1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2015, The Linux Foundation. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef __DSI_CONNECTOR_H__ |
7 | #define __DSI_CONNECTOR_H__ |
8 | |
9 | #include <linux/of_platform.h> |
10 | #include <linux/platform_device.h> |
11 | |
12 | #include <drm/drm_bridge.h> |
13 | #include <drm/drm_crtc.h> |
14 | #include <drm/drm_mipi_dsi.h> |
15 | |
16 | #include "msm_drv.h" |
17 | #include "disp/msm_disp_snapshot.h" |
18 | |
19 | #define DSI_0 0 |
20 | #define DSI_1 1 |
21 | #define DSI_MAX 2 |
22 | |
23 | struct msm_dsi_phy_shared_timings; |
24 | struct msm_dsi_phy_clk_request; |
25 | |
26 | enum msm_dsi_phy_usecase { |
27 | MSM_DSI_PHY_STANDALONE, |
28 | MSM_DSI_PHY_MASTER, |
29 | MSM_DSI_PHY_SLAVE, |
30 | }; |
31 | |
32 | #define DSI_BUS_CLK_MAX 4 |
33 | |
34 | struct msm_dsi { |
35 | struct drm_device *dev; |
36 | struct platform_device *pdev; |
37 | |
38 | struct mipi_dsi_host *host; |
39 | struct msm_dsi_phy *phy; |
40 | |
41 | struct device *phy_dev; |
42 | bool phy_enabled; |
43 | |
44 | int id; |
45 | }; |
46 | |
47 | /* dsi manager */ |
48 | struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi, |
49 | struct drm_encoder *encoder); |
50 | int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge); |
51 | int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg); |
52 | bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len); |
53 | int msm_dsi_manager_register(struct msm_dsi *msm_dsi); |
54 | void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi); |
55 | void msm_dsi_manager_tpg_enable(void); |
56 | |
57 | /* dsi host */ |
58 | struct msm_dsi_host; |
59 | int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host, |
60 | const struct mipi_dsi_msg *msg); |
61 | void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host, |
62 | const struct mipi_dsi_msg *msg); |
63 | int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host, |
64 | const struct mipi_dsi_msg *msg); |
65 | int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host, |
66 | const struct mipi_dsi_msg *msg); |
67 | void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host, |
68 | u32 dma_base, u32 len); |
69 | int msm_dsi_host_enable(struct mipi_dsi_host *host); |
70 | int msm_dsi_host_disable(struct mipi_dsi_host *host); |
71 | void msm_dsi_host_enable_irq(struct mipi_dsi_host *host); |
72 | void msm_dsi_host_disable_irq(struct mipi_dsi_host *host); |
73 | int msm_dsi_host_power_on(struct mipi_dsi_host *host, |
74 | struct msm_dsi_phy_shared_timings *phy_shared_timings, |
75 | bool is_bonded_dsi, struct msm_dsi_phy *phy); |
76 | int msm_dsi_host_power_off(struct mipi_dsi_host *host); |
77 | int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, |
78 | const struct drm_display_mode *mode); |
79 | enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host, |
80 | const struct drm_display_mode *mode); |
81 | unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host); |
82 | int msm_dsi_host_register(struct mipi_dsi_host *host); |
83 | void msm_dsi_host_unregister(struct mipi_dsi_host *host); |
84 | void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host, |
85 | struct msm_dsi_phy *src_phy); |
86 | int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host, |
87 | struct msm_dsi_phy *src_phy); |
88 | void msm_dsi_host_reset_phy(struct mipi_dsi_host *host); |
89 | void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, |
90 | struct msm_dsi_phy_clk_request *clk_req, |
91 | bool is_bonded_dsi); |
92 | void msm_dsi_host_destroy(struct mipi_dsi_host *host); |
93 | int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, |
94 | struct drm_device *dev); |
95 | int msm_dsi_host_init(struct msm_dsi *msm_dsi); |
96 | int msm_dsi_runtime_suspend(struct device *dev); |
97 | int msm_dsi_runtime_resume(struct device *dev); |
98 | int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host); |
99 | int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host); |
100 | int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host); |
101 | int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host); |
102 | void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host); |
103 | void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host); |
104 | unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi, |
105 | const struct drm_display_mode *mode); |
106 | int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size); |
107 | int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size); |
108 | void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host); |
109 | void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host); |
110 | void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host); |
111 | void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_host); |
112 | int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova); |
113 | int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova); |
114 | int dsi_clk_init_v2(struct msm_dsi_host *msm_host); |
115 | int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host); |
116 | int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi); |
117 | int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi); |
118 | void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host); |
119 | void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host); |
120 | struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host); |
121 | bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host); |
122 | |
123 | /* dsi phy */ |
124 | struct msm_dsi_phy; |
125 | struct msm_dsi_phy_shared_timings { |
126 | u32 clk_post; |
127 | u32 clk_pre; |
128 | bool clk_pre_inc_by_2; |
129 | bool byte_intf_clk_div_2; |
130 | }; |
131 | |
132 | struct msm_dsi_phy_clk_request { |
133 | unsigned long bitclk_rate; |
134 | unsigned long escclk_rate; |
135 | }; |
136 | |
137 | void msm_dsi_phy_driver_register(void); |
138 | void msm_dsi_phy_driver_unregister(void); |
139 | int msm_dsi_phy_enable(struct msm_dsi_phy *phy, |
140 | struct msm_dsi_phy_clk_request *clk_req, |
141 | struct msm_dsi_phy_shared_timings *shared_timings); |
142 | void msm_dsi_phy_disable(struct msm_dsi_phy *phy); |
143 | void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy, |
144 | enum msm_dsi_phy_usecase uc); |
145 | void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy); |
146 | int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy); |
147 | void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy); |
148 | bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable); |
149 | |
150 | #endif /* __DSI_CONNECTOR_H__ */ |
151 | |
152 | |