diff options
Diffstat (limited to 'qemu/roms/openbios/drivers/pc_kbd.c')
| -rw-r--r-- | qemu/roms/openbios/drivers/pc_kbd.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/qemu/roms/openbios/drivers/pc_kbd.c b/qemu/roms/openbios/drivers/pc_kbd.c deleted file mode 100644 index 49218f82e..000000000 --- a/qemu/roms/openbios/drivers/pc_kbd.c +++ /dev/null @@ -1,236 +0,0 @@ -/* - * Copyright (C) 2003, 2004 Stefan Reinauer - * - * See the file "COPYING" for further information about - * the copyright and warranty status of this work. - */ - -#include "config.h" -#include "libopenbios/bindings.h" -#include "kernel/kernel.h" -#include "drivers/drivers.h" -#include "libc/vsprintf.h" - -/* ****************************************************************** - * simple polling video/keyboard console functions - * ****************************************************************** */ - -#define SER_SIZE 8 - -/* - * keyboard driver - */ - -static const char normal[] = { - 0x0, 0x1b, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', - '=', '\b', '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', - 'p', '[', ']', 0xa, 0x0, 'a', 's', 'd', 'f', 'g', 'h', 'j', - 'k', 'l', ';', 0x27, 0x60, 0x0, 0x5c, 'z', 'x', 'c', 'v', 'b', - 'n', 'm', ',', '.', '/', 0x0, '*', 0x0, ' ', 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '0', 0x7f -}; - -static const char shifted[] = { - 0x0, 0x1b, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', - '+', '\b', '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', - 'P', '{', '}', 0xa, 0x0, 'A', 'S', 'D', 'F', 'G', 'H', 'J', - 'K', 'L', ':', 0x22, '~', 0x0, '|', 'Z', 'X', 'C', 'V', 'B', - 'N', 'M', '<', '>', '?', 0x0, '*', 0x0, ' ', 0x0, 0x0, 0x0, - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '7', '8', - '9', 0x0, '4', '5', '6', 0x0, '1', '2', '3', '0', 0x7f -}; - -static int key_ext; -static int key_lshift = 0, key_rshift = 0, key_caps = 0; - -static char last_key; - -static void pc_kbd_cmd(unsigned char cmd, unsigned char val) -{ - outb(cmd, 0x60); - /* wait until keyboard controller accepts cmds: */ - while (inb(0x64) & 2); - outb(val, 0x60); - while (inb(0x64) & 2); -} - -static void pc_kbd_controller_cmd(unsigned char cmd, unsigned char val) -{ - outb(cmd, 0x64); - /* wait until keyboard controller accepts cmds: */ - while (inb(0x64) & 2); - outb(val, 0x60); - while (inb(0x64) & 2); -} - -static char pc_kbd_poll(void) -{ - unsigned int c; - if (inb(0x64) & 1) { - c = inb(0x60); - switch (c) { - case 0xe0: - key_ext = 1; - return 0; - case 0x2a: - key_lshift = 1; - return 0; - case 0x36: - key_rshift = 1; - return 0; - case 0xaa: - key_lshift = 0; - return 0; - case 0xb6: - key_rshift = 0; - return 0; - case 0x3a: - if (key_caps) { - key_caps = 0; - pc_kbd_cmd(0xed, 0); - } else { - key_caps = 1; - pc_kbd_cmd(0xed, 4); /* set caps led */ - } - return 0; - } - - if (key_ext) { - // void printk(const char *format, ...); - printk("extended keycode: %x\n", c); - - key_ext = 0; - return 0; - } - - if (c & 0x80) /* unhandled key release */ - return 0; - - if (key_lshift || key_rshift) - return key_caps ? normal[c] : shifted[c]; - else - return key_caps ? shifted[c] : normal[c]; - } - return 0; -} - -int pc_kbd_dataready(void) -{ - if (last_key) - return 1; - - last_key = pc_kbd_poll(); - - return (last_key != 0); -} - -unsigned char pc_kbd_readdata(void) -{ - char tmp; - while (!pc_kbd_dataready()); - tmp = last_key; - last_key = 0; - return tmp; -} - -/* ( addr len -- actual ) */ -static void -pc_kbd_read(void) -{ - unsigned char *addr; - int len; - - len = POP(); - addr = (unsigned char *)POP(); - - if (len != 1) - printk("pc_kbd_read: bad len, addr %lx len %x\n", (unsigned long)addr, len); - - if (pc_kbd_dataready()) { - *addr = pc_kbd_readdata(); - PUSH(1); - } else { - PUSH(0); - } -} - -static void -pc_kbd_close(void) -{ -} - -static void -pc_kbd_open(unsigned long *address) -{ - int len; - phandle_t ph; - unsigned long *prop; - - fword("my-self"); - fword("ihandle>phandle"); - ph = (phandle_t)POP(); - prop = (unsigned long *)get_property(ph, "address", &len); - *address = *prop; - - RET ( -1 ); -} - -DECLARE_UNNAMED_NODE(pc_kbd, INSTALL_OPEN, sizeof(unsigned long)); - -NODE_METHODS(pc_kbd) = { - { "open", pc_kbd_open }, - { "close", pc_kbd_close }, - { "read", pc_kbd_read }, -}; - -void -ob_pc_kbd_init(const char *path, const char *dev_name, uint64_t base, - uint64_t offset, int intr) -{ - phandle_t chosen, aliases; - char nodebuff[128]; - - snprintf(nodebuff, sizeof(nodebuff), "%s/%s", path, dev_name); - REGISTER_NAMED_NODE(pc_kbd, nodebuff); - - push_str(nodebuff); - fword("find-device"); - - push_str(dev_name); - fword("device-name"); - - push_str("serial"); - fword("device-type"); - - PUSH(-1); - fword("encode-int"); - push_str("keyboard"); - fword("property"); - - PUSH((base + offset) >> 32); - fword("encode-int"); - PUSH((base + offset) & 0xffffffff); - fword("encode-int"); - fword("encode+"); - PUSH(SER_SIZE); - fword("encode-int"); - fword("encode+"); - push_str("reg"); - fword("property"); - - PUSH(offset); - fword("encode-int"); - push_str("address"); - fword("property"); - - chosen = find_dev("/chosen"); - push_str(nodebuff); - fword("open-dev"); - set_int_property(chosen, "keyboard", POP()); - - aliases = find_dev("/aliases"); - set_property(aliases, "keyboard", nodebuff, strlen(nodebuff) + 1); - - pc_kbd_controller_cmd(0x60, 0x40); // Write mode command, translated mode -} |