1 /*
2 * Driver for generic ESS AudioDrive ESx688 soundcards
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 <linux/init.h>
23 #include <linux/err.h>
24 #include <linux/isa.h>
25 #include <linux/time.h>
26 #include <linux/wait.h>
27 #include <linux/moduleparam.h>
28 #include <asm/dma.h>
29 #include <sound/core.h>
30 #include <sound/es1688.h>
31 #include <sound/mpu401.h>
32 #include <sound/opl3.h>
33 #define SNDRV_LEGACY_FIND_FREE_IRQ
34 #define SNDRV_LEGACY_FIND_FREE_DMA
35 #include <sound/initval.h>
36
37 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
38 #define DEV_NAME "es1688"
39
40 MODULE_DESCRIPTION(CRD_NAME);
41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
42 MODULE_LICENSE("GPL");
43 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
44 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
45 "{ESS,ES688 AudioDrive,pnp:ESS6881},"
46 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
47
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
51 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
52 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */
53 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
54 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
55 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
56 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
57
58 module_param_array(index, int, NULL, 0444);
59 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
60 module_param_array(id, charp, NULL, 0444);
61 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
62 module_param_array(enable, bool, NULL, 0444);
63 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
64 module_param_array(port, long, NULL, 0444);
65 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
66 module_param_array(mpu_port, long, NULL, 0444);
67 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
68 module_param_array(irq, int, NULL, 0444);
69 module_param_array(fm_port, long, NULL, 0444);
70 MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
71 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
72 module_param_array(mpu_irq, int, NULL, 0444);
73 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
74 module_param_array(dma8, int, NULL, 0444);
75 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
76
77 static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
78 {
79 return enable[n];
80 }
81
82 static int __devinit snd_es1688_legacy_create(struct snd_card *card,
83 struct device *dev, unsigned int n, struct snd_es1688 **rchip)
84 {
85 static long possible_ports[] = {0x220, 0x240, 0x260};
86 static int possible_irqs[] = {5, 9, 10, 7, -1};
87 static int possible_dmas[] = {1, 3, 0, -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 dev_err(dev, "unable to find a free IRQ\n");
95 return -EBUSY;
96 }
97 }
98 if (dma8[n] == SNDRV_AUTO_DMA) {
99 dma8[n] = snd_legacy_find_free_dma(possible_dmas);
100 if (dma8[n] < 0) {
101 dev_err(dev, "unable to find a free DMA\n");
102 return -EBUSY;
103 }
104 }
105
106 if (port[n] != SNDRV_AUTO_PORT)
107 return snd_es1688_create(card, port[n], mpu_port[n], irq[n],
108 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
109
110 i = 0;
111 do {
112 port[n] = possible_ports[i];
113 error = snd_es1688_create(card, port[n], mpu_port[n], irq[n],
114 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
115 } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
116
117 return error;
118 }
119
120 static int __devinit snd_es1688_probe(struct device *dev, unsigned int n)
121 {
122 struct snd_card *card;
123 struct snd_es1688 *chip;
124 struct snd_opl3 *opl3;
125 struct snd_pcm *pcm;
126 int error;
127
128 error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
129 if (error < 0)
130 return error;
131
132 error = snd_es1688_legacy_create(card, dev, n, &chip);
133 if (error < 0)
134 goto out;
135
136 error = snd_es1688_pcm(chip, 0, &pcm);
137 if (error < 0)
138 goto out;
139
140 error = snd_es1688_mixer(chip);
141 if (error < 0)
142 goto out;
143
144 strcpy(card->driver, "ES1688");
145 strcpy(card->shortname, pcm->name);
146 sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name,
147 chip->port, chip->irq, chip->dma8);
148
149 if (fm_port[n] == SNDRV_AUTO_PORT)
150 fm_port[n] = port[n]; /* share the same port */
151
152 if (fm_port[n] > 0) {
153 if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
154 OPL3_HW_OPL3, 0, &opl3) < 0)
155 dev_warn(dev,
156 "opl3 not detected at 0x%lx\n", fm_port[n]);
157 else {
158 error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
159 if (error < 0)
160 goto out;
161 }
162 }
163
164 if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
165 chip->mpu_port > 0) {
166 error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
167 chip->mpu_port, 0,
168 mpu_irq[n], IRQF_DISABLED, NULL);
169 if (error < 0)
170 goto out;
171 }
172
173 snd_card_set_dev(card, dev);
174
175 error = snd_card_register(card);
176 if (error < 0)
177 goto out;
178
179 dev_set_drvdata(dev, card);
180 return 0;
181
182 out: snd_card_free(card);
183 return error;
184 }
185
186 static int __devexit snd_es1688_remove(struct device *dev, unsigned int n)
187 {
188 snd_card_free(dev_get_drvdata(dev));
189 dev_set_drvdata(dev, NULL);
190 return 0;
191 }
192
193 static struct isa_driver snd_es1688_driver = {
194 .match = snd_es1688_match,
195 .probe = snd_es1688_probe,
196 .remove = __devexit_p(snd_es1688_remove),
197 #if 0 /* FIXME */
198 .suspend = snd_es1688_suspend,
199 .resume = snd_es1688_resume,
200 #endif
201 .driver = {
202 .name = DEV_NAME
203 }
204 };
205
206 static int __init alsa_card_es1688_init(void)
207 {
208 return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
209 }
210
211 static void __exit alsa_card_es1688_exit(void)
212 {
213 isa_unregister_driver(&snd_es1688_driver);
214 }
215
216 module_init(alsa_card_es1688_init);
217 module_exit(alsa_card_es1688_exit);
218
|
This page was automatically generated by the
LXR engine.
|