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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
23struct msm_dsi_phy_shared_timings;
24struct msm_dsi_phy_clk_request;
25
26enum 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
34struct 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 */
48struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi,
49 struct drm_encoder *encoder);
50int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge);
51int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
52bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);
53int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
54void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
55void msm_dsi_manager_tpg_enable(void);
56
57/* dsi host */
58struct msm_dsi_host;
59int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
60 const struct mipi_dsi_msg *msg);
61void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
62 const struct mipi_dsi_msg *msg);
63int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
64 const struct mipi_dsi_msg *msg);
65int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
66 const struct mipi_dsi_msg *msg);
67void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
68 u32 dma_base, u32 len);
69int msm_dsi_host_enable(struct mipi_dsi_host *host);
70int msm_dsi_host_disable(struct mipi_dsi_host *host);
71void msm_dsi_host_enable_irq(struct mipi_dsi_host *host);
72void msm_dsi_host_disable_irq(struct mipi_dsi_host *host);
73int 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);
76int msm_dsi_host_power_off(struct mipi_dsi_host *host);
77int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
78 const struct drm_display_mode *mode);
79enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host,
80 const struct drm_display_mode *mode);
81unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host);
82int msm_dsi_host_register(struct mipi_dsi_host *host);
83void msm_dsi_host_unregister(struct mipi_dsi_host *host);
84void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host,
85 struct msm_dsi_phy *src_phy);
86int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
87 struct msm_dsi_phy *src_phy);
88void msm_dsi_host_reset_phy(struct mipi_dsi_host *host);
89void 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);
92void msm_dsi_host_destroy(struct mipi_dsi_host *host);
93int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
94 struct drm_device *dev);
95int msm_dsi_host_init(struct msm_dsi *msm_dsi);
96int msm_dsi_runtime_suspend(struct device *dev);
97int msm_dsi_runtime_resume(struct device *dev);
98int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host);
99int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host);
100int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host);
101int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host);
102void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host);
103void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host);
104unsigned long dsi_byte_clk_get_rate(struct mipi_dsi_host *host, bool is_bonded_dsi,
105 const struct drm_display_mode *mode);
106int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size);
107int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size);
108void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host);
109void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host);
110void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host);
111void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_host);
112int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova);
113int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova);
114int dsi_clk_init_v2(struct msm_dsi_host *msm_host);
115int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host);
116int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
117int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
118void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host);
119void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host);
120struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host);
121bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host);
122
123/* dsi phy */
124struct msm_dsi_phy;
125struct 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
132struct msm_dsi_phy_clk_request {
133 unsigned long bitclk_rate;
134 unsigned long escclk_rate;
135};
136
137void msm_dsi_phy_driver_register(void);
138void msm_dsi_phy_driver_unregister(void);
139int 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);
142void msm_dsi_phy_disable(struct msm_dsi_phy *phy);
143void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
144 enum msm_dsi_phy_usecase uc);
145void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy);
146int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy);
147void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy);
148bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable);
149
150#endif /* __DSI_CONNECTOR_H__ */
151
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
23struct msm_dsi_phy_shared_timings;
24struct msm_dsi_phy_clk_request;
25
26enum 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
34struct msm_dsi {
35 struct drm_device *dev;
36 struct platform_device *pdev;
37
38 /* internal dsi bridge attached to MDP interface */
39 struct drm_bridge *bridge;
40
41 struct mipi_dsi_host *host;
42 struct msm_dsi_phy *phy;
43
44 /*
45 * external_bridge connected to dsi bridge output
46 */
47 struct drm_bridge *external_bridge;
48
49 struct device *phy_dev;
50 bool phy_enabled;
51
52 /* the encoder we are hooked to (outside of dsi block) */
53 struct drm_encoder *encoder;
54
55 int id;
56};
57
58/* dsi manager */
59struct drm_bridge *msm_dsi_manager_bridge_init(u8 id);
60void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge);
61int msm_dsi_manager_ext_bridge_init(u8 id);
62int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
63bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);
64int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
65void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
66void msm_dsi_manager_tpg_enable(void);
67
68/* msm dsi */
69static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi)
70{
71 return msm_dsi->external_bridge;
72}
73
74/* dsi host */
75struct msm_dsi_host;
76int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
77 const struct mipi_dsi_msg *msg);
78void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
79 const struct mipi_dsi_msg *msg);
80int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
81 const struct mipi_dsi_msg *msg);
82int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
83 const struct mipi_dsi_msg *msg);
84void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
85 u32 dma_base, u32 len);
86int msm_dsi_host_enable(struct mipi_dsi_host *host);
87int msm_dsi_host_disable(struct mipi_dsi_host *host);
88void msm_dsi_host_enable_irq(struct mipi_dsi_host *host);
89void msm_dsi_host_disable_irq(struct mipi_dsi_host *host);
90int msm_dsi_host_power_on(struct mipi_dsi_host *host,
91 struct msm_dsi_phy_shared_timings *phy_shared_timings,
92 bool is_bonded_dsi, struct msm_dsi_phy *phy);
93int msm_dsi_host_power_off(struct mipi_dsi_host *host);
94int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
95 const struct drm_display_mode *mode);
96enum drm_mode_status msm_dsi_host_check_dsc(struct mipi_dsi_host *host,
97 const struct drm_display_mode *mode);
98unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host);
99int msm_dsi_host_register(struct mipi_dsi_host *host);
100void msm_dsi_host_unregister(struct mipi_dsi_host *host);
101void msm_dsi_host_set_phy_mode(struct mipi_dsi_host *host,
102 struct msm_dsi_phy *src_phy);
103int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
104 struct msm_dsi_phy *src_phy);
105void msm_dsi_host_reset_phy(struct mipi_dsi_host *host);
106void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host,
107 struct msm_dsi_phy_clk_request *clk_req,
108 bool is_bonded_dsi);
109void msm_dsi_host_destroy(struct mipi_dsi_host *host);
110int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
111 struct drm_device *dev);
112int msm_dsi_host_init(struct msm_dsi *msm_dsi);
113int msm_dsi_runtime_suspend(struct device *dev);
114int msm_dsi_runtime_resume(struct device *dev);
115int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host);
116int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host);
117int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host);
118int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host);
119void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host);
120void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host);
121int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size);
122int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size);
123void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host);
124void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host);
125void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host);
126int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova);
127int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova);
128int dsi_clk_init_v2(struct msm_dsi_host *msm_host);
129int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host);
130int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
131int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
132void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host);
133void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host);
134struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host);
135
136/* dsi phy */
137struct msm_dsi_phy;
138struct msm_dsi_phy_shared_timings {
139 u32 clk_post;
140 u32 clk_pre;
141 bool clk_pre_inc_by_2;
142};
143
144struct msm_dsi_phy_clk_request {
145 unsigned long bitclk_rate;
146 unsigned long escclk_rate;
147};
148
149void msm_dsi_phy_driver_register(void);
150void msm_dsi_phy_driver_unregister(void);
151int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
152 struct msm_dsi_phy_clk_request *clk_req,
153 struct msm_dsi_phy_shared_timings *shared_timings);
154void msm_dsi_phy_disable(struct msm_dsi_phy *phy);
155void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
156 enum msm_dsi_phy_usecase uc);
157void msm_dsi_phy_pll_save_state(struct msm_dsi_phy *phy);
158int msm_dsi_phy_pll_restore_state(struct msm_dsi_phy *phy);
159void msm_dsi_phy_snapshot(struct msm_disp_state *disp_state, struct msm_dsi_phy *phy);
160bool msm_dsi_phy_set_continuous_clock(struct msm_dsi_phy *phy, bool enable);
161
162#endif /* __DSI_CONNECTOR_H__ */
163