diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_main.h')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_main.h | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h new file mode 100644 index 0000000000000..1d3eddd314bc3 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h @@ -0,0 +1,283 @@ +/* + + 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 FASTCALL(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 + +struct bcm43xx_xmitstatus_queue { + struct list_head list; + struct bcm43xx_hwxmitstatus status; +}; + + +/* Lightweight function to convert a frequency (in Mhz) to a channel number. */ +static inline +u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm, + int freq) +{ + u8 channel; + + if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) { + channel = (freq - 5000) / 5; + } else { + if (freq == 2484) + channel = 14; + else + channel = (freq - 2407) / 5; + } + + return channel; +} + +/* Lightweight function to convert a channel number to a frequency (in Mhz). */ +static inline +int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm, + u8 channel) +{ + int freq; + + if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) { + freq = 5000 + (5 * channel); + } else { + if (channel == 14) + freq = 2484; + else + freq = 2407 + (5 * channel); + } + + return freq; +} + +/* 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(struct bcm43xx_private *bcm, + u8 channel) +{ + if (bcm->current_core->phy->type == BCM43xx_PHYTYPE_A) { + if (channel <= 200) + return 1; + } else { + if (channel >= 1 && channel <= 14) + return 1; + } + + return 0; +} + +void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf); +void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf); + +int FASTCALL(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); + +u8 bcm43xx_sprom_crc(const u16 *sprom); + +void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason); + +#endif /* BCM43xx_MAIN_H_ */ |