LXR linux/include/linux/vexpress.h

   1/*
   2 * This program is free software; you can redistribute it and/or modify
   3 * it under the terms of the GNU General Public License version 2 as
   4 * published by the Free Software Foundation.
   5 *
   6 * This program is distributed in the hope that it will be useful,
   7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 * GNU General Public License for more details.
  10 *
  11 * Copyright (C) 2012 ARM Limited
  12 */
  13
  14#ifndef _LINUX_VEXPRESS_H
  15#define _LINUX_VEXPRESS_H
  16
  17#include <linux/device.h>
  18#include <linux/regmap.h>
  19
  20#define VEXPRESS_SITE_MB                0
  21#define VEXPRESS_SITE_DB1               1
  22#define VEXPRESS_SITE_DB2               2
  23#define VEXPRESS_SITE_MASTER            0xf
  24
  25/* Config infrastructure */
  26
  27void vexpress_config_set_master(u32 site);
  28u32 vexpress_config_get_master(void);
  29
  30void vexpress_config_lock(void *arg);
  31void vexpress_config_unlock(void *arg);
  32
  33int vexpress_config_get_topo(struct device_node *node, u32 *site,
  34                u32 *position, u32 *dcc);
  35
  36/* Config bridge API */
  37
  38struct vexpress_config_bridge_ops {
  39        struct regmap * (*regmap_init)(struct device *dev, void *context);
  40        void (*regmap_exit)(struct regmap *regmap, void *context);
  41};
  42
  43struct device *vexpress_config_bridge_register(struct device *parent,
  44                struct vexpress_config_bridge_ops *ops, void *context);
  45
  46/* Config regmap API */
  47
  48struct regmap *devm_regmap_init_vexpress_config(struct device *dev);
  49
  50/* Platform control */
  51
  52void vexpress_flags_set(u32 data);
  53
  54#endif
  55