include/linux/remoteproc/st_slim_rproc.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * SLIM core rproc driver header
   4  *
   5  * Copyright (C) 2016 STMicroelectronics
   6  *
   7  * Author: Peter Griffin <peter.griffin@linaro.org>
   8  */
   9 #ifndef _ST_REMOTEPROC_SLIM_H
  10 #define _ST_REMOTEPROC_SLIM_H
  11
  12 #define ST_SLIM_MEM_MAX 2
  13 #define ST_SLIM_MAX_CLK 4
  14
  15 enum {
  16         ST_SLIM_DMEM,
  17         ST_SLIM_IMEM,
  18 };
  19
  20 /**
  21  * struct st_slim_mem - slim internal memory structure
  22  * @cpu_addr: MPU virtual address of the memory region
  23  * @bus_addr: Bus address used to access the memory region
  24  * @size: Size of the memory region
  25  */
  26 struct st_slim_mem {
  27         void __iomem *cpu_addr;
  28         phys_addr_t bus_addr;
  29         size_t size;
  30 };
  31
  32 /**
  33  * struct st_slim_rproc - SLIM slim core
  34  * @rproc: rproc handle
  35  * @mem: slim memory information
  36  * @slimcore: slim slimcore regs
  37  * @peri: slim peripheral regs
  38  * @clks: slim clocks
  39  */
  40 struct st_slim_rproc {
  41         struct rproc *rproc;
  42         struct st_slim_mem mem[ST_SLIM_MEM_MAX];
  43         void __iomem *slimcore;
  44         void __iomem *peri;
  45
  46         /* st_slim_rproc private */
  47         struct clk *clks[ST_SLIM_MAX_CLK];
  48 };
  49
  50 struct st_slim_rproc *st_slim_rproc_alloc(struct platform_device *pdev,
  51                                         char *fw_name);
  52 void st_slim_rproc_put(struct st_slim_rproc *slim_rproc);
  53
  54 #endif