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/*
* IBM ASM Service Processor Device Driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) IBM Corporation, 2004
*
* Author: Max Asbck <amax@us.ibm.com>
*
* Orignally written by Pete Reynolds
*/
#ifndef _IBMASM_REMOTE_H_
#define _IBMASM_REMOTE_H_
#include <asm/io.h>
/* pci offsets */
#define CONDOR_MOUSE_DATA 0x000AC000
#define CONDOR_MOUSE_ISR_CONTROL 0x00
#define CONDOR_MOUSE_ISR_STATUS 0x04
#define CONDOR_MOUSE_Q_READER 0x08
#define CONDOR_MOUSE_Q_WRITER 0x0C
#define CONDOR_MOUSE_Q_BEGIN 0x10
#define CONDOR_MOUSE_MAX_X 0x14
#define CONDOR_MOUSE_MAX_Y 0x18
#define CONDOR_INPUT_DESKTOP_INFO 0x1F0
#define CONDOR_INPUT_DISPLAY_RESX 0x1F4
#define CONDOR_INPUT_DISPLAY_RESY 0x1F8
#define CONDOR_INPUT_DISPLAY_BITS 0x1FC
#define CONDOR_OUTPUT_VNC_STATUS 0x200
#define CONDOR_MOUSE_INTR_STATUS_MASK 0x00000001
#define INPUT_TYPE_MOUSE 0x1
#define INPUT_TYPE_KEYBOARD 0x2
/* mouse button states received from SP */
#define REMOTE_MOUSE_DOUBLE_CLICK 0xF0
#define REMOTE_MOUSE_BUTTON_LEFT 0x01
#define REMOTE_MOUSE_BUTTON_MIDDLE 0x02
#define REMOTE_MOUSE_BUTTON_RIGHT 0x04
struct mouse_input {
unsigned short y;
unsigned short x;
};
struct keyboard_input {
unsigned short key_code;
unsigned char key_flag;
unsigned char key_down;
};
struct remote_input {
union {
struct mouse_input mouse;
struct keyboard_input keyboard;
} data;
unsigned char type;
unsigned char pad1;
unsigned char mouse_buttons;
unsigned char pad3;
};
#define mouse_addr(sp) sp->base_address + CONDOR_MOUSE_DATA
#define display_width(sp) mouse_addr(sp) + CONDOR_INPUT_DISPLAY_RESX
#define display_height(sp) mouse_addr(sp) + CONDOR_INPUT_DISPLAY_RESY
#define display_depth(sp) mouse_addr(sp) + CONDOR_INPUT_DISPLAY_BITS
#define vnc_status(sp) mouse_addr(sp) + CONDOR_OUTPUT_VNC_STATUS
#define mouse_interrupt_pending(sp) readl(mouse_addr(sp) + CONDOR_MOUSE_ISR_STATUS)
#define clear_mouse_interrupt(sp) writel(0, mouse_addr(sp) + CONDOR_MOUSE_ISR_STATUS)
#define enable_mouse_interrupts(sp) writel(1, mouse_addr(sp) + CONDOR_MOUSE_ISR_CONTROL)
#define disable_mouse_interrupts(sp) writel(0, mouse_addr(sp) + CONDOR_MOUSE_ISR_CONTROL)
/* remote input queue operations */
#define REMOTE_QUEUE_SIZE 60
#define get_queue_writer(sp) readl(mouse_addr(sp) + CONDOR_MOUSE_Q_WRITER)
#define get_queue_reader(sp) readl(mouse_addr(sp) + CONDOR_MOUSE_Q_READER)
#define set_queue_reader(sp, reader) writel(reader, mouse_addr(sp) + CONDOR_MOUSE_Q_READER)
#define queue_begin mouse_addr(sp) + CONDOR_MOUSE_Q_BEGIN
#define get_queue_entry(sp, read_index) \
queue_begin + read_index * sizeof(struct remote_input)
static inline int advance_queue_reader(struct service_processor *sp, unsigned long reader)
{
reader++;
if (reader == REMOTE_QUEUE_SIZE)
reader = 0;
set_queue_reader(sp, reader);
return reader;
}
#endif /* _IBMASM_REMOTE_H_ */
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