dsi.h source code [linux/drivers/gpu/drm/msm/dsi/dsi.h]

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	const char *te_source;
41
42	struct drm_bridge *next_bridge;
43
44	struct device *phy_dev;
45	bool phy_enabled;
46
47	int id;
48	};
49
50	/ dsi manager /
51	int msm_dsi_manager_connector_init(struct msm_dsi *msm_dsi,
52	struct drm_encoder *encoder);
53	int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
54	bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);
55	int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
56	void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
57	void msm_dsi_manager_tpg_enable(void);
58
59	/ dsi host /
60	struct msm_dsi_host;
61	int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
62	const struct mipi_dsi_msg *msg);
63	void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
64	const struct mipi_dsi_msg *msg);
65	int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
66	const struct mipi_dsi_msg *msg);
67	int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
68	const struct mipi_dsi_msg *msg);
69	void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
70	u32 dma_base, u32 len);
71	int msm_dsi_host_enable(struct mipi_dsi_host *host);
72	int msm_dsi_host_disable(struct mipi_dsi_host *host);
73	void msm_dsi_host_enable_irq(struct mipi_dsi_host *host);
74	void msm_dsi_host_disable_irq(struct mipi_dsi_host *host);
75	int msm_dsi_host_power_on(struct mipi_dsi_host *host,
76	struct msm_dsi_phy_shared_timings *phy_shared_timings,
77	bool is_bonded_dsi, struct msm_dsi_phy *phy);
78	int msm_dsi_host_power_off(struct mipi_dsi_host *host);
79	int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
80	const struct drm_display_mode *mode);
81	enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host,
82	const struct drm_display_mode *mode);
83	unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host);
84	int msm_dsi_host_register(struct mipi_dsi_host *host);
85	void msm_dsi_host_unregister(struct mipi_dsi_host *host);
86	void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host,
87	struct msm_dsi_phy *src_phy);
88	int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
89	struct msm_dsi_phy *src_phy);
90	void msm_dsi_host_reset_phy(struct mipi_dsi_host *host);
91	void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host,
92	struct msm_dsi_phy_clk_request *clk_req,
93	bool is_bonded_dsi);
94	void msm_dsi_host_destroy(struct mipi_dsi_host *host);
95	int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
96	struct drm_device *dev);
97	int msm_dsi_host_init(struct msm_dsi *msm_dsi);
98	int msm_dsi_runtime_suspend(struct device *dev);
99	int msm_dsi_runtime_resume(struct device *dev);
100	int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host);
101	int dsi_link_clk_set_rate_6g_v2_9(struct msm_dsi_host *msm_host);
102	int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host);
103	int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host);
104	int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host);
105	void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host);
106	void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host);
107	unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi,
108	const struct drm_display_mode *mode);
109	int dsi_tx_buf_alloc_6g(struct msm_dsi_host msm_host, int* size);
110	int dsi_tx_buf_alloc_v2(struct msm_dsi_host msm_host, int* size);
111	void dsi_tx_buf_get_6g(struct* msm_dsi_host *msm_host);
112	void dsi_tx_buf_get_v2(struct* msm_dsi_host *msm_host);
113	void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host);
114	void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_host);
115	int dsi_dma_base_get_6g(struct msm_dsi_host msm_host, uint64_t iova);
116	int dsi_dma_base_get_v2(struct msm_dsi_host msm_host, uint64_t iova);
117	int dsi_clk_init_v2(struct msm_dsi_host *msm_host);
118	int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host);
119	int dsi_clk_init_6g_v2_9(struct msm_dsi_host *msm_host);
120	int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
121	int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
122	void msm_dsi_host_snapshot(struct msm_disp_state disp_state, struct* mipi_dsi_host *host);
123	void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host);
124	struct drm_dsc_config msm_dsi_host_get_dsc_config(struct* mipi_dsi_host *host);
125	bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host);
126
127	/ dsi phy /
128	struct msm_dsi_phy;
129	struct msm_dsi_phy_shared_timings {
130	u32 clk_post;
131	u32 clk_pre;
132	bool clk_pre_inc_by_2;
133	bool byte_intf_clk_div_2;
134	};
135
136	struct msm_dsi_phy_clk_request {
137	unsigned long bitclk_rate;
138	unsigned long escclk_rate;
139	};
140
141	void msm_dsi_phy_driver_register(void);
142	void msm_dsi_phy_driver_unregister(void);
143	int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
144	struct msm_dsi_phy_clk_request *clk_req,
145	struct msm_dsi_phy_shared_timings *shared_timings);
146	void msm_dsi_phy_disable(struct msm_dsi_phy *phy);
147	void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
148	enum msm_dsi_phy_usecase uc);
149	void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy);
150	int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy);
151	void msm_dsi_phy_snapshot(struct msm_disp_state disp_state, struct* msm_dsi_phy *phy);
152	bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable);
153
154	#endif /* __DSI_CONNECTOR_H__ */
155
156

source code of linux/drivers/gpu/drm/msm/dsi/dsi.h