isif.h 14.6 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531
/*
 * Copyright (C) 2008-2009 Texas Instruments Inc
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * isif header file
 */
#ifndef _ISIF_H
#define _ISIF_H

#include <media/davinci/ccdc_types.h>
#include <media/davinci/vpfe_types.h>

/* isif float type S8Q8/U8Q8 */
struct isif_float_8 {
	/* 8 bit integer part */
	__u8 integer;
	/* 8 bit decimal part */
	__u8 decimal;
};

/* isif float type U16Q16/S16Q16 */
struct isif_float_16 {
	/* 16 bit integer part */
	__u16 integer;
	/* 16 bit decimal part */
	__u16 decimal;
};

/************************************************************************
 *   Vertical Defect Correction parameters
 ***********************************************************************/
/* Defect Correction (DFC) table entry */
struct isif_vdfc_entry {
	/* vertical position of defect */
	__u16 pos_vert;
	/* horizontal position of defect */
	__u16 pos_horz;
	/*
	 * Defect level of Vertical line defect position. This is subtracted
	 * from the data at the defect position
	 */
	__u8 level_at_pos;
	/*
	 * Defect level of the pixels upper than the vertical line defect.
	 * This is subtracted from the data
	 */
	__u8 level_up_pixels;
	/*
	 * Defect level of the pixels lower than the vertical line defect.
	 * This is subtracted from the data
	 */
	__u8 level_low_pixels;
};

#define ISIF_VDFC_TABLE_SIZE		8
struct isif_dfc {
	/* enable vertical defect correction */
	__u8 en;
	/* Defect level subtraction. Just fed through if saturating */
#define	ISIF_VDFC_NORMAL		0
	/*
	 * Defect level subtraction. Horizontal interpolation ((i-2)+(i+2))/2
	 * if data saturating
	 */
#define ISIF_VDFC_HORZ_INTERPOL_IF_SAT	1
	/* Horizontal interpolation (((i-2)+(i+2))/2) */
#define	ISIF_VDFC_HORZ_INTERPOL		2
	/* one of the vertical defect correction modes above */
	__u8 corr_mode;
	/* 0 - whole line corrected, 1 - not pixels upper than the defect */
	__u8 corr_whole_line;
#define ISIF_VDFC_NO_SHIFT		0
#define ISIF_VDFC_SHIFT_1		1
#define ISIF_VDFC_SHIFT_2		2
#define ISIF_VDFC_SHIFT_3		3
#define ISIF_VDFC_SHIFT_4		4
	/*
	 * defect level shift value. level_at_pos, level_upper_pos,
	 * and level_lower_pos can be shifted up by this value. Choose
	 * one of the values above
	 */
	__u8 def_level_shift;
	/* defect saturation level */
	__u16 def_sat_level;
	/* number of vertical defects. Max is ISIF_VDFC_TABLE_SIZE */
	__u16 num_vdefects;
	/* VDFC table ptr */
	struct isif_vdfc_entry table[ISIF_VDFC_TABLE_SIZE];
};

struct isif_horz_bclamp {

	/* Horizontal clamp disabled. Only vertical clamp value is subtracted */
#define	ISIF_HORZ_BC_DISABLE		0
	/*
	 * Horizontal clamp value is calculated and subtracted from image data
	 * along with vertical clamp value
	 */
#define ISIF_HORZ_BC_CLAMP_CALC_ENABLED	1
	/*
	 * Horizontal clamp value calculated from previous image is subtracted
	 * from image data along with vertical clamp value.
	 */
#define ISIF_HORZ_BC_CLAMP_NOT_UPDATED	2
	/* horizontal clamp mode. One of the values above */
	__u8 mode;
	/*
	 * pixel value limit enable.
	 *  0 - limit disabled
	 *  1 - pixel value limited to 1023
	 */
	__u8 clamp_pix_limit;
	/* Select Most left window for bc calculation */
#define	ISIF_SEL_MOST_LEFT_WIN		0
	/* Select Most right window for bc calculation */
#define ISIF_SEL_MOST_RIGHT_WIN		1
	/* Select most left or right window for clamp val calculation */
	__u8 base_win_sel_calc;
	/* Window count per color for calculation. range 1-32 */
	__u8 win_count_calc;
	/* Window start position - horizontal for calculation. 0 - 8191 */
	__u16 win_start_h_calc;
	/* Window start position - vertical for calculation 0 - 8191 */
	__u16 win_start_v_calc;
#define ISIF_HORZ_BC_SZ_H_2PIXELS	0
#define ISIF_HORZ_BC_SZ_H_4PIXELS	1
#define ISIF_HORZ_BC_SZ_H_8PIXELS	2
#define ISIF_HORZ_BC_SZ_H_16PIXELS	3
	/* Width of the sample window in pixels for calculation */
	__u8 win_h_sz_calc;
#define ISIF_HORZ_BC_SZ_V_32PIXELS	0
#define ISIF_HORZ_BC_SZ_V_64PIXELS	1
#define	ISIF_HORZ_BC_SZ_V_128PIXELS	2
#define ISIF_HORZ_BC_SZ_V_256PIXELS	3
	/* Height of the sample window in pixels for calculation */
	__u8 win_v_sz_calc;
};

/************************************************************************
 *  Black Clamp parameters
 ***********************************************************************/
struct isif_vert_bclamp {
	/* Reset value used is the clamp value calculated */
#define	ISIF_VERT_BC_USE_HORZ_CLAMP_VAL		0
	/* Reset value used is reset_clamp_val configured */
#define	ISIF_VERT_BC_USE_CONFIG_CLAMP_VAL	1
	/* No update, previous image value is used */
#define	ISIF_VERT_BC_NO_UPDATE			2
	/*
	 * Reset value selector for vertical clamp calculation. Use one of
	 * the above values
	 */
	__u8 reset_val_sel;
	/* U8Q8. Line average coefficient used in vertical clamp calculation */
	__u8 line_ave_coef;
	/* Height of the optical black region for calculation */
	__u16 ob_v_sz_calc;
	/* Optical black region start position - horizontal. 0 - 8191 */
	__u16 ob_start_h;
	/* Optical black region start position - vertical 0 - 8191 */
	__u16 ob_start_v;
};

struct isif_black_clamp {
	/*
	 * This offset value is added irrespective of the clamp enable status.
	 * S13
	 */
	__u16 dc_offset;
	/*
	 * Enable black/digital clamp value to be subtracted from the image data
	 */
	__u8 en;
	/*
	 * black clamp mode. same/separate clamp for 4 colors
	 * 0 - disable - same clamp value for all colors
	 * 1 - clamp value calculated separately for all colors
	 */
	__u8 bc_mode_color;
	/* Vrtical start position for bc subtraction */
	__u16 vert_start_sub;
	/* Black clamp for horizontal direction */
	struct isif_horz_bclamp horz;
	/* Black clamp for vertical direction */
	struct isif_vert_bclamp vert;
};

/*************************************************************************
** Color Space Conversion (CSC)
*************************************************************************/
#define ISIF_CSC_NUM_COEFF	16
struct isif_color_space_conv {
	/* Enable color space conversion */
	__u8 en;
	/*
	 * csc coeffient table. S8Q5, M00 at index 0, M01 at index 1, and
	 * so forth
	 */
	struct isif_float_8 coeff[ISIF_CSC_NUM_COEFF];
};


/*************************************************************************
**  Black  Compensation parameters
*************************************************************************/
struct isif_black_comp {
	/* Comp for Red */
	__s8 r_comp;
	/* Comp for Gr */
	__s8 gr_comp;
	/* Comp for Blue */
	__s8 b_comp;
	/* Comp for Gb */
	__s8 gb_comp;
};

/*************************************************************************
**  Gain parameters
*************************************************************************/
struct isif_gain {
	/* Gain for Red or ye */
	struct isif_float_16 r_ye;
	/* Gain for Gr or cy */
	struct isif_float_16 gr_cy;
	/* Gain for Gb or g */
	struct isif_float_16 gb_g;
	/* Gain for Blue or mg */
	struct isif_float_16 b_mg;
};

#define ISIF_LINEAR_TAB_SIZE	192
/*************************************************************************
**  Linearization parameters
*************************************************************************/
struct isif_linearize {
	/* Enable or Disable linearization of data */
	__u8 en;
	/* Shift value applied */
	__u8 corr_shft;
	/* scale factor applied U11Q10 */
	struct isif_float_16 scale_fact;
	/* Size of the linear table */
	__u16 table[ISIF_LINEAR_TAB_SIZE];
};

/* Color patterns */
#define ISIF_RED	0
#define	ISIF_GREEN_RED	1
#define ISIF_GREEN_BLUE	2
#define ISIF_BLUE	3
struct isif_col_pat {
	__u8 olop;
	__u8 olep;
	__u8 elop;
	__u8 elep;
};

/*************************************************************************
**  Data formatter parameters
*************************************************************************/
struct isif_fmtplen {
	/*
	 * number of program entries for SET0, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	__u16 plen0;
	/*
	 * number of program entries for SET1, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	__u16 plen1;
	/**
	 * number of program entries for SET2, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	__u16 plen2;
	/**
	 * number of program entries for SET3, range 1 - 16
	 * when fmtmode is ISIF_SPLIT, 1 - 8 when fmtmode is
	 * ISIF_COMBINE
	 */
	__u16 plen3;
};

struct isif_fmt_cfg {
#define ISIF_SPLIT		0
#define ISIF_COMBINE		1
	/* Split or combine or line alternate */
	__u8 fmtmode;
	/* enable or disable line alternating mode */
	__u8 ln_alter_en;
#define ISIF_1LINE		0
#define	ISIF_2LINES		1
#define	ISIF_3LINES		2
#define	ISIF_4LINES		3
	/* Split/combine line number */
	__u8 lnum;
	/* Address increment Range 1 - 16 */
	__u8 addrinc;
};

struct isif_fmt_addr_ptr {
	/* Initial address */
	__u32 init_addr;
	/* output line number */
#define ISIF_1STLINE		0
#define	ISIF_2NDLINE		1
#define	ISIF_3RDLINE		2
#define	ISIF_4THLINE		3
	__u8 out_line;
};

struct isif_fmtpgm_ap {
	/* program address pointer */
	__u8 pgm_aptr;
	/* program address increment or decrement */
	__u8 pgmupdt;
};

struct isif_data_formatter {
	/* Enable/Disable data formatter */
	__u8 en;
	/* data formatter configuration */
	struct isif_fmt_cfg cfg;
	/* Formatter program entries length */
	struct isif_fmtplen plen;
	/* first pixel in a line fed to formatter */
	__u16 fmtrlen;
	/* HD interval for output line. Only valid when split line */
	__u16 fmthcnt;
	/* formatter address pointers */
	struct isif_fmt_addr_ptr fmtaddr_ptr[16];
	/* program enable/disable */
	__u8 pgm_en[32];
	/* program address pointers */
	struct isif_fmtpgm_ap fmtpgm_ap[32];
};

struct isif_df_csc {
	/* Color Space Conversion confguration, 0 - csc, 1 - df */
	__u8 df_or_csc;
	/* csc configuration valid if df_or_csc is 0 */
	struct isif_color_space_conv csc;
	/* data formatter configuration valid if df_or_csc is 1 */
	struct isif_data_formatter df;
	/* start pixel in a line at the input */
	__u32 start_pix;
	/* number of pixels in input line */
	__u32 num_pixels;
	/* start line at the input */
	__u32 start_line;
	/* number of lines at the input */
	__u32 num_lines;
};

struct isif_gain_offsets_adj {
	/* Gain adjustment per color */
	struct isif_gain gain;
	/* Offset adjustment */
	__u16 offset;
	/* Enable or Disable Gain adjustment for SDRAM data */
	__u8 gain_sdram_en;
	/* Enable or Disable Gain adjustment for IPIPE data */
	__u8 gain_ipipe_en;
	/* Enable or Disable Gain adjustment for H3A data */
	__u8 gain_h3a_en;
	/* Enable or Disable Gain adjustment for SDRAM data */
	__u8 offset_sdram_en;
	/* Enable or Disable Gain adjustment for IPIPE data */
	__u8 offset_ipipe_en;
	/* Enable or Disable Gain adjustment for H3A data */
	__u8 offset_h3a_en;
};

struct isif_cul {
	/* Horizontal Cull pattern for odd lines */
	__u8 hcpat_odd;
	/* Horizontal Cull pattern for even lines */
	__u8 hcpat_even;
	/* Vertical Cull pattern */
	__u8 vcpat;
	/* Enable or disable lpf. Apply when cull is enabled */
	__u8 en_lpf;
};

struct isif_compress {
#define ISIF_ALAW		0
#define ISIF_DPCM		1
#define ISIF_NO_COMPRESSION	2
	/* Compression Algorithm used */
	__u8 alg;
	/* Choose Predictor1 for DPCM compression */
#define ISIF_DPCM_PRED1		0
	/* Choose Predictor2 for DPCM compression */
#define ISIF_DPCM_PRED2		1
	/* Predictor for DPCM compression */
	__u8 pred;
};

/* all the stuff in this struct will be provided by userland */
struct isif_config_params_raw {
	/* Linearization parameters for image sensor data input */
	struct isif_linearize linearize;
	/* Data formatter or CSC */
	struct isif_df_csc df_csc;
	/* Defect Pixel Correction (DFC) confguration */
	struct isif_dfc dfc;
	/* Black/Digital Clamp configuration */
	struct isif_black_clamp bclamp;
	/* Gain, offset adjustments */
	struct isif_gain_offsets_adj gain_offset;
	/* Culling */
	struct isif_cul culling;
	/* A-Law and DPCM compression options */
	struct isif_compress compress;
	/* horizontal offset for Gain/LSC/DFC */
	__u16 horz_offset;
	/* vertical offset for Gain/LSC/DFC */
	__u16 vert_offset;
	/* color pattern for field 0 */
	struct isif_col_pat col_pat_field0;
	/* color pattern for field 1 */
	struct isif_col_pat col_pat_field1;
#define ISIF_NO_SHIFT		0
#define	ISIF_1BIT_SHIFT		1
#define	ISIF_2BIT_SHIFT		2
#define	ISIF_3BIT_SHIFT		3
#define	ISIF_4BIT_SHIFT		4
#define ISIF_5BIT_SHIFT		5
#define ISIF_6BIT_SHIFT		6
	/* Data shift applied before storing to SDRAM */
	__u8 data_shift;
	/* enable input test pattern generation */
	__u8 test_pat_gen;
};

#ifdef __KERNEL__
struct isif_ycbcr_config {
	/* isif pixel format */
	enum ccdc_pixfmt pix_fmt;
	/* isif frame format */
	enum ccdc_frmfmt frm_fmt;
	/* ISIF crop window */
	struct v4l2_rect win;
	/* field polarity */
	enum vpfe_pin_pol fid_pol;
	/* interface VD polarity */
	enum vpfe_pin_pol vd_pol;
	/* interface HD polarity */
	enum vpfe_pin_pol hd_pol;
	/* isif pix order. Only used for ycbcr capture */
	enum ccdc_pixorder pix_order;
	/* isif buffer type. Only used for ycbcr capture */
	enum ccdc_buftype buf_type;
};

/* MSB of image data connected to sensor port */
enum isif_data_msb {
	ISIF_BIT_MSB_15,
	ISIF_BIT_MSB_14,
	ISIF_BIT_MSB_13,
	ISIF_BIT_MSB_12,
	ISIF_BIT_MSB_11,
	ISIF_BIT_MSB_10,
	ISIF_BIT_MSB_9,
	ISIF_BIT_MSB_8,
	ISIF_BIT_MSB_7
};

enum isif_cfa_pattern {
	ISIF_CFA_PAT_MOSAIC,
	ISIF_CFA_PAT_STRIPE
};

struct isif_params_raw {
	/* isif pixel format */
	enum ccdc_pixfmt pix_fmt;
	/* isif frame format */
	enum ccdc_frmfmt frm_fmt;
	/* video window */
	struct v4l2_rect win;
	/* field polarity */
	enum vpfe_pin_pol fid_pol;
	/* interface VD polarity */
	enum vpfe_pin_pol vd_pol;
	/* interface HD polarity */
	enum vpfe_pin_pol hd_pol;
	/* buffer type. Applicable for interlaced mode */
	enum ccdc_buftype buf_type;
	/* Gain values */
	struct isif_gain gain;
	/* cfa pattern */
	enum isif_cfa_pattern cfa_pat;
	/* Data MSB position */
	enum isif_data_msb data_msb;
	/* Enable horizontal flip */
	unsigned char horz_flip_en;
	/* Enable image invert vertically */
	unsigned char image_invert_en;

	/* all the userland defined stuff*/
	struct isif_config_params_raw config_params;
};

enum isif_data_pack {
	ISIF_PACK_16BIT,
	ISIF_PACK_12BIT,
	ISIF_PACK_8BIT
};

#define ISIF_WIN_NTSC				{0, 0, 720, 480}
#define ISIF_WIN_VGA				{0, 0, 640, 480}

#endif
#endif