--- /dev/null
+/*
+ * Copyright (c) 2010-2011 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 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);
+ void (*stop) (void *hif_handle);
+ void (*sta_drain) (void *hif_handle, u8 idx);
+ int (*send) (void *hif_handle, u8 pipe, struct sk_buff *buf);
+};
+
+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;
+ __be16 payload_len;
+ u8 control[4];
+} __packed;
+
+struct htc_ready_msg {
+ __be16 message_id;
+ __be16 credits;
+ __be16 credit_size;
+ u8 max_endpoints;
+ u8 pad;
+} __packed;
+
+struct htc_config_pipe_msg {
+ __be16 message_id;
+ u8 pipe_id;
+ u8 credits;
+} __packed;
+
+struct htc_panic_bad_vaddr {
+ __be32 pattern;
+ __be32 exccause;
+ __be32 pc;
+ __be32 badvaddr;
+} __packed;
+
+struct htc_panic_bad_epid {
+ __be32 pattern;
+ __be32 epid;
+} __packed;
+
+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);
+};
+
+struct htc_endpoint {
+ u16 service_id;
+
+ struct htc_ep_callbacks ep_callbacks;
+ 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 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[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;
+ atomic_t tgt_ready;
+};
+
+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 {
+ __be16 msg_id;
+ __be16 service_id;
+ __be16 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 {
+ __be16 msg_id;
+ __be16 service_id;
+ u8 status;
+ u8 endpoint_id;
+ __be16 max_msg_len;
+ u8 svc_meta_len;
+ u8 pad;
+} __packed;
+
+struct htc_comp_msg {
+ __be16 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);
+int htc_send_epid(struct htc_target *target, struct sk_buff *skb,
+ enum htc_endpoint_id epid);
+void htc_stop(struct htc_target *target);
+void htc_start(struct htc_target *target);
+void htc_sta_drain(struct htc_target *target, u8 idx);
+
+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,
+ struct ath9k_htc_hif *hif,
+ struct device *dev);
+void ath9k_htc_hw_free(struct htc_target *htc);
+int ath9k_htc_hw_init(struct htc_target *target,
+ struct device *dev, u16 devid, char *product,
+ u32 drv_info);
+void ath9k_htc_hw_deinit(struct htc_target *target, bool hot_unplug);
+
+#endif /* HTC_HST_H */
Code Review / kvmfornfv.git / blobdiff