ath9k_htc: Support for AR9271 chipset.

Features:

 * Station mode
 * IBSS mode
 * Monitor mode
 * Legacy support
 * HT support
 * TX/RX 11n Aggregation
 * HW encryption
 * LED
 * Suspend/Resume

For more information: http://wireless.kernel.org/en/users/Drivers/ath9k_htc

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 126 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h
new file mode 100644
index 000000000000..39ef926f27c2
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/wmi.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2010 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 WMI_H
+#define WMI_H
+
+
+struct wmi_event_txrate {
+	u32 txrate;
+	struct {
+		u8 rssi_thresh;
+		u8 per;
+	} rc_stats;
+} __packed;
+
+struct wmi_cmd_hdr {
+	u16 command_id;
+	u16 seq_no;
+} __packed;
+
+struct wmi_swba {
+	u8 beacon_pending;
+} __packed;
+
+enum wmi_cmd_id {
+	WMI_ECHO_CMDID = 0x0001,
+	WMI_ACCESS_MEMORY_CMDID,
+
+	/* Commands to Target */
+	WMI_DISABLE_INTR_CMDID,
+	WMI_ENABLE_INTR_CMDID,
+	WMI_RX_LINK_CMDID,
+	WMI_ATH_INIT_CMDID,
+	WMI_ABORT_TXQ_CMDID,
+	WMI_STOP_TX_DMA_CMDID,
+	WMI_STOP_DMA_RECV_CMDID,
+	WMI_ABORT_TX_DMA_CMDID,
+	WMI_DRAIN_TXQ_CMDID,
+	WMI_DRAIN_TXQ_ALL_CMDID,
+	WMI_START_RECV_CMDID,
+	WMI_STOP_RECV_CMDID,
+	WMI_FLUSH_RECV_CMDID,
+	WMI_SET_MODE_CMDID,
+	WMI_RESET_CMDID,
+	WMI_NODE_CREATE_CMDID,
+	WMI_NODE_REMOVE_CMDID,
+	WMI_VAP_REMOVE_CMDID,
+	WMI_VAP_CREATE_CMDID,
+	WMI_BEACON_UPDATE_CMDID,
+	WMI_REG_READ_CMDID,
+	WMI_REG_WRITE_CMDID,
+	WMI_RC_STATE_CHANGE_CMDID,
+	WMI_RC_RATE_UPDATE_CMDID,
+	WMI_DEBUG_INFO_CMDID,
+	WMI_HOST_ATTACH,
+	WMI_TARGET_IC_UPDATE_CMDID,
+	WMI_TGT_STATS_CMDID,
+	WMI_TX_AGGR_ENABLE_CMDID,
+	WMI_TGT_DETACH_CMDID,
+	WMI_TGT_TXQ_ENABLE_CMDID,
+};
+
+enum wmi_event_id {
+	WMI_TGT_RDY_EVENTID = 0x1001,
+	WMI_SWBA_EVENTID,
+	WMI_FATAL_EVENTID,
+	WMI_TXTO_EVENTID,
+	WMI_BMISS_EVENTID,
+	WMI_WLAN_TXCOMP_EVENTID,
+	WMI_DELBA_EVENTID,
+	WMI_TXRATE_EVENTID,
+};
+
+struct wmi {
+	struct ath9k_htc_priv *drv_priv;
+	struct htc_target *htc;
+	enum htc_endpoint_id ctrl_epid;
+	struct mutex op_mutex;
+	struct completion cmd_wait;
+	u16 tx_seq_id;
+	u8 *cmd_rsp_buf;
+	u32 cmd_rsp_len;
+	bool stopped;
+
+	struct sk_buff *wmi_skb;
+	spinlock_t wmi_lock;
+};
+
+struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv);
+void ath9k_deinit_wmi(struct ath9k_htc_priv *priv);
+int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi,
+		      enum htc_endpoint_id *wmi_ctrl_epid);
+int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
+		  u8 *cmd_buf, u32 cmd_len,
+		  u8 *rsp_buf, u32 rsp_len,
+		  u32 timeout);
+void ath9k_wmi_tasklet(unsigned long data);
+
+#define WMI_CMD(_wmi_cmd)						\
+	do {								\
+		ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, NULL, 0,	\
+				    (u8 *) &cmd_rsp,			\
+				    sizeof(cmd_rsp), HZ);		\
+	} while (0)
+
+#define WMI_CMD_BUF(_wmi_cmd, _buf)					\
+	do {								\
+		ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd,		\
+				    (u8 *) _buf, sizeof(*_buf),		\
+				    &cmd_rsp, sizeof(cmd_rsp), HZ);	\
+	} while (0)
+
+#endif /* WMI_H */