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diff --git a/firmware/target/arm/lcd-ssd1815.c b/firmware/target/arm/lcd-ssd1815.c
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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Alan Korr
+ *
+ * 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 "hwcompat.h"
+#include "kernel.h"
+#include "lcd.h"
+#include "system.h"
+#include "cpu.h"
+
+/*** definitions ***/
+
+#define LCD_SET_LOWER_COLUMN_ADDRESS ((char)0x00)
+#define LCD_SET_HIGHER_COLUMN_ADDRESS ((char)0x10)
+#define LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO ((char)0x20)
+#define LCD_SET_POWER_CONTROL_REGISTER ((char)0x28)
+#define LCD_SET_DISPLAY_START_LINE ((char)0x40)
+#define LCD_SET_CONTRAST_CONTROL_REGISTER ((char)0x81)
+#define LCD_SET_SEGMENT_REMAP ((char)0xA0)
+#define LCD_SET_LCD_BIAS ((char)0xA2)
+#define LCD_SET_ENTIRE_DISPLAY_OFF ((char)0xA4)
+#define LCD_SET_ENTIRE_DISPLAY_ON ((char)0xA5)
+#define LCD_SET_NORMAL_DISPLAY ((char)0xA6)
+#define LCD_SET_REVERSE_DISPLAY ((char)0xA7)
+#define LCD_SET_MULTIPLEX_RATIO ((char)0xA8)
+#define LCD_SET_BIAS_TC_OSC ((char)0xA9)
+#define LCD_SET_1OVER4_BIAS_RATIO ((char)0xAA)
+#define LCD_SET_INDICATOR_OFF ((char)0xAC)
+#define LCD_SET_INDICATOR_ON ((char)0xAD)
+#define LCD_SET_DISPLAY_OFF ((char)0xAE)
+#define LCD_SET_DISPLAY_ON ((char)0xAF)
+#define LCD_SET_PAGE_ADDRESS ((char)0xB0)
+#define LCD_SET_COM_OUTPUT_SCAN_DIRECTION ((char)0xC0)
+#define LCD_SET_TOTAL_FRAME_PHASES ((char)0xD2)
+#define LCD_SET_DISPLAY_OFFSET ((char)0xD3)
+#define LCD_SET_READ_MODIFY_WRITE_MODE ((char)0xE0)
+#define LCD_SOFTWARE_RESET ((char)0xE2)
+#define LCD_NOP ((char)0xE3)
+#define LCD_SET_END_OF_READ_MODIFY_WRITE_MODE ((char)0xEE)
+
+/* LCD command codes */
+#define LCD_CNTL_RESET 0xe2 /* Software reset */
+#define LCD_CNTL_POWER 0x2f /* Power control */
+#define LCD_CNTL_CONTRAST 0x81 /* Contrast */
+#define LCD_CNTL_OUTSCAN 0xc8 /* Output scan direction */
+#define LCD_CNTL_SEGREMAP 0xa1 /* Segment remap */
+#define LCD_CNTL_DISPON 0xaf /* Display on */
+
+#define LCD_CNTL_PAGE 0xb0 /* Page address */
+#define LCD_CNTL_HIGHCOL 0x10 /* Upper column address */
+#define LCD_CNTL_LOWCOL 0x00 /* Lower column address */
+
+
+#if CONFIG_CPU == AS3525
+#include "as3525.h"
+
+void lcd_write_command(int byte)
+{
+ DBOP_TIMPOL_23 = 0x6006E;
+ DBOP_DOUT = byte;
+
+ /* While push fifo is not empty */
+ while ((DBOP_STAT & (1<<10)) == 0)
+ ;
+
+ DBOP_TIMPOL_23 = 0x6E06F;
+}
+
+void lcd_write_data(const fb_data* p_bytes, int count)
+{
+ while (count--)
+ {
+ /* Write pixels */
+ DBOP_DOUT = *p_bytes++;
+
+ /* While push fifo is not empty */
+ while ((DBOP_STAT & (1<<10)) == 0)
+ ;
+ }
+}
+
+static inline void ams3525_dbop_init(void)
+{
+ int clkdiv = 4 - 1;
+
+ CGU_DBOP |= (1<<3) /* clk enable */ | clkdiv /* clkdiv: 3 bits */ ;
+
+ GPIOB_AFSEL = 0x0f; /* DBOP on pin 3:0 */
+ GPIOC_AFSEL = 0xff; /* DBOP on pins 7:0 */
+
+ DBOP_CTRL = 0x50008;
+ DBOP_TIMPOL_01 = 0xA167E167;
+ DBOP_TIMPOL_23 = 0x6E06F; /* this value is used for data (pixels) write */
+}
+
+
+/* LCD init, largely based on what OF does */
+void lcd_init_device(void)
+{
+ int delay;
+
+ ams3525_dbop_init();
+
+ GPIOB_DIR |= (1<<4);
+ GPIOD_DIR |= (1<<1)|(1<<3);
+
+ GPIOD_PIN(1) = (1<<1); /* backlight on */
+
+ GPIOD_PIN(3) = (1<<3);
+ delay = 10; while(delay--) ;
+
+ GPIOB_PIN(4) = (1<<4);
+ delay = 10; while(delay--) ;
+
+ lcd_write_command(LCD_SET_LCD_BIAS);
+ lcd_write_command(LCD_SET_SEGMENT_REMAP);
+ lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION);
+ lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO|0x5);
+ lcd_set_contrast(lcd_default_contrast());
+ lcd_write_command(LCD_SET_REVERSE_DISPLAY);
+ lcd_write_command(LCD_SET_POWER_CONTROL_REGISTER|0x7);
+ lcd_write_command(LCD_SET_DISPLAY_ON);
+ lcd_write_command(LCD_SET_DISPLAY_START_LINE);
+}
+
+
+#elif defined(CPU_TCC77X)
+
+/* TCC77x specific defines */
+#define LCD_BASE 0x50000000
+#define LCD_CMD *(volatile unsigned char*)(LCD_BASE)
+#define LCD_DATA *(volatile unsigned char*)(LCD_BASE+1)
+
+void lcd_write_command(int byte)
+{
+ LCD_CMD = byte;
+
+ asm volatile (
+ "nop \n\t"
+ "nop \n\t"
+ "nop \n\t"
+ );
+}
+
+void lcd_write_data(const fb_data* p_bytes, int count)
+{
+ while (count--)
+ {
+ LCD_DATA = *(p_bytes++);
+
+ asm volatile (
+ "nop \n\t"
+ "nop \n\t"
+ "nop \n\t"
+ );
+ }
+}
+
+/* LCD init */
+void lcd_init_device(void)
+{
+ uint32_t bus_width;
+
+ /* Telechips init the same as the original firmware */
+ CSCFG1 &= 0xc3ffc000;
+ CSCFG1 |= 0x3400101a;
+ CSCFG1 |= (1 << 21);
+ CSCFG1 &= ~(1 << 21);
+
+ bus_width = ((MCFG >> 11) & 0x3) ^ 3;
+
+ CSCFG1 = (bus_width << 28) |
+ (3 << 26) | /* MTYPE = 3 */
+ ((LCD_BASE >> 28) << 22) | /* CSBASE = 0x5 */
+ (1 << 20) | /* Unknown */
+ (3 << 11) | /* Setup time = 3 cycles */
+ (3 << 3) | /* Pulse width = 3+1 cycles */
+ (1 << 0); /* Hold time = 1 cycle */
+
+ /* SSD1815 inits like the original firmware */
+ lcd_write_command(LCD_SET_DISPLAY_OFF);
+ lcd_set_flip(false);
+ lcd_write_command(LCD_SET_INTERNAL_REGULATOR_RESISTOR_RATIO | 5);
+ lcd_set_contrast(lcd_default_contrast());
+ lcd_write_command(LCD_SET_POWER_CONTROL_REGISTER | 7);
+ /* power control register: op-amp=1, regulator=1, booster=1 */
+ lcd_write_command(LCD_SET_BIAS_TC_OSC);
+
+ /* 0xc2 = 110 000 10: Osc. Freq 110 - ???
+ TC value 000 - "-0.01%/C (TC0, POR)"
+ Bias ratio 10 - "1/9, 1/7 (POR)"
+ */
+ lcd_write_command(0xc2);
+ lcd_write_command(LCD_SET_DISPLAY_ON);
+
+ lcd_clear_display();
+ lcd_update();
+}
+
+/* End of TCC77x specific defines */
+#endif
+
+
+/** globals **/
+
+static int xoffset; /* needed for flip */
+
+/*** hardware configuration ***/
+
+int lcd_default_contrast(void)
+{
+ return 0x1f;
+}
+
+void lcd_set_contrast(int val)
+{
+ lcd_write_command(LCD_CNTL_CONTRAST);
+ lcd_write_command(val);
+}
+
+void lcd_set_invert_display(bool yesno)
+{
+ if (yesno)
+ lcd_write_command(LCD_SET_REVERSE_DISPLAY);
+ else
+ lcd_write_command(LCD_SET_NORMAL_DISPLAY);
+}
+
+/* turn the display upside down (call lcd_update() afterwards) */
+void lcd_set_flip(bool yesno)
+{
+ (void)yesno;
+ /* TODO */
+}
+
+
+/*** Update functions ***/
+
+/* Performance function that works with an external buffer
+ note that by and bheight are in 8-pixel units! */
+void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
+ int bheight, int stride)
+{
+ /* Copy display bitmap to hardware */
+ while (bheight--)
+ {
+ lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf));
+ lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset)>>4) & 0xf));
+ lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf));
+
+ lcd_write_data(data, width);
+ data += stride;
+ }
+}
+
+
+/* Performance function that works with an external buffer
+ note that by and bheight are in 8-pixel units! */
+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;
+}
+
+/* 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;
+
+ /* Copy display bitmap to hardware */
+ for (y = 0; y < LCD_FBHEIGHT; y++)
+ {
+ lcd_write_command (LCD_CNTL_PAGE | (y & 0xf));
+ lcd_write_command (LCD_CNTL_HIGHCOL | ((xoffset >> 4) & 0xf));
+ lcd_write_command (LCD_CNTL_LOWCOL | (xoffset & 0xf));
+
+ 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;
+
+ /* 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_CNTL_PAGE | (y & 0xf));
+ lcd_write_command (LCD_CNTL_HIGHCOL | (((x+xoffset) >> 4) & 0xf));
+ lcd_write_command (LCD_CNTL_LOWCOL | ((x+xoffset) & 0xf));
+
+ lcd_write_data (&lcd_framebuffer[y][x], width);
+ }
+}