diff options
Diffstat (limited to 'ANDROID_3.4.5/include/sound/control.h')
| -rw-r--r-- | ANDROID_3.4.5/include/sound/control.h | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/ANDROID_3.4.5/include/sound/control.h b/ANDROID_3.4.5/include/sound/control.h deleted file mode 100644 index 8332e865..00000000 --- a/ANDROID_3.4.5/include/sound/control.h +++ /dev/null @@ -1,243 +0,0 @@ -#ifndef __SOUND_CONTROL_H -#define __SOUND_CONTROL_H - -/* - * Header file for control interface - * 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 - * - */ - -#include <sound/asound.h> - -#define snd_kcontrol_chip(kcontrol) ((kcontrol)->private_data) - -struct snd_kcontrol; -typedef int (snd_kcontrol_info_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_info * uinfo); -typedef int (snd_kcontrol_get_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol); -typedef int (snd_kcontrol_put_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol); -typedef int (snd_kcontrol_tlv_rw_t)(struct snd_kcontrol *kcontrol, - int op_flag, /* 0=read,1=write,-1=command */ - unsigned int size, - unsigned int __user *tlv); - - -struct snd_kcontrol_new { - snd_ctl_elem_iface_t iface; /* interface identifier */ - unsigned int device; /* device/client number */ - unsigned int subdevice; /* subdevice (substream) number */ - const unsigned char *name; /* ASCII name of item */ - unsigned int index; /* index of item */ - unsigned int access; /* access rights */ - unsigned int count; /* count of same elements */ - snd_kcontrol_info_t *info; - snd_kcontrol_get_t *get; - snd_kcontrol_put_t *put; - union { - snd_kcontrol_tlv_rw_t *c; - const unsigned int *p; - } tlv; - unsigned long private_value; -}; - -struct snd_kcontrol_volatile { - struct snd_ctl_file *owner; /* locked */ - unsigned int access; /* access rights */ -}; - -struct snd_kcontrol { - struct list_head list; /* list of controls */ - struct snd_ctl_elem_id id; - unsigned int count; /* count of same elements */ - snd_kcontrol_info_t *info; - snd_kcontrol_get_t *get; - snd_kcontrol_put_t *put; - union { - snd_kcontrol_tlv_rw_t *c; - const unsigned int *p; - } tlv; - unsigned long private_value; - void *private_data; - void (*private_free)(struct snd_kcontrol *kcontrol); - struct snd_kcontrol_volatile vd[0]; /* volatile data */ -}; - -#define snd_kcontrol(n) list_entry(n, struct snd_kcontrol, list) - -struct snd_kctl_event { - struct list_head list; /* list of events */ - struct snd_ctl_elem_id id; - unsigned int mask; -}; - -#define snd_kctl_event(n) list_entry(n, struct snd_kctl_event, list) - -struct pid; - -struct snd_ctl_file { - struct list_head list; /* list of all control files */ - struct snd_card *card; - struct pid *pid; - int prefer_pcm_subdevice; - int prefer_rawmidi_subdevice; - wait_queue_head_t change_sleep; - spinlock_t read_lock; - struct fasync_struct *fasync; - int subscribed; /* read interface is activated */ - struct list_head events; /* waiting events for read */ -}; - -#define snd_ctl_file(n) list_entry(n, struct snd_ctl_file, list) - -typedef int (*snd_kctl_ioctl_func_t) (struct snd_card * card, - struct snd_ctl_file * control, - unsigned int cmd, unsigned long arg); - -void snd_ctl_notify(struct snd_card * card, unsigned int mask, struct snd_ctl_elem_id * id); - -struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new * kcontrolnew, void * private_data); -void snd_ctl_free_one(struct snd_kcontrol * kcontrol); -int snd_ctl_add(struct snd_card * card, struct snd_kcontrol * kcontrol); -int snd_ctl_remove(struct snd_card * card, struct snd_kcontrol * kcontrol); -int snd_ctl_replace(struct snd_card *card, struct snd_kcontrol *kcontrol, bool add_on_replace); -int snd_ctl_remove_id(struct snd_card * card, struct snd_ctl_elem_id *id); -int snd_ctl_rename_id(struct snd_card * card, struct snd_ctl_elem_id *src_id, struct snd_ctl_elem_id *dst_id); -int snd_ctl_activate_id(struct snd_card *card, struct snd_ctl_elem_id *id, - int active); -struct snd_kcontrol *snd_ctl_find_numid(struct snd_card * card, unsigned int numid); -struct snd_kcontrol *snd_ctl_find_id(struct snd_card * card, struct snd_ctl_elem_id *id); - -int snd_ctl_create(struct snd_card *card); - -int snd_ctl_register_ioctl(snd_kctl_ioctl_func_t fcn); -int snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn); -#ifdef CONFIG_COMPAT -int snd_ctl_register_ioctl_compat(snd_kctl_ioctl_func_t fcn); -int snd_ctl_unregister_ioctl_compat(snd_kctl_ioctl_func_t fcn); -#else -#define snd_ctl_register_ioctl_compat(fcn) -#define snd_ctl_unregister_ioctl_compat(fcn) -#endif - -static inline unsigned int snd_ctl_get_ioffnum(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) -{ - return id->numid - kctl->id.numid; -} - -static inline unsigned int snd_ctl_get_ioffidx(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) -{ - return id->index - kctl->id.index; -} - -static inline unsigned int snd_ctl_get_ioff(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) -{ - if (id->numid) { - return snd_ctl_get_ioffnum(kctl, id); - } else { - return snd_ctl_get_ioffidx(kctl, id); - } -} - -static inline struct snd_ctl_elem_id *snd_ctl_build_ioff(struct snd_ctl_elem_id *dst_id, - struct snd_kcontrol *src_kctl, - unsigned int offset) -{ - *dst_id = src_kctl->id; - dst_id->index += offset; - dst_id->numid += offset; - return dst_id; -} - -/* - * Frequently used control callbacks/helpers - */ -int snd_ctl_boolean_mono_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo); -int snd_ctl_boolean_stereo_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo); -int snd_ctl_enum_info(struct snd_ctl_elem_info *info, unsigned int channels, - unsigned int items, const char *const names[]); - -/* - * virtual master control - */ -struct snd_kcontrol *snd_ctl_make_virtual_master(char *name, - const unsigned int *tlv); -int _snd_ctl_add_slave(struct snd_kcontrol *master, struct snd_kcontrol *slave, - unsigned int flags); -/* optional flags for slave */ -#define SND_CTL_SLAVE_NEED_UPDATE (1 << 0) - -/** - * snd_ctl_add_slave - Add a virtual slave control - * @master: vmaster element - * @slave: slave element to add - * - * Add a virtual slave control to the given master element created via - * snd_ctl_create_virtual_master() beforehand. - * Returns zero if successful or a negative error code. - * - * All slaves must be the same type (returning the same information - * via info callback). The function doesn't check it, so it's your - * responsibility. - * - * Also, some additional limitations: - * at most two channels, - * logarithmic volume control (dB level) thus no linear volume, - * master can only attenuate the volume without gain - */ -static inline int -snd_ctl_add_slave(struct snd_kcontrol *master, struct snd_kcontrol *slave) -{ - return _snd_ctl_add_slave(master, slave, 0); -} - -/** - * snd_ctl_add_slave_uncached - Add a virtual slave control - * @master: vmaster element - * @slave: slave element to add - * - * Add a virtual slave control to the given master. - * Unlike snd_ctl_add_slave(), the element added via this function - * is supposed to have volatile values, and get callback is called - * at each time quried from the master. - * - * When the control peeks the hardware values directly and the value - * can be changed by other means than the put callback of the element, - * this function should be used to keep the value always up-to-date. - */ -static inline int -snd_ctl_add_slave_uncached(struct snd_kcontrol *master, - struct snd_kcontrol *slave) -{ - return _snd_ctl_add_slave(master, slave, SND_CTL_SLAVE_NEED_UPDATE); -} - -int snd_ctl_add_vmaster_hook(struct snd_kcontrol *kctl, - void (*hook)(void *private_data, int), - void *private_data); -void snd_ctl_sync_vmaster_hook(struct snd_kcontrol *kctl); - -/* - * Helper functions for jack-detection controls - */ -struct snd_kcontrol * -snd_kctl_jack_new(const char *name, int idx, void *private_data); -void snd_kctl_jack_report(struct snd_card *card, - struct snd_kcontrol *kctl, bool status); - -#endif /* __SOUND_CONTROL_H */ |