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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#include <drm/drm_panel.h>
16
17#include "msm_drv.h"
18#include "disp/msm_disp_snapshot.h"
19
20#define DSI_0 0
21#define DSI_1 1
22#define DSI_MAX 2
23
24struct msm_dsi_phy_shared_timings;
25struct msm_dsi_phy_clk_request;
26
27enum msm_dsi_phy_usecase {
28 MSM_DSI_PHY_STANDALONE,
29 MSM_DSI_PHY_MASTER,
30 MSM_DSI_PHY_SLAVE,
31};
32
33#define DSI_DEV_REGULATOR_MAX 8
34#define DSI_BUS_CLK_MAX 4
35
36
37struct dsi_reg_entry {
38 char name[32];
39 int enable_load;
40 int disable_load;
41};
42
43struct dsi_reg_config {
44 int num;
45 struct dsi_reg_entry regs[DSI_DEV_REGULATOR_MAX];
46};
47
48struct msm_dsi {
49 struct drm_device *dev;
50 struct platform_device *pdev;
51
52
53 struct drm_connector *connector;
54
55 struct drm_bridge *bridge;
56
57 struct mipi_dsi_host *host;
58 struct msm_dsi_phy *phy;
59
60
61
62
63
64 struct drm_panel *panel;
65 struct drm_bridge *external_bridge;
66
67 struct device *phy_dev;
68 bool phy_enabled;
69
70
71 struct drm_encoder *encoder;
72
73 int id;
74};
75
76
77struct drm_bridge *msm_dsi_manager_bridge_init(u8 id);
78void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge);
79struct drm_connector *msm_dsi_manager_connector_init(u8 id);
80struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id);
81int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
82bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);
83int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
84void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
85bool msm_dsi_manager_validate_current_config(u8 id);
86void msm_dsi_manager_tpg_enable(void);
87
88
89static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi)
90{
91 return msm_dsi->panel || msm_dsi->external_bridge;
92}
93
94struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi);
95
96
97struct msm_dsi_host;
98int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
99 const struct mipi_dsi_msg *msg);
100void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
101 const struct mipi_dsi_msg *msg);
102int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
103 const struct mipi_dsi_msg *msg);
104int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
105 const struct mipi_dsi_msg *msg);
106void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
107 u32 dma_base, u32 len);
108int msm_dsi_host_enable(struct mipi_dsi_host *host);
109int msm_dsi_host_disable(struct mipi_dsi_host *host);
110int msm_dsi_host_power_on(struct mipi_dsi_host *host,
111 struct msm_dsi_phy_shared_timings *phy_shared_timings,
112 bool is_bonded_dsi, struct msm_dsi_phy *phy);
113int msm_dsi_host_power_off(struct mipi_dsi_host *host);
114int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
115 const struct drm_display_mode *mode);
116struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host);
117unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host);
118struct drm_bridge *msm_dsi_host_get_bridge(struct mipi_dsi_host *host);
119int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer);
120void msm_dsi_host_unregister(struct mipi_dsi_host *host);
121int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
122 struct msm_dsi_phy *src_phy);
123void msm_dsi_host_reset_phy(struct mipi_dsi_host *host);
124void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host,
125 struct msm_dsi_phy_clk_request *clk_req,
126 bool is_bonded_dsi);
127void msm_dsi_host_destroy(struct mipi_dsi_host *host);
128int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
129 struct drm_device *dev);
130int msm_dsi_host_init(struct msm_dsi *msm_dsi);
131int msm_dsi_runtime_suspend(struct device *dev);
132int msm_dsi_runtime_resume(struct device *dev);
133int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host);
134int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host);
135int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host);
136int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host);
137void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host);
138void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host);
139int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size);
140int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size);
141void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host);
142void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host);
143void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host);
144int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova);
145int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova);
146int dsi_clk_init_v2(struct msm_dsi_host *msm_host);
147int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host);
148int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
149int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
150void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host);
151void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host);
152
153
154struct msm_dsi_phy;
155struct msm_dsi_phy_shared_timings {
156 u32 clk_post;
157 u32 clk_pre;
158 bool clk_pre_inc_by_2;
159};
160
161struct msm_dsi_phy_clk_request {
162 unsigned long bitclk_rate;
163 unsigned long escclk_rate;
164};
165
166void msm_dsi_phy_driver_register(void);
167void msm_dsi_phy_driver_unregister(void);
168int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
169 struct msm_dsi_phy_clk_request *clk_req,
170 struct msm_dsi_phy_shared_timings *shared_timings);
171void msm_dsi_phy_disable(struct msm_dsi_phy *phy);
172void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
173 enum msm_dsi_phy_usecase uc);
174int msm_dsi_phy_get_clk_provider(struct msm_dsi_phy *phy,
175 struct clk **byte_clk_provider, struct clk **pixel_clk_provider);
176void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy);
177int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy);
178void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy);
179bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable);
180
181#endif
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