2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <linux/kernel.h>
24 struct ath10k_hif_cb {
25 int (*tx_completion)(struct ath10k *ar,
27 unsigned transfer_id);
28 int (*rx_completion)(struct ath10k *ar,
33 struct ath10k_hif_ops {
34 /* Send the head of a buffer to HIF for transmission to the target. */
35 int (*send_head)(struct ath10k *ar, u8 pipe_id,
36 unsigned int transfer_id,
41 * API to handle HIF-specific BMI message exchanges, this API is
42 * synchronous and only allowed to be called from a context that
45 int (*exchange_bmi_msg)(struct ath10k *ar,
46 void *request, u32 request_len,
47 void *response, u32 *response_len);
49 int (*start)(struct ath10k *ar);
51 void (*stop)(struct ath10k *ar);
53 int (*map_service_to_pipe)(struct ath10k *ar, u16 service_id,
54 u8 *ul_pipe, u8 *dl_pipe,
55 int *ul_is_polled, int *dl_is_polled);
57 void (*get_default_pipe)(struct ath10k *ar, u8 *ul_pipe, u8 *dl_pipe);
60 * Check if prior sends have completed.
62 * Check whether the pipe in question has any completed
63 * sends that have not yet been processed.
64 * This function is only relevant for HIF pipes that are configured
65 * to be polled rather than interrupt-driven.
67 void (*send_complete_check)(struct ath10k *ar, u8 pipe_id, int force);
69 void (*init)(struct ath10k *ar,
70 struct ath10k_hif_cb *callbacks);
72 u16 (*get_free_queue_number)(struct ath10k *ar, u8 pipe_id);
76 static inline int ath10k_hif_send_head(struct ath10k *ar, u8 pipe_id,
77 unsigned int transfer_id,
81 return ar->hif.ops->send_head(ar, pipe_id, transfer_id, nbytes, buf);
84 static inline int ath10k_hif_exchange_bmi_msg(struct ath10k *ar,
85 void *request, u32 request_len,
86 void *response, u32 *response_len)
88 return ar->hif.ops->exchange_bmi_msg(ar, request, request_len,
89 response, response_len);
92 static inline int ath10k_hif_start(struct ath10k *ar)
94 return ar->hif.ops->start(ar);
97 static inline void ath10k_hif_stop(struct ath10k *ar)
99 return ar->hif.ops->stop(ar);
102 static inline int ath10k_hif_map_service_to_pipe(struct ath10k *ar,
104 u8 *ul_pipe, u8 *dl_pipe,
108 return ar->hif.ops->map_service_to_pipe(ar, service_id,
110 ul_is_polled, dl_is_polled);
113 static inline void ath10k_hif_get_default_pipe(struct ath10k *ar,
114 u8 *ul_pipe, u8 *dl_pipe)
116 ar->hif.ops->get_default_pipe(ar, ul_pipe, dl_pipe);
119 static inline void ath10k_hif_send_complete_check(struct ath10k *ar,
120 u8 pipe_id, int force)
122 ar->hif.ops->send_complete_check(ar, pipe_id, force);
125 static inline void ath10k_hif_init(struct ath10k *ar,
126 struct ath10k_hif_cb *callbacks)
128 ar->hif.ops->init(ar, callbacks);
131 static inline u16 ath10k_hif_get_free_queue_number(struct ath10k *ar,
134 return ar->hif.ops->get_free_queue_number(ar, pipe_id);