diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_main.h')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_main.h | 168 |
1 files changed, 168 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..eca79a38594a8 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h @@ -0,0 +1,168 @@ +/* + + 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 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 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 (bcm43xx_current_phy(bcm)->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 (bcm43xx_current_phy(bcm)->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 (bcm43xx_current_phy(bcm)->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); + +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); + +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_ */ |