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12#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
13#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
14
15#ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT
16#define DEBUG
17#endif
18
19#include <linux/rwsem.h>
20#include <linux/dma-mapping.h>
21
22#include <video/omapfb_dss.h>
23
24#ifdef DEBUG
25extern bool omapfb_debug;
26#define DBG(format, ...) \
27 do { \
28 if (omapfb_debug) \
29 printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__); \
30 } while (0)
31#else
32#define DBG(format, ...)
33#endif
34
35#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
36
37
38#define OMAPFB_MAX_OVL_PER_FB 3
39
40struct omapfb2_mem_region {
41 int id;
42 unsigned long attrs;
43 void *token;
44 dma_addr_t dma_handle;
45 u32 paddr;
46 void __iomem *vaddr;
47 struct vrfb vrfb;
48 unsigned long size;
49 u8 type;
50 bool alloc;
51 bool map;
52 atomic_t map_count;
53 struct rw_semaphore lock;
54 atomic_t lock_count;
55};
56
57
58struct omapfb_info {
59 int id;
60 struct omapfb2_mem_region *region;
61 int num_overlays;
62 struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
63 struct omapfb2_device *fbdev;
64 enum omap_dss_rotation_type rotation_type;
65 u8 rotation[OMAPFB_MAX_OVL_PER_FB];
66 bool mirror;
67};
68
69struct omapfb_display_data {
70 struct omapfb2_device *fbdev;
71 struct omap_dss_device *dssdev;
72 u8 bpp_override;
73 enum omapfb_update_mode update_mode;
74 bool auto_update_work_enabled;
75 struct delayed_work auto_update_work;
76};
77
78struct omapfb2_device {
79 struct device *dev;
80 struct mutex mtx;
81
82 u32 pseudo_palette[17];
83
84 int state;
85
86 unsigned num_fbs;
87 struct fb_info *fbs[10];
88 struct omapfb2_mem_region regions[10];
89
90 unsigned num_displays;
91 struct omapfb_display_data displays[10];
92 unsigned num_overlays;
93 struct omap_overlay *overlays[10];
94 unsigned num_managers;
95 struct omap_overlay_manager *managers[10];
96
97 struct workqueue_struct *auto_update_wq;
98};
99
100struct omapfb_colormode {
101 enum omap_color_mode dssmode;
102 u32 bits_per_pixel;
103 u32 nonstd;
104 struct fb_bitfield red;
105 struct fb_bitfield green;
106 struct fb_bitfield blue;
107 struct fb_bitfield transp;
108};
109
110void set_fb_fix(struct fb_info *fbi);
111int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
112int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type);
113int omapfb_apply_changes(struct fb_info *fbi, int init);
114
115int omapfb_create_sysfs(struct omapfb2_device *fbdev);
116void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
117
118int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
119
120int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
121 struct fb_var_screeninfo *var);
122
123int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
124 u16 posx, u16 posy, u16 outw, u16 outh);
125
126void omapfb_start_auto_update(struct omapfb2_device *fbdev,
127 struct omap_dss_device *display);
128void omapfb_stop_auto_update(struct omapfb2_device *fbdev,
129 struct omap_dss_device *display);
130int omapfb_get_update_mode(struct fb_info *fbi, enum omapfb_update_mode *mode);
131int omapfb_set_update_mode(struct fb_info *fbi, enum omapfb_update_mode mode);
132
133
134static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
135{
136 struct omapfb_info *ofbi = FB2OFB(fbi);
137 struct omap_overlay *ovl;
138
139
140
141 if (ofbi->num_overlays == 0)
142 return NULL;
143
144 ovl = ofbi->overlays[0];
145
146 return ovl->get_device(ovl);
147}
148
149static inline struct omapfb_display_data *get_display_data(
150 struct omapfb2_device *fbdev, struct omap_dss_device *dssdev)
151{
152 int i;
153
154 for (i = 0; i < fbdev->num_displays; ++i)
155 if (fbdev->displays[i].dssdev == dssdev)
156 return &fbdev->displays[i];
157
158
159 BUG();
160 return NULL;
161}
162
163static inline void omapfb_lock(struct omapfb2_device *fbdev)
164{
165 mutex_lock(&fbdev->mtx);
166}
167
168static inline void omapfb_unlock(struct omapfb2_device *fbdev)
169{
170 mutex_unlock(&fbdev->mtx);
171}
172
173static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
174 int enable)
175{
176 if (enable)
177 return ovl->enable(ovl);
178 else
179 return ovl->disable(ovl);
180}
181
182static inline struct omapfb2_mem_region *
183omapfb_get_mem_region(struct omapfb2_mem_region *rg)
184{
185 down_read_nested(&rg->lock, rg->id);
186 atomic_inc(&rg->lock_count);
187 return rg;
188}
189
190static inline void omapfb_put_mem_region(struct omapfb2_mem_region *rg)
191{
192 atomic_dec(&rg->lock_count);
193 up_read(&rg->lock);
194}
195
196#endif
197
