2 * Routines for Gravis UltraSound soundcards
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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.
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.
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
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>
27 #include <linux/module.h>
28 #include <sound/core.h>
29 #include <sound/gus.h>
30 #include <sound/control.h>
34 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
35 MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
36 MODULE_LICENSE("GPL");
38 static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches);
40 int snd_gus_use_inc(struct snd_gus_card * gus)
42 if (!try_module_get(gus->card->module))
47 void snd_gus_use_dec(struct snd_gus_card * gus)
49 module_put(gus->card->module);
52 static int snd_gus_joystick_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
54 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
56 uinfo->value.integer.min = 0;
57 uinfo->value.integer.max = 31;
61 static int snd_gus_joystick_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
63 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
65 ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
69 static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
71 struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
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);
85 static const struct snd_kcontrol_new snd_gus_joystick_control = {
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
93 static void snd_gus_init_control(struct snd_gus_card *gus)
99 snd_ctl_add(gus->card,
100 snd_ctl_new1(&snd_gus_joystick_control,
103 snd_printk(KERN_ERR "gus: snd_ctl_add failed: %d\n",
112 static int snd_gus_free(struct snd_gus_card *gus)
114 if (gus->gf1.res_port2 == NULL)
117 snd_gus_init_dma_irq(gus, 0);
119 release_and_free_resource(gus->gf1.res_port1);
120 release_and_free_resource(gus->gf1.res_port2);
121 if (gus->gf1.irq >= 0)
122 free_irq(gus->gf1.irq, (void *) gus);
123 if (gus->gf1.dma1 >= 0) {
124 disable_dma(gus->gf1.dma1);
125 free_dma(gus->gf1.dma1);
127 if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
128 disable_dma(gus->gf1.dma2);
129 free_dma(gus->gf1.dma2);
135 static int snd_gus_dev_free(struct snd_device *device)
137 struct snd_gus_card *gus = device->device_data;
138 return snd_gus_free(gus);
141 int snd_gus_create(struct snd_card *card,
143 int irq, int dma1, int dma2,
148 struct snd_gus_card **rgus)
150 struct snd_gus_card *gus;
152 static struct snd_device_ops ops = {
153 .dev_free = snd_gus_dev_free,
157 gus = kzalloc(sizeof(*gus), GFP_KERNEL);
160 spin_lock_init(&gus->reg_lock);
161 spin_lock_init(&gus->voice_alloc);
162 spin_lock_init(&gus->active_voice_lock);
163 spin_lock_init(&gus->event_lock);
164 spin_lock_init(&gus->dma_lock);
165 spin_lock_init(&gus->pcm_volume_level_lock);
166 spin_lock_init(&gus->uart_cmd_lock);
167 mutex_init(&gus->dma_mutex);
172 gus->gf1.port = port;
173 /* fill register variables for speedup */
174 gus->gf1.reg_page = GUSP(gus, GF1PAGE);
175 gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
176 gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
177 gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
178 gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
179 gus->gf1.reg_dram = GUSP(gus, DRAM);
180 gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
181 gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
182 /* allocate resources */
183 if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) {
184 snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
188 if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) {
189 snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
193 if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) {
194 snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
199 if (request_dma(dma1, "GUS - 1")) {
200 snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
204 gus->gf1.dma1 = dma1;
205 if (dma2 >= 0 && dma1 != dma2) {
206 if (request_dma(dma2, "GUS - 2")) {
207 snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
211 gus->gf1.dma2 = dma2;
213 gus->gf1.dma2 = gus->gf1.dma1;
216 gus->timer_dev = timer_dev;
221 if (pcm_channels < 0)
223 if (pcm_channels > 8)
227 gus->gf1.effect = effect ? 1 : 0;
228 gus->gf1.active_voices = voices;
229 gus->gf1.pcm_channels = pcm_channels;
230 gus->gf1.volume_ramp = 25;
231 gus->gf1.smooth_pan = 1;
232 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) {
241 * Memory detection routine for plain GF1 soundcards
244 static int snd_gus_detect_memory(struct snd_gus_card * gus)
249 snd_gf1_poke(gus, 0L, 0xaa);
250 snd_gf1_poke(gus, 1L, 0x55);
251 if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {
252 snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
255 for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
257 snd_gf1_poke(gus, local, d);
258 snd_gf1_poke(gus, local + 1, d + 1);
259 if (snd_gf1_peek(gus, local) != d ||
260 snd_gf1_peek(gus, local + 1) != d + 1 ||
261 snd_gf1_peek(gus, 0L) != 0xaa)
265 gus->gf1.memory = idx << 18;
267 gus->gf1.memory = 256 * 1024;
269 for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
270 gus->gf1.mem_alloc.banks_8[l].address =
271 gus->gf1.mem_alloc.banks_8[l].size = 0;
272 gus->gf1.mem_alloc.banks_16[l].address = l << 18;
273 gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
275 gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
276 return 0; /* some memory were detected */
279 static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
281 struct snd_card *card;
284 static unsigned char irqs[16] =
285 {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
286 static unsigned char dmas[8] =
287 {6, 1, 0, 2, 0, 3, 4, 5};
289 if (snd_BUG_ON(!gus))
292 if (snd_BUG_ON(!card))
295 gus->mix_cntrl_reg &= 0xf8;
296 gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */
297 if (gus->codec_flag || gus->ess_flag) {
298 gus->mix_cntrl_reg &= ~1; /* enable LINE IN */
299 gus->mix_cntrl_reg |= 4; /* enable MIC */
301 dma1 = gus->gf1.dma1;
303 dma1 = dmas[dma1 & 7];
304 dma2 = gus->gf1.dma2;
306 dma2 = dmas[dma2 & 7];
307 dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);
309 if ((dma1 & 7) == 0 || (dma2 & 7) == 0) {
310 snd_printk(KERN_ERR "Error! DMA isn't defined.\n");
315 irq = irqs[irq & 0x0f];
317 snd_printk(KERN_ERR "Error! IRQ isn't defined.\n");
322 card->mixer.mix_ctrl_reg |= 0x10;
325 spin_lock_irqsave(&gus->reg_lock, flags);
326 outb(5, GUSP(gus, REGCNTRLS));
327 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
328 outb(0x00, GUSP(gus, IRQDMACNTRLREG));
329 outb(0, GUSP(gus, REGCNTRLS));
330 spin_unlock_irqrestore(&gus->reg_lock, flags);
334 spin_lock_irqsave(&gus->reg_lock, flags);
335 outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
336 outb(dma1, GUSP(gus, IRQDMACNTRLREG));
338 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
339 outb(irq, GUSP(gus, IRQDMACNTRLREG));
341 spin_unlock_irqrestore(&gus->reg_lock, flags);
345 spin_lock_irqsave(&gus->reg_lock, flags);
346 outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
347 outb(dma1, GUSP(gus, IRQDMACNTRLREG));
349 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
350 outb(irq, GUSP(gus, IRQDMACNTRLREG));
352 spin_unlock_irqrestore(&gus->reg_lock, flags);
357 gus->mix_cntrl_reg |= 0x08; /* enable latches */
359 gus->mix_cntrl_reg &= ~0x08; /* disable latches */
360 spin_lock_irqsave(&gus->reg_lock, flags);
361 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
362 outb(0, GUSP(gus, GF1PAGE));
363 spin_unlock_irqrestore(&gus->reg_lock, flags);
368 static int snd_gus_check_version(struct snd_gus_card * gus)
371 unsigned char val, rev;
372 struct snd_card *card;
375 spin_lock_irqsave(&gus->reg_lock, flags);
376 outb(0x20, GUSP(gus, REGCNTRLS));
377 val = inb(GUSP(gus, REGCNTRLS));
378 rev = inb(GUSP(gus, BOARDVERSION));
379 spin_unlock_irqrestore(&gus->reg_lock, flags);
380 snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
381 strcpy(card->driver, "GUS");
382 strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
383 if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
384 if (rev >= 5 && rev <= 9) {
387 gus->ics_flipped = 1;
388 card->longname[27] = '3';
389 card->longname[29] = rev == 5 ? '5' : '7';
391 if (rev >= 10 && rev != 255) {
392 if (rev >= 10 && rev <= 11) {
393 strcpy(card->driver, "GUS MAX");
394 strcpy(card->longname, "Gravis UltraSound MAX");
396 } else if (rev == 0x30) {
397 strcpy(card->driver, "GUS ACE");
398 strcpy(card->longname, "Gravis UltraSound Ace");
400 } else if (rev == 0x50) {
401 strcpy(card->driver, "GUS Extreme");
402 strcpy(card->longname, "Gravis UltraSound Extreme");
405 snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
406 snd_printk(KERN_ERR " please - report to <perex@perex.cz>\n");
410 strcpy(card->shortname, card->longname);
411 gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */
412 snd_gus_init_control(gus);
416 int snd_gus_initialize(struct snd_gus_card *gus)
420 if (!gus->interwave) {
421 if ((err = snd_gus_check_version(gus)) < 0) {
422 snd_printk(KERN_ERR "version check failed\n");
425 if ((err = snd_gus_detect_memory(gus)) < 0)
428 if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)
431 gus->initialized = 1;
436 EXPORT_SYMBOL(snd_gf1_delay);
437 EXPORT_SYMBOL(snd_gf1_write8);
438 EXPORT_SYMBOL(snd_gf1_look8);
439 EXPORT_SYMBOL(snd_gf1_write16);
440 EXPORT_SYMBOL(snd_gf1_look16);
441 EXPORT_SYMBOL(snd_gf1_i_write8);
442 EXPORT_SYMBOL(snd_gf1_i_look8);
443 EXPORT_SYMBOL(snd_gf1_i_look16);
444 EXPORT_SYMBOL(snd_gf1_dram_addr);
445 EXPORT_SYMBOL(snd_gf1_write_addr);
446 EXPORT_SYMBOL(snd_gf1_poke);
447 EXPORT_SYMBOL(snd_gf1_peek);
449 EXPORT_SYMBOL(snd_gf1_alloc_voice);
450 EXPORT_SYMBOL(snd_gf1_free_voice);
451 EXPORT_SYMBOL(snd_gf1_ctrl_stop);
452 EXPORT_SYMBOL(snd_gf1_stop_voice);
454 EXPORT_SYMBOL(snd_gf1_new_mixer);
456 EXPORT_SYMBOL(snd_gf1_pcm_new);
458 EXPORT_SYMBOL(snd_gus_use_inc);
459 EXPORT_SYMBOL(snd_gus_use_dec);
460 EXPORT_SYMBOL(snd_gus_create);
461 EXPORT_SYMBOL(snd_gus_initialize);
463 EXPORT_SYMBOL(snd_gus_interrupt);
465 EXPORT_SYMBOL(snd_gf1_rawmidi_new);
467 EXPORT_SYMBOL(snd_gus_dram_write);
468 EXPORT_SYMBOL(snd_gus_dram_read);
470 EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
471 EXPORT_SYMBOL(snd_gf1_translate_freq);
473 EXPORT_SYMBOL(snd_gf1_mem_alloc);
474 EXPORT_SYMBOL(snd_gf1_mem_xfree);
475 EXPORT_SYMBOL(snd_gf1_mem_free);
476 EXPORT_SYMBOL(snd_gf1_mem_lock);