cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

dcn31_afmt.c (2832B)

      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
     47static 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
     57void 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
     67void 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
     77void 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}