source: GPL/alsa-kernel/include/sound/gus.ho@ 2

Last change on this file since 2 was 1, checked in by vladest, 20 years ago

initial import
File size: 24.9 KB
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1#ifndef __GUS_H
2#define __GUS_H
3
4/*
5 * Global structures used for GUS part of ALSA driver
6 * Copyright (c) by Jaroslav Kysela <perex@suse.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., 675 Mass Ave, Cambridge, MA 02139, 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 "ainstr_iw.h"
31#include "ainstr_gf1.h"
32#include "ainstr_simple.h"
33
34#define SNDRV_SEQ_DEV_ID_GUS "synth-gus"
35
36/* IO ports */
37
38#define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x)
39
40#define SNDRV_g_u_s_MIDICTRL (0x320-0x220)
41#define SNDRV_g_u_s_MIDISTAT (0x320-0x220)
42#define SNDRV_g_u_s_MIDIDATA (0x321-0x220)
43
44#define SNDRV_g_u_s_GF1PAGE (0x322-0x220)
45#define SNDRV_g_u_s_GF1REGSEL (0x323-0x220)
46#define SNDRV_g_u_s_GF1DATALOW (0x324-0x220)
47#define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220)
48#define SNDRV_g_u_s_IRQSTAT (0x226-0x220)
49#define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220)
50#define SNDRV_g_u_s_TIMERDATA (0x229-0x220)
51#define SNDRV_g_u_s_DRAM (0x327-0x220)
52#define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220)
53#define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220)
54#define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220)
55#define SNDRV_g_u_s_BOARDVERSION (0x726-0x220)
56#define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220)
57#define SNDRV_g_u_s_IVER (0x325-0x220)
58#define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220)
59#define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220)
60
61/* GF1 registers */
62
63/* global registers */
64#define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e
65#define SNDRV_GF1_GB_VOICES_IRQ 0x0f
66#define SNDRV_GF1_GB_GLOBAL_MODE 0x19
67#define SNDRV_GF1_GW_LFO_BASE 0x1a
68#define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f
69#define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x41
70#define SNDRV_GF1_GW_DRAM_DMA_LOW 0x42
71#define SNDRV_GF1_GW_DRAM_IO_LOW 0x43
72#define SNDRV_GF1_GB_DRAM_IO_HIGH 0x44
73#define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x45
74#define SNDRV_GF1_GB_ADLIB_TIMER_1 0x46
75#define SNDRV_GF1_GB_ADLIB_TIMER_2 0x47
76#define SNDRV_GF1_GB_RECORD_RATE 0x48
77#define SNDRV_GF1_GB_REC_DMA_CONTROL 0x49
78#define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b
79#define SNDRV_GF1_GB_RESET 0x4c
80#define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x50
81#define SNDRV_GF1_GW_DRAM_IO16 0x51
82#define SNDRV_GF1_GW_MEMORY_CONFIG 0x52
83#define SNDRV_GF1_GB_MEMORY_CONTROL 0x53
84#define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x54
85#define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x55
86#define SNDRV_GF1_GW_FIFO_SIZE 0x56
87#define SNDRV_GF1_GW_INTERLEAVE 0x57
88#define SNDRV_GF1_GB_COMPATIBILITY 0x59
89#define SNDRV_GF1_GB_DECODE_CONTROL 0x5a
90#define SNDRV_GF1_GB_VERSION_NUMBER 0x5b
91#define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c
92#define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d
93#define SNDRV_GF1_GB_EMULATION_IRQ 0x60
94/* voice specific registers */
95#define SNDRV_GF1_VB_ADDRESS_CONTROL 0x00
96#define SNDRV_GF1_VW_FREQUENCY 0x01
97#define SNDRV_GF1_VW_START_HIGH 0x02
98#define SNDRV_GF1_VW_START_LOW 0x03
99#define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH
100#define SNDRV_GF1_VW_END_HIGH 0x04
101#define SNDRV_GF1_VW_END_LOW 0x05
102#define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH
103#define SNDRV_GF1_VB_VOLUME_RATE 0x06
104#define SNDRV_GF1_VB_VOLUME_START 0x07
105#define SNDRV_GF1_VB_VOLUME_END 0x08
106#define SNDRV_GF1_VW_VOLUME 0x09
107#define SNDRV_GF1_VW_CURRENT_HIGH 0x0a
108#define SNDRV_GF1_VW_CURRENT_LOW 0x0b
109#define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH
110#define SNDRV_GF1_VB_PAN 0x0c
111#define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c
112#define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d
113#define SNDRV_GF1_VB_UPPER_ADDRESS 0x10
114#define SNDRV_GF1_VW_EFFECT_HIGH 0x11
115#define SNDRV_GF1_VW_EFFECT_LOW 0x12
116#define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH
117#define SNDRV_GF1_VW_OFFSET_LEFT 0x13
118#define SNDRV_GF1_VB_ACCUMULATOR 0x14
119#define SNDRV_GF1_VB_MODE 0x15
120#define SNDRV_GF1_VW_EFFECT_VOLUME 0x16
121#define SNDRV_GF1_VB_FREQUENCY_LFO 0x17
122#define SNDRV_GF1_VB_VOLUME_LFO 0x18
123#define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b
124#define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c
125#define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d
126
127/* ICS registers */
128
129#define SNDRV_ICS_MIC_DEV 0
130#define SNDRV_ICS_LINE_DEV 1
131#define SNDRV_ICS_CD_DEV 2
132#define SNDRV_ICS_GF1_DEV 3
133#define SNDRV_ICS_NONE_DEV 4
134#define SNDRV_ICS_MASTER_DEV 5
135
136/* LFO */
137
138#define SNDRV_LFO_TREMOLO 0
139#define SNDRV_LFO_VIBRATO 1
140
141/* misc */
142
143#define SNDRV_GF1_DMA_UNSIGNED 0x80
144#define SNDRV_GF1_DMA_16BIT 0x40
145#define SNDRV_GF1_DMA_IRQ 0x20
146#define SNDRV_GF1_DMA_WIDTH16 0x04
147#define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */
148#define SNDRV_GF1_DMA_ENABLE 0x01
149
150/* ramp ranges */
151
152#define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x])
153#define SNDRV_GF1_MIN_VOLUME 1800
154#define SNDRV_GF1_MAX_VOLUME 4095
155#define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4)
156#define SNDRV_GF1_MAX_OFFSET 255
157#define SNDRV_GF1_MAX_TDEPTH 90
158
159/* defines for memory manager */
160
161#define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001
162
163#define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001
164#define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002
165#define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003
166#define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004
167
168/* constants for interrupt handlers */
169
170#define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000
171#define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000
172#define SNDRV_GF1_HANDLER_TIMER1 0x00040000
173#define SNDRV_GF1_HANDLER_TIMER2 0x00080000
174#define SNDRV_GF1_HANDLER_VOICE 0x00100000
175#define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000
176#define SNDRV_GF1_HANDLER_DMA_READ 0x00400000
177#define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)
178
179/* constants for DMA flags */
180
181#define SNDRV_GF1_DMA_TRIGGER 1
182
183/* --- */
184
185struct _snd_gus_card;
186typedef struct _snd_gus_card snd_gus_card_t;
187
188/* GF1 specific structure */
189
190typedef struct _snd_gf1_bank_info {
191 unsigned int address;
192 unsigned int size;
193} snd_gf1_bank_info_t;
194
195typedef struct _snd_gf1_mem_block {
196 unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
197 unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
198 unsigned int share; /* share count */
199 unsigned int share_id[4]; /* share ID */
200 unsigned int ptr;
201 unsigned int size;
202 char *name;
203 struct _snd_gf1_mem_block *next;
204 struct _snd_gf1_mem_block *prev;
205} snd_gf1_mem_block_t;
206
207typedef struct _snd_gf1_mem {
208 snd_gf1_bank_info_t banks_8[4];
209 snd_gf1_bank_info_t banks_16[4];
210 snd_gf1_mem_block_t *first;
211 snd_gf1_mem_block_t *last;
212 snd_info_entry_t *info_entry;
213 struct semaphore memory_mutex;
214} snd_gf1_mem_t;
215
216typedef struct snd_gf1_dma_block {
217 void *buffer; /* buffer in computer's RAM */
218 unsigned int addr; /* address in onboard memory */
219 unsigned int count; /* count in bytes */
220 unsigned int cmd; /* DMA command (format) */
221 void (*ack)(snd_gus_card_t * gus, void *private_data);
222 void *private_data;
223 struct snd_gf1_dma_block *next;
224} snd_gf1_dma_block_t;
225
226typedef struct {
227 snd_midi_channel_set_t * chset;
228 snd_gus_card_t * gus;
229 int mode; /* operation mode */
230 int client; /* sequencer client number */
231 int port; /* sequencer port number */
232 int midi_has_voices: 1;
233} snd_gus_port_t;
234
235typedef struct _snd_gus_voice snd_gus_voice_t;
236
237typedef struct {
238 void (*sample_start)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position);
239 void (*sample_stop)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_stop_mode_t mode);
240 void (*sample_freq)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_frequency_t freq);
241 void (*sample_volume)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_ev_volume_t *volume);
242 void (*sample_loop)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_ev_loop_t *loop);
243 void (*sample_pos)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_position_t position);
244 void (*sample_private1)(snd_gus_card_t *card, snd_gus_voice_t *voice, unsigned char *data);
245} snd_gus_sample_ops_t;
246
247#define SNDRV_GF1_VOICE_TYPE_PCM 0
248#define SNDRV_GF1_VOICE_TYPE_SYNTH 1
249#define SNDRV_GF1_VOICE_TYPE_MIDI 2
250
251#define SNDRV_GF1_VFLG_RUNNING (1<<0)
252#define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1)
253#define SNDRV_GF1_VFLG_PAN (1<<2)
254
255typedef enum {
256 VENV_BEFORE,
257 VENV_ATTACK,
258 VENV_SUSTAIN,
259 VENV_RELEASE,
260 VENV_DONE,
261 VENV_VOLUME
262} snd_gus_volume_state_t;
263
264struct _snd_gus_voice {
265 int number;
266 int use: 1,
267 pcm: 1,
268 synth:1,
269 midi: 1;
270 unsigned int flags;
271 unsigned char client;
272 unsigned char port;
273 unsigned char index;
274 unsigned char pad;
275
276#ifdef CONFIG_SND_DEBUG
277 unsigned int interrupt_stat_wave;
278 unsigned int interrupt_stat_volume;
279#endif
280 void (*handler_wave) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
281 void (*handler_volume) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
282 void (*handler_effect) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
283 void (*volume_change) (snd_gus_card_t * gus);
284
285 snd_gus_sample_ops_t *sample_ops;
286
287 snd_seq_instr_t instr;
288
289 /* running status / registers */
290
291 snd_seq_ev_volume_t sample_volume;
292
293 unsigned short fc_register;
294 unsigned short fc_lfo;
295 unsigned short gf1_volume;
296 unsigned char control;
297 unsigned char mode;
298 unsigned char gf1_pan;
299 unsigned char effect_accumulator;
300 unsigned char volume_control;
301 unsigned char venv_value_next;
302 snd_gus_volume_state_t venv_state;
303 snd_gus_volume_state_t venv_state_prev;
304 unsigned short vlo;
305 unsigned short vro;
306 unsigned short gf1_effect_volume;
307
308 /* --- */
309
310 void *private_data;
311 void (*private_free)(snd_gus_voice_t *voice);
312};
313
314struct _snd_gf1 {
315
316 unsigned int enh_mode:1, /* enhanced mode (GFA1) */
317 hw_lfo:1, /* use hardware LFO */
318 sw_lfo:1, /* use software LFO */
319 effect:1; /* use effect voices */
320
321 unsigned long port; /* port of GF1 chip */
322 struct resource *res_port1;
323 struct resource *res_port2;
324 int irq; /* IRQ number */
325 int dma1; /* DMA1 number */
326 int dma2; /* DMA2 number */
327 unsigned int memory; /* GUS's DRAM size in bytes */
328 unsigned int rom_memory; /* GUS's ROM size in bytes */
329 unsigned int rom_present; /* bitmask */
330 unsigned int rom_banks; /* GUS's ROM banks */
331
332 snd_gf1_mem_t mem_alloc;
333 snd_info_entry_t *ram_entries[4];
334 snd_info_entry_t *rom_entries[4];
335
336 /* registers */
337 unsigned short reg_page;
338 unsigned short reg_regsel;
339 unsigned short reg_data8;
340 unsigned short reg_data16;
341 unsigned short reg_irqstat;
342 unsigned short reg_dram;
343 unsigned short reg_timerctrl;
344 unsigned short reg_timerdata;
345 unsigned char ics_regs[6][2];
346 /* --------- */
347
348 unsigned char active_voices; /* active voices */
349 unsigned char active_voice; /* selected voice (GF1PAGE register) */
350
351 snd_gus_voice_t voices[32]; /* GF1 voices */
352
353 unsigned int default_voice_address;
354
355 unsigned short playback_freq; /* GF1 playback (mixing) frequency */
356 unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */
357 unsigned char volume_ramp;
358 unsigned char smooth_pan;
359 unsigned char full_range_pan;
360 unsigned char pad0;
361
362 unsigned char *lfos;
363
364 /* interrupt handlers */
365
366 void (*interrupt_handler_midi_out) (snd_gus_card_t * gus);
367 void (*interrupt_handler_midi_in) (snd_gus_card_t * gus);
368 void (*interrupt_handler_timer1) (snd_gus_card_t * gus);
369 void (*interrupt_handler_timer2) (snd_gus_card_t * gus);
370 void (*interrupt_handler_dma_write) (snd_gus_card_t * gus);
371 void (*interrupt_handler_dma_read) (snd_gus_card_t * gus);
372
373#ifdef CONFIG_SND_DEBUG
374 unsigned int interrupt_stat_midi_out;
375 unsigned int interrupt_stat_midi_in;
376 unsigned int interrupt_stat_timer1;
377 unsigned int interrupt_stat_timer2;
378 unsigned int interrupt_stat_dma_write;
379 unsigned int interrupt_stat_dma_read;
380 unsigned int interrupt_stat_voice_lost;
381#endif
382
383 /* synthesizer */
384
385 int seq_client;
386 snd_gus_port_t seq_ports[4];
387 snd_seq_kinstr_list_t *ilist;
388 snd_iwffff_ops_t iwffff_ops;
389 snd_gf1_ops_t gf1_ops;
390 snd_simple_ops_t simple_ops;
391
392 /* timer */
393
394 unsigned short timer_enabled;
395 snd_timer_t *timer1;
396 snd_timer_t *timer2;
397
398 /* midi */
399
400 unsigned short uart_cmd;
401 unsigned int uart_framing;
402 unsigned int uart_overrun;
403
404 /* dma operations */
405
406 unsigned int dma_flags;
407 unsigned int dma_shared;
408 snd_gf1_dma_block_t *dma_data_pcm;
409 snd_gf1_dma_block_t *dma_data_pcm_last;
410 snd_gf1_dma_block_t *dma_data_synth;
411 snd_gf1_dma_block_t *dma_data_synth_last;
412 void (*dma_ack)(snd_gus_card_t * gus, void *private_data);
413 void *dma_private_data;
414
415 /* pcm */
416 int pcm_channels;
417 int pcm_alloc_voices;
418 unsigned short pcm_volume_level_left;
419 unsigned short pcm_volume_level_right;
420 unsigned short pcm_volume_level_left1;
421 unsigned short pcm_volume_level_right1;
422
423 unsigned char pcm_rcntrl_reg;
424 unsigned char pad_end;
425};
426
427/* main structure for GUS card */
428
429struct _snd_gus_card {
430 snd_card_t *card;
431
432 unsigned int
433 initialized: 1, /* resources were initialized */
434 equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */
435 equal_dma:1, /* if dma channels are equal (not valid for daughter board) */
436 ics_flag:1, /* have we ICS mixer chip */
437 ics_flipped:1, /* ICS mixer have flipped some channels? */
438 codec_flag:1, /* have we CODEC chip? */
439 max_flag:1, /* have we GUS MAX card? */
440 max_ctrl_flag:1, /* have we original GUS MAX card? */
441 daughter_flag:1, /* have we daughter board? */
442 interwave:1, /* hey - we have InterWave card */
443 ess_flag:1, /* ESS chip found... GUS Extreme */
444 ace_flag:1, /* GUS ACE detected */
445 uart_enable:1; /* enable MIDI UART */
446 unsigned short revision; /* revision of chip */
447 unsigned short max_cntrl_val; /* GUS MAX control value */
448 unsigned short mix_cntrl_reg; /* mixer control register */
449 unsigned short joystick_dac; /* joystick DAC level */
450 int timer_dev; /* timer device */
451
452 struct _snd_gf1 gf1; /* gf1 specific variables */
453#ifdef CONFIG_SND_DEBUG
454 snd_info_entry_t *irq_entry;
455#endif
456 snd_pcm_t *pcm;
457 snd_pcm_substream_t *pcm_cap_substream;
458 unsigned int c_dma_size;
459 unsigned int c_period_size;
460 unsigned int c_pos;
461
462 snd_rawmidi_t *midi_uart;
463 snd_rawmidi_substream_t *midi_substream_output;
464 snd_rawmidi_substream_t *midi_substream_input;
465
466 snd_seq_device_t *seq_dev;
467
468 spinlock_t reg_lock;
469 spinlock_t voice_alloc;
470 spinlock_t active_voice_lock;
471 spinlock_t event_lock;
472 spinlock_t dma_lock;
473 spinlock_t pcm_volume_level_lock;
474 spinlock_t uart_cmd_lock;
475 struct semaphore dma_mutex;
476 struct semaphore register_mutex;
477};
478
479/* I/O functions for GF1/InterWave chip - gus_io.c */
480
481static inline void snd_gf1_select_voice(snd_gus_card_t * gus, int voice)
482{
483 unsigned long flags;
484
485 spin_lock_irqsave(&gus->active_voice_lock, flags);
486 if (voice != gus->gf1.active_voice) {
487 gus->gf1.active_voice = voice;
488 outb(voice, GUSP(gus, GF1PAGE));
489 }
490 spin_unlock_irqrestore(&gus->active_voice_lock, flags);
491}
492
493static inline void snd_gf1_uart_cmd(snd_gus_card_t * gus, unsigned char b)
494{
495 outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
496}
497
498static inline unsigned char snd_gf1_uart_stat(snd_gus_card_t * gus)
499{
500 return inb(GUSP(gus, MIDISTAT));
501}
502
503static inline void snd_gf1_uart_put(snd_gus_card_t * gus, unsigned char b)
504{
505 outb(b, GUSP(gus, MIDIDATA));
506}
507
508static inline unsigned char snd_gf1_uart_get(snd_gus_card_t * gus)
509{
510 return inb(GUSP(gus, MIDIDATA));
511}
512
513extern void snd_gf1_delay(snd_gus_card_t * gus);
514
515extern void snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
516
517extern void snd_gf1_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
518extern unsigned char snd_gf1_look8(snd_gus_card_t * gus, unsigned char reg);
519extern inline unsigned char snd_gf1_read8(snd_gus_card_t * gus, unsigned char reg)
520{
521 return snd_gf1_look8(gus, reg | 0x80);
522}
523extern void snd_gf1_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
524extern unsigned short snd_gf1_look16(snd_gus_card_t * gus, unsigned char reg);
525extern inline unsigned short snd_gf1_read16(snd_gus_card_t * gus, unsigned char reg)
526{
527 return snd_gf1_look16(gus, reg | 0x80);
528}
529extern void snd_gf1_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
530extern void snd_gf1_dram_addr(snd_gus_card_t * gus, unsigned int addr);
531extern void snd_gf1_poke(snd_gus_card_t * gus, unsigned int addr, unsigned char data);
532extern unsigned char snd_gf1_peek(snd_gus_card_t * gus, unsigned int addr);
533extern void snd_gf1_pokew(snd_gus_card_t * gus, unsigned int addr, unsigned short data);
534extern unsigned short snd_gf1_peekw(snd_gus_card_t * gus, unsigned int addr);
535extern void snd_gf1_dram_setmem(snd_gus_card_t * gus, unsigned int addr, unsigned short value, unsigned int count);
536extern void snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit);
537extern unsigned int snd_gf1_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit);
538extern void snd_gf1_i_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
539extern void snd_gf1_i_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
540extern unsigned char snd_gf1_i_look8(snd_gus_card_t * gus, unsigned char reg);
541extern void snd_gf1_i_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
542extern inline unsigned char snd_gf1_i_read8(snd_gus_card_t * gus, unsigned char reg)
543{
544 return snd_gf1_i_look8(gus, reg | 0x80);
545}
546extern unsigned short snd_gf1_i_look16(snd_gus_card_t * gus, unsigned char reg);
547extern inline unsigned short snd_gf1_i_read16(snd_gus_card_t * gus, unsigned char reg)
548{
549 return snd_gf1_i_look16(gus, reg | 0x80);
550}
551extern void snd_gf1_i_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
552extern void snd_gf1_i_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit);
553extern unsigned int snd_gf1_i_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit);
554
555extern void snd_gf1_select_active_voices(snd_gus_card_t * gus);
556
557/* gus_lfo.c */
558
559struct _SND_IW_LFO_PROGRAM {
560 unsigned short freq_and_control;
561 unsigned char depth_final;
562 unsigned char depth_inc;
563 unsigned short twave;
564 unsigned short depth;
565};
566
567#if 0
568extern void snd_gf1_lfo_effect_interrupt(snd_gus_card_t * gus, snd_gf1_voice_t * voice);
569#endif
570extern void snd_gf1_lfo_init(snd_gus_card_t * gus);
571extern void snd_gf1_lfo_done(snd_gus_card_t * gus);
572extern void snd_gf1_lfo_program(snd_gus_card_t * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
573extern void snd_gf1_lfo_enable(snd_gus_card_t * gus, int voice, int lfo_type);
574extern void snd_gf1_lfo_disable(snd_gus_card_t * gus, int voice, int lfo_type);
575extern void snd_gf1_lfo_change_freq(snd_gus_card_t * gus, int voice, int lfo_type, int freq);
576extern void snd_gf1_lfo_change_depth(snd_gus_card_t * gus, int voice, int lfo_type, int depth);
577extern void snd_gf1_lfo_setup(snd_gus_card_t * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape);
578extern void snd_gf1_lfo_shutdown(snd_gus_card_t * gus, int voice, int lfo_type);
579#if 0
580extern void snd_gf1_lfo_command(snd_gus_card_t * gus, int voice, unsigned char *command);
581#endif
582
583/* gus_mem.c */
584
585void snd_gf1_mem_lock(snd_gf1_mem_t * alloc, int xup);
586int snd_gf1_mem_xfree(snd_gf1_mem_t * alloc, snd_gf1_mem_block_t * block);
587snd_gf1_mem_block_t *snd_gf1_mem_look(snd_gf1_mem_t * alloc,
588 unsigned int address);
589snd_gf1_mem_block_t *snd_gf1_mem_share(snd_gf1_mem_t * alloc,
590 unsigned int *share_id);
591snd_gf1_mem_block_t *snd_gf1_mem_alloc(snd_gf1_mem_t * alloc, int owner,
592 char *name, int size, int w_16,
593 int align, unsigned int *share_id);
594int snd_gf1_mem_free(snd_gf1_mem_t * alloc, unsigned int address);
595int snd_gf1_mem_free_owner(snd_gf1_mem_t * alloc, int owner);
596int snd_gf1_mem_init(snd_gus_card_t * gus);
597int snd_gf1_mem_done(snd_gus_card_t * gus);
598
599/* gus_mem_proc.c */
600
601int snd_gf1_mem_proc_init(snd_gus_card_t * gus);
602int snd_gf1_mem_proc_done(snd_gus_card_t * gus);
603
604/* gus_dma.c */
605
606void snd_gf1_dma_program(snd_gus_card_t * gus, unsigned int addr,
607 const void *buf, unsigned int count,
608 unsigned int cmd);
609void snd_gf1_dma_ack(snd_gus_card_t * gus);
610int snd_gf1_dma_init(snd_gus_card_t * gus);
611int snd_gf1_dma_done(snd_gus_card_t * gus);
612int snd_gf1_dma_transfer_block(snd_gus_card_t * gus,
613 snd_gf1_dma_block_t * block,
614 int atomic,
615 int synth);
616
617/* gus_volume.c */
618
619unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
620unsigned int snd_gf1_gvol_to_lvol_raw(unsigned short gf1_vol);
621unsigned int snd_gf1_calc_ramp_rate(snd_gus_card_t * gus,
622 unsigned short start,
623 unsigned short end,
624 unsigned int us);
625unsigned short snd_gf1_translate_freq(snd_gus_card_t * gus, unsigned int freq2);
626unsigned short snd_gf1_compute_pitchbend(unsigned short pitchbend, unsigned short sens);
627unsigned short snd_gf1_compute_freq(unsigned int freq,
628 unsigned int rate,
629 unsigned short mix_rate);
630
631/* gus_reset.c */
632
633void snd_gf1_set_default_handlers(snd_gus_card_t * gus, unsigned int what);
634void snd_gf1_smart_stop_voice(snd_gus_card_t * gus, unsigned short voice);
635void snd_gf1_stop_voice(snd_gus_card_t * gus, unsigned short voice);
636void snd_gf1_clear_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max);
637void snd_gf1_stop_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max);
638snd_gus_voice_t *snd_gf1_alloc_voice(snd_gus_card_t * gus, int type, int client, int port);
639void snd_gf1_free_voice(snd_gus_card_t * gus, snd_gus_voice_t *voice);
640int snd_gf1_start(snd_gus_card_t * gus);
641int snd_gf1_stop(snd_gus_card_t * gus);
642
643/* gus_mixer.c */
644
645int snd_gf1_new_mixer(snd_gus_card_t * gus);
646
647/* gus_pcm.c */
648
649int snd_gf1_pcm_new(snd_gus_card_t * gus, int pcm_dev, int control_index, snd_pcm_t ** rpcm);
650
651#ifdef CONFIG_SND_DEBUG
652extern void snd_gf1_print_voice_registers(snd_gus_card_t * gus);
653extern void snd_gf1_print_global_registers(snd_gus_card_t * gus);
654extern void snd_gf1_print_setup_registers(snd_gus_card_t * gus);
655extern void snd_gf1_peek_print_block(snd_gus_card_t * gus, unsigned int addr, int count, int w_16bit);
656#endif
657
658/* gus.c */
659
660int snd_gus_use_inc(snd_gus_card_t * gus);
661void snd_gus_use_dec(snd_gus_card_t * gus);
662int snd_gus_create(snd_card_t * card,
663 unsigned long port,
664 int irq, int dma1, int dma2,
665 int timer_dev,
666 int voices,
667 int pcm_channels,
668 int effect,
669 snd_gus_card_t ** rgus);
670int snd_gus_initialize(snd_gus_card_t * gus);
671
672/* gus_irq.c */
673
674void snd_gus_interrupt(int irq, void *dev_id, struct pt_regs *regs);
675#ifdef CONFIG_SND_DEBUG
676void snd_gus_irq_profile_init(snd_gus_card_t *gus);
677void snd_gus_irq_profile_done(snd_gus_card_t *gus);
678#endif
679
680/* gus_uart.c */
681
682int snd_gf1_rawmidi_new(snd_gus_card_t * gus, int device, snd_rawmidi_t **rrawmidi);
683
684#if 0
685extern void snd_engine_instrument_register(unsigned short mode,
686 struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds,
687 struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds,
688 struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds);
689extern int snd_engine_instrument_register_ask(unsigned short mode);
690#endif
691
692/* gus_dram.c */
693int snd_gus_dram_write(snd_gus_card_t *gus, char *ptr,
694 unsigned int addr, unsigned int size);
695int snd_gus_dram_read(snd_gus_card_t *gus, char *ptr,
696 unsigned int addr, unsigned int size, int rom);
697
698#ifdef CONFIG_SND_SEQUENCER
699
700/* gus_sample.c */
701void snd_gus_sample_event(snd_seq_event_t *ev, snd_gus_port_t *p);
702
703/* gus_simple.c */
704void snd_gf1_simple_init(snd_gus_voice_t *voice);
705
706/* gus_instr.c */
707int snd_gus_iwffff_put_sample(void *private_data, iwffff_wave_t *wave,
708 char *data, long len, int atomic);
709int snd_gus_iwffff_get_sample(void *private_data, iwffff_wave_t *wave,
710 char *data, long len, int atomic);
711int snd_gus_iwffff_remove_sample(void *private_data, iwffff_wave_t *wave,
712 int atomic);
713int snd_gus_gf1_put_sample(void *private_data, gf1_wave_t *wave,
714 char *data, long len, int atomic);
715int snd_gus_gf1_get_sample(void *private_data, gf1_wave_t *wave,
716 char *data, long len, int atomic);
717int snd_gus_gf1_remove_sample(void *private_data, gf1_wave_t *wave,
718 int atomic);
719int snd_gus_simple_put_sample(void *private_data, simple_instrument_t *instr,
720 char *data, long len, int atomic);
721int snd_gus_simple_get_sample(void *private_data, simple_instrument_t *instr,
722 char *data, long len, int atomic);
723int snd_gus_simple_remove_sample(void *private_data, simple_instrument_t *instr,
724 int atomic);
725
726#endif /* CONFIG_SND_SEQUENCER */
727
728#endif /* __GUS_H */
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