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1/* SPDX-License-Identifier: GPL-2.0-only */2/* 10G controller driver for Samsung SoCs3 *4 * Copyright (C) 2013 Samsung Electronics Co., Ltd.5 * http://www.samsung.com6 *7 * Author: Siva Reddy Kallam <siva.kallam@samsung.com>8 */9#ifndef __SXGBE_DMA_H__10#define __SXGBE_DMA_H__11 12/* forward declaration */13struct sxgbe_extra_stats;14 15#define SXGBE_DMA_BLENMAP_LSHIFT 116#define SXGBE_DMA_TXPBL_LSHIFT 1617#define SXGBE_DMA_RXPBL_LSHIFT 1618#define DEFAULT_DMA_PBL 819 20struct sxgbe_dma_ops {21 /* DMA core initialization */22 int (*init)(void __iomem *ioaddr, int fix_burst, int burst_map);23 void (*cha_init)(void __iomem *ioaddr, int cha_num, int fix_burst,24 int pbl, dma_addr_t dma_tx, dma_addr_t dma_rx,25 int t_rzie, int r_rsize);26 void (*enable_dma_transmission)(void __iomem *ioaddr, int dma_cnum);27 void (*enable_dma_irq)(void __iomem *ioaddr, int dma_cnum);28 void (*disable_dma_irq)(void __iomem *ioaddr, int dma_cnum);29 void (*start_tx)(void __iomem *ioaddr, int tchannels);30 void (*start_tx_queue)(void __iomem *ioaddr, int dma_cnum);31 void (*stop_tx)(void __iomem *ioaddr, int tchannels);32 void (*stop_tx_queue)(void __iomem *ioaddr, int dma_cnum);33 void (*start_rx)(void __iomem *ioaddr, int rchannels);34 void (*stop_rx)(void __iomem *ioaddr, int rchannels);35 int (*tx_dma_int_status)(void __iomem *ioaddr, int channel_no,36 struct sxgbe_extra_stats *x);37 int (*rx_dma_int_status)(void __iomem *ioaddr, int channel_no,38 struct sxgbe_extra_stats *x);39 /* Program the HW RX Watchdog */40 void (*rx_watchdog)(void __iomem *ioaddr, u32 riwt);41 /* Enable TSO for each DMA channel */42 void (*enable_tso)(void __iomem *ioaddr, u8 chan_num);43};44 45const struct sxgbe_dma_ops *sxgbe_get_dma_ops(void);46 47#endif /* __SXGBE_CORE_H__ */48