1 /* Driver for Realtek RTS51xx USB card reader 2 * Header file 3 * 4 * Copyright(c) 2009 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 * wwang (wei_wang@realsil.com.cn) 21 * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China 22 * Maintainer: 23 * Edwin Rong (edwin_rong@realsil.com.cn) 24 * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China 25 */ 26 27 #ifndef __RTS51X_TRANSPORT_H 28 #define __RTS51X_TRANSPORT_H 29 30 #include <linux/kernel.h> 31 32 #include "rts51x.h" 33 #include "rts51x_chip.h" 34 35 #if 1 /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34) */ 36 #define URB_NO_SETUP_DMA_MAP 0 37 #endif 38 39 unsigned int rts51x_access_sglist(unsigned char *buffer, 40 unsigned int buflen, void *sglist, 41 void **sgptr, unsigned int *offset, 42 enum xfer_buf_dir dir); 43 unsigned int rts51x_access_xfer_buf(unsigned char *buffer, unsigned int buflen, 44 struct scsi_cmnd *srb, 45 struct scatterlist **sgptr, 46 unsigned int *offset, 47 enum xfer_buf_dir dir); 48 void rts51x_set_xfer_buf(unsigned char *buffer, unsigned int buflen, 49 struct scsi_cmnd *srb); 50 void rts51x_get_xfer_buf(unsigned char *buffer, unsigned int buflen, 51 struct scsi_cmnd *srb); 52 53 int rts51x_ctrl_transfer(struct rts51x_chip *chip, unsigned int pipe, 54 u8 request, u8 requesttype, u16 value, u16 index, 55 void *data, u16 size, int timeout); 56 int rts51x_clear_halt(struct rts51x_chip *chip, unsigned int pipe); 57 int rts51x_transfer_data(struct rts51x_chip *chip, unsigned int pipe, 58 void *buf, unsigned int len, int use_sg, 59 unsigned int *act_len, int timeout); 60 int rts51x_transfer_data_partial(struct rts51x_chip *chip, unsigned int pipe, 61 void *buf, void **ptr, unsigned int *offset, 62 unsigned int len, int use_sg, 63 unsigned int *act_len, int timeout); 64 65 /* whichPipe: 66 * 0: bulk in pipe 67 * 1: bulk out pipe 68 * 2: intr in pipe */ 69 int rts51x_reset_pipe(struct rts51x_chip *chip, char pipe); 70 71 #ifndef POLLING_IN_THREAD 72 int rts51x_start_epc_transfer(struct rts51x_chip *chip); 73 void rts51x_cancel_epc_transfer(struct rts51x_chip *chip); 74 #endif 75 76 int rts51x_get_epc_status(struct rts51x_chip *chip, u16 *status); 77 void rts51x_invoke_transport(struct scsi_cmnd *srb, struct rts51x_chip *chip); 78 79 #endif /* __RTS51X_TRANSPORT_H */ 80