From 6908cc52358df90a27452ab0f085fa41674440ff Mon Sep 17 00:00:00 2001
From: Mark Arigo <markarigo@gmail.com>
Date: Fri, 25 Dec 2009 04:05:01 +0000
Subject: Merry Christmas Gogear HDD6330 owners! This is the start of the
 HDD6330 port. At the moment, it's essentially a copy of the HDD1630 port with
 a minimal LCD driver. The touchpad doesn't work as expected, but you can
 still kind of navigate and listen to music/radio.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24112 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/philips/hdd6330/lcd-hdd6330.c | 159 ++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 firmware/target/arm/philips/hdd6330/lcd-hdd6330.c

(limited to 'firmware/target/arm/philips/hdd6330/lcd-hdd6330.c')

diff --git a/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c b/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c
new file mode 100644
index 0000000000..3d9cb036f1
--- /dev/null
+++ b/firmware/target/arm/philips/hdd6330/lcd-hdd6330.c
@@ -0,0 +1,159 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Mark Arigo
+ *
+ * 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 "config.h"
+#include "cpu.h"
+#include "lcd.h"
+#include "kernel.h"
+#include "system.h"
+
+/* Display status */
+static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
+
+/* wait for LCD */
+static inline void lcd_wait_write(void)
+{
+    int i = 0;
+    while (LCD2_PORT & LCD2_BUSY_MASK)
+    {
+        if (i < 2000)
+            i++;
+        else
+            LCD2_PORT &= ~LCD2_BUSY_MASK;
+    }
+}
+
+/* send LCD data */
+static void lcd_send_data(unsigned data)
+{
+    lcd_wait_write();
+    LCD2_PORT = LCD2_DATA_MASK | (data & 0xff);
+}
+
+/* send LCD command */
+static void lcd_send_cmd(unsigned cmd)
+{
+    lcd_wait_write();
+    LCD2_PORT = LCD2_CMD_MASK | (cmd & 0xff);
+    lcd_wait_write();
+}
+
+static inline void lcd_send_pixel(unsigned pixel)
+{
+    lcd_send_data(pixel >> 8);
+    lcd_send_data(pixel);
+}
+
+void lcd_init_device(void)
+{
+    /* init handled by the OF bootloader */
+}
+
+/*** hardware configuration ***/
+int lcd_default_contrast(void)
+{
+    return DEFAULT_CONTRAST_SETTING;
+}
+
+void lcd_set_contrast(int val)
+{
+    (void)val;
+}
+
+void lcd_set_invert_display(bool yesno)
+{
+    (void)yesno;
+}
+
+/* turn the display upside down (call lcd_update() afterwards) */
+void lcd_set_flip(bool yesno)
+{
+    (void)yesno;
+}
+
+void lcd_yuv_set_options(unsigned options)
+{
+    lcd_yuv_options = options;
+}
+
+/* Performance function to blit a YUV bitmap directly to the LCD */
+void lcd_blit_yuv(unsigned char * const src[3],
+                  int src_x, int src_y, int stride,
+                  int x, int y, int width, int height)
+{
+    (void)src;
+    (void)src_x;
+    (void)src_y;
+    (void)stride;
+    (void)x;
+    (void)y;
+    (void)width;
+    (void)height;
+}
+ 
+/* Update the display.
+   This must be called after all other LCD functions that change the display. */
+void lcd_update(void)
+{
+    lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
+}
+
+/* Update a fraction of the display. */
+void lcd_update_rect(int x, int y, int width, int height)
+{
+    const fb_data *addr;
+    
+    if (x + width >= LCD_WIDTH)
+        width = LCD_WIDTH - x;
+    if (y + height >= LCD_HEIGHT)
+        height = LCD_HEIGHT - y;
+        
+    if ((width <= 0) || (height <= 0))
+        return; /* Nothing left to do. */
+
+    addr = &lcd_framebuffer[y][x];
+
+    lcd_send_cmd(0x01);
+    lcd_send_data(0x48);
+
+    lcd_send_cmd(0x05);
+    lcd_send_data(0x0f);
+
+    lcd_send_cmd(0x08);
+    lcd_send_data(y);
+
+    lcd_send_cmd(0x09);
+    lcd_send_data(y + height - 1);
+
+    lcd_send_cmd(0x0a);
+    lcd_send_data(x + 16);
+
+    lcd_send_cmd(0x0b);
+    lcd_send_data(x + width - 1 + 16);
+
+    lcd_send_cmd(0x06);
+    do {
+        int w = width;
+        do {
+            lcd_send_pixel(*addr++);
+        } while (--w > 0);
+        addr += LCD_WIDTH - width;
+    } while (--height > 0);
+}
-- 
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