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1 /*
2  * Copyright 2015 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #ifndef _SMU7_SMUMANAGER_H
25 #define _SMU7_SMUMANAGER_H
26 
27 
28 #include <pp_endian.h>
29 
30 #define SMC_RAM_END 0x40000
31 
32 struct smu7_buffer_entry {
33 	uint32_t data_size;
34 	uint32_t mc_addr_low;
35 	uint32_t mc_addr_high;
36 	void *kaddr;
37 	unsigned long  handle;
38 };
39 
40 struct smu7_avfs {
41 	enum AVFS_BTC_STATUS avfs_btc_status;
42 	uint32_t           avfs_btc_param;
43 };
44 
45 struct smu7_smumgr {
46 	uint8_t *header;
47 	uint8_t *mec_image;
48 	struct smu7_buffer_entry smu_buffer;
49 	struct smu7_buffer_entry header_buffer;
50 
51 	uint32_t                             soft_regs_start;
52 	uint32_t                             dpm_table_start;
53 	uint32_t                             mc_reg_table_start;
54 	uint32_t                             fan_table_start;
55 	uint32_t                             arb_table_start;
56 	uint32_t                             ulv_setting_starts;
57 	uint8_t                              security_hard_key;
58 	uint32_t                             acpi_optimization;
59 	struct smu7_avfs                     avfs;
60 };
61 
62 
63 int smu7_copy_bytes_from_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address,
64 				uint32_t *dest, uint32_t byte_count, uint32_t limit);
65 int smu7_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address,
66 			const uint8_t *src, uint32_t byte_count, uint32_t limit);
67 int smu7_program_jump_on_start(struct pp_smumgr *smumgr);
68 bool smu7_is_smc_ram_running(struct pp_smumgr *smumgr);
69 int smu7_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg);
70 int smu7_send_msg_to_smc_without_waiting(struct pp_smumgr *smumgr, uint16_t msg);
71 int smu7_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr, uint16_t msg,
72 						uint32_t parameter);
73 int smu7_send_msg_to_smc_with_parameter_without_waiting(struct pp_smumgr *smumgr,
74 						uint16_t msg, uint32_t parameter);
75 int smu7_send_msg_to_smc_offset(struct pp_smumgr *smumgr);
76 int smu7_wait_for_smc_inactive(struct pp_smumgr *smumgr);
77 
78 enum cgs_ucode_id smu7_convert_fw_type_to_cgs(uint32_t fw_type);
79 int smu7_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr,
80 						uint32_t *value, uint32_t limit);
81 int smu7_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr,
82 						uint32_t value, uint32_t limit);
83 
84 int smu7_request_smu_load_fw(struct pp_smumgr *smumgr);
85 int smu7_check_fw_load_finish(struct pp_smumgr *smumgr, uint32_t fw_type);
86 int smu7_reload_firmware(struct pp_smumgr *smumgr);
87 int smu7_upload_smu_firmware_image(struct pp_smumgr *smumgr);
88 int smu7_init(struct pp_smumgr *smumgr);
89 int smu7_smu_fini(struct pp_smumgr *smumgr);
90 
91 #endif