LXR linux/drivers/staging/rts5208/rtsx

   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
  32unsigned 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);
  38void rtsx_stor_set_xfer_buf(unsigned char *buffer, unsigned int buflen,
  39                            struct scsi_cmnd *srb);
  40void rtsx_stor_get_xfer_buf(unsigned char *buffer, unsigned int buflen,
  41                            struct scsi_cmnd *srb);
  42void rtsx_invoke_transport(struct scsi_cmnd *srb, struct rtsx_chip *chip);
  43
  44#define rtsx_init_cmd(chip)                     ((chip)->ci = 0)
  45
  46void rtsx_add_cmd(struct rtsx_chip *chip, u8 cmd_type, u16 reg_addr, u8 mask,
  47                  u8 data);
  48void rtsx_send_cmd_no_wait(struct rtsx_chip *chip);
  49int rtsx_send_cmd(struct rtsx_chip *chip, u8 card, int timeout);
  50
  51static 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
  60int 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
  64int 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