46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
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/******************************************************************************
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*
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* Copyright(c) 2019 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#ifndef _HAL_TX_H_
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#define _HAL_TX_H_
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/**
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* this function will be used in read / write pointer mechanism and
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* return the number of available read pointer
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* @rptr: input, the read pointer
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* @wptr: input, the write pointer
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* @bndy: input, the boundary of read / write pointer mechanism
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*/
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u16 hal_calc_avail_rptr(u16 rptr, u16 wptr, u16 bndy);
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/**
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* this function will be used in read / write pointer mechanism and
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* return the number of available write pointer
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* @rptr: input, the read pointer
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* @wptr: input, the write pointer
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* @bndy: input, the boundary of read / write pointer mechanism
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*/
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u16 hal_calc_avail_wptr(u16 rptr, u16 wptr, u16 bndy);
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#ifdef CONFIG_PCI_HCI
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/**
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* rtw_hal_query_txch_num - query total hw tx dma channels number
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*
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* returns the number of hw tx dma channel
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*/
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u8 rtw_hal_query_txch_num(void *hal);
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#endif
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#endif /*_HAL_TX_H_*/
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