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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/btcoex.h')
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
new file mode 100644
index 000000000..1bdfa8465
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2009-2011 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 BTCOEX_H
+#define BTCOEX_H
+
+#include "hw.h"
+
+#define ATH_WLANACTIVE_GPIO_9280 5
+#define ATH_BTACTIVE_GPIO_9280 6
+#define ATH_BTPRIORITY_GPIO_9285 7
+
+#define ATH_WLANACTIVE_GPIO_9300 5
+#define ATH_BTACTIVE_GPIO_9300 4
+#define ATH_BTPRIORITY_GPIO_9300 8
+
+#define ATH_BTCOEX_DEF_BT_PERIOD 45
+#define ATH_BTCOEX_DEF_DUTY_CYCLE 55
+#define ATH_BTCOEX_BTSCAN_DUTY_CYCLE 90
+#define ATH_BTCOEX_BMISS_THRESH 50
+
+#define ATH_BT_PRIORITY_TIME_THRESHOLD 1000 /* ms */
+#define ATH_BT_CNT_THRESHOLD 3
+#define ATH_BT_CNT_SCAN_THRESHOLD 15
+
+#define ATH_BTCOEX_RX_WAIT_TIME 100
+#define ATH_BTCOEX_STOMP_FTP_THRESH 5
+
+#define ATH_BTCOEX_HT20_MAX_TXPOWER 0x14
+#define ATH_BTCOEX_HT40_MAX_TXPOWER 0x10
+
+#define AR9300_NUM_BT_WEIGHTS 4
+#define AR9300_NUM_WLAN_WEIGHTS 4
+
+#define ATH_AIC_MAX_BT_CHANNEL 79
+
+/* Defines the BT AR_BT_COEX_WGHT used */
+enum ath_stomp_type {
+ ATH_BTCOEX_STOMP_ALL,
+ ATH_BTCOEX_STOMP_LOW,
+ ATH_BTCOEX_STOMP_NONE,
+ ATH_BTCOEX_STOMP_LOW_FTP,
+ ATH_BTCOEX_STOMP_AUDIO,
+ ATH_BTCOEX_STOMP_MAX
+};
+
+enum ath_btcoex_scheme {
+ ATH_BTCOEX_CFG_NONE,
+ ATH_BTCOEX_CFG_2WIRE,
+ ATH_BTCOEX_CFG_3WIRE,
+ ATH_BTCOEX_CFG_MCI,
+};
+
+struct ath9k_hw_mci {
+ u32 raw_intr;
+ u32 rx_msg_intr;
+ u32 cont_status;
+ u32 gpm_addr;
+ u32 gpm_len;
+ u32 gpm_idx;
+ u32 sched_addr;
+ u32 wlan_channels[4];
+ u32 wlan_cal_seq;
+ u32 wlan_cal_done;
+ u32 config;
+ u8 *gpm_buf;
+ bool ready;
+ bool update_2g5g;
+ bool is_2g;
+ bool query_bt;
+ bool unhalt_bt_gpm; /* need send UNHALT */
+ bool halted_bt_gpm; /* HALT sent */
+ bool need_flush_btinfo;
+ bool bt_version_known;
+ bool wlan_channels_update;
+ u8 wlan_ver_major;
+ u8 wlan_ver_minor;
+ u8 bt_ver_major;
+ u8 bt_ver_minor;
+ u8 bt_state;
+ u8 stomp_ftp;
+ bool concur_tx;
+ u32 last_recovery;
+};
+
+struct ath9k_hw_aic {
+ bool aic_enabled;
+ u8 aic_cal_state;
+ u8 aic_caled_chan;
+ u32 aic_sram[ATH_AIC_MAX_BT_CHANNEL];
+ u32 aic_cal_start_time;
+};
+
+struct ath_btcoex_hw {
+ enum ath_btcoex_scheme scheme;
+ struct ath9k_hw_mci mci;
+ struct ath9k_hw_aic aic;
+ bool enabled;
+ u8 wlanactive_gpio;
+ u8 btactive_gpio;
+ u8 btpriority_gpio;
+ u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */
+ u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */
+ u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */
+ u32 bt_coex_mode3; /* Register setting for AR_BT_COEX_MODE3 */
+ u32 bt_weight[AR9300_NUM_BT_WEIGHTS];
+ u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS];
+ u8 tx_prio[ATH_BTCOEX_STOMP_MAX];
+};
+
+void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah);
+void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
+void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
+void ath9k_hw_btcoex_deinit(struct ath_hw *ah);
+void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
+void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
+void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
+ u32 bt_weight,
+ u32 wlan_weight,
+ enum ath_stomp_type stomp_type);
+void ath9k_hw_btcoex_disable(struct ath_hw *ah);
+void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
+ enum ath_stomp_type stomp_type);
+void ath9k_hw_btcoex_set_concur_txprio(struct ath_hw *ah, u8 *stomp_txprio);
+
+#endif