/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Copyright (C) 2021 Aidan MacDonald * * 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 "lcd.h" #include "system.h" #include "lcd-x1000.h" #include "gpio-x1000.h" /* LCD controller is probably an RM68090. */ static const uint32_t q1_lcd_cmd_enable[] = { LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0xbe, LCD_INSTR_DAT, 0xc3, LCD_INSTR_DAT, 0x29, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x01, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x04, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x02, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x03, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x10, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x05, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x06, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x07, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x03, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x08, LCD_INSTR_DAT, 0x03, LCD_INSTR_DAT, 0x03, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x0d, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x10, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0xc1, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x11, LCD_INSTR_DAT, 0xb1, LCD_INSTR_DAT, 0x08, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x12, LCD_INSTR_DAT, 0xb1, LCD_INSTR_DAT, 0x08, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x13, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x0f, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x14, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x14, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x15, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x04, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x16, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x22, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x23, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x30, LCD_INSTR_DAT, 0x7c, LCD_INSTR_DAT, 0x3f, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x32, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x70, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x01, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x91, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0xe0, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x01, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0xe1, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x61, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x00, LCD_INSTR_DAT, 0x10, LCD_INSTR_DAT, 0x30, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x01, LCD_INSTR_DAT, 0xf6, LCD_INSTR_DAT, 0x3f, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x02, LCD_INSTR_DAT, 0x50, LCD_INSTR_DAT, 0x1f, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x03, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x30, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x08, LCD_INSTR_DAT, 0x03, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x11, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x01, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x35, LCD_INSTR_DAT, 0x76, LCD_INSTR_DAT, 0x66, LCD_INSTR_CMD, 0x01, LCD_INSTR_CMD, 0x39, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x26, LCD_INSTR_CMD, 0x04, LCD_INSTR_CMD, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0xc7, LCD_INSTR_CMD, 0x04, LCD_INSTR_CMD, 0x01, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x06, LCD_INSTR_CMD, 0x06, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x00, LCD_INSTR_DAT, 0x0d, LCD_INSTR_DAT, 0x0e, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x01, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x03, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x02, LCD_INSTR_DAT, 0x08, LCD_INSTR_DAT, 0x08, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x03, LCD_INSTR_DAT, 0x02, LCD_INSTR_DAT, 0x01, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x04, LCD_INSTR_DAT, 0x03, LCD_INSTR_DAT, 0x01, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x05, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x04, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x06, LCD_INSTR_DAT, 0x1b, LCD_INSTR_DAT, 0x21, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x07, LCD_INSTR_DAT, 0x0f, LCD_INSTR_DAT, 0x0e, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x08, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x04, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x09, LCD_INSTR_DAT, 0x08, LCD_INSTR_DAT, 0x08, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x0a, LCD_INSTR_DAT, 0x02, LCD_INSTR_DAT, 0x01, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x0b, LCD_INSTR_DAT, 0x03, LCD_INSTR_DAT, 0x01, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x0c, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x03, LCD_INSTR_CMD, 0x03, LCD_INSTR_CMD, 0x0d, LCD_INSTR_DAT, 0x31, LCD_INSTR_DAT, 0x34, /* X start */ LCD_INSTR_CMD, 0x02, LCD_INSTR_CMD, 0x10, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x1e, /* 30 */ /* X end */ LCD_INSTR_CMD, 0x02, LCD_INSTR_CMD, 0x11, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x85, /* 389 */ /* Y start */ LCD_INSTR_CMD, 0x02, LCD_INSTR_CMD, 0x12, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, /* 0 */ /* Y end */ LCD_INSTR_CMD, 0x02, LCD_INSTR_CMD, 0x13, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x8f, /* 399 */ /* RAM write start X? */ LCD_INSTR_CMD, 0x02, LCD_INSTR_CMD, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x1e, /* RAM write start Y? */ LCD_INSTR_CMD, 0x02, LCD_INSTR_CMD, 0x01, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x00, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x03, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x30, LCD_INSTR_CMD, 0x02, LCD_INSTR_CMD, 0x02, LCD_INSTR_END, }; /* NOTE this sleep mode may not be saving power, but it gets rid of the * ghost image that would otherwise remain on the display */ static const uint32_t q1_lcd_cmd_sleep[] = { LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x10, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0x03, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x07, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x01, LCD_INSTR_END, }; static const uint32_t q1_lcd_cmd_wake[] = { LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x07, LCD_INSTR_DAT, 0x01, LCD_INSTR_DAT, 0x03, LCD_INSTR_CMD, 0x00, LCD_INSTR_CMD, 0x10, LCD_INSTR_DAT, 0x00, LCD_INSTR_DAT, 0xc1, LCD_INSTR_END, }; static const uint8_t __attribute__((aligned(64))) q1_lcd_dma_wr_cmd[] = {0x02, 0x02, 0x02, 0x02}; const struct lcd_tgt_config lcd_tgt_config = { .bus_width = 8, .cmd_width = 8, .use_6800_mode = 0, .use_serial = 0, .clk_polarity = 0, .dc_polarity = 0, .wr_polarity = 1, .te_enable = 0, .big_endian = 1, .dma_wr_cmd_buf = &q1_lcd_dma_wr_cmd, .dma_wr_cmd_size = sizeof(q1_lcd_dma_wr_cmd), }; void lcd_tgt_enable(bool enable) { if(enable) { /* power on the panel */ gpio_set_level(GPIO_LCD_PWR, 1); gpio_set_level(GPIO_LCD_RST, 1); gpio_set_level(GPIO_LCD_CE, 1); gpio_set_level(GPIO_LCD_RD, 1); mdelay(50); gpio_set_level(GPIO_LCD_RST, 0); mdelay(100); gpio_set_level(GPIO_LCD_RST, 1); mdelay(50); gpio_set_level(GPIO_LCD_CE, 0); /* Start the controller */ lcd_set_clock(X1000_CLK_MPLL, 50000000); lcd_exec_commands(q1_lcd_cmd_enable); } else { /* FIXME: Shanling Q1 LCD power down sequence * not important because we don't use it but it'd be nice to know */ } } void lcd_tgt_sleep(bool sleep) { if(sleep) lcd_exec_commands(q1_lcd_cmd_sleep); else lcd_exec_commands(q1_lcd_cmd_wake); }