1 | /* |
2 | * Copyright © 2013 Intel Corporation |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * copy of this software and associated documentation files (the "Software"), |
6 | * to deal in the Software without restriction, including without limitation |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
8 | * and/or sell copies of the Software, and to permit persons to whom the |
9 | * Software is furnished to do so, subject to the following conditions: |
10 | * |
11 | * The above copyright notice and this permission notice (including the next |
12 | * paragraph) shall be included in all copies or substantial portions of the |
13 | * Software. |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
21 | * DEALINGS IN THE SOFTWARE. |
22 | */ |
23 | |
24 | #ifndef _INTEL_DSI_H |
25 | #define _INTEL_DSI_H |
26 | |
27 | #include <drm/drmP.h> |
28 | #include <drm/drm_crtc.h> |
29 | #include "intel_drv.h" |
30 | |
31 | struct intel_dsi_device { |
32 | unsigned int panel_id; |
33 | const char *name; |
34 | int type; |
35 | const struct intel_dsi_dev_ops *dev_ops; |
36 | void *dev_priv; |
37 | }; |
38 | |
39 | struct intel_dsi_dev_ops { |
40 | bool (*init)(struct intel_dsi_device *dsi); |
41 | |
42 | void (*panel_reset)(struct intel_dsi_device *dsi); |
43 | |
44 | void (*disable_panel_power)(struct intel_dsi_device *dsi); |
45 | |
46 | /* one time programmable commands if needed */ |
47 | void (*send_otp_cmds)(struct intel_dsi_device *dsi); |
48 | |
49 | /* This callback must be able to assume DSI commands can be sent */ |
50 | void (*enable)(struct intel_dsi_device *dsi); |
51 | |
52 | /* This callback must be able to assume DSI commands can be sent */ |
53 | void (*disable)(struct intel_dsi_device *dsi); |
54 | |
55 | int (*mode_valid)(struct intel_dsi_device *dsi, |
56 | struct drm_display_mode *mode); |
57 | |
58 | bool (*mode_fixup)(struct intel_dsi_device *dsi, |
59 | const struct drm_display_mode *mode, |
60 | struct drm_display_mode *adjusted_mode); |
61 | |
62 | void (*mode_set)(struct intel_dsi_device *dsi, |
63 | struct drm_display_mode *mode, |
64 | struct drm_display_mode *adjusted_mode); |
65 | |
66 | enum drm_connector_status (*detect)(struct intel_dsi_device *dsi); |
67 | |
68 | bool (*get_hw_state)(struct intel_dsi_device *dev); |
69 | |
70 | struct drm_display_mode *(*get_modes)(struct intel_dsi_device *dsi); |
71 | |
72 | void (*destroy) (struct intel_dsi_device *dsi); |
73 | }; |
74 | |
75 | struct intel_dsi { |
76 | struct intel_encoder base; |
77 | |
78 | struct intel_dsi_device dev; |
79 | |
80 | struct intel_connector *attached_connector; |
81 | |
82 | /* if true, use HS mode, otherwise LP */ |
83 | bool hs; |
84 | |
85 | /* virtual channel */ |
86 | int channel; |
87 | |
88 | /* number of DSI lanes */ |
89 | unsigned int lane_count; |
90 | |
91 | /* video mode pixel format for MIPI_DSI_FUNC_PRG register */ |
92 | u32 pixel_format; |
93 | |
94 | /* video mode format for MIPI_VIDEO_MODE_FORMAT register */ |
95 | u32 video_mode_format; |
96 | |
97 | /* eot for MIPI_EOT_DISABLE register */ |
98 | u32 eot_disable; |
99 | |
100 | u32 port_bits; |
101 | u32 bw_timer; |
102 | u32 dphy_reg; |
103 | u32 video_frmt_cfg_bits; |
104 | u16 lp_byte_clk; |
105 | |
106 | /* timeouts in byte clocks */ |
107 | u16 lp_rx_timeout; |
108 | u16 turn_arnd_val; |
109 | u16 rst_timer_val; |
110 | u16 hs_to_lp_count; |
111 | u16 clk_lp_to_hs_count; |
112 | u16 clk_hs_to_lp_count; |
113 | }; |
114 | |
115 | static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder) |
116 | { |
117 | return container_of(encoder, struct intel_dsi, base.base); |
118 | } |
119 | |
120 | extern void vlv_enable_dsi_pll(struct intel_encoder *encoder); |
121 | extern void vlv_disable_dsi_pll(struct intel_encoder *encoder); |
122 | |
123 | #endif /* _INTEL_DSI_H */ |
124 | |