linux/sound/ppc/powermac.c
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   1/*
   2 * Driver for PowerMac AWACS
   3 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
   4 *   based on dmasound.c.
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 */
  20
  21#include <linux/init.h>
  22#include <linux/err.h>
  23#include <linux/platform_device.h>
  24#include <linux/module.h>
  25#include <sound/core.h>
  26#include <sound/initval.h>
  27#include "pmac.h"
  28#include "awacs.h"
  29#include "burgundy.h"
  30
  31#define CHIP_NAME "PMac"
  32
  33MODULE_DESCRIPTION("PowerMac");
  34MODULE_SUPPORTED_DEVICE("{{Apple,PowerMac}}");
  35MODULE_LICENSE("GPL");
  36
  37static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
  38static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  39static bool enable_beep = 1;
  40
  41module_param(index, int, 0444);
  42MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
  43module_param(id, charp, 0444);
  44MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
  45module_param(enable_beep, bool, 0444);
  46MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
  47
  48static struct platform_device *device;
  49
  50
  51/*
  52 */
  53
  54static int snd_pmac_probe(struct platform_device *devptr)
  55{
  56        struct snd_card *card;
  57        struct snd_pmac *chip;
  58        char *name_ext;
  59        int err;
  60
  61        err = snd_card_create(index, id, THIS_MODULE, 0, &card);
  62        if (err < 0)
  63                return err;
  64
  65        if ((err = snd_pmac_new(card, &chip)) < 0)
  66                goto __error;
  67        card->private_data = chip;
  68
  69        switch (chip->model) {
  70        case PMAC_BURGUNDY:
  71                strcpy(card->driver, "PMac Burgundy");
  72                strcpy(card->shortname, "PowerMac Burgundy");
  73                sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  74                        card->shortname, chip->device_id, chip->subframe);
  75                if ((err = snd_pmac_burgundy_init(chip)) < 0)
  76                        goto __error;
  77                break;
  78        case PMAC_DACA:
  79                strcpy(card->driver, "PMac DACA");
  80                strcpy(card->shortname, "PowerMac DACA");
  81                sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  82                        card->shortname, chip->device_id, chip->subframe);
  83                if ((err = snd_pmac_daca_init(chip)) < 0)
  84                        goto __error;
  85                break;
  86        case PMAC_TUMBLER:
  87        case PMAC_SNAPPER:
  88                name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
  89                sprintf(card->driver, "PMac %s", name_ext);
  90                sprintf(card->shortname, "PowerMac %s", name_ext);
  91                sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  92                        card->shortname, chip->device_id, chip->subframe);
  93                if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
  94                        goto __error;
  95                break;
  96        case PMAC_AWACS:
  97        case PMAC_SCREAMER:
  98                name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
  99                sprintf(card->driver, "PMac %s", name_ext);
 100                sprintf(card->shortname, "PowerMac %s", name_ext);
 101                if (chip->is_pbook_3400)
 102                        name_ext = " [PB3400]";
 103                else if (chip->is_pbook_G3)
 104                        name_ext = " [PBG3]";
 105                else
 106                        name_ext = "";
 107                sprintf(card->longname, "%s%s Rev %d",
 108                        card->shortname, name_ext, chip->revision);
 109                if ((err = snd_pmac_awacs_init(chip)) < 0)
 110                        goto __error;
 111                break;
 112        default:
 113                snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model);
 114                err = -EINVAL;
 115                goto __error;
 116        }
 117
 118        if ((err = snd_pmac_pcm_new(chip)) < 0)
 119                goto __error;
 120
 121        chip->initialized = 1;
 122        if (enable_beep)
 123                snd_pmac_attach_beep(chip);
 124
 125        snd_card_set_dev(card, &devptr->dev);
 126
 127        if ((err = snd_card_register(card)) < 0)
 128                goto __error;
 129
 130        platform_set_drvdata(devptr, card);
 131        return 0;
 132
 133__error:
 134        snd_card_free(card);
 135        return err;
 136}
 137
 138
 139static int snd_pmac_remove(struct platform_device *devptr)
 140{
 141        snd_card_free(platform_get_drvdata(devptr));
 142        return 0;
 143}
 144
 145#ifdef CONFIG_PM_SLEEP
 146static int snd_pmac_driver_suspend(struct device *dev)
 147{
 148        struct snd_card *card = dev_get_drvdata(dev);
 149        snd_pmac_suspend(card->private_data);
 150        return 0;
 151}
 152
 153static int snd_pmac_driver_resume(struct device *dev)
 154{
 155        struct snd_card *card = dev_get_drvdata(dev);
 156        snd_pmac_resume(card->private_data);
 157        return 0;
 158}
 159
 160static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
 161#define SND_PMAC_PM_OPS &snd_pmac_pm
 162#else
 163#define SND_PMAC_PM_OPS NULL
 164#endif
 165
 166#define SND_PMAC_DRIVER         "snd_powermac"
 167
 168static struct platform_driver snd_pmac_driver = {
 169        .probe          = snd_pmac_probe,
 170        .remove         = snd_pmac_remove,
 171        .driver         = {
 172                .name   = SND_PMAC_DRIVER,
 173                .owner  = THIS_MODULE,
 174                .pm     = SND_PMAC_PM_OPS,
 175        },
 176};
 177
 178static int __init alsa_card_pmac_init(void)
 179{
 180        int err;
 181
 182        if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
 183                return err;
 184        device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
 185        return 0;
 186
 187}
 188
 189static void __exit alsa_card_pmac_exit(void)
 190{
 191        if (!IS_ERR(device))
 192                platform_device_unregister(device);
 193        platform_driver_unregister(&snd_pmac_driver);
 194}
 195
 196module_init(alsa_card_pmac_init)
 197module_exit(alsa_card_pmac_exit)
 198
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