xref: /linux/drivers/gpu/drm/amd/display/dc/mpc/dcn10/dcn10_mpc.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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 
mpc1_set_bg_color(struct mpc * mpc,struct tg_color * bg_color,int mpcc_id)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 
mpc1_update_blending(struct mpc * mpc,struct mpcc_blnd_cfg * blnd_cfg,int mpcc_id)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 
mpc1_update_stereo_mix(struct mpc * mpc,struct mpcc_sm_cfg * sm_cfg,int mpcc_id)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 }
mpc1_assert_idle_mpcc(struct mpc * mpc,int id)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 
mpc1_get_mpcc(struct mpc * mpc,int mpcc_id)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 
mpc1_get_mpcc_for_dpp(struct mpc_tree * tree,int dpp_id)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 
135 		/* avoid circular linked list */
136 		ASSERT(tmp_mpcc != tmp_mpcc->mpcc_bot);
137 		if (tmp_mpcc == tmp_mpcc->mpcc_bot)
138 			break;
139 
140 		tmp_mpcc = tmp_mpcc->mpcc_bot;
141 	}
142 	return NULL;
143 }
144 
mpc1_is_mpcc_idle(struct mpc * mpc,int mpcc_id)145 bool mpc1_is_mpcc_idle(struct mpc *mpc, int mpcc_id)
146 {
147 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
148 	unsigned int top_sel;
149 	unsigned int opp_id;
150 	unsigned int idle;
151 
152 	REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
153 	REG_GET(MPCC_OPP_ID[mpcc_id],  MPCC_OPP_ID, &opp_id);
154 	REG_GET(MPCC_STATUS[mpcc_id],  MPCC_IDLE,   &idle);
155 	if (top_sel == 0xf && opp_id == 0xf && idle)
156 		return true;
157 	else
158 		return false;
159 }
160 
mpc1_assert_mpcc_idle_before_connect(struct mpc * mpc,int mpcc_id)161 void mpc1_assert_mpcc_idle_before_connect(struct mpc *mpc, int mpcc_id)
162 {
163 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
164 	unsigned int top_sel, mpc_busy, mpc_idle;
165 
166 	REG_GET(MPCC_TOP_SEL[mpcc_id],
167 			MPCC_TOP_SEL, &top_sel);
168 
169 	if (top_sel == 0xf) {
170 		REG_GET_2(MPCC_STATUS[mpcc_id],
171 				MPCC_BUSY, &mpc_busy,
172 				MPCC_IDLE, &mpc_idle);
173 
174 		ASSERT(mpc_busy == 0);
175 		ASSERT(mpc_idle == 1);
176 	}
177 }
178 
179 /*
180  * Insert DPP into MPC tree based on specified blending position.
181  * Only used for planes that are part of blending chain for OPP output
182  *
183  * Parameters:
184  * [in/out] mpc		- MPC context.
185  * [in/out] tree	- MPC tree structure that plane will be added to.
186  * [in]	blnd_cfg	- MPCC blending configuration for the new blending layer.
187  * [in]	sm_cfg		- MPCC stereo mix configuration for the new blending layer.
188  *			  stereo mix must disable for the very bottom layer of the tree config.
189  * [in]	insert_above_mpcc - Insert new plane above this MPCC.  If NULL, insert as bottom plane.
190  * [in]	dpp_id		- DPP instance for the plane to be added.
191  * [in]	mpcc_id		- The MPCC physical instance to use for blending.
192  *
193  * Return:  struct mpcc* - MPCC that was added.
194  */
mpc1_insert_plane(struct mpc * mpc,struct mpc_tree * tree,struct mpcc_blnd_cfg * blnd_cfg,struct mpcc_sm_cfg * sm_cfg,struct mpcc * insert_above_mpcc,int dpp_id,int mpcc_id)195 struct mpcc *mpc1_insert_plane(
196 	struct mpc *mpc,
197 	struct mpc_tree *tree,
198 	struct mpcc_blnd_cfg *blnd_cfg,
199 	struct mpcc_sm_cfg *sm_cfg,
200 	struct mpcc *insert_above_mpcc,
201 	int dpp_id,
202 	int mpcc_id)
203 {
204 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
205 	struct mpcc *new_mpcc = NULL;
206 
207 	/* sanity check parameters */
208 	ASSERT(mpcc_id < mpc10->num_mpcc);
209 	ASSERT(!(mpc10->mpcc_in_use_mask & 1 << mpcc_id));
210 
211 	if (insert_above_mpcc) {
212 		/* check insert_above_mpcc exist in tree->opp_list */
213 		struct mpcc *temp_mpcc = tree->opp_list;
214 
215 		if (temp_mpcc != insert_above_mpcc)
216 			while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
217 				temp_mpcc = temp_mpcc->mpcc_bot;
218 		if (temp_mpcc == NULL)
219 			return NULL;
220 	}
221 
222 	/* Get and update MPCC struct parameters */
223 	new_mpcc = mpc1_get_mpcc(mpc, mpcc_id);
224 	new_mpcc->dpp_id = dpp_id;
225 
226 	/* program mux and MPCC_MODE */
227 	if (insert_above_mpcc) {
228 		new_mpcc->mpcc_bot = insert_above_mpcc;
229 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, insert_above_mpcc->mpcc_id);
230 		REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
231 	} else {
232 		new_mpcc->mpcc_bot = NULL;
233 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
234 		REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_ONLY);
235 	}
236 	REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, dpp_id);
237 	REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, tree->opp_id);
238 
239 	/* Configure VUPDATE lock set for this MPCC to map to the OPP */
240 	REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, tree->opp_id);
241 
242 	/* update mpc tree mux setting */
243 	if (tree->opp_list == insert_above_mpcc) {
244 		/* insert the toppest mpcc */
245 		tree->opp_list = new_mpcc;
246 		REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, mpcc_id);
247 	} else {
248 		/* find insert position */
249 		struct mpcc *temp_mpcc = tree->opp_list;
250 
251 		while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
252 			temp_mpcc = temp_mpcc->mpcc_bot;
253 		if (temp_mpcc && temp_mpcc->mpcc_bot == insert_above_mpcc) {
254 			REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0, MPCC_BOT_SEL, mpcc_id);
255 			temp_mpcc->mpcc_bot = new_mpcc;
256 			if (!insert_above_mpcc)
257 				REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
258 						MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
259 		}
260 	}
261 
262 	/* update the blending configuration */
263 	mpc->funcs->update_blending(mpc, blnd_cfg, mpcc_id);
264 
265 	/* update the stereo mix settings, if provided */
266 	if (sm_cfg != NULL) {
267 		new_mpcc->sm_cfg = *sm_cfg;
268 		mpc1_update_stereo_mix(mpc, sm_cfg, mpcc_id);
269 	}
270 
271 	/* mark this mpcc as in use */
272 	mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
273 
274 	return new_mpcc;
275 }
276 
277 /*
278  * Remove a specified MPCC from the MPC tree.
279  *
280  * Parameters:
281  * [in/out] mpc		- MPC context.
282  * [in/out] tree	- MPC tree structure that plane will be removed from.
283  * [in/out] mpcc	- MPCC to be removed from tree.
284  *
285  * Return:  void
286  */
mpc1_remove_mpcc(struct mpc * mpc,struct mpc_tree * tree,struct mpcc * mpcc_to_remove)287 void mpc1_remove_mpcc(
288 	struct mpc *mpc,
289 	struct mpc_tree *tree,
290 	struct mpcc *mpcc_to_remove)
291 {
292 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
293 	bool found = false;
294 	int mpcc_id = mpcc_to_remove->mpcc_id;
295 
296 	if (tree->opp_list == mpcc_to_remove) {
297 		found = true;
298 		/* remove MPCC from top of tree */
299 		if (mpcc_to_remove->mpcc_bot) {
300 			/* set the next MPCC in list to be the top MPCC */
301 			tree->opp_list = mpcc_to_remove->mpcc_bot;
302 			REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, tree->opp_list->mpcc_id);
303 		} else {
304 			/* there are no other MPCC is list */
305 			tree->opp_list = NULL;
306 			REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, 0xf);
307 		}
308 	} else {
309 		/* find mpcc to remove MPCC list */
310 		struct mpcc *temp_mpcc = tree->opp_list;
311 
312 		while (temp_mpcc && temp_mpcc->mpcc_bot != mpcc_to_remove)
313 			temp_mpcc = temp_mpcc->mpcc_bot;
314 
315 		if (temp_mpcc && temp_mpcc->mpcc_bot == mpcc_to_remove) {
316 			found = true;
317 			temp_mpcc->mpcc_bot = mpcc_to_remove->mpcc_bot;
318 			if (mpcc_to_remove->mpcc_bot) {
319 				/* remove MPCC in middle of list */
320 				REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
321 						MPCC_BOT_SEL, mpcc_to_remove->mpcc_bot->mpcc_id);
322 			} else {
323 				/* remove MPCC from bottom of list */
324 				REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
325 						MPCC_BOT_SEL, 0xf);
326 				REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
327 						MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH);
328 			}
329 		}
330 	}
331 
332 	if (found) {
333 		/* turn off MPCC mux registers */
334 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
335 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
336 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
337 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
338 
339 		/* mark this mpcc as not in use */
340 		mpc10->mpcc_in_use_mask &= ~(1 << mpcc_id);
341 		mpcc_to_remove->dpp_id = 0xf;
342 		mpcc_to_remove->mpcc_bot = NULL;
343 	} else {
344 		/* In case of resume from S3/S4, remove mpcc from bios left over */
345 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
346 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
347 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
348 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
349 	}
350 }
351 
mpc1_init_mpcc(struct mpcc * mpcc,int mpcc_inst)352 static void mpc1_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
353 {
354 	mpcc->mpcc_id = mpcc_inst;
355 	mpcc->dpp_id = 0xf;
356 	mpcc->mpcc_bot = NULL;
357 	mpcc->blnd_cfg.overlap_only = false;
358 	mpcc->blnd_cfg.global_alpha = 0xff;
359 	mpcc->blnd_cfg.global_gain = 0xff;
360 	mpcc->sm_cfg.enable = false;
361 }
362 
363 /*
364  * Reset the MPCC HW status by disconnecting all muxes.
365  *
366  * Parameters:
367  * [in/out] mpc		- MPC context.
368  *
369  * Return:  void
370  */
mpc1_mpc_init(struct mpc * mpc)371 void mpc1_mpc_init(struct mpc *mpc)
372 {
373 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
374 	int mpcc_id;
375 	int opp_id;
376 
377 	mpc10->mpcc_in_use_mask = 0;
378 	for (mpcc_id = 0; mpcc_id < mpc10->num_mpcc; mpcc_id++) {
379 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
380 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
381 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
382 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
383 
384 		mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
385 	}
386 
387 	for (opp_id = 0; opp_id < MAX_OPP; opp_id++) {
388 		if (REG(MUX[opp_id]))
389 			REG_UPDATE(MUX[opp_id], MPC_OUT_MUX, 0xf);
390 	}
391 }
392 
mpc1_mpc_init_single_inst(struct mpc * mpc,unsigned int mpcc_id)393 void mpc1_mpc_init_single_inst(struct mpc *mpc, unsigned int mpcc_id)
394 {
395 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
396 	int opp_id;
397 
398 	REG_GET(MPCC_OPP_ID[mpcc_id], MPCC_OPP_ID, &opp_id);
399 
400 	REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
401 	REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
402 	REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
403 	REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
404 
405 	mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
406 
407 	if (opp_id < MAX_OPP && REG(MUX[opp_id]))
408 		REG_UPDATE(MUX[opp_id], MPC_OUT_MUX, 0xf);
409 }
410 
411 
mpc1_init_mpcc_list_from_hw(struct mpc * mpc,struct mpc_tree * tree)412 void mpc1_init_mpcc_list_from_hw(
413 	struct mpc *mpc,
414 	struct mpc_tree *tree)
415 {
416 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
417 	unsigned int opp_id;
418 	unsigned int top_sel;
419 	unsigned int bot_sel;
420 	unsigned int out_mux;
421 	struct mpcc *mpcc;
422 	int mpcc_id;
423 	int bot_mpcc_id;
424 
425 	REG_GET(MUX[tree->opp_id], MPC_OUT_MUX, &out_mux);
426 
427 	if (out_mux != 0xf) {
428 		for (mpcc_id = 0; mpcc_id < mpc10->num_mpcc; mpcc_id++) {
429 			REG_GET(MPCC_OPP_ID[mpcc_id],  MPCC_OPP_ID,  &opp_id);
430 			REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
431 			REG_GET(MPCC_BOT_SEL[mpcc_id],  MPCC_BOT_SEL, &bot_sel);
432 
433 			if (bot_sel == mpcc_id)
434 				bot_sel = 0xf;
435 
436 			if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
437 				mpcc = mpc1_get_mpcc(mpc, mpcc_id);
438 				mpcc->dpp_id = top_sel;
439 				mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
440 
441 				if (out_mux == mpcc_id)
442 					tree->opp_list = mpcc;
443 				if (bot_sel != 0xf && bot_sel < mpc10->num_mpcc) {
444 					bot_mpcc_id = bot_sel;
445 					REG_GET(MPCC_OPP_ID[bot_mpcc_id],  MPCC_OPP_ID,  &opp_id);
446 					REG_GET(MPCC_TOP_SEL[bot_mpcc_id], MPCC_TOP_SEL, &top_sel);
447 					if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
448 						struct mpcc *mpcc_bottom = mpc1_get_mpcc(mpc, bot_mpcc_id);
449 
450 						mpcc->mpcc_bot = mpcc_bottom;
451 					}
452 				}
453 			}
454 		}
455 	}
456 }
457 
mpc1_read_mpcc_state(struct mpc * mpc,int mpcc_inst,struct mpcc_state * s)458 void mpc1_read_mpcc_state(
459 		struct mpc *mpc,
460 		int mpcc_inst,
461 		struct mpcc_state *s)
462 {
463 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
464 
465 	REG_GET(MPCC_OPP_ID[mpcc_inst], MPCC_OPP_ID, &s->opp_id);
466 	REG_GET(MPCC_TOP_SEL[mpcc_inst], MPCC_TOP_SEL, &s->dpp_id);
467 	REG_GET(MPCC_BOT_SEL[mpcc_inst], MPCC_BOT_SEL, &s->bot_mpcc_id);
468 	REG_GET_4(MPCC_CONTROL[mpcc_inst], MPCC_MODE, &s->mode,
469 			MPCC_ALPHA_BLND_MODE, &s->alpha_mode,
470 			MPCC_ALPHA_MULTIPLIED_MODE, &s->pre_multiplied_alpha,
471 			MPCC_BLND_ACTIVE_OVERLAP_ONLY, &s->overlap_only);
472 	REG_GET_2(MPCC_STATUS[mpcc_inst], MPCC_IDLE, &s->idle,
473 			MPCC_BUSY, &s->busy);
474 }
475 
mpc1_cursor_lock(struct mpc * mpc,int opp_id,bool lock)476 void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock)
477 {
478 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
479 
480 	REG_SET(CUR[opp_id], 0, CUR_VUPDATE_LOCK_SET, lock ? 1 : 0);
481 }
482 
mpc1_get_mpc_out_mux(struct mpc * mpc,int opp_id)483 unsigned int mpc1_get_mpc_out_mux(struct mpc *mpc, int opp_id)
484 {
485 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
486 	uint32_t val = 0xf;
487 
488 	if (opp_id < MAX_OPP && REG(MUX[opp_id]))
489 		REG_GET(MUX[opp_id], MPC_OUT_MUX, &val);
490 
491 	return val;
492 }
493 
494 static const struct mpc_funcs dcn10_mpc_funcs = {
495 	.read_mpcc_state = mpc1_read_mpcc_state,
496 	.insert_plane = mpc1_insert_plane,
497 	.remove_mpcc = mpc1_remove_mpcc,
498 	.mpc_init = mpc1_mpc_init,
499 	.mpc_init_single_inst = mpc1_mpc_init_single_inst,
500 	.get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
501 	.wait_for_idle = mpc1_assert_idle_mpcc,
502 	.assert_mpcc_idle_before_connect = mpc1_assert_mpcc_idle_before_connect,
503 	.init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
504 	.update_blending = mpc1_update_blending,
505 	.cursor_lock = mpc1_cursor_lock,
506 	.set_denorm = NULL,
507 	.set_denorm_clamp = NULL,
508 	.set_output_csc = NULL,
509 	.set_output_gamma = NULL,
510 	.get_mpc_out_mux = mpc1_get_mpc_out_mux,
511 	.set_bg_color = mpc1_set_bg_color,
512 };
513 
dcn10_mpc_construct(struct dcn10_mpc * mpc10,struct dc_context * ctx,const struct dcn_mpc_registers * mpc_regs,const struct dcn_mpc_shift * mpc_shift,const struct dcn_mpc_mask * mpc_mask,int num_mpcc)514 void dcn10_mpc_construct(struct dcn10_mpc *mpc10,
515 	struct dc_context *ctx,
516 	const struct dcn_mpc_registers *mpc_regs,
517 	const struct dcn_mpc_shift *mpc_shift,
518 	const struct dcn_mpc_mask *mpc_mask,
519 	int num_mpcc)
520 {
521 	int i;
522 
523 	mpc10->base.ctx = ctx;
524 
525 	mpc10->base.funcs = &dcn10_mpc_funcs;
526 
527 	mpc10->mpc_regs = mpc_regs;
528 	mpc10->mpc_shift = mpc_shift;
529 	mpc10->mpc_mask = mpc_mask;
530 
531 	mpc10->mpcc_in_use_mask = 0;
532 	mpc10->num_mpcc = num_mpcc;
533 
534 	for (i = 0; i < MAX_MPCC; i++)
535 		mpc1_init_mpcc(&mpc10->base.mpcc_array[i], i);
536 }
537 
538