Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 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, |
Daniel Vetter | 3e33a84 | 2013-08-28 10:38:49 +0200 | [diff] [blame] | 39 | const u8 *data, int len); |
Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 40 | |
| 41 | int dsi_vc_generic_write(struct intel_dsi *intel_dsi, int channel, |
Daniel Vetter | 3e33a84 | 2013-08-28 10:38:49 +0200 | [diff] [blame] | 42 | const u8 *data, int len); |
Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 43 | |
| 44 | int dsi_vc_dcs_read(struct intel_dsi *intel_dsi, int channel, u8 dcs_cmd, |
Daniel Vetter | 3e33a84 | 2013-08-28 10:38:49 +0200 | [diff] [blame] | 45 | u8 *buf, int buflen); |
Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 46 | |
| 47 | int dsi_vc_generic_read(struct intel_dsi *intel_dsi, int channel, |
Daniel Vetter | 3e33a84 | 2013-08-28 10:38:49 +0200 | [diff] [blame] | 48 | u8 *reqdata, int reqlen, u8 *buf, int buflen); |
Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 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, |
Daniel Vetter | 3e33a84 | 2013-08-28 10:38:49 +0200 | [diff] [blame] | 87 | int channel, u8 *buf, int buflen) |
Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 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, |
Daniel Vetter | 3e33a84 | 2013-08-28 10:38:49 +0200 | [diff] [blame] | 94 | int buflen) |
Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 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, |
Daniel Vetter | 3e33a84 | 2013-08-28 10:38:49 +0200 | [diff] [blame] | 101 | u8 *buf, int buflen) |
Jani Nikula | 69c05eb | 2013-08-27 15:12:19 +0300 | [diff] [blame] | 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 */ |