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
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 "irq_service_dcn302.h"
29
30 #include "../dce110/irq_service_dce110.h"
31
32 #include "dimgrey_cavefish_ip_offset.h"
33 #include "dcn/dcn_3_0_0_offset.h"
34 #include "dcn/dcn_3_0_0_sh_mask.h"
35
36 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
37
to_dal_irq_source_dcn302(struct irq_service * irq_service,uint32_t src_id,uint32_t ext_id)38 static enum dc_irq_source to_dal_irq_source_dcn302(struct irq_service *irq_service, uint32_t src_id, uint32_t ext_id)
39 {
40 switch (src_id) {
41 case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
42 return DC_IRQ_SOURCE_VBLANK1;
43 case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
44 return DC_IRQ_SOURCE_VBLANK2;
45 case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP:
46 return DC_IRQ_SOURCE_VBLANK3;
47 case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP:
48 return DC_IRQ_SOURCE_VBLANK4;
49 case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP:
50 return DC_IRQ_SOURCE_VBLANK5;
51 case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP:
52 return DC_IRQ_SOURCE_VBLANK6;
53 case DCN_1_0__SRCID__DMCUB_OUTBOX_HIGH_PRIORITY_READY_INT:
54 return DC_IRQ_SOURCE_DMCUB_OUTBOX0;
55 case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
56 return DC_IRQ_SOURCE_DC1_VLINE0;
57 case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
58 return DC_IRQ_SOURCE_DC2_VLINE0;
59 case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL:
60 return DC_IRQ_SOURCE_DC3_VLINE0;
61 case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL:
62 return DC_IRQ_SOURCE_DC4_VLINE0;
63 case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL:
64 return DC_IRQ_SOURCE_DC5_VLINE0;
65 case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL:
66 return DC_IRQ_SOURCE_DC6_VLINE0;
67 case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT:
68 return DC_IRQ_SOURCE_PFLIP1;
69 case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT:
70 return DC_IRQ_SOURCE_PFLIP2;
71 case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT:
72 return DC_IRQ_SOURCE_PFLIP3;
73 case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT:
74 return DC_IRQ_SOURCE_PFLIP4;
75 case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT:
76 return DC_IRQ_SOURCE_PFLIP5;
77 case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT:
78 return DC_IRQ_SOURCE_PFLIP6;
79 case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
80 return DC_IRQ_SOURCE_VUPDATE1;
81 case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
82 return DC_IRQ_SOURCE_VUPDATE2;
83 case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
84 return DC_IRQ_SOURCE_VUPDATE3;
85 case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
86 return DC_IRQ_SOURCE_VUPDATE4;
87 case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
88 return DC_IRQ_SOURCE_VUPDATE5;
89 case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
90 return DC_IRQ_SOURCE_VUPDATE6;
91
92 case DCN_1_0__SRCID__DC_HPD1_INT:
93 /* generic src_id for all HPD and HPDRX interrupts */
94 switch (ext_id) {
95 case DCN_1_0__CTXID__DC_HPD1_INT:
96 return DC_IRQ_SOURCE_HPD1;
97 case DCN_1_0__CTXID__DC_HPD2_INT:
98 return DC_IRQ_SOURCE_HPD2;
99 case DCN_1_0__CTXID__DC_HPD3_INT:
100 return DC_IRQ_SOURCE_HPD3;
101 case DCN_1_0__CTXID__DC_HPD4_INT:
102 return DC_IRQ_SOURCE_HPD4;
103 case DCN_1_0__CTXID__DC_HPD5_INT:
104 return DC_IRQ_SOURCE_HPD5;
105 case DCN_1_0__CTXID__DC_HPD6_INT:
106 return DC_IRQ_SOURCE_HPD6;
107 case DCN_1_0__CTXID__DC_HPD1_RX_INT:
108 return DC_IRQ_SOURCE_HPD1RX;
109 case DCN_1_0__CTXID__DC_HPD2_RX_INT:
110 return DC_IRQ_SOURCE_HPD2RX;
111 case DCN_1_0__CTXID__DC_HPD3_RX_INT:
112 return DC_IRQ_SOURCE_HPD3RX;
113 case DCN_1_0__CTXID__DC_HPD4_RX_INT:
114 return DC_IRQ_SOURCE_HPD4RX;
115 case DCN_1_0__CTXID__DC_HPD5_RX_INT:
116 return DC_IRQ_SOURCE_HPD5RX;
117 case DCN_1_0__CTXID__DC_HPD6_RX_INT:
118 return DC_IRQ_SOURCE_HPD6RX;
119 default:
120 return DC_IRQ_SOURCE_INVALID;
121 }
122 break;
123
124 default:
125 return DC_IRQ_SOURCE_INVALID;
126 }
127 }
128
hpd_ack(struct irq_service * irq_service,const struct irq_source_info * info)129 static bool hpd_ack(struct irq_service *irq_service, const struct irq_source_info *info)
130 {
131 uint32_t addr = info->status_reg;
132 uint32_t value = dm_read_reg(irq_service->ctx, addr);
133 uint32_t current_status = get_reg_field_value(value, HPD0_DC_HPD_INT_STATUS, DC_HPD_SENSE_DELAYED);
134
135 dal_irq_service_ack_generic(irq_service, info);
136
137 value = dm_read_reg(irq_service->ctx, info->enable_reg);
138
139 set_reg_field_value(value, current_status ? 0 : 1, HPD0_DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY);
140
141 dm_write_reg(irq_service->ctx, info->enable_reg, value);
142
143 return true;
144 }
145
146 static struct irq_source_info_funcs hpd_irq_info_funcs = {
147 .set = NULL,
148 .ack = hpd_ack
149 };
150
151 static struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
152 .set = NULL,
153 .ack = NULL
154 };
155
156 static struct irq_source_info_funcs pflip_irq_info_funcs = {
157 .set = NULL,
158 .ack = NULL
159 };
160
161 static struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
162 .set = NULL,
163 .ack = NULL
164 };
165
166 static struct irq_source_info_funcs vblank_irq_info_funcs = {
167 .set = NULL,
168 .ack = NULL
169 };
170
171 static struct irq_source_info_funcs dmub_trace_irq_info_funcs = {
172 .set = NULL,
173 .ack = NULL
174 };
175
176 static struct irq_source_info_funcs vline0_irq_info_funcs = {
177 .set = NULL,
178 .ack = NULL
179 };
180
181 #undef BASE_INNER
182 #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
183
184 /* compile time expand base address. */
185 #define BASE(seg) BASE_INNER(seg)
186
187 #define SRI(reg_name, block, id)\
188 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
189 mm ## block ## id ## _ ## reg_name
190
191 #define SRI_DMUB(reg_name)\
192 BASE(mm ## reg_name ## _BASE_IDX) + \
193 mm ## reg_name
194
195 #define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\
196 .enable_reg = SRI(reg1, block, reg_num),\
197 .enable_mask = block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
198 .enable_value = {\
199 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
200 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \
201 },\
202 .ack_reg = SRI(reg2, block, reg_num),\
203 .ack_mask = block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
204 .ack_value = block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \
205
206 #define dmub_trace_int_entry()\
207 [DC_IRQ_SOURCE_DMCUB_OUTBOX0] = {\
208 IRQ_REG_ENTRY_DMUB(DMCUB_INTERRUPT_ENABLE, DMCUB_OUTBOX0_READY_INT_EN,\
209 DMCUB_INTERRUPT_ACK, DMCUB_OUTBOX0_READY_INT_ACK),\
210 .funcs = &dmub_trace_irq_info_funcs\
211 }
212
213 #define IRQ_REG_ENTRY_DMUB(reg1, mask1, reg2, mask2)\
214 .enable_reg = SRI_DMUB(reg1),\
215 .enable_mask = \
216 reg1 ## __ ## mask1 ## _MASK,\
217 .enable_value = {\
218 reg1 ## __ ## mask1 ## _MASK,\
219 ~reg1 ## __ ## mask1 ## _MASK \
220 },\
221 .ack_reg = SRI_DMUB(reg2),\
222 .ack_mask = \
223 reg2 ## __ ## mask2 ## _MASK,\
224 .ack_value = \
225 reg2 ## __ ## mask2 ## _MASK \
226
227 #define hpd_int_entry(reg_num)\
228 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\
229 IRQ_REG_ENTRY(HPD, reg_num,\
230 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
231 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
232 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
233 .funcs = &hpd_irq_info_funcs\
234 }
235
236 #define hpd_rx_int_entry(reg_num)\
237 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\
238 IRQ_REG_ENTRY(HPD, reg_num,\
239 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
240 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
241 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
242 .funcs = &hpd_rx_irq_info_funcs\
243 }
244 #define pflip_int_entry(reg_num)\
245 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\
246 IRQ_REG_ENTRY(HUBPREQ, reg_num,\
247 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\
248 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\
249 .funcs = &pflip_irq_info_funcs\
250 }
251
252 /* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
253 * of DCE's DC_IRQ_SOURCE_VUPDATEx.
254 */
255 #define vupdate_no_lock_int_entry(reg_num)\
256 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\
257 IRQ_REG_ENTRY(OTG, reg_num,\
258 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\
259 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\
260 .funcs = &vupdate_no_lock_irq_info_funcs\
261 }
262
263 #define vblank_int_entry(reg_num)\
264 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\
265 IRQ_REG_ENTRY(OTG, reg_num,\
266 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\
267 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\
268 .funcs = &vblank_irq_info_funcs\
269 }
270
271 #define vline0_int_entry(reg_num)\
272 [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\
273 IRQ_REG_ENTRY(OTG, reg_num,\
274 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
275 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
276 .funcs = &vline0_irq_info_funcs\
277 }
278
279 #define dummy_irq_entry() { .funcs = &dummy_irq_info_funcs }
280
281 #define i2c_int_entry(reg_num) \
282 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()
283
284 #define dp_sink_int_entry(reg_num) \
285 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()
286
287 #define gpio_pad_int_entry(reg_num) \
288 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()
289
290 #define dc_underflow_int_entry(reg_num) \
291 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()
292
293 static struct irq_source_info_funcs dummy_irq_info_funcs = {
294 .set = dal_irq_service_dummy_set,
295 .ack = dal_irq_service_dummy_ack
296 };
297
298 static const struct irq_source_info irq_source_info_dcn302[DAL_IRQ_SOURCES_NUMBER] = {
299 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
300 hpd_int_entry(0),
301 hpd_int_entry(1),
302 hpd_int_entry(2),
303 hpd_int_entry(3),
304 hpd_int_entry(4),
305 hpd_rx_int_entry(0),
306 hpd_rx_int_entry(1),
307 hpd_rx_int_entry(2),
308 hpd_rx_int_entry(3),
309 hpd_rx_int_entry(4),
310 i2c_int_entry(1),
311 i2c_int_entry(2),
312 i2c_int_entry(3),
313 i2c_int_entry(4),
314 i2c_int_entry(5),
315 dp_sink_int_entry(1),
316 dp_sink_int_entry(2),
317 dp_sink_int_entry(3),
318 dp_sink_int_entry(4),
319 dp_sink_int_entry(5),
320 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
321 pflip_int_entry(0),
322 pflip_int_entry(1),
323 pflip_int_entry(2),
324 pflip_int_entry(3),
325 pflip_int_entry(4),
326 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
327 gpio_pad_int_entry(0),
328 gpio_pad_int_entry(1),
329 gpio_pad_int_entry(2),
330 gpio_pad_int_entry(3),
331 gpio_pad_int_entry(4),
332 gpio_pad_int_entry(5),
333 gpio_pad_int_entry(6),
334 gpio_pad_int_entry(7),
335 gpio_pad_int_entry(8),
336 gpio_pad_int_entry(9),
337 gpio_pad_int_entry(10),
338 gpio_pad_int_entry(11),
339 gpio_pad_int_entry(12),
340 gpio_pad_int_entry(13),
341 gpio_pad_int_entry(14),
342 gpio_pad_int_entry(15),
343 gpio_pad_int_entry(16),
344 gpio_pad_int_entry(17),
345 gpio_pad_int_entry(18),
346 gpio_pad_int_entry(19),
347 gpio_pad_int_entry(20),
348 gpio_pad_int_entry(21),
349 gpio_pad_int_entry(22),
350 gpio_pad_int_entry(23),
351 gpio_pad_int_entry(24),
352 gpio_pad_int_entry(25),
353 gpio_pad_int_entry(26),
354 gpio_pad_int_entry(27),
355 gpio_pad_int_entry(28),
356 gpio_pad_int_entry(29),
357 gpio_pad_int_entry(30),
358 dc_underflow_int_entry(1),
359 dc_underflow_int_entry(2),
360 dc_underflow_int_entry(3),
361 dc_underflow_int_entry(4),
362 dc_underflow_int_entry(5),
363 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
364 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
365 vupdate_no_lock_int_entry(0),
366 vupdate_no_lock_int_entry(1),
367 vupdate_no_lock_int_entry(2),
368 vupdate_no_lock_int_entry(3),
369 vupdate_no_lock_int_entry(4),
370 vblank_int_entry(0),
371 vblank_int_entry(1),
372 vblank_int_entry(2),
373 vblank_int_entry(3),
374 vblank_int_entry(4),
375 vline0_int_entry(0),
376 vline0_int_entry(1),
377 vline0_int_entry(2),
378 vline0_int_entry(3),
379 vline0_int_entry(4),
380 dmub_trace_int_entry(),
381 };
382
383 static const struct irq_service_funcs irq_service_funcs_dcn302 = {
384 .to_dal_irq_source = to_dal_irq_source_dcn302
385 };
386
dcn302_irq_construct(struct irq_service * irq_service,struct irq_service_init_data * init_data)387 static void dcn302_irq_construct(struct irq_service *irq_service, struct irq_service_init_data *init_data)
388 {
389 dal_irq_service_construct(irq_service, init_data);
390
391 irq_service->info = irq_source_info_dcn302;
392 irq_service->funcs = &irq_service_funcs_dcn302;
393 }
394
dal_irq_service_dcn302_create(struct irq_service_init_data * init_data)395 struct irq_service *dal_irq_service_dcn302_create(struct irq_service_init_data *init_data)
396 {
397 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), GFP_KERNEL);
398
399 if (!irq_service)
400 return NULL;
401
402 dcn302_irq_construct(irq_service, init_data);
403 return irq_service;
404 }
405