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_SUPPORTED_DEVICE("{{Apple,PowerMac}}"); 22 MODULE_LICENSE("GPL"); 23 24 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 25 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 26 static bool enable_beep = 1; 27 28 module_param(index, int, 0444); 29 MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip."); 30 module_param(id, charp, 0444); 31 MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip."); 32 module_param(enable_beep, bool, 0444); 33 MODULE_PARM_DESC(enable_beep, "Enable beep using PCM."); 34 35 static struct platform_device *device; 36 37 38 /* 39 */ 40 41 static int snd_pmac_probe(struct platform_device *devptr) 42 { 43 struct snd_card *card; 44 struct snd_pmac *chip; 45 char *name_ext; 46 int err; 47 48 err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card); 49 if (err < 0) 50 return err; 51 52 if ((err = snd_pmac_new(card, &chip)) < 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 if ((err = snd_pmac_burgundy_init(chip)) < 0) 63 goto __error; 64 break; 65 case PMAC_DACA: 66 strcpy(card->driver, "PMac DACA"); 67 strcpy(card->shortname, "PowerMac DACA"); 68 sprintf(card->longname, "%s (Dev %d) Sub-frame %d", 69 card->shortname, chip->device_id, chip->subframe); 70 if ((err = snd_pmac_daca_init(chip)) < 0) 71 goto __error; 72 break; 73 case PMAC_TUMBLER: 74 case PMAC_SNAPPER: 75 name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper"; 76 sprintf(card->driver, "PMac %s", name_ext); 77 sprintf(card->shortname, "PowerMac %s", name_ext); 78 sprintf(card->longname, "%s (Dev %d) Sub-frame %d", 79 card->shortname, chip->device_id, chip->subframe); 80 if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0) 81 goto __error; 82 break; 83 case PMAC_AWACS: 84 case PMAC_SCREAMER: 85 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS"; 86 sprintf(card->driver, "PMac %s", name_ext); 87 sprintf(card->shortname, "PowerMac %s", name_ext); 88 if (chip->is_pbook_3400) 89 name_ext = " [PB3400]"; 90 else if (chip->is_pbook_G3) 91 name_ext = " [PBG3]"; 92 else 93 name_ext = ""; 94 sprintf(card->longname, "%s%s Rev %d", 95 card->shortname, name_ext, chip->revision); 96 if ((err = snd_pmac_awacs_init(chip)) < 0) 97 goto __error; 98 break; 99 default: 100 snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model); 101 err = -EINVAL; 102 goto __error; 103 } 104 105 if ((err = snd_pmac_pcm_new(chip)) < 0) 106 goto __error; 107 108 chip->initialized = 1; 109 if (enable_beep) 110 snd_pmac_attach_beep(chip); 111 112 if ((err = snd_card_register(card)) < 0) 113 goto __error; 114 115 platform_set_drvdata(devptr, card); 116 return 0; 117 118 __error: 119 snd_card_free(card); 120 return err; 121 } 122 123 124 static int snd_pmac_remove(struct platform_device *devptr) 125 { 126 snd_card_free(platform_get_drvdata(devptr)); 127 return 0; 128 } 129 130 #ifdef CONFIG_PM_SLEEP 131 static int snd_pmac_driver_suspend(struct device *dev) 132 { 133 struct snd_card *card = dev_get_drvdata(dev); 134 snd_pmac_suspend(card->private_data); 135 return 0; 136 } 137 138 static int snd_pmac_driver_resume(struct device *dev) 139 { 140 struct snd_card *card = dev_get_drvdata(dev); 141 snd_pmac_resume(card->private_data); 142 return 0; 143 } 144 145 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume); 146 #define SND_PMAC_PM_OPS &snd_pmac_pm 147 #else 148 #define SND_PMAC_PM_OPS NULL 149 #endif 150 151 #define SND_PMAC_DRIVER "snd_powermac" 152 153 static struct platform_driver snd_pmac_driver = { 154 .probe = snd_pmac_probe, 155 .remove = snd_pmac_remove, 156 .driver = { 157 .name = SND_PMAC_DRIVER, 158 .pm = SND_PMAC_PM_OPS, 159 }, 160 }; 161 162 static int __init alsa_card_pmac_init(void) 163 { 164 int err; 165 166 if ((err = platform_driver_register(&snd_pmac_driver)) < 0) 167 return err; 168 device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0); 169 return 0; 170 171 } 172 173 static void __exit alsa_card_pmac_exit(void) 174 { 175 if (!IS_ERR(device)) 176 platform_device_unregister(device); 177 platform_driver_unregister(&snd_pmac_driver); 178 } 179 180 module_init(alsa_card_pmac_init) 181 module_exit(alsa_card_pmac_exit) 182