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_LICENSE("GPL");
  22
  23static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
  24static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  25static bool enable_beep = 1;
  26
  27module_param(index, int, 0444);
  28MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
  29module_param(id, charp, 0444);
  30MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
  31module_param(enable_beep, bool, 0444);
  32MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
  33
  34static struct platform_device *device;
  35
  36
  37/*
  38 */
  39
  40static 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                snd_printk(KERN_ERR "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
 133static int snd_pmac_remove(struct platform_device *devptr)
 134{
 135        snd_card_free(platform_get_drvdata(devptr));
 136        return 0;
 137}
 138
 139#ifdef CONFIG_PM_SLEEP
 140static int snd_pmac_driver_suspend(struct device *dev)
 141{
 142        struct snd_card *card = dev_get_drvdata(dev);
 143        snd_pmac_suspend(card->private_data);
 144        return 0;
 145}
 146
 147static int snd_pmac_driver_resume(struct device *dev)
 148{
 149        struct snd_card *card = dev_get_drvdata(dev);
 150        snd_pmac_resume(card->private_data);
 151        return 0;
 152}
 153
 154static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
 155#define SND_PMAC_PM_OPS &snd_pmac_pm
 156#else
 157#define SND_PMAC_PM_OPS NULL
 158#endif
 159
 160#define SND_PMAC_DRIVER         "snd_powermac"
 161
 162static struct platform_driver snd_pmac_driver = {
 163        .probe          = snd_pmac_probe,
 164        .remove         = snd_pmac_remove,
 165        .driver         = {
 166                .name   = SND_PMAC_DRIVER,
 167                .pm     = SND_PMAC_PM_OPS,
 168        },
 169};
 170
 171static int __init alsa_card_pmac_init(void)
 172{
 173        int err;
 174
 175        err = platform_driver_register(&snd_pmac_driver);
 176        if (err < 0)
 177                return err;
 178        device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
 179        return 0;
 180
 181}
 182
 183static void __exit alsa_card_pmac_exit(void)
 184{
 185        if (!IS_ERR(device))
 186                platform_device_unregister(device);
 187        platform_driver_unregister(&snd_pmac_driver);
 188}
 189
 190module_init(alsa_card_pmac_init)
 191module_exit(alsa_card_pmac_exit)
 192