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_dce80.h"
31 #include "../dce110/irq_service_dce110.h"
32
33 #include "dce/dce_8_0_d.h"
34 #include "dce/dce_8_0_sh_mask.h"
35
36 #include "ivsrcid/ivsrcid_vislands30.h"
37
38 #include "dc_types.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 DC_HPD1_INT_STATUS,
50 DC_HPD1_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 DC_HPD1_INT_CONTROL,
60 DC_HPD1_INT_POLARITY);
61
62 dm_write_reg(irq_service->ctx, info->enable_reg, value);
63
64 return true;
65 }
66
67 static const struct irq_source_info_funcs hpd_irq_info_funcs = {
68 .set = NULL,
69 .ack = hpd_ack
70 };
71
72 static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
73 .set = NULL,
74 .ack = NULL
75 };
76
77 static const struct irq_source_info_funcs pflip_irq_info_funcs = {
78 .set = NULL,
79 .ack = NULL
80 };
81
82 static const struct irq_source_info_funcs vblank_irq_info_funcs = {
83 .set = dce110_vblank_set,
84 .ack = NULL
85 };
86
87
88 #define hpd_int_entry(reg_num)\
89 [DC_IRQ_SOURCE_INVALID + reg_num] = {\
90 .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\
91 .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\
92 .enable_value = {\
93 DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\
94 ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK\
95 },\
96 .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\
97 .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\
98 .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\
99 .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\
100 .funcs = &hpd_irq_info_funcs\
101 }
102
103 #define hpd_rx_int_entry(reg_num)\
104 [DC_IRQ_SOURCE_HPD6 + reg_num] = {\
105 .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\
106 .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\
107 .enable_value = {\
108 DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\
109 ~DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK },\
110 .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\
111 .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\
112 .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\
113 .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\
114 .funcs = &hpd_rx_irq_info_funcs\
115 }
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 = &vblank_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
182
183 static const struct irq_source_info_funcs dummy_irq_info_funcs = {
184 .set = dal_irq_service_dummy_set,
185 .ack = dal_irq_service_dummy_ack
186 };
187
188 static const struct irq_source_info
189 irq_source_info_dce80[DAL_IRQ_SOURCES_NUMBER] = {
190 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
191 hpd_int_entry(1),
192 hpd_int_entry(2),
193 hpd_int_entry(3),
194 hpd_int_entry(4),
195 hpd_int_entry(5),
196 hpd_int_entry(6),
197 hpd_rx_int_entry(1),
198 hpd_rx_int_entry(2),
199 hpd_rx_int_entry(3),
200 hpd_rx_int_entry(4),
201 hpd_rx_int_entry(5),
202 hpd_rx_int_entry(6),
203 i2c_int_entry(1),
204 i2c_int_entry(2),
205 i2c_int_entry(3),
206 i2c_int_entry(4),
207 i2c_int_entry(5),
208 i2c_int_entry(6),
209 dp_sink_int_entry(1),
210 dp_sink_int_entry(2),
211 dp_sink_int_entry(3),
212 dp_sink_int_entry(4),
213 dp_sink_int_entry(5),
214 dp_sink_int_entry(6),
215 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
216 pflip_int_entry(0),
217 pflip_int_entry(1),
218 pflip_int_entry(2),
219 pflip_int_entry(3),
220 pflip_int_entry(4),
221 pflip_int_entry(5),
222 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
223 gpio_pad_int_entry(0),
224 gpio_pad_int_entry(1),
225 gpio_pad_int_entry(2),
226 gpio_pad_int_entry(3),
227 gpio_pad_int_entry(4),
228 gpio_pad_int_entry(5),
229 gpio_pad_int_entry(6),
230 gpio_pad_int_entry(7),
231 gpio_pad_int_entry(8),
232 gpio_pad_int_entry(9),
233 gpio_pad_int_entry(10),
234 gpio_pad_int_entry(11),
235 gpio_pad_int_entry(12),
236 gpio_pad_int_entry(13),
237 gpio_pad_int_entry(14),
238 gpio_pad_int_entry(15),
239 gpio_pad_int_entry(16),
240 gpio_pad_int_entry(17),
241 gpio_pad_int_entry(18),
242 gpio_pad_int_entry(19),
243 gpio_pad_int_entry(20),
244 gpio_pad_int_entry(21),
245 gpio_pad_int_entry(22),
246 gpio_pad_int_entry(23),
247 gpio_pad_int_entry(24),
248 gpio_pad_int_entry(25),
249 gpio_pad_int_entry(26),
250 gpio_pad_int_entry(27),
251 gpio_pad_int_entry(28),
252 gpio_pad_int_entry(29),
253 gpio_pad_int_entry(30),
254 dc_underflow_int_entry(1),
255 dc_underflow_int_entry(2),
256 dc_underflow_int_entry(3),
257 dc_underflow_int_entry(4),
258 dc_underflow_int_entry(5),
259 dc_underflow_int_entry(6),
260 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
261 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
262 vupdate_int_entry(0),
263 vupdate_int_entry(1),
264 vupdate_int_entry(2),
265 vupdate_int_entry(3),
266 vupdate_int_entry(4),
267 vupdate_int_entry(5),
268 vblank_int_entry(0),
269 vblank_int_entry(1),
270 vblank_int_entry(2),
271 vblank_int_entry(3),
272 vblank_int_entry(4),
273 vblank_int_entry(5),
274 };
275
276 static const struct irq_service_funcs irq_service_funcs_dce80 = {
277 .to_dal_irq_source = to_dal_irq_source_dce110
278 };
279
construct(struct irq_service * irq_service,struct irq_service_init_data * init_data)280 static void construct(
281 struct irq_service *irq_service,
282 struct irq_service_init_data *init_data)
283 {
284 dal_irq_service_construct(irq_service, init_data);
285
286 irq_service->info = irq_source_info_dce80;
287 irq_service->funcs = &irq_service_funcs_dce80;
288 }
289
dal_irq_service_dce80_create(struct irq_service_init_data * init_data)290 struct irq_service *dal_irq_service_dce80_create(
291 struct irq_service_init_data *init_data)
292 {
293 struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
294 GFP_KERNEL);
295
296 if (!irq_service)
297 return NULL;
298
299 construct(irq_service, init_data);
300 return irq_service;
301 }
302
303
304