keyb.c

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

/* 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, R_ll, 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
};

static unsigned char ir_map_hansuntech[256] =
{
/* 00 */  R_S, K_NONE, key_volup, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 08 */  key_7   , K_NONE, key_f, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 10 */  key_3   , K_NONE, key_b, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 18 */  key_1   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 20 */  R_S   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 28 */  key_5   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 30 */  key_0   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 38 */  K_NONE, K_NONE, key_step, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 40 */  R_Power   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 48 */  key_clean   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 50 */  key_left   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 58 */  key_Menu  , K_NONE, key_enter, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 60 */  R_AN   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 68 */  key_9, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 70 */  key_Menu   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 78 */  key_3, K_NONE, key_down, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 80 */  K_NONE   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 88 */  key_8   , K_NONE, key_video, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 90 */  key_right   , K_NONE, key_f, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* 98 */  R_AN   , K_NONE, key_goto, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* a0 */  key_down  , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* a8 */  key_6   , K_NONE, key_prog, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* b0 */  key_5  , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* b8 */  key_up, K_NONE, key_voldown, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* c0 */  R_3   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* c8 */  key_step   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* d0 */  key_enter   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* d8 */  key_4, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* e0 */  key_non   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* e8 */  key_8   , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* f0 */  key_up  , K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE, K_NONE,
/* f8 */  key_2, 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 :  
			/* sets the "release_key" bit when a key is 
			   released. HP keyboard send f0 followed by 
			   the keycode while AT keyboard send the keycode
			   with this bit set. */
			brk = 0x80;
			return;
		case KBD_ESCAPEE0 :
			/* 2chars sequence, commonly used to differenciate 
			   the two ALT keys and the two ENTER keys and so 
			   on... */
			esc0 = 2;	/* e0-xx are 2 chars */
			scancode = keyval;
			break;
		case KBD_ESCAPEE1 :  
			/* 3chars sequence, only used by the Pause key. */
			esc1 = 3;	/* e1-xx-xx are 3 chars */
			scancode = keyval;
			break;
		case 0x14 : 
			/* translate e1-14-77-e1-f0-14-f0-77 to 
			   e1-1d-45-e1-9d-c5 (the Pause key) */
			if (esc1==2) scancode = brk | 0x1d;
			break;
		case 0x77 :
			if (esc1==1) scancode = brk | 0x45;
			break;
		case 0x12 :
			/* an extended key is e0-12-e0-xx e0-f0-xx-e0-f0-12
			   on HP, while it is e0-2a-e0-xx e0-(xx|80)-f0-aa 
			   on AT. */
			if (esc0==1) scancode = brk | 0x2a;
			break;
	}

	//printk("scancode 0x%.2x\n" , scancode);

	/* translates HP scancodes to AT scancodes */
	if (!scancode) scancode = brk | keycode_translate[keyval];

	//	printk("*******scancode 0x%.2x\n" , scancode);                                  / /********** huang modify
	
	if (!scancode) printk(KERN_INFO "keyboard: unexpected key code %02x\n",keyval);

	/* now behave like an AT keyboard */
	
	handle_keyboard(scancode);

	if (esc0) esc0--;
	if (esc1) esc1--;

	/* release key bit must be unset for the next key */
	brk = 0;
}

int kbd_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 
	       {
#ifdef KBD_REPORT_UNKN
		  	if (!raw_mode)
		    	printk(KERN_INFO "keyboard: unknown e1 escape sequence\n");
#endif
		  	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(KERN_INFO "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(KERN_INFO "keyboard: unrecognized scancode (%02x)"
			 " - ignored\n", scancode);
#endif