Release 4.11 drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.h

/* 10G controller driver for Samsung SoCs
 *
 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
 *              http://www.samsung.com
 *
 * Author: Siva Reddy Kallam <siva.kallam@samsung.com>
 *
 * 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 __SXGBE_DMA_H__

#define __SXGBE_DMA_H__

/* forward declaration */
struct sxgbe_extra_stats;


#define SXGBE_DMA_BLENMAP_LSHIFT	1

#define SXGBE_DMA_TXPBL_LSHIFT		16

#define SXGBE_DMA_RXPBL_LSHIFT		16

#define DEFAULT_DMA_PBL			8


struct sxgbe_dma_ops {
	/* DMA core initialization */
	
int (*init)(void __iomem *ioaddr, int fix_burst, int burst_map);
	
void (*cha_init)(void __iomem *ioaddr, int cha_num, int fix_burst,
			 int pbl, dma_addr_t dma_tx, dma_addr_t dma_rx,
			 int t_rzie, int r_rsize);
	
void (*enable_dma_transmission)(void __iomem *ioaddr, int dma_cnum);
	
void (*enable_dma_irq)(void __iomem *ioaddr, int dma_cnum);
	
void (*disable_dma_irq)(void __iomem *ioaddr, int dma_cnum);
	
void (*start_tx)(void __iomem *ioaddr, int tchannels);
	
void (*start_tx_queue)(void __iomem *ioaddr, int dma_cnum);
	
void (*stop_tx)(void __iomem *ioaddr, int tchannels);
	
void (*stop_tx_queue)(void __iomem *ioaddr, int dma_cnum);
	
void (*start_rx)(void __iomem *ioaddr, int rchannels);
	
void (*stop_rx)(void __iomem *ioaddr, int rchannels);
	
int (*tx_dma_int_status)(void __iomem *ioaddr, int channel_no,
				 struct sxgbe_extra_stats *x);
	
int (*rx_dma_int_status)(void __iomem *ioaddr, int channel_no,
				 struct sxgbe_extra_stats *x);
	/* Program the HW RX Watchdog */
	
void (*rx_watchdog)(void __iomem *ioaddr, u32 riwt);
	/* Enable TSO for each DMA channel */
	
void (*enable_tso)(void __iomem *ioaddr, u8 chan_num);
};

const struct sxgbe_dma_ops *sxgbe_get_dma_ops(void);

#endif /* __SXGBE_CORE_H__ */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Siva Reddy
287
94.72%
1
50.00%
Vipul Pandya
16
5.28%
1
50.00%
Total
303
100.00%
2
100.00%
Directory: drivers/net/ethernet/samsung/sxgbe

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