/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2004 by Linus Nielsen Feltzing * * 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. * ****************************************************************************/ /* Thanks Hein-Pieter van Braam for initial work. Mostly based on lcd-h300.c, adapted for the iaudio 7 by Vitja Makarov */ #include #include #include #include #include #include #include "hd66789r.h" static bool display_on = false; /* is the display turned on? */ static inline void lcd_write_reg(int reg, int data) { GPIOA &= ~0x400; outw(0, 0x50010000); outw(reg << 1, 0x50010000); GPIOA |= 0x400; outw((data & 0xff00) >> 7, 0x50010008); outw((data << 24) >> 23, 0x50010008); } static void lcd_write_cmd(int reg) { GPIOA &= ~0x400; outw(0, 0x50010000); outw(reg << 1, 0x50010000); GPIOA |= 0x400; } /* Do what OF do */ static void lcd_delay(int x) { int i; x *= 0xc35; for (i = 0; i < x * 8; i++) { } } static void _display_on(void) { GPIOA_DIR |= 0x8000 | 0x400; GPIOA |= 0x8000; /* power setup */ lcd_write_reg(R_START_OSC, 0x0001); lcd_delay(0xf); lcd_write_reg(R_DISP_CONTROL1, 0x000); lcd_delay(0xa); lcd_write_reg(R_POWER_CONTROL2, 0x0002); lcd_write_reg(R_POWER_CONTROL3, 0x000a); lcd_write_reg(R_POWER_CONTROL4, 0xc5a); lcd_write_reg(R_POWER_CONTROL1, 0x0004); lcd_write_reg(R_POWER_CONTROL1, 0x0134); lcd_write_reg(R_POWER_CONTROL2, 0x0111); lcd_write_reg(R_POWER_CONTROL3, 0x001c); lcd_delay(0x28); lcd_write_reg(R_POWER_CONTROL4, 0x2c40); lcd_write_reg(R_POWER_CONTROL1, 0x0510); lcd_delay(0x3c); /* lcd init 2 */ lcd_write_reg(R_DRV_OUTPUT_CONTROL, 0x0113); lcd_write_reg(R_DRV_WAVEFORM_CONTROL, 0x0700); lcd_write_reg(R_ENTRY_MODE, 0x1038); lcd_write_reg(R_DISP_CONTROL2, 0x0508); // 0x3c8, TMM lcd_write_reg(R_DISP_CONTROL3, 0x0000); lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x0003); lcd_write_reg(R_RAM_ADDR_SET, 0x0000); lcd_write_reg(R_GAMMA_FINE_ADJ_POS1, 0x0406); lcd_write_reg(R_GAMMA_FINE_ADJ_POS2, 0x0303); lcd_write_reg(R_GAMMA_FINE_ADJ_POS3, 0x0000); lcd_write_reg(R_GAMMA_GRAD_ADJ_POS, 0x0305); lcd_write_reg(R_GAMMA_FINE_ADJ_NEG1, 0x0404); lcd_write_reg(R_GAMMA_FINE_ADJ_NEG2, 0x0000); lcd_write_reg(R_GAMMA_FINE_ADJ_NEG3, 0x0000); lcd_write_reg(R_GAMMA_GRAD_ADJ_NEG, 0x0503); lcd_write_reg(R_GAMMA_AMP_ADJ_RES_POS, 0x1d05); lcd_write_reg(R_GAMMA_AMP_AVG_ADJ_RES_NEG, 0x1d05); lcd_write_reg(R_VERT_SCROLL_CONTROL, 0x0000); lcd_write_reg(R_1ST_SCR_DRV_POS, 0x9f00); lcd_write_reg(R_2ND_SCR_DRV_POS, 0x9f00); lcd_write_reg(R_HORIZ_RAM_ADDR_POS, 0x7f00); lcd_write_reg(R_VERT_RAM_ADDR_POS, 0x9f00); /* lcd init 3 */ lcd_write_reg(R_POWER_CONTROL1, 0x4510); lcd_write_reg(R_DISP_CONTROL1, 0x0005); lcd_delay(0x28); lcd_write_reg(R_DISP_CONTROL1, 0x0025); lcd_write_reg(R_DISP_CONTROL1, 0x0027); lcd_delay(0x28); lcd_write_reg(R_DISP_CONTROL1, 0x0037); display_on = true; } void lcd_init_device(void) { /* Configure external memory banks */ CSCFG1 = 0x3d500023; /* may be reset */ GPIOA |= 0x8000; _display_on(); } void lcd_enable(bool on) { if (display_on == on) return; if (on) { _display_on(); lcd_call_enable_hook(); } else { /** Off sequence according to datasheet, p. 130 **/ lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x0002); /* EQ=0, 18 clks/line */ lcd_write_reg(R_DISP_CONTROL1, 0x0036); /* GON=1, DTE=1, REV=1, D1-0=10 */ sleep(2); lcd_write_reg(R_DISP_CONTROL1, 0x0026); /* GON=1, DTE=0, REV=1, D1-0=10 */ sleep(2); lcd_write_reg(R_DISP_CONTROL1, 0x0000); /* GON=0, DTE=0, D1-0=00 */ lcd_write_reg(R_POWER_CONTROL1, 0x0000); /* SAP2-0=000, AP2-0=000 */ lcd_write_reg(R_POWER_CONTROL3, 0x0000); /* PON=0 */ lcd_write_reg(R_POWER_CONTROL4, 0x0000); /* VCOMG=0 */ /* datasheet p. 131 */ lcd_write_reg(R_POWER_CONTROL1, 0x0001); /* STB=1: standby mode */ display_on = false; } } bool lcd_enabled(void) { return display_on; } #define RGB(r,g,b) ((((r)&0x3f) << 12)|(((g)&0x3f) << 6)|(((b)&0x3f))) void lcd_update(void) { lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); } /* todo: need tests */ void lcd_update_rect(int sx, int sy, int width, int height) { int x, y; if (!display_on) return; if (width <= 0 || height <= 0) /* nothing to do */ return; width += sx; height += sy; if (width > LCD_WIDTH) width = LCD_WIDTH; if (height > LCD_HEIGHT) height = LCD_HEIGHT; lcd_write_reg(R_ENTRY_MODE, 0x1028); /* set update window */ lcd_write_reg(R_HORIZ_RAM_ADDR_POS, (LCD_HEIGHT - 1) << 8); lcd_write_reg(R_VERT_RAM_ADDR_POS, ((width - 1) << 8) | sx); lcd_write_reg(R_RAM_ADDR_SET, (sx << 8) | (LCD_HEIGHT - sy - 1)); lcd_write_cmd(R_WRITE_DATA_2_GRAM); for (y = sy; y < height; y++) { for (x = sx; x < width; x++) { fb_data c; unsigned long color; c = lcd_framebuffer[y][x]; color = ((c & 0x1f) << 1) | ((c & 0x7e0) << 1) | ((c & 0xf800) << 2); /* TODO: our color is 18-bit */ outw((color >> 9) & 0x1ff, 0x50010008); outw((color) & 0x1ff, 0x50010008); } } } void lcd_set_contrast(int val) { (void) val; } void lcd_set_invert_display(bool yesno) { (void) yesno; } void lcd_set_flip(bool yesno) { (void) yesno; } /* TODO: implement me */ void lcd_blit_yuv(unsigned char *const src[3], int src_x, int src_y, int stride, int x, int y, int width, int height) { (void) src; (void) src_x; (void) src_y; (void) stride; (void) x; (void) y; if (!display_on) return; width &= ~1; /* stay on the safe side */ height &= ~1; panicf("%s", __func__); }