1/* 2 * Copyright 2012-15 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 27#include "reg_helper.h" 28#include "resource.h" 29#include "mcif_wb.h" 30#include "dcn20_mmhubbub.h" 31 32 33#define REG(reg)\ 34 mcif_wb20->mcif_wb_regs->reg 35 36#define CTX \ 37 mcif_wb20->base.ctx 38 39#undef FN 40#define FN(reg_name, field_name) \ 41 mcif_wb20->mcif_wb_shift->field_name, mcif_wb20->mcif_wb_mask->field_name 42 43#define MCIF_ADDR(addr) (((unsigned long long)addr & 0xffffffffff) + 0xFE) >> 8 44#define MCIF_ADDR_HIGH(addr) (unsigned long long)addr >> 40 45 46/* wbif programming guide: 47 * 1. set up wbif parameter: 48 * unsigned long long luma_address[4]; //4 frame buffer 49 * unsigned long long chroma_address[4]; 50 * unsigned int luma_pitch; 51 * unsigned int chroma_pitch; 52 * unsigned int warmup_pitch=0x10; //256B align, the page size is 4KB when it is 0x10 53 * unsigned int slice_lines; //slice size 54 * unsigned int time_per_pixel; // time per pixel, in ns 55 * unsigned int arbitration_slice; // 0: 512 bytes 1: 1024 bytes 2: 2048 Bytes 56 * unsigned int max_scaled_time; // used for QOS generation 57 * unsigned int swlock=0x0; 58 * unsigned int cli_watermark[4]; //4 group urgent watermark 59 * unsigned int pstate_watermark[4]; //4 group pstate watermark 60 * unsigned int sw_int_en; // Software interrupt enable, frame end and overflow 61 * unsigned int sw_slice_int_en; // slice end interrupt enable 62 * unsigned int sw_overrun_int_en; // overrun error interrupt enable 63 * unsigned int vce_int_en; // VCE interrupt enable, frame end and overflow 64 * unsigned int vce_slice_int_en; // VCE slice end interrupt enable, frame end and overflow 65 * 66 * 2. configure wbif register 67 * a. call mmhubbub_config_wbif() 68 * 69 * 3. Enable wbif 70 * call set_wbif_bufmgr_enable(); 71 * 72 * 4. wbif_dump_status(), option, for debug purpose 73 * the bufmgr status can show the progress of write back, can be used for debug purpose 74 */ 75 76static void mmhubbub2_config_mcif_buf(struct mcif_wb *mcif_wb, 77 struct mcif_buf_params *params, 78 unsigned int dest_height) 79{ 80 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 81 82 /* sw lock buffer0~buffer3, default is 0 */ 83 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_LOCK, params->swlock); 84 85 /* buffer address for packing mode or Luma in planar mode */ 86 REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y, MCIF_WB_BUF_1_ADDR_Y, MCIF_ADDR(params->luma_address[0])); 87 REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[0])); 88 /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ 89 REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y_OFFSET, MCIF_WB_BUF_1_ADDR_Y_OFFSET, 0); 90 91 /* buffer address for Chroma in planar mode (unused in packing mode) */ 92 REG_UPDATE(MCIF_WB_BUF_1_ADDR_C, MCIF_WB_BUF_1_ADDR_C, MCIF_ADDR(params->chroma_address[0])); 93 REG_UPDATE(MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[0])); 94 /* right eye offset for packing mode or Luma in planar mode */ 95 REG_UPDATE(MCIF_WB_BUF_1_ADDR_C_OFFSET, MCIF_WB_BUF_1_ADDR_C_OFFSET, 0); 96 97 /* buffer address for packing mode or Luma in planar mode */ 98 REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y, MCIF_WB_BUF_2_ADDR_Y, MCIF_ADDR(params->luma_address[1])); 99 REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[1])); 100 /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ 101 REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y_OFFSET, MCIF_WB_BUF_2_ADDR_Y_OFFSET, 0); 102 103 /* buffer address for Chroma in planar mode (unused in packing mode) */ 104 REG_UPDATE(MCIF_WB_BUF_2_ADDR_C, MCIF_WB_BUF_2_ADDR_C, MCIF_ADDR(params->chroma_address[1])); 105 REG_UPDATE(MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[1])); 106 /* right eye offset for packing mode or Luma in planar mode */ 107 REG_UPDATE(MCIF_WB_BUF_2_ADDR_C_OFFSET, MCIF_WB_BUF_2_ADDR_C_OFFSET, 0); 108 109 /* buffer address for packing mode or Luma in planar mode */ 110 REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y, MCIF_WB_BUF_3_ADDR_Y, MCIF_ADDR(params->luma_address[2])); 111 REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[2])); 112 /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ 113 REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y_OFFSET, MCIF_WB_BUF_3_ADDR_Y_OFFSET, 0); 114 115 /* buffer address for Chroma in planar mode (unused in packing mode) */ 116 REG_UPDATE(MCIF_WB_BUF_3_ADDR_C, MCIF_WB_BUF_3_ADDR_C, MCIF_ADDR(params->chroma_address[2])); 117 REG_UPDATE(MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[2])); 118 /* right eye offset for packing mode or Luma in planar mode */ 119 REG_UPDATE(MCIF_WB_BUF_3_ADDR_C_OFFSET, MCIF_WB_BUF_3_ADDR_C_OFFSET, 0); 120 121 /* buffer address for packing mode or Luma in planar mode */ 122 REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y, MCIF_WB_BUF_4_ADDR_Y, MCIF_ADDR(params->luma_address[3])); 123 REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[3])); 124 /* right eye sub-buffer address offset for packing mode or Luma in planar mode */ 125 REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y_OFFSET, MCIF_WB_BUF_4_ADDR_Y_OFFSET, 0); 126 127 /* buffer address for Chroma in planar mode (unused in packing mode) */ 128 REG_UPDATE(MCIF_WB_BUF_4_ADDR_C, MCIF_WB_BUF_4_ADDR_C, MCIF_ADDR(params->chroma_address[3])); 129 REG_UPDATE(MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[3])); 130 /* right eye offset for packing mode or Luma in planar mode */ 131 REG_UPDATE(MCIF_WB_BUF_4_ADDR_C_OFFSET, MCIF_WB_BUF_4_ADDR_C_OFFSET, 0); 132 133 /* setup luma & chroma size 134 * should be enough to contain a whole frame Luma data, 135 * the programmed value is frame buffer size [27:8], 256-byte aligned 136 */ 137 REG_UPDATE(MCIF_WB_BUF_LUMA_SIZE, MCIF_WB_BUF_LUMA_SIZE, (params->luma_pitch>>8) * dest_height); 138 REG_UPDATE(MCIF_WB_BUF_CHROMA_SIZE, MCIF_WB_BUF_CHROMA_SIZE, (params->chroma_pitch>>8) * dest_height); 139 140 /* enable address fence */ 141 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUF_ADDR_FENCE_EN, 1); 142 143 /* setup pitch, the programmed value is [15:8], 256B align */ 144 REG_UPDATE_2(MCIF_WB_BUF_PITCH, MCIF_WB_BUF_LUMA_PITCH, params->luma_pitch >> 8, 145 MCIF_WB_BUF_CHROMA_PITCH, params->chroma_pitch >> 8); 146 147 /* Set pitch for MC cache warm up mode */ 148 /* Pitch is 256 bytes aligned. The default pitch is 4K */ 149 /* default is 0x10 */ 150 REG_UPDATE(MCIF_WB_WARM_UP_CNTL, MCIF_WB_PITCH_SIZE_WARMUP, params->warmup_pitch); 151} 152 153static void mmhubbub2_config_mcif_arb(struct mcif_wb *mcif_wb, 154 struct mcif_arb_params *params) 155{ 156 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 157 158 /* Programmed by the video driver based on the CRTC timing (for DWB) */ 159 REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_TIME_PER_PIXEL, params->time_per_pixel); 160 161 /* Programming dwb watermark */ 162 /* Watermark to generate urgent in MCIF_WB_CLI, value is determined by MCIF_WB_CLI_WATERMARK_MASK. */ 163 /* Program in ns. A formula will be provided in the pseudo code to calculate the value. */ 164 REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x0); 165 /* urgent_watermarkA */ 166 REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[0]); 167 REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x1); 168 /* urgent_watermarkB */ 169 REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[1]); 170 REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x2); 171 /* urgent_watermarkC */ 172 REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[2]); 173 REG_UPDATE(MCIF_WB_SCLK_CHANGE, MCIF_WB_CLI_WATERMARK_MASK, 0x3); 174 /* urgent_watermarkD */ 175 REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[3]); 176 177 /* Programming nb pstate watermark */ 178 /* nbp_state_change_watermarkA */ 179 REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x0); 180 REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, 181 NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[0]); 182 /* nbp_state_change_watermarkB */ 183 REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x1); 184 REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, 185 NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[1]); 186 /* nbp_state_change_watermarkC */ 187 REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x2); 188 REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, 189 NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[2]); 190 /* nbp_state_change_watermarkD */ 191 REG_UPDATE(MCIF_WB_NB_PSTATE_CONTROL, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x3); 192 REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, 193 NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[3]); 194 195 /* max_scaled_time */ 196 REG_UPDATE(MULTI_LEVEL_QOS_CTRL, MAX_SCALED_TIME_TO_URGENT, params->max_scaled_time); 197 198 /* slice_lines */ 199 REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_SLICE_SIZE, params->slice_lines-1); 200 201 /* Set arbitration unit for Luma/Chroma */ 202 /* arb_unit=2 should be chosen for more efficiency */ 203 /* Arbitration size, 0: 512 bytes 1: 1024 bytes 2: 2048 Bytes */ 204 REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_CLIENT_ARBITRATION_SLICE, params->arbitration_slice); 205} 206 207void mmhubbub2_config_mcif_irq(struct mcif_wb *mcif_wb, 208 struct mcif_irq_params *params) 209{ 210 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 211 212 /* Set interrupt mask */ 213 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_INT_EN, params->sw_int_en); 214 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_SLICE_INT_EN, params->sw_slice_int_en); 215 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_OVERRUN_INT_EN, params->sw_overrun_int_en); 216 217 REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_VCE_INT_EN, params->vce_int_en); 218 if (mcif_wb20->mcif_wb_mask->MCIF_WB_BUFMGR_VCE_SLICE_INT_EN) 219 REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_VCE_SLICE_INT_EN, params->vce_slice_int_en); 220} 221 222void mmhubbub2_enable_mcif(struct mcif_wb *mcif_wb) 223{ 224 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 225 226 /* Enable Mcifwb */ 227 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_ENABLE, 1); 228} 229 230void mmhubbub2_disable_mcif(struct mcif_wb *mcif_wb) 231{ 232 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 233 234 /* disable buffer manager */ 235 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_ENABLE, 0); 236} 237 238/* set which group of pstate watermark to use and set wbif watermark change request */ 239/* 240static void mmhubbub2_wbif_watermark_change_req(struct mcif_wb *mcif_wb, unsigned int wm_set) 241{ 242 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 243 uint32_t change_req; 244 245 REG_GET(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_REQ, &change_req); 246 change_req = (change_req == 0) ? 1 : 0; 247 REG_UPDATE(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_SEL, wm_set); 248 REG_UPDATE(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_REQ, change_req); 249} 250*/ 251/* Set watermark change interrupt disable bit */ 252/* 253static void mmhubbub2_set_wbif_watermark_change_int_disable(struct mcif_wb *mcif_wb, unsigned int ack_int_dis) 254{ 255 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 256 257 REG_UPDATE(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_ACK_INT_DIS, ack_int_dis); 258} 259*/ 260/* Read watermark change interrupt status */ 261/* 262unsigned int mmhubbub2_get_wbif_watermark_change_int_status(struct mcif_wb *mcif_wb) 263{ 264 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 265 uint32_t irq_status; 266 267 REG_GET(SMU_WM_CONTROL, MCIF_WB0_WM_CHG_ACK_INT_STATUS, &irq_status); 268 return irq_status; 269} 270*/ 271 272void mcifwb2_dump_frame(struct mcif_wb *mcif_wb, 273 struct mcif_buf_params *mcif_params, 274 enum dwb_scaler_mode out_format, 275 unsigned int dest_width, 276 unsigned int dest_height, 277 struct mcif_wb_frame_dump_info *dump_info, 278 unsigned char *luma_buffer, 279 unsigned char *chroma_buffer, 280 unsigned char *dest_luma_buffer, 281 unsigned char *dest_chroma_buffer) 282{ 283 struct dcn20_mmhubbub *mcif_wb20 = TO_DCN20_MMHUBBUB(mcif_wb); 284 285 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_LOCK, 0xf); 286 287 memcpy(dest_luma_buffer, luma_buffer, mcif_params->luma_pitch * dest_height); 288 memcpy(dest_chroma_buffer, chroma_buffer, mcif_params->chroma_pitch * dest_height / 2); 289 290 REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUFMGR_SW_LOCK, 0x0); 291 292 dump_info->format = out_format; 293 dump_info->width = dest_width; 294 dump_info->height = dest_height; 295 dump_info->luma_pitch = mcif_params->luma_pitch; 296 dump_info->chroma_pitch = mcif_params->chroma_pitch; 297 dump_info->size = dest_height * (mcif_params->luma_pitch + mcif_params->chroma_pitch); 298} 299 300static const struct mcif_wb_funcs dcn20_mmhubbub_funcs = { 301 .enable_mcif = mmhubbub2_enable_mcif, 302 .disable_mcif = mmhubbub2_disable_mcif, 303 .config_mcif_buf = mmhubbub2_config_mcif_buf, 304 .config_mcif_arb = mmhubbub2_config_mcif_arb, 305 .config_mcif_irq = mmhubbub2_config_mcif_irq, 306 .dump_frame = mcifwb2_dump_frame, 307}; 308 309void dcn20_mmhubbub_construct(struct dcn20_mmhubbub *mcif_wb20, 310 struct dc_context *ctx, 311 const struct dcn20_mmhubbub_registers *mcif_wb_regs, 312 const struct dcn20_mmhubbub_shift *mcif_wb_shift, 313 const struct dcn20_mmhubbub_mask *mcif_wb_mask, 314 int inst) 315{ 316 mcif_wb20->base.ctx = ctx; 317 318 mcif_wb20->base.inst = inst; 319 mcif_wb20->base.funcs = &dcn20_mmhubbub_funcs; 320 321 mcif_wb20->mcif_wb_regs = mcif_wb_regs; 322 mcif_wb20->mcif_wb_shift = mcif_wb_shift; 323 mcif_wb20->mcif_wb_mask = mcif_wb_mask; 324} 325