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authorRafaël Carré <rafael.carre@gmail.com>2010-03-19 15:13:29 +0000
committerRafaël Carré <rafael.carre@gmail.com>2010-03-19 15:13:29 +0000
commit91647264f8b05bf0fe5c58926a2e886b5fd85fe6 (patch)
treedc6db2e98b2a82a7a499fe9a54bbccf4e9ba9230 /firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c
parentf14bb2287c783048a53a979c5604f2c1a82ec8be (diff)
lcd-ssd1303 (all Clips) : move model specific code in their own files
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25248 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c')
-rw-r--r--firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c b/firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c
new file mode 100644
index 0000000000..e405036b63
--- /dev/null
+++ b/firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c
@@ -0,0 +1,85 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2008 François Dinel
+ * Copyright (C) 2008-2009 Rafaël Carré
+ *
+ * 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 "lcd.h"
+#include "system.h"
+#include "cpu.h"
+
+void lcd_hw_init(void)
+{
+/* DBOP initialisation, do what OF does */
+ CCU_IO |= (1<<12); /* ?? */
+ CGU_DBOP |= /*(1<<3)*/ 0x18 | AS3525_DBOP_DIV;
+
+ DBOP_CTRL = 0x51004;
+ DBOP_TIMPOL_01 = 0x36A12F;
+ DBOP_TIMPOL_23 = 0xE037E037;
+
+ GPIOB_DIR |= (1<<2)|(1<<5);
+ GPIOB_PIN(5) = (1<<5);
+}
+
+#define LCD_DELAY 10
+
+void lcd_write_command(int byte)
+{
+ volatile int i = 0;
+ while(i<LCD_DELAY) i++;
+
+ /* unset D/C# (data or command) */
+ GPIOB_PIN(2) = 0;
+ DBOP_TIMPOL_23 = 0xE0370036;
+
+ /* Write command */
+ /* Only bits 15:12 and 3:0 of DBOP_DOUT are meaningful */
+ DBOP_DOUT = (byte << 8) | byte;
+
+ /* While push fifo is not empty */
+ while ((DBOP_STAT & (1<<10)) == 0)
+ ;
+
+ DBOP_TIMPOL_23 = 0xE037E037;
+}
+
+void lcd_write_data(const fb_data* p_bytes, int count)
+{
+ volatile int i = 0;
+ while(i<LCD_DELAY) i++;
+
+ /* set D/C# (data or command) */
+ GPIOB_PIN(2) = (1<<2);
+
+ while (count--)
+ {
+ /* Write pixels */
+ /* Only bits 15:12 and 3:0 of DBOP_DOUT are meaningful */
+ DBOP_DOUT = (*p_bytes << 8) | *p_bytes;
+
+ p_bytes++; /* next packed pixels */
+
+ /* Wait if push fifo is full */
+ while ((DBOP_STAT & (1<<6)) != 0);
+ }
+ /* While push fifo is not empty */
+ while ((DBOP_STAT & (1<<10)) == 0);
+}