1/* $NetBSD: amdgpu_hw_translate_dcn20.c,v 1.2 2021/12/18 23:45:05 riastradh Exp $ */ 2 3/* 4 * Copyright 2018 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/* 29 * Pre-requisites: headers required by header of this unit 30 */ 31#include <sys/cdefs.h> 32__KERNEL_RCSID(0, "$NetBSD: amdgpu_hw_translate_dcn20.c,v 1.2 2021/12/18 23:45:05 riastradh Exp $"); 33 34#include "hw_translate_dcn20.h" 35 36#include "dm_services.h" 37#include "include/gpio_types.h" 38#include "../hw_translate.h" 39 40#include "dcn/dcn_1_0_offset.h" 41#include "dcn/dcn_1_0_sh_mask.h" 42#include "soc15_hw_ip.h" 43#include "vega10_ip_offset.h" 44 45 46 47/* begin ********************* 48 * macros to expend register list macro defined in HW object header file */ 49 50/* DCN */ 51#define block HPD 52#define reg_num 0 53 54#undef BASE_INNER 55#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg 56 57#define BASE(seg) BASE_INNER(seg) 58 59#undef REG 60#define REG(reg_name)\ 61 BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name 62#define SF_HPD(reg_name, field_name, post_fix)\ 63 .field_name = reg_name ## __ ## field_name ## post_fix 64 65 66/* macros to expend register list macro defined in HW object header file 67 * end *********************/ 68 69 70static bool offset_to_id( 71 uint32_t offset, 72 uint32_t mask, 73 enum gpio_id *id, 74 uint32_t *en) 75{ 76 switch (offset) { 77 /* GENERIC */ 78 case REG(DC_GPIO_GENERIC_A): 79 *id = GPIO_ID_GENERIC; 80 switch (mask) { 81 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK: 82 *en = GPIO_GENERIC_A; 83 return true; 84 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK: 85 *en = GPIO_GENERIC_B; 86 return true; 87 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK: 88 *en = GPIO_GENERIC_C; 89 return true; 90 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK: 91 *en = GPIO_GENERIC_D; 92 return true; 93 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK: 94 *en = GPIO_GENERIC_E; 95 return true; 96 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK: 97 *en = GPIO_GENERIC_F; 98 return true; 99 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK: 100 *en = GPIO_GENERIC_G; 101 return true; 102 default: 103 ASSERT_CRITICAL(false); 104 return false; 105 } 106 break; 107 /* HPD */ 108 case REG(DC_GPIO_HPD_A): 109 *id = GPIO_ID_HPD; 110 switch (mask) { 111 case DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK: 112 *en = GPIO_HPD_1; 113 return true; 114 case DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK: 115 *en = GPIO_HPD_2; 116 return true; 117 case DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK: 118 *en = GPIO_HPD_3; 119 return true; 120 case DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK: 121 *en = GPIO_HPD_4; 122 return true; 123 case DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK: 124 *en = GPIO_HPD_5; 125 return true; 126 case DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK: 127 *en = GPIO_HPD_6; 128 return true; 129 default: 130 ASSERT_CRITICAL(false); 131 return false; 132 } 133 break; 134 /* REG(DC_GPIO_GENLK_MASK */ 135 case REG(DC_GPIO_GENLK_A): 136 *id = GPIO_ID_GSL; 137 switch (mask) { 138 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK: 139 *en = GPIO_GSL_GENLOCK_CLOCK; 140 return true; 141 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK: 142 *en = GPIO_GSL_GENLOCK_VSYNC; 143 return true; 144 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK: 145 *en = GPIO_GSL_SWAPLOCK_A; 146 return true; 147 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK: 148 *en = GPIO_GSL_SWAPLOCK_B; 149 return true; 150 default: 151 ASSERT_CRITICAL(false); 152 return false; 153 } 154 break; 155 /* DDC */ 156 /* we don't care about the GPIO_ID for DDC 157 * in DdcHandle it will use GPIO_ID_DDC_DATA/GPIO_ID_DDC_CLOCK 158 * directly in the create method */ 159 case REG(DC_GPIO_DDC1_A): 160 *en = GPIO_DDC_LINE_DDC1; 161 return true; 162 case REG(DC_GPIO_DDC2_A): 163 *en = GPIO_DDC_LINE_DDC2; 164 return true; 165 case REG(DC_GPIO_DDC3_A): 166 *en = GPIO_DDC_LINE_DDC3; 167 return true; 168 case REG(DC_GPIO_DDC4_A): 169 *en = GPIO_DDC_LINE_DDC4; 170 return true; 171 case REG(DC_GPIO_DDC5_A): 172 *en = GPIO_DDC_LINE_DDC5; 173 return true; 174 case REG(DC_GPIO_DDC6_A): 175 *en = GPIO_DDC_LINE_DDC6; 176 return true; 177 case REG(DC_GPIO_DDCVGA_A): 178 *en = GPIO_DDC_LINE_DDC_VGA; 179 return true; 180 181// case REG(DC_GPIO_I2CPAD_A): not exit 182// case REG(DC_GPIO_PWRSEQ_A): 183// case REG(DC_GPIO_PAD_STRENGTH_1): 184// case REG(DC_GPIO_PAD_STRENGTH_2): 185// case REG(DC_GPIO_DEBUG): 186 /* UNEXPECTED */ 187 default: 188// case REG(DC_GPIO_SYNCA_A): not exist 189 ASSERT_CRITICAL(false); 190 return false; 191 } 192} 193 194static bool id_to_offset( 195 enum gpio_id id, 196 uint32_t en, 197 struct gpio_pin_info *info) 198{ 199 bool result = true; 200 201 switch (id) { 202 case GPIO_ID_DDC_DATA: 203 info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6DATA_A_MASK; 204 switch (en) { 205 case GPIO_DDC_LINE_DDC1: 206 info->offset = REG(DC_GPIO_DDC1_A); 207 break; 208 case GPIO_DDC_LINE_DDC2: 209 info->offset = REG(DC_GPIO_DDC2_A); 210 break; 211 case GPIO_DDC_LINE_DDC3: 212 info->offset = REG(DC_GPIO_DDC3_A); 213 break; 214 case GPIO_DDC_LINE_DDC4: 215 info->offset = REG(DC_GPIO_DDC4_A); 216 break; 217 case GPIO_DDC_LINE_DDC5: 218 info->offset = REG(DC_GPIO_DDC5_A); 219 break; 220 case GPIO_DDC_LINE_DDC6: 221 info->offset = REG(DC_GPIO_DDC6_A); 222 break; 223 case GPIO_DDC_LINE_DDC_VGA: 224 info->offset = REG(DC_GPIO_DDCVGA_A); 225 break; 226 case GPIO_DDC_LINE_I2C_PAD: 227 default: 228 ASSERT_CRITICAL(false); 229 result = false; 230 } 231 break; 232 case GPIO_ID_DDC_CLOCK: 233 info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6CLK_A_MASK; 234 switch (en) { 235 case GPIO_DDC_LINE_DDC1: 236 info->offset = REG(DC_GPIO_DDC1_A); 237 break; 238 case GPIO_DDC_LINE_DDC2: 239 info->offset = REG(DC_GPIO_DDC2_A); 240 break; 241 case GPIO_DDC_LINE_DDC3: 242 info->offset = REG(DC_GPIO_DDC3_A); 243 break; 244 case GPIO_DDC_LINE_DDC4: 245 info->offset = REG(DC_GPIO_DDC4_A); 246 break; 247 case GPIO_DDC_LINE_DDC5: 248 info->offset = REG(DC_GPIO_DDC5_A); 249 break; 250 case GPIO_DDC_LINE_DDC6: 251 info->offset = REG(DC_GPIO_DDC6_A); 252 break; 253 case GPIO_DDC_LINE_DDC_VGA: 254 info->offset = REG(DC_GPIO_DDCVGA_A); 255 break; 256 case GPIO_DDC_LINE_I2C_PAD: 257 default: 258 ASSERT_CRITICAL(false); 259 result = false; 260 } 261 break; 262 case GPIO_ID_GENERIC: 263 info->offset = REG(DC_GPIO_GENERIC_A); 264 switch (en) { 265 case GPIO_GENERIC_A: 266 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK; 267 break; 268 case GPIO_GENERIC_B: 269 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK; 270 break; 271 case GPIO_GENERIC_C: 272 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK; 273 break; 274 case GPIO_GENERIC_D: 275 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK; 276 break; 277 case GPIO_GENERIC_E: 278 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK; 279 break; 280 case GPIO_GENERIC_F: 281 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK; 282 break; 283 case GPIO_GENERIC_G: 284 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK; 285 break; 286 default: 287 ASSERT_CRITICAL(false); 288 result = false; 289 } 290 break; 291 case GPIO_ID_HPD: 292 info->offset = REG(DC_GPIO_HPD_A); 293 switch (en) { 294 case GPIO_HPD_1: 295 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK; 296 break; 297 case GPIO_HPD_2: 298 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK; 299 break; 300 case GPIO_HPD_3: 301 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK; 302 break; 303 case GPIO_HPD_4: 304 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK; 305 break; 306 case GPIO_HPD_5: 307 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK; 308 break; 309 case GPIO_HPD_6: 310 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK; 311 break; 312 default: 313 ASSERT_CRITICAL(false); 314 result = false; 315 } 316 break; 317 case GPIO_ID_GSL: 318 switch (en) { 319 case GPIO_GSL_GENLOCK_CLOCK: 320 /*not implmented*/ 321 ASSERT_CRITICAL(false); 322 result = false; 323 break; 324 case GPIO_GSL_GENLOCK_VSYNC: 325 /*not implmented*/ 326 ASSERT_CRITICAL(false); 327 result = false; 328 break; 329 case GPIO_GSL_SWAPLOCK_A: 330 /*not implmented*/ 331 ASSERT_CRITICAL(false); 332 result = false; 333 break; 334 case GPIO_GSL_SWAPLOCK_B: 335 /*not implmented*/ 336 ASSERT_CRITICAL(false); 337 result = false; 338 339 break; 340 default: 341 ASSERT_CRITICAL(false); 342 result = false; 343 } 344 break; 345 case GPIO_ID_SYNC: 346 case GPIO_ID_VIP_PAD: 347 default: 348 ASSERT_CRITICAL(false); 349 result = false; 350 } 351 352 if (result) { 353 info->offset_y = info->offset + 2; 354 info->offset_en = info->offset + 1; 355 info->offset_mask = info->offset - 1; 356 357 info->mask_y = info->mask; 358 info->mask_en = info->mask; 359 info->mask_mask = info->mask; 360 } 361 362 return result; 363} 364 365/* function table */ 366static const struct hw_translate_funcs funcs = { 367 .offset_to_id = offset_to_id, 368 .id_to_offset = id_to_offset, 369}; 370 371/* 372 * dal_hw_translate_dcn10_init 373 * 374 * @brief 375 * Initialize Hw translate function pointers. 376 * 377 * @param 378 * struct hw_translate *tr - [out] struct of function pointers 379 * 380 */ 381void dal_hw_translate_dcn20_init(struct hw_translate *tr) 382{ 383 tr->funcs = &funcs; 384} 385 386