aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/omap/omapfb.h
blob: 46e4714014e8b420b3cd62f7f0951fe81b6680aa (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
 * File: drivers/video/omap/omapfb.h
 *
 * Framebuffer driver for TI OMAP boards
 *
 * Copyright (C) 2004 Nokia Corporation
 * Author: Imre Deak <imre.deak@nokia.com>
 *
 * 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; either version 2 of the License, or (at your
 * option) any later version.
 *
 * 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 __OMAPFB_H
#define __OMAPFB_H

#include <linux/fb.h>
#include <linux/mutex.h>
#include <linux/omapfb.h>

#define OMAPFB_EVENT_READY	1
#define OMAPFB_EVENT_DISABLED	2

#define OMAP_LCDC_INV_VSYNC             0x0001
#define OMAP_LCDC_INV_HSYNC             0x0002
#define OMAP_LCDC_INV_PIX_CLOCK         0x0004
#define OMAP_LCDC_INV_OUTPUT_EN         0x0008
#define OMAP_LCDC_HSVS_RISING_EDGE      0x0010
#define OMAP_LCDC_HSVS_OPPOSITE         0x0020

#define OMAP_LCDC_SIGNAL_MASK		0x003f

#define OMAP_LCDC_PANEL_TFT		0x0100

#define OMAPFB_PLANE_XRES_MIN		8
#define OMAPFB_PLANE_YRES_MIN		8

struct omapfb_device;

struct lcd_panel {
	const char	*name;
	int		config;		/* TFT/STN, signal inversion */
	int		bpp;		/* Pixel format in fb mem */
	int		data_lines;	/* Lines on LCD HW interface */

	int		x_res, y_res;
	int		pixel_clock;	/* In kHz */
	int		hsw;		/* Horizontal synchronization
					   pulse width */
	int		hfp;		/* Horizontal front porch */
	int		hbp;		/* Horizontal back porch */
	int		vsw;		/* Vertical synchronization
					   pulse width */
	int		vfp;		/* Vertical front porch */
	int		vbp;		/* Vertical back porch */
	int		acb;		/* ac-bias pin frequency */
	int		pcd;		/* pixel clock divider.
					   Obsolete use pixel_clock instead */

	int		(*init)		(struct lcd_panel *panel,
					 struct omapfb_device *fbdev);
	void		(*cleanup)	(struct lcd_panel *panel);
	int		(*enable)	(struct lcd_panel *panel);
	void		(*disable)	(struct lcd_panel *panel);
	unsigned long	(*get_caps)	(struct lcd_panel *panel);
	int		(*set_bklight_level)(struct lcd_panel *panel,
					     unsigned int level);
	unsigned int	(*get_bklight_level)(struct lcd_panel *panel);
	unsigned int	(*get_bklight_max)  (struct lcd_panel *panel);
	int		(*run_test)	(struct lcd_panel *panel, int test_num);
};

struct extif_timings {
	int cs_on_time;
	int cs_off_time;
	int we_on_time;
	int we_off_time;
	int re_on_time;
	int re_off_time;
	int we_cycle_time;
	int re_cycle_time;
	int cs_pulse_width;
	int access_time;

	int clk_div;

	u32 tim[5];		/* set by extif->convert_timings */

	int converted;
};

struct lcd_ctrl_extif {
	int  (*init)		(struct omapfb_device *fbdev);
	void (*cleanup)		(void);
	void (*get_clk_info)	(u32 *clk_period, u32 *max_clk_div);
	unsigned long (*get_max_tx_rate)(void);
	int  (*convert_timings)	(struct extif_timings *timings);
	void (*set_timings)	(const struct extif_timings *timings);
	void (*set_bits_per_cycle)(int bpc);
	void (*write_command)	(const void *buf, unsigned int len);
	void (*read_data)	(void *buf, unsigned int len);
	void (*write_data)	(const void *buf, unsigned int len);
	void (*transfer_area)	(int width, int height,
				 void (callback)(void *data), void *data);
	int  (*setup_tearsync)	(unsigned pin_cnt,
				 unsigned hs_pulse_time, unsigned vs_pulse_time,
				 int hs_pol_inv, int vs_pol_inv, int div);
	int  (*enable_tearsync) (int enable, unsigned line);

	unsigned long		max_transmit_size;
};

struct omapfb_notifier_block {
	struct notifier_block	nb;
	void			*data;
	int			plane_idx;
};

typedef int (*omapfb_notifier_callback_t)(struct notifier_block *,
					  unsigned long event,
					  void *fbi);

struct lcd_ctrl {
	const char	*name;
	void		*data;

	int		(*init)		  (struct omapfb_device *fbdev,
					   int ext_mode,
					   struct omapfb_mem_desc *req_md);
	void		(*cleanup)	  (void);
	void		(*bind_client)	  (struct omapfb_notifier_block *nb);
	void		(*get_caps)	  (int plane, struct omapfb_caps *caps);
	int		(*set_update_mode)(enum omapfb_update_mode mode);
	enum omapfb_update_mode (*get_update_mode)(void);
	int		(*setup_plane)	  (int plane, int channel_out,
					   unsigned long offset,
					   int screen_width,
					   int pos_x, int pos_y, int width,
					   int height, int color_mode);
	int		(*set_rotate)	  (int angle);
	int		(*setup_mem)	  (int plane, size_t size,
					   int mem_type, unsigned long *paddr);
	int		(*mmap)		  (struct fb_info *info,
					   struct vm_area_struct *vma);
	int		(*set_scale)	  (int plane,
					   int orig_width, int orig_height,
					   int out_width, int out_height);
	int		(*enable_plane)	  (int plane, int enable);
	int		(*update_window)  (struct fb_info *fbi,
					   struct omapfb_update_window *win,
					   void (*callback)(void *),
					   void *callback_data);
	void		(*sync)		  (void);
	void		(*suspend)	  (void);
	void		(*resume)	  (void);
	int		(*run_test)	  (int test_num);
	int		(*setcolreg)	  (u_int regno, u16 red, u16 green,
					   u16 blue, u16 transp,
					   int update_hw_mem);
	int		(*set_color_key)  (struct omapfb_color_key *ck);
	int		(*get_color_key)  (struct omapfb_color_key *ck);
};

enum omapfb_state {
	OMAPFB_DISABLED		= 0,
	OMAPFB_SUSPENDED	= 99,
	OMAPFB_ACTIVE		= 100
};

struct omapfb_plane_struct {
	int				idx;
	struct omapfb_plane_info	info;
	enum omapfb_color_format	color_mode;
	struct omapfb_device		*fbdev;
};

struct omapfb_device {
	int			state;
	int                     ext_lcdc;		/* Using external
							   LCD controller */
	struct mutex		rqueue_mutex;

	int			palette_size;
	u32			pseudo_palette[17];

	struct lcd_panel	*panel;			/* LCD panel */
	const struct lcd_ctrl	*ctrl;			/* LCD controller */
	const struct lcd_ctrl	*int_ctrl;		/* internal LCD ctrl */
	struct lcd_ctrl_extif	*ext_if;		/* LCD ctrl external
							   interface */
	struct device		*dev;
	struct fb_var_screeninfo	new_var;	/* for mode changes */

	struct omapfb_mem_desc		mem_desc;
	struct fb_info			*fb_info[OMAPFB_PLANE_NUM];
};

#ifdef CONFIG_ARCH_OMAP1
extern struct lcd_ctrl omap1_lcd_ctrl;
#else
extern struct lcd_ctrl omap2_disp_ctrl;
#endif

extern void omapfb_register_panel(struct lcd_panel *panel);
extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
extern void omapfb_notify_clients(struct omapfb_device *fbdev,
				  unsigned long event);
extern int  omapfb_register_client(struct omapfb_notifier_block *nb,
				   omapfb_notifier_callback_t callback,
				   void *callback_data);
extern int  omapfb_unregister_client(struct omapfb_notifier_block *nb);
extern int  omapfb_update_window_async(struct fb_info *fbi,
				       struct omapfb_update_window *win,
				       void (*callback)(void *),
				       void *callback_data);

#endif /* __OMAPFB_H */