initial commit

sources from http://omapzoom.org

1 files changed, 154 insertions, 0 deletions

diff --git a/edid/cmd/parse_hdmi_edid.c b/edid/cmd/parse_hdmi_edid.c
new file mode 100644
index 0000000..9f84505
--- /dev/null
+++ b/edid/cmd/parse_hdmi_edid.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) Texas Instruments - http://www.ti.com/
+ *
+ * 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 <stdint.h>
+#include <stdbool.h>
+#include <fcntl.h>
+
+#define LOG_TAG "EDID"
+#include <utils/Log.h>
+
+#include <inc/edid_parser.h>
+
+static const char kHdmiEdidPathName[] = "/sys/devices/platform/omapdss/display1/edid";
+
+static void print_s3d_format_info(struct edid_t *edid, const struct hdmi_s3d_format_info_t *info)
+{
+    unsigned int i;
+    if(info == NULL) {
+        return;
+    }
+
+    switch(info->format) {
+        case HDMI_FRAME_PACKING:
+            fprintf(stdout, "--Frame Packing");
+            break;
+        case HDMI_FIELD_ALTERNATIVE:
+            fprintf(stdout, "--Filed Alternative");
+            break;
+        case HDMI_LINE_ALTERNATIVE:
+            fprintf(stdout, "--Line Alternative");
+            break;
+        case HDMI_SIDE_BY_SIDE_FULL:
+            fprintf(stdout, "--Side by Side FULL");
+            break;
+        case HDMI_L_DEPTH:
+            fprintf(stdout, "--L + Depth");
+            break;
+        case HDMI_L_DEPTH_GFX_GFX_DEPTH:
+            fprintf(stdout, "--L + Depth + Graphics + Graphics + Depth");
+            break;
+        case HDMI_TOPBOTTOM:
+            fprintf(stdout, "--Top Bottom");
+            break;
+        case HDMI_SIDE_BY_SIDE_HALF:
+            fprintf(stdout, "--Side by Side HALF");
+            break;
+        default:
+            fprintf(stdout, "--Unkown format");
+            break;
+    }
+    fprintf(stdout, "\n");
+
+    for (i = 0; i < info->num_valid_vic; i++) {
+        const struct svd_t * svd = edid_get_svd_descriptor(edid, info->vic_info[i].vic_pos);
+        fprintf(stdout, "----Mode:%s sub-sampling: ", svd->info.name);
+        switch(info->vic_info[i].subsampling) {
+            case HDMI_SS_HORZANDQUINCUNX:
+                fprintf(stdout, "Horizontal and Quincunx");
+                break;
+            case HDMI_SS_HORIZONTAL:
+                fprintf(stdout, "Horizontal");
+                break;
+            case HDMI_SS_QUINCUNX_ALL:
+                fprintf(stdout, "Quincunx");
+                break;
+            case HDMI_SS_QUINCUNX_OLOR:
+                fprintf(stdout, "Quincunx Odd-Left/Odd-Right");
+                break;
+            case HDMI_SS_QUINCUNX_OLER:
+                fprintf(stdout, "Quincunx Odd-Left/Even-Right");
+                break;
+            case HDMI_SS_QUINCUNX_ELOR:
+                fprintf(stdout, "Quincunx Even-Left/Odd-Right");
+                break;
+            case HDMI_SS_QUINCUNX_ELER:
+                fprintf(stdout, "Quincunx Even-Left/Even-Right");
+                break;
+            case HDMI_SS_VERTICAL:
+                fprintf(stdout, "Vertical");
+                break;
+            case HDMI_SS_NONE:
+                fprintf(stdout, "None");
+                break;
+            default:
+                break;
+        }
+        fprintf(stdout, "\n");
+    }
+
+}
+int main()
+{
+    unsigned int i;
+    struct svd_t *svd_list;
+    unsigned int num_svds;
+
+    int fd = open(kHdmiEdidPathName, O_RDONLY);
+
+    if (!fd) {
+        return 1;
+    }
+
+    uint8_t edid_data[EDID_SIZE];
+    size_t bytes_read = read(fd, edid_data, EDID_SIZE);
+    close(fd);
+
+    if (bytes_read < EDID_SIZE) {
+        fprintf(stderr, "Could not read EDID data\n");
+        return 1;
+    }
+
+    struct edid_t *edid = NULL;
+    if(edid_parser_init(&edid, edid_data)) {
+        fprintf(stderr, "Could not init parser\n");
+        return 1;
+    }
+
+    edid_get_svd_list(edid, &svd_list, &num_svds);
+
+    fprintf(stdout, "EDID Info\n");
+    fprintf(stdout, "[Short Video Descriptors]\n");
+    for (i = 0; i < num_svds; i++) {
+        fprintf(stdout, "----%d: %s [code:%d, native:%d] [xres:%d, yres:%d Hz:%d]\n",
+                i, svd_list[i].info.name, svd_list[i].code, svd_list[i].native,
+                svd_list[i].info.xres, svd_list[i].info.yres, svd_list[i].info.hz);
+    }
+
+    fprintf(stdout, "\n[S3D Optional Formats]\n");
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_FRAME_PACKING));
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_FIELD_ALTERNATIVE));
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_LINE_ALTERNATIVE));
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_SIDE_BY_SIDE_FULL));
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_L_DEPTH));
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_L_DEPTH_GFX_GFX_DEPTH));
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_TOPBOTTOM));
+    print_s3d_format_info(edid, edid_get_s3d_format_info(edid, HDMI_SIDE_BY_SIDE_HALF));
+
+    edid_parser_deinit(edid);
+
+    return 0;
+}