drivers/staging/rts5208/rtsx_transport.h

   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 */