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 <linux/moduleparam.h>
28 #include <sound/core.h>
29 #include <sound/gus.h>
30 #include <sound/cs4231.h>
31 #define SNDRV_LEGACY_AUTO_PROBE
32 #define SNDRV_LEGACY_FIND_FREE_IRQ
33 #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_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
41 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
42 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
43 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
44 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
45 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
46 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
47 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
48 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
49 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
50 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
51 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
54 module_param_array(index, int, boot_devs, 0444);
55 MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
56 module_param_array(id, charp, boot_devs, 0444);
57 MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
58 module_param_array(enable, bool, boot_devs, 0444);
59 MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
60 module_param_array(port, long, boot_devs, 0444);
61 MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
62 module_param_array(irq, int, boot_devs, 0444);
63 MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
64 module_param_array(dma1, int, boot_devs, 0444);
65 MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
66 module_param_array(dma2, int, boot_devs, 0444);
67 MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
68 module_param_array(joystick_dac, int, boot_devs, 0444);
69 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
70 module_param_array(channels, int, boot_devs, 0444);
71 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
72 module_param_array(pcm_channels, int, boot_devs, 0444);
73 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
80 unsigned short gus_status_reg;
81 unsigned short pcm_status_reg;
84 static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
87 static int __init snd_gusmax_detect(snd_gus_card_t * gus)
89 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
90 #ifdef CONFIG_SND_DEBUG_DETECT
94 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
95 snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
100 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
104 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
106 #ifdef CONFIG_SND_DEBUG_DETECT
110 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
111 snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
116 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
122 static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id, struct pt_regs *regs)
124 struct snd_gusmax *maxcard = (struct snd_gusmax *) dev_id;
130 if (inb(maxcard->gus_status_reg)) {
132 snd_gus_interrupt(irq, maxcard->gus, regs);
135 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
137 snd_cs4231_interrupt(irq, maxcard->cs4231, regs);
140 } while (loop && --max > 0);
141 return IRQ_RETVAL(handled);
144 static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus)
148 gus->joystick_dac = joystick_dac[dev];
149 /* init control register */
150 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
151 if (gus->gf1.dma1 > 3)
152 gus->max_cntrl_val |= 0x10;
153 if (gus->gf1.dma2 > 3)
154 gus->max_cntrl_val |= 0x20;
155 gus->max_cntrl_val |= 0x40;
156 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
159 #define CS4231_PRIVATE( left, right, shift, mute ) \
160 ((left << 24)|(right << 16)|(shift<<8)|mute)
162 static int __init snd_gusmax_mixer(cs4231_t *chip)
164 snd_card_t *card = chip->card;
165 snd_ctl_elem_id_t id1, id2;
168 memset(&id1, 0, sizeof(id1));
169 memset(&id2, 0, sizeof(id2));
170 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
171 /* reassign AUXA to SYNTHESIZER */
172 strcpy(id1.name, "Aux Playback Switch");
173 strcpy(id2.name, "Synth Playback Switch");
174 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
176 strcpy(id1.name, "Aux Playback Volume");
177 strcpy(id2.name, "Synth Playback Volume");
178 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
180 /* reassign AUXB to CD */
181 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
182 strcpy(id2.name, "CD Playback Switch");
183 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
185 strcpy(id1.name, "Aux Playback Volume");
186 strcpy(id2.name, "CD Playback Volume");
187 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
190 /* reassign Mono Input to MIC */
191 if (snd_mixer_group_rename(mixer,
192 SNDRV_MIXER_IN_MONO, 0,
193 SNDRV_MIXER_IN_MIC, 0) < 0)
195 if (snd_mixer_elem_rename(mixer,
196 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
197 SNDRV_MIXER_IN_MIC, 0) < 0)
199 if (snd_mixer_elem_rename(mixer,
200 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
201 "Mic Capture Volume", 0) < 0)
203 if (snd_mixer_elem_rename(mixer,
204 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
205 "Mic Capture Switch", 0) < 0)
211 static void snd_gusmax_free(snd_card_t *card)
213 struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
217 if (maxcard->irq >= 0)
218 free_irq(maxcard->irq, (void *)maxcard);
221 static int __init snd_gusmax_probe(int dev)
223 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
224 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
225 int xirq, xdma1, xdma2, err;
227 snd_gus_card_t *gus = NULL;
229 struct snd_gusmax *maxcard;
231 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
232 sizeof(struct snd_gusmax));
235 card->private_free = snd_gusmax_free;
236 maxcard = (struct snd_gusmax *)card->private_data;
237 maxcard->card = card;
241 if (xirq == SNDRV_AUTO_IRQ) {
242 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
244 snd_printk("unable to find a free IRQ\n");
249 if (xdma1 == SNDRV_AUTO_DMA) {
250 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
252 snd_printk("unable to find a free DMA1\n");
257 if (xdma2 == SNDRV_AUTO_DMA) {
258 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
260 snd_printk("unable to find a free DMA2\n");
265 if ((err = snd_gus_create(card,
274 if ((err = snd_gusmax_detect(gus)) < 0) {
278 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
279 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
280 snd_gusmax_init(dev, card, gus);
281 if ((err = snd_gus_initialize(gus)) < 0) {
285 if (!gus->max_flag) {
286 printk(KERN_ERR "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
291 if (request_irq(xirq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) {
293 printk(KERN_ERR "gusmax: unable to grab IRQ %d\n", xirq);
298 if ((err = snd_cs4231_create(card,
299 gus->gf1.port + 0x10c, -1, xirq,
300 xdma2 < 0 ? xdma1 : xdma2, xdma1,
303 CS4231_HWSHARE_DMA1 |
309 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) {
313 if ((err = snd_cs4231_mixer(cs4231)) < 0) {
317 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) {
321 if (pcm_channels[dev] > 0) {
322 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) {
327 if ((err = snd_gusmax_mixer(cs4231)) < 0) {
332 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
337 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
339 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
340 if ((err = snd_card_register(card)) < 0) {
346 maxcard->cs4231 = cs4231;
347 snd_gusmax_cards[dev] = card;
351 static int __init snd_gusmax_legacy_auto_probe(unsigned long xport)
356 for ( ; dev < SNDRV_CARDS; dev++) {
357 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
360 res = snd_gusmax_probe(dev);
362 port[dev] = SNDRV_AUTO_PORT;
368 static int __init alsa_card_gusmax_init(void)
370 static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
373 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
374 if (port[dev] == SNDRV_AUTO_PORT)
376 if (snd_gusmax_probe(dev) >= 0)
379 i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
385 printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
392 static void __exit alsa_card_gusmax_exit(void)
396 for (idx = 0; idx < SNDRV_CARDS; idx++)
397 snd_card_free(snd_gusmax_cards[idx]);
400 module_init(alsa_card_gusmax_init)
401 module_exit(alsa_card_gusmax_exit)