1 /* 2 * Driver for Digigram VX soundcards 3 * 4 * Hardware core part 5 * 6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 #ifndef __SOUND_VX_COMMON_H 24 #define __SOUND_VX_COMMON_H 25 26 #include <sound/pcm.h> 27 #include <sound/hwdep.h> 28 #include <linux/interrupt.h> 29 30 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE) 31 #if !defined(CONFIG_USE_VXLOADER) && !defined(CONFIG_SND_VX_LIB) /* built-in kernel */ 32 #define SND_VX_FW_LOADER /* use the standard firmware loader */ 33 #endif 34 #endif 35 36 struct firmware; 37 struct device; 38 39 #define VX_DRIVER_VERSION 0x010000 /* 1.0.0 */ 40 41 /* 42 */ 43 #define SIZE_MAX_CMD 0x10 44 #define SIZE_MAX_STATUS 0x10 45 46 struct vx_rmh { 47 u16 LgCmd; /* length of the command to send (WORDs) */ 48 u16 LgStat; /* length of the status received (WORDs) */ 49 u32 Cmd[SIZE_MAX_CMD]; 50 u32 Stat[SIZE_MAX_STATUS]; 51 u16 DspStat; /* status type, RMP_SSIZE_XXX */ 52 }; 53 54 typedef u64 pcx_time_t; 55 56 #define VX_MAX_PIPES 16 57 #define VX_MAX_PERIODS 32 58 #define VX_MAX_CODECS 2 59 60 struct vx_ibl_info { 61 int size; /* the current IBL size (0 = query) in bytes */ 62 int max_size; /* max. IBL size in bytes */ 63 int min_size; /* min. IBL size in bytes */ 64 int granularity; /* granularity */ 65 }; 66 67 struct vx_pipe { 68 int number; 69 unsigned int is_capture: 1; 70 unsigned int data_mode: 1; 71 unsigned int running: 1; 72 unsigned int prepared: 1; 73 int channels; 74 unsigned int differed_type; 75 pcx_time_t pcx_time; 76 struct snd_pcm_substream *substream; 77 78 int hbuf_size; /* H-buffer size in bytes */ 79 int buffer_bytes; /* the ALSA pcm buffer size in bytes */ 80 int period_bytes; /* the ALSA pcm period size in bytes */ 81 int hw_ptr; /* the current hardware pointer in bytes */ 82 int position; /* the current position in frames (playback only) */ 83 int transferred; /* the transferred size (per period) in frames */ 84 int align; /* size of alignment */ 85 u64 cur_count; /* current sample position (for playback) */ 86 87 unsigned int references; /* an output pipe may be used for monitoring and/or playback */ 88 struct vx_pipe *monitoring_pipe; /* pointer to the monitoring pipe (capture pipe only)*/ 89 90 struct tasklet_struct start_tq; 91 }; 92 93 struct vx_core; 94 95 struct snd_vx_ops { 96 /* low-level i/o */ 97 unsigned char (*in8)(struct vx_core *chip, int reg); 98 unsigned int (*in32)(struct vx_core *chip, int reg); 99 void (*out8)(struct vx_core *chip, int reg, unsigned char val); 100 void (*out32)(struct vx_core *chip, int reg, unsigned int val); 101 /* irq */ 102 int (*test_and_ack)(struct vx_core *chip); 103 void (*validate_irq)(struct vx_core *chip, int enable); 104 /* codec */ 105 void (*write_codec)(struct vx_core *chip, int codec, unsigned int data); 106 void (*akm_write)(struct vx_core *chip, int reg, unsigned int data); 107 void (*reset_codec)(struct vx_core *chip); 108 void (*change_audio_source)(struct vx_core *chip, int src); 109 void (*set_clock_source)(struct vx_core *chp, int src); 110 /* chip init */ 111 int (*load_dsp)(struct vx_core *chip, int idx, const struct firmware *fw); 112 void (*reset_dsp)(struct vx_core *chip); 113 void (*reset_board)(struct vx_core *chip, int cold_reset); 114 int (*add_controls)(struct vx_core *chip); 115 /* pcm */ 116 void (*dma_write)(struct vx_core *chip, struct snd_pcm_runtime *runtime, 117 struct vx_pipe *pipe, int count); 118 void (*dma_read)(struct vx_core *chip, struct snd_pcm_runtime *runtime, 119 struct vx_pipe *pipe, int count); 120 }; 121 122 struct snd_vx_hardware { 123 const char *name; 124 int type; /* VX_TYPE_XXX */ 125 126 /* hardware specs */ 127 unsigned int num_codecs; 128 unsigned int num_ins; 129 unsigned int num_outs; 130 unsigned int output_level_max; 131 const unsigned int *output_level_db_scale; 132 }; 133 134 /* hwdep id string */ 135 #define SND_VX_HWDEP_ID "VX Loader" 136 137 /* hardware type */ 138 enum { 139 /* VX222 PCI */ 140 VX_TYPE_BOARD, /* old VX222 PCI */ 141 VX_TYPE_V2, /* VX222 V2 PCI */ 142 VX_TYPE_MIC, /* VX222 Mic PCI */ 143 /* VX-pocket */ 144 VX_TYPE_VXPOCKET, /* VXpocket V2 */ 145 VX_TYPE_VXP440, /* VXpocket 440 */ 146 VX_TYPE_NUMS 147 }; 148 149 /* chip status */ 150 enum { 151 VX_STAT_XILINX_LOADED = (1 << 0), /* devices are registered */ 152 VX_STAT_DEVICE_INIT = (1 << 1), /* devices are registered */ 153 VX_STAT_CHIP_INIT = (1 << 2), /* all operational */ 154 VX_STAT_IN_SUSPEND = (1 << 10), /* in suspend phase */ 155 VX_STAT_IS_STALE = (1 << 15) /* device is stale */ 156 }; 157 158 /* min/max values for analog output for old codecs */ 159 #define VX_ANALOG_OUT_LEVEL_MAX 0xe3 160 161 struct vx_core { 162 /* ALSA stuff */ 163 struct snd_card *card; 164 struct snd_pcm *pcm[VX_MAX_CODECS]; 165 int type; /* VX_TYPE_XXX */ 166 167 int irq; 168 /* ports are defined externally */ 169 170 /* low-level functions */ 171 struct snd_vx_hardware *hw; 172 struct snd_vx_ops *ops; 173 174 spinlock_t lock; 175 spinlock_t irq_lock; 176 struct tasklet_struct tq; 177 178 unsigned int chip_status; 179 unsigned int pcm_running; 180 181 struct device *dev; 182 struct snd_hwdep *hwdep; 183 184 struct vx_rmh irq_rmh; /* RMH used in interrupts */ 185 186 unsigned int audio_info; /* see VX_AUDIO_INFO */ 187 unsigned int audio_ins; 188 unsigned int audio_outs; 189 struct vx_pipe **playback_pipes; 190 struct vx_pipe **capture_pipes; 191 192 /* clock and audio sources */ 193 unsigned int audio_source; /* current audio input source */ 194 unsigned int audio_source_target; 195 unsigned int clock_mode; /* clock mode (VX_CLOCK_MODE_XXX) */ 196 unsigned int clock_source; /* current clock source (INTERNAL_QUARTZ or UER_SYNC) */ 197 unsigned int freq; /* current frequency */ 198 unsigned int freq_detected; /* detected frequency from digital in */ 199 unsigned int uer_detected; /* VX_UER_MODE_XXX */ 200 unsigned int uer_bits; /* IEC958 status bits */ 201 struct vx_ibl_info ibl; /* IBL information */ 202 203 /* mixer setting */ 204 int output_level[VX_MAX_CODECS][2]; /* analog output level */ 205 int audio_gain[2][4]; /* digital audio level (playback/capture) */ 206 unsigned char audio_active[4]; /* mute/unmute on digital playback */ 207 int audio_monitor[4]; /* playback hw-monitor level */ 208 unsigned char audio_monitor_active[4]; /* playback hw-monitor mute/unmute */ 209 210 struct mutex mixer_mutex; 211 212 const struct firmware *firmware[4]; /* loaded firmware data */ 213 }; 214 215 216 /* 217 * constructor 218 */ 219 struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw, 220 struct snd_vx_ops *ops, int extra_size); 221 int snd_vx_setup_firmware(struct vx_core *chip); 222 int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp); 223 int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp); 224 int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp); 225 226 void snd_vx_free_firmware(struct vx_core *chip); 227 228 /* 229 * interrupt handler; exported for pcmcia 230 */ 231 irqreturn_t snd_vx_irq_handler(int irq, void *dev); 232 233 /* 234 * lowlevel functions 235 */ 236 static inline int vx_test_and_ack(struct vx_core *chip) 237 { 238 return chip->ops->test_and_ack(chip); 239 } 240 241 static inline void vx_validate_irq(struct vx_core *chip, int enable) 242 { 243 chip->ops->validate_irq(chip, enable); 244 } 245 246 static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg) 247 { 248 return chip->ops->in8(chip, reg); 249 } 250 251 static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg) 252 { 253 return chip->ops->in32(chip, reg); 254 } 255 256 static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val) 257 { 258 chip->ops->out8(chip, reg, val); 259 } 260 261 static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val) 262 { 263 chip->ops->out32(chip, reg, val); 264 } 265 266 #define vx_inb(chip,reg) snd_vx_inb(chip, VX_##reg) 267 #define vx_outb(chip,reg,val) snd_vx_outb(chip, VX_##reg,val) 268 #define vx_inl(chip,reg) snd_vx_inl(chip, VX_##reg) 269 #define vx_outl(chip,reg,val) snd_vx_outl(chip, VX_##reg,val) 270 271 static inline void vx_reset_dsp(struct vx_core *chip) 272 { 273 chip->ops->reset_dsp(chip); 274 } 275 276 int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh); 277 int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh); 278 int vx_send_rih(struct vx_core *chip, int cmd); 279 int vx_send_rih_nolock(struct vx_core *chip, int cmd); 280 281 void vx_reset_codec(struct vx_core *chip, int cold_reset); 282 283 /* 284 * check the bit on the specified register 285 * returns zero if a bit matches, or a negative error code. 286 * exported for vxpocket driver 287 */ 288 int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time); 289 #define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time) 290 #define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200) 291 #define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL) 292 293 294 /* 295 * pseudo-DMA transfer 296 */ 297 static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime, 298 struct vx_pipe *pipe, int count) 299 { 300 chip->ops->dma_write(chip, runtime, pipe, count); 301 } 302 303 static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime, 304 struct vx_pipe *pipe, int count) 305 { 306 chip->ops->dma_read(chip, runtime, pipe, count); 307 } 308 309 310 311 /* error with hardware code, 312 * the return value is -(VX_ERR_MASK | actual-hw-error-code) 313 */ 314 #define VX_ERR_MASK 0x1000000 315 #define vx_get_error(err) (-(err) & ~VX_ERR_MASK) 316 317 318 /* 319 * pcm stuff 320 */ 321 int snd_vx_pcm_new(struct vx_core *chip); 322 void vx_pcm_update_intr(struct vx_core *chip, unsigned int events); 323 324 /* 325 * mixer stuff 326 */ 327 int snd_vx_mixer_new(struct vx_core *chip); 328 void vx_toggle_dac_mute(struct vx_core *chip, int mute); 329 int vx_sync_audio_source(struct vx_core *chip); 330 int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active); 331 332 /* 333 * IEC958 & clock stuff 334 */ 335 void vx_set_iec958_status(struct vx_core *chip, unsigned int bits); 336 int vx_set_clock(struct vx_core *chip, unsigned int freq); 337 void vx_set_internal_clock(struct vx_core *chip, unsigned int freq); 338 int vx_change_frequency(struct vx_core *chip); 339 340 341 /* 342 * PM 343 */ 344 int snd_vx_suspend(struct vx_core *card); 345 int snd_vx_resume(struct vx_core *card); 346 347 /* 348 * hardware constants 349 */ 350 351 #define vx_has_new_dsp(chip) ((chip)->type != VX_TYPE_BOARD) 352 #define vx_is_pcmcia(chip) ((chip)->type >= VX_TYPE_VXPOCKET) 353 354 /* audio input source */ 355 enum { 356 VX_AUDIO_SRC_DIGITAL, 357 VX_AUDIO_SRC_LINE, 358 VX_AUDIO_SRC_MIC 359 }; 360 361 /* clock source */ 362 enum { 363 INTERNAL_QUARTZ, 364 UER_SYNC 365 }; 366 367 /* clock mode */ 368 enum { 369 VX_CLOCK_MODE_AUTO, /* depending on the current audio source */ 370 VX_CLOCK_MODE_INTERNAL, /* fixed to internal quartz */ 371 VX_CLOCK_MODE_EXTERNAL /* fixed to UER sync */ 372 }; 373 374 /* SPDIF/UER type */ 375 enum { 376 VX_UER_MODE_CONSUMER, 377 VX_UER_MODE_PROFESSIONAL, 378 VX_UER_MODE_NOT_PRESENT, 379 }; 380 381 /* register indices */ 382 enum { 383 VX_ICR, 384 VX_CVR, 385 VX_ISR, 386 VX_IVR, 387 VX_RXH, 388 VX_TXH = VX_RXH, 389 VX_RXM, 390 VX_TXM = VX_RXM, 391 VX_RXL, 392 VX_TXL = VX_RXL, 393 VX_DMA, 394 VX_CDSP, 395 VX_RFREQ, 396 VX_RUER_V2, 397 VX_GAIN, 398 VX_DATA = VX_GAIN, 399 VX_MEMIRQ, 400 VX_ACQ, 401 VX_BIT0, 402 VX_BIT1, 403 VX_MIC0, 404 VX_MIC1, 405 VX_MIC2, 406 VX_MIC3, 407 VX_PLX0, 408 VX_PLX1, 409 VX_PLX2, 410 411 VX_LOFREQ, // V2: ACQ, VP: RFREQ 412 VX_HIFREQ, // V2: BIT0, VP: RUER_V2 413 VX_CSUER, // V2: BIT1, VP: BIT0 414 VX_RUER, // V2: RUER_V2, VP: BIT1 415 416 VX_REG_MAX, 417 418 /* aliases for VX board */ 419 VX_RESET_DMA = VX_ISR, 420 VX_CFG = VX_RFREQ, 421 VX_STATUS = VX_MEMIRQ, 422 VX_SELMIC = VX_MIC0, 423 VX_COMPOT = VX_MIC1, 424 VX_SCOMPR = VX_MIC2, 425 VX_GLIMIT = VX_MIC3, 426 VX_INTCSR = VX_PLX0, 427 VX_CNTRL = VX_PLX1, 428 VX_GPIOC = VX_PLX2, 429 430 /* aliases for VXPOCKET board */ 431 VX_MICRO = VX_MEMIRQ, 432 VX_CODEC2 = VX_MEMIRQ, 433 VX_DIALOG = VX_ACQ, 434 435 }; 436 437 /* RMH status type */ 438 enum { 439 RMH_SSIZE_FIXED = 0, /* status size given by the driver (in LgStat) */ 440 RMH_SSIZE_ARG = 1, /* status size given in the LSB byte */ 441 RMH_SSIZE_MASK = 2, /* status size given in bitmask */ 442 }; 443 444 445 /* bits for ICR register */ 446 #define ICR_HF1 0x10 447 #define ICR_HF0 0x08 448 #define ICR_TREQ 0x02 /* Interrupt mode + HREQ set on for transfer (->DSP) request */ 449 #define ICR_RREQ 0x01 /* Interrupt mode + RREQ set on for transfer (->PC) request */ 450 451 /* bits for CVR register */ 452 #define CVR_HC 0x80 453 454 /* bits for ISR register */ 455 #define ISR_HF3 0x10 456 #define ISR_HF2 0x08 457 #define ISR_CHK 0x10 458 #define ISR_ERR 0x08 459 #define ISR_TX_READY 0x04 460 #define ISR_TX_EMPTY 0x02 461 #define ISR_RX_FULL 0x01 462 463 /* Constants used to access the DATA register */ 464 #define VX_DATA_CODEC_MASK 0x80 465 #define VX_DATA_XICOR_MASK 0x80 466 467 /* Constants used to access the CSUER register (both for VX2 and VXP) */ 468 #define VX_SUER_FREQ_MASK 0x0c 469 #define VX_SUER_FREQ_32KHz_MASK 0x0c 470 #define VX_SUER_FREQ_44KHz_MASK 0x00 471 #define VX_SUER_FREQ_48KHz_MASK 0x04 472 #define VX_SUER_DATA_PRESENT_MASK 0x02 473 #define VX_SUER_CLOCK_PRESENT_MASK 0x01 474 475 #define VX_CUER_HH_BITC_SEL_MASK 0x08 476 #define VX_CUER_MH_BITC_SEL_MASK 0x04 477 #define VX_CUER_ML_BITC_SEL_MASK 0x02 478 #define VX_CUER_LL_BITC_SEL_MASK 0x01 479 480 #define XX_UER_CBITS_OFFSET_MASK 0x1f 481 482 483 /* bits for audio_info */ 484 #define VX_AUDIO_INFO_REAL_TIME (1<<0) /* real-time processing available */ 485 #define VX_AUDIO_INFO_OFFLINE (1<<1) /* offline processing available */ 486 #define VX_AUDIO_INFO_MPEG1 (1<<5) 487 #define VX_AUDIO_INFO_MPEG2 (1<<6) 488 #define VX_AUDIO_INFO_LINEAR_8 (1<<7) 489 #define VX_AUDIO_INFO_LINEAR_16 (1<<8) 490 #define VX_AUDIO_INFO_LINEAR_24 (1<<9) 491 492 /* DSP Interrupt Request values */ 493 #define VXP_IRQ_OFFSET 0x40 /* add 0x40 offset for vxpocket and vx222/v2 */ 494 /* call with vx_send_irq_dsp() */ 495 #define IRQ_MESS_WRITE_END 0x30 496 #define IRQ_MESS_WRITE_NEXT 0x32 497 #define IRQ_MESS_READ_NEXT 0x34 498 #define IRQ_MESS_READ_END 0x36 499 #define IRQ_MESSAGE 0x38 500 #define IRQ_RESET_CHK 0x3A 501 #define IRQ_CONNECT_STREAM_NEXT 0x26 502 #define IRQ_CONNECT_STREAM_END 0x28 503 #define IRQ_PAUSE_START_CONNECT 0x2A 504 #define IRQ_END_CONNECTION 0x2C 505 506 /* Is there async. events pending ( IT Source Test ) */ 507 #define ASYNC_EVENTS_PENDING 0x008000 508 #define HBUFFER_EVENTS_PENDING 0x004000 // Not always accurate 509 #define NOTIF_EVENTS_PENDING 0x002000 510 #define TIME_CODE_EVENT_PENDING 0x001000 511 #define FREQUENCY_CHANGE_EVENT_PENDING 0x000800 512 #define END_OF_BUFFER_EVENTS_PENDING 0x000400 513 #define FATAL_DSP_ERROR 0xff0000 514 515 /* Stream Format Header Defines */ 516 #define HEADER_FMT_BASE 0xFED00000 517 #define HEADER_FMT_MONO 0x000000C0 518 #define HEADER_FMT_INTEL 0x00008000 519 #define HEADER_FMT_16BITS 0x00002000 520 #define HEADER_FMT_24BITS 0x00004000 521 #define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k.*/ 522 #define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less then 32k.*/ 523 524 /* Constants used to access the Codec */ 525 #define XX_CODEC_SELECTOR 0x20 526 /* codec commands */ 527 #define XX_CODEC_ADC_CONTROL_REGISTER 0x01 528 #define XX_CODEC_DAC_CONTROL_REGISTER 0x02 529 #define XX_CODEC_LEVEL_LEFT_REGISTER 0x03 530 #define XX_CODEC_LEVEL_RIGHT_REGISTER 0x04 531 #define XX_CODEC_PORT_MODE_REGISTER 0x05 532 #define XX_CODEC_STATUS_REPORT_REGISTER 0x06 533 #define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07 534 535 /* 536 * Audio-level control values 537 */ 538 #define CVAL_M110DB 0x000 /* -110dB */ 539 #define CVAL_M99DB 0x02C 540 #define CVAL_M21DB 0x163 541 #define CVAL_M18DB 0x16F 542 #define CVAL_M10DB 0x18F 543 #define CVAL_0DB 0x1B7 544 #define CVAL_18DB 0x1FF /* +18dB */ 545 #define CVAL_MAX 0x1FF 546 547 #define AUDIO_IO_HAS_MUTE_LEVEL 0x400000 548 #define AUDIO_IO_HAS_MUTE_MONITORING_1 0x200000 549 #define AUDIO_IO_HAS_MUTE_MONITORING_2 0x100000 550 #define VALID_AUDIO_IO_DIGITAL_LEVEL 0x01 551 #define VALID_AUDIO_IO_MONITORING_LEVEL 0x02 552 #define VALID_AUDIO_IO_MUTE_LEVEL 0x04 553 #define VALID_AUDIO_IO_MUTE_MONITORING_1 0x08 554 #define VALID_AUDIO_IO_MUTE_MONITORING_2 0x10 555 556 557 #endif /* __SOUND_VX_COMMON_H */ 558