/* Broadcom BCM43xx wireless driver Copyright (c) 2005 Martin Langer , Stefano Brivio Michael Buesch Danny van Dyk Andreas Jaggi 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_ */