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/*
* Copyright 2020 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 "reg_helper.h"
#include "resource.h"
#include "dwb.h"
#include "dcn30_dwb.h"
#define REG(reg)\
dwbc30->dwbc_regs->reg
#define CTX \
dwbc30->base.ctx
#undef FN
#define FN(reg_name, field_name) \
dwbc30->dwbc_shift->field_name, dwbc30->dwbc_mask->field_name
#define DC_LOGGER \
dwbc30->base.ctx->logger
static bool dwb3_get_caps(struct dwbc *dwbc, struct dwb_caps *caps)
{
if (caps) {
caps->adapter_id = 0; /* we only support 1 adapter currently */
caps->hw_version = DCN_VERSION_3_0;
caps->num_pipes = 2;
memset(&caps->reserved, 0, sizeof(caps->reserved));
memset(&caps->reserved2, 0, sizeof(caps->reserved2));
caps->sw_version = dwb_ver_2_0;
caps->caps.support_dwb = true;
caps->caps.support_ogam = true;
caps->caps.support_wbscl = true;
caps->caps.support_ocsc = false;
caps->caps.support_stereo = true;
return true;
} else {
return false;
}
}
void dwb3_config_fc(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
/* Set DWB source size */
REG_UPDATE_2(FC_SOURCE_SIZE, FC_SOURCE_WIDTH, params->cnv_params.src_width,
FC_SOURCE_HEIGHT, params->cnv_params.src_height);
/* source size is not equal the source size, then enable cropping. */
if (params->cnv_params.crop_en) {
REG_UPDATE(FC_MODE_CTRL, FC_WINDOW_CROP_EN, 1);
REG_UPDATE(FC_WINDOW_START, FC_WINDOW_START_X, params->cnv_params.crop_x);
REG_UPDATE(FC_WINDOW_START, FC_WINDOW_START_Y, params->cnv_params.crop_y);
REG_UPDATE(FC_WINDOW_SIZE, FC_WINDOW_WIDTH, params->cnv_params.crop_width);
REG_UPDATE(FC_WINDOW_SIZE, FC_WINDOW_HEIGHT, params->cnv_params.crop_height);
} else {
REG_UPDATE(FC_MODE_CTRL, FC_WINDOW_CROP_EN, 0);
}
/* Set CAPTURE_RATE */
REG_UPDATE(FC_MODE_CTRL, FC_FRAME_CAPTURE_RATE, params->capture_rate);
dwb3_set_stereo(dwbc, ¶ms->stereo_params);
}
bool dwb3_enable(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
DC_LOG_DWB("%s dwb3_enabled at inst = %d", __func__, dwbc->inst);
/* Set WB_ENABLE (not double buffered; capture not enabled) */
REG_UPDATE(DWB_ENABLE_CLK_CTRL, DWB_ENABLE, 1);
/* Set FC parameters */
dwb3_config_fc(dwbc, params);
/* Program color processing unit */
dwb3_program_hdr_mult(dwbc, params);
dwb3_set_gamut_remap(dwbc, params);
dwb3_ogam_set_input_transfer_func(dwbc, params->out_transfer_func);
/* Program output denorm */
dwb3_set_denorm(dwbc, params);
/* Enable DWB capture enable (double buffered) */
REG_UPDATE(FC_MODE_CTRL, FC_FRAME_CAPTURE_EN, DWB_FRAME_CAPTURE_ENABLE);
/* First pixel count */
REG_UPDATE(FC_FLOW_CTRL, FC_FIRST_PIXEL_DELAY_COUNT, 96);
return true;
}
bool dwb3_disable(struct dwbc *dwbc)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
/* disable FC */
REG_UPDATE(FC_MODE_CTRL, FC_FRAME_CAPTURE_EN, DWB_FRAME_CAPTURE_DISABLE);
/* disable WB */
REG_UPDATE(DWB_ENABLE_CLK_CTRL, DWB_ENABLE, 0);
DC_LOG_DWB("%s dwb3_disabled at inst = %d", __func__, dwbc->inst);
return true;
}
bool dwb3_update(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
unsigned int pre_locked;
/*
* Check if the caller has already locked DWB registers.
* If so: assume the caller will unlock, so don't touch the lock.
* If not: lock them for this update, then unlock after the
* update is complete.
*/
REG_GET(DWB_UPDATE_CTRL, DWB_UPDATE_LOCK, &pre_locked);
DC_LOG_DWB("%s dwb update, inst = %d", __func__, dwbc->inst);
if (pre_locked == 0) {
/* Lock DWB registers */
REG_UPDATE(DWB_UPDATE_CTRL, DWB_UPDATE_LOCK, 1);
}
/* Set FC parameters */
dwb3_config_fc(dwbc, params);
/* Program color processing unit */
dwb3_program_hdr_mult(dwbc, params);
dwb3_set_gamut_remap(dwbc, params);
dwb3_ogam_set_input_transfer_func(dwbc, params->out_transfer_func);
/* Program output denorm */
dwb3_set_denorm(dwbc, params);
if (pre_locked == 0) {
/* Unlock DWB registers */
REG_UPDATE(DWB_UPDATE_CTRL, DWB_UPDATE_LOCK, 0);
}
return true;
}
bool dwb3_is_enabled(struct dwbc *dwbc)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
unsigned int dwb_enabled = 0;
unsigned int fc_frame_capture_en = 0;
REG_GET(DWB_ENABLE_CLK_CTRL, DWB_ENABLE, &dwb_enabled);
REG_GET(FC_MODE_CTRL, FC_FRAME_CAPTURE_EN, &fc_frame_capture_en);
return ((dwb_enabled != 0) && (fc_frame_capture_en != 0));
}
void dwb3_set_stereo(struct dwbc *dwbc,
struct dwb_stereo_params *stereo_params)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
if (stereo_params->stereo_enabled) {
REG_UPDATE(FC_MODE_CTRL, FC_EYE_SELECTION, stereo_params->stereo_eye_select);
REG_UPDATE(FC_MODE_CTRL, FC_STEREO_EYE_POLARITY, stereo_params->stereo_polarity);
DC_LOG_DWB("%s dwb stereo enabled", __func__);
} else {
REG_UPDATE(FC_MODE_CTRL, FC_EYE_SELECTION, 0);
DC_LOG_DWB("%s dwb stereo disabled", __func__);
}
}
void dwb3_set_new_content(struct dwbc *dwbc,
bool is_new_content)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
REG_UPDATE(FC_MODE_CTRL, FC_NEW_CONTENT, is_new_content);
}
void dwb3_set_denorm(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
/* Set output format*/
REG_UPDATE(DWB_OUT_CTRL, OUT_FORMAT, params->cnv_params.fc_out_format);
/* Set output denorm */
if (params->cnv_params.fc_out_format == DWB_OUT_FORMAT_32BPP_ARGB ||
params->cnv_params.fc_out_format == DWB_OUT_FORMAT_32BPP_RGBA) {
REG_UPDATE(DWB_OUT_CTRL, OUT_DENORM, params->cnv_params.out_denorm_mode);
REG_UPDATE(DWB_OUT_CTRL, OUT_MAX, params->cnv_params.out_max_pix_val);
REG_UPDATE(DWB_OUT_CTRL, OUT_MIN, params->cnv_params.out_min_pix_val);
}
}
const struct dwbc_funcs dcn30_dwbc_funcs = {
.get_caps = dwb3_get_caps,
.enable = dwb3_enable,
.disable = dwb3_disable,
.update = dwb3_update,
.is_enabled = dwb3_is_enabled,
.set_stereo = dwb3_set_stereo,
.set_new_content = dwb3_set_new_content,
.dwb_program_output_csc = NULL,
.dwb_ogam_set_input_transfer_func = dwb3_ogam_set_input_transfer_func, //TODO: rename
.dwb_set_scaler = NULL,
};
void dcn30_dwbc_construct(struct dcn30_dwbc *dwbc30,
struct dc_context *ctx,
const struct dcn30_dwbc_registers *dwbc_regs,
const struct dcn30_dwbc_shift *dwbc_shift,
const struct dcn30_dwbc_mask *dwbc_mask,
int inst)
{
dwbc30->base.ctx = ctx;
dwbc30->base.inst = inst;
dwbc30->base.funcs = &dcn30_dwbc_funcs;
dwbc30->dwbc_regs = dwbc_regs;
dwbc30->dwbc_shift = dwbc_shift;
dwbc30->dwbc_mask = dwbc_mask;
}
void dwb3_set_host_read_rate_control(struct dwbc *dwbc, bool host_read_delay)
{
struct dcn30_dwbc *dwbc30 = TO_DCN30_DWBC(dwbc);
/*
* Set maximum delay of host read access to DWBSCL LUT or OGAM LUT if there are no
* idle cycles in HW pipeline (in number of clock cycles times 4)
*/
REG_UPDATE(DWB_HOST_READ_CONTROL, DWB_HOST_READ_RATE_CONTROL, host_read_delay);
DC_LOG_DWB("%s dwb3_rate_control at inst = %d", __func__, dwbc->inst);
}
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