1/* $NetBSD: amdgpu_irq_service_dcn21.c,v 1.2 2021/12/18 23:45:06 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#include <sys/cdefs.h> 29__KERNEL_RCSID(0, "$NetBSD: amdgpu_irq_service_dcn21.c,v 1.2 2021/12/18 23:45:06 riastradh Exp $"); 30 31#include <linux/slab.h> 32 33#include "dm_services.h" 34 35#include "include/logger_interface.h" 36 37#include "../dce110/irq_service_dce110.h" 38 39#include "dcn/dcn_2_1_0_offset.h" 40#include "dcn/dcn_2_1_0_sh_mask.h" 41#include "renoir_ip_offset.h" 42 43 44#include "irq_service_dcn21.h" 45 46#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" 47 48enum dc_irq_source to_dal_irq_source_dcn21( 49 struct irq_service *irq_service, 50 uint32_t src_id, 51 uint32_t ext_id) 52{ 53 switch (src_id) { 54 case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP: 55 return DC_IRQ_SOURCE_VBLANK1; 56 case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP: 57 return DC_IRQ_SOURCE_VBLANK2; 58 case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP: 59 return DC_IRQ_SOURCE_VBLANK3; 60 case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP: 61 return DC_IRQ_SOURCE_VBLANK4; 62 case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP: 63 return DC_IRQ_SOURCE_VBLANK5; 64 case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP: 65 return DC_IRQ_SOURCE_VBLANK6; 66 case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT: 67 return DC_IRQ_SOURCE_PFLIP1; 68 case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT: 69 return DC_IRQ_SOURCE_PFLIP2; 70 case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT: 71 return DC_IRQ_SOURCE_PFLIP3; 72 case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT: 73 return DC_IRQ_SOURCE_PFLIP4; 74 case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT: 75 return DC_IRQ_SOURCE_PFLIP5; 76 case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT: 77 return DC_IRQ_SOURCE_PFLIP6; 78 case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 79 return DC_IRQ_SOURCE_VUPDATE1; 80 case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 81 return DC_IRQ_SOURCE_VUPDATE2; 82 case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 83 return DC_IRQ_SOURCE_VUPDATE3; 84 case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 85 return DC_IRQ_SOURCE_VUPDATE4; 86 case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 87 return DC_IRQ_SOURCE_VUPDATE5; 88 case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 89 return DC_IRQ_SOURCE_VUPDATE6; 90 91 case DCN_1_0__SRCID__DC_HPD1_INT: 92 /* generic src_id for all HPD and HPDRX interrupts */ 93 switch (ext_id) { 94 case DCN_1_0__CTXID__DC_HPD1_INT: 95 return DC_IRQ_SOURCE_HPD1; 96 case DCN_1_0__CTXID__DC_HPD2_INT: 97 return DC_IRQ_SOURCE_HPD2; 98 case DCN_1_0__CTXID__DC_HPD3_INT: 99 return DC_IRQ_SOURCE_HPD3; 100 case DCN_1_0__CTXID__DC_HPD4_INT: 101 return DC_IRQ_SOURCE_HPD4; 102 case DCN_1_0__CTXID__DC_HPD5_INT: 103 return DC_IRQ_SOURCE_HPD5; 104 case DCN_1_0__CTXID__DC_HPD6_INT: 105 return DC_IRQ_SOURCE_HPD6; 106 case DCN_1_0__CTXID__DC_HPD1_RX_INT: 107 return DC_IRQ_SOURCE_HPD1RX; 108 case DCN_1_0__CTXID__DC_HPD2_RX_INT: 109 return DC_IRQ_SOURCE_HPD2RX; 110 case DCN_1_0__CTXID__DC_HPD3_RX_INT: 111 return DC_IRQ_SOURCE_HPD3RX; 112 case DCN_1_0__CTXID__DC_HPD4_RX_INT: 113 return DC_IRQ_SOURCE_HPD4RX; 114 case DCN_1_0__CTXID__DC_HPD5_RX_INT: 115 return DC_IRQ_SOURCE_HPD5RX; 116 case DCN_1_0__CTXID__DC_HPD6_RX_INT: 117 return DC_IRQ_SOURCE_HPD6RX; 118 default: 119 return DC_IRQ_SOURCE_INVALID; 120 } 121 break; 122 123 default: 124 break; 125 } 126 return DC_IRQ_SOURCE_INVALID; 127} 128 129static bool hpd_ack( 130 struct irq_service *irq_service, 131 const struct irq_source_info *info) 132{ 133 uint32_t addr = info->status_reg; 134 uint32_t value = dm_read_reg(irq_service->ctx, addr); 135 uint32_t current_status = 136 get_reg_field_value( 137 value, 138 HPD0_DC_HPD_INT_STATUS, 139 DC_HPD_SENSE_DELAYED); 140 141 dal_irq_service_ack_generic(irq_service, info); 142 143 value = dm_read_reg(irq_service->ctx, info->enable_reg); 144 145 set_reg_field_value( 146 value, 147 current_status ? 0 : 1, 148 HPD0_DC_HPD_INT_CONTROL, 149 DC_HPD_INT_POLARITY); 150 151 dm_write_reg(irq_service->ctx, info->enable_reg, value); 152 153 return true; 154} 155 156static const struct irq_source_info_funcs hpd_irq_info_funcs = { 157 .set = NULL, 158 .ack = hpd_ack 159}; 160 161static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 162 .set = NULL, 163 .ack = NULL 164}; 165 166static const struct irq_source_info_funcs pflip_irq_info_funcs = { 167 .set = NULL, 168 .ack = NULL 169}; 170 171static const struct irq_source_info_funcs vblank_irq_info_funcs = { 172 .set = NULL, 173 .ack = NULL 174}; 175 176#undef BASE_INNER 177#define BASE_INNER(seg) DMU_BASE__INST0_SEG ## seg 178 179/* compile time expand base address. */ 180#define BASE(seg) \ 181 BASE_INNER(seg) 182 183 184#define SRI(reg_name, block, id)\ 185 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ 186 mm ## block ## id ## _ ## reg_name 187 188 189#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\ 190 .enable_reg = SRI(reg1, block, reg_num),\ 191 .enable_mask = \ 192 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 193 .enable_value = {\ 194 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 195 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \ 196 },\ 197 .ack_reg = SRI(reg2, block, reg_num),\ 198 .ack_mask = \ 199 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\ 200 .ack_value = \ 201 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \ 202 203 204 205#define hpd_int_entry(reg_num)\ 206 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ 207 IRQ_REG_ENTRY(HPD, reg_num,\ 208 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\ 209 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\ 210 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 211 .funcs = &hpd_irq_info_funcs\ 212 } 213 214#define hpd_rx_int_entry(reg_num)\ 215 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ 216 IRQ_REG_ENTRY(HPD, reg_num,\ 217 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\ 218 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\ 219 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 220 .funcs = &hpd_rx_irq_info_funcs\ 221 } 222#define pflip_int_entry(reg_num)\ 223 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 224 IRQ_REG_ENTRY(HUBPREQ, reg_num,\ 225 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\ 226 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\ 227 .funcs = &pflip_irq_info_funcs\ 228 } 229 230#define vupdate_int_entry(reg_num)\ 231 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 232 IRQ_REG_ENTRY(OTG, reg_num,\ 233 OTG_GLOBAL_SYNC_STATUS, VUPDATE_INT_EN,\ 234 OTG_GLOBAL_SYNC_STATUS, VUPDATE_EVENT_CLEAR),\ 235 .funcs = &vblank_irq_info_funcs\ 236 } 237 238#define vblank_int_entry(reg_num)\ 239 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 240 IRQ_REG_ENTRY(OTG, reg_num,\ 241 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\ 242 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\ 243 .funcs = &vblank_irq_info_funcs\ 244 } 245 246#define dummy_irq_entry() \ 247 {\ 248 .funcs = &dummy_irq_info_funcs\ 249 } 250 251#define i2c_int_entry(reg_num) \ 252 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 253 254#define dp_sink_int_entry(reg_num) \ 255 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 256 257#define gpio_pad_int_entry(reg_num) \ 258 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 259 260#define dc_underflow_int_entry(reg_num) \ 261 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 262 263static const struct irq_source_info_funcs dummy_irq_info_funcs = { 264 .set = dal_irq_service_dummy_set, 265 .ack = dal_irq_service_dummy_ack 266}; 267 268static const struct irq_source_info 269irq_source_info_dcn21[DAL_IRQ_SOURCES_NUMBER] = { 270 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 271 hpd_int_entry(0), 272 hpd_int_entry(1), 273 hpd_int_entry(2), 274 hpd_int_entry(3), 275 hpd_int_entry(4), 276 hpd_rx_int_entry(0), 277 hpd_rx_int_entry(1), 278 hpd_rx_int_entry(2), 279 hpd_rx_int_entry(3), 280 hpd_rx_int_entry(4), 281 i2c_int_entry(1), 282 i2c_int_entry(2), 283 i2c_int_entry(3), 284 i2c_int_entry(4), 285 i2c_int_entry(5), 286 i2c_int_entry(6), 287 dp_sink_int_entry(1), 288 dp_sink_int_entry(2), 289 dp_sink_int_entry(3), 290 dp_sink_int_entry(4), 291 dp_sink_int_entry(5), 292 dp_sink_int_entry(6), 293 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 294 pflip_int_entry(0), 295 pflip_int_entry(1), 296 pflip_int_entry(2), 297 pflip_int_entry(3), 298 [DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(), 299 [DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(), 300 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 301 gpio_pad_int_entry(0), 302 gpio_pad_int_entry(1), 303 gpio_pad_int_entry(2), 304 gpio_pad_int_entry(3), 305 gpio_pad_int_entry(4), 306 gpio_pad_int_entry(5), 307 gpio_pad_int_entry(6), 308 gpio_pad_int_entry(7), 309 gpio_pad_int_entry(8), 310 gpio_pad_int_entry(9), 311 gpio_pad_int_entry(10), 312 gpio_pad_int_entry(11), 313 gpio_pad_int_entry(12), 314 gpio_pad_int_entry(13), 315 gpio_pad_int_entry(14), 316 gpio_pad_int_entry(15), 317 gpio_pad_int_entry(16), 318 gpio_pad_int_entry(17), 319 gpio_pad_int_entry(18), 320 gpio_pad_int_entry(19), 321 gpio_pad_int_entry(20), 322 gpio_pad_int_entry(21), 323 gpio_pad_int_entry(22), 324 gpio_pad_int_entry(23), 325 gpio_pad_int_entry(24), 326 gpio_pad_int_entry(25), 327 gpio_pad_int_entry(26), 328 gpio_pad_int_entry(27), 329 gpio_pad_int_entry(28), 330 gpio_pad_int_entry(29), 331 gpio_pad_int_entry(30), 332 dc_underflow_int_entry(1), 333 dc_underflow_int_entry(2), 334 dc_underflow_int_entry(3), 335 dc_underflow_int_entry(4), 336 dc_underflow_int_entry(5), 337 dc_underflow_int_entry(6), 338 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 339 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 340 vupdate_int_entry(0), 341 vupdate_int_entry(1), 342 vupdate_int_entry(2), 343 vupdate_int_entry(3), 344 vupdate_int_entry(4), 345 vupdate_int_entry(5), 346 vblank_int_entry(0), 347 vblank_int_entry(1), 348 vblank_int_entry(2), 349 vblank_int_entry(3), 350 vblank_int_entry(4), 351 vblank_int_entry(5), 352}; 353 354static const struct irq_service_funcs irq_service_funcs_dcn21 = { 355 .to_dal_irq_source = to_dal_irq_source_dcn21 356}; 357 358static void dcn21_irq_construct( 359 struct irq_service *irq_service, 360 struct irq_service_init_data *init_data) 361{ 362 dal_irq_service_construct(irq_service, init_data); 363 364 irq_service->info = irq_source_info_dcn21; 365 irq_service->funcs = &irq_service_funcs_dcn21; 366} 367 368struct irq_service *dal_irq_service_dcn21_create( 369 struct irq_service_init_data *init_data) 370{ 371 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 372 GFP_KERNEL); 373 374 if (!irq_service) 375 return NULL; 376 377 dcn21_irq_construct(irq_service, init_data); 378 return irq_service; 379} 380