/*
* 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 "mcif_wb.h"
#include "dcn30_mmhubbub.h"
#define REG(reg)\
mcif_wb30->mcif_wb_regs->reg
#define CTX \
mcif_wb30->base.ctx
#undef FN
#define FN(reg_name, field_name) \
mcif_wb30->mcif_wb_shift->field_name, mcif_wb30->mcif_wb_mask->field_name
#define MCIF_ADDR(addr) (((unsigned long long)addr & 0xffffffffff) + 0xFE) >> 8
#define MCIF_ADDR_HIGH(addr) (unsigned long long)addr >> 40
/* wbif programming guide:
* 1. set up wbif parameter:
* unsigned long long luma_address[4]; //4 frame buffer
* unsigned long long chroma_address[4];
* unsigned int luma_pitch;
* unsigned int chroma_pitch;
* unsigned int warmup_pitch=0x10; //256B align, the page size is 4KB when it is 0x10
* unsigned int slice_lines; //slice size
* unsigned int time_per_pixel; // time per pixel, in ns
* unsigned int arbitration_slice; // 0: 2048 bytes 1: 4096 bytes 2: 8192 Bytes
* unsigned int max_scaled_time; // used for QOS generation
* unsigned int swlock=0x0;
* unsigned int cli_watermark[4]; //4 group urgent watermark
* unsigned int pstate_watermark[4]; //4 group pstate watermark
* unsigned int sw_int_en; // Software interrupt enable, frame end and overflow
* unsigned int sw_slice_int_en; // slice end interrupt enable
* unsigned int sw_overrun_int_en; // overrun error interrupt enable
* unsigned int vce_int_en; // VCE interrupt enable, frame end and overflow
* unsigned int vce_slice_int_en; // VCE slice end interrupt enable, frame end and overflow
*
* 2. configure wbif register
* a. call mmhubbub_config_wbif()
*
* 3. Enable wbif
* call set_wbif_bufmgr_enable();
*
* 4. wbif_dump_status(), option, for debug purpose
* the bufmgr status can show the progress of write back, can be used for debug purpose
*/
static void mmhubbub3_warmup_mcif(struct mcif_wb *mcif_wb,
struct mcif_warmup_params *params)
{
struct dcn30_mmhubbub *mcif_wb30 = TO_DCN30_MMHUBBUB(mcif_wb);
union large_integer start_address_shift = {.quad_part = params->start_address.quad_part >> 5};
/* Set base address and region size for warmup */
REG_SET(MMHUBBUB_WARMUP_BASE_ADDR_HIGH, 0, MMHUBBUB_WARMUP_BASE_ADDR_HIGH, start_address_shift.high_part);
REG_SET(MMHUBBUB_WARMUP_BASE_ADDR_LOW, 0, MMHUBBUB_WARMUP_BASE_ADDR_LOW, start_address_shift.low_part);
REG_SET(MMHUBBUB_WARMUP_ADDR_REGION, 0, MMHUBBUB_WARMUP_ADDR_REGION, params->region_size >> 5);
// REG_SET(MMHUBBUB_WARMUP_P_VMID, 0, MMHUBBUB_WARMUP_P_VMID, params->p_vmid);
/* Set address increment and enable warmup */
REG_SET_3(MMHUBBUB_WARMUP_CONTROL_STATUS, 0, MMHUBBUB_WARMUP_EN, true,
MMHUBBUB_WARMUP_SW_INT_EN, true,
MMHUBBUB_WARMUP_INC_ADDR, params->address_increment >> 5);
/* Wait for an interrupt to signal warmup is completed */
REG_WAIT(MMHUBBUB_WARMUP_CONTROL_STATUS, MMHUBBUB_WARMUP_SW_INT_STATUS, 1, 20, 100);
/* Acknowledge interrupt */
REG_UPDATE(MMHUBBUB_WARMUP_CONTROL_STATUS, MMHUBBUB_WARMUP_SW_INT_ACK, 1);
/* Disable warmup */
REG_UPDATE(MMHUBBUB_WARMUP_CONTROL_STATUS, MMHUBBUB_WARMUP_EN, false);
}
static void mmhubbub3_config_mcif_buf(struct mcif_wb *mcif_wb,
struct mcif_buf_params *params,
unsigned int dest_height)
{
struct dcn30_mmhubbub *mcif_wb30 = TO_DCN30_MMHUBBUB(mcif_wb);
/* buffer address for packing mode or Luma in planar mode */
REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y, MCIF_WB_BUF_1_ADDR_Y, MCIF_ADDR(params->luma_address[0]));
REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[0]));
/* buffer address for Chroma in planar mode (unused in packing mode) */
REG_UPDATE(MCIF_WB_BUF_1_ADDR_C, MCIF_WB_BUF_1_ADDR_C, MCIF_ADDR(params->chroma_address[0]));
REG_UPDATE(MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[0]));
/* buffer address for packing mode or Luma in planar mode */
REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y, MCIF_WB_BUF_2_ADDR_Y, MCIF_ADDR(params->luma_address[1]));
REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[1]));
/* buffer address for Chroma in planar mode (unused in packing mode) */
REG_UPDATE(MCIF_WB_BUF_2_ADDR_C, MCIF_WB_BUF_2_ADDR_C, MCIF_ADDR(params->chroma_address[1]));
REG_UPDATE(MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[1]));
/* buffer address for packing mode or Luma in planar mode */
REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y, MCIF_WB_BUF_3_ADDR_Y, MCIF_ADDR(params->luma_address[2]));
REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[2]));
/* buffer address for Chroma in planar mode (unused in packing mode) */
REG_UPDATE(MCIF_WB_BUF_3_ADDR_C, MCIF_WB_BUF_3_ADDR_C, MCIF_ADDR(params->chroma_address[2]));
REG_UPDATE(MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[2]));
/* buffer address for packing mode or Luma in planar mode */
REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y, MCIF_WB_BUF_4_ADDR_Y, MCIF_ADDR(params->luma_address[3]));
REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[3]));
/* buffer address for Chroma in planar mode (unused in packing mode) */
REG_UPDATE(MCIF_WB_BUF_4_ADDR_C, MCIF_WB_BUF_4_ADDR_C, MCIF_ADDR(params->chroma_address[3]));
REG_UPDATE(MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[3]));
/* setup luma & chroma size
* should be enough to contain a whole frame Luma data,
* the programmed value is frame buffer size [27:8], 256-byte aligned
*/
REG_UPDATE(MCIF_WB_BUF_LUMA_SIZE, MCIF_WB_BUF_LUMA_SIZE, (params->luma_pitch>>8) * dest_height);
REG_UPDATE(MCIF_WB_BUF_CHROMA_SIZE, MCIF_WB_BUF_CHROMA_SIZE, (params->chroma_pitch>>8) * dest_height);
/* enable address fence */
REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUF_ADDR_FENCE_EN, 1);
/* setup pitch, the programmed value is [15:8], 256B align */
REG_UPDATE_2(MCIF_WB_BUF_PITCH, MCIF_WB_BUF_LUMA_PITCH, params->luma_pitch >> 8,
MCIF_WB_BUF_CHROMA_PITCH, params->chroma_pitch >> 8);
}
static void mmhubbub3_config_mcif_arb(struct mcif_wb *mcif_wb,
struct mcif_arb_params *params)
{
struct dcn30_mmhubbub *mcif_wb30 = TO_DCN30_MMHUBBUB(mcif_wb);
/* Programmed by the video driver based on the CRTC timing (for DWB) */
REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_TIME_PER_PIXEL, params->time_per_pixel);
/* Programming dwb watermark */
/* Watermark to generate urgent in MCIF_WB_CLI, value is determined by MCIF_WB_CLI_WATERMARK_MASK. */
/* Program in ns. A formula will be provided in the pseudo code to calculate the value. */
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x0);
/* urgent_watermarkA */
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[0]);
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x1);
/* urgent_watermarkB */
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[1]);
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x2);
/* urgent_watermarkC */
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[2]);
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x3);
/* urgent_watermarkD */
REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[3]);
/* Programming nb pstate watermark */
/* nbp_state_change_watermarkA */
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x0);
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK,
NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[0]);
/* nbp_state_change_watermarkB */
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x1);
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK,
NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[1]);
/* nbp_state_change_watermarkC */
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x2);
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK,
NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[2]);
/* nbp_state_change_watermarkD */
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x3);
REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK,
NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[3]);
/* dram_speed_change_duration */
REG_UPDATE(MCIF_WB_DRAM_SPEED_CHANGE_DURATION_VBI,
MCIF_WB_DRAM_SPEED_CHANGE_DURATION_VBI, params->dram_speed_change_duration);
/* max_scaled_time */
REG_UPDATE(MULTI_LEVEL_QOS_CTRL, MAX_SCALED_TIME_TO_URGENT, params->max_scaled_time);
/* slice_lines */
REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_SLICE_SIZE, params->slice_lines-1);
/* Set arbitration unit for Luma/Chroma */
/* arb_unit=2 should be chosen for more efficiency */
/* Arbitration size, 0: 2048 bytes 1: 4096 bytes 2: 8192 Bytes */
REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_CLIENT_ARBITRATION_SLICE, params->arbitration_slice);
}
static const struct mcif_wb_funcs dcn30_mmhubbub_funcs = {
.warmup_mcif = mmhubbub3_warmup_mcif,
.enable_mcif = mmhubbub2_enable_mcif,
.disable_mcif = mmhubbub2_disable_mcif,
.config_mcif_buf = mmhubbub3_config_mcif_buf,
.config_mcif_arb = mmhubbub3_config_mcif_arb,
.config_mcif_irq = mmhubbub2_config_mcif_irq,
.dump_frame = mcifwb2_dump_frame,
};
void dcn30_mmhubbub_construct(struct dcn30_mmhubbub *mcif_wb30,
struct dc_context *ctx,
const struct dcn30_mmhubbub_registers *mcif_wb_regs,
const struct dcn30_mmhubbub_shift *mcif_wb_shift,
const struct dcn30_mmhubbub_mask *mcif_wb_mask,
int inst)
{
mcif_wb30->base.ctx = ctx;
mcif_wb30->base.inst = inst;
mcif_wb30->base.funcs = &dcn30_mmhubbub_funcs;
mcif_wb30->mcif_wb_regs = mcif_wb_regs;
mcif_wb30->mcif_wb_shift = mcif_wb_shift;
mcif_wb30->mcif_wb_mask = mcif_wb_mask;
}
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