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};
40
41struct dw_mipi_dsi_host_ops {
42	int (*attach)(void *priv_data,
43		      struct mipi_dsi_device *dsi);
44	int (*detach)(void *priv_data,
45		      struct mipi_dsi_device *dsi);
46};
47
48struct dw_mipi_dsi_plat_data {
49	void __iomem *base;
50	unsigned int max_data_lanes;
51
52	enum drm_mode_status (*mode_valid)(void *priv_data,
53					   const struct drm_display_mode *mode);
54
55	const struct dw_mipi_dsi_phy_ops *phy_ops;
56	const struct dw_mipi_dsi_host_ops *host_ops;
57
58	void *priv_data;
59};
60
61struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
62				      const struct dw_mipi_dsi_plat_data
63				      *plat_data);
64void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
65int dw_mipi_dsi_bind(struct dw_mipi_dsi *dsi, struct drm_encoder *encoder);
 
 
 
66void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
67void dw_mipi_dsi_set_slave(struct dw_mipi_dsi *dsi, struct dw_mipi_dsi *slave);
68
69#endif /* __DW_MIPI_DSI__ */

 
 1/*
 2 * Copyright (C) STMicroelectronics SA 2017
 3 *
 4 * Authors: Philippe Cornu <philippe.cornu@st.com>
 5 *          Yannick Fertre <yannick.fertre@st.com>
 6 *
 7 * License terms:  GNU General Public License (GPL), version 2
 8 */
 9
10#ifndef __DW_MIPI_DSI__
11#define __DW_MIPI_DSI__
12
 
 
 
 
 
 
13struct dw_mipi_dsi;
 
 
 
 
 
 
 
 
 
14
15struct dw_mipi_dsi_phy_ops {
16	int (*init)(void *priv_data);
17	int (*get_lane_mbps)(void *priv_data, struct drm_display_mode *mode,
 
 
 
18			     unsigned long mode_flags, u32 lanes, u32 format,
19			     unsigned int *lane_mbps);
 
 
 
 
 
 
 
 
 
20};
21
22struct dw_mipi_dsi_plat_data {
23	void __iomem *base;
24	unsigned int max_data_lanes;
25
26	enum drm_mode_status (*mode_valid)(void *priv_data,
27					   const struct drm_display_mode *mode);
28
29	const struct dw_mipi_dsi_phy_ops *phy_ops;
 
30
31	void *priv_data;
32};
33
34struct dw_mipi_dsi *dw_mipi_dsi_probe(struct platform_device *pdev,
35				      const struct dw_mipi_dsi_plat_data
36				      *plat_data);
37void dw_mipi_dsi_remove(struct dw_mipi_dsi *dsi);
38struct dw_mipi_dsi *dw_mipi_dsi_bind(struct platform_device *pdev,
39				     struct drm_encoder *encoder,
40				     const struct dw_mipi_dsi_plat_data
41				     *plat_data);
42void dw_mipi_dsi_unbind(struct dw_mipi_dsi *dsi);
 
43
44#endif /* __DW_MIPI_DSI__ */