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 "reg_helper.h"
27 #include "dcn10_mpc.h"
28 
29 #define REG(reg)\
30 	mpc10->mpc_regs->reg
31 
32 #define CTX \
33 	mpc10->base.ctx
34 
35 #undef FN
36 #define FN(reg_name, field_name) \
37 	mpc10->mpc_shift->field_name, mpc10->mpc_mask->field_name
38 
39 
40 void mpc1_set_bg_color(struct mpc *mpc,
41 		struct tg_color *bg_color,
42 		int mpcc_id)
43 {
44 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
45 	struct mpcc *bottommost_mpcc = mpc1_get_mpcc(mpc, mpcc_id);
46 	uint32_t bg_r_cr, bg_g_y, bg_b_cb;
47 
48 	bottommost_mpcc->blnd_cfg.black_color = *bg_color;
49 
50 	/* find bottommost mpcc. */
51 	while (bottommost_mpcc->mpcc_bot) {
52 		/* avoid circular linked link */
53 		ASSERT(bottommost_mpcc != bottommost_mpcc->mpcc_bot);
54 		if (bottommost_mpcc == bottommost_mpcc->mpcc_bot)
55 			break;
56 
57 		bottommost_mpcc = bottommost_mpcc->mpcc_bot;
58 	}
59 
60 	/* mpc color is 12 bit.  tg_color is 10 bit */
61 	/* todo: might want to use 16 bit to represent color and have each
62 	 * hw block translate to correct color depth.
63 	 */
64 	bg_r_cr = bg_color->color_r_cr << 2;
65 	bg_g_y = bg_color->color_g_y << 2;
66 	bg_b_cb = bg_color->color_b_cb << 2;
67 
68 	REG_SET(MPCC_BG_R_CR[bottommost_mpcc->mpcc_id], 0,
69 			MPCC_BG_R_CR, bg_r_cr);
70 	REG_SET(MPCC_BG_G_Y[bottommost_mpcc->mpcc_id], 0,
71 			MPCC_BG_G_Y, bg_g_y);
72 	REG_SET(MPCC_BG_B_CB[bottommost_mpcc->mpcc_id], 0,
73 			MPCC_BG_B_CB, bg_b_cb);
74 }
75 
76 static void mpc1_update_blending(
77 	struct mpc *mpc,
78 	struct mpcc_blnd_cfg *blnd_cfg,
79 	int mpcc_id)
80 {
81 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
82 	struct mpcc *mpcc = mpc1_get_mpcc(mpc, mpcc_id);
83 
84 	REG_UPDATE_5(MPCC_CONTROL[mpcc_id],
85 			MPCC_ALPHA_BLND_MODE,		blnd_cfg->alpha_mode,
86 			MPCC_ALPHA_MULTIPLIED_MODE,	blnd_cfg->pre_multiplied_alpha,
87 			MPCC_BLND_ACTIVE_OVERLAP_ONLY,	blnd_cfg->overlap_only,
88 			MPCC_GLOBAL_ALPHA,		blnd_cfg->global_alpha,
89 			MPCC_GLOBAL_GAIN,		blnd_cfg->global_gain);
90 
91 	mpcc->blnd_cfg = *blnd_cfg;
92 }
93 
94 void mpc1_update_stereo_mix(
95 	struct mpc *mpc,
96 	struct mpcc_sm_cfg *sm_cfg,
97 	int mpcc_id)
98 {
99 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
100 
101 	REG_UPDATE_6(MPCC_SM_CONTROL[mpcc_id],
102 			MPCC_SM_EN,			sm_cfg->enable,
103 			MPCC_SM_MODE,			sm_cfg->sm_mode,
104 			MPCC_SM_FRAME_ALT,		sm_cfg->frame_alt,
105 			MPCC_SM_FIELD_ALT,		sm_cfg->field_alt,
106 			MPCC_SM_FORCE_NEXT_FRAME_POL,	sm_cfg->force_next_frame_porlarity,
107 			MPCC_SM_FORCE_NEXT_TOP_POL,	sm_cfg->force_next_field_polarity);
108 }
109 void mpc1_assert_idle_mpcc(struct mpc *mpc, int id)
110 {
111 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
112 
113 	ASSERT(!(mpc10->mpcc_in_use_mask & 1 << id));
114 	REG_WAIT(MPCC_STATUS[id],
115 			MPCC_IDLE, 1,
116 			1, 100000);
117 }
118 
119 struct mpcc *mpc1_get_mpcc(struct mpc *mpc, int mpcc_id)
120 {
121 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
122 
123 	ASSERT(mpcc_id < mpc10->num_mpcc);
124 	return &(mpc->mpcc_array[mpcc_id]);
125 }
126 
127 struct mpcc *mpc1_get_mpcc_for_dpp(struct mpc_tree *tree, int dpp_id)
128 {
129 	struct mpcc *tmp_mpcc = tree->opp_list;
130 
131 	while (tmp_mpcc != NULL) {
132 		if (tmp_mpcc->dpp_id == dpp_id)
133 			return tmp_mpcc;
134 		tmp_mpcc = tmp_mpcc->mpcc_bot;
135 	}
136 	return NULL;
137 }
138 
139 bool mpc1_is_mpcc_idle(struct mpc *mpc, int mpcc_id)
140 {
141 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
142 	unsigned int top_sel;
143 	unsigned int opp_id;
144 	unsigned int idle;
145 
146 	REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
147 	REG_GET(MPCC_OPP_ID[mpcc_id],  MPCC_OPP_ID, &opp_id);
148 	REG_GET(MPCC_STATUS[mpcc_id],  MPCC_IDLE,   &idle);
149 	if (top_sel == 0xf && opp_id == 0xf && idle)
150 		return true;
151 	else
152 		return false;
153 }
154 
155 void mpc1_assert_mpcc_idle_before_connect(struct mpc *mpc, int mpcc_id)
156 {
157 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
158 	unsigned int top_sel, mpc_busy, mpc_idle;
159 
160 	REG_GET(MPCC_TOP_SEL[mpcc_id],
161 			MPCC_TOP_SEL, &top_sel);
162 
163 	if (top_sel == 0xf) {
164 		REG_GET_2(MPCC_STATUS[mpcc_id],
165 				MPCC_BUSY, &mpc_busy,
166 				MPCC_IDLE, &mpc_idle);
167 
168 		ASSERT(mpc_busy == 0);
169 		ASSERT(mpc_idle == 1);
170 	}
171 }
172 
173 /*
174  * Insert DPP into MPC tree based on specified blending position.
175  * Only used for planes that are part of blending chain for OPP output
176  *
177  * Parameters:
178  * [in/out] mpc		- MPC context.
179  * [in/out] tree	- MPC tree structure that plane will be added to.
180  * [in]	blnd_cfg	- MPCC blending configuration for the new blending layer.
181  * [in]	sm_cfg		- MPCC stereo mix configuration for the new blending layer.
182  *			  stereo mix must disable for the very bottom layer of the tree config.
183  * [in]	insert_above_mpcc - Insert new plane above this MPCC.  If NULL, insert as bottom plane.
184  * [in]	dpp_id		- DPP instance for the plane to be added.
185  * [in]	mpcc_id		- The MPCC physical instance to use for blending.
186  *
187  * Return:  struct mpcc* - MPCC that was added.
188  */
189 struct mpcc *mpc1_insert_plane(
190 	struct mpc *mpc,
191 	struct mpc_tree *tree,
192 	struct mpcc_blnd_cfg *blnd_cfg,
193 	struct mpcc_sm_cfg *sm_cfg,
194 	struct mpcc *insert_above_mpcc,
195 	int dpp_id,
196 	int mpcc_id)
197 {
198 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
199 	struct mpcc *new_mpcc = NULL;
200 
201 	/* sanity check parameters */
202 	ASSERT(mpcc_id < mpc10->num_mpcc);
203 	ASSERT(!(mpc10->mpcc_in_use_mask & 1 << mpcc_id));
204 
205 	if (insert_above_mpcc) {
206 		/* check insert_above_mpcc exist in tree->opp_list */
207 		struct mpcc *temp_mpcc = tree->opp_list;
208 
209 		while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
210 			temp_mpcc = temp_mpcc->mpcc_bot;
211 		if (temp_mpcc == NULL)
212 			return NULL;
213 	}
214 
215 	/* Get and update MPCC struct parameters */
216 	new_mpcc = mpc1_get_mpcc(mpc, mpcc_id);
217 	new_mpcc->dpp_id = dpp_id;
218 
219 	/* program mux and MPCC_MODE */
220 	if (insert_above_mpcc) {
221 		new_mpcc->mpcc_bot = insert_above_mpcc;
222 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, insert_above_mpcc->mpcc_id);
223 		REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
224 	} else {
225 		new_mpcc->mpcc_bot = NULL;
226 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
227 		REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_ONLY);
228 	}
229 	REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, dpp_id);
230 	REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, tree->opp_id);
231 
232 	/* Configure VUPDATE lock set for this MPCC to map to the OPP */
233 	REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, tree->opp_id);
234 
235 	/* update mpc tree mux setting */
236 	if (tree->opp_list == insert_above_mpcc) {
237 		/* insert the toppest mpcc */
238 		tree->opp_list = new_mpcc;
239 		REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, mpcc_id);
240 	} else {
241 		/* find insert position */
242 		struct mpcc *temp_mpcc = tree->opp_list;
243 
244 		while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
245 			temp_mpcc = temp_mpcc->mpcc_bot;
246 		if (temp_mpcc && temp_mpcc->mpcc_bot == insert_above_mpcc) {
247 			REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0, MPCC_BOT_SEL, mpcc_id);
248 			temp_mpcc->mpcc_bot = new_mpcc;
249 			if (!insert_above_mpcc)
250 				REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
251 						MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
252 		}
253 	}
254 
255 	/* update the blending configuration */
256 	mpc->funcs->update_blending(mpc, blnd_cfg, mpcc_id);
257 
258 	/* update the stereo mix settings, if provided */
259 	if (sm_cfg != NULL) {
260 		new_mpcc->sm_cfg = *sm_cfg;
261 		mpc1_update_stereo_mix(mpc, sm_cfg, mpcc_id);
262 	}
263 
264 	/* mark this mpcc as in use */
265 	mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
266 
267 	return new_mpcc;
268 }
269 
270 /*
271  * Remove a specified MPCC from the MPC tree.
272  *
273  * Parameters:
274  * [in/out] mpc		- MPC context.
275  * [in/out] tree	- MPC tree structure that plane will be removed from.
276  * [in/out] mpcc	- MPCC to be removed from tree.
277  *
278  * Return:  void
279  */
280 void mpc1_remove_mpcc(
281 	struct mpc *mpc,
282 	struct mpc_tree *tree,
283 	struct mpcc *mpcc_to_remove)
284 {
285 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
286 	bool found = false;
287 	int mpcc_id = mpcc_to_remove->mpcc_id;
288 
289 	if (tree->opp_list == mpcc_to_remove) {
290 		found = true;
291 		/* remove MPCC from top of tree */
292 		if (mpcc_to_remove->mpcc_bot) {
293 			/* set the next MPCC in list to be the top MPCC */
294 			tree->opp_list = mpcc_to_remove->mpcc_bot;
295 			REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, tree->opp_list->mpcc_id);
296 		} else {
297 			/* there are no other MPCC is list */
298 			tree->opp_list = NULL;
299 			REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, 0xf);
300 		}
301 	} else {
302 		/* find mpcc to remove MPCC list */
303 		struct mpcc *temp_mpcc = tree->opp_list;
304 
305 		while (temp_mpcc && temp_mpcc->mpcc_bot != mpcc_to_remove)
306 			temp_mpcc = temp_mpcc->mpcc_bot;
307 
308 		if (temp_mpcc && temp_mpcc->mpcc_bot == mpcc_to_remove) {
309 			found = true;
310 			temp_mpcc->mpcc_bot = mpcc_to_remove->mpcc_bot;
311 			if (mpcc_to_remove->mpcc_bot) {
312 				/* remove MPCC in middle of list */
313 				REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
314 						MPCC_BOT_SEL, mpcc_to_remove->mpcc_bot->mpcc_id);
315 			} else {
316 				/* remove MPCC from bottom of list */
317 				REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
318 						MPCC_BOT_SEL, 0xf);
319 				REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
320 						MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH);
321 			}
322 		}
323 	}
324 
325 	if (found) {
326 		/* turn off MPCC mux registers */
327 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
328 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
329 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
330 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
331 
332 		/* mark this mpcc as not in use */
333 		mpc10->mpcc_in_use_mask &= ~(1 << mpcc_id);
334 		mpcc_to_remove->dpp_id = 0xf;
335 		mpcc_to_remove->mpcc_bot = NULL;
336 	} else {
337 		/* In case of resume from S3/S4, remove mpcc from bios left over */
338 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
339 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
340 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
341 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
342 	}
343 }
344 
345 static void mpc1_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
346 {
347 	mpcc->mpcc_id = mpcc_inst;
348 	mpcc->dpp_id = 0xf;
349 	mpcc->mpcc_bot = NULL;
350 	mpcc->blnd_cfg.overlap_only = false;
351 	mpcc->blnd_cfg.global_alpha = 0xff;
352 	mpcc->blnd_cfg.global_gain = 0xff;
353 	mpcc->sm_cfg.enable = false;
354 }
355 
356 /*
357  * Reset the MPCC HW status by disconnecting all muxes.
358  *
359  * Parameters:
360  * [in/out] mpc		- MPC context.
361  *
362  * Return:  void
363  */
364 void mpc1_mpc_init(struct mpc *mpc)
365 {
366 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
367 	int mpcc_id;
368 	int opp_id;
369 
370 	mpc10->mpcc_in_use_mask = 0;
371 	for (mpcc_id = 0; mpcc_id < mpc10->num_mpcc; mpcc_id++) {
372 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
373 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
374 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
375 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
376 
377 		mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
378 	}
379 
380 	for (opp_id = 0; opp_id < MAX_OPP; opp_id++) {
381 		if (REG(MUX[opp_id]))
382 			REG_UPDATE(MUX[opp_id], MPC_OUT_MUX, 0xf);
383 	}
384 }
385 
386 void mpc1_mpc_init_single_inst(struct mpc *mpc, unsigned int mpcc_id)
387 {
388 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
389 	int opp_id;
390 
391 	REG_GET(MPCC_OPP_ID[mpcc_id], MPCC_OPP_ID, &opp_id);
392 
393 	REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
394 	REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
395 	REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
396 	REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
397 
398 	mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
399 
400 	if (opp_id < MAX_OPP && REG(MUX[opp_id]))
401 		REG_UPDATE(MUX[opp_id], MPC_OUT_MUX, 0xf);
402 }
403 
404 
405 void mpc1_init_mpcc_list_from_hw(
406 	struct mpc *mpc,
407 	struct mpc_tree *tree)
408 {
409 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
410 	unsigned int opp_id;
411 	unsigned int top_sel;
412 	unsigned int bot_sel;
413 	unsigned int out_mux;
414 	struct mpcc *mpcc;
415 	int mpcc_id;
416 	int bot_mpcc_id;
417 
418 	REG_GET(MUX[tree->opp_id], MPC_OUT_MUX, &out_mux);
419 
420 	if (out_mux != 0xf) {
421 		for (mpcc_id = 0; mpcc_id < mpc10->num_mpcc; mpcc_id++) {
422 			REG_GET(MPCC_OPP_ID[mpcc_id],  MPCC_OPP_ID,  &opp_id);
423 			REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
424 			REG_GET(MPCC_BOT_SEL[mpcc_id],  MPCC_BOT_SEL, &bot_sel);
425 
426 			if (bot_sel == mpcc_id)
427 				bot_sel = 0xf;
428 
429 			if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
430 				mpcc = mpc1_get_mpcc(mpc, mpcc_id);
431 				mpcc->dpp_id = top_sel;
432 				mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
433 
434 				if (out_mux == mpcc_id)
435 					tree->opp_list = mpcc;
436 				if (bot_sel != 0xf && bot_sel < mpc10->num_mpcc) {
437 					bot_mpcc_id = bot_sel;
438 					REG_GET(MPCC_OPP_ID[bot_mpcc_id],  MPCC_OPP_ID,  &opp_id);
439 					REG_GET(MPCC_TOP_SEL[bot_mpcc_id], MPCC_TOP_SEL, &top_sel);
440 					if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
441 						struct mpcc *mpcc_bottom = mpc1_get_mpcc(mpc, bot_mpcc_id);
442 
443 						mpcc->mpcc_bot = mpcc_bottom;
444 					}
445 				}
446 			}
447 		}
448 	}
449 }
450 
451 void mpc1_read_mpcc_state(
452 		struct mpc *mpc,
453 		int mpcc_inst,
454 		struct mpcc_state *s)
455 {
456 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
457 
458 	REG_GET(MPCC_OPP_ID[mpcc_inst], MPCC_OPP_ID, &s->opp_id);
459 	REG_GET(MPCC_TOP_SEL[mpcc_inst], MPCC_TOP_SEL, &s->dpp_id);
460 	REG_GET(MPCC_BOT_SEL[mpcc_inst], MPCC_BOT_SEL, &s->bot_mpcc_id);
461 	REG_GET_4(MPCC_CONTROL[mpcc_inst], MPCC_MODE, &s->mode,
462 			MPCC_ALPHA_BLND_MODE, &s->alpha_mode,
463 			MPCC_ALPHA_MULTIPLIED_MODE, &s->pre_multiplied_alpha,
464 			MPCC_BLND_ACTIVE_OVERLAP_ONLY, &s->overlap_only);
465 	REG_GET_2(MPCC_STATUS[mpcc_inst], MPCC_IDLE, &s->idle,
466 			MPCC_BUSY, &s->busy);
467 }
468 
469 void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock)
470 {
471 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
472 
473 	REG_SET(CUR[opp_id], 0, CUR_VUPDATE_LOCK_SET, lock ? 1 : 0);
474 }
475 
476 unsigned int mpc1_get_mpc_out_mux(struct mpc *mpc, int opp_id)
477 {
478 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
479 	uint32_t val = 0xf;
480 
481 	if (opp_id < MAX_OPP && REG(MUX[opp_id]))
482 		REG_GET(MUX[opp_id], MPC_OUT_MUX, &val);
483 
484 	return val;
485 }
486 
487 static const struct mpc_funcs dcn10_mpc_funcs = {
488 	.read_mpcc_state = mpc1_read_mpcc_state,
489 	.insert_plane = mpc1_insert_plane,
490 	.remove_mpcc = mpc1_remove_mpcc,
491 	.mpc_init = mpc1_mpc_init,
492 	.mpc_init_single_inst = mpc1_mpc_init_single_inst,
493 	.get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
494 	.wait_for_idle = mpc1_assert_idle_mpcc,
495 	.assert_mpcc_idle_before_connect = mpc1_assert_mpcc_idle_before_connect,
496 	.init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
497 	.update_blending = mpc1_update_blending,
498 	.cursor_lock = mpc1_cursor_lock,
499 	.set_denorm = NULL,
500 	.set_denorm_clamp = NULL,
501 	.set_output_csc = NULL,
502 	.set_output_gamma = NULL,
503 	.get_mpc_out_mux = mpc1_get_mpc_out_mux,
504 	.set_bg_color = mpc1_set_bg_color,
505 };
506 
507 void dcn10_mpc_construct(struct dcn10_mpc *mpc10,
508 	struct dc_context *ctx,
509 	const struct dcn_mpc_registers *mpc_regs,
510 	const struct dcn_mpc_shift *mpc_shift,
511 	const struct dcn_mpc_mask *mpc_mask,
512 	int num_mpcc)
513 {
514 	int i;
515 
516 	mpc10->base.ctx = ctx;
517 
518 	mpc10->base.funcs = &dcn10_mpc_funcs;
519 
520 	mpc10->mpc_regs = mpc_regs;
521 	mpc10->mpc_shift = mpc_shift;
522 	mpc10->mpc_mask = mpc_mask;
523 
524 	mpc10->mpcc_in_use_mask = 0;
525 	mpc10->num_mpcc = num_mpcc;
526 
527 	for (i = 0; i < MAX_MPCC; i++)
528 		mpc1_init_mpcc(&mpc10->base.mpcc_array[i], i);
529 }
530 
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