1/*
2 * Copyright 2018 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/*
27 * Pre-requisites: headers required by header of this unit
28 */
29#include "hw_translate_dcn20.h"
30
31#include "dm_services.h"
32#include "include/gpio_types.h"
33#include "../hw_translate.h"
34
35#include "dcn/dcn_1_0_offset.h"
36#include "dcn/dcn_1_0_sh_mask.h"
37#include "soc15_hw_ip.h"
38#include "vega10_ip_offset.h"
39
40
41
42/* begin *********************
43 * macros to expend register list macro defined in HW object header file */
44
45/* DCN */
46#define block HPD
47#define reg_num 0
48
49#undef BASE_INNER
50#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
51
52#define BASE(seg) BASE_INNER(seg)
53
54#undef REG
55#define REG(reg_name)\
56 BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name
57#define SF_HPD(reg_name, field_name, post_fix)\
58 .field_name = reg_name ## __ ## field_name ## post_fix
59
60
61/* macros to expend register list macro defined in HW object header file
62 * end *********************/
63
64
65static bool offset_to_id(
66 uint32_t offset,
67 uint32_t mask,
68 enum gpio_id *id,
69 uint32_t *en)
70{
71 switch (offset) {
72 /* GENERIC */
73 case REG(DC_GPIO_GENERIC_A):
74 *id = GPIO_ID_GENERIC;
75 switch (mask) {
76 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK:
77 *en = GPIO_GENERIC_A;
78 return true;
79 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK:
80 *en = GPIO_GENERIC_B;
81 return true;
82 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK:
83 *en = GPIO_GENERIC_C;
84 return true;
85 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK:
86 *en = GPIO_GENERIC_D;
87 return true;
88 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK:
89 *en = GPIO_GENERIC_E;
90 return true;
91 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK:
92 *en = GPIO_GENERIC_F;
93 return true;
94 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK:
95 *en = GPIO_GENERIC_G;
96 return true;
97 default:
98 ASSERT_CRITICAL(false);
99 return false;
100 }
101 break;
102 /* HPD */
103 case REG(DC_GPIO_HPD_A):
104 *id = GPIO_ID_HPD;
105 switch (mask) {
106 case DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK:
107 *en = GPIO_HPD_1;
108 return true;
109 case DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK:
110 *en = GPIO_HPD_2;
111 return true;
112 case DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK:
113 *en = GPIO_HPD_3;
114 return true;
115 case DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK:
116 *en = GPIO_HPD_4;
117 return true;
118 case DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK:
119 *en = GPIO_HPD_5;
120 return true;
121 case DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK:
122 *en = GPIO_HPD_6;
123 return true;
124 default:
125 ASSERT_CRITICAL(false);
126 return false;
127 }
128 break;
129 /* REG(DC_GPIO_GENLK_MASK */
130 case REG(DC_GPIO_GENLK_A):
131 *id = GPIO_ID_GSL;
132 switch (mask) {
133 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK:
134 *en = GPIO_GSL_GENLOCK_CLOCK;
135 return true;
136 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK:
137 *en = GPIO_GSL_GENLOCK_VSYNC;
138 return true;
139 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK:
140 *en = GPIO_GSL_SWAPLOCK_A;
141 return true;
142 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK:
143 *en = GPIO_GSL_SWAPLOCK_B;
144 return true;
145 default:
146 ASSERT_CRITICAL(false);
147 return false;
148 }
149 break;
150 /* DDC */
151 /* we don't care about the GPIO_ID for DDC
152 * in DdcHandle it will use GPIO_ID_DDC_DATA/GPIO_ID_DDC_CLOCK
153 * directly in the create method
154 */
155 case REG(DC_GPIO_DDC1_A):
156 *en = GPIO_DDC_LINE_DDC1;
157 return true;
158 case REG(DC_GPIO_DDC2_A):
159 *en = GPIO_DDC_LINE_DDC2;
160 return true;
161 case REG(DC_GPIO_DDC3_A):
162 *en = GPIO_DDC_LINE_DDC3;
163 return true;
164 case REG(DC_GPIO_DDC4_A):
165 *en = GPIO_DDC_LINE_DDC4;
166 return true;
167 case REG(DC_GPIO_DDC5_A):
168 *en = GPIO_DDC_LINE_DDC5;
169 return true;
170 case REG(DC_GPIO_DDC6_A):
171 *en = GPIO_DDC_LINE_DDC6;
172 return true;
173 case REG(DC_GPIO_DDCVGA_A):
174 *en = GPIO_DDC_LINE_DDC_VGA;
175 return true;
176
177/*
178 * case REG(DC_GPIO_I2CPAD_A): not exit
179 * case REG(DC_GPIO_PWRSEQ_A):
180 * case REG(DC_GPIO_PAD_STRENGTH_1):
181 * case REG(DC_GPIO_PAD_STRENGTH_2):
182 * case REG(DC_GPIO_DEBUG):
183 */
184 /* UNEXPECTED */
185 default:
186/* case REG(DC_GPIO_SYNCA_A): not exist */
187 ASSERT_CRITICAL(false);
188 return false;
189 }
190}
191
192static bool id_to_offset(
193 enum gpio_id id,
194 uint32_t en,
195 struct gpio_pin_info *info)
196{
197 bool result = true;
198
199 switch (id) {
200 case GPIO_ID_DDC_DATA:
201 info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6DATA_A_MASK;
202 switch (en) {
203 case GPIO_DDC_LINE_DDC1:
204 info->offset = REG(DC_GPIO_DDC1_A);
205 break;
206 case GPIO_DDC_LINE_DDC2:
207 info->offset = REG(DC_GPIO_DDC2_A);
208 break;
209 case GPIO_DDC_LINE_DDC3:
210 info->offset = REG(DC_GPIO_DDC3_A);
211 break;
212 case GPIO_DDC_LINE_DDC4:
213 info->offset = REG(DC_GPIO_DDC4_A);
214 break;
215 case GPIO_DDC_LINE_DDC5:
216 info->offset = REG(DC_GPIO_DDC5_A);
217 break;
218 case GPIO_DDC_LINE_DDC6:
219 info->offset = REG(DC_GPIO_DDC6_A);
220 break;
221 case GPIO_DDC_LINE_DDC_VGA:
222 info->offset = REG(DC_GPIO_DDCVGA_A);
223 break;
224 case GPIO_DDC_LINE_I2C_PAD:
225 default:
226 ASSERT_CRITICAL(false);
227 result = false;
228 }
229 break;
230 case GPIO_ID_DDC_CLOCK:
231 info->mask = DC_GPIO_DDC6_A__DC_GPIO_DDC6CLK_A_MASK;
232 switch (en) {
233 case GPIO_DDC_LINE_DDC1:
234 info->offset = REG(DC_GPIO_DDC1_A);
235 break;
236 case GPIO_DDC_LINE_DDC2:
237 info->offset = REG(DC_GPIO_DDC2_A);
238 break;
239 case GPIO_DDC_LINE_DDC3:
240 info->offset = REG(DC_GPIO_DDC3_A);
241 break;
242 case GPIO_DDC_LINE_DDC4:
243 info->offset = REG(DC_GPIO_DDC4_A);
244 break;
245 case GPIO_DDC_LINE_DDC5:
246 info->offset = REG(DC_GPIO_DDC5_A);
247 break;
248 case GPIO_DDC_LINE_DDC6:
249 info->offset = REG(DC_GPIO_DDC6_A);
250 break;
251 case GPIO_DDC_LINE_DDC_VGA:
252 info->offset = REG(DC_GPIO_DDCVGA_A);
253 break;
254 case GPIO_DDC_LINE_I2C_PAD:
255 default:
256 ASSERT_CRITICAL(false);
257 result = false;
258 }
259 break;
260 case GPIO_ID_GENERIC:
261 info->offset = REG(DC_GPIO_GENERIC_A);
262 switch (en) {
263 case GPIO_GENERIC_A:
264 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK;
265 break;
266 case GPIO_GENERIC_B:
267 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK;
268 break;
269 case GPIO_GENERIC_C:
270 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK;
271 break;
272 case GPIO_GENERIC_D:
273 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK;
274 break;
275 case GPIO_GENERIC_E:
276 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK;
277 break;
278 case GPIO_GENERIC_F:
279 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK;
280 break;
281 case GPIO_GENERIC_G:
282 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK;
283 break;
284 default:
285 ASSERT_CRITICAL(false);
286 result = false;
287 }
288 break;
289 case GPIO_ID_HPD:
290 info->offset = REG(DC_GPIO_HPD_A);
291 switch (en) {
292 case GPIO_HPD_1:
293 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK;
294 break;
295 case GPIO_HPD_2:
296 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK;
297 break;
298 case GPIO_HPD_3:
299 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK;
300 break;
301 case GPIO_HPD_4:
302 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK;
303 break;
304 case GPIO_HPD_5:
305 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK;
306 break;
307 case GPIO_HPD_6:
308 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK;
309 break;
310 default:
311 ASSERT_CRITICAL(false);
312 result = false;
313 }
314 break;
315 case GPIO_ID_GSL:
316 switch (en) {
317 case GPIO_GSL_GENLOCK_CLOCK:
318 /*not implmented*/
319 ASSERT_CRITICAL(false);
320 result = false;
321 break;
322 case GPIO_GSL_GENLOCK_VSYNC:
323 /*not implmented*/
324 ASSERT_CRITICAL(false);
325 result = false;
326 break;
327 case GPIO_GSL_SWAPLOCK_A:
328 /*not implmented*/
329 ASSERT_CRITICAL(false);
330 result = false;
331 break;
332 case GPIO_GSL_SWAPLOCK_B:
333 /*not implmented*/
334 ASSERT_CRITICAL(false);
335 result = false;
336
337 break;
338 default:
339 ASSERT_CRITICAL(false);
340 result = false;
341 }
342 break;
343 case GPIO_ID_SYNC:
344 case GPIO_ID_VIP_PAD:
345 default:
346 ASSERT_CRITICAL(false);
347 result = false;
348 }
349
350 if (result) {
351 info->offset_y = info->offset + 2;
352 info->offset_en = info->offset + 1;
353 info->offset_mask = info->offset - 1;
354
355 info->mask_y = info->mask;
356 info->mask_en = info->mask;
357 info->mask_mask = info->mask;
358 }
359
360 return result;
361}
362
363/* function table */
364static const struct hw_translate_funcs funcs = {
365 .offset_to_id = offset_to_id,
366 .id_to_offset = id_to_offset,
367};
368
369/*
370 * dal_hw_translate_dcn10_init
371 *
372 * @brief
373 * Initialize Hw translate function pointers.
374 *
375 * @param
376 * struct hw_translate *tr - [out] struct of function pointers
377 *
378 */
379void dal_hw_translate_dcn20_init(struct hw_translate *tr)
380{
381 tr->funcs = &funcs;
382}
383
384

source code of linux/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_translate_dcn20.c