[RT2x00]: add driver for Ralink wireless hardware

Signed-off-by: NIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

CREDITS

@@ -665,6 +665,11 @@ D: Minor updates to SCSI types, added /proc/pid/maps protection
 S: (ask for current address)
 S: USA
 
+N: Robin Cornelius
+E: robincornelius@users.sourceforge.net
+D: Ralink rt2x00 WLAN driver
+S: Cornwall, U.K.
+
 N: Mark Corner
 E: mcorner@umich.edu
 W: http://www.eecs.umich.edu/~mcorner/
@@ -679,6 +684,11 @@ D: Kernel module SMART utilities
 S: Santa Cruz, California
 S: USA
 
+N: Luis Correia
+E: lfcorreia@users.sf.net
+D: Ralink rt2x00 WLAN driver
+S: Belas, Portugal
+
 N: Alan Cox
 W: http://www.linux.org.uk/diary/
 D: Linux Networking (0.99.10->2.0.29)
@@ -833,6 +843,12 @@ S: Lancs
 S: PR4 6AX
 S: United Kingdom
 
+N: Ivo van Doorn
+E: IvDoorn@gmail.com
+W: http://www.mendiosus.nl
+D: Ralink rt2x00 WLAN driver
+S: Haarlem, The Netherlands
+
 N: John G Dorsey
 E: john+@cs.cmu.edu
 D: ARM Linux ports to Assabet/Neponset, Spot
@@ -3517,6 +3533,12 @@ S: Maastrichterweg 63
 S: 5554 GG Valkenswaard
 S: The Netherlands
 
+N: Mark Wallis
+E: mwallis@serialmonkey.com
+W: http://mark.serialmonkey.com
+D: Ralink rt2x00 WLAN driver
+S: Newcastle, Australia
+
 N: Peter Shaobo Wang
 E: pwang@mmdcorp.com
 W: http://www.mmdcorp.com/pw/linux
@@ -3651,6 +3673,15 @@ S: Alte Regensburger Str. 11a
 S: 93149 Nittenau
 S: Germany
 
+N: Gertjan van Wingerde
+E: gwingerde@home.nl
+D: Ralink rt2x00 WLAN driver
+D: Minix V2 file-system
+D: Misc fixes
+S: Geessinkweg 177
+S: 7544 TX Enschede
+S: The Netherlands
+
 N: Lars Wirzenius
 E: liw@iki.fi
 D: Linux System Administrator's Guide, author, former maintainer

MAINTAINERS

@@ -3147,6 +3147,14 @@ M:	corey@world.std.com
 L:	linux-wireless@vger.kernel.org
 S:	Maintained
 
+RALINK RT2X00 WLAN DRIVER
+P:	rt2x00 project
+L:	linux-wireless@vger.kernel.org
+L:	rt2400-devel@lists.sourceforge.net
+W:	http://rt2x00.serialmonkey.com/
+S:	Maintained
+F:	drivers/net/wireless/rt2x00/
+
 RANDOM NUMBER DRIVER
 P:	Matt Mackall
 M:	mpm@selenic.com

drivers/net/wireless/Kconfig

@@ -583,5 +583,6 @@ source "drivers/net/wireless/bcm43xx/Kconfig"
 source "drivers/net/wireless/b43/Kconfig"
 source "drivers/net/wireless/b43legacy/Kconfig"
 source "drivers/net/wireless/zd1211rw/Kconfig"
+source "drivers/net/wireless/rt2x00/Kconfig"
 
 endmenu

drivers/net/wireless/Makefile

@@ -53,3 +53,4 @@ obj-$(CONFIG_RTL8187)	+= rtl8187.o
 obj-$(CONFIG_ADM8211)	+= adm8211.o
 
 obj-$(CONFIG_IWLWIFI)	+= iwlwifi/
+obj-$(CONFIG_RT2X00)	+= rt2x00/

drivers/net/wireless/rt2x00/Kconfig

+config RT2X00
+	tristate "Ralink driver support"
+	depends on MAC80211 && WLAN_80211 && EXPERIMENTAL
+	---help---
+	  This will enable the experimental support for the Ralink drivers,
+	  developed in the rt2x00 project <http://rt2x00.serialmonkey.com>.
+
+	  These drivers will make use of the Devicescape ieee80211 stack.
+
+	  When building one of the individual drivers, the rt2x00 library
+	  will also be created. That library (when the driver is built as
+	  a module) will be called "rt2x00lib.ko".
+
+config RT2X00_LIB
+	tristate
+	depends on RT2X00
+
+config RT2X00_LIB_PCI
+	tristate
+	depends on RT2X00
+	select RT2X00_LIB
+
+config RT2X00_LIB_USB
+	tristate
+	depends on RT2X00
+	select RT2X00_LIB
+
+config RT2X00_LIB_FIRMWARE
+	boolean
+	depends on RT2X00_LIB
+	select CRC_ITU_T
+	select FW_LOADER
+
+config RT2X00_LIB_RFKILL
+	boolean
+	depends on RT2X00_LIB
+	select RFKILL
+	select INPUT_POLLDEV
+
+config RT2400PCI
+	tristate "Ralink rt2400 pci/pcmcia support"
+	depends on RT2X00 && PCI
+	select RT2X00_LIB_PCI
+	select EEPROM_93CX6
+	---help---
+	  This is an experimental driver for the Ralink rt2400 wireless chip.
+
+	  When compiled as a module, this driver will be called "rt2400pci.ko".
+
+config RT2400PCI_RFKILL
+	bool "RT2400 rfkill support"
+	depends on RT2400PCI
+	select RT2X00_LIB_RFKILL
+	---help---
+	  This adds support for integrated rt2400 devices that feature a
+	  hardware button to control the radio state.
+	  This feature depends on the RF switch subsystem rfkill.
+
+config RT2500PCI
+	tristate "Ralink rt2500 pci/pcmcia support"
+	depends on RT2X00 && PCI
+	select RT2X00_LIB_PCI
+	select EEPROM_93CX6
+	---help---
+	  This is an experimental driver for the Ralink rt2500 wireless chip.
+
+	  When compiled as a module, this driver will be called "rt2500pci.ko".
+
+config RT2500PCI_RFKILL
+	bool "RT2500 rfkill support"
+	depends on RT2500PCI
+	select RT2X00_LIB_RFKILL
+	---help---
+	  This adds support for integrated rt2500 devices that feature a
+	  hardware button to control the radio state.
+	  This feature depends on the RF switch subsystem rfkill.
+
+config RT61PCI
+	tristate "Ralink rt61 pci/pcmcia support"
+	depends on RT2X00 && PCI
+	select RT2X00_LIB_PCI
+	select RT2X00_LIB_FIRMWARE
+	select EEPROM_93CX6
+	---help---
+	  This is an experimental driver for the Ralink rt61 wireless chip.
+
+	  When compiled as a module, this driver will be called "rt61pci.ko".
+
+config RT61PCI_RFKILL
+	bool "RT61 rfkill support"
+	depends on RT61PCI
+	select RT2X00_LIB_RFKILL
+	---help---
+	  This adds support for integrated rt61 devices that feature a
+	  hardware button to control the radio state.
+	  This feature depends on the RF switch subsystem rfkill.
+
+config RT2500USB
+	tristate "Ralink rt2500 usb support"
+	depends on RT2X00 && USB
+	select RT2X00_LIB_USB
+	---help---
+	  This is an experimental driver for the Ralink rt2500 wireless chip.
+
+	  When compiled as a module, this driver will be called "rt2500usb.ko".
+
+config RT73USB
+	tristate "Ralink rt73 usb support"
+	depends on RT2X00 && USB
+	select RT2X00_LIB_USB
+	select RT2X00_LIB_FIRMWARE
+	---help---
+	  This is an experimental driver for the Ralink rt73 wireless chip.
+
+	  When compiled as a module, this driver will be called "rt73usb.ko".
+
+config RT2X00_LIB_DEBUGFS
+	bool "Ralink debugfs support"
+	depends on RT2X00_LIB && MAC80211_DEBUGFS
+	---help---
+	  Enable creation of debugfs files for the rt2x00 drivers.
+	  These debugfs files support both reading and writing of the
+	  most important register types of the rt2x00 devices.
+
+config RT2X00_DEBUG
+	bool "Ralink debug output"
+	depends on RT2X00_LIB
+	---help---
+	  Enable debugging output for all rt2x00 modules
+

drivers/net/wireless/rt2x00/Makefile

+rt2x00lib-objs := rt2x00dev.o rt2x00mac.o rt2x00config.o
+
+ifeq ($(CONFIG_RT2X00_LIB_DEBUGFS),y)
+	rt2x00lib-objs += rt2x00debug.o
+endif
+
+ifeq ($(CONFIG_RT2X00_LIB_RFKILL),y)
+	rt2x00lib-objs += rt2x00rfkill.o
+endif
+
+ifeq ($(CONFIG_RT2X00_LIB_FIRMWARE),y)
+	rt2x00lib-objs += rt2x00firmware.o
+endif
+
+obj-$(CONFIG_RT2X00_LIB)	+= rt2x00lib.o
+obj-$(CONFIG_RT2X00_LIB_PCI)	+= rt2x00pci.o
+obj-$(CONFIG_RT2X00_LIB_USB)	+= rt2x00usb.o
+obj-$(CONFIG_RT2400PCI)		+= rt2400pci.o
+obj-$(CONFIG_RT2500PCI)		+= rt2500pci.o
+obj-$(CONFIG_RT61PCI)		+= rt61pci.o
+obj-$(CONFIG_RT2500USB)		+= rt2500usb.o
+obj-$(CONFIG_RT73USB)		+= rt73usb.o

drivers/net/wireless/rt2x00/rt2x00debug.h

+/*
+	Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+	<http://rt2x00.serialmonkey.com>
+
+	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 of the License, 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, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2x00debug
+	Abstract: Data structures for the rt2x00debug.
+ */
+
+#ifndef RT2X00DEBUG_H
+#define RT2X00DEBUG_H
+
+struct rt2x00_dev;
+
+#define RT2X00DEBUGFS_REGISTER_ENTRY(__name, __type)		\
+struct reg##__name {						\
+	void (*read)(const struct rt2x00_dev *rt2x00dev,	\
+		     const unsigned int word, __type *data);	\
+	void (*write)(const struct rt2x00_dev *rt2x00dev,	\
+		      const unsigned int word, __type data);	\
+								\
+	unsigned int word_size;					\
+	unsigned int word_count;				\
+} __name
+
+struct rt2x00debug {
+	/*
+	 * Reference to the modules structure.
+	 */
+	struct module *owner;
+
+	/*
+	 * Register access entries.
+	 */
+	RT2X00DEBUGFS_REGISTER_ENTRY(csr, u32);
+	RT2X00DEBUGFS_REGISTER_ENTRY(eeprom, u16);
+	RT2X00DEBUGFS_REGISTER_ENTRY(bbp, u8);
+	RT2X00DEBUGFS_REGISTER_ENTRY(rf, u32);
+};
+
+#endif /* RT2X00DEBUG_H */