1 files changed, 311 insertions, 0 deletions

diff --git a/minui/graphics_overlay.c b/minui/graphics_overlay.c
new file mode 100644
index 000000000..02ef0b959
--- /dev/null
+++ b/minui/graphics_overlay.c
@@ -0,0 +1,311 @@
+/*
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+
+#include <linux/fb.h>
+#include <linux/kd.h>
+
+#ifdef MSM_BSP
+#include <linux/msm_mdp.h>
+#include <linux/msm_ion.h>
+#endif
+
+#include <pixelflinger/pixelflinger.h>
+
+#include "minui.h"
+
+#define MDP_V4_0 400
+
+#ifdef MSM_BSP
+#define ALIGN(x, align) (((x) + ((align)-1)) & ~((align)-1))
+
+typedef struct {
+    unsigned char *mem_buf;
+    int size;
+    int ion_fd;
+    int mem_fd;
+    struct ion_handle_data handle_data;
+} memInfo;
+
+static int overlay_id = MSMFB_NEW_REQUEST;
+static memInfo mem_info;
+
+static int map_mdp_pixel_format()
+{
+    int format = MDP_RGB_565;
+#if defined(RECOVERY_BGRA)
+    format = MDP_BGRA_8888;
+#elif defined(RECOVERY_RGBX)
+    format = MDP_RGBA_8888;
+#endif
+    return format;
+}
+#endif // #ifdef MSM_BSP
+
+static bool overlay_supported = false;
+
+bool target_has_overlay(char *version)
+{
+    int ret;
+    int mdp_version;
+
+    if (strlen(version) >= 8) {
+        if(!strncmp(version, "msmfb", strlen("msmfb"))) {
+            char str_ver[4];
+            memcpy(str_ver, version + strlen("msmfb"), 3);
+            str_ver[3] = '\0';
+            mdp_version = atoi(str_ver);
+            if (mdp_version >= MDP_V4_0) {
+                overlay_supported = true;
+            }
+        } else if (!strncmp(version, "mdssfb", strlen("mdssfb"))) {
+            overlay_supported = true;
+        }
+    }
+
+    return overlay_supported;
+}
+
+#ifdef MSM_BSP
+
+int free_ion_mem(void) {
+    if (!overlay_supported)
+        return -EINVAL;
+
+    int ret = 0;
+
+    if (mem_info.mem_buf)
+        munmap(mem_info.mem_buf, mem_info.size);
+
+    if (mem_info.ion_fd >= 0) {
+        ret = ioctl(mem_info.ion_fd, ION_IOC_FREE, &mem_info.handle_data);
+        if (ret < 0)
+            perror("free_mem failed ");
+    }
+
+    if (mem_info.mem_fd >= 0)
+        close(mem_info.mem_fd);
+    if (mem_info.ion_fd >= 0)
+        close(mem_info.ion_fd);
+
+    memset(&mem_info, 0, sizeof(mem_info));
+    mem_info.mem_fd = -1;
+    mem_info.ion_fd = -1;
+    return 0;
+}
+
+int alloc_ion_mem(unsigned int size)
+{
+    if (!overlay_supported)
+        return -EINVAL;
+    int result;
+    struct ion_fd_data fd_data;
+    struct ion_allocation_data ionAllocData;
+
+    mem_info.ion_fd = open("/dev/ion", O_RDWR|O_DSYNC);
+    if (mem_info.ion_fd < 0) {
+        perror("ERROR: Can't open ion ");
+        return -errno;
+    }
+
+    ionAllocData.flags = 0;
+    ionAllocData.len = size;
+    ionAllocData.align = sysconf(_SC_PAGESIZE);
+    ionAllocData.heap_mask =
+            ION_HEAP(ION_IOMMU_HEAP_ID) |
+            ION_HEAP(ION_SYSTEM_CONTIG_HEAP_ID);
+
+    result = ioctl(mem_info.ion_fd, ION_IOC_ALLOC,  &ionAllocData);
+    if(result){
+        perror("ION_IOC_ALLOC Failed ");
+        close(mem_info.ion_fd);
+        return result;
+    }
+
+    fd_data.handle = ionAllocData.handle;
+    mem_info.handle_data.handle = ionAllocData.handle;
+    result = ioctl(mem_info.ion_fd, ION_IOC_MAP, &fd_data);
+    if (result) {
+        perror("ION_IOC_MAP Failed ");
+        free_ion_mem();
+        return result;
+    }
+    mem_info.mem_buf = (unsigned char *)mmap(NULL, size, PROT_READ |
+                PROT_WRITE, MAP_SHARED, fd_data.fd, 0);
+    mem_info.mem_fd = fd_data.fd;
+
+    if (!mem_info.mem_buf) {
+        perror("ERROR: mem_buf MAP_FAILED ");
+        free_ion_mem();
+        return -ENOMEM;
+    }
+
+    return 0;
+}
+
+int allocate_overlay(int fd, GGLSurface gr_fb[])
+{
+    if (!overlay_supported)
+        return -EINVAL;
+
+    struct mdp_overlay overlay;
+    int ret = 0;
+
+    memset(&overlay, 0 , sizeof (struct mdp_overlay));
+
+    /* Fill Overlay Data */
+
+    overlay.src.width  = ALIGN(gr_fb[0].width, 32);
+    overlay.src.height = gr_fb[0].height;
+    overlay.src.format = map_mdp_pixel_format();
+    overlay.src_rect.w = gr_fb[0].width;
+    overlay.src_rect.h = gr_fb[0].height;
+    overlay.dst_rect.w = gr_fb[0].width;
+    overlay.dst_rect.h = gr_fb[0].height;
+    overlay.alpha = 0xFF;
+    overlay.transp_mask = MDP_TRANSP_NOP;
+    overlay.id = MSMFB_NEW_REQUEST;
+    ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlay);
+    if (ret < 0) {
+        perror("Overlay Set Failed");
+        return ret;
+    }
+
+    overlay_id = overlay.id;
+    return 0;
+}
+
+int free_overlay(int fd)
+{
+    if (!overlay_supported)
+        return -EINVAL;
+
+    int ret = 0;
+    struct mdp_display_commit ext_commit;
+
+    if (overlay_id != MSMFB_NEW_REQUEST) {
+        ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlay_id);
+        if (ret) {
+            perror("Overlay Unset Failed");
+            overlay_id = MSMFB_NEW_REQUEST;
+            return ret;
+        }
+
+        memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
+        ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
+        ext_commit.wait_for_finish = 1;
+        ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
+        if (ret < 0) {
+            perror("ERROR: Clear MSMFB_DISPLAY_COMMIT failed!");
+            overlay_id = MSMFB_NEW_REQUEST;
+            return ret;
+        }
+
+        overlay_id = MSMFB_NEW_REQUEST;
+    }
+    return 0;
+}
+
+int overlay_display_frame(int fd, GGLubyte* data, size_t size)
+{
+    if (!overlay_supported)
+        return -EINVAL;
+    int ret = 0;
+    struct msmfb_overlay_data ovdata;
+    struct mdp_display_commit ext_commit;
+
+    if (overlay_id == MSMFB_NEW_REQUEST) {
+        perror("display_frame failed, no overlay\n");
+        return 0;
+    }
+
+    memcpy(mem_info.mem_buf, data, size);
+
+    memset(&ovdata, 0, sizeof(struct msmfb_overlay_data));
+
+    ovdata.id = overlay_id;
+    ovdata.data.flags = 0;
+    ovdata.data.offset = 0;
+    ovdata.data.memory_id = mem_info.mem_fd;
+    ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdata);
+    if (ret < 0) {
+        perror("overlay_display_frame failed, overlay play Failed\n");
+        return 0;
+    }
+
+    memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
+    ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
+    ext_commit.wait_for_finish = 1;
+    ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
+    if (ret < 0) {
+        perror("overlay_display_frame failed, overlay commit Failed\n!");
+        return 0;
+    }
+
+    return 0;
+}
+
+#else
+
+int free_ion_mem(void) {
+    return -EINVAL;
+}
+
+int alloc_ion_mem(unsigned int size)
+{
+    return -EINVAL;
+}
+
+int allocate_overlay(int fd, GGLSurface gr_fb[])
+{
+    return -EINVAL;
+}
+
+int free_overlay(int fd)
+{
+    return -EINVAL;
+}
+
+int overlay_display_frame(int fd, GGLubyte* data, size_t size)
+{
+    return -EINVAL;
+}
+
+#endif //#ifdef MSM_BSP