blob: 9752243241e58b3524590a4225e6f53255ae0cbb [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __SOUND_TRIDENT_H
2#define __SOUND_TRIDENT_H
3
4/*
5 * audio@tridentmicro.com
6 * Fri Feb 19 15:55:28 MST 1999
7 * Definitions for Trident 4DWave DX/NX chips
8 *
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26#include "pcm.h"
27#include "mpu401.h"
28#include "ac97_codec.h"
29#include "seq_midi_emul.h"
30#include "seq_device.h"
31#include "util_mem.h"
32//#include "ainstr_iw.h"
33//#include "ainstr_gf1.h"
34#include "ainstr_simple.h"
35
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#define TRIDENT_DEVICE_ID_DX ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_DX)
37#define TRIDENT_DEVICE_ID_NX ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_NX)
38#define TRIDENT_DEVICE_ID_SI7018 ((PCI_VENDOR_ID_SI<<16)|PCI_DEVICE_ID_SI_7018)
39
40#define SNDRV_SEQ_DEV_ID_TRIDENT "trident-synth"
41
42#define SNDRV_TRIDENT_VOICE_TYPE_PCM 0
43#define SNDRV_TRIDENT_VOICE_TYPE_SYNTH 1
44#define SNDRV_TRIDENT_VOICE_TYPE_MIDI 2
45
46#define SNDRV_TRIDENT_VFLG_RUNNING (1<<0)
47
48/* TLB code constants */
49#define SNDRV_TRIDENT_PAGE_SIZE 4096
50#define SNDRV_TRIDENT_PAGE_SHIFT 12
51#define SNDRV_TRIDENT_PAGE_MASK ((1<<SNDRV_TRIDENT_PAGE_SHIFT)-1)
52#define SNDRV_TRIDENT_MAX_PAGES 4096
53
54/*
55 * Direct registers
56 */
57
58#define TRID_REG(trident, x) ((trident)->port + (x))
59
60#define ID_4DWAVE_DX 0x2000
61#define ID_4DWAVE_NX 0x2001
62
63/* Bank definitions */
64
65#define T4D_BANK_A 0
66#define T4D_BANK_B 1
67#define T4D_NUM_BANKS 2
68
69/* Register definitions */
70
71/* Global registers */
72
73enum global_control_bits {
74 CHANNEL_IDX = 0x0000003f,
75 OVERRUN_IE = 0x00000400, /* interrupt enable: capture overrun */
76 UNDERRUN_IE = 0x00000800, /* interrupt enable: playback underrun */
77 ENDLP_IE = 0x00001000, /* interrupt enable: end of buffer */
78 MIDLP_IE = 0x00002000, /* interrupt enable: middle buffer */
79 ETOG_IE = 0x00004000, /* interrupt enable: envelope toggling */
80 EDROP_IE = 0x00008000, /* interrupt enable: envelope drop */
81 BANK_B_EN = 0x00010000, /* SiS: enable bank B (64 channels) */
82 PCMIN_B_MIX = 0x00020000, /* SiS: PCM IN B mixing enable */
83 I2S_OUT_ASSIGN = 0x00040000, /* SiS: I2S Out contains surround PCM */
84 SPDIF_OUT_ASSIGN= 0x00080000, /* SiS: 0=S/PDIF L/R | 1=PCM Out FIFO */
85 MAIN_OUT_ASSIGN = 0x00100000, /* SiS: 0=PCM Out FIFO | 1=MMC Out buffer */
86};
87
88enum miscint_bits {
89 PB_UNDERRUN_IRQ = 0x00000001, REC_OVERRUN_IRQ = 0x00000002,
90 SB_IRQ = 0x00000004, MPU401_IRQ = 0x00000008,
91 OPL3_IRQ = 0x00000010, ADDRESS_IRQ = 0x00000020,
92 ENVELOPE_IRQ = 0x00000040, PB_UNDERRUN = 0x00000100,
93 REC_OVERRUN = 0x00000200, MIXER_UNDERFLOW = 0x00000400,
94 MIXER_OVERFLOW = 0x00000800, NX_SB_IRQ_DISABLE = 0x00001000,
95 ST_TARGET_REACHED = 0x00008000,
96 PB_24K_MODE = 0x00010000, ST_IRQ_EN = 0x00800000,
97 ACGPIO_IRQ = 0x01000000
98};
99
100/* T2 legacy dma control registers. */
101#define LEGACY_DMAR0 0x00 // ADR0
102#define LEGACY_DMAR4 0x04 // CNT0
103#define LEGACY_DMAR6 0x06 // CNT0 - High bits
104#define LEGACY_DMAR11 0x0b // MOD
105#define LEGACY_DMAR15 0x0f // MMR
106
107#define T4D_START_A 0x80
108#define T4D_STOP_A 0x84
109#define T4D_DLY_A 0x88
110#define T4D_SIGN_CSO_A 0x8c
111#define T4D_CSPF_A 0x90
112#define T4D_CSPF_B 0xbc
113#define T4D_CEBC_A 0x94
114#define T4D_AINT_A 0x98
115#define T4D_AINTEN_A 0x9c
116#define T4D_LFO_GC_CIR 0xa0
117#define T4D_MUSICVOL_WAVEVOL 0xa8
118#define T4D_SBDELTA_DELTA_R 0xac
119#define T4D_MISCINT 0xb0
120#define T4D_START_B 0xb4
121#define T4D_STOP_B 0xb8
122#define T4D_SBBL_SBCL 0xc0
123#define T4D_SBCTRL_SBE2R_SBDD 0xc4
124#define T4D_STIMER 0xc8
125#define T4D_AINT_B 0xd8
126#define T4D_AINTEN_B 0xdc
127#define T4D_RCI 0x70
128
129/* MPU-401 UART */
130#define T4D_MPU401_BASE 0x20
131#define T4D_MPUR0 0x20
132#define T4D_MPUR1 0x21
133#define T4D_MPUR2 0x22
134#define T4D_MPUR3 0x23
135
136/* S/PDIF Registers */
137#define NX_SPCTRL_SPCSO 0x24
138#define NX_SPLBA 0x28
139#define NX_SPESO 0x2c
140#define NX_SPCSTATUS 0x64
141
142/* Joystick */
143#define GAMEPORT_GCR 0x30
144#define GAMEPORT_MODE_ADC 0x80
145#define GAMEPORT_LEGACY 0x31
146#define GAMEPORT_AXES 0x34
147
148/* NX Specific Registers */
149#define NX_TLBC 0x6c
150
151/* Channel Registers */
152
153#define CH_START 0xe0
154
155#define CH_DX_CSO_ALPHA_FMS 0xe0
156#define CH_DX_ESO_DELTA 0xe8
157#define CH_DX_FMC_RVOL_CVOL 0xec
158
159#define CH_NX_DELTA_CSO 0xe0
160#define CH_NX_DELTA_ESO 0xe8
161#define CH_NX_ALPHA_FMS_FMC_RVOL_CVOL 0xec
162
163#define CH_LBA 0xe4
164#define CH_GVSEL_PAN_VOL_CTRL_EC 0xf0
165#define CH_EBUF1 0xf4
166#define CH_EBUF2 0xf8
167
168/* AC-97 Registers */
169
170#define DX_ACR0_AC97_W 0x40
171#define DX_ACR1_AC97_R 0x44
172#define DX_ACR2_AC97_COM_STAT 0x48
173
174#define NX_ACR0_AC97_COM_STAT 0x40
175#define NX_ACR1_AC97_W 0x44
176#define NX_ACR2_AC97_R_PRIMARY 0x48
177#define NX_ACR3_AC97_R_SECONDARY 0x4c
178
179#define SI_AC97_WRITE 0x40
180#define SI_AC97_READ 0x44
181#define SI_SERIAL_INTF_CTRL 0x48
182#define SI_AC97_GPIO 0x4c
183#define SI_ASR0 0x50
184#define SI_SPDIF_CS 0x70
185#define SI_GPIO 0x7c
186
187enum trident_nx_ac97_bits {
188 /* ACR1-3 */
189 NX_AC97_BUSY_WRITE = 0x0800,
190 NX_AC97_BUSY_READ = 0x0800,
191 NX_AC97_BUSY_DATA = 0x0400,
192 NX_AC97_WRITE_SECONDARY = 0x0100,
193 /* ACR0 */
194 NX_AC97_SECONDARY_READY = 0x0040,
195 NX_AC97_SECONDARY_RECORD = 0x0020,
196 NX_AC97_SURROUND_OUTPUT = 0x0010,
197 NX_AC97_PRIMARY_READY = 0x0008,
198 NX_AC97_PRIMARY_RECORD = 0x0004,
199 NX_AC97_PCM_OUTPUT = 0x0002,
200 NX_AC97_WARM_RESET = 0x0001
201};
202
203enum trident_dx_ac97_bits {
204 DX_AC97_BUSY_WRITE = 0x8000,
205 DX_AC97_BUSY_READ = 0x8000,
206 DX_AC97_READY = 0x0010,
207 DX_AC97_RECORD = 0x0008,
208 DX_AC97_PLAYBACK = 0x0002
209};
210
211enum sis7018_ac97_bits {
212 SI_AC97_BUSY_WRITE = 0x00008000,
213 SI_AC97_AUDIO_BUSY = 0x00004000,
214 SI_AC97_MODEM_BUSY = 0x00002000,
215 SI_AC97_BUSY_READ = 0x00008000,
216 SI_AC97_SECONDARY = 0x00000080,
217};
218
219enum serial_intf_ctrl_bits {
220 WARM_RESET = 0x00000001,
221 COLD_RESET = 0x00000002,
222 I2S_CLOCK = 0x00000004,
223 PCM_SEC_AC97 = 0x00000008,
224 AC97_DBL_RATE = 0x00000010,
225 SPDIF_EN = 0x00000020,
226 I2S_OUTPUT_EN = 0x00000040,
227 I2S_INPUT_EN = 0x00000080,
228 PCMIN = 0x00000100,
229 LINE1IN = 0x00000200,
230 MICIN = 0x00000400,
231 LINE2IN = 0x00000800,
232 HEAD_SET_IN = 0x00001000,
233 GPIOIN = 0x00002000,
234 /* 7018 spec says id = 01 but the demo board routed to 10
235 SECONDARY_ID= 0x00004000, */
236 SECONDARY_ID = 0x00004000,
237 PCMOUT = 0x00010000,
238 SURROUT = 0x00020000,
239 CENTEROUT = 0x00040000,
240 LFEOUT = 0x00080000,
241 LINE1OUT = 0x00100000,
242 LINE2OUT = 0x00200000,
243 GPIOOUT = 0x00400000,
244 SI_AC97_PRIMARY_READY = 0x01000000,
245 SI_AC97_SECONDARY_READY = 0x02000000,
246 SI_AC97_POWERDOWN = 0x04000000,
247};
248
249/* PCM defaults */
250
251#define T4D_DEFAULT_PCM_VOL 10 /* 0 - 255 */
252#define T4D_DEFAULT_PCM_PAN 0 /* 0 - 127 */
253#define T4D_DEFAULT_PCM_RVOL 127 /* 0 - 127 */
254#define T4D_DEFAULT_PCM_CVOL 127 /* 0 - 127 */
255
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100256struct snd_trident;
257struct snd_trident_voice;
258struct snd_trident_pcm_mixer;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100260struct snd_trident_sample_ops {
261 void (*sample_start)(struct snd_trident *gus, struct snd_trident_voice *voice, snd_seq_position_t position);
262 void (*sample_stop)(struct snd_trident *gus, struct snd_trident_voice *voice, int mode);
263 void (*sample_freq)(struct snd_trident *gus, struct snd_trident_voice *voice, snd_seq_frequency_t freq);
264 void (*sample_volume)(struct snd_trident *gus, struct snd_trident_voice *voice, struct snd_seq_ev_volume *volume);
265 void (*sample_loop)(struct snd_trident *card, struct snd_trident_voice *voice, struct snd_seq_ev_loop *loop);
266 void (*sample_pos)(struct snd_trident *card, struct snd_trident_voice *voice, snd_seq_position_t position);
267 void (*sample_private1)(struct snd_trident *card, struct snd_trident_voice *voice, unsigned char *data);
268};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100270struct snd_trident_port {
271 struct snd_midi_channel_set * chset;
272 struct snd_trident * trident;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273 int mode; /* operation mode */
274 int client; /* sequencer client number */
275 int port; /* sequencer port number */
276 unsigned int midi_has_voices: 1;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100277};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100279struct snd_trident_memblk_arg {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280 short first_page, last_page;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100281};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100283struct snd_trident_tlb {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700284 unsigned int * entries; /* 16k-aligned TLB table */
285 dma_addr_t entries_dmaaddr; /* 16k-aligned PCI address to TLB table */
286 unsigned long * shadow_entries; /* shadow entries with virtual addresses */
287 struct snd_dma_buffer buffer;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100288 struct snd_util_memhdr * memhdr; /* page allocation list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289 struct snd_dma_buffer silent_page;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100290};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100292struct snd_trident_voice {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293 unsigned int number;
294 unsigned int use: 1,
295 pcm: 1,
296 synth:1,
297 midi: 1;
298 unsigned int flags;
299 unsigned char client;
300 unsigned char port;
301 unsigned char index;
302
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100303 struct snd_seq_instr instr;
304 struct snd_trident_sample_ops *sample_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305
306 /* channel parameters */
307 unsigned int CSO; /* 24 bits (16 on DX) */
308 unsigned int ESO; /* 24 bits (16 on DX) */
309 unsigned int LBA; /* 30 bits */
310 unsigned short EC; /* 12 bits */
311 unsigned short Alpha; /* 12 bits */
312 unsigned short Delta; /* 16 bits */
313 unsigned short Attribute; /* 16 bits - SiS 7018 */
314 unsigned short Vol; /* 12 bits (6.6) */
315 unsigned char Pan; /* 7 bits (1.4.2) */
316 unsigned char GVSel; /* 1 bit */
317 unsigned char RVol; /* 7 bits (5.2) */
318 unsigned char CVol; /* 7 bits (5.2) */
319 unsigned char FMC; /* 2 bits */
320 unsigned char CTRL; /* 4 bits */
321 unsigned char FMS; /* 4 bits */
322 unsigned char LFO; /* 8 bits */
323
324 unsigned int negCSO; /* nonzero - use negative CSO */
325
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100326 struct snd_util_memblk *memblk; /* memory block if TLB enabled */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327
328 /* PCM data */
329
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100330 struct snd_trident *trident;
331 struct snd_pcm_substream *substream;
332 struct snd_trident_voice *extra; /* extra PCM voice (acts as interrupt generator) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 unsigned int running: 1,
334 capture: 1,
335 spdif: 1,
336 foldback: 1,
337 isync: 1,
338 isync2: 1,
339 isync3: 1;
340 int foldback_chan; /* foldback subdevice number */
341 unsigned int stimer; /* global sample timer (to detect spurious interrupts) */
342 unsigned int spurious_threshold; /* spurious threshold */
343 unsigned int isync_mark;
344 unsigned int isync_max;
345 unsigned int isync_ESO;
346
347 /* --- */
348
349 void *private_data;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100350 void (*private_free)(struct snd_trident_voice *voice);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351};
352
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100353struct snd_4dwave {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354 int seq_client;
355
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100356 struct snd_trident_port seq_ports[4];
357 struct snd_simple_ops simple_ops;
358 struct snd_seq_kinstr_list *ilist;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100360 struct snd_trident_voice voices[64];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361
362 int ChanSynthCount; /* number of allocated synth channels */
363 int max_size; /* maximum synth memory size in bytes */
364 int current_size; /* current allocated synth mem in bytes */
365};
366
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100367struct snd_trident_pcm_mixer {
368 struct snd_trident_voice *voice; /* active voice */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369 unsigned short vol; /* front volume */
370 unsigned char pan; /* pan control */
371 unsigned char rvol; /* rear volume */
372 unsigned char cvol; /* center volume */
373 unsigned char pad;
374};
375
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100376struct snd_trident {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 int irq;
378
379 unsigned int device; /* device ID */
380
381 unsigned char bDMAStart;
382
383 unsigned long port;
384 unsigned long midi_port;
385
386 unsigned int spurious_irq_count;
387 unsigned int spurious_irq_max_delta;
388
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100389 struct snd_trident_tlb tlb; /* TLB entries for NX cards */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390
391 unsigned char spdif_ctrl;
392 unsigned char spdif_pcm_ctrl;
393 unsigned int spdif_bits;
394 unsigned int spdif_pcm_bits;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100395 struct snd_kcontrol *spdif_pcm_ctl; /* S/PDIF settings */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396 unsigned int ac97_ctrl;
397
398 unsigned int ChanMap[2]; /* allocation map for hardware channels */
399
400 int ChanPCM; /* max number of PCM channels */
401 int ChanPCMcnt; /* actual number of PCM channels */
402
403 unsigned int ac97_detect: 1; /* 1 = AC97 in detection phase */
404 unsigned int in_suspend: 1; /* 1 during suspend/resume */
405
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100406 struct snd_4dwave synth; /* synth specific variables */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700407
408 spinlock_t event_lock;
409 spinlock_t voice_alloc;
410
411 struct snd_dma_device dma_dev;
412
413 struct pci_dev *pci;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100414 struct snd_card *card;
415 struct snd_pcm *pcm; /* ADC/DAC PCM */
416 struct snd_pcm *foldback; /* Foldback PCM */
417 struct snd_pcm *spdif; /* SPDIF PCM */
418 struct snd_rawmidi *rmidi;
419 struct snd_seq_device *seq_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100421 struct snd_ac97_bus *ac97_bus;
422 struct snd_ac97 *ac97;
423 struct snd_ac97 *ac97_sec;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424
425 unsigned int musicvol_wavevol;
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100426 struct snd_trident_pcm_mixer pcm_mixer[32];
427 struct snd_kcontrol *ctl_vol; /* front volume */
428 struct snd_kcontrol *ctl_pan; /* pan */
429 struct snd_kcontrol *ctl_rvol; /* rear volume */
430 struct snd_kcontrol *ctl_cvol; /* center volume */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431
432 spinlock_t reg_lock;
433
434 struct gameport *gameport;
435};
436
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100437int snd_trident_create(struct snd_card *card,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438 struct pci_dev *pci,
439 int pcm_streams,
440 int pcm_spdif_device,
441 int max_wavetable_size,
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100442 struct snd_trident ** rtrident);
443int snd_trident_create_gameport(struct snd_trident *trident);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700444
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100445int snd_trident_pcm(struct snd_trident * trident, int device, struct snd_pcm **rpcm);
446int snd_trident_foldback_pcm(struct snd_trident * trident, int device, struct snd_pcm **rpcm);
447int snd_trident_spdif_pcm(struct snd_trident * trident, int device, struct snd_pcm **rpcm);
448int snd_trident_attach_synthesizer(struct snd_trident * trident);
449struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type,
450 int client, int port);
451void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice);
452void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice);
453void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice);
454void snd_trident_write_voice_regs(struct snd_trident * trident, struct snd_trident_voice *voice);
Takashi Iwaifb0700b2005-11-17 16:09:25 +0100455int snd_trident_suspend(struct pci_dev *pci, pm_message_t state);
456int snd_trident_resume(struct pci_dev *pci);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457
458/* TLB memory allocation */
Takashi Iwaibee1a5b2005-11-17 14:53:15 +0100459struct snd_util_memblk *snd_trident_alloc_pages(struct snd_trident *trident,
460 struct snd_pcm_substream *substream);
461int snd_trident_free_pages(struct snd_trident *trident, struct snd_util_memblk *blk);
462struct snd_util_memblk *snd_trident_synth_alloc(struct snd_trident *trident, unsigned int size);
463int snd_trident_synth_free(struct snd_trident *trident, struct snd_util_memblk *blk);
464int snd_trident_synth_copy_from_user(struct snd_trident *trident, struct snd_util_memblk *blk,
465 int offset, const char __user *data, int size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700466
467#endif /* __SOUND_TRIDENT_H */