on via686 862 */ 863 static void via686_setup_format(via82xx_t *chip, viadev_t *viadev, snd_pcm_runtime_t *runtime) 864 { 865 snd_via82xx_channel_reset(chip, viadev); 866 /* this must be set after channel_reset */ 867 snd_via82xx_set_table_ptr(chip, viadev); 868 outb(VIA_REG_TYPE_AUTOSTART | 869 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 870 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 871 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 872 VIA_REG_TYPE_INT_EOL | 873 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 874 } 875 876 static int snd_via686_playback_prepare(snd_pcm_substream_t *substream) 877 { 878 via82xx_t *chip = snd_pcm_substream_chip(substream); 879 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 880 snd_pcm_runtime_t *runtime = substream->runtime; 881 882 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 883 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 884 via686_setup_format(chip, viadev, runtime); 885 return 0; 886 } 887 888 static int snd_via686_capture_prepare(snd_pcm_substream_t *substream) 889 { 890 via82xx_t *chip = snd_pcm_substream_chip(substream); 891 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 892 snd_pcm_runtime_t *runtime = substream->runtime; 893 894 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 895 via686_setup_format(chip, viadev, runtime); 896 return 0; 897 } 898 899 /* 900 * lock the current rate 901 */ 902 static int via_lock_rate(struct via_rate_lock *rec, int rate) 903 { 904 int changed = 0; 905 906 spin_lock_irq(&rec->lock); 907 if (rec->rate != rate) { 908 if (rec->rate && rec->used > 1) /* already set */ 909 changed = -EINVAL; 910 else { 911 rec->rate = rate; 912 changed = 1; 913 } 914 } 915 spin_unlock_irq(&rec->lock); 916 return changed; 917 } 918 919 /* 920 * prepare callback for DSX playback on via823x 921 */ 922 static int snd_via8233_playback_prepare(snd_pcm_substream_t *substream) 923 { 924 via82xx_t *chip = snd_pcm_substream_chip(substream); 925 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 926 snd_pcm_runtime_t *runtime = substream->runtime; 927 int rate_changed; 928 u32 rbits; 929 930 if ((rate_changed = via_lock_rate(&chip->rates[0], runtime->rate)) < 0) 931 return rate_changed; 932 if (rate_changed) { 933 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 934 chip->no_vra ? 48000 : runtime->rate); 935 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 936 } 937 if (runtime->rate == 48000) 938 rbits = 0xfffff; 939 else 940 rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; 941 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 942 snd_via82xx_channel_reset(chip, viadev); 943 snd_via82xx_set_table_ptr(chip, viadev); 944 outb(chip->playback_volume[0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 945 outb(chip->playback_volume[1], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 946 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 947 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 948 rbits | /* rate */ 949 0xff000000, /* STOP index is never reached */ 950 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 951 udelay(20); 952 snd_via82xx_codec_ready(chip, 0); 953 return 0; 954 } 955 956 /* 957 * prepare callback for multi-channel playback on via823x 958 */ 959 static int snd_via8233_multi_prepare(snd_pcm_substream_t *substream) 960 { 961 via82xx_t *chip = snd_pcm_substream_chip(substream); 962 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 963 snd_pcm_runtime_t *runtime = substream->runtime; 964 unsigned int slots; 965 int fmt; 966 967 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 968 return -EINVAL; 969 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 970 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 971 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 972 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 973 snd_via82xx_channel_reset(chip, viadev); 974 snd_via82xx_set_table_ptr(chip, viadev); 975 976 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 977 fmt |= runtime->channels << 4; 978 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 979 #if 0 980 if (chip->revision == VIA_REV_8233A) 981 slots = 0; 982 else 983 #endif 984 { 985 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 986 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 987 switch (runtime->channels) { 988 case 1: slots = (1<<0) | (1<<4); break; 989 case 2: slots = (1<<0) | (2<<4); break; 990 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 991 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 992 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 993 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 994 default: slots = 0; break; 995 } 996 } 997 /* STOP index is never reached */ 998 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 999 udelay(20); 1000 snd_via82xx_codec_ready(chip, 0); 1001 return 0; 1002 } 1003 1004 /* 1005 * prepare callback for capture on via823x 1006 */ 1007 static int snd_via8233_capture_prepare(snd_pcm_substream_t *substream) 1008 { 1009 via82xx_t *chip = snd_pcm_substream_chip(substream); 1010 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1011 snd_pcm_runtime_t *runtime = substream->runtime; 1012 1013 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1014 return -EINVAL; 1015 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1016 snd_via82xx_channel_reset(chip, viadev); 1017 snd_via82xx_set_table_ptr(chip, viadev); 1018 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1019 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1020 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1021 0xff000000, /* STOP index is never reached */ 1022 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1023 udelay(20); 1024 snd_via82xx_codec_ready(chip, 0); 1025 return 0; 1026 } 1027 1028 1029 /* 1030 * pcm hardware definition, identical for both playback and capture 1031 */ 1032 static snd_pcm_hardware_t snd_via82xx_hw = 1033 { 1034 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1035 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1036 SNDRV_PCM_INFO_MMAP_VALID | 1037 SNDRV_PCM_INFO_RESUME | 1038 SNDRV_PCM_INFO_PAUSE), 1039 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1040 .rates = SNDRV_PCM_RATE_48000, 1041 .rate_min = 48000, 1042 .rate_max = 48000, 1043 .channels_min = 1, 1044 .channels_max = 2, 1045 .buffer_bytes_max = 128 * 1024, 1046 .period_bytes_min = 32, 1047 .period_bytes_max = 128 * 1024, 1048 .periods_min = 2, 1049 .periods_max = VIA_TABLE_SIZE / 2, 1050 .fifo_size = 0, 1051 }; 1052 1053 1054 /* 1055 * open callback skeleton 1056 */ 1057 static int snd_via82xx_pcm_open(via82xx_t *chip, viadev_t *viadev, snd_pcm_substream_t * substream) 1058 { 1059 snd_pcm_runtime_t *runtime = substream->runtime; 1060 int err; 1061 struct via_rate_lock *ratep; 1062 1063 runtime->hw = snd_via82xx_hw; 1064 1065 /* set the hw rate condition */ 1066 ratep = &chip->rates[viadev->direction]; 1067 spin_lock_irq(&ratep->lock); 1068 ratep->used++; 1069 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1070 /* DXS#3 and spdif is on */ 1071 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1072 snd_pcm_limit_hw_rates(runtime); 1073 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1074 /* fixed DXS playback rate */ 1075 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1076 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1077 } else if (! ratep->rate) { 1078 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1079 runtime->hw.rates = chip->ac97->rates[idx]; 1080 snd_pcm_limit_hw_rates(runtime); 1081 } else { 1082 /* a fixed rate */ 1083 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1084 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1085 } 1086 spin_unlock_irq(&ratep->lock); 1087 1088 /* we may remove following constaint when we modify table entries 1089 in interrupt */ 1090 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1091 return err; 1092 1093 runtime->private_data = viadev; 1094 viadev->substream = substream; 1095 1096 return 0; 1097 } 1098 1099 1100 /* 1101 * open callback for playback on via686 and via823x DSX 1102 */ 1103 static int snd_via82xx_playback_open(snd_pcm_substream_t * substream) 1104 { 1105 via82xx_t *chip = snd_pcm_substream_chip(substream); 1106 viadev_t *viadev = &chip->devs[chip->playback_devno + substream->number]; 1107 int err; 1108 1109 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1110 return err; 1111 return 0; 1112 } 1113 1114 /* 1115 * open callback for playback on via823x multi-channel 1116 */ 1117 static int snd_via8233_multi_open(snd_pcm_substream_t * substream) 1118 { 1119 via82xx_t *chip = snd_pcm_substream_chip(substream); 1120 viadev_t *viadev = &chip->devs[chip->multi_devno]; 1121 int err; 1122 /* channels constraint for VIA8233A 1123 * 3 and 5 channels are not supported 1124 */ 1125 static unsigned int channels[] = { 1126 1, 2, 4, 6 1127 }; 1128 static snd_pcm_hw_constraint_list_t hw_constraints_channels = { 1129 .count = ARRAY_SIZE(channels), 1130 .list = channels, 1131 .mask = 0, 1132 }; 1133 1134 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1135 return err; 1136 substream->runtime->hw.channels_max = 6; 1137 if (chip->revision == VIA_REV_8233A) 1138 snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); 1139 return 0; 1140 } 1141 1142 /* 1143 * open callback for capture on via686 and via823x 1144 */ 1145 static int snd_via82xx_capture_open(snd_pcm_substream_t * substream) 1146 { 1147 via82xx_t *chip = snd_pcm_substream_chip(substream); 1148 viadev_t *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1149 1150 return snd_via82xx_pcm_open(chip, viadev, substream); 1151 } 1152 1153 /* 1154 * close callback 1155 */ 1156 static int snd_via82xx_pcm_close(snd_pcm_substream_t * substream) 1157 { 1158 via82xx_t *chip = snd_pcm_substream_chip(substream); 1159 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1160 struct via_rate_lock *ratep; 1161 1162 /* release the rate lock */ 1163 ratep = &chip->rates[viadev->direction]; 1164 spin_lock_irq(&ratep->lock); 1165 ratep->used--; 1166 if (! ratep->used) 1167 ratep->rate = 0; 1168 spin_unlock_irq(&ratep->lock); 1169 1170 viadev->substream = NULL; 1171 return 0; 1172 } 1173 1174 1175 /* via686 playback callbacks */ 1176 static snd_pcm_ops_t snd_via686_playback_ops = { 1177 .open = snd_via82xx_playback_open, 1178 .close = snd_via82xx_pcm_close, 1179 .ioctl = snd_pcm_lib_ioctl, 1180 .hw_params = snd_via82xx_hw_params, 1181 .hw_free = snd_via82xx_hw_free, 1182 .prepare = snd_via686_playback_prepare, 1183 .trigger = snd_via82xx_pcm_trigger, 1184 .pointer = snd_via686_pcm_pointer, 1185 .page = snd_pcm_sgbuf_ops_page, 1186 }; 1187 1188 /* via686 capture callbacks */ 1189 static snd_pcm_ops_t snd_via686_capture_ops = { 1190 .open = snd_via82xx_capture_open, 1191 .close = snd_via82xx_pcm_close, 1192 .ioctl = snd_pcm_lib_ioctl, 1193 .hw_params = snd_via82xx_hw_params, 1194 .hw_free = snd_via82xx_hw_free, 1195 .prepare = snd_via686_capture_prepare, 1196 .trigger = snd_via82xx_pcm_trigger, 1197 .pointer = snd_via686_pcm_pointer, 1198 .page = snd_pcm_sgbuf_ops_page, 1199 }; 1200 1201 /* via823x DSX playback callbacks */ 1202 static snd_pcm_ops_t snd_via8233_playback_ops = { 1203 .open = snd_via82xx_playback_open, 1204 .close = snd_via82xx_pcm_close, 1205 .ioctl = snd_pcm_lib_ioctl, 1206 .hw_params = snd_via82xx_hw_params, 1207 .hw_free = snd_via82xx_hw_free, 1208 .prepare = snd_via8233_playback_prepare, 1209 .trigger = snd_via82xx_pcm_trigger, 1210 .pointer = snd_via8233_pcm_pointer, 1211 .page = snd_pcm_sgbuf_ops_page, 1212 }; 1213 1214 /* via823x multi-channel playback callbacks */ 1215 static snd_pcm_ops_t snd_via8233_multi_ops = { 1216 .open = snd_via8233_multi_open, 1217 .close = snd_via82xx_pcm_close, 1218 .ioctl = snd_pcm_lib_ioctl, 1219 .hw_params = snd_via82xx_hw_params, 1220 .hw_free = snd_via82xx_hw_free, 1221 .prepare = snd_via8233_multi_prepare, 1222 .trigger = snd_via82xx_pcm_trigger, 1223 .pointer = snd_via8233_pcm_pointer, 1224 .page = snd_pcm_sgbuf_ops_page, 1225 }; 1226 1227 /* via823x capture callbacks */ 1228 static snd_pcm_ops_t snd_via8233_capture_ops = { 1229 .open = snd_via82xx_capture_open, 1230 .close = snd_via82xx_pcm_close, 1231 .ioctl = snd_pcm_lib_ioctl, 1232 .hw_params = snd_via82xx_hw_params, 1233 .hw_free = snd_via82xx_hw_free, 1234 .prepare = snd_via8233_capture_prepare, 1235 .trigger = snd_via82xx_pcm_trigger, 1236 .pointer = snd_via8233_pcm_pointer, 1237 .page = snd_pcm_sgbuf_ops_page, 1238 }; 1239 1240 1241 static void init_viadev(via82xx_t *chip, int idx, unsigned int reg_offset, int direction) 1242 { 1243 chip->devs[idx].reg_offset = reg_offset; 1244 chip->devs[idx].direction = direction; 1245 chip->devs[idx].port = chip->port + reg_offset; 1246 } 1247 1248 /* 1249 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1250 */ 1251 static int __devinit snd_via8233_pcm_new(via82xx_t *chip) 1252 { 1253 snd_pcm_t *pcm; 1254 int i, err; 1255 1256 chip->playback_devno = 0; /* x 4 */ 1257 chip->multi_devno = 4; /* x 1 */ 1258 chip->capture_devno = 5; /* x 2 */ 1259 chip->num_devs = 7; 1260 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1261 1262 /* PCM #0: 4 DSX playbacks and 1 capture */ 1263 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1264 if (err < 0) 1265 return err; 1266 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1267 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1268 pcm->private_data = chip; 1269 strcpy(pcm->name, chip->card->shortname); 1270 chip->pcms[0] = pcm; 1271 /* set up playbacks */ 1272 for (i = 0; i < 4; i++) 1273 init_viadev(chip, i, 0x10 * i, 0); 1274 /* capture */ 1275 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1276 1277 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1278 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1279 return err; 1280 1281 /* PCM #1: multi-channel playback and 2nd capture */ 1282 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1283 if (err < 0) 1284 return err; 1285 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1286 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1287 pcm->private_data = chip; 1288 strcpy(pcm->name, chip->card->shortname); 1289 chip->pcms[1] = pcm; 1290 /* set up playback */ 1291 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1292 /* set up capture */ 1293 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 1); 1294 1295 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1296 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1297 return err; 1298 1299 return 0; 1300 } 1301 1302 /* 1303 * create pcm instances for VIA8233A 1304 */ 1305 static int __devinit snd_via8233a_pcm_new(via82xx_t *chip) 1306 { 1307 snd_pcm_t *pcm; 1308 int err; 1309 1310 chip->multi_devno = 0; 1311 chip->playback_devno = 1; 1312 chip->capture_devno = 2; 1313 chip->num_devs = 3; 1314 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1315 1316 /* PCM #0: multi-channel playback and capture */ 1317 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1318 if (err < 0) 1319 return err; 1320 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1321 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1322 pcm->private_data = chip; 1323 strcpy(pcm->name, chip->card->shortname); 1324 chip->pcms[0] = pcm; 1325 /* set up playback */ 1326 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1327 /* capture */ 1328 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1329 1330 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1331 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1332 return err; 1333 1334 /* SPDIF supported? */ 1335 if (! ac97_can_spdif(chip->ac97)) 1336 return 0; 1337 1338 /* PCM #1: DXS3 playback (for spdif) */ 1339 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1340 if (err < 0) 1341 return err; 1342 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1343 pcm->private_data = chip; 1344 strcpy(pcm->name, chip->card->shortname); 1345 chip->pcms[1] = pcm; 1346 /* set up playback */ 1347 init_viadev(chip, chip->playback_devno, 0x30, 0); 1348 1349 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1350 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1351 return err; 1352 1353 return 0; 1354 } 1355 1356 /* 1357 * create a pcm instance for via686a/b 1358 */ 1359 static int __devinit snd_via686_pcm_new(via82xx_t *chip) 1360 { 1361 snd_pcm_t *pcm; 1362 int err; 1363 1364 chip->playback_devno = 0; 1365 chip->capture_devno = 1; 1366 chip->num_devs = 2; 1367 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1368 1369 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1370 if (err < 0) 1371 return err; 1372 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1373 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1374 pcm->private_data = chip; 1375 strcpy(pcm->name, chip->card->shortname); 1376 chip->pcms[0] = pcm; 1377 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0); 1378 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 1); 1379 1380 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1381 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1382 return err; 1383 1384 return 0; 1385 } 1386 1387 1388 /* 1389 * Mixer part 1390 */ 1391 1392 static int snd_via8233_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1393 { 1394 /* formerly they were "Line" and "Mic", but it looks like that they 1395 * have nothing to do with the actual physical connections... 1396 */ 1397 static char *texts[2] = { 1398 "Input1", "Input2" 1399 }; 1400 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1401 uinfo->count = 1; 1402 uinfo->value.enumerated.items = 2; 1403 if (uinfo->value.enumerated.item >= 2) 1404 uinfo->value.enumerated.item = 1; 1405 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1406 return 0; 1407 } 1408 1409 static int snd_via8233_capture_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1410 { 1411 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1412 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1413 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1414 return 0; 1415 } 1416 1417 static int snd_via8233_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1418 { 1419 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1420 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1421 u8 val, oval; 1422 1423 spin_lock_irq(&chip->reg_lock); 1424 oval = inb(port); 1425 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1426 if (ucontrol->value.enumerated.item[0]) 1427 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1428 if (val != oval) 1429 outb(val, port); 1430 spin_unlock_irq(&chip->reg_lock); 1431 return val != oval; 1432 } 1433 1434 static snd_kcontrol_new_t snd_via8233_capture_source __devinitdata = { 1435 .name = "Input Source Select", 1436 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1437 .info = snd_via8233_capture_source_info, 1438 .get = snd_via8233_capture_source_get, 1439 .put = snd_via8233_capture_source_put, 1440 }; 1441 1442 static int snd_via8233_dxs3_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1443 { 1444 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1445 uinfo->count = 1; 1446 uinfo->value.integer.min = 0; 1447 uinfo->value.integer.max = 1; 1448 return 0; 1449 } 1450 1451 static int snd_via8233_dxs3_spdif_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1452 { 1453 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1454 u8 val; 1455 1456 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1457 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1458 return 0; 1459 } 1460 1461 static int snd_via8233_dxs3_spdif_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1462 { 1463 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1464 u8 val, oval; 1465 1466 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1467 val = oval & ~VIA8233_SPDIF_DX3; 1468 if (ucontrol->value.integer.value[0]) 1469 val |= VIA8233_SPDIF_DX3; 1470 /* save the spdif flag for rate filtering */ 1471 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1472 if (val != oval) { 1473 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1474 return 1; 1475 } 1476 return 0; 1477 } 1478 1479 static snd_kcontrol_new_t snd_via8233_dxs3_spdif_control __devinitdata = { 1480 .name = "IEC958 Output Switch", 1481 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1482 .info = snd_via8233_dxs3_spdif_info, 1483 .get = snd_via8233_dxs3_spdif_get, 1484 .put = snd_via8233_dxs3_spdif_put, 1485 }; 1486 1487 static int snd_via8233_dxs_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1488 { 1489 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1490 uinfo->count = 2; 1491 uinfo->value.integer.min = 0; 1492 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1493 return 0; 1494 } 1495 1496 static int snd_via8233_dxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1497 { 1498 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1499 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[0]; 1500 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[1]; 1501 return 0; 1502 } 1503 1504 static int snd_via8233_dxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1505 { 1506 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1507 unsigned int idx; 1508 unsigned char val; 1509 int i, change = 0; 1510 1511 for (i = 0; i < 2; i++) { 1512 val = ucontrol->value.integer.value[i]; 1513 if (val > VIA_DXS_MAX_VOLUME) 1514 val = VIA_DXS_MAX_VOLUME; 1515 val = VIA_DXS_MAX_VOLUME - val; 1516 if (val != chip->playback_volume[i]) { 1517 change = 1; 1518 chip->playback_volume[i] = val; 1519 for (idx = 0; idx < 4; idx++) { 1520 unsigned long port = chip->port + 0x10 * idx; 1521 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1522 } 1523 } 1524 } 1525 return change; 1526 } 1527 1528 static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = { 1529 .name = "PCM Playback Volume", 1530 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1531 .info = snd_via8233_dxs_volume_info, 1532 .get = snd_via8233_dxs_volume_get, 1533 .put = snd_via8233_dxs_volume_put, 1534 }; 1535 1536 /* 1537 */ 1538 1539 static void snd_via82xx_mixer_free_ac97_bus(ac97_bus_t *bus) 1540 { 1541 via82xx_t *chip = bus->private_data; 1542 chip->ac97_bus = NULL; 1543 } 1544 1545 static void snd_via82xx_mixer_free_ac97(ac97_t *ac97) 1546 { 1547 via82xx_t *chip = ac97->private_data; 1548 chip->ac97 = NULL; 1549 } 1550 1551 static struct ac97_quirk ac97_quirks[] = { 1552 { 1553 .vendor = 0x1106, 1554 .device = 0x4161, 1555 .codec_id = 0x56494161, /* VT1612A */ 1556 .name = "Soltek SL-75DRV5", 1557 .type = AC97_TUNE_NONE 1558 }, 1559 { /* FIXME: which codec? */ 1560 .vendor = 0x1106, 1561 .device = 0x4161, 1562 .name = "ASRock K7VT2", 1563 .type = AC97_TUNE_HP_ONLY 1564 }, 1565 { 1566 .vendor = 0x1019, 1567 .device = 0x0a81, 1568 .name = "ECS K7VTA3", 1569 .type = AC97_TUNE_HP_ONLY 1570 }, 1571 { 1572 .vendor = 0x1019, 1573 .device = 0x0a85, 1574 .name = "ECS L7VMM2", 1575 .type = AC97_TUNE_HP_ONLY 1576 }, 1577 { 1578 .vendor = 0x1849, 1579 .device = 0x3059, 1580 .name = "ASRock K7VM2", 1581 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1582 }, 1583 { 1584 .vendor = 0x14cd, 1585 .device = 0x7002, 1586 .name = "Unknown", 1587 .type = AC97_TUNE_ALC_JACK 1588 }, 1589 { 1590 .vendor = 0x1071, 1591 .device = 0x8590, 1592 .name = "Mitac Mobo", 1593 .type = AC97_TUNE_ALC_JACK 1594 }, 1595 { 1596 .vendor = 0x161f, 1597 .device = 0x202b, 1598 .name = "Arima Notebook", 1599 .type = AC97_TUNE_HP_ONLY, 1600 }, 1601 { } /* terminator */ 1602 }; 1603 1604 static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, const char *quirk_override) 1605 { 1606 ac97_template_t ac97; 1607 int err; 1608 static ac97_bus_ops_t ops = { 1609 .write = snd_via82xx_codec_write, 1610 .read = snd_via82xx_codec_read, 1611 .wait = snd_via82xx_codec_wait, 1612 }; 1613 1614 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1615 return err; 1616 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1617 chip->ac97_bus->clock = chip->ac97_clock; 1618 chip->ac97_bus->shared_type = AC97_SHARED_TYPE_VIA; 1619 1620 memset(&ac97, 0, sizeof(ac97)); 1621 ac97.private_data = chip; 1622 ac97.private_free = snd_via82xx_mixer_free_ac97; 1623 ac97.pci = chip->pci; 1624 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1625 return err; 1626 1627 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1628 1629 if (chip->chip_type != TYPE_VIA686) { 1630 /* use slot 10/11 */ 1631 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1632 } 1633 1634 return 0; 1635 } 1636 1637 #ifdef SUPPORT_JOYSTICK 1638 #define JOYSTICK_ADDR 0x200 1639 static int __devinit snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1640 { 1641 struct gameport *gp; 1642 struct resource *r; 1643 1644 if (!joystick[dev]) 1645 return -ENODEV; 1646 1647 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1648 if (!r) { 1649 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", JOYSTICK_ADDR); 1650 return -EBUSY; 1651 } 1652 1653 chip->gameport = gp = gameport_allocate_port(); 1654 if (!gp) { 1655 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1656 release_resource(r); 1657 kfree_nocheck(r); 1658 return -ENOMEM; 1659 } 1660 1661 gameport_set_name(gp, "VIA686 Gameport"); 1662 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1663 gameport_set_dev_parent(gp, &chip->pci->dev); 1664 gp->io = JOYSTICK_ADDR; 1665 gameport_set_port_data(gp, r); 1666 1667 /* Enable legacy joystick port */ 1668 *legacy |= VIA_FUNC_ENABLE_GAME; 1669 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1670 1671 gameport_register_port(chip->gameport); 1672 1673 return 0; 1674 } 1675 1676 static void snd_via686_free_gameport(via82xx_t *chip) 1677 { 1678 if (chip->gameport) { 1679 struct resource *r = gameport_get_port_data(chip->gameport); 1680 1681 gameport_unregister_port(chip->gameport); 1682 chip->gameport = NULL; 1683 release_resource(r); 1684 kfree_nocheck(r); 1685 } 1686 } 1687 #else 1688 static inline int snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1689 { 1690 return -ENOSYS; 1691 } 1692 static inline void snd_via686_free_gameport(via82xx_t *chip) { } 1693 #endif 1694 1695 1696 /* 1697 * 1698 */ 1699 1700 static int __devinit snd_via8233_init_misc(via82xx_t *chip, int dev) 1701 { 1702 int i, err, caps; 1703 unsigned char val; 1704 1705 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1706 for (i = 0; i < caps; i++) { 1707 snd_via8233_capture_source.index = i; 1708 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1709 if (err < 0) 1710 return err; 1711 } 1712 if (ac97_can_spdif(chip->ac97)) { 1713 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1714 if (err < 0) 1715 return err; 1716 } 1717 if (chip->chip_type != TYPE_VIA8233A) { 1718 /* when no h/w PCM volume control is found, use DXS volume control 1719 * as the PCM vol control 1720 */ 1721 snd_ctl_elem_id_t sid; 1722 memset(&sid, 0, sizeof(sid)); 1723 strcpy(sid.name, "PCM Playback Volume"); 1724 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1725 if (! snd_ctl_find_id(chip->card, &sid)) { 1726 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1727 if (err < 0) 1728 return err; 1729 } 1730 } 1731 1732 /* select spdif data slot 10/11 */ 1733 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1734 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1735 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1736 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1737 1738 return 0; 1739 } 1740 1741 static int __devinit snd_via686_init_misc(via82xx_t *chip, int dev) 1742 { 1743 unsigned char legacy, legacy_cfg; 1744 int rev_h = 0; 1745 1746 legacy = chip->old_legacy; 1747 legacy_cfg = chip->old_legacy_cfg; 1748 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1749 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1750 if (chip->revision >= VIA_REV_686_H) { 1751 rev_h = 1; 1752 if (mpu_port[dev] >= 0x200) { /* force MIDI */ 1753 mpu_port[dev] &= 0xfffc; 1754 pci_write_config_dword(chip->pci, 0x18, mpu_port[dev] | 0x01); 1755 #ifdef CONFIG_PM 1756 chip->mpu_port_saved = mpu_port[dev]; 1757 #endif 1758 } else { 1759 mpu_port[dev] = pci_resource_start(chip->pci, 2); 1760 } 1761 } else { 1762 switch (mpu_port[dev]) { /* force MIDI */ 1763 case 0x300: 1764 case 0x310: 1765 case 0x320: 1766 case 0x330: 1767 legacy_cfg &= ~(3 << 2); 1768 legacy_cfg |= (mpu_port[dev] & 0x0030) >> 2; 1769 break; 1770 default: /* no, use BIOS settings */ 1771 if (legacy & VIA_FUNC_ENABLE_MIDI) 1772 mpu_port[dev] = 0x300 + ((legacy_cfg & 0x000c) << 2); 1773 break; 1774 } 1775 } 1776 if (mpu_port[dev] >= 0x200 && 1777 (chip->mpu_res = request_region(mpu_port[dev], 2, "VIA82xx MPU401")) != NULL) { 1778 if (rev_h) 1779 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1780 legacy |= VIA_FUNC_ENABLE_MIDI; 1781 } else { 1782 if (rev_h) 1783 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1784 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1785 mpu_port[dev] = 0; 1786 } 1787 1788 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1789 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1790 if (chip->mpu_res) { 1791 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1792 mpu_port[dev], 1, 1793 chip->irq, 0, &chip->rmidi) < 0) { 1794 printk(KERN_WARNING "unable to initialize MPU-401 at 0x%lx, skipping\n", mpu_port[dev]); 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, dev, &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 int max_count; 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 max_count = ((3 * HZ) / 4) + 1; 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 (--max_count > 0); 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 max_count = ((3 * HZ) / 4) + 1; 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 (--max_count > 0); 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_find_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 } 1935 } 1936 1937 if (chip->chip_type != TYPE_VIA8233A) { 1938 int i, idx; 1939 for (idx = 0; idx < 4; idx++) { 1940 unsigned long port = chip->port + 0x10 * idx; 1941 for (i = 0; i < 2; i++) 1942 outb(chip->playback_volume[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1943 } 1944 } 1945 1946 return 0; 1947 } 1948 1949 #ifdef CONFIG_PM 1950 /* 1951 * power management 1952 */ 1953 static int snd_via82xx_suspend(snd_card_t *card, pm_message_t state) 1954 { 1955 via82xx_t *chip = card->pm_private_data; 1956 int i; 1957 1958 for (i = 0; i < 2; i++) 1959 if (chip->pcms[i]) 1960 snd_pcm_suspend_all(chip->pcms[i]); 1961 for (i = 0; i < chip->num_devs; i++) 1962 snd_via82xx_channel_reset(chip, &chip->devs[i]); 1963 synchronize_irq(chip->irq); 1964 snd_ac97_suspend(chip->ac97); 1965 1966 /* save misc values */ 1967 if (chip->chip_type != TYPE_VIA686) { 1968 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 1969 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 1970 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 1971 } 1972 1973 pci_set_power_state(chip->pci, 3); 1974 pci_disable_device(chip->pci); 1975 return 0; 1976 } 1977 1978 static int snd_via82xx_resume(snd_card_t *card) 1979 { 1980 via82xx_t *chip = card->pm_private_data; 1981 int i; 1982 1983 pci_enable_device(chip->pci); 1984 pci_set_power_state(chip->pci, 0); 1985 1986 snd_via82xx_chip_init(chip); 1987 1988 if (chip->chip_type == TYPE_VIA686) { 1989 if (chip->mpu_port_saved) 1990 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 1991 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 1992 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 1993 } else { 1994 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 1995 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 1996 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 1997 } 1998 1999 snd_ac97_resume(chip->ac97); 2000 2001 for (i = 0; i < chip->num_devs; i++) 2002 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2003 2004 return 0; 2005 } 2006 #endif /* CONFIG_PM */ 2007 2008 static int snd_via82xx_free(via82xx_t *chip) 2009 { 2010 unsigned int i; 2011 2012 if (chip->irq < 0) 2013 goto __end_hw; 2014 /* disable interrupts */ 2015 for (i = 0; i < chip->num_devs; i++) 2016 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2017 synchronize_irq(chip->irq); 2018 __end_hw: 2019 if (chip->irq >= 0) 2020 free_irq(chip->irq, (void *)chip); 2021 if (chip->mpu_res) { 2022 release_resource(chip->mpu_res); 2023 kfree_nocheck(chip->mpu_res); 2024 } 2025 pci_release_regions(chip->pci); 2026 2027 if (chip->chip_type == TYPE_VIA686) { 2028 snd_via686_free_gameport(chip); 2029 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2030 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2031 } 2032 pci_disable_device(chip->pci); 2033 kfree(chip); 2034 return 0; 2035 } 2036 2037 static int snd_via82xx_dev_free(snd_device_t *device) 2038 { 2039 via82xx_t *chip = device->device_data; 2040 return snd_via82xx_free(chip); 2041 } 2042 2043 static int __devinit snd_via82xx_create(snd_card_t * card, 2044 struct pci_dev *pci, 2045 int chip_type, 2046 int revision, 2047 unsigned int ac97_clock, 2048 via82xx_t ** r_via) 2049 { 2050 via82xx_t *chip; 2051 int err; 2052 static snd_device_ops_t ops = { 2053 .dev_free = snd_via82xx_dev_free, 2054 }; 2055 2056 if ((err = pci_enable_device(pci)) < 0) 2057 return err; 2058 2059 if ((chip = kcalloc(1, sizeof(*chip), GFP_KERNEL)) == NULL) { 2060 pci_disable_device(pci); 2061 return -ENOMEM; 2062 } 2063 2064 chip->chip_type = chip_type; 2065 chip->revision = revision; 2066 2067 spin_lock_init(&chip->reg_lock); 2068 spin_lock_init(&chip->rates[0].lock); 2069 spin_lock_init(&chip->rates[1].lock); 2070 chip->card = card; 2071 chip->pci = pci; 2072 chip->irq = -1; 2073 2074 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2075 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2076 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2077 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2078 2079 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2080 kfree(chip); 2081 pci_disable_device(pci); 2082 return err; 2083 } 2084 chip->port = pci_resource_start(pci, 0); 2085 if (request_irq(pci->irq, snd_via82xx_interrupt, SA_INTERRUPT|SA_SHIRQ, 2086 card->driver, (void *)chip)) { 2087 snd_printk("unable to grab IRQ %d\n", pci->irq); 2088 snd_via82xx_free(chip); 2089 return -EBUSY; 2090 } 2091 chip->irq = pci->irq; 2092 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2093 chip->ac97_clock = ac97_clock; 2094 synchronize_irq(chip->irq); 2095 2096 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2097 snd_via82xx_free(chip); 2098 return err; 2099 } 2100 2101 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2102 snd_via82xx_free(chip); 2103 return err; 2104 } 2105 2106 /* The 8233 ac97 controller does not implement the master bit 2107 * in the pci command register. IMHO this is a violation of the PCI spec. 2108 * We call pci_set_master here because it does not hurt. */ 2109 pci_set_master(pci); 2110 2111 snd_card_set_dev(card, &pci->dev); 2112 2113 *r_via = chip; 2114 return 0; 2115 } 2116 2117 struct via823x_info { 2118 int revision; 2119 char *name; 2120 int type; 2121 }; 2122 static struct via823x_info via823x_cards[] __devinitdata = { 2123 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2124 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2125 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2126 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2127 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2128 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2129 }; 2130 2131 /* 2132 * auto detection of DXS channel supports. 2133 */ 2134 struct dxs_whitelist { 2135 unsigned short vendor; 2136 unsigned short device; 2137 unsigned short mask; 2138 short action; /* new dxs_support value */ 2139 }; 2140 2141 static int __devinit check_dxs_list(struct pci_dev *pci) 2142 { 2143 static struct dxs_whitelist whitelist[] = { 2144 { .vendor = 0x1005, .device = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2145 { .vendor = 0x1019, .device = 0x0996, .action = VIA_DXS_48K }, 2146 { .vendor = 0x1019, .device = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2147 { .vendor = 0x1019, .device = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 2148 { .vendor = 0x1025, .device = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */ 2149 { .vendor = 0x1043, .device = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/ 2150 { .vendor = 0x1043, .device = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ 2151 { .vendor = 0x1043, .device = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ 2152 { .vendor = 0x1071, .device = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2153 { .vendor = 0x10cf, .device = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2154 { .vendor = 0x1106, .device = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2155 { .vendor = 0x1106, .device = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2156 { .vendor = 0x1106, .device = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2157 { .vendor = 0x1297, .device = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2158 { .vendor = 0x1297, .device = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2159 { .vendor = 0x1458, .device = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2160 { .vendor = 0x1462, .device = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2161 { .vendor = 0x1462, .device = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2162 { .vendor = 0x1462, .device = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */ 2163 { .vendor = 0x1462, .device = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2164 { .vendor = 0x147b, .device = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2165 { .vendor = 0x147b, .device = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2166 { .vendor = 0x147b, .device = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2167 { .vendor = 0x147b, .device = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2168 { .vendor = 0x14ff, .device = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2169 { .vendor = 0x1584, .device = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2170 { .vendor = 0x1584, .device = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2171 { .vendor = 0x161f, .device = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2172 { .vendor = 0x161f, .device = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2173 { .vendor = 0x1631, .device = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2174 { .vendor = 0x1695, .device = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2175 { .vendor = 0x1849, .device = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2176 { } /* terminator */ 2177 }; 2178 struct dxs_whitelist *w; 2179 unsigned short subsystem_vendor; 2180 unsigned short subsystem_device; 2181 2182 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2183 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2184 2185 for (w = whitelist; w->vendor; w++) { 2186 if (w->vendor != subsystem_vendor) 2187 continue; 2188 if (w->mask) { 2189 if ((w->mask & subsystem_device) == w->device) 2190 return w->action; 2191 } else { 2192 if (subsystem_device == w->device) 2193 return w->action; 2194 } 2195 } 2196 2197 /* 2198 * not detected, try 48k rate only to be sure. 2199 */ 2200 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2201 printk(KERN_INFO " Please try dxs_support=1 or dxs_support=4 option\n"); 2202 printk(KERN_INFO " and report if it works on your machine.\n"); 2203 return VIA_DXS_48K; 2204 }; 2205 2206 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2207 const struct pci_device_id *pci_id) 2208 { 2209 static int dev; 2210 snd_card_t *card; 2211 via82xx_t *chip; 2212 unsigned char revision; 2213 int chip_type = 0, card_type; 2214 unsigned int i; 2215 int err; 2216 2217 if (dev >= SNDRV_CARDS) 2218 return -ENODEV; 2219 if (!enable[dev]) { 2220 dev++; 2221 return -ENOENT; 2222 } 2223 2224 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); 2225 if (card == NULL) 2226 return -ENOMEM; 2227 2228 card_type = pci_id->driver_data; 2229 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2230 switch (card_type) { 2231 case TYPE_CARD_VIA686: 2232 strcpy(card->driver, "VIA686A"); 2233 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2234 chip_type = TYPE_VIA686; 2235 break; 2236 case TYPE_CARD_VIA8233: 2237 chip_type = TYPE_VIA8233; 2238 sprintf(card->shortname, "VIA 823x rev%x", revision); 2239 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2240 if (revision == via823x_cards[i].revision) { 2241 chip_type = via823x_cards[i].type; 2242 strcpy(card->shortname, via823x_cards[i].name); 2243 break; 2244 } 2245 } 2246 if (chip_type != TYPE_VIA8233A) { 2247 if (dxs_support[dev] == VIA_DXS_AUTO) 2248 dxs_support[dev] = check_dxs_list(pci); 2249 /* force to use VIA8233 or 8233A model according to 2250 * dxs_support module option 2251 */ 2252 if (dxs_support[dev] == VIA_DXS_DISABLE) 2253 chip_type = TYPE_VIA8233A; 2254 else 2255 chip_type = TYPE_VIA8233; 2256 } 2257 if (chip_type == TYPE_VIA8233A) 2258 strcpy(card->driver, "VIA8233A"); 2259 else if (revision >= VIA_REV_8237) 2260 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2261 else 2262 strcpy(card->driver, "VIA8233"); 2263 break; 2264 default: 2265 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2266 err = -EINVAL; 2267 goto __error; 2268 } 2269 2270 if ((err = snd_via82xx_create(card, pci, chip_type, revision, ac97_clock[dev], &chip)) < 0) 2271 goto __error; 2272 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk[dev])) < 0) 2273 goto __error; 2274 2275 if (chip_type == TYPE_VIA686) { 2276 if ((err = snd_via686_pcm_new(chip)) < 0 || 2277 (err = snd_via686_init_misc(chip, dev)) < 0) 2278 goto __error; 2279 } else { 2280 if (chip_type == TYPE_VIA8233A) { 2281 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2282 goto __error; 2283 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2284 } else { 2285 if ((err = snd_via8233_pcm_new(chip)) < 0) 2286 goto __error; 2287 if (dxs_support[dev] == VIA_DXS_48K) 2288 chip->dxs_fixed = 1; 2289 else if (dxs_support[dev] == VIA_DXS_NO_VRA) 2290 chip->no_vra = 1; 2291 } 2292 if ((err = snd_via8233_init_misc(chip, dev)) < 0) 2293 goto __error; 2294 } 2295 2296 snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip); 2297 2298 /* disable interrupts */ 2299 for (i = 0; i < chip->num_devs; i++) 2300 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2301 2302 snprintf(card->longname, sizeof(card->longname), 2303 "%s with %s at %#lx, irq %d", card->shortname, 2304 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2305 2306 snd_via82xx_proc_init(chip); 2307 2308 if ((err = snd_card_register(card)) < 0) { 2309 snd_card_free(card); 2310 return err; 2311 } 2312 pci_set_drvdata(pci, card); 2313 dev++; 2314 return 0; 2315 2316 __error: 2317 snd_card_free(card); 2318 return err; 2319 } 2320 2321 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2322 { 2323 snd_card_free(pci_get_drvdata(pci)); 2324 pci_set_drvdata(pci, NULL); 2325 } 2326 2327 static struct pci_driver driver = { 2328 .name = "VIA 82xx Audio", 2329 .id_table = snd_via82xx_ids, 2330 .probe = snd_via82xx_probe, 2331 .remove = __devexit_p(snd_via82xx_remove), 2332 SND_PCI_PM_CALLBACKS 2333 }; 2334 2335 static int __init alsa_card_via82xx_init(void) 2336 { 2337 return pci_module_init(&driver); 2338 } 2339 2340 static void __exit alsa_card_via82xx_exit(void) 2341 { 2342 pci_unregister_driver(&driver); 2343 } 2344 2345 module_init(alsa_card_via82xx_init) 2346 module_exit(alsa_card_via82xx_exit) 2347