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 if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0) 83 goto __error; 84 break; 85 case PMAC_AWACS: 86 case PMAC_SCREAMER: 87 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS"; 88 sprintf(card->driver, "PMac %s", name_ext); 89 sprintf(card->shortname, "PowerMac %s", name_ext); 90 if (chip->is_pbook_3400) 91 name_ext = " [PB3400]"; 92 else if (chip->is_pbook_G3) 93 name_ext = " [PBG3]"; 94 else 95 name_ext = ""; 96 sprintf(card->longname, "%s%s Rev %d", 97 card->shortname, name_ext, chip->revision); 98 err = snd_pmac_awacs_init(chip); 99 if (err < 0) 100 goto __error; 101 break; 102 default: 103 snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model); 104 err = -EINVAL; 105 goto __error; 106 } 107 108 err = snd_pmac_pcm_new(chip); 109 if (err < 0) 110 goto __error; 111 112 chip->initialized = 1; 113 if (enable_beep) 114 snd_pmac_attach_beep(chip); 115 116 err = snd_card_register(card); 117 if (err < 0) 118 goto __error; 119 120 platform_set_drvdata(devptr, card); 121 return 0; 122 123 __error: 124 snd_card_free(card); 125 return err; 126 } 127 128 129 static int snd_pmac_remove(struct platform_device *devptr) 130 { 131 snd_card_free(platform_get_drvdata(devptr)); 132 return 0; 133 } 134 135 #ifdef CONFIG_PM_SLEEP 136 static int snd_pmac_driver_suspend(struct device *dev) 137 { 138 struct snd_card *card = dev_get_drvdata(dev); 139 snd_pmac_suspend(card->private_data); 140 return 0; 141 } 142 143 static int snd_pmac_driver_resume(struct device *dev) 144 { 145 struct snd_card *card = dev_get_drvdata(dev); 146 snd_pmac_resume(card->private_data); 147 return 0; 148 } 149 150 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume); 151 #define SND_PMAC_PM_OPS &snd_pmac_pm 152 #else 153 #define SND_PMAC_PM_OPS NULL 154 #endif 155 156 #define SND_PMAC_DRIVER "snd_powermac" 157 158 static struct platform_driver snd_pmac_driver = { 159 .probe = snd_pmac_probe, 160 .remove = snd_pmac_remove, 161 .driver = { 162 .name = SND_PMAC_DRIVER, 163 .pm = SND_PMAC_PM_OPS, 164 }, 165 }; 166 167 static int __init alsa_card_pmac_init(void) 168 { 169 int err; 170 171 err = platform_driver_register(&snd_pmac_driver); 172 if (err < 0) 173 return err; 174 device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0); 175 return 0; 176 177 } 178 179 static void __exit alsa_card_pmac_exit(void) 180 { 181 if (!IS_ERR(device)) 182 platform_device_unregister(device); 183 platform_driver_unregister(&snd_pmac_driver); 184 } 185 186 module_init(alsa_card_pmac_init) 187 module_exit(alsa_card_pmac_exit) 188