sound/ppc/powermac.c

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