2 * Routines for Gravis UltraSound soundcards
3 * Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/delay.h>
26 #include <linux/slab.h>
27 #include <linux/ioport.h>
28 #include <sound/core.h>
29 #include <sound/gus.h>
30 #include <sound/control.h>
34 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
35 MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
36 MODULE_LICENSE("GPL");
38 #define chip_t snd_gus_card_t
40 static int snd_gus_init_dma_irq(snd_gus_card_t * gus, int latches);
42 int snd_gus_use_inc(snd_gus_card_t * gus)
44 if (!try_module_get(gus->card->module))
49 void snd_gus_use_dec(snd_gus_card_t * gus)
51 module_put(gus->card->module);
54 static int snd_gus_joystick_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
56 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
58 uinfo->value.integer.min = 0;
59 uinfo->value.integer.max = 31;
63 static int snd_gus_joystick_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
65 snd_gus_card_t *gus = snd_kcontrol_chip(kcontrol);
67 ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
71 static int snd_gus_joystick_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
73 snd_gus_card_t *gus = snd_kcontrol_chip(kcontrol);
78 nval = ucontrol->value.integer.value[0] & 31;
79 spin_lock_irqsave(&gus->reg_lock, flags);
80 change = gus->joystick_dac != nval;
81 gus->joystick_dac = nval;
82 snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
83 spin_unlock_irqrestore(&gus->reg_lock, flags);
87 static snd_kcontrol_new_t snd_gus_joystick_control = {
88 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
89 .name = "Joystick Speed",
90 .info = snd_gus_joystick_info,
91 .get = snd_gus_joystick_get,
92 .put = snd_gus_joystick_put
95 static void snd_gus_init_control(snd_gus_card_t *gus)
98 snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
105 static int snd_gus_free(snd_gus_card_t *gus)
107 if (gus->gf1.res_port2 == NULL)
109 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
111 snd_device_free(gus->card, gus->seq_dev);
116 snd_gus_init_dma_irq(gus, 0);
118 if (gus->gf1.res_port1) {
119 release_resource(gus->gf1.res_port1);
120 kfree_nocheck(gus->gf1.res_port1);
122 if (gus->gf1.res_port2) {
123 release_resource(gus->gf1.res_port2);
124 kfree_nocheck(gus->gf1.res_port2);
126 if (gus->gf1.irq >= 0)
127 free_irq(gus->gf1.irq, (void *) gus);
128 if (gus->gf1.dma1 >= 0) {
129 disable_dma(gus->gf1.dma1);
130 free_dma(gus->gf1.dma1);
132 if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
133 disable_dma(gus->gf1.dma2);
134 free_dma(gus->gf1.dma2);
136 snd_magic_kfree(gus);
140 static int snd_gus_dev_free(snd_device_t *device)
142 snd_gus_card_t *gus = snd_magic_cast(snd_gus_card_t, device->device_data, return -ENXIO);
143 return snd_gus_free(gus);
146 int snd_gus_create(snd_card_t * card,
148 int irq, int dma1, int dma2,
153 snd_gus_card_t **rgus)
157 static snd_device_ops_t ops = {
158 .dev_free = snd_gus_dev_free,
162 gus = snd_magic_kcalloc(snd_gus_card_t, 0, GFP_KERNEL);
169 gus->gf1.port = port;
170 /* fill register variables for speedup */
171 gus->gf1.reg_page = GUSP(gus, GF1PAGE);
172 gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
173 gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
174 gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
175 gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
176 gus->gf1.reg_dram = GUSP(gus, DRAM);
177 gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
178 gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
179 /* allocate resources */
180 if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) {
181 snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
185 if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) {
186 snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
190 if (irq >= 0 && request_irq(irq, snd_gus_interrupt, SA_INTERRUPT, "GUS GF1", (void *) gus)) {
191 snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
196 if (request_dma(dma1, "GUS - 1")) {
197 snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
201 gus->gf1.dma1 = dma1;
202 if (dma2 >= 0 && dma1 != dma2) {
203 if (request_dma(dma2, "GUS - 2")) {
204 snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
208 gus->gf1.dma2 = dma2;
210 gus->gf1.dma2 = gus->gf1.dma1;
213 gus->timer_dev = timer_dev;
218 if (pcm_channels < 0)
220 if (pcm_channels > 8)
224 gus->gf1.effect = effect ? 1 : 0;
225 gus->gf1.active_voices = voices;
226 gus->gf1.pcm_channels = pcm_channels;
227 gus->gf1.volume_ramp = 25;
228 gus->gf1.smooth_pan = 1;
229 spin_lock_init(&gus->reg_lock);
230 spin_lock_init(&gus->voice_alloc);
231 spin_lock_init(&gus->active_voice_lock);
232 spin_lock_init(&gus->event_lock);
233 spin_lock_init(&gus->dma_lock);
234 spin_lock_init(&gus->pcm_volume_level_lock);
235 spin_lock_init(&gus->uart_cmd_lock);
236 init_MUTEX(&gus->dma_mutex);
237 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) {
246 * Memory detection routine for plain GF1 soundcards
249 static int snd_gus_detect_memory(snd_gus_card_t * gus)
254 snd_gf1_poke(gus, 0L, 0xaa);
255 snd_gf1_poke(gus, 1L, 0x55);
256 if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {
257 snd_printk("plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
260 for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
262 snd_gf1_poke(gus, local, d);
263 snd_gf1_poke(gus, local + 1, d + 1);
264 if (snd_gf1_peek(gus, local) != d ||
265 snd_gf1_peek(gus, local + 1) != d + 1 ||
266 snd_gf1_peek(gus, 0L) != 0xaa)
270 gus->gf1.memory = idx << 18;
272 gus->gf1.memory = 256 * 1024;
274 for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
275 gus->gf1.mem_alloc.banks_8[l].address =
276 gus->gf1.mem_alloc.banks_8[l].size = 0;
277 gus->gf1.mem_alloc.banks_16[l].address = l << 18;
278 gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
280 gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
281 return 0; /* some memory were detected */
284 static int snd_gus_init_dma_irq(snd_gus_card_t * gus, int latches)
289 static unsigned char irqs[16] =
290 {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
291 static unsigned char dmas[8] =
292 {6, 1, 0, 2, 0, 3, 4, 5};
294 snd_assert(gus != NULL, return -EINVAL);
296 snd_assert(card != NULL, return -EINVAL);
298 gus->mix_cntrl_reg &= 0xf8;
299 gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */
300 if (gus->codec_flag || gus->ess_flag) {
301 gus->mix_cntrl_reg &= ~1; /* enable LINE IN */
302 gus->mix_cntrl_reg |= 4; /* enable MIC */
304 dma1 = gus->gf1.dma1;
305 dma1 = dma1 < 0 ? -dma1 : dma1;
306 dma1 = dmas[dma1 & 7];
307 dma2 = gus->gf1.dma2;
308 dma2 = dma2 < 0 ? -dma2 : dma2;
309 dma2 = dmas[dma2 & 7];
311 printk("dma1 = %i, dma2 = %i\n", gus->gf1.dma1, gus->gf1.dma2);
313 dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);
315 if ((dma1 & 7) == 0 || (dma2 & 7) == 0) {
316 snd_printk("Error! DMA isn't defined.\n");
320 irq = irq < 0 ? -irq : irq;
321 irq = irqs[irq & 0x0f];
323 snd_printk("Error! IRQ isn't defined.\n");
328 card->mixer.mix_ctrl_reg |= 0x10;
331 spin_lock_irqsave(&gus->reg_lock, flags);
332 outb(5, GUSP(gus, REGCNTRLS));
333 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
334 outb(0x00, GUSP(gus, IRQDMACNTRLREG));
335 outb(0, GUSP(gus, REGCNTRLS));
336 spin_unlock_irqrestore(&gus->reg_lock, flags);
340 spin_lock_irqsave(&gus->reg_lock, flags);
341 outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
342 outb(dma1, GUSP(gus, IRQDMACNTRLREG));
344 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
345 outb(irq, GUSP(gus, IRQDMACNTRLREG));
347 spin_unlock_irqrestore(&gus->reg_lock, flags);
351 spin_lock_irqsave(&gus->reg_lock, flags);
352 outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
353 outb(dma1, GUSP(gus, IRQDMACNTRLREG));
355 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
356 outb(irq, GUSP(gus, IRQDMACNTRLREG));
358 spin_unlock_irqrestore(&gus->reg_lock, flags);
363 gus->mix_cntrl_reg |= 0x08; /* enable latches */
365 gus->mix_cntrl_reg &= ~0x08; /* disable latches */
366 spin_lock_irqsave(&gus->reg_lock, flags);
367 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
368 outb(0, GUSP(gus, GF1PAGE));
369 spin_unlock_irqrestore(&gus->reg_lock, flags);
374 static int snd_gus_check_version(snd_gus_card_t * gus)
377 unsigned char val, rev;
381 spin_lock_irqsave(&gus->reg_lock, flags);
382 outb(0x20, GUSP(gus, REGCNTRLS));
383 val = inb(GUSP(gus, REGCNTRLS));
384 rev = inb(GUSP(gus, BOARDVERSION));
385 spin_unlock_irqrestore(&gus->reg_lock, flags);
386 snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
387 strcpy(card->driver, "GUS");
388 strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
389 if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
390 if (rev >= 5 && rev <= 9) {
393 gus->ics_flipped = 1;
394 card->longname[27] = '3';
395 card->longname[29] = rev == 5 ? '5' : '7';
397 if (rev >= 10 && rev != 255) {
398 if (rev >= 10 && rev <= 11) {
399 strcpy(card->driver, "GUS MAX");
400 strcpy(card->longname, "Gravis UltraSound MAX");
402 } else if (rev == 0x30) {
403 strcpy(card->driver, "GUS ACE");
404 strcpy(card->longname, "Gravis UltraSound Ace");
406 } else if (rev == 0x50) {
407 strcpy(card->driver, "GUS Extreme");
408 strcpy(card->longname, "Gravis UltraSound Extreme");
411 snd_printk("unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
412 snd_printk(" please - report to <perex@suse.cz>\n");
416 strcpy(card->shortname, card->longname);
417 gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */
418 snd_gus_init_control(gus);
422 static void snd_gus_seq_dev_free(snd_seq_device_t *seq_dev)
424 snd_gus_card_t *gus = snd_magic_cast(snd_gus_card_t, seq_dev->private_data, return);
428 int snd_gus_initialize(snd_gus_card_t *gus)
432 if (!gus->interwave) {
433 if ((err = snd_gus_check_version(gus)) < 0) {
434 snd_printk("version check failed\n");
437 if ((err = snd_gus_detect_memory(gus)) < 0)
440 if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)
442 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
443 if (snd_seq_device_new(gus->card, 1, SNDRV_SEQ_DEV_ID_GUS,
444 sizeof(snd_gus_card_t*), &gus->seq_dev) >= 0) {
445 strcpy(gus->seq_dev->name, "GUS");
446 *(snd_gus_card_t**)SNDRV_SEQ_DEVICE_ARGPTR(gus->seq_dev) = gus;
447 gus->seq_dev->private_data = gus;
448 gus->seq_dev->private_free = snd_gus_seq_dev_free;
452 gus->initialized = 1;
457 EXPORT_SYMBOL(snd_gf1_delay);
458 EXPORT_SYMBOL(snd_gf1_write8);
459 EXPORT_SYMBOL(snd_gf1_look8);
460 EXPORT_SYMBOL(snd_gf1_write16);
461 EXPORT_SYMBOL(snd_gf1_look16);
462 EXPORT_SYMBOL(snd_gf1_i_write8);
463 EXPORT_SYMBOL(snd_gf1_i_look8);
464 EXPORT_SYMBOL(snd_gf1_i_write16);
465 EXPORT_SYMBOL(snd_gf1_i_look16);
466 EXPORT_SYMBOL(snd_gf1_dram_addr);
467 EXPORT_SYMBOL(snd_gf1_write_addr);
468 EXPORT_SYMBOL(snd_gf1_poke);
469 EXPORT_SYMBOL(snd_gf1_peek);
471 EXPORT_SYMBOL(snd_gf1_alloc_voice);
472 EXPORT_SYMBOL(snd_gf1_free_voice);
473 EXPORT_SYMBOL(snd_gf1_ctrl_stop);
474 EXPORT_SYMBOL(snd_gf1_stop_voice);
475 EXPORT_SYMBOL(snd_gf1_start);
476 EXPORT_SYMBOL(snd_gf1_stop);
478 EXPORT_SYMBOL(snd_gf1_new_mixer);
480 EXPORT_SYMBOL(snd_gf1_pcm_new);
482 EXPORT_SYMBOL(snd_gus_use_inc);
483 EXPORT_SYMBOL(snd_gus_use_dec);
484 EXPORT_SYMBOL(snd_gus_create);
485 EXPORT_SYMBOL(snd_gus_initialize);
487 EXPORT_SYMBOL(snd_gus_interrupt);
489 EXPORT_SYMBOL(snd_gf1_rawmidi_new);
491 EXPORT_SYMBOL(snd_gus_dram_write);
492 EXPORT_SYMBOL(snd_gus_dram_read);
494 EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
495 EXPORT_SYMBOL(snd_gf1_translate_freq);
497 EXPORT_SYMBOL(snd_gf1_mem_alloc);
498 EXPORT_SYMBOL(snd_gf1_mem_xfree);
499 EXPORT_SYMBOL(snd_gf1_mem_free);
500 EXPORT_SYMBOL(snd_gf1_mem_lock);
506 static int __init alsa_gus_init(void)
511 static void __exit alsa_gus_exit(void)
515 module_init(alsa_gus_init)
516 module_exit(alsa_gus_exit)