44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com
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* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
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*/
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#ifndef __TI_UDMA_H
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#define __TI_UDMA_H
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/**
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* struct ti_udma_drv_packet_data - TI UDMA transfer specific data
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*
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* @pkt_type: Packet Type - specific for each DMA client HW
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* @dest_tag: Destination tag The source pointer.
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*
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* TI UDMA transfer specific data passed as part of DMA transfer to
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* the DMA client HW in UDMA descriptors.
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*/
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struct ti_udma_drv_packet_data {
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u32 pkt_type;
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u32 dest_tag;
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};
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/**
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* struct ti_udma_drv_chan_cfg_data - TI UDMA per channel specific
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* configuration data
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*
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* @flow_id_base: Start index of flow ID allocated to this channel
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* @flow_id_cnt: Number of flows allocated for this channel starting at
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* flow_id_base
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*
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* TI UDMA channel specific data returned as part of dma_get_cfg() call
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* from the DMA client driver.
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*/
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struct ti_udma_drv_chan_cfg_data {
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u32 flow_id_base;
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u32 flow_id_cnt;
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};
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/* TI UDMA specific flag IDs for dma_get_cfg() call */
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#define TI_UDMA_CHAN_PRIV_INFO 0
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#endif /* __TI_UDMA_H */
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