1 /* 2 * Copyright 2018 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 #include <linux/slab.h> 27 28 #include "dm_services.h" 29 30 #include "include/logger_interface.h" 31 32 #include "../dce110/irq_service_dce110.h" 33 34 #include "dcn/dcn_2_1_0_offset.h" 35 #include "dcn/dcn_2_1_0_sh_mask.h" 36 #include "renoir_ip_offset.h" 37 38 39 #include "irq_service_dcn21.h" 40 41 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" 42 43 static enum dc_irq_source to_dal_irq_source_dcn21(struct irq_service *irq_service, 44 uint32_t src_id, 45 uint32_t ext_id) 46 { 47 switch (src_id) { 48 case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP: 49 return DC_IRQ_SOURCE_VBLANK1; 50 case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP: 51 return DC_IRQ_SOURCE_VBLANK2; 52 case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP: 53 return DC_IRQ_SOURCE_VBLANK3; 54 case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP: 55 return DC_IRQ_SOURCE_VBLANK4; 56 case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP: 57 return DC_IRQ_SOURCE_VBLANK5; 58 case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP: 59 return DC_IRQ_SOURCE_VBLANK6; 60 case DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT: 61 return DC_IRQ_SOURCE_DMCUB_OUTBOX; 62 case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL: 63 return DC_IRQ_SOURCE_DC1_VLINE0; 64 case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL: 65 return DC_IRQ_SOURCE_DC2_VLINE0; 66 case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL: 67 return DC_IRQ_SOURCE_DC3_VLINE0; 68 case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL: 69 return DC_IRQ_SOURCE_DC4_VLINE0; 70 case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL: 71 return DC_IRQ_SOURCE_DC5_VLINE0; 72 case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL: 73 return DC_IRQ_SOURCE_DC6_VLINE0; 74 case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT: 75 return DC_IRQ_SOURCE_PFLIP1; 76 case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT: 77 return DC_IRQ_SOURCE_PFLIP2; 78 case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT: 79 return DC_IRQ_SOURCE_PFLIP3; 80 case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT: 81 return DC_IRQ_SOURCE_PFLIP4; 82 case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT: 83 return DC_IRQ_SOURCE_PFLIP5; 84 case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT: 85 return DC_IRQ_SOURCE_PFLIP6; 86 case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 87 return DC_IRQ_SOURCE_VUPDATE1; 88 case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 89 return DC_IRQ_SOURCE_VUPDATE2; 90 case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 91 return DC_IRQ_SOURCE_VUPDATE3; 92 case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 93 return DC_IRQ_SOURCE_VUPDATE4; 94 case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 95 return DC_IRQ_SOURCE_VUPDATE5; 96 case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 97 return DC_IRQ_SOURCE_VUPDATE6; 98 99 case DCN_1_0__SRCID__DC_HPD1_INT: 100 /* generic src_id for all HPD and HPDRX interrupts */ 101 switch (ext_id) { 102 case DCN_1_0__CTXID__DC_HPD1_INT: 103 return DC_IRQ_SOURCE_HPD1; 104 case DCN_1_0__CTXID__DC_HPD2_INT: 105 return DC_IRQ_SOURCE_HPD2; 106 case DCN_1_0__CTXID__DC_HPD3_INT: 107 return DC_IRQ_SOURCE_HPD3; 108 case DCN_1_0__CTXID__DC_HPD4_INT: 109 return DC_IRQ_SOURCE_HPD4; 110 case DCN_1_0__CTXID__DC_HPD5_INT: 111 return DC_IRQ_SOURCE_HPD5; 112 case DCN_1_0__CTXID__DC_HPD6_INT: 113 return DC_IRQ_SOURCE_HPD6; 114 case DCN_1_0__CTXID__DC_HPD1_RX_INT: 115 return DC_IRQ_SOURCE_HPD1RX; 116 case DCN_1_0__CTXID__DC_HPD2_RX_INT: 117 return DC_IRQ_SOURCE_HPD2RX; 118 case DCN_1_0__CTXID__DC_HPD3_RX_INT: 119 return DC_IRQ_SOURCE_HPD3RX; 120 case DCN_1_0__CTXID__DC_HPD4_RX_INT: 121 return DC_IRQ_SOURCE_HPD4RX; 122 case DCN_1_0__CTXID__DC_HPD5_RX_INT: 123 return DC_IRQ_SOURCE_HPD5RX; 124 case DCN_1_0__CTXID__DC_HPD6_RX_INT: 125 return DC_IRQ_SOURCE_HPD6RX; 126 default: 127 return DC_IRQ_SOURCE_INVALID; 128 } 129 break; 130 131 default: 132 break; 133 } 134 return DC_IRQ_SOURCE_INVALID; 135 } 136 137 static bool hpd_ack( 138 struct irq_service *irq_service, 139 const struct irq_source_info *info) 140 { 141 uint32_t addr = info->status_reg; 142 uint32_t value = dm_read_reg(irq_service->ctx, addr); 143 uint32_t current_status = 144 get_reg_field_value( 145 value, 146 HPD0_DC_HPD_INT_STATUS, 147 DC_HPD_SENSE_DELAYED); 148 149 dal_irq_service_ack_generic(irq_service, info); 150 151 value = dm_read_reg(irq_service->ctx, info->enable_reg); 152 153 set_reg_field_value( 154 value, 155 current_status ? 0 : 1, 156 HPD0_DC_HPD_INT_CONTROL, 157 DC_HPD_INT_POLARITY); 158 159 dm_write_reg(irq_service->ctx, info->enable_reg, value); 160 161 return true; 162 } 163 164 static const struct irq_source_info_funcs hpd_irq_info_funcs = { 165 .set = NULL, 166 .ack = hpd_ack 167 }; 168 169 static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 170 .set = NULL, 171 .ack = NULL 172 }; 173 174 static const struct irq_source_info_funcs pflip_irq_info_funcs = { 175 .set = NULL, 176 .ack = NULL 177 }; 178 179 static const struct irq_source_info_funcs vblank_irq_info_funcs = { 180 .set = NULL, 181 .ack = NULL 182 }; 183 184 static const struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = { 185 .set = NULL, 186 .ack = NULL 187 }; 188 189 static const struct irq_source_info_funcs dmub_outbox_irq_info_funcs = { 190 .set = NULL, 191 .ack = NULL 192 }; 193 194 static const struct irq_source_info_funcs vline0_irq_info_funcs = { 195 .set = NULL, 196 .ack = NULL 197 }; 198 199 #undef BASE_INNER 200 #define BASE_INNER(seg) DMU_BASE__INST0_SEG ## seg 201 202 /* compile time expand base address. */ 203 #define BASE(seg) \ 204 BASE_INNER(seg) 205 206 207 #define SRI(reg_name, block, id)\ 208 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ 209 mm ## block ## id ## _ ## reg_name 210 211 #define SRI_DMUB(reg_name)\ 212 BASE(mm ## reg_name ## _BASE_IDX) + \ 213 mm ## reg_name 214 215 #define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\ 216 .enable_reg = SRI(reg1, block, reg_num),\ 217 .enable_mask = \ 218 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 219 .enable_value = {\ 220 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 221 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \ 222 },\ 223 .ack_reg = SRI(reg2, block, reg_num),\ 224 .ack_mask = \ 225 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\ 226 .ack_value = \ 227 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \ 228 229 #define IRQ_REG_ENTRY_DMUB(reg1, mask1, reg2, mask2)\ 230 .enable_reg = SRI_DMUB(reg1),\ 231 .enable_mask = \ 232 reg1 ## __ ## mask1 ## _MASK,\ 233 .enable_value = {\ 234 reg1 ## __ ## mask1 ## _MASK,\ 235 ~reg1 ## __ ## mask1 ## _MASK \ 236 },\ 237 .ack_reg = SRI_DMUB(reg2),\ 238 .ack_mask = \ 239 reg2 ## __ ## mask2 ## _MASK,\ 240 .ack_value = \ 241 reg2 ## __ ## mask2 ## _MASK \ 242 243 #define hpd_int_entry(reg_num)\ 244 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ 245 IRQ_REG_ENTRY(HPD, reg_num,\ 246 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\ 247 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\ 248 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 249 .funcs = &hpd_irq_info_funcs\ 250 } 251 252 #define hpd_rx_int_entry(reg_num)\ 253 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ 254 IRQ_REG_ENTRY(HPD, reg_num,\ 255 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\ 256 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\ 257 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 258 .funcs = &hpd_rx_irq_info_funcs\ 259 } 260 #define pflip_int_entry(reg_num)\ 261 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 262 IRQ_REG_ENTRY(HUBPREQ, reg_num,\ 263 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\ 264 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\ 265 .funcs = &pflip_irq_info_funcs\ 266 } 267 268 /* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic 269 * of DCE's DC_IRQ_SOURCE_VUPDATEx. 270 */ 271 #define vupdate_no_lock_int_entry(reg_num)\ 272 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 273 IRQ_REG_ENTRY(OTG, reg_num,\ 274 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\ 275 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\ 276 .funcs = &vupdate_no_lock_irq_info_funcs\ 277 } 278 279 #define vblank_int_entry(reg_num)\ 280 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 281 IRQ_REG_ENTRY(OTG, reg_num,\ 282 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\ 283 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\ 284 .funcs = &vblank_irq_info_funcs\ 285 } 286 287 #define vline0_int_entry(reg_num)\ 288 [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\ 289 IRQ_REG_ENTRY(OTG, reg_num,\ 290 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\ 291 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\ 292 .funcs = &vline0_irq_info_funcs\ 293 } 294 295 #define dmub_outbox_int_entry()\ 296 [DC_IRQ_SOURCE_DMCUB_OUTBOX] = {\ 297 IRQ_REG_ENTRY_DMUB(DMCUB_INTERRUPT_ENABLE, DMCUB_OUTBOX1_READY_INT_EN,\ 298 DMCUB_INTERRUPT_ACK, DMCUB_OUTBOX1_READY_INT_ACK),\ 299 .funcs = &dmub_outbox_irq_info_funcs\ 300 } 301 302 #define dummy_irq_entry() \ 303 {\ 304 .funcs = &dummy_irq_info_funcs\ 305 } 306 307 #define i2c_int_entry(reg_num) \ 308 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 309 310 #define dp_sink_int_entry(reg_num) \ 311 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 312 313 #define gpio_pad_int_entry(reg_num) \ 314 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 315 316 #define dc_underflow_int_entry(reg_num) \ 317 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 318 319 static const struct irq_source_info_funcs dummy_irq_info_funcs = { 320 .set = dal_irq_service_dummy_set, 321 .ack = dal_irq_service_dummy_ack 322 }; 323 324 static const struct irq_source_info 325 irq_source_info_dcn21[DAL_IRQ_SOURCES_NUMBER] = { 326 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 327 hpd_int_entry(0), 328 hpd_int_entry(1), 329 hpd_int_entry(2), 330 hpd_int_entry(3), 331 hpd_int_entry(4), 332 hpd_rx_int_entry(0), 333 hpd_rx_int_entry(1), 334 hpd_rx_int_entry(2), 335 hpd_rx_int_entry(3), 336 hpd_rx_int_entry(4), 337 i2c_int_entry(1), 338 i2c_int_entry(2), 339 i2c_int_entry(3), 340 i2c_int_entry(4), 341 i2c_int_entry(5), 342 i2c_int_entry(6), 343 dp_sink_int_entry(1), 344 dp_sink_int_entry(2), 345 dp_sink_int_entry(3), 346 dp_sink_int_entry(4), 347 dp_sink_int_entry(5), 348 dp_sink_int_entry(6), 349 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 350 pflip_int_entry(0), 351 pflip_int_entry(1), 352 pflip_int_entry(2), 353 pflip_int_entry(3), 354 [DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(), 355 [DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(), 356 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 357 gpio_pad_int_entry(0), 358 gpio_pad_int_entry(1), 359 gpio_pad_int_entry(2), 360 gpio_pad_int_entry(3), 361 gpio_pad_int_entry(4), 362 gpio_pad_int_entry(5), 363 gpio_pad_int_entry(6), 364 gpio_pad_int_entry(7), 365 gpio_pad_int_entry(8), 366 gpio_pad_int_entry(9), 367 gpio_pad_int_entry(10), 368 gpio_pad_int_entry(11), 369 gpio_pad_int_entry(12), 370 gpio_pad_int_entry(13), 371 gpio_pad_int_entry(14), 372 gpio_pad_int_entry(15), 373 gpio_pad_int_entry(16), 374 gpio_pad_int_entry(17), 375 gpio_pad_int_entry(18), 376 gpio_pad_int_entry(19), 377 gpio_pad_int_entry(20), 378 gpio_pad_int_entry(21), 379 gpio_pad_int_entry(22), 380 gpio_pad_int_entry(23), 381 gpio_pad_int_entry(24), 382 gpio_pad_int_entry(25), 383 gpio_pad_int_entry(26), 384 gpio_pad_int_entry(27), 385 gpio_pad_int_entry(28), 386 gpio_pad_int_entry(29), 387 gpio_pad_int_entry(30), 388 dc_underflow_int_entry(1), 389 dc_underflow_int_entry(2), 390 dc_underflow_int_entry(3), 391 dc_underflow_int_entry(4), 392 dc_underflow_int_entry(5), 393 dc_underflow_int_entry(6), 394 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 395 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 396 vupdate_no_lock_int_entry(0), 397 vupdate_no_lock_int_entry(1), 398 vupdate_no_lock_int_entry(2), 399 vupdate_no_lock_int_entry(3), 400 vupdate_no_lock_int_entry(4), 401 vupdate_no_lock_int_entry(5), 402 vblank_int_entry(0), 403 vblank_int_entry(1), 404 vblank_int_entry(2), 405 vblank_int_entry(3), 406 vblank_int_entry(4), 407 vblank_int_entry(5), 408 vline0_int_entry(0), 409 vline0_int_entry(1), 410 vline0_int_entry(2), 411 vline0_int_entry(3), 412 vline0_int_entry(4), 413 vline0_int_entry(5), 414 dmub_outbox_int_entry(), 415 }; 416 417 static const struct irq_service_funcs irq_service_funcs_dcn21 = { 418 .to_dal_irq_source = to_dal_irq_source_dcn21 419 }; 420 421 static void dcn21_irq_construct( 422 struct irq_service *irq_service, 423 struct irq_service_init_data *init_data) 424 { 425 dal_irq_service_construct(irq_service, init_data); 426 427 irq_service->info = irq_source_info_dcn21; 428 irq_service->funcs = &irq_service_funcs_dcn21; 429 } 430 431 struct irq_service *dal_irq_service_dcn21_create( 432 struct irq_service_init_data *init_data) 433 { 434 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 435 GFP_KERNEL); 436 437 if (!irq_service) 438 return NULL; 439 440 dcn21_irq_construct(irq_service, init_data); 441 return irq_service; 442 } 443