Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Driver for the Synopsys DesignWare DMA Controller
 *
 * Copyright (C) 2013 Intel Corporation
 */
 
#ifndef _DMA_DW_INTERNAL_H
#define _DMA_DW_INTERNAL_H
 
#include <linux/dma/dw.h>
 
#include "regs.h"
 
int do_dma_probe(struct dw_dma_chip *chip);
int do_dma_remove(struct dw_dma_chip *chip);
 
void do_dw_dma_on(struct dw_dma *dw);
void do_dw_dma_off(struct dw_dma *dw);
 
int do_dw_dma_disable(struct dw_dma_chip *chip);
int do_dw_dma_enable(struct dw_dma_chip *chip);
 
extern bool dw_dma_filter(struct dma_chan *chan, void *param);
 
#ifdef CONFIG_ACPI
void dw_dma_acpi_controller_register(struct dw_dma *dw);
void dw_dma_acpi_controller_free(struct dw_dma *dw);
#else /* !CONFIG_ACPI */
static inline void dw_dma_acpi_controller_register(struct dw_dma *dw) {}
static inline void dw_dma_acpi_controller_free(struct dw_dma *dw) {}
#endif /* !CONFIG_ACPI */
 
struct platform_device;
 
#ifdef CONFIG_OF
struct dw_dma_platform_data *dw_dma_parse_dt(struct platform_device *pdev);
void dw_dma_of_controller_register(struct dw_dma *dw);
void dw_dma_of_controller_free(struct dw_dma *dw);
#else
static inline struct dw_dma_platform_data *dw_dma_parse_dt(struct platform_device *pdev)
{
<------>return NULL;
}
static inline void dw_dma_of_controller_register(struct dw_dma *dw) {}
static inline void dw_dma_of_controller_free(struct dw_dma *dw) {}
#endif
 
struct dw_dma_chip_pdata {
<------>const struct dw_dma_platform_data *pdata;
<------>int (*probe)(struct dw_dma_chip *chip);
<------>int (*remove)(struct dw_dma_chip *chip);
<------>struct dw_dma_chip *chip;
};
 
static __maybe_unused const struct dw_dma_chip_pdata dw_dma_chip_pdata = {
<------>.probe = dw_dma_probe,
<------>.remove = dw_dma_remove,
};
 
static const struct dw_dma_platform_data idma32_pdata = {
<------>.nr_channels = 8,
<------>.chan_allocation_order = CHAN_ALLOCATION_ASCENDING,
<------>.chan_priority = CHAN_PRIORITY_ASCENDING,
<------>.block_size = 131071,
<------>.nr_masters = 1,
<------>.data_width = {4},
<------>.multi_block = {1, 1, 1, 1, 1, 1, 1, 1},
};
 
static __maybe_unused const struct dw_dma_chip_pdata idma32_chip_pdata = {
<------>.pdata = &idma32_pdata,
<------>.probe = idma32_dma_probe,
<------>.remove = idma32_dma_remove,
};
 
#endif /* _DMA_DW_INTERNAL_H */