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 		bottommost_mpcc = bottommost_mpcc->mpcc_bot;
53 	}
54 
55 	/* mpc color is 12 bit.  tg_color is 10 bit */
56 	/* todo: might want to use 16 bit to represent color and have each
57 	 * hw block translate to correct color depth.
58 	 */
59 	bg_r_cr = bg_color->color_r_cr << 2;
60 	bg_g_y = bg_color->color_g_y << 2;
61 	bg_b_cb = bg_color->color_b_cb << 2;
62 
63 	REG_SET(MPCC_BG_R_CR[bottommost_mpcc->mpcc_id], 0,
64 			MPCC_BG_R_CR, bg_r_cr);
65 	REG_SET(MPCC_BG_G_Y[bottommost_mpcc->mpcc_id], 0,
66 			MPCC_BG_G_Y, bg_g_y);
67 	REG_SET(MPCC_BG_B_CB[bottommost_mpcc->mpcc_id], 0,
68 			MPCC_BG_B_CB, bg_b_cb);
69 }
70 
mpc1_update_blending(struct mpc * mpc,struct mpcc_blnd_cfg * blnd_cfg,int mpcc_id)71 static void mpc1_update_blending(
72 	struct mpc *mpc,
73 	struct mpcc_blnd_cfg *blnd_cfg,
74 	int mpcc_id)
75 {
76 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
77 	struct mpcc *mpcc = mpc1_get_mpcc(mpc, mpcc_id);
78 
79 	REG_UPDATE_5(MPCC_CONTROL[mpcc_id],
80 			MPCC_ALPHA_BLND_MODE,		blnd_cfg->alpha_mode,
81 			MPCC_ALPHA_MULTIPLIED_MODE,	blnd_cfg->pre_multiplied_alpha,
82 			MPCC_BLND_ACTIVE_OVERLAP_ONLY,	blnd_cfg->overlap_only,
83 			MPCC_GLOBAL_ALPHA,		blnd_cfg->global_alpha,
84 			MPCC_GLOBAL_GAIN,		blnd_cfg->global_gain);
85 
86 	mpcc->blnd_cfg = *blnd_cfg;
87 }
88 
mpc1_update_stereo_mix(struct mpc * mpc,struct mpcc_sm_cfg * sm_cfg,int mpcc_id)89 void mpc1_update_stereo_mix(
90 	struct mpc *mpc,
91 	struct mpcc_sm_cfg *sm_cfg,
92 	int mpcc_id)
93 {
94 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
95 
96 	REG_UPDATE_6(MPCC_SM_CONTROL[mpcc_id],
97 			MPCC_SM_EN,			sm_cfg->enable,
98 			MPCC_SM_MODE,			sm_cfg->sm_mode,
99 			MPCC_SM_FRAME_ALT,		sm_cfg->frame_alt,
100 			MPCC_SM_FIELD_ALT,		sm_cfg->field_alt,
101 			MPCC_SM_FORCE_NEXT_FRAME_POL,	sm_cfg->force_next_frame_porlarity,
102 			MPCC_SM_FORCE_NEXT_TOP_POL,	sm_cfg->force_next_field_polarity);
103 }
mpc1_assert_idle_mpcc(struct mpc * mpc,int id)104 void mpc1_assert_idle_mpcc(struct mpc *mpc, int id)
105 {
106 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
107 
108 	ASSERT(!(mpc10->mpcc_in_use_mask & 1 << id));
109 	REG_WAIT(MPCC_STATUS[id],
110 			MPCC_IDLE, 1,
111 			1, 100000);
112 }
113 
mpc1_get_mpcc(struct mpc * mpc,int mpcc_id)114 struct mpcc *mpc1_get_mpcc(struct mpc *mpc, int mpcc_id)
115 {
116 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
117 
118 	ASSERT(mpcc_id < mpc10->num_mpcc);
119 	return &(mpc->mpcc_array[mpcc_id]);
120 }
121 
mpc1_get_mpcc_for_dpp(struct mpc_tree * tree,int dpp_id)122 struct mpcc *mpc1_get_mpcc_for_dpp(struct mpc_tree *tree, int dpp_id)
123 {
124 	struct mpcc *tmp_mpcc = tree->opp_list;
125 
126 	while (tmp_mpcc != NULL) {
127 		if (tmp_mpcc->dpp_id == dpp_id)
128 			return tmp_mpcc;
129 
130 		/* avoid circular linked list */
131 		ASSERT(tmp_mpcc != tmp_mpcc->mpcc_bot);
132 		if (tmp_mpcc == tmp_mpcc->mpcc_bot)
133 			break;
134 
135 		tmp_mpcc = tmp_mpcc->mpcc_bot;
136 	}
137 	return NULL;
138 }
139 
mpc1_is_mpcc_idle(struct mpc * mpc,int mpcc_id)140 bool mpc1_is_mpcc_idle(struct mpc *mpc, int mpcc_id)
141 {
142 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
143 	unsigned int top_sel;
144 	unsigned int opp_id;
145 	unsigned int idle;
146 
147 	REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
148 	REG_GET(MPCC_OPP_ID[mpcc_id],  MPCC_OPP_ID, &opp_id);
149 	REG_GET(MPCC_STATUS[mpcc_id],  MPCC_IDLE,   &idle);
150 	if (top_sel == 0xf && opp_id == 0xf && idle)
151 		return true;
152 	else
153 		return false;
154 }
155 
mpc1_assert_mpcc_idle_before_connect(struct mpc * mpc,int mpcc_id)156 void mpc1_assert_mpcc_idle_before_connect(struct mpc *mpc, int mpcc_id)
157 {
158 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
159 	unsigned int top_sel, mpc_busy, mpc_idle;
160 
161 	REG_GET(MPCC_TOP_SEL[mpcc_id],
162 			MPCC_TOP_SEL, &top_sel);
163 
164 	if (top_sel == 0xf) {
165 		REG_GET_2(MPCC_STATUS[mpcc_id],
166 				MPCC_BUSY, &mpc_busy,
167 				MPCC_IDLE, &mpc_idle);
168 
169 		ASSERT(mpc_busy == 0);
170 		ASSERT(mpc_idle == 1);
171 	}
172 }
173 
174 /*
175  * Insert DPP into MPC tree based on specified blending position.
176  * Only used for planes that are part of blending chain for OPP output
177  *
178  * Parameters:
179  * [in/out] mpc		- MPC context.
180  * [in/out] tree	- MPC tree structure that plane will be added to.
181  * [in]	blnd_cfg	- MPCC blending configuration for the new blending layer.
182  * [in]	sm_cfg		- MPCC stereo mix configuration for the new blending layer.
183  *			  stereo mix must disable for the very bottom layer of the tree config.
184  * [in]	insert_above_mpcc - Insert new plane above this MPCC.  If NULL, insert as bottom plane.
185  * [in]	dpp_id		- DPP instance for the plane to be added.
186  * [in]	mpcc_id		- The MPCC physical instance to use for blending.
187  *
188  * Return:  struct mpcc* - MPCC that was added.
189  */
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)190 struct mpcc *mpc1_insert_plane(
191 	struct mpc *mpc,
192 	struct mpc_tree *tree,
193 	struct mpcc_blnd_cfg *blnd_cfg,
194 	struct mpcc_sm_cfg *sm_cfg,
195 	struct mpcc *insert_above_mpcc,
196 	int dpp_id,
197 	int mpcc_id)
198 {
199 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
200 	struct mpcc *new_mpcc = NULL;
201 
202 	/* sanity check parameters */
203 	ASSERT(mpcc_id < mpc10->num_mpcc);
204 	ASSERT(!(mpc10->mpcc_in_use_mask & 1 << mpcc_id));
205 
206 	if (insert_above_mpcc) {
207 		/* check insert_above_mpcc exist in tree->opp_list */
208 		struct mpcc *temp_mpcc = tree->opp_list;
209 
210 		while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
211 			temp_mpcc = temp_mpcc->mpcc_bot;
212 		if (temp_mpcc == NULL)
213 			return NULL;
214 	}
215 
216 	/* Get and update MPCC struct parameters */
217 	new_mpcc = mpc1_get_mpcc(mpc, mpcc_id);
218 	new_mpcc->dpp_id = dpp_id;
219 
220 	/* program mux and MPCC_MODE */
221 	if (insert_above_mpcc) {
222 		new_mpcc->mpcc_bot = insert_above_mpcc;
223 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, insert_above_mpcc->mpcc_id);
224 		REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
225 	} else {
226 		new_mpcc->mpcc_bot = NULL;
227 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
228 		REG_UPDATE(MPCC_CONTROL[mpcc_id], MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_ONLY);
229 	}
230 	REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, dpp_id);
231 	REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, tree->opp_id);
232 
233 	/* Configure VUPDATE lock set for this MPCC to map to the OPP */
234 	REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, tree->opp_id);
235 
236 	/* update mpc tree mux setting */
237 	if (tree->opp_list == insert_above_mpcc) {
238 		/* insert the toppest mpcc */
239 		tree->opp_list = new_mpcc;
240 		REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, mpcc_id);
241 	} else {
242 		/* find insert position */
243 		struct mpcc *temp_mpcc = tree->opp_list;
244 
245 		while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
246 			temp_mpcc = temp_mpcc->mpcc_bot;
247 		if (temp_mpcc && temp_mpcc->mpcc_bot == insert_above_mpcc) {
248 			REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0, MPCC_BOT_SEL, mpcc_id);
249 			temp_mpcc->mpcc_bot = new_mpcc;
250 			if (!insert_above_mpcc)
251 				REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
252 						MPCC_MODE, MPCC_BLEND_MODE_TOP_BOT_BLENDING);
253 		}
254 	}
255 
256 	/* update the blending configuration */
257 	mpc->funcs->update_blending(mpc, blnd_cfg, mpcc_id);
258 
259 	/* update the stereo mix settings, if provided */
260 	if (sm_cfg != NULL) {
261 		new_mpcc->sm_cfg = *sm_cfg;
262 		mpc1_update_stereo_mix(mpc, sm_cfg, mpcc_id);
263 	}
264 
265 	/* mark this mpcc as in use */
266 	mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
267 
268 	return new_mpcc;
269 }
270 
271 /*
272  * Remove a specified MPCC from the MPC tree.
273  *
274  * Parameters:
275  * [in/out] mpc		- MPC context.
276  * [in/out] tree	- MPC tree structure that plane will be removed from.
277  * [in/out] mpcc	- MPCC to be removed from tree.
278  *
279  * Return:  void
280  */
mpc1_remove_mpcc(struct mpc * mpc,struct mpc_tree * tree,struct mpcc * mpcc_to_remove)281 void mpc1_remove_mpcc(
282 	struct mpc *mpc,
283 	struct mpc_tree *tree,
284 	struct mpcc *mpcc_to_remove)
285 {
286 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
287 	bool found = false;
288 	int mpcc_id = mpcc_to_remove->mpcc_id;
289 
290 	if (tree->opp_list == mpcc_to_remove) {
291 		found = true;
292 		/* remove MPCC from top of tree */
293 		if (mpcc_to_remove->mpcc_bot) {
294 			/* set the next MPCC in list to be the top MPCC */
295 			tree->opp_list = mpcc_to_remove->mpcc_bot;
296 			REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, tree->opp_list->mpcc_id);
297 		} else {
298 			/* there are no other MPCC is list */
299 			tree->opp_list = NULL;
300 			REG_UPDATE(MUX[tree->opp_id], MPC_OUT_MUX, 0xf);
301 		}
302 	} else {
303 		/* find mpcc to remove MPCC list */
304 		struct mpcc *temp_mpcc = tree->opp_list;
305 
306 		while (temp_mpcc && temp_mpcc->mpcc_bot != mpcc_to_remove)
307 			temp_mpcc = temp_mpcc->mpcc_bot;
308 
309 		if (temp_mpcc && temp_mpcc->mpcc_bot == mpcc_to_remove) {
310 			found = true;
311 			temp_mpcc->mpcc_bot = mpcc_to_remove->mpcc_bot;
312 			if (mpcc_to_remove->mpcc_bot) {
313 				/* remove MPCC in middle of list */
314 				REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
315 						MPCC_BOT_SEL, mpcc_to_remove->mpcc_bot->mpcc_id);
316 			} else {
317 				/* remove MPCC from bottom of list */
318 				REG_SET(MPCC_BOT_SEL[temp_mpcc->mpcc_id], 0,
319 						MPCC_BOT_SEL, 0xf);
320 				REG_UPDATE(MPCC_CONTROL[temp_mpcc->mpcc_id],
321 						MPCC_MODE, MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH);
322 			}
323 		}
324 	}
325 
326 	if (found) {
327 		/* turn off MPCC mux registers */
328 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
329 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
330 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
331 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
332 
333 		/* mark this mpcc as not in use */
334 		mpc10->mpcc_in_use_mask &= ~(1 << mpcc_id);
335 		mpcc_to_remove->dpp_id = 0xf;
336 		mpcc_to_remove->mpcc_bot = NULL;
337 	} else {
338 		/* In case of resume from S3/S4, remove mpcc from bios left over */
339 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
340 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
341 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
342 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
343 	}
344 }
345 
mpc1_init_mpcc(struct mpcc * mpcc,int mpcc_inst)346 static void mpc1_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
347 {
348 	mpcc->mpcc_id = mpcc_inst;
349 	mpcc->dpp_id = 0xf;
350 	mpcc->mpcc_bot = NULL;
351 	mpcc->blnd_cfg.overlap_only = false;
352 	mpcc->blnd_cfg.global_alpha = 0xff;
353 	mpcc->blnd_cfg.global_gain = 0xff;
354 	mpcc->sm_cfg.enable = false;
355 }
356 
357 /*
358  * Reset the MPCC HW status by disconnecting all muxes.
359  *
360  * Parameters:
361  * [in/out] mpc		- MPC context.
362  *
363  * Return:  void
364  */
mpc1_mpc_init(struct mpc * mpc)365 void mpc1_mpc_init(struct mpc *mpc)
366 {
367 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
368 	int mpcc_id;
369 	int opp_id;
370 
371 	mpc10->mpcc_in_use_mask = 0;
372 	for (mpcc_id = 0; mpcc_id < mpc10->num_mpcc; mpcc_id++) {
373 		REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
374 		REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
375 		REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
376 		REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
377 
378 		mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
379 	}
380 
381 	for (opp_id = 0; opp_id < MAX_OPP; opp_id++) {
382 		if (REG(MUX[opp_id]))
383 			REG_UPDATE(MUX[opp_id], MPC_OUT_MUX, 0xf);
384 	}
385 }
386 
mpc1_mpc_init_single_inst(struct mpc * mpc,unsigned int mpcc_id)387 void mpc1_mpc_init_single_inst(struct mpc *mpc, unsigned int mpcc_id)
388 {
389 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
390 	int opp_id;
391 
392 	REG_GET(MPCC_OPP_ID[mpcc_id], MPCC_OPP_ID, &opp_id);
393 
394 	REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
395 	REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
396 	REG_SET(MPCC_OPP_ID[mpcc_id],  0, MPCC_OPP_ID,  0xf);
397 	REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
398 
399 	mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
400 
401 	if (opp_id < MAX_OPP && REG(MUX[opp_id]))
402 		REG_UPDATE(MUX[opp_id], MPC_OUT_MUX, 0xf);
403 }
404 
405 
mpc1_init_mpcc_list_from_hw(struct mpc * mpc,struct mpc_tree * tree)406 void mpc1_init_mpcc_list_from_hw(
407 	struct mpc *mpc,
408 	struct mpc_tree *tree)
409 {
410 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
411 	unsigned int opp_id;
412 	unsigned int top_sel;
413 	unsigned int bot_sel;
414 	unsigned int out_mux;
415 	struct mpcc *mpcc;
416 	int mpcc_id;
417 	int bot_mpcc_id;
418 
419 	REG_GET(MUX[tree->opp_id], MPC_OUT_MUX, &out_mux);
420 
421 	if (out_mux != 0xf) {
422 		for (mpcc_id = 0; mpcc_id < mpc10->num_mpcc; mpcc_id++) {
423 			REG_GET(MPCC_OPP_ID[mpcc_id],  MPCC_OPP_ID,  &opp_id);
424 			REG_GET(MPCC_TOP_SEL[mpcc_id], MPCC_TOP_SEL, &top_sel);
425 			REG_GET(MPCC_BOT_SEL[mpcc_id],  MPCC_BOT_SEL, &bot_sel);
426 
427 			if (bot_sel == mpcc_id)
428 				bot_sel = 0xf;
429 
430 			if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
431 				mpcc = mpc1_get_mpcc(mpc, mpcc_id);
432 				mpcc->dpp_id = top_sel;
433 				mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
434 
435 				if (out_mux == mpcc_id)
436 					tree->opp_list = mpcc;
437 				if (bot_sel != 0xf && bot_sel < mpc10->num_mpcc) {
438 					bot_mpcc_id = bot_sel;
439 					REG_GET(MPCC_OPP_ID[bot_mpcc_id],  MPCC_OPP_ID,  &opp_id);
440 					REG_GET(MPCC_TOP_SEL[bot_mpcc_id], MPCC_TOP_SEL, &top_sel);
441 					if ((opp_id == tree->opp_id) && (top_sel != 0xf)) {
442 						struct mpcc *mpcc_bottom = mpc1_get_mpcc(mpc, bot_mpcc_id);
443 
444 						mpcc->mpcc_bot = mpcc_bottom;
445 					}
446 				}
447 			}
448 		}
449 	}
450 }
451 
mpc1_read_mpcc_state(struct mpc * mpc,int mpcc_inst,struct mpcc_state * s)452 void mpc1_read_mpcc_state(
453 		struct mpc *mpc,
454 		int mpcc_inst,
455 		struct mpcc_state *s)
456 {
457 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
458 
459 	REG_GET(MPCC_OPP_ID[mpcc_inst], MPCC_OPP_ID, &s->opp_id);
460 	REG_GET(MPCC_TOP_SEL[mpcc_inst], MPCC_TOP_SEL, &s->dpp_id);
461 	REG_GET(MPCC_BOT_SEL[mpcc_inst], MPCC_BOT_SEL, &s->bot_mpcc_id);
462 	REG_GET_4(MPCC_CONTROL[mpcc_inst], MPCC_MODE, &s->mode,
463 			MPCC_ALPHA_BLND_MODE, &s->alpha_mode,
464 			MPCC_ALPHA_MULTIPLIED_MODE, &s->pre_multiplied_alpha,
465 			MPCC_BLND_ACTIVE_OVERLAP_ONLY, &s->overlap_only);
466 	REG_GET_2(MPCC_STATUS[mpcc_inst], MPCC_IDLE, &s->idle,
467 			MPCC_BUSY, &s->busy);
468 }
469 
mpc1_cursor_lock(struct mpc * mpc,int opp_id,bool lock)470 void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock)
471 {
472 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
473 
474 	REG_SET(CUR[opp_id], 0, CUR_VUPDATE_LOCK_SET, lock ? 1 : 0);
475 }
476 
mpc1_get_mpc_out_mux(struct mpc * mpc,int opp_id)477 unsigned int mpc1_get_mpc_out_mux(struct mpc *mpc, int opp_id)
478 {
479 	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
480 	uint32_t val = 0xf;
481 
482 	if (opp_id < MAX_OPP && REG(MUX[opp_id]))
483 		REG_GET(MUX[opp_id], MPC_OUT_MUX, &val);
484 
485 	return val;
486 }
487 
488 static const struct mpc_funcs dcn10_mpc_funcs = {
489 	.read_mpcc_state = mpc1_read_mpcc_state,
490 	.insert_plane = mpc1_insert_plane,
491 	.remove_mpcc = mpc1_remove_mpcc,
492 	.mpc_init = mpc1_mpc_init,
493 	.mpc_init_single_inst = mpc1_mpc_init_single_inst,
494 	.get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp,
495 	.wait_for_idle = mpc1_assert_idle_mpcc,
496 	.assert_mpcc_idle_before_connect = mpc1_assert_mpcc_idle_before_connect,
497 	.init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
498 	.update_blending = mpc1_update_blending,
499 	.cursor_lock = mpc1_cursor_lock,
500 	.set_denorm = NULL,
501 	.set_denorm_clamp = NULL,
502 	.set_output_csc = NULL,
503 	.set_output_gamma = NULL,
504 	.get_mpc_out_mux = mpc1_get_mpc_out_mux,
505 	.set_bg_color = mpc1_set_bg_color,
506 };
507 
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)508 void dcn10_mpc_construct(struct dcn10_mpc *mpc10,
509 	struct dc_context *ctx,
510 	const struct dcn_mpc_registers *mpc_regs,
511 	const struct dcn_mpc_shift *mpc_shift,
512 	const struct dcn_mpc_mask *mpc_mask,
513 	int num_mpcc)
514 {
515 	int i;
516 
517 	mpc10->base.ctx = ctx;
518 
519 	mpc10->base.funcs = &dcn10_mpc_funcs;
520 
521 	mpc10->mpc_regs = mpc_regs;
522 	mpc10->mpc_shift = mpc_shift;
523 	mpc10->mpc_mask = mpc_mask;
524 
525 	mpc10->mpcc_in_use_mask = 0;
526 	mpc10->num_mpcc = num_mpcc;
527 
528 	for (i = 0; i < MAX_MPCC; i++)
529 		mpc1_init_mpcc(&mpc10->base.mpcc_array[i], i);
530 }
531 
532