diff options
Diffstat (limited to 'sys/dev/ath/if_ath_btcoex.c')
| -rw-r--r-- | sys/dev/ath/if_ath_btcoex.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/sys/dev/ath/if_ath_btcoex.c b/sys/dev/ath/if_ath_btcoex.c index fff6f3b..b78f866 100644 --- a/sys/dev/ath/if_ath_btcoex.c +++ b/sys/dev/ath/if_ath_btcoex.c @@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$"); #include <sys/sysctl.h> #include <sys/kernel.h> #include <sys/lock.h> +#include <sys/malloc.h> #include <sys/mutex.h> #include <sys/errno.h> @@ -54,6 +55,7 @@ __FBSDID("$FreeBSD$"); #include <sys/socket.h> #include <net/if.h> +#include <net/if_var.h> #include <net/if_media.h> #include <net/if_arp.h> #include <net/ethernet.h> /* XXX for ether_sprintf */ @@ -186,6 +188,72 @@ ath_btcoex_cfg_wb225(struct ath_softc *sc) return (0); } +/* + * Initial AR9462 / (WB222) bluetooth coexistence settings, + * just for experimentation. + * + * Return 0 for OK; errno for error. + */ +static int +ath_btcoex_cfg_wb222(struct ath_softc *sc) +{ + HAL_BT_COEX_INFO btinfo; + HAL_BT_COEX_CONFIG btconfig; + struct ath_hal *ah = sc->sc_ah; + + if (! ath_hal_btcoex_supported(ah)) + return (EINVAL); + + bzero(&btinfo, sizeof(btinfo)); + bzero(&btconfig, sizeof(btconfig)); + + device_printf(sc->sc_dev, "Enabling WB222 BTCOEX\n"); + + btinfo.bt_module = HAL_BT_MODULE_JANUS; /* XXX not used? */ + btinfo.bt_coex_config = HAL_BT_COEX_CFG_MCI; + + /* + * MCI uses a completely different interface to speak + * to the bluetooth module - it's a command based + * thing over a serial line, rather than + * state pins to/from the bluetooth module. + * + * So, the GPIO configuration, polarity, etc + * doesn't matter on MCI devices; it's just + * completely ignored by the HAL. + */ + btinfo.bt_gpio_bt_active = 4; + btinfo.bt_gpio_bt_priority = 8; + btinfo.bt_gpio_wlan_active = 5; + + btinfo.bt_active_polarity = 1; /* XXX not used */ + btinfo.bt_single_ant = 0; /* 2 antenna on WB222 */ + btinfo.bt_isolation = 0; /* in dB, not used */ + + ath_hal_btcoex_set_info(ah, &btinfo); + + btconfig.bt_time_extend = 0; + btconfig.bt_txstate_extend = 1; /* true */ + btconfig.bt_txframe_extend = 1; /* true */ + btconfig.bt_mode = HAL_BT_COEX_MODE_SLOTTED; + btconfig.bt_quiet_collision = 1; /* true */ + btconfig.bt_rxclear_polarity = 1; /* true */ + btconfig.bt_priority_time = 2; + btconfig.bt_first_slot_time = 5; + btconfig.bt_hold_rxclear = 1; /* true */ + + ath_hal_btcoex_set_config(ah, &btconfig); + + /* + * Enable antenna diversity. + */ + ath_hal_btcoex_set_parameter(ah, HAL_BT_COEX_ANTENNA_DIVERSITY, 1); + + return (0); +} + + + #if 0 /* @@ -241,6 +309,8 @@ ath_btcoex_attach(struct ath_softc *sc) if (strncmp(profname, "wb195", 5) == 0) { ret = ath_btcoex_cfg_wb195(sc); + } else if (strncmp(profname, "wb222", 5) == 0) { + ret = ath_btcoex_cfg_wb222(sc); } else if (strncmp(profname, "wb225", 5) == 0) { ret = ath_btcoex_cfg_wb225(sc); } else { |
