include/sound/vx_core.h

   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         struct snd_vx_hardware *hw;
 151         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, struct snd_vx_hardware *hw,
 197                               struct snd_vx_ops *ops, int extra_size);
 198 int snd_vx_setup_firmware(struct vx_core *chip);
 199 int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);
 200 int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);
 201 int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp);
 202
 203 void snd_vx_free_firmware(struct vx_core *chip);
 204
 205 /*
 206  * interrupt handler; exported for pcmcia
 207  */
 208 irqreturn_t snd_vx_irq_handler(int irq, void *dev);
 209 irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev);
 210
 211 /*
 212  * lowlevel functions
 213  */
 214 static inline int vx_test_and_ack(struct vx_core *chip)
 215 {
 216         return chip->ops->test_and_ack(chip);
 217 }
 218
 219 static inline void vx_validate_irq(struct vx_core *chip, int enable)
 220 {
 221         chip->ops->validate_irq(chip, enable);
 222 }
 223
 224 static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
 225 {
 226         return chip->ops->in8(chip, reg);
 227 }
 228
 229 static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
 230 {
 231         return chip->ops->in32(chip, reg);
 232 }
 233
 234 static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
 235 {
 236         chip->ops->out8(chip, reg, val);
 237 }
 238
 239 static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
 240 {
 241         chip->ops->out32(chip, reg, val);
 242 }
 243
 244 #define vx_inb(chip,reg)        snd_vx_inb(chip, VX_##reg)
 245 #define vx_outb(chip,reg,val)   snd_vx_outb(chip, VX_##reg,val)
 246 #define vx_inl(chip,reg)        snd_vx_inl(chip, VX_##reg)
 247 #define vx_outl(chip,reg,val)   snd_vx_outl(chip, VX_##reg,val)
 248
 249 static inline void vx_reset_dsp(struct vx_core *chip)
 250 {
 251         chip->ops->reset_dsp(chip);
 252 }
 253
 254 int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);
 255 int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);
 256 int vx_send_rih(struct vx_core *chip, int cmd);
 257 int vx_send_rih_nolock(struct vx_core *chip, int cmd);
 258
 259 void vx_reset_codec(struct vx_core *chip, int cold_reset);
 260
 261 /*
 262  * check the bit on the specified register
 263  * returns zero if a bit matches, or a negative error code.
 264  * exported for vxpocket driver
 265  */
 266 int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);
 267 #define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
 268 #define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
 269 #define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
 270
 271
 272 /*
 273  * pseudo-DMA transfer
 274  */
 275 static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
 276                                        struct vx_pipe *pipe, int count)
 277 {
 278         chip->ops->dma_write(chip, runtime, pipe, count);
 279 }
 280
 281 static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
 282                                       struct vx_pipe *pipe, int count)
 283 {
 284         chip->ops->dma_read(chip, runtime, pipe, count);
 285 }
 286
 287
 288
 289 /* error with hardware code,
 290  * the return value is -(VX_ERR_MASK | actual-hw-error-code)
 291  */
 292 #define VX_ERR_MASK     0x1000000
 293 #define vx_get_error(err)       (-(err) & ~VX_ERR_MASK)
 294
 295
 296 /*
 297  * pcm stuff
 298  */
 299 int snd_vx_pcm_new(struct vx_core *chip);
 300 void vx_pcm_update_intr(struct vx_core *chip, unsigned int events);
 301
 302 /*
 303  * mixer stuff
 304  */
 305 int snd_vx_mixer_new(struct vx_core *chip);
 306 void vx_toggle_dac_mute(struct vx_core *chip, int mute);
 307 int vx_sync_audio_source(struct vx_core *chip);
 308 int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
 309
 310 /*
 311  * IEC958 & clock stuff
 312  */
 313 void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);
 314 int vx_set_clock(struct vx_core *chip, unsigned int freq);
 315 void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
 316 int vx_change_frequency(struct vx_core *chip);
 317
 318
 319 /*
 320  * PM
 321  */
 322 int snd_vx_suspend(struct vx_core *card);
 323 int snd_vx_resume(struct vx_core *card);
 324
 325 /*
 326  * hardware constants
 327  */
 328
 329 #define vx_has_new_dsp(chip)    ((chip)->type != VX_TYPE_BOARD)
 330 #define vx_is_pcmcia(chip)      ((chip)->type >= VX_TYPE_VXPOCKET)
 331
 332 /* audio input source */
 333 enum {
 334         VX_AUDIO_SRC_DIGITAL,
 335         VX_AUDIO_SRC_LINE,
 336         VX_AUDIO_SRC_MIC
 337 };
 338
 339 /* clock source */
 340 enum {
 341         INTERNAL_QUARTZ,
 342         UER_SYNC
 343 };
 344
 345 /* clock mode */
 346 enum {
 347         VX_CLOCK_MODE_AUTO,     /* depending on the current audio source */
 348         VX_CLOCK_MODE_INTERNAL, /* fixed to internal quartz */
 349         VX_CLOCK_MODE_EXTERNAL  /* fixed to UER sync */
 350 };
 351
 352 /* SPDIF/UER type */
 353 enum {
 354         VX_UER_MODE_CONSUMER,
 355         VX_UER_MODE_PROFESSIONAL,
 356         VX_UER_MODE_NOT_PRESENT,
 357 };
 358
 359 /* register indices */
 360 enum {
 361         VX_ICR,
 362         VX_CVR,
 363         VX_ISR,
 364         VX_IVR,
 365         VX_RXH,
 366         VX_TXH = VX_RXH,
 367         VX_RXM,
 368         VX_TXM = VX_RXM,
 369         VX_RXL,
 370         VX_TXL = VX_RXL,
 371         VX_DMA,
 372         VX_CDSP,
 373         VX_RFREQ,
 374         VX_RUER_V2,
 375         VX_GAIN,
 376         VX_DATA = VX_GAIN,
 377         VX_MEMIRQ,
 378         VX_ACQ,
 379         VX_BIT0,
 380         VX_BIT1,
 381         VX_MIC0,
 382         VX_MIC1,
 383         VX_MIC2,
 384         VX_MIC3,
 385         VX_PLX0,
 386         VX_PLX1,
 387         VX_PLX2,
 388
 389         VX_LOFREQ,  // V2: ACQ, VP: RFREQ
 390         VX_HIFREQ,  // V2: BIT0, VP: RUER_V2
 391         VX_CSUER,   // V2: BIT1, VP: BIT0
 392         VX_RUER,    // V2: RUER_V2, VP: BIT1
 393
 394         VX_REG_MAX,
 395
 396         /* aliases for VX board */
 397         VX_RESET_DMA = VX_ISR,
 398         VX_CFG = VX_RFREQ,
 399         VX_STATUS = VX_MEMIRQ,
 400         VX_SELMIC = VX_MIC0,
 401         VX_COMPOT = VX_MIC1,
 402         VX_SCOMPR = VX_MIC2,
 403         VX_GLIMIT = VX_MIC3,
 404         VX_INTCSR = VX_PLX0,
 405         VX_CNTRL = VX_PLX1,
 406         VX_GPIOC = VX_PLX2,
 407
 408         /* aliases for VXPOCKET board */
 409         VX_MICRO = VX_MEMIRQ,
 410         VX_CODEC2 = VX_MEMIRQ,
 411         VX_DIALOG = VX_ACQ,
 412
 413 };
 414
 415 /* RMH status type */
 416 enum {
 417         RMH_SSIZE_FIXED = 0,    /* status size given by the driver (in LgStat) */
 418         RMH_SSIZE_ARG = 1,      /* status size given in the LSB byte */
 419         RMH_SSIZE_MASK = 2,     /* status size given in bitmask */
 420 };
 421
 422
 423 /* bits for ICR register */
 424 #define ICR_HF1         0x10
 425 #define ICR_HF0         0x08
 426 #define ICR_TREQ        0x02    /* Interrupt mode + HREQ set on for transfer (->DSP) request */
 427 #define ICR_RREQ        0x01    /* Interrupt mode + RREQ set on for transfer (->PC) request */
 428
 429 /* bits for CVR register */
 430 #define CVR_HC          0x80
 431
 432 /* bits for ISR register */
 433 #define ISR_HF3         0x10
 434 #define ISR_HF2         0x08
 435 #define ISR_CHK         0x10
 436 #define ISR_ERR         0x08
 437 #define ISR_TX_READY    0x04
 438 #define ISR_TX_EMPTY    0x02
 439 #define ISR_RX_FULL     0x01
 440
 441 /* Constants used to access the DATA register */
 442 #define VX_DATA_CODEC_MASK      0x80
 443 #define VX_DATA_XICOR_MASK      0x80
 444
 445 /* Constants used to access the CSUER register (both for VX2 and VXP) */
 446 #define VX_SUER_FREQ_MASK               0x0c
 447 #define VX_SUER_FREQ_32KHz_MASK         0x0c
 448 #define VX_SUER_FREQ_44KHz_MASK         0x00
 449 #define VX_SUER_FREQ_48KHz_MASK         0x04
 450 #define VX_SUER_DATA_PRESENT_MASK       0x02
 451 #define VX_SUER_CLOCK_PRESENT_MASK      0x01
 452
 453 #define VX_CUER_HH_BITC_SEL_MASK        0x08
 454 #define VX_CUER_MH_BITC_SEL_MASK        0x04
 455 #define VX_CUER_ML_BITC_SEL_MASK        0x02
 456 #define VX_CUER_LL_BITC_SEL_MASK        0x01
 457
 458 #define XX_UER_CBITS_OFFSET_MASK        0x1f
 459
 460
 461 /* bits for audio_info */
 462 #define VX_AUDIO_INFO_REAL_TIME (1<<0)  /* real-time processing available */
 463 #define VX_AUDIO_INFO_OFFLINE   (1<<1)  /* offline processing available */
 464 #define VX_AUDIO_INFO_MPEG1     (1<<5)
 465 #define VX_AUDIO_INFO_MPEG2     (1<<6)
 466 #define VX_AUDIO_INFO_LINEAR_8  (1<<7)
 467 #define VX_AUDIO_INFO_LINEAR_16 (1<<8)
 468 #define VX_AUDIO_INFO_LINEAR_24 (1<<9)
 469
 470 /* DSP Interrupt Request values */
 471 #define VXP_IRQ_OFFSET          0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
 472 /* call with vx_send_irq_dsp() */
 473 #define IRQ_MESS_WRITE_END          0x30
 474 #define IRQ_MESS_WRITE_NEXT         0x32
 475 #define IRQ_MESS_READ_NEXT          0x34
 476 #define IRQ_MESS_READ_END           0x36
 477 #define IRQ_MESSAGE                 0x38
 478 #define IRQ_RESET_CHK               0x3A
 479 #define IRQ_CONNECT_STREAM_NEXT     0x26
 480 #define IRQ_CONNECT_STREAM_END      0x28
 481 #define IRQ_PAUSE_START_CONNECT     0x2A
 482 #define IRQ_END_CONNECTION          0x2C
 483
 484 /* Is there async. events pending ( IT Source Test ) */
 485 #define ASYNC_EVENTS_PENDING            0x008000
 486 #define HBUFFER_EVENTS_PENDING          0x004000   // Not always accurate
 487 #define NOTIF_EVENTS_PENDING            0x002000
 488 #define TIME_CODE_EVENT_PENDING         0x001000
 489 #define FREQUENCY_CHANGE_EVENT_PENDING  0x000800
 490 #define END_OF_BUFFER_EVENTS_PENDING    0x000400
 491 #define FATAL_DSP_ERROR                 0xff0000
 492
 493 /* Stream Format Header Defines */
 494 #define HEADER_FMT_BASE                 0xFED00000
 495 #define HEADER_FMT_MONO                 0x000000C0
 496 #define HEADER_FMT_INTEL                0x00008000
 497 #define HEADER_FMT_16BITS               0x00002000
 498 #define HEADER_FMT_24BITS               0x00004000
 499 #define HEADER_FMT_UPTO11               0x00000200      /* frequency is less or equ. to 11k.*/
 500 #define HEADER_FMT_UPTO32               0x00000100      /* frequency is over 11k and less then 32k.*/
 501
 502 /* Constants used to access the Codec */
 503 #define XX_CODEC_SELECTOR               0x20
 504 /* codec commands */
 505 #define XX_CODEC_ADC_CONTROL_REGISTER   0x01
 506 #define XX_CODEC_DAC_CONTROL_REGISTER   0x02
 507 #define XX_CODEC_LEVEL_LEFT_REGISTER    0x03
 508 #define XX_CODEC_LEVEL_RIGHT_REGISTER   0x04
 509 #define XX_CODEC_PORT_MODE_REGISTER     0x05
 510 #define XX_CODEC_STATUS_REPORT_REGISTER 0x06
 511 #define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
 512
 513 /*
 514  * Audio-level control values
 515  */
 516 #define CVAL_M110DB             0x000   /* -110dB */
 517 #define CVAL_M99DB              0x02C
 518 #define CVAL_M21DB              0x163
 519 #define CVAL_M18DB              0x16F
 520 #define CVAL_M10DB              0x18F
 521 #define CVAL_0DB                0x1B7
 522 #define CVAL_18DB               0x1FF   /* +18dB */
 523 #define CVAL_MAX                0x1FF
 524
 525 #define AUDIO_IO_HAS_MUTE_LEVEL                 0x400000
 526 #define AUDIO_IO_HAS_MUTE_MONITORING_1          0x200000
 527 #define AUDIO_IO_HAS_MUTE_MONITORING_2          0x100000
 528 #define VALID_AUDIO_IO_DIGITAL_LEVEL            0x01
 529 #define VALID_AUDIO_IO_MONITORING_LEVEL         0x02
 530 #define VALID_AUDIO_IO_MUTE_LEVEL               0x04
 531 #define VALID_AUDIO_IO_MUTE_MONITORING_1        0x08
 532 #define VALID_AUDIO_IO_MUTE_MONITORING_2        0x10
 533
 534
 535 #endif /* __SOUND_VX_COMMON_H */