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 0000000..1bdfa84
--- /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