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1718 lines
53 KiB
1718 lines
53 KiB
/* |
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* Copyright (c) 2004-2007 Reyk Floeter <[email protected]> |
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* Copyright (c) 2006-2007 Nick Kossifidis <[email protected]> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef _ATH5K_H |
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#define _ATH5K_H |
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/* TODO: Clean up channel debugging (doesn't work anyway) and start |
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* working on reg. control code using all available eeprom information |
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* (rev. engineering needed) */ |
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#define CHAN_DEBUG 0 |
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#include <linux/io.h> |
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#include <linux/interrupt.h> |
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#include <linux/types.h> |
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#include <linux/average.h> |
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#include <linux/leds.h> |
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#include <net/mac80211.h> |
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#include <net/cfg80211.h> |
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/* RX/TX descriptor hw structs |
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* TODO: Driver part should only see sw structs */ |
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#include "desc.h" |
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|
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/* EEPROM structs/offsets |
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* TODO: Make a more generic struct (eg. add more stuff to ath5k_capabilities) |
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* and clean up common bits, then introduce set/get functions in eeprom.c */ |
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#include "eeprom.h" |
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#include "debug.h" |
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#include "../ath.h" |
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#include "ani.h" |
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/* PCI IDs */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5210 0x0007 /* AR5210 */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5311 0x0011 /* AR5311 */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5211 0x0012 /* AR5211 */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212 0x0013 /* AR5212 */ |
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#define PCI_DEVICE_ID_3COM_3CRDAG675 0x0013 /* 3CRDAG675 (Atheros AR5212) */ |
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#define PCI_DEVICE_ID_3COM_2_3CRPAG175 0x0013 /* 3CRPAG175 (Atheros AR5212) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5210_AP 0x0207 /* AR5210 (Early) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_IBM 0x1014 /* AR5212 (IBM MiniPCI) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5210_DEFAULT 0x1107 /* AR5210 (no eeprom) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_DEFAULT 0x1113 /* AR5212 (no eeprom) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5211_DEFAULT 0x1112 /* AR5211 (no eeprom) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_FPGA 0xf013 /* AR5212 (emulation board) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5211_LEGACY 0xff12 /* AR5211 (emulation board) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5211_FPGA11B 0xf11b /* AR5211 (emulation board) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5312_REV8 0x0058 /* AR5312 WMAC (AP43-030) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_0014 0x0014 /* AR5212 compatible */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_0015 0x0015 /* AR5212 compatible */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_0016 0x0016 /* AR5212 compatible */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_0017 0x0017 /* AR5212 compatible */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_0018 0x0018 /* AR5212 compatible */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5212_0019 0x0019 /* AR5212 compatible */ |
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#define PCI_DEVICE_ID_ATHEROS_AR2413 0x001a /* AR2413 (Griffin-lite) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5413 0x001b /* AR5413 (Eagle) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5424 0x001c /* AR5424 (Condor PCI-E) */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5416 0x0023 /* AR5416 */ |
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#define PCI_DEVICE_ID_ATHEROS_AR5418 0x0024 /* AR5418 */ |
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/****************************\ |
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GENERIC DRIVER DEFINITIONS |
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\****************************/ |
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#define ATH5K_PRINTF(fmt, ...) \ |
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pr_warn("%s: " fmt, __func__, ##__VA_ARGS__) |
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void __printf(3, 4) |
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_ath5k_printk(const struct ath5k_hw *ah, const char *level, |
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const char *fmt, ...); |
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#define ATH5K_PRINTK(_sc, _level, _fmt, ...) \ |
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_ath5k_printk(_sc, _level, _fmt, ##__VA_ARGS__) |
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#define ATH5K_PRINTK_LIMIT(_sc, _level, _fmt, ...) \ |
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do { \ |
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if (net_ratelimit()) \ |
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ATH5K_PRINTK(_sc, _level, _fmt, ##__VA_ARGS__); \ |
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} while (0) |
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#define ATH5K_INFO(_sc, _fmt, ...) \ |
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ATH5K_PRINTK(_sc, KERN_INFO, _fmt, ##__VA_ARGS__) |
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#define ATH5K_WARN(_sc, _fmt, ...) \ |
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ATH5K_PRINTK_LIMIT(_sc, KERN_WARNING, _fmt, ##__VA_ARGS__) |
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#define ATH5K_ERR(_sc, _fmt, ...) \ |
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ATH5K_PRINTK_LIMIT(_sc, KERN_ERR, _fmt, ##__VA_ARGS__) |
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/* |
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* AR5K REGISTER ACCESS |
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*/ |
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/* Some macros to read/write fields */ |
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/* First shift, then mask */ |
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#define AR5K_REG_SM(_val, _flags) \ |
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(((_val) << _flags##_S) & (_flags)) |
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/* First mask, then shift */ |
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#define AR5K_REG_MS(_val, _flags) \ |
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(((_val) & (_flags)) >> _flags##_S) |
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/* Some registers can hold multiple values of interest. For this |
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* reason when we want to write to these registers we must first |
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* retrieve the values which we do not want to clear (lets call this |
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* old_data) and then set the register with this and our new_value: |
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* ( old_data | new_value) */ |
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#define AR5K_REG_WRITE_BITS(ah, _reg, _flags, _val) \ |
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ath5k_hw_reg_write(ah, (ath5k_hw_reg_read(ah, _reg) & ~(_flags)) | \ |
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(((_val) << _flags##_S) & (_flags)), _reg) |
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#define AR5K_REG_MASKED_BITS(ah, _reg, _flags, _mask) \ |
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ath5k_hw_reg_write(ah, (ath5k_hw_reg_read(ah, _reg) & \ |
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(_mask)) | (_flags), _reg) |
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#define AR5K_REG_ENABLE_BITS(ah, _reg, _flags) \ |
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ath5k_hw_reg_write(ah, ath5k_hw_reg_read(ah, _reg) | (_flags), _reg) |
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#define AR5K_REG_DISABLE_BITS(ah, _reg, _flags) \ |
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ath5k_hw_reg_write(ah, ath5k_hw_reg_read(ah, _reg) & ~(_flags), _reg) |
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/* Access QCU registers per queue */ |
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#define AR5K_REG_READ_Q(ah, _reg, _queue) \ |
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(ath5k_hw_reg_read(ah, _reg) & (1 << _queue)) \ |
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#define AR5K_REG_WRITE_Q(ah, _reg, _queue) \ |
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ath5k_hw_reg_write(ah, (1 << _queue), _reg) |
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#define AR5K_Q_ENABLE_BITS(_reg, _queue) do { \ |
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_reg |= 1 << _queue; \ |
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} while (0) |
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#define AR5K_Q_DISABLE_BITS(_reg, _queue) do { \ |
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_reg &= ~(1 << _queue); \ |
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} while (0) |
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/* Used while writing initvals */ |
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#define AR5K_REG_WAIT(_i) do { \ |
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if (_i % 64) \ |
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udelay(1); \ |
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} while (0) |
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/* |
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* Some tunable values (these should be changeable by the user) |
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* TODO: Make use of them and add more options OR use debug/configfs |
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*/ |
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#define AR5K_TUNE_DMA_BEACON_RESP 2 |
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#define AR5K_TUNE_SW_BEACON_RESP 10 |
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#define AR5K_TUNE_ADDITIONAL_SWBA_BACKOFF 0 |
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#define AR5K_TUNE_MIN_TX_FIFO_THRES 1 |
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#define AR5K_TUNE_MAX_TX_FIFO_THRES ((IEEE80211_MAX_FRAME_LEN / 64) + 1) |
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#define AR5K_TUNE_REGISTER_TIMEOUT 20000 |
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/* Register for RSSI threshold has a mask of 0xff, so 255 seems to |
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* be the max value. */ |
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#define AR5K_TUNE_RSSI_THRES 129 |
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/* This must be set when setting the RSSI threshold otherwise it can |
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* prevent a reset. If AR5K_RSSI_THR is read after writing to it |
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* the BMISS_THRES will be seen as 0, seems hardware doesn't keep |
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* track of it. Max value depends on hardware. For AR5210 this is just 7. |
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* For AR5211+ this seems to be up to 255. */ |
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#define AR5K_TUNE_BMISS_THRES 7 |
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#define AR5K_TUNE_REGISTER_DWELL_TIME 20000 |
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#define AR5K_TUNE_BEACON_INTERVAL 100 |
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#define AR5K_TUNE_AIFS 2 |
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#define AR5K_TUNE_AIFS_11B 2 |
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#define AR5K_TUNE_AIFS_XR 0 |
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#define AR5K_TUNE_CWMIN 15 |
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#define AR5K_TUNE_CWMIN_11B 31 |
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#define AR5K_TUNE_CWMIN_XR 3 |
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#define AR5K_TUNE_CWMAX 1023 |
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#define AR5K_TUNE_CWMAX_11B 1023 |
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#define AR5K_TUNE_CWMAX_XR 7 |
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#define AR5K_TUNE_NOISE_FLOOR -72 |
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#define AR5K_TUNE_CCA_MAX_GOOD_VALUE -95 |
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#define AR5K_TUNE_MAX_TXPOWER 63 |
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#define AR5K_TUNE_DEFAULT_TXPOWER 25 |
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#define AR5K_TUNE_TPC_TXPOWER false |
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#define ATH5K_TUNE_CALIBRATION_INTERVAL_FULL 60000 /* 60 sec */ |
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#define ATH5K_TUNE_CALIBRATION_INTERVAL_SHORT 10000 /* 10 sec */ |
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#define ATH5K_TUNE_CALIBRATION_INTERVAL_ANI 1000 /* 1 sec */ |
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#define ATH5K_TX_COMPLETE_POLL_INT 3000 /* 3 sec */ |
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#define AR5K_INIT_CARR_SENSE_EN 1 |
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/*Swap RX/TX Descriptor for big endian archs*/ |
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#if defined(__BIG_ENDIAN) |
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#define AR5K_INIT_CFG ( \ |
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AR5K_CFG_SWTD | AR5K_CFG_SWRD \ |
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) |
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#else |
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#define AR5K_INIT_CFG 0x00000000 |
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#endif |
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/* Initial values */ |
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#define AR5K_INIT_CYCRSSI_THR1 2 |
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/* Tx retry limit defaults from standard */ |
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#define AR5K_INIT_RETRY_SHORT 7 |
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#define AR5K_INIT_RETRY_LONG 4 |
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/* Slot time */ |
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#define AR5K_INIT_SLOT_TIME_TURBO 6 |
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#define AR5K_INIT_SLOT_TIME_DEFAULT 9 |
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#define AR5K_INIT_SLOT_TIME_HALF_RATE 13 |
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#define AR5K_INIT_SLOT_TIME_QUARTER_RATE 21 |
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#define AR5K_INIT_SLOT_TIME_B 20 |
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#define AR5K_SLOT_TIME_MAX 0xffff |
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/* SIFS */ |
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#define AR5K_INIT_SIFS_TURBO 6 |
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#define AR5K_INIT_SIFS_DEFAULT_BG 10 |
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#define AR5K_INIT_SIFS_DEFAULT_A 16 |
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#define AR5K_INIT_SIFS_HALF_RATE 32 |
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#define AR5K_INIT_SIFS_QUARTER_RATE 64 |
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/* Used to calculate tx time for non 5/10/40MHz |
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* operation */ |
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/* It's preamble time + signal time (16 + 4) */ |
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#define AR5K_INIT_OFDM_PREAMPLE_TIME 20 |
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/* Preamble time for 40MHz (turbo) operation (min ?) */ |
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#define AR5K_INIT_OFDM_PREAMBLE_TIME_MIN 14 |
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#define AR5K_INIT_OFDM_SYMBOL_TIME 4 |
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#define AR5K_INIT_OFDM_PLCP_BITS 22 |
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/* Rx latency for 5 and 10MHz operation (max ?) */ |
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#define AR5K_INIT_RX_LAT_MAX 63 |
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/* Tx latencies from initvals (5212 only but no problem |
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* because we only tweak them on 5212) */ |
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#define AR5K_INIT_TX_LAT_A 54 |
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#define AR5K_INIT_TX_LAT_BG 384 |
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/* Tx latency for 40MHz (turbo) operation (min ?) */ |
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#define AR5K_INIT_TX_LAT_MIN 32 |
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/* Default Tx/Rx latencies (same for 5211)*/ |
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#define AR5K_INIT_TX_LATENCY_5210 54 |
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#define AR5K_INIT_RX_LATENCY_5210 29 |
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/* Tx frame to Tx data start delay */ |
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#define AR5K_INIT_TXF2TXD_START_DEFAULT 14 |
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#define AR5K_INIT_TXF2TXD_START_DELAY_10MHZ 12 |
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#define AR5K_INIT_TXF2TXD_START_DELAY_5MHZ 13 |
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/* We need to increase PHY switch and agc settling time |
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* on turbo mode */ |
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#define AR5K_SWITCH_SETTLING 5760 |
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#define AR5K_SWITCH_SETTLING_TURBO 7168 |
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#define AR5K_AGC_SETTLING 28 |
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/* 38 on 5210 but shouldn't matter */ |
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#define AR5K_AGC_SETTLING_TURBO 37 |
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/*****************************\ |
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* GENERIC CHIPSET DEFINITIONS * |
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\*****************************/ |
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/** |
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* enum ath5k_version - MAC Chips |
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* @AR5K_AR5210: AR5210 (Crete) |
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* @AR5K_AR5211: AR5211 (Oahu/Maui) |
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* @AR5K_AR5212: AR5212 (Venice) and newer |
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*/ |
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enum ath5k_version { |
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AR5K_AR5210 = 0, |
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AR5K_AR5211 = 1, |
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AR5K_AR5212 = 2, |
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}; |
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/** |
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* enum ath5k_radio - PHY Chips |
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* @AR5K_RF5110: RF5110 (Fez) |
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* @AR5K_RF5111: RF5111 (Sombrero) |
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* @AR5K_RF5112: RF2112/5112(A) (Derby/Derby2) |
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* @AR5K_RF2413: RF2413/2414 (Griffin/Griffin-Lite) |
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* @AR5K_RF5413: RF5413/5414/5424 (Eagle/Condor) |
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* @AR5K_RF2316: RF2315/2316 (Cobra SoC) |
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* @AR5K_RF2317: RF2317 (Spider SoC) |
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* @AR5K_RF2425: RF2425/2417 (Swan/Nalla) |
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*/ |
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enum ath5k_radio { |
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AR5K_RF5110 = 0, |
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AR5K_RF5111 = 1, |
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AR5K_RF5112 = 2, |
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AR5K_RF2413 = 3, |
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AR5K_RF5413 = 4, |
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AR5K_RF2316 = 5, |
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AR5K_RF2317 = 6, |
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AR5K_RF2425 = 7, |
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}; |
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/* |
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* Common silicon revision/version values |
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*/ |
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#define AR5K_SREV_UNKNOWN 0xffff |
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#define AR5K_SREV_AR5210 0x00 /* Crete */ |
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#define AR5K_SREV_AR5311 0x10 /* Maui 1 */ |
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#define AR5K_SREV_AR5311A 0x20 /* Maui 2 */ |
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#define AR5K_SREV_AR5311B 0x30 /* Spirit */ |
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#define AR5K_SREV_AR5211 0x40 /* Oahu */ |
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#define AR5K_SREV_AR5212 0x50 /* Venice */ |
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#define AR5K_SREV_AR5312_R2 0x52 /* AP31 */ |
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#define AR5K_SREV_AR5212_V4 0x54 /* ??? */ |
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#define AR5K_SREV_AR5213 0x55 /* ??? */ |
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#define AR5K_SREV_AR5312_R7 0x57 /* AP30 */ |
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#define AR5K_SREV_AR2313_R8 0x58 /* AP43 */ |
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#define AR5K_SREV_AR5213A 0x59 /* Hainan */ |
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#define AR5K_SREV_AR2413 0x78 /* Griffin lite */ |
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#define AR5K_SREV_AR2414 0x70 /* Griffin */ |
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#define AR5K_SREV_AR2315_R6 0x86 /* AP51-Light */ |
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#define AR5K_SREV_AR2315_R7 0x87 /* AP51-Full */ |
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#define AR5K_SREV_AR5424 0x90 /* Condor */ |
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#define AR5K_SREV_AR2317_R1 0x90 /* AP61-Light */ |
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#define AR5K_SREV_AR2317_R2 0x91 /* AP61-Full */ |
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#define AR5K_SREV_AR5413 0xa4 /* Eagle lite */ |
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#define AR5K_SREV_AR5414 0xa0 /* Eagle */ |
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#define AR5K_SREV_AR2415 0xb0 /* Talon */ |
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#define AR5K_SREV_AR5416 0xc0 /* PCI-E */ |
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#define AR5K_SREV_AR5418 0xca /* PCI-E */ |
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#define AR5K_SREV_AR2425 0xe0 /* Swan */ |
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#define AR5K_SREV_AR2417 0xf0 /* Nala */ |
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#define AR5K_SREV_RAD_5110 0x00 |
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#define AR5K_SREV_RAD_5111 0x10 |
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#define AR5K_SREV_RAD_5111A 0x15 |
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#define AR5K_SREV_RAD_2111 0x20 |
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#define AR5K_SREV_RAD_5112 0x30 |
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#define AR5K_SREV_RAD_5112A 0x35 |
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#define AR5K_SREV_RAD_5112B 0x36 |
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#define AR5K_SREV_RAD_2112 0x40 |
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#define AR5K_SREV_RAD_2112A 0x45 |
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#define AR5K_SREV_RAD_2112B 0x46 |
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#define AR5K_SREV_RAD_2413 0x50 |
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#define AR5K_SREV_RAD_5413 0x60 |
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#define AR5K_SREV_RAD_2316 0x70 /* Cobra SoC */ |
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#define AR5K_SREV_RAD_2317 0x80 |
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#define AR5K_SREV_RAD_5424 0xa0 /* Mostly same as 5413 */ |
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#define AR5K_SREV_RAD_2425 0xa2 |
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#define AR5K_SREV_RAD_5133 0xc0 |
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#define AR5K_SREV_PHY_5211 0x30 |
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#define AR5K_SREV_PHY_5212 0x41 |
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#define AR5K_SREV_PHY_5212A 0x42 |
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#define AR5K_SREV_PHY_5212B 0x43 |
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#define AR5K_SREV_PHY_2413 0x45 |
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#define AR5K_SREV_PHY_5413 0x61 |
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#define AR5K_SREV_PHY_2425 0x70 |
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/* TODO add support to mac80211 for vendor-specific rates and modes */ |
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/** |
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* DOC: Atheros XR |
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* |
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* Some of this information is based on Documentation from: |
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* |
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* http://madwifi-project.org/wiki/ChipsetFeatures/SuperAG |
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* |
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* Atheros' eXtended Range - range enhancing extension is a modulation scheme |
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* that is supposed to double the link distance between an Atheros XR-enabled |
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* client device with an Atheros XR-enabled access point. This is achieved |
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* by increasing the receiver sensitivity up to, -105dBm, which is about 20dB |
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* above what the 802.11 specifications demand. In addition, new (proprietary) |
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* data rates are introduced: 3, 2, 1, 0.5 and 0.25 MBit/s. |
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* |
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* Please note that can you either use XR or TURBO but you cannot use both, |
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* they are exclusive. |
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* |
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* Also note that we do not plan to support XR mode at least for now. You can |
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* get a mode similar to XR by using 5MHz bwmode. |
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*/ |
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/** |
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* DOC: Atheros SuperAG |
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* |
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* In addition to XR we have another modulation scheme called TURBO mode |
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* that is supposed to provide a throughput transmission speed up to 40Mbit/s |
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* -60Mbit/s at a 108Mbit/s signaling rate achieved through the bonding of two |
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* 54Mbit/s 802.11g channels. To use this feature both ends must support it. |
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* There is also a distinction between "static" and "dynamic" turbo modes: |
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* |
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* - Static: is the dumb version: devices set to this mode stick to it until |
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* the mode is turned off. |
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* |
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* - Dynamic: is the intelligent version, the network decides itself if it |
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* is ok to use turbo. As soon as traffic is detected on adjacent channels |
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* (which would get used in turbo mode), or when a non-turbo station joins |
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* the network, turbo mode won't be used until the situation changes again. |
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* Dynamic mode is achieved by Atheros' Adaptive Radio (AR) feature which |
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* monitors the used radio band in order to decide whether turbo mode may |
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* be used or not. |
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* |
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* This article claims Super G sticks to bonding of channels 5 and 6 for |
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* USA: |
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* |
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* https://www.pcworld.com/article/id,113428-page,1/article.html |
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* |
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* The channel bonding seems to be driver specific though. |
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* |
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* In addition to TURBO modes we also have the following features for even |
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* greater speed-up: |
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* |
|
* - Bursting: allows multiple frames to be sent at once, rather than pausing |
|
* after each frame. Bursting is a standards-compliant feature that can be |
|
* used with any Access Point. |
|
* |
|
* - Fast frames: increases the amount of information that can be sent per |
|
* frame, also resulting in a reduction of transmission overhead. It is a |
|
* proprietary feature that needs to be supported by the Access Point. |
|
* |
|
* - Compression: data frames are compressed in real time using a Lempel Ziv |
|
* algorithm. This is done transparently. Once this feature is enabled, |
|
* compression and decompression takes place inside the chipset, without |
|
* putting additional load on the host CPU. |
|
* |
|
* As with XR we also don't plan to support SuperAG features for now. You can |
|
* get a mode similar to TURBO by using 40MHz bwmode. |
|
*/ |
|
|
|
|
|
/** |
|
* enum ath5k_driver_mode - PHY operation mode |
|
* @AR5K_MODE_11A: 802.11a |
|
* @AR5K_MODE_11B: 802.11b |
|
* @AR5K_MODE_11G: 801.11g |
|
* @AR5K_MODE_MAX: Used for boundary checks |
|
* |
|
* Do not change the order here, we use these as |
|
* array indices and it also maps EEPROM structures. |
|
*/ |
|
enum ath5k_driver_mode { |
|
AR5K_MODE_11A = 0, |
|
AR5K_MODE_11B = 1, |
|
AR5K_MODE_11G = 2, |
|
AR5K_MODE_MAX = 3 |
|
}; |
|
|
|
/** |
|
* enum ath5k_ant_mode - Antenna operation mode |
|
* @AR5K_ANTMODE_DEFAULT: Default antenna setup |
|
* @AR5K_ANTMODE_FIXED_A: Only antenna A is present |
|
* @AR5K_ANTMODE_FIXED_B: Only antenna B is present |
|
* @AR5K_ANTMODE_SINGLE_AP: STA locked on a single ap |
|
* @AR5K_ANTMODE_SECTOR_AP: AP with tx antenna set on tx desc |
|
* @AR5K_ANTMODE_SECTOR_STA: STA with tx antenna set on tx desc |
|
* @AR5K_ANTMODE_DEBUG: Debug mode -A -> Rx, B-> Tx- |
|
* @AR5K_ANTMODE_MAX: Used for boundary checks |
|
* |
|
* For more infos on antenna control check out phy.c |
|
*/ |
|
enum ath5k_ant_mode { |
|
AR5K_ANTMODE_DEFAULT = 0, |
|
AR5K_ANTMODE_FIXED_A = 1, |
|
AR5K_ANTMODE_FIXED_B = 2, |
|
AR5K_ANTMODE_SINGLE_AP = 3, |
|
AR5K_ANTMODE_SECTOR_AP = 4, |
|
AR5K_ANTMODE_SECTOR_STA = 5, |
|
AR5K_ANTMODE_DEBUG = 6, |
|
AR5K_ANTMODE_MAX, |
|
}; |
|
|
|
/** |
|
* enum ath5k_bw_mode - Bandwidth operation mode |
|
* @AR5K_BWMODE_DEFAULT: 20MHz, default operation |
|
* @AR5K_BWMODE_5MHZ: Quarter rate |
|
* @AR5K_BWMODE_10MHZ: Half rate |
|
* @AR5K_BWMODE_40MHZ: Turbo |
|
*/ |
|
enum ath5k_bw_mode { |
|
AR5K_BWMODE_DEFAULT = 0, |
|
AR5K_BWMODE_5MHZ = 1, |
|
AR5K_BWMODE_10MHZ = 2, |
|
AR5K_BWMODE_40MHZ = 3 |
|
}; |
|
|
|
|
|
|
|
/****************\ |
|
TX DEFINITIONS |
|
\****************/ |
|
|
|
/** |
|
* struct ath5k_tx_status - TX Status descriptor |
|
* @ts_seqnum: Sequence number |
|
* @ts_tstamp: Timestamp |
|
* @ts_status: Status code |
|
* @ts_final_idx: Final transmission series index |
|
* @ts_final_retry: Final retry count |
|
* @ts_rssi: RSSI for received ACK |
|
* @ts_shortretry: Short retry count |
|
* @ts_virtcol: Virtual collision count |
|
* @ts_antenna: Antenna used |
|
* |
|
* TX status descriptor gets filled by the hw |
|
* on each transmission attempt. |
|
*/ |
|
struct ath5k_tx_status { |
|
u16 ts_seqnum; |
|
u16 ts_tstamp; |
|
u8 ts_status; |
|
u8 ts_final_idx; |
|
u8 ts_final_retry; |
|
s8 ts_rssi; |
|
u8 ts_shortretry; |
|
u8 ts_virtcol; |
|
u8 ts_antenna; |
|
}; |
|
|
|
#define AR5K_TXSTAT_ALTRATE 0x80 |
|
#define AR5K_TXERR_XRETRY 0x01 |
|
#define AR5K_TXERR_FILT 0x02 |
|
#define AR5K_TXERR_FIFO 0x04 |
|
|
|
/** |
|
* enum ath5k_tx_queue - Queue types used to classify tx queues. |
|
* @AR5K_TX_QUEUE_INACTIVE: q is unused -- see ath5k_hw_release_tx_queue |
|
* @AR5K_TX_QUEUE_DATA: A normal data queue |
|
* @AR5K_TX_QUEUE_BEACON: The beacon queue |
|
* @AR5K_TX_QUEUE_CAB: The after-beacon queue |
|
* @AR5K_TX_QUEUE_UAPSD: Unscheduled Automatic Power Save Delivery queue |
|
*/ |
|
enum ath5k_tx_queue { |
|
AR5K_TX_QUEUE_INACTIVE = 0, |
|
AR5K_TX_QUEUE_DATA, |
|
AR5K_TX_QUEUE_BEACON, |
|
AR5K_TX_QUEUE_CAB, |
|
AR5K_TX_QUEUE_UAPSD, |
|
}; |
|
|
|
#define AR5K_NUM_TX_QUEUES 10 |
|
#define AR5K_NUM_TX_QUEUES_NOQCU 2 |
|
|
|
/** |
|
* enum ath5k_tx_queue_subtype - Queue sub-types to classify normal data queues |
|
* @AR5K_WME_AC_BK: Background traffic |
|
* @AR5K_WME_AC_BE: Best-effort (normal) traffic |
|
* @AR5K_WME_AC_VI: Video traffic |
|
* @AR5K_WME_AC_VO: Voice traffic |
|
* |
|
* These are the 4 Access Categories as defined in |
|
* WME spec. 0 is the lowest priority and 4 is the |
|
* highest. Normal data that hasn't been classified |
|
* goes to the Best Effort AC. |
|
*/ |
|
enum ath5k_tx_queue_subtype { |
|
AR5K_WME_AC_BK = 0, |
|
AR5K_WME_AC_BE, |
|
AR5K_WME_AC_VI, |
|
AR5K_WME_AC_VO, |
|
}; |
|
|
|
/** |
|
* enum ath5k_tx_queue_id - Queue ID numbers as returned by the hw functions |
|
* @AR5K_TX_QUEUE_ID_NOQCU_DATA: Data queue on AR5210 (no QCU available) |
|
* @AR5K_TX_QUEUE_ID_NOQCU_BEACON: Beacon queue on AR5210 (no QCU available) |
|
* @AR5K_TX_QUEUE_ID_DATA_MIN: Data queue min index |
|
* @AR5K_TX_QUEUE_ID_DATA_MAX: Data queue max index |
|
* @AR5K_TX_QUEUE_ID_CAB: Content after beacon queue |
|
* @AR5K_TX_QUEUE_ID_BEACON: Beacon queue |
|
* @AR5K_TX_QUEUE_ID_UAPSD: Urgent Automatic Power Save Delivery, |
|
* |
|
* Each number represents a hw queue. If hw does not support hw queues |
|
* (eg 5210) all data goes in one queue. |
|
*/ |
|
enum ath5k_tx_queue_id { |
|
AR5K_TX_QUEUE_ID_NOQCU_DATA = 0, |
|
AR5K_TX_QUEUE_ID_NOQCU_BEACON = 1, |
|
AR5K_TX_QUEUE_ID_DATA_MIN = 0, |
|
AR5K_TX_QUEUE_ID_DATA_MAX = 3, |
|
AR5K_TX_QUEUE_ID_UAPSD = 7, |
|
AR5K_TX_QUEUE_ID_CAB = 8, |
|
AR5K_TX_QUEUE_ID_BEACON = 9, |
|
}; |
|
|
|
/* |
|
* Flags to set hw queue's parameters... |
|
*/ |
|
#define AR5K_TXQ_FLAG_TXOKINT_ENABLE 0x0001 /* Enable TXOK interrupt */ |
|
#define AR5K_TXQ_FLAG_TXERRINT_ENABLE 0x0002 /* Enable TXERR interrupt */ |
|
#define AR5K_TXQ_FLAG_TXEOLINT_ENABLE 0x0004 /* Enable TXEOL interrupt -not used- */ |
|
#define AR5K_TXQ_FLAG_TXDESCINT_ENABLE 0x0008 /* Enable TXDESC interrupt -not used- */ |
|
#define AR5K_TXQ_FLAG_TXURNINT_ENABLE 0x0010 /* Enable TXURN interrupt */ |
|
#define AR5K_TXQ_FLAG_CBRORNINT_ENABLE 0x0020 /* Enable CBRORN interrupt */ |
|
#define AR5K_TXQ_FLAG_CBRURNINT_ENABLE 0x0040 /* Enable CBRURN interrupt */ |
|
#define AR5K_TXQ_FLAG_QTRIGINT_ENABLE 0x0080 /* Enable QTRIG interrupt */ |
|
#define AR5K_TXQ_FLAG_TXNOFRMINT_ENABLE 0x0100 /* Enable TXNOFRM interrupt */ |
|
#define AR5K_TXQ_FLAG_BACKOFF_DISABLE 0x0200 /* Disable random post-backoff */ |
|
#define AR5K_TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE 0x0300 /* Enable ready time expiry policy (?)*/ |
|
#define AR5K_TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE 0x0800 /* Enable backoff while bursting */ |
|
#define AR5K_TXQ_FLAG_POST_FR_BKOFF_DIS 0x1000 /* Disable backoff while bursting */ |
|
#define AR5K_TXQ_FLAG_COMPRESSION_ENABLE 0x2000 /* Enable hw compression -not implemented-*/ |
|
|
|
/** |
|
* struct ath5k_txq - Transmit queue state |
|
* @qnum: Hardware q number |
|
* @link: Link ptr in last TX desc |
|
* @q: Transmit queue (&struct list_head) |
|
* @lock: Lock on q and link |
|
* @setup: Is the queue configured |
|
* @txq_len:Number of queued buffers |
|
* @txq_max: Max allowed num of queued buffers |
|
* @txq_poll_mark: Used to check if queue got stuck |
|
* @txq_stuck: Queue stuck counter |
|
* |
|
* One of these exists for each hardware transmit queue. |
|
* Packets sent to us from above are assigned to queues based |
|
* on their priority. Not all devices support a complete set |
|
* of hardware transmit queues. For those devices the array |
|
* sc_ac2q will map multiple priorities to fewer hardware queues |
|
* (typically all to one hardware queue). |
|
*/ |
|
struct ath5k_txq { |
|
unsigned int qnum; |
|
u32 *link; |
|
struct list_head q; |
|
spinlock_t lock; |
|
bool setup; |
|
int txq_len; |
|
int txq_max; |
|
bool txq_poll_mark; |
|
unsigned int txq_stuck; |
|
}; |
|
|
|
/** |
|
* struct ath5k_txq_info - A struct to hold TX queue's parameters |
|
* @tqi_type: One of enum ath5k_tx_queue |
|
* @tqi_subtype: One of enum ath5k_tx_queue_subtype |
|
* @tqi_flags: TX queue flags (see above) |
|
* @tqi_aifs: Arbitrated Inter-frame Space |
|
* @tqi_cw_min: Minimum Contention Window |
|
* @tqi_cw_max: Maximum Contention Window |
|
* @tqi_cbr_period: Constant bit rate period |
|
* @tqi_ready_time: Time queue waits after an event when RDYTIME is enabled |
|
*/ |
|
struct ath5k_txq_info { |
|
enum ath5k_tx_queue tqi_type; |
|
enum ath5k_tx_queue_subtype tqi_subtype; |
|
u16 tqi_flags; |
|
u8 tqi_aifs; |
|
u16 tqi_cw_min; |
|
u16 tqi_cw_max; |
|
u32 tqi_cbr_period; |
|
u32 tqi_cbr_overflow_limit; |
|
u32 tqi_burst_time; |
|
u32 tqi_ready_time; |
|
}; |
|
|
|
/** |
|
* enum ath5k_pkt_type - Transmit packet types |
|
* @AR5K_PKT_TYPE_NORMAL: Normal data |
|
* @AR5K_PKT_TYPE_ATIM: ATIM |
|
* @AR5K_PKT_TYPE_PSPOLL: PS-Poll |
|
* @AR5K_PKT_TYPE_BEACON: Beacon |
|
* @AR5K_PKT_TYPE_PROBE_RESP: Probe response |
|
* @AR5K_PKT_TYPE_PIFS: PIFS |
|
* Used on tx control descriptor |
|
*/ |
|
enum ath5k_pkt_type { |
|
AR5K_PKT_TYPE_NORMAL = 0, |
|
AR5K_PKT_TYPE_ATIM = 1, |
|
AR5K_PKT_TYPE_PSPOLL = 2, |
|
AR5K_PKT_TYPE_BEACON = 3, |
|
AR5K_PKT_TYPE_PROBE_RESP = 4, |
|
AR5K_PKT_TYPE_PIFS = 5, |
|
}; |
|
|
|
/* |
|
* TX power and TPC settings |
|
*/ |
|
#define AR5K_TXPOWER_OFDM(_r, _v) ( \ |
|
((0 & 1) << ((_v) + 6)) | \ |
|
(((ah->ah_txpower.txp_rates_power_table[(_r)]) & 0x3f) << (_v)) \ |
|
) |
|
|
|
#define AR5K_TXPOWER_CCK(_r, _v) ( \ |
|
(ah->ah_txpower.txp_rates_power_table[(_r)] & 0x3f) << (_v) \ |
|
) |
|
|
|
|
|
|
|
/****************\ |
|
RX DEFINITIONS |
|
\****************/ |
|
|
|
/** |
|
* struct ath5k_rx_status - RX Status descriptor |
|
* @rs_datalen: Data length |
|
* @rs_tstamp: Timestamp |
|
* @rs_status: Status code |
|
* @rs_phyerr: PHY error mask |
|
* @rs_rssi: RSSI in 0.5dbm units |
|
* @rs_keyix: Index to the key used for decrypting |
|
* @rs_rate: Rate used to decode the frame |
|
* @rs_antenna: Antenna used to receive the frame |
|
* @rs_more: Indicates this is a frame fragment (Fast frames) |
|
*/ |
|
struct ath5k_rx_status { |
|
u16 rs_datalen; |
|
u16 rs_tstamp; |
|
u8 rs_status; |
|
u8 rs_phyerr; |
|
s8 rs_rssi; |
|
u8 rs_keyix; |
|
u8 rs_rate; |
|
u8 rs_antenna; |
|
u8 rs_more; |
|
}; |
|
|
|
#define AR5K_RXERR_CRC 0x01 |
|
#define AR5K_RXERR_PHY 0x02 |
|
#define AR5K_RXERR_FIFO 0x04 |
|
#define AR5K_RXERR_DECRYPT 0x08 |
|
#define AR5K_RXERR_MIC 0x10 |
|
#define AR5K_RXKEYIX_INVALID ((u8) -1) |
|
#define AR5K_TXKEYIX_INVALID ((u32) -1) |
|
|
|
|
|
/**************************\ |
|
BEACON TIMERS DEFINITIONS |
|
\**************************/ |
|
|
|
#define AR5K_BEACON_PERIOD 0x0000ffff |
|
#define AR5K_BEACON_ENA 0x00800000 /*enable beacon xmit*/ |
|
#define AR5K_BEACON_RESET_TSF 0x01000000 /*force a TSF reset*/ |
|
|
|
|
|
/* |
|
* TSF to TU conversion: |
|
* |
|
* TSF is a 64bit value in usec (microseconds). |
|
* TU is a 32bit value and defined by IEEE802.11 (page 6) as "A measurement of |
|
* time equal to 1024 usec", so it's roughly milliseconds (usec / 1024). |
|
*/ |
|
#define TSF_TO_TU(_tsf) (u32)((_tsf) >> 10) |
|
|
|
|
|
|
|
/*******************************\ |
|
GAIN OPTIMIZATION DEFINITIONS |
|
\*******************************/ |
|
|
|
/** |
|
* enum ath5k_rfgain - RF Gain optimization engine state |
|
* @AR5K_RFGAIN_INACTIVE: Engine disabled |
|
* @AR5K_RFGAIN_ACTIVE: Probe active |
|
* @AR5K_RFGAIN_READ_REQUESTED: Probe requested |
|
* @AR5K_RFGAIN_NEED_CHANGE: Gain_F needs change |
|
*/ |
|
enum ath5k_rfgain { |
|
AR5K_RFGAIN_INACTIVE = 0, |
|
AR5K_RFGAIN_ACTIVE, |
|
AR5K_RFGAIN_READ_REQUESTED, |
|
AR5K_RFGAIN_NEED_CHANGE, |
|
}; |
|
|
|
/** |
|
* struct ath5k_gain - RF Gain optimization engine state data |
|
* @g_step_idx: Current step index |
|
* @g_current: Current gain |
|
* @g_target: Target gain |
|
* @g_low: Low gain boundary |
|
* @g_high: High gain boundary |
|
* @g_f_corr: Gain_F correction |
|
* @g_state: One of enum ath5k_rfgain |
|
*/ |
|
struct ath5k_gain { |
|
u8 g_step_idx; |
|
u8 g_current; |
|
u8 g_target; |
|
u8 g_low; |
|
u8 g_high; |
|
u8 g_f_corr; |
|
u8 g_state; |
|
}; |
|
|
|
|
|
|
|
/********************\ |
|
COMMON DEFINITIONS |
|
\********************/ |
|
|
|
#define AR5K_SLOT_TIME_9 396 |
|
#define AR5K_SLOT_TIME_20 880 |
|
#define AR5K_SLOT_TIME_MAX 0xffff |
|
|
|
/** |
|
* struct ath5k_athchan_2ghz - 2GHz to 5GHZ map for RF5111 |
|
* @a2_flags: Channel flags (internal) |
|
* @a2_athchan: HW channel number (internal) |
|
* |
|
* This structure is used to map 2GHz channels to |
|
* 5GHz Atheros channels on 2111 frequency converter |
|
* that comes together with RF5111 |
|
* TODO: Clean up |
|
*/ |
|
struct ath5k_athchan_2ghz { |
|
u32 a2_flags; |
|
u16 a2_athchan; |
|
}; |
|
|
|
/** |
|
* enum ath5k_dmasize - DMA size definitions (2^(n+2)) |
|
* @AR5K_DMASIZE_4B: 4Bytes |
|
* @AR5K_DMASIZE_8B: 8Bytes |
|
* @AR5K_DMASIZE_16B: 16Bytes |
|
* @AR5K_DMASIZE_32B: 32Bytes |
|
* @AR5K_DMASIZE_64B: 64Bytes (Default) |
|
* @AR5K_DMASIZE_128B: 128Bytes |
|
* @AR5K_DMASIZE_256B: 256Bytes |
|
* @AR5K_DMASIZE_512B: 512Bytes |
|
* |
|
* These are used to set DMA burst size on hw |
|
* |
|
* Note: Some platforms can't handle more than 4Bytes |
|
* be careful on embedded boards. |
|
*/ |
|
enum ath5k_dmasize { |
|
AR5K_DMASIZE_4B = 0, |
|
AR5K_DMASIZE_8B, |
|
AR5K_DMASIZE_16B, |
|
AR5K_DMASIZE_32B, |
|
AR5K_DMASIZE_64B, |
|
AR5K_DMASIZE_128B, |
|
AR5K_DMASIZE_256B, |
|
AR5K_DMASIZE_512B |
|
}; |
|
|
|
|
|
|
|
/******************\ |
|
RATE DEFINITIONS |
|
\******************/ |
|
|
|
/** |
|
* DOC: Rate codes |
|
* |
|
* Seems the ar5xxx hardware supports up to 32 rates, indexed by 1-32. |
|
* |
|
* The rate code is used to get the RX rate or set the TX rate on the |
|
* hardware descriptors. It is also used for internal modulation control |
|
* and settings. |
|
* |
|
* This is the hardware rate map we are aware of (html unfriendly): |
|
* |
|
* Rate code Rate (Kbps) |
|
* --------- ----------- |
|
* 0x01 3000 (XR) |
|
* 0x02 1000 (XR) |
|
* 0x03 250 (XR) |
|
* 0x04 - 05 -Reserved- |
|
* 0x06 2000 (XR) |
|
* 0x07 500 (XR) |
|
* 0x08 48000 (OFDM) |
|
* 0x09 24000 (OFDM) |
|
* 0x0A 12000 (OFDM) |
|
* 0x0B 6000 (OFDM) |
|
* 0x0C 54000 (OFDM) |
|
* 0x0D 36000 (OFDM) |
|
* 0x0E 18000 (OFDM) |
|
* 0x0F 9000 (OFDM) |
|
* 0x10 - 17 -Reserved- |
|
* 0x18 11000L (CCK) |
|
* 0x19 5500L (CCK) |
|
* 0x1A 2000L (CCK) |
|
* 0x1B 1000L (CCK) |
|
* 0x1C 11000S (CCK) |
|
* 0x1D 5500S (CCK) |
|
* 0x1E 2000S (CCK) |
|
* 0x1F -Reserved- |
|
* |
|
* "S" indicates CCK rates with short preamble and "L" with long preamble. |
|
* |
|
* AR5211 has different rate codes for CCK (802.11B) rates. It only uses the |
|
* lowest 4 bits, so they are the same as above with a 0xF mask. |
|
* (0xB, 0xA, 0x9 and 0x8 for 1M, 2M, 5.5M and 11M). |
|
* We handle this in ath5k_setup_bands(). |
|
*/ |
|
#define AR5K_MAX_RATES 32 |
|
|
|
/* B */ |
|
#define ATH5K_RATE_CODE_1M 0x1B |
|
#define ATH5K_RATE_CODE_2M 0x1A |
|
#define ATH5K_RATE_CODE_5_5M 0x19 |
|
#define ATH5K_RATE_CODE_11M 0x18 |
|
/* A and G */ |
|
#define ATH5K_RATE_CODE_6M 0x0B |
|
#define ATH5K_RATE_CODE_9M 0x0F |
|
#define ATH5K_RATE_CODE_12M 0x0A |
|
#define ATH5K_RATE_CODE_18M 0x0E |
|
#define ATH5K_RATE_CODE_24M 0x09 |
|
#define ATH5K_RATE_CODE_36M 0x0D |
|
#define ATH5K_RATE_CODE_48M 0x08 |
|
#define ATH5K_RATE_CODE_54M 0x0C |
|
|
|
/* Adding this flag to rate_code on B rates |
|
* enables short preamble */ |
|
#define AR5K_SET_SHORT_PREAMBLE 0x04 |
|
|
|
/* |
|
* Crypto definitions |
|
*/ |
|
|
|
#define AR5K_KEYCACHE_SIZE 8 |
|
extern bool ath5k_modparam_nohwcrypt; |
|
|
|
/***********************\ |
|
HW RELATED DEFINITIONS |
|
\***********************/ |
|
|
|
/* |
|
* Misc definitions |
|
*/ |
|
#define AR5K_RSSI_EP_MULTIPLIER (1 << 7) |
|
|
|
#define AR5K_ASSERT_ENTRY(_e, _s) do { \ |
|
if (_e >= _s) \ |
|
return false; \ |
|
} while (0) |
|
|
|
/* |
|
* Hardware interrupt abstraction |
|
*/ |
|
|
|
/** |
|
* enum ath5k_int - Hardware interrupt masks helpers |
|
* @AR5K_INT_RXOK: Frame successfully received |
|
* @AR5K_INT_RXDESC: Request RX descriptor/Read RX descriptor |
|
* @AR5K_INT_RXERR: Frame reception failed |
|
* @AR5K_INT_RXNOFRM: No frame received within a specified time period |
|
* @AR5K_INT_RXEOL: Reached "End Of List", means we need more RX descriptors |
|
* @AR5K_INT_RXORN: Indicates we got RX FIFO overrun. Note that Rx overrun is |
|
* not always fatal, on some chips we can continue operation |
|
* without resetting the card, that's why %AR5K_INT_FATAL is not |
|
* common for all chips. |
|
* @AR5K_INT_RX_ALL: Mask to identify all RX related interrupts |
|
* |
|
* @AR5K_INT_TXOK: Frame transmission success |
|
* @AR5K_INT_TXDESC: Request TX descriptor/Read TX status descriptor |
|
* @AR5K_INT_TXERR: Frame transmission failure |
|
* @AR5K_INT_TXEOL: Received End Of List for VEOL (Virtual End Of List). The |
|
* Queue Control Unit (QCU) signals an EOL interrupt only if a |
|
* descriptor's LinkPtr is NULL. For more details, refer to: |
|
* "http://www.freepatentsonline.com/20030225739.html" |
|
* @AR5K_INT_TXNOFRM: No frame was transmitted within a specified time period |
|
* @AR5K_INT_TXURN: Indicates we got TX FIFO underrun. In such case we should |
|
* increase the TX trigger threshold. |
|
* @AR5K_INT_TX_ALL: Mask to identify all TX related interrupts |
|
* |
|
* @AR5K_INT_MIB: Indicates the either Management Information Base counters or |
|
* one of the PHY error counters reached the maximum value and |
|
* should be read and cleared. |
|
* @AR5K_INT_SWI: Software triggered interrupt. |
|
* @AR5K_INT_RXPHY: RX PHY Error |
|
* @AR5K_INT_RXKCM: RX Key cache miss |
|
* @AR5K_INT_SWBA: SoftWare Beacon Alert - indicates its time to send a |
|
* beacon that must be handled in software. The alternative is if |
|
* you have VEOL support, in that case you let the hardware deal |
|
* with things. |
|
* @AR5K_INT_BRSSI: Beacon received with an RSSI value below our threshold |
|
* @AR5K_INT_BMISS: If in STA mode this indicates we have stopped seeing |
|
* beacons from the AP have associated with, we should probably |
|
* try to reassociate. When in IBSS mode this might mean we have |
|
* not received any beacons from any local stations. Note that |
|
* every station in an IBSS schedules to send beacons at the |
|
* Target Beacon Transmission Time (TBTT) with a random backoff. |
|
* @AR5K_INT_BNR: Beacon queue got triggered (DMA beacon alert) while empty. |
|
* @AR5K_INT_TIM: Beacon with local station's TIM bit set |
|
* @AR5K_INT_DTIM: Beacon with DTIM bit and zero DTIM count received |
|
* @AR5K_INT_DTIM_SYNC: DTIM sync lost |
|
* @AR5K_INT_GPIO: GPIO interrupt is used for RF Kill switches connected to |
|
* our GPIO pins. |
|
* @AR5K_INT_BCN_TIMEOUT: Beacon timeout, we waited after TBTT but got noting |
|
* @AR5K_INT_CAB_TIMEOUT: We waited for CAB traffic after the beacon but got |
|
* nothing or an incomplete CAB frame sequence. |
|
* @AR5K_INT_QCBRORN: A queue got it's CBR counter expired |
|
* @AR5K_INT_QCBRURN: A queue got triggered wile empty |
|
* @AR5K_INT_QTRIG: A queue got triggered |
|
* |
|
* @AR5K_INT_FATAL: Fatal errors were encountered, typically caused by bus/DMA |
|
* errors. Indicates we need to reset the card. |
|
* @AR5K_INT_GLOBAL: Used to clear and set the IER |
|
* @AR5K_INT_NOCARD: Signals the card has been removed |
|
* @AR5K_INT_COMMON: Common interrupts shared among MACs with the same |
|
* bit value |
|
* |
|
* These are mapped to take advantage of some common bits |
|
* between the MACs, to be able to set intr properties |
|
* easier. Some of them are not used yet inside hw.c. Most map |
|
* to the respective hw interrupt value as they are common among different |
|
* MACs. |
|
*/ |
|
enum ath5k_int { |
|
AR5K_INT_RXOK = 0x00000001, |
|
AR5K_INT_RXDESC = 0x00000002, |
|
AR5K_INT_RXERR = 0x00000004, |
|
AR5K_INT_RXNOFRM = 0x00000008, |
|
AR5K_INT_RXEOL = 0x00000010, |
|
AR5K_INT_RXORN = 0x00000020, |
|
AR5K_INT_TXOK = 0x00000040, |
|
AR5K_INT_TXDESC = 0x00000080, |
|
AR5K_INT_TXERR = 0x00000100, |
|
AR5K_INT_TXNOFRM = 0x00000200, |
|
AR5K_INT_TXEOL = 0x00000400, |
|
AR5K_INT_TXURN = 0x00000800, |
|
AR5K_INT_MIB = 0x00001000, |
|
AR5K_INT_SWI = 0x00002000, |
|
AR5K_INT_RXPHY = 0x00004000, |
|
AR5K_INT_RXKCM = 0x00008000, |
|
AR5K_INT_SWBA = 0x00010000, |
|
AR5K_INT_BRSSI = 0x00020000, |
|
AR5K_INT_BMISS = 0x00040000, |
|
AR5K_INT_FATAL = 0x00080000, /* Non common */ |
|
AR5K_INT_BNR = 0x00100000, /* Non common */ |
|
AR5K_INT_TIM = 0x00200000, /* Non common */ |
|
AR5K_INT_DTIM = 0x00400000, /* Non common */ |
|
AR5K_INT_DTIM_SYNC = 0x00800000, /* Non common */ |
|
AR5K_INT_GPIO = 0x01000000, |
|
AR5K_INT_BCN_TIMEOUT = 0x02000000, /* Non common */ |
|
AR5K_INT_CAB_TIMEOUT = 0x04000000, /* Non common */ |
|
AR5K_INT_QCBRORN = 0x08000000, /* Non common */ |
|
AR5K_INT_QCBRURN = 0x10000000, /* Non common */ |
|
AR5K_INT_QTRIG = 0x20000000, /* Non common */ |
|
AR5K_INT_GLOBAL = 0x80000000, |
|
|
|
AR5K_INT_TX_ALL = AR5K_INT_TXOK |
|
| AR5K_INT_TXDESC |
|
| AR5K_INT_TXERR |
|
| AR5K_INT_TXNOFRM |
|
| AR5K_INT_TXEOL |
|
| AR5K_INT_TXURN, |
|
|
|
AR5K_INT_RX_ALL = AR5K_INT_RXOK |
|
| AR5K_INT_RXDESC |
|
| AR5K_INT_RXERR |
|
| AR5K_INT_RXNOFRM |
|
| AR5K_INT_RXEOL |
|
| AR5K_INT_RXORN, |
|
|
|
AR5K_INT_COMMON = AR5K_INT_RXOK |
|
| AR5K_INT_RXDESC |
|
| AR5K_INT_RXERR |
|
| AR5K_INT_RXNOFRM |
|
| AR5K_INT_RXEOL |
|
| AR5K_INT_RXORN |
|
| AR5K_INT_TXOK |
|
| AR5K_INT_TXDESC |
|
| AR5K_INT_TXERR |
|
| AR5K_INT_TXNOFRM |
|
| AR5K_INT_TXEOL |
|
| AR5K_INT_TXURN |
|
| AR5K_INT_MIB |
|
| AR5K_INT_SWI |
|
| AR5K_INT_RXPHY |
|
| AR5K_INT_RXKCM |
|
| AR5K_INT_SWBA |
|
| AR5K_INT_BRSSI |
|
| AR5K_INT_BMISS |
|
| AR5K_INT_GPIO |
|
| AR5K_INT_GLOBAL, |
|
|
|
AR5K_INT_NOCARD = 0xffffffff |
|
}; |
|
|
|
/** |
|
* enum ath5k_calibration_mask - Mask which calibration is active at the moment |
|
* @AR5K_CALIBRATION_FULL: Full calibration (AGC + SHORT) |
|
* @AR5K_CALIBRATION_SHORT: Short calibration (NF + I/Q) |
|
* @AR5K_CALIBRATION_NF: Noise Floor calibration |
|
* @AR5K_CALIBRATION_ANI: Adaptive Noise Immunity |
|
*/ |
|
enum ath5k_calibration_mask { |
|
AR5K_CALIBRATION_FULL = 0x01, |
|
AR5K_CALIBRATION_SHORT = 0x02, |
|
AR5K_CALIBRATION_NF = 0x04, |
|
AR5K_CALIBRATION_ANI = 0x08, |
|
}; |
|
|
|
/** |
|
* enum ath5k_power_mode - Power management modes |
|
* @AR5K_PM_UNDEFINED: Undefined |
|
* @AR5K_PM_AUTO: Allow card to sleep if possible |
|
* @AR5K_PM_AWAKE: Force card to wake up |
|
* @AR5K_PM_FULL_SLEEP: Force card to full sleep (DANGEROUS) |
|
* @AR5K_PM_NETWORK_SLEEP: Allow to sleep for a specified duration |
|
* |
|
* Currently only PM_AWAKE is used, FULL_SLEEP and NETWORK_SLEEP/AUTO |
|
* are also known to have problems on some cards. This is not a big |
|
* problem though because we can have almost the same effect as |
|
* FULL_SLEEP by putting card on warm reset (it's almost powered down). |
|
*/ |
|
enum ath5k_power_mode { |
|
AR5K_PM_UNDEFINED = 0, |
|
AR5K_PM_AUTO, |
|
AR5K_PM_AWAKE, |
|
AR5K_PM_FULL_SLEEP, |
|
AR5K_PM_NETWORK_SLEEP, |
|
}; |
|
|
|
/* |
|
* These match net80211 definitions (not used in |
|
* mac80211). |
|
* TODO: Clean this up |
|
*/ |
|
#define AR5K_LED_INIT 0 /*IEEE80211_S_INIT*/ |
|
#define AR5K_LED_SCAN 1 /*IEEE80211_S_SCAN*/ |
|
#define AR5K_LED_AUTH 2 /*IEEE80211_S_AUTH*/ |
|
#define AR5K_LED_ASSOC 3 /*IEEE80211_S_ASSOC*/ |
|
#define AR5K_LED_RUN 4 /*IEEE80211_S_RUN*/ |
|
|
|
/* GPIO-controlled software LED */ |
|
#define AR5K_SOFTLED_PIN 0 |
|
#define AR5K_SOFTLED_ON 0 |
|
#define AR5K_SOFTLED_OFF 1 |
|
|
|
|
|
/* XXX: we *may* move cap_range stuff to struct wiphy */ |
|
struct ath5k_capabilities { |
|
/* |
|
* Supported PHY modes |
|
* (ie. AR5K_MODE_11A, AR5K_MODE_11B, ...) |
|
*/ |
|
DECLARE_BITMAP(cap_mode, AR5K_MODE_MAX); |
|
|
|
/* |
|
* Frequency range (without regulation restrictions) |
|
*/ |
|
struct { |
|
u16 range_2ghz_min; |
|
u16 range_2ghz_max; |
|
u16 range_5ghz_min; |
|
u16 range_5ghz_max; |
|
} cap_range; |
|
|
|
/* |
|
* Values stored in the EEPROM (some of them...) |
|
*/ |
|
struct ath5k_eeprom_info cap_eeprom; |
|
|
|
/* |
|
* Queue information |
|
*/ |
|
struct { |
|
u8 q_tx_num; |
|
} cap_queues; |
|
|
|
bool cap_has_phyerr_counters; |
|
bool cap_has_mrr_support; |
|
bool cap_needs_2GHz_ovr; |
|
}; |
|
|
|
/* size of noise floor history (keep it a power of two) */ |
|
#define ATH5K_NF_CAL_HIST_MAX 8 |
|
struct ath5k_nfcal_hist { |
|
s16 index; /* current index into nfval */ |
|
s16 nfval[ATH5K_NF_CAL_HIST_MAX]; /* last few noise floors */ |
|
}; |
|
|
|
#define ATH5K_LED_MAX_NAME_LEN 31 |
|
|
|
/* |
|
* State for LED triggers |
|
*/ |
|
struct ath5k_led { |
|
char name[ATH5K_LED_MAX_NAME_LEN + 1]; /* name of the LED in sysfs */ |
|
struct ath5k_hw *ah; /* driver state */ |
|
struct led_classdev led_dev; /* led classdev */ |
|
}; |
|
|
|
/* Rfkill */ |
|
struct ath5k_rfkill { |
|
/* GPIO PIN for rfkill */ |
|
u16 gpio; |
|
/* polarity of rfkill GPIO PIN */ |
|
bool polarity; |
|
/* RFKILL toggle tasklet */ |
|
struct tasklet_struct toggleq; |
|
}; |
|
|
|
/* statistics */ |
|
struct ath5k_statistics { |
|
/* antenna use */ |
|
unsigned int antenna_rx[5]; /* frames count per antenna RX */ |
|
unsigned int antenna_tx[5]; /* frames count per antenna TX */ |
|
|
|
/* frame errors */ |
|
unsigned int rx_all_count; /* all RX frames, including errors */ |
|
unsigned int tx_all_count; /* all TX frames, including errors */ |
|
unsigned int rx_bytes_count; /* all RX bytes, including errored pkts |
|
* and the MAC headers for each packet |
|
*/ |
|
unsigned int tx_bytes_count; /* all TX bytes, including errored pkts |
|
* and the MAC headers and padding for |
|
* each packet. |
|
*/ |
|
unsigned int rxerr_crc; |
|
unsigned int rxerr_phy; |
|
unsigned int rxerr_phy_code[32]; |
|
unsigned int rxerr_fifo; |
|
unsigned int rxerr_decrypt; |
|
unsigned int rxerr_mic; |
|
unsigned int rxerr_proc; |
|
unsigned int rxerr_jumbo; |
|
unsigned int txerr_retry; |
|
unsigned int txerr_fifo; |
|
unsigned int txerr_filt; |
|
|
|
/* MIB counters */ |
|
unsigned int ack_fail; |
|
unsigned int rts_fail; |
|
unsigned int rts_ok; |
|
unsigned int fcs_error; |
|
unsigned int beacons; |
|
|
|
unsigned int mib_intr; |
|
unsigned int rxorn_intr; |
|
unsigned int rxeol_intr; |
|
}; |
|
|
|
/* |
|
* Misc defines |
|
*/ |
|
|
|
#define AR5K_MAX_GPIO 10 |
|
#define AR5K_MAX_RF_BANKS 8 |
|
|
|
#if CHAN_DEBUG |
|
#define ATH_CHAN_MAX (26 + 26 + 26 + 200 + 200) |
|
#else |
|
#define ATH_CHAN_MAX (14 + 14 + 14 + 252 + 20) |
|
#endif |
|
|
|
#define ATH_RXBUF 40 /* number of RX buffers */ |
|
#define ATH_TXBUF 200 /* number of TX buffers */ |
|
#define ATH_BCBUF 4 /* number of beacon buffers */ |
|
#define ATH5K_TXQ_LEN_MAX (ATH_TXBUF / 4) /* bufs per queue */ |
|
#define ATH5K_TXQ_LEN_LOW (ATH5K_TXQ_LEN_MAX / 2) /* low mark */ |
|
|
|
DECLARE_EWMA(beacon_rssi, 10, 8) |
|
|
|
/* Driver state associated with an instance of a device */ |
|
struct ath5k_hw { |
|
struct ath_common common; |
|
|
|
struct pci_dev *pdev; |
|
struct device *dev; /* for dma mapping */ |
|
int irq; |
|
u16 devid; |
|
void __iomem *iobase; /* address of the device */ |
|
struct mutex lock; /* dev-level lock */ |
|
struct ieee80211_hw *hw; /* IEEE 802.11 common */ |
|
struct ieee80211_supported_band sbands[NUM_NL80211_BANDS]; |
|
struct ieee80211_channel channels[ATH_CHAN_MAX]; |
|
struct ieee80211_rate rates[NUM_NL80211_BANDS][AR5K_MAX_RATES]; |
|
s8 rate_idx[NUM_NL80211_BANDS][AR5K_MAX_RATES]; |
|
enum nl80211_iftype opmode; |
|
|
|
#ifdef CONFIG_ATH5K_DEBUG |
|
struct ath5k_dbg_info debug; /* debug info */ |
|
#endif /* CONFIG_ATH5K_DEBUG */ |
|
|
|
struct ath5k_buf *bufptr; /* allocated buffer ptr */ |
|
struct ath5k_desc *desc; /* TX/RX descriptors */ |
|
dma_addr_t desc_daddr; /* DMA (physical) address */ |
|
size_t desc_len; /* size of TX/RX descriptors */ |
|
|
|
DECLARE_BITMAP(status, 4); |
|
#define ATH_STAT_INVALID 0 /* disable hardware accesses */ |
|
#define ATH_STAT_LEDSOFT 2 /* enable LED gpio status */ |
|
#define ATH_STAT_STARTED 3 /* opened & irqs enabled */ |
|
#define ATH_STAT_RESET 4 /* hw reset */ |
|
|
|
unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */ |
|
unsigned int fif_filter_flags; /* Current FIF_* filter flags */ |
|
struct ieee80211_channel *curchan; /* current h/w channel */ |
|
|
|
u16 nvifs; |
|
|
|
enum ath5k_int imask; /* interrupt mask copy */ |
|
|
|
spinlock_t irqlock; |
|
bool rx_pending; /* rx tasklet pending */ |
|
bool tx_pending; /* tx tasklet pending */ |
|
|
|
u8 bssidmask[ETH_ALEN]; |
|
|
|
unsigned int led_pin, /* GPIO pin for driving LED */ |
|
led_on; /* pin setting for LED on */ |
|
|
|
struct work_struct reset_work; /* deferred chip reset */ |
|
struct work_struct calib_work; /* deferred phy calibration */ |
|
|
|
struct list_head rxbuf; /* receive buffer */ |
|
spinlock_t rxbuflock; |
|
u32 *rxlink; /* link ptr in last RX desc */ |
|
struct tasklet_struct rxtq; /* rx intr tasklet */ |
|
struct ath5k_led rx_led; /* rx led */ |
|
|
|
struct list_head txbuf; /* transmit buffer */ |
|
spinlock_t txbuflock; |
|
unsigned int txbuf_len; /* buf count in txbuf list */ |
|
struct ath5k_txq txqs[AR5K_NUM_TX_QUEUES]; /* tx queues */ |
|
struct tasklet_struct txtq; /* tx intr tasklet */ |
|
struct ath5k_led tx_led; /* tx led */ |
|
|
|
struct ath5k_rfkill rf_kill; |
|
|
|
spinlock_t block; /* protects beacon */ |
|
struct tasklet_struct beacontq; /* beacon intr tasklet */ |
|
struct list_head bcbuf; /* beacon buffer */ |
|
struct ieee80211_vif *bslot[ATH_BCBUF]; |
|
u16 num_ap_vifs; |
|
u16 num_adhoc_vifs; |
|
u16 num_mesh_vifs; |
|
unsigned int bhalq, /* SW q for outgoing beacons */ |
|
bmisscount, /* missed beacon transmits */ |
|
bintval, /* beacon interval in TU */ |
|
bsent; |
|
unsigned int nexttbtt; /* next beacon time in TU */ |
|
struct ath5k_txq *cabq; /* content after beacon */ |
|
|
|
bool assoc; /* associate state */ |
|
bool enable_beacon; /* true if beacons are on */ |
|
|
|
struct ath5k_statistics stats; |
|
|
|
struct ath5k_ani_state ani_state; |
|
struct tasklet_struct ani_tasklet; /* ANI calibration */ |
|
|
|
struct delayed_work tx_complete_work; |
|
|
|
struct survey_info survey; /* collected survey info */ |
|
|
|
enum ath5k_int ah_imr; |
|
|
|
struct ieee80211_channel *ah_current_channel; |
|
bool ah_iq_cal_needed; |
|
bool ah_single_chip; |
|
|
|
enum ath5k_version ah_version; |
|
enum ath5k_radio ah_radio; |
|
u32 ah_mac_srev; |
|
u16 ah_mac_version; |
|
u16 ah_phy_revision; |
|
u16 ah_radio_5ghz_revision; |
|
u16 ah_radio_2ghz_revision; |
|
|
|
#define ah_modes ah_capabilities.cap_mode |
|
#define ah_ee_version ah_capabilities.cap_eeprom.ee_version |
|
|
|
u8 ah_retry_long; |
|
u8 ah_retry_short; |
|
|
|
bool ah_use_32khz_clock; |
|
|
|
u8 ah_coverage_class; |
|
bool ah_ack_bitrate_high; |
|
u8 ah_bwmode; |
|
bool ah_short_slot; |
|
|
|
/* Antenna Control */ |
|
u32 ah_ant_ctl[AR5K_EEPROM_N_MODES][AR5K_ANT_MAX]; |
|
u8 ah_ant_mode; |
|
u8 ah_tx_ant; |
|
u8 ah_def_ant; |
|
|
|
struct ath5k_capabilities ah_capabilities; |
|
|
|
struct ath5k_txq_info ah_txq[AR5K_NUM_TX_QUEUES]; |
|
u32 ah_txq_status; |
|
u32 ah_txq_imr_txok; |
|
u32 ah_txq_imr_txerr; |
|
u32 ah_txq_imr_txurn; |
|
u32 ah_txq_imr_txdesc; |
|
u32 ah_txq_imr_txeol; |
|
u32 ah_txq_imr_cbrorn; |
|
u32 ah_txq_imr_cbrurn; |
|
u32 ah_txq_imr_qtrig; |
|
u32 ah_txq_imr_nofrm; |
|
|
|
u32 ah_txq_isr_txok_all; |
|
u32 ah_txq_isr_txurn; |
|
u32 ah_txq_isr_qcborn; |
|
u32 ah_txq_isr_qcburn; |
|
u32 ah_txq_isr_qtrig; |
|
|
|
u32 *ah_rf_banks; |
|
size_t ah_rf_banks_size; |
|
size_t ah_rf_regs_count; |
|
struct ath5k_gain ah_gain; |
|
u8 ah_offset[AR5K_MAX_RF_BANKS]; |
|
|
|
|
|
struct { |
|
/* Temporary tables used for interpolation */ |
|
u8 tmpL[AR5K_EEPROM_N_PD_GAINS] |
|
[AR5K_EEPROM_POWER_TABLE_SIZE]; |
|
u8 tmpR[AR5K_EEPROM_N_PD_GAINS] |
|
[AR5K_EEPROM_POWER_TABLE_SIZE]; |
|
u8 txp_pd_table[AR5K_EEPROM_POWER_TABLE_SIZE * 2]; |
|
u16 txp_rates_power_table[AR5K_MAX_RATES]; |
|
u8 txp_min_idx; |
|
bool txp_tpc; |
|
/* Values in 0.25dB units */ |
|
s16 txp_min_pwr; |
|
s16 txp_max_pwr; |
|
s16 txp_cur_pwr; |
|
/* Values in 0.5dB units */ |
|
s16 txp_offset; |
|
s16 txp_ofdm; |
|
s16 txp_cck_ofdm_gainf_delta; |
|
/* Value in dB units */ |
|
s16 txp_cck_ofdm_pwr_delta; |
|
bool txp_setup; |
|
int txp_requested; /* Requested tx power in dBm */ |
|
} ah_txpower; |
|
|
|
struct ath5k_nfcal_hist ah_nfcal_hist; |
|
|
|
/* average beacon RSSI in our BSS (used by ANI) */ |
|
struct ewma_beacon_rssi ah_beacon_rssi_avg; |
|
|
|
/* noise floor from last periodic calibration */ |
|
s32 ah_noise_floor; |
|
|
|
/* Calibration timestamp */ |
|
unsigned long ah_cal_next_full; |
|
unsigned long ah_cal_next_short; |
|
unsigned long ah_cal_next_ani; |
|
|
|
/* Calibration mask */ |
|
u8 ah_cal_mask; |
|
|
|
/* |
|
* Function pointers |
|
*/ |
|
int (*ah_setup_tx_desc)(struct ath5k_hw *, struct ath5k_desc *, |
|
unsigned int, unsigned int, int, enum ath5k_pkt_type, |
|
unsigned int, unsigned int, unsigned int, unsigned int, |
|
unsigned int, unsigned int, unsigned int, unsigned int); |
|
int (*ah_proc_tx_desc)(struct ath5k_hw *, struct ath5k_desc *, |
|
struct ath5k_tx_status *); |
|
int (*ah_proc_rx_desc)(struct ath5k_hw *, struct ath5k_desc *, |
|
struct ath5k_rx_status *); |
|
}; |
|
|
|
struct ath_bus_ops { |
|
enum ath_bus_type ath_bus_type; |
|
void (*read_cachesize)(struct ath_common *common, int *csz); |
|
bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data); |
|
int (*eeprom_read_mac)(struct ath5k_hw *ah, u8 *mac); |
|
}; |
|
|
|
/* |
|
* Prototypes |
|
*/ |
|
extern const struct ieee80211_ops ath5k_hw_ops; |
|
|
|
/* Initialization and detach functions */ |
|
int ath5k_hw_init(struct ath5k_hw *ah); |
|
void ath5k_hw_deinit(struct ath5k_hw *ah); |
|
|
|
int ath5k_sysfs_register(struct ath5k_hw *ah); |
|
void ath5k_sysfs_unregister(struct ath5k_hw *ah); |
|
|
|
/*Chip id helper functions */ |
|
int ath5k_hw_read_srev(struct ath5k_hw *ah); |
|
|
|
/* LED functions */ |
|
int ath5k_init_leds(struct ath5k_hw *ah); |
|
void ath5k_led_enable(struct ath5k_hw *ah); |
|
void ath5k_led_off(struct ath5k_hw *ah); |
|
void ath5k_unregister_leds(struct ath5k_hw *ah); |
|
|
|
|
|
/* Reset Functions */ |
|
int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, struct ieee80211_channel *channel); |
|
int ath5k_hw_on_hold(struct ath5k_hw *ah); |
|
int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, |
|
struct ieee80211_channel *channel, bool fast, bool skip_pcu); |
|
int ath5k_hw_register_timeout(struct ath5k_hw *ah, u32 reg, u32 flag, u32 val, |
|
bool is_set); |
|
/* Power management functions */ |
|
|
|
|
|
/* Clock rate related functions */ |
|
unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec); |
|
unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock); |
|
void ath5k_hw_set_clockrate(struct ath5k_hw *ah); |
|
|
|
|
|
/* DMA Related Functions */ |
|
void ath5k_hw_start_rx_dma(struct ath5k_hw *ah); |
|
u32 ath5k_hw_get_rxdp(struct ath5k_hw *ah); |
|
int ath5k_hw_set_rxdp(struct ath5k_hw *ah, u32 phys_addr); |
|
int ath5k_hw_start_tx_dma(struct ath5k_hw *ah, unsigned int queue); |
|
int ath5k_hw_stop_beacon_queue(struct ath5k_hw *ah, unsigned int queue); |
|
u32 ath5k_hw_get_txdp(struct ath5k_hw *ah, unsigned int queue); |
|
int ath5k_hw_set_txdp(struct ath5k_hw *ah, unsigned int queue, |
|
u32 phys_addr); |
|
int ath5k_hw_update_tx_triglevel(struct ath5k_hw *ah, bool increase); |
|
/* Interrupt handling */ |
|
bool ath5k_hw_is_intr_pending(struct ath5k_hw *ah); |
|
int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask); |
|
enum ath5k_int ath5k_hw_set_imr(struct ath5k_hw *ah, enum ath5k_int new_mask); |
|
void ath5k_hw_update_mib_counters(struct ath5k_hw *ah); |
|
/* Init/Stop functions */ |
|
void ath5k_hw_dma_init(struct ath5k_hw *ah); |
|
int ath5k_hw_dma_stop(struct ath5k_hw *ah); |
|
|
|
/* EEPROM access functions */ |
|
int ath5k_eeprom_init(struct ath5k_hw *ah); |
|
void ath5k_eeprom_detach(struct ath5k_hw *ah); |
|
int ath5k_eeprom_mode_from_channel(struct ath5k_hw *ah, |
|
struct ieee80211_channel *channel); |
|
|
|
/* Protocol Control Unit Functions */ |
|
/* Helpers */ |
|
int ath5k_hw_get_frame_duration(struct ath5k_hw *ah, enum nl80211_band band, |
|
int len, struct ieee80211_rate *rate, bool shortpre); |
|
unsigned int ath5k_hw_get_default_slottime(struct ath5k_hw *ah); |
|
unsigned int ath5k_hw_get_default_sifs(struct ath5k_hw *ah); |
|
int ath5k_hw_set_opmode(struct ath5k_hw *ah, enum nl80211_iftype opmode); |
|
void ath5k_hw_set_coverage_class(struct ath5k_hw *ah, u8 coverage_class); |
|
/* RX filter control*/ |
|
int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac); |
|
void ath5k_hw_set_bssid(struct ath5k_hw *ah); |
|
void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask); |
|
void ath5k_hw_set_mcast_filter(struct ath5k_hw *ah, u32 filter0, u32 filter1); |
|
u32 ath5k_hw_get_rx_filter(struct ath5k_hw *ah); |
|
void ath5k_hw_set_rx_filter(struct ath5k_hw *ah, u32 filter); |
|
/* Receive (DRU) start/stop functions */ |
|
void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah); |
|
void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah); |
|
/* Beacon control functions */ |
|
u64 ath5k_hw_get_tsf64(struct ath5k_hw *ah); |
|
void ath5k_hw_set_tsf64(struct ath5k_hw *ah, u64 tsf64); |
|
void ath5k_hw_reset_tsf(struct ath5k_hw *ah); |
|
void ath5k_hw_init_beacon_timers(struct ath5k_hw *ah, u32 next_beacon, |
|
u32 interval); |
|
bool ath5k_hw_check_beacon_timers(struct ath5k_hw *ah, int intval); |
|
/* Init function */ |
|
void ath5k_hw_pcu_init(struct ath5k_hw *ah, enum nl80211_iftype op_mode); |
|
|
|
/* Queue Control Unit, DFS Control Unit Functions */ |
|
int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue, |
|
struct ath5k_txq_info *queue_info); |
|
int ath5k_hw_set_tx_queueprops(struct ath5k_hw *ah, int queue, |
|
const struct ath5k_txq_info *queue_info); |
|
int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, |
|
enum ath5k_tx_queue queue_type, |
|
struct ath5k_txq_info *queue_info); |
|
void ath5k_hw_set_tx_retry_limits(struct ath5k_hw *ah, |
|
unsigned int queue); |
|
u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue); |
|
void ath5k_hw_release_tx_queue(struct ath5k_hw *ah, unsigned int queue); |
|
int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue); |
|
int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time); |
|
/* Init function */ |
|
int ath5k_hw_init_queues(struct ath5k_hw *ah); |
|
|
|
/* Hardware Descriptor Functions */ |
|
int ath5k_hw_init_desc_functions(struct ath5k_hw *ah); |
|
int ath5k_hw_setup_rx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, |
|
u32 size, unsigned int flags); |
|
int ath5k_hw_setup_mrr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, |
|
unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2, |
|
u_int tx_tries2, unsigned int tx_rate3, u_int tx_tries3); |
|
|
|
|
|
/* GPIO Functions */ |
|
void ath5k_hw_set_ledstate(struct ath5k_hw *ah, unsigned int state); |
|
int ath5k_hw_set_gpio_input(struct ath5k_hw *ah, u32 gpio); |
|
int ath5k_hw_set_gpio_output(struct ath5k_hw *ah, u32 gpio); |
|
u32 ath5k_hw_get_gpio(struct ath5k_hw *ah, u32 gpio); |
|
int ath5k_hw_set_gpio(struct ath5k_hw *ah, u32 gpio, u32 val); |
|
void ath5k_hw_set_gpio_intr(struct ath5k_hw *ah, unsigned int gpio, |
|
u32 interrupt_level); |
|
|
|
|
|
/* RFkill Functions */ |
|
void ath5k_rfkill_hw_start(struct ath5k_hw *ah); |
|
void ath5k_rfkill_hw_stop(struct ath5k_hw *ah); |
|
|
|
|
|
/* Misc functions TODO: Cleanup */ |
|
int ath5k_hw_set_capabilities(struct ath5k_hw *ah); |
|
int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, u16 assoc_id); |
|
int ath5k_hw_disable_pspoll(struct ath5k_hw *ah); |
|
|
|
|
|
/* Initial register settings functions */ |
|
int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel); |
|
|
|
|
|
/* PHY functions */ |
|
/* Misc PHY functions */ |
|
u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, enum nl80211_band band); |
|
int ath5k_hw_phy_disable(struct ath5k_hw *ah); |
|
/* Gain_F optimization */ |
|
enum ath5k_rfgain ath5k_hw_gainf_calibrate(struct ath5k_hw *ah); |
|
int ath5k_hw_rfgain_opt_init(struct ath5k_hw *ah); |
|
/* PHY/RF channel functions */ |
|
bool ath5k_channel_ok(struct ath5k_hw *ah, struct ieee80211_channel *channel); |
|
/* PHY calibration */ |
|
void ath5k_hw_init_nfcal_hist(struct ath5k_hw *ah); |
|
int ath5k_hw_phy_calibrate(struct ath5k_hw *ah, |
|
struct ieee80211_channel *channel); |
|
void ath5k_hw_update_noise_floor(struct ath5k_hw *ah); |
|
/* Spur mitigation */ |
|
bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah, |
|
struct ieee80211_channel *channel); |
|
/* Antenna control */ |
|
void ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode); |
|
void ath5k_hw_set_antenna_switch(struct ath5k_hw *ah, u8 ee_mode); |
|
/* TX power setup */ |
|
int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower); |
|
/* Init function */ |
|
int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel, |
|
u8 mode, bool fast); |
|
|
|
/* |
|
* Functions used internally |
|
*/ |
|
|
|
static inline struct ath_common *ath5k_hw_common(struct ath5k_hw *ah) |
|
{ |
|
return &ah->common; |
|
} |
|
|
|
static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah) |
|
{ |
|
return &(ath5k_hw_common(ah)->regulatory); |
|
} |
|
|
|
#ifdef CONFIG_ATH5K_AHB |
|
#define AR5K_AR2315_PCI_BASE ((void __iomem *)0xb0100000) |
|
|
|
static inline void __iomem *ath5k_ahb_reg(struct ath5k_hw *ah, u16 reg) |
|
{ |
|
/* On AR2315 and AR2317 the PCI clock domain registers |
|
* are outside of the WMAC register space */ |
|
if (unlikely((reg >= 0x4000) && (reg < 0x5000) && |
|
(ah->ah_mac_srev >= AR5K_SREV_AR2315_R6))) |
|
return AR5K_AR2315_PCI_BASE + reg; |
|
|
|
return ah->iobase + reg; |
|
} |
|
|
|
static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg) |
|
{ |
|
return ioread32(ath5k_ahb_reg(ah, reg)); |
|
} |
|
|
|
static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg) |
|
{ |
|
iowrite32(val, ath5k_ahb_reg(ah, reg)); |
|
} |
|
|
|
#else |
|
|
|
static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg) |
|
{ |
|
return ioread32(ah->iobase + reg); |
|
} |
|
|
|
static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg) |
|
{ |
|
iowrite32(val, ah->iobase + reg); |
|
} |
|
|
|
#endif |
|
|
|
static inline enum ath_bus_type ath5k_get_bus_type(struct ath5k_hw *ah) |
|
{ |
|
return ath5k_hw_common(ah)->bus_ops->ath_bus_type; |
|
} |
|
|
|
static inline void ath5k_read_cachesize(struct ath_common *common, int *csz) |
|
{ |
|
common->bus_ops->read_cachesize(common, csz); |
|
} |
|
|
|
static inline bool ath5k_hw_nvram_read(struct ath5k_hw *ah, u32 off, u16 *data) |
|
{ |
|
struct ath_common *common = ath5k_hw_common(ah); |
|
return common->bus_ops->eeprom_read(common, off, data); |
|
} |
|
|
|
static inline u32 ath5k_hw_bitswap(u32 val, unsigned int bits) |
|
{ |
|
u32 retval = 0, bit, i; |
|
|
|
for (i = 0; i < bits; i++) { |
|
bit = (val >> i) & 1; |
|
retval = (retval << 1) | bit; |
|
} |
|
|
|
return retval; |
|
} |
|
|
|
#endif
|
|
|