2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2015,2017 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>
26 struct ath10k_hif_sg_item {
28 void *transfer_context; /* NULL = tx completion callback not called */
29 void *vaddr; /* for debugging mostly */
34 struct ath10k_hif_ops {
35 /* send a scatter-gather list to the target */
36 int (*tx_sg)(struct ath10k *ar, u8 pipe_id,
37 struct ath10k_hif_sg_item *items, int n_items);
39 /* read firmware memory through the diagnose interface */
40 int (*diag_read)(struct ath10k *ar, u32 address, void *buf,
43 int (*diag_write)(struct ath10k *ar, u32 address, const void *data,
46 * API to handle HIF-specific BMI message exchanges, this API is
47 * synchronous and only allowed to be called from a context that
50 int (*exchange_bmi_msg)(struct ath10k *ar,
51 void *request, u32 request_len,
52 void *response, u32 *response_len);
54 /* Post BMI phase, after FW is loaded. Starts regular operation */
55 int (*start)(struct ath10k *ar);
57 /* Clean up what start() did. This does not revert to BMI phase. If
58 * desired so, call power_down() and power_up()
60 void (*stop)(struct ath10k *ar);
62 int (*swap_mailbox)(struct ath10k *ar);
64 int (*map_service_to_pipe)(struct ath10k *ar, u16 service_id,
65 u8 *ul_pipe, u8 *dl_pipe);
67 void (*get_default_pipe)(struct ath10k *ar, u8 *ul_pipe, u8 *dl_pipe);
70 * Check if prior sends have completed.
72 * Check whether the pipe in question has any completed
73 * sends that have not yet been processed.
74 * This function is only relevant for HIF pipes that are configured
75 * to be polled rather than interrupt-driven.
77 void (*send_complete_check)(struct ath10k *ar, u8 pipe_id, int force);
79 u16 (*get_free_queue_number)(struct ath10k *ar, u8 pipe_id);
81 u32 (*read32)(struct ath10k *ar, u32 address);
83 void (*write32)(struct ath10k *ar, u32 address, u32 value);
85 /* Power up the device and enter BMI transfer mode for FW download */
86 int (*power_up)(struct ath10k *ar, enum ath10k_firmware_mode fw_mode);
88 /* Power down the device and free up resources. stop() must be called
89 * before this if start() was called earlier
91 void (*power_down)(struct ath10k *ar);
93 int (*suspend)(struct ath10k *ar);
94 int (*resume)(struct ath10k *ar);
96 /* fetch calibration data from target eeprom */
97 int (*fetch_cal_eeprom)(struct ath10k *ar, void **data,
100 int (*get_target_info)(struct ath10k *ar,
101 struct bmi_target_info *target_info);
104 static inline int ath10k_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
105 struct ath10k_hif_sg_item *items,
108 return ar->hif.ops->tx_sg(ar, pipe_id, items, n_items);
111 static inline int ath10k_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
114 return ar->hif.ops->diag_read(ar, address, buf, buf_len);
117 static inline int ath10k_hif_diag_write(struct ath10k *ar, u32 address,
118 const void *data, int nbytes)
120 if (!ar->hif.ops->diag_write)
123 return ar->hif.ops->diag_write(ar, address, data, nbytes);
126 static inline int ath10k_hif_exchange_bmi_msg(struct ath10k *ar,
127 void *request, u32 request_len,
128 void *response, u32 *response_len)
130 return ar->hif.ops->exchange_bmi_msg(ar, request, request_len,
131 response, response_len);
134 static inline int ath10k_hif_start(struct ath10k *ar)
136 return ar->hif.ops->start(ar);
139 static inline void ath10k_hif_stop(struct ath10k *ar)
141 return ar->hif.ops->stop(ar);
144 static inline int ath10k_hif_swap_mailbox(struct ath10k *ar)
146 if (ar->hif.ops->swap_mailbox)
147 return ar->hif.ops->swap_mailbox(ar);
151 static inline int ath10k_hif_map_service_to_pipe(struct ath10k *ar,
153 u8 *ul_pipe, u8 *dl_pipe)
155 return ar->hif.ops->map_service_to_pipe(ar, service_id,
159 static inline void ath10k_hif_get_default_pipe(struct ath10k *ar,
160 u8 *ul_pipe, u8 *dl_pipe)
162 ar->hif.ops->get_default_pipe(ar, ul_pipe, dl_pipe);
165 static inline void ath10k_hif_send_complete_check(struct ath10k *ar,
166 u8 pipe_id, int force)
168 ar->hif.ops->send_complete_check(ar, pipe_id, force);
171 static inline u16 ath10k_hif_get_free_queue_number(struct ath10k *ar,
174 return ar->hif.ops->get_free_queue_number(ar, pipe_id);
177 static inline int ath10k_hif_power_up(struct ath10k *ar,
178 enum ath10k_firmware_mode fw_mode)
180 return ar->hif.ops->power_up(ar, fw_mode);
183 static inline void ath10k_hif_power_down(struct ath10k *ar)
185 ar->hif.ops->power_down(ar);
188 static inline int ath10k_hif_suspend(struct ath10k *ar)
190 if (!ar->hif.ops->suspend)
193 return ar->hif.ops->suspend(ar);
196 static inline int ath10k_hif_resume(struct ath10k *ar)
198 if (!ar->hif.ops->resume)
201 return ar->hif.ops->resume(ar);
204 static inline u32 ath10k_hif_read32(struct ath10k *ar, u32 address)
206 if (!ar->hif.ops->read32) {
207 ath10k_warn(ar, "hif read32 not supported\n");
211 return ar->hif.ops->read32(ar, address);
214 static inline void ath10k_hif_write32(struct ath10k *ar,
215 u32 address, u32 data)
217 if (!ar->hif.ops->write32) {
218 ath10k_warn(ar, "hif write32 not supported\n");
222 ar->hif.ops->write32(ar, address, data);
225 static inline int ath10k_hif_fetch_cal_eeprom(struct ath10k *ar,
229 if (!ar->hif.ops->fetch_cal_eeprom)
232 return ar->hif.ops->fetch_cal_eeprom(ar, data, data_len);
235 static inline int ath10k_hif_get_target_info(struct ath10k *ar,
236 struct bmi_target_info *tgt_info)
238 if (!ar->hif.ops->get_target_info)
241 return ar->hif.ops->get_target_info(ar, tgt_info);