exynos3: libhdmi: initial commit

Change-Id: Iee23cf3b6e746c3a20adf7b90ab930a3cba50d5c
diff --git a/exynos3/s5pc110/libhdmi/fimd.c b/exynos3/s5pc110/libhdmi/fimd.c
new file mode 100644
index 0000000..0486597
--- /dev/null
+++ b/exynos3/s5pc110/libhdmi/fimd.c
@@ -0,0 +1,231 @@
+/*
+* Copyright@ Samsung Electronics Co. LTD
+*
+* 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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+#include <linux/vt.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <poll.h>
+#include <signal.h>
+#include <cutils/log.h>
+
+#include "fimd.h"
+
+int fb_open(int win)
+{
+    char node[20];
+    int fp = -1;
+
+    sprintf(node, "%s%d", PFX_NODE_FB, win);
+
+    fp = open(node, O_RDWR);
+    if (fp < 0)
+        ALOGE("%s: fb[%d] open failed", __func__, win);
+
+    return fp;
+}
+
+int fb_close(int fp)
+{
+    if (fp)
+        close(fp);
+    else
+        ALOGE("%s: fb is not allocated %d", __func__, fp);
+
+    return 0;
+}
+
+int fb_get_fscreeninfo(int fp, struct fb_fix_screeninfo *fix)
+{
+    int ret = -1;
+
+    ret = ioctl(fp, FBIOGET_FSCREENINFO, fix);
+    if (ret)
+        ALOGE("%s: FBIOGET_FSCREENINFO failed", __func__);
+
+    return ret;
+}
+
+int fb_get_vscreeninfo(int fp, struct fb_var_screeninfo *var)
+{
+    int ret = -1;
+
+    ret = ioctl(fp, FBIOGET_VSCREENINFO, var);
+    if (ret)
+        ALOGE("%s:: FBIOGET_VSCREENINFO failed", __func__);
+
+    return ret;
+}
+
+int fb_put_vscreeninfo(int fp, struct fb_var_screeninfo *var)
+{
+    int ret = -1;
+
+    ret = ioctl(fp, FBIOPUT_VSCREENINFO, var);
+    if (ret)
+        ALOGE("%s:: FBIOPUT_VSCREENINFO failed", __func__);
+
+    return ret;
+}
+
+char* fb_mmap(int fp, __u32 size)
+{
+    char *buffer;
+
+    buffer = (char *)mmap(0, size, PROT_READ | PROT_WRITE,
+                  MAP_SHARED, fp, 0);
+    if (!buffer) {
+        ALOGE("%s:: mmap failed", __func__);
+        return NULL;
+    }
+
+    return buffer;
+}
+
+int fb_ioctl(int fp, __u32 cmd, void *arg)
+{
+    int ret = -1;
+
+    ret = ioctl(fp, cmd, arg);
+    if (ret < 0)
+        ALOGE("%s:: ioctl (%d) failed", __func__, cmd);
+
+    return ret;
+}
+
+int fb_on(int fp)
+{
+    int ret = -1;
+
+    ret = ioctl(fp, FBIOBLANK, FB_BLANK_UNBLANK);
+    if (ret)
+        ALOGE("%s:: FBIOBLANK failed", __func__);
+
+    return ret;
+}
+
+int fb_off(int fp)
+{
+    int ret = -1;
+
+    ret = ioctl(fp, FBIOBLANK, FB_BLANK_POWERDOWN);
+    if (ret)
+        ALOGE("%s:: FBIOBLANK failed", __func__);
+
+    return ret;
+}
+
+int fb_off_all()
+{
+    int fp, i;
+
+    for (i = 0; i < TOTAL_FB_NUM; i++) {
+        fp = fb_open(i);
+        if (fp < 0)
+            return -1;
+
+        if (ioctl(fp, FBIOBLANK, FB_BLANK_POWERDOWN) < 0)
+            ALOGE("%s:: FBIOBLANK failed", __func__);
+
+        fb_off(fp);
+        fb_close(fp);
+    }
+
+    return 0;
+}
+
+char* fb_init_display(int fp, int width, int height, int left_x, int top_y, int bpp)
+{
+    struct fb_var_screeninfo var;
+    struct s5ptvfb_user_window window;
+    int fb_size;
+    char *fb = NULL;
+
+    var.xres = width;
+    var.yres = height;
+    var.bits_per_pixel = bpp;
+    window.x = left_x;
+    window.y = top_y;
+
+    var.xres_virtual = var.xres;
+    var.yres_virtual = var.yres;
+    var.xoffset = 0;
+    var.yoffset = 0;
+    var.width = 0;
+    var.height = 0;
+    var.transp.length = 0;
+    var.activate = FB_ACTIVATE_FORCE;
+    fb_size = var.xres_virtual * var.yres_virtual * bpp / 8;
+
+    /* FBIOPUT_VSCREENINFO should be first */
+    fb_put_vscreeninfo(fp, &var);
+    fb_ioctl(fp, S5PTVFB_WIN_POSITION, &window);
+
+    /* draw image */
+    fb = fb_mmap(fb_size, fp);
+    memset(fb, 0x0, fb_size);
+
+    return fb;
+}
+
+#if 0
+
+static int get_bytes_per_pixel(int bits_per_pixel)
+{
+    return (bits_per_pixel == 24 || bits_per_pixel == 25 ||
+        bits_per_pixel == 28) ? 4 : bits_per_pixel / 8;
+}
+
+int simple_draw(char *dest, const char *src, int img_width,
+        struct fb_var_screeninfo *var)
+{
+    int bytes_per_pixel = get_bytes_per_pixel(var->bits_per_pixel);
+    unsigned int y;
+
+    for (y = 0; y < var->yres; y++)
+        memcpy(dest + y * var->xres * bytes_per_pixel,
+               src + y * img_width * bytes_per_pixel,
+               var->xres * bytes_per_pixel);
+
+    return 0;
+}
+
+int draw(char *dest, const char *src, int img_width,
+     struct fb_var_screeninfo *var)
+{
+    int bytes_per_pixel = get_bytes_per_pixel(var->bits_per_pixel);
+    unsigned int y;
+
+    if (var->bits_per_pixel == 16) {
+        memcpy(dest, src, var->xres * var->yres * 2);
+    } else {
+        for (y = 0; y < var->yres; y++)
+            memcpy(dest + y * var->xres * bytes_per_pixel,
+                   src + y * img_width * bytes_per_pixel,
+                   var->xres * bytes_per_pixel);
+    }
+
+    return 0;
+}
+#endif