irq_service_dce110.c revision 1.3
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 "irq_service_dce110.h"
31
32#include "dce/dce_11_0_d.h"
33#include "dce/dce_11_0_sh_mask.h"
34
35#include "ivsrcid/ivsrcid_vislands30.h"
36
37#include "dc.h"
38#include "core_types.h"
39#define DC_LOGGER \
40	irq_service->ctx->logger
41
42static bool hpd_ack(struct irq_service *irq_service,
43		    const struct irq_source_info *info)
44{
45	uint32_t addr = info->status_reg;
46	uint32_t value = dm_read_reg(irq_service->ctx, addr);
47	uint32_t current_status = get_reg_field_value(value,
48						      DC_HPD_INT_STATUS,
49						      DC_HPD_SENSE_DELAYED);
50
51	dal_irq_service_ack_generic(irq_service, info);
52
53	value = dm_read_reg(irq_service->ctx, info->enable_reg);
54
55	set_reg_field_value(value, current_status ? 0 : 1,
56			    DC_HPD_INT_CONTROL,
57			    DC_HPD_INT_POLARITY);
58
59	dm_write_reg(irq_service->ctx, info->enable_reg, value);
60
61	return true;
62}
63
64static const struct irq_source_info_funcs hpd_irq_info_funcs = {
65	.set = NULL,
66	.ack = hpd_ack
67};
68
69static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
70	.set = NULL,
71	.ack = NULL
72};
73
74static const struct irq_source_info_funcs pflip_irq_info_funcs = {
75	.set = NULL,
76	.ack = NULL
77};
78
79static const struct irq_source_info_funcs vblank_irq_info_funcs = {
80	.set = dce110_vblank_set,
81	.ack = NULL
82};
83
84static const struct irq_source_info_funcs vupdate_irq_info_funcs = {
85	.set = NULL,
86	.ack = NULL
87};
88
89#define hpd_int_entry(reg_num)\
90	[DC_IRQ_SOURCE_HPD1 + reg_num] = {\
91		.enable_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\
92		.enable_mask = DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK,\
93		.enable_value = {\
94			DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK,\
95			~DC_HPD_INT_CONTROL__DC_HPD_INT_EN_MASK\
96		},\
97		.ack_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\
98		.ack_mask = DC_HPD_INT_CONTROL__DC_HPD_INT_ACK_MASK,\
99		.ack_value = DC_HPD_INT_CONTROL__DC_HPD_INT_ACK_MASK,\
100		.status_reg = mmHPD ## reg_num ## _DC_HPD_INT_STATUS,\
101		.funcs = &hpd_irq_info_funcs\
102	}
103
104#define hpd_rx_int_entry(reg_num)\
105	[DC_IRQ_SOURCE_HPD1RX + reg_num] = {\
106		.enable_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\
107		.enable_mask = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK,\
108		.enable_value = {\
109			DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK,\
110			~DC_HPD_INT_CONTROL__DC_HPD_RX_INT_EN_MASK },\
111		.ack_reg = mmHPD ## reg_num ## _DC_HPD_INT_CONTROL,\
112		.ack_mask = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_ACK_MASK,\
113		.ack_value = DC_HPD_INT_CONTROL__DC_HPD_RX_INT_ACK_MASK,\
114		.status_reg = mmHPD ## reg_num ## _DC_HPD_INT_STATUS,\
115		.funcs = &hpd_rx_irq_info_funcs\
116	}
117#define pflip_int_entry(reg_num)\
118	[DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\
119		.enable_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_CONTROL,\
120		.enable_mask =\
121		GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\
122		.enable_value = {\
123			GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\
124			~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK},\
125		.ack_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_STATUS,\
126		.ack_mask = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\
127		.ack_value = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\
128		.status_reg = mmDCP ## reg_num ##_GRPH_INTERRUPT_STATUS,\
129		.funcs = &pflip_irq_info_funcs\
130	}
131
132#define vupdate_int_entry(reg_num)\
133	[DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\
134		.enable_reg = mmCRTC ## reg_num ## _CRTC_INTERRUPT_CONTROL,\
135		.enable_mask =\
136		CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\
137		.enable_value = {\
138			CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\
139			~CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK},\
140		.ack_reg = mmCRTC ## reg_num ## _CRTC_V_UPDATE_INT_STATUS,\
141		.ack_mask =\
142		CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\
143		.ack_value =\
144		CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\
145		.funcs = &vupdate_irq_info_funcs\
146	}
147
148#define vblank_int_entry(reg_num)\
149	[DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\
150		.enable_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\
151		.enable_mask =\
152		CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\
153		.enable_value = {\
154			CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\
155			~CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK},\
156		.ack_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\
157		.ack_mask =\
158		CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\
159		.ack_value =\
160		CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\
161		.funcs = &vblank_irq_info_funcs,\
162		.src_id = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0 + reg_num\
163	}
164
165#define dummy_irq_entry() \
166	{\
167		.funcs = &dummy_irq_info_funcs\
168	}
169
170#define i2c_int_entry(reg_num) \
171	[DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()
172
173#define dp_sink_int_entry(reg_num) \
174	[DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()
175
176#define gpio_pad_int_entry(reg_num) \
177	[DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()
178
179#define dc_underflow_int_entry(reg_num) \
180	[DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()
181
182bool dal_irq_service_dummy_set(struct irq_service *irq_service,
183			       const struct irq_source_info *info,
184			       bool enable)
185{
186	DC_LOG_ERROR("%s: called for non-implemented irq source, src_id=%u, ext_id=%u\n",
187		     __func__, info->src_id, info->ext_id);
188
189	return false;
190}
191
192bool dal_irq_service_dummy_ack(struct irq_service *irq_service,
193			       const struct irq_source_info *info)
194{
195	DC_LOG_ERROR("%s: called for non-implemented irq source, src_id=%u, ext_id=%u\n",
196		     __func__, info->src_id, info->ext_id);
197
198	return false;
199}
200
201
202bool dce110_vblank_set(struct irq_service *irq_service,
203		       const struct irq_source_info *info,
204		       bool enable)
205{
206	struct dc_context *dc_ctx = irq_service->ctx;
207	struct dc *dc = irq_service->ctx->dc;
208	enum dc_irq_source dal_irq_src =
209			dc_interrupt_to_irq_source(irq_service->ctx->dc,
210						   info->src_id,
211						   info->ext_id);
212	uint8_t pipe_offset = dal_irq_src - IRQ_TYPE_VBLANK;
213
214	struct timing_generator *tg =
215			dc->current_state->res_ctx.pipe_ctx[pipe_offset].stream_res.tg;
216
217	if (enable) {
218		if (!tg || !tg->funcs->arm_vert_intr(tg, 2)) {
219			DC_ERROR("Failed to get VBLANK!\n");
220			return false;
221		}
222	}
223
224	dal_irq_service_set_generic(irq_service, info, enable);
225	return true;
226}
227
228static const struct irq_source_info_funcs dummy_irq_info_funcs = {
229	.set = dal_irq_service_dummy_set,
230	.ack = dal_irq_service_dummy_ack
231};
232
233static const struct irq_source_info
234irq_source_info_dce110[DAL_IRQ_SOURCES_NUMBER] = {
235	[DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
236	hpd_int_entry(0),
237	hpd_int_entry(1),
238	hpd_int_entry(2),
239	hpd_int_entry(3),
240	hpd_int_entry(4),
241	hpd_int_entry(5),
242	hpd_rx_int_entry(0),
243	hpd_rx_int_entry(1),
244	hpd_rx_int_entry(2),
245	hpd_rx_int_entry(3),
246	hpd_rx_int_entry(4),
247	hpd_rx_int_entry(5),
248	i2c_int_entry(1),
249	i2c_int_entry(2),
250	i2c_int_entry(3),
251	i2c_int_entry(4),
252	i2c_int_entry(5),
253	i2c_int_entry(6),
254	dp_sink_int_entry(1),
255	dp_sink_int_entry(2),
256	dp_sink_int_entry(3),
257	dp_sink_int_entry(4),
258	dp_sink_int_entry(5),
259	dp_sink_int_entry(6),
260	[DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
261	pflip_int_entry(0),
262	pflip_int_entry(1),
263	pflip_int_entry(2),
264	pflip_int_entry(3),
265	pflip_int_entry(4),
266	pflip_int_entry(5),
267	[DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
268	gpio_pad_int_entry(0),
269	gpio_pad_int_entry(1),
270	gpio_pad_int_entry(2),
271	gpio_pad_int_entry(3),
272	gpio_pad_int_entry(4),
273	gpio_pad_int_entry(5),
274	gpio_pad_int_entry(6),
275	gpio_pad_int_entry(7),
276	gpio_pad_int_entry(8),
277	gpio_pad_int_entry(9),
278	gpio_pad_int_entry(10),
279	gpio_pad_int_entry(11),
280	gpio_pad_int_entry(12),
281	gpio_pad_int_entry(13),
282	gpio_pad_int_entry(14),
283	gpio_pad_int_entry(15),
284	gpio_pad_int_entry(16),
285	gpio_pad_int_entry(17),
286	gpio_pad_int_entry(18),
287	gpio_pad_int_entry(19),
288	gpio_pad_int_entry(20),
289	gpio_pad_int_entry(21),
290	gpio_pad_int_entry(22),
291	gpio_pad_int_entry(23),
292	gpio_pad_int_entry(24),
293	gpio_pad_int_entry(25),
294	gpio_pad_int_entry(26),
295	gpio_pad_int_entry(27),
296	gpio_pad_int_entry(28),
297	gpio_pad_int_entry(29),
298	gpio_pad_int_entry(30),
299	dc_underflow_int_entry(1),
300	dc_underflow_int_entry(2),
301	dc_underflow_int_entry(3),
302	dc_underflow_int_entry(4),
303	dc_underflow_int_entry(5),
304	dc_underflow_int_entry(6),
305	[DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
306	[DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
307	vupdate_int_entry(0),
308	vupdate_int_entry(1),
309	vupdate_int_entry(2),
310	vupdate_int_entry(3),
311	vupdate_int_entry(4),
312	vupdate_int_entry(5),
313	vblank_int_entry(0),
314	vblank_int_entry(1),
315	vblank_int_entry(2),
316	vblank_int_entry(3),
317	vblank_int_entry(4),
318	vblank_int_entry(5),
319
320};
321
322enum dc_irq_source to_dal_irq_source_dce110(
323		struct irq_service *irq_service,
324		uint32_t src_id,
325		uint32_t ext_id)
326{
327	switch (src_id) {
328	case VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0:
329		return DC_IRQ_SOURCE_VBLANK1;
330	case VISLANDS30_IV_SRCID_D2_VERTICAL_INTERRUPT0:
331		return DC_IRQ_SOURCE_VBLANK2;
332	case VISLANDS30_IV_SRCID_D3_VERTICAL_INTERRUPT0:
333		return DC_IRQ_SOURCE_VBLANK3;
334	case VISLANDS30_IV_SRCID_D4_VERTICAL_INTERRUPT0:
335		return DC_IRQ_SOURCE_VBLANK4;
336	case VISLANDS30_IV_SRCID_D5_VERTICAL_INTERRUPT0:
337		return DC_IRQ_SOURCE_VBLANK5;
338	case VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0:
339		return DC_IRQ_SOURCE_VBLANK6;
340	case VISLANDS30_IV_SRCID_D1_V_UPDATE_INT:
341		return DC_IRQ_SOURCE_VUPDATE1;
342	case VISLANDS30_IV_SRCID_D2_V_UPDATE_INT:
343		return DC_IRQ_SOURCE_VUPDATE2;
344	case VISLANDS30_IV_SRCID_D3_V_UPDATE_INT:
345		return DC_IRQ_SOURCE_VUPDATE3;
346	case VISLANDS30_IV_SRCID_D4_V_UPDATE_INT:
347		return DC_IRQ_SOURCE_VUPDATE4;
348	case VISLANDS30_IV_SRCID_D5_V_UPDATE_INT:
349		return DC_IRQ_SOURCE_VUPDATE5;
350	case VISLANDS30_IV_SRCID_D6_V_UPDATE_INT:
351		return DC_IRQ_SOURCE_VUPDATE6;
352	case VISLANDS30_IV_SRCID_D1_GRPH_PFLIP:
353		return DC_IRQ_SOURCE_PFLIP1;
354	case VISLANDS30_IV_SRCID_D2_GRPH_PFLIP:
355		return DC_IRQ_SOURCE_PFLIP2;
356	case VISLANDS30_IV_SRCID_D3_GRPH_PFLIP:
357		return DC_IRQ_SOURCE_PFLIP3;
358	case VISLANDS30_IV_SRCID_D4_GRPH_PFLIP:
359		return DC_IRQ_SOURCE_PFLIP4;
360	case VISLANDS30_IV_SRCID_D5_GRPH_PFLIP:
361		return DC_IRQ_SOURCE_PFLIP5;
362	case VISLANDS30_IV_SRCID_D6_GRPH_PFLIP:
363		return DC_IRQ_SOURCE_PFLIP6;
364
365	case VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A:
366		/* generic src_id for all HPD and HPDRX interrupts */
367		switch (ext_id) {
368		case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_A:
369			return DC_IRQ_SOURCE_HPD1;
370		case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_B:
371			return DC_IRQ_SOURCE_HPD2;
372		case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_C:
373			return DC_IRQ_SOURCE_HPD3;
374		case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_D:
375			return DC_IRQ_SOURCE_HPD4;
376		case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_E:
377			return DC_IRQ_SOURCE_HPD5;
378		case VISLANDS30_IV_EXTID_HOTPLUG_DETECT_F:
379			return DC_IRQ_SOURCE_HPD6;
380		case VISLANDS30_IV_EXTID_HPD_RX_A:
381			return DC_IRQ_SOURCE_HPD1RX;
382		case VISLANDS30_IV_EXTID_HPD_RX_B:
383			return DC_IRQ_SOURCE_HPD2RX;
384		case VISLANDS30_IV_EXTID_HPD_RX_C:
385			return DC_IRQ_SOURCE_HPD3RX;
386		case VISLANDS30_IV_EXTID_HPD_RX_D:
387			return DC_IRQ_SOURCE_HPD4RX;
388		case VISLANDS30_IV_EXTID_HPD_RX_E:
389			return DC_IRQ_SOURCE_HPD5RX;
390		case VISLANDS30_IV_EXTID_HPD_RX_F:
391			return DC_IRQ_SOURCE_HPD6RX;
392		default:
393			return DC_IRQ_SOURCE_INVALID;
394		}
395		break;
396
397	default:
398		return DC_IRQ_SOURCE_INVALID;
399	}
400}
401
402static const struct irq_service_funcs irq_service_funcs_dce110 = {
403		.to_dal_irq_source = to_dal_irq_source_dce110
404};
405
406static void dce110_irq_construct(struct irq_service *irq_service,
407		      struct irq_service_init_data *init_data)
408{
409	dal_irq_service_construct(irq_service, init_data);
410
411	irq_service->info = irq_source_info_dce110;
412	irq_service->funcs = &irq_service_funcs_dce110;
413}
414
415struct irq_service *
416dal_irq_service_dce110_create(struct irq_service_init_data *init_data)
417{
418	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
419						  GFP_KERNEL);
420
421	if (!irq_service)
422		return NULL;
423
424	dce110_irq_construct(irq_service, init_data);
425	return irq_service;
426}
427