1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/* Copyright (C) 2017 - 2018 Intel Corporation */
3
4#ifndef __IPU3_UAPI_H
5#define __IPU3_UAPI_H
6
7#include <linux/types.h>
8
9/* from /drivers/staging/media/ipu3/include/videodev2.h */
10
11/* Vendor specific - used for IPU3 camera sub-system */
12/* IPU3 processing parameters */
13#define V4L2_META_FMT_IPU3_PARAMS	v4l2_fourcc('i', 'p', '3', 'p')
14/* IPU3 3A statistics */
15#define V4L2_META_FMT_IPU3_STAT_3A	v4l2_fourcc('i', 'p', '3', 's')
16
17/* from include/uapi/linux/v4l2-controls.h */
18#define V4L2_CID_INTEL_IPU3_BASE	(V4L2_CID_USER_BASE + 0x10c0)
19#define V4L2_CID_INTEL_IPU3_MODE	(V4L2_CID_INTEL_IPU3_BASE + 1)
20
21/******************* ipu3_uapi_stats_3a *******************/
22
23#define IPU3_UAPI_MAX_STRIPES				2
24#define IPU3_UAPI_MAX_BUBBLE_SIZE			10
25
26#define IPU3_UAPI_GRID_START_MASK			((1 << 12) - 1)
27#define IPU3_UAPI_GRID_Y_START_EN			(1 << 15)
28
29/* controls generation of meta_data (like FF enable/disable) */
30#define IPU3_UAPI_AWB_RGBS_THR_B_EN			(1 << 14)
31#define IPU3_UAPI_AWB_RGBS_THR_B_INCL_SAT		(1 << 15)
32
33/**
34 * struct ipu3_uapi_grid_config - Grid plane config
35 *
36 * @width:	Grid horizontal dimensions, in number of grid blocks(cells).
37 *		For AWB, the range is (16, 80).
38 *		For AF/AE, the range is (16, 32).
39 * @height:	Grid vertical dimensions, in number of grid cells.
40 *		For AWB, the range is (16, 60).
41 *		For AF/AE, the range is (16, 24).
42 * @block_width_log2:	Log2 of the width of each cell in pixels.
43 *			For AWB, the range is [3, 6].
44 *			For AF/AE, the range is [3, 7].
45 * @block_height_log2:	Log2 of the height of each cell in pixels.
46 *			For AWB, the range is [3, 6].
47 *			For AF/AE, the range is [3, 7].
48 * @height_per_slice:	The number of blocks in vertical axis per slice.
49 *			Default 2.
50 * @x_start: X value of top left corner of Region of Interest(ROI).
51 * @y_start: Y value of top left corner of ROI
52 * @x_end: X value of bottom right corner of ROI
53 * @y_end: Y value of bottom right corner of ROI
54 *
55 * Due to the size of total amount of collected data, most statistics
56 * create a grid-based output, and the data is then divided into "slices".
57 */
58struct ipu3_uapi_grid_config {
59	__u8 width;
60	__u8 height;
61	__u16 block_width_log2:3;
62	__u16 block_height_log2:3;
63	__u16 height_per_slice:8;
64	__u16 x_start;
65	__u16 y_start;
66	__u16 x_end;
67	__u16 y_end;
68} __packed;
69
70/**
71 * struct ipu3_uapi_awb_set_item - Memory layout for each cell in AWB
72 *
73 * @Gr_avg:	Green average for red lines in the cell.
74 * @R_avg:	Red average in the cell.
75 * @B_avg:	Blue average in the cell.
76 * @Gb_avg:	Green average for blue lines in the cell.
77 * @sat_ratio:  Percentage of pixels over the thresholds specified in
78 *		ipu3_uapi_awb_config_s, coded from 0 to 255.
79 * @padding0:   Unused byte for padding.
80 * @padding1:   Unused byte for padding.
81 * @padding2:   Unused byte for padding.
82 */
83struct ipu3_uapi_awb_set_item {
84	__u8 Gr_avg;
85	__u8 R_avg;
86	__u8 B_avg;
87	__u8 Gb_avg;
88	__u8 sat_ratio;
89	__u8 padding0;
90	__u8 padding1;
91	__u8 padding2;
92} __attribute__((packed));
93
94/*
95 * The grid based data is divided into "slices" called set, each slice of setX
96 * refers to ipu3_uapi_grid_config width * height_per_slice.
97 */
98#define IPU3_UAPI_AWB_MAX_SETS				60
99/* Based on grid size 80 * 60 and cell size 16 x 16 */
100#define IPU3_UAPI_AWB_SET_SIZE				160
101#define IPU3_UAPI_AWB_SPARE_FOR_BUBBLES \
102	(IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES)
103#define IPU3_UAPI_AWB_MAX_BUFFER_SIZE \
104	(IPU3_UAPI_AWB_MAX_SETS * \
105	 (IPU3_UAPI_AWB_SET_SIZE + IPU3_UAPI_AWB_SPARE_FOR_BUBBLES))
106
107/**
108 * struct ipu3_uapi_awb_raw_buffer - AWB raw buffer
109 *
110 * @meta_data: buffer to hold auto white balance meta data which is
111 *		the average values for each color channel.
112 */
113struct ipu3_uapi_awb_raw_buffer {
114	struct ipu3_uapi_awb_set_item meta_data[IPU3_UAPI_AWB_MAX_BUFFER_SIZE]
115		__attribute__((aligned(32)));
116} __packed;
117
118/**
119 * struct ipu3_uapi_awb_config_s - AWB config
120 *
121 * @rgbs_thr_gr: gr threshold value.
122 * @rgbs_thr_r: Red threshold value.
123 * @rgbs_thr_gb: gb threshold value.
124 * @rgbs_thr_b: Blue threshold value.
125 * @grid: &ipu3_uapi_grid_config, the default grid resolution is 16x16 cells.
126 *
127 * The threshold is a saturation measure range [0, 8191], 8191 is default.
128 * Values over threshold may be optionally rejected for averaging.
129 */
130struct ipu3_uapi_awb_config_s {
131	__u16 rgbs_thr_gr;
132	__u16 rgbs_thr_r;
133	__u16 rgbs_thr_gb;
134	__u16 rgbs_thr_b;
135	struct ipu3_uapi_grid_config grid;
136} __attribute__((aligned(32))) __packed;
137
138/**
139 * struct ipu3_uapi_awb_config - AWB config wrapper
140 *
141 * @config: config for auto white balance as defined by &ipu3_uapi_awb_config_s
142 */
143struct ipu3_uapi_awb_config {
144	struct ipu3_uapi_awb_config_s config __attribute__((aligned(32)));
145} __packed;
146
147#define IPU3_UAPI_AE_COLORS				4	/* R, G, B, Y */
148#define IPU3_UAPI_AE_BINS				256
149#define IPU3_UAPI_AE_WEIGHTS				96
150
151/**
152 * struct ipu3_uapi_ae_raw_buffer - AE global weighted histogram
153 *
154 * @vals: Sum of IPU3_UAPI_AE_COLORS in cell
155 *
156 * Each histogram contains IPU3_UAPI_AE_BINS bins. Each bin has 24 bit unsigned
157 * for counting the number of the pixel.
158 */
159struct ipu3_uapi_ae_raw_buffer {
160	__u32 vals[IPU3_UAPI_AE_BINS * IPU3_UAPI_AE_COLORS];
161} __packed;
162
163/**
164 * struct ipu3_uapi_ae_raw_buffer_aligned - AE raw buffer
165 *
166 * @buff: &ipu3_uapi_ae_raw_buffer to hold full frame meta data.
167 */
168struct ipu3_uapi_ae_raw_buffer_aligned {
169	struct ipu3_uapi_ae_raw_buffer buff __attribute__((aligned(32)));
170} __packed;
171
172/**
173 * struct ipu3_uapi_ae_grid_config - AE weight grid
174 *
175 * @width: Grid horizontal dimensions. Value: [16, 32], default 16.
176 * @height: Grid vertical dimensions. Value: [16, 24], default 16.
177 * @block_width_log2: Log2 of the width of the grid cell, value: [3, 7].
178 * @block_height_log2: Log2 of the height of the grid cell, value: [3, 7].
179 *			default is 3 (cell size 8x8), 4 cell per grid.
180 * @reserved0: reserved
181 * @ae_en: 0: does not write to &ipu3_uapi_ae_raw_buffer_aligned array,
182 *		1: write normally.
183 * @rst_hist_array: write 1 to trigger histogram array reset.
184 * @done_rst_hist_array: flag for histogram array reset done.
185 * @x_start: X value of top left corner of ROI, default 0.
186 * @y_start: Y value of top left corner of ROI, default 0.
187 * @x_end: X value of bottom right corner of ROI
188 * @y_end: Y value of bottom right corner of ROI
189 *
190 * The AE block accumulates 4 global weighted histograms(R, G, B, Y) over
191 * a defined ROI within the frame. The contribution of each pixel into the
192 * histogram, defined by &ipu3_uapi_ae_weight_elem LUT, is indexed by a grid.
193 */
194struct ipu3_uapi_ae_grid_config {
195	__u8 width;
196	__u8 height;
197	__u8 block_width_log2:4;
198	__u8 block_height_log2:4;
199	__u8 reserved0:5;
200	__u8 ae_en:1;
201	__u8 rst_hist_array:1;
202	__u8 done_rst_hist_array:1;
203	__u16 x_start;
204	__u16 y_start;
205	__u16 x_end;
206	__u16 y_end;
207} __packed;
208
209/**
210 * struct ipu3_uapi_ae_weight_elem - AE weights LUT
211 *
212 * @cell0: weighted histogram grid value.
213 * @cell1: weighted histogram grid value.
214 * @cell2: weighted histogram grid value.
215 * @cell3: weighted histogram grid value.
216 * @cell4: weighted histogram grid value.
217 * @cell5: weighted histogram grid value.
218 * @cell6: weighted histogram grid value.
219 * @cell7: weighted histogram grid value.
220 *
221 * Use weighted grid value to give a different contribution factor to each cell.
222 * Precision u4, range [0, 15].
223 */
224struct ipu3_uapi_ae_weight_elem {
225	__u32 cell0:4;
226	__u32 cell1:4;
227	__u32 cell2:4;
228	__u32 cell3:4;
229	__u32 cell4:4;
230	__u32 cell5:4;
231	__u32 cell6:4;
232	__u32 cell7:4;
233} __packed;
234
235/**
236 * struct ipu3_uapi_ae_ccm - AE coefficients for WB and CCM
237 *
238 * @gain_gr: WB gain factor for the gr channels. Default 256.
239 * @gain_r: WB gain factor for the r channel. Default 256.
240 * @gain_b: WB gain factor for the b channel. Default 256.
241 * @gain_gb: WB gain factor for the gb channels. Default 256.
242 * @mat: 4x4 matrix that transforms Bayer quad output from WB to RGB+Y.
243 *
244 * Default:
245 *	128, 0, 0, 0,
246 *	0, 128, 0, 0,
247 *	0, 0, 128, 0,
248 *	0, 0, 0, 128,
249 *
250 * As part of the raw frame pre-process stage, the WB and color conversion need
251 * to be applied to expose the impact of these gain operations.
252 */
253struct ipu3_uapi_ae_ccm {
254	__u16 gain_gr;
255	__u16 gain_r;
256	__u16 gain_b;
257	__u16 gain_gb;
258	__s16 mat[16];
259} __packed;
260
261/**
262 * struct ipu3_uapi_ae_config - AE config
263 *
264 * @grid_cfg:	config for auto exposure statistics grid. See struct
265 *		&ipu3_uapi_ae_grid_config, as Imgu did not support output
266 *		auto exposure statistics, so user can ignore this configuration
267 *		and use the RGB table in auto-whitebalance statistics instead.
268 * @weights:	&IPU3_UAPI_AE_WEIGHTS is based on 32x24 blocks in the grid.
269 *		Each grid cell has a corresponding value in weights LUT called
270 *		grid value, global histogram is updated based on grid value and
271 *		pixel value.
272 * @ae_ccm:	Color convert matrix pre-processing block.
273 *
274 * Calculate AE grid from image resolution, resample ae weights.
275 */
276struct ipu3_uapi_ae_config {
277	struct ipu3_uapi_ae_grid_config grid_cfg __attribute__((aligned(32)));
278	struct ipu3_uapi_ae_weight_elem weights[IPU3_UAPI_AE_WEIGHTS]
279						__attribute__((aligned(32)));
280	struct ipu3_uapi_ae_ccm ae_ccm __attribute__((aligned(32)));
281} __packed;
282
283/**
284 * struct ipu3_uapi_af_filter_config - AF 2D filter for contrast measurements
285 *
286 * @y1_coeff_0:	filter Y1, structure: 3x11, support both symmetry and
287 *		anti-symmetry type. A12 is center, A1-A11 are neighbours.
288 *		for analyzing low frequency content, used to calculate sum
289 *		of gradients in x direction.
290 * @y1_coeff_0.a1:	filter1 coefficients A1, u8, default 0.
291 * @y1_coeff_0.a2:	filter1 coefficients A2, u8, default 0.
292 * @y1_coeff_0.a3:	filter1 coefficients A3, u8, default 0.
293 * @y1_coeff_0.a4:	filter1 coefficients A4, u8, default 0.
294 * @y1_coeff_1:		Struct
295 * @y1_coeff_1.a5:	filter1 coefficients A5, u8, default 0.
296 * @y1_coeff_1.a6:	filter1 coefficients A6, u8, default 0.
297 * @y1_coeff_1.a7:	filter1 coefficients A7, u8, default 0.
298 * @y1_coeff_1.a8:	filter1 coefficients A8, u8, default 0.
299 * @y1_coeff_2:		Struct
300 * @y1_coeff_2.a9:	filter1 coefficients A9, u8, default 0.
301 * @y1_coeff_2.a10:	filter1 coefficients A10, u8, default 0.
302 * @y1_coeff_2.a11:	filter1 coefficients A11, u8, default 0.
303 * @y1_coeff_2.a12:	filter1 coefficients A12, u8, default 128.
304 * @y1_sign_vec:	Each bit corresponds to one coefficient sign bit,
305 *			0: positive, 1: negative, default 0.
306 * @y2_coeff_0:	Y2, same structure as Y1. For analyzing high frequency content.
307 * @y2_coeff_0.a1:	filter2 coefficients A1, u8, default 0.
308 * @y2_coeff_0.a2:	filter2 coefficients A2, u8, default 0.
309 * @y2_coeff_0.a3:	filter2 coefficients A3, u8, default 0.
310 * @y2_coeff_0.a4:	filter2 coefficients A4, u8, default 0.
311 * @y2_coeff_1:	Struct
312 * @y2_coeff_1.a5:	filter2 coefficients A5, u8, default 0.
313 * @y2_coeff_1.a6:	filter2 coefficients A6, u8, default 0.
314 * @y2_coeff_1.a7:	filter2 coefficients A7, u8, default 0.
315 * @y2_coeff_1.a8:	filter2 coefficients A8, u8, default 0.
316 * @y2_coeff_2:	Struct
317 * @y2_coeff_2.a9:	filter1 coefficients A9, u8, default 0.
318 * @y2_coeff_2.a10:	filter1 coefficients A10, u8, default 0.
319 * @y2_coeff_2.a11:	filter1 coefficients A11, u8, default 0.
320 * @y2_coeff_2.a12:	filter1 coefficients A12, u8, default 128.
321 * @y2_sign_vec:	Each bit corresponds to one coefficient sign bit,
322 *			0: positive, 1: negative, default 0.
323 * @y_calc:	Pre-processing that converts Bayer quad to RGB+Y values to be
324 *		used for building histogram. Range [0, 32], default 8.
325 * Rule:
326 *		y_gen_rate_gr + y_gen_rate_r + y_gen_rate_b + y_gen_rate_gb = 32
327 *		A single Y is calculated based on sum of Gr/R/B/Gb based on
328 *		their contribution ratio.
329 * @y_calc.y_gen_rate_gr:	Contribution ratio Gr for Y
330 * @y_calc.y_gen_rate_r:	Contribution ratio R for Y
331 * @y_calc.y_gen_rate_b:	Contribution ratio B for Y
332 * @y_calc.y_gen_rate_gb:	Contribution ratio Gb for Y
333 * @nf:	The shift right value that should be applied during the Y1/Y2 filter to
334 *	make sure the total memory needed is 2 bytes per grid cell.
335 * @nf.reserved0:	reserved
336 * @nf.y1_nf:	Normalization factor for the convolution coeffs of y1,
337 *		should be log2 of the sum of the abs values of the filter
338 *		coeffs, default 7 (2^7 = 128).
339 * @nf.reserved1:	reserved
340 * @nf.y2_nf:	Normalization factor for y2, should be log2 of the sum of the
341 *		abs values of the filter coeffs.
342 * @nf.reserved2:	reserved
343 */
344struct ipu3_uapi_af_filter_config {
345	struct {
346		__u8 a1;
347		__u8 a2;
348		__u8 a3;
349		__u8 a4;
350	} y1_coeff_0;
351	struct {
352		__u8 a5;
353		__u8 a6;
354		__u8 a7;
355		__u8 a8;
356	} y1_coeff_1;
357	struct {
358		__u8 a9;
359		__u8 a10;
360		__u8 a11;
361		__u8 a12;
362	} y1_coeff_2;
363
364	__u32 y1_sign_vec;
365
366	struct {
367		__u8 a1;
368		__u8 a2;
369		__u8 a3;
370		__u8 a4;
371	} y2_coeff_0;
372	struct {
373		__u8 a5;
374		__u8 a6;
375		__u8 a7;
376		__u8 a8;
377	} y2_coeff_1;
378	struct {
379		__u8 a9;
380		__u8 a10;
381		__u8 a11;
382		__u8 a12;
383	} y2_coeff_2;
384
385	__u32 y2_sign_vec;
386
387	struct {
388		__u8 y_gen_rate_gr;
389		__u8 y_gen_rate_r;
390		__u8 y_gen_rate_b;
391		__u8 y_gen_rate_gb;
392	} y_calc;
393
394	struct {
395		__u32 reserved0:8;
396		__u32 y1_nf:4;
397		__u32 reserved1:4;
398		__u32 y2_nf:4;
399		__u32 reserved2:12;
400	} nf;
401} __packed;
402
403#define IPU3_UAPI_AF_MAX_SETS				24
404#define IPU3_UAPI_AF_MD_ITEM_SIZE			4
405#define IPU3_UAPI_AF_SPARE_FOR_BUBBLES \
406	(IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \
407	 IPU3_UAPI_AF_MD_ITEM_SIZE)
408#define IPU3_UAPI_AF_Y_TABLE_SET_SIZE			128
409#define IPU3_UAPI_AF_Y_TABLE_MAX_SIZE \
410	(IPU3_UAPI_AF_MAX_SETS * \
411	 (IPU3_UAPI_AF_Y_TABLE_SET_SIZE + IPU3_UAPI_AF_SPARE_FOR_BUBBLES) * \
412	 IPU3_UAPI_MAX_STRIPES)
413
414/**
415 * struct ipu3_uapi_af_raw_buffer - AF meta data
416 *
417 * @y_table:	Each color component will be convolved separately with filter1
418 *		and filter2 and the result will be summed out and averaged for
419 *		each cell.
420 */
421struct ipu3_uapi_af_raw_buffer {
422	__u8 y_table[IPU3_UAPI_AF_Y_TABLE_MAX_SIZE] __attribute__((aligned(32)));
423} __packed;
424
425/**
426 * struct ipu3_uapi_af_config_s - AF config
427 *
428 * @filter_config: AF uses Y1 and Y2 filters as configured in
429 *		   &ipu3_uapi_af_filter_config
430 * @padding: paddings
431 * @grid_cfg: See &ipu3_uapi_grid_config, default resolution 16x16. Use large
432 *	      grid size for large image and vice versa.
433 */
434struct ipu3_uapi_af_config_s {
435	struct ipu3_uapi_af_filter_config filter_config __attribute__((aligned(32)));
436	__u8 padding[4];
437	struct ipu3_uapi_grid_config grid_cfg __attribute__((aligned(32)));
438} __packed;
439
440#define IPU3_UAPI_AWB_FR_MAX_SETS			24
441#define IPU3_UAPI_AWB_FR_MD_ITEM_SIZE			8
442#define IPU3_UAPI_AWB_FR_BAYER_TBL_SIZE			256
443#define IPU3_UAPI_AWB_FR_SPARE_FOR_BUBBLES \
444	(IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \
445	 IPU3_UAPI_AWB_FR_MD_ITEM_SIZE)
446#define IPU3_UAPI_AWB_FR_BAYER_TABLE_MAX_SIZE \
447	(IPU3_UAPI_AWB_FR_MAX_SETS * \
448	(IPU3_UAPI_AWB_FR_BAYER_TBL_SIZE + \
449	 IPU3_UAPI_AWB_FR_SPARE_FOR_BUBBLES) * IPU3_UAPI_MAX_STRIPES)
450
451/**
452 * struct ipu3_uapi_awb_fr_raw_buffer - AWB filter response meta data
453 *
454 * @meta_data: Statistics output on the grid after convolving with 1D filter.
455 */
456struct ipu3_uapi_awb_fr_raw_buffer {
457	__u8 meta_data[IPU3_UAPI_AWB_FR_BAYER_TABLE_MAX_SIZE]
458		__attribute__((aligned(32)));
459} __packed;
460
461/**
462 * struct ipu3_uapi_awb_fr_config_s - AWB filter response config
463 *
464 * @grid_cfg:	grid config, default 16x16.
465 * @bayer_coeff:	1D Filter 1x11 center symmetry/anti-symmetry.
466 *			coefficients defaults { 0, 0, 0, 0, 0, 128 }.
467 *			Applied on whole image for each Bayer channel separately
468 *			by a weighted sum of its 11x1 neighbors.
469 * @reserved1:	reserved
470 * @bayer_sign:	sign of filter coefficients, default 0.
471 * @bayer_nf:	normalization factor for the convolution coeffs, to make sure
472 *		total memory needed is within pre-determined range.
473 *		NF should be the log2 of the sum of the abs values of the
474 *		filter coeffs, range [7, 14], default 7.
475 * @reserved2:	reserved
476 */
477struct ipu3_uapi_awb_fr_config_s {
478	struct ipu3_uapi_grid_config grid_cfg;
479	__u8 bayer_coeff[6];
480	__u16 reserved1;
481	__u32 bayer_sign;
482	__u8 bayer_nf;
483	__u8 reserved2[7];
484} __packed;
485
486/**
487 * struct ipu3_uapi_4a_config - 4A config
488 *
489 * @awb_config: &ipu3_uapi_awb_config_s, default resolution 16x16
490 * @ae_grd_config: auto exposure statistics &ipu3_uapi_ae_grid_config
491 * @padding: paddings
492 * @af_config: auto focus config &ipu3_uapi_af_config_s
493 * @awb_fr_config: &ipu3_uapi_awb_fr_config_s, default resolution 16x16
494 */
495struct ipu3_uapi_4a_config {
496	struct ipu3_uapi_awb_config_s awb_config __attribute__((aligned(32)));
497	struct ipu3_uapi_ae_grid_config ae_grd_config;
498	__u8 padding[20];
499	struct ipu3_uapi_af_config_s af_config;
500	struct ipu3_uapi_awb_fr_config_s awb_fr_config
501		__attribute__((aligned(32)));
502} __packed;
503
504/**
505 * struct ipu3_uapi_bubble_info - Bubble info for host side debugging
506 *
507 * @num_of_stripes: A single frame is divided into several parts called stripes
508 *		    due to limitation on line buffer memory.
509 *		    The separation between the stripes is vertical. Each such
510 *		    stripe is processed as a single frame by the ISP pipe.
511 * @padding: padding bytes.
512 * @num_sets: number of sets.
513 * @padding1: padding bytes.
514 * @size_of_set: set size.
515 * @padding2: padding bytes.
516 * @bubble_size: is the amount of padding in the bubble expressed in "sets".
517 * @padding3: padding bytes.
518 */
519struct ipu3_uapi_bubble_info {
520	__u32 num_of_stripes __attribute__((aligned(32)));
521	__u8 padding[28];
522	__u32 num_sets;
523	__u8 padding1[28];
524	__u32 size_of_set;
525	__u8 padding2[28];
526	__u32 bubble_size;
527	__u8 padding3[28];
528} __packed;
529
530/*
531 * struct ipu3_uapi_stats_3a_bubble_info_per_stripe
532 */
533struct ipu3_uapi_stats_3a_bubble_info_per_stripe {
534	struct ipu3_uapi_bubble_info awb[IPU3_UAPI_MAX_STRIPES];
535	struct ipu3_uapi_bubble_info af[IPU3_UAPI_MAX_STRIPES];
536	struct ipu3_uapi_bubble_info awb_fr[IPU3_UAPI_MAX_STRIPES];
537} __packed;
538
539/**
540 * struct ipu3_uapi_ff_status - Enable bits for each 3A fixed function
541 *
542 * @awb_en: auto white balance enable
543 * @padding: padding config
544 * @ae_en: auto exposure enable
545 * @padding1: padding config
546 * @af_en: auto focus enable
547 * @padding2: padding config
548 * @awb_fr_en: awb filter response enable bit
549 * @padding3: padding config
550 */
551struct ipu3_uapi_ff_status {
552	__u32 awb_en __attribute__((aligned(32)));
553	__u8 padding[28];
554	__u32 ae_en;
555	__u8 padding1[28];
556	__u32 af_en;
557	__u8 padding2[28];
558	__u32 awb_fr_en;
559	__u8 padding3[28];
560} __packed;
561
562/**
563 * struct ipu3_uapi_stats_3a - 3A statistics
564 *
565 * @awb_raw_buffer: auto white balance meta data &ipu3_uapi_awb_raw_buffer
566 * @ae_raw_buffer: auto exposure raw data &ipu3_uapi_ae_raw_buffer_aligned
567 *                 current Imgu does not output the auto exposure statistics
568 *                 to ae_raw_buffer, the user such as 3A algorithm can use the
569 *                 RGB table in &ipu3_uapi_awb_raw_buffer to do auto-exposure.
570 * @af_raw_buffer: &ipu3_uapi_af_raw_buffer for auto focus meta data
571 * @awb_fr_raw_buffer: value as specified by &ipu3_uapi_awb_fr_raw_buffer
572 * @stats_4a_config: 4a statistics config as defined by &ipu3_uapi_4a_config.
573 * @ae_join_buffers: 1 to use ae_raw_buffer.
574 * @padding: padding config
575 * @stats_3a_bubble_per_stripe: a &ipu3_uapi_stats_3a_bubble_info_per_stripe
576 * @stats_3a_status: 3a statistics status set in &ipu3_uapi_ff_status
577 */
578struct ipu3_uapi_stats_3a {
579	struct ipu3_uapi_awb_raw_buffer awb_raw_buffer;
580	struct ipu3_uapi_ae_raw_buffer_aligned
581			ae_raw_buffer[IPU3_UAPI_MAX_STRIPES];
582	struct ipu3_uapi_af_raw_buffer af_raw_buffer;
583	struct ipu3_uapi_awb_fr_raw_buffer awb_fr_raw_buffer;
584	struct ipu3_uapi_4a_config stats_4a_config;
585	__u32 ae_join_buffers;
586	__u8 padding[28];
587	struct ipu3_uapi_stats_3a_bubble_info_per_stripe
588			stats_3a_bubble_per_stripe;
589	struct ipu3_uapi_ff_status stats_3a_status;
590} __packed;
591
592/******************* ipu3_uapi_acc_param *******************/
593
594#define IPU3_UAPI_ISP_VEC_ELEMS				64
595#define IPU3_UAPI_ISP_TNR3_VMEM_LEN			9
596
597#define IPU3_UAPI_BNR_LUT_SIZE				32
598
599/* number of elements in gamma correction LUT */
600#define IPU3_UAPI_GAMMA_CORR_LUT_ENTRIES		256
601
602/* largest grid is 73x56, for grid_height_per_slice of 2, 73x2 = 146 */
603#define IPU3_UAPI_SHD_MAX_CELLS_PER_SET			146
604#define IPU3_UAPI_SHD_MAX_CFG_SETS			28
605/* Normalization shift aka nf */
606#define IPU3_UAPI_SHD_BLGR_NF_SHIFT			13
607#define IPU3_UAPI_SHD_BLGR_NF_MASK			7
608
609#define IPU3_UAPI_YUVP2_TCC_MACC_TABLE_ELEMENTS		16
610#define IPU3_UAPI_YUVP2_TCC_INV_Y_LUT_ELEMENTS		14
611#define IPU3_UAPI_YUVP2_TCC_GAIN_PCWL_LUT_ELEMENTS	258
612#define IPU3_UAPI_YUVP2_TCC_R_SQR_LUT_ELEMENTS		24
613
614#define IPU3_UAPI_ANR_LUT_SIZE				26
615#define IPU3_UAPI_ANR_PYRAMID_SIZE			22
616
617#define IPU3_UAPI_LIN_LUT_SIZE				64
618
619/* Bayer Noise Reduction related structs */
620
621/**
622 * struct ipu3_uapi_bnr_static_config_wb_gains_config - White balance gains
623 *
624 * @gr:	white balance gain for Gr channel.
625 * @r:	white balance gain for R channel.
626 * @b:	white balance gain for B channel.
627 * @gb:	white balance gain for Gb channel.
628 *
629 * For BNR parameters WB gain factor for the three channels [Ggr, Ggb, Gb, Gr].
630 * Their precision is U3.13 and the range is (0, 8) and the actual gain is
631 * Gx + 1, it is typically Gx = 1.
632 *
633 * Pout = {Pin * (1 + Gx)}.
634 */
635struct ipu3_uapi_bnr_static_config_wb_gains_config {
636	__u16 gr;
637	__u16 r;
638	__u16 b;
639	__u16 gb;
640} __packed;
641
642/**
643 * struct ipu3_uapi_bnr_static_config_wb_gains_thr_config - Threshold config
644 *
645 * @gr:	white balance threshold gain for Gr channel.
646 * @r:	white balance threshold gain for R channel.
647 * @b:	white balance threshold gain for B channel.
648 * @gb:	white balance threshold gain for Gb channel.
649 *
650 * Defines the threshold that specifies how different a defect pixel can be from
651 * its neighbors.(used by dynamic defect pixel correction sub block)
652 * Precision u4.4 range [0, 8].
653 */
654struct ipu3_uapi_bnr_static_config_wb_gains_thr_config {
655	__u8 gr;
656	__u8 r;
657	__u8 b;
658	__u8 gb;
659} __packed;
660
661/**
662 * struct ipu3_uapi_bnr_static_config_thr_coeffs_config - Noise model
663 *				coefficients that controls noise threshold
664 *
665 * @cf:	Free coefficient for threshold calculation, range [0, 8191], default 0.
666 * @reserved0:	reserved
667 * @cg:	Gain coefficient for threshold calculation, [0, 31], default 8.
668 * @ci:	Intensity coefficient for threshold calculation. range [0, 0x1f]
669 *	default 6.
670 *	format: u3.2 (3 most significant bits represent whole number,
671 *	2 least significant bits represent the fractional part
672 *	with each count representing 0.25)
673 *	e.g. 6 in binary format is 00110, that translates to 1.5
674 * @reserved1:	reserved
675 * @r_nf:	Normalization shift value for r^2 calculation, range [12, 20]
676 *		where r is a radius of pixel [row, col] from centor of sensor.
677 *		default 14.
678 *
679 * Threshold used to distinguish between noise and details.
680 */
681struct ipu3_uapi_bnr_static_config_thr_coeffs_config {
682	__u32 cf:13;
683	__u32 reserved0:3;
684	__u32 cg:5;
685	__u32 ci:5;
686	__u32 reserved1:1;
687	__u32 r_nf:5;
688} __packed;
689
690/**
691 * struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config - Shading config
692 *
693 * @gr:	Coefficient defines lens shading gain approximation for gr channel
694 * @r:	Coefficient defines lens shading gain approximation for r channel
695 * @b:	Coefficient defines lens shading gain approximation for b channel
696 * @gb:	Coefficient defines lens shading gain approximation for gb channel
697 *
698 * Parameters for noise model (NM) adaptation of BNR due to shading correction.
699 * All above have precision of u3.3, default to 0.
700 */
701struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config {
702	__u8 gr;
703	__u8 r;
704	__u8 b;
705	__u8 gb;
706} __packed;
707
708/**
709 * struct ipu3_uapi_bnr_static_config_opt_center_config - Optical center config
710 *
711 * @x_reset:	Reset value of X (col start - X center). Precision s12.0.
712 * @reserved0:	reserved
713 * @y_reset:	Reset value of Y (row start - Y center). Precision s12.0.
714 * @reserved2:	reserved
715 *
716 * Distance from corner to optical center for NM adaptation due to shading
717 * correction (should be calculated based on shading tables)
718 */
719struct ipu3_uapi_bnr_static_config_opt_center_config {
720	__s32 x_reset:13;
721	__u32 reserved0:3;
722	__s32 y_reset:13;
723	__u32 reserved2:3;
724} __packed;
725
726/**
727 * struct ipu3_uapi_bnr_static_config_lut_config - BNR square root lookup table
728 *
729 * @values: pre-calculated values of square root function.
730 *
731 * LUT implementation of square root operation.
732 */
733struct ipu3_uapi_bnr_static_config_lut_config {
734	__u8 values[IPU3_UAPI_BNR_LUT_SIZE];
735} __packed;
736
737/**
738 * struct ipu3_uapi_bnr_static_config_bp_ctrl_config - Detect bad pixels (bp)
739 *
740 * @bp_thr_gain:	Defines the threshold that specifies how different a
741 *			defect pixel can be from its neighbors. Threshold is
742 *			dependent on de-noise threshold calculated by algorithm.
743 *			Range [4, 31], default 4.
744 * @reserved0:	reserved
745 * @defect_mode:	Mode of addressed defect pixels,
746 *			0 - single defect pixel is expected,
747 *			1 - 2 adjacent defect pixels are expected, default 1.
748 * @bp_gain:	Defines how 2nd derivation that passes through a defect pixel
749 *		is different from 2nd derivations that pass through
750 *		neighbor pixels. u4.2, range [0, 256], default 8.
751 * @reserved1:	reserved
752 * @w0_coeff:	Blending coefficient of defect pixel correction.
753 *		Precision u4, range [0, 8], default 8.
754 * @reserved2:	reserved
755 * @w1_coeff:	Enable influence of incorrect defect pixel correction to be
756 *		avoided. Precision u4, range [1, 8], default 8.
757 * @reserved3:	reserved
758 */
759struct ipu3_uapi_bnr_static_config_bp_ctrl_config {
760	__u32 bp_thr_gain:5;
761	__u32 reserved0:2;
762	__u32 defect_mode:1;
763	__u32 bp_gain:6;
764	__u32 reserved1:18;
765	__u32 w0_coeff:4;
766	__u32 reserved2:4;
767	__u32 w1_coeff:4;
768	__u32 reserved3:20;
769} __packed;
770
771/**
772 * struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config - Denoising config
773 *
774 * @alpha:	Weight of central element of smoothing filter.
775 * @beta:	Weight of peripheral elements of smoothing filter, default 4.
776 * @gamma:	Weight of diagonal elements of smoothing filter, default 4.
777 *
778 * beta and gamma parameter define the strength of the noise removal filter.
779 *		All above has precision u0.4, range [0, 0xf]
780 *		format: u0.4 (no / zero bits represent whole number,
781 *		4 bits represent the fractional part
782 *		with each count representing 0.0625)
783 *		e.g. 0xf translates to 0.0625x15 = 0.9375
784 *
785 * @reserved0:	reserved
786 * @max_inf:	Maximum increase of peripheral or diagonal element influence
787 *		relative to the pre-defined value range: [0x5, 0xa]
788 * @reserved1:	reserved
789 * @gd_enable:	Green disparity enable control, 0 - disable, 1 - enable.
790 * @bpc_enable:	Bad pixel correction enable control, 0 - disable, 1 - enable.
791 * @bnr_enable:	Bayer noise removal enable control, 0 - disable, 1 - enable.
792 * @ff_enable:	Fixed function enable, 0 - disable, 1 - enable.
793 * @reserved2:	reserved
794 */
795struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config {
796	__u32 alpha:4;
797	__u32 beta:4;
798	__u32 gamma:4;
799	__u32 reserved0:4;
800	__u32 max_inf:4;
801	__u32 reserved1:7;
802	__u32 gd_enable:1;
803	__u32 bpc_enable:1;
804	__u32 bnr_enable:1;
805	__u32 ff_enable:1;
806	__u32 reserved2:1;
807} __packed;
808
809/**
810 * struct ipu3_uapi_bnr_static_config_opt_center_sqr_config - BNR optical square
811 *
812 * @x_sqr_reset: Reset value of X^2.
813 * @y_sqr_reset: Reset value of Y^2.
814 *
815 * Please note:
816 *
817 *    #. X and Y ref to
818 *       &ipu3_uapi_bnr_static_config_opt_center_config
819 *    #. Both structs are used in threshold formula to calculate r^2, where r
820 *       is a radius of pixel [row, col] from centor of sensor.
821 */
822struct ipu3_uapi_bnr_static_config_opt_center_sqr_config {
823	__u32 x_sqr_reset;
824	__u32 y_sqr_reset;
825} __packed;
826
827/**
828 * struct ipu3_uapi_bnr_static_config - BNR static config
829 *
830 * @wb_gains:	white balance gains &ipu3_uapi_bnr_static_config_wb_gains_config
831 * @wb_gains_thr:	white balance gains threshold as defined by
832 *			&ipu3_uapi_bnr_static_config_wb_gains_thr_config
833 * @thr_coeffs:	coefficients of threshold
834 *		&ipu3_uapi_bnr_static_config_thr_coeffs_config
835 * @thr_ctrl_shd:	control of shading threshold
836 *			&ipu3_uapi_bnr_static_config_thr_ctrl_shd_config
837 * @opt_center:	optical center &ipu3_uapi_bnr_static_config_opt_center_config
838 *
839 * Above parameters and opt_center_sqr are used for white balance and shading.
840 *
841 * @lut:	lookup table &ipu3_uapi_bnr_static_config_lut_config
842 * @bp_ctrl:	detect and remove bad pixels as defined in struct
843 *		&ipu3_uapi_bnr_static_config_bp_ctrl_config
844 * @dn_detect_ctrl:	detect and remove noise.
845 *			&ipu3_uapi_bnr_static_config_dn_detect_ctrl_config
846 * @column_size:	The number of pixels in column.
847 * @opt_center_sqr:	Reset value of r^2 to optical center, see
848 *			&ipu3_uapi_bnr_static_config_opt_center_sqr_config.
849 */
850struct ipu3_uapi_bnr_static_config {
851	struct ipu3_uapi_bnr_static_config_wb_gains_config wb_gains;
852	struct ipu3_uapi_bnr_static_config_wb_gains_thr_config wb_gains_thr;
853	struct ipu3_uapi_bnr_static_config_thr_coeffs_config thr_coeffs;
854	struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config thr_ctrl_shd;
855	struct ipu3_uapi_bnr_static_config_opt_center_config opt_center;
856	struct ipu3_uapi_bnr_static_config_lut_config lut;
857	struct ipu3_uapi_bnr_static_config_bp_ctrl_config bp_ctrl;
858	struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config dn_detect_ctrl;
859	__u32 column_size;
860	struct ipu3_uapi_bnr_static_config_opt_center_sqr_config opt_center_sqr;
861} __packed;
862
863/**
864 * struct ipu3_uapi_bnr_static_config_green_disparity - Correct green disparity
865 *
866 * @gd_red:	Shading gain coeff for gr disparity level in bright red region.
867 *		Precision u0.6, default 4(0.0625).
868 * @reserved0:	reserved
869 * @gd_green:	Shading gain coeff for gr disparity level in bright green
870 *		region. Precision u0.6, default 4(0.0625).
871 * @reserved1:	reserved
872 * @gd_blue:	Shading gain coeff for gr disparity level in bright blue region.
873 *		Precision u0.6, default 4(0.0625).
874 * @reserved2:	reserved
875 * @gd_black:	Maximal green disparity level in dark region (stronger disparity
876 *		assumed to be image detail). Precision u14, default 80.
877 * @reserved3:	reserved
878 * @gd_shading:	Change maximal green disparity level according to square
879 *		distance from image center.
880 * @reserved4:	reserved
881 * @gd_support:	Lower bound for the number of second green color pixels in
882 *		current pixel neighborhood with less than threshold difference
883 *		from it.
884 *
885 * The shading gain coeff of red, green, blue and black are used to calculate
886 * threshold given a pixel's color value and its coordinates in the image.
887 *
888 * @reserved5:	reserved
889 * @gd_clip:	Turn green disparity clip on/off, [0, 1], default 1.
890 * @gd_central_weight:	Central pixel weight in 9 pixels weighted sum.
891 */
892struct ipu3_uapi_bnr_static_config_green_disparity {
893	__u32 gd_red:6;
894	__u32 reserved0:2;
895	__u32 gd_green:6;
896	__u32 reserved1:2;
897	__u32 gd_blue:6;
898	__u32 reserved2:10;
899	__u32 gd_black:14;
900	__u32 reserved3:2;
901	__u32 gd_shading:7;
902	__u32 reserved4:1;
903	__u32 gd_support:2;
904	__u32 reserved5:1;
905	__u32 gd_clip:1;
906	__u32 gd_central_weight:4;
907} __packed;
908
909/**
910 * struct ipu3_uapi_dm_config - De-mosaic parameters
911 *
912 * @dm_en:	de-mosaic enable.
913 * @ch_ar_en:	Checker artifacts removal enable flag. Default 0.
914 * @fcc_en:	False color correction (FCC) enable flag. Default 0.
915 * @reserved0:	reserved
916 * @frame_width:	do not care
917 * @gamma_sc:	Sharpening coefficient (coefficient of 2-d derivation of
918 *		complementary color in Hamilton-Adams interpolation).
919 *		u5, range [0, 31], default 8.
920 * @reserved1:	reserved
921 * @lc_ctrl:	Parameter that controls weights of Chroma Homogeneity metric
922 *		in calculation of final homogeneity metric.
923 *		u5, range [0, 31], default 7.
924 * @reserved2:	reserved
925 * @cr_param1:	First parameter that defines Checker artifact removal
926 *		feature gain. Precision u5, range [0, 31], default 8.
927 * @reserved3:	reserved
928 * @cr_param2:	Second parameter that defines Checker artifact removal
929 *		feature gain. Precision u5, range [0, 31], default 8.
930 * @reserved4:	reserved
931 * @coring_param:	Defines power of false color correction operation.
932 *			low for preserving edge colors, high for preserving gray
933 *			edge artifacts.
934 *			Precision u1.4, range [0, 1.9375], default 4 (0.25).
935 * @reserved5:	reserved
936 *
937 * The demosaic fixed function block is responsible to covert Bayer(mosaiced)
938 * images into color images based on demosaicing algorithm.
939 */
940struct ipu3_uapi_dm_config {
941	__u32 dm_en:1;
942	__u32 ch_ar_en:1;
943	__u32 fcc_en:1;
944	__u32 reserved0:13;
945	__u32 frame_width:16;
946
947	__u32 gamma_sc:5;
948	__u32 reserved1:3;
949	__u32 lc_ctrl:5;
950	__u32 reserved2:3;
951	__u32 cr_param1:5;
952	__u32 reserved3:3;
953	__u32 cr_param2:5;
954	__u32 reserved4:3;
955
956	__u32 coring_param:5;
957	__u32 reserved5:27;
958} __packed;
959
960/**
961 * struct ipu3_uapi_ccm_mat_config - Color correction matrix
962 *
963 * @coeff_m11: CCM 3x3 coefficient, range [-65536, 65535]
964 * @coeff_m12: CCM 3x3 coefficient, range [-8192, 8191]
965 * @coeff_m13: CCM 3x3 coefficient, range [-32768, 32767]
966 * @coeff_o_r: Bias 3x1 coefficient, range [-8191, 8181]
967 * @coeff_m21: CCM 3x3 coefficient, range [-32767, 32767]
968 * @coeff_m22: CCM 3x3 coefficient, range [-8192, 8191]
969 * @coeff_m23: CCM 3x3 coefficient, range [-32768, 32767]
970 * @coeff_o_g: Bias 3x1 coefficient, range [-8191, 8181]
971 * @coeff_m31: CCM 3x3 coefficient, range [-32768, 32767]
972 * @coeff_m32: CCM 3x3 coefficient, range [-8192, 8191]
973 * @coeff_m33: CCM 3x3 coefficient, range [-32768, 32767]
974 * @coeff_o_b: Bias 3x1 coefficient, range [-8191, 8181]
975 *
976 * Transform sensor specific color space to standard sRGB by applying 3x3 matrix
977 * and adding a bias vector O. The transformation is basically a rotation and
978 * translation in the 3-dimensional color spaces. Here are the defaults:
979 *
980 *	9775,	-2671,	1087,	0
981 *	-1071,	8303,	815,	0
982 *	-23,	-7887,	16103,	0
983 */
984struct ipu3_uapi_ccm_mat_config {
985	__s16 coeff_m11;
986	__s16 coeff_m12;
987	__s16 coeff_m13;
988	__s16 coeff_o_r;
989	__s16 coeff_m21;
990	__s16 coeff_m22;
991	__s16 coeff_m23;
992	__s16 coeff_o_g;
993	__s16 coeff_m31;
994	__s16 coeff_m32;
995	__s16 coeff_m33;
996	__s16 coeff_o_b;
997} __packed;
998
999/**
1000 * struct ipu3_uapi_gamma_corr_ctrl - Gamma correction
1001 *
1002 * @enable: gamma correction enable.
1003 * @reserved: reserved
1004 */
1005struct ipu3_uapi_gamma_corr_ctrl {
1006	__u32 enable:1;
1007	__u32 reserved:31;
1008} __packed;
1009
1010/**
1011 * struct ipu3_uapi_gamma_corr_lut - Per-pixel tone mapping implemented as LUT.
1012 *
1013 * @lut:	256 tabulated values of the gamma function. LUT[1].. LUT[256]
1014 *		format u13.0, range [0, 8191].
1015 *
1016 * The tone mapping operation is done by a Piece wise linear graph
1017 * that is implemented as a lookup table(LUT). The pixel component input
1018 * intensity is the X-axis of the graph which is the table entry.
1019 */
1020struct ipu3_uapi_gamma_corr_lut {
1021	__u16 lut[IPU3_UAPI_GAMMA_CORR_LUT_ENTRIES];
1022} __packed;
1023
1024/**
1025 * struct ipu3_uapi_gamma_config - Gamma config
1026 *
1027 * @gc_ctrl: control of gamma correction &ipu3_uapi_gamma_corr_ctrl
1028 * @gc_lut: lookup table of gamma correction &ipu3_uapi_gamma_corr_lut
1029 */
1030struct ipu3_uapi_gamma_config {
1031	struct ipu3_uapi_gamma_corr_ctrl gc_ctrl __attribute__((aligned(32)));
1032	struct ipu3_uapi_gamma_corr_lut gc_lut __attribute__((aligned(32)));
1033} __packed;
1034
1035/**
1036 * struct ipu3_uapi_csc_mat_config - Color space conversion matrix config
1037 *
1038 * @coeff_c11:	Conversion matrix value, format s0.14, range [-16384, 16383].
1039 * @coeff_c12:	Conversion matrix value, format s0.14, range [-8192, 8191].
1040 * @coeff_c13:	Conversion matrix value, format s0.14, range [-16384, 16383].
1041 * @coeff_b1:	Bias 3x1 coefficient, s13.0 range [-8192, 8191].
1042 * @coeff_c21:	Conversion matrix value, format s0.14, range [-16384, 16383].
1043 * @coeff_c22:	Conversion matrix value, format s0.14, range [-8192, 8191].
1044 * @coeff_c23:	Conversion matrix value, format s0.14, range [-16384, 16383].
1045 * @coeff_b2:	Bias 3x1 coefficient, s13.0 range [-8192, 8191].
1046 * @coeff_c31:	Conversion matrix value, format s0.14, range [-16384, 16383].
1047 * @coeff_c32:	Conversion matrix value, format s0.14, range [-8192, 8191].
1048 * @coeff_c33:	Conversion matrix value, format s0.14, range [-16384, 16383].
1049 * @coeff_b3:	Bias 3x1 coefficient, s13.0 range [-8192, 8191].
1050 *
1051 * To transform each pixel from RGB to YUV (Y - brightness/luminance,
1052 * UV -chroma) by applying the pixel's values by a 3x3 matrix and adding an
1053 * optional bias 3x1 vector. Here are the default values for the matrix:
1054 *
1055 *	4898,   9617,  1867, 0,
1056 *	-2410, -4732,  7143, 0,
1057 *	10076, -8437, -1638, 0,
1058 *
1059 *	(i.e. for real number 0.299, 0.299 * 2^14 becomes 4898.)
1060 */
1061struct ipu3_uapi_csc_mat_config {
1062	__s16 coeff_c11;
1063	__s16 coeff_c12;
1064	__s16 coeff_c13;
1065	__s16 coeff_b1;
1066	__s16 coeff_c21;
1067	__s16 coeff_c22;
1068	__s16 coeff_c23;
1069	__s16 coeff_b2;
1070	__s16 coeff_c31;
1071	__s16 coeff_c32;
1072	__s16 coeff_c33;
1073	__s16 coeff_b3;
1074} __packed;
1075
1076/**
1077 * struct ipu3_uapi_cds_params - Chroma down-scaling
1078 *
1079 * @ds_c00:	range [0, 3]
1080 * @ds_c01:	range [0, 3]
1081 * @ds_c02:	range [0, 3]
1082 * @ds_c03:	range [0, 3]
1083 * @ds_c10:	range [0, 3]
1084 * @ds_c11:	range [0, 3]
1085 * @ds_c12:	range [0, 3]
1086 * @ds_c13:	range [0, 3]
1087 *
1088 * In case user does not provide, above 4x2 filter will use following defaults:
1089 *	1, 3, 3, 1,
1090 *	1, 3, 3, 1,
1091 *
1092 * @ds_nf:	Normalization factor for Chroma output downscaling filter,
1093 *		range 0,4, default 2.
1094 * @reserved0:	reserved
1095 * @csc_en:	Color space conversion enable
1096 * @uv_bin_output:	0: output YUV 4.2.0, 1: output YUV 4.2.2(default).
1097 * @reserved1:	reserved
1098 */
1099struct ipu3_uapi_cds_params {
1100	__u32 ds_c00:2;
1101	__u32 ds_c01:2;
1102	__u32 ds_c02:2;
1103	__u32 ds_c03:2;
1104	__u32 ds_c10:2;
1105	__u32 ds_c11:2;
1106	__u32 ds_c12:2;
1107	__u32 ds_c13:2;
1108	__u32 ds_nf:5;
1109	__u32 reserved0:3;
1110	__u32 csc_en:1;
1111	__u32 uv_bin_output:1;
1112	__u32 reserved1:6;
1113} __packed;
1114
1115/**
1116 * struct ipu3_uapi_shd_grid_config - Bayer shading(darkening) correction
1117 *
1118 * @width:	Grid horizontal dimensions, u8, [8, 128], default 73
1119 * @height:	Grid vertical dimensions, u8, [8, 128], default 56
1120 * @block_width_log2:	Log2 of the width of the grid cell in pixel count
1121 *			u4, [0, 15], default value 5.
1122 * @reserved0:	reserved
1123 * @block_height_log2:	Log2 of the height of the grid cell in pixel count
1124 *			u4, [0, 15], default value 6.
1125 * @reserved1:	reserved
1126 * @grid_height_per_slice:	SHD_MAX_CELLS_PER_SET/width.
1127 *				(with SHD_MAX_CELLS_PER_SET = 146).
1128 * @x_start:	X value of top left corner of sensor relative to ROI
1129 *		s13, [-4096, 0], default 0, only negative values.
1130 * @y_start:	Y value of top left corner of sensor relative to ROI
1131 *		s13, [-4096, 0], default 0, only negative values.
1132 */
1133struct ipu3_uapi_shd_grid_config {
1134	/* reg 0 */
1135	__u8 width;
1136	__u8 height;
1137	__u8 block_width_log2:3;
1138	__u8 reserved0:1;
1139	__u8 block_height_log2:3;
1140	__u8 reserved1:1;
1141	__u8 grid_height_per_slice;
1142	/* reg 1 */
1143	__s16 x_start;
1144	__s16 y_start;
1145} __packed;
1146
1147/**
1148 * struct ipu3_uapi_shd_general_config - Shading general config
1149 *
1150 * @init_set_vrt_offst_ul: set vertical offset,
1151 *			y_start >> block_height_log2 % grid_height_per_slice.
1152 * @shd_enable: shading enable.
1153 * @gain_factor: Gain factor. Shift calculated anti shading value. Precision u2.
1154 *		0x0 - gain factor [1, 5], means no shift interpolated value.
1155 *		0x1 - gain factor [1, 9], means shift interpolated by 1.
1156 *		0x2 - gain factor [1, 17], means shift interpolated by 2.
1157 * @reserved: reserved
1158 *
1159 * Correction is performed by multiplying a gain factor for each of the 4 Bayer
1160 * channels as a function of the pixel location in the sensor.
1161 */
1162struct ipu3_uapi_shd_general_config {
1163	__u32 init_set_vrt_offst_ul:8;
1164	__u32 shd_enable:1;
1165	__u32 gain_factor:2;
1166	__u32 reserved:21;
1167} __packed;
1168
1169/**
1170 * struct ipu3_uapi_shd_black_level_config - Black level correction
1171 *
1172 * @bl_r:	Bios values for green red. s11 range [-2048, 2047].
1173 * @bl_gr:	Bios values for green blue. s11 range [-2048, 2047].
1174 * @bl_gb:	Bios values for red. s11 range [-2048, 2047].
1175 * @bl_b:	Bios values for blue. s11 range [-2048, 2047].
1176 */
1177struct ipu3_uapi_shd_black_level_config {
1178	__s16 bl_r;
1179	__s16 bl_gr;
1180	__s16 bl_gb;
1181	__s16 bl_b;
1182} __packed;
1183
1184/**
1185 * struct ipu3_uapi_shd_config_static - Shading config static
1186 *
1187 * @grid:	shading grid config &ipu3_uapi_shd_grid_config
1188 * @general:	shading general config &ipu3_uapi_shd_general_config
1189 * @black_level:	black level config for shading correction as defined by
1190 *			&ipu3_uapi_shd_black_level_config
1191 */
1192struct ipu3_uapi_shd_config_static {
1193	struct ipu3_uapi_shd_grid_config grid;
1194	struct ipu3_uapi_shd_general_config general;
1195	struct ipu3_uapi_shd_black_level_config black_level;
1196} __packed;
1197
1198/**
1199 * struct ipu3_uapi_shd_lut - Shading gain factor lookup table.
1200 *
1201 * @sets: array
1202 * @sets.r_and_gr: Red and GreenR Lookup table.
1203 * @sets.r_and_gr.r: Red shading factor.
1204 * @sets.r_and_gr.gr: GreenR shading factor.
1205 * @sets.reserved1: reserved
1206 * @sets.gb_and_b: GreenB and Blue Lookup table.
1207 * @sets.gb_and_b.gb: GreenB shading factor.
1208 * @sets.gb_and_b.b: Blue shading factor.
1209 * @sets.reserved2: reserved
1210 *
1211 * Map to shading correction LUT register set.
1212 */
1213struct ipu3_uapi_shd_lut {
1214	struct {
1215		struct {
1216			__u16 r;
1217			__u16 gr;
1218		} r_and_gr[IPU3_UAPI_SHD_MAX_CELLS_PER_SET];
1219		__u8 reserved1[24];
1220		struct {
1221			__u16 gb;
1222			__u16 b;
1223		} gb_and_b[IPU3_UAPI_SHD_MAX_CELLS_PER_SET];
1224		__u8 reserved2[24];
1225	} sets[IPU3_UAPI_SHD_MAX_CFG_SETS];
1226} __packed;
1227
1228/**
1229 * struct ipu3_uapi_shd_config - Shading config
1230 *
1231 * @shd:	shading static config, see &ipu3_uapi_shd_config_static
1232 * @shd_lut:	shading lookup table &ipu3_uapi_shd_lut
1233 */
1234struct ipu3_uapi_shd_config {
1235	struct ipu3_uapi_shd_config_static shd __attribute__((aligned(32)));
1236	struct ipu3_uapi_shd_lut shd_lut __attribute__((aligned(32)));
1237} __packed;
1238
1239/* Image Enhancement Filter directed */
1240
1241/**
1242 * struct ipu3_uapi_iefd_cux2 - IEFd Config Unit 2 parameters
1243 *
1244 * @x0:		X0 point of Config Unit, u9.0, default 0.
1245 * @x1:		X1 point of Config Unit, u9.0, default 0.
1246 * @a01:	Slope A of Config Unit, s4.4, default 0.
1247 * @b01:	Slope B, always 0.
1248 *
1249 * Calculate weight for blending directed and non-directed denoise elements
1250 *
1251 * Note:
1252 * Each instance of Config Unit needs X coordinate of n points and
1253 * slope A factor between points calculated by driver based on calibration
1254 * parameters.
1255 *
1256 * All CU inputs are unsigned, they will be converted to signed when written
1257 * to register, i.e. a01 will be written to 9 bit register in s4.4 format.
1258 * The data precision s4.4 means 4 bits for integer parts and 4 bits for the
1259 * fractional part, the first bit indicates positive or negative value.
1260 * For userspace software (commonly the imaging library), the computation for
1261 * the CU slope values should be based on the slope resolution 1/16 (binary
1262 * 0.0001 - the minimal interval value), the slope value range is [-256, +255].
1263 * This applies to &ipu3_uapi_iefd_cux6_ed, &ipu3_uapi_iefd_cux2_1,
1264 * &ipu3_uapi_iefd_cux2_1, &ipu3_uapi_iefd_cux4 and &ipu3_uapi_iefd_cux6_rad.
1265 */
1266struct ipu3_uapi_iefd_cux2 {
1267	__u32 x0:9;
1268	__u32 x1:9;
1269	__u32 a01:9;
1270	__u32 b01:5;
1271} __packed;
1272
1273/**
1274 * struct ipu3_uapi_iefd_cux6_ed - Calculate power of non-directed sharpening
1275 *				   element, Config Unit 6 for edge detail (ED).
1276 *
1277 * @x0:	X coordinate of point 0, u9.0, default 0.
1278 * @x1:	X coordinate of point 1, u9.0, default 0.
1279 * @x2:	X coordinate of point 2, u9.0, default 0.
1280 * @reserved0:	reserved
1281 * @x3:	X coordinate of point 3, u9.0, default 0.
1282 * @x4:	X coordinate of point 4, u9.0, default 0.
1283 * @x5:	X coordinate of point 5, u9.0, default 0.
1284 * @reserved1:	reserved
1285 * @a01:	slope A points 01, s4.4, default 0.
1286 * @a12:	slope A points 12, s4.4, default 0.
1287 * @a23:	slope A points 23, s4.4, default 0.
1288 * @reserved2:	reserved
1289 * @a34:	slope A points 34, s4.4, default 0.
1290 * @a45:	slope A points 45, s4.4, default 0.
1291 * @reserved3:	reserved
1292 * @b01:	slope B points 01, s4.4, default 0.
1293 * @b12:	slope B points 12, s4.4, default 0.
1294 * @b23:	slope B points 23, s4.4, default 0.
1295 * @reserved4:	reserved
1296 * @b34:	slope B points 34, s4.4, default 0.
1297 * @b45:	slope B points 45, s4.4, default 0.
1298 * @reserved5:	reserved.
1299 */
1300struct ipu3_uapi_iefd_cux6_ed {
1301	__u32 x0:9;
1302	__u32 x1:9;
1303	__u32 x2:9;
1304	__u32 reserved0:5;
1305
1306	__u32 x3:9;
1307	__u32 x4:9;
1308	__u32 x5:9;
1309	__u32 reserved1:5;
1310
1311	__u32 a01:9;
1312	__u32 a12:9;
1313	__u32 a23:9;
1314	__u32 reserved2:5;
1315
1316	__u32 a34:9;
1317	__u32 a45:9;
1318	__u32 reserved3:14;
1319
1320	__u32 b01:9;
1321	__u32 b12:9;
1322	__u32 b23:9;
1323	__u32 reserved4:5;
1324
1325	__u32 b34:9;
1326	__u32 b45:9;
1327	__u32 reserved5:14;
1328} __packed;
1329
1330/**
1331 * struct ipu3_uapi_iefd_cux2_1 - Calculate power of non-directed denoise
1332 *				  element apply.
1333 * @x0: X0 point of Config Unit, u9.0, default 0.
1334 * @x1: X1 point of Config Unit, u9.0, default 0.
1335 * @a01: Slope A of Config Unit, s4.4, default 0.
1336 * @reserved1: reserved
1337 * @b01: offset B0 of Config Unit, u7.0, default 0.
1338 * @reserved2: reserved
1339 */
1340struct ipu3_uapi_iefd_cux2_1 {
1341	__u32 x0:9;
1342	__u32 x1:9;
1343	__u32 a01:9;
1344	__u32 reserved1:5;
1345
1346	__u32 b01:8;
1347	__u32 reserved2:24;
1348} __packed;
1349
1350/**
1351 * struct ipu3_uapi_iefd_cux4 - Calculate power of non-directed sharpening
1352 *				element.
1353 *
1354 * @x0:	X0 point of Config Unit, u9.0, default 0.
1355 * @x1:	X1 point of Config Unit, u9.0, default 0.
1356 * @x2:	X2 point of Config Unit, u9.0, default 0.
1357 * @reserved0:	reserved
1358 * @x3:	X3 point of Config Unit, u9.0, default 0.
1359 * @a01:	Slope A0 of Config Unit, s4.4, default 0.
1360 * @a12:	Slope A1 of Config Unit, s4.4, default 0.
1361 * @reserved1:	reserved
1362 * @a23:	Slope A2 of Config Unit, s4.4, default 0.
1363 * @b01:	Offset B0 of Config Unit, s7.0, default 0.
1364 * @b12:	Offset B1 of Config Unit, s7.0, default 0.
1365 * @reserved2:	reserved
1366 * @b23:	Offset B2 of Config Unit, s7.0, default 0.
1367 * @reserved3: reserved
1368 */
1369struct ipu3_uapi_iefd_cux4 {
1370	__u32 x0:9;
1371	__u32 x1:9;
1372	__u32 x2:9;
1373	__u32 reserved0:5;
1374
1375	__u32 x3:9;
1376	__u32 a01:9;
1377	__u32 a12:9;
1378	__u32 reserved1:5;
1379
1380	__u32 a23:9;
1381	__u32 b01:8;
1382	__u32 b12:8;
1383	__u32 reserved2:7;
1384
1385	__u32 b23:8;
1386	__u32 reserved3:24;
1387} __packed;
1388
1389/**
1390 * struct ipu3_uapi_iefd_cux6_rad - Radial Config Unit (CU)
1391 *
1392 * @x0:	x0 points of Config Unit radial, u8.0
1393 * @x1:	x1 points of Config Unit radial, u8.0
1394 * @x2:	x2 points of Config Unit radial, u8.0
1395 * @x3:	x3 points of Config Unit radial, u8.0
1396 * @x4:	x4 points of Config Unit radial, u8.0
1397 * @x5:	x5 points of Config Unit radial, u8.0
1398 * @reserved1: reserved
1399 * @a01:	Slope A of Config Unit radial, s7.8
1400 * @a12:	Slope A of Config Unit radial, s7.8
1401 * @a23:	Slope A of Config Unit radial, s7.8
1402 * @a34:	Slope A of Config Unit radial, s7.8
1403 * @a45:	Slope A of Config Unit radial, s7.8
1404 * @reserved2: reserved
1405 * @b01:	Slope B of Config Unit radial, s9.0
1406 * @b12:	Slope B of Config Unit radial, s9.0
1407 * @b23:	Slope B of Config Unit radial, s9.0
1408 * @reserved4: reserved
1409 * @b34:	Slope B of Config Unit radial, s9.0
1410 * @b45:	Slope B of Config Unit radial, s9.0
1411 * @reserved5: reserved
1412 */
1413struct ipu3_uapi_iefd_cux6_rad {
1414	__u32 x0:8;
1415	__u32 x1:8;
1416	__u32 x2:8;
1417	__u32 x3:8;
1418
1419	__u32 x4:8;
1420	__u32 x5:8;
1421	__u32 reserved1:16;
1422
1423	__u32 a01:16;
1424	__u32 a12:16;
1425
1426	__u32 a23:16;
1427	__u32 a34:16;
1428
1429	__u32 a45:16;
1430	__u32 reserved2:16;
1431
1432	__u32 b01:10;
1433	__u32 b12:10;
1434	__u32 b23:10;
1435	__u32 reserved4:2;
1436
1437	__u32 b34:10;
1438	__u32 b45:10;
1439	__u32 reserved5:12;
1440} __packed;
1441
1442/**
1443 * struct ipu3_uapi_yuvp1_iefd_cfg_units - IEFd Config Units parameters
1444 *
1445 * @cu_1: calculate weight for blending directed and
1446 *	  non-directed denoise elements. See &ipu3_uapi_iefd_cux2
1447 * @cu_ed: calculate power of non-directed sharpening element, see
1448 *	   &ipu3_uapi_iefd_cux6_ed
1449 * @cu_3: calculate weight for blending directed and
1450 *	  non-directed denoise elements. A &ipu3_uapi_iefd_cux2
1451 * @cu_5: calculate power of non-directed denoise element apply, use
1452 *	  &ipu3_uapi_iefd_cux2_1
1453 * @cu_6: calculate power of non-directed sharpening element. See
1454 *	  &ipu3_uapi_iefd_cux4
1455 * @cu_7: calculate weight for blending directed and
1456 *	  non-directed denoise elements. Use &ipu3_uapi_iefd_cux2
1457 * @cu_unsharp: Config Unit of unsharp &ipu3_uapi_iefd_cux4
1458 * @cu_radial: Config Unit of radial &ipu3_uapi_iefd_cux6_rad
1459 * @cu_vssnlm: Config Unit of vssnlm &ipu3_uapi_iefd_cux2
1460 */
1461struct ipu3_uapi_yuvp1_iefd_cfg_units {
1462	struct ipu3_uapi_iefd_cux2 cu_1;
1463	struct ipu3_uapi_iefd_cux6_ed cu_ed;
1464	struct ipu3_uapi_iefd_cux2 cu_3;
1465	struct ipu3_uapi_iefd_cux2_1 cu_5;
1466	struct ipu3_uapi_iefd_cux4 cu_6;
1467	struct ipu3_uapi_iefd_cux2 cu_7;
1468	struct ipu3_uapi_iefd_cux4 cu_unsharp;
1469	struct ipu3_uapi_iefd_cux6_rad cu_radial;
1470	struct ipu3_uapi_iefd_cux2 cu_vssnlm;
1471} __packed;
1472
1473/**
1474 * struct ipu3_uapi_yuvp1_iefd_config_s - IEFd config
1475 *
1476 * @horver_diag_coeff: Gradient compensation. Compared with vertical /
1477 *		       horizontal (0 / 90 degree), coefficient of diagonal (45 /
1478 *		       135 degree) direction should be corrected by approx.
1479 *		       1/sqrt(2).
1480 * @reserved0: reserved
1481 * @clamp_stitch: Slope to stitch between clamped and unclamped edge values
1482 * @reserved1: reserved
1483 * @direct_metric_update: Update coeff for direction metric
1484 * @reserved2: reserved
1485 * @ed_horver_diag_coeff: Radial Coefficient that compensates for
1486 *			  different distance for vertical/horizontal and
1487 *			  diagonal gradient calculation (approx. 1/sqrt(2))
1488 * @reserved3: reserved
1489 */
1490struct ipu3_uapi_yuvp1_iefd_config_s {
1491	__u32 horver_diag_coeff:7;
1492	__u32 reserved0:1;
1493	__u32 clamp_stitch:6;
1494	__u32 reserved1:2;
1495	__u32 direct_metric_update:5;
1496	__u32 reserved2:3;
1497	__u32 ed_horver_diag_coeff:7;
1498	__u32 reserved3:1;
1499} __packed;
1500
1501/**
1502 * struct ipu3_uapi_yuvp1_iefd_control - IEFd control
1503 *
1504 * @iefd_en:	Enable IEFd
1505 * @denoise_en:	Enable denoise
1506 * @direct_smooth_en:	Enable directional smooth
1507 * @rad_en:	Enable radial update
1508 * @vssnlm_en:	Enable VSSNLM output filter
1509 * @reserved:	reserved
1510 */
1511struct ipu3_uapi_yuvp1_iefd_control {
1512	__u32 iefd_en:1;
1513	__u32 denoise_en:1;
1514	__u32 direct_smooth_en:1;
1515	__u32 rad_en:1;
1516	__u32 vssnlm_en:1;
1517	__u32 reserved:27;
1518} __packed;
1519
1520/**
1521 * struct ipu3_uapi_sharp_cfg - Sharpening config
1522 *
1523 * @nega_lmt_txt: Sharpening limit for negative overshoots for texture.
1524 * @reserved0: reserved
1525 * @posi_lmt_txt: Sharpening limit for positive overshoots for texture.
1526 * @reserved1: reserved
1527 * @nega_lmt_dir: Sharpening limit for negative overshoots for direction (edge).
1528 * @reserved2: reserved
1529 * @posi_lmt_dir: Sharpening limit for positive overshoots for direction (edge).
1530 * @reserved3: reserved
1531 *
1532 * Fixed point type u13.0, range [0, 8191].
1533 */
1534struct ipu3_uapi_sharp_cfg {
1535	__u32 nega_lmt_txt:13;
1536	__u32 reserved0:19;
1537	__u32 posi_lmt_txt:13;
1538	__u32 reserved1:19;
1539	__u32 nega_lmt_dir:13;
1540	__u32 reserved2:19;
1541	__u32 posi_lmt_dir:13;
1542	__u32 reserved3:19;
1543} __packed;
1544
1545/**
1546 * struct ipu3_uapi_far_w - Sharpening config for far sub-group
1547 *
1548 * @dir_shrp:	Weight of wide direct sharpening, u1.6, range [0, 64], default 64.
1549 * @reserved0:	reserved
1550 * @dir_dns:	Weight of wide direct denoising, u1.6, range [0, 64], default 0.
1551 * @reserved1:	reserved
1552 * @ndir_dns_powr:	Power of non-direct denoising,
1553 *			Precision u1.6, range [0, 64], default 64.
1554 * @reserved2:	reserved
1555 */
1556struct ipu3_uapi_far_w {
1557	__u32 dir_shrp:7;
1558	__u32 reserved0:1;
1559	__u32 dir_dns:7;
1560	__u32 reserved1:1;
1561	__u32 ndir_dns_powr:7;
1562	__u32 reserved2:9;
1563} __packed;
1564
1565/**
1566 * struct ipu3_uapi_unsharp_cfg - Unsharp config
1567 *
1568 * @unsharp_weight: Unsharp mask blending weight.
1569 *		    u1.6, range [0, 64], default 16.
1570 *		    0 - disabled, 64 - use only unsharp.
1571 * @reserved0: reserved
1572 * @unsharp_amount: Unsharp mask amount, u4.5, range [0, 511], default 0.
1573 * @reserved1: reserved
1574 */
1575struct ipu3_uapi_unsharp_cfg {
1576	__u32 unsharp_weight:7;
1577	__u32 reserved0:1;
1578	__u32 unsharp_amount:9;
1579	__u32 reserved1:15;
1580} __packed;
1581
1582/**
1583 * struct ipu3_uapi_yuvp1_iefd_shrp_cfg - IEFd sharpness config
1584 *
1585 * @cfg: sharpness config &ipu3_uapi_sharp_cfg
1586 * @far_w: wide range config, value as specified by &ipu3_uapi_far_w:
1587 *	The 5x5 environment is separated into 2 sub-groups, the 3x3 nearest
1588 *	neighbors (8 pixels called Near), and the second order neighborhood
1589 *	around them (16 pixels called Far).
1590 * @unshrp_cfg: unsharpness config. &ipu3_uapi_unsharp_cfg
1591 */
1592struct ipu3_uapi_yuvp1_iefd_shrp_cfg {
1593	struct ipu3_uapi_sharp_cfg cfg;
1594	struct ipu3_uapi_far_w far_w;
1595	struct ipu3_uapi_unsharp_cfg unshrp_cfg;
1596} __packed;
1597
1598/**
1599 * struct ipu3_uapi_unsharp_coef0 - Unsharp mask coefficients
1600 *
1601 * @c00: Coeff11, s0.8, range [-255, 255], default 1.
1602 * @c01: Coeff12, s0.8, range [-255, 255], default 5.
1603 * @c02: Coeff13, s0.8, range [-255, 255], default 9.
1604 * @reserved: reserved
1605 *
1606 * Configurable registers for common sharpening support.
1607 */
1608struct ipu3_uapi_unsharp_coef0 {
1609	__u32 c00:9;
1610	__u32 c01:9;
1611	__u32 c02:9;
1612	__u32 reserved:5;
1613} __packed;
1614
1615/**
1616 * struct ipu3_uapi_unsharp_coef1 - Unsharp mask coefficients
1617 *
1618 * @c11: Coeff22, s0.8, range [-255, 255], default 29.
1619 * @c12: Coeff23, s0.8, range [-255, 255], default 55.
1620 * @c22: Coeff33, s0.8, range [-255, 255], default 96.
1621 * @reserved: reserved
1622 */
1623struct ipu3_uapi_unsharp_coef1 {
1624	__u32 c11:9;
1625	__u32 c12:9;
1626	__u32 c22:9;
1627	__u32 reserved:5;
1628} __packed;
1629
1630/**
1631 * struct ipu3_uapi_yuvp1_iefd_unshrp_cfg - Unsharp mask config
1632 *
1633 * @unsharp_coef0: unsharp coefficient 0 config. See &ipu3_uapi_unsharp_coef0
1634 * @unsharp_coef1: unsharp coefficient 1 config. See &ipu3_uapi_unsharp_coef1
1635 */
1636struct ipu3_uapi_yuvp1_iefd_unshrp_cfg {
1637	struct ipu3_uapi_unsharp_coef0 unsharp_coef0;
1638	struct ipu3_uapi_unsharp_coef1 unsharp_coef1;
1639} __packed;
1640
1641/**
1642 * struct ipu3_uapi_radial_reset_xy - Radial coordinate reset
1643 *
1644 * @x:	Radial reset of x coordinate. Precision s12, [-4095, 4095], default 0.
1645 * @reserved0:	reserved
1646 * @y:	Radial center y coordinate. Precision s12, [-4095, 4095], default 0.
1647 * @reserved1:	reserved
1648 */
1649struct ipu3_uapi_radial_reset_xy {
1650	__s32 x:13;
1651	__u32 reserved0:3;
1652	__s32 y:13;
1653	__u32 reserved1:3;
1654} __packed;
1655
1656/**
1657 * struct ipu3_uapi_radial_reset_x2 - Radial X^2 reset
1658 *
1659 * @x2:	Radial reset of x^2 coordinate. Precision u24, default 0.
1660 * @reserved:	reserved
1661 */
1662struct ipu3_uapi_radial_reset_x2 {
1663	__u32 x2:24;
1664	__u32 reserved:8;
1665} __packed;
1666
1667/**
1668 * struct ipu3_uapi_radial_reset_y2 - Radial Y^2 reset
1669 *
1670 * @y2:	Radial reset of y^2 coordinate. Precision u24, default 0.
1671 * @reserved:	reserved
1672 */
1673struct ipu3_uapi_radial_reset_y2 {
1674	__u32 y2:24;
1675	__u32 reserved:8;
1676} __packed;
1677
1678/**
1679 * struct ipu3_uapi_radial_cfg - Radial config
1680 *
1681 * @rad_nf: Radial. R^2 normalization factor is scale down by 2^ - (15 + scale)
1682 * @reserved0: reserved
1683 * @rad_inv_r2: Radial R^-2 normelized to (0.5..1).
1684 *		Precision u7, range [0, 127].
1685 * @reserved1: reserved
1686 */
1687struct ipu3_uapi_radial_cfg {
1688	__u32 rad_nf:4;
1689	__u32 reserved0:4;
1690	__u32 rad_inv_r2:7;
1691	__u32 reserved1:17;
1692} __packed;
1693
1694/**
1695 * struct ipu3_uapi_rad_far_w - Radial FAR sub-group
1696 *
1697 * @rad_dir_far_sharp_w: Weight of wide direct sharpening, u1.6, range [0, 64],
1698 *			 default 64.
1699 * @rad_dir_far_dns_w: Weight of wide direct denoising, u1.6, range [0, 64],
1700 *			 default 0.
1701 * @rad_ndir_far_dns_power: power of non-direct sharpening, u1.6, range [0, 64],
1702 *			 default 0.
1703 * @reserved: reserved
1704 */
1705struct ipu3_uapi_rad_far_w {
1706	__u32 rad_dir_far_sharp_w:8;
1707	__u32 rad_dir_far_dns_w:8;
1708	__u32 rad_ndir_far_dns_power:8;
1709	__u32 reserved:8;
1710} __packed;
1711
1712/**
1713 * struct ipu3_uapi_cu_cfg0 - Radius Config Unit cfg0 register
1714 *
1715 * @cu6_pow: Power of CU6. Power of non-direct sharpening, u3.4.
1716 * @reserved0: reserved
1717 * @cu_unsharp_pow: Power of unsharp mask, u2.4.
1718 * @reserved1: reserved
1719 * @rad_cu6_pow: Radial/corner CU6. Directed sharpening power, u3.4.
1720 * @reserved2: reserved
1721 * @rad_cu_unsharp_pow: Radial power of unsharp mask, u2.4.
1722 * @reserved3: reserved
1723 */
1724struct ipu3_uapi_cu_cfg0 {
1725	__u32 cu6_pow:7;
1726	__u32 reserved0:1;
1727	__u32 cu_unsharp_pow:7;
1728	__u32 reserved1:1;
1729	__u32 rad_cu6_pow:7;
1730	__u32 reserved2:1;
1731	__u32 rad_cu_unsharp_pow:6;
1732	__u32 reserved3:2;
1733} __packed;
1734
1735/**
1736 * struct ipu3_uapi_cu_cfg1 - Radius Config Unit cfg1 register
1737 *
1738 * @rad_cu6_x1: X1 point of Config Unit 6, precision u9.0.
1739 * @reserved0: reserved
1740 * @rad_cu_unsharp_x1: X1 point for Config Unit unsharp for radial/corner point
1741 *			precision u9.0.
1742 * @reserved1: reserved
1743 */
1744struct ipu3_uapi_cu_cfg1 {
1745	__u32 rad_cu6_x1:9;
1746	__u32 reserved0:1;
1747	__u32 rad_cu_unsharp_x1:9;
1748	__u32 reserved1:13;
1749} __packed;
1750
1751/**
1752 * struct ipu3_uapi_yuvp1_iefd_rad_cfg - IEFd parameters changed radially over
1753 *					 the picture plane.
1754 *
1755 * @reset_xy: reset xy value in radial calculation. &ipu3_uapi_radial_reset_xy
1756 * @reset_x2: reset x square value in radial calculation. See struct
1757 *	      &ipu3_uapi_radial_reset_x2
1758 * @reset_y2: reset y square value in radial calculation. See struct
1759 *	      &ipu3_uapi_radial_reset_y2
1760 * @cfg: radial config defined in &ipu3_uapi_radial_cfg
1761 * @rad_far_w: weight for wide range radial. &ipu3_uapi_rad_far_w
1762 * @cu_cfg0: configuration unit 0. See &ipu3_uapi_cu_cfg0
1763 * @cu_cfg1: configuration unit 1. See &ipu3_uapi_cu_cfg1
1764 */
1765struct ipu3_uapi_yuvp1_iefd_rad_cfg {
1766	struct ipu3_uapi_radial_reset_xy reset_xy;
1767	struct ipu3_uapi_radial_reset_x2 reset_x2;
1768	struct ipu3_uapi_radial_reset_y2 reset_y2;
1769	struct ipu3_uapi_radial_cfg cfg;
1770	struct ipu3_uapi_rad_far_w rad_far_w;
1771	struct ipu3_uapi_cu_cfg0 cu_cfg0;
1772	struct ipu3_uapi_cu_cfg1 cu_cfg1;
1773} __packed;
1774
1775/* Vssnlm - Very small scale non-local mean algorithm */
1776
1777/**
1778 * struct ipu3_uapi_vss_lut_x - Vssnlm LUT x0/x1/x2
1779 *
1780 * @vs_x0: Vssnlm LUT x0, precision u8, range [0, 255], default 16.
1781 * @vs_x1: Vssnlm LUT x1, precision u8, range [0, 255], default 32.
1782 * @vs_x2: Vssnlm LUT x2, precision u8, range [0, 255], default 64.
1783 * @reserved2: reserved
1784 */
1785struct ipu3_uapi_vss_lut_x {
1786	__u32 vs_x0:8;
1787	__u32 vs_x1:8;
1788	__u32 vs_x2:8;
1789	__u32 reserved2:8;
1790} __packed;
1791
1792/**
1793 * struct ipu3_uapi_vss_lut_y - Vssnlm LUT y0/y1/y2
1794 *
1795 * @vs_y1: Vssnlm LUT y1, precision u4, range [0, 8], default 1.
1796 * @reserved0: reserved
1797 * @vs_y2: Vssnlm LUT y2, precision u4, range [0, 8], default 3.
1798 * @reserved1: reserved
1799 * @vs_y3: Vssnlm LUT y3, precision u4, range [0, 8], default 8.
1800 * @reserved2: reserved
1801 */
1802struct ipu3_uapi_vss_lut_y {
1803	__u32 vs_y1:4;
1804	__u32 reserved0:4;
1805	__u32 vs_y2:4;
1806	__u32 reserved1:4;
1807	__u32 vs_y3:4;
1808	__u32 reserved2:12;
1809} __packed;
1810
1811/**
1812 * struct ipu3_uapi_yuvp1_iefd_vssnlm_cfg - IEFd Vssnlm Lookup table
1813 *
1814 * @vss_lut_x: vss lookup table. See &ipu3_uapi_vss_lut_x description
1815 * @vss_lut_y: vss lookup table. See &ipu3_uapi_vss_lut_y description
1816 */
1817struct ipu3_uapi_yuvp1_iefd_vssnlm_cfg {
1818	struct ipu3_uapi_vss_lut_x vss_lut_x;
1819	struct ipu3_uapi_vss_lut_y vss_lut_y;
1820} __packed;
1821
1822/**
1823 * struct ipu3_uapi_yuvp1_iefd_config - IEFd config
1824 *
1825 * @units: configuration unit setting, &ipu3_uapi_yuvp1_iefd_cfg_units
1826 * @config: configuration, as defined by &ipu3_uapi_yuvp1_iefd_config_s
1827 * @control: control setting, as defined by &ipu3_uapi_yuvp1_iefd_control
1828 * @sharp: sharpness setting, as defined by &ipu3_uapi_yuvp1_iefd_shrp_cfg
1829 * @unsharp: unsharpness setting, as defined by &ipu3_uapi_yuvp1_iefd_unshrp_cfg
1830 * @rad: radial setting, as defined by &ipu3_uapi_yuvp1_iefd_rad_cfg
1831 * @vsslnm: vsslnm setting, as defined by &ipu3_uapi_yuvp1_iefd_vssnlm_cfg
1832 */
1833struct ipu3_uapi_yuvp1_iefd_config {
1834	struct ipu3_uapi_yuvp1_iefd_cfg_units units;
1835	struct ipu3_uapi_yuvp1_iefd_config_s config;
1836	struct ipu3_uapi_yuvp1_iefd_control control;
1837	struct ipu3_uapi_yuvp1_iefd_shrp_cfg sharp;
1838	struct ipu3_uapi_yuvp1_iefd_unshrp_cfg unsharp;
1839	struct ipu3_uapi_yuvp1_iefd_rad_cfg rad;
1840	struct ipu3_uapi_yuvp1_iefd_vssnlm_cfg vsslnm;
1841} __packed;
1842
1843/**
1844 * struct ipu3_uapi_yuvp1_yds_config - Y Down-Sampling config
1845 *
1846 * @c00: range [0, 3], default 0x0
1847 * @c01: range [0, 3], default 0x1
1848 * @c02: range [0, 3], default 0x1
1849 * @c03: range [0, 3], default 0x0
1850 * @c10: range [0, 3], default 0x0
1851 * @c11: range [0, 3], default 0x1
1852 * @c12: range [0, 3], default 0x1
1853 * @c13: range [0, 3], default 0x0
1854 *
1855 * Above are 4x2 filter coefficients for chroma output downscaling.
1856 *
1857 * @norm_factor: Normalization factor, range [0, 4], default 2
1858 *		0 - divide by 1
1859 *		1 - divide by 2
1860 *		2 - divide by 4
1861 *		3 - divide by 8
1862 *		4 - divide by 16
1863 * @reserved0: reserved
1864 * @bin_output: Down sampling on Luma channel in two optional modes
1865 *		0 - Bin output 4.2.0 (default), 1 output 4.2.2.
1866 * @reserved1: reserved
1867 */
1868struct ipu3_uapi_yuvp1_yds_config {
1869	__u32 c00:2;
1870	__u32 c01:2;
1871	__u32 c02:2;
1872	__u32 c03:2;
1873	__u32 c10:2;
1874	__u32 c11:2;
1875	__u32 c12:2;
1876	__u32 c13:2;
1877	__u32 norm_factor:5;
1878	__u32 reserved0:4;
1879	__u32 bin_output:1;
1880	__u32 reserved1:6;
1881} __packed;
1882
1883/* Chroma Noise Reduction */
1884
1885/**
1886 * struct ipu3_uapi_yuvp1_chnr_enable_config - Chroma noise reduction enable
1887 *
1888 * @enable: enable/disable chroma noise reduction
1889 * @yuv_mode: 0 - YUV420, 1 - YUV422
1890 * @reserved0: reserved
1891 * @col_size: number of columns in the frame, max width is 2560
1892 * @reserved1: reserved
1893 */
1894struct ipu3_uapi_yuvp1_chnr_enable_config {
1895	__u32 enable:1;
1896	__u32 yuv_mode:1;
1897	__u32 reserved0:14;
1898	__u32 col_size:12;
1899	__u32 reserved1:4;
1900} __packed;
1901
1902/**
1903 * struct ipu3_uapi_yuvp1_chnr_coring_config - Coring thresholds for UV
1904 *
1905 * @u: U coring level, u0.13, range [0.0, 1.0], default 0.0
1906 * @reserved0: reserved
1907 * @v: V coring level, u0.13, range [0.0, 1.0], default 0.0
1908 * @reserved1: reserved
1909 */
1910struct ipu3_uapi_yuvp1_chnr_coring_config {
1911	__u32 u:13;
1912	__u32 reserved0:3;
1913	__u32 v:13;
1914	__u32 reserved1:3;
1915} __packed;
1916
1917/**
1918 * struct ipu3_uapi_yuvp1_chnr_sense_gain_config - Chroma noise reduction gains
1919 *
1920 * All sensitivity gain parameters have precision u13.0, range [0, 8191].
1921 *
1922 * @vy: Sensitivity of horizontal edge of Y, default 100
1923 * @vu: Sensitivity of horizontal edge of U, default 100
1924 * @vv: Sensitivity of horizontal edge of V, default 100
1925 * @reserved0: reserved
1926 * @hy: Sensitivity of vertical edge of Y, default 50
1927 * @hu: Sensitivity of vertical edge of U, default 50
1928 * @hv: Sensitivity of vertical edge of V, default 50
1929 * @reserved1: reserved
1930 */
1931struct ipu3_uapi_yuvp1_chnr_sense_gain_config {
1932	__u32 vy:8;
1933	__u32 vu:8;
1934	__u32 vv:8;
1935	__u32 reserved0:8;
1936
1937	__u32 hy:8;
1938	__u32 hu:8;
1939	__u32 hv:8;
1940	__u32 reserved1:8;
1941} __packed;
1942
1943/**
1944 * struct ipu3_uapi_yuvp1_chnr_iir_fir_config - Chroma IIR/FIR filter config
1945 *
1946 * @fir_0h: Value of center tap in horizontal FIR, range [0, 32], default 8.
1947 * @reserved0: reserved
1948 * @fir_1h: Value of distance 1 in horizontal FIR, range [0, 32], default 12.
1949 * @reserved1: reserved
1950 * @fir_2h: Value of distance 2 tap in horizontal FIR, range [0, 32], default 0.
1951 * @dalpha_clip_val: weight for previous row in IIR, range [1, 256], default 0.
1952 * @reserved2: reserved
1953 */
1954struct ipu3_uapi_yuvp1_chnr_iir_fir_config {
1955	__u32 fir_0h:6;
1956	__u32 reserved0:2;
1957	__u32 fir_1h:6;
1958	__u32 reserved1:2;
1959	__u32 fir_2h:6;
1960	__u32 dalpha_clip_val:9;
1961	__u32 reserved2:1;
1962} __packed;
1963
1964/**
1965 * struct ipu3_uapi_yuvp1_chnr_config - Chroma noise reduction config
1966 *
1967 * @enable: chroma noise reduction enable, see
1968 *	    &ipu3_uapi_yuvp1_chnr_enable_config
1969 * @coring: coring config for chroma noise reduction, see
1970 *	    &ipu3_uapi_yuvp1_chnr_coring_config
1971 * @sense_gain: sensitivity config for chroma noise reduction, see
1972 *		ipu3_uapi_yuvp1_chnr_sense_gain_config
1973 * @iir_fir: iir and fir config for chroma noise reduction, see
1974 *	     ipu3_uapi_yuvp1_chnr_iir_fir_config
1975 */
1976struct ipu3_uapi_yuvp1_chnr_config {
1977	struct ipu3_uapi_yuvp1_chnr_enable_config enable;
1978	struct ipu3_uapi_yuvp1_chnr_coring_config coring;
1979	struct ipu3_uapi_yuvp1_chnr_sense_gain_config sense_gain;
1980	struct ipu3_uapi_yuvp1_chnr_iir_fir_config iir_fir;
1981} __packed;
1982
1983/* Edge Enhancement and Noise Reduction */
1984
1985/**
1986 * struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config - Luma(Y) edge enhancement low-pass
1987 *					       filter coefficients
1988 *
1989 * @a_diag: Smoothing diagonal coefficient, u5.0.
1990 * @reserved0: reserved
1991 * @a_periph: Image smoothing perpherial, u5.0.
1992 * @reserved1: reserved
1993 * @a_cent: Image Smoothing center coefficient, u5.0.
1994 * @reserved2: reserved
1995 * @enable: 0: Y_EE_NR disabled, output = input; 1: Y_EE_NR enabled.
1996 */
1997struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config {
1998	__u32 a_diag:5;
1999	__u32 reserved0:3;
2000	__u32 a_periph:5;
2001	__u32 reserved1:3;
2002	__u32 a_cent:5;
2003	__u32 reserved2:9;
2004	__u32 enable:1;
2005} __packed;
2006
2007/**
2008 * struct ipu3_uapi_yuvp1_y_ee_nr_sense_config - Luma(Y) edge enhancement
2009 *					noise reduction sensitivity gains
2010 *
2011 * @edge_sense_0: Sensitivity of edge in dark area. u13.0, default 8191.
2012 * @reserved0: reserved
2013 * @delta_edge_sense: Difference in the sensitivity of edges between
2014 *		      the bright and dark areas. u13.0, default 0.
2015 * @reserved1: reserved
2016 * @corner_sense_0: Sensitivity of corner in dark area. u13.0, default 0.
2017 * @reserved2: reserved
2018 * @delta_corner_sense: Difference in the sensitivity of corners between
2019 *			the bright and dark areas. u13.0, default 8191.
2020 * @reserved3: reserved
2021 */
2022struct ipu3_uapi_yuvp1_y_ee_nr_sense_config {
2023	__u32 edge_sense_0:13;
2024	__u32 reserved0:3;
2025	__u32 delta_edge_sense:13;
2026	__u32 reserved1:3;
2027	__u32 corner_sense_0:13;
2028	__u32 reserved2:3;
2029	__u32 delta_corner_sense:13;
2030	__u32 reserved3:3;
2031} __packed;
2032
2033/**
2034 * struct ipu3_uapi_yuvp1_y_ee_nr_gain_config - Luma(Y) edge enhancement
2035 *						noise reduction gain config
2036 *
2037 * @gain_pos_0: Gain for positive edge in dark area. u5.0, [0, 16], default 2.
2038 * @reserved0: reserved
2039 * @delta_gain_posi: Difference in the gain of edges between the bright and
2040 *		     dark areas for positive edges. u5.0, [0, 16], default 0.
2041 * @reserved1: reserved
2042 * @gain_neg_0: Gain for negative edge in dark area. u5.0, [0, 16], default 8.
2043 * @reserved2: reserved
2044 * @delta_gain_neg: Difference in the gain of edges between the bright and
2045 *		    dark areas for negative edges. u5.0, [0, 16], default 0.
2046 * @reserved3: reserved
2047 */
2048struct ipu3_uapi_yuvp1_y_ee_nr_gain_config {
2049	__u32 gain_pos_0:5;
2050	__u32 reserved0:3;
2051	__u32 delta_gain_posi:5;
2052	__u32 reserved1:3;
2053	__u32 gain_neg_0:5;
2054	__u32 reserved2:3;
2055	__u32 delta_gain_neg:5;
2056	__u32 reserved3:3;
2057} __packed;
2058
2059/**
2060 * struct ipu3_uapi_yuvp1_y_ee_nr_clip_config - Luma(Y) edge enhancement
2061 *					noise reduction clipping config
2062 *
2063 * @clip_pos_0: Limit of positive edge in dark area
2064 *		u5, value [0, 16], default 8.
2065 * @reserved0: reserved
2066 * @delta_clip_posi: Difference in the limit of edges between the bright
2067 *		     and dark areas for positive edges.
2068 *		     u5, value [0, 16], default 8.
2069 * @reserved1: reserved
2070 * @clip_neg_0: Limit of negative edge in dark area
2071 *		u5, value [0, 16], default 8.
2072 * @reserved2: reserved
2073 * @delta_clip_neg: Difference in the limit of edges between the bright
2074 *		    and dark areas for negative edges.
2075 *		    u5, value [0, 16], default 8.
2076 * @reserved3: reserved
2077 */
2078struct ipu3_uapi_yuvp1_y_ee_nr_clip_config {
2079	__u32 clip_pos_0:5;
2080	__u32 reserved0:3;
2081	__u32 delta_clip_posi:5;
2082	__u32 reserved1:3;
2083	__u32 clip_neg_0:5;
2084	__u32 reserved2:3;
2085	__u32 delta_clip_neg:5;
2086	__u32 reserved3:3;
2087} __packed;
2088
2089/**
2090 * struct ipu3_uapi_yuvp1_y_ee_nr_frng_config - Luma(Y) edge enhancement
2091 *						noise reduction fringe config
2092 *
2093 * @gain_exp: Common exponent of gains, u4, [0, 8], default 2.
2094 * @reserved0: reserved
2095 * @min_edge: Threshold for edge and smooth stitching, u13.
2096 * @reserved1: reserved
2097 * @lin_seg_param: Power of LinSeg, u4.
2098 * @reserved2: reserved
2099 * @t1: Parameter for enabling/disabling the edge enhancement, u1.0, [0, 1],
2100 *	default 1.
2101 * @t2: Parameter for enabling/disabling the smoothing, u1.0, [0, 1],
2102 *	default 1.
2103 * @reserved3: reserved
2104 */
2105struct ipu3_uapi_yuvp1_y_ee_nr_frng_config {
2106	__u32 gain_exp:4;
2107	__u32 reserved0:28;
2108	__u32 min_edge:13;
2109	__u32 reserved1:3;
2110	__u32 lin_seg_param:4;
2111	__u32 reserved2:4;
2112	__u32 t1:1;
2113	__u32 t2:1;
2114	__u32 reserved3:6;
2115} __packed;
2116
2117/**
2118 * struct ipu3_uapi_yuvp1_y_ee_nr_diag_config - Luma(Y) edge enhancement
2119 *					noise reduction diagonal config
2120 *
2121 * @diag_disc_g: Coefficient that prioritize diagonal edge direction on
2122 *		 horizontal or vertical for final enhancement.
2123 *		 u4.0, [1, 15], default 1.
2124 * @reserved0: reserved
2125 * @hvw_hor: Weight of horizontal/vertical edge enhancement for hv edge.
2126 *		u2.2, [1, 15], default 4.
2127 * @dw_hor: Weight of diagonal edge enhancement for hv edge.
2128 *		u2.2, [1, 15], default 1.
2129 * @hvw_diag: Weight of horizontal/vertical edge enhancement for diagonal edge.
2130 *		u2.2, [1, 15], default 1.
2131 * @dw_diag: Weight of diagonal edge enhancement for diagonal edge.
2132 *		u2.2, [1, 15], default 4.
2133 * @reserved1: reserved
2134 */
2135struct ipu3_uapi_yuvp1_y_ee_nr_diag_config {
2136	__u32 diag_disc_g:4;
2137	__u32 reserved0:4;
2138	__u32 hvw_hor:4;
2139	__u32 dw_hor:4;
2140	__u32 hvw_diag:4;
2141	__u32 dw_diag:4;
2142	__u32 reserved1:8;
2143} __packed;
2144
2145/**
2146 * struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config - Luma(Y) edge enhancement
2147 *		noise reduction false color correction (FCC) coring config
2148 *
2149 * @pos_0: Gain for positive edge in dark, u13.0, [0, 16], default 0.
2150 * @reserved0: reserved
2151 * @pos_delta: Gain for positive edge in bright, value: pos_0 + pos_delta <=16
2152 *		u13.0, default 0.
2153 * @reserved1: reserved
2154 * @neg_0: Gain for negative edge in dark area, u13.0, range [0, 16], default 0.
2155 * @reserved2: reserved
2156 * @neg_delta: Gain for negative edge in bright area. neg_0 + neg_delta <=16
2157 *		u13.0, default 0.
2158 * @reserved3: reserved
2159 *
2160 * Coring is a simple soft thresholding technique.
2161 */
2162struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config {
2163	__u32 pos_0:13;
2164	__u32 reserved0:3;
2165	__u32 pos_delta:13;
2166	__u32 reserved1:3;
2167	__u32 neg_0:13;
2168	__u32 reserved2:3;
2169	__u32 neg_delta:13;
2170	__u32 reserved3:3;
2171} __packed;
2172
2173/**
2174 * struct ipu3_uapi_yuvp1_y_ee_nr_config - Edge enhancement and noise reduction
2175 *
2176 * @lpf: low-pass filter config. See &ipu3_uapi_yuvp1_y_ee_nr_lpf_config
2177 * @sense: sensitivity config. See &ipu3_uapi_yuvp1_y_ee_nr_sense_config
2178 * @gain: gain config as defined in &ipu3_uapi_yuvp1_y_ee_nr_gain_config
2179 * @clip: clip config as defined in &ipu3_uapi_yuvp1_y_ee_nr_clip_config
2180 * @frng: fringe config as defined in &ipu3_uapi_yuvp1_y_ee_nr_frng_config
2181 * @diag: diagonal edge config. See &ipu3_uapi_yuvp1_y_ee_nr_diag_config
2182 * @fc_coring: coring config for fringe control. See
2183 *	       &ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config
2184 */
2185struct ipu3_uapi_yuvp1_y_ee_nr_config {
2186	struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config lpf;
2187	struct ipu3_uapi_yuvp1_y_ee_nr_sense_config sense;
2188	struct ipu3_uapi_yuvp1_y_ee_nr_gain_config gain;
2189	struct ipu3_uapi_yuvp1_y_ee_nr_clip_config clip;
2190	struct ipu3_uapi_yuvp1_y_ee_nr_frng_config frng;
2191	struct ipu3_uapi_yuvp1_y_ee_nr_diag_config diag;
2192	struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config fc_coring;
2193} __packed;
2194
2195/* Total Color Correction */
2196
2197/**
2198 * struct ipu3_uapi_yuvp2_tcc_gen_control_static_config - Total color correction
2199 *				general control config
2200 *
2201 * @en:	0 - TCC disabled. Output = input 1 - TCC enabled.
2202 * @blend_shift:	blend shift, Range[3, 4], default NA.
2203 * @gain_according_to_y_only:	0: Gain is calculated according to YUV,
2204 *				1: Gain is calculated according to Y only
2205 * @reserved0: reserved
2206 * @gamma:	Final blending coefficients. Values[-16, 16], default NA.
2207 * @reserved1: reserved
2208 * @delta:	Final blending coefficients. Values[-16, 16], default NA.
2209 * @reserved2: reserved
2210 */
2211struct ipu3_uapi_yuvp2_tcc_gen_control_static_config {
2212	__u32 en:1;
2213	__u32 blend_shift:3;
2214	__u32 gain_according_to_y_only:1;
2215	__u32 reserved0:11;
2216	__s32 gamma:5;
2217	__u32 reserved1:3;
2218	__s32 delta:5;
2219	__u32 reserved2:3;
2220} __packed;
2221
2222/**
2223 * struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config - Total color correction
2224 *				multi-axis color control (MACC) config
2225 *
2226 * @a: a coefficient for 2x2 MACC conversion matrix.
2227 * @reserved0: reserved
2228 * @b: b coefficient  2x2 MACC conversion matrix.
2229 * @reserved1: reserved
2230 * @c: c coefficient for 2x2 MACC conversion matrix.
2231 * @reserved2: reserved
2232 * @d: d coefficient for 2x2 MACC conversion matrix.
2233 * @reserved3: reserved
2234 */
2235struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config {
2236	__s32 a:12;
2237	__u32 reserved0:4;
2238	__s32 b:12;
2239	__u32 reserved1:4;
2240	__s32 c:12;
2241	__u32 reserved2:4;
2242	__s32 d:12;
2243	__u32 reserved3:4;
2244} __packed;
2245
2246/**
2247 * struct ipu3_uapi_yuvp2_tcc_macc_table_static_config - Total color correction
2248 *				multi-axis color control (MACC) table array
2249 *
2250 * @entries: config for multi axis color correction, as specified by
2251 *	     &ipu3_uapi_yuvp2_tcc_macc_elem_static_config
2252 */
2253struct ipu3_uapi_yuvp2_tcc_macc_table_static_config {
2254	struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config
2255		entries[IPU3_UAPI_YUVP2_TCC_MACC_TABLE_ELEMENTS];
2256} __packed;
2257
2258/**
2259 * struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config - Total color correction
2260 *				inverse y lookup table
2261 *
2262 * @entries: lookup table for inverse y estimation, and use it to estimate the
2263 *	     ratio between luma and chroma. Chroma by approximate the absolute
2264 *	     value of the radius on the chroma plane (R = sqrt(u^2+v^2) ) and
2265 *	     luma by approximate by 1/Y.
2266 */
2267struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config {
2268	__u16 entries[IPU3_UAPI_YUVP2_TCC_INV_Y_LUT_ELEMENTS];
2269} __packed;
2270
2271/**
2272 * struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config - Total color
2273 *					correction lookup table for PCWL
2274 *
2275 * @entries: lookup table for gain piece wise linear transformation (PCWL)
2276 */
2277struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config {
2278	__u16 entries[IPU3_UAPI_YUVP2_TCC_GAIN_PCWL_LUT_ELEMENTS];
2279} __packed;
2280
2281/**
2282 * struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config - Total color correction
2283 *				lookup table for r square root
2284 *
2285 * @entries: lookup table for r square root estimation
2286 */
2287struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config {
2288	__s16 entries[IPU3_UAPI_YUVP2_TCC_R_SQR_LUT_ELEMENTS];
2289} __packed;
2290
2291/**
2292 * struct ipu3_uapi_yuvp2_tcc_static_config- Total color correction static
2293 *
2294 * @gen_control: general config for Total Color Correction
2295 * @macc_table: config for multi axis color correction
2296 * @inv_y_lut: lookup table for inverse y estimation
2297 * @gain_pcwl: lookup table for gain PCWL
2298 * @r_sqr_lut: lookup table for r square root estimation.
2299 */
2300struct ipu3_uapi_yuvp2_tcc_static_config {
2301	struct ipu3_uapi_yuvp2_tcc_gen_control_static_config gen_control;
2302	struct ipu3_uapi_yuvp2_tcc_macc_table_static_config macc_table;
2303	struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config inv_y_lut;
2304	struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config gain_pcwl;
2305	struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config r_sqr_lut;
2306} __packed;
2307
2308/* Advanced Noise Reduction related structs */
2309
2310/*
2311 * struct ipu3_uapi_anr_alpha - Advanced noise reduction alpha
2312 *
2313 * Tunable parameters that are subject to modification according to the
2314 * total gain used.
2315 */
2316struct ipu3_uapi_anr_alpha {
2317	__u16 gr;
2318	__u16 r;
2319	__u16 b;
2320	__u16 gb;
2321	__u16 dc_gr;
2322	__u16 dc_r;
2323	__u16 dc_b;
2324	__u16 dc_gb;
2325} __packed;
2326
2327/*
2328 * struct ipu3_uapi_anr_beta - Advanced noise reduction beta
2329 *
2330 * Tunable parameters that are subject to modification according to the
2331 * total gain used.
2332 */
2333struct ipu3_uapi_anr_beta {
2334	__u16 beta_gr;
2335	__u16 beta_r;
2336	__u16 beta_b;
2337	__u16 beta_gb;
2338} __packed;
2339
2340/*
2341 * struct ipu3_uapi_anr_plane_color - Advanced noise reduction per plane R, Gr,
2342 *				      Gb and B register settings
2343 *
2344 * Tunable parameters that are subject to modification according to the
2345 * total gain used.
2346 */
2347struct ipu3_uapi_anr_plane_color {
2348	__u16 reg_w_gr[16];
2349	__u16 reg_w_r[16];
2350	__u16 reg_w_b[16];
2351	__u16 reg_w_gb[16];
2352} __packed;
2353
2354/**
2355 * struct ipu3_uapi_anr_transform_config - Advanced noise reduction transform
2356 *
2357 * @enable: advanced noise reduction enabled.
2358 * @adaptive_treshhold_en: On IPU3, adaptive threshold is always enabled.
2359 * @reserved1: reserved
2360 * @reserved2: reserved
2361 * @alpha: using following defaults:
2362 *		13, 13, 13, 13, 0, 0, 0, 0
2363 *		11, 11, 11, 11, 0, 0, 0, 0
2364 *		14,  14, 14, 14, 0, 0, 0, 0
2365 * @beta: use following defaults:
2366 *		24, 24, 24, 24
2367 *		21, 20, 20, 21
2368 *		25, 25, 25, 25
2369 * @color: use defaults defined in driver/media/pci/intel/ipu3-tables.c
2370 * @sqrt_lut: 11 bits per element, values =
2371 *					[724 768 810 849 887
2372 *					923 958 991 1024 1056
2373 *					1116 1145 1173 1201 1086
2374 *					1228 1254 1280 1305 1330
2375 *					1355 1379 1402 1425 1448]
2376 * @xreset: Reset value of X for r^2 calculation Value: col_start-X_center
2377 *	Constraint: Xreset + FrameWdith=4095 Xreset= -4095, default -1632.
2378 * @reserved3: reserved
2379 * @yreset: Reset value of Y for r^2 calculation Value: row_start-Y_center
2380 *	 Constraint: Yreset + FrameHeight=4095 Yreset= -4095, default -1224.
2381 * @reserved4: reserved
2382 * @x_sqr_reset: Reset value of X^2 for r^2 calculation Value = (Xreset)^2
2383 * @r_normfactor: Normalization factor for R. Default 14.
2384 * @reserved5: reserved
2385 * @y_sqr_reset: Reset value of Y^2 for r^2 calculation Value = (Yreset)^2
2386 * @gain_scale: Parameter describing shading gain as a function of distance
2387 *		from the image center.
2388 *		A single value per frame, loaded by the driver. Default 115.
2389 */
2390struct ipu3_uapi_anr_transform_config {
2391	__u32 enable:1;			/* 0 or 1, disabled or enabled */
2392	__u32 adaptive_treshhold_en:1;	/* On IPU3, always enabled */
2393
2394	__u32 reserved1:30;
2395	__u8 reserved2[44];
2396
2397	struct ipu3_uapi_anr_alpha alpha[3];
2398	struct ipu3_uapi_anr_beta beta[3];
2399	struct ipu3_uapi_anr_plane_color color[3];
2400
2401	__u16 sqrt_lut[IPU3_UAPI_ANR_LUT_SIZE];	/* 11 bits per element */
2402
2403	__s16 xreset:13;
2404	__u16 reserved3:3;
2405	__s16 yreset:13;
2406	__u16 reserved4:3;
2407
2408	__u32 x_sqr_reset:24;
2409	__u32 r_normfactor:5;
2410	__u32 reserved5:3;
2411
2412	__u32 y_sqr_reset:24;
2413	__u32 gain_scale:8;
2414} __packed;
2415
2416/**
2417 * struct ipu3_uapi_anr_stitch_pyramid - ANR stitch pyramid
2418 *
2419 * @entry0: pyramid LUT entry0, range [0x0, 0x3f]
2420 * @entry1: pyramid LUT entry1, range [0x0, 0x3f]
2421 * @entry2: pyramid LUT entry2, range [0x0, 0x3f]
2422 * @reserved: reserved
2423 */
2424struct ipu3_uapi_anr_stitch_pyramid {
2425	__u32 entry0:6;
2426	__u32 entry1:6;
2427	__u32 entry2:6;
2428	__u32 reserved:14;
2429} __packed;
2430
2431/**
2432 * struct ipu3_uapi_anr_stitch_config - ANR stitch config
2433 *
2434 * @anr_stitch_en: enable stitch. Enabled with 1.
2435 * @reserved: reserved
2436 * @pyramid: pyramid table as defined by &ipu3_uapi_anr_stitch_pyramid
2437 *		default values:
2438 *		{ 1, 3, 5 }, { 7, 7, 5 }, { 3, 1, 3 },
2439 *		{ 9, 15, 21 }, { 21, 15, 9 }, { 3, 5, 15 },
2440 *		{ 25, 35, 35 }, { 25, 15, 5 }, { 7, 21, 35 },
2441 *		{ 49, 49, 35 }, { 21, 7, 7 }, { 21, 35, 49 },
2442 *		{ 49, 35, 21 }, { 7, 5, 15 }, { 25, 35, 35 },
2443 *		{ 25, 15, 5 }, { 3, 9, 15 }, { 21, 21, 15 },
2444 *		{ 9, 3, 1 }, { 3, 5, 7 }, { 7, 5, 3}, { 1 }
2445 */
2446struct ipu3_uapi_anr_stitch_config {
2447	__u32 anr_stitch_en;
2448	__u8 reserved[44];
2449	struct ipu3_uapi_anr_stitch_pyramid pyramid[IPU3_UAPI_ANR_PYRAMID_SIZE];
2450} __packed;
2451
2452/**
2453 * struct ipu3_uapi_anr_config - ANR config
2454 *
2455 * @transform:	advanced noise reduction transform config as specified by
2456 *		&ipu3_uapi_anr_transform_config
2457 * @stitch: create 4x4 patch from 4 surrounding 8x8 patches.
2458 */
2459struct ipu3_uapi_anr_config {
2460	struct ipu3_uapi_anr_transform_config transform __attribute__((aligned(32)));
2461	struct ipu3_uapi_anr_stitch_config stitch __attribute__((aligned(32)));
2462} __packed;
2463
2464/**
2465 * struct ipu3_uapi_acc_param - Accelerator cluster parameters
2466 *
2467 * ACC refers to the HW cluster containing all Fixed Functions (FFs). Each FF
2468 * implements a specific algorithm.
2469 *
2470 * @bnr:	parameters for bayer noise reduction static config. See
2471 *		&ipu3_uapi_bnr_static_config
2472 * @green_disparity:	disparity static config between gr and gb channel.
2473 *			See &ipu3_uapi_bnr_static_config_green_disparity
2474 * @dm:	de-mosaic config. See &ipu3_uapi_dm_config
2475 * @ccm:	color correction matrix. See &ipu3_uapi_ccm_mat_config
2476 * @gamma:	gamma correction config. See &ipu3_uapi_gamma_config
2477 * @csc:	color space conversion matrix. See &ipu3_uapi_csc_mat_config
2478 * @cds:	color down sample config. See &ipu3_uapi_cds_params
2479 * @shd:	lens shading correction config. See &ipu3_uapi_shd_config
2480 * @iefd:	Image enhancement filter and denoise config.
2481 *		&ipu3_uapi_yuvp1_iefd_config
2482 * @yds_c0:	y down scaler config. &ipu3_uapi_yuvp1_yds_config
2483 * @chnr_c0:	chroma noise reduction config. &ipu3_uapi_yuvp1_chnr_config
2484 * @y_ee_nr:	y edge enhancement and noise reduction config.
2485 *		&ipu3_uapi_yuvp1_y_ee_nr_config
2486 * @yds:	y down scaler config. See &ipu3_uapi_yuvp1_yds_config
2487 * @chnr:	chroma noise reduction config. See &ipu3_uapi_yuvp1_chnr_config
2488 * @yds2:	y channel down scaler config. See &ipu3_uapi_yuvp1_yds_config
2489 * @tcc:	total color correction config as defined in struct
2490 *		&ipu3_uapi_yuvp2_tcc_static_config
2491 * @anr:	advanced noise reduction config.See &ipu3_uapi_anr_config
2492 * @awb_fr:	AWB filter response config. See ipu3_uapi_awb_fr_config
2493 * @ae:	auto exposure config  As specified by &ipu3_uapi_ae_config
2494 * @af:	auto focus config. As specified by &ipu3_uapi_af_config
2495 * @awb:	auto white balance config. As specified by &ipu3_uapi_awb_config
2496 */
2497struct ipu3_uapi_acc_param {
2498	struct ipu3_uapi_bnr_static_config bnr;
2499	struct ipu3_uapi_bnr_static_config_green_disparity
2500				green_disparity __attribute__((aligned(32)));
2501	struct ipu3_uapi_dm_config dm __attribute__((aligned(32)));
2502	struct ipu3_uapi_ccm_mat_config ccm __attribute__((aligned(32)));
2503	struct ipu3_uapi_gamma_config gamma __attribute__((aligned(32)));
2504	struct ipu3_uapi_csc_mat_config csc __attribute__((aligned(32)));
2505	struct ipu3_uapi_cds_params cds __attribute__((aligned(32)));
2506	struct ipu3_uapi_shd_config shd __attribute__((aligned(32)));
2507	struct ipu3_uapi_yuvp1_iefd_config iefd __attribute__((aligned(32)));
2508	struct ipu3_uapi_yuvp1_yds_config yds_c0 __attribute__((aligned(32)));
2509	struct ipu3_uapi_yuvp1_chnr_config chnr_c0 __attribute__((aligned(32)));
2510	struct ipu3_uapi_yuvp1_y_ee_nr_config y_ee_nr __attribute__((aligned(32)));
2511	struct ipu3_uapi_yuvp1_yds_config yds __attribute__((aligned(32)));
2512	struct ipu3_uapi_yuvp1_chnr_config chnr __attribute__((aligned(32)));
2513	struct ipu3_uapi_yuvp1_yds_config yds2 __attribute__((aligned(32)));
2514	struct ipu3_uapi_yuvp2_tcc_static_config tcc __attribute__((aligned(32)));
2515	struct ipu3_uapi_anr_config anr;
2516	struct ipu3_uapi_awb_fr_config_s awb_fr;
2517	struct ipu3_uapi_ae_config ae;
2518	struct ipu3_uapi_af_config_s af;
2519	struct ipu3_uapi_awb_config awb;
2520} __packed;
2521
2522/**
2523 * struct ipu3_uapi_isp_lin_vmem_params - Linearization parameters
2524 *
2525 * @lin_lutlow_gr: linearization look-up table for GR channel interpolation.
2526 * @lin_lutlow_r: linearization look-up table for R channel interpolation.
2527 * @lin_lutlow_b: linearization look-up table for B channel interpolation.
2528 * @lin_lutlow_gb: linearization look-up table for GB channel interpolation.
2529 *			lin_lutlow_gr / lin_lutlow_r / lin_lutlow_b /
2530 *			lin_lutlow_gb <= LIN_MAX_VALUE - 1.
2531 * @lin_lutdif_gr:	lin_lutlow_gr[i+1] - lin_lutlow_gr[i].
2532 * @lin_lutdif_r:	lin_lutlow_r[i+1] - lin_lutlow_r[i].
2533 * @lin_lutdif_b:	lin_lutlow_b[i+1] - lin_lutlow_b[i].
2534 * @lin_lutdif_gb:	lin_lutlow_gb[i+1] - lin_lutlow_gb[i].
2535 */
2536struct ipu3_uapi_isp_lin_vmem_params {
2537	__s16 lin_lutlow_gr[IPU3_UAPI_LIN_LUT_SIZE];
2538	__s16 lin_lutlow_r[IPU3_UAPI_LIN_LUT_SIZE];
2539	__s16 lin_lutlow_b[IPU3_UAPI_LIN_LUT_SIZE];
2540	__s16 lin_lutlow_gb[IPU3_UAPI_LIN_LUT_SIZE];
2541	__s16 lin_lutdif_gr[IPU3_UAPI_LIN_LUT_SIZE];
2542	__s16 lin_lutdif_r[IPU3_UAPI_LIN_LUT_SIZE];
2543	__s16 lin_lutdif_b[IPU3_UAPI_LIN_LUT_SIZE];
2544	__s16 lin_lutdif_gb[IPU3_UAPI_LIN_LUT_SIZE];
2545} __packed;
2546
2547/* Temporal Noise Reduction */
2548
2549/**
2550 * struct ipu3_uapi_isp_tnr3_vmem_params - Temporal noise reduction vector
2551 *					   memory parameters
2552 *
2553 * @slope: slope setting in interpolation curve for temporal noise reduction.
2554 * @reserved1: reserved
2555 * @sigma: knee point setting in interpolation curve for temporal
2556 *	   noise reduction.
2557 * @reserved2: reserved
2558 */
2559struct ipu3_uapi_isp_tnr3_vmem_params {
2560	__u16 slope[IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2561	__u16 reserved1[IPU3_UAPI_ISP_VEC_ELEMS
2562						- IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2563	__u16 sigma[IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2564	__u16 reserved2[IPU3_UAPI_ISP_VEC_ELEMS
2565						- IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2566} __packed;
2567
2568/**
2569 * struct ipu3_uapi_isp_tnr3_params - Temporal noise reduction v3 parameters
2570 *
2571 * @knee_y1: Knee point TNR3 assumes standard deviation of Y,U and
2572 *	V at Y1 are TnrY1_Sigma_Y, U and V.
2573 * @knee_y2: Knee point TNR3 assumes standard deviation of Y,U and
2574 *		V at Y2 are TnrY2_Sigma_Y, U and V.
2575 * @maxfb_y: Max feedback gain for Y
2576 * @maxfb_u: Max feedback gain for U
2577 * @maxfb_v: Max feedback gain for V
2578 * @round_adj_y: rounding Adjust for Y
2579 * @round_adj_u: rounding Adjust for U
2580 * @round_adj_v: rounding Adjust for V
2581 * @ref_buf_select: selection of the reference frame buffer to be used.
2582 */
2583struct ipu3_uapi_isp_tnr3_params {
2584	__u32 knee_y1;
2585	__u32 knee_y2;
2586	__u32 maxfb_y;
2587	__u32 maxfb_u;
2588	__u32 maxfb_v;
2589	__u32 round_adj_y;
2590	__u32 round_adj_u;
2591	__u32 round_adj_v;
2592	__u32 ref_buf_select;
2593} __packed;
2594
2595/* Extreme Noise Reduction version 3 */
2596
2597/**
2598 * struct ipu3_uapi_isp_xnr3_vmem_params - Extreme noise reduction v3
2599 *					   vector memory parameters
2600 *
2601 * @x: xnr3 parameters.
2602 * @a: xnr3 parameters.
2603 * @b: xnr3 parameters.
2604 * @c: xnr3 parameters.
2605 */
2606struct ipu3_uapi_isp_xnr3_vmem_params {
2607	__u16 x[IPU3_UAPI_ISP_VEC_ELEMS];
2608	__u16 a[IPU3_UAPI_ISP_VEC_ELEMS];
2609	__u16 b[IPU3_UAPI_ISP_VEC_ELEMS];
2610	__u16 c[IPU3_UAPI_ISP_VEC_ELEMS];
2611} __packed;
2612
2613/**
2614 * struct ipu3_uapi_xnr3_alpha_params - Extreme noise reduction v3
2615 *					alpha tuning parameters
2616 *
2617 * @y0: Sigma for Y range similarity in dark area.
2618 * @u0: Sigma for U range similarity in dark area.
2619 * @v0: Sigma for V range similarity in dark area.
2620 * @ydiff: Sigma difference for Y between bright area and dark area.
2621 * @udiff: Sigma difference for U between bright area and dark area.
2622 * @vdiff: Sigma difference for V between bright area and dark area.
2623 */
2624struct ipu3_uapi_xnr3_alpha_params {
2625	__u32 y0;
2626	__u32 u0;
2627	__u32 v0;
2628	__u32 ydiff;
2629	__u32 udiff;
2630	__u32 vdiff;
2631} __packed;
2632
2633/**
2634 * struct ipu3_uapi_xnr3_coring_params - Extreme noise reduction v3
2635 *					 coring parameters
2636 *
2637 * @u0: Coring Threshold of U channel in dark area.
2638 * @v0: Coring Threshold of V channel in dark area.
2639 * @udiff: Threshold difference of U channel between bright and dark area.
2640 * @vdiff: Threshold difference of V channel between bright and dark area.
2641 */
2642struct ipu3_uapi_xnr3_coring_params {
2643	__u32 u0;
2644	__u32 v0;
2645	__u32 udiff;
2646	__u32 vdiff;
2647} __packed;
2648
2649/**
2650 * struct ipu3_uapi_xnr3_blending_params - Blending factor
2651 *
2652 * @strength: The factor for blending output with input. This is tuning
2653 *	      parameterHigher values lead to more aggressive XNR operation.
2654 */
2655struct ipu3_uapi_xnr3_blending_params {
2656	__u32 strength;
2657} __packed;
2658
2659/**
2660 * struct ipu3_uapi_isp_xnr3_params - Extreme noise reduction v3 parameters
2661 *
2662 * @alpha: parameters for xnr3 alpha. See &ipu3_uapi_xnr3_alpha_params
2663 * @coring: parameters for xnr3 coring. See &ipu3_uapi_xnr3_coring_params
2664 * @blending: parameters for xnr3 blending. See &ipu3_uapi_xnr3_blending_params
2665 */
2666struct ipu3_uapi_isp_xnr3_params {
2667	struct ipu3_uapi_xnr3_alpha_params alpha;
2668	struct ipu3_uapi_xnr3_coring_params coring;
2669	struct ipu3_uapi_xnr3_blending_params blending;
2670} __packed;
2671
2672/***** Obgrid (optical black level compensation) table entry *****/
2673
2674/**
2675 * struct ipu3_uapi_obgrid_param - Optical black level compensation parameters
2676 *
2677 * @gr: Grid table values for color GR
2678 * @r: Grid table values for color R
2679 * @b: Grid table values for color B
2680 * @gb: Grid table values for color GB
2681 *
2682 * Black level is different for red, green, and blue channels. So black level
2683 * compensation is different per channel.
2684 */
2685struct ipu3_uapi_obgrid_param {
2686	__u16 gr;
2687	__u16 r;
2688	__u16 b;
2689	__u16 gb;
2690} __packed;
2691
2692/******************* V4L2_META_FMT_IPU3_PARAMS *******************/
2693
2694/**
2695 * struct ipu3_uapi_flags - bits to indicate which pipeline needs update
2696 *
2697 * @gdc: 0 = no update, 1 = update.
2698 * @obgrid: 0 = no update, 1 = update.
2699 * @reserved1: Not used.
2700 * @acc_bnr: 0 = no update, 1 = update.
2701 * @acc_green_disparity: 0 = no update, 1 = update.
2702 * @acc_dm: 0 = no update, 1 = update.
2703 * @acc_ccm: 0 = no update, 1 = update.
2704 * @acc_gamma: 0 = no update, 1 = update.
2705 * @acc_csc: 0 = no update, 1 = update.
2706 * @acc_cds: 0 = no update, 1 = update.
2707 * @acc_shd: 0 = no update, 1 = update.
2708 * @reserved2: Not used.
2709 * @acc_iefd: 0 = no update, 1 = update.
2710 * @acc_yds_c0: 0 = no update, 1 = update.
2711 * @acc_chnr_c0: 0 = no update, 1 = update.
2712 * @acc_y_ee_nr: 0 = no update, 1 = update.
2713 * @acc_yds: 0 = no update, 1 = update.
2714 * @acc_chnr: 0 = no update, 1 = update.
2715 * @acc_ytm: 0 = no update, 1 = update.
2716 * @acc_yds2: 0 = no update, 1 = update.
2717 * @acc_tcc: 0 = no update, 1 = update.
2718 * @acc_dpc: 0 = no update, 1 = update.
2719 * @acc_bds: 0 = no update, 1 = update.
2720 * @acc_anr: 0 = no update, 1 = update.
2721 * @acc_awb_fr: 0 = no update, 1 = update.
2722 * @acc_ae: 0 = no update, 1 = update.
2723 * @acc_af: 0 = no update, 1 = update.
2724 * @acc_awb: 0 = no update, 1 = update.
2725 * @reserved3: Not used.
2726 * @lin_vmem_params: 0 = no update, 1 = update.
2727 * @tnr3_vmem_params: 0 = no update, 1 = update.
2728 * @xnr3_vmem_params: 0 = no update, 1 = update.
2729 * @tnr3_dmem_params: 0 = no update, 1 = update.
2730 * @xnr3_dmem_params: 0 = no update, 1 = update.
2731 * @reserved4: Not used.
2732 * @obgrid_param: 0 = no update, 1 = update.
2733 * @reserved5: Not used.
2734 */
2735struct ipu3_uapi_flags {
2736	__u32 gdc:1;
2737	__u32 obgrid:1;
2738	__u32 reserved1:30;
2739
2740	__u32 acc_bnr:1;
2741	__u32 acc_green_disparity:1;
2742	__u32 acc_dm:1;
2743	__u32 acc_ccm:1;
2744	__u32 acc_gamma:1;
2745	__u32 acc_csc:1;
2746	__u32 acc_cds:1;
2747	__u32 acc_shd:1;
2748	__u32 reserved2:2;
2749	__u32 acc_iefd:1;
2750	__u32 acc_yds_c0:1;
2751	__u32 acc_chnr_c0:1;
2752	__u32 acc_y_ee_nr:1;
2753	__u32 acc_yds:1;
2754	__u32 acc_chnr:1;
2755	__u32 acc_ytm:1;
2756	__u32 acc_yds2:1;
2757	__u32 acc_tcc:1;
2758	__u32 acc_dpc:1;
2759	__u32 acc_bds:1;
2760	__u32 acc_anr:1;
2761	__u32 acc_awb_fr:1;
2762	__u32 acc_ae:1;
2763	__u32 acc_af:1;
2764	__u32 acc_awb:1;
2765	__u32 reserved3:4;
2766
2767	__u32 lin_vmem_params:1;
2768	__u32 tnr3_vmem_params:1;
2769	__u32 xnr3_vmem_params:1;
2770	__u32 tnr3_dmem_params:1;
2771	__u32 xnr3_dmem_params:1;
2772	__u32 reserved4:1;
2773	__u32 obgrid_param:1;
2774	__u32 reserved5:25;
2775} __packed;
2776
2777/**
2778 * struct ipu3_uapi_params - V4L2_META_FMT_IPU3_PARAMS
2779 *
2780 * @use:	select which parameters to apply, see &ipu3_uapi_flags
2781 * @acc_param:	ACC parameters, as specified by &ipu3_uapi_acc_param
2782 * @lin_vmem_params:	linearization VMEM, as specified by
2783 *			&ipu3_uapi_isp_lin_vmem_params
2784 * @tnr3_vmem_params:	tnr3 VMEM as specified by
2785 *			&ipu3_uapi_isp_tnr3_vmem_params
2786 * @xnr3_vmem_params:	xnr3 VMEM as specified by
2787 *			&ipu3_uapi_isp_xnr3_vmem_params
2788 * @tnr3_dmem_params:	tnr3 DMEM as specified by &ipu3_uapi_isp_tnr3_params
2789 * @xnr3_dmem_params:	xnr3 DMEM as specified by &ipu3_uapi_isp_xnr3_params
2790 * @obgrid_param:	obgrid parameters as specified by
2791 *			&ipu3_uapi_obgrid_param
2792 *
2793 * The video queue "parameters" is of format V4L2_META_FMT_IPU3_PARAMS.
2794 * This is a "single plane" v4l2_meta_format using V4L2_BUF_TYPE_META_OUTPUT.
2795 *
2796 * struct ipu3_uapi_params as defined below contains a lot of parameters and
2797 * ipu3_uapi_flags selects which parameters to apply.
2798 */
2799struct ipu3_uapi_params {
2800	/* Flags which of the settings below are to be applied */
2801	struct ipu3_uapi_flags use __attribute__((aligned(32)));
2802
2803	/* Accelerator cluster parameters */
2804	struct ipu3_uapi_acc_param acc_param;
2805
2806	/* ISP vector address space parameters */
2807	struct ipu3_uapi_isp_lin_vmem_params lin_vmem_params;
2808	struct ipu3_uapi_isp_tnr3_vmem_params tnr3_vmem_params;
2809	struct ipu3_uapi_isp_xnr3_vmem_params xnr3_vmem_params;
2810
2811	/* ISP data memory (DMEM) parameters */
2812	struct ipu3_uapi_isp_tnr3_params tnr3_dmem_params;
2813	struct ipu3_uapi_isp_xnr3_params xnr3_dmem_params;
2814
2815	/* Optical black level compensation */
2816	struct ipu3_uapi_obgrid_param obgrid_param;
2817} __packed;
2818
2819#endif /* __IPU3_UAPI_H */
2820