2 * Copyright (c) 2010 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 struct ath9k_htc_priv;
22 struct ath9k_htc_tx_ctl;
24 enum ath9k_hif_transports {
28 struct ath9k_htc_hif {
29 struct list_head list;
30 const enum ath9k_hif_transports transport;
36 void (*start) (void *hif_handle, u8 pipe);
37 void (*stop) (void *hif_handle, u8 pipe);
38 int (*send) (void *hif_handle, u8 pipe, struct sk_buff *buf,
39 struct ath9k_htc_tx_ctl *tx_ctl);
42 enum htc_endpoint_id {
56 /* Htc frame hdr flags */
57 #define HTC_FLAGS_RECV_TRAILER (1 << 1)
59 struct htc_frame_hdr {
66 struct htc_ready_msg {
74 struct htc_config_pipe_msg {
94 struct htc_ep_callbacks {
96 void (*tx) (void *, struct sk_buff *, enum htc_endpoint_id, bool txok);
97 void (*rx) (void *, struct sk_buff *, enum htc_endpoint_id);
100 #define HTC_TX_QUEUE_SIZE 256
103 struct sk_buff *buf[HTC_TX_QUEUE_SIZE];
110 struct htc_endpoint {
113 struct htc_ep_callbacks ep_callbacks;
114 struct htc_txq htc_txq;
122 #define HTC_MAX_CONTROL_MESSAGE_LENGTH 255
123 #define HTC_CONTROL_BUFFER_SIZE \
124 (HTC_MAX_CONTROL_MESSAGE_LENGTH + sizeof(struct htc_frame_hdr))
126 #define NUM_CONTROL_BUFFERS 8
127 #define HST_ENDPOINT_MAX 8
129 struct htc_control_buf {
130 struct htc_packet htc_pkt;
131 u8 buf[HTC_CONTROL_BUFFER_SIZE];
134 #define HTC_OP_START_WAIT BIT(0)
135 #define HTC_OP_CONFIG_PIPE_CREDITS BIT(1)
139 struct ath9k_htc_priv *drv_priv;
141 struct ath9k_htc_hif *hif;
142 struct htc_endpoint endpoint[HST_ENDPOINT_MAX];
143 struct completion target_wait;
144 struct completion cmd_wait;
145 struct list_head list;
146 enum htc_endpoint_id conn_rsp_epid;
153 HTC_MSG_READY_ID = 1,
154 HTC_MSG_CONNECT_SERVICE_ID,
155 HTC_MSG_CONNECT_SERVICE_RESPONSE_ID,
156 HTC_MSG_SETUP_COMPLETE_ID,
157 HTC_MSG_CONFIG_PIPE_ID,
158 HTC_MSG_CONFIG_PIPE_RESPONSE_ID,
161 struct htc_service_connreq {
165 struct htc_ep_callbacks ep_callbacks;
168 /* Current service IDs */
170 enum htc_service_group_ids{
171 RSVD_SERVICE_GROUP = 0,
172 WMI_SERVICE_GROUP = 1,
174 HTC_SERVICE_GROUP_LAST = 255
177 #define MAKE_SERVICE_ID(group, index) \
178 (int)(((int)group << 8) | (int)(index))
180 /* NOTE: service ID of 0x0000 is reserved and should never be used */
181 #define HTC_CTRL_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 1)
182 #define HTC_LOOPBACK_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 2)
184 #define WMI_CONTROL_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 0)
185 #define WMI_BEACON_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 1)
186 #define WMI_CAB_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 2)
187 #define WMI_UAPSD_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 3)
188 #define WMI_MGMT_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 4)
189 #define WMI_DATA_VO_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 5)
190 #define WMI_DATA_VI_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 6)
191 #define WMI_DATA_BE_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 7)
192 #define WMI_DATA_BK_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 8)
194 struct htc_conn_svc_msg {
204 /* connect response status codes */
205 #define HTC_SERVICE_SUCCESS 0
206 #define HTC_SERVICE_NOT_FOUND 1
207 #define HTC_SERVICE_FAILED 2
208 #define HTC_SERVICE_NO_RESOURCES 3
209 #define HTC_SERVICE_NO_MORE_EP 4
211 struct htc_conn_svc_rspmsg {
221 struct htc_comp_msg {
225 int htc_init(struct htc_target *target);
226 int htc_connect_service(struct htc_target *target,
227 struct htc_service_connreq *service_connreq,
228 enum htc_endpoint_id *conn_rsp_eid);
229 int htc_send(struct htc_target *target, struct sk_buff *skb,
230 enum htc_endpoint_id eid, struct ath9k_htc_tx_ctl *tx_ctl);
231 void htc_stop(struct htc_target *target);
232 void htc_start(struct htc_target *target);
234 void ath9k_htc_rx_msg(struct htc_target *htc_handle,
235 struct sk_buff *skb, u32 len, u8 pipe_id);
236 void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
237 struct sk_buff *skb, bool txok);
239 struct htc_target *ath9k_htc_hw_alloc(void *hif_handle);
240 void ath9k_htc_hw_free(struct htc_target *htc);
241 int ath9k_htc_hw_init(struct ath9k_htc_hif *hif, struct htc_target *target,
242 void *hif_handle, struct device *dev, u16 devid,
243 enum ath9k_hif_transports transport);
244 void ath9k_htc_hw_deinit(struct htc_target *target, bool hot_unplug);
246 #endif /* HTC_HST_H */