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230 lines
5.8 KiB
230 lines
5.8 KiB
/* |
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* Copyright (c) 2010-2011 Atheros Communications Inc. |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef HTC_HST_H |
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#define HTC_HST_H |
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struct ath9k_htc_priv; |
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struct htc_target; |
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struct ath9k_htc_tx_ctl; |
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enum ath9k_hif_transports { |
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ATH9K_HIF_USB, |
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}; |
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struct ath9k_htc_hif { |
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struct list_head list; |
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const enum ath9k_hif_transports transport; |
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const char *name; |
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u8 control_dl_pipe; |
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u8 control_ul_pipe; |
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void (*start) (void *hif_handle); |
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void (*stop) (void *hif_handle); |
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void (*sta_drain) (void *hif_handle, u8 idx); |
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int (*send) (void *hif_handle, u8 pipe, struct sk_buff *buf); |
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}; |
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enum htc_endpoint_id { |
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ENDPOINT_UNUSED = -1, |
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ENDPOINT0 = 0, |
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ENDPOINT1 = 1, |
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ENDPOINT2 = 2, |
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ENDPOINT3 = 3, |
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ENDPOINT4 = 4, |
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ENDPOINT5 = 5, |
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ENDPOINT6 = 6, |
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ENDPOINT7 = 7, |
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ENDPOINT8 = 8, |
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ENDPOINT_MAX = 22 |
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}; |
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/* Htc frame hdr flags */ |
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#define HTC_FLAGS_RECV_TRAILER (1 << 1) |
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struct htc_frame_hdr { |
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u8 endpoint_id; |
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u8 flags; |
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__be16 payload_len; |
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u8 control[4]; |
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} __packed; |
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struct htc_ready_msg { |
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__be16 message_id; |
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__be16 credits; |
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__be16 credit_size; |
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u8 max_endpoints; |
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u8 pad; |
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} __packed; |
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struct htc_config_pipe_msg { |
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__be16 message_id; |
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u8 pipe_id; |
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u8 credits; |
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} __packed; |
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struct htc_panic_bad_vaddr { |
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__be32 pattern; |
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__be32 exccause; |
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__be32 pc; |
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__be32 badvaddr; |
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} __packed; |
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struct htc_panic_bad_epid { |
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__be32 pattern; |
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__be32 epid; |
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} __packed; |
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struct htc_ep_callbacks { |
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void *priv; |
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void (*tx) (void *, struct sk_buff *, enum htc_endpoint_id, bool txok); |
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void (*rx) (void *, struct sk_buff *, enum htc_endpoint_id); |
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}; |
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struct htc_endpoint { |
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u16 service_id; |
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struct htc_ep_callbacks ep_callbacks; |
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u32 max_txqdepth; |
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int max_msglen; |
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u8 ul_pipeid; |
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u8 dl_pipeid; |
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}; |
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#define HTC_MAX_CONTROL_MESSAGE_LENGTH 255 |
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#define HTC_CONTROL_BUFFER_SIZE \ |
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(HTC_MAX_CONTROL_MESSAGE_LENGTH + sizeof(struct htc_frame_hdr)) |
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#define HTC_OP_START_WAIT BIT(0) |
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#define HTC_OP_CONFIG_PIPE_CREDITS BIT(1) |
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struct htc_target { |
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void *hif_dev; |
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struct ath9k_htc_priv *drv_priv; |
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struct device *dev; |
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struct ath9k_htc_hif *hif; |
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struct htc_endpoint endpoint[ENDPOINT_MAX]; |
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struct completion target_wait; |
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struct completion cmd_wait; |
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struct list_head list; |
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enum htc_endpoint_id conn_rsp_epid; |
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u16 credits; |
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u16 credit_size; |
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u8 htc_flags; |
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atomic_t tgt_ready; |
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}; |
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enum htc_msg_id { |
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HTC_MSG_READY_ID = 1, |
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HTC_MSG_CONNECT_SERVICE_ID, |
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HTC_MSG_CONNECT_SERVICE_RESPONSE_ID, |
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HTC_MSG_SETUP_COMPLETE_ID, |
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HTC_MSG_CONFIG_PIPE_ID, |
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HTC_MSG_CONFIG_PIPE_RESPONSE_ID, |
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}; |
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struct htc_service_connreq { |
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u16 service_id; |
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u16 con_flags; |
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u32 max_send_qdepth; |
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struct htc_ep_callbacks ep_callbacks; |
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}; |
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/* Current service IDs */ |
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enum htc_service_group_ids{ |
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RSVD_SERVICE_GROUP = 0, |
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WMI_SERVICE_GROUP = 1, |
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HTC_SERVICE_GROUP_LAST = 255 |
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}; |
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#define MAKE_SERVICE_ID(group, index) \ |
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(int)(((int)group << 8) | (int)(index)) |
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/* NOTE: service ID of 0x0000 is reserved and should never be used */ |
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#define HTC_CTRL_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 1) |
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#define HTC_LOOPBACK_RSVD_SVC MAKE_SERVICE_ID(RSVD_SERVICE_GROUP, 2) |
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#define WMI_CONTROL_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 0) |
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#define WMI_BEACON_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 1) |
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#define WMI_CAB_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 2) |
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#define WMI_UAPSD_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 3) |
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#define WMI_MGMT_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 4) |
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#define WMI_DATA_VO_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 5) |
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#define WMI_DATA_VI_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 6) |
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#define WMI_DATA_BE_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 7) |
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#define WMI_DATA_BK_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 8) |
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struct htc_conn_svc_msg { |
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__be16 msg_id; |
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__be16 service_id; |
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__be16 con_flags; |
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u8 dl_pipeid; |
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u8 ul_pipeid; |
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u8 svc_meta_len; |
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u8 pad; |
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} __packed; |
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/* connect response status codes */ |
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#define HTC_SERVICE_SUCCESS 0 |
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#define HTC_SERVICE_NOT_FOUND 1 |
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#define HTC_SERVICE_FAILED 2 |
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#define HTC_SERVICE_NO_RESOURCES 3 |
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#define HTC_SERVICE_NO_MORE_EP 4 |
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struct htc_conn_svc_rspmsg { |
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__be16 msg_id; |
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__be16 service_id; |
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u8 status; |
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u8 endpoint_id; |
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__be16 max_msg_len; |
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u8 svc_meta_len; |
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u8 pad; |
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} __packed; |
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struct htc_comp_msg { |
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__be16 msg_id; |
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} __packed; |
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int htc_init(struct htc_target *target); |
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int htc_connect_service(struct htc_target *target, |
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struct htc_service_connreq *service_connreq, |
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enum htc_endpoint_id *conn_rsp_eid); |
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int htc_send(struct htc_target *target, struct sk_buff *skb); |
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int htc_send_epid(struct htc_target *target, struct sk_buff *skb, |
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enum htc_endpoint_id epid); |
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void htc_stop(struct htc_target *target); |
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void htc_start(struct htc_target *target); |
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void htc_sta_drain(struct htc_target *target, u8 idx); |
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void ath9k_htc_rx_msg(struct htc_target *htc_handle, |
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struct sk_buff *skb, u32 len, u8 pipe_id); |
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void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle, |
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struct sk_buff *skb, bool txok); |
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struct htc_target *ath9k_htc_hw_alloc(void *hif_handle, |
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struct ath9k_htc_hif *hif, |
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struct device *dev); |
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void ath9k_htc_hw_free(struct htc_target *htc); |
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int ath9k_htc_hw_init(struct htc_target *target, |
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struct device *dev, u16 devid, char *product, |
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u32 drv_info); |
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void ath9k_htc_hw_deinit(struct htc_target *target, bool hot_unplug); |
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#endif /* HTC_HST_H */
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