xref: /linux/drivers/gpu/drm/msm/dp/dp_ctrl.h (revision 90d32e92011eaae8e70a9169b4e7acf4ca8f9d3a)
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_ */
45