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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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* omap3isp.h

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* TI OMAP3 ISP - User-space API

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* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

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* Sakari Ailus <sakari.ailus@iki.fi>

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* This program is free software; you can redistribute it and/or modify

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* it under the terms of the GNU General Public License version 2 as

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* published by the Free Software Foundation.

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* This program is distributed in the hope that it will be useful, but

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* WITHOUT ANY WARRANTY; without even the implied warranty of

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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

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* General Public License for more details.

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* You should have received a copy of the GNU General Public License

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* along with this program; if not, write to the Free Software

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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA

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* 02110-1301 USA

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#ifndef OMAP3_ISP_USER_H

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#define OMAP3_ISP_USER_H

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#include <linux/types.h>

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#include <linux/videodev2.h>

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* Private IOCTLs

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* VIDIOC_OMAP3ISP_CCDC_CFG: Set CCDC configuration

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* VIDIOC_OMAP3ISP_PRV_CFG: Set preview engine configuration

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* VIDIOC_OMAP3ISP_AEWB_CFG: Set AEWB module configuration

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* VIDIOC_OMAP3ISP_HIST_CFG: Set histogram module configuration

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* VIDIOC_OMAP3ISP_AF_CFG: Set auto-focus module configuration

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* VIDIOC_OMAP3ISP_STAT_REQ: Read statistics (AEWB/AF/histogram) data

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* VIDIOC_OMAP3ISP_STAT_EN: Enable/disable a statistics module

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#define VIDIOC_OMAP3ISP_CCDC_CFG \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct omap3isp_ccdc_update_config)

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#define VIDIOC_OMAP3ISP_PRV_CFG \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 2, struct omap3isp_prev_update_config)

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#define VIDIOC_OMAP3ISP_AEWB_CFG \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 3, struct omap3isp_h3a_aewb_config)

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#define VIDIOC_OMAP3ISP_HIST_CFG \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 4, struct omap3isp_hist_config)

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#define VIDIOC_OMAP3ISP_AF_CFG \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 5, struct omap3isp_h3a_af_config)

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#define VIDIOC_OMAP3ISP_STAT_REQ \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 6, struct omap3isp_stat_data)

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#define VIDIOC_OMAP3ISP_STAT_REQ_TIME32 \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 6, struct omap3isp_stat_data_time32)

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#define VIDIOC_OMAP3ISP_STAT_EN \

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_IOWR('V', BASE_VIDIOC_PRIVATE + 7, unsigned long)

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* Events

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* V4L2_EVENT_OMAP3ISP_AEWB: AEWB statistics data ready

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* V4L2_EVENT_OMAP3ISP_AF: AF statistics data ready

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* V4L2_EVENT_OMAP3ISP_HIST: Histogram statistics data ready

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#define V4L2_EVENT_OMAP3ISP_CLASS (V4L2_EVENT_PRIVATE_START | 0x100)

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#define V4L2_EVENT_OMAP3ISP_AEWB (V4L2_EVENT_OMAP3ISP_CLASS | 0x1)

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#define V4L2_EVENT_OMAP3ISP_AF (V4L2_EVENT_OMAP3ISP_CLASS | 0x2)

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#define V4L2_EVENT_OMAP3ISP_HIST (V4L2_EVENT_OMAP3ISP_CLASS | 0x3)

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struct omap3isp_stat_event_status {

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__u32 frame_number;

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__u16 config_counter;

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__u8 buf_err;

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};

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/* AE/AWB related structures and flags*/

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/* H3A Range Constants */

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#define OMAP3ISP_AEWB_MAX_SATURATION_LIM 1023

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#define OMAP3ISP_AEWB_MIN_WIN_H 2

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#define OMAP3ISP_AEWB_MAX_WIN_H 256

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#define OMAP3ISP_AEWB_MIN_WIN_W 6

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#define OMAP3ISP_AEWB_MAX_WIN_W 256

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#define OMAP3ISP_AEWB_MIN_WINVC 1

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#define OMAP3ISP_AEWB_MIN_WINHC 1

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#define OMAP3ISP_AEWB_MAX_WINVC 128

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#define OMAP3ISP_AEWB_MAX_WINHC 36

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#define OMAP3ISP_AEWB_MAX_WINSTART 4095

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#define OMAP3ISP_AEWB_MIN_SUB_INC 2

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#define OMAP3ISP_AEWB_MAX_SUB_INC 32

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#define OMAP3ISP_AEWB_MAX_BUF_SIZE 83600

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#define OMAP3ISP_AF_IIRSH_MIN 0

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#define OMAP3ISP_AF_IIRSH_MAX 4095

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#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN 1

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#define OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MAX 36

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#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN 1

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#define OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MAX 128

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#define OMAP3ISP_AF_PAXEL_INCREMENT_MIN 2

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#define OMAP3ISP_AF_PAXEL_INCREMENT_MAX 32

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#define OMAP3ISP_AF_PAXEL_HEIGHT_MIN 2

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#define OMAP3ISP_AF_PAXEL_HEIGHT_MAX 256

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#define OMAP3ISP_AF_PAXEL_WIDTH_MIN 16

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#define OMAP3ISP_AF_PAXEL_WIDTH_MAX 256

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#define OMAP3ISP_AF_PAXEL_HZSTART_MIN 1

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#define OMAP3ISP_AF_PAXEL_HZSTART_MAX 4095

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#define OMAP3ISP_AF_PAXEL_VTSTART_MIN 0

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#define OMAP3ISP_AF_PAXEL_VTSTART_MAX 4095

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#define OMAP3ISP_AF_THRESHOLD_MAX 255

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#define OMAP3ISP_AF_COEF_MAX 4095

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#define OMAP3ISP_AF_PAXEL_SIZE 48

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#define OMAP3ISP_AF_MAX_BUF_SIZE 221184

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/**

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* struct omap3isp_h3a_aewb_config - AE AWB configuration reset values

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* saturation_limit: Saturation limit.

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* @win_height: Window Height. Range 2 - 256, even values only.

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* @win_width: Window Width. Range 6 - 256, even values only.

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* @ver_win_count: Vertical Window Count. Range 1 - 128.

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* @hor_win_count: Horizontal Window Count. Range 1 - 36.

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* @ver_win_start: Vertical Window Start. Range 0 - 4095.

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* @hor_win_start: Horizontal Window Start. Range 0 - 4095.

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* @blk_ver_win_start: Black Vertical Windows Start. Range 0 - 4095.

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* @blk_win_height: Black Window Height. Range 2 - 256, even values only.

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* @subsample_ver_inc: Subsample Vertical points increment Range 2 - 32, even

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* values only.

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* @subsample_hor_inc: Subsample Horizontal points increment Range 2 - 32, even

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* values only.

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* @alaw_enable: AEW ALAW EN flag.

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struct omap3isp_h3a_aewb_config {

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* Common fields.

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* ispstat_generic_config struct.

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__u32 buf_size;

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__u16 config_counter;

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/* Private fields */

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__u16 saturation_limit;

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__u16 win_height;

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__u16 win_width;

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__u16 ver_win_count;

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__u16 hor_win_count;

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__u16 ver_win_start;

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__u16 hor_win_start;

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__u16 blk_ver_win_start;

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__u16 blk_win_height;

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__u16 subsample_ver_inc;

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__u16 subsample_hor_inc;

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__u8 alaw_enable;

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};

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/**

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* struct omap3isp_stat_data - Statistic data sent to or received from user

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* @ts: Timestamp of returned framestats.

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* @buf: Pointer to pass to user.

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* @frame_number: Frame number of requested stats.

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* @cur_frame: Current frame number being processed.

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* @config_counter: Number of the configuration associated with the data.

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struct omap3isp_stat_data {

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struct timeval ts;

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void *buf;

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__u32 buf_size;

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__u16 frame_number;

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__u16 cur_frame;

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__u16 config_counter;

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};

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/* Histogram related structs */

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/* Flags for number of bins */

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#define OMAP3ISP_HIST_BINS_32 0

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#define OMAP3ISP_HIST_BINS_64 1

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#define OMAP3ISP_HIST_BINS_128 2

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#define OMAP3ISP_HIST_BINS_256 3

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/* Number of bins * 4 colors * 4-bytes word */

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#define OMAP3ISP_HIST_MEM_SIZE_BINS(n) ((1 << ((n)+5))*4*4)

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#define OMAP3ISP_HIST_MEM_SIZE 1024

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#define OMAP3ISP_HIST_MIN_REGIONS 1

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#define OMAP3ISP_HIST_MAX_REGIONS 4

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#define OMAP3ISP_HIST_MAX_WB_GAIN 255

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#define OMAP3ISP_HIST_MIN_WB_GAIN 0

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#define OMAP3ISP_HIST_MAX_BIT_WIDTH 14

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#define OMAP3ISP_HIST_MIN_BIT_WIDTH 8

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#define OMAP3ISP_HIST_MAX_WG 4

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#define OMAP3ISP_HIST_MAX_BUF_SIZE 4096

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/* Source */

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#define OMAP3ISP_HIST_SOURCE_CCDC 0

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#define OMAP3ISP_HIST_SOURCE_MEM 1

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/* CFA pattern */

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#define OMAP3ISP_HIST_CFA_BAYER 0

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#define OMAP3ISP_HIST_CFA_FOVEONX3 1

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struct omap3isp_hist_region {

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__u16 h_start;

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__u16 h_end;

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__u16 v_start;

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__u16 v_end;

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};

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struct omap3isp_hist_config {

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* Common fields.

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* They should be the first ones and must be in the same order as in

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* ispstat_generic_config struct.

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__u32 buf_size;

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__u16 config_counter;

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__u8 num_acc_frames; /* Num of image frames to be processed and

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accumulated for each histogram frame */

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__u16 hist_bins; /* number of bins: 32, 64, 128, or 256 */

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__u8 cfa; /* BAYER or FOVEON X3 */

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__u8 wg[OMAP3ISP_HIST_MAX_WG]; /* White Balance Gain */

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__u8 num_regions; /* number of regions to be configured */

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struct omap3isp_hist_region region[OMAP3ISP_HIST_MAX_REGIONS];

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};

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/* Auto Focus related structs */

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#define OMAP3ISP_AF_NUM_COEF 11

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enum omap3isp_h3a_af_fvmode {

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OMAP3ISP_AF_MODE_SUMMED = 0,

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OMAP3ISP_AF_MODE_PEAK = 1

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};

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/* Red, Green, and blue pixel location in the AF windows */

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enum omap3isp_h3a_af_rgbpos {

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OMAP3ISP_AF_GR_GB_BAYER = 0, /* GR and GB as Bayer pattern */

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OMAP3ISP_AF_RG_GB_BAYER = 1, /* RG and GB as Bayer pattern */

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OMAP3ISP_AF_GR_BG_BAYER = 2, /* GR and BG as Bayer pattern */

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OMAP3ISP_AF_RG_BG_BAYER = 3, /* RG and BG as Bayer pattern */

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OMAP3ISP_AF_GG_RB_CUSTOM = 4, /* GG and RB as custom pattern */

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OMAP3ISP_AF_RB_GG_CUSTOM = 5 /* RB and GG as custom pattern */

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};

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/* Contains the information regarding the Horizontal Median Filter */

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struct omap3isp_h3a_af_hmf {

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__u8 enable; /* Status of Horizontal Median Filter */

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__u8 threshold; /* Threshold Value for Horizontal Median Filter */

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};

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/* Contains the information regarding the IIR Filters */

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struct omap3isp_h3a_af_iir {

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__u16 h_start; /* IIR horizontal start */

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__u16 coeff_set0[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 0 */

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__u16 coeff_set1[OMAP3ISP_AF_NUM_COEF]; /* Filter coefficient, set 1 */

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};

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/* Contains the information regarding the Paxels Structure in AF Engine */

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struct omap3isp_h3a_af_paxel {

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__u16 h_start; /* Horizontal Start Position */

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__u16 v_start; /* Vertical Start Position */

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__u8 width; /* Width of the Paxel */

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__u8 height; /* Height of the Paxel */

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__u8 h_cnt; /* Horizontal Count */

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__u8 v_cnt; /* vertical Count */

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__u8 line_inc; /* Line Increment */

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};

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/* Contains the parameters required for hardware set up of AF Engine */

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struct omap3isp_h3a_af_config {

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* Common fields.

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* They should be the first ones and must be in the same order as in

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* ispstat_generic_config struct.

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__u32 buf_size;

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__u16 config_counter;

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struct omap3isp_h3a_af_hmf hmf; /* HMF configurations */

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struct omap3isp_h3a_af_iir iir; /* IIR filter configurations */

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struct omap3isp_h3a_af_paxel paxel; /* Paxel parameters */

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enum omap3isp_h3a_af_rgbpos rgb_pos; /* RGB Positions */

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enum omap3isp_h3a_af_fvmode fvmode; /* Accumulator mode */

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__u8 alaw_enable; /* AF ALAW status */

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};

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/* ISP CCDC structs */

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/* Abstraction layer CCDC configurations */

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#define OMAP3ISP_CCDC_ALAW (1 << 0)

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#define OMAP3ISP_CCDC_LPF (1 << 1)

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#define OMAP3ISP_CCDC_BLCLAMP (1 << 2)

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#define OMAP3ISP_CCDC_BCOMP (1 << 3)

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#define OMAP3ISP_CCDC_FPC (1 << 4)

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#define OMAP3ISP_CCDC_CULL (1 << 5)

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#define OMAP3ISP_CCDC_CONFIG_LSC (1 << 7)

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#define OMAP3ISP_CCDC_TBL_LSC (1 << 8)

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#define OMAP3ISP_RGB_MAX 3

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/* Enumeration constants for Alaw input width */

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enum omap3isp_alaw_ipwidth {

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OMAP3ISP_ALAW_BIT12_3 = 0x3,

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OMAP3ISP_ALAW_BIT11_2 = 0x4,

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OMAP3ISP_ALAW_BIT10_1 = 0x5,

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OMAP3ISP_ALAW_BIT9_0 = 0x6

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};

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/**

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* struct omap3isp_ccdc_lsc_config - LSC configuration

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* @offset: Table Offset of the gain table.

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* @gain_mode_n: Vertical dimension of a paxel in LSC configuration.

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* @gain_mode_m: Horizontal dimension of a paxel in LSC configuration.

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* @gain_format: Gain table format.

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* @fmtsph: Start pixel horizontal from start of the HS sync pulse.

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* @fmtlnh: Number of pixels in horizontal direction to use for the data

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* reformatter.

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* @fmtslv: Start line from start of VS sync pulse for the data reformatter.

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* @fmtlnv: Number of lines in vertical direction for the data reformatter.

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* @initial_x: X position, in pixels, of the first active pixel in reference

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* to the first active paxel. Must be an even number.

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* @initial_y: Y position, in pixels, of the first active pixel in reference

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* to the first active paxel. Must be an even number.

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* @size: Size of LSC gain table. Filled when loaded from userspace.

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struct omap3isp_ccdc_lsc_config {

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__u16 offset;

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__u8 gain_mode_n;

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__u8 gain_mode_m;

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__u8 gain_format;

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__u16 fmtsph;

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__u16 fmtlnh;

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__u16 fmtslv;

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__u16 fmtlnv;

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__u8 initial_x;

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__u8 initial_y;

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__u32 size;

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};

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/**

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* struct omap3isp_ccdc_bclamp - Optical & Digital black clamp subtract

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* @obgain: Optical black average gain.

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* @obstpixel: Start Pixel w.r.t. HS pulse in Optical black sample.

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* @oblines: Optical Black Sample lines.

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* @oblen: Optical Black Sample Length.

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* @dcsubval: Digital Black Clamp subtract value.

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struct omap3isp_ccdc_bclamp {

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__u8 obgain;

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__u8 obstpixel;

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__u8 oblines;

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__u8 oblen;

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__u16 dcsubval;

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};

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/**

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* struct omap3isp_ccdc_fpc - Faulty Pixels Correction

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* @fpnum: Number of faulty pixels to be corrected in the frame.

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* @fpcaddr: Memory address of the FPC Table

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struct omap3isp_ccdc_fpc {

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__u16 fpnum;

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__u32 fpcaddr;

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};

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/**

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* struct omap3isp_ccdc_blcomp - Black Level Compensation parameters

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* @b_mg: B/Mg pixels. 2's complement. -128 to +127.

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* @gb_g: Gb/G pixels. 2's complement. -128 to +127.

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* @gr_cy: Gr/Cy pixels. 2's complement. -128 to +127.

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* @r_ye: R/Ye pixels. 2's complement. -128 to +127.

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struct omap3isp_ccdc_blcomp {

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__u8 b_mg;

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__u8 gb_g;

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__u8 gr_cy;

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__u8 r_ye;

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};

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/**

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* omap3isp_ccdc_culling - Culling parameters

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* @v_pattern: Vertical culling pattern.

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* @h_odd: Horizontal Culling pattern for odd lines.

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* @h_even: Horizontal Culling pattern for even lines.

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struct omap3isp_ccdc_culling {

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__u8 v_pattern;

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__u16 h_odd;

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__u16 h_even;

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};

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[397] Fix | Delete

/**

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* omap3isp_ccdc_update_config - CCDC configuration

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* @update: Specifies which CCDC registers should be updated.

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* @flag: Specifies which CCDC functions should be enabled.

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* @alawip: Enable/Disable A-Law compression.

[402] Fix | Delete

* @bclamp: Black clamp control register.

[403] Fix | Delete

* @blcomp: Black level compensation value for RGrGbB Pixels. 2's complement.

[404] Fix | Delete

* @fpc: Number of faulty pixels corrected in the frame, address of FPC table.

[405] Fix | Delete

* @cull: Cull control register.

[406] Fix | Delete

* @lsc: Pointer to LSC gain table.

[407] Fix | Delete

[408] Fix | Delete

struct omap3isp_ccdc_update_config {

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__u16 update;

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__u16 flag;

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enum omap3isp_alaw_ipwidth alawip;

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struct omap3isp_ccdc_bclamp *bclamp;

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struct omap3isp_ccdc_blcomp *blcomp;

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struct omap3isp_ccdc_fpc *fpc;

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struct omap3isp_ccdc_lsc_config *lsc_cfg;

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struct omap3isp_ccdc_culling *cull;

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__u8 *lsc;

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};

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[420] Fix | Delete

/* Preview configurations */

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#define OMAP3ISP_PREV_LUMAENH (1 << 0)

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#define OMAP3ISP_PREV_INVALAW (1 << 1)

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#define OMAP3ISP_PREV_HRZ_MED (1 << 2)

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#define OMAP3ISP_PREV_CFA (1 << 3)

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#define OMAP3ISP_PREV_CHROMA_SUPP (1 << 4)

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#define OMAP3ISP_PREV_WB (1 << 5)

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#define OMAP3ISP_PREV_BLKADJ (1 << 6)

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#define OMAP3ISP_PREV_RGB2RGB (1 << 7)

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#define OMAP3ISP_PREV_COLOR_CONV (1 << 8)

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#define OMAP3ISP_PREV_YC_LIMIT (1 << 9)

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#define OMAP3ISP_PREV_DEFECT_COR (1 << 10)

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/* Bit 11 was OMAP3ISP_PREV_GAMMABYPASS, now merged with OMAP3ISP_PREV_GAMMA */

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#define OMAP3ISP_PREV_DRK_FRM_CAPTURE (1 << 12)

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#define OMAP3ISP_PREV_DRK_FRM_SUBTRACT (1 << 13)

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#define OMAP3ISP_PREV_LENS_SHADING (1 << 14)

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#define OMAP3ISP_PREV_NF (1 << 15)

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#define OMAP3ISP_PREV_GAMMA (1 << 16)

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[439] Fix | Delete

#define OMAP3ISP_PREV_NF_TBL_SIZE 64

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#define OMAP3ISP_PREV_CFA_TBL_SIZE 576

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#define OMAP3ISP_PREV_CFA_BLK_SIZE (OMAP3ISP_PREV_CFA_TBL_SIZE / 4)

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#define OMAP3ISP_PREV_GAMMA_TBL_SIZE 1024

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#define OMAP3ISP_PREV_YENH_TBL_SIZE 128

[444] Fix | Delete

[445] Fix | Delete

#define OMAP3ISP_PREV_DETECT_CORRECT_CHANNELS 4

[446] Fix | Delete

[447] Fix | Delete

/**

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* struct omap3isp_prev_hmed - Horizontal Median Filter

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* @odddist: Distance between consecutive pixels of same color in the odd line.

[450] Fix | Delete

* @evendist: Distance between consecutive pixels of same color in the even

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* line.

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* @thres: Horizontal median filter threshold.

[453] Fix | Delete

[454] Fix | Delete

struct omap3isp_prev_hmed {

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__u8 odddist;

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__u8 evendist;

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__u8 thres;

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};

[459] Fix | Delete

[460] Fix | Delete

[461] Fix | Delete

* Enumeration for CFA Formats supported by preview

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enum omap3isp_cfa_fmt {

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OMAP3ISP_CFAFMT_BAYER,

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OMAP3ISP_CFAFMT_SONYVGA,

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OMAP3ISP_CFAFMT_RGBFOVEON,

[467] Fix | Delete

OMAP3ISP_CFAFMT_DNSPL,

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OMAP3ISP_CFAFMT_HONEYCOMB,

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OMAP3ISP_CFAFMT_RRGGBBFOVEON

[470] Fix | Delete

};

[471] Fix | Delete

[472] Fix | Delete

/**

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* struct omap3isp_prev_cfa - CFA Interpolation

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* @format: CFA Format Enum value supported by preview.

[475] Fix | Delete

* @gradthrs_vert: CFA Gradient Threshold - Vertical.

[476] Fix | Delete

* @gradthrs_horz: CFA Gradient Threshold - Horizontal.

[477] Fix | Delete

* @table: Pointer to the CFA table.

[478] Fix | Delete

[479] Fix | Delete

struct omap3isp_prev_cfa {

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enum omap3isp_cfa_fmt format;

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__u8 gradthrs_vert;

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__u8 gradthrs_horz;

[483] Fix | Delete

__u32 table[4][OMAP3ISP_PREV_CFA_BLK_SIZE];

[484] Fix | Delete

};

[485] Fix | Delete

[486] Fix | Delete

/**

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* struct omap3isp_prev_csup - Chrominance Suppression

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* @gain: Gain.

[489] Fix | Delete

* @thres: Threshold.

[490] Fix | Delete

* @hypf_en: Flag to enable/disable the High Pass Filter.

[491] Fix | Delete

[492] Fix | Delete

struct omap3isp_prev_csup {

[493] Fix | Delete

__u8 gain;

[494] Fix | Delete

__u8 thres;

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__u8 hypf_en;

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};

[497] Fix | Delete

[498] Fix | Delete

/**

[499] Fix | Delete