1 #ifndef __SOUND_GUS_H 2 #define __SOUND_GUS_H 3 4 /* 5 * Global structures used for GUS part of ALSA driver 6 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 7 * 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 25 #include <sound/pcm.h> 26 #include <sound/rawmidi.h> 27 #include <sound/timer.h> 28 #include <sound/seq_midi_emul.h> 29 #include <sound/seq_device.h> 30 #include <linux/io.h> 31 32 /* IO ports */ 33 34 #define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x) 35 36 #define SNDRV_g_u_s_MIDICTRL (0x320-0x220) 37 #define SNDRV_g_u_s_MIDISTAT (0x320-0x220) 38 #define SNDRV_g_u_s_MIDIDATA (0x321-0x220) 39 40 #define SNDRV_g_u_s_GF1PAGE (0x322-0x220) 41 #define SNDRV_g_u_s_GF1REGSEL (0x323-0x220) 42 #define SNDRV_g_u_s_GF1DATALOW (0x324-0x220) 43 #define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220) 44 #define SNDRV_g_u_s_IRQSTAT (0x226-0x220) 45 #define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220) 46 #define SNDRV_g_u_s_TIMERDATA (0x229-0x220) 47 #define SNDRV_g_u_s_DRAM (0x327-0x220) 48 #define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220) 49 #define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220) 50 #define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220) 51 #define SNDRV_g_u_s_BOARDVERSION (0x726-0x220) 52 #define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220) 53 #define SNDRV_g_u_s_IVER (0x325-0x220) 54 #define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220) 55 #define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220) 56 57 /* GF1 registers */ 58 59 /* global registers */ 60 #define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e 61 #define SNDRV_GF1_GB_VOICES_IRQ 0x0f 62 #define SNDRV_GF1_GB_GLOBAL_MODE 0x19 63 #define SNDRV_GF1_GW_LFO_BASE 0x1a 64 #define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f 65 #define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x41 66 #define SNDRV_GF1_GW_DRAM_DMA_LOW 0x42 67 #define SNDRV_GF1_GW_DRAM_IO_LOW 0x43 68 #define SNDRV_GF1_GB_DRAM_IO_HIGH 0x44 69 #define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x45 70 #define SNDRV_GF1_GB_ADLIB_TIMER_1 0x46 71 #define SNDRV_GF1_GB_ADLIB_TIMER_2 0x47 72 #define SNDRV_GF1_GB_RECORD_RATE 0x48 73 #define SNDRV_GF1_GB_REC_DMA_CONTROL 0x49 74 #define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b 75 #define SNDRV_GF1_GB_RESET 0x4c 76 #define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x50 77 #define SNDRV_GF1_GW_DRAM_IO16 0x51 78 #define SNDRV_GF1_GW_MEMORY_CONFIG 0x52 79 #define SNDRV_GF1_GB_MEMORY_CONTROL 0x53 80 #define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x54 81 #define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x55 82 #define SNDRV_GF1_GW_FIFO_SIZE 0x56 83 #define SNDRV_GF1_GW_INTERLEAVE 0x57 84 #define SNDRV_GF1_GB_COMPATIBILITY 0x59 85 #define SNDRV_GF1_GB_DECODE_CONTROL 0x5a 86 #define SNDRV_GF1_GB_VERSION_NUMBER 0x5b 87 #define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c 88 #define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d 89 #define SNDRV_GF1_GB_EMULATION_IRQ 0x60 90 /* voice specific registers */ 91 #define SNDRV_GF1_VB_ADDRESS_CONTROL 0x00 92 #define SNDRV_GF1_VW_FREQUENCY 0x01 93 #define SNDRV_GF1_VW_START_HIGH 0x02 94 #define SNDRV_GF1_VW_START_LOW 0x03 95 #define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH 96 #define SNDRV_GF1_VW_END_HIGH 0x04 97 #define SNDRV_GF1_VW_END_LOW 0x05 98 #define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH 99 #define SNDRV_GF1_VB_VOLUME_RATE 0x06 100 #define SNDRV_GF1_VB_VOLUME_START 0x07 101 #define SNDRV_GF1_VB_VOLUME_END 0x08 102 #define SNDRV_GF1_VW_VOLUME 0x09 103 #define SNDRV_GF1_VW_CURRENT_HIGH 0x0a 104 #define SNDRV_GF1_VW_CURRENT_LOW 0x0b 105 #define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH 106 #define SNDRV_GF1_VB_PAN 0x0c 107 #define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c 108 #define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d 109 #define SNDRV_GF1_VB_UPPER_ADDRESS 0x10 110 #define SNDRV_GF1_VW_EFFECT_HIGH 0x11 111 #define SNDRV_GF1_VW_EFFECT_LOW 0x12 112 #define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH 113 #define SNDRV_GF1_VW_OFFSET_LEFT 0x13 114 #define SNDRV_GF1_VB_ACCUMULATOR 0x14 115 #define SNDRV_GF1_VB_MODE 0x15 116 #define SNDRV_GF1_VW_EFFECT_VOLUME 0x16 117 #define SNDRV_GF1_VB_FREQUENCY_LFO 0x17 118 #define SNDRV_GF1_VB_VOLUME_LFO 0x18 119 #define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b 120 #define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c 121 #define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d 122 123 /* ICS registers */ 124 125 #define SNDRV_ICS_MIC_DEV 0 126 #define SNDRV_ICS_LINE_DEV 1 127 #define SNDRV_ICS_CD_DEV 2 128 #define SNDRV_ICS_GF1_DEV 3 129 #define SNDRV_ICS_NONE_DEV 4 130 #define SNDRV_ICS_MASTER_DEV 5 131 132 /* LFO */ 133 134 #define SNDRV_LFO_TREMOLO 0 135 #define SNDRV_LFO_VIBRATO 1 136 137 /* misc */ 138 139 #define SNDRV_GF1_DMA_UNSIGNED 0x80 140 #define SNDRV_GF1_DMA_16BIT 0x40 141 #define SNDRV_GF1_DMA_IRQ 0x20 142 #define SNDRV_GF1_DMA_WIDTH16 0x04 143 #define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */ 144 #define SNDRV_GF1_DMA_ENABLE 0x01 145 146 /* ramp ranges */ 147 148 #define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x]) 149 #define SNDRV_GF1_MIN_VOLUME 1800 150 #define SNDRV_GF1_MAX_VOLUME 4095 151 #define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4) 152 #define SNDRV_GF1_MAX_OFFSET 255 153 #define SNDRV_GF1_MAX_TDEPTH 90 154 155 /* defines for memory manager */ 156 157 #define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001 158 159 #define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001 160 #define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002 161 #define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003 162 #define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004 163 164 /* constants for interrupt handlers */ 165 166 #define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000 167 #define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000 168 #define SNDRV_GF1_HANDLER_TIMER1 0x00040000 169 #define SNDRV_GF1_HANDLER_TIMER2 0x00080000 170 #define SNDRV_GF1_HANDLER_VOICE 0x00100000 171 #define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000 172 #define SNDRV_GF1_HANDLER_DMA_READ 0x00400000 173 #define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE) 174 175 /* constants for DMA flags */ 176 177 #define SNDRV_GF1_DMA_TRIGGER 1 178 179 /* --- */ 180 181 struct snd_gus_card; 182 183 /* GF1 specific structure */ 184 185 struct snd_gf1_bank_info { 186 unsigned int address; 187 unsigned int size; 188 }; 189 190 struct snd_gf1_mem_block { 191 unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */ 192 unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */ 193 unsigned int share; /* share count */ 194 unsigned int share_id[4]; /* share ID */ 195 unsigned int ptr; 196 unsigned int size; 197 char *name; 198 struct snd_gf1_mem_block *next; 199 struct snd_gf1_mem_block *prev; 200 }; 201 202 struct snd_gf1_mem { 203 struct snd_gf1_bank_info banks_8[4]; 204 struct snd_gf1_bank_info banks_16[4]; 205 struct snd_gf1_mem_block *first; 206 struct snd_gf1_mem_block *last; 207 struct mutex memory_mutex; 208 }; 209 210 struct snd_gf1_dma_block { 211 void *buffer; /* buffer in computer's RAM */ 212 unsigned long buf_addr; /* buffer address */ 213 unsigned int addr; /* address in onboard memory */ 214 unsigned int count; /* count in bytes */ 215 unsigned int cmd; /* DMA command (format) */ 216 void (*ack)(struct snd_gus_card * gus, void *private_data); 217 void *private_data; 218 struct snd_gf1_dma_block *next; 219 }; 220 221 struct snd_gus_port { 222 struct snd_midi_channel_set * chset; 223 struct snd_gus_card * gus; 224 int mode; /* operation mode */ 225 int client; /* sequencer client number */ 226 int port; /* sequencer port number */ 227 unsigned int midi_has_voices: 1; 228 }; 229 230 struct snd_gus_voice; 231 232 #define SNDRV_GF1_VOICE_TYPE_PCM 0 233 #define SNDRV_GF1_VOICE_TYPE_SYNTH 1 234 #define SNDRV_GF1_VOICE_TYPE_MIDI 2 235 236 #define SNDRV_GF1_VFLG_RUNNING (1<<0) 237 #define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1) 238 #define SNDRV_GF1_VFLG_PAN (1<<2) 239 240 enum snd_gus_volume_state { 241 VENV_BEFORE, 242 VENV_ATTACK, 243 VENV_SUSTAIN, 244 VENV_RELEASE, 245 VENV_DONE, 246 VENV_VOLUME 247 }; 248 249 struct snd_gus_voice { 250 int number; 251 unsigned int use: 1, 252 pcm: 1, 253 synth:1, 254 midi: 1; 255 unsigned int flags; 256 unsigned char client; 257 unsigned char port; 258 unsigned char index; 259 unsigned char pad; 260 261 #ifdef CONFIG_SND_DEBUG 262 unsigned int interrupt_stat_wave; 263 unsigned int interrupt_stat_volume; 264 #endif 265 void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice); 266 void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice); 267 void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice); 268 void (*volume_change) (struct snd_gus_card * gus); 269 270 struct snd_gus_sample_ops *sample_ops; 271 272 /* running status / registers */ 273 274 unsigned short fc_register; 275 unsigned short fc_lfo; 276 unsigned short gf1_volume; 277 unsigned char control; 278 unsigned char mode; 279 unsigned char gf1_pan; 280 unsigned char effect_accumulator; 281 unsigned char volume_control; 282 unsigned char venv_value_next; 283 enum snd_gus_volume_state venv_state; 284 enum snd_gus_volume_state venv_state_prev; 285 unsigned short vlo; 286 unsigned short vro; 287 unsigned short gf1_effect_volume; 288 289 /* --- */ 290 291 void *private_data; 292 void (*private_free)(struct snd_gus_voice *voice); 293 }; 294 295 struct snd_gf1 { 296 297 unsigned int enh_mode:1, /* enhanced mode (GFA1) */ 298 hw_lfo:1, /* use hardware LFO */ 299 sw_lfo:1, /* use software LFO */ 300 effect:1; /* use effect voices */ 301 302 unsigned long port; /* port of GF1 chip */ 303 struct resource *res_port1; 304 struct resource *res_port2; 305 int irq; /* IRQ number */ 306 int dma1; /* DMA1 number */ 307 int dma2; /* DMA2 number */ 308 unsigned int memory; /* GUS's DRAM size in bytes */ 309 unsigned int rom_memory; /* GUS's ROM size in bytes */ 310 unsigned int rom_present; /* bitmask */ 311 unsigned int rom_banks; /* GUS's ROM banks */ 312 313 struct snd_gf1_mem mem_alloc; 314 315 /* registers */ 316 unsigned short reg_page; 317 unsigned short reg_regsel; 318 unsigned short reg_data8; 319 unsigned short reg_data16; 320 unsigned short reg_irqstat; 321 unsigned short reg_dram; 322 unsigned short reg_timerctrl; 323 unsigned short reg_timerdata; 324 unsigned char ics_regs[6][2]; 325 /* --------- */ 326 327 unsigned char active_voices; /* active voices */ 328 unsigned char active_voice; /* selected voice (GF1PAGE register) */ 329 330 struct snd_gus_voice voices[32]; /* GF1 voices */ 331 332 unsigned int default_voice_address; 333 334 unsigned short playback_freq; /* GF1 playback (mixing) frequency */ 335 unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */ 336 unsigned char volume_ramp; 337 unsigned char smooth_pan; 338 unsigned char full_range_pan; 339 unsigned char pad0; 340 341 unsigned char *lfos; 342 343 /* interrupt handlers */ 344 345 void (*interrupt_handler_midi_out) (struct snd_gus_card * gus); 346 void (*interrupt_handler_midi_in) (struct snd_gus_card * gus); 347 void (*interrupt_handler_timer1) (struct snd_gus_card * gus); 348 void (*interrupt_handler_timer2) (struct snd_gus_card * gus); 349 void (*interrupt_handler_dma_write) (struct snd_gus_card * gus); 350 void (*interrupt_handler_dma_read) (struct snd_gus_card * gus); 351 352 #ifdef CONFIG_SND_DEBUG 353 unsigned int interrupt_stat_midi_out; 354 unsigned int interrupt_stat_midi_in; 355 unsigned int interrupt_stat_timer1; 356 unsigned int interrupt_stat_timer2; 357 unsigned int interrupt_stat_dma_write; 358 unsigned int interrupt_stat_dma_read; 359 unsigned int interrupt_stat_voice_lost; 360 #endif 361 362 /* synthesizer */ 363 364 int seq_client; 365 struct snd_gus_port seq_ports[4]; 366 367 /* timer */ 368 369 unsigned short timer_enabled; 370 struct snd_timer *timer1; 371 struct snd_timer *timer2; 372 373 /* midi */ 374 375 unsigned short uart_cmd; 376 unsigned int uart_framing; 377 unsigned int uart_overrun; 378 379 /* dma operations */ 380 381 unsigned int dma_flags; 382 unsigned int dma_shared; 383 struct snd_gf1_dma_block *dma_data_pcm; 384 struct snd_gf1_dma_block *dma_data_pcm_last; 385 struct snd_gf1_dma_block *dma_data_synth; 386 struct snd_gf1_dma_block *dma_data_synth_last; 387 void (*dma_ack)(struct snd_gus_card * gus, void *private_data); 388 void *dma_private_data; 389 390 /* pcm */ 391 int pcm_channels; 392 int pcm_alloc_voices; 393 unsigned short pcm_volume_level_left; 394 unsigned short pcm_volume_level_right; 395 unsigned short pcm_volume_level_left1; 396 unsigned short pcm_volume_level_right1; 397 398 unsigned char pcm_rcntrl_reg; 399 unsigned char pad_end; 400 }; 401 402 /* main structure for GUS card */ 403 404 struct snd_gus_card { 405 struct snd_card *card; 406 407 unsigned int 408 initialized: 1, /* resources were initialized */ 409 equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */ 410 equal_dma:1, /* if dma channels are equal (not valid for daughter board) */ 411 ics_flag:1, /* have we ICS mixer chip */ 412 ics_flipped:1, /* ICS mixer have flipped some channels? */ 413 codec_flag:1, /* have we CODEC chip? */ 414 max_flag:1, /* have we GUS MAX card? */ 415 max_ctrl_flag:1, /* have we original GUS MAX card? */ 416 daughter_flag:1, /* have we daughter board? */ 417 interwave:1, /* hey - we have InterWave card */ 418 ess_flag:1, /* ESS chip found... GUS Extreme */ 419 ace_flag:1, /* GUS ACE detected */ 420 uart_enable:1; /* enable MIDI UART */ 421 unsigned short revision; /* revision of chip */ 422 unsigned short max_cntrl_val; /* GUS MAX control value */ 423 unsigned short mix_cntrl_reg; /* mixer control register */ 424 unsigned short joystick_dac; /* joystick DAC level */ 425 int timer_dev; /* timer device */ 426 427 struct snd_gf1 gf1; /* gf1 specific variables */ 428 struct snd_pcm *pcm; 429 struct snd_pcm_substream *pcm_cap_substream; 430 unsigned int c_dma_size; 431 unsigned int c_period_size; 432 unsigned int c_pos; 433 434 struct snd_rawmidi *midi_uart; 435 struct snd_rawmidi_substream *midi_substream_output; 436 struct snd_rawmidi_substream *midi_substream_input; 437 438 spinlock_t reg_lock; 439 spinlock_t voice_alloc; 440 spinlock_t active_voice_lock; 441 spinlock_t event_lock; 442 spinlock_t dma_lock; 443 spinlock_t pcm_volume_level_lock; 444 spinlock_t uart_cmd_lock; 445 struct mutex dma_mutex; 446 struct mutex register_mutex; 447 }; 448 449 /* I/O functions for GF1/InterWave chip - gus_io.c */ 450 451 static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice) 452 { 453 unsigned long flags; 454 455 spin_lock_irqsave(&gus->active_voice_lock, flags); 456 if (voice != gus->gf1.active_voice) { 457 gus->gf1.active_voice = voice; 458 outb(voice, GUSP(gus, GF1PAGE)); 459 } 460 spin_unlock_irqrestore(&gus->active_voice_lock, flags); 461 } 462 463 static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b) 464 { 465 outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL)); 466 } 467 468 static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus) 469 { 470 return inb(GUSP(gus, MIDISTAT)); 471 } 472 473 static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b) 474 { 475 outb(b, GUSP(gus, MIDIDATA)); 476 } 477 478 static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus) 479 { 480 return inb(GUSP(gus, MIDIDATA)); 481 } 482 483 extern void snd_gf1_delay(struct snd_gus_card * gus); 484 485 extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg); 486 487 extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 488 extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg); 489 static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg) 490 { 491 return snd_gf1_look8(gus, reg | 0x80); 492 } 493 extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data); 494 extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg); 495 static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg) 496 { 497 return snd_gf1_look16(gus, reg | 0x80); 498 } 499 extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 500 extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr); 501 extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data); 502 extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr); 503 extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit); 504 extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit); 505 extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg); 506 extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 507 extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg); 508 extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data); 509 static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg) 510 { 511 return snd_gf1_i_look8(gus, reg | 0x80); 512 } 513 extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg); 514 static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg) 515 { 516 return snd_gf1_i_look16(gus, reg | 0x80); 517 } 518 519 extern void snd_gf1_select_active_voices(struct snd_gus_card * gus); 520 521 /* gus_lfo.c */ 522 523 struct _SND_IW_LFO_PROGRAM { 524 unsigned short freq_and_control; 525 unsigned char depth_final; 526 unsigned char depth_inc; 527 unsigned short twave; 528 unsigned short depth; 529 }; 530 531 #if 0 532 extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice); 533 #endif 534 extern void snd_gf1_lfo_init(struct snd_gus_card * gus); 535 extern void snd_gf1_lfo_done(struct snd_gus_card * gus); 536 extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program); 537 extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type); 538 extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type); 539 extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq); 540 extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth); 541 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); 542 extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type); 543 #if 0 544 extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command); 545 #endif 546 547 /* gus_mem.c */ 548 549 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup); 550 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block); 551 struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner, 552 char *name, int size, int w_16, 553 int align, unsigned int *share_id); 554 int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address); 555 int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner); 556 int snd_gf1_mem_init(struct snd_gus_card * gus); 557 int snd_gf1_mem_done(struct snd_gus_card * gus); 558 559 /* gus_mem_proc.c */ 560 561 int snd_gf1_mem_proc_init(struct snd_gus_card * gus); 562 563 /* gus_dma.c */ 564 565 int snd_gf1_dma_init(struct snd_gus_card * gus); 566 int snd_gf1_dma_done(struct snd_gus_card * gus); 567 int snd_gf1_dma_transfer_block(struct snd_gus_card * gus, 568 struct snd_gf1_dma_block * block, 569 int atomic, 570 int synth); 571 572 /* gus_volume.c */ 573 574 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol); 575 unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2); 576 577 /* gus_reset.c */ 578 579 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what); 580 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice); 581 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice); 582 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max); 583 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port); 584 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice); 585 int snd_gf1_start(struct snd_gus_card * gus); 586 int snd_gf1_stop(struct snd_gus_card * gus); 587 588 /* gus_mixer.c */ 589 590 int snd_gf1_new_mixer(struct snd_gus_card * gus); 591 592 /* gus_pcm.c */ 593 594 int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index); 595 596 #ifdef CONFIG_SND_DEBUG 597 extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus); 598 #endif 599 600 /* gus.c */ 601 602 int snd_gus_use_inc(struct snd_gus_card * gus); 603 void snd_gus_use_dec(struct snd_gus_card * gus); 604 int snd_gus_create(struct snd_card *card, 605 unsigned long port, 606 int irq, int dma1, int dma2, 607 int timer_dev, 608 int voices, 609 int pcm_channels, 610 int effect, 611 struct snd_gus_card ** rgus); 612 int snd_gus_initialize(struct snd_gus_card * gus); 613 614 /* gus_irq.c */ 615 616 irqreturn_t snd_gus_interrupt(int irq, void *dev_id); 617 #ifdef CONFIG_SND_DEBUG 618 void snd_gus_irq_profile_init(struct snd_gus_card *gus); 619 #endif 620 621 /* gus_uart.c */ 622 623 int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device); 624 625 /* gus_dram.c */ 626 int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr, 627 unsigned int addr, unsigned int size); 628 int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr, 629 unsigned int addr, unsigned int size, int rom); 630 631 #endif /* __SOUND_GUS_H */ 632