/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2013 embedded brains GmbH. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <bsp/arm-pl111-fb.h>
#include <bsp.h>
#include <bsp/fatal.h>
#include <bsp/io.h>
#include <bsp/lcd.h>
#include <bsp/lpc24xx.h>
static const lpc24xx_pin_range tft_16_bit_5_6_5_pins[] = {
LPC24XX_PIN_LCD_DCLK,
LPC24XX_PIN_LCD_FP,
LPC24XX_PIN_LCD_LP,
LPC24XX_PIN_LCD_VD_3_P4_29,
LPC24XX_PIN_LCD_VD_4_P2_6,
LPC24XX_PIN_LCD_VD_5_P2_7,
LPC24XX_PIN_LCD_VD_6_P2_8,
LPC24XX_PIN_LCD_VD_7_P2_9,
LPC24XX_PIN_LCD_VD_10_P1_20,
LPC24XX_PIN_LCD_VD_11_P1_21,
LPC24XX_PIN_LCD_VD_12_P1_22,
LPC24XX_PIN_LCD_VD_13_P1_23,
LPC24XX_PIN_LCD_VD_14_P1_24,
LPC24XX_PIN_LCD_VD_15_P1_25,
LPC24XX_PIN_LCD_VD_19_P2_13,
LPC24XX_PIN_LCD_VD_20_P1_26,
LPC24XX_PIN_LCD_VD_21_P1_27,
LPC24XX_PIN_LCD_VD_22_P1_28,
LPC24XX_PIN_LCD_VD_23_P1_29,
LPC24XX_PIN_TERMINAL
};
static void fb_set_up(const pl111_fb_config *cfg)
{
rtems_status_code sc;
sc = lpc24xx_module_enable(LPC24XX_MODULE_LCD, LPC24XX_MODULE_PCLK_DEFAULT);
if (sc != RTEMS_SUCCESSFUL) {
bsp_fatal(LPC24XX_FATAL_PL111_SET_UP);
}
#ifdef ARM_MULTILIB_ARCH_V4
PINSEL11 = BSP_FLD32(LCD_MODE_TFT_16_BIT_5_6_5, 1, 3) | BSP_BIT32(0);
#endif
#ifdef ARM_MULTILIB_ARCH_V7M
volatile lpc17xx_scb *scb = &LPC17XX_SCB;
scb->matrixarb = 0x0c09;
#endif
}
static void fb_pins_set_up(const pl111_fb_config *cfg)
{
rtems_status_code sc;
sc = lpc24xx_pin_config(tft_16_bit_5_6_5_pins, LPC24XX_PIN_SET_FUNCTION);
if (sc != RTEMS_SUCCESSFUL) {
bsp_fatal(LPC24XX_FATAL_PL111_PINS_SET_UP);
}
}
static void fb_pins_tear_down(const pl111_fb_config *cfg)
{
rtems_status_code sc;
sc = lpc24xx_pin_config(tft_16_bit_5_6_5_pins, LPC24XX_PIN_SET_INPUT);
if (sc != RTEMS_SUCCESSFUL) {
bsp_fatal(LPC24XX_FATAL_PL111_PINS_TEAR_DOWN);
}
}
static void fb_tear_down(const pl111_fb_config *cfg)
{
rtems_status_code sc;
#ifdef ARM_MULTILIB_ARCH_V4
PINSEL11 = 0;
#endif
sc = lpc24xx_module_disable(LPC24XX_MODULE_LCD);
if (sc != RTEMS_SUCCESSFUL) {
bsp_fatal(LPC24XX_FATAL_PL111_TEAR_DOWN);
}
}
static const pl111_fb_config fb_config = {
.regs = (volatile pl111 *) LCD_BASE_ADDR,
.timing0 = PL111_LCD_TIMING0_PPL(640 / 16 - 1)
| PL111_LCD_TIMING0_HSW(0x1d)
| PL111_LCD_TIMING0_HFP(0x0f)
| PL111_LCD_TIMING0_HBP(0x71),
.timing1 = PL111_LCD_TIMING1_LPP(480 - 1)
| PL111_LCD_TIMING1_VSW(0x02)
| PL111_LCD_TIMING1_VFP(0x0a)
| PL111_LCD_TIMING1_VBP(0x20),
.timing2 = PL111_LCD_TIMING2_PCD_LO(0x3)
| PL111_LCD_TIMING2_ACB(0x0)
| PL111_LCD_TIMING2_IVS
| PL111_LCD_TIMING2_IHS
| PL111_LCD_TIMING2_IPC
| PL111_LCD_TIMING2_CPL(640 - 1)
| PL111_LCD_TIMING2_PCD_HI(0x0),
.timing3 = 0x0,
.control = PL111_LCD_CONTROL_LCD_TFT
| PL111_LCD_CONTROL_LCD_BPP(PL111_LCD_CONTROL_LCD_BPP_16_5_6_5)
| PL111_LCD_CONTROL_BGR,
.power_delay_in_us = 100000,
.set_up = fb_set_up,
.pins_set_up = fb_pins_set_up,
.pins_tear_down = fb_pins_tear_down,
.tear_down = fb_tear_down
};
const pl111_fb_config *arm_pl111_fb_get_config(void)
{
return &fb_config;
}
