1 /* $NetBSD: amdgpu_dmub_dcn21.c,v 1.2 2021/12/18 23:45:07 riastradh Exp $ */
2
3 /*
4 * Copyright 2019 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: AMD
25 *
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: amdgpu_dmub_dcn21.c,v 1.2 2021/12/18 23:45:07 riastradh Exp $");
30
31 #include "../inc/dmub_srv.h"
32 #include "dmub_reg.h"
33 #include "dmub_dcn21.h"
34
35 #include "dcn/dcn_2_1_0_offset.h"
36 #include "dcn/dcn_2_1_0_sh_mask.h"
37 #include "renoir_ip_offset.h"
38
39 #define BASE_INNER(seg) DMU_BASE__INST0_SEG##seg
40 #define CTX dmub
41 #define REGS dmub->regs
42
43 /* Registers. */
44
45 const struct dmub_srv_common_regs dmub_srv_dcn21_regs = {
46 #define DMUB_SR(reg) REG_OFFSET(reg),
47 { DMUB_COMMON_REGS() },
48 #undef DMUB_SR
49
50 #define DMUB_SF(reg, field) FD_MASK(reg, field),
51 { DMUB_COMMON_FIELDS() },
52 #undef DMUB_SF
53
54 #define DMUB_SF(reg, field) FD_SHIFT(reg, field),
55 { DMUB_COMMON_FIELDS() },
56 #undef DMUB_SF
57 };
58
59 /* Shared functions. */
60
dmub_dcn21_is_auto_load_done(struct dmub_srv * dmub)61 bool dmub_dcn21_is_auto_load_done(struct dmub_srv *dmub)
62 {
63 return (REG_READ(DMCUB_SCRATCH0) == 3);
64 }
65
dmub_dcn21_is_phy_init(struct dmub_srv * dmub)66 bool dmub_dcn21_is_phy_init(struct dmub_srv *dmub)
67 {
68 return REG_READ(DMCUB_SCRATCH10) == 0;
69 }
70