diff options
Diffstat (limited to 'ANDROID_3.4.5/include/sound/timer.h')
| -rw-r--r-- | ANDROID_3.4.5/include/sound/timer.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/ANDROID_3.4.5/include/sound/timer.h b/ANDROID_3.4.5/include/sound/timer.h deleted file mode 100644 index 7990469a..00000000 --- a/ANDROID_3.4.5/include/sound/timer.h +++ /dev/null @@ -1,143 +0,0 @@ -#ifndef __SOUND_TIMER_H -#define __SOUND_TIMER_H - -/* - * Timer abstract layer - * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, - * Abramo Bagnara <abramo@alsa-project.org> - * - * - * 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 - * - */ - -#include <sound/asound.h> -#include <linux/interrupt.h> - -#define snd_timer_chip(timer) ((timer)->private_data) - -#define SNDRV_TIMER_DEVICES 16 - -#define SNDRV_TIMER_DEV_FLG_PCM 0x10000000 - -#define SNDRV_TIMER_HW_AUTO 0x00000001 /* auto trigger is supported */ -#define SNDRV_TIMER_HW_STOP 0x00000002 /* call stop before start */ -#define SNDRV_TIMER_HW_SLAVE 0x00000004 /* only slave timer (variable resolution) */ -#define SNDRV_TIMER_HW_FIRST 0x00000008 /* first tick can be incomplete */ -#define SNDRV_TIMER_HW_TASKLET 0x00000010 /* timer is called from tasklet */ - -#define SNDRV_TIMER_IFLG_SLAVE 0x00000001 -#define SNDRV_TIMER_IFLG_RUNNING 0x00000002 -#define SNDRV_TIMER_IFLG_START 0x00000004 -#define SNDRV_TIMER_IFLG_AUTO 0x00000008 /* auto restart */ -#define SNDRV_TIMER_IFLG_FAST 0x00000010 /* fast callback (do not use tasklet) */ -#define SNDRV_TIMER_IFLG_CALLBACK 0x00000020 /* timer callback is active */ -#define SNDRV_TIMER_IFLG_EXCLUSIVE 0x00000040 /* exclusive owner - no more instances */ -#define SNDRV_TIMER_IFLG_EARLY_EVENT 0x00000080 /* write early event to the poll queue */ - -#define SNDRV_TIMER_FLG_CHANGE 0x00000001 -#define SNDRV_TIMER_FLG_RESCHED 0x00000002 /* need reschedule */ - -struct snd_timer; - -struct snd_timer_hardware { - /* -- must be filled with low-level driver */ - unsigned int flags; /* various flags */ - unsigned long resolution; /* average timer resolution for one tick in nsec */ - unsigned long resolution_min; /* minimal resolution */ - unsigned long resolution_max; /* maximal resolution */ - unsigned long ticks; /* max timer ticks per interrupt */ - /* -- low-level functions -- */ - int (*open) (struct snd_timer * timer); - int (*close) (struct snd_timer * timer); - unsigned long (*c_resolution) (struct snd_timer * timer); - int (*start) (struct snd_timer * timer); - int (*stop) (struct snd_timer * timer); - int (*set_period) (struct snd_timer * timer, unsigned long period_num, unsigned long period_den); - int (*precise_resolution) (struct snd_timer * timer, unsigned long *num, unsigned long *den); -}; - -struct snd_timer { - int tmr_class; - struct snd_card *card; - struct module *module; - int tmr_device; - int tmr_subdevice; - char id[64]; - char name[80]; - unsigned int flags; - int running; /* running instances */ - unsigned long sticks; /* schedule ticks */ - void *private_data; - void (*private_free) (struct snd_timer *timer); - struct snd_timer_hardware hw; - spinlock_t lock; - struct list_head device_list; - struct list_head open_list_head; - struct list_head active_list_head; - struct list_head ack_list_head; - struct list_head sack_list_head; /* slow ack list head */ - struct tasklet_struct task_queue; -}; - -struct snd_timer_instance { - struct snd_timer *timer; - char *owner; - unsigned int flags; - void *private_data; - void (*private_free) (struct snd_timer_instance *ti); - void (*callback) (struct snd_timer_instance *timeri, - unsigned long ticks, unsigned long resolution); - void (*ccallback) (struct snd_timer_instance * timeri, - int event, - struct timespec * tstamp, - unsigned long resolution); - void *callback_data; - unsigned long ticks; /* auto-load ticks when expired */ - unsigned long cticks; /* current ticks */ - unsigned long pticks; /* accumulated ticks for callback */ - unsigned long resolution; /* current resolution for tasklet */ - unsigned long lost; /* lost ticks */ - int slave_class; - unsigned int slave_id; - struct list_head open_list; - struct list_head active_list; - struct list_head ack_list; - struct list_head slave_list_head; - struct list_head slave_active_head; - struct snd_timer_instance *master; -}; - -/* - * Registering - */ - -int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid, struct snd_timer **rtimer); -void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstamp); -int snd_timer_global_new(char *id, int device, struct snd_timer **rtimer); -int snd_timer_global_free(struct snd_timer *timer); -int snd_timer_global_register(struct snd_timer *timer); - -int snd_timer_open(struct snd_timer_instance **ti, char *owner, struct snd_timer_id *tid, unsigned int slave_id); -int snd_timer_close(struct snd_timer_instance *timeri); -unsigned long snd_timer_resolution(struct snd_timer_instance *timeri); -int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks); -int snd_timer_stop(struct snd_timer_instance *timeri); -int snd_timer_continue(struct snd_timer_instance *timeri); -int snd_timer_pause(struct snd_timer_instance *timeri); - -void snd_timer_interrupt(struct snd_timer *timer, unsigned long ticks_left); - -#endif /* __SOUND_TIMER_H */ |