xref: /linux/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_afmt.c (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
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 "hw_shared.h"
28 #include "dcn30/dcn30_afmt.h"
29 #include "dcn31_afmt.h"
30 #include "reg_helper.h"
31 #include "dc/dc.h"
32 
33 #define DC_LOGGER \
34 		afmt31->base.ctx->logger
35 
36 #define REG(reg)\
37 	(afmt31->regs->reg)
38 
39 #undef FN
40 #define FN(reg_name, field_name) \
41 	afmt31->afmt_shift->field_name, afmt31->afmt_mask->field_name
42 
43 
44 #define CTX \
45 	afmt31->base.ctx
46 
47 static struct afmt_funcs dcn31_afmt_funcs = {
48 	.setup_hdmi_audio		= afmt3_setup_hdmi_audio,
49 	.se_audio_setup			= afmt3_se_audio_setup,
50 	.audio_mute_control		= afmt3_audio_mute_control,
51 	.audio_info_immediate_update	= afmt3_audio_info_immediate_update,
52 	.setup_dp_audio			= afmt3_setup_dp_audio,
53 	.afmt_powerdown			= afmt31_powerdown,
54 	.afmt_poweron			= afmt31_poweron
55 };
56 
afmt31_powerdown(struct afmt * afmt)57 void afmt31_powerdown(struct afmt *afmt)
58 {
59 	struct dcn31_afmt *afmt31 = DCN31_AFMT_FROM_AFMT(afmt);
60 
61 	if (afmt->ctx->dc->debug.enable_mem_low_power.bits.afmt == false)
62 		return;
63 
64 	REG_UPDATE_2(AFMT_MEM_PWR, AFMT_MEM_PWR_DIS, 0, AFMT_MEM_PWR_FORCE, 1);
65 }
66 
afmt31_poweron(struct afmt * afmt)67 void afmt31_poweron(struct afmt *afmt)
68 {
69 	struct dcn31_afmt *afmt31 = DCN31_AFMT_FROM_AFMT(afmt);
70 
71 	if (afmt->ctx->dc->debug.enable_mem_low_power.bits.afmt == false)
72 		return;
73 
74 	REG_UPDATE_2(AFMT_MEM_PWR, AFMT_MEM_PWR_DIS, 1, AFMT_MEM_PWR_FORCE, 0);
75 }
76 
afmt31_construct(struct dcn31_afmt * afmt31,struct dc_context * ctx,uint32_t inst,const struct dcn31_afmt_registers * afmt_regs,const struct dcn31_afmt_shift * afmt_shift,const struct dcn31_afmt_mask * afmt_mask)77 void afmt31_construct(struct dcn31_afmt *afmt31,
78 	struct dc_context *ctx,
79 	uint32_t inst,
80 	const struct dcn31_afmt_registers *afmt_regs,
81 	const struct dcn31_afmt_shift *afmt_shift,
82 	const struct dcn31_afmt_mask *afmt_mask)
83 {
84 	afmt31->base.ctx = ctx;
85 
86 	afmt31->base.inst = inst;
87 	afmt31->base.funcs = &dcn31_afmt_funcs;
88 
89 	afmt31->regs = afmt_regs;
90 	afmt31->afmt_shift = afmt_shift;
91 	afmt31->afmt_mask = afmt_mask;
92 }
93