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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#include <drm/drm_panel.h>
16
17#include "msm_drv.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_type {
27 MSM_DSI_PHY_28NM_HPM,
28 MSM_DSI_PHY_28NM_LP,
29 MSM_DSI_PHY_20NM,
30 MSM_DSI_PHY_28NM_8960,
31 MSM_DSI_PHY_14NM,
32 MSM_DSI_PHY_10NM,
33 MSM_DSI_PHY_MAX
34};
35
36enum msm_dsi_phy_usecase {
37 MSM_DSI_PHY_STANDALONE,
38 MSM_DSI_PHY_MASTER,
39 MSM_DSI_PHY_SLAVE,
40};
41
42#define DSI_DEV_REGULATOR_MAX 8
43#define DSI_BUS_CLK_MAX 4
44
45/* Regulators for DSI devices */
46struct dsi_reg_entry {
47 char name[32];
48 int enable_load;
49 int disable_load;
50};
51
52struct dsi_reg_config {
53 int num;
54 struct dsi_reg_entry regs[DSI_DEV_REGULATOR_MAX];
55};
56
57struct msm_dsi {
58 struct drm_device *dev;
59 struct platform_device *pdev;
60
61 /* connector managed by us when we're connected to a drm_panel */
62 struct drm_connector *connector;
63 /* internal dsi bridge attached to MDP interface */
64 struct drm_bridge *bridge;
65
66 struct mipi_dsi_host *host;
67 struct msm_dsi_phy *phy;
68
69 /*
70 * panel/external_bridge connected to dsi bridge output, only one of the
71 * two can be valid at a time
72 */
73 struct drm_panel *panel;
74 struct drm_bridge *external_bridge;
75
76 struct device *phy_dev;
77 bool phy_enabled;
78
79 /* the encoder we are hooked to (outside of dsi block) */
80 struct drm_encoder *encoder;
81
82 int id;
83};
84
85/* dsi manager */
86struct drm_bridge *msm_dsi_manager_bridge_init(u8 id);
87void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge);
88struct drm_connector *msm_dsi_manager_connector_init(u8 id);
89struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id);
90int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
91bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);
92void msm_dsi_manager_setup_encoder(int id);
93int msm_dsi_manager_register(struct msm_dsi *msm_dsi);
94void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
95bool msm_dsi_manager_validate_current_config(u8 id);
96
97/* msm dsi */
98static inline bool msm_dsi_device_connected(struct msm_dsi *msm_dsi)
99{
100 return msm_dsi->panel || msm_dsi->external_bridge;
101}
102
103struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi);
104
105/* dsi pll */
106struct msm_dsi_pll;
107#ifdef CONFIG_DRM_MSM_DSI_PLL
108struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
109 enum msm_dsi_phy_type type, int dsi_id);
110void msm_dsi_pll_destroy(struct msm_dsi_pll *pll);
111int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
112 struct clk **byte_clk_provider, struct clk **pixel_clk_provider);
113void msm_dsi_pll_save_state(struct msm_dsi_pll *pll);
114int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll);
115int msm_dsi_pll_set_usecase(struct msm_dsi_pll *pll,
116 enum msm_dsi_phy_usecase uc);
117#else
118static inline struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
119 enum msm_dsi_phy_type type, int id) {
120 return ERR_PTR(-ENODEV);
121}
122static inline void msm_dsi_pll_destroy(struct msm_dsi_pll *pll)
123{
124}
125static inline int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
126 struct clk **byte_clk_provider, struct clk **pixel_clk_provider)
127{
128 return -ENODEV;
129}
130static inline void msm_dsi_pll_save_state(struct msm_dsi_pll *pll)
131{
132}
133static inline int msm_dsi_pll_restore_state(struct msm_dsi_pll *pll)
134{
135 return 0;
136}
137static inline int msm_dsi_pll_set_usecase(struct msm_dsi_pll *pll,
138 enum msm_dsi_phy_usecase uc)
139{
140 return -ENODEV;
141}
142#endif
143
144/* dsi host */
145struct msm_dsi_host;
146int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
147 const struct mipi_dsi_msg *msg);
148void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,
149 const struct mipi_dsi_msg *msg);
150int msm_dsi_host_cmd_tx(struct mipi_dsi_host *host,
151 const struct mipi_dsi_msg *msg);
152int msm_dsi_host_cmd_rx(struct mipi_dsi_host *host,
153 const struct mipi_dsi_msg *msg);
154void msm_dsi_host_cmd_xfer_commit(struct mipi_dsi_host *host,
155 u32 dma_base, u32 len);
156int msm_dsi_host_enable(struct mipi_dsi_host *host);
157int msm_dsi_host_disable(struct mipi_dsi_host *host);
158int msm_dsi_host_power_on(struct mipi_dsi_host *host,
159 struct msm_dsi_phy_shared_timings *phy_shared_timings,
160 bool is_dual_dsi);
161int msm_dsi_host_power_off(struct mipi_dsi_host *host);
162int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host,
163 const struct drm_display_mode *mode);
164struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host);
165unsigned long msm_dsi_host_get_mode_flags(struct mipi_dsi_host *host);
166struct drm_bridge *msm_dsi_host_get_bridge(struct mipi_dsi_host *host);
167int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer);
168void msm_dsi_host_unregister(struct mipi_dsi_host *host);
169int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
170 struct msm_dsi_pll *src_pll);
171void msm_dsi_host_reset_phy(struct mipi_dsi_host *host);
172void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host,
173 struct msm_dsi_phy_clk_request *clk_req,
174 bool is_dual_dsi);
175void msm_dsi_host_destroy(struct mipi_dsi_host *host);
176int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
177 struct drm_device *dev);
178int msm_dsi_host_init(struct msm_dsi *msm_dsi);
179int msm_dsi_runtime_suspend(struct device *dev);
180int msm_dsi_runtime_resume(struct device *dev);
181int dsi_link_clk_set_rate_6g(struct msm_dsi_host *msm_host);
182int dsi_link_clk_set_rate_v2(struct msm_dsi_host *msm_host);
183int dsi_link_clk_enable_6g(struct msm_dsi_host *msm_host);
184int dsi_link_clk_enable_v2(struct msm_dsi_host *msm_host);
185void dsi_link_clk_disable_6g(struct msm_dsi_host *msm_host);
186void dsi_link_clk_disable_v2(struct msm_dsi_host *msm_host);
187int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size);
188int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size);
189void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host);
190void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host);
191void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host);
192int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova);
193int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova);
194int dsi_clk_init_v2(struct msm_dsi_host *msm_host);
195int dsi_clk_init_6g_v2(struct msm_dsi_host *msm_host);
196int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_dual_dsi);
197int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_dual_dsi);
198
199/* dsi phy */
200struct msm_dsi_phy;
201struct msm_dsi_phy_shared_timings {
202 u32 clk_post;
203 u32 clk_pre;
204 bool clk_pre_inc_by_2;
205};
206
207struct msm_dsi_phy_clk_request {
208 unsigned long bitclk_rate;
209 unsigned long escclk_rate;
210};
211
212void msm_dsi_phy_driver_register(void);
213void msm_dsi_phy_driver_unregister(void);
214int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
215 struct msm_dsi_phy_clk_request *clk_req);
216void msm_dsi_phy_disable(struct msm_dsi_phy *phy);
217void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy,
218 struct msm_dsi_phy_shared_timings *shared_timing);
219struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy);
220void msm_dsi_phy_set_usecase(struct msm_dsi_phy *phy,
221 enum msm_dsi_phy_usecase uc);
222
223#endif /* __DSI_CONNECTOR_H__ */
224