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/*
* Copyright 2022 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 "dcn32_optc.h"
#include "dcn30/dcn30_optc.h"
#include "dcn31/dcn31_optc.h"
#include "reg_helper.h"
#include "dc.h"
#include "dcn_calc_math.h"
#include "dc_dmub_srv.h"
#define REG(reg)\
optc1->tg_regs->reg
#define CTX \
optc1->base.ctx
#undef FN
#define FN(reg_name, field_name) \
optc1->tg_shift->field_name, optc1->tg_mask->field_name
static void optc32_set_odm_combine(struct timing_generator *optc, int *opp_id, int opp_cnt,
struct dc_crtc_timing *timing)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
uint32_t memory_mask = 0;
int h_active = timing->h_addressable + timing->h_border_left + timing->h_border_right;
int mpcc_hactive = h_active / opp_cnt;
/* Each memory instance is 2048x(32x2) bits to support half line of 4096 */
int odm_mem_count = (h_active + 2047) / 2048;
/*
* display <= 4k : 2 memories + 2 pipes
* 4k < display <= 8k : 4 memories + 2 pipes
* 8k < display <= 12k : 6 memories + 4 pipes
*/
if (opp_cnt == 4) {
if (odm_mem_count <= 2)
memory_mask = 0x3;
else if (odm_mem_count <= 4)
memory_mask = 0xf;
else
memory_mask = 0x3f;
} else {
if (odm_mem_count <= 2)
memory_mask = 0x1 << (opp_id[0] * 2) | 0x1 << (opp_id[1] * 2);
else if (odm_mem_count <= 4)
memory_mask = 0x3 << (opp_id[0] * 2) | 0x3 << (opp_id[1] * 2);
else
memory_mask = 0x77;
}
REG_SET(OPTC_MEMORY_CONFIG, 0,
OPTC_MEM_SEL, memory_mask);
if (opp_cnt == 2) {
REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
OPTC_NUM_OF_INPUT_SEGMENT, 1,
OPTC_SEG0_SRC_SEL, opp_id[0],
OPTC_SEG1_SRC_SEL, opp_id[1]);
} else if (opp_cnt == 4) {
REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0,
OPTC_NUM_OF_INPUT_SEGMENT, 3,
OPTC_SEG0_SRC_SEL, opp_id[0],
OPTC_SEG1_SRC_SEL, opp_id[1],
OPTC_SEG2_SRC_SEL, opp_id[2],
OPTC_SEG3_SRC_SEL, opp_id[3]);
}
REG_UPDATE(OPTC_WIDTH_CONTROL,
OPTC_SEGMENT_WIDTH, mpcc_hactive);
REG_UPDATE(OTG_H_TIMING_CNTL,
OTG_H_TIMING_DIV_MODE, opp_cnt - 1);
optc1->opp_count = opp_cnt;
}
void optc32_get_odm_combine_segments(struct timing_generator *tg, int *odm_combine_segments)
{
struct optc *optc1 = DCN10TG_FROM_TG(tg);
int segments;
REG_GET(OPTC_DATA_SOURCE_SELECT, OPTC_NUM_OF_INPUT_SEGMENT, &segments);
switch (segments) {
case 0:
*odm_combine_segments = 1;
break;
case 1:
*odm_combine_segments = 2;
break;
case 3:
*odm_combine_segments = 4;
break;
/* 2 is reserved */
case 2:
default:
*odm_combine_segments = -1;
}
}
void optc32_wait_odm_doublebuffer_pending_clear(struct timing_generator *tg)
{
struct optc *optc1 = DCN10TG_FROM_TG(tg);
REG_WAIT(OTG_DOUBLE_BUFFER_CONTROL, OTG_H_TIMING_DIV_MODE_DB_UPDATE_PENDING, 0, 2, 50000);
}
void optc32_set_h_timing_div_manual_mode(struct timing_generator *optc, bool manual_mode)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
REG_UPDATE(OTG_H_TIMING_CNTL,
OTG_H_TIMING_DIV_MODE_MANUAL, manual_mode ? 1 : 0);
}
/**
* optc32_enable_crtc() - Enable CRTC - call ASIC Control Object to enable Timing generator.
*
* @optc: timing_generator instance.
*
* Return: If CRTC is enabled, return true.
*/
static bool optc32_enable_crtc(struct timing_generator *optc)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
/* opp instance for OTG, 1 to 1 mapping and odm will adjust */
REG_UPDATE(OPTC_DATA_SOURCE_SELECT,
OPTC_SEG0_SRC_SEL, optc->inst);
/* VTG enable first is for HW workaround */
REG_UPDATE(CONTROL,
VTG0_ENABLE, 1);
REG_SEQ_START();
/* Enable CRTC */
REG_UPDATE_2(OTG_CONTROL,
OTG_DISABLE_POINT_CNTL, 2,
OTG_MASTER_EN, 1);
REG_SEQ_SUBMIT();
REG_SEQ_WAIT_DONE();
return true;
}
/* disable_crtc */
static bool optc32_disable_crtc(struct timing_generator *optc)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
REG_UPDATE_5(OPTC_DATA_SOURCE_SELECT,
OPTC_SEG0_SRC_SEL, 0xf,
OPTC_SEG1_SRC_SEL, 0xf,
OPTC_SEG2_SRC_SEL, 0xf,
OPTC_SEG3_SRC_SEL, 0xf,
OPTC_NUM_OF_INPUT_SEGMENT, 0);
REG_UPDATE(OPTC_MEMORY_CONFIG,
OPTC_MEM_SEL, 0);
/* disable otg request until end of the first line
* in the vertical blank region
*/
REG_UPDATE(OTG_CONTROL,
OTG_MASTER_EN, 0);
REG_UPDATE(CONTROL,
VTG0_ENABLE, 0);
/* CRTC disabled, so disable clock. */
REG_WAIT(OTG_CLOCK_CONTROL,
OTG_BUSY, 0,
1, 150000);
return true;
}
static void optc32_phantom_crtc_post_enable(struct timing_generator *optc)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
/* Disable immediately. */
REG_UPDATE_2(OTG_CONTROL, OTG_DISABLE_POINT_CNTL, 0, OTG_MASTER_EN, 0);
/* CRTC disabled, so disable clock. */
REG_WAIT(OTG_CLOCK_CONTROL, OTG_BUSY, 0, 1, 100000);
}
static void optc32_disable_phantom_otg(struct timing_generator *optc)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
REG_UPDATE_5(OPTC_DATA_SOURCE_SELECT,
OPTC_SEG0_SRC_SEL, 0xf,
OPTC_SEG1_SRC_SEL, 0xf,
OPTC_SEG2_SRC_SEL, 0xf,
OPTC_SEG3_SRC_SEL, 0xf,
OPTC_NUM_OF_INPUT_SEGMENT, 0);
REG_UPDATE(OTG_CONTROL, OTG_MASTER_EN, 0);
}
void optc32_set_odm_bypass(struct timing_generator *optc,
const struct dc_crtc_timing *dc_crtc_timing)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
enum h_timing_div_mode h_div = H_TIMING_NO_DIV;
REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0,
OPTC_NUM_OF_INPUT_SEGMENT, 0,
OPTC_SEG0_SRC_SEL, optc->inst,
OPTC_SEG1_SRC_SEL, 0xf,
OPTC_SEG2_SRC_SEL, 0xf,
OPTC_SEG3_SRC_SEL, 0xf
);
h_div = optc1_is_two_pixels_per_containter(dc_crtc_timing);
REG_UPDATE(OTG_H_TIMING_CNTL,
OTG_H_TIMING_DIV_MODE, h_div);
REG_SET(OPTC_MEMORY_CONFIG, 0,
OPTC_MEM_SEL, 0);
optc1->opp_count = 1;
}
static void optc32_setup_manual_trigger(struct timing_generator *optc)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
struct dc *dc = optc->ctx->dc;
if (dc->caps.dmub_caps.mclk_sw && !dc->debug.disable_fams)
dc_dmub_srv_set_drr_manual_trigger_cmd(dc, optc->inst);
else {
/*
* MIN_MASK_EN is gone and MASK is now always enabled.
*
* To get it to it work with manual trigger we need to make sure
* we program the correct bit.
*/
REG_UPDATE_4(OTG_V_TOTAL_CONTROL,
OTG_V_TOTAL_MIN_SEL, 1,
OTG_V_TOTAL_MAX_SEL, 1,
OTG_FORCE_LOCK_ON_EVENT, 0,
OTG_SET_V_TOTAL_MIN_MASK, (1 << 1)); /* TRIGA */
}
}
static void optc32_set_drr(
struct timing_generator *optc,
const struct drr_params *params)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
if (params != NULL &&
params->vertical_total_max > 0 &&
params->vertical_total_min > 0) {
if (params->vertical_total_mid != 0) {
REG_SET(OTG_V_TOTAL_MID, 0,
OTG_V_TOTAL_MID, params->vertical_total_mid - 1);
REG_UPDATE_2(OTG_V_TOTAL_CONTROL,
OTG_VTOTAL_MID_REPLACING_MAX_EN, 1,
OTG_VTOTAL_MID_FRAME_NUM,
(uint8_t)params->vertical_total_mid_frame_num);
}
optc->funcs->set_vtotal_min_max(optc, params->vertical_total_min - 1, params->vertical_total_max - 1);
}
optc32_setup_manual_trigger(optc);
}
static struct timing_generator_funcs dcn32_tg_funcs = {
.validate_timing = optc1_validate_timing,
.program_timing = optc1_program_timing,
.setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
.setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
.setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
.program_global_sync = optc1_program_global_sync,
.enable_crtc = optc32_enable_crtc,
.disable_crtc = optc32_disable_crtc,
.phantom_crtc_post_enable = optc32_phantom_crtc_post_enable,
.disable_phantom_crtc = optc32_disable_phantom_otg,
/* used by enable_timing_synchronization. Not need for FPGA */
.is_counter_moving = optc1_is_counter_moving,
.get_position = optc1_get_position,
.get_frame_count = optc1_get_vblank_counter,
.get_scanoutpos = optc1_get_crtc_scanoutpos,
.get_otg_active_size = optc1_get_otg_active_size,
.set_early_control = optc1_set_early_control,
/* used by enable_timing_synchronization. Not need for FPGA */
.wait_for_state = optc1_wait_for_state,
.set_blank_color = optc3_program_blank_color,
.did_triggered_reset_occur = optc1_did_triggered_reset_occur,
.triplebuffer_lock = optc3_triplebuffer_lock,
.triplebuffer_unlock = optc2_triplebuffer_unlock,
.enable_reset_trigger = optc1_enable_reset_trigger,
.enable_crtc_reset = optc1_enable_crtc_reset,
.disable_reset_trigger = optc1_disable_reset_trigger,
.lock = optc3_lock,
.unlock = optc1_unlock,
.lock_doublebuffer_enable = optc3_lock_doublebuffer_enable,
.lock_doublebuffer_disable = optc3_lock_doublebuffer_disable,
.enable_optc_clock = optc1_enable_optc_clock,
.set_drr = optc32_set_drr,
.get_last_used_drr_vtotal = optc2_get_last_used_drr_vtotal,
.set_vtotal_min_max = optc3_set_vtotal_min_max,
.set_static_screen_control = optc1_set_static_screen_control,
.program_stereo = optc1_program_stereo,
.is_stereo_left_eye = optc1_is_stereo_left_eye,
.tg_init = optc3_tg_init,
.is_tg_enabled = optc1_is_tg_enabled,
.is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
.clear_optc_underflow = optc1_clear_optc_underflow,
.setup_global_swap_lock = NULL,
.get_crc = optc1_get_crc,
.configure_crc = optc1_configure_crc,
.set_dsc_config = optc3_set_dsc_config,
.get_dsc_status = optc2_get_dsc_status,
.set_dwb_source = NULL,
.set_odm_bypass = optc32_set_odm_bypass,
.set_odm_combine = optc32_set_odm_combine,
.get_odm_combine_segments = optc32_get_odm_combine_segments,
.wait_odm_doublebuffer_pending_clear = optc32_wait_odm_doublebuffer_pending_clear,
.set_h_timing_div_manual_mode = optc32_set_h_timing_div_manual_mode,
.get_optc_source = optc2_get_optc_source,
.set_out_mux = optc3_set_out_mux,
.set_drr_trigger_window = optc3_set_drr_trigger_window,
.set_vtotal_change_limit = optc3_set_vtotal_change_limit,
.set_gsl = optc2_set_gsl,
.set_gsl_source_select = optc2_set_gsl_source_select,
.set_vtg_params = optc1_set_vtg_params,
.program_manual_trigger = optc2_program_manual_trigger,
.setup_manual_trigger = optc2_setup_manual_trigger,
.get_hw_timing = optc1_get_hw_timing,
};
void dcn32_timing_generator_init(struct optc *optc1)
{
optc1->base.funcs = &dcn32_tg_funcs;
optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
optc1->min_h_blank = 32;
optc1->min_v_blank = 3;
optc1->min_v_blank_interlace = 5;
optc1->min_h_sync_width = 4;
optc1->min_v_sync_width = 1;
}
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