1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ALSA driver for VIA VT82xx (South Bridge) 4 * 5 * VT82C686A/B/C, VT8233A/C, VT8235 6 * 7 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 8 * Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> 9 * 2002 Takashi Iwai <tiwai@suse.de> 10 */ 11 12 /* 13 * Changes: 14 * 15 * Dec. 19, 2002 Takashi Iwai <tiwai@suse.de> 16 * - use the DSX channels for the first pcm playback. 17 * (on VIA8233, 8233C and 8235 only) 18 * this will allow you play simultaneously up to 4 streams. 19 * multi-channel playback is assigned to the second device 20 * on these chips. 21 * - support the secondary capture (on VIA8233/C,8235) 22 * - SPDIF support 23 * the DSX3 channel can be used for SPDIF output. 24 * on VIA8233A, this channel is assigned to the second pcm 25 * playback. 26 * the card config of alsa-lib will assign the correct 27 * device for applications. 28 * - clean up the code, separate low-level initialization 29 * routines for each chipset. 30 * 31 * Sep. 26, 2005 Karsten Wiese <annabellesgarden@yahoo.de> 32 * - Optimize position calculation for the 823x chips. 33 */ 34 35 #include <linux/io.h> 36 #include <linux/delay.h> 37 #include <linux/interrupt.h> 38 #include <linux/init.h> 39 #include <linux/pci.h> 40 #include <linux/slab.h> 41 #include <linux/gameport.h> 42 #include <linux/module.h> 43 #include <sound/core.h> 44 #include <sound/pcm.h> 45 #include <sound/pcm_params.h> 46 #include <sound/info.h> 47 #include <sound/tlv.h> 48 #include <sound/ac97_codec.h> 49 #include <sound/mpu401.h> 50 #include <sound/initval.h> 51 52 #if 0 53 #define POINTER_DEBUG 54 #endif 55 56 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 57 MODULE_DESCRIPTION("VIA VT82xx audio"); 58 MODULE_LICENSE("GPL"); 59 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 60 61 #if IS_REACHABLE(CONFIG_GAMEPORT) 62 #define SUPPORT_JOYSTICK 1 63 #endif 64 65 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 66 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 67 static long mpu_port; 68 #ifdef SUPPORT_JOYSTICK 69 static bool joystick; 70 #endif 71 static int ac97_clock = 48000; 72 static char *ac97_quirk; 73 static int dxs_support; 74 static int dxs_init_volume = 31; 75 static int nodelay; 76 77 module_param(index, int, 0444); 78 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 79 module_param(id, charp, 0444); 80 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 81 module_param_hw(mpu_port, long, ioport, 0444); 82 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 83 #ifdef SUPPORT_JOYSTICK 84 module_param(joystick, bool, 0444); 85 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 86 #endif 87 module_param(ac97_clock, int, 0444); 88 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 89 module_param(ac97_quirk, charp, 0444); 90 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 91 module_param(dxs_support, int, 0444); 92 MODULE_PARM_DESC(dxs_support, "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3 = 48k only, 4 = no VRA, 5 = enable any sample rate)"); 93 module_param(dxs_init_volume, int, 0644); 94 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 95 module_param(nodelay, int, 0444); 96 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 97 98 /* just for backward compatibility */ 99 static bool enable; 100 module_param(enable, bool, 0444); 101 102 103 /* revision numbers for via686 */ 104 #define VIA_REV_686_A 0x10 105 #define VIA_REV_686_B 0x11 106 #define VIA_REV_686_C 0x12 107 #define VIA_REV_686_D 0x13 108 #define VIA_REV_686_E 0x14 109 #define VIA_REV_686_H 0x20 110 111 /* revision numbers for via8233 */ 112 #define VIA_REV_PRE_8233 0x10 /* not in market */ 113 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 114 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 115 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 116 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 117 #define VIA_REV_8237 0x60 118 #define VIA_REV_8251 0x70 119 120 /* 121 * Direct registers 122 */ 123 124 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 125 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 126 127 /* common offsets */ 128 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 129 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 130 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 131 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 132 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 133 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 134 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 135 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 136 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 137 #define VIA_REG_CTRL_START 0x80 /* WO */ 138 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 139 #define VIA_REG_CTRL_AUTOSTART 0x20 140 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 141 #define VIA_REG_CTRL_INT_STOP 0x04 142 #define VIA_REG_CTRL_INT_EOL 0x02 143 #define VIA_REG_CTRL_INT_FLAG 0x01 144 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 145 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 146 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 147 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 148 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 149 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 150 #define VIA_REG_TYPE_INT_LLINE 0x00 151 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 152 #define VIA_REG_TYPE_INT_LESSONE 0x08 153 #define VIA_REG_TYPE_INT_MASK 0x0c 154 #define VIA_REG_TYPE_INT_EOL 0x02 155 #define VIA_REG_TYPE_INT_FLAG 0x01 156 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 157 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 158 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 159 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 160 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 161 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 162 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 163 164 #define DEFINE_VIA_REGSET(name,val) \ 165 enum {\ 166 VIA_REG_##name##_STATUS = (val),\ 167 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 168 VIA_REG_##name##_TYPE = (val) + 0x02,\ 169 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 170 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 171 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 172 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 173 } 174 175 /* playback block */ 176 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 177 DEFINE_VIA_REGSET(CAPTURE, 0x10); 178 DEFINE_VIA_REGSET(FM, 0x20); 179 180 /* AC'97 */ 181 #define VIA_REG_AC97 0x80 /* dword */ 182 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 183 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 184 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 185 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 186 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 187 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 188 #define VIA_REG_AC97_BUSY (1<<24) 189 #define VIA_REG_AC97_READ (1<<23) 190 #define VIA_REG_AC97_CMD_SHIFT 16 191 #define VIA_REG_AC97_CMD_MASK 0x7e 192 #define VIA_REG_AC97_DATA_SHIFT 0 193 #define VIA_REG_AC97_DATA_MASK 0xffff 194 195 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 196 /* via686 */ 197 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 198 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 199 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 200 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 201 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 202 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 203 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 204 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 205 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 206 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 207 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 208 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 209 /* via8233 */ 210 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 211 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 212 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 213 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 214 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 215 #define VIA8233_REG_SGD_CHAN_SDX 0 216 #define VIA8233_REG_SGD_CHAN_MULTI 4 217 #define VIA8233_REG_SGD_CHAN_REC 6 218 #define VIA8233_REG_SGD_CHAN_REC1 7 219 220 #define VIA_REG_GPI_STATUS 0x88 221 #define VIA_REG_GPI_INTR 0x8c 222 223 /* multi-channel and capture registers for via8233 */ 224 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 225 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 226 227 /* via8233-specific registers */ 228 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 229 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 230 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 231 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 232 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 233 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 234 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 235 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 236 237 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 238 239 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 240 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 241 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 242 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 243 244 #define VIA_TBL_BIT_FLAG 0x40000000 245 #define VIA_TBL_BIT_EOL 0x80000000 246 247 /* pci space */ 248 #define VIA_ACLINK_STAT 0x40 249 #define VIA_ACLINK_C11_READY 0x20 250 #define VIA_ACLINK_C10_READY 0x10 251 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 252 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 253 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 254 #define VIA_ACLINK_CTRL 0x41 255 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 256 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 257 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 258 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 259 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 260 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 261 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 262 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 263 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 264 VIA_ACLINK_CTRL_RESET|\ 265 VIA_ACLINK_CTRL_PCM|\ 266 VIA_ACLINK_CTRL_VRA) 267 #define VIA_FUNC_ENABLE 0x42 268 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 269 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 270 #define VIA_FUNC_RX2C_WRITE 0x20 271 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 272 #define VIA_FUNC_ENABLE_GAME 0x08 273 #define VIA_FUNC_ENABLE_FM 0x04 274 #define VIA_FUNC_ENABLE_MIDI 0x02 275 #define VIA_FUNC_ENABLE_SB 0x01 276 #define VIA_PNP_CONTROL 0x43 277 #define VIA_FM_NMI_CTRL 0x48 278 #define VIA8233_VOLCHG_CTRL 0x48 279 #define VIA8233_SPDIF_CTRL 0x49 280 #define VIA8233_SPDIF_DX3 0x08 281 #define VIA8233_SPDIF_SLOT_MASK 0x03 282 #define VIA8233_SPDIF_SLOT_1011 0x00 283 #define VIA8233_SPDIF_SLOT_34 0x01 284 #define VIA8233_SPDIF_SLOT_78 0x02 285 #define VIA8233_SPDIF_SLOT_69 0x03 286 287 /* 288 */ 289 290 #define VIA_DXS_AUTO 0 291 #define VIA_DXS_ENABLE 1 292 #define VIA_DXS_DISABLE 2 293 #define VIA_DXS_48K 3 294 #define VIA_DXS_NO_VRA 4 295 #define VIA_DXS_SRC 5 296 297 298 /* 299 * pcm stream 300 */ 301 302 struct snd_via_sg_table { 303 unsigned int offset; 304 unsigned int size; 305 } ; 306 307 #define VIA_TABLE_SIZE 255 308 #define VIA_MAX_BUFSIZE (1<<24) 309 310 struct viadev { 311 unsigned int reg_offset; 312 unsigned long port; 313 int direction; /* playback = 0, capture = 1 */ 314 struct snd_pcm_substream *substream; 315 int running; 316 unsigned int tbl_entries; /* # descriptors */ 317 struct snd_dma_buffer table; 318 struct snd_via_sg_table *idx_table; 319 /* for recovery from the unexpected pointer */ 320 unsigned int lastpos; 321 unsigned int fragsize; 322 unsigned int bufsize; 323 unsigned int bufsize2; 324 int hwptr_done; /* processed frame position in the buffer */ 325 int in_interrupt; 326 int shadow_shift; 327 }; 328 329 330 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 331 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 332 333 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 334 335 struct via_rate_lock { 336 spinlock_t lock; 337 int rate; 338 int used; 339 }; 340 341 struct via82xx { 342 int irq; 343 344 unsigned long port; 345 struct resource *mpu_res; 346 int chip_type; 347 unsigned char revision; 348 349 unsigned char old_legacy; 350 unsigned char old_legacy_cfg; 351 #ifdef CONFIG_PM_SLEEP 352 unsigned char legacy_saved; 353 unsigned char legacy_cfg_saved; 354 unsigned char spdif_ctrl_saved; 355 unsigned char capture_src_saved[2]; 356 unsigned int mpu_port_saved; 357 #endif 358 359 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 360 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 361 362 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 363 364 struct pci_dev *pci; 365 struct snd_card *card; 366 367 unsigned int num_devs; 368 unsigned int playback_devno, multi_devno, capture_devno; 369 struct viadev devs[VIA_MAX_DEVS]; 370 struct via_rate_lock rates[2]; /* playback and capture */ 371 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 372 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 373 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 374 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 375 376 struct snd_pcm *pcms[2]; 377 struct snd_rawmidi *rmidi; 378 struct snd_kcontrol *dxs_controls[4]; 379 380 struct snd_ac97_bus *ac97_bus; 381 struct snd_ac97 *ac97; 382 unsigned int ac97_clock; 383 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 384 385 spinlock_t reg_lock; 386 struct snd_info_entry *proc_entry; 387 388 #ifdef SUPPORT_JOYSTICK 389 struct gameport *gameport; 390 #endif 391 }; 392 393 static const struct pci_device_id snd_via82xx_ids[] = { 394 /* 0x1106, 0x3058 */ 395 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 396 /* 0x1106, 0x3059 */ 397 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 398 { 0, } 399 }; 400 401 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 402 403 /* 404 */ 405 406 /* 407 * allocate and initialize the descriptor buffers 408 * periods = number of periods 409 * fragsize = period size in bytes 410 */ 411 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 412 struct pci_dev *pci, 413 unsigned int periods, unsigned int fragsize) 414 { 415 unsigned int i, idx, ofs, rest; 416 struct via82xx *chip = snd_pcm_substream_chip(substream); 417 418 if (dev->table.area == NULL) { 419 /* the start of each lists must be aligned to 8 bytes, 420 * but the kernel pages are much bigger, so we don't care 421 */ 422 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 423 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 424 &dev->table) < 0) 425 return -ENOMEM; 426 } 427 if (! dev->idx_table) { 428 dev->idx_table = kmalloc_array(VIA_TABLE_SIZE, 429 sizeof(*dev->idx_table), 430 GFP_KERNEL); 431 if (! dev->idx_table) 432 return -ENOMEM; 433 } 434 435 /* fill the entries */ 436 idx = 0; 437 ofs = 0; 438 for (i = 0; i < periods; i++) { 439 rest = fragsize; 440 /* fill descriptors for a period. 441 * a period can be split to several descriptors if it's 442 * over page boundary. 443 */ 444 do { 445 unsigned int r; 446 unsigned int flag; 447 unsigned int addr; 448 449 if (idx >= VIA_TABLE_SIZE) { 450 dev_err(&pci->dev, "too much table size!\n"); 451 return -EINVAL; 452 } 453 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 454 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 455 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 456 rest -= r; 457 if (! rest) { 458 if (i == periods - 1) 459 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 460 else 461 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 462 } else 463 flag = 0; /* period continues to the next */ 464 /* 465 dev_dbg(&pci->dev, 466 "tbl %d: at %d size %d (rest %d)\n", 467 idx, ofs, r, rest); 468 */ 469 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 470 dev->idx_table[idx].offset = ofs; 471 dev->idx_table[idx].size = r; 472 ofs += r; 473 idx++; 474 } while (rest > 0); 475 } 476 dev->tbl_entries = idx; 477 dev->bufsize = periods * fragsize; 478 dev->bufsize2 = dev->bufsize / 2; 479 dev->fragsize = fragsize; 480 return 0; 481 } 482 483 484 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 485 struct pci_dev *pci) 486 { 487 if (dev->table.area) { 488 snd_dma_free_pages(&dev->table); 489 dev->table.area = NULL; 490 } 491 kfree(dev->idx_table); 492 dev->idx_table = NULL; 493 return 0; 494 } 495 496 /* 497 * Basic I/O 498 */ 499 500 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 501 { 502 return inl(VIAREG(chip, AC97)); 503 } 504 505 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 506 { 507 outl(val, VIAREG(chip, AC97)); 508 } 509 510 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 511 { 512 unsigned int timeout = 1000; /* 1ms */ 513 unsigned int val; 514 515 while (timeout-- > 0) { 516 udelay(1); 517 if (!((val = snd_via82xx_codec_xread(chip)) & 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 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 int err; 923 924 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 925 if (err < 0) 926 return err; 927 err = build_via_table(viadev, substream, chip->pci, 928 params_periods(hw_params), 929 params_period_bytes(hw_params)); 930 if (err < 0) 931 return err; 932 933 return 0; 934 } 935 936 /* 937 * hw_free callback: 938 * clean up the buffer description table and release the buffer 939 */ 940 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 941 { 942 struct via82xx *chip = snd_pcm_substream_chip(substream); 943 struct viadev *viadev = substream->runtime->private_data; 944 945 clean_via_table(viadev, substream, chip->pci); 946 snd_pcm_lib_free_pages(substream); 947 return 0; 948 } 949 950 951 /* 952 * set up the table pointer 953 */ 954 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 955 { 956 snd_via82xx_codec_ready(chip, 0); 957 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 958 udelay(20); 959 snd_via82xx_codec_ready(chip, 0); 960 } 961 962 /* 963 * prepare callback for playback and capture on via686 964 */ 965 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 966 struct snd_pcm_runtime *runtime) 967 { 968 snd_via82xx_channel_reset(chip, viadev); 969 /* this must be set after channel_reset */ 970 snd_via82xx_set_table_ptr(chip, viadev); 971 outb(VIA_REG_TYPE_AUTOSTART | 972 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 973 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 974 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 975 VIA_REG_TYPE_INT_EOL | 976 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 977 } 978 979 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 980 { 981 struct via82xx *chip = snd_pcm_substream_chip(substream); 982 struct viadev *viadev = substream->runtime->private_data; 983 struct snd_pcm_runtime *runtime = substream->runtime; 984 985 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 986 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 987 via686_setup_format(chip, viadev, runtime); 988 return 0; 989 } 990 991 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 992 { 993 struct via82xx *chip = snd_pcm_substream_chip(substream); 994 struct viadev *viadev = substream->runtime->private_data; 995 struct snd_pcm_runtime *runtime = substream->runtime; 996 997 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 998 via686_setup_format(chip, viadev, runtime); 999 return 0; 1000 } 1001 1002 /* 1003 * lock the current rate 1004 */ 1005 static int via_lock_rate(struct via_rate_lock *rec, int rate) 1006 { 1007 int changed = 0; 1008 1009 spin_lock_irq(&rec->lock); 1010 if (rec->rate != rate) { 1011 if (rec->rate && rec->used > 1) /* already set */ 1012 changed = -EINVAL; 1013 else { 1014 rec->rate = rate; 1015 changed = 1; 1016 } 1017 } 1018 spin_unlock_irq(&rec->lock); 1019 return changed; 1020 } 1021 1022 /* 1023 * prepare callback for DSX playback on via823x 1024 */ 1025 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1026 { 1027 struct via82xx *chip = snd_pcm_substream_chip(substream); 1028 struct viadev *viadev = substream->runtime->private_data; 1029 struct snd_pcm_runtime *runtime = substream->runtime; 1030 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1031 int rate_changed; 1032 u32 rbits; 1033 1034 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1035 return rate_changed; 1036 if (rate_changed) 1037 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1038 chip->no_vra ? 48000 : runtime->rate); 1039 if (chip->spdif_on && viadev->reg_offset == 0x30) 1040 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1041 1042 if (runtime->rate == 48000) 1043 rbits = 0xfffff; 1044 else 1045 rbits = (0x100000 / 48000) * runtime->rate + 1046 ((0x100000 % 48000) * runtime->rate) / 48000; 1047 snd_BUG_ON(rbits & ~0xfffff); 1048 snd_via82xx_channel_reset(chip, viadev); 1049 snd_via82xx_set_table_ptr(chip, viadev); 1050 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1051 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1052 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1053 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1054 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1055 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1056 rbits | /* rate */ 1057 0xff000000, /* STOP index is never reached */ 1058 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1059 udelay(20); 1060 snd_via82xx_codec_ready(chip, 0); 1061 return 0; 1062 } 1063 1064 /* 1065 * prepare callback for multi-channel playback on via823x 1066 */ 1067 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1068 { 1069 struct via82xx *chip = snd_pcm_substream_chip(substream); 1070 struct viadev *viadev = substream->runtime->private_data; 1071 struct snd_pcm_runtime *runtime = substream->runtime; 1072 unsigned int slots; 1073 int fmt; 1074 1075 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1076 return -EINVAL; 1077 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1078 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1079 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1080 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1081 snd_via82xx_channel_reset(chip, viadev); 1082 snd_via82xx_set_table_ptr(chip, viadev); 1083 1084 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1085 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1086 fmt |= runtime->channels << 4; 1087 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1088 #if 0 1089 if (chip->revision == VIA_REV_8233A) 1090 slots = 0; 1091 else 1092 #endif 1093 { 1094 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1095 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1096 switch (runtime->channels) { 1097 case 1: slots = (1<<0) | (1<<4); break; 1098 case 2: slots = (1<<0) | (2<<4); break; 1099 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1100 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1101 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1102 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1103 default: slots = 0; break; 1104 } 1105 } 1106 /* STOP index is never reached */ 1107 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1108 udelay(20); 1109 snd_via82xx_codec_ready(chip, 0); 1110 return 0; 1111 } 1112 1113 /* 1114 * prepare callback for capture on via823x 1115 */ 1116 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1117 { 1118 struct via82xx *chip = snd_pcm_substream_chip(substream); 1119 struct viadev *viadev = substream->runtime->private_data; 1120 struct snd_pcm_runtime *runtime = substream->runtime; 1121 1122 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1123 return -EINVAL; 1124 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1125 snd_via82xx_channel_reset(chip, viadev); 1126 snd_via82xx_set_table_ptr(chip, viadev); 1127 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1128 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1129 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1130 0xff000000, /* STOP index is never reached */ 1131 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1132 udelay(20); 1133 snd_via82xx_codec_ready(chip, 0); 1134 return 0; 1135 } 1136 1137 1138 /* 1139 * pcm hardware definition, identical for both playback and capture 1140 */ 1141 static const struct snd_pcm_hardware snd_via82xx_hw = 1142 { 1143 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1144 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1145 SNDRV_PCM_INFO_MMAP_VALID | 1146 /* SNDRV_PCM_INFO_RESUME | */ 1147 SNDRV_PCM_INFO_PAUSE), 1148 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1149 .rates = SNDRV_PCM_RATE_48000, 1150 .rate_min = 48000, 1151 .rate_max = 48000, 1152 .channels_min = 1, 1153 .channels_max = 2, 1154 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1155 .period_bytes_min = 32, 1156 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1157 .periods_min = 2, 1158 .periods_max = VIA_TABLE_SIZE / 2, 1159 .fifo_size = 0, 1160 }; 1161 1162 1163 /* 1164 * open callback skeleton 1165 */ 1166 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1167 struct snd_pcm_substream *substream) 1168 { 1169 struct snd_pcm_runtime *runtime = substream->runtime; 1170 int err; 1171 struct via_rate_lock *ratep; 1172 bool use_src = false; 1173 1174 runtime->hw = snd_via82xx_hw; 1175 1176 /* set the hw rate condition */ 1177 ratep = &chip->rates[viadev->direction]; 1178 spin_lock_irq(&ratep->lock); 1179 ratep->used++; 1180 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1181 /* DXS#3 and spdif is on */ 1182 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1183 snd_pcm_limit_hw_rates(runtime); 1184 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1185 /* fixed DXS playback rate */ 1186 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1187 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1188 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1189 /* use full SRC capabilities of DXS */ 1190 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1191 SNDRV_PCM_RATE_8000_48000); 1192 runtime->hw.rate_min = 8000; 1193 runtime->hw.rate_max = 48000; 1194 use_src = true; 1195 } else if (! ratep->rate) { 1196 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1197 runtime->hw.rates = chip->ac97->rates[idx]; 1198 snd_pcm_limit_hw_rates(runtime); 1199 } else { 1200 /* a fixed rate */ 1201 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1202 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1203 } 1204 spin_unlock_irq(&ratep->lock); 1205 1206 /* we may remove following constaint when we modify table entries 1207 in interrupt */ 1208 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1209 return err; 1210 1211 if (use_src) { 1212 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1213 if (err < 0) 1214 return err; 1215 } 1216 1217 runtime->private_data = viadev; 1218 viadev->substream = substream; 1219 1220 return 0; 1221 } 1222 1223 1224 /* 1225 * open callback for playback on via686 1226 */ 1227 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1228 { 1229 struct via82xx *chip = snd_pcm_substream_chip(substream); 1230 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1231 int err; 1232 1233 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1234 return err; 1235 return 0; 1236 } 1237 1238 /* 1239 * open callback for playback on via823x DXS 1240 */ 1241 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1242 { 1243 struct via82xx *chip = snd_pcm_substream_chip(substream); 1244 struct viadev *viadev; 1245 unsigned int stream; 1246 int err; 1247 1248 viadev = &chip->devs[chip->playback_devno + substream->number]; 1249 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1250 return err; 1251 stream = viadev->reg_offset / 0x10; 1252 if (chip->dxs_controls[stream]) { 1253 chip->playback_volume[stream][0] = 1254 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1255 chip->playback_volume[stream][1] = 1256 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1257 chip->dxs_controls[stream]->vd[0].access &= 1258 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1259 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1260 SNDRV_CTL_EVENT_MASK_INFO, 1261 &chip->dxs_controls[stream]->id); 1262 } 1263 return 0; 1264 } 1265 1266 /* 1267 * open callback for playback on via823x multi-channel 1268 */ 1269 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1270 { 1271 struct via82xx *chip = snd_pcm_substream_chip(substream); 1272 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1273 int err; 1274 /* channels constraint for VIA8233A 1275 * 3 and 5 channels are not supported 1276 */ 1277 static const unsigned int channels[] = { 1278 1, 2, 4, 6 1279 }; 1280 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1281 .count = ARRAY_SIZE(channels), 1282 .list = channels, 1283 .mask = 0, 1284 }; 1285 1286 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1287 return err; 1288 substream->runtime->hw.channels_max = 6; 1289 if (chip->revision == VIA_REV_8233A) 1290 snd_pcm_hw_constraint_list(substream->runtime, 0, 1291 SNDRV_PCM_HW_PARAM_CHANNELS, 1292 &hw_constraints_channels); 1293 return 0; 1294 } 1295 1296 /* 1297 * open callback for capture on via686 and via823x 1298 */ 1299 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1300 { 1301 struct via82xx *chip = snd_pcm_substream_chip(substream); 1302 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1303 1304 return snd_via82xx_pcm_open(chip, viadev, substream); 1305 } 1306 1307 /* 1308 * close callback 1309 */ 1310 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1311 { 1312 struct via82xx *chip = snd_pcm_substream_chip(substream); 1313 struct viadev *viadev = substream->runtime->private_data; 1314 struct via_rate_lock *ratep; 1315 1316 /* release the rate lock */ 1317 ratep = &chip->rates[viadev->direction]; 1318 spin_lock_irq(&ratep->lock); 1319 ratep->used--; 1320 if (! ratep->used) 1321 ratep->rate = 0; 1322 spin_unlock_irq(&ratep->lock); 1323 if (! ratep->rate) { 1324 if (! viadev->direction) { 1325 snd_ac97_update_power(chip->ac97, 1326 AC97_PCM_FRONT_DAC_RATE, 0); 1327 snd_ac97_update_power(chip->ac97, 1328 AC97_PCM_SURR_DAC_RATE, 0); 1329 snd_ac97_update_power(chip->ac97, 1330 AC97_PCM_LFE_DAC_RATE, 0); 1331 } else 1332 snd_ac97_update_power(chip->ac97, 1333 AC97_PCM_LR_ADC_RATE, 0); 1334 } 1335 viadev->substream = NULL; 1336 return 0; 1337 } 1338 1339 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1340 { 1341 struct via82xx *chip = snd_pcm_substream_chip(substream); 1342 struct viadev *viadev = substream->runtime->private_data; 1343 unsigned int stream; 1344 1345 stream = viadev->reg_offset / 0x10; 1346 if (chip->dxs_controls[stream]) { 1347 chip->dxs_controls[stream]->vd[0].access |= 1348 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1349 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1350 &chip->dxs_controls[stream]->id); 1351 } 1352 return snd_via82xx_pcm_close(substream); 1353 } 1354 1355 1356 /* via686 playback callbacks */ 1357 static const struct snd_pcm_ops snd_via686_playback_ops = { 1358 .open = snd_via686_playback_open, 1359 .close = snd_via82xx_pcm_close, 1360 .ioctl = snd_pcm_lib_ioctl, 1361 .hw_params = snd_via82xx_hw_params, 1362 .hw_free = snd_via82xx_hw_free, 1363 .prepare = snd_via686_playback_prepare, 1364 .trigger = snd_via82xx_pcm_trigger, 1365 .pointer = snd_via686_pcm_pointer, 1366 }; 1367 1368 /* via686 capture callbacks */ 1369 static const struct snd_pcm_ops snd_via686_capture_ops = { 1370 .open = snd_via82xx_capture_open, 1371 .close = snd_via82xx_pcm_close, 1372 .ioctl = snd_pcm_lib_ioctl, 1373 .hw_params = snd_via82xx_hw_params, 1374 .hw_free = snd_via82xx_hw_free, 1375 .prepare = snd_via686_capture_prepare, 1376 .trigger = snd_via82xx_pcm_trigger, 1377 .pointer = snd_via686_pcm_pointer, 1378 }; 1379 1380 /* via823x DSX playback callbacks */ 1381 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1382 .open = snd_via8233_playback_open, 1383 .close = snd_via8233_playback_close, 1384 .ioctl = snd_pcm_lib_ioctl, 1385 .hw_params = snd_via82xx_hw_params, 1386 .hw_free = snd_via82xx_hw_free, 1387 .prepare = snd_via8233_playback_prepare, 1388 .trigger = snd_via82xx_pcm_trigger, 1389 .pointer = snd_via8233_pcm_pointer, 1390 }; 1391 1392 /* via823x multi-channel playback callbacks */ 1393 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1394 .open = snd_via8233_multi_open, 1395 .close = snd_via82xx_pcm_close, 1396 .ioctl = snd_pcm_lib_ioctl, 1397 .hw_params = snd_via82xx_hw_params, 1398 .hw_free = snd_via82xx_hw_free, 1399 .prepare = snd_via8233_multi_prepare, 1400 .trigger = snd_via82xx_pcm_trigger, 1401 .pointer = snd_via8233_pcm_pointer, 1402 }; 1403 1404 /* via823x capture callbacks */ 1405 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1406 .open = snd_via82xx_capture_open, 1407 .close = snd_via82xx_pcm_close, 1408 .ioctl = snd_pcm_lib_ioctl, 1409 .hw_params = snd_via82xx_hw_params, 1410 .hw_free = snd_via82xx_hw_free, 1411 .prepare = snd_via8233_capture_prepare, 1412 .trigger = snd_via82xx_pcm_trigger, 1413 .pointer = snd_via8233_pcm_pointer, 1414 }; 1415 1416 1417 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1418 int shadow_pos, int direction) 1419 { 1420 chip->devs[idx].reg_offset = reg_offset; 1421 chip->devs[idx].shadow_shift = shadow_pos * 4; 1422 chip->devs[idx].direction = direction; 1423 chip->devs[idx].port = chip->port + reg_offset; 1424 } 1425 1426 /* 1427 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1428 */ 1429 static int snd_via8233_pcm_new(struct via82xx *chip) 1430 { 1431 struct snd_pcm *pcm; 1432 struct snd_pcm_chmap *chmap; 1433 int i, err; 1434 1435 chip->playback_devno = 0; /* x 4 */ 1436 chip->multi_devno = 4; /* x 1 */ 1437 chip->capture_devno = 5; /* x 2 */ 1438 chip->num_devs = 7; 1439 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1440 1441 /* PCM #0: 4 DSX playbacks and 1 capture */ 1442 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1443 if (err < 0) 1444 return err; 1445 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1446 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1447 pcm->private_data = chip; 1448 strcpy(pcm->name, chip->card->shortname); 1449 chip->pcms[0] = pcm; 1450 /* set up playbacks */ 1451 for (i = 0; i < 4; i++) 1452 init_viadev(chip, i, 0x10 * i, i, 0); 1453 /* capture */ 1454 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1455 1456 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1457 snd_dma_pci_data(chip->pci), 1458 64*1024, VIA_MAX_BUFSIZE); 1459 1460 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1461 snd_pcm_std_chmaps, 2, 0, 1462 &chmap); 1463 if (err < 0) 1464 return err; 1465 1466 /* PCM #1: multi-channel playback and 2nd capture */ 1467 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1468 if (err < 0) 1469 return err; 1470 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1471 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1472 pcm->private_data = chip; 1473 strcpy(pcm->name, chip->card->shortname); 1474 chip->pcms[1] = pcm; 1475 /* set up playback */ 1476 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1477 /* set up capture */ 1478 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1479 1480 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1481 snd_dma_pci_data(chip->pci), 1482 64*1024, VIA_MAX_BUFSIZE); 1483 1484 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1485 snd_pcm_alt_chmaps, 6, 0, 1486 &chmap); 1487 if (err < 0) 1488 return err; 1489 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1490 1491 return 0; 1492 } 1493 1494 /* 1495 * create pcm instances for VIA8233A 1496 */ 1497 static int snd_via8233a_pcm_new(struct via82xx *chip) 1498 { 1499 struct snd_pcm *pcm; 1500 struct snd_pcm_chmap *chmap; 1501 int err; 1502 1503 chip->multi_devno = 0; 1504 chip->playback_devno = 1; 1505 chip->capture_devno = 2; 1506 chip->num_devs = 3; 1507 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1508 1509 /* PCM #0: multi-channel playback and capture */ 1510 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1511 if (err < 0) 1512 return err; 1513 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1514 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1515 pcm->private_data = chip; 1516 strcpy(pcm->name, chip->card->shortname); 1517 chip->pcms[0] = pcm; 1518 /* set up playback */ 1519 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1520 /* capture */ 1521 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1522 1523 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1524 snd_dma_pci_data(chip->pci), 1525 64*1024, VIA_MAX_BUFSIZE); 1526 1527 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1528 snd_pcm_alt_chmaps, 6, 0, 1529 &chmap); 1530 if (err < 0) 1531 return err; 1532 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1533 1534 /* SPDIF supported? */ 1535 if (! ac97_can_spdif(chip->ac97)) 1536 return 0; 1537 1538 /* PCM #1: DXS3 playback (for spdif) */ 1539 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1540 if (err < 0) 1541 return err; 1542 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1543 pcm->private_data = chip; 1544 strcpy(pcm->name, chip->card->shortname); 1545 chip->pcms[1] = pcm; 1546 /* set up playback */ 1547 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1548 1549 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1550 snd_dma_pci_data(chip->pci), 1551 64*1024, VIA_MAX_BUFSIZE); 1552 return 0; 1553 } 1554 1555 /* 1556 * create a pcm instance for via686a/b 1557 */ 1558 static int snd_via686_pcm_new(struct via82xx *chip) 1559 { 1560 struct snd_pcm *pcm; 1561 int err; 1562 1563 chip->playback_devno = 0; 1564 chip->capture_devno = 1; 1565 chip->num_devs = 2; 1566 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1567 1568 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1569 if (err < 0) 1570 return err; 1571 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1572 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1573 pcm->private_data = chip; 1574 strcpy(pcm->name, chip->card->shortname); 1575 chip->pcms[0] = pcm; 1576 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1577 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1578 1579 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1580 snd_dma_pci_data(chip->pci), 1581 64*1024, VIA_MAX_BUFSIZE); 1582 return 0; 1583 } 1584 1585 1586 /* 1587 * Mixer part 1588 */ 1589 1590 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1591 struct snd_ctl_elem_info *uinfo) 1592 { 1593 /* formerly they were "Line" and "Mic", but it looks like that they 1594 * have nothing to do with the actual physical connections... 1595 */ 1596 static const char * const texts[2] = { 1597 "Input1", "Input2" 1598 }; 1599 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1600 } 1601 1602 static int snd_via8233_capture_source_get(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 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1608 return 0; 1609 } 1610 1611 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1612 struct snd_ctl_elem_value *ucontrol) 1613 { 1614 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1615 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1616 u8 val, oval; 1617 1618 spin_lock_irq(&chip->reg_lock); 1619 oval = inb(port); 1620 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1621 if (ucontrol->value.enumerated.item[0]) 1622 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1623 if (val != oval) 1624 outb(val, port); 1625 spin_unlock_irq(&chip->reg_lock); 1626 return val != oval; 1627 } 1628 1629 static struct snd_kcontrol_new snd_via8233_capture_source = { 1630 .name = "Input Source Select", 1631 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1632 .info = snd_via8233_capture_source_info, 1633 .get = snd_via8233_capture_source_get, 1634 .put = snd_via8233_capture_source_put, 1635 }; 1636 1637 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1638 1639 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1640 struct snd_ctl_elem_value *ucontrol) 1641 { 1642 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1643 u8 val; 1644 1645 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1646 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1647 return 0; 1648 } 1649 1650 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1651 struct snd_ctl_elem_value *ucontrol) 1652 { 1653 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1654 u8 val, oval; 1655 1656 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1657 val = oval & ~VIA8233_SPDIF_DX3; 1658 if (ucontrol->value.integer.value[0]) 1659 val |= VIA8233_SPDIF_DX3; 1660 /* save the spdif flag for rate filtering */ 1661 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1662 if (val != oval) { 1663 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1664 return 1; 1665 } 1666 return 0; 1667 } 1668 1669 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1670 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1671 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1672 .info = snd_via8233_dxs3_spdif_info, 1673 .get = snd_via8233_dxs3_spdif_get, 1674 .put = snd_via8233_dxs3_spdif_put, 1675 }; 1676 1677 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1678 struct snd_ctl_elem_info *uinfo) 1679 { 1680 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1681 uinfo->count = 2; 1682 uinfo->value.integer.min = 0; 1683 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1684 return 0; 1685 } 1686 1687 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1688 struct snd_ctl_elem_value *ucontrol) 1689 { 1690 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1691 unsigned int idx = kcontrol->id.subdevice; 1692 1693 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1694 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1695 return 0; 1696 } 1697 1698 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1699 struct snd_ctl_elem_value *ucontrol) 1700 { 1701 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1702 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1703 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1704 return 0; 1705 } 1706 1707 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1708 struct snd_ctl_elem_value *ucontrol) 1709 { 1710 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1711 unsigned int idx = kcontrol->id.subdevice; 1712 unsigned long port = chip->port + 0x10 * idx; 1713 unsigned char val; 1714 int i, change = 0; 1715 1716 for (i = 0; i < 2; i++) { 1717 val = ucontrol->value.integer.value[i]; 1718 if (val > VIA_DXS_MAX_VOLUME) 1719 val = VIA_DXS_MAX_VOLUME; 1720 val = VIA_DXS_MAX_VOLUME - val; 1721 change |= val != chip->playback_volume[idx][i]; 1722 if (change) { 1723 chip->playback_volume[idx][i] = val; 1724 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1725 } 1726 } 1727 return change; 1728 } 1729 1730 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1731 struct snd_ctl_elem_value *ucontrol) 1732 { 1733 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1734 unsigned int idx; 1735 unsigned char val; 1736 int i, change = 0; 1737 1738 for (i = 0; i < 2; i++) { 1739 val = ucontrol->value.integer.value[i]; 1740 if (val > VIA_DXS_MAX_VOLUME) 1741 val = VIA_DXS_MAX_VOLUME; 1742 val = VIA_DXS_MAX_VOLUME - val; 1743 if (val != chip->playback_volume_c[i]) { 1744 change = 1; 1745 chip->playback_volume_c[i] = val; 1746 for (idx = 0; idx < 4; idx++) { 1747 unsigned long port = chip->port + 0x10 * idx; 1748 chip->playback_volume[idx][i] = val; 1749 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1750 } 1751 } 1752 } 1753 return change; 1754 } 1755 1756 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1757 1758 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1759 .name = "PCM Playback Volume", 1760 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1761 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1762 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1763 .info = snd_via8233_dxs_volume_info, 1764 .get = snd_via8233_pcmdxs_volume_get, 1765 .put = snd_via8233_pcmdxs_volume_put, 1766 .tlv = { .p = db_scale_dxs } 1767 }; 1768 1769 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1770 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1771 .device = 0, 1772 /* .subdevice set later */ 1773 .name = "PCM Playback Volume", 1774 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1775 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1776 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1777 .info = snd_via8233_dxs_volume_info, 1778 .get = snd_via8233_dxs_volume_get, 1779 .put = snd_via8233_dxs_volume_put, 1780 .tlv = { .p = db_scale_dxs } 1781 }; 1782 1783 /* 1784 */ 1785 1786 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1787 { 1788 struct via82xx *chip = bus->private_data; 1789 chip->ac97_bus = NULL; 1790 } 1791 1792 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1793 { 1794 struct via82xx *chip = ac97->private_data; 1795 chip->ac97 = NULL; 1796 } 1797 1798 static const struct ac97_quirk ac97_quirks[] = { 1799 { 1800 .subvendor = 0x1106, 1801 .subdevice = 0x4161, 1802 .codec_id = 0x56494161, /* VT1612A */ 1803 .name = "Soltek SL-75DRV5", 1804 .type = AC97_TUNE_NONE 1805 }, 1806 { /* FIXME: which codec? */ 1807 .subvendor = 0x1106, 1808 .subdevice = 0x4161, 1809 .name = "ASRock K7VT2", 1810 .type = AC97_TUNE_HP_ONLY 1811 }, 1812 { 1813 .subvendor = 0x110a, 1814 .subdevice = 0x0079, 1815 .name = "Fujitsu Siemens D1289", 1816 .type = AC97_TUNE_HP_ONLY 1817 }, 1818 { 1819 .subvendor = 0x1019, 1820 .subdevice = 0x0a81, 1821 .name = "ECS K7VTA3", 1822 .type = AC97_TUNE_HP_ONLY 1823 }, 1824 { 1825 .subvendor = 0x1019, 1826 .subdevice = 0x0a85, 1827 .name = "ECS L7VMM2", 1828 .type = AC97_TUNE_HP_ONLY 1829 }, 1830 { 1831 .subvendor = 0x1019, 1832 .subdevice = 0x1841, 1833 .name = "ECS K7VTA3", 1834 .type = AC97_TUNE_HP_ONLY 1835 }, 1836 { 1837 .subvendor = 0x1849, 1838 .subdevice = 0x3059, 1839 .name = "ASRock K7VM2", 1840 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1841 }, 1842 { 1843 .subvendor = 0x14cd, 1844 .subdevice = 0x7002, 1845 .name = "Unknown", 1846 .type = AC97_TUNE_ALC_JACK 1847 }, 1848 { 1849 .subvendor = 0x1071, 1850 .subdevice = 0x8590, 1851 .name = "Mitac Mobo", 1852 .type = AC97_TUNE_ALC_JACK 1853 }, 1854 { 1855 .subvendor = 0x161f, 1856 .subdevice = 0x202b, 1857 .name = "Arima Notebook", 1858 .type = AC97_TUNE_HP_ONLY, 1859 }, 1860 { 1861 .subvendor = 0x161f, 1862 .subdevice = 0x2032, 1863 .name = "Targa Traveller 811", 1864 .type = AC97_TUNE_HP_ONLY, 1865 }, 1866 { 1867 .subvendor = 0x161f, 1868 .subdevice = 0x2032, 1869 .name = "m680x", 1870 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1871 }, 1872 { 1873 .subvendor = 0x1297, 1874 .subdevice = 0xa232, 1875 .name = "Shuttle AK32VN", 1876 .type = AC97_TUNE_HP_ONLY 1877 }, 1878 { } /* terminator */ 1879 }; 1880 1881 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1882 { 1883 struct snd_ac97_template ac97; 1884 int err; 1885 static struct snd_ac97_bus_ops ops = { 1886 .write = snd_via82xx_codec_write, 1887 .read = snd_via82xx_codec_read, 1888 .wait = snd_via82xx_codec_wait, 1889 }; 1890 1891 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1892 return err; 1893 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1894 chip->ac97_bus->clock = chip->ac97_clock; 1895 1896 memset(&ac97, 0, sizeof(ac97)); 1897 ac97.private_data = chip; 1898 ac97.private_free = snd_via82xx_mixer_free_ac97; 1899 ac97.pci = chip->pci; 1900 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1901 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1902 return err; 1903 1904 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1905 1906 if (chip->chip_type != TYPE_VIA686) { 1907 /* use slot 10/11 */ 1908 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1909 } 1910 1911 return 0; 1912 } 1913 1914 #ifdef SUPPORT_JOYSTICK 1915 #define JOYSTICK_ADDR 0x200 1916 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1917 { 1918 struct gameport *gp; 1919 struct resource *r; 1920 1921 if (!joystick) 1922 return -ENODEV; 1923 1924 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1925 if (!r) { 1926 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1927 JOYSTICK_ADDR); 1928 return -EBUSY; 1929 } 1930 1931 chip->gameport = gp = gameport_allocate_port(); 1932 if (!gp) { 1933 dev_err(chip->card->dev, 1934 "cannot allocate memory for gameport\n"); 1935 release_and_free_resource(r); 1936 return -ENOMEM; 1937 } 1938 1939 gameport_set_name(gp, "VIA686 Gameport"); 1940 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1941 gameport_set_dev_parent(gp, &chip->pci->dev); 1942 gp->io = JOYSTICK_ADDR; 1943 gameport_set_port_data(gp, r); 1944 1945 /* Enable legacy joystick port */ 1946 *legacy |= VIA_FUNC_ENABLE_GAME; 1947 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1948 1949 gameport_register_port(chip->gameport); 1950 1951 return 0; 1952 } 1953 1954 static void snd_via686_free_gameport(struct via82xx *chip) 1955 { 1956 if (chip->gameport) { 1957 struct resource *r = gameport_get_port_data(chip->gameport); 1958 1959 gameport_unregister_port(chip->gameport); 1960 chip->gameport = NULL; 1961 release_and_free_resource(r); 1962 } 1963 } 1964 #else 1965 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1966 { 1967 return -ENOSYS; 1968 } 1969 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1970 #endif 1971 1972 1973 /* 1974 * 1975 */ 1976 1977 static int snd_via8233_init_misc(struct via82xx *chip) 1978 { 1979 int i, err, caps; 1980 unsigned char val; 1981 1982 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1983 for (i = 0; i < caps; i++) { 1984 snd_via8233_capture_source.index = i; 1985 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1986 if (err < 0) 1987 return err; 1988 } 1989 if (ac97_can_spdif(chip->ac97)) { 1990 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1991 if (err < 0) 1992 return err; 1993 } 1994 if (chip->chip_type != TYPE_VIA8233A) { 1995 /* when no h/w PCM volume control is found, use DXS volume control 1996 * as the PCM vol control 1997 */ 1998 struct snd_ctl_elem_id sid; 1999 memset(&sid, 0, sizeof(sid)); 2000 strcpy(sid.name, "PCM Playback Volume"); 2001 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2002 if (! snd_ctl_find_id(chip->card, &sid)) { 2003 dev_info(chip->card->dev, 2004 "Using DXS as PCM Playback\n"); 2005 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 2006 if (err < 0) 2007 return err; 2008 } 2009 else /* Using DXS when PCM emulation is enabled is really weird */ 2010 { 2011 for (i = 0; i < 4; ++i) { 2012 struct snd_kcontrol *kctl; 2013 2014 kctl = snd_ctl_new1( 2015 &snd_via8233_dxs_volume_control, chip); 2016 if (!kctl) 2017 return -ENOMEM; 2018 kctl->id.subdevice = i; 2019 err = snd_ctl_add(chip->card, kctl); 2020 if (err < 0) 2021 return err; 2022 chip->dxs_controls[i] = kctl; 2023 } 2024 } 2025 } 2026 /* select spdif data slot 10/11 */ 2027 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2028 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2029 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2030 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2031 2032 return 0; 2033 } 2034 2035 static int snd_via686_init_misc(struct via82xx *chip) 2036 { 2037 unsigned char legacy, legacy_cfg; 2038 int rev_h = 0; 2039 2040 legacy = chip->old_legacy; 2041 legacy_cfg = chip->old_legacy_cfg; 2042 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2043 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2044 if (chip->revision >= VIA_REV_686_H) { 2045 rev_h = 1; 2046 if (mpu_port >= 0x200) { /* force MIDI */ 2047 mpu_port &= 0xfffc; 2048 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2049 #ifdef CONFIG_PM_SLEEP 2050 chip->mpu_port_saved = mpu_port; 2051 #endif 2052 } else { 2053 mpu_port = pci_resource_start(chip->pci, 2); 2054 } 2055 } else { 2056 switch (mpu_port) { /* force MIDI */ 2057 case 0x300: 2058 case 0x310: 2059 case 0x320: 2060 case 0x330: 2061 legacy_cfg &= ~(3 << 2); 2062 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2063 break; 2064 default: /* no, use BIOS settings */ 2065 if (legacy & VIA_FUNC_ENABLE_MIDI) 2066 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2067 break; 2068 } 2069 } 2070 if (mpu_port >= 0x200 && 2071 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2072 != NULL) { 2073 if (rev_h) 2074 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2075 legacy |= VIA_FUNC_ENABLE_MIDI; 2076 } else { 2077 if (rev_h) 2078 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2079 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2080 mpu_port = 0; 2081 } 2082 2083 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2084 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2085 if (chip->mpu_res) { 2086 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2087 mpu_port, MPU401_INFO_INTEGRATED | 2088 MPU401_INFO_IRQ_HOOK, -1, 2089 &chip->rmidi) < 0) { 2090 dev_warn(chip->card->dev, 2091 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2092 mpu_port); 2093 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2094 } else { 2095 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2096 } 2097 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2098 } 2099 2100 snd_via686_create_gameport(chip, &legacy); 2101 2102 #ifdef CONFIG_PM_SLEEP 2103 chip->legacy_saved = legacy; 2104 chip->legacy_cfg_saved = legacy_cfg; 2105 #endif 2106 2107 return 0; 2108 } 2109 2110 2111 /* 2112 * proc interface 2113 */ 2114 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2115 struct snd_info_buffer *buffer) 2116 { 2117 struct via82xx *chip = entry->private_data; 2118 int i; 2119 2120 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2121 for (i = 0; i < 0xa0; i += 4) { 2122 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2123 } 2124 } 2125 2126 static void snd_via82xx_proc_init(struct via82xx *chip) 2127 { 2128 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2129 snd_via82xx_proc_read); 2130 } 2131 2132 /* 2133 * 2134 */ 2135 2136 static int snd_via82xx_chip_init(struct via82xx *chip) 2137 { 2138 unsigned int val; 2139 unsigned long end_time; 2140 unsigned char pval; 2141 2142 #if 0 /* broken on K7M? */ 2143 if (chip->chip_type == TYPE_VIA686) 2144 /* disable all legacy ports */ 2145 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2146 #endif 2147 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2148 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2149 /* deassert ACLink reset, force SYNC */ 2150 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2151 VIA_ACLINK_CTRL_ENABLE | 2152 VIA_ACLINK_CTRL_RESET | 2153 VIA_ACLINK_CTRL_SYNC); 2154 udelay(100); 2155 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2156 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2157 udelay(100); 2158 #else 2159 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2160 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2161 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2162 udelay(2); 2163 #endif 2164 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2165 /* note - FM data out has trouble with non VRA codecs !! */ 2166 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2167 udelay(100); 2168 } 2169 2170 /* Make sure VRA is enabled, in case we didn't do a 2171 * complete codec reset, above */ 2172 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2173 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2174 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2175 /* note - FM data out has trouble with non VRA codecs !! */ 2176 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2177 udelay(100); 2178 } 2179 2180 /* wait until codec ready */ 2181 end_time = jiffies + msecs_to_jiffies(750); 2182 do { 2183 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2184 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2185 break; 2186 schedule_timeout_uninterruptible(1); 2187 } while (time_before(jiffies, end_time)); 2188 2189 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2190 dev_err(chip->card->dev, 2191 "AC'97 codec is not ready [0x%x]\n", val); 2192 2193 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2194 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2195 VIA_REG_AC97_SECONDARY_VALID | 2196 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2197 end_time = jiffies + msecs_to_jiffies(750); 2198 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2199 VIA_REG_AC97_SECONDARY_VALID | 2200 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2201 do { 2202 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2203 chip->ac97_secondary = 1; 2204 goto __ac97_ok2; 2205 } 2206 schedule_timeout_uninterruptible(1); 2207 } while (time_before(jiffies, end_time)); 2208 /* This is ok, the most of motherboards have only one codec */ 2209 2210 __ac97_ok2: 2211 #endif 2212 2213 if (chip->chip_type == TYPE_VIA686) { 2214 /* route FM trap to IRQ, disable FM trap */ 2215 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2216 /* disable all GPI interrupts */ 2217 outl(0, VIAREG(chip, GPI_INTR)); 2218 } 2219 2220 if (chip->chip_type != TYPE_VIA686) { 2221 /* Workaround for Award BIOS bug: 2222 * DXS channels don't work properly with VRA if MC97 is disabled. 2223 */ 2224 struct pci_dev *pci; 2225 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2226 if (pci) { 2227 unsigned char data; 2228 pci_read_config_byte(pci, 0x44, &data); 2229 pci_write_config_byte(pci, 0x44, data | 0x40); 2230 pci_dev_put(pci); 2231 } 2232 } 2233 2234 if (chip->chip_type != TYPE_VIA8233A) { 2235 int i, idx; 2236 for (idx = 0; idx < 4; idx++) { 2237 unsigned long port = chip->port + 0x10 * idx; 2238 for (i = 0; i < 2; i++) { 2239 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2240 outb(chip->playback_volume_c[i], 2241 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2242 } 2243 } 2244 } 2245 2246 return 0; 2247 } 2248 2249 #ifdef CONFIG_PM_SLEEP 2250 /* 2251 * power management 2252 */ 2253 static int snd_via82xx_suspend(struct device *dev) 2254 { 2255 struct snd_card *card = dev_get_drvdata(dev); 2256 struct via82xx *chip = card->private_data; 2257 int i; 2258 2259 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2260 for (i = 0; i < chip->num_devs; i++) 2261 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2262 synchronize_irq(chip->irq); 2263 snd_ac97_suspend(chip->ac97); 2264 2265 /* save misc values */ 2266 if (chip->chip_type != TYPE_VIA686) { 2267 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2268 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2269 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2270 } 2271 2272 return 0; 2273 } 2274 2275 static int snd_via82xx_resume(struct device *dev) 2276 { 2277 struct snd_card *card = dev_get_drvdata(dev); 2278 struct via82xx *chip = card->private_data; 2279 int i; 2280 2281 snd_via82xx_chip_init(chip); 2282 2283 if (chip->chip_type == TYPE_VIA686) { 2284 if (chip->mpu_port_saved) 2285 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2286 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2287 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2288 } else { 2289 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2290 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2291 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2292 } 2293 2294 snd_ac97_resume(chip->ac97); 2295 2296 for (i = 0; i < chip->num_devs; i++) 2297 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2298 2299 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2300 return 0; 2301 } 2302 2303 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2304 #define SND_VIA82XX_PM_OPS &snd_via82xx_pm 2305 #else 2306 #define SND_VIA82XX_PM_OPS NULL 2307 #endif /* CONFIG_PM_SLEEP */ 2308 2309 static int snd_via82xx_free(struct via82xx *chip) 2310 { 2311 unsigned int i; 2312 2313 if (chip->irq < 0) 2314 goto __end_hw; 2315 /* disable interrupts */ 2316 for (i = 0; i < chip->num_devs; i++) 2317 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2318 2319 if (chip->irq >= 0) 2320 free_irq(chip->irq, chip); 2321 __end_hw: 2322 release_and_free_resource(chip->mpu_res); 2323 pci_release_regions(chip->pci); 2324 2325 if (chip->chip_type == TYPE_VIA686) { 2326 snd_via686_free_gameport(chip); 2327 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2328 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2329 } 2330 pci_disable_device(chip->pci); 2331 kfree(chip); 2332 return 0; 2333 } 2334 2335 static int snd_via82xx_dev_free(struct snd_device *device) 2336 { 2337 struct via82xx *chip = device->device_data; 2338 return snd_via82xx_free(chip); 2339 } 2340 2341 static int snd_via82xx_create(struct snd_card *card, 2342 struct pci_dev *pci, 2343 int chip_type, 2344 int revision, 2345 unsigned int ac97_clock, 2346 struct via82xx **r_via) 2347 { 2348 struct via82xx *chip; 2349 int err; 2350 static struct snd_device_ops ops = { 2351 .dev_free = snd_via82xx_dev_free, 2352 }; 2353 2354 if ((err = pci_enable_device(pci)) < 0) 2355 return err; 2356 2357 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2358 pci_disable_device(pci); 2359 return -ENOMEM; 2360 } 2361 2362 chip->chip_type = chip_type; 2363 chip->revision = revision; 2364 2365 spin_lock_init(&chip->reg_lock); 2366 spin_lock_init(&chip->rates[0].lock); 2367 spin_lock_init(&chip->rates[1].lock); 2368 chip->card = card; 2369 chip->pci = pci; 2370 chip->irq = -1; 2371 2372 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2373 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2374 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2375 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2376 2377 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2378 kfree(chip); 2379 pci_disable_device(pci); 2380 return err; 2381 } 2382 chip->port = pci_resource_start(pci, 0); 2383 if (request_irq(pci->irq, 2384 chip_type == TYPE_VIA8233 ? 2385 snd_via8233_interrupt : snd_via686_interrupt, 2386 IRQF_SHARED, 2387 KBUILD_MODNAME, chip)) { 2388 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2389 snd_via82xx_free(chip); 2390 return -EBUSY; 2391 } 2392 chip->irq = pci->irq; 2393 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2394 chip->ac97_clock = ac97_clock; 2395 synchronize_irq(chip->irq); 2396 2397 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2398 snd_via82xx_free(chip); 2399 return err; 2400 } 2401 2402 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2403 snd_via82xx_free(chip); 2404 return err; 2405 } 2406 2407 /* The 8233 ac97 controller does not implement the master bit 2408 * in the pci command register. IMHO this is a violation of the PCI spec. 2409 * We call pci_set_master here because it does not hurt. */ 2410 pci_set_master(pci); 2411 2412 *r_via = chip; 2413 return 0; 2414 } 2415 2416 struct via823x_info { 2417 int revision; 2418 char *name; 2419 int type; 2420 }; 2421 static struct via823x_info via823x_cards[] = { 2422 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2423 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2424 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2425 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2426 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2427 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2428 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2429 }; 2430 2431 /* 2432 * auto detection of DXS channel supports. 2433 */ 2434 2435 static struct snd_pci_quirk dxs_whitelist[] = { 2436 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2437 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2438 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2439 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2440 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2441 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2442 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2443 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2444 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2445 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2446 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2447 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2448 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2449 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2450 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2451 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2452 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2453 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2454 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2455 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2456 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2457 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2458 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2459 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2460 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2461 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2462 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2463 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2464 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2465 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2466 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2467 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2468 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2469 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2470 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2471 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2472 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2473 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2474 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2475 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2476 { } /* terminator */ 2477 }; 2478 2479 static int check_dxs_list(struct pci_dev *pci, int revision) 2480 { 2481 const struct snd_pci_quirk *w; 2482 2483 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2484 if (w) { 2485 dev_dbg(&pci->dev, "DXS white list for %s found\n", 2486 snd_pci_quirk_name(w)); 2487 return w->value; 2488 } 2489 2490 /* for newer revision, default to DXS_SRC */ 2491 if (revision >= VIA_REV_8235) 2492 return VIA_DXS_SRC; 2493 2494 /* 2495 * not detected, try 48k rate only to be sure. 2496 */ 2497 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2498 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2499 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2500 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2501 return VIA_DXS_48K; 2502 }; 2503 2504 static int snd_via82xx_probe(struct pci_dev *pci, 2505 const struct pci_device_id *pci_id) 2506 { 2507 struct snd_card *card; 2508 struct via82xx *chip; 2509 int chip_type = 0, card_type; 2510 unsigned int i; 2511 int err; 2512 2513 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2514 if (err < 0) 2515 return err; 2516 2517 card_type = pci_id->driver_data; 2518 switch (card_type) { 2519 case TYPE_CARD_VIA686: 2520 strcpy(card->driver, "VIA686A"); 2521 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2522 chip_type = TYPE_VIA686; 2523 break; 2524 case TYPE_CARD_VIA8233: 2525 chip_type = TYPE_VIA8233; 2526 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2527 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2528 if (pci->revision == via823x_cards[i].revision) { 2529 chip_type = via823x_cards[i].type; 2530 strcpy(card->shortname, via823x_cards[i].name); 2531 break; 2532 } 2533 } 2534 if (chip_type != TYPE_VIA8233A) { 2535 if (dxs_support == VIA_DXS_AUTO) 2536 dxs_support = check_dxs_list(pci, pci->revision); 2537 /* force to use VIA8233 or 8233A model according to 2538 * dxs_support module option 2539 */ 2540 if (dxs_support == VIA_DXS_DISABLE) 2541 chip_type = TYPE_VIA8233A; 2542 else 2543 chip_type = TYPE_VIA8233; 2544 } 2545 if (chip_type == TYPE_VIA8233A) 2546 strcpy(card->driver, "VIA8233A"); 2547 else if (pci->revision >= VIA_REV_8237) 2548 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2549 else 2550 strcpy(card->driver, "VIA8233"); 2551 break; 2552 default: 2553 dev_err(card->dev, "invalid card type %d\n", card_type); 2554 err = -EINVAL; 2555 goto __error; 2556 } 2557 2558 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2559 ac97_clock, &chip)) < 0) 2560 goto __error; 2561 card->private_data = chip; 2562 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2563 goto __error; 2564 2565 if (chip_type == TYPE_VIA686) { 2566 if ((err = snd_via686_pcm_new(chip)) < 0 || 2567 (err = snd_via686_init_misc(chip)) < 0) 2568 goto __error; 2569 } else { 2570 if (chip_type == TYPE_VIA8233A) { 2571 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2572 goto __error; 2573 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2574 } else { 2575 if ((err = snd_via8233_pcm_new(chip)) < 0) 2576 goto __error; 2577 if (dxs_support == VIA_DXS_48K) 2578 chip->dxs_fixed = 1; 2579 else if (dxs_support == VIA_DXS_NO_VRA) 2580 chip->no_vra = 1; 2581 else if (dxs_support == VIA_DXS_SRC) { 2582 chip->no_vra = 1; 2583 chip->dxs_src = 1; 2584 } 2585 } 2586 if ((err = snd_via8233_init_misc(chip)) < 0) 2587 goto __error; 2588 } 2589 2590 /* disable interrupts */ 2591 for (i = 0; i < chip->num_devs; i++) 2592 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2593 2594 snprintf(card->longname, sizeof(card->longname), 2595 "%s with %s at %#lx, irq %d", card->shortname, 2596 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2597 2598 snd_via82xx_proc_init(chip); 2599 2600 if ((err = snd_card_register(card)) < 0) { 2601 snd_card_free(card); 2602 return err; 2603 } 2604 pci_set_drvdata(pci, card); 2605 return 0; 2606 2607 __error: 2608 snd_card_free(card); 2609 return err; 2610 } 2611 2612 static void snd_via82xx_remove(struct pci_dev *pci) 2613 { 2614 snd_card_free(pci_get_drvdata(pci)); 2615 } 2616 2617 static struct pci_driver via82xx_driver = { 2618 .name = KBUILD_MODNAME, 2619 .id_table = snd_via82xx_ids, 2620 .probe = snd_via82xx_probe, 2621 .remove = snd_via82xx_remove, 2622 .driver = { 2623 .pm = SND_VIA82XX_PM_OPS, 2624 }, 2625 }; 2626 2627 module_pci_driver(via82xx_driver); 2628