linux_dsm_epyc7002/include/linux/dma/dw.h
Andy Shevchenko 14bebd01c5 dmaengine: dw: Remove AVR32 bits from the driver
AVR32 is gone. Now it's time to clean up the driver by removing
leftovers that was used by AVR32 related code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-05-15 17:07:30 +02:00

54 lines
1.4 KiB
C

/*
* Driver for the Synopsys DesignWare DMA Controller
*
* Copyright (C) 2007 Atmel Corporation
* Copyright (C) 2010-2011 ST Microelectronics
* Copyright (C) 2014 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _DMA_DW_H
#define _DMA_DW_H
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/dmaengine.h>
#include <linux/platform_data/dma-dw.h>
struct dw_dma;
/**
* struct dw_dma_chip - representation of DesignWare DMA controller hardware
* @dev: struct device of the DMA controller
* @id: instance ID
* @irq: irq line
* @regs: memory mapped I/O space
* @clk: hclk clock
* @dw: struct dw_dma that is filed by dw_dma_probe()
* @pdata: pointer to platform data
*/
struct dw_dma_chip {
struct device *dev;
int id;
int irq;
void __iomem *regs;
struct clk *clk;
struct dw_dma *dw;
const struct dw_dma_platform_data *pdata;
};
/* Export to the platform drivers */
#if IS_ENABLED(CONFIG_DW_DMAC_CORE)
int dw_dma_probe(struct dw_dma_chip *chip);
int dw_dma_remove(struct dw_dma_chip *chip);
#else
static inline int dw_dma_probe(struct dw_dma_chip *chip) { return -ENODEV; }
static inline int dw_dma_remove(struct dw_dma_chip *chip) { return 0; }
#endif /* CONFIG_DW_DMAC_CORE */
#endif /* _DMA_DW_H */