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 * Sep. 26, 2005 Karsten Wiese <annabellesgarden@yahoo.de> 46 * - Optimize position calculation for the 823x chips. 47 */ 48 49 #include <sound/driver.h> 50 #include <asm/io.h> 51 #include <linux/delay.h> 52 #include <linux/interrupt.h> 53 #include <linux/init.h> 54 #include <linux/pci.h> 55 #include <linux/slab.h> 56 #include <linux/gameport.h> 57 #include <linux/moduleparam.h> 58 #include <sound/core.h> 59 #include <sound/pcm.h> 60 #include <sound/pcm_params.h> 61 #include <sound/info.h> 62 #include <sound/ac97_codec.h> 63 #include <sound/mpu401.h> 64 #include <sound/initval.h> 65 66 #if 0 67 #define POINTER_DEBUG 68 #endif 69 70 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 71 MODULE_DESCRIPTION("VIA VT82xx audio"); 72 MODULE_LICENSE("GPL"); 73 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 74 75 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) 76 #define SUPPORT_JOYSTICK 1 77 #endif 78 79 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 80 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 81 static long mpu_port; 82 #ifdef SUPPORT_JOYSTICK 83 static int joystick; 84 #endif 85 static int ac97_clock = 48000; 86 static char *ac97_quirk; 87 static int dxs_support; 88 89 module_param(index, int, 0444); 90 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 91 module_param(id, charp, 0444); 92 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 93 module_param(mpu_port, long, 0444); 94 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 95 #ifdef SUPPORT_JOYSTICK 96 module_param(joystick, bool, 0444); 97 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 98 #endif 99 module_param(ac97_clock, int, 0444); 100 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 101 module_param(ac97_quirk, charp, 0444); 102 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 103 module_param(dxs_support, int, 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 /* just for backward compatibility */ 107 static int enable; 108 module_param(enable, bool, 0444); 109 110 111 /* revision numbers for via686 */ 112 #define VIA_REV_686_A 0x10 113 #define VIA_REV_686_B 0x11 114 #define VIA_REV_686_C 0x12 115 #define VIA_REV_686_D 0x13 116 #define VIA_REV_686_E 0x14 117 #define VIA_REV_686_H 0x20 118 119 /* revision numbers for via8233 */ 120 #define VIA_REV_PRE_8233 0x10 /* not in market */ 121 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 122 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 123 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 124 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 125 #define VIA_REV_8237 0x60 126 #define VIA_REV_8251 0x70 127 128 /* 129 * Direct registers 130 */ 131 132 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 133 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 134 135 /* common offsets */ 136 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 137 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 138 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 139 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 140 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 141 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 142 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 143 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 144 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 145 #define VIA_REG_CTRL_START 0x80 /* WO */ 146 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 147 #define VIA_REG_CTRL_AUTOSTART 0x20 148 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 149 #define VIA_REG_CTRL_INT_STOP 0x04 150 #define VIA_REG_CTRL_INT_EOL 0x02 151 #define VIA_REG_CTRL_INT_FLAG 0x01 152 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 153 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 154 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 155 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 156 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 157 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 158 #define VIA_REG_TYPE_INT_LLINE 0x00 159 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 160 #define VIA_REG_TYPE_INT_LESSONE 0x08 161 #define VIA_REG_TYPE_INT_MASK 0x0c 162 #define VIA_REG_TYPE_INT_EOL 0x02 163 #define VIA_REG_TYPE_INT_FLAG 0x01 164 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 165 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 166 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 167 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 168 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 169 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 170 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 171 172 #define DEFINE_VIA_REGSET(name,val) \ 173 enum {\ 174 VIA_REG_##name##_STATUS = (val),\ 175 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 176 VIA_REG_##name##_TYPE = (val) + 0x02,\ 177 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 178 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 179 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 180 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 181 } 182 183 /* playback block */ 184 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 185 DEFINE_VIA_REGSET(CAPTURE, 0x10); 186 DEFINE_VIA_REGSET(FM, 0x20); 187 188 /* AC'97 */ 189 #define VIA_REG_AC97 0x80 /* dword */ 190 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 191 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 192 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 193 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 194 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 195 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 196 #define VIA_REG_AC97_BUSY (1<<24) 197 #define VIA_REG_AC97_READ (1<<23) 198 #define VIA_REG_AC97_CMD_SHIFT 16 199 #define VIA_REG_AC97_CMD_MASK 0x7e 200 #define VIA_REG_AC97_DATA_SHIFT 0 201 #define VIA_REG_AC97_DATA_MASK 0xffff 202 203 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 204 /* via686 */ 205 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 206 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 207 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 208 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 209 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 210 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 211 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 212 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 213 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 214 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 215 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 216 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 217 /* via8233 */ 218 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 219 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 220 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 221 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 222 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 223 #define VIA8233_REG_SGD_CHAN_SDX 0 224 #define VIA8233_REG_SGD_CHAN_MULTI 4 225 #define VIA8233_REG_SGD_CHAN_REC 6 226 #define VIA8233_REG_SGD_CHAN_REC1 7 227 228 #define VIA_REG_GPI_STATUS 0x88 229 #define VIA_REG_GPI_INTR 0x8c 230 231 /* multi-channel and capture registers for via8233 */ 232 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 233 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 234 235 /* via8233-specific registers */ 236 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 237 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 238 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 239 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 240 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 241 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 242 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 243 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 244 245 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 246 247 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 248 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 249 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 250 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 251 252 #define VIA_TBL_BIT_FLAG 0x40000000 253 #define VIA_TBL_BIT_EOL 0x80000000 254 255 /* pci space */ 256 #define VIA_ACLINK_STAT 0x40 257 #define VIA_ACLINK_C11_READY 0x20 258 #define VIA_ACLINK_C10_READY 0x10 259 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 260 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 261 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 262 #define VIA_ACLINK_CTRL 0x41 263 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 264 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 265 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 266 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 267 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 268 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 269 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 270 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 271 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 272 VIA_ACLINK_CTRL_RESET|\ 273 VIA_ACLINK_CTRL_PCM|\ 274 VIA_ACLINK_CTRL_VRA) 275 #define VIA_FUNC_ENABLE 0x42 276 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 277 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 278 #define VIA_FUNC_RX2C_WRITE 0x20 279 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 280 #define VIA_FUNC_ENABLE_GAME 0x08 281 #define VIA_FUNC_ENABLE_FM 0x04 282 #define VIA_FUNC_ENABLE_MIDI 0x02 283 #define VIA_FUNC_ENABLE_SB 0x01 284 #define VIA_PNP_CONTROL 0x43 285 #define VIA_FM_NMI_CTRL 0x48 286 #define VIA8233_VOLCHG_CTRL 0x48 287 #define VIA8233_SPDIF_CTRL 0x49 288 #define VIA8233_SPDIF_DX3 0x08 289 #define VIA8233_SPDIF_SLOT_MASK 0x03 290 #define VIA8233_SPDIF_SLOT_1011 0x00 291 #define VIA8233_SPDIF_SLOT_34 0x01 292 #define VIA8233_SPDIF_SLOT_78 0x02 293 #define VIA8233_SPDIF_SLOT_69 0x03 294 295 /* 296 */ 297 298 #define VIA_DXS_AUTO 0 299 #define VIA_DXS_ENABLE 1 300 #define VIA_DXS_DISABLE 2 301 #define VIA_DXS_48K 3 302 #define VIA_DXS_NO_VRA 4 303 #define VIA_DXS_SRC 5 304 305 306 /* 307 * pcm stream 308 */ 309 310 struct snd_via_sg_table { 311 unsigned int offset; 312 unsigned int size; 313 } ; 314 315 #define VIA_TABLE_SIZE 255 316 317 struct viadev { 318 unsigned int reg_offset; 319 unsigned long port; 320 int direction; /* playback = 0, capture = 1 */ 321 struct snd_pcm_substream *substream; 322 int running; 323 unsigned int tbl_entries; /* # descriptors */ 324 struct snd_dma_buffer table; 325 struct snd_via_sg_table *idx_table; 326 /* for recovery from the unexpected pointer */ 327 unsigned int lastpos; 328 unsigned int fragsize; 329 unsigned int bufsize; 330 unsigned int bufsize2; 331 int hwptr_done; /* processed frame position in the buffer */ 332 int in_interrupt; 333 int shadow_shift; 334 }; 335 336 337 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 338 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 339 340 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 341 342 struct via_rate_lock { 343 spinlock_t lock; 344 int rate; 345 int used; 346 }; 347 348 struct via82xx { 349 int irq; 350 351 unsigned long port; 352 struct resource *mpu_res; 353 int chip_type; 354 unsigned char revision; 355 356 unsigned char old_legacy; 357 unsigned char old_legacy_cfg; 358 #ifdef CONFIG_PM 359 unsigned char legacy_saved; 360 unsigned char legacy_cfg_saved; 361 unsigned char spdif_ctrl_saved; 362 unsigned char capture_src_saved[2]; 363 unsigned int mpu_port_saved; 364 #endif 365 366 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 367 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 368 369 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 370 371 struct pci_dev *pci; 372 struct snd_card *card; 373 374 unsigned int num_devs; 375 unsigned int playback_devno, multi_devno, capture_devno; 376 struct viadev devs[VIA_MAX_DEVS]; 377 struct via_rate_lock rates[2]; /* playback and capture */ 378 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 379 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 380 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 381 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 382 383 struct snd_pcm *pcms[2]; 384 struct snd_rawmidi *rmidi; 385 386 struct snd_ac97_bus *ac97_bus; 387 struct snd_ac97 *ac97; 388 unsigned int ac97_clock; 389 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 390 391 spinlock_t reg_lock; 392 struct snd_info_entry *proc_entry; 393 394 #ifdef SUPPORT_JOYSTICK 395 struct gameport *gameport; 396 #endif 397 }; 398 399 static struct pci_device_id snd_via82xx_ids[] = { 400 /* 0x1106, 0x3058 */ 401 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 402 /* 0x1106, 0x3059 */ 403 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 404 { 0, } 405 }; 406 407 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 408 409 /* 410 */ 411 412 /* 413 * allocate and initialize the descriptor buffers 414 * periods = number of periods 415 * fragsize = period size in bytes 416 */ 417 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 418 struct pci_dev *pci, 419 unsigned int periods, unsigned int fragsize) 420 { 421 unsigned int i, idx, ofs, rest; 422 struct via82xx *chip = snd_pcm_substream_chip(substream); 423 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 424 425 if (dev->table.area == NULL) { 426 /* the start of each lists must be aligned to 8 bytes, 427 * but the kernel pages are much bigger, so we don't care 428 */ 429 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 430 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 431 &dev->table) < 0) 432 return -ENOMEM; 433 } 434 if (! dev->idx_table) { 435 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 436 if (! dev->idx_table) 437 return -ENOMEM; 438 } 439 440 /* fill the entries */ 441 idx = 0; 442 ofs = 0; 443 for (i = 0; i < periods; i++) { 444 rest = fragsize; 445 /* fill descriptors for a period. 446 * a period can be split to several descriptors if it's 447 * over page boundary. 448 */ 449 do { 450 unsigned int r; 451 unsigned int flag; 452 453 if (idx >= VIA_TABLE_SIZE) { 454 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 455 return -EINVAL; 456 } 457 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 458 r = PAGE_SIZE - (ofs % PAGE_SIZE); 459 if (rest < r) 460 r = rest; 461 rest -= r; 462 if (! rest) { 463 if (i == periods - 1) 464 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 465 else 466 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 467 } else 468 flag = 0; /* period continues to the next */ 469 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 470 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 471 dev->idx_table[idx].offset = ofs; 472 dev->idx_table[idx].size = r; 473 ofs += r; 474 idx++; 475 } while (rest > 0); 476 } 477 dev->tbl_entries = idx; 478 dev->bufsize = periods * fragsize; 479 dev->bufsize2 = dev->bufsize / 2; 480 dev->fragsize = fragsize; 481 return 0; 482 } 483 484 485 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 486 struct pci_dev *pci) 487 { 488 if (dev->table.area) { 489 snd_dma_free_pages(&dev->table); 490 dev->table.area = NULL; 491 } 492 kfree(dev->idx_table); 493 dev->idx_table = NULL; 494 return 0; 495 } 496 497 /* 498 * Basic I/O 499 */ 500 501 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 502 { 503 return inl(VIAREG(chip, AC97)); 504 } 505 506 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 507 { 508 outl(val, VIAREG(chip, AC97)); 509 } 510 511 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 512 { 513 unsigned int timeout = 1000; /* 1ms */ 514 unsigned int val; 515 516 while (timeout-- > 0) { 517 udelay(1); 518 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 519 return val & 0xffff; 520 } 521 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", 522 secondary, snd_via82xx_codec_xread(chip)); 523 return -EIO; 524 } 525 526 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 527 { 528 unsigned int timeout = 1000; /* 1ms */ 529 unsigned int val, val1; 530 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 531 VIA_REG_AC97_SECONDARY_VALID; 532 533 while (timeout-- > 0) { 534 val = snd_via82xx_codec_xread(chip); 535 val1 = val & (VIA_REG_AC97_BUSY | stat); 536 if (val1 == stat) 537 return val & 0xffff; 538 udelay(1); 539 } 540 return -EIO; 541 } 542 543 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 544 { 545 struct via82xx *chip = ac97->private_data; 546 int err; 547 err = snd_via82xx_codec_ready(chip, ac97->num); 548 /* here we need to wait fairly for long time.. */ 549 msleep(500); 550 } 551 552 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 553 unsigned short reg, 554 unsigned short val) 555 { 556 struct via82xx *chip = ac97->private_data; 557 unsigned int xval; 558 559 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 560 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 561 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 562 xval |= val << VIA_REG_AC97_DATA_SHIFT; 563 snd_via82xx_codec_xwrite(chip, xval); 564 snd_via82xx_codec_ready(chip, ac97->num); 565 } 566 567 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 568 { 569 struct via82xx *chip = ac97->private_data; 570 unsigned int xval, val = 0xffff; 571 int again = 0; 572 573 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 574 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 575 xval |= VIA_REG_AC97_READ; 576 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 577 while (1) { 578 if (again++ > 3) { 579 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", 580 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(struct via82xx *chip, struct viadev *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 viadev->hwptr_done = 0; 608 } 609 610 611 /* 612 * Interrupt handler 613 * Used for 686 and 8233A 614 */ 615 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id, struct pt_regs *regs) 616 { 617 struct via82xx *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 struct viadev *viadev = &chip->devs[i]; 633 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 634 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 635 continue; 636 if (viadev->substream && viadev->running) { 637 /* 638 * Update hwptr_done based on 'period elapsed' 639 * interrupts. We'll use it, when the chip returns 0 640 * for OFFSET_CURR_COUNT. 641 */ 642 if (c_status & VIA_REG_STAT_EOL) 643 viadev->hwptr_done = 0; 644 else 645 viadev->hwptr_done += viadev->fragsize; 646 viadev->in_interrupt = c_status; 647 spin_unlock(&chip->reg_lock); 648 snd_pcm_period_elapsed(viadev->substream); 649 spin_lock(&chip->reg_lock); 650 viadev->in_interrupt = 0; 651 } 652 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 653 } 654 spin_unlock(&chip->reg_lock); 655 return IRQ_HANDLED; 656 } 657 658 /* 659 * Interrupt handler 660 */ 661 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id, struct pt_regs *regs) 662 { 663 struct via82xx *chip = dev_id; 664 unsigned int status; 665 unsigned int i; 666 int irqreturn = 0; 667 668 /* check status for each stream */ 669 spin_lock(&chip->reg_lock); 670 status = inl(VIAREG(chip, SGD_SHADOW)); 671 672 for (i = 0; i < chip->num_devs; i++) { 673 struct viadev *viadev = &chip->devs[i]; 674 struct snd_pcm_substream *substream; 675 unsigned char c_status, shadow_status; 676 677 shadow_status = (status >> viadev->shadow_shift) & 678 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 679 VIA_REG_STAT_FLAG); 680 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 681 if (!c_status) 682 continue; 683 684 substream = viadev->substream; 685 if (substream && viadev->running) { 686 /* 687 * Update hwptr_done based on 'period elapsed' 688 * interrupts. We'll use it, when the chip returns 0 689 * for OFFSET_CURR_COUNT. 690 */ 691 if (c_status & VIA_REG_STAT_EOL) 692 viadev->hwptr_done = 0; 693 else 694 viadev->hwptr_done += viadev->fragsize; 695 viadev->in_interrupt = c_status; 696 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 697 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 698 spin_unlock(&chip->reg_lock); 699 700 snd_pcm_period_elapsed(substream); 701 702 spin_lock(&chip->reg_lock); 703 viadev->in_interrupt = 0; 704 } 705 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 706 irqreturn = 1; 707 } 708 spin_unlock(&chip->reg_lock); 709 return IRQ_RETVAL(irqreturn); 710 } 711 712 /* 713 * PCM callbacks 714 */ 715 716 /* 717 * trigger callback 718 */ 719 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 720 { 721 struct via82xx *chip = snd_pcm_substream_chip(substream); 722 struct viadev *viadev = substream->runtime->private_data; 723 unsigned char val; 724 725 if (chip->chip_type != TYPE_VIA686) 726 val = VIA_REG_CTRL_INT; 727 else 728 val = 0; 729 switch (cmd) { 730 case SNDRV_PCM_TRIGGER_START: 731 case SNDRV_PCM_TRIGGER_RESUME: 732 val |= VIA_REG_CTRL_START; 733 viadev->running = 1; 734 break; 735 case SNDRV_PCM_TRIGGER_STOP: 736 case SNDRV_PCM_TRIGGER_SUSPEND: 737 val = VIA_REG_CTRL_TERMINATE; 738 viadev->running = 0; 739 break; 740 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 741 val |= VIA_REG_CTRL_PAUSE; 742 viadev->running = 0; 743 break; 744 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 745 viadev->running = 1; 746 break; 747 default: 748 return -EINVAL; 749 } 750 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 751 if (cmd == SNDRV_PCM_TRIGGER_STOP) 752 snd_via82xx_channel_reset(chip, viadev); 753 return 0; 754 } 755 756 757 /* 758 * pointer callbacks 759 */ 760 761 /* 762 * calculate the linear position at the given sg-buffer index and the rest count 763 */ 764 765 #define check_invalid_pos(viadev,pos) \ 766 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 767 viadev->lastpos < viadev->bufsize2)) 768 769 static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, 770 unsigned int count) 771 { 772 unsigned int size, base, res; 773 774 size = viadev->idx_table[idx].size; 775 base = viadev->idx_table[idx].offset; 776 res = base + size - count; 777 if (res >= viadev->bufsize) 778 res -= viadev->bufsize; 779 780 /* check the validity of the calculated position */ 781 if (size < count) { 782 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 783 (int)size, (int)count); 784 res = viadev->lastpos; 785 } else { 786 if (! count) { 787 /* Some mobos report count = 0 on the DMA boundary, 788 * i.e. count = size indeed. 789 * Let's check whether this step is above the expected size. 790 */ 791 int delta = res - viadev->lastpos; 792 if (delta < 0) 793 delta += viadev->bufsize; 794 if ((unsigned int)delta > viadev->fragsize) 795 res = base; 796 } 797 if (check_invalid_pos(viadev, res)) { 798 #ifdef POINTER_DEBUG 799 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, " 800 "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " 801 "count = 0x%x\n", idx, viadev->tbl_entries, 802 viadev->lastpos, viadev->bufsize2, 803 viadev->idx_table[idx].offset, 804 viadev->idx_table[idx].size, count); 805 #endif 806 /* count register returns full size when end of buffer is reached */ 807 res = base + size; 808 if (check_invalid_pos(viadev, res)) { 809 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " 810 "using last valid pointer\n"); 811 res = viadev->lastpos; 812 } 813 } 814 } 815 return res; 816 } 817 818 /* 819 * get the current pointer on via686 820 */ 821 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 822 { 823 struct via82xx *chip = snd_pcm_substream_chip(substream); 824 struct viadev *viadev = substream->runtime->private_data; 825 unsigned int idx, ptr, count, res; 826 827 snd_assert(viadev->tbl_entries, return 0); 828 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 829 return 0; 830 831 spin_lock(&chip->reg_lock); 832 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 833 /* The via686a does not have the current index register, 834 * so we need to calculate the index from CURR_PTR. 835 */ 836 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 837 if (ptr <= (unsigned int)viadev->table.addr) 838 idx = 0; 839 else /* CURR_PTR holds the address + 8 */ 840 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 841 res = calc_linear_pos(viadev, idx, count); 842 viadev->lastpos = res; /* remember the last position */ 843 spin_unlock(&chip->reg_lock); 844 845 return bytes_to_frames(substream->runtime, res); 846 } 847 848 /* 849 * get the current pointer on via823x 850 */ 851 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 852 { 853 struct via82xx *chip = snd_pcm_substream_chip(substream); 854 struct viadev *viadev = substream->runtime->private_data; 855 unsigned int idx, count, res; 856 int status; 857 858 snd_assert(viadev->tbl_entries, return 0); 859 860 spin_lock(&chip->reg_lock); 861 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 862 status = viadev->in_interrupt; 863 if (!status) 864 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 865 866 /* An apparent bug in the 8251 is worked around by sending a 867 * REG_CTRL_START. */ 868 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 869 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 870 871 if (!(status & VIA_REG_STAT_ACTIVE)) { 872 res = 0; 873 goto unlock; 874 } 875 if (count & 0xffffff) { 876 idx = count >> 24; 877 if (idx >= viadev->tbl_entries) { 878 #ifdef POINTER_DEBUG 879 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, 880 viadev->tbl_entries); 881 #endif 882 res = viadev->lastpos; 883 } else { 884 count &= 0xffffff; 885 res = calc_linear_pos(viadev, idx, count); 886 } 887 } else { 888 res = viadev->hwptr_done; 889 if (!viadev->in_interrupt) { 890 if (status & VIA_REG_STAT_EOL) { 891 res = 0; 892 } else 893 if (status & VIA_REG_STAT_FLAG) { 894 res += viadev->fragsize; 895 } 896 } 897 } 898 unlock: 899 viadev->lastpos = res; 900 spin_unlock(&chip->reg_lock); 901 902 return bytes_to_frames(substream->runtime, res); 903 } 904 905 906 /* 907 * hw_params callback: 908 * allocate the buffer and build up the buffer description table 909 */ 910 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 911 struct snd_pcm_hw_params *hw_params) 912 { 913 struct via82xx *chip = snd_pcm_substream_chip(substream); 914 struct viadev *viadev = substream->runtime->private_data; 915 int err; 916 917 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 918 if (err < 0) 919 return err; 920 err = build_via_table(viadev, substream, chip->pci, 921 params_periods(hw_params), 922 params_period_bytes(hw_params)); 923 if (err < 0) 924 return err; 925 926 return 0; 927 } 928 929 /* 930 * hw_free callback: 931 * clean up the buffer description table and release the buffer 932 */ 933 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 934 { 935 struct via82xx *chip = snd_pcm_substream_chip(substream); 936 struct viadev *viadev = substream->runtime->private_data; 937 938 clean_via_table(viadev, substream, chip->pci); 939 snd_pcm_lib_free_pages(substream); 940 return 0; 941 } 942 943 944 /* 945 * set up the table pointer 946 */ 947 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 948 { 949 snd_via82xx_codec_ready(chip, 0); 950 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 951 udelay(20); 952 snd_via82xx_codec_ready(chip, 0); 953 } 954 955 /* 956 * prepare callback for playback and capture on via686 957 */ 958 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 959 struct snd_pcm_runtime *runtime) 960 { 961 snd_via82xx_channel_reset(chip, viadev); 962 /* this must be set after channel_reset */ 963 snd_via82xx_set_table_ptr(chip, viadev); 964 outb(VIA_REG_TYPE_AUTOSTART | 965 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 966 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 967 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 968 VIA_REG_TYPE_INT_EOL | 969 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 970 } 971 972 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 973 { 974 struct via82xx *chip = snd_pcm_substream_chip(substream); 975 struct viadev *viadev = substream->runtime->private_data; 976 struct snd_pcm_runtime *runtime = substream->runtime; 977 978 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 979 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 980 via686_setup_format(chip, viadev, runtime); 981 return 0; 982 } 983 984 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 985 { 986 struct via82xx *chip = snd_pcm_substream_chip(substream); 987 struct viadev *viadev = substream->runtime->private_data; 988 struct snd_pcm_runtime *runtime = substream->runtime; 989 990 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 991 via686_setup_format(chip, viadev, runtime); 992 return 0; 993 } 994 995 /* 996 * lock the current rate 997 */ 998 static int via_lock_rate(struct via_rate_lock *rec, int rate) 999 { 1000 int changed = 0; 1001 1002 spin_lock_irq(&rec->lock); 1003 if (rec->rate != rate) { 1004 if (rec->rate && rec->used > 1) /* already set */ 1005 changed = -EINVAL; 1006 else { 1007 rec->rate = rate; 1008 changed = 1; 1009 } 1010 } 1011 spin_unlock_irq(&rec->lock); 1012 return changed; 1013 } 1014 1015 /* 1016 * prepare callback for DSX playback on via823x 1017 */ 1018 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1019 { 1020 struct via82xx *chip = snd_pcm_substream_chip(substream); 1021 struct viadev *viadev = substream->runtime->private_data; 1022 struct snd_pcm_runtime *runtime = substream->runtime; 1023 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1024 int rate_changed; 1025 u32 rbits; 1026 1027 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1028 return rate_changed; 1029 if (rate_changed) 1030 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1031 chip->no_vra ? 48000 : runtime->rate); 1032 if (chip->spdif_on && viadev->reg_offset == 0x30) 1033 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1034 1035 if (runtime->rate == 48000) 1036 rbits = 0xfffff; 1037 else 1038 rbits = (0x100000 / 48000) * runtime->rate + 1039 ((0x100000 % 48000) * runtime->rate) / 48000; 1040 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 1041 snd_via82xx_channel_reset(chip, viadev); 1042 snd_via82xx_set_table_ptr(chip, viadev); 1043 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1044 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1045 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1046 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1047 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1048 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1049 rbits | /* rate */ 1050 0xff000000, /* STOP index is never reached */ 1051 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1052 udelay(20); 1053 snd_via82xx_codec_ready(chip, 0); 1054 return 0; 1055 } 1056 1057 /* 1058 * prepare callback for multi-channel playback on via823x 1059 */ 1060 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1061 { 1062 struct via82xx *chip = snd_pcm_substream_chip(substream); 1063 struct viadev *viadev = substream->runtime->private_data; 1064 struct snd_pcm_runtime *runtime = substream->runtime; 1065 unsigned int slots; 1066 int fmt; 1067 1068 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1069 return -EINVAL; 1070 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1071 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1072 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1073 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1074 snd_via82xx_channel_reset(chip, viadev); 1075 snd_via82xx_set_table_ptr(chip, viadev); 1076 1077 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1078 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1079 fmt |= runtime->channels << 4; 1080 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1081 #if 0 1082 if (chip->revision == VIA_REV_8233A) 1083 slots = 0; 1084 else 1085 #endif 1086 { 1087 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1088 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1089 switch (runtime->channels) { 1090 case 1: slots = (1<<0) | (1<<4); break; 1091 case 2: slots = (1<<0) | (2<<4); break; 1092 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1093 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1094 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1095 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1096 default: slots = 0; break; 1097 } 1098 } 1099 /* STOP index is never reached */ 1100 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1101 udelay(20); 1102 snd_via82xx_codec_ready(chip, 0); 1103 return 0; 1104 } 1105 1106 /* 1107 * prepare callback for capture on via823x 1108 */ 1109 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1110 { 1111 struct via82xx *chip = snd_pcm_substream_chip(substream); 1112 struct viadev *viadev = substream->runtime->private_data; 1113 struct snd_pcm_runtime *runtime = substream->runtime; 1114 1115 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1116 return -EINVAL; 1117 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1118 snd_via82xx_channel_reset(chip, viadev); 1119 snd_via82xx_set_table_ptr(chip, viadev); 1120 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1121 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1122 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1123 0xff000000, /* STOP index is never reached */ 1124 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1125 udelay(20); 1126 snd_via82xx_codec_ready(chip, 0); 1127 return 0; 1128 } 1129 1130 1131 /* 1132 * pcm hardware definition, identical for both playback and capture 1133 */ 1134 static struct snd_pcm_hardware snd_via82xx_hw = 1135 { 1136 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1137 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1138 SNDRV_PCM_INFO_MMAP_VALID | 1139 /* SNDRV_PCM_INFO_RESUME | */ 1140 SNDRV_PCM_INFO_PAUSE), 1141 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1142 .rates = SNDRV_PCM_RATE_48000, 1143 .rate_min = 48000, 1144 .rate_max = 48000, 1145 .channels_min = 1, 1146 .channels_max = 2, 1147 .buffer_bytes_max = 128 * 1024, 1148 .period_bytes_min = 32, 1149 .period_bytes_max = 128 * 1024, 1150 .periods_min = 2, 1151 .periods_max = VIA_TABLE_SIZE / 2, 1152 .fifo_size = 0, 1153 }; 1154 1155 1156 /* 1157 * open callback skeleton 1158 */ 1159 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1160 struct snd_pcm_substream *substream) 1161 { 1162 struct snd_pcm_runtime *runtime = substream->runtime; 1163 int err; 1164 struct via_rate_lock *ratep; 1165 1166 runtime->hw = snd_via82xx_hw; 1167 1168 /* set the hw rate condition */ 1169 ratep = &chip->rates[viadev->direction]; 1170 spin_lock_irq(&ratep->lock); 1171 ratep->used++; 1172 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1173 /* DXS#3 and spdif is on */ 1174 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1175 snd_pcm_limit_hw_rates(runtime); 1176 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1177 /* fixed DXS playback rate */ 1178 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1179 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1180 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1181 /* use full SRC capabilities of DXS */ 1182 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1183 SNDRV_PCM_RATE_8000_48000); 1184 runtime->hw.rate_min = 8000; 1185 runtime->hw.rate_max = 48000; 1186 } else if (! ratep->rate) { 1187 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1188 runtime->hw.rates = chip->ac97->rates[idx]; 1189 snd_pcm_limit_hw_rates(runtime); 1190 } else { 1191 /* a fixed rate */ 1192 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1193 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1194 } 1195 spin_unlock_irq(&ratep->lock); 1196 1197 /* we may remove following constaint when we modify table entries 1198 in interrupt */ 1199 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1200 return err; 1201 1202 runtime->private_data = viadev; 1203 viadev->substream = substream; 1204 1205 return 0; 1206 } 1207 1208 1209 /* 1210 * open callback for playback on via686 and via823x DSX 1211 */ 1212 static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) 1213 { 1214 struct via82xx *chip = snd_pcm_substream_chip(substream); 1215 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1216 int err; 1217 1218 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1219 return err; 1220 return 0; 1221 } 1222 1223 /* 1224 * open callback for playback on via823x multi-channel 1225 */ 1226 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1227 { 1228 struct via82xx *chip = snd_pcm_substream_chip(substream); 1229 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1230 int err; 1231 /* channels constraint for VIA8233A 1232 * 3 and 5 channels are not supported 1233 */ 1234 static unsigned int channels[] = { 1235 1, 2, 4, 6 1236 }; 1237 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1238 .count = ARRAY_SIZE(channels), 1239 .list = channels, 1240 .mask = 0, 1241 }; 1242 1243 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1244 return err; 1245 substream->runtime->hw.channels_max = 6; 1246 if (chip->revision == VIA_REV_8233A) 1247 snd_pcm_hw_constraint_list(substream->runtime, 0, 1248 SNDRV_PCM_HW_PARAM_CHANNELS, 1249 &hw_constraints_channels); 1250 return 0; 1251 } 1252 1253 /* 1254 * open callback for capture on via686 and via823x 1255 */ 1256 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1257 { 1258 struct via82xx *chip = snd_pcm_substream_chip(substream); 1259 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1260 1261 return snd_via82xx_pcm_open(chip, viadev, substream); 1262 } 1263 1264 /* 1265 * close callback 1266 */ 1267 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1268 { 1269 struct via82xx *chip = snd_pcm_substream_chip(substream); 1270 struct viadev *viadev = substream->runtime->private_data; 1271 struct via_rate_lock *ratep; 1272 1273 /* release the rate lock */ 1274 ratep = &chip->rates[viadev->direction]; 1275 spin_lock_irq(&ratep->lock); 1276 ratep->used--; 1277 if (! ratep->used) 1278 ratep->rate = 0; 1279 spin_unlock_irq(&ratep->lock); 1280 if (! ratep->rate) { 1281 if (! viadev->direction) { 1282 snd_ac97_update_power(chip->ac97, 1283 AC97_PCM_FRONT_DAC_RATE, 0); 1284 snd_ac97_update_power(chip->ac97, 1285 AC97_PCM_SURR_DAC_RATE, 0); 1286 snd_ac97_update_power(chip->ac97, 1287 AC97_PCM_LFE_DAC_RATE, 0); 1288 } else 1289 snd_ac97_update_power(chip->ac97, 1290 AC97_PCM_LR_ADC_RATE, 0); 1291 } 1292 viadev->substream = NULL; 1293 return 0; 1294 } 1295 1296 1297 /* via686 playback callbacks */ 1298 static struct snd_pcm_ops snd_via686_playback_ops = { 1299 .open = snd_via82xx_playback_open, 1300 .close = snd_via82xx_pcm_close, 1301 .ioctl = snd_pcm_lib_ioctl, 1302 .hw_params = snd_via82xx_hw_params, 1303 .hw_free = snd_via82xx_hw_free, 1304 .prepare = snd_via686_playback_prepare, 1305 .trigger = snd_via82xx_pcm_trigger, 1306 .pointer = snd_via686_pcm_pointer, 1307 .page = snd_pcm_sgbuf_ops_page, 1308 }; 1309 1310 /* via686 capture callbacks */ 1311 static struct snd_pcm_ops snd_via686_capture_ops = { 1312 .open = snd_via82xx_capture_open, 1313 .close = snd_via82xx_pcm_close, 1314 .ioctl = snd_pcm_lib_ioctl, 1315 .hw_params = snd_via82xx_hw_params, 1316 .hw_free = snd_via82xx_hw_free, 1317 .prepare = snd_via686_capture_prepare, 1318 .trigger = snd_via82xx_pcm_trigger, 1319 .pointer = snd_via686_pcm_pointer, 1320 .page = snd_pcm_sgbuf_ops_page, 1321 }; 1322 1323 /* via823x DSX playback callbacks */ 1324 static struct snd_pcm_ops snd_via8233_playback_ops = { 1325 .open = snd_via82xx_playback_open, 1326 .close = snd_via82xx_pcm_close, 1327 .ioctl = snd_pcm_lib_ioctl, 1328 .hw_params = snd_via82xx_hw_params, 1329 .hw_free = snd_via82xx_hw_free, 1330 .prepare = snd_via8233_playback_prepare, 1331 .trigger = snd_via82xx_pcm_trigger, 1332 .pointer = snd_via8233_pcm_pointer, 1333 .page = snd_pcm_sgbuf_ops_page, 1334 }; 1335 1336 /* via823x multi-channel playback callbacks */ 1337 static struct snd_pcm_ops snd_via8233_multi_ops = { 1338 .open = snd_via8233_multi_open, 1339 .close = snd_via82xx_pcm_close, 1340 .ioctl = snd_pcm_lib_ioctl, 1341 .hw_params = snd_via82xx_hw_params, 1342 .hw_free = snd_via82xx_hw_free, 1343 .prepare = snd_via8233_multi_prepare, 1344 .trigger = snd_via82xx_pcm_trigger, 1345 .pointer = snd_via8233_pcm_pointer, 1346 .page = snd_pcm_sgbuf_ops_page, 1347 }; 1348 1349 /* via823x capture callbacks */ 1350 static struct snd_pcm_ops snd_via8233_capture_ops = { 1351 .open = snd_via82xx_capture_open, 1352 .close = snd_via82xx_pcm_close, 1353 .ioctl = snd_pcm_lib_ioctl, 1354 .hw_params = snd_via82xx_hw_params, 1355 .hw_free = snd_via82xx_hw_free, 1356 .prepare = snd_via8233_capture_prepare, 1357 .trigger = snd_via82xx_pcm_trigger, 1358 .pointer = snd_via8233_pcm_pointer, 1359 .page = snd_pcm_sgbuf_ops_page, 1360 }; 1361 1362 1363 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1364 int shadow_pos, int direction) 1365 { 1366 chip->devs[idx].reg_offset = reg_offset; 1367 chip->devs[idx].shadow_shift = shadow_pos * 4; 1368 chip->devs[idx].direction = direction; 1369 chip->devs[idx].port = chip->port + reg_offset; 1370 } 1371 1372 /* 1373 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1374 */ 1375 static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1376 { 1377 struct snd_pcm *pcm; 1378 int i, err; 1379 1380 chip->playback_devno = 0; /* x 4 */ 1381 chip->multi_devno = 4; /* x 1 */ 1382 chip->capture_devno = 5; /* x 2 */ 1383 chip->num_devs = 7; 1384 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1385 1386 /* PCM #0: 4 DSX playbacks and 1 capture */ 1387 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1388 if (err < 0) 1389 return err; 1390 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1391 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1392 pcm->private_data = chip; 1393 strcpy(pcm->name, chip->card->shortname); 1394 chip->pcms[0] = pcm; 1395 /* set up playbacks */ 1396 for (i = 0; i < 4; i++) 1397 init_viadev(chip, i, 0x10 * i, i, 0); 1398 /* capture */ 1399 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1400 1401 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1402 snd_dma_pci_data(chip->pci), 1403 64*1024, 128*1024)) < 0) 1404 return err; 1405 1406 /* PCM #1: multi-channel playback and 2nd capture */ 1407 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1408 if (err < 0) 1409 return err; 1410 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1411 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1412 pcm->private_data = chip; 1413 strcpy(pcm->name, chip->card->shortname); 1414 chip->pcms[1] = pcm; 1415 /* set up playback */ 1416 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1417 /* set up capture */ 1418 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1419 1420 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1421 snd_dma_pci_data(chip->pci), 1422 64*1024, 128*1024)) < 0) 1423 return err; 1424 1425 return 0; 1426 } 1427 1428 /* 1429 * create pcm instances for VIA8233A 1430 */ 1431 static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1432 { 1433 struct snd_pcm *pcm; 1434 int err; 1435 1436 chip->multi_devno = 0; 1437 chip->playback_devno = 1; 1438 chip->capture_devno = 2; 1439 chip->num_devs = 3; 1440 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1441 1442 /* PCM #0: multi-channel playback and capture */ 1443 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1444 if (err < 0) 1445 return err; 1446 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1447 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1448 pcm->private_data = chip; 1449 strcpy(pcm->name, chip->card->shortname); 1450 chip->pcms[0] = pcm; 1451 /* set up playback */ 1452 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1453 /* capture */ 1454 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1455 1456 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1457 snd_dma_pci_data(chip->pci), 1458 64*1024, 128*1024)) < 0) 1459 return err; 1460 1461 /* SPDIF supported? */ 1462 if (! ac97_can_spdif(chip->ac97)) 1463 return 0; 1464 1465 /* PCM #1: DXS3 playback (for spdif) */ 1466 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1467 if (err < 0) 1468 return err; 1469 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1470 pcm->private_data = chip; 1471 strcpy(pcm->name, chip->card->shortname); 1472 chip->pcms[1] = pcm; 1473 /* set up playback */ 1474 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1475 1476 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1477 snd_dma_pci_data(chip->pci), 1478 64*1024, 128*1024)) < 0) 1479 return err; 1480 1481 return 0; 1482 } 1483 1484 /* 1485 * create a pcm instance for via686a/b 1486 */ 1487 static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1488 { 1489 struct snd_pcm *pcm; 1490 int err; 1491 1492 chip->playback_devno = 0; 1493 chip->capture_devno = 1; 1494 chip->num_devs = 2; 1495 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1496 1497 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1498 if (err < 0) 1499 return err; 1500 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1501 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1502 pcm->private_data = chip; 1503 strcpy(pcm->name, chip->card->shortname); 1504 chip->pcms[0] = pcm; 1505 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1506 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1507 1508 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1509 snd_dma_pci_data(chip->pci), 1510 64*1024, 128*1024)) < 0) 1511 return err; 1512 1513 return 0; 1514 } 1515 1516 1517 /* 1518 * Mixer part 1519 */ 1520 1521 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1522 struct snd_ctl_elem_info *uinfo) 1523 { 1524 /* formerly they were "Line" and "Mic", but it looks like that they 1525 * have nothing to do with the actual physical connections... 1526 */ 1527 static char *texts[2] = { 1528 "Input1", "Input2" 1529 }; 1530 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1531 uinfo->count = 1; 1532 uinfo->value.enumerated.items = 2; 1533 if (uinfo->value.enumerated.item >= 2) 1534 uinfo->value.enumerated.item = 1; 1535 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1536 return 0; 1537 } 1538 1539 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1540 struct snd_ctl_elem_value *ucontrol) 1541 { 1542 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1543 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1544 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1545 return 0; 1546 } 1547 1548 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1549 struct snd_ctl_elem_value *ucontrol) 1550 { 1551 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1552 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1553 u8 val, oval; 1554 1555 spin_lock_irq(&chip->reg_lock); 1556 oval = inb(port); 1557 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1558 if (ucontrol->value.enumerated.item[0]) 1559 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1560 if (val != oval) 1561 outb(val, port); 1562 spin_unlock_irq(&chip->reg_lock); 1563 return val != oval; 1564 } 1565 1566 static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1567 .name = "Input Source Select", 1568 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1569 .info = snd_via8233_capture_source_info, 1570 .get = snd_via8233_capture_source_get, 1571 .put = snd_via8233_capture_source_put, 1572 }; 1573 1574 static int snd_via8233_dxs3_spdif_info(struct snd_kcontrol *kcontrol, 1575 struct snd_ctl_elem_info *uinfo) 1576 { 1577 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1578 uinfo->count = 1; 1579 uinfo->value.integer.min = 0; 1580 uinfo->value.integer.max = 1; 1581 return 0; 1582 } 1583 1584 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1585 struct snd_ctl_elem_value *ucontrol) 1586 { 1587 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1588 u8 val; 1589 1590 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1591 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1592 return 0; 1593 } 1594 1595 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1596 struct snd_ctl_elem_value *ucontrol) 1597 { 1598 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1599 u8 val, oval; 1600 1601 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1602 val = oval & ~VIA8233_SPDIF_DX3; 1603 if (ucontrol->value.integer.value[0]) 1604 val |= VIA8233_SPDIF_DX3; 1605 /* save the spdif flag for rate filtering */ 1606 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1607 if (val != oval) { 1608 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1609 return 1; 1610 } 1611 return 0; 1612 } 1613 1614 static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1615 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1616 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1617 .info = snd_via8233_dxs3_spdif_info, 1618 .get = snd_via8233_dxs3_spdif_get, 1619 .put = snd_via8233_dxs3_spdif_put, 1620 }; 1621 1622 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1623 struct snd_ctl_elem_info *uinfo) 1624 { 1625 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1626 uinfo->count = 2; 1627 uinfo->value.integer.min = 0; 1628 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1629 return 0; 1630 } 1631 1632 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1633 struct snd_ctl_elem_value *ucontrol) 1634 { 1635 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1636 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1637 1638 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1639 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1640 return 0; 1641 } 1642 1643 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1644 struct snd_ctl_elem_value *ucontrol) 1645 { 1646 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1647 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1648 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1649 return 0; 1650 } 1651 1652 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1653 struct snd_ctl_elem_value *ucontrol) 1654 { 1655 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1656 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1657 unsigned long port = chip->port + 0x10 * idx; 1658 unsigned char val; 1659 int i, change = 0; 1660 1661 for (i = 0; i < 2; i++) { 1662 val = ucontrol->value.integer.value[i]; 1663 if (val > VIA_DXS_MAX_VOLUME) 1664 val = VIA_DXS_MAX_VOLUME; 1665 val = VIA_DXS_MAX_VOLUME - val; 1666 change |= val != chip->playback_volume[idx][i]; 1667 if (change) { 1668 chip->playback_volume[idx][i] = val; 1669 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1670 } 1671 } 1672 return change; 1673 } 1674 1675 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1676 struct snd_ctl_elem_value *ucontrol) 1677 { 1678 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1679 unsigned int idx; 1680 unsigned char val; 1681 int i, change = 0; 1682 1683 for (i = 0; i < 2; i++) { 1684 val = ucontrol->value.integer.value[i]; 1685 if (val > VIA_DXS_MAX_VOLUME) 1686 val = VIA_DXS_MAX_VOLUME; 1687 val = VIA_DXS_MAX_VOLUME - val; 1688 if (val != chip->playback_volume_c[i]) { 1689 change = 1; 1690 chip->playback_volume_c[i] = val; 1691 for (idx = 0; idx < 4; idx++) { 1692 unsigned long port = chip->port + 0x10 * idx; 1693 chip->playback_volume[idx][i] = val; 1694 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1695 } 1696 } 1697 } 1698 return change; 1699 } 1700 1701 static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1702 .name = "PCM Playback Volume", 1703 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1704 .info = snd_via8233_dxs_volume_info, 1705 .get = snd_via8233_pcmdxs_volume_get, 1706 .put = snd_via8233_pcmdxs_volume_put, 1707 }; 1708 1709 static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1710 .name = "VIA DXS Playback Volume", 1711 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1712 .count = 4, 1713 .info = snd_via8233_dxs_volume_info, 1714 .get = snd_via8233_dxs_volume_get, 1715 .put = snd_via8233_dxs_volume_put, 1716 }; 1717 1718 /* 1719 */ 1720 1721 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1722 { 1723 struct via82xx *chip = bus->private_data; 1724 chip->ac97_bus = NULL; 1725 } 1726 1727 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1728 { 1729 struct via82xx *chip = ac97->private_data; 1730 chip->ac97 = NULL; 1731 } 1732 1733 static struct ac97_quirk ac97_quirks[] = { 1734 { 1735 .subvendor = 0x1106, 1736 .subdevice = 0x4161, 1737 .codec_id = 0x56494161, /* VT1612A */ 1738 .name = "Soltek SL-75DRV5", 1739 .type = AC97_TUNE_NONE 1740 }, 1741 { /* FIXME: which codec? */ 1742 .subvendor = 0x1106, 1743 .subdevice = 0x4161, 1744 .name = "ASRock K7VT2", 1745 .type = AC97_TUNE_HP_ONLY 1746 }, 1747 { 1748 .subvendor = 0x1019, 1749 .subdevice = 0x0a81, 1750 .name = "ECS K7VTA3", 1751 .type = AC97_TUNE_HP_ONLY 1752 }, 1753 { 1754 .subvendor = 0x1019, 1755 .subdevice = 0x0a85, 1756 .name = "ECS L7VMM2", 1757 .type = AC97_TUNE_HP_ONLY 1758 }, 1759 { 1760 .subvendor = 0x1849, 1761 .subdevice = 0x3059, 1762 .name = "ASRock K7VM2", 1763 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1764 }, 1765 { 1766 .subvendor = 0x14cd, 1767 .subdevice = 0x7002, 1768 .name = "Unknown", 1769 .type = AC97_TUNE_ALC_JACK 1770 }, 1771 { 1772 .subvendor = 0x1071, 1773 .subdevice = 0x8590, 1774 .name = "Mitac Mobo", 1775 .type = AC97_TUNE_ALC_JACK 1776 }, 1777 { 1778 .subvendor = 0x161f, 1779 .subdevice = 0x202b, 1780 .name = "Arima Notebook", 1781 .type = AC97_TUNE_HP_ONLY, 1782 }, 1783 { 1784 .subvendor = 0x161f, 1785 .subdevice = 0x2032, 1786 .name = "Targa Traveller 811", 1787 .type = AC97_TUNE_HP_ONLY, 1788 }, 1789 { 1790 .subvendor = 0x161f, 1791 .subdevice = 0x2032, 1792 .name = "m680x", 1793 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1794 }, 1795 { } /* terminator */ 1796 }; 1797 1798 static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1799 { 1800 struct snd_ac97_template ac97; 1801 int err; 1802 static struct snd_ac97_bus_ops ops = { 1803 .write = snd_via82xx_codec_write, 1804 .read = snd_via82xx_codec_read, 1805 .wait = snd_via82xx_codec_wait, 1806 }; 1807 1808 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1809 return err; 1810 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1811 chip->ac97_bus->clock = chip->ac97_clock; 1812 1813 memset(&ac97, 0, sizeof(ac97)); 1814 ac97.private_data = chip; 1815 ac97.private_free = snd_via82xx_mixer_free_ac97; 1816 ac97.pci = chip->pci; 1817 ac97.scaps = AC97_SCAP_SKIP_MODEM; 1818 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1819 return err; 1820 1821 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1822 1823 if (chip->chip_type != TYPE_VIA686) { 1824 /* use slot 10/11 */ 1825 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1826 } 1827 1828 return 0; 1829 } 1830 1831 #ifdef SUPPORT_JOYSTICK 1832 #define JOYSTICK_ADDR 0x200 1833 static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1834 { 1835 struct gameport *gp; 1836 struct resource *r; 1837 1838 if (!joystick) 1839 return -ENODEV; 1840 1841 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1842 if (!r) { 1843 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1844 JOYSTICK_ADDR); 1845 return -EBUSY; 1846 } 1847 1848 chip->gameport = gp = gameport_allocate_port(); 1849 if (!gp) { 1850 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1851 release_and_free_resource(r); 1852 return -ENOMEM; 1853 } 1854 1855 gameport_set_name(gp, "VIA686 Gameport"); 1856 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1857 gameport_set_dev_parent(gp, &chip->pci->dev); 1858 gp->io = JOYSTICK_ADDR; 1859 gameport_set_port_data(gp, r); 1860 1861 /* Enable legacy joystick port */ 1862 *legacy |= VIA_FUNC_ENABLE_GAME; 1863 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1864 1865 gameport_register_port(chip->gameport); 1866 1867 return 0; 1868 } 1869 1870 static void snd_via686_free_gameport(struct via82xx *chip) 1871 { 1872 if (chip->gameport) { 1873 struct resource *r = gameport_get_port_data(chip->gameport); 1874 1875 gameport_unregister_port(chip->gameport); 1876 chip->gameport = NULL; 1877 release_and_free_resource(r); 1878 } 1879 } 1880 #else 1881 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1882 { 1883 return -ENOSYS; 1884 } 1885 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1886 #endif 1887 1888 1889 /* 1890 * 1891 */ 1892 1893 static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1894 { 1895 int i, err, caps; 1896 unsigned char val; 1897 1898 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1899 for (i = 0; i < caps; i++) { 1900 snd_via8233_capture_source.index = i; 1901 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1902 if (err < 0) 1903 return err; 1904 } 1905 if (ac97_can_spdif(chip->ac97)) { 1906 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1907 if (err < 0) 1908 return err; 1909 } 1910 if (chip->chip_type != TYPE_VIA8233A) { 1911 /* when no h/w PCM volume control is found, use DXS volume control 1912 * as the PCM vol control 1913 */ 1914 struct snd_ctl_elem_id sid; 1915 memset(&sid, 0, sizeof(sid)); 1916 strcpy(sid.name, "PCM Playback Volume"); 1917 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1918 if (! snd_ctl_find_id(chip->card, &sid)) { 1919 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1920 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1921 if (err < 0) 1922 return err; 1923 } 1924 else /* Using DXS when PCM emulation is enabled is really weird */ 1925 { 1926 /* Standalone DXS controls */ 1927 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1928 if (err < 0) 1929 return err; 1930 } 1931 } 1932 /* select spdif data slot 10/11 */ 1933 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1934 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1935 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1936 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1937 1938 return 0; 1939 } 1940 1941 static int __devinit snd_via686_init_misc(struct via82xx *chip) 1942 { 1943 unsigned char legacy, legacy_cfg; 1944 int rev_h = 0; 1945 1946 legacy = chip->old_legacy; 1947 legacy_cfg = chip->old_legacy_cfg; 1948 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1949 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1950 if (chip->revision >= VIA_REV_686_H) { 1951 rev_h = 1; 1952 if (mpu_port >= 0x200) { /* force MIDI */ 1953 mpu_port &= 0xfffc; 1954 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 1955 #ifdef CONFIG_PM 1956 chip->mpu_port_saved = mpu_port; 1957 #endif 1958 } else { 1959 mpu_port = pci_resource_start(chip->pci, 2); 1960 } 1961 } else { 1962 switch (mpu_port) { /* force MIDI */ 1963 case 0x300: 1964 case 0x310: 1965 case 0x320: 1966 case 0x330: 1967 legacy_cfg &= ~(3 << 2); 1968 legacy_cfg |= (mpu_port & 0x0030) >> 2; 1969 break; 1970 default: /* no, use BIOS settings */ 1971 if (legacy & VIA_FUNC_ENABLE_MIDI) 1972 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 1973 break; 1974 } 1975 } 1976 if (mpu_port >= 0x200 && 1977 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 1978 != NULL) { 1979 if (rev_h) 1980 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1981 legacy |= VIA_FUNC_ENABLE_MIDI; 1982 } else { 1983 if (rev_h) 1984 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1985 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1986 mpu_port = 0; 1987 } 1988 1989 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1990 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1991 if (chip->mpu_res) { 1992 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1993 mpu_port, MPU401_INFO_INTEGRATED, 1994 chip->irq, 0, &chip->rmidi) < 0) { 1995 printk(KERN_WARNING "unable to initialize MPU-401" 1996 " at 0x%lx, skipping\n", mpu_port); 1997 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1998 } else { 1999 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2000 } 2001 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2002 } 2003 2004 snd_via686_create_gameport(chip, &legacy); 2005 2006 #ifdef CONFIG_PM 2007 chip->legacy_saved = legacy; 2008 chip->legacy_cfg_saved = legacy_cfg; 2009 #endif 2010 2011 return 0; 2012 } 2013 2014 2015 /* 2016 * proc interface 2017 */ 2018 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2019 struct snd_info_buffer *buffer) 2020 { 2021 struct via82xx *chip = entry->private_data; 2022 int i; 2023 2024 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2025 for (i = 0; i < 0xa0; i += 4) { 2026 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2027 } 2028 } 2029 2030 static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2031 { 2032 struct snd_info_entry *entry; 2033 2034 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2035 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2036 } 2037 2038 /* 2039 * 2040 */ 2041 2042 static int snd_via82xx_chip_init(struct via82xx *chip) 2043 { 2044 unsigned int val; 2045 unsigned long end_time; 2046 unsigned char pval; 2047 2048 #if 0 /* broken on K7M? */ 2049 if (chip->chip_type == TYPE_VIA686) 2050 /* disable all legacy ports */ 2051 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2052 #endif 2053 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2054 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2055 /* deassert ACLink reset, force SYNC */ 2056 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2057 VIA_ACLINK_CTRL_ENABLE | 2058 VIA_ACLINK_CTRL_RESET | 2059 VIA_ACLINK_CTRL_SYNC); 2060 udelay(100); 2061 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2062 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2063 udelay(100); 2064 #else 2065 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2066 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2067 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2068 udelay(2); 2069 #endif 2070 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2071 /* note - FM data out has trouble with non VRA codecs !! */ 2072 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2073 udelay(100); 2074 } 2075 2076 /* Make sure VRA is enabled, in case we didn't do a 2077 * complete codec reset, above */ 2078 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2079 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2080 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2081 /* note - FM data out has trouble with non VRA codecs !! */ 2082 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2083 udelay(100); 2084 } 2085 2086 /* wait until codec ready */ 2087 end_time = jiffies + msecs_to_jiffies(750); 2088 do { 2089 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2090 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2091 break; 2092 schedule_timeout_uninterruptible(1); 2093 } while (time_before(jiffies, end_time)); 2094 2095 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2096 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2097 2098 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2099 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2100 VIA_REG_AC97_SECONDARY_VALID | 2101 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2102 end_time = jiffies + msecs_to_jiffies(750); 2103 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2104 VIA_REG_AC97_SECONDARY_VALID | 2105 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2106 do { 2107 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2108 chip->ac97_secondary = 1; 2109 goto __ac97_ok2; 2110 } 2111 schedule_timeout_interruptible(1); 2112 } while (time_before(jiffies, end_time)); 2113 /* This is ok, the most of motherboards have only one codec */ 2114 2115 __ac97_ok2: 2116 #endif 2117 2118 if (chip->chip_type == TYPE_VIA686) { 2119 /* route FM trap to IRQ, disable FM trap */ 2120 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2121 /* disable all GPI interrupts */ 2122 outl(0, VIAREG(chip, GPI_INTR)); 2123 } 2124 2125 if (chip->chip_type != TYPE_VIA686) { 2126 /* Workaround for Award BIOS bug: 2127 * DXS channels don't work properly with VRA if MC97 is disabled. 2128 */ 2129 struct pci_dev *pci; 2130 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2131 if (pci) { 2132 unsigned char data; 2133 pci_read_config_byte(pci, 0x44, &data); 2134 pci_write_config_byte(pci, 0x44, data | 0x40); 2135 pci_dev_put(pci); 2136 } 2137 } 2138 2139 if (chip->chip_type != TYPE_VIA8233A) { 2140 int i, idx; 2141 for (idx = 0; idx < 4; idx++) { 2142 unsigned long port = chip->port + 0x10 * idx; 2143 for (i = 0; i < 2; i++) { 2144 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2145 outb(chip->playback_volume_c[i], 2146 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2147 } 2148 } 2149 } 2150 2151 return 0; 2152 } 2153 2154 #ifdef CONFIG_PM 2155 /* 2156 * power management 2157 */ 2158 static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2159 { 2160 struct snd_card *card = pci_get_drvdata(pci); 2161 struct via82xx *chip = card->private_data; 2162 int i; 2163 2164 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2165 for (i = 0; i < 2; i++) 2166 snd_pcm_suspend_all(chip->pcms[i]); 2167 for (i = 0; i < chip->num_devs; i++) 2168 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2169 synchronize_irq(chip->irq); 2170 snd_ac97_suspend(chip->ac97); 2171 2172 /* save misc values */ 2173 if (chip->chip_type != TYPE_VIA686) { 2174 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2175 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2176 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2177 } 2178 2179 pci_set_power_state(pci, PCI_D3hot); 2180 pci_disable_device(pci); 2181 pci_save_state(pci); 2182 return 0; 2183 } 2184 2185 static int snd_via82xx_resume(struct pci_dev *pci) 2186 { 2187 struct snd_card *card = pci_get_drvdata(pci); 2188 struct via82xx *chip = card->private_data; 2189 int i; 2190 2191 pci_restore_state(pci); 2192 pci_enable_device(pci); 2193 pci_set_power_state(pci, PCI_D0); 2194 2195 snd_via82xx_chip_init(chip); 2196 2197 if (chip->chip_type == TYPE_VIA686) { 2198 if (chip->mpu_port_saved) 2199 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2200 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2201 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2202 } else { 2203 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2204 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2205 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2206 } 2207 2208 snd_ac97_resume(chip->ac97); 2209 2210 for (i = 0; i < chip->num_devs; i++) 2211 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2212 2213 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2214 return 0; 2215 } 2216 #endif /* CONFIG_PM */ 2217 2218 static int snd_via82xx_free(struct via82xx *chip) 2219 { 2220 unsigned int i; 2221 2222 if (chip->irq < 0) 2223 goto __end_hw; 2224 /* disable interrupts */ 2225 for (i = 0; i < chip->num_devs; i++) 2226 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2227 synchronize_irq(chip->irq); 2228 __end_hw: 2229 if (chip->irq >= 0) 2230 free_irq(chip->irq, chip); 2231 release_and_free_resource(chip->mpu_res); 2232 pci_release_regions(chip->pci); 2233 2234 if (chip->chip_type == TYPE_VIA686) { 2235 snd_via686_free_gameport(chip); 2236 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2237 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2238 } 2239 pci_disable_device(chip->pci); 2240 kfree(chip); 2241 return 0; 2242 } 2243 2244 static int snd_via82xx_dev_free(struct snd_device *device) 2245 { 2246 struct via82xx *chip = device->device_data; 2247 return snd_via82xx_free(chip); 2248 } 2249 2250 static int __devinit snd_via82xx_create(struct snd_card *card, 2251 struct pci_dev *pci, 2252 int chip_type, 2253 int revision, 2254 unsigned int ac97_clock, 2255 struct via82xx ** r_via) 2256 { 2257 struct via82xx *chip; 2258 int err; 2259 static struct snd_device_ops ops = { 2260 .dev_free = snd_via82xx_dev_free, 2261 }; 2262 2263 if ((err = pci_enable_device(pci)) < 0) 2264 return err; 2265 2266 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2267 pci_disable_device(pci); 2268 return -ENOMEM; 2269 } 2270 2271 chip->chip_type = chip_type; 2272 chip->revision = revision; 2273 2274 spin_lock_init(&chip->reg_lock); 2275 spin_lock_init(&chip->rates[0].lock); 2276 spin_lock_init(&chip->rates[1].lock); 2277 chip->card = card; 2278 chip->pci = pci; 2279 chip->irq = -1; 2280 2281 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2282 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2283 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2284 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2285 2286 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2287 kfree(chip); 2288 pci_disable_device(pci); 2289 return err; 2290 } 2291 chip->port = pci_resource_start(pci, 0); 2292 if (request_irq(pci->irq, 2293 chip_type == TYPE_VIA8233 ? 2294 snd_via8233_interrupt : snd_via686_interrupt, 2295 IRQF_DISABLED|IRQF_SHARED, 2296 card->driver, chip)) { 2297 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2298 snd_via82xx_free(chip); 2299 return -EBUSY; 2300 } 2301 chip->irq = pci->irq; 2302 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2303 chip->ac97_clock = ac97_clock; 2304 synchronize_irq(chip->irq); 2305 2306 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2307 snd_via82xx_free(chip); 2308 return err; 2309 } 2310 2311 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2312 snd_via82xx_free(chip); 2313 return err; 2314 } 2315 2316 /* The 8233 ac97 controller does not implement the master bit 2317 * in the pci command register. IMHO this is a violation of the PCI spec. 2318 * We call pci_set_master here because it does not hurt. */ 2319 pci_set_master(pci); 2320 2321 snd_card_set_dev(card, &pci->dev); 2322 2323 *r_via = chip; 2324 return 0; 2325 } 2326 2327 struct via823x_info { 2328 int revision; 2329 char *name; 2330 int type; 2331 }; 2332 static struct via823x_info via823x_cards[] __devinitdata = { 2333 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2334 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2335 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2336 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2337 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2338 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2339 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2340 }; 2341 2342 /* 2343 * auto detection of DXS channel supports. 2344 */ 2345 struct dxs_whitelist { 2346 unsigned short subvendor; 2347 unsigned short subdevice; 2348 unsigned short mask; 2349 short action; /* new dxs_support value */ 2350 }; 2351 2352 static int __devinit check_dxs_list(struct pci_dev *pci, int revision) 2353 { 2354 static struct dxs_whitelist whitelist[] = { 2355 { .subvendor = 0x1005, .subdevice = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2356 { .subvendor = 0x1019, .subdevice = 0x0996, .action = VIA_DXS_48K }, 2357 { .subvendor = 0x1019, .subdevice = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2358 { .subvendor = 0x1019, .subdevice = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 2359 { .subvendor = 0x1019, .subdevice = 0xa101, .action = VIA_DXS_SRC }, 2360 { .subvendor = 0x1019, .subdevice = 0xaa01, .action = VIA_DXS_SRC }, /* ECS K8T890-A */ 2361 { .subvendor = 0x1025, .subdevice = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */ 2362 { .subvendor = 0x1025, .subdevice = 0x0046, .action = VIA_DXS_SRC }, /* Acer Aspire 1524 WLMi */ 2363 { .subvendor = 0x1043, .subdevice = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/ 2364 { .subvendor = 0x1043, .subdevice = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ 2365 { .subvendor = 0x1043, .subdevice = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ 2366 { .subvendor = 0x1043, .subdevice = 0x810d, .action = VIA_DXS_SRC }, /* ASUS */ 2367 { .subvendor = 0x1043, .subdevice = 0x812a, .action = VIA_DXS_SRC }, /* ASUS A8V Deluxe */ 2368 { .subvendor = 0x1043, .subdevice = 0x8174, .action = VIA_DXS_SRC }, /* ASUS */ 2369 { .subvendor = 0x1043, .subdevice = 0x81b9, .action = VIA_DXS_SRC }, /* ASUS A8V-MX */ 2370 { .subvendor = 0x1071, .subdevice = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2371 { .subvendor = 0x1071, .subdevice = 0x8399, .action = VIA_DXS_NO_VRA }, /* Umax AB 595T (VIA K8N800A - VT8237) */ 2372 { .subvendor = 0x10cf, .subdevice = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2373 { .subvendor = 0x1106, .subdevice = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2374 { .subvendor = 0x1106, .subdevice = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2375 { .subvendor = 0x1106, .subdevice = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2376 { .subvendor = 0x1106, .subdevice = 0xc001, .action = VIA_DXS_SRC }, /* Insight P4-ITX */ 2377 { .subvendor = 0x1297, .subdevice = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2378 { .subvendor = 0x1297, .subdevice = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2379 { .subvendor = 0x1458, .subdevice = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2380 { .subvendor = 0x1462, .subdevice = 0x0080, .action = VIA_DXS_SRC }, /* MSI K8T Neo-FIS2R */ 2381 { .subvendor = 0x1462, .subdevice = 0x0430, .action = VIA_DXS_SRC }, /* MSI 7142 (K8MM-V) */ 2382 { .subvendor = 0x1462, .subdevice = 0x0470, .action = VIA_DXS_SRC }, /* MSI KT880 Delta-FSR */ 2383 { .subvendor = 0x1462, .subdevice = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2384 { .subvendor = 0x1462, .subdevice = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2385 { .subvendor = 0x1462, .subdevice = 0x7023, .action = VIA_DXS_SRC }, /* MSI K8T Neo2-FI */ 2386 { .subvendor = 0x1462, .subdevice = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2387 { .subvendor = 0x1462, .subdevice = 0x7142, .action = VIA_DXS_ENABLE }, /* MSI K8MM-V */ 2388 { .subvendor = 0x1462, .subdevice = 0xb012, .action = VIA_DXS_SRC }, /* P4M800/VIA8237R */ 2389 { .subvendor = 0x147b, .subdevice = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2390 { .subvendor = 0x147b, .subdevice = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2391 { .subvendor = 0x147b, .subdevice = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2392 { .subvendor = 0x147b, .subdevice = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2393 { .subvendor = 0x14ff, .subdevice = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2394 { .subvendor = 0x14ff, .subdevice = 0x0408, .action = VIA_DXS_SRC }, /* Twinhead laptop */ 2395 { .subvendor = 0x1558, .subdevice = 0x4701, .action = VIA_DXS_SRC }, /* Clevo D470 */ 2396 { .subvendor = 0x1584, .subdevice = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2397 { .subvendor = 0x1584, .subdevice = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2398 { .subvendor = 0x161f, .subdevice = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2399 { .subvendor = 0x161f, .subdevice = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2400 { .subvendor = 0x1631, .subdevice = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2401 { .subvendor = 0x1695, .subdevice = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2402 { .subvendor = 0x1695, .subdevice = 0x300c, .action = VIA_DXS_SRC }, /* EPoX EP-8KRAI */ 2403 { .subvendor = 0x1695, .subdevice = 0x300e, .action = VIA_DXS_SRC }, /* EPoX 9HEAI */ 2404 { .subvendor = 0x16f3, .subdevice = 0x6405, .action = VIA_DXS_SRC }, /* Jetway K8M8MS */ 2405 { .subvendor = 0x1734, .subdevice = 0x1078, .action = VIA_DXS_SRC }, /* FSC Amilo L7300 */ 2406 { .subvendor = 0x1734, .subdevice = 0x1093, .action = VIA_DXS_SRC }, /* FSC */ 2407 { .subvendor = 0x1734, .subdevice = 0x10ab, .action = VIA_DXS_SRC }, /* FSC */ 2408 { .subvendor = 0x1849, .subdevice = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2409 { .subvendor = 0x1849, .subdevice = 0x9739, .action = VIA_DXS_SRC }, /* ASRock mobo(?) */ 2410 { .subvendor = 0x1849, .subdevice = 0x9761, .action = VIA_DXS_SRC }, /* ASRock mobo(?) */ 2411 { .subvendor = 0x1919, .subdevice = 0x200a, .action = VIA_DXS_NO_VRA }, /* Soltek SL-K8Tpro-939 */ 2412 { .subvendor = 0x4005, .subdevice = 0x4710, .action = VIA_DXS_SRC }, /* MSI K7T266 Pro2 (MS-6380 V2.0) BIOS 3.7 */ 2413 { } /* terminator */ 2414 }; 2415 struct dxs_whitelist *w; 2416 unsigned short subsystem_vendor; 2417 unsigned short subsystem_device; 2418 2419 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2420 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2421 2422 for (w = whitelist; w->subvendor; w++) { 2423 if (w->subvendor != subsystem_vendor) 2424 continue; 2425 if (w->mask) { 2426 if ((w->mask & subsystem_device) == w->subdevice) 2427 return w->action; 2428 } else { 2429 if (subsystem_device == w->subdevice) 2430 return w->action; 2431 } 2432 } 2433 2434 /* for newer revision, default to DXS_SRC */ 2435 if (revision >= VIA_REV_8235) 2436 return VIA_DXS_SRC; 2437 2438 /* 2439 * not detected, try 48k rate only to be sure. 2440 */ 2441 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2442 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2443 printk(KERN_INFO " and report if it works on your machine.\n"); 2444 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2445 return VIA_DXS_48K; 2446 }; 2447 2448 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2449 const struct pci_device_id *pci_id) 2450 { 2451 struct snd_card *card; 2452 struct via82xx *chip; 2453 unsigned char revision; 2454 int chip_type = 0, card_type; 2455 unsigned int i; 2456 int err; 2457 2458 card = snd_card_new(index, id, THIS_MODULE, 0); 2459 if (card == NULL) 2460 return -ENOMEM; 2461 2462 card_type = pci_id->driver_data; 2463 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2464 switch (card_type) { 2465 case TYPE_CARD_VIA686: 2466 strcpy(card->driver, "VIA686A"); 2467 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2468 chip_type = TYPE_VIA686; 2469 break; 2470 case TYPE_CARD_VIA8233: 2471 chip_type = TYPE_VIA8233; 2472 sprintf(card->shortname, "VIA 823x rev%x", revision); 2473 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2474 if (revision == via823x_cards[i].revision) { 2475 chip_type = via823x_cards[i].type; 2476 strcpy(card->shortname, via823x_cards[i].name); 2477 break; 2478 } 2479 } 2480 if (chip_type != TYPE_VIA8233A) { 2481 if (dxs_support == VIA_DXS_AUTO) 2482 dxs_support = check_dxs_list(pci, revision); 2483 /* force to use VIA8233 or 8233A model according to 2484 * dxs_support module option 2485 */ 2486 if (dxs_support == VIA_DXS_DISABLE) 2487 chip_type = TYPE_VIA8233A; 2488 else 2489 chip_type = TYPE_VIA8233; 2490 } 2491 if (chip_type == TYPE_VIA8233A) 2492 strcpy(card->driver, "VIA8233A"); 2493 else if (revision >= VIA_REV_8237) 2494 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2495 else 2496 strcpy(card->driver, "VIA8233"); 2497 break; 2498 default: 2499 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2500 err = -EINVAL; 2501 goto __error; 2502 } 2503 2504 if ((err = snd_via82xx_create(card, pci, chip_type, revision, 2505 ac97_clock, &chip)) < 0) 2506 goto __error; 2507 card->private_data = chip; 2508 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2509 goto __error; 2510 2511 if (chip_type == TYPE_VIA686) { 2512 if ((err = snd_via686_pcm_new(chip)) < 0 || 2513 (err = snd_via686_init_misc(chip)) < 0) 2514 goto __error; 2515 } else { 2516 if (chip_type == TYPE_VIA8233A) { 2517 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2518 goto __error; 2519 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2520 } else { 2521 if ((err = snd_via8233_pcm_new(chip)) < 0) 2522 goto __error; 2523 if (dxs_support == VIA_DXS_48K) 2524 chip->dxs_fixed = 1; 2525 else if (dxs_support == VIA_DXS_NO_VRA) 2526 chip->no_vra = 1; 2527 else if (dxs_support == VIA_DXS_SRC) { 2528 chip->no_vra = 1; 2529 chip->dxs_src = 1; 2530 } 2531 } 2532 if ((err = snd_via8233_init_misc(chip)) < 0) 2533 goto __error; 2534 } 2535 2536 /* disable interrupts */ 2537 for (i = 0; i < chip->num_devs; i++) 2538 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2539 2540 snprintf(card->longname, sizeof(card->longname), 2541 "%s with %s at %#lx, irq %d", card->shortname, 2542 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2543 2544 snd_via82xx_proc_init(chip); 2545 2546 if ((err = snd_card_register(card)) < 0) { 2547 snd_card_free(card); 2548 return err; 2549 } 2550 pci_set_drvdata(pci, card); 2551 return 0; 2552 2553 __error: 2554 snd_card_free(card); 2555 return err; 2556 } 2557 2558 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2559 { 2560 snd_card_free(pci_get_drvdata(pci)); 2561 pci_set_drvdata(pci, NULL); 2562 } 2563 2564 static struct pci_driver driver = { 2565 .name = "VIA 82xx Audio", 2566 .id_table = snd_via82xx_ids, 2567 .probe = snd_via82xx_probe, 2568 .remove = __devexit_p(snd_via82xx_remove), 2569 #ifdef CONFIG_PM 2570 .suspend = snd_via82xx_suspend, 2571 .resume = snd_via82xx_resume, 2572 #endif 2573 }; 2574 2575 static int __init alsa_card_via82xx_init(void) 2576 { 2577 return pci_register_driver(&driver); 2578 } 2579 2580 static void __exit alsa_card_via82xx_exit(void) 2581 { 2582 pci_unregister_driver(&driver); 2583 } 2584 2585 module_init(alsa_card_via82xx_init) 2586 module_exit(alsa_card_via82xx_exit) 2587