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: edwin_rong <edwin_rong@realsil.com.cn>
Signed-off-by: Greg 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

@@ -0,0 +1,16 @@
+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

@@ -0,0 +1,37 @@
+# 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

@@ -0,0 +1,5 @@
+TODO:
+- support more USB card reader of Realtek family
+- use kernel coding style
+- checkpatch.pl fixes
+

drivers/staging/rts5139/debug.h

@@ -0,0 +1,46 @@
+/* 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 */