mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-04 06:54:27 -05:00
175 lines
4.9 KiB
Diff
175 lines
4.9 KiB
Diff
--- a/arch/arm/mach-pxa/gumstix.c
|
|
+++ b/arch/arm/mach-pxa/gumstix.c
|
|
@@ -25,6 +25,7 @@
|
|
#include <asm/arch/udc.h>
|
|
#include <asm/arch/mmc.h>
|
|
#include <asm/arch/pxa-regs.h>
|
|
+#include <asm/arch/pxafb.h>
|
|
#include <asm/arch/gumstix.h>
|
|
|
|
#include "generic.h"
|
|
@@ -90,6 +91,89 @@ static struct platform_device gum_audio_
|
|
.id = -1,
|
|
};
|
|
|
|
+
|
|
+#if defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) || defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
|
|
+static void gumstix_lcd_backlight(int on_or_off)
|
|
+{
|
|
+ if(on_or_off)
|
|
+ {
|
|
+ pxa_gpio_mode(17 | GPIO_IN);
|
|
+ } else {
|
|
+ GPCR(17) = GPIO_bit(17);
|
|
+ pxa_gpio_mode(17 | GPIO_OUT);
|
|
+ GPCR(17) = GPIO_bit(17);
|
|
+ }
|
|
+}
|
|
+#endif
|
|
+
|
|
+
|
|
+#ifdef CONFIG_FB_PXA_ALPS_CDOLLAR
|
|
+static struct pxafb_mode_info gumstix_fb_mode = {
|
|
+ .pixclock = 300000,
|
|
+ .xres = 240,
|
|
+ .yres = 320,
|
|
+ .bpp = 16,
|
|
+ .hsync_len = 2,
|
|
+ .left_margin = 1,
|
|
+ .right_margin = 1,
|
|
+ .vsync_len = 3,
|
|
+ .upper_margin = 0,
|
|
+ .lower_margin = 0,
|
|
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+};
|
|
+
|
|
+static struct pxafb_mach_info gumstix_fb_info = {
|
|
+ .modes = &gumstix_fb_mode,
|
|
+ .num_modes = 1,
|
|
+ .lccr0 = LCCR0_Pas | LCCR0_Sngl | LCCR0_Color,
|
|
+ .lccr3 = 0,
|
|
+};
|
|
+#elif defined(CONFIG_FB_PXA_SHARP_LQ043_PSP)
|
|
+static struct pxafb_mode_info gumstix_fb_mode = {
|
|
+ .pixclock = 110000,
|
|
+ .xres = 480,
|
|
+ .yres = 272,
|
|
+ .bpp = 16,
|
|
+ .hsync_len = 41,
|
|
+ .left_margin = 2,
|
|
+ .right_margin = 2,
|
|
+ .vsync_len = 10,
|
|
+ .upper_margin = 2,
|
|
+ .lower_margin = 2,
|
|
+ .sync = 0, // Hsync and Vsync both active low
|
|
+};
|
|
+
|
|
+static struct pxafb_mach_info gumstix_fb_info = {
|
|
+ .modes = &gumstix_fb_mode,
|
|
+ .num_modes = 1,
|
|
+ .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
|
|
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg | (3 << 30),
|
|
+ .pxafb_backlight_power = &gumstix_lcd_backlight,
|
|
+};
|
|
+#elif defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
|
|
+static struct pxafb_mode_info gumstix_fb_mode = {
|
|
+ .pixclock = 108696, // 9.2MHz typical DOTCLK from datasheet
|
|
+ .xres = 480,
|
|
+ .hsync_len = 41, // HLW from datasheet: 41 typ
|
|
+ .left_margin = 4, // HBP - HLW from datasheet: 45 - 41 = 4
|
|
+ .right_margin = 8, // HFP from datasheet: 8 typ
|
|
+ .yres = 272,
|
|
+ .vsync_len = 10, // VLW from datasheet: 10 typ
|
|
+ .upper_margin = 2, // VBP - VLW from datasheet: 12 - 10 = 2
|
|
+ .lower_margin = 4, // VFP from datasheet: 4 typ
|
|
+ .bpp = 16,
|
|
+ .sync = 0, // Hsync and Vsync both active low
|
|
+};
|
|
+
|
|
+static struct pxafb_mach_info gumstix_fb_info = {
|
|
+ .modes = &gumstix_fb_mode,
|
|
+ .num_modes = 1,
|
|
+ .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
|
|
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg | (3 << 30),
|
|
+ .pxafb_backlight_power = &gumstix_lcd_backlight,
|
|
+};
|
|
+#endif
|
|
+
|
|
static struct platform_device *devices[] __initdata = {
|
|
&gum_audio_device,
|
|
};
|
|
@@ -98,6 +182,9 @@ static void __init gumstix_init(void)
|
|
{
|
|
pxa_set_mci_info(&gumstix_mci_platform_data);
|
|
pxa_set_udc_info(&gumstix_udc_info);
|
|
+#if defined(CONFIG_FB_PXA_ALPS_CDOLLAR) | defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) | defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
|
|
+ set_pxa_fb_info(&gumstix_fb_info);
|
|
+#endif
|
|
(void) platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
--- a/drivers/video/Kconfig
|
|
+++ b/drivers/video/Kconfig
|
|
@@ -1495,6 +1495,37 @@ config FB_PXA
|
|
|
|
If unsure, say N.
|
|
|
|
+choice
|
|
+ depends on FB_PXA
|
|
+ prompt "LCD Panel"
|
|
+ default FB_PXA_SAMSUNG_LTE430WQ_F0C
|
|
+
|
|
+config FB_PXA_ALPS_CDOLLAR
|
|
+ boolean "Chris Dollar's ALPS screen"
|
|
+ ---help---
|
|
+ Enable definitions (over-ridable on the kernel command line if
|
|
+ "PXA LCD command line parameters" is also selected) for an ALPS
|
|
+ screen which Chris Dollar uses
|
|
+
|
|
+config FB_PXA_SHARP_LQ043_PSP
|
|
+ boolean "SHARP LQ043... series"
|
|
+ ---help---
|
|
+ Enable definitions (over-ridable on the kernel command line if
|
|
+ "PXA LCD command line parameters" is also selected) for a SHARP
|
|
+ LQ043... screen, such as the one used by the PSP. These screens are
|
|
+ the ones normally sold by gumstix with its boards.
|
|
+
|
|
+config FB_PXA_SAMSUNG_LTE430WQ_F0C
|
|
+ boolean "Samsung LTE430WQ-F0C (standard gumstix LCD)"
|
|
+ ---help---
|
|
+ Enable definitions for a Samsung LTE430WQ-F0C LCD panel, such as the ones resold
|
|
+ by gumstix for use with their "LCD-Ready" boards.
|
|
+
|
|
+config FB_PXA_NONEOFTHEABOVE
|
|
+ boolean "None of the above"
|
|
+
|
|
+endchoice
|
|
+
|
|
config FB_PXA_PARAMETERS
|
|
bool "PXA LCD command line parameters"
|
|
default n
|
|
--- a/drivers/video/pxafb.c
|
|
+++ b/drivers/video/pxafb.c
|
|
@@ -22,6 +22,7 @@
|
|
*
|
|
*/
|
|
|
|
+#include <linux/autoconf.h>
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/kernel.h>
|
|
@@ -789,7 +790,13 @@ static void pxafb_setup_gpio(struct pxaf
|
|
pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
|
|
pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
|
|
pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
|
|
+#ifdef CONFIG_FB_PXA_SHARP_LQ043_PSP
|
|
+ /* DISP must be always high while screen is on */
|
|
+ pxa_gpio_mode(GPIO77_LCD_ACBIAS | GPIO_OUT);
|
|
+ GPSR(GPIO77_LCD_ACBIAS) = GPIO_bit(GPIO77_LCD_ACBIAS);
|
|
+#else
|
|
pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
|
|
+#endif
|
|
}
|
|
|
|
static void pxafb_enable_controller(struct pxafb_info *fbi)
|