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_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                 dev_err(&devptr->dev, "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         = 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)