| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* |
| 3 | |
| 4 | Broadcom B43legacy wireless driver |
| 5 | |
| 6 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, |
| 7 | Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it> |
| 8 | Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch> |
| 9 | Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> |
| 10 | Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> |
| 11 | Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net> |
| 12 | |
| 13 | Some parts of the code in this file are derived from the ipw2200 |
| 14 | driver Copyright(c) 2003 - 2004 Intel Corporation. |
| 15 | |
| 16 | |
| 17 | */ |
| 18 | |
| 19 | #ifndef B43legacy_MAIN_H_ |
| 20 | #define B43legacy_MAIN_H_ |
| 21 | |
| 22 | #include "b43legacy.h" |
| 23 | |
| 24 | |
| 25 | #define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes] |
| 26 | #define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes) |
| 27 | /* Magic helper macro to pad structures. Ignore those above. It's magic. */ |
| 28 | #define PAD_BYTES(nr_bytes) P4D_BYTES(__LINE__ , (nr_bytes)) |
| 29 | |
| 30 | |
| 31 | /* Lightweight function to convert a frequency (in Mhz) to a channel number. */ |
| 32 | static inline |
| 33 | u8 b43legacy_freq_to_channel_bg(int freq) |
| 34 | { |
| 35 | u8 channel; |
| 36 | |
| 37 | if (freq == 2484) |
| 38 | channel = 14; |
| 39 | else |
| 40 | channel = (freq - 2407) / 5; |
| 41 | |
| 42 | return channel; |
| 43 | } |
| 44 | static inline |
| 45 | u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev, |
| 46 | int freq) |
| 47 | { |
| 48 | return b43legacy_freq_to_channel_bg(freq); |
| 49 | } |
| 50 | |
| 51 | /* Lightweight function to convert a channel number to a frequency (in Mhz). */ |
| 52 | static inline |
| 53 | int b43legacy_channel_to_freq_bg(u8 channel) |
| 54 | { |
| 55 | int freq; |
| 56 | |
| 57 | if (channel == 14) |
| 58 | freq = 2484; |
| 59 | else |
| 60 | freq = 2407 + (5 * channel); |
| 61 | |
| 62 | return freq; |
| 63 | } |
| 64 | |
| 65 | static inline |
| 66 | int b43legacy_channel_to_freq(struct b43legacy_wldev *dev, |
| 67 | u8 channel) |
| 68 | { |
| 69 | return b43legacy_channel_to_freq_bg(channel); |
| 70 | } |
| 71 | |
| 72 | static inline |
| 73 | int b43legacy_is_cck_rate(int rate) |
| 74 | { |
| 75 | return (rate == B43legacy_CCK_RATE_1MB || |
| 76 | rate == B43legacy_CCK_RATE_2MB || |
| 77 | rate == B43legacy_CCK_RATE_5MB || |
| 78 | rate == B43legacy_CCK_RATE_11MB); |
| 79 | } |
| 80 | |
| 81 | static inline |
| 82 | int b43legacy_is_ofdm_rate(int rate) |
| 83 | { |
| 84 | return !b43legacy_is_cck_rate(rate); |
| 85 | } |
| 86 | |
| 87 | void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf); |
| 88 | void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf); |
| 89 | |
| 90 | u32 b43legacy_shm_read32(struct b43legacy_wldev *dev, |
| 91 | u16 routing, u16 offset); |
| 92 | u16 b43legacy_shm_read16(struct b43legacy_wldev *dev, |
| 93 | u16 routing, u16 offset); |
| 94 | void b43legacy_shm_write32(struct b43legacy_wldev *dev, |
| 95 | u16 routing, u16 offset, |
| 96 | u32 value); |
| 97 | void b43legacy_shm_write16(struct b43legacy_wldev *dev, |
| 98 | u16 routing, u16 offset, |
| 99 | u16 value); |
| 100 | |
| 101 | u32 b43legacy_hf_read(struct b43legacy_wldev *dev); |
| 102 | void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value); |
| 103 | |
| 104 | void b43legacy_dummy_transmission(struct b43legacy_wldev *dev); |
| 105 | |
| 106 | void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags); |
| 107 | |
| 108 | void b43legacy_mac_suspend(struct b43legacy_wldev *dev); |
| 109 | void b43legacy_mac_enable(struct b43legacy_wldev *dev); |
| 110 | |
| 111 | void b43legacy_controller_restart(struct b43legacy_wldev *dev, |
| 112 | const char *reason); |
| 113 | |
| 114 | #endif /* B43legacy_MAIN_H_ */ |