WebSVN – HelenOS-historic – Diff – /uspace/trunk/kbd/arch/ia32/src/kbd.c

 /*
  * Copyright (C) 2001-2004 Jakub Jermar
  * Copyright (C) 2006 Josef Cejka
  * 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 kbdia32 ia32
  * @brief   HelenOS ia32 / amd64 arch dependent parts of uspace keyboard handler.
  * @ingroup  kbd
  * @{
  */
 /** @file
  * @ingroup kbdamd64
  */
 #include <arch/kbd.h>
 #include <ipc/ipc.h>
+#include <unistd.h>
+#include <kbd.h>
+#include <keys.h>
+/* Interesting bits for status register */
+#define i8042_OUTPUT_FULL  0x1
+#define i8042_INPUT_FULL   0x2
+#define i8042_MOUSE_DATA   0x20
+/* Command constants */
+#define i8042_CMD_KBD 0x60
+#define i8042_CMD_MOUSE  0xd4
+/* Keyboard cmd byte */
+#define i8042_KBD_IE        0x1
+#define i8042_MOUSE_IE      0x2
+#define i8042_KBD_DISABLE   0x10
+#define i8042_MOUSE_DISABLE 0x20
+#define i8042_KBD_TRANSLATE 0x40
+/* Mouse constants */
+#define MOUSE_OUT_INIT  0xf4
+#define MOUSE_ACK       0xfa
 #define SPECIAL     255
 #define KEY_RELEASE 0x80
 /**
  * These codes read from i8042 data register are silently ignored.
  */
 #define IGNORE_CODE 0x7f
 #define PRESSED_SHIFT       (1<<0)
 #define PRESSED_CAPSLOCK    (1<<1)
 #define LOCKED_CAPSLOCK     (1<<0)
 /** Scancodes. */
 #define SC_ESC      0x01
 #define SC_BACKSPACE    0x0e
 #define SC_LSHIFT   0x2a
 #define SC_RSHIFT   0x36
 #define SC_CAPSLOCK 0x3a
 #define SC_SPEC_ESCAPE  0xe0
 #define SC_LEFTARR      0x4b
 #define SC_RIGHTARR     0x4d
 #define SC_UPARR        0x48
 #define SC_DOWNARR      0x50
 #define SC_DELETE       0x53
 #define SC_HOME         0x47
 #define SC_END          0x4f
 #define FUNCTION_KEYS 0x100
 static volatile int keyflags;       /**< Tracking of multiple keypresses. */
 static volatile int lockflags;      /**< Tracking of multiple keys lockings. */
 /** Primary meaning of scancodes. */
 static int sc_primary_map[] = {
     SPECIAL, /* 0x00 */
     SPECIAL, /* 0x01 - Esc */
     '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',
     '\b', /* 0x0e - Backspace */
     '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
     SPECIAL, /* 0x1d - LCtrl */
     'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'',
     '`',
     SPECIAL, /* 0x2a - LShift */
     '\\',
     'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/',
     SPECIAL, /* 0x36 - RShift */
     '*',
     SPECIAL, /* 0x38 - LAlt */
     ' ',
     SPECIAL, /* 0x3a - CapsLock */
     (FUNCTION_KEYS | 1), /* 0x3b - F1 */
     (FUNCTION_KEYS | 2), /* 0x3c - F2 */
     (FUNCTION_KEYS | 3), /* 0x3d - F3 */
     (FUNCTION_KEYS | 4), /* 0x3e - F4 */
     (FUNCTION_KEYS | 5), /* 0x3f - F5 */
     (FUNCTION_KEYS | 6), /* 0x40 - F6 */
     (FUNCTION_KEYS | 7), /* 0x41 - F7 */
     (FUNCTION_KEYS | 8), /* 0x42 - F8 */
     (FUNCTION_KEYS | 9), /* 0x43 - F9 */
     (FUNCTION_KEYS | 10), /* 0x44 - F10 */
     SPECIAL, /* 0x45 - NumLock */
     SPECIAL, /* 0x46 - ScrollLock */
     '7', '8', '9', '-',
     '4', '5', '6', '+',
     '1', '2', '3',
     '0', '.',
     SPECIAL, /* 0x54 - Alt-SysRq */
     SPECIAL, /* 0x55 - F11/F12/PF1/FN */
     SPECIAL, /* 0x56 - unlabelled key next to LAlt */
     (FUNCTION_KEYS | 11), /* 0x57 - F11 */
     (FUNCTION_KEYS | 12), /* 0x58 - F12 */
     SPECIAL, /* 0x59 */
     SPECIAL, /* 0x5a */
     SPECIAL, /* 0x5b */
     SPECIAL, /* 0x5c */
     SPECIAL, /* 0x5d */
     SPECIAL, /* 0x5e */
     SPECIAL, /* 0x5f */
     SPECIAL, /* 0x60 */
     SPECIAL, /* 0x61 */
     SPECIAL, /* 0x62 */
     SPECIAL, /* 0x63 */
     SPECIAL, /* 0x64 */
     SPECIAL, /* 0x65 */
     SPECIAL, /* 0x66 */
     SPECIAL, /* 0x67 */
     SPECIAL, /* 0x68 */
     SPECIAL, /* 0x69 */
     SPECIAL, /* 0x6a */
     SPECIAL, /* 0x6b */
     SPECIAL, /* 0x6c */
     SPECIAL, /* 0x6d */
     SPECIAL, /* 0x6e */
     SPECIAL, /* 0x6f */
     SPECIAL, /* 0x70 */
     SPECIAL, /* 0x71 */
     SPECIAL, /* 0x72 */
     SPECIAL, /* 0x73 */
     SPECIAL, /* 0x74 */
     SPECIAL, /* 0x75 */
     SPECIAL, /* 0x76 */
     SPECIAL, /* 0x77 */
     SPECIAL, /* 0x78 */
     SPECIAL, /* 0x79 */
     SPECIAL, /* 0x7a */
     SPECIAL, /* 0x7b */
     SPECIAL, /* 0x7c */
     SPECIAL, /* 0x7d */
     SPECIAL, /* 0x7e */
     SPECIAL, /* 0x7f */
 };
 /** Secondary meaning of scancodes. */
 static int sc_secondary_map[] = {
     SPECIAL, /* 0x00 */
 x1b, /* 0x01 - Esc */
     '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',
     SPECIAL, /* 0x0e - Backspace */
     '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n',
     SPECIAL, /* 0x1d - LCtrl */
     'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"',
     '~',
     SPECIAL, /* 0x2a - LShift */
     '|',
     'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?',
     SPECIAL, /* 0x36 - RShift */
     '*',
     SPECIAL, /* 0x38 - LAlt */
     ' ',
     SPECIAL, /* 0x3a - CapsLock */
     SPECIAL, /* 0x3b - F1 */
     SPECIAL, /* 0x3c - F2 */
     SPECIAL, /* 0x3d - F3 */
     SPECIAL, /* 0x3e - F4 */
     SPECIAL, /* 0x3f - F5 */
     SPECIAL, /* 0x40 - F6 */
     SPECIAL, /* 0x41 - F7 */
     SPECIAL, /* 0x42 - F8 */
     SPECIAL, /* 0x43 - F9 */
     SPECIAL, /* 0x44 - F10 */
     SPECIAL, /* 0x45 - NumLock */
     SPECIAL, /* 0x46 - ScrollLock */
     '7', '8', '9', '-',
     '4', '5', '6', '+',
     '1', '2', '3',
     '0', '.',
     SPECIAL, /* 0x54 - Alt-SysRq */
     SPECIAL, /* 0x55 - F11/F12/PF1/FN */
     SPECIAL, /* 0x56 - unlabelled key next to LAlt */
     SPECIAL, /* 0x57 - F11 */
     SPECIAL, /* 0x58 - F12 */
     SPECIAL, /* 0x59 */
     SPECIAL, /* 0x5a */
     SPECIAL, /* 0x5b */
     SPECIAL, /* 0x5c */
     SPECIAL, /* 0x5d */
     SPECIAL, /* 0x5e */
     SPECIAL, /* 0x5f */
     SPECIAL, /* 0x60 */
     SPECIAL, /* 0x61 */
     SPECIAL, /* 0x62 */
     SPECIAL, /* 0x63 */
     SPECIAL, /* 0x64 */
     SPECIAL, /* 0x65 */
     SPECIAL, /* 0x66 */
     SPECIAL, /* 0x67 */
     SPECIAL, /* 0x68 */
     SPECIAL, /* 0x69 */
     SPECIAL, /* 0x6a */
     SPECIAL, /* 0x6b */
     SPECIAL, /* 0x6c */
     SPECIAL, /* 0x6d */
     SPECIAL, /* 0x6e */
     SPECIAL, /* 0x6f */
     SPECIAL, /* 0x70 */
     SPECIAL, /* 0x71 */
     SPECIAL, /* 0x72 */
     SPECIAL, /* 0x73 */
     SPECIAL, /* 0x74 */
     SPECIAL, /* 0x75 */
     SPECIAL, /* 0x76 */
     SPECIAL, /* 0x77 */
     SPECIAL, /* 0x78 */
     SPECIAL, /* 0x79 */
     SPECIAL, /* 0x7a */
     SPECIAL, /* 0x7b */
     SPECIAL, /* 0x7c */
     SPECIAL, /* 0x7d */
     SPECIAL, /* 0x7e */
     SPECIAL, /* 0x7f */
 };
-irq_cmd_t i8042_cmds[1] = {
+irq_cmd_t i8042_cmds[2] = {
+    { CMD_PORT_READ_1, (void *)0x64, 0, 1 },
-    { CMD_PORT_READ_1, (void *)0x60, 0 }
+    { CMD_PORT_READ_1, (void *)0x60, 0, 2 }
 };
 irq_code_t i8042_kbd = {
 ,
     i8042_cmds
 };
 static int key_released(keybuffer_t *keybuffer, unsigned char key)
+{
     switch (key) {
         case SC_LSHIFT:
         case SC_RSHIFT:
             keyflags &= ~PRESSED_SHIFT;
             break;
         case SC_CAPSLOCK:
             keyflags &= ~PRESSED_CAPSLOCK;
             if (lockflags & LOCKED_CAPSLOCK)
                 lockflags &= ~LOCKED_CAPSLOCK;
                 else
                 lockflags |= LOCKED_CAPSLOCK;
             break;
         default:
             break;
+    }
+}
 static int key_pressed(keybuffer_t *keybuffer, unsigned char key)
+{
     int *map = sc_primary_map;
     int ascii = sc_primary_map[key];
     int shift, capslock;
     int letter = 0;
     static int esc_count=0;
     if ( key == SC_ESC ) {
         esc_count++;
         if ( esc_count == 3 ) {
             __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
+        }
     } else {
         esc_count=0;
+    }
     switch (key) {
         case SC_LSHIFT:
         case SC_RSHIFT:
                 keyflags |= PRESSED_SHIFT;
             break;
         case SC_CAPSLOCK:
             keyflags |= PRESSED_CAPSLOCK;
             break;
         case SC_SPEC_ESCAPE:
             break;
     /*  case SC_LEFTARR:
             if (keybuffer_available(keybuffer) >= 3) {
                 keybuffer_push(keybuffer, 0x1b);
                 keybuffer_push(keybuffer, 0x5b);
                 keybuffer_push(keybuffer, 0x44);
+            }
             break;
         case SC_RIGHTARR:
             if (keybuffer_available(keybuffer) >= 3) {
                 keybuffer_push(keybuffer, 0x1b);
                 keybuffer_push(keybuffer, 0x5b);
                 keybuffer_push(keybuffer, 0x43);
+            }
             break;
         case SC_UPARR:
             if (keybuffer_available(keybuffer) >= 3) {
                 keybuffer_push(keybuffer, 0x1b);
                 keybuffer_push(keybuffer, 0x5b);
                 keybuffer_push(keybuffer, 0x41);
+            }
             break;
         case SC_DOWNARR:
             if (keybuffer_available(keybuffer) >= 3) {
                 keybuffer_push(keybuffer, 0x1b);
                 keybuffer_push(keybuffer, 0x5b);
                 keybuffer_push(keybuffer, 0x42);
+            }
             break;
         case SC_HOME:
             if (keybuffer_available(keybuffer) >= 3) {
                 keybuffer_push(keybuffer, 0x1b);
                 keybuffer_push(keybuffer, 0x4f);
                 keybuffer_push(keybuffer, 0x48);
+            }
             break;
         case SC_END:
             if (keybuffer_available(keybuffer) >= 3) {
                 keybuffer_push(keybuffer, 0x1b);
                 keybuffer_push(keybuffer, 0x4f);
                 keybuffer_push(keybuffer, 0x46);
+            }
             break;
         case SC_DELETE:
             if (keybuffer_available(keybuffer) >= 4) {
                 keybuffer_push(keybuffer, 0x1b);
                 keybuffer_push(keybuffer, 0x5b);
                 keybuffer_push(keybuffer, 0x33);
                 keybuffer_push(keybuffer, 0x7e);
+            }
             break;
     */  default:
                 letter = ((ascii >= 'a') && (ascii <= 'z'));
             capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK);
             shift = keyflags & PRESSED_SHIFT;
             if (letter && capslock)
                 shift = !shift;
             if (shift)
                 map = sc_secondary_map;
             if (map[key] != SPECIAL)
                 keybuffer_push(keybuffer, map[key]);
             break;
+    }
+}
+static void wait_ready(void) {
+    while (i8042_status_read() & i8042_INPUT_FULL)
+        ;
+}
 /** Register uspace irq handler
  * @return
  */
 int kbd_arch_init(void)
+{
+    int rc1, i;
+    int mouseenabled = 0;
+    iospace_enable(task_get_id(),(void *)i8042_DATA, 5);
+    /* Disable kbd, enable mouse */
+    i8042_command_write(i8042_CMD_KBD);
+    wait_ready();
+    i8042_command_write(i8042_CMD_KBD);
+    wait_ready();
+    i8042_data_write(i8042_KBD_DISABLE);
+    wait_ready();
+    /* Flush all current IO */
+    while (i8042_status_read() & i8042_OUTPUT_FULL)
+        i8042_data_read();
+    /* Initialize mouse */
+    i8042_command_write(i8042_CMD_MOUSE);
+    wait_ready();
+    i8042_data_write(MOUSE_OUT_INIT);
+    wait_ready();
+    int mouseanswer = 0;
+    for (i=0;i < 1000; i++) {
+        int status = i8042_status_read();
+        if (status & i8042_OUTPUT_FULL) {
+            int data = i8042_data_read();
+            if (status & i8042_MOUSE_DATA) {
+                mouseanswer = data;
+                break;
+            }
+        }
+        usleep(1000);
+    }
+    if (mouseanswer == MOUSE_ACK) {
+        /* enable mouse */
+        mouseenabled = 1;
+        ipc_register_irq(MOUSE_IRQ, &i8042_kbd);
+    }
+    /* Enable kbd */
-    return !(ipc_register_irq(1, &i8042_kbd));
+    ipc_register_irq(KBD_IRQ, &i8042_kbd);
+    int newcontrol = i8042_KBD_IE | i8042_KBD_TRANSLATE;
+    if (mouseenabled)
+        newcontrol |= i8042_MOUSE_IE;
+    i8042_command_write(i8042_CMD_KBD);
+    wait_ready();
+    i8042_data_write(newcontrol);
+    wait_ready();
+    return 0;
+}
+/** Process keyboard & mouse events */
-int kbd_arch_process(keybuffer_t *keybuffer, int scan_code)
+int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call)
+{
+    int status = IPC_GET_ARG1(*call);
+    if ((status & i8042_MOUSE_DATA)) {
+        ;
+    } else {
+        int scan_code = IPC_GET_ARG2(*call);
-    if (scan_code != IGNORE_CODE) {
+        if (scan_code != IGNORE_CODE) {
-        if (scan_code & KEY_RELEASE)
+            if (scan_code & KEY_RELEASE)
-            key_released(keybuffer, scan_code ^ KEY_RELEASE);
+                key_released(keybuffer, scan_code ^ KEY_RELEASE);
-        else
+            else
-            key_pressed(keybuffer, scan_code);
+                key_pressed(keybuffer, scan_code);
+        }
+    }
     return  1;
+}
 /**
  * @}
  */

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/kbd/arch/ia32/src/kbd.c – Rev 1657 → 1694