1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) STMicroelectronics SA 2017
 4 *
 5 * Authors: Philippe Cornu <philippe.cornu@st.com>
 6 *          Yannick Fertre <yannick.fertre@st.com>
 7 */
 8
 9#ifndef __DW_MIPI_DSI__
10#define __DW_MIPI_DSI__
11
12#include <linux/types.h>
13
 
 
 
 
14#include <drm/drm_modes.h>
15
16struct drm_display_mode;
17struct drm_encoder;
18struct dw_mipi_dsi;
19struct mipi_dsi_device;
20struct platform_device;
21
22struct dw_mipi_dsi_dphy_timing {
23	u16 data_hs2lp;
24	u16 data_lp2hs;
25	u16 clk_hs2lp;
26	u16 clk_lp2hs;
27};
28
29struct dw_mipi_dsi_phy_ops {
30	int (*init)(void *priv_data);
31	void (*power_on)(void *priv_data);
32	void (*power_off)(void *priv_data);
33	int (*get_lane_mbps)(void *priv_data,
34			     const struct drm_display_mode *mode,
35			     unsigned long mode_flags, u32 lanes, u32 format,
36			     unsigned int *lane_mbps);
37	int (*get_timing)(void *priv_data, unsigned int lane_mbps,
38			  struct dw_mipi_dsi_dphy_timing *timing);
39	int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate);
40};
41
42struct dw_mipi_dsi_host_ops {
43	int (*attach)(void *priv_data,
44		      struct mipi_dsi_device *dsi);
45	int (*detach)(void *priv_data,
46		      struct mipi_dsi_device *dsi);
47};
48
49struct dw_mipi_dsi_plat_data {
50	void __iomem *base;
51	unsigned int max_data_lanes;
52
53	enum drm_mode_status (*mode_valid)(void *priv_data,
54					   const struct drm_display_mode *mode,
55					   unsigned long mode_flags,
56					   u32 lanes, u32 format);
57
 
 
 
 
 
 
 
 
 
 
 
58	const struct dw_mipi_dsi_phy_ops *phy_ops;
59	const struct dw_mipi_dsi_host_ops *host_ops;
60
61	void *priv_data;
62};
63
64struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
65				      const struct dw_mipi_dsi_plat_data
66				      *plat_data);
67void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
68int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
69void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
70void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
 
71
72#endif /* __DW_MIPI_DSI__ */

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) STMicroelectronics SA 2017
 4 *
 5 * Authors: Philippe Cornu <philippe.cornu@st.com>
 6 *          Yannick Fertre <yannick.fertre@st.com>
 7 */
 8
 9#ifndef __DW_MIPI_DSI__
10#define __DW_MIPI_DSI__
11
12#include <linux/types.h>
13
14#include <drm/drm_atomic.h>
15#include <drm/drm_bridge.h>
16#include <drm/drm_connector.h>
17#include <drm/drm_crtc.h>
18#include <drm/drm_modes.h>
19
20struct drm_display_mode;
21struct drm_encoder;
22struct dw_mipi_dsi;
23struct mipi_dsi_device;
24struct platform_device;
25
26struct dw_mipi_dsi_dphy_timing {
27	u16 data_hs2lp;
28	u16 data_lp2hs;
29	u16 clk_hs2lp;
30	u16 clk_lp2hs;
31};
32
33struct dw_mipi_dsi_phy_ops {
34	int (*init)(void *priv_data);
35	void (*power_on)(void *priv_data);
36	void (*power_off)(void *priv_data);
37	int (*get_lane_mbps)(void *priv_data,
38			     const struct drm_display_mode *mode,
39			     unsigned long mode_flags, u32 lanes, u32 format,
40			     unsigned int *lane_mbps);
41	int (*get_timing)(void *priv_data, unsigned int lane_mbps,
42			  struct dw_mipi_dsi_dphy_timing *timing);
43	int (*get_esc_clk_rate)(void *priv_data, unsigned int *esc_clk_rate);
44};
45
46struct dw_mipi_dsi_host_ops {
47	int (*attach)(void *priv_data,
48		      struct mipi_dsi_device *dsi);
49	int (*detach)(void *priv_data,
50		      struct mipi_dsi_device *dsi);
51};
52
53struct dw_mipi_dsi_plat_data {
54	void __iomem *base;
55	unsigned int max_data_lanes;
56
57	enum drm_mode_status (*mode_valid)(void *priv_data,
58					   const struct drm_display_mode *mode,
59					   unsigned long mode_flags,
60					   u32 lanes, u32 format);
61
62	bool (*mode_fixup)(void *priv_data, const struct drm_display_mode *mode,
63			   struct drm_display_mode *adjusted_mode);
64
65	u32 *(*get_input_bus_fmts)(void *priv_data,
66				   struct drm_bridge *bridge,
67				   struct drm_bridge_state *bridge_state,
68				   struct drm_crtc_state *crtc_state,
69				   struct drm_connector_state *conn_state,
70				   u32 output_fmt,
71				   unsigned int *num_input_fmts);
72
73	const struct dw_mipi_dsi_phy_ops *phy_ops;
74	const struct dw_mipi_dsi_host_ops *host_ops;
75
76	void *priv_data;
77};
78
79struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
80				      const struct dw_mipi_dsi_plat_data
81				      *plat_data);
82void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
83int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
84void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
85void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
86struct drm_bridge *dw_mipi_dsi_get_bridge(struct dw_mipi_dsi *dsi);
87
88#endif /* __DW_MIPI_DSI__ */