rt-thread-official/bsp/imxrt/imxrt1170-nxp-evk/m7/board/display_support.c

469 lines
14 KiB
C

/*
* Copyright 2019-2021, 2023 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <rtthread.h>
#include "display_support.h"
#include "fsl_gpio.h"
#include "fsl_mipi_dsi.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*
* The DPHY bit clock must be fast enough to send out the pixels, it should be
* larger than:
*
* (Pixel clock * bit per output pixel) / number of MIPI data lane
*
* Here the desired DPHY bit clock multiplied by ( 9 / 8 = 1.125) to ensure
* it is fast enough.
*/
#define DEMO_MIPI_DPHY_BIT_CLK_ENLARGE(origin) (((origin) / 8) * 9)
/*******************************************************************************
* Prototypes
******************************************************************************/
static void BOARD_PullPanelResetPin(bool pullUp);
static void BOARD_PullPanelPowerPin(bool pullUp);
static void BOARD_InitLcdifClock(void);
static void BOARD_InitMipiDsiClock(void);
static status_t BOARD_DSI_Transfer(dsi_transfer_t *xfer);
/*******************************************************************************
* Variables
******************************************************************************/
static uint32_t mipiDsiTxEscClkFreq_Hz;
static uint32_t mipiDsiDphyBitClkFreq_Hz;
static uint32_t mipiDsiDphyRefClkFreq_Hz;
static uint32_t mipiDsiDpiClkFreq_Hz;
const MIPI_DSI_Type g_mipiDsi = {
.host = DSI_HOST,
.apb = DSI_HOST_APB_PKT_IF,
.dpi = DSI_HOST_DPI_INTFC,
.dphy = DSI_HOST_DPHY_INTFC,
};
#if defined(DISPLAY_USING_RK055AHD091)
static mipi_dsi_device_t dsiDevice = {
.virtualChannel = 0,
.xferFunc = BOARD_DSI_Transfer,
};
static const rm68200_resource_t rm68200Resource = {
.dsiDevice = &dsiDevice,
.pullResetPin = BOARD_PullPanelResetPin,
.pullPowerPin = BOARD_PullPanelPowerPin,
};
static display_handle_t rm68200Handle = {
.resource = &rm68200Resource,
.ops = &rm68200_ops,
};
#elif defined(DISPLAY_USING_RK055MHD091)
static mipi_dsi_device_t dsiDevice = {
.virtualChannel = 0,
.xferFunc = BOARD_DSI_Transfer,
};
static const hx8394_resource_t hx8394Resource = {
.dsiDevice = &dsiDevice,
.pullResetPin = BOARD_PullPanelResetPin,
.pullPowerPin = BOARD_PullPanelPowerPin,
};
static display_handle_t hx8394Handle = {
.resource = &hx8394Resource,
.ops = &hx8394_ops,
};
#elif defined(DISPLAY_USING_RK055IQH091)
static mipi_dsi_device_t dsiDevice = {
.virtualChannel = 0,
.xferFunc = BOARD_DSI_Transfer,
};
static const rm68191_resource_t rm68191Resource = {
.dsiDevice = &dsiDevice,
.pullResetPin = BOARD_PullPanelResetPin,
.pullPowerPin = BOARD_PullPanelPowerPin,
};
static display_handle_t rm68191Handle = {
.resource = &rm68191Resource,
.ops = &rm68191_ops,
};
#endif
#if defined(BSP_USING_LCDIFV2)
static dc_fb_lcdifv2_handle_t s_dcFbLcdifv2Handle = {0};
static const dc_fb_lcdifv2_config_t s_dcFbLcdifv2Config = {
.lcdifv2 = DEMO_LCDIF,
.width = LCD_MIPI_WIDTH,
.height = LCD_MIPI_HEIGHT,
.hsw = LCD_MIPI_HSW,
.hfp = LCD_MIPI_HFP,
.hbp = LCD_MIPI_HBP,
.vsw = LCD_MIPI_VSW,
.vfp = LCD_MIPI_VFP,
.vbp = LCD_MIPI_VBP,
.polarityFlags = DEMO_LCDIF_POL_FLAGS,
.lineOrder = kLCDIFV2_LineOrderRGB,
/* CM4 is domain 1, CM7 is domain 0. */
#if (__CORTEX_M <= 4)
.domain = 1,
#else
.domain = 0,
#endif
};
const dc_fb_t g_dc = {
.ops = &g_dcFbOpsLcdifv2,
.prvData = &s_dcFbLcdifv2Handle,
.config = &s_dcFbLcdifv2Config,
};
#elif defined(BSP_USING_ELCDIF)
dc_fb_elcdif_handle_t s_dcFbElcdifHandle = {0}; /* The handle must be initialized to 0. */
const dc_fb_elcdif_config_t s_dcFbElcdifConfig = {
.elcdif = DEMO_LCDIF,
.width = LCD_MIPI_WIDTH,
.height = LCD_MIPI_HEIGHT,
.hsw = LCD_MIPI_HSW,
.hfp = LCD_MIPI_HFP,
.hbp = LCD_MIPI_HBP,
.vsw = LCD_MIPI_VSW,
.vfp = LCD_MIPI_VFP,
.vbp = LCD_MIPI_VBP,
.polarityFlags = DEMO_LCDIF_POL_FLAGS,
#if (!DEMO_USE_XRGB8888) && (DEMO_USE_LUT8)
.dataBus = kELCDIF_DataBus8Bit,
#else
.dataBus = kELCDIF_DataBus24Bit,
#endif
};
const dc_fb_t g_dc = {
.ops = &g_dcFbOpsElcdif,
.prvData = &s_dcFbElcdifHandle,
.config = &s_dcFbElcdifConfig,
};
#endif
/*******************************************************************************
* Code
******************************************************************************/
static void BOARD_PullPanelResetPin(bool pullUp)
{
if (pullUp)
{
GPIO_PinWrite(BOARD_MIPI_PANEL_RST_GPIO, BOARD_MIPI_PANEL_RST_PIN, 1);
}
else
{
GPIO_PinWrite(BOARD_MIPI_PANEL_RST_GPIO, BOARD_MIPI_PANEL_RST_PIN, 0);
}
}
static void BOARD_PullPanelPowerPin(bool pullUp)
{
if (pullUp)
{
GPIO_PinWrite(BOARD_MIPI_PANEL_POWER_GPIO, BOARD_MIPI_PANEL_POWER_PIN, 1);
}
else
{
GPIO_PinWrite(BOARD_MIPI_PANEL_POWER_GPIO, BOARD_MIPI_PANEL_POWER_PIN, 0);
}
}
static status_t BOARD_DSI_Transfer(dsi_transfer_t *xfer)
{
return DSI_TransferBlocking(DEMO_LCD_MIPI, xfer);
}
static void BOARD_InitLcdifClock(void)
{
/*
* The pixel clock is (height + VSW + VFP + VBP) * (width + HSW + HFP + HBP) * frame rate.
*
* For 60Hz frame rate, the RK055IQH091 pixel clock should be 36MHz.
* the RK055AHD091 pixel clock should be 62MHz.
*/
const clock_root_config_t lcdifClockConfig = {
.clockOff = false,
.mux = 4, /*!< PLL_528. */
#if (defined(DISPLAY_USING_RK055AHD091) || defined(DISPLAY_USING_RK055MHD091))
.div = 9,
#elif defined(DISPLAY_USING_RK055IQH091)
.div = 15,
#endif
};
#if defined(BSP_USING_LCDIFV2)
CLOCK_SetRootClock(kCLOCK_Root_Lcdifv2, &lcdifClockConfig);
mipiDsiDpiClkFreq_Hz = CLOCK_GetRootClockFreq(kCLOCK_Root_Lcdifv2);
#elif defined(BSP_USING_ELCDIF)
CLOCK_SetRootClock(kCLOCK_Root_Lcdif, &lcdifClockConfig);
mipiDsiDpiClkFreq_Hz = CLOCK_GetRootClockFreq(kCLOCK_Root_Lcdif);
#endif
}
static void BOARD_InitMipiDsiClock(void)
{
uint32_t mipiDsiEscClkFreq_Hz;
/* RxClkEsc max 60MHz, TxClkEsc 12 to 20MHz. */
/* RxClkEsc = 528MHz / 11 = 48MHz. */
/* TxClkEsc = 528MHz / 11 / 4 = 16MHz. */
const clock_root_config_t mipiEscClockConfig = {
.clockOff = false,
.mux = 4, /*!< PLL_528. */
.div = 11,
};
CLOCK_SetRootClock(kCLOCK_Root_Mipi_Esc, &mipiEscClockConfig);
mipiDsiEscClkFreq_Hz = CLOCK_GetRootClockFreq(kCLOCK_Root_Mipi_Esc);
const clock_group_config_t mipiEscClockGroupConfig = {
.clockOff = false, .resetDiv = 2, .div0 = 2, /* TX esc clock. */
};
CLOCK_SetGroupConfig(kCLOCK_Group_MipiDsi, &mipiEscClockGroupConfig);
mipiDsiTxEscClkFreq_Hz = mipiDsiEscClkFreq_Hz / 3;
/* DPHY reference clock, use OSC 24MHz clock. */
const clock_root_config_t mipiDphyRefClockConfig = {
.clockOff = false,
.mux = 1, /*!< OSC_24M. */
.div = 1,
};
CLOCK_SetRootClock(kCLOCK_Root_Mipi_Ref, &mipiDphyRefClockConfig);
mipiDsiDphyRefClkFreq_Hz = BOARD_XTAL0_CLK_HZ;
}
static status_t BOARD_InitLcdPanel(void)
{
status_t status;
const gpio_pin_config_t pinConfig = {kGPIO_DigitalOutput, 0, kGPIO_NoIntmode};
const display_config_t displayConfig = {
.resolution = FSL_VIDEO_RESOLUTION(LCD_MIPI_WIDTH, LCD_MIPI_HEIGHT),
.hsw = LCD_MIPI_HSW,
.hfp = LCD_MIPI_HFP,
.hbp = LCD_MIPI_HBP,
.vsw = LCD_MIPI_VSW,
.vfp = LCD_MIPI_VFP,
.vbp = LCD_MIPI_VBP,
.controlFlags = 0,
.dsiLanes = DEMO_LCD_MIPI_LANE_NUM,
};
GPIO_PinInit(BOARD_MIPI_PANEL_POWER_GPIO, BOARD_MIPI_PANEL_POWER_PIN, &pinConfig);
GPIO_PinInit(BOARD_MIPI_PANEL_BL_GPIO, BOARD_MIPI_PANEL_BL_PIN, &pinConfig);
GPIO_PinInit(BOARD_MIPI_PANEL_RST_GPIO, BOARD_MIPI_PANEL_RST_PIN, &pinConfig);
#if defined(DISPLAY_USING_RK055AHD091)
status = RM68200_Init(&rm68200Handle, &displayConfig);
#elif defined(DISPLAY_USING_RK055MHD091)
status = HX8394_Init(&hx8394Handle, &displayConfig);
#elif defined(DISPLAY_USING_RK055IQH091)
status = RM68191_Init(&rm68191Handle, &displayConfig);
#endif
if (status == kStatus_Success)
{
GPIO_PinWrite(BOARD_MIPI_PANEL_BL_GPIO, BOARD_MIPI_PANEL_BL_PIN, 1);
}
return status;
}
static void BOARD_SetMipiDsiConfig(void)
{
dsi_config_t dsiConfig;
dsi_dphy_config_t dphyConfig;
const dsi_dpi_config_t dpiConfig = {.pixelPayloadSize = LCD_MIPI_WIDTH,
.dpiColorCoding = kDSI_Dpi24Bit,
.pixelPacket = kDSI_PixelPacket24Bit,
.videoMode = kDSI_DpiBurst,
.bllpMode = kDSI_DpiBllpLowPower,
.polarityFlags = kDSI_DpiVsyncActiveLow | kDSI_DpiHsyncActiveLow,
.hfp = LCD_MIPI_HFP,
.hbp = LCD_MIPI_HBP,
.hsw = LCD_MIPI_HSW,
.vfp = LCD_MIPI_VFP,
.vbp = LCD_MIPI_VBP,
.panelHeight = LCD_MIPI_HEIGHT,
.virtualChannel = 0};
/*
* dsiConfig.numLanes = 4;
* dsiConfig.enableNonContinuousHsClk = false;
* dsiConfig.autoInsertEoTp = true;
* dsiConfig.numExtraEoTp = 0;
* dsiConfig.htxTo_ByteClk = 0;
* dsiConfig.lrxHostTo_ByteClk = 0;
* dsiConfig.btaTo_ByteClk = 0;
*/
DSI_GetDefaultConfig(&dsiConfig);
dsiConfig.numLanes = DEMO_LCD_MIPI_LANE_NUM;
dsiConfig.autoInsertEoTp = true;
/* Init the DSI module. */
DSI_Init(DEMO_LCD_MIPI, &dsiConfig);
/* Init DPHY.
*
* The DPHY bit clock must be fast enough to send out the pixels, it should be
* larger than:
*
* (Pixel clock * bit per output pixel) / number of MIPI data lane
*
* Here the desired DPHY bit clock multiplied by ( 9 / 8 = 1.125) to ensure
* it is fast enough.
*
* Note that the DSI output pixel is 24bit per pixel.
*/
mipiDsiDphyBitClkFreq_Hz = mipiDsiDpiClkFreq_Hz * (24 / DEMO_LCD_MIPI_LANE_NUM);
mipiDsiDphyBitClkFreq_Hz = DEMO_MIPI_DPHY_BIT_CLK_ENLARGE(mipiDsiDphyBitClkFreq_Hz);
DSI_GetDphyDefaultConfig(&dphyConfig, mipiDsiDphyBitClkFreq_Hz, mipiDsiTxEscClkFreq_Hz);
mipiDsiDphyBitClkFreq_Hz = DSI_InitDphy(DEMO_LCD_MIPI, &dphyConfig, mipiDsiDphyRefClkFreq_Hz);
/* Init DPI interface. */
DSI_SetDpiConfig(DEMO_LCD_MIPI, &dpiConfig, DEMO_LCD_MIPI_LANE_NUM, mipiDsiDpiClkFreq_Hz, mipiDsiDphyBitClkFreq_Hz);
}
status_t BOARD_InitDisplayInterface(void)
{
CLOCK_EnableClock(kCLOCK_Video_Mux);
#if defined(BSP_USING_LCDIFV2)
/* LCDIF v2 output to MIPI DSI. */
VIDEO_MUX->VID_MUX_CTRL.SET = VIDEO_MUX_VID_MUX_CTRL_MIPI_DSI_SEL_MASK;
#elif defined(BSP_USING_ELCDIF)
/* ELCDIF output to MIPI DSI. */
VIDEO_MUX->VID_MUX_CTRL.CLR = VIDEO_MUX_VID_MUX_CTRL_MIPI_DSI_SEL_MASK;
#endif
/* 1. Power on and isolation off. */
PGMC_BPC4->BPC_POWER_CTRL |= (PGMC_BPC_BPC_POWER_CTRL_PSW_ON_SOFT_MASK | PGMC_BPC_BPC_POWER_CTRL_ISO_OFF_SOFT_MASK);
/* 2. Assert MIPI reset. */
IOMUXC_GPR->GPR62 &=
~(IOMUXC_GPR_GPR62_MIPI_DSI_PCLK_SOFT_RESET_N_MASK | IOMUXC_GPR_GPR62_MIPI_DSI_ESC_SOFT_RESET_N_MASK |
IOMUXC_GPR_GPR62_MIPI_DSI_BYTE_SOFT_RESET_N_MASK | IOMUXC_GPR_GPR62_MIPI_DSI_DPI_SOFT_RESET_N_MASK);
/* 3. Setup clock. */
BOARD_InitMipiDsiClock();
/* 4. Deassert PCLK and ESC reset. */
IOMUXC_GPR->GPR62 |=
(IOMUXC_GPR_GPR62_MIPI_DSI_PCLK_SOFT_RESET_N_MASK | IOMUXC_GPR_GPR62_MIPI_DSI_ESC_SOFT_RESET_N_MASK);
/* 5. Configures peripheral. */
BOARD_SetMipiDsiConfig();
/* 6. Deassert BYTE and DBI reset. */
IOMUXC_GPR->GPR62 |=
(IOMUXC_GPR_GPR62_MIPI_DSI_BYTE_SOFT_RESET_N_MASK | IOMUXC_GPR_GPR62_MIPI_DSI_DPI_SOFT_RESET_N_MASK);
/* 7. Configure the panel. */
return BOARD_InitLcdPanel();
}
#if defined(BSP_USING_LCDIFV2)
void LCDIFv2_IRQHandler(void)
{
DC_FB_LCDIFV2_IRQHandler(&g_dc);
}
#elif defined(BSP_USING_ELCDIF)
void eLCDIF_IRQHandler(void)
{
DC_FB_ELCDIF_IRQHandler(&g_dc);
}
#endif
status_t BOARD_VerifyDisplayClockSource(void)
{
status_t status;
uint32_t srcClkFreq;
/*
* In this implementation, the SYSPLL2 (528M) clock is used as the source
* of LCDIFV2 pixel clock and MIPI DSI ESC clock. The OSC24M clock is used
* as the MIPI DSI DPHY PLL reference clock. This function checks the clock
* source are valid. OSC24M is always valid, so only verify the SYSPLL2.
*/
srcClkFreq = CLOCK_GetPllFreq(kCLOCK_PllSys2);
if (528 != (srcClkFreq / 1000000))
{
status = kStatus_Fail;
}
else
{
status = kStatus_Success;
}
return status;
}
status_t BOARD_PrepareDisplayController(void)
{
status_t status;
status = BOARD_VerifyDisplayClockSource();
if (status != kStatus_Success)
{
return status;
}
BOARD_InitLcdifClock();
status = BOARD_InitDisplayInterface();
if (kStatus_Success == status)
{
#if defined(BSP_USING_LCDIFV2)
NVIC_ClearPendingIRQ(LCDIFv2_IRQn);
NVIC_SetPriority(LCDIFv2_IRQn, 3);
EnableIRQ(LCDIFv2_IRQn);
#elif defined(BSP_USING_ELCDIF)
NVIC_ClearPendingIRQ(eLCDIF_IRQn);
NVIC_SetPriority(eLCDIF_IRQn, 3);
EnableIRQ(eLCDIF_IRQn);
#endif
}
return kStatus_Success;
}