Add preliminary support for the Onda VX747 (MIPS target)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18032 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 201 insertions, 0 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx747/lcd-onda_vx747.c b/firmware/target/mips/ingenic_jz47xx/onda_vx747/lcd-onda_vx747.c
new file mode 100755
index 0000000000..d46cee6884
--- /dev/null
+++ b/firmware/target/mips/ingenic_jz47xx/onda_vx747/lcd-onda_vx747.c
@@ -0,0 +1,201 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Maurus Cuelenaere
+ *
+ * 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 "jz4740.h"
+#include "lcd-target.h"
+
+#define PIN_CS_N 	(32*1+17) /* Chip select */
+#define PIN_RESET_N (32*1+18) /* Reset */
+
+#define my__gpio_as_lcd_16bit()			\
+do {						\
+	REG_GPIO_PXFUNS(2) = 0x001cffff;	\
+	REG_GPIO_PXSELC(2) = 0x001cffff;	\
+	REG_GPIO_PXPES(2) = 0x001cffff;		\
+} while (0)
+
+
+#define SLEEP(x) for(i=0; i<x; i++) asm("nop"); asm("nop");
+#define DELAY    SLEEP(700000);
+static void _display_pin_init(void)
+{
+    int i;
+    my__gpio_as_lcd_16bit();
+    __gpio_as_output(PIN_CS_N);
+    __gpio_as_output(PIN_RESET_N);
+    __gpio_clear_pin(PIN_CS_N);
+    
+	__gpio_set_pin(PIN_RESET_N);
+	DELAY;		
+	__gpio_clear_pin(PIN_RESET_N);
+	DELAY;
+	__gpio_set_pin(PIN_RESET_N);
+	DELAY;
+}
+
+#define WAIT_ON_SLCD while(REG_SLCD_STATE & SLCD_STATE_BUSY);
+#define SLCD_SET_DATA(x) WAIT_ON_SLCD; REG_SLCD_DATA = (x) | SLCD_DATA_RS_DATA;
+#define SLCD_SET_COMMAND(x) WAIT_ON_SLCD; REG_SLCD_DATA = (x) | SLCD_DATA_RS_COMMAND;
+#define SLCD_SEND_COMMAND(cmd,val) SLCD_SET_COMMAND(cmd); SLCD_SET_DATA(val);
+static void _display_on(void)
+{
+    int i;
+   
+    SLCD_SEND_COMMAND(0x600, 1);
+    SLEEP(700000);
+    SLCD_SEND_COMMAND(0x600, 0);
+    SLEEP(700000);
+    SLCD_SEND_COMMAND(0x606, 0);
+    
+    SLCD_SEND_COMMAND(1, 0x100);
+    SLCD_SEND_COMMAND(2, 0x100);
+    SLCD_SEND_COMMAND(3, 0x1028);
+    SLCD_SEND_COMMAND(8, 0x503);
+    SLCD_SEND_COMMAND(9, 1);
+    SLCD_SEND_COMMAND(0xB, 0x10);
+    SLCD_SEND_COMMAND(0xC, 0);
+    SLCD_SEND_COMMAND(0xF, 0);
+    SLCD_SEND_COMMAND(7, 1);
+    SLCD_SEND_COMMAND(0x10, 0x12);
+    SLCD_SEND_COMMAND(0x11, 0x202);
+    SLCD_SEND_COMMAND(0x12, 0x300);
+    SLCD_SEND_COMMAND(0x20, 0x21e);
+    SLCD_SEND_COMMAND(0x21, 0x202);
+    SLCD_SEND_COMMAND(0x22, 0x100);
+    SLCD_SEND_COMMAND(0x90, 0x8000);
+    SLCD_SEND_COMMAND(0x100, 0x16b0);
+    SLCD_SEND_COMMAND(0x101, 0x147);
+    SLCD_SEND_COMMAND(0x102, 0x1bd);
+    SLCD_SEND_COMMAND(0x103, 0x2f00);
+    SLCD_SEND_COMMAND(0x107, 0);
+    SLCD_SEND_COMMAND(0x110, 1);
+    SLCD_SEND_COMMAND(0x200, 0); /* set cursor at x_start */
+    SLCD_SEND_COMMAND(0x201, 0); /* set cursor at y_start */
+    SLCD_SEND_COMMAND(0x210, 0); /* y_start*/
+    SLCD_SEND_COMMAND(0x211, 239); /* y_end */
+    SLCD_SEND_COMMAND(0x212, 0); /* x_start */
+    SLCD_SEND_COMMAND(0x213, 399); /* x_end */
+    SLCD_SEND_COMMAND(0x280, 0);
+    SLCD_SEND_COMMAND(0x281, 6);
+    SLCD_SEND_COMMAND(0x282, 0);
+    SLCD_SEND_COMMAND(0x300, 0x101);
+    SLCD_SEND_COMMAND(0x301, 0xb27);
+    SLCD_SEND_COMMAND(0x302, 0x132a);
+    SLCD_SEND_COMMAND(0x303, 0x2a13);
+    SLCD_SEND_COMMAND(0x304, 0x270b);
+    SLCD_SEND_COMMAND(0x305, 0x101);
+    SLCD_SEND_COMMAND(0x306, 0x1205);
+    SLCD_SEND_COMMAND(0x307, 0x512);
+    SLCD_SEND_COMMAND(0x308, 5);
+    SLCD_SEND_COMMAND(0x309, 3);
+    SLCD_SEND_COMMAND(0x30a, 0xf04);
+    SLCD_SEND_COMMAND(0x30b, 0xf00);
+    SLCD_SEND_COMMAND(0x30c, 0xf);
+    SLCD_SEND_COMMAND(0x30d, 0x40f);
+    SLCD_SEND_COMMAND(0x30e, 0x300);
+    SLCD_SEND_COMMAND(0x30f, 0x500);
+    SLCD_SEND_COMMAND(0x400, 0x3100);
+    SLCD_SEND_COMMAND(0x401, 1);
+    SLCD_SEND_COMMAND(0x404, 0);
+    SLCD_SEND_COMMAND(0x500, 0);
+    SLCD_SEND_COMMAND(0x501, 0);
+    SLCD_SEND_COMMAND(0x502, 0);
+    SLCD_SEND_COMMAND(0x503, 0);
+    SLCD_SEND_COMMAND(0x504, 0);
+    SLCD_SEND_COMMAND(0x505, 0);
+    SLCD_SEND_COMMAND(0x606, 0);
+    SLCD_SEND_COMMAND(0x6f0, 0);
+    SLCD_SEND_COMMAND(0x7f0, 0x5420);
+    SLCD_SEND_COMMAND(0x7f3, 0x288a);
+    SLCD_SEND_COMMAND(0x7f4, 0x22);
+    SLCD_SEND_COMMAND(0x7f5, 1);
+    SLCD_SEND_COMMAND(0x7f0, 0);
+    
+    SLCD_SEND_COMMAND(7, 0x173);
+    SLEEP(3500000);
+    SLCD_SEND_COMMAND(7, 0x171);
+    SLEEP(3500000);
+    SLCD_SEND_COMMAND(7, 0x173);
+    SLEEP(3500000);
+}
+
+static void _set_lcd_bus(void)
+{
+    REG_LCD_CFG &= ~LCD_CFG_LCDPIN_MASK;
+	REG_LCD_CFG |= LCD_CFG_LCDPIN_SLCD;
+    
+    REG_SLCD_CFG = (SLCD_CFG_BURST_8_WORD | SLCD_CFG_DWIDTH_16 | SLCD_CFG_CWIDTH_16BIT
+                   | SLCD_CFG_CS_ACTIVE_LOW | SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING
+                   | SLCD_CFG_TYPE_PARALLEL);
+    
+    REG_SLCD_CTRL = SLCD_CTRL_DMA_EN;
+}
+
+static void _set_lcd_clock(void)
+{
+	unsigned int val;
+	int pll_div;
+    
+    __cpm_stop_lcd();
+	pll_div = ( REG_CPM_CPCCR & CPM_CPCCR_PCS ); /* clock source,0:pllout/2 1: pllout */
+	pll_div = pll_div ? 1 : 2 ;
+	val = ( __cpm_get_pllout()/pll_div ) / 336000000;
+	val--;
+	if ( val > 0x1ff )
+    {
+		//printf("CPM_LPCDR too large, set it to 0x1ff\n");
+		val = 0x1ff;
+	}
+	__cpm_set_pixdiv(val);
+    __cpm_start_lcd();
+}
+
+void lcd_init_controller(void)
+{
+    int i;
+    _display_pin_init();
+    _set_lcd_bus();
+    _set_lcd_clock();
+    SLEEP(1000);
+    _display_on();
+}
+
+void lcd_set_target(short x, short y, short width, short height)
+{
+    SLCD_SEND_COMMAND(0x210, y); /* y_start */
+    SLCD_SEND_COMMAND(0x211, y+height); /* y_end */
+    SLCD_SEND_COMMAND(0x212, x); /* x_start */
+    SLCD_SEND_COMMAND(0x213, x+width); /* x_end */
+    SLCD_SEND_COMMAND(0x200, x); /* set cursor at x_start */
+    SLCD_SEND_COMMAND(0x201, y); /* set cursor at y_start */
+    SLCD_SET_COMMAND(0x202); /* write data? */
+}
+
+void lcd_on(void)
+{
+    _display_on();
+}
+
+void lcd_off(void)
+{
+    return;
+}