1/* 2 * Copyright 2022 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 "dm_services.h" 27#include "include/logger_interface.h" 28#include "../dce110/irq_service_dce110.h" 29 30#include "dcn/dcn_3_2_0_offset.h" 31#include "dcn/dcn_3_2_0_sh_mask.h" 32 33#include "irq_service_dcn32.h" 34 35#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" 36 37#define DCN_BASE__INST0_SEG2 0x000034C0 38 39static enum dc_irq_source to_dal_irq_source_dcn32( 40 struct irq_service *irq_service, 41 uint32_t src_id, 42 uint32_t ext_id) 43{ 44 switch (src_id) { 45 case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP: 46 return DC_IRQ_SOURCE_VBLANK1; 47 case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP: 48 return DC_IRQ_SOURCE_VBLANK2; 49 case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP: 50 return DC_IRQ_SOURCE_VBLANK3; 51 case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP: 52 return DC_IRQ_SOURCE_VBLANK4; 53 case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP: 54 return DC_IRQ_SOURCE_VBLANK5; 55 case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP: 56 return DC_IRQ_SOURCE_VBLANK6; 57 case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL: 58 return DC_IRQ_SOURCE_DC1_VLINE0; 59 case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL: 60 return DC_IRQ_SOURCE_DC2_VLINE0; 61 case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL: 62 return DC_IRQ_SOURCE_DC3_VLINE0; 63 case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL: 64 return DC_IRQ_SOURCE_DC4_VLINE0; 65 case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL: 66 return DC_IRQ_SOURCE_DC5_VLINE0; 67 case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL: 68 return DC_IRQ_SOURCE_DC6_VLINE0; 69 case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT: 70 return DC_IRQ_SOURCE_PFLIP1; 71 case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT: 72 return DC_IRQ_SOURCE_PFLIP2; 73 case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT: 74 return DC_IRQ_SOURCE_PFLIP3; 75 case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT: 76 return DC_IRQ_SOURCE_PFLIP4; 77 case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT: 78 return DC_IRQ_SOURCE_PFLIP5; 79 case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT: 80 return DC_IRQ_SOURCE_PFLIP6; 81 case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 82 return DC_IRQ_SOURCE_VUPDATE1; 83 case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 84 return DC_IRQ_SOURCE_VUPDATE2; 85 case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 86 return DC_IRQ_SOURCE_VUPDATE3; 87 case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 88 return DC_IRQ_SOURCE_VUPDATE4; 89 case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 90 return DC_IRQ_SOURCE_VUPDATE5; 91 case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 92 return DC_IRQ_SOURCE_VUPDATE6; 93 case DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT: 94 return DC_IRQ_SOURCE_DMCUB_OUTBOX; 95 case DCN_1_0__SRCID__DC_HPD1_INT: 96 /* generic src_id for all HPD and HPDRX interrupts */ 97 switch (ext_id) { 98 case DCN_1_0__CTXID__DC_HPD1_INT: 99 return DC_IRQ_SOURCE_HPD1; 100 case DCN_1_0__CTXID__DC_HPD2_INT: 101 return DC_IRQ_SOURCE_HPD2; 102 case DCN_1_0__CTXID__DC_HPD3_INT: 103 return DC_IRQ_SOURCE_HPD3; 104 case DCN_1_0__CTXID__DC_HPD4_INT: 105 return DC_IRQ_SOURCE_HPD4; 106 case DCN_1_0__CTXID__DC_HPD5_INT: 107 return DC_IRQ_SOURCE_HPD5; 108 case DCN_1_0__CTXID__DC_HPD6_INT: 109 return DC_IRQ_SOURCE_HPD6; 110 case DCN_1_0__CTXID__DC_HPD1_RX_INT: 111 return DC_IRQ_SOURCE_HPD1RX; 112 case DCN_1_0__CTXID__DC_HPD2_RX_INT: 113 return DC_IRQ_SOURCE_HPD2RX; 114 case DCN_1_0__CTXID__DC_HPD3_RX_INT: 115 return DC_IRQ_SOURCE_HPD3RX; 116 case DCN_1_0__CTXID__DC_HPD4_RX_INT: 117 return DC_IRQ_SOURCE_HPD4RX; 118 case DCN_1_0__CTXID__DC_HPD5_RX_INT: 119 return DC_IRQ_SOURCE_HPD5RX; 120 case DCN_1_0__CTXID__DC_HPD6_RX_INT: 121 return DC_IRQ_SOURCE_HPD6RX; 122 default: 123 return DC_IRQ_SOURCE_INVALID; 124 } 125 break; 126 127 default: 128 return DC_IRQ_SOURCE_INVALID; 129 } 130} 131 132static bool hpd_ack( 133 struct irq_service *irq_service, 134 const struct irq_source_info *info) 135{ 136 uint32_t addr = info->status_reg; 137 uint32_t value = dm_read_reg(irq_service->ctx, addr); 138 uint32_t current_status = 139 get_reg_field_value( 140 value, 141 HPD0_DC_HPD_INT_STATUS, 142 DC_HPD_SENSE_DELAYED); 143 144 dal_irq_service_ack_generic(irq_service, info); 145 146 value = dm_read_reg(irq_service->ctx, info->enable_reg); 147 148 set_reg_field_value( 149 value, 150 current_status ? 0 : 1, 151 HPD0_DC_HPD_INT_CONTROL, 152 DC_HPD_INT_POLARITY); 153 154 dm_write_reg(irq_service->ctx, info->enable_reg, value); 155 156 return true; 157} 158 159static struct irq_source_info_funcs hpd_irq_info_funcs = { 160 .set = NULL, 161 .ack = hpd_ack 162}; 163 164static struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 165 .set = NULL, 166 .ack = NULL 167}; 168 169static struct irq_source_info_funcs pflip_irq_info_funcs = { 170 .set = NULL, 171 .ack = NULL 172}; 173 174static struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = { 175 .set = NULL, 176 .ack = NULL 177}; 178 179static struct irq_source_info_funcs vblank_irq_info_funcs = { 180 .set = NULL, 181 .ack = NULL 182}; 183 184static struct irq_source_info_funcs outbox_irq_info_funcs = { 185 .set = NULL, 186 .ack = NULL 187}; 188 189static struct irq_source_info_funcs vline0_irq_info_funcs = { 190 .set = NULL, 191 .ack = NULL 192}; 193 194#undef BASE_INNER 195#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg 196 197/* compile time expand base address. */ 198#define BASE(seg) \ 199 BASE_INNER(seg) 200 201#define SRI(reg_name, block, id)\ 202 BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ 203 reg ## block ## id ## _ ## reg_name 204 205#define SRI_DMUB(reg_name)\ 206 BASE(reg ## reg_name ## _BASE_IDX) + \ 207 reg ## reg_name 208 209#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\ 210 .enable_reg = SRI(reg1, block, reg_num),\ 211 .enable_mask = \ 212 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 213 .enable_value = {\ 214 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 215 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \ 216 },\ 217 .ack_reg = SRI(reg2, block, reg_num),\ 218 .ack_mask = \ 219 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\ 220 .ack_value = \ 221 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \ 222 223#define IRQ_REG_ENTRY_DMUB(reg1, mask1, reg2, mask2)\ 224 .enable_reg = SRI_DMUB(reg1),\ 225 .enable_mask = \ 226 reg1 ## __ ## mask1 ## _MASK,\ 227 .enable_value = {\ 228 reg1 ## __ ## mask1 ## _MASK,\ 229 ~reg1 ## __ ## mask1 ## _MASK \ 230 },\ 231 .ack_reg = SRI_DMUB(reg2),\ 232 .ack_mask = \ 233 reg2 ## __ ## mask2 ## _MASK,\ 234 .ack_value = \ 235 reg2 ## __ ## mask2 ## _MASK \ 236 237#define hpd_int_entry(reg_num)\ 238 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ 239 IRQ_REG_ENTRY(HPD, reg_num,\ 240 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\ 241 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\ 242 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 243 .funcs = &hpd_irq_info_funcs\ 244 } 245 246#define hpd_rx_int_entry(reg_num)\ 247 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ 248 IRQ_REG_ENTRY(HPD, reg_num,\ 249 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\ 250 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\ 251 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 252 .funcs = &hpd_rx_irq_info_funcs\ 253 } 254#define pflip_int_entry(reg_num)\ 255 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 256 IRQ_REG_ENTRY(HUBPREQ, reg_num,\ 257 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\ 258 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\ 259 .funcs = &pflip_irq_info_funcs\ 260 } 261 262/* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic 263 * of DCE's DC_IRQ_SOURCE_VUPDATEx. 264 */ 265#define vupdate_no_lock_int_entry(reg_num)\ 266 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 267 IRQ_REG_ENTRY(OTG, reg_num,\ 268 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\ 269 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\ 270 .funcs = &vupdate_no_lock_irq_info_funcs\ 271 } 272 273#define vblank_int_entry(reg_num)\ 274 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 275 IRQ_REG_ENTRY(OTG, reg_num,\ 276 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\ 277 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\ 278 .funcs = &vblank_irq_info_funcs\ 279} 280 281#define vline0_int_entry(reg_num)\ 282 [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\ 283 IRQ_REG_ENTRY(OTG, reg_num,\ 284 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\ 285 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\ 286 .funcs = &vline0_irq_info_funcs\ 287 } 288#define dmub_outbox_int_entry()\ 289 [DC_IRQ_SOURCE_DMCUB_OUTBOX] = {\ 290 IRQ_REG_ENTRY_DMUB(\ 291 DMCUB_INTERRUPT_ENABLE, DMCUB_OUTBOX1_READY_INT_EN,\ 292 DMCUB_INTERRUPT_ACK, DMCUB_OUTBOX1_READY_INT_ACK),\ 293 .funcs = &outbox_irq_info_funcs\ 294 } 295 296#define dummy_irq_entry() \ 297 {\ 298 .funcs = &dummy_irq_info_funcs\ 299 } 300 301#define i2c_int_entry(reg_num) \ 302 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 303 304#define dp_sink_int_entry(reg_num) \ 305 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 306 307#define gpio_pad_int_entry(reg_num) \ 308 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 309 310#define dc_underflow_int_entry(reg_num) \ 311 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 312 313static struct irq_source_info_funcs dummy_irq_info_funcs = { 314 .set = dal_irq_service_dummy_set, 315 .ack = dal_irq_service_dummy_ack 316}; 317 318static const struct irq_source_info 319irq_source_info_dcn32[DAL_IRQ_SOURCES_NUMBER] = { 320 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 321 hpd_int_entry(0), 322 hpd_int_entry(1), 323 hpd_int_entry(2), 324 hpd_int_entry(3), 325 hpd_int_entry(4), 326 hpd_rx_int_entry(0), 327 hpd_rx_int_entry(1), 328 hpd_rx_int_entry(2), 329 hpd_rx_int_entry(3), 330 hpd_rx_int_entry(4), 331 i2c_int_entry(1), 332 i2c_int_entry(2), 333 i2c_int_entry(3), 334 i2c_int_entry(4), 335 i2c_int_entry(5), 336 i2c_int_entry(6), 337 dp_sink_int_entry(1), 338 dp_sink_int_entry(2), 339 dp_sink_int_entry(3), 340 dp_sink_int_entry(4), 341 dp_sink_int_entry(5), 342 dp_sink_int_entry(6), 343 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 344 pflip_int_entry(0), 345 pflip_int_entry(1), 346 pflip_int_entry(2), 347 pflip_int_entry(3), 348 [DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(), 349 [DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(), 350 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 351 gpio_pad_int_entry(0), 352 gpio_pad_int_entry(1), 353 gpio_pad_int_entry(2), 354 gpio_pad_int_entry(3), 355 gpio_pad_int_entry(4), 356 gpio_pad_int_entry(5), 357 gpio_pad_int_entry(6), 358 gpio_pad_int_entry(7), 359 gpio_pad_int_entry(8), 360 gpio_pad_int_entry(9), 361 gpio_pad_int_entry(10), 362 gpio_pad_int_entry(11), 363 gpio_pad_int_entry(12), 364 gpio_pad_int_entry(13), 365 gpio_pad_int_entry(14), 366 gpio_pad_int_entry(15), 367 gpio_pad_int_entry(16), 368 gpio_pad_int_entry(17), 369 gpio_pad_int_entry(18), 370 gpio_pad_int_entry(19), 371 gpio_pad_int_entry(20), 372 gpio_pad_int_entry(21), 373 gpio_pad_int_entry(22), 374 gpio_pad_int_entry(23), 375 gpio_pad_int_entry(24), 376 gpio_pad_int_entry(25), 377 gpio_pad_int_entry(26), 378 gpio_pad_int_entry(27), 379 gpio_pad_int_entry(28), 380 gpio_pad_int_entry(29), 381 gpio_pad_int_entry(30), 382 dc_underflow_int_entry(1), 383 dc_underflow_int_entry(2), 384 dc_underflow_int_entry(3), 385 dc_underflow_int_entry(4), 386 dc_underflow_int_entry(5), 387 dc_underflow_int_entry(6), 388 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 389 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 390 vupdate_no_lock_int_entry(0), 391 vupdate_no_lock_int_entry(1), 392 vupdate_no_lock_int_entry(2), 393 vupdate_no_lock_int_entry(3), 394 vblank_int_entry(0), 395 vblank_int_entry(1), 396 vblank_int_entry(2), 397 vblank_int_entry(3), 398 vline0_int_entry(0), 399 vline0_int_entry(1), 400 vline0_int_entry(2), 401 vline0_int_entry(3), 402 [DC_IRQ_SOURCE_DC5_VLINE1] = dummy_irq_entry(), 403 [DC_IRQ_SOURCE_DC6_VLINE1] = dummy_irq_entry(), 404 dmub_outbox_int_entry(), 405}; 406 407static const struct irq_service_funcs irq_service_funcs_dcn32 = { 408 .to_dal_irq_source = to_dal_irq_source_dcn32 409}; 410 411static void dcn32_irq_construct( 412 struct irq_service *irq_service, 413 struct irq_service_init_data *init_data) 414{ 415 dal_irq_service_construct(irq_service, init_data); 416 417 irq_service->info = irq_source_info_dcn32; 418 irq_service->funcs = &irq_service_funcs_dcn32; 419} 420 421struct irq_service *dal_irq_service_dcn32_create( 422 struct irq_service_init_data *init_data) 423{ 424 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 425 GFP_KERNEL); 426 427 if (!irq_service) 428 return NULL; 429 430 dcn32_irq_construct(irq_service, init_data); 431 return irq_service; 432} 433