Blame view

kernel/linux-imx6_3.14.28/arch/arm/mach-s5pv210/setup-fb-24bpp.c 1.33 KB
6b13f685e   김민수   BSP 최초 추가
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
  /* linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c
   *
   * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
   *		http://www.samsung.com/
   *
   * Base s5pv210 setup information for 24bpp LCD framebuffer
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #include <linux/kernel.h>
  #include <linux/types.h>
  #include <linux/fb.h>
  #include <linux/gpio.h>
  
  #include <mach/map.h>
  #include <plat/fb.h>
  #include <mach/regs-clock.h>
  #include <plat/gpio-cfg.h>
  
  static void s5pv210_fb_cfg_gpios(unsigned int base, unsigned int nr)
  {
  	s3c_gpio_cfgrange_nopull(base, nr, S3C_GPIO_SFN(2));
  
  	for (; nr > 0; nr--, base++)
  		s5p_gpio_set_drvstr(base, S5P_GPIO_DRVSTR_LV4);
  }
  
  
  void s5pv210_fb_gpio_setup_24bpp(void)
  {
  	s5pv210_fb_cfg_gpios(S5PV210_GPF0(0), 8);
  	s5pv210_fb_cfg_gpios(S5PV210_GPF1(0), 8);
  	s5pv210_fb_cfg_gpios(S5PV210_GPF2(0), 8);
  	s5pv210_fb_cfg_gpios(S5PV210_GPF3(0), 4);
  
  	/* Set DISPLAY_CONTROL register for Display path selection.
  	 *
  	 * ouput   |   RGB   |   I80   |   ITU
  	 * -----------------------------------
  	 *  00     |   MIE   |  FIMD   |  FIMD
  	 *  01     | MDNIE   | MDNIE   |  FIMD
  	 *  10     |  FIMD   |  FIMD   |  FIMD
  	 *  11     |  FIMD   |  FIMD   |  FIMD
  	 */
  	writel(0x2, S5P_MDNIE_SEL);
  }