310d8c1112
Add the PS3 Virtual Frame Buffer Driver. As the actual graphics hardware cannot be accessed directly by Linux, ps3fb uses a virtual frame buffer in main memory. The actual screen image is copied to graphics memory by the GPU on every vertical blank, by making a hypervisor call. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: James Simmons <jsimmons@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2006 Sony Computer Entertainment Inc.
|
|
* Copyright 2006, 2007 Sony Corporation
|
|
*
|
|
* 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; version 2 of the License.
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef _ASM_POWERPC_PS3FB_H_
|
|
#define _ASM_POWERPC_PS3FB_H_
|
|
|
|
#include <linux/ioctl.h>
|
|
|
|
/* ioctl */
|
|
#define PS3FB_IOCTL_SETMODE _IOW('r', 1, int) /* set video mode */
|
|
#define PS3FB_IOCTL_GETMODE _IOR('r', 2, int) /* get video mode */
|
|
#define PS3FB_IOCTL_SCREENINFO _IOR('r', 3, int) /* get screen info */
|
|
#define PS3FB_IOCTL_ON _IO('r', 4) /* use IOCTL_FSEL */
|
|
#define PS3FB_IOCTL_OFF _IO('r', 5) /* return to normal-flip */
|
|
#define PS3FB_IOCTL_FSEL _IOW('r', 6, int) /* blit and flip request */
|
|
|
|
#ifndef FBIO_WAITFORVSYNC
|
|
#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32) /* wait for vsync */
|
|
#endif
|
|
|
|
struct ps3fb_ioctl_res {
|
|
__u32 xres; /* frame buffer x_size */
|
|
__u32 yres; /* frame buffer y_size */
|
|
__u32 xoff; /* margine x */
|
|
__u32 yoff; /* margine y */
|
|
__u32 num_frames; /* num of frame buffers */
|
|
};
|
|
|
|
#endif /* _ASM_POWERPC_PS3FB_H_ */
|