tc6393xb: non-accelerated FB support (Dmitry Baryshkov).

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5617 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 72 insertions, 0 deletions

diff --git a/hw/tc6393xb_template.h b/hw/tc6393xb_template.h
new file mode 100644
index 0000000000..e882c98a07
--- /dev/null
+++ b/hw/tc6393xb_template.h
@@ -0,0 +1,72 @@
+/*
+ * Toshiba TC6393XB I/O Controller.
+ * Found in Sharp Zaurus SL-6000 (tosa) or some
+ * Toshiba e-Series PDAs.
+ *
+ * FB support code. Based on G364 fb emulator
+ *
+ * Copyright (c) 2007 Hervé Poussineau
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#if BITS == 8
+# define SET_PIXEL(addr, color)	*(uint8_t*)addr = color;
+#elif BITS == 15 || BITS == 16
+# define SET_PIXEL(addr, color)	*(uint16_t*)addr = color;
+#elif BITS == 24
+# define SET_PIXEL(addr, color)	\
+    addr[0] = color; addr[1] = (color) >> 8; addr[2] = (color) >> 16;
+#elif BITS == 32
+# define SET_PIXEL(addr, color)	*(uint32_t*)addr = color;
+#else
+# error unknown bit depth
+#endif
+
+
+static void glue(tc6393xb_draw_graphic, BITS)(struct tc6393xb_s *s)
+{
+    int i;
+    int w_display;
+    uint16_t *data_buffer;
+    uint8_t *data_display;
+
+    data_buffer = (uint16_t*)(phys_ram_base + s->vram_addr);
+    w_display = s->scr_width * BITS / 8;
+    data_display = s->ds->data;
+    for(i = 0; i < s->scr_height; i++) {
+#if (BITS == 16)
+        memcpy(data_display, data_buffer, s->scr_width * 2);
+        data_buffer += s->scr_width;
+        data_display += s->ds->linesize;
+#else
+        int j;
+        for (j = 0; j < s->scr_width; j++, data_display += BITS / 8, data_buffer++) {
+            uint16_t color = *data_buffer;
+            uint32_t dest_color = glue(rgb_to_pixel, BITS)(
+                           ((color & 0xf800) * 0x108) >> 11,
+                           ((color & 0x7e0) * 0x41) >> 9,
+                           ((color & 0x1f) * 0x21) >> 2
+                           );
+            SET_PIXEL(data_display, dest_color);
+        }
+#endif
+    }
+}
+
+#undef BITS
+#undef SET_PIXEL
+