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23#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
24#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
25
26#ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT
27#define DEBUG
28#endif
29
30#include <linux/rwsem.h>
31#include <linux/dma-mapping.h>
32
33#include <video/omapfb_dss.h>
34
35#ifdef DEBUG
36extern bool omapfb_debug;
37#define DBG(format, ...) \
38 do { \
39 if (omapfb_debug) \
40 printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__); \
41 } while (0)
42#else
43#define DBG(format, ...)
44#endif
45
46#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
47
48
49#define OMAPFB_MAX_OVL_PER_FB 3
50
51struct omapfb2_mem_region {
52 int id;
53 unsigned long attrs;
54 void *token;
55 dma_addr_t dma_handle;
56 u32 paddr;
57 void __iomem *vaddr;
58 struct vrfb vrfb;
59 unsigned long size;
60 u8 type;
61 bool alloc;
62 bool map;
63 atomic_t map_count;
64 struct rw_semaphore lock;
65 atomic_t lock_count;
66};
67
68
69struct omapfb_info {
70 int id;
71 struct omapfb2_mem_region *region;
72 int num_overlays;
73 struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
74 struct omapfb2_device *fbdev;
75 enum omap_dss_rotation_type rotation_type;
76 u8 rotation[OMAPFB_MAX_OVL_PER_FB];
77 bool mirror;
78};
79
80struct omapfb_display_data {
81 struct omapfb2_device *fbdev;
82 struct omap_dss_device *dssdev;
83 u8 bpp_override;
84 enum omapfb_update_mode update_mode;
85 bool auto_update_work_enabled;
86 struct delayed_work auto_update_work;
87};
88
89struct omapfb2_device {
90 struct device *dev;
91 struct mutex mtx;
92
93 u32 pseudo_palette[17];
94
95 int state;
96
97 unsigned num_fbs;
98 struct fb_info *fbs[10];
99 struct omapfb2_mem_region regions[10];
100
101 unsigned num_displays;
102 struct omapfb_display_data displays[10];
103 unsigned num_overlays;
104 struct omap_overlay *overlays[10];
105 unsigned num_managers;
106 struct omap_overlay_manager *managers[10];
107
108 struct workqueue_struct *auto_update_wq;
109};
110
111struct omapfb_colormode {
112 enum omap_color_mode dssmode;
113 u32 bits_per_pixel;
114 u32 nonstd;
115 struct fb_bitfield red;
116 struct fb_bitfield green;
117 struct fb_bitfield blue;
118 struct fb_bitfield transp;
119};
120
121void set_fb_fix(struct fb_info *fbi);
122int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
123int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type);
124int omapfb_apply_changes(struct fb_info *fbi, int init);
125
126int omapfb_create_sysfs(struct omapfb2_device *fbdev);
127void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
128
129int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
130
131int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
132 struct fb_var_screeninfo *var);
133
134int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
135 u16 posx, u16 posy, u16 outw, u16 outh);
136
137void omapfb_start_auto_update(struct omapfb2_device *fbdev,
138 struct omap_dss_device *display);
139void omapfb_stop_auto_update(struct omapfb2_device *fbdev,
140 struct omap_dss_device *display);
141int omapfb_get_update_mode(struct fb_info *fbi, enum omapfb_update_mode *mode);
142int omapfb_set_update_mode(struct fb_info *fbi, enum omapfb_update_mode mode);
143
144
145static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
146{
147 struct omapfb_info *ofbi = FB2OFB(fbi);
148 struct omap_overlay *ovl;
149
150
151
152 if (ofbi->num_overlays == 0)
153 return NULL;
154
155 ovl = ofbi->overlays[0];
156
157 return ovl->get_device(ovl);
158}
159
160static inline struct omapfb_display_data *get_display_data(
161 struct omapfb2_device *fbdev, struct omap_dss_device *dssdev)
162{
163 int i;
164
165 for (i = 0; i < fbdev->num_displays; ++i)
166 if (fbdev->displays[i].dssdev == dssdev)
167 return &fbdev->displays[i];
168
169
170 BUG();
171 return NULL;
172}
173
174static inline void omapfb_lock(struct omapfb2_device *fbdev)
175{
176 mutex_lock(&fbdev->mtx);
177}
178
179static inline void omapfb_unlock(struct omapfb2_device *fbdev)
180{
181 mutex_unlock(&fbdev->mtx);
182}
183
184static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
185 int enable)
186{
187 if (enable)
188 return ovl->enable(ovl);
189 else
190 return ovl->disable(ovl);
191}
192
193static inline struct omapfb2_mem_region *
194omapfb_get_mem_region(struct omapfb2_mem_region *rg)
195{
196 down_read_nested(&rg->lock, rg->id);
197 atomic_inc(&rg->lock_count);
198 return rg;
199}
200
201static inline void omapfb_put_mem_region(struct omapfb2_mem_region *rg)
202{
203 atomic_dec(&rg->lock_count);
204 up_read(&rg->lock);
205}
206
207#endif
208
