1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for PowerMac AWACS 4 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de> 5 * based on dmasound.c. 6 */ 7 8 #include <linux/init.h> 9 #include <linux/err.h> 10 #include <linux/platform_device.h> 11 #include <linux/module.h> 12 #include <sound/core.h> 13 #include <sound/initval.h> 14 #include "pmac.h" 15 #include "awacs.h" 16 #include "burgundy.h" 17 18 #define CHIP_NAME "PMac" 19 20 MODULE_DESCRIPTION("PowerMac"); 21 MODULE_LICENSE("GPL"); 22 23 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 24 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 25 static bool enable_beep = 1; 26 27 module_param(index, int, 0444); 28 MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip."); 29 module_param(id, charp, 0444); 30 MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip."); 31 module_param(enable_beep, bool, 0444); 32 MODULE_PARM_DESC(enable_beep, "Enable beep using PCM."); 33 34 static struct platform_device *device; 35 36 37 /* 38 */ 39 40 static int snd_pmac_probe(struct platform_device *devptr) 41 { 42 struct snd_card *card; 43 struct snd_pmac *chip; 44 char *name_ext; 45 int err; 46 47 err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card); 48 if (err < 0) 49 return err; 50 51 err = snd_pmac_new(card, &chip); 52 if (err < 0) 53 goto __error; 54 card->private_data = chip; 55 56 switch (chip->model) { 57 case PMAC_BURGUNDY: 58 strcpy(card->driver, "PMac Burgundy"); 59 strcpy(card->shortname, "PowerMac Burgundy"); 60 sprintf(card->longname, "%s (Dev %d) Sub-frame %d", 61 card->shortname, chip->device_id, chip->subframe); 62 err = snd_pmac_burgundy_init(chip); 63 if (err < 0) 64 goto __error; 65 break; 66 case PMAC_DACA: 67 strcpy(card->driver, "PMac DACA"); 68 strcpy(card->shortname, "PowerMac DACA"); 69 sprintf(card->longname, "%s (Dev %d) Sub-frame %d", 70 card->shortname, chip->device_id, chip->subframe); 71 err = snd_pmac_daca_init(chip); 72 if (err < 0) 73 goto __error; 74 break; 75 case PMAC_TUMBLER: 76 case PMAC_SNAPPER: 77 name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper"; 78 sprintf(card->driver, "PMac %s", name_ext); 79 sprintf(card->shortname, "PowerMac %s", name_ext); 80 sprintf(card->longname, "%s (Dev %d) Sub-frame %d", 81 card->shortname, chip->device_id, chip->subframe); 82 err = snd_pmac_tumbler_init(chip); 83 if (err < 0) 84 goto __error; 85 err = snd_pmac_tumbler_post_init(); 86 if (err < 0) 87 goto __error; 88 break; 89 case PMAC_AWACS: 90 case PMAC_SCREAMER: 91 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS"; 92 sprintf(card->driver, "PMac %s", name_ext); 93 sprintf(card->shortname, "PowerMac %s", name_ext); 94 if (chip->is_pbook_3400) 95 name_ext = " [PB3400]"; 96 else if (chip->is_pbook_G3) 97 name_ext = " [PBG3]"; 98 else 99 name_ext = ""; 100 sprintf(card->longname, "%s%s Rev %d", 101 card->shortname, name_ext, chip->revision); 102 err = snd_pmac_awacs_init(chip); 103 if (err < 0) 104 goto __error; 105 break; 106 default: 107 snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model); 108 err = -EINVAL; 109 goto __error; 110 } 111 112 err = snd_pmac_pcm_new(chip); 113 if (err < 0) 114 goto __error; 115 116 chip->initialized = 1; 117 if (enable_beep) 118 snd_pmac_attach_beep(chip); 119 120 err = snd_card_register(card); 121 if (err < 0) 122 goto __error; 123 124 platform_set_drvdata(devptr, card); 125 return 0; 126 127 __error: 128 snd_card_free(card); 129 return err; 130 } 131 132 133 static void snd_pmac_remove(struct platform_device *devptr) 134 { 135 snd_card_free(platform_get_drvdata(devptr)); 136 } 137 138 #ifdef CONFIG_PM_SLEEP 139 static int snd_pmac_driver_suspend(struct device *dev) 140 { 141 struct snd_card *card = dev_get_drvdata(dev); 142 snd_pmac_suspend(card->private_data); 143 return 0; 144 } 145 146 static int snd_pmac_driver_resume(struct device *dev) 147 { 148 struct snd_card *card = dev_get_drvdata(dev); 149 snd_pmac_resume(card->private_data); 150 return 0; 151 } 152 153 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume); 154 #define SND_PMAC_PM_OPS &snd_pmac_pm 155 #else 156 #define SND_PMAC_PM_OPS NULL 157 #endif 158 159 #define SND_PMAC_DRIVER "snd_powermac" 160 161 static struct platform_driver snd_pmac_driver = { 162 .probe = snd_pmac_probe, 163 .remove_new = snd_pmac_remove, 164 .driver = { 165 .name = SND_PMAC_DRIVER, 166 .pm = SND_PMAC_PM_OPS, 167 }, 168 }; 169 170 static int __init alsa_card_pmac_init(void) 171 { 172 int err; 173 174 err = platform_driver_register(&snd_pmac_driver); 175 if (err < 0) 176 return err; 177 device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0); 178 return 0; 179 180 } 181 182 static void __exit alsa_card_pmac_exit(void) 183 { 184 if (!IS_ERR(device)) 185 platform_device_unregister(device); 186 platform_driver_unregister(&snd_pmac_driver); 187 } 188 189 module_init(alsa_card_pmac_init) 190 module_exit(alsa_card_pmac_exit) 191