1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 #ifndef __SOUND_GUS_H 3 #define __SOUND_GUS_H 4 5 /* 6 * Global structures used for GUS part of ALSA driver 7 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 8 */ 9 10 #include <sound/pcm.h> 11 #include <sound/rawmidi.h> 12 #include <sound/timer.h> 13 #include <sound/seq_midi_emul.h> 14 #include <sound/seq_device.h> 15 #include <linux/io.h> 16 17 /* IO ports */ 18 19 #define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x) 20 21 #define SNDRV_g_u_s_MIDICTRL (0x320-0x220) 22 #define SNDRV_g_u_s_MIDISTAT (0x320-0x220) 23 #define SNDRV_g_u_s_MIDIDATA (0x321-0x220) 24 25 #define SNDRV_g_u_s_GF1PAGE (0x322-0x220) 26 #define SNDRV_g_u_s_GF1REGSEL (0x323-0x220) 27 #define SNDRV_g_u_s_GF1DATALOW (0x324-0x220) 28 #define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220) 29 #define SNDRV_g_u_s_IRQSTAT (0x226-0x220) 30 #define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220) 31 #define SNDRV_g_u_s_TIMERDATA (0x229-0x220) 32 #define SNDRV_g_u_s_DRAM (0x327-0x220) 33 #define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220) 34 #define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220) 35 #define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220) 36 #define SNDRV_g_u_s_BOARDVERSION (0x726-0x220) 37 #define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220) 38 #define SNDRV_g_u_s_IVER (0x325-0x220) 39 #define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220) 40 #define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220) 41 42 /* GF1 registers */ 43 44 /* global registers */ 45 #define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e 46 #define SNDRV_GF1_GB_VOICES_IRQ 0x0f 47 #define SNDRV_GF1_GB_GLOBAL_MODE 0x19 48 #define SNDRV_GF1_GW_LFO_BASE 0x1a 49 #define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f 50 #define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x41 51 #define SNDRV_GF1_GW_DRAM_DMA_LOW 0x42 52 #define SNDRV_GF1_GW_DRAM_IO_LOW 0x43 53 #define SNDRV_GF1_GB_DRAM_IO_HIGH 0x44 54 #define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x45 55 #define SNDRV_GF1_GB_ADLIB_TIMER_1 0x46 56 #define SNDRV_GF1_GB_ADLIB_TIMER_2 0x47 57 #define SNDRV_GF1_GB_RECORD_RATE 0x48 58 #define SNDRV_GF1_GB_REC_DMA_CONTROL 0x49 59 #define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b 60 #define SNDRV_GF1_GB_RESET 0x4c 61 #define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x50 62 #define SNDRV_GF1_GW_DRAM_IO16 0x51 63 #define SNDRV_GF1_GW_MEMORY_CONFIG 0x52 64 #define SNDRV_GF1_GB_MEMORY_CONTROL 0x53 65 #define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x54 66 #define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x55 67 #define SNDRV_GF1_GW_FIFO_SIZE 0x56 68 #define SNDRV_GF1_GW_INTERLEAVE 0x57 69 #define SNDRV_GF1_GB_COMPATIBILITY 0x59 70 #define SNDRV_GF1_GB_DECODE_CONTROL 0x5a 71 #define SNDRV_GF1_GB_VERSION_NUMBER 0x5b 72 #define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c 73 #define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d 74 #define SNDRV_GF1_GB_EMULATION_IRQ 0x60 75 /* voice specific registers */ 76 #define SNDRV_GF1_VB_ADDRESS_CONTROL 0x00 77 #define SNDRV_GF1_VW_FREQUENCY 0x01 78 #define SNDRV_GF1_VW_START_HIGH 0x02 79 #define SNDRV_GF1_VW_START_LOW 0x03 80 #define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH 81 #define SNDRV_GF1_VW_END_HIGH 0x04 82 #define SNDRV_GF1_VW_END_LOW 0x05 83 #define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH 84 #define SNDRV_GF1_VB_VOLUME_RATE 0x06 85 #define SNDRV_GF1_VB_VOLUME_START 0x07 86 #define SNDRV_GF1_VB_VOLUME_END 0x08 87 #define SNDRV_GF1_VW_VOLUME 0x09 88 #define SNDRV_GF1_VW_CURRENT_HIGH 0x0a 89 #define SNDRV_GF1_VW_CURRENT_LOW 0x0b 90 #define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH 91 #define SNDRV_GF1_VB_PAN 0x0c 92 #define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c 93 #define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d 94 #define SNDRV_GF1_VB_UPPER_ADDRESS 0x10 95 #define SNDRV_GF1_VW_EFFECT_HIGH 0x11 96 #define SNDRV_GF1_VW_EFFECT_LOW 0x12 97 #define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH 98 #define SNDRV_GF1_VW_OFFSET_LEFT 0x13 99 #define SNDRV_GF1_VB_ACCUMULATOR 0x14 100 #define SNDRV_GF1_VB_MODE 0x15 101 #define SNDRV_GF1_VW_EFFECT_VOLUME 0x16 102 #define SNDRV_GF1_VB_FREQUENCY_LFO 0x17 103 #define SNDRV_GF1_VB_VOLUME_LFO 0x18 104 #define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b 105 #define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c 106 #define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d 107 108 /* ICS registers */ 109 110 #define SNDRV_ICS_MIC_DEV 0 111 #define SNDRV_ICS_LINE_DEV 1 112 #define SNDRV_ICS_CD_DEV 2 113 #define SNDRV_ICS_GF1_DEV 3 114 #define SNDRV_ICS_NONE_DEV 4 115 #define SNDRV_ICS_MASTER_DEV 5 116 117 /* LFO */ 118 119 #define SNDRV_LFO_TREMOLO 0 120 #define SNDRV_LFO_VIBRATO 1 121 122 /* misc */ 123 124 #define SNDRV_GF1_DMA_UNSIGNED 0x80 125 #define SNDRV_GF1_DMA_16BIT 0x40 126 #define SNDRV_GF1_DMA_IRQ 0x20 127 #define SNDRV_GF1_DMA_WIDTH16 0x04 128 #define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */ 129 #define SNDRV_GF1_DMA_ENABLE 0x01 130 131 /* ramp ranges */ 132 133 #define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x]) 134 #define SNDRV_GF1_MIN_VOLUME 1800 135 #define SNDRV_GF1_MAX_VOLUME 4095 136 #define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4) 137 #define SNDRV_GF1_MAX_OFFSET 255 138 #define SNDRV_GF1_MAX_TDEPTH 90 139 140 /* defines for memory manager */ 141 142 #define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001 143 144 #define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001 145 #define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002 146 #define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003 147 #define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004 148 149 /* constants for interrupt handlers */ 150 151 #define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000 152 #define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000 153 #define SNDRV_GF1_HANDLER_TIMER1 0x00040000 154 #define SNDRV_GF1_HANDLER_TIMER2 0x00080000 155 #define SNDRV_GF1_HANDLER_VOICE 0x00100000 156 #define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000 157 #define SNDRV_GF1_HANDLER_DMA_READ 0x00400000 158 #define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE) 159 160 /* constants for DMA flags */ 161 162 #define SNDRV_GF1_DMA_TRIGGER 1 163 164 /* --- */ 165 166 struct snd_gus_card; 167 168 /* GF1 specific structure */ 169 170 struct snd_gf1_bank_info { 171 unsigned int address; 172 unsigned int size; 173 }; 174 175 struct snd_gf1_mem_block { 176 unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */ 177 unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */ 178 unsigned int share; /* share count */ 179 unsigned int share_id[4]; /* share ID */ 180 unsigned int ptr; 181 unsigned int size; 182 char *name; 183 struct snd_gf1_mem_block *next; 184 struct snd_gf1_mem_block *prev; 185 }; 186 187 struct snd_gf1_mem { 188 struct snd_gf1_bank_info banks_8[4]; 189 struct snd_gf1_bank_info banks_16[4]; 190 struct snd_gf1_mem_block *first; 191 struct snd_gf1_mem_block *last; 192 struct mutex memory_mutex; 193 }; 194 195 struct snd_gf1_dma_block { 196 void *buffer; /* buffer in computer's RAM */ 197 unsigned long buf_addr; /* buffer address */ 198 unsigned int addr; /* address in onboard memory */ 199 unsigned int count; /* count in bytes */ 200 unsigned int cmd; /* DMA command (format) */ 201 void (*ack)(struct snd_gus_card * gus, void *private_data); 202 void *private_data; 203 struct snd_gf1_dma_block *next; 204 }; 205 206 struct snd_gus_port { 207 struct snd_midi_channel_set * chset; 208 struct snd_gus_card * gus; 209 int mode; /* operation mode */ 210 int client; /* sequencer client number */ 211 int port; /* sequencer port number */ 212 unsigned int midi_has_voices: 1; 213 }; 214 215 struct snd_gus_voice; 216 217 #define SNDRV_GF1_VOICE_TYPE_PCM 0 218 #define SNDRV_GF1_VOICE_TYPE_SYNTH 1 219 #define SNDRV_GF1_VOICE_TYPE_MIDI 2 220 221 #define SNDRV_GF1_VFLG_RUNNING (1<<0) 222 #define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1) 223 #define SNDRV_GF1_VFLG_PAN (1<<2) 224 225 enum snd_gus_volume_state { 226 VENV_BEFORE, 227 VENV_ATTACK, 228 VENV_SUSTAIN, 229 VENV_RELEASE, 230 VENV_DONE, 231 VENV_VOLUME 232 }; 233 234 struct snd_gus_voice { 235 int number; 236 unsigned int use: 1, 237 pcm: 1, 238 synth:1, 239 midi: 1; 240 unsigned int flags; 241 unsigned char client; 242 unsigned char port; 243 unsigned char index; 244 unsigned char pad; 245 246 #ifdef CONFIG_SND_DEBUG 247 unsigned int interrupt_stat_wave; 248 unsigned int interrupt_stat_volume; 249 #endif 250 void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice); 251 void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice); 252 void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice); 253 void (*volume_change) (struct snd_gus_card * gus); 254 255 struct snd_gus_sample_ops *sample_ops; 256 257 /* running status / registers */ 258 259 unsigned short fc_register; 260 unsigned short fc_lfo; 261 unsigned short gf1_volume; 262 unsigned char control; 263 unsigned char mode; 264 unsigned char gf1_pan; 265 unsigned char effect_accumulator; 266 unsigned char volume_control; 267 unsigned char venv_value_next; 268 enum snd_gus_volume_state venv_state; 269 enum snd_gus_volume_state venv_state_prev; 270 unsigned short vlo; 271 unsigned short vro; 272 unsigned short gf1_effect_volume; 273 274 /* --- */ 275 276 void *private_data; 277 void (*private_free)(struct snd_gus_voice *voice); 278 }; 279 280 struct snd_gf1 { 281 282 unsigned int enh_mode:1, /* enhanced mode (GFA1) */ 283 hw_lfo:1, /* use hardware LFO */ 284 sw_lfo:1, /* use software LFO */ 285 effect:1; /* use effect voices */ 286 287 unsigned long port; /* port of GF1 chip */ 288 struct resource *res_port1; 289 struct resource *res_port2; 290 int irq; /* IRQ number */ 291 int dma1; /* DMA1 number */ 292 int dma2; /* DMA2 number */ 293 unsigned int memory; /* GUS's DRAM size in bytes */ 294 unsigned int rom_memory; /* GUS's ROM size in bytes */ 295 unsigned int rom_present; /* bitmask */ 296 unsigned int rom_banks; /* GUS's ROM banks */ 297 298 struct snd_gf1_mem mem_alloc; 299 300 /* registers */ 301 unsigned short reg_page; 302 unsigned short reg_regsel; 303 unsigned short reg_data8; 304 unsigned short reg_data16; 305 unsigned short reg_irqstat; 306 unsigned short reg_dram; 307 unsigned short reg_timerctrl; 308 unsigned short reg_timerdata; 309 unsigned char ics_regs[6][2]; 310 /* --------- */ 311 312 unsigned char active_voices; /* active voices */ 313 unsigned char active_voice; /* selected voice (GF1PAGE register) */ 314 315 struct snd_gus_voice voices[32]; /* GF1 voices */ 316 317 unsigned int default_voice_address; 318 319 unsigned short playback_freq; /* GF1 playback (mixing) frequency */ 320 unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */ 321 unsigned char volume_ramp; 322 unsigned char smooth_pan; 323 unsigned char full_range_pan; 324 unsigned char pad0; 325 326 unsigned char *lfos; 327 328 /* interrupt handlers */ 329 330 void (*interrupt_handler_midi_out) (struct snd_gus_card * gus); 331 void (*interrupt_handler_midi_in) (struct snd_gus_card * gus); 332 void (*interrupt_handler_timer1) (struct snd_gus_card * gus); 333 void (*interrupt_handler_timer2) (struct snd_gus_card * gus); 334 void (*interrupt_handler_dma_write) (struct snd_gus_card * gus); 335 void (*interrupt_handler_dma_read) (struct snd_gus_card * gus); 336 337 #ifdef CONFIG_SND_DEBUG 338 unsigned int interrupt_stat_midi_out; 339 unsigned int interrupt_stat_midi_in; 340 unsigned int interrupt_stat_timer1; 341 unsigned int interrupt_stat_timer2; 342 unsigned int interrupt_stat_dma_write; 343 unsigned int interrupt_stat_dma_read; 344 unsigned int interrupt_stat_voice_lost; 345 #endif 346 347 /* synthesizer */ 348 349 int seq_client; 350 struct snd_gus_port seq_ports[4]; 351 352 /* timer */ 353 354 unsigned short timer_enabled; 355 struct snd_timer *timer1; 356 struct snd_timer *timer2; 357 358 /* midi */ 359 360 unsigned short uart_cmd; 361 unsigned int uart_framing; 362 unsigned int uart_overrun; 363 364 /* dma operations */ 365 366 unsigned int dma_flags; 367 unsigned int dma_shared; 368 struct snd_gf1_dma_block *dma_data_pcm; 369 struct snd_gf1_dma_block *dma_data_pcm_last; 370 struct snd_gf1_dma_block *dma_data_synth; 371 struct snd_gf1_dma_block *dma_data_synth_last; 372 void (*dma_ack)(struct snd_gus_card * gus, void *private_data); 373 void *dma_private_data; 374 375 /* pcm */ 376 int pcm_channels; 377 int pcm_alloc_voices; 378 unsigned short pcm_volume_level_left; 379 unsigned short pcm_volume_level_right; 380 unsigned short pcm_volume_level_left1; 381 unsigned short pcm_volume_level_right1; 382 383 unsigned char pcm_rcntrl_reg; 384 unsigned char pad_end; 385 }; 386 387 /* main structure for GUS card */ 388 389 struct snd_gus_card { 390 struct snd_card *card; 391 392 unsigned int 393 initialized: 1, /* resources were initialized */ 394 equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */ 395 equal_dma:1, /* if dma channels are equal (not valid for daughter board) */ 396 ics_flag:1, /* have we ICS mixer chip */ 397 ics_flipped:1, /* ICS mixer have flipped some channels? */ 398 codec_flag:1, /* have we CODEC chip? */ 399 max_flag:1, /* have we GUS MAX card? */ 400 max_ctrl_flag:1, /* have we original GUS MAX card? */ 401 daughter_flag:1, /* have we daughter board? */ 402 interwave:1, /* hey - we have InterWave card */ 403 ess_flag:1, /* ESS chip found... GUS Extreme */ 404 ace_flag:1, /* GUS ACE detected */ 405 uart_enable:1; /* enable MIDI UART */ 406 unsigned short revision; /* revision of chip */ 407 unsigned short max_cntrl_val; /* GUS MAX control value */ 408 unsigned short mix_cntrl_reg; /* mixer control register */ 409 unsigned short joystick_dac; /* joystick DAC level */ 410 int timer_dev; /* timer device */ 411 412 struct snd_gf1 gf1; /* gf1 specific variables */ 413 struct snd_pcm *pcm; 414 struct snd_pcm_substream *pcm_cap_substream; 415 unsigned int c_dma_size; 416 unsigned int c_period_size; 417 unsigned int c_pos; 418 419 struct snd_rawmidi *midi_uart; 420 struct snd_rawmidi_substream *midi_substream_output; 421 struct snd_rawmidi_substream *midi_substream_input; 422 423 spinlock_t reg_lock; 424 spinlock_t voice_alloc; 425 spinlock_t active_voice_lock; 426 spinlock_t event_lock; 427 spinlock_t dma_lock; 428 spinlock_t pcm_volume_level_lock; 429 spinlock_t uart_cmd_lock; 430 struct mutex dma_mutex; 431 struct mutex register_mutex; 432 }; 433 434 /* I/O functions for GF1/InterWave chip - gus_io.c */ 435 436 static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice) 437 { 438 unsigned long flags; 439 440 spin_lock_irqsave(&gus->active_voice_lock, flags); 441 if (voice != gus->gf1.active_voice) { 442 gus->gf1.active_voice = voice; 443 outb(voice, GUSP(gus, GF1PAGE)); 444 } 445 spin_unlock_irqrestore(&gus->active_voice_lock, flags); 446 } 447 448 static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b) 449 { 450 outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL)); 451 } 452 453 static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus) 454 { 455 return inb(GUSP(gus, MIDISTAT)); 456 } 457 458 static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b) 459 { 460 outb(b, GUSP(gus, MIDIDATA)); 461 } 462 463 static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus) 464 { 465 return inb(GUSP(gus, MIDIDATA)); 466 } 467 468 extern void snd_gf1_delay(struct snd_gus_card * gus); 469 470 extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg); 471 472 extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 473 extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg); 474 static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg) 475 { 476 return snd_gf1_look8(gus, reg | 0x80); 477 } 478 extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data); 479 extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg); 480 static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg) 481 { 482 return snd_gf1_look16(gus, reg | 0x80); 483 } 484 extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 485 extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr); 486 extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data); 487 extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr); 488 extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit); 489 extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit); 490 extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg); 491 extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 492 extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg); 493 extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data); 494 static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg) 495 { 496 return snd_gf1_i_look8(gus, reg | 0x80); 497 } 498 extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg); 499 static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg) 500 { 501 return snd_gf1_i_look16(gus, reg | 0x80); 502 } 503 504 extern void snd_gf1_select_active_voices(struct snd_gus_card * gus); 505 506 /* gus_lfo.c */ 507 508 struct _SND_IW_LFO_PROGRAM { 509 unsigned short freq_and_control; 510 unsigned char depth_final; 511 unsigned char depth_inc; 512 unsigned short twave; 513 unsigned short depth; 514 }; 515 516 #if 0 517 extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice); 518 #endif 519 extern void snd_gf1_lfo_init(struct snd_gus_card * gus); 520 extern void snd_gf1_lfo_done(struct snd_gus_card * gus); 521 extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program); 522 extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type); 523 extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type); 524 extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq); 525 extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth); 526 extern void snd_gf1_lfo_setup(struct snd_gus_card * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape); 527 extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type); 528 #if 0 529 extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command); 530 #endif 531 532 /* gus_mem.c */ 533 534 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup); 535 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block); 536 struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner, 537 char *name, int size, int w_16, 538 int align, unsigned int *share_id); 539 int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address); 540 int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner); 541 int snd_gf1_mem_init(struct snd_gus_card * gus); 542 int snd_gf1_mem_done(struct snd_gus_card * gus); 543 544 /* gus_mem_proc.c */ 545 546 int snd_gf1_mem_proc_init(struct snd_gus_card * gus); 547 548 /* gus_dma.c */ 549 550 int snd_gf1_dma_init(struct snd_gus_card * gus); 551 int snd_gf1_dma_done(struct snd_gus_card * gus); 552 int snd_gf1_dma_transfer_block(struct snd_gus_card * gus, 553 struct snd_gf1_dma_block * block, 554 int atomic, 555 int synth); 556 557 /* gus_volume.c */ 558 559 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol); 560 unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2); 561 562 /* gus_reset.c */ 563 564 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what); 565 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice); 566 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice); 567 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max); 568 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port); 569 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice); 570 int snd_gf1_start(struct snd_gus_card * gus); 571 int snd_gf1_stop(struct snd_gus_card * gus); 572 573 /* gus_mixer.c */ 574 575 int snd_gf1_new_mixer(struct snd_gus_card * gus); 576 577 /* gus_pcm.c */ 578 579 int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index); 580 581 #ifdef CONFIG_SND_DEBUG 582 extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus); 583 #endif 584 585 /* gus.c */ 586 587 int snd_gus_use_inc(struct snd_gus_card * gus); 588 void snd_gus_use_dec(struct snd_gus_card * gus); 589 int snd_gus_create(struct snd_card *card, 590 unsigned long port, 591 int irq, int dma1, int dma2, 592 int timer_dev, 593 int voices, 594 int pcm_channels, 595 int effect, 596 struct snd_gus_card ** rgus); 597 int snd_gus_initialize(struct snd_gus_card * gus); 598 599 /* gus_irq.c */ 600 601 irqreturn_t snd_gus_interrupt(int irq, void *dev_id); 602 #ifdef CONFIG_SND_DEBUG 603 void snd_gus_irq_profile_init(struct snd_gus_card *gus); 604 #endif 605 606 /* gus_uart.c */ 607 608 int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device); 609 610 /* gus_dram.c */ 611 int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr, 612 unsigned int addr, unsigned int size); 613 int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr, 614 unsigned int addr, unsigned int size, int rom); 615 616 #endif /* __SOUND_GUS_H */ 617