1 /******************************************************************************
2  *
3  * This file is provided under a dual BSD/GPLv2 license.  When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * GPL LICENSE SUMMARY
7  *
8  * Copyright(c) 2017 Intel Deutschland GmbH
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of version 2 of the GNU General Public License as
12  * published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * The full GNU General Public License is included in this distribution
20  * in the file called COPYING.
21  *
22  * Contact Information:
23  *  Intel Linux Wireless <linuxwifi@intel.com>
24  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25  *
26  * BSD LICENSE
27  *
28  * Copyright(c) 2017 Intel Deutschland GmbH
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32  * modification, are permitted provided that the following conditions
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35  *  * Redistributions of source code must retain the above copyright
36  *    notice, this list of conditions and the following disclaimer.
37  *  * Redistributions in binary form must reproduce the above copyright
38  *    notice, this list of conditions and the following disclaimer in
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40  *    distribution.
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42  *    contributors may be used to endorse or promote products derived
43  *    from this software without specific prior written permission.
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45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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57  *****************************************************************************/
58 #ifndef __iwl_fw_runtime_h__
59 #define __iwl_fw_runtime_h__
60 
61 #include "iwl-config.h"
62 #include "iwl-trans.h"
63 #include "img.h"
64 #include "fw/api/debug.h"
65 #include "fw/api/paging.h"
66 #include "iwl-eeprom-parse.h"
67 
68 struct iwl_fw_runtime_ops {
69 	int (*dump_start)(void *ctx);
70 	void (*dump_end)(void *ctx);
71 };
72 
73 #define MAX_NUM_LMAC 2
74 struct iwl_fwrt_shared_mem_cfg {
75 	int num_lmacs;
76 	int num_txfifo_entries;
77 	struct {
78 		u32 txfifo_size[TX_FIFO_MAX_NUM];
79 		u32 rxfifo1_size;
80 	} lmac[MAX_NUM_LMAC];
81 	u32 rxfifo2_size;
82 	u32 internal_txfifo_addr;
83 	u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
84 };
85 
86 enum iwl_fw_runtime_status {
87 	IWL_FWRT_STATUS_DUMPING = 0,
88 };
89 
90 /**
91  * struct iwl_fw_runtime - runtime data for firmware
92  * @fw: firmware image
93  * @cfg: NIC configuration
94  * @dev: device pointer
95  * @ops: user ops
96  * @ops_ctx: user ops context
97  * @status: status flags
98  * @fw_paging_db: paging database
99  * @num_of_paging_blk: number of paging blocks
100  * @num_of_pages_in_last_blk: number of pages in the last block
101  * @smem_cfg: saved firmware SMEM configuration
102  * @cur_fw_img: current firmware image, must be maintained by
103  *	the driver by calling &iwl_fw_set_current_image()
104  * @dump: debug dump data
105  */
106 struct iwl_fw_runtime {
107 	struct iwl_trans *trans;
108 	const struct iwl_fw *fw;
109 	struct device *dev;
110 
111 	const struct iwl_fw_runtime_ops *ops;
112 	void *ops_ctx;
113 
114 	unsigned long status;
115 
116 	/* Paging */
117 	struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
118 	u16 num_of_paging_blk;
119 	u16 num_of_pages_in_last_blk;
120 
121 	enum iwl_ucode_type cur_fw_img;
122 
123 	/* memory configuration */
124 	struct iwl_fwrt_shared_mem_cfg smem_cfg;
125 
126 	/* debug */
127 	struct {
128 		const struct iwl_fw_dump_desc *desc;
129 		const struct iwl_fw_dbg_trigger_tlv *trig;
130 		struct delayed_work wk;
131 
132 		u8 conf;
133 
134 		/* ts of the beginning of a non-collect fw dbg data period */
135 		unsigned long non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
136 	} dump;
137 #ifdef CONFIG_IWLWIFI_DEBUGFS
138 	struct {
139 		struct delayed_work wk;
140 		u32 delay;
141 		u64 seq;
142 	} timestamp;
143 #endif /* CONFIG_IWLWIFI_DEBUGFS */
144 };
145 
146 void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
147 			const struct iwl_fw *fw,
148 			const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
149 			struct dentry *dbgfs_dir);
150 
151 void iwl_fw_runtime_exit(struct iwl_fw_runtime *fwrt);
152 
153 static inline void iwl_fw_set_current_image(struct iwl_fw_runtime *fwrt,
154 					    enum iwl_ucode_type cur_fw_img)
155 {
156 	fwrt->cur_fw_img = cur_fw_img;
157 }
158 
159 int iwl_init_paging(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type type);
160 void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
161 
162 void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
163 
164 void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
165 				  struct iwl_rx_cmd_buffer *rxb);
166 struct iwl_nvm_data *iwl_fw_get_nvm(struct iwl_fw_runtime *fwrt);
167 
168 #endif /* __iwl_fw_runtime_h__ */
169