1 /* arch/arm/plat-samsung/include/plat/fb.h
2  *
3  * Copyright 2008 Openmoko, Inc.
4  * Copyright 2008 Simtec Electronics
5  *	http://armlinux.simtec.co.uk/
6  *	Ben Dooks <ben@simtec.co.uk>
7  *
8  * S3C - FB platform data definitions
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13 */
14 
15 #ifndef __PLAT_S3C_FB_H
16 #define __PLAT_S3C_FB_H __FILE__
17 
18 /* S3C_FB_MAX_WIN
19  * Set to the maximum number of windows that any of the supported hardware
20  * can use. Since the platform data uses this for an array size, having it
21  * set to the maximum of any version of the hardware can do is safe.
22  */
23 #define S3C_FB_MAX_WIN	(5)
24 
25 /**
26  * struct s3c_fb_pd_win - per window setup data
27  * @win_mode: The display parameters to initialise (not for window 0)
28  * @virtual_x: The virtual X size.
29  * @virtual_y: The virtual Y size.
30  */
31 struct s3c_fb_pd_win {
32 	struct fb_videomode	win_mode;
33 
34 	unsigned short		default_bpp;
35 	unsigned short		max_bpp;
36 	unsigned short		virtual_x;
37 	unsigned short		virtual_y;
38 };
39 
40 /**
41  * struct s3c_fb_platdata -  S3C driver platform specific information
42  * @setup_gpio: Setup the external GPIO pins to the right state to transfer
43  *		the data from the display system to the connected display
44  *		device.
45  * @default_win: default window layer number to be used for UI layer.
46  * @vidcon0: The base vidcon0 values to control the panel data format.
47  * @vidcon1: The base vidcon1 values to control the panel data output.
48  * @win: The setup data for each hardware window, or NULL for unused.
49  * @display_mode: The LCD output display mode.
50  *
51  * The platform data supplies the video driver with all the information
52  * it requires to work with the display(s) attached to the machine. It
53  * controls the initial mode, the number of display windows (0 is always
54  * the base framebuffer) that are initialised etc.
55  *
56  */
57 struct s3c_fb_platdata {
58 	void	(*setup_gpio)(void);
59 
60 	struct s3c_fb_pd_win	*win[S3C_FB_MAX_WIN];
61 
62 	u32			 default_win;
63 
64 	u32			 vidcon0;
65 	u32			 vidcon1;
66 };
67 
68 /**
69  * s3c_fb_set_platdata() - Setup the FB device with platform data.
70  * @pd: The platform data to set. The data is copied from the passed structure
71  *      so the machine data can mark the data __initdata so that any unused
72  *      machines will end up dumping their data at runtime.
73  */
74 extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd);
75 
76 /**
77  * s5p_fimd0_set_platdata() - Setup the FB device with platform data.
78  * @pd: The platform data to set. The data is copied from the passed structure
79  *      so the machine data can mark the data __initdata so that any unused
80  *      machines will end up dumping their data at runtime.
81  */
82 extern void s5p_fimd0_set_platdata(struct s3c_fb_platdata *pd);
83 
84 /**
85  * s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD
86  *
87  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
88  */
89 extern void s3c64xx_fb_gpio_setup_24bpp(void);
90 
91 /**
92  * s5pc100_fb_gpio_setup_24bpp() - S5PC100 setup function for 24bpp LCD
93  *
94  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
95  */
96 extern void s5pc100_fb_gpio_setup_24bpp(void);
97 
98 /**
99  * s5pv210_fb_gpio_setup_24bpp() - S5PV210/S5PC110 setup function for 24bpp LCD
100  *
101  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
102  */
103 extern void s5pv210_fb_gpio_setup_24bpp(void);
104 
105 /**
106  * exynos4_fimd0_gpio_setup_24bpp() - Exynos4 setup function for 24bpp LCD0
107  *
108  * Initialise the GPIO for an 24bpp LCD display on the RGB interface 0.
109  */
110 extern void exynos4_fimd0_gpio_setup_24bpp(void);
111 
112 /**
113  * s5p64x0_fb_gpio_setup_24bpp() - S5P6440/S5P6450 setup function for 24bpp LCD
114  *
115  * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
116  */
117 extern void s5p64x0_fb_gpio_setup_24bpp(void);
118 
119 #endif /* __PLAT_S3C_FB_H */
120