2 * linux/drivers/video/omap2/omapfb.h
4 * Copyright (C) 2008 Nokia Corporation
5 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
7 * Some code and ideas taken from drivers/video/omap/ driver
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License version 2 as published by
12 * the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License along with
20 * this program. If not, see <http://www.gnu.org/licenses/>.
23 #ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
24 #define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
26 #ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT
30 #include <plat/display.h>
33 extern unsigned int omapfb_debug;
34 #define DBG(format, ...) \
36 printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__)
38 #define DBG(format, ...)
41 #define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
43 /* max number of overlays to which a framebuffer data can be direct */
44 #define OMAPFB_MAX_OVL_PER_FB 3
46 struct omapfb2_mem_region {
52 u8 type; /* OMAPFB_PLANE_MEM_* */
53 bool alloc; /* allocated by the driver */
54 bool map; /* kernel mapped by the driver */
58 /* appended to fb_info */
61 struct omapfb2_mem_region *region;
63 struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
64 struct omapfb2_device *fbdev;
65 enum omap_dss_rotation_type rotation_type;
66 u8 rotation[OMAPFB_MAX_OVL_PER_FB];
70 struct omapfb2_device {
74 u32 pseudo_palette[17];
79 struct fb_info *fbs[10];
80 struct omapfb2_mem_region regions[10];
82 unsigned num_displays;
83 struct omap_dss_device *displays[10];
84 unsigned num_overlays;
85 struct omap_overlay *overlays[10];
86 unsigned num_managers;
87 struct omap_overlay_manager *managers[10];
89 unsigned num_bpp_overrides;
91 struct omap_dss_device *dssdev;
96 struct omapfb_colormode {
97 enum omap_color_mode dssmode;
100 struct fb_bitfield red;
101 struct fb_bitfield green;
102 struct fb_bitfield blue;
103 struct fb_bitfield transp;
106 void set_fb_fix(struct fb_info *fbi);
107 int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
108 int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type);
109 int omapfb_apply_changes(struct fb_info *fbi, int init);
111 int omapfb_create_sysfs(struct omapfb2_device *fbdev);
112 void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
114 int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
116 int omapfb_update_window(struct fb_info *fbi,
117 u32 x, u32 y, u32 w, u32 h);
119 int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
120 struct fb_var_screeninfo *var);
122 int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
123 u16 posx, u16 posy, u16 outw, u16 outh);
125 /* find the display connected to this fb, if any */
126 static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
128 struct omapfb_info *ofbi = FB2OFB(fbi);
131 /* XXX: returns the display connected to first attached overlay */
132 for (i = 0; i < ofbi->num_overlays; i++) {
133 if (ofbi->overlays[i]->manager)
134 return ofbi->overlays[i]->manager->device;
140 static inline void omapfb_lock(struct omapfb2_device *fbdev)
142 mutex_lock(&fbdev->mtx);
145 static inline void omapfb_unlock(struct omapfb2_device *fbdev)
147 mutex_unlock(&fbdev->mtx);
150 static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
153 struct omap_overlay_info info;
155 ovl->get_overlay_info(ovl, &info);
156 if (info.enabled == enable)
158 info.enabled = enable;
159 return ovl->set_overlay_info(ovl, &info);