linux/sound/ppc/powermac.c
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   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
  20MODULE_DESCRIPTION("PowerMac");
  21MODULE_SUPPORTED_DEVICE("{{Apple,PowerMac}}");
  22MODULE_LICENSE("GPL");
  23
  24static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
  25static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  26static bool enable_beep = 1;
  27
  28module_param(index, int, 0444);
  29MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
  30module_param(id, charp, 0444);
  31MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
  32module_param(enable_beep, bool, 0444);
  33MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
  34
  35static struct platform_device *device;
  36
  37
  38/*
  39 */
  40
  41static 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
 124static 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
 131static 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
 138static 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
 145static 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
 153static 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
 162static 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
 173static 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
 180module_init(alsa_card_pmac_init)
 181module_exit(alsa_card_pmac_exit)
 182