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

   1 /*
   2  * Copyright (c) 2010-2011 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 MCI_H
  18 #define MCI_H
  19
  20 #define ATH_MCI_SCHED_BUF_SIZE          (16 * 16) /* 16 entries, 4 dword each */
  21 #define ATH_MCI_GPM_MAX_ENTRY           16
  22 #define ATH_MCI_GPM_BUF_SIZE            (ATH_MCI_GPM_MAX_ENTRY * 16)
  23 #define ATH_MCI_DEF_BT_PERIOD           40
  24 #define ATH_MCI_BDR_DUTY_CYCLE          20
  25 #define ATH_MCI_MAX_DUTY_CYCLE          90
  26
  27 #define ATH_MCI_DEF_AGGR_LIMIT          6 /* in 0.24 ms */
  28 #define ATH_MCI_MAX_ACL_PROFILE         7
  29 #define ATH_MCI_MAX_SCO_PROFILE         1
  30 #define ATH_MCI_MAX_PROFILE             (ATH_MCI_MAX_ACL_PROFILE +\
  31                                          ATH_MCI_MAX_SCO_PROFILE)
  32
  33 #define INC_PROF(_mci, _info) do {               \
  34                 switch (_info->type) {           \
  35                 case MCI_GPM_COEX_PROFILE_RFCOMM:\
  36                         _mci->num_other_acl++;   \
  37                         break;                   \
  38                 case MCI_GPM_COEX_PROFILE_A2DP:  \
  39                         _mci->num_a2dp++;        \
  40                         if (!_info->edr)         \
  41                                 _mci->num_bdr++; \
  42                         break;                   \
  43                 case MCI_GPM_COEX_PROFILE_HID:   \
  44                         _mci->num_hid++;         \
  45                         break;                   \
  46                 case MCI_GPM_COEX_PROFILE_BNEP:  \
  47                         _mci->num_pan++;         \
  48                         break;                   \
  49                 case MCI_GPM_COEX_PROFILE_VOICE: \
  50                         _mci->num_sco++;         \
  51                         break;                   \
  52                 default:                         \
  53                         break;                   \
  54                 }                                \
  55         } while (0)
  56
  57 #define DEC_PROF(_mci, _info) do {               \
  58                 switch (_info->type) {           \
  59                 case MCI_GPM_COEX_PROFILE_RFCOMM:\
  60                         _mci->num_other_acl--;   \
  61                         break;                   \
  62                 case MCI_GPM_COEX_PROFILE_A2DP:  \
  63                         _mci->num_a2dp--;        \
  64                         if (!_info->edr)         \
  65                                 _mci->num_bdr--; \
  66                         break;                   \
  67                 case MCI_GPM_COEX_PROFILE_HID:   \
  68                         _mci->num_hid--;         \
  69                         break;                   \
  70                 case MCI_GPM_COEX_PROFILE_BNEP:  \
  71                         _mci->num_pan--;         \
  72                         break;                   \
  73                 case MCI_GPM_COEX_PROFILE_VOICE: \
  74                         _mci->num_sco--;         \
  75                         break;                   \
  76                 default:                         \
  77                         break;                   \
  78                 }                                \
  79         } while (0)
  80
  81 #define NUM_PROF(_mci)  (_mci->num_other_acl + _mci->num_a2dp + \
  82                          _mci->num_hid + _mci->num_pan + _mci->num_sco)
  83
  84 struct ath_mci_profile_info {
  85         u8 type;
  86         u8 conn_handle;
  87         bool start;
  88         bool master;
  89         bool edr;
  90         u8 voice_type;
  91         u16 T;          /* Voice: Tvoice, HID: Tsniff,        in slots */
  92         u8 W;           /* Voice: Wvoice, HID: Sniff timeout, in slots */
  93         u8 A;           /*                HID: Sniff attempt, in slots */
  94         struct list_head list;
  95 };
  96
  97 struct ath_mci_profile_status {
  98         bool is_critical;
  99         bool is_link;
 100         u8 conn_handle;
 101 };
 102
 103 struct ath_mci_profile {
 104         struct list_head info;
 105         DECLARE_BITMAP(status, ATH_MCI_MAX_PROFILE);
 106         u16 aggr_limit;
 107         u8 num_mgmt;
 108         u8 num_sco;
 109         u8 num_a2dp;
 110         u8 num_hid;
 111         u8 num_pan;
 112         u8 num_other_acl;
 113         u8 num_bdr;
 114 };
 115
 116
 117 struct ath_mci_buf {
 118         void *bf_addr;          /* virtual addr of desc */
 119         dma_addr_t bf_paddr;    /* physical addr of buffer */
 120         u32 bf_len;             /* len of data */
 121 };
 122
 123 struct ath_mci_coex {
 124         atomic_t mci_cal_flag;
 125         struct ath_mci_buf sched_buf;
 126         struct ath_mci_buf gpm_buf;
 127         u32 bt_cal_start;
 128 };
 129
 130 void ath_mci_flush_profile(struct ath_mci_profile *mci);
 131 int ath_mci_setup(struct ath_softc *sc);
 132 void ath_mci_cleanup(struct ath_softc *sc);
 133 void ath_mci_intr(struct ath_softc *sc);
 134 #endif