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                 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)