diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio/x5/lcd-x5.c')
| -rwxr-xr-x | firmware/target/coldfire/iaudio/x5/lcd-x5.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/x5/lcd-x5.c b/firmware/target/coldfire/iaudio/x5/lcd-x5.c new file mode 100755 index 0000000000..81ceee67e9 --- /dev/null +++ b/firmware/target/coldfire/iaudio/x5/lcd-x5.c @@ -0,0 +1,299 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2004 by Linus Nielsen Feltzing + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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 "thread.h" +#include <string.h> +#include <stdlib.h> +#include "file.h" +#include "debug.h" +#include "system.h" +#include "font.h" +#include "bidi.h" + +static bool display_on=false; /* is the display turned on? */ + +/* register defines for the Renesas HD66773R */ +#define R_HORIZ_RAM_ADDR_POS 0x16 +#define R_VERT_RAM_ADDR_POS 0x17 +#define R_RAM_ADDR_SET 0x21 +#define R_WRITE_DATA_2_GRAM 0x22 + +/* Lookup tables for 16->18bit conversion */ +short low8to9[] = { + 0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007, 0x010, 0x011, 0x012, + 0x013, 0x014, 0x015, 0x016, 0x017, 0x020, 0x021, 0x022, 0x023, 0x024, 0x025, + 0x026, 0x027, 0x030, 0x031, 0x032, 0x033, 0x034, 0x035, 0x036, 0x037, 0x040, + 0x041, 0x042, 0x043, 0x044, 0x045, 0x046, 0x047, 0x050, 0x051, 0x052, 0x053, + 0x054, 0x055, 0x056, 0x057, 0x060, 0x061, 0x062, 0x063, 0x064, 0x065, 0x066, + 0x067, 0x070, 0x071, 0x072, 0x073, 0x074, 0x075, 0x076, 0x077, 0x080, 0x081, + 0x082, 0x083, 0x084, 0x085, 0x086, 0x087, 0x090, 0x091, 0x092, 0x093, 0x094, + 0x095, 0x096, 0x097, 0x0a0, 0x0a1, 0x0a2, 0x0a3, 0x0a4, 0x0a5, 0x0a6, 0x0a7, + 0x0b0, 0x0b1, 0x0b2, 0x0b3, 0x0b4, 0x0b5, 0x0b6, 0x0b7, 0x0c0, 0x0c1, 0x0c2, + 0x0c3, 0x0c4, 0x0c5, 0x0c6, 0x0c7, 0x0d0, 0x0d1, 0x0d2, 0x0d3, 0x0d4, 0x0d5, + 0x0d6, 0x0d7, 0x0e0, 0x0e1, 0x0e2, 0x0e3, 0x0e4, 0x0e5, 0x0e6, 0x0e7, 0x0f0, + 0x0f1, 0x0f2, 0x0f3, 0x0f4, 0x0f5, 0x0f6, 0x0f7, 0x100, 0x101, 0x102, 0x103, + 0x104, 0x105, 0x106, 0x107, 0x110, 0x111, 0x112, 0x113, 0x114, 0x115, 0x116, + 0x117, 0x120, 0x121, 0x122, 0x123, 0x124, 0x125, 0x126, 0x127, 0x130, 0x131, + 0x132, 0x133, 0x134, 0x135, 0x136, 0x137, 0x140, 0x141, 0x142, 0x143, 0x144, + 0x145, 0x146, 0x147, 0x150, 0x151, 0x152, 0x153, 0x154, 0x155, 0x156, 0x157, + 0x160, 0x161, 0x162, 0x163, 0x164, 0x165, 0x166, 0x167, 0x170, 0x171, 0x172, + 0x173, 0x174, 0x175, 0x176, 0x177, 0x180, 0x181, 0x182, 0x183, 0x184, 0x185, + 0x186, 0x187, 0x190, 0x191, 0x192, 0x193, 0x194, 0x195, 0x196, 0x197, 0x1a0, + 0x1a1, 0x1a2, 0x1a3, 0x1a4, 0x1a5, 0x1a6, 0x1a7, 0x1b0, 0x1b1, 0x1b2, 0x1b3, + 0x1b4, 0x1b5, 0x1b6, 0x1b7, 0x1c0, 0x1c1, 0x1c2, 0x1c3, 0x1c4, 0x1c5, 0x1c6, + 0x1c7, 0x1d0, 0x1d1, 0x1d2, 0x1d3, 0x1d4, 0x1d5, 0x1d6, 0x1d7, 0x1e0, 0x1e1, + 0x1e2, 0x1e3, 0x1e4, 0x1e5, 0x1e6, 0x1e7, 0x1f0, 0x1f1, 0x1f2, 0x1f3, 0x1f4, + 0x1f5, 0x1f6, 0x1f7, +}; +short high8to9[] = { + 0x000, 0x002, 0x004, 0x006, 0x008, 0x00a, 0x00c, 0x00e, 0x010, 0x012, 0x014, + 0x016, 0x018, 0x01a, 0x01c, 0x01e, 0x020, 0x022, 0x024, 0x026, 0x028, 0x02a, + 0x02c, 0x02e, 0x030, 0x032, 0x034, 0x036, 0x038, 0x03a, 0x03c, 0x03e, 0x040, + 0x042, 0x044, 0x046, 0x048, 0x04a, 0x04c, 0x04e, 0x050, 0x052, 0x054, 0x056, + 0x058, 0x05a, 0x05c, 0x05e, 0x060, 0x062, 0x064, 0x066, 0x068, 0x06a, 0x06c, + 0x06e, 0x070, 0x072, 0x074, 0x076, 0x078, 0x07a, 0x07c, 0x07e, 0x080, 0x082, + 0x084, 0x086, 0x088, 0x08a, 0x08c, 0x08e, 0x090, 0x092, 0x094, 0x096, 0x098, + 0x09a, 0x09c, 0x09e, 0x0a0, 0x0a2, 0x0a4, 0x0a6, 0x0a8, 0x0aa, 0x0ac, 0x0ae, + 0x0b0, 0x0b2, 0x0b4, 0x0b6, 0x0b8, 0x0ba, 0x0bc, 0x0be, 0x0c0, 0x0c2, 0x0c4, + 0x0c6, 0x0c8, 0x0ca, 0x0cc, 0x0ce, 0x0d0, 0x0d2, 0x0d4, 0x0d6, 0x0d8, 0x0da, + 0x0dc, 0x0de, 0x0e0, 0x0e2, 0x0e4, 0x0e6, 0x0e8, 0x0ea, 0x0ec, 0x0ee, 0x0f0, + 0x0f2, 0x0f4, 0x0f6, 0x0f8, 0x0fa, 0x0fc, 0x0fe, 0x100, 0x102, 0x104, 0x106, + 0x108, 0x10a, 0x10c, 0x10e, 0x110, 0x112, 0x114, 0x116, 0x118, 0x11a, 0x11c, + 0x11e, 0x120, 0x122, 0x124, 0x126, 0x128, 0x12a, 0x12c, 0x12e, 0x130, 0x132, + 0x134, 0x136, 0x138, 0x13a, 0x13c, 0x13e, 0x140, 0x142, 0x144, 0x146, 0x148, + 0x14a, 0x14c, 0x14e, 0x150, 0x152, 0x154, 0x156, 0x158, 0x15a, 0x15c, 0x15e, + 0x160, 0x162, 0x164, 0x166, 0x168, 0x16a, 0x16c, 0x16e, 0x170, 0x172, 0x174, + 0x176, 0x178, 0x17a, 0x17c, 0x17e, 0x180, 0x182, 0x184, 0x186, 0x188, 0x18a, + 0x18c, 0x18e, 0x190, 0x192, 0x194, 0x196, 0x198, 0x19a, 0x19c, 0x19e, 0x1a0, + 0x1a2, 0x1a4, 0x1a6, 0x1a8, 0x1aa, 0x1ac, 0x1ae, 0x1b0, 0x1b2, 0x1b4, 0x1b6, + 0x1b8, 0x1ba, 0x1bc, 0x1be, 0x1c0, 0x1c2, 0x1c4, 0x1c6, 0x1c8, 0x1ca, 0x1cc, + 0x1ce, 0x1d0, 0x1d2, 0x1d4, 0x1d6, 0x1d8, 0x1da, 0x1dc, 0x1de, 0x1e0, 0x1e2, + 0x1e4, 0x1e6, 0x1e8, 0x1ea, 0x1ec, 0x1ee, 0x1f0, 0x1f2, 0x1f4, 0x1f6, 0x1f8, + 0x1fa, 0x1fc, 0x1fe, +}; + +/* called very frequently - inline! */ +inline void lcd_write_reg(int reg, int val) +{ + *(volatile unsigned short *)0xf0008000 = (reg >> 8) << 1; + *(volatile unsigned short *)0xf0008000 = (reg & 0xff) << 1; + *(volatile unsigned short *)0xf0008002 = (val >> 8) << 1; + *(volatile unsigned short *)0xf0008002 = (val & 0xff) << 1; +} + +/* called very frequently - inline! */ +inline void lcd_begin_write_gram(void) +{ + *(volatile unsigned short *)0xf0008000 = (R_WRITE_DATA_2_GRAM >> 8) << 1; + *(volatile unsigned short *)0xf0008000 = (R_WRITE_DATA_2_GRAM & 0xff) << 1; +} + +/* called very frequently - inline! */ +inline void lcd_write_data(const unsigned short* p_bytes, int count) ICODE_ATTR; +inline void lcd_write_data(const unsigned short* p_bytes, int count) +{ + unsigned short tmp; + while(count--) { + tmp = *p_bytes++; + *(volatile unsigned short *)0xf0008002 = high8to9[tmp >> 8]; + *(volatile unsigned short *)0xf0008002 = low8to9[tmp&255]; + } +} + +/*** hardware configuration ***/ + +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; +} + +/* Rolls up the lcd display by the specified amount of lines. + * Lines that are rolled out over the top of the screen are + * rolled in from the bottom again. This is a hardware + * remapping only and all operations on the lcd are affected. + * -> + * @param int lines - The number of lines that are rolled. + * The value must be 0 <= pixels < LCD_HEIGHT. */ +void lcd_roll(int lines) +{ + (void)lines; +} + +/* LCD init + * These settings are taken from the original X5 firmware + */ +void lcd_init_device(void) +{ + display_on=true; + + /* LCD Reset */ + and_l(~0x00000010, &GPIO1_OUT); + or_l(0x00000010, &GPIO1_ENABLE); + or_l(0x00000010, &GPIO1_FUNCTION); + sleep(HZ/100); + or_l(0x00000010, &GPIO1_OUT); + + sleep(HZ/100); + + lcd_write_reg(0, 0x0001); + + sleep(HZ/50); + + lcd_write_reg(0x0d, 0x0401); + lcd_write_reg(0x0e, 0x321e); + lcd_write_reg(0x01, 0x0113); + lcd_write_reg(0x02, 0x0700); + lcd_write_reg(0x05, 0x9018); + lcd_write_reg(0x06, 0x0000); + lcd_write_reg(0x0b, 0x4000); + + sleep(HZ/100); + + lcd_write_reg(0x21,0x0000); + lcd_write_reg(0x30,0x0003); + lcd_write_reg(0x31,0x0400); + lcd_write_reg(0x32,0x0407); + lcd_write_reg(0x33,0x0305); + lcd_write_reg(0x34,0x0003); + lcd_write_reg(0x35,0x0704); + lcd_write_reg(0x36,0x0407); + lcd_write_reg(0x37,0x0503); + lcd_write_reg(0x0f,0x0000); + lcd_write_reg(0x11,0x0000); + lcd_write_reg(0x14,0x9f00); + lcd_write_reg(0x15,0x5c00); + lcd_write_reg(0x16,0x7f00); + lcd_write_reg(0x17,0x9f00); + lcd_write_reg(0x3a,0x1409); + lcd_write_reg(0x3b,0x0602); + + lcd_write_reg(0x0c,0x0001); + + sleep(HZ/25); + + lcd_write_reg(0x03,0x002c); + lcd_write_reg(0x04,0x8000); + + sleep(HZ/25); + + lcd_write_reg(0x0e,0x3318); + + sleep(HZ/25); + + lcd_write_reg(0x0d,0x0411); + + sleep(HZ/100); + + lcd_write_reg(0x07,0x0006); + lcd_write_reg(0x07,0x036); + lcd_write_reg(0x07,0x037); + lcd_write_reg(0x07,0x0037); + return; +} + +void lcd_enable(bool on) +{ + display_on = on; +} + +/*** update functions ***/ + +/* Performance function that works with an external buffer + note that by and bheight are in 8-pixel units! */ +void lcd_blit(const fb_data* data, int x, int by, int width, + int bheight, int stride) +{ + /* TODO: Implement lcd_blit() */ + (void)data; + (void)x; + (void)by; + (void)width; + (void)bheight; + (void)stride; + /*if(display_on)*/ +} + + +/* 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) +{ + if(display_on){ + + /* Copy display bitmap to hardware */ + lcd_write_reg(R_RAM_ADDR_SET, 0x0000); + lcd_begin_write_gram(); + lcd_write_data((unsigned short *)lcd_framebuffer, LCD_WIDTH*LCD_HEIGHT); + } +} + +/* 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) +{ + if(display_on) { + int ymax = y + height; + + 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_HEIGHT) + ymax = LCD_HEIGHT-1; + + /* set update window */ + + /* horiz ram addr */ + lcd_write_reg(R_HORIZ_RAM_ADDR_POS, (ymax<<8) | y); + + /* vert ram addr */ + lcd_write_reg(R_VERT_RAM_ADDR_POS,((x+width-1)<<8) | x); + lcd_write_reg(R_RAM_ADDR_SET, (x<<8) | y); + lcd_begin_write_gram(); + + /* Copy specified rectangle bitmap to hardware */ + for (; y <= ymax; y++) + { + lcd_write_data ((unsigned short *)&lcd_framebuffer[y][x], width); + } + + /* reset update window */ + /* horiz ram addr: 0 - 175 */ + lcd_write_reg(R_HORIZ_RAM_ADDR_POS, 0xaf00); + + /* vert ram addr: 0 - 219 */ + lcd_write_reg(R_VERT_RAM_ADDR_POS, 0xdb00); + } +} |