1 files changed, 152 insertions, 0 deletions

diff --git a/firmware/target/arm/imx233/creative-zenmozaic/lcd-zenmozaic.c b/firmware/target/arm/imx233/creative-zenmozaic/lcd-zenmozaic.c
new file mode 100644
index 0000000000..eac36676ae
--- /dev/null
+++ b/firmware/target/arm/imx233/creative-zenmozaic/lcd-zenmozaic.c
@@ -0,0 +1,152 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (c) 2013 by Amaury Pouly
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <sys/types.h> /* off_t */
+#include <string.h>
+#include "cpu.h"
+#include "system.h"
+#include "backlight-target.h"
+#include "lcd.h"
+#include "lcdif-imx233.h"
+#include "clkctrl-imx233.h"
+#include "pinctrl-imx233.h"
+#include "dcp-imx233.h"
+#include "logf.h"
+#ifndef BOOTLOADER
+#include "button.h"
+#include "font.h"
+#include "action.h"
+#endif
+
+#ifdef HAVE_LCD_ENABLE
+static bool lcd_on;
+#endif
+
+static void lcd_write_reg(uint16_t reg, uint16_t value)
+{
+    imx233_lcdif_set_data_swizzle(3);
+    imx233_lcdif_pio_send(false, 2, &reg);
+    if(reg != 0x22)
+        imx233_lcdif_pio_send(true, 2, &value);
+}
+
+void lcd_init_device(void)
+{
+    /* clock at 24MHZ */
+    imx233_clkctrl_enable(CLK_PIX, false);
+    imx233_clkctrl_set_div(CLK_PIX, 3);
+    imx233_clkctrl_set_bypass(CLK_PIX, true); /* use XTAL */
+    imx233_clkctrl_enable(CLK_PIX, true);
+    imx233_lcdif_init();
+    imx233_lcdif_setup_system_pins(8);
+    imx233_lcdif_set_timings(2, 2, 2, 2);
+    imx233_lcdif_set_word_length(8);
+
+    lcd_write_reg(0, 1);
+    lcd_write_reg(3, 0);
+
+    lcd_write_reg(3, 0x510);
+    lcd_write_reg(9, 8);
+    lcd_write_reg(0xc, 0);
+    lcd_write_reg(0xd, 0);
+    lcd_write_reg(0xe, 0);
+    lcd_write_reg(0x5b, 4);
+    lcd_write_reg(0xd, 0x10);
+    lcd_write_reg(9, 0);
+    lcd_write_reg(3, 0x10);
+    lcd_write_reg(0xd, 0x14);
+    lcd_write_reg(0xe, 0x2b12);
+    lcd_write_reg(1, 0x21f);
+    lcd_write_reg(2, 0x700);
+    lcd_write_reg(5, 0x30);
+    lcd_write_reg(6, 0);
+    lcd_write_reg(8, 0x202);
+    lcd_write_reg(0xa, 0x3); // OF uses 0xc0003 with 3 transfers/pixels
+    lcd_write_reg(0xb, 0);
+    lcd_write_reg(0xf, 0);
+    lcd_write_reg(0x10, 0);
+    lcd_write_reg(0x11, 0);
+    lcd_write_reg(0x14, 0x9f00);
+    lcd_write_reg(0x15, 0x9f00);
+    lcd_write_reg(0x16, 0x7f00);
+    lcd_write_reg(0x17, 0x9f00);
+    lcd_write_reg(0x20, 0);
+    lcd_write_reg(0x21, 0);
+    lcd_write_reg(0x23, 0);
+    lcd_write_reg(0x24, 0);
+    lcd_write_reg(0x25, 0);
+    lcd_write_reg(0x26, 0);
+    lcd_write_reg(0x30, 0x707);
+    lcd_write_reg(0x31, 0x504);
+    lcd_write_reg(0x32, 7);
+    lcd_write_reg(0x33, 0x307);
+    lcd_write_reg(0x34, 7);
+    lcd_write_reg(0x35, 0x400);
+    lcd_write_reg(0x36, 0x607);
+    lcd_write_reg(0x37, 0x703);
+    lcd_write_reg(0x3a, 0x1a0d);
+    lcd_write_reg(0x3b, 0x1309);
+
+    lcd_write_reg(9, 4);
+    lcd_write_reg(7, 5);
+    lcd_write_reg(7, 0x25);
+    lcd_write_reg(7, 0x27);
+    lcd_write_reg(0x5b, 0);
+    lcd_write_reg(7, 0x37);
+#ifdef HAVE_LCD_ENABLE
+    lcd_on = true;
+#endif
+}
+
+#ifdef HAVE_LCD_ENABLE
+bool lcd_active(void)
+{
+    return lcd_on;
+}
+
+void lcd_enable(bool enable)
+{
+    if(lcd_on == enable)
+        return;
+
+    lcd_on = enable;
+}
+#endif
+
+void lcd_update(void)
+{
+    lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
+}
+
+void lcd_update_rect(int x, int y, int w, int h)
+{
+    #ifdef HAVE_LCD_ENABLE
+    if(!lcd_on)
+        return;
+    #endif
+
+    imx233_lcdif_wait_ready();
+    lcd_write_reg(0x16, x | (x + w - 1) << 8);
+    lcd_write_reg(0x17, y | (y + h - 1) << 8);
+    lcd_write_reg(0x21, y * LCD_WIDTH + x);
+    lcd_write_reg(0x22, 0);
+    for(int yy = y; yy < y + h; yy++)
+        imx233_lcdif_pio_send(true, 2 * w, FBADDR(x, yy));
+}