Stricted
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* include/linux/sbsuspend.h
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _LINUX_SBSUSPEND_H
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#define _LINUX_SBSUSPEND_H
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#ifdef CONFIG_HAS_SBSUSPEND
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#include <linux/list.h>
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#endif
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//level definition
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enum {
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SB_LEVEL_DISABLE_TOUCH = 50,
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SB_LEVEL_DISABLE_KEYPAD = 100,
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SB_LEVEL_DISABLE_FB = 150,
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};
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//smartbook handler structure
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struct sb_handler {
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#ifdef CONFIG_HAS_SBSUSPEND
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struct list_head link;
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int level;
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char name[32];
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void (*plug_in)(struct sb_handler *h);
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void (*plug_out)(struct sb_handler *h);
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void (*enable)(struct sb_handler *h);
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void (*disable)(struct sb_handler *h);
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void (*suspend)(struct sb_handler *h);
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void (*resume)(struct sb_handler *h);
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#endif
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};
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typedef int __bitwise sb_state_t;
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#define SB_STATE_DISABLE ((__force sb_state_t) 0)
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#define SB_STATE_ENABLE ((__force sb_state_t) 1)
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#define SB_STATE_SUSPEND ((__force sb_state_t) 2)
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#define SB_STATE_RESUME ((__force sb_state_t) 3)
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#define SB_STATE_MAX ((__force sb_state_t) 4)
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/*
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typedef int __bitwise sb_event_t;
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#define SB_EVENT_ENABLE ((__force sb_state_t) 0)
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#define SB_EVENT_DISABLE ((__force sb_state_t) 1)
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#define SB_EVENT_SUSPEND ((__force sb_state_t) 2)
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#define SB_EVENT_RESUME ((__force sb_state_t) 3)
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*/
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#ifdef CONFIG_HAS_SBSUSPEND
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//for peripheral drivers who is smartbook aware to register handler (process context)
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extern void register_sb_handler(struct sb_handler *handler);
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extern void unregister_sb_handler(struct sb_handler *handler);
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//for tester to execute callbacks directly (process context)
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extern void sb_enable(void);
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extern void sb_disable(void);
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extern void sb_suspend(void);
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extern void sb_resume(void);
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//for hdmi driver to notify plug in/out event
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extern void sb_plug_in(void);
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extern void sb_plug_out(void);
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#else
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#define register_sb_handler(handler) do { } while (0)
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#define unregister_sb_handler(handler) do { } while (0)
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#define sb_enable() do { } while (0)
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#define sb_disable() do { } while (0)
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#define sb_suspend() do { } while (0)
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#define sb_resume() do { } while (0)
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#endif
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#endif //#ifndef _LINUX_SBSUSPEND_H
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