Linux 6.7-rc7
[linux-modified.git] / include / sound / gus.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef __SOUND_GUS_H
3 #define __SOUND_GUS_H
4
5 /*
6  *  Global structures used for GUS part of ALSA driver
7  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
8  */
9
10 #include <sound/pcm.h>
11 #include <sound/rawmidi.h>
12 #include <sound/timer.h>
13 #include <sound/seq_midi_emul.h>
14 #include <sound/seq_device.h>
15 #include <linux/io.h>
16
17 /* IO ports */
18
19 #define GUSP(gus, x)                    ((gus)->gf1.port + SNDRV_g_u_s_##x)
20
21 #define SNDRV_g_u_s_MIDICTRL            (0x320-0x220)
22 #define SNDRV_g_u_s_MIDISTAT            (0x320-0x220)
23 #define SNDRV_g_u_s_MIDIDATA            (0x321-0x220)
24
25 #define SNDRV_g_u_s_GF1PAGE             (0x322-0x220)
26 #define SNDRV_g_u_s_GF1REGSEL           (0x323-0x220)
27 #define SNDRV_g_u_s_GF1DATALOW          (0x324-0x220)
28 #define SNDRV_g_u_s_GF1DATAHIGH         (0x325-0x220)
29 #define SNDRV_g_u_s_IRQSTAT             (0x226-0x220)
30 #define SNDRV_g_u_s_TIMERCNTRL          (0x228-0x220)
31 #define SNDRV_g_u_s_TIMERDATA           (0x229-0x220)
32 #define SNDRV_g_u_s_DRAM                (0x327-0x220)
33 #define SNDRV_g_u_s_MIXCNTRLREG         (0x220-0x220)
34 #define SNDRV_g_u_s_IRQDMACNTRLREG      (0x22b-0x220)
35 #define SNDRV_g_u_s_REGCNTRLS           (0x22f-0x220)
36 #define SNDRV_g_u_s_BOARDVERSION        (0x726-0x220)
37 #define SNDRV_g_u_s_MIXCNTRLPORT        (0x726-0x220)
38 #define SNDRV_g_u_s_IVER                (0x325-0x220)
39 #define SNDRV_g_u_s_MIXDATAPORT         (0x326-0x220)
40 #define SNDRV_g_u_s_MAXCNTRLPORT        (0x326-0x220)
41
42 /* GF1 registers */
43
44 /* global registers */
45 #define SNDRV_GF1_GB_ACTIVE_VOICES              0x0e
46 #define SNDRV_GF1_GB_VOICES_IRQ                 0x0f
47 #define SNDRV_GF1_GB_GLOBAL_MODE                0x19
48 #define SNDRV_GF1_GW_LFO_BASE                   0x1a
49 #define SNDRV_GF1_GB_VOICES_IRQ_READ            0x1f
50 #define SNDRV_GF1_GB_DRAM_DMA_CONTROL           0x41
51 #define SNDRV_GF1_GW_DRAM_DMA_LOW               0x42
52 #define SNDRV_GF1_GW_DRAM_IO_LOW                0x43
53 #define SNDRV_GF1_GB_DRAM_IO_HIGH               0x44
54 #define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL      0x45
55 #define SNDRV_GF1_GB_ADLIB_TIMER_1              0x46
56 #define SNDRV_GF1_GB_ADLIB_TIMER_2              0x47
57 #define SNDRV_GF1_GB_RECORD_RATE                0x48
58 #define SNDRV_GF1_GB_REC_DMA_CONTROL            0x49
59 #define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL         0x4b
60 #define SNDRV_GF1_GB_RESET                      0x4c
61 #define SNDRV_GF1_GB_DRAM_DMA_HIGH              0x50
62 #define SNDRV_GF1_GW_DRAM_IO16                  0x51
63 #define SNDRV_GF1_GW_MEMORY_CONFIG              0x52
64 #define SNDRV_GF1_GB_MEMORY_CONTROL             0x53
65 #define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR      0x54
66 #define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR        0x55
67 #define SNDRV_GF1_GW_FIFO_SIZE                  0x56
68 #define SNDRV_GF1_GW_INTERLEAVE                 0x57
69 #define SNDRV_GF1_GB_COMPATIBILITY              0x59
70 #define SNDRV_GF1_GB_DECODE_CONTROL             0x5a
71 #define SNDRV_GF1_GB_VERSION_NUMBER             0x5b
72 #define SNDRV_GF1_GB_MPU401_CONTROL_A           0x5c
73 #define SNDRV_GF1_GB_MPU401_CONTROL_B           0x5d
74 #define SNDRV_GF1_GB_EMULATION_IRQ              0x60
75 /* voice specific registers */
76 #define SNDRV_GF1_VB_ADDRESS_CONTROL            0x00
77 #define SNDRV_GF1_VW_FREQUENCY                  0x01
78 #define SNDRV_GF1_VW_START_HIGH                 0x02
79 #define SNDRV_GF1_VW_START_LOW                  0x03
80 #define SNDRV_GF1_VA_START                      SNDRV_GF1_VW_START_HIGH
81 #define SNDRV_GF1_VW_END_HIGH                   0x04
82 #define SNDRV_GF1_VW_END_LOW                    0x05
83 #define SNDRV_GF1_VA_END                        SNDRV_GF1_VW_END_HIGH
84 #define SNDRV_GF1_VB_VOLUME_RATE                0x06
85 #define SNDRV_GF1_VB_VOLUME_START               0x07
86 #define SNDRV_GF1_VB_VOLUME_END                 0x08
87 #define SNDRV_GF1_VW_VOLUME                     0x09
88 #define SNDRV_GF1_VW_CURRENT_HIGH               0x0a
89 #define SNDRV_GF1_VW_CURRENT_LOW                0x0b
90 #define SNDRV_GF1_VA_CURRENT                    SNDRV_GF1_VW_CURRENT_HIGH
91 #define SNDRV_GF1_VB_PAN                        0x0c
92 #define SNDRV_GF1_VW_OFFSET_RIGHT               0x0c
93 #define SNDRV_GF1_VB_VOLUME_CONTROL             0x0d
94 #define SNDRV_GF1_VB_UPPER_ADDRESS              0x10
95 #define SNDRV_GF1_VW_EFFECT_HIGH                0x11
96 #define SNDRV_GF1_VW_EFFECT_LOW                 0x12
97 #define SNDRV_GF1_VA_EFFECT                     SNDRV_GF1_VW_EFFECT_HIGH
98 #define SNDRV_GF1_VW_OFFSET_LEFT                0x13
99 #define SNDRV_GF1_VB_ACCUMULATOR                0x14
100 #define SNDRV_GF1_VB_MODE                       0x15
101 #define SNDRV_GF1_VW_EFFECT_VOLUME              0x16
102 #define SNDRV_GF1_VB_FREQUENCY_LFO              0x17
103 #define SNDRV_GF1_VB_VOLUME_LFO                 0x18
104 #define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL         0x1b
105 #define SNDRV_GF1_VW_OFFSET_LEFT_FINAL          0x1c
106 #define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL        0x1d
107
108 /* ICS registers */
109
110 #define SNDRV_ICS_MIC_DEV               0
111 #define SNDRV_ICS_LINE_DEV              1
112 #define SNDRV_ICS_CD_DEV                2
113 #define SNDRV_ICS_GF1_DEV               3
114 #define SNDRV_ICS_NONE_DEV              4
115 #define SNDRV_ICS_MASTER_DEV            5
116
117 /* LFO */
118
119 #define SNDRV_LFO_TREMOLO               0
120 #define SNDRV_LFO_VIBRATO               1
121
122 /* misc */
123
124 #define SNDRV_GF1_DMA_UNSIGNED  0x80
125 #define SNDRV_GF1_DMA_16BIT     0x40
126 #define SNDRV_GF1_DMA_IRQ       0x20
127 #define SNDRV_GF1_DMA_WIDTH16   0x04
128 #define SNDRV_GF1_DMA_READ      0x02    /* read from GUS's DRAM */
129 #define SNDRV_GF1_DMA_ENABLE    0x01
130
131 /* ramp ranges */
132
133 #define SNDRV_GF1_ATTEN(x)      (snd_gf1_atten_table[x])
134 #define SNDRV_GF1_MIN_VOLUME    1800
135 #define SNDRV_GF1_MAX_VOLUME    4095
136 #define SNDRV_GF1_MIN_OFFSET    (SNDRV_GF1_MIN_VOLUME>>4)
137 #define SNDRV_GF1_MAX_OFFSET    255
138 #define SNDRV_GF1_MAX_TDEPTH    90
139
140 /* defines for memory manager */
141
142 #define SNDRV_GF1_MEM_BLOCK_16BIT       0x0001
143
144 #define SNDRV_GF1_MEM_OWNER_DRIVER      0x0001
145 #define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002
146 #define SNDRV_GF1_MEM_OWNER_WAVE_GF1    0x0003
147 #define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004
148
149 /* constants for interrupt handlers */
150
151 #define SNDRV_GF1_HANDLER_MIDI_OUT      0x00010000
152 #define SNDRV_GF1_HANDLER_MIDI_IN       0x00020000
153 #define SNDRV_GF1_HANDLER_TIMER1        0x00040000
154 #define SNDRV_GF1_HANDLER_TIMER2        0x00080000
155 #define SNDRV_GF1_HANDLER_VOICE         0x00100000
156 #define SNDRV_GF1_HANDLER_DMA_WRITE     0x00200000
157 #define SNDRV_GF1_HANDLER_DMA_READ      0x00400000
158 #define SNDRV_GF1_HANDLER_ALL           (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)
159
160 /* constants for DMA flags */
161
162 #define SNDRV_GF1_DMA_TRIGGER           1
163
164 /* --- */
165
166 struct snd_gus_card;
167
168 /* GF1 specific structure */
169
170 struct snd_gf1_bank_info {
171         unsigned int address;
172         unsigned int size;
173 };
174
175 struct snd_gf1_mem_block {
176         unsigned short flags;   /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
177         unsigned short owner;   /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
178         unsigned int share;     /* share count */
179         unsigned int share_id[4]; /* share ID */
180         unsigned int ptr;
181         unsigned int size;
182         char *name;
183         struct snd_gf1_mem_block *next;
184         struct snd_gf1_mem_block *prev;
185 };
186
187 struct snd_gf1_mem {
188         struct snd_gf1_bank_info banks_8[4];
189         struct snd_gf1_bank_info banks_16[4];
190         struct snd_gf1_mem_block *first;
191         struct snd_gf1_mem_block *last;
192         struct mutex memory_mutex;
193 };
194
195 struct snd_gf1_dma_block {
196         void *buffer;           /* buffer in computer's RAM */
197         unsigned long buf_addr; /* buffer address */
198         unsigned int addr;      /* address in onboard memory */
199         unsigned int count;     /* count in bytes */
200         unsigned int cmd;       /* DMA command (format) */
201         void (*ack)(struct snd_gus_card * gus, void *private_data);
202         void *private_data;
203         struct snd_gf1_dma_block *next;
204 };
205
206 struct snd_gus_port {
207         struct snd_midi_channel_set * chset;
208         struct snd_gus_card * gus;
209         int mode;               /* operation mode */
210         int client;             /* sequencer client number */
211         int port;               /* sequencer port number */
212         unsigned int midi_has_voices: 1;
213 };
214
215 struct snd_gus_voice;
216
217 #define SNDRV_GF1_VOICE_TYPE_PCM        0
218 #define SNDRV_GF1_VOICE_TYPE_SYNTH      1
219 #define SNDRV_GF1_VOICE_TYPE_MIDI       2
220
221 #define SNDRV_GF1_VFLG_RUNNING          (1<<0)
222 #define SNDRV_GF1_VFLG_EFFECT_TIMER1    (1<<1)
223 #define SNDRV_GF1_VFLG_PAN              (1<<2)
224
225 enum snd_gus_volume_state {
226         VENV_BEFORE,
227         VENV_ATTACK,
228         VENV_SUSTAIN,
229         VENV_RELEASE,
230         VENV_DONE,
231         VENV_VOLUME
232 };
233
234 struct snd_gus_voice {
235         int number;
236         unsigned int use: 1,
237             pcm: 1,
238             synth:1,
239             midi: 1;
240         unsigned int flags;
241         unsigned char client;
242         unsigned char port;
243         unsigned char index;
244         unsigned char pad;
245         
246 #ifdef CONFIG_SND_DEBUG
247         unsigned int interrupt_stat_wave;
248         unsigned int interrupt_stat_volume;
249 #endif
250         void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
251         void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
252         void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
253         void (*volume_change) (struct snd_gus_card * gus);
254
255         struct snd_gus_sample_ops *sample_ops;
256
257         /* running status / registers */
258
259         unsigned short fc_register;
260         unsigned short fc_lfo;
261         unsigned short gf1_volume;
262         unsigned char control;
263         unsigned char mode;
264         unsigned char gf1_pan;
265         unsigned char effect_accumulator;
266         unsigned char volume_control;
267         unsigned char venv_value_next;
268         enum snd_gus_volume_state venv_state;
269         enum snd_gus_volume_state venv_state_prev;
270         unsigned short vlo;
271         unsigned short vro;
272         unsigned short gf1_effect_volume;
273         
274         /* --- */
275
276         void *private_data;
277         void (*private_free)(struct snd_gus_voice *voice);
278 };
279
280 struct snd_gf1 {
281
282         unsigned int enh_mode:1,        /* enhanced mode (GFA1) */
283                      hw_lfo:1,          /* use hardware LFO */
284                      sw_lfo:1,          /* use software LFO */
285                      effect:1;          /* use effect voices */
286
287         unsigned long port;             /* port of GF1 chip */
288         struct resource *res_port1;
289         struct resource *res_port2;
290         int irq;                        /* IRQ number */
291         int dma1;                       /* DMA1 number */
292         int dma2;                       /* DMA2 number */
293         unsigned int memory;            /* GUS's DRAM size in bytes */
294         unsigned int rom_memory;        /* GUS's ROM size in bytes */
295         unsigned int rom_present;       /* bitmask */
296         unsigned int rom_banks;         /* GUS's ROM banks */
297
298         struct snd_gf1_mem mem_alloc;
299
300         /* registers */
301         unsigned short reg_page;
302         unsigned short reg_regsel;
303         unsigned short reg_data8;
304         unsigned short reg_data16;
305         unsigned short reg_irqstat;
306         unsigned short reg_dram;
307         unsigned short reg_timerctrl;
308         unsigned short reg_timerdata;
309         unsigned char ics_regs[6][2];
310         /* --------- */
311
312         unsigned char active_voices;    /* active voices */
313         unsigned char active_voice;     /* selected voice (GF1PAGE register) */
314
315         struct snd_gus_voice voices[32];        /* GF1 voices */
316
317         unsigned int default_voice_address;
318
319         unsigned short playback_freq;   /* GF1 playback (mixing) frequency */
320         unsigned short mode;            /* see to SNDRV_GF1_MODE_XXXX */
321         unsigned char volume_ramp;
322         unsigned char smooth_pan;
323         unsigned char full_range_pan;
324         unsigned char pad0;
325
326         unsigned char *lfos;
327
328         /* interrupt handlers */
329
330         void (*interrupt_handler_midi_out) (struct snd_gus_card * gus);
331         void (*interrupt_handler_midi_in) (struct snd_gus_card * gus);
332         void (*interrupt_handler_timer1) (struct snd_gus_card * gus);
333         void (*interrupt_handler_timer2) (struct snd_gus_card * gus);
334         void (*interrupt_handler_dma_write) (struct snd_gus_card * gus);
335         void (*interrupt_handler_dma_read) (struct snd_gus_card * gus);
336
337 #ifdef CONFIG_SND_DEBUG
338         unsigned int interrupt_stat_midi_out;
339         unsigned int interrupt_stat_midi_in;
340         unsigned int interrupt_stat_timer1;
341         unsigned int interrupt_stat_timer2;
342         unsigned int interrupt_stat_dma_write;
343         unsigned int interrupt_stat_dma_read;
344         unsigned int interrupt_stat_voice_lost;
345 #endif
346
347         /* synthesizer */
348
349         int seq_client;
350         struct snd_gus_port seq_ports[4];
351
352         /* timer */
353
354         unsigned short timer_enabled;
355         struct snd_timer *timer1;
356         struct snd_timer *timer2;
357
358         /* midi */
359
360         unsigned short uart_cmd;
361         unsigned int uart_framing;
362         unsigned int uart_overrun;
363
364         /* dma operations */
365
366         unsigned int dma_flags;
367         unsigned int dma_shared;
368         struct snd_gf1_dma_block *dma_data_pcm;
369         struct snd_gf1_dma_block *dma_data_pcm_last;
370         struct snd_gf1_dma_block *dma_data_synth;
371         struct snd_gf1_dma_block *dma_data_synth_last;
372         void (*dma_ack)(struct snd_gus_card * gus, void *private_data);
373         void *dma_private_data;
374
375         /* pcm */
376         int pcm_channels;
377         int pcm_alloc_voices;
378         unsigned short pcm_volume_level_left;
379         unsigned short pcm_volume_level_right;
380         unsigned short pcm_volume_level_left1;
381         unsigned short pcm_volume_level_right1;
382                                 
383         unsigned char pcm_rcntrl_reg;
384         unsigned char pad_end;
385 };
386
387 /* main structure for GUS card */
388
389 struct snd_gus_card {
390         struct snd_card *card;
391
392         unsigned int
393          initialized: 1,                /* resources were initialized */
394          equal_irq:1,                   /* GF1 and CODEC shares IRQ (GUS MAX only) */
395          equal_dma:1,                   /* if dma channels are equal (not valid for daughter board) */
396          ics_flag:1,                    /* have we ICS mixer chip */
397          ics_flipped:1,                 /* ICS mixer have flipped some channels? */
398          codec_flag:1,                  /* have we CODEC chip? */
399          max_flag:1,                    /* have we GUS MAX card? */
400          max_ctrl_flag:1,               /* have we original GUS MAX card? */
401          daughter_flag:1,               /* have we daughter board? */
402          interwave:1,                   /* hey - we have InterWave card */
403          ess_flag:1,                    /* ESS chip found... GUS Extreme */
404          ace_flag:1,                    /* GUS ACE detected */
405          uart_enable:1;                 /* enable MIDI UART */
406         unsigned short revision;        /* revision of chip */
407         unsigned short max_cntrl_val;   /* GUS MAX control value */
408         unsigned short mix_cntrl_reg;   /* mixer control register */
409         unsigned short joystick_dac;    /* joystick DAC level */
410         int timer_dev;                  /* timer device */
411
412         struct snd_gf1 gf1;     /* gf1 specific variables */
413         struct snd_pcm *pcm;
414         struct snd_pcm_substream *pcm_cap_substream;
415         unsigned int c_dma_size;
416         unsigned int c_period_size;
417         unsigned int c_pos;
418
419         struct snd_rawmidi *midi_uart;
420         struct snd_rawmidi_substream *midi_substream_output;
421         struct snd_rawmidi_substream *midi_substream_input;
422
423         spinlock_t reg_lock;
424         spinlock_t voice_alloc;
425         spinlock_t active_voice_lock;
426         spinlock_t event_lock;
427         spinlock_t dma_lock;
428         spinlock_t pcm_volume_level_lock;
429         spinlock_t uart_cmd_lock;
430         struct mutex dma_mutex;
431         struct mutex register_mutex;
432 };
433
434 /* I/O functions for GF1/InterWave chip - gus_io.c */
435
436 static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice)
437 {
438         unsigned long flags;
439
440         spin_lock_irqsave(&gus->active_voice_lock, flags);
441         if (voice != gus->gf1.active_voice) {
442                 gus->gf1.active_voice = voice;
443                 outb(voice, GUSP(gus, GF1PAGE));
444         }
445         spin_unlock_irqrestore(&gus->active_voice_lock, flags);
446 }
447
448 static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b)
449 {
450         outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
451 }
452
453 static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus)
454 {
455         return inb(GUSP(gus, MIDISTAT));
456 }
457
458 static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b)
459 {
460         outb(b, GUSP(gus, MIDIDATA));
461 }
462
463 static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus)
464 {
465         return inb(GUSP(gus, MIDIDATA));
466 }
467
468 extern void snd_gf1_delay(struct snd_gus_card * gus);
469
470 extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
471
472 extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
473 extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg);
474 static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg)
475 {
476         return snd_gf1_look8(gus, reg | 0x80);
477 }
478 extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
479 extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg);
480 static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg)
481 {
482         return snd_gf1_look16(gus, reg | 0x80);
483 }
484 extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
485 extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr);
486 extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data);
487 extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr);
488 extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit);
489 extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit);
490 extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
491 extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
492 extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg);
493 extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
494 static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg)
495 {
496         return snd_gf1_i_look8(gus, reg | 0x80);
497 }
498 extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg);
499 static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg)
500 {
501         return snd_gf1_i_look16(gus, reg | 0x80);
502 }
503
504 extern void snd_gf1_select_active_voices(struct snd_gus_card * gus);
505
506 /* gus_lfo.c */
507
508 struct _SND_IW_LFO_PROGRAM {
509         unsigned short freq_and_control;
510         unsigned char depth_final;
511         unsigned char depth_inc;
512         unsigned short twave;
513         unsigned short depth;
514 };
515
516 #if 0
517 extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice);
518 #endif
519 extern void snd_gf1_lfo_init(struct snd_gus_card * gus);
520 extern void snd_gf1_lfo_done(struct snd_gus_card * gus);
521 extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
522 extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type);
523 extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type);
524 extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq);
525 extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth);
526 extern void snd_gf1_lfo_setup(struct snd_gus_card * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape);
527 extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type);
528 #if 0
529 extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command);
530 #endif
531
532 /* gus_mem.c */
533
534 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup);
535 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block);
536 struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
537                                        char *name, int size, int w_16,
538                                        int align, unsigned int *share_id);
539 int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address);
540 int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner);
541 int snd_gf1_mem_init(struct snd_gus_card * gus);
542 int snd_gf1_mem_done(struct snd_gus_card * gus);
543
544 /* gus_mem_proc.c */
545
546 int snd_gf1_mem_proc_init(struct snd_gus_card * gus);
547
548 /* gus_dma.c */
549
550 int snd_gf1_dma_init(struct snd_gus_card * gus);
551 int snd_gf1_dma_done(struct snd_gus_card * gus);
552 int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
553                                struct snd_gf1_dma_block * block,
554                                int atomic,
555                                int synth);
556
557 /* gus_volume.c */
558
559 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
560 unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2);
561
562 /* gus_reset.c */
563
564 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what);
565 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice);
566 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice);
567 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max);
568 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port);
569 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice);
570 int snd_gf1_start(struct snd_gus_card * gus);
571 int snd_gf1_stop(struct snd_gus_card * gus);
572
573 /* gus_mixer.c */
574
575 int snd_gf1_new_mixer(struct snd_gus_card * gus);
576
577 /* gus_pcm.c */
578
579 int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index);
580
581 #ifdef CONFIG_SND_DEBUG
582 extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus);
583 #endif
584
585 /* gus.c */
586
587 int snd_gus_use_inc(struct snd_gus_card * gus);
588 void snd_gus_use_dec(struct snd_gus_card * gus);
589 int snd_gus_create(struct snd_card *card,
590                    unsigned long port,
591                    int irq, int dma1, int dma2,
592                    int timer_dev,
593                    int voices,
594                    int pcm_channels,
595                    int effect,
596                    struct snd_gus_card ** rgus);
597 int snd_gus_initialize(struct snd_gus_card * gus);
598
599 /* gus_irq.c */
600
601 irqreturn_t snd_gus_interrupt(int irq, void *dev_id);
602 #ifdef CONFIG_SND_DEBUG
603 void snd_gus_irq_profile_init(struct snd_gus_card *gus);
604 #endif
605
606 /* gus_uart.c */
607
608 int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device);
609
610 /* gus_dram.c */
611 int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr,
612                        unsigned int addr, unsigned int size);
613 int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr,
614                       unsigned int addr, unsigned int size, int rom);
615
616 /* gus_timer.c */
617 void snd_gf1_timers_init(struct snd_gus_card *gus);
618 void snd_gf1_timers_done(struct snd_gus_card *gus);
619
620 #endif /* __SOUND_GUS_H */