1 /* 2 * Copyright (C) 2020 Rockchip Electronics Co., Ltd. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL), available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 #ifndef _RKDRM_DISPLAY_H_ 33 #define _RKDRM_DISPLAY_H_ 34 35 #include <assert.h> 36 #include <errno.h> 37 #include <getopt.h> 38 #include <inttypes.h> 39 #include <math.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 44 #include <drm_fourcc.h> 45 #include <sys/mman.h> 46 #include <xf86drm.h> 47 #include <xf86drmMode.h> 48 49 struct drm_buf { 50 int fb_id; 51 uint32_t handle; 52 uint32_t size; 53 uint32_t pitch; 54 char *map; 55 int dmabuf_fd; 56 }; 57 58 struct plane_prop { 59 int crtc_id; 60 int fb_id; 61 62 int src_x; 63 int src_y; 64 int src_w; 65 int src_h; 66 67 int crtc_x; 68 int crtc_y; 69 int crtc_w; 70 int crtc_h; 71 72 int zpos; 73 }; 74 75 struct drm_dev_plane { 76 drmModePlanePtr p; 77 int zpos_max; 78 struct plane_prop plane_prop; 79 }; 80 81 struct drm_dev { 82 int drm_fd; 83 int crtc_index; 84 drmModeCrtcPtr crtc; 85 drmModeConnectorPtr connector; 86 drmModePropertyPtr dpms_prop; 87 88 struct drm_dev_plane plane_primary; 89 struct drm_dev_plane plane_overlay; 90 }; 91 92 int drmGetBuffer(int fd, int width, int height, int format, 93 struct drm_buf *buffer); 94 int drmPutBuffer(int fd, struct drm_buf *buffer); 95 int drmInit(struct drm_dev *dev); 96 int drmDeinit(struct drm_dev *dev); 97 int drmCommit(struct drm_buf *buffer, int width, int height, int x_off, 98 int y_off, struct drm_dev *dev, int plane_type); 99 int drmSetDpmsMode(uint32_t dpms_mode, struct drm_dev *dev); 100 101 #endif 102