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/*
* drivers/input/keyboard/hp680_keyb.c
*
* HP Jornada 680/690 scan keyboard
*
* Copyright (C) 2005 Andriy Skulysh
* Copyright (C) 2006 Paul Mundt
* Copyright (C) 2007 Kristoffer Ericson
*
* 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 PCCR 0xa4000104
#define PDCR 0xa4000106
#define PECR 0xa4000108
#define PFCR 0xa400010a
#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 680(SWEDISH version) keyboard
[!] indicates Special Characters
_______________________________________________________________________
| ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 POWER|
| 1 2 3 4 5 6 7 8 9 0 + ` BKPSPACE|
|* Q W E R T Y U I O P ! ^ ENTER|
| TAB A S D F G H J K L ! ! ' ENTER|
| SHIFT Z X C V B N M , . - UP SHIFT|
| CTRL WIN ALT ? =======SPACE======== ALTG DEL LEF DO RI ]
-----------------------------------------------------------------------
****************************************************************/
/****************************************************************
HP Jornada 690(Japanese version) keyboard scan matrix
PTC7 PTC6 PTC5 PTC4 PTC3 PTC2 PTC1 PTC0
PTD1 REC Escape on/off Han/Zen Hira Eisu
PTD5 REC Z on/off Enter : /
PTD7 REC Right Down
PTE0 REC Windows on/off
PTE1 REC A on/off ] [ ;
PTE3 REC Tab on/off ShirtR \ Up
PTE6 REC Q on/off BS @ P
PTE7 REC 1 on/off ^ - 0
PTF7 PTF6 PTF5 PTF4 PTF3 PTF2 PTF1 PTF0
PTD1 F5 F4 F6 F7 F8 F3 F2 F1
PTD5 N B M , . V C X
PTD7 Muhen Alt Left
PTE0 Henkan _ Del Space Ctrl
PTE1 H G J K L F D S
PTE3 ShiftL
PTE6 Y T U I O R E W
PTE7 6 5 7 8 9 4 3 2
PTG5 PTG4 PTG3 PTG0 PTH0
* REC REW FWW Cover on/off
7 6 5 4 3 2 1 0
C: 0xffff 0xdf IP IP IP IP IP IP IP IP
D: 0x6786 0x59 O I O IP I F O I
E: 0x5045 0x00 O O F F O F O O
F: 0xffff 0xff IP IP IP IP IP IP IP IP
G: 0xaffe 0xfd I I IP IP IP IP IP I
H: 0x70f2 0x49 O IP F F IP IP F I
J: 0x0704 0x22 F F O IP F F O F
K: 0x0100 0x10 F F F O F F F F
L: 0x0c3c 0x26 F F IP F F IP IP F
****************************************************************/
static const unsigned char hp680_japanese_table[] = {
/*
/* PTD1 */
/* ? ? ? ? Esc ? ? ? */
0x3a, 0x70, 0x29, 0x00, 0x01, 0x00, 0x00, 0x00,
/* F1 F2 F3 F8 F7 F6 F4 F5 */
0x3b, 0x3c, 0x3d, 0x42, 0x41, 0x40, 0x3e, 0x3f,
/* PTD5 */
/* / : Enter ? Z ? ? ? */
0x35, 0x28, 0x1c, 0x00, 0x2c, 0x00, 0x00, 0x00,
/* X C V . , M B N */
0x2d, 0x2e, 0x2f, 0x34, 0x33, 0x32, 0x30, 0x31,
/* PTD7 */
/* Down Right ? ? ? ? ? ? */
0x50, 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* ? ? ? Left ? ? Alt ? */
0x00, 0x00, 0x00, 0x4b, 0x00, 0x00, 0x38, 0x7b,
/* PTE0 */
/* ? ? ? ? Win ? ? ? */
0x00, 0x00, 0x00, 0x00, 0xdb, 0x00, 0x00, 0x00,
/* Ctrl ? Space Del _ ? ? ? */
0x1d, 0x00, 0x39, 0x53, 0x73, 0xf9, 0x00, 0x00,
/* PTE1 */
/* ; [ ] ? A ? ? ? */
0x27, 0x1b, 0x2b, 0x00, 0x1e, 0x00, 0x00, 0x00,
/* S D F L K J G H */
0x1f, 0x20, 0x21, 0x26, 0x25, 0x24, 0x22, 0x23,
/* PTE3 */
/* Up \ ShiftR ? Q ? ? ? */
0x48, 0x7d, 0x36, 0x00, 0x0f, 0x00, 0x00, 0x00,
/* ? ShiftL ? ? ? ? ? ? */
0x00, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* PTE6 */
/* P @ BS ? Q ? ? ? */
0x19, 0x1a, 0x0e, 0x00, 0x10, 0x00, 0x00, 0x00,
/* W E R O I U T Y */
0x11, 0x12, 0x13, 0x18, 0x17, 0x16, 0x14, 0x15,
/* PTE7 */
/* 0 + = ? 1 ? ? ? */
0x0b, 0x0c, 0x0d, 0x00, 0x02, 0x00, 0x00, 0x00,
/* 2 3 4 9 8 7 5 6 */
0x03, 0x04, 0x05, 0x0a, 0x09, 0x08, 0x06, 0x07,
/* **** */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static int hp680_japanese_scan_kbd(unsigned char *s)
{
int i;
unsigned short ec_static,dc_static; /* = UINT16_t */
unsigned char matrix_switch[] = {
0xfd, 0xff, /* PTD1 PD(1) */
0xdf, 0xff, /* PTD5 PD(5) */
0x7f, 0xff, /* PTD7 PD(7) */
0xff, 0xfe, /* PTE0 PE(0) */
0xff, 0xfd, /* PTE1 PE(1) */
0xff, 0xf7, /* PTE3 PE(3) */
0xff, 0xbf, /* PTE6 PE(6) */
0xff, 0x7f, /* PTE7 PE(7) */
}, *t=matrix_switch;
/* PD(x) :
1. 0xcc0c & (1~(1 << (2*(x)+1)))))
2. (0xf0cf & 0xfffff) */
/* PE(x) :
1. 0xcc0c & 0xffff
2. 0xf0cf & (1~(1 << (2*(x)+1))))) */
unsigned short matrix_PDE[] = {
0xcc04, 0xf0cf, /* PD(1) */
0xc40c, 0xf0cf, /* PD(5) */
0x4c0c, 0xf0cf, /* PD(7) */
0xcc0c, 0xf0cd, /* PE(0) */
0xcc0c, 0xf0c7, /* PE(1) */
0xcc0c, 0xf04f, /* PE(3) */
0xcc0c, 0xd0cf, /* PE(6) */
0xcc0c, 0x70cf, /* PE(7) */
}
, *y=matrix_PDE;
/* Save these control reg bits */
dc_static = (ctrl_inw(PDCR) & (~0xcc0c));
ec_static = (ctrl_inw(PECR) & (~0xf0cf));
for(i=0; i<8; i++) {
/* disable output for all but the one we want to scan */
ctrl_outw((dc_static | *y++), PDCR);
ctrl_outw((ec_static | *y++), PECR);
udelay(5);
/* Get scanline row */
ctrl_outb(*t++, PDDR);
ctrl_outb(*t++, PEDR);
udelay(50);
/* Read data */
*s++=ctrl_inb(PCDR);
*s++=ctrl_inb(PFDR);
}
/* Scan no lines */
ctrl_outb(0xff, PDDR);
ctrl_outb(0xff, PEDR);
/* Enable all scanlines */
ctrl_outw((dc_static | (0x5555 & 0xcc0c)),PDCR);
ctrl_outw((ec_static | (0x5555 & 0xf0cf)),PECR);
/* Ignore extra keys and events */
*s++=ctrl_inb(PGDR);
*s++=ctrl_inb(PHDR);
return 0;
}
static struct scan_keyboard hp680_kbd = {
.scan = hp680_japanese_scan_kbd,
.table = hp680_japanese_table,
.length = 16,
};
static int __init hp680_kbd_init_hw(void)
{
printk(KERN_INFO "HP680 matrix scan keyboard registered\n");
return register_scan_keyboard(&hp680_kbd);
}
static void __exit hp680_kbd_exit_hw(void)
{
unregister_scan_keyboard(&hp680_kbd);
}
module_init(hp680_kbd_init_hw);
module_exit(hp680_kbd_exit_hw);
MODULE_LICENSE("GPL");
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