192 lines
5.7 KiB
C
192 lines
5.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2021 Aidan MacDonald
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "lcd.h"
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#include "kernel.h"
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#include "lcd-x1000.h"
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#include "gpio-x1000.h"
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#include "system.h"
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#define CS_PIN (1 << 18)
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#define RD_PIN (1 << 16)
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static const uint32_t fiio_lcd_cmd_enable[] = {
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/* Software reset */
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LCD_INSTR_CMD, 0x01,
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LCD_INSTR_UDELAY, 120000,
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/* Sleep out */
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LCD_INSTR_CMD, 0x11,
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LCD_INSTR_UDELAY, 5000,
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/* Memory access order */
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LCD_INSTR_CMD, 0x36,
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LCD_INSTR_DAT, 0x00,
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/* Row and column address set */
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LCD_INSTR_CMD, 0x2a,
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LCD_INSTR_DAT, 0x00,
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LCD_INSTR_DAT, 0x00,
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LCD_INSTR_DAT, (LCD_WIDTH >> 8) & 0xff,
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LCD_INSTR_DAT, (LCD_WIDTH & 0xff),
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LCD_INSTR_CMD, 0x2b,
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LCD_INSTR_DAT, 0x00,
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LCD_INSTR_DAT, 0x00,
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LCD_INSTR_DAT, (LCD_HEIGHT >> 8) & 0xff,
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LCD_INSTR_DAT, (LCD_HEIGHT & 0xff),
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/* Interface pixel format */
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LCD_INSTR_CMD, 0x3a,
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LCD_INSTR_DAT, 0x05,
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/* Enable display inversion */
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LCD_INSTR_CMD, 0x21,
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/* Porch setting */
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LCD_INSTR_CMD, 0xb2,
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LCD_INSTR_DAT, 0x0c,
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LCD_INSTR_DAT, 0x0c,
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LCD_INSTR_DAT, 0x00,
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LCD_INSTR_DAT, 0x33,
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LCD_INSTR_DAT, 0x33,
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/* Gate control */
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LCD_INSTR_CMD, 0xb7,
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LCD_INSTR_DAT, 0x35,
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/* VCOM setting */
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LCD_INSTR_CMD, 0xbb,
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LCD_INSTR_DAT, 0x1f,
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/* Backlight control 5 */
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LCD_INSTR_CMD, 0xbc,
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LCD_INSTR_DAT, 0xec,
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/* Backlight control 6 */
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LCD_INSTR_CMD, 0xbd,
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LCD_INSTR_DAT, 0xfe,
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/* Voltage settings */
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LCD_INSTR_CMD, 0xc2,
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LCD_INSTR_DAT, 0x01,
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LCD_INSTR_CMD, 0xc3,
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LCD_INSTR_DAT, 0x19,
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LCD_INSTR_CMD, 0xc4,
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LCD_INSTR_DAT, 0x20,
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/* Frame rate control */
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LCD_INSTR_CMD, 0xc6,
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LCD_INSTR_DAT, 0x0f, /* = 60 fps */
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/* Power control 1 */
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LCD_INSTR_CMD, 0xd0,
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LCD_INSTR_DAT, 0xa4,
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LCD_INSTR_DAT, 0xa1,
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/* d6 Unknown */
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LCD_INSTR_CMD, 0xd6,
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LCD_INSTR_DAT, 0xa1,
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/* Positive gamma correction */
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LCD_INSTR_CMD, 0xe0,
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LCD_INSTR_DAT, 0xd0,
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LCD_INSTR_DAT, 0x06,
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LCD_INSTR_DAT, 0x0c,
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LCD_INSTR_DAT, 0x0a,
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LCD_INSTR_DAT, 0x09,
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LCD_INSTR_DAT, 0x0a,
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LCD_INSTR_DAT, 0x32,
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LCD_INSTR_DAT, 0x33,
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LCD_INSTR_DAT, 0x49,
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LCD_INSTR_DAT, 0x19,
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LCD_INSTR_DAT, 0x14,
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LCD_INSTR_DAT, 0x15,
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LCD_INSTR_DAT, 0x2b,
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LCD_INSTR_DAT, 0x34,
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/* Negative gamma correction */
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LCD_INSTR_CMD, 0xe1,
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LCD_INSTR_DAT, 0xd0,
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LCD_INSTR_DAT, 0x06,
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LCD_INSTR_DAT, 0x0c,
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LCD_INSTR_DAT, 0x0a,
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LCD_INSTR_DAT, 0x09,
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LCD_INSTR_DAT, 0x11,
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LCD_INSTR_DAT, 0x37,
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LCD_INSTR_DAT, 0x33,
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LCD_INSTR_DAT, 0x49,
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LCD_INSTR_DAT, 0x19,
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LCD_INSTR_DAT, 0x14,
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LCD_INSTR_DAT, 0x15,
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LCD_INSTR_DAT, 0x2d,
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LCD_INSTR_DAT, 0x34,
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/* Tearing effect line ON, mode=0 (vsync signal) */
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LCD_INSTR_CMD, 0x35,
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LCD_INSTR_DAT, 0x00,
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/* Display ON */
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LCD_INSTR_CMD, 0x29,
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LCD_INSTR_END,
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};
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static const uint32_t fiio_lcd_cmd_sleep[] = {
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/* Display OFF */
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LCD_INSTR_CMD, 0x28,
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/* Sleep IN */
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LCD_INSTR_CMD, 0x10,
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LCD_INSTR_UDELAY, 5000,
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LCD_INSTR_END,
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};
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static const uint32_t fiio_lcd_cmd_wake[] = {
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/* Sleep OUT */
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LCD_INSTR_CMD, 0x11,
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LCD_INSTR_UDELAY, 5000,
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/* Display ON */
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LCD_INSTR_CMD, 0x29,
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LCD_INSTR_END,
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};
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static const uint8_t __attribute__((aligned(64)))
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fiio_lcd_dma_wr_cmd[] = {0x00, 0x00, 0x00, 0x2c};
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const struct lcd_tgt_config lcd_tgt_config = {
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.bus_width = 16,
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.cmd_width = 8,
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.use_6800_mode = 0,
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.use_serial = 0,
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.clk_polarity = 0,
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.dc_polarity = 0,
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.wr_polarity = 1,
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.te_enable = 1,
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.te_polarity = 1,
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.te_narrow = 0,
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.dma_wr_cmd_buf = &fiio_lcd_dma_wr_cmd,
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.dma_wr_cmd_size = sizeof(fiio_lcd_dma_wr_cmd),
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};
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void lcd_tgt_enable(bool enable)
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{
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if(enable) {
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gpio_config(GPIO_A, 0xffff, GPIO_DEVICE(1));
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gpio_config(GPIO_B, 0x1f << 16, GPIO_DEVICE(1));
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gpio_config(GPIO_B, CS_PIN|RD_PIN, GPIO_OUTPUT(1));
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mdelay(5);
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gpio_out_level(GPIO_B, CS_PIN, 0);
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lcd_set_clock(X1000_CLK_SCLK_A, 30000000);
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lcd_exec_commands(&fiio_lcd_cmd_enable[0]);
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} else {
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lcd_exec_commands(&fiio_lcd_cmd_sleep[0]);
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mdelay(115); /* ensure we wait a total of 120ms before power off */
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gpio_config(GPIO_B, CS_PIN|RD_PIN, 0);
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}
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}
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void lcd_tgt_sleep(bool sleep)
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{
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if(sleep)
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lcd_exec_commands(&fiio_lcd_cmd_sleep[0]);
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else
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lcd_exec_commands(&fiio_lcd_cmd_wake[0]);
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}
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