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/*
* drivers/input/keyboard/hp680_keyb.c
*
* HP Jornada 620 scan keyboard
*
* Copyright (C) 2005 Andriy Skulysh
* Copyright (C) 2006 Paul Mundt
*
* Splited from drivers/input/keyboard/hp600_keyb.c
*
* Copyright (C) 2000 YAEGASHI Takeshi
* HP600 keyboard scan routine and translation table
* Copyright (C) 2000 Niibe Yutaka
* HP620 keyboard translation table
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <asm/delay.h>
#include <asm/io.h>
#include "scan_keyb.h"
#define PCDR 0xa4000124
#define PDDR 0xa4000126
#define PEDR 0xa4000128
#define PFDR 0xa400012a
#define PGDR 0xa400012c
#define PHDR 0xa400012e
#define PJDR 0xa4000130
#define PKDR 0xa4000132
#define PLDR 0xa4000134
/****************************************************************
HP Jornada 620(Japanese version) keyboard scan matrix
PTC7 PTC6 PTC5 PTC4 PTC3 PTC2 PTC1 PTC0
PTD1 EREC BS Ctrl on/off - 0 9
PTD5 EREC BS Ctrl on/off ^ P O
PTD7 EREC BS Ctrl on/off ] @ L
PTE0 EREC BS Ctrl on/off Han/Zen [ ;
PTE1 EREC BS Ctrl on/off Enter : /
PTE3 EREC BS Ctrl on/off Right Up
PTE6 EREC BS Ctrl on/off Down Left
PTE7 EREC BS Ctrl on/off F8 F7
PTF7 PTF6 PTF5 PTF4 PTF3 PTF2 PTF1 PTF0
PTD1 8 7 6 5 4 3 2 1
PTD5 I U Y T R E W Q
PTD7 K J H G F D S A
PTE0 ESC Tab Shift
PTE1 . V Caps Hira
PTE3 , M N B Muhen C X
PTE6 _ \ Henkan Space Alt Z
PTE7 F6 F5 F4 F3 F2 F1 REC
PTH0
* on/off
7 6 5 4 3 2 1 0
C: 0xffff 0xff IP IP IP IP IP IP IP IP
D: 0x4404 0xaf O F O F F F O F
E: 0x5045 0xff O O F F O F O O
F: 0xffff 0xff IP IP IP IP IP IP IP IP
G: 0xd5ff 0x00 IP O O O IP IP IP IP
H: 0x63ff 0xd1 O I F IP IP IP IP IP
J: 0x0004 0x02 F F F F F F O F
K: 0x0401 0xff F F O F F F F O
L: 0x0c00 0x20 F F IP F F F F F
ADCSR: 0x08
ADCR: 0x3f
****************************************************************/
/****************************************************************
Japanese 109 keyboard scan code layout
E02A- E1-
01 3B 3C 3D 3E 3F 40 41 42 43 44 57 58 E037 46 1045
29 02 03 04 05 06 07 08 09 0A 0B 0C 0D 7D 0E E052 E047 E049 45 E035 37 4A
0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C E053 E04F E051 47 48 49 4E
3A 1E 1F 20 21 22 23 24 25 26 27 28 2B 4B 4C 4D
2A 2C 2D 2E 2F 30 31 32 33 34 35 73 36 E048 4F 50 51 E0-
1D DB 38 7B 39 79 70 E038 DC DD E01D E04B E050 E04D 52 53 1C
****************************************************************/
static const unsigned char hp620_japanese_table[] = {
/* PTD1 */
0x0a, 0x0b, 0x0c, 0x00, 0x00, 0x0e, 0x00, 0x00,
0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
/* PTD5 */
0x18, 0x19, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
/* PTD7 */
0x26, 0x1a, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x00,
0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
/* PTE0 */
0x27, 0x1b, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00,
0x2a, 0x0f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
/* PTE1 */
0x35, 0x28, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00,
0x70, 0x3a, 0x00, 0x00, 0x2f, 0x00, 0x00, 0x34,
/* PTE3 */
0x48, 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x2d, 0x2e, 0x7b, 0x30, 0x31, 0x32, 0x33,
/* PTE6 */
0x4b, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x2c, 0x38, 0x00, 0x39, 0x79, 0x7d, 0x73,
/* PTE7 */
0x41, 0x42, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00,
0x00, 0x00, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40,
/* **** */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static int hp620_japanese_scan_kbd(unsigned char *s)
{
int i;
unsigned char matrix_switch[] = {
0xfd, 0xff, /* PTD1 */
0xdf, 0xff, /* PTD5 */
0x7f, 0xff, /* PTD7 */
0xff, 0xfe, /* PTE0 */
0xff, 0xfd, /* PTE1 */
0xff, 0xf7, /* PTE3 */
0xff, 0xbf, /* PTE6 */
0xff, 0x7f, /* PTE7 */
}, *t=matrix_switch;
for(i=0; i<8; i++) {
ctrl_outb(*t++, PDDR);
ctrl_outb(*t++, PEDR);
udelay(50);
*s++=ctrl_inb(PCDR);
*s++=ctrl_inb(PFDR);
}
ctrl_outb(0xff, PDDR);
ctrl_outb(0xff, PEDR);
*s++=ctrl_inb(PGDR);
*s++=ctrl_inb(PHDR);
return 0;
}
static struct scan_keyboard hp620_kbd = {
.scan = hp620_japanese_scan_kbd,
.table = hp620_japanese_table,
.length = 18,
};
static int __init hp620_kbd_init_hw(void)
{
printk(KERN_INFO "HP620 matrix scan keyboard registered\n");
return register_scan_keyboard(&hp620_kbd);
}
static void __exit hp620_kbd_exit_hw(void)
{
unregister_scan_keyboard(&hp620_kbd);
}
module_init(hp620_kbd_init_hw);
module_exit(hp620_kbd_exit_hw);
MODULE_LICENSE("GPL");
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