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1/* linux/arch/arm/plat-s3c/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/**
19 * struct s3c_fb_pd_win - per window setup data
20 * @win_mode: The display parameters to initialise (not for window 0)
21 * @virtual_x: The virtual X size.
22 * @virtual_y: The virtual Y size.
23 */
24struct s3c_fb_pd_win {
25 struct fb_videomode win_mode;
26
27 unsigned short default_bpp;
28 unsigned short max_bpp;
29 unsigned short virtual_x;
30 unsigned short virtual_y;
31};
32
33/**
34 * struct s3c_fb_platdata - S3C driver platform specific information
35 * @setup_gpio: Setup the external GPIO pins to the right state to transfer
36 * the data from the display system to the connected display
37 * device.
38 * @vidcon0: The base vidcon0 values to control the panel data format.
39 * @vidcon1: The base vidcon1 values to control the panel data output.
40 * @win: The setup data for each hardware window, or NULL for unused.
41 * @display_mode: The LCD output display mode.
42 *
43 * The platform data supplies the video driver with all the information
44 * it requires to work with the display(s) attached to the machine. It
45 * controls the initial mode, the number of display windows (0 is always
46 * the base framebuffer) that are initialised etc.
47 *
48 */
49struct s3c_fb_platdata {
50 void (*setup_gpio)(void);
51
52 struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN];
53
54 u32 vidcon0;
55 u32 vidcon1;
56};
57
58/**
59 * s3c_fb_set_platdata() - Setup the FB device with platform data.
60 * @pd: The platform data to set. The data is copied from the passed structure
61 * so the machine data can mark the data __initdata so that any unused
62 * machines will end up dumping their data at runtime.
63 */
64extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd);
65
66/**
67 * s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD
68 *
69 * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
70 */
71extern void s3c64xx_fb_gpio_setup_24bpp(void);
72
73#endif /* __PLAT_S3C_FB_H */