cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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btcoex.h (3940B)

      1/*
      2 * Copyright (c) 2009-2011 Atheros Communications Inc.
      3 *
      4 * Permission to use, copy, modify, and/or distribute this software for any
      5 * purpose with or without fee is hereby granted, provided that the above
      6 * copyright notice and this permission notice appear in all copies.
      7 *
      8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     15 */
     16
     17#ifndef BTCOEX_H
     18#define BTCOEX_H
     19
     20#include "hw.h"
     21
     22#define ATH_WLANACTIVE_GPIO_9280     5
     23#define ATH_BTACTIVE_GPIO_9280       6
     24#define ATH_BTPRIORITY_GPIO_9285     7
     25
     26#define ATH_WLANACTIVE_GPIO_9300     5
     27#define ATH_BTACTIVE_GPIO_9300       4
     28#define ATH_BTPRIORITY_GPIO_9300     8
     29
     30#define ATH_BTCOEX_DEF_BT_PERIOD  45
     31#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
     32#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
     33#define ATH_BTCOEX_BMISS_THRESH   50
     34
     35#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
     36#define ATH_BT_CNT_THRESHOLD	       3
     37#define ATH_BT_CNT_SCAN_THRESHOLD      15
     38
     39#define ATH_BTCOEX_RX_WAIT_TIME       100
     40#define ATH_BTCOEX_STOMP_FTP_THRESH   5
     41
     42#define ATH_BTCOEX_HT20_MAX_TXPOWER   0x14
     43#define ATH_BTCOEX_HT40_MAX_TXPOWER   0x10
     44
     45#define AR9300_NUM_BT_WEIGHTS   4
     46#define AR9300_NUM_WLAN_WEIGHTS 4
     47
     48#define ATH_AIC_MAX_BT_CHANNEL  79
     49
     50/* Defines the BT AR_BT_COEX_WGHT used */
     51enum ath_stomp_type {
     52	ATH_BTCOEX_STOMP_ALL,
     53	ATH_BTCOEX_STOMP_LOW,
     54	ATH_BTCOEX_STOMP_NONE,
     55	ATH_BTCOEX_STOMP_LOW_FTP,
     56	ATH_BTCOEX_STOMP_AUDIO,
     57	ATH_BTCOEX_STOMP_MAX
     58};
     59
     60enum ath_btcoex_scheme {
     61	ATH_BTCOEX_CFG_NONE,
     62	ATH_BTCOEX_CFG_2WIRE,
     63	ATH_BTCOEX_CFG_3WIRE,
     64	ATH_BTCOEX_CFG_MCI,
     65};
     66
     67struct ath9k_hw_mci {
     68	u32 raw_intr;
     69	u32 rx_msg_intr;
     70	u32 cont_status;
     71	u32 gpm_addr;
     72	u32 gpm_len;
     73	u32 gpm_idx;
     74	u32 sched_addr;
     75	u32 wlan_channels[4];
     76	u32 wlan_cal_seq;
     77	u32 wlan_cal_done;
     78	u32 config;
     79	u8 *gpm_buf;
     80	bool ready;
     81	bool update_2g5g;
     82	bool is_2g;
     83	bool query_bt;
     84	bool unhalt_bt_gpm; /* need send UNHALT */
     85	bool halted_bt_gpm; /* HALT sent */
     86	bool need_flush_btinfo;
     87	bool bt_version_known;
     88	bool wlan_channels_update;
     89	u8 wlan_ver_major;
     90	u8 wlan_ver_minor;
     91	u8 bt_ver_major;
     92	u8 bt_ver_minor;
     93	u8 bt_state;
     94	u8 stomp_ftp;
     95	bool concur_tx;
     96	u32 last_recovery;
     97};
     98
     99struct ath9k_hw_aic {
    100	bool aic_enabled;
    101	u8 aic_cal_state;
    102	u8 aic_caled_chan;
    103	u32 aic_sram[ATH_AIC_MAX_BT_CHANNEL];
    104	u32 aic_cal_start_time;
    105};
    106
    107struct ath_btcoex_hw {
    108	enum ath_btcoex_scheme scheme;
    109	struct ath9k_hw_mci mci;
    110	struct ath9k_hw_aic aic;
    111	bool enabled;
    112	u8 wlanactive_gpio;
    113	u8 btactive_gpio;
    114	u8 btpriority_gpio;
    115	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
    116	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
    117	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
    118	u32 bt_coex_mode3;	/* Register setting for AR_BT_COEX_MODE3 */
    119	u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
    120	u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
    121	u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
    122};
    123
    124void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
    125void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
    126void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
    127void ath9k_hw_btcoex_deinit(struct ath_hw *ah);
    128void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
    129void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
    130void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
    131				u32 bt_weight,
    132				u32 wlan_weight,
    133				enum ath_stomp_type stomp_type);
    134void ath9k_hw_btcoex_disable(struct ath_hw *ah);
    135void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
    136			      enum ath_stomp_type stomp_type);
    137void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio);
    138
    139#endif