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 "dc_bios_types.h" |
27 | #include "dcn30/dcn30_vpg.h" |
28 | #include "dcn31_vpg.h" |
29 | #include "reg_helper.h" |
30 | #include "dc/dc.h" |
31 | |
32 | #define DC_LOGGER \ |
33 | vpg31->base.ctx->logger |
34 | |
35 | #define REG(reg)\ |
36 | (vpg31->regs->reg) |
37 | |
38 | #undef FN |
39 | #define FN(reg_name, field_name) \ |
40 | vpg31->vpg_shift->field_name, vpg31->vpg_mask->field_name |
41 | |
42 | |
43 | #define CTX \ |
44 | vpg31->base.ctx |
45 | |
46 | static struct vpg_funcs dcn31_vpg_funcs = { |
47 | .update_generic_info_packet = vpg3_update_generic_info_packet, |
48 | .vpg_poweron = vpg31_poweron, |
49 | .vpg_powerdown = vpg31_powerdown, |
50 | }; |
51 | |
52 | void vpg31_powerdown(struct vpg *vpg) |
53 | { |
54 | struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg); |
55 | |
56 | if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false) |
57 | return; |
58 | |
59 | REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 0, VPG_GSP_LIGHT_SLEEP_FORCE, 1); |
60 | } |
61 | |
62 | void vpg31_poweron(struct vpg *vpg) |
63 | { |
64 | struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg); |
65 | |
66 | if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false) |
67 | return; |
68 | |
69 | REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 1, VPG_GSP_LIGHT_SLEEP_FORCE, 0); |
70 | } |
71 | |
72 | void vpg31_construct(struct dcn31_vpg *vpg31, |
73 | struct dc_context *ctx, |
74 | uint32_t inst, |
75 | const struct dcn31_vpg_registers *vpg_regs, |
76 | const struct dcn31_vpg_shift *vpg_shift, |
77 | const struct dcn31_vpg_mask *vpg_mask) |
78 | { |
79 | vpg31->base.ctx = ctx; |
80 | |
81 | vpg31->base.inst = inst; |
82 | vpg31->base.funcs = &dcn31_vpg_funcs; |
83 | |
84 | vpg31->regs = vpg_regs; |
85 | vpg31->vpg_shift = vpg_shift; |
86 | vpg31->vpg_mask = vpg_mask; |
87 | } |
88 | |