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, |
39 | const u8 *data, int len); |
40 | |
41 | int dsi_vc_generic_write(struct intel_dsi *intel_dsi, int channel, |
42 | const u8 *data, int len); |
43 | |
44 | int dsi_vc_dcs_read(struct intel_dsi *intel_dsi, int channel, u8 dcs_cmd, |
45 | u8 *buf, int buflen); |
46 | |
47 | int dsi_vc_generic_read(struct intel_dsi *intel_dsi, int channel, |
48 | u8 *reqdata, int reqlen, u8 *buf, int buflen); |
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, |
87 | int channel, u8 *buf, int buflen) |
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, |
94 | int buflen) |
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, |
101 | u8 *buf, int buflen) |
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 */ |
110 | |