1 /* Driver for Realtek PCI-Express card reader 2 * Header file 3 * 4 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2, or (at your option) any 9 * later version. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with this program; if not, see <http://www.gnu.org/licenses/>. 18 * 19 * Author: 20 * Wei WANG (wei_wang@realsil.com.cn) 21 * Micky Ching (micky_ching@realsil.com.cn) 22 */ 23 24 #ifndef __REALTEK_RTSX_TRANSPORT_H 25 #define __REALTEK_RTSX_TRANSPORT_H 26 27 #include "rtsx.h" 28 #include "rtsx_chip.h" 29 30 #define WAIT_TIME 2000 31 32 unsigned int rtsx_stor_access_xfer_buf(unsigned char *buffer, 33 unsigned int buflen, 34 struct scsi_cmnd *srb, 35 unsigned int *index, 36 unsigned int *offset, 37 enum xfer_buf_dir dir); 38 void rtsx_stor_set_xfer_buf(unsigned char *buffer, unsigned int buflen, 39 struct scsi_cmnd *srb); 40 void rtsx_stor_get_xfer_buf(unsigned char *buffer, unsigned int buflen, 41 struct scsi_cmnd *srb); 42 void rtsx_invoke_transport(struct scsi_cmnd *srb, struct rtsx_chip *chip); 43 44 #define rtsx_init_cmd(chip) ((chip)->ci = 0) 45 46 void rtsx_add_cmd(struct rtsx_chip *chip, u8 cmd_type, u16 reg_addr, u8 mask, 47 u8 data); 48 void rtsx_send_cmd_no_wait(struct rtsx_chip *chip); 49 int rtsx_send_cmd(struct rtsx_chip *chip, u8 card, int timeout); 50 51 static inline u8 *rtsx_get_cmd_data(struct rtsx_chip *chip) 52 { 53 #ifdef CMD_USING_SG 54 return (u8 *)(chip->host_sg_tbl_ptr); 55 #else 56 return (u8 *)(chip->host_cmds_ptr); 57 #endif 58 } 59 60 int rtsx_transfer_data(struct rtsx_chip *chip, u8 card, void *buf, size_t len, 61 int use_sg, enum dma_data_direction dma_dir, 62 int timeout); 63 64 int rtsx_transfer_data_partial(struct rtsx_chip *chip, u8 card, void *buf, 65 size_t len, int use_sg, unsigned int *index, 66 unsigned int *offset, 67 enum dma_data_direction dma_dir, int timeout); 68 69 #endif /* __REALTEK_RTSX_TRANSPORT_H */ 70