[mirror_ubuntu-zesty-kernel.git] / include / linux / kbd_kern.h

#ifndef _KBD_KERN_H
#define _KBD_KERN_H

#include <linux/tty.h>
#include <linux/interrupt.h>
#include <linux/keyboard.h>

extern struct tasklet_struct keyboard_tasklet;

extern char *func_table[MAX_NR_FUNC];
extern char func_buf[];
extern char *funcbufptr;
extern int funcbufsize, funcbufleft;

/*
 * kbd->xxx contains the VC-local things (flag settings etc..)
 *
 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
 *       The code in KDGETLED / KDSETLED depends on the internal and
 *       external order being the same.
 *
 * Note: lockstate is used as index in the array key_map.
 */
struct kbd_struct {

	unsigned char lockstate;
/* 8 modifiers - the names do not have any meaning at all;
   they can be associated to arbitrarily chosen keys */
#define VC_SHIFTLOCK	KG_SHIFT	/* shift lock mode */
#define VC_ALTGRLOCK	KG_ALTGR	/* altgr lock mode */
#define VC_CTRLLOCK	KG_CTRL 	/* control lock mode */
#define VC_ALTLOCK	KG_ALT  	/* alt lock mode */
#define VC_SHIFTLLOCK	KG_SHIFTL	/* shiftl lock mode */
#define VC_SHIFTRLOCK	KG_SHIFTR	/* shiftr lock mode */
#define VC_CTRLLLOCK	KG_CTRLL 	/* ctrll lock mode */
#define VC_CTRLRLOCK	KG_CTRLR 	/* ctrlr lock mode */
	unsigned char slockstate; 	/* for `sticky' Shift, Ctrl, etc. */

	unsigned char ledmode:2; 	/* one 2-bit value */
#define LED_SHOW_FLAGS 0        /* traditional state */
#define LED_SHOW_IOCTL 1        /* only change leds upon ioctl */
#define LED_SHOW_MEM 2          /* `heartbeat': peek into memory */

	unsigned char ledflagstate:4;	/* flags, not lights */
	unsigned char default_ledflagstate:4;
#define VC_SCROLLOCK	0	/* scroll-lock mode */
#define VC_NUMLOCK	1	/* numeric lock mode */
#define VC_CAPSLOCK	2	/* capslock mode */
#define VC_KANALOCK	3	/* kanalock mode */

	unsigned char kbdmode:3;	/* one 3-bit value */
#define VC_XLATE	0	/* translate keycodes using keymap */
#define VC_MEDIUMRAW	1	/* medium raw (keycode) mode */
#define VC_RAW		2	/* raw (scancode) mode */
#define VC_UNICODE	3	/* Unicode mode */
#define VC_OFF		4	/* disabled mode */

	unsigned char modeflags:5;
#define VC_APPLIC	0	/* application key mode */
#define VC_CKMODE	1	/* cursor key mode */
#define VC_REPEAT	2	/* keyboard repeat */
#define VC_CRLF		3	/* 0 - enter sends CR, 1 - enter sends CRLF */
#define VC_META		4	/* 0 - meta, 1 - meta=prefix with ESC */
};

extern int kbd_init(void);

extern unsigned char getledstate(void);
extern void setledstate(struct kbd_struct *kbd, unsigned int led);

extern int do_poke_blanked_console;

extern void (*kbd_ledfunc)(unsigned int led);

extern int set_console(int nr);
extern void schedule_console_callback(void);

/* FIXME: review locking for vt.c callers */
static inline void set_leds(void)
{
	tasklet_schedule(&keyboard_tasklet);
}

static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
{
	return ((kbd->modeflags >> flag) & 1);
}

static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
{
	return ((kbd->ledflagstate >> flag) & 1);
}

static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
{
	kbd->modeflags |= 1 << flag;
}

static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
{
	kbd->ledflagstate |= 1 << flag;
}

static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
{
	kbd->modeflags &= ~(1 << flag);
}

static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
{
	kbd->ledflagstate &= ~(1 << flag);
}

static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
{
	kbd->lockstate ^= 1 << flag;
}

static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
{
	kbd->slockstate ^= 1 << flag;
}

static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
{
	kbd->modeflags ^= 1 << flag;
}

static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
{
	kbd->ledflagstate ^= 1 << flag;
}

#define U(x) ((x) ^ 0xf000)

#define BRL_UC_ROW 0x2800

/* keyboard.c */

struct console;

void compute_shiftstate(void);

/* defkeymap.c */

extern unsigned int keymap_count;

/* console.c */

static inline void con_schedule_flip(struct tty_struct *t)
{
	unsigned long flags;
	spin_lock_irqsave(&t->buf.lock, flags);
	if (t->buf.tail != NULL)
		t->buf.tail->commit = t->buf.tail->used;
	spin_unlock_irqrestore(&t->buf.lock, flags);
	schedule_work(&t->buf.work);
}

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _KBD_KERN_H
	2	#define _KBD_KERN_H
	3
	4	#include <linux/tty.h>
	5	#include <linux/interrupt.h>
	6	#include <linux/keyboard.h>
	7
	8	extern struct tasklet_struct keyboard_tasklet;
	9
1da177e4 LT	10	extern char *func_table[MAX_NR_FUNC];
	11	extern char func_buf[];
	12	extern char *funcbufptr;
	13	extern int funcbufsize, funcbufleft;
	14
	15	/*
	16	* kbd->xxx contains the VC-local things (flag settings etc..)
	17	*
	18	* Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
	19	* The code in KDGETLED / KDSETLED depends on the internal and
	20	* external order being the same.
	21	*
	22	* Note: lockstate is used as index in the array key_map.
	23	*/
	24	struct kbd_struct {
	25
	26	unsigned char lockstate;
	27	/* 8 modifiers - the names do not have any meaning at all;
	28	they can be associated to arbitrarily chosen keys */
	29	#define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */
	30	#define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */
	31	#define VC_CTRLLOCK KG_CTRL /* control lock mode */
	32	#define VC_ALTLOCK KG_ALT /* alt lock mode */
	33	#define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */
	34	#define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */
	35	#define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */
	36	#define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */
	37	unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */
	38
	39	unsigned char ledmode:2; /* one 2-bit value */
	40	#define LED_SHOW_FLAGS 0 /* traditional state */
	41	#define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */
	42	#define LED_SHOW_MEM 2 /* `heartbeat': peek into memory */
	43
	44	unsigned char ledflagstate:4; /* flags, not lights */
	45	unsigned char default_ledflagstate:4;
	46	#define VC_SCROLLOCK 0 /* scroll-lock mode */
	47	#define VC_NUMLOCK 1 /* numeric lock mode */
	48	#define VC_CAPSLOCK 2 /* capslock mode */
	49	#define VC_KANALOCK 3 /* kanalock mode */
	50
9fc3de9c	51	unsigned char kbdmode:3; /* one 3-bit value */
1da177e4 LT	52	#define VC_XLATE 0 /* translate keycodes using keymap */
	53	#define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */
	54	#define VC_RAW 2 /* raw (scancode) mode */
	55	#define VC_UNICODE 3 /* Unicode mode */
9fc3de9c	56	#define VC_OFF 4 /* disabled mode */
1da177e4 LT	57
	58	unsigned char modeflags:5;
	59	#define VC_APPLIC 0 /* application key mode */
	60	#define VC_CKMODE 1 /* cursor key mode */
	61	#define VC_REPEAT 2 /* keyboard repeat */
	62	#define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */
	63	#define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */
	64	};
	65
1da177e4 LT	66	extern int kbd_init(void);
	67
	68	extern unsigned char getledstate(void);
	69	extern void setledstate(struct kbd_struct *kbd, unsigned int led);
	70
	71	extern int do_poke_blanked_console;
	72
	73	extern void (*kbd_ledfunc)(unsigned int led);
	74
b257bc05	75	extern int set_console(int nr);
1da177e4 LT	76	extern void schedule_console_callback(void);
1da177e4 LT	77
079c9534	78	/* FIXME: review locking for vt.c callers */
1da177e4 LT	79	static inline void set_leds(void)
	80	{
	81	tasklet_schedule(&keyboard_tasklet);
	82	}
	83
	84	static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
	85	{
	86	return ((kbd->modeflags >> flag) & 1);
	87	}
	88
	89	static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
	90	{
	91	return ((kbd->ledflagstate >> flag) & 1);
	92	}
	93
	94	static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
	95	{
	96	kbd->modeflags \|= 1 << flag;
	97	}
	98
	99	static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
	100	{
	101	kbd->ledflagstate \|= 1 << flag;
	102	}
	103
	104	static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
	105	{
	106	kbd->modeflags &= ~(1 << flag);
	107	}
	108
	109	static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
	110	{
	111	kbd->ledflagstate &= ~(1 << flag);
	112	}
	113
	114	static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
	115	{
	116	kbd->lockstate ^= 1 << flag;
	117	}
	118
	119	static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
	120	{
	121	kbd->slockstate ^= 1 << flag;
	122	}
	123
	124	static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
	125	{
	126	kbd->modeflags ^= 1 << flag;
	127	}
	128
	129	static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
	130	{
	131	kbd->ledflagstate ^= 1 << flag;
	132	}
	133
	134	#define U(x) ((x) ^ 0xf000)
	135
b9ec4e10 ST	136	#define BRL_UC_ROW 0x2800
b9ec4e10 ST	137
1da177e4 LT	138	/* keyboard.c */
	139
	140	struct console;
	141
1da177e4 LT	142	void compute_shiftstate(void);
	143
	144	/* defkeymap.c */
	145
	146	extern unsigned int keymap_count;
	147
	148	/* console.c */
	149
	150	static inline void con_schedule_flip(struct tty_struct *t)
	151	{
808249ce PF	152	unsigned long flags;
808249ce PF	153	spin_lock_irqsave(&t->buf.lock, flags);
33b37a33	154	if (t->buf.tail != NULL)
8977d929	155	t->buf.tail->commit = t->buf.tail->used;
808249ce	156	spin_unlock_irqrestore(&t->buf.lock, flags);
f23eb2b2	157	schedule_work(&t->buf.work);
1da177e4 LT	158	}
	159
	160	#endif