1 /* 2 * Copyright 2020 Mauro Rossi <issor.oruam@gmail.com> 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 "irq_service_dce60.h" 33 #include "../dce110/irq_service_dce110.h" 34 35 #include "dce/dce_6_0_d.h" 36 #include "dce/dce_6_0_sh_mask.h" 37 38 #include "ivsrcid/ivsrcid_vislands30.h" 39 40 #define VISLANDS30_IV_SRCID_D1_VBLANK 1 41 #define VISLANDS30_IV_SRCID_D2_VBLANK 2 42 #define VISLANDS30_IV_SRCID_D3_VBLANK 3 43 #define VISLANDS30_IV_SRCID_D4_VBLANK 4 44 #define VISLANDS30_IV_SRCID_D5_VBLANK 5 45 #define VISLANDS30_IV_SRCID_D6_VBLANK 6 46 47 #include "dc_types.h" 48 49 static bool hpd_ack( 50 struct irq_service *irq_service, 51 const struct irq_source_info *info) 52 { 53 uint32_t addr = info->status_reg; 54 uint32_t value = dm_read_reg(irq_service->ctx, addr); 55 uint32_t current_status = 56 get_reg_field_value( 57 value, 58 DC_HPD1_INT_STATUS, 59 DC_HPD1_SENSE_DELAYED); 60 61 dal_irq_service_ack_generic(irq_service, info); 62 63 value = dm_read_reg(irq_service->ctx, info->enable_reg); 64 65 set_reg_field_value( 66 value, 67 current_status ? 0 : 1, 68 DC_HPD1_INT_CONTROL, 69 DC_HPD1_INT_POLARITY); 70 71 dm_write_reg(irq_service->ctx, info->enable_reg, value); 72 73 return true; 74 } 75 76 static const struct irq_source_info_funcs hpd_irq_info_funcs = { 77 .set = NULL, 78 .ack = hpd_ack 79 }; 80 81 static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 82 .set = NULL, 83 .ack = NULL 84 }; 85 86 static const struct irq_source_info_funcs pflip_irq_info_funcs = { 87 .set = NULL, 88 .ack = NULL 89 }; 90 91 static const struct irq_source_info_funcs vblank_irq_info_funcs = { 92 .set = dce110_vblank_set, 93 .ack = NULL 94 }; 95 96 static const struct irq_source_info_funcs vblank_irq_info_funcs_dce60 = { 97 .set = NULL, 98 .ack = NULL 99 }; 100 101 #define hpd_int_entry(reg_num)\ 102 [DC_IRQ_SOURCE_INVALID + reg_num] = {\ 103 .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 104 .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ 105 .enable_value = {\ 106 DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ 107 ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK\ 108 },\ 109 .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 110 .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ 111 .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ 112 .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\ 113 .funcs = &hpd_irq_info_funcs\ 114 } 115 116 #define hpd_rx_int_entry(reg_num)\ 117 [DC_IRQ_SOURCE_HPD6 + reg_num] = {\ 118 .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 119 .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ 120 .enable_value = {\ 121 DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ 122 ~DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK },\ 123 .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 124 .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ 125 .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ 126 .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\ 127 .funcs = &hpd_rx_irq_info_funcs\ 128 } 129 130 #define pflip_int_entry(reg_num)\ 131 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 132 .enable_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_CONTROL,\ 133 .enable_mask =\ 134 GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ 135 .enable_value = {\ 136 GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ 137 ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK},\ 138 .ack_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_STATUS,\ 139 .ack_mask = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ 140 .ack_value = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ 141 .status_reg = mmDCP ## reg_num ##_GRPH_INTERRUPT_STATUS,\ 142 .funcs = &pflip_irq_info_funcs\ 143 } 144 145 #define vupdate_int_entry(reg_num)\ 146 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 147 .enable_reg = mmCRTC ## reg_num ## _CRTC_INTERRUPT_CONTROL,\ 148 .enable_mask =\ 149 CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ 150 .enable_value = {\ 151 CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ 152 ~CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK},\ 153 .ack_reg = mmCRTC ## reg_num ## _CRTC_V_UPDATE_INT_STATUS,\ 154 .ack_mask =\ 155 CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ 156 .ack_value =\ 157 CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ 158 .funcs = &vblank_irq_info_funcs\ 159 } 160 161 #define vblank_int_entry(reg_num)\ 162 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 163 .enable_reg = mmLB ## reg_num ## _INT_MASK,\ 164 .enable_mask =\ 165 INT_MASK__VBLANK_INT_MASK,\ 166 .enable_value = {\ 167 INT_MASK__VBLANK_INT_MASK,\ 168 ~INT_MASK__VBLANK_INT_MASK},\ 169 .ack_reg = mmLB ## reg_num ## _VBLANK_STATUS,\ 170 .ack_mask =\ 171 VBLANK_STATUS__VBLANK_ACK_MASK,\ 172 .ack_value =\ 173 VBLANK_STATUS__VBLANK_ACK_MASK,\ 174 .funcs = &vblank_irq_info_funcs_dce60\ 175 } 176 177 #define dummy_irq_entry() \ 178 {\ 179 .funcs = &dummy_irq_info_funcs\ 180 } 181 182 #define i2c_int_entry(reg_num) \ 183 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 184 185 #define dp_sink_int_entry(reg_num) \ 186 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 187 188 #define gpio_pad_int_entry(reg_num) \ 189 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 190 191 #define dc_underflow_int_entry(reg_num) \ 192 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 193 194 195 static const struct irq_source_info_funcs dummy_irq_info_funcs = { 196 .set = dal_irq_service_dummy_set, 197 .ack = dal_irq_service_dummy_ack 198 }; 199 200 static const struct irq_source_info 201 irq_source_info_dce60[DAL_IRQ_SOURCES_NUMBER] = { 202 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 203 hpd_int_entry(1), 204 hpd_int_entry(2), 205 hpd_int_entry(3), 206 hpd_int_entry(4), 207 hpd_int_entry(5), 208 hpd_int_entry(6), 209 hpd_rx_int_entry(1), 210 hpd_rx_int_entry(2), 211 hpd_rx_int_entry(3), 212 hpd_rx_int_entry(4), 213 hpd_rx_int_entry(5), 214 hpd_rx_int_entry(6), 215 i2c_int_entry(1), 216 i2c_int_entry(2), 217 i2c_int_entry(3), 218 i2c_int_entry(4), 219 i2c_int_entry(5), 220 i2c_int_entry(6), 221 dp_sink_int_entry(1), 222 dp_sink_int_entry(2), 223 dp_sink_int_entry(3), 224 dp_sink_int_entry(4), 225 dp_sink_int_entry(5), 226 dp_sink_int_entry(6), 227 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 228 pflip_int_entry(0), 229 pflip_int_entry(1), 230 pflip_int_entry(2), 231 pflip_int_entry(3), 232 pflip_int_entry(4), 233 pflip_int_entry(5), 234 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 235 gpio_pad_int_entry(0), 236 gpio_pad_int_entry(1), 237 gpio_pad_int_entry(2), 238 gpio_pad_int_entry(3), 239 gpio_pad_int_entry(4), 240 gpio_pad_int_entry(5), 241 gpio_pad_int_entry(6), 242 gpio_pad_int_entry(7), 243 gpio_pad_int_entry(8), 244 gpio_pad_int_entry(9), 245 gpio_pad_int_entry(10), 246 gpio_pad_int_entry(11), 247 gpio_pad_int_entry(12), 248 gpio_pad_int_entry(13), 249 gpio_pad_int_entry(14), 250 gpio_pad_int_entry(15), 251 gpio_pad_int_entry(16), 252 gpio_pad_int_entry(17), 253 gpio_pad_int_entry(18), 254 gpio_pad_int_entry(19), 255 gpio_pad_int_entry(20), 256 gpio_pad_int_entry(21), 257 gpio_pad_int_entry(22), 258 gpio_pad_int_entry(23), 259 gpio_pad_int_entry(24), 260 gpio_pad_int_entry(25), 261 gpio_pad_int_entry(26), 262 gpio_pad_int_entry(27), 263 gpio_pad_int_entry(28), 264 gpio_pad_int_entry(29), 265 gpio_pad_int_entry(30), 266 dc_underflow_int_entry(1), 267 dc_underflow_int_entry(2), 268 dc_underflow_int_entry(3), 269 dc_underflow_int_entry(4), 270 dc_underflow_int_entry(5), 271 dc_underflow_int_entry(6), 272 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 273 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 274 vupdate_int_entry(0), 275 vupdate_int_entry(1), 276 vupdate_int_entry(2), 277 vupdate_int_entry(3), 278 vupdate_int_entry(4), 279 vupdate_int_entry(5), 280 vblank_int_entry(0), 281 vblank_int_entry(1), 282 vblank_int_entry(2), 283 vblank_int_entry(3), 284 vblank_int_entry(4), 285 vblank_int_entry(5), 286 }; 287 288 enum dc_irq_source to_dal_irq_source_dce60( 289 struct irq_service *irq_service, 290 uint32_t src_id, 291 uint32_t ext_id) 292 { 293 switch (src_id) { 294 case VISLANDS30_IV_SRCID_D1_VBLANK: 295 return DC_IRQ_SOURCE_VBLANK1; 296 case VISLANDS30_IV_SRCID_D2_VBLANK: 297 return DC_IRQ_SOURCE_VBLANK2; 298 case VISLANDS30_IV_SRCID_D3_VBLANK: 299 return DC_IRQ_SOURCE_VBLANK3; 300 case VISLANDS30_IV_SRCID_D4_VBLANK: 301 return DC_IRQ_SOURCE_VBLANK4; 302 case VISLANDS30_IV_SRCID_D5_VBLANK: 303 return DC_IRQ_SOURCE_VBLANK5; 304 case VISLANDS30_IV_SRCID_D6_VBLANK: 305 return DC_IRQ_SOURCE_VBLANK6; 306 case VISLANDS30_IV_SRCID_D1_V_UPDATE_INT: 307 return DC_IRQ_SOURCE_VUPDATE1; 308 case VISLANDS30_IV_SRCID_D2_V_UPDATE_INT: 309 return DC_IRQ_SOURCE_VUPDATE2; 310 case VISLANDS30_IV_SRCID_D3_V_UPDATE_INT: 311 return DC_IRQ_SOURCE_VUPDATE3; 312 case VISLANDS30_IV_SRCID_D4_V_UPDATE_INT: 313 return DC_IRQ_SOURCE_VUPDATE4; 314 case VISLANDS30_IV_SRCID_D5_V_UPDATE_INT: 315 return DC_IRQ_SOURCE_VUPDATE5; 316 case VISLANDS30_IV_SRCID_D6_V_UPDATE_INT: 317 return DC_IRQ_SOURCE_VUPDATE6; 318 case VISLANDS30_IV_SRCID_D1_GRPH_PFLIP: 319 return DC_IRQ_SOURCE_PFLIP1; 320 case VISLANDS30_IV_SRCID_D2_GRPH_PFLIP: 321 return DC_IRQ_SOURCE_PFLIP2; 322 case VISLANDS30_IV_SRCID_D3_GRPH_PFLIP: 323 return DC_IRQ_SOURCE_PFLIP3; 324 case VISLANDS30_IV_SRCID_D4_GRPH_PFLIP: 325 return DC_IRQ_SOURCE_PFLIP4; 326 case VISLANDS30_IV_SRCID_D5_GRPH_PFLIP: 327 return DC_IRQ_SOURCE_PFLIP5; 328 case VISLANDS30_IV_SRCID_D6_GRPH_PFLIP: 329 return DC_IRQ_SOURCE_PFLIP6; 330 331 case VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A: 332 /* generic src_id for all HPD and HPDRX interrupts */ 333 switch (ext_id) { 334 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_A: 335 return DC_IRQ_SOURCE_HPD1; 336 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_B: 337 return DC_IRQ_SOURCE_HPD2; 338 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_C: 339 return DC_IRQ_SOURCE_HPD3; 340 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_D: 341 return DC_IRQ_SOURCE_HPD4; 342 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_E: 343 return DC_IRQ_SOURCE_HPD5; 344 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_F: 345 return DC_IRQ_SOURCE_HPD6; 346 case VISLANDS30_IV_EXTID_HPD_RX_A: 347 return DC_IRQ_SOURCE_HPD1RX; 348 case VISLANDS30_IV_EXTID_HPD_RX_B: 349 return DC_IRQ_SOURCE_HPD2RX; 350 case VISLANDS30_IV_EXTID_HPD_RX_C: 351 return DC_IRQ_SOURCE_HPD3RX; 352 case VISLANDS30_IV_EXTID_HPD_RX_D: 353 return DC_IRQ_SOURCE_HPD4RX; 354 case VISLANDS30_IV_EXTID_HPD_RX_E: 355 return DC_IRQ_SOURCE_HPD5RX; 356 case VISLANDS30_IV_EXTID_HPD_RX_F: 357 return DC_IRQ_SOURCE_HPD6RX; 358 default: 359 return DC_IRQ_SOURCE_INVALID; 360 } 361 break; 362 363 default: 364 return DC_IRQ_SOURCE_INVALID; 365 } 366 } 367 368 static const struct irq_service_funcs irq_service_funcs_dce60 = { 369 .to_dal_irq_source = to_dal_irq_source_dce60 370 }; 371 372 static void dce60_irq_construct( 373 struct irq_service *irq_service, 374 struct irq_service_init_data *init_data) 375 { 376 dal_irq_service_construct(irq_service, init_data); 377 378 irq_service->info = irq_source_info_dce60; 379 irq_service->funcs = &irq_service_funcs_dce60; 380 } 381 382 struct irq_service *dal_irq_service_dce60_create( 383 struct irq_service_init_data *init_data) 384 { 385 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 386 GFP_KERNEL); 387 388 if (!irq_service) 389 return NULL; 390 391 dce60_irq_construct(irq_service, init_data); 392 return irq_service; 393 } 394 395 396