tests/util/kms.c

   1 /*
   2  * Copyright 2008 Tungsten Graphics
   3  *   Jakob Bornecrantz <jakob@tungstengraphics.com>
   4  * Copyright 2008 Intel Corporation
   5  *   Jesse Barnes <jesse.barnes@intel.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23  * IN THE SOFTWARE.
  24  */
  25
  26 /*
  27  * This fairly simple test program dumps output in a similar format to the
  28  * "xrandr" tool everyone knows & loves.  It's necessarily slightly different
  29  * since the kernel separates outputs into encoder and connector structures,
  30  * each with their own unique ID.  The program also allows test testing of the
  31  * memory management and mode setting APIs by allowing the user to specify a
  32  * connector and mode to use for mode setting.  If all works as expected, a
  33  * blue background should be painted on the monitor attached to the specified
  34  * connector after the selected mode is set.
  35  *
  36  * TODO: use cairo to write the mode info on the selected output once
  37  *       the mode has been programmed, along with possible test patterns.
  38  */
  39
  40 #include <errno.h>
  41 #include <stdint.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <string.h>
  45
  46 #include "xf86drm.h"
  47 #include "xf86drmMode.h"
  48
  49 #include "common.h"
  50
  51 struct type_name {
  52         unsigned int type;
  53         const char *name;
  54 };
  55
  56 static const char *util_lookup_type_name(unsigned int type,
  57                                          const struct type_name *table,
  58                                          unsigned int count)
  59 {
  60         unsigned int i;
  61
  62         for (i = 0; i < count; i++)
  63                 if (table[i].type == type)
  64                         return table[i].name;
  65
  66         return NULL;
  67 }
  68
  69 static const struct type_name encoder_type_names[] = {
  70         { DRM_MODE_ENCODER_NONE, "none" },
  71         { DRM_MODE_ENCODER_DAC, "DAC" },
  72         { DRM_MODE_ENCODER_TMDS, "TMDS" },
  73         { DRM_MODE_ENCODER_LVDS, "LVDS" },
  74         { DRM_MODE_ENCODER_TVDAC, "TVDAC" },
  75         { DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
  76         { DRM_MODE_ENCODER_DSI, "DSI" },
  77         { DRM_MODE_ENCODER_DPMST, "DPMST" },
  78         { DRM_MODE_ENCODER_DPI, "DPI" },
  79 };
  80
  81 const char *util_lookup_encoder_type_name(unsigned int type)
  82 {
  83         return util_lookup_type_name(type, encoder_type_names,
  84                                      ARRAY_SIZE(encoder_type_names));
  85 }
  86
  87 static const struct type_name connector_status_names[] = {
  88         { DRM_MODE_CONNECTED, "connected" },
  89         { DRM_MODE_DISCONNECTED, "disconnected" },
  90         { DRM_MODE_UNKNOWNCONNECTION, "unknown" },
  91 };
  92
  93 const char *util_lookup_connector_status_name(unsigned int status)
  94 {
  95         return util_lookup_type_name(status, connector_status_names,
  96                                      ARRAY_SIZE(connector_status_names));
  97 }
  98
  99 static const struct type_name connector_type_names[] = {
 100         { DRM_MODE_CONNECTOR_Unknown, "unknown" },
 101         { DRM_MODE_CONNECTOR_VGA, "VGA" },
 102         { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
 103         { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
 104         { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
 105         { DRM_MODE_CONNECTOR_Composite, "composite" },
 106         { DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
 107         { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
 108         { DRM_MODE_CONNECTOR_Component, "component" },
 109         { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
 110         { DRM_MODE_CONNECTOR_DisplayPort, "DP" },
 111         { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
 112         { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
 113         { DRM_MODE_CONNECTOR_TV, "TV" },
 114         { DRM_MODE_CONNECTOR_eDP, "eDP" },
 115         { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" },
 116         { DRM_MODE_CONNECTOR_DSI, "DSI" },
 117         { DRM_MODE_CONNECTOR_DPI, "DPI" },
 118 };
 119
 120 const char *util_lookup_connector_type_name(unsigned int type)
 121 {
 122         return util_lookup_type_name(type, connector_type_names,
 123                                      ARRAY_SIZE(connector_type_names));
 124 }
 125
 126 static const char * const modules[] = {
 127         "i915",
 128         "amdgpu",
 129         "radeon",
 130         "nouveau",
 131         "vmwgfx",
 132         "omapdrm",
 133         "exynos",
 134         "tilcdc",
 135         "msm",
 136         "sti",
 137         "tegra",
 138         "imx-drm",
 139         "rockchip",
 140         "atmel-hlcdc",
 141         "fsl-dcu-drm",
 142         "vc4",
 143         "virtio_gpu",
 144         "mediatek",
 145         "meson",
 146         "pl111",
 147         "stm",
 148         "sun4i-drm",
 149         "armada-drm",
 150         "komeda",
 151         "imx-dcss",
 152         "nexell",
 153 };
 154
 155 int util_open(const char *device, const char *module)
 156 {
 157         int fd;
 158
 159         if (module) {
 160                 fd = drmOpen(module, device);
 161                 if (fd < 0) {
 162                         fprintf(stderr, "failed to open device '%s': %s\n",
 163                                 module, strerror(errno));
 164                         return -errno;
 165                 }
 166         } else {
 167                 unsigned int i;
 168
 169                 for (i = 0; i < ARRAY_SIZE(modules); i++) {
 170                         printf("trying to open device '%s'...", modules[i]);
 171
 172                         fd = drmOpen(modules[i], device);
 173                         if (fd < 0) {
 174                                 printf("failed\n");
 175                         } else {
 176                                 printf("done\n");
 177                                 break;
 178                         }
 179                 }
 180
 181                 if (fd < 0) {
 182                         fprintf(stderr, "no device found\n");
 183                         return -ENODEV;
 184                 }
 185         }
 186
 187         return fd;
 188 }