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 #ifdef CONFIG_PM_SLEEP 351 unsigned char legacy_saved; 352 unsigned char legacy_cfg_saved; 353 unsigned char spdif_ctrl_saved; 354 unsigned char capture_src_saved[2]; 355 unsigned int mpu_port_saved; 356 #endif 357 358 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 359 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 360 361 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 362 363 struct pci_dev *pci; 364 struct snd_card *card; 365 366 unsigned int num_devs; 367 unsigned int playback_devno, multi_devno, capture_devno; 368 struct viadev devs[VIA_MAX_DEVS]; 369 struct via_rate_lock rates[2]; /* playback and capture */ 370 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 371 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 372 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 373 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 374 375 struct snd_pcm *pcms[2]; 376 struct snd_rawmidi *rmidi; 377 struct snd_kcontrol *dxs_controls[4]; 378 379 struct snd_ac97_bus *ac97_bus; 380 struct snd_ac97 *ac97; 381 unsigned int ac97_clock; 382 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 383 384 spinlock_t reg_lock; 385 struct snd_info_entry *proc_entry; 386 387 #ifdef SUPPORT_JOYSTICK 388 struct gameport *gameport; 389 #endif 390 }; 391 392 static const struct pci_device_id snd_via82xx_ids[] = { 393 /* 0x1106, 0x3058 */ 394 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 395 /* 0x1106, 0x3059 */ 396 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 397 { 0, } 398 }; 399 400 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 401 402 /* 403 */ 404 405 /* 406 * allocate and initialize the descriptor buffers 407 * periods = number of periods 408 * fragsize = period size in bytes 409 */ build_via_table(struct viadev * dev,struct snd_pcm_substream * substream,struct pci_dev * pci,unsigned int periods,unsigned int fragsize)410 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 411 struct pci_dev *pci, 412 unsigned int periods, unsigned int fragsize) 413 { 414 unsigned int i, idx, ofs, rest; 415 struct via82xx *chip = snd_pcm_substream_chip(substream); 416 __le32 *pgtbl; 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, &chip->pci->dev, 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 pgtbl = (__le32 *)dev->table.area; 439 for (i = 0; i < periods; i++) { 440 rest = fragsize; 441 /* fill descriptors for a period. 442 * a period can be split to several descriptors if it's 443 * over page boundary. 444 */ 445 do { 446 unsigned int r; 447 unsigned int flag; 448 unsigned int addr; 449 450 if (idx >= VIA_TABLE_SIZE) { 451 dev_err(&pci->dev, "too much table size!\n"); 452 return -EINVAL; 453 } 454 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 455 pgtbl[idx << 1] = cpu_to_le32(addr); 456 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 457 rest -= r; 458 if (! rest) { 459 if (i == periods - 1) 460 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 461 else 462 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 463 } else 464 flag = 0; /* period continues to the next */ 465 /* 466 dev_dbg(&pci->dev, 467 "tbl %d: at %d size %d (rest %d)\n", 468 idx, ofs, r, rest); 469 */ 470 pgtbl[(idx<<1) + 1] = cpu_to_le32(r | flag); 471 dev->idx_table[idx].offset = ofs; 472 dev->idx_table[idx].size = r; 473 ofs += r; 474 idx++; 475 } while (rest > 0); 476 } 477 dev->tbl_entries = idx; 478 dev->bufsize = periods * fragsize; 479 dev->bufsize2 = dev->bufsize / 2; 480 dev->fragsize = fragsize; 481 return 0; 482 } 483 484 clean_via_table(struct viadev * dev,struct snd_pcm_substream * substream,struct pci_dev * pci)485 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 486 struct pci_dev *pci) 487 { 488 if (dev->table.area) { 489 snd_dma_free_pages(&dev->table); 490 dev->table.area = NULL; 491 } 492 kfree(dev->idx_table); 493 dev->idx_table = NULL; 494 return 0; 495 } 496 497 /* 498 * Basic I/O 499 */ 500 snd_via82xx_codec_xread(struct via82xx * chip)501 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 502 { 503 return inl(VIAREG(chip, AC97)); 504 } 505 snd_via82xx_codec_xwrite(struct via82xx * chip,unsigned int val)506 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 507 { 508 outl(val, VIAREG(chip, AC97)); 509 } 510 snd_via82xx_codec_ready(struct via82xx * chip,int secondary)511 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 512 { 513 unsigned int timeout = 1000; /* 1ms */ 514 unsigned int val; 515 516 while (timeout-- > 0) { 517 udelay(1); 518 val = snd_via82xx_codec_xread(chip); 519 if (!(val & VIA_REG_AC97_BUSY)) 520 return val & 0xffff; 521 } 522 dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", 523 secondary, snd_via82xx_codec_xread(chip)); 524 return -EIO; 525 } 526 snd_via82xx_codec_valid(struct via82xx * chip,int secondary)527 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 528 { 529 unsigned int timeout = 1000; /* 1ms */ 530 unsigned int val, val1; 531 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 532 VIA_REG_AC97_SECONDARY_VALID; 533 534 while (timeout-- > 0) { 535 val = snd_via82xx_codec_xread(chip); 536 val1 = val & (VIA_REG_AC97_BUSY | stat); 537 if (val1 == stat) 538 return val & 0xffff; 539 udelay(1); 540 } 541 return -EIO; 542 } 543 snd_via82xx_codec_wait(struct snd_ac97 * ac97)544 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 545 { 546 struct via82xx *chip = ac97->private_data; 547 __always_unused int err; 548 err = snd_via82xx_codec_ready(chip, ac97->num); 549 /* here we need to wait fairly for long time.. */ 550 if (!nodelay) 551 msleep(500); 552 } 553 snd_via82xx_codec_write(struct snd_ac97 * ac97,unsigned short reg,unsigned short val)554 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 555 unsigned short reg, 556 unsigned short val) 557 { 558 struct via82xx *chip = ac97->private_data; 559 unsigned int xval; 560 561 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 562 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 563 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 564 xval |= val << VIA_REG_AC97_DATA_SHIFT; 565 snd_via82xx_codec_xwrite(chip, xval); 566 snd_via82xx_codec_ready(chip, ac97->num); 567 } 568 snd_via82xx_codec_read(struct snd_ac97 * ac97,unsigned short reg)569 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 570 { 571 struct via82xx *chip = ac97->private_data; 572 unsigned int xval, val = 0xffff; 573 int again = 0; 574 575 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 576 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 577 xval |= VIA_REG_AC97_READ; 578 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 579 while (1) { 580 if (again++ > 3) { 581 dev_err(chip->card->dev, 582 "codec_read: codec %i is not valid [0x%x]\n", 583 ac97->num, snd_via82xx_codec_xread(chip)); 584 return 0xffff; 585 } 586 snd_via82xx_codec_xwrite(chip, xval); 587 udelay (20); 588 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 589 udelay(25); 590 val = snd_via82xx_codec_xread(chip); 591 break; 592 } 593 } 594 return val & 0xffff; 595 } 596 snd_via82xx_channel_reset(struct via82xx * chip,struct viadev * viadev)597 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 598 { 599 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 600 VIADEV_REG(viadev, OFFSET_CONTROL)); 601 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 602 udelay(50); 603 /* disable interrupts */ 604 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 605 /* clear interrupts */ 606 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 607 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 608 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 609 viadev->lastpos = 0; 610 viadev->hwptr_done = 0; 611 } 612 613 614 /* 615 * Interrupt handler 616 * Used for 686 and 8233A 617 */ snd_via686_interrupt(int irq,void * dev_id)618 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 619 { 620 struct via82xx *chip = dev_id; 621 unsigned int status; 622 unsigned int i; 623 624 status = inl(VIAREG(chip, SGD_SHADOW)); 625 if (! (status & chip->intr_mask)) { 626 if (chip->rmidi) 627 /* check mpu401 interrupt */ 628 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 629 return IRQ_NONE; 630 } 631 632 /* check status for each stream */ 633 spin_lock(&chip->reg_lock); 634 for (i = 0; i < chip->num_devs; i++) { 635 struct viadev *viadev = &chip->devs[i]; 636 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 637 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 638 continue; 639 if (viadev->substream && viadev->running) { 640 /* 641 * Update hwptr_done based on 'period elapsed' 642 * interrupts. We'll use it, when the chip returns 0 643 * for OFFSET_CURR_COUNT. 644 */ 645 if (c_status & VIA_REG_STAT_EOL) 646 viadev->hwptr_done = 0; 647 else 648 viadev->hwptr_done += viadev->fragsize; 649 viadev->in_interrupt = c_status; 650 spin_unlock(&chip->reg_lock); 651 snd_pcm_period_elapsed(viadev->substream); 652 spin_lock(&chip->reg_lock); 653 viadev->in_interrupt = 0; 654 } 655 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 656 } 657 spin_unlock(&chip->reg_lock); 658 return IRQ_HANDLED; 659 } 660 661 /* 662 * Interrupt handler 663 */ snd_via8233_interrupt(int irq,void * dev_id)664 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 665 { 666 struct via82xx *chip = dev_id; 667 unsigned int status; 668 unsigned int i; 669 int irqreturn = 0; 670 671 /* check status for each stream */ 672 spin_lock(&chip->reg_lock); 673 status = inl(VIAREG(chip, SGD_SHADOW)); 674 675 for (i = 0; i < chip->num_devs; i++) { 676 struct viadev *viadev = &chip->devs[i]; 677 struct snd_pcm_substream *substream; 678 unsigned char c_status, shadow_status; 679 680 shadow_status = (status >> viadev->shadow_shift) & 681 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 682 VIA_REG_STAT_FLAG); 683 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 684 if (!c_status) 685 continue; 686 687 substream = viadev->substream; 688 if (substream && viadev->running) { 689 /* 690 * Update hwptr_done based on 'period elapsed' 691 * interrupts. We'll use it, when the chip returns 0 692 * for OFFSET_CURR_COUNT. 693 */ 694 if (c_status & VIA_REG_STAT_EOL) 695 viadev->hwptr_done = 0; 696 else 697 viadev->hwptr_done += viadev->fragsize; 698 viadev->in_interrupt = c_status; 699 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 700 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 701 spin_unlock(&chip->reg_lock); 702 703 snd_pcm_period_elapsed(substream); 704 705 spin_lock(&chip->reg_lock); 706 viadev->in_interrupt = 0; 707 } 708 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 709 irqreturn = 1; 710 } 711 spin_unlock(&chip->reg_lock); 712 return IRQ_RETVAL(irqreturn); 713 } 714 715 /* 716 * PCM callbacks 717 */ 718 719 /* 720 * trigger callback 721 */ snd_via82xx_pcm_trigger(struct snd_pcm_substream * substream,int cmd)722 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 723 { 724 struct via82xx *chip = snd_pcm_substream_chip(substream); 725 struct viadev *viadev = substream->runtime->private_data; 726 unsigned char val; 727 728 if (chip->chip_type != TYPE_VIA686) 729 val = VIA_REG_CTRL_INT; 730 else 731 val = 0; 732 switch (cmd) { 733 case SNDRV_PCM_TRIGGER_START: 734 case SNDRV_PCM_TRIGGER_RESUME: 735 val |= VIA_REG_CTRL_START; 736 viadev->running = 1; 737 break; 738 case SNDRV_PCM_TRIGGER_STOP: 739 case SNDRV_PCM_TRIGGER_SUSPEND: 740 val = VIA_REG_CTRL_TERMINATE; 741 viadev->running = 0; 742 break; 743 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 744 val |= VIA_REG_CTRL_PAUSE; 745 viadev->running = 0; 746 break; 747 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 748 viadev->running = 1; 749 break; 750 default: 751 return -EINVAL; 752 } 753 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 754 if (cmd == SNDRV_PCM_TRIGGER_STOP) 755 snd_via82xx_channel_reset(chip, viadev); 756 return 0; 757 } 758 759 760 /* 761 * pointer callbacks 762 */ 763 764 /* 765 * calculate the linear position at the given sg-buffer index and the rest count 766 */ 767 768 #define check_invalid_pos(viadev,pos) \ 769 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 770 viadev->lastpos < viadev->bufsize2)) 771 calc_linear_pos(struct via82xx * chip,struct viadev * viadev,unsigned int idx,unsigned int count)772 static inline unsigned int calc_linear_pos(struct via82xx *chip, 773 struct viadev *viadev, 774 unsigned int idx, 775 unsigned int count) 776 { 777 unsigned int size, base, res; 778 779 size = viadev->idx_table[idx].size; 780 base = viadev->idx_table[idx].offset; 781 res = base + size - count; 782 if (res >= viadev->bufsize) 783 res -= viadev->bufsize; 784 785 /* check the validity of the calculated position */ 786 if (size < count) { 787 dev_dbg(chip->card->dev, 788 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 789 (int)size, (int)count); 790 res = viadev->lastpos; 791 } else { 792 if (! count) { 793 /* Some mobos report count = 0 on the DMA boundary, 794 * i.e. count = size indeed. 795 * Let's check whether this step is above the expected size. 796 */ 797 int delta = res - viadev->lastpos; 798 if (delta < 0) 799 delta += viadev->bufsize; 800 if ((unsigned int)delta > viadev->fragsize) 801 res = base; 802 } 803 if (check_invalid_pos(viadev, res)) { 804 #ifdef POINTER_DEBUG 805 dev_dbg(chip->card->dev, 806 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 807 idx, viadev->tbl_entries, 808 viadev->lastpos, viadev->bufsize2, 809 viadev->idx_table[idx].offset, 810 viadev->idx_table[idx].size, count); 811 #endif 812 /* count register returns full size when end of buffer is reached */ 813 res = base + size; 814 if (check_invalid_pos(viadev, res)) { 815 dev_dbg(chip->card->dev, 816 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 817 res = viadev->lastpos; 818 } 819 } 820 } 821 return res; 822 } 823 824 /* 825 * get the current pointer on via686 826 */ snd_via686_pcm_pointer(struct snd_pcm_substream * substream)827 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 828 { 829 struct via82xx *chip = snd_pcm_substream_chip(substream); 830 struct viadev *viadev = substream->runtime->private_data; 831 unsigned int idx, ptr, count, res; 832 833 if (snd_BUG_ON(!viadev->tbl_entries)) 834 return 0; 835 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 836 return 0; 837 838 spin_lock(&chip->reg_lock); 839 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 840 /* The via686a does not have the current index register, 841 * so we need to calculate the index from CURR_PTR. 842 */ 843 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 844 if (ptr <= (unsigned int)viadev->table.addr) 845 idx = 0; 846 else /* CURR_PTR holds the address + 8 */ 847 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 848 res = calc_linear_pos(chip, viadev, idx, count); 849 viadev->lastpos = res; /* remember the last position */ 850 spin_unlock(&chip->reg_lock); 851 852 return bytes_to_frames(substream->runtime, res); 853 } 854 855 /* 856 * get the current pointer on via823x 857 */ snd_via8233_pcm_pointer(struct snd_pcm_substream * substream)858 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 859 { 860 struct via82xx *chip = snd_pcm_substream_chip(substream); 861 struct viadev *viadev = substream->runtime->private_data; 862 unsigned int idx, count, res; 863 int status; 864 865 if (snd_BUG_ON(!viadev->tbl_entries)) 866 return 0; 867 868 spin_lock(&chip->reg_lock); 869 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 870 status = viadev->in_interrupt; 871 if (!status) 872 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 873 874 /* An apparent bug in the 8251 is worked around by sending a 875 * REG_CTRL_START. */ 876 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 877 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 878 879 if (!(status & VIA_REG_STAT_ACTIVE)) { 880 res = 0; 881 goto unlock; 882 } 883 if (count & 0xffffff) { 884 idx = count >> 24; 885 if (idx >= viadev->tbl_entries) { 886 #ifdef POINTER_DEBUG 887 dev_dbg(chip->card->dev, 888 "fail: invalid idx = %i/%i\n", idx, 889 viadev->tbl_entries); 890 #endif 891 res = viadev->lastpos; 892 } else { 893 count &= 0xffffff; 894 res = calc_linear_pos(chip, viadev, idx, count); 895 } 896 } else { 897 res = viadev->hwptr_done; 898 if (!viadev->in_interrupt) { 899 if (status & VIA_REG_STAT_EOL) { 900 res = 0; 901 } else 902 if (status & VIA_REG_STAT_FLAG) { 903 res += viadev->fragsize; 904 } 905 } 906 } 907 unlock: 908 viadev->lastpos = res; 909 spin_unlock(&chip->reg_lock); 910 911 return bytes_to_frames(substream->runtime, res); 912 } 913 914 915 /* 916 * hw_params callback: 917 * allocate the buffer and build up the buffer description table 918 */ snd_via82xx_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * hw_params)919 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 920 struct snd_pcm_hw_params *hw_params) 921 { 922 struct via82xx *chip = snd_pcm_substream_chip(substream); 923 struct viadev *viadev = substream->runtime->private_data; 924 925 return build_via_table(viadev, substream, chip->pci, 926 params_periods(hw_params), 927 params_period_bytes(hw_params)); 928 } 929 930 /* 931 * hw_free callback: 932 * clean up the buffer description table and release the buffer 933 */ snd_via82xx_hw_free(struct snd_pcm_substream * substream)934 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 935 { 936 struct via82xx *chip = snd_pcm_substream_chip(substream); 937 struct viadev *viadev = substream->runtime->private_data; 938 939 clean_via_table(viadev, substream, chip->pci); 940 return 0; 941 } 942 943 944 /* 945 * set up the table pointer 946 */ snd_via82xx_set_table_ptr(struct via82xx * chip,struct viadev * viadev)947 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 948 { 949 snd_via82xx_codec_ready(chip, 0); 950 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 951 udelay(20); 952 snd_via82xx_codec_ready(chip, 0); 953 } 954 955 /* 956 * prepare callback for playback and capture on via686 957 */ via686_setup_format(struct via82xx * chip,struct viadev * viadev,struct snd_pcm_runtime * runtime)958 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 959 struct snd_pcm_runtime *runtime) 960 { 961 snd_via82xx_channel_reset(chip, viadev); 962 /* this must be set after channel_reset */ 963 snd_via82xx_set_table_ptr(chip, viadev); 964 outb(VIA_REG_TYPE_AUTOSTART | 965 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 966 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 967 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 968 VIA_REG_TYPE_INT_EOL | 969 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 970 } 971 snd_via686_playback_prepare(struct snd_pcm_substream * substream)972 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 973 { 974 struct via82xx *chip = snd_pcm_substream_chip(substream); 975 struct viadev *viadev = substream->runtime->private_data; 976 struct snd_pcm_runtime *runtime = substream->runtime; 977 978 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 979 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 980 via686_setup_format(chip, viadev, runtime); 981 return 0; 982 } 983 snd_via686_capture_prepare(struct snd_pcm_substream * substream)984 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 985 { 986 struct via82xx *chip = snd_pcm_substream_chip(substream); 987 struct viadev *viadev = substream->runtime->private_data; 988 struct snd_pcm_runtime *runtime = substream->runtime; 989 990 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 991 via686_setup_format(chip, viadev, runtime); 992 return 0; 993 } 994 995 /* 996 * lock the current rate 997 */ via_lock_rate(struct via_rate_lock * rec,int rate)998 static int via_lock_rate(struct via_rate_lock *rec, int rate) 999 { 1000 int changed = 0; 1001 1002 spin_lock_irq(&rec->lock); 1003 if (rec->rate != rate) { 1004 if (rec->rate && rec->used > 1) /* already set */ 1005 changed = -EINVAL; 1006 else { 1007 rec->rate = rate; 1008 changed = 1; 1009 } 1010 } 1011 spin_unlock_irq(&rec->lock); 1012 return changed; 1013 } 1014 1015 /* 1016 * prepare callback for DSX playback on via823x 1017 */ snd_via8233_playback_prepare(struct snd_pcm_substream * substream)1018 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1019 { 1020 struct via82xx *chip = snd_pcm_substream_chip(substream); 1021 struct viadev *viadev = substream->runtime->private_data; 1022 struct snd_pcm_runtime *runtime = substream->runtime; 1023 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1024 int rate_changed; 1025 u32 rbits; 1026 1027 rate_changed = via_lock_rate(&chip->rates[0], ac97_rate); 1028 if (rate_changed < 0) 1029 return rate_changed; 1030 if (rate_changed) 1031 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1032 chip->no_vra ? 48000 : runtime->rate); 1033 if (chip->spdif_on && viadev->reg_offset == 0x30) 1034 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1035 1036 if (runtime->rate == 48000) 1037 rbits = 0xfffff; 1038 else 1039 rbits = (0x100000 / 48000) * runtime->rate + 1040 ((0x100000 % 48000) * runtime->rate) / 48000; 1041 snd_BUG_ON(rbits & ~0xfffff); 1042 snd_via82xx_channel_reset(chip, viadev); 1043 snd_via82xx_set_table_ptr(chip, viadev); 1044 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1045 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1046 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1047 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1048 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1049 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1050 rbits | /* rate */ 1051 0xff000000, /* STOP index is never reached */ 1052 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1053 udelay(20); 1054 snd_via82xx_codec_ready(chip, 0); 1055 return 0; 1056 } 1057 1058 /* 1059 * prepare callback for multi-channel playback on via823x 1060 */ snd_via8233_multi_prepare(struct snd_pcm_substream * substream)1061 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1062 { 1063 struct via82xx *chip = snd_pcm_substream_chip(substream); 1064 struct viadev *viadev = substream->runtime->private_data; 1065 struct snd_pcm_runtime *runtime = substream->runtime; 1066 unsigned int slots; 1067 int fmt; 1068 1069 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1070 return -EINVAL; 1071 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1072 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1073 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1074 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1075 snd_via82xx_channel_reset(chip, viadev); 1076 snd_via82xx_set_table_ptr(chip, viadev); 1077 1078 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1079 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1080 fmt |= runtime->channels << 4; 1081 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1082 #if 0 1083 if (chip->revision == VIA_REV_8233A) 1084 slots = 0; 1085 else 1086 #endif 1087 { 1088 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1089 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1090 switch (runtime->channels) { 1091 case 1: slots = (1<<0) | (1<<4); break; 1092 case 2: slots = (1<<0) | (2<<4); break; 1093 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1094 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1095 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1096 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1097 default: slots = 0; break; 1098 } 1099 } 1100 /* STOP index is never reached */ 1101 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1102 udelay(20); 1103 snd_via82xx_codec_ready(chip, 0); 1104 return 0; 1105 } 1106 1107 /* 1108 * prepare callback for capture on via823x 1109 */ snd_via8233_capture_prepare(struct snd_pcm_substream * substream)1110 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1111 { 1112 struct via82xx *chip = snd_pcm_substream_chip(substream); 1113 struct viadev *viadev = substream->runtime->private_data; 1114 struct snd_pcm_runtime *runtime = substream->runtime; 1115 1116 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1117 return -EINVAL; 1118 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1119 snd_via82xx_channel_reset(chip, viadev); 1120 snd_via82xx_set_table_ptr(chip, viadev); 1121 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1122 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1123 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1124 0xff000000, /* STOP index is never reached */ 1125 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1126 udelay(20); 1127 snd_via82xx_codec_ready(chip, 0); 1128 return 0; 1129 } 1130 1131 1132 /* 1133 * pcm hardware definition, identical for both playback and capture 1134 */ 1135 static const struct snd_pcm_hardware snd_via82xx_hw = 1136 { 1137 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1138 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1139 SNDRV_PCM_INFO_MMAP_VALID | 1140 /* SNDRV_PCM_INFO_RESUME | */ 1141 SNDRV_PCM_INFO_PAUSE), 1142 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1143 .rates = SNDRV_PCM_RATE_48000, 1144 .rate_min = 48000, 1145 .rate_max = 48000, 1146 .channels_min = 1, 1147 .channels_max = 2, 1148 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1149 .period_bytes_min = 32, 1150 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1151 .periods_min = 2, 1152 .periods_max = VIA_TABLE_SIZE / 2, 1153 .fifo_size = 0, 1154 }; 1155 1156 1157 /* 1158 * open callback skeleton 1159 */ snd_via82xx_pcm_open(struct via82xx * chip,struct viadev * viadev,struct snd_pcm_substream * substream)1160 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1161 struct snd_pcm_substream *substream) 1162 { 1163 struct snd_pcm_runtime *runtime = substream->runtime; 1164 int err; 1165 struct via_rate_lock *ratep; 1166 bool use_src = false; 1167 1168 runtime->hw = snd_via82xx_hw; 1169 1170 /* set the hw rate condition */ 1171 ratep = &chip->rates[viadev->direction]; 1172 spin_lock_irq(&ratep->lock); 1173 ratep->used++; 1174 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1175 /* DXS#3 and spdif is on */ 1176 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1177 snd_pcm_limit_hw_rates(runtime); 1178 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1179 /* fixed DXS playback rate */ 1180 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1181 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1182 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1183 /* use full SRC capabilities of DXS */ 1184 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1185 SNDRV_PCM_RATE_8000_48000); 1186 runtime->hw.rate_min = 8000; 1187 runtime->hw.rate_max = 48000; 1188 use_src = true; 1189 } else if (! ratep->rate) { 1190 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1191 runtime->hw.rates = chip->ac97->rates[idx]; 1192 snd_pcm_limit_hw_rates(runtime); 1193 } else { 1194 /* a fixed rate */ 1195 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1196 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1197 } 1198 spin_unlock_irq(&ratep->lock); 1199 1200 /* we may remove following constaint when we modify table entries 1201 in interrupt */ 1202 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 1203 if (err < 0) 1204 return err; 1205 1206 if (use_src) { 1207 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1208 if (err < 0) 1209 return err; 1210 } 1211 1212 runtime->private_data = viadev; 1213 viadev->substream = substream; 1214 1215 return 0; 1216 } 1217 1218 1219 /* 1220 * open callback for playback on via686 1221 */ snd_via686_playback_open(struct snd_pcm_substream * substream)1222 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1223 { 1224 struct via82xx *chip = snd_pcm_substream_chip(substream); 1225 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1226 int err; 1227 1228 err = snd_via82xx_pcm_open(chip, viadev, substream); 1229 if (err < 0) 1230 return err; 1231 return 0; 1232 } 1233 1234 /* 1235 * open callback for playback on via823x DXS 1236 */ snd_via8233_playback_open(struct snd_pcm_substream * substream)1237 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1238 { 1239 struct via82xx *chip = snd_pcm_substream_chip(substream); 1240 struct viadev *viadev; 1241 unsigned int stream; 1242 int err; 1243 1244 viadev = &chip->devs[chip->playback_devno + substream->number]; 1245 err = snd_via82xx_pcm_open(chip, viadev, substream); 1246 if (err < 0) 1247 return err; 1248 stream = viadev->reg_offset / 0x10; 1249 if (chip->dxs_controls[stream]) { 1250 chip->playback_volume[stream][0] = 1251 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1252 chip->playback_volume[stream][1] = 1253 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1254 chip->dxs_controls[stream]->vd[0].access &= 1255 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1256 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1257 SNDRV_CTL_EVENT_MASK_INFO, 1258 &chip->dxs_controls[stream]->id); 1259 } 1260 return 0; 1261 } 1262 1263 /* 1264 * open callback for playback on via823x multi-channel 1265 */ snd_via8233_multi_open(struct snd_pcm_substream * substream)1266 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1267 { 1268 struct via82xx *chip = snd_pcm_substream_chip(substream); 1269 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1270 int err; 1271 /* channels constraint for VIA8233A 1272 * 3 and 5 channels are not supported 1273 */ 1274 static const unsigned int channels[] = { 1275 1, 2, 4, 6 1276 }; 1277 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1278 .count = ARRAY_SIZE(channels), 1279 .list = channels, 1280 .mask = 0, 1281 }; 1282 1283 err = snd_via82xx_pcm_open(chip, viadev, substream); 1284 if (err < 0) 1285 return err; 1286 substream->runtime->hw.channels_max = 6; 1287 if (chip->revision == VIA_REV_8233A) 1288 snd_pcm_hw_constraint_list(substream->runtime, 0, 1289 SNDRV_PCM_HW_PARAM_CHANNELS, 1290 &hw_constraints_channels); 1291 return 0; 1292 } 1293 1294 /* 1295 * open callback for capture on via686 and via823x 1296 */ snd_via82xx_capture_open(struct snd_pcm_substream * substream)1297 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1298 { 1299 struct via82xx *chip = snd_pcm_substream_chip(substream); 1300 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1301 1302 return snd_via82xx_pcm_open(chip, viadev, substream); 1303 } 1304 1305 /* 1306 * close callback 1307 */ snd_via82xx_pcm_close(struct snd_pcm_substream * substream)1308 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1309 { 1310 struct via82xx *chip = snd_pcm_substream_chip(substream); 1311 struct viadev *viadev = substream->runtime->private_data; 1312 struct via_rate_lock *ratep; 1313 1314 /* release the rate lock */ 1315 ratep = &chip->rates[viadev->direction]; 1316 spin_lock_irq(&ratep->lock); 1317 ratep->used--; 1318 if (! ratep->used) 1319 ratep->rate = 0; 1320 spin_unlock_irq(&ratep->lock); 1321 if (! ratep->rate) { 1322 if (! viadev->direction) { 1323 snd_ac97_update_power(chip->ac97, 1324 AC97_PCM_FRONT_DAC_RATE, 0); 1325 snd_ac97_update_power(chip->ac97, 1326 AC97_PCM_SURR_DAC_RATE, 0); 1327 snd_ac97_update_power(chip->ac97, 1328 AC97_PCM_LFE_DAC_RATE, 0); 1329 } else 1330 snd_ac97_update_power(chip->ac97, 1331 AC97_PCM_LR_ADC_RATE, 0); 1332 } 1333 viadev->substream = NULL; 1334 return 0; 1335 } 1336 snd_via8233_playback_close(struct snd_pcm_substream * substream)1337 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1338 { 1339 struct via82xx *chip = snd_pcm_substream_chip(substream); 1340 struct viadev *viadev = substream->runtime->private_data; 1341 unsigned int stream; 1342 1343 stream = viadev->reg_offset / 0x10; 1344 if (chip->dxs_controls[stream]) { 1345 chip->dxs_controls[stream]->vd[0].access |= 1346 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1347 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1348 &chip->dxs_controls[stream]->id); 1349 } 1350 return snd_via82xx_pcm_close(substream); 1351 } 1352 1353 1354 /* via686 playback callbacks */ 1355 static const struct snd_pcm_ops snd_via686_playback_ops = { 1356 .open = snd_via686_playback_open, 1357 .close = snd_via82xx_pcm_close, 1358 .hw_params = snd_via82xx_hw_params, 1359 .hw_free = snd_via82xx_hw_free, 1360 .prepare = snd_via686_playback_prepare, 1361 .trigger = snd_via82xx_pcm_trigger, 1362 .pointer = snd_via686_pcm_pointer, 1363 }; 1364 1365 /* via686 capture callbacks */ 1366 static const struct snd_pcm_ops snd_via686_capture_ops = { 1367 .open = snd_via82xx_capture_open, 1368 .close = snd_via82xx_pcm_close, 1369 .hw_params = snd_via82xx_hw_params, 1370 .hw_free = snd_via82xx_hw_free, 1371 .prepare = snd_via686_capture_prepare, 1372 .trigger = snd_via82xx_pcm_trigger, 1373 .pointer = snd_via686_pcm_pointer, 1374 }; 1375 1376 /* via823x DSX playback callbacks */ 1377 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1378 .open = snd_via8233_playback_open, 1379 .close = snd_via8233_playback_close, 1380 .hw_params = snd_via82xx_hw_params, 1381 .hw_free = snd_via82xx_hw_free, 1382 .prepare = snd_via8233_playback_prepare, 1383 .trigger = snd_via82xx_pcm_trigger, 1384 .pointer = snd_via8233_pcm_pointer, 1385 }; 1386 1387 /* via823x multi-channel playback callbacks */ 1388 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1389 .open = snd_via8233_multi_open, 1390 .close = snd_via82xx_pcm_close, 1391 .hw_params = snd_via82xx_hw_params, 1392 .hw_free = snd_via82xx_hw_free, 1393 .prepare = snd_via8233_multi_prepare, 1394 .trigger = snd_via82xx_pcm_trigger, 1395 .pointer = snd_via8233_pcm_pointer, 1396 }; 1397 1398 /* via823x capture callbacks */ 1399 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1400 .open = snd_via82xx_capture_open, 1401 .close = snd_via82xx_pcm_close, 1402 .hw_params = snd_via82xx_hw_params, 1403 .hw_free = snd_via82xx_hw_free, 1404 .prepare = snd_via8233_capture_prepare, 1405 .trigger = snd_via82xx_pcm_trigger, 1406 .pointer = snd_via8233_pcm_pointer, 1407 }; 1408 1409 init_viadev(struct via82xx * chip,int idx,unsigned int reg_offset,int shadow_pos,int direction)1410 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1411 int shadow_pos, int direction) 1412 { 1413 chip->devs[idx].reg_offset = reg_offset; 1414 chip->devs[idx].shadow_shift = shadow_pos * 4; 1415 chip->devs[idx].direction = direction; 1416 chip->devs[idx].port = chip->port + reg_offset; 1417 } 1418 1419 /* 1420 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1421 */ snd_via8233_pcm_new(struct via82xx * chip)1422 static int snd_via8233_pcm_new(struct via82xx *chip) 1423 { 1424 struct snd_pcm *pcm; 1425 struct snd_pcm_chmap *chmap; 1426 int i, err; 1427 1428 chip->playback_devno = 0; /* x 4 */ 1429 chip->multi_devno = 4; /* x 1 */ 1430 chip->capture_devno = 5; /* x 2 */ 1431 chip->num_devs = 7; 1432 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1433 1434 /* PCM #0: 4 DSX playbacks and 1 capture */ 1435 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1436 if (err < 0) 1437 return err; 1438 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1439 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1440 pcm->private_data = chip; 1441 strcpy(pcm->name, chip->card->shortname); 1442 chip->pcms[0] = pcm; 1443 /* set up playbacks */ 1444 for (i = 0; i < 4; i++) 1445 init_viadev(chip, i, 0x10 * i, i, 0); 1446 /* capture */ 1447 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1448 1449 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1450 &chip->pci->dev, 1451 64*1024, VIA_MAX_BUFSIZE); 1452 1453 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1454 snd_pcm_std_chmaps, 2, 0, 1455 &chmap); 1456 if (err < 0) 1457 return err; 1458 1459 /* PCM #1: multi-channel playback and 2nd capture */ 1460 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1461 if (err < 0) 1462 return err; 1463 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1464 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1465 pcm->private_data = chip; 1466 strcpy(pcm->name, chip->card->shortname); 1467 chip->pcms[1] = pcm; 1468 /* set up playback */ 1469 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1470 /* set up capture */ 1471 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1472 1473 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1474 &chip->pci->dev, 1475 64*1024, VIA_MAX_BUFSIZE); 1476 1477 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1478 snd_pcm_alt_chmaps, 6, 0, 1479 &chmap); 1480 if (err < 0) 1481 return err; 1482 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1483 1484 return 0; 1485 } 1486 1487 /* 1488 * create pcm instances for VIA8233A 1489 */ snd_via8233a_pcm_new(struct via82xx * chip)1490 static int snd_via8233a_pcm_new(struct via82xx *chip) 1491 { 1492 struct snd_pcm *pcm; 1493 struct snd_pcm_chmap *chmap; 1494 int err; 1495 1496 chip->multi_devno = 0; 1497 chip->playback_devno = 1; 1498 chip->capture_devno = 2; 1499 chip->num_devs = 3; 1500 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1501 1502 /* PCM #0: multi-channel playback and capture */ 1503 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1504 if (err < 0) 1505 return err; 1506 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1507 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1508 pcm->private_data = chip; 1509 strcpy(pcm->name, chip->card->shortname); 1510 chip->pcms[0] = pcm; 1511 /* set up playback */ 1512 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1513 /* capture */ 1514 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1515 1516 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1517 &chip->pci->dev, 1518 64*1024, VIA_MAX_BUFSIZE); 1519 1520 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1521 snd_pcm_alt_chmaps, 6, 0, 1522 &chmap); 1523 if (err < 0) 1524 return err; 1525 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1526 1527 /* SPDIF supported? */ 1528 if (! ac97_can_spdif(chip->ac97)) 1529 return 0; 1530 1531 /* PCM #1: DXS3 playback (for spdif) */ 1532 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1533 if (err < 0) 1534 return err; 1535 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1536 pcm->private_data = chip; 1537 strcpy(pcm->name, chip->card->shortname); 1538 chip->pcms[1] = pcm; 1539 /* set up playback */ 1540 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1541 1542 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1543 &chip->pci->dev, 1544 64*1024, VIA_MAX_BUFSIZE); 1545 return 0; 1546 } 1547 1548 /* 1549 * create a pcm instance for via686a/b 1550 */ snd_via686_pcm_new(struct via82xx * chip)1551 static int snd_via686_pcm_new(struct via82xx *chip) 1552 { 1553 struct snd_pcm *pcm; 1554 int err; 1555 1556 chip->playback_devno = 0; 1557 chip->capture_devno = 1; 1558 chip->num_devs = 2; 1559 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1560 1561 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1562 if (err < 0) 1563 return err; 1564 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1565 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1566 pcm->private_data = chip; 1567 strcpy(pcm->name, chip->card->shortname); 1568 chip->pcms[0] = pcm; 1569 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1570 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1571 1572 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1573 &chip->pci->dev, 1574 64*1024, VIA_MAX_BUFSIZE); 1575 return 0; 1576 } 1577 1578 1579 /* 1580 * Mixer part 1581 */ 1582 snd_via8233_capture_source_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1583 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1584 struct snd_ctl_elem_info *uinfo) 1585 { 1586 /* formerly they were "Line" and "Mic", but it looks like that they 1587 * have nothing to do with the actual physical connections... 1588 */ 1589 static const char * const texts[2] = { 1590 "Input1", "Input2" 1591 }; 1592 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1593 } 1594 snd_via8233_capture_source_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1595 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1596 struct snd_ctl_elem_value *ucontrol) 1597 { 1598 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1599 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1600 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1601 return 0; 1602 } 1603 snd_via8233_capture_source_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1604 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1605 struct snd_ctl_elem_value *ucontrol) 1606 { 1607 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1608 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1609 u8 val, oval; 1610 1611 spin_lock_irq(&chip->reg_lock); 1612 oval = inb(port); 1613 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1614 if (ucontrol->value.enumerated.item[0]) 1615 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1616 if (val != oval) 1617 outb(val, port); 1618 spin_unlock_irq(&chip->reg_lock); 1619 return val != oval; 1620 } 1621 1622 static struct snd_kcontrol_new snd_via8233_capture_source = { 1623 .name = "Input Source Select", 1624 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1625 .info = snd_via8233_capture_source_info, 1626 .get = snd_via8233_capture_source_get, 1627 .put = snd_via8233_capture_source_put, 1628 }; 1629 1630 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1631 snd_via8233_dxs3_spdif_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1632 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1633 struct snd_ctl_elem_value *ucontrol) 1634 { 1635 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1636 u8 val; 1637 1638 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1639 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1640 return 0; 1641 } 1642 snd_via8233_dxs3_spdif_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1643 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1644 struct snd_ctl_elem_value *ucontrol) 1645 { 1646 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1647 u8 val, oval; 1648 1649 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1650 val = oval & ~VIA8233_SPDIF_DX3; 1651 if (ucontrol->value.integer.value[0]) 1652 val |= VIA8233_SPDIF_DX3; 1653 /* save the spdif flag for rate filtering */ 1654 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1655 if (val != oval) { 1656 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1657 return 1; 1658 } 1659 return 0; 1660 } 1661 1662 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1663 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1664 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1665 .info = snd_via8233_dxs3_spdif_info, 1666 .get = snd_via8233_dxs3_spdif_get, 1667 .put = snd_via8233_dxs3_spdif_put, 1668 }; 1669 snd_via8233_dxs_volume_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1670 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1671 struct snd_ctl_elem_info *uinfo) 1672 { 1673 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1674 uinfo->count = 2; 1675 uinfo->value.integer.min = 0; 1676 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1677 return 0; 1678 } 1679 snd_via8233_dxs_volume_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1680 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1681 struct snd_ctl_elem_value *ucontrol) 1682 { 1683 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1684 unsigned int idx = kcontrol->id.subdevice; 1685 1686 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1687 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1688 return 0; 1689 } 1690 snd_via8233_pcmdxs_volume_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1691 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1692 struct snd_ctl_elem_value *ucontrol) 1693 { 1694 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1695 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1696 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1697 return 0; 1698 } 1699 snd_via8233_dxs_volume_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1700 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1701 struct snd_ctl_elem_value *ucontrol) 1702 { 1703 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1704 unsigned int idx = kcontrol->id.subdevice; 1705 unsigned long port = chip->port + 0x10 * idx; 1706 unsigned char val; 1707 int i, change = 0; 1708 1709 for (i = 0; i < 2; i++) { 1710 val = ucontrol->value.integer.value[i]; 1711 if (val > VIA_DXS_MAX_VOLUME) 1712 val = VIA_DXS_MAX_VOLUME; 1713 val = VIA_DXS_MAX_VOLUME - val; 1714 change |= val != chip->playback_volume[idx][i]; 1715 if (change) { 1716 chip->playback_volume[idx][i] = val; 1717 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1718 } 1719 } 1720 return change; 1721 } 1722 snd_via8233_pcmdxs_volume_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1723 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1724 struct snd_ctl_elem_value *ucontrol) 1725 { 1726 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1727 unsigned int idx; 1728 unsigned char val; 1729 int i, change = 0; 1730 1731 for (i = 0; i < 2; i++) { 1732 val = ucontrol->value.integer.value[i]; 1733 if (val > VIA_DXS_MAX_VOLUME) 1734 val = VIA_DXS_MAX_VOLUME; 1735 val = VIA_DXS_MAX_VOLUME - val; 1736 if (val != chip->playback_volume_c[i]) { 1737 change = 1; 1738 chip->playback_volume_c[i] = val; 1739 for (idx = 0; idx < 4; idx++) { 1740 unsigned long port = chip->port + 0x10 * idx; 1741 chip->playback_volume[idx][i] = val; 1742 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1743 } 1744 } 1745 } 1746 return change; 1747 } 1748 1749 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1750 1751 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1752 .name = "PCM Playback Volume", 1753 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1754 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1755 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1756 .info = snd_via8233_dxs_volume_info, 1757 .get = snd_via8233_pcmdxs_volume_get, 1758 .put = snd_via8233_pcmdxs_volume_put, 1759 .tlv = { .p = db_scale_dxs } 1760 }; 1761 1762 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1763 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1764 .device = 0, 1765 /* .subdevice set later */ 1766 .name = "PCM Playback Volume", 1767 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1768 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1769 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1770 .info = snd_via8233_dxs_volume_info, 1771 .get = snd_via8233_dxs_volume_get, 1772 .put = snd_via8233_dxs_volume_put, 1773 .tlv = { .p = db_scale_dxs } 1774 }; 1775 1776 /* 1777 */ 1778 snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus * bus)1779 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1780 { 1781 struct via82xx *chip = bus->private_data; 1782 chip->ac97_bus = NULL; 1783 } 1784 snd_via82xx_mixer_free_ac97(struct snd_ac97 * ac97)1785 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1786 { 1787 struct via82xx *chip = ac97->private_data; 1788 chip->ac97 = NULL; 1789 } 1790 1791 static const struct ac97_quirk ac97_quirks[] = { 1792 { 1793 .subvendor = 0x1106, 1794 .subdevice = 0x4161, 1795 .codec_id = 0x56494161, /* VT1612A */ 1796 .name = "Soltek SL-75DRV5", 1797 .type = AC97_TUNE_NONE 1798 }, 1799 { /* FIXME: which codec? */ 1800 .subvendor = 0x1106, 1801 .subdevice = 0x4161, 1802 .name = "ASRock K7VT2", 1803 .type = AC97_TUNE_HP_ONLY 1804 }, 1805 { 1806 .subvendor = 0x110a, 1807 .subdevice = 0x0079, 1808 .name = "Fujitsu Siemens D1289", 1809 .type = AC97_TUNE_HP_ONLY 1810 }, 1811 { 1812 .subvendor = 0x1019, 1813 .subdevice = 0x0a81, 1814 .name = "ECS K7VTA3", 1815 .type = AC97_TUNE_HP_ONLY 1816 }, 1817 { 1818 .subvendor = 0x1019, 1819 .subdevice = 0x0a85, 1820 .name = "ECS L7VMM2", 1821 .type = AC97_TUNE_HP_ONLY 1822 }, 1823 { 1824 .subvendor = 0x1019, 1825 .subdevice = 0x1841, 1826 .name = "ECS K7VTA3", 1827 .type = AC97_TUNE_HP_ONLY 1828 }, 1829 { 1830 .subvendor = 0x1849, 1831 .subdevice = 0x3059, 1832 .name = "ASRock K7VM2", 1833 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1834 }, 1835 { 1836 .subvendor = 0x14cd, 1837 .subdevice = 0x7002, 1838 .name = "Unknown", 1839 .type = AC97_TUNE_ALC_JACK 1840 }, 1841 { 1842 .subvendor = 0x1071, 1843 .subdevice = 0x8590, 1844 .name = "Mitac Mobo", 1845 .type = AC97_TUNE_ALC_JACK 1846 }, 1847 { 1848 .subvendor = 0x161f, 1849 .subdevice = 0x202b, 1850 .name = "Arima Notebook", 1851 .type = AC97_TUNE_HP_ONLY, 1852 }, 1853 { 1854 .subvendor = 0x161f, 1855 .subdevice = 0x2032, 1856 .name = "Targa Traveller 811", 1857 .type = AC97_TUNE_HP_ONLY, 1858 }, 1859 { 1860 .subvendor = 0x161f, 1861 .subdevice = 0x2032, 1862 .name = "m680x", 1863 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1864 }, 1865 { 1866 .subvendor = 0x1297, 1867 .subdevice = 0xa232, 1868 .name = "Shuttle AK32VN", 1869 .type = AC97_TUNE_HP_ONLY 1870 }, 1871 { } /* terminator */ 1872 }; 1873 snd_via82xx_mixer_new(struct via82xx * chip,const char * quirk_override)1874 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1875 { 1876 struct snd_ac97_template ac97; 1877 int err; 1878 static const struct snd_ac97_bus_ops ops = { 1879 .write = snd_via82xx_codec_write, 1880 .read = snd_via82xx_codec_read, 1881 .wait = snd_via82xx_codec_wait, 1882 }; 1883 1884 err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); 1885 if (err < 0) 1886 return err; 1887 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1888 chip->ac97_bus->clock = chip->ac97_clock; 1889 1890 memset(&ac97, 0, sizeof(ac97)); 1891 ac97.private_data = chip; 1892 ac97.private_free = snd_via82xx_mixer_free_ac97; 1893 ac97.pci = chip->pci; 1894 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1895 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); 1896 if (err < 0) 1897 return err; 1898 1899 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1900 1901 if (chip->chip_type != TYPE_VIA686) { 1902 /* use slot 10/11 */ 1903 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1904 } 1905 1906 return 0; 1907 } 1908 1909 #ifdef SUPPORT_JOYSTICK 1910 #define JOYSTICK_ADDR 0x200 snd_via686_create_gameport(struct via82xx * chip,unsigned char * legacy)1911 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1912 { 1913 struct gameport *gp; 1914 1915 if (!joystick) 1916 return -ENODEV; 1917 1918 if (!devm_request_region(chip->card->dev, JOYSTICK_ADDR, 8, 1919 "VIA686 gameport")) { 1920 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1921 JOYSTICK_ADDR); 1922 return -EBUSY; 1923 } 1924 1925 chip->gameport = gp = gameport_allocate_port(); 1926 if (!gp) { 1927 dev_err(chip->card->dev, 1928 "cannot allocate memory for gameport\n"); 1929 return -ENOMEM; 1930 } 1931 1932 gameport_set_name(gp, "VIA686 Gameport"); 1933 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1934 gameport_set_dev_parent(gp, &chip->pci->dev); 1935 gp->io = JOYSTICK_ADDR; 1936 1937 /* Enable legacy joystick port */ 1938 *legacy |= VIA_FUNC_ENABLE_GAME; 1939 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1940 1941 gameport_register_port(chip->gameport); 1942 1943 return 0; 1944 } 1945 snd_via686_free_gameport(struct via82xx * chip)1946 static void snd_via686_free_gameport(struct via82xx *chip) 1947 { 1948 if (chip->gameport) { 1949 gameport_unregister_port(chip->gameport); 1950 chip->gameport = NULL; 1951 } 1952 } 1953 #else snd_via686_create_gameport(struct via82xx * chip,unsigned char * legacy)1954 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1955 { 1956 return -ENOSYS; 1957 } snd_via686_free_gameport(struct via82xx * chip)1958 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1959 #endif 1960 1961 1962 /* 1963 * 1964 */ 1965 snd_via8233_init_misc(struct via82xx * chip)1966 static int snd_via8233_init_misc(struct via82xx *chip) 1967 { 1968 int i, err, caps; 1969 unsigned char val; 1970 1971 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1972 for (i = 0; i < caps; i++) { 1973 snd_via8233_capture_source.index = i; 1974 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1975 if (err < 0) 1976 return err; 1977 } 1978 if (ac97_can_spdif(chip->ac97)) { 1979 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1980 if (err < 0) 1981 return err; 1982 } 1983 if (chip->chip_type != TYPE_VIA8233A) { 1984 /* when no h/w PCM volume control is found, use DXS volume control 1985 * as the PCM vol control 1986 */ 1987 if (!snd_ctl_find_id_mixer(chip->card, "PCM Playback Volume")) { 1988 dev_info(chip->card->dev, 1989 "Using DXS as PCM Playback\n"); 1990 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1991 if (err < 0) 1992 return err; 1993 } 1994 else /* Using DXS when PCM emulation is enabled is really weird */ 1995 { 1996 for (i = 0; i < 4; ++i) { 1997 struct snd_kcontrol *kctl; 1998 1999 kctl = snd_ctl_new1( 2000 &snd_via8233_dxs_volume_control, chip); 2001 if (!kctl) 2002 return -ENOMEM; 2003 kctl->id.subdevice = i; 2004 err = snd_ctl_add(chip->card, kctl); 2005 if (err < 0) 2006 return err; 2007 chip->dxs_controls[i] = kctl; 2008 } 2009 } 2010 } 2011 /* select spdif data slot 10/11 */ 2012 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2013 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2014 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2015 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2016 2017 return 0; 2018 } 2019 snd_via686_init_misc(struct via82xx * chip)2020 static int snd_via686_init_misc(struct via82xx *chip) 2021 { 2022 unsigned char legacy, legacy_cfg; 2023 int rev_h = 0; 2024 2025 legacy = chip->old_legacy; 2026 legacy_cfg = chip->old_legacy_cfg; 2027 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2028 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2029 if (chip->revision >= VIA_REV_686_H) { 2030 rev_h = 1; 2031 if (mpu_port >= 0x200) { /* force MIDI */ 2032 mpu_port &= 0xfffc; 2033 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2034 #ifdef CONFIG_PM_SLEEP 2035 chip->mpu_port_saved = mpu_port; 2036 #endif 2037 } else { 2038 mpu_port = pci_resource_start(chip->pci, 2); 2039 } 2040 } else { 2041 switch (mpu_port) { /* force MIDI */ 2042 case 0x300: 2043 case 0x310: 2044 case 0x320: 2045 case 0x330: 2046 legacy_cfg &= ~(3 << 2); 2047 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2048 break; 2049 default: /* no, use BIOS settings */ 2050 if (legacy & VIA_FUNC_ENABLE_MIDI) 2051 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2052 break; 2053 } 2054 } 2055 if (mpu_port >= 0x200) 2056 chip->mpu_res = devm_request_region(&chip->pci->dev, mpu_port, 2057 2, "VIA82xx MPU401"); 2058 if (chip->mpu_res) { 2059 if (rev_h) 2060 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2061 legacy |= VIA_FUNC_ENABLE_MIDI; 2062 } else { 2063 if (rev_h) 2064 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2065 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2066 mpu_port = 0; 2067 } 2068 2069 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2070 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2071 if (chip->mpu_res) { 2072 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2073 mpu_port, MPU401_INFO_INTEGRATED | 2074 MPU401_INFO_IRQ_HOOK, -1, 2075 &chip->rmidi) < 0) { 2076 dev_warn(chip->card->dev, 2077 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2078 mpu_port); 2079 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2080 } else { 2081 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2082 } 2083 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2084 } 2085 2086 snd_via686_create_gameport(chip, &legacy); 2087 2088 #ifdef CONFIG_PM_SLEEP 2089 chip->legacy_saved = legacy; 2090 chip->legacy_cfg_saved = legacy_cfg; 2091 #endif 2092 2093 return 0; 2094 } 2095 2096 2097 /* 2098 * proc interface 2099 */ snd_via82xx_proc_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)2100 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2101 struct snd_info_buffer *buffer) 2102 { 2103 struct via82xx *chip = entry->private_data; 2104 int i; 2105 2106 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2107 for (i = 0; i < 0xa0; i += 4) { 2108 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2109 } 2110 } 2111 snd_via82xx_proc_init(struct via82xx * chip)2112 static void snd_via82xx_proc_init(struct via82xx *chip) 2113 { 2114 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2115 snd_via82xx_proc_read); 2116 } 2117 2118 /* 2119 * 2120 */ 2121 snd_via82xx_chip_init(struct via82xx * chip)2122 static int snd_via82xx_chip_init(struct via82xx *chip) 2123 { 2124 unsigned int val; 2125 unsigned long end_time; 2126 unsigned char pval; 2127 2128 #if 0 /* broken on K7M? */ 2129 if (chip->chip_type == TYPE_VIA686) 2130 /* disable all legacy ports */ 2131 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2132 #endif 2133 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2134 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2135 /* deassert ACLink reset, force SYNC */ 2136 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2137 VIA_ACLINK_CTRL_ENABLE | 2138 VIA_ACLINK_CTRL_RESET | 2139 VIA_ACLINK_CTRL_SYNC); 2140 udelay(100); 2141 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2142 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2143 udelay(100); 2144 #else 2145 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2146 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2147 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2148 udelay(2); 2149 #endif 2150 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2151 /* note - FM data out has trouble with non VRA codecs !! */ 2152 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2153 udelay(100); 2154 } 2155 2156 /* Make sure VRA is enabled, in case we didn't do a 2157 * complete codec reset, above */ 2158 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2159 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2160 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2161 /* note - FM data out has trouble with non VRA codecs !! */ 2162 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2163 udelay(100); 2164 } 2165 2166 /* wait until codec ready */ 2167 end_time = jiffies + msecs_to_jiffies(750); 2168 do { 2169 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2170 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2171 break; 2172 schedule_timeout_uninterruptible(1); 2173 } while (time_before(jiffies, end_time)); 2174 2175 val = snd_via82xx_codec_xread(chip); 2176 if (val & VIA_REG_AC97_BUSY) 2177 dev_err(chip->card->dev, 2178 "AC'97 codec is not ready [0x%x]\n", val); 2179 2180 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2181 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2182 VIA_REG_AC97_SECONDARY_VALID | 2183 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2184 end_time = jiffies + msecs_to_jiffies(750); 2185 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2186 VIA_REG_AC97_SECONDARY_VALID | 2187 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2188 do { 2189 val = snd_via82xx_codec_xread(chip); 2190 if (val & VIA_REG_AC97_SECONDARY_VALID) { 2191 chip->ac97_secondary = 1; 2192 goto __ac97_ok2; 2193 } 2194 schedule_timeout_uninterruptible(1); 2195 } while (time_before(jiffies, end_time)); 2196 /* This is ok, the most of motherboards have only one codec */ 2197 2198 __ac97_ok2: 2199 #endif 2200 2201 if (chip->chip_type == TYPE_VIA686) { 2202 /* route FM trap to IRQ, disable FM trap */ 2203 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2204 /* disable all GPI interrupts */ 2205 outl(0, VIAREG(chip, GPI_INTR)); 2206 } 2207 2208 if (chip->chip_type != TYPE_VIA686) { 2209 /* Workaround for Award BIOS bug: 2210 * DXS channels don't work properly with VRA if MC97 is disabled. 2211 */ 2212 struct pci_dev *pci; 2213 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2214 if (pci) { 2215 unsigned char data; 2216 pci_read_config_byte(pci, 0x44, &data); 2217 pci_write_config_byte(pci, 0x44, data | 0x40); 2218 pci_dev_put(pci); 2219 } 2220 } 2221 2222 if (chip->chip_type != TYPE_VIA8233A) { 2223 int i, idx; 2224 for (idx = 0; idx < 4; idx++) { 2225 unsigned long port = chip->port + 0x10 * idx; 2226 for (i = 0; i < 2; i++) { 2227 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2228 outb(chip->playback_volume_c[i], 2229 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2230 } 2231 } 2232 } 2233 2234 return 0; 2235 } 2236 2237 #ifdef CONFIG_PM_SLEEP 2238 /* 2239 * power management 2240 */ snd_via82xx_suspend(struct device * dev)2241 static int snd_via82xx_suspend(struct device *dev) 2242 { 2243 struct snd_card *card = dev_get_drvdata(dev); 2244 struct via82xx *chip = card->private_data; 2245 int i; 2246 2247 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2248 for (i = 0; i < chip->num_devs; i++) 2249 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2250 snd_ac97_suspend(chip->ac97); 2251 2252 /* save misc values */ 2253 if (chip->chip_type != TYPE_VIA686) { 2254 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2255 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2256 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2257 } 2258 2259 return 0; 2260 } 2261 snd_via82xx_resume(struct device * dev)2262 static int snd_via82xx_resume(struct device *dev) 2263 { 2264 struct snd_card *card = dev_get_drvdata(dev); 2265 struct via82xx *chip = card->private_data; 2266 int i; 2267 2268 snd_via82xx_chip_init(chip); 2269 2270 if (chip->chip_type == TYPE_VIA686) { 2271 if (chip->mpu_port_saved) 2272 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2273 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2274 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2275 } else { 2276 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2277 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2278 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2279 } 2280 2281 snd_ac97_resume(chip->ac97); 2282 2283 for (i = 0; i < chip->num_devs; i++) 2284 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2285 2286 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2287 return 0; 2288 } 2289 2290 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2291 #define SND_VIA82XX_PM_OPS &snd_via82xx_pm 2292 #else 2293 #define SND_VIA82XX_PM_OPS NULL 2294 #endif /* CONFIG_PM_SLEEP */ 2295 snd_via82xx_free(struct snd_card * card)2296 static void snd_via82xx_free(struct snd_card *card) 2297 { 2298 struct via82xx *chip = card->private_data; 2299 unsigned int i; 2300 2301 /* disable interrupts */ 2302 for (i = 0; i < chip->num_devs; i++) 2303 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2304 2305 if (chip->chip_type == TYPE_VIA686) { 2306 snd_via686_free_gameport(chip); 2307 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2308 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2309 } 2310 } 2311 snd_via82xx_create(struct snd_card * card,struct pci_dev * pci,int chip_type,int revision,unsigned int ac97_clock)2312 static int snd_via82xx_create(struct snd_card *card, 2313 struct pci_dev *pci, 2314 int chip_type, 2315 int revision, 2316 unsigned int ac97_clock) 2317 { 2318 struct via82xx *chip = card->private_data; 2319 int err; 2320 2321 err = pcim_enable_device(pci); 2322 if (err < 0) 2323 return err; 2324 2325 chip->chip_type = chip_type; 2326 chip->revision = revision; 2327 2328 spin_lock_init(&chip->reg_lock); 2329 spin_lock_init(&chip->rates[0].lock); 2330 spin_lock_init(&chip->rates[1].lock); 2331 chip->card = card; 2332 chip->pci = pci; 2333 chip->irq = -1; 2334 2335 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2336 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2337 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2338 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2339 2340 err = pci_request_regions(pci, card->driver); 2341 if (err < 0) 2342 return err; 2343 chip->port = pci_resource_start(pci, 0); 2344 if (devm_request_irq(&pci->dev, pci->irq, 2345 chip_type == TYPE_VIA8233 ? 2346 snd_via8233_interrupt : snd_via686_interrupt, 2347 IRQF_SHARED, 2348 KBUILD_MODNAME, chip)) { 2349 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2350 return -EBUSY; 2351 } 2352 chip->irq = pci->irq; 2353 card->sync_irq = chip->irq; 2354 card->private_free = snd_via82xx_free; 2355 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2356 chip->ac97_clock = ac97_clock; 2357 2358 err = snd_via82xx_chip_init(chip); 2359 if (err < 0) 2360 return err; 2361 2362 /* The 8233 ac97 controller does not implement the master bit 2363 * in the pci command register. IMHO this is a violation of the PCI spec. 2364 * We call pci_set_master here because it does not hurt. */ 2365 pci_set_master(pci); 2366 return 0; 2367 } 2368 2369 struct via823x_info { 2370 int revision; 2371 char *name; 2372 int type; 2373 }; 2374 static const struct via823x_info via823x_cards[] = { 2375 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2376 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2377 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2378 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2379 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2380 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2381 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2382 }; 2383 2384 /* 2385 * auto detection of DXS channel supports. 2386 */ 2387 2388 static const struct snd_pci_quirk dxs_allowlist[] = { 2389 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2390 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2391 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2392 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2393 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2394 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2395 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2396 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2397 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2398 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2399 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2400 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2401 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2402 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2403 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2404 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2405 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2406 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2407 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2408 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2409 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2410 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2411 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2412 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2413 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2414 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2415 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2416 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2417 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2418 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2419 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2420 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2421 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2422 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2423 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2424 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2425 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2426 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2427 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2428 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2429 { } /* terminator */ 2430 }; 2431 check_dxs_list(struct pci_dev * pci,int revision)2432 static int check_dxs_list(struct pci_dev *pci, int revision) 2433 { 2434 const struct snd_pci_quirk *w; 2435 2436 w = snd_pci_quirk_lookup(pci, dxs_allowlist); 2437 if (w) { 2438 dev_dbg(&pci->dev, "DXS allow list for %s found\n", 2439 snd_pci_quirk_name(w)); 2440 return w->value; 2441 } 2442 2443 /* for newer revision, default to DXS_SRC */ 2444 if (revision >= VIA_REV_8235) 2445 return VIA_DXS_SRC; 2446 2447 /* 2448 * not detected, try 48k rate only to be sure. 2449 */ 2450 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2451 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2452 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2453 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2454 return VIA_DXS_48K; 2455 }; 2456 __snd_via82xx_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)2457 static int __snd_via82xx_probe(struct pci_dev *pci, 2458 const struct pci_device_id *pci_id) 2459 { 2460 struct snd_card *card; 2461 struct via82xx *chip; 2462 int chip_type = 0, card_type; 2463 unsigned int i; 2464 int err; 2465 2466 err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE, 2467 sizeof(*chip), &card); 2468 if (err < 0) 2469 return err; 2470 chip = card->private_data; 2471 2472 card_type = pci_id->driver_data; 2473 switch (card_type) { 2474 case TYPE_CARD_VIA686: 2475 strcpy(card->driver, "VIA686A"); 2476 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2477 chip_type = TYPE_VIA686; 2478 break; 2479 case TYPE_CARD_VIA8233: 2480 chip_type = TYPE_VIA8233; 2481 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2482 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2483 if (pci->revision == via823x_cards[i].revision) { 2484 chip_type = via823x_cards[i].type; 2485 strcpy(card->shortname, via823x_cards[i].name); 2486 break; 2487 } 2488 } 2489 if (chip_type != TYPE_VIA8233A) { 2490 if (dxs_support == VIA_DXS_AUTO) 2491 dxs_support = check_dxs_list(pci, pci->revision); 2492 /* force to use VIA8233 or 8233A model according to 2493 * dxs_support module option 2494 */ 2495 if (dxs_support == VIA_DXS_DISABLE) 2496 chip_type = TYPE_VIA8233A; 2497 else 2498 chip_type = TYPE_VIA8233; 2499 } 2500 if (chip_type == TYPE_VIA8233A) 2501 strcpy(card->driver, "VIA8233A"); 2502 else if (pci->revision >= VIA_REV_8237) 2503 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2504 else 2505 strcpy(card->driver, "VIA8233"); 2506 break; 2507 default: 2508 dev_err(card->dev, "invalid card type %d\n", card_type); 2509 return -EINVAL; 2510 } 2511 2512 err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2513 ac97_clock); 2514 if (err < 0) 2515 return err; 2516 err = snd_via82xx_mixer_new(chip, ac97_quirk); 2517 if (err < 0) 2518 return err; 2519 2520 if (chip_type == TYPE_VIA686) { 2521 err = snd_via686_pcm_new(chip); 2522 if (err < 0) 2523 return err; 2524 err = snd_via686_init_misc(chip); 2525 if (err < 0) 2526 return err; 2527 } else { 2528 if (chip_type == TYPE_VIA8233A) { 2529 err = snd_via8233a_pcm_new(chip); 2530 if (err < 0) 2531 return err; 2532 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2533 } else { 2534 err = snd_via8233_pcm_new(chip); 2535 if (err < 0) 2536 return err; 2537 if (dxs_support == VIA_DXS_48K) 2538 chip->dxs_fixed = 1; 2539 else if (dxs_support == VIA_DXS_NO_VRA) 2540 chip->no_vra = 1; 2541 else if (dxs_support == VIA_DXS_SRC) { 2542 chip->no_vra = 1; 2543 chip->dxs_src = 1; 2544 } 2545 } 2546 err = snd_via8233_init_misc(chip); 2547 if (err < 0) 2548 return err; 2549 } 2550 2551 /* disable interrupts */ 2552 for (i = 0; i < chip->num_devs; i++) 2553 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2554 2555 snprintf(card->longname, sizeof(card->longname), 2556 "%s with %s at %#lx, irq %d", card->shortname, 2557 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2558 2559 snd_via82xx_proc_init(chip); 2560 2561 err = snd_card_register(card); 2562 if (err < 0) 2563 return err; 2564 pci_set_drvdata(pci, card); 2565 return 0; 2566 } 2567 snd_via82xx_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)2568 static int snd_via82xx_probe(struct pci_dev *pci, 2569 const struct pci_device_id *pci_id) 2570 { 2571 return snd_card_free_on_error(&pci->dev, __snd_via82xx_probe(pci, pci_id)); 2572 } 2573 2574 static struct pci_driver via82xx_driver = { 2575 .name = KBUILD_MODNAME, 2576 .id_table = snd_via82xx_ids, 2577 .probe = snd_via82xx_probe, 2578 .driver = { 2579 .pm = SND_VIA82XX_PM_OPS, 2580 }, 2581 }; 2582 2583 module_pci_driver(via82xx_driver); 2584