keyb.c.org

键盘设备驱动,只需修改代码里的功能码和系统码即可使用

/*
 */
#include <linux/module.h>
#include <linux/config.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/mm.h>
#include <linux/signal.h>
#include <linux/init.h>
#include <linux/kbd_ll.h>
#include <linux/delay.h>
#include <linux/random.h>
#include <linux/poll.h>
#include <linux/miscdevice.h>
#include <linux/slab.h>
#include <linux/kbd_kern.h>
#include <linux/vt_kern.h>
#include <linux/smp_lock.h>
#include <linux/kd.h>
#include <linux/pm.h>

#include <asm/bitops.h>
#include <asm/uaccess.h>
#include <asm/irq.h>
#include <asm/system.h>

#include <asm/io.h>

#include <linux/pc_keyb.h>

/*
 * Module params by chchen
 */
static int debug = 0; /* insmod parameter */
static int ir_type = 1; /* 0: SUNPLUS 1: COSHIP */
static int use_keyb = 1; /* 1: enable 0: disable PS2 keyb */
static int use_ir = 1; /* 1: enable 0: disable IR */
static int time_tick = 10; /* 1-15 : 1=10ms 15=150ms polling time*/

#if LINUX_VERSION_CODE >= 0x020100
MODULE_PARM(debug,"i");
MODULE_PARM(ir_type,"i");
MODULE_PARM(use_keyb,"i");
MODULE_PARM(use_ir,"i");
MODULE_PARM(time_tick,"i");
#endif

#define	SUPPORT_IR

#ifdef MIKEY_100ms
#define SCANHZ 1	//10ms
#else
#define SCANHZ time_tick	//100ms
#endif

#define	UINT32	u32

UINT32	*ps2_dat=(UINT32 *)0xbffe8a80;
UINT32	*ps2_tat=(UINT32 *)0xbffe8a84;
UINT32	*ps2_con=(UINT32 *)0xbffe8a88;
UINT32	*ps2_sig=(UINT32 *)0xbffe8a8c;
#define	PORT_PSDAT	(*ps2_dat)
#define	PORT_PSTAT	(*ps2_tat)
#define PORT_PSCON	(*ps2_con)
#define PORT_PSSSIG     (*pps2_sig)

#define inportb(x)	(x)
#define outportb(x,y)	x=y    

#define BASE     0xa8000000

typedef	struct	
{
	unsigned char	status;
	unsigned char	x;
	unsigned char	y;
} MOUSE_EVENT;

static inline void handle_keyboard(unsigned char scancode);

#define KBD_ESCAPEE0	0xe0		/* in */
#define KBD_ESCAPEE1	0xe1		/* in */
#define KBD_BREAK	0xf0
#define KBD_RESEND	0xfe

 #define K_NONE		0x7f
 #define K_ESC		0x01
//MIKEY
#undef	K_F1
#undef	K_F2
#undef	K_F3
#undef	K_F4
#undef	K_F5
#undef	K_F6
#undef	K_F7
#undef	K_F8
#undef	K_F9
#undef	K_F10
#undef	K_F11
#undef	K_F12
#undef	K_CAPS

 #define K_F1		0x3b
 #define K_F2		0x3c
 #define K_F3		0x3d
 #define K_F4		0x3e
 #define K_F5		0x3f
 #define K_F6		0x40
 #define K_F7		0x41
 #define K_F8		0x42
 #define K_F9		0x43
 #define K_F10		0x44
 #define K_F11		0x57
 #define K_F12		0x58

 #define K_PRNT		0x54
 #define K_SCRL		0x46
 #define K_BRK		0x77
 #define K_AGR		0x29
 #define K_1		0x02
 #define K_2		0x03
 #define K_3		0x04
 #define K_4		0x05
 #define K_5		0x06
 #define K_6		0x07
 #define K_7		0x08
 #define K_8		0x09
 #define K_9		0x0a
 #define K_0		0x0b
 #define K_MINS		0x0c
 #define K_EQLS		0x0d
 #define K_BKSP		0x0e
 #define K_INS		0x6e
 #define K_HOME		0x66
// #define K_PGUP		0x68
 #define K_NUML		0x45
 #define KP_SLH		0x62
 #define KP_STR		0x37
 #define KP_MNS		0x4a
 #define K_TAB		0x0f
 #define K_Q		0x10
 #define K_W		0x11
 #define K_E		0x12
 #define K_R		0x13
 #define K_T		0x14
 #define K_Y		0x15
 #define K_U		0x16
 #define K_I		0x17
 #define K_O		0x18
 #define K_P		0x19
 #define K_LSBK		0x1a
 #define K_RSBK		0x1b
 #define K_ENTR		0x1c
 #define K_DEL		111
 #define K_END		0x6b
// #define K_PGDN		0x6d
 #define KP_7		0x47
 #define KP_8		0x48
 #define KP_9		0x49
 #define KP_PLS		0x4e
 #define K_CAPS		0x3a
 #define K_A		0x1e
 #define K_S		0x1f
 #define K_D		0x20
 #define K_F		0x21
 #define K_G		0x22
 #define K_H		0x23
 #define K_J		0x24
 #define K_K		0x25
 #define K_L		0x26
 #define K_SEMI		0x27
 #define K_SQOT		0x28
 #define K_HASH		K_NONE
 #define KP_4		0x4b
 #define KP_5		0x4c
 #define KP_6		0x4d
 #define K_LSFT		0x2a
 #define K_BSLH		0x2b
 #define K_Z		0x2c
 #define K_X		0x2d
 #define K_C		0x2e
 #define K_V		0x2f
 #define K_B		0x30
 #define K_N		0x31
 #define K_M		0x32
 #define K_COMA		0x33
 #define K_DOT		0x34
 #define K_FSLH		0x35
 #define K_RSFT		0x36
// #define K_UP		0x67
 #define KP_1		0x4f
 #define KP_2		0x50
 #define KP_3		0x51
 #define KP_ENT		0x60
 #define K_LCTL		0x1d
 #define K_LALT		0x38
 #define K_SPCE		0x39
 #define K_RALT		0x64
 #define K_RCTL		0x61
// #define K_LEFT		0x69
// #define K_DOWN		0x6c
// #define K_RGHT		0x6a
 #define KP_0		0x52
 #define KP_DOT		0x53

static unsigned char keycode_translate[256] =
{
/* 00 */  K_NONE, K_F9  , K_NONE, K_F5  , K_F3  , K_F1  , K_F2  , K_F12 ,
/* 08 */  K_NONE, K_F10 , K_F8  , K_F6  , K_F4  , K_TAB , K_AGR , K_NONE,
/* 10 */  K_NONE, K_LALT, K_LSFT, K_NONE, K_LCTL, K_Q   , K_1   , K_NONE,
/* 18 */  K_NONE, K_NONE, K_Z   , K_S   , K_A   , K_W   , K_2   , K_NONE,
/* 20 */  K_NONE, K_C   , K_X   , K_D   , K_E   , K_4   , K_3   , K_NONE,
/* 28 */  K_NONE, K_SPCE, K_V   , K_F   , K_T   , K_R   , K_5   , K_NONE,
/* 30 */  K_NONE, K_N   , K_B   , K_H   , K_G   , K_Y   , K_6   , K_NONE,
/* 38 */  K_NONE, K_NONE, K_M   , K_J   , K_U   , K_7   , K_8   , K_NONE,
/* 40 */  K_NONE, K_COMA, K_K   , K_I   , K_O   , K_0   , K_9   , K_NONE,
/* 48 */  K_NONE, K_DOT , K_FSLH, K_L   , K_SEMI, K_P   , K_MINS, K_NONE,
/* 50 */  K_NONE, K_NONE, K_SQOT, K_NONE, K_LSBK, K_EQLS, K_NONE, K_NONE,
/* 58 */  K_CAPS, K_RSFT, K_ENTR, K_RSBK, K_NONE, K_BSLH, K_NONE, K_NONE,
/* 60 */  K_NONE, K_HASH, K_NONE, K_NONE, K_NONE, K_NONE, K_BKSP, K_NONE,
/* 68 */  K_NONE, KP_1  , K_NONE, KP_4  , KP_7  , K_NONE, K_NONE, K_NONE,
/* 70 */  KP_0  , KP_DOT, KP_2  , KP_5  , KP_6  , KP_8  , K_ESC , K_NUML,
/* 78 */  K_F11 , KP_PLS, KP_3  , KP_MNS, KP_STR, KP_9  , K_SCRL, K_PRNT,
/* 80 */  K_NONE, K_NONE, K_NONE, K_F7  , K_NONE, K_NONE, K_NONE, K_NONE,
/* 88 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 90 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 98 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* a0 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* a8 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* b0 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* b8 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* c0 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* c8 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* d0 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* d8 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* e0 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* e8 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* f0 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* f8 */  K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, KBD_RESEND, K_NONE
};

#define	R_P	0x4d
#define	R_L	0x4b
#define	R_S	0x1b
#define	R_T	0x2c
#define	R_A	0x1c
#define	R_R	0x2d
#define	R_V	0x2a
#define	R_I	0x43
#define	R_ll	0x54
#define	R_rr	0x5b
#define	R_1	0x16
#define	R_2	0x1e
#define	R_3	0x26
#define	R_4	0x25
#define	R_5	0x2e
#define	R_6	0x36
#define	R_7	0x3d
#define	R_8	0x3e
#define	R_9	0x46
#define	R_0	0x45
#define	R_UP	0x75
#define	R_DOWN	0x72
#define	R_LEFT	0x6b
#define	R_RGHT	0x74
#define	R_ENTR	0x5a
#define	R_G	0x34
#define	R_F	0x2b
#define	R_E	0x24
#define	R_M	0x3a

#define	R_O	0x44
/*
#define	R_PLUS	0x79	//KEYPAD '+'
#define	R_MINS	0x7b	//KEYPAD '-'
*/
#define	R_PLUS	0x55	// '='
#define	R_MINS	0x4e	// '-'
#define	R_BSLH	0x5d
#define	R_J	0x3b
#define	R_X	0x22
#define	R_K	0x42
#define	R_N	0x31
#define	R_Z	0x1a
#define	R_H	0x33
#define	R_Q	0x15
#define	R_B	0x32
#define	R_C	0x21
#define	R_W	0x1d
#define	R_U	0x3c
#define	R_D	0x23
#define	R_Y	0x35
#define	R_SLSH	0x4a


static unsigned char ir_map_sunplus[256] =
{
/* 00 */  R_P   , K_NONE, R_ENTR, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 08 */  R_J   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 10 */  R_6   , K_NONE, R_W   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 18 */  R_N   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 20 */  R_3   , K_NONE, R_Q   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 28 */  R_E   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 30 */  R_9   , K_NONE, R_Y   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 38 */  R_rr  , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 40 */  R_1   , K_NONE, R_DOWN, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 48 */  R_I   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 50 */  R_7   , K_NONE, R_D   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 58 */  R_F   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 60 */  R_4   , K_NONE, R_C   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 68 */  R_A   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 70 */  R_0   , K_NONE, R_S   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 78 */  R_UP  , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 80 */  R_O   , K_NONE, R_RGHT, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 88 */  R_V   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 90 */  R_MINS, K_NONE, R_U   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 98 */  R_Z   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* a0 */  R_PLUS, K_NONE, R_B   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* a8 */  R_X   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* b0 */  R_T   , K_NONE, R_SLSH, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* b8 */  R_L   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* c0 */  R_2   , K_NONE, R_H   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* c8 */  R_M   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* d0 */  R_8   , K_NONE, R_G   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* d8 */  R_ll  , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* e0 */  R_5   , K_NONE, R_R   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* e8 */  R_K   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* f0 */  R_BSLH, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* f8 */  R_LEFT, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE
};

#include "ir_map_coship.c"

static unsigned char *ir_map=ir_map_sunplus;

#define E0_KPENTER 96
#define E0_RCTRL   97
#define E0_KPSLASH 98
#define E0_PRSCR   99
#define E0_RALT    100
#define E0_BREAK   101  /* (control-pause) */
#define E0_HOME    102
#define E0_UP      103
#define E0_PGUP    104
#define E0_LEFT    105
#define E0_RIGHT   106
#define E0_END     107
#define E0_DOWN    108
#define E0_PGDN    109
#define E0_INS     110
#define E0_DEL     111

#define E1_PAUSE   119

/*
 * The keycodes below are randomly located in 89-95,112-118,120-127.
 * They could be thrown away (and all occurrences below replaced by 0),
 * but that would force many users to use the `setkeycodes' utility, where
 * they needed not before. It does not matter that there are duplicates, as
 * long as no duplication occurs for any single keyboard.
 */
#define SC_LIM 89

#define FOCUS_PF1 85           /* actual code! */
#define FOCUS_PF2 89
#define FOCUS_PF3 90
#define FOCUS_PF4 91
#define FOCUS_PF5 92
#define FOCUS_PF6 93
#define FOCUS_PF7 94
#define FOCUS_PF8 95
#define FOCUS_PF9 120
#define FOCUS_PF10 121
#define FOCUS_PF11 122
#define FOCUS_PF12 123

#define JAP_86     124
/* [e-mail]:
 * The four keys are located over the numeric keypad, and are
 * labelled A1-A4. It's an rc930 keyboard, from
 * Regnecentralen/RC International, Now ICL.
 * Scancodes: 59, 5a, 5b, 5c.
 */
#define RGN1 124
#define RGN2 125
#define RGN3 126
#define RGN4 127

static unsigned char high_keys[128 - SC_LIM] = {
  RGN1, RGN2, RGN3, RGN4, 0, 0, 0,                   /* 0x59-0x5f */
  0, 0, 0, 0, 0, 0, 0, 0,                            /* 0x60-0x67 */
  0, 0, 0, 0, 0, FOCUS_PF11, 0, FOCUS_PF12,          /* 0x68-0x6f */
  0, 0, 0, FOCUS_PF2, FOCUS_PF9, 0, 0, FOCUS_PF3,    /* 0x70-0x77 */
  FOCUS_PF4, FOCUS_PF5, FOCUS_PF6, FOCUS_PF7,        /* 0x78-0x7b */
  FOCUS_PF8, JAP_86, FOCUS_PF10, 0                   /* 0x7c-0x7f */
};

/* BTC */
#define E0_MACRO   112
/* LK450 */
#define E0_F13     113
#define E0_F14     114
#define E0_HELP    115
#define E0_DO      116
#define E0_F17     117
#define E0_KPMINPLUS 118
/*
 * My OmniKey generates e0 4c for  the "OMNI" key and the
 * right alt key does nada. [[e-mail]]
 */
#define E0_OK	124
/*
 * New microsoft keyboard is rumoured to have
 * e0 5b (left window button), e0 5c (right window button),
 * e0 5d (menu button). [or: LBANNER, RBANNER, RMENU]
 * [or: Windows_L, Windows_R, TaskMan]
 */
#define E0_MSLW	125
#define E0_MSRW	126
#define E0_MSTM	127

static unsigned char e0_keys[128] = {
  0, 0, 0, 0, 0, 0, 0, 0,			      /* 0x00-0x07 */
  0, 0, 0, 0, 0, 0, 0, 0,			      /* 0x08-0x0f */
  0, 0, 0, 0, 0, 0, 0, 0,			      /* 0x10-0x17 */
  0, 0, 0, 0, E0_KPENTER, E0_RCTRL, 0, 0,	      /* 0x18-0x1f */
  0, 0, 0, 0, 0, 0, 0, 0,			      /* 0x20-0x27 */
  0, 0, 0, 0, 0, 0, 0, 0,			      /* 0x28-0x2f */
  0, 0, 0, 0, 0, E0_KPSLASH, 0, E0_PRSCR,	      /* 0x30-0x37 */
  E0_RALT, 0, 0, 0, 0, E0_F13, E0_F14, E0_HELP,	      /* 0x38-0x3f */
  E0_DO, E0_F17, 0, 0, 0, 0, E0_BREAK, E0_HOME,	      /* 0x40-0x47 */
  E0_UP, E0_PGUP, 0, E0_LEFT, E0_OK, E0_RIGHT, E0_KPMINPLUS, E0_END,/* 0x48-0x4f */
  E0_DOWN, E0_PGDN, E0_INS, E0_DEL, 0, 0, 0, 0,	      /* 0x50-0x57 */
  0, 0, 0, E0_MSLW, E0_MSRW, E0_MSTM, 0, 0,	      /* 0x58-0x5f */
  0, 0, 0, 0, 0, 0, 0, 0,			      /* 0x60-0x67 */
  0, 0, 0, 0, 0, 0, 0, E0_MACRO,		      /* 0x68-0x6f */
  0, 0, 0, 0, 0, 0, 0, 0,			      /* 0x70-0x77 */
  0, 0, 0, 0, 0, 0, 0, 0			      /* 0x78-0x7f */
};

int pckbd_translate(unsigned char scancode, unsigned char *keycode,
                    char raw_mode)
{
        static int prev_scancode;

        /* special prefix scancodes.. */
        if (scancode == 0xe0 || scancode == 0xe1) {
                prev_scancode = scancode;
                return 0;
        }

        /* 0xFF is sent by a few keyboards, ignore it. 0x00 is error */
        if (scancode == 0x00 || scancode == 0xff) {
                prev_scancode = 0;
                return 0;
        }

        scancode &= 0x7f;
        if (prev_scancode) {
          /*
           * usually it will be 0xe0, but a Pause key generates
           * e1 1d 45 e1 9d c5 when pressed, and nothing when released
           */
          if (prev_scancode != 0xe0) {
              if (prev_scancode == 0xe1 && scancode == 0x1d) {
                  prev_scancode = 0x100;
                  return 0;
              } else if (prev_scancode == 0x100 && scancode == 0x45) {
                  *keycode = E1_PAUSE;
                  prev_scancode = 0;
              } else {
                  prev_scancode = 0;
                  return 0;
              }
          } else {
              prev_scancode = 0;
              /*
               *  The keyboard maintains its own internal caps lock and
               *  num lock statuses. In caps lock mode E0 AA precedes make
               *  code and E0 2A follows break code. In num lock mode,
               *  E0 2A precedes make code and E0 AA follows break code.
               *  We do our own book-keeping, so we will just ignore these.
               */
              /*
               *  For my keyboard there is no caps lock mode, but there are
               *  both Shift-L and Shift-R modes. The former mode generates
               *  E0 2A / E0 AA pairs, the latter E0 B6 / E0 36 pairs.
               *  So, we should also ignore the latter. - [e-mail]
               */
              if (scancode == 0x2a || scancode == 0x36)
                return 0;

              if (e0_keys[scancode])
                *keycode = e0_keys[scancode];
              else {
#ifdef KBD_REPORT_UNKN
                  if (!raw_mode)
                    printk("keyboard: unknown scancode e0 %02x\n",
                           scancode);
#endif
                  return 0;
              }
          }
        } else if (scancode >= SC_LIM) {
            /* This happens with the FOCUS 9000 keyboard
               Its keys PF1..PF12 are reported to generate
               55 73 77 78 79 7a 7b 7c 74 7e 6d 6f
               Moreover, unless repeated, they do not generate
               key-down events, so we have to zero up_flag below */
            /* Also, Japanese 86/106 keyboards are reported to
               generate 0x73 and 0x7d for \ - and \ | respectively. */
            /* Also, some Brazilian keyboard is reported to produce
               0x73 and 0x7e for \ ? and KP-dot, respectively. */
          *keycode = high_keys[scancode - SC_LIM];

          if (!*keycode) {
              if (!raw_mode) {
#ifdef KBD_REPORT_UNKN
                  printk("keyboard: unrecognized scancode (%02x)"
                         " - ignored\n", scancode);
#endif
              }
              return 0;
          }
        } else
          *keycode = scancode;
        return 1;
}


void handle_at_scancode(int keyval)
{
	static int brk;
	static int esc0;
	static int esc1;
	int scancode = 0;
	//printk("-%x-\n",keyval);
	switch (keyval) {
		case KBD_BREAK :