1 /*
2  * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
3  *
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.
7  *
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 ANY
11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef _SMD_H_
18 #define _SMD_H_
19 
20 #include "wcn36xx.h"
21 
22 /* Max shared size is 4k but we take less.*/
23 #define WCN36XX_NV_FRAGMENT_SIZE			3072
24 
25 #define WCN36XX_HAL_BUF_SIZE				4096
26 
27 #define HAL_MSG_TIMEOUT 10000
28 #define WCN36XX_SMSM_WLAN_TX_ENABLE			0x00000400
29 #define WCN36XX_SMSM_WLAN_TX_RINGS_EMPTY		0x00000200
30 /* The PNO version info be contained in the rsp msg */
31 #define WCN36XX_FW_MSG_PNO_VERSION_MASK			0x8000
32 
33 enum wcn36xx_fw_msg_result {
34 	WCN36XX_FW_MSG_RESULT_SUCCESS			= 0,
35 	WCN36XX_FW_MSG_RESULT_SUCCESS_SYNC		= 1,
36 
37 	WCN36XX_FW_MSG_RESULT_MEM_FAIL			= 5,
38 };
39 
40 /******************************/
41 /* SMD requests and responses */
42 /******************************/
43 struct wcn36xx_fw_msg_status_rsp {
44 	u32	status;
45 } __packed;
46 
47 struct wcn36xx_hal_ind_msg {
48 	struct list_head list;
49 	size_t msg_len;
50 	u8 msg[];
51 };
52 
53 struct wcn36xx;
54 struct rpmsg_device;
55 
56 int wcn36xx_smd_open(struct wcn36xx *wcn);
57 void wcn36xx_smd_close(struct wcn36xx *wcn);
58 
59 int wcn36xx_smd_load_nv(struct wcn36xx *wcn);
60 int wcn36xx_smd_start(struct wcn36xx *wcn);
61 int wcn36xx_smd_stop(struct wcn36xx *wcn);
62 int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode);
63 int wcn36xx_smd_start_scan(struct wcn36xx *wcn, u8 scan_channel);
64 int wcn36xx_smd_end_scan(struct wcn36xx *wcn, u8 scan_channel);
65 int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
66 			    enum wcn36xx_hal_sys_mode mode);
67 int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn, u8 *channels, size_t channel_count);
68 int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
69 			      struct cfg80211_scan_request *req);
70 int wcn36xx_smd_stop_hw_scan(struct wcn36xx *wcn);
71 int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif);
72 int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr);
73 int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index);
74 int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch);
75 int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid,
76 			    const u8 *sta_mac,
77 			    enum wcn36xx_hal_link_state state);
78 int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif,
79 			   struct ieee80211_sta *sta, const u8 *bssid,
80 			   bool update);
81 int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif);
82 int wcn36xx_smd_config_sta(struct wcn36xx *wcn, struct ieee80211_vif *vif,
83 			   struct ieee80211_sta *sta);
84 int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct ieee80211_vif *vif,
85 			    struct sk_buff *skb_beacon, u16 tim_off,
86 			    u16 p2p_off);
87 int wcn36xx_smd_switch_channel(struct wcn36xx *wcn,
88 			       struct ieee80211_vif *vif, int ch);
89 int wcn36xx_smd_update_proberesp_tmpl(struct wcn36xx *wcn,
90 				      struct ieee80211_vif *vif,
91 				      struct sk_buff *skb);
92 int wcn36xx_smd_set_stakey(struct wcn36xx *wcn,
93 			   enum ani_ed_type enc_type,
94 			   u8 keyidx,
95 			   u8 keylen,
96 			   u8 *key,
97 			   u8 sta_index);
98 int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn,
99 			   enum ani_ed_type enc_type,
100 			   u8 keyidx,
101 			   u8 keylen,
102 			   u8 *key);
103 int wcn36xx_smd_remove_stakey(struct wcn36xx *wcn,
104 			      enum ani_ed_type enc_type,
105 			      u8 keyidx,
106 			      u8 sta_index);
107 int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
108 			      enum ani_ed_type enc_type,
109 			      u8 keyidx);
110 int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif);
111 int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif);
112 int wcn36xx_smd_set_power_params(struct wcn36xx *wcn, bool ignore_dtim);
113 int wcn36xx_smd_keep_alive_req(struct wcn36xx *wcn,
114 			       struct ieee80211_vif *vif,
115 			       int packet_type);
116 int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2,
117 			     u32 arg3, u32 arg4, u32 arg5);
118 int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn);
119 void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap);
120 int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap);
121 void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap);
122 
123 int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn,
124 		struct ieee80211_sta *sta,
125 		u16 tid,
126 		u16 *ssn,
127 		u8 direction,
128 		u8 sta_index);
129 int wcn36xx_smd_add_ba(struct wcn36xx *wcn);
130 int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index);
131 int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index);
132 
133 int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value);
134 
135 int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
136 			    void *buf, int len, void *priv, u32 addr);
137 
138 int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn,
139 			    struct ieee80211_vif *vif,
140 			    struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp);
141 #endif	/* _SMD_H_ */
142