LXR linux/include/linux/remoteproc/st_slim

   1/*
   2 * SLIM core rproc driver header
   3 *
   4 * Copyright (C) 2016 STMicroelectronics
   5 *
   6 * Author: Peter Griffin <peter.griffin@linaro.org>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 */
  13#ifndef _ST_REMOTEPROC_SLIM_H
  14#define _ST_REMOTEPROC_SLIM_H
  15
  16#define ST_SLIM_MEM_MAX 2
  17#define ST_SLIM_MAX_CLK 4
  18
  19enum {
  20        ST_SLIM_DMEM,
  21        ST_SLIM_IMEM,
  22};
  23
  24/**
  25 * struct st_slim_mem - slim internal memory structure
  26 * @cpu_addr: MPU virtual address of the memory region
  27 * @bus_addr: Bus address used to access the memory region
  28 * @size: Size of the memory region
  29 */
  30struct st_slim_mem {
  31        void __iomem *cpu_addr;
  32        phys_addr_t bus_addr;
  33        size_t size;
  34};
  35
  36/**
  37 * struct st_slim_rproc - SLIM slim core
  38 * @rproc: rproc handle
  39 * @mem: slim memory information
  40 * @slimcore: slim slimcore regs
  41 * @peri: slim peripheral regs
  42 * @clks: slim clocks
  43 */
  44struct st_slim_rproc {
  45        struct rproc *rproc;
  46        struct st_slim_mem mem[ST_SLIM_MEM_MAX];
  47        void __iomem *slimcore;
  48        void __iomem *peri;
  49
  50        /* st_slim_rproc private */
  51        struct clk *clks[ST_SLIM_MAX_CLK];
  52};
  53
  54struct st_slim_rproc *st_slim_rproc_alloc(struct platform_device *pdev,
  55                                        char *fw_name);
  56void st_slim_rproc_put(struct st_slim_rproc *slim_rproc);
  57
  58#endif
  59