Staging: add driver for Realtek RTS5139 cardreader

This driver is used for Realtek RTS5139 USB cardreader, which
supports many cards, such as SD, MS, XD series cards.
Signed-off-by: Nedwin_rong <edwin_rong@realsil.com.cn>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/Kconfig

@@ -64,6 +64,8 @@ source "drivers/staging/rtl8712/Kconfig"
 
 source "drivers/staging/rts_pstor/Kconfig"
 
+source "drivers/staging/rts5139/Kconfig"
+
 source "drivers/staging/frontier/Kconfig"
 
 source "drivers/staging/pohmelfs/Kconfig"

drivers/staging/Makefile

@@ -25,6 +25,7 @@ obj-$(CONFIG_RTL8192U)		+= rtl8192u/
 obj-$(CONFIG_RTL8192E)		+= rtl8192e/
 obj-$(CONFIG_R8712U)		+= rtl8712/
 obj-$(CONFIG_RTS_PSTOR)		+= rts_pstor/
+obj-$(CONFIG_RTS5139)		+= rts5139/
 obj-$(CONFIG_SPECTRA)		+= spectra/
 obj-$(CONFIG_TRANZPORT)		+= frontier/
 obj-$(CONFIG_POHMELFS)		+= pohmelfs/

drivers/staging/rts5139/Kconfig

+config RTS5139
+	tristate "Realtek RTS5139 USB card reader support"
+	depends on USB_SUPPORT && SCSI
+	help
+	  Say Y here to include driver code to support the Realtek
+	  RTS5139 USB card readers.
+
+	  If this driver is compiled as a module, it will be named rts5139.
+
+config RTS5139_DEBUG
+	bool "Realtek RTS5139 Card Reader verbose debug"
+	depends on RTS5139
+	help
+	  Say Y here in order to have the rts5139 code generate
+	  verbose debugging messages.
+

drivers/staging/rts5139/Makefile

+# Driver for Realtek RTS51xx USB card reader
+#
+# Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+# Author:
+#   wwang (wei_wang@realsil.com.cn)
+#   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+# Maintainer:
+#   Edwin Rong (edwin_rong@realsil.com.cn)
+#   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+#
+# Makefile for the RTS51xx USB Card Reader drivers.
+#
+
+TARGET_MODULE := rts5139
+
+EXTRA_CFLAGS := -Idrivers/scsi -I$(PWD)
+
+obj-m += $(TARGET_MODULE).o
+
+common-obj := rts51x_transport.o rts51x_scsi.o rts51x_fop.o
+
+$(TARGET_MODULE)-objs := $(common-obj) rts51x.o rts51x_chip.o rts51x_card.o \
+		xd.o sd.o ms.o sd_cprm.o ms_mg.o

drivers/staging/rts5139/TODO

+TODO:
+- support more USB card reader of Realtek family
+- use kernel coding style
+- checkpatch.pl fixes
+

drivers/staging/rts5139/debug.h

+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_DEBUG_H
+#define __RTS51X_DEBUG_H
+
+#include <linux/kernel.h>
+
+#define RTS51X_TIP "rts51x: "
+
+#ifdef CONFIG_RTS5139_DEBUG
+#define RTS51X_DEBUGP(x...) printk(KERN_DEBUG RTS51X_TIP x)
+#define RTS51X_DEBUGPN(x...) printk(KERN_DEBUG x)
+#define RTS51X_DEBUGPX(x...) printk(x)
+#define RTS51X_DEBUG(x) x
+#else
+#define RTS51X_DEBUGP(x...)
+#define RTS51X_DEBUGPN(x...)
+#define RTS51X_DEBUGPX(x...)
+#define RTS51X_DEBUG(x)
+#endif
+
+#endif /* __RTS51X_DEBUG_H */

drivers/staging/rts5139/ms.h

+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_MS_H
+#define __RTS51X_MS_H
+
+#include "rts51x_chip.h"
+
+#define	MS_MAX_RETRY_COUNT		3
+
+#define	MS_EXTRA_SIZE			0x9
+
+#define	WRT_PRTCT			0x01
+
+/* Error Code */
+#define	MS_NO_ERROR				0x00
+#define	MS_CRC16_ERROR				0x80
+#define	MS_TO_ERROR				0x40
+#define	MS_NO_CARD				0x20
+#define	MS_NO_MEMORY				0x10
+#define	MS_CMD_NK				0x08
+#define	MS_FLASH_READ_ERROR			0x04
+#define	MS_FLASH_WRITE_ERROR			0x02
+#define	MS_BREQ_ERROR				0x01
+#define	MS_NOT_FOUND				0x03
+
+/* Transfer Protocol Command */
+#define READ_PAGE_DATA				0x02
+#define READ_REG				0x04
+#define	GET_INT					0x07
+#define WRITE_PAGE_DATA				0x0D
+#define WRITE_REG				0x0B
+#define SET_RW_REG_ADRS				0x08
+#define SET_CMD					0x0E
+
+#define	PRO_READ_LONG_DATA			0x02
+#define	PRO_READ_SHORT_DATA			0x03
+#define PRO_READ_REG				0x04
+#define	PRO_READ_QUAD_DATA			0x05
+#define PRO_GET_INT				0x07
+#define	PRO_WRITE_LONG_DATA			0x0D
+#define	PRO_WRITE_SHORT_DATA			0x0C
+#define	PRO_WRITE_QUAD_DATA			0x0A
+#define PRO_WRITE_REG				0x0B
+#define PRO_SET_RW_REG_ADRS			0x08
+#define PRO_SET_CMD				0x0E
+#define PRO_EX_SET_CMD				0x09
+
+#ifdef SUPPORT_MAGIC_GATE
+#define MG_GET_ID		0x40
+#define MG_SET_LID		0x41
+#define MG_GET_LEKB		0x42
+#define MG_SET_RD		0x43
+#define MG_MAKE_RMS		0x44
+#define MG_MAKE_KSE		0x45
+#define MG_SET_IBD		0x46
+#define MG_GET_IBD		0x47
+#endif
+
+#ifdef XC_POWERCLASS
+#define XC_CHG_POWER		0x16
+#endif
+
+/* ++ CMD over Memory Stick */
+/*  Flash CMD */
+#define BLOCK_READ		0xAA
+#define	BLOCK_WRITE		0x55
+#define BLOCK_END		0x33
+#define BLOCK_ERASE		0x99
+#define FLASH_STOP		0xCC
+
+/*  Function CMD */
+#define SLEEP			0x5A
+#define CLEAR_BUF		0xC3
+#define MS_RESET		0x3C
+/* -- CMD over Memory Stick */
+
+/* ++ CMD over Memory Stick Pro */
+/*  Flash CMD */
+#define PRO_READ_DATA		0x20
+#define	PRO_WRITE_DATA		0x21
+#define PRO_READ_ATRB		0x24
+#define PRO_STOP		0x25
+#define PRO_ERASE		0x26
+#define	PRO_READ_2K_DATA	0x27
+#define	PRO_WRITE_2K_DATA	0x28
+
+/*  Function CMD */
+#define PRO_FORMAT		0x10
+#define PRO_SLEEP		0x11
+/* -- CMD over Memory Stick Pro */
+
+/*  register inside memory stick */
+#define	IntReg			0x01
+#define StatusReg0		0x02
+#define StatusReg1		0x03
+
+#define SystemParm		0x10
+#define BlockAdrs		0x11
+#define CMDParm			0x14
+#define PageAdrs		0x15
+
+#define OverwriteFlag		0x16
+#define ManagemenFlag		0x17
+#define LogicalAdrs		0x18
+#define ReserveArea		0x1A
+
+/*  register inside memory pro */
+#define	Pro_IntReg		0x01
+#define Pro_StatusReg		0x02
+#define Pro_TypeReg		0x04
+#define	Pro_IFModeReg		0x05
+#define Pro_CatagoryReg		0x06
+#define Pro_ClassReg		0x07
+
+#define Pro_SystemParm		0x10
+#define Pro_DataCount1		0x11
+#define Pro_DataCount0		0x12
+#define Pro_DataAddr3		0x13
+#define Pro_DataAddr2		0x14
+#define Pro_DataAddr1		0x15
+#define Pro_DataAddr0		0x16
+
+#define Pro_TPCParm		0x17
+#define Pro_CMDParm		0x18
+
+/*  define for INT Register */
+#define	INT_REG_CED		0x80
+#define	INT_REG_ERR		0x40
+#define	INT_REG_BREQ		0x20
+#define	INT_REG_CMDNK		0x01
+
+/*  INT signal */
+#define	INT_CED			0x01
+#define	INT_ERR			0x02
+#define	INT_BREQ		0x04
+#define	INT_CMDNK		0x08
+
+/*  define for OverwriteFlag Register */
+#define	BLOCK_BOOT		0xC0
+#define	BLOCK_OK		0x80
+#define	PAGE_OK			0x60
+#define	DATA_COMPL		0x10
+
+/*  define for ManagemenFlag Register */
+#define	NOT_BOOT_BLOCK		0x4
+#define	NOT_TRANSLATION_TABLE	0x8
+
+/*  Header */
+#define	HEADER_ID0		(PPBUF_BASE2)			/* 0 */
+#define	HEADER_ID1		(PPBUF_BASE2 + 1)		/* 1 */
+/*  System Entry */
+#define	DISABLED_BLOCK0		(PPBUF_BASE2 + 0x170 + 4)	/* 2 */
+#define	DISABLED_BLOCK1		(PPBUF_BASE2 + 0x170 + 5)	/* 3 */
+#define	DISABLED_BLOCK2		(PPBUF_BASE2 + 0x170 + 6)	/* 4 */
+#define	DISABLED_BLOCK3		(PPBUF_BASE2 + 0x170 + 7)	/* 5 */
+/*  Boot & Attribute Information */
+#define	BLOCK_SIZE_0		(PPBUF_BASE2 + 0x1a0 + 2)	/* 6 */
+#define	BLOCK_SIZE_1		(PPBUF_BASE2 + 0x1a0 + 3)	/* 7 */
+#define	BLOCK_COUNT_0		(PPBUF_BASE2 + 0x1a0 + 4)	/* 8 */
+#define	BLOCK_COUNT_1		(PPBUF_BASE2 + 0x1a0 + 5)	/* 9 */
+#define	EBLOCK_COUNT_0		(PPBUF_BASE2 + 0x1a0 + 6)	/* 10 */
+#define	EBLOCK_COUNT_1		(PPBUF_BASE2 + 0x1a0 + 7)	/* 11 */
+#define	PAGE_SIZE_0		(PPBUF_BASE2 + 0x1a0 + 8)	/* 12 */
+#define	PAGE_SIZE_1		(PPBUF_BASE2 + 0x1a0 + 9)	/* 13 */
+
+/* joey 2004-08-07 for MS check Procedure */
+#define MS_Device_Type	(PPBUF_BASE2 + 0x1D8)	/* 14 */
+/* end */
+
+/* joey 2004-05-03 */
+#define	MS_4bit_Support	(PPBUF_BASE2 + 0x1D3)	/* 15 */
+/* end */
+
+#define setPS_NG	1
+#define setPS_Error	0
+
+/*  define for Pro_SystemParm Register */
+#define	PARALLEL_8BIT_IF	0x40
+#define	PARALLEL_4BIT_IF	0x00
+#define	SERIAL_IF		0x80
+
+/*  define for StatusReg0 Register */
+#define BUF_FULL	0x10
+#define BUF_EMPTY	0x20
+
+/*  define for StatusReg1 Register */
+#define	MEDIA_BUSY	0x80
+#define	FLASH_BUSY	0x40
+#define	DATA_ERROR	0x20
+#define	STS_UCDT	0x10
+#define	EXTRA_ERROR	0x08
+#define	STS_UCEX	0x04
+#define	FLAG_ERROR	0x02
+#define	STS_UCFG	0x01
+
+#define MS_SHORT_DATA_LEN	32
+
+#define FORMAT_SUCCESS		0
+#define FORMAT_FAIL		1
+#define FORMAT_IN_PROGRESS	2
+
+#define	MS_SET_BAD_BLOCK_FLG(ms_card)	((ms_card)->multi_flag |= 0x80)
+#define MS_CLR_BAD_BLOCK_FLG(ms_card)	((ms_card)->multi_flag &= 0x7F)
+#define MS_TST_BAD_BLOCK_FLG(ms_card)	((ms_card)->multi_flag & 0x80)
+
+#define CHECK_MS_TRANS_FAIL(chip, retval)	\
+	(((retval) != STATUS_SUCCESS) || \
+	(chip->rsp_buf[0] & MS_TRANSFER_ERR))
+
+void mspro_polling_format_status(struct rts51x_chip *chip);
+void mspro_format_sense(struct rts51x_chip *chip, unsigned int lun);
+
+void mspro_stop_seq_mode(struct rts51x_chip *chip);
+int reset_ms_card(struct rts51x_chip *chip);
+int ms_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
+	  u16 sector_cnt);
+int mspro_format(struct scsi_cmnd *srb, struct rts51x_chip *chip,
+		 int short_data_len, int quick_format);
+void ms_free_l2p_tbl(struct rts51x_chip *chip);
+void ms_cleanup_work(struct rts51x_chip *chip);
+int ms_power_off_card3v3(struct rts51x_chip *chip);
+int release_ms_card(struct rts51x_chip *chip);
+int ms_delay_write(struct rts51x_chip *chip);
+
+#ifdef SUPPORT_MAGIC_GATE
+
+int ms_switch_clock(struct rts51x_chip *chip);
+int ms_write_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data,
+		   int data_len);
+int ms_read_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data,
+		  int data_len);
+int ms_set_rw_reg_addr(struct rts51x_chip *chip, u8 read_start, u8 read_cnt,
+		       u8 write_start, u8 write_cnt);
+int ms_transfer_data(struct rts51x_chip *chip, u8 trans_mode, u8 tpc,
+		     u16 sec_cnt, u8 cfg, int mode_2k, int use_sg, void *buf,
+		     int buf_len);
+#endif
+
+#endif /* __RTS51X_MS_H */

drivers/staging/rts5139/ms_mg.h

+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_MS_MG_H
+#define __RTS51X_MS_MG_H
+
+#include "rts51x_chip.h"
+#include "ms.h"
+
+int mg_set_leaf_id(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_get_local_EKB(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_get_rsp_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_get_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_set_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+
+#endif /* __RTS51X_MS_MG_H */

drivers/staging/rts5139/rts51x.h

+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_H
+#define __RTS51X_H
+
+#include <linux/usb.h>
+#include <linux/usb_usual.h>
+#include <linux/blkdev.h>
+#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <linux/cdrom.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_devinfo.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_host.h>
+
+#define DRIVER_VERSION		"v1.04"
+
+#define RTS51X_DESC		"Realtek RTS5139/29 USB card reader driver"
+#define RTS51X_NAME		"rts5139"
+#define RTS51X_CTL_THREAD	"rts5139-control"
+#define RTS51X_SCAN_THREAD	"rts5139-scan"
+#define RTS51X_POLLING_THREAD	"rts5139-polling"
+
+#define POLLING_IN_THREAD
+/* #define SCSI_SCAN_DELAY */
+#define SUPPORT_FILE_OP
+
+#define wait_timeout_x(task_state, msecs)	\
+do {						\
+	set_current_state((task_state));	\
+	schedule_timeout((msecs) * HZ / 1000);	\
+} while (0)
+
+#define wait_timeout(msecs)	wait_timeout_x(TASK_INTERRUPTIBLE, (msecs))
+
+#define SCSI_LUN(srb)		((srb)->device->lun)
+
+/* Size of the DMA-mapped I/O buffer */
+#define RTS51X_IOBUF_SIZE	1024
+/* Size of the autosense data buffer */
+#define RTS51X_SENSE_SIZE	18
+
+/* Dynamic bitflag definitions (dflags): used in set_bit() etc. */
+#define FLIDX_URB_ACTIVE	0	/* current_urb is in use    */
+#define FLIDX_SG_ACTIVE		1	/* current_sg is in use     */
+#define FLIDX_ABORTING		2	/* abort is in progress     */
+#define FLIDX_DISCONNECTING	3	/* disconnect in progress   */
+#define FLIDX_RESETTING		4	/* device reset in progress */
+#define FLIDX_TIMED_OUT		5	/* SCSI midlayer timed out  */
+#define FLIDX_DONT_SCAN		6	/* don't scan (disconnect)  */
+
+struct rts51x_chip;
+
+struct rts51x_usb {
+	/* The device we're working with
+	 * It's important to note:
+	 *    (o) you must hold dev_mutex to change pusb_dev
+	 */
+	struct mutex dev_mutex;	/* protect pusb_dev */
+	struct usb_device *pusb_dev;	/* this usb_device */
+	struct usb_interface *pusb_intf;	/* this interface */
+
+	unsigned long dflags;	/* dynamic atomic bitflags */
+
+	unsigned int send_bulk_pipe;	/* cached pipe values */
+	unsigned int recv_bulk_pipe;
+	unsigned int send_ctrl_pipe;
+	unsigned int recv_ctrl_pipe;
+	unsigned int recv_intr_pipe;
+
+	u8 ifnum;		/* interface number   */
+	u8 ep_bInterval;	/* interrupt interval */
+
+	/* control and bulk communications data */
+	struct urb *current_urb;	/* USB requests         */
+	struct urb *intr_urb;	/* Interrupt USB request */
+	struct usb_ctrlrequest *cr;	/* control requests     */
+	struct usb_sg_request current_sg;	/* scatter-gather req.  */
+	unsigned char *iobuf;	/* I/O buffer           */
+	dma_addr_t cr_dma;	/* buffer DMA addresses */
+	dma_addr_t iobuf_dma;
+	struct task_struct *ctl_thread;	/* the control thread   */
+	struct task_struct *polling_thread;	/* the polling thread   */
+
+	/* mutual exclusion and synchronization structures */
+	struct completion cmnd_ready;	/* to sleep thread on      */
+	struct completion control_exit;	/* control thread exit     */
+	struct completion polling_exit;	/* polling thread exit     */
+	struct completion notify;	/* thread begin/end        */
+#ifdef SCSI_SCAN_DELAY
+	wait_queue_head_t delay_wait;	/* wait during scan, reset */
+	struct completion scanning_done;	/* wait for scan thread    */
+#endif
+};
+
+extern struct usb_driver rts51x_driver;
+
+static inline void get_current_time(u8 *timeval_buf, int buf_len)
+{
+	struct timeval tv;
+
+	if (!timeval_buf || (buf_len < 8))
+		return;
+
+	do_gettimeofday(&tv);
+
+	timeval_buf[0] = (u8) (tv.tv_sec >> 24);
+	timeval_buf[1] = (u8) (tv.tv_sec >> 16);
+	timeval_buf[2] = (u8) (tv.tv_sec >> 8);
+	timeval_buf[3] = (u8) (tv.tv_sec);
+	timeval_buf[4] = (u8) (tv.tv_usec >> 24);
+	timeval_buf[5] = (u8) (tv.tv_usec >> 16);
+	timeval_buf[6] = (u8) (tv.tv_usec >> 8);
+	timeval_buf[7] = (u8) (tv.tv_usec);
+}
+
+#define SND_CTRL_PIPE(chip)	((chip)->usb->send_ctrl_pipe)
+#define RCV_CTRL_PIPE(chip)	((chip)->usb->recv_ctrl_pipe)
+#define SND_BULK_PIPE(chip)	((chip)->usb->send_bulk_pipe)
+#define RCV_BULK_PIPE(chip)	((chip)->usb->recv_bulk_pipe)
+#define RCV_INTR_PIPE(chip)	((chip)->usb->recv_intr_pipe)
+
+/* The scsi_lock() and scsi_unlock() macros protect the sm_state and the
+ * single queue element srb for write access */
+#define scsi_unlock(host)	spin_unlock_irq(host->host_lock)
+#define scsi_lock(host)		spin_lock_irq(host->host_lock)
+
+#define GET_PM_USAGE_CNT(chip)	\
+	atomic_read(&((chip)->usb->pusb_intf->pm_usage_cnt))
+#define SET_PM_USAGE_CNT(chip, cnt)	\
+	atomic_set(&((chip)->usb->pusb_intf->pm_usage_cnt), (cnt))
+
+/* Compatible macros while we switch over */
+static inline void *usb_buffer_alloc(struct usb_device *dev, size_t size,
+				     gfp_t mem_flags, dma_addr_t *dma)
+{
+	return usb_alloc_coherent(dev, size, mem_flags, dma);
+}
+
+static inline void usb_buffer_free(struct usb_device *dev, size_t size,
+				   void *addr, dma_addr_t dma)
+{
+	return usb_free_coherent(dev, size, addr, dma);
+}
+
+/* Convert between us_data and the corresponding Scsi_Host */
+static inline struct Scsi_Host *rts51x_to_host(struct rts51x_chip *chip)
+{
+	return container_of((void *)chip, struct Scsi_Host, hostdata);
+}
+
+static inline struct rts51x_chip *host_to_rts51x(struct Scsi_Host *host)
+{
+	return (struct rts51x_chip *)(host->hostdata);
+}
+
+/* struct scsi_cmnd transfer buffer access utilities */
+enum xfer_buf_dir { TO_XFER_BUF, FROM_XFER_BUF };
+
+/* General routines provided by the usb-storage standard core */
+#ifdef CONFIG_PM
+void rts51x_try_to_enter_ss(struct rts51x_chip *chip);
+void rts51x_try_to_exit_ss(struct rts51x_chip *chip);
+int rts51x_suspend(struct usb_interface *iface, pm_message_t message);
+int rts51x_resume(struct usb_interface *iface);
+int rts51x_reset_resume(struct usb_interface *iface);
+#else
+#define rts51x_suspend		NULL
+#define rts51x_resume		NULL
+#define rts51x_reset_resume	NULL
+#endif
+
+extern struct scsi_host_template rts51x_host_template;
+
+#endif /* __RTS51X_H */

drivers/staging/rts5139/rts51x_fop.h

+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_FOP_H
+#define __RTS51X_FOP_H
+
+#include "rts51x.h"
+
+#ifdef SUPPORT_FILE_OP
+
+#include <linux/fs.h>
+#include <linux/types.h>
+
+struct sd_direct_cmnd {
+	u8 cmnd[12];
+	void *buf;
+	int buf_len;
+};
+
+struct sd_rsp {
+	void *rsp;
+	int rsp_len;
+};
+
+int rts51x_open(struct inode *inode, struct file *filp);
+int rts51x_release(struct inode *inode, struct file *filp);
+ssize_t rts51x_read(struct file *filp, char __user *buf, size_t count,
+		    loff_t *f_pos);
+ssize_t rts51x_write(struct file *filp, const char __user * buf, size_t count,
+		     loff_t *f_pos);
+#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36) */
+int rts51x_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
+		 unsigned long arg);
+#else
+long rts51x_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
+#endif
+
+#endif
+
+#endif /* __RTS51X_FOP_H */

drivers/staging/rts5139/rts51x_sys.h

+/* Driver for Realtek USB RTS51xx card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_SYS_H
+#define __RTS51X_SYS_H
+
+#include "rts51x.h"
+#include "rts51x_chip.h"
+#include "rts51x_card.h"
+
+#define USING_POLLING_CYCLE_DELINK
+
+extern int  rts51x_check_start_time(struct rts51x_chip *chip);
+extern void rts51x_set_start_time(struct rts51x_chip *chip);
+extern void rts51x_clear_start_time(struct rts51x_chip *chip);
+
+/* typedef dma_addr_t ULONG_PTR; */
+
+static inline void rts51x_reset_detected_cards(struct rts51x_chip *chip)
+{
+/*      rts51x_reset_cards(chip); */
+}
+
+static inline void clear_first_install_mark(struct rts51x_chip *chip)
+{
+}
+
+void rts51x_enter_ss(struct rts51x_chip *chip);
+void rts51x_exit_ss(struct rts51x_chip *chip);
+
+#endif /* __RTS51X_SYS_H */

drivers/staging/rts5139/sd_cprm.h

+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_SD_CPRM_H
+#define __RTS51X_SD_CPRM_H
+
+#include "rts51x_chip.h"
+#include "sd.h"
+
+#ifdef SUPPORT_CPRM
+int ext_sd_execute_no_data(struct rts51x_chip *chip, unsigned int lun,
+			   u8 cmd_idx, u8 standby, u8 acmd, u8 rsp_code,
+			   u32 arg);
+int ext_sd_execute_read_data(struct rts51x_chip *chip, unsigned int lun,
+			     u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd,
+			     u8 rsp_code, u32 arg, u32 data_len, void *data_buf,
+			     unsigned int buf_len, int use_sg);
+int ext_sd_execute_write_data(struct rts51x_chip *chip, unsigned int lun,
+			      u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd,
+			      u8 rsp_code, u32 arg, u32 data_len,
+			      void *data_buf, unsigned int buf_len, int use_sg);
+
+int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_execute_no_data(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_execute_read_data(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_execute_write_data(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_hw_rst(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+#endif
+
+#endif /* __RTS51X_SD_CPRM_H */