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1 | /* |
2 | * Copyright (c) 2015, The Linux Foundation. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 and | |
6 | * only version 2 as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
13 | ||
14 | #ifndef __DSI_CONNECTOR_H__ | |
15 | #define __DSI_CONNECTOR_H__ | |
16 | ||
17 | #include <linux/platform_device.h> | |
18 | ||
19 | #include "drm_crtc.h" | |
20 | #include "drm_mipi_dsi.h" | |
21 | #include "drm_panel.h" | |
22 | ||
23 | #include "msm_drv.h" | |
24 | ||
25 | #define DSI_0 0 | |
26 | #define DSI_1 1 | |
27 | #define DSI_MAX 2 | |
28 | ||
29 | #define DSI_CLOCK_MASTER DSI_0 | |
30 | #define DSI_CLOCK_SLAVE DSI_1 | |
31 | ||
32 | #define DSI_LEFT DSI_0 | |
33 | #define DSI_RIGHT DSI_1 | |
34 | ||
35 | /* According to the current drm framework sequence, take the encoder of | |
36 | * DSI_1 as master encoder | |
37 | */ | |
38 | #define DSI_ENCODER_MASTER DSI_1 | |
39 | #define DSI_ENCODER_SLAVE DSI_0 | |
40 | ||
41 | struct msm_dsi { | |
42 | struct drm_device *dev; | |
43 | struct platform_device *pdev; | |
44 | ||
45 | struct drm_connector *connector; | |
46 | struct drm_bridge *bridge; | |
47 | ||
48 | struct mipi_dsi_host *host; | |
49 | struct msm_dsi_phy *phy; | |
50 | struct drm_panel *panel; | |
51 | unsigned long panel_flags; | |
52 | bool phy_enabled; | |
53 | ||
54 | /* the encoders we are hooked to (outside of dsi block) */ | |
55 | struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM]; | |
56 | ||
57 | int id; | |
58 | }; | |
59 | ||
60 | /* dsi manager */ | |
61 | struct drm_bridge *msm_dsi_manager_bridge_init(u8 id); | |
62 | void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge); | |
63 | struct drm_connector *msm_dsi_manager_connector_init(u8 id); | |
64 | int msm_dsi_manager_phy_enable(int id, | |
65 | const unsigned long bit_rate, const unsigned long esc_rate, | |
66 | u32 *clk_pre, u32 *clk_post); | |
67 | void msm_dsi_manager_phy_disable(int id); | |
68 | int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg); | |
69 | bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 iova, u32 len); | |
70 | int msm_dsi_manager_register(struct msm_dsi *msm_dsi); | |
71 | void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi); | |
72 | ||
73 | /* msm dsi */ | |
74 | struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi); | |
75 | ||
76 | /* dsi host */ | |
77 | int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, | |
78 | const struct mipi_dsi_msg *msg); | |
79 | void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host, | |
80 | const struct mipi_dsi_msg *msg); | |
81 | int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host, | |
82 | const struct mipi_dsi_msg *msg); | |
83 | int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host, | |
84 | const struct mipi_dsi_msg *msg); | |
85 | void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, | |
86 | u32 iova, u32 len); | |
87 | int msm_dsi_host_enable(struct mipi_dsi_host *host); | |
88 | int msm_dsi_host_disable(struct mipi_dsi_host *host); | |
89 | int msm_dsi_host_power_on(struct mipi_dsi_host *host); | |
90 | int msm_dsi_host_power_off(struct mipi_dsi_host *host); | |
91 | int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, | |
92 | struct drm_display_mode *mode); | |
93 | struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host, | |
94 | unsigned long *panel_flags); | |
95 | int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer); | |
96 | void msm_dsi_host_unregister(struct mipi_dsi_host *host); | |
97 | void msm_dsi_host_destroy(struct mipi_dsi_host *host); | |
98 | int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, | |
99 | struct drm_device *dev); | |
100 | int msm_dsi_host_init(struct msm_dsi *msm_dsi); | |
101 | ||
102 | /* dsi phy */ | |
103 | struct msm_dsi_phy; | |
104 | enum msm_dsi_phy_type { | |
105 | MSM_DSI_PHY_UNKNOWN, | |
106 | MSM_DSI_PHY_28NM, | |
107 | MSM_DSI_PHY_MAX | |
108 | }; | |
109 | struct msm_dsi_phy *msm_dsi_phy_init(struct platform_device *pdev, | |
110 | enum msm_dsi_phy_type type, int id); | |
111 | int msm_dsi_phy_enable(struct msm_dsi_phy *phy, bool is_dual_panel, | |
112 | const unsigned long bit_rate, const unsigned long esc_rate); | |
113 | int msm_dsi_phy_disable(struct msm_dsi_phy *phy); | |
114 | void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy, | |
115 | u32 *clk_pre, u32 *clk_post); | |
116 | #endif /* __DSI_CONNECTOR_H__ */ | |
117 |