target/linux/pxa/patches-2.6.21/035-pxafb-definition.patch

   1 Index: linux-2.6.21.7/arch/arm/mach-pxa/gumstix.c
   2 ===================================================================
   3 --- linux-2.6.21.7.orig/arch/arm/mach-pxa/gumstix.c
   4 +++ linux-2.6.21.7/arch/arm/mach-pxa/gumstix.c
   5 @@ -25,6 +25,7 @@
   6  #include <asm/arch/udc.h>
   7  #include <asm/arch/mmc.h>
   8  #include <asm/arch/pxa-regs.h>
   9 +#include <asm/arch/pxafb.h>
  10  #include <asm/arch/gumstix.h>
  11
  12  #include "generic.h"
  13 @@ -90,6 +91,89 @@ static struct platform_device gum_audio_
  14         .id             = -1,
  15  };
  16
  17 +
  18 +#if defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) || defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
  19 +static void gumstix_lcd_backlight(int on_or_off)
  20 +{
  21 +       if(on_or_off)
  22 +       {
  23 +               pxa_gpio_mode(17 | GPIO_IN);
  24 +       } else {
  25 +               GPCR(17) = GPIO_bit(17);
  26 +               pxa_gpio_mode(17 | GPIO_OUT);
  27 +               GPCR(17) = GPIO_bit(17);
  28 +       }
  29 +}
  30 +#endif
  31 +
  32 +
  33 +#ifdef CONFIG_FB_PXA_ALPS_CDOLLAR
  34 +static struct pxafb_mode_info gumstix_fb_mode = {
  35 +       .pixclock       = 300000,
  36 +       .xres           = 240,
  37 +       .yres           = 320,
  38 +       .bpp            = 16,
  39 +       .hsync_len      = 2,
  40 +       .left_margin    = 1,
  41 +       .right_margin   = 1,
  42 +       .vsync_len      = 3,
  43 +       .upper_margin   = 0,
  44 +       .lower_margin   = 0,
  45 +       .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
  46 +};
  47 +
  48 +static struct pxafb_mach_info gumstix_fb_info = {
  49 +       .modes          = &gumstix_fb_mode,
  50 +       .num_modes      = 1,
  51 +       .lccr0          = LCCR0_Pas | LCCR0_Sngl | LCCR0_Color,
  52 +       .lccr3          = 0,
  53 +};
  54 +#elif defined(CONFIG_FB_PXA_SHARP_LQ043_PSP)
  55 +static struct pxafb_mode_info gumstix_fb_mode = {
  56 +       .pixclock       = 110000,
  57 +       .xres           = 480,
  58 +       .yres           = 272,
  59 +       .bpp            = 16,
  60 +       .hsync_len      = 41,
  61 +       .left_margin    = 2,
  62 +       .right_margin   = 2,
  63 +       .vsync_len      = 10,
  64 +       .upper_margin   = 2,
  65 +       .lower_margin   = 2,
  66 +       .sync           = 0, // Hsync and Vsync both active low
  67 +};
  68 +
  69 +static struct pxafb_mach_info gumstix_fb_info = {
  70 +       .modes                  = &gumstix_fb_mode,
  71 +       .num_modes              = 1,
  72 +       .lccr0                  = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
  73 +       .lccr3                  = LCCR3_OutEnH | LCCR3_PixFlEdg | (3 << 30),
  74 +       .pxafb_backlight_power  = &gumstix_lcd_backlight,
  75 +};
  76 +#elif defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
  77 +static struct pxafb_mode_info gumstix_fb_mode = {
  78 +       .pixclock       = 108696, // 9.2MHz typical DOTCLK from datasheet
  79 +       .xres           = 480,
  80 +       .hsync_len      = 41, // HLW from datasheet: 41 typ
  81 +       .left_margin    = 4, // HBP - HLW from datasheet: 45 - 41 = 4
  82 +       .right_margin   = 8, // HFP from datasheet: 8 typ
  83 +       .yres           = 272,
  84 +       .vsync_len      = 10, // VLW from datasheet: 10 typ
  85 +       .upper_margin   = 2, // VBP - VLW from datasheet: 12 - 10 = 2
  86 +       .lower_margin   = 4, // VFP from datasheet: 4 typ
  87 +       .bpp            = 16,
  88 +       .sync           = 0, // Hsync and Vsync both active low
  89 +};
  90 +
  91 +static struct pxafb_mach_info gumstix_fb_info = {
  92 +       .modes                  = &gumstix_fb_mode,
  93 +       .num_modes              = 1,
  94 +       .lccr0                  = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
  95 +       .lccr3                  = LCCR3_OutEnH | LCCR3_PixFlEdg | (3 << 30),
  96 +       .pxafb_backlight_power  = &gumstix_lcd_backlight,
  97 +};
  98 +#endif
  99 +
 100  static struct platform_device *devices[] __initdata = {
 101         &gum_audio_device,
 102  };
 103 @@ -98,6 +182,9 @@ static void __init gumstix_init(void)
 104  {
 105         pxa_set_mci_info(&gumstix_mci_platform_data);
 106         pxa_set_udc_info(&gumstix_udc_info);
 107 +#if defined(CONFIG_FB_PXA_ALPS_CDOLLAR) | defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) | defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
 108 +       set_pxa_fb_info(&gumstix_fb_info);
 109 +#endif
 110         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
 111  }
 112
 113 Index: linux-2.6.21.7/drivers/video/Kconfig
 114 ===================================================================
 115 --- linux-2.6.21.7.orig/drivers/video/Kconfig
 116 +++ linux-2.6.21.7/drivers/video/Kconfig
 117 @@ -1495,6 +1495,37 @@ config FB_PXA
 118
 119           If unsure, say N.
 120
 121 +choice
 122 +       depends on FB_PXA
 123 +       prompt "LCD Panel"
 124 +       default FB_PXA_SAMSUNG_LTE430WQ_F0C
 125 +
 126 +config FB_PXA_ALPS_CDOLLAR
 127 +       boolean "Chris Dollar's ALPS screen"
 128 +       ---help---
 129 +         Enable definitions (over-ridable on the kernel command line if
 130 +         "PXA LCD command line parameters" is also selected) for an ALPS
 131 +         screen which Chris Dollar uses
 132 +
 133 +config FB_PXA_SHARP_LQ043_PSP
 134 +       boolean "SHARP LQ043... series"
 135 +       ---help---
 136 +         Enable definitions (over-ridable on the kernel command line if
 137 +         "PXA LCD command line parameters" is also selected) for a SHARP
 138 +         LQ043... screen, such as the one used by the PSP.  These screens are
 139 +         the ones normally sold by gumstix with its boards.
 140 +
 141 +config FB_PXA_SAMSUNG_LTE430WQ_F0C
 142 +       boolean "Samsung LTE430WQ-F0C (standard gumstix LCD)"
 143 +       ---help---
 144 +         Enable definitions for a Samsung LTE430WQ-F0C LCD panel, such as the ones resold
 145 +         by gumstix for use with their "LCD-Ready" boards.
 146 +
 147 +config FB_PXA_NONEOFTHEABOVE
 148 +       boolean "None of the above"
 149 +
 150 +endchoice
 151 +
 152  config FB_PXA_PARAMETERS
 153         bool "PXA LCD command line parameters"
 154         default n
 155 Index: linux-2.6.21.7/drivers/video/pxafb.c
 156 ===================================================================
 157 --- linux-2.6.21.7.orig/drivers/video/pxafb.c
 158 +++ linux-2.6.21.7/drivers/video/pxafb.c
 159 @@ -22,6 +22,7 @@
 160   *
 161   */
 162
 163 +#include <linux/autoconf.h>
 164  #include <linux/module.h>
 165  #include <linux/moduleparam.h>
 166  #include <linux/kernel.h>
 167 @@ -789,7 +790,13 @@ static void pxafb_setup_gpio(struct pxaf
 168         pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
 169         pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
 170         pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
 171 +#ifdef CONFIG_FB_PXA_SHARP_LQ043_PSP
 172 +       /* DISP must be always high while screen is on */
 173 +       pxa_gpio_mode(GPIO77_LCD_ACBIAS | GPIO_OUT);
 174 +       GPSR(GPIO77_LCD_ACBIAS) = GPIO_bit(GPIO77_LCD_ACBIAS);
 175 +#else
 176         pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
 177 +#endif
 178  }
 179
 180  static void pxafb_enable_controller(struct pxafb_info *fbi)