Commit | Line | Data |
---|---|---|
cf40a310 RH |
1 | /* |
2 | * AdLib FM card driver. | |
3 | */ | |
4 | ||
5 | #include <sound/driver.h> | |
6 | #include <linux/kernel.h> | |
7 | #include <linux/module.h> | |
ab7942b2 | 8 | #include <linux/isa.h> |
cf40a310 RH |
9 | #include <sound/core.h> |
10 | #include <sound/initval.h> | |
11 | #include <sound/opl3.h> | |
12 | ||
13 | #define CRD_NAME "AdLib FM" | |
ab7942b2 | 14 | #define DEV_NAME "adlib" |
cf40a310 RH |
15 | |
16 | MODULE_DESCRIPTION(CRD_NAME); | |
17 | MODULE_AUTHOR("Rene Herman"); | |
18 | MODULE_LICENSE("GPL"); | |
19 | ||
20 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
21 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
22 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; | |
23 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; | |
24 | ||
25 | module_param_array(index, int, NULL, 0444); | |
26 | MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); | |
27 | module_param_array(id, charp, NULL, 0444); | |
28 | MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); | |
29 | module_param_array(enable, bool, NULL, 0444); | |
30 | MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); | |
31 | module_param_array(port, long, NULL, 0444); | |
32 | MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); | |
33 | ||
ab7942b2 RH |
34 | static int __devinit snd_adlib_match(struct device *dev, unsigned int n) |
35 | { | |
36 | if (!enable[n]) | |
37 | return 0; | |
38 | ||
39 | if (port[n] == SNDRV_AUTO_PORT) { | |
40 | snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id); | |
41 | return 0; | |
42 | } | |
43 | return 1; | |
44 | } | |
cf40a310 RH |
45 | |
46 | static void snd_adlib_free(struct snd_card *card) | |
47 | { | |
48 | release_and_free_resource(card->private_data); | |
49 | } | |
50 | ||
ab7942b2 | 51 | static int __devinit snd_adlib_probe(struct device *dev, unsigned int n) |
cf40a310 RH |
52 | { |
53 | struct snd_card *card; | |
54 | struct snd_opl3 *opl3; | |
ab7942b2 | 55 | int error; |
cf40a310 | 56 | |
ab7942b2 | 57 | card = snd_card_new(index[n], id[n], THIS_MODULE, 0); |
cf40a310 | 58 | if (!card) { |
ab7942b2 RH |
59 | snd_printk(KERN_ERR "%s: could not create card\n", dev->bus_id); |
60 | return -EINVAL; | |
cf40a310 RH |
61 | } |
62 | ||
ab7942b2 | 63 | card->private_data = request_region(port[n], 4, CRD_NAME); |
cf40a310 | 64 | if (!card->private_data) { |
ab7942b2 | 65 | snd_printk(KERN_ERR "%s: could not grab ports\n", dev->bus_id); |
cf40a310 | 66 | error = -EBUSY; |
ab7942b2 | 67 | goto out; |
cf40a310 RH |
68 | } |
69 | card->private_free = snd_adlib_free; | |
70 | ||
ab7942b2 RH |
71 | strcpy(card->driver, DEV_NAME); |
72 | strcpy(card->shortname, CRD_NAME); | |
73 | sprintf(card->longname, CRD_NAME " at %#lx", port[n]); | |
74 | ||
75 | error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3); | |
cf40a310 | 76 | if (error < 0) { |
ab7942b2 RH |
77 | snd_printk(KERN_ERR "%s: could not create OPL\n", dev->bus_id); |
78 | goto out; | |
cf40a310 RH |
79 | } |
80 | ||
81 | error = snd_opl3_hwdep_new(opl3, 0, 0, NULL); | |
82 | if (error < 0) { | |
ab7942b2 RH |
83 | snd_printk(KERN_ERR "%s: could not create FM\n", dev->bus_id); |
84 | goto out; | |
cf40a310 RH |
85 | } |
86 | ||
ab7942b2 | 87 | snd_card_set_dev(card, dev); |
cf40a310 RH |
88 | |
89 | error = snd_card_register(card); | |
90 | if (error < 0) { | |
ab7942b2 RH |
91 | snd_printk(KERN_ERR "%s: could not register card\n", dev->bus_id); |
92 | goto out; | |
cf40a310 RH |
93 | } |
94 | ||
ab7942b2 | 95 | dev_set_drvdata(dev, card); |
cf40a310 RH |
96 | return 0; |
97 | ||
ab7942b2 RH |
98 | out: snd_card_free(card); |
99 | return error; | |
cf40a310 RH |
100 | } |
101 | ||
ab7942b2 | 102 | static int __devexit snd_adlib_remove(struct device *dev, unsigned int n) |
cf40a310 | 103 | { |
ab7942b2 RH |
104 | snd_card_free(dev_get_drvdata(dev)); |
105 | dev_set_drvdata(dev, NULL); | |
cf40a310 RH |
106 | return 0; |
107 | } | |
108 | ||
ab7942b2 RH |
109 | static struct isa_driver snd_adlib_driver = { |
110 | .match = snd_adlib_match, | |
cf40a310 RH |
111 | .probe = snd_adlib_probe, |
112 | .remove = __devexit_p(snd_adlib_remove), | |
113 | ||
114 | .driver = { | |
ab7942b2 | 115 | .name = DEV_NAME |
cf40a310 RH |
116 | } |
117 | }; | |
118 | ||
119 | static int __init alsa_card_adlib_init(void) | |
120 | { | |
ab7942b2 | 121 | return isa_register_driver(&snd_adlib_driver, SNDRV_CARDS); |
cf40a310 RH |
122 | } |
123 | ||
124 | static void __exit alsa_card_adlib_exit(void) | |
125 | { | |
ab7942b2 | 126 | isa_unregister_driver(&snd_adlib_driver); |
cf40a310 RH |
127 | } |
128 | ||
129 | module_init(alsa_card_adlib_init); | |
130 | module_exit(alsa_card_adlib_exit); |