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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 | * Author: Jani Nikula <jani.nikula@intel.com> | |
24 | */ | |
25 | ||
26 | #ifndef _INTEL_DSI_DSI_H | |
27 | #define _INTEL_DSI_DSI_H | |
28 | ||
29 | #include <drm/drmP.h> | |
30 | #include <drm/drm_crtc.h> | |
31 | #include <video/mipi_display.h> | |
32 | #include "i915_drv.h" | |
33 | #include "intel_drv.h" | |
34 | #include "intel_dsi.h" | |
35 | ||
36 | void dsi_hs_mode_enable(struct intel_dsi *intel_dsi, bool enable); | |
37 | ||
38 | int dsi_vc_dcs_write(struct intel_dsi *intel_dsi, int channel, | |
3e33a840 | 39 | const u8 *data, int len); |
69c05eb2 JN |
40 | |
41 | int dsi_vc_generic_write(struct intel_dsi *intel_dsi, int channel, | |
3e33a840 | 42 | const u8 *data, int len); |
69c05eb2 JN |
43 | |
44 | int dsi_vc_dcs_read(struct intel_dsi *intel_dsi, int channel, u8 dcs_cmd, | |
3e33a840 | 45 | u8 *buf, int buflen); |
69c05eb2 JN |
46 | |
47 | int dsi_vc_generic_read(struct intel_dsi *intel_dsi, int channel, | |
3e33a840 | 48 | u8 *reqdata, int reqlen, u8 *buf, int buflen); |
69c05eb2 JN |
49 | |
50 | int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd); | |
51 | ||
52 | /* XXX: questionable write helpers */ | |
53 | static inline int dsi_vc_dcs_write_0(struct intel_dsi *intel_dsi, | |
54 | int channel, u8 dcs_cmd) | |
55 | { | |
56 | return dsi_vc_dcs_write(intel_dsi, channel, &dcs_cmd, 1); | |
57 | } | |
58 | ||
59 | static inline int dsi_vc_dcs_write_1(struct intel_dsi *intel_dsi, | |
60 | int channel, u8 dcs_cmd, u8 param) | |
61 | { | |
62 | u8 buf[2] = { dcs_cmd, param }; | |
63 | return dsi_vc_dcs_write(intel_dsi, channel, buf, 2); | |
64 | } | |
65 | ||
66 | static inline int dsi_vc_generic_write_0(struct intel_dsi *intel_dsi, | |
67 | int channel) | |
68 | { | |
69 | return dsi_vc_generic_write(intel_dsi, channel, NULL, 0); | |
70 | } | |
71 | ||
72 | static inline int dsi_vc_generic_write_1(struct intel_dsi *intel_dsi, | |
73 | int channel, u8 param) | |
74 | { | |
75 | return dsi_vc_generic_write(intel_dsi, channel, ¶m, 1); | |
76 | } | |
77 | ||
78 | static inline int dsi_vc_generic_write_2(struct intel_dsi *intel_dsi, | |
79 | int channel, u8 param1, u8 param2) | |
80 | { | |
81 | u8 buf[2] = { param1, param2 }; | |
82 | return dsi_vc_generic_write(intel_dsi, channel, buf, 2); | |
83 | } | |
84 | ||
85 | /* XXX: questionable read helpers */ | |
86 | static inline int dsi_vc_generic_read_0(struct intel_dsi *intel_dsi, | |
3e33a840 | 87 | int channel, u8 *buf, int buflen) |
69c05eb2 JN |
88 | { |
89 | return dsi_vc_generic_read(intel_dsi, channel, NULL, 0, buf, buflen); | |
90 | } | |
91 | ||
92 | static inline int dsi_vc_generic_read_1(struct intel_dsi *intel_dsi, | |
93 | int channel, u8 param, u8 *buf, | |
3e33a840 | 94 | int buflen) |
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95 | { |
96 | return dsi_vc_generic_read(intel_dsi, channel, ¶m, 1, buf, buflen); | |
97 | } | |
98 | ||
99 | static inline int dsi_vc_generic_read_2(struct intel_dsi *intel_dsi, | |
100 | int channel, u8 param1, u8 param2, | |
3e33a840 | 101 | u8 *buf, int buflen) |
69c05eb2 JN |
102 | { |
103 | u8 req[2] = { param1, param2 }; | |
104 | ||
105 | return dsi_vc_generic_read(intel_dsi, channel, req, 2, buf, buflen); | |
106 | } | |
107 | ||
108 | ||
109 | #endif /* _INTEL_DSI_DSI_H */ |