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 <linux/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/module.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 IS_REACHABLE(CONFIG_GAMEPORT) 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 bool joystick; 84 #endif 85 static int ac97_clock = 48000; 86 static char *ac97_quirk; 87 static int dxs_support; 88 static int dxs_init_volume = 31; 89 static int nodelay; 90 91 module_param(index, int, 0444); 92 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 93 module_param(id, charp, 0444); 94 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 95 module_param_hw(mpu_port, long, ioport, 0444); 96 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 97 #ifdef SUPPORT_JOYSTICK 98 module_param(joystick, bool, 0444); 99 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 100 #endif 101 module_param(ac97_clock, int, 0444); 102 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 103 module_param(ac97_quirk, charp, 0444); 104 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 105 module_param(dxs_support, int, 0444); 106 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)"); 107 module_param(dxs_init_volume, int, 0644); 108 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 109 module_param(nodelay, int, 0444); 110 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 111 112 /* just for backward compatibility */ 113 static bool enable; 114 module_param(enable, bool, 0444); 115 116 117 /* revision numbers for via686 */ 118 #define VIA_REV_686_A 0x10 119 #define VIA_REV_686_B 0x11 120 #define VIA_REV_686_C 0x12 121 #define VIA_REV_686_D 0x13 122 #define VIA_REV_686_E 0x14 123 #define VIA_REV_686_H 0x20 124 125 /* revision numbers for via8233 */ 126 #define VIA_REV_PRE_8233 0x10 /* not in market */ 127 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 128 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 129 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 130 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 131 #define VIA_REV_8237 0x60 132 #define VIA_REV_8251 0x70 133 134 /* 135 * Direct registers 136 */ 137 138 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 139 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 140 141 /* common offsets */ 142 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 143 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 144 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 145 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 146 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 147 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 148 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 149 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 150 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 151 #define VIA_REG_CTRL_START 0x80 /* WO */ 152 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 153 #define VIA_REG_CTRL_AUTOSTART 0x20 154 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 155 #define VIA_REG_CTRL_INT_STOP 0x04 156 #define VIA_REG_CTRL_INT_EOL 0x02 157 #define VIA_REG_CTRL_INT_FLAG 0x01 158 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 159 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 160 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 161 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 162 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 163 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 164 #define VIA_REG_TYPE_INT_LLINE 0x00 165 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 166 #define VIA_REG_TYPE_INT_LESSONE 0x08 167 #define VIA_REG_TYPE_INT_MASK 0x0c 168 #define VIA_REG_TYPE_INT_EOL 0x02 169 #define VIA_REG_TYPE_INT_FLAG 0x01 170 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 171 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 172 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 173 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 174 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 175 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 176 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 177 178 #define DEFINE_VIA_REGSET(name,val) \ 179 enum {\ 180 VIA_REG_##name##_STATUS = (val),\ 181 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 182 VIA_REG_##name##_TYPE = (val) + 0x02,\ 183 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 184 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 185 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 186 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 187 } 188 189 /* playback block */ 190 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 191 DEFINE_VIA_REGSET(CAPTURE, 0x10); 192 DEFINE_VIA_REGSET(FM, 0x20); 193 194 /* AC'97 */ 195 #define VIA_REG_AC97 0x80 /* dword */ 196 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 197 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 198 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 199 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 200 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 201 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 202 #define VIA_REG_AC97_BUSY (1<<24) 203 #define VIA_REG_AC97_READ (1<<23) 204 #define VIA_REG_AC97_CMD_SHIFT 16 205 #define VIA_REG_AC97_CMD_MASK 0x7e 206 #define VIA_REG_AC97_DATA_SHIFT 0 207 #define VIA_REG_AC97_DATA_MASK 0xffff 208 209 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 210 /* via686 */ 211 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 212 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 213 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 214 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 215 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 216 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 217 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 218 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 219 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 220 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 221 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 222 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 223 /* via8233 */ 224 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 225 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 226 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 227 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 228 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 229 #define VIA8233_REG_SGD_CHAN_SDX 0 230 #define VIA8233_REG_SGD_CHAN_MULTI 4 231 #define VIA8233_REG_SGD_CHAN_REC 6 232 #define VIA8233_REG_SGD_CHAN_REC1 7 233 234 #define VIA_REG_GPI_STATUS 0x88 235 #define VIA_REG_GPI_INTR 0x8c 236 237 /* multi-channel and capture registers for via8233 */ 238 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 239 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 240 241 /* via8233-specific registers */ 242 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 243 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 244 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 245 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 246 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 247 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 248 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 249 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 250 251 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 252 253 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 254 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 255 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 256 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 257 258 #define VIA_TBL_BIT_FLAG 0x40000000 259 #define VIA_TBL_BIT_EOL 0x80000000 260 261 /* pci space */ 262 #define VIA_ACLINK_STAT 0x40 263 #define VIA_ACLINK_C11_READY 0x20 264 #define VIA_ACLINK_C10_READY 0x10 265 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 266 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 267 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 268 #define VIA_ACLINK_CTRL 0x41 269 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 270 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 271 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 272 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 273 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 274 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 275 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 276 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 277 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 278 VIA_ACLINK_CTRL_RESET|\ 279 VIA_ACLINK_CTRL_PCM|\ 280 VIA_ACLINK_CTRL_VRA) 281 #define VIA_FUNC_ENABLE 0x42 282 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 283 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 284 #define VIA_FUNC_RX2C_WRITE 0x20 285 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 286 #define VIA_FUNC_ENABLE_GAME 0x08 287 #define VIA_FUNC_ENABLE_FM 0x04 288 #define VIA_FUNC_ENABLE_MIDI 0x02 289 #define VIA_FUNC_ENABLE_SB 0x01 290 #define VIA_PNP_CONTROL 0x43 291 #define VIA_FM_NMI_CTRL 0x48 292 #define VIA8233_VOLCHG_CTRL 0x48 293 #define VIA8233_SPDIF_CTRL 0x49 294 #define VIA8233_SPDIF_DX3 0x08 295 #define VIA8233_SPDIF_SLOT_MASK 0x03 296 #define VIA8233_SPDIF_SLOT_1011 0x00 297 #define VIA8233_SPDIF_SLOT_34 0x01 298 #define VIA8233_SPDIF_SLOT_78 0x02 299 #define VIA8233_SPDIF_SLOT_69 0x03 300 301 /* 302 */ 303 304 #define VIA_DXS_AUTO 0 305 #define VIA_DXS_ENABLE 1 306 #define VIA_DXS_DISABLE 2 307 #define VIA_DXS_48K 3 308 #define VIA_DXS_NO_VRA 4 309 #define VIA_DXS_SRC 5 310 311 312 /* 313 * pcm stream 314 */ 315 316 struct snd_via_sg_table { 317 unsigned int offset; 318 unsigned int size; 319 } ; 320 321 #define VIA_TABLE_SIZE 255 322 #define VIA_MAX_BUFSIZE (1<<24) 323 324 struct viadev { 325 unsigned int reg_offset; 326 unsigned long port; 327 int direction; /* playback = 0, capture = 1 */ 328 struct snd_pcm_substream *substream; 329 int running; 330 unsigned int tbl_entries; /* # descriptors */ 331 struct snd_dma_buffer table; 332 struct snd_via_sg_table *idx_table; 333 /* for recovery from the unexpected pointer */ 334 unsigned int lastpos; 335 unsigned int fragsize; 336 unsigned int bufsize; 337 unsigned int bufsize2; 338 int hwptr_done; /* processed frame position in the buffer */ 339 int in_interrupt; 340 int shadow_shift; 341 }; 342 343 344 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 345 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 346 347 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 348 349 struct via_rate_lock { 350 spinlock_t lock; 351 int rate; 352 int used; 353 }; 354 355 struct via82xx { 356 int irq; 357 358 unsigned long port; 359 struct resource *mpu_res; 360 int chip_type; 361 unsigned char revision; 362 363 unsigned char old_legacy; 364 unsigned char old_legacy_cfg; 365 #ifdef CONFIG_PM_SLEEP 366 unsigned char legacy_saved; 367 unsigned char legacy_cfg_saved; 368 unsigned char spdif_ctrl_saved; 369 unsigned char capture_src_saved[2]; 370 unsigned int mpu_port_saved; 371 #endif 372 373 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 374 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 375 376 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 377 378 struct pci_dev *pci; 379 struct snd_card *card; 380 381 unsigned int num_devs; 382 unsigned int playback_devno, multi_devno, capture_devno; 383 struct viadev devs[VIA_MAX_DEVS]; 384 struct via_rate_lock rates[2]; /* playback and capture */ 385 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 386 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 387 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 388 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 389 390 struct snd_pcm *pcms[2]; 391 struct snd_rawmidi *rmidi; 392 struct snd_kcontrol *dxs_controls[4]; 393 394 struct snd_ac97_bus *ac97_bus; 395 struct snd_ac97 *ac97; 396 unsigned int ac97_clock; 397 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 398 399 spinlock_t reg_lock; 400 struct snd_info_entry *proc_entry; 401 402 #ifdef SUPPORT_JOYSTICK 403 struct gameport *gameport; 404 #endif 405 }; 406 407 static const struct pci_device_id snd_via82xx_ids[] = { 408 /* 0x1106, 0x3058 */ 409 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 410 /* 0x1106, 0x3059 */ 411 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 412 { 0, } 413 }; 414 415 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 416 417 /* 418 */ 419 420 /* 421 * allocate and initialize the descriptor buffers 422 * periods = number of periods 423 * fragsize = period size in bytes 424 */ 425 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 426 struct pci_dev *pci, 427 unsigned int periods, unsigned int fragsize) 428 { 429 unsigned int i, idx, ofs, rest; 430 struct via82xx *chip = snd_pcm_substream_chip(substream); 431 432 if (dev->table.area == NULL) { 433 /* the start of each lists must be aligned to 8 bytes, 434 * but the kernel pages are much bigger, so we don't care 435 */ 436 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 437 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 438 &dev->table) < 0) 439 return -ENOMEM; 440 } 441 if (! dev->idx_table) { 442 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 443 if (! dev->idx_table) 444 return -ENOMEM; 445 } 446 447 /* fill the entries */ 448 idx = 0; 449 ofs = 0; 450 for (i = 0; i < periods; i++) { 451 rest = fragsize; 452 /* fill descriptors for a period. 453 * a period can be split to several descriptors if it's 454 * over page boundary. 455 */ 456 do { 457 unsigned int r; 458 unsigned int flag; 459 unsigned int addr; 460 461 if (idx >= VIA_TABLE_SIZE) { 462 dev_err(&pci->dev, "too much table size!\n"); 463 return -EINVAL; 464 } 465 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 466 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 467 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 468 rest -= r; 469 if (! rest) { 470 if (i == periods - 1) 471 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 472 else 473 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 474 } else 475 flag = 0; /* period continues to the next */ 476 /* 477 dev_dbg(&pci->dev, 478 "tbl %d: at %d size %d (rest %d)\n", 479 idx, ofs, r, rest); 480 */ 481 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 482 dev->idx_table[idx].offset = ofs; 483 dev->idx_table[idx].size = r; 484 ofs += r; 485 idx++; 486 } while (rest > 0); 487 } 488 dev->tbl_entries = idx; 489 dev->bufsize = periods * fragsize; 490 dev->bufsize2 = dev->bufsize / 2; 491 dev->fragsize = fragsize; 492 return 0; 493 } 494 495 496 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 497 struct pci_dev *pci) 498 { 499 if (dev->table.area) { 500 snd_dma_free_pages(&dev->table); 501 dev->table.area = NULL; 502 } 503 kfree(dev->idx_table); 504 dev->idx_table = NULL; 505 return 0; 506 } 507 508 /* 509 * Basic I/O 510 */ 511 512 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 513 { 514 return inl(VIAREG(chip, AC97)); 515 } 516 517 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 518 { 519 outl(val, VIAREG(chip, AC97)); 520 } 521 522 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 523 { 524 unsigned int timeout = 1000; /* 1ms */ 525 unsigned int val; 526 527 while (timeout-- > 0) { 528 udelay(1); 529 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 530 return val & 0xffff; 531 } 532 dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", 533 secondary, snd_via82xx_codec_xread(chip)); 534 return -EIO; 535 } 536 537 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 538 { 539 unsigned int timeout = 1000; /* 1ms */ 540 unsigned int val, val1; 541 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 542 VIA_REG_AC97_SECONDARY_VALID; 543 544 while (timeout-- > 0) { 545 val = snd_via82xx_codec_xread(chip); 546 val1 = val & (VIA_REG_AC97_BUSY | stat); 547 if (val1 == stat) 548 return val & 0xffff; 549 udelay(1); 550 } 551 return -EIO; 552 } 553 554 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 555 { 556 struct via82xx *chip = ac97->private_data; 557 int err; 558 err = snd_via82xx_codec_ready(chip, ac97->num); 559 /* here we need to wait fairly for long time.. */ 560 if (!nodelay) 561 msleep(500); 562 } 563 564 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 565 unsigned short reg, 566 unsigned short val) 567 { 568 struct via82xx *chip = ac97->private_data; 569 unsigned int xval; 570 571 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 572 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 573 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 574 xval |= val << VIA_REG_AC97_DATA_SHIFT; 575 snd_via82xx_codec_xwrite(chip, xval); 576 snd_via82xx_codec_ready(chip, ac97->num); 577 } 578 579 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 580 { 581 struct via82xx *chip = ac97->private_data; 582 unsigned int xval, val = 0xffff; 583 int again = 0; 584 585 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 586 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 587 xval |= VIA_REG_AC97_READ; 588 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 589 while (1) { 590 if (again++ > 3) { 591 dev_err(chip->card->dev, 592 "codec_read: codec %i is not valid [0x%x]\n", 593 ac97->num, snd_via82xx_codec_xread(chip)); 594 return 0xffff; 595 } 596 snd_via82xx_codec_xwrite(chip, xval); 597 udelay (20); 598 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 599 udelay(25); 600 val = snd_via82xx_codec_xread(chip); 601 break; 602 } 603 } 604 return val & 0xffff; 605 } 606 607 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 608 { 609 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 610 VIADEV_REG(viadev, OFFSET_CONTROL)); 611 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 612 udelay(50); 613 /* disable interrupts */ 614 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 615 /* clear interrupts */ 616 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 617 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 618 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 619 viadev->lastpos = 0; 620 viadev->hwptr_done = 0; 621 } 622 623 624 /* 625 * Interrupt handler 626 * Used for 686 and 8233A 627 */ 628 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 629 { 630 struct via82xx *chip = dev_id; 631 unsigned int status; 632 unsigned int i; 633 634 status = inl(VIAREG(chip, SGD_SHADOW)); 635 if (! (status & chip->intr_mask)) { 636 if (chip->rmidi) 637 /* check mpu401 interrupt */ 638 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 639 return IRQ_NONE; 640 } 641 642 /* check status for each stream */ 643 spin_lock(&chip->reg_lock); 644 for (i = 0; i < chip->num_devs; i++) { 645 struct viadev *viadev = &chip->devs[i]; 646 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 647 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 648 continue; 649 if (viadev->substream && viadev->running) { 650 /* 651 * Update hwptr_done based on 'period elapsed' 652 * interrupts. We'll use it, when the chip returns 0 653 * for OFFSET_CURR_COUNT. 654 */ 655 if (c_status & VIA_REG_STAT_EOL) 656 viadev->hwptr_done = 0; 657 else 658 viadev->hwptr_done += viadev->fragsize; 659 viadev->in_interrupt = c_status; 660 spin_unlock(&chip->reg_lock); 661 snd_pcm_period_elapsed(viadev->substream); 662 spin_lock(&chip->reg_lock); 663 viadev->in_interrupt = 0; 664 } 665 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 666 } 667 spin_unlock(&chip->reg_lock); 668 return IRQ_HANDLED; 669 } 670 671 /* 672 * Interrupt handler 673 */ 674 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 675 { 676 struct via82xx *chip = dev_id; 677 unsigned int status; 678 unsigned int i; 679 int irqreturn = 0; 680 681 /* check status for each stream */ 682 spin_lock(&chip->reg_lock); 683 status = inl(VIAREG(chip, SGD_SHADOW)); 684 685 for (i = 0; i < chip->num_devs; i++) { 686 struct viadev *viadev = &chip->devs[i]; 687 struct snd_pcm_substream *substream; 688 unsigned char c_status, shadow_status; 689 690 shadow_status = (status >> viadev->shadow_shift) & 691 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 692 VIA_REG_STAT_FLAG); 693 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 694 if (!c_status) 695 continue; 696 697 substream = viadev->substream; 698 if (substream && viadev->running) { 699 /* 700 * Update hwptr_done based on 'period elapsed' 701 * interrupts. We'll use it, when the chip returns 0 702 * for OFFSET_CURR_COUNT. 703 */ 704 if (c_status & VIA_REG_STAT_EOL) 705 viadev->hwptr_done = 0; 706 else 707 viadev->hwptr_done += viadev->fragsize; 708 viadev->in_interrupt = c_status; 709 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 710 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 711 spin_unlock(&chip->reg_lock); 712 713 snd_pcm_period_elapsed(substream); 714 715 spin_lock(&chip->reg_lock); 716 viadev->in_interrupt = 0; 717 } 718 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 719 irqreturn = 1; 720 } 721 spin_unlock(&chip->reg_lock); 722 return IRQ_RETVAL(irqreturn); 723 } 724 725 /* 726 * PCM callbacks 727 */ 728 729 /* 730 * trigger callback 731 */ 732 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 733 { 734 struct via82xx *chip = snd_pcm_substream_chip(substream); 735 struct viadev *viadev = substream->runtime->private_data; 736 unsigned char val; 737 738 if (chip->chip_type != TYPE_VIA686) 739 val = VIA_REG_CTRL_INT; 740 else 741 val = 0; 742 switch (cmd) { 743 case SNDRV_PCM_TRIGGER_START: 744 case SNDRV_PCM_TRIGGER_RESUME: 745 val |= VIA_REG_CTRL_START; 746 viadev->running = 1; 747 break; 748 case SNDRV_PCM_TRIGGER_STOP: 749 case SNDRV_PCM_TRIGGER_SUSPEND: 750 val = VIA_REG_CTRL_TERMINATE; 751 viadev->running = 0; 752 break; 753 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 754 val |= VIA_REG_CTRL_PAUSE; 755 viadev->running = 0; 756 break; 757 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 758 viadev->running = 1; 759 break; 760 default: 761 return -EINVAL; 762 } 763 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 764 if (cmd == SNDRV_PCM_TRIGGER_STOP) 765 snd_via82xx_channel_reset(chip, viadev); 766 return 0; 767 } 768 769 770 /* 771 * pointer callbacks 772 */ 773 774 /* 775 * calculate the linear position at the given sg-buffer index and the rest count 776 */ 777 778 #define check_invalid_pos(viadev,pos) \ 779 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 780 viadev->lastpos < viadev->bufsize2)) 781 782 static inline unsigned int calc_linear_pos(struct via82xx *chip, 783 struct viadev *viadev, 784 unsigned int idx, 785 unsigned int count) 786 { 787 unsigned int size, base, res; 788 789 size = viadev->idx_table[idx].size; 790 base = viadev->idx_table[idx].offset; 791 res = base + size - count; 792 if (res >= viadev->bufsize) 793 res -= viadev->bufsize; 794 795 /* check the validity of the calculated position */ 796 if (size < count) { 797 dev_dbg(chip->card->dev, 798 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 799 (int)size, (int)count); 800 res = viadev->lastpos; 801 } else { 802 if (! count) { 803 /* Some mobos report count = 0 on the DMA boundary, 804 * i.e. count = size indeed. 805 * Let's check whether this step is above the expected size. 806 */ 807 int delta = res - viadev->lastpos; 808 if (delta < 0) 809 delta += viadev->bufsize; 810 if ((unsigned int)delta > viadev->fragsize) 811 res = base; 812 } 813 if (check_invalid_pos(viadev, res)) { 814 #ifdef POINTER_DEBUG 815 dev_dbg(chip->card->dev, 816 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 817 idx, viadev->tbl_entries, 818 viadev->lastpos, viadev->bufsize2, 819 viadev->idx_table[idx].offset, 820 viadev->idx_table[idx].size, count); 821 #endif 822 /* count register returns full size when end of buffer is reached */ 823 res = base + size; 824 if (check_invalid_pos(viadev, res)) { 825 dev_dbg(chip->card->dev, 826 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 827 res = viadev->lastpos; 828 } 829 } 830 } 831 return res; 832 } 833 834 /* 835 * get the current pointer on via686 836 */ 837 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 838 { 839 struct via82xx *chip = snd_pcm_substream_chip(substream); 840 struct viadev *viadev = substream->runtime->private_data; 841 unsigned int idx, ptr, count, res; 842 843 if (snd_BUG_ON(!viadev->tbl_entries)) 844 return 0; 845 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 846 return 0; 847 848 spin_lock(&chip->reg_lock); 849 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 850 /* The via686a does not have the current index register, 851 * so we need to calculate the index from CURR_PTR. 852 */ 853 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 854 if (ptr <= (unsigned int)viadev->table.addr) 855 idx = 0; 856 else /* CURR_PTR holds the address + 8 */ 857 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 858 res = calc_linear_pos(chip, viadev, idx, count); 859 viadev->lastpos = res; /* remember the last position */ 860 spin_unlock(&chip->reg_lock); 861 862 return bytes_to_frames(substream->runtime, res); 863 } 864 865 /* 866 * get the current pointer on via823x 867 */ 868 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 869 { 870 struct via82xx *chip = snd_pcm_substream_chip(substream); 871 struct viadev *viadev = substream->runtime->private_data; 872 unsigned int idx, count, res; 873 int status; 874 875 if (snd_BUG_ON(!viadev->tbl_entries)) 876 return 0; 877 878 spin_lock(&chip->reg_lock); 879 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 880 status = viadev->in_interrupt; 881 if (!status) 882 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 883 884 /* An apparent bug in the 8251 is worked around by sending a 885 * REG_CTRL_START. */ 886 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 887 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 888 889 if (!(status & VIA_REG_STAT_ACTIVE)) { 890 res = 0; 891 goto unlock; 892 } 893 if (count & 0xffffff) { 894 idx = count >> 24; 895 if (idx >= viadev->tbl_entries) { 896 #ifdef POINTER_DEBUG 897 dev_dbg(chip->card->dev, 898 "fail: invalid idx = %i/%i\n", idx, 899 viadev->tbl_entries); 900 #endif 901 res = viadev->lastpos; 902 } else { 903 count &= 0xffffff; 904 res = calc_linear_pos(chip, viadev, idx, count); 905 } 906 } else { 907 res = viadev->hwptr_done; 908 if (!viadev->in_interrupt) { 909 if (status & VIA_REG_STAT_EOL) { 910 res = 0; 911 } else 912 if (status & VIA_REG_STAT_FLAG) { 913 res += viadev->fragsize; 914 } 915 } 916 } 917 unlock: 918 viadev->lastpos = res; 919 spin_unlock(&chip->reg_lock); 920 921 return bytes_to_frames(substream->runtime, res); 922 } 923 924 925 /* 926 * hw_params callback: 927 * allocate the buffer and build up the buffer description table 928 */ 929 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 930 struct snd_pcm_hw_params *hw_params) 931 { 932 struct via82xx *chip = snd_pcm_substream_chip(substream); 933 struct viadev *viadev = substream->runtime->private_data; 934 int err; 935 936 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 937 if (err < 0) 938 return err; 939 err = build_via_table(viadev, substream, chip->pci, 940 params_periods(hw_params), 941 params_period_bytes(hw_params)); 942 if (err < 0) 943 return err; 944 945 return 0; 946 } 947 948 /* 949 * hw_free callback: 950 * clean up the buffer description table and release the buffer 951 */ 952 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 953 { 954 struct via82xx *chip = snd_pcm_substream_chip(substream); 955 struct viadev *viadev = substream->runtime->private_data; 956 957 clean_via_table(viadev, substream, chip->pci); 958 snd_pcm_lib_free_pages(substream); 959 return 0; 960 } 961 962 963 /* 964 * set up the table pointer 965 */ 966 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 967 { 968 snd_via82xx_codec_ready(chip, 0); 969 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 970 udelay(20); 971 snd_via82xx_codec_ready(chip, 0); 972 } 973 974 /* 975 * prepare callback for playback and capture on via686 976 */ 977 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 978 struct snd_pcm_runtime *runtime) 979 { 980 snd_via82xx_channel_reset(chip, viadev); 981 /* this must be set after channel_reset */ 982 snd_via82xx_set_table_ptr(chip, viadev); 983 outb(VIA_REG_TYPE_AUTOSTART | 984 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 985 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 986 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 987 VIA_REG_TYPE_INT_EOL | 988 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 989 } 990 991 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 992 { 993 struct via82xx *chip = snd_pcm_substream_chip(substream); 994 struct viadev *viadev = substream->runtime->private_data; 995 struct snd_pcm_runtime *runtime = substream->runtime; 996 997 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 998 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 999 via686_setup_format(chip, viadev, runtime); 1000 return 0; 1001 } 1002 1003 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 1004 { 1005 struct via82xx *chip = snd_pcm_substream_chip(substream); 1006 struct viadev *viadev = substream->runtime->private_data; 1007 struct snd_pcm_runtime *runtime = substream->runtime; 1008 1009 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1010 via686_setup_format(chip, viadev, runtime); 1011 return 0; 1012 } 1013 1014 /* 1015 * lock the current rate 1016 */ 1017 static int via_lock_rate(struct via_rate_lock *rec, int rate) 1018 { 1019 int changed = 0; 1020 1021 spin_lock_irq(&rec->lock); 1022 if (rec->rate != rate) { 1023 if (rec->rate && rec->used > 1) /* already set */ 1024 changed = -EINVAL; 1025 else { 1026 rec->rate = rate; 1027 changed = 1; 1028 } 1029 } 1030 spin_unlock_irq(&rec->lock); 1031 return changed; 1032 } 1033 1034 /* 1035 * prepare callback for DSX playback on via823x 1036 */ 1037 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1038 { 1039 struct via82xx *chip = snd_pcm_substream_chip(substream); 1040 struct viadev *viadev = substream->runtime->private_data; 1041 struct snd_pcm_runtime *runtime = substream->runtime; 1042 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1043 int rate_changed; 1044 u32 rbits; 1045 1046 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1047 return rate_changed; 1048 if (rate_changed) 1049 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1050 chip->no_vra ? 48000 : runtime->rate); 1051 if (chip->spdif_on && viadev->reg_offset == 0x30) 1052 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1053 1054 if (runtime->rate == 48000) 1055 rbits = 0xfffff; 1056 else 1057 rbits = (0x100000 / 48000) * runtime->rate + 1058 ((0x100000 % 48000) * runtime->rate) / 48000; 1059 snd_BUG_ON(rbits & ~0xfffff); 1060 snd_via82xx_channel_reset(chip, viadev); 1061 snd_via82xx_set_table_ptr(chip, viadev); 1062 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1063 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1064 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1065 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1066 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1067 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1068 rbits | /* rate */ 1069 0xff000000, /* STOP index is never reached */ 1070 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1071 udelay(20); 1072 snd_via82xx_codec_ready(chip, 0); 1073 return 0; 1074 } 1075 1076 /* 1077 * prepare callback for multi-channel playback on via823x 1078 */ 1079 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1080 { 1081 struct via82xx *chip = snd_pcm_substream_chip(substream); 1082 struct viadev *viadev = substream->runtime->private_data; 1083 struct snd_pcm_runtime *runtime = substream->runtime; 1084 unsigned int slots; 1085 int fmt; 1086 1087 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1088 return -EINVAL; 1089 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1090 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1091 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1092 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1093 snd_via82xx_channel_reset(chip, viadev); 1094 snd_via82xx_set_table_ptr(chip, viadev); 1095 1096 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1097 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1098 fmt |= runtime->channels << 4; 1099 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1100 #if 0 1101 if (chip->revision == VIA_REV_8233A) 1102 slots = 0; 1103 else 1104 #endif 1105 { 1106 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1107 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1108 switch (runtime->channels) { 1109 case 1: slots = (1<<0) | (1<<4); break; 1110 case 2: slots = (1<<0) | (2<<4); break; 1111 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1112 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1113 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1114 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1115 default: slots = 0; break; 1116 } 1117 } 1118 /* STOP index is never reached */ 1119 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1120 udelay(20); 1121 snd_via82xx_codec_ready(chip, 0); 1122 return 0; 1123 } 1124 1125 /* 1126 * prepare callback for capture on via823x 1127 */ 1128 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1129 { 1130 struct via82xx *chip = snd_pcm_substream_chip(substream); 1131 struct viadev *viadev = substream->runtime->private_data; 1132 struct snd_pcm_runtime *runtime = substream->runtime; 1133 1134 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1135 return -EINVAL; 1136 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1137 snd_via82xx_channel_reset(chip, viadev); 1138 snd_via82xx_set_table_ptr(chip, viadev); 1139 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1140 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1141 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1142 0xff000000, /* STOP index is never reached */ 1143 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1144 udelay(20); 1145 snd_via82xx_codec_ready(chip, 0); 1146 return 0; 1147 } 1148 1149 1150 /* 1151 * pcm hardware definition, identical for both playback and capture 1152 */ 1153 static const struct snd_pcm_hardware snd_via82xx_hw = 1154 { 1155 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1156 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1157 SNDRV_PCM_INFO_MMAP_VALID | 1158 /* SNDRV_PCM_INFO_RESUME | */ 1159 SNDRV_PCM_INFO_PAUSE), 1160 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1161 .rates = SNDRV_PCM_RATE_48000, 1162 .rate_min = 48000, 1163 .rate_max = 48000, 1164 .channels_min = 1, 1165 .channels_max = 2, 1166 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1167 .period_bytes_min = 32, 1168 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1169 .periods_min = 2, 1170 .periods_max = VIA_TABLE_SIZE / 2, 1171 .fifo_size = 0, 1172 }; 1173 1174 1175 /* 1176 * open callback skeleton 1177 */ 1178 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1179 struct snd_pcm_substream *substream) 1180 { 1181 struct snd_pcm_runtime *runtime = substream->runtime; 1182 int err; 1183 struct via_rate_lock *ratep; 1184 bool use_src = false; 1185 1186 runtime->hw = snd_via82xx_hw; 1187 1188 /* set the hw rate condition */ 1189 ratep = &chip->rates[viadev->direction]; 1190 spin_lock_irq(&ratep->lock); 1191 ratep->used++; 1192 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1193 /* DXS#3 and spdif is on */ 1194 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1195 snd_pcm_limit_hw_rates(runtime); 1196 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1197 /* fixed DXS playback rate */ 1198 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1199 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1200 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1201 /* use full SRC capabilities of DXS */ 1202 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1203 SNDRV_PCM_RATE_8000_48000); 1204 runtime->hw.rate_min = 8000; 1205 runtime->hw.rate_max = 48000; 1206 use_src = true; 1207 } else if (! ratep->rate) { 1208 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1209 runtime->hw.rates = chip->ac97->rates[idx]; 1210 snd_pcm_limit_hw_rates(runtime); 1211 } else { 1212 /* a fixed rate */ 1213 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1214 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1215 } 1216 spin_unlock_irq(&ratep->lock); 1217 1218 /* we may remove following constaint when we modify table entries 1219 in interrupt */ 1220 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1221 return err; 1222 1223 if (use_src) { 1224 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1225 if (err < 0) 1226 return err; 1227 } 1228 1229 runtime->private_data = viadev; 1230 viadev->substream = substream; 1231 1232 return 0; 1233 } 1234 1235 1236 /* 1237 * open callback for playback on via686 1238 */ 1239 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1240 { 1241 struct via82xx *chip = snd_pcm_substream_chip(substream); 1242 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1243 int err; 1244 1245 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1246 return err; 1247 return 0; 1248 } 1249 1250 /* 1251 * open callback for playback on via823x DXS 1252 */ 1253 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1254 { 1255 struct via82xx *chip = snd_pcm_substream_chip(substream); 1256 struct viadev *viadev; 1257 unsigned int stream; 1258 int err; 1259 1260 viadev = &chip->devs[chip->playback_devno + substream->number]; 1261 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1262 return err; 1263 stream = viadev->reg_offset / 0x10; 1264 if (chip->dxs_controls[stream]) { 1265 chip->playback_volume[stream][0] = 1266 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1267 chip->playback_volume[stream][1] = 1268 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1269 chip->dxs_controls[stream]->vd[0].access &= 1270 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1271 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1272 SNDRV_CTL_EVENT_MASK_INFO, 1273 &chip->dxs_controls[stream]->id); 1274 } 1275 return 0; 1276 } 1277 1278 /* 1279 * open callback for playback on via823x multi-channel 1280 */ 1281 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1282 { 1283 struct via82xx *chip = snd_pcm_substream_chip(substream); 1284 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1285 int err; 1286 /* channels constraint for VIA8233A 1287 * 3 and 5 channels are not supported 1288 */ 1289 static const unsigned int channels[] = { 1290 1, 2, 4, 6 1291 }; 1292 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1293 .count = ARRAY_SIZE(channels), 1294 .list = channels, 1295 .mask = 0, 1296 }; 1297 1298 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1299 return err; 1300 substream->runtime->hw.channels_max = 6; 1301 if (chip->revision == VIA_REV_8233A) 1302 snd_pcm_hw_constraint_list(substream->runtime, 0, 1303 SNDRV_PCM_HW_PARAM_CHANNELS, 1304 &hw_constraints_channels); 1305 return 0; 1306 } 1307 1308 /* 1309 * open callback for capture on via686 and via823x 1310 */ 1311 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1312 { 1313 struct via82xx *chip = snd_pcm_substream_chip(substream); 1314 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1315 1316 return snd_via82xx_pcm_open(chip, viadev, substream); 1317 } 1318 1319 /* 1320 * close callback 1321 */ 1322 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1323 { 1324 struct via82xx *chip = snd_pcm_substream_chip(substream); 1325 struct viadev *viadev = substream->runtime->private_data; 1326 struct via_rate_lock *ratep; 1327 1328 /* release the rate lock */ 1329 ratep = &chip->rates[viadev->direction]; 1330 spin_lock_irq(&ratep->lock); 1331 ratep->used--; 1332 if (! ratep->used) 1333 ratep->rate = 0; 1334 spin_unlock_irq(&ratep->lock); 1335 if (! ratep->rate) { 1336 if (! viadev->direction) { 1337 snd_ac97_update_power(chip->ac97, 1338 AC97_PCM_FRONT_DAC_RATE, 0); 1339 snd_ac97_update_power(chip->ac97, 1340 AC97_PCM_SURR_DAC_RATE, 0); 1341 snd_ac97_update_power(chip->ac97, 1342 AC97_PCM_LFE_DAC_RATE, 0); 1343 } else 1344 snd_ac97_update_power(chip->ac97, 1345 AC97_PCM_LR_ADC_RATE, 0); 1346 } 1347 viadev->substream = NULL; 1348 return 0; 1349 } 1350 1351 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1352 { 1353 struct via82xx *chip = snd_pcm_substream_chip(substream); 1354 struct viadev *viadev = substream->runtime->private_data; 1355 unsigned int stream; 1356 1357 stream = viadev->reg_offset / 0x10; 1358 if (chip->dxs_controls[stream]) { 1359 chip->dxs_controls[stream]->vd[0].access |= 1360 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1361 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1362 &chip->dxs_controls[stream]->id); 1363 } 1364 return snd_via82xx_pcm_close(substream); 1365 } 1366 1367 1368 /* via686 playback callbacks */ 1369 static const struct snd_pcm_ops snd_via686_playback_ops = { 1370 .open = snd_via686_playback_open, 1371 .close = snd_via82xx_pcm_close, 1372 .ioctl = snd_pcm_lib_ioctl, 1373 .hw_params = snd_via82xx_hw_params, 1374 .hw_free = snd_via82xx_hw_free, 1375 .prepare = snd_via686_playback_prepare, 1376 .trigger = snd_via82xx_pcm_trigger, 1377 .pointer = snd_via686_pcm_pointer, 1378 .page = snd_pcm_sgbuf_ops_page, 1379 }; 1380 1381 /* via686 capture callbacks */ 1382 static const struct snd_pcm_ops snd_via686_capture_ops = { 1383 .open = snd_via82xx_capture_open, 1384 .close = snd_via82xx_pcm_close, 1385 .ioctl = snd_pcm_lib_ioctl, 1386 .hw_params = snd_via82xx_hw_params, 1387 .hw_free = snd_via82xx_hw_free, 1388 .prepare = snd_via686_capture_prepare, 1389 .trigger = snd_via82xx_pcm_trigger, 1390 .pointer = snd_via686_pcm_pointer, 1391 .page = snd_pcm_sgbuf_ops_page, 1392 }; 1393 1394 /* via823x DSX playback callbacks */ 1395 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1396 .open = snd_via8233_playback_open, 1397 .close = snd_via8233_playback_close, 1398 .ioctl = snd_pcm_lib_ioctl, 1399 .hw_params = snd_via82xx_hw_params, 1400 .hw_free = snd_via82xx_hw_free, 1401 .prepare = snd_via8233_playback_prepare, 1402 .trigger = snd_via82xx_pcm_trigger, 1403 .pointer = snd_via8233_pcm_pointer, 1404 .page = snd_pcm_sgbuf_ops_page, 1405 }; 1406 1407 /* via823x multi-channel playback callbacks */ 1408 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1409 .open = snd_via8233_multi_open, 1410 .close = snd_via82xx_pcm_close, 1411 .ioctl = snd_pcm_lib_ioctl, 1412 .hw_params = snd_via82xx_hw_params, 1413 .hw_free = snd_via82xx_hw_free, 1414 .prepare = snd_via8233_multi_prepare, 1415 .trigger = snd_via82xx_pcm_trigger, 1416 .pointer = snd_via8233_pcm_pointer, 1417 .page = snd_pcm_sgbuf_ops_page, 1418 }; 1419 1420 /* via823x capture callbacks */ 1421 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1422 .open = snd_via82xx_capture_open, 1423 .close = snd_via82xx_pcm_close, 1424 .ioctl = snd_pcm_lib_ioctl, 1425 .hw_params = snd_via82xx_hw_params, 1426 .hw_free = snd_via82xx_hw_free, 1427 .prepare = snd_via8233_capture_prepare, 1428 .trigger = snd_via82xx_pcm_trigger, 1429 .pointer = snd_via8233_pcm_pointer, 1430 .page = snd_pcm_sgbuf_ops_page, 1431 }; 1432 1433 1434 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1435 int shadow_pos, int direction) 1436 { 1437 chip->devs[idx].reg_offset = reg_offset; 1438 chip->devs[idx].shadow_shift = shadow_pos * 4; 1439 chip->devs[idx].direction = direction; 1440 chip->devs[idx].port = chip->port + reg_offset; 1441 } 1442 1443 /* 1444 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1445 */ 1446 static int snd_via8233_pcm_new(struct via82xx *chip) 1447 { 1448 struct snd_pcm *pcm; 1449 struct snd_pcm_chmap *chmap; 1450 int i, err; 1451 1452 chip->playback_devno = 0; /* x 4 */ 1453 chip->multi_devno = 4; /* x 1 */ 1454 chip->capture_devno = 5; /* x 2 */ 1455 chip->num_devs = 7; 1456 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1457 1458 /* PCM #0: 4 DSX playbacks and 1 capture */ 1459 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1460 if (err < 0) 1461 return err; 1462 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1463 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1464 pcm->private_data = chip; 1465 strcpy(pcm->name, chip->card->shortname); 1466 chip->pcms[0] = pcm; 1467 /* set up playbacks */ 1468 for (i = 0; i < 4; i++) 1469 init_viadev(chip, i, 0x10 * i, i, 0); 1470 /* capture */ 1471 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1472 1473 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1474 snd_dma_pci_data(chip->pci), 1475 64*1024, VIA_MAX_BUFSIZE); 1476 1477 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1478 snd_pcm_std_chmaps, 2, 0, 1479 &chmap); 1480 if (err < 0) 1481 return err; 1482 1483 /* PCM #1: multi-channel playback and 2nd capture */ 1484 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1485 if (err < 0) 1486 return err; 1487 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1488 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1489 pcm->private_data = chip; 1490 strcpy(pcm->name, chip->card->shortname); 1491 chip->pcms[1] = pcm; 1492 /* set up playback */ 1493 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1494 /* set up capture */ 1495 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1496 1497 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1498 snd_dma_pci_data(chip->pci), 1499 64*1024, VIA_MAX_BUFSIZE); 1500 1501 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1502 snd_pcm_alt_chmaps, 6, 0, 1503 &chmap); 1504 if (err < 0) 1505 return err; 1506 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1507 1508 return 0; 1509 } 1510 1511 /* 1512 * create pcm instances for VIA8233A 1513 */ 1514 static int snd_via8233a_pcm_new(struct via82xx *chip) 1515 { 1516 struct snd_pcm *pcm; 1517 struct snd_pcm_chmap *chmap; 1518 int err; 1519 1520 chip->multi_devno = 0; 1521 chip->playback_devno = 1; 1522 chip->capture_devno = 2; 1523 chip->num_devs = 3; 1524 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1525 1526 /* PCM #0: multi-channel playback and capture */ 1527 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1528 if (err < 0) 1529 return err; 1530 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1531 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1532 pcm->private_data = chip; 1533 strcpy(pcm->name, chip->card->shortname); 1534 chip->pcms[0] = pcm; 1535 /* set up playback */ 1536 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1537 /* capture */ 1538 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1539 1540 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1541 snd_dma_pci_data(chip->pci), 1542 64*1024, VIA_MAX_BUFSIZE); 1543 1544 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1545 snd_pcm_alt_chmaps, 6, 0, 1546 &chmap); 1547 if (err < 0) 1548 return err; 1549 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1550 1551 /* SPDIF supported? */ 1552 if (! ac97_can_spdif(chip->ac97)) 1553 return 0; 1554 1555 /* PCM #1: DXS3 playback (for spdif) */ 1556 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1557 if (err < 0) 1558 return err; 1559 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1560 pcm->private_data = chip; 1561 strcpy(pcm->name, chip->card->shortname); 1562 chip->pcms[1] = pcm; 1563 /* set up playback */ 1564 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1565 1566 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1567 snd_dma_pci_data(chip->pci), 1568 64*1024, VIA_MAX_BUFSIZE); 1569 return 0; 1570 } 1571 1572 /* 1573 * create a pcm instance for via686a/b 1574 */ 1575 static int snd_via686_pcm_new(struct via82xx *chip) 1576 { 1577 struct snd_pcm *pcm; 1578 int err; 1579 1580 chip->playback_devno = 0; 1581 chip->capture_devno = 1; 1582 chip->num_devs = 2; 1583 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1584 1585 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1586 if (err < 0) 1587 return err; 1588 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1589 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1590 pcm->private_data = chip; 1591 strcpy(pcm->name, chip->card->shortname); 1592 chip->pcms[0] = pcm; 1593 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1594 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1595 1596 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1597 snd_dma_pci_data(chip->pci), 1598 64*1024, VIA_MAX_BUFSIZE); 1599 return 0; 1600 } 1601 1602 1603 /* 1604 * Mixer part 1605 */ 1606 1607 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1608 struct snd_ctl_elem_info *uinfo) 1609 { 1610 /* formerly they were "Line" and "Mic", but it looks like that they 1611 * have nothing to do with the actual physical connections... 1612 */ 1613 static const char * const texts[2] = { 1614 "Input1", "Input2" 1615 }; 1616 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1617 } 1618 1619 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1620 struct snd_ctl_elem_value *ucontrol) 1621 { 1622 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1623 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1624 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1625 return 0; 1626 } 1627 1628 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1629 struct snd_ctl_elem_value *ucontrol) 1630 { 1631 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1632 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1633 u8 val, oval; 1634 1635 spin_lock_irq(&chip->reg_lock); 1636 oval = inb(port); 1637 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1638 if (ucontrol->value.enumerated.item[0]) 1639 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1640 if (val != oval) 1641 outb(val, port); 1642 spin_unlock_irq(&chip->reg_lock); 1643 return val != oval; 1644 } 1645 1646 static struct snd_kcontrol_new snd_via8233_capture_source = { 1647 .name = "Input Source Select", 1648 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1649 .info = snd_via8233_capture_source_info, 1650 .get = snd_via8233_capture_source_get, 1651 .put = snd_via8233_capture_source_put, 1652 }; 1653 1654 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1655 1656 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1657 struct snd_ctl_elem_value *ucontrol) 1658 { 1659 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1660 u8 val; 1661 1662 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1663 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1664 return 0; 1665 } 1666 1667 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1668 struct snd_ctl_elem_value *ucontrol) 1669 { 1670 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1671 u8 val, oval; 1672 1673 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1674 val = oval & ~VIA8233_SPDIF_DX3; 1675 if (ucontrol->value.integer.value[0]) 1676 val |= VIA8233_SPDIF_DX3; 1677 /* save the spdif flag for rate filtering */ 1678 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1679 if (val != oval) { 1680 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1681 return 1; 1682 } 1683 return 0; 1684 } 1685 1686 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1687 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1688 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1689 .info = snd_via8233_dxs3_spdif_info, 1690 .get = snd_via8233_dxs3_spdif_get, 1691 .put = snd_via8233_dxs3_spdif_put, 1692 }; 1693 1694 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1695 struct snd_ctl_elem_info *uinfo) 1696 { 1697 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1698 uinfo->count = 2; 1699 uinfo->value.integer.min = 0; 1700 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1701 return 0; 1702 } 1703 1704 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1705 struct snd_ctl_elem_value *ucontrol) 1706 { 1707 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1708 unsigned int idx = kcontrol->id.subdevice; 1709 1710 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1711 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1712 return 0; 1713 } 1714 1715 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1716 struct snd_ctl_elem_value *ucontrol) 1717 { 1718 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1719 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1720 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1721 return 0; 1722 } 1723 1724 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1725 struct snd_ctl_elem_value *ucontrol) 1726 { 1727 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1728 unsigned int idx = kcontrol->id.subdevice; 1729 unsigned long port = chip->port + 0x10 * idx; 1730 unsigned char val; 1731 int i, change = 0; 1732 1733 for (i = 0; i < 2; i++) { 1734 val = ucontrol->value.integer.value[i]; 1735 if (val > VIA_DXS_MAX_VOLUME) 1736 val = VIA_DXS_MAX_VOLUME; 1737 val = VIA_DXS_MAX_VOLUME - val; 1738 change |= val != chip->playback_volume[idx][i]; 1739 if (change) { 1740 chip->playback_volume[idx][i] = val; 1741 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1742 } 1743 } 1744 return change; 1745 } 1746 1747 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1748 struct snd_ctl_elem_value *ucontrol) 1749 { 1750 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1751 unsigned int idx; 1752 unsigned char val; 1753 int i, change = 0; 1754 1755 for (i = 0; i < 2; i++) { 1756 val = ucontrol->value.integer.value[i]; 1757 if (val > VIA_DXS_MAX_VOLUME) 1758 val = VIA_DXS_MAX_VOLUME; 1759 val = VIA_DXS_MAX_VOLUME - val; 1760 if (val != chip->playback_volume_c[i]) { 1761 change = 1; 1762 chip->playback_volume_c[i] = val; 1763 for (idx = 0; idx < 4; idx++) { 1764 unsigned long port = chip->port + 0x10 * idx; 1765 chip->playback_volume[idx][i] = val; 1766 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1767 } 1768 } 1769 } 1770 return change; 1771 } 1772 1773 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1774 1775 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1776 .name = "PCM Playback Volume", 1777 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1778 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1779 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1780 .info = snd_via8233_dxs_volume_info, 1781 .get = snd_via8233_pcmdxs_volume_get, 1782 .put = snd_via8233_pcmdxs_volume_put, 1783 .tlv = { .p = db_scale_dxs } 1784 }; 1785 1786 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1787 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1788 .device = 0, 1789 /* .subdevice set later */ 1790 .name = "PCM Playback Volume", 1791 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1792 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1793 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1794 .info = snd_via8233_dxs_volume_info, 1795 .get = snd_via8233_dxs_volume_get, 1796 .put = snd_via8233_dxs_volume_put, 1797 .tlv = { .p = db_scale_dxs } 1798 }; 1799 1800 /* 1801 */ 1802 1803 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1804 { 1805 struct via82xx *chip = bus->private_data; 1806 chip->ac97_bus = NULL; 1807 } 1808 1809 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1810 { 1811 struct via82xx *chip = ac97->private_data; 1812 chip->ac97 = NULL; 1813 } 1814 1815 static const struct ac97_quirk ac97_quirks[] = { 1816 { 1817 .subvendor = 0x1106, 1818 .subdevice = 0x4161, 1819 .codec_id = 0x56494161, /* VT1612A */ 1820 .name = "Soltek SL-75DRV5", 1821 .type = AC97_TUNE_NONE 1822 }, 1823 { /* FIXME: which codec? */ 1824 .subvendor = 0x1106, 1825 .subdevice = 0x4161, 1826 .name = "ASRock K7VT2", 1827 .type = AC97_TUNE_HP_ONLY 1828 }, 1829 { 1830 .subvendor = 0x110a, 1831 .subdevice = 0x0079, 1832 .name = "Fujitsu Siemens D1289", 1833 .type = AC97_TUNE_HP_ONLY 1834 }, 1835 { 1836 .subvendor = 0x1019, 1837 .subdevice = 0x0a81, 1838 .name = "ECS K7VTA3", 1839 .type = AC97_TUNE_HP_ONLY 1840 }, 1841 { 1842 .subvendor = 0x1019, 1843 .subdevice = 0x0a85, 1844 .name = "ECS L7VMM2", 1845 .type = AC97_TUNE_HP_ONLY 1846 }, 1847 { 1848 .subvendor = 0x1019, 1849 .subdevice = 0x1841, 1850 .name = "ECS K7VTA3", 1851 .type = AC97_TUNE_HP_ONLY 1852 }, 1853 { 1854 .subvendor = 0x1849, 1855 .subdevice = 0x3059, 1856 .name = "ASRock K7VM2", 1857 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1858 }, 1859 { 1860 .subvendor = 0x14cd, 1861 .subdevice = 0x7002, 1862 .name = "Unknown", 1863 .type = AC97_TUNE_ALC_JACK 1864 }, 1865 { 1866 .subvendor = 0x1071, 1867 .subdevice = 0x8590, 1868 .name = "Mitac Mobo", 1869 .type = AC97_TUNE_ALC_JACK 1870 }, 1871 { 1872 .subvendor = 0x161f, 1873 .subdevice = 0x202b, 1874 .name = "Arima Notebook", 1875 .type = AC97_TUNE_HP_ONLY, 1876 }, 1877 { 1878 .subvendor = 0x161f, 1879 .subdevice = 0x2032, 1880 .name = "Targa Traveller 811", 1881 .type = AC97_TUNE_HP_ONLY, 1882 }, 1883 { 1884 .subvendor = 0x161f, 1885 .subdevice = 0x2032, 1886 .name = "m680x", 1887 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1888 }, 1889 { 1890 .subvendor = 0x1297, 1891 .subdevice = 0xa232, 1892 .name = "Shuttle AK32VN", 1893 .type = AC97_TUNE_HP_ONLY 1894 }, 1895 { } /* terminator */ 1896 }; 1897 1898 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1899 { 1900 struct snd_ac97_template ac97; 1901 int err; 1902 static struct snd_ac97_bus_ops ops = { 1903 .write = snd_via82xx_codec_write, 1904 .read = snd_via82xx_codec_read, 1905 .wait = snd_via82xx_codec_wait, 1906 }; 1907 1908 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1909 return err; 1910 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1911 chip->ac97_bus->clock = chip->ac97_clock; 1912 1913 memset(&ac97, 0, sizeof(ac97)); 1914 ac97.private_data = chip; 1915 ac97.private_free = snd_via82xx_mixer_free_ac97; 1916 ac97.pci = chip->pci; 1917 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1918 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1919 return err; 1920 1921 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1922 1923 if (chip->chip_type != TYPE_VIA686) { 1924 /* use slot 10/11 */ 1925 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1926 } 1927 1928 return 0; 1929 } 1930 1931 #ifdef SUPPORT_JOYSTICK 1932 #define JOYSTICK_ADDR 0x200 1933 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1934 { 1935 struct gameport *gp; 1936 struct resource *r; 1937 1938 if (!joystick) 1939 return -ENODEV; 1940 1941 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1942 if (!r) { 1943 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1944 JOYSTICK_ADDR); 1945 return -EBUSY; 1946 } 1947 1948 chip->gameport = gp = gameport_allocate_port(); 1949 if (!gp) { 1950 dev_err(chip->card->dev, 1951 "cannot allocate memory for gameport\n"); 1952 release_and_free_resource(r); 1953 return -ENOMEM; 1954 } 1955 1956 gameport_set_name(gp, "VIA686 Gameport"); 1957 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1958 gameport_set_dev_parent(gp, &chip->pci->dev); 1959 gp->io = JOYSTICK_ADDR; 1960 gameport_set_port_data(gp, r); 1961 1962 /* Enable legacy joystick port */ 1963 *legacy |= VIA_FUNC_ENABLE_GAME; 1964 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1965 1966 gameport_register_port(chip->gameport); 1967 1968 return 0; 1969 } 1970 1971 static void snd_via686_free_gameport(struct via82xx *chip) 1972 { 1973 if (chip->gameport) { 1974 struct resource *r = gameport_get_port_data(chip->gameport); 1975 1976 gameport_unregister_port(chip->gameport); 1977 chip->gameport = NULL; 1978 release_and_free_resource(r); 1979 } 1980 } 1981 #else 1982 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1983 { 1984 return -ENOSYS; 1985 } 1986 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1987 #endif 1988 1989 1990 /* 1991 * 1992 */ 1993 1994 static int snd_via8233_init_misc(struct via82xx *chip) 1995 { 1996 int i, err, caps; 1997 unsigned char val; 1998 1999 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 2000 for (i = 0; i < caps; i++) { 2001 snd_via8233_capture_source.index = i; 2002 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 2003 if (err < 0) 2004 return err; 2005 } 2006 if (ac97_can_spdif(chip->ac97)) { 2007 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 2008 if (err < 0) 2009 return err; 2010 } 2011 if (chip->chip_type != TYPE_VIA8233A) { 2012 /* when no h/w PCM volume control is found, use DXS volume control 2013 * as the PCM vol control 2014 */ 2015 struct snd_ctl_elem_id sid; 2016 memset(&sid, 0, sizeof(sid)); 2017 strcpy(sid.name, "PCM Playback Volume"); 2018 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2019 if (! snd_ctl_find_id(chip->card, &sid)) { 2020 dev_info(chip->card->dev, 2021 "Using DXS as PCM Playback\n"); 2022 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 2023 if (err < 0) 2024 return err; 2025 } 2026 else /* Using DXS when PCM emulation is enabled is really weird */ 2027 { 2028 for (i = 0; i < 4; ++i) { 2029 struct snd_kcontrol *kctl; 2030 2031 kctl = snd_ctl_new1( 2032 &snd_via8233_dxs_volume_control, chip); 2033 if (!kctl) 2034 return -ENOMEM; 2035 kctl->id.subdevice = i; 2036 err = snd_ctl_add(chip->card, kctl); 2037 if (err < 0) 2038 return err; 2039 chip->dxs_controls[i] = kctl; 2040 } 2041 } 2042 } 2043 /* select spdif data slot 10/11 */ 2044 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2045 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2046 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2047 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2048 2049 return 0; 2050 } 2051 2052 static int snd_via686_init_misc(struct via82xx *chip) 2053 { 2054 unsigned char legacy, legacy_cfg; 2055 int rev_h = 0; 2056 2057 legacy = chip->old_legacy; 2058 legacy_cfg = chip->old_legacy_cfg; 2059 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2060 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2061 if (chip->revision >= VIA_REV_686_H) { 2062 rev_h = 1; 2063 if (mpu_port >= 0x200) { /* force MIDI */ 2064 mpu_port &= 0xfffc; 2065 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2066 #ifdef CONFIG_PM_SLEEP 2067 chip->mpu_port_saved = mpu_port; 2068 #endif 2069 } else { 2070 mpu_port = pci_resource_start(chip->pci, 2); 2071 } 2072 } else { 2073 switch (mpu_port) { /* force MIDI */ 2074 case 0x300: 2075 case 0x310: 2076 case 0x320: 2077 case 0x330: 2078 legacy_cfg &= ~(3 << 2); 2079 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2080 break; 2081 default: /* no, use BIOS settings */ 2082 if (legacy & VIA_FUNC_ENABLE_MIDI) 2083 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2084 break; 2085 } 2086 } 2087 if (mpu_port >= 0x200 && 2088 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2089 != NULL) { 2090 if (rev_h) 2091 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2092 legacy |= VIA_FUNC_ENABLE_MIDI; 2093 } else { 2094 if (rev_h) 2095 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2096 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2097 mpu_port = 0; 2098 } 2099 2100 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2101 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2102 if (chip->mpu_res) { 2103 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2104 mpu_port, MPU401_INFO_INTEGRATED | 2105 MPU401_INFO_IRQ_HOOK, -1, 2106 &chip->rmidi) < 0) { 2107 dev_warn(chip->card->dev, 2108 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2109 mpu_port); 2110 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2111 } else { 2112 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2113 } 2114 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2115 } 2116 2117 snd_via686_create_gameport(chip, &legacy); 2118 2119 #ifdef CONFIG_PM_SLEEP 2120 chip->legacy_saved = legacy; 2121 chip->legacy_cfg_saved = legacy_cfg; 2122 #endif 2123 2124 return 0; 2125 } 2126 2127 2128 /* 2129 * proc interface 2130 */ 2131 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2132 struct snd_info_buffer *buffer) 2133 { 2134 struct via82xx *chip = entry->private_data; 2135 int i; 2136 2137 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2138 for (i = 0; i < 0xa0; i += 4) { 2139 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2140 } 2141 } 2142 2143 static void snd_via82xx_proc_init(struct via82xx *chip) 2144 { 2145 struct snd_info_entry *entry; 2146 2147 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2148 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2149 } 2150 2151 /* 2152 * 2153 */ 2154 2155 static int snd_via82xx_chip_init(struct via82xx *chip) 2156 { 2157 unsigned int val; 2158 unsigned long end_time; 2159 unsigned char pval; 2160 2161 #if 0 /* broken on K7M? */ 2162 if (chip->chip_type == TYPE_VIA686) 2163 /* disable all legacy ports */ 2164 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2165 #endif 2166 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2167 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2168 /* deassert ACLink reset, force SYNC */ 2169 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2170 VIA_ACLINK_CTRL_ENABLE | 2171 VIA_ACLINK_CTRL_RESET | 2172 VIA_ACLINK_CTRL_SYNC); 2173 udelay(100); 2174 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2175 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2176 udelay(100); 2177 #else 2178 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2179 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2180 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2181 udelay(2); 2182 #endif 2183 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2184 /* note - FM data out has trouble with non VRA codecs !! */ 2185 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2186 udelay(100); 2187 } 2188 2189 /* Make sure VRA is enabled, in case we didn't do a 2190 * complete codec reset, above */ 2191 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2192 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2193 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2194 /* note - FM data out has trouble with non VRA codecs !! */ 2195 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2196 udelay(100); 2197 } 2198 2199 /* wait until codec ready */ 2200 end_time = jiffies + msecs_to_jiffies(750); 2201 do { 2202 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2203 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2204 break; 2205 schedule_timeout_uninterruptible(1); 2206 } while (time_before(jiffies, end_time)); 2207 2208 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2209 dev_err(chip->card->dev, 2210 "AC'97 codec is not ready [0x%x]\n", val); 2211 2212 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2213 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2214 VIA_REG_AC97_SECONDARY_VALID | 2215 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2216 end_time = jiffies + msecs_to_jiffies(750); 2217 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2218 VIA_REG_AC97_SECONDARY_VALID | 2219 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2220 do { 2221 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2222 chip->ac97_secondary = 1; 2223 goto __ac97_ok2; 2224 } 2225 schedule_timeout_uninterruptible(1); 2226 } while (time_before(jiffies, end_time)); 2227 /* This is ok, the most of motherboards have only one codec */ 2228 2229 __ac97_ok2: 2230 #endif 2231 2232 if (chip->chip_type == TYPE_VIA686) { 2233 /* route FM trap to IRQ, disable FM trap */ 2234 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2235 /* disable all GPI interrupts */ 2236 outl(0, VIAREG(chip, GPI_INTR)); 2237 } 2238 2239 if (chip->chip_type != TYPE_VIA686) { 2240 /* Workaround for Award BIOS bug: 2241 * DXS channels don't work properly with VRA if MC97 is disabled. 2242 */ 2243 struct pci_dev *pci; 2244 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2245 if (pci) { 2246 unsigned char data; 2247 pci_read_config_byte(pci, 0x44, &data); 2248 pci_write_config_byte(pci, 0x44, data | 0x40); 2249 pci_dev_put(pci); 2250 } 2251 } 2252 2253 if (chip->chip_type != TYPE_VIA8233A) { 2254 int i, idx; 2255 for (idx = 0; idx < 4; idx++) { 2256 unsigned long port = chip->port + 0x10 * idx; 2257 for (i = 0; i < 2; i++) { 2258 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2259 outb(chip->playback_volume_c[i], 2260 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2261 } 2262 } 2263 } 2264 2265 return 0; 2266 } 2267 2268 #ifdef CONFIG_PM_SLEEP 2269 /* 2270 * power management 2271 */ 2272 static int snd_via82xx_suspend(struct device *dev) 2273 { 2274 struct snd_card *card = dev_get_drvdata(dev); 2275 struct via82xx *chip = card->private_data; 2276 int i; 2277 2278 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2279 for (i = 0; i < 2; i++) 2280 snd_pcm_suspend_all(chip->pcms[i]); 2281 for (i = 0; i < chip->num_devs; i++) 2282 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2283 synchronize_irq(chip->irq); 2284 snd_ac97_suspend(chip->ac97); 2285 2286 /* save misc values */ 2287 if (chip->chip_type != TYPE_VIA686) { 2288 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2289 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2290 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2291 } 2292 2293 return 0; 2294 } 2295 2296 static int snd_via82xx_resume(struct device *dev) 2297 { 2298 struct snd_card *card = dev_get_drvdata(dev); 2299 struct via82xx *chip = card->private_data; 2300 int i; 2301 2302 snd_via82xx_chip_init(chip); 2303 2304 if (chip->chip_type == TYPE_VIA686) { 2305 if (chip->mpu_port_saved) 2306 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2307 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2308 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2309 } else { 2310 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2311 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2312 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2313 } 2314 2315 snd_ac97_resume(chip->ac97); 2316 2317 for (i = 0; i < chip->num_devs; i++) 2318 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2319 2320 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2321 return 0; 2322 } 2323 2324 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2325 #define SND_VIA82XX_PM_OPS &snd_via82xx_pm 2326 #else 2327 #define SND_VIA82XX_PM_OPS NULL 2328 #endif /* CONFIG_PM_SLEEP */ 2329 2330 static int snd_via82xx_free(struct via82xx *chip) 2331 { 2332 unsigned int i; 2333 2334 if (chip->irq < 0) 2335 goto __end_hw; 2336 /* disable interrupts */ 2337 for (i = 0; i < chip->num_devs; i++) 2338 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2339 2340 if (chip->irq >= 0) 2341 free_irq(chip->irq, chip); 2342 __end_hw: 2343 release_and_free_resource(chip->mpu_res); 2344 pci_release_regions(chip->pci); 2345 2346 if (chip->chip_type == TYPE_VIA686) { 2347 snd_via686_free_gameport(chip); 2348 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2349 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2350 } 2351 pci_disable_device(chip->pci); 2352 kfree(chip); 2353 return 0; 2354 } 2355 2356 static int snd_via82xx_dev_free(struct snd_device *device) 2357 { 2358 struct via82xx *chip = device->device_data; 2359 return snd_via82xx_free(chip); 2360 } 2361 2362 static int snd_via82xx_create(struct snd_card *card, 2363 struct pci_dev *pci, 2364 int chip_type, 2365 int revision, 2366 unsigned int ac97_clock, 2367 struct via82xx **r_via) 2368 { 2369 struct via82xx *chip; 2370 int err; 2371 static struct snd_device_ops ops = { 2372 .dev_free = snd_via82xx_dev_free, 2373 }; 2374 2375 if ((err = pci_enable_device(pci)) < 0) 2376 return err; 2377 2378 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2379 pci_disable_device(pci); 2380 return -ENOMEM; 2381 } 2382 2383 chip->chip_type = chip_type; 2384 chip->revision = revision; 2385 2386 spin_lock_init(&chip->reg_lock); 2387 spin_lock_init(&chip->rates[0].lock); 2388 spin_lock_init(&chip->rates[1].lock); 2389 chip->card = card; 2390 chip->pci = pci; 2391 chip->irq = -1; 2392 2393 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2394 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2395 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2396 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2397 2398 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2399 kfree(chip); 2400 pci_disable_device(pci); 2401 return err; 2402 } 2403 chip->port = pci_resource_start(pci, 0); 2404 if (request_irq(pci->irq, 2405 chip_type == TYPE_VIA8233 ? 2406 snd_via8233_interrupt : snd_via686_interrupt, 2407 IRQF_SHARED, 2408 KBUILD_MODNAME, chip)) { 2409 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2410 snd_via82xx_free(chip); 2411 return -EBUSY; 2412 } 2413 chip->irq = pci->irq; 2414 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2415 chip->ac97_clock = ac97_clock; 2416 synchronize_irq(chip->irq); 2417 2418 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2419 snd_via82xx_free(chip); 2420 return err; 2421 } 2422 2423 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2424 snd_via82xx_free(chip); 2425 return err; 2426 } 2427 2428 /* The 8233 ac97 controller does not implement the master bit 2429 * in the pci command register. IMHO this is a violation of the PCI spec. 2430 * We call pci_set_master here because it does not hurt. */ 2431 pci_set_master(pci); 2432 2433 *r_via = chip; 2434 return 0; 2435 } 2436 2437 struct via823x_info { 2438 int revision; 2439 char *name; 2440 int type; 2441 }; 2442 static struct via823x_info via823x_cards[] = { 2443 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2444 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2445 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2446 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2447 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2448 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2449 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2450 }; 2451 2452 /* 2453 * auto detection of DXS channel supports. 2454 */ 2455 2456 static struct snd_pci_quirk dxs_whitelist[] = { 2457 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2458 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2459 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2460 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2461 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2462 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2463 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2464 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2465 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2466 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2467 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2468 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2469 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2470 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2471 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2472 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2473 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2474 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2475 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2476 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2477 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2478 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2479 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2480 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2481 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2482 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2483 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2484 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2485 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2486 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2487 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2488 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2489 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2490 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2491 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2492 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2493 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2494 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2495 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2496 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2497 { } /* terminator */ 2498 }; 2499 2500 static int check_dxs_list(struct pci_dev *pci, int revision) 2501 { 2502 const struct snd_pci_quirk *w; 2503 2504 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2505 if (w) { 2506 dev_dbg(&pci->dev, "DXS white list for %s found\n", 2507 snd_pci_quirk_name(w)); 2508 return w->value; 2509 } 2510 2511 /* for newer revision, default to DXS_SRC */ 2512 if (revision >= VIA_REV_8235) 2513 return VIA_DXS_SRC; 2514 2515 /* 2516 * not detected, try 48k rate only to be sure. 2517 */ 2518 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2519 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2520 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2521 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2522 return VIA_DXS_48K; 2523 }; 2524 2525 static int snd_via82xx_probe(struct pci_dev *pci, 2526 const struct pci_device_id *pci_id) 2527 { 2528 struct snd_card *card; 2529 struct via82xx *chip; 2530 int chip_type = 0, card_type; 2531 unsigned int i; 2532 int err; 2533 2534 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2535 if (err < 0) 2536 return err; 2537 2538 card_type = pci_id->driver_data; 2539 switch (card_type) { 2540 case TYPE_CARD_VIA686: 2541 strcpy(card->driver, "VIA686A"); 2542 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2543 chip_type = TYPE_VIA686; 2544 break; 2545 case TYPE_CARD_VIA8233: 2546 chip_type = TYPE_VIA8233; 2547 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2548 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2549 if (pci->revision == via823x_cards[i].revision) { 2550 chip_type = via823x_cards[i].type; 2551 strcpy(card->shortname, via823x_cards[i].name); 2552 break; 2553 } 2554 } 2555 if (chip_type != TYPE_VIA8233A) { 2556 if (dxs_support == VIA_DXS_AUTO) 2557 dxs_support = check_dxs_list(pci, pci->revision); 2558 /* force to use VIA8233 or 8233A model according to 2559 * dxs_support module option 2560 */ 2561 if (dxs_support == VIA_DXS_DISABLE) 2562 chip_type = TYPE_VIA8233A; 2563 else 2564 chip_type = TYPE_VIA8233; 2565 } 2566 if (chip_type == TYPE_VIA8233A) 2567 strcpy(card->driver, "VIA8233A"); 2568 else if (pci->revision >= VIA_REV_8237) 2569 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2570 else 2571 strcpy(card->driver, "VIA8233"); 2572 break; 2573 default: 2574 dev_err(card->dev, "invalid card type %d\n", card_type); 2575 err = -EINVAL; 2576 goto __error; 2577 } 2578 2579 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2580 ac97_clock, &chip)) < 0) 2581 goto __error; 2582 card->private_data = chip; 2583 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2584 goto __error; 2585 2586 if (chip_type == TYPE_VIA686) { 2587 if ((err = snd_via686_pcm_new(chip)) < 0 || 2588 (err = snd_via686_init_misc(chip)) < 0) 2589 goto __error; 2590 } else { 2591 if (chip_type == TYPE_VIA8233A) { 2592 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2593 goto __error; 2594 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2595 } else { 2596 if ((err = snd_via8233_pcm_new(chip)) < 0) 2597 goto __error; 2598 if (dxs_support == VIA_DXS_48K) 2599 chip->dxs_fixed = 1; 2600 else if (dxs_support == VIA_DXS_NO_VRA) 2601 chip->no_vra = 1; 2602 else if (dxs_support == VIA_DXS_SRC) { 2603 chip->no_vra = 1; 2604 chip->dxs_src = 1; 2605 } 2606 } 2607 if ((err = snd_via8233_init_misc(chip)) < 0) 2608 goto __error; 2609 } 2610 2611 /* disable interrupts */ 2612 for (i = 0; i < chip->num_devs; i++) 2613 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2614 2615 snprintf(card->longname, sizeof(card->longname), 2616 "%s with %s at %#lx, irq %d", card->shortname, 2617 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2618 2619 snd_via82xx_proc_init(chip); 2620 2621 if ((err = snd_card_register(card)) < 0) { 2622 snd_card_free(card); 2623 return err; 2624 } 2625 pci_set_drvdata(pci, card); 2626 return 0; 2627 2628 __error: 2629 snd_card_free(card); 2630 return err; 2631 } 2632 2633 static void snd_via82xx_remove(struct pci_dev *pci) 2634 { 2635 snd_card_free(pci_get_drvdata(pci)); 2636 } 2637 2638 static struct pci_driver via82xx_driver = { 2639 .name = KBUILD_MODNAME, 2640 .id_table = snd_via82xx_ids, 2641 .probe = snd_via82xx_probe, 2642 .remove = snd_via82xx_remove, 2643 .driver = { 2644 .pm = SND_VIA82XX_PM_OPS, 2645 }, 2646 }; 2647 2648 module_pci_driver(via82xx_driver); 2649