1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Driver for Digigram VX soundcards 4 * 5 * Hardware core part 6 * 7 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 8 */ 9 10 #ifndef __SOUND_VX_COMMON_H 11 #define __SOUND_VX_COMMON_H 12 13 #include <sound/pcm.h> 14 #include <sound/hwdep.h> 15 #include <linux/interrupt.h> 16 17 struct firmware; 18 struct device; 19 20 #define VX_DRIVER_VERSION 0x010000 /* 1.0.0 */ 21 22 /* 23 */ 24 #define SIZE_MAX_CMD 0x10 25 #define SIZE_MAX_STATUS 0x10 26 27 struct vx_rmh { 28 u16 LgCmd; /* length of the command to send (WORDs) */ 29 u16 LgStat; /* length of the status received (WORDs) */ 30 u32 Cmd[SIZE_MAX_CMD]; 31 u32 Stat[SIZE_MAX_STATUS]; 32 u16 DspStat; /* status type, RMP_SSIZE_XXX */ 33 }; 34 35 typedef u64 pcx_time_t; 36 37 #define VX_MAX_PIPES 16 38 #define VX_MAX_PERIODS 32 39 #define VX_MAX_CODECS 2 40 41 struct vx_ibl_info { 42 int size; /* the current IBL size (0 = query) in bytes */ 43 int max_size; /* max. IBL size in bytes */ 44 int min_size; /* min. IBL size in bytes */ 45 int granularity; /* granularity */ 46 }; 47 48 struct vx_pipe { 49 int number; 50 unsigned int is_capture: 1; 51 unsigned int data_mode: 1; 52 unsigned int running: 1; 53 unsigned int prepared: 1; 54 int channels; 55 unsigned int differed_type; 56 pcx_time_t pcx_time; 57 struct snd_pcm_substream *substream; 58 59 int hbuf_size; /* H-buffer size in bytes */ 60 int buffer_bytes; /* the ALSA pcm buffer size in bytes */ 61 int period_bytes; /* the ALSA pcm period size in bytes */ 62 int hw_ptr; /* the current hardware pointer in bytes */ 63 int position; /* the current position in frames (playback only) */ 64 int transferred; /* the transferred size (per period) in frames */ 65 int align; /* size of alignment */ 66 u64 cur_count; /* current sample position (for playback) */ 67 68 unsigned int references; /* an output pipe may be used for monitoring and/or playback */ 69 struct vx_pipe *monitoring_pipe; /* pointer to the monitoring pipe (capture pipe only)*/ 70 }; 71 72 struct vx_core; 73 74 struct snd_vx_ops { 75 /* low-level i/o */ 76 unsigned char (*in8)(struct vx_core *chip, int reg); 77 unsigned int (*in32)(struct vx_core *chip, int reg); 78 void (*out8)(struct vx_core *chip, int reg, unsigned char val); 79 void (*out32)(struct vx_core *chip, int reg, unsigned int val); 80 /* irq */ 81 int (*test_and_ack)(struct vx_core *chip); 82 void (*validate_irq)(struct vx_core *chip, int enable); 83 /* codec */ 84 void (*write_codec)(struct vx_core *chip, int codec, unsigned int data); 85 void (*akm_write)(struct vx_core *chip, int reg, unsigned int data); 86 void (*reset_codec)(struct vx_core *chip); 87 void (*change_audio_source)(struct vx_core *chip, int src); 88 void (*set_clock_source)(struct vx_core *chp, int src); 89 /* chip init */ 90 int (*load_dsp)(struct vx_core *chip, int idx, const struct firmware *fw); 91 void (*reset_dsp)(struct vx_core *chip); 92 void (*reset_board)(struct vx_core *chip, int cold_reset); 93 int (*add_controls)(struct vx_core *chip); 94 /* pcm */ 95 void (*dma_write)(struct vx_core *chip, struct snd_pcm_runtime *runtime, 96 struct vx_pipe *pipe, int count); 97 void (*dma_read)(struct vx_core *chip, struct snd_pcm_runtime *runtime, 98 struct vx_pipe *pipe, int count); 99 }; 100 101 struct snd_vx_hardware { 102 const char *name; 103 int type; /* VX_TYPE_XXX */ 104 105 /* hardware specs */ 106 unsigned int num_codecs; 107 unsigned int num_ins; 108 unsigned int num_outs; 109 unsigned int output_level_max; 110 const unsigned int *output_level_db_scale; 111 }; 112 113 /* hwdep id string */ 114 #define SND_VX_HWDEP_ID "VX Loader" 115 116 /* hardware type */ 117 enum { 118 /* VX222 PCI */ 119 VX_TYPE_BOARD, /* old VX222 PCI */ 120 VX_TYPE_V2, /* VX222 V2 PCI */ 121 VX_TYPE_MIC, /* VX222 Mic PCI */ 122 /* VX-pocket */ 123 VX_TYPE_VXPOCKET, /* VXpocket V2 */ 124 VX_TYPE_VXP440, /* VXpocket 440 */ 125 VX_TYPE_NUMS 126 }; 127 128 /* chip status */ 129 enum { 130 VX_STAT_XILINX_LOADED = (1 << 0), /* devices are registered */ 131 VX_STAT_DEVICE_INIT = (1 << 1), /* devices are registered */ 132 VX_STAT_CHIP_INIT = (1 << 2), /* all operational */ 133 VX_STAT_IN_SUSPEND = (1 << 10), /* in suspend phase */ 134 VX_STAT_IS_STALE = (1 << 15) /* device is stale */ 135 }; 136 137 /* min/max values for analog output for old codecs */ 138 #define VX_ANALOG_OUT_LEVEL_MAX 0xe3 139 140 struct vx_core { 141 /* ALSA stuff */ 142 struct snd_card *card; 143 struct snd_pcm *pcm[VX_MAX_CODECS]; 144 int type; /* VX_TYPE_XXX */ 145 146 int irq; 147 /* ports are defined externally */ 148 149 /* low-level functions */ 150 const struct snd_vx_hardware *hw; 151 const struct snd_vx_ops *ops; 152 153 struct mutex lock; 154 155 unsigned int chip_status; 156 unsigned int pcm_running; 157 158 struct device *dev; 159 struct snd_hwdep *hwdep; 160 161 struct vx_rmh irq_rmh; /* RMH used in interrupts */ 162 163 unsigned int audio_info; /* see VX_AUDIO_INFO */ 164 unsigned int audio_ins; 165 unsigned int audio_outs; 166 struct vx_pipe **playback_pipes; 167 struct vx_pipe **capture_pipes; 168 169 /* clock and audio sources */ 170 unsigned int audio_source; /* current audio input source */ 171 unsigned int audio_source_target; 172 unsigned int clock_mode; /* clock mode (VX_CLOCK_MODE_XXX) */ 173 unsigned int clock_source; /* current clock source (INTERNAL_QUARTZ or UER_SYNC) */ 174 unsigned int freq; /* current frequency */ 175 unsigned int freq_detected; /* detected frequency from digital in */ 176 unsigned int uer_detected; /* VX_UER_MODE_XXX */ 177 unsigned int uer_bits; /* IEC958 status bits */ 178 struct vx_ibl_info ibl; /* IBL information */ 179 180 /* mixer setting */ 181 int output_level[VX_MAX_CODECS][2]; /* analog output level */ 182 int audio_gain[2][4]; /* digital audio level (playback/capture) */ 183 unsigned char audio_active[4]; /* mute/unmute on digital playback */ 184 int audio_monitor[4]; /* playback hw-monitor level */ 185 unsigned char audio_monitor_active[4]; /* playback hw-monitor mute/unmute */ 186 187 struct mutex mixer_mutex; 188 189 const struct firmware *firmware[4]; /* loaded firmware data */ 190 }; 191 192 193 /* 194 * constructor 195 */ 196 struct vx_core *snd_vx_create(struct snd_card *card, 197 const struct snd_vx_hardware *hw, 198 const struct snd_vx_ops *ops, int extra_size); 199 int snd_vx_setup_firmware(struct vx_core *chip); 200 int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp); 201 int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp); 202 int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp); 203 204 void snd_vx_free_firmware(struct vx_core *chip); 205 206 /* 207 * interrupt handler; exported for pcmcia 208 */ 209 irqreturn_t snd_vx_irq_handler(int irq, void *dev); 210 irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev); 211 212 /* 213 * lowlevel functions 214 */ 215 static inline int vx_test_and_ack(struct vx_core *chip) 216 { 217 return chip->ops->test_and_ack(chip); 218 } 219 220 static inline void vx_validate_irq(struct vx_core *chip, int enable) 221 { 222 chip->ops->validate_irq(chip, enable); 223 } 224 225 static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg) 226 { 227 return chip->ops->in8(chip, reg); 228 } 229 230 static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg) 231 { 232 return chip->ops->in32(chip, reg); 233 } 234 235 static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val) 236 { 237 chip->ops->out8(chip, reg, val); 238 } 239 240 static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val) 241 { 242 chip->ops->out32(chip, reg, val); 243 } 244 245 #define vx_inb(chip,reg) snd_vx_inb(chip, VX_##reg) 246 #define vx_outb(chip,reg,val) snd_vx_outb(chip, VX_##reg,val) 247 #define vx_inl(chip,reg) snd_vx_inl(chip, VX_##reg) 248 #define vx_outl(chip,reg,val) snd_vx_outl(chip, VX_##reg,val) 249 250 static inline void vx_reset_dsp(struct vx_core *chip) 251 { 252 chip->ops->reset_dsp(chip); 253 } 254 255 int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh); 256 int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh); 257 int vx_send_rih(struct vx_core *chip, int cmd); 258 int vx_send_rih_nolock(struct vx_core *chip, int cmd); 259 260 void vx_reset_codec(struct vx_core *chip, int cold_reset); 261 262 /* 263 * check the bit on the specified register 264 * returns zero if a bit matches, or a negative error code. 265 * exported for vxpocket driver 266 */ 267 int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time); 268 #define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time) 269 #define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200) 270 #define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL) 271 272 273 /* 274 * pseudo-DMA transfer 275 */ 276 static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime, 277 struct vx_pipe *pipe, int count) 278 { 279 chip->ops->dma_write(chip, runtime, pipe, count); 280 } 281 282 static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime, 283 struct vx_pipe *pipe, int count) 284 { 285 chip->ops->dma_read(chip, runtime, pipe, count); 286 } 287 288 289 290 /* error with hardware code, 291 * the return value is -(VX_ERR_MASK | actual-hw-error-code) 292 */ 293 #define VX_ERR_MASK 0x1000000 294 #define vx_get_error(err) (-(err) & ~VX_ERR_MASK) 295 296 297 /* 298 * pcm stuff 299 */ 300 int snd_vx_pcm_new(struct vx_core *chip); 301 void vx_pcm_update_intr(struct vx_core *chip, unsigned int events); 302 303 /* 304 * mixer stuff 305 */ 306 int snd_vx_mixer_new(struct vx_core *chip); 307 void vx_toggle_dac_mute(struct vx_core *chip, int mute); 308 int vx_sync_audio_source(struct vx_core *chip); 309 int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active); 310 311 /* 312 * IEC958 & clock stuff 313 */ 314 void vx_set_iec958_status(struct vx_core *chip, unsigned int bits); 315 int vx_set_clock(struct vx_core *chip, unsigned int freq); 316 void vx_set_internal_clock(struct vx_core *chip, unsigned int freq); 317 int vx_change_frequency(struct vx_core *chip); 318 319 320 /* 321 * PM 322 */ 323 int snd_vx_suspend(struct vx_core *card); 324 int snd_vx_resume(struct vx_core *card); 325 326 /* 327 * hardware constants 328 */ 329 330 #define vx_has_new_dsp(chip) ((chip)->type != VX_TYPE_BOARD) 331 #define vx_is_pcmcia(chip) ((chip)->type >= VX_TYPE_VXPOCKET) 332 333 /* audio input source */ 334 enum { 335 VX_AUDIO_SRC_DIGITAL, 336 VX_AUDIO_SRC_LINE, 337 VX_AUDIO_SRC_MIC 338 }; 339 340 /* clock source */ 341 enum { 342 INTERNAL_QUARTZ, 343 UER_SYNC 344 }; 345 346 /* clock mode */ 347 enum { 348 VX_CLOCK_MODE_AUTO, /* depending on the current audio source */ 349 VX_CLOCK_MODE_INTERNAL, /* fixed to internal quartz */ 350 VX_CLOCK_MODE_EXTERNAL /* fixed to UER sync */ 351 }; 352 353 /* SPDIF/UER type */ 354 enum { 355 VX_UER_MODE_CONSUMER, 356 VX_UER_MODE_PROFESSIONAL, 357 VX_UER_MODE_NOT_PRESENT, 358 }; 359 360 /* register indices */ 361 enum { 362 VX_ICR, 363 VX_CVR, 364 VX_ISR, 365 VX_IVR, 366 VX_RXH, 367 VX_TXH = VX_RXH, 368 VX_RXM, 369 VX_TXM = VX_RXM, 370 VX_RXL, 371 VX_TXL = VX_RXL, 372 VX_DMA, 373 VX_CDSP, 374 VX_RFREQ, 375 VX_RUER_V2, 376 VX_GAIN, 377 VX_DATA = VX_GAIN, 378 VX_MEMIRQ, 379 VX_ACQ, 380 VX_BIT0, 381 VX_BIT1, 382 VX_MIC0, 383 VX_MIC1, 384 VX_MIC2, 385 VX_MIC3, 386 VX_PLX0, 387 VX_PLX1, 388 VX_PLX2, 389 390 VX_LOFREQ, // V2: ACQ, VP: RFREQ 391 VX_HIFREQ, // V2: BIT0, VP: RUER_V2 392 VX_CSUER, // V2: BIT1, VP: BIT0 393 VX_RUER, // V2: RUER_V2, VP: BIT1 394 395 VX_REG_MAX, 396 397 /* aliases for VX board */ 398 VX_RESET_DMA = VX_ISR, 399 VX_CFG = VX_RFREQ, 400 VX_STATUS = VX_MEMIRQ, 401 VX_SELMIC = VX_MIC0, 402 VX_COMPOT = VX_MIC1, 403 VX_SCOMPR = VX_MIC2, 404 VX_GLIMIT = VX_MIC3, 405 VX_INTCSR = VX_PLX0, 406 VX_CNTRL = VX_PLX1, 407 VX_GPIOC = VX_PLX2, 408 409 /* aliases for VXPOCKET board */ 410 VX_MICRO = VX_MEMIRQ, 411 VX_CODEC2 = VX_MEMIRQ, 412 VX_DIALOG = VX_ACQ, 413 414 }; 415 416 /* RMH status type */ 417 enum { 418 RMH_SSIZE_FIXED = 0, /* status size given by the driver (in LgStat) */ 419 RMH_SSIZE_ARG = 1, /* status size given in the LSB byte */ 420 RMH_SSIZE_MASK = 2, /* status size given in bitmask */ 421 }; 422 423 424 /* bits for ICR register */ 425 #define ICR_HF1 0x10 426 #define ICR_HF0 0x08 427 #define ICR_TREQ 0x02 /* Interrupt mode + HREQ set on for transfer (->DSP) request */ 428 #define ICR_RREQ 0x01 /* Interrupt mode + RREQ set on for transfer (->PC) request */ 429 430 /* bits for CVR register */ 431 #define CVR_HC 0x80 432 433 /* bits for ISR register */ 434 #define ISR_HF3 0x10 435 #define ISR_HF2 0x08 436 #define ISR_CHK 0x10 437 #define ISR_ERR 0x08 438 #define ISR_TX_READY 0x04 439 #define ISR_TX_EMPTY 0x02 440 #define ISR_RX_FULL 0x01 441 442 /* Constants used to access the DATA register */ 443 #define VX_DATA_CODEC_MASK 0x80 444 #define VX_DATA_XICOR_MASK 0x80 445 446 /* Constants used to access the CSUER register (both for VX2 and VXP) */ 447 #define VX_SUER_FREQ_MASK 0x0c 448 #define VX_SUER_FREQ_32KHz_MASK 0x0c 449 #define VX_SUER_FREQ_44KHz_MASK 0x00 450 #define VX_SUER_FREQ_48KHz_MASK 0x04 451 #define VX_SUER_DATA_PRESENT_MASK 0x02 452 #define VX_SUER_CLOCK_PRESENT_MASK 0x01 453 454 #define VX_CUER_HH_BITC_SEL_MASK 0x08 455 #define VX_CUER_MH_BITC_SEL_MASK 0x04 456 #define VX_CUER_ML_BITC_SEL_MASK 0x02 457 #define VX_CUER_LL_BITC_SEL_MASK 0x01 458 459 #define XX_UER_CBITS_OFFSET_MASK 0x1f 460 461 462 /* bits for audio_info */ 463 #define VX_AUDIO_INFO_REAL_TIME (1<<0) /* real-time processing available */ 464 #define VX_AUDIO_INFO_OFFLINE (1<<1) /* offline processing available */ 465 #define VX_AUDIO_INFO_MPEG1 (1<<5) 466 #define VX_AUDIO_INFO_MPEG2 (1<<6) 467 #define VX_AUDIO_INFO_LINEAR_8 (1<<7) 468 #define VX_AUDIO_INFO_LINEAR_16 (1<<8) 469 #define VX_AUDIO_INFO_LINEAR_24 (1<<9) 470 471 /* DSP Interrupt Request values */ 472 #define VXP_IRQ_OFFSET 0x40 /* add 0x40 offset for vxpocket and vx222/v2 */ 473 /* call with vx_send_irq_dsp() */ 474 #define IRQ_MESS_WRITE_END 0x30 475 #define IRQ_MESS_WRITE_NEXT 0x32 476 #define IRQ_MESS_READ_NEXT 0x34 477 #define IRQ_MESS_READ_END 0x36 478 #define IRQ_MESSAGE 0x38 479 #define IRQ_RESET_CHK 0x3A 480 #define IRQ_CONNECT_STREAM_NEXT 0x26 481 #define IRQ_CONNECT_STREAM_END 0x28 482 #define IRQ_PAUSE_START_CONNECT 0x2A 483 #define IRQ_END_CONNECTION 0x2C 484 485 /* Is there async. events pending ( IT Source Test ) */ 486 #define ASYNC_EVENTS_PENDING 0x008000 487 #define HBUFFER_EVENTS_PENDING 0x004000 // Not always accurate 488 #define NOTIF_EVENTS_PENDING 0x002000 489 #define TIME_CODE_EVENT_PENDING 0x001000 490 #define FREQUENCY_CHANGE_EVENT_PENDING 0x000800 491 #define END_OF_BUFFER_EVENTS_PENDING 0x000400 492 #define FATAL_DSP_ERROR 0xff0000 493 494 /* Stream Format Header Defines */ 495 #define HEADER_FMT_BASE 0xFED00000 496 #define HEADER_FMT_MONO 0x000000C0 497 #define HEADER_FMT_INTEL 0x00008000 498 #define HEADER_FMT_16BITS 0x00002000 499 #define HEADER_FMT_24BITS 0x00004000 500 #define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k.*/ 501 #define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less then 32k.*/ 502 503 /* Constants used to access the Codec */ 504 #define XX_CODEC_SELECTOR 0x20 505 /* codec commands */ 506 #define XX_CODEC_ADC_CONTROL_REGISTER 0x01 507 #define XX_CODEC_DAC_CONTROL_REGISTER 0x02 508 #define XX_CODEC_LEVEL_LEFT_REGISTER 0x03 509 #define XX_CODEC_LEVEL_RIGHT_REGISTER 0x04 510 #define XX_CODEC_PORT_MODE_REGISTER 0x05 511 #define XX_CODEC_STATUS_REPORT_REGISTER 0x06 512 #define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07 513 514 /* 515 * Audio-level control values 516 */ 517 #define CVAL_M110DB 0x000 /* -110dB */ 518 #define CVAL_M99DB 0x02C 519 #define CVAL_M21DB 0x163 520 #define CVAL_M18DB 0x16F 521 #define CVAL_M10DB 0x18F 522 #define CVAL_0DB 0x1B7 523 #define CVAL_18DB 0x1FF /* +18dB */ 524 #define CVAL_MAX 0x1FF 525 526 #define AUDIO_IO_HAS_MUTE_LEVEL 0x400000 527 #define AUDIO_IO_HAS_MUTE_MONITORING_1 0x200000 528 #define AUDIO_IO_HAS_MUTE_MONITORING_2 0x100000 529 #define VALID_AUDIO_IO_DIGITAL_LEVEL 0x01 530 #define VALID_AUDIO_IO_MONITORING_LEVEL 0x02 531 #define VALID_AUDIO_IO_MUTE_LEVEL 0x04 532 #define VALID_AUDIO_IO_MUTE_MONITORING_1 0x08 533 #define VALID_AUDIO_IO_MUTE_MONITORING_2 0x10 534 535 536 #endif /* __SOUND_VX_COMMON_H */ 537