diff options
Diffstat (limited to 'drivers/staging/rts5208/rtsx_transport.h')
| -rw-r--r-- | drivers/staging/rts5208/rtsx_transport.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/staging/rts5208/rtsx_transport.h b/drivers/staging/rts5208/rtsx_transport.h new file mode 100644 index 000000000..097efed24 --- /dev/null +++ b/drivers/staging/rts5208/rtsx_transport.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Driver for Realtek PCI-Express card reader + * + * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. + * + * Author: + * Wei WANG (wei_wang@realsil.com.cn) + * Micky Ching (micky_ching@realsil.com.cn) + */ + +#ifndef __REALTEK_RTSX_TRANSPORT_H +#define __REALTEK_RTSX_TRANSPORT_H + +#include "rtsx.h" +#include "rtsx_chip.h" + +#define WAIT_TIME 2000 + +unsigned int rtsx_stor_access_xfer_buf(unsigned char *buffer, + unsigned int buflen, + struct scsi_cmnd *srb, + unsigned int *index, + unsigned int *offset, + enum xfer_buf_dir dir); +void rtsx_stor_set_xfer_buf(unsigned char *buffer, unsigned int buflen, + struct scsi_cmnd *srb); +void rtsx_stor_get_xfer_buf(unsigned char *buffer, unsigned int buflen, + struct scsi_cmnd *srb); +void rtsx_invoke_transport(struct scsi_cmnd *srb, struct rtsx_chip *chip); + +#define rtsx_init_cmd(chip) ((chip)->ci = 0) + +void rtsx_add_cmd(struct rtsx_chip *chip, u8 cmd_type, u16 reg_addr, u8 mask, + u8 data); +void rtsx_send_cmd_no_wait(struct rtsx_chip *chip); +int rtsx_send_cmd(struct rtsx_chip *chip, u8 card, int timeout); + +static inline u8 *rtsx_get_cmd_data(struct rtsx_chip *chip) +{ +#ifdef CMD_USING_SG + return (u8 *)(chip->host_sg_tbl_ptr); +#else + return (u8 *)(chip->host_cmds_ptr); +#endif +} + +int rtsx_transfer_data(struct rtsx_chip *chip, u8 card, void *buf, size_t len, + int use_sg, enum dma_data_direction dma_dir, + int timeout); + +int rtsx_transfer_data_partial(struct rtsx_chip *chip, u8 card, void *buf, + size_t len, int use_sg, unsigned int *index, + unsigned int *offset, + enum dma_data_direction dma_dir, int timeout); + +#endif /* __REALTEK_RTSX_TRANSPORT_H */ |