sound/ppc/powermac.c

   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
  33 MODULE_DESCRIPTION("PowerMac");
  34 MODULE_SUPPORTED_DEVICE("{{Apple,PowerMac}}");
  35 MODULE_LICENSE("GPL");
  36
  37 static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
  38 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  39 static bool enable_beep = 1;
  40
  41 module_param(index, int, 0444);
  42 MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
  43 module_param(id, charp, 0444);
  44 MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
  45 module_param(enable_beep, bool, 0444);
  46 MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
  47
  48 static struct platform_device *device;
  49
  50
  51 /*
  52  */
  53
  54 static 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_new(&devptr->dev, 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         if ((err = snd_card_register(card)) < 0)
 126                 goto __error;
 127
 128         platform_set_drvdata(devptr, card);
 129         return 0;
 130
 131 __error:
 132         snd_card_free(card);
 133         return err;
 134 }
 135
 136
 137 static int snd_pmac_remove(struct platform_device *devptr)
 138 {
 139         snd_card_free(platform_get_drvdata(devptr));
 140         return 0;
 141 }
 142
 143 #ifdef CONFIG_PM_SLEEP
 144 static int snd_pmac_driver_suspend(struct device *dev)
 145 {
 146         struct snd_card *card = dev_get_drvdata(dev);
 147         snd_pmac_suspend(card->private_data);
 148         return 0;
 149 }
 150
 151 static int snd_pmac_driver_resume(struct device *dev)
 152 {
 153         struct snd_card *card = dev_get_drvdata(dev);
 154         snd_pmac_resume(card->private_data);
 155         return 0;
 156 }
 157
 158 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
 159 #define SND_PMAC_PM_OPS &snd_pmac_pm
 160 #else
 161 #define SND_PMAC_PM_OPS NULL
 162 #endif
 163
 164 #define SND_PMAC_DRIVER         "snd_powermac"
 165
 166 static struct platform_driver snd_pmac_driver = {
 167         .probe          = snd_pmac_probe,
 168         .remove         = snd_pmac_remove,
 169         .driver         = {
 170                 .name   = SND_PMAC_DRIVER,
 171                 .owner  = THIS_MODULE,
 172                 .pm     = SND_PMAC_PM_OPS,
 173         },
 174 };
 175
 176 static int __init alsa_card_pmac_init(void)
 177 {
 178         int err;
 179
 180         if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
 181                 return err;
 182         device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
 183         return 0;
 184
 185 }
 186
 187 static void __exit alsa_card_pmac_exit(void)
 188 {
 189         if (!IS_ERR(device))
 190                 platform_device_unregister(device);
 191         platform_driver_unregister(&snd_pmac_driver);
 192 }
 193
 194 module_init(alsa_card_pmac_init)
 195 module_exit(alsa_card_pmac_exit)