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Commit | Line | Data |
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09c434b8 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
cf40a310 RH |
2 | /* |
3 | * AdLib FM card driver. | |
4 | */ | |
5 | ||
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6 | #include <linux/kernel.h> |
7 | #include <linux/module.h> | |
ab7942b2 | 8 | #include <linux/isa.h> |
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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; | |
a67ff6a5 | 22 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; |
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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."); | |
e992ef57 | 31 | module_param_hw_array(port, long, ioport, NULL, 0444); |
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32 | MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); |
33 | ||
1bff292e | 34 | static int snd_adlib_match(struct device *dev, unsigned int n) |
ab7942b2 RH |
35 | { |
36 | if (!enable[n]) | |
37 | return 0; | |
38 | ||
39 | if (port[n] == SNDRV_AUTO_PORT) { | |
0418ff0c | 40 | dev_err(dev, "please specify port\n"); |
ab7942b2 RH |
41 | return 0; |
42 | } | |
43 | return 1; | |
44 | } | |
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45 | |
46 | static void snd_adlib_free(struct snd_card *card) | |
47 | { | |
48 | release_and_free_resource(card->private_data); | |
49 | } | |
50 | ||
1bff292e | 51 | static int 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 | |
4323cc4d | 57 | error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card); |
c95eadd2 | 58 | if (error < 0) { |
0418ff0c | 59 | dev_err(dev, "could not create card\n"); |
c95eadd2 | 60 | return error; |
cf40a310 RH |
61 | } |
62 | ||
ab7942b2 | 63 | card->private_data = request_region(port[n], 4, CRD_NAME); |
cf40a310 | 64 | if (!card->private_data) { |
0418ff0c | 65 | dev_err(dev, "could not grab ports\n"); |
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) { |
0418ff0c | 77 | dev_err(dev, "could not create OPL\n"); |
ab7942b2 | 78 | goto out; |
cf40a310 RH |
79 | } |
80 | ||
81 | error = snd_opl3_hwdep_new(opl3, 0, 0, NULL); | |
82 | if (error < 0) { | |
0418ff0c | 83 | dev_err(dev, "could not create FM\n"); |
ab7942b2 | 84 | goto out; |
cf40a310 RH |
85 | } |
86 | ||
cf40a310 RH |
87 | error = snd_card_register(card); |
88 | if (error < 0) { | |
0418ff0c | 89 | dev_err(dev, "could not register card\n"); |
ab7942b2 | 90 | goto out; |
cf40a310 RH |
91 | } |
92 | ||
ab7942b2 | 93 | dev_set_drvdata(dev, card); |
cf40a310 RH |
94 | return 0; |
95 | ||
ab7942b2 RH |
96 | out: snd_card_free(card); |
97 | return error; | |
cf40a310 RH |
98 | } |
99 | ||
1bff292e | 100 | static int snd_adlib_remove(struct device *dev, unsigned int n) |
cf40a310 | 101 | { |
ab7942b2 | 102 | snd_card_free(dev_get_drvdata(dev)); |
cf40a310 RH |
103 | return 0; |
104 | } | |
105 | ||
ab7942b2 RH |
106 | static struct isa_driver snd_adlib_driver = { |
107 | .match = snd_adlib_match, | |
cf40a310 | 108 | .probe = snd_adlib_probe, |
1bff292e | 109 | .remove = snd_adlib_remove, |
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110 | |
111 | .driver = { | |
ab7942b2 | 112 | .name = DEV_NAME |
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113 | } |
114 | }; | |
115 | ||
1524c719 | 116 | module_isa_driver(snd_adlib_driver, SNDRV_CARDS); |