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 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 ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 928 int rate_changed; 929 u32 rbits; 930 931 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 932 return rate_changed; 933 if (rate_changed) { 934 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 935 chip->no_vra ? 48000 : runtime->rate); 936 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, 937 chip->no_vra ? 48000 : runtime->rate); 938 } 939 if (runtime->rate == 48000) 940 rbits = 0xfffff; 941 else 942 rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; 943 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 944 snd_via82xx_channel_reset(chip, viadev); 945 snd_via82xx_set_table_ptr(chip, viadev); 946 outb(chip->playback_volume[0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 947 outb(chip->playback_volume[1], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 948 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 949 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 950 rbits | /* rate */ 951 0xff000000, /* STOP index is never reached */ 952 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 953 udelay(20); 954 snd_via82xx_codec_ready(chip, 0); 955 return 0; 956 } 957 958 /* 959 * prepare callback for multi-channel playback on via823x 960 */ 961 static int snd_via8233_multi_prepare(snd_pcm_substream_t *substream) 962 { 963 via82xx_t *chip = snd_pcm_substream_chip(substream); 964 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 965 snd_pcm_runtime_t *runtime = substream->runtime; 966 unsigned int slots; 967 int fmt; 968 969 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 970 return -EINVAL; 971 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 972 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 973 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 974 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 975 snd_via82xx_channel_reset(chip, viadev); 976 snd_via82xx_set_table_ptr(chip, viadev); 977 978 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 979 fmt |= runtime->channels << 4; 980 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 981 #if 0 982 if (chip->revision == VIA_REV_8233A) 983 slots = 0; 984 else 985 #endif 986 { 987 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 988 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 989 switch (runtime->channels) { 990 case 1: slots = (1<<0) | (1<<4); break; 991 case 2: slots = (1<<0) | (2<<4); break; 992 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 993 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 994 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 995 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 996 default: slots = 0; break; 997 } 998 } 999 /* STOP index is never reached */ 1000 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1001 udelay(20); 1002 snd_via82xx_codec_ready(chip, 0); 1003 return 0; 1004 } 1005 1006 /* 1007 * prepare callback for capture on via823x 1008 */ 1009 static int snd_via8233_capture_prepare(snd_pcm_substream_t *substream) 1010 { 1011 via82xx_t *chip = snd_pcm_substream_chip(substream); 1012 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1013 snd_pcm_runtime_t *runtime = substream->runtime; 1014 1015 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1016 return -EINVAL; 1017 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1018 snd_via82xx_channel_reset(chip, viadev); 1019 snd_via82xx_set_table_ptr(chip, viadev); 1020 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1021 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1022 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1023 0xff000000, /* STOP index is never reached */ 1024 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1025 udelay(20); 1026 snd_via82xx_codec_ready(chip, 0); 1027 return 0; 1028 } 1029 1030 1031 /* 1032 * pcm hardware definition, identical for both playback and capture 1033 */ 1034 static snd_pcm_hardware_t snd_via82xx_hw = 1035 { 1036 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1037 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1038 SNDRV_PCM_INFO_MMAP_VALID | 1039 SNDRV_PCM_INFO_RESUME | 1040 SNDRV_PCM_INFO_PAUSE), 1041 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1042 .rates = SNDRV_PCM_RATE_48000, 1043 .rate_min = 48000, 1044 .rate_max = 48000, 1045 .channels_min = 1, 1046 .channels_max = 2, 1047 .buffer_bytes_max = 128 * 1024, 1048 .period_bytes_min = 32, 1049 .period_bytes_max = 128 * 1024, 1050 .periods_min = 2, 1051 .periods_max = VIA_TABLE_SIZE / 2, 1052 .fifo_size = 0, 1053 }; 1054 1055 1056 /* 1057 * open callback skeleton 1058 */ 1059 static int snd_via82xx_pcm_open(via82xx_t *chip, viadev_t *viadev, snd_pcm_substream_t * substream) 1060 { 1061 snd_pcm_runtime_t *runtime = substream->runtime; 1062 int err; 1063 struct via_rate_lock *ratep; 1064 1065 runtime->hw = snd_via82xx_hw; 1066 1067 /* set the hw rate condition */ 1068 ratep = &chip->rates[viadev->direction]; 1069 spin_lock_irq(&ratep->lock); 1070 ratep->used++; 1071 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1072 /* DXS#3 and spdif is on */ 1073 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1074 snd_pcm_limit_hw_rates(runtime); 1075 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1076 /* fixed DXS playback rate */ 1077 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1078 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1079 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1080 /* use full SRC capabilities of DXS */ 1081 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1082 SNDRV_PCM_RATE_8000_48000); 1083 runtime->hw.rate_min = 8000; 1084 runtime->hw.rate_max = 48000; 1085 } else if (! ratep->rate) { 1086 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1087 runtime->hw.rates = chip->ac97->rates[idx]; 1088 snd_pcm_limit_hw_rates(runtime); 1089 } else { 1090 /* a fixed rate */ 1091 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1092 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1093 } 1094 spin_unlock_irq(&ratep->lock); 1095 1096 /* we may remove following constaint when we modify table entries 1097 in interrupt */ 1098 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1099 return err; 1100 1101 runtime->private_data = viadev; 1102 viadev->substream = substream; 1103 1104 return 0; 1105 } 1106 1107 1108 /* 1109 * open callback for playback on via686 and via823x DSX 1110 */ 1111 static int snd_via82xx_playback_open(snd_pcm_substream_t * substream) 1112 { 1113 via82xx_t *chip = snd_pcm_substream_chip(substream); 1114 viadev_t *viadev = &chip->devs[chip->playback_devno + substream->number]; 1115 int err; 1116 1117 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1118 return err; 1119 return 0; 1120 } 1121 1122 /* 1123 * open callback for playback on via823x multi-channel 1124 */ 1125 static int snd_via8233_multi_open(snd_pcm_substream_t * substream) 1126 { 1127 via82xx_t *chip = snd_pcm_substream_chip(substream); 1128 viadev_t *viadev = &chip->devs[chip->multi_devno]; 1129 int err; 1130 /* channels constraint for VIA8233A 1131 * 3 and 5 channels are not supported 1132 */ 1133 static unsigned int channels[] = { 1134 1, 2, 4, 6 1135 }; 1136 static snd_pcm_hw_constraint_list_t hw_constraints_channels = { 1137 .count = ARRAY_SIZE(channels), 1138 .list = channels, 1139 .mask = 0, 1140 }; 1141 1142 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1143 return err; 1144 substream->runtime->hw.channels_max = 6; 1145 if (chip->revision == VIA_REV_8233A) 1146 snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); 1147 return 0; 1148 } 1149 1150 /* 1151 * open callback for capture on via686 and via823x 1152 */ 1153 static int snd_via82xx_capture_open(snd_pcm_substream_t * substream) 1154 { 1155 via82xx_t *chip = snd_pcm_substream_chip(substream); 1156 viadev_t *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1157 1158 return snd_via82xx_pcm_open(chip, viadev, substream); 1159 } 1160 1161 /* 1162 * close callback 1163 */ 1164 static int snd_via82xx_pcm_close(snd_pcm_substream_t * substream) 1165 { 1166 via82xx_t *chip = snd_pcm_substream_chip(substream); 1167 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1168 struct via_rate_lock *ratep; 1169 1170 /* release the rate lock */ 1171 ratep = &chip->rates[viadev->direction]; 1172 spin_lock_irq(&ratep->lock); 1173 ratep->used--; 1174 if (! ratep->used) 1175 ratep->rate = 0; 1176 spin_unlock_irq(&ratep->lock); 1177 1178 viadev->substream = NULL; 1179 return 0; 1180 } 1181 1182 1183 /* via686 playback callbacks */ 1184 static snd_pcm_ops_t snd_via686_playback_ops = { 1185 .open = snd_via82xx_playback_open, 1186 .close = snd_via82xx_pcm_close, 1187 .ioctl = snd_pcm_lib_ioctl, 1188 .hw_params = snd_via82xx_hw_params, 1189 .hw_free = snd_via82xx_hw_free, 1190 .prepare = snd_via686_playback_prepare, 1191 .trigger = snd_via82xx_pcm_trigger, 1192 .pointer = snd_via686_pcm_pointer, 1193 .page = snd_pcm_sgbuf_ops_page, 1194 }; 1195 1196 /* via686 capture callbacks */ 1197 static snd_pcm_ops_t snd_via686_capture_ops = { 1198 .open = snd_via82xx_capture_open, 1199 .close = snd_via82xx_pcm_close, 1200 .ioctl = snd_pcm_lib_ioctl, 1201 .hw_params = snd_via82xx_hw_params, 1202 .hw_free = snd_via82xx_hw_free, 1203 .prepare = snd_via686_capture_prepare, 1204 .trigger = snd_via82xx_pcm_trigger, 1205 .pointer = snd_via686_pcm_pointer, 1206 .page = snd_pcm_sgbuf_ops_page, 1207 }; 1208 1209 /* via823x DSX playback callbacks */ 1210 static snd_pcm_ops_t snd_via8233_playback_ops = { 1211 .open = snd_via82xx_playback_open, 1212 .close = snd_via82xx_pcm_close, 1213 .ioctl = snd_pcm_lib_ioctl, 1214 .hw_params = snd_via82xx_hw_params, 1215 .hw_free = snd_via82xx_hw_free, 1216 .prepare = snd_via8233_playback_prepare, 1217 .trigger = snd_via82xx_pcm_trigger, 1218 .pointer = snd_via8233_pcm_pointer, 1219 .page = snd_pcm_sgbuf_ops_page, 1220 }; 1221 1222 /* via823x multi-channel playback callbacks */ 1223 static snd_pcm_ops_t snd_via8233_multi_ops = { 1224 .open = snd_via8233_multi_open, 1225 .close = snd_via82xx_pcm_close, 1226 .ioctl = snd_pcm_lib_ioctl, 1227 .hw_params = snd_via82xx_hw_params, 1228 .hw_free = snd_via82xx_hw_free, 1229 .prepare = snd_via8233_multi_prepare, 1230 .trigger = snd_via82xx_pcm_trigger, 1231 .pointer = snd_via8233_pcm_pointer, 1232 .page = snd_pcm_sgbuf_ops_page, 1233 }; 1234 1235 /* via823x capture callbacks */ 1236 static snd_pcm_ops_t snd_via8233_capture_ops = { 1237 .open = snd_via82xx_capture_open, 1238 .close = snd_via82xx_pcm_close, 1239 .ioctl = snd_pcm_lib_ioctl, 1240 .hw_params = snd_via82xx_hw_params, 1241 .hw_free = snd_via82xx_hw_free, 1242 .prepare = snd_via8233_capture_prepare, 1243 .trigger = snd_via82xx_pcm_trigger, 1244 .pointer = snd_via8233_pcm_pointer, 1245 .page = snd_pcm_sgbuf_ops_page, 1246 }; 1247 1248 1249 static void init_viadev(via82xx_t *chip, int idx, unsigned int reg_offset, int direction) 1250 { 1251 chip->devs[idx].reg_offset = reg_offset; 1252 chip->devs[idx].direction = direction; 1253 chip->devs[idx].port = chip->port + reg_offset; 1254 } 1255 1256 /* 1257 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1258 */ 1259 static int __devinit snd_via8233_pcm_new(via82xx_t *chip) 1260 { 1261 snd_pcm_t *pcm; 1262 int i, err; 1263 1264 chip->playback_devno = 0; /* x 4 */ 1265 chip->multi_devno = 4; /* x 1 */ 1266 chip->capture_devno = 5; /* x 2 */ 1267 chip->num_devs = 7; 1268 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1269 1270 /* PCM #0: 4 DSX playbacks and 1 capture */ 1271 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1272 if (err < 0) 1273 return err; 1274 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1275 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1276 pcm->private_data = chip; 1277 strcpy(pcm->name, chip->card->shortname); 1278 chip->pcms[0] = pcm; 1279 /* set up playbacks */ 1280 for (i = 0; i < 4; i++) 1281 init_viadev(chip, i, 0x10 * i, 0); 1282 /* capture */ 1283 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1284 1285 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1286 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1287 return err; 1288 1289 /* PCM #1: multi-channel playback and 2nd capture */ 1290 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1291 if (err < 0) 1292 return err; 1293 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1294 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1295 pcm->private_data = chip; 1296 strcpy(pcm->name, chip->card->shortname); 1297 chip->pcms[1] = pcm; 1298 /* set up playback */ 1299 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1300 /* set up capture */ 1301 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 1); 1302 1303 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1304 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1305 return err; 1306 1307 return 0; 1308 } 1309 1310 /* 1311 * create pcm instances for VIA8233A 1312 */ 1313 static int __devinit snd_via8233a_pcm_new(via82xx_t *chip) 1314 { 1315 snd_pcm_t *pcm; 1316 int err; 1317 1318 chip->multi_devno = 0; 1319 chip->playback_devno = 1; 1320 chip->capture_devno = 2; 1321 chip->num_devs = 3; 1322 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1323 1324 /* PCM #0: multi-channel playback and capture */ 1325 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1326 if (err < 0) 1327 return err; 1328 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1329 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1330 pcm->private_data = chip; 1331 strcpy(pcm->name, chip->card->shortname); 1332 chip->pcms[0] = pcm; 1333 /* set up playback */ 1334 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); 1335 /* capture */ 1336 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); 1337 1338 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1339 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1340 return err; 1341 1342 /* SPDIF supported? */ 1343 if (! ac97_can_spdif(chip->ac97)) 1344 return 0; 1345 1346 /* PCM #1: DXS3 playback (for spdif) */ 1347 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1348 if (err < 0) 1349 return err; 1350 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1351 pcm->private_data = chip; 1352 strcpy(pcm->name, chip->card->shortname); 1353 chip->pcms[1] = pcm; 1354 /* set up playback */ 1355 init_viadev(chip, chip->playback_devno, 0x30, 0); 1356 1357 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1358 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1359 return err; 1360 1361 return 0; 1362 } 1363 1364 /* 1365 * create a pcm instance for via686a/b 1366 */ 1367 static int __devinit snd_via686_pcm_new(via82xx_t *chip) 1368 { 1369 snd_pcm_t *pcm; 1370 int err; 1371 1372 chip->playback_devno = 0; 1373 chip->capture_devno = 1; 1374 chip->num_devs = 2; 1375 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1376 1377 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1378 if (err < 0) 1379 return err; 1380 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1381 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1382 pcm->private_data = chip; 1383 strcpy(pcm->name, chip->card->shortname); 1384 chip->pcms[0] = pcm; 1385 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0); 1386 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 1); 1387 1388 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1389 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1390 return err; 1391 1392 return 0; 1393 } 1394 1395 1396 /* 1397 * Mixer part 1398 */ 1399 1400 static int snd_via8233_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1401 { 1402 /* formerly they were "Line" and "Mic", but it looks like that they 1403 * have nothing to do with the actual physical connections... 1404 */ 1405 static char *texts[2] = { 1406 "Input1", "Input2" 1407 }; 1408 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1409 uinfo->count = 1; 1410 uinfo->value.enumerated.items = 2; 1411 if (uinfo->value.enumerated.item >= 2) 1412 uinfo->value.enumerated.item = 1; 1413 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1414 return 0; 1415 } 1416 1417 static int snd_via8233_capture_source_get(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 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1422 return 0; 1423 } 1424 1425 static int snd_via8233_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1426 { 1427 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1428 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1429 u8 val, oval; 1430 1431 spin_lock_irq(&chip->reg_lock); 1432 oval = inb(port); 1433 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1434 if (ucontrol->value.enumerated.item[0]) 1435 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1436 if (val != oval) 1437 outb(val, port); 1438 spin_unlock_irq(&chip->reg_lock); 1439 return val != oval; 1440 } 1441 1442 static snd_kcontrol_new_t snd_via8233_capture_source __devinitdata = { 1443 .name = "Input Source Select", 1444 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1445 .info = snd_via8233_capture_source_info, 1446 .get = snd_via8233_capture_source_get, 1447 .put = snd_via8233_capture_source_put, 1448 }; 1449 1450 static int snd_via8233_dxs3_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1451 { 1452 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1453 uinfo->count = 1; 1454 uinfo->value.integer.min = 0; 1455 uinfo->value.integer.max = 1; 1456 return 0; 1457 } 1458 1459 static int snd_via8233_dxs3_spdif_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1460 { 1461 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1462 u8 val; 1463 1464 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1465 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1466 return 0; 1467 } 1468 1469 static int snd_via8233_dxs3_spdif_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1470 { 1471 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1472 u8 val, oval; 1473 1474 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1475 val = oval & ~VIA8233_SPDIF_DX3; 1476 if (ucontrol->value.integer.value[0]) 1477 val |= VIA8233_SPDIF_DX3; 1478 /* save the spdif flag for rate filtering */ 1479 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1480 if (val != oval) { 1481 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1482 return 1; 1483 } 1484 return 0; 1485 } 1486 1487 static snd_kcontrol_new_t snd_via8233_dxs3_spdif_control __devinitdata = { 1488 .name = "IEC958 Output Switch", 1489 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1490 .info = snd_via8233_dxs3_spdif_info, 1491 .get = snd_via8233_dxs3_spdif_get, 1492 .put = snd_via8233_dxs3_spdif_put, 1493 }; 1494 1495 static int snd_via8233_dxs_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1496 { 1497 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1498 uinfo->count = 2; 1499 uinfo->value.integer.min = 0; 1500 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1501 return 0; 1502 } 1503 1504 static int snd_via8233_dxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1505 { 1506 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1507 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[0]; 1508 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[1]; 1509 return 0; 1510 } 1511 1512 static int snd_via8233_dxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1513 { 1514 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1515 unsigned int idx; 1516 unsigned char val; 1517 int i, change = 0; 1518 1519 for (i = 0; i < 2; i++) { 1520 val = ucontrol->value.integer.value[i]; 1521 if (val > VIA_DXS_MAX_VOLUME) 1522 val = VIA_DXS_MAX_VOLUME; 1523 val = VIA_DXS_MAX_VOLUME - val; 1524 if (val != chip->playback_volume[i]) { 1525 change = 1; 1526 chip->playback_volume[i] = val; 1527 for (idx = 0; idx < 4; idx++) { 1528 unsigned long port = chip->port + 0x10 * idx; 1529 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1530 } 1531 } 1532 } 1533 return change; 1534 } 1535 1536 static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = { 1537 .name = "PCM Playback Volume", 1538 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1539 .info = snd_via8233_dxs_volume_info, 1540 .get = snd_via8233_dxs_volume_get, 1541 .put = snd_via8233_dxs_volume_put, 1542 }; 1543 1544 /* 1545 */ 1546 1547 static void snd_via82xx_mixer_free_ac97_bus(ac97_bus_t *bus) 1548 { 1549 via82xx_t *chip = bus->private_data; 1550 chip->ac97_bus = NULL; 1551 } 1552 1553 static void snd_via82xx_mixer_free_ac97(ac97_t *ac97) 1554 { 1555 via82xx_t *chip = ac97->private_data; 1556 chip->ac97 = NULL; 1557 } 1558 1559 static struct ac97_quirk ac97_quirks[] = { 1560 { 1561 .subvendor = 0x1106, 1562 .subdevice = 0x4161, 1563 .codec_id = 0x56494161, /* VT1612A */ 1564 .name = "Soltek SL-75DRV5", 1565 .type = AC97_TUNE_NONE 1566 }, 1567 { /* FIXME: which codec? */ 1568 .subvendor = 0x1106, 1569 .subdevice = 0x4161, 1570 .name = "ASRock K7VT2", 1571 .type = AC97_TUNE_HP_ONLY 1572 }, 1573 { 1574 .subvendor = 0x1019, 1575 .subdevice = 0x0a81, 1576 .name = "ECS K7VTA3", 1577 .type = AC97_TUNE_HP_ONLY 1578 }, 1579 { 1580 .subvendor = 0x1019, 1581 .subdevice = 0x0a85, 1582 .name = "ECS L7VMM2", 1583 .type = AC97_TUNE_HP_ONLY 1584 }, 1585 { 1586 .subvendor = 0x1849, 1587 .subdevice = 0x3059, 1588 .name = "ASRock K7VM2", 1589 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1590 }, 1591 { 1592 .subvendor = 0x14cd, 1593 .subdevice = 0x7002, 1594 .name = "Unknown", 1595 .type = AC97_TUNE_ALC_JACK 1596 }, 1597 { 1598 .subvendor = 0x1071, 1599 .subdevice = 0x8590, 1600 .name = "Mitac Mobo", 1601 .type = AC97_TUNE_ALC_JACK 1602 }, 1603 { 1604 .subvendor = 0x161f, 1605 .subdevice = 0x202b, 1606 .name = "Arima Notebook", 1607 .type = AC97_TUNE_HP_ONLY, 1608 }, 1609 { } /* terminator */ 1610 }; 1611 1612 static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, const char *quirk_override) 1613 { 1614 ac97_template_t ac97; 1615 int err; 1616 static ac97_bus_ops_t ops = { 1617 .write = snd_via82xx_codec_write, 1618 .read = snd_via82xx_codec_read, 1619 .wait = snd_via82xx_codec_wait, 1620 }; 1621 1622 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1623 return err; 1624 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1625 chip->ac97_bus->clock = chip->ac97_clock; 1626 chip->ac97_bus->shared_type = AC97_SHARED_TYPE_VIA; 1627 1628 memset(&ac97, 0, sizeof(ac97)); 1629 ac97.private_data = chip; 1630 ac97.private_free = snd_via82xx_mixer_free_ac97; 1631 ac97.pci = chip->pci; 1632 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1633 return err; 1634 1635 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1636 1637 if (chip->chip_type != TYPE_VIA686) { 1638 /* use slot 10/11 */ 1639 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1640 } 1641 1642 return 0; 1643 } 1644 1645 #ifdef SUPPORT_JOYSTICK 1646 #define JOYSTICK_ADDR 0x200 1647 static int __devinit snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1648 { 1649 struct gameport *gp; 1650 struct resource *r; 1651 1652 if (!joystick[dev]) 1653 return -ENODEV; 1654 1655 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1656 if (!r) { 1657 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", JOYSTICK_ADDR); 1658 return -EBUSY; 1659 } 1660 1661 chip->gameport = gp = gameport_allocate_port(); 1662 if (!gp) { 1663 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1664 release_resource(r); 1665 kfree_nocheck(r); 1666 return -ENOMEM; 1667 } 1668 1669 gameport_set_name(gp, "VIA686 Gameport"); 1670 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1671 gameport_set_dev_parent(gp, &chip->pci->dev); 1672 gp->io = JOYSTICK_ADDR; 1673 gameport_set_port_data(gp, r); 1674 1675 /* Enable legacy joystick port */ 1676 *legacy |= VIA_FUNC_ENABLE_GAME; 1677 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1678 1679 gameport_register_port(chip->gameport); 1680 1681 return 0; 1682 } 1683 1684 static void snd_via686_free_gameport(via82xx_t *chip) 1685 { 1686 if (chip->gameport) { 1687 struct resource *r = gameport_get_port_data(chip->gameport); 1688 1689 gameport_unregister_port(chip->gameport); 1690 chip->gameport = NULL; 1691 release_resource(r); 1692 kfree_nocheck(r); 1693 } 1694 } 1695 #else 1696 static inline int snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy) 1697 { 1698 return -ENOSYS; 1699 } 1700 static inline void snd_via686_free_gameport(via82xx_t *chip) { } 1701 #endif 1702 1703 1704 /* 1705 * 1706 */ 1707 1708 static int __devinit snd_via8233_init_misc(via82xx_t *chip, int dev) 1709 { 1710 int i, err, caps; 1711 unsigned char val; 1712 1713 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1714 for (i = 0; i < caps; i++) { 1715 snd_via8233_capture_source.index = i; 1716 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1717 if (err < 0) 1718 return err; 1719 } 1720 if (ac97_can_spdif(chip->ac97)) { 1721 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1722 if (err < 0) 1723 return err; 1724 } 1725 if (chip->chip_type != TYPE_VIA8233A) { 1726 /* when no h/w PCM volume control is found, use DXS volume control 1727 * as the PCM vol control 1728 */ 1729 snd_ctl_elem_id_t sid; 1730 memset(&sid, 0, sizeof(sid)); 1731 strcpy(sid.name, "PCM Playback Volume"); 1732 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1733 if (! snd_ctl_find_id(chip->card, &sid)) { 1734 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1735 if (err < 0) 1736 return err; 1737 } 1738 } 1739 1740 /* select spdif data slot 10/11 */ 1741 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1742 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1743 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1744 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1745 1746 return 0; 1747 } 1748 1749 static int __devinit snd_via686_init_misc(via82xx_t *chip, int dev) 1750 { 1751 unsigned char legacy, legacy_cfg; 1752 int rev_h = 0; 1753 1754 legacy = chip->old_legacy; 1755 legacy_cfg = chip->old_legacy_cfg; 1756 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1757 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1758 if (chip->revision >= VIA_REV_686_H) { 1759 rev_h = 1; 1760 if (mpu_port[dev] >= 0x200) { /* force MIDI */ 1761 mpu_port[dev] &= 0xfffc; 1762 pci_write_config_dword(chip->pci, 0x18, mpu_port[dev] | 0x01); 1763 #ifdef CONFIG_PM 1764 chip->mpu_port_saved = mpu_port[dev]; 1765 #endif 1766 } else { 1767 mpu_port[dev] = pci_resource_start(chip->pci, 2); 1768 } 1769 } else { 1770 switch (mpu_port[dev]) { /* force MIDI */ 1771 case 0x300: 1772 case 0x310: 1773 case 0x320: 1774 case 0x330: 1775 legacy_cfg &= ~(3 << 2); 1776 legacy_cfg |= (mpu_port[dev] & 0x0030) >> 2; 1777 break; 1778 default: /* no, use BIOS settings */ 1779 if (legacy & VIA_FUNC_ENABLE_MIDI) 1780 mpu_port[dev] = 0x300 + ((legacy_cfg & 0x000c) << 2); 1781 break; 1782 } 1783 } 1784 if (mpu_port[dev] >= 0x200 && 1785 (chip->mpu_res = request_region(mpu_port[dev], 2, "VIA82xx MPU401")) != NULL) { 1786 if (rev_h) 1787 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1788 legacy |= VIA_FUNC_ENABLE_MIDI; 1789 } else { 1790 if (rev_h) 1791 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1792 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1793 mpu_port[dev] = 0; 1794 } 1795 1796 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1797 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1798 if (chip->mpu_res) { 1799 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1800 mpu_port[dev], 1, 1801 chip->irq, 0, &chip->rmidi) < 0) { 1802 printk(KERN_WARNING "unable to initialize MPU-401 at 0x%lx, skipping\n", mpu_port[dev]); 1803 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1804 } else { 1805 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 1806 } 1807 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1808 } 1809 1810 snd_via686_create_gameport(chip, dev, &legacy); 1811 1812 #ifdef CONFIG_PM 1813 chip->legacy_saved = legacy; 1814 chip->legacy_cfg_saved = legacy_cfg; 1815 #endif 1816 1817 return 0; 1818 } 1819 1820 1821 /* 1822 * proc interface 1823 */ 1824 static void snd_via82xx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) 1825 { 1826 via82xx_t *chip = entry->private_data; 1827 int i; 1828 1829 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 1830 for (i = 0; i < 0xa0; i += 4) { 1831 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 1832 } 1833 } 1834 1835 static void __devinit snd_via82xx_proc_init(via82xx_t *chip) 1836 { 1837 snd_info_entry_t *entry; 1838 1839 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 1840 snd_info_set_text_ops(entry, chip, 1024, snd_via82xx_proc_read); 1841 } 1842 1843 /* 1844 * 1845 */ 1846 1847 static int snd_via82xx_chip_init(via82xx_t *chip) 1848 { 1849 unsigned int val; 1850 int max_count; 1851 unsigned char pval; 1852 1853 #if 0 /* broken on K7M? */ 1854 if (chip->chip_type == TYPE_VIA686) 1855 /* disable all legacy ports */ 1856 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 1857 #endif 1858 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1859 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 1860 /* deassert ACLink reset, force SYNC */ 1861 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1862 VIA_ACLINK_CTRL_ENABLE | 1863 VIA_ACLINK_CTRL_RESET | 1864 VIA_ACLINK_CTRL_SYNC); 1865 udelay(100); 1866 #if 1 /* FIXME: should we do full reset here for all chip models? */ 1867 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 1868 udelay(100); 1869 #else 1870 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 1871 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1872 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 1873 udelay(2); 1874 #endif 1875 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1876 /* note - FM data out has trouble with non VRA codecs !! */ 1877 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1878 udelay(100); 1879 } 1880 1881 /* Make sure VRA is enabled, in case we didn't do a 1882 * complete codec reset, above */ 1883 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 1884 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 1885 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 1886 /* note - FM data out has trouble with non VRA codecs !! */ 1887 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 1888 udelay(100); 1889 } 1890 1891 /* wait until codec ready */ 1892 max_count = ((3 * HZ) / 4) + 1; 1893 do { 1894 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1895 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 1896 break; 1897 set_current_state(TASK_UNINTERRUPTIBLE); 1898 schedule_timeout(1); 1899 } while (--max_count > 0); 1900 1901 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 1902 snd_printk("AC'97 codec is not ready [0x%x]\n", val); 1903 1904 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 1905 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1906 VIA_REG_AC97_SECONDARY_VALID | 1907 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1908 max_count = ((3 * HZ) / 4) + 1; 1909 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 1910 VIA_REG_AC97_SECONDARY_VALID | 1911 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 1912 do { 1913 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 1914 chip->ac97_secondary = 1; 1915 goto __ac97_ok2; 1916 } 1917 set_current_state(TASK_INTERRUPTIBLE); 1918 schedule_timeout(1); 1919 } while (--max_count > 0); 1920 /* This is ok, the most of motherboards have only one codec */ 1921 1922 __ac97_ok2: 1923 #endif 1924 1925 if (chip->chip_type == TYPE_VIA686) { 1926 /* route FM trap to IRQ, disable FM trap */ 1927 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 1928 /* disable all GPI interrupts */ 1929 outl(0, VIAREG(chip, GPI_INTR)); 1930 } 1931 1932 if (chip->chip_type != TYPE_VIA686) { 1933 /* Workaround for Award BIOS bug: 1934 * DXS channels don't work properly with VRA if MC97 is disabled. 1935 */ 1936 struct pci_dev *pci; 1937 pci = pci_find_device(0x1106, 0x3068, NULL); /* MC97 */ 1938 if (pci) { 1939 unsigned char data; 1940 pci_read_config_byte(pci, 0x44, &data); 1941 pci_write_config_byte(pci, 0x44, data | 0x40); 1942 } 1943 } 1944 1945 if (chip->chip_type != TYPE_VIA8233A) { 1946 int i, idx; 1947 for (idx = 0; idx < 4; idx++) { 1948 unsigned long port = chip->port + 0x10 * idx; 1949 for (i = 0; i < 2; i++) 1950 outb(chip->playback_volume[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1951 } 1952 } 1953 1954 return 0; 1955 } 1956 1957 #ifdef CONFIG_PM 1958 /* 1959 * power management 1960 */ 1961 static int snd_via82xx_suspend(snd_card_t *card, pm_message_t state) 1962 { 1963 via82xx_t *chip = card->pm_private_data; 1964 int i; 1965 1966 for (i = 0; i < 2; i++) 1967 if (chip->pcms[i]) 1968 snd_pcm_suspend_all(chip->pcms[i]); 1969 for (i = 0; i < chip->num_devs; i++) 1970 snd_via82xx_channel_reset(chip, &chip->devs[i]); 1971 synchronize_irq(chip->irq); 1972 snd_ac97_suspend(chip->ac97); 1973 1974 /* save misc values */ 1975 if (chip->chip_type != TYPE_VIA686) { 1976 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 1977 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 1978 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 1979 } 1980 1981 pci_set_power_state(chip->pci, 3); 1982 pci_disable_device(chip->pci); 1983 return 0; 1984 } 1985 1986 static int snd_via82xx_resume(snd_card_t *card) 1987 { 1988 via82xx_t *chip = card->pm_private_data; 1989 int i; 1990 1991 pci_enable_device(chip->pci); 1992 pci_set_power_state(chip->pci, 0); 1993 1994 snd_via82xx_chip_init(chip); 1995 1996 if (chip->chip_type == TYPE_VIA686) { 1997 if (chip->mpu_port_saved) 1998 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 1999 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2000 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2001 } else { 2002 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2003 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2004 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2005 } 2006 2007 snd_ac97_resume(chip->ac97); 2008 2009 for (i = 0; i < chip->num_devs; i++) 2010 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2011 2012 return 0; 2013 } 2014 #endif /* CONFIG_PM */ 2015 2016 static int snd_via82xx_free(via82xx_t *chip) 2017 { 2018 unsigned int i; 2019 2020 if (chip->irq < 0) 2021 goto __end_hw; 2022 /* disable interrupts */ 2023 for (i = 0; i < chip->num_devs; i++) 2024 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2025 synchronize_irq(chip->irq); 2026 __end_hw: 2027 if (chip->irq >= 0) 2028 free_irq(chip->irq, (void *)chip); 2029 if (chip->mpu_res) { 2030 release_resource(chip->mpu_res); 2031 kfree_nocheck(chip->mpu_res); 2032 } 2033 pci_release_regions(chip->pci); 2034 2035 if (chip->chip_type == TYPE_VIA686) { 2036 snd_via686_free_gameport(chip); 2037 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2038 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2039 } 2040 pci_disable_device(chip->pci); 2041 kfree(chip); 2042 return 0; 2043 } 2044 2045 static int snd_via82xx_dev_free(snd_device_t *device) 2046 { 2047 via82xx_t *chip = device->device_data; 2048 return snd_via82xx_free(chip); 2049 } 2050 2051 static int __devinit snd_via82xx_create(snd_card_t * card, 2052 struct pci_dev *pci, 2053 int chip_type, 2054 int revision, 2055 unsigned int ac97_clock, 2056 via82xx_t ** r_via) 2057 { 2058 via82xx_t *chip; 2059 int err; 2060 static snd_device_ops_t ops = { 2061 .dev_free = snd_via82xx_dev_free, 2062 }; 2063 2064 if ((err = pci_enable_device(pci)) < 0) 2065 return err; 2066 2067 if ((chip = kcalloc(1, sizeof(*chip), GFP_KERNEL)) == NULL) { 2068 pci_disable_device(pci); 2069 return -ENOMEM; 2070 } 2071 2072 chip->chip_type = chip_type; 2073 chip->revision = revision; 2074 2075 spin_lock_init(&chip->reg_lock); 2076 spin_lock_init(&chip->rates[0].lock); 2077 spin_lock_init(&chip->rates[1].lock); 2078 chip->card = card; 2079 chip->pci = pci; 2080 chip->irq = -1; 2081 2082 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2083 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2084 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2085 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2086 2087 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2088 kfree(chip); 2089 pci_disable_device(pci); 2090 return err; 2091 } 2092 chip->port = pci_resource_start(pci, 0); 2093 if (request_irq(pci->irq, snd_via82xx_interrupt, SA_INTERRUPT|SA_SHIRQ, 2094 card->driver, (void *)chip)) { 2095 snd_printk("unable to grab IRQ %d\n", pci->irq); 2096 snd_via82xx_free(chip); 2097 return -EBUSY; 2098 } 2099 chip->irq = pci->irq; 2100 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2101 chip->ac97_clock = ac97_clock; 2102 synchronize_irq(chip->irq); 2103 2104 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2105 snd_via82xx_free(chip); 2106 return err; 2107 } 2108 2109 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2110 snd_via82xx_free(chip); 2111 return err; 2112 } 2113 2114 /* The 8233 ac97 controller does not implement the master bit 2115 * in the pci command register. IMHO this is a violation of the PCI spec. 2116 * We call pci_set_master here because it does not hurt. */ 2117 pci_set_master(pci); 2118 2119 snd_card_set_dev(card, &pci->dev); 2120 2121 *r_via = chip; 2122 return 0; 2123 } 2124 2125 struct via823x_info { 2126 int revision; 2127 char *name; 2128 int type; 2129 }; 2130 static struct via823x_info via823x_cards[] __devinitdata = { 2131 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2132 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2133 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2134 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2135 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2136 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2137 }; 2138 2139 /* 2140 * auto detection of DXS channel supports. 2141 */ 2142 struct dxs_whitelist { 2143 unsigned short subvendor; 2144 unsigned short subdevice; 2145 unsigned short mask; 2146 short action; /* new dxs_support value */ 2147 }; 2148 2149 static int __devinit check_dxs_list(struct pci_dev *pci) 2150 { 2151 static struct dxs_whitelist whitelist[] = { 2152 { .subvendor = 0x1005, .subdevice = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2153 { .subvendor = 0x1019, .subdevice = 0x0996, .action = VIA_DXS_48K }, 2154 { .subvendor = 0x1019, .subdevice = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2155 { .subvendor = 0x1019, .subdevice = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 2156 { .subvendor = 0x1025, .subdevice = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */ 2157 { .subvendor = 0x1043, .subdevice = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/ 2158 { .subvendor = 0x1043, .subdevice = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ 2159 { .subvendor = 0x1043, .subdevice = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ 2160 { .subvendor = 0x1043, .subdevice = 0x812a, .action = VIA_DXS_SRC }, /* ASUS A8V Deluxe */ 2161 { .subvendor = 0x1071, .subdevice = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2162 { .subvendor = 0x1071, .subdevice = 0x8399, .action = VIA_DXS_NO_VRA }, /* Umax AB 595T (VIA K8N800A - VT8237) */ 2163 { .subvendor = 0x10cf, .subdevice = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2164 { .subvendor = 0x1106, .subdevice = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2165 { .subvendor = 0x1106, .subdevice = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2166 { .subvendor = 0x1106, .subdevice = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2167 { .subvendor = 0x1106, .subdevice = 0xc001, .action = VIA_DXS_SRC }, /* Insight P4-ITX */ 2168 { .subvendor = 0x1297, .subdevice = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2169 { .subvendor = 0x1297, .subdevice = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2170 { .subvendor = 0x1458, .subdevice = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2171 { .subvendor = 0x1462, .subdevice = 0x0080, .action = VIA_DXS_SRC }, /* MSI K8T Neo-FIS2R */ 2172 { .subvendor = 0x1462, .subdevice = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2173 { .subvendor = 0x1462, .subdevice = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2174 { .subvendor = 0x1462, .subdevice = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */ 2175 { .subvendor = 0x1462, .subdevice = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2176 { .subvendor = 0x147b, .subdevice = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2177 { .subvendor = 0x147b, .subdevice = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2178 { .subvendor = 0x147b, .subdevice = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2179 { .subvendor = 0x147b, .subdevice = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2180 { .subvendor = 0x14ff, .subdevice = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2181 { .subvendor = 0x14ff, .subdevice = 0x0408, .action = VIA_DXS_NO_VRA }, /* Twinhead mobo */ 2182 { .subvendor = 0x1584, .subdevice = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2183 { .subvendor = 0x1584, .subdevice = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2184 { .subvendor = 0x161f, .subdevice = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2185 { .subvendor = 0x161f, .subdevice = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2186 { .subvendor = 0x1631, .subdevice = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2187 { .subvendor = 0x1695, .subdevice = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2188 { .subvendor = 0x1849, .subdevice = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2189 { .subvendor = 0x1919, .subdevice = 0x200a, .action = VIA_DXS_NO_VRA }, /* Soltek SL-K8Tpro-939 */ 2190 { } /* terminator */ 2191 }; 2192 struct dxs_whitelist *w; 2193 unsigned short subsystem_vendor; 2194 unsigned short subsystem_device; 2195 2196 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2197 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2198 2199 for (w = whitelist; w->subvendor; w++) { 2200 if (w->subvendor != subsystem_vendor) 2201 continue; 2202 if (w->mask) { 2203 if ((w->mask & subsystem_device) == w->subdevice) 2204 return w->action; 2205 } else { 2206 if (subsystem_device == w->subdevice) 2207 return w->action; 2208 } 2209 } 2210 2211 /* 2212 * not detected, try 48k rate only to be sure. 2213 */ 2214 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2215 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2216 printk(KERN_INFO " and report if it works on your machine.\n"); 2217 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2218 return VIA_DXS_48K; 2219 }; 2220 2221 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2222 const struct pci_device_id *pci_id) 2223 { 2224 static int dev; 2225 snd_card_t *card; 2226 via82xx_t *chip; 2227 unsigned char revision; 2228 int chip_type = 0, card_type; 2229 unsigned int i; 2230 int err; 2231 2232 if (dev >= SNDRV_CARDS) 2233 return -ENODEV; 2234 if (!enable[dev]) { 2235 dev++; 2236 return -ENOENT; 2237 } 2238 2239 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); 2240 if (card == NULL) 2241 return -ENOMEM; 2242 2243 card_type = pci_id->driver_data; 2244 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2245 switch (card_type) { 2246 case TYPE_CARD_VIA686: 2247 strcpy(card->driver, "VIA686A"); 2248 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2249 chip_type = TYPE_VIA686; 2250 break; 2251 case TYPE_CARD_VIA8233: 2252 chip_type = TYPE_VIA8233; 2253 sprintf(card->shortname, "VIA 823x rev%x", revision); 2254 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2255 if (revision == via823x_cards[i].revision) { 2256 chip_type = via823x_cards[i].type; 2257 strcpy(card->shortname, via823x_cards[i].name); 2258 break; 2259 } 2260 } 2261 if (chip_type != TYPE_VIA8233A) { 2262 if (dxs_support[dev] == VIA_DXS_AUTO) 2263 dxs_support[dev] = check_dxs_list(pci); 2264 /* force to use VIA8233 or 8233A model according to 2265 * dxs_support module option 2266 */ 2267 if (dxs_support[dev] == VIA_DXS_DISABLE) 2268 chip_type = TYPE_VIA8233A; 2269 else 2270 chip_type = TYPE_VIA8233; 2271 } 2272 if (chip_type == TYPE_VIA8233A) 2273 strcpy(card->driver, "VIA8233A"); 2274 else if (revision >= VIA_REV_8237) 2275 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2276 else 2277 strcpy(card->driver, "VIA8233"); 2278 break; 2279 default: 2280 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2281 err = -EINVAL; 2282 goto __error; 2283 } 2284 2285 if ((err = snd_via82xx_create(card, pci, chip_type, revision, ac97_clock[dev], &chip)) < 0) 2286 goto __error; 2287 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk[dev])) < 0) 2288 goto __error; 2289 2290 if (chip_type == TYPE_VIA686) { 2291 if ((err = snd_via686_pcm_new(chip)) < 0 || 2292 (err = snd_via686_init_misc(chip, dev)) < 0) 2293 goto __error; 2294 } else { 2295 if (chip_type == TYPE_VIA8233A) { 2296 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2297 goto __error; 2298 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2299 } else { 2300 if ((err = snd_via8233_pcm_new(chip)) < 0) 2301 goto __error; 2302 if (dxs_support[dev] == VIA_DXS_48K) 2303 chip->dxs_fixed = 1; 2304 else if (dxs_support[dev] == VIA_DXS_NO_VRA) 2305 chip->no_vra = 1; 2306 else if (dxs_support[dev] == VIA_DXS_SRC) { 2307 chip->no_vra = 1; 2308 chip->dxs_src = 1; 2309 } 2310 } 2311 if ((err = snd_via8233_init_misc(chip, dev)) < 0) 2312 goto __error; 2313 } 2314 2315 snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip); 2316 2317 /* disable interrupts */ 2318 for (i = 0; i < chip->num_devs; i++) 2319 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2320 2321 snprintf(card->longname, sizeof(card->longname), 2322 "%s with %s at %#lx, irq %d", card->shortname, 2323 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2324 2325 snd_via82xx_proc_init(chip); 2326 2327 if ((err = snd_card_register(card)) < 0) { 2328 snd_card_free(card); 2329 return err; 2330 } 2331 pci_set_drvdata(pci, card); 2332 dev++; 2333 return 0; 2334 2335 __error: 2336 snd_card_free(card); 2337 return err; 2338 } 2339 2340 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2341 { 2342 snd_card_free(pci_get_drvdata(pci)); 2343 pci_set_drvdata(pci, NULL); 2344 } 2345 2346 static struct pci_driver driver = { 2347 .name = "VIA 82xx Audio", 2348 .id_table = snd_via82xx_ids, 2349 .probe = snd_via82xx_probe, 2350 .remove = __devexit_p(snd_via82xx_remove), 2351 SND_PCI_PM_CALLBACKS 2352 }; 2353 2354 static int __init alsa_card_via82xx_init(void) 2355 { 2356 return pci_register_driver(&driver); 2357 } 2358 2359 static void __exit alsa_card_via82xx_exit(void) 2360 { 2361 pci_unregister_driver(&driver); 2362 } 2363 2364 module_init(alsa_card_via82xx_init) 2365 module_exit(alsa_card_via82xx_exit) 2366