1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ALSA driver for VIA VT82xx (South Bridge) 4 * 5 * VT82C686A/B/C, VT8233A/C, VT8235 6 * 7 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 8 * Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> 9 * 2002 Takashi Iwai <tiwai@suse.de> 10 */ 11 12 /* 13 * Changes: 14 * 15 * Dec. 19, 2002 Takashi Iwai <tiwai@suse.de> 16 * - use the DSX channels for the first pcm playback. 17 * (on VIA8233, 8233C and 8235 only) 18 * this will allow you play simultaneously up to 4 streams. 19 * multi-channel playback is assigned to the second device 20 * on these chips. 21 * - support the secondary capture (on VIA8233/C,8235) 22 * - SPDIF support 23 * the DSX3 channel can be used for SPDIF output. 24 * on VIA8233A, this channel is assigned to the second pcm 25 * playback. 26 * the card config of alsa-lib will assign the correct 27 * device for applications. 28 * - clean up the code, separate low-level initialization 29 * routines for each chipset. 30 * 31 * Sep. 26, 2005 Karsten Wiese <annabellesgarden@yahoo.de> 32 * - Optimize position calculation for the 823x chips. 33 */ 34 35 #include <linux/io.h> 36 #include <linux/delay.h> 37 #include <linux/interrupt.h> 38 #include <linux/init.h> 39 #include <linux/pci.h> 40 #include <linux/slab.h> 41 #include <linux/gameport.h> 42 #include <linux/module.h> 43 #include <sound/core.h> 44 #include <sound/pcm.h> 45 #include <sound/pcm_params.h> 46 #include <sound/info.h> 47 #include <sound/tlv.h> 48 #include <sound/ac97_codec.h> 49 #include <sound/mpu401.h> 50 #include <sound/initval.h> 51 52 #if 0 53 #define POINTER_DEBUG 54 #endif 55 56 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 57 MODULE_DESCRIPTION("VIA VT82xx audio"); 58 MODULE_LICENSE("GPL"); 59 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 60 61 #if IS_REACHABLE(CONFIG_GAMEPORT) 62 #define SUPPORT_JOYSTICK 1 63 #endif 64 65 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 66 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 67 static long mpu_port; 68 #ifdef SUPPORT_JOYSTICK 69 static bool joystick; 70 #endif 71 static int ac97_clock = 48000; 72 static char *ac97_quirk; 73 static int dxs_support; 74 static int dxs_init_volume = 31; 75 static int nodelay; 76 77 module_param(index, int, 0444); 78 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 79 module_param(id, charp, 0444); 80 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 81 module_param_hw(mpu_port, long, ioport, 0444); 82 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 83 #ifdef SUPPORT_JOYSTICK 84 module_param(joystick, bool, 0444); 85 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 86 #endif 87 module_param(ac97_clock, int, 0444); 88 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 89 module_param(ac97_quirk, charp, 0444); 90 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 91 module_param(dxs_support, int, 0444); 92 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)"); 93 module_param(dxs_init_volume, int, 0644); 94 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 95 module_param(nodelay, int, 0444); 96 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 97 98 /* just for backward compatibility */ 99 static bool enable; 100 module_param(enable, bool, 0444); 101 102 103 /* revision numbers for via686 */ 104 #define VIA_REV_686_A 0x10 105 #define VIA_REV_686_B 0x11 106 #define VIA_REV_686_C 0x12 107 #define VIA_REV_686_D 0x13 108 #define VIA_REV_686_E 0x14 109 #define VIA_REV_686_H 0x20 110 111 /* revision numbers for via8233 */ 112 #define VIA_REV_PRE_8233 0x10 /* not in market */ 113 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 114 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 115 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 116 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 117 #define VIA_REV_8237 0x60 118 #define VIA_REV_8251 0x70 119 120 /* 121 * Direct registers 122 */ 123 124 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 125 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 126 127 /* common offsets */ 128 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 129 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 130 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 131 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 132 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 133 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 134 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 135 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 136 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 137 #define VIA_REG_CTRL_START 0x80 /* WO */ 138 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 139 #define VIA_REG_CTRL_AUTOSTART 0x20 140 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 141 #define VIA_REG_CTRL_INT_STOP 0x04 142 #define VIA_REG_CTRL_INT_EOL 0x02 143 #define VIA_REG_CTRL_INT_FLAG 0x01 144 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 145 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 146 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 147 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 148 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 149 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 150 #define VIA_REG_TYPE_INT_LLINE 0x00 151 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 152 #define VIA_REG_TYPE_INT_LESSONE 0x08 153 #define VIA_REG_TYPE_INT_MASK 0x0c 154 #define VIA_REG_TYPE_INT_EOL 0x02 155 #define VIA_REG_TYPE_INT_FLAG 0x01 156 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 157 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 158 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 159 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 160 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 161 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 162 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 163 164 #define DEFINE_VIA_REGSET(name,val) \ 165 enum {\ 166 VIA_REG_##name##_STATUS = (val),\ 167 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 168 VIA_REG_##name##_TYPE = (val) + 0x02,\ 169 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 170 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 171 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 172 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 173 } 174 175 /* playback block */ 176 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 177 DEFINE_VIA_REGSET(CAPTURE, 0x10); 178 DEFINE_VIA_REGSET(FM, 0x20); 179 180 /* AC'97 */ 181 #define VIA_REG_AC97 0x80 /* dword */ 182 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 183 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 184 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 185 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 186 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 187 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 188 #define VIA_REG_AC97_BUSY (1<<24) 189 #define VIA_REG_AC97_READ (1<<23) 190 #define VIA_REG_AC97_CMD_SHIFT 16 191 #define VIA_REG_AC97_CMD_MASK 0x7e 192 #define VIA_REG_AC97_DATA_SHIFT 0 193 #define VIA_REG_AC97_DATA_MASK 0xffff 194 195 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 196 /* via686 */ 197 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 198 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 199 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 200 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 201 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 202 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 203 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 204 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 205 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 206 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 207 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 208 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 209 /* via8233 */ 210 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 211 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 212 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 213 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 214 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 215 #define VIA8233_REG_SGD_CHAN_SDX 0 216 #define VIA8233_REG_SGD_CHAN_MULTI 4 217 #define VIA8233_REG_SGD_CHAN_REC 6 218 #define VIA8233_REG_SGD_CHAN_REC1 7 219 220 #define VIA_REG_GPI_STATUS 0x88 221 #define VIA_REG_GPI_INTR 0x8c 222 223 /* multi-channel and capture registers for via8233 */ 224 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 225 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 226 227 /* via8233-specific registers */ 228 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 229 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 230 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 231 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 232 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 233 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 234 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 235 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 236 237 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 238 239 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 240 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 241 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 242 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 243 244 #define VIA_TBL_BIT_FLAG 0x40000000 245 #define VIA_TBL_BIT_EOL 0x80000000 246 247 /* pci space */ 248 #define VIA_ACLINK_STAT 0x40 249 #define VIA_ACLINK_C11_READY 0x20 250 #define VIA_ACLINK_C10_READY 0x10 251 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 252 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 253 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 254 #define VIA_ACLINK_CTRL 0x41 255 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 256 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 257 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 258 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 259 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 260 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 261 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 262 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 263 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 264 VIA_ACLINK_CTRL_RESET|\ 265 VIA_ACLINK_CTRL_PCM|\ 266 VIA_ACLINK_CTRL_VRA) 267 #define VIA_FUNC_ENABLE 0x42 268 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 269 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 270 #define VIA_FUNC_RX2C_WRITE 0x20 271 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 272 #define VIA_FUNC_ENABLE_GAME 0x08 273 #define VIA_FUNC_ENABLE_FM 0x04 274 #define VIA_FUNC_ENABLE_MIDI 0x02 275 #define VIA_FUNC_ENABLE_SB 0x01 276 #define VIA_PNP_CONTROL 0x43 277 #define VIA_FM_NMI_CTRL 0x48 278 #define VIA8233_VOLCHG_CTRL 0x48 279 #define VIA8233_SPDIF_CTRL 0x49 280 #define VIA8233_SPDIF_DX3 0x08 281 #define VIA8233_SPDIF_SLOT_MASK 0x03 282 #define VIA8233_SPDIF_SLOT_1011 0x00 283 #define VIA8233_SPDIF_SLOT_34 0x01 284 #define VIA8233_SPDIF_SLOT_78 0x02 285 #define VIA8233_SPDIF_SLOT_69 0x03 286 287 /* 288 */ 289 290 #define VIA_DXS_AUTO 0 291 #define VIA_DXS_ENABLE 1 292 #define VIA_DXS_DISABLE 2 293 #define VIA_DXS_48K 3 294 #define VIA_DXS_NO_VRA 4 295 #define VIA_DXS_SRC 5 296 297 298 /* 299 * pcm stream 300 */ 301 302 struct snd_via_sg_table { 303 unsigned int offset; 304 unsigned int size; 305 } ; 306 307 #define VIA_TABLE_SIZE 255 308 #define VIA_MAX_BUFSIZE (1<<24) 309 310 struct viadev { 311 unsigned int reg_offset; 312 unsigned long port; 313 int direction; /* playback = 0, capture = 1 */ 314 struct snd_pcm_substream *substream; 315 int running; 316 unsigned int tbl_entries; /* # descriptors */ 317 struct snd_dma_buffer table; 318 struct snd_via_sg_table *idx_table; 319 /* for recovery from the unexpected pointer */ 320 unsigned int lastpos; 321 unsigned int fragsize; 322 unsigned int bufsize; 323 unsigned int bufsize2; 324 int hwptr_done; /* processed frame position in the buffer */ 325 int in_interrupt; 326 int shadow_shift; 327 }; 328 329 330 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 331 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 332 333 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 334 335 struct via_rate_lock { 336 spinlock_t lock; 337 int rate; 338 int used; 339 }; 340 341 struct via82xx { 342 int irq; 343 344 unsigned long port; 345 struct resource *mpu_res; 346 int chip_type; 347 unsigned char revision; 348 349 unsigned char old_legacy; 350 unsigned char old_legacy_cfg; 351 #ifdef CONFIG_PM_SLEEP 352 unsigned char legacy_saved; 353 unsigned char legacy_cfg_saved; 354 unsigned char spdif_ctrl_saved; 355 unsigned char capture_src_saved[2]; 356 unsigned int mpu_port_saved; 357 #endif 358 359 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 360 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 361 362 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 363 364 struct pci_dev *pci; 365 struct snd_card *card; 366 367 unsigned int num_devs; 368 unsigned int playback_devno, multi_devno, capture_devno; 369 struct viadev devs[VIA_MAX_DEVS]; 370 struct via_rate_lock rates[2]; /* playback and capture */ 371 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 372 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 373 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 374 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 375 376 struct snd_pcm *pcms[2]; 377 struct snd_rawmidi *rmidi; 378 struct snd_kcontrol *dxs_controls[4]; 379 380 struct snd_ac97_bus *ac97_bus; 381 struct snd_ac97 *ac97; 382 unsigned int ac97_clock; 383 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 384 385 spinlock_t reg_lock; 386 struct snd_info_entry *proc_entry; 387 388 #ifdef SUPPORT_JOYSTICK 389 struct gameport *gameport; 390 #endif 391 }; 392 393 static const struct pci_device_id snd_via82xx_ids[] = { 394 /* 0x1106, 0x3058 */ 395 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 396 /* 0x1106, 0x3059 */ 397 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 398 { 0, } 399 }; 400 401 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 402 403 /* 404 */ 405 406 /* 407 * allocate and initialize the descriptor buffers 408 * periods = number of periods 409 * fragsize = period size in bytes 410 */ 411 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 412 struct pci_dev *pci, 413 unsigned int periods, unsigned int fragsize) 414 { 415 unsigned int i, idx, ofs, rest; 416 struct via82xx *chip = snd_pcm_substream_chip(substream); 417 __le32 *pgtbl; 418 419 if (dev->table.area == NULL) { 420 /* the start of each lists must be aligned to 8 bytes, 421 * but the kernel pages are much bigger, so we don't care 422 */ 423 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev, 424 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 425 &dev->table) < 0) 426 return -ENOMEM; 427 } 428 if (! dev->idx_table) { 429 dev->idx_table = kmalloc_array(VIA_TABLE_SIZE, 430 sizeof(*dev->idx_table), 431 GFP_KERNEL); 432 if (! dev->idx_table) 433 return -ENOMEM; 434 } 435 436 /* fill the entries */ 437 idx = 0; 438 ofs = 0; 439 pgtbl = (__le32 *)dev->table.area; 440 for (i = 0; i < periods; i++) { 441 rest = fragsize; 442 /* fill descriptors for a period. 443 * a period can be split to several descriptors if it's 444 * over page boundary. 445 */ 446 do { 447 unsigned int r; 448 unsigned int flag; 449 unsigned int addr; 450 451 if (idx >= VIA_TABLE_SIZE) { 452 dev_err(&pci->dev, "too much table size!\n"); 453 return -EINVAL; 454 } 455 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 456 pgtbl[idx << 1] = cpu_to_le32(addr); 457 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 458 rest -= r; 459 if (! rest) { 460 if (i == periods - 1) 461 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 462 else 463 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 464 } else 465 flag = 0; /* period continues to the next */ 466 /* 467 dev_dbg(&pci->dev, 468 "tbl %d: at %d size %d (rest %d)\n", 469 idx, ofs, r, rest); 470 */ 471 pgtbl[(idx<<1) + 1] = cpu_to_le32(r | flag); 472 dev->idx_table[idx].offset = ofs; 473 dev->idx_table[idx].size = r; 474 ofs += r; 475 idx++; 476 } while (rest > 0); 477 } 478 dev->tbl_entries = idx; 479 dev->bufsize = periods * fragsize; 480 dev->bufsize2 = dev->bufsize / 2; 481 dev->fragsize = fragsize; 482 return 0; 483 } 484 485 486 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 487 struct pci_dev *pci) 488 { 489 if (dev->table.area) { 490 snd_dma_free_pages(&dev->table); 491 dev->table.area = NULL; 492 } 493 kfree(dev->idx_table); 494 dev->idx_table = NULL; 495 return 0; 496 } 497 498 /* 499 * Basic I/O 500 */ 501 502 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 503 { 504 return inl(VIAREG(chip, AC97)); 505 } 506 507 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 508 { 509 outl(val, VIAREG(chip, AC97)); 510 } 511 512 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 513 { 514 unsigned int timeout = 1000; /* 1ms */ 515 unsigned int val; 516 517 while (timeout-- > 0) { 518 udelay(1); 519 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 520 return val & 0xffff; 521 } 522 dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", 523 secondary, snd_via82xx_codec_xread(chip)); 524 return -EIO; 525 } 526 527 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 528 { 529 unsigned int timeout = 1000; /* 1ms */ 530 unsigned int val, val1; 531 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 532 VIA_REG_AC97_SECONDARY_VALID; 533 534 while (timeout-- > 0) { 535 val = snd_via82xx_codec_xread(chip); 536 val1 = val & (VIA_REG_AC97_BUSY | stat); 537 if (val1 == stat) 538 return val & 0xffff; 539 udelay(1); 540 } 541 return -EIO; 542 } 543 544 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 545 { 546 struct via82xx *chip = ac97->private_data; 547 __always_unused int err; 548 err = snd_via82xx_codec_ready(chip, ac97->num); 549 /* here we need to wait fairly for long time.. */ 550 if (!nodelay) 551 msleep(500); 552 } 553 554 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 555 unsigned short reg, 556 unsigned short val) 557 { 558 struct via82xx *chip = ac97->private_data; 559 unsigned int xval; 560 561 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 562 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 563 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 564 xval |= val << VIA_REG_AC97_DATA_SHIFT; 565 snd_via82xx_codec_xwrite(chip, xval); 566 snd_via82xx_codec_ready(chip, ac97->num); 567 } 568 569 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 570 { 571 struct via82xx *chip = ac97->private_data; 572 unsigned int xval, val = 0xffff; 573 int again = 0; 574 575 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 576 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 577 xval |= VIA_REG_AC97_READ; 578 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 579 while (1) { 580 if (again++ > 3) { 581 dev_err(chip->card->dev, 582 "codec_read: codec %i is not valid [0x%x]\n", 583 ac97->num, snd_via82xx_codec_xread(chip)); 584 return 0xffff; 585 } 586 snd_via82xx_codec_xwrite(chip, xval); 587 udelay (20); 588 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 589 udelay(25); 590 val = snd_via82xx_codec_xread(chip); 591 break; 592 } 593 } 594 return val & 0xffff; 595 } 596 597 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 598 { 599 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 600 VIADEV_REG(viadev, OFFSET_CONTROL)); 601 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 602 udelay(50); 603 /* disable interrupts */ 604 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 605 /* clear interrupts */ 606 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 607 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 608 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 609 viadev->lastpos = 0; 610 viadev->hwptr_done = 0; 611 } 612 613 614 /* 615 * Interrupt handler 616 * Used for 686 and 8233A 617 */ 618 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 619 { 620 struct via82xx *chip = dev_id; 621 unsigned int status; 622 unsigned int i; 623 624 status = inl(VIAREG(chip, SGD_SHADOW)); 625 if (! (status & chip->intr_mask)) { 626 if (chip->rmidi) 627 /* check mpu401 interrupt */ 628 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 629 return IRQ_NONE; 630 } 631 632 /* check status for each stream */ 633 spin_lock(&chip->reg_lock); 634 for (i = 0; i < chip->num_devs; i++) { 635 struct viadev *viadev = &chip->devs[i]; 636 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 637 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 638 continue; 639 if (viadev->substream && viadev->running) { 640 /* 641 * Update hwptr_done based on 'period elapsed' 642 * interrupts. We'll use it, when the chip returns 0 643 * for OFFSET_CURR_COUNT. 644 */ 645 if (c_status & VIA_REG_STAT_EOL) 646 viadev->hwptr_done = 0; 647 else 648 viadev->hwptr_done += viadev->fragsize; 649 viadev->in_interrupt = c_status; 650 spin_unlock(&chip->reg_lock); 651 snd_pcm_period_elapsed(viadev->substream); 652 spin_lock(&chip->reg_lock); 653 viadev->in_interrupt = 0; 654 } 655 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 656 } 657 spin_unlock(&chip->reg_lock); 658 return IRQ_HANDLED; 659 } 660 661 /* 662 * Interrupt handler 663 */ 664 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 665 { 666 struct via82xx *chip = dev_id; 667 unsigned int status; 668 unsigned int i; 669 int irqreturn = 0; 670 671 /* check status for each stream */ 672 spin_lock(&chip->reg_lock); 673 status = inl(VIAREG(chip, SGD_SHADOW)); 674 675 for (i = 0; i < chip->num_devs; i++) { 676 struct viadev *viadev = &chip->devs[i]; 677 struct snd_pcm_substream *substream; 678 unsigned char c_status, shadow_status; 679 680 shadow_status = (status >> viadev->shadow_shift) & 681 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 682 VIA_REG_STAT_FLAG); 683 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 684 if (!c_status) 685 continue; 686 687 substream = viadev->substream; 688 if (substream && viadev->running) { 689 /* 690 * Update hwptr_done based on 'period elapsed' 691 * interrupts. We'll use it, when the chip returns 0 692 * for OFFSET_CURR_COUNT. 693 */ 694 if (c_status & VIA_REG_STAT_EOL) 695 viadev->hwptr_done = 0; 696 else 697 viadev->hwptr_done += viadev->fragsize; 698 viadev->in_interrupt = c_status; 699 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 700 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 701 spin_unlock(&chip->reg_lock); 702 703 snd_pcm_period_elapsed(substream); 704 705 spin_lock(&chip->reg_lock); 706 viadev->in_interrupt = 0; 707 } 708 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 709 irqreturn = 1; 710 } 711 spin_unlock(&chip->reg_lock); 712 return IRQ_RETVAL(irqreturn); 713 } 714 715 /* 716 * PCM callbacks 717 */ 718 719 /* 720 * trigger callback 721 */ 722 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 723 { 724 struct via82xx *chip = snd_pcm_substream_chip(substream); 725 struct viadev *viadev = substream->runtime->private_data; 726 unsigned char val; 727 728 if (chip->chip_type != TYPE_VIA686) 729 val = VIA_REG_CTRL_INT; 730 else 731 val = 0; 732 switch (cmd) { 733 case SNDRV_PCM_TRIGGER_START: 734 case SNDRV_PCM_TRIGGER_RESUME: 735 val |= VIA_REG_CTRL_START; 736 viadev->running = 1; 737 break; 738 case SNDRV_PCM_TRIGGER_STOP: 739 case SNDRV_PCM_TRIGGER_SUSPEND: 740 val = VIA_REG_CTRL_TERMINATE; 741 viadev->running = 0; 742 break; 743 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 744 val |= VIA_REG_CTRL_PAUSE; 745 viadev->running = 0; 746 break; 747 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 748 viadev->running = 1; 749 break; 750 default: 751 return -EINVAL; 752 } 753 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 754 if (cmd == SNDRV_PCM_TRIGGER_STOP) 755 snd_via82xx_channel_reset(chip, viadev); 756 return 0; 757 } 758 759 760 /* 761 * pointer callbacks 762 */ 763 764 /* 765 * calculate the linear position at the given sg-buffer index and the rest count 766 */ 767 768 #define check_invalid_pos(viadev,pos) \ 769 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 770 viadev->lastpos < viadev->bufsize2)) 771 772 static inline unsigned int calc_linear_pos(struct via82xx *chip, 773 struct viadev *viadev, 774 unsigned int idx, 775 unsigned int count) 776 { 777 unsigned int size, base, res; 778 779 size = viadev->idx_table[idx].size; 780 base = viadev->idx_table[idx].offset; 781 res = base + size - count; 782 if (res >= viadev->bufsize) 783 res -= viadev->bufsize; 784 785 /* check the validity of the calculated position */ 786 if (size < count) { 787 dev_dbg(chip->card->dev, 788 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 789 (int)size, (int)count); 790 res = viadev->lastpos; 791 } else { 792 if (! count) { 793 /* Some mobos report count = 0 on the DMA boundary, 794 * i.e. count = size indeed. 795 * Let's check whether this step is above the expected size. 796 */ 797 int delta = res - viadev->lastpos; 798 if (delta < 0) 799 delta += viadev->bufsize; 800 if ((unsigned int)delta > viadev->fragsize) 801 res = base; 802 } 803 if (check_invalid_pos(viadev, res)) { 804 #ifdef POINTER_DEBUG 805 dev_dbg(chip->card->dev, 806 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 807 idx, viadev->tbl_entries, 808 viadev->lastpos, viadev->bufsize2, 809 viadev->idx_table[idx].offset, 810 viadev->idx_table[idx].size, count); 811 #endif 812 /* count register returns full size when end of buffer is reached */ 813 res = base + size; 814 if (check_invalid_pos(viadev, res)) { 815 dev_dbg(chip->card->dev, 816 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 817 res = viadev->lastpos; 818 } 819 } 820 } 821 return res; 822 } 823 824 /* 825 * get the current pointer on via686 826 */ 827 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 828 { 829 struct via82xx *chip = snd_pcm_substream_chip(substream); 830 struct viadev *viadev = substream->runtime->private_data; 831 unsigned int idx, ptr, count, res; 832 833 if (snd_BUG_ON(!viadev->tbl_entries)) 834 return 0; 835 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 836 return 0; 837 838 spin_lock(&chip->reg_lock); 839 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 840 /* The via686a does not have the current index register, 841 * so we need to calculate the index from CURR_PTR. 842 */ 843 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 844 if (ptr <= (unsigned int)viadev->table.addr) 845 idx = 0; 846 else /* CURR_PTR holds the address + 8 */ 847 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 848 res = calc_linear_pos(chip, viadev, idx, count); 849 viadev->lastpos = res; /* remember the last position */ 850 spin_unlock(&chip->reg_lock); 851 852 return bytes_to_frames(substream->runtime, res); 853 } 854 855 /* 856 * get the current pointer on via823x 857 */ 858 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 859 { 860 struct via82xx *chip = snd_pcm_substream_chip(substream); 861 struct viadev *viadev = substream->runtime->private_data; 862 unsigned int idx, count, res; 863 int status; 864 865 if (snd_BUG_ON(!viadev->tbl_entries)) 866 return 0; 867 868 spin_lock(&chip->reg_lock); 869 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 870 status = viadev->in_interrupt; 871 if (!status) 872 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 873 874 /* An apparent bug in the 8251 is worked around by sending a 875 * REG_CTRL_START. */ 876 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 877 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 878 879 if (!(status & VIA_REG_STAT_ACTIVE)) { 880 res = 0; 881 goto unlock; 882 } 883 if (count & 0xffffff) { 884 idx = count >> 24; 885 if (idx >= viadev->tbl_entries) { 886 #ifdef POINTER_DEBUG 887 dev_dbg(chip->card->dev, 888 "fail: invalid idx = %i/%i\n", idx, 889 viadev->tbl_entries); 890 #endif 891 res = viadev->lastpos; 892 } else { 893 count &= 0xffffff; 894 res = calc_linear_pos(chip, viadev, idx, count); 895 } 896 } else { 897 res = viadev->hwptr_done; 898 if (!viadev->in_interrupt) { 899 if (status & VIA_REG_STAT_EOL) { 900 res = 0; 901 } else 902 if (status & VIA_REG_STAT_FLAG) { 903 res += viadev->fragsize; 904 } 905 } 906 } 907 unlock: 908 viadev->lastpos = res; 909 spin_unlock(&chip->reg_lock); 910 911 return bytes_to_frames(substream->runtime, res); 912 } 913 914 915 /* 916 * hw_params callback: 917 * allocate the buffer and build up the buffer description table 918 */ 919 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 920 struct snd_pcm_hw_params *hw_params) 921 { 922 struct via82xx *chip = snd_pcm_substream_chip(substream); 923 struct viadev *viadev = substream->runtime->private_data; 924 925 return build_via_table(viadev, substream, chip->pci, 926 params_periods(hw_params), 927 params_period_bytes(hw_params)); 928 } 929 930 /* 931 * hw_free callback: 932 * clean up the buffer description table and release the buffer 933 */ 934 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 935 { 936 struct via82xx *chip = snd_pcm_substream_chip(substream); 937 struct viadev *viadev = substream->runtime->private_data; 938 939 clean_via_table(viadev, substream, chip->pci); 940 return 0; 941 } 942 943 944 /* 945 * set up the table pointer 946 */ 947 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 948 { 949 snd_via82xx_codec_ready(chip, 0); 950 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 951 udelay(20); 952 snd_via82xx_codec_ready(chip, 0); 953 } 954 955 /* 956 * prepare callback for playback and capture on via686 957 */ 958 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 959 struct snd_pcm_runtime *runtime) 960 { 961 snd_via82xx_channel_reset(chip, viadev); 962 /* this must be set after channel_reset */ 963 snd_via82xx_set_table_ptr(chip, viadev); 964 outb(VIA_REG_TYPE_AUTOSTART | 965 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 966 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 967 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 968 VIA_REG_TYPE_INT_EOL | 969 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 970 } 971 972 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 973 { 974 struct via82xx *chip = snd_pcm_substream_chip(substream); 975 struct viadev *viadev = substream->runtime->private_data; 976 struct snd_pcm_runtime *runtime = substream->runtime; 977 978 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 979 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 980 via686_setup_format(chip, viadev, runtime); 981 return 0; 982 } 983 984 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 985 { 986 struct via82xx *chip = snd_pcm_substream_chip(substream); 987 struct viadev *viadev = substream->runtime->private_data; 988 struct snd_pcm_runtime *runtime = substream->runtime; 989 990 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 991 via686_setup_format(chip, viadev, runtime); 992 return 0; 993 } 994 995 /* 996 * lock the current rate 997 */ 998 static int via_lock_rate(struct via_rate_lock *rec, int rate) 999 { 1000 int changed = 0; 1001 1002 spin_lock_irq(&rec->lock); 1003 if (rec->rate != rate) { 1004 if (rec->rate && rec->used > 1) /* already set */ 1005 changed = -EINVAL; 1006 else { 1007 rec->rate = rate; 1008 changed = 1; 1009 } 1010 } 1011 spin_unlock_irq(&rec->lock); 1012 return changed; 1013 } 1014 1015 /* 1016 * prepare callback for DSX playback on via823x 1017 */ 1018 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1019 { 1020 struct via82xx *chip = snd_pcm_substream_chip(substream); 1021 struct viadev *viadev = substream->runtime->private_data; 1022 struct snd_pcm_runtime *runtime = substream->runtime; 1023 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1024 int rate_changed; 1025 u32 rbits; 1026 1027 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1028 return rate_changed; 1029 if (rate_changed) 1030 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1031 chip->no_vra ? 48000 : runtime->rate); 1032 if (chip->spdif_on && viadev->reg_offset == 0x30) 1033 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1034 1035 if (runtime->rate == 48000) 1036 rbits = 0xfffff; 1037 else 1038 rbits = (0x100000 / 48000) * runtime->rate + 1039 ((0x100000 % 48000) * runtime->rate) / 48000; 1040 snd_BUG_ON(rbits & ~0xfffff); 1041 snd_via82xx_channel_reset(chip, viadev); 1042 snd_via82xx_set_table_ptr(chip, viadev); 1043 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1044 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1045 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1046 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1047 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1048 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1049 rbits | /* rate */ 1050 0xff000000, /* STOP index is never reached */ 1051 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1052 udelay(20); 1053 snd_via82xx_codec_ready(chip, 0); 1054 return 0; 1055 } 1056 1057 /* 1058 * prepare callback for multi-channel playback on via823x 1059 */ 1060 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1061 { 1062 struct via82xx *chip = snd_pcm_substream_chip(substream); 1063 struct viadev *viadev = substream->runtime->private_data; 1064 struct snd_pcm_runtime *runtime = substream->runtime; 1065 unsigned int slots; 1066 int fmt; 1067 1068 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1069 return -EINVAL; 1070 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1071 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1072 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1073 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1074 snd_via82xx_channel_reset(chip, viadev); 1075 snd_via82xx_set_table_ptr(chip, viadev); 1076 1077 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1078 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1079 fmt |= runtime->channels << 4; 1080 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1081 #if 0 1082 if (chip->revision == VIA_REV_8233A) 1083 slots = 0; 1084 else 1085 #endif 1086 { 1087 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1088 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1089 switch (runtime->channels) { 1090 case 1: slots = (1<<0) | (1<<4); break; 1091 case 2: slots = (1<<0) | (2<<4); break; 1092 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1093 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1094 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1095 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1096 default: slots = 0; break; 1097 } 1098 } 1099 /* STOP index is never reached */ 1100 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1101 udelay(20); 1102 snd_via82xx_codec_ready(chip, 0); 1103 return 0; 1104 } 1105 1106 /* 1107 * prepare callback for capture on via823x 1108 */ 1109 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1110 { 1111 struct via82xx *chip = snd_pcm_substream_chip(substream); 1112 struct viadev *viadev = substream->runtime->private_data; 1113 struct snd_pcm_runtime *runtime = substream->runtime; 1114 1115 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1116 return -EINVAL; 1117 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1118 snd_via82xx_channel_reset(chip, viadev); 1119 snd_via82xx_set_table_ptr(chip, viadev); 1120 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1121 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1122 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1123 0xff000000, /* STOP index is never reached */ 1124 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1125 udelay(20); 1126 snd_via82xx_codec_ready(chip, 0); 1127 return 0; 1128 } 1129 1130 1131 /* 1132 * pcm hardware definition, identical for both playback and capture 1133 */ 1134 static const struct snd_pcm_hardware snd_via82xx_hw = 1135 { 1136 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1137 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1138 SNDRV_PCM_INFO_MMAP_VALID | 1139 /* SNDRV_PCM_INFO_RESUME | */ 1140 SNDRV_PCM_INFO_PAUSE), 1141 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1142 .rates = SNDRV_PCM_RATE_48000, 1143 .rate_min = 48000, 1144 .rate_max = 48000, 1145 .channels_min = 1, 1146 .channels_max = 2, 1147 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1148 .period_bytes_min = 32, 1149 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1150 .periods_min = 2, 1151 .periods_max = VIA_TABLE_SIZE / 2, 1152 .fifo_size = 0, 1153 }; 1154 1155 1156 /* 1157 * open callback skeleton 1158 */ 1159 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1160 struct snd_pcm_substream *substream) 1161 { 1162 struct snd_pcm_runtime *runtime = substream->runtime; 1163 int err; 1164 struct via_rate_lock *ratep; 1165 bool use_src = false; 1166 1167 runtime->hw = snd_via82xx_hw; 1168 1169 /* set the hw rate condition */ 1170 ratep = &chip->rates[viadev->direction]; 1171 spin_lock_irq(&ratep->lock); 1172 ratep->used++; 1173 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1174 /* DXS#3 and spdif is on */ 1175 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1176 snd_pcm_limit_hw_rates(runtime); 1177 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1178 /* fixed DXS playback rate */ 1179 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1180 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1181 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1182 /* use full SRC capabilities of DXS */ 1183 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1184 SNDRV_PCM_RATE_8000_48000); 1185 runtime->hw.rate_min = 8000; 1186 runtime->hw.rate_max = 48000; 1187 use_src = true; 1188 } else if (! ratep->rate) { 1189 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1190 runtime->hw.rates = chip->ac97->rates[idx]; 1191 snd_pcm_limit_hw_rates(runtime); 1192 } else { 1193 /* a fixed rate */ 1194 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1195 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1196 } 1197 spin_unlock_irq(&ratep->lock); 1198 1199 /* we may remove following constaint when we modify table entries 1200 in interrupt */ 1201 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1202 return err; 1203 1204 if (use_src) { 1205 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1206 if (err < 0) 1207 return err; 1208 } 1209 1210 runtime->private_data = viadev; 1211 viadev->substream = substream; 1212 1213 return 0; 1214 } 1215 1216 1217 /* 1218 * open callback for playback on via686 1219 */ 1220 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1221 { 1222 struct via82xx *chip = snd_pcm_substream_chip(substream); 1223 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1224 int err; 1225 1226 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1227 return err; 1228 return 0; 1229 } 1230 1231 /* 1232 * open callback for playback on via823x DXS 1233 */ 1234 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1235 { 1236 struct via82xx *chip = snd_pcm_substream_chip(substream); 1237 struct viadev *viadev; 1238 unsigned int stream; 1239 int err; 1240 1241 viadev = &chip->devs[chip->playback_devno + substream->number]; 1242 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1243 return err; 1244 stream = viadev->reg_offset / 0x10; 1245 if (chip->dxs_controls[stream]) { 1246 chip->playback_volume[stream][0] = 1247 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1248 chip->playback_volume[stream][1] = 1249 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1250 chip->dxs_controls[stream]->vd[0].access &= 1251 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1252 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1253 SNDRV_CTL_EVENT_MASK_INFO, 1254 &chip->dxs_controls[stream]->id); 1255 } 1256 return 0; 1257 } 1258 1259 /* 1260 * open callback for playback on via823x multi-channel 1261 */ 1262 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1263 { 1264 struct via82xx *chip = snd_pcm_substream_chip(substream); 1265 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1266 int err; 1267 /* channels constraint for VIA8233A 1268 * 3 and 5 channels are not supported 1269 */ 1270 static const unsigned int channels[] = { 1271 1, 2, 4, 6 1272 }; 1273 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1274 .count = ARRAY_SIZE(channels), 1275 .list = channels, 1276 .mask = 0, 1277 }; 1278 1279 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1280 return err; 1281 substream->runtime->hw.channels_max = 6; 1282 if (chip->revision == VIA_REV_8233A) 1283 snd_pcm_hw_constraint_list(substream->runtime, 0, 1284 SNDRV_PCM_HW_PARAM_CHANNELS, 1285 &hw_constraints_channels); 1286 return 0; 1287 } 1288 1289 /* 1290 * open callback for capture on via686 and via823x 1291 */ 1292 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1293 { 1294 struct via82xx *chip = snd_pcm_substream_chip(substream); 1295 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1296 1297 return snd_via82xx_pcm_open(chip, viadev, substream); 1298 } 1299 1300 /* 1301 * close callback 1302 */ 1303 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1304 { 1305 struct via82xx *chip = snd_pcm_substream_chip(substream); 1306 struct viadev *viadev = substream->runtime->private_data; 1307 struct via_rate_lock *ratep; 1308 1309 /* release the rate lock */ 1310 ratep = &chip->rates[viadev->direction]; 1311 spin_lock_irq(&ratep->lock); 1312 ratep->used--; 1313 if (! ratep->used) 1314 ratep->rate = 0; 1315 spin_unlock_irq(&ratep->lock); 1316 if (! ratep->rate) { 1317 if (! viadev->direction) { 1318 snd_ac97_update_power(chip->ac97, 1319 AC97_PCM_FRONT_DAC_RATE, 0); 1320 snd_ac97_update_power(chip->ac97, 1321 AC97_PCM_SURR_DAC_RATE, 0); 1322 snd_ac97_update_power(chip->ac97, 1323 AC97_PCM_LFE_DAC_RATE, 0); 1324 } else 1325 snd_ac97_update_power(chip->ac97, 1326 AC97_PCM_LR_ADC_RATE, 0); 1327 } 1328 viadev->substream = NULL; 1329 return 0; 1330 } 1331 1332 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1333 { 1334 struct via82xx *chip = snd_pcm_substream_chip(substream); 1335 struct viadev *viadev = substream->runtime->private_data; 1336 unsigned int stream; 1337 1338 stream = viadev->reg_offset / 0x10; 1339 if (chip->dxs_controls[stream]) { 1340 chip->dxs_controls[stream]->vd[0].access |= 1341 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1342 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1343 &chip->dxs_controls[stream]->id); 1344 } 1345 return snd_via82xx_pcm_close(substream); 1346 } 1347 1348 1349 /* via686 playback callbacks */ 1350 static const struct snd_pcm_ops snd_via686_playback_ops = { 1351 .open = snd_via686_playback_open, 1352 .close = snd_via82xx_pcm_close, 1353 .hw_params = snd_via82xx_hw_params, 1354 .hw_free = snd_via82xx_hw_free, 1355 .prepare = snd_via686_playback_prepare, 1356 .trigger = snd_via82xx_pcm_trigger, 1357 .pointer = snd_via686_pcm_pointer, 1358 }; 1359 1360 /* via686 capture callbacks */ 1361 static const struct snd_pcm_ops snd_via686_capture_ops = { 1362 .open = snd_via82xx_capture_open, 1363 .close = snd_via82xx_pcm_close, 1364 .hw_params = snd_via82xx_hw_params, 1365 .hw_free = snd_via82xx_hw_free, 1366 .prepare = snd_via686_capture_prepare, 1367 .trigger = snd_via82xx_pcm_trigger, 1368 .pointer = snd_via686_pcm_pointer, 1369 }; 1370 1371 /* via823x DSX playback callbacks */ 1372 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1373 .open = snd_via8233_playback_open, 1374 .close = snd_via8233_playback_close, 1375 .hw_params = snd_via82xx_hw_params, 1376 .hw_free = snd_via82xx_hw_free, 1377 .prepare = snd_via8233_playback_prepare, 1378 .trigger = snd_via82xx_pcm_trigger, 1379 .pointer = snd_via8233_pcm_pointer, 1380 }; 1381 1382 /* via823x multi-channel playback callbacks */ 1383 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1384 .open = snd_via8233_multi_open, 1385 .close = snd_via82xx_pcm_close, 1386 .hw_params = snd_via82xx_hw_params, 1387 .hw_free = snd_via82xx_hw_free, 1388 .prepare = snd_via8233_multi_prepare, 1389 .trigger = snd_via82xx_pcm_trigger, 1390 .pointer = snd_via8233_pcm_pointer, 1391 }; 1392 1393 /* via823x capture callbacks */ 1394 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1395 .open = snd_via82xx_capture_open, 1396 .close = snd_via82xx_pcm_close, 1397 .hw_params = snd_via82xx_hw_params, 1398 .hw_free = snd_via82xx_hw_free, 1399 .prepare = snd_via8233_capture_prepare, 1400 .trigger = snd_via82xx_pcm_trigger, 1401 .pointer = snd_via8233_pcm_pointer, 1402 }; 1403 1404 1405 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1406 int shadow_pos, int direction) 1407 { 1408 chip->devs[idx].reg_offset = reg_offset; 1409 chip->devs[idx].shadow_shift = shadow_pos * 4; 1410 chip->devs[idx].direction = direction; 1411 chip->devs[idx].port = chip->port + reg_offset; 1412 } 1413 1414 /* 1415 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1416 */ 1417 static int snd_via8233_pcm_new(struct via82xx *chip) 1418 { 1419 struct snd_pcm *pcm; 1420 struct snd_pcm_chmap *chmap; 1421 int i, err; 1422 1423 chip->playback_devno = 0; /* x 4 */ 1424 chip->multi_devno = 4; /* x 1 */ 1425 chip->capture_devno = 5; /* x 2 */ 1426 chip->num_devs = 7; 1427 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1428 1429 /* PCM #0: 4 DSX playbacks and 1 capture */ 1430 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1431 if (err < 0) 1432 return err; 1433 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1434 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1435 pcm->private_data = chip; 1436 strcpy(pcm->name, chip->card->shortname); 1437 chip->pcms[0] = pcm; 1438 /* set up playbacks */ 1439 for (i = 0; i < 4; i++) 1440 init_viadev(chip, i, 0x10 * i, i, 0); 1441 /* capture */ 1442 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1443 1444 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1445 &chip->pci->dev, 1446 64*1024, VIA_MAX_BUFSIZE); 1447 1448 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1449 snd_pcm_std_chmaps, 2, 0, 1450 &chmap); 1451 if (err < 0) 1452 return err; 1453 1454 /* PCM #1: multi-channel playback and 2nd capture */ 1455 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1456 if (err < 0) 1457 return err; 1458 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1459 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1460 pcm->private_data = chip; 1461 strcpy(pcm->name, chip->card->shortname); 1462 chip->pcms[1] = pcm; 1463 /* set up playback */ 1464 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1465 /* set up capture */ 1466 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1467 1468 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1469 &chip->pci->dev, 1470 64*1024, VIA_MAX_BUFSIZE); 1471 1472 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1473 snd_pcm_alt_chmaps, 6, 0, 1474 &chmap); 1475 if (err < 0) 1476 return err; 1477 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1478 1479 return 0; 1480 } 1481 1482 /* 1483 * create pcm instances for VIA8233A 1484 */ 1485 static int snd_via8233a_pcm_new(struct via82xx *chip) 1486 { 1487 struct snd_pcm *pcm; 1488 struct snd_pcm_chmap *chmap; 1489 int err; 1490 1491 chip->multi_devno = 0; 1492 chip->playback_devno = 1; 1493 chip->capture_devno = 2; 1494 chip->num_devs = 3; 1495 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1496 1497 /* PCM #0: multi-channel playback and capture */ 1498 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1499 if (err < 0) 1500 return err; 1501 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1502 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1503 pcm->private_data = chip; 1504 strcpy(pcm->name, chip->card->shortname); 1505 chip->pcms[0] = pcm; 1506 /* set up playback */ 1507 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1508 /* capture */ 1509 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1510 1511 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1512 &chip->pci->dev, 1513 64*1024, VIA_MAX_BUFSIZE); 1514 1515 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1516 snd_pcm_alt_chmaps, 6, 0, 1517 &chmap); 1518 if (err < 0) 1519 return err; 1520 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1521 1522 /* SPDIF supported? */ 1523 if (! ac97_can_spdif(chip->ac97)) 1524 return 0; 1525 1526 /* PCM #1: DXS3 playback (for spdif) */ 1527 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1528 if (err < 0) 1529 return err; 1530 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1531 pcm->private_data = chip; 1532 strcpy(pcm->name, chip->card->shortname); 1533 chip->pcms[1] = pcm; 1534 /* set up playback */ 1535 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1536 1537 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1538 &chip->pci->dev, 1539 64*1024, VIA_MAX_BUFSIZE); 1540 return 0; 1541 } 1542 1543 /* 1544 * create a pcm instance for via686a/b 1545 */ 1546 static int snd_via686_pcm_new(struct via82xx *chip) 1547 { 1548 struct snd_pcm *pcm; 1549 int err; 1550 1551 chip->playback_devno = 0; 1552 chip->capture_devno = 1; 1553 chip->num_devs = 2; 1554 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1555 1556 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1557 if (err < 0) 1558 return err; 1559 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1560 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1561 pcm->private_data = chip; 1562 strcpy(pcm->name, chip->card->shortname); 1563 chip->pcms[0] = pcm; 1564 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1565 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1566 1567 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1568 &chip->pci->dev, 1569 64*1024, VIA_MAX_BUFSIZE); 1570 return 0; 1571 } 1572 1573 1574 /* 1575 * Mixer part 1576 */ 1577 1578 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1579 struct snd_ctl_elem_info *uinfo) 1580 { 1581 /* formerly they were "Line" and "Mic", but it looks like that they 1582 * have nothing to do with the actual physical connections... 1583 */ 1584 static const char * const texts[2] = { 1585 "Input1", "Input2" 1586 }; 1587 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1588 } 1589 1590 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1591 struct snd_ctl_elem_value *ucontrol) 1592 { 1593 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1594 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1595 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1596 return 0; 1597 } 1598 1599 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1600 struct snd_ctl_elem_value *ucontrol) 1601 { 1602 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1603 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1604 u8 val, oval; 1605 1606 spin_lock_irq(&chip->reg_lock); 1607 oval = inb(port); 1608 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1609 if (ucontrol->value.enumerated.item[0]) 1610 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1611 if (val != oval) 1612 outb(val, port); 1613 spin_unlock_irq(&chip->reg_lock); 1614 return val != oval; 1615 } 1616 1617 static struct snd_kcontrol_new snd_via8233_capture_source = { 1618 .name = "Input Source Select", 1619 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1620 .info = snd_via8233_capture_source_info, 1621 .get = snd_via8233_capture_source_get, 1622 .put = snd_via8233_capture_source_put, 1623 }; 1624 1625 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1626 1627 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1628 struct snd_ctl_elem_value *ucontrol) 1629 { 1630 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1631 u8 val; 1632 1633 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1634 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1635 return 0; 1636 } 1637 1638 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1639 struct snd_ctl_elem_value *ucontrol) 1640 { 1641 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1642 u8 val, oval; 1643 1644 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1645 val = oval & ~VIA8233_SPDIF_DX3; 1646 if (ucontrol->value.integer.value[0]) 1647 val |= VIA8233_SPDIF_DX3; 1648 /* save the spdif flag for rate filtering */ 1649 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1650 if (val != oval) { 1651 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1652 return 1; 1653 } 1654 return 0; 1655 } 1656 1657 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1658 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1659 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1660 .info = snd_via8233_dxs3_spdif_info, 1661 .get = snd_via8233_dxs3_spdif_get, 1662 .put = snd_via8233_dxs3_spdif_put, 1663 }; 1664 1665 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1666 struct snd_ctl_elem_info *uinfo) 1667 { 1668 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1669 uinfo->count = 2; 1670 uinfo->value.integer.min = 0; 1671 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1672 return 0; 1673 } 1674 1675 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1676 struct snd_ctl_elem_value *ucontrol) 1677 { 1678 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1679 unsigned int idx = kcontrol->id.subdevice; 1680 1681 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1682 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1683 return 0; 1684 } 1685 1686 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1687 struct snd_ctl_elem_value *ucontrol) 1688 { 1689 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1690 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1691 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1692 return 0; 1693 } 1694 1695 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1696 struct snd_ctl_elem_value *ucontrol) 1697 { 1698 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1699 unsigned int idx = kcontrol->id.subdevice; 1700 unsigned long port = chip->port + 0x10 * idx; 1701 unsigned char val; 1702 int i, change = 0; 1703 1704 for (i = 0; i < 2; i++) { 1705 val = ucontrol->value.integer.value[i]; 1706 if (val > VIA_DXS_MAX_VOLUME) 1707 val = VIA_DXS_MAX_VOLUME; 1708 val = VIA_DXS_MAX_VOLUME - val; 1709 change |= val != chip->playback_volume[idx][i]; 1710 if (change) { 1711 chip->playback_volume[idx][i] = val; 1712 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1713 } 1714 } 1715 return change; 1716 } 1717 1718 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1719 struct snd_ctl_elem_value *ucontrol) 1720 { 1721 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1722 unsigned int idx; 1723 unsigned char val; 1724 int i, change = 0; 1725 1726 for (i = 0; i < 2; i++) { 1727 val = ucontrol->value.integer.value[i]; 1728 if (val > VIA_DXS_MAX_VOLUME) 1729 val = VIA_DXS_MAX_VOLUME; 1730 val = VIA_DXS_MAX_VOLUME - val; 1731 if (val != chip->playback_volume_c[i]) { 1732 change = 1; 1733 chip->playback_volume_c[i] = val; 1734 for (idx = 0; idx < 4; idx++) { 1735 unsigned long port = chip->port + 0x10 * idx; 1736 chip->playback_volume[idx][i] = val; 1737 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1738 } 1739 } 1740 } 1741 return change; 1742 } 1743 1744 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1745 1746 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1747 .name = "PCM Playback Volume", 1748 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1749 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1750 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1751 .info = snd_via8233_dxs_volume_info, 1752 .get = snd_via8233_pcmdxs_volume_get, 1753 .put = snd_via8233_pcmdxs_volume_put, 1754 .tlv = { .p = db_scale_dxs } 1755 }; 1756 1757 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1758 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1759 .device = 0, 1760 /* .subdevice set later */ 1761 .name = "PCM Playback Volume", 1762 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1763 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1764 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1765 .info = snd_via8233_dxs_volume_info, 1766 .get = snd_via8233_dxs_volume_get, 1767 .put = snd_via8233_dxs_volume_put, 1768 .tlv = { .p = db_scale_dxs } 1769 }; 1770 1771 /* 1772 */ 1773 1774 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1775 { 1776 struct via82xx *chip = bus->private_data; 1777 chip->ac97_bus = NULL; 1778 } 1779 1780 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1781 { 1782 struct via82xx *chip = ac97->private_data; 1783 chip->ac97 = NULL; 1784 } 1785 1786 static const struct ac97_quirk ac97_quirks[] = { 1787 { 1788 .subvendor = 0x1106, 1789 .subdevice = 0x4161, 1790 .codec_id = 0x56494161, /* VT1612A */ 1791 .name = "Soltek SL-75DRV5", 1792 .type = AC97_TUNE_NONE 1793 }, 1794 { /* FIXME: which codec? */ 1795 .subvendor = 0x1106, 1796 .subdevice = 0x4161, 1797 .name = "ASRock K7VT2", 1798 .type = AC97_TUNE_HP_ONLY 1799 }, 1800 { 1801 .subvendor = 0x110a, 1802 .subdevice = 0x0079, 1803 .name = "Fujitsu Siemens D1289", 1804 .type = AC97_TUNE_HP_ONLY 1805 }, 1806 { 1807 .subvendor = 0x1019, 1808 .subdevice = 0x0a81, 1809 .name = "ECS K7VTA3", 1810 .type = AC97_TUNE_HP_ONLY 1811 }, 1812 { 1813 .subvendor = 0x1019, 1814 .subdevice = 0x0a85, 1815 .name = "ECS L7VMM2", 1816 .type = AC97_TUNE_HP_ONLY 1817 }, 1818 { 1819 .subvendor = 0x1019, 1820 .subdevice = 0x1841, 1821 .name = "ECS K7VTA3", 1822 .type = AC97_TUNE_HP_ONLY 1823 }, 1824 { 1825 .subvendor = 0x1849, 1826 .subdevice = 0x3059, 1827 .name = "ASRock K7VM2", 1828 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1829 }, 1830 { 1831 .subvendor = 0x14cd, 1832 .subdevice = 0x7002, 1833 .name = "Unknown", 1834 .type = AC97_TUNE_ALC_JACK 1835 }, 1836 { 1837 .subvendor = 0x1071, 1838 .subdevice = 0x8590, 1839 .name = "Mitac Mobo", 1840 .type = AC97_TUNE_ALC_JACK 1841 }, 1842 { 1843 .subvendor = 0x161f, 1844 .subdevice = 0x202b, 1845 .name = "Arima Notebook", 1846 .type = AC97_TUNE_HP_ONLY, 1847 }, 1848 { 1849 .subvendor = 0x161f, 1850 .subdevice = 0x2032, 1851 .name = "Targa Traveller 811", 1852 .type = AC97_TUNE_HP_ONLY, 1853 }, 1854 { 1855 .subvendor = 0x161f, 1856 .subdevice = 0x2032, 1857 .name = "m680x", 1858 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1859 }, 1860 { 1861 .subvendor = 0x1297, 1862 .subdevice = 0xa232, 1863 .name = "Shuttle AK32VN", 1864 .type = AC97_TUNE_HP_ONLY 1865 }, 1866 { } /* terminator */ 1867 }; 1868 1869 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1870 { 1871 struct snd_ac97_template ac97; 1872 int err; 1873 static const struct snd_ac97_bus_ops ops = { 1874 .write = snd_via82xx_codec_write, 1875 .read = snd_via82xx_codec_read, 1876 .wait = snd_via82xx_codec_wait, 1877 }; 1878 1879 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1880 return err; 1881 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1882 chip->ac97_bus->clock = chip->ac97_clock; 1883 1884 memset(&ac97, 0, sizeof(ac97)); 1885 ac97.private_data = chip; 1886 ac97.private_free = snd_via82xx_mixer_free_ac97; 1887 ac97.pci = chip->pci; 1888 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1889 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1890 return err; 1891 1892 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1893 1894 if (chip->chip_type != TYPE_VIA686) { 1895 /* use slot 10/11 */ 1896 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1897 } 1898 1899 return 0; 1900 } 1901 1902 #ifdef SUPPORT_JOYSTICK 1903 #define JOYSTICK_ADDR 0x200 1904 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1905 { 1906 struct gameport *gp; 1907 struct resource *r; 1908 1909 if (!joystick) 1910 return -ENODEV; 1911 1912 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1913 if (!r) { 1914 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1915 JOYSTICK_ADDR); 1916 return -EBUSY; 1917 } 1918 1919 chip->gameport = gp = gameport_allocate_port(); 1920 if (!gp) { 1921 dev_err(chip->card->dev, 1922 "cannot allocate memory for gameport\n"); 1923 release_and_free_resource(r); 1924 return -ENOMEM; 1925 } 1926 1927 gameport_set_name(gp, "VIA686 Gameport"); 1928 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1929 gameport_set_dev_parent(gp, &chip->pci->dev); 1930 gp->io = JOYSTICK_ADDR; 1931 gameport_set_port_data(gp, r); 1932 1933 /* Enable legacy joystick port */ 1934 *legacy |= VIA_FUNC_ENABLE_GAME; 1935 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1936 1937 gameport_register_port(chip->gameport); 1938 1939 return 0; 1940 } 1941 1942 static void snd_via686_free_gameport(struct via82xx *chip) 1943 { 1944 if (chip->gameport) { 1945 struct resource *r = gameport_get_port_data(chip->gameport); 1946 1947 gameport_unregister_port(chip->gameport); 1948 chip->gameport = NULL; 1949 release_and_free_resource(r); 1950 } 1951 } 1952 #else 1953 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1954 { 1955 return -ENOSYS; 1956 } 1957 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1958 #endif 1959 1960 1961 /* 1962 * 1963 */ 1964 1965 static int snd_via8233_init_misc(struct via82xx *chip) 1966 { 1967 int i, err, caps; 1968 unsigned char val; 1969 1970 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1971 for (i = 0; i < caps; i++) { 1972 snd_via8233_capture_source.index = i; 1973 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1974 if (err < 0) 1975 return err; 1976 } 1977 if (ac97_can_spdif(chip->ac97)) { 1978 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1979 if (err < 0) 1980 return err; 1981 } 1982 if (chip->chip_type != TYPE_VIA8233A) { 1983 /* when no h/w PCM volume control is found, use DXS volume control 1984 * as the PCM vol control 1985 */ 1986 struct snd_ctl_elem_id sid; 1987 memset(&sid, 0, sizeof(sid)); 1988 strcpy(sid.name, "PCM Playback Volume"); 1989 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1990 if (! snd_ctl_find_id(chip->card, &sid)) { 1991 dev_info(chip->card->dev, 1992 "Using DXS as PCM Playback\n"); 1993 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1994 if (err < 0) 1995 return err; 1996 } 1997 else /* Using DXS when PCM emulation is enabled is really weird */ 1998 { 1999 for (i = 0; i < 4; ++i) { 2000 struct snd_kcontrol *kctl; 2001 2002 kctl = snd_ctl_new1( 2003 &snd_via8233_dxs_volume_control, chip); 2004 if (!kctl) 2005 return -ENOMEM; 2006 kctl->id.subdevice = i; 2007 err = snd_ctl_add(chip->card, kctl); 2008 if (err < 0) 2009 return err; 2010 chip->dxs_controls[i] = kctl; 2011 } 2012 } 2013 } 2014 /* select spdif data slot 10/11 */ 2015 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2016 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2017 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2018 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2019 2020 return 0; 2021 } 2022 2023 static int snd_via686_init_misc(struct via82xx *chip) 2024 { 2025 unsigned char legacy, legacy_cfg; 2026 int rev_h = 0; 2027 2028 legacy = chip->old_legacy; 2029 legacy_cfg = chip->old_legacy_cfg; 2030 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2031 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2032 if (chip->revision >= VIA_REV_686_H) { 2033 rev_h = 1; 2034 if (mpu_port >= 0x200) { /* force MIDI */ 2035 mpu_port &= 0xfffc; 2036 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2037 #ifdef CONFIG_PM_SLEEP 2038 chip->mpu_port_saved = mpu_port; 2039 #endif 2040 } else { 2041 mpu_port = pci_resource_start(chip->pci, 2); 2042 } 2043 } else { 2044 switch (mpu_port) { /* force MIDI */ 2045 case 0x300: 2046 case 0x310: 2047 case 0x320: 2048 case 0x330: 2049 legacy_cfg &= ~(3 << 2); 2050 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2051 break; 2052 default: /* no, use BIOS settings */ 2053 if (legacy & VIA_FUNC_ENABLE_MIDI) 2054 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2055 break; 2056 } 2057 } 2058 if (mpu_port >= 0x200 && 2059 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2060 != NULL) { 2061 if (rev_h) 2062 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2063 legacy |= VIA_FUNC_ENABLE_MIDI; 2064 } else { 2065 if (rev_h) 2066 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2067 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2068 mpu_port = 0; 2069 } 2070 2071 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2072 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2073 if (chip->mpu_res) { 2074 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2075 mpu_port, MPU401_INFO_INTEGRATED | 2076 MPU401_INFO_IRQ_HOOK, -1, 2077 &chip->rmidi) < 0) { 2078 dev_warn(chip->card->dev, 2079 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2080 mpu_port); 2081 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2082 } else { 2083 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2084 } 2085 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2086 } 2087 2088 snd_via686_create_gameport(chip, &legacy); 2089 2090 #ifdef CONFIG_PM_SLEEP 2091 chip->legacy_saved = legacy; 2092 chip->legacy_cfg_saved = legacy_cfg; 2093 #endif 2094 2095 return 0; 2096 } 2097 2098 2099 /* 2100 * proc interface 2101 */ 2102 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2103 struct snd_info_buffer *buffer) 2104 { 2105 struct via82xx *chip = entry->private_data; 2106 int i; 2107 2108 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2109 for (i = 0; i < 0xa0; i += 4) { 2110 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2111 } 2112 } 2113 2114 static void snd_via82xx_proc_init(struct via82xx *chip) 2115 { 2116 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2117 snd_via82xx_proc_read); 2118 } 2119 2120 /* 2121 * 2122 */ 2123 2124 static int snd_via82xx_chip_init(struct via82xx *chip) 2125 { 2126 unsigned int val; 2127 unsigned long end_time; 2128 unsigned char pval; 2129 2130 #if 0 /* broken on K7M? */ 2131 if (chip->chip_type == TYPE_VIA686) 2132 /* disable all legacy ports */ 2133 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2134 #endif 2135 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2136 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2137 /* deassert ACLink reset, force SYNC */ 2138 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2139 VIA_ACLINK_CTRL_ENABLE | 2140 VIA_ACLINK_CTRL_RESET | 2141 VIA_ACLINK_CTRL_SYNC); 2142 udelay(100); 2143 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2144 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2145 udelay(100); 2146 #else 2147 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2148 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2149 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2150 udelay(2); 2151 #endif 2152 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2153 /* note - FM data out has trouble with non VRA codecs !! */ 2154 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2155 udelay(100); 2156 } 2157 2158 /* Make sure VRA is enabled, in case we didn't do a 2159 * complete codec reset, above */ 2160 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2161 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2162 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2163 /* note - FM data out has trouble with non VRA codecs !! */ 2164 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2165 udelay(100); 2166 } 2167 2168 /* wait until codec ready */ 2169 end_time = jiffies + msecs_to_jiffies(750); 2170 do { 2171 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2172 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2173 break; 2174 schedule_timeout_uninterruptible(1); 2175 } while (time_before(jiffies, end_time)); 2176 2177 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2178 dev_err(chip->card->dev, 2179 "AC'97 codec is not ready [0x%x]\n", val); 2180 2181 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2182 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2183 VIA_REG_AC97_SECONDARY_VALID | 2184 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2185 end_time = jiffies + msecs_to_jiffies(750); 2186 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2187 VIA_REG_AC97_SECONDARY_VALID | 2188 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2189 do { 2190 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2191 chip->ac97_secondary = 1; 2192 goto __ac97_ok2; 2193 } 2194 schedule_timeout_uninterruptible(1); 2195 } while (time_before(jiffies, end_time)); 2196 /* This is ok, the most of motherboards have only one codec */ 2197 2198 __ac97_ok2: 2199 #endif 2200 2201 if (chip->chip_type == TYPE_VIA686) { 2202 /* route FM trap to IRQ, disable FM trap */ 2203 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2204 /* disable all GPI interrupts */ 2205 outl(0, VIAREG(chip, GPI_INTR)); 2206 } 2207 2208 if (chip->chip_type != TYPE_VIA686) { 2209 /* Workaround for Award BIOS bug: 2210 * DXS channels don't work properly with VRA if MC97 is disabled. 2211 */ 2212 struct pci_dev *pci; 2213 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2214 if (pci) { 2215 unsigned char data; 2216 pci_read_config_byte(pci, 0x44, &data); 2217 pci_write_config_byte(pci, 0x44, data | 0x40); 2218 pci_dev_put(pci); 2219 } 2220 } 2221 2222 if (chip->chip_type != TYPE_VIA8233A) { 2223 int i, idx; 2224 for (idx = 0; idx < 4; idx++) { 2225 unsigned long port = chip->port + 0x10 * idx; 2226 for (i = 0; i < 2; i++) { 2227 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2228 outb(chip->playback_volume_c[i], 2229 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2230 } 2231 } 2232 } 2233 2234 return 0; 2235 } 2236 2237 #ifdef CONFIG_PM_SLEEP 2238 /* 2239 * power management 2240 */ 2241 static int snd_via82xx_suspend(struct device *dev) 2242 { 2243 struct snd_card *card = dev_get_drvdata(dev); 2244 struct via82xx *chip = card->private_data; 2245 int i; 2246 2247 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2248 for (i = 0; i < chip->num_devs; i++) 2249 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2250 snd_ac97_suspend(chip->ac97); 2251 2252 /* save misc values */ 2253 if (chip->chip_type != TYPE_VIA686) { 2254 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2255 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2256 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2257 } 2258 2259 return 0; 2260 } 2261 2262 static int snd_via82xx_resume(struct device *dev) 2263 { 2264 struct snd_card *card = dev_get_drvdata(dev); 2265 struct via82xx *chip = card->private_data; 2266 int i; 2267 2268 snd_via82xx_chip_init(chip); 2269 2270 if (chip->chip_type == TYPE_VIA686) { 2271 if (chip->mpu_port_saved) 2272 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2273 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2274 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2275 } else { 2276 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2277 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2278 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2279 } 2280 2281 snd_ac97_resume(chip->ac97); 2282 2283 for (i = 0; i < chip->num_devs; i++) 2284 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2285 2286 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2287 return 0; 2288 } 2289 2290 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2291 #define SND_VIA82XX_PM_OPS &snd_via82xx_pm 2292 #else 2293 #define SND_VIA82XX_PM_OPS NULL 2294 #endif /* CONFIG_PM_SLEEP */ 2295 2296 static int snd_via82xx_free(struct via82xx *chip) 2297 { 2298 unsigned int i; 2299 2300 if (chip->irq < 0) 2301 goto __end_hw; 2302 /* disable interrupts */ 2303 for (i = 0; i < chip->num_devs; i++) 2304 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2305 2306 if (chip->irq >= 0) 2307 free_irq(chip->irq, chip); 2308 __end_hw: 2309 release_and_free_resource(chip->mpu_res); 2310 pci_release_regions(chip->pci); 2311 2312 if (chip->chip_type == TYPE_VIA686) { 2313 snd_via686_free_gameport(chip); 2314 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2315 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2316 } 2317 pci_disable_device(chip->pci); 2318 kfree(chip); 2319 return 0; 2320 } 2321 2322 static int snd_via82xx_dev_free(struct snd_device *device) 2323 { 2324 struct via82xx *chip = device->device_data; 2325 return snd_via82xx_free(chip); 2326 } 2327 2328 static int snd_via82xx_create(struct snd_card *card, 2329 struct pci_dev *pci, 2330 int chip_type, 2331 int revision, 2332 unsigned int ac97_clock, 2333 struct via82xx **r_via) 2334 { 2335 struct via82xx *chip; 2336 int err; 2337 static const struct snd_device_ops ops = { 2338 .dev_free = snd_via82xx_dev_free, 2339 }; 2340 2341 if ((err = pci_enable_device(pci)) < 0) 2342 return err; 2343 2344 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2345 pci_disable_device(pci); 2346 return -ENOMEM; 2347 } 2348 2349 chip->chip_type = chip_type; 2350 chip->revision = revision; 2351 2352 spin_lock_init(&chip->reg_lock); 2353 spin_lock_init(&chip->rates[0].lock); 2354 spin_lock_init(&chip->rates[1].lock); 2355 chip->card = card; 2356 chip->pci = pci; 2357 chip->irq = -1; 2358 2359 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2360 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2361 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2362 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2363 2364 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2365 kfree(chip); 2366 pci_disable_device(pci); 2367 return err; 2368 } 2369 chip->port = pci_resource_start(pci, 0); 2370 if (request_irq(pci->irq, 2371 chip_type == TYPE_VIA8233 ? 2372 snd_via8233_interrupt : snd_via686_interrupt, 2373 IRQF_SHARED, 2374 KBUILD_MODNAME, chip)) { 2375 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2376 snd_via82xx_free(chip); 2377 return -EBUSY; 2378 } 2379 chip->irq = pci->irq; 2380 card->sync_irq = chip->irq; 2381 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2382 chip->ac97_clock = ac97_clock; 2383 2384 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2385 snd_via82xx_free(chip); 2386 return err; 2387 } 2388 2389 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2390 snd_via82xx_free(chip); 2391 return err; 2392 } 2393 2394 /* The 8233 ac97 controller does not implement the master bit 2395 * in the pci command register. IMHO this is a violation of the PCI spec. 2396 * We call pci_set_master here because it does not hurt. */ 2397 pci_set_master(pci); 2398 2399 *r_via = chip; 2400 return 0; 2401 } 2402 2403 struct via823x_info { 2404 int revision; 2405 char *name; 2406 int type; 2407 }; 2408 static const struct via823x_info via823x_cards[] = { 2409 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2410 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2411 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2412 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2413 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2414 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2415 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2416 }; 2417 2418 /* 2419 * auto detection of DXS channel supports. 2420 */ 2421 2422 static const struct snd_pci_quirk dxs_allowlist[] = { 2423 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2424 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2425 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2426 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2427 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2428 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2429 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2430 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2431 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2432 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2433 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2434 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2435 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2436 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2437 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2438 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2439 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2440 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2441 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2442 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2443 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2444 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2445 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2446 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2447 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2448 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2449 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2450 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2451 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2452 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2453 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2454 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2455 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2456 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2457 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2458 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2459 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2460 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2461 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2462 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2463 { } /* terminator */ 2464 }; 2465 2466 static int check_dxs_list(struct pci_dev *pci, int revision) 2467 { 2468 const struct snd_pci_quirk *w; 2469 2470 w = snd_pci_quirk_lookup(pci, dxs_allowlist); 2471 if (w) { 2472 dev_dbg(&pci->dev, "DXS allow list for %s found\n", 2473 snd_pci_quirk_name(w)); 2474 return w->value; 2475 } 2476 2477 /* for newer revision, default to DXS_SRC */ 2478 if (revision >= VIA_REV_8235) 2479 return VIA_DXS_SRC; 2480 2481 /* 2482 * not detected, try 48k rate only to be sure. 2483 */ 2484 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2485 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2486 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2487 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2488 return VIA_DXS_48K; 2489 }; 2490 2491 static int snd_via82xx_probe(struct pci_dev *pci, 2492 const struct pci_device_id *pci_id) 2493 { 2494 struct snd_card *card; 2495 struct via82xx *chip; 2496 int chip_type = 0, card_type; 2497 unsigned int i; 2498 int err; 2499 2500 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2501 if (err < 0) 2502 return err; 2503 2504 card_type = pci_id->driver_data; 2505 switch (card_type) { 2506 case TYPE_CARD_VIA686: 2507 strcpy(card->driver, "VIA686A"); 2508 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2509 chip_type = TYPE_VIA686; 2510 break; 2511 case TYPE_CARD_VIA8233: 2512 chip_type = TYPE_VIA8233; 2513 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2514 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2515 if (pci->revision == via823x_cards[i].revision) { 2516 chip_type = via823x_cards[i].type; 2517 strcpy(card->shortname, via823x_cards[i].name); 2518 break; 2519 } 2520 } 2521 if (chip_type != TYPE_VIA8233A) { 2522 if (dxs_support == VIA_DXS_AUTO) 2523 dxs_support = check_dxs_list(pci, pci->revision); 2524 /* force to use VIA8233 or 8233A model according to 2525 * dxs_support module option 2526 */ 2527 if (dxs_support == VIA_DXS_DISABLE) 2528 chip_type = TYPE_VIA8233A; 2529 else 2530 chip_type = TYPE_VIA8233; 2531 } 2532 if (chip_type == TYPE_VIA8233A) 2533 strcpy(card->driver, "VIA8233A"); 2534 else if (pci->revision >= VIA_REV_8237) 2535 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2536 else 2537 strcpy(card->driver, "VIA8233"); 2538 break; 2539 default: 2540 dev_err(card->dev, "invalid card type %d\n", card_type); 2541 err = -EINVAL; 2542 goto __error; 2543 } 2544 2545 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2546 ac97_clock, &chip)) < 0) 2547 goto __error; 2548 card->private_data = chip; 2549 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2550 goto __error; 2551 2552 if (chip_type == TYPE_VIA686) { 2553 if ((err = snd_via686_pcm_new(chip)) < 0 || 2554 (err = snd_via686_init_misc(chip)) < 0) 2555 goto __error; 2556 } else { 2557 if (chip_type == TYPE_VIA8233A) { 2558 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2559 goto __error; 2560 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2561 } else { 2562 if ((err = snd_via8233_pcm_new(chip)) < 0) 2563 goto __error; 2564 if (dxs_support == VIA_DXS_48K) 2565 chip->dxs_fixed = 1; 2566 else if (dxs_support == VIA_DXS_NO_VRA) 2567 chip->no_vra = 1; 2568 else if (dxs_support == VIA_DXS_SRC) { 2569 chip->no_vra = 1; 2570 chip->dxs_src = 1; 2571 } 2572 } 2573 if ((err = snd_via8233_init_misc(chip)) < 0) 2574 goto __error; 2575 } 2576 2577 /* disable interrupts */ 2578 for (i = 0; i < chip->num_devs; i++) 2579 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2580 2581 snprintf(card->longname, sizeof(card->longname), 2582 "%s with %s at %#lx, irq %d", card->shortname, 2583 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2584 2585 snd_via82xx_proc_init(chip); 2586 2587 if ((err = snd_card_register(card)) < 0) { 2588 snd_card_free(card); 2589 return err; 2590 } 2591 pci_set_drvdata(pci, card); 2592 return 0; 2593 2594 __error: 2595 snd_card_free(card); 2596 return err; 2597 } 2598 2599 static void snd_via82xx_remove(struct pci_dev *pci) 2600 { 2601 snd_card_free(pci_get_drvdata(pci)); 2602 } 2603 2604 static struct pci_driver via82xx_driver = { 2605 .name = KBUILD_MODNAME, 2606 .id_table = snd_via82xx_ids, 2607 .probe = snd_via82xx_probe, 2608 .remove = snd_via82xx_remove, 2609 .driver = { 2610 .pm = SND_VIA82XX_PM_OPS, 2611 }, 2612 }; 2613 2614 module_pci_driver(via82xx_driver); 2615