diff options
Diffstat (limited to 'drivers/misc/ibmasm/remote.h')
| -rw-r--r-- | drivers/misc/ibmasm/remote.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/misc/ibmasm/remote.h b/drivers/misc/ibmasm/remote.h new file mode 100644 index 000000000000..a8eb19f02d3f --- /dev/null +++ b/drivers/misc/ibmasm/remote.h @@ -0,0 +1,119 @@ + +/* + * 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 Asböck <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_ */ |