Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
rtsx_transport.h
Go to the documentation of this file.
1 /* Driver for Realtek PCI-Express 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 ([email protected])
21  * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
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, struct scsi_cmnd *srb, unsigned int *index,
34  unsigned int *offset, enum xfer_buf_dir dir);
35 void rtsx_stor_set_xfer_buf(unsigned char *buffer,
36  unsigned int buflen, struct scsi_cmnd *srb);
37 void rtsx_stor_get_xfer_buf(unsigned char *buffer,
38  unsigned int buflen, struct scsi_cmnd *srb);
39 void rtsx_invoke_transport(struct scsi_cmnd *srb, struct rtsx_chip *chip);
40 
41 
42 #define rtsx_init_cmd(chip) ((chip)->ci = 0)
43 
44 void rtsx_add_cmd(struct rtsx_chip *chip,
45  u8 cmd_type, u16 reg_addr, u8 mask, u8 data);
47 int rtsx_send_cmd(struct rtsx_chip *chip, u8 card, int timeout);
48 
49 extern inline u8 *rtsx_get_cmd_data(struct rtsx_chip *chip)
50 {
51 #ifdef CMD_USING_SG
52  return (u8 *)(chip->host_sg_tbl_ptr);
53 #else
54  return (u8 *)(chip->host_cmds_ptr);
55 #endif
56 }
57 
58 int rtsx_transfer_data(struct rtsx_chip *chip, u8 card, void *buf, size_t len,
59  int use_sg, enum dma_data_direction dma_dir, int timeout);
60 
61 int rtsx_transfer_data_partial(struct rtsx_chip *chip, u8 card, void *buf, size_t len,
62  int use_sg, unsigned int *index, unsigned int *offset,
63  enum dma_data_direction dma_dir, int timeout);
64 
65 #endif /* __REALTEK_RTSX_TRANSPORT_H */
66