drivers/gpu/drm/msm/dp/dp_ctrl.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
   4  */
   5
   6 #ifndef _DP_CTRL_H_
   7 #define _DP_CTRL_H_
   8
   9 #include "dp_aux.h"
  10 #include "dp_panel.h"
  11 #include "dp_link.h"
  12 #include "dp_catalog.h"
  13
  14 struct dp_ctrl {
  15         bool wide_bus_en;
  16 };
  17
  18 struct phy;
  19
  20 int dp_ctrl_on_link(struct dp_ctrl *dp_ctrl);
  21 int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train);
  22 void dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl);
  23 void dp_ctrl_off_link(struct dp_ctrl *dp_ctrl);
  24 void dp_ctrl_off(struct dp_ctrl *dp_ctrl);
  25 void dp_ctrl_push_idle(struct dp_ctrl *dp_ctrl);
  26 irqreturn_t dp_ctrl_isr(struct dp_ctrl *dp_ctrl);
  27 void dp_ctrl_handle_sink_request(struct dp_ctrl *dp_ctrl);
  28 struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link,
  29                         struct dp_panel *panel, struct drm_dp_aux *aux,
  30                         struct dp_catalog *catalog,
  31                         struct phy *phy);
  32
  33 void dp_ctrl_reset_irq_ctrl(struct dp_ctrl *dp_ctrl, bool enable);
  34 void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl);
  35 void dp_ctrl_phy_exit(struct dp_ctrl *dp_ctrl);
  36 void dp_ctrl_irq_phy_exit(struct dp_ctrl *dp_ctrl);
  37
  38 void dp_ctrl_set_psr(struct dp_ctrl *dp_ctrl, bool enable);
  39 void dp_ctrl_config_psr(struct dp_ctrl *dp_ctrl);
  40
  41 int dp_ctrl_core_clk_enable(struct dp_ctrl *dp_ctrl);
  42 void dp_ctrl_core_clk_disable(struct dp_ctrl *dp_ctrl);
  43
  44 #endif /* _DP_CTRL_H_ */