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@perex.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 <asm/io.h> 50 #include <linux/delay.h> 51 #include <linux/interrupt.h> 52 #include <linux/init.h> 53 #include <linux/pci.h> 54 #include <linux/slab.h> 55 #include <linux/gameport.h> 56 #include <linux/moduleparam.h> 57 #include <sound/core.h> 58 #include <sound/pcm.h> 59 #include <sound/pcm_params.h> 60 #include <sound/info.h> 61 #include <sound/tlv.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@perex.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 static int nodelay; 89 90 module_param(index, int, 0444); 91 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 92 module_param(id, charp, 0444); 93 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 94 module_param(mpu_port, long, 0444); 95 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 96 #ifdef SUPPORT_JOYSTICK 97 module_param(joystick, bool, 0444); 98 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 99 #endif 100 module_param(ac97_clock, int, 0444); 101 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 102 module_param(ac97_quirk, charp, 0444); 103 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 104 module_param(dxs_support, int, 0444); 105 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)"); 106 module_param(nodelay, int, 0444); 107 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 108 109 /* just for backward compatibility */ 110 static int enable; 111 module_param(enable, bool, 0444); 112 113 114 /* revision numbers for via686 */ 115 #define VIA_REV_686_A 0x10 116 #define VIA_REV_686_B 0x11 117 #define VIA_REV_686_C 0x12 118 #define VIA_REV_686_D 0x13 119 #define VIA_REV_686_E 0x14 120 #define VIA_REV_686_H 0x20 121 122 /* revision numbers for via8233 */ 123 #define VIA_REV_PRE_8233 0x10 /* not in market */ 124 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 125 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 126 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 127 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 128 #define VIA_REV_8237 0x60 129 #define VIA_REV_8251 0x70 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 VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 142 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 143 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 144 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 145 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 146 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 147 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 148 #define VIA_REG_CTRL_START 0x80 /* WO */ 149 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 150 #define VIA_REG_CTRL_AUTOSTART 0x20 151 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 152 #define VIA_REG_CTRL_INT_STOP 0x04 153 #define VIA_REG_CTRL_INT_EOL 0x02 154 #define VIA_REG_CTRL_INT_FLAG 0x01 155 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 156 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 157 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 158 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 159 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 160 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 161 #define VIA_REG_TYPE_INT_LLINE 0x00 162 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 163 #define VIA_REG_TYPE_INT_LESSONE 0x08 164 #define VIA_REG_TYPE_INT_MASK 0x0c 165 #define VIA_REG_TYPE_INT_EOL 0x02 166 #define VIA_REG_TYPE_INT_FLAG 0x01 167 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 168 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 169 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 170 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 171 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 172 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 173 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 174 175 #define DEFINE_VIA_REGSET(name,val) \ 176 enum {\ 177 VIA_REG_##name##_STATUS = (val),\ 178 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 179 VIA_REG_##name##_TYPE = (val) + 0x02,\ 180 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 181 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 182 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 183 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 184 } 185 186 /* playback block */ 187 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 188 DEFINE_VIA_REGSET(CAPTURE, 0x10); 189 DEFINE_VIA_REGSET(FM, 0x20); 190 191 /* AC'97 */ 192 #define VIA_REG_AC97 0x80 /* dword */ 193 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 194 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 195 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 196 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 197 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 198 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 199 #define VIA_REG_AC97_BUSY (1<<24) 200 #define VIA_REG_AC97_READ (1<<23) 201 #define VIA_REG_AC97_CMD_SHIFT 16 202 #define VIA_REG_AC97_CMD_MASK 0x7e 203 #define VIA_REG_AC97_DATA_SHIFT 0 204 #define VIA_REG_AC97_DATA_MASK 0xffff 205 206 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 207 /* via686 */ 208 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 209 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 210 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 211 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 212 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 213 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 214 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 215 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 216 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 217 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 218 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 219 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 220 /* via8233 */ 221 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 222 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 223 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 224 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 225 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 226 #define VIA8233_REG_SGD_CHAN_SDX 0 227 #define VIA8233_REG_SGD_CHAN_MULTI 4 228 #define VIA8233_REG_SGD_CHAN_REC 6 229 #define VIA8233_REG_SGD_CHAN_REC1 7 230 231 #define VIA_REG_GPI_STATUS 0x88 232 #define VIA_REG_GPI_INTR 0x8c 233 234 /* multi-channel and capture registers for via8233 */ 235 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 236 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 237 238 /* via8233-specific registers */ 239 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 240 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 241 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 242 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 243 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 244 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 245 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 246 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 247 248 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 249 250 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 251 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 252 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 253 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 254 255 #define VIA_TBL_BIT_FLAG 0x40000000 256 #define VIA_TBL_BIT_EOL 0x80000000 257 258 /* pci space */ 259 #define VIA_ACLINK_STAT 0x40 260 #define VIA_ACLINK_C11_READY 0x20 261 #define VIA_ACLINK_C10_READY 0x10 262 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 263 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 264 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 265 #define VIA_ACLINK_CTRL 0x41 266 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 267 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 268 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 269 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 270 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 271 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 272 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 273 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 274 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 275 VIA_ACLINK_CTRL_RESET|\ 276 VIA_ACLINK_CTRL_PCM|\ 277 VIA_ACLINK_CTRL_VRA) 278 #define VIA_FUNC_ENABLE 0x42 279 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 280 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 281 #define VIA_FUNC_RX2C_WRITE 0x20 282 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 283 #define VIA_FUNC_ENABLE_GAME 0x08 284 #define VIA_FUNC_ENABLE_FM 0x04 285 #define VIA_FUNC_ENABLE_MIDI 0x02 286 #define VIA_FUNC_ENABLE_SB 0x01 287 #define VIA_PNP_CONTROL 0x43 288 #define VIA_FM_NMI_CTRL 0x48 289 #define VIA8233_VOLCHG_CTRL 0x48 290 #define VIA8233_SPDIF_CTRL 0x49 291 #define VIA8233_SPDIF_DX3 0x08 292 #define VIA8233_SPDIF_SLOT_MASK 0x03 293 #define VIA8233_SPDIF_SLOT_1011 0x00 294 #define VIA8233_SPDIF_SLOT_34 0x01 295 #define VIA8233_SPDIF_SLOT_78 0x02 296 #define VIA8233_SPDIF_SLOT_69 0x03 297 298 /* 299 */ 300 301 #define VIA_DXS_AUTO 0 302 #define VIA_DXS_ENABLE 1 303 #define VIA_DXS_DISABLE 2 304 #define VIA_DXS_48K 3 305 #define VIA_DXS_NO_VRA 4 306 #define VIA_DXS_SRC 5 307 308 309 /* 310 * pcm stream 311 */ 312 313 struct snd_via_sg_table { 314 unsigned int offset; 315 unsigned int size; 316 } ; 317 318 #define VIA_TABLE_SIZE 255 319 #define VIA_MAX_BUFSIZE (1<<24) 320 321 struct viadev { 322 unsigned int reg_offset; 323 unsigned long port; 324 int direction; /* playback = 0, capture = 1 */ 325 struct snd_pcm_substream *substream; 326 int running; 327 unsigned int tbl_entries; /* # descriptors */ 328 struct snd_dma_buffer table; 329 struct snd_via_sg_table *idx_table; 330 /* for recovery from the unexpected pointer */ 331 unsigned int lastpos; 332 unsigned int fragsize; 333 unsigned int bufsize; 334 unsigned int bufsize2; 335 int hwptr_done; /* processed frame position in the buffer */ 336 int in_interrupt; 337 int shadow_shift; 338 }; 339 340 341 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 342 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 343 344 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 345 346 struct via_rate_lock { 347 spinlock_t lock; 348 int rate; 349 int used; 350 }; 351 352 struct via82xx { 353 int irq; 354 355 unsigned long port; 356 struct resource *mpu_res; 357 int chip_type; 358 unsigned char revision; 359 360 unsigned char old_legacy; 361 unsigned char old_legacy_cfg; 362 #ifdef CONFIG_PM 363 unsigned char legacy_saved; 364 unsigned char legacy_cfg_saved; 365 unsigned char spdif_ctrl_saved; 366 unsigned char capture_src_saved[2]; 367 unsigned int mpu_port_saved; 368 #endif 369 370 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 371 unsigned char playback_volume_c[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 struct snd_card *card; 377 378 unsigned int num_devs; 379 unsigned int playback_devno, multi_devno, capture_devno; 380 struct viadev 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 struct snd_pcm *pcms[2]; 388 struct snd_rawmidi *rmidi; 389 390 struct snd_ac97_bus *ac97_bus; 391 struct snd_ac97 *ac97; 392 unsigned int ac97_clock; 393 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 394 395 spinlock_t reg_lock; 396 struct snd_info_entry *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 */ 405 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 406 /* 0x1106, 0x3059 */ 407 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 408 { 0, } 409 }; 410 411 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 412 413 /* 414 */ 415 416 /* 417 * allocate and initialize the descriptor buffers 418 * periods = number of periods 419 * fragsize = period size in bytes 420 */ 421 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 422 struct pci_dev *pci, 423 unsigned int periods, unsigned int fragsize) 424 { 425 unsigned int i, idx, ofs, rest; 426 struct via82xx *chip = snd_pcm_substream_chip(substream); 427 428 if (dev->table.area == NULL) { 429 /* the start of each lists must be aligned to 8 bytes, 430 * but the kernel pages are much bigger, so we don't care 431 */ 432 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 433 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 434 &dev->table) < 0) 435 return -ENOMEM; 436 } 437 if (! dev->idx_table) { 438 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 439 if (! dev->idx_table) 440 return -ENOMEM; 441 } 442 443 /* fill the entries */ 444 idx = 0; 445 ofs = 0; 446 for (i = 0; i < periods; i++) { 447 rest = fragsize; 448 /* fill descriptors for a period. 449 * a period can be split to several descriptors if it's 450 * over page boundary. 451 */ 452 do { 453 unsigned int r; 454 unsigned int flag; 455 unsigned int addr; 456 457 if (idx >= VIA_TABLE_SIZE) { 458 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 459 return -EINVAL; 460 } 461 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 462 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 463 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 464 rest -= r; 465 if (! rest) { 466 if (i == periods - 1) 467 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 468 else 469 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 470 } else 471 flag = 0; /* period continues to the next */ 472 /* 473 printk(KERN_DEBUG "via: tbl %d: at %d size %d " 474 "(rest %d)\n", idx, ofs, r, rest); 475 */ 476 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 477 dev->idx_table[idx].offset = ofs; 478 dev->idx_table[idx].size = r; 479 ofs += r; 480 idx++; 481 } while (rest > 0); 482 } 483 dev->tbl_entries = idx; 484 dev->bufsize = periods * fragsize; 485 dev->bufsize2 = dev->bufsize / 2; 486 dev->fragsize = fragsize; 487 return 0; 488 } 489 490 491 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 492 struct pci_dev *pci) 493 { 494 if (dev->table.area) { 495 snd_dma_free_pages(&dev->table); 496 dev->table.area = NULL; 497 } 498 kfree(dev->idx_table); 499 dev->idx_table = NULL; 500 return 0; 501 } 502 503 /* 504 * Basic I/O 505 */ 506 507 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 508 { 509 return inl(VIAREG(chip, AC97)); 510 } 511 512 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 513 { 514 outl(val, VIAREG(chip, AC97)); 515 } 516 517 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 518 { 519 unsigned int timeout = 1000; /* 1ms */ 520 unsigned int val; 521 522 while (timeout-- > 0) { 523 udelay(1); 524 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 525 return val & 0xffff; 526 } 527 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", 528 secondary, snd_via82xx_codec_xread(chip)); 529 return -EIO; 530 } 531 532 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 533 { 534 unsigned int timeout = 1000; /* 1ms */ 535 unsigned int val, val1; 536 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 537 VIA_REG_AC97_SECONDARY_VALID; 538 539 while (timeout-- > 0) { 540 val = snd_via82xx_codec_xread(chip); 541 val1 = val & (VIA_REG_AC97_BUSY | stat); 542 if (val1 == stat) 543 return val & 0xffff; 544 udelay(1); 545 } 546 return -EIO; 547 } 548 549 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 550 { 551 struct via82xx *chip = ac97->private_data; 552 int err; 553 err = snd_via82xx_codec_ready(chip, ac97->num); 554 /* here we need to wait fairly for long time.. */ 555 if (!nodelay) 556 msleep(500); 557 } 558 559 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 560 unsigned short reg, 561 unsigned short val) 562 { 563 struct via82xx *chip = ac97->private_data; 564 unsigned int xval; 565 566 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 567 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 568 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 569 xval |= val << VIA_REG_AC97_DATA_SHIFT; 570 snd_via82xx_codec_xwrite(chip, xval); 571 snd_via82xx_codec_ready(chip, ac97->num); 572 } 573 574 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 575 { 576 struct via82xx *chip = ac97->private_data; 577 unsigned int xval, val = 0xffff; 578 int again = 0; 579 580 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 581 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 582 xval |= VIA_REG_AC97_READ; 583 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 584 while (1) { 585 if (again++ > 3) { 586 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", 587 ac97->num, snd_via82xx_codec_xread(chip)); 588 return 0xffff; 589 } 590 snd_via82xx_codec_xwrite(chip, xval); 591 udelay (20); 592 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 593 udelay(25); 594 val = snd_via82xx_codec_xread(chip); 595 break; 596 } 597 } 598 return val & 0xffff; 599 } 600 601 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 602 { 603 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 604 VIADEV_REG(viadev, OFFSET_CONTROL)); 605 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 606 udelay(50); 607 /* disable interrupts */ 608 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 609 /* clear interrupts */ 610 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 611 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 612 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 613 viadev->lastpos = 0; 614 viadev->hwptr_done = 0; 615 } 616 617 618 /* 619 * Interrupt handler 620 * Used for 686 and 8233A 621 */ 622 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 623 { 624 struct via82xx *chip = dev_id; 625 unsigned int status; 626 unsigned int i; 627 628 status = inl(VIAREG(chip, SGD_SHADOW)); 629 if (! (status & chip->intr_mask)) { 630 if (chip->rmidi) 631 /* check mpu401 interrupt */ 632 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 633 return IRQ_NONE; 634 } 635 636 /* check status for each stream */ 637 spin_lock(&chip->reg_lock); 638 for (i = 0; i < chip->num_devs; i++) { 639 struct viadev *viadev = &chip->devs[i]; 640 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 641 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 642 continue; 643 if (viadev->substream && viadev->running) { 644 /* 645 * Update hwptr_done based on 'period elapsed' 646 * interrupts. We'll use it, when the chip returns 0 647 * for OFFSET_CURR_COUNT. 648 */ 649 if (c_status & VIA_REG_STAT_EOL) 650 viadev->hwptr_done = 0; 651 else 652 viadev->hwptr_done += viadev->fragsize; 653 viadev->in_interrupt = c_status; 654 spin_unlock(&chip->reg_lock); 655 snd_pcm_period_elapsed(viadev->substream); 656 spin_lock(&chip->reg_lock); 657 viadev->in_interrupt = 0; 658 } 659 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 660 } 661 spin_unlock(&chip->reg_lock); 662 return IRQ_HANDLED; 663 } 664 665 /* 666 * Interrupt handler 667 */ 668 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 669 { 670 struct via82xx *chip = dev_id; 671 unsigned int status; 672 unsigned int i; 673 int irqreturn = 0; 674 675 /* check status for each stream */ 676 spin_lock(&chip->reg_lock); 677 status = inl(VIAREG(chip, SGD_SHADOW)); 678 679 for (i = 0; i < chip->num_devs; i++) { 680 struct viadev *viadev = &chip->devs[i]; 681 struct snd_pcm_substream *substream; 682 unsigned char c_status, shadow_status; 683 684 shadow_status = (status >> viadev->shadow_shift) & 685 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 686 VIA_REG_STAT_FLAG); 687 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 688 if (!c_status) 689 continue; 690 691 substream = viadev->substream; 692 if (substream && viadev->running) { 693 /* 694 * Update hwptr_done based on 'period elapsed' 695 * interrupts. We'll use it, when the chip returns 0 696 * for OFFSET_CURR_COUNT. 697 */ 698 if (c_status & VIA_REG_STAT_EOL) 699 viadev->hwptr_done = 0; 700 else 701 viadev->hwptr_done += viadev->fragsize; 702 viadev->in_interrupt = c_status; 703 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 704 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 705 spin_unlock(&chip->reg_lock); 706 707 snd_pcm_period_elapsed(substream); 708 709 spin_lock(&chip->reg_lock); 710 viadev->in_interrupt = 0; 711 } 712 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 713 irqreturn = 1; 714 } 715 spin_unlock(&chip->reg_lock); 716 return IRQ_RETVAL(irqreturn); 717 } 718 719 /* 720 * PCM callbacks 721 */ 722 723 /* 724 * trigger callback 725 */ 726 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 727 { 728 struct via82xx *chip = snd_pcm_substream_chip(substream); 729 struct viadev *viadev = substream->runtime->private_data; 730 unsigned char val; 731 732 if (chip->chip_type != TYPE_VIA686) 733 val = VIA_REG_CTRL_INT; 734 else 735 val = 0; 736 switch (cmd) { 737 case SNDRV_PCM_TRIGGER_START: 738 case SNDRV_PCM_TRIGGER_RESUME: 739 val |= VIA_REG_CTRL_START; 740 viadev->running = 1; 741 break; 742 case SNDRV_PCM_TRIGGER_STOP: 743 case SNDRV_PCM_TRIGGER_SUSPEND: 744 val = VIA_REG_CTRL_TERMINATE; 745 viadev->running = 0; 746 break; 747 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 748 val |= VIA_REG_CTRL_PAUSE; 749 viadev->running = 0; 750 break; 751 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 752 viadev->running = 1; 753 break; 754 default: 755 return -EINVAL; 756 } 757 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 758 if (cmd == SNDRV_PCM_TRIGGER_STOP) 759 snd_via82xx_channel_reset(chip, viadev); 760 return 0; 761 } 762 763 764 /* 765 * pointer callbacks 766 */ 767 768 /* 769 * calculate the linear position at the given sg-buffer index and the rest count 770 */ 771 772 #define check_invalid_pos(viadev,pos) \ 773 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 774 viadev->lastpos < viadev->bufsize2)) 775 776 static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, 777 unsigned int count) 778 { 779 unsigned int size, base, res; 780 781 size = viadev->idx_table[idx].size; 782 base = viadev->idx_table[idx].offset; 783 res = base + size - count; 784 if (res >= viadev->bufsize) 785 res -= viadev->bufsize; 786 787 /* check the validity of the calculated position */ 788 if (size < count) { 789 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 790 (int)size, (int)count); 791 res = viadev->lastpos; 792 } else { 793 if (! count) { 794 /* Some mobos report count = 0 on the DMA boundary, 795 * i.e. count = size indeed. 796 * Let's check whether this step is above the expected size. 797 */ 798 int delta = res - viadev->lastpos; 799 if (delta < 0) 800 delta += viadev->bufsize; 801 if ((unsigned int)delta > viadev->fragsize) 802 res = base; 803 } 804 if (check_invalid_pos(viadev, res)) { 805 #ifdef POINTER_DEBUG 806 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, " 807 "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " 808 "count = 0x%x\n", idx, viadev->tbl_entries, 809 viadev->lastpos, viadev->bufsize2, 810 viadev->idx_table[idx].offset, 811 viadev->idx_table[idx].size, count); 812 #endif 813 /* count register returns full size when end of buffer is reached */ 814 res = base + size; 815 if (check_invalid_pos(viadev, res)) { 816 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " 817 "using last valid pointer\n"); 818 res = viadev->lastpos; 819 } 820 } 821 } 822 return res; 823 } 824 825 /* 826 * get the current pointer on via686 827 */ 828 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 829 { 830 struct via82xx *chip = snd_pcm_substream_chip(substream); 831 struct viadev *viadev = substream->runtime->private_data; 832 unsigned int idx, ptr, count, res; 833 834 if (snd_BUG_ON(!viadev->tbl_entries)) 835 return 0; 836 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 837 return 0; 838 839 spin_lock(&chip->reg_lock); 840 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 841 /* The via686a does not have the current index register, 842 * so we need to calculate the index from CURR_PTR. 843 */ 844 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 845 if (ptr <= (unsigned int)viadev->table.addr) 846 idx = 0; 847 else /* CURR_PTR holds the address + 8 */ 848 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 849 res = calc_linear_pos(viadev, idx, count); 850 viadev->lastpos = res; /* remember the last position */ 851 spin_unlock(&chip->reg_lock); 852 853 return bytes_to_frames(substream->runtime, res); 854 } 855 856 /* 857 * get the current pointer on via823x 858 */ 859 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 860 { 861 struct via82xx *chip = snd_pcm_substream_chip(substream); 862 struct viadev *viadev = substream->runtime->private_data; 863 unsigned int idx, count, res; 864 int status; 865 866 if (snd_BUG_ON(!viadev->tbl_entries)) 867 return 0; 868 869 spin_lock(&chip->reg_lock); 870 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 871 status = viadev->in_interrupt; 872 if (!status) 873 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 874 875 /* An apparent bug in the 8251 is worked around by sending a 876 * REG_CTRL_START. */ 877 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 878 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 879 880 if (!(status & VIA_REG_STAT_ACTIVE)) { 881 res = 0; 882 goto unlock; 883 } 884 if (count & 0xffffff) { 885 idx = count >> 24; 886 if (idx >= viadev->tbl_entries) { 887 #ifdef POINTER_DEBUG 888 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, 889 viadev->tbl_entries); 890 #endif 891 res = viadev->lastpos; 892 } else { 893 count &= 0xffffff; 894 res = calc_linear_pos(viadev, idx, count); 895 } 896 } else { 897 res = viadev->hwptr_done; 898 if (!viadev->in_interrupt) { 899 if (status & VIA_REG_STAT_EOL) { 900 res = 0; 901 } else 902 if (status & VIA_REG_STAT_FLAG) { 903 res += viadev->fragsize; 904 } 905 } 906 } 907 unlock: 908 viadev->lastpos = res; 909 spin_unlock(&chip->reg_lock); 910 911 return bytes_to_frames(substream->runtime, res); 912 } 913 914 915 /* 916 * hw_params callback: 917 * allocate the buffer and build up the buffer description table 918 */ 919 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 920 struct snd_pcm_hw_params *hw_params) 921 { 922 struct via82xx *chip = snd_pcm_substream_chip(substream); 923 struct viadev *viadev = substream->runtime->private_data; 924 int err; 925 926 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 927 if (err < 0) 928 return err; 929 err = build_via_table(viadev, substream, chip->pci, 930 params_periods(hw_params), 931 params_period_bytes(hw_params)); 932 if (err < 0) 933 return err; 934 935 return 0; 936 } 937 938 /* 939 * hw_free callback: 940 * clean up the buffer description table and release the buffer 941 */ 942 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 943 { 944 struct via82xx *chip = snd_pcm_substream_chip(substream); 945 struct viadev *viadev = substream->runtime->private_data; 946 947 clean_via_table(viadev, substream, chip->pci); 948 snd_pcm_lib_free_pages(substream); 949 return 0; 950 } 951 952 953 /* 954 * set up the table pointer 955 */ 956 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 957 { 958 snd_via82xx_codec_ready(chip, 0); 959 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 960 udelay(20); 961 snd_via82xx_codec_ready(chip, 0); 962 } 963 964 /* 965 * prepare callback for playback and capture on via686 966 */ 967 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 968 struct snd_pcm_runtime *runtime) 969 { 970 snd_via82xx_channel_reset(chip, viadev); 971 /* this must be set after channel_reset */ 972 snd_via82xx_set_table_ptr(chip, viadev); 973 outb(VIA_REG_TYPE_AUTOSTART | 974 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 975 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 976 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 977 VIA_REG_TYPE_INT_EOL | 978 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 979 } 980 981 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 982 { 983 struct via82xx *chip = snd_pcm_substream_chip(substream); 984 struct viadev *viadev = substream->runtime->private_data; 985 struct snd_pcm_runtime *runtime = substream->runtime; 986 987 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 988 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 989 via686_setup_format(chip, viadev, runtime); 990 return 0; 991 } 992 993 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 994 { 995 struct via82xx *chip = snd_pcm_substream_chip(substream); 996 struct viadev *viadev = substream->runtime->private_data; 997 struct snd_pcm_runtime *runtime = substream->runtime; 998 999 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1000 via686_setup_format(chip, viadev, runtime); 1001 return 0; 1002 } 1003 1004 /* 1005 * lock the current rate 1006 */ 1007 static int via_lock_rate(struct via_rate_lock *rec, int rate) 1008 { 1009 int changed = 0; 1010 1011 spin_lock_irq(&rec->lock); 1012 if (rec->rate != rate) { 1013 if (rec->rate && rec->used > 1) /* already set */ 1014 changed = -EINVAL; 1015 else { 1016 rec->rate = rate; 1017 changed = 1; 1018 } 1019 } 1020 spin_unlock_irq(&rec->lock); 1021 return changed; 1022 } 1023 1024 /* 1025 * prepare callback for DSX playback on via823x 1026 */ 1027 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1028 { 1029 struct via82xx *chip = snd_pcm_substream_chip(substream); 1030 struct viadev *viadev = substream->runtime->private_data; 1031 struct snd_pcm_runtime *runtime = substream->runtime; 1032 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1033 int rate_changed; 1034 u32 rbits; 1035 1036 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1037 return rate_changed; 1038 if (rate_changed) 1039 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1040 chip->no_vra ? 48000 : runtime->rate); 1041 if (chip->spdif_on && viadev->reg_offset == 0x30) 1042 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1043 1044 if (runtime->rate == 48000) 1045 rbits = 0xfffff; 1046 else 1047 rbits = (0x100000 / 48000) * runtime->rate + 1048 ((0x100000 % 48000) * runtime->rate) / 48000; 1049 snd_BUG_ON(rbits & ~0xfffff); 1050 snd_via82xx_channel_reset(chip, viadev); 1051 snd_via82xx_set_table_ptr(chip, viadev); 1052 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1053 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1054 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1055 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1056 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1057 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1058 rbits | /* rate */ 1059 0xff000000, /* STOP index is never reached */ 1060 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1061 udelay(20); 1062 snd_via82xx_codec_ready(chip, 0); 1063 return 0; 1064 } 1065 1066 /* 1067 * prepare callback for multi-channel playback on via823x 1068 */ 1069 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1070 { 1071 struct via82xx *chip = snd_pcm_substream_chip(substream); 1072 struct viadev *viadev = substream->runtime->private_data; 1073 struct snd_pcm_runtime *runtime = substream->runtime; 1074 unsigned int slots; 1075 int fmt; 1076 1077 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1078 return -EINVAL; 1079 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1080 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1081 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1082 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1083 snd_via82xx_channel_reset(chip, viadev); 1084 snd_via82xx_set_table_ptr(chip, viadev); 1085 1086 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1087 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1088 fmt |= runtime->channels << 4; 1089 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1090 #if 0 1091 if (chip->revision == VIA_REV_8233A) 1092 slots = 0; 1093 else 1094 #endif 1095 { 1096 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1097 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1098 switch (runtime->channels) { 1099 case 1: slots = (1<<0) | (1<<4); break; 1100 case 2: slots = (1<<0) | (2<<4); break; 1101 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1102 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1103 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1104 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1105 default: slots = 0; break; 1106 } 1107 } 1108 /* STOP index is never reached */ 1109 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1110 udelay(20); 1111 snd_via82xx_codec_ready(chip, 0); 1112 return 0; 1113 } 1114 1115 /* 1116 * prepare callback for capture on via823x 1117 */ 1118 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1119 { 1120 struct via82xx *chip = snd_pcm_substream_chip(substream); 1121 struct viadev *viadev = substream->runtime->private_data; 1122 struct snd_pcm_runtime *runtime = substream->runtime; 1123 1124 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1125 return -EINVAL; 1126 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1127 snd_via82xx_channel_reset(chip, viadev); 1128 snd_via82xx_set_table_ptr(chip, viadev); 1129 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1130 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1131 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1132 0xff000000, /* STOP index is never reached */ 1133 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1134 udelay(20); 1135 snd_via82xx_codec_ready(chip, 0); 1136 return 0; 1137 } 1138 1139 1140 /* 1141 * pcm hardware definition, identical for both playback and capture 1142 */ 1143 static struct snd_pcm_hardware snd_via82xx_hw = 1144 { 1145 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1146 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1147 SNDRV_PCM_INFO_MMAP_VALID | 1148 /* SNDRV_PCM_INFO_RESUME | */ 1149 SNDRV_PCM_INFO_PAUSE), 1150 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1151 .rates = SNDRV_PCM_RATE_48000, 1152 .rate_min = 48000, 1153 .rate_max = 48000, 1154 .channels_min = 1, 1155 .channels_max = 2, 1156 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1157 .period_bytes_min = 32, 1158 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1159 .periods_min = 2, 1160 .periods_max = VIA_TABLE_SIZE / 2, 1161 .fifo_size = 0, 1162 }; 1163 1164 1165 /* 1166 * open callback skeleton 1167 */ 1168 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1169 struct snd_pcm_substream *substream) 1170 { 1171 struct snd_pcm_runtime *runtime = substream->runtime; 1172 int err; 1173 struct via_rate_lock *ratep; 1174 1175 runtime->hw = snd_via82xx_hw; 1176 1177 /* set the hw rate condition */ 1178 ratep = &chip->rates[viadev->direction]; 1179 spin_lock_irq(&ratep->lock); 1180 ratep->used++; 1181 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1182 /* DXS#3 and spdif is on */ 1183 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1184 snd_pcm_limit_hw_rates(runtime); 1185 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1186 /* fixed DXS playback rate */ 1187 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1188 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1189 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1190 /* use full SRC capabilities of DXS */ 1191 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1192 SNDRV_PCM_RATE_8000_48000); 1193 runtime->hw.rate_min = 8000; 1194 runtime->hw.rate_max = 48000; 1195 } else if (! ratep->rate) { 1196 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1197 runtime->hw.rates = chip->ac97->rates[idx]; 1198 snd_pcm_limit_hw_rates(runtime); 1199 } else { 1200 /* a fixed rate */ 1201 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1202 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1203 } 1204 spin_unlock_irq(&ratep->lock); 1205 1206 /* we may remove following constaint when we modify table entries 1207 in interrupt */ 1208 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1209 return err; 1210 1211 runtime->private_data = viadev; 1212 viadev->substream = substream; 1213 1214 return 0; 1215 } 1216 1217 1218 /* 1219 * open callback for playback on via686 and via823x DSX 1220 */ 1221 static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) 1222 { 1223 struct via82xx *chip = snd_pcm_substream_chip(substream); 1224 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1225 int err; 1226 1227 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1228 return err; 1229 return 0; 1230 } 1231 1232 /* 1233 * open callback for playback on via823x multi-channel 1234 */ 1235 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1236 { 1237 struct via82xx *chip = snd_pcm_substream_chip(substream); 1238 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1239 int err; 1240 /* channels constraint for VIA8233A 1241 * 3 and 5 channels are not supported 1242 */ 1243 static unsigned int channels[] = { 1244 1, 2, 4, 6 1245 }; 1246 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1247 .count = ARRAY_SIZE(channels), 1248 .list = channels, 1249 .mask = 0, 1250 }; 1251 1252 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1253 return err; 1254 substream->runtime->hw.channels_max = 6; 1255 if (chip->revision == VIA_REV_8233A) 1256 snd_pcm_hw_constraint_list(substream->runtime, 0, 1257 SNDRV_PCM_HW_PARAM_CHANNELS, 1258 &hw_constraints_channels); 1259 return 0; 1260 } 1261 1262 /* 1263 * open callback for capture on via686 and via823x 1264 */ 1265 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1266 { 1267 struct via82xx *chip = snd_pcm_substream_chip(substream); 1268 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1269 1270 return snd_via82xx_pcm_open(chip, viadev, substream); 1271 } 1272 1273 /* 1274 * close callback 1275 */ 1276 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1277 { 1278 struct via82xx *chip = snd_pcm_substream_chip(substream); 1279 struct viadev *viadev = substream->runtime->private_data; 1280 struct via_rate_lock *ratep; 1281 1282 /* release the rate lock */ 1283 ratep = &chip->rates[viadev->direction]; 1284 spin_lock_irq(&ratep->lock); 1285 ratep->used--; 1286 if (! ratep->used) 1287 ratep->rate = 0; 1288 spin_unlock_irq(&ratep->lock); 1289 if (! ratep->rate) { 1290 if (! viadev->direction) { 1291 snd_ac97_update_power(chip->ac97, 1292 AC97_PCM_FRONT_DAC_RATE, 0); 1293 snd_ac97_update_power(chip->ac97, 1294 AC97_PCM_SURR_DAC_RATE, 0); 1295 snd_ac97_update_power(chip->ac97, 1296 AC97_PCM_LFE_DAC_RATE, 0); 1297 } else 1298 snd_ac97_update_power(chip->ac97, 1299 AC97_PCM_LR_ADC_RATE, 0); 1300 } 1301 viadev->substream = NULL; 1302 return 0; 1303 } 1304 1305 1306 /* via686 playback callbacks */ 1307 static struct snd_pcm_ops snd_via686_playback_ops = { 1308 .open = snd_via82xx_playback_open, 1309 .close = snd_via82xx_pcm_close, 1310 .ioctl = snd_pcm_lib_ioctl, 1311 .hw_params = snd_via82xx_hw_params, 1312 .hw_free = snd_via82xx_hw_free, 1313 .prepare = snd_via686_playback_prepare, 1314 .trigger = snd_via82xx_pcm_trigger, 1315 .pointer = snd_via686_pcm_pointer, 1316 .page = snd_pcm_sgbuf_ops_page, 1317 }; 1318 1319 /* via686 capture callbacks */ 1320 static struct snd_pcm_ops snd_via686_capture_ops = { 1321 .open = snd_via82xx_capture_open, 1322 .close = snd_via82xx_pcm_close, 1323 .ioctl = snd_pcm_lib_ioctl, 1324 .hw_params = snd_via82xx_hw_params, 1325 .hw_free = snd_via82xx_hw_free, 1326 .prepare = snd_via686_capture_prepare, 1327 .trigger = snd_via82xx_pcm_trigger, 1328 .pointer = snd_via686_pcm_pointer, 1329 .page = snd_pcm_sgbuf_ops_page, 1330 }; 1331 1332 /* via823x DSX playback callbacks */ 1333 static struct snd_pcm_ops snd_via8233_playback_ops = { 1334 .open = snd_via82xx_playback_open, 1335 .close = snd_via82xx_pcm_close, 1336 .ioctl = snd_pcm_lib_ioctl, 1337 .hw_params = snd_via82xx_hw_params, 1338 .hw_free = snd_via82xx_hw_free, 1339 .prepare = snd_via8233_playback_prepare, 1340 .trigger = snd_via82xx_pcm_trigger, 1341 .pointer = snd_via8233_pcm_pointer, 1342 .page = snd_pcm_sgbuf_ops_page, 1343 }; 1344 1345 /* via823x multi-channel playback callbacks */ 1346 static struct snd_pcm_ops snd_via8233_multi_ops = { 1347 .open = snd_via8233_multi_open, 1348 .close = snd_via82xx_pcm_close, 1349 .ioctl = snd_pcm_lib_ioctl, 1350 .hw_params = snd_via82xx_hw_params, 1351 .hw_free = snd_via82xx_hw_free, 1352 .prepare = snd_via8233_multi_prepare, 1353 .trigger = snd_via82xx_pcm_trigger, 1354 .pointer = snd_via8233_pcm_pointer, 1355 .page = snd_pcm_sgbuf_ops_page, 1356 }; 1357 1358 /* via823x capture callbacks */ 1359 static struct snd_pcm_ops snd_via8233_capture_ops = { 1360 .open = snd_via82xx_capture_open, 1361 .close = snd_via82xx_pcm_close, 1362 .ioctl = snd_pcm_lib_ioctl, 1363 .hw_params = snd_via82xx_hw_params, 1364 .hw_free = snd_via82xx_hw_free, 1365 .prepare = snd_via8233_capture_prepare, 1366 .trigger = snd_via82xx_pcm_trigger, 1367 .pointer = snd_via8233_pcm_pointer, 1368 .page = snd_pcm_sgbuf_ops_page, 1369 }; 1370 1371 1372 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1373 int shadow_pos, int direction) 1374 { 1375 chip->devs[idx].reg_offset = reg_offset; 1376 chip->devs[idx].shadow_shift = shadow_pos * 4; 1377 chip->devs[idx].direction = direction; 1378 chip->devs[idx].port = chip->port + reg_offset; 1379 } 1380 1381 /* 1382 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1383 */ 1384 static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1385 { 1386 struct snd_pcm *pcm; 1387 int i, err; 1388 1389 chip->playback_devno = 0; /* x 4 */ 1390 chip->multi_devno = 4; /* x 1 */ 1391 chip->capture_devno = 5; /* x 2 */ 1392 chip->num_devs = 7; 1393 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1394 1395 /* PCM #0: 4 DSX playbacks and 1 capture */ 1396 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1397 if (err < 0) 1398 return err; 1399 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1400 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1401 pcm->private_data = chip; 1402 strcpy(pcm->name, chip->card->shortname); 1403 chip->pcms[0] = pcm; 1404 /* set up playbacks */ 1405 for (i = 0; i < 4; i++) 1406 init_viadev(chip, i, 0x10 * i, i, 0); 1407 /* capture */ 1408 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1409 1410 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1411 snd_dma_pci_data(chip->pci), 1412 64*1024, VIA_MAX_BUFSIZE); 1413 1414 /* PCM #1: multi-channel playback and 2nd capture */ 1415 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1416 if (err < 0) 1417 return err; 1418 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1419 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1420 pcm->private_data = chip; 1421 strcpy(pcm->name, chip->card->shortname); 1422 chip->pcms[1] = pcm; 1423 /* set up playback */ 1424 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1425 /* set up capture */ 1426 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1427 1428 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1429 snd_dma_pci_data(chip->pci), 1430 64*1024, VIA_MAX_BUFSIZE); 1431 return 0; 1432 } 1433 1434 /* 1435 * create pcm instances for VIA8233A 1436 */ 1437 static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1438 { 1439 struct snd_pcm *pcm; 1440 int err; 1441 1442 chip->multi_devno = 0; 1443 chip->playback_devno = 1; 1444 chip->capture_devno = 2; 1445 chip->num_devs = 3; 1446 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1447 1448 /* PCM #0: multi-channel playback and capture */ 1449 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1450 if (err < 0) 1451 return err; 1452 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1453 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1454 pcm->private_data = chip; 1455 strcpy(pcm->name, chip->card->shortname); 1456 chip->pcms[0] = pcm; 1457 /* set up playback */ 1458 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1459 /* capture */ 1460 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1461 1462 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1463 snd_dma_pci_data(chip->pci), 1464 64*1024, VIA_MAX_BUFSIZE); 1465 1466 /* SPDIF supported? */ 1467 if (! ac97_can_spdif(chip->ac97)) 1468 return 0; 1469 1470 /* PCM #1: DXS3 playback (for spdif) */ 1471 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1472 if (err < 0) 1473 return err; 1474 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1475 pcm->private_data = chip; 1476 strcpy(pcm->name, chip->card->shortname); 1477 chip->pcms[1] = pcm; 1478 /* set up playback */ 1479 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1480 1481 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1482 snd_dma_pci_data(chip->pci), 1483 64*1024, VIA_MAX_BUFSIZE); 1484 return 0; 1485 } 1486 1487 /* 1488 * create a pcm instance for via686a/b 1489 */ 1490 static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1491 { 1492 struct snd_pcm *pcm; 1493 int err; 1494 1495 chip->playback_devno = 0; 1496 chip->capture_devno = 1; 1497 chip->num_devs = 2; 1498 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1499 1500 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1501 if (err < 0) 1502 return err; 1503 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1504 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1505 pcm->private_data = chip; 1506 strcpy(pcm->name, chip->card->shortname); 1507 chip->pcms[0] = pcm; 1508 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1509 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1510 1511 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1512 snd_dma_pci_data(chip->pci), 1513 64*1024, VIA_MAX_BUFSIZE); 1514 return 0; 1515 } 1516 1517 1518 /* 1519 * Mixer part 1520 */ 1521 1522 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1523 struct snd_ctl_elem_info *uinfo) 1524 { 1525 /* formerly they were "Line" and "Mic", but it looks like that they 1526 * have nothing to do with the actual physical connections... 1527 */ 1528 static char *texts[2] = { 1529 "Input1", "Input2" 1530 }; 1531 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1532 uinfo->count = 1; 1533 uinfo->value.enumerated.items = 2; 1534 if (uinfo->value.enumerated.item >= 2) 1535 uinfo->value.enumerated.item = 1; 1536 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1537 return 0; 1538 } 1539 1540 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1541 struct snd_ctl_elem_value *ucontrol) 1542 { 1543 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1544 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1545 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1546 return 0; 1547 } 1548 1549 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1550 struct snd_ctl_elem_value *ucontrol) 1551 { 1552 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1553 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1554 u8 val, oval; 1555 1556 spin_lock_irq(&chip->reg_lock); 1557 oval = inb(port); 1558 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1559 if (ucontrol->value.enumerated.item[0]) 1560 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1561 if (val != oval) 1562 outb(val, port); 1563 spin_unlock_irq(&chip->reg_lock); 1564 return val != oval; 1565 } 1566 1567 static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1568 .name = "Input Source Select", 1569 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1570 .info = snd_via8233_capture_source_info, 1571 .get = snd_via8233_capture_source_get, 1572 .put = snd_via8233_capture_source_put, 1573 }; 1574 1575 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1576 1577 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1578 struct snd_ctl_elem_value *ucontrol) 1579 { 1580 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1581 u8 val; 1582 1583 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1584 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1585 return 0; 1586 } 1587 1588 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1589 struct snd_ctl_elem_value *ucontrol) 1590 { 1591 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1592 u8 val, oval; 1593 1594 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1595 val = oval & ~VIA8233_SPDIF_DX3; 1596 if (ucontrol->value.integer.value[0]) 1597 val |= VIA8233_SPDIF_DX3; 1598 /* save the spdif flag for rate filtering */ 1599 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1600 if (val != oval) { 1601 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1602 return 1; 1603 } 1604 return 0; 1605 } 1606 1607 static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1608 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1609 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1610 .info = snd_via8233_dxs3_spdif_info, 1611 .get = snd_via8233_dxs3_spdif_get, 1612 .put = snd_via8233_dxs3_spdif_put, 1613 }; 1614 1615 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1616 struct snd_ctl_elem_info *uinfo) 1617 { 1618 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1619 uinfo->count = 2; 1620 uinfo->value.integer.min = 0; 1621 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1622 return 0; 1623 } 1624 1625 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1626 struct snd_ctl_elem_value *ucontrol) 1627 { 1628 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1629 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1630 1631 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1632 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1633 return 0; 1634 } 1635 1636 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1637 struct snd_ctl_elem_value *ucontrol) 1638 { 1639 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1640 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1641 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1642 return 0; 1643 } 1644 1645 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1646 struct snd_ctl_elem_value *ucontrol) 1647 { 1648 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1649 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1650 unsigned long port = chip->port + 0x10 * idx; 1651 unsigned char val; 1652 int i, change = 0; 1653 1654 for (i = 0; i < 2; i++) { 1655 val = ucontrol->value.integer.value[i]; 1656 if (val > VIA_DXS_MAX_VOLUME) 1657 val = VIA_DXS_MAX_VOLUME; 1658 val = VIA_DXS_MAX_VOLUME - val; 1659 change |= val != chip->playback_volume[idx][i]; 1660 if (change) { 1661 chip->playback_volume[idx][i] = val; 1662 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1663 } 1664 } 1665 return change; 1666 } 1667 1668 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1669 struct snd_ctl_elem_value *ucontrol) 1670 { 1671 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1672 unsigned int idx; 1673 unsigned char val; 1674 int i, change = 0; 1675 1676 for (i = 0; i < 2; i++) { 1677 val = ucontrol->value.integer.value[i]; 1678 if (val > VIA_DXS_MAX_VOLUME) 1679 val = VIA_DXS_MAX_VOLUME; 1680 val = VIA_DXS_MAX_VOLUME - val; 1681 if (val != chip->playback_volume_c[i]) { 1682 change = 1; 1683 chip->playback_volume_c[i] = val; 1684 for (idx = 0; idx < 4; idx++) { 1685 unsigned long port = chip->port + 0x10 * idx; 1686 chip->playback_volume[idx][i] = val; 1687 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1688 } 1689 } 1690 } 1691 return change; 1692 } 1693 1694 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1695 1696 static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1697 .name = "PCM Playback Volume", 1698 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1699 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1700 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1701 .info = snd_via8233_dxs_volume_info, 1702 .get = snd_via8233_pcmdxs_volume_get, 1703 .put = snd_via8233_pcmdxs_volume_put, 1704 .tlv = { .p = db_scale_dxs } 1705 }; 1706 1707 static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1708 .name = "VIA DXS Playback Volume", 1709 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1710 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1711 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 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 .tlv = { .p = db_scale_dxs } 1717 }; 1718 1719 /* 1720 */ 1721 1722 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1723 { 1724 struct via82xx *chip = bus->private_data; 1725 chip->ac97_bus = NULL; 1726 } 1727 1728 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1729 { 1730 struct via82xx *chip = ac97->private_data; 1731 chip->ac97 = NULL; 1732 } 1733 1734 static struct ac97_quirk ac97_quirks[] = { 1735 { 1736 .subvendor = 0x1106, 1737 .subdevice = 0x4161, 1738 .codec_id = 0x56494161, /* VT1612A */ 1739 .name = "Soltek SL-75DRV5", 1740 .type = AC97_TUNE_NONE 1741 }, 1742 { /* FIXME: which codec? */ 1743 .subvendor = 0x1106, 1744 .subdevice = 0x4161, 1745 .name = "ASRock K7VT2", 1746 .type = AC97_TUNE_HP_ONLY 1747 }, 1748 { 1749 .subvendor = 0x1019, 1750 .subdevice = 0x0a81, 1751 .name = "ECS K7VTA3", 1752 .type = AC97_TUNE_HP_ONLY 1753 }, 1754 { 1755 .subvendor = 0x1019, 1756 .subdevice = 0x0a85, 1757 .name = "ECS L7VMM2", 1758 .type = AC97_TUNE_HP_ONLY 1759 }, 1760 { 1761 .subvendor = 0x1019, 1762 .subdevice = 0x1841, 1763 .name = "ECS K7VTA3", 1764 .type = AC97_TUNE_HP_ONLY 1765 }, 1766 { 1767 .subvendor = 0x1849, 1768 .subdevice = 0x3059, 1769 .name = "ASRock K7VM2", 1770 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1771 }, 1772 { 1773 .subvendor = 0x14cd, 1774 .subdevice = 0x7002, 1775 .name = "Unknown", 1776 .type = AC97_TUNE_ALC_JACK 1777 }, 1778 { 1779 .subvendor = 0x1071, 1780 .subdevice = 0x8590, 1781 .name = "Mitac Mobo", 1782 .type = AC97_TUNE_ALC_JACK 1783 }, 1784 { 1785 .subvendor = 0x161f, 1786 .subdevice = 0x202b, 1787 .name = "Arima Notebook", 1788 .type = AC97_TUNE_HP_ONLY, 1789 }, 1790 { 1791 .subvendor = 0x161f, 1792 .subdevice = 0x2032, 1793 .name = "Targa Traveller 811", 1794 .type = AC97_TUNE_HP_ONLY, 1795 }, 1796 { 1797 .subvendor = 0x161f, 1798 .subdevice = 0x2032, 1799 .name = "m680x", 1800 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1801 }, 1802 { 1803 .subvendor = 0x1297, 1804 .subdevice = 0xa232, 1805 .name = "Shuttle AK32VN", 1806 .type = AC97_TUNE_HP_ONLY 1807 }, 1808 { } /* terminator */ 1809 }; 1810 1811 static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1812 { 1813 struct snd_ac97_template ac97; 1814 int err; 1815 static struct snd_ac97_bus_ops ops = { 1816 .write = snd_via82xx_codec_write, 1817 .read = snd_via82xx_codec_read, 1818 .wait = snd_via82xx_codec_wait, 1819 }; 1820 1821 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1822 return err; 1823 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1824 chip->ac97_bus->clock = chip->ac97_clock; 1825 1826 memset(&ac97, 0, sizeof(ac97)); 1827 ac97.private_data = chip; 1828 ac97.private_free = snd_via82xx_mixer_free_ac97; 1829 ac97.pci = chip->pci; 1830 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1831 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1832 return err; 1833 1834 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1835 1836 if (chip->chip_type != TYPE_VIA686) { 1837 /* use slot 10/11 */ 1838 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1839 } 1840 1841 return 0; 1842 } 1843 1844 #ifdef SUPPORT_JOYSTICK 1845 #define JOYSTICK_ADDR 0x200 1846 static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1847 { 1848 struct gameport *gp; 1849 struct resource *r; 1850 1851 if (!joystick) 1852 return -ENODEV; 1853 1854 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1855 if (!r) { 1856 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1857 JOYSTICK_ADDR); 1858 return -EBUSY; 1859 } 1860 1861 chip->gameport = gp = gameport_allocate_port(); 1862 if (!gp) { 1863 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1864 release_and_free_resource(r); 1865 return -ENOMEM; 1866 } 1867 1868 gameport_set_name(gp, "VIA686 Gameport"); 1869 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1870 gameport_set_dev_parent(gp, &chip->pci->dev); 1871 gp->io = JOYSTICK_ADDR; 1872 gameport_set_port_data(gp, r); 1873 1874 /* Enable legacy joystick port */ 1875 *legacy |= VIA_FUNC_ENABLE_GAME; 1876 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1877 1878 gameport_register_port(chip->gameport); 1879 1880 return 0; 1881 } 1882 1883 static void snd_via686_free_gameport(struct via82xx *chip) 1884 { 1885 if (chip->gameport) { 1886 struct resource *r = gameport_get_port_data(chip->gameport); 1887 1888 gameport_unregister_port(chip->gameport); 1889 chip->gameport = NULL; 1890 release_and_free_resource(r); 1891 } 1892 } 1893 #else 1894 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1895 { 1896 return -ENOSYS; 1897 } 1898 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1899 #endif 1900 1901 1902 /* 1903 * 1904 */ 1905 1906 static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1907 { 1908 int i, err, caps; 1909 unsigned char val; 1910 1911 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1912 for (i = 0; i < caps; i++) { 1913 snd_via8233_capture_source.index = i; 1914 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1915 if (err < 0) 1916 return err; 1917 } 1918 if (ac97_can_spdif(chip->ac97)) { 1919 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1920 if (err < 0) 1921 return err; 1922 } 1923 if (chip->chip_type != TYPE_VIA8233A) { 1924 /* when no h/w PCM volume control is found, use DXS volume control 1925 * as the PCM vol control 1926 */ 1927 struct snd_ctl_elem_id sid; 1928 memset(&sid, 0, sizeof(sid)); 1929 strcpy(sid.name, "PCM Playback Volume"); 1930 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1931 if (! snd_ctl_find_id(chip->card, &sid)) { 1932 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1933 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1934 if (err < 0) 1935 return err; 1936 } 1937 else /* Using DXS when PCM emulation is enabled is really weird */ 1938 { 1939 /* Standalone DXS controls */ 1940 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1941 if (err < 0) 1942 return err; 1943 } 1944 } 1945 /* select spdif data slot 10/11 */ 1946 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1947 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1948 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1949 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1950 1951 return 0; 1952 } 1953 1954 static int __devinit snd_via686_init_misc(struct via82xx *chip) 1955 { 1956 unsigned char legacy, legacy_cfg; 1957 int rev_h = 0; 1958 1959 legacy = chip->old_legacy; 1960 legacy_cfg = chip->old_legacy_cfg; 1961 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1962 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1963 if (chip->revision >= VIA_REV_686_H) { 1964 rev_h = 1; 1965 if (mpu_port >= 0x200) { /* force MIDI */ 1966 mpu_port &= 0xfffc; 1967 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 1968 #ifdef CONFIG_PM 1969 chip->mpu_port_saved = mpu_port; 1970 #endif 1971 } else { 1972 mpu_port = pci_resource_start(chip->pci, 2); 1973 } 1974 } else { 1975 switch (mpu_port) { /* force MIDI */ 1976 case 0x300: 1977 case 0x310: 1978 case 0x320: 1979 case 0x330: 1980 legacy_cfg &= ~(3 << 2); 1981 legacy_cfg |= (mpu_port & 0x0030) >> 2; 1982 break; 1983 default: /* no, use BIOS settings */ 1984 if (legacy & VIA_FUNC_ENABLE_MIDI) 1985 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 1986 break; 1987 } 1988 } 1989 if (mpu_port >= 0x200 && 1990 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 1991 != NULL) { 1992 if (rev_h) 1993 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1994 legacy |= VIA_FUNC_ENABLE_MIDI; 1995 } else { 1996 if (rev_h) 1997 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1998 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1999 mpu_port = 0; 2000 } 2001 2002 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2003 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2004 if (chip->mpu_res) { 2005 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2006 mpu_port, MPU401_INFO_INTEGRATED, 2007 chip->irq, 0, &chip->rmidi) < 0) { 2008 printk(KERN_WARNING "unable to initialize MPU-401" 2009 " at 0x%lx, skipping\n", mpu_port); 2010 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2011 } else { 2012 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2013 } 2014 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2015 } 2016 2017 snd_via686_create_gameport(chip, &legacy); 2018 2019 #ifdef CONFIG_PM 2020 chip->legacy_saved = legacy; 2021 chip->legacy_cfg_saved = legacy_cfg; 2022 #endif 2023 2024 return 0; 2025 } 2026 2027 2028 /* 2029 * proc interface 2030 */ 2031 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2032 struct snd_info_buffer *buffer) 2033 { 2034 struct via82xx *chip = entry->private_data; 2035 int i; 2036 2037 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2038 for (i = 0; i < 0xa0; i += 4) { 2039 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2040 } 2041 } 2042 2043 static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2044 { 2045 struct snd_info_entry *entry; 2046 2047 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2048 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2049 } 2050 2051 /* 2052 * 2053 */ 2054 2055 static int snd_via82xx_chip_init(struct via82xx *chip) 2056 { 2057 unsigned int val; 2058 unsigned long end_time; 2059 unsigned char pval; 2060 2061 #if 0 /* broken on K7M? */ 2062 if (chip->chip_type == TYPE_VIA686) 2063 /* disable all legacy ports */ 2064 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2065 #endif 2066 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2067 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2068 /* deassert ACLink reset, force SYNC */ 2069 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2070 VIA_ACLINK_CTRL_ENABLE | 2071 VIA_ACLINK_CTRL_RESET | 2072 VIA_ACLINK_CTRL_SYNC); 2073 udelay(100); 2074 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2075 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2076 udelay(100); 2077 #else 2078 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2079 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2080 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2081 udelay(2); 2082 #endif 2083 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2084 /* note - FM data out has trouble with non VRA codecs !! */ 2085 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2086 udelay(100); 2087 } 2088 2089 /* Make sure VRA is enabled, in case we didn't do a 2090 * complete codec reset, above */ 2091 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2092 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2093 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2094 /* note - FM data out has trouble with non VRA codecs !! */ 2095 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2096 udelay(100); 2097 } 2098 2099 /* wait until codec ready */ 2100 end_time = jiffies + msecs_to_jiffies(750); 2101 do { 2102 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2103 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2104 break; 2105 schedule_timeout_uninterruptible(1); 2106 } while (time_before(jiffies, end_time)); 2107 2108 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2109 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2110 2111 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2112 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2113 VIA_REG_AC97_SECONDARY_VALID | 2114 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2115 end_time = jiffies + msecs_to_jiffies(750); 2116 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2117 VIA_REG_AC97_SECONDARY_VALID | 2118 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2119 do { 2120 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2121 chip->ac97_secondary = 1; 2122 goto __ac97_ok2; 2123 } 2124 schedule_timeout_uninterruptible(1); 2125 } while (time_before(jiffies, end_time)); 2126 /* This is ok, the most of motherboards have only one codec */ 2127 2128 __ac97_ok2: 2129 #endif 2130 2131 if (chip->chip_type == TYPE_VIA686) { 2132 /* route FM trap to IRQ, disable FM trap */ 2133 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2134 /* disable all GPI interrupts */ 2135 outl(0, VIAREG(chip, GPI_INTR)); 2136 } 2137 2138 if (chip->chip_type != TYPE_VIA686) { 2139 /* Workaround for Award BIOS bug: 2140 * DXS channels don't work properly with VRA if MC97 is disabled. 2141 */ 2142 struct pci_dev *pci; 2143 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2144 if (pci) { 2145 unsigned char data; 2146 pci_read_config_byte(pci, 0x44, &data); 2147 pci_write_config_byte(pci, 0x44, data | 0x40); 2148 pci_dev_put(pci); 2149 } 2150 } 2151 2152 if (chip->chip_type != TYPE_VIA8233A) { 2153 int i, idx; 2154 for (idx = 0; idx < 4; idx++) { 2155 unsigned long port = chip->port + 0x10 * idx; 2156 for (i = 0; i < 2; i++) { 2157 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2158 outb(chip->playback_volume_c[i], 2159 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2160 } 2161 } 2162 } 2163 2164 return 0; 2165 } 2166 2167 #ifdef CONFIG_PM 2168 /* 2169 * power management 2170 */ 2171 static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2172 { 2173 struct snd_card *card = pci_get_drvdata(pci); 2174 struct via82xx *chip = card->private_data; 2175 int i; 2176 2177 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2178 for (i = 0; i < 2; i++) 2179 snd_pcm_suspend_all(chip->pcms[i]); 2180 for (i = 0; i < chip->num_devs; i++) 2181 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2182 synchronize_irq(chip->irq); 2183 snd_ac97_suspend(chip->ac97); 2184 2185 /* save misc values */ 2186 if (chip->chip_type != TYPE_VIA686) { 2187 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2188 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2189 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2190 } 2191 2192 pci_disable_device(pci); 2193 pci_save_state(pci); 2194 pci_set_power_state(pci, pci_choose_state(pci, state)); 2195 return 0; 2196 } 2197 2198 static int snd_via82xx_resume(struct pci_dev *pci) 2199 { 2200 struct snd_card *card = pci_get_drvdata(pci); 2201 struct via82xx *chip = card->private_data; 2202 int i; 2203 2204 pci_set_power_state(pci, PCI_D0); 2205 pci_restore_state(pci); 2206 if (pci_enable_device(pci) < 0) { 2207 printk(KERN_ERR "via82xx: pci_enable_device failed, " 2208 "disabling device\n"); 2209 snd_card_disconnect(card); 2210 return -EIO; 2211 } 2212 pci_set_master(pci); 2213 2214 snd_via82xx_chip_init(chip); 2215 2216 if (chip->chip_type == TYPE_VIA686) { 2217 if (chip->mpu_port_saved) 2218 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2219 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2220 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2221 } else { 2222 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2223 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2224 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2225 } 2226 2227 snd_ac97_resume(chip->ac97); 2228 2229 for (i = 0; i < chip->num_devs; i++) 2230 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2231 2232 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2233 return 0; 2234 } 2235 #endif /* CONFIG_PM */ 2236 2237 static int snd_via82xx_free(struct via82xx *chip) 2238 { 2239 unsigned int i; 2240 2241 if (chip->irq < 0) 2242 goto __end_hw; 2243 /* disable interrupts */ 2244 for (i = 0; i < chip->num_devs; i++) 2245 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2246 2247 if (chip->irq >= 0) 2248 free_irq(chip->irq, chip); 2249 __end_hw: 2250 release_and_free_resource(chip->mpu_res); 2251 pci_release_regions(chip->pci); 2252 2253 if (chip->chip_type == TYPE_VIA686) { 2254 snd_via686_free_gameport(chip); 2255 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2256 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2257 } 2258 pci_disable_device(chip->pci); 2259 kfree(chip); 2260 return 0; 2261 } 2262 2263 static int snd_via82xx_dev_free(struct snd_device *device) 2264 { 2265 struct via82xx *chip = device->device_data; 2266 return snd_via82xx_free(chip); 2267 } 2268 2269 static int __devinit snd_via82xx_create(struct snd_card *card, 2270 struct pci_dev *pci, 2271 int chip_type, 2272 int revision, 2273 unsigned int ac97_clock, 2274 struct via82xx ** r_via) 2275 { 2276 struct via82xx *chip; 2277 int err; 2278 static struct snd_device_ops ops = { 2279 .dev_free = snd_via82xx_dev_free, 2280 }; 2281 2282 if ((err = pci_enable_device(pci)) < 0) 2283 return err; 2284 2285 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2286 pci_disable_device(pci); 2287 return -ENOMEM; 2288 } 2289 2290 chip->chip_type = chip_type; 2291 chip->revision = revision; 2292 2293 spin_lock_init(&chip->reg_lock); 2294 spin_lock_init(&chip->rates[0].lock); 2295 spin_lock_init(&chip->rates[1].lock); 2296 chip->card = card; 2297 chip->pci = pci; 2298 chip->irq = -1; 2299 2300 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2301 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2302 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2303 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2304 2305 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2306 kfree(chip); 2307 pci_disable_device(pci); 2308 return err; 2309 } 2310 chip->port = pci_resource_start(pci, 0); 2311 if (request_irq(pci->irq, 2312 chip_type == TYPE_VIA8233 ? 2313 snd_via8233_interrupt : snd_via686_interrupt, 2314 IRQF_SHARED, 2315 card->driver, chip)) { 2316 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2317 snd_via82xx_free(chip); 2318 return -EBUSY; 2319 } 2320 chip->irq = pci->irq; 2321 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2322 chip->ac97_clock = ac97_clock; 2323 synchronize_irq(chip->irq); 2324 2325 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2326 snd_via82xx_free(chip); 2327 return err; 2328 } 2329 2330 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2331 snd_via82xx_free(chip); 2332 return err; 2333 } 2334 2335 /* The 8233 ac97 controller does not implement the master bit 2336 * in the pci command register. IMHO this is a violation of the PCI spec. 2337 * We call pci_set_master here because it does not hurt. */ 2338 pci_set_master(pci); 2339 2340 snd_card_set_dev(card, &pci->dev); 2341 2342 *r_via = chip; 2343 return 0; 2344 } 2345 2346 struct via823x_info { 2347 int revision; 2348 char *name; 2349 int type; 2350 }; 2351 static struct via823x_info via823x_cards[] __devinitdata = { 2352 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2353 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2354 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2355 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2356 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2357 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2358 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2359 }; 2360 2361 /* 2362 * auto detection of DXS channel supports. 2363 */ 2364 2365 static struct snd_pci_quirk dxs_whitelist[] __devinitdata = { 2366 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2367 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2368 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2369 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2370 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2371 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2372 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2373 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2374 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2375 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2376 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2377 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2378 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2379 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2380 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2381 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2382 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2383 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2384 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2385 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2386 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2387 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2388 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2389 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2390 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2391 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2392 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2393 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2394 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2395 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2396 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2397 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2398 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2399 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2400 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2401 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2402 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2403 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2404 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2405 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2406 { } /* terminator */ 2407 }; 2408 2409 static int __devinit check_dxs_list(struct pci_dev *pci, int revision) 2410 { 2411 const struct snd_pci_quirk *w; 2412 2413 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2414 if (w) { 2415 snd_printdd(KERN_INFO "via82xx: DXS white list for %s found\n", 2416 w->name); 2417 return w->value; 2418 } 2419 2420 /* for newer revision, default to DXS_SRC */ 2421 if (revision >= VIA_REV_8235) 2422 return VIA_DXS_SRC; 2423 2424 /* 2425 * not detected, try 48k rate only to be sure. 2426 */ 2427 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2428 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2429 printk(KERN_INFO " and report if it works on your machine.\n"); 2430 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2431 return VIA_DXS_48K; 2432 }; 2433 2434 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2435 const struct pci_device_id *pci_id) 2436 { 2437 struct snd_card *card; 2438 struct via82xx *chip; 2439 int chip_type = 0, card_type; 2440 unsigned int i; 2441 int err; 2442 2443 err = snd_card_create(index, id, THIS_MODULE, 0, &card); 2444 if (err < 0) 2445 return err; 2446 2447 card_type = pci_id->driver_data; 2448 switch (card_type) { 2449 case TYPE_CARD_VIA686: 2450 strcpy(card->driver, "VIA686A"); 2451 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2452 chip_type = TYPE_VIA686; 2453 break; 2454 case TYPE_CARD_VIA8233: 2455 chip_type = TYPE_VIA8233; 2456 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2457 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2458 if (pci->revision == via823x_cards[i].revision) { 2459 chip_type = via823x_cards[i].type; 2460 strcpy(card->shortname, via823x_cards[i].name); 2461 break; 2462 } 2463 } 2464 if (chip_type != TYPE_VIA8233A) { 2465 if (dxs_support == VIA_DXS_AUTO) 2466 dxs_support = check_dxs_list(pci, pci->revision); 2467 /* force to use VIA8233 or 8233A model according to 2468 * dxs_support module option 2469 */ 2470 if (dxs_support == VIA_DXS_DISABLE) 2471 chip_type = TYPE_VIA8233A; 2472 else 2473 chip_type = TYPE_VIA8233; 2474 } 2475 if (chip_type == TYPE_VIA8233A) 2476 strcpy(card->driver, "VIA8233A"); 2477 else if (pci->revision >= VIA_REV_8237) 2478 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2479 else 2480 strcpy(card->driver, "VIA8233"); 2481 break; 2482 default: 2483 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2484 err = -EINVAL; 2485 goto __error; 2486 } 2487 2488 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2489 ac97_clock, &chip)) < 0) 2490 goto __error; 2491 card->private_data = chip; 2492 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2493 goto __error; 2494 2495 if (chip_type == TYPE_VIA686) { 2496 if ((err = snd_via686_pcm_new(chip)) < 0 || 2497 (err = snd_via686_init_misc(chip)) < 0) 2498 goto __error; 2499 } else { 2500 if (chip_type == TYPE_VIA8233A) { 2501 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2502 goto __error; 2503 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2504 } else { 2505 if ((err = snd_via8233_pcm_new(chip)) < 0) 2506 goto __error; 2507 if (dxs_support == VIA_DXS_48K) 2508 chip->dxs_fixed = 1; 2509 else if (dxs_support == VIA_DXS_NO_VRA) 2510 chip->no_vra = 1; 2511 else if (dxs_support == VIA_DXS_SRC) { 2512 chip->no_vra = 1; 2513 chip->dxs_src = 1; 2514 } 2515 } 2516 if ((err = snd_via8233_init_misc(chip)) < 0) 2517 goto __error; 2518 } 2519 2520 /* disable interrupts */ 2521 for (i = 0; i < chip->num_devs; i++) 2522 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2523 2524 snprintf(card->longname, sizeof(card->longname), 2525 "%s with %s at %#lx, irq %d", card->shortname, 2526 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2527 2528 snd_via82xx_proc_init(chip); 2529 2530 if ((err = snd_card_register(card)) < 0) { 2531 snd_card_free(card); 2532 return err; 2533 } 2534 pci_set_drvdata(pci, card); 2535 return 0; 2536 2537 __error: 2538 snd_card_free(card); 2539 return err; 2540 } 2541 2542 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2543 { 2544 snd_card_free(pci_get_drvdata(pci)); 2545 pci_set_drvdata(pci, NULL); 2546 } 2547 2548 static struct pci_driver driver = { 2549 .name = "VIA 82xx Audio", 2550 .id_table = snd_via82xx_ids, 2551 .probe = snd_via82xx_probe, 2552 .remove = __devexit_p(snd_via82xx_remove), 2553 #ifdef CONFIG_PM 2554 .suspend = snd_via82xx_suspend, 2555 .resume = snd_via82xx_resume, 2556 #endif 2557 }; 2558 2559 static int __init alsa_card_via82xx_init(void) 2560 { 2561 return pci_register_driver(&driver); 2562 } 2563 2564 static void __exit alsa_card_via82xx_exit(void) 2565 { 2566 pci_unregister_driver(&driver); 2567 } 2568 2569 module_init(alsa_card_via82xx_init) 2570 module_exit(alsa_card_via82xx_exit) 2571