#include <linux/platform_device.h>
#include <linux/i2c/twl4030.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/omapfb.h>
+#include <mach/gpio.h>
+#include <mach/mux.h>
+#include <mach/omapfb.h>
#include <asm/mach-types.h>
#define LCD_PANEL_ENABLE_GPIO 153
#define LCD_XRES 480
#define LCD_YRES 640
-#define LCD_PIXCLOCK_MAX 41700 /* in pico seconds */
-#define LCD_PIXCLOCK_MIN 38000 /* in pico seconds */
+#define LCD_PIXCLOCK 26000 /* in kHz */
#define ENABLE_VDAC_DEDICATED 0x03
#define ENABLE_VDAC_DEV_GRP 0x20
#define ENABLE_VPLL2_DEDICATED 0x05
#define ENABLE_VPLL2_DEV_GRP 0xE0
+#define TWL_LED_LEDEN 0x00
+#define TWL_PWMA_PWMAON 0x00
+#define TWL_PWMA_PWMAOFF 0x01
+
+static unsigned int bklight_level;
+
static int omap3evm_panel_init(struct lcd_panel *panel,
struct omapfb_device *fbdev)
{
omap_set_gpio_direction(LCD_PANEL_RESB, 0);
omap_set_gpio_direction(LCD_PANEL_QVGA, 0);
- twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x7F, 0);
- twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x7F, 1);
- twl4030_i2c_write_u8(TWL4030_MODULE_PWMB, 0x7F, 0);
- twl4030_i2c_write_u8(TWL4030_MODULE_PWMB, 0x7F, 1);
+ twl4030_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF);
+ bklight_level = 100;
omap_set_gpio_dataout(LCD_PANEL_RESB, 1);
omap_set_gpio_dataout(LCD_PANEL_INI, 1);
return 0;
}
+static int omap3evm_bklight_setlevel(struct lcd_panel *panel,
+ unsigned int level)
+{
+ u8 c;
+ if ((level >= 0) && (level <= 100)) {
+ c = (125 * (100 - level)) / 100 + 2;
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_PWMA_PWMAOFF);
+ bklight_level = level;
+ }
+ return 0;
+}
+
+static unsigned int omap3evm_bklight_getlevel(struct lcd_panel *panel)
+{
+ return bklight_level;
+}
+
+static unsigned int omap3evm_bklight_getmaxlevel(struct lcd_panel *panel)
+{
+ return 100;
+}
+
struct lcd_panel omap3evm_panel = {
.name = "omap3evm",
.config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
.vfp = 2, /* lower_margin */
.vbp = 7, /* upper_margin (8) - 1 */
- .pixel_clock = LCD_PIXCLOCK_MAX,
+ .pixel_clock = LCD_PIXCLOCK,
.init = omap3evm_panel_init,
.cleanup = omap3evm_panel_cleanup,
.enable = omap3evm_panel_enable,
.disable = omap3evm_panel_disable,
.get_caps = omap3evm_panel_get_caps,
+ .set_bklight_level = omap3evm_bklight_setlevel,
+ .get_bklight_level = omap3evm_bklight_getlevel,
+ .get_bklight_max = omap3evm_bklight_getmaxlevel,
};
static int omap3evm_panel_probe(struct platform_device *pdev)