1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/*
* Driver for Gravis UltraSound Classic soundcard
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/delay.h>
#include <linux/time.h>
#include <linux/moduleparam.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/gus.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>
#define CRD_NAME "Gravis UltraSound Classic"
#define DEV_NAME "gusclassic"
MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 3,5,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
module_param_array(joystick_dac, int, NULL, 0444);
MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
module_param_array(channels, int, NULL, 0444);
MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
module_param_array(pcm_channels, int, NULL, 0444);
MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
static int __devinit snd_gusclassic_match(struct device *dev, unsigned int n)
{
return enable[n];
}
static int __devinit snd_gusclassic_create(struct snd_card *card,
struct device *dev, unsigned int n, struct snd_gus_card **rgus)
{
static long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260};
static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
int i, error;
if (irq[n] == SNDRV_AUTO_IRQ) {
irq[n] = snd_legacy_find_free_irq(possible_irqs);
if (irq[n] < 0) {
dev_err(dev, "unable to find a free IRQ\n");
return -EBUSY;
}
}
if (dma1[n] == SNDRV_AUTO_DMA) {
dma1[n] = snd_legacy_find_free_dma(possible_dmas);
if (dma1[n] < 0) {
dev_err(dev, "unable to find a free DMA1\n");
return -EBUSY;
}
}
if (dma2[n] == SNDRV_AUTO_DMA) {
dma2[n] = snd_legacy_find_free_dma(possible_dmas);
if (dma2[n] < 0) {
dev_err(dev, "unable to find a free DMA2\n");
return -EBUSY;
}
}
if (port[n] != SNDRV_AUTO_PORT)
return snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
0, channels[n], pcm_channels[n], 0, rgus);
i = 0;
do {
port[n] = possible_ports[i];
error = snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
0, channels[n], pcm_channels[n], 0, rgus);
} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
return error;
}
static int __devinit snd_gusclassic_detect(struct snd_gus_card *gus)
{
unsigned char d;
snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
return -ENODEV;
}
udelay(160);
snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
udelay(160);
if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
return -ENODEV;
}
return 0;
}
static int __devinit snd_gusclassic_probe(struct device *dev, unsigned int n)
{
struct snd_card *card;
struct snd_gus_card *gus;
int error;
error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
if (error < 0)
return error;
if (pcm_channels[n] < 2)
pcm_channels[n] = 2;
error = snd_gusclassic_create(card, dev, n, &gus);
if (error < 0)
goto out;
error = snd_gusclassic_detect(gus);
if (error < 0)
goto out;
gus->joystick_dac = joystick_dac[n];
error = snd_gus_initialize(gus);
if (error < 0)
goto out;
error = -ENODEV;
if (gus->max_flag || gus->ess_flag) {
dev_err(dev, "GUS Classic or ACE soundcard was "
"not detected at 0x%lx\n", gus->gf1.port);
goto out;
}
error = snd_gf1_new_mixer(gus);
if (error < 0)
goto out;
error = snd_gf1_pcm_new(gus, 0, 0, NULL);
if (error < 0)
goto out;
if (!gus->ace_flag) {
error = snd_gf1_rawmidi_new(gus, 0, NULL);
if (error < 0)
goto out;
}
sprintf(card->longname + strlen(card->longname),
" at 0x%lx, irq %d, dma %d",
gus->gf1.port, gus->gf1.irq, gus->gf1.dma1);
if (gus->gf1.dma2 >= 0)
sprintf(card->longname + strlen(card->longname),
"&%d", gus->gf1.dma2);
snd_card_set_dev(card, dev);
error = snd_card_register(card);
if (error < 0)
goto out;
dev_set_drvdata(dev, card);
return 0;
out: snd_card_free(card);
return error;
}
static int __devexit snd_gusclassic_remove(struct device *dev, unsigned int n)
{
snd_card_free(dev_get_drvdata(dev));
dev_set_drvdata(dev, NULL);
return 0;
}
static struct isa_driver snd_gusclassic_driver = {
.match = snd_gusclassic_match,
.probe = snd_gusclassic_probe,
.remove = __devexit_p(snd_gusclassic_remove),
#if 0 /* FIXME */
.suspend = snd_gusclassic_suspend,
.remove = snd_gusclassic_remove,
#endif
.driver = {
.name = DEV_NAME
}
};
static int __init alsa_card_gusclassic_init(void)
{
return isa_register_driver(&snd_gusclassic_driver, SNDRV_CARDS);
}
static void __exit alsa_card_gusclassic_exit(void)
{
isa_unregister_driver(&snd_gusclassic_driver);
}
module_init(alsa_card_gusclassic_init);
module_exit(alsa_card_gusclassic_exit);
|
