xref: /linux/drivers/gpu/drm/msm/dp/dp_ctrl.h (revision 6d9b262afe0ec1d6e0ef99321ca9d6b921310471)
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_ */
46