diff options
Diffstat (limited to 'xenolinux-2.4.24-sparse/include/asm-xeno/keyboard.h')
| -rw-r--r-- | xenolinux-2.4.24-sparse/include/asm-xeno/keyboard.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/xenolinux-2.4.24-sparse/include/asm-xeno/keyboard.h b/xenolinux-2.4.24-sparse/include/asm-xeno/keyboard.h new file mode 100644 index 0000000000..6d6461dfb9 --- /dev/null +++ b/xenolinux-2.4.24-sparse/include/asm-xeno/keyboard.h @@ -0,0 +1,95 @@ +/* xenolinux/include/asm-xeno/keyboard.h */ +/* Portions copyright (c) 2003 James Scott, Intel Research Cambridge */ +/* Talks to hypervisor to get PS/2 keyboard and mouse events, and send keyboard and mouse commands */ + +/* Based on: + * linux/include/asm-i386/keyboard.h + * + * Created 3 Nov 1996 by Geert Uytterhoeven + */ + +#ifndef _XENO_KEYBOARD_H +#define _XENO_KEYBOARD_H + +#ifdef __KERNEL__ + +#include <linux/kernel.h> +#include <linux/ioport.h> +#include <linux/kd.h> +#include <linux/pm.h> +#include <asm/io.h> + +extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode); +extern int pckbd_getkeycode(unsigned int scancode); +extern int pckbd_translate(unsigned char scancode, unsigned char *keycode, + char raw_mode); +extern char pckbd_unexpected_up(unsigned char keycode); +extern void pckbd_leds(unsigned char leds); +extern void pckbd_init_hw(void); +extern int pckbd_pm_resume(struct pm_dev *, pm_request_t, void *); + +extern pm_callback pm_kbd_request_override; +extern unsigned char pckbd_sysrq_xlate[128]; + +#define kbd_setkeycode pckbd_setkeycode +#define kbd_getkeycode pckbd_getkeycode +#define kbd_translate pckbd_translate +#define kbd_unexpected_up pckbd_unexpected_up +#define kbd_leds pckbd_leds +#define kbd_init_hw pckbd_init_hw +#define kbd_sysrq_xlate pckbd_sysrq_xlate + +#define SYSRQ_KEY 0x54 + + +/* THIS SECTION TALKS TO XEN TO DO PS2 SUPPORT */ +#include <asm/hypervisor-ifs/kbd.h> +#include <asm/hypervisor-ifs/hypervisor-if.h> + +#define kbd_controller_present xen_kbd_controller_present + +static inline int xen_kbd_controller_present () +{ + return start_info.flags & SIF_CONSOLE; +} + +/* resource allocation */ +#define kbd_request_region() \ + do { } while (0) +#define kbd_request_irq(handler) \ + request_irq(_EVENT_PS2, handler, 0, "ps/2", NULL) + +/* could implement these with command to xen to filter mouse stuff... */ +#define aux_request_irq(hand, dev_id) 0 +#define aux_free_irq(dev_id) do { } while(0) + +/* Some stoneage hardware needs delays after some operations. */ +#define kbd_pause() do { } while(0) + +static unsigned char kbd_current_scancode = 0; + +static unsigned char kbd_read_input(void) +{ + return kbd_current_scancode; +} + +static unsigned char kbd_read_status(void) +{ + long res; + res = HYPERVISOR_kbd_op(KBD_OP_READ,0); + if ( res<0 ) + { + kbd_current_scancode = 0; + return 0; /* error with our request - wrong domain? */ + } + kbd_current_scancode = KBD_CODE_SCANCODE(res); + return KBD_CODE_STATUS(res); +} + + +#define kbd_write_output(val) HYPERVISOR_kbd_op(KBD_OP_WRITEOUTPUT, val); +#define kbd_write_command(val) HYPERVISOR_kbd_op(KBD_OP_WRITECOMMAND, val); + + +#endif /* __KERNEL__ */ +#endif /* _XENO_KEYBOARD_H */ |