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         atomic_t aborted;
  16         bool wide_bus_en;
  17 };
  18
  19 struct phy;
  20
  21 int dp_ctrl_on_link(struct dp_ctrl *dp_ctrl);
  22 int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train);
  23 void dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl);
  24 void dp_ctrl_off_link(struct dp_ctrl *dp_ctrl);
  25 void dp_ctrl_off(struct dp_ctrl *dp_ctrl);
  26 void dp_ctrl_push_idle(struct dp_ctrl *dp_ctrl);
  27 irqreturn_t dp_ctrl_isr(struct dp_ctrl *dp_ctrl);
  28 void dp_ctrl_handle_sink_request(struct dp_ctrl *dp_ctrl);
  29 struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link,
  30                         struct dp_panel *panel, struct drm_dp_aux *aux,
  31                         struct dp_catalog *catalog,
  32                         struct phy *phy);
  33
  34 void dp_ctrl_reset_irq_ctrl(struct dp_ctrl *dp_ctrl, bool enable);
  35 void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl);
  36 void dp_ctrl_phy_exit(struct dp_ctrl *dp_ctrl);
  37 void dp_ctrl_irq_phy_exit(struct dp_ctrl *dp_ctrl);
  38
  39 void dp_ctrl_set_psr(struct dp_ctrl *dp_ctrl, bool enable);
  40 void dp_ctrl_config_psr(struct dp_ctrl *dp_ctrl);
  41
  42 int dp_ctrl_core_clk_enable(struct dp_ctrl *dp_ctrl);
  43 void dp_ctrl_core_clk_disable(struct dp_ctrl *dp_ctrl);
  44
  45 #endif /* _DP_CTRL_H_ */