1 /****************************************************************************** 2 * 3 * Copyright(c) 2019 Realtek Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 *****************************************************************************/ 15 #ifndef _HAL_TX_H_ 16 #define _HAL_TX_H_ 17 18 /** 19 * this function will be used in read / write pointer mechanism and 20 * return the number of available read pointer 21 * @rptr: input, the read pointer 22 * @wptr: input, the write pointer 23 * @bndy: input, the boundary of read / write pointer mechanism 24 */ 25 u16 hal_calc_avail_rptr(u16 rptr, u16 wptr, u16 bndy); 26 27 /** 28 * this function will be used in read / write pointer mechanism and 29 * return the number of available write pointer 30 * @rptr: input, the read pointer 31 * @wptr: input, the write pointer 32 * @bndy: input, the boundary of read / write pointer mechanism 33 */ 34 u16 hal_calc_avail_wptr(u16 rptr, u16 wptr, u16 bndy); 35 36 #ifdef CONFIG_PCI_HCI 37 /** 38 * rtw_hal_query_txch_num - query total hw tx dma channels number 39 * 40 * returns the number of hw tx dma channel 41 */ 42 u8 rtw_hal_query_txch_num(void *hal); 43 #endif 44 45 #endif /*_HAL_TX_H_*/ 46