[ALSA] Changed Jaroslav Kysela's e-mail from perex@suse.cz to perex@perex.cz
[linux-2.6.git] / sound / isa / gus / gusclassic.c
1 /*
2  *  Driver for Gravis UltraSound Classic soundcard
3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4  *
5  *
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.
10  *
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.
15  *
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
19  *
20  */
21
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/err.h>
25 #include <linux/isa.h>
26 #include <linux/delay.h>
27 #include <linux/time.h>
28 #include <linux/moduleparam.h>
29 #include <asm/dma.h>
30 #include <sound/core.h>
31 #include <sound/gus.h>
32 #define SNDRV_LEGACY_FIND_FREE_IRQ
33 #define SNDRV_LEGACY_FIND_FREE_DMA
34 #include <sound/initval.h>
35
36 #define CRD_NAME "Gravis UltraSound Classic"
37 #define DEV_NAME "gusclassic"
38
39 MODULE_DESCRIPTION(CRD_NAME);
40 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
41 MODULE_LICENSE("GPL");
42 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");
43
44 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
45 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
46 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
47 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x230,0x240,0x250,0x260 */
48 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 3,5,9,11,12,15 */
49 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 1,3,5,6,7 */
50 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 1,3,5,6,7 */
51 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
52                                 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
53 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
54 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
55
56 module_param_array(index, int, NULL, 0444);
57 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
58 module_param_array(id, charp, NULL, 0444);
59 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
60 module_param_array(enable, bool, NULL, 0444);
61 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
62 module_param_array(port, long, NULL, 0444);
63 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
64 module_param_array(irq, int, NULL, 0444);
65 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
66 module_param_array(dma1, int, NULL, 0444);
67 MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
68 module_param_array(dma2, int, NULL, 0444);
69 MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
70 module_param_array(joystick_dac, int, NULL, 0444);
71 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
72 module_param_array(channels, int, NULL, 0444);
73 MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
74 module_param_array(pcm_channels, int, NULL, 0444);
75 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
76
77 static int __devinit snd_gusclassic_match(struct device *dev, unsigned int n)
78 {
79         return enable[n];
80 }
81
82 static int __devinit snd_gusclassic_create(struct snd_card *card,
83                 struct device *dev, unsigned int n, struct snd_gus_card **rgus)
84 {
85         static long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260};
86         static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
87         static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
88
89         int i, error;
90
91         if (irq[n] == SNDRV_AUTO_IRQ) {
92                 irq[n] = snd_legacy_find_free_irq(possible_irqs);
93                 if (irq[n] < 0) {
94                         snd_printk(KERN_ERR "%s: unable to find a free IRQ\n",
95                                 dev->bus_id);
96                         return -EBUSY;
97                 }
98         }
99         if (dma1[n] == SNDRV_AUTO_DMA) {
100                 dma1[n] = snd_legacy_find_free_dma(possible_dmas);
101                 if (dma1[n] < 0) {
102                         snd_printk(KERN_ERR "%s: unable to find a free DMA1\n",
103                                 dev->bus_id);
104                         return -EBUSY;
105                 }
106         }
107         if (dma2[n] == SNDRV_AUTO_DMA) {
108                 dma2[n] = snd_legacy_find_free_dma(possible_dmas);
109                 if (dma2[n] < 0) {
110                         snd_printk(KERN_ERR "%s: unable to find a free DMA2\n",
111                                 dev->bus_id);
112                         return -EBUSY;
113                 }
114         }
115
116         if (port[n] != SNDRV_AUTO_PORT)
117                 return snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
118                                 0, channels[n], pcm_channels[n], 0, rgus);
119
120         i = 0;
121         do {
122                 port[n] = possible_ports[i];
123                 error = snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
124                                 0, channels[n], pcm_channels[n], 0, rgus);
125         } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
126
127         return error;
128 }
129
130 static int __devinit snd_gusclassic_detect(struct snd_gus_card *gus)
131 {
132         unsigned char d;
133
134         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);   /* reset GF1 */
135         if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
136                 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
137                 return -ENODEV;
138         }
139         udelay(160);
140         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);   /* release reset */
141         udelay(160);
142         if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
143                 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
144                 return -ENODEV;
145         }
146         return 0;
147 }
148
149 static int __devinit snd_gusclassic_probe(struct device *dev, unsigned int n)
150 {
151         struct snd_card *card;
152         struct snd_gus_card *gus;
153         int error;
154
155         card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
156         if (!card)
157                 return -EINVAL;
158
159         if (pcm_channels[n] < 2)
160                 pcm_channels[n] = 2;
161
162         error = snd_gusclassic_create(card, dev, n, &gus);
163         if (error < 0)
164                 goto out;
165
166         error = snd_gusclassic_detect(gus);
167         if (error < 0)
168                 goto out;
169
170         gus->joystick_dac = joystick_dac[n];
171
172         error = snd_gus_initialize(gus);
173         if (error < 0)
174                 goto out;
175
176         error = -ENODEV;
177         if (gus->max_flag || gus->ess_flag) {
178                 snd_printk(KERN_ERR "%s: GUS Classic or ACE soundcard was "
179                         "not detected at 0x%lx\n", dev->bus_id, gus->gf1.port);
180                 goto out;
181         }
182
183         error = snd_gf1_new_mixer(gus);
184         if (error < 0)
185                 goto out;
186
187         error = snd_gf1_pcm_new(gus, 0, 0, NULL);
188         if (error < 0)
189                 goto out;
190
191         if (!gus->ace_flag) {
192                 error = snd_gf1_rawmidi_new(gus, 0, NULL);
193                 if (error < 0)
194                         goto out;
195         }
196
197         sprintf(card->longname + strlen(card->longname),
198                 " at 0x%lx, irq %d, dma %d",
199                 gus->gf1.port, gus->gf1.irq, gus->gf1.dma1);
200
201         if (gus->gf1.dma2 >= 0)
202                 sprintf(card->longname + strlen(card->longname),
203                         "&%d", gus->gf1.dma2);
204
205         snd_card_set_dev(card, dev);
206
207         error = snd_card_register(card);
208         if (error < 0)
209                 goto out;
210
211         dev_set_drvdata(dev, card);
212         return 0;
213
214 out:    snd_card_free(card);
215         return error;
216 }
217
218 static int __devexit snd_gusclassic_remove(struct device *dev, unsigned int n)
219 {
220         snd_card_free(dev_get_drvdata(dev));
221         dev_set_drvdata(dev, NULL);
222         return 0;
223 }
224
225 static struct isa_driver snd_gusclassic_driver = {
226         .match          = snd_gusclassic_match,
227         .probe          = snd_gusclassic_probe,
228         .remove         = __devexit_p(snd_gusclassic_remove),
229 #if 0   /* FIXME */
230         .suspend        = snd_gusclassic_suspend,
231         .remove         = snd_gusclassic_remove,
232 #endif
233         .driver         = {
234                 .name   = DEV_NAME
235         }
236 };
237
238 static int __init alsa_card_gusclassic_init(void)
239 {
240         return isa_register_driver(&snd_gusclassic_driver, SNDRV_CARDS);
241 }
242
243 static void __exit alsa_card_gusclassic_exit(void)
244 {
245         isa_unregister_driver(&snd_gusclassic_driver);
246 }
247
248 module_init(alsa_card_gusclassic_init);
249 module_exit(alsa_card_gusclassic_exit);