1 /* 2 * Copyright 2014 NVIDIA 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 DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifdef HAVE_CONFIG_H 25 #include "config.h" 26 #endif 27 28 #include <errno.h> 29 #include <string.h> 30 31 #include "libkms-test.h" 32 33 static void kms_screen_probe(struct kms_screen *screen) 34 { 35 struct kms_device *device = screen->device; 36 drmModeConnector *con; 37 38 con = drmModeGetConnector(device->fd, screen->id); 39 if (!con) 40 return; 41 42 screen->type = con->connector_type; 43 44 if (con->connection == DRM_MODE_CONNECTED) 45 screen->connected = true; 46 else 47 screen->connected = false; 48 49 memcpy(&screen->mode, &con->modes[0], sizeof(drmModeModeInfo)); 50 screen->width = screen->mode.hdisplay; 51 screen->height = screen->mode.vdisplay; 52 53 drmModeFreeConnector(con); 54 } 55 56 struct kms_screen *kms_screen_create(struct kms_device *device, uint32_t id) 57 { 58 struct kms_screen *screen; 59 60 screen = calloc(1, sizeof(*screen)); 61 if (!screen) 62 return NULL; 63 64 screen->device = device; 65 screen->id = id; 66 67 kms_screen_probe(screen); 68 69 return screen; 70 } 71 72 void kms_screen_free(struct kms_screen *screen) 73 { 74 if (screen) 75 free(screen->name); 76 77 free(screen); 78 } 79 80 int kms_screen_set(struct kms_screen *screen, struct kms_crtc *crtc, 81 struct kms_framebuffer *fb) 82 { 83 struct kms_device *device = screen->device; 84 int err; 85 86 err = drmModeSetCrtc(device->fd, crtc->id, fb->id, 0, 0, &screen->id, 87 1, &screen->mode); 88 if (err < 0) 89 return -errno; 90 91 return 0; 92 } 93
