mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-16 09:13:55 +08:00
aa1e49a375
Add an exported function omap_vrfb_supported() which returns true if the vrfb driver has been loaded succesfully. This can be used to decide if VRFB can be used or not. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*
|
|
* VRFB Rotation Engine
|
|
*
|
|
* Copyright (C) 2009 Nokia Corporation
|
|
* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __OMAP_VRFB_H__
|
|
#define __OMAP_VRFB_H__
|
|
|
|
#define OMAP_VRFB_LINE_LEN 2048
|
|
|
|
struct vrfb {
|
|
u8 context;
|
|
void __iomem *vaddr[4];
|
|
unsigned long paddr[4];
|
|
u16 xres;
|
|
u16 yres;
|
|
u16 xoffset;
|
|
u16 yoffset;
|
|
u8 bytespp;
|
|
bool yuv_mode;
|
|
};
|
|
|
|
#ifdef CONFIG_OMAP2_VRFB
|
|
extern bool omap_vrfb_supported(void);
|
|
extern int omap_vrfb_request_ctx(struct vrfb *vrfb);
|
|
extern void omap_vrfb_release_ctx(struct vrfb *vrfb);
|
|
extern void omap_vrfb_adjust_size(u16 *width, u16 *height,
|
|
u8 bytespp);
|
|
extern u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp);
|
|
extern u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp);
|
|
extern void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
|
|
u16 width, u16 height,
|
|
unsigned bytespp, bool yuv_mode);
|
|
extern int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot);
|
|
extern void omap_vrfb_restore_context(void);
|
|
|
|
#else
|
|
static inline bool omap_vrfb_supported(void) { return false; }
|
|
static inline int omap_vrfb_request_ctx(struct vrfb *vrfb) { return 0; }
|
|
static inline void omap_vrfb_release_ctx(struct vrfb *vrfb) {}
|
|
static inline void omap_vrfb_adjust_size(u16 *width, u16 *height,
|
|
u8 bytespp) {}
|
|
static inline u32 omap_vrfb_min_phys_size(u16 width, u16 height, u8 bytespp)
|
|
{ return 0; }
|
|
static inline u16 omap_vrfb_max_height(u32 phys_size, u16 width, u8 bytespp)
|
|
{ return 0; }
|
|
static inline void omap_vrfb_setup(struct vrfb *vrfb, unsigned long paddr,
|
|
u16 width, u16 height, unsigned bytespp, bool yuv_mode) {}
|
|
static inline int omap_vrfb_map_angle(struct vrfb *vrfb, u16 height, u8 rot)
|
|
{ return 0; }
|
|
static inline void omap_vrfb_restore_context(void) {}
|
|
#endif
|
|
#endif /* __VRFB_H */
|