1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * Driver for Realtek PCI-Express card reader
4 *
5 * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
6 *
7 * Author:
8 * Wei WANG (wei_wang@realsil.com.cn)
9 * Micky Ching (micky_ching@realsil.com.cn)
10 */
11
12 #ifndef __REALTEK_RTSX_TRANSPORT_H
13 #define __REALTEK_RTSX_TRANSPORT_H
14
15 #include "rtsx.h"
16 #include "rtsx_chip.h"
17
18 #define WAIT_TIME 2000
19
20 unsigned int rtsx_stor_access_xfer_buf(unsigned char *buffer,
21 unsigned int buflen,
22 struct scsi_cmnd *srb,
23 unsigned int *index,
24 unsigned int *offset,
25 enum xfer_buf_dir dir);
26 void rtsx_stor_set_xfer_buf(unsigned char *buffer, unsigned int buflen,
27 struct scsi_cmnd *srb);
28 void rtsx_stor_get_xfer_buf(unsigned char *buffer, unsigned int buflen,
29 struct scsi_cmnd *srb);
30 void rtsx_invoke_transport(struct scsi_cmnd *srb, struct rtsx_chip *chip);
31
32 #define rtsx_init_cmd(chip) ((chip)->ci = 0)
33
34 void rtsx_add_cmd(struct rtsx_chip *chip, u8 cmd_type, u16 reg_addr, u8 mask,
35 u8 data);
36 void rtsx_send_cmd_no_wait(struct rtsx_chip *chip);
37 int rtsx_send_cmd(struct rtsx_chip *chip, u8 card, int timeout);
38
rtsx_get_cmd_data(struct rtsx_chip * chip)39 static inline u8 *rtsx_get_cmd_data(struct rtsx_chip *chip)
40 {
41 #ifdef CMD_USING_SG
42 return (u8 *)(chip->host_sg_tbl_ptr);
43 #else
44 return (u8 *)(chip->host_cmds_ptr);
45 #endif
46 }
47
48 int rtsx_transfer_data(struct rtsx_chip *chip, u8 card, void *buf, size_t len,
49 int use_sg, enum dma_data_direction dma_dir,
50 int timeout);
51
52 int rtsx_transfer_data_partial(struct rtsx_chip *chip, u8 card, void *buf,
53 size_t len, int use_sg, unsigned int *index,
54 unsigned int *offset,
55 enum dma_data_direction dma_dir, int timeout);
56
57 #endif /* __REALTEK_RTSX_TRANSPORT_H */
58