diff options
Diffstat (limited to 'sound/oss/dev_table.c')
| -rw-r--r-- | sound/oss/dev_table.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/sound/oss/dev_table.c b/sound/oss/dev_table.c deleted file mode 100644 index 6dad51596b70..000000000000 --- a/sound/oss/dev_table.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * sound/oss/dev_table.c - * - * Device call tables. - * - * - * Copyright (C) by Hannu Savolainen 1993-1997 - * - * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL) - * Version 2 (June 1991). See the "COPYING" file distributed with this software - * for more info. - */ - -#include <linux/init.h> - -#include "sound_config.h" - -struct audio_operations *audio_devs[MAX_AUDIO_DEV]; -EXPORT_SYMBOL(audio_devs); - -int num_audiodevs; -EXPORT_SYMBOL(num_audiodevs); - -struct mixer_operations *mixer_devs[MAX_MIXER_DEV]; -EXPORT_SYMBOL(mixer_devs); - -int num_mixers; -EXPORT_SYMBOL(num_mixers); - -struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV]; -EXPORT_SYMBOL(synth_devs); - -int num_synths; - -struct midi_operations *midi_devs[MAX_MIDI_DEV]; -EXPORT_SYMBOL(midi_devs); - -int num_midis; -EXPORT_SYMBOL(num_midis); - -struct sound_timer_operations *sound_timer_devs[MAX_TIMER_DEV] = { - &default_sound_timer, NULL -}; -EXPORT_SYMBOL(sound_timer_devs); - -int num_sound_timers = 1; - - -static int sound_alloc_audiodev(void); - -int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver, - int driver_size, int flags, unsigned int format_mask, - void *devc, int dma1, int dma2) -{ - struct audio_driver *d; - struct audio_operations *op; - int num; - - if (vers != AUDIO_DRIVER_VERSION || driver_size > sizeof(struct audio_driver)) { - printk(KERN_ERR "Sound: Incompatible audio driver for %s\n", name); - return -EINVAL; - } - num = sound_alloc_audiodev(); - - if (num == -1) { - printk(KERN_ERR "sound: Too many audio drivers\n"); - return -EBUSY; - } - d = (struct audio_driver *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_driver))); - sound_nblocks++; - if (sound_nblocks >= MAX_MEM_BLOCKS) - sound_nblocks = MAX_MEM_BLOCKS - 1; - - op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vzalloc(sizeof(struct audio_operations))); - sound_nblocks++; - if (sound_nblocks >= MAX_MEM_BLOCKS) - sound_nblocks = MAX_MEM_BLOCKS - 1; - - if (d == NULL || op == NULL) { - printk(KERN_ERR "Sound: Can't allocate driver for (%s)\n", name); - sound_unload_audiodev(num); - return -ENOMEM; - } - init_waitqueue_head(&op->in_sleeper); - init_waitqueue_head(&op->out_sleeper); - init_waitqueue_head(&op->poll_sleeper); - if (driver_size < sizeof(struct audio_driver)) - memset((char *) d, 0, sizeof(struct audio_driver)); - - memcpy((char *) d, (char *) driver, driver_size); - - op->d = d; - strlcpy(op->name, name, sizeof(op->name)); - op->flags = flags; - op->format_mask = format_mask; - op->devc = devc; - - /* - * Hardcoded defaults - */ - audio_devs[num] = op; - - DMAbuf_init(num, dma1, dma2); - - audio_init_devices(); - return num; -} -EXPORT_SYMBOL(sound_install_audiodrv); - -int sound_install_mixer(int vers, char *name, struct mixer_operations *driver, - int driver_size, void *devc) -{ - struct mixer_operations *op; - - int n = sound_alloc_mixerdev(); - - if (n == -1) { - printk(KERN_ERR "Sound: Too many mixer drivers\n"); - return -EBUSY; - } - if (vers != MIXER_DRIVER_VERSION || - driver_size > sizeof(struct mixer_operations)) { - printk(KERN_ERR "Sound: Incompatible mixer driver for %s\n", name); - return -EINVAL; - } - - /* FIXME: This leaks a mixer_operations struct every time its called - until you unload sound! */ - - op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vzalloc(sizeof(struct mixer_operations))); - sound_nblocks++; - if (sound_nblocks >= MAX_MEM_BLOCKS) - sound_nblocks = MAX_MEM_BLOCKS - 1; - - if (op == NULL) { - printk(KERN_ERR "Sound: Can't allocate mixer driver for (%s)\n", name); - return -ENOMEM; - } - memcpy((char *) op, (char *) driver, driver_size); - - strlcpy(op->name, name, sizeof(op->name)); - op->devc = devc; - - mixer_devs[n] = op; - return n; -} -EXPORT_SYMBOL(sound_install_mixer); - -void sound_unload_audiodev(int dev) -{ - if (dev != -1) { - DMAbuf_deinit(dev); - audio_devs[dev] = NULL; - unregister_sound_dsp((dev<<4)+3); - } -} -EXPORT_SYMBOL(sound_unload_audiodev); - -static int sound_alloc_audiodev(void) -{ - int i = register_sound_dsp(&oss_sound_fops, -1); - if(i==-1) - return i; - i>>=4; - if(i>=num_audiodevs) - num_audiodevs = i + 1; - return i; -} - -int sound_alloc_mididev(void) -{ - int i = register_sound_midi(&oss_sound_fops, -1); - if(i==-1) - return i; - i>>=4; - if(i>=num_midis) - num_midis = i + 1; - return i; -} -EXPORT_SYMBOL(sound_alloc_mididev); - -int sound_alloc_synthdev(void) -{ - int i; - - for (i = 0; i < MAX_SYNTH_DEV; i++) { - if (synth_devs[i] == NULL) { - if (i >= num_synths) - num_synths++; - return i; - } - } - return -1; -} -EXPORT_SYMBOL(sound_alloc_synthdev); - -int sound_alloc_mixerdev(void) -{ - int i = register_sound_mixer(&oss_sound_fops, -1); - if(i==-1) - return -1; - i>>=4; - if(i>=num_mixers) - num_mixers = i + 1; - return i; -} -EXPORT_SYMBOL(sound_alloc_mixerdev); - -int sound_alloc_timerdev(void) -{ - int i; - - for (i = 0; i < MAX_TIMER_DEV; i++) { - if (sound_timer_devs[i] == NULL) { - if (i >= num_sound_timers) - num_sound_timers++; - return i; - } - } - return -1; -} -EXPORT_SYMBOL(sound_alloc_timerdev); - -void sound_unload_mixerdev(int dev) -{ - if (dev != -1) { - mixer_devs[dev] = NULL; - unregister_sound_mixer(dev<<4); - num_mixers--; - } -} -EXPORT_SYMBOL(sound_unload_mixerdev); - -void sound_unload_mididev(int dev) -{ - if (dev != -1) { - midi_devs[dev] = NULL; - unregister_sound_midi((dev<<4)+2); - } -} -EXPORT_SYMBOL(sound_unload_mididev); - -void sound_unload_synthdev(int dev) -{ - if (dev != -1) - synth_devs[dev] = NULL; -} -EXPORT_SYMBOL(sound_unload_synthdev); - -void sound_unload_timerdev(int dev) -{ - if (dev != -1) - sound_timer_devs[dev] = NULL; -} -EXPORT_SYMBOL(sound_unload_timerdev); - |