[P54]: add mac80211-based driver for prism54 softmac hardware

Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -3060,6 +3060,14 @@ L:	kpreempt-tech@lists.sourceforge.net
 W:	ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel
 S:	Supported
 
+P54 WIRELESS DRIVER
+P:	Michael Wu
+M:	flamingice@sourmilk.net
+L:	linux-wireless@vger.kernel.org
+W:	http://prism54.org
+T:	git kernel.org:/pub/scm/linux/kernel/git/mwu/mac80211-drivers.git
+S:	Maintained
+
 PRISM54 WIRELESS DRIVER
 P:	Luis R. Rodriguez
 M:	mcgrof@gmail.com

drivers/net/wireless/Kconfig

@@ -577,6 +577,19 @@ config ADM8211
 
 	  Thanks to Infineon-ADMtek for their support of this driver.
 
+config P54_COMMON
+	tristate "Softmac Prism54 support"
+	depends on MAC80211 && WLAN_80211 && FW_LOADER && EXPERIMENTAL
+
+config P54_USB
+	tristate "Prism54 USB support"
+	depends on P54_COMMON && USB
+	select CRC32
+
+config P54_PCI
+	tristate "Prism54 PCI support"
+	depends on P54_COMMON && PCI
+
 source "drivers/net/wireless/iwlwifi/Kconfig"
 source "drivers/net/wireless/hostap/Kconfig"
 source "drivers/net/wireless/bcm43xx/Kconfig"

drivers/net/wireless/Makefile

@@ -54,3 +54,7 @@ obj-$(CONFIG_ADM8211)	+= adm8211.o
 
 obj-$(CONFIG_IWLWIFI)	+= iwlwifi/
 obj-$(CONFIG_RT2X00)	+= rt2x00/
+
+obj-$(CONFIG_P54_COMMON)	+= p54common.o
+obj-$(CONFIG_P54_USB)		+= p54usb.o
+obj-$(CONFIG_P54_PCI)		+= p54pci.o

drivers/net/wireless/p54.h

@@ -0,0 +1,80 @@
+#ifndef PRISM54_H
+#define PRISM54_H
+
+/*
+ * Shared defines for all mac80211 Prism54 code
+ *
+ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
+ *
+ * Based on the islsm (softmac prism54) driver, which is:
+ * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+enum control_frame_types {
+	P54_CONTROL_TYPE_FILTER_SET = 0,
+	P54_CONTROL_TYPE_CHANNEL_CHANGE,
+	P54_CONTROL_TYPE_FREQDONE,
+	P54_CONTROL_TYPE_DCFINIT,
+	P54_CONTROL_TYPE_FREEQUEUE = 7,
+	P54_CONTROL_TYPE_TXDONE,
+	P54_CONTROL_TYPE_PING,
+	P54_CONTROL_TYPE_STAT_READBACK,
+	P54_CONTROL_TYPE_BBP,
+	P54_CONTROL_TYPE_EEPROM_READBACK,
+	P54_CONTROL_TYPE_LED
+};
+
+struct p54_control_hdr {
+	__le16 magic1;
+	__le16 len;
+	__le32 req_id;
+	__le16 type;	/* enum control_frame_types */
+	u8 retry1;
+	u8 retry2;
+	u8 data[0];
+} __attribute__ ((packed));
+
+#define EEPROM_READBACK_LEN (sizeof(struct p54_control_hdr) + 4 /* p54_eeprom_lm86 */)
+#define MAX_RX_SIZE (IEEE80211_MAX_RTS_THRESHOLD + sizeof(struct p54_control_hdr) + 20 /* length of struct p54_rx_hdr */ + 16 )
+
+#define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
+
+struct p54_common {
+	u32 rx_start;
+	u32 rx_end;
+	struct sk_buff_head tx_queue;
+	void (*tx)(struct ieee80211_hw *dev, struct p54_control_hdr *data,
+		   size_t len, int free_on_tx);
+	int (*open)(struct ieee80211_hw *dev);
+	void (*stop)(struct ieee80211_hw *dev);
+	int mode;
+	u8 *mac_addr;
+	struct pda_iq_autocal_entry *iq_autocal;
+	unsigned int iq_autocal_len;
+	struct pda_channel_output_limit *output_limit;
+	unsigned int output_limit_len;
+	struct pda_pa_curve_data *curve_data;
+	__le16 rxhw;
+	u8 version;
+	unsigned int tx_hdr_len;
+	void *cached_vdcf;
+	unsigned int fw_var;
+	/* FIXME: this channels/modes/rates stuff sucks */
+	struct ieee80211_channel channels[14];
+	struct ieee80211_rate rates[12];
+	struct ieee80211_hw_mode modes[2];
+	struct ieee80211_tx_queue_stats tx_stats;
+};
+
+int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
+void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
+int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
+void p54_fill_eeprom_readback(struct p54_control_hdr *hdr);
+struct ieee80211_hw *p54_init_common(size_t priv_data_len);
+void p54_free_common(struct ieee80211_hw *dev);
+
+#endif /* PRISM54_H */