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
vpg31_powerdown(struct vpg * vpg)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
vpg31_poweron(struct vpg * vpg)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
vpg31_construct(struct dcn31_vpg * vpg31,struct dc_context * ctx,uint32_t inst,const struct dcn31_vpg_registers * vpg_regs,const struct dcn31_vpg_shift * vpg_shift,const struct dcn31_vpg_mask * vpg_mask)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