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Diffstat (limited to '')
| -rw-r--r-- | bsps/arm/imxrt/mcux-sdk/drivers/lcdifv2/fsl_lcdifv2.c | 527 |
1 files changed, 527 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/mcux-sdk/drivers/lcdifv2/fsl_lcdifv2.c b/bsps/arm/imxrt/mcux-sdk/drivers/lcdifv2/fsl_lcdifv2.c new file mode 100644 index 0000000000..356a4625b0 --- /dev/null +++ b/bsps/arm/imxrt/mcux-sdk/drivers/lcdifv2/fsl_lcdifv2.c @@ -0,0 +1,527 @@ +/* + * Copyright 2019-2022 NXP + * All rights reserved. + * + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include "fsl_lcdifv2.h" + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/* Component ID definition, used by tools. */ +#ifndef FSL_COMPONENT_ID +#define FSL_COMPONENT_ID "platform.drivers.lcdifv2" +#endif + +#define LCDIFV2_LUT_MEM(base) \ + ((volatile uint32_t *)(((uint32_t)(base)) + (uint32_t)FSL_FEATURE_LCDIFV2_CLUT_RAM_OFFSET)) + +/******************************************************************************* + * Prototypes + ******************************************************************************/ + +/*! + * @brief Get instance number for LCDIF module. + * + * @param base LCDIF peripheral base address + */ +static uint32_t LCDIFV2_GetInstance(const LCDIFV2_Type *base); + +/*! + * @brief Reset register value to default status. + * + * @param base LCDIF peripheral base address + */ +static void LCDIFV2_ResetRegister(LCDIFV2_Type *base); + +/******************************************************************************* + * Variables + ******************************************************************************/ + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) +/*! @brief Pointers to LCDIF clock for each instance. */ +static const clock_ip_name_t s_lcdifv2Clocks[] = LCDIFV2_CLOCKS; +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ + +/******************************************************************************* + * Codes + ******************************************************************************/ +static uint32_t LCDIFV2_GetInstance(const LCDIFV2_Type *base) +{ + static LCDIFV2_Type *const s_lcdifv2Bases[] = LCDIFV2_BASE_PTRS; + + uint32_t instance; + + /* Find the instance index from base address mappings. */ + for (instance = 0; instance < ARRAY_SIZE(s_lcdifv2Bases); instance++) + { + if (s_lcdifv2Bases[instance] == base) + { + break; + } + } + + assert(instance < ARRAY_SIZE(s_lcdifv2Bases)); + + return instance; +} + +static void LCDIFV2_ResetRegister(LCDIFV2_Type *base) +{ + uint32_t i; + + base->DISP_PARA = 0U; + base->CTRL = 0x80000000U; + base->DISP_SIZE = 0U; + base->HSYN_PARA = 0x00C01803U; + base->VSYN_PARA = 0x00C01803U; + base->INT[0].INT_ENABLE = 0U; + base->INT[1].INT_ENABLE = 0U; + base->PDI_PARA = 0x00001000U; + + for (i = 0; i < (uint32_t)LCDIFV2_LAYER_COUNT; i++) + { + base->LAYER[i].CTRLDESCL5 = 0U; + base->LAYER[i].CTRLDESCL1 = 0U; + base->LAYER[i].CTRLDESCL2 = 0U; + base->LAYER[i].CTRLDESCL3 = 0U; + base->LAYER[i].CTRLDESCL4 = 0U; + base->LAYER[i].CTRLDESCL6 = 0U; + } + + for (i = 0; i < (uint32_t)LCDIFV2_LAYER_CSC_COUNT; i++) + { + base->LAYER[i].CSC_COEF0 = 0x04000000U; + base->LAYER[i].CSC_COEF1 = 0x01230208U; + base->LAYER[i].CSC_COEF2 = 0x076B079CU; + } + + /* Clear interrupt status. */ + base->INT[0].INT_STATUS = 0xFFFFFFFFU; + base->INT[1].INT_STATUS = 0xFFFFFFFFU; +} + +/*! + * brief Initializes the LCDIF v2. + * + * This function ungates the LCDIF v2 clock and release the peripheral reset. + * + * param base LCDIF v2 peripheral base address. + */ +void LCDIFV2_Init(LCDIFV2_Type *base) +{ +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && (0 != FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)) + uint32_t instance = LCDIFV2_GetInstance(base); + /* Enable the clock. */ + CLOCK_EnableClock(s_lcdifv2Clocks[instance]); +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ + + LCDIFV2_ResetRegister(base); + + /* Out of reset. */ + base->CTRL = 0U; +} + +/*! + * brief Deinitializes the LCDIF peripheral. + * + * param base LCDIF peripheral base address. + */ +void LCDIFV2_Deinit(LCDIFV2_Type *base) +{ + LCDIFV2_ResetRegister(base); + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && (0 != FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)) + uint32_t instance = LCDIFV2_GetInstance(base); + /* Disable the clock. */ + CLOCK_DisableClock(s_lcdifv2Clocks[instance]); +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ +} + +/*! + * brief Reset the LCDIF v2. + * + * param base LCDIF peripheral base address. + */ +void LCDIFV2_Reset(LCDIFV2_Type *base) +{ + LCDIFV2_ResetRegister(base); + + /* Release and ready to work. */ + base->CTRL = 0U; +} + +/*! + * brief Gets the LCDIF display default configuration structure. + * + * param config Pointer to the LCDIF configuration structure. + */ +void LCDIFV2_DisplayGetDefaultConfig(lcdifv2_display_config_t *config) +{ + assert(NULL != config); + + config->panelWidth = 0U; + config->panelHeight = 0U; + config->hsw = 3U; + config->hfp = 3U; + config->hbp = 3U; + config->vsw = 3U; + config->vfp = 3U; + config->vbp = 3U; + config->polarityFlags = (uint32_t)kLCDIFV2_VsyncActiveHigh | (uint32_t)kLCDIFV2_HsyncActiveHigh | + (uint32_t)kLCDIFV2_DataEnableActiveHigh | (uint32_t)kLCDIFV2_DriveDataOnRisingClkEdge | + (uint32_t)kLCDIFV2_DataActiveHigh; + config->lineOrder = kLCDIFV2_LineOrderRGB; +} + +/*! + * brief Set the LCDIF v2 display configurations. + * + * param base LCDIF peripheral base address. + * param config Pointer to the LCDIF configuration structure. + */ +void LCDIFV2_SetDisplayConfig(LCDIFV2_Type *base, const lcdifv2_display_config_t *config) +{ + assert(NULL != config); + + /* Configure the parameters. */ + base->DISP_SIZE = ((uint32_t)config->panelWidth << LCDIFV2_DISP_SIZE_DELTA_X_SHIFT) | + ((uint32_t)config->panelHeight << LCDIFV2_DISP_SIZE_DELTA_Y_SHIFT); + + base->HSYN_PARA = ((uint32_t)config->hsw << LCDIFV2_HSYN_PARA_PW_H_SHIFT) | + ((uint32_t)config->hbp << LCDIFV2_HSYN_PARA_BP_H_SHIFT) | + ((uint32_t)config->hfp << LCDIFV2_HSYN_PARA_FP_H_SHIFT); + + base->VSYN_PARA = ((uint32_t)config->vsw << LCDIFV2_VSYN_PARA_PW_V_SHIFT) | + ((uint32_t)config->vbp << LCDIFV2_VSYN_PARA_BP_V_SHIFT) | + ((uint32_t)config->vfp << LCDIFV2_VSYN_PARA_FP_V_SHIFT); + + base->DISP_PARA = LCDIFV2_DISP_PARA_LINE_PATTERN((uint32_t)config->lineOrder); + + base->CTRL = (uint32_t)(config->polarityFlags); +} + +/*! + * brief Set the color space conversion mode. + * + * Supports YUV2RGB and YCbCr2RGB. + * + * param base LCDIFv2 peripheral base address. + * param layerIndex Index of the layer. + * param mode The conversion mode. + */ +void LCDIFV2_SetCscMode(LCDIFV2_Type *base, uint8_t layerIndex, lcdifv2_csc_mode_t mode) +{ + assert(layerIndex < (uint32_t)LCDIFV2_LAYER_CSC_COUNT); + + /* + * The equations used for Colorspace conversion are: + * + * R = C0*(Y+Y_OFFSET) + C1(V+UV_OFFSET) + * G = C0*(Y+Y_OFFSET) + C3(U+UV_OFFSET) + C2(V+UV_OFFSET) + * B = C0*(Y+Y_OFFSET) + C4(U+UV_OFFSET) + */ + + if (kLCDIFV2_CscYUV2RGB == mode) + { + base->LAYER[layerIndex].CSC_COEF0 = LCDIFV2_CSC_COEF0_ENABLE_MASK | LCDIFV2_CSC_COEF0_C0(0x100U) /* 1.00. */ + | LCDIFV2_CSC_COEF0_Y_OFFSET(0x0U) /* 0. */ + | LCDIFV2_CSC_COEF0_UV_OFFSET(0x0U); /* 0. */ + + base->LAYER[layerIndex].CSC_COEF1 = LCDIFV2_CSC_COEF1_C1(0x0123U) /* 1.140. */ + | LCDIFV2_CSC_COEF1_C4(0x0208U); /* 2.032. */ + base->LAYER[layerIndex].CSC_COEF2 = LCDIFV2_CSC_COEF2_C2(0x076BU) /* -0.851. */ + | LCDIFV2_CSC_COEF2_C3(0x079BU); /* -0.394. */ + } + else if (kLCDIFV2_CscYCbCr2RGB == mode) + { + base->LAYER[layerIndex].CSC_COEF0 = LCDIFV2_CSC_COEF0_ENABLE_MASK | LCDIFV2_CSC_COEF0_YCBCR_MODE_MASK | + LCDIFV2_CSC_COEF0_C0(0x12AU) /* 1.164. */ + | LCDIFV2_CSC_COEF0_Y_OFFSET(0x1F0U) /* -16. */ + | LCDIFV2_CSC_COEF0_UV_OFFSET(0x180U); /* -128. */ + base->LAYER[layerIndex].CSC_COEF1 = LCDIFV2_CSC_COEF1_C1(0x0198U) /* 1.596. */ + | LCDIFV2_CSC_COEF1_C4(0x0204U); /* 2.017. */ + base->LAYER[layerIndex].CSC_COEF2 = LCDIFV2_CSC_COEF2_C2(0x0730U) /* -0.813. */ + | LCDIFV2_CSC_COEF2_C3(0x079CU); /* -0.392. */ + } + else + { + base->LAYER[layerIndex].CSC_COEF0 = 0U; + base->LAYER[layerIndex].CSC_COEF1 = 0U; + base->LAYER[layerIndex].CSC_COEF2 = 0U; + } +} + +/*! + * brief Set the layer source buffer configuration. + * + * param base LCDIFv2 peripheral base address. + * param layerIndex Layer layerIndex. + * param config Pointer to the configuration. + */ +void LCDIFV2_SetLayerBufferConfig(LCDIFV2_Type *base, uint8_t layerIndex, const lcdifv2_buffer_config_t *config) +{ + assert(NULL != config); + uint32_t reg; + + base->LAYER[layerIndex].CTRLDESCL3 = config->strideBytes; + + reg = base->LAYER[layerIndex].CTRLDESCL5; + reg = (reg & ~(LCDIFV2_CTRLDESCL5_BPP_MASK | LCDIFV2_CTRLDESCL5_YUV_FORMAT_MASK)) | (uint32_t)config->pixelFormat; + + if (0U == (reg & LCDIFV2_CTRLDESCL5_AB_MODE_MASK)) + { + reg |= LCDIFV2_CTRLDESCL5_SAFETY_EN_MASK; + } + + base->LAYER[layerIndex].CTRLDESCL5 = reg; +} + +/*! + * brief Set the LUT data. + * + * This function sets the specific layer LUT data, if useShadowLoad is true, + * call LCDIFV2_TriggerLayerShadowLoad after this function, the + * LUT will be loaded to the hardware during next vertical blanking period. + * If useShadowLoad is false, the LUT data is loaded to hardware directly. + * + * param base LCDIF v2 peripheral base address. + * param layerIndex Which layer to set. + * param lutData The LUT data to load. + * param count Count of lutData. + * retval kStatus_Success Set success. + * retval kStatus_Fail Previous LUT data is not loaded to hardware yet. + */ +status_t LCDIFV2_SetLut( + LCDIFV2_Type *base, uint8_t layerIndex, const uint32_t *lutData, uint16_t count, bool useShadowLoad) +{ + assert(count <= LCDIFV2_LUT_ENTRY_NUM); + + uint16_t i; + status_t status; + + /* Previous setting is not updated. */ + if ((base->CLUT_LOAD & LCDIFV2_CLUT_LOAD_CLUT_UPDATE_EN_MASK) != 0U) + { + status = kStatus_Fail; + } + else + { + if (useShadowLoad) + { + base->CLUT_LOAD = LCDIFV2_CLUT_LOAD_SEL_CLUT_NUM(layerIndex) | LCDIFV2_CLUT_LOAD_CLUT_UPDATE_EN_MASK; + } + else + { + base->CLUT_LOAD = LCDIFV2_CLUT_LOAD_SEL_CLUT_NUM(layerIndex); + } + + for (i = 0; i < count; i++) + { + (LCDIFV2_LUT_MEM(base))[i + (LCDIFV2_LUT_ENTRY_NUM * layerIndex)] = lutData[i]; + } + + status = kStatus_Success; + } + + return status; +} + +/*! + * brief Set the layer alpha blend mode. + * + * param base LCDIFv2 peripheral base address. + * param layerIndex Index of the CSC unit. + * param config Pointer to the blend configuration. + */ +void LCDIFV2_SetLayerBlendConfig(LCDIFV2_Type *base, uint8_t layerIndex, const lcdifv2_blend_config_t *config) +{ + assert(NULL != config); + + uint32_t reg; + + reg = base->LAYER[layerIndex].CTRLDESCL5; + reg &= ~(LCDIFV2_CTRLDESCL5_GLOBAL_ALPHA_MASK | LCDIFV2_CTRLDESCL5_AB_MODE_MASK | + LCDIFV2_CTRLDESCL5_PD_FACTOR_MODE_MASK | LCDIFV2_CTRLDESCL5_PD_ALPHA_MODE_MASK | + LCDIFV2_CTRLDESCL5_PD_COLOR_MODE_MASK | LCDIFV2_CTRLDESCL5_PD_GLOBAL_ALPHA_MODE_MASK | + LCDIFV2_CTRLDESCL5_SAFETY_EN_MASK); + + reg |= + (LCDIFV2_CTRLDESCL5_GLOBAL_ALPHA(config->globalAlpha) | LCDIFV2_CTRLDESCL5_AB_MODE(config->alphaMode) | + LCDIFV2_CTRLDESCL5_PD_FACTOR_MODE(config->pdFactorMode) | + LCDIFV2_CTRLDESCL5_PD_ALPHA_MODE(config->pdAlphaMode) | LCDIFV2_CTRLDESCL5_PD_COLOR_MODE(config->pdColorMode) | + LCDIFV2_CTRLDESCL5_PD_GLOBAL_ALPHA_MODE(config->pdGlobalAlphaMode)); + + if (config->alphaMode == kLCDIFV2_AlphaDisable) + { + reg |= LCDIFV2_CTRLDESCL5_SAFETY_EN_MASK; + } + + base->LAYER[layerIndex].CTRLDESCL5 = reg; +} + +/* + * brief Get the blend configuration for Porter Duff blend. + * + * This is the basic Porter Duff blend configuration, user still could + * modify the configurations after this function. + * + * param mode Porter Duff blend mode. + * param layer The configuration for source layer or destination layer. + * param config Pointer to the configuration. + * retval kStatus_Success Get the configuration successfully. + * retval kStatus_InvalidArgument The argument is invalid. + */ +status_t LCDIFV2_GetPorterDuffConfig(lcdifv2_pd_blend_mode_t mode, + lcdifv2_pd_layer_t layer, + lcdifv2_blend_config_t *config) +{ + static const lcdifv2_pd_factor_mode_t s_lcdifv2PdLayerFactors[][2] = { + /* kLCDIFV2_PD_Src */ + { + /* s1_s0_factor_mode. */ + kLCDIFV2_PD_FactorZero, + + /* s0_s1_factor_mode. */ + kLCDIFV2_PD_FactorOne, + }, + + /* kLCDIFV2_PD_Atop */ + {kLCDIFV2_PD_FactorInversedAlpha, kLCDIFV2_PD_FactorStraightAlpha}, + + /* kLCDIFV2_PD_Over */ + {kLCDIFV2_PD_FactorInversedAlpha, kLCDIFV2_PD_FactorOne}, + + /* kLCDIFV2_PD_In */ + {kLCDIFV2_PD_FactorZero, kLCDIFV2_PD_FactorStraightAlpha}, + + /* kLCDIFV2_PD_Out */ + {kLCDIFV2_PD_FactorZero, kLCDIFV2_PD_FactorInversedAlpha}, + + /* kLCDIFV2_PD_Dst */ + {kLCDIFV2_PD_FactorOne, kLCDIFV2_PD_FactorZero}, + + /* kLCDIFV2_PD_DstAtop */ + {kLCDIFV2_PD_FactorStraightAlpha, kLCDIFV2_PD_FactorInversedAlpha}, + + /* kLCDIFV2_PD_DstOver */ + {kLCDIFV2_PD_FactorOne, kLCDIFV2_PD_FactorInversedAlpha}, + + /* kLCDIFV2_PD_DstIn */ + {kLCDIFV2_PD_FactorStraightAlpha, kLCDIFV2_PD_FactorZero}, + + /* kLCDIFV2_PD_DstOut */ + {kLCDIFV2_PD_FactorInversedAlpha, kLCDIFV2_PD_FactorZero}, + + /* kLCDIFV2_PD_Xor */ + {kLCDIFV2_PD_FactorInversedAlpha, kLCDIFV2_PD_FactorInversedAlpha}, + + /* kLCDIFV2_PD_Clear */ + { + kLCDIFV2_PD_FactorZero, + kLCDIFV2_PD_FactorZero, + }, + }; + + status_t status; + + if ((NULL == config) || (mode >= kLCDIFV2_PD_Max) || (layer >= kLCDIFV2_PD_LayerMax)) + { + status = kStatus_InvalidArgument; + } + else + { + config->pdAlphaMode = kLCDIFV2_PD_AlphaStraight; + config->pdColorMode = kLCDIFV2_PD_ColorWithAlpha; + config->pdGlobalAlphaMode = kLCDIFV2_PD_LocalAlpha; + config->pdFactorMode = s_lcdifv2PdLayerFactors[mode][(uint8_t)layer]; + config->alphaMode = kLCDIFV2_AlphaPoterDuff; + + status = kStatus_Success; + } + + return status; +} + +/* + * brief Get the global alpha values for multiple layer blend. + * + * When all layers use the global alpha, the relationship blended alpha + * and global alpha of each layer is: + * + * Layer 7: ba7 = ga7 + * Layer 6: ba6 = ga6 * (1-ga7) + * Layer 5: ba5 = ga5 * (1-ga6) * (1-ga7) + * Layer 4: ba4 = ga4 * (1-ga5) * (1-ga6) * (1-ga7) + * Layer 3: ba3 = ga3 * (1-ga4) * (1-ga5) * (1-ga6) * (1-ga7) + * Layer 2: ba2 = ga2 * (1-ga3) * (1-ga4) * (1-ga5) * (1-ga6) * (1-ga7) + * Layer 1: ba1 = ga1 * (1-ga2) * (1-ga3) * (1-ga4) * (1-ga5) * (1-ga6) * (1-ga7) + * Layer 0: ba0 = 1 * (1-ga1) * (1-ga2) * (1-ga3) * (1-ga4) * (1-ga5) * (1-ga6) * (1-ga7) + * + * Here baN is the blended alpha of layer N, gaN is the global alpha configured to layer N. + * + * This function calculates the global alpha based on the blended alpha. The blendedAlpha and + * globalAlpha are all arrays of size layerCount. The first layer is a background layer, + * so blendedAlpha[0] is useless, globalAlpha[0] is always 255. + * + * param blendedAlpha The desired blended alpha value, alpha range 0~255. + * param globalAlpha Calculated global alpha set to each layer register. + * param layerCount Total layer count. + * retval kStatus_Success Get successfully. + * retval kStatus_InvalidArgument The argument is invalid. + */ +status_t LCDIFV2_GetMultiLayerGlobalAlpha(const uint8_t blendedAlpha[], uint8_t globalAlpha[], uint8_t layerCount) +{ + status_t status = kStatus_Success; + int16_t curLayer = (int16_t)layerCount - 1; + int left = 255; + int tmpAlpha; + + assert((layerCount > 1U) && (layerCount <= (uint8_t)LCDIFV2_LAYER_COUNT)); + + /* + * Assume the layer counter is 7, and alpha range is 0~1, define: + * + * left_7 = 1 + * left_i = (1-ga_(i+1)) * ... * (1-ga7) + * + * Then: + * ba_i = ga_i * left_i + * left_i = left_(i+1) - ba_i + * ga_i = ba_i / left_i + * + * Now change alpha range to 0~255, then: + * + * ga_i = ba_i * 255 / left_i + * left_i = left_(i+1) - ba_i + */ + + globalAlpha[0] = 255U; + + while (curLayer > 0) + { + tmpAlpha = (int)blendedAlpha[curLayer] * 255 / left; + if (tmpAlpha > 255) + { + status = kStatus_InvalidArgument; + break; + } + + globalAlpha[curLayer] = (uint8_t)tmpAlpha; + left -= (int)blendedAlpha[curLayer]; + + if (left <= 0) + { + status = kStatus_InvalidArgument; + break; + } + + curLayer--; + } + + return status; +} |