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1da177e4 LT |
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@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., 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 "ainstr_iw.h" | |
31 | #include "ainstr_gf1.h" | |
32 | #include "ainstr_simple.h" | |
33 | #include <asm/io.h> | |
34 | ||
35 | #define SNDRV_SEQ_DEV_ID_GUS "gus-synth" | |
36 | ||
37 | /* IO ports */ | |
38 | ||
39 | #define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x) | |
40 | ||
41 | #define SNDRV_g_u_s_MIDICTRL (0x320-0x220) | |
42 | #define SNDRV_g_u_s_MIDISTAT (0x320-0x220) | |
43 | #define SNDRV_g_u_s_MIDIDATA (0x321-0x220) | |
44 | ||
45 | #define SNDRV_g_u_s_GF1PAGE (0x322-0x220) | |
46 | #define SNDRV_g_u_s_GF1REGSEL (0x323-0x220) | |
47 | #define SNDRV_g_u_s_GF1DATALOW (0x324-0x220) | |
48 | #define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220) | |
49 | #define SNDRV_g_u_s_IRQSTAT (0x226-0x220) | |
50 | #define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220) | |
51 | #define SNDRV_g_u_s_TIMERDATA (0x229-0x220) | |
52 | #define SNDRV_g_u_s_DRAM (0x327-0x220) | |
53 | #define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220) | |
54 | #define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220) | |
55 | #define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220) | |
56 | #define SNDRV_g_u_s_BOARDVERSION (0x726-0x220) | |
57 | #define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220) | |
58 | #define SNDRV_g_u_s_IVER (0x325-0x220) | |
59 | #define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220) | |
60 | #define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220) | |
61 | ||
62 | /* GF1 registers */ | |
63 | ||
64 | /* global registers */ | |
65 | #define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e | |
66 | #define SNDRV_GF1_GB_VOICES_IRQ 0x0f | |
67 | #define SNDRV_GF1_GB_GLOBAL_MODE 0x19 | |
68 | #define SNDRV_GF1_GW_LFO_BASE 0x1a | |
69 | #define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f | |
70 | #define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x41 | |
71 | #define SNDRV_GF1_GW_DRAM_DMA_LOW 0x42 | |
72 | #define SNDRV_GF1_GW_DRAM_IO_LOW 0x43 | |
73 | #define SNDRV_GF1_GB_DRAM_IO_HIGH 0x44 | |
74 | #define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x45 | |
75 | #define SNDRV_GF1_GB_ADLIB_TIMER_1 0x46 | |
76 | #define SNDRV_GF1_GB_ADLIB_TIMER_2 0x47 | |
77 | #define SNDRV_GF1_GB_RECORD_RATE 0x48 | |
78 | #define SNDRV_GF1_GB_REC_DMA_CONTROL 0x49 | |
79 | #define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b | |
80 | #define SNDRV_GF1_GB_RESET 0x4c | |
81 | #define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x50 | |
82 | #define SNDRV_GF1_GW_DRAM_IO16 0x51 | |
83 | #define SNDRV_GF1_GW_MEMORY_CONFIG 0x52 | |
84 | #define SNDRV_GF1_GB_MEMORY_CONTROL 0x53 | |
85 | #define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x54 | |
86 | #define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x55 | |
87 | #define SNDRV_GF1_GW_FIFO_SIZE 0x56 | |
88 | #define SNDRV_GF1_GW_INTERLEAVE 0x57 | |
89 | #define SNDRV_GF1_GB_COMPATIBILITY 0x59 | |
90 | #define SNDRV_GF1_GB_DECODE_CONTROL 0x5a | |
91 | #define SNDRV_GF1_GB_VERSION_NUMBER 0x5b | |
92 | #define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c | |
93 | #define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d | |
94 | #define SNDRV_GF1_GB_EMULATION_IRQ 0x60 | |
95 | /* voice specific registers */ | |
96 | #define SNDRV_GF1_VB_ADDRESS_CONTROL 0x00 | |
97 | #define SNDRV_GF1_VW_FREQUENCY 0x01 | |
98 | #define SNDRV_GF1_VW_START_HIGH 0x02 | |
99 | #define SNDRV_GF1_VW_START_LOW 0x03 | |
100 | #define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH | |
101 | #define SNDRV_GF1_VW_END_HIGH 0x04 | |
102 | #define SNDRV_GF1_VW_END_LOW 0x05 | |
103 | #define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH | |
104 | #define SNDRV_GF1_VB_VOLUME_RATE 0x06 | |
105 | #define SNDRV_GF1_VB_VOLUME_START 0x07 | |
106 | #define SNDRV_GF1_VB_VOLUME_END 0x08 | |
107 | #define SNDRV_GF1_VW_VOLUME 0x09 | |
108 | #define SNDRV_GF1_VW_CURRENT_HIGH 0x0a | |
109 | #define SNDRV_GF1_VW_CURRENT_LOW 0x0b | |
110 | #define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH | |
111 | #define SNDRV_GF1_VB_PAN 0x0c | |
112 | #define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c | |
113 | #define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d | |
114 | #define SNDRV_GF1_VB_UPPER_ADDRESS 0x10 | |
115 | #define SNDRV_GF1_VW_EFFECT_HIGH 0x11 | |
116 | #define SNDRV_GF1_VW_EFFECT_LOW 0x12 | |
117 | #define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH | |
118 | #define SNDRV_GF1_VW_OFFSET_LEFT 0x13 | |
119 | #define SNDRV_GF1_VB_ACCUMULATOR 0x14 | |
120 | #define SNDRV_GF1_VB_MODE 0x15 | |
121 | #define SNDRV_GF1_VW_EFFECT_VOLUME 0x16 | |
122 | #define SNDRV_GF1_VB_FREQUENCY_LFO 0x17 | |
123 | #define SNDRV_GF1_VB_VOLUME_LFO 0x18 | |
124 | #define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b | |
125 | #define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c | |
126 | #define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d | |
127 | ||
128 | /* ICS registers */ | |
129 | ||
130 | #define SNDRV_ICS_MIC_DEV 0 | |
131 | #define SNDRV_ICS_LINE_DEV 1 | |
132 | #define SNDRV_ICS_CD_DEV 2 | |
133 | #define SNDRV_ICS_GF1_DEV 3 | |
134 | #define SNDRV_ICS_NONE_DEV 4 | |
135 | #define SNDRV_ICS_MASTER_DEV 5 | |
136 | ||
137 | /* LFO */ | |
138 | ||
139 | #define SNDRV_LFO_TREMOLO 0 | |
140 | #define SNDRV_LFO_VIBRATO 1 | |
141 | ||
142 | /* misc */ | |
143 | ||
144 | #define SNDRV_GF1_DMA_UNSIGNED 0x80 | |
145 | #define SNDRV_GF1_DMA_16BIT 0x40 | |
146 | #define SNDRV_GF1_DMA_IRQ 0x20 | |
147 | #define SNDRV_GF1_DMA_WIDTH16 0x04 | |
148 | #define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */ | |
149 | #define SNDRV_GF1_DMA_ENABLE 0x01 | |
150 | ||
151 | /* ramp ranges */ | |
152 | ||
153 | #define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x]) | |
154 | #define SNDRV_GF1_MIN_VOLUME 1800 | |
155 | #define SNDRV_GF1_MAX_VOLUME 4095 | |
156 | #define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4) | |
157 | #define SNDRV_GF1_MAX_OFFSET 255 | |
158 | #define SNDRV_GF1_MAX_TDEPTH 90 | |
159 | ||
160 | /* defines for memory manager */ | |
161 | ||
162 | #define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001 | |
163 | ||
164 | #define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001 | |
165 | #define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002 | |
166 | #define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003 | |
167 | #define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004 | |
168 | ||
169 | /* constants for interrupt handlers */ | |
170 | ||
171 | #define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000 | |
172 | #define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000 | |
173 | #define SNDRV_GF1_HANDLER_TIMER1 0x00040000 | |
174 | #define SNDRV_GF1_HANDLER_TIMER2 0x00080000 | |
175 | #define SNDRV_GF1_HANDLER_VOICE 0x00100000 | |
176 | #define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000 | |
177 | #define SNDRV_GF1_HANDLER_DMA_READ 0x00400000 | |
178 | #define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE) | |
179 | ||
180 | /* constants for DMA flags */ | |
181 | ||
182 | #define SNDRV_GF1_DMA_TRIGGER 1 | |
183 | ||
184 | /* --- */ | |
185 | ||
186 | struct _snd_gus_card; | |
187 | typedef struct _snd_gus_card snd_gus_card_t; | |
188 | ||
189 | /* GF1 specific structure */ | |
190 | ||
191 | typedef struct _snd_gf1_bank_info { | |
192 | unsigned int address; | |
193 | unsigned int size; | |
194 | } snd_gf1_bank_info_t; | |
195 | ||
196 | typedef struct _snd_gf1_mem_block { | |
197 | unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */ | |
198 | unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */ | |
199 | unsigned int share; /* share count */ | |
200 | unsigned int share_id[4]; /* share ID */ | |
201 | unsigned int ptr; | |
202 | unsigned int size; | |
203 | char *name; | |
204 | struct _snd_gf1_mem_block *next; | |
205 | struct _snd_gf1_mem_block *prev; | |
206 | } snd_gf1_mem_block_t; | |
207 | ||
208 | typedef struct _snd_gf1_mem { | |
209 | snd_gf1_bank_info_t banks_8[4]; | |
210 | snd_gf1_bank_info_t banks_16[4]; | |
211 | snd_gf1_mem_block_t *first; | |
212 | snd_gf1_mem_block_t *last; | |
213 | struct semaphore memory_mutex; | |
214 | } snd_gf1_mem_t; | |
215 | ||
216 | typedef struct snd_gf1_dma_block { | |
217 | void *buffer; /* buffer in computer's RAM */ | |
218 | unsigned long buf_addr; /* buffer address */ | |
219 | unsigned int addr; /* address in onboard memory */ | |
220 | unsigned int count; /* count in bytes */ | |
221 | unsigned int cmd; /* DMA command (format) */ | |
222 | void (*ack)(snd_gus_card_t * gus, void *private_data); | |
223 | void *private_data; | |
224 | struct snd_gf1_dma_block *next; | |
225 | } snd_gf1_dma_block_t; | |
226 | ||
227 | typedef struct { | |
228 | snd_midi_channel_set_t * chset; | |
229 | snd_gus_card_t * gus; | |
230 | int mode; /* operation mode */ | |
231 | int client; /* sequencer client number */ | |
232 | int port; /* sequencer port number */ | |
233 | unsigned int midi_has_voices: 1; | |
234 | } snd_gus_port_t; | |
235 | ||
236 | typedef struct _snd_gus_voice snd_gus_voice_t; | |
237 | ||
238 | typedef struct { | |
239 | void (*sample_start)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position); | |
240 | void (*sample_stop)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_stop_mode_t mode); | |
241 | void (*sample_freq)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_frequency_t freq); | |
242 | void (*sample_volume)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_ev_volume_t *volume); | |
243 | void (*sample_loop)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_ev_loop_t *loop); | |
244 | void (*sample_pos)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_position_t position); | |
245 | void (*sample_private1)(snd_gus_card_t *card, snd_gus_voice_t *voice, unsigned char *data); | |
246 | } snd_gus_sample_ops_t; | |
247 | ||
248 | #define SNDRV_GF1_VOICE_TYPE_PCM 0 | |
249 | #define SNDRV_GF1_VOICE_TYPE_SYNTH 1 | |
250 | #define SNDRV_GF1_VOICE_TYPE_MIDI 2 | |
251 | ||
252 | #define SNDRV_GF1_VFLG_RUNNING (1<<0) | |
253 | #define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1) | |
254 | #define SNDRV_GF1_VFLG_PAN (1<<2) | |
255 | ||
256 | typedef enum { | |
257 | VENV_BEFORE, | |
258 | VENV_ATTACK, | |
259 | VENV_SUSTAIN, | |
260 | VENV_RELEASE, | |
261 | VENV_DONE, | |
262 | VENV_VOLUME | |
263 | } snd_gus_volume_state_t; | |
264 | ||
265 | struct _snd_gus_voice { | |
266 | int number; | |
267 | unsigned int use: 1, | |
268 | pcm: 1, | |
269 | synth:1, | |
270 | midi: 1; | |
271 | unsigned int flags; | |
272 | unsigned char client; | |
273 | unsigned char port; | |
274 | unsigned char index; | |
275 | unsigned char pad; | |
276 | ||
277 | #ifdef CONFIG_SND_DEBUG | |
278 | unsigned int interrupt_stat_wave; | |
279 | unsigned int interrupt_stat_volume; | |
280 | #endif | |
281 | void (*handler_wave) (snd_gus_card_t * gus, snd_gus_voice_t * voice); | |
282 | void (*handler_volume) (snd_gus_card_t * gus, snd_gus_voice_t * voice); | |
283 | void (*handler_effect) (snd_gus_card_t * gus, snd_gus_voice_t * voice); | |
284 | void (*volume_change) (snd_gus_card_t * gus); | |
285 | ||
286 | snd_gus_sample_ops_t *sample_ops; | |
287 | ||
288 | snd_seq_instr_t instr; | |
289 | ||
290 | /* running status / registers */ | |
291 | ||
292 | snd_seq_ev_volume_t sample_volume; | |
293 | ||
294 | unsigned short fc_register; | |
295 | unsigned short fc_lfo; | |
296 | unsigned short gf1_volume; | |
297 | unsigned char control; | |
298 | unsigned char mode; | |
299 | unsigned char gf1_pan; | |
300 | unsigned char effect_accumulator; | |
301 | unsigned char volume_control; | |
302 | unsigned char venv_value_next; | |
303 | snd_gus_volume_state_t venv_state; | |
304 | snd_gus_volume_state_t venv_state_prev; | |
305 | unsigned short vlo; | |
306 | unsigned short vro; | |
307 | unsigned short gf1_effect_volume; | |
308 | ||
309 | /* --- */ | |
310 | ||
311 | void *private_data; | |
312 | void (*private_free)(snd_gus_voice_t *voice); | |
313 | }; | |
314 | ||
315 | struct _snd_gf1 { | |
316 | ||
317 | unsigned int enh_mode:1, /* enhanced mode (GFA1) */ | |
318 | hw_lfo:1, /* use hardware LFO */ | |
319 | sw_lfo:1, /* use software LFO */ | |
320 | effect:1; /* use effect voices */ | |
321 | ||
322 | unsigned long port; /* port of GF1 chip */ | |
323 | struct resource *res_port1; | |
324 | struct resource *res_port2; | |
325 | int irq; /* IRQ number */ | |
326 | int dma1; /* DMA1 number */ | |
327 | int dma2; /* DMA2 number */ | |
328 | unsigned int memory; /* GUS's DRAM size in bytes */ | |
329 | unsigned int rom_memory; /* GUS's ROM size in bytes */ | |
330 | unsigned int rom_present; /* bitmask */ | |
331 | unsigned int rom_banks; /* GUS's ROM banks */ | |
332 | ||
333 | snd_gf1_mem_t mem_alloc; | |
334 | ||
335 | /* registers */ | |
336 | unsigned short reg_page; | |
337 | unsigned short reg_regsel; | |
338 | unsigned short reg_data8; | |
339 | unsigned short reg_data16; | |
340 | unsigned short reg_irqstat; | |
341 | unsigned short reg_dram; | |
342 | unsigned short reg_timerctrl; | |
343 | unsigned short reg_timerdata; | |
344 | unsigned char ics_regs[6][2]; | |
345 | /* --------- */ | |
346 | ||
347 | unsigned char active_voices; /* active voices */ | |
348 | unsigned char active_voice; /* selected voice (GF1PAGE register) */ | |
349 | ||
350 | snd_gus_voice_t voices[32]; /* GF1 voices */ | |
351 | ||
352 | unsigned int default_voice_address; | |
353 | ||
354 | unsigned short playback_freq; /* GF1 playback (mixing) frequency */ | |
355 | unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */ | |
356 | unsigned char volume_ramp; | |
357 | unsigned char smooth_pan; | |
358 | unsigned char full_range_pan; | |
359 | unsigned char pad0; | |
360 | ||
361 | unsigned char *lfos; | |
362 | ||
363 | /* interrupt handlers */ | |
364 | ||
365 | void (*interrupt_handler_midi_out) (snd_gus_card_t * gus); | |
366 | void (*interrupt_handler_midi_in) (snd_gus_card_t * gus); | |
367 | void (*interrupt_handler_timer1) (snd_gus_card_t * gus); | |
368 | void (*interrupt_handler_timer2) (snd_gus_card_t * gus); | |
369 | void (*interrupt_handler_dma_write) (snd_gus_card_t * gus); | |
370 | void (*interrupt_handler_dma_read) (snd_gus_card_t * gus); | |
371 | ||
372 | #ifdef CONFIG_SND_DEBUG | |
373 | unsigned int interrupt_stat_midi_out; | |
374 | unsigned int interrupt_stat_midi_in; | |
375 | unsigned int interrupt_stat_timer1; | |
376 | unsigned int interrupt_stat_timer2; | |
377 | unsigned int interrupt_stat_dma_write; | |
378 | unsigned int interrupt_stat_dma_read; | |
379 | unsigned int interrupt_stat_voice_lost; | |
380 | #endif | |
381 | ||
382 | /* synthesizer */ | |
383 | ||
384 | int seq_client; | |
385 | snd_gus_port_t seq_ports[4]; | |
386 | snd_seq_kinstr_list_t *ilist; | |
387 | snd_iwffff_ops_t iwffff_ops; | |
388 | snd_gf1_ops_t gf1_ops; | |
389 | snd_simple_ops_t simple_ops; | |
390 | ||
391 | /* timer */ | |
392 | ||
393 | unsigned short timer_enabled; | |
394 | snd_timer_t *timer1; | |
395 | snd_timer_t *timer2; | |
396 | ||
397 | /* midi */ | |
398 | ||
399 | unsigned short uart_cmd; | |
400 | unsigned int uart_framing; | |
401 | unsigned int uart_overrun; | |
402 | ||
403 | /* dma operations */ | |
404 | ||
405 | unsigned int dma_flags; | |
406 | unsigned int dma_shared; | |
407 | snd_gf1_dma_block_t *dma_data_pcm; | |
408 | snd_gf1_dma_block_t *dma_data_pcm_last; | |
409 | snd_gf1_dma_block_t *dma_data_synth; | |
410 | snd_gf1_dma_block_t *dma_data_synth_last; | |
411 | void (*dma_ack)(snd_gus_card_t * gus, void *private_data); | |
412 | void *dma_private_data; | |
413 | ||
414 | /* pcm */ | |
415 | int pcm_channels; | |
416 | int pcm_alloc_voices; | |
417 | unsigned short pcm_volume_level_left; | |
418 | unsigned short pcm_volume_level_right; | |
419 | unsigned short pcm_volume_level_left1; | |
420 | unsigned short pcm_volume_level_right1; | |
421 | ||
422 | unsigned char pcm_rcntrl_reg; | |
423 | unsigned char pad_end; | |
424 | }; | |
425 | ||
426 | /* main structure for GUS card */ | |
427 | ||
428 | struct _snd_gus_card { | |
429 | snd_card_t *card; | |
430 | ||
431 | unsigned int | |
432 | initialized: 1, /* resources were initialized */ | |
433 | equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */ | |
434 | equal_dma:1, /* if dma channels are equal (not valid for daughter board) */ | |
435 | ics_flag:1, /* have we ICS mixer chip */ | |
436 | ics_flipped:1, /* ICS mixer have flipped some channels? */ | |
437 | codec_flag:1, /* have we CODEC chip? */ | |
438 | max_flag:1, /* have we GUS MAX card? */ | |
439 | max_ctrl_flag:1, /* have we original GUS MAX card? */ | |
440 | daughter_flag:1, /* have we daughter board? */ | |
441 | interwave:1, /* hey - we have InterWave card */ | |
442 | ess_flag:1, /* ESS chip found... GUS Extreme */ | |
443 | ace_flag:1, /* GUS ACE detected */ | |
444 | uart_enable:1; /* enable MIDI UART */ | |
445 | unsigned short revision; /* revision of chip */ | |
446 | unsigned short max_cntrl_val; /* GUS MAX control value */ | |
447 | unsigned short mix_cntrl_reg; /* mixer control register */ | |
448 | unsigned short joystick_dac; /* joystick DAC level */ | |
449 | int timer_dev; /* timer device */ | |
450 | ||
451 | struct _snd_gf1 gf1; /* gf1 specific variables */ | |
452 | snd_pcm_t *pcm; | |
453 | snd_pcm_substream_t *pcm_cap_substream; | |
454 | unsigned int c_dma_size; | |
455 | unsigned int c_period_size; | |
456 | unsigned int c_pos; | |
457 | ||
458 | snd_rawmidi_t *midi_uart; | |
459 | snd_rawmidi_substream_t *midi_substream_output; | |
460 | snd_rawmidi_substream_t *midi_substream_input; | |
461 | ||
462 | snd_seq_device_t *seq_dev; | |
463 | ||
464 | spinlock_t reg_lock; | |
465 | spinlock_t voice_alloc; | |
466 | spinlock_t active_voice_lock; | |
467 | spinlock_t event_lock; | |
468 | spinlock_t dma_lock; | |
469 | spinlock_t pcm_volume_level_lock; | |
470 | spinlock_t uart_cmd_lock; | |
471 | struct semaphore dma_mutex; | |
472 | struct semaphore register_mutex; | |
473 | }; | |
474 | ||
475 | /* I/O functions for GF1/InterWave chip - gus_io.c */ | |
476 | ||
477 | static inline void snd_gf1_select_voice(snd_gus_card_t * gus, int voice) | |
478 | { | |
479 | unsigned long flags; | |
480 | ||
481 | spin_lock_irqsave(&gus->active_voice_lock, flags); | |
482 | if (voice != gus->gf1.active_voice) { | |
483 | gus->gf1.active_voice = voice; | |
484 | outb(voice, GUSP(gus, GF1PAGE)); | |
485 | } | |
486 | spin_unlock_irqrestore(&gus->active_voice_lock, flags); | |
487 | } | |
488 | ||
489 | static inline void snd_gf1_uart_cmd(snd_gus_card_t * gus, unsigned char b) | |
490 | { | |
491 | outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL)); | |
492 | } | |
493 | ||
494 | static inline unsigned char snd_gf1_uart_stat(snd_gus_card_t * gus) | |
495 | { | |
496 | return inb(GUSP(gus, MIDISTAT)); | |
497 | } | |
498 | ||
499 | static inline void snd_gf1_uart_put(snd_gus_card_t * gus, unsigned char b) | |
500 | { | |
501 | outb(b, GUSP(gus, MIDIDATA)); | |
502 | } | |
503 | ||
504 | static inline unsigned char snd_gf1_uart_get(snd_gus_card_t * gus) | |
505 | { | |
506 | return inb(GUSP(gus, MIDIDATA)); | |
507 | } | |
508 | ||
509 | extern void snd_gf1_delay(snd_gus_card_t * gus); | |
510 | ||
511 | extern void snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg); | |
512 | ||
513 | extern void snd_gf1_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data); | |
514 | extern unsigned char snd_gf1_look8(snd_gus_card_t * gus, unsigned char reg); | |
515 | extern inline unsigned char snd_gf1_read8(snd_gus_card_t * gus, unsigned char reg) | |
516 | { | |
517 | return snd_gf1_look8(gus, reg | 0x80); | |
518 | } | |
519 | extern void snd_gf1_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data); | |
520 | extern unsigned short snd_gf1_look16(snd_gus_card_t * gus, unsigned char reg); | |
521 | extern inline unsigned short snd_gf1_read16(snd_gus_card_t * gus, unsigned char reg) | |
522 | { | |
523 | return snd_gf1_look16(gus, reg | 0x80); | |
524 | } | |
525 | extern void snd_gf1_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data); | |
526 | extern void snd_gf1_dram_addr(snd_gus_card_t * gus, unsigned int addr); | |
527 | extern void snd_gf1_poke(snd_gus_card_t * gus, unsigned int addr, unsigned char data); | |
528 | extern unsigned char snd_gf1_peek(snd_gus_card_t * gus, unsigned int addr); | |
529 | extern void snd_gf1_pokew(snd_gus_card_t * gus, unsigned int addr, unsigned short data); | |
530 | extern unsigned short snd_gf1_peekw(snd_gus_card_t * gus, unsigned int addr); | |
531 | extern void snd_gf1_dram_setmem(snd_gus_card_t * gus, unsigned int addr, unsigned short value, unsigned int count); | |
532 | extern void snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit); | |
533 | extern unsigned int snd_gf1_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit); | |
534 | extern void snd_gf1_i_ctrl_stop(snd_gus_card_t * gus, unsigned char reg); | |
535 | extern void snd_gf1_i_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data); | |
536 | extern unsigned char snd_gf1_i_look8(snd_gus_card_t * gus, unsigned char reg); | |
537 | extern void snd_gf1_i_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data); | |
538 | extern inline unsigned char snd_gf1_i_read8(snd_gus_card_t * gus, unsigned char reg) | |
539 | { | |
540 | return snd_gf1_i_look8(gus, reg | 0x80); | |
541 | } | |
542 | extern unsigned short snd_gf1_i_look16(snd_gus_card_t * gus, unsigned char reg); | |
543 | extern inline unsigned short snd_gf1_i_read16(snd_gus_card_t * gus, unsigned char reg) | |
544 | { | |
545 | return snd_gf1_i_look16(gus, reg | 0x80); | |
546 | } | |
547 | extern void snd_gf1_i_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data); | |
548 | extern void snd_gf1_i_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit); | |
549 | extern unsigned int snd_gf1_i_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit); | |
550 | ||
551 | extern void snd_gf1_select_active_voices(snd_gus_card_t * gus); | |
552 | ||
553 | /* gus_lfo.c */ | |
554 | ||
555 | struct _SND_IW_LFO_PROGRAM { | |
556 | unsigned short freq_and_control; | |
557 | unsigned char depth_final; | |
558 | unsigned char depth_inc; | |
559 | unsigned short twave; | |
560 | unsigned short depth; | |
561 | }; | |
562 | ||
563 | #if 0 | |
564 | extern irqreturn_t snd_gf1_lfo_effect_interrupt(snd_gus_card_t * gus, snd_gf1_voice_t * voice); | |
565 | #endif | |
566 | extern void snd_gf1_lfo_init(snd_gus_card_t * gus); | |
567 | extern void snd_gf1_lfo_done(snd_gus_card_t * gus); | |
568 | extern void snd_gf1_lfo_program(snd_gus_card_t * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program); | |
569 | extern void snd_gf1_lfo_enable(snd_gus_card_t * gus, int voice, int lfo_type); | |
570 | extern void snd_gf1_lfo_disable(snd_gus_card_t * gus, int voice, int lfo_type); | |
571 | extern void snd_gf1_lfo_change_freq(snd_gus_card_t * gus, int voice, int lfo_type, int freq); | |
572 | extern void snd_gf1_lfo_change_depth(snd_gus_card_t * gus, int voice, int lfo_type, int depth); | |
573 | extern 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); | |
574 | extern void snd_gf1_lfo_shutdown(snd_gus_card_t * gus, int voice, int lfo_type); | |
575 | #if 0 | |
576 | extern void snd_gf1_lfo_command(snd_gus_card_t * gus, int voice, unsigned char *command); | |
577 | #endif | |
578 | ||
579 | /* gus_mem.c */ | |
580 | ||
581 | void snd_gf1_mem_lock(snd_gf1_mem_t * alloc, int xup); | |
582 | int snd_gf1_mem_xfree(snd_gf1_mem_t * alloc, snd_gf1_mem_block_t * block); | |
583 | snd_gf1_mem_block_t *snd_gf1_mem_look(snd_gf1_mem_t * alloc, | |
584 | unsigned int address); | |
585 | snd_gf1_mem_block_t *snd_gf1_mem_share(snd_gf1_mem_t * alloc, | |
586 | unsigned int *share_id); | |
587 | snd_gf1_mem_block_t *snd_gf1_mem_alloc(snd_gf1_mem_t * alloc, int owner, | |
588 | char *name, int size, int w_16, | |
589 | int align, unsigned int *share_id); | |
590 | int snd_gf1_mem_free(snd_gf1_mem_t * alloc, unsigned int address); | |
591 | int snd_gf1_mem_free_owner(snd_gf1_mem_t * alloc, int owner); | |
592 | int snd_gf1_mem_init(snd_gus_card_t * gus); | |
593 | int snd_gf1_mem_done(snd_gus_card_t * gus); | |
594 | ||
595 | /* gus_mem_proc.c */ | |
596 | ||
597 | int snd_gf1_mem_proc_init(snd_gus_card_t * gus); | |
598 | ||
599 | /* gus_dma.c */ | |
600 | ||
601 | int snd_gf1_dma_init(snd_gus_card_t * gus); | |
602 | int snd_gf1_dma_done(snd_gus_card_t * gus); | |
603 | int snd_gf1_dma_transfer_block(snd_gus_card_t * gus, | |
604 | snd_gf1_dma_block_t * block, | |
605 | int atomic, | |
606 | int synth); | |
607 | ||
608 | /* gus_volume.c */ | |
609 | ||
610 | unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol); | |
611 | unsigned int snd_gf1_gvol_to_lvol_raw(unsigned short gf1_vol); | |
612 | unsigned int snd_gf1_calc_ramp_rate(snd_gus_card_t * gus, | |
613 | unsigned short start, | |
614 | unsigned short end, | |
615 | unsigned int us); | |
616 | unsigned short snd_gf1_translate_freq(snd_gus_card_t * gus, unsigned int freq2); | |
617 | unsigned short snd_gf1_compute_pitchbend(unsigned short pitchbend, unsigned short sens); | |
618 | unsigned short snd_gf1_compute_freq(unsigned int freq, | |
619 | unsigned int rate, | |
620 | unsigned short mix_rate); | |
621 | ||
622 | /* gus_reset.c */ | |
623 | ||
624 | void snd_gf1_set_default_handlers(snd_gus_card_t * gus, unsigned int what); | |
625 | void snd_gf1_smart_stop_voice(snd_gus_card_t * gus, unsigned short voice); | |
626 | void snd_gf1_stop_voice(snd_gus_card_t * gus, unsigned short voice); | |
627 | void snd_gf1_clear_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max); | |
628 | void snd_gf1_stop_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max); | |
629 | snd_gus_voice_t *snd_gf1_alloc_voice(snd_gus_card_t * gus, int type, int client, int port); | |
630 | void snd_gf1_free_voice(snd_gus_card_t * gus, snd_gus_voice_t *voice); | |
631 | int snd_gf1_start(snd_gus_card_t * gus); | |
632 | int snd_gf1_stop(snd_gus_card_t * gus); | |
633 | ||
634 | /* gus_mixer.c */ | |
635 | ||
636 | int snd_gf1_new_mixer(snd_gus_card_t * gus); | |
637 | ||
638 | /* gus_pcm.c */ | |
639 | ||
640 | int snd_gf1_pcm_new(snd_gus_card_t * gus, int pcm_dev, int control_index, snd_pcm_t ** rpcm); | |
641 | ||
642 | #ifdef CONFIG_SND_DEBUG | |
643 | extern void snd_gf1_print_voice_registers(snd_gus_card_t * gus); | |
644 | extern void snd_gf1_print_global_registers(snd_gus_card_t * gus); | |
645 | extern void snd_gf1_print_setup_registers(snd_gus_card_t * gus); | |
646 | extern void snd_gf1_peek_print_block(snd_gus_card_t * gus, unsigned int addr, int count, int w_16bit); | |
647 | #endif | |
648 | ||
649 | /* gus.c */ | |
650 | ||
651 | int snd_gus_use_inc(snd_gus_card_t * gus); | |
652 | void snd_gus_use_dec(snd_gus_card_t * gus); | |
653 | int snd_gus_create(snd_card_t * card, | |
654 | unsigned long port, | |
655 | int irq, int dma1, int dma2, | |
656 | int timer_dev, | |
657 | int voices, | |
658 | int pcm_channels, | |
659 | int effect, | |
660 | snd_gus_card_t ** rgus); | |
661 | int snd_gus_initialize(snd_gus_card_t * gus); | |
662 | ||
663 | /* gus_irq.c */ | |
664 | ||
665 | irqreturn_t snd_gus_interrupt(int irq, void *dev_id, struct pt_regs *regs); | |
666 | #ifdef CONFIG_SND_DEBUG | |
667 | void snd_gus_irq_profile_init(snd_gus_card_t *gus); | |
668 | #endif | |
669 | ||
670 | /* gus_uart.c */ | |
671 | ||
672 | int snd_gf1_rawmidi_new(snd_gus_card_t * gus, int device, snd_rawmidi_t **rrawmidi); | |
673 | ||
674 | #if 0 | |
675 | extern void snd_engine_instrument_register(unsigned short mode, | |
676 | struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds, | |
677 | struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds, | |
678 | struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds); | |
679 | extern int snd_engine_instrument_register_ask(unsigned short mode); | |
680 | #endif | |
681 | ||
682 | /* gus_dram.c */ | |
683 | int snd_gus_dram_write(snd_gus_card_t *gus, char __user *ptr, | |
684 | unsigned int addr, unsigned int size); | |
685 | int snd_gus_dram_read(snd_gus_card_t *gus, char __user *ptr, | |
686 | unsigned int addr, unsigned int size, int rom); | |
687 | ||
688 | #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE) | |
689 | ||
690 | /* gus_sample.c */ | |
691 | void snd_gus_sample_event(snd_seq_event_t *ev, snd_gus_port_t *p); | |
692 | ||
693 | /* gus_simple.c */ | |
694 | void snd_gf1_simple_init(snd_gus_voice_t *voice); | |
695 | ||
696 | /* gus_instr.c */ | |
697 | int snd_gus_iwffff_put_sample(void *private_data, iwffff_wave_t *wave, | |
698 | char __user *data, long len, int atomic); | |
699 | int snd_gus_iwffff_get_sample(void *private_data, iwffff_wave_t *wave, | |
700 | char __user *data, long len, int atomic); | |
701 | int snd_gus_iwffff_remove_sample(void *private_data, iwffff_wave_t *wave, | |
702 | int atomic); | |
703 | int snd_gus_gf1_put_sample(void *private_data, gf1_wave_t *wave, | |
704 | char __user *data, long len, int atomic); | |
705 | int snd_gus_gf1_get_sample(void *private_data, gf1_wave_t *wave, | |
706 | char __user *data, long len, int atomic); | |
707 | int snd_gus_gf1_remove_sample(void *private_data, gf1_wave_t *wave, | |
708 | int atomic); | |
709 | int snd_gus_simple_put_sample(void *private_data, simple_instrument_t *instr, | |
710 | char __user *data, long len, int atomic); | |
711 | int snd_gus_simple_get_sample(void *private_data, simple_instrument_t *instr, | |
712 | char __user *data, long len, int atomic); | |
713 | int snd_gus_simple_remove_sample(void *private_data, simple_instrument_t *instr, | |
714 | int atomic); | |
715 | ||
716 | #endif /* CONFIG_SND_SEQUENCER */ | |
717 | ||
718 | #endif /* __SOUND_GUS_H */ |