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