Fix recovery keys and graphics

- Using graphics.c from gingerbread

4 files changed, 389 insertions, 105 deletions

diff --git a/BoardConfig.mk b/BoardConfig.mk
index d34e51b..1321400 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -93,7 +93,8 @@ BOARD_VOLD_EMMC_SHARES_DEV_MAJOR := true
 
 # Recovery
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_CUSTOM_RECOVERY_KEYMAPPING := ../../device/samsung/galaxysmtd/recovery/recovery_ui.c
+BOARD_CUSTOM_RECOVERY_KEYMAPPING := ../../device/samsung/galaxysmtd/recovery/recovery_keys.c
+BOARD_CUSTOM_GRAPHICS := ../../../device/samsung/galaxysmtd/recovery/graphics.c
 BOARD_USES_BML_OVER_MTD := true
 BOARD_CUSTOM_BOOTIMG_MK := device/samsung/aries-common/shbootimg.mk
 TARGET_RECOVERY_PRE_COMMAND := "echo 1 > /cache/.startrecovery; sync;"
diff --git a/recovery/graphics.c b/recovery/graphics.c
new file mode 100644
index 0000000..1334e42
--- /dev/null
+++ b/recovery/graphics.c
@@ -0,0 +1,339 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * 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 <stdlib.h>
+#include <unistd.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>
+
+#include <pixelflinger/pixelflinger.h>
+
+#ifndef BOARD_LDPI_RECOVERY
+	#include "font_10x18.h"
+#else
+	#include "font_7x16.h"
+#endif
+
+#include "minui.h"
+
+typedef struct {
+    GGLSurface texture;
+    unsigned cwidth;
+    unsigned cheight;
+    unsigned ascent;
+} GRFont;
+
+static GRFont *gr_font = 0;
+static GGLContext *gr_context = 0;
+static GGLSurface gr_font_texture;
+static GGLSurface gr_framebuffer[2];
+static GGLSurface gr_mem_surface;
+static unsigned gr_active_fb = 0;
+
+static int gr_fb_fd = -1;
+static int gr_vt_fd = -1;
+
+static struct fb_var_screeninfo vi;
+
+static int get_framebuffer(GGLSurface *fb)
+{
+    int fd;
+    struct fb_fix_screeninfo fi;
+    void *bits;
+
+    fd = open("/dev/graphics/fb0", O_RDWR);
+    if (fd < 0) {
+        perror("cannot open fb0");
+        return -1;
+    }
+
+    if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
+        perror("failed to get fb0 info");
+        close(fd);
+        return -1;
+    }
+
+    if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
+        perror("failed to get fb0 info");
+        close(fd);
+        return -1;
+    }
+
+    bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+    if (bits == MAP_FAILED) {
+        perror("failed to mmap framebuffer");
+        close(fd);
+        return -1;
+    }
+
+    fb->version = sizeof(*fb);
+    fb->width = vi.xres;
+    fb->height = vi.yres;
+#ifdef BOARD_HAS_JANKY_BACKBUFFER
+    fb->stride = fi.line_length/2;
+#else
+    fb->stride = vi.xres;
+#endif
+    fb->data = bits;
+    fb->format = GGL_PIXEL_FORMAT_RGB_565;
+    memset(fb->data, 0, vi.yres * vi.xres * 2);
+
+    fb++;
+
+    fb->version = sizeof(*fb);
+    fb->width = vi.xres;
+    fb->height = vi.yres;
+#ifdef BOARD_HAS_JANKY_BACKBUFFER
+    fb->stride = fi.line_length/2;
+    fb->data = (void*) (((unsigned) bits) + vi.yres * fi.line_length);
+#else
+    fb->stride = vi.xres;
+    fb->data = (void*) (((unsigned) bits) + vi.yres * vi.xres * 2);
+#endif
+    fb->format = GGL_PIXEL_FORMAT_RGB_565;
+    memset(fb->data, 0, vi.yres * vi.xres * 2);
+
+    return fd;
+}
+
+static void get_memory_surface(GGLSurface* ms) {
+  ms->version = sizeof(*ms);
+  ms->width = vi.xres;
+  ms->height = vi.yres;
+  ms->stride = vi.xres;
+  ms->data = malloc(vi.xres * vi.yres * 2);
+  ms->format = GGL_PIXEL_FORMAT_RGB_565;
+}
+
+static void set_active_framebuffer(unsigned n)
+{
+    if (n > 1) return;
+    vi.yres_virtual = vi.yres * 2;
+    vi.yoffset = n * vi.yres;
+    vi.bits_per_pixel = 16;
+    if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
+        perror("active fb swap failed");
+    }
+}
+
+void gr_flip(void)
+{
+    GGLContext *gl = gr_context;
+
+    /* swap front and back buffers */
+    gr_active_fb = (gr_active_fb + 1) & 1;
+
+#ifdef BOARD_HAS_FLIPPED_SCREEN
+    /* flip buffer 180 degrees for devices with physicaly inverted screens */
+    unsigned int i;
+    for (i = 1; i < (vi.xres * vi.yres); i++) {
+        unsigned short tmp = gr_mem_surface.data[i];
+        gr_mem_surface.data[i] = gr_mem_surface.data[(vi.xres * vi.yres * 2) - i];
+        gr_mem_surface.data[(vi.xres * vi.yres * 2) - i] = tmp;
+    }
+#endif
+
+    /* copy data from the in-memory surface to the buffer we're about
+     * to make active. */
+    memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
+           vi.xres * vi.yres * 2);
+
+    /* inform the display driver */
+    set_active_framebuffer(gr_active_fb);
+}
+
+void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
+{
+    GGLContext *gl = gr_context;
+    GGLint color[4];
+    color[0] = ((r << 8) | r) + 1;
+    color[1] = ((g << 8) | g) + 1;
+    color[2] = ((b << 8) | b) + 1;
+    color[3] = ((a << 8) | a) + 1;
+    gl->color4xv(gl, color);
+}
+
+int gr_measure(const char *s)
+{
+    return gr_font->cwidth * strlen(s);
+}
+
+int gr_text(int x, int y, const char *s)
+{
+    GGLContext *gl = gr_context;
+    GRFont *font = gr_font;
+    unsigned off;
+
+    y -= font->ascent;
+
+    gl->bindTexture(gl, &font->texture);
+    gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
+    gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+    gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+    gl->enable(gl, GGL_TEXTURE_2D);
+
+    while((off = *s++)) {
+        off -= 32;
+        if (off < 96) {
+            gl->texCoord2i(gl, (off * font->cwidth) - x, 0 - y);
+            gl->recti(gl, x, y, x + font->cwidth, y + font->cheight);
+        }
+        x += font->cwidth;
+    }
+
+    return x;
+}
+
+void gr_fill(int x, int y, int w, int h)
+{
+    GGLContext *gl = gr_context;
+    gl->disable(gl, GGL_TEXTURE_2D);
+    gl->recti(gl, x, y, w, h);
+}
+
+void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) {
+    if (gr_context == NULL) {
+        return;
+    }
+    GGLContext *gl = gr_context;
+
+    gl->bindTexture(gl, (GGLSurface*) source);
+    gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
+    gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+    gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+    gl->enable(gl, GGL_TEXTURE_2D);
+    gl->texCoord2i(gl, sx - dx, sy - dy);
+    gl->recti(gl, dx, dy, dx + w, dy + h);
+}
+
+unsigned int gr_get_width(gr_surface surface) {
+    if (surface == NULL) {
+        return 0;
+    }
+    return ((GGLSurface*) surface)->width;
+}
+
+unsigned int gr_get_height(gr_surface surface) {
+    if (surface == NULL) {
+        return 0;
+    }
+    return ((GGLSurface*) surface)->height;
+}
+
+static void gr_init_font(void)
+{
+    GGLSurface *ftex;
+    unsigned char *bits, *rle;
+    unsigned char *in, data;
+
+    gr_font = calloc(sizeof(*gr_font), 1);
+    ftex = &gr_font->texture;
+
+    bits = malloc(font.width * font.height);
+
+    ftex->version = sizeof(*ftex);
+    ftex->width = font.width;
+    ftex->height = font.height;
+    ftex->stride = font.width;
+    ftex->data = (void*) bits;
+    ftex->format = GGL_PIXEL_FORMAT_A_8;
+
+    in = font.rundata;
+    while((data = *in++)) {
+        memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f);
+        bits += (data & 0x7f);
+    }
+
+    gr_font->cwidth = font.cwidth;
+    gr_font->cheight = font.cheight;
+    gr_font->ascent = font.cheight - 2;
+}
+
+int gr_init(void)
+{
+    gglInit(&gr_context);
+    GGLContext *gl = gr_context;
+
+    gr_init_font();
+    gr_vt_fd = open("/dev/tty0", O_RDWR | O_SYNC);
+    if (gr_vt_fd < 0) {
+        // This is non-fatal; post-Cupcake kernels don't have tty0.
+        perror("can't open /dev/tty0");
+    } else if (ioctl(gr_vt_fd, KDSETMODE, (void*) KD_GRAPHICS)) {
+        // However, if we do open tty0, we expect the ioctl to work.
+        perror("failed KDSETMODE to KD_GRAPHICS on tty0");
+        gr_exit();
+        return -1;
+    }
+
+    gr_fb_fd = get_framebuffer(gr_framebuffer);
+    if (gr_fb_fd < 0) {
+        gr_exit();
+        return -1;
+    }
+
+    get_memory_surface(&gr_mem_surface);
+
+    fprintf(stderr, "framebuffer: fd %d (%d x %d)\n",
+            gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height);
+
+        /* start with 0 as front (displayed) and 1 as back (drawing) */
+    gr_active_fb = 0;
+    set_active_framebuffer(0);
+    gl->colorBuffer(gl, &gr_mem_surface);
+
+    gl->activeTexture(gl, 0);
+    gl->enable(gl, GGL_BLEND);
+    gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA);
+
+    return 0;
+}
+
+void gr_exit(void)
+{
+    close(gr_fb_fd);
+    gr_fb_fd = -1;
+
+    free(gr_mem_surface.data);
+
+    ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT);
+    close(gr_vt_fd);
+    gr_vt_fd = -1;
+}
+
+int gr_fb_width(void)
+{
+    return gr_framebuffer[0].width;
+}
+
+int gr_fb_height(void)
+{
+    return gr_framebuffer[0].height;
+}
+
+gr_pixel *gr_fb_data(void)
+{
+    return (unsigned short *) gr_mem_surface.data;
+}
+
diff --git a/recovery/recovery_keys.c b/recovery/recovery_keys.c
new file mode 100644
index 0000000..8518354
--- /dev/null
+++ b/recovery/recovery_keys.c
@@ -0,0 +1,48 @@
+#include <linux/input.h>
+
+#include "recovery_ui.h"
+#include "common.h"
+#include "extendedcommands.h"
+
+
+int device_toggle_display(volatile char* key_pressed, int key_code) {
+    int alt = key_pressed[KEY_LEFTALT] || key_pressed[KEY_RIGHTALT];
+    if (alt && key_code == KEY_L)
+        return 1;
+    // allow toggling of the display if the correct key is pressed, and the display toggle is allowed or the display is currently off
+    if (ui_get_showing_back_button()) {
+        return 0;
+        //return get_allow_toggle_display() && (key_code == KEY_HOME || key_code == KEY_MENU || key_code == KEY_END);
+    }
+    return get_allow_toggle_display() && (key_code == KEY_MENU || key_code == KEY_BACK);
+}
+
+int device_handle_key(int key_code, int visible) {
+    if (visible) {
+        switch (key_code) {
+            case KEY_CAPSLOCK:
+            case KEY_DOWN:
+            case KEY_VOLUMEDOWN:
+                return HIGHLIGHT_DOWN;
+
+            case KEY_LEFTSHIFT:
+            case KEY_UP:
+            case KEY_VOLUMEUP:
+                return HIGHLIGHT_UP;
+
+            case KEY_HOME:
+                return SELECT_ITEM;
+
+            case KEY_POWER:
+                if (ui_get_showing_back_button())
+                    return SELECT_ITEM;
+                if (!get_allow_toggle_display())
+                    return GO_BACK;
+                break;
+            default:
+                return NO_ACTION;
+        }
+    }
+
+    return NO_ACTION;
+}
diff --git a/recovery/recovery_ui.c b/recovery/recovery_ui.c
deleted file mode 100644
index c54b997..0000000
--- a/recovery/recovery_ui.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * 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 <linux/input.h>
-
-#include "recovery_ui.h"
-#include "common.h"
-#include "extendedcommands.h"
-
-char* MENU_HEADERS[] = { NULL };
-
-char* MENU_ITEMS[] = { "reboot system now",
-                       "apply update from sdcard",
-                       "wipe data/factory reset",
-                       "wipe cache partition",
-                       "install zip from sdcard",
-                       "backup and restore",
-                       "mounts and storage",
-                       "advanced",
-                       "power off",
-                       NULL };
-
-int device_recovery_start() {
-    return 0;
-}
-
-int device_toggle_display(volatile char* key_pressed, int key_code) {
-    int alt = key_pressed[KEY_LEFTALT] || key_pressed[KEY_RIGHTALT];
-    if (alt && key_code == KEY_L)
-        return 1;
-    // allow toggling of the display if the correct key is pressed, and the display toggle is allowed or the display is currently off
-    if (ui_get_showing_back_button()) {
-        return 0;
-        //return get_allow_toggle_display() && (key_code == KEY_HOME || key_code == KEY_MENU || key_code == KEY_END);
-    }
-    return get_allow_toggle_display() && (key_code == KEY_MENU || key_code == KEY_BACK);
-}
-
-int device_reboot_now(volatile char* key_pressed, int key_code) {
-    return 0;
-}
-
-int device_handle_key(int key_code, int visible) {
-    if (visible) {
-        switch (key_code) {
-            case KEY_CAPSLOCK:
-            case KEY_DOWN:
-            case KEY_VOLUMEDOWN:
-                return HIGHLIGHT_DOWN;
-
-            case KEY_LEFTSHIFT:
-            case KEY_UP:
-            case KEY_VOLUMEUP:
-                return HIGHLIGHT_UP;
-
-            case KEY_HOME:
-                return SELECT_ITEM;
-
-            case KEY_POWER:
-                if (ui_get_showing_back_button()) {
-                    return SELECT_ITEM;
-                }
-                if (!get_allow_toggle_display())
-                    return GO_BACK;
-                break;
-            case KEY_LEFTBRACE:
-            case KEY_ENTER:
-            case BTN_MOUSE:
-            case KEY_CENTER:
-            case KEY_CAMERA:
-            case KEY_F21:
-            case KEY_SEND:           
-            case KEY_END:
-            case KEY_BACKSPACE:
-            case KEY_SEARCH:
-            case KEY_BACK:
-            case KEY_MENU:
-                return NO_ACTION;
-        }
-    }
-
-    return NO_ACTION;
-}
-
-int device_perform_action(int which) {
-    return which;
-}
-
-int device_wipe_data() {
-    return 0;
-}