2 * Driver for Gravis UltraSound MAX soundcard
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>
24 #include <linux/init.h>
25 #include <linux/delay.h>
26 #include <linux/time.h>
27 #include <sound/core.h>
28 #include <sound/gus.h>
29 #include <sound/cs4231.h>
30 #define SNDRV_LEGACY_AUTO_PROBE
31 #define SNDRV_LEGACY_FIND_FREE_IRQ
32 #define SNDRV_LEGACY_FIND_FREE_DMA
34 #include <sound/initval.h>
36 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
37 MODULE_DESCRIPTION("Gravis UltraSound MAX");
38 MODULE_LICENSE("GPL");
39 MODULE_CLASSES("{sound}");
40 MODULE_DEVICES("{{Gravis,UltraSound MAX}}");
42 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
43 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
44 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
45 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
46 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
47 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
48 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
49 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
50 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
51 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
52 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
54 MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
55 MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
56 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
57 MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
58 MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
59 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
60 MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
61 MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
62 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
63 MODULE_PARM(port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
64 MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
65 MODULE_PARM_SYNTAX(port, SNDRV_ENABLED ",allows:{{0x220},{0x230},{0x240},{0x250},{0x260}},dialog:list");
66 MODULE_PARM(irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
67 MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
68 MODULE_PARM_SYNTAX(irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list");
69 MODULE_PARM(dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
70 MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
71 MODULE_PARM_SYNTAX(dma1, SNDRV_DMA_DESC);
72 MODULE_PARM(dma2, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
73 MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
74 MODULE_PARM_SYNTAX(dma2, SNDRV_DMA_DESC);
75 MODULE_PARM(joystick_dac, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
76 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
77 MODULE_PARM_SYNTAX(joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}");
78 MODULE_PARM(channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
79 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
80 MODULE_PARM_SYNTAX(channels, SNDRV_ENABLED ",allows:{{14,32}}");
81 MODULE_PARM(pcm_channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
82 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
83 MODULE_PARM_SYNTAX(pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}");
90 unsigned short gus_status_reg;
91 unsigned short pcm_status_reg;
94 static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
97 static int __init snd_gusmax_detect(snd_gus_card_t * gus)
99 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
100 #ifdef CONFIG_SND_DEBUG_DETECT
104 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
105 snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
110 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
114 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
116 #ifdef CONFIG_SND_DEBUG_DETECT
120 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
121 snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
126 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
132 static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id, struct pt_regs *regs)
134 struct snd_gusmax *maxcard = (struct snd_gusmax *) dev_id;
140 if (inb(maxcard->gus_status_reg)) {
142 snd_gus_interrupt(irq, maxcard->gus, regs);
145 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
147 snd_cs4231_interrupt(irq, maxcard->cs4231, regs);
150 } while (loop && --max > 0);
151 return IRQ_RETVAL(handled);
154 static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus)
158 gus->joystick_dac = joystick_dac[dev];
159 /* init control register */
160 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
161 if (gus->gf1.dma1 > 3)
162 gus->max_cntrl_val |= 0x10;
163 if (gus->gf1.dma2 > 3)
164 gus->max_cntrl_val |= 0x20;
165 gus->max_cntrl_val |= 0x40;
166 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
169 #define CS4231_PRIVATE( left, right, shift, mute ) \
170 ((left << 24)|(right << 16)|(shift<<8)|mute)
172 static int __init snd_gusmax_mixer(cs4231_t *chip)
174 snd_card_t *card = chip->card;
175 snd_ctl_elem_id_t id1, id2;
178 memset(&id1, 0, sizeof(id1));
179 memset(&id2, 0, sizeof(id2));
180 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
181 /* reassign AUXA to SYNTHESIZER */
182 strcpy(id1.name, "Aux Playback Switch");
183 strcpy(id2.name, "Synth Playback Switch");
184 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
186 strcpy(id1.name, "Aux Playback Volume");
187 strcpy(id2.name, "Synth Playback Volume");
188 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
190 /* reassign AUXB to CD */
191 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
192 strcpy(id2.name, "CD Playback Switch");
193 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
195 strcpy(id1.name, "Aux Playback Volume");
196 strcpy(id2.name, "CD Playback Volume");
197 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
200 /* reassign Mono Input to MIC */
201 if (snd_mixer_group_rename(mixer,
202 SNDRV_MIXER_IN_MONO, 0,
203 SNDRV_MIXER_IN_MIC, 0) < 0)
205 if (snd_mixer_elem_rename(mixer,
206 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
207 SNDRV_MIXER_IN_MIC, 0) < 0)
209 if (snd_mixer_elem_rename(mixer,
210 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
211 "Mic Capture Volume", 0) < 0)
213 if (snd_mixer_elem_rename(mixer,
214 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
215 "Mic Capture Switch", 0) < 0)
221 static void snd_gusmax_free(snd_card_t *card)
223 struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
227 if (maxcard->irq >= 0)
228 free_irq(maxcard->irq, (void *)maxcard);
231 static int __init snd_gusmax_probe(int dev)
233 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
234 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
235 int xirq, xdma1, xdma2, err;
237 snd_gus_card_t *gus = NULL;
239 struct snd_gusmax *maxcard;
241 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
242 sizeof(struct snd_gusmax));
245 card->private_free = snd_gusmax_free;
246 maxcard = (struct snd_gusmax *)card->private_data;
247 maxcard->card = card;
251 if (xirq == SNDRV_AUTO_IRQ) {
252 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
254 snd_printk("unable to find a free IRQ\n");
259 if (xdma1 == SNDRV_AUTO_DMA) {
260 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
262 snd_printk("unable to find a free DMA1\n");
267 if (xdma2 == SNDRV_AUTO_DMA) {
268 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
270 snd_printk("unable to find a free DMA2\n");
275 if ((err = snd_gus_create(card,
284 if ((err = snd_gusmax_detect(gus)) < 0) {
288 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
289 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
290 snd_gusmax_init(dev, card, gus);
291 if ((err = snd_gus_initialize(gus)) < 0) {
295 if (!gus->max_flag) {
296 printk(KERN_ERR "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
301 if (request_irq(xirq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) {
303 printk(KERN_ERR "gusmax: unable to grab IRQ %d\n", xirq);
308 if ((err = snd_cs4231_create(card,
309 gus->gf1.port + 0x10c, -1, xirq,
310 xdma2 < 0 ? xdma1 : xdma2, xdma1,
313 CS4231_HWSHARE_DMA1 |
319 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) {
323 if ((err = snd_cs4231_mixer(cs4231)) < 0) {
327 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) {
331 if (pcm_channels[dev] > 0) {
332 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) {
337 if ((err = snd_gusmax_mixer(cs4231)) < 0) {
342 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
347 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
349 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
350 if ((err = snd_card_register(card)) < 0) {
356 maxcard->cs4231 = cs4231;
357 snd_gusmax_cards[dev] = card;
361 static int __init snd_gusmax_legacy_auto_probe(unsigned long xport)
366 for ( ; dev < SNDRV_CARDS; dev++) {
367 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
370 res = snd_gusmax_probe(dev);
372 port[dev] = SNDRV_AUTO_PORT;
378 static int __init alsa_card_gusmax_init(void)
380 static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
383 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
384 if (port[dev] == SNDRV_AUTO_PORT)
386 if (snd_gusmax_probe(dev) >= 0)
389 i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
395 printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
402 static void __exit alsa_card_gusmax_exit(void)
406 for (idx = 0; idx < SNDRV_CARDS; idx++)
407 snd_card_free(snd_gusmax_cards[idx]);
410 module_init(alsa_card_gusmax_init)
411 module_exit(alsa_card_gusmax_exit)
415 /* format is: snd-gusmax=enable,index,id,
419 channels,pcm_channels */
421 static int __init alsa_card_gusmax_setup(char *str)
423 static unsigned __initdata nr_dev = 0;
425 if (nr_dev >= SNDRV_CARDS)
427 (void)(get_option(&str,&enable[nr_dev]) == 2 &&
428 get_option(&str,&index[nr_dev]) == 2 &&
429 get_id(&str,&id[nr_dev]) == 2 &&
430 get_option_long(&str,&port[nr_dev]) == 2 &&
431 get_option(&str,&irq[nr_dev]) == 2 &&
432 get_option(&str,&dma1[nr_dev]) == 2 &&
433 get_option(&str,&dma2[nr_dev]) == 2 &&
434 get_option(&str,&joystick_dac[nr_dev]) == 2 &&
435 get_option(&str,&channels[nr_dev]) == 2 &&
436 get_option(&str,&pcm_channels[nr_dev]) == 2);
441 __setup("snd-gusmax=", alsa_card_gusmax_setup);
443 #endif /* ifndef MODULE */