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 /* 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 #define VIA_DXS_SRC 5 306 307 308 /* 309 */ 310 311 typedef struct _snd_via82xx via82xx_t; 312 typedef struct via_dev viadev_t; 313 314 /* 315 * pcm stream 316 */ 317 318 struct snd_via_sg_table { 319 unsigned int offset; 320 unsigned int size; 321 } ; 322 323 #define VIA_TABLE_SIZE 255 324 325 struct via_dev { 326 unsigned int reg_offset; 327 unsigned long port; 328 int direction; /* playback = 0, capture = 1 */ 329 snd_pcm_substream_t *substream; 330 int running; 331 unsigned int tbl_entries; /* # descriptors */ 332 struct snd_dma_buffer table; 333 struct snd_via_sg_table *idx_table; 334 /* for recovery from the unexpected pointer */ 335 unsigned int lastpos; 336 unsigned int fragsize; 337 unsigned int bufsize; 338 unsigned int bufsize2; 339 }; 340 341 342 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 343 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 344 345 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 346 347 struct via_rate_lock { 348 spinlock_t lock; 349 int rate; 350 int used; 351 }; 352 353 struct _snd_via82xx { 354 int irq; 355 356 unsigned long port; 357 struct resource *mpu_res; 358 int chip_type; 359 unsigned char revision; 360 361 unsigned char old_legacy; 362 unsigned char old_legacy_cfg; 363 #ifdef CONFIG_PM 364 unsigned char legacy_saved; 365 unsigned char legacy_cfg_saved; 366 unsigned char spdif_ctrl_saved; 367 unsigned char capture_src_saved[2]; 368 unsigned int mpu_port_saved; 369 #endif 370 371 unsigned char playback_volume[2]; /* for VIA8233/C/8235; default = 0 */ 372 373 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 374 375 struct pci_dev *pci; 376 snd_card_t *card; 377 378 unsigned int num_devs; 379 unsigned int playback_devno, multi_devno, capture_devno; 380 viadev_t devs[VIA_MAX_DEVS]; 381 struct via_rate_lock rates[2]; /* playback and capture */ 382 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 383 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 384 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 385 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 386 387 snd_pcm_t *pcms[2]; 388 snd_rawmidi_t *rmidi; 389 390 ac97_bus_t *ac97_bus; 391 ac97_t *ac97; 392 unsigned int ac97_clock; 393 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 394 395 spinlock_t reg_lock; 396 snd_info_entry_t *proc_entry; 397 398 #ifdef SUPPORT_JOYSTICK 399 struct gameport *gameport; 400 #endif 401 }; 402 403 static struct pci_device_id snd_via82xx_ids[] = { 404 { 0x1106, 0x3058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 405 { 0x1106, 0x3059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 406 { 0, } 407 }; 408 409 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 410 411 /* 412 */ 413 414 /* 415 * allocate and initialize the descriptor buffers 416 * periods = number of periods 417 * fragsize = period size in bytes 418 */ 419 static int build_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 420 struct pci_dev *pci, 421 unsigned int periods, unsigned int fragsize) 422 { 423 unsigned int i, idx, ofs, rest; 424 via82xx_t *chip = snd_pcm_substream_chip(substream); 425 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 426 427 if (dev->table.area == NULL) { 428 /* the start of each lists must be aligned to 8 bytes, 429 * but the kernel pages are much bigger, so we don't care 430 */ 431 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 432 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 433 &dev->table) < 0) 434 return -ENOMEM; 435 } 436 if (! dev->idx_table) { 437 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 438 if (! dev->idx_table) 439 return -ENOMEM; 440 } 441 442 /* fill the entries */ 443 idx = 0; 444 ofs = 0; 445 for (i = 0; i < periods; i++) { 446 rest = fragsize; 447 /* fill descriptors for a period. 448 * a period can be split to several descriptors if it's 449 * over page boundary. 450 */ 451 do { 452 unsigned int r; 453 unsigned int flag; 454 455 if (idx >= VIA_TABLE_SIZE) { 456 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 457 return -EINVAL; 458 } 459 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 460 r = PAGE_SIZE - (ofs % PAGE_SIZE); 461 if (rest < r) 462 r = rest; 463 rest -= r; 464 if (! rest) { 465 if (i == periods - 1) 466 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 467 else 468 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 469 } else 470 flag = 0; /* period continues to the next */ 471 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 472 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 473 dev->idx_table[idx].offset = ofs; 474 dev->idx_table[idx].size = r; 475 ofs += r; 476 idx++; 477 } while (rest > 0); 478 } 479 dev->tbl_entries = idx; 480 dev->bufsize = periods * fragsize; 481 dev->bufsize2 = dev->bufsize / 2; 482 dev->fragsize = fragsize; 483 return 0; 484 } 485 486 487 static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 488 struct pci_dev *pci) 489 { 490 if (dev->table.area) { 491 snd_dma_free_pages(&dev->table); 492 dev->table.area = NULL; 493 } 494 kfree(dev->idx_table); 495 dev->idx_table = NULL; 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 msleep(500); 551 } 552 553 static void snd_via82xx_codec_write(ac97_t *ac97, 554 unsigned short reg, 555 unsigned short val) 556 { 557 via82xx_t *chip = ac97->private_data; 558 unsigned int xval; 559 560 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 561 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 562 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 563 xval |= val << VIA_REG_AC97_DATA_SHIFT; 564 snd_via82xx_codec_xwrite(chip, xval); 565 snd_via82xx_codec_ready(chip, ac97->num); 566 } 567 568 static unsigned short snd_via82xx_codec_read(ac97_t *ac97, unsigned short reg) 569 { 570 via82xx_t *chip = ac97->private_data; 571 unsigned int xval, val = 0xffff; 572 int again = 0; 573 574 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 575 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 576 xval |= VIA_REG_AC97_READ; 577 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 578 while (1) { 579 if (again++ > 3) { 580 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", ac97->num, snd_via82xx_codec_xread(chip)); 581 return 0xffff; 582 } 583 snd_via82xx_codec_xwrite(chip, xval); 584 udelay (20); 585 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 586 udelay(25); 587 val = snd_via82xx_codec_xread(chip); 588 break; 589 } 590 } 591 return val & 0xffff; 592 } 593 594 static void snd_via82xx_channel_reset(via82xx_t *chip, viadev_t *viadev) 595 { 596 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 597 VIADEV_REG(viadev, OFFSET_CONTROL)); 598 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 599 udelay(50); 600 /* disable interrupts */ 601 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 602 /* clear interrupts */ 603 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 604 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 605 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 606 viadev->lastpos = 0; 607 } 608 609 610 /* 611 * Interrupt handler 612 */ 613 614 static irqreturn_t snd_via82xx_interrupt(int irq, void *dev_id, struct pt_regs *regs) 615 { 616 via82xx_t *chip = dev_id; 617 unsigned int status; 618 unsigned int i; 619 620 status = inl(VIAREG(chip, SGD_SHADOW)); 621 if (! (status & chip->intr_mask)) { 622 if (chip->rmidi) 623 /* check mpu401 interrupt */ 624 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); 625 return IRQ_NONE; 626 } 627 628 /* check status for each stream */ 629 spin_lock(&chip->reg_lock); 630 for (i = 0; i < chip->num_devs; i++) { 631 viadev_t *viadev = &chip->devs[i]; 632 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 633 c_status &= (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED); 634 if (! c_status) 635 continue; 636 if (viadev->substream && viadev->running) { 637 spin_unlock(&chip->reg_lock); 638 snd_pcm_period_elapsed(viadev->substream); 639 spin_lock(&chip->reg_lock); 640 } 641 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 642 } 643 spin_unlock(&chip->reg_lock); 644 return IRQ_HANDLED; 645 } 646 647 /* 648 * PCM callbacks 649 */ 650 651 /* 652 * trigger callback 653 */ 654 static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd) 655 { 656 via82xx_t *chip = snd_pcm_substream_chip(substream); 657 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 658 unsigned char val; 659 660 if (chip->chip_type != TYPE_VIA686) 661 val = VIA_REG_CTRL_INT; 662 else 663 val = 0; 664 switch (cmd) { 665 case SNDRV_PCM_TRIGGER_START: 666 case SNDRV_PCM_TRIGGER_RESUME: 667 val |= VIA_REG_CTRL_START; 668 viadev->running = 1; 669 break; 670 case SNDRV_PCM_TRIGGER_STOP: 671 case SNDRV_PCM_TRIGGER_SUSPEND: 672 val = VIA_REG_CTRL_TERMINATE; 673 viadev->running = 0; 674 break; 675 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 676 val |= VIA_REG_CTRL_PAUSE; 677 viadev->running = 0; 678 break; 679 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 680 viadev->running = 1; 681 break; 682 default: 683 return -EINVAL; 684 } 685 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 686 if (cmd == SNDRV_PCM_TRIGGER_STOP) 687 snd_via82xx_channel_reset(chip, viadev); 688 return 0; 689 } 690 691 692 /* 693 * pointer callbacks 694 */ 695 696 /* 697 * calculate the linear position at the given sg-buffer index and the rest count 698 */ 699 700 #define check_invalid_pos(viadev,pos) \ 701 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2)) 702 703 static inline unsigned int calc_linear_pos(viadev_t *viadev, unsigned int idx, unsigned int count) 704 { 705 unsigned int size, base, res; 706 707 size = viadev->idx_table[idx].size; 708 base = viadev->idx_table[idx].offset; 709 res = base + size - count; 710 711 /* check the validity of the calculated position */ 712 if (size < count) { 713 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", (int)size, (int)count); 714 res = viadev->lastpos; 715 } else { 716 if (! count) { 717 /* Some mobos report count = 0 on the DMA boundary, 718 * i.e. count = size indeed. 719 * Let's check whether this step is above the expected size. 720 */ 721 int delta = res - viadev->lastpos; 722 if (delta < 0) 723 delta += viadev->bufsize; 724 if ((unsigned int)delta > viadev->fragsize) 725 res = base; 726 } 727 if (check_invalid_pos(viadev, res)) { 728 #ifdef POINTER_DEBUG 729 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); 730 #endif 731 /* count register returns full size when end of buffer is reached */ 732 res = base + size; 733 if (check_invalid_pos(viadev, res)) { 734 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 735 res = viadev->lastpos; 736 } 737 } 738 } 739 viadev->lastpos = res; /* remember the last position */ 740 if (res >= viadev->bufsize) 741 res -= viadev->bufsize; 742 return res; 743 } 744 745 /* 746 * get the current pointer on via686 747 */ 748 static snd_pcm_uframes_t snd_via686_pcm_pointer(snd_pcm_substream_t *substream) 749 { 750 via82xx_t *chip = snd_pcm_substream_chip(substream); 751 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 752 unsigned int idx, ptr, count, res; 753 754 snd_assert(viadev->tbl_entries, return 0); 755 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 756 return 0; 757 758 spin_lock(&chip->reg_lock); 759 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 760 /* The via686a does not have the current index register, 761 * so we need to calculate the index from CURR_PTR. 762 */ 763 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 764 if (ptr <= (unsigned int)viadev->table.addr) 765 idx = 0; 766 else /* CURR_PTR holds the address + 8 */ 767 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 768 res = calc_linear_pos(viadev, idx, count); 769 spin_unlock(&chip->reg_lock); 770 771 return bytes_to_frames(substream->runtime, res); 772 } 773 774 /* 775 * get the current pointer on via823x 776 */ 777 static snd_pcm_uframes_t snd_via8233_pcm_pointer(snd_pcm_substream_t *substream) 778 { 779 via82xx_t *chip = snd_pcm_substream_chip(substream); 780 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 781 unsigned int idx, count, res; 782 int timeout = 5000; 783 784 snd_assert(viadev->tbl_entries, return 0); 785 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 786 return 0; 787 spin_lock(&chip->reg_lock); 788 do { 789 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 790 /* some mobos read 0 count */ 791 if ((count & 0xffffff) || ! viadev->running) 792 break; 793 } while (--timeout); 794 if (! timeout) 795 snd_printd(KERN_ERR "zero position is read\n"); 796 idx = count >> 24; 797 if (idx >= viadev->tbl_entries) { 798 #ifdef POINTER_DEBUG 799 printk("fail: invalid idx = %i/%i\n", idx, viadev->tbl_entries); 800 #endif 801 res = viadev->lastpos; 802 } else { 803 count &= 0xffffff; 804 res = calc_linear_pos(viadev, idx, count); 805 } 806 spin_unlock(&chip->reg_lock); 807 808 return bytes_to_frames(substream->runtime, res); 809 } 810 811 812 /* 813 * hw_params callback: 814 * allocate the buffer and build up the buffer description table 815 */ 816 static int snd_via82xx_hw_params(snd_pcm_substream_t * substream, 817 snd_pcm_hw_params_t * hw_params) 818 { 819 via82xx_t *chip = snd_pcm_substream_chip(substream); 820 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 821 int err; 822 823 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 824 if (err < 0) 825 return err; 826 err = build_via_table(viadev, substream, chip->pci, 827 params_periods(hw_params), 828 params_period_bytes(hw_params)); 829 if (err < 0) 830 return err; 831 832 return 0; 833 } 834 835 /* 836 * hw_free callback: 837 * clean up the buffer description table and release the buffer 838 */ 839 static int snd_via82xx_hw_free(snd_pcm_substream_t * substream) 840 { 841 via82xx_t *chip = snd_pcm_substream_chip(substream); 842 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 843 844 clean_via_table(viadev, substream, chip->pci); 845 snd_pcm_lib_free_pages(substream); 846 return 0; 847 } 848 849 850 /* 851 * set up the table pointer 852 */ 853 static void snd_via82xx_set_table_ptr(via82xx_t *chip, viadev_t *viadev) 854 { 855 snd_via82xx_codec_ready(chip, 0); 856 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 857 udelay(20); 858 snd_via82xx_codec_ready(chip, 0); 859 } 860 861 /* 862 * prepare callback for playback and capture on via686 863 */ 864 static void via686_setup_format(via82xx_t *chip, viadev_t *viadev, snd_pcm_runtime_t *runtime) 865 { 866 snd_via82xx_channel_reset(chip, viadev); 867 /* this must be set after channel_reset */ 868 snd_via82xx_set_table_ptr(chip, viadev); 869 outb(VIA_REG_TYPE_AUTOSTART | 870 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 871 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 872 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 873 VIA_REG_TYPE_INT_EOL | 874 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 875 } 876 877 static int snd_via686_playback_prepare(snd_pcm_substream_t *substream) 878 { 879 via82xx_t *chip = snd_pcm_substream_chip(substream); 880 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 881 snd_pcm_runtime_t *runtime = substream->runtime; 882 883 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 884 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 885 via686_setup_format(chip, viadev, runtime); 886 return 0; 887 } 888 889 static int snd_via686_capture_prepare(snd_pcm_substream_t *substream) 890 { 891 via82xx_t *chip = snd_pcm_substream_chip(substream); 892 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 893 snd_pcm_runtime_t *runtime = substream->runtime; 894 895 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 896 via686_setup_format(chip, viadev, runtime); 897 return 0; 898 } 899 900 /* 901 * lock the current rate 902 */ 903 static int via_lock_rate(struct via_rate_lock *rec, int rate) 904 { 905 int changed = 0; 906 907 spin_lock_irq(&rec->lock); 908 if (rec->rate != rate) { 909 if (rec->rate && rec->used > 1) /* already set */ 910 changed = -EINVAL; 911 else { 912 rec->rate = rate; 913 changed = 1; 914 } 915 } 916 spin_unlock_irq(&rec->lock); 917 return changed; 918 } 919 920 /* 921 * prepare callback for DSX playback on via823x 922 */ 923 static int snd_via8233_playback_prepare(snd_pcm_substream_t *substream) 924 { 925 via82xx_t *chip = snd_pcm_substream_chip(substream); 926 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 927 snd_pcm_runtime_t *runtime = substream->runtime; 928 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 929 int rate_changed; 930 u32 rbits; 931 932 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 933 return rate_changed; 934 if (rate_changed) 935 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 936 chip->no_vra ? 48000 : runtime->rate); 937 if (chip->spdif_on && viadev->reg_offset == 0x30) 938 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 939 940 if (runtime->rate == 48000) 941 rbits = 0xfffff; 942 else 943 rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; 944 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 945 snd_via82xx_channel_reset(chip, viadev); 946 snd_via82xx_set_table_ptr(chip, viadev); 947 outb(chip->playback_volume[0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 948 outb(chip->playback_volume[1], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 949 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 950 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 951 rbits | /* rate */ 952 0xff000000, /* STOP index is never reached */ 953 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 954 udelay(20); 955 snd_via82xx_codec_ready(chip, 0); 956 return 0; 957 } 958 959 /* 960 * prepare callback for multi-channel playback on via823x 961 */ 962 static int snd_via8233_multi_prepare(snd_pcm_substream_t *substream) 963 { 964 via82xx_t *chip = snd_pcm_substream_chip(substream); 965 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 966 snd_pcm_runtime_t *runtime = substream->runtime; 967 unsigned int slots; 968 int fmt; 969 970 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 971 return -EINVAL; 972 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 973 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 974 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 975 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 976 snd_via82xx_channel_reset(chip, viadev); 977 snd_via82xx_set_table_ptr(chip, viadev); 978 979 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 980 fmt |= runtime->channels << 4; 981 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 982 #if 0 983 if (chip->revision == VIA_REV_8233A) 984 slots = 0; 985 else 986 #endif 987 { 988 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 989 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 990 switch (runtime->channels) { 991 case 1: slots = (1<<0) | (1<<4); break; 992 case 2: slots = (1<<0) | (2<<4); break; 993 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 994 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 995 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 996 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 997 default: slots = 0; break; 998 } 999 } 1000 /* STOP index is never reached */ 1001 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1002 udelay(20); 1003 snd_via82xx_codec_ready(chip, 0); 1004 return 0; 1005 } 1006 1007 /* 1008 * prepare callback for capture on via823x 1009 */ 1010 static int snd_via8233_capture_prepare(snd_pcm_substream_t *substream) 1011 { 1012 via82xx_t *chip = snd_pcm_substream_chip(substream); 1013 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1014 snd_pcm_runtime_t *runtime = substream->runtime; 1015 1016 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1017 return -EINVAL; 1018 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1019 snd_via82xx_channel_reset(chip, viadev); 1020 snd_via82xx_set_table_ptr(chip, viadev); 1021 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1022 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1023 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1024 0xff000000, /* STOP index is never reached */ 1025 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1026 udelay(20); 1027 snd_via82xx_codec_ready(chip, 0); 1028 return 0; 1029 } 1030 1031 1032 /* 1033 * pcm hardware definition, identical for both playback and capture 1034 */ 1035 static snd_pcm_hardware_t snd_via82xx_hw = 1036 { 1037 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1038 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1039 SNDRV_PCM_INFO_MMAP_VALID | 1040 /* SNDRV_PCM_INFO_RESUME | */ 1041 SNDRV_PCM_INFO_PAUSE), 1042 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1043 .rates = SNDRV_PCM_RATE_48000, 1044 .rate_min = 48000, 1045 .rate_max = 48000, 1046 .channels_min = 1, 1047 .channels_max = 2, 1048 .buffer_bytes_max = 128 * 1024, 1049 .period_bytes_min = 32, 1050 .period_bytes_max = 128 * 1024, 1051 .periods_min = 2, 1052 .periods_max = VIA_TABLE_SIZE / 2, 1053 .fifo_size = 0, 1054 }; 1055 1056 1057 /* 1058 * open callback skeleton 1059 */ 1060 static int snd_via82xx_pcm_open(via82xx_t *chip, viadev_t *viadev, snd_pcm_substream_t * substream) 1061 { 1062 snd_pcm_runtime_t *runtime = substream->runtime; 1063 int err; 1064 struct via_rate_lock *ratep; 1065 1066 runtime->hw = snd_via82xx_hw; 1067 1068 /* set the hw rate condition */ 1069 ratep = &chip->rates[viadev->direction]; 1070 spin_lock_irq(&ratep->lock); 1071 ratep->used++; 1072 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1073 /* DXS#3 and spdif is on */ 1074 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1075 snd_pcm_limit_hw_rates(runtime); 1076 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1077 /* fixed DXS playback rate */ 1078 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1079 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1080 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1081 /* use full SRC capabilities of DXS */ 1082 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1083 SNDRV_PCM_RATE_8000_48000); 1084 runtime->hw.rate_min = 8000; 1085 runtime->hw.rate_max = 48000; 1086 } else if (! ratep->rate) { 1087 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1088 runtime->hw.rates = chip->ac97->rates[idx]; 1089 snd_pcm_limit_hw_rates(runtime); 1090 } else { 1091 /* a fixed rate */ 1092 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1093 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1094 } 1095 spin_unlock_irq(&ratep->lock); 1096 1097 /* we may remove following constaint when we modify table entries 1098 in interrupt */ 1099 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1100 return err; 1101 1102 runtime->private_data = viadev; 1103 viadev->substream = substream; 1104 1105 return 0; 1106 } 1107 1108 1109 /* 1110 * open callback for playback on via686 and via823x DSX 1111 */ 1112 static int snd_via82xx_playback_open(snd_pcm_substream_t * substream) 1113 { 1114 via82xx_t *chip = snd_pcm_substream_chip(substream); 1115 viadev_t *viadev = &chip->devs[chip->playback_devno + substream->number]; 1116 int err; 1117 1118 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1119 return err; 1120 return 0; 1121 } 1122 1123 /* 1124 * open callback for playback on via823x multi-channel 1125 */ 1126 static int snd_via8233_multi_open(snd_pcm_substream_t * substream) 1127 { 1128 via82xx_t *chip = snd_pcm_substream_chip(substream); 1129 viadev_t *viadev = &chip->devs[chip->multi_devno]; 1130 int err; 1131 /* channels constraint for VIA8233A 1132 * 3 and 5 channels are not supported 1133 */ 1134 static unsigned int channels[] = { 1135 1, 2, 4, 6 1136 }; 1137 static snd_pcm_hw_constraint_list_t hw_constraints_channels = { 1138 .count = ARRAY_SIZE(channels), 1139 .list = channels, 1140 .mask = 0, 1141 }; 1142 1143 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1144 return err; 1145 substream->runtime->hw.channels_max = 6; 1146 if (chip->revision == VIA_REV_8233A) 1147 snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); 1148 return 0; 1149 } 1150 1151 /* 1152 * open callback for capture on via686 and via823x 1153 */ 1154 static int snd_via82xx_capture_open(snd_pcm_substream_t * substream) 1155 { 1156 via82xx_t *chip = snd_pcm_substream_chip(substream); 1157 viadev_t *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1158 1159 return snd_via82xx_pcm_open(chip, viadev, substream); 1160 } 1161 1162 /* 1163 * close callback 1164 */ 1165 static int snd_via82xx_pcm_close(snd_pcm_substream_t * substream) 1166 { 1167 via82xx_t *chip = snd_pcm_substream_chip(substream); 1168 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1169 struct via_rate_lock *ratep; 1170 1171 /* release the rate lock */ 1172 ratep = &chip->rates[viadev->direction]; 1173 spin_lock_irq(&ratep->lock); 1174 ratep->used--; 1175 if (! ratep->used) 1176 ratep->rate = 0; 1177 spin_unlock_irq(&ratep->lock); 1178 1179 viadev->substream = NULL; 1180 return 0; 1181 } 1182 1183 1184 /* via686 playback callbacks */ 1185 static snd_pcm_ops_t snd_via686_playback_ops = { 1186 .open = snd_via82xx_playback_open, 1187 .close = snd_via82xx_pcm_close, 1188 .ioctl = snd_pcm_lib_ioctl, 1189 .hw_params = snd_via82xx_hw_params, 1190 .hw_free = snd_via82xx_hw_free, 1191 .prepare = snd_via686_playback_prepare, 1192 .trigger = snd_via82xx_pcm_trigger, 1193 .pointer = snd_via686_pcm_pointer, 1194 .page = snd_pcm_sgbuf_ops_page, 1195 }; 1196 1197 /* via686 capture callbacks */ 1198 static snd_pcm_ops_t snd_via686_capture_ops = { 1199 .open = snd_via82xx_capture_open, 1200 .close = snd_via82xx_pcm_close, 1201 .ioctl = snd_pcm_lib_ioctl, 1202 .hw_params = snd_via82xx_hw_params, 1203 .hw_free = snd_via82xx_hw_free, 1204 .prepare = snd_via686_capture_prepare, 1205 .trigger = snd_via82xx_pcm_trigger, 1206 .pointer = snd_via686_pcm_pointer, 1207 .page = snd_pcm_sgbuf_ops_page, 1208 }; 1209 1210 /* via823x DSX playback callbacks */ 1211 static snd_pcm_ops_t snd_via8233_playback_ops = { 1212 .open = snd_via82xx_playback_open, 1213 .close = snd_via82xx_pcm_close, 1214 .ioctl = snd_pcm_lib_ioctl, 1215 .hw_params = snd_via82xx_hw_params, 1216 .hw_free = snd_via82xx_hw_free, 1217 .prepare = snd_via8233_playback_prepare, 1218 .trigger = snd_via82xx_pcm_trigger, 1219 .pointer = snd_via8233_pcm_pointer, 1220 .page = snd_pcm_sgbuf_ops_page, 1221 }; 1222 1223 /* via823x multi-channel playback callbacks */ 1224 static snd_pcm_ops_t snd_via8233_multi_ops = { 1225 .open = snd_via8233_multi_open, 1226 .close = snd_via82xx_pcm_close, 1227 .ioctl = snd_pcm_lib_ioctl, 1228 .hw_params = snd_via82xx_hw_params, 1229 .hw_free = snd_via82xx_hw_free, 1230 .prepare = snd_via8233_multi_prepare, 1231 .trigger = snd_via82xx_pcm_trigger, 1232 .pointer = snd_via8233_pcm_pointer, 1233 .page = snd_pcm_sgbuf_ops_page, 1234 }; 1235 1236 /* via823x capture callbacks */ 1237 static snd_pcm_ops_t snd_via8233_capture_ops = { 1238 .open = snd_via82xx_capture_open, 1239 .close = snd_via82xx_pcm_close, 1240 .ioctl = snd_pcm_lib_ioctl, 1241 .hw_params = snd_via82xx_hw_params, 1242 .hw_free = snd_via82xx_hw_free, 1243 .prepare = snd_via8233_capture_prepare, 1244 .trigger = snd_via82xx_pcm_trigger, 1245 .pointer = snd_via8233_pcm_pointer, 1246 .page = snd_pcm_sgbuf_ops_page, 1247 }; 1248 1249 1250 static void init_viadev(via82xx_t *chip, int idx, unsigned int reg_offset, int direction) 1251 { 1252 chip->devs[idx].reg_offset = reg_offset; 1253 chip->devs[idx].direction = direction; 1254 chip->devs[idx].port = chip->port + reg_offset; 1255 } 1256 1257 /* 1258 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1259 */ 1260 static int __devinit snd_via8233_pcm_new(via82xx_t *chip) 1261 { 1262 snd_pcm_t *pcm; 1263 int i, err; 1264 1265 chip->playback_devno = 0; /* x 4 */ 1266 chip->multi_devno = 4; /* x 1 */ 1267 chip->capture_devno = 5; /* x 2 */ 1268 chip->num_devs = 7; 1269 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1270 1271 /* PCM #0: 4 DSX playbacks and 1 capture */ 1272 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1273 if (err < 0) 1274 return err; 1275 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1276 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1277 pcm->private_data = chip; 1278 strcpy(pcm->name, chip->card->shortname); 1279 chip->pcms[0] = pcm; 1280 /* set up playbacks */ 1281 for (i = 0; i < 4; i++) 1282 init_viadev(chip, i, 0x10 * i, 0); 1283 /* capture */ 1284 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1285 1286 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1287 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1288 return err; 1289 1290 /* PCM #1: multi-channel playback and 2nd capture */ 1291 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1292 if (err < 0) 1293 return err; 1294 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1295 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1296 pcm->private_data = chip; 1297 strcpy(pcm->name, chip->card->shortname); 1298 chip->pcms[1] = pcm; 1299 /* set up playback */ 1300 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1301 /* set up capture */ 1302 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 1); 1303 1304 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1305 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1306 return err; 1307 1308 return 0; 1309 } 1310 1311 /* 1312 * create pcm instances for VIA8233A 1313 */ 1314 static int __devinit snd_via8233a_pcm_new(via82xx_t *chip) 1315 { 1316 snd_pcm_t *pcm; 1317 int err; 1318 1319 chip->multi_devno = 0; 1320 chip->playback_devno = 1; 1321 chip->capture_devno = 2; 1322 chip->num_devs = 3; 1323 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1324 1325 /* PCM #0: multi-channel playback and capture */ 1326 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1327 if (err < 0) 1328 return err; 1329 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1330 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1331 pcm->private_data = chip; 1332 strcpy(pcm->name, chip->card->shortname); 1333 chip->pcms[0] = pcm; 1334 /* set up playback */ 1335 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1336 /* capture */ 1337 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1338 1339 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1340 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1341 return err; 1342 1343 /* SPDIF supported? */ 1344 if (! ac97_can_spdif(chip->ac97)) 1345 return 0; 1346 1347 /* PCM #1: DXS3 playback (for spdif) */ 1348 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1349 if (err < 0) 1350 return err; 1351 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1352 pcm->private_data = chip; 1353 strcpy(pcm->name, chip->card->shortname); 1354 chip->pcms[1] = pcm; 1355 /* set up playback */ 1356 init_viadev(chip, chip->playback_devno, 0x30, 0); 1357 1358 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1359 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1360 return err; 1361 1362 return 0; 1363 } 1364 1365 /* 1366 * create a pcm instance for via686a/b 1367 */ 1368 static int __devinit snd_via686_pcm_new(via82xx_t *chip) 1369 { 1370 snd_pcm_t *pcm; 1371 int err; 1372 1373 chip->playback_devno = 0; 1374 chip->capture_devno = 1; 1375 chip->num_devs = 2; 1376 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1377 1378 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1379 if (err < 0) 1380 return err; 1381 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1382 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1383 pcm->private_data = chip; 1384 strcpy(pcm->name, chip->card->shortname); 1385 chip->pcms[0] = pcm; 1386 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0); 1387 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 1); 1388 1389 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1390 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1391 return err; 1392 1393 return 0; 1394 } 1395 1396 1397 /* 1398 * Mixer part 1399 */ 1400 1401 static int snd_via8233_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1402 { 1403 /* formerly they were "Line" and "Mic", but it looks like that they 1404 * have nothing to do with the actual physical connections... 1405 */ 1406 static char *texts[2] = { 1407 "Input1", "Input2" 1408 }; 1409 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1410 uinfo->count = 1; 1411 uinfo->value.enumerated.items = 2; 1412 if (uinfo->value.enumerated.item >= 2) 1413 uinfo->value.enumerated.item = 1; 1414 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1415 return 0; 1416 } 1417 1418 static int snd_via8233_capture_source_get(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 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1423 return 0; 1424 } 1425 1426 static int snd_via8233_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1427 { 1428 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1429 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1430 u8 val, oval; 1431 1432 spin_lock_irq(&chip->reg_lock); 1433 oval = inb(port); 1434 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1435 if (ucontrol->value.enumerated.item[0]) 1436 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1437 if (val != oval) 1438 outb(val, port); 1439 spin_unlock_irq(&chip->reg_lock); 1440 return val != oval; 1441 } 1442 1443 static snd_kcontrol_new_t snd_via8233_capture_source __devinitdata = { 1444 .name = "Input Source Select", 1445 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1446 .info = snd_via8233_capture_source_info, 1447 .get = snd_via8233_capture_source_get, 1448 .put = snd_via8233_capture_source_put, 1449 }; 1450 1451 static int snd_via8233_dxs3_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1452 { 1453 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1454 uinfo->count = 1; 1455 uinfo->value.integer.min = 0; 1456 uinfo->value.integer.max = 1; 1457 return 0; 1458 } 1459 1460 static int snd_via8233_dxs3_spdif_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1461 { 1462 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1463 u8 val; 1464 1465 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1466 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1467 return 0; 1468 } 1469 1470 static int snd_via8233_dxs3_spdif_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1471 { 1472 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1473 u8 val, oval; 1474 1475 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1476 val = oval & ~VIA8233_SPDIF_DX3; 1477 if (ucontrol->value.integer.value[0]) 1478 val |= VIA8233_SPDIF_DX3; 1479 /* save the spdif flag for rate filtering */ 1480 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1481 if (val != oval) { 1482 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1483 return 1; 1484 } 1485 return 0; 1486 } 1487 1488 static snd_kcontrol_new_t snd_via8233_dxs3_spdif_control __devinitdata = { 1489 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1490 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1491 .info = snd_via8233_dxs3_spdif_info, 1492 .get = snd_via8233_dxs3_spdif_get, 1493 .put = snd_via8233_dxs3_spdif_put, 1494 }; 1495 1496 static int snd_via8233_dxs_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1497 { 1498 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1499 uinfo->count = 2; 1500 uinfo->value.integer.min = 0; 1501 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1502 return 0; 1503 } 1504 1505 static int snd_via8233_dxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1506 { 1507 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1508 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[0]; 1509 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[1]; 1510 return 0; 1511 } 1512 1513 static int snd_via8233_dxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1514 { 1515 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1516 unsigned int idx; 1517 unsigned char val; 1518 int i, change = 0; 1519 1520 for (i = 0; i < 2; i++) { 1521 val = ucontrol->value.integer.value[i]; 1522 if (val > VIA_DXS_MAX_VOLUME) 1523 val = VIA_DXS_MAX_VOLUME; 1524 val = VIA_DXS_MAX_VOLUME - val; 1525 if (val != chip->playback_volume[i]) { 1526 change = 1; 1527 chip->playback_volume[i] = val; 1528 for (idx = 0; idx < 4; idx++) { 1529 unsigned long port = chip->port + 0x10 * idx; 1530 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1531 } 1532 } 1533 } 1534 return change; 1535 } 1536 1537 static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = { 1538 .name = "PCM Playback Volume", 1539 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1540 .info = snd_via8233_dxs_volume_info, 1541 .get = snd_via8233_dxs_volume_get, 1542 .put = snd_via8233_dxs_volume_put, 1543 }; 1544 1545 /* 1546 */ 1547 1548 static void snd_via82xx_mixer_free_ac97_bus(ac97_bus_t *bus) 1549 { 1550 via82xx_t *chip = bus->private_data; 1551 chip->ac97_bus = NULL; 1552 } 1553 1554 static void snd_via82xx_mixer_free_ac97(ac97_t *ac97) 1555 { 1556 via82xx_t *chip = ac97->private_data; 1557 chip->ac97 = NULL; 1558 } 1559 1560 static struct ac97_quirk ac97_quirks[] = { 1561 { 1562 .subvendor = 0x1106, 1563 .subdevice = 0x4161, 1564 .codec_id = 0x56494161, /* VT1612A */ 1565 .name = "Soltek SL-75DRV5", 1566 .type = AC97_TUNE_NONE 1567 }, 1568 { /* FIXME: which codec? */ 1569 .subvendor = 0x1106, 1570 .subdevice = 0x4161, 1571 .name = "ASRock K7VT2", 1572 .type = AC97_TUNE_HP_ONLY 1573 }, 1574 { 1575 .subvendor = 0x1019, 1576 .subdevice = 0x0a81, 1577 .name = "ECS K7VTA3", 1578 .type = AC97_TUNE_HP_ONLY 1579 }, 1580 { 1581 .subvendor = 0x1019, 1582 .subdevice = 0x0a85, 1583 .name = "ECS L7VMM2", 1584 .type = AC97_TUNE_HP_ONLY 1585 }, 1586 { 1587 .subvendor = 0x1849, 1588 .subdevice = 0x3059, 1589 .name = "ASRock K7VM2", 1590 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1591 }, 1592 { 1593 .subvendor = 0x14cd, 1594 .subdevice = 0x7002, 1595 .name = "Unknown", 1596 .type = AC97_TUNE_ALC_JACK 1597 }, 1598 { 1599 .subvendor = 0x1071, 1600 .subdevice = 0x8590, 1601 .name = "Mitac Mobo", 1602 .type = AC97_TUNE_ALC_JACK 1603 }, 1604 { 1605 .subvendor = 0x161f, 1606 .subdevice = 0x202b, 1607 .name = "Arima Notebook", 1608 .type = AC97_TUNE_HP_ONLY, 1609 }, 1610 { } /* terminator */ 1611 }; 1612 1613 static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, const char *quirk_override) 1614 { 1615 ac97_template_t ac97; 1616 int err; 1617 static ac97_bus_ops_t ops = { 1618 .write = snd_via82xx_codec_write, 1619 .read = snd_via82xx_codec_read, 1620 .wait = snd_via82xx_codec_wait, 1621 }; 1622 1623 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1624 return err; 1625 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1626 chip->ac97_bus->clock = chip->ac97_clock; 1627 chip->ac97_bus->shared_type = AC97_SHARED_TYPE_VIA; 1628 1629 memset(&ac97, 0, sizeof(ac97)); 1630 ac97.private_data = chip; 1631 ac97.private_free = snd_via82xx_mixer_free_ac97; 1632 ac97.pci = chip->pci; 1633 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1634 return err; 1635 1636 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1637 1638 if (chip->chip_type != TYPE_VIA686) { 1639 /* use slot 10/11 */ 1640 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1641 } 1642 1643 return 0; 1644 } 1645 1646 #ifdef SUPPORT_JOYSTICK 1647 #define JOYSTICK_ADDR 0x200 1648 static int __devinit snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1649 { 1650 struct gameport *gp; 1651 struct resource *r; 1652 1653 if (!joystick[dev]) 1654 return -ENODEV; 1655 1656 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1657 if (!r) { 1658 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", JOYSTICK_ADDR); 1659 return -EBUSY; 1660 } 1661 1662 chip->gameport = gp = gameport_allocate_port(); 1663 if (!gp) { 1664 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1665 release_resource(r); 1666 kfree_nocheck(r); 1667 return -ENOMEM; 1668 } 1669 1670 gameport_set_name(gp, "VIA686 Gameport"); 1671 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1672 gameport_set_dev_parent(gp, &chip->pci->dev); 1673 gp->io = JOYSTICK_ADDR; 1674 gameport_set_port_data(gp, r); 1675 1676 /* Enable legacy joystick port */ 1677 *legacy |= VIA_FUNC_ENABLE_GAME; 1678 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1679 1680 gameport_register_port(chip->gameport); 1681 1682 return 0; 1683 } 1684 1685 static void snd_via686_free_gameport(via82xx_t *chip) 1686 { 1687 if (chip->gameport) { 1688 struct resource *r = gameport_get_port_data(chip->gameport); 1689 1690 gameport_unregister_port(chip->gameport); 1691 chip->gameport = NULL; 1692 release_resource(r); 1693 kfree_nocheck(r); 1694 } 1695 } 1696 #else 1697 static inline int snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1698 { 1699 return -ENOSYS; 1700 } 1701 static inline void snd_via686_free_gameport(via82xx_t *chip) { } 1702 #endif 1703 1704 1705 /* 1706 * 1707 */ 1708 1709 static int __devinit snd_via8233_init_misc(via82xx_t *chip, int dev) 1710 { 1711 int i, err, caps; 1712 unsigned char val; 1713 1714 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1715 for (i = 0; i < caps; i++) { 1716 snd_via8233_capture_source.index = i; 1717 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1718 if (err < 0) 1719 return err; 1720 } 1721 if (ac97_can_spdif(chip->ac97)) { 1722 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1723 if (err < 0) 1724 return err; 1725 } 1726 if (chip->chip_type != TYPE_VIA8233A) { 1727 /* when no h/w PCM volume control is found, use DXS volume control 1728 * as the PCM vol control 1729 */ 1730 snd_ctl_elem_id_t sid; 1731 memset(&sid, 0, sizeof(sid)); 1732 strcpy(sid.name, "PCM Playback Volume"); 1733 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1734 if (! snd_ctl_find_id(chip->card, &sid)) { 1735 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1736 if (err < 0) 1737 return err; 1738 } 1739 } 1740 1741 /* select spdif data slot 10/11 */ 1742 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1743 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1744 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1745 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1746 1747 return 0; 1748 } 1749 1750 static int __devinit snd_via686_init_misc(via82xx_t *chip, int dev) 1751 { 1752 unsigned char legacy, legacy_cfg; 1753 int rev_h = 0; 1754 1755 legacy = chip->old_legacy; 1756 legacy_cfg = chip->old_legacy_cfg; 1757 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1758 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1759 if (chip->revision >= VIA_REV_686_H) { 1760 rev_h = 1; 1761 if (mpu_port[dev] >= 0x200) { /* force MIDI */ 1762 mpu_port[dev] &= 0xfffc; 1763 pci_write_config_dword(chip->pci, 0x18, mpu_port[dev] | 0x01); 1764 #ifdef CONFIG_PM 1765 chip->mpu_port_saved = mpu_port[dev]; 1766 #endif 1767 } else { 1768 mpu_port[dev] = pci_resource_start(chip->pci, 2); 1769 } 1770 } else { 1771 switch (mpu_port[dev]) { /* force MIDI */ 1772 case 0x300: 1773 case 0x310: 1774 case 0x320: 1775 case 0x330: 1776 legacy_cfg &= ~(3 << 2); 1777 legacy_cfg |= (mpu_port[dev] & 0x0030) >> 2; 1778 break; 1779 default: /* no, use BIOS settings */ 1780 if (legacy & VIA_FUNC_ENABLE_MIDI) 1781 mpu_port[dev] = 0x300 + ((legacy_cfg & 0x000c) << 2); 1782 break; 1783 } 1784 } 1785 if (mpu_port[dev] >= 0x200 && 1786 (chip->mpu_res = request_region(mpu_port[dev], 2, "VIA82xx MPU401")) != NULL) { 1787 if (rev_h) 1788 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1789 legacy |= VIA_FUNC_ENABLE_MIDI; 1790 } else { 1791 if (rev_h) 1792 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1793 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1794 mpu_port[dev] = 0; 1795 } 1796 1797 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1798 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1799 if (chip->mpu_res) { 1800 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1801 mpu_port[dev], 1, 1802 chip->irq, 0, &chip->rmidi) < 0) { 1803 printk(KERN_WARNING "unable to initialize MPU-401 at 0x%lx, skipping\n", mpu_port[dev]); 1804 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1805 } else { 1806 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 1807 } 1808 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1809 } 1810 1811 snd_via686_create_gameport(chip, dev, &legacy); 1812 1813 #ifdef CONFIG_PM 1814 chip->legacy_saved = legacy; 1815 chip->legacy_cfg_saved = legacy_cfg; 1816 #endif 1817 1818 return 0; 1819 } 1820 1821 1822 /* 1823 * proc interface 1824 */ 1825 static void snd_via82xx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) 1826 { 1827 via82xx_t *chip = entry->private_data; 1828 int i; 1829 1830 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 1831 for (i = 0; i < 0xa0; i += 4) { 1832 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 1833 } 1834 } 1835 1836 static void __devinit snd_via82xx_proc_init(via82xx_t *chip) 1837 { 1838 snd_info_entry_t *entry; 1839 1840 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 1841 snd_info_set_text_ops(entry, chip, 1024, snd_via82xx_proc_read); 1842 } 1843 1844 /* 1845 * 1846 */ 1847 1848 static int snd_via82xx_chip_init(via82xx_t *chip) 1849 { 1850 unsigned int val; 1851 unsigned long end_time; 1852 unsigned char pval; 1853 1854 #if 0 /* broken on K7M? */ 1855 if (chip->chip_type == TYPE_VIA686) 1856 /* disable all legacy ports */ 1857 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 1858 #endif 1859 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1860 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 1861 /* deassert ACLink reset, force SYNC */ 1862 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1863 VIA_ACLINK_CTRL_ENABLE | 1864 VIA_ACLINK_CTRL_RESET | 1865 VIA_ACLINK_CTRL_SYNC); 1866 udelay(100); 1867 #if 1 /* FIXME: should we do full reset here for all chip models? */ 1868 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 1869 udelay(100); 1870 #else 1871 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 1872 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1873 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 1874 udelay(2); 1875 #endif 1876 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1877 /* note - FM data out has trouble with non VRA codecs !! */ 1878 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1879 udelay(100); 1880 } 1881 1882 /* Make sure VRA is enabled, in case we didn't do a 1883 * complete codec reset, above */ 1884 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 1885 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 1886 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1887 /* note - FM data out has trouble with non VRA codecs !! */ 1888 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1889 udelay(100); 1890 } 1891 1892 /* wait until codec ready */ 1893 end_time = jiffies + msecs_to_jiffies(750); 1894 do { 1895 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1896 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 1897 break; 1898 set_current_state(TASK_UNINTERRUPTIBLE); 1899 schedule_timeout(1); 1900 } while (time_before(jiffies, end_time)); 1901 1902 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 1903 snd_printk("AC'97 codec is not ready [0x%x]\n", val); 1904 1905 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 1906 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1907 VIA_REG_AC97_SECONDARY_VALID | 1908 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1909 end_time = jiffies + msecs_to_jiffies(750); 1910 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1911 VIA_REG_AC97_SECONDARY_VALID | 1912 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1913 do { 1914 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 1915 chip->ac97_secondary = 1; 1916 goto __ac97_ok2; 1917 } 1918 set_current_state(TASK_INTERRUPTIBLE); 1919 schedule_timeout(1); 1920 } while (time_before(jiffies, end_time)); 1921 /* This is ok, the most of motherboards have only one codec */ 1922 1923 __ac97_ok2: 1924 #endif 1925 1926 if (chip->chip_type == TYPE_VIA686) { 1927 /* route FM trap to IRQ, disable FM trap */ 1928 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 1929 /* disable all GPI interrupts */ 1930 outl(0, VIAREG(chip, GPI_INTR)); 1931 } 1932 1933 if (chip->chip_type != TYPE_VIA686) { 1934 /* Workaround for Award BIOS bug: 1935 * DXS channels don't work properly with VRA if MC97 is disabled. 1936 */ 1937 struct pci_dev *pci; 1938 pci = pci_find_device(0x1106, 0x3068, NULL); /* MC97 */ 1939 if (pci) { 1940 unsigned char data; 1941 pci_read_config_byte(pci, 0x44, &data); 1942 pci_write_config_byte(pci, 0x44, data | 0x40); 1943 } 1944 } 1945 1946 if (chip->chip_type != TYPE_VIA8233A) { 1947 int i, idx; 1948 for (idx = 0; idx < 4; idx++) { 1949 unsigned long port = chip->port + 0x10 * idx; 1950 for (i = 0; i < 2; i++) 1951 outb(chip->playback_volume[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1952 } 1953 } 1954 1955 return 0; 1956 } 1957 1958 #ifdef CONFIG_PM 1959 /* 1960 * power management 1961 */ 1962 static int snd_via82xx_suspend(snd_card_t *card, pm_message_t state) 1963 { 1964 via82xx_t *chip = card->pm_private_data; 1965 int i; 1966 1967 for (i = 0; i < 2; i++) 1968 if (chip->pcms[i]) 1969 snd_pcm_suspend_all(chip->pcms[i]); 1970 for (i = 0; i < chip->num_devs; i++) 1971 snd_via82xx_channel_reset(chip, &chip->devs[i]); 1972 synchronize_irq(chip->irq); 1973 snd_ac97_suspend(chip->ac97); 1974 1975 /* save misc values */ 1976 if (chip->chip_type != TYPE_VIA686) { 1977 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 1978 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 1979 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 1980 } 1981 1982 pci_set_power_state(chip->pci, 3); 1983 pci_disable_device(chip->pci); 1984 return 0; 1985 } 1986 1987 static int snd_via82xx_resume(snd_card_t *card) 1988 { 1989 via82xx_t *chip = card->pm_private_data; 1990 int i; 1991 1992 pci_enable_device(chip->pci); 1993 pci_set_power_state(chip->pci, 0); 1994 1995 snd_via82xx_chip_init(chip); 1996 1997 if (chip->chip_type == TYPE_VIA686) { 1998 if (chip->mpu_port_saved) 1999 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2000 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2001 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2002 } else { 2003 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2004 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2005 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2006 } 2007 2008 snd_ac97_resume(chip->ac97); 2009 2010 for (i = 0; i < chip->num_devs; i++) 2011 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2012 2013 return 0; 2014 } 2015 #endif /* CONFIG_PM */ 2016 2017 static int snd_via82xx_free(via82xx_t *chip) 2018 { 2019 unsigned int i; 2020 2021 if (chip->irq < 0) 2022 goto __end_hw; 2023 /* disable interrupts */ 2024 for (i = 0; i < chip->num_devs; i++) 2025 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2026 synchronize_irq(chip->irq); 2027 __end_hw: 2028 if (chip->irq >= 0) 2029 free_irq(chip->irq, (void *)chip); 2030 if (chip->mpu_res) { 2031 release_resource(chip->mpu_res); 2032 kfree_nocheck(chip->mpu_res); 2033 } 2034 pci_release_regions(chip->pci); 2035 2036 if (chip->chip_type == TYPE_VIA686) { 2037 snd_via686_free_gameport(chip); 2038 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2039 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2040 } 2041 pci_disable_device(chip->pci); 2042 kfree(chip); 2043 return 0; 2044 } 2045 2046 static int snd_via82xx_dev_free(snd_device_t *device) 2047 { 2048 via82xx_t *chip = device->device_data; 2049 return snd_via82xx_free(chip); 2050 } 2051 2052 static int __devinit snd_via82xx_create(snd_card_t * card, 2053 struct pci_dev *pci, 2054 int chip_type, 2055 int revision, 2056 unsigned int ac97_clock, 2057 via82xx_t ** r_via) 2058 { 2059 via82xx_t *chip; 2060 int err; 2061 static snd_device_ops_t ops = { 2062 .dev_free = snd_via82xx_dev_free, 2063 }; 2064 2065 if ((err = pci_enable_device(pci)) < 0) 2066 return err; 2067 2068 if ((chip = kcalloc(1, sizeof(*chip), GFP_KERNEL)) == NULL) { 2069 pci_disable_device(pci); 2070 return -ENOMEM; 2071 } 2072 2073 chip->chip_type = chip_type; 2074 chip->revision = revision; 2075 2076 spin_lock_init(&chip->reg_lock); 2077 spin_lock_init(&chip->rates[0].lock); 2078 spin_lock_init(&chip->rates[1].lock); 2079 chip->card = card; 2080 chip->pci = pci; 2081 chip->irq = -1; 2082 2083 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2084 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2085 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2086 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2087 2088 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2089 kfree(chip); 2090 pci_disable_device(pci); 2091 return err; 2092 } 2093 chip->port = pci_resource_start(pci, 0); 2094 if (request_irq(pci->irq, snd_via82xx_interrupt, SA_INTERRUPT|SA_SHIRQ, 2095 card->driver, (void *)chip)) { 2096 snd_printk("unable to grab IRQ %d\n", pci->irq); 2097 snd_via82xx_free(chip); 2098 return -EBUSY; 2099 } 2100 chip->irq = pci->irq; 2101 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2102 chip->ac97_clock = ac97_clock; 2103 synchronize_irq(chip->irq); 2104 2105 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2106 snd_via82xx_free(chip); 2107 return err; 2108 } 2109 2110 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2111 snd_via82xx_free(chip); 2112 return err; 2113 } 2114 2115 /* The 8233 ac97 controller does not implement the master bit 2116 * in the pci command register. IMHO this is a violation of the PCI spec. 2117 * We call pci_set_master here because it does not hurt. */ 2118 pci_set_master(pci); 2119 2120 snd_card_set_dev(card, &pci->dev); 2121 2122 *r_via = chip; 2123 return 0; 2124 } 2125 2126 struct via823x_info { 2127 int revision; 2128 char *name; 2129 int type; 2130 }; 2131 static struct via823x_info via823x_cards[] __devinitdata = { 2132 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2133 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2134 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2135 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2136 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2137 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2138 }; 2139 2140 /* 2141 * auto detection of DXS channel supports. 2142 */ 2143 struct dxs_whitelist { 2144 unsigned short subvendor; 2145 unsigned short subdevice; 2146 unsigned short mask; 2147 short action; /* new dxs_support value */ 2148 }; 2149 2150 static int __devinit check_dxs_list(struct pci_dev *pci) 2151 { 2152 static struct dxs_whitelist whitelist[] = { 2153 { .subvendor = 0x1005, .subdevice = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2154 { .subvendor = 0x1019, .subdevice = 0x0996, .action = VIA_DXS_48K }, 2155 { .subvendor = 0x1019, .subdevice = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2156 { .subvendor = 0x1019, .subdevice = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 2157 { .subvendor = 0x1025, .subdevice = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */ 2158 { .subvendor = 0x1025, .subdevice = 0x0046, .action = VIA_DXS_SRC }, /* Acer Aspire 1524 WLMi */ 2159 { .subvendor = 0x1043, .subdevice = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/ 2160 { .subvendor = 0x1043, .subdevice = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ 2161 { .subvendor = 0x1043, .subdevice = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ 2162 { .subvendor = 0x1043, .subdevice = 0x812a, .action = VIA_DXS_SRC }, /* ASUS A8V Deluxe */ 2163 { .subvendor = 0x1071, .subdevice = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2164 { .subvendor = 0x1071, .subdevice = 0x8399, .action = VIA_DXS_NO_VRA }, /* Umax AB 595T (VIA K8N800A - VT8237) */ 2165 { .subvendor = 0x10cf, .subdevice = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2166 { .subvendor = 0x1106, .subdevice = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2167 { .subvendor = 0x1106, .subdevice = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2168 { .subvendor = 0x1106, .subdevice = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2169 { .subvendor = 0x1106, .subdevice = 0xc001, .action = VIA_DXS_SRC }, /* Insight P4-ITX */ 2170 { .subvendor = 0x1297, .subdevice = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2171 { .subvendor = 0x1297, .subdevice = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2172 { .subvendor = 0x1458, .subdevice = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2173 { .subvendor = 0x1462, .subdevice = 0x0080, .action = VIA_DXS_SRC }, /* MSI K8T Neo-FIS2R */ 2174 { .subvendor = 0x1462, .subdevice = 0x0430, .action = VIA_DXS_SRC }, /* MSI 7142 (K8MM-V) */ 2175 { .subvendor = 0x1462, .subdevice = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2176 { .subvendor = 0x1462, .subdevice = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2177 { .subvendor = 0x1462, .subdevice = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */ 2178 { .subvendor = 0x1462, .subdevice = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2179 { .subvendor = 0x1462, .subdevice = 0x7142, .action = VIA_DXS_ENABLE }, /* MSI K8MM-V */ 2180 { .subvendor = 0x147b, .subdevice = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2181 { .subvendor = 0x147b, .subdevice = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2182 { .subvendor = 0x147b, .subdevice = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2183 { .subvendor = 0x147b, .subdevice = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2184 { .subvendor = 0x14ff, .subdevice = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2185 { .subvendor = 0x14ff, .subdevice = 0x0408, .action = VIA_DXS_SRC }, /* Twinhead laptop */ 2186 { .subvendor = 0x1584, .subdevice = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2187 { .subvendor = 0x1584, .subdevice = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2188 { .subvendor = 0x161f, .subdevice = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2189 { .subvendor = 0x161f, .subdevice = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2190 { .subvendor = 0x1631, .subdevice = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2191 { .subvendor = 0x1695, .subdevice = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2192 { .subvendor = 0x1849, .subdevice = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2193 { .subvendor = 0x1919, .subdevice = 0x200a, .action = VIA_DXS_NO_VRA }, /* Soltek SL-K8Tpro-939 */ 2194 { .subvendor = 0x4005, .subdevice = 0x4710, .action = VIA_DXS_SRC }, /* MSI K7T266 Pro2 (MS-6380 V2.0) BIOS 3.7 */ 2195 { } /* terminator */ 2196 }; 2197 struct dxs_whitelist *w; 2198 unsigned short subsystem_vendor; 2199 unsigned short subsystem_device; 2200 2201 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2202 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2203 2204 for (w = whitelist; w->subvendor; w++) { 2205 if (w->subvendor != subsystem_vendor) 2206 continue; 2207 if (w->mask) { 2208 if ((w->mask & subsystem_device) == w->subdevice) 2209 return w->action; 2210 } else { 2211 if (subsystem_device == w->subdevice) 2212 return w->action; 2213 } 2214 } 2215 2216 /* 2217 * not detected, try 48k rate only to be sure. 2218 */ 2219 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2220 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2221 printk(KERN_INFO " and report if it works on your machine.\n"); 2222 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2223 return VIA_DXS_48K; 2224 }; 2225 2226 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2227 const struct pci_device_id *pci_id) 2228 { 2229 static int dev; 2230 snd_card_t *card; 2231 via82xx_t *chip; 2232 unsigned char revision; 2233 int chip_type = 0, card_type; 2234 unsigned int i; 2235 int err; 2236 2237 if (dev >= SNDRV_CARDS) 2238 return -ENODEV; 2239 if (!enable[dev]) { 2240 dev++; 2241 return -ENOENT; 2242 } 2243 2244 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); 2245 if (card == NULL) 2246 return -ENOMEM; 2247 2248 card_type = pci_id->driver_data; 2249 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2250 switch (card_type) { 2251 case TYPE_CARD_VIA686: 2252 strcpy(card->driver, "VIA686A"); 2253 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2254 chip_type = TYPE_VIA686; 2255 break; 2256 case TYPE_CARD_VIA8233: 2257 chip_type = TYPE_VIA8233; 2258 sprintf(card->shortname, "VIA 823x rev%x", revision); 2259 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2260 if (revision == via823x_cards[i].revision) { 2261 chip_type = via823x_cards[i].type; 2262 strcpy(card->shortname, via823x_cards[i].name); 2263 break; 2264 } 2265 } 2266 if (chip_type != TYPE_VIA8233A) { 2267 if (dxs_support[dev] == VIA_DXS_AUTO) 2268 dxs_support[dev] = check_dxs_list(pci); 2269 /* force to use VIA8233 or 8233A model according to 2270 * dxs_support module option 2271 */ 2272 if (dxs_support[dev] == VIA_DXS_DISABLE) 2273 chip_type = TYPE_VIA8233A; 2274 else 2275 chip_type = TYPE_VIA8233; 2276 } 2277 if (chip_type == TYPE_VIA8233A) 2278 strcpy(card->driver, "VIA8233A"); 2279 else if (revision >= VIA_REV_8237) 2280 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2281 else 2282 strcpy(card->driver, "VIA8233"); 2283 break; 2284 default: 2285 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2286 err = -EINVAL; 2287 goto __error; 2288 } 2289 2290 if ((err = snd_via82xx_create(card, pci, chip_type, revision, ac97_clock[dev], &chip)) < 0) 2291 goto __error; 2292 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk[dev])) < 0) 2293 goto __error; 2294 2295 if (chip_type == TYPE_VIA686) { 2296 if ((err = snd_via686_pcm_new(chip)) < 0 || 2297 (err = snd_via686_init_misc(chip, dev)) < 0) 2298 goto __error; 2299 } else { 2300 if (chip_type == TYPE_VIA8233A) { 2301 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2302 goto __error; 2303 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2304 } else { 2305 if ((err = snd_via8233_pcm_new(chip)) < 0) 2306 goto __error; 2307 if (dxs_support[dev] == VIA_DXS_48K) 2308 chip->dxs_fixed = 1; 2309 else if (dxs_support[dev] == VIA_DXS_NO_VRA) 2310 chip->no_vra = 1; 2311 else if (dxs_support[dev] == VIA_DXS_SRC) { 2312 chip->no_vra = 1; 2313 chip->dxs_src = 1; 2314 } 2315 } 2316 if ((err = snd_via8233_init_misc(chip, dev)) < 0) 2317 goto __error; 2318 } 2319 2320 snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip); 2321 2322 /* disable interrupts */ 2323 for (i = 0; i < chip->num_devs; i++) 2324 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2325 2326 snprintf(card->longname, sizeof(card->longname), 2327 "%s with %s at %#lx, irq %d", card->shortname, 2328 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2329 2330 snd_via82xx_proc_init(chip); 2331 2332 if ((err = snd_card_register(card)) < 0) { 2333 snd_card_free(card); 2334 return err; 2335 } 2336 pci_set_drvdata(pci, card); 2337 dev++; 2338 return 0; 2339 2340 __error: 2341 snd_card_free(card); 2342 return err; 2343 } 2344 2345 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2346 { 2347 snd_card_free(pci_get_drvdata(pci)); 2348 pci_set_drvdata(pci, NULL); 2349 } 2350 2351 static struct pci_driver driver = { 2352 .name = "VIA 82xx Audio", 2353 .id_table = snd_via82xx_ids, 2354 .probe = snd_via82xx_probe, 2355 .remove = __devexit_p(snd_via82xx_remove), 2356 SND_PCI_PM_CALLBACKS 2357 }; 2358 2359 static int __init alsa_card_via82xx_init(void) 2360 { 2361 return pci_register_driver(&driver); 2362 } 2363 2364 static void __exit alsa_card_via82xx_exit(void) 2365 { 2366 pci_unregister_driver(&driver); 2367 } 2368 2369 module_init(alsa_card_via82xx_init) 2370 module_exit(alsa_card_via82xx_exit) 2371