2 * Driver for Gravis UltraSound Classic 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 #define SNDRV_LEGACY_AUTO_PROBE
31 #define SNDRV_LEGACY_FIND_FREE_IRQ
32 #define SNDRV_LEGACY_FIND_FREE_DMA
33 #include <sound/initval.h>
35 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
36 MODULE_DESCRIPTION("Gravis UltraSound Classic");
37 MODULE_LICENSE("GPL");
38 MODULE_CLASSES("{sound}");
39 MODULE_DEVICES("{{Gravis,UltraSound Classic}}");
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; /* 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 Classic soundcard.");
56 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
57 module_param_array(id, charp, boot_devs, 0444);
58 MODULE_PARM_DESC(id, "ID string for GUS Classic soundcard.");
59 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
60 module_param_array(enable, bool, boot_devs, 0444);
61 MODULE_PARM_DESC(enable, "Enable GUS Classic soundcard.");
62 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
63 module_param_array(port, long, boot_devs, 0444);
64 MODULE_PARM_DESC(port, "Port # for GUS Classic driver.");
65 MODULE_PARM_SYNTAX(port, SNDRV_ENABLED ",allows:{{0x220,0x260,0x10}},dialog:list");
66 module_param_array(irq, int, boot_devs, 0444);
67 MODULE_PARM_DESC(irq, "IRQ # for GUS Classic driver.");
68 MODULE_PARM_SYNTAX(irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list");
69 module_param_array(dma1, int, boot_devs, 0444);
70 MODULE_PARM_DESC(dma1, "DMA1 # for GUS Classic driver.");
71 MODULE_PARM_SYNTAX(dma1, SNDRV_ENABLED ",allows:{{1},{3},{5},{6},{7}},dialog:list");
72 module_param_array(dma2, int, boot_devs, 0444);
73 MODULE_PARM_DESC(dma2, "DMA2 # for GUS Classic driver.");
74 MODULE_PARM_SYNTAX(dma2, SNDRV_ENABLED ",allows:{{1},{3},{5},{6},{7}},dialog:list");
75 module_param_array(joystick_dac, int, boot_devs, 0444);
76 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver.");
77 MODULE_PARM_SYNTAX(joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}");
78 module_param_array(channels, int, boot_devs, 0444);
79 MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver.");
80 MODULE_PARM_SYNTAX(channels, SNDRV_ENABLED ",allows:{{14,32}}");
81 module_param_array(pcm_channels, int, boot_devs, 0444);
82 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver.");
83 MODULE_PARM_SYNTAX(pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}");
85 static snd_card_t *snd_gusclassic_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
88 static int __init snd_gusclassic_detect(snd_gus_card_t * gus)
90 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
91 #ifdef CONFIG_SND_DEBUG_DETECT
95 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
96 snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
101 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
105 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
107 #ifdef CONFIG_SND_DEBUG_DETECT
111 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
112 snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
117 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
124 static void __init snd_gusclassic_init(int dev, snd_gus_card_t * gus)
129 gus->joystick_dac = joystick_dac[dev];
132 static int __init snd_gusclassic_probe(int dev)
134 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
135 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
136 int xirq, xdma1, xdma2;
138 struct snd_gusclassic *guscard;
139 snd_gus_card_t *gus = NULL;
142 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
145 guscard = (struct snd_gusclassic *)card->private_data;
146 if (pcm_channels[dev] < 2)
147 pcm_channels[dev] = 2;
150 if (xirq == SNDRV_AUTO_IRQ) {
151 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
153 snd_printk("unable to find a free IRQ\n");
158 if (xdma1 == SNDRV_AUTO_DMA) {
159 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
161 snd_printk("unable to find a free DMA1\n");
166 if (xdma2 == SNDRV_AUTO_DMA) {
167 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
169 snd_printk("unable to find a free DMA2\n");
175 if ((err = snd_gus_create(card,
178 0, channels[dev], pcm_channels[dev],
183 if ((err = snd_gusclassic_detect(gus)) < 0) {
187 snd_gusclassic_init(dev, gus);
188 if ((err = snd_gus_initialize(gus)) < 0) {
192 if (gus->max_flag || gus->ess_flag) {
193 snd_printdd("GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus->gf1.port);
197 if ((err = snd_gf1_new_mixer(gus)) < 0) {
201 if ((err = snd_gf1_pcm_new(gus, 0, 0, NULL)) < 0) {
205 if (!gus->ace_flag) {
206 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
211 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %d, dma %d", gus->gf1.port, xirq, xdma1);
213 sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
214 if ((err = snd_card_register(card)) < 0) {
218 snd_gusclassic_cards[dev] = card;
222 static int __init snd_gusclassic_legacy_auto_probe(unsigned long xport)
227 for ( ; dev < SNDRV_CARDS; dev++) {
228 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
231 res = snd_gusclassic_probe(dev);
233 port[dev] = SNDRV_AUTO_PORT;
239 static int __init alsa_card_gusclassic_init(void)
241 static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
244 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
245 if (port[dev] == SNDRV_AUTO_PORT)
247 if (snd_gusclassic_probe(dev) >= 0)
250 i = snd_legacy_auto_probe(possible_ports, snd_gusclassic_legacy_auto_probe);
256 printk(KERN_ERR "GUS Classic soundcard not found or device busy\n");
263 static void __exit alsa_card_gusclassic_exit(void)
267 for (idx = 0; idx < SNDRV_CARDS; idx++)
268 snd_card_free(snd_gusclassic_cards[idx]);
271 module_init(alsa_card_gusclassic_init)
272 module_exit(alsa_card_gusclassic_exit)