1/* $NetBSD: amdgpu_dce120_hw_sequencer.c,v 1.3 2021/12/19 11:23:00 riastradh Exp $ */ 2 3/* 4 * Copyright 2015 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: AMD 25 * 26 */ 27 28#include <sys/cdefs.h> 29__KERNEL_RCSID(0, "$NetBSD: amdgpu_dce120_hw_sequencer.c,v 1.3 2021/12/19 11:23:00 riastradh Exp $"); 30 31#include "dm_services.h" 32#include "dc.h" 33#include "core_types.h" 34#include "dce120_hw_sequencer.h" 35#include "dce/dce_hwseq.h" 36 37#include "dce110/dce110_hw_sequencer.h" 38 39#include "dce/dce_12_0_offset.h" 40#include "dce/dce_12_0_sh_mask.h" 41#include "soc15_hw_ip.h" 42#include "vega10_ip_offset.h" 43#include "reg_helper.h" 44 45#define CTX \ 46 hws->ctx 47#define REG(reg)\ 48 hws->regs->reg 49 50#undef FN 51#define FN(reg_name, field_name) \ 52 hws->shifts->field_name, hws->masks->field_name 53 54struct dce120_hw_seq_reg_offsets { 55 uint32_t crtc; 56}; 57 58static const struct dce120_hw_seq_reg_offsets reg_offsets[] __unused = { 59{ 60 .crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL), 61}, 62{ 63 .crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL), 64}, 65{ 66 .crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL), 67}, 68{ 69 .crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL), 70}, 71{ 72 .crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL), 73}, 74{ 75 .crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL), 76} 77}; 78 79#define HW_REG_CRTC(reg, id)\ 80 (reg + reg_offsets[id].crtc) 81 82#define CNTL_ID(controller_id)\ 83 controller_id 84/******************************************************************************* 85 * Private definitions 86 ******************************************************************************/ 87#if 0 88static void dce120_init_pte(struct dc_context *ctx, uint8_t controller_id) 89{ 90 uint32_t addr; 91 uint32_t value = 0; 92 uint32_t chunk_int = 0; 93 uint32_t chunk_mul = 0; 94/* 95 addr = mmDCP0_DVMM_PTE_CONTROL + controller_id * 96 (mmDCP1_DVMM_PTE_CONTROL- mmDCP0_DVMM_PTE_CONTROL); 97 98 value = dm_read_reg(ctx, addr); 99 100 set_reg_field_value( 101 value, 0, DCP, controller_id, 102 DVMM_PTE_CONTROL, 103 DVMM_USE_SINGLE_PTE); 104 105 set_reg_field_value_soc15( 106 value, 1, DCP, controller_id, 107 DVMM_PTE_CONTROL, 108 DVMM_PTE_BUFFER_MODE0); 109 110 set_reg_field_value_soc15( 111 value, 1, DCP, controller_id, 112 DVMM_PTE_CONTROL, 113 DVMM_PTE_BUFFER_MODE1); 114 115 dm_write_reg(ctx, addr, value);*/ 116 117 addr = mmDVMM_PTE_REQ; 118 value = dm_read_reg(ctx, addr); 119 120 chunk_int = get_reg_field_value( 121 value, 122 DVMM_PTE_REQ, 123 HFLIP_PTEREQ_PER_CHUNK_INT); 124 125 chunk_mul = get_reg_field_value( 126 value, 127 DVMM_PTE_REQ, 128 HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER); 129 130 if (chunk_int != 0x4 || chunk_mul != 0x4) { 131 132 set_reg_field_value( 133 value, 134 255, 135 DVMM_PTE_REQ, 136 MAX_PTEREQ_TO_ISSUE); 137 138 set_reg_field_value( 139 value, 140 4, 141 DVMM_PTE_REQ, 142 HFLIP_PTEREQ_PER_CHUNK_INT); 143 144 set_reg_field_value( 145 value, 146 4, 147 DVMM_PTE_REQ, 148 HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER); 149 150 dm_write_reg(ctx, addr, value); 151 } 152} 153#endif 154 155static bool dce120_enable_display_power_gating( 156 struct dc *dc, 157 uint8_t controller_id, 158 struct dc_bios *dcb, 159 enum pipe_gating_control power_gating) 160{ 161 /* disable for bringup */ 162#if 0 163 enum bp_result bp_result = BP_RESULT_OK; 164 enum bp_pipe_control_action cntl; 165 struct dc_context *ctx = dc->ctx; 166 167 if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) 168 return true; 169 170 if (power_gating == PIPE_GATING_CONTROL_INIT) 171 cntl = ASIC_PIPE_INIT; 172 else if (power_gating == PIPE_GATING_CONTROL_ENABLE) 173 cntl = ASIC_PIPE_ENABLE; 174 else 175 cntl = ASIC_PIPE_DISABLE; 176 177 if (power_gating != PIPE_GATING_CONTROL_INIT || controller_id == 0) { 178 179 bp_result = dcb->funcs->enable_disp_power_gating( 180 dcb, controller_id + 1, cntl); 181 182 /* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2 183 * by default when command table is called 184 */ 185 dm_write_reg(ctx, 186 HW_REG_CRTC(mmCRTC0_CRTC_MASTER_UPDATE_MODE, controller_id), 187 0); 188 } 189 190 if (power_gating != PIPE_GATING_CONTROL_ENABLE) 191 dce120_init_pte(ctx, controller_id); 192 193 if (bp_result == BP_RESULT_OK) 194 return true; 195 else 196 return false; 197#endif 198 return false; 199} 200 201static void dce120_update_dchub( 202 struct dce_hwseq *hws, 203 struct dchub_init_data *dh_data) 204{ 205 /* TODO: port code from dal2 */ 206 switch (dh_data->fb_mode) { 207 case FRAME_BUFFER_MODE_ZFB_ONLY: 208 /*For ZFB case need to put DCHUB FB BASE and TOP upside down to indicate ZFB mode*/ 209 REG_UPDATE_2(DCHUB_FB_LOCATION, 210 FB_TOP, 0, 211 FB_BASE, 0x0FFFF); 212 213 REG_UPDATE(DCHUB_AGP_BASE, 214 AGP_BASE, dh_data->zfb_phys_addr_base >> 22); 215 216 REG_UPDATE(DCHUB_AGP_BOT, 217 AGP_BOT, dh_data->zfb_mc_base_addr >> 22); 218 219 REG_UPDATE(DCHUB_AGP_TOP, 220 AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22); 221 break; 222 case FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL: 223 /*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/ 224 REG_UPDATE(DCHUB_AGP_BASE, 225 AGP_BASE, dh_data->zfb_phys_addr_base >> 22); 226 227 REG_UPDATE(DCHUB_AGP_BOT, 228 AGP_BOT, dh_data->zfb_mc_base_addr >> 22); 229 230 REG_UPDATE(DCHUB_AGP_TOP, 231 AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22); 232 break; 233 case FRAME_BUFFER_MODE_LOCAL_ONLY: 234 /*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/ 235 REG_UPDATE(DCHUB_AGP_BASE, 236 AGP_BASE, 0); 237 238 REG_UPDATE(DCHUB_AGP_BOT, 239 AGP_BOT, 0x03FFFF); 240 241 REG_UPDATE(DCHUB_AGP_TOP, 242 AGP_TOP, 0); 243 break; 244 default: 245 break; 246 } 247 248 dh_data->dchub_initialzied = true; 249 dh_data->dchub_info_valid = false; 250} 251 252/** 253 * dce121_xgmi_enabled() - Check if xGMI is enabled 254 * @hws: DCE hardware sequencer object 255 * 256 * Return true if xGMI is enabled. False otherwise. 257 */ 258bool dce121_xgmi_enabled(struct dce_hwseq *hws) 259{ 260 uint32_t pf_max_region; 261 262 REG_GET(MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION, &pf_max_region); 263 /* PF_MAX_REGION == 0 means xgmi is disabled */ 264 return !!pf_max_region; 265} 266 267void dce120_hw_sequencer_construct(struct dc *dc) 268{ 269 /* All registers used by dce11.2 match those in dce11 in offset and 270 * structure 271 */ 272 dce110_hw_sequencer_construct(dc); 273 dc->hwseq->funcs.enable_display_power_gating = dce120_enable_display_power_gating; 274 dc->hwss.update_dchub = dce120_update_dchub; 275} 276 277