linux/drivers/media/platform/st/stm32/dma2d/dma2d-hw.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * ST stm32 Chrom-Art - 2D Graphics Accelerator Driver
 *
 * Copyright (c) 2021 Dillon Min
 * Dillon Min, <[email protected]>
 *
 * based on s5p-g2d
 *
 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 * Kamil Debski, <[email protected]>
 */

#include <linux/io.h>

#include "dma2d.h"
#include "dma2d-regs.h"

static inline u32 reg_read(void __iomem *base, u32 reg)
{ … }

static inline void reg_write(void __iomem *base, u32 reg, u32 val)
{ … }

static inline void reg_update_bits(void __iomem *base, u32 reg, u32 mask,
				   u32 val)
{ … }

void dma2d_start(struct dma2d_dev *d)
{ … }

u32 dma2d_get_int(struct dma2d_dev *d)
{ … }

void dma2d_clear_int(struct dma2d_dev *d)
{ … }

void dma2d_config_common(struct dma2d_dev *d, enum dma2d_op_mode op_mode,
			 u16 width, u16 height)
{ … }

void dma2d_config_out(struct dma2d_dev *d, struct dma2d_frame *frm,
		      dma_addr_t o_addr)
{ … }

void dma2d_config_fg(struct dma2d_dev *d, struct dma2d_frame *frm,
		     dma_addr_t f_addr)
{ … }

void dma2d_config_bg(struct dma2d_dev *d, struct dma2d_frame *frm,
		     dma_addr_t b_addr)
{ … }