litmus-rt.git - The LITMUS^RT kernel.

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Diffstat (limited to 'include/asm-x86/numa_64.h')

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/* * Advanced Linux Sound Architecture * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifdef CONFIG_SND_OSSEMUL #if !defined(CONFIG_SOUND) && !(defined(MODULE) && defined(CONFIG_SOUND_MODULE)) #error "Enable the OSS soundcore multiplexer (CONFIG_SOUND) in the kernel." #endif #include <linux/init.h> #include <linux/export.h> #include <linux/slab.h> #include <linux/time.h> #include <sound/core.h> #include <sound/minors.h> #include <sound/info.h> #include <linux/sound.h> #include <linux/mutex.h> #define SNDRV_OSS_MINORS 128 static struct snd_minor *snd_oss_minors[SNDRV_OSS_MINORS]; static DEFINE_MUTEX(sound_oss_mutex); void *snd_lookup_oss_minor_data(unsigned int minor, int type) { struct snd_minor *mreg; void *private_data; if (minor >= ARRAY_SIZE(snd_oss_minors)) return NULL; mutex_lock(&sound_oss_mutex); mreg = snd_oss_minors[minor]; if (mreg && mreg->type == type) private_data = mreg->private_data; else private_data = NULL; mutex_unlock(&sound_oss_mutex); return private_data; } EXPORT_SYMBOL(snd_lookup_oss_minor_data); static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev) { int minor; switch (type) { case SNDRV_OSS_DEVICE_TYPE_MIXER: if (snd_BUG_ON(!card || dev < 0 || dev > 1)) return -EINVAL; minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_MIXER1 : SNDRV_MINOR_OSS_MIXER)); break; case SNDRV_OSS_DEVICE_TYPE_SEQUENCER: minor = SNDRV_MINOR_OSS_SEQUENCER; break; case SNDRV_OSS_DEVICE_TYPE_MUSIC: minor = SNDRV_MINOR_OSS_MUSIC; break; case SNDRV_OSS_DEVICE_TYPE_PCM: if (snd_BUG_ON(!card || dev < 0 || dev > 1)) return -EINVAL; minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_PCM1 : SNDRV_MINOR_OSS_PCM)); break; case SNDRV_OSS_DEVICE_TYPE_MIDI: if (snd_BUG_ON(!card || dev < 0 || dev > 1)) return -EINVAL; minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_MIDI1 : SNDRV_MINOR_OSS_MIDI)); break; case SNDRV_OSS_DEVICE_TYPE_DMFM: minor = SNDRV_MINOR_OSS(card->number, SNDRV_MINOR_OSS_DMFM); break; case SNDRV_OSS_DEVICE_TYPE_SNDSTAT: minor = SNDRV_MINOR_OSS_SNDSTAT; break; default: return -EINVAL; } if (minor < 0 || minor >= SNDRV_OSS_MINORS) return -EINVAL; return minor; } int snd_register_oss_device(int type, struct snd_card *card, int dev, const struct file_operations *f_ops, void *private_data, const char *name) { int minor = snd_oss_kernel_minor(type, card, dev); int minor_unit; struct snd_minor *preg; int cidx = SNDRV_MINOR_OSS_CARD(minor); int track2 = -1; int register1 = -1, register2 = -1; struct device *carddev = snd_card_get_device_link(card); if (card && card->number >= 8) return 0; /* ignore silently */ if (minor < 0) return minor; preg = kmalloc(sizeof(struct snd_minor), GFP_KERNEL); if (preg == NULL) return -ENOMEM; preg->type = type; preg->card = card ? card->number : -1; preg->device = dev; preg->f_ops = f_ops; preg->private_data = private_data; mutex_lock(&sound_oss_mutex); snd_oss_minors[minor] = preg; minor_unit = SNDRV_MINOR_OSS_DEVICE(minor); switch (minor_unit) { case SNDRV_MINOR_OSS_PCM: track2 = SNDRV_MINOR_OSS(cidx, SNDRV_MINOR_OSS_AUDIO); break; case SNDRV_MINOR_OSS_MIDI: track2 = SNDRV_MINOR_OSS(cidx, SNDRV_MINOR_OSS_DMMIDI); break; case SNDRV_MINOR_OSS_MIDI1: track2 = SNDRV_MINOR_OSS(cidx, SNDRV_MINOR_OSS_DMMIDI1); break; } register1 = register_sound_special_device(f_ops, minor, carddev); if (register1 != minor) goto __end;


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