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_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");
40 static int index
[SNDRV_CARDS
] = SNDRV_DEFAULT_IDX
; /* Index 0-MAX */
41 static char *id
[SNDRV_CARDS
] = SNDRV_DEFAULT_STR
; /* ID for this card */
42 static int enable
[SNDRV_CARDS
] = SNDRV_DEFAULT_ENABLE
; /* Enable this card */
43 static long port
[SNDRV_CARDS
] = SNDRV_DEFAULT_PORT
; /* 0x220,0x230,0x240,0x250,0x260 */
44 static int irq
[SNDRV_CARDS
] = SNDRV_DEFAULT_IRQ
; /* 3,5,9,11,12,15 */
45 static int dma1
[SNDRV_CARDS
] = SNDRV_DEFAULT_DMA
; /* 1,3,5,6,7 */
46 static int dma2
[SNDRV_CARDS
] = SNDRV_DEFAULT_DMA
; /* 1,3,5,6,7 */
47 static int joystick_dac
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
- 1)] = 29};
48 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
49 static int channels
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
- 1)] = 24};
50 static int pcm_channels
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
- 1)] = 2};
52 module_param_array(index
, int, NULL
, 0444);
53 MODULE_PARM_DESC(index
, "Index value for GUS Classic soundcard.");
54 module_param_array(id
, charp
, NULL
, 0444);
55 MODULE_PARM_DESC(id
, "ID string for GUS Classic soundcard.");
56 module_param_array(enable
, bool, NULL
, 0444);
57 MODULE_PARM_DESC(enable
, "Enable GUS Classic soundcard.");
58 module_param_array(port
, long, NULL
, 0444);
59 MODULE_PARM_DESC(port
, "Port # for GUS Classic driver.");
60 module_param_array(irq
, int, NULL
, 0444);
61 MODULE_PARM_DESC(irq
, "IRQ # for GUS Classic driver.");
62 module_param_array(dma1
, int, NULL
, 0444);
63 MODULE_PARM_DESC(dma1
, "DMA1 # for GUS Classic driver.");
64 module_param_array(dma2
, int, NULL
, 0444);
65 MODULE_PARM_DESC(dma2
, "DMA2 # for GUS Classic driver.");
66 module_param_array(joystick_dac
, int, NULL
, 0444);
67 MODULE_PARM_DESC(joystick_dac
, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver.");
68 module_param_array(channels
, int, NULL
, 0444);
69 MODULE_PARM_DESC(channels
, "GF1 channels for GUS Classic driver.");
70 module_param_array(pcm_channels
, int, NULL
, 0444);
71 MODULE_PARM_DESC(pcm_channels
, "Reserved PCM channels for GUS Classic driver.");
73 static struct snd_card
*snd_gusclassic_cards
[SNDRV_CARDS
] = SNDRV_DEFAULT_PTR
;
75 #define PFX "gusclassic: "
77 static int __init
snd_gusclassic_detect(struct snd_gus_card
* gus
)
81 snd_gf1_i_write8(gus
, SNDRV_GF1_GB_RESET
, 0); /* reset GF1 */
82 if (((d
= snd_gf1_i_look8(gus
, SNDRV_GF1_GB_RESET
)) & 0x07) != 0) {
83 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus
->gf1
.port
, d
);
87 snd_gf1_i_write8(gus
, SNDRV_GF1_GB_RESET
, 1); /* release reset */
89 if (((d
= snd_gf1_i_look8(gus
, SNDRV_GF1_GB_RESET
)) & 0x07) != 1) {
90 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus
->gf1
.port
, d
);
96 static void __init
snd_gusclassic_init(int dev
, struct snd_gus_card
* gus
)
101 gus
->joystick_dac
= joystick_dac
[dev
];
104 static int __init
snd_gusclassic_probe(int dev
)
106 static int possible_irqs
[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
107 static int possible_dmas
[] = {5, 6, 7, 1, 3, -1};
108 int xirq
, xdma1
, xdma2
;
109 struct snd_card
*card
;
110 struct snd_gusclassic
*guscard
;
111 struct snd_gus_card
*gus
= NULL
;
114 card
= snd_card_new(index
[dev
], id
[dev
], THIS_MODULE
, 0);
117 guscard
= (struct snd_gusclassic
*)card
->private_data
;
118 if (pcm_channels
[dev
] < 2)
119 pcm_channels
[dev
] = 2;
122 if (xirq
== SNDRV_AUTO_IRQ
) {
123 if ((xirq
= snd_legacy_find_free_irq(possible_irqs
)) < 0) {
124 snd_printk(KERN_ERR PFX
"unable to find a free IRQ\n");
130 if (xdma1
== SNDRV_AUTO_DMA
) {
131 if ((xdma1
= snd_legacy_find_free_dma(possible_dmas
)) < 0) {
132 snd_printk(KERN_ERR PFX
"unable to find a free DMA1\n");
138 if (xdma2
== SNDRV_AUTO_DMA
) {
139 if ((xdma2
= snd_legacy_find_free_dma(possible_dmas
)) < 0) {
140 snd_printk(KERN_ERR PFX
"unable to find a free DMA2\n");
147 if ((err
= snd_gus_create(card
,
150 0, channels
[dev
], pcm_channels
[dev
],
154 if ((err
= snd_gusclassic_detect(gus
)) < 0)
157 snd_gusclassic_init(dev
, gus
);
158 if ((err
= snd_gus_initialize(gus
)) < 0)
161 if (gus
->max_flag
|| gus
->ess_flag
) {
162 snd_printk(KERN_ERR PFX
"GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus
->gf1
.port
);
167 if ((err
= snd_gf1_new_mixer(gus
)) < 0)
170 if ((err
= snd_gf1_pcm_new(gus
, 0, 0, NULL
)) < 0)
173 if (!gus
->ace_flag
) {
174 if ((err
= snd_gf1_rawmidi_new(gus
, 0, NULL
)) < 0)
177 sprintf(card
->longname
+ strlen(card
->longname
), " at 0x%lx, irq %d, dma %d", gus
->gf1
.port
, xirq
, xdma1
);
179 sprintf(card
->longname
+ strlen(card
->longname
), "&%d", xdma2
);
181 if ((err
= snd_card_set_generic_dev(card
)) < 0)
184 if ((err
= snd_card_register(card
)) < 0)
187 snd_gusclassic_cards
[dev
] = card
;
195 static int __init
snd_gusclassic_legacy_auto_probe(unsigned long xport
)
200 for ( ; dev
< SNDRV_CARDS
; dev
++) {
201 if (!enable
[dev
] || port
[dev
] != SNDRV_AUTO_PORT
)
204 res
= snd_gusclassic_probe(dev
);
206 port
[dev
] = SNDRV_AUTO_PORT
;
212 static int __init
alsa_card_gusclassic_init(void)
214 static unsigned long possible_ports
[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
217 for (dev
= cards
= 0; dev
< SNDRV_CARDS
&& enable
[dev
]; dev
++) {
218 if (port
[dev
] == SNDRV_AUTO_PORT
)
220 if (snd_gusclassic_probe(dev
) >= 0)
223 i
= snd_legacy_auto_probe(possible_ports
, snd_gusclassic_legacy_auto_probe
);
229 printk(KERN_ERR
"GUS Classic soundcard not found or device busy\n");
236 static void __exit
alsa_card_gusclassic_exit(void)
240 for (idx
= 0; idx
< SNDRV_CARDS
; idx
++)
241 snd_card_free(snd_gusclassic_cards
[idx
]);
244 module_init(alsa_card_gusclassic_init
)
245 module_exit(alsa_card_gusclassic_exit
)