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
20unsigned 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);
26void rtsx_stor_set_xfer_buf(unsigned char *buffer, unsigned int buflen,
27			    struct scsi_cmnd *srb);
28void rtsx_stor_get_xfer_buf(unsigned char *buffer, unsigned int buflen,
29			    struct scsi_cmnd *srb);
30void rtsx_invoke_transport(struct scsi_cmnd *srb, struct rtsx_chip *chip);
31
32#define rtsx_init_cmd(chip)			((chip)->ci = 0)
33
34void rtsx_add_cmd(struct rtsx_chip *chip, u8 cmd_type, u16 reg_addr, u8 mask,
35		  u8 data);
36void rtsx_send_cmd_no_wait(struct rtsx_chip *chip);
37int rtsx_send_cmd(struct rtsx_chip *chip, u8 card, int timeout);
38
39static 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
48int 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
52int 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