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
snd_gf1_select_voice(struct snd_gus_card * gus,int voice)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
snd_gf1_uart_cmd(struct snd_gus_card * gus,unsigned char b)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
snd_gf1_uart_stat(struct snd_gus_card * gus)468 static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus)
469 {
470 return inb(GUSP(gus, MIDISTAT));
471 }
472
snd_gf1_uart_put(struct snd_gus_card * gus,unsigned char b)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
snd_gf1_uart_get(struct snd_gus_card * gus)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);
snd_gf1_read8(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);
snd_gf1_read16(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);
snd_gf1_i_read8(struct snd_gus_card * gus,unsigned char reg)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);
snd_gf1_i_read16(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