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Commit eff1a59c authored by Michael Wu's avatar Michael Wu Committed by David S. Miller
Browse files

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



Signed-off-by: default avatarMichael Wu <flamingice@sourmilk.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0795af57

MAINTAINERS

+8 −0
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@@ -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

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@@ -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

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@@ -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/net2280.h

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+452 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/net/wireless/p54.h

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#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 */