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 guard(spinlock)(&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 return IRQ_HANDLED; 656 } 657 658 /* 659 * Interrupt handler 660 */ 661 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 662 { 663 struct via82xx *chip = dev_id; 664 unsigned int status; 665 unsigned int i; 666 int irqreturn = 0; 667 668 /* check status for each stream */ 669 guard(spinlock)(&chip->reg_lock); 670 status = inl(VIAREG(chip, SGD_SHADOW)); 671 672 for (i = 0; i < chip->num_devs; i++) { 673 struct viadev *viadev = &chip->devs[i]; 674 struct snd_pcm_substream *substream; 675 unsigned char c_status, shadow_status; 676 677 shadow_status = (status >> viadev->shadow_shift) & 678 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 679 VIA_REG_STAT_FLAG); 680 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 681 if (!c_status) 682 continue; 683 684 substream = viadev->substream; 685 if (substream && viadev->running) { 686 /* 687 * Update hwptr_done based on 'period elapsed' 688 * interrupts. We'll use it, when the chip returns 0 689 * for OFFSET_CURR_COUNT. 690 */ 691 if (c_status & VIA_REG_STAT_EOL) 692 viadev->hwptr_done = 0; 693 else 694 viadev->hwptr_done += viadev->fragsize; 695 viadev->in_interrupt = c_status; 696 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 697 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 698 spin_unlock(&chip->reg_lock); 699 700 snd_pcm_period_elapsed(substream); 701 702 spin_lock(&chip->reg_lock); 703 viadev->in_interrupt = 0; 704 } 705 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 706 irqreturn = 1; 707 } 708 return IRQ_RETVAL(irqreturn); 709 } 710 711 /* 712 * PCM callbacks 713 */ 714 715 /* 716 * trigger callback 717 */ 718 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 719 { 720 struct via82xx *chip = snd_pcm_substream_chip(substream); 721 struct viadev *viadev = substream->runtime->private_data; 722 unsigned char val; 723 724 if (chip->chip_type != TYPE_VIA686) 725 val = VIA_REG_CTRL_INT; 726 else 727 val = 0; 728 switch (cmd) { 729 case SNDRV_PCM_TRIGGER_START: 730 case SNDRV_PCM_TRIGGER_RESUME: 731 val |= VIA_REG_CTRL_START; 732 viadev->running = 1; 733 break; 734 case SNDRV_PCM_TRIGGER_STOP: 735 case SNDRV_PCM_TRIGGER_SUSPEND: 736 val = VIA_REG_CTRL_TERMINATE; 737 viadev->running = 0; 738 break; 739 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 740 val |= VIA_REG_CTRL_PAUSE; 741 viadev->running = 0; 742 break; 743 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 744 viadev->running = 1; 745 break; 746 default: 747 return -EINVAL; 748 } 749 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 750 if (cmd == SNDRV_PCM_TRIGGER_STOP) 751 snd_via82xx_channel_reset(chip, viadev); 752 return 0; 753 } 754 755 756 /* 757 * pointer callbacks 758 */ 759 760 /* 761 * calculate the linear position at the given sg-buffer index and the rest count 762 */ 763 764 #define check_invalid_pos(viadev,pos) \ 765 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 766 viadev->lastpos < viadev->bufsize2)) 767 768 static inline unsigned int calc_linear_pos(struct via82xx *chip, 769 struct viadev *viadev, 770 unsigned int idx, 771 unsigned int count) 772 { 773 unsigned int size, base, res; 774 775 size = viadev->idx_table[idx].size; 776 base = viadev->idx_table[idx].offset; 777 res = base + size - count; 778 if (res >= viadev->bufsize) 779 res -= viadev->bufsize; 780 781 /* check the validity of the calculated position */ 782 if (size < count) { 783 dev_dbg(chip->card->dev, 784 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 785 (int)size, (int)count); 786 res = viadev->lastpos; 787 } else { 788 if (! count) { 789 /* Some mobos report count = 0 on the DMA boundary, 790 * i.e. count = size indeed. 791 * Let's check whether this step is above the expected size. 792 */ 793 int delta = res - viadev->lastpos; 794 if (delta < 0) 795 delta += viadev->bufsize; 796 if ((unsigned int)delta > viadev->fragsize) 797 res = base; 798 } 799 if (check_invalid_pos(viadev, res)) { 800 #ifdef POINTER_DEBUG 801 dev_dbg(chip->card->dev, 802 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 803 idx, viadev->tbl_entries, 804 viadev->lastpos, viadev->bufsize2, 805 viadev->idx_table[idx].offset, 806 viadev->idx_table[idx].size, count); 807 #endif 808 /* count register returns full size when end of buffer is reached */ 809 res = base + size; 810 if (check_invalid_pos(viadev, res)) { 811 dev_dbg(chip->card->dev, 812 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 813 res = viadev->lastpos; 814 } 815 } 816 } 817 return res; 818 } 819 820 /* 821 * get the current pointer on via686 822 */ 823 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 824 { 825 struct via82xx *chip = snd_pcm_substream_chip(substream); 826 struct viadev *viadev = substream->runtime->private_data; 827 unsigned int idx, ptr, count, res; 828 829 if (snd_BUG_ON(!viadev->tbl_entries)) 830 return 0; 831 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 832 return 0; 833 834 guard(spinlock)(&chip->reg_lock); 835 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 836 /* The via686a does not have the current index register, 837 * so we need to calculate the index from CURR_PTR. 838 */ 839 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 840 if (ptr <= (unsigned int)viadev->table.addr) 841 idx = 0; 842 else /* CURR_PTR holds the address + 8 */ 843 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 844 res = calc_linear_pos(chip, viadev, idx, count); 845 viadev->lastpos = res; /* remember the last position */ 846 847 return bytes_to_frames(substream->runtime, res); 848 } 849 850 /* 851 * get the current pointer on via823x 852 */ 853 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 854 { 855 struct via82xx *chip = snd_pcm_substream_chip(substream); 856 struct viadev *viadev = substream->runtime->private_data; 857 unsigned int idx, count, res; 858 int status; 859 860 if (snd_BUG_ON(!viadev->tbl_entries)) 861 return 0; 862 863 guard(spinlock)(&chip->reg_lock); 864 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 865 status = viadev->in_interrupt; 866 if (!status) 867 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 868 869 /* An apparent bug in the 8251 is worked around by sending a 870 * REG_CTRL_START. */ 871 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 872 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 873 874 if (!(status & VIA_REG_STAT_ACTIVE)) { 875 res = 0; 876 goto unlock; 877 } 878 if (count & 0xffffff) { 879 idx = count >> 24; 880 if (idx >= viadev->tbl_entries) { 881 #ifdef POINTER_DEBUG 882 dev_dbg(chip->card->dev, 883 "fail: invalid idx = %i/%i\n", idx, 884 viadev->tbl_entries); 885 #endif 886 res = viadev->lastpos; 887 } else { 888 count &= 0xffffff; 889 res = calc_linear_pos(chip, viadev, idx, count); 890 } 891 } else { 892 res = viadev->hwptr_done; 893 if (!viadev->in_interrupt) { 894 if (status & VIA_REG_STAT_EOL) { 895 res = 0; 896 } else 897 if (status & VIA_REG_STAT_FLAG) { 898 res += viadev->fragsize; 899 } 900 } 901 } 902 unlock: 903 viadev->lastpos = res; 904 905 return bytes_to_frames(substream->runtime, res); 906 } 907 908 909 /* 910 * hw_params callback: 911 * allocate the buffer and build up the buffer description table 912 */ 913 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 914 struct snd_pcm_hw_params *hw_params) 915 { 916 struct via82xx *chip = snd_pcm_substream_chip(substream); 917 struct viadev *viadev = substream->runtime->private_data; 918 919 return build_via_table(viadev, substream, chip->pci, 920 params_periods(hw_params), 921 params_period_bytes(hw_params)); 922 } 923 924 /* 925 * hw_free callback: 926 * clean up the buffer description table and release the buffer 927 */ 928 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 929 { 930 struct via82xx *chip = snd_pcm_substream_chip(substream); 931 struct viadev *viadev = substream->runtime->private_data; 932 933 clean_via_table(viadev, substream, chip->pci); 934 return 0; 935 } 936 937 938 /* 939 * set up the table pointer 940 */ 941 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 942 { 943 snd_via82xx_codec_ready(chip, 0); 944 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 945 udelay(20); 946 snd_via82xx_codec_ready(chip, 0); 947 } 948 949 /* 950 * prepare callback for playback and capture on via686 951 */ 952 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 953 struct snd_pcm_runtime *runtime) 954 { 955 snd_via82xx_channel_reset(chip, viadev); 956 /* this must be set after channel_reset */ 957 snd_via82xx_set_table_ptr(chip, viadev); 958 outb(VIA_REG_TYPE_AUTOSTART | 959 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 960 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 961 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 962 VIA_REG_TYPE_INT_EOL | 963 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 964 } 965 966 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 967 { 968 struct via82xx *chip = snd_pcm_substream_chip(substream); 969 struct viadev *viadev = substream->runtime->private_data; 970 struct snd_pcm_runtime *runtime = substream->runtime; 971 972 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 973 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 974 via686_setup_format(chip, viadev, runtime); 975 return 0; 976 } 977 978 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 979 { 980 struct via82xx *chip = snd_pcm_substream_chip(substream); 981 struct viadev *viadev = substream->runtime->private_data; 982 struct snd_pcm_runtime *runtime = substream->runtime; 983 984 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 985 via686_setup_format(chip, viadev, runtime); 986 return 0; 987 } 988 989 /* 990 * lock the current rate 991 */ 992 static int via_lock_rate(struct via_rate_lock *rec, int rate) 993 { 994 int changed = 0; 995 996 guard(spinlock_irq)(&rec->lock); 997 if (rec->rate != rate) { 998 if (rec->rate && rec->used > 1) /* already set */ 999 changed = -EINVAL; 1000 else { 1001 rec->rate = rate; 1002 changed = 1; 1003 } 1004 } 1005 return changed; 1006 } 1007 1008 /* 1009 * prepare callback for DSX playback on via823x 1010 */ 1011 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1012 { 1013 struct via82xx *chip = snd_pcm_substream_chip(substream); 1014 struct viadev *viadev = substream->runtime->private_data; 1015 struct snd_pcm_runtime *runtime = substream->runtime; 1016 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1017 int rate_changed; 1018 u32 rbits; 1019 1020 rate_changed = via_lock_rate(&chip->rates[0], ac97_rate); 1021 if (rate_changed < 0) 1022 return rate_changed; 1023 if (rate_changed) 1024 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1025 chip->no_vra ? 48000 : runtime->rate); 1026 if (chip->spdif_on && viadev->reg_offset == 0x30) 1027 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1028 1029 if (runtime->rate == 48000) 1030 rbits = 0xfffff; 1031 else 1032 rbits = (0x100000 / 48000) * runtime->rate + 1033 ((0x100000 % 48000) * runtime->rate) / 48000; 1034 snd_BUG_ON(rbits & ~0xfffff); 1035 snd_via82xx_channel_reset(chip, viadev); 1036 snd_via82xx_set_table_ptr(chip, viadev); 1037 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1038 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1039 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1040 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1041 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1042 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1043 rbits | /* rate */ 1044 0xff000000, /* STOP index is never reached */ 1045 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1046 udelay(20); 1047 snd_via82xx_codec_ready(chip, 0); 1048 return 0; 1049 } 1050 1051 /* 1052 * prepare callback for multi-channel playback on via823x 1053 */ 1054 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1055 { 1056 struct via82xx *chip = snd_pcm_substream_chip(substream); 1057 struct viadev *viadev = substream->runtime->private_data; 1058 struct snd_pcm_runtime *runtime = substream->runtime; 1059 unsigned int slots; 1060 int fmt; 1061 1062 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1063 return -EINVAL; 1064 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1065 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1066 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1067 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1068 snd_via82xx_channel_reset(chip, viadev); 1069 snd_via82xx_set_table_ptr(chip, viadev); 1070 1071 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1072 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1073 fmt |= runtime->channels << 4; 1074 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1075 #if 0 1076 if (chip->revision == VIA_REV_8233A) 1077 slots = 0; 1078 else 1079 #endif 1080 { 1081 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1082 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1083 switch (runtime->channels) { 1084 case 1: slots = (1<<0) | (1<<4); break; 1085 case 2: slots = (1<<0) | (2<<4); break; 1086 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1087 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1088 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1089 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1090 default: slots = 0; break; 1091 } 1092 } 1093 /* STOP index is never reached */ 1094 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1095 udelay(20); 1096 snd_via82xx_codec_ready(chip, 0); 1097 return 0; 1098 } 1099 1100 /* 1101 * prepare callback for capture on via823x 1102 */ 1103 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1104 { 1105 struct via82xx *chip = snd_pcm_substream_chip(substream); 1106 struct viadev *viadev = substream->runtime->private_data; 1107 struct snd_pcm_runtime *runtime = substream->runtime; 1108 1109 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1110 return -EINVAL; 1111 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1112 snd_via82xx_channel_reset(chip, viadev); 1113 snd_via82xx_set_table_ptr(chip, viadev); 1114 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1115 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1116 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1117 0xff000000, /* STOP index is never reached */ 1118 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1119 udelay(20); 1120 snd_via82xx_codec_ready(chip, 0); 1121 return 0; 1122 } 1123 1124 1125 /* 1126 * pcm hardware definition, identical for both playback and capture 1127 */ 1128 static const struct snd_pcm_hardware snd_via82xx_hw = 1129 { 1130 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1131 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1132 SNDRV_PCM_INFO_MMAP_VALID | 1133 /* SNDRV_PCM_INFO_RESUME | */ 1134 SNDRV_PCM_INFO_PAUSE), 1135 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1136 .rates = SNDRV_PCM_RATE_48000, 1137 .rate_min = 48000, 1138 .rate_max = 48000, 1139 .channels_min = 1, 1140 .channels_max = 2, 1141 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1142 .period_bytes_min = 32, 1143 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1144 .periods_min = 2, 1145 .periods_max = VIA_TABLE_SIZE / 2, 1146 .fifo_size = 0, 1147 }; 1148 1149 1150 /* 1151 * open callback skeleton 1152 */ 1153 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1154 struct snd_pcm_substream *substream) 1155 { 1156 struct snd_pcm_runtime *runtime = substream->runtime; 1157 int err; 1158 struct via_rate_lock *ratep; 1159 bool use_src = false; 1160 1161 runtime->hw = snd_via82xx_hw; 1162 1163 /* set the hw rate condition */ 1164 ratep = &chip->rates[viadev->direction]; 1165 scoped_guard(spinlock_irq, &ratep->lock) { 1166 ratep->used++; 1167 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1168 /* DXS#3 and spdif is on */ 1169 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1170 snd_pcm_limit_hw_rates(runtime); 1171 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1172 /* fixed DXS playback rate */ 1173 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1174 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1175 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1176 /* use full SRC capabilities of DXS */ 1177 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1178 SNDRV_PCM_RATE_8000_48000); 1179 runtime->hw.rate_min = 8000; 1180 runtime->hw.rate_max = 48000; 1181 use_src = true; 1182 } else if (!ratep->rate) { 1183 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1184 runtime->hw.rates = chip->ac97->rates[idx]; 1185 snd_pcm_limit_hw_rates(runtime); 1186 } else { 1187 /* a fixed rate */ 1188 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1189 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1190 } 1191 } 1192 1193 /* we may remove following constaint when we modify table entries 1194 in interrupt */ 1195 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 1196 if (err < 0) 1197 return err; 1198 1199 if (use_src) { 1200 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1201 if (err < 0) 1202 return err; 1203 } 1204 1205 runtime->private_data = viadev; 1206 viadev->substream = substream; 1207 1208 return 0; 1209 } 1210 1211 1212 /* 1213 * open callback for playback on via686 1214 */ 1215 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1216 { 1217 struct via82xx *chip = snd_pcm_substream_chip(substream); 1218 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1219 int err; 1220 1221 err = snd_via82xx_pcm_open(chip, viadev, substream); 1222 if (err < 0) 1223 return err; 1224 return 0; 1225 } 1226 1227 /* 1228 * open callback for playback on via823x DXS 1229 */ 1230 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1231 { 1232 struct via82xx *chip = snd_pcm_substream_chip(substream); 1233 struct viadev *viadev; 1234 unsigned int stream; 1235 int err; 1236 1237 viadev = &chip->devs[chip->playback_devno + substream->number]; 1238 err = snd_via82xx_pcm_open(chip, viadev, substream); 1239 if (err < 0) 1240 return err; 1241 stream = viadev->reg_offset / 0x10; 1242 if (chip->dxs_controls[stream]) { 1243 chip->playback_volume[stream][0] = 1244 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1245 chip->playback_volume[stream][1] = 1246 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1247 chip->dxs_controls[stream]->vd[0].access &= 1248 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1249 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1250 SNDRV_CTL_EVENT_MASK_INFO, 1251 &chip->dxs_controls[stream]->id); 1252 } 1253 return 0; 1254 } 1255 1256 /* 1257 * open callback for playback on via823x multi-channel 1258 */ 1259 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1260 { 1261 struct via82xx *chip = snd_pcm_substream_chip(substream); 1262 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1263 int err; 1264 /* channels constraint for VIA8233A 1265 * 3 and 5 channels are not supported 1266 */ 1267 static const unsigned int channels[] = { 1268 1, 2, 4, 6 1269 }; 1270 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1271 .count = ARRAY_SIZE(channels), 1272 .list = channels, 1273 .mask = 0, 1274 }; 1275 1276 err = snd_via82xx_pcm_open(chip, viadev, substream); 1277 if (err < 0) 1278 return err; 1279 substream->runtime->hw.channels_max = 6; 1280 if (chip->revision == VIA_REV_8233A) 1281 snd_pcm_hw_constraint_list(substream->runtime, 0, 1282 SNDRV_PCM_HW_PARAM_CHANNELS, 1283 &hw_constraints_channels); 1284 return 0; 1285 } 1286 1287 /* 1288 * open callback for capture on via686 and via823x 1289 */ 1290 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1291 { 1292 struct via82xx *chip = snd_pcm_substream_chip(substream); 1293 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1294 1295 return snd_via82xx_pcm_open(chip, viadev, substream); 1296 } 1297 1298 /* 1299 * close callback 1300 */ 1301 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1302 { 1303 struct via82xx *chip = snd_pcm_substream_chip(substream); 1304 struct viadev *viadev = substream->runtime->private_data; 1305 struct via_rate_lock *ratep; 1306 1307 /* release the rate lock */ 1308 ratep = &chip->rates[viadev->direction]; 1309 scoped_guard(spinlock_irq, &ratep->lock) { 1310 ratep->used--; 1311 if (!ratep->used) 1312 ratep->rate = 0; 1313 } 1314 if (! ratep->rate) { 1315 if (! viadev->direction) { 1316 snd_ac97_update_power(chip->ac97, 1317 AC97_PCM_FRONT_DAC_RATE, 0); 1318 snd_ac97_update_power(chip->ac97, 1319 AC97_PCM_SURR_DAC_RATE, 0); 1320 snd_ac97_update_power(chip->ac97, 1321 AC97_PCM_LFE_DAC_RATE, 0); 1322 } else 1323 snd_ac97_update_power(chip->ac97, 1324 AC97_PCM_LR_ADC_RATE, 0); 1325 } 1326 viadev->substream = NULL; 1327 return 0; 1328 } 1329 1330 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1331 { 1332 struct via82xx *chip = snd_pcm_substream_chip(substream); 1333 struct viadev *viadev = substream->runtime->private_data; 1334 unsigned int stream; 1335 1336 stream = viadev->reg_offset / 0x10; 1337 if (chip->dxs_controls[stream]) { 1338 chip->dxs_controls[stream]->vd[0].access |= 1339 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1340 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1341 &chip->dxs_controls[stream]->id); 1342 } 1343 return snd_via82xx_pcm_close(substream); 1344 } 1345 1346 1347 /* via686 playback callbacks */ 1348 static const struct snd_pcm_ops snd_via686_playback_ops = { 1349 .open = snd_via686_playback_open, 1350 .close = snd_via82xx_pcm_close, 1351 .hw_params = snd_via82xx_hw_params, 1352 .hw_free = snd_via82xx_hw_free, 1353 .prepare = snd_via686_playback_prepare, 1354 .trigger = snd_via82xx_pcm_trigger, 1355 .pointer = snd_via686_pcm_pointer, 1356 }; 1357 1358 /* via686 capture callbacks */ 1359 static const struct snd_pcm_ops snd_via686_capture_ops = { 1360 .open = snd_via82xx_capture_open, 1361 .close = snd_via82xx_pcm_close, 1362 .hw_params = snd_via82xx_hw_params, 1363 .hw_free = snd_via82xx_hw_free, 1364 .prepare = snd_via686_capture_prepare, 1365 .trigger = snd_via82xx_pcm_trigger, 1366 .pointer = snd_via686_pcm_pointer, 1367 }; 1368 1369 /* via823x DSX playback callbacks */ 1370 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1371 .open = snd_via8233_playback_open, 1372 .close = snd_via8233_playback_close, 1373 .hw_params = snd_via82xx_hw_params, 1374 .hw_free = snd_via82xx_hw_free, 1375 .prepare = snd_via8233_playback_prepare, 1376 .trigger = snd_via82xx_pcm_trigger, 1377 .pointer = snd_via8233_pcm_pointer, 1378 }; 1379 1380 /* via823x multi-channel playback callbacks */ 1381 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1382 .open = snd_via8233_multi_open, 1383 .close = snd_via82xx_pcm_close, 1384 .hw_params = snd_via82xx_hw_params, 1385 .hw_free = snd_via82xx_hw_free, 1386 .prepare = snd_via8233_multi_prepare, 1387 .trigger = snd_via82xx_pcm_trigger, 1388 .pointer = snd_via8233_pcm_pointer, 1389 }; 1390 1391 /* via823x capture callbacks */ 1392 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1393 .open = snd_via82xx_capture_open, 1394 .close = snd_via82xx_pcm_close, 1395 .hw_params = snd_via82xx_hw_params, 1396 .hw_free = snd_via82xx_hw_free, 1397 .prepare = snd_via8233_capture_prepare, 1398 .trigger = snd_via82xx_pcm_trigger, 1399 .pointer = snd_via8233_pcm_pointer, 1400 }; 1401 1402 1403 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1404 int shadow_pos, int direction) 1405 { 1406 chip->devs[idx].reg_offset = reg_offset; 1407 chip->devs[idx].shadow_shift = shadow_pos * 4; 1408 chip->devs[idx].direction = direction; 1409 chip->devs[idx].port = chip->port + reg_offset; 1410 } 1411 1412 /* 1413 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1414 */ 1415 static int snd_via8233_pcm_new(struct via82xx *chip) 1416 { 1417 struct snd_pcm *pcm; 1418 struct snd_pcm_chmap *chmap; 1419 int i, err; 1420 1421 chip->playback_devno = 0; /* x 4 */ 1422 chip->multi_devno = 4; /* x 1 */ 1423 chip->capture_devno = 5; /* x 2 */ 1424 chip->num_devs = 7; 1425 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1426 1427 /* PCM #0: 4 DSX playbacks and 1 capture */ 1428 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1429 if (err < 0) 1430 return err; 1431 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1432 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1433 pcm->private_data = chip; 1434 strscpy(pcm->name, chip->card->shortname); 1435 chip->pcms[0] = pcm; 1436 /* set up playbacks */ 1437 for (i = 0; i < 4; i++) 1438 init_viadev(chip, i, 0x10 * i, i, 0); 1439 /* capture */ 1440 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1441 1442 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1443 &chip->pci->dev, 1444 64*1024, VIA_MAX_BUFSIZE); 1445 1446 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1447 snd_pcm_std_chmaps, 2, 0, 1448 &chmap); 1449 if (err < 0) 1450 return err; 1451 1452 /* PCM #1: multi-channel playback and 2nd capture */ 1453 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1454 if (err < 0) 1455 return err; 1456 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1457 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1458 pcm->private_data = chip; 1459 strscpy(pcm->name, chip->card->shortname); 1460 chip->pcms[1] = pcm; 1461 /* set up playback */ 1462 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1463 /* set up capture */ 1464 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1465 1466 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1467 &chip->pci->dev, 1468 64*1024, VIA_MAX_BUFSIZE); 1469 1470 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1471 snd_pcm_alt_chmaps, 6, 0, 1472 &chmap); 1473 if (err < 0) 1474 return err; 1475 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1476 1477 return 0; 1478 } 1479 1480 /* 1481 * create pcm instances for VIA8233A 1482 */ 1483 static int snd_via8233a_pcm_new(struct via82xx *chip) 1484 { 1485 struct snd_pcm *pcm; 1486 struct snd_pcm_chmap *chmap; 1487 int err; 1488 1489 chip->multi_devno = 0; 1490 chip->playback_devno = 1; 1491 chip->capture_devno = 2; 1492 chip->num_devs = 3; 1493 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1494 1495 /* PCM #0: multi-channel playback and capture */ 1496 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1497 if (err < 0) 1498 return err; 1499 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1500 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1501 pcm->private_data = chip; 1502 strscpy(pcm->name, chip->card->shortname); 1503 chip->pcms[0] = pcm; 1504 /* set up playback */ 1505 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1506 /* capture */ 1507 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1508 1509 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1510 &chip->pci->dev, 1511 64*1024, VIA_MAX_BUFSIZE); 1512 1513 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1514 snd_pcm_alt_chmaps, 6, 0, 1515 &chmap); 1516 if (err < 0) 1517 return err; 1518 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1519 1520 /* SPDIF supported? */ 1521 if (! ac97_can_spdif(chip->ac97)) 1522 return 0; 1523 1524 /* PCM #1: DXS3 playback (for spdif) */ 1525 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1526 if (err < 0) 1527 return err; 1528 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1529 pcm->private_data = chip; 1530 strscpy(pcm->name, chip->card->shortname); 1531 chip->pcms[1] = pcm; 1532 /* set up playback */ 1533 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1534 1535 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1536 &chip->pci->dev, 1537 64*1024, VIA_MAX_BUFSIZE); 1538 return 0; 1539 } 1540 1541 /* 1542 * create a pcm instance for via686a/b 1543 */ 1544 static int snd_via686_pcm_new(struct via82xx *chip) 1545 { 1546 struct snd_pcm *pcm; 1547 int err; 1548 1549 chip->playback_devno = 0; 1550 chip->capture_devno = 1; 1551 chip->num_devs = 2; 1552 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1553 1554 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1555 if (err < 0) 1556 return err; 1557 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1558 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1559 pcm->private_data = chip; 1560 strscpy(pcm->name, chip->card->shortname); 1561 chip->pcms[0] = pcm; 1562 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1563 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1564 1565 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1566 &chip->pci->dev, 1567 64*1024, VIA_MAX_BUFSIZE); 1568 return 0; 1569 } 1570 1571 1572 /* 1573 * Mixer part 1574 */ 1575 1576 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1577 struct snd_ctl_elem_info *uinfo) 1578 { 1579 /* formerly they were "Line" and "Mic", but it looks like that they 1580 * have nothing to do with the actual physical connections... 1581 */ 1582 static const char * const texts[2] = { 1583 "Input1", "Input2" 1584 }; 1585 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1586 } 1587 1588 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1589 struct snd_ctl_elem_value *ucontrol) 1590 { 1591 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1592 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1593 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1594 return 0; 1595 } 1596 1597 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1598 struct snd_ctl_elem_value *ucontrol) 1599 { 1600 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1601 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1602 u8 val, oval; 1603 1604 guard(spinlock_irq)(&chip->reg_lock); 1605 oval = inb(port); 1606 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1607 if (ucontrol->value.enumerated.item[0]) 1608 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1609 if (val != oval) 1610 outb(val, port); 1611 return val != oval; 1612 } 1613 1614 static struct snd_kcontrol_new snd_via8233_capture_source = { 1615 .name = "Input Source Select", 1616 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1617 .info = snd_via8233_capture_source_info, 1618 .get = snd_via8233_capture_source_get, 1619 .put = snd_via8233_capture_source_put, 1620 }; 1621 1622 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1623 1624 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1625 struct snd_ctl_elem_value *ucontrol) 1626 { 1627 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1628 u8 val; 1629 1630 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1631 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1632 return 0; 1633 } 1634 1635 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1636 struct snd_ctl_elem_value *ucontrol) 1637 { 1638 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1639 u8 val, oval; 1640 1641 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1642 val = oval & ~VIA8233_SPDIF_DX3; 1643 if (ucontrol->value.integer.value[0]) 1644 val |= VIA8233_SPDIF_DX3; 1645 /* save the spdif flag for rate filtering */ 1646 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1647 if (val != oval) { 1648 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1649 return 1; 1650 } 1651 return 0; 1652 } 1653 1654 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1655 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1656 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1657 .info = snd_via8233_dxs3_spdif_info, 1658 .get = snd_via8233_dxs3_spdif_get, 1659 .put = snd_via8233_dxs3_spdif_put, 1660 }; 1661 1662 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1663 struct snd_ctl_elem_info *uinfo) 1664 { 1665 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1666 uinfo->count = 2; 1667 uinfo->value.integer.min = 0; 1668 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1669 return 0; 1670 } 1671 1672 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1673 struct snd_ctl_elem_value *ucontrol) 1674 { 1675 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1676 unsigned int idx = kcontrol->id.subdevice; 1677 1678 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1679 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1680 return 0; 1681 } 1682 1683 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1684 struct snd_ctl_elem_value *ucontrol) 1685 { 1686 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1687 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1688 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1689 return 0; 1690 } 1691 1692 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1693 struct snd_ctl_elem_value *ucontrol) 1694 { 1695 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1696 unsigned int idx = kcontrol->id.subdevice; 1697 unsigned long port = chip->port + 0x10 * idx; 1698 unsigned char val; 1699 int i, change = 0; 1700 1701 for (i = 0; i < 2; i++) { 1702 val = ucontrol->value.integer.value[i]; 1703 if (val > VIA_DXS_MAX_VOLUME) 1704 val = VIA_DXS_MAX_VOLUME; 1705 val = VIA_DXS_MAX_VOLUME - val; 1706 change |= val != chip->playback_volume[idx][i]; 1707 if (change) { 1708 chip->playback_volume[idx][i] = val; 1709 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1710 } 1711 } 1712 return change; 1713 } 1714 1715 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1716 struct snd_ctl_elem_value *ucontrol) 1717 { 1718 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1719 unsigned int idx; 1720 unsigned char val; 1721 int i, change = 0; 1722 1723 for (i = 0; i < 2; i++) { 1724 val = ucontrol->value.integer.value[i]; 1725 if (val > VIA_DXS_MAX_VOLUME) 1726 val = VIA_DXS_MAX_VOLUME; 1727 val = VIA_DXS_MAX_VOLUME - val; 1728 if (val != chip->playback_volume_c[i]) { 1729 change = 1; 1730 chip->playback_volume_c[i] = val; 1731 for (idx = 0; idx < 4; idx++) { 1732 unsigned long port = chip->port + 0x10 * idx; 1733 chip->playback_volume[idx][i] = val; 1734 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1735 } 1736 } 1737 } 1738 return change; 1739 } 1740 1741 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1742 1743 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1744 .name = "PCM Playback Volume", 1745 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1746 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1747 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1748 .info = snd_via8233_dxs_volume_info, 1749 .get = snd_via8233_pcmdxs_volume_get, 1750 .put = snd_via8233_pcmdxs_volume_put, 1751 .tlv = { .p = db_scale_dxs } 1752 }; 1753 1754 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1755 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1756 .device = 0, 1757 /* .subdevice set later */ 1758 .name = "PCM Playback Volume", 1759 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1760 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1761 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1762 .info = snd_via8233_dxs_volume_info, 1763 .get = snd_via8233_dxs_volume_get, 1764 .put = snd_via8233_dxs_volume_put, 1765 .tlv = { .p = db_scale_dxs } 1766 }; 1767 1768 /* 1769 */ 1770 1771 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1772 { 1773 struct via82xx *chip = bus->private_data; 1774 chip->ac97_bus = NULL; 1775 } 1776 1777 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1778 { 1779 struct via82xx *chip = ac97->private_data; 1780 chip->ac97 = NULL; 1781 } 1782 1783 static const struct ac97_quirk ac97_quirks[] = { 1784 { 1785 .subvendor = 0x1106, 1786 .subdevice = 0x4161, 1787 .codec_id = 0x56494161, /* VT1612A */ 1788 .name = "Soltek SL-75DRV5", 1789 .type = AC97_TUNE_NONE 1790 }, 1791 { /* FIXME: which codec? */ 1792 .subvendor = 0x1106, 1793 .subdevice = 0x4161, 1794 .name = "ASRock K7VT2", 1795 .type = AC97_TUNE_HP_ONLY 1796 }, 1797 { 1798 .subvendor = 0x110a, 1799 .subdevice = 0x0079, 1800 .name = "Fujitsu Siemens D1289", 1801 .type = AC97_TUNE_HP_ONLY 1802 }, 1803 { 1804 .subvendor = 0x1019, 1805 .subdevice = 0x0a81, 1806 .name = "ECS K7VTA3", 1807 .type = AC97_TUNE_HP_ONLY 1808 }, 1809 { 1810 .subvendor = 0x1019, 1811 .subdevice = 0x0a85, 1812 .name = "ECS L7VMM2", 1813 .type = AC97_TUNE_HP_ONLY 1814 }, 1815 { 1816 .subvendor = 0x1019, 1817 .subdevice = 0x1841, 1818 .name = "ECS K7VTA3", 1819 .type = AC97_TUNE_HP_ONLY 1820 }, 1821 { 1822 .subvendor = 0x1849, 1823 .subdevice = 0x3059, 1824 .name = "ASRock K7VM2", 1825 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1826 }, 1827 { 1828 .subvendor = 0x14cd, 1829 .subdevice = 0x7002, 1830 .name = "Unknown", 1831 .type = AC97_TUNE_ALC_JACK 1832 }, 1833 { 1834 .subvendor = 0x1071, 1835 .subdevice = 0x8590, 1836 .name = "Mitac Mobo", 1837 .type = AC97_TUNE_ALC_JACK 1838 }, 1839 { 1840 .subvendor = 0x161f, 1841 .subdevice = 0x202b, 1842 .name = "Arima Notebook", 1843 .type = AC97_TUNE_HP_ONLY, 1844 }, 1845 { 1846 .subvendor = 0x161f, 1847 .subdevice = 0x2032, 1848 .name = "Targa Traveller 811", 1849 .type = AC97_TUNE_HP_ONLY, 1850 }, 1851 { 1852 .subvendor = 0x161f, 1853 .subdevice = 0x2032, 1854 .name = "m680x", 1855 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1856 }, 1857 { 1858 .subvendor = 0x1297, 1859 .subdevice = 0xa232, 1860 .name = "Shuttle AK32VN", 1861 .type = AC97_TUNE_HP_ONLY 1862 }, 1863 { } /* terminator */ 1864 }; 1865 1866 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1867 { 1868 struct snd_ac97_template ac97; 1869 int err; 1870 static const struct snd_ac97_bus_ops ops = { 1871 .write = snd_via82xx_codec_write, 1872 .read = snd_via82xx_codec_read, 1873 .wait = snd_via82xx_codec_wait, 1874 }; 1875 1876 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); 1877 if (err < 0) 1878 return err; 1879 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1880 chip->ac97_bus->clock = chip->ac97_clock; 1881 1882 memset(&ac97, 0, sizeof(ac97)); 1883 ac97.private_data = chip; 1884 ac97.private_free = snd_via82xx_mixer_free_ac97; 1885 ac97.pci = chip->pci; 1886 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1887 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); 1888 if (err < 0) 1889 return err; 1890 1891 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1892 1893 if (chip->chip_type != TYPE_VIA686) { 1894 /* use slot 10/11 */ 1895 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1896 } 1897 1898 return 0; 1899 } 1900 1901 #ifdef SUPPORT_JOYSTICK 1902 #define JOYSTICK_ADDR 0x200 1903 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1904 { 1905 struct gameport *gp; 1906 1907 if (!joystick) 1908 return -ENODEV; 1909 1910 if (!devm_request_region(chip->card->dev, JOYSTICK_ADDR, 8, 1911 "VIA686 gameport")) { 1912 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1913 JOYSTICK_ADDR); 1914 return -EBUSY; 1915 } 1916 1917 chip->gameport = gp = gameport_allocate_port(); 1918 if (!gp) { 1919 dev_err(chip->card->dev, 1920 "cannot allocate memory for gameport\n"); 1921 return -ENOMEM; 1922 } 1923 1924 gameport_set_name(gp, "VIA686 Gameport"); 1925 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1926 gameport_set_dev_parent(gp, &chip->pci->dev); 1927 gp->io = JOYSTICK_ADDR; 1928 1929 /* Enable legacy joystick port */ 1930 *legacy |= VIA_FUNC_ENABLE_GAME; 1931 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1932 1933 gameport_register_port(chip->gameport); 1934 1935 return 0; 1936 } 1937 1938 static void snd_via686_free_gameport(struct via82xx *chip) 1939 { 1940 if (chip->gameport) { 1941 gameport_unregister_port(chip->gameport); 1942 chip->gameport = NULL; 1943 } 1944 } 1945 #else 1946 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1947 { 1948 return -ENOSYS; 1949 } 1950 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1951 #endif 1952 1953 1954 /* 1955 * 1956 */ 1957 1958 static int snd_via8233_init_misc(struct via82xx *chip) 1959 { 1960 int i, err, caps; 1961 unsigned char val; 1962 1963 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1964 for (i = 0; i < caps; i++) { 1965 snd_via8233_capture_source.index = i; 1966 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1967 if (err < 0) 1968 return err; 1969 } 1970 if (ac97_can_spdif(chip->ac97)) { 1971 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1972 if (err < 0) 1973 return err; 1974 } 1975 if (chip->chip_type != TYPE_VIA8233A) { 1976 /* when no h/w PCM volume control is found, use DXS volume control 1977 * as the PCM vol control 1978 */ 1979 if (!snd_ctl_find_id_mixer(chip->card, "PCM Playback Volume")) { 1980 dev_info(chip->card->dev, 1981 "Using DXS as PCM Playback\n"); 1982 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1983 if (err < 0) 1984 return err; 1985 } 1986 else /* Using DXS when PCM emulation is enabled is really weird */ 1987 { 1988 for (i = 0; i < 4; ++i) { 1989 struct snd_kcontrol *kctl; 1990 1991 kctl = snd_ctl_new1( 1992 &snd_via8233_dxs_volume_control, chip); 1993 if (!kctl) 1994 return -ENOMEM; 1995 kctl->id.subdevice = i; 1996 err = snd_ctl_add(chip->card, kctl); 1997 if (err < 0) 1998 return err; 1999 chip->dxs_controls[i] = kctl; 2000 } 2001 } 2002 } 2003 /* select spdif data slot 10/11 */ 2004 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2005 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2006 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2007 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2008 2009 return 0; 2010 } 2011 2012 static int snd_via686_init_misc(struct via82xx *chip) 2013 { 2014 unsigned char legacy, legacy_cfg; 2015 int rev_h = 0; 2016 2017 legacy = chip->old_legacy; 2018 legacy_cfg = chip->old_legacy_cfg; 2019 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2020 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2021 if (chip->revision >= VIA_REV_686_H) { 2022 rev_h = 1; 2023 if (mpu_port >= 0x200) { /* force MIDI */ 2024 mpu_port &= 0xfffc; 2025 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2026 chip->mpu_port_saved = mpu_port; 2027 } else { 2028 mpu_port = pci_resource_start(chip->pci, 2); 2029 } 2030 } else { 2031 switch (mpu_port) { /* force MIDI */ 2032 case 0x300: 2033 case 0x310: 2034 case 0x320: 2035 case 0x330: 2036 legacy_cfg &= ~(3 << 2); 2037 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2038 break; 2039 default: /* no, use BIOS settings */ 2040 if (legacy & VIA_FUNC_ENABLE_MIDI) 2041 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2042 break; 2043 } 2044 } 2045 if (mpu_port >= 0x200) 2046 chip->mpu_res = devm_request_region(&chip->pci->dev, mpu_port, 2047 2, "VIA82xx MPU401"); 2048 if (chip->mpu_res) { 2049 if (rev_h) 2050 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2051 legacy |= VIA_FUNC_ENABLE_MIDI; 2052 } else { 2053 if (rev_h) 2054 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2055 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2056 mpu_port = 0; 2057 } 2058 2059 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2060 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2061 if (chip->mpu_res) { 2062 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2063 mpu_port, MPU401_INFO_INTEGRATED | 2064 MPU401_INFO_IRQ_HOOK, -1, 2065 &chip->rmidi) < 0) { 2066 dev_warn(chip->card->dev, 2067 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2068 mpu_port); 2069 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2070 } else { 2071 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2072 } 2073 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2074 } 2075 2076 snd_via686_create_gameport(chip, &legacy); 2077 2078 chip->legacy_saved = legacy; 2079 chip->legacy_cfg_saved = legacy_cfg; 2080 2081 return 0; 2082 } 2083 2084 2085 /* 2086 * proc interface 2087 */ 2088 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2089 struct snd_info_buffer *buffer) 2090 { 2091 struct via82xx *chip = entry->private_data; 2092 int i; 2093 2094 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2095 for (i = 0; i < 0xa0; i += 4) { 2096 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2097 } 2098 } 2099 2100 static void snd_via82xx_proc_init(struct via82xx *chip) 2101 { 2102 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2103 snd_via82xx_proc_read); 2104 } 2105 2106 /* 2107 * 2108 */ 2109 2110 static int snd_via82xx_chip_init(struct via82xx *chip) 2111 { 2112 unsigned int val; 2113 unsigned long end_time; 2114 unsigned char pval; 2115 2116 #if 0 /* broken on K7M? */ 2117 if (chip->chip_type == TYPE_VIA686) 2118 /* disable all legacy ports */ 2119 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2120 #endif 2121 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2122 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2123 /* deassert ACLink reset, force SYNC */ 2124 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2125 VIA_ACLINK_CTRL_ENABLE | 2126 VIA_ACLINK_CTRL_RESET | 2127 VIA_ACLINK_CTRL_SYNC); 2128 udelay(100); 2129 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2130 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2131 udelay(100); 2132 #else 2133 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2134 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2135 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2136 udelay(2); 2137 #endif 2138 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2139 /* note - FM data out has trouble with non VRA codecs !! */ 2140 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2141 udelay(100); 2142 } 2143 2144 /* Make sure VRA is enabled, in case we didn't do a 2145 * complete codec reset, above */ 2146 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2147 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2148 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2149 /* note - FM data out has trouble with non VRA codecs !! */ 2150 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2151 udelay(100); 2152 } 2153 2154 /* wait until codec ready */ 2155 end_time = jiffies + msecs_to_jiffies(750); 2156 do { 2157 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2158 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2159 break; 2160 schedule_timeout_uninterruptible(1); 2161 } while (time_before(jiffies, end_time)); 2162 2163 val = snd_via82xx_codec_xread(chip); 2164 if (val & VIA_REG_AC97_BUSY) 2165 dev_err(chip->card->dev, 2166 "AC'97 codec is not ready [0x%x]\n", val); 2167 2168 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2169 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2170 VIA_REG_AC97_SECONDARY_VALID | 2171 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2172 end_time = jiffies + msecs_to_jiffies(750); 2173 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2174 VIA_REG_AC97_SECONDARY_VALID | 2175 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2176 do { 2177 val = snd_via82xx_codec_xread(chip); 2178 if (val & VIA_REG_AC97_SECONDARY_VALID) { 2179 chip->ac97_secondary = 1; 2180 goto __ac97_ok2; 2181 } 2182 schedule_timeout_uninterruptible(1); 2183 } while (time_before(jiffies, end_time)); 2184 /* This is ok, the most of motherboards have only one codec */ 2185 2186 __ac97_ok2: 2187 #endif 2188 2189 if (chip->chip_type == TYPE_VIA686) { 2190 /* route FM trap to IRQ, disable FM trap */ 2191 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2192 /* disable all GPI interrupts */ 2193 outl(0, VIAREG(chip, GPI_INTR)); 2194 } 2195 2196 if (chip->chip_type != TYPE_VIA686) { 2197 /* Workaround for Award BIOS bug: 2198 * DXS channels don't work properly with VRA if MC97 is disabled. 2199 */ 2200 struct pci_dev *pci; 2201 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2202 if (pci) { 2203 unsigned char data; 2204 pci_read_config_byte(pci, 0x44, &data); 2205 pci_write_config_byte(pci, 0x44, data | 0x40); 2206 pci_dev_put(pci); 2207 } 2208 } 2209 2210 if (chip->chip_type != TYPE_VIA8233A) { 2211 int i, idx; 2212 for (idx = 0; idx < 4; idx++) { 2213 unsigned long port = chip->port + 0x10 * idx; 2214 for (i = 0; i < 2; i++) { 2215 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2216 outb(chip->playback_volume_c[i], 2217 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2218 } 2219 } 2220 } 2221 2222 return 0; 2223 } 2224 2225 /* 2226 * power management 2227 */ 2228 static int snd_via82xx_suspend(struct device *dev) 2229 { 2230 struct snd_card *card = dev_get_drvdata(dev); 2231 struct via82xx *chip = card->private_data; 2232 int i; 2233 2234 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2235 for (i = 0; i < chip->num_devs; i++) 2236 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2237 snd_ac97_suspend(chip->ac97); 2238 2239 /* save misc values */ 2240 if (chip->chip_type != TYPE_VIA686) { 2241 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2242 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2243 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2244 } 2245 2246 return 0; 2247 } 2248 2249 static int snd_via82xx_resume(struct device *dev) 2250 { 2251 struct snd_card *card = dev_get_drvdata(dev); 2252 struct via82xx *chip = card->private_data; 2253 int i; 2254 2255 snd_via82xx_chip_init(chip); 2256 2257 if (chip->chip_type == TYPE_VIA686) { 2258 if (chip->mpu_port_saved) 2259 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2260 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2261 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2262 } else { 2263 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2264 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2265 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2266 } 2267 2268 snd_ac97_resume(chip->ac97); 2269 2270 for (i = 0; i < chip->num_devs; i++) 2271 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2272 2273 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2274 return 0; 2275 } 2276 2277 static DEFINE_SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2278 2279 static void snd_via82xx_free(struct snd_card *card) 2280 { 2281 struct via82xx *chip = card->private_data; 2282 unsigned int i; 2283 2284 /* disable interrupts */ 2285 for (i = 0; i < chip->num_devs; i++) 2286 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2287 2288 if (chip->chip_type == TYPE_VIA686) { 2289 snd_via686_free_gameport(chip); 2290 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2291 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2292 } 2293 } 2294 2295 static int snd_via82xx_create(struct snd_card *card, 2296 struct pci_dev *pci, 2297 int chip_type, 2298 int revision, 2299 unsigned int ac97_clock) 2300 { 2301 struct via82xx *chip = card->private_data; 2302 int err; 2303 2304 err = pcim_enable_device(pci); 2305 if (err < 0) 2306 return err; 2307 2308 chip->chip_type = chip_type; 2309 chip->revision = revision; 2310 2311 spin_lock_init(&chip->reg_lock); 2312 spin_lock_init(&chip->rates[0].lock); 2313 spin_lock_init(&chip->rates[1].lock); 2314 chip->card = card; 2315 chip->pci = pci; 2316 chip->irq = -1; 2317 2318 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2319 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2320 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2321 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2322 2323 err = pcim_request_all_regions(pci, card->driver); 2324 if (err < 0) 2325 return err; 2326 chip->port = pci_resource_start(pci, 0); 2327 if (devm_request_irq(&pci->dev, pci->irq, 2328 chip_type == TYPE_VIA8233 ? 2329 snd_via8233_interrupt : snd_via686_interrupt, 2330 IRQF_SHARED, 2331 KBUILD_MODNAME, chip)) { 2332 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2333 return -EBUSY; 2334 } 2335 chip->irq = pci->irq; 2336 card->sync_irq = chip->irq; 2337 card->private_free = snd_via82xx_free; 2338 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2339 chip->ac97_clock = ac97_clock; 2340 2341 err = snd_via82xx_chip_init(chip); 2342 if (err < 0) 2343 return err; 2344 2345 /* The 8233 ac97 controller does not implement the master bit 2346 * in the pci command register. IMHO this is a violation of the PCI spec. 2347 * We call pci_set_master here because it does not hurt. */ 2348 pci_set_master(pci); 2349 return 0; 2350 } 2351 2352 struct via823x_info { 2353 int revision; 2354 char *name; 2355 int type; 2356 }; 2357 static const struct via823x_info via823x_cards[] = { 2358 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2359 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2360 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2361 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2362 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2363 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2364 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2365 }; 2366 2367 /* 2368 * auto detection of DXS channel supports. 2369 */ 2370 2371 static const struct snd_pci_quirk dxs_allowlist[] = { 2372 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2373 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2374 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2375 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2376 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2377 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2378 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2379 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2380 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2381 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2382 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2383 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2384 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2385 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2386 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2387 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2388 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2389 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2390 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2391 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2392 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2393 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2394 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2395 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2396 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2397 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2398 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2399 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2400 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2401 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2402 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2403 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2404 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2405 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2406 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2407 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2408 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2409 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2410 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2411 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2412 { } /* terminator */ 2413 }; 2414 2415 static int check_dxs_list(struct pci_dev *pci, int revision) 2416 { 2417 const struct snd_pci_quirk *w; 2418 2419 w = snd_pci_quirk_lookup(pci, dxs_allowlist); 2420 if (w) { 2421 dev_dbg(&pci->dev, "DXS allow list for %s found\n", 2422 snd_pci_quirk_name(w)); 2423 return w->value; 2424 } 2425 2426 /* for newer revision, default to DXS_SRC */ 2427 if (revision >= VIA_REV_8235) 2428 return VIA_DXS_SRC; 2429 2430 /* 2431 * not detected, try 48k rate only to be sure. 2432 */ 2433 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2434 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2435 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2436 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2437 return VIA_DXS_48K; 2438 }; 2439 2440 static int __snd_via82xx_probe(struct pci_dev *pci, 2441 const struct pci_device_id *pci_id) 2442 { 2443 struct snd_card *card; 2444 struct via82xx *chip; 2445 int chip_type = 0, card_type; 2446 unsigned int i; 2447 int err; 2448 2449 err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE, 2450 sizeof(*chip), &card); 2451 if (err < 0) 2452 return err; 2453 chip = card->private_data; 2454 2455 card_type = pci_id->driver_data; 2456 switch (card_type) { 2457 case TYPE_CARD_VIA686: 2458 strscpy(card->driver, "VIA686A"); 2459 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2460 chip_type = TYPE_VIA686; 2461 break; 2462 case TYPE_CARD_VIA8233: 2463 chip_type = TYPE_VIA8233; 2464 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2465 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2466 if (pci->revision == via823x_cards[i].revision) { 2467 chip_type = via823x_cards[i].type; 2468 strscpy(card->shortname, via823x_cards[i].name); 2469 break; 2470 } 2471 } 2472 if (chip_type != TYPE_VIA8233A) { 2473 if (dxs_support == VIA_DXS_AUTO) 2474 dxs_support = check_dxs_list(pci, pci->revision); 2475 /* force to use VIA8233 or 8233A model according to 2476 * dxs_support module option 2477 */ 2478 if (dxs_support == VIA_DXS_DISABLE) 2479 chip_type = TYPE_VIA8233A; 2480 else 2481 chip_type = TYPE_VIA8233; 2482 } 2483 if (chip_type == TYPE_VIA8233A) 2484 strscpy(card->driver, "VIA8233A"); 2485 else if (pci->revision >= VIA_REV_8237) 2486 strscpy(card->driver, "VIA8237"); /* no slog assignment */ 2487 else 2488 strscpy(card->driver, "VIA8233"); 2489 break; 2490 default: 2491 dev_err(card->dev, "invalid card type %d\n", card_type); 2492 return -EINVAL; 2493 } 2494 2495 err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2496 ac97_clock); 2497 if (err < 0) 2498 return err; 2499 err = snd_via82xx_mixer_new(chip, ac97_quirk); 2500 if (err < 0) 2501 return err; 2502 2503 if (chip_type == TYPE_VIA686) { 2504 err = snd_via686_pcm_new(chip); 2505 if (err < 0) 2506 return err; 2507 err = snd_via686_init_misc(chip); 2508 if (err < 0) 2509 return err; 2510 } else { 2511 if (chip_type == TYPE_VIA8233A) { 2512 err = snd_via8233a_pcm_new(chip); 2513 if (err < 0) 2514 return err; 2515 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2516 } else { 2517 err = snd_via8233_pcm_new(chip); 2518 if (err < 0) 2519 return err; 2520 if (dxs_support == VIA_DXS_48K) 2521 chip->dxs_fixed = 1; 2522 else if (dxs_support == VIA_DXS_NO_VRA) 2523 chip->no_vra = 1; 2524 else if (dxs_support == VIA_DXS_SRC) { 2525 chip->no_vra = 1; 2526 chip->dxs_src = 1; 2527 } 2528 } 2529 err = snd_via8233_init_misc(chip); 2530 if (err < 0) 2531 return err; 2532 } 2533 2534 /* disable interrupts */ 2535 for (i = 0; i < chip->num_devs; i++) 2536 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2537 2538 snprintf(card->longname, sizeof(card->longname), 2539 "%s with %s at %#lx, irq %d", card->shortname, 2540 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2541 2542 snd_via82xx_proc_init(chip); 2543 2544 err = snd_card_register(card); 2545 if (err < 0) 2546 return err; 2547 pci_set_drvdata(pci, card); 2548 return 0; 2549 } 2550 2551 static int snd_via82xx_probe(struct pci_dev *pci, 2552 const struct pci_device_id *pci_id) 2553 { 2554 return snd_card_free_on_error(&pci->dev, __snd_via82xx_probe(pci, pci_id)); 2555 } 2556 2557 static struct pci_driver via82xx_driver = { 2558 .name = KBUILD_MODNAME, 2559 .id_table = snd_via82xx_ids, 2560 .probe = snd_via82xx_probe, 2561 .driver = { 2562 .pm = &snd_via82xx_pm, 2563 }, 2564 }; 2565 2566 module_pci_driver(via82xx_driver); 2567