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(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