1 /* linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c
2 *
3 * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Base s5pv210 setup information for 24bpp LCD framebuffer
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13 #include <linux/kernel.h>
14 #include <linux/types.h>
15 #include <linux/fb.h>
16 #include <linux/gpio.h>
17
18 #include <mach/map.h>
19 #include <plat/fb.h>
20 #include <mach/regs-clock.h>
21 #include <plat/gpio-cfg.h>
22
s5pv210_fb_cfg_gpios(unsigned int base,unsigned int nr)23 static void s5pv210_fb_cfg_gpios(unsigned int base, unsigned int nr)
24 {
25 s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(2));
26
27 for (; nr > 0; nr--, base++)
28 s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4);
29 }
30
31
s5pv210_fb_gpio_setup_24bpp(void)32 void s5pv210_fb_gpio_setup_24bpp(void)
33 {
34 s5pv210_fb_cfg_gpios(S5PV210_GPF0(0), 8);
35 s5pv210_fb_cfg_gpios(S5PV210_GPF1(0), 8);
36 s5pv210_fb_cfg_gpios(S5PV210_GPF2(0), 8);
37 s5pv210_fb_cfg_gpios(S5PV210_GPF3(0), 4);
38
39 /* Set DISPLAY_CONTROL register for Display path selection.
40 *
41 * ouput | RGB | I80 | ITU
42 * -----------------------------------
43 * 00 | MIE | FIMD | FIMD
44 * 01 | MDNIE | MDNIE | FIMD
45 * 10 | FIMD | FIMD | FIMD
46 * 11 | FIMD | FIMD | FIMD
47 */
48 writel(0x2, S5P_MDNIE_SEL);
49 }
50