cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/ath/ath9k/mci.h

/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef MCI_H

#define MCI_H

#include "ar9003_mci.h"


#define ATH_MCI_SCHED_BUF_SIZE		(16 * 16) 
/* 16 entries, 4 dword each */

#define ATH_MCI_GPM_MAX_ENTRY		16

#define ATH_MCI_GPM_BUF_SIZE		(ATH_MCI_GPM_MAX_ENTRY * 16)

#define ATH_MCI_DEF_BT_PERIOD		40

#define ATH_MCI_BDR_DUTY_CYCLE		20

#define ATH_MCI_MAX_DUTY_CYCLE		90


#define ATH_MCI_DEF_AGGR_LIMIT		6 
/* in 0.24 ms */

#define ATH_MCI_MAX_ACL_PROFILE		7

#define ATH_MCI_MAX_SCO_PROFILE		1

#define ATH_MCI_MAX_PROFILE		(ATH_MCI_MAX_ACL_PROFILE +\
                                         ATH_MCI_MAX_SCO_PROFILE)


#define ATH_MCI_INQUIRY_PRIO         62

#define ATH_MCI_HI_PRIO              60

#define ATH_MCI_NUM_BT_CHANNELS      79

#define ATH_MCI_CONCUR_TX_SWITCH      5


#define MCI_GPM_SET_CHANNEL_BIT(_p_gpm, _bt_chan)			  \
	do {                                                              \
                if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) {                 \
                        *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
                                (_bt_chan / 8)) |= (1 << (_bt_chan & 7)); \
                }                                                         \
        } while (0)


#define MCI_GPM_CLR_CHANNEL_BIT(_p_gpm, _bt_chan)			  \
	do {                                                              \
                if (_bt_chan < ATH_MCI_NUM_BT_CHANNELS) {                 \
                        *(((u8 *)(_p_gpm)) + MCI_GPM_COEX_B_CHANNEL_MAP + \
                                (_bt_chan / 8)) &= ~(1 << (_bt_chan & 7));\
                }                                                         \
        } while (0)


#define INC_PROF(_mci, _info) do {             \
                switch (_info->type) {           \
                case MCI_GPM_COEX_PROFILE_RFCOMM:\
                        _mci->num_other_acl++;   \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_A2DP:  \
                        _mci->num_a2dp++;        \
                        if (!_info->edr)         \
                                _mci->num_bdr++; \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_HID:   \
                        _mci->num_hid++;         \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_BNEP:  \
                        _mci->num_pan++;         \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_VOICE: \
                case MCI_GPM_COEX_PROFILE_A2DPVO:\
                        _mci->num_sco++;         \
                        break;                   \
                default:                         \
                        break;                   \
                }                                \
        } while (0)


#define DEC_PROF(_mci, _info) do {             \
                switch (_info->type) {           \
                case MCI_GPM_COEX_PROFILE_RFCOMM:\
                        _mci->num_other_acl--;   \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_A2DP:  \
                        _mci->num_a2dp--;        \
                        if (!_info->edr)         \
                                _mci->num_bdr--; \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_HID:   \
                        _mci->num_hid--;         \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_BNEP:  \
                        _mci->num_pan--;         \
                        break;                   \
                case MCI_GPM_COEX_PROFILE_VOICE: \
                case MCI_GPM_COEX_PROFILE_A2DPVO:\
                        _mci->num_sco--;         \
                        break;                   \
                default:                         \
                        break;                   \
                }                                \
        } while (0)


#define NUM_PROF(_mci)	(_mci->num_other_acl + _mci->num_a2dp + \
                         _mci->num_hid + _mci->num_pan + _mci->num_sco)


struct ath_mci_profile_info {
	
u8 type;
	
u8 conn_handle;
	
bool start;
	
bool master;
	
bool edr;
	
u8 voice_type;
	
u16 T;		/* Voice: Tvoice, HID: Tsniff,        in slots */
	
u8 W;		/* Voice: Wvoice, HID: Sniff timeout, in slots */
	
u8 A;		/*                HID: Sniff attempt, in slots */
	
struct list_head list;
};


struct ath_mci_profile_status {
	
bool is_critical;
	
bool is_link;
	
u8 conn_handle;
};


struct ath_mci_profile {
	
struct list_head info;
	DECLARE_BITMAP(status, ATH_MCI_MAX_PROFILE);
	
u16 aggr_limit;
	
u8 num_mgmt;
	
u8 num_sco;
	
u8 num_a2dp;
	
u8 num_hid;
	
u8 num_pan;
	
u8 num_other_acl;
	
u8 num_bdr;
	
u8 voice_priority;
};


struct ath_mci_buf {
	
void *bf_addr;		/* virtual addr of desc */
	
dma_addr_t bf_paddr;    /* physical addr of buffer */
	
u32 bf_len;		/* len of data */
};


struct ath_mci_coex {
	
struct ath_mci_buf sched_buf;
	
struct ath_mci_buf gpm_buf;
};

void ath_mci_flush_profile(struct ath_mci_profile *mci);
int ath_mci_setup(struct ath_softc *sc);
void ath_mci_cleanup(struct ath_softc *sc);
void ath_mci_intr(struct ath_softc *sc);
void ath9k_mci_update_rssi(struct ath_softc *sc);

#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
void ath_mci_enable(struct ath_softc *sc);
void ath9k_mci_update_wlan_channels(struct ath_softc *sc, bool allow_all);
void ath9k_mci_set_txpower(struct ath_softc *sc, bool setchannel,
			   bool concur_tx);
#else

static inline void ath_mci_enable(struct ath_softc *sc) { }

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Sujith Manoharan11100.00%1100.00%
Total11100.00%1100.00%


static inline void ath9k_mci_update_wlan_channels(struct ath_softc *sc, bool allow_all) { }

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Rajkumar Manoharan14100.00%1100.00%
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static inline void ath9k_mci_set_txpower(struct ath_softc *sc, bool setchannel, bool concur_tx) { }

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#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ #endif /* MCI_H*/

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Rajkumar Manoharan27172.46%550.00%
Mohammed Shafi Shajakhan7118.98%330.00%
Sujith Manoharan328.56%220.00%
Total374100.00%10100.00%
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