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/*
Broadcom BCM43xx wireless driver
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
Stefano Brivio <st3@riseup.net>
Michael Buesch <mbuesch@freenet.de>
Danny van Dyk <kugelfang@gentoo.org>
Andreas Jaggi <andreas.jaggi@waterwave.ch>
Some parts of the code in this file are derived from the ipw2200
driver Copyright(c) 2003 - 2004 Intel Corporation.
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; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef BCM43xx_MAIN_H_
#define BCM43xx_MAIN_H_
#include "bcm43xx.h"
#ifdef CONFIG_BCM947XX
#define atoi(str) simple_strtoul(((str != NULL) ? str : ""), NULL, 0)
static inline void e_aton(char *str, char *dest)
{
int i = 0;
u16 *d = (u16 *) dest;
for (;;) {
dest[i++] = (char) simple_strtoul(str, NULL, 16);
str += 2;
if (!*str++ || i == 6)
break;
}
for (i = 0; i < 3; i++)
d[i] = cpu_to_be16(d[i]);
}
#endif
#define _bcm43xx_declare_plcp_hdr(size) \
struct bcm43xx_plcp_hdr##size { \
union { \
__le32 data; \
__u8 raw[size]; \
} __attribute__((__packed__)); \
} __attribute__((__packed__))
/* struct bcm43xx_plcp_hdr4 */
_bcm43xx_declare_plcp_hdr(4);
/* struct bcm430c_plcp_hdr6 */
_bcm43xx_declare_plcp_hdr(6);
#undef _bcm43xx_declare_plcp_hdr
#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes]
#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes)
/* Magic helper macro to pad structures. Ignore those above. It's magic. */
#define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes))
/* Device specific TX header. To be prepended to TX frames. */
struct bcm43xx_txhdr {
union {
struct {
u16 flags;
u16 wsec_rate;
u16 frame_control;
u16 unknown_zeroed_0;
u16 control;
unsigned char wep_iv[10];
unsigned char unknown_wsec_tkip_data[3]; //FIXME
PAD_BYTES(3);
unsigned char mac1[6];
u16 unknown_zeroed_1;
struct bcm43xx_plcp_hdr4 rts_cts_fallback_plcp;
u16 rts_cts_dur_fallback;
struct bcm43xx_plcp_hdr4 fallback_plcp;
u16 fallback_dur_id;
PAD_BYTES(2);
u16 cookie;
u16 unknown_scb_stuff; //FIXME
struct bcm43xx_plcp_hdr6 rts_cts_plcp;
u16 rts_cts_frame_type;
u16 rts_cts_dur;
unsigned char rts_cts_mac1[6];
unsigned char rts_cts_mac2[6];
PAD_BYTES(2);
struct bcm43xx_plcp_hdr6 plcp;
} __attribute__((__packed__));
unsigned char raw[82];
} __attribute__((__packed__));
} __attribute__((__packed__));
struct sk_buff;
void bcm43xx_generate_txhdr(struct bcm43xx_private *bcm,
struct bcm43xx_txhdr *txhdr,
const unsigned char *fragment_data,
const unsigned int fragment_len,
const int is_first_fragment,
const u16 cookie);
/* RX header as received from the hardware. */
struct bcm43xx_rxhdr {
/* Frame Length. Must be generated explicitely in PIO mode. */
__le16 frame_length;
PAD_BYTES(2);
/* Flags field 1 */
__le16 flags1;
u8 rssi;
u8 signal_quality;
PAD_BYTES(2);
/* Flags field 3 */
__le16 flags3;
/* Flags field 2 */
__le16 flags2;
/* Lower 16bits of the TSF at the time the frame started. */
__le16 mactime;
PAD_BYTES(14);
} __attribute__((__packed__));
#define BCM43xx_RXHDR_FLAGS1_OFDM (1 << 0)
/*#define BCM43xx_RXHDR_FLAGS1_SIGNAL??? (1 << 3) FIXME */
#define BCM43xx_RXHDR_FLAGS1_SHORTPREAMBLE (1 << 7)
#define BCM43xx_RXHDR_FLAGS1_2053RSSIADJ (1 << 14)
#define BCM43xx_RXHDR_FLAGS2_INVALIDFRAME (1 << 0)
#define BCM43xx_RXHDR_FLAGS2_TYPE2FRAME (1 << 2)
/*FIXME: WEP related flags */
#define BCM43xx_RXHDR_FLAGS3_2050RSSIADJ (1 << 10)
/* Transmit Status as received from the hardware. */
struct bcm43xx_hwxmitstatus {
PAD_BYTES(4);
__le16 cookie;
u8 flags;
u8 cnt1:4,
cnt2:4;
PAD_BYTES(2);
__le16 seq;
__le16 unknown; //FIXME
} __attribute__((__packed__));
/* Transmit Status in CPU byteorder. */
struct bcm43xx_xmitstatus {
u16 cookie;
u8 flags;
u8 cnt1:4,
cnt2:4;
u16 seq;
u16 unknown; //FIXME
};
#define BCM43xx_TXSTAT_FLAG_ACK 0x01
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x02
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x04
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x08
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x10
#define BCM43xx_TXSTAT_FLAG_IGNORE 0x20
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x40
//TODO #define BCM43xx_TXSTAT_FLAG_??? 0x80
/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
static inline
u8 bcm43xx_freq_to_channel_a(int freq)
{
return ((freq - 5000) / 5);
}
static inline
u8 bcm43xx_freq_to_channel_bg(int freq)
{
u8 channel;
if (freq == 2484)
channel = 14;
else
channel = (freq - 2407) / 5;
return channel;
}
static inline
u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm,
int freq)
{
if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A)
return bcm43xx_freq_to_channel_a(freq);
return bcm43xx_freq_to_channel_bg(freq);
}
/* Lightweight function to convert a channel number to a frequency (in Mhz). */
static inline
int bcm43xx_channel_to_freq_a(u8 channel)
{
return (5000 + (5 * channel));
}
static inline
int bcm43xx_channel_to_freq_bg(u8 channel)
{
int freq;
if (channel == 14)
freq = 2484;
else
freq = 2407 + (5 * channel);
return freq;
}
static inline
int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm,
u8 channel)
{
if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A)
return bcm43xx_channel_to_freq_a(channel);
return bcm43xx_channel_to_freq_bg(channel);
}
/* Lightweight function to check if a channel number is valid.
* Note that this does _NOT_ check for geographical restrictions!
*/
static inline
int bcm43xx_is_valid_channel_a(u8 channel)
{
return (channel <= 200);
}
static inline
int bcm43xx_is_valid_channel_bg(u8 channel)
{
return (channel >= 1 && channel <= 14);
}
static inline
int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm,
u8 channel)
{
if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A)
return bcm43xx_is_valid_channel_a(channel);
return bcm43xx_is_valid_channel_bg(channel);
}
void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf);
void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf);
int bcm43xx_rx(struct bcm43xx_private *bcm,
struct sk_buff *skb,
struct bcm43xx_rxhdr *rxhdr);
void bcm43xx_set_iwmode(struct bcm43xx_private *bcm,
int iw_mode);
u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm,
u16 routing, u16 offset);
u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm,
u16 routing, u16 offset);
void bcm43xx_shm_write32(struct bcm43xx_private *bcm,
u16 routing, u16 offset,
u32 value);
void bcm43xx_shm_write16(struct bcm43xx_private *bcm,
u16 routing, u16 offset,
u16 value);
void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm);
int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core);
void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy);
int bcm43xx_pci_read_config_16(struct pci_dev *pdev, u16 offset, u16 *val);
int bcm43xx_pci_read_config_32(struct pci_dev *pdev, u16 offset, u32 *val);
int bcm43xx_pci_write_config_16(struct pci_dev *pdev, int offset, u16 val);
int bcm43xx_pci_write_config_32(struct pci_dev *pdev, int offset, u32 val);
void bcm43xx_mac_suspend(struct bcm43xx_private *bcm);
void bcm43xx_mac_enable(struct bcm43xx_private *bcm);
void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason);
int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom);
int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom);
#endif /* BCM43xx_MAIN_H_ */
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