#define IMPD1_OSC1 0x00
#define IMPD1_OSC2 0x04
#define IMPD1_LOCK 0x08
#define IMPD1_LEDS 0x0c
#define IMPD1_INT 0x10
#define IMPD1_SW 0x14
#define IMPD1_CTRL 0x18
#define IMPD1_CTRL_DISP_LCD (0 << 0)
#define IMPD1_CTRL_DISP_VGA (1 << 0)
#define IMPD1_CTRL_DISP_LCD1 (2 << 0)
#define IMPD1_CTRL_DISP_ENABLE (1 << 2)
#define IMPD1_CTRL_DISP_MASK (7 << 0)
struct device;
void impd1_tweak_control(struct device *dev, u32 mask, u32 val);