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1 /* SPDX-License-Identifier: GPL-2.0 */
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 #define V4L2_META_FMT_IPU3_PARAMS	v4l2_fourcc('i', 'p', '3', 'p') /* IPU3 processing parameters */
13 #define V4L2_META_FMT_IPU3_STAT_3A	v4l2_fourcc('i', 'p', '3', 's') /* IPU3 3A statistics */
14 
15 /* from include/uapi/linux/v4l2-controls.h */
16 #define V4L2_CID_INTEL_IPU3_BASE	(V4L2_CID_USER_BASE + 0x10c0)
17 #define V4L2_CID_INTEL_IPU3_MODE	(V4L2_CID_INTEL_IPU3_BASE + 1)
18 
19 /******************* ipu3_uapi_stats_3a *******************/
20 
21 #define IPU3_UAPI_MAX_STRIPES				2
22 #define IPU3_UAPI_MAX_BUBBLE_SIZE			10
23 
24 #define IPU3_UAPI_GRID_START_MASK			((1 << 12) - 1)
25 #define IPU3_UAPI_GRID_Y_START_EN			(1 << 15)
26 
27 /* controls generation of meta_data (like FF enable/disable) */
28 #define IPU3_UAPI_AWB_RGBS_THR_B_EN			(1 << 14)
29 #define IPU3_UAPI_AWB_RGBS_THR_B_INCL_SAT		(1 << 15)
30 
31 /**
32  * struct ipu3_uapi_grid_config - Grid plane config
33  *
34  * @width:	Grid horizontal dimensions, in number of grid blocks(cells).
35  * @height:	Grid vertical dimensions, in number of grid cells.
36  * @block_width_log2:	Log2 of the width of each cell in pixels.
37  *			for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7].
38  * @block_height_log2:	Log2 of the height of each cell in pixels.
39  *			for (2^3, 2^4, 2^5, 2^6, 2^7), values [3, 7].
40  * @height_per_slice:	The number of blocks in vertical axis per slice.
41  *			Default 2.
42  * @x_start: X value of top left corner of Region of Interest(ROI).
43  * @y_start: Y value of top left corner of ROI
44  * @x_end: X value of bottom right corner of ROI
45  * @y_end: Y value of bottom right corner of ROI
46  *
47  * Due to the size of total amount of collected data, most statistics
48  * create a grid-based output, and the data is then divided into "slices".
49  */
50 struct ipu3_uapi_grid_config {
51 	__u8 width;
52 	__u8 height;
53 	__u16 block_width_log2:3;
54 	__u16 block_height_log2:3;
55 	__u16 height_per_slice:8;
56 	__u16 x_start;
57 	__u16 y_start;
58 	__u16 x_end;
59 	__u16 y_end;
60 } __packed;
61 
62 /*
63  * The grid based data is divided into "slices" called set, each slice of setX
64  * refers to ipu3_uapi_grid_config width * height_per_slice.
65  */
66 #define IPU3_UAPI_AWB_MAX_SETS				60
67 /* Based on grid size 80 * 60 and cell size 16 x 16 */
68 #define IPU3_UAPI_AWB_SET_SIZE				1280
69 #define IPU3_UAPI_AWB_MD_ITEM_SIZE			8
70 #define IPU3_UAPI_AWB_SPARE_FOR_BUBBLES \
71 	(IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \
72 	 IPU3_UAPI_AWB_MD_ITEM_SIZE)
73 #define IPU3_UAPI_AWB_MAX_BUFFER_SIZE \
74 	(IPU3_UAPI_AWB_MAX_SETS * \
75 	 (IPU3_UAPI_AWB_SET_SIZE + IPU3_UAPI_AWB_SPARE_FOR_BUBBLES))
76 
77 
78 /**
79  * struct ipu3_uapi_awb_raw_buffer - AWB raw buffer
80  *
81  * @meta_data: buffer to hold auto white balance meta data which is
82  *		the average values for each color channel.
83  */
84 struct ipu3_uapi_awb_raw_buffer {
85 	__u8 meta_data[IPU3_UAPI_AWB_MAX_BUFFER_SIZE]
86 		__attribute__((aligned(32)));
87 } __packed;
88 
89 /**
90  * struct ipu3_uapi_awb_config_s - AWB config
91  *
92  * @rgbs_thr_gr: gr threshold value.
93  * @rgbs_thr_r: Red threshold value.
94  * @rgbs_thr_gb: gb threshold value.
95  * @rgbs_thr_b: Blue threshold value.
96  * @grid: &ipu3_uapi_grid_config, the default grid resolution is 16x16 cells.
97  *
98  * The threshold is a saturation measure range [0, 8191], 8191 is default.
99  * Values over threshold may be optionally rejected for averaging.
100  */
101 struct ipu3_uapi_awb_config_s {
102 	__u16 rgbs_thr_gr;
103 	__u16 rgbs_thr_r;
104 	__u16 rgbs_thr_gb;
105 	__u16 rgbs_thr_b;
106 	struct ipu3_uapi_grid_config grid;
107 } __attribute__((aligned(32))) __packed;
108 
109 /**
110  * struct ipu3_uapi_awb_config - AWB config wrapper
111  *
112  * @config: config for auto white balance as defined by &ipu3_uapi_awb_config_s
113  */
114 struct ipu3_uapi_awb_config {
115 	struct ipu3_uapi_awb_config_s config __attribute__((aligned(32)));
116 } __packed;
117 
118 #define IPU3_UAPI_AE_COLORS				4	/* R, G, B, Y */
119 #define IPU3_UAPI_AE_BINS				256
120 #define IPU3_UAPI_AE_WEIGHTS				96
121 
122 /**
123  * struct ipu3_uapi_ae_raw_buffer - AE global weighted histogram
124  *
125  * @vals: Sum of IPU3_UAPI_AE_COLORS in cell
126  *
127  * Each histogram contains IPU3_UAPI_AE_BINS bins. Each bin has 24 bit unsigned
128  * for counting the number of the pixel.
129  */
130 struct ipu3_uapi_ae_raw_buffer {
131 	__u32 vals[IPU3_UAPI_AE_BINS * IPU3_UAPI_AE_COLORS];
132 } __packed;
133 
134 /**
135  * struct ipu3_uapi_ae_raw_buffer_aligned - AE raw buffer
136  *
137  * @buff: &ipu3_uapi_ae_raw_buffer to hold full frame meta data.
138  */
139 struct ipu3_uapi_ae_raw_buffer_aligned {
140 	struct ipu3_uapi_ae_raw_buffer buff __attribute__((aligned(32)));
141 } __packed;
142 
143 /**
144  * struct ipu3_uapi_ae_grid_config - AE weight grid
145  *
146  * @width: Grid horizontal dimensions. Value: [16, 32], default 16.
147  * @height: Grid vertical dimensions. Value: [16, 24], default 16.
148  * @block_width_log2: Log2 of the width of the grid cell, value: [3, 7].
149  * @block_height_log2: Log2 of the height of the grid cell, value: [3, 7].
150  *			default is 3 (cell size 8x8), 4 cell per grid.
151  * @reserved0: reserved
152  * @ae_en: 0: does not write to &ipu3_uapi_ae_raw_buffer_aligned array,
153  *		1: write normally.
154  * @rst_hist_array: write 1 to trigger histogram array reset.
155  * @done_rst_hist_array: flag for histogram array reset done.
156  * @x_start: X value of top left corner of ROI, default 0.
157  * @y_start: Y value of top left corner of ROI, default 0.
158  * @x_end: X value of bottom right corner of ROI
159  * @y_end: Y value of bottom right corner of ROI
160  *
161  * The AE block accumulates 4 global weighted histograms(R, G, B, Y) over
162  * a defined ROI within the frame. The contribution of each pixel into the
163  * histogram, defined by &ipu3_uapi_ae_weight_elem LUT, is indexed by a grid.
164  */
165 struct ipu3_uapi_ae_grid_config {
166 	__u8 width;
167 	__u8 height;
168 	__u8 block_width_log2:4;
169 	__u8 block_height_log2:4;
170 	__u8 reserved0:5;
171 	__u8 ae_en:1;
172 	__u8 rst_hist_array:1;
173 	__u8 done_rst_hist_array:1;
174 	__u16 x_start;
175 	__u16 y_start;
176 	__u16 x_end;
177 	__u16 y_end;
178 } __packed;
179 
180 /**
181  * struct ipu3_uapi_ae_weight_elem - AE weights LUT
182  *
183  * @cell0: weighted histogram grid value.
184  * @cell1: weighted histogram grid value.
185  * @cell2: weighted histogram grid value.
186  * @cell3: weighted histogram grid value.
187  * @cell4: weighted histogram grid value.
188  * @cell5: weighted histogram grid value.
189  * @cell6: weighted histogram grid value.
190  * @cell7: weighted histogram grid value.
191  *
192  * Use weighted grid value to give a different contribution factor to each cell.
193  * Precision u4, range [0, 15].
194  */
195 struct ipu3_uapi_ae_weight_elem {
196 	__u32 cell0:4;
197 	__u32 cell1:4;
198 	__u32 cell2:4;
199 	__u32 cell3:4;
200 	__u32 cell4:4;
201 	__u32 cell5:4;
202 	__u32 cell6:4;
203 	__u32 cell7:4;
204 } __packed;
205 
206 /**
207  * struct ipu3_uapi_ae_ccm - AE coefficients for WB and CCM
208  *
209  * @gain_gr: WB gain factor for the gr channels. Default 256.
210  * @gain_r: WB gain factor for the r channel. Default 256.
211  * @gain_b: WB gain factor for the b channel. Default 256.
212  * @gain_gb: WB gain factor for the gb channels. Default 256.
213  * @mat: 4x4 matrix that transforms Bayer quad output from WB to RGB+Y.
214  *
215  * Default:
216  *	128, 0, 0, 0,
217  *	0, 128, 0, 0,
218  *	0, 0, 128, 0,
219  *	0, 0, 0, 128,
220  *
221  * As part of the raw frame pre-process stage, the WB and color conversion need
222  * to be applied to expose the impact of these gain operations.
223  */
224 struct ipu3_uapi_ae_ccm {
225 	__u16 gain_gr;
226 	__u16 gain_r;
227 	__u16 gain_b;
228 	__u16 gain_gb;
229 	__s16 mat[16];
230 } __packed;
231 
232 /**
233  * struct ipu3_uapi_ae_config - AE config
234  *
235  * @grid_cfg:	config for auto exposure statistics grid. See struct
236  *		&ipu3_uapi_ae_grid_config
237  * @weights:	&IPU3_UAPI_AE_WEIGHTS is based on 32x24 blocks in the grid.
238  *		Each grid cell has a corresponding value in weights LUT called
239  *		grid value, global histogram is updated based on grid value and
240  *		pixel value.
241  * @ae_ccm:	Color convert matrix pre-processing block.
242  *
243  * Calculate AE grid from image resolution, resample ae weights.
244  */
245 struct ipu3_uapi_ae_config {
246 	struct ipu3_uapi_ae_grid_config grid_cfg __attribute__((aligned(32)));
247 	struct ipu3_uapi_ae_weight_elem weights[
248 			IPU3_UAPI_AE_WEIGHTS] __attribute__((aligned(32)));
249 	struct ipu3_uapi_ae_ccm ae_ccm __attribute__((aligned(32)));
250 } __packed;
251 
252 /**
253  * struct ipu3_uapi_af_filter_config - AF 2D filter for contrast measurements
254  *
255  * @y1_coeff_0:	filter Y1, structure: 3x11, support both symmetry and
256  *		anti-symmetry type. A12 is center, A1-A11 are neighbours.
257  *		for analyzing low frequency content, used to calculate sum
258  *		of gradients in x direction.
259  * @y1_coeff_0.a1:	filter1 coefficients A1, u8, default 0.
260  * @y1_coeff_0.a2:	filter1 coefficients A2, u8, default 0.
261  * @y1_coeff_0.a3:	filter1 coefficients A3, u8, default 0.
262  * @y1_coeff_0.a4:	filter1 coefficients A4, u8, default 0.
263  * @y1_coeff_1:		Struct
264  * @y1_coeff_1.a5:	filter1 coefficients A5, u8, default 0.
265  * @y1_coeff_1.a6:	filter1 coefficients A6, u8, default 0.
266  * @y1_coeff_1.a7:	filter1 coefficients A7, u8, default 0.
267  * @y1_coeff_1.a8:	filter1 coefficients A8, u8, default 0.
268  * @y1_coeff_2:		Struct
269  * @y1_coeff_2.a9:	filter1 coefficients A9, u8, default 0.
270  * @y1_coeff_2.a10:	filter1 coefficients A10, u8, default 0.
271  * @y1_coeff_2.a11:	filter1 coefficients A11, u8, default 0.
272  * @y1_coeff_2.a12:	filter1 coefficients A12, u8, default 128.
273  * @y1_sign_vec:	Each bit corresponds to one coefficient sign bit,
274  *			0: positive, 1: negative, default 0.
275  * @y2_coeff_0:	Y2, same structure as Y1. For analyzing high frequency content.
276  * @y2_coeff_0.a1:	filter2 coefficients A1, u8, default 0.
277  * @y2_coeff_0.a2:	filter2 coefficients A2, u8, default 0.
278  * @y2_coeff_0.a3:	filter2 coefficients A3, u8, default 0.
279  * @y2_coeff_0.a4:	filter2 coefficients A4, u8, default 0.
280  * @y2_coeff_1:	Struct
281  * @y2_coeff_1.a5:	filter2 coefficients A5, u8, default 0.
282  * @y2_coeff_1.a6:	filter2 coefficients A6, u8, default 0.
283  * @y2_coeff_1.a7:	filter2 coefficients A7, u8, default 0.
284  * @y2_coeff_1.a8:	filter2 coefficients A8, u8, default 0.
285  * @y2_coeff_2:	Struct
286  * @y2_coeff_2.a9:	filter1 coefficients A9, u8, default 0.
287  * @y2_coeff_2.a10:	filter1 coefficients A10, u8, default 0.
288  * @y2_coeff_2.a11:	filter1 coefficients A11, u8, default 0.
289  * @y2_coeff_2.a12:	filter1 coefficients A12, u8, default 128.
290  * @y2_sign_vec:	Each bit corresponds to one coefficient sign bit,
291  *			0: positive, 1: negative, default 0.
292  * @y_calc:	Pre-processing that converts Bayer quad to RGB+Y values to be
293  *		used for building histogram. Range [0, 32], default 8.
294  * Rule:
295  *		y_gen_rate_gr + y_gen_rate_r + y_gen_rate_b + y_gen_rate_gb = 32
296  *		A single Y is calculated based on sum of Gr/R/B/Gb based on
297  *		their contribution ratio.
298  * @y_calc.y_gen_rate_gr:	Contribution ratio Gr for Y
299  * @y_calc.y_gen_rate_r:	Contribution ratio R for Y
300  * @y_calc.y_gen_rate_b:	Contribution ratio B for Y
301  * @y_calc.y_gen_rate_gb:	Contribution ratio Gb for Y
302  * @nf:	The shift right value that should be applied during the Y1/Y2 filter to
303  *	make sure the total memory needed is 2 bytes per grid cell.
304  * @nf.reserved0:	reserved
305  * @nf.y1_nf:	Normalization factor for the convolution coeffs of y1,
306  *		should be log2 of the sum of the abs values of the filter
307  *		coeffs, default 7 (2^7 = 128).
308  * @nf.reserved1:	reserved
309  * @nf.y2_nf:	Normalization factor for y2, should be log2 of the sum of the
310  *		abs values of the filter coeffs.
311  * @nf.reserved2:	reserved
312  */
313 struct ipu3_uapi_af_filter_config {
314 	struct {
315 		__u8 a1;
316 		__u8 a2;
317 		__u8 a3;
318 		__u8 a4;
319 	} y1_coeff_0;
320 	struct {
321 		__u8 a5;
322 		__u8 a6;
323 		__u8 a7;
324 		__u8 a8;
325 	} y1_coeff_1;
326 	struct {
327 		__u8 a9;
328 		__u8 a10;
329 		__u8 a11;
330 		__u8 a12;
331 	} y1_coeff_2;
332 
333 	__u32 y1_sign_vec;
334 
335 	struct {
336 		__u8 a1;
337 		__u8 a2;
338 		__u8 a3;
339 		__u8 a4;
340 	} y2_coeff_0;
341 	struct {
342 		__u8 a5;
343 		__u8 a6;
344 		__u8 a7;
345 		__u8 a8;
346 	} y2_coeff_1;
347 	struct {
348 		__u8 a9;
349 		__u8 a10;
350 		__u8 a11;
351 		__u8 a12;
352 	} y2_coeff_2;
353 
354 	__u32 y2_sign_vec;
355 
356 	struct {
357 		__u8 y_gen_rate_gr;
358 		__u8 y_gen_rate_r;
359 		__u8 y_gen_rate_b;
360 		__u8 y_gen_rate_gb;
361 	} y_calc;
362 
363 	struct {
364 		__u32 reserved0:8;
365 		__u32 y1_nf:4;
366 		__u32 reserved1:4;
367 		__u32 y2_nf:4;
368 		__u32 reserved2:12;
369 	} nf;
370 } __packed;
371 
372 #define IPU3_UAPI_AF_MAX_SETS				24
373 #define IPU3_UAPI_AF_MD_ITEM_SIZE			4
374 #define IPU3_UAPI_AF_SPARE_FOR_BUBBLES \
375 	(IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \
376 	 IPU3_UAPI_AF_MD_ITEM_SIZE)
377 #define IPU3_UAPI_AF_Y_TABLE_SET_SIZE			128
378 #define IPU3_UAPI_AF_Y_TABLE_MAX_SIZE \
379 	(IPU3_UAPI_AF_MAX_SETS * \
380 	 (IPU3_UAPI_AF_Y_TABLE_SET_SIZE + IPU3_UAPI_AF_SPARE_FOR_BUBBLES) * \
381 	 IPU3_UAPI_MAX_STRIPES)
382 
383 /**
384  * struct ipu3_uapi_af_raw_buffer - AF meta data
385  *
386  * @y_table:	Each color component will be convolved separately with filter1
387  *		and filter2 and the result will be summed out and averaged for
388  *		each cell.
389  */
390 struct ipu3_uapi_af_raw_buffer {
391 	__u8 y_table[IPU3_UAPI_AF_Y_TABLE_MAX_SIZE] __attribute__((aligned(32)));
392 } __packed;
393 
394 /**
395  * struct ipu3_uapi_af_config_s - AF config
396  *
397  * @filter_config: AF uses Y1 and Y2 filters as configured in
398  *		   &ipu3_uapi_af_filter_config
399  * @padding: paddings
400  * @grid_cfg: See &ipu3_uapi_grid_config, default resolution 16x16. Use large
401  *	      grid size for large image and vice versa.
402  */
403 struct ipu3_uapi_af_config_s {
404 	struct ipu3_uapi_af_filter_config filter_config __attribute__((aligned(32)));
405 	__u8 padding[4];
406 	struct ipu3_uapi_grid_config grid_cfg __attribute__((aligned(32)));
407 } __packed;
408 
409 #define IPU3_UAPI_AWB_FR_MAX_SETS			24
410 #define IPU3_UAPI_AWB_FR_MD_ITEM_SIZE			8
411 #define IPU3_UAPI_AWB_FR_BAYER_TBL_SIZE			256
412 #define IPU3_UAPI_AWB_FR_SPARE_FOR_BUBBLES \
413 	(IPU3_UAPI_MAX_BUBBLE_SIZE * IPU3_UAPI_MAX_STRIPES * \
414 	 IPU3_UAPI_AWB_FR_MD_ITEM_SIZE)
415 #define IPU3_UAPI_AWB_FR_BAYER_TABLE_MAX_SIZE \
416 	(IPU3_UAPI_AWB_FR_MAX_SETS * \
417 	(IPU3_UAPI_AWB_FR_BAYER_TBL_SIZE + \
418 	 IPU3_UAPI_AWB_FR_SPARE_FOR_BUBBLES) * IPU3_UAPI_MAX_STRIPES)
419 
420 /**
421  * struct ipu3_uapi_awb_fr_meta_data - AWB filter response meta data
422  *
423  * @meta_data: Statistics output on the grid after convolving with 1D filter.
424  */
425 struct ipu3_uapi_awb_fr_raw_buffer {
426 	__u8 meta_data[IPU3_UAPI_AWB_FR_BAYER_TABLE_MAX_SIZE]
427 		__attribute__((aligned(32)));
428 } __packed;
429 
430 /**
431  * struct ipu3_uapi_awb_fr_config_s - AWB filter response config
432  *
433  * @grid_cfg:	grid config, default 16x16.
434  * @bayer_coeff:	1D Filter 1x11 center symmetry/anti-symmetry.
435  *			coefficients defaults { 0, 0, 0, 0, 0, 128 }.
436  *			Applied on whole image for each Bayer channel separately
437  *			by a weighted sum of its 11x1 neighbors.
438  * @reserved1:	reserved
439  * @bayer_sign:	sign of filter coefficients, default 0.
440  * @bayer_nf:	normalization factor for the convolution coeffs, to make sure
441  *		total memory needed is within pre-determined range.
442  *		NF should be the log2 of the sum of the abs values of the
443  *		filter coeffs, range [7, 14], default 7.
444  * @reserved2:	reserved
445  */
446 struct ipu3_uapi_awb_fr_config_s {
447 	struct ipu3_uapi_grid_config grid_cfg;
448 	__u8 bayer_coeff[6];
449 	__u16 reserved1;
450 	__u32 bayer_sign;
451 	__u8 bayer_nf;
452 	__u8 reserved2[7];
453 } __packed;
454 
455 /**
456  * struct ipu3_uapi_4a_config - 4A config
457  *
458  * @awb_config: &ipu3_uapi_awb_config_s, default resolution 16x16
459  * @ae_grd_config: auto exposure statistics &ipu3_uapi_ae_grid_config
460  * @padding: paddings
461  * @af_config: auto focus config &ipu3_uapi_af_config_s
462  * @awb_fr_config: &ipu3_uapi_awb_fr_config_s, default resolution 16x16
463  */
464 struct ipu3_uapi_4a_config {
465 	struct ipu3_uapi_awb_config_s awb_config __attribute__((aligned(32)));
466 	struct ipu3_uapi_ae_grid_config ae_grd_config;
467 	__u8 padding[20];
468 	struct ipu3_uapi_af_config_s af_config;
469 	struct ipu3_uapi_awb_fr_config_s awb_fr_config
470 		__attribute__((aligned(32)));
471 } __packed;
472 
473 /**
474  * struct ipu3_uapi_bubble_info - Bubble info for host side debugging
475  *
476  * @num_of_stripes: A single frame is divided into several parts called stripes
477  *		    due to limitation on line buffer memory.
478  *		    The separation between the stripes is vertical. Each such
479  *		    stripe is processed as a single frame by the ISP pipe.
480  * @padding: padding bytes.
481  * @num_sets: number of sets.
482  * @padding1: padding bytes.
483  * @size_of_set: set size.
484  * @padding2: padding bytes.
485  * @bubble_size: is the amount of padding in the bubble expressed in "sets".
486  * @padding3: padding bytes.
487  */
488 struct ipu3_uapi_bubble_info {
489 	__u32 num_of_stripes __attribute__((aligned(32)));
490 	__u8 padding[28];
491 	__u32 num_sets;
492 	__u8 padding1[28];
493 	__u32 size_of_set;
494 	__u8 padding2[28];
495 	__u32 bubble_size;
496 	__u8 padding3[28];
497 } __packed;
498 
499 /*
500  * struct ipu3_uapi_stats_3a_bubble_info_per_stripe
501  */
502 struct ipu3_uapi_stats_3a_bubble_info_per_stripe {
503 	struct ipu3_uapi_bubble_info awb[IPU3_UAPI_MAX_STRIPES];
504 	struct ipu3_uapi_bubble_info af[IPU3_UAPI_MAX_STRIPES];
505 	struct ipu3_uapi_bubble_info awb_fr[IPU3_UAPI_MAX_STRIPES];
506 } __packed;
507 
508 /**
509  * struct ipu3_uapi_ff_status - Enable bits for each 3A fixed function
510  *
511  * @awb_en: auto white balance enable
512  * @padding: padding config
513  * @ae_en: auto exposure enable
514  * @padding1: padding config
515  * @af_en: auto focus enable
516  * @padding2: padding config
517  * @awb_fr_en: awb filter response enable bit
518  * @padding3: padding config
519  */
520 struct ipu3_uapi_ff_status {
521 	__u32 awb_en __attribute__((aligned(32)));
522 	__u8 padding[28];
523 	__u32 ae_en;
524 	__u8 padding1[28];
525 	__u32 af_en;
526 	__u8 padding2[28];
527 	__u32 awb_fr_en;
528 	__u8 padding3[28];
529 } __packed;
530 
531 /**
532  * struct ipu3_uapi_stats_3a - 3A statistics
533  *
534  * @awb_raw_buffer: auto white balance meta data &ipu3_uapi_awb_raw_buffer
535  * @ae_raw_buffer: auto exposure raw data &ipu3_uapi_ae_raw_buffer_aligned
536  * @af_raw_buffer: &ipu3_uapi_af_raw_buffer for auto focus meta data
537  * @awb_fr_raw_buffer: value as specified by &ipu3_uapi_awb_fr_raw_buffer
538  * @stats_4a_config: 4a statistics config as defined by &ipu3_uapi_4a_config.
539  * @ae_join_buffers: 1 to use ae_raw_buffer.
540  * @padding: padding config
541  * @stats_3a_bubble_per_stripe: a &ipu3_uapi_stats_3a_bubble_info_per_stripe
542  * @stats_3a_status: 3a statistics status set in &ipu3_uapi_ff_status
543  */
544 struct ipu3_uapi_stats_3a {
545 	struct ipu3_uapi_awb_raw_buffer awb_raw_buffer;
546 	struct ipu3_uapi_ae_raw_buffer_aligned
547 			ae_raw_buffer[IPU3_UAPI_MAX_STRIPES];
548 	struct ipu3_uapi_af_raw_buffer af_raw_buffer;
549 	struct ipu3_uapi_awb_fr_raw_buffer awb_fr_raw_buffer;
550 	struct ipu3_uapi_4a_config stats_4a_config;
551 	__u32 ae_join_buffers;
552 	__u8 padding[28];
553 	struct ipu3_uapi_stats_3a_bubble_info_per_stripe
554 			stats_3a_bubble_per_stripe;
555 	struct ipu3_uapi_ff_status stats_3a_status;
556 } __packed;
557 
558 /******************* ipu3_uapi_acc_param *******************/
559 
560 #define IPU3_UAPI_ISP_VEC_ELEMS				64
561 #define IPU3_UAPI_ISP_TNR3_VMEM_LEN			9
562 
563 #define IPU3_UAPI_BNR_LUT_SIZE				32
564 
565 /* number of elements in gamma correction LUT */
566 #define IPU3_UAPI_GAMMA_CORR_LUT_ENTRIES		256
567 
568 /* largest grid is 73x56, for grid_height_per_slice of 2, 73x2 = 146 */
569 #define IPU3_UAPI_SHD_MAX_CELLS_PER_SET			146
570 #define IPU3_UAPI_SHD_MAX_CFG_SETS			28
571 /* Normalization shift aka nf */
572 #define IPU3_UAPI_SHD_BLGR_NF_SHIFT			13
573 #define IPU3_UAPI_SHD_BLGR_NF_MASK			7
574 
575 #define IPU3_UAPI_YUVP2_TCC_MACC_TABLE_ELEMENTS		16
576 #define IPU3_UAPI_YUVP2_TCC_INV_Y_LUT_ELEMENTS		14
577 #define IPU3_UAPI_YUVP2_TCC_GAIN_PCWL_LUT_ELEMENTS	258
578 #define IPU3_UAPI_YUVP2_TCC_R_SQR_LUT_ELEMENTS		24
579 
580 #define IPU3_UAPI_ANR_LUT_SIZE				26
581 #define IPU3_UAPI_ANR_PYRAMID_SIZE			22
582 
583 #define IPU3_UAPI_LIN_LUT_SIZE				64
584 
585 /* Bayer Noise Reduction related structs */
586 
587 /**
588  * struct ipu3_uapi_bnr_static_config_wb_gains_config - White balance gains
589  *
590  * @gr:	white balance gain for Gr channel.
591  * @r:	white balance gain for R channel.
592  * @b:	white balance gain for B channel.
593  * @gb:	white balance gain for Gb channel.
594  *
595  * Precision u3.13, range [0, 8). White balance correction is done by applying
596  * a multiplicative gain to each color channels prior to BNR.
597  */
598 struct ipu3_uapi_bnr_static_config_wb_gains_config {
599 	__u16 gr;
600 	__u16 r;
601 	__u16 b;
602 	__u16 gb;
603 } __packed;
604 
605 /**
606  * struct ipu3_uapi_bnr_static_config_wb_gains_thr_config - Threshold config
607  *
608  * @gr:	white balance threshold gain for Gr channel.
609  * @r:	white balance threshold gain for R channel.
610  * @b:	white balance threshold gain for B channel.
611  * @gb:	white balance threshold gain for Gb channel.
612  *
613  * Defines the threshold that specifies how different a defect pixel can be from
614  * its neighbors.(used by dynamic defect pixel correction sub block)
615  * Precision u4.4 range [0, 8].
616  */
617 struct ipu3_uapi_bnr_static_config_wb_gains_thr_config {
618 	__u8 gr;
619 	__u8 r;
620 	__u8 b;
621 	__u8 gb;
622 } __packed;
623 
624 /**
625  * struct ipu3_uapi_bnr_static_config_thr_coeffs_config - Noise model
626  *				coefficients that controls noise threshold
627  *
628  * @cf:	Free coefficient for threshold calculation, range [0, 8191], default 0.
629  * @reserved0:	reserved
630  * @cg:	Gain coefficient for threshold calculation, [0, 31], default 8.
631  * @ci:	Intensity coefficient for threshold calculation. range [0, 0x1f]
632  *	default 6.
633  * 	format: u3.2 (3 most significant bits represent whole number,
634  *	2 least significant bits represent the fractional part
635  *	with each count representing 0.25)
636  *	e.g. 6 in binary format is 00110, that translates to 1.5
637  * @reserved1:	reserved
638  * @r_nf:	Normalization shift value for r^2 calculation, range [12, 20]
639  *		where r is a radius of pixel [row, col] from centor of sensor.
640  *		default 14.
641  *
642  * Threshold used to distinguish between noise and details.
643  */
644 struct ipu3_uapi_bnr_static_config_thr_coeffs_config {
645 	__u32 cf:13;
646 	__u32 reserved0:3;
647 	__u32 cg:5;
648 	__u32 ci:5;
649 	__u32 reserved1:1;
650 	__u32 r_nf:5;
651 } __packed;
652 
653 /**
654  * struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config - Shading config
655  *
656  * @gr:	Coefficient defines lens shading gain approximation for gr channel
657  * @r:	Coefficient defines lens shading gain approximation for r channel
658  * @b:	Coefficient defines lens shading gain approximation for b channel
659  * @gb:	Coefficient defines lens shading gain approximation for gb channel
660  *
661  * Parameters for noise model (NM) adaptation of BNR due to shading correction.
662  * All above have precision of u3.3, default to 0.
663  */
664 struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config {
665 	__u8 gr;
666 	__u8 r;
667 	__u8 b;
668 	__u8 gb;
669 } __packed;
670 
671 /**
672  * struct ipu3_uapi_bnr_static_config_opt_center_config - Optical center config
673  *
674  * @x_reset:	Reset value of X (col start - X center). Precision s12.0.
675  * @reserved0:	reserved
676  * @y_reset:	Reset value of Y (row start - Y center). Precision s12.0.
677  * @reserved2:	reserved
678  *
679  * Distance from corner to optical center for NM adaptation due to shading
680  * correction (should be calculated based on shading tables)
681  */
682 struct ipu3_uapi_bnr_static_config_opt_center_config {
683 	__s32 x_reset:13;
684 	__u32 reserved0:3;
685 	__s32 y_reset:13;
686 	__u32 reserved2:3;
687 } __packed;
688 
689 /**
690  * struct ipu3_uapi_bnr_static_config_lut_config - BNR square root lookup table
691  *
692  * @values: pre-calculated values of square root function.
693  *
694  * LUT implementation of square root operation.
695  */
696 struct ipu3_uapi_bnr_static_config_lut_config {
697 	__u8 values[IPU3_UAPI_BNR_LUT_SIZE];
698 } __packed;
699 
700 /**
701  * struct ipu3_uapi_bnr_static_config_bp_ctrl_config - Detect bad pixels (bp)
702  *
703  * @bp_thr_gain:	Defines the threshold that specifies how different a
704  *			defect pixel can be from its neighbors. Threshold is
705  *			dependent on de-noise threshold calculated by algorithm.
706  *			Range [4, 31], default 4.
707  * @reserved0:	reserved
708  * @defect_mode:	Mode of addressed defect pixels,
709  *			0 - single defect pixel is expected,
710  *			1 - 2 adjacent defect pixels are expected, default 1.
711  * @bp_gain:	Defines how 2nd derivation that passes through a defect pixel
712  *		is different from 2nd derivations that pass through
713  *		neighbor pixels. u4.2, range [0, 256], default 8.
714  * @reserved1:	reserved
715  * @w0_coeff:	Blending coefficient of defect pixel correction.
716  *		Precision u4, range [0, 8], default 8.
717  * @reserved2:	reserved
718  * @w1_coeff:	Enable influence of incorrect defect pixel correction to be
719  *		avoided. Precision u4, range [1, 8], default 8.
720  * @reserved3:	reserved
721  */
722 struct ipu3_uapi_bnr_static_config_bp_ctrl_config {
723 	__u32 bp_thr_gain:5;
724 	__u32 reserved0:2;
725 	__u32 defect_mode:1;
726 	__u32 bp_gain:6;
727 	__u32 reserved1:18;
728 	__u32 w0_coeff:4;
729 	__u32 reserved2:4;
730 	__u32 w1_coeff:4;
731 	__u32 reserved3:20;
732 } __packed;
733 
734 /**
735  * struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config - Denoising config
736  *
737  * @alpha:	Weight of central element of smoothing filter.
738  * @beta:	Weight of peripheral elements of smoothing filter, default 4.
739  * @gamma:	Weight of diagonal elements of smoothing filter, default 4.
740  *
741  * beta and gamma parameter define the strength of the noise removal filter.
742  *		All above has precision u0.4, range [0, 0xf]
743  *		format: u0.4 (no / zero bits represent whole number,
744  *		4 bits represent the fractional part
745  *		with each count representing 0.0625)
746  *		e.g. 0xf translates to 0.0625x15 = 0.9375
747  *
748  * @reserved0:	reserved
749  * @max_inf:	Maximum increase of peripheral or diagonal element influence
750  *		relative to the pre-defined value range: [0x5, 0xa]
751  * @reserved1:	reserved
752  * @gd_enable:	Green disparity enable control, 0 - disable, 1 - enable.
753  * @bpc_enable:	Bad pixel correction enable control, 0 - disable, 1 - enable.
754  * @bnr_enable:	Bayer noise removal enable control, 0 - disable, 1 - enable.
755  * @ff_enable:	Fixed function enable, 0 - disable, 1 - enable.
756  * @reserved2:	reserved
757  */
758 struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config {
759 	__u32 alpha:4;
760 	__u32 beta:4;
761 	__u32 gamma:4;
762 	__u32 reserved0:4;
763 	__u32 max_inf:4;
764 	__u32 reserved1:7;
765 	__u32 gd_enable:1;
766 	__u32 bpc_enable:1;
767 	__u32 bnr_enable:1;
768 	__u32 ff_enable:1;
769 	__u32 reserved2:1;
770 } __packed;
771 
772 /**
773  * struct ipu3_uapi_bnr_static_config_opt_center_sqr_config - BNR optical square
774  *
775  * @x_sqr_reset: Reset value of X^2.
776  * @y_sqr_reset: Reset value of Y^2.
777  *
778  * Please note:
779  *
780  *    #. X and Y ref to
781  *       &ipu3_uapi_bnr_static_config_opt_center_config
782  *    #. Both structs are used in threshold formula to calculate r^2, where r
783  *       is a radius of pixel [row, col] from centor of sensor.
784  */
785 struct ipu3_uapi_bnr_static_config_opt_center_sqr_config {
786 	__u32 x_sqr_reset;
787 	__u32 y_sqr_reset;
788 } __packed;
789 
790 /**
791  * struct ipu3_uapi_bnr_static_config - BNR static config
792  *
793  * @wb_gains:	white balance gains &ipu3_uapi_bnr_static_config_wb_gains_config
794  * @wb_gains_thr:	white balance gains threshold as defined by
795  *			&ipu3_uapi_bnr_static_config_wb_gains_thr_config
796  * @thr_coeffs:	coefficients of threshold
797  *		&ipu3_uapi_bnr_static_config_thr_coeffs_config
798  * @thr_ctrl_shd:	control of shading threshold
799  *			&ipu3_uapi_bnr_static_config_thr_ctrl_shd_config
800  * @opt_center:	optical center &ipu3_uapi_bnr_static_config_opt_center_config
801  *
802  * Above parameters and opt_center_sqr are used for white balance and shading.
803  *
804  * @lut:	lookup table &ipu3_uapi_bnr_static_config_lut_config
805  * @bp_ctrl:	detect and remove bad pixels as defined in struct
806  *		&ipu3_uapi_bnr_static_config_bp_ctrl_config
807  * @dn_detect_ctrl:	detect and remove noise.
808  *			&ipu3_uapi_bnr_static_config_dn_detect_ctrl_config
809  * @column_size:	The number of pixels in column.
810  * @opt_center_sqr:	Reset value of r^2 to optical center, see
811  *			&ipu3_uapi_bnr_static_config_opt_center_sqr_config.
812  */
813 struct ipu3_uapi_bnr_static_config {
814 	struct ipu3_uapi_bnr_static_config_wb_gains_config wb_gains;
815 	struct ipu3_uapi_bnr_static_config_wb_gains_thr_config wb_gains_thr;
816 	struct ipu3_uapi_bnr_static_config_thr_coeffs_config thr_coeffs;
817 	struct ipu3_uapi_bnr_static_config_thr_ctrl_shd_config thr_ctrl_shd;
818 	struct ipu3_uapi_bnr_static_config_opt_center_config opt_center;
819 	struct ipu3_uapi_bnr_static_config_lut_config lut;
820 	struct ipu3_uapi_bnr_static_config_bp_ctrl_config bp_ctrl;
821 	struct ipu3_uapi_bnr_static_config_dn_detect_ctrl_config dn_detect_ctrl;
822 	__u32 column_size;
823 	struct ipu3_uapi_bnr_static_config_opt_center_sqr_config opt_center_sqr;
824 } __packed;
825 
826 /**
827  * struct ipu3_uapi_bnr_static_config_green_disparity - Correct green disparity
828  *
829  * @gd_red:	Shading gain coeff for gr disparity level in bright red region.
830  *		Precision u0.6, default 4(0.0625).
831  * @reserved0:	reserved
832  * @gd_green:	Shading gain coeff for gr disparity level in bright green
833  *		region. Precision u0.6, default 4(0.0625).
834  * @reserved1:	reserved
835  * @gd_blue:	Shading gain coeff for gr disparity level in bright blue region.
836  *		Precision u0.6, default 4(0.0625).
837  * @reserved2:	reserved
838  * @gd_black:	Maximal green disparity level in dark region (stronger disparity
839  *		assumed to be image detail). Precision u14, default 80.
840  * @reserved3:	reserved
841  * @gd_shading:	Change maximal green disparity level according to square
842  *		distance from image center.
843  * @reserved4:	reserved
844  * @gd_support:	Lower bound for the number of second green color pixels in
845  *		current pixel neighborhood with less than threshold difference
846  *		from it.
847  *
848  * The shading gain coeff of red, green, blue and black are used to calculate
849  * threshold given a pixel's color value and its coordinates in the image.
850  *
851  * @reserved5:	reserved
852  * @gd_clip:	Turn green disparity clip on/off, [0, 1], default 1.
853  * @gd_central_weight:	Central pixel weight in 9 pixels weighted sum.
854  */
855 struct ipu3_uapi_bnr_static_config_green_disparity {
856 	__u32 gd_red:6;
857 	__u32 reserved0:2;
858 	__u32 gd_green:6;
859 	__u32 reserved1:2;
860 	__u32 gd_blue:6;
861 	__u32 reserved2:10;
862 	__u32 gd_black:14;
863 	__u32 reserved3:2;
864 	__u32 gd_shading:7;
865 	__u32 reserved4:1;
866 	__u32 gd_support:2;
867 	__u32 reserved5:1;
868 	__u32 gd_clip:1;
869 	__u32 gd_central_weight:4;
870 } __packed;
871 
872 /**
873  * struct ipu3_uapi_dm_config - De-mosaic parameters
874  *
875  * @dm_en:	de-mosaic enable.
876  * @ch_ar_en:	Checker artifacts removal enable flag. Default 0.
877  * @fcc_en:	False color correction (FCC) enable flag. Default 0.
878  * @reserved0:	reserved
879  * @frame_width:	do not care
880  * @gamma_sc:	Sharpening coefficient (coefficient of 2-d derivation of
881  *		complementary color in Hamilton-Adams interpolation).
882  *		u5, range [0, 31], default 8.
883  * @reserved1:	reserved
884  * @lc_ctrl:	Parameter that controls weights of Chroma Homogeneity metric
885  *		in calculation of final homogeneity metric.
886  *		u5, range [0, 31], default 7.
887  * @reserved2:	reserved
888  * @cr_param1:	First parameter that defines Checker artifact removal
889  *		feature gain. Precision u5, range [0, 31], default 8.
890  * @reserved3:	reserved
891  * @cr_param2:	Second parameter that defines Checker artifact removal
892  *		feature gain. Precision u5, range [0, 31], default 8.
893  * @reserved4:	reserved
894  * @coring_param:	Defines power of false color correction operation.
895  *			low for preserving edge colors, high for preserving gray
896  *			edge artifacts.
897  *			Precision u1.4, range [0, 1.9375], default 4 (0.25).
898  * @reserved5:	reserved
899  *
900  * The demosaic fixed function block is responsible to covert Bayer(mosaiced)
901  * images into color images based on demosaicing algorithm.
902  */
903 struct ipu3_uapi_dm_config {
904 	__u32 dm_en:1;
905 	__u32 ch_ar_en:1;
906 	__u32 fcc_en:1;
907 	__u32 reserved0:13;
908 	__u32 frame_width:16;
909 
910 	__u32 gamma_sc:5;
911 	__u32 reserved1:3;
912 	__u32 lc_ctrl:5;
913 	__u32 reserved2:3;
914 	__u32 cr_param1:5;
915 	__u32 reserved3:3;
916 	__u32 cr_param2:5;
917 	__u32 reserved4:3;
918 
919 	__u32 coring_param:5;
920 	__u32 reserved5:27;
921 } __packed;
922 
923 /**
924  * struct ipu3_uapi_ccm_mat_config - Color correction matrix
925  *
926  * @coeff_m11: CCM 3x3 coefficient, range [-65536, 65535]
927  * @coeff_m12: CCM 3x3 coefficient, range [-8192, 8191]
928  * @coeff_m13: CCM 3x3 coefficient, range [-32768, 32767]
929  * @coeff_o_r: Bias 3x1 coefficient, range [-8191, 8181]
930  * @coeff_m21: CCM 3x3 coefficient, range [-32767, 32767]
931  * @coeff_m22: CCM 3x3 coefficient, range [-8192, 8191]
932  * @coeff_m23: CCM 3x3 coefficient, range [-32768, 32767]
933  * @coeff_o_g: Bias 3x1 coefficient, range [-8191, 8181]
934  * @coeff_m31: CCM 3x3 coefficient, range [-32768, 32767]
935  * @coeff_m32: CCM 3x3 coefficient, range [-8192, 8191]
936  * @coeff_m33: CCM 3x3 coefficient, range [-32768, 32767]
937  * @coeff_o_b: Bias 3x1 coefficient, range [-8191, 8181]
938  *
939  * Transform sensor specific color space to standard sRGB by applying 3x3 matrix
940  * and adding a bias vector O. The transformation is basically a rotation and
941  * translation in the 3-dimensional color spaces. Here are the defaults:
942  *
943  *	9775,	-2671,	1087,	0
944  *	-1071,	8303,	815,	0
945  *	-23,	-7887,	16103,	0
946  */
947 struct ipu3_uapi_ccm_mat_config {
948 	__s16 coeff_m11;
949 	__s16 coeff_m12;
950 	__s16 coeff_m13;
951 	__s16 coeff_o_r;
952 	__s16 coeff_m21;
953 	__s16 coeff_m22;
954 	__s16 coeff_m23;
955 	__s16 coeff_o_g;
956 	__s16 coeff_m31;
957 	__s16 coeff_m32;
958 	__s16 coeff_m33;
959 	__s16 coeff_o_b;
960 } __packed;
961 
962 /**
963  * struct ipu3_uapi_gamma_corr_ctrl - Gamma correction
964  *
965  * @enable: gamma correction enable.
966  * @reserved: reserved
967  */
968 struct ipu3_uapi_gamma_corr_ctrl {
969 	__u32 enable:1;
970 	__u32 reserved:31;
971 } __packed;
972 
973 /**
974  * struct ipu3_uapi_gamma_corr_lut - Per-pixel tone mapping implemented as LUT.
975  *
976  * @lut:	256 tabulated values of the gamma function. LUT[1].. LUT[256]
977  *		format u13.0, range [0, 8191].
978  *
979  * The tone mapping operation is done by a Piece wise linear graph
980  * that is implemented as a lookup table(LUT). The pixel component input
981  * intensity is the X-axis of the graph which is the table entry.
982  */
983 struct ipu3_uapi_gamma_corr_lut {
984 	__u16 lut[IPU3_UAPI_GAMMA_CORR_LUT_ENTRIES];
985 } __packed;
986 
987 /**
988  * struct ipu3_uapi_gamma_config - Gamma config
989  *
990  * @gc_ctrl: control of gamma correction &ipu3_uapi_gamma_corr_ctrl
991  * @gc_lut: lookup table of gamma correction &ipu3_uapi_gamma_corr_lut
992  */
993 struct ipu3_uapi_gamma_config {
994 	struct ipu3_uapi_gamma_corr_ctrl gc_ctrl __attribute__((aligned(32)));
995 	struct ipu3_uapi_gamma_corr_lut gc_lut __attribute__((aligned(32)));
996 } __packed;
997 
998 /**
999  * struct ipu3_uapi_csc_mat_config - Color space conversion matrix config
1000  *
1001  * @coeff_c11:	Conversion matrix value, format s0.14, range [-16384, 16383].
1002  * @coeff_c12:	Conversion matrix value, format s0.14, range [-8192, 8191].
1003  * @coeff_c13:	Conversion matrix value, format s0.14, range [-16384, 16383].
1004  * @coeff_b1:	Bias 3x1 coefficient, s13.0 range [-8192, 8191].
1005  * @coeff_c21:	Conversion matrix value, format s0.14, range [-16384, 16383].
1006  * @coeff_c22:	Conversion matrix value, format s0.14, range [-8192, 8191].
1007  * @coeff_c23:	Conversion matrix value, format s0.14, range [-16384, 16383].
1008  * @coeff_b2:	Bias 3x1 coefficient, s13.0 range [-8192, 8191].
1009  * @coeff_c31:	Conversion matrix value, format s0.14, range [-16384, 16383].
1010  * @coeff_c32:	Conversion matrix value, format s0.14, range [-8192, 8191].
1011  * @coeff_c33:	Conversion matrix value, format s0.14, range [-16384, 16383].
1012  * @coeff_b3:	Bias 3x1 coefficient, s13.0 range [-8192, 8191].
1013  *
1014  * To transform each pixel from RGB to YUV (Y - brightness/luminance,
1015  * UV -chroma) by applying the pixel's values by a 3x3 matrix and adding an
1016  * optional bias 3x1 vector. Here are the default values for the matrix:
1017  *
1018  *	4898,   9617,  1867, 0,
1019  *	-2410, -4732,  7143, 0,
1020  *	10076, -8437, -1638, 0,
1021  *
1022  *	(i.e. for real number 0.299, 0.299 * 2^14 becomes 4898.)
1023  */
1024 struct ipu3_uapi_csc_mat_config {
1025 	__s16 coeff_c11;
1026 	__s16 coeff_c12;
1027 	__s16 coeff_c13;
1028 	__s16 coeff_b1;
1029 	__s16 coeff_c21;
1030 	__s16 coeff_c22;
1031 	__s16 coeff_c23;
1032 	__s16 coeff_b2;
1033 	__s16 coeff_c31;
1034 	__s16 coeff_c32;
1035 	__s16 coeff_c33;
1036 	__s16 coeff_b3;
1037 } __packed;
1038 
1039 /**
1040  * struct ipu3_uapi_cds_params - Chroma down-scaling
1041  *
1042  * @ds_c00:	range [0, 3]
1043  * @ds_c01:	range [0, 3]
1044  * @ds_c02:	range [0, 3]
1045  * @ds_c03:	range [0, 3]
1046  * @ds_c10:	range [0, 3]
1047  * @ds_c11:	range [0, 3]
1048  * @ds_c12:	range [0, 3]
1049  * @ds_c13:	range [0, 3]
1050  *
1051  * In case user does not provide, above 4x2 filter will use following defaults:
1052  *	1, 3, 3, 1,
1053  *	1, 3, 3, 1,
1054  *
1055  * @ds_nf:	Normalization factor for Chroma output downscaling filter,
1056  *		range 0,4, default 2.
1057  * @reserved0:	reserved
1058  * @csc_en:	Color space conversion enable
1059  * @uv_bin_output:	0: output YUV 4.2.0, 1: output YUV 4.2.2(default).
1060  * @reserved1:	reserved
1061  */
1062 struct ipu3_uapi_cds_params {
1063 	__u32 ds_c00:2;
1064 	__u32 ds_c01:2;
1065 	__u32 ds_c02:2;
1066 	__u32 ds_c03:2;
1067 	__u32 ds_c10:2;
1068 	__u32 ds_c11:2;
1069 	__u32 ds_c12:2;
1070 	__u32 ds_c13:2;
1071 	__u32 ds_nf:5;
1072 	__u32 reserved0:3;
1073 	__u32 csc_en:1;
1074 	__u32 uv_bin_output:1;
1075 	__u32 reserved1:6;
1076 } __packed;
1077 
1078 /**
1079  * struct ipu3_uapi_shd_grid_config - Bayer shading(darkening) correction
1080  *
1081  * @width:	Grid horizontal dimensions, u8, [8, 128], default 73
1082  * @height:	Grid vertical dimensions, u8, [8, 128], default 56
1083  * @block_width_log2:	Log2 of the width of the grid cell in pixel count
1084  *			u4, [0, 15], default value 5.
1085  * @reserved0:	reserved
1086  * @block_height_log2:	Log2 of the height of the grid cell in pixel count
1087  *			u4, [0, 15], default value 6.
1088  * @reserved1:	reserved
1089  * @grid_height_per_slice:	SHD_MAX_CELLS_PER_SET/width.
1090  *				(with SHD_MAX_CELLS_PER_SET = 146).
1091  * @x_start:	X value of top left corner of sensor relative to ROI
1092  *		s13, [-4096, 0], default 0, only negative values.
1093  * @y_start:	Y value of top left corner of sensor relative to ROI
1094  *		s13, [-4096, 0], default 0, only negative values.
1095  */
1096 struct ipu3_uapi_shd_grid_config {
1097 	/* reg 0 */
1098 	__u8 width;
1099 	__u8 height;
1100 	__u8 block_width_log2:3;
1101 	__u8 reserved0:1;
1102 	__u8 block_height_log2:3;
1103 	__u8 reserved1:1;
1104 	__u8 grid_height_per_slice;
1105 	/* reg 1 */
1106 	__s16 x_start;
1107 	__s16 y_start;
1108 } __packed;
1109 
1110 /**
1111  * struct ipu3_uapi_shd_general_config - Shading general config
1112  *
1113  * @init_set_vrt_offst_ul: set vertical offset,
1114  *			y_start >> block_height_log2 % grid_height_per_slice.
1115  * @shd_enable: shading enable.
1116  * @gain_factor: Gain factor. Shift calculated anti shading value. Precision u2.
1117  *		0x0 - gain factor [1, 5], means no shift interpolated value.
1118  *		0x1 - gain factor [1, 9], means shift interpolated by 1.
1119  *		0x2 - gain factor [1, 17], means shift interpolated by 2.
1120  * @reserved: reserved
1121  *
1122  * Correction is performed by multiplying a gain factor for each of the 4 Bayer
1123  * channels as a function of the pixel location in the sensor.
1124  */
1125 struct ipu3_uapi_shd_general_config {
1126 	__u32 init_set_vrt_offst_ul:8;
1127 	__u32 shd_enable:1;
1128 	__u32 gain_factor:2;
1129 	__u32 reserved:21;
1130 } __packed;
1131 
1132 /**
1133  * struct ipu3_uapi_shd_black_level_config - Black level correction
1134  *
1135  * @bl_r:	Bios values for green red. s11 range [-2048, 2047].
1136  * @bl_gr:	Bios values for green blue. s11 range [-2048, 2047].
1137  * @bl_gb:	Bios values for red. s11 range [-2048, 2047].
1138  * @bl_b:	Bios values for blue. s11 range [-2048, 2047].
1139  */
1140 struct ipu3_uapi_shd_black_level_config {
1141 	__s16 bl_r;
1142 	__s16 bl_gr;
1143 	__s16 bl_gb;
1144 	__s16 bl_b;
1145 } __packed;
1146 
1147 /**
1148  * struct ipu3_uapi_shd_config_static - Shading config static
1149  *
1150  * @grid:	shading grid config &ipu3_uapi_shd_grid_config
1151  * @general:	shading general config &ipu3_uapi_shd_general_config
1152  * @black_level:	black level config for shading correction as defined by
1153  *			&ipu3_uapi_shd_black_level_config
1154  */
1155 struct ipu3_uapi_shd_config_static {
1156 	struct ipu3_uapi_shd_grid_config grid;
1157 	struct ipu3_uapi_shd_general_config general;
1158 	struct ipu3_uapi_shd_black_level_config black_level;
1159 } __packed;
1160 
1161 /**
1162  * struct ipu3_uapi_shd_lut - Shading gain factor lookup table.
1163  *
1164  * @sets: array
1165  * @sets.r_and_gr: Red and GreenR Lookup table.
1166  * @sets.r_and_gr.r: Red shading factor.
1167  * @sets.r_and_gr.gr: GreenR shading factor.
1168  * @sets.reserved1: reserved
1169  * @sets.gb_and_b: GreenB and Blue Lookup table.
1170  * @sets.gb_and_b.gb: GreenB shading factor.
1171  * @sets.gb_and_b.b: Blue shading factor.
1172  * @sets.reserved2: reserved
1173  *
1174  * Map to shading correction LUT register set.
1175  */
1176 struct ipu3_uapi_shd_lut {
1177 	struct {
1178 		struct {
1179 			__u16 r;
1180 			__u16 gr;
1181 		} r_and_gr[IPU3_UAPI_SHD_MAX_CELLS_PER_SET];
1182 		__u8 reserved1[24];
1183 		struct {
1184 			__u16 gb;
1185 			__u16 b;
1186 		} gb_and_b[IPU3_UAPI_SHD_MAX_CELLS_PER_SET];
1187 		__u8 reserved2[24];
1188 	} sets[IPU3_UAPI_SHD_MAX_CFG_SETS];
1189 } __packed;
1190 
1191 /**
1192  * struct ipu3_uapi_shd_config - Shading config
1193  *
1194  * @shd:	shading static config, see &ipu3_uapi_shd_config_static
1195  * @shd_lut:	shading lookup table &ipu3_uapi_shd_lut
1196  */
1197 struct ipu3_uapi_shd_config {
1198 	struct ipu3_uapi_shd_config_static shd __attribute__((aligned(32)));
1199 	struct ipu3_uapi_shd_lut shd_lut __attribute__((aligned(32)));
1200 } __packed;
1201 
1202 /* Image Enhancement Filter directed */
1203 
1204 /**
1205  * struct ipu3_uapi_iefd_cux2 - IEFd Config Unit 2 parameters
1206  *
1207  * @x0:		X0 point of Config Unit, u9.0, default 0.
1208  * @x1:		X1 point of Config Unit, u9.0, default 0.
1209  * @a01:	Slope A of Config Unit, s4.4, default 0.
1210  * @b01:	Slope B, always 0.
1211  *
1212  * Calculate weight for blending directed and non-directed denoise elements
1213  *
1214  * Note:
1215  * Each instance of Config Unit needs X coordinate of n points and
1216  * slope A factor between points calculated by driver based on calibration
1217  * parameters.
1218  *
1219  * All CU inputs are unsigned, they will be converted to signed when written
1220  * to register, i.e. a01 will be written to 9 bit register in s4.4 format.
1221  * The data precision s4.4 means 4 bits for integer parts and 4 bits for the
1222  * fractional part, the first bit indicates positive or negative value.
1223  * For userspace software (commonly the imaging library), the computation for
1224  * the CU slope values should be based on the slope resolution 1/16 (binary
1225  * 0.0001 - the minimal interval value), the slope value range is [-256, +255].
1226  * This applies to &ipu3_uapi_iefd_cux6_ed, &ipu3_uapi_iefd_cux2_1,
1227  * &ipu3_uapi_iefd_cux2_1, &ipu3_uapi_iefd_cux4 and &ipu3_uapi_iefd_cux6_rad.
1228  */
1229 struct ipu3_uapi_iefd_cux2 {
1230 	__u32 x0:9;
1231 	__u32 x1:9;
1232 	__u32 a01:9;
1233 	__u32 b01:5;
1234 } __packed;
1235 
1236 /**
1237  * struct ipu3_uapi_iefd_cux6_ed - Calculate power of non-directed sharpening
1238  *				   element, Config Unit 6 for edge detail (ED).
1239  *
1240  * @x0:	X coordinate of point 0, u9.0, default 0.
1241  * @x1:	X coordinate of point 1, u9.0, default 0.
1242  * @x2:	X coordinate of point 2, u9.0, default 0.
1243  * @reserved0:	reserved
1244  * @x3:	X coordinate of point 3, u9.0, default 0.
1245  * @x4:	X coordinate of point 4, u9.0, default 0.
1246  * @x5:	X coordinate of point 5, u9.0, default 0.
1247  * @reserved1:	reserved
1248  * @a01:	slope A points 01, s4.4, default 0.
1249  * @a12:	slope A points 12, s4.4, default 0.
1250  * @a23:	slope A points 23, s4.4, default 0.
1251  * @reserved2:	reserved
1252  * @a34:	slope A points 34, s4.4, default 0.
1253  * @a45:	slope A points 45, s4.4, default 0.
1254  * @reserved3:	reserved
1255  * @b01:	slope B points 01, s4.4, default 0.
1256  * @b12:	slope B points 12, s4.4, default 0.
1257  * @b23:	slope B points 23, s4.4, default 0.
1258  * @reserved4:	reserved
1259  * @b34:	slope B points 34, s4.4, default 0.
1260  * @b45:	slope B points 45, s4.4, default 0.
1261  * @reserved5:	reserved.
1262  */
1263 struct ipu3_uapi_iefd_cux6_ed {
1264 	__u32 x0:9;
1265 	__u32 x1:9;
1266 	__u32 x2:9;
1267 	__u32 reserved0:5;
1268 
1269 	__u32 x3:9;
1270 	__u32 x4:9;
1271 	__u32 x5:9;
1272 	__u32 reserved1:5;
1273 
1274 	__u32 a01:9;
1275 	__u32 a12:9;
1276 	__u32 a23:9;
1277 	__u32 reserved2:5;
1278 
1279 	__u32 a34:9;
1280 	__u32 a45:9;
1281 	__u32 reserved3:14;
1282 
1283 	__u32 b01:9;
1284 	__u32 b12:9;
1285 	__u32 b23:9;
1286 	__u32 reserved4:5;
1287 
1288 	__u32 b34:9;
1289 	__u32 b45:9;
1290 	__u32 reserved5:14;
1291 } __packed;
1292 
1293 /**
1294  * struct ipu3_uapi_iefd_cux2_1 - Calculate power of non-directed denoise
1295  *				  element apply.
1296  * @x0: X0 point of Config Unit, u9.0, default 0.
1297  * @x1: X1 point of Config Unit, u9.0, default 0.
1298  * @a01: Slope A of Config Unit, s4.4, default 0.
1299  * @reserved1: reserved
1300  * @b01: offset B0 of Config Unit, u7.0, default 0.
1301  * @reserved2: reserved
1302  */
1303 struct ipu3_uapi_iefd_cux2_1 {
1304 	__u32 x0:9;
1305 	__u32 x1:9;
1306 	__u32 a01:9;
1307 	__u32 reserved1:5;
1308 
1309 	__u32 b01:8;
1310 	__u32 reserved2:24;
1311 } __packed;
1312 
1313 /**
1314  * struct ipu3_uapi_iefd_cux4 - Calculate power of non-directed sharpening
1315  *				element.
1316  *
1317  * @x0:	X0 point of Config Unit, u9.0, default 0.
1318  * @x1:	X1 point of Config Unit, u9.0, default 0.
1319  * @x2:	X2 point of Config Unit, u9.0, default 0.
1320  * @reserved0:	reserved
1321  * @x3:	X3 point of Config Unit, u9.0, default 0.
1322  * @a01:	Slope A0 of Config Unit, s4.4, default 0.
1323  * @a12:	Slope A1 of Config Unit, s4.4, default 0.
1324  * @reserved1:	reserved
1325  * @a23:	Slope A2 of Config Unit, s4.4, default 0.
1326  * @b01:	Offset B0 of Config Unit, s7.0, default 0.
1327  * @b12:	Offset B1 of Config Unit, s7.0, default 0.
1328  * @reserved2:	reserved
1329  * @b23:	Offset B2 of Config Unit, s7.0, default 0.
1330  * @reserved3: reserved
1331  */
1332 struct ipu3_uapi_iefd_cux4 {
1333 	__u32 x0:9;
1334 	__u32 x1:9;
1335 	__u32 x2:9;
1336 	__u32 reserved0:5;
1337 
1338 	__u32 x3:9;
1339 	__u32 a01:9;
1340 	__u32 a12:9;
1341 	__u32 reserved1:5;
1342 
1343 	__u32 a23:9;
1344 	__u32 b01:8;
1345 	__u32 b12:8;
1346 	__u32 reserved2:7;
1347 
1348 	__u32 b23:8;
1349 	__u32 reserved3:24;
1350 } __packed;
1351 
1352 /**
1353  * struct ipu3_uapi_iefd_cux6_rad - Radial Config Unit (CU)
1354  *
1355  * @x0:	x0 points of Config Unit radial, u8.0
1356  * @x1:	x1 points of Config Unit radial, u8.0
1357  * @x2:	x2 points of Config Unit radial, u8.0
1358  * @x3:	x3 points of Config Unit radial, u8.0
1359  * @x4:	x4 points of Config Unit radial, u8.0
1360  * @x5:	x5 points of Config Unit radial, u8.0
1361  * @reserved1: reserved
1362  * @a01:	Slope A of Config Unit radial, s7.8
1363  * @a12:	Slope A of Config Unit radial, s7.8
1364  * @a23:	Slope A of Config Unit radial, s7.8
1365  * @a34:	Slope A of Config Unit radial, s7.8
1366  * @a45:	Slope A of Config Unit radial, s7.8
1367  * @reserved2: reserved
1368  * @b01:	Slope B of Config Unit radial, s9.0
1369  * @b12:	Slope B of Config Unit radial, s9.0
1370  * @b23:	Slope B of Config Unit radial, s9.0
1371  * @reserved4: reserved
1372  * @b34:	Slope B of Config Unit radial, s9.0
1373  * @b45:	Slope B of Config Unit radial, s9.0
1374  * @reserved5: reserved
1375  */
1376 struct ipu3_uapi_iefd_cux6_rad {
1377 	__u32 x0:8;
1378 	__u32 x1:8;
1379 	__u32 x2:8;
1380 	__u32 x3:8;
1381 
1382 	__u32 x4:8;
1383 	__u32 x5:8;
1384 	__u32 reserved1:16;
1385 
1386 	__u32 a01:16;
1387 	__u32 a12:16;
1388 
1389 	__u32 a23:16;
1390 	__u32 a34:16;
1391 
1392 	__u32 a45:16;
1393 	__u32 reserved2:16;
1394 
1395 	__u32 b01:10;
1396 	__u32 b12:10;
1397 	__u32 b23:10;
1398 	__u32 reserved4:2;
1399 
1400 	__u32 b34:10;
1401 	__u32 b45:10;
1402 	__u32 reserved5:12;
1403 } __packed;
1404 
1405 /**
1406  * struct ipu3_uapi_yuvp1_iefd_cfg_units - IEFd Config Units parameters
1407  *
1408  * @cu_1: calculate weight for blending directed and
1409  *	  non-directed denoise elements. See &ipu3_uapi_iefd_cux2
1410  * @cu_ed: calculate power of non-directed sharpening element, see
1411  *	   &ipu3_uapi_iefd_cux6_ed
1412  * @cu_3: calculate weight for blending directed and
1413  *	  non-directed denoise elements. A &ipu3_uapi_iefd_cux2
1414  * @cu_5: calculate power of non-directed denoise element apply, use
1415  *	  &ipu3_uapi_iefd_cux2_1
1416  * @cu_6: calculate power of non-directed sharpening element. See
1417  *	  &ipu3_uapi_iefd_cux4
1418  * @cu_7: calculate weight for blending directed and
1419  *	  non-directed denoise elements. Use &ipu3_uapi_iefd_cux2
1420  * @cu_unsharp: Config Unit of unsharp &ipu3_uapi_iefd_cux4
1421  * @cu_radial: Config Unit of radial &ipu3_uapi_iefd_cux6_rad
1422  * @cu_vssnlm: Config Unit of vssnlm &ipu3_uapi_iefd_cux2
1423  */
1424 struct ipu3_uapi_yuvp1_iefd_cfg_units {
1425 	struct ipu3_uapi_iefd_cux2 cu_1;
1426 	struct ipu3_uapi_iefd_cux6_ed cu_ed;
1427 	struct ipu3_uapi_iefd_cux2 cu_3;
1428 	struct ipu3_uapi_iefd_cux2_1 cu_5;
1429 	struct ipu3_uapi_iefd_cux4 cu_6;
1430 	struct ipu3_uapi_iefd_cux2 cu_7;
1431 	struct ipu3_uapi_iefd_cux4 cu_unsharp;
1432 	struct ipu3_uapi_iefd_cux6_rad cu_radial;
1433 	struct ipu3_uapi_iefd_cux2 cu_vssnlm;
1434 } __packed;
1435 
1436 /**
1437  * struct ipu3_uapi_yuvp1_iefd_config_s - IEFd config
1438  *
1439  * @horver_diag_coeff: Gradient compensation. Compared with vertical /
1440  *		       horizontal (0 / 90 degree), coefficient of diagonal (45 /
1441  *		       135 degree) direction should be corrected by approx.
1442  *		       1/sqrt(2).
1443  * @reserved0: reserved
1444  * @clamp_stitch: Slope to stitch between clamped and unclamped edge values
1445  * @reserved1: reserved
1446  * @direct_metric_update: Update coeff for direction metric
1447  * @reserved2: reserved
1448  * @ed_horver_diag_coeff: Radial Coefficient that compensates for
1449  *			  different distance for vertical/horizontal and
1450  *			  diagonal gradient calculation (approx. 1/sqrt(2))
1451  * @reserved3: reserved
1452  */
1453 struct ipu3_uapi_yuvp1_iefd_config_s {
1454 	__u32 horver_diag_coeff:7;
1455 	__u32 reserved0:1;
1456 	__u32 clamp_stitch:6;
1457 	__u32 reserved1:2;
1458 	__u32 direct_metric_update:5;
1459 	__u32 reserved2:3;
1460 	__u32 ed_horver_diag_coeff:7;
1461 	__u32 reserved3:1;
1462 } __packed;
1463 
1464 /**
1465  * struct ipu3_uapi_yuvp1_iefd_control - IEFd control
1466  *
1467  * @iefd_en:	Enable IEFd
1468  * @denoise_en:	Enable denoise
1469  * @direct_smooth_en:	Enable directional smooth
1470  * @rad_en:	Enable radial update
1471  * @vssnlm_en:	Enable VSSNLM output filter
1472  * @reserved:	reserved
1473  */
1474 struct ipu3_uapi_yuvp1_iefd_control {
1475 	__u32 iefd_en:1;
1476 	__u32 denoise_en:1;
1477 	__u32 direct_smooth_en:1;
1478 	__u32 rad_en:1;
1479 	__u32 vssnlm_en:1;
1480 	__u32 reserved:27;
1481 } __packed;
1482 
1483 /**
1484  * struct ipu3_uapi_sharp_cfg - Sharpening config
1485  *
1486  * @nega_lmt_txt: Sharpening limit for negative overshoots for texture.
1487  * @reserved0: reserved
1488  * @posi_lmt_txt: Sharpening limit for positive overshoots for texture.
1489  * @reserved1: reserved
1490  * @nega_lmt_dir: Sharpening limit for negative overshoots for direction (edge).
1491  * @reserved2: reserved
1492  * @posi_lmt_dir: Sharpening limit for positive overshoots for direction (edge).
1493  * @reserved3: reserved
1494  *
1495  * Fixed point type u13.0, range [0, 8191].
1496  */
1497 struct ipu3_uapi_sharp_cfg {
1498 	__u32 nega_lmt_txt:13;
1499 	__u32 reserved0:19;
1500 	__u32 posi_lmt_txt:13;
1501 	__u32 reserved1:19;
1502 	__u32 nega_lmt_dir:13;
1503 	__u32 reserved2:19;
1504 	__u32 posi_lmt_dir:13;
1505 	__u32 reserved3:19;
1506 } __packed;
1507 
1508 /**
1509  * struct struct ipu3_uapi_far_w - Sharpening config for far sub-group
1510  *
1511  * @dir_shrp:	Weight of wide direct sharpening, u1.6, range [0, 64], default 64.
1512  * @reserved0:	reserved
1513  * @dir_dns:	Weight of wide direct denoising, u1.6, range [0, 64], default 0.
1514  * @reserved1:	reserved
1515  * @ndir_dns_powr:	Power of non-direct denoising,
1516  *			Precision u1.6, range [0, 64], default 64.
1517  * @reserved2:	reserved
1518  */
1519 struct ipu3_uapi_far_w {
1520 	__u32 dir_shrp:7;
1521 	__u32 reserved0:1;
1522 	__u32 dir_dns:7;
1523 	__u32 reserved1:1;
1524 	__u32 ndir_dns_powr:7;
1525 	__u32 reserved2:9;
1526 } __packed;
1527 
1528 /**
1529  * struct struct ipu3_uapi_unsharp_cfg - Unsharp config
1530  *
1531  * @unsharp_weight: Unsharp mask blending weight.
1532  *		    u1.6, range [0, 64], default 16.
1533  *		    0 - disabled, 64 - use only unsharp.
1534  * @reserved0: reserved
1535  * @unsharp_amount: Unsharp mask amount, u4.5, range [0, 511], default 0.
1536  * @reserved1: reserved
1537  */
1538 struct ipu3_uapi_unsharp_cfg {
1539 	__u32 unsharp_weight:7;
1540 	__u32 reserved0:1;
1541 	__u32 unsharp_amount:9;
1542 	__u32 reserved1:15;
1543 } __packed;
1544 
1545 /**
1546  * struct ipu3_uapi_yuvp1_iefd_shrp_cfg - IEFd sharpness config
1547  *
1548  * @cfg: sharpness config &ipu3_uapi_sharp_cfg
1549  * @far_w: wide range config, value as specified by &ipu3_uapi_far_w:
1550  *	The 5x5 environment is separated into 2 sub-groups, the 3x3 nearest
1551  *	neighbors (8 pixels called Near), and the second order neighborhood
1552  *	around them (16 pixels called Far).
1553  * @unshrp_cfg: unsharpness config. &ipu3_uapi_unsharp_cfg
1554  */
1555 struct ipu3_uapi_yuvp1_iefd_shrp_cfg {
1556 	struct ipu3_uapi_sharp_cfg cfg;
1557 	struct ipu3_uapi_far_w far_w;
1558 	struct ipu3_uapi_unsharp_cfg unshrp_cfg;
1559 } __packed;
1560 
1561 /**
1562  * struct ipu3_uapi_unsharp_coef0 - Unsharp mask coefficients
1563  *
1564  * @c00: Coeff11, s0.8, range [-255, 255], default 1.
1565  * @c01: Coeff12, s0.8, range [-255, 255], default 5.
1566  * @c02: Coeff13, s0.8, range [-255, 255], default 9.
1567  * @reserved: reserved
1568  *
1569  * Configurable registers for common sharpening support.
1570  */
1571 struct ipu3_uapi_unsharp_coef0 {
1572 	__u32 c00:9;
1573 	__u32 c01:9;
1574 	__u32 c02:9;
1575 	__u32 reserved:5;
1576 } __packed;
1577 
1578 /**
1579  * struct ipu3_uapi_unsharp_coef1 - Unsharp mask coefficients
1580  *
1581  * @c11: Coeff22, s0.8, range [-255, 255], default 29.
1582  * @c12: Coeff23, s0.8, range [-255, 255], default 55.
1583  * @c22: Coeff33, s0.8, range [-255, 255], default 96.
1584  * @reserved: reserved
1585  */
1586 struct ipu3_uapi_unsharp_coef1 {
1587 	__u32 c11:9;
1588 	__u32 c12:9;
1589 	__u32 c22:9;
1590 	__u32 reserved:5;
1591 } __packed;
1592 
1593 /**
1594  * struct ipu3_uapi_yuvp1_iefd_unshrp_cfg - Unsharp mask config
1595  *
1596  * @unsharp_coef0: unsharp coefficient 0 config. See &ipu3_uapi_unsharp_coef0
1597  * @unsharp_coef1: unsharp coefficient 1 config. See &ipu3_uapi_unsharp_coef1
1598  */
1599 struct ipu3_uapi_yuvp1_iefd_unshrp_cfg {
1600 	struct ipu3_uapi_unsharp_coef0 unsharp_coef0;
1601 	struct ipu3_uapi_unsharp_coef1 unsharp_coef1;
1602 } __packed;
1603 
1604 /**
1605  * struct ipu3_uapi_radial_reset_xy - Radial coordinate reset
1606  *
1607  * @x:	Radial reset of x coordinate. Precision s12, [-4095, 4095], default 0.
1608  * @reserved0:	reserved
1609  * @y:	Radial center y coordinate. Precision s12, [-4095, 4095], default 0.
1610  * @reserved1:	reserved
1611  */
1612 struct ipu3_uapi_radial_reset_xy {
1613 	__s32 x:13;
1614 	__u32 reserved0:3;
1615 	__s32 y:13;
1616 	__u32 reserved1:3;
1617 } __packed;
1618 
1619 /**
1620  * struct ipu3_uapi_radial_reset_x2 - Radial X^2 reset
1621  *
1622  * @x2:	Radial reset of x^2 coordinate. Precision u24, default 0.
1623  * @reserved:	reserved
1624  */
1625 struct ipu3_uapi_radial_reset_x2 {
1626 	__u32 x2:24;
1627 	__u32 reserved:8;
1628 } __packed;
1629 
1630 /**
1631  * struct ipu3_uapi_radial_reset_y2 - Radial Y^2 reset
1632  *
1633  * @y2:	Radial reset of y^2 coordinate. Precision u24, default 0.
1634  * @reserved:	reserved
1635  */
1636 struct ipu3_uapi_radial_reset_y2 {
1637 	__u32 y2:24;
1638 	__u32 reserved:8;
1639 } __packed;
1640 
1641 /**
1642  * struct ipu3_uapi_radial_cfg - Radial config
1643  *
1644  * @rad_nf: Radial. R^2 normalization factor is scale down by 2^ - (15 + scale)
1645  * @reserved0: reserved
1646  * @rad_inv_r2: Radial R^-2 normelized to (0.5..1).
1647  *		Precision u7, range [0, 127].
1648  * @reserved1: reserved
1649  */
1650 struct ipu3_uapi_radial_cfg {
1651 	__u32 rad_nf:4;
1652 	__u32 reserved0:4;
1653 	__u32 rad_inv_r2:7;
1654 	__u32 reserved1:17;
1655 } __packed;
1656 
1657 /**
1658  * struct ipu3_uapi_rad_far_w - Radial FAR sub-group
1659  *
1660  * @rad_dir_far_sharp_w: Weight of wide direct sharpening, u1.6, range [0, 64],
1661  *			 default 64.
1662  * @rad_dir_far_dns_w: Weight of wide direct denoising, u1.6, range [0, 64],
1663  *			 default 0.
1664  * @rad_ndir_far_dns_power: power of non-direct sharpening, u1.6, range [0, 64],
1665  *			 default 0.
1666  * @reserved: reserved
1667  */
1668 struct ipu3_uapi_rad_far_w {
1669 	__u32 rad_dir_far_sharp_w:8;
1670 	__u32 rad_dir_far_dns_w:8;
1671 	__u32 rad_ndir_far_dns_power:8;
1672 	__u32 reserved:8;
1673 } __packed;
1674 
1675 /**
1676  * struct ipu3_uapi_cu_cfg0 - Radius Config Unit cfg0 register
1677  *
1678  * @cu6_pow: Power of CU6. Power of non-direct sharpening, u3.4.
1679  * @reserved0: reserved
1680  * @cu_unsharp_pow: Power of unsharp mask, u2.4.
1681  * @reserved1: reserved
1682  * @rad_cu6_pow: Radial/corner CU6. Directed sharpening power, u3.4.
1683  * @reserved2: reserved
1684  * @rad_cu_unsharp_pow: Radial power of unsharp mask, u2.4.
1685  * @reserved3: reserved
1686  */
1687 struct ipu3_uapi_cu_cfg0 {
1688 	__u32 cu6_pow:7;
1689 	__u32 reserved0:1;
1690 	__u32 cu_unsharp_pow:7;
1691 	__u32 reserved1:1;
1692 	__u32 rad_cu6_pow:7;
1693 	__u32 reserved2:1;
1694 	__u32 rad_cu_unsharp_pow:6;
1695 	__u32 reserved3:2;
1696 } __packed;
1697 
1698 /**
1699  * struct ipu3_uapi_cu_cfg1 - Radius Config Unit cfg1 register
1700  *
1701  * @rad_cu6_x1: X1 point of Config Unit 6, precision u9.0.
1702  * @reserved0: reserved
1703  * @rad_cu_unsharp_x1: X1 point for Config Unit unsharp for radial/corner point
1704  *			precision u9.0.
1705  * @reserved1: reserved
1706  */
1707 struct ipu3_uapi_cu_cfg1 {
1708 	__u32 rad_cu6_x1:9;
1709 	__u32 reserved0:1;
1710 	__u32 rad_cu_unsharp_x1:9;
1711 	__u32 reserved1:13;
1712 } __packed;
1713 
1714 /**
1715  * struct ipu3_uapi_yuvp1_iefd_rad_cfg - IEFd parameters changed radially over
1716  *					 the picture plane.
1717  *
1718  * @reset_xy: reset xy value in radial calculation. &ipu3_uapi_radial_reset_xy
1719  * @reset_x2: reset x square value in radial calculation. See struct
1720  *	      &ipu3_uapi_radial_reset_x2
1721  * @reset_y2: reset y square value in radial calculation. See struct
1722  *	      &ipu3_uapi_radial_reset_y2
1723  * @cfg: radial config defined in &ipu3_uapi_radial_cfg
1724  * @rad_far_w: weight for wide range radial. &ipu3_uapi_rad_far_w
1725  * @cu_cfg0: configuration unit 0. See &ipu3_uapi_cu_cfg0
1726  * @cu_cfg1: configuration unit 1. See &ipu3_uapi_cu_cfg1
1727  */
1728 struct ipu3_uapi_yuvp1_iefd_rad_cfg {
1729 	struct ipu3_uapi_radial_reset_xy reset_xy;
1730 	struct ipu3_uapi_radial_reset_x2 reset_x2;
1731 	struct ipu3_uapi_radial_reset_y2 reset_y2;
1732 	struct ipu3_uapi_radial_cfg cfg;
1733 	struct ipu3_uapi_rad_far_w rad_far_w;
1734 	struct ipu3_uapi_cu_cfg0 cu_cfg0;
1735 	struct ipu3_uapi_cu_cfg1 cu_cfg1;
1736 } __packed;
1737 
1738 /* Vssnlm - Very small scale non-local mean algorithm */
1739 
1740 /**
1741  * struct ipu3_uapi_vss_lut_x - Vssnlm LUT x0/x1/x2
1742  *
1743  * @vs_x0: Vssnlm LUT x0, precision u8, range [0, 255], default 16.
1744  * @vs_x1: Vssnlm LUT x1, precision u8, range [0, 255], default 32.
1745  * @vs_x2: Vssnlm LUT x2, precision u8, range [0, 255], default 64.
1746  * @reserved2: reserved
1747  */
1748 struct ipu3_uapi_vss_lut_x {
1749 	__u32 vs_x0:8;
1750 	__u32 vs_x1:8;
1751 	__u32 vs_x2:8;
1752 	__u32 reserved2:8;
1753 } __packed;
1754 
1755 /**
1756  * struct ipu3_uapi_vss_lut_y - Vssnlm LUT y0/y1/y2
1757  *
1758  * @vs_y1: Vssnlm LUT y1, precision u4, range [0, 8], default 1.
1759  * @reserved0: reserved
1760  * @vs_y2: Vssnlm LUT y2, precision u4, range [0, 8], default 3.
1761  * @reserved1: reserved
1762  * @vs_y3: Vssnlm LUT y3, precision u4, range [0, 8], default 8.
1763  * @reserved2: reserved
1764  */
1765 struct ipu3_uapi_vss_lut_y {
1766 	__u32 vs_y1:4;
1767 	__u32 reserved0:4;
1768 	__u32 vs_y2:4;
1769 	__u32 reserved1:4;
1770 	__u32 vs_y3:4;
1771 	__u32 reserved2:12;
1772 } __packed;
1773 
1774 /**
1775  * struct ipu3_uapi_yuvp1_iefd_vssnlm_cf - IEFd Vssnlm Lookup table
1776  *
1777  * @vss_lut_x: vss lookup table. See &ipu3_uapi_vss_lut_x description
1778  * @vss_lut_y: vss lookup table. See &ipu3_uapi_vss_lut_y description
1779  */
1780 struct ipu3_uapi_yuvp1_iefd_vssnlm_cfg {
1781 	struct ipu3_uapi_vss_lut_x vss_lut_x;
1782 	struct ipu3_uapi_vss_lut_y vss_lut_y;
1783 } __packed;
1784 
1785 /**
1786  * struct ipu3_uapi_yuvp1_iefd_config - IEFd config
1787  *
1788  * @units: configuration unit setting, &ipu3_uapi_yuvp1_iefd_cfg_units
1789  * @config: configuration, as defined by &ipu3_uapi_yuvp1_iefd_config_s
1790  * @control: control setting, as defined by &ipu3_uapi_yuvp1_iefd_control
1791  * @sharp: sharpness setting, as defined by &ipu3_uapi_yuvp1_iefd_shrp_cfg
1792  * @unsharp: unsharpness setting, as defined by &ipu3_uapi_yuvp1_iefd_unshrp_cfg
1793  * @rad: radial setting, as defined by &ipu3_uapi_yuvp1_iefd_rad_cfg
1794  * @vsslnm: vsslnm setting, as defined by &ipu3_uapi_yuvp1_iefd_vssnlm_cfg
1795  */
1796 struct ipu3_uapi_yuvp1_iefd_config {
1797 	struct ipu3_uapi_yuvp1_iefd_cfg_units units;
1798 	struct ipu3_uapi_yuvp1_iefd_config_s config;
1799 	struct ipu3_uapi_yuvp1_iefd_control control;
1800 	struct ipu3_uapi_yuvp1_iefd_shrp_cfg sharp;
1801 	struct ipu3_uapi_yuvp1_iefd_unshrp_cfg unsharp;
1802 	struct ipu3_uapi_yuvp1_iefd_rad_cfg rad;
1803 	struct ipu3_uapi_yuvp1_iefd_vssnlm_cfg vsslnm;
1804 } __packed;
1805 
1806 /**
1807  * struct ipu3_uapi_yuvp1_yds_config - Y Down-Sampling config
1808  *
1809  * @c00: range [0, 3], default 0x0
1810  * @c01: range [0, 3], default 0x1
1811  * @c02: range [0, 3], default 0x1
1812  * @c03: range [0, 3], default 0x0
1813  * @c10: range [0, 3], default 0x0
1814  * @c11: range [0, 3], default 0x1
1815  * @c12: range [0, 3], default 0x1
1816  * @c13: range [0, 3], default 0x0
1817  *
1818  * Above are 4x2 filter coefficients for chroma output downscaling.
1819  *
1820  * @norm_factor: Normalization factor, range [0, 4], default 2
1821  *		0 - divide by 1
1822  *		1 - divide by 2
1823  *		2 - divide by 4
1824  *		3 - divide by 8
1825  *		4 - divide by 16
1826  * @reserved0: reserved
1827  * @bin_output: Down sampling on Luma channel in two optional modes
1828  *		0 - Bin output 4.2.0 (default), 1 output 4.2.2.
1829  * @reserved1: reserved
1830  */
1831 struct ipu3_uapi_yuvp1_yds_config {
1832 	__u32 c00:2;
1833 	__u32 c01:2;
1834 	__u32 c02:2;
1835 	__u32 c03:2;
1836 	__u32 c10:2;
1837 	__u32 c11:2;
1838 	__u32 c12:2;
1839 	__u32 c13:2;
1840 	__u32 norm_factor:5;
1841 	__u32 reserved0:4;
1842 	__u32 bin_output:1;
1843 	__u32 reserved1:6;
1844 } __packed;
1845 
1846 /* Chroma Noise Reduction */
1847 
1848 /**
1849  * struct ipu3_uapi_yuvp1_chnr_enable_config - Chroma noise reduction enable
1850  *
1851  * @enable: enable/disable chroma noise reduction
1852  * @yuv_mode: 0 - YUV420, 1 - YUV422
1853  * @reserved0: reserved
1854  * @col_size: number of columns in the frame, max width is 2560
1855  * @reserved1: reserved
1856  */
1857 struct ipu3_uapi_yuvp1_chnr_enable_config {
1858 	__u32 enable:1;
1859 	__u32 yuv_mode:1;
1860 	__u32 reserved0:14;
1861 	__u32 col_size:12;
1862 	__u32 reserved1:4;
1863 } __packed;
1864 
1865 /**
1866  * struct ipu3_uapi_yuvp1_chnr_coring_config - Coring thresholds for UV
1867  *
1868  * @u: U coring level, u0.13, range [0.0, 1.0], default 0.0
1869  * @reserved0: reserved
1870  * @v: V coring level, u0.13, range [0.0, 1.0], default 0.0
1871  * @reserved1: reserved
1872  */
1873 struct ipu3_uapi_yuvp1_chnr_coring_config {
1874 	__u32 u:13;
1875 	__u32 reserved0:3;
1876 	__u32 v:13;
1877 	__u32 reserved1:3;
1878 } __packed;
1879 
1880 /**
1881  * struct ipu3_uapi_yuvp1_chnr_sense_gain_config - Chroma noise reduction gains
1882  *
1883  * All sensitivity gain parameters have precision u13.0, range [0, 8191].
1884  *
1885  * @vy: Sensitivity of horizontal edge of Y, default 100
1886  * @vu: Sensitivity of horizontal edge of U, default 100
1887  * @vv: Sensitivity of horizontal edge of V, default 100
1888  * @reserved0: reserved
1889  * @hy: Sensitivity of vertical edge of Y, default 50
1890  * @hu: Sensitivity of vertical edge of U, default 50
1891  * @hv: Sensitivity of vertical edge of V, default 50
1892  * @reserved1: reserved
1893  */
1894 struct ipu3_uapi_yuvp1_chnr_sense_gain_config {
1895 	__u32 vy:8;
1896 	__u32 vu:8;
1897 	__u32 vv:8;
1898 	__u32 reserved0:8;
1899 
1900 	__u32 hy:8;
1901 	__u32 hu:8;
1902 	__u32 hv:8;
1903 	__u32 reserved1:8;
1904 } __packed;
1905 
1906 /**
1907  * struct ipu3_uapi_yuvp1_chnr_iir_fir_config - Chroma IIR/FIR filter config
1908  *
1909  * @fir_0h: Value of center tap in horizontal FIR, range [0, 32], default 8.
1910  * @reserved0: reserved
1911  * @fir_1h: Value of distance 1 in horizontal FIR, range [0, 32], default 12.
1912  * @reserved1: reserved
1913  * @fir_2h: Value of distance 2 tap in horizontal FIR, range [0, 32], default 0.
1914  * @dalpha_clip_val: weight for previous row in IIR, range [1, 256], default 0.
1915  * @reserved2: reserved
1916  */
1917 struct ipu3_uapi_yuvp1_chnr_iir_fir_config {
1918 	__u32 fir_0h:6;
1919 	__u32 reserved0:2;
1920 	__u32 fir_1h:6;
1921 	__u32 reserved1:2;
1922 	__u32 fir_2h:6;
1923 	__u32 dalpha_clip_val:9;
1924 	__u32 reserved2:1;
1925 } __packed;
1926 
1927 /**
1928  * struct ipu3_uapi_yuvp1_chnr_config - Chroma noise reduction config
1929  *
1930  * @enable: chroma noise reduction enable, see
1931  *	    &ipu3_uapi_yuvp1_chnr_enable_config
1932  * @coring: coring config for chroma noise reduction, see
1933  *	    &ipu3_uapi_yuvp1_chnr_coring_config
1934  * @sense_gain: sensitivity config for chroma noise reduction, see
1935  *		ipu3_uapi_yuvp1_chnr_sense_gain_config
1936  * @iir_fir: iir and fir config for chroma noise reduction, see
1937  *	     ipu3_uapi_yuvp1_chnr_iir_fir_config
1938  */
1939 struct ipu3_uapi_yuvp1_chnr_config {
1940 	struct ipu3_uapi_yuvp1_chnr_enable_config enable;
1941 	struct ipu3_uapi_yuvp1_chnr_coring_config coring;
1942 	struct ipu3_uapi_yuvp1_chnr_sense_gain_config sense_gain;
1943 	struct ipu3_uapi_yuvp1_chnr_iir_fir_config iir_fir;
1944 } __packed;
1945 
1946 /* Edge Enhancement and Noise Reduction */
1947 
1948 /**
1949  * struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config - Luma(Y) edge enhancement low-pass
1950  *					       filter coefficients
1951  *
1952  * @a_diag: Smoothing diagonal coefficient, u5.0.
1953  * @reserved0: reserved
1954  * @a_periph: Image smoothing perpherial, u5.0.
1955  * @reserved1: reserved
1956  * @a_cent: Image Smoothing center coefficient, u5.0.
1957  * @reserved2: reserved
1958  * @enable: 0: Y_EE_NR disabled, output = input; 1: Y_EE_NR enabled.
1959  */
1960 struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config {
1961 	__u32 a_diag:5;
1962 	__u32 reserved0:3;
1963 	__u32 a_periph:5;
1964 	__u32 reserved1:3;
1965 	__u32 a_cent:5;
1966 	__u32 reserved2:9;
1967 	__u32 enable:1;
1968 } __packed;
1969 
1970 /**
1971  * struct ipu3_uapi_yuvp1_y_ee_nr_sense_config - Luma(Y) edge enhancement
1972  *					noise reduction sensitivity gains
1973  *
1974  * @edge_sense_0: Sensitivity of edge in dark area. u13.0, default 8191.
1975  * @reserved0: reserved
1976  * @delta_edge_sense: Difference in the sensitivity of edges between
1977  *		      the bright and dark areas. u13.0, default 0.
1978  * @reserved1: reserved
1979  * @corner_sense_0: Sensitivity of corner in dark area. u13.0, default 0.
1980  * @reserved2: reserved
1981  * @delta_corner_sense: Difference in the sensitivity of corners between
1982  *			the bright and dark areas. u13.0, default 8191.
1983  * @reserved3: reserved
1984  */
1985 struct ipu3_uapi_yuvp1_y_ee_nr_sense_config {
1986 	__u32 edge_sense_0:13;
1987 	__u32 reserved0:3;
1988 	__u32 delta_edge_sense:13;
1989 	__u32 reserved1:3;
1990 	__u32 corner_sense_0:13;
1991 	__u32 reserved2:3;
1992 	__u32 delta_corner_sense:13;
1993 	__u32 reserved3:3;
1994 } __packed;
1995 
1996 /**
1997  * struct ipu3_uapi_yuvp1_y_ee_nr_gain_config - Luma(Y) edge enhancement
1998  *						noise reduction gain config
1999  *
2000  * @gain_pos_0: Gain for positive edge in dark area. u5.0, [0, 16], default 2.
2001  * @reserved0: reserved
2002  * @delta_gain_posi: Difference in the gain of edges between the bright and
2003  *		     dark areas for positive edges. u5.0, [0, 16], default 0.
2004  * @reserved1: reserved
2005  * @gain_neg_0: Gain for negative edge in dark area. u5.0, [0, 16], default 8.
2006  * @reserved2: reserved
2007  * @delta_gain_neg: Difference in the gain of edges between the bright and
2008  *		    dark areas for negative edges. u5.0, [0, 16], default 0.
2009  * @reserved3: reserved
2010  */
2011 struct ipu3_uapi_yuvp1_y_ee_nr_gain_config {
2012 	__u32 gain_pos_0:5;
2013 	__u32 reserved0:3;
2014 	__u32 delta_gain_posi:5;
2015 	__u32 reserved1:3;
2016 	__u32 gain_neg_0:5;
2017 	__u32 reserved2:3;
2018 	__u32 delta_gain_neg:5;
2019 	__u32 reserved3:3;
2020 } __packed;
2021 
2022 /**
2023  * struct ipu3_uapi_yuvp1_y_ee_nr_clip_config - Luma(Y) edge enhancement
2024  *					noise reduction clipping config
2025  *
2026  * @clip_pos_0: Limit of positive edge in dark area
2027  *		u5, value [0, 16], default 8.
2028  * @reserved0: reserved
2029  * @delta_clip_posi: Difference in the limit of edges between the bright
2030  *		     and dark areas for positive edges.
2031  *		     u5, value [0, 16], default 8.
2032  * @reserved1: reserved
2033  * @clip_neg_0: Limit of negative edge in dark area
2034  *		u5, value [0, 16], default 8.
2035  * @reserved2: reserved
2036  * @delta_clip_neg: Difference in the limit of edges between the bright
2037  *		    and dark areas for negative edges.
2038  *		    u5, value [0, 16], default 8.
2039  * @reserved3: reserved
2040  */
2041 struct ipu3_uapi_yuvp1_y_ee_nr_clip_config {
2042 	__u32 clip_pos_0:5;
2043 	__u32 reserved0:3;
2044 	__u32 delta_clip_posi:5;
2045 	__u32 reserved1:3;
2046 	__u32 clip_neg_0:5;
2047 	__u32 reserved2:3;
2048 	__u32 delta_clip_neg:5;
2049 	__u32 reserved3:3;
2050 } __packed;
2051 
2052 /**
2053  * struct ipu3_uapi_yuvp1_y_ee_nr_frng_config - Luma(Y) edge enhancement
2054  *						noise reduction fringe config
2055  *
2056  * @gain_exp: Common exponent of gains, u4, [0, 8], default 2.
2057  * @reserved0: reserved
2058  * @min_edge: Threshold for edge and smooth stitching, u13.
2059  * @reserved1: reserved
2060  * @lin_seg_param: Power of LinSeg, u4.
2061  * @reserved2: reserved
2062  * @t1: Parameter for enabling/disabling the edge enhancement, u1.0, [0, 1],
2063  *	default 1.
2064  * @t2: Parameter for enabling/disabling the smoothing, u1.0, [0, 1],
2065  *	default 1.
2066  * @reserved3: reserved
2067  */
2068 struct ipu3_uapi_yuvp1_y_ee_nr_frng_config {
2069 	__u32 gain_exp:4;
2070 	__u32 reserved0:28;
2071 	__u32 min_edge:13;
2072 	__u32 reserved1:3;
2073 	__u32 lin_seg_param:4;
2074 	__u32 reserved2:4;
2075 	__u32 t1:1;
2076 	__u32 t2:1;
2077 	__u32 reserved3:6;
2078 } __packed;
2079 
2080 /**
2081  * struct ipu3_uapi_yuvp1_y_ee_nr_diag_config - Luma(Y) edge enhancement
2082  *					noise reduction diagonal config
2083  *
2084  * @diag_disc_g: Coefficient that prioritize diagonal edge direction on
2085  *		 horizontal or vertical for final enhancement.
2086  *		 u4.0, [1, 15], default 1.
2087  * @reserved0: reserved
2088  * @hvw_hor: Weight of horizontal/vertical edge enhancement for hv edge.
2089  *		u2.2, [1, 15], default 4.
2090  * @dw_hor: Weight of diagonal edge enhancement for hv edge.
2091  *		u2.2, [1, 15], default 1.
2092  * @hvw_diag: Weight of horizontal/vertical edge enhancement for diagonal edge.
2093  *		u2.2, [1, 15], default 1.
2094  * @dw_diag: Weight of diagonal edge enhancement for diagonal edge.
2095  *		u2.2, [1, 15], default 4.
2096  * @reserved1: reserved
2097  */
2098 struct ipu3_uapi_yuvp1_y_ee_nr_diag_config {
2099 	__u32 diag_disc_g:4;
2100 	__u32 reserved0:4;
2101 	__u32 hvw_hor:4;
2102 	__u32 dw_hor:4;
2103 	__u32 hvw_diag:4;
2104 	__u32 dw_diag:4;
2105 	__u32 reserved1:8;
2106 } __packed;
2107 
2108 /**
2109  * struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config - Luma(Y) edge enhancement
2110  *		noise reduction false color correction (FCC) coring config
2111  *
2112  * @pos_0: Gain for positive edge in dark, u13.0, [0, 16], default 0.
2113  * @reserved0: reserved
2114  * @pos_delta: Gain for positive edge in bright, value: pos_0 + pos_delta <=16
2115  *		u13.0, default 0.
2116  * @reserved1: reserved
2117  * @neg_0: Gain for negative edge in dark area, u13.0, range [0, 16], default 0.
2118  * @reserved2: reserved
2119  * @neg_delta: Gain for negative edge in bright area. neg_0 + neg_delta <=16
2120  *		u13.0, default 0.
2121  * @reserved3: reserved
2122  *
2123  * Coring is a simple soft thresholding technique.
2124  */
2125 struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config {
2126 	__u32 pos_0:13;
2127 	__u32 reserved0:3;
2128 	__u32 pos_delta:13;
2129 	__u32 reserved1:3;
2130 	__u32 neg_0:13;
2131 	__u32 reserved2:3;
2132 	__u32 neg_delta:13;
2133 	__u32 reserved3:3;
2134 } __packed;
2135 
2136 /**
2137  * struct ipu3_uapi_yuvp1_y_ee_nr_config - Edge enhancement and noise reduction
2138  *
2139  * @lpf: low-pass filter config. See &ipu3_uapi_yuvp1_y_ee_nr_lpf_config
2140  * @sense: sensitivity config. See &ipu3_uapi_yuvp1_y_ee_nr_sense_config
2141  * @gain: gain config as defined in &ipu3_uapi_yuvp1_y_ee_nr_gain_config
2142  * @clip: clip config as defined in &ipu3_uapi_yuvp1_y_ee_nr_clip_config
2143  * @frng: fringe config as defined in &ipu3_uapi_yuvp1_y_ee_nr_frng_config
2144  * @diag: diagonal edge config. See &ipu3_uapi_yuvp1_y_ee_nr_diag_config
2145  * @fc_coring: coring config for fringe control. See
2146  *	       &ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config
2147  */
2148 struct ipu3_uapi_yuvp1_y_ee_nr_config {
2149 	struct ipu3_uapi_yuvp1_y_ee_nr_lpf_config lpf;
2150 	struct ipu3_uapi_yuvp1_y_ee_nr_sense_config sense;
2151 	struct ipu3_uapi_yuvp1_y_ee_nr_gain_config gain;
2152 	struct ipu3_uapi_yuvp1_y_ee_nr_clip_config clip;
2153 	struct ipu3_uapi_yuvp1_y_ee_nr_frng_config frng;
2154 	struct ipu3_uapi_yuvp1_y_ee_nr_diag_config diag;
2155 	struct ipu3_uapi_yuvp1_y_ee_nr_fc_coring_config fc_coring;
2156 } __packed;
2157 
2158 /* Total Color Correction */
2159 
2160 /**
2161  * struct ipu3_uapi_yuvp2_tcc_gen_control_static_config - Total color correction
2162  *				general control config
2163  *
2164  * @en:	0 - TCC disabled. Output = input 1 - TCC enabled.
2165  * @blend_shift:	blend shift, Range[3, 4], default NA.
2166  * @gain_according_to_y_only:	0: Gain is calculated according to YUV,
2167  *				1: Gain is calculated according to Y only
2168  * @reserved0: reserved
2169  * @gamma:	Final blending coefficients. Values[-16, 16], default NA.
2170  * @reserved1: reserved
2171  * @delta:	Final blending coefficients. Values[-16, 16], default NA.
2172  * @reserved2: reserved
2173  */
2174 struct ipu3_uapi_yuvp2_tcc_gen_control_static_config {
2175 	__u32 en:1;
2176 	__u32 blend_shift:3;
2177 	__u32 gain_according_to_y_only:1;
2178 	__u32 reserved0:11;
2179 	__s32 gamma:5;
2180 	__u32 reserved1:3;
2181 	__s32 delta:5;
2182 	__u32 reserved2:3;
2183 } __packed;
2184 
2185 /**
2186  * struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config - Total color correction
2187  *				multi-axis color control (MACC) config
2188  *
2189  * @a: a coefficient for 2x2 MACC conversion matrix.
2190  * @reserved0: reserved
2191  * @b: b coefficient  2x2 MACC conversion matrix.
2192  * @reserved1: reserved
2193  * @c: c coefficient for 2x2 MACC conversion matrix.
2194  * @reserved2: reserved
2195  * @d: d coefficient for 2x2 MACC conversion matrix.
2196  * @reserved3: reserved
2197  */
2198 struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config {
2199 	__s32 a:12;
2200 	__u32 reserved0:4;
2201 	__s32 b:12;
2202 	__u32 reserved1:4;
2203 	__s32 c:12;
2204 	__u32 reserved2:4;
2205 	__s32 d:12;
2206 	__u32 reserved3:4;
2207 } __packed;
2208 
2209 /**
2210  * struct ipu3_uapi_yuvp2_tcc_macc_table_static_config - Total color correction
2211  *				multi-axis color control (MACC) table array
2212  *
2213  * @entries: config for multi axis color correction, as specified by
2214  *	     &ipu3_uapi_yuvp2_tcc_macc_elem_static_config
2215  */
2216 struct ipu3_uapi_yuvp2_tcc_macc_table_static_config {
2217 	struct ipu3_uapi_yuvp2_tcc_macc_elem_static_config
2218 		entries[IPU3_UAPI_YUVP2_TCC_MACC_TABLE_ELEMENTS];
2219 } __packed;
2220 
2221 /**
2222  * struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config - Total color correction
2223  *				inverse y lookup table
2224  *
2225  * @entries: lookup table for inverse y estimation, and use it to estimate the
2226  *	     ratio between luma and chroma. Chroma by approximate the absolute
2227  *	     value of the radius on the chroma plane (R = sqrt(u^2+v^2) ) and
2228  *	     luma by approximate by 1/Y.
2229  */
2230 struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config {
2231 	__u16 entries[IPU3_UAPI_YUVP2_TCC_INV_Y_LUT_ELEMENTS];
2232 } __packed;
2233 
2234 /**
2235  * struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config - Total color
2236  *					correction lookup table for PCWL
2237  *
2238  * @entries: lookup table for gain piece wise linear transformation (PCWL)
2239  */
2240 struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config {
2241 	__u16 entries[IPU3_UAPI_YUVP2_TCC_GAIN_PCWL_LUT_ELEMENTS];
2242 } __packed;
2243 
2244 /**
2245  * struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config - Total color correction
2246  *				lookup table for r square root
2247  *
2248  * @entries: lookup table for r square root estimation
2249  */
2250 struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config {
2251 	__s16 entries[IPU3_UAPI_YUVP2_TCC_R_SQR_LUT_ELEMENTS];
2252 } __packed;
2253 
2254 /**
2255  * struct ipu3_uapi_yuvp2_tcc_static_config- Total color correction static
2256  *
2257  * @gen_control: general config for Total Color Correction
2258  * @macc_table: config for multi axis color correction
2259  * @inv_y_lut: lookup table for inverse y estimation
2260  * @gain_pcwl: lookup table for gain PCWL
2261  * @r_sqr_lut: lookup table for r square root estimation.
2262  */
2263 struct ipu3_uapi_yuvp2_tcc_static_config {
2264 	struct ipu3_uapi_yuvp2_tcc_gen_control_static_config gen_control;
2265 	struct ipu3_uapi_yuvp2_tcc_macc_table_static_config macc_table;
2266 	struct ipu3_uapi_yuvp2_tcc_inv_y_lut_static_config inv_y_lut;
2267 	struct ipu3_uapi_yuvp2_tcc_gain_pcwl_lut_static_config gain_pcwl;
2268 	struct ipu3_uapi_yuvp2_tcc_r_sqr_lut_static_config r_sqr_lut;
2269 } __packed;
2270 
2271 /* Advanced Noise Reduction related structs */
2272 
2273 /*
2274  * struct ipu3_uapi_anr_alpha - Advanced noise reduction alpha
2275  *
2276  * Tunable parameters that are subject to modification according to the
2277  * total gain used.
2278  */
2279 struct ipu3_uapi_anr_alpha {
2280 	__u16 gr;
2281 	__u16 r;
2282 	__u16 b;
2283 	__u16 gb;
2284 	__u16 dc_gr;
2285 	__u16 dc_r;
2286 	__u16 dc_b;
2287 	__u16 dc_gb;
2288 } __packed;
2289 
2290 /*
2291  * struct ipu3_uapi_anr_beta - Advanced noise reduction beta
2292  *
2293  * Tunable parameters that are subject to modification according to the
2294  * total gain used.
2295  */
2296 struct ipu3_uapi_anr_beta {
2297 	__u16 beta_gr;
2298 	__u16 beta_r;
2299 	__u16 beta_b;
2300 	__u16 beta_gb;
2301 } __packed;
2302 
2303 /*
2304  * struct ipu3_uapi_anr_plane_color - Advanced noise reduction per plane R, Gr,
2305  *				      Gb and B register settings
2306  *
2307  * Tunable parameters that are subject to modification according to the
2308  * total gain used.
2309  */
2310 struct ipu3_uapi_anr_plane_color {
2311 	__u16 reg_w_gr[16];
2312 	__u16 reg_w_r[16];
2313 	__u16 reg_w_b[16];
2314 	__u16 reg_w_gb[16];
2315 } __packed;
2316 
2317 /**
2318  * struct ipu3_uapi_anr_transform_config - Advanced noise reduction transform
2319  *
2320  * @enable: advanced noise reduction enabled.
2321  * @adaptive_treshhold_en: On IPU3, adaptive threshold is always enabled.
2322  * @reserved1: reserved
2323  * @reserved2: reserved
2324  * @alpha: using following defaults:
2325  *		13, 13, 13, 13, 0, 0, 0, 0
2326  *		11, 11, 11, 11, 0, 0, 0, 0
2327  *		14,  14, 14, 14, 0, 0, 0, 0
2328  * @beta: use following defaults:
2329  *		24, 24, 24, 24
2330  *		21, 20, 20, 21
2331  *		25, 25, 25, 25
2332  * @color: use defaults defined in driver/media/pci/intel/ipu3-tables.c
2333  * @sqrt_lut: 11 bits per element, values =
2334  *					[724 768 810 849 887
2335  *					923 958 991 1024 1056
2336  *					1116 1145 1173 1201 1086
2337  *					1228 1254 1280 1305 1330
2338  *					1355 1379 1402 1425 1448]
2339  * @xreset: Reset value of X for r^2 calculation Value: col_start-X_center
2340  *	Constraint: Xreset + FrameWdith=4095 Xreset= -4095, default -1632.
2341  * @reserved3: reserved
2342  * @yreset: Reset value of Y for r^2 calculation Value: row_start-Y_center
2343  *	 Constraint: Yreset + FrameHeight=4095 Yreset= -4095, default -1224.
2344  * @reserved4: reserved
2345  * @x_sqr_reset: Reset value of X^2 for r^2 calculation Value = (Xreset)^2
2346  * @r_normfactor: Normalization factor for R. Default 14.
2347  * @reserved5: reserved
2348  * @y_sqr_reset: Reset value of Y^2 for r^2 calculation Value = (Yreset)^2
2349  * @gain_scale: Parameter describing shading gain as a function of distance
2350  *		from the image center.
2351  *		A single value per frame, loaded by the driver. Default 115.
2352  */
2353 struct ipu3_uapi_anr_transform_config {
2354 	__u32 enable:1;			/* 0 or 1, disabled or enabled */
2355 	__u32 adaptive_treshhold_en:1;	/* On IPU3, always enabled */
2356 
2357 	__u32 reserved1:30;
2358 	__u8 reserved2[44];
2359 
2360 	struct ipu3_uapi_anr_alpha alpha[3];
2361 	struct ipu3_uapi_anr_beta beta[3];
2362 	struct ipu3_uapi_anr_plane_color color[3];
2363 
2364 	__u16 sqrt_lut[IPU3_UAPI_ANR_LUT_SIZE];	/* 11 bits per element */
2365 
2366 	__s16 xreset:13;
2367 	__u16 reserved3:3;
2368 	__s16 yreset:13;
2369 	__u16 reserved4:3;
2370 
2371 	__u32 x_sqr_reset:24;
2372 	__u32 r_normfactor:5;
2373 	__u32 reserved5:3;
2374 
2375 	__u32 y_sqr_reset:24;
2376 	__u32 gain_scale:8;
2377 } __packed;
2378 
2379 /**
2380  * struct ipu3_uapi_anr_stitch_pyramid - ANR stitch pyramid
2381  *
2382  * @entry0: pyramid LUT entry0, range [0x0, 0x3f]
2383  * @entry1: pyramid LUT entry1, range [0x0, 0x3f]
2384  * @entry2: pyramid LUT entry2, range [0x0, 0x3f]
2385  * @reserved: reserved
2386  */
2387 struct ipu3_uapi_anr_stitch_pyramid {
2388 	__u32 entry0:6;
2389 	__u32 entry1:6;
2390 	__u32 entry2:6;
2391 	__u32 reserved:14;
2392 } __packed;
2393 
2394 /**
2395  * struct ipu3_uapi_anr_stitch_config - ANR stitch config
2396  *
2397  * @anr_stitch_en: enable stitch. Enabled with 1.
2398  * @reserved: reserved
2399  * @pyramid: pyramid table as defined by &ipu3_uapi_anr_stitch_pyramid
2400  *		default values:
2401  *		{ 1, 3, 5 }, { 7, 7, 5 }, { 3, 1, 3 },
2402  *		{ 9, 15, 21 }, { 21, 15, 9 }, { 3, 5, 15 },
2403  *		{ 25, 35, 35 }, { 25, 15, 5 }, { 7, 21, 35 },
2404  *		{ 49, 49, 35 }, { 21, 7, 7 }, { 21, 35, 49 },
2405  *		{ 49, 35, 21 }, { 7, 5, 15 }, { 25, 35, 35 },
2406  *		{ 25, 15, 5 }, { 3, 9, 15 }, { 21, 21, 15 },
2407  *		{ 9, 3, 1 }, { 3, 5, 7 }, { 7, 5, 3}, { 1 }
2408  */
2409 struct ipu3_uapi_anr_stitch_config {
2410 	__u32 anr_stitch_en;
2411 	__u8 reserved[44];
2412 	struct ipu3_uapi_anr_stitch_pyramid pyramid[IPU3_UAPI_ANR_PYRAMID_SIZE];
2413 } __packed;
2414 
2415 /**
2416  * struct ipu3_uapi_anr_config - ANR config
2417  *
2418  * @transform:	advanced noise reduction transform config as specified by
2419  *		&ipu3_uapi_anr_transform_config
2420  * @stitch: create 4x4 patch from 4 surrounding 8x8 patches.
2421  */
2422 struct ipu3_uapi_anr_config {
2423 	struct ipu3_uapi_anr_transform_config transform __attribute__((aligned(32)));
2424 	struct ipu3_uapi_anr_stitch_config stitch __attribute__((aligned(32)));
2425 } __packed;
2426 
2427 /**
2428  * struct ipu3_uapi_acc_param - Accelerator cluster parameters
2429  *
2430  * ACC refers to the HW cluster containing all Fixed Functions (FFs). Each FF
2431  * implements a specific algorithm.
2432  *
2433  * @bnr:	parameters for bayer noise reduction static config. See
2434  *		&ipu3_uapi_bnr_static_config
2435  * @green_disparity:	disparity static config between gr and gb channel.
2436  *			See &ipu3_uapi_bnr_static_config_green_disparity
2437  * @dm:	de-mosaic config. See &ipu3_uapi_dm_config
2438  * @ccm:	color correction matrix. See &ipu3_uapi_ccm_mat_config
2439  * @gamma:	gamma correction config. See &ipu3_uapi_gamma_config
2440  * @csc:	color space conversion matrix. See &ipu3_uapi_csc_mat_config
2441  * @cds:	color down sample config. See &ipu3_uapi_cds_params
2442  * @shd:	lens shading correction config. See &ipu3_uapi_shd_config
2443  * @iefd:	Image enhancement filter and denoise config.
2444  *		&ipu3_uapi_yuvp1_iefd_config
2445  * @yds_c0:	y down scaler config. &ipu3_uapi_yuvp1_yds_config
2446  * @chnr_c0:	chroma noise reduction config. &ipu3_uapi_yuvp1_chnr_config
2447  * @y_ee_nr:	y edge enhancement and noise reduction config.
2448  *		&ipu3_uapi_yuvp1_y_ee_nr_config
2449  * @yds:	y down scaler config. See &ipu3_uapi_yuvp1_yds_config
2450  * @chnr:	chroma noise reduction config. See &ipu3_uapi_yuvp1_chnr_config
2451  * @reserved1: reserved
2452  * @yds2:	y channel down scaler config. See &ipu3_uapi_yuvp1_yds_config
2453  * @tcc:	total color correction config as defined in struct
2454  *		&ipu3_uapi_yuvp2_tcc_static_config
2455  * @reserved2: reserved
2456  * @anr:	advanced noise reduction config.See &ipu3_uapi_anr_config
2457  * @awb_fr:	AWB filter response config. See ipu3_uapi_awb_fr_config
2458  * @ae:	auto exposure config  As specified by &ipu3_uapi_ae_config
2459  * @af:	auto focus config. As specified by &ipu3_uapi_af_config
2460  * @awb:	auto white balance config. As specified by &ipu3_uapi_awb_config
2461  */
2462 struct ipu3_uapi_acc_param {
2463 	struct ipu3_uapi_bnr_static_config bnr;
2464 	struct ipu3_uapi_bnr_static_config_green_disparity
2465 				green_disparity __attribute__((aligned(32)));
2466 	struct ipu3_uapi_dm_config dm __attribute__((aligned(32)));
2467 	struct ipu3_uapi_ccm_mat_config ccm __attribute__((aligned(32)));
2468 	struct ipu3_uapi_gamma_config gamma __attribute__((aligned(32)));
2469 	struct ipu3_uapi_csc_mat_config csc __attribute__((aligned(32)));
2470 	struct ipu3_uapi_cds_params cds __attribute__((aligned(32)));
2471 	struct ipu3_uapi_shd_config shd __attribute__((aligned(32)));
2472 	struct ipu3_uapi_yuvp1_iefd_config iefd __attribute__((aligned(32)));
2473 	struct ipu3_uapi_yuvp1_yds_config yds_c0 __attribute__((aligned(32)));
2474 	struct ipu3_uapi_yuvp1_chnr_config chnr_c0 __attribute__((aligned(32)));
2475 	struct ipu3_uapi_yuvp1_y_ee_nr_config y_ee_nr __attribute__((aligned(32)));
2476 	struct ipu3_uapi_yuvp1_yds_config yds __attribute__((aligned(32)));
2477 	struct ipu3_uapi_yuvp1_chnr_config chnr __attribute__((aligned(32)));
2478 	struct ipu3_uapi_yuvp1_yds_config yds2 __attribute__((aligned(32)));
2479 	struct ipu3_uapi_yuvp2_tcc_static_config tcc __attribute__((aligned(32)));
2480 	struct ipu3_uapi_anr_config anr;
2481 	struct ipu3_uapi_awb_fr_config_s awb_fr;
2482 	struct ipu3_uapi_ae_config ae;
2483 	struct ipu3_uapi_af_config_s af;
2484 	struct ipu3_uapi_awb_config awb;
2485 } __packed;
2486 
2487 /**
2488  * struct ipu3_uapi_isp_lin_vmem_params - Linearization parameters
2489  *
2490  * @lin_lutlow_gr: linearization look-up table for GR channel interpolation.
2491  * @lin_lutlow_r: linearization look-up table for R channel interpolation.
2492  * @lin_lutlow_b: linearization look-up table for B channel interpolation.
2493  * @lin_lutlow_gb: linearization look-up table for GB channel interpolation.
2494  *			lin_lutlow_gr / lin_lutlow_r / lin_lutlow_b /
2495  *			lin_lutlow_gb <= LIN_MAX_VALUE - 1.
2496  * @lin_lutdif_gr:	lin_lutlow_gr[i+1] - lin_lutlow_gr[i].
2497  * @lin_lutdif_r:	lin_lutlow_r[i+1] - lin_lutlow_r[i].
2498  * @lin_lutdif_b:	lin_lutlow_b[i+1] - lin_lutlow_b[i].
2499  * @lin_lutdif_gb:	lin_lutlow_gb[i+1] - lin_lutlow_gb[i].
2500  */
2501 struct ipu3_uapi_isp_lin_vmem_params {
2502 	__s16 lin_lutlow_gr[IPU3_UAPI_LIN_LUT_SIZE];
2503 	__s16 lin_lutlow_r[IPU3_UAPI_LIN_LUT_SIZE];
2504 	__s16 lin_lutlow_b[IPU3_UAPI_LIN_LUT_SIZE];
2505 	__s16 lin_lutlow_gb[IPU3_UAPI_LIN_LUT_SIZE];
2506 	__s16 lin_lutdif_gr[IPU3_UAPI_LIN_LUT_SIZE];
2507 	__s16 lin_lutdif_r[IPU3_UAPI_LIN_LUT_SIZE];
2508 	__s16 lin_lutdif_b[IPU3_UAPI_LIN_LUT_SIZE];
2509 	__s16 lin_lutdif_gb[IPU3_UAPI_LIN_LUT_SIZE];
2510 } __packed;
2511 
2512 /* Temporal Noise Reduction */
2513 
2514 /**
2515  * struct ipu3_uapi_isp_tnr3_vmem_params - Temporal noise reduction vector
2516  *					   memory parameters
2517  *
2518  * @slope: slope setting in interpolation curve for temporal noise reduction.
2519  * @reserved1: reserved
2520  * @sigma: knee point setting in interpolation curve for temporal
2521  *	   noise reduction.
2522  * @reserved2: reserved
2523  */
2524 struct ipu3_uapi_isp_tnr3_vmem_params {
2525 	__u16 slope[IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2526 	__u16 reserved1[IPU3_UAPI_ISP_VEC_ELEMS
2527 						- IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2528 	__u16 sigma[IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2529 	__u16 reserved2[IPU3_UAPI_ISP_VEC_ELEMS
2530 						- IPU3_UAPI_ISP_TNR3_VMEM_LEN];
2531 } __packed;
2532 
2533 /**
2534  * struct ipu3_uapi_isp_tnr3_params - Temporal noise reduction v3 parameters
2535  *
2536  * @knee_y1: Knee point TNR3 assumes standard deviation of Y,U and
2537  *	V at Y1 are TnrY1_Sigma_Y, U and V.
2538  * @knee_y2: Knee point TNR3 assumes standard deviation of Y,U and
2539  *		V at Y2 are TnrY2_Sigma_Y, U and V.
2540  * @maxfb_y: Max feedback gain for Y
2541  * @maxfb_u: Max feedback gain for U
2542  * @maxfb_v: Max feedback gain for V
2543  * @round_adj_y: rounding Adjust for Y
2544  * @round_adj_u: rounding Adjust for U
2545  * @round_adj_v: rounding Adjust for V
2546  * @ref_buf_select: selection of the reference frame buffer to be used.
2547  */
2548 struct ipu3_uapi_isp_tnr3_params {
2549 	__u32 knee_y1;
2550 	__u32 knee_y2;
2551 	__u32 maxfb_y;
2552 	__u32 maxfb_u;
2553 	__u32 maxfb_v;
2554 	__u32 round_adj_y;
2555 	__u32 round_adj_u;
2556 	__u32 round_adj_v;
2557 	__u32 ref_buf_select;
2558 } __packed;
2559 
2560 /* Extreme Noise Reduction version 3 */
2561 
2562 /**
2563  * struct ipu3_uapi_isp_xnr3_vmem_params - Extreme noise reduction v3
2564  *					   vector memory parameters
2565  *
2566  * @x: xnr3 parameters.
2567  * @a: xnr3 parameters.
2568  * @b: xnr3 parameters.
2569  * @c: xnr3 parameters.
2570  */
2571 struct ipu3_uapi_isp_xnr3_vmem_params {
2572 	__u16 x[IPU3_UAPI_ISP_VEC_ELEMS];
2573 	__u16 a[IPU3_UAPI_ISP_VEC_ELEMS];
2574 	__u16 b[IPU3_UAPI_ISP_VEC_ELEMS];
2575 	__u16 c[IPU3_UAPI_ISP_VEC_ELEMS];
2576 } __packed;
2577 
2578 /**
2579  * struct ipu3_uapi_xnr3_alpha_params - Extreme noise reduction v3
2580  *					alpha tuning parameters
2581  *
2582  * @y0: Sigma for Y range similarity in dark area.
2583  * @u0: Sigma for U range similarity in dark area.
2584  * @v0: Sigma for V range similarity in dark area.
2585  * @ydiff: Sigma difference for Y between bright area and dark area.
2586  * @udiff: Sigma difference for U between bright area and dark area.
2587  * @vdiff: Sigma difference for V between bright area and dark area.
2588  */
2589 struct ipu3_uapi_xnr3_alpha_params {
2590 	__u32 y0;
2591 	__u32 u0;
2592 	__u32 v0;
2593 	__u32 ydiff;
2594 	__u32 udiff;
2595 	__u32 vdiff;
2596 } __packed;
2597 
2598 /**
2599  * struct ipu3_uapi_xnr3_coring_params - Extreme noise reduction v3
2600  *					 coring parameters
2601  *
2602  * @u0: Coring Threshold of U channel in dark area.
2603  * @v0: Coring Threshold of V channel in dark area.
2604  * @udiff: Threshold difference of U channel between bright and dark area.
2605  * @vdiff: Threshold difference of V channel between bright and dark area.
2606  */
2607 struct ipu3_uapi_xnr3_coring_params {
2608 	__u32 u0;
2609 	__u32 v0;
2610 	__u32 udiff;
2611 	__u32 vdiff;
2612 } __packed;
2613 
2614 /**
2615  * struct ipu3_uapi_xnr3_blending_params - Blending factor
2616  *
2617  * @strength: The factor for blending output with input. This is tuning
2618  *	      parameterHigher values lead to more aggressive XNR operation.
2619  */
2620 struct ipu3_uapi_xnr3_blending_params {
2621 	__u32 strength;
2622 } __packed;
2623 
2624 /**
2625  * struct ipu3_uapi_isp_xnr3_params - Extreme noise reduction v3 parameters
2626  *
2627  * @alpha: parameters for xnr3 alpha. See &ipu3_uapi_xnr3_alpha_params
2628  * @coring: parameters for xnr3 coring. See &ipu3_uapi_xnr3_coring_params
2629  * @blending: parameters for xnr3 blending. See &ipu3_uapi_xnr3_blending_params
2630  */
2631 struct ipu3_uapi_isp_xnr3_params {
2632 	struct ipu3_uapi_xnr3_alpha_params alpha;
2633 	struct ipu3_uapi_xnr3_coring_params coring;
2634 	struct ipu3_uapi_xnr3_blending_params blending;
2635 } __packed;
2636 
2637 /***** Obgrid (optical black level compensation) table entry *****/
2638 
2639 /**
2640  * struct ipu3_uapi_obgrid_param - Optical black level compensation parameters
2641  *
2642  * @gr: Grid table values for color GR
2643  * @r: Grid table values for color R
2644  * @b: Grid table values for color B
2645  * @gb: Grid table values for color GB
2646  *
2647  * Black level is different for red, green, and blue channels. So black level
2648  * compensation is different per channel.
2649  */
2650 struct ipu3_uapi_obgrid_param {
2651 	__u16 gr;
2652 	__u16 r;
2653 	__u16 b;
2654 	__u16 gb;
2655 } __packed;
2656 
2657 /******************* V4L2_META_FMT_IPU3_PARAMS *******************/
2658 
2659 /**
2660  * struct ipu3_uapi_flags - bits to indicate which pipeline needs update
2661  *
2662  * @gdc: 0 = no update, 1 = update.
2663  * @obgrid: 0 = no update, 1 = update.
2664  * @reserved1: Not used.
2665  * @acc_bnr: 0 = no update, 1 = update.
2666  * @acc_green_disparity: 0 = no update, 1 = update.
2667  * @acc_dm: 0 = no update, 1 = update.
2668  * @acc_ccm: 0 = no update, 1 = update.
2669  * @acc_gamma: 0 = no update, 1 = update.
2670  * @acc_csc: 0 = no update, 1 = update.
2671  * @acc_cds: 0 = no update, 1 = update.
2672  * @acc_shd: 0 = no update, 1 = update.
2673  * @reserved2: Not used.
2674  * @acc_iefd: 0 = no update, 1 = update.
2675  * @acc_yds_c0: 0 = no update, 1 = update.
2676  * @acc_chnr_c0: 0 = no update, 1 = update.
2677  * @acc_y_ee_nr: 0 = no update, 1 = update.
2678  * @acc_yds: 0 = no update, 1 = update.
2679  * @acc_chnr: 0 = no update, 1 = update.
2680  * @acc_ytm: 0 = no update, 1 = update.
2681  * @acc_yds2: 0 = no update, 1 = update.
2682  * @acc_tcc: 0 = no update, 1 = update.
2683  * @acc_dpc: 0 = no update, 1 = update.
2684  * @acc_bds: 0 = no update, 1 = update.
2685  * @acc_anr: 0 = no update, 1 = update.
2686  * @acc_awb_fr: 0 = no update, 1 = update.
2687  * @acc_ae: 0 = no update, 1 = update.
2688  * @acc_af: 0 = no update, 1 = update.
2689  * @acc_awb: 0 = no update, 1 = update.
2690  * @__acc_osys: 0 = no update, 1 = update.
2691  * @reserved3: Not used.
2692  * @lin_vmem_params: 0 = no update, 1 = update.
2693  * @tnr3_vmem_params: 0 = no update, 1 = update.
2694  * @xnr3_vmem_params: 0 = no update, 1 = update.
2695  * @tnr3_dmem_params: 0 = no update, 1 = update.
2696  * @xnr3_dmem_params: 0 = no update, 1 = update.
2697  * @reserved4: Not used.
2698  * @obgrid_param: 0 = no update, 1 = update.
2699  * @reserved5: Not used.
2700  */
2701 struct ipu3_uapi_flags {
2702 	__u32 gdc:1;
2703 	__u32 obgrid:1;
2704 	__u32 reserved1:30;
2705 
2706 	__u32 acc_bnr:1;
2707 	__u32 acc_green_disparity:1;
2708 	__u32 acc_dm:1;
2709 	__u32 acc_ccm:1;
2710 	__u32 acc_gamma:1;
2711 	__u32 acc_csc:1;
2712 	__u32 acc_cds:1;
2713 	__u32 acc_shd:1;
2714 	__u32 reserved2:2;
2715 	__u32 acc_iefd:1;
2716 	__u32 acc_yds_c0:1;
2717 	__u32 acc_chnr_c0:1;
2718 	__u32 acc_y_ee_nr:1;
2719 	__u32 acc_yds:1;
2720 	__u32 acc_chnr:1;
2721 	__u32 acc_ytm:1;
2722 	__u32 acc_yds2:1;
2723 	__u32 acc_tcc:1;
2724 	__u32 acc_dpc:1;
2725 	__u32 acc_bds:1;
2726 	__u32 acc_anr:1;
2727 	__u32 acc_awb_fr:1;
2728 	__u32 acc_ae:1;
2729 	__u32 acc_af:1;
2730 	__u32 acc_awb:1;
2731 	__u32 reserved3:4;
2732 
2733 	__u32 lin_vmem_params:1;
2734 	__u32 tnr3_vmem_params:1;
2735 	__u32 xnr3_vmem_params:1;
2736 	__u32 tnr3_dmem_params:1;
2737 	__u32 xnr3_dmem_params:1;
2738 	__u32 reserved4:1;
2739 	__u32 obgrid_param:1;
2740 	__u32 reserved5:25;
2741 } __packed;
2742 
2743 /**
2744  * struct ipu3_uapi_params - V4L2_META_FMT_IPU3_PARAMS
2745  *
2746  * @use:	select which parameters to apply, see &ipu3_uapi_flags
2747  * @acc_param:	ACC parameters, as specified by &ipu3_uapi_acc_param
2748  * @lin_vmem_params:	linearization VMEM, as specified by
2749  *			&ipu3_uapi_isp_lin_vmem_params
2750  * @tnr3_vmem_params:	tnr3 VMEM as specified by
2751  *			&ipu3_uapi_isp_tnr3_vmem_params
2752  * @xnr3_vmem_params:	xnr3 VMEM as specified by
2753  *			&ipu3_uapi_isp_xnr3_vmem_params
2754  * @tnr3_dmem_params:	tnr3 DMEM as specified by &ipu3_uapi_isp_tnr3_params
2755  * @xnr3_dmem_params:	xnr3 DMEM as specified by &ipu3_uapi_isp_xnr3_params
2756  * @obgrid_param:	obgrid parameters as specified by
2757  *			&ipu3_uapi_obgrid_param
2758  *
2759  * The video queue "parameters" is of format V4L2_META_FMT_IPU3_PARAMS.
2760  * This is a "single plane" v4l2_meta_format using V4L2_BUF_TYPE_META_OUTPUT.
2761  *
2762  * struct ipu3_uapi_params as defined below contains a lot of parameters and
2763  * ipu3_uapi_flags selects which parameters to apply.
2764  */
2765 struct ipu3_uapi_params {
2766 	/* Flags which of the settings below are to be applied */
2767 	struct ipu3_uapi_flags use __attribute__((aligned(32)));
2768 
2769 	/* Accelerator cluster parameters */
2770 	struct ipu3_uapi_acc_param acc_param;
2771 
2772 	/* ISP vector address space parameters */
2773 	struct ipu3_uapi_isp_lin_vmem_params lin_vmem_params;
2774 	struct ipu3_uapi_isp_tnr3_vmem_params tnr3_vmem_params;
2775 	struct ipu3_uapi_isp_xnr3_vmem_params xnr3_vmem_params;
2776 
2777 	/* ISP data memory (DMEM) parameters */
2778 	struct ipu3_uapi_isp_tnr3_params tnr3_dmem_params;
2779 	struct ipu3_uapi_isp_xnr3_params xnr3_dmem_params;
2780 
2781 	/* Optical black level compensation */
2782 	struct ipu3_uapi_obgrid_param obgrid_param;
2783 } __packed;
2784 
2785 #endif /* __IPU3_UAPI_H */
2786