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 60 #if IS_REACHABLE(CONFIG_GAMEPORT) 61 #define SUPPORT_JOYSTICK 1 62 #endif 63 64 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 65 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 66 static long mpu_port; 67 #ifdef SUPPORT_JOYSTICK 68 static bool joystick; 69 #endif 70 static int ac97_clock = 48000; 71 static char *ac97_quirk; 72 static int dxs_support; 73 static int dxs_init_volume = 31; 74 static int nodelay; 75 76 module_param(index, int, 0444); 77 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 78 module_param(id, charp, 0444); 79 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 80 module_param_hw(mpu_port, long, ioport, 0444); 81 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 82 #ifdef SUPPORT_JOYSTICK 83 module_param(joystick, bool, 0444); 84 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 85 #endif 86 module_param(ac97_clock, int, 0444); 87 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 88 module_param(ac97_quirk, charp, 0444); 89 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 90 module_param(dxs_support, int, 0444); 91 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)"); 92 module_param(dxs_init_volume, int, 0644); 93 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 94 module_param(nodelay, int, 0444); 95 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 96 97 /* just for backward compatibility */ 98 static bool enable; 99 module_param(enable, bool, 0444); 100 101 102 /* revision numbers for via686 */ 103 #define VIA_REV_686_A 0x10 104 #define VIA_REV_686_B 0x11 105 #define VIA_REV_686_C 0x12 106 #define VIA_REV_686_D 0x13 107 #define VIA_REV_686_E 0x14 108 #define VIA_REV_686_H 0x20 109 110 /* revision numbers for via8233 */ 111 #define VIA_REV_PRE_8233 0x10 /* not in market */ 112 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 113 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 114 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 115 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 116 #define VIA_REV_8237 0x60 117 #define VIA_REV_8251 0x70 118 119 /* 120 * Direct registers 121 */ 122 123 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 124 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 125 126 /* common offsets */ 127 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 128 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 129 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 130 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 131 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 132 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 133 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 134 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 135 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 136 #define VIA_REG_CTRL_START 0x80 /* WO */ 137 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 138 #define VIA_REG_CTRL_AUTOSTART 0x20 139 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 140 #define VIA_REG_CTRL_INT_STOP 0x04 141 #define VIA_REG_CTRL_INT_EOL 0x02 142 #define VIA_REG_CTRL_INT_FLAG 0x01 143 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 144 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 145 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 146 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 147 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 148 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 149 #define VIA_REG_TYPE_INT_LLINE 0x00 150 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 151 #define VIA_REG_TYPE_INT_LESSONE 0x08 152 #define VIA_REG_TYPE_INT_MASK 0x0c 153 #define VIA_REG_TYPE_INT_EOL 0x02 154 #define VIA_REG_TYPE_INT_FLAG 0x01 155 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 156 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 157 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 158 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 159 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 160 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 161 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 162 163 #define DEFINE_VIA_REGSET(name,val) \ 164 enum {\ 165 VIA_REG_##name##_STATUS = (val),\ 166 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 167 VIA_REG_##name##_TYPE = (val) + 0x02,\ 168 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 169 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 170 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 171 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 172 } 173 174 /* playback block */ 175 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 176 DEFINE_VIA_REGSET(CAPTURE, 0x10); 177 DEFINE_VIA_REGSET(FM, 0x20); 178 179 /* AC'97 */ 180 #define VIA_REG_AC97 0x80 /* dword */ 181 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 182 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 183 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 184 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 185 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 186 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 187 #define VIA_REG_AC97_BUSY (1<<24) 188 #define VIA_REG_AC97_READ (1<<23) 189 #define VIA_REG_AC97_CMD_SHIFT 16 190 #define VIA_REG_AC97_CMD_MASK 0x7e 191 #define VIA_REG_AC97_DATA_SHIFT 0 192 #define VIA_REG_AC97_DATA_MASK 0xffff 193 194 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 195 /* via686 */ 196 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 197 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 198 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 199 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 200 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 201 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 202 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 203 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 204 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 205 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 206 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 207 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 208 /* via8233 */ 209 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 210 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 211 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 212 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 213 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 214 #define VIA8233_REG_SGD_CHAN_SDX 0 215 #define VIA8233_REG_SGD_CHAN_MULTI 4 216 #define VIA8233_REG_SGD_CHAN_REC 6 217 #define VIA8233_REG_SGD_CHAN_REC1 7 218 219 #define VIA_REG_GPI_STATUS 0x88 220 #define VIA_REG_GPI_INTR 0x8c 221 222 /* multi-channel and capture registers for via8233 */ 223 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 224 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 225 226 /* via8233-specific registers */ 227 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 228 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 229 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 230 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 231 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 232 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 233 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 234 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 235 236 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 237 238 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 239 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 240 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 241 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 242 243 #define VIA_TBL_BIT_FLAG 0x40000000 244 #define VIA_TBL_BIT_EOL 0x80000000 245 246 /* pci space */ 247 #define VIA_ACLINK_STAT 0x40 248 #define VIA_ACLINK_C11_READY 0x20 249 #define VIA_ACLINK_C10_READY 0x10 250 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 251 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 252 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 253 #define VIA_ACLINK_CTRL 0x41 254 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 255 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 256 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 257 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 258 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 259 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 260 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 261 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 262 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 263 VIA_ACLINK_CTRL_RESET|\ 264 VIA_ACLINK_CTRL_PCM|\ 265 VIA_ACLINK_CTRL_VRA) 266 #define VIA_FUNC_ENABLE 0x42 267 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 268 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 269 #define VIA_FUNC_RX2C_WRITE 0x20 270 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 271 #define VIA_FUNC_ENABLE_GAME 0x08 272 #define VIA_FUNC_ENABLE_FM 0x04 273 #define VIA_FUNC_ENABLE_MIDI 0x02 274 #define VIA_FUNC_ENABLE_SB 0x01 275 #define VIA_PNP_CONTROL 0x43 276 #define VIA_FM_NMI_CTRL 0x48 277 #define VIA8233_VOLCHG_CTRL 0x48 278 #define VIA8233_SPDIF_CTRL 0x49 279 #define VIA8233_SPDIF_DX3 0x08 280 #define VIA8233_SPDIF_SLOT_MASK 0x03 281 #define VIA8233_SPDIF_SLOT_1011 0x00 282 #define VIA8233_SPDIF_SLOT_34 0x01 283 #define VIA8233_SPDIF_SLOT_78 0x02 284 #define VIA8233_SPDIF_SLOT_69 0x03 285 286 /* 287 */ 288 289 #define VIA_DXS_AUTO 0 290 #define VIA_DXS_ENABLE 1 291 #define VIA_DXS_DISABLE 2 292 #define VIA_DXS_48K 3 293 #define VIA_DXS_NO_VRA 4 294 #define VIA_DXS_SRC 5 295 296 297 /* 298 * pcm stream 299 */ 300 301 struct snd_via_sg_table { 302 unsigned int offset; 303 unsigned int size; 304 } ; 305 306 #define VIA_TABLE_SIZE 255 307 #define VIA_MAX_BUFSIZE (1<<24) 308 309 struct viadev { 310 unsigned int reg_offset; 311 unsigned long port; 312 int direction; /* playback = 0, capture = 1 */ 313 struct snd_pcm_substream *substream; 314 int running; 315 unsigned int tbl_entries; /* # descriptors */ 316 struct snd_dma_buffer table; 317 struct snd_via_sg_table *idx_table; 318 /* for recovery from the unexpected pointer */ 319 unsigned int lastpos; 320 unsigned int fragsize; 321 unsigned int bufsize; 322 unsigned int bufsize2; 323 int hwptr_done; /* processed frame position in the buffer */ 324 int in_interrupt; 325 int shadow_shift; 326 }; 327 328 329 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 330 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 331 332 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 333 334 struct via_rate_lock { 335 spinlock_t lock; 336 int rate; 337 int used; 338 }; 339 340 struct via82xx { 341 int irq; 342 343 unsigned long port; 344 struct resource *mpu_res; 345 int chip_type; 346 unsigned char revision; 347 348 unsigned char old_legacy; 349 unsigned char old_legacy_cfg; 350 unsigned char legacy_saved; 351 unsigned char legacy_cfg_saved; 352 unsigned char spdif_ctrl_saved; 353 unsigned char capture_src_saved[2]; 354 unsigned int mpu_port_saved; 355 356 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 357 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 358 359 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 360 361 struct pci_dev *pci; 362 struct snd_card *card; 363 364 unsigned int num_devs; 365 unsigned int playback_devno, multi_devno, capture_devno; 366 struct viadev devs[VIA_MAX_DEVS]; 367 struct via_rate_lock rates[2]; /* playback and capture */ 368 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 369 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 370 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 371 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 372 373 struct snd_pcm *pcms[2]; 374 struct snd_rawmidi *rmidi; 375 struct snd_kcontrol *dxs_controls[4]; 376 377 struct snd_ac97_bus *ac97_bus; 378 struct snd_ac97 *ac97; 379 unsigned int ac97_clock; 380 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 381 382 spinlock_t reg_lock; 383 struct snd_info_entry *proc_entry; 384 385 #ifdef SUPPORT_JOYSTICK 386 struct gameport *gameport; 387 #endif 388 }; 389 390 static const struct pci_device_id snd_via82xx_ids[] = { 391 /* 0x1106, 0x3058 */ 392 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 393 /* 0x1106, 0x3059 */ 394 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 395 { 0, } 396 }; 397 398 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 399 400 /* 401 */ 402 403 /* 404 * allocate and initialize the descriptor buffers 405 * periods = number of periods 406 * fragsize = period size in bytes 407 */ 408 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 409 struct pci_dev *pci, 410 unsigned int periods, unsigned int fragsize) 411 { 412 unsigned int i, idx, ofs, rest; 413 struct via82xx *chip = snd_pcm_substream_chip(substream); 414 __le32 *pgtbl; 415 416 if (dev->table.area == NULL) { 417 /* the start of each lists must be aligned to 8 bytes, 418 * but the kernel pages are much bigger, so we don't care 419 */ 420 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev, 421 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 422 &dev->table) < 0) 423 return -ENOMEM; 424 } 425 if (! dev->idx_table) { 426 dev->idx_table = kmalloc_array(VIA_TABLE_SIZE, 427 sizeof(*dev->idx_table), 428 GFP_KERNEL); 429 if (! dev->idx_table) 430 return -ENOMEM; 431 } 432 433 /* fill the entries */ 434 idx = 0; 435 ofs = 0; 436 pgtbl = (__le32 *)dev->table.area; 437 for (i = 0; i < periods; i++) { 438 rest = fragsize; 439 /* fill descriptors for a period. 440 * a period can be split to several descriptors if it's 441 * over page boundary. 442 */ 443 do { 444 unsigned int r; 445 unsigned int flag; 446 unsigned int addr; 447 448 if (idx >= VIA_TABLE_SIZE) { 449 dev_err(&pci->dev, "too much table size!\n"); 450 return -EINVAL; 451 } 452 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 453 pgtbl[idx << 1] = cpu_to_le32(addr); 454 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 455 rest -= r; 456 if (! rest) { 457 if (i == periods - 1) 458 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 459 else 460 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 461 } else 462 flag = 0; /* period continues to the next */ 463 /* 464 dev_dbg(&pci->dev, 465 "tbl %d: at %d size %d (rest %d)\n", 466 idx, ofs, r, rest); 467 */ 468 pgtbl[(idx<<1) + 1] = cpu_to_le32(r | flag); 469 dev->idx_table[idx].offset = ofs; 470 dev->idx_table[idx].size = r; 471 ofs += r; 472 idx++; 473 } while (rest > 0); 474 } 475 dev->tbl_entries = idx; 476 dev->bufsize = periods * fragsize; 477 dev->bufsize2 = dev->bufsize / 2; 478 dev->fragsize = fragsize; 479 return 0; 480 } 481 482 483 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 484 struct pci_dev *pci) 485 { 486 if (dev->table.area) { 487 snd_dma_free_pages(&dev->table); 488 dev->table.area = NULL; 489 } 490 kfree(dev->idx_table); 491 dev->idx_table = NULL; 492 return 0; 493 } 494 495 /* 496 * Basic I/O 497 */ 498 499 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 500 { 501 return inl(VIAREG(chip, AC97)); 502 } 503 504 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 505 { 506 outl(val, VIAREG(chip, AC97)); 507 } 508 509 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 510 { 511 unsigned int timeout = 1000; /* 1ms */ 512 unsigned int val; 513 514 while (timeout-- > 0) { 515 udelay(1); 516 val = snd_via82xx_codec_xread(chip); 517 if (!(val & VIA_REG_AC97_BUSY)) 518 return val & 0xffff; 519 } 520 dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", 521 secondary, snd_via82xx_codec_xread(chip)); 522 return -EIO; 523 } 524 525 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 526 { 527 unsigned int timeout = 1000; /* 1ms */ 528 unsigned int val, val1; 529 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 530 VIA_REG_AC97_SECONDARY_VALID; 531 532 while (timeout-- > 0) { 533 val = snd_via82xx_codec_xread(chip); 534 val1 = val & (VIA_REG_AC97_BUSY | stat); 535 if (val1 == stat) 536 return val & 0xffff; 537 udelay(1); 538 } 539 return -EIO; 540 } 541 542 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 543 { 544 struct via82xx *chip = ac97->private_data; 545 __always_unused int err; 546 err = snd_via82xx_codec_ready(chip, ac97->num); 547 /* here we need to wait fairly for long time.. */ 548 if (!nodelay) 549 msleep(500); 550 } 551 552 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 553 unsigned short reg, 554 unsigned short val) 555 { 556 struct via82xx *chip = ac97->private_data; 557 unsigned int xval; 558 559 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 560 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 561 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 562 xval |= val << VIA_REG_AC97_DATA_SHIFT; 563 snd_via82xx_codec_xwrite(chip, xval); 564 snd_via82xx_codec_ready(chip, ac97->num); 565 } 566 567 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 568 { 569 struct via82xx *chip = ac97->private_data; 570 unsigned int xval, val = 0xffff; 571 int again = 0; 572 573 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 574 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 575 xval |= VIA_REG_AC97_READ; 576 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 577 while (1) { 578 if (again++ > 3) { 579 dev_err(chip->card->dev, 580 "codec_read: codec %i is not valid [0x%x]\n", 581 ac97->num, snd_via82xx_codec_xread(chip)); 582 return 0xffff; 583 } 584 snd_via82xx_codec_xwrite(chip, xval); 585 udelay (20); 586 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 587 udelay(25); 588 val = snd_via82xx_codec_xread(chip); 589 break; 590 } 591 } 592 return val & 0xffff; 593 } 594 595 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 596 { 597 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 598 VIADEV_REG(viadev, OFFSET_CONTROL)); 599 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 600 udelay(50); 601 /* disable interrupts */ 602 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 603 /* clear interrupts */ 604 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 605 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 606 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 607 viadev->lastpos = 0; 608 viadev->hwptr_done = 0; 609 } 610 611 612 /* 613 * Interrupt handler 614 * Used for 686 and 8233A 615 */ 616 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 617 { 618 struct via82xx *chip = dev_id; 619 unsigned int status; 620 unsigned int i; 621 622 status = inl(VIAREG(chip, SGD_SHADOW)); 623 if (! (status & chip->intr_mask)) { 624 if (chip->rmidi) 625 /* check mpu401 interrupt */ 626 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 627 return IRQ_NONE; 628 } 629 630 /* check status for each stream */ 631 spin_lock(&chip->reg_lock); 632 for (i = 0; i < chip->num_devs; i++) { 633 struct viadev *viadev = &chip->devs[i]; 634 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 635 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 636 continue; 637 if (viadev->substream && viadev->running) { 638 /* 639 * Update hwptr_done based on 'period elapsed' 640 * interrupts. We'll use it, when the chip returns 0 641 * for OFFSET_CURR_COUNT. 642 */ 643 if (c_status & VIA_REG_STAT_EOL) 644 viadev->hwptr_done = 0; 645 else 646 viadev->hwptr_done += viadev->fragsize; 647 viadev->in_interrupt = c_status; 648 spin_unlock(&chip->reg_lock); 649 snd_pcm_period_elapsed(viadev->substream); 650 spin_lock(&chip->reg_lock); 651 viadev->in_interrupt = 0; 652 } 653 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 654 } 655 spin_unlock(&chip->reg_lock); 656 return IRQ_HANDLED; 657 } 658 659 /* 660 * Interrupt handler 661 */ 662 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 663 { 664 struct via82xx *chip = dev_id; 665 unsigned int status; 666 unsigned int i; 667 int irqreturn = 0; 668 669 /* check status for each stream */ 670 spin_lock(&chip->reg_lock); 671 status = inl(VIAREG(chip, SGD_SHADOW)); 672 673 for (i = 0; i < chip->num_devs; i++) { 674 struct viadev *viadev = &chip->devs[i]; 675 struct snd_pcm_substream *substream; 676 unsigned char c_status, shadow_status; 677 678 shadow_status = (status >> viadev->shadow_shift) & 679 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 680 VIA_REG_STAT_FLAG); 681 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 682 if (!c_status) 683 continue; 684 685 substream = viadev->substream; 686 if (substream && viadev->running) { 687 /* 688 * Update hwptr_done based on 'period elapsed' 689 * interrupts. We'll use it, when the chip returns 0 690 * for OFFSET_CURR_COUNT. 691 */ 692 if (c_status & VIA_REG_STAT_EOL) 693 viadev->hwptr_done = 0; 694 else 695 viadev->hwptr_done += viadev->fragsize; 696 viadev->in_interrupt = c_status; 697 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 698 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 699 spin_unlock(&chip->reg_lock); 700 701 snd_pcm_period_elapsed(substream); 702 703 spin_lock(&chip->reg_lock); 704 viadev->in_interrupt = 0; 705 } 706 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 707 irqreturn = 1; 708 } 709 spin_unlock(&chip->reg_lock); 710 return IRQ_RETVAL(irqreturn); 711 } 712 713 /* 714 * PCM callbacks 715 */ 716 717 /* 718 * trigger callback 719 */ 720 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 721 { 722 struct via82xx *chip = snd_pcm_substream_chip(substream); 723 struct viadev *viadev = substream->runtime->private_data; 724 unsigned char val; 725 726 if (chip->chip_type != TYPE_VIA686) 727 val = VIA_REG_CTRL_INT; 728 else 729 val = 0; 730 switch (cmd) { 731 case SNDRV_PCM_TRIGGER_START: 732 case SNDRV_PCM_TRIGGER_RESUME: 733 val |= VIA_REG_CTRL_START; 734 viadev->running = 1; 735 break; 736 case SNDRV_PCM_TRIGGER_STOP: 737 case SNDRV_PCM_TRIGGER_SUSPEND: 738 val = VIA_REG_CTRL_TERMINATE; 739 viadev->running = 0; 740 break; 741 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 742 val |= VIA_REG_CTRL_PAUSE; 743 viadev->running = 0; 744 break; 745 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 746 viadev->running = 1; 747 break; 748 default: 749 return -EINVAL; 750 } 751 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 752 if (cmd == SNDRV_PCM_TRIGGER_STOP) 753 snd_via82xx_channel_reset(chip, viadev); 754 return 0; 755 } 756 757 758 /* 759 * pointer callbacks 760 */ 761 762 /* 763 * calculate the linear position at the given sg-buffer index and the rest count 764 */ 765 766 #define check_invalid_pos(viadev,pos) \ 767 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 768 viadev->lastpos < viadev->bufsize2)) 769 770 static inline unsigned int calc_linear_pos(struct via82xx *chip, 771 struct viadev *viadev, 772 unsigned int idx, 773 unsigned int count) 774 { 775 unsigned int size, base, res; 776 777 size = viadev->idx_table[idx].size; 778 base = viadev->idx_table[idx].offset; 779 res = base + size - count; 780 if (res >= viadev->bufsize) 781 res -= viadev->bufsize; 782 783 /* check the validity of the calculated position */ 784 if (size < count) { 785 dev_dbg(chip->card->dev, 786 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 787 (int)size, (int)count); 788 res = viadev->lastpos; 789 } else { 790 if (! count) { 791 /* Some mobos report count = 0 on the DMA boundary, 792 * i.e. count = size indeed. 793 * Let's check whether this step is above the expected size. 794 */ 795 int delta = res - viadev->lastpos; 796 if (delta < 0) 797 delta += viadev->bufsize; 798 if ((unsigned int)delta > viadev->fragsize) 799 res = base; 800 } 801 if (check_invalid_pos(viadev, res)) { 802 #ifdef POINTER_DEBUG 803 dev_dbg(chip->card->dev, 804 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 805 idx, viadev->tbl_entries, 806 viadev->lastpos, viadev->bufsize2, 807 viadev->idx_table[idx].offset, 808 viadev->idx_table[idx].size, count); 809 #endif 810 /* count register returns full size when end of buffer is reached */ 811 res = base + size; 812 if (check_invalid_pos(viadev, res)) { 813 dev_dbg(chip->card->dev, 814 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 815 res = viadev->lastpos; 816 } 817 } 818 } 819 return res; 820 } 821 822 /* 823 * get the current pointer on via686 824 */ 825 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 826 { 827 struct via82xx *chip = snd_pcm_substream_chip(substream); 828 struct viadev *viadev = substream->runtime->private_data; 829 unsigned int idx, ptr, count, res; 830 831 if (snd_BUG_ON(!viadev->tbl_entries)) 832 return 0; 833 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 834 return 0; 835 836 spin_lock(&chip->reg_lock); 837 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 838 /* The via686a does not have the current index register, 839 * so we need to calculate the index from CURR_PTR. 840 */ 841 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 842 if (ptr <= (unsigned int)viadev->table.addr) 843 idx = 0; 844 else /* CURR_PTR holds the address + 8 */ 845 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 846 res = calc_linear_pos(chip, viadev, idx, count); 847 viadev->lastpos = res; /* remember the last position */ 848 spin_unlock(&chip->reg_lock); 849 850 return bytes_to_frames(substream->runtime, res); 851 } 852 853 /* 854 * get the current pointer on via823x 855 */ 856 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 857 { 858 struct via82xx *chip = snd_pcm_substream_chip(substream); 859 struct viadev *viadev = substream->runtime->private_data; 860 unsigned int idx, count, res; 861 int status; 862 863 if (snd_BUG_ON(!viadev->tbl_entries)) 864 return 0; 865 866 spin_lock(&chip->reg_lock); 867 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 868 status = viadev->in_interrupt; 869 if (!status) 870 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 871 872 /* An apparent bug in the 8251 is worked around by sending a 873 * REG_CTRL_START. */ 874 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 875 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 876 877 if (!(status & VIA_REG_STAT_ACTIVE)) { 878 res = 0; 879 goto unlock; 880 } 881 if (count & 0xffffff) { 882 idx = count >> 24; 883 if (idx >= viadev->tbl_entries) { 884 #ifdef POINTER_DEBUG 885 dev_dbg(chip->card->dev, 886 "fail: invalid idx = %i/%i\n", idx, 887 viadev->tbl_entries); 888 #endif 889 res = viadev->lastpos; 890 } else { 891 count &= 0xffffff; 892 res = calc_linear_pos(chip, viadev, idx, count); 893 } 894 } else { 895 res = viadev->hwptr_done; 896 if (!viadev->in_interrupt) { 897 if (status & VIA_REG_STAT_EOL) { 898 res = 0; 899 } else 900 if (status & VIA_REG_STAT_FLAG) { 901 res += viadev->fragsize; 902 } 903 } 904 } 905 unlock: 906 viadev->lastpos = res; 907 spin_unlock(&chip->reg_lock); 908 909 return bytes_to_frames(substream->runtime, res); 910 } 911 912 913 /* 914 * hw_params callback: 915 * allocate the buffer and build up the buffer description table 916 */ 917 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 918 struct snd_pcm_hw_params *hw_params) 919 { 920 struct via82xx *chip = snd_pcm_substream_chip(substream); 921 struct viadev *viadev = substream->runtime->private_data; 922 923 return build_via_table(viadev, substream, chip->pci, 924 params_periods(hw_params), 925 params_period_bytes(hw_params)); 926 } 927 928 /* 929 * hw_free callback: 930 * clean up the buffer description table and release the buffer 931 */ 932 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 933 { 934 struct via82xx *chip = snd_pcm_substream_chip(substream); 935 struct viadev *viadev = substream->runtime->private_data; 936 937 clean_via_table(viadev, substream, chip->pci); 938 return 0; 939 } 940 941 942 /* 943 * set up the table pointer 944 */ 945 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 946 { 947 snd_via82xx_codec_ready(chip, 0); 948 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 949 udelay(20); 950 snd_via82xx_codec_ready(chip, 0); 951 } 952 953 /* 954 * prepare callback for playback and capture on via686 955 */ 956 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 957 struct snd_pcm_runtime *runtime) 958 { 959 snd_via82xx_channel_reset(chip, viadev); 960 /* this must be set after channel_reset */ 961 snd_via82xx_set_table_ptr(chip, viadev); 962 outb(VIA_REG_TYPE_AUTOSTART | 963 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 964 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 965 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 966 VIA_REG_TYPE_INT_EOL | 967 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 968 } 969 970 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 971 { 972 struct via82xx *chip = snd_pcm_substream_chip(substream); 973 struct viadev *viadev = substream->runtime->private_data; 974 struct snd_pcm_runtime *runtime = substream->runtime; 975 976 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 977 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 978 via686_setup_format(chip, viadev, runtime); 979 return 0; 980 } 981 982 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 983 { 984 struct via82xx *chip = snd_pcm_substream_chip(substream); 985 struct viadev *viadev = substream->runtime->private_data; 986 struct snd_pcm_runtime *runtime = substream->runtime; 987 988 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 989 via686_setup_format(chip, viadev, runtime); 990 return 0; 991 } 992 993 /* 994 * lock the current rate 995 */ 996 static int via_lock_rate(struct via_rate_lock *rec, int rate) 997 { 998 int changed = 0; 999 1000 spin_lock_irq(&rec->lock); 1001 if (rec->rate != rate) { 1002 if (rec->rate && rec->used > 1) /* already set */ 1003 changed = -EINVAL; 1004 else { 1005 rec->rate = rate; 1006 changed = 1; 1007 } 1008 } 1009 spin_unlock_irq(&rec->lock); 1010 return changed; 1011 } 1012 1013 /* 1014 * prepare callback for DSX playback on via823x 1015 */ 1016 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1017 { 1018 struct via82xx *chip = snd_pcm_substream_chip(substream); 1019 struct viadev *viadev = substream->runtime->private_data; 1020 struct snd_pcm_runtime *runtime = substream->runtime; 1021 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1022 int rate_changed; 1023 u32 rbits; 1024 1025 rate_changed = via_lock_rate(&chip->rates[0], ac97_rate); 1026 if (rate_changed < 0) 1027 return rate_changed; 1028 if (rate_changed) 1029 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1030 chip->no_vra ? 48000 : runtime->rate); 1031 if (chip->spdif_on && viadev->reg_offset == 0x30) 1032 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1033 1034 if (runtime->rate == 48000) 1035 rbits = 0xfffff; 1036 else 1037 rbits = (0x100000 / 48000) * runtime->rate + 1038 ((0x100000 % 48000) * runtime->rate) / 48000; 1039 snd_BUG_ON(rbits & ~0xfffff); 1040 snd_via82xx_channel_reset(chip, viadev); 1041 snd_via82xx_set_table_ptr(chip, viadev); 1042 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1043 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1044 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1045 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1046 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1047 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1048 rbits | /* rate */ 1049 0xff000000, /* STOP index is never reached */ 1050 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1051 udelay(20); 1052 snd_via82xx_codec_ready(chip, 0); 1053 return 0; 1054 } 1055 1056 /* 1057 * prepare callback for multi-channel playback on via823x 1058 */ 1059 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1060 { 1061 struct via82xx *chip = snd_pcm_substream_chip(substream); 1062 struct viadev *viadev = substream->runtime->private_data; 1063 struct snd_pcm_runtime *runtime = substream->runtime; 1064 unsigned int slots; 1065 int fmt; 1066 1067 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1068 return -EINVAL; 1069 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1070 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1071 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1072 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1073 snd_via82xx_channel_reset(chip, viadev); 1074 snd_via82xx_set_table_ptr(chip, viadev); 1075 1076 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1077 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1078 fmt |= runtime->channels << 4; 1079 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1080 #if 0 1081 if (chip->revision == VIA_REV_8233A) 1082 slots = 0; 1083 else 1084 #endif 1085 { 1086 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1087 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1088 switch (runtime->channels) { 1089 case 1: slots = (1<<0) | (1<<4); break; 1090 case 2: slots = (1<<0) | (2<<4); break; 1091 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1092 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1093 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1094 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1095 default: slots = 0; break; 1096 } 1097 } 1098 /* STOP index is never reached */ 1099 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1100 udelay(20); 1101 snd_via82xx_codec_ready(chip, 0); 1102 return 0; 1103 } 1104 1105 /* 1106 * prepare callback for capture on via823x 1107 */ 1108 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1109 { 1110 struct via82xx *chip = snd_pcm_substream_chip(substream); 1111 struct viadev *viadev = substream->runtime->private_data; 1112 struct snd_pcm_runtime *runtime = substream->runtime; 1113 1114 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1115 return -EINVAL; 1116 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1117 snd_via82xx_channel_reset(chip, viadev); 1118 snd_via82xx_set_table_ptr(chip, viadev); 1119 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1120 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1121 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1122 0xff000000, /* STOP index is never reached */ 1123 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1124 udelay(20); 1125 snd_via82xx_codec_ready(chip, 0); 1126 return 0; 1127 } 1128 1129 1130 /* 1131 * pcm hardware definition, identical for both playback and capture 1132 */ 1133 static const struct snd_pcm_hardware snd_via82xx_hw = 1134 { 1135 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1136 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1137 SNDRV_PCM_INFO_MMAP_VALID | 1138 /* SNDRV_PCM_INFO_RESUME | */ 1139 SNDRV_PCM_INFO_PAUSE), 1140 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1141 .rates = SNDRV_PCM_RATE_48000, 1142 .rate_min = 48000, 1143 .rate_max = 48000, 1144 .channels_min = 1, 1145 .channels_max = 2, 1146 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1147 .period_bytes_min = 32, 1148 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1149 .periods_min = 2, 1150 .periods_max = VIA_TABLE_SIZE / 2, 1151 .fifo_size = 0, 1152 }; 1153 1154 1155 /* 1156 * open callback skeleton 1157 */ 1158 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1159 struct snd_pcm_substream *substream) 1160 { 1161 struct snd_pcm_runtime *runtime = substream->runtime; 1162 int err; 1163 struct via_rate_lock *ratep; 1164 bool use_src = false; 1165 1166 runtime->hw = snd_via82xx_hw; 1167 1168 /* set the hw rate condition */ 1169 ratep = &chip->rates[viadev->direction]; 1170 spin_lock_irq(&ratep->lock); 1171 ratep->used++; 1172 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1173 /* DXS#3 and spdif is on */ 1174 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1175 snd_pcm_limit_hw_rates(runtime); 1176 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1177 /* fixed DXS playback rate */ 1178 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1179 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1180 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1181 /* use full SRC capabilities of DXS */ 1182 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1183 SNDRV_PCM_RATE_8000_48000); 1184 runtime->hw.rate_min = 8000; 1185 runtime->hw.rate_max = 48000; 1186 use_src = true; 1187 } else if (! ratep->rate) { 1188 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1189 runtime->hw.rates = chip->ac97->rates[idx]; 1190 snd_pcm_limit_hw_rates(runtime); 1191 } else { 1192 /* a fixed rate */ 1193 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1194 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1195 } 1196 spin_unlock_irq(&ratep->lock); 1197 1198 /* we may remove following constaint when we modify table entries 1199 in interrupt */ 1200 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 1201 if (err < 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 err = snd_via82xx_pcm_open(chip, viadev, substream); 1227 if (err < 0) 1228 return err; 1229 return 0; 1230 } 1231 1232 /* 1233 * open callback for playback on via823x DXS 1234 */ 1235 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1236 { 1237 struct via82xx *chip = snd_pcm_substream_chip(substream); 1238 struct viadev *viadev; 1239 unsigned int stream; 1240 int err; 1241 1242 viadev = &chip->devs[chip->playback_devno + substream->number]; 1243 err = snd_via82xx_pcm_open(chip, viadev, substream); 1244 if (err < 0) 1245 return err; 1246 stream = viadev->reg_offset / 0x10; 1247 if (chip->dxs_controls[stream]) { 1248 chip->playback_volume[stream][0] = 1249 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1250 chip->playback_volume[stream][1] = 1251 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1252 chip->dxs_controls[stream]->vd[0].access &= 1253 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1254 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1255 SNDRV_CTL_EVENT_MASK_INFO, 1256 &chip->dxs_controls[stream]->id); 1257 } 1258 return 0; 1259 } 1260 1261 /* 1262 * open callback for playback on via823x multi-channel 1263 */ 1264 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1265 { 1266 struct via82xx *chip = snd_pcm_substream_chip(substream); 1267 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1268 int err; 1269 /* channels constraint for VIA8233A 1270 * 3 and 5 channels are not supported 1271 */ 1272 static const unsigned int channels[] = { 1273 1, 2, 4, 6 1274 }; 1275 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1276 .count = ARRAY_SIZE(channels), 1277 .list = channels, 1278 .mask = 0, 1279 }; 1280 1281 err = snd_via82xx_pcm_open(chip, viadev, substream); 1282 if (err < 0) 1283 return err; 1284 substream->runtime->hw.channels_max = 6; 1285 if (chip->revision == VIA_REV_8233A) 1286 snd_pcm_hw_constraint_list(substream->runtime, 0, 1287 SNDRV_PCM_HW_PARAM_CHANNELS, 1288 &hw_constraints_channels); 1289 return 0; 1290 } 1291 1292 /* 1293 * open callback for capture on via686 and via823x 1294 */ 1295 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1296 { 1297 struct via82xx *chip = snd_pcm_substream_chip(substream); 1298 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1299 1300 return snd_via82xx_pcm_open(chip, viadev, substream); 1301 } 1302 1303 /* 1304 * close callback 1305 */ 1306 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1307 { 1308 struct via82xx *chip = snd_pcm_substream_chip(substream); 1309 struct viadev *viadev = substream->runtime->private_data; 1310 struct via_rate_lock *ratep; 1311 1312 /* release the rate lock */ 1313 ratep = &chip->rates[viadev->direction]; 1314 spin_lock_irq(&ratep->lock); 1315 ratep->used--; 1316 if (! ratep->used) 1317 ratep->rate = 0; 1318 spin_unlock_irq(&ratep->lock); 1319 if (! ratep->rate) { 1320 if (! viadev->direction) { 1321 snd_ac97_update_power(chip->ac97, 1322 AC97_PCM_FRONT_DAC_RATE, 0); 1323 snd_ac97_update_power(chip->ac97, 1324 AC97_PCM_SURR_DAC_RATE, 0); 1325 snd_ac97_update_power(chip->ac97, 1326 AC97_PCM_LFE_DAC_RATE, 0); 1327 } else 1328 snd_ac97_update_power(chip->ac97, 1329 AC97_PCM_LR_ADC_RATE, 0); 1330 } 1331 viadev->substream = NULL; 1332 return 0; 1333 } 1334 1335 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1336 { 1337 struct via82xx *chip = snd_pcm_substream_chip(substream); 1338 struct viadev *viadev = substream->runtime->private_data; 1339 unsigned int stream; 1340 1341 stream = viadev->reg_offset / 0x10; 1342 if (chip->dxs_controls[stream]) { 1343 chip->dxs_controls[stream]->vd[0].access |= 1344 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1345 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1346 &chip->dxs_controls[stream]->id); 1347 } 1348 return snd_via82xx_pcm_close(substream); 1349 } 1350 1351 1352 /* via686 playback callbacks */ 1353 static const struct snd_pcm_ops snd_via686_playback_ops = { 1354 .open = snd_via686_playback_open, 1355 .close = snd_via82xx_pcm_close, 1356 .hw_params = snd_via82xx_hw_params, 1357 .hw_free = snd_via82xx_hw_free, 1358 .prepare = snd_via686_playback_prepare, 1359 .trigger = snd_via82xx_pcm_trigger, 1360 .pointer = snd_via686_pcm_pointer, 1361 }; 1362 1363 /* via686 capture callbacks */ 1364 static const struct snd_pcm_ops snd_via686_capture_ops = { 1365 .open = snd_via82xx_capture_open, 1366 .close = snd_via82xx_pcm_close, 1367 .hw_params = snd_via82xx_hw_params, 1368 .hw_free = snd_via82xx_hw_free, 1369 .prepare = snd_via686_capture_prepare, 1370 .trigger = snd_via82xx_pcm_trigger, 1371 .pointer = snd_via686_pcm_pointer, 1372 }; 1373 1374 /* via823x DSX playback callbacks */ 1375 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1376 .open = snd_via8233_playback_open, 1377 .close = snd_via8233_playback_close, 1378 .hw_params = snd_via82xx_hw_params, 1379 .hw_free = snd_via82xx_hw_free, 1380 .prepare = snd_via8233_playback_prepare, 1381 .trigger = snd_via82xx_pcm_trigger, 1382 .pointer = snd_via8233_pcm_pointer, 1383 }; 1384 1385 /* via823x multi-channel playback callbacks */ 1386 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1387 .open = snd_via8233_multi_open, 1388 .close = snd_via82xx_pcm_close, 1389 .hw_params = snd_via82xx_hw_params, 1390 .hw_free = snd_via82xx_hw_free, 1391 .prepare = snd_via8233_multi_prepare, 1392 .trigger = snd_via82xx_pcm_trigger, 1393 .pointer = snd_via8233_pcm_pointer, 1394 }; 1395 1396 /* via823x capture callbacks */ 1397 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1398 .open = snd_via82xx_capture_open, 1399 .close = snd_via82xx_pcm_close, 1400 .hw_params = snd_via82xx_hw_params, 1401 .hw_free = snd_via82xx_hw_free, 1402 .prepare = snd_via8233_capture_prepare, 1403 .trigger = snd_via82xx_pcm_trigger, 1404 .pointer = snd_via8233_pcm_pointer, 1405 }; 1406 1407 1408 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1409 int shadow_pos, int direction) 1410 { 1411 chip->devs[idx].reg_offset = reg_offset; 1412 chip->devs[idx].shadow_shift = shadow_pos * 4; 1413 chip->devs[idx].direction = direction; 1414 chip->devs[idx].port = chip->port + reg_offset; 1415 } 1416 1417 /* 1418 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1419 */ 1420 static int snd_via8233_pcm_new(struct via82xx *chip) 1421 { 1422 struct snd_pcm *pcm; 1423 struct snd_pcm_chmap *chmap; 1424 int i, err; 1425 1426 chip->playback_devno = 0; /* x 4 */ 1427 chip->multi_devno = 4; /* x 1 */ 1428 chip->capture_devno = 5; /* x 2 */ 1429 chip->num_devs = 7; 1430 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1431 1432 /* PCM #0: 4 DSX playbacks and 1 capture */ 1433 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1434 if (err < 0) 1435 return err; 1436 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1437 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1438 pcm->private_data = chip; 1439 strcpy(pcm->name, chip->card->shortname); 1440 chip->pcms[0] = pcm; 1441 /* set up playbacks */ 1442 for (i = 0; i < 4; i++) 1443 init_viadev(chip, i, 0x10 * i, i, 0); 1444 /* capture */ 1445 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1446 1447 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1448 &chip->pci->dev, 1449 64*1024, VIA_MAX_BUFSIZE); 1450 1451 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1452 snd_pcm_std_chmaps, 2, 0, 1453 &chmap); 1454 if (err < 0) 1455 return err; 1456 1457 /* PCM #1: multi-channel playback and 2nd capture */ 1458 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1459 if (err < 0) 1460 return err; 1461 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1462 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1463 pcm->private_data = chip; 1464 strcpy(pcm->name, chip->card->shortname); 1465 chip->pcms[1] = pcm; 1466 /* set up playback */ 1467 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1468 /* set up capture */ 1469 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1470 1471 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1472 &chip->pci->dev, 1473 64*1024, VIA_MAX_BUFSIZE); 1474 1475 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1476 snd_pcm_alt_chmaps, 6, 0, 1477 &chmap); 1478 if (err < 0) 1479 return err; 1480 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1481 1482 return 0; 1483 } 1484 1485 /* 1486 * create pcm instances for VIA8233A 1487 */ 1488 static int snd_via8233a_pcm_new(struct via82xx *chip) 1489 { 1490 struct snd_pcm *pcm; 1491 struct snd_pcm_chmap *chmap; 1492 int err; 1493 1494 chip->multi_devno = 0; 1495 chip->playback_devno = 1; 1496 chip->capture_devno = 2; 1497 chip->num_devs = 3; 1498 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1499 1500 /* PCM #0: multi-channel playback and capture */ 1501 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1502 if (err < 0) 1503 return err; 1504 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1505 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1506 pcm->private_data = chip; 1507 strcpy(pcm->name, chip->card->shortname); 1508 chip->pcms[0] = pcm; 1509 /* set up playback */ 1510 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1511 /* capture */ 1512 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1513 1514 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1515 &chip->pci->dev, 1516 64*1024, VIA_MAX_BUFSIZE); 1517 1518 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1519 snd_pcm_alt_chmaps, 6, 0, 1520 &chmap); 1521 if (err < 0) 1522 return err; 1523 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1524 1525 /* SPDIF supported? */ 1526 if (! ac97_can_spdif(chip->ac97)) 1527 return 0; 1528 1529 /* PCM #1: DXS3 playback (for spdif) */ 1530 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1531 if (err < 0) 1532 return err; 1533 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1534 pcm->private_data = chip; 1535 strcpy(pcm->name, chip->card->shortname); 1536 chip->pcms[1] = pcm; 1537 /* set up playback */ 1538 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1539 1540 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1541 &chip->pci->dev, 1542 64*1024, VIA_MAX_BUFSIZE); 1543 return 0; 1544 } 1545 1546 /* 1547 * create a pcm instance for via686a/b 1548 */ 1549 static int snd_via686_pcm_new(struct via82xx *chip) 1550 { 1551 struct snd_pcm *pcm; 1552 int err; 1553 1554 chip->playback_devno = 0; 1555 chip->capture_devno = 1; 1556 chip->num_devs = 2; 1557 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1558 1559 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1560 if (err < 0) 1561 return err; 1562 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1563 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1564 pcm->private_data = chip; 1565 strcpy(pcm->name, chip->card->shortname); 1566 chip->pcms[0] = pcm; 1567 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1568 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1569 1570 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1571 &chip->pci->dev, 1572 64*1024, VIA_MAX_BUFSIZE); 1573 return 0; 1574 } 1575 1576 1577 /* 1578 * Mixer part 1579 */ 1580 1581 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1582 struct snd_ctl_elem_info *uinfo) 1583 { 1584 /* formerly they were "Line" and "Mic", but it looks like that they 1585 * have nothing to do with the actual physical connections... 1586 */ 1587 static const char * const texts[2] = { 1588 "Input1", "Input2" 1589 }; 1590 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1591 } 1592 1593 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1594 struct snd_ctl_elem_value *ucontrol) 1595 { 1596 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1597 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1598 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1599 return 0; 1600 } 1601 1602 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1603 struct snd_ctl_elem_value *ucontrol) 1604 { 1605 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1606 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1607 u8 val, oval; 1608 1609 spin_lock_irq(&chip->reg_lock); 1610 oval = inb(port); 1611 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1612 if (ucontrol->value.enumerated.item[0]) 1613 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1614 if (val != oval) 1615 outb(val, port); 1616 spin_unlock_irq(&chip->reg_lock); 1617 return val != oval; 1618 } 1619 1620 static struct snd_kcontrol_new snd_via8233_capture_source = { 1621 .name = "Input Source Select", 1622 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1623 .info = snd_via8233_capture_source_info, 1624 .get = snd_via8233_capture_source_get, 1625 .put = snd_via8233_capture_source_put, 1626 }; 1627 1628 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1629 1630 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1631 struct snd_ctl_elem_value *ucontrol) 1632 { 1633 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1634 u8 val; 1635 1636 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1637 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1638 return 0; 1639 } 1640 1641 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1642 struct snd_ctl_elem_value *ucontrol) 1643 { 1644 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1645 u8 val, oval; 1646 1647 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1648 val = oval & ~VIA8233_SPDIF_DX3; 1649 if (ucontrol->value.integer.value[0]) 1650 val |= VIA8233_SPDIF_DX3; 1651 /* save the spdif flag for rate filtering */ 1652 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1653 if (val != oval) { 1654 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1655 return 1; 1656 } 1657 return 0; 1658 } 1659 1660 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1661 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1662 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1663 .info = snd_via8233_dxs3_spdif_info, 1664 .get = snd_via8233_dxs3_spdif_get, 1665 .put = snd_via8233_dxs3_spdif_put, 1666 }; 1667 1668 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1669 struct snd_ctl_elem_info *uinfo) 1670 { 1671 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1672 uinfo->count = 2; 1673 uinfo->value.integer.min = 0; 1674 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1675 return 0; 1676 } 1677 1678 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1679 struct snd_ctl_elem_value *ucontrol) 1680 { 1681 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1682 unsigned int idx = kcontrol->id.subdevice; 1683 1684 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1685 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1686 return 0; 1687 } 1688 1689 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1690 struct snd_ctl_elem_value *ucontrol) 1691 { 1692 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1693 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1694 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1695 return 0; 1696 } 1697 1698 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1699 struct snd_ctl_elem_value *ucontrol) 1700 { 1701 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1702 unsigned int idx = kcontrol->id.subdevice; 1703 unsigned long port = chip->port + 0x10 * idx; 1704 unsigned char val; 1705 int i, change = 0; 1706 1707 for (i = 0; i < 2; i++) { 1708 val = ucontrol->value.integer.value[i]; 1709 if (val > VIA_DXS_MAX_VOLUME) 1710 val = VIA_DXS_MAX_VOLUME; 1711 val = VIA_DXS_MAX_VOLUME - val; 1712 change |= val != chip->playback_volume[idx][i]; 1713 if (change) { 1714 chip->playback_volume[idx][i] = val; 1715 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1716 } 1717 } 1718 return change; 1719 } 1720 1721 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1722 struct snd_ctl_elem_value *ucontrol) 1723 { 1724 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1725 unsigned int idx; 1726 unsigned char val; 1727 int i, change = 0; 1728 1729 for (i = 0; i < 2; i++) { 1730 val = ucontrol->value.integer.value[i]; 1731 if (val > VIA_DXS_MAX_VOLUME) 1732 val = VIA_DXS_MAX_VOLUME; 1733 val = VIA_DXS_MAX_VOLUME - val; 1734 if (val != chip->playback_volume_c[i]) { 1735 change = 1; 1736 chip->playback_volume_c[i] = val; 1737 for (idx = 0; idx < 4; idx++) { 1738 unsigned long port = chip->port + 0x10 * idx; 1739 chip->playback_volume[idx][i] = val; 1740 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1741 } 1742 } 1743 } 1744 return change; 1745 } 1746 1747 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1748 1749 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1750 .name = "PCM Playback Volume", 1751 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1752 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1753 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1754 .info = snd_via8233_dxs_volume_info, 1755 .get = snd_via8233_pcmdxs_volume_get, 1756 .put = snd_via8233_pcmdxs_volume_put, 1757 .tlv = { .p = db_scale_dxs } 1758 }; 1759 1760 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1761 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1762 .device = 0, 1763 /* .subdevice set later */ 1764 .name = "PCM Playback Volume", 1765 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1766 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1767 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1768 .info = snd_via8233_dxs_volume_info, 1769 .get = snd_via8233_dxs_volume_get, 1770 .put = snd_via8233_dxs_volume_put, 1771 .tlv = { .p = db_scale_dxs } 1772 }; 1773 1774 /* 1775 */ 1776 1777 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1778 { 1779 struct via82xx *chip = bus->private_data; 1780 chip->ac97_bus = NULL; 1781 } 1782 1783 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1784 { 1785 struct via82xx *chip = ac97->private_data; 1786 chip->ac97 = NULL; 1787 } 1788 1789 static const struct ac97_quirk ac97_quirks[] = { 1790 { 1791 .subvendor = 0x1106, 1792 .subdevice = 0x4161, 1793 .codec_id = 0x56494161, /* VT1612A */ 1794 .name = "Soltek SL-75DRV5", 1795 .type = AC97_TUNE_NONE 1796 }, 1797 { /* FIXME: which codec? */ 1798 .subvendor = 0x1106, 1799 .subdevice = 0x4161, 1800 .name = "ASRock K7VT2", 1801 .type = AC97_TUNE_HP_ONLY 1802 }, 1803 { 1804 .subvendor = 0x110a, 1805 .subdevice = 0x0079, 1806 .name = "Fujitsu Siemens D1289", 1807 .type = AC97_TUNE_HP_ONLY 1808 }, 1809 { 1810 .subvendor = 0x1019, 1811 .subdevice = 0x0a81, 1812 .name = "ECS K7VTA3", 1813 .type = AC97_TUNE_HP_ONLY 1814 }, 1815 { 1816 .subvendor = 0x1019, 1817 .subdevice = 0x0a85, 1818 .name = "ECS L7VMM2", 1819 .type = AC97_TUNE_HP_ONLY 1820 }, 1821 { 1822 .subvendor = 0x1019, 1823 .subdevice = 0x1841, 1824 .name = "ECS K7VTA3", 1825 .type = AC97_TUNE_HP_ONLY 1826 }, 1827 { 1828 .subvendor = 0x1849, 1829 .subdevice = 0x3059, 1830 .name = "ASRock K7VM2", 1831 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1832 }, 1833 { 1834 .subvendor = 0x14cd, 1835 .subdevice = 0x7002, 1836 .name = "Unknown", 1837 .type = AC97_TUNE_ALC_JACK 1838 }, 1839 { 1840 .subvendor = 0x1071, 1841 .subdevice = 0x8590, 1842 .name = "Mitac Mobo", 1843 .type = AC97_TUNE_ALC_JACK 1844 }, 1845 { 1846 .subvendor = 0x161f, 1847 .subdevice = 0x202b, 1848 .name = "Arima Notebook", 1849 .type = AC97_TUNE_HP_ONLY, 1850 }, 1851 { 1852 .subvendor = 0x161f, 1853 .subdevice = 0x2032, 1854 .name = "Targa Traveller 811", 1855 .type = AC97_TUNE_HP_ONLY, 1856 }, 1857 { 1858 .subvendor = 0x161f, 1859 .subdevice = 0x2032, 1860 .name = "m680x", 1861 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1862 }, 1863 { 1864 .subvendor = 0x1297, 1865 .subdevice = 0xa232, 1866 .name = "Shuttle AK32VN", 1867 .type = AC97_TUNE_HP_ONLY 1868 }, 1869 { } /* terminator */ 1870 }; 1871 1872 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1873 { 1874 struct snd_ac97_template ac97; 1875 int err; 1876 static const struct snd_ac97_bus_ops ops = { 1877 .write = snd_via82xx_codec_write, 1878 .read = snd_via82xx_codec_read, 1879 .wait = snd_via82xx_codec_wait, 1880 }; 1881 1882 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); 1883 if (err < 0) 1884 return err; 1885 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1886 chip->ac97_bus->clock = chip->ac97_clock; 1887 1888 memset(&ac97, 0, sizeof(ac97)); 1889 ac97.private_data = chip; 1890 ac97.private_free = snd_via82xx_mixer_free_ac97; 1891 ac97.pci = chip->pci; 1892 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1893 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); 1894 if (err < 0) 1895 return err; 1896 1897 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1898 1899 if (chip->chip_type != TYPE_VIA686) { 1900 /* use slot 10/11 */ 1901 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1902 } 1903 1904 return 0; 1905 } 1906 1907 #ifdef SUPPORT_JOYSTICK 1908 #define JOYSTICK_ADDR 0x200 1909 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1910 { 1911 struct gameport *gp; 1912 1913 if (!joystick) 1914 return -ENODEV; 1915 1916 if (!devm_request_region(chip->card->dev, JOYSTICK_ADDR, 8, 1917 "VIA686 gameport")) { 1918 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1919 JOYSTICK_ADDR); 1920 return -EBUSY; 1921 } 1922 1923 chip->gameport = gp = gameport_allocate_port(); 1924 if (!gp) { 1925 dev_err(chip->card->dev, 1926 "cannot allocate memory for gameport\n"); 1927 return -ENOMEM; 1928 } 1929 1930 gameport_set_name(gp, "VIA686 Gameport"); 1931 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1932 gameport_set_dev_parent(gp, &chip->pci->dev); 1933 gp->io = JOYSTICK_ADDR; 1934 1935 /* Enable legacy joystick port */ 1936 *legacy |= VIA_FUNC_ENABLE_GAME; 1937 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1938 1939 gameport_register_port(chip->gameport); 1940 1941 return 0; 1942 } 1943 1944 static void snd_via686_free_gameport(struct via82xx *chip) 1945 { 1946 if (chip->gameport) { 1947 gameport_unregister_port(chip->gameport); 1948 chip->gameport = NULL; 1949 } 1950 } 1951 #else 1952 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1953 { 1954 return -ENOSYS; 1955 } 1956 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1957 #endif 1958 1959 1960 /* 1961 * 1962 */ 1963 1964 static int snd_via8233_init_misc(struct via82xx *chip) 1965 { 1966 int i, err, caps; 1967 unsigned char val; 1968 1969 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1970 for (i = 0; i < caps; i++) { 1971 snd_via8233_capture_source.index = i; 1972 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1973 if (err < 0) 1974 return err; 1975 } 1976 if (ac97_can_spdif(chip->ac97)) { 1977 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1978 if (err < 0) 1979 return err; 1980 } 1981 if (chip->chip_type != TYPE_VIA8233A) { 1982 /* when no h/w PCM volume control is found, use DXS volume control 1983 * as the PCM vol control 1984 */ 1985 if (!snd_ctl_find_id_mixer(chip->card, "PCM Playback Volume")) { 1986 dev_info(chip->card->dev, 1987 "Using DXS as PCM Playback\n"); 1988 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1989 if (err < 0) 1990 return err; 1991 } 1992 else /* Using DXS when PCM emulation is enabled is really weird */ 1993 { 1994 for (i = 0; i < 4; ++i) { 1995 struct snd_kcontrol *kctl; 1996 1997 kctl = snd_ctl_new1( 1998 &snd_via8233_dxs_volume_control, chip); 1999 if (!kctl) 2000 return -ENOMEM; 2001 kctl->id.subdevice = i; 2002 err = snd_ctl_add(chip->card, kctl); 2003 if (err < 0) 2004 return err; 2005 chip->dxs_controls[i] = kctl; 2006 } 2007 } 2008 } 2009 /* select spdif data slot 10/11 */ 2010 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2011 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2012 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2013 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2014 2015 return 0; 2016 } 2017 2018 static int snd_via686_init_misc(struct via82xx *chip) 2019 { 2020 unsigned char legacy, legacy_cfg; 2021 int rev_h = 0; 2022 2023 legacy = chip->old_legacy; 2024 legacy_cfg = chip->old_legacy_cfg; 2025 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2026 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2027 if (chip->revision >= VIA_REV_686_H) { 2028 rev_h = 1; 2029 if (mpu_port >= 0x200) { /* force MIDI */ 2030 mpu_port &= 0xfffc; 2031 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2032 chip->mpu_port_saved = mpu_port; 2033 } else { 2034 mpu_port = pci_resource_start(chip->pci, 2); 2035 } 2036 } else { 2037 switch (mpu_port) { /* force MIDI */ 2038 case 0x300: 2039 case 0x310: 2040 case 0x320: 2041 case 0x330: 2042 legacy_cfg &= ~(3 << 2); 2043 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2044 break; 2045 default: /* no, use BIOS settings */ 2046 if (legacy & VIA_FUNC_ENABLE_MIDI) 2047 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2048 break; 2049 } 2050 } 2051 if (mpu_port >= 0x200) 2052 chip->mpu_res = devm_request_region(&chip->pci->dev, mpu_port, 2053 2, "VIA82xx MPU401"); 2054 if (chip->mpu_res) { 2055 if (rev_h) 2056 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2057 legacy |= VIA_FUNC_ENABLE_MIDI; 2058 } else { 2059 if (rev_h) 2060 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2061 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2062 mpu_port = 0; 2063 } 2064 2065 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2066 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2067 if (chip->mpu_res) { 2068 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2069 mpu_port, MPU401_INFO_INTEGRATED | 2070 MPU401_INFO_IRQ_HOOK, -1, 2071 &chip->rmidi) < 0) { 2072 dev_warn(chip->card->dev, 2073 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2074 mpu_port); 2075 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2076 } else { 2077 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2078 } 2079 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2080 } 2081 2082 snd_via686_create_gameport(chip, &legacy); 2083 2084 chip->legacy_saved = legacy; 2085 chip->legacy_cfg_saved = legacy_cfg; 2086 2087 return 0; 2088 } 2089 2090 2091 /* 2092 * proc interface 2093 */ 2094 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2095 struct snd_info_buffer *buffer) 2096 { 2097 struct via82xx *chip = entry->private_data; 2098 int i; 2099 2100 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2101 for (i = 0; i < 0xa0; i += 4) { 2102 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2103 } 2104 } 2105 2106 static void snd_via82xx_proc_init(struct via82xx *chip) 2107 { 2108 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2109 snd_via82xx_proc_read); 2110 } 2111 2112 /* 2113 * 2114 */ 2115 2116 static int snd_via82xx_chip_init(struct via82xx *chip) 2117 { 2118 unsigned int val; 2119 unsigned long end_time; 2120 unsigned char pval; 2121 2122 #if 0 /* broken on K7M? */ 2123 if (chip->chip_type == TYPE_VIA686) 2124 /* disable all legacy ports */ 2125 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2126 #endif 2127 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2128 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2129 /* deassert ACLink reset, force SYNC */ 2130 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2131 VIA_ACLINK_CTRL_ENABLE | 2132 VIA_ACLINK_CTRL_RESET | 2133 VIA_ACLINK_CTRL_SYNC); 2134 udelay(100); 2135 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2136 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2137 udelay(100); 2138 #else 2139 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2140 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2141 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2142 udelay(2); 2143 #endif 2144 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2145 /* note - FM data out has trouble with non VRA codecs !! */ 2146 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2147 udelay(100); 2148 } 2149 2150 /* Make sure VRA is enabled, in case we didn't do a 2151 * complete codec reset, above */ 2152 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2153 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2154 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2155 /* note - FM data out has trouble with non VRA codecs !! */ 2156 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2157 udelay(100); 2158 } 2159 2160 /* wait until codec ready */ 2161 end_time = jiffies + msecs_to_jiffies(750); 2162 do { 2163 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2164 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2165 break; 2166 schedule_timeout_uninterruptible(1); 2167 } while (time_before(jiffies, end_time)); 2168 2169 val = snd_via82xx_codec_xread(chip); 2170 if (val & VIA_REG_AC97_BUSY) 2171 dev_err(chip->card->dev, 2172 "AC'97 codec is not ready [0x%x]\n", val); 2173 2174 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2175 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2176 VIA_REG_AC97_SECONDARY_VALID | 2177 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2178 end_time = jiffies + msecs_to_jiffies(750); 2179 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2180 VIA_REG_AC97_SECONDARY_VALID | 2181 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2182 do { 2183 val = snd_via82xx_codec_xread(chip); 2184 if (val & VIA_REG_AC97_SECONDARY_VALID) { 2185 chip->ac97_secondary = 1; 2186 goto __ac97_ok2; 2187 } 2188 schedule_timeout_uninterruptible(1); 2189 } while (time_before(jiffies, end_time)); 2190 /* This is ok, the most of motherboards have only one codec */ 2191 2192 __ac97_ok2: 2193 #endif 2194 2195 if (chip->chip_type == TYPE_VIA686) { 2196 /* route FM trap to IRQ, disable FM trap */ 2197 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2198 /* disable all GPI interrupts */ 2199 outl(0, VIAREG(chip, GPI_INTR)); 2200 } 2201 2202 if (chip->chip_type != TYPE_VIA686) { 2203 /* Workaround for Award BIOS bug: 2204 * DXS channels don't work properly with VRA if MC97 is disabled. 2205 */ 2206 struct pci_dev *pci; 2207 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2208 if (pci) { 2209 unsigned char data; 2210 pci_read_config_byte(pci, 0x44, &data); 2211 pci_write_config_byte(pci, 0x44, data | 0x40); 2212 pci_dev_put(pci); 2213 } 2214 } 2215 2216 if (chip->chip_type != TYPE_VIA8233A) { 2217 int i, idx; 2218 for (idx = 0; idx < 4; idx++) { 2219 unsigned long port = chip->port + 0x10 * idx; 2220 for (i = 0; i < 2; i++) { 2221 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2222 outb(chip->playback_volume_c[i], 2223 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2224 } 2225 } 2226 } 2227 2228 return 0; 2229 } 2230 2231 /* 2232 * power management 2233 */ 2234 static int snd_via82xx_suspend(struct device *dev) 2235 { 2236 struct snd_card *card = dev_get_drvdata(dev); 2237 struct via82xx *chip = card->private_data; 2238 int i; 2239 2240 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2241 for (i = 0; i < chip->num_devs; i++) 2242 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2243 snd_ac97_suspend(chip->ac97); 2244 2245 /* save misc values */ 2246 if (chip->chip_type != TYPE_VIA686) { 2247 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2248 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2249 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2250 } 2251 2252 return 0; 2253 } 2254 2255 static int snd_via82xx_resume(struct device *dev) 2256 { 2257 struct snd_card *card = dev_get_drvdata(dev); 2258 struct via82xx *chip = card->private_data; 2259 int i; 2260 2261 snd_via82xx_chip_init(chip); 2262 2263 if (chip->chip_type == TYPE_VIA686) { 2264 if (chip->mpu_port_saved) 2265 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2266 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2267 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2268 } else { 2269 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2270 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2271 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2272 } 2273 2274 snd_ac97_resume(chip->ac97); 2275 2276 for (i = 0; i < chip->num_devs; i++) 2277 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2278 2279 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2280 return 0; 2281 } 2282 2283 static DEFINE_SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2284 2285 static void snd_via82xx_free(struct snd_card *card) 2286 { 2287 struct via82xx *chip = card->private_data; 2288 unsigned int i; 2289 2290 /* disable interrupts */ 2291 for (i = 0; i < chip->num_devs; i++) 2292 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2293 2294 if (chip->chip_type == TYPE_VIA686) { 2295 snd_via686_free_gameport(chip); 2296 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2297 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2298 } 2299 } 2300 2301 static int snd_via82xx_create(struct snd_card *card, 2302 struct pci_dev *pci, 2303 int chip_type, 2304 int revision, 2305 unsigned int ac97_clock) 2306 { 2307 struct via82xx *chip = card->private_data; 2308 int err; 2309 2310 err = pcim_enable_device(pci); 2311 if (err < 0) 2312 return err; 2313 2314 chip->chip_type = chip_type; 2315 chip->revision = revision; 2316 2317 spin_lock_init(&chip->reg_lock); 2318 spin_lock_init(&chip->rates[0].lock); 2319 spin_lock_init(&chip->rates[1].lock); 2320 chip->card = card; 2321 chip->pci = pci; 2322 chip->irq = -1; 2323 2324 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2325 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2326 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2327 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2328 2329 err = pci_request_regions(pci, card->driver); 2330 if (err < 0) 2331 return err; 2332 chip->port = pci_resource_start(pci, 0); 2333 if (devm_request_irq(&pci->dev, pci->irq, 2334 chip_type == TYPE_VIA8233 ? 2335 snd_via8233_interrupt : snd_via686_interrupt, 2336 IRQF_SHARED, 2337 KBUILD_MODNAME, chip)) { 2338 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2339 return -EBUSY; 2340 } 2341 chip->irq = pci->irq; 2342 card->sync_irq = chip->irq; 2343 card->private_free = snd_via82xx_free; 2344 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2345 chip->ac97_clock = ac97_clock; 2346 2347 err = snd_via82xx_chip_init(chip); 2348 if (err < 0) 2349 return err; 2350 2351 /* The 8233 ac97 controller does not implement the master bit 2352 * in the pci command register. IMHO this is a violation of the PCI spec. 2353 * We call pci_set_master here because it does not hurt. */ 2354 pci_set_master(pci); 2355 return 0; 2356 } 2357 2358 struct via823x_info { 2359 int revision; 2360 char *name; 2361 int type; 2362 }; 2363 static const struct via823x_info via823x_cards[] = { 2364 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2365 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2366 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2367 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2368 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2369 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2370 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2371 }; 2372 2373 /* 2374 * auto detection of DXS channel supports. 2375 */ 2376 2377 static const struct snd_pci_quirk dxs_allowlist[] = { 2378 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2379 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2380 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2381 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2382 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2383 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2384 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2385 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2386 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2387 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2388 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2389 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2390 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2391 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2392 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2393 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2394 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2395 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2396 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2397 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2398 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2399 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2400 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2401 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2402 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2403 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2404 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2405 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2406 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2407 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2408 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2409 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2410 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2411 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2412 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2413 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2414 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2415 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2416 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2417 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2418 { } /* terminator */ 2419 }; 2420 2421 static int check_dxs_list(struct pci_dev *pci, int revision) 2422 { 2423 const struct snd_pci_quirk *w; 2424 2425 w = snd_pci_quirk_lookup(pci, dxs_allowlist); 2426 if (w) { 2427 dev_dbg(&pci->dev, "DXS allow list for %s found\n", 2428 snd_pci_quirk_name(w)); 2429 return w->value; 2430 } 2431 2432 /* for newer revision, default to DXS_SRC */ 2433 if (revision >= VIA_REV_8235) 2434 return VIA_DXS_SRC; 2435 2436 /* 2437 * not detected, try 48k rate only to be sure. 2438 */ 2439 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2440 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2441 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2442 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2443 return VIA_DXS_48K; 2444 }; 2445 2446 static int __snd_via82xx_probe(struct pci_dev *pci, 2447 const struct pci_device_id *pci_id) 2448 { 2449 struct snd_card *card; 2450 struct via82xx *chip; 2451 int chip_type = 0, card_type; 2452 unsigned int i; 2453 int err; 2454 2455 err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE, 2456 sizeof(*chip), &card); 2457 if (err < 0) 2458 return err; 2459 chip = card->private_data; 2460 2461 card_type = pci_id->driver_data; 2462 switch (card_type) { 2463 case TYPE_CARD_VIA686: 2464 strcpy(card->driver, "VIA686A"); 2465 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2466 chip_type = TYPE_VIA686; 2467 break; 2468 case TYPE_CARD_VIA8233: 2469 chip_type = TYPE_VIA8233; 2470 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2471 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2472 if (pci->revision == via823x_cards[i].revision) { 2473 chip_type = via823x_cards[i].type; 2474 strcpy(card->shortname, via823x_cards[i].name); 2475 break; 2476 } 2477 } 2478 if (chip_type != TYPE_VIA8233A) { 2479 if (dxs_support == VIA_DXS_AUTO) 2480 dxs_support = check_dxs_list(pci, pci->revision); 2481 /* force to use VIA8233 or 8233A model according to 2482 * dxs_support module option 2483 */ 2484 if (dxs_support == VIA_DXS_DISABLE) 2485 chip_type = TYPE_VIA8233A; 2486 else 2487 chip_type = TYPE_VIA8233; 2488 } 2489 if (chip_type == TYPE_VIA8233A) 2490 strcpy(card->driver, "VIA8233A"); 2491 else if (pci->revision >= VIA_REV_8237) 2492 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2493 else 2494 strcpy(card->driver, "VIA8233"); 2495 break; 2496 default: 2497 dev_err(card->dev, "invalid card type %d\n", card_type); 2498 return -EINVAL; 2499 } 2500 2501 err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2502 ac97_clock); 2503 if (err < 0) 2504 return err; 2505 err = snd_via82xx_mixer_new(chip, ac97_quirk); 2506 if (err < 0) 2507 return err; 2508 2509 if (chip_type == TYPE_VIA686) { 2510 err = snd_via686_pcm_new(chip); 2511 if (err < 0) 2512 return err; 2513 err = snd_via686_init_misc(chip); 2514 if (err < 0) 2515 return err; 2516 } else { 2517 if (chip_type == TYPE_VIA8233A) { 2518 err = snd_via8233a_pcm_new(chip); 2519 if (err < 0) 2520 return err; 2521 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2522 } else { 2523 err = snd_via8233_pcm_new(chip); 2524 if (err < 0) 2525 return err; 2526 if (dxs_support == VIA_DXS_48K) 2527 chip->dxs_fixed = 1; 2528 else if (dxs_support == VIA_DXS_NO_VRA) 2529 chip->no_vra = 1; 2530 else if (dxs_support == VIA_DXS_SRC) { 2531 chip->no_vra = 1; 2532 chip->dxs_src = 1; 2533 } 2534 } 2535 err = snd_via8233_init_misc(chip); 2536 if (err < 0) 2537 return err; 2538 } 2539 2540 /* disable interrupts */ 2541 for (i = 0; i < chip->num_devs; i++) 2542 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2543 2544 snprintf(card->longname, sizeof(card->longname), 2545 "%s with %s at %#lx, irq %d", card->shortname, 2546 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2547 2548 snd_via82xx_proc_init(chip); 2549 2550 err = snd_card_register(card); 2551 if (err < 0) 2552 return err; 2553 pci_set_drvdata(pci, card); 2554 return 0; 2555 } 2556 2557 static int snd_via82xx_probe(struct pci_dev *pci, 2558 const struct pci_device_id *pci_id) 2559 { 2560 return snd_card_free_on_error(&pci->dev, __snd_via82xx_probe(pci, pci_id)); 2561 } 2562 2563 static struct pci_driver via82xx_driver = { 2564 .name = KBUILD_MODNAME, 2565 .id_table = snd_via82xx_ids, 2566 .probe = snd_via82xx_probe, 2567 .driver = { 2568 .pm = &snd_via82xx_pm, 2569 }, 2570 }; 2571 2572 module_pci_driver(via82xx_driver); 2573