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 "dm_services.h"
27
28#include "include/logger_interface.h"
29
30#include "../dce110/irq_service_dce110.h"
31
32#include "dcn/dcn_1_0_offset.h"
33#include "dcn/dcn_1_0_sh_mask.h"
34#include "soc15_hw_ip.h"
35#include "vega10_ip_offset.h"
36
37#include "irq_service_dcn10.h"
38
39#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
40
41static enum dc_irq_source to_dal_irq_source_dcn10(struct irq_service *irq_service,
42 uint32_t src_id,
43 uint32_t ext_id)
44{
45 switch (src_id) {
46 case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
47 return DC_IRQ_SOURCE_VBLANK1;
48 case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
49 return DC_IRQ_SOURCE_VBLANK2;
50 case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP:
51 return DC_IRQ_SOURCE_VBLANK3;
52 case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP:
53 return DC_IRQ_SOURCE_VBLANK4;
54 case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP:
55 return DC_IRQ_SOURCE_VBLANK5;
56 case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP:
57 return DC_IRQ_SOURCE_VBLANK6;
58 case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
59 return DC_IRQ_SOURCE_DC1_VLINE0;
60 case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
61 return DC_IRQ_SOURCE_DC2_VLINE0;
62 case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL:
63 return DC_IRQ_SOURCE_DC3_VLINE0;
64 case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL:
65 return DC_IRQ_SOURCE_DC4_VLINE0;
66 case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL:
67 return DC_IRQ_SOURCE_DC5_VLINE0;
68 case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL:
69 return DC_IRQ_SOURCE_DC6_VLINE0;
70 case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
71 return DC_IRQ_SOURCE_VUPDATE1;
72 case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
73 return DC_IRQ_SOURCE_VUPDATE2;
74 case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
75 return DC_IRQ_SOURCE_VUPDATE3;
76 case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
77 return DC_IRQ_SOURCE_VUPDATE4;
78 case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
79 return DC_IRQ_SOURCE_VUPDATE5;
80 case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
81 return DC_IRQ_SOURCE_VUPDATE6;
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
95 case DCN_1_0__SRCID__DC_HPD1_INT:
96 /* generic src_id for all HPD and HPDRX interrupts */
97 switch (ext_id) {
98 case DCN_1_0__CTXID__DC_HPD1_INT:
99 return DC_IRQ_SOURCE_HPD1;
100 case DCN_1_0__CTXID__DC_HPD2_INT:
101 return DC_IRQ_SOURCE_HPD2;
102 case DCN_1_0__CTXID__DC_HPD3_INT:
103 return DC_IRQ_SOURCE_HPD3;
104 case DCN_1_0__CTXID__DC_HPD4_INT:
105 return DC_IRQ_SOURCE_HPD4;
106 case DCN_1_0__CTXID__DC_HPD5_INT:
107 return DC_IRQ_SOURCE_HPD5;
108 case DCN_1_0__CTXID__DC_HPD6_INT:
109 return DC_IRQ_SOURCE_HPD6;
110 case DCN_1_0__CTXID__DC_HPD1_RX_INT:
111 return DC_IRQ_SOURCE_HPD1RX;
112 case DCN_1_0__CTXID__DC_HPD2_RX_INT:
113 return DC_IRQ_SOURCE_HPD2RX;
114 case DCN_1_0__CTXID__DC_HPD3_RX_INT:
115 return DC_IRQ_SOURCE_HPD3RX;
116 case DCN_1_0__CTXID__DC_HPD4_RX_INT:
117 return DC_IRQ_SOURCE_HPD4RX;
118 case DCN_1_0__CTXID__DC_HPD5_RX_INT:
119 return DC_IRQ_SOURCE_HPD5RX;
120 case DCN_1_0__CTXID__DC_HPD6_RX_INT:
121 return DC_IRQ_SOURCE_HPD6RX;
122 default:
123 return DC_IRQ_SOURCE_INVALID;
124 }
125 break;
126
127 default:
128 return DC_IRQ_SOURCE_INVALID;
129 }
130}
131
132static bool hpd_ack(
133 struct irq_service *irq_service,
134 const struct irq_source_info *info)
135{
136 uint32_t addr = info->status_reg;
137 uint32_t value = dm_read_reg(irq_service->ctx, addr);
138 uint32_t current_status =
139 get_reg_field_value(
140 value,
141 HPD0_DC_HPD_INT_STATUS,
142 DC_HPD_SENSE_DELAYED);
143
144 dal_irq_service_ack_generic(irq_service, info);
145
146 value = dm_read_reg(irq_service->ctx, info->enable_reg);
147
148 set_reg_field_value(
149 value,
150 current_status ? 0 : 1,
151 HPD0_DC_HPD_INT_CONTROL,
152 DC_HPD_INT_POLARITY);
153
154 dm_write_reg(irq_service->ctx, info->enable_reg, value);
155
156 return true;
157}
158
159static struct irq_source_info_funcs hpd_irq_info_funcs = {
160 .set = NULL,
161 .ack = hpd_ack
162};
163
164static struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
165 .set = NULL,
166 .ack = NULL
167};
168
169static struct irq_source_info_funcs pflip_irq_info_funcs = {
170 .set = NULL,
171 .ack = NULL
172};
173
174static struct irq_source_info_funcs vblank_irq_info_funcs = {
175 .set = NULL,
176 .ack = NULL
177};
178
179static struct irq_source_info_funcs vline0_irq_info_funcs = {
180 .set = NULL,
181 .ack = NULL
182};
183
184static struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
185 .set = NULL,
186 .ack = NULL
187};
188
189#define BASE_INNER(seg) \
190 DCE_BASE__INST0_SEG ## seg
191
192#define BASE(seg) \
193 BASE_INNER(seg)
194
195#define SRI(reg_name, block, id)\
196 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
197 mm ## block ## id ## _ ## reg_name
198
199
200#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\
201 .enable_reg = SRI(reg1, block, reg_num),\
202 .enable_mask = \
203 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
204 .enable_value = {\
205 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
206 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \
207 },\
208 .ack_reg = SRI(reg2, block, reg_num),\
209 .ack_mask = \
210 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
211 .ack_value = \
212 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \
213
214#define hpd_int_entry(reg_num)\
215 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\
216 IRQ_REG_ENTRY(HPD, reg_num,\
217 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
218 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
219 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
220 .funcs = &hpd_irq_info_funcs\
221 }
222
223#define hpd_rx_int_entry(reg_num)\
224 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\
225 IRQ_REG_ENTRY(HPD, reg_num,\
226 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
227 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
228 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
229 .funcs = &hpd_rx_irq_info_funcs\
230 }
231#define pflip_int_entry(reg_num)\
232 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\
233 IRQ_REG_ENTRY(HUBPREQ, reg_num,\
234 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\
235 DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\
236 .funcs = &pflip_irq_info_funcs\
237 }
238
239/* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
240 * of DCE's DC_IRQ_SOURCE_VUPDATEx.
241 */
242#define vupdate_no_lock_int_entry(reg_num)\
243 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\
244 IRQ_REG_ENTRY(OTG, reg_num,\
245 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\
246 OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\
247 .funcs = &vupdate_no_lock_irq_info_funcs\
248 }
249
250#define vblank_int_entry(reg_num)\
251 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\
252 IRQ_REG_ENTRY(OTG, reg_num,\
253 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\
254 OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\
255 .funcs = &vblank_irq_info_funcs\
256 }
257
258#define vline0_int_entry(reg_num)\
259 [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\
260 IRQ_REG_ENTRY(OTG, reg_num,\
261 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
262 OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
263 .funcs = &vline0_irq_info_funcs\
264 }
265
266#define dummy_irq_entry() \
267 {\
268 .funcs = &dummy_irq_info_funcs\
269 }
270
271#define i2c_int_entry(reg_num) \
272 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()
273
274#define dp_sink_int_entry(reg_num) \
275 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()
276
277#define gpio_pad_int_entry(reg_num) \
278 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()
279
280#define dc_underflow_int_entry(reg_num) \
281 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()
282
283static struct irq_source_info_funcs dummy_irq_info_funcs = {
284 .set = dal_irq_service_dummy_set,
285 .ack = dal_irq_service_dummy_ack
286};
287
288static const struct irq_source_info
289irq_source_info_dcn10[DAL_IRQ_SOURCES_NUMBER] = {
290 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
291 hpd_int_entry(0),
292 hpd_int_entry(1),
293 hpd_int_entry(2),
294 hpd_int_entry(3),
295 hpd_int_entry(4),
296 hpd_int_entry(5),
297 hpd_rx_int_entry(0),
298 hpd_rx_int_entry(1),
299 hpd_rx_int_entry(2),
300 hpd_rx_int_entry(3),
301 hpd_rx_int_entry(4),
302 hpd_rx_int_entry(5),
303 i2c_int_entry(1),
304 i2c_int_entry(2),
305 i2c_int_entry(3),
306 i2c_int_entry(4),
307 i2c_int_entry(5),
308 i2c_int_entry(6),
309 dp_sink_int_entry(1),
310 dp_sink_int_entry(2),
311 dp_sink_int_entry(3),
312 dp_sink_int_entry(4),
313 dp_sink_int_entry(5),
314 dp_sink_int_entry(6),
315 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
316 pflip_int_entry(0),
317 pflip_int_entry(1),
318 pflip_int_entry(2),
319 pflip_int_entry(3),
320 [DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(),
321 [DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(),
322 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
323 gpio_pad_int_entry(0),
324 gpio_pad_int_entry(1),
325 gpio_pad_int_entry(2),
326 gpio_pad_int_entry(3),
327 gpio_pad_int_entry(4),
328 gpio_pad_int_entry(5),
329 gpio_pad_int_entry(6),
330 gpio_pad_int_entry(7),
331 gpio_pad_int_entry(8),
332 gpio_pad_int_entry(9),
333 gpio_pad_int_entry(10),
334 gpio_pad_int_entry(11),
335 gpio_pad_int_entry(12),
336 gpio_pad_int_entry(13),
337 gpio_pad_int_entry(14),
338 gpio_pad_int_entry(15),
339 gpio_pad_int_entry(16),
340 gpio_pad_int_entry(17),
341 gpio_pad_int_entry(18),
342 gpio_pad_int_entry(19),
343 gpio_pad_int_entry(20),
344 gpio_pad_int_entry(21),
345 gpio_pad_int_entry(22),
346 gpio_pad_int_entry(23),
347 gpio_pad_int_entry(24),
348 gpio_pad_int_entry(25),
349 gpio_pad_int_entry(26),
350 gpio_pad_int_entry(27),
351 gpio_pad_int_entry(28),
352 gpio_pad_int_entry(29),
353 gpio_pad_int_entry(30),
354 dc_underflow_int_entry(1),
355 dc_underflow_int_entry(2),
356 dc_underflow_int_entry(3),
357 dc_underflow_int_entry(4),
358 dc_underflow_int_entry(5),
359 dc_underflow_int_entry(6),
360 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
361 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
362 vupdate_no_lock_int_entry(0),
363 vupdate_no_lock_int_entry(1),
364 vupdate_no_lock_int_entry(2),
365 vupdate_no_lock_int_entry(3),
366 vupdate_no_lock_int_entry(4),
367 vupdate_no_lock_int_entry(5),
368 vblank_int_entry(0),
369 vblank_int_entry(1),
370 vblank_int_entry(2),
371 vblank_int_entry(3),
372 vblank_int_entry(4),
373 vblank_int_entry(5),
374 vline0_int_entry(0),
375 vline0_int_entry(1),
376 vline0_int_entry(2),
377 vline0_int_entry(3),
378 vline0_int_entry(4),
379 vline0_int_entry(5),
380};
381
382static const struct irq_service_funcs irq_service_funcs_dcn10 = {
383 .to_dal_irq_source = to_dal_irq_source_dcn10
384};
385
386static void dcn10_irq_construct(
387 struct irq_service *irq_service,
388 struct irq_service_init_data *init_data)
389{
390 dal_irq_service_construct(irq_service, init_data);
391
392 irq_service->info = irq_source_info_dcn10;
393 irq_service->funcs = &irq_service_funcs_dcn10;
394}
395
396struct irq_service *dal_irq_service_dcn10_create(
397 struct irq_service_init_data *init_data)
398{
399 struct irq_service *irq_service = kzalloc(size: sizeof(*irq_service),
400 GFP_KERNEL);
401
402 if (!irq_service)
403 return NULL;
404
405 dcn10_irq_construct(irq_service, init_data);
406 return irq_service;
407}
408

source code of linux/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c