diff options
Diffstat (limited to 'drivers/net/wireless/b43/main.h')
| -rw-r--r-- | drivers/net/wireless/b43/main.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h new file mode 100644 index 00000000000..bd8fcf72dc5 --- /dev/null +++ b/drivers/net/wireless/b43/main.h @@ -0,0 +1,142 @@ +/* + + Broadcom B43 wireless driver + + Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, + Stefano Brivio <st3@riseup.net> + Michael Buesch <mb@bu3sch.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 B43_MAIN_H_ +#define B43_MAIN_H_ + +#include "b43.h" + +#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)) + +/* Lightweight function to convert a frequency (in Mhz) to a channel number. */ +static inline u8 b43_freq_to_channel_a(int freq) +{ + return ((freq - 5000) / 5); +} +static inline u8 b43_freq_to_channel_bg(int freq) +{ + u8 channel; + + if (freq == 2484) + channel = 14; + else + channel = (freq - 2407) / 5; + + return channel; +} +static inline u8 b43_freq_to_channel(struct b43_wldev *dev, int freq) +{ + if (dev->phy.type == B43_PHYTYPE_A) + return b43_freq_to_channel_a(freq); + return b43_freq_to_channel_bg(freq); +} + +/* Lightweight function to convert a channel number to a frequency (in Mhz). */ +static inline int b43_channel_to_freq_a(u8 channel) +{ + return (5000 + (5 * channel)); +} +static inline int b43_channel_to_freq_bg(u8 channel) +{ + int freq; + + if (channel == 14) + freq = 2484; + else + freq = 2407 + (5 * channel); + + return freq; +} +static inline int b43_channel_to_freq(struct b43_wldev *dev, u8 channel) +{ + if (dev->phy.type == B43_PHYTYPE_A) + return b43_channel_to_freq_a(channel); + return b43_channel_to_freq_bg(channel); +} + +static inline int b43_is_cck_rate(int rate) +{ + return (rate == B43_CCK_RATE_1MB || + rate == B43_CCK_RATE_2MB || + rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB); +} + +static inline int b43_is_ofdm_rate(int rate) +{ + return !b43_is_cck_rate(rate); +} + +static inline int b43_is_hw_radio_enabled(struct b43_wldev *dev) +{ + /* function to return state of hardware enable of radio + * returns 0 if radio disabled, 1 if radio enabled + */ + struct b43_phy *phy = &dev->phy; + + if (phy->rev >= 3) + return ((b43_read32(dev, B43_MMIO_RADIO_HWENABLED_HI) + & B43_MMIO_RADIO_HWENABLED_HI_MASK) + == 0) ? 1 : 0; + else + return ((b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO) + & B43_MMIO_RADIO_HWENABLED_LO_MASK) + == 0) ? 0 : 1; +} + +void b43_tsf_read(struct b43_wldev *dev, u64 * tsf); +void b43_tsf_write(struct b43_wldev *dev, u64 tsf); + +u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset); +u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset); +void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value); +void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value); + +u32 b43_hf_read(struct b43_wldev *dev); +void b43_hf_write(struct b43_wldev *dev, u32 value); + +void b43_dummy_transmission(struct b43_wldev *dev); + +void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags); + +void b43_mac_suspend(struct b43_wldev *dev); +void b43_mac_enable(struct b43_wldev *dev); + +void b43_controller_restart(struct b43_wldev *dev, const char *reason); + +#define B43_PS_ENABLED (1 << 0) /* Force enable hardware power saving */ +#define B43_PS_DISABLED (1 << 1) /* Force disable hardware power saving */ +#define B43_PS_AWAKE (1 << 2) /* Force device awake */ +#define B43_PS_ASLEEP (1 << 3) /* Force device asleep */ +void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags); + +#endif /* B43_MAIN_H_ */ |