1 /* 2 * Copyright 2012-15 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 "irq_service_dce110.h" 33 34 #include "dce/dce_11_0_d.h" 35 #include "dce/dce_11_0_sh_mask.h" 36 37 #include "ivsrcid/ivsrcid_vislands30.h" 38 39 #include "dc.h" 40 #include "core_types.h" 41 #define DC_LOGGER \ 42 irq_service->ctx->logger 43 44 static bool hpd_ack(struct irq_service *irq_service, 45 const struct irq_source_info *info) 46 { 47 uint32_t addr = info->status_reg; 48 uint32_t value = dm_read_reg(irq_service->ctx, addr); 49 uint32_t current_status = get_reg_field_value(value, 50 DC_HPD_INT_STATUS, 51 DC_HPD_SENSE_DELAYED); 52 53 dal_irq_service_ack_generic(irq_service, info); 54 55 value = dm_read_reg(irq_service->ctx, info->enable_reg); 56 57 set_reg_field_value(value, current_status ? 0 : 1, 58 DC_HPD_INT_CONTROL, 59 DC_HPD_INT_POLARITY); 60 61 dm_write_reg(irq_service->ctx, info->enable_reg, value); 62 63 return true; 64 } 65 66 static const struct irq_source_info_funcs hpd_irq_info_funcs = { 67 .set = NULL, 68 .ack = hpd_ack 69 }; 70 71 static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 72 .set = NULL, 73 .ack = NULL 74 }; 75 76 static const struct irq_source_info_funcs pflip_irq_info_funcs = { 77 .set = NULL, 78 .ack = NULL 79 }; 80 81 static const struct irq_source_info_funcs vblank_irq_info_funcs = { 82 .set = dce110_vblank_set, 83 .ack = NULL 84 }; 85 86 static const struct irq_source_info_funcs vupdate_irq_info_funcs = { 87 .set = NULL, 88 .ack = NULL 89 }; 90 91 #define hpd_int_entry(reg_num)\ 92 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ 93 .enable_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ 94 .enable_mask = DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK,\ 95 .enable_value = {\ 96 DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK,\ 97 ~DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK\ 98 },\ 99 .ack_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ 100 .ack_mask = DC_HPD_INT_CONTROL__DC_HPD_INT_ACK_MASK,\ 101 .ack_value = DC_HPD_INT_CONTROL__DC_HPD_INT_ACK_MASK,\ 102 .status_reg = mmHPD ## reg_num ## _DC_HPD_INT_STATUS,\ 103 .funcs = &hpd_irq_info_funcs\ 104 } 105 106 #define hpd_rx_int_entry(reg_num)\ 107 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ 108 .enable_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ 109 .enable_mask = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK,\ 110 .enable_value = {\ 111 DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK,\ 112 ~DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK },\ 113 .ack_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\ 114 .ack_mask = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_ACK_MASK,\ 115 .ack_value = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_ACK_MASK,\ 116 .status_reg = mmHPD ## reg_num ## _DC_HPD_INT_STATUS,\ 117 .funcs = &hpd_rx_irq_info_funcs\ 118 } 119 #define pflip_int_entry(reg_num)\ 120 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 121 .enable_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_CONTROL,\ 122 .enable_mask =\ 123 GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ 124 .enable_value = {\ 125 GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ 126 ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK},\ 127 .ack_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_STATUS,\ 128 .ack_mask = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ 129 .ack_value = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ 130 .status_reg = mmDCP ## reg_num ##_GRPH_INTERRUPT_STATUS,\ 131 .funcs = &pflip_irq_info_funcs\ 132 } 133 134 #define vupdate_int_entry(reg_num)\ 135 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 136 .enable_reg = mmCRTC ## reg_num ## _CRTC_INTERRUPT_CONTROL,\ 137 .enable_mask =\ 138 CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ 139 .enable_value = {\ 140 CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ 141 ~CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK},\ 142 .ack_reg = mmCRTC ## reg_num ## _CRTC_V_UPDATE_INT_STATUS,\ 143 .ack_mask =\ 144 CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ 145 .ack_value =\ 146 CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ 147 .funcs = &vupdate_irq_info_funcs\ 148 } 149 150 #define vblank_int_entry(reg_num)\ 151 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 152 .enable_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\ 153 .enable_mask =\ 154 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\ 155 .enable_value = {\ 156 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\ 157 ~CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK},\ 158 .ack_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\ 159 .ack_mask =\ 160 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\ 161 .ack_value =\ 162 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\ 163 .funcs = &vblank_irq_info_funcs,\ 164 .src_id = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0 + reg_num\ 165 } 166 167 #define dummy_irq_entry() \ 168 {\ 169 .funcs = &dummy_irq_info_funcs\ 170 } 171 172 #define i2c_int_entry(reg_num) \ 173 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 174 175 #define dp_sink_int_entry(reg_num) \ 176 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 177 178 #define gpio_pad_int_entry(reg_num) \ 179 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 180 181 #define dc_underflow_int_entry(reg_num) \ 182 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 183 184 bool dal_irq_service_dummy_set(struct irq_service *irq_service, 185 const struct irq_source_info *info, 186 bool enable) 187 { 188 DC_LOG_ERROR("%s: called for non-implemented irq source\n", 189 __func__); 190 return false; 191 } 192 193 bool dal_irq_service_dummy_ack(struct irq_service *irq_service, 194 const struct irq_source_info *info) 195 { 196 DC_LOG_ERROR("%s: called for non-implemented irq source\n", 197 __func__); 198 return false; 199 } 200 201 202 bool dce110_vblank_set(struct irq_service *irq_service, 203 const struct irq_source_info *info, 204 bool enable) 205 { 206 struct dc_context *dc_ctx = irq_service->ctx; 207 struct dc *core_dc = irq_service->ctx->dc; 208 enum dc_irq_source dal_irq_src = 209 dc_interrupt_to_irq_source(irq_service->ctx->dc, 210 info->src_id, 211 info->ext_id); 212 uint8_t pipe_offset = dal_irq_src - IRQ_TYPE_VBLANK; 213 214 struct timing_generator *tg = 215 core_dc->current_state->res_ctx.pipe_ctx[pipe_offset].stream_res.tg; 216 217 if (enable) { 218 if (!tg || !tg->funcs->arm_vert_intr(tg, 2)) { 219 DC_ERROR("Failed to get VBLANK!\n"); 220 return false; 221 } 222 } 223 224 dal_irq_service_set_generic(irq_service, info, enable); 225 return true; 226 } 227 228 static const struct irq_source_info_funcs dummy_irq_info_funcs = { 229 .set = dal_irq_service_dummy_set, 230 .ack = dal_irq_service_dummy_ack 231 }; 232 233 static const struct irq_source_info 234 irq_source_info_dce110[DAL_IRQ_SOURCES_NUMBER] = { 235 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 236 hpd_int_entry(0), 237 hpd_int_entry(1), 238 hpd_int_entry(2), 239 hpd_int_entry(3), 240 hpd_int_entry(4), 241 hpd_int_entry(5), 242 hpd_rx_int_entry(0), 243 hpd_rx_int_entry(1), 244 hpd_rx_int_entry(2), 245 hpd_rx_int_entry(3), 246 hpd_rx_int_entry(4), 247 hpd_rx_int_entry(5), 248 i2c_int_entry(1), 249 i2c_int_entry(2), 250 i2c_int_entry(3), 251 i2c_int_entry(4), 252 i2c_int_entry(5), 253 i2c_int_entry(6), 254 dp_sink_int_entry(1), 255 dp_sink_int_entry(2), 256 dp_sink_int_entry(3), 257 dp_sink_int_entry(4), 258 dp_sink_int_entry(5), 259 dp_sink_int_entry(6), 260 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 261 pflip_int_entry(0), 262 pflip_int_entry(1), 263 pflip_int_entry(2), 264 pflip_int_entry(3), 265 pflip_int_entry(4), 266 pflip_int_entry(5), 267 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 268 gpio_pad_int_entry(0), 269 gpio_pad_int_entry(1), 270 gpio_pad_int_entry(2), 271 gpio_pad_int_entry(3), 272 gpio_pad_int_entry(4), 273 gpio_pad_int_entry(5), 274 gpio_pad_int_entry(6), 275 gpio_pad_int_entry(7), 276 gpio_pad_int_entry(8), 277 gpio_pad_int_entry(9), 278 gpio_pad_int_entry(10), 279 gpio_pad_int_entry(11), 280 gpio_pad_int_entry(12), 281 gpio_pad_int_entry(13), 282 gpio_pad_int_entry(14), 283 gpio_pad_int_entry(15), 284 gpio_pad_int_entry(16), 285 gpio_pad_int_entry(17), 286 gpio_pad_int_entry(18), 287 gpio_pad_int_entry(19), 288 gpio_pad_int_entry(20), 289 gpio_pad_int_entry(21), 290 gpio_pad_int_entry(22), 291 gpio_pad_int_entry(23), 292 gpio_pad_int_entry(24), 293 gpio_pad_int_entry(25), 294 gpio_pad_int_entry(26), 295 gpio_pad_int_entry(27), 296 gpio_pad_int_entry(28), 297 gpio_pad_int_entry(29), 298 gpio_pad_int_entry(30), 299 dc_underflow_int_entry(1), 300 dc_underflow_int_entry(2), 301 dc_underflow_int_entry(3), 302 dc_underflow_int_entry(4), 303 dc_underflow_int_entry(5), 304 dc_underflow_int_entry(6), 305 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 306 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 307 vupdate_int_entry(0), 308 vupdate_int_entry(1), 309 vupdate_int_entry(2), 310 vupdate_int_entry(3), 311 vupdate_int_entry(4), 312 vupdate_int_entry(5), 313 vblank_int_entry(0), 314 vblank_int_entry(1), 315 vblank_int_entry(2), 316 vblank_int_entry(3), 317 vblank_int_entry(4), 318 vblank_int_entry(5), 319 320 }; 321 322 enum dc_irq_source to_dal_irq_source_dce110( 323 struct irq_service *irq_service, 324 uint32_t src_id, 325 uint32_t ext_id) 326 { 327 switch (src_id) { 328 case VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0: 329 return DC_IRQ_SOURCE_VBLANK1; 330 case VISLANDS30_IV_SRCID_D2_VERTICAL_INTERRUPT0: 331 return DC_IRQ_SOURCE_VBLANK2; 332 case VISLANDS30_IV_SRCID_D3_VERTICAL_INTERRUPT0: 333 return DC_IRQ_SOURCE_VBLANK3; 334 case VISLANDS30_IV_SRCID_D4_VERTICAL_INTERRUPT0: 335 return DC_IRQ_SOURCE_VBLANK4; 336 case VISLANDS30_IV_SRCID_D5_VERTICAL_INTERRUPT0: 337 return DC_IRQ_SOURCE_VBLANK5; 338 case VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0: 339 return DC_IRQ_SOURCE_VBLANK6; 340 case VISLANDS30_IV_SRCID_D1_V_UPDATE_INT: 341 return DC_IRQ_SOURCE_VUPDATE1; 342 case VISLANDS30_IV_SRCID_D2_V_UPDATE_INT: 343 return DC_IRQ_SOURCE_VUPDATE2; 344 case VISLANDS30_IV_SRCID_D3_V_UPDATE_INT: 345 return DC_IRQ_SOURCE_VUPDATE3; 346 case VISLANDS30_IV_SRCID_D4_V_UPDATE_INT: 347 return DC_IRQ_SOURCE_VUPDATE4; 348 case VISLANDS30_IV_SRCID_D5_V_UPDATE_INT: 349 return DC_IRQ_SOURCE_VUPDATE5; 350 case VISLANDS30_IV_SRCID_D6_V_UPDATE_INT: 351 return DC_IRQ_SOURCE_VUPDATE6; 352 case VISLANDS30_IV_SRCID_D1_GRPH_PFLIP: 353 return DC_IRQ_SOURCE_PFLIP1; 354 case VISLANDS30_IV_SRCID_D2_GRPH_PFLIP: 355 return DC_IRQ_SOURCE_PFLIP2; 356 case VISLANDS30_IV_SRCID_D3_GRPH_PFLIP: 357 return DC_IRQ_SOURCE_PFLIP3; 358 case VISLANDS30_IV_SRCID_D4_GRPH_PFLIP: 359 return DC_IRQ_SOURCE_PFLIP4; 360 case VISLANDS30_IV_SRCID_D5_GRPH_PFLIP: 361 return DC_IRQ_SOURCE_PFLIP5; 362 case VISLANDS30_IV_SRCID_D6_GRPH_PFLIP: 363 return DC_IRQ_SOURCE_PFLIP6; 364 365 case VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A: 366 /* generic src_id for all HPD and HPDRX interrupts */ 367 switch (ext_id) { 368 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_A: 369 return DC_IRQ_SOURCE_HPD1; 370 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_B: 371 return DC_IRQ_SOURCE_HPD2; 372 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_C: 373 return DC_IRQ_SOURCE_HPD3; 374 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_D: 375 return DC_IRQ_SOURCE_HPD4; 376 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_E: 377 return DC_IRQ_SOURCE_HPD5; 378 case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_F: 379 return DC_IRQ_SOURCE_HPD6; 380 case VISLANDS30_IV_EXTID_HPD_RX_A: 381 return DC_IRQ_SOURCE_HPD1RX; 382 case VISLANDS30_IV_EXTID_HPD_RX_B: 383 return DC_IRQ_SOURCE_HPD2RX; 384 case VISLANDS30_IV_EXTID_HPD_RX_C: 385 return DC_IRQ_SOURCE_HPD3RX; 386 case VISLANDS30_IV_EXTID_HPD_RX_D: 387 return DC_IRQ_SOURCE_HPD4RX; 388 case VISLANDS30_IV_EXTID_HPD_RX_E: 389 return DC_IRQ_SOURCE_HPD5RX; 390 case VISLANDS30_IV_EXTID_HPD_RX_F: 391 return DC_IRQ_SOURCE_HPD6RX; 392 default: 393 return DC_IRQ_SOURCE_INVALID; 394 } 395 break; 396 397 default: 398 return DC_IRQ_SOURCE_INVALID; 399 } 400 } 401 402 static const struct irq_service_funcs irq_service_funcs_dce110 = { 403 .to_dal_irq_source = to_dal_irq_source_dce110 404 }; 405 406 static void construct(struct irq_service *irq_service, 407 struct irq_service_init_data *init_data) 408 { 409 dal_irq_service_construct(irq_service, init_data); 410 411 irq_service->info = irq_source_info_dce110; 412 irq_service->funcs = &irq_service_funcs_dce110; 413 } 414 415 struct irq_service * 416 dal_irq_service_dce110_create(struct irq_service_init_data *init_data) 417 { 418 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 419 GFP_KERNEL); 420 421 if (!irq_service) 422 return NULL; 423 424 construct(irq_service, init_data); 425 return irq_service; 426 } 427