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_dcn21.h"
30
31#include "dm_services.h"
32#include "include/gpio_types.h"
33#include "../hw_translate.h"
34
35#include "dcn/dcn_2_1_0_offset.h"
36#include "dcn/dcn_2_1_0_sh_mask.h"
37#include "renoir_ip_offset.h"
38
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) DMU_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/* macros to expend register list macro defined in HW object header file
61 * end *********************/
62
63
64static bool offset_to_id(
65 uint32_t offset,
66 uint32_t mask,
67 enum gpio_id *id,
68 uint32_t *en)
69{
70 switch (offset) {
71 /* GENERIC */
72 case REG(DC_GPIO_GENERIC_A):
73 *id = GPIO_ID_GENERIC;
74 switch (mask) {
75 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK:
76 *en = GPIO_GENERIC_A;
77 return true;
78 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK:
79 *en = GPIO_GENERIC_B;
80 return true;
81 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK:
82 *en = GPIO_GENERIC_C;
83 return true;
84 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK:
85 *en = GPIO_GENERIC_D;
86 return true;
87 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK:
88 *en = GPIO_GENERIC_E;
89 return true;
90 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK:
91 *en = GPIO_GENERIC_F;
92 return true;
93 case DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK:
94 *en = GPIO_GENERIC_G;
95 return true;
96 default:
97 ASSERT_CRITICAL(false);
98#ifdef PALLADIUM_SUPPORTED
99 *en = GPIO_DDC_LINE_DDC1;
100 return true;
101#endif
102 return false;
103 }
104 break;
105 /* HPD */
106 case REG(DC_GPIO_HPD_A):
107 *id = GPIO_ID_HPD;
108 switch (mask) {
109 case DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK:
110 *en = GPIO_HPD_1;
111 return true;
112 case DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK:
113 *en = GPIO_HPD_2;
114 return true;
115 case DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK:
116 *en = GPIO_HPD_3;
117 return true;
118 case DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK:
119 *en = GPIO_HPD_4;
120 return true;
121 case DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK:
122 *en = GPIO_HPD_5;
123 return true;
124 case DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK:
125 *en = GPIO_HPD_6;
126 return true;
127 default:
128 ASSERT_CRITICAL(false);
129 return false;
130 }
131 break;
132 /* REG(DC_GPIO_GENLK_MASK */
133 case REG(DC_GPIO_GENLK_A):
134 *id = GPIO_ID_GSL;
135 switch (mask) {
136 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_CLK_A_MASK:
137 *en = GPIO_GSL_GENLOCK_CLOCK;
138 return true;
139 case DC_GPIO_GENLK_A__DC_GPIO_GENLK_VSYNC_A_MASK:
140 *en = GPIO_GSL_GENLOCK_VSYNC;
141 return true;
142 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_A_A_MASK:
143 *en = GPIO_GSL_SWAPLOCK_A;
144 return true;
145 case DC_GPIO_GENLK_A__DC_GPIO_SWAPLOCK_B_A_MASK:
146 *en = GPIO_GSL_SWAPLOCK_B;
147 return true;
148 default:
149 ASSERT_CRITICAL(false);
150 return false;
151 }
152 break;
153 /* DDC */
154 /* we don't care about the GPIO_ID for DDC
155 * in DdcHandle it will use GPIO_ID_DDC_DATA/GPIO_ID_DDC_CLOCK
156 * directly in the create method
157 */
158 case REG(DC_GPIO_DDC1_A):
159 *en = GPIO_DDC_LINE_DDC1;
160 return true;
161 case REG(DC_GPIO_DDC2_A):
162 *en = GPIO_DDC_LINE_DDC2;
163 return true;
164 case REG(DC_GPIO_DDC3_A):
165 *en = GPIO_DDC_LINE_DDC3;
166 return true;
167 case REG(DC_GPIO_DDC4_A):
168 *en = GPIO_DDC_LINE_DDC4;
169 return true;
170 case REG(DC_GPIO_DDC5_A):
171 *en = GPIO_DDC_LINE_DDC5;
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 exista */
187#ifdef PALLADIUM_SUPPORTED
188 *id = GPIO_ID_HPD;
189 *en = GPIO_DDC_LINE_DDC1;
190 return true;
191#endif
192 ASSERT_CRITICAL(false);
193 return false;
194 }
195}
196
197static bool id_to_offset(
198 enum gpio_id id,
199 uint32_t en,
200 struct gpio_pin_info *info)
201{
202 bool result = true;
203
204 switch (id) {
205 case GPIO_ID_DDC_DATA:
206 info->mask = DC_GPIO_DDC5_A__DC_GPIO_DDC5DATA_A_MASK;
207 switch (en) {
208 case GPIO_DDC_LINE_DDC1:
209 info->offset = REG(DC_GPIO_DDC1_A);
210 break;
211 case GPIO_DDC_LINE_DDC2:
212 info->offset = REG(DC_GPIO_DDC2_A);
213 break;
214 case GPIO_DDC_LINE_DDC3:
215 info->offset = REG(DC_GPIO_DDC3_A);
216 break;
217 case GPIO_DDC_LINE_DDC4:
218 info->offset = REG(DC_GPIO_DDC4_A);
219 break;
220 case GPIO_DDC_LINE_DDC5:
221 info->offset = REG(DC_GPIO_DDC5_A);
222 break;
223 case GPIO_DDC_LINE_DDC_VGA:
224 info->offset = REG(DC_GPIO_DDCVGA_A);
225 break;
226 case GPIO_DDC_LINE_I2C_PAD:
227 default:
228 ASSERT_CRITICAL(false);
229 result = false;
230 }
231 break;
232 case GPIO_ID_DDC_CLOCK:
233 info->mask = DC_GPIO_DDC5_A__DC_GPIO_DDC5CLK_A_MASK;
234 switch (en) {
235 case GPIO_DDC_LINE_DDC1:
236 info->offset = REG(DC_GPIO_DDC1_A);
237 break;
238 case GPIO_DDC_LINE_DDC2:
239 info->offset = REG(DC_GPIO_DDC2_A);
240 break;
241 case GPIO_DDC_LINE_DDC3:
242 info->offset = REG(DC_GPIO_DDC3_A);
243 break;
244 case GPIO_DDC_LINE_DDC4:
245 info->offset = REG(DC_GPIO_DDC4_A);
246 break;
247 case GPIO_DDC_LINE_DDC5:
248 info->offset = REG(DC_GPIO_DDC5_A);
249 break;
250 case GPIO_DDC_LINE_DDC_VGA:
251 info->offset = REG(DC_GPIO_DDCVGA_A);
252 break;
253 case GPIO_DDC_LINE_I2C_PAD:
254 default:
255 ASSERT_CRITICAL(false);
256 result = false;
257 }
258 break;
259 case GPIO_ID_GENERIC:
260 info->offset = REG(DC_GPIO_GENERIC_A);
261 switch (en) {
262 case GPIO_GENERIC_A:
263 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICA_A_MASK;
264 break;
265 case GPIO_GENERIC_B:
266 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICB_A_MASK;
267 break;
268 case GPIO_GENERIC_C:
269 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICC_A_MASK;
270 break;
271 case GPIO_GENERIC_D:
272 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICD_A_MASK;
273 break;
274 case GPIO_GENERIC_E:
275 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICE_A_MASK;
276 break;
277 case GPIO_GENERIC_F:
278 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICF_A_MASK;
279 break;
280 case GPIO_GENERIC_G:
281 info->mask = DC_GPIO_GENERIC_A__DC_GPIO_GENERICG_A_MASK;
282 break;
283 default:
284 ASSERT_CRITICAL(false);
285 result = false;
286 }
287 break;
288 case GPIO_ID_HPD:
289 info->offset = REG(DC_GPIO_HPD_A);
290 switch (en) {
291 case GPIO_HPD_1:
292 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK;
293 break;
294 case GPIO_HPD_2:
295 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD2_A_MASK;
296 break;
297 case GPIO_HPD_3:
298 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD3_A_MASK;
299 break;
300 case GPIO_HPD_4:
301 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD4_A_MASK;
302 break;
303 case GPIO_HPD_5:
304 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD5_A_MASK;
305 break;
306 case GPIO_HPD_6:
307 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD6_A_MASK;
308 break;
309 default:
310 ASSERT_CRITICAL(false);
311#ifdef PALLADIUM_SUPPORTED
312 info->mask = DC_GPIO_HPD_A__DC_GPIO_HPD1_A_MASK;
313 result = true;
314#endif
315 result = false;
316 }
317 break;
318 case GPIO_ID_GSL:
319 switch (en) {
320 case GPIO_GSL_GENLOCK_CLOCK:
321 /*not implmented*/
322 ASSERT_CRITICAL(false);
323 result = false;
324 break;
325 case GPIO_GSL_GENLOCK_VSYNC:
326 /*not implmented*/
327 ASSERT_CRITICAL(false);
328 result = false;
329 break;
330 case GPIO_GSL_SWAPLOCK_A:
331 /*not implmented*/
332 ASSERT_CRITICAL(false);
333 result = false;
334 break;
335 case GPIO_GSL_SWAPLOCK_B:
336 /*not implmented*/
337 ASSERT_CRITICAL(false);
338 result = false;
339
340 break;
341 default:
342 ASSERT_CRITICAL(false);
343 result = false;
344 }
345 break;
346 case GPIO_ID_SYNC:
347 case GPIO_ID_VIP_PAD:
348 default:
349 ASSERT_CRITICAL(false);
350 result = false;
351 }
352
353 if (result) {
354 info->offset_y = info->offset + 2;
355 info->offset_en = info->offset + 1;
356 info->offset_mask = info->offset - 1;
357
358 info->mask_y = info->mask;
359 info->mask_en = info->mask;
360 info->mask_mask = info->mask;
361 }
362
363 return result;
364}
365
366/* function table */
367static const struct hw_translate_funcs funcs = {
368 .offset_to_id = offset_to_id,
369 .id_to_offset = id_to_offset,
370};
371
372/*
373 * dal_hw_translate_dcn10_init
374 *
375 * @brief
376 * Initialize Hw translate function pointers.
377 *
378 * @param
379 * struct hw_translate *tr - [out] struct of function pointers
380 *
381 */
382void dal_hw_translate_dcn21_init(struct hw_translate *tr)
383{
384 tr->funcs = &funcs;
385}
386
387

source code of linux/drivers/gpu/drm/amd/display/dc/gpio/dcn21/hw_translate_dcn21.c