| /* |
| * Copyright (c) 2005-2011 Atheros Communications Inc. |
| * Copyright (c) 2011-2013 Qualcomm Atheros, 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 _HIF_H_ |
| #define _HIF_H_ |
| |
| #include <linux/kernel.h> |
| #include "core.h" |
| |
| struct ath10k_hif_cb { |
| int (*tx_completion)(struct ath10k *ar, |
| struct sk_buff *wbuf, |
| unsigned transfer_id); |
| int (*rx_completion)(struct ath10k *ar, |
| struct sk_buff *wbuf, |
| u8 pipe_id); |
| }; |
| |
| struct ath10k_hif_ops { |
| /* Send the head of a buffer to HIF for transmission to the target. */ |
| int (*send_head)(struct ath10k *ar, u8 pipe_id, |
| unsigned int transfer_id, |
| unsigned int nbytes, |
| struct sk_buff *buf); |
| |
| /* |
| * API to handle HIF-specific BMI message exchanges, this API is |
| * synchronous and only allowed to be called from a context that |
| * can block (sleep) |
| */ |
| int (*exchange_bmi_msg)(struct ath10k *ar, |
| void *request, u32 request_len, |
| void *response, u32 *response_len); |
| |
| int (*start)(struct ath10k *ar); |
| |
| void (*stop)(struct ath10k *ar); |
| |
| int (*map_service_to_pipe)(struct ath10k *ar, u16 service_id, |
| u8 *ul_pipe, u8 *dl_pipe, |
| int *ul_is_polled, int *dl_is_polled); |
| |
| void (*get_default_pipe)(struct ath10k *ar, u8 *ul_pipe, u8 *dl_pipe); |
| |
| /* |
| * Check if prior sends have completed. |
| * |
| * Check whether the pipe in question has any completed |
| * sends that have not yet been processed. |
| * This function is only relevant for HIF pipes that are configured |
| * to be polled rather than interrupt-driven. |
| */ |
| void (*send_complete_check)(struct ath10k *ar, u8 pipe_id, int force); |
| |
| void (*init)(struct ath10k *ar, |
| struct ath10k_hif_cb *callbacks); |
| |
| u16 (*get_free_queue_number)(struct ath10k *ar, u8 pipe_id); |
| }; |
| |
| |
| static inline int ath10k_hif_send_head(struct ath10k *ar, u8 pipe_id, |
| unsigned int transfer_id, |
| unsigned int nbytes, |
| struct sk_buff *buf) |
| { |
| return ar->hif.ops->send_head(ar, pipe_id, transfer_id, nbytes, buf); |
| } |
| |
| static inline int ath10k_hif_exchange_bmi_msg(struct ath10k *ar, |
| void *request, u32 request_len, |
| void *response, u32 *response_len) |
| { |
| return ar->hif.ops->exchange_bmi_msg(ar, request, request_len, |
| response, response_len); |
| } |
| |
| static inline int ath10k_hif_start(struct ath10k *ar) |
| { |
| return ar->hif.ops->start(ar); |
| } |
| |
| static inline void ath10k_hif_stop(struct ath10k *ar) |
| { |
| return ar->hif.ops->stop(ar); |
| } |
| |
| static inline int ath10k_hif_map_service_to_pipe(struct ath10k *ar, |
| u16 service_id, |
| u8 *ul_pipe, u8 *dl_pipe, |
| int *ul_is_polled, |
| int *dl_is_polled) |
| { |
| return ar->hif.ops->map_service_to_pipe(ar, service_id, |
| ul_pipe, dl_pipe, |
| ul_is_polled, dl_is_polled); |
| } |
| |
| static inline void ath10k_hif_get_default_pipe(struct ath10k *ar, |
| u8 *ul_pipe, u8 *dl_pipe) |
| { |
| ar->hif.ops->get_default_pipe(ar, ul_pipe, dl_pipe); |
| } |
| |
| static inline void ath10k_hif_send_complete_check(struct ath10k *ar, |
| u8 pipe_id, int force) |
| { |
| ar->hif.ops->send_complete_check(ar, pipe_id, force); |
| } |
| |
| static inline void ath10k_hif_init(struct ath10k *ar, |
| struct ath10k_hif_cb *callbacks) |
| { |
| ar->hif.ops->init(ar, callbacks); |
| } |
| |
| static inline u16 ath10k_hif_get_free_queue_number(struct ath10k *ar, |
| u8 pipe_id) |
| { |
| return ar->hif.ops->get_free_queue_number(ar, pipe_id); |
| } |
| |
| #endif /* _HIF_H_ */ |