1/*
2 * Copyright 2016 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 "dm_services.h"
27
28#include "core_types.h"
29
30#include "reg_helper.h"
31#include "dcn10_dpp.h"
32#include "basics/conversion.h"
33
34
35#define NUM_PHASES    64
36#define HORZ_MAX_TAPS 8
37#define VERT_MAX_TAPS 8
38
39#define BLACK_OFFSET_RGB_Y 0x0
40#define BLACK_OFFSET_CBCR  0x8000
41
42
43#define REG(reg)\
44	dpp->tf_regs->reg
45
46#define CTX \
47	dpp->base.ctx
48
49#undef FN
50#define FN(reg_name, field_name) \
51	dpp->tf_shift->field_name, dpp->tf_mask->field_name
52
53enum dcn10_coef_filter_type_sel {
54	SCL_COEF_LUMA_VERT_FILTER = 0,
55	SCL_COEF_LUMA_HORZ_FILTER = 1,
56	SCL_COEF_CHROMA_VERT_FILTER = 2,
57	SCL_COEF_CHROMA_HORZ_FILTER = 3,
58	SCL_COEF_ALPHA_VERT_FILTER = 4,
59	SCL_COEF_ALPHA_HORZ_FILTER = 5
60};
61
62enum dscl_autocal_mode {
63	AUTOCAL_MODE_OFF = 0,
64
65	/* Autocal calculate the scaling ratio and initial phase and the
66	 * DSCL_MODE_SEL must be set to 1
67	 */
68	AUTOCAL_MODE_AUTOSCALE = 1,
69	/* Autocal perform auto centering without replication and the
70	 * DSCL_MODE_SEL must be set to 0
71	 */
72	AUTOCAL_MODE_AUTOCENTER = 2,
73	/* Autocal perform auto centering and auto replication and the
74	 * DSCL_MODE_SEL must be set to 0
75	 */
76	AUTOCAL_MODE_AUTOREPLICATE = 3
77};
78
79enum dscl_mode_sel {
80	DSCL_MODE_SCALING_444_BYPASS = 0,
81	DSCL_MODE_SCALING_444_RGB_ENABLE = 1,
82	DSCL_MODE_SCALING_444_YCBCR_ENABLE = 2,
83	DSCL_MODE_SCALING_420_YCBCR_ENABLE = 3,
84	DSCL_MODE_SCALING_420_LUMA_BYPASS = 4,
85	DSCL_MODE_SCALING_420_CHROMA_BYPASS = 5,
86	DSCL_MODE_DSCL_BYPASS = 6
87};
88
89static int dpp1_dscl_get_pixel_depth_val(enum lb_pixel_depth depth)
90{
91	if (depth == LB_PIXEL_DEPTH_30BPP)
92		return 0; /* 10 bpc */
93	else if (depth == LB_PIXEL_DEPTH_24BPP)
94		return 1; /* 8 bpc */
95	else if (depth == LB_PIXEL_DEPTH_18BPP)
96		return 2; /* 6 bpc */
97	else if (depth == LB_PIXEL_DEPTH_36BPP)
98		return 3; /* 12 bpc */
99	else {
100		ASSERT(0);
101		return -1; /* Unsupported */
102	}
103}
104
105static bool dpp1_dscl_is_video_format(enum pixel_format format)
106{
107	if (format >= PIXEL_FORMAT_VIDEO_BEGIN
108			&& format <= PIXEL_FORMAT_VIDEO_END)
109		return true;
110	else
111		return false;
112}
113
114static bool dpp1_dscl_is_420_format(enum pixel_format format)
115{
116	if (format == PIXEL_FORMAT_420BPP8 ||
117			format == PIXEL_FORMAT_420BPP10)
118		return true;
119	else
120		return false;
121}
122
123static enum dscl_mode_sel dpp1_dscl_get_dscl_mode(
124		struct dpp *dpp_base,
125		const struct scaler_data *data,
126		bool dbg_always_scale)
127{
128	const long long one = dc_fixpt_one.value;
129
130	if (dpp_base->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT) {
131		/* DSCL is processing data in fixed format */
132		if (data->format == PIXEL_FORMAT_FP16)
133			return DSCL_MODE_DSCL_BYPASS;
134	}
135
136	if (data->ratios.horz.value == one
137			&& data->ratios.vert.value == one
138			&& data->ratios.horz_c.value == one
139			&& data->ratios.vert_c.value == one
140			&& !dbg_always_scale)
141		return DSCL_MODE_SCALING_444_BYPASS;
142
143	if (!dpp1_dscl_is_420_format(data->format)) {
144		if (dpp1_dscl_is_video_format(data->format))
145			return DSCL_MODE_SCALING_444_YCBCR_ENABLE;
146		else
147			return DSCL_MODE_SCALING_444_RGB_ENABLE;
148	}
149	if (data->ratios.horz.value == one && data->ratios.vert.value == one)
150		return DSCL_MODE_SCALING_420_LUMA_BYPASS;
151	if (data->ratios.horz_c.value == one && data->ratios.vert_c.value == one)
152		return DSCL_MODE_SCALING_420_CHROMA_BYPASS;
153
154	return DSCL_MODE_SCALING_420_YCBCR_ENABLE;
155}
156
157static void dpp1_power_on_dscl(
158	struct dpp *dpp_base,
159	bool power_on)
160{
161	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
162
163	if (dpp->tf_regs->DSCL_MEM_PWR_CTRL) {
164		if (power_on) {
165			REG_UPDATE(DSCL_MEM_PWR_CTRL, LUT_MEM_PWR_FORCE, 0);
166			REG_WAIT(DSCL_MEM_PWR_STATUS, LUT_MEM_PWR_STATE, 0, 1, 5);
167		} else {
168			if (dpp->base.ctx->dc->debug.enable_mem_low_power.bits.dscl) {
169				dpp->base.ctx->dc->optimized_required = true;
170				dpp->base.deferred_reg_writes.bits.disable_dscl = true;
171			} else {
172				REG_UPDATE(DSCL_MEM_PWR_CTRL, LUT_MEM_PWR_FORCE, 3);
173			}
174		}
175	}
176}
177
178
179static void dpp1_dscl_set_lb(
180	struct dcn10_dpp *dpp,
181	const struct line_buffer_params *lb_params,
182	enum lb_memory_config mem_size_config)
183{
184	uint32_t max_partitions = 63; /* Currently hardcoded on all ASICs before DCN 3.2 */
185
186	/* LB */
187	if (dpp->base.caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT) {
188		/* DSCL caps: pixel data processed in fixed format */
189		uint32_t pixel_depth = dpp1_dscl_get_pixel_depth_val(lb_params->depth);
190		uint32_t dyn_pix_depth = lb_params->dynamic_pixel_depth;
191
192		REG_SET_7(LB_DATA_FORMAT, 0,
193			PIXEL_DEPTH, pixel_depth, /* Pixel depth stored in LB */
194			PIXEL_EXPAN_MODE, lb_params->pixel_expan_mode, /* Pixel expansion mode */
195			PIXEL_REDUCE_MODE, 1, /* Pixel reduction mode: Rounding */
196			DYNAMIC_PIXEL_DEPTH, dyn_pix_depth, /* Dynamic expansion pixel depth */
197			DITHER_EN, 0, /* Dithering enable: Disabled */
198			INTERLEAVE_EN, lb_params->interleave_en, /* Interleave source enable */
199			LB_DATA_FORMAT__ALPHA_EN, lb_params->alpha_en); /* Alpha enable */
200	} else {
201		/* DSCL caps: pixel data processed in float format */
202		REG_SET_2(LB_DATA_FORMAT, 0,
203			INTERLEAVE_EN, lb_params->interleave_en, /* Interleave source enable */
204			LB_DATA_FORMAT__ALPHA_EN, lb_params->alpha_en); /* Alpha enable */
205	}
206
207	if (dpp->base.caps->max_lb_partitions == 31)
208		max_partitions = 31;
209
210	REG_SET_2(LB_MEMORY_CTRL, 0,
211		MEMORY_CONFIG, mem_size_config,
212		LB_MAX_PARTITIONS, max_partitions);
213}
214
215static const uint16_t *dpp1_dscl_get_filter_coeffs_64p(int taps, struct fixed31_32 ratio)
216{
217	if (taps == 8)
218		return get_filter_8tap_64p(ratio);
219	else if (taps == 7)
220		return get_filter_7tap_64p(ratio);
221	else if (taps == 6)
222		return get_filter_6tap_64p(ratio);
223	else if (taps == 5)
224		return get_filter_5tap_64p(ratio);
225	else if (taps == 4)
226		return get_filter_4tap_64p(ratio);
227	else if (taps == 3)
228		return get_filter_3tap_64p(ratio);
229	else if (taps == 2)
230		return get_filter_2tap_64p();
231	else if (taps == 1)
232		return NULL;
233	else {
234		/* should never happen, bug */
235		BREAK_TO_DEBUGGER();
236		return NULL;
237	}
238}
239
240static void dpp1_dscl_set_scaler_filter(
241		struct dcn10_dpp *dpp,
242		uint32_t taps,
243		enum dcn10_coef_filter_type_sel filter_type,
244		const uint16_t *filter)
245{
246	const int tap_pairs = (taps + 1) / 2;
247	int phase;
248	int pair;
249	uint16_t odd_coef, even_coef;
250
251	REG_SET_3(SCL_COEF_RAM_TAP_SELECT, 0,
252		SCL_COEF_RAM_TAP_PAIR_IDX, 0,
253		SCL_COEF_RAM_PHASE, 0,
254		SCL_COEF_RAM_FILTER_TYPE, filter_type);
255
256	for (phase = 0; phase < (NUM_PHASES / 2 + 1); phase++) {
257		for (pair = 0; pair < tap_pairs; pair++) {
258			even_coef = filter[phase * taps + 2 * pair];
259			if ((pair * 2 + 1) < taps)
260				odd_coef = filter[phase * taps + 2 * pair + 1];
261			else
262				odd_coef = 0;
263
264			REG_SET_4(SCL_COEF_RAM_TAP_DATA, 0,
265				/* Even tap coefficient (bits 1:0 fixed to 0) */
266				SCL_COEF_RAM_EVEN_TAP_COEF, even_coef,
267				/* Write/read control for even coefficient */
268				SCL_COEF_RAM_EVEN_TAP_COEF_EN, 1,
269				/* Odd tap coefficient (bits 1:0 fixed to 0) */
270				SCL_COEF_RAM_ODD_TAP_COEF, odd_coef,
271				/* Write/read control for odd coefficient */
272				SCL_COEF_RAM_ODD_TAP_COEF_EN, 1);
273		}
274	}
275
276}
277
278static void dpp1_dscl_set_scl_filter(
279		struct dcn10_dpp *dpp,
280		const struct scaler_data *scl_data,
281		bool chroma_coef_mode)
282{
283	bool h_2tap_hardcode_coef_en = false;
284	bool v_2tap_hardcode_coef_en = false;
285	bool h_2tap_sharp_en = false;
286	bool v_2tap_sharp_en = false;
287	uint32_t h_2tap_sharp_factor = scl_data->sharpness.horz;
288	uint32_t v_2tap_sharp_factor = scl_data->sharpness.vert;
289	bool coef_ram_current;
290	const uint16_t *filter_h = NULL;
291	const uint16_t *filter_v = NULL;
292	const uint16_t *filter_h_c = NULL;
293	const uint16_t *filter_v_c = NULL;
294
295	h_2tap_hardcode_coef_en = scl_data->taps.h_taps < 3
296					&& scl_data->taps.h_taps_c < 3
297		&& (scl_data->taps.h_taps > 1 && scl_data->taps.h_taps_c > 1);
298	v_2tap_hardcode_coef_en = scl_data->taps.v_taps < 3
299					&& scl_data->taps.v_taps_c < 3
300		&& (scl_data->taps.v_taps > 1 && scl_data->taps.v_taps_c > 1);
301
302	h_2tap_sharp_en = h_2tap_hardcode_coef_en && h_2tap_sharp_factor != 0;
303	v_2tap_sharp_en = v_2tap_hardcode_coef_en && v_2tap_sharp_factor != 0;
304
305	REG_UPDATE_6(DSCL_2TAP_CONTROL,
306		SCL_H_2TAP_HARDCODE_COEF_EN, h_2tap_hardcode_coef_en,
307		SCL_H_2TAP_SHARP_EN, h_2tap_sharp_en,
308		SCL_H_2TAP_SHARP_FACTOR, h_2tap_sharp_factor,
309		SCL_V_2TAP_HARDCODE_COEF_EN, v_2tap_hardcode_coef_en,
310		SCL_V_2TAP_SHARP_EN, v_2tap_sharp_en,
311		SCL_V_2TAP_SHARP_FACTOR, v_2tap_sharp_factor);
312
313	if (!v_2tap_hardcode_coef_en || !h_2tap_hardcode_coef_en) {
314		bool filter_updated = false;
315
316		filter_h = dpp1_dscl_get_filter_coeffs_64p(
317				scl_data->taps.h_taps, scl_data->ratios.horz);
318		filter_v = dpp1_dscl_get_filter_coeffs_64p(
319				scl_data->taps.v_taps, scl_data->ratios.vert);
320
321		filter_updated = (filter_h && (filter_h != dpp->filter_h))
322				|| (filter_v && (filter_v != dpp->filter_v));
323
324		if (chroma_coef_mode) {
325			filter_h_c = dpp1_dscl_get_filter_coeffs_64p(
326					scl_data->taps.h_taps_c, scl_data->ratios.horz_c);
327			filter_v_c = dpp1_dscl_get_filter_coeffs_64p(
328					scl_data->taps.v_taps_c, scl_data->ratios.vert_c);
329			filter_updated = filter_updated || (filter_h_c && (filter_h_c != dpp->filter_h_c))
330							|| (filter_v_c && (filter_v_c != dpp->filter_v_c));
331		}
332
333		if (filter_updated) {
334			uint32_t scl_mode = REG_READ(SCL_MODE);
335
336			if (!h_2tap_hardcode_coef_en && filter_h) {
337				dpp1_dscl_set_scaler_filter(
338					dpp, scl_data->taps.h_taps,
339					SCL_COEF_LUMA_HORZ_FILTER, filter_h);
340			}
341			dpp->filter_h = filter_h;
342			if (!v_2tap_hardcode_coef_en && filter_v) {
343				dpp1_dscl_set_scaler_filter(
344					dpp, scl_data->taps.v_taps,
345					SCL_COEF_LUMA_VERT_FILTER, filter_v);
346			}
347			dpp->filter_v = filter_v;
348			if (chroma_coef_mode) {
349				if (!h_2tap_hardcode_coef_en && filter_h_c) {
350					dpp1_dscl_set_scaler_filter(
351						dpp, scl_data->taps.h_taps_c,
352						SCL_COEF_CHROMA_HORZ_FILTER, filter_h_c);
353				}
354				if (!v_2tap_hardcode_coef_en && filter_v_c) {
355					dpp1_dscl_set_scaler_filter(
356						dpp, scl_data->taps.v_taps_c,
357						SCL_COEF_CHROMA_VERT_FILTER, filter_v_c);
358				}
359			}
360			dpp->filter_h_c = filter_h_c;
361			dpp->filter_v_c = filter_v_c;
362
363			coef_ram_current = get_reg_field_value_ex(
364				scl_mode, dpp->tf_mask->SCL_COEF_RAM_SELECT_CURRENT,
365				dpp->tf_shift->SCL_COEF_RAM_SELECT_CURRENT);
366
367			/* Swap coefficient RAM and set chroma coefficient mode */
368			REG_SET_2(SCL_MODE, scl_mode,
369					SCL_COEF_RAM_SELECT, !coef_ram_current,
370					SCL_CHROMA_COEF_MODE, chroma_coef_mode);
371		}
372	}
373}
374
375static int dpp1_dscl_get_lb_depth_bpc(enum lb_pixel_depth depth)
376{
377	if (depth == LB_PIXEL_DEPTH_30BPP)
378		return 10;
379	else if (depth == LB_PIXEL_DEPTH_24BPP)
380		return 8;
381	else if (depth == LB_PIXEL_DEPTH_18BPP)
382		return 6;
383	else if (depth == LB_PIXEL_DEPTH_36BPP)
384		return 12;
385	else {
386		BREAK_TO_DEBUGGER();
387		return -1; /* Unsupported */
388	}
389}
390
391void dpp1_dscl_calc_lb_num_partitions(
392		const struct scaler_data *scl_data,
393		enum lb_memory_config lb_config,
394		int *num_part_y,
395		int *num_part_c)
396{
397	int lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a,
398	lb_bpc, memory_line_size_y, memory_line_size_c, memory_line_size_a;
399
400	int line_size = scl_data->viewport.width < scl_data->recout.width ?
401			scl_data->viewport.width : scl_data->recout.width;
402	int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ?
403			scl_data->viewport_c.width : scl_data->recout.width;
404
405	if (line_size == 0)
406		line_size = 1;
407
408	if (line_size_c == 0)
409		line_size_c = 1;
410
411
412	lb_bpc = dpp1_dscl_get_lb_depth_bpc(scl_data->lb_params.depth);
413	memory_line_size_y = (line_size * lb_bpc + 71) / 72; /* +71 to ceil */
414	memory_line_size_c = (line_size_c * lb_bpc + 71) / 72; /* +71 to ceil */
415	memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
416
417	if (lb_config == LB_MEMORY_CONFIG_1) {
418		lb_memory_size = 816;
419		lb_memory_size_c = 816;
420		lb_memory_size_a = 984;
421	} else if (lb_config == LB_MEMORY_CONFIG_2) {
422		lb_memory_size = 1088;
423		lb_memory_size_c = 1088;
424		lb_memory_size_a = 1312;
425	} else if (lb_config == LB_MEMORY_CONFIG_3) {
426		/* 420 mode: using 3rd mem from Y, Cr and Cb */
427		lb_memory_size = 816 + 1088 + 848 + 848 + 848;
428		lb_memory_size_c = 816 + 1088;
429		lb_memory_size_a = 984 + 1312 + 456;
430	} else {
431		lb_memory_size = 816 + 1088 + 848;
432		lb_memory_size_c = 816 + 1088 + 848;
433		lb_memory_size_a = 984 + 1312 + 456;
434	}
435	*num_part_y = lb_memory_size / memory_line_size_y;
436	*num_part_c = lb_memory_size_c / memory_line_size_c;
437	num_partitions_a = lb_memory_size_a / memory_line_size_a;
438
439	if (scl_data->lb_params.alpha_en
440			&& (num_partitions_a < *num_part_y))
441		*num_part_y = num_partitions_a;
442
443	if (*num_part_y > 64)
444		*num_part_y = 64;
445	if (*num_part_c > 64)
446		*num_part_c = 64;
447
448}
449
450bool dpp1_dscl_is_lb_conf_valid(int ceil_vratio, int num_partitions, int vtaps)
451{
452	if (ceil_vratio > 2)
453		return vtaps <= (num_partitions - ceil_vratio + 2);
454	else
455		return vtaps <= num_partitions;
456}
457
458/*find first match configuration which meets the min required lb size*/
459static enum lb_memory_config dpp1_dscl_find_lb_memory_config(struct dcn10_dpp *dpp,
460		const struct scaler_data *scl_data)
461{
462	int num_part_y, num_part_c;
463	int vtaps = scl_data->taps.v_taps;
464	int vtaps_c = scl_data->taps.v_taps_c;
465	int ceil_vratio = dc_fixpt_ceil(scl_data->ratios.vert);
466	int ceil_vratio_c = dc_fixpt_ceil(scl_data->ratios.vert_c);
467
468	if (dpp->base.ctx->dc->debug.use_max_lb) {
469		if (scl_data->format == PIXEL_FORMAT_420BPP8
470				|| scl_data->format == PIXEL_FORMAT_420BPP10)
471			return LB_MEMORY_CONFIG_3;
472		return LB_MEMORY_CONFIG_0;
473	}
474
475	dpp->base.caps->dscl_calc_lb_num_partitions(
476			scl_data, LB_MEMORY_CONFIG_1, &num_part_y, &num_part_c);
477
478	if (dpp1_dscl_is_lb_conf_valid(ceil_vratio, num_part_y, vtaps)
479			&& dpp1_dscl_is_lb_conf_valid(ceil_vratio_c, num_part_c, vtaps_c))
480		return LB_MEMORY_CONFIG_1;
481
482	dpp->base.caps->dscl_calc_lb_num_partitions(
483			scl_data, LB_MEMORY_CONFIG_2, &num_part_y, &num_part_c);
484
485	if (dpp1_dscl_is_lb_conf_valid(ceil_vratio, num_part_y, vtaps)
486			&& dpp1_dscl_is_lb_conf_valid(ceil_vratio_c, num_part_c, vtaps_c))
487		return LB_MEMORY_CONFIG_2;
488
489	if (scl_data->format == PIXEL_FORMAT_420BPP8
490			|| scl_data->format == PIXEL_FORMAT_420BPP10) {
491		dpp->base.caps->dscl_calc_lb_num_partitions(
492				scl_data, LB_MEMORY_CONFIG_3, &num_part_y, &num_part_c);
493
494		if (dpp1_dscl_is_lb_conf_valid(ceil_vratio, num_part_y, vtaps)
495				&& dpp1_dscl_is_lb_conf_valid(ceil_vratio_c, num_part_c, vtaps_c))
496			return LB_MEMORY_CONFIG_3;
497	}
498
499	dpp->base.caps->dscl_calc_lb_num_partitions(
500			scl_data, LB_MEMORY_CONFIG_0, &num_part_y, &num_part_c);
501
502	/*Ensure we can support the requested number of vtaps*/
503	ASSERT(dpp1_dscl_is_lb_conf_valid(ceil_vratio, num_part_y, vtaps)
504			&& dpp1_dscl_is_lb_conf_valid(ceil_vratio_c, num_part_c, vtaps_c));
505
506	return LB_MEMORY_CONFIG_0;
507}
508
509
510static void dpp1_dscl_set_manual_ratio_init(
511		struct dcn10_dpp *dpp, const struct scaler_data *data)
512{
513	uint32_t init_frac = 0;
514	uint32_t init_int = 0;
515
516	REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
517			SCL_H_SCALE_RATIO, dc_fixpt_u3d19(data->ratios.horz) << 5);
518
519	REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
520			SCL_V_SCALE_RATIO, dc_fixpt_u3d19(data->ratios.vert) << 5);
521
522	REG_SET(SCL_HORZ_FILTER_SCALE_RATIO_C, 0,
523			SCL_H_SCALE_RATIO_C, dc_fixpt_u3d19(data->ratios.horz_c) << 5);
524
525	REG_SET(SCL_VERT_FILTER_SCALE_RATIO_C, 0,
526			SCL_V_SCALE_RATIO_C, dc_fixpt_u3d19(data->ratios.vert_c) << 5);
527
528	/*
529	 * 0.24 format for fraction, first five bits zeroed
530	 */
531	init_frac = dc_fixpt_u0d19(data->inits.h) << 5;
532	init_int = dc_fixpt_floor(data->inits.h);
533	REG_SET_2(SCL_HORZ_FILTER_INIT, 0,
534		SCL_H_INIT_FRAC, init_frac,
535		SCL_H_INIT_INT, init_int);
536
537	init_frac = dc_fixpt_u0d19(data->inits.h_c) << 5;
538	init_int = dc_fixpt_floor(data->inits.h_c);
539	REG_SET_2(SCL_HORZ_FILTER_INIT_C, 0,
540		SCL_H_INIT_FRAC_C, init_frac,
541		SCL_H_INIT_INT_C, init_int);
542
543	init_frac = dc_fixpt_u0d19(data->inits.v) << 5;
544	init_int = dc_fixpt_floor(data->inits.v);
545	REG_SET_2(SCL_VERT_FILTER_INIT, 0,
546		SCL_V_INIT_FRAC, init_frac,
547		SCL_V_INIT_INT, init_int);
548
549	if (REG(SCL_VERT_FILTER_INIT_BOT)) {
550		struct fixed31_32 bot = dc_fixpt_add(data->inits.v, data->ratios.vert);
551
552		init_frac = dc_fixpt_u0d19(bot) << 5;
553		init_int = dc_fixpt_floor(bot);
554		REG_SET_2(SCL_VERT_FILTER_INIT_BOT, 0,
555			SCL_V_INIT_FRAC_BOT, init_frac,
556			SCL_V_INIT_INT_BOT, init_int);
557	}
558
559	init_frac = dc_fixpt_u0d19(data->inits.v_c) << 5;
560	init_int = dc_fixpt_floor(data->inits.v_c);
561	REG_SET_2(SCL_VERT_FILTER_INIT_C, 0,
562		SCL_V_INIT_FRAC_C, init_frac,
563		SCL_V_INIT_INT_C, init_int);
564
565	if (REG(SCL_VERT_FILTER_INIT_BOT_C)) {
566		struct fixed31_32 bot = dc_fixpt_add(data->inits.v_c, data->ratios.vert_c);
567
568		init_frac = dc_fixpt_u0d19(bot) << 5;
569		init_int = dc_fixpt_floor(bot);
570		REG_SET_2(SCL_VERT_FILTER_INIT_BOT_C, 0,
571			SCL_V_INIT_FRAC_BOT_C, init_frac,
572			SCL_V_INIT_INT_BOT_C, init_int);
573	}
574}
575
576/**
577 * dpp1_dscl_set_recout - Set the first pixel of RECOUT in the OTG active area
578 *
579 * @dpp: DPP data struct
580 * @recout: Rectangle information
581 *
582 * This function sets the MPC RECOUT_START and RECOUT_SIZE registers based on
583 * the values specified in the recount parameter.
584 *
585 * Note: This function only have effect if AutoCal is disabled.
586 */
587static void dpp1_dscl_set_recout(struct dcn10_dpp *dpp,
588				 const struct rect *recout)
589{
590	REG_SET_2(RECOUT_START, 0,
591		  /* First pixel of RECOUT in the active OTG area */
592		  RECOUT_START_X, recout->x,
593		  /* First line of RECOUT in the active OTG area */
594		  RECOUT_START_Y, recout->y);
595
596	REG_SET_2(RECOUT_SIZE, 0,
597		  /* Number of RECOUT horizontal pixels */
598		  RECOUT_WIDTH, recout->width,
599		  /* Number of RECOUT vertical lines */
600		  RECOUT_HEIGHT, recout->height);
601}
602
603/**
604 * dpp1_dscl_set_scaler_manual_scale - Manually program scaler and line buffer
605 *
606 * @dpp_base: High level DPP struct
607 * @scl_data: scalaer_data info
608 *
609 * This is the primary function to program scaler and line buffer in manual
610 * scaling mode. To execute the required operations for manual scale, we need
611 * to disable AutoCal first.
612 */
613void dpp1_dscl_set_scaler_manual_scale(struct dpp *dpp_base,
614				       const struct scaler_data *scl_data)
615{
616	enum lb_memory_config lb_config;
617	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
618	enum dscl_mode_sel dscl_mode = dpp1_dscl_get_dscl_mode(
619			dpp_base, scl_data, dpp_base->ctx->dc->debug.always_scale);
620	bool ycbcr = scl_data->format >= PIXEL_FORMAT_VIDEO_BEGIN
621				&& scl_data->format <= PIXEL_FORMAT_VIDEO_END;
622
623	if (memcmp(&dpp->scl_data, scl_data, sizeof(*scl_data)) == 0)
624		return;
625
626	PERF_TRACE();
627
628	dpp->scl_data = *scl_data;
629
630	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.dscl) {
631		if (dscl_mode != DSCL_MODE_DSCL_BYPASS)
632			dpp1_power_on_dscl(dpp_base, true);
633	}
634
635	/* Autocal off */
636	REG_SET_3(DSCL_AUTOCAL, 0,
637		AUTOCAL_MODE, AUTOCAL_MODE_OFF,
638		AUTOCAL_NUM_PIPE, 0,
639		AUTOCAL_PIPE_ID, 0);
640
641	/*clean scaler boundary mode when Autocal off*/
642	REG_SET(DSCL_CONTROL, 0,
643		SCL_BOUNDARY_MODE, 0);
644
645	/* Recout */
646	dpp1_dscl_set_recout(dpp, &scl_data->recout);
647
648	/* MPC Size */
649	REG_SET_2(MPC_SIZE, 0,
650		/* Number of horizontal pixels of MPC */
651			 MPC_WIDTH, scl_data->h_active,
652		/* Number of vertical lines of MPC */
653			 MPC_HEIGHT, scl_data->v_active);
654
655	/* SCL mode */
656	REG_UPDATE(SCL_MODE, DSCL_MODE, dscl_mode);
657
658	if (dscl_mode == DSCL_MODE_DSCL_BYPASS) {
659		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.dscl)
660			dpp1_power_on_dscl(dpp_base, false);
661		return;
662	}
663
664	/* LB */
665	lb_config =  dpp1_dscl_find_lb_memory_config(dpp, scl_data);
666	dpp1_dscl_set_lb(dpp, &scl_data->lb_params, lb_config);
667
668	if (dscl_mode == DSCL_MODE_SCALING_444_BYPASS)
669		return;
670
671	/* Black offsets */
672	if (REG(SCL_BLACK_OFFSET)) {
673		if (ycbcr)
674			REG_SET_2(SCL_BLACK_OFFSET, 0,
675					SCL_BLACK_OFFSET_RGB_Y, BLACK_OFFSET_RGB_Y,
676					SCL_BLACK_OFFSET_CBCR, BLACK_OFFSET_CBCR);
677		else
678
679			REG_SET_2(SCL_BLACK_OFFSET, 0,
680					SCL_BLACK_OFFSET_RGB_Y, BLACK_OFFSET_RGB_Y,
681					SCL_BLACK_OFFSET_CBCR, BLACK_OFFSET_RGB_Y);
682	}
683
684	/* Manually calculate scale ratio and init values */
685	dpp1_dscl_set_manual_ratio_init(dpp, scl_data);
686
687	/* HTaps/VTaps */
688	REG_SET_4(SCL_TAP_CONTROL, 0,
689		SCL_V_NUM_TAPS, scl_data->taps.v_taps - 1,
690		SCL_H_NUM_TAPS, scl_data->taps.h_taps - 1,
691		SCL_V_NUM_TAPS_C, scl_data->taps.v_taps_c - 1,
692		SCL_H_NUM_TAPS_C, scl_data->taps.h_taps_c - 1);
693
694	dpp1_dscl_set_scl_filter(dpp, scl_data, ycbcr);
695	PERF_TRACE();
696}
697