1 files changed, 241 insertions, 0 deletions

diff --git a/firmware/target/coldfire/mpio/hd200/lcd-hd200.c b/firmware/target/coldfire/mpio/hd200/lcd-hd200.c
new file mode 100644
index 0000000000..8cb9e8e087
--- /dev/null
+++ b/firmware/target/coldfire/mpio/hd200/lcd-hd200.c
@@ -0,0 +1,241 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:$
+ *
+ * Copyright (C) 2010 Marcin Bukat
+ *
+ * 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 "system.h"
+#include "kernel.h"
+#include "lcd.h"
+
+/*** definitions ***/
+/* TOMATO LSI 0350 - definitions and slightly tweaked functions
+ * taken from lcd-remote-iaudio.c 
+ */
+
+#define LCD_SET_DUTY_RATIO 0x48
+#define LCD_SELECT_ADC     0xa0
+#define LCD_SELECT_SHL     0xc0
+#define LCD_SET_COM0       0x44
+#define LCD_OSC_ON         0xab
+#define LCD_SELECT_DCDC    0x64
+#define LCD_SELECT_RES     0x20
+#define LCD_SET_VOLUME     0x81
+#define LCD_SET_BIAS       0x50
+#define LCD_CONTROL_POWER  0x28
+#define LCD_DISPLAY_ON     0xae
+#define LCD_SET_INITLINE   0x40
+#define LCD_SET_COLUMN     0x10
+#define LCD_SET_PAGE       0xb0
+#define LCD_SET_GRAY       0x88
+#define LCD_SET_PWM_FRC    0x90
+#define LCD_SET_POWER_SAVE 0xa8
+#define LCD_REVERSE        0xa6
+#define LCD_RESET          0xe2
+
+/* cached settings */
+static bool cached_invert = false;
+static bool cached_flip = false;
+static int cached_contrast = DEFAULT_CONTRAST_SETTING;
+bool lcd_initialized = false;
+
+/*** hardware configuration ***/
+int lcd_default_contrast(void)
+{
+    return DEFAULT_CONTRAST_SETTING;
+}
+
+void lcd_powersave(bool on)
+{
+/* What is the point of having else construct here? */
+    if(lcd_initialized) {
+        if (on)
+            lcd_write_command(LCD_SET_POWER_SAVE | 1);
+        else
+            lcd_write_command(LCD_SET_POWER_SAVE | 1);
+    }
+}
+
+void lcd_set_contrast(int val)
+{
+    if (val < MIN_CONTRAST_SETTING)
+        val = MIN_CONTRAST_SETTING;
+    else if (val > MAX_CONTRAST_SETTING)
+        val = MAX_CONTRAST_SETTING;
+
+    cached_contrast = val;
+    if(lcd_initialized)
+        lcd_write_command_e(LCD_SET_VOLUME, val);
+}
+
+void lcd_set_invert_display(bool yesno)
+{
+    cached_invert = yesno;
+    if(lcd_initialized)
+        lcd_write_command(LCD_REVERSE | yesno);
+
+}
+
+/* turn the display upside down (call lcd_update() afterwards) */
+void lcd_set_flip(bool yesno)
+{
+    cached_flip = yesno;
+    if(lcd_initialized)
+    {
+        if(yesno)
+        {
+            lcd_write_command(LCD_SELECT_ADC | 1);
+            lcd_write_command(LCD_SELECT_SHL | 0);
+            lcd_write_command_e(LCD_SET_COM0, 0);
+        }
+        else
+        {
+            lcd_write_command(LCD_SELECT_ADC | 0);
+            lcd_write_command(LCD_SELECT_SHL | 8);
+            lcd_write_command_e(LCD_SET_COM0, 0);
+        }
+    }
+
+}
+
+void lcd_shutdown(void)
+{
+    /* Set power save -> Power OFF (VDD - VSS) .. that's it */
+    if (lcd_initialized)
+        lcd_write_command(LCD_SET_POWER_SAVE | 1);
+}
+
+void lcd_init_device(void)
+{
+    and_l(~0x00000800, &GPIO_FUNCTION); /* CS3 line */ 
+
+    /* LCD Reset GPO34 */
+    or_l(0x00000004, &GPIO1_ENABLE);    /* set as output */
+    or_l(0x00000004, &GPIO1_FUNCTION);  /* switch to secondary function - GPIO */
+   
+    and_l(~0x00000004, &GPIO1_OUT);     /* RESET low */
+    sleep(1);                           /* delay at least 1000 ns */
+    or_l(0x00000004, &GPIO1_OUT);       /* RESET high */
+    sleep(1);
+
+    /* parameters setup taken from original firmware */
+    lcd_write_command(LCD_RESET);
+    lcd_write_command_e(LCD_SET_DUTY_RATIO,0x80); /* 1/128 */
+    lcd_write_command(LCD_OSC_ON);
+    lcd_write_command(LCD_SELECT_DCDC | 3); /* DC/DC 6xboost */
+    lcd_write_command(LCD_SELECT_RES | 7); /* Regulator resistor: 7.2 */
+    lcd_write_command(LCD_SET_BIAS | 6); /* 1/11 */
+    lcd_write_command(LCD_SET_PWM_FRC | 6); /* 3FRC + 12PWM */
+    lcd_write_command_e(LCD_SET_GRAY | 0, 0x00);
+    lcd_write_command_e(LCD_SET_GRAY | 1, 0x00);
+    lcd_write_command_e(LCD_SET_GRAY | 2, 0x0c);
+    lcd_write_command_e(LCD_SET_GRAY | 3, 0x00);
+    lcd_write_command_e(LCD_SET_GRAY | 4, 0xc4);
+    lcd_write_command_e(LCD_SET_GRAY | 5, 0x00);
+    lcd_write_command_e(LCD_SET_GRAY | 6, 0xcc);
+    lcd_write_command_e(LCD_SET_GRAY | 7, 0x00);
+
+    lcd_write_command(LCD_CONTROL_POWER | 7); /* All circuits ON */
+    lcd_write_command(LCD_DISPLAY_ON | 1); /* display on */
+
+    /* Ok we are ready */
+    lcd_initialized = true;
+
+    lcd_set_flip(cached_flip);
+    lcd_set_contrast(cached_contrast);
+    lcd_set_invert_display(cached_invert);
+
+    lcd_update();
+}
+
+/* Update the display.
+   This must be called after all other LCD functions that change the display. */
+void lcd_update(void) ICODE_ATTR;
+void lcd_update(void)
+{
+   int y;
+    if(!lcd_initialized)
+        return;
+    
+        for(y = 0;y < LCD_FBHEIGHT;y++)
+        {
+            lcd_write_command(LCD_SET_PAGE | y);
+            lcd_write_command_e(LCD_SET_COLUMN, 0);
+            lcd_write_data(lcd_framebuffer[y], LCD_WIDTH);
+        }
+    
+
+}
+
+/* Update a fraction of the display. */
+void lcd_update_rect(int, int, int, int) ICODE_ATTR;
+void lcd_update_rect(int x, int y, int width, int height)
+{
+    int ymax;
+
+    if (!lcd_initialized)
+        return;
+ 
+
+        /* The Y coordinates have to work on even 8 pixel rows */
+        ymax = (y + height-1) >> 3;
+        y >>= 3;
+
+        if(x + width > LCD_WIDTH)
+            width = LCD_WIDTH - x;
+        if (width <= 0)
+            return; /* nothing left to do, 0 is harmful to lcd_write_data() */
+        if(ymax >= LCD_FBHEIGHT)
+            ymax = LCD_FBHEIGHT-1;
+
+        /* Copy specified rectange bitmap to hardware */
+        for (; y <= ymax; y++)
+        {
+            lcd_write_command(LCD_SET_PAGE | y ); 
+            lcd_write_command_e(LCD_SET_COLUMN | ((x >> 4) & 0xf), x & 0x0f);
+            lcd_write_data (&lcd_framebuffer[y][x], width);
+        }
+    
+}
+
+void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases,
+                         int x, int by, int width, int bheight, int stride)
+{
+    (void)values;
+    (void)phases;
+    (void)x;
+    (void)by;
+    (void)width;
+    (void)bheight;
+    (void)stride;
+    /* empty stub */
+}
+
+void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
+                   int bheight, int stride)
+{
+    (void)data;
+    (void)x;
+    (void)by;
+    (void)width;
+    (void)bheight;
+    (void)stride;
+    /* empty stub */
+}