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f5e11b06 JN |
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> | |
7e9804fd | 29 | #include <drm/drm_mipi_dsi.h> |
f5e11b06 JN |
30 | #include "intel_drv.h" |
31 | ||
a9da9bce GS |
32 | /* Dual Link support */ |
33 | #define DSI_DUAL_LINK_NONE 0 | |
34 | #define DSI_DUAL_LINK_FRONT_BACK 1 | |
35 | #define DSI_DUAL_LINK_PIXEL_ALT 2 | |
36 | ||
7e9804fd JN |
37 | struct intel_dsi_host; |
38 | ||
f5e11b06 JN |
39 | struct intel_dsi { |
40 | struct intel_encoder base; | |
41 | ||
593e0622 | 42 | struct drm_panel *panel; |
7e9804fd | 43 | struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS]; |
f5e11b06 | 44 | |
fc45e821 SK |
45 | /* GPIO Desc for CRC based Panel control */ |
46 | struct gpio_desc *gpio_panel; | |
47 | ||
f5e11b06 JN |
48 | struct intel_connector *attached_connector; |
49 | ||
17af40a8 JN |
50 | /* bit mask of ports being driven */ |
51 | u16 ports; | |
52 | ||
f5e11b06 JN |
53 | /* if true, use HS mode, otherwise LP */ |
54 | bool hs; | |
55 | ||
56 | /* virtual channel */ | |
57 | int channel; | |
58 | ||
dfba2e2d SK |
59 | /* Video mode or command mode */ |
60 | u16 operation_mode; | |
61 | ||
f5e11b06 JN |
62 | /* number of DSI lanes */ |
63 | unsigned int lane_count; | |
64 | ||
65 | /* video mode pixel format for MIPI_DSI_FUNC_PRG register */ | |
66 | u32 pixel_format; | |
67 | ||
68 | /* video mode format for MIPI_VIDEO_MODE_FORMAT register */ | |
69 | u32 video_mode_format; | |
70 | ||
71 | /* eot for MIPI_EOT_DISABLE register */ | |
f1c79f16 SK |
72 | u8 eotp_pkt; |
73 | u8 clock_stop; | |
f6da2842 | 74 | |
f1c79f16 | 75 | u8 escape_clk_div; |
369602d3 | 76 | u8 dual_link; |
a9da9bce | 77 | u8 pixel_overlap; |
f6da2842 SK |
78 | u32 port_bits; |
79 | u32 bw_timer; | |
80 | u32 dphy_reg; | |
81 | u32 video_frmt_cfg_bits; | |
82 | u16 lp_byte_clk; | |
83 | ||
84 | /* timeouts in byte clocks */ | |
85 | u16 lp_rx_timeout; | |
86 | u16 turn_arnd_val; | |
87 | u16 rst_timer_val; | |
88 | u16 hs_to_lp_count; | |
89 | u16 clk_lp_to_hs_count; | |
90 | u16 clk_hs_to_lp_count; | |
cf4dbd2e SK |
91 | |
92 | u16 init_count; | |
7f0c8605 SK |
93 | u32 pclk; |
94 | u16 burst_mode_ratio; | |
df38e655 SK |
95 | |
96 | /* all delays in ms */ | |
97 | u16 backlight_off_delay; | |
98 | u16 backlight_on_delay; | |
99 | u16 panel_on_delay; | |
100 | u16 panel_off_delay; | |
101 | u16 panel_pwr_cycle_delay; | |
f5e11b06 JN |
102 | }; |
103 | ||
7e9804fd JN |
104 | struct intel_dsi_host { |
105 | struct mipi_dsi_host base; | |
106 | struct intel_dsi *intel_dsi; | |
107 | enum port port; | |
108 | ||
109 | /* our little hack */ | |
110 | struct mipi_dsi_device *device; | |
111 | }; | |
112 | ||
113 | static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h) | |
114 | { | |
115 | return container_of(h, struct intel_dsi_host, base); | |
116 | } | |
117 | ||
e7d7cad0 JN |
118 | #define for_each_dsi_port(__port, __ports_mask) \ |
119 | for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \ | |
120 | if ((__ports_mask) & (1 << (__port))) | |
121 | ||
f5e11b06 JN |
122 | static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder) |
123 | { | |
124 | return container_of(encoder, struct intel_dsi, base.base); | |
125 | } | |
126 | ||
cfe01a5e | 127 | extern void intel_enable_dsi_pll(struct intel_encoder *encoder); |
fe88fc68 | 128 | extern void intel_disable_dsi_pll(struct intel_encoder *encoder); |
f573de5a | 129 | extern u32 vlv_get_dsi_pclk(struct intel_encoder *encoder, int pipe_bpp); |
ce0c9821 | 130 | extern u32 bxt_get_dsi_pclk(struct intel_encoder *encoder, int pipe_bpp); |
b389a45c SS |
131 | extern void intel_dsi_reset_clocks(struct intel_encoder *encoder, |
132 | enum port port); | |
be4fc046 | 133 | |
593e0622 | 134 | struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id); |
2ab8b458 | 135 | |
f5e11b06 | 136 | #endif /* _INTEL_DSI_H */ |