drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Copyright (c) 2012, 2017-2018, The Linux Foundation. All rights reserved.
   3  */
   4
   5 #ifndef __DPU_IO_UTIL_H__
   6 #define __DPU_IO_UTIL_H__
   7
   8 #include <linux/platform_device.h>
   9 #include <linux/types.h>
  10
  11 #define DEV_DBG(fmt, args...)   pr_debug(fmt, ##args)
  12 #define DEV_INFO(fmt, args...)  pr_info(fmt, ##args)
  13 #define DEV_WARN(fmt, args...)  pr_warn(fmt, ##args)
  14 #define DEV_ERR(fmt, args...)   pr_err(fmt, ##args)
  15
  16 enum dss_clk_type {
  17         DSS_CLK_AHB, /* no set rate. rate controlled through rpm */
  18         DSS_CLK_PCLK,
  19 };
  20
  21 struct dss_clk {
  22         struct clk *clk; /* clk handle */
  23         char clk_name[32];
  24         enum dss_clk_type type;
  25         unsigned long rate;
  26         unsigned long max_rate;
  27 };
  28
  29 struct dss_module_power {
  30         unsigned int num_clk;
  31         struct dss_clk *clk_config;
  32 };
  33
  34 int msm_dss_get_clk(struct device *dev, struct dss_clk *clk_arry, int num_clk);
  35 void msm_dss_put_clk(struct dss_clk *clk_arry, int num_clk);
  36 int msm_dss_clk_set_rate(struct dss_clk *clk_arry, int num_clk);
  37 int msm_dss_enable_clk(struct dss_clk *clk_arry, int num_clk, int enable);
  38 int msm_dss_parse_clock(struct platform_device *pdev,
  39                 struct dss_module_power *mp);
  40 #endif /* __DPU_IO_UTIL_H__ */