/* SPDX-License-Identifier: MIT */
/*
* Copyright 2023 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dcn35_dsc.h"
#include "reg_helper.h"
static void dsc35_enable(struct display_stream_compressor *dsc, int opp_pipe);
static const struct dsc_funcs dcn35_dsc_funcs = {
.dsc_get_enc_caps = dsc2_get_enc_caps,
.dsc_read_state = dsc2_read_state,
.dsc_validate_stream = dsc2_validate_stream,
.dsc_set_config = dsc2_set_config,
.dsc_get_packed_pps = dsc2_get_packed_pps,
.dsc_enable = dsc35_enable,
.dsc_disable = dsc2_disable,
.dsc_disconnect = dsc2_disconnect,
.dsc_wait_disconnect_pending_clear = dsc2_wait_disconnect_pending_clear,
};
/* Macro definitios for REG_SET macros*/
#define CTX \
dsc20->base.ctx
#define REG(reg)\
dsc20->dsc_regs->reg
#undef FN
#define FN(reg_name, field_name) \
((const struct dcn35_dsc_shift *)(dsc20->dsc_shift))->field_name, \
((const struct dcn35_dsc_mask *)(dsc20->dsc_mask))->field_name
#define DC_LOGGER \
dsc->ctx->logger
void dsc35_construct(struct dcn20_dsc *dsc,
struct dc_context *ctx,
int inst,
const struct dcn20_dsc_registers *dsc_regs,
const struct dcn35_dsc_shift *dsc_shift,
const struct dcn35_dsc_mask *dsc_mask)
{
dsc->base.ctx = ctx;
dsc->base.inst = inst;
dsc->base.funcs = &dcn35_dsc_funcs;
dsc->dsc_regs = dsc_regs;
dsc->dsc_shift = (const struct dcn20_dsc_shift *)(dsc_shift);
dsc->dsc_mask = (const struct dcn20_dsc_mask *)(dsc_mask);
dsc->max_image_width = 5184;
}
static void dsc35_enable(struct display_stream_compressor *dsc, int opp_pipe)
{
struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
int dsc_clock_en;
int dsc_fw_config;
int enabled_opp_pipe;
DC_LOG_DSC("enable DSC %d at opp pipe %d", dsc->inst, opp_pipe);
// TODO: After an idle exit, the HW default values for power control
// are changed intermittently due to unknown reasons. There are cases
// when dscc memory are still in shutdown state during enablement.
// Reset power control to hw default values.
REG_UPDATE_2(DSCC_MEM_POWER_CONTROL,
DSCC_MEM_PWR_FORCE, 0,
DSCC_MEM_PWR_DIS, 0);
REG_GET(DSC_TOP_CONTROL, DSC_CLOCK_EN, &dsc_clock_en);
REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &dsc_fw_config, DSCRM_DSC_OPP_PIPE_SOURCE, &enabled_opp_pipe);
if ((dsc_clock_en || dsc_fw_config) && enabled_opp_pipe != opp_pipe) {
DC_LOG_DSC("ERROR: DSC %d at opp pipe %d already enabled!", dsc->inst, enabled_opp_pipe);
ASSERT(0);
}
REG_UPDATE(DSC_TOP_CONTROL,
DSC_CLOCK_EN, 1);
REG_UPDATE_2(DSCRM_DSC_FORWARD_CONFIG,
DSCRM_DSC_FORWARD_EN, 1,
DSCRM_DSC_OPP_PIPE_SOURCE, opp_pipe);
}
void dsc35_set_fgcg(struct dcn20_dsc *dsc20, bool enable)
{
REG_UPDATE(DSC_TOP_CONTROL, DSC_FGCG_REP_DIS, !enable);
}
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