| | 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); |
projects / mirror_ubuntu-artful-kernel.git / blame_incremental