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>
diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.h b/drivers/net/wireless/ath/ath9k/htc_hst.h
new file mode 100644
index 0000000..cd7048f
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.h
@@ -0,0 +1,246 @@
+/*
+ * 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 HTC_HST_H
+#define HTC_HST_H
+
+struct ath9k_htc_priv;
+struct htc_target;
+struct ath9k_htc_tx_ctl;
+
+enum ath9k_hif_transports {
+ ATH9K_HIF_USB,
+};
+
+struct ath9k_htc_hif {
+ struct list_head list;
+ const enum ath9k_hif_transports transport;
+ const char *name;
+
+ u8 control_dl_pipe;
+ u8 control_ul_pipe;
+
+ void (*start) (void *hif_handle, u8 pipe);
+ void (*stop) (void *hif_handle, u8 pipe);
+ int (*send) (void *hif_handle, u8 pipe, struct sk_buff *buf,
+ struct ath9k_htc_tx_ctl *tx_ctl);
+};
+
+enum htc_endpoint_id {
+ ENDPOINT_UNUSED = -1,
+ ENDPOINT0 = 0,
+ ENDPOINT1 = 1,
+ ENDPOINT2 = 2,
+ ENDPOINT3 = 3,
+ ENDPOINT4 = 4,
+ ENDPOINT5 = 5,
+ ENDPOINT6 = 6,
+ ENDPOINT7 = 7,
+ ENDPOINT8 = 8,
+ ENDPOINT_MAX = 22
+};
+
+/* Htc frame hdr flags */
+#define HTC_FLAGS_RECV_TRAILER (1 << 1)
+
+struct htc_frame_hdr {
+ u8 endpoint_id;
+ u8 flags;
+ u16 payload_len;
+ u8 control[4];
+} __packed;
+
+struct htc_ready_msg {
+ u16 message_id;
+ u16 credits;
+ u16 credit_size;
+ u8 max_endpoints;
+ u8 pad;
+} __packed;
+
+struct htc_config_pipe_msg {
+ u16 message_id;
+ u8 pipe_id;
+ u8 credits;
+} __packed;
+
+struct htc_packet {
+ void *pktcontext;
+ u8 *buf;
+ u8 *buf_payload;
+ u32 buflen;
+ u32 payload_len;
+
+ int endpoint;
+ int status;
+
+ void *context;
+ u32 reserved;
+};
+
+struct htc_ep_callbacks {
+ void *priv;
+ void (*tx) (void *, struct sk_buff *, enum htc_endpoint_id, bool txok);
+ void (*rx) (void *, struct sk_buff *, enum htc_endpoint_id);
+};
+
+#define HTC_TX_QUEUE_SIZE 256
+
+struct htc_txq {
+ struct sk_buff *buf[HTC_TX_QUEUE_SIZE];
+ u32 txqdepth;
+ u16 txbuf_cnt;
+ u16 txq_head;
+ u16 txq_tail;
+};
+
+struct htc_endpoint {
+ u16 service_id;
+
+ struct htc_ep_callbacks ep_callbacks;
+ struct htc_txq htc_txq;
+ u32 max_txqdepth;
+ int max_msglen;
+
+ u8 ul_pipeid;
+ u8 dl_pipeid;
+};
+
+#define HTC_MAX_CONTROL_MESSAGE_LENGTH 255
+#define HTC_CONTROL_BUFFER_SIZE \
+ (HTC_MAX_CONTROL_MESSAGE_LENGTH + sizeof(struct htc_frame_hdr))
+
+#define NUM_CONTROL_BUFFERS 8
+#define HST_ENDPOINT_MAX 8
+
+struct htc_control_buf {
+ struct htc_packet htc_pkt;
+ u8 buf[HTC_CONTROL_BUFFER_SIZE];
+};
+
+#define HTC_OP_START_WAIT BIT(0)
+#define HTC_OP_CONFIG_PIPE_CREDITS BIT(1)
+
+struct htc_target {
+ void *hif_dev;
+ struct ath9k_htc_priv *drv_priv;
+ struct device *dev;
+ struct ath9k_htc_hif *hif;
+ struct htc_endpoint endpoint[HST_ENDPOINT_MAX];
+ struct completion target_wait;
+ struct completion cmd_wait;
+ struct list_head list;
+ enum htc_endpoint_id conn_rsp_epid;
+ u16 credits;
+ u16 credit_size;
+ u8 htc_flags;
+};
+
+enum htc_msg_id {
+ HTC_MSG_READY_ID = 1,
+ HTC_MSG_CONNECT_SERVICE_ID,
+ HTC_MSG_CONNECT_SERVICE_RESPONSE_ID,
+ HTC_MSG_SETUP_COMPLETE_ID,
+ HTC_MSG_CONFIG_PIPE_ID,
+ HTC_MSG_CONFIG_PIPE_RESPONSE_ID,
+};
+
+struct htc_service_connreq {
+ u16 service_id;
+ u16 con_flags;
+ u32 max_send_qdepth;
+ struct htc_ep_callbacks ep_callbacks;
+};
+
+/* Current service IDs */
+
+enum htc_service_group_ids{
+ RSVD_SERVICE_GROUP = 0,
+ WMI_SERVICE_GROUP = 1,
+
+ HTC_SERVICE_GROUP_LAST = 255
+};
+
+#define MAKE_SERVICE_ID(group, index) \
+ (int)(((int)group << 8) | (int)(index))
+
+/* NOTE: service ID of 0x0000 is reserved and should never be used */
+#define HTC_CTRL_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 1)
+#define HTC_LOOPBACK_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 2)
+
+#define WMI_CONTROL_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 0)
+#define WMI_BEACON_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 1)
+#define WMI_CAB_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 2)
+#define WMI_UAPSD_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 3)
+#define WMI_MGMT_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 4)
+#define WMI_DATA_VO_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 5)
+#define WMI_DATA_VI_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 6)
+#define WMI_DATA_BE_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 7)
+#define WMI_DATA_BK_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 8)
+
+struct htc_conn_svc_msg {
+ u16 msg_id;
+ u16 service_id;
+ u16 con_flags;
+ u8 dl_pipeid;
+ u8 ul_pipeid;
+ u8 svc_meta_len;
+ u8 pad;
+} __packed;
+
+/* connect response status codes */
+#define HTC_SERVICE_SUCCESS 0
+#define HTC_SERVICE_NOT_FOUND 1
+#define HTC_SERVICE_FAILED 2
+#define HTC_SERVICE_NO_RESOURCES 3
+#define HTC_SERVICE_NO_MORE_EP 4
+
+struct htc_conn_svc_rspmsg {
+ u16 msg_id;
+ u16 service_id;
+ u8 status;
+ u8 endpoint_id;
+ u16 max_msg_len;
+ u8 svc_meta_len;
+ u8 pad;
+} __packed;
+
+struct htc_comp_msg {
+ u16 msg_id;
+} __packed;
+
+int htc_init(struct htc_target *target);
+int htc_connect_service(struct htc_target *target,
+ struct htc_service_connreq *service_connreq,
+ enum htc_endpoint_id *conn_rsp_eid);
+int htc_send(struct htc_target *target, struct sk_buff *skb,
+ enum htc_endpoint_id eid, struct ath9k_htc_tx_ctl *tx_ctl);
+void htc_stop(struct htc_target *target);
+void htc_start(struct htc_target *target);
+
+void ath9k_htc_rx_msg(struct htc_target *htc_handle,
+ struct sk_buff *skb, u32 len, u8 pipe_id);
+void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
+ struct sk_buff *skb, bool txok);
+
+struct htc_target *ath9k_htc_hw_alloc(void *hif_handle);
+void ath9k_htc_hw_free(struct htc_target *htc);
+int ath9k_htc_hw_init(struct ath9k_htc_hif *hif, struct htc_target *target,
+ void *hif_handle, struct device *dev, u16 devid,
+ enum ath9k_hif_transports transport);
+void ath9k_htc_hw_deinit(struct htc_target *target, bool hot_unplug);
+
+#endif /* HTC_HST_H */