Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Routines for Gravis UltraSound soundcards | |
c1017a4c | 3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
4 | * |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
1da177e4 LT |
22 | #include <linux/init.h> |
23 | #include <linux/interrupt.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/ioport.h> | |
da155d5b | 27 | #include <linux/module.h> |
1da177e4 LT |
28 | #include <sound/core.h> |
29 | #include <sound/gus.h> | |
30 | #include <sound/control.h> | |
31 | ||
32 | #include <asm/dma.h> | |
33 | ||
c1017a4c | 34 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
1da177e4 LT |
35 | MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards"); |
36 | MODULE_LICENSE("GPL"); | |
37 | ||
5e2da206 | 38 | static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches); |
1da177e4 | 39 | |
5e2da206 | 40 | int snd_gus_use_inc(struct snd_gus_card * gus) |
1da177e4 LT |
41 | { |
42 | if (!try_module_get(gus->card->module)) | |
43 | return 0; | |
44 | return 1; | |
45 | } | |
46 | ||
5e2da206 | 47 | void snd_gus_use_dec(struct snd_gus_card * gus) |
1da177e4 LT |
48 | { |
49 | module_put(gus->card->module); | |
50 | } | |
51 | ||
5e2da206 | 52 | static int snd_gus_joystick_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
53 | { |
54 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
55 | uinfo->count = 1; | |
56 | uinfo->value.integer.min = 0; | |
57 | uinfo->value.integer.max = 31; | |
58 | return 0; | |
59 | } | |
60 | ||
5e2da206 | 61 | static int snd_gus_joystick_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 62 | { |
5e2da206 | 63 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
64 | |
65 | ucontrol->value.integer.value[0] = gus->joystick_dac & 31; | |
66 | return 0; | |
67 | } | |
68 | ||
5e2da206 | 69 | static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 70 | { |
5e2da206 | 71 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
72 | unsigned long flags; |
73 | int change; | |
74 | unsigned char nval; | |
75 | ||
76 | nval = ucontrol->value.integer.value[0] & 31; | |
77 | spin_lock_irqsave(&gus->reg_lock, flags); | |
78 | change = gus->joystick_dac != nval; | |
79 | gus->joystick_dac = nval; | |
80 | snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac); | |
81 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
82 | return change; | |
83 | } | |
84 | ||
5e2da206 | 85 | static struct snd_kcontrol_new snd_gus_joystick_control = { |
1da177e4 LT |
86 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
87 | .name = "Joystick Speed", | |
88 | .info = snd_gus_joystick_info, | |
89 | .get = snd_gus_joystick_get, | |
90 | .put = snd_gus_joystick_put | |
91 | }; | |
92 | ||
5e2da206 | 93 | static void snd_gus_init_control(struct snd_gus_card *gus) |
1da177e4 LT |
94 | { |
95 | if (!gus->ace_flag) | |
96 | snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus)); | |
97 | } | |
98 | ||
99 | /* | |
100 | * | |
101 | */ | |
102 | ||
5e2da206 | 103 | static int snd_gus_free(struct snd_gus_card *gus) |
1da177e4 LT |
104 | { |
105 | if (gus->gf1.res_port2 == NULL) | |
106 | goto __hw_end; | |
1da177e4 LT |
107 | snd_gf1_stop(gus); |
108 | snd_gus_init_dma_irq(gus, 0); | |
109 | __hw_end: | |
b1d5776d TI |
110 | release_and_free_resource(gus->gf1.res_port1); |
111 | release_and_free_resource(gus->gf1.res_port2); | |
1da177e4 LT |
112 | if (gus->gf1.irq >= 0) |
113 | free_irq(gus->gf1.irq, (void *) gus); | |
114 | if (gus->gf1.dma1 >= 0) { | |
115 | disable_dma(gus->gf1.dma1); | |
116 | free_dma(gus->gf1.dma1); | |
117 | } | |
118 | if (!gus->equal_dma && gus->gf1.dma2 >= 0) { | |
119 | disable_dma(gus->gf1.dma2); | |
120 | free_dma(gus->gf1.dma2); | |
121 | } | |
122 | kfree(gus); | |
123 | return 0; | |
124 | } | |
125 | ||
5e2da206 | 126 | static int snd_gus_dev_free(struct snd_device *device) |
1da177e4 | 127 | { |
5e2da206 | 128 | struct snd_gus_card *gus = device->device_data; |
1da177e4 LT |
129 | return snd_gus_free(gus); |
130 | } | |
131 | ||
5e2da206 | 132 | int snd_gus_create(struct snd_card *card, |
1da177e4 LT |
133 | unsigned long port, |
134 | int irq, int dma1, int dma2, | |
135 | int timer_dev, | |
136 | int voices, | |
137 | int pcm_channels, | |
138 | int effect, | |
5e2da206 | 139 | struct snd_gus_card **rgus) |
1da177e4 | 140 | { |
5e2da206 | 141 | struct snd_gus_card *gus; |
1da177e4 | 142 | int err; |
5e2da206 | 143 | static struct snd_device_ops ops = { |
1da177e4 LT |
144 | .dev_free = snd_gus_dev_free, |
145 | }; | |
146 | ||
147 | *rgus = NULL; | |
9e76a76e | 148 | gus = kzalloc(sizeof(*gus), GFP_KERNEL); |
1da177e4 LT |
149 | if (gus == NULL) |
150 | return -ENOMEM; | |
c2cbdbb1 IM |
151 | spin_lock_init(&gus->reg_lock); |
152 | spin_lock_init(&gus->voice_alloc); | |
153 | spin_lock_init(&gus->active_voice_lock); | |
154 | spin_lock_init(&gus->event_lock); | |
155 | spin_lock_init(&gus->dma_lock); | |
156 | spin_lock_init(&gus->pcm_volume_level_lock); | |
157 | spin_lock_init(&gus->uart_cmd_lock); | |
158 | mutex_init(&gus->dma_mutex); | |
1da177e4 LT |
159 | gus->gf1.irq = -1; |
160 | gus->gf1.dma1 = -1; | |
161 | gus->gf1.dma2 = -1; | |
162 | gus->card = card; | |
163 | gus->gf1.port = port; | |
164 | /* fill register variables for speedup */ | |
165 | gus->gf1.reg_page = GUSP(gus, GF1PAGE); | |
166 | gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL); | |
167 | gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH); | |
168 | gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW); | |
169 | gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT); | |
170 | gus->gf1.reg_dram = GUSP(gus, DRAM); | |
171 | gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL); | |
172 | gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA); | |
173 | /* allocate resources */ | |
174 | if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) { | |
175 | snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port); | |
176 | snd_gus_free(gus); | |
177 | return -EBUSY; | |
178 | } | |
179 | if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) { | |
180 | snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100); | |
181 | snd_gus_free(gus); | |
182 | return -EBUSY; | |
183 | } | |
88e24c3a | 184 | if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) { |
1da177e4 LT |
185 | snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq); |
186 | snd_gus_free(gus); | |
187 | return -EBUSY; | |
188 | } | |
189 | gus->gf1.irq = irq; | |
190 | if (request_dma(dma1, "GUS - 1")) { | |
191 | snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1); | |
192 | snd_gus_free(gus); | |
193 | return -EBUSY; | |
194 | } | |
195 | gus->gf1.dma1 = dma1; | |
196 | if (dma2 >= 0 && dma1 != dma2) { | |
197 | if (request_dma(dma2, "GUS - 2")) { | |
198 | snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2); | |
199 | snd_gus_free(gus); | |
200 | return -EBUSY; | |
201 | } | |
202 | gus->gf1.dma2 = dma2; | |
203 | } else { | |
204 | gus->gf1.dma2 = gus->gf1.dma1; | |
205 | gus->equal_dma = 1; | |
206 | } | |
207 | gus->timer_dev = timer_dev; | |
208 | if (voices < 14) | |
209 | voices = 14; | |
210 | if (voices > 32) | |
211 | voices = 32; | |
212 | if (pcm_channels < 0) | |
213 | pcm_channels = 0; | |
214 | if (pcm_channels > 8) | |
215 | pcm_channels = 8; | |
216 | pcm_channels++; | |
217 | pcm_channels &= ~1; | |
218 | gus->gf1.effect = effect ? 1 : 0; | |
219 | gus->gf1.active_voices = voices; | |
220 | gus->gf1.pcm_channels = pcm_channels; | |
221 | gus->gf1.volume_ramp = 25; | |
222 | gus->gf1.smooth_pan = 1; | |
1da177e4 LT |
223 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) { |
224 | snd_gus_free(gus); | |
225 | return err; | |
226 | } | |
227 | *rgus = gus; | |
228 | return 0; | |
229 | } | |
230 | ||
231 | /* | |
232 | * Memory detection routine for plain GF1 soundcards | |
233 | */ | |
234 | ||
5e2da206 | 235 | static int snd_gus_detect_memory(struct snd_gus_card * gus) |
1da177e4 LT |
236 | { |
237 | int l, idx, local; | |
238 | unsigned char d; | |
239 | ||
240 | snd_gf1_poke(gus, 0L, 0xaa); | |
241 | snd_gf1_poke(gus, 1L, 0x55); | |
242 | if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) { | |
99b359ba | 243 | snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port); |
1da177e4 LT |
244 | return -ENOMEM; |
245 | } | |
246 | for (idx = 1, d = 0xab; idx < 4; idx++, d++) { | |
247 | local = idx << 18; | |
248 | snd_gf1_poke(gus, local, d); | |
249 | snd_gf1_poke(gus, local + 1, d + 1); | |
250 | if (snd_gf1_peek(gus, local) != d || | |
251 | snd_gf1_peek(gus, local + 1) != d + 1 || | |
252 | snd_gf1_peek(gus, 0L) != 0xaa) | |
253 | break; | |
254 | } | |
255 | #if 1 | |
256 | gus->gf1.memory = idx << 18; | |
257 | #else | |
258 | gus->gf1.memory = 256 * 1024; | |
259 | #endif | |
260 | for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) { | |
261 | gus->gf1.mem_alloc.banks_8[l].address = | |
262 | gus->gf1.mem_alloc.banks_8[l].size = 0; | |
263 | gus->gf1.mem_alloc.banks_16[l].address = l << 18; | |
264 | gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0; | |
265 | } | |
266 | gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory; | |
267 | return 0; /* some memory were detected */ | |
268 | } | |
269 | ||
5e2da206 | 270 | static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches) |
1da177e4 | 271 | { |
5e2da206 | 272 | struct snd_card *card; |
1da177e4 LT |
273 | unsigned long flags; |
274 | int irq, dma1, dma2; | |
275 | static unsigned char irqs[16] = | |
276 | {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7}; | |
277 | static unsigned char dmas[8] = | |
278 | {6, 1, 0, 2, 0, 3, 4, 5}; | |
279 | ||
622207dc TI |
280 | if (snd_BUG_ON(!gus)) |
281 | return -EINVAL; | |
1da177e4 | 282 | card = gus->card; |
622207dc TI |
283 | if (snd_BUG_ON(!card)) |
284 | return -EINVAL; | |
1da177e4 LT |
285 | |
286 | gus->mix_cntrl_reg &= 0xf8; | |
287 | gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */ | |
288 | if (gus->codec_flag || gus->ess_flag) { | |
289 | gus->mix_cntrl_reg &= ~1; /* enable LINE IN */ | |
290 | gus->mix_cntrl_reg |= 4; /* enable MIC */ | |
291 | } | |
292 | dma1 = gus->gf1.dma1; | |
377a4f7e | 293 | dma1 = abs(dma1); |
1da177e4 LT |
294 | dma1 = dmas[dma1 & 7]; |
295 | dma2 = gus->gf1.dma2; | |
377a4f7e | 296 | dma2 = abs(dma2); |
1da177e4 | 297 | dma2 = dmas[dma2 & 7]; |
1da177e4 LT |
298 | dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3); |
299 | ||
300 | if ((dma1 & 7) == 0 || (dma2 & 7) == 0) { | |
99b359ba | 301 | snd_printk(KERN_ERR "Error! DMA isn't defined.\n"); |
1da177e4 LT |
302 | return -EINVAL; |
303 | } | |
304 | irq = gus->gf1.irq; | |
377a4f7e | 305 | irq = abs(irq); |
1da177e4 LT |
306 | irq = irqs[irq & 0x0f]; |
307 | if (irq == 0) { | |
99b359ba | 308 | snd_printk(KERN_ERR "Error! IRQ isn't defined.\n"); |
1da177e4 LT |
309 | return -EINVAL; |
310 | } | |
311 | irq |= 0x40; | |
312 | #if 0 | |
313 | card->mixer.mix_ctrl_reg |= 0x10; | |
314 | #endif | |
315 | ||
316 | spin_lock_irqsave(&gus->reg_lock, flags); | |
317 | outb(5, GUSP(gus, REGCNTRLS)); | |
318 | outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); | |
319 | outb(0x00, GUSP(gus, IRQDMACNTRLREG)); | |
320 | outb(0, GUSP(gus, REGCNTRLS)); | |
321 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
322 | ||
323 | udelay(100); | |
324 | ||
325 | spin_lock_irqsave(&gus->reg_lock, flags); | |
326 | outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); | |
327 | outb(dma1, GUSP(gus, IRQDMACNTRLREG)); | |
328 | if (latches) { | |
329 | outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); | |
330 | outb(irq, GUSP(gus, IRQDMACNTRLREG)); | |
331 | } | |
332 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
333 | ||
334 | udelay(100); | |
335 | ||
336 | spin_lock_irqsave(&gus->reg_lock, flags); | |
337 | outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); | |
338 | outb(dma1, GUSP(gus, IRQDMACNTRLREG)); | |
339 | if (latches) { | |
340 | outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); | |
341 | outb(irq, GUSP(gus, IRQDMACNTRLREG)); | |
342 | } | |
343 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
344 | ||
345 | snd_gf1_delay(gus); | |
346 | ||
347 | if (latches) | |
348 | gus->mix_cntrl_reg |= 0x08; /* enable latches */ | |
349 | else | |
350 | gus->mix_cntrl_reg &= ~0x08; /* disable latches */ | |
351 | spin_lock_irqsave(&gus->reg_lock, flags); | |
352 | outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); | |
353 | outb(0, GUSP(gus, GF1PAGE)); | |
354 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
5e2da206 | 359 | static int snd_gus_check_version(struct snd_gus_card * gus) |
1da177e4 LT |
360 | { |
361 | unsigned long flags; | |
362 | unsigned char val, rev; | |
5e2da206 | 363 | struct snd_card *card; |
1da177e4 LT |
364 | |
365 | card = gus->card; | |
366 | spin_lock_irqsave(&gus->reg_lock, flags); | |
367 | outb(0x20, GUSP(gus, REGCNTRLS)); | |
368 | val = inb(GUSP(gus, REGCNTRLS)); | |
369 | rev = inb(GUSP(gus, BOARDVERSION)); | |
370 | spin_unlock_irqrestore(&gus->reg_lock, flags); | |
371 | snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev); | |
372 | strcpy(card->driver, "GUS"); | |
373 | strcpy(card->longname, "Gravis UltraSound Classic (2.4)"); | |
374 | if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) { | |
375 | if (rev >= 5 && rev <= 9) { | |
376 | gus->ics_flag = 1; | |
377 | if (rev == 5) | |
378 | gus->ics_flipped = 1; | |
379 | card->longname[27] = '3'; | |
380 | card->longname[29] = rev == 5 ? '5' : '7'; | |
381 | } | |
382 | if (rev >= 10 && rev != 255) { | |
383 | if (rev >= 10 && rev <= 11) { | |
384 | strcpy(card->driver, "GUS MAX"); | |
385 | strcpy(card->longname, "Gravis UltraSound MAX"); | |
386 | gus->max_flag = 1; | |
387 | } else if (rev == 0x30) { | |
388 | strcpy(card->driver, "GUS ACE"); | |
389 | strcpy(card->longname, "Gravis UltraSound Ace"); | |
390 | gus->ace_flag = 1; | |
391 | } else if (rev == 0x50) { | |
392 | strcpy(card->driver, "GUS Extreme"); | |
393 | strcpy(card->longname, "Gravis UltraSound Extreme"); | |
394 | gus->ess_flag = 1; | |
395 | } else { | |
99b359ba | 396 | snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val); |
c1017a4c | 397 | snd_printk(KERN_ERR " please - report to <perex@perex.cz>\n"); |
1da177e4 LT |
398 | } |
399 | } | |
400 | } | |
401 | strcpy(card->shortname, card->longname); | |
402 | gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */ | |
403 | snd_gus_init_control(gus); | |
404 | return 0; | |
405 | } | |
406 | ||
5e2da206 | 407 | int snd_gus_initialize(struct snd_gus_card *gus) |
1da177e4 LT |
408 | { |
409 | int err; | |
410 | ||
411 | if (!gus->interwave) { | |
412 | if ((err = snd_gus_check_version(gus)) < 0) { | |
99b359ba | 413 | snd_printk(KERN_ERR "version check failed\n"); |
1da177e4 LT |
414 | return err; |
415 | } | |
416 | if ((err = snd_gus_detect_memory(gus)) < 0) | |
417 | return err; | |
418 | } | |
419 | if ((err = snd_gus_init_dma_irq(gus, 1)) < 0) | |
420 | return err; | |
1da177e4 LT |
421 | snd_gf1_start(gus); |
422 | gus->initialized = 1; | |
423 | return 0; | |
424 | } | |
425 | ||
426 | /* gus_io.c */ | |
427 | EXPORT_SYMBOL(snd_gf1_delay); | |
428 | EXPORT_SYMBOL(snd_gf1_write8); | |
429 | EXPORT_SYMBOL(snd_gf1_look8); | |
430 | EXPORT_SYMBOL(snd_gf1_write16); | |
431 | EXPORT_SYMBOL(snd_gf1_look16); | |
432 | EXPORT_SYMBOL(snd_gf1_i_write8); | |
433 | EXPORT_SYMBOL(snd_gf1_i_look8); | |
1da177e4 LT |
434 | EXPORT_SYMBOL(snd_gf1_i_look16); |
435 | EXPORT_SYMBOL(snd_gf1_dram_addr); | |
436 | EXPORT_SYMBOL(snd_gf1_write_addr); | |
437 | EXPORT_SYMBOL(snd_gf1_poke); | |
438 | EXPORT_SYMBOL(snd_gf1_peek); | |
439 | /* gus_reset.c */ | |
440 | EXPORT_SYMBOL(snd_gf1_alloc_voice); | |
441 | EXPORT_SYMBOL(snd_gf1_free_voice); | |
442 | EXPORT_SYMBOL(snd_gf1_ctrl_stop); | |
443 | EXPORT_SYMBOL(snd_gf1_stop_voice); | |
1da177e4 LT |
444 | /* gus_mixer.c */ |
445 | EXPORT_SYMBOL(snd_gf1_new_mixer); | |
446 | /* gus_pcm.c */ | |
447 | EXPORT_SYMBOL(snd_gf1_pcm_new); | |
448 | /* gus.c */ | |
449 | EXPORT_SYMBOL(snd_gus_use_inc); | |
450 | EXPORT_SYMBOL(snd_gus_use_dec); | |
451 | EXPORT_SYMBOL(snd_gus_create); | |
452 | EXPORT_SYMBOL(snd_gus_initialize); | |
453 | /* gus_irq.c */ | |
454 | EXPORT_SYMBOL(snd_gus_interrupt); | |
455 | /* gus_uart.c */ | |
456 | EXPORT_SYMBOL(snd_gf1_rawmidi_new); | |
457 | /* gus_dram.c */ | |
458 | EXPORT_SYMBOL(snd_gus_dram_write); | |
459 | EXPORT_SYMBOL(snd_gus_dram_read); | |
460 | /* gus_volume.c */ | |
461 | EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw); | |
462 | EXPORT_SYMBOL(snd_gf1_translate_freq); | |
463 | /* gus_mem.c */ | |
464 | EXPORT_SYMBOL(snd_gf1_mem_alloc); | |
465 | EXPORT_SYMBOL(snd_gf1_mem_xfree); | |
466 | EXPORT_SYMBOL(snd_gf1_mem_free); | |
467 | EXPORT_SYMBOL(snd_gf1_mem_lock); | |
468 | ||
469 | /* | |
470 | * INIT part | |
471 | */ | |
472 | ||
473 | static int __init alsa_gus_init(void) | |
474 | { | |
475 | return 0; | |
476 | } | |
477 | ||
478 | static void __exit alsa_gus_exit(void) | |
479 | { | |
480 | } | |
481 | ||
482 | module_init(alsa_gus_init) | |
483 | module_exit(alsa_gus_exit) |