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_dce120.h"
31 #include "../dce110/irq_service_dce110.h"
32
33 #include "dce/dce_12_0_offset.h"
34 #include "dce/dce_12_0_sh_mask.h"
35 #include "soc15_hw_ip.h"
36 #include "vega10_ip_offset.h"
37
38 #include "ivsrcid/ivsrcid_vislands30.h"
39
hpd_ack(struct irq_service * irq_service,const struct irq_source_info * info)40 static bool hpd_ack(
41 struct irq_service *irq_service,
42 const struct irq_source_info *info)
43 {
44 uint32_t addr = info->status_reg;
45 uint32_t value = dm_read_reg(irq_service->ctx, addr);
46 uint32_t current_status =
47 get_reg_field_value(
48 value,
49 HPD0_DC_HPD_INT_STATUS,
50 DC_HPD_SENSE_DELAYED);
51
52 dal_irq_service_ack_generic(irq_service, info);
53
54 value = dm_read_reg(irq_service->ctx, info->enable_reg);
55
56 set_reg_field_value(
57 value,
58 current_status ? 0 : 1,
59 HPD0_DC_HPD_INT_CONTROL,
60 DC_HPD_INT_POLARITY);
61
62 dm_write_reg(irq_service->ctx, info->enable_reg, value);
63
64 return true;
65 }
66
67 static struct irq_source_info_funcs hpd_irq_info_funcs = {
68 .set = NULL,
69 .ack = hpd_ack
70 };
71
72 static struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
73 .set = NULL,
74 .ack = NULL
75 };
76
77 static struct irq_source_info_funcs pflip_irq_info_funcs = {
78 .set = NULL,
79 .ack = NULL
80 };
81
82 static struct irq_source_info_funcs vblank_irq_info_funcs = {
83 .set = dce110_vblank_set,
84 .ack = NULL
85 };
86
87 static struct irq_source_info_funcs vupdate_irq_info_funcs = {
88 .set = NULL,
89 .ack = NULL
90 };
91
92 #define BASE_INNER(seg) \
93 DCE_BASE__INST0_SEG ## seg
94
95 #define BASE(seg) \
96 BASE_INNER(seg)
97
98 #define SRI(reg_name, block, id)\
99 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
100 mm ## block ## id ## _ ## reg_name
101
102
103 #define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\
104 .enable_reg = SRI(reg1, block, reg_num),\
105 .enable_mask = \
106 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
107 .enable_value = {\
108 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
109 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \
110 },\
111 .ack_reg = SRI(reg2, block, reg_num),\
112 .ack_mask = \
113 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
114 .ack_value = \
115 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \
116
117 #define hpd_int_entry(reg_num)\
118 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\
119 IRQ_REG_ENTRY(HPD, reg_num,\
120 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
121 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
122 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
123 .funcs = &hpd_irq_info_funcs\
124 }
125
126 #define hpd_rx_int_entry(reg_num)\
127 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\
128 IRQ_REG_ENTRY(HPD, reg_num,\
129 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
130 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
131 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
132 .funcs = &hpd_rx_irq_info_funcs\
133 }
134 #define pflip_int_entry(reg_num)\
135 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\
136 IRQ_REG_ENTRY(DCP, reg_num, \
137 GRPH_INTERRUPT_CONTROL, GRPH_PFLIP_INT_MASK, \
138 GRPH_INTERRUPT_STATUS, GRPH_PFLIP_INT_CLEAR),\
139 .status_reg = SRI(GRPH_INTERRUPT_STATUS, DCP, reg_num),\
140 .funcs = &pflip_irq_info_funcs\
141 }
142
143 #define vupdate_int_entry(reg_num)\
144 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\
145 IRQ_REG_ENTRY(CRTC, reg_num,\
146 CRTC_INTERRUPT_CONTROL, CRTC_V_UPDATE_INT_MSK,\
147 CRTC_V_UPDATE_INT_STATUS, CRTC_V_UPDATE_INT_CLEAR),\
148 .funcs = &vupdate_irq_info_funcs\
149 }
150
151 #define vblank_int_entry(reg_num)\
152 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\
153 IRQ_REG_ENTRY(CRTC, reg_num,\
154 CRTC_VERTICAL_INTERRUPT0_CONTROL, CRTC_VERTICAL_INTERRUPT0_INT_ENABLE,\
155 CRTC_VERTICAL_INTERRUPT0_CONTROL, CRTC_VERTICAL_INTERRUPT0_CLEAR),\
156 .funcs = &vblank_irq_info_funcs,\
157 .src_id = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0 + reg_num\
158 }
159
160 #define dummy_irq_entry() \
161 {\
162 .funcs = &dummy_irq_info_funcs\
163 }
164
165 #define i2c_int_entry(reg_num) \
166 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()
167
168 #define dp_sink_int_entry(reg_num) \
169 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()
170
171 #define gpio_pad_int_entry(reg_num) \
172 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()
173
174 #define dc_underflow_int_entry(reg_num) \
175 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()
176
177 static struct irq_source_info_funcs dummy_irq_info_funcs = {
178 .set = dal_irq_service_dummy_set,
179 .ack = dal_irq_service_dummy_ack
180 };
181
182 static const struct irq_source_info
183 irq_source_info_dce120[DAL_IRQ_SOURCES_NUMBER] = {
184 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
185 hpd_int_entry(0),
186 hpd_int_entry(1),
187 hpd_int_entry(2),
188 hpd_int_entry(3),
189 hpd_int_entry(4),
190 hpd_int_entry(5),
191 hpd_rx_int_entry(0),
192 hpd_rx_int_entry(1),
193 hpd_rx_int_entry(2),
194 hpd_rx_int_entry(3),
195 hpd_rx_int_entry(4),
196 hpd_rx_int_entry(5),
197 i2c_int_entry(1),
198 i2c_int_entry(2),
199 i2c_int_entry(3),
200 i2c_int_entry(4),
201 i2c_int_entry(5),
202 i2c_int_entry(6),
203 dp_sink_int_entry(1),
204 dp_sink_int_entry(2),
205 dp_sink_int_entry(3),
206 dp_sink_int_entry(4),
207 dp_sink_int_entry(5),
208 dp_sink_int_entry(6),
209 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
210 pflip_int_entry(0),
211 pflip_int_entry(1),
212 pflip_int_entry(2),
213 pflip_int_entry(3),
214 pflip_int_entry(4),
215 pflip_int_entry(5),
216 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
217 gpio_pad_int_entry(0),
218 gpio_pad_int_entry(1),
219 gpio_pad_int_entry(2),
220 gpio_pad_int_entry(3),
221 gpio_pad_int_entry(4),
222 gpio_pad_int_entry(5),
223 gpio_pad_int_entry(6),
224 gpio_pad_int_entry(7),
225 gpio_pad_int_entry(8),
226 gpio_pad_int_entry(9),
227 gpio_pad_int_entry(10),
228 gpio_pad_int_entry(11),
229 gpio_pad_int_entry(12),
230 gpio_pad_int_entry(13),
231 gpio_pad_int_entry(14),
232 gpio_pad_int_entry(15),
233 gpio_pad_int_entry(16),
234 gpio_pad_int_entry(17),
235 gpio_pad_int_entry(18),
236 gpio_pad_int_entry(19),
237 gpio_pad_int_entry(20),
238 gpio_pad_int_entry(21),
239 gpio_pad_int_entry(22),
240 gpio_pad_int_entry(23),
241 gpio_pad_int_entry(24),
242 gpio_pad_int_entry(25),
243 gpio_pad_int_entry(26),
244 gpio_pad_int_entry(27),
245 gpio_pad_int_entry(28),
246 gpio_pad_int_entry(29),
247 gpio_pad_int_entry(30),
248 dc_underflow_int_entry(1),
249 dc_underflow_int_entry(2),
250 dc_underflow_int_entry(3),
251 dc_underflow_int_entry(4),
252 dc_underflow_int_entry(5),
253 dc_underflow_int_entry(6),
254 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
255 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
256 vupdate_int_entry(0),
257 vupdate_int_entry(1),
258 vupdate_int_entry(2),
259 vupdate_int_entry(3),
260 vupdate_int_entry(4),
261 vupdate_int_entry(5),
262 vblank_int_entry(0),
263 vblank_int_entry(1),
264 vblank_int_entry(2),
265 vblank_int_entry(3),
266 vblank_int_entry(4),
267 vblank_int_entry(5),
268 };
269
270 static const struct irq_service_funcs irq_service_funcs_dce120 = {
271 .to_dal_irq_source = to_dal_irq_source_dce110
272 };
273
dce120_irq_construct(struct irq_service * irq_service,struct irq_service_init_data * init_data)274 static void dce120_irq_construct(
275 struct irq_service *irq_service,
276 struct irq_service_init_data *init_data)
277 {
278 dal_irq_service_construct(irq_service, init_data);
279
280 irq_service->info = irq_source_info_dce120;
281 irq_service->funcs = &irq_service_funcs_dce120;
282 }
283
dal_irq_service_dce120_create(struct irq_service_init_data * init_data)284 struct irq_service *dal_irq_service_dce120_create(
285 struct irq_service_init_data *init_data)
286 {
287 struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
288 GFP_KERNEL);
289
290 if (!irq_service)
291 return NULL;
292
293 dce120_irq_construct(irq_service, init_data);
294 return irq_service;
295 }
296