libisp.h File Reference

#include "reg_avi.h"
#include "modules/computer_vision/lib/v4l/v4l2.h"

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Data Structures
struct	libisp_context
struct	libisp_config
struct	isp_yuv_stats_t

Macros
#define	AVI_DEFINE_NODE(EXPANDER)
#define	EXPAND_AS_ENUM(_node)   _node,
#define	EXPAND_AS_PROTOTYPE(_node)

Enumerations
enum	{ ISP_NODE_NR }

Functions
int	configure_isp (struct v4l2_device *dev)
int	isp_get_statistics_yuv (struct isp_yuv_stats_t *yuv_stats)
int	isp_request_statistics_yuv_window (uint16_t x_start, uint16_t x_end, uint16_t y_start, uint16_t y_end, uint16_t x_odd_inc, uint16_t y_odd_inc)

---

Data Structure Documentation

libisp_context

struct libisp_context

Definition at line 50 of file libisp.h.

Data Fields
unsigned long	avi_base
int	devmem
unsigned	offsets[ISP_NODE_NR]

libisp_config

struct libisp_config

Definition at line 57 of file libisp.h.

Collaboration diagram for libisp_config:

Data Fields
struct avi_isp_bayer_regs	bayer	< Chromatic abberation (Disabled for now) Demosaicking parameters
struct avi_isp_chain_bayer_inter_regs	bayer_inter	Enable or disable bayer ISP functions by bypassing them.
struct avi_isp_chain_yuv_inter_regs	chain_yuv_inter	YUV chain bypass configuration (enable/disable features)
struct avi_isp_chroma_regs	chroma	Color space conversion.
struct avi_isp_color_correction_regs	color_correction	Color correction parameters.
struct avi_isp_dead_pixel_correction_regs	dead_pixel_correction	Dead pixel correction (disabled)
struct avi_isp_denoising_regs	denoising	Denoising parameters.
struct avi_isp_edge_enhancement_color_reduction_filter_regs	eecrf	Edge enhancement + Color reduction.
struct avi_isp_edge_enhancement_color_reduction_filter_ee_lut_regs	eecrf_lut	Edge enhancement + Color correction lut.
struct avi_isp_gamma_corrector_regs	gamma_corrector	Gamma corrector (Curves)
struct avi_isp_gamma_corrector_bv_lut_regs	gc_bv_lut	Gamma corrector BV lut.
struct avi_isp_gamma_corrector_gu_lut_regs	gc_gu_lut	Gamma corrector GU lut.
struct avi_isp_gamma_corrector_ry_lut_regs	gc_ry_lut	Gamma corrector RY lut.
struct avi_isp_green_imbalance_regs	green_imbalance	Green imbalance correction.
struct avi_isp_green_imbalance_green_blue_coeff_mem_regs	grim_gb	Green imbalance GB coefficients.
struct avi_isp_green_imbalance_green_red_coeff_mem_regs	grim_gr	Green imbalance GR coefficients.
struct avi_isp_lens_shading_correction_regs	lens_shading_correction	Lens shade correction.
struct avi_isp_lens_shading_correction_blue_coeff_mem_regs	lsc_blue_coeffs	Lens shade correction blue coefficients.
struct avi_isp_lens_shading_correction_green_coeff_mem_regs	lsc_green_coeffs	Lens shade correction green coefficients.
struct avi_isp_lens_shading_correction_red_coeff_mem_regs	lsc_red_coeffs	Lens shade correction red coefficients.
struct avi_isp_pedestal_regs	pedestal	Pedestral parameters (substract from pixels)
struct avi_isp_statistics_bayer_regs	statistics_bayer	Statistics bayer parameters.
struct avi_isp_statistics_yuv_regs	statistics_yuv	YUV statistics parameters.
struct avi_isp_vlformat_32to40_regs	vlformat_32to40	Conversion factor (10bit to 10bit default)
struct avi_isp_vlformat_40to32_regs	vlformat_40to32	Conversion factor (10bit to 10bit default)

isp_yuv_stats_t

struct isp_yuv_stats_t

Definition at line 91 of file libisp.h.

Data Fields
uint32_t	ae_histogram_Y[256]
uint32_t	awb_nb_grey_pixels
uint32_t	awb_sum_U
uint32_t	awb_sum_V
uint32_t	awb_sum_Y
uint32_t	nb_valid_Y

Macro Definition Documentation

AVI_DEFINE_NODE

#define AVI_DEFINE_NODE

(

EXPANDER

)

Definition at line 7 of file libisp.h.

EXPAND_AS_ENUM

#define EXPAND_AS_ENUM

(

_node

)

_node,

Definition at line 41 of file libisp.h.

EXPAND_AS_PROTOTYPE

#define EXPAND_AS_PROTOTYPE

(

_node

)

Value:

  void avi_isp_ ## _node ## _set_registers(struct libisp_context *, \
      struct avi_isp_ ## _node ## _regs const *regs);   \
  void avi_isp_ ## _node ## _get_registers(struct libisp_context *, \
      struct avi_isp_ ## _node ## _regs *regs);

Definition at line 106 of file libisp.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
ISP_NODE_NR

Definition at line 44 of file libisp.h.

Function Documentation

configure_isp()

int configure_isp

(

struct v4l2_device *

dev

)

Definition at line 177 of file libisp.c.

References libisp_config::bayer, libisp_config::bayer_inter, libisp_config::chain_yuv_inter, libisp_config::chroma, libisp_config::color_correction, libisp_config::dead_pixel_correction, libisp_config::denoising, dev, libisp_config::eecrf, libisp_config::eecrf_lut, libisp_config::gamma_corrector, libisp_config::gc_bv_lut, libisp_config::gc_gu_lut, libisp_config::gc_ry_lut, libisp_config::green_imbalance, libisp_config::grim_gb, libisp_config::grim_gr, isp_config, isp_ctx, libisp_config::lens_shading_correction, libisp_config::lsc_blue_coeffs, libisp_config::lsc_green_coeffs, libisp_config::lsc_red_coeffs, open_isp_fd(), libisp_config::pedestal, libisp_config::statistics_bayer, libisp_config::statistics_yuv, libisp_config::vlformat_32to40, and libisp_config::vlformat_40to32.

Referenced by video_thread_function().

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isp_get_statistics_yuv()

int isp_get_statistics_yuv

(

struct isp_yuv_stats_t *

yuv_stats

)

Definition at line 261 of file libisp.c.

References isp_yuv_stats_t::ae_histogram_Y, avi_isp_statistics_yuv_ae_histogram_y_regs::ae_histogram_y, avi_isp_statistics_yuv_regs::ae_nb_valid_y, AVI_ISP_STAT_YUV_MAX_WAIT, isp_yuv_stats_t::awb_nb_grey_pixels, avi_isp_statistics_yuv_regs::awb_nb_grey_pixels, isp_yuv_stats_t::awb_sum_U, avi_isp_statistics_yuv_regs::awb_sum_u, isp_yuv_stats_t::awb_sum_V, avi_isp_statistics_yuv_regs::awb_sum_v, isp_yuv_stats_t::awb_sum_Y, avi_isp_statistics_yuv_regs::awb_sum_y, curWait, libisp_context::devmem, isp_config, isp_ctx, isp_set_statistics_yuv_window(), avi_isp_statistics_yuv_regs::measure_req, avi_isp_statistics_yuv_regs::measure_status, isp_yuv_stats_t::nb_valid_Y, libisp_config::statistics_yuv, and VERBOSE_PRINT.

Referenced by update_ae_awb().

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isp_request_statistics_yuv_window()

int isp_request_statistics_yuv_window	(	uint16_t	x_start,
		uint16_t	x_end,
		uint16_t	y_start,
		uint16_t	y_end,
		uint16_t	x_odd_inc,
		uint16_t	y_odd_inc
	)

Definition at line 214 of file libisp.c.

References requestWindow, and VERBOSE_PRINT.

Referenced by mt9f002_init(), and mt9f002_setting_update_resolution().

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