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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * AdLib FM card driver.
4 */
5
6#include <linux/kernel.h>
7#include <linux/module.h>
8#include <linux/isa.h>
9#include <sound/core.h>
10#include <sound/initval.h>
11#include <sound/opl3.h>
12
13#define CRD_NAME "AdLib FM"
14#define DEV_NAME "adlib"
15
16MODULE_DESCRIPTION(CRD_NAME);
17MODULE_AUTHOR("Rene Herman");
18MODULE_LICENSE("GPL");
19
20static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
21static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
22static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
23static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
24
25module_param_array(index, int, NULL, 0444);
26MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
27module_param_array(id, charp, NULL, 0444);
28MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
29module_param_array(enable, bool, NULL, 0444);
30MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
31module_param_hw_array(port, long, ioport, NULL, 0444);
32MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
33
34static int 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 dev_err(dev, "please specify port\n");
41 return 0;
42 }
43 return 1;
44}
45
46static int snd_adlib_probe(struct device *dev, unsigned int n)
47{
48 struct snd_card *card;
49 struct snd_opl3 *opl3;
50 int error;
51
52 error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
53 if (error < 0) {
54 dev_err(dev, "could not create card\n");
55 return error;
56 }
57
58 card->private_data = devm_request_region(dev, port[n], 4, CRD_NAME);
59 if (!card->private_data) {
60 dev_err(dev, "could not grab ports\n");
61 return -EBUSY;
62 }
63
64 strcpy(card->driver, DEV_NAME);
65 strcpy(card->shortname, CRD_NAME);
66 sprintf(card->longname, CRD_NAME " at %#lx", port[n]);
67
68 error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
69 if (error < 0) {
70 dev_err(dev, "could not create OPL\n");
71 return error;
72 }
73
74 error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
75 if (error < 0) {
76 dev_err(dev, "could not create FM\n");
77 return error;
78 }
79
80 error = snd_card_register(card);
81 if (error < 0) {
82 dev_err(dev, "could not register card\n");
83 return error;
84 }
85
86 dev_set_drvdata(dev, card);
87 return 0;
88}
89
90static struct isa_driver snd_adlib_driver = {
91 .match = snd_adlib_match,
92 .probe = snd_adlib_probe,
93
94 .driver = {
95 .name = DEV_NAME
96 }
97};
98
99module_isa_driver(snd_adlib_driver, SNDRV_CARDS);
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
15MODULE_DESCRIPTION(CRD_NAME);
16MODULE_AUTHOR("Rene Herman");
17MODULE_LICENSE("GPL");
18
19static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
20static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
21static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
22static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
23
24module_param_array(index, int, NULL, 0444);
25MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
26module_param_array(id, charp, NULL, 0444);
27MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
28module_param_array(enable, bool, NULL, 0444);
29MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
30module_param_array(port, long, NULL, 0444);
31MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
32
33static 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
45static void snd_adlib_free(struct snd_card *card)
46{
47 release_and_free_resource(card->private_data);
48}
49
50static 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
95out: snd_card_free(card);
96 return error;
97}
98
99static int snd_adlib_remove(struct device *dev, unsigned int n)
100{
101 snd_card_free(dev_get_drvdata(dev));
102 return 0;
103}
104
105static 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
115static int __init alsa_card_adlib_init(void)
116{
117 return isa_register_driver(&snd_adlib_driver, SNDRV_CARDS);
118}
119
120static void __exit alsa_card_adlib_exit(void)
121{
122 isa_unregister_driver(&snd_adlib_driver);
123}
124
125module_init(alsa_card_adlib_init);
126module_exit(alsa_card_adlib_exit);