1 /* SPDX-License-Identifier: MIT */
2 /* Copyright 2024 Advanced Micro Devices, Inc. */
3 
4 #include "dm_services.h"
5 #include "include/logger_interface.h"
6 #include "../dce110/irq_service_dce110.h"
7 
8 
9 #include "dcn/dcn_3_5_1_offset.h"
10 #include "dcn/dcn_3_5_1_sh_mask.h"
11 
12 #include "irq_service_dcn351.h"
13 
14 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
15 
to_dal_irq_source_dcn351(struct irq_service * irq_service,uint32_t src_id,uint32_t ext_id)16 static enum dc_irq_source to_dal_irq_source_dcn351(
17 		struct irq_service *irq_service,
18 		uint32_t src_id,
19 		uint32_t ext_id)
20 {
21 	switch (src_id) {
22 	case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
23 		return DC_IRQ_SOURCE_VBLANK1;
24 	case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
25 		return DC_IRQ_SOURCE_VBLANK2;
26 	case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP:
27 		return DC_IRQ_SOURCE_VBLANK3;
28 	case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP:
29 		return DC_IRQ_SOURCE_VBLANK4;
30 	case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP:
31 		return DC_IRQ_SOURCE_VBLANK5;
32 	case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP:
33 		return DC_IRQ_SOURCE_VBLANK6;
34 	case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
35 		return DC_IRQ_SOURCE_DC1_VLINE0;
36 	case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
37 		return DC_IRQ_SOURCE_DC2_VLINE0;
38 	case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL:
39 		return DC_IRQ_SOURCE_DC3_VLINE0;
40 	case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL:
41 		return DC_IRQ_SOURCE_DC4_VLINE0;
42 	case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL:
43 		return DC_IRQ_SOURCE_DC5_VLINE0;
44 	case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL:
45 		return DC_IRQ_SOURCE_DC6_VLINE0;
46 	case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT:
47 		return DC_IRQ_SOURCE_PFLIP1;
48 	case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT:
49 		return DC_IRQ_SOURCE_PFLIP2;
50 	case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT:
51 		return DC_IRQ_SOURCE_PFLIP3;
52 	case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT:
53 		return DC_IRQ_SOURCE_PFLIP4;
54 	case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT:
55 		return DC_IRQ_SOURCE_PFLIP5;
56 	case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT:
57 		return DC_IRQ_SOURCE_PFLIP6;
58 	case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
59 		return DC_IRQ_SOURCE_VUPDATE1;
60 	case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
61 		return DC_IRQ_SOURCE_VUPDATE2;
62 	case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
63 		return DC_IRQ_SOURCE_VUPDATE3;
64 	case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
65 		return DC_IRQ_SOURCE_VUPDATE4;
66 	case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
67 		return DC_IRQ_SOURCE_VUPDATE5;
68 	case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
69 		return DC_IRQ_SOURCE_VUPDATE6;
70 	case DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT:
71 		return DC_IRQ_SOURCE_DMCUB_OUTBOX;
72 	case DCN_1_0__SRCID__DC_HPD1_INT:
73 		/* generic src_id for all HPD and HPDRX interrupts */
74 		switch (ext_id) {
75 		case DCN_1_0__CTXID__DC_HPD1_INT:
76 			return DC_IRQ_SOURCE_HPD1;
77 		case DCN_1_0__CTXID__DC_HPD2_INT:
78 			return DC_IRQ_SOURCE_HPD2;
79 		case DCN_1_0__CTXID__DC_HPD3_INT:
80 			return DC_IRQ_SOURCE_HPD3;
81 		case DCN_1_0__CTXID__DC_HPD4_INT:
82 			return DC_IRQ_SOURCE_HPD4;
83 		case DCN_1_0__CTXID__DC_HPD5_INT:
84 			return DC_IRQ_SOURCE_HPD5;
85 		case DCN_1_0__CTXID__DC_HPD6_INT:
86 			return DC_IRQ_SOURCE_HPD6;
87 		case DCN_1_0__CTXID__DC_HPD1_RX_INT:
88 			return DC_IRQ_SOURCE_HPD1RX;
89 		case DCN_1_0__CTXID__DC_HPD2_RX_INT:
90 			return DC_IRQ_SOURCE_HPD2RX;
91 		case DCN_1_0__CTXID__DC_HPD3_RX_INT:
92 			return DC_IRQ_SOURCE_HPD3RX;
93 		case DCN_1_0__CTXID__DC_HPD4_RX_INT:
94 			return DC_IRQ_SOURCE_HPD4RX;
95 		case DCN_1_0__CTXID__DC_HPD5_RX_INT:
96 			return DC_IRQ_SOURCE_HPD5RX;
97 		case DCN_1_0__CTXID__DC_HPD6_RX_INT:
98 			return DC_IRQ_SOURCE_HPD6RX;
99 		default:
100 			return DC_IRQ_SOURCE_INVALID;
101 		}
102 		break;
103 
104 	default:
105 		return DC_IRQ_SOURCE_INVALID;
106 	}
107 }
108 
hpd_ack(struct irq_service * irq_service,const struct irq_source_info * info)109 static bool hpd_ack(
110 	struct irq_service *irq_service,
111 	const struct irq_source_info *info)
112 {
113 	uint32_t addr = info->status_reg;
114 	uint32_t value = dm_read_reg(irq_service->ctx, addr);
115 	uint32_t current_status =
116 		get_reg_field_value(
117 			value,
118 			HPD0_DC_HPD_INT_STATUS,
119 			DC_HPD_SENSE_DELAYED);
120 
121 	dal_irq_service_ack_generic(irq_service, info);
122 
123 	value = dm_read_reg(irq_service->ctx, info->enable_reg);
124 
125 	set_reg_field_value(
126 		value,
127 		current_status ? 0 : 1,
128 		HPD0_DC_HPD_INT_CONTROL,
129 		DC_HPD_INT_POLARITY);
130 
131 	dm_write_reg(irq_service->ctx, info->enable_reg, value);
132 
133 	return true;
134 }
135 
136 static struct irq_source_info_funcs hpd_irq_info_funcs = {
137 	.set = NULL,
138 	.ack = hpd_ack
139 };
140 
141 static struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
142 	.set = NULL,
143 	.ack = NULL
144 };
145 
146 static struct irq_source_info_funcs pflip_irq_info_funcs = {
147 	.set = NULL,
148 	.ack = NULL
149 };
150 
151 static struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
152 	.set = NULL,
153 	.ack = NULL
154 };
155 
156 static struct irq_source_info_funcs vblank_irq_info_funcs = {
157 	.set = NULL,
158 	.ack = NULL
159 };
160 
161 static struct irq_source_info_funcs outbox_irq_info_funcs = {
162 	.set = NULL,
163 	.ack = NULL
164 };
165 
166 static struct irq_source_info_funcs vline0_irq_info_funcs = {
167 	.set = NULL,
168 	.ack = NULL
169 };
170 
171 #undef BASE_INNER
172 #define BASE_INNER(seg) ctx->dcn_reg_offsets[seg]
173 
174 /* compile time expand base address. */
175 #define BASE(seg) \
176 	BASE_INNER(seg)
177 
178 #define SRI(reg_name, block, id)\
179 	BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
180 			reg ## block ## id ## _ ## reg_name
181 
182 #define SRI_DMUB(reg_name)\
183 	BASE(reg ## reg_name ## _BASE_IDX) + \
184 			reg ## reg_name
185 
186 #define IRQ_REG_ENTRY(base, block, reg_num, reg1, mask1, reg2, mask2)\
187 	REG_STRUCT[base + reg_num].enable_reg = SRI(reg1, block, reg_num),\
188 	REG_STRUCT[base + reg_num].enable_mask = \
189 		block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
190 	REG_STRUCT[base + reg_num].enable_value[0] = \
191 		block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
192 	REG_STRUCT[base + reg_num].enable_value[1] = \
193 		~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK, \
194 	REG_STRUCT[base + reg_num].ack_reg = SRI(reg2, block, reg_num),\
195 	REG_STRUCT[base + reg_num].ack_mask = \
196 		block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
197 	REG_STRUCT[base + reg_num].ack_value = \
198 		block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \
199 
200 #define IRQ_REG_ENTRY_DMUB(base, reg1, mask1, reg2, mask2)\
201 	REG_STRUCT[base].enable_reg = SRI_DMUB(reg1),\
202 	REG_STRUCT[base].enable_mask = \
203 		reg1 ## __ ## mask1 ## _MASK,\
204 	REG_STRUCT[base].enable_value[0] = \
205 		reg1 ## __ ## mask1 ## _MASK,\
206 	REG_STRUCT[base].enable_value[1] = \
207 		~reg1 ## __ ## mask1 ## _MASK, \
208 	REG_STRUCT[base].ack_reg = SRI_DMUB(reg2),\
209 	REG_STRUCT[base].ack_mask = \
210 		reg2 ## __ ## mask2 ## _MASK,\
211 	REG_STRUCT[base].ack_value = \
212 		reg2 ## __ ## mask2 ## _MASK \
213 
214 #define hpd_int_entry(reg_num)\
215 		IRQ_REG_ENTRY(DC_IRQ_SOURCE_HPD1, HPD, reg_num,\
216 			DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
217 			DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
218 		REG_STRUCT[DC_IRQ_SOURCE_HPD1 + reg_num].funcs = &hpd_irq_info_funcs;\
219 		REG_STRUCT[DC_IRQ_SOURCE_HPD1 + reg_num].status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num);\
220 
221 #define hpd_rx_int_entry(reg_num)\
222 		IRQ_REG_ENTRY(DC_IRQ_SOURCE_HPD1RX, HPD, reg_num,\
223 			DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
224 			DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
225 		REG_STRUCT[DC_IRQ_SOURCE_HPD1RX + reg_num].status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num);\
226 		REG_STRUCT[DC_IRQ_SOURCE_HPD1RX + reg_num].funcs = &hpd_rx_irq_info_funcs;\
227 
228 #define pflip_int_entry(reg_num)\
229 		IRQ_REG_ENTRY(DC_IRQ_SOURCE_PFLIP1, HUBPREQ, reg_num,\
230 			DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\
231 			DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\
232 		REG_STRUCT[DC_IRQ_SOURCE_PFLIP1 + reg_num].funcs = &pflip_irq_info_funcs\
233 
234 /* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
235  * of DCE's DC_IRQ_SOURCE_VUPDATEx.
236  */
237 #define vupdate_no_lock_int_entry(reg_num)\
238 		IRQ_REG_ENTRY(DC_IRQ_SOURCE_VUPDATE1, OTG, reg_num,\
239 			OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\
240 			OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\
241 		REG_STRUCT[DC_IRQ_SOURCE_VUPDATE1 + reg_num].funcs = &vupdate_no_lock_irq_info_funcs\
242 
243 #define vblank_int_entry(reg_num)\
244 		IRQ_REG_ENTRY(DC_IRQ_SOURCE_VBLANK1, OTG, reg_num,\
245 			OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\
246 			OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\
247 		REG_STRUCT[DC_IRQ_SOURCE_VBLANK1 + reg_num].funcs = &vblank_irq_info_funcs\
248 
249 #define vline0_int_entry(reg_num)\
250 		IRQ_REG_ENTRY(DC_IRQ_SOURCE_DC1_VLINE0, OTG, reg_num,\
251 			OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
252 			OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
253 		REG_STRUCT[DC_IRQ_SOURCE_DC1_VLINE0 + reg_num].funcs = &vline0_irq_info_funcs\
254 
255 #define dmub_outbox_int_entry()\
256 		IRQ_REG_ENTRY_DMUB(DC_IRQ_SOURCE_DMCUB_OUTBOX, \
257 			DMCUB_INTERRUPT_ENABLE, DMCUB_OUTBOX1_READY_INT_EN,\
258 			DMCUB_INTERRUPT_ACK, DMCUB_OUTBOX1_READY_INT_ACK),\
259 		REG_STRUCT[DC_IRQ_SOURCE_DMCUB_OUTBOX].funcs = &outbox_irq_info_funcs
260 
261 #define dummy_irq_entry(irqno) \
262 	REG_STRUCT[irqno].funcs = &dummy_irq_info_funcs\
263 
264 #define i2c_int_entry(reg_num) \
265 	dummy_irq_entry(DC_IRQ_SOURCE_I2C_DDC ## reg_num)
266 
267 #define dp_sink_int_entry(reg_num) \
268 	dummy_irq_entry(DC_IRQ_SOURCE_DPSINK ## reg_num)
269 
270 #define gpio_pad_int_entry(reg_num) \
271 	dummy_irq_entry(DC_IRQ_SOURCE_GPIOPAD ## reg_num)
272 
273 #define dc_underflow_int_entry(reg_num) \
274 	dummy_irq_entry(DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW)
275 
276 static struct irq_source_info_funcs dummy_irq_info_funcs = {
277 	.set = dal_irq_service_dummy_set,
278 	.ack = dal_irq_service_dummy_ack
279 };
280 
281 #define dcn351_irq_init_part_1() {\
282 	dummy_irq_entry(DC_IRQ_SOURCE_INVALID); \
283 	hpd_int_entry(0); \
284 	hpd_int_entry(1); \
285 	hpd_int_entry(2); \
286 	hpd_int_entry(3); \
287 	hpd_int_entry(4); \
288 	hpd_rx_int_entry(0); \
289 	hpd_rx_int_entry(1); \
290 	hpd_rx_int_entry(2); \
291 	hpd_rx_int_entry(3); \
292 	hpd_rx_int_entry(4); \
293 	i2c_int_entry(1); \
294 	i2c_int_entry(2); \
295 	i2c_int_entry(3); \
296 	i2c_int_entry(4); \
297 	i2c_int_entry(5); \
298 	i2c_int_entry(6); \
299 	dp_sink_int_entry(1); \
300 	dp_sink_int_entry(2); \
301 	dp_sink_int_entry(3); \
302 	dp_sink_int_entry(4); \
303 	dp_sink_int_entry(5); \
304 	dp_sink_int_entry(6); \
305 	dummy_irq_entry(DC_IRQ_SOURCE_TIMER); \
306 	pflip_int_entry(0); \
307 	pflip_int_entry(1); \
308 	pflip_int_entry(2); \
309 	pflip_int_entry(3); \
310 	dummy_irq_entry(DC_IRQ_SOURCE_PFLIP5); \
311 	dummy_irq_entry(DC_IRQ_SOURCE_PFLIP6); \
312 	dummy_irq_entry(DC_IRQ_SOURCE_PFLIP_UNDERLAY0); \
313 	gpio_pad_int_entry(0); \
314 	gpio_pad_int_entry(1); \
315 	gpio_pad_int_entry(2); \
316 	gpio_pad_int_entry(3); \
317 	gpio_pad_int_entry(4); \
318 	gpio_pad_int_entry(5); \
319 	gpio_pad_int_entry(6); \
320 	gpio_pad_int_entry(7); \
321 	gpio_pad_int_entry(8); \
322 	gpio_pad_int_entry(9); \
323 	gpio_pad_int_entry(10); \
324 	gpio_pad_int_entry(11); \
325 	gpio_pad_int_entry(12); \
326 	gpio_pad_int_entry(13); \
327 	gpio_pad_int_entry(14); \
328 	gpio_pad_int_entry(15); \
329 	gpio_pad_int_entry(16); \
330 	gpio_pad_int_entry(17); \
331 	gpio_pad_int_entry(18); \
332 	gpio_pad_int_entry(19); \
333 	gpio_pad_int_entry(20); \
334 	gpio_pad_int_entry(21); \
335 	gpio_pad_int_entry(22); \
336 	gpio_pad_int_entry(23); \
337 	gpio_pad_int_entry(24); \
338 	gpio_pad_int_entry(25); \
339 	gpio_pad_int_entry(26); \
340 	gpio_pad_int_entry(27); \
341 	gpio_pad_int_entry(28); \
342 	gpio_pad_int_entry(29); \
343 	gpio_pad_int_entry(30); \
344 	dc_underflow_int_entry(1); \
345 	dc_underflow_int_entry(2); \
346 	dc_underflow_int_entry(3); \
347 	dc_underflow_int_entry(4); \
348 	dc_underflow_int_entry(5); \
349 	dc_underflow_int_entry(6); \
350 	dummy_irq_entry(DC_IRQ_SOURCE_DMCU_SCP); \
351 	dummy_irq_entry(DC_IRQ_SOURCE_VBIOS_SW); \
352 }
353 
354 #define dcn351_irq_init_part_2() {\
355 	vupdate_no_lock_int_entry(0); \
356 	vupdate_no_lock_int_entry(1); \
357 	vupdate_no_lock_int_entry(2); \
358 	vupdate_no_lock_int_entry(3); \
359 	vblank_int_entry(0); \
360 	vblank_int_entry(1); \
361 	vblank_int_entry(2); \
362 	vblank_int_entry(3); \
363 	vline0_int_entry(0); \
364 	vline0_int_entry(1); \
365 	vline0_int_entry(2); \
366 	vline0_int_entry(3); \
367 	dummy_irq_entry(DC_IRQ_SOURCE_DC5_VLINE1); \
368 	dummy_irq_entry(DC_IRQ_SOURCE_DC6_VLINE1); \
369 	dmub_outbox_int_entry(); \
370 }
371 
372 #define dcn351_irq_init() {\
373 	dcn351_irq_init_part_1(); \
374 	dcn351_irq_init_part_2(); \
375 }
376 
377 static struct irq_source_info irq_source_info_dcn351[DAL_IRQ_SOURCES_NUMBER] = {0};
378 
379 static struct irq_service_funcs irq_service_funcs_dcn351 = {
380 		.to_dal_irq_source = to_dal_irq_source_dcn351
381 };
382 
dcn351_irq_construct(struct irq_service * irq_service,struct irq_service_init_data * init_data)383 static void dcn351_irq_construct(
384 	struct irq_service *irq_service,
385 	struct irq_service_init_data *init_data)
386 {
387 	struct dc_context *ctx = init_data->ctx;
388 
389 #define REG_STRUCT irq_source_info_dcn351
390 	dcn351_irq_init();
391 
392 	dal_irq_service_construct(irq_service, init_data);
393 
394 	irq_service->info = irq_source_info_dcn351;
395 	irq_service->funcs = &irq_service_funcs_dcn351;
396 }
397 
dal_irq_service_dcn351_create(struct irq_service_init_data * init_data)398 struct irq_service *dal_irq_service_dcn351_create(
399 	struct irq_service_init_data *init_data)
400 {
401 	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
402 						  GFP_KERNEL);
403 
404 	if (!irq_service)
405 		return NULL;
406 
407 	dcn351_irq_construct(irq_service, init_data);
408 	return irq_service;
409 }
410