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_array(VIA_TABLE_SIZE, 443 sizeof(*dev->idx_table), 444 GFP_KERNEL); 445 if (! dev->idx_table) 446 return -ENOMEM; 447 } 448 449 /* fill the entries */ 450 idx = 0; 451 ofs = 0; 452 for (i = 0; i < periods; i++) { 453 rest = fragsize; 454 /* fill descriptors for a period. 455 * a period can be split to several descriptors if it's 456 * over page boundary. 457 */ 458 do { 459 unsigned int r; 460 unsigned int flag; 461 unsigned int addr; 462 463 if (idx >= VIA_TABLE_SIZE) { 464 dev_err(&pci->dev, "too much table size!\n"); 465 return -EINVAL; 466 } 467 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 468 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 469 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 470 rest -= r; 471 if (! rest) { 472 if (i == periods - 1) 473 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 474 else 475 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 476 } else 477 flag = 0; /* period continues to the next */ 478 /* 479 dev_dbg(&pci->dev, 480 "tbl %d: at %d size %d (rest %d)\n", 481 idx, ofs, r, rest); 482 */ 483 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 484 dev->idx_table[idx].offset = ofs; 485 dev->idx_table[idx].size = r; 486 ofs += r; 487 idx++; 488 } while (rest > 0); 489 } 490 dev->tbl_entries = idx; 491 dev->bufsize = periods * fragsize; 492 dev->bufsize2 = dev->bufsize / 2; 493 dev->fragsize = fragsize; 494 return 0; 495 } 496 497 498 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 499 struct pci_dev *pci) 500 { 501 if (dev->table.area) { 502 snd_dma_free_pages(&dev->table); 503 dev->table.area = NULL; 504 } 505 kfree(dev->idx_table); 506 dev->idx_table = NULL; 507 return 0; 508 } 509 510 /* 511 * Basic I/O 512 */ 513 514 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 515 { 516 return inl(VIAREG(chip, AC97)); 517 } 518 519 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 520 { 521 outl(val, VIAREG(chip, AC97)); 522 } 523 524 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 525 { 526 unsigned int timeout = 1000; /* 1ms */ 527 unsigned int val; 528 529 while (timeout-- > 0) { 530 udelay(1); 531 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 532 return val & 0xffff; 533 } 534 dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", 535 secondary, snd_via82xx_codec_xread(chip)); 536 return -EIO; 537 } 538 539 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 540 { 541 unsigned int timeout = 1000; /* 1ms */ 542 unsigned int val, val1; 543 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 544 VIA_REG_AC97_SECONDARY_VALID; 545 546 while (timeout-- > 0) { 547 val = snd_via82xx_codec_xread(chip); 548 val1 = val & (VIA_REG_AC97_BUSY | stat); 549 if (val1 == stat) 550 return val & 0xffff; 551 udelay(1); 552 } 553 return -EIO; 554 } 555 556 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 557 { 558 struct via82xx *chip = ac97->private_data; 559 int err; 560 err = snd_via82xx_codec_ready(chip, ac97->num); 561 /* here we need to wait fairly for long time.. */ 562 if (!nodelay) 563 msleep(500); 564 } 565 566 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 567 unsigned short reg, 568 unsigned short val) 569 { 570 struct via82xx *chip = ac97->private_data; 571 unsigned int xval; 572 573 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 574 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 575 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 576 xval |= val << VIA_REG_AC97_DATA_SHIFT; 577 snd_via82xx_codec_xwrite(chip, xval); 578 snd_via82xx_codec_ready(chip, ac97->num); 579 } 580 581 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 582 { 583 struct via82xx *chip = ac97->private_data; 584 unsigned int xval, val = 0xffff; 585 int again = 0; 586 587 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 588 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 589 xval |= VIA_REG_AC97_READ; 590 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 591 while (1) { 592 if (again++ > 3) { 593 dev_err(chip->card->dev, 594 "codec_read: codec %i is not valid [0x%x]\n", 595 ac97->num, snd_via82xx_codec_xread(chip)); 596 return 0xffff; 597 } 598 snd_via82xx_codec_xwrite(chip, xval); 599 udelay (20); 600 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 601 udelay(25); 602 val = snd_via82xx_codec_xread(chip); 603 break; 604 } 605 } 606 return val & 0xffff; 607 } 608 609 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 610 { 611 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 612 VIADEV_REG(viadev, OFFSET_CONTROL)); 613 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 614 udelay(50); 615 /* disable interrupts */ 616 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 617 /* clear interrupts */ 618 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 619 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 620 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 621 viadev->lastpos = 0; 622 viadev->hwptr_done = 0; 623 } 624 625 626 /* 627 * Interrupt handler 628 * Used for 686 and 8233A 629 */ 630 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 631 { 632 struct via82xx *chip = dev_id; 633 unsigned int status; 634 unsigned int i; 635 636 status = inl(VIAREG(chip, SGD_SHADOW)); 637 if (! (status & chip->intr_mask)) { 638 if (chip->rmidi) 639 /* check mpu401 interrupt */ 640 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 641 return IRQ_NONE; 642 } 643 644 /* check status for each stream */ 645 spin_lock(&chip->reg_lock); 646 for (i = 0; i < chip->num_devs; i++) { 647 struct viadev *viadev = &chip->devs[i]; 648 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 649 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 650 continue; 651 if (viadev->substream && viadev->running) { 652 /* 653 * Update hwptr_done based on 'period elapsed' 654 * interrupts. We'll use it, when the chip returns 0 655 * for OFFSET_CURR_COUNT. 656 */ 657 if (c_status & VIA_REG_STAT_EOL) 658 viadev->hwptr_done = 0; 659 else 660 viadev->hwptr_done += viadev->fragsize; 661 viadev->in_interrupt = c_status; 662 spin_unlock(&chip->reg_lock); 663 snd_pcm_period_elapsed(viadev->substream); 664 spin_lock(&chip->reg_lock); 665 viadev->in_interrupt = 0; 666 } 667 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 668 } 669 spin_unlock(&chip->reg_lock); 670 return IRQ_HANDLED; 671 } 672 673 /* 674 * Interrupt handler 675 */ 676 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 677 { 678 struct via82xx *chip = dev_id; 679 unsigned int status; 680 unsigned int i; 681 int irqreturn = 0; 682 683 /* check status for each stream */ 684 spin_lock(&chip->reg_lock); 685 status = inl(VIAREG(chip, SGD_SHADOW)); 686 687 for (i = 0; i < chip->num_devs; i++) { 688 struct viadev *viadev = &chip->devs[i]; 689 struct snd_pcm_substream *substream; 690 unsigned char c_status, shadow_status; 691 692 shadow_status = (status >> viadev->shadow_shift) & 693 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 694 VIA_REG_STAT_FLAG); 695 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 696 if (!c_status) 697 continue; 698 699 substream = viadev->substream; 700 if (substream && viadev->running) { 701 /* 702 * Update hwptr_done based on 'period elapsed' 703 * interrupts. We'll use it, when the chip returns 0 704 * for OFFSET_CURR_COUNT. 705 */ 706 if (c_status & VIA_REG_STAT_EOL) 707 viadev->hwptr_done = 0; 708 else 709 viadev->hwptr_done += viadev->fragsize; 710 viadev->in_interrupt = c_status; 711 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 712 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 713 spin_unlock(&chip->reg_lock); 714 715 snd_pcm_period_elapsed(substream); 716 717 spin_lock(&chip->reg_lock); 718 viadev->in_interrupt = 0; 719 } 720 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 721 irqreturn = 1; 722 } 723 spin_unlock(&chip->reg_lock); 724 return IRQ_RETVAL(irqreturn); 725 } 726 727 /* 728 * PCM callbacks 729 */ 730 731 /* 732 * trigger callback 733 */ 734 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 735 { 736 struct via82xx *chip = snd_pcm_substream_chip(substream); 737 struct viadev *viadev = substream->runtime->private_data; 738 unsigned char val; 739 740 if (chip->chip_type != TYPE_VIA686) 741 val = VIA_REG_CTRL_INT; 742 else 743 val = 0; 744 switch (cmd) { 745 case SNDRV_PCM_TRIGGER_START: 746 case SNDRV_PCM_TRIGGER_RESUME: 747 val |= VIA_REG_CTRL_START; 748 viadev->running = 1; 749 break; 750 case SNDRV_PCM_TRIGGER_STOP: 751 case SNDRV_PCM_TRIGGER_SUSPEND: 752 val = VIA_REG_CTRL_TERMINATE; 753 viadev->running = 0; 754 break; 755 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 756 val |= VIA_REG_CTRL_PAUSE; 757 viadev->running = 0; 758 break; 759 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 760 viadev->running = 1; 761 break; 762 default: 763 return -EINVAL; 764 } 765 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 766 if (cmd == SNDRV_PCM_TRIGGER_STOP) 767 snd_via82xx_channel_reset(chip, viadev); 768 return 0; 769 } 770 771 772 /* 773 * pointer callbacks 774 */ 775 776 /* 777 * calculate the linear position at the given sg-buffer index and the rest count 778 */ 779 780 #define check_invalid_pos(viadev,pos) \ 781 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 782 viadev->lastpos < viadev->bufsize2)) 783 784 static inline unsigned int calc_linear_pos(struct via82xx *chip, 785 struct viadev *viadev, 786 unsigned int idx, 787 unsigned int count) 788 { 789 unsigned int size, base, res; 790 791 size = viadev->idx_table[idx].size; 792 base = viadev->idx_table[idx].offset; 793 res = base + size - count; 794 if (res >= viadev->bufsize) 795 res -= viadev->bufsize; 796 797 /* check the validity of the calculated position */ 798 if (size < count) { 799 dev_dbg(chip->card->dev, 800 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 801 (int)size, (int)count); 802 res = viadev->lastpos; 803 } else { 804 if (! count) { 805 /* Some mobos report count = 0 on the DMA boundary, 806 * i.e. count = size indeed. 807 * Let's check whether this step is above the expected size. 808 */ 809 int delta = res - viadev->lastpos; 810 if (delta < 0) 811 delta += viadev->bufsize; 812 if ((unsigned int)delta > viadev->fragsize) 813 res = base; 814 } 815 if (check_invalid_pos(viadev, res)) { 816 #ifdef POINTER_DEBUG 817 dev_dbg(chip->card->dev, 818 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 819 idx, viadev->tbl_entries, 820 viadev->lastpos, viadev->bufsize2, 821 viadev->idx_table[idx].offset, 822 viadev->idx_table[idx].size, count); 823 #endif 824 /* count register returns full size when end of buffer is reached */ 825 res = base + size; 826 if (check_invalid_pos(viadev, res)) { 827 dev_dbg(chip->card->dev, 828 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 829 res = viadev->lastpos; 830 } 831 } 832 } 833 return res; 834 } 835 836 /* 837 * get the current pointer on via686 838 */ 839 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 840 { 841 struct via82xx *chip = snd_pcm_substream_chip(substream); 842 struct viadev *viadev = substream->runtime->private_data; 843 unsigned int idx, ptr, count, res; 844 845 if (snd_BUG_ON(!viadev->tbl_entries)) 846 return 0; 847 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 848 return 0; 849 850 spin_lock(&chip->reg_lock); 851 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 852 /* The via686a does not have the current index register, 853 * so we need to calculate the index from CURR_PTR. 854 */ 855 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 856 if (ptr <= (unsigned int)viadev->table.addr) 857 idx = 0; 858 else /* CURR_PTR holds the address + 8 */ 859 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 860 res = calc_linear_pos(chip, viadev, idx, count); 861 viadev->lastpos = res; /* remember the last position */ 862 spin_unlock(&chip->reg_lock); 863 864 return bytes_to_frames(substream->runtime, res); 865 } 866 867 /* 868 * get the current pointer on via823x 869 */ 870 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 871 { 872 struct via82xx *chip = snd_pcm_substream_chip(substream); 873 struct viadev *viadev = substream->runtime->private_data; 874 unsigned int idx, count, res; 875 int status; 876 877 if (snd_BUG_ON(!viadev->tbl_entries)) 878 return 0; 879 880 spin_lock(&chip->reg_lock); 881 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 882 status = viadev->in_interrupt; 883 if (!status) 884 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 885 886 /* An apparent bug in the 8251 is worked around by sending a 887 * REG_CTRL_START. */ 888 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 889 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 890 891 if (!(status & VIA_REG_STAT_ACTIVE)) { 892 res = 0; 893 goto unlock; 894 } 895 if (count & 0xffffff) { 896 idx = count >> 24; 897 if (idx >= viadev->tbl_entries) { 898 #ifdef POINTER_DEBUG 899 dev_dbg(chip->card->dev, 900 "fail: invalid idx = %i/%i\n", idx, 901 viadev->tbl_entries); 902 #endif 903 res = viadev->lastpos; 904 } else { 905 count &= 0xffffff; 906 res = calc_linear_pos(chip, viadev, idx, count); 907 } 908 } else { 909 res = viadev->hwptr_done; 910 if (!viadev->in_interrupt) { 911 if (status & VIA_REG_STAT_EOL) { 912 res = 0; 913 } else 914 if (status & VIA_REG_STAT_FLAG) { 915 res += viadev->fragsize; 916 } 917 } 918 } 919 unlock: 920 viadev->lastpos = res; 921 spin_unlock(&chip->reg_lock); 922 923 return bytes_to_frames(substream->runtime, res); 924 } 925 926 927 /* 928 * hw_params callback: 929 * allocate the buffer and build up the buffer description table 930 */ 931 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 932 struct snd_pcm_hw_params *hw_params) 933 { 934 struct via82xx *chip = snd_pcm_substream_chip(substream); 935 struct viadev *viadev = substream->runtime->private_data; 936 int err; 937 938 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 939 if (err < 0) 940 return err; 941 err = build_via_table(viadev, substream, chip->pci, 942 params_periods(hw_params), 943 params_period_bytes(hw_params)); 944 if (err < 0) 945 return err; 946 947 return 0; 948 } 949 950 /* 951 * hw_free callback: 952 * clean up the buffer description table and release the buffer 953 */ 954 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 955 { 956 struct via82xx *chip = snd_pcm_substream_chip(substream); 957 struct viadev *viadev = substream->runtime->private_data; 958 959 clean_via_table(viadev, substream, chip->pci); 960 snd_pcm_lib_free_pages(substream); 961 return 0; 962 } 963 964 965 /* 966 * set up the table pointer 967 */ 968 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 969 { 970 snd_via82xx_codec_ready(chip, 0); 971 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 972 udelay(20); 973 snd_via82xx_codec_ready(chip, 0); 974 } 975 976 /* 977 * prepare callback for playback and capture on via686 978 */ 979 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 980 struct snd_pcm_runtime *runtime) 981 { 982 snd_via82xx_channel_reset(chip, viadev); 983 /* this must be set after channel_reset */ 984 snd_via82xx_set_table_ptr(chip, viadev); 985 outb(VIA_REG_TYPE_AUTOSTART | 986 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 987 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 988 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 989 VIA_REG_TYPE_INT_EOL | 990 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 991 } 992 993 static int snd_via686_playback_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_FRONT_DAC_RATE, runtime->rate); 1000 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1001 via686_setup_format(chip, viadev, runtime); 1002 return 0; 1003 } 1004 1005 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 1006 { 1007 struct via82xx *chip = snd_pcm_substream_chip(substream); 1008 struct viadev *viadev = substream->runtime->private_data; 1009 struct snd_pcm_runtime *runtime = substream->runtime; 1010 1011 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1012 via686_setup_format(chip, viadev, runtime); 1013 return 0; 1014 } 1015 1016 /* 1017 * lock the current rate 1018 */ 1019 static int via_lock_rate(struct via_rate_lock *rec, int rate) 1020 { 1021 int changed = 0; 1022 1023 spin_lock_irq(&rec->lock); 1024 if (rec->rate != rate) { 1025 if (rec->rate && rec->used > 1) /* already set */ 1026 changed = -EINVAL; 1027 else { 1028 rec->rate = rate; 1029 changed = 1; 1030 } 1031 } 1032 spin_unlock_irq(&rec->lock); 1033 return changed; 1034 } 1035 1036 /* 1037 * prepare callback for DSX playback on via823x 1038 */ 1039 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1040 { 1041 struct via82xx *chip = snd_pcm_substream_chip(substream); 1042 struct viadev *viadev = substream->runtime->private_data; 1043 struct snd_pcm_runtime *runtime = substream->runtime; 1044 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1045 int rate_changed; 1046 u32 rbits; 1047 1048 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1049 return rate_changed; 1050 if (rate_changed) 1051 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1052 chip->no_vra ? 48000 : runtime->rate); 1053 if (chip->spdif_on && viadev->reg_offset == 0x30) 1054 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1055 1056 if (runtime->rate == 48000) 1057 rbits = 0xfffff; 1058 else 1059 rbits = (0x100000 / 48000) * runtime->rate + 1060 ((0x100000 % 48000) * runtime->rate) / 48000; 1061 snd_BUG_ON(rbits & ~0xfffff); 1062 snd_via82xx_channel_reset(chip, viadev); 1063 snd_via82xx_set_table_ptr(chip, viadev); 1064 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1065 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1066 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1067 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1068 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1069 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1070 rbits | /* rate */ 1071 0xff000000, /* STOP index is never reached */ 1072 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1073 udelay(20); 1074 snd_via82xx_codec_ready(chip, 0); 1075 return 0; 1076 } 1077 1078 /* 1079 * prepare callback for multi-channel playback on via823x 1080 */ 1081 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1082 { 1083 struct via82xx *chip = snd_pcm_substream_chip(substream); 1084 struct viadev *viadev = substream->runtime->private_data; 1085 struct snd_pcm_runtime *runtime = substream->runtime; 1086 unsigned int slots; 1087 int fmt; 1088 1089 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1090 return -EINVAL; 1091 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1092 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1093 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1094 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1095 snd_via82xx_channel_reset(chip, viadev); 1096 snd_via82xx_set_table_ptr(chip, viadev); 1097 1098 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1099 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1100 fmt |= runtime->channels << 4; 1101 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1102 #if 0 1103 if (chip->revision == VIA_REV_8233A) 1104 slots = 0; 1105 else 1106 #endif 1107 { 1108 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1109 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1110 switch (runtime->channels) { 1111 case 1: slots = (1<<0) | (1<<4); break; 1112 case 2: slots = (1<<0) | (2<<4); break; 1113 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1114 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1115 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1116 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1117 default: slots = 0; break; 1118 } 1119 } 1120 /* STOP index is never reached */ 1121 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1122 udelay(20); 1123 snd_via82xx_codec_ready(chip, 0); 1124 return 0; 1125 } 1126 1127 /* 1128 * prepare callback for capture on via823x 1129 */ 1130 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1131 { 1132 struct via82xx *chip = snd_pcm_substream_chip(substream); 1133 struct viadev *viadev = substream->runtime->private_data; 1134 struct snd_pcm_runtime *runtime = substream->runtime; 1135 1136 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1137 return -EINVAL; 1138 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1139 snd_via82xx_channel_reset(chip, viadev); 1140 snd_via82xx_set_table_ptr(chip, viadev); 1141 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1142 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1143 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1144 0xff000000, /* STOP index is never reached */ 1145 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1146 udelay(20); 1147 snd_via82xx_codec_ready(chip, 0); 1148 return 0; 1149 } 1150 1151 1152 /* 1153 * pcm hardware definition, identical for both playback and capture 1154 */ 1155 static const struct snd_pcm_hardware snd_via82xx_hw = 1156 { 1157 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1158 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1159 SNDRV_PCM_INFO_MMAP_VALID | 1160 /* SNDRV_PCM_INFO_RESUME | */ 1161 SNDRV_PCM_INFO_PAUSE), 1162 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1163 .rates = SNDRV_PCM_RATE_48000, 1164 .rate_min = 48000, 1165 .rate_max = 48000, 1166 .channels_min = 1, 1167 .channels_max = 2, 1168 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1169 .period_bytes_min = 32, 1170 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1171 .periods_min = 2, 1172 .periods_max = VIA_TABLE_SIZE / 2, 1173 .fifo_size = 0, 1174 }; 1175 1176 1177 /* 1178 * open callback skeleton 1179 */ 1180 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1181 struct snd_pcm_substream *substream) 1182 { 1183 struct snd_pcm_runtime *runtime = substream->runtime; 1184 int err; 1185 struct via_rate_lock *ratep; 1186 bool use_src = false; 1187 1188 runtime->hw = snd_via82xx_hw; 1189 1190 /* set the hw rate condition */ 1191 ratep = &chip->rates[viadev->direction]; 1192 spin_lock_irq(&ratep->lock); 1193 ratep->used++; 1194 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1195 /* DXS#3 and spdif is on */ 1196 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1197 snd_pcm_limit_hw_rates(runtime); 1198 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1199 /* fixed DXS playback rate */ 1200 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1201 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1202 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1203 /* use full SRC capabilities of DXS */ 1204 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1205 SNDRV_PCM_RATE_8000_48000); 1206 runtime->hw.rate_min = 8000; 1207 runtime->hw.rate_max = 48000; 1208 use_src = true; 1209 } else if (! ratep->rate) { 1210 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1211 runtime->hw.rates = chip->ac97->rates[idx]; 1212 snd_pcm_limit_hw_rates(runtime); 1213 } else { 1214 /* a fixed rate */ 1215 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1216 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1217 } 1218 spin_unlock_irq(&ratep->lock); 1219 1220 /* we may remove following constaint when we modify table entries 1221 in interrupt */ 1222 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1223 return err; 1224 1225 if (use_src) { 1226 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1227 if (err < 0) 1228 return err; 1229 } 1230 1231 runtime->private_data = viadev; 1232 viadev->substream = substream; 1233 1234 return 0; 1235 } 1236 1237 1238 /* 1239 * open callback for playback on via686 1240 */ 1241 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1242 { 1243 struct via82xx *chip = snd_pcm_substream_chip(substream); 1244 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1245 int err; 1246 1247 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1248 return err; 1249 return 0; 1250 } 1251 1252 /* 1253 * open callback for playback on via823x DXS 1254 */ 1255 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1256 { 1257 struct via82xx *chip = snd_pcm_substream_chip(substream); 1258 struct viadev *viadev; 1259 unsigned int stream; 1260 int err; 1261 1262 viadev = &chip->devs[chip->playback_devno + substream->number]; 1263 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1264 return err; 1265 stream = viadev->reg_offset / 0x10; 1266 if (chip->dxs_controls[stream]) { 1267 chip->playback_volume[stream][0] = 1268 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1269 chip->playback_volume[stream][1] = 1270 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1271 chip->dxs_controls[stream]->vd[0].access &= 1272 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1273 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1274 SNDRV_CTL_EVENT_MASK_INFO, 1275 &chip->dxs_controls[stream]->id); 1276 } 1277 return 0; 1278 } 1279 1280 /* 1281 * open callback for playback on via823x multi-channel 1282 */ 1283 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1284 { 1285 struct via82xx *chip = snd_pcm_substream_chip(substream); 1286 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1287 int err; 1288 /* channels constraint for VIA8233A 1289 * 3 and 5 channels are not supported 1290 */ 1291 static const unsigned int channels[] = { 1292 1, 2, 4, 6 1293 }; 1294 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1295 .count = ARRAY_SIZE(channels), 1296 .list = channels, 1297 .mask = 0, 1298 }; 1299 1300 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1301 return err; 1302 substream->runtime->hw.channels_max = 6; 1303 if (chip->revision == VIA_REV_8233A) 1304 snd_pcm_hw_constraint_list(substream->runtime, 0, 1305 SNDRV_PCM_HW_PARAM_CHANNELS, 1306 &hw_constraints_channels); 1307 return 0; 1308 } 1309 1310 /* 1311 * open callback for capture on via686 and via823x 1312 */ 1313 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1314 { 1315 struct via82xx *chip = snd_pcm_substream_chip(substream); 1316 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1317 1318 return snd_via82xx_pcm_open(chip, viadev, substream); 1319 } 1320 1321 /* 1322 * close callback 1323 */ 1324 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1325 { 1326 struct via82xx *chip = snd_pcm_substream_chip(substream); 1327 struct viadev *viadev = substream->runtime->private_data; 1328 struct via_rate_lock *ratep; 1329 1330 /* release the rate lock */ 1331 ratep = &chip->rates[viadev->direction]; 1332 spin_lock_irq(&ratep->lock); 1333 ratep->used--; 1334 if (! ratep->used) 1335 ratep->rate = 0; 1336 spin_unlock_irq(&ratep->lock); 1337 if (! ratep->rate) { 1338 if (! viadev->direction) { 1339 snd_ac97_update_power(chip->ac97, 1340 AC97_PCM_FRONT_DAC_RATE, 0); 1341 snd_ac97_update_power(chip->ac97, 1342 AC97_PCM_SURR_DAC_RATE, 0); 1343 snd_ac97_update_power(chip->ac97, 1344 AC97_PCM_LFE_DAC_RATE, 0); 1345 } else 1346 snd_ac97_update_power(chip->ac97, 1347 AC97_PCM_LR_ADC_RATE, 0); 1348 } 1349 viadev->substream = NULL; 1350 return 0; 1351 } 1352 1353 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1354 { 1355 struct via82xx *chip = snd_pcm_substream_chip(substream); 1356 struct viadev *viadev = substream->runtime->private_data; 1357 unsigned int stream; 1358 1359 stream = viadev->reg_offset / 0x10; 1360 if (chip->dxs_controls[stream]) { 1361 chip->dxs_controls[stream]->vd[0].access |= 1362 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1363 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1364 &chip->dxs_controls[stream]->id); 1365 } 1366 return snd_via82xx_pcm_close(substream); 1367 } 1368 1369 1370 /* via686 playback callbacks */ 1371 static const struct snd_pcm_ops snd_via686_playback_ops = { 1372 .open = snd_via686_playback_open, 1373 .close = snd_via82xx_pcm_close, 1374 .ioctl = snd_pcm_lib_ioctl, 1375 .hw_params = snd_via82xx_hw_params, 1376 .hw_free = snd_via82xx_hw_free, 1377 .prepare = snd_via686_playback_prepare, 1378 .trigger = snd_via82xx_pcm_trigger, 1379 .pointer = snd_via686_pcm_pointer, 1380 .page = snd_pcm_sgbuf_ops_page, 1381 }; 1382 1383 /* via686 capture callbacks */ 1384 static const struct snd_pcm_ops snd_via686_capture_ops = { 1385 .open = snd_via82xx_capture_open, 1386 .close = snd_via82xx_pcm_close, 1387 .ioctl = snd_pcm_lib_ioctl, 1388 .hw_params = snd_via82xx_hw_params, 1389 .hw_free = snd_via82xx_hw_free, 1390 .prepare = snd_via686_capture_prepare, 1391 .trigger = snd_via82xx_pcm_trigger, 1392 .pointer = snd_via686_pcm_pointer, 1393 .page = snd_pcm_sgbuf_ops_page, 1394 }; 1395 1396 /* via823x DSX playback callbacks */ 1397 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1398 .open = snd_via8233_playback_open, 1399 .close = snd_via8233_playback_close, 1400 .ioctl = snd_pcm_lib_ioctl, 1401 .hw_params = snd_via82xx_hw_params, 1402 .hw_free = snd_via82xx_hw_free, 1403 .prepare = snd_via8233_playback_prepare, 1404 .trigger = snd_via82xx_pcm_trigger, 1405 .pointer = snd_via8233_pcm_pointer, 1406 .page = snd_pcm_sgbuf_ops_page, 1407 }; 1408 1409 /* via823x multi-channel playback callbacks */ 1410 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1411 .open = snd_via8233_multi_open, 1412 .close = snd_via82xx_pcm_close, 1413 .ioctl = snd_pcm_lib_ioctl, 1414 .hw_params = snd_via82xx_hw_params, 1415 .hw_free = snd_via82xx_hw_free, 1416 .prepare = snd_via8233_multi_prepare, 1417 .trigger = snd_via82xx_pcm_trigger, 1418 .pointer = snd_via8233_pcm_pointer, 1419 .page = snd_pcm_sgbuf_ops_page, 1420 }; 1421 1422 /* via823x capture callbacks */ 1423 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1424 .open = snd_via82xx_capture_open, 1425 .close = snd_via82xx_pcm_close, 1426 .ioctl = snd_pcm_lib_ioctl, 1427 .hw_params = snd_via82xx_hw_params, 1428 .hw_free = snd_via82xx_hw_free, 1429 .prepare = snd_via8233_capture_prepare, 1430 .trigger = snd_via82xx_pcm_trigger, 1431 .pointer = snd_via8233_pcm_pointer, 1432 .page = snd_pcm_sgbuf_ops_page, 1433 }; 1434 1435 1436 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1437 int shadow_pos, int direction) 1438 { 1439 chip->devs[idx].reg_offset = reg_offset; 1440 chip->devs[idx].shadow_shift = shadow_pos * 4; 1441 chip->devs[idx].direction = direction; 1442 chip->devs[idx].port = chip->port + reg_offset; 1443 } 1444 1445 /* 1446 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1447 */ 1448 static int snd_via8233_pcm_new(struct via82xx *chip) 1449 { 1450 struct snd_pcm *pcm; 1451 struct snd_pcm_chmap *chmap; 1452 int i, err; 1453 1454 chip->playback_devno = 0; /* x 4 */ 1455 chip->multi_devno = 4; /* x 1 */ 1456 chip->capture_devno = 5; /* x 2 */ 1457 chip->num_devs = 7; 1458 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1459 1460 /* PCM #0: 4 DSX playbacks and 1 capture */ 1461 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1462 if (err < 0) 1463 return err; 1464 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1465 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1466 pcm->private_data = chip; 1467 strcpy(pcm->name, chip->card->shortname); 1468 chip->pcms[0] = pcm; 1469 /* set up playbacks */ 1470 for (i = 0; i < 4; i++) 1471 init_viadev(chip, i, 0x10 * i, i, 0); 1472 /* capture */ 1473 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1474 1475 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1476 snd_dma_pci_data(chip->pci), 1477 64*1024, VIA_MAX_BUFSIZE); 1478 1479 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1480 snd_pcm_std_chmaps, 2, 0, 1481 &chmap); 1482 if (err < 0) 1483 return err; 1484 1485 /* PCM #1: multi-channel playback and 2nd capture */ 1486 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1487 if (err < 0) 1488 return err; 1489 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1490 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1491 pcm->private_data = chip; 1492 strcpy(pcm->name, chip->card->shortname); 1493 chip->pcms[1] = pcm; 1494 /* set up playback */ 1495 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1496 /* set up capture */ 1497 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1498 1499 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1500 snd_dma_pci_data(chip->pci), 1501 64*1024, VIA_MAX_BUFSIZE); 1502 1503 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1504 snd_pcm_alt_chmaps, 6, 0, 1505 &chmap); 1506 if (err < 0) 1507 return err; 1508 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1509 1510 return 0; 1511 } 1512 1513 /* 1514 * create pcm instances for VIA8233A 1515 */ 1516 static int snd_via8233a_pcm_new(struct via82xx *chip) 1517 { 1518 struct snd_pcm *pcm; 1519 struct snd_pcm_chmap *chmap; 1520 int err; 1521 1522 chip->multi_devno = 0; 1523 chip->playback_devno = 1; 1524 chip->capture_devno = 2; 1525 chip->num_devs = 3; 1526 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1527 1528 /* PCM #0: multi-channel playback and capture */ 1529 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1530 if (err < 0) 1531 return err; 1532 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1533 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1534 pcm->private_data = chip; 1535 strcpy(pcm->name, chip->card->shortname); 1536 chip->pcms[0] = pcm; 1537 /* set up playback */ 1538 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1539 /* capture */ 1540 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1541 1542 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1543 snd_dma_pci_data(chip->pci), 1544 64*1024, VIA_MAX_BUFSIZE); 1545 1546 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1547 snd_pcm_alt_chmaps, 6, 0, 1548 &chmap); 1549 if (err < 0) 1550 return err; 1551 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1552 1553 /* SPDIF supported? */ 1554 if (! ac97_can_spdif(chip->ac97)) 1555 return 0; 1556 1557 /* PCM #1: DXS3 playback (for spdif) */ 1558 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1559 if (err < 0) 1560 return err; 1561 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1562 pcm->private_data = chip; 1563 strcpy(pcm->name, chip->card->shortname); 1564 chip->pcms[1] = pcm; 1565 /* set up playback */ 1566 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1567 1568 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1569 snd_dma_pci_data(chip->pci), 1570 64*1024, VIA_MAX_BUFSIZE); 1571 return 0; 1572 } 1573 1574 /* 1575 * create a pcm instance for via686a/b 1576 */ 1577 static int snd_via686_pcm_new(struct via82xx *chip) 1578 { 1579 struct snd_pcm *pcm; 1580 int err; 1581 1582 chip->playback_devno = 0; 1583 chip->capture_devno = 1; 1584 chip->num_devs = 2; 1585 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1586 1587 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1588 if (err < 0) 1589 return err; 1590 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1591 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1592 pcm->private_data = chip; 1593 strcpy(pcm->name, chip->card->shortname); 1594 chip->pcms[0] = pcm; 1595 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1596 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1597 1598 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1599 snd_dma_pci_data(chip->pci), 1600 64*1024, VIA_MAX_BUFSIZE); 1601 return 0; 1602 } 1603 1604 1605 /* 1606 * Mixer part 1607 */ 1608 1609 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1610 struct snd_ctl_elem_info *uinfo) 1611 { 1612 /* formerly they were "Line" and "Mic", but it looks like that they 1613 * have nothing to do with the actual physical connections... 1614 */ 1615 static const char * const texts[2] = { 1616 "Input1", "Input2" 1617 }; 1618 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1619 } 1620 1621 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1622 struct snd_ctl_elem_value *ucontrol) 1623 { 1624 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1625 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1626 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1627 return 0; 1628 } 1629 1630 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1631 struct snd_ctl_elem_value *ucontrol) 1632 { 1633 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1634 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1635 u8 val, oval; 1636 1637 spin_lock_irq(&chip->reg_lock); 1638 oval = inb(port); 1639 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1640 if (ucontrol->value.enumerated.item[0]) 1641 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1642 if (val != oval) 1643 outb(val, port); 1644 spin_unlock_irq(&chip->reg_lock); 1645 return val != oval; 1646 } 1647 1648 static struct snd_kcontrol_new snd_via8233_capture_source = { 1649 .name = "Input Source Select", 1650 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1651 .info = snd_via8233_capture_source_info, 1652 .get = snd_via8233_capture_source_get, 1653 .put = snd_via8233_capture_source_put, 1654 }; 1655 1656 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1657 1658 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1659 struct snd_ctl_elem_value *ucontrol) 1660 { 1661 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1662 u8 val; 1663 1664 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1665 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1666 return 0; 1667 } 1668 1669 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1670 struct snd_ctl_elem_value *ucontrol) 1671 { 1672 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1673 u8 val, oval; 1674 1675 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1676 val = oval & ~VIA8233_SPDIF_DX3; 1677 if (ucontrol->value.integer.value[0]) 1678 val |= VIA8233_SPDIF_DX3; 1679 /* save the spdif flag for rate filtering */ 1680 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1681 if (val != oval) { 1682 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1683 return 1; 1684 } 1685 return 0; 1686 } 1687 1688 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1689 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1690 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1691 .info = snd_via8233_dxs3_spdif_info, 1692 .get = snd_via8233_dxs3_spdif_get, 1693 .put = snd_via8233_dxs3_spdif_put, 1694 }; 1695 1696 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1697 struct snd_ctl_elem_info *uinfo) 1698 { 1699 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1700 uinfo->count = 2; 1701 uinfo->value.integer.min = 0; 1702 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1703 return 0; 1704 } 1705 1706 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1707 struct snd_ctl_elem_value *ucontrol) 1708 { 1709 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1710 unsigned int idx = kcontrol->id.subdevice; 1711 1712 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1713 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1714 return 0; 1715 } 1716 1717 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1718 struct snd_ctl_elem_value *ucontrol) 1719 { 1720 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1721 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1722 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1723 return 0; 1724 } 1725 1726 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1727 struct snd_ctl_elem_value *ucontrol) 1728 { 1729 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1730 unsigned int idx = kcontrol->id.subdevice; 1731 unsigned long port = chip->port + 0x10 * idx; 1732 unsigned char val; 1733 int i, change = 0; 1734 1735 for (i = 0; i < 2; i++) { 1736 val = ucontrol->value.integer.value[i]; 1737 if (val > VIA_DXS_MAX_VOLUME) 1738 val = VIA_DXS_MAX_VOLUME; 1739 val = VIA_DXS_MAX_VOLUME - val; 1740 change |= val != chip->playback_volume[idx][i]; 1741 if (change) { 1742 chip->playback_volume[idx][i] = val; 1743 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1744 } 1745 } 1746 return change; 1747 } 1748 1749 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1750 struct snd_ctl_elem_value *ucontrol) 1751 { 1752 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1753 unsigned int idx; 1754 unsigned char val; 1755 int i, change = 0; 1756 1757 for (i = 0; i < 2; i++) { 1758 val = ucontrol->value.integer.value[i]; 1759 if (val > VIA_DXS_MAX_VOLUME) 1760 val = VIA_DXS_MAX_VOLUME; 1761 val = VIA_DXS_MAX_VOLUME - val; 1762 if (val != chip->playback_volume_c[i]) { 1763 change = 1; 1764 chip->playback_volume_c[i] = val; 1765 for (idx = 0; idx < 4; idx++) { 1766 unsigned long port = chip->port + 0x10 * idx; 1767 chip->playback_volume[idx][i] = val; 1768 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1769 } 1770 } 1771 } 1772 return change; 1773 } 1774 1775 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1776 1777 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1778 .name = "PCM Playback Volume", 1779 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1780 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1781 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1782 .info = snd_via8233_dxs_volume_info, 1783 .get = snd_via8233_pcmdxs_volume_get, 1784 .put = snd_via8233_pcmdxs_volume_put, 1785 .tlv = { .p = db_scale_dxs } 1786 }; 1787 1788 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1789 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1790 .device = 0, 1791 /* .subdevice set later */ 1792 .name = "PCM Playback Volume", 1793 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1794 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1795 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1796 .info = snd_via8233_dxs_volume_info, 1797 .get = snd_via8233_dxs_volume_get, 1798 .put = snd_via8233_dxs_volume_put, 1799 .tlv = { .p = db_scale_dxs } 1800 }; 1801 1802 /* 1803 */ 1804 1805 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1806 { 1807 struct via82xx *chip = bus->private_data; 1808 chip->ac97_bus = NULL; 1809 } 1810 1811 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1812 { 1813 struct via82xx *chip = ac97->private_data; 1814 chip->ac97 = NULL; 1815 } 1816 1817 static const struct ac97_quirk ac97_quirks[] = { 1818 { 1819 .subvendor = 0x1106, 1820 .subdevice = 0x4161, 1821 .codec_id = 0x56494161, /* VT1612A */ 1822 .name = "Soltek SL-75DRV5", 1823 .type = AC97_TUNE_NONE 1824 }, 1825 { /* FIXME: which codec? */ 1826 .subvendor = 0x1106, 1827 .subdevice = 0x4161, 1828 .name = "ASRock K7VT2", 1829 .type = AC97_TUNE_HP_ONLY 1830 }, 1831 { 1832 .subvendor = 0x110a, 1833 .subdevice = 0x0079, 1834 .name = "Fujitsu Siemens D1289", 1835 .type = AC97_TUNE_HP_ONLY 1836 }, 1837 { 1838 .subvendor = 0x1019, 1839 .subdevice = 0x0a81, 1840 .name = "ECS K7VTA3", 1841 .type = AC97_TUNE_HP_ONLY 1842 }, 1843 { 1844 .subvendor = 0x1019, 1845 .subdevice = 0x0a85, 1846 .name = "ECS L7VMM2", 1847 .type = AC97_TUNE_HP_ONLY 1848 }, 1849 { 1850 .subvendor = 0x1019, 1851 .subdevice = 0x1841, 1852 .name = "ECS K7VTA3", 1853 .type = AC97_TUNE_HP_ONLY 1854 }, 1855 { 1856 .subvendor = 0x1849, 1857 .subdevice = 0x3059, 1858 .name = "ASRock K7VM2", 1859 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1860 }, 1861 { 1862 .subvendor = 0x14cd, 1863 .subdevice = 0x7002, 1864 .name = "Unknown", 1865 .type = AC97_TUNE_ALC_JACK 1866 }, 1867 { 1868 .subvendor = 0x1071, 1869 .subdevice = 0x8590, 1870 .name = "Mitac Mobo", 1871 .type = AC97_TUNE_ALC_JACK 1872 }, 1873 { 1874 .subvendor = 0x161f, 1875 .subdevice = 0x202b, 1876 .name = "Arima Notebook", 1877 .type = AC97_TUNE_HP_ONLY, 1878 }, 1879 { 1880 .subvendor = 0x161f, 1881 .subdevice = 0x2032, 1882 .name = "Targa Traveller 811", 1883 .type = AC97_TUNE_HP_ONLY, 1884 }, 1885 { 1886 .subvendor = 0x161f, 1887 .subdevice = 0x2032, 1888 .name = "m680x", 1889 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1890 }, 1891 { 1892 .subvendor = 0x1297, 1893 .subdevice = 0xa232, 1894 .name = "Shuttle AK32VN", 1895 .type = AC97_TUNE_HP_ONLY 1896 }, 1897 { } /* terminator */ 1898 }; 1899 1900 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1901 { 1902 struct snd_ac97_template ac97; 1903 int err; 1904 static struct snd_ac97_bus_ops ops = { 1905 .write = snd_via82xx_codec_write, 1906 .read = snd_via82xx_codec_read, 1907 .wait = snd_via82xx_codec_wait, 1908 }; 1909 1910 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1911 return err; 1912 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1913 chip->ac97_bus->clock = chip->ac97_clock; 1914 1915 memset(&ac97, 0, sizeof(ac97)); 1916 ac97.private_data = chip; 1917 ac97.private_free = snd_via82xx_mixer_free_ac97; 1918 ac97.pci = chip->pci; 1919 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1920 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1921 return err; 1922 1923 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1924 1925 if (chip->chip_type != TYPE_VIA686) { 1926 /* use slot 10/11 */ 1927 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1928 } 1929 1930 return 0; 1931 } 1932 1933 #ifdef SUPPORT_JOYSTICK 1934 #define JOYSTICK_ADDR 0x200 1935 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1936 { 1937 struct gameport *gp; 1938 struct resource *r; 1939 1940 if (!joystick) 1941 return -ENODEV; 1942 1943 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1944 if (!r) { 1945 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1946 JOYSTICK_ADDR); 1947 return -EBUSY; 1948 } 1949 1950 chip->gameport = gp = gameport_allocate_port(); 1951 if (!gp) { 1952 dev_err(chip->card->dev, 1953 "cannot allocate memory for gameport\n"); 1954 release_and_free_resource(r); 1955 return -ENOMEM; 1956 } 1957 1958 gameport_set_name(gp, "VIA686 Gameport"); 1959 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1960 gameport_set_dev_parent(gp, &chip->pci->dev); 1961 gp->io = JOYSTICK_ADDR; 1962 gameport_set_port_data(gp, r); 1963 1964 /* Enable legacy joystick port */ 1965 *legacy |= VIA_FUNC_ENABLE_GAME; 1966 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1967 1968 gameport_register_port(chip->gameport); 1969 1970 return 0; 1971 } 1972 1973 static void snd_via686_free_gameport(struct via82xx *chip) 1974 { 1975 if (chip->gameport) { 1976 struct resource *r = gameport_get_port_data(chip->gameport); 1977 1978 gameport_unregister_port(chip->gameport); 1979 chip->gameport = NULL; 1980 release_and_free_resource(r); 1981 } 1982 } 1983 #else 1984 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1985 { 1986 return -ENOSYS; 1987 } 1988 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1989 #endif 1990 1991 1992 /* 1993 * 1994 */ 1995 1996 static int snd_via8233_init_misc(struct via82xx *chip) 1997 { 1998 int i, err, caps; 1999 unsigned char val; 2000 2001 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 2002 for (i = 0; i < caps; i++) { 2003 snd_via8233_capture_source.index = i; 2004 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 2005 if (err < 0) 2006 return err; 2007 } 2008 if (ac97_can_spdif(chip->ac97)) { 2009 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 2010 if (err < 0) 2011 return err; 2012 } 2013 if (chip->chip_type != TYPE_VIA8233A) { 2014 /* when no h/w PCM volume control is found, use DXS volume control 2015 * as the PCM vol control 2016 */ 2017 struct snd_ctl_elem_id sid; 2018 memset(&sid, 0, sizeof(sid)); 2019 strcpy(sid.name, "PCM Playback Volume"); 2020 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2021 if (! snd_ctl_find_id(chip->card, &sid)) { 2022 dev_info(chip->card->dev, 2023 "Using DXS as PCM Playback\n"); 2024 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 2025 if (err < 0) 2026 return err; 2027 } 2028 else /* Using DXS when PCM emulation is enabled is really weird */ 2029 { 2030 for (i = 0; i < 4; ++i) { 2031 struct snd_kcontrol *kctl; 2032 2033 kctl = snd_ctl_new1( 2034 &snd_via8233_dxs_volume_control, chip); 2035 if (!kctl) 2036 return -ENOMEM; 2037 kctl->id.subdevice = i; 2038 err = snd_ctl_add(chip->card, kctl); 2039 if (err < 0) 2040 return err; 2041 chip->dxs_controls[i] = kctl; 2042 } 2043 } 2044 } 2045 /* select spdif data slot 10/11 */ 2046 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2047 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2048 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2049 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2050 2051 return 0; 2052 } 2053 2054 static int snd_via686_init_misc(struct via82xx *chip) 2055 { 2056 unsigned char legacy, legacy_cfg; 2057 int rev_h = 0; 2058 2059 legacy = chip->old_legacy; 2060 legacy_cfg = chip->old_legacy_cfg; 2061 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2062 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2063 if (chip->revision >= VIA_REV_686_H) { 2064 rev_h = 1; 2065 if (mpu_port >= 0x200) { /* force MIDI */ 2066 mpu_port &= 0xfffc; 2067 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2068 #ifdef CONFIG_PM_SLEEP 2069 chip->mpu_port_saved = mpu_port; 2070 #endif 2071 } else { 2072 mpu_port = pci_resource_start(chip->pci, 2); 2073 } 2074 } else { 2075 switch (mpu_port) { /* force MIDI */ 2076 case 0x300: 2077 case 0x310: 2078 case 0x320: 2079 case 0x330: 2080 legacy_cfg &= ~(3 << 2); 2081 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2082 break; 2083 default: /* no, use BIOS settings */ 2084 if (legacy & VIA_FUNC_ENABLE_MIDI) 2085 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2086 break; 2087 } 2088 } 2089 if (mpu_port >= 0x200 && 2090 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2091 != NULL) { 2092 if (rev_h) 2093 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2094 legacy |= VIA_FUNC_ENABLE_MIDI; 2095 } else { 2096 if (rev_h) 2097 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2098 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2099 mpu_port = 0; 2100 } 2101 2102 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2103 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2104 if (chip->mpu_res) { 2105 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2106 mpu_port, MPU401_INFO_INTEGRATED | 2107 MPU401_INFO_IRQ_HOOK, -1, 2108 &chip->rmidi) < 0) { 2109 dev_warn(chip->card->dev, 2110 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2111 mpu_port); 2112 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2113 } else { 2114 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2115 } 2116 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2117 } 2118 2119 snd_via686_create_gameport(chip, &legacy); 2120 2121 #ifdef CONFIG_PM_SLEEP 2122 chip->legacy_saved = legacy; 2123 chip->legacy_cfg_saved = legacy_cfg; 2124 #endif 2125 2126 return 0; 2127 } 2128 2129 2130 /* 2131 * proc interface 2132 */ 2133 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2134 struct snd_info_buffer *buffer) 2135 { 2136 struct via82xx *chip = entry->private_data; 2137 int i; 2138 2139 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2140 for (i = 0; i < 0xa0; i += 4) { 2141 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2142 } 2143 } 2144 2145 static void snd_via82xx_proc_init(struct via82xx *chip) 2146 { 2147 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2148 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 < chip->num_devs; i++) 2280 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2281 synchronize_irq(chip->irq); 2282 snd_ac97_suspend(chip->ac97); 2283 2284 /* save misc values */ 2285 if (chip->chip_type != TYPE_VIA686) { 2286 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2287 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2288 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2289 } 2290 2291 return 0; 2292 } 2293 2294 static int snd_via82xx_resume(struct device *dev) 2295 { 2296 struct snd_card *card = dev_get_drvdata(dev); 2297 struct via82xx *chip = card->private_data; 2298 int i; 2299 2300 snd_via82xx_chip_init(chip); 2301 2302 if (chip->chip_type == TYPE_VIA686) { 2303 if (chip->mpu_port_saved) 2304 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2305 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2306 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2307 } else { 2308 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2309 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2310 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2311 } 2312 2313 snd_ac97_resume(chip->ac97); 2314 2315 for (i = 0; i < chip->num_devs; i++) 2316 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2317 2318 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2319 return 0; 2320 } 2321 2322 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2323 #define SND_VIA82XX_PM_OPS &snd_via82xx_pm 2324 #else 2325 #define SND_VIA82XX_PM_OPS NULL 2326 #endif /* CONFIG_PM_SLEEP */ 2327 2328 static int snd_via82xx_free(struct via82xx *chip) 2329 { 2330 unsigned int i; 2331 2332 if (chip->irq < 0) 2333 goto __end_hw; 2334 /* disable interrupts */ 2335 for (i = 0; i < chip->num_devs; i++) 2336 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2337 2338 if (chip->irq >= 0) 2339 free_irq(chip->irq, chip); 2340 __end_hw: 2341 release_and_free_resource(chip->mpu_res); 2342 pci_release_regions(chip->pci); 2343 2344 if (chip->chip_type == TYPE_VIA686) { 2345 snd_via686_free_gameport(chip); 2346 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2347 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2348 } 2349 pci_disable_device(chip->pci); 2350 kfree(chip); 2351 return 0; 2352 } 2353 2354 static int snd_via82xx_dev_free(struct snd_device *device) 2355 { 2356 struct via82xx *chip = device->device_data; 2357 return snd_via82xx_free(chip); 2358 } 2359 2360 static int snd_via82xx_create(struct snd_card *card, 2361 struct pci_dev *pci, 2362 int chip_type, 2363 int revision, 2364 unsigned int ac97_clock, 2365 struct via82xx **r_via) 2366 { 2367 struct via82xx *chip; 2368 int err; 2369 static struct snd_device_ops ops = { 2370 .dev_free = snd_via82xx_dev_free, 2371 }; 2372 2373 if ((err = pci_enable_device(pci)) < 0) 2374 return err; 2375 2376 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2377 pci_disable_device(pci); 2378 return -ENOMEM; 2379 } 2380 2381 chip->chip_type = chip_type; 2382 chip->revision = revision; 2383 2384 spin_lock_init(&chip->reg_lock); 2385 spin_lock_init(&chip->rates[0].lock); 2386 spin_lock_init(&chip->rates[1].lock); 2387 chip->card = card; 2388 chip->pci = pci; 2389 chip->irq = -1; 2390 2391 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2392 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2393 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2394 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2395 2396 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2397 kfree(chip); 2398 pci_disable_device(pci); 2399 return err; 2400 } 2401 chip->port = pci_resource_start(pci, 0); 2402 if (request_irq(pci->irq, 2403 chip_type == TYPE_VIA8233 ? 2404 snd_via8233_interrupt : snd_via686_interrupt, 2405 IRQF_SHARED, 2406 KBUILD_MODNAME, chip)) { 2407 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2408 snd_via82xx_free(chip); 2409 return -EBUSY; 2410 } 2411 chip->irq = pci->irq; 2412 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2413 chip->ac97_clock = ac97_clock; 2414 synchronize_irq(chip->irq); 2415 2416 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2417 snd_via82xx_free(chip); 2418 return err; 2419 } 2420 2421 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2422 snd_via82xx_free(chip); 2423 return err; 2424 } 2425 2426 /* The 8233 ac97 controller does not implement the master bit 2427 * in the pci command register. IMHO this is a violation of the PCI spec. 2428 * We call pci_set_master here because it does not hurt. */ 2429 pci_set_master(pci); 2430 2431 *r_via = chip; 2432 return 0; 2433 } 2434 2435 struct via823x_info { 2436 int revision; 2437 char *name; 2438 int type; 2439 }; 2440 static struct via823x_info via823x_cards[] = { 2441 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2442 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2443 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2444 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2445 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2446 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2447 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2448 }; 2449 2450 /* 2451 * auto detection of DXS channel supports. 2452 */ 2453 2454 static struct snd_pci_quirk dxs_whitelist[] = { 2455 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2456 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2457 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2458 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2459 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2460 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2461 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2462 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2463 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2464 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2465 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2466 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2467 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2468 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2469 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2470 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2471 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2472 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2473 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2474 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2475 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2476 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2477 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2478 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2479 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2480 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2481 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2482 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2483 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2484 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2485 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2486 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2487 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2488 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2489 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2490 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2491 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2492 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2493 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2494 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2495 { } /* terminator */ 2496 }; 2497 2498 static int check_dxs_list(struct pci_dev *pci, int revision) 2499 { 2500 const struct snd_pci_quirk *w; 2501 2502 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2503 if (w) { 2504 dev_dbg(&pci->dev, "DXS white list for %s found\n", 2505 snd_pci_quirk_name(w)); 2506 return w->value; 2507 } 2508 2509 /* for newer revision, default to DXS_SRC */ 2510 if (revision >= VIA_REV_8235) 2511 return VIA_DXS_SRC; 2512 2513 /* 2514 * not detected, try 48k rate only to be sure. 2515 */ 2516 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2517 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2518 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2519 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2520 return VIA_DXS_48K; 2521 }; 2522 2523 static int snd_via82xx_probe(struct pci_dev *pci, 2524 const struct pci_device_id *pci_id) 2525 { 2526 struct snd_card *card; 2527 struct via82xx *chip; 2528 int chip_type = 0, card_type; 2529 unsigned int i; 2530 int err; 2531 2532 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2533 if (err < 0) 2534 return err; 2535 2536 card_type = pci_id->driver_data; 2537 switch (card_type) { 2538 case TYPE_CARD_VIA686: 2539 strcpy(card->driver, "VIA686A"); 2540 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2541 chip_type = TYPE_VIA686; 2542 break; 2543 case TYPE_CARD_VIA8233: 2544 chip_type = TYPE_VIA8233; 2545 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2546 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2547 if (pci->revision == via823x_cards[i].revision) { 2548 chip_type = via823x_cards[i].type; 2549 strcpy(card->shortname, via823x_cards[i].name); 2550 break; 2551 } 2552 } 2553 if (chip_type != TYPE_VIA8233A) { 2554 if (dxs_support == VIA_DXS_AUTO) 2555 dxs_support = check_dxs_list(pci, pci->revision); 2556 /* force to use VIA8233 or 8233A model according to 2557 * dxs_support module option 2558 */ 2559 if (dxs_support == VIA_DXS_DISABLE) 2560 chip_type = TYPE_VIA8233A; 2561 else 2562 chip_type = TYPE_VIA8233; 2563 } 2564 if (chip_type == TYPE_VIA8233A) 2565 strcpy(card->driver, "VIA8233A"); 2566 else if (pci->revision >= VIA_REV_8237) 2567 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2568 else 2569 strcpy(card->driver, "VIA8233"); 2570 break; 2571 default: 2572 dev_err(card->dev, "invalid card type %d\n", card_type); 2573 err = -EINVAL; 2574 goto __error; 2575 } 2576 2577 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2578 ac97_clock, &chip)) < 0) 2579 goto __error; 2580 card->private_data = chip; 2581 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2582 goto __error; 2583 2584 if (chip_type == TYPE_VIA686) { 2585 if ((err = snd_via686_pcm_new(chip)) < 0 || 2586 (err = snd_via686_init_misc(chip)) < 0) 2587 goto __error; 2588 } else { 2589 if (chip_type == TYPE_VIA8233A) { 2590 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2591 goto __error; 2592 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2593 } else { 2594 if ((err = snd_via8233_pcm_new(chip)) < 0) 2595 goto __error; 2596 if (dxs_support == VIA_DXS_48K) 2597 chip->dxs_fixed = 1; 2598 else if (dxs_support == VIA_DXS_NO_VRA) 2599 chip->no_vra = 1; 2600 else if (dxs_support == VIA_DXS_SRC) { 2601 chip->no_vra = 1; 2602 chip->dxs_src = 1; 2603 } 2604 } 2605 if ((err = snd_via8233_init_misc(chip)) < 0) 2606 goto __error; 2607 } 2608 2609 /* disable interrupts */ 2610 for (i = 0; i < chip->num_devs; i++) 2611 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2612 2613 snprintf(card->longname, sizeof(card->longname), 2614 "%s with %s at %#lx, irq %d", card->shortname, 2615 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2616 2617 snd_via82xx_proc_init(chip); 2618 2619 if ((err = snd_card_register(card)) < 0) { 2620 snd_card_free(card); 2621 return err; 2622 } 2623 pci_set_drvdata(pci, card); 2624 return 0; 2625 2626 __error: 2627 snd_card_free(card); 2628 return err; 2629 } 2630 2631 static void snd_via82xx_remove(struct pci_dev *pci) 2632 { 2633 snd_card_free(pci_get_drvdata(pci)); 2634 } 2635 2636 static struct pci_driver via82xx_driver = { 2637 .name = KBUILD_MODNAME, 2638 .id_table = snd_via82xx_ids, 2639 .probe = snd_via82xx_probe, 2640 .remove = snd_via82xx_remove, 2641 .driver = { 2642 .pm = SND_VIA82XX_PM_OPS, 2643 }, 2644 }; 2645 2646 module_pci_driver(via82xx_driver); 2647