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|
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/errno.h>
#include <linux/keyboard.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/kd.h>
#include <linux/random.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/poll.h>
#include <linux/miscdevice.h>
#include <linux/init.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/apollohw.h>
#include <asm/uaccess.h>
extern void handle_scancode(unsigned char);
#define DNKEY_CAPS 0x7e
#define BREAK_FLAG 0x80
#define DNKEY_REPEAT_DELAY 50
#define DNKEY_CTRL 0x43
#define DNKEY_LSHIFT 0x5e
#define DNKEY_RSHIFT 0x6a
#define DNKEY_REPT 0x5d
#define DNKEY_REPEAT 0x7f
#define DNKEY_LALT 0x75
#define DNKEY_RALT 0x77
#define APOLLO_KEYB_CMD_ENTRIES 16
#define APOLLO_KBD_MODE_KEYB 0x01
#define APOLLO_KBD_MODE_MOUSE 0x02
#define APOLLO_KBD_MODE_CHANGE 0xff
#define MSE_UPDATE_ON() mouse_update_allowed=1
#define MSE_UPDATE_OFF() mouse_update_allowed=0
static u_char keyb_cmds[APOLLO_KEYB_CMD_ENTRIES];
static short keyb_cmd_read=0, keyb_cmd_write=0;
static int keyb_cmd_transmit=0;
static unsigned int kbd_mode=APOLLO_KBD_MODE_KEYB;
static short mouse_dx,mouse_dy,mouse_buttons;
static int mouse_ready=0,mouse_update_allowed=0,mouse_active=0;
static DECLARE_WAIT_QUEUE_HEAD(mouse_wait);
static struct fasync_struct *mouse_fasyncptr=NULL;
#if 0
static void debug_keyb_timer_handler(unsigned long ignored);
static u_char debug_buf1[4096],debug_buf2[4096],*debug_buf=&debug_buf1[0];
static u_char *shadow_buf=&debug_buf2[0];
static short debug_buf_count=0;
static int debug_buf_overrun=0,debug_timer_running=0,debug_buffer_updated=0;
static struct timer_list debug_keyb_timer = { NULL, NULL, 0, 0,
debug_keyb_timer_handler };
#endif
static u_short dnplain_map[NR_KEYS] __initdata = {
/* ins del del F1 F2 F3 F4
mark line char */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
/* F5 F6 F7 F8 F9 F0 Again Read */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
/* Edit Exit Hold Copy Paste Grow ESC */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
/* 1 2 3 4 5 6 7 8 */
0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037, 0xf038,
/* 9 0 - = ` Back |<--
Space */
0xf039, 0xf030, 0xf02d, 0xf03d, 0xf060, 0xf07f, 0xf200, 0xf200,
/* Shell -->| Tab q w e
Cmd */
0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb71, 0xfb77, 0xfb65,
/* r t y u i o p [ */
0xfb72, 0xfb74, 0xfb79, 0xfb75, 0xfb69, 0xfb6f, 0xfb70, 0xf05b,
/* ] Del 7 8 9 + */
0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
/* [<--] Up [-->] Ctrl a s */
0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb61, 0xfb73,
/* d f g h j k l ; */
0xfb64, 0xfb66, 0xfb67, 0xfb68, 0xfb6a, 0xfb6b, 0xfb6c, 0xf03b,
/* ' Return \ 4 5 6 */
0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306,
/* - <-- Next --> Rept Shift
Window */
0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200,
/* z x c v b n m , */
0xfb7a, 0xfb78, 0xfb63, 0xfb76, 0xfb62, 0xfb6e, 0xfb6d, 0xf02c,
/* . / Shift Pop 1 2 */
0xf02e, 0xf02f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
/* 3 PgUp Down PgDn Alt Space Alt */
0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
/* 0 . Enter */
0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf700, 0xf200,
};
static u_short dnshift_map[NR_KEYS] __initdata = {
/* ins del del F1 F2 F3 F4
mark line char */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
/* F5 F6 F7 F8 F9 F0 Again Read */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
/* Save Abort Help Cut Undo Grow ESC */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
/* ! @ # $ % ^ & * */
0xf021, 0xf040, 0xf023, 0xf024, 0xf025, 0xf05e, 0xf026, 0xf02a,
/* ( ) _ + ~ Back |<--
Space */
0xf028, 0xf029, 0xf05f, 0xf02b, 0xf07e, 0xf07f, 0xf200, 0xf200,
/* Shell -->| Tab Q W E
Cmd */
0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb51, 0xfb57, 0xfb45,
/* R T Y U I O P { */
0xfb52, 0xfb54, 0xfb59, 0xfb55, 0xfb49, 0xfb4f, 0xfb50, 0xf07b,
/* } Del 7 8 9 + */
0xf07d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
/* [<--] Up [-->] Ctrl A S */
0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb41, 0xfb53,
/* D F G H J K L : */
0xfb44, 0xfb46, 0xfb47, 0xfb48, 0xfb4a, 0xfb4b, 0xfb4c, 0xf03a,
/* " Return | 4 5 6 */
0xf022, 0xf200, 0xf201, 0xf07c, 0xf200, 0xf304, 0xf305, 0xf306,
/* - <-- Next --> Rept Shift
Window */
0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200,
/* Z X C V B N M < */
0xfb5a, 0xfb58, 0xfb43, 0xfb56, 0xfb42, 0xfb4e, 0xfb4d, 0xf03c,
/* > ? Shift Pop 1 2 */
0xf03e, 0xf03f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
/* 3 PgUp Down PgDn Alt Space Alt */
0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
/* 0 . Enter */
0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf708, 0xf200,
};
static u_short dnctrl_map[NR_KEYS] __initdata = {
/* ins del del F1 F2 F3 F4
mark line char */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
/* F5 F6 F7 F8 F9 F0 Again Read */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
/* Save Abort Help Cut Undo Grow ESC */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
/* ! @ # $ % ^ & * */
0xf200, 0xf000, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f, 0xf07f,
/* ( ) _ + ~ Back |<--
Space */
0xf200, 0xf200, 0xf01f, 0xf200, 0xf01c, 0xf200, 0xf200, 0xf200,
/* Shell -->| Tab Q W E
Cmd */
0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xf011, 0xf017, 0xf005,
/* R T Y U I O P { */
0xf012, 0xf014, 0xf019, 0xf015, 0xf009, 0xf00f, 0xf010, 0xf01b,
/* } Del 7 8 9 + */
0xf01d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
/* [<--] Up [-->] Ctrl A S */
0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb01, 0xfb53,
/* D F G H J K L : */
0xf004, 0xf006, 0xf007, 0xf008, 0xf00a, 0xf00b, 0xf00c, 0xf200,
/* " Return | 4 5 6 */
0xf200, 0xf200, 0xf201, 0xf01c, 0xf200, 0xf304, 0xf305, 0xf306,
/* - <-- Next --> Rept Shift
Window */
0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200,
/* Z X C V B N M < */
0xf01a, 0xf018, 0xf003, 0xf016, 0xf002, 0xf00e, 0xf01d, 0xf03c,
/* > ? Shift Pop 1 2 */
0xf03e, 0xf03f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
/* 3 PgUp Down PgDn Alt Space Alt */
0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701,
/* 0 . Enter */
0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200,
};
static u_short dnalt_map[NR_KEYS] __initdata = {
/* ins del del F1 F2 F3 F4
mark line char */
0xf200, 0xf200, 0xf200, 0xf200, 0xf500, 0xf501, 0xf502, 0xf503,
/* F5 F6 F7 F8 F9 F0 Again Read */
0xf504, 0xf505, 0xf506, 0xf507, 0xf508, 0xf509, 0xf200, 0xf200,
/* Edit Exit Hold Copy Paste Grow ESC */
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b,
/* 1 2 3 4 5 6 7 8 */
0xf831, 0xf832, 0xf833, 0xf834, 0xf835, 0xf836, 0xf837, 0xf838,
/* 9 0 - = ` Back |<--
Space */
0xf839, 0xf830, 0xf82d, 0xf83d, 0xf860, 0xf87f, 0xf200, 0xf200,
/* Shell -->| Tab q w e
Cmd */
0xf200, 0xf200, 0xf200, 0xf200, 0xf809, 0xf871, 0xf877, 0xf865,
/* r t y u i o p [ */
0xf872, 0xf874, 0xf879, 0xf875, 0xf869, 0xf86f, 0xf870, 0xf85b,
/* ] Del 7 8 9 + */
0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a,
/* [<--] Up [-->] Ctrl a s */
0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xf861, 0xf873,
/* d f g h j k l ; */
0xf864, 0xf866, 0xf867, 0xf868, 0xf86a, 0xf86b, 0xf86c, 0xf03b,
/* ' Return \ 4 5 6 */
0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306,
/* - <-- Next --> Rept Shift
Window */
0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200,
/* z x c v b n m , */
0xf87a, 0xf878, 0xf863, 0xf876, 0xf862, 0xf86e, 0xf86d, 0xf82c,
/* . / Shift Pop 1 2 */
0xf82e, 0xf82f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302,
/* 3 PgUp Down PgDn Alt Space Alt */
0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf820, 0xf701,
/* 0 . Enter */
0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200,
};
static u_short dnaltgr_map[NR_KEYS] __initdata = {
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
};
static u_short dnshift_ctrl_map[NR_KEYS] __initdata = {
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
};
static u_short dnctrl_alt_map[NR_KEYS] __initdata = {
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200
};
#if 0
static void debug_keyb_timer_handler(unsigned long ignored) {
unsigned long flags;
u_char *swap;
short length,i;
if((jiffies-debug_buffer_updated) > 100) {
save_flags(flags);
cli();
length=debug_buf_count;
swap=debug_buf;
debug_buf=shadow_buf;
shadow_buf=swap;
debug_buf_count=0;
debug_timer_running=0;
restore_flags(flags);
for(i=1;length;length--,i++)
printk("%02x%c",*(swap++), (i % 25) ? ' ' : '\n');
printk("\n");
}
else {
debug_keyb_timer.expires=jiffies+10;
add_timer(&debug_keyb_timer);
}
}
#endif
static unsigned int mouse_poll(struct file *file, poll_table * wait)
{
poll_wait(&mouse_wait, wait);
if (mouse_ready)
return POLLIN | POLLRDNORM;
return 0;
}
static ssize_t write_mouse(struct file * file, const char * buffer,
size_t count, loff_t *ppos)
{
return -EINVAL;
}
static ssize_t read_mouse(struct file * file, char * buffer,
size_t count, loff_t *ppos)
{
int dx,dy,r;
unsigned char buttons;
if (count < 3)
return -EINVAL;
if ((r = verify_area(VERIFY_WRITE, buffer, count)))
return r;
if (!mouse_ready)
return -EAGAIN;
MSE_UPDATE_OFF();
dx=mouse_dx;
dy=mouse_dy;
if (dx < -127)
dx = -127;
else
if (dx > 127)
dx = 127;
if (dy < -127)
dy = -127;
else
if (dy > 127)
dy = 127;
buttons=(mouse_buttons & 1 ? 4 : 0) |
(mouse_buttons & 2 ? 1 : 0) |
(mouse_buttons & 4 ? 2 : 0);
mouse_dx-=dx;
mouse_dy-=dy;
MSE_UPDATE_ON();
if (put_user(buttons | 0x80, buffer++) ||
put_user((char)dx, buffer++) ||
put_user((char)dy, buffer++))
return -EINVAL;
if (count > 3)
if (clear_user(buffer, count - 3))
return -EFAULT;
return count;
}
static int fasync_mouse(int fd, struct file *filp, int on)
{
int retval;
retval = fasync_helper(fd, filp, on, &mouse_fasyncptr);
if (retval < 0)
return retval;
return 0;
}
static int release_mouse(struct inode * inode, struct file * file)
{
fasync_mouse(-1, file, 0);
if (--mouse_active)
return 0;
MSE_UPDATE_OFF();
MOD_DEC_USE_COUNT;
return 0;
}
static int open_mouse(struct inode * inode, struct file * file)
{
if (mouse_active++)
return 0;
/*
* use VBL to poll mouse deltas
*/
mouse_dx = 0;
mouse_dy = 0;
mouse_buttons = 0;
mouse_active = 1;
MOD_INC_USE_COUNT;
MSE_UPDATE_ON();
return 0;
}
static void dn_keyb_process_key_event(unsigned char scancode) {
static unsigned char lastscancode;
unsigned char prev_scancode=lastscancode;
static unsigned int lastkeypress;
lastscancode=scancode;
/* printk("scan: %02x, lastscan: %02X, prev_scancode: %02X\n",scancode,lastscancode,prev_scancode); */
if(prev_scancode==APOLLO_KBD_MODE_CHANGE) {
kbd_mode=scancode;
/* printk("modechange: %d\n",scancode);*/
}
else if((scancode & (~BREAK_FLAG)) == DNKEY_CAPS) {
/* printk("handle_scancode: %02x\n",DNKEY_CAPS); */
handle_scancode(DNKEY_CAPS, 1);
/* printk("handle_scancode: %02x\n",BREAK_FLAG | DNKEY_CAPS); */
handle_scancode(DNKEY_CAPS, 0);
}
else if( (scancode == DNKEY_REPEAT) && (prev_scancode < 0x7e) &&
!(prev_scancode==DNKEY_CTRL || prev_scancode==DNKEY_LSHIFT ||
prev_scancode==DNKEY_RSHIFT || prev_scancode==DNKEY_REPT ||
prev_scancode==DNKEY_LALT || prev_scancode==DNKEY_RALT)) {
if(jiffies-lastkeypress > DNKEY_REPEAT_DELAY) {
/* printk("handle_scancode: %02x\n",prev_scancode); */
handle_scancode(prev_scancode, 1);
}
lastscancode=prev_scancode;
}
else {
/* printk("handle_scancode: %02x\n",scancode); */
handle_scancode(scancode & ~BREAK_FLAG, !(scancode & BREAK_FLAG));
lastkeypress=jiffies;
}
}
static void dn_keyb_process_mouse_event(unsigned char mouse_data) {
static short mouse_byte_count=0;
static u_char mouse_packet[3];
mouse_packet[mouse_byte_count++]=mouse_data;
if(mouse_byte_count==3) {
if(mouse_packet[0]==APOLLO_KBD_MODE_CHANGE) {
kbd_mode=mouse_packet[1];
mouse_byte_count=0;
/* printk("modechange: %d\n",mouse_packet[1]); */
if(kbd_mode==APOLLO_KBD_MODE_KEYB)
dn_keyb_process_key_event(mouse_packet[2]);
}
if((mouse_packet[0] & 0x8f) == 0x80) {
if(mouse_update_allowed) {
mouse_ready=1;
mouse_buttons=(mouse_packet[0] >> 4) & 0x7;
mouse_dx+=mouse_packet[1] == 0xff ? 0 : (signed char)mouse_packet[1];
mouse_dy+=mouse_packet[2] == 0xff ? 0 : (signed char)mouse_packet[2];
wake_up_interruptible(&mouse_wait);
if (mouse_dx < -2048)
mouse_dx = -2048;
else
if (mouse_dx > 2048)
mouse_dx = 2048;
if (mouse_dy < -2048)
mouse_dy = -2048;
else
if (mouse_dy > 2048)
mouse_dy = 2048;
if (mouse_fasyncptr)
kill_fasync(mouse_fasyncptr, SIGIO);
}
mouse_byte_count=0;
/* printk("mouse: %d, %d, %x\n",mouse_x,mouse_y,buttons); */
}
}
}
static void dn_keyb_int(int irq, void *dummy, struct pt_regs *fp) {
unsigned char data;
unsigned long flags;
int scn2681_ints;
do {
scn2681_ints=sio01.isr_imr & 3;
if(scn2681_ints & 2) {
data=sio01.rhra_thra;
#if 0
if(debug_buf_count<4096) {
debug_buf[debug_buf_count++]=data;
debug_buffer_updated=jiffies;
if(!debug_timer_running) {
add_timer(&debug_keyb_timer);
debug_keyb_timer.expires=jiffies+10;
debug_timer_running=1;
}
}
else
debug_buf_overrun=1;
#endif
if(sio01.sra_csra & 0x10) {
printk("whaa overrun !\n");
continue;
}
if(kbd_mode==APOLLO_KBD_MODE_KEYB)
dn_keyb_process_key_event(data);
else
dn_keyb_process_mouse_event(data);
}
if(scn2681_ints & 1) {
save_flags(flags);
cli();
if(keyb_cmd_write!=keyb_cmd_read) {
sio01.rhra_thra=keyb_cmds[keyb_cmd_read++];
if(keyb_cmd_read==APOLLO_KEYB_CMD_ENTRIES)
keyb_cmd_read=0;
keyb_cmd_transmit=1;
}
else {
keyb_cmd_transmit=0;
sio01.BRGtest_cra=9;
}
restore_flags(flags);
}
} while(scn2681_ints) ;
}
void write_keyb_cmd(u_short length, u_char *cmd) {
unsigned long flags;
if((keyb_cmd_write==keyb_cmd_read) && keyb_cmd_transmit)
return;
save_flags(flags);
cli();
for(;length;length--) {
keyb_cmds[keyb_cmd_write++]=*(cmd++);
if(keyb_cmd_write==keyb_cmd_read)
return;
if(keyb_cmd_write==APOLLO_KEYB_CMD_ENTRIES)
keyb_cmd_write=0;
}
if(!keyb_cmd_transmit) {
sio01.BRGtest_cra=5;
}
restore_flags(flags);
}
struct file_operations apollo_mouse_fops = {
NULL, /* mouse_seek */
read_mouse,
write_mouse,
NULL, /* mouse_readdir */
mouse_poll, /* mouse_poll */
NULL, /* mouse_ioctl */
NULL, /* mouse_mmap */
open_mouse,
NULL, /* flush */
release_mouse,
NULL,
fasync_mouse,
};
static struct miscdevice apollo_mouse = {
APOLLO_MOUSE_MINOR, "apollomouse", &apollo_mouse_fops
};
__initfunc(int dn_keyb_init(void)) {
/* printk("dn_keyb_init\n"); */
memcpy(key_maps[0], dnplain_map, sizeof(plain_map));
memcpy(key_maps[1], dnshift_map, sizeof(plain_map));
memcpy(key_maps[2], dnaltgr_map, sizeof(plain_map));
memcpy(key_maps[4], dnctrl_map, sizeof(plain_map));
memcpy(key_maps[5], dnshift_ctrl_map, sizeof(plain_map));
memcpy(key_maps[8], dnalt_map, sizeof(plain_map));
memcpy(key_maps[12], dnctrl_alt_map, sizeof(plain_map));
mouse_dx=0;
mouse_dy=0;
mouse_buttons=0;
mouse_wait=NULL;
misc_register(&apollo_mouse);
/* program UpDownMode */
while(!(sio01.sra_csra & 0x4));
sio01.rhra_thra=0xff;
while(!(sio01.sra_csra & 0x4));
sio01.rhra_thra=0x1;
request_irq(1, dn_keyb_int,0,NULL,NULL);
/* enable receive int on DUART */
sio01.isr_imr=3;
return 0;
}
int dn_dummy_kbdrate(struct kbd_repeat *k) {
printk("dn_dummy_kbdrate\n");
return 0;
}
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