1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 2 /* 3 * AdLib FM card driver. 3 * AdLib FM card driver. 4 */ 4 */ 5 5 6 #include <linux/kernel.h> 6 #include <linux/kernel.h> 7 #include <linux/module.h> 7 #include <linux/module.h> 8 #include <linux/isa.h> 8 #include <linux/isa.h> 9 #include <sound/core.h> 9 #include <sound/core.h> 10 #include <sound/initval.h> 10 #include <sound/initval.h> 11 #include <sound/opl3.h> 11 #include <sound/opl3.h> 12 12 13 #define CRD_NAME "AdLib FM" 13 #define CRD_NAME "AdLib FM" 14 #define DEV_NAME "adlib" 14 #define DEV_NAME "adlib" 15 15 16 MODULE_DESCRIPTION(CRD_NAME); 16 MODULE_DESCRIPTION(CRD_NAME); 17 MODULE_AUTHOR("Rene Herman"); 17 MODULE_AUTHOR("Rene Herman"); 18 MODULE_LICENSE("GPL"); 18 MODULE_LICENSE("GPL"); 19 19 20 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_ 20 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 21 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_S 21 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 22 static bool enable[SNDRV_CARDS] = SNDRV_DEFAUL 22 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; 23 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_ 23 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 24 24 25 module_param_array(index, int, NULL, 0444); 25 module_param_array(index, int, NULL, 0444); 26 MODULE_PARM_DESC(index, "Index value for " CRD 26 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); 27 module_param_array(id, charp, NULL, 0444); 27 module_param_array(id, charp, NULL, 0444); 28 MODULE_PARM_DESC(id, "ID string for " CRD_NAME 28 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); 29 module_param_array(enable, bool, NULL, 0444); 29 module_param_array(enable, bool, NULL, 0444); 30 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " 30 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); 31 module_param_hw_array(port, long, ioport, NULL 31 module_param_hw_array(port, long, ioport, NULL, 0444); 32 MODULE_PARM_DESC(port, "Port # for " CRD_NAME 32 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); 33 33 34 static int snd_adlib_match(struct device *dev, 34 static int snd_adlib_match(struct device *dev, unsigned int n) 35 { 35 { 36 if (!enable[n]) 36 if (!enable[n]) 37 return 0; 37 return 0; 38 38 39 if (port[n] == SNDRV_AUTO_PORT) { 39 if (port[n] == SNDRV_AUTO_PORT) { 40 dev_err(dev, "please specify p 40 dev_err(dev, "please specify port\n"); 41 return 0; 41 return 0; 42 } 42 } 43 return 1; 43 return 1; 44 } 44 } 45 45 >> 46 static void snd_adlib_free(struct snd_card *card) >> 47 { >> 48 release_and_free_resource(card->private_data); >> 49 } >> 50 46 static int snd_adlib_probe(struct device *dev, 51 static int snd_adlib_probe(struct device *dev, unsigned int n) 47 { 52 { 48 struct snd_card *card; 53 struct snd_card *card; 49 struct snd_opl3 *opl3; 54 struct snd_opl3 *opl3; 50 int error; 55 int error; 51 56 52 error = snd_devm_card_new(dev, index[n !! 57 error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card); 53 if (error < 0) { 58 if (error < 0) { 54 dev_err(dev, "could not create 59 dev_err(dev, "could not create card\n"); 55 return error; 60 return error; 56 } 61 } 57 62 58 card->private_data = devm_request_regi !! 63 card->private_data = request_region(port[n], 4, CRD_NAME); 59 if (!card->private_data) { 64 if (!card->private_data) { 60 dev_err(dev, "could not grab p 65 dev_err(dev, "could not grab ports\n"); 61 return -EBUSY; !! 66 error = -EBUSY; >> 67 goto out; 62 } 68 } >> 69 card->private_free = snd_adlib_free; 63 70 64 strcpy(card->driver, DEV_NAME); 71 strcpy(card->driver, DEV_NAME); 65 strcpy(card->shortname, CRD_NAME); 72 strcpy(card->shortname, CRD_NAME); 66 sprintf(card->longname, CRD_NAME " at 73 sprintf(card->longname, CRD_NAME " at %#lx", port[n]); 67 74 68 error = snd_opl3_create(card, port[n], 75 error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3); 69 if (error < 0) { 76 if (error < 0) { 70 dev_err(dev, "could not create 77 dev_err(dev, "could not create OPL\n"); 71 return error; !! 78 goto out; 72 } 79 } 73 80 74 error = snd_opl3_hwdep_new(opl3, 0, 0, 81 error = snd_opl3_hwdep_new(opl3, 0, 0, NULL); 75 if (error < 0) { 82 if (error < 0) { 76 dev_err(dev, "could not create 83 dev_err(dev, "could not create FM\n"); 77 return error; !! 84 goto out; 78 } 85 } 79 86 80 error = snd_card_register(card); 87 error = snd_card_register(card); 81 if (error < 0) { 88 if (error < 0) { 82 dev_err(dev, "could not regist 89 dev_err(dev, "could not register card\n"); 83 return error; !! 90 goto out; 84 } 91 } 85 92 86 dev_set_drvdata(dev, card); 93 dev_set_drvdata(dev, card); 87 return 0; 94 return 0; >> 95 >> 96 out: snd_card_free(card); >> 97 return error; >> 98 } >> 99 >> 100 static int snd_adlib_remove(struct device *dev, unsigned int n) >> 101 { >> 102 snd_card_free(dev_get_drvdata(dev)); >> 103 return 0; 88 } 104 } 89 105 90 static struct isa_driver snd_adlib_driver = { 106 static struct isa_driver snd_adlib_driver = { 91 .match = snd_adlib_match, 107 .match = snd_adlib_match, 92 .probe = snd_adlib_probe, 108 .probe = snd_adlib_probe, >> 109 .remove = snd_adlib_remove, 93 110 94 .driver = { 111 .driver = { 95 .name = DEV_NAME 112 .name = DEV_NAME 96 } 113 } 97 }; 114 }; 98 115 99 module_isa_driver(snd_adlib_driver, SNDRV_CARD 116 module_isa_driver(snd_adlib_driver, SNDRV_CARDS); 100 117
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