OpenCloudOS-Kernel/include/linux/pch_dma.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2010 Intel Corporation
 */

#ifndef PCH_DMA_H
#define PCH_DMA_H

#include <linux/dmaengine.h>

enum pch_dma_width {
	PCH_DMA_WIDTH_1_BYTE,
	PCH_DMA_WIDTH_2_BYTES,
	PCH_DMA_WIDTH_4_BYTES,
};

struct pch_dma_slave {
	struct device		*dma_dev;
	unsigned int		chan_id;
	dma_addr_t		tx_reg;
	dma_addr_t		rx_reg;
	enum pch_dma_width	width;
};

#endif
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176 Based on 1 normalized pattern(s): 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 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 675 mass ave cambridge ma 02139 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 44 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170025.980374610@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-05-29 00:57:05 +08:00			`/* SPDX-License-Identifier: GPL-2.0-only */`
dmaengine: Driver for Topcliff PCH DMA controller Topcliff PCH is the platform controller hub that is going to be used in Intel's upcoming general embedded platforms. This adds the driver for Topcliff PCH DMA controller. The DMA channels are strictly for device to host or host to device transfers and cannot be used for generic memcpy. Signed-off-by: Yong Wang <yong.y.wang@intel.com> [kill GFP_ATOMIC, kill __raw_{read\|write}l, locking fixlet] Signed-off-by: Dan Williams <dan.j.williams@intel.com> 2010-07-30 16:23:03 +08:00			`/*`
			`* Copyright (c) 2010 Intel Corporation`
			`*/`

			`#ifndef PCH_DMA_H`
			`#define PCH_DMA_H`

			`#include <linux/dmaengine.h>`

			`enum pch_dma_width {`
			`PCH_DMA_WIDTH_1_BYTE,`
			`PCH_DMA_WIDTH_2_BYTES,`
			`PCH_DMA_WIDTH_4_BYTES,`
			`};`

			`struct pch_dma_slave {`
			`struct device *dma_dev;`
			`unsigned int chan_id;`
			`dma_addr_t tx_reg;`
			`dma_addr_t rx_reg;`
			`enum pch_dma_width width;`
			`};`

			`#endif`