1 /*
2  * Copyright 2019 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  * Authors: AMD
23  *
24  */
25 
26 #include "../dmub_srv.h"
27 #include "dmub_reg.h"
28 #include "dmub_dcn21.h"
29 
30 #include "dcn/dcn_2_1_0_offset.h"
31 #include "dcn/dcn_2_1_0_sh_mask.h"
32 #include "renoir_ip_offset.h"
33 
34 #define BASE_INNER(seg) DMU_BASE__INST0_SEG##seg
35 #define CTX dmub
36 #define REGS dmub->regs
37 
38 /* Registers. */
39 
40 const struct dmub_srv_common_regs dmub_srv_dcn21_regs = {
41 #define DMUB_SR(reg) REG_OFFSET(reg),
42 	{
43 		DMUB_COMMON_REGS()
44 		DMCUB_INTERNAL_REGS()
45 	},
46 #undef DMUB_SR
47 
48 #define DMUB_SF(reg, field) FD_MASK(reg, field),
49 	{ DMUB_COMMON_FIELDS() },
50 #undef DMUB_SF
51 
52 #define DMUB_SF(reg, field) FD_SHIFT(reg, field),
53 	{ DMUB_COMMON_FIELDS() },
54 #undef DMUB_SF
55 };
56 
57 /* Shared functions. */
58 
59 bool dmub_dcn21_is_phy_init(struct dmub_srv *dmub)
60 {
61 	return REG_READ(DMCUB_SCRATCH10) == 0;
62 }
63