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         if ((err = snd_pmac_new(card, &chip)) < 0)
  52                 goto __error;
  53         card->private_data = chip;
  54
  55         switch (chip->model) {
  56         case PMAC_BURGUNDY:
  57                 strcpy(card->driver, "PMac Burgundy");
  58                 strcpy(card->shortname, "PowerMac Burgundy");
  59                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  60                         card->shortname, chip->device_id, chip->subframe);
  61                 if ((err = snd_pmac_burgundy_init(chip)) < 0)
  62                         goto __error;
  63                 break;
  64         case PMAC_DACA:
  65                 strcpy(card->driver, "PMac DACA");
  66                 strcpy(card->shortname, "PowerMac DACA");
  67                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  68                         card->shortname, chip->device_id, chip->subframe);
  69                 if ((err = snd_pmac_daca_init(chip)) < 0)
  70                         goto __error;
  71                 break;
  72         case PMAC_TUMBLER:
  73         case PMAC_SNAPPER:
  74                 name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
  75                 sprintf(card->driver, "PMac %s", name_ext);
  76                 sprintf(card->shortname, "PowerMac %s", name_ext);
  77                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  78                         card->shortname, chip->device_id, chip->subframe);
  79                 if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
  80                         goto __error;
  81                 break;
  82         case PMAC_AWACS:
  83         case PMAC_SCREAMER:
  84                 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
  85                 sprintf(card->driver, "PMac %s", name_ext);
  86                 sprintf(card->shortname, "PowerMac %s", name_ext);
  87                 if (chip->is_pbook_3400)
  88                         name_ext = " [PB3400]";
  89                 else if (chip->is_pbook_G3)
  90                         name_ext = " [PBG3]";
  91                 else
  92                         name_ext = "";
  93                 sprintf(card->longname, "%s%s Rev %d",
  94                         card->shortname, name_ext, chip->revision);
  95                 if ((err = snd_pmac_awacs_init(chip)) < 0)
  96                         goto __error;
  97                 break;
  98         default:
  99                 snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model);
 100                 err = -EINVAL;
 101                 goto __error;
 102         }
 103
 104         if ((err = snd_pmac_pcm_new(chip)) < 0)
 105                 goto __error;
 106
 107         chip->initialized = 1;
 108         if (enable_beep)
 109                 snd_pmac_attach_beep(chip);
 110
 111         if ((err = snd_card_register(card)) < 0)
 112                 goto __error;
 113
 114         platform_set_drvdata(devptr, card);
 115         return 0;
 116
 117 __error:
 118         snd_card_free(card);
 119         return err;
 120 }
 121
 122
 123 static int snd_pmac_remove(struct platform_device *devptr)
 124 {
 125         snd_card_free(platform_get_drvdata(devptr));
 126         return 0;
 127 }
 128
 129 #ifdef CONFIG_PM_SLEEP
 130 static int snd_pmac_driver_suspend(struct device *dev)
 131 {
 132         struct snd_card *card = dev_get_drvdata(dev);
 133         snd_pmac_suspend(card->private_data);
 134         return 0;
 135 }
 136
 137 static int snd_pmac_driver_resume(struct device *dev)
 138 {
 139         struct snd_card *card = dev_get_drvdata(dev);
 140         snd_pmac_resume(card->private_data);
 141         return 0;
 142 }
 143
 144 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
 145 #define SND_PMAC_PM_OPS &snd_pmac_pm
 146 #else
 147 #define SND_PMAC_PM_OPS NULL
 148 #endif
 149
 150 #define SND_PMAC_DRIVER         "snd_powermac"
 151
 152 static struct platform_driver snd_pmac_driver = {
 153         .probe          = snd_pmac_probe,
 154         .remove         = snd_pmac_remove,
 155         .driver         = {
 156                 .name   = SND_PMAC_DRIVER,
 157                 .pm     = SND_PMAC_PM_OPS,
 158         },
 159 };
 160
 161 static int __init alsa_card_pmac_init(void)
 162 {
 163         int err;
 164
 165         if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
 166                 return err;
 167         device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
 168         return 0;
 169
 170 }
 171
 172 static void __exit alsa_card_pmac_exit(void)
 173 {
 174         if (!IS_ERR(device))
 175                 platform_device_unregister(device);
 176         platform_driver_unregister(&snd_pmac_driver);
 177 }
 178
 179 module_init(alsa_card_pmac_init)
 180 module_exit(alsa_card_pmac_exit)