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 "dm_services.h" 27 28 #include "include/logger_interface.h" 29 30 #include "../dce110/irq_service_dce110.h" 31 32 #include "dcn/dcn_2_0_3_offset.h" 33 #include "dcn/dcn_2_0_3_sh_mask.h" 34 35 #include "cyan_skillfish_ip_offset.h" 36 #include "soc15_hw_ip.h" 37 38 #include "irq_service_dcn201.h" 39 40 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" 41 42 static enum dc_irq_source to_dal_irq_source_dcn201(struct irq_service *irq_service, 43 uint32_t src_id, 44 uint32_t ext_id) 45 { 46 switch (src_id) { 47 case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP: 48 return DC_IRQ_SOURCE_VBLANK1; 49 case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP: 50 return DC_IRQ_SOURCE_VBLANK2; 51 case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL: 52 return DC_IRQ_SOURCE_DC1_VLINE0; 53 case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL: 54 return DC_IRQ_SOURCE_DC2_VLINE0; 55 case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT: 56 return DC_IRQ_SOURCE_PFLIP1; 57 case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT: 58 return DC_IRQ_SOURCE_PFLIP2; 59 case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 60 return DC_IRQ_SOURCE_VUPDATE1; 61 case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT: 62 return DC_IRQ_SOURCE_VUPDATE2; 63 case DCN_1_0__SRCID__DC_HPD1_INT: 64 /* generic src_id for all HPD and HPDRX interrupts */ 65 switch (ext_id) { 66 case DCN_1_0__CTXID__DC_HPD1_INT: 67 return DC_IRQ_SOURCE_HPD1; 68 case DCN_1_0__CTXID__DC_HPD2_INT: 69 return DC_IRQ_SOURCE_HPD2; 70 case DCN_1_0__CTXID__DC_HPD1_RX_INT: 71 return DC_IRQ_SOURCE_HPD1RX; 72 case DCN_1_0__CTXID__DC_HPD2_RX_INT: 73 return DC_IRQ_SOURCE_HPD2RX; 74 default: 75 return DC_IRQ_SOURCE_INVALID; 76 } 77 break; 78 79 default: 80 return DC_IRQ_SOURCE_INVALID; 81 } 82 return DC_IRQ_SOURCE_INVALID; 83 } 84 85 static bool hpd_ack( 86 struct irq_service *irq_service, 87 const struct irq_source_info *info) 88 { 89 uint32_t addr = info->status_reg; 90 uint32_t value = dm_read_reg(irq_service->ctx, addr); 91 uint32_t current_status = 92 get_reg_field_value( 93 value, 94 HPD0_DC_HPD_INT_STATUS, 95 DC_HPD_SENSE_DELAYED); 96 97 dal_irq_service_ack_generic(irq_service, info); 98 99 value = dm_read_reg(irq_service->ctx, info->enable_reg); 100 101 set_reg_field_value( 102 value, 103 current_status ? 0 : 1, 104 HPD0_DC_HPD_INT_CONTROL, 105 DC_HPD_INT_POLARITY); 106 107 dm_write_reg(irq_service->ctx, info->enable_reg, value); 108 109 return true; 110 } 111 112 static const struct irq_source_info_funcs hpd_irq_info_funcs = { 113 .set = NULL, 114 .ack = hpd_ack 115 }; 116 117 static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 118 .set = NULL, 119 .ack = NULL 120 }; 121 122 static const struct irq_source_info_funcs pflip_irq_info_funcs = { 123 .set = NULL, 124 .ack = NULL 125 }; 126 127 static const struct irq_source_info_funcs vblank_irq_info_funcs = { 128 .set = NULL, 129 .ack = NULL 130 }; 131 132 static const struct irq_source_info_funcs vline0_irq_info_funcs = { 133 .set = NULL, 134 .ack = NULL 135 }; 136 static const struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = { 137 .set = NULL, 138 .ack = NULL 139 }; 140 141 static const struct irq_source_info_funcs dmub_outbox_irq_info_funcs = { 142 .set = NULL, 143 .ack = NULL 144 }; 145 146 #undef BASE_INNER 147 #define BASE_INNER(seg) DMU_BASE__INST0_SEG ## seg 148 149 #define BASE(seg) BASE_INNER(seg) 150 151 /* compile time expand base address. */ 152 #define BASE(seg) \ 153 BASE_INNER(seg) 154 155 #define SRI(reg_name, block, id)\ 156 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ 157 mm ## block ## id ## _ ## reg_name 158 159 #define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\ 160 .enable_reg = SRI(reg1, block, reg_num),\ 161 .enable_mask = \ 162 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 163 .enable_value = {\ 164 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 165 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \ 166 },\ 167 .ack_reg = SRI(reg2, block, reg_num),\ 168 .ack_mask = \ 169 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\ 170 .ack_value = \ 171 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \ 172 173 #define hpd_int_entry(reg_num)\ 174 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ 175 IRQ_REG_ENTRY(HPD, reg_num,\ 176 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\ 177 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\ 178 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 179 .funcs = &hpd_irq_info_funcs\ 180 } 181 182 #define hpd_rx_int_entry(reg_num)\ 183 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ 184 IRQ_REG_ENTRY(HPD, reg_num,\ 185 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\ 186 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\ 187 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 188 .funcs = &hpd_rx_irq_info_funcs\ 189 } 190 #define pflip_int_entry(reg_num)\ 191 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 192 IRQ_REG_ENTRY(HUBPREQ, reg_num,\ 193 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\ 194 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\ 195 .funcs = &pflip_irq_info_funcs\ 196 } 197 198 #define vupdate_int_entry(reg_num)\ 199 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 200 IRQ_REG_ENTRY(OTG, reg_num,\ 201 OTG_GLOBAL_SYNC_STATUS, VUPDATE_INT_EN,\ 202 OTG_GLOBAL_SYNC_STATUS, VUPDATE_EVENT_CLEAR),\ 203 .funcs = &vblank_irq_info_funcs\ 204 } 205 206 /* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic 207 * of DCE's DC_IRQ_SOURCE_VUPDATEx. 208 */ 209 #define vupdate_no_lock_int_entry(reg_num)\ 210 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 211 IRQ_REG_ENTRY(OTG, reg_num,\ 212 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\ 213 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\ 214 .funcs = &vupdate_no_lock_irq_info_funcs\ 215 } 216 #define vblank_int_entry(reg_num)\ 217 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 218 IRQ_REG_ENTRY(OTG, reg_num,\ 219 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\ 220 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\ 221 .funcs = &vblank_irq_info_funcs\ 222 } 223 224 #define vline0_int_entry(reg_num)\ 225 [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\ 226 IRQ_REG_ENTRY(OTG, reg_num,\ 227 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\ 228 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\ 229 .funcs = &vline0_irq_info_funcs\ 230 } 231 232 #define dummy_irq_entry() \ 233 {\ 234 .funcs = &dummy_irq_info_funcs\ 235 } 236 237 #define i2c_int_entry(reg_num) \ 238 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 239 240 #define dp_sink_int_entry(reg_num) \ 241 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 242 243 #define gpio_pad_int_entry(reg_num) \ 244 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 245 246 #define dc_underflow_int_entry(reg_num) \ 247 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 248 249 static const struct irq_source_info_funcs dummy_irq_info_funcs = { 250 .set = dal_irq_service_dummy_set, 251 .ack = dal_irq_service_dummy_ack 252 }; 253 254 static const struct irq_source_info 255 irq_source_info_dcn201[DAL_IRQ_SOURCES_NUMBER] = { 256 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 257 hpd_int_entry(0), 258 hpd_int_entry(1), 259 dummy_irq_entry(), 260 dummy_irq_entry(), 261 dummy_irq_entry(), 262 dummy_irq_entry(), 263 hpd_rx_int_entry(0), 264 hpd_rx_int_entry(1), 265 dummy_irq_entry(), 266 dummy_irq_entry(), 267 dummy_irq_entry(), 268 dummy_irq_entry(), 269 i2c_int_entry(1), 270 i2c_int_entry(2), 271 dummy_irq_entry(), 272 dummy_irq_entry(), 273 dummy_irq_entry(), 274 dummy_irq_entry(), 275 dp_sink_int_entry(1), 276 dp_sink_int_entry(2), 277 dummy_irq_entry(), 278 dummy_irq_entry(), 279 dummy_irq_entry(), 280 dummy_irq_entry(), 281 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 282 pflip_int_entry(0), 283 pflip_int_entry(1), 284 pflip_int_entry(2), 285 pflip_int_entry(3), 286 [DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(), 287 [DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(), 288 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 289 gpio_pad_int_entry(0), 290 gpio_pad_int_entry(1), 291 gpio_pad_int_entry(2), 292 gpio_pad_int_entry(3), 293 gpio_pad_int_entry(4), 294 gpio_pad_int_entry(5), 295 gpio_pad_int_entry(6), 296 gpio_pad_int_entry(7), 297 gpio_pad_int_entry(8), 298 gpio_pad_int_entry(9), 299 gpio_pad_int_entry(10), 300 gpio_pad_int_entry(11), 301 gpio_pad_int_entry(12), 302 gpio_pad_int_entry(13), 303 gpio_pad_int_entry(14), 304 gpio_pad_int_entry(15), 305 gpio_pad_int_entry(16), 306 gpio_pad_int_entry(17), 307 gpio_pad_int_entry(18), 308 gpio_pad_int_entry(19), 309 gpio_pad_int_entry(20), 310 gpio_pad_int_entry(21), 311 gpio_pad_int_entry(22), 312 gpio_pad_int_entry(23), 313 gpio_pad_int_entry(24), 314 gpio_pad_int_entry(25), 315 gpio_pad_int_entry(26), 316 gpio_pad_int_entry(27), 317 gpio_pad_int_entry(28), 318 gpio_pad_int_entry(29), 319 gpio_pad_int_entry(30), 320 dc_underflow_int_entry(1), 321 dc_underflow_int_entry(2), 322 dummy_irq_entry(), 323 dummy_irq_entry(), 324 dummy_irq_entry(), 325 dummy_irq_entry(), 326 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 327 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 328 vupdate_no_lock_int_entry(0), 329 vupdate_no_lock_int_entry(1), 330 dummy_irq_entry(), 331 dummy_irq_entry(), 332 dummy_irq_entry(), 333 dummy_irq_entry(), 334 vblank_int_entry(0), 335 vblank_int_entry(1), 336 dummy_irq_entry(), 337 dummy_irq_entry(), 338 dummy_irq_entry(), 339 dummy_irq_entry(), 340 vline0_int_entry(0), 341 vline0_int_entry(1), 342 dummy_irq_entry(), 343 dummy_irq_entry(), 344 dummy_irq_entry(), 345 dummy_irq_entry(), 346 }; 347 348 static const struct irq_service_funcs irq_service_funcs_dcn201 = { 349 .to_dal_irq_source = to_dal_irq_source_dcn201 350 }; 351 352 static void dcn201_irq_construct( 353 struct irq_service *irq_service, 354 struct irq_service_init_data *init_data) 355 { 356 dal_irq_service_construct(irq_service, init_data); 357 358 irq_service->info = irq_source_info_dcn201; 359 irq_service->funcs = &irq_service_funcs_dcn201; 360 } 361 362 struct irq_service *dal_irq_service_dcn201_create( 363 struct irq_service_init_data *init_data) 364 { 365 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 366 GFP_KERNEL); 367 368 if (!irq_service) 369 return NULL; 370 371 dcn201_irq_construct(irq_service, init_data); 372 return irq_service; 373 } 374