0,0 → 1,424 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
/** @addtogroup kbdarm32gxemul GXemul |
* @brief HelenOS arm32 GXEmul uspace keyboard handler. |
* @ingroup kbdarm32 |
* @{ |
*/ |
/** @file |
* @brief GXemul uspace keyboard handler. |
*/ |
|
#include <ipc/ipc.h> |
#include <sysinfo.h> |
#include <kbd.h> |
#include <keys.h> |
#include <bool.h> |
|
|
/* GXemul key codes in no-framebuffer mode. */ |
#define GXEMUL_KEY_F1 0x504f1bL |
#define GXEMUL_KEY_F2 0x514f1bL |
#define GXEMUL_KEY_F3 0x524f1bL |
#define GXEMUL_KEY_F4 0x534f1bL |
#define GXEMUL_KEY_F5 0x35315b1bL |
#define GXEMUL_KEY_F6 0x37315b1bL |
#define GXEMUL_KEY_F7 0x38315b1bL |
#define GXEMUL_KEY_F8 0x39315b1bL |
#define GXEMUL_KEY_F9 0x30325b1bL |
#define GXEMUL_KEY_F10 0x31325b1bL |
#define GXEMUL_KEY_F11 0x33325d1bL |
#define GXEMUL_KEY_F12 0x34325b1bL |
|
/** Start code of F5-F12 keys. */ |
#define GXEMUL_KEY_F5_F12_START_CODE 0x7e |
|
/* GXemul key codes in framebuffer mode. */ |
#define GXEMUL_FB_KEY_F1 0x504f5b1bL |
#define GXEMUL_FB_KEY_F2 0x514f5b1bL |
#define GXEMUL_FB_KEY_F3 0x524f5b1bL |
#define GXEMUL_FB_KEY_F4 0x534f5b1bL |
#define GXEMUL_FB_KEY_F5 0x35315b1bL |
#define GXEMUL_FB_KEY_F6 0x37315b1bL |
#define GXEMUL_FB_KEY_F7 0x38315b1bL |
#define GXEMUL_FB_KEY_F8 0x39315b1bL |
#define GXEMUL_FB_KEY_F9 0x38325b1bL |
#define GXEMUL_FB_KEY_F10 0x39325b1bL |
#define GXEMUL_FB_KEY_F11 0x33325b1bL |
#define GXEMUL_FB_KEY_F12 0x34325b1bL |
|
|
/** Function keys start code (F1=0x101) */ |
#define FUNCTION_KEYS 0x100 |
|
static irq_cmd_t gxemul_cmds[] = { |
{ |
CMD_MEM_READ_1, |
(void *) 0, |
0, |
2 |
} |
}; |
|
static irq_code_t gxemul_kbd = { |
1, |
gxemul_cmds |
}; |
|
|
/** Framebuffer switched on. */ |
static bool fb; |
|
|
/* |
// Please preserve this code (it can be used to determine scancodes) |
int to_hex(int v) |
{ |
return "0123456789ABCDEF"[v]; |
} |
*/ |
|
|
/** Process data sent when a key is pressed (in no-framebuffer mode). |
* |
* @param keybuffer Buffer of pressed key. |
* @param scan_code Scan code. |
* |
* @return Always 1. |
*/ |
static int gxemul_kbd_process_no_fb(keybuffer_t *keybuffer, int scan_code) |
{ |
// holds at most 4 latest scan codes |
static unsigned long buf = 0; |
|
// number of scan codes in #buf |
static int count = 0; |
|
/* |
// Preserve for detecting scan codes. |
keybuffer_push(keybuffer, to_hex((scan_code>>4)&0xf)); |
keybuffer_push(keybuffer, to_hex(scan_code&0xf)); |
keybuffer_push(keybuffer, 'X'); |
keybuffer_push(keybuffer, 'Y'); |
return 1; |
*/ |
|
if (scan_code == '\r') { |
scan_code = '\n'; |
} |
|
if (scan_code == GXEMUL_KEY_F5_F12_START_CODE) { |
switch (buf) { |
case GXEMUL_KEY_F5: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 5); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F6: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 6); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F7: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 7); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F8: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 8); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F9: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 9); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F10: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 10); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F11: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 11); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F12: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 12); |
buf = count = 0; |
return 1; |
default: |
keybuffer_push(keybuffer, buf & 0xff); |
keybuffer_push(keybuffer, (buf >> 8) & 0xff); |
keybuffer_push(keybuffer, (buf >> 16) & 0xff); |
keybuffer_push(keybuffer, (buf >> 24) & 0xff); |
keybuffer_push(keybuffer, scan_code); |
buf = count = 0; |
return 1; |
} |
} |
|
// add to buffer |
buf |= ((unsigned long) scan_code) << (8 * (count++)); |
|
if ((buf & 0xff) != (GXEMUL_KEY_F1 & 0xff)) { |
keybuffer_push(keybuffer, buf); |
buf = count = 0; |
return 1; |
} |
|
if (count <= 1) { |
return 1; |
} |
|
if ((buf & 0xffff) != (GXEMUL_KEY_F1 & 0xffff) |
&& (buf & 0xffff) != (GXEMUL_KEY_F5 & 0xffff) ) { |
|
keybuffer_push(keybuffer, buf & 0xff); |
keybuffer_push(keybuffer, (buf >> 8) &0xff); |
buf = count = 0; |
return 1; |
} |
|
if (count <= 2) { |
return 1; |
} |
|
switch (buf) { |
case GXEMUL_KEY_F1: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 1); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F2: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 2); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F3: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 3); |
buf = count = 0; |
return 1; |
case GXEMUL_KEY_F4: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 4); |
buf = count = 0; |
return 1; |
} |
|
|
if ((buf & 0xffffff) != (GXEMUL_KEY_F5 & 0xffffff) |
&& (buf & 0xffffff) != (GXEMUL_KEY_F9 & 0xffffff)) { |
|
keybuffer_push(keybuffer, buf & 0xff); |
keybuffer_push(keybuffer, (buf >> 8) & 0xff); |
keybuffer_push(keybuffer, (buf >> 16) & 0xff); |
buf = count = 0; |
return 1; |
} |
|
if (count <= 3) { |
return 1; |
} |
|
switch (buf) { |
case GXEMUL_KEY_F5: |
case GXEMUL_KEY_F6: |
case GXEMUL_KEY_F7: |
case GXEMUL_KEY_F8: |
case GXEMUL_KEY_F9: |
case GXEMUL_KEY_F10: |
case GXEMUL_KEY_F11: |
case GXEMUL_KEY_F12: |
return 1; |
default: |
keybuffer_push(keybuffer, buf & 0xff); |
keybuffer_push(keybuffer, (buf >> 8) & 0xff); |
keybuffer_push(keybuffer, (buf >> 16) & 0xff); |
keybuffer_push(keybuffer, (buf >> 24) & 0xff); |
buf = count = 0; |
return 1; |
} |
|
return 1; |
} |
|
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/** Process data sent when a key is pressed (in framebuffer mode). |
* |
* @param keybuffer Buffer of pressed keys. |
* @param scan_code Scan code. |
* |
* @return Always 1. |
*/ |
static int gxemul_kbd_process_fb(keybuffer_t *keybuffer, int scan_code) |
{ |
// holds at most 4 latest scan codes |
static unsigned long buf = 0; |
|
// number of scan codes in #buf |
static int count = 0; |
|
/* |
// Please preserve this code (it can be used to determine scancodes) |
keybuffer_push(keybuffer, to_hex((scan_code>>4)&0xf)); |
keybuffer_push(keybuffer, to_hex(scan_code&0xf)); |
keybuffer_push(keybuffer, ' '); |
keybuffer_push(keybuffer, ' '); |
return 1; |
*/ |
|
if (scan_code == '\r') { |
scan_code = '\n'; |
} |
|
// add to buffer |
buf |= ((unsigned long) scan_code) << (8*(count++)); |
|
|
if ((buf & 0xff) != (GXEMUL_FB_KEY_F1 & 0xff)) { |
keybuffer_push(keybuffer, buf); |
buf = count = 0; |
return 1; |
} |
|
if (count <= 1) { |
return 1; |
} |
|
if ((buf & 0xffff) != (GXEMUL_FB_KEY_F1 & 0xffff)) { |
keybuffer_push(keybuffer, buf & 0xff); |
keybuffer_push(keybuffer, (buf >> 8) &0xff); |
buf = count = 0; |
return 1; |
} |
|
if (count <= 2) { |
return 1; |
} |
|
if ((buf & 0xffffff) != (GXEMUL_FB_KEY_F1 & 0xffffff) |
&& (buf & 0xffffff) != (GXEMUL_FB_KEY_F5 & 0xffffff) |
&& (buf & 0xffffff) != (GXEMUL_FB_KEY_F9 & 0xffffff)) { |
|
keybuffer_push(keybuffer, buf & 0xff); |
keybuffer_push(keybuffer, (buf >> 8) & 0xff); |
keybuffer_push(keybuffer, (buf >> 16) & 0xff); |
buf = count = 0; |
return 1; |
} |
|
if (count <= 3) { |
return 1; |
} |
|
switch (buf) { |
case GXEMUL_FB_KEY_F1: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 1 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F2: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 2 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F3: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 3 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F4: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 4 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F5: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 5 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F6: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 6 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F7: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 7 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F8: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 8 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F9: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 9 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F10: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 10 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F11: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 11 ); |
buf = count = 0; |
return 1; |
case GXEMUL_FB_KEY_F12: |
keybuffer_push(keybuffer,FUNCTION_KEYS | 12 ); |
buf = count = 0; |
return 1; |
default: |
keybuffer_push(keybuffer, buf & 0xff ); |
keybuffer_push(keybuffer, (buf >> 8) & 0xff); |
keybuffer_push(keybuffer, (buf >> 16) & 0xff); |
keybuffer_push(keybuffer, (buf >> 24) & 0xff); |
buf = count = 0; |
return 1; |
} |
|
return 1; |
} |
|
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/** Initializes keyboard handler. */ |
int kbd_arch_init(void) |
{ |
fb = (sysinfo_value("fb.kind") == 1); |
gxemul_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual"); |
ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &gxemul_kbd); |
return 0; |
} |
|
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/** Process data sent when a key is pressed. |
* |
* @param keybuffer Buffer of pressed keys. |
* @param call IPC call. |
* |
* @return Always 1. |
*/ |
int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call) |
{ |
int scan_code = IPC_GET_ARG2(*call); |
|
if (fb) { |
return gxemul_kbd_process_fb(keybuffer, scan_code); |
} else { |
return gxemul_kbd_process_no_fb(keybuffer, scan_code); |
} |
|
} |
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/** @} |
*/ |