| 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 "pcm.h" |
| 26 | #include "rawmidi.h" |
| 27 | #include "timer.h" |
| 28 | #include "seq_midi_emul.h" |
| 29 | #include "seq_device.h" |
| 30 | #include <asm/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, struct snd_pcm ** rpcm); |
| 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, struct snd_rawmidi **rrawmidi); |
| 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 */ |