/* * 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); } 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; }