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/*
* 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 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: \
_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: \
_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;
};
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);
#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
void ath_mci_enable(struct ath_softc *sc);
#else
static inline void ath_mci_enable(struct ath_softc *sc)
{
}
#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
#endif /* MCI_H*/
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