From 947c78887e791596d4a5ec2d1079f8b1a049628b Mon Sep 17 00:00:00 2001
From: takeshi_hoshina <takeshi_hoshina@mail.toyota.co.jp>
Date: Tue, 27 Oct 2020 11:16:21 +0900
Subject: basesystem 0.1

---
 input_hal/src/input_drm.cpp | 128 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 input_hal/src/input_drm.cpp

(limited to 'input_hal/src/input_drm.cpp')

diff --git a/input_hal/src/input_drm.cpp b/input_hal/src/input_drm.cpp
new file mode 100644
index 00000000..20adf799
--- /dev/null
+++ b/input_hal/src/input_drm.cpp
@@ -0,0 +1,128 @@
+/*
+ * @copyright Copyright (c) 2018-2020 TOYOTA MOTOR CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "input_drm.h"
+
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#if defined(_USE_DRM)
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#endif
+
+#include "input_hal.h"
+#include "input_hal_debug.h"
+
+#define DIR_PATH         "/dev/dri/card0"
+#define DEFAULT_RESOLUTION_HORIZONTAL   1280       /* Horizontal resolution default value */
+#define DEFAULT_RESOLUTION_VERTICAL     800        /* Vertical resolution default value */
+/**
+ * Panel resolution acquisition / GetPanelSpecResolutionInput
+ */
+int GetPanelSpecResolutionInput(int *reso_h, int *reso_v) {
+  if ((NULL == reso_h) || (NULL == reso_v)) {
+    return HAL_INPUT_RET_ERROR;
+  }
+
+#if defined(_USE_DRM)
+  int  fd;
+  drmModeRes *resources = NULL;
+  drmModeConnector *connector = NULL;
+  drmModeEncoder *encoder = NULL;
+  drmModeCrtc *crtc = NULL;
+
+  fd = open(DIR_PATH, O_RDWR);
+  if (fd < 0) {
+    INPUT_ERROR_LOG("DRI Open Error=%s\n", DIR_PATH);
+    goto err_rtn;
+  }
+
+  resources = drmModeGetResources(fd);
+  if (!resources) {
+    INPUT_ERROR_LOG("No resources\n");
+    goto err_rtn;
+  }
+  if (2 > resources->count_connectors) {
+    INPUT_ERROR_LOG("DRI Connect Num Error connectors=%d\n",
+                      resources->count_connectors);
+    goto err_rtn;
+  }
+
+  connector = drmModeGetConnector(fd, resources->connectors[1]);
+  if (!connector) {
+    INPUT_ERROR_LOG("No Connector\n");
+    goto err_rtn;
+  }
+
+  if ((DRM_MODE_CONNECTED == connector->connection) &&(connector->count_modes > 0)) {
+  } else {
+    INPUT_ERROR_LOG("Not found connected connector\n");
+    goto err_rtn;
+  }
+
+  encoder = drmModeGetEncoder(fd, connector->encoder_id);
+  if (!encoder) {
+    INPUT_ERROR_LOG("drmModeGetEncoder null\n");
+    goto err_rtn;
+  }
+
+  crtc = drmModeGetCrtc(fd, encoder->crtc_id);
+  if (!crtc) {
+    INPUT_ERROR_LOG("drmModeGetCrtc null\n");
+    goto err_rtn;
+  }
+
+  *reso_h  = crtc->mode.hdisplay;
+  *reso_v = crtc->mode.vdisplay;
+
+  drmModeFreeCrtc(crtc);
+  drmModeFreeEncoder(encoder);
+  drmModeFreeConnector(connector);
+  drmModeFreeResources(resources);
+  close(fd);
+
+  INPUT_LOG_TRACE("width=%d height=%d\n", *reso_h, *reso_v);
+  return HAL_INPUT_RET_NORMAL;
+
+err_rtn:
+
+  if (encoder) {
+    drmModeFreeEncoder(encoder);
+  }
+  if (connector) {
+    drmModeFreeConnector(connector);
+  }
+  if (resources) {
+    drmModeFreeResources(resources);
+  }
+  if (fd >= 0) {
+    close(fd);
+  }
+
+  INPUT_ERROR_LOG("Use Default Resolution\n");
+  *reso_h =  DEFAULT_RESOLUTION_HORIZONTAL;
+  *reso_v  =  DEFAULT_RESOLUTION_VERTICAL;
+
+  return HAL_INPUT_RET_ERROR;
+#else
+  *reso_h  =  DEFAULT_RESOLUTION_HORIZONTAL;
+  *reso_v  =  DEFAULT_RESOLUTION_VERTICAL;
+
+  return HAL_INPUT_RET_NORMAL;
+#endif
+}
-- 
cgit 1.2.3-korg