/****************************************************************************//* *  linux/include/asm-arm/arch-l7200/pmpcon.h * *   Registers and  helper functions for the L7200 Link-Up Systems *   DC/DC converter register. * *   (C) Copyright 2000, S A McConnell  (samcconn@cotw.com) * *  This file is subject to the terms and conditions of the GNU General Public *  License. See the file COPYING in the main directory of this archive for *  more details. *//****************************************************************************/#define PMPCON_OFF 0x00006000  /* Offset from IO_START_2. *//* IO_START_2 and IO_BASE_2 are defined in hardware.h */#define PMPCON_START (IO_START_2 + PMPCON_OFF)  /* Physical address of reg. */#define PMPCON_BASE  (IO_BASE_2  + PMPCON_OFF)  /* Virtual address of reg. */#define PMPCON (*(volatile unsigned int *)(PMPCON_BASE))#define PWM2_50CYCLE 0x800#define CONTRAST     0x9#define PWM1H (CONTRAST)#define PWM1L (CONTRAST << 4)#define PMPCON_VALUE  (PWM2_50CYCLE | PWM1L | PWM1H) 	/* PMPCON = 0x811;   // too light and fuzzy * PMPCON = 0x844;    * PMPCON = 0x866;   // better color poor depth * PMPCON = 0x888;   // Darker but better depth  * PMPCON = 0x899;   // Darker even better depth * PMPCON = 0x8aa;   // too dark even better depth * PMPCON = 0X8cc;   // Way too dark *//* As CONTRAST value increases the greater the depth perception and * the darker the colors. */