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 <sound/driver.h>
  22 #include <linux/init.h>
  23 #include <linux/err.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/moduleparam.h>
  26 #include <sound/core.h>
  27 #include <sound/initval.h>
  28 #include "pmac.h"
  29 #include "awacs.h"
  30 #include "burgundy.h"
  31
  32 #define CHIP_NAME "PMac"
  33
  34 MODULE_DESCRIPTION("PowerMac");
  35 MODULE_SUPPORTED_DEVICE("{{Apple,PowerMac}}");
  36 MODULE_LICENSE("GPL");
  37
  38 static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
  39 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
  40 static int enable_beep = 1;
  41
  42 module_param(index, int, 0444);
  43 MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
  44 module_param(id, charp, 0444);
  45 MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
  46 module_param(enable_beep, bool, 0444);
  47 MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
  48
  49 static struct platform_device *device;
  50
  51
  52 /*
  53  */
  54
  55 static int __init snd_pmac_probe(struct platform_device *devptr)
  56 {
  57         struct snd_card *card;
  58         struct snd_pmac *chip;
  59         char *name_ext;
  60         int err;
  61
  62         card = snd_card_new(index, id, THIS_MODULE, 0);
  63         if (card == NULL)
  64                 return -ENOMEM;
  65
  66         if ((err = snd_pmac_new(card, &chip)) < 0)
  67                 goto __error;
  68         card->private_data = chip;
  69
  70         switch (chip->model) {
  71         case PMAC_BURGUNDY:
  72                 strcpy(card->driver, "PMac Burgundy");
  73                 strcpy(card->shortname, "PowerMac Burgundy");
  74                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  75                         card->shortname, chip->device_id, chip->subframe);
  76                 if ((err = snd_pmac_burgundy_init(chip)) < 0)
  77                         goto __error;
  78                 break;
  79         case PMAC_DACA:
  80                 strcpy(card->driver, "PMac DACA");
  81                 strcpy(card->shortname, "PowerMac DACA");
  82                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  83                         card->shortname, chip->device_id, chip->subframe);
  84                 if ((err = snd_pmac_daca_init(chip)) < 0)
  85                         goto __error;
  86                 break;
  87         case PMAC_TUMBLER:
  88         case PMAC_SNAPPER:
  89                 name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
  90                 sprintf(card->driver, "PMac %s", name_ext);
  91                 sprintf(card->shortname, "PowerMac %s", name_ext);
  92                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
  93                         card->shortname, chip->device_id, chip->subframe);
  94                 if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
  95                         goto __error;
  96                 break;
  97         case PMAC_AWACS:
  98         case PMAC_SCREAMER:
  99                 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
 100                 sprintf(card->driver, "PMac %s", name_ext);
 101                 sprintf(card->shortname, "PowerMac %s", name_ext);
 102                 if (chip->is_pbook_3400)
 103                         name_ext = " [PB3400]";
 104                 else if (chip->is_pbook_G3)
 105                         name_ext = " [PBG3]";
 106                 else
 107                         name_ext = "";
 108                 sprintf(card->longname, "%s%s Rev %d",
 109                         card->shortname, name_ext, chip->revision);
 110                 if ((err = snd_pmac_awacs_init(chip)) < 0)
 111                         goto __error;
 112                 break;
 113         default:
 114                 snd_printk("unsupported hardware %d\n", chip->model);
 115                 err = -EINVAL;
 116                 goto __error;
 117         }
 118
 119         if ((err = snd_pmac_pcm_new(chip)) < 0)
 120                 goto __error;
 121
 122         chip->initialized = 1;
 123         if (enable_beep)
 124                 snd_pmac_attach_beep(chip);
 125
 126         snd_card_set_dev(card, &devptr->dev);
 127
 128         if ((err = snd_card_register(card)) < 0)
 129                 goto __error;
 130
 131         platform_set_drvdata(devptr, card);
 132         return 0;
 133
 134 __error:
 135         snd_card_free(card);
 136         return err;
 137 }
 138
 139
 140 static int __devexit snd_pmac_remove(struct platform_device *devptr)
 141 {
 142         snd_card_free(platform_get_drvdata(devptr));
 143         platform_set_drvdata(devptr, NULL);
 144         return 0;
 145 }
 146
 147 #ifdef CONFIG_PM
 148 static int snd_pmac_driver_suspend(struct platform_device *devptr, pm_message_t state)
 149 {
 150         struct snd_card *card = platform_get_drvdata(devptr);
 151         snd_pmac_suspend(card->private_data);
 152         return 0;
 153 }
 154
 155 static int snd_pmac_driver_resume(struct platform_device *devptr)
 156 {
 157         struct snd_card *card = platform_get_drvdata(devptr);
 158         snd_pmac_resume(card->private_data);
 159         return 0;
 160 }
 161 #endif
 162
 163 #define SND_PMAC_DRIVER         "snd_powermac"
 164
 165 static struct platform_driver snd_pmac_driver = {
 166         .probe          = snd_pmac_probe,
 167         .remove         = __devexit_p(snd_pmac_remove),
 168 #ifdef CONFIG_PM
 169         .suspend        = snd_pmac_driver_suspend,
 170         .resume         = snd_pmac_driver_resume,
 171 #endif
 172         .driver         = {
 173                 .name   = SND_PMAC_DRIVER
 174         },
 175 };
 176
 177 static int __init alsa_card_pmac_init(void)
 178 {
 179         int err;
 180
 181         if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
 182                 return err;
 183         device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
 184         if (!IS_ERR(device)) {
 185                 if (platform_get_drvdata(device))
 186                         return 0;
 187                 platform_device_unregister(device);
 188                 err = -ENODEV;
 189         } else
 190                 err = PTR_ERR(device);
 191         platform_driver_unregister(&snd_pmac_driver);
 192         return err;
 193
 194 }
 195
 196 static void __exit alsa_card_pmac_exit(void)
 197 {
 198         platform_device_unregister(device);
 199         platform_driver_unregister(&snd_pmac_driver);
 200 }
 201
 202 module_init(alsa_card_pmac_init)
 203 module_exit(alsa_card_pmac_exit)