1 /*
2 * Copyright 2020 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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19 * OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * Authors: AMD
22 *
23 */
24
25 #if defined(CONFIG_DRM_AMD_DC_DCN)
26
27 #include "dm_services.h"
28
29 #include "include/logger_interface.h"
30
31 #include "../dce110/irq_service_dce110.h"
32
33
34 #include "sienna_cichlid_ip_offset.h"
35 #include "dcn/dcn_3_0_0_offset.h"
36 #include "dcn/dcn_3_0_0_sh_mask.h"
37
38 #include "nbio/nbio_7_4_offset.h"
39
40 #include "dcn/dpcs_3_0_0_offset.h"
41 #include "dcn/dpcs_3_0_0_sh_mask.h"
42
43 #include "mmhub/mmhub_2_0_0_offset.h"
44 #include "mmhub/mmhub_2_0_0_sh_mask.h"
45
46 #include "irq_service_dcn30.h"
47
48 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
49
to_dal_irq_source_dcn30(struct irq_service * irq_service,uint32_t src_id,uint32_t ext_id)50 enum dc_irq_source to_dal_irq_source_dcn30(
51 struct irq_service *irq_service,
52 uint32_t src_id,
53 uint32_t ext_id)
54 {
55 switch (src_id) {
56 case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
57 return DC_IRQ_SOURCE_VBLANK1;
58 case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
59 return DC_IRQ_SOURCE_VBLANK2;
60 case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP:
61 return DC_IRQ_SOURCE_VBLANK3;
62 case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP:
63 return DC_IRQ_SOURCE_VBLANK4;
64 case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP:
65 return DC_IRQ_SOURCE_VBLANK5;
66 case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP:
67 return DC_IRQ_SOURCE_VBLANK6;
68 case DCN_1_0__SRCID__DMCUB_OUTBOX_HIGH_PRIORITY_READY_INT:
69 return DC_IRQ_SOURCE_DMCUB_OUTBOX0;
70 case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
71 return DC_IRQ_SOURCE_DC1_VLINE0;
72 case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
73 return DC_IRQ_SOURCE_DC2_VLINE0;
74 case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL:
75 return DC_IRQ_SOURCE_DC3_VLINE0;
76 case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL:
77 return DC_IRQ_SOURCE_DC4_VLINE0;
78 case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL:
79 return DC_IRQ_SOURCE_DC5_VLINE0;
80 case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL:
81 return DC_IRQ_SOURCE_DC6_VLINE0;
82 case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT:
83 return DC_IRQ_SOURCE_PFLIP1;
84 case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT:
85 return DC_IRQ_SOURCE_PFLIP2;
86 case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT:
87 return DC_IRQ_SOURCE_PFLIP3;
88 case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT:
89 return DC_IRQ_SOURCE_PFLIP4;
90 case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT:
91 return DC_IRQ_SOURCE_PFLIP5;
92 case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT:
93 return DC_IRQ_SOURCE_PFLIP6;
94 case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
95 return DC_IRQ_SOURCE_VUPDATE1;
96 case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
97 return DC_IRQ_SOURCE_VUPDATE2;
98 case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
99 return DC_IRQ_SOURCE_VUPDATE3;
100 case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
101 return DC_IRQ_SOURCE_VUPDATE4;
102 case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
103 return DC_IRQ_SOURCE_VUPDATE5;
104 case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
105 return DC_IRQ_SOURCE_VUPDATE6;
106
107 case DCN_1_0__SRCID__DC_HPD1_INT:
108 /* generic src_id for all HPD and HPDRX interrupts */
109 switch (ext_id) {
110 case DCN_1_0__CTXID__DC_HPD1_INT:
111 return DC_IRQ_SOURCE_HPD1;
112 case DCN_1_0__CTXID__DC_HPD2_INT:
113 return DC_IRQ_SOURCE_HPD2;
114 case DCN_1_0__CTXID__DC_HPD3_INT:
115 return DC_IRQ_SOURCE_HPD3;
116 case DCN_1_0__CTXID__DC_HPD4_INT:
117 return DC_IRQ_SOURCE_HPD4;
118 case DCN_1_0__CTXID__DC_HPD5_INT:
119 return DC_IRQ_SOURCE_HPD5;
120 case DCN_1_0__CTXID__DC_HPD6_INT:
121 return DC_IRQ_SOURCE_HPD6;
122 case DCN_1_0__CTXID__DC_HPD1_RX_INT:
123 return DC_IRQ_SOURCE_HPD1RX;
124 case DCN_1_0__CTXID__DC_HPD2_RX_INT:
125 return DC_IRQ_SOURCE_HPD2RX;
126 case DCN_1_0__CTXID__DC_HPD3_RX_INT:
127 return DC_IRQ_SOURCE_HPD3RX;
128 case DCN_1_0__CTXID__DC_HPD4_RX_INT:
129 return DC_IRQ_SOURCE_HPD4RX;
130 case DCN_1_0__CTXID__DC_HPD5_RX_INT:
131 return DC_IRQ_SOURCE_HPD5RX;
132 case DCN_1_0__CTXID__DC_HPD6_RX_INT:
133 return DC_IRQ_SOURCE_HPD6RX;
134 default:
135 return DC_IRQ_SOURCE_INVALID;
136 }
137 break;
138
139 default:
140 return DC_IRQ_SOURCE_INVALID;
141 }
142 }
143
hpd_ack(struct irq_service * irq_service,const struct irq_source_info * info)144 static bool hpd_ack(
145 struct irq_service *irq_service,
146 const struct irq_source_info *info)
147 {
148 uint32_t addr = info->status_reg;
149 uint32_t value = dm_read_reg(irq_service->ctx, addr);
150 uint32_t current_status =
151 get_reg_field_value(
152 value,
153 HPD0_DC_HPD_INT_STATUS,
154 DC_HPD_SENSE_DELAYED);
155
156 dal_irq_service_ack_generic(irq_service, info);
157
158 value = dm_read_reg(irq_service->ctx, info->enable_reg);
159
160 set_reg_field_value(
161 value,
162 current_status ? 0 : 1,
163 HPD0_DC_HPD_INT_CONTROL,
164 DC_HPD_INT_POLARITY);
165
166 dm_write_reg(irq_service->ctx, info->enable_reg, value);
167
168 return true;
169 }
170
171 static const struct irq_source_info_funcs hpd_irq_info_funcs = {
172 .set = NULL,
173 .ack = hpd_ack
174 };
175
176 static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
177 .set = NULL,
178 .ack = NULL
179 };
180
181 static const struct irq_source_info_funcs pflip_irq_info_funcs = {
182 .set = NULL,
183 .ack = NULL
184 };
185
186 static const struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
187 .set = NULL,
188 .ack = NULL
189 };
190
191 static const struct irq_source_info_funcs vblank_irq_info_funcs = {
192 .set = NULL,
193 .ack = NULL
194 };
195
196 static const struct irq_source_info_funcs dmub_trace_irq_info_funcs = {
197 .set = NULL,
198 .ack = NULL
199 };
200
201 static const struct irq_source_info_funcs vline0_irq_info_funcs = {
202 .set = NULL,
203 .ack = NULL
204 };
205
206 #undef BASE_INNER
207 #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
208
209 /* compile time expand base address. */
210 #define BASE(seg) \
211 BASE_INNER(seg)
212
213
214 #define SRI(reg_name, block, id)\
215 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
216 mm ## block ## id ## _ ## reg_name
217
218 #define SRI_DMUB(reg_name)\
219 BASE(mm ## reg_name ## _BASE_IDX) + \
220 mm ## reg_name
221
222 #define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\
223 .enable_reg = SRI(reg1, block, reg_num),\
224 .enable_mask = \
225 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
226 .enable_value = {\
227 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
228 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \
229 },\
230 .ack_reg = SRI(reg2, block, reg_num),\
231 .ack_mask = \
232 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
233 .ack_value = \
234 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \
235
236 #define IRQ_REG_ENTRY_DMUB(reg1, mask1, reg2, mask2)\
237 .enable_reg = SRI_DMUB(reg1),\
238 .enable_mask = \
239 reg1 ## __ ## mask1 ## _MASK,\
240 .enable_value = {\
241 reg1 ## __ ## mask1 ## _MASK,\
242 ~reg1 ## __ ## mask1 ## _MASK \
243 },\
244 .ack_reg = SRI_DMUB(reg2),\
245 .ack_mask = \
246 reg2 ## __ ## mask2 ## _MASK,\
247 .ack_value = \
248 reg2 ## __ ## mask2 ## _MASK \
249
250 #define hpd_int_entry(reg_num)\
251 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\
252 IRQ_REG_ENTRY(HPD, reg_num,\
253 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
254 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
255 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
256 .funcs = &hpd_irq_info_funcs\
257 }
258
259 #define hpd_rx_int_entry(reg_num)\
260 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\
261 IRQ_REG_ENTRY(HPD, reg_num,\
262 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
263 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
264 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
265 .funcs = &hpd_rx_irq_info_funcs\
266 }
267 #define pflip_int_entry(reg_num)\
268 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\
269 IRQ_REG_ENTRY(HUBPREQ, reg_num,\
270 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\
271 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\
272 .funcs = &pflip_irq_info_funcs\
273 }
274
275 /* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
276 * of DCE's DC_IRQ_SOURCE_VUPDATEx.
277 */
278 #define vupdate_no_lock_int_entry(reg_num)\
279 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\
280 IRQ_REG_ENTRY(OTG, reg_num,\
281 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\
282 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\
283 .funcs = &vupdate_no_lock_irq_info_funcs\
284 }
285
286 #define vblank_int_entry(reg_num)\
287 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\
288 IRQ_REG_ENTRY(OTG, reg_num,\
289 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\
290 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\
291 .funcs = &vblank_irq_info_funcs\
292 }
293
294 #define vline0_int_entry(reg_num)\
295 [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\
296 IRQ_REG_ENTRY(OTG, reg_num,\
297 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
298 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
299 .funcs = &vline0_irq_info_funcs\
300 }
301
302 #define dmub_trace_int_entry()\
303 [DC_IRQ_SOURCE_DMCUB_OUTBOX0] = {\
304 IRQ_REG_ENTRY_DMUB(DMCUB_INTERRUPT_ENABLE, DMCUB_OUTBOX0_READY_INT_EN,\
305 DMCUB_INTERRUPT_ACK, DMCUB_OUTBOX0_READY_INT_ACK),\
306 .funcs = &dmub_trace_irq_info_funcs\
307 }
308
309 #define dummy_irq_entry() \
310 {\
311 .funcs = &dummy_irq_info_funcs\
312 }
313
314 #define i2c_int_entry(reg_num) \
315 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()
316
317 #define dp_sink_int_entry(reg_num) \
318 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()
319
320 #define gpio_pad_int_entry(reg_num) \
321 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()
322
323 #define dc_underflow_int_entry(reg_num) \
324 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()
325
326 static const struct irq_source_info_funcs dummy_irq_info_funcs = {
327 .set = dal_irq_service_dummy_set,
328 .ack = dal_irq_service_dummy_ack
329 };
330
331 static const struct irq_source_info
332 irq_source_info_dcn30[DAL_IRQ_SOURCES_NUMBER] = {
333 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
334 hpd_int_entry(0),
335 hpd_int_entry(1),
336 hpd_int_entry(2),
337 hpd_int_entry(3),
338 hpd_int_entry(4),
339 hpd_int_entry(5),
340 hpd_rx_int_entry(0),
341 hpd_rx_int_entry(1),
342 hpd_rx_int_entry(2),
343 hpd_rx_int_entry(3),
344 hpd_rx_int_entry(4),
345 hpd_rx_int_entry(5),
346 i2c_int_entry(1),
347 i2c_int_entry(2),
348 i2c_int_entry(3),
349 i2c_int_entry(4),
350 i2c_int_entry(5),
351 i2c_int_entry(6),
352 dp_sink_int_entry(1),
353 dp_sink_int_entry(2),
354 dp_sink_int_entry(3),
355 dp_sink_int_entry(4),
356 dp_sink_int_entry(5),
357 dp_sink_int_entry(6),
358 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
359 pflip_int_entry(0),
360 pflip_int_entry(1),
361 pflip_int_entry(2),
362 pflip_int_entry(3),
363 pflip_int_entry(4),
364 pflip_int_entry(5),
365 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
366 gpio_pad_int_entry(0),
367 gpio_pad_int_entry(1),
368 gpio_pad_int_entry(2),
369 gpio_pad_int_entry(3),
370 gpio_pad_int_entry(4),
371 gpio_pad_int_entry(5),
372 gpio_pad_int_entry(6),
373 gpio_pad_int_entry(7),
374 gpio_pad_int_entry(8),
375 gpio_pad_int_entry(9),
376 gpio_pad_int_entry(10),
377 gpio_pad_int_entry(11),
378 gpio_pad_int_entry(12),
379 gpio_pad_int_entry(13),
380 gpio_pad_int_entry(14),
381 gpio_pad_int_entry(15),
382 gpio_pad_int_entry(16),
383 gpio_pad_int_entry(17),
384 gpio_pad_int_entry(18),
385 gpio_pad_int_entry(19),
386 gpio_pad_int_entry(20),
387 gpio_pad_int_entry(21),
388 gpio_pad_int_entry(22),
389 gpio_pad_int_entry(23),
390 gpio_pad_int_entry(24),
391 gpio_pad_int_entry(25),
392 gpio_pad_int_entry(26),
393 gpio_pad_int_entry(27),
394 gpio_pad_int_entry(28),
395 gpio_pad_int_entry(29),
396 gpio_pad_int_entry(30),
397 dc_underflow_int_entry(1),
398 dc_underflow_int_entry(2),
399 dc_underflow_int_entry(3),
400 dc_underflow_int_entry(4),
401 dc_underflow_int_entry(5),
402 dc_underflow_int_entry(6),
403 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
404 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
405 vupdate_no_lock_int_entry(0),
406 vupdate_no_lock_int_entry(1),
407 vupdate_no_lock_int_entry(2),
408 vupdate_no_lock_int_entry(3),
409 vupdate_no_lock_int_entry(4),
410 vupdate_no_lock_int_entry(5),
411 vblank_int_entry(0),
412 vblank_int_entry(1),
413 vblank_int_entry(2),
414 vblank_int_entry(3),
415 vblank_int_entry(4),
416 vblank_int_entry(5),
417 vline0_int_entry(0),
418 vline0_int_entry(1),
419 vline0_int_entry(2),
420 vline0_int_entry(3),
421 vline0_int_entry(4),
422 vline0_int_entry(5),
423 dmub_trace_int_entry(),
424 };
425
426 static const struct irq_service_funcs irq_service_funcs_dcn30 = {
427 .to_dal_irq_source = to_dal_irq_source_dcn30
428 };
429
dcn30_irq_construct(struct irq_service * irq_service,struct irq_service_init_data * init_data)430 static void dcn30_irq_construct(
431 struct irq_service *irq_service,
432 struct irq_service_init_data *init_data)
433 {
434 dal_irq_service_construct(irq_service, init_data);
435
436 irq_service->info = irq_source_info_dcn30;
437 irq_service->funcs = &irq_service_funcs_dcn30;
438 }
439
dal_irq_service_dcn30_create(struct irq_service_init_data * init_data)440 struct irq_service *dal_irq_service_dcn30_create(
441 struct irq_service_init_data *init_data)
442 {
443 struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
444 GFP_KERNEL);
445
446 if (!irq_service)
447 return NULL;
448
449 dcn30_irq_construct(irq_service, init_data);
450 return irq_service;
451 }
452
453 #endif
454