2 * Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
3 * Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
4 * Jaroslav Kysela <perex@suse.cz>
5 * Based on card-4232.c by Jaroslav Kysela <perex@suse.cz>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <sound/driver.h>
25 #include <linux/init.h>
26 #include <linux/time.h>
27 #include <linux/wait.h>
28 #include <sound/core.h>
29 #include <sound/ad1848.h>
31 #include <sound/initval.h>
33 #define chip_t ad1848_t
35 MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@suse.cz>");
36 MODULE_DESCRIPTION("AD1848/AD1847/CS4248");
37 MODULE_LICENSE("GPL");
38 MODULE_CLASSES("{sound}");
39 MODULE_DEVICES("{{Analog Devices,AD1848},"
40 "{Analog Devices,AD1847},"
41 "{Crystal Semiconductors,CS4248}}");
43 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
44 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
45 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
46 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
47 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
48 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
49 static int thinkpad[SNDRV_CARDS]; /* Thinkpad special case */
51 MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
52 MODULE_PARM_DESC(index, "Index value for AD1848 soundcard.");
53 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
54 MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
55 MODULE_PARM_DESC(id, "ID string for AD1848 soundcard.");
56 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
57 MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
58 MODULE_PARM_DESC(enable, "Enable AD1848 soundcard.");
59 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
60 MODULE_PARM(port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
61 MODULE_PARM_DESC(port, "Port # for AD1848 driver.");
62 MODULE_PARM_SYNTAX(port, SNDRV_PORT12_DESC);
63 MODULE_PARM(irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
64 MODULE_PARM_DESC(irq, "IRQ # for AD1848 driver.");
65 MODULE_PARM_SYNTAX(irq, SNDRV_IRQ_DESC);
66 MODULE_PARM(dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
67 MODULE_PARM_DESC(dma1, "DMA1 # for AD1848 driver.");
68 MODULE_PARM_SYNTAX(dma1, SNDRV_DMA_DESC);
69 MODULE_PARM(thinkpad, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
70 MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
71 MODULE_PARM_SYNTAX(thinkpad, SNDRV_ENABLED "," SNDRV_BOOLEAN_FALSE_DESC);
73 static snd_card_t *snd_ad1848_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
76 static int __init snd_card_ad1848_probe(int dev)
83 if (port[dev] == SNDRV_AUTO_PORT) {
84 snd_printk(KERN_ERR "ad1848: specify port\n");
87 if (irq[dev] == SNDRV_AUTO_IRQ) {
88 snd_printk(KERN_ERR "ad1848: specify irq\n");
91 if (dma1[dev] == SNDRV_AUTO_DMA) {
92 snd_printk(KERN_ERR "ad1848: specify dma1\n");
96 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
100 if ((err = snd_ad1848_create(card, port[dev],
103 thinkpad[dev] ? AD1848_HW_THINKPAD : AD1848_HW_DETECT,
109 if ((err = snd_ad1848_pcm(chip, 0, &pcm)) < 0) {
113 if ((err = snd_ad1848_mixer(chip)) < 0) {
117 strcpy(card->driver, "AD1848");
118 strcpy(card->shortname, pcm->name);
120 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
121 pcm->name, chip->port, irq[dev], dma1[dev]);
124 strcat(card->longname, " [Thinkpad]");
127 if ((err = snd_card_register(card)) < 0) {
131 snd_ad1848_cards[dev] = card;
135 static int __init alsa_card_ad1848_init(void)
139 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++)
140 if (snd_card_ad1848_probe(dev) >= 0)
145 printk(KERN_ERR "AD1848 soundcard not found or device busy\n");
152 static void __exit alsa_card_ad1848_exit(void)
156 for (idx = 0; idx < SNDRV_CARDS; idx++)
157 snd_card_free(snd_ad1848_cards[idx]);
160 module_init(alsa_card_ad1848_init)
161 module_exit(alsa_card_ad1848_exit)
165 /* format is: snd-ad1848=enable,index,id,port,
168 static int __init alsa_card_ad1848_setup(char *str)
170 static unsigned __initdata nr_dev = 0;
172 if (nr_dev >= SNDRV_CARDS)
174 (void)(get_option(&str,&enable[nr_dev]) == 2 &&
175 get_option(&str,&index[nr_dev]) == 2 &&
176 get_id(&str,&id[nr_dev]) == 2 &&
177 get_option_long(&str,&port[nr_dev]) == 2 &&
178 get_option(&str,&irq[nr_dev]) == 2 &&
179 get_option(&str,&dma1[nr_dev]) == 2 &&
180 get_option(&str,&thinkpad[nr_dev]) == 2);
185 __setup("snd-ad1848=", alsa_card_ad1848_setup);
187 #endif /* ifndef MODULE */