summaryrefslogtreecommitdiff
path: root/recipes/linux/linux-omap-2.6.29/isp/omap3camera/0005-omap3isp-Add-ISP-backend-PRV-and-RSZ.patch
diff options
context:
space:
mode:
Diffstat (limited to 'recipes/linux/linux-omap-2.6.29/isp/omap3camera/0005-omap3isp-Add-ISP-backend-PRV-and-RSZ.patch')
-rw-r--r--recipes/linux/linux-omap-2.6.29/isp/omap3camera/0005-omap3isp-Add-ISP-backend-PRV-and-RSZ.patch3413
1 files changed, 3413 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.29/isp/omap3camera/0005-omap3isp-Add-ISP-backend-PRV-and-RSZ.patch b/recipes/linux/linux-omap-2.6.29/isp/omap3camera/0005-omap3isp-Add-ISP-backend-PRV-and-RSZ.patch
new file mode 100644
index 0000000000..c549eadc88
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/isp/omap3camera/0005-omap3isp-Add-ISP-backend-PRV-and-RSZ.patch
@@ -0,0 +1,3413 @@
+From 926b51afea146826c8076e5fb305eaa0332399b4 Mon Sep 17 00:00:00 2001
+From: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
+Date: Tue, 10 Mar 2009 10:49:02 +0200
+Subject: [PATCH] omap3isp: Add ISP backend (PRV and RSZ)
+
+Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
+---
+ drivers/media/video/isp/isppreview.c | 1929 ++++++++++++++++++++++++++++++++++
+ drivers/media/video/isp/isppreview.h | 354 +++++++
+ drivers/media/video/isp/ispresizer.c | 928 ++++++++++++++++
+ drivers/media/video/isp/ispresizer.h | 158 +++
+ 4 files changed, 3369 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/media/video/isp/isppreview.c
+ create mode 100644 drivers/media/video/isp/isppreview.h
+ create mode 100644 drivers/media/video/isp/ispresizer.c
+ create mode 100644 drivers/media/video/isp/ispresizer.h
+
+diff --git a/drivers/media/video/isp/isppreview.c b/drivers/media/video/isp/isppreview.c
+new file mode 100644
+index 0000000..17f1abc
+--- /dev/null
++++ b/drivers/media/video/isp/isppreview.c
+@@ -0,0 +1,1929 @@
++/*
++ * isppreview.c
++ *
++ * Driver Library for Preview module in TI's OMAP3 Camera ISP
++ *
++ * Copyright (C) 2009 Texas Instruments, Inc.
++ *
++ * Contributors:
++ * Senthilvadivu Guruswamy <svadivu@ti.com>
++ * Pallavi Kulkarni <p-kulkarni@ti.com>
++ * Sergio Aguirre <saaguirre@ti.com>
++ *
++ * This package is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
++ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
++ */
++
++#include <linux/mutex.h>
++#include <linux/module.h>
++#include <linux/uaccess.h>
++
++#include "isp.h"
++#include "ispreg.h"
++#include "isppreview.h"
++
++static struct ispprev_nf prev_nf_t;
++static struct prev_params *params;
++static int rg_update, gg_update, bg_update, nf_enable, nf_update;
++
++/* Structure for saving/restoring preview module registers */
++static struct isp_reg ispprev_reg_list[] = {
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_HORZ_INFO, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_VERT_INFO, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RSDR_ADDR, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RADR_OFFSET, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_DSDR_ADDR, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_DRKF_OFFSET, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_WSDR_ADDR, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_WADD_OFFSET, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_AVE, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_HMED, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_NF, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_WB_DGAIN, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_WBGAIN, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_WBSEL, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CFA, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_BLKADJOFF, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT1, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT2, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT3, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT4, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT5, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF1, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF2, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC0, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC1, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC2, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC_OFFSET, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CSUP, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_SETUP_YC, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR0, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR1, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR2, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR3, 0x0000},
++ {OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, 0x0000},
++ {0, ISP_TOK_TERM, 0x0000}
++};
++
++
++/* Default values in Office Flourescent Light for RGBtoRGB Blending */
++static struct ispprev_rgbtorgb flr_rgb2rgb = {
++ { /* RGB-RGB Matrix */
++ {0x01E2, 0x0F30, 0x0FEE},
++ {0x0F9B, 0x01AC, 0x0FB9},
++ {0x0FE0, 0x0EC0, 0x0260}
++ }, /* RGB Offset */
++ {0x0000, 0x0000, 0x0000}
++};
++
++/* Default values in Office Flourescent Light for RGB to YUV Conversion*/
++static struct ispprev_csc flr_prev_csc[] = {
++ {
++ { /* CSC Coef Matrix */
++ {66, 129, 25},
++ {-38, -75, 112},
++ {112, -94 , -18}
++ }, /* CSC Offset */
++ {0x0, 0x0, 0x0}
++ },
++ {
++ { /* CSC Coef Matrix BW */
++ {66, 129, 25},
++ {0, 0, 0},
++ {0, 0, 0}
++ }, /* CSC Offset */
++ {0x0, 0x0, 0x0}
++ },
++ {
++ { /* CSC Coef Matrix Sepia */
++ {19, 38, 7},
++ {0, 0, 0},
++ {0, 0, 0}
++ }, /* CSC Offset */
++ {0x0, 0xE7, 0x14}
++ }
++};
++
++
++/* Default values in Office Flourescent Light for CFA Gradient*/
++#define FLR_CFA_GRADTHRS_HORZ 0x28
++#define FLR_CFA_GRADTHRS_VERT 0x28
++
++/* Default values in Office Flourescent Light for Chroma Suppression*/
++#define FLR_CSUP_GAIN 0x0D
++#define FLR_CSUP_THRES 0xEB
++
++/* Default values in Office Flourescent Light for Noise Filter*/
++#define FLR_NF_STRGTH 0x03
++
++/* Default values in Office Flourescent Light for White Balance*/
++#define FLR_WBAL_DGAIN 0x100
++#define FLR_WBAL_COEF0 0x20
++#define FLR_WBAL_COEF1 0x29
++#define FLR_WBAL_COEF2 0x2d
++#define FLR_WBAL_COEF3 0x20
++
++#define FLR_WBAL_COEF0_ES1 0x20
++#define FLR_WBAL_COEF1_ES1 0x23
++#define FLR_WBAL_COEF2_ES1 0x39
++#define FLR_WBAL_COEF3_ES1 0x20
++
++/* Default values in Office Flourescent Light for Black Adjustment*/
++#define FLR_BLKADJ_BLUE 0x0
++#define FLR_BLKADJ_GREEN 0x0
++#define FLR_BLKADJ_RED 0x0
++
++static int update_color_matrix;
++
++/**
++ * struct isp_prev - Structure for storing ISP Preview module information
++ * @prev_inuse: Flag to determine if CCDC has been reserved or not (0 or 1).
++ * @prevout_w: Preview output width.
++ * @prevout_h: Preview output height.
++ * @previn_w: Preview input width.
++ * @previn_h: Preview input height.
++ * @prev_inpfmt: Preview input format.
++ * @prev_outfmt: Preview output format.
++ * @hmed_en: Horizontal median filter enable.
++ * @nf_en: Noise filter enable.
++ * @dcor_en: Defect correction enable.
++ * @cfa_en: Color Filter Array (CFA) interpolation enable.
++ * @csup_en: Chrominance suppression enable.
++ * @yenh_en: Luma enhancement enable.
++ * @fmtavg: Number of horizontal pixels to average in input formatter. The
++ * input width should be a multiple of this number.
++ * @brightness: Brightness in preview module.
++ * @contrast: Contrast in preview module.
++ * @color: Color effect in preview module.
++ * @cfafmt: Color Filter Array (CFA) Format.
++ * @ispprev_mutex: Mutex for isp preview.
++ *
++ * This structure is used to store the OMAP ISP Preview module Information.
++ */
++static struct isp_prev {
++ int pm_state;
++ u8 prev_inuse;
++ u32 prevout_w;
++ u32 prevout_h;
++ u32 previn_w;
++ u32 previn_h;
++ enum preview_input prev_inpfmt;
++ enum preview_output prev_outfmt;
++ u8 hmed_en;
++ u8 nf_en;
++ u8 dcor_en;
++ u8 cfa_en;
++ u8 csup_en;
++ u8 yenh_en;
++ u8 fmtavg;
++ u8 brightness;
++ u8 contrast;
++ enum v4l2_colorfx color;
++ enum cfa_fmt cfafmt;
++ struct mutex ispprev_mutex; /* For checking/modifying prev_inuse */
++ u32 sph;
++ u32 slv;
++} ispprev_obj;
++
++/* Saved parameters */
++static struct prev_params *prev_config_params;
++
++/*
++ * Coeficient Tables for the submodules in Preview.
++ * Array is initialised with the values from.the tables text file.
++ */
++
++/*
++ * CFA Filter Coefficient Table
++ *
++ */
++static u32 cfa_coef_table[] = {
++#include "cfa_coef_table.h"
++};
++
++/*
++ * Gamma Correction Table - Red
++ */
++static u32 redgamma_table[] = {
++#include "redgamma_table.h"
++};
++
++/*
++ * Gamma Correction Table - Green
++ */
++static u32 greengamma_table[] = {
++#include "greengamma_table.h"
++};
++
++/*
++ * Gamma Correction Table - Blue
++ */
++static u32 bluegamma_table[] = {
++#include "bluegamma_table.h"
++};
++
++/*
++ * Noise Filter Threshold table
++ */
++static u32 noise_filter_table[] = {
++#include "noise_filter_table.h"
++};
++
++/*
++ * Luminance Enhancement Table
++ */
++static u32 luma_enhance_table[] = {
++#include "luma_enhance_table.h"
++};
++
++/**
++ * omap34xx_isp_preview_config - Abstraction layer Preview configuration.
++ * @userspace_add: Pointer from Userspace to structure with flags and data to
++ * update.
++ **/
++int omap34xx_isp_preview_config(void *userspace_add)
++{
++ struct ispprev_hmed prev_hmed_t;
++ struct ispprev_cfa prev_cfa_t;
++ struct ispprev_csup csup_t;
++ struct ispprev_wbal prev_wbal_t;
++ struct ispprev_blkadj prev_blkadj_t;
++ struct ispprev_rgbtorgb rgb2rgb_t;
++ struct ispprev_csc prev_csc_t;
++ struct ispprev_yclimit yclimit_t;
++ struct ispprev_dcor prev_dcor_t;
++ struct ispprv_update_config *preview_struct;
++ struct isptables_update isp_table_update;
++ int yen_t[ISPPRV_YENH_TBL_SIZE];
++
++ if (userspace_add == NULL)
++ return -EINVAL;
++
++ preview_struct = userspace_add;
++
++ if (ISP_ABS_PREV_LUMAENH & preview_struct->flag) {
++ if (ISP_ABS_PREV_LUMAENH & preview_struct->update) {
++ if (copy_from_user(yen_t, preview_struct->yen,
++ sizeof(yen_t)))
++ goto err_copy_from_user;
++ isppreview_config_luma_enhancement(yen_t);
++ }
++ params->features |= PREV_LUMA_ENHANCE;
++ } else if (ISP_ABS_PREV_LUMAENH & preview_struct->update)
++ params->features &= ~PREV_LUMA_ENHANCE;
++
++ if (ISP_ABS_PREV_INVALAW & preview_struct->flag) {
++ isppreview_enable_invalaw(1);
++ params->features |= PREV_INVERSE_ALAW;
++ } else {
++ isppreview_enable_invalaw(0);
++ params->features &= ~PREV_INVERSE_ALAW;
++ }
++
++ if (ISP_ABS_PREV_HRZ_MED & preview_struct->flag) {
++ if (ISP_ABS_PREV_HRZ_MED & preview_struct->update) {
++ if (copy_from_user(&prev_hmed_t,
++ (struct ispprev_hmed *)
++ preview_struct->prev_hmed,
++ sizeof(struct ispprev_hmed)))
++ goto err_copy_from_user;
++ isppreview_config_hmed(prev_hmed_t);
++ }
++ isppreview_enable_hmed(1);
++ params->features |= PREV_HORZ_MEDIAN_FILTER;
++ } else if (ISP_ABS_PREV_HRZ_MED & preview_struct->update) {
++ isppreview_enable_hmed(0);
++ params->features &= ~PREV_HORZ_MEDIAN_FILTER;
++ }
++
++ if (ISP_ABS_PREV_CFA & preview_struct->flag) {
++ if (ISP_ABS_PREV_CFA & preview_struct->update) {
++ if (copy_from_user(&prev_cfa_t,
++ (struct ispprev_cfa *)
++ preview_struct->prev_cfa,
++ sizeof(struct ispprev_cfa)))
++ goto err_copy_from_user;
++
++ isppreview_config_cfa(prev_cfa_t);
++ }
++ isppreview_enable_cfa(1);
++ params->features |= PREV_CFA;
++ } else if (ISP_ABS_PREV_CFA & preview_struct->update) {
++ isppreview_enable_cfa(0);
++ params->features &= ~PREV_CFA;
++ }
++
++ if (ISP_ABS_PREV_CHROMA_SUPP & preview_struct->flag) {
++ if (ISP_ABS_PREV_CHROMA_SUPP & preview_struct->update) {
++ if (copy_from_user(&csup_t,
++ (struct ispprev_csup *)
++ preview_struct->csup,
++ sizeof(struct ispprev_csup)))
++ goto err_copy_from_user;
++ isppreview_config_chroma_suppression(csup_t);
++ }
++ isppreview_enable_chroma_suppression(1);
++ params->features |= PREV_CHROMA_SUPPRESS;
++ } else if (ISP_ABS_PREV_CHROMA_SUPP & preview_struct->update) {
++ isppreview_enable_chroma_suppression(0);
++ params->features &= ~PREV_CHROMA_SUPPRESS;
++ }
++
++ if (ISP_ABS_PREV_WB & preview_struct->update) {
++ if (copy_from_user(&prev_wbal_t, (struct ispprev_wbal *)
++ preview_struct->prev_wbal,
++ sizeof(struct ispprev_wbal)))
++ goto err_copy_from_user;
++ isppreview_config_whitebalance(prev_wbal_t);
++ }
++
++ if (ISP_ABS_PREV_BLKADJ & preview_struct->update) {
++ if (copy_from_user(&prev_blkadj_t, (struct ispprev_blkadjl *)
++ preview_struct->prev_blkadj,
++ sizeof(struct ispprev_blkadj)))
++ goto err_copy_from_user;
++ isppreview_config_blkadj(prev_blkadj_t);
++ }
++
++ if (ISP_ABS_PREV_RGB2RGB & preview_struct->update) {
++ if (copy_from_user(&rgb2rgb_t, (struct ispprev_rgbtorgb *)
++ preview_struct->rgb2rgb,
++ sizeof(struct ispprev_rgbtorgb)))
++ goto err_copy_from_user;
++ isppreview_config_rgb_blending(rgb2rgb_t);
++ }
++
++ if (ISP_ABS_PREV_COLOR_CONV & preview_struct->update) {
++ if (copy_from_user(&prev_csc_t, (struct ispprev_csc *)
++ preview_struct->prev_csc,
++ sizeof(struct ispprev_csc)))
++ goto err_copy_from_user;
++ isppreview_config_rgb_to_ycbcr(prev_csc_t);
++ }
++
++ if (ISP_ABS_PREV_YC_LIMIT & preview_struct->update) {
++ if (copy_from_user(&yclimit_t, (struct ispprev_yclimit *)
++ preview_struct->yclimit,
++ sizeof(struct ispprev_yclimit)))
++ goto err_copy_from_user;
++ isppreview_config_yc_range(yclimit_t);
++ }
++
++ if (ISP_ABS_PREV_DEFECT_COR & preview_struct->flag) {
++ if (ISP_ABS_PREV_DEFECT_COR & preview_struct->update) {
++ if (copy_from_user(&prev_dcor_t,
++ (struct ispprev_dcor *)
++ preview_struct->prev_dcor,
++ sizeof(struct ispprev_dcor)))
++ goto err_copy_from_user;
++ isppreview_config_dcor(prev_dcor_t);
++ }
++ isppreview_enable_dcor(1);
++ params->features |= PREV_DEFECT_COR;
++ } else if (ISP_ABS_PREV_DEFECT_COR & preview_struct->update) {
++ isppreview_enable_dcor(0);
++ params->features &= ~PREV_DEFECT_COR;
++ }
++
++ if (ISP_ABS_PREV_GAMMABYPASS & preview_struct->flag) {
++ isppreview_enable_gammabypass(1);
++ params->features |= PREV_GAMMA_BYPASS;
++ } else {
++ isppreview_enable_gammabypass(0);
++ params->features &= ~PREV_GAMMA_BYPASS;
++ }
++
++ isp_table_update.update = preview_struct->update;
++ isp_table_update.flag = preview_struct->flag;
++ isp_table_update.prev_nf = preview_struct->prev_nf;
++ isp_table_update.red_gamma = preview_struct->red_gamma;
++ isp_table_update.green_gamma = preview_struct->green_gamma;
++ isp_table_update.blue_gamma = preview_struct->blue_gamma;
++
++ if (omap34xx_isp_tables_update(&isp_table_update))
++ goto err_copy_from_user;
++
++ return 0;
++
++err_copy_from_user:
++ printk(KERN_ERR "Preview Config: Copy From User Error\n");
++ return -EFAULT;
++}
++EXPORT_SYMBOL_GPL(omap34xx_isp_preview_config);
++
++/**
++ * omap34xx_isp_tables_update - Abstraction layer Tables update.
++ * @isptables_struct: Pointer from Userspace to structure with flags and table
++ * data to update.
++ **/
++int omap34xx_isp_tables_update(struct isptables_update *isptables_struct)
++{
++
++ if (ISP_ABS_TBL_NF & isptables_struct->flag) {
++ nf_enable = 1;
++ params->features |= PREV_NOISE_FILTER;
++ if (ISP_ABS_TBL_NF & isptables_struct->update) {
++ if (copy_from_user(&prev_nf_t, (struct ispprev_nf *)
++ isptables_struct->prev_nf,
++ sizeof(struct ispprev_nf)))
++ goto err_copy_from_user;
++
++ nf_update = 1;
++ } else
++ nf_update = 0;
++ } else {
++ nf_enable = 0;
++ params->features &= ~PREV_NOISE_FILTER;
++ if (ISP_ABS_TBL_NF & isptables_struct->update)
++ nf_update = 1;
++ else
++ nf_update = 0;
++ }
++
++ if (ISP_ABS_TBL_REDGAMMA & isptables_struct->update) {
++ if (copy_from_user(redgamma_table, isptables_struct->red_gamma,
++ sizeof(redgamma_table))) {
++ goto err_copy_from_user;
++ }
++ rg_update = 1;
++ } else
++ rg_update = 0;
++
++ if (ISP_ABS_TBL_GREENGAMMA & isptables_struct->update) {
++ if (copy_from_user(greengamma_table,
++ isptables_struct->green_gamma,
++ sizeof(greengamma_table)))
++ goto err_copy_from_user;
++ gg_update = 1;
++ } else
++ gg_update = 0;
++
++ if (ISP_ABS_TBL_BLUEGAMMA & isptables_struct->update) {
++ if (copy_from_user(bluegamma_table,
++ isptables_struct->blue_gamma,
++ sizeof(bluegamma_table))) {
++ goto err_copy_from_user;
++ }
++ bg_update = 1;
++ } else
++ bg_update = 0;
++
++ return 0;
++
++err_copy_from_user:
++ printk(KERN_ERR "Preview Tables:Copy From User Error\n");
++ return -EFAULT;
++}
++
++/**
++ * isppreview_config_shadow_registers - Program shadow registers for preview.
++ *
++ * Allows user to program shadow registers associated with preview module.
++ **/
++void isppreview_config_shadow_registers()
++{
++ u8 current_brightness_contrast;
++ int ctr, prv_disabled;
++
++ isppreview_query_brightness(&current_brightness_contrast);
++ if (current_brightness_contrast !=
++ (ispprev_obj.brightness * ISPPRV_BRIGHT_UNITS)) {
++ DPRINTK_ISPPREV(" Changing Brightness level to %d\n",
++ ispprev_obj.brightness);
++ isppreview_config_brightness(ispprev_obj.brightness *
++ ISPPRV_BRIGHT_UNITS);
++ }
++
++ isppreview_query_contrast(&current_brightness_contrast);
++ if (current_brightness_contrast !=
++ (ispprev_obj.contrast * ISPPRV_CONTRAST_UNITS)) {
++ DPRINTK_ISPPREV(" Changing Contrast level to %d\n",
++ ispprev_obj.contrast);
++ isppreview_config_contrast(ispprev_obj.contrast *
++ ISPPRV_CONTRAST_UNITS);
++ }
++ if (update_color_matrix) {
++ isppreview_config_rgb_to_ycbcr(flr_prev_csc[ispprev_obj.color]);
++ update_color_matrix = 0;
++ }
++ if (gg_update || rg_update || bg_update || nf_update) {
++ isppreview_enable(0);
++ prv_disabled = 1;
++ }
++
++ if (gg_update) {
++ isp_reg_writel(ISPPRV_TBL_ADDR_GREEN_G_START,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++
++ for (ctr = 0; ctr < ISP_GAMMA_TABLE_SIZE; ctr++) {
++ isp_reg_writel(greengamma_table[ctr],
++ OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_SET_TBL_DATA);
++ }
++ gg_update = 0;
++ }
++
++ if (rg_update) {
++ isp_reg_writel(ISPPRV_TBL_ADDR_RED_G_START,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++
++ for (ctr = 0; ctr < ISP_GAMMA_TABLE_SIZE; ctr++) {
++ isp_reg_writel(redgamma_table[ctr],
++ OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_SET_TBL_DATA);
++ }
++ rg_update = 0;
++ }
++
++ if (bg_update) {
++ isp_reg_writel(ISPPRV_TBL_ADDR_BLUE_G_START,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++
++ for (ctr = 0; ctr < ISP_GAMMA_TABLE_SIZE; ctr++) {
++ isp_reg_writel(bluegamma_table[ctr],
++ OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_SET_TBL_DATA);
++ }
++ bg_update = 0;
++ }
++
++ if (nf_update && nf_enable) {
++ isp_reg_writel(0xC00,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++ isp_reg_writel(prev_nf_t.spread,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_NF);
++ for (ctr = 0; ctr < ISPPRV_NF_TBL_SIZE; ctr++) {
++ isp_reg_writel(prev_nf_t.table[ctr],
++ OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_SET_TBL_DATA);
++ }
++ isppreview_enable_noisefilter(1);
++ nf_update = 0;
++ }
++
++ if (~nf_update && nf_enable)
++ isppreview_enable_noisefilter(1);
++
++ if (nf_update && ~nf_enable)
++ isppreview_enable_noisefilter(0);
++
++ if (prv_disabled) {
++ isppreview_enable(1);
++ prv_disabled = 0;
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_config_shadow_registers);
++
++/**
++ * isppreview_request - Reserves the preview module.
++ *
++ * Returns 0 if successful, or -EBUSY if the module was already reserved.
++ **/
++int isppreview_request()
++{
++ mutex_lock(&ispprev_obj.ispprev_mutex);
++ if (ispprev_obj.prev_inuse) {
++ mutex_unlock(&ispprev_obj.ispprev_mutex);
++ printk(KERN_ERR "ISP_ERR : Preview Module Busy\n");
++ return -EBUSY;
++ }
++ ispprev_obj.prev_inuse = 1;
++ mutex_unlock(&ispprev_obj.ispprev_mutex);
++ isp_reg_or(OMAP3_ISP_IOMEM_MAIN, ISP_CTRL, ISPCTRL_PREV_RAM_EN |
++ ISPCTRL_PREV_CLK_EN |
++ ISPCTRL_SBL_WR1_RAM_EN);
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_request);
++
++/**
++ * isppreview_free - Frees the preview module.
++ *
++ * Returns 0 if successful, or -EINVAL if the module was already freed.
++ **/
++int isppreview_free()
++{
++ mutex_lock(&ispprev_obj.ispprev_mutex);
++ if (ispprev_obj.prev_inuse) {
++ ispprev_obj.prev_inuse = 0;
++ mutex_unlock(&ispprev_obj.ispprev_mutex);
++ isp_reg_and(OMAP3_ISP_IOMEM_MAIN, ISP_CTRL,
++ ~(ISPCTRL_PREV_CLK_EN |
++ ISPCTRL_PREV_RAM_EN |
++ ISPCTRL_SBL_WR1_RAM_EN));
++ return 0;
++ } else {
++ mutex_unlock(&ispprev_obj.ispprev_mutex);
++ DPRINTK_ISPPREV("ISP_ERR : Preview Module already freed\n");
++ return -EINVAL;
++ }
++
++}
++EXPORT_SYMBOL_GPL(isppreview_free);
++
++/** isppreview_config_datapath - Specifies input and output modules for Preview
++ * @input: Indicates the module that gives the image to preview.
++ * @output: Indicates the module to which the preview outputs to.
++ *
++ * Configures the default configuration for the CCDC to work with.
++ *
++ * The valid values for the input are PRV_RAW_CCDC (0), PRV_RAW_MEM (1),
++ * PRV_RGBBAYERCFA (2), PRV_COMPCFA (3), PRV_CCDC_DRKF (4), PRV_OTHERS (5).
++ *
++ * The valid values for the output are PREVIEW_RSZ (0), PREVIEW_MEM (1).
++ *
++ * Returns 0 if successful, or -EINVAL if wrong input or output values are
++ * specified.
++ **/
++int isppreview_config_datapath(enum preview_input input,
++ enum preview_output output)
++{
++ u32 pcr = 0;
++ u8 enable = 0;
++ struct prev_params *params = prev_config_params;
++ struct ispprev_yclimit yclimit;
++
++ pcr = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++
++ switch (input) {
++ case PRV_RAW_CCDC:
++ pcr &= ~ISPPRV_PCR_SOURCE;
++ pcr &= ~ISPPRV_PCR_ONESHOT;
++ ispprev_obj.prev_inpfmt = PRV_RAW_CCDC;
++ break;
++ case PRV_RAW_MEM:
++ pcr |= ISPPRV_PCR_SOURCE;
++ pcr |= ISPPRV_PCR_ONESHOT;
++ ispprev_obj.prev_inpfmt = PRV_RAW_MEM;
++ break;
++ case PRV_CCDC_DRKF:
++ pcr |= ISPPRV_PCR_DRKFCAP;
++ pcr |= ISPPRV_PCR_ONESHOT;
++ ispprev_obj.prev_inpfmt = PRV_CCDC_DRKF;
++ break;
++ case PRV_COMPCFA:
++ ispprev_obj.prev_inpfmt = PRV_COMPCFA;
++ break;
++ case PRV_OTHERS:
++ ispprev_obj.prev_inpfmt = PRV_OTHERS;
++ break;
++ case PRV_RGBBAYERCFA:
++ ispprev_obj.prev_inpfmt = PRV_RGBBAYERCFA;
++ break;
++ default:
++ printk(KERN_ERR "ISP_ERR : Wrong Input\n");
++ return -EINVAL;
++ };
++
++ switch (output) {
++ case PREVIEW_RSZ:
++ pcr |= ISPPRV_PCR_RSZPORT;
++ pcr &= ~ISPPRV_PCR_SDRPORT;
++ break;
++ case PREVIEW_MEM:
++ pcr &= ~ISPPRV_PCR_RSZPORT;
++ pcr |= ISPPRV_PCR_SDRPORT;
++ break;
++ default:
++ printk(KERN_ERR "ISP_ERR : Wrong Output\n");
++ return -EINVAL;
++ }
++ ispprev_obj.prev_outfmt = output;
++
++ isp_reg_writel(pcr, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++
++ isppreview_config_ycpos(params->pix_fmt);
++
++ if (params->cfa.cfa_table != NULL)
++ isppreview_config_cfa(params->cfa);
++ if (params->csup.hypf_en == 1)
++ isppreview_config_chroma_suppression(params->csup);
++ if (params->ytable != NULL)
++ isppreview_config_luma_enhancement(params->ytable);
++
++ if (params->gtable.redtable != NULL)
++ isppreview_config_gammacorrn(params->gtable);
++
++ enable = (params->features & PREV_CFA) ? 1 : 0;
++ isppreview_enable_cfa(enable);
++
++ enable = (params->features & PREV_CHROMA_SUPPRESS) ? 1 : 0;
++ isppreview_enable_chroma_suppression(enable);
++
++ enable = (params->features & PREV_LUMA_ENHANCE) ? 1 : 0;
++ isppreview_enable_luma_enhancement(enable);
++
++ enable = (params->features & PREV_NOISE_FILTER) ? 1 : 0;
++ if (enable)
++ isppreview_config_noisefilter(params->nf);
++ isppreview_enable_noisefilter(enable);
++
++ enable = (params->features & PREV_DEFECT_COR) ? 1 : 0;
++ if (enable)
++ isppreview_config_dcor(params->dcor);
++ isppreview_enable_dcor(enable);
++
++ enable = (params->features & PREV_GAMMA_BYPASS) ? 1 : 0;
++ isppreview_enable_gammabypass(enable);
++
++ isppreview_config_whitebalance(params->wbal);
++ isppreview_config_blkadj(params->blk_adj);
++ isppreview_config_rgb_blending(params->rgb2rgb);
++ isppreview_config_rgb_to_ycbcr(params->rgb2ycbcr);
++
++ isppreview_config_contrast(params->contrast * ISPPRV_CONTRAST_UNITS);
++ isppreview_config_brightness(params->brightness * ISPPRV_BRIGHT_UNITS);
++
++ yclimit.minC = ISPPRV_YC_MIN;
++ yclimit.maxC = ISPPRV_YC_MAX;
++ yclimit.minY = ISPPRV_YC_MIN;
++ yclimit.maxY = ISPPRV_YC_MAX;
++ isppreview_config_yc_range(yclimit);
++
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_config_datapath);
++
++/**
++ * isppreview_set_skip - Set the number of rows/columns that should be skipped.
++ * h - Start Pixel Horizontal.
++ * v - Start Line Vertical.
++ **/
++void isppreview_set_skip(u32 h, u32 v)
++{
++ ispprev_obj.sph = h;
++ ispprev_obj.slv = v;
++}
++EXPORT_SYMBOL_GPL(isppreview_set_skip);
++
++/**
++ * isppreview_config_ycpos - Configure byte layout of YUV image.
++ * @mode: Indicates the required byte layout.
++ **/
++void isppreview_config_ycpos(enum preview_ycpos_mode mode)
++{
++ u32 pcr = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++ pcr &= ~ISPPRV_PCR_YCPOS_CrYCbY;
++ pcr |= (mode << ISPPRV_PCR_YCPOS_SHIFT);
++ isp_reg_writel(pcr, OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_ycpos);
++
++/**
++ * isppreview_config_averager - Enable / disable / configure averager
++ * @average: Average value to be configured.
++ **/
++void isppreview_config_averager(u8 average)
++{
++ int reg = 0;
++
++ reg = AVE_ODD_PIXEL_DIST | AVE_EVEN_PIXEL_DIST | average;
++ isp_reg_writel(reg, OMAP3_ISP_IOMEM_PREV, ISPPRV_AVE);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_averager);
++
++/**
++ * isppreview_enable_invalaw - Enable/Disable Inverse A-Law module in Preview.
++ * @enable: 1 - Reverse the A-Law done in CCDC.
++ **/
++void isppreview_enable_invalaw(u8 enable)
++{
++ u32 pcr_val = 0;
++ pcr_val = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++
++ if (enable) {
++ isp_reg_writel(pcr_val | ISPPRV_PCR_WIDTH | ISPPRV_PCR_INVALAW,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++ } else {
++ isp_reg_writel(pcr_val &
++ ~(ISPPRV_PCR_WIDTH | ISPPRV_PCR_INVALAW),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_invalaw);
++
++/**
++ * isppreview_enable_drkframe - Enable/Disable of the darkframe subtract.
++ * @enable: 1 - Acquires memory bandwidth since the pixels in each frame is
++ * subtracted with the pixels in the current frame.
++ *
++ * The proccess is applied for each captured frame.
++ **/
++void isppreview_enable_drkframe(u8 enable)
++{
++ if (enable)
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_DRKFEN);
++ else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_DRKFEN);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_drkframe);
++
++/**
++ * isppreview_enable_shadcomp - Enables/Disables the shading compensation.
++ * @enable: 1 - Enables the shading compensation.
++ *
++ * If dark frame subtract won't be used, then enable this shading
++ * compensation.
++ **/
++void isppreview_enable_shadcomp(u8 enable)
++{
++
++ if (enable) {
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ISPPRV_PCR_SCOMP_EN);
++ isppreview_enable_drkframe(1);
++ } else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_SCOMP_EN);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_shadcomp);
++
++/**
++ * isppreview_config_drkf_shadcomp - Configures shift value in shading comp.
++ * @scomp_shtval: 3bit value of shift used in shading compensation.
++ **/
++void isppreview_config_drkf_shadcomp(u8 scomp_shtval)
++{
++ u32 pcr_val = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++
++ pcr_val &= ISPPRV_PCR_SCOMP_SFT_MASK;
++ isp_reg_writel(pcr_val | (scomp_shtval << ISPPRV_PCR_SCOMP_SFT_SHIFT),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_drkf_shadcomp);
++
++/**
++ * isppreview_enable_hmed - Enables/Disables of the Horizontal Median Filter.
++ * @enable: 1 - Enables Horizontal Median Filter.
++ **/
++void isppreview_enable_hmed(u8 enable)
++{
++ if (enable)
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_HMEDEN);
++ else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_HMEDEN);
++ }
++ ispprev_obj.hmed_en = enable ? 1 : 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_hmed);
++
++/**
++ * isppreview_config_hmed - Configures the Horizontal Median Filter.
++ * @prev_hmed: Structure containing the odd and even distance between the
++ * pixels in the image along with the filter threshold.
++ **/
++void isppreview_config_hmed(struct ispprev_hmed prev_hmed)
++{
++
++ u32 odddist = 0;
++ u32 evendist = 0;
++
++ if (prev_hmed.odddist == 1)
++ odddist = ~ISPPRV_HMED_ODDDIST;
++ else
++ odddist = ISPPRV_HMED_ODDDIST;
++
++ if (prev_hmed.evendist == 1)
++ evendist = ~ISPPRV_HMED_EVENDIST;
++ else
++ evendist = ISPPRV_HMED_EVENDIST;
++
++ isp_reg_writel(odddist | evendist | (prev_hmed.thres <<
++ ISPPRV_HMED_THRESHOLD_SHIFT),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_HMED);
++
++}
++EXPORT_SYMBOL_GPL(isppreview_config_hmed);
++
++/**
++ * isppreview_config_noisefilter - Configures the Noise Filter.
++ * @prev_nf: Structure containing the noisefilter table, strength to be used
++ * for the noise filter and the defect correction enable flag.
++ **/
++void isppreview_config_noisefilter(struct ispprev_nf prev_nf)
++{
++ int i = 0;
++
++ isp_reg_writel(prev_nf.spread, OMAP3_ISP_IOMEM_PREV, ISPPRV_NF);
++ isp_reg_writel(ISPPRV_NF_TABLE_ADDR, OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_SET_TBL_ADDR);
++ for (i = 0; i < ISPPRV_NF_TBL_SIZE; i++) {
++ isp_reg_writel(prev_nf.table[i], OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_SET_TBL_DATA);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_config_noisefilter);
++
++/**
++ * isppreview_config_dcor - Configures the defect correction
++ * @prev_nf: Structure containing the defect correction structure
++ **/
++void isppreview_config_dcor(struct ispprev_dcor prev_dcor)
++{
++ if (prev_dcor.couplet_mode_en) {
++ isp_reg_writel(prev_dcor.detect_correct[0],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR0);
++ isp_reg_writel(prev_dcor.detect_correct[1],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR1);
++ isp_reg_writel(prev_dcor.detect_correct[2],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR2);
++ isp_reg_writel(prev_dcor.detect_correct[3],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CDC_THR3);
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_DCCOUP);
++ } else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_DCCOUP);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_config_dcor);
++
++/**
++ * isppreview_config_cfa - Configures the CFA Interpolation parameters.
++ * @prev_cfa: Structure containing the CFA interpolation table, CFA format
++ * in the image, vertical and horizontal gradient threshold.
++ **/
++void isppreview_config_cfa(struct ispprev_cfa prev_cfa)
++{
++ int i = 0;
++
++ ispprev_obj.cfafmt = prev_cfa.cfafmt;
++
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ (prev_cfa.cfafmt << ISPPRV_PCR_CFAFMT_SHIFT));
++
++ isp_reg_writel(
++ (prev_cfa.cfa_gradthrs_vert << ISPPRV_CFA_GRADTH_VER_SHIFT) |
++ (prev_cfa.cfa_gradthrs_horz << ISPPRV_CFA_GRADTH_HOR_SHIFT),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CFA);
++
++ isp_reg_writel(ISPPRV_CFA_TABLE_ADDR, OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_SET_TBL_ADDR);
++
++ for (i = 0; i < ISPPRV_CFA_TBL_SIZE; i++) {
++ isp_reg_writel(prev_cfa.cfa_table[i],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_DATA);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_config_cfa);
++
++/**
++ * isppreview_config_gammacorrn - Configures the Gamma Correction table values
++ * @gtable: Structure containing the table for red, blue, green gamma table.
++ **/
++void isppreview_config_gammacorrn(struct ispprev_gtable gtable)
++{
++ int i = 0;
++
++ isp_reg_writel(ISPPRV_REDGAMMA_TABLE_ADDR,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++ for (i = 0; i < ISPPRV_GAMMA_TBL_SIZE; i++) {
++ isp_reg_writel(gtable.redtable[i],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_DATA);
++ }
++
++ isp_reg_writel(ISPPRV_GREENGAMMA_TABLE_ADDR,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++ for (i = 0; i < ISPPRV_GAMMA_TBL_SIZE; i++) {
++ isp_reg_writel(gtable.greentable[i],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_DATA);
++ }
++
++ isp_reg_writel(ISPPRV_BLUEGAMMA_TABLE_ADDR,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++ for (i = 0; i < ISPPRV_GAMMA_TBL_SIZE; i++) {
++ isp_reg_writel(gtable.bluetable[i],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_DATA);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_config_gammacorrn);
++
++/**
++ * isppreview_config_luma_enhancement - Sets the Luminance Enhancement table.
++ * @ytable: Structure containing the table for Luminance Enhancement table.
++ **/
++void isppreview_config_luma_enhancement(u32 *ytable)
++{
++ int i = 0;
++
++ isp_reg_writel(ISPPRV_YENH_TABLE_ADDR,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_ADDR);
++ for (i = 0; i < ISPPRV_YENH_TBL_SIZE; i++) {
++ isp_reg_writel(ytable[i],
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SET_TBL_DATA);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_config_luma_enhancement);
++
++/**
++ * isppreview_config_chroma_suppression - Configures the Chroma Suppression.
++ * @csup: Structure containing the threshold value for suppression
++ * and the hypass filter enable flag.
++ **/
++void isppreview_config_chroma_suppression(struct ispprev_csup csup)
++{
++ isp_reg_writel(csup.gain | (csup.thres << ISPPRV_CSUP_THRES_SHIFT) |
++ (csup.hypf_en << ISPPRV_CSUP_HPYF_SHIFT),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CSUP);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_chroma_suppression);
++
++/**
++ * isppreview_enable_noisefilter - Enables/Disables the Noise Filter.
++ * @enable: 1 - Enables the Noise Filter.
++ **/
++void isppreview_enable_noisefilter(u8 enable)
++{
++ if (enable)
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_NFEN);
++ else
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ~ISPPRV_PCR_NFEN);
++ ispprev_obj.nf_en = enable ? 1 : 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_noisefilter);
++
++/**
++ * isppreview_enable_dcor - Enables/Disables the defect correction.
++ * @enable: 1 - Enables the defect correction.
++ **/
++void isppreview_enable_dcor(u8 enable)
++{
++ if (enable)
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_DCOREN);
++ else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_DCOREN);
++ }
++ ispprev_obj.dcor_en = enable ? 1 : 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_dcor);
++
++/**
++ * isppreview_enable_cfa - Enable/Disable the CFA Interpolation.
++ * @enable: 1 - Enables the CFA.
++ **/
++void isppreview_enable_cfa(u8 enable)
++{
++ if (enable)
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_CFAEN);
++ else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_CFAEN);
++ }
++ ispprev_obj.cfa_en = enable ? 1 : 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_cfa);
++
++/**
++ * isppreview_enable_gammabypass - Enables/Disables the GammaByPass
++ * @enable: 1 - Bypasses Gamma - 10bit input is cropped to 8MSB.
++ * 0 - Goes through Gamma Correction. input and output is 10bit.
++ **/
++void isppreview_enable_gammabypass(u8 enable)
++{
++ if (enable) {
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ISPPRV_PCR_GAMMA_BYPASS);
++ } else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_GAMMA_BYPASS);
++ }
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_gammabypass);
++
++/**
++ * isppreview_enable_luma_enhancement - Enables/Disables Luminance Enhancement
++ * @enable: 1 - Enable the Luminance Enhancement.
++ **/
++void isppreview_enable_luma_enhancement(u8 enable)
++{
++ if (enable) {
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ISPPRV_PCR_YNENHEN);
++ } else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_YNENHEN);
++ }
++ ispprev_obj.yenh_en = enable ? 1 : 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_luma_enhancement);
++
++/**
++ * isppreview_enable_chroma_suppression - Enables/Disables Chrominance Suppr.
++ * @enable: 1 - Enable the Chrominance Suppression.
++ **/
++void isppreview_enable_chroma_suppression(u8 enable)
++{
++ if (enable)
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_SUPEN);
++ else {
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR,
++ ~ISPPRV_PCR_SUPEN);
++ }
++ ispprev_obj.csup_en = enable ? 1 : 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_enable_chroma_suppression);
++
++/**
++ * isppreview_config_whitebalance - Configures the White Balance parameters.
++ * @prev_wbal: Structure containing the digital gain and white balance
++ * coefficient.
++ *
++ * Coefficient matrix always with default values.
++ **/
++void isppreview_config_whitebalance(struct ispprev_wbal prev_wbal)
++{
++ u32 val;
++
++ isp_reg_writel(prev_wbal.dgain, OMAP3_ISP_IOMEM_PREV, ISPPRV_WB_DGAIN);
++
++ val = prev_wbal.coef0 << ISPPRV_WBGAIN_COEF0_SHIFT;
++ val |= prev_wbal.coef1 << ISPPRV_WBGAIN_COEF1_SHIFT;
++ val |= prev_wbal.coef2 << ISPPRV_WBGAIN_COEF2_SHIFT;
++ val |= prev_wbal.coef3 << ISPPRV_WBGAIN_COEF3_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_WBGAIN);
++
++ isp_reg_writel(ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N0_0_SHIFT |
++ ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N0_1_SHIFT |
++ ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N0_2_SHIFT |
++ ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N0_3_SHIFT |
++ ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N1_0_SHIFT |
++ ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N1_1_SHIFT |
++ ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N1_2_SHIFT |
++ ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N1_3_SHIFT |
++ ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N2_0_SHIFT |
++ ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N2_1_SHIFT |
++ ISPPRV_WBSEL_COEF0 << ISPPRV_WBSEL_N2_2_SHIFT |
++ ISPPRV_WBSEL_COEF1 << ISPPRV_WBSEL_N2_3_SHIFT |
++ ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N3_0_SHIFT |
++ ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N3_1_SHIFT |
++ ISPPRV_WBSEL_COEF2 << ISPPRV_WBSEL_N3_2_SHIFT |
++ ISPPRV_WBSEL_COEF3 << ISPPRV_WBSEL_N3_3_SHIFT,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_WBSEL);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_whitebalance);
++
++/**
++ * isppreview_config_whitebalance2 - Configures the White Balance parameters.
++ * @prev_wbal: Structure containing the digital gain and white balance
++ * coefficient.
++ *
++ * Coefficient matrix can be changed.
++ **/
++void isppreview_config_whitebalance2(struct prev_white_balance prev_wbal)
++{
++ isp_reg_writel(prev_wbal.wb_dgain,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_WB_DGAIN);
++ isp_reg_writel(prev_wbal.wb_gain[0] |
++ prev_wbal.wb_gain[1] << ISPPRV_WBGAIN_COEF1_SHIFT |
++ prev_wbal.wb_gain[2] << ISPPRV_WBGAIN_COEF2_SHIFT |
++ prev_wbal.wb_gain[3] << ISPPRV_WBGAIN_COEF3_SHIFT,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_WBGAIN);
++
++ isp_reg_writel(
++ prev_wbal.wb_coefmatrix[0][0] << ISPPRV_WBSEL_N0_0_SHIFT |
++ prev_wbal.wb_coefmatrix[0][1] << ISPPRV_WBSEL_N0_1_SHIFT |
++ prev_wbal.wb_coefmatrix[0][2] << ISPPRV_WBSEL_N0_2_SHIFT |
++ prev_wbal.wb_coefmatrix[0][3] << ISPPRV_WBSEL_N0_3_SHIFT |
++ prev_wbal.wb_coefmatrix[1][0] << ISPPRV_WBSEL_N1_0_SHIFT |
++ prev_wbal.wb_coefmatrix[1][1] << ISPPRV_WBSEL_N1_1_SHIFT |
++ prev_wbal.wb_coefmatrix[1][2] << ISPPRV_WBSEL_N1_2_SHIFT |
++ prev_wbal.wb_coefmatrix[1][3] << ISPPRV_WBSEL_N1_3_SHIFT |
++ prev_wbal.wb_coefmatrix[2][0] << ISPPRV_WBSEL_N2_0_SHIFT |
++ prev_wbal.wb_coefmatrix[2][1] << ISPPRV_WBSEL_N2_1_SHIFT |
++ prev_wbal.wb_coefmatrix[2][2] << ISPPRV_WBSEL_N2_2_SHIFT |
++ prev_wbal.wb_coefmatrix[2][3] << ISPPRV_WBSEL_N2_3_SHIFT |
++ prev_wbal.wb_coefmatrix[3][0] << ISPPRV_WBSEL_N3_0_SHIFT |
++ prev_wbal.wb_coefmatrix[3][1] << ISPPRV_WBSEL_N3_1_SHIFT |
++ prev_wbal.wb_coefmatrix[3][2] << ISPPRV_WBSEL_N3_2_SHIFT |
++ prev_wbal.wb_coefmatrix[3][3] << ISPPRV_WBSEL_N3_3_SHIFT,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_WBSEL);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_whitebalance2);
++
++/**
++ * isppreview_config_blkadj - Configures the Black Adjustment parameters.
++ * @prev_blkadj: Structure containing the black adjustment towards red, green,
++ * blue.
++ **/
++void isppreview_config_blkadj(struct ispprev_blkadj prev_blkadj)
++{
++ isp_reg_writel(prev_blkadj.blue |
++ (prev_blkadj.green << ISPPRV_BLKADJOFF_G_SHIFT) |
++ (prev_blkadj.red << ISPPRV_BLKADJOFF_R_SHIFT),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_BLKADJOFF);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_blkadj);
++
++/**
++ * isppreview_config_rgb_blending - Configures the RGB-RGB Blending matrix.
++ * @rgb2rgb: Structure containing the rgb to rgb blending matrix and the rgb
++ * offset.
++ **/
++void isppreview_config_rgb_blending(struct ispprev_rgbtorgb rgb2rgb)
++{
++ u32 val = 0;
++
++ val = (rgb2rgb.matrix[0][0] & 0xfff) << ISPPRV_RGB_MAT1_MTX_RR_SHIFT;
++ val |= (rgb2rgb.matrix[0][1] & 0xfff) << ISPPRV_RGB_MAT1_MTX_GR_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT1);
++
++ val = (rgb2rgb.matrix[0][2] & 0xfff) << ISPPRV_RGB_MAT2_MTX_BR_SHIFT;
++ val |= (rgb2rgb.matrix[1][0] & 0xfff) << ISPPRV_RGB_MAT2_MTX_RG_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT2);
++
++ val = (rgb2rgb.matrix[1][1] & 0xfff) << ISPPRV_RGB_MAT3_MTX_GG_SHIFT;
++ val |= (rgb2rgb.matrix[1][2] & 0xfff) << ISPPRV_RGB_MAT3_MTX_BG_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT3);
++
++ val = (rgb2rgb.matrix[2][0] & 0xfff) << ISPPRV_RGB_MAT4_MTX_RB_SHIFT;
++ val |= (rgb2rgb.matrix[2][1] & 0xfff) << ISPPRV_RGB_MAT4_MTX_GB_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT4);
++
++ val = (rgb2rgb.matrix[2][2] & 0xfff) << ISPPRV_RGB_MAT5_MTX_BB_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT5);
++
++ val = (rgb2rgb.offset[0] & 0x3ff) << ISPPRV_RGB_OFF1_MTX_OFFG_SHIFT;
++ val |= (rgb2rgb.offset[1] & 0x3ff) << ISPPRV_RGB_OFF1_MTX_OFFR_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF1);
++
++ val = (rgb2rgb.offset[2] & 0x3ff) << ISPPRV_RGB_OFF2_MTX_OFFB_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF2);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_rgb_blending);
++
++/**
++ * Configures the RGB-YCbYCr conversion matrix
++ * @prev_csc: Structure containing the RGB to YCbYCr matrix and the
++ * YCbCr offset.
++ **/
++void isppreview_config_rgb_to_ycbcr(struct ispprev_csc prev_csc)
++{
++ u32 val = 0;
++
++ val = (prev_csc.matrix[0][0] & 0x3ff) << ISPPRV_CSC0_RY_SHIFT;
++ val |= (prev_csc.matrix[0][1] & 0x3ff) << ISPPRV_CSC0_GY_SHIFT;
++ val |= (prev_csc.matrix[0][2] & 0x3ff) << ISPPRV_CSC0_BY_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC0);
++
++ val = (prev_csc.matrix[1][0] & 0x3ff) << ISPPRV_CSC1_RCB_SHIFT;
++ val |= (prev_csc.matrix[1][1] & 0x3ff) << ISPPRV_CSC1_GCB_SHIFT;
++ val |= (prev_csc.matrix[1][2] & 0x3ff) << ISPPRV_CSC1_BCB_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC1);
++
++ val = (prev_csc.matrix[2][0] & 0x3ff) << ISPPRV_CSC2_RCR_SHIFT;
++ val |= (prev_csc.matrix[2][1] & 0x3ff) << ISPPRV_CSC2_GCR_SHIFT;
++ val |= (prev_csc.matrix[2][2] & 0x3ff) << ISPPRV_CSC2_BCR_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC2);
++
++ val = (prev_csc.offset[0] & 0xff) << ISPPRV_CSC_OFFSET_CR_SHIFT;
++ val |= (prev_csc.offset[1] & 0xff) << ISPPRV_CSC_OFFSET_CB_SHIFT;
++ val |= (prev_csc.offset[2] & 0xff) << ISPPRV_CSC_OFFSET_Y_SHIFT;
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC_OFFSET);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_rgb_to_ycbcr);
++
++/**
++ * isppreview_query_contrast - Query the contrast.
++ * @contrast: Pointer to hold the current programmed contrast value.
++ **/
++void isppreview_query_contrast(u8 *contrast)
++{
++ u32 brt_cnt_val = 0;
++
++ brt_cnt_val = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT);
++ *contrast = (brt_cnt_val >> ISPPRV_CNT_BRT_CNT_SHIFT) & 0xff;
++ DPRINTK_ISPPREV(" Current brt cnt value in hw is %x\n", brt_cnt_val);
++}
++EXPORT_SYMBOL_GPL(isppreview_query_contrast);
++
++/**
++ * isppreview_update_contrast - Updates the contrast.
++ * @contrast: Pointer to hold the current programmed contrast value.
++ *
++ * Value should be programmed before enabling the module.
++ **/
++void isppreview_update_contrast(u8 *contrast)
++{
++ ispprev_obj.contrast = *contrast;
++}
++EXPORT_SYMBOL_GPL(isppreview_update_contrast);
++
++/**
++ * isppreview_config_contrast - Configures the Contrast.
++ * @contrast: 8 bit value in U8Q4 format.
++ *
++ * Value should be programmed before enabling the module.
++ **/
++void isppreview_config_contrast(u8 contrast)
++{
++ u32 brt_cnt_val = 0;
++
++ brt_cnt_val = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT);
++ brt_cnt_val &= ~(0xff << ISPPRV_CNT_BRT_CNT_SHIFT);
++ contrast &= 0xff;
++ isp_reg_writel(brt_cnt_val | contrast << ISPPRV_CNT_BRT_CNT_SHIFT,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_contrast);
++
++/**
++ * isppreview_get_contrast_range - Gets the range contrast value.
++ * @min_contrast: Pointer to hold the minimum Contrast value.
++ * @max_contrast: Pointer to hold the maximum Contrast value.
++ **/
++void isppreview_get_contrast_range(u8 *min_contrast, u8 *max_contrast)
++{
++ *min_contrast = ISPPRV_CONTRAST_MIN;
++ *max_contrast = ISPPRV_CONTRAST_MAX;
++}
++EXPORT_SYMBOL_GPL(isppreview_get_contrast_range);
++
++/**
++ * isppreview_update_brightness - Updates the brightness in preview module.
++ * @brightness: Pointer to hold the current programmed brightness value.
++ *
++ **/
++void isppreview_update_brightness(u8 *brightness)
++{
++ ispprev_obj.brightness = *brightness;
++}
++EXPORT_SYMBOL_GPL(isppreview_update_brightness);
++
++/**
++ * isppreview_config_brightness - Configures the brightness.
++ * @contrast: 8bitvalue in U8Q0 format.
++ **/
++void isppreview_config_brightness(u8 brightness)
++{
++ u32 brt_cnt_val = 0;
++
++ DPRINTK_ISPPREV("\tConfiguring brightness in ISP: %d\n", brightness);
++ brt_cnt_val = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT);
++ brt_cnt_val &= ~(0xff << ISPPRV_CNT_BRT_BRT_SHIFT);
++ brightness &= 0xff;
++ isp_reg_writel(brt_cnt_val | brightness << ISPPRV_CNT_BRT_BRT_SHIFT,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_brightness);
++
++/**
++ * isppreview_query_brightness - Query the brightness.
++ * @brightness: Pointer to hold the current programmed brightness value.
++ **/
++void isppreview_query_brightness(u8 *brightness)
++{
++ *brightness = isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT);
++}
++EXPORT_SYMBOL_GPL(isppreview_query_brightness);
++
++/**
++ * isppreview_get_brightness_range - Gets the range brightness value
++ * @min_brightness: Pointer to hold the minimum brightness value
++ * @max_brightness: Pointer to hold the maximum brightness value
++ **/
++void isppreview_get_brightness_range(u8 *min_brightness, u8 *max_brightness)
++{
++ *min_brightness = ISPPRV_BRIGHT_MIN;
++ *max_brightness = ISPPRV_BRIGHT_MAX;
++}
++EXPORT_SYMBOL_GPL(isppreview_get_brightness_range);
++
++/**
++ * isppreview_set_color - Sets the color effect.
++ * @mode: Indicates the required color effect.
++ **/
++void isppreview_set_color(u8 *mode)
++{
++ ispprev_obj.color = *mode;
++ update_color_matrix = 1;
++}
++EXPORT_SYMBOL_GPL(isppreview_set_color);
++
++/**
++ * isppreview_get_color - Gets the current color effect.
++ * @mode: Indicates the current color effect.
++ **/
++void isppreview_get_color(u8 *mode)
++{
++ *mode = ispprev_obj.color;
++}
++EXPORT_SYMBOL_GPL(isppreview_get_color);
++
++/**
++ * isppreview_config_yc_range - Configures the max and min Y and C values.
++ * @yclimit: Structure containing the range of Y and C values.
++ **/
++void isppreview_config_yc_range(struct ispprev_yclimit yclimit)
++{
++ isp_reg_writel(yclimit.maxC << ISPPRV_SETUP_YC_MAXC_SHIFT |
++ yclimit.maxY << ISPPRV_SETUP_YC_MAXY_SHIFT |
++ yclimit.minC << ISPPRV_SETUP_YC_MINC_SHIFT |
++ yclimit.minY << ISPPRV_SETUP_YC_MINY_SHIFT,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_SETUP_YC);
++}
++EXPORT_SYMBOL_GPL(isppreview_config_yc_range);
++
++/**
++ * isppreview_try_size - Calculates output dimensions with the modules enabled.
++ * @input_w: input width for the preview in number of pixels per line
++ * @input_h: input height for the preview in number of lines
++ * @output_w: output width from the preview in number of pixels per line
++ * @output_h: output height for the preview in number of lines
++ *
++ * Calculates the number of pixels cropped in the submodules that are enabled,
++ * Fills up the output width height variables in the isp_prev structure.
++ **/
++int isppreview_try_size(u32 input_w, u32 input_h, u32 *output_w, u32 *output_h)
++{
++ u32 prevout_w = input_w;
++ u32 prevout_h = input_h;
++ u32 div = 0;
++ int max_out;
++
++ ispprev_obj.previn_w = input_w;
++ ispprev_obj.previn_h = input_h;
++
++ if (input_w < 32 || input_h < 32) {
++ printk(KERN_ERR "ISP_ERR : preview does not support "
++ "width < 16 or height < 32 \n");
++ return -EINVAL;
++ }
++ if (omap_rev() == OMAP3430_REV_ES1_0)
++ max_out = ISPPRV_MAXOUTPUT_WIDTH;
++ else
++ max_out = ISPPRV_MAXOUTPUT_WIDTH_ES2;
++
++ ispprev_obj.fmtavg = 0;
++
++ if (input_w > max_out) {
++ div = (input_w/max_out);
++ if (div >= 2 && div < 4) {
++ ispprev_obj.fmtavg = 1;
++ prevout_w /= 2;
++ } else if (div >= 4 && div < 8) {
++ ispprev_obj.fmtavg = 2;
++ prevout_w /= 4;
++ } else if (div >= 8) {
++ ispprev_obj.fmtavg = 3;
++ prevout_w /= 8;
++ }
++ }
++
++ if (ispprev_obj.hmed_en)
++ prevout_w -= 4;
++ if (ispprev_obj.nf_en) {
++ prevout_w -= 4;
++ prevout_h -= 4;
++ }
++ if (ispprev_obj.cfa_en) {
++ switch (ispprev_obj.cfafmt) {
++ case CFAFMT_BAYER:
++ case CFAFMT_SONYVGA:
++ prevout_w -= 4;
++ prevout_h -= 4;
++ break;
++ case CFAFMT_RGBFOVEON:
++ case CFAFMT_RRGGBBFOVEON:
++ case CFAFMT_DNSPL:
++ case CFAFMT_HONEYCOMB:
++ prevout_h -= 2;
++ break;
++ };
++ }
++ if (ispprev_obj.yenh_en || ispprev_obj.csup_en)
++ prevout_w -= 2;
++
++ /* Start at the correct row/column by skipping
++ * a Sensor specific amount.
++ */
++ prevout_w -= ispprev_obj.sph;
++ prevout_h -= ispprev_obj.slv;
++
++
++ if (prevout_w % 2)
++ prevout_w -= 1;
++
++ if (ispprev_obj.prev_outfmt == PREVIEW_MEM) {
++ if (((prevout_w * 2) & ISP_32B_BOUNDARY_OFFSET) !=
++ (prevout_w * 2)) {
++ prevout_w = ((prevout_w * 2) &
++ ISP_32B_BOUNDARY_OFFSET) / 2;
++ }
++ }
++ *output_w = prevout_w;
++ ispprev_obj.prevout_w = prevout_w;
++ *output_h = prevout_h;
++ ispprev_obj.prevout_h = prevout_h;
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_try_size);
++
++/**
++ * isppreview_config_size - Sets the size of ISP preview output.
++ * @input_w: input width for the preview in number of pixels per line
++ * @input_h: input height for the preview in number of lines
++ * @output_w: output width from the preview in number of pixels per line
++ * @output_h: output height for the preview in number of lines
++ *
++ * Configures the appropriate values stored in the isp_prev structure to
++ * HORZ/VERT_INFO. Configures PRV_AVE if needed for downsampling as calculated
++ * in trysize.
++ **/
++int isppreview_config_size(u32 input_w, u32 input_h, u32 output_w, u32 output_h)
++{
++ u32 prevsdroff;
++
++ if ((output_w != ispprev_obj.prevout_w) ||
++ (output_h != ispprev_obj.prevout_h)) {
++ printk(KERN_ERR "ISP_ERR : isppreview_try_size should "
++ "be called before config size\n");
++ return -EINVAL;
++ }
++
++ isp_reg_writel((ispprev_obj.sph << ISPPRV_HORZ_INFO_SPH_SHIFT) |
++ (ispprev_obj.previn_w - 1),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_HORZ_INFO);
++ isp_reg_writel((ispprev_obj.slv << ISPPRV_VERT_INFO_SLV_SHIFT) |
++ (ispprev_obj.previn_h - 2),
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_VERT_INFO);
++
++ if (ispprev_obj.cfafmt == CFAFMT_BAYER)
++ isp_reg_writel(ISPPRV_AVE_EVENDIST_2 <<
++ ISPPRV_AVE_EVENDIST_SHIFT |
++ ISPPRV_AVE_ODDDIST_2 <<
++ ISPPRV_AVE_ODDDIST_SHIFT |
++ ispprev_obj.fmtavg,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_AVE);
++
++ if (ispprev_obj.prev_outfmt == PREVIEW_MEM) {
++ prevsdroff = ispprev_obj.prevout_w * 2;
++ if ((prevsdroff & ISP_32B_BOUNDARY_OFFSET) != prevsdroff) {
++ DPRINTK_ISPPREV("ISP_WARN: Preview output buffer line"
++ " size is truncated"
++ " to 32byte boundary\n");
++ prevsdroff &= ISP_32B_BOUNDARY_BUF ;
++ }
++ isppreview_config_outlineoffset(prevsdroff);
++ }
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_config_size);
++
++/**
++ * isppreview_config_inlineoffset - Configures the Read address line offset.
++ * @offset: Line Offset for the input image.
++ **/
++int isppreview_config_inlineoffset(u32 offset)
++{
++ if ((offset & ISP_32B_BOUNDARY_OFFSET) == offset) {
++ isp_reg_writel(offset & 0xffff,
++ OMAP3_ISP_IOMEM_PREV, ISPPRV_RADR_OFFSET);
++ } else {
++ printk(KERN_ERR "ISP_ERR : Offset should be in 32 byte "
++ "boundary\n");
++ return -EINVAL;
++ }
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_config_inlineoffset);
++
++/**
++ * isppreview_set_inaddr - Sets memory address of input frame.
++ * @addr: 32bit memory address aligned on 32byte boundary.
++ *
++ * Configures the memory address from which the input frame is to be read.
++ **/
++int isppreview_set_inaddr(u32 addr)
++{
++ if ((addr & ISP_32B_BOUNDARY_BUF) == addr)
++ isp_reg_writel(addr, OMAP3_ISP_IOMEM_PREV, ISPPRV_RSDR_ADDR);
++ else {
++ printk(KERN_ERR "ISP_ERR: Address should be in 32 byte "
++ "boundary\n");
++ return -EINVAL;
++ }
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_set_inaddr);
++
++/**
++ * isppreview_config_outlineoffset - Configures the Write address line offset.
++ * @offset: Line Offset for the preview output.
++ **/
++int isppreview_config_outlineoffset(u32 offset)
++{
++ if ((offset & ISP_32B_BOUNDARY_OFFSET) != offset) {
++ printk(KERN_ERR "ISP_ERR : Offset should be in 32 byte "
++ "boundary\n");
++ return -EINVAL;
++ }
++ isp_reg_writel(offset & 0xffff, OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_WADD_OFFSET);
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_config_outlineoffset);
++
++/**
++ * isppreview_set_outaddr - Sets the memory address to store output frame
++ * @addr: 32bit memory address aligned on 32byte boundary.
++ *
++ * Configures the memory address to which the output frame is written.
++ **/
++int isppreview_set_outaddr(u32 addr)
++{
++ if ((addr & ISP_32B_BOUNDARY_BUF) != addr) {
++ printk(KERN_ERR "ISP_ERR: Address should be in 32 byte "
++ "boundary\n");
++ return -EINVAL;
++ }
++ isp_reg_writel(addr, OMAP3_ISP_IOMEM_PREV, ISPPRV_WSDR_ADDR);
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_set_outaddr);
++
++/**
++ * isppreview_config_darklineoffset - Sets the Dark frame address line offset.
++ * @offset: Line Offset for the Darkframe.
++ **/
++int isppreview_config_darklineoffset(u32 offset)
++{
++ if ((offset & ISP_32B_BOUNDARY_OFFSET) != offset) {
++ printk(KERN_ERR "ISP_ERR : Offset should be in 32 byte "
++ "boundary\n");
++ return -EINVAL;
++ }
++ isp_reg_writel(offset & 0xffff, OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_DRKF_OFFSET);
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_config_darklineoffset);
++
++/**
++ * isppreview_set_darkaddr - Sets the memory address to store Dark frame.
++ * @addr: 32bit memory address aligned on 32 bit boundary.
++ **/
++int isppreview_set_darkaddr(u32 addr)
++{
++ if ((addr & ISP_32B_BOUNDARY_BUF) != addr) {
++ printk(KERN_ERR "ISP_ERR : Address should be in 32 byte "
++ "boundary\n");
++ return -EINVAL;
++ }
++ isp_reg_writel(addr, OMAP3_ISP_IOMEM_PREV, ISPPRV_DSDR_ADDR);
++ return 0;
++}
++EXPORT_SYMBOL_GPL(isppreview_set_darkaddr);
++
++void __isppreview_enable(int enable)
++{
++ if (enable)
++ isp_reg_or(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ISPPRV_PCR_EN);
++ else
++ isp_reg_and(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR, ~ISPPRV_PCR_EN);
++}
++
++/**
++ * isppreview_enable - Enables the Preview module.
++ * @enable: 1 - Enables the preview module.
++ *
++ * Client should configure all the sub modules in Preview before this.
++ **/
++void isppreview_enable(int enable)
++{
++ __isppreview_enable(enable);
++ ispprev_obj.pm_state = enable;
++}
++EXPORT_SYMBOL_GPL(isppreview_enable);
++
++/**
++ * isppreview_suspend - Suspend Preview module.
++ **/
++void isppreview_suspend(void)
++{
++ if (ispprev_obj.pm_state)
++ __isppreview_enable(0);
++}
++EXPORT_SYMBOL_GPL(isppreview_suspend);
++
++/**
++ * isppreview_resume - Resume Preview module.
++ **/
++void isppreview_resume(void)
++{
++ if (ispprev_obj.pm_state)
++ __isppreview_enable(1);
++}
++EXPORT_SYMBOL_GPL(isppreview_resume);
++
++
++/**
++ * isppreview_busy - Gets busy state of preview module.
++ **/
++int isppreview_busy(void)
++{
++ return isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR) &
++ ISPPRV_PCR_BUSY;
++}
++EXPORT_SYMBOL_GPL(isppreview_busy);
++
++/**
++ * isppreview_get_config - Gets parameters of preview module.
++ **/
++struct prev_params *isppreview_get_config(void)
++{
++ return prev_config_params;
++}
++EXPORT_SYMBOL_GPL(isppreview_get_config);
++
++/**
++ * isppreview_save_context - Saves the values of the preview module registers.
++ **/
++void isppreview_save_context(void)
++{
++ DPRINTK_ISPPREV("Saving context\n");
++ isp_save_context(ispprev_reg_list);
++}
++EXPORT_SYMBOL_GPL(isppreview_save_context);
++
++/**
++ * isppreview_restore_context - Restores the values of preview module registers
++ **/
++void isppreview_restore_context(void)
++{
++ DPRINTK_ISPPREV("Restoring context\n");
++ isp_restore_context(ispprev_reg_list);
++}
++EXPORT_SYMBOL_GPL(isppreview_restore_context);
++
++/**
++ * isppreview_print_status - Prints the values of the Preview Module registers.
++ *
++ * Also prints other debug information stored in the preview moduel.
++ **/
++void isppreview_print_status(void)
++{
++ DPRINTK_ISPPREV("Module in use =%d\n", ispprev_obj.prev_inuse);
++ DPRINTK_ISPPREV("Preview Input format =%d, Output Format =%d\n",
++ ispprev_obj.prev_inpfmt,
++ ispprev_obj.prev_outfmt);
++ DPRINTK_ISPPREV("Accepted Preview Input (width = %d,Height = %d)\n",
++ ispprev_obj.previn_w,
++ ispprev_obj.previn_h);
++ DPRINTK_ISPPREV("Accepted Preview Output (width = %d,Height = %d)\n",
++ ispprev_obj.prevout_w,
++ ispprev_obj.prevout_h);
++ DPRINTK_ISPPREV("###ISP_CTRL in preview =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_MAIN, ISP_CTRL));
++ DPRINTK_ISPPREV("###ISP_IRQ0ENABLE in preview =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0ENABLE));
++ DPRINTK_ISPPREV("###ISP_IRQ0STATUS in preview =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS));
++ DPRINTK_ISPPREV("###PRV PCR =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_PCR));
++ DPRINTK_ISPPREV("###PRV HORZ_INFO =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_HORZ_INFO));
++ DPRINTK_ISPPREV("###PRV VERT_INFO =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_VERT_INFO));
++ DPRINTK_ISPPREV("###PRV WSDR_ADDR =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_WSDR_ADDR));
++ DPRINTK_ISPPREV("###PRV WADD_OFFSET =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_WADD_OFFSET));
++ DPRINTK_ISPPREV("###PRV AVE =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_AVE));
++ DPRINTK_ISPPREV("###PRV HMED =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_HMED));
++ DPRINTK_ISPPREV("###PRV NF =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_NF));
++ DPRINTK_ISPPREV("###PRV WB_DGAIN =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_WB_DGAIN));
++ DPRINTK_ISPPREV("###PRV WBGAIN =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_WBGAIN));
++ DPRINTK_ISPPREV("###PRV WBSEL =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_WBSEL));
++ DPRINTK_ISPPREV("###PRV CFA =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CFA));
++ DPRINTK_ISPPREV("###PRV BLKADJOFF =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_BLKADJOFF));
++ DPRINTK_ISPPREV("###PRV RGB_MAT1 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT1));
++ DPRINTK_ISPPREV("###PRV RGB_MAT2 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT2));
++ DPRINTK_ISPPREV("###PRV RGB_MAT3 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT3));
++ DPRINTK_ISPPREV("###PRV RGB_MAT4 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT4));
++ DPRINTK_ISPPREV("###PRV RGB_MAT5 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_MAT5));
++ DPRINTK_ISPPREV("###PRV RGB_OFF1 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF1));
++ DPRINTK_ISPPREV("###PRV RGB_OFF2 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_RGB_OFF2));
++ DPRINTK_ISPPREV("###PRV CSC0 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC0));
++ DPRINTK_ISPPREV("###PRV CSC1 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC1));
++ DPRINTK_ISPPREV("###PRV CSC2 =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC2));
++ DPRINTK_ISPPREV("###PRV CSC_OFFSET =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CSC_OFFSET));
++ DPRINTK_ISPPREV("###PRV CNT_BRT =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CNT_BRT));
++ DPRINTK_ISPPREV("###PRV CSUP =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_CSUP));
++ DPRINTK_ISPPREV("###PRV SETUP_YC =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_PREV, ISPPRV_SETUP_YC));
++}
++EXPORT_SYMBOL_GPL(isppreview_print_status);
++
++/**
++ * isp_preview_init - Module Initialization.
++ **/
++int __init isp_preview_init(void)
++{
++ int i = 0;
++
++ prev_config_params = kmalloc(sizeof(*prev_config_params), GFP_KERNEL);
++ if (!prev_config_params) {
++ printk(KERN_ERR "Can't get memory for isp_preview params!\n");
++ return -ENOMEM;
++ }
++ params = prev_config_params;
++
++ ispprev_obj.prev_inuse = 0;
++ mutex_init(&ispprev_obj.ispprev_mutex);
++
++ /* Init values */
++ ispprev_obj.sph = 2;
++ ispprev_obj.slv = 0;
++ ispprev_obj.color = V4L2_COLORFX_NONE;
++ ispprev_obj.contrast = ISPPRV_CONTRAST_DEF;
++ params->contrast = ISPPRV_CONTRAST_DEF;
++ ispprev_obj.brightness = ISPPRV_BRIGHT_DEF;
++ params->brightness = ISPPRV_BRIGHT_DEF;
++ params->average = NO_AVE;
++ params->lens_shading_shift = 0;
++ params->pix_fmt = YCPOS_YCrYCb;
++ params->cfa.cfafmt = CFAFMT_BAYER;
++ params->cfa.cfa_table = cfa_coef_table;
++ params->cfa.cfa_gradthrs_horz = FLR_CFA_GRADTHRS_HORZ;
++ params->cfa.cfa_gradthrs_vert = FLR_CFA_GRADTHRS_VERT;
++ params->csup.gain = FLR_CSUP_GAIN;
++ params->csup.thres = FLR_CSUP_THRES;
++ params->csup.hypf_en = 0;
++ params->ytable = luma_enhance_table;
++ params->nf.spread = FLR_NF_STRGTH;
++ memcpy(params->nf.table, noise_filter_table, sizeof(params->nf.table));
++ params->dcor.couplet_mode_en = 1;
++ for (i = 0; i < 4; i++)
++ params->dcor.detect_correct[i] = 0xE;
++ params->gtable.bluetable = bluegamma_table;
++ params->gtable.greentable = greengamma_table;
++ params->gtable.redtable = redgamma_table;
++ params->wbal.dgain = FLR_WBAL_DGAIN;
++ if (omap_rev() > OMAP3430_REV_ES1_0) {
++ params->wbal.coef0 = FLR_WBAL_COEF0_ES1;
++ params->wbal.coef1 = FLR_WBAL_COEF1_ES1;
++ params->wbal.coef2 = FLR_WBAL_COEF2_ES1;
++ params->wbal.coef3 = FLR_WBAL_COEF3_ES1;
++ } else {
++ params->wbal.coef0 = FLR_WBAL_COEF0;
++ params->wbal.coef1 = FLR_WBAL_COEF1;
++ params->wbal.coef2 = FLR_WBAL_COEF2;
++ params->wbal.coef3 = FLR_WBAL_COEF3;
++ }
++ params->blk_adj.red = FLR_BLKADJ_RED;
++ params->blk_adj.green = FLR_BLKADJ_GREEN;
++ params->blk_adj.blue = FLR_BLKADJ_BLUE;
++ params->rgb2rgb = flr_rgb2rgb;
++ params->rgb2ycbcr = flr_prev_csc[ispprev_obj.color];
++
++ params->features = PREV_CFA | PREV_DEFECT_COR | PREV_NOISE_FILTER;
++ params->features &= ~(PREV_AVERAGER | PREV_INVERSE_ALAW |
++ PREV_HORZ_MEDIAN_FILTER |
++ PREV_GAMMA_BYPASS |
++ PREV_DARK_FRAME_SUBTRACT |
++ PREV_LENS_SHADING |
++ PREV_DARK_FRAME_CAPTURE |
++ PREV_CHROMA_SUPPRESS |
++ PREV_LUMA_ENHANCE);
++ return 0;
++}
++
++/**
++ * isp_preview_cleanup - Module Cleanup.
++ **/
++void isp_preview_cleanup(void)
++{
++ kfree(prev_config_params);
++}
+diff --git a/drivers/media/video/isp/isppreview.h b/drivers/media/video/isp/isppreview.h
+new file mode 100644
+index 0000000..e88c329
+--- /dev/null
++++ b/drivers/media/video/isp/isppreview.h
+@@ -0,0 +1,354 @@
++/*
++ * isppreview.h
++ *
++ * Driver header file for Preview module in TI's OMAP3 Camera ISP
++ *
++ * Copyright (C) 2009 Texas Instruments, Inc.
++ *
++ * Contributors:
++ * Senthilvadivu Guruswamy <svadivu@ti.com>
++ * Pallavi Kulkarni <p-kulkarni@ti.com>
++ * Sergio Aguirre <saaguirre@ti.com>
++ *
++ * This package is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
++ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
++ */
++
++#ifndef OMAP_ISP_PREVIEW_H
++#define OMAP_ISP_PREVIEW_H
++
++#include <mach/isp_user.h>
++/* Isp query control structure */
++
++#define ISPPRV_BRIGHT_STEP 0x1
++#define ISPPRV_BRIGHT_DEF 0x0
++#define ISPPRV_BRIGHT_LOW 0x0
++#define ISPPRV_BRIGHT_HIGH 0xF
++#define ISPPRV_BRIGHT_UNITS 0x7
++
++#define ISPPRV_CONTRAST_STEP 0x1
++#define ISPPRV_CONTRAST_DEF 0x4
++#define ISPPRV_CONTRAST_LOW 0x0
++#define ISPPRV_CONTRAST_HIGH 0xF
++#define ISPPRV_CONTRAST_UNITS 0x4
++
++#define NO_AVE 0x0
++#define AVE_2_PIX 0x1
++#define AVE_4_PIX 0x2
++#define AVE_8_PIX 0x3
++#define AVE_ODD_PIXEL_DIST (1 << 4) /* For Bayer Sensors */
++#define AVE_EVEN_PIXEL_DIST (1 << 2)
++
++#define WB_GAIN_MAX 4
++
++/* Features list */
++#define PREV_AVERAGER (1 << 0)
++#define PREV_INVERSE_ALAW (1 << 1)
++#define PREV_HORZ_MEDIAN_FILTER (1 << 2)
++#define PREV_NOISE_FILTER (1 << 3)
++#define PREV_CFA (1 << 4)
++#define PREV_GAMMA_BYPASS (1 << 5)
++#define PREV_LUMA_ENHANCE (1 << 6)
++#define PREV_CHROMA_SUPPRESS (1 << 7)
++#define PREV_DARK_FRAME_SUBTRACT (1 << 8)
++#define PREV_LENS_SHADING (1 << 9)
++#define PREV_DARK_FRAME_CAPTURE (1 << 10)
++#define PREV_DEFECT_COR (1 << 11)
++
++
++#define ISP_NF_TABLE_SIZE (1 << 10)
++
++#define ISP_GAMMA_TABLE_SIZE (1 << 10)
++
++/* Table addresses */
++#define ISPPRV_TBL_ADDR_RED_G_START 0x00
++#define ISPPRV_TBL_ADDR_BLUE_G_START 0x800
++#define ISPPRV_TBL_ADDR_GREEN_G_START 0x400
++
++/*
++ *Enumeration Constants for input and output format
++ */
++enum preview_input {
++ PRV_RAW_CCDC,
++ PRV_RAW_MEM,
++ PRV_RGBBAYERCFA,
++ PRV_COMPCFA,
++ PRV_CCDC_DRKF,
++ PRV_OTHERS
++};
++enum preview_output {
++ PREVIEW_RSZ,
++ PREVIEW_MEM
++};
++/*
++ * Configure byte layout of YUV image
++ */
++enum preview_ycpos_mode {
++ YCPOS_YCrYCb = 0,
++ YCPOS_YCbYCr = 1,
++ YCPOS_CbYCrY = 2,
++ YCPOS_CrYCbY = 3
++};
++
++/**
++ * struct ispprev_gtable - Structure for Gamma Correction.
++ * @redtable: Pointer to the red gamma table.
++ * @greentable: Pointer to the green gamma table.
++ * @bluetable: Pointer to the blue gamma table.
++ */
++struct ispprev_gtable {
++ u32 *redtable;
++ u32 *greentable;
++ u32 *bluetable;
++};
++
++/**
++ * struct prev_white_balance - Structure for White Balance 2.
++ * @wb_dgain: White balance common gain.
++ * @wb_gain: Individual color gains.
++ * @wb_coefmatrix: Coefficient matrix
++ */
++struct prev_white_balance {
++ u16 wb_dgain; /* white balance common gain */
++ u8 wb_gain[WB_GAIN_MAX]; /* individual color gains */
++ u8 wb_coefmatrix[WB_GAIN_MAX][WB_GAIN_MAX];
++};
++
++/**
++ * struct prev_size_params - Structure for size parameters.
++ * @hstart: Starting pixel.
++ * @vstart: Starting line.
++ * @hsize: Width of input image.
++ * @vsize: Height of input image.
++ * @pixsize: Pixel size of the image in terms of bits.
++ * @in_pitch: Line offset of input image.
++ * @out_pitch: Line offset of output image.
++ */
++struct prev_size_params {
++ unsigned int hstart;
++ unsigned int vstart;
++ unsigned int hsize;
++ unsigned int vsize;
++ unsigned char pixsize;
++ unsigned short in_pitch;
++ unsigned short out_pitch;
++};
++
++/**
++ * struct prev_rgb2ycbcr_coeffs - Structure RGB2YCbCr parameters.
++ * @coeff: Color conversion gains in 3x3 matrix.
++ * @offset: Color conversion offsets.
++ */
++struct prev_rgb2ycbcr_coeffs {
++ short coeff[RGB_MAX][RGB_MAX];
++ short offset[RGB_MAX];
++};
++
++/**
++ * struct prev_darkfrm_params - Structure for Dark frame suppression.
++ * @addr: Memory start address.
++ * @offset: Line offset.
++ */
++struct prev_darkfrm_params {
++ u32 addr;
++ u32 offset;
++ };
++
++/**
++ * struct prev_params - Structure for all configuration
++ * @features: Set of features enabled.
++ * @pix_fmt: Output pixel format.
++ * @cfa: CFA coefficients.
++ * @csup: Chroma suppression coefficients.
++ * @ytable: Pointer to Luma enhancement coefficients.
++ * @nf: Noise filter coefficients.
++ * @dcor: Noise filter coefficients.
++ * @gtable: Gamma coefficients.
++ * @wbal: White Balance parameters.
++ * @blk_adj: Black adjustment parameters.
++ * @rgb2rgb: RGB blending parameters.
++ * @rgb2ycbcr: RGB to ycbcr parameters.
++ * @hmf_params: Horizontal median filter.
++ * @size_params: Size parameters.
++ * @drkf_params: Darkframe parameters.
++ * @lens_shading_shift:
++ * @average: Downsampling rate for averager.
++ * @contrast: Contrast.
++ * @brightness: Brightness.
++ */
++struct prev_params {
++ u16 features;
++ enum preview_ycpos_mode pix_fmt;
++ struct ispprev_cfa cfa;
++ struct ispprev_csup csup;
++ u32 *ytable;
++ struct ispprev_nf nf;
++ struct ispprev_dcor dcor;
++ struct ispprev_gtable gtable;
++ struct ispprev_wbal wbal;
++ struct ispprev_blkadj blk_adj;
++ struct ispprev_rgbtorgb rgb2rgb;
++ struct ispprev_csc rgb2ycbcr;
++ struct ispprev_hmed hmf_params;
++ struct prev_size_params size_params;
++ struct prev_darkfrm_params drkf_params;
++ u8 lens_shading_shift;
++ u8 average;
++ u8 contrast;
++ u8 brightness;
++};
++
++/**
++ * struct isptables_update - Structure for Table Configuration.
++ * @update: Specifies which tables should be updated.
++ * @flag: Specifies which tables should be enabled.
++ * @prev_nf: Pointer to structure for Noise Filter
++ * @lsc: Pointer to LSC gain table. (currently not used)
++ * @red_gamma: Pointer to red gamma correction table.
++ * @green_gamma: Pointer to green gamma correction table.
++ * @blue_gamma: Pointer to blue gamma correction table.
++ */
++struct isptables_update {
++ u16 update;
++ u16 flag;
++ struct ispprev_nf *prev_nf;
++ u32 *lsc;
++ u32 *red_gamma;
++ u32 *green_gamma;
++ u32 *blue_gamma;
++};
++
++void isppreview_config_shadow_registers(void);
++
++int isppreview_request(void);
++
++int isppreview_free(void);
++
++int isppreview_config_datapath(enum preview_input input,
++ enum preview_output output);
++
++void isppreview_config_ycpos(enum preview_ycpos_mode mode);
++
++void isppreview_config_averager(u8 average);
++
++void isppreview_enable_invalaw(u8 enable);
++
++void isppreview_enable_drkframe(u8 enable);
++
++void isppreview_enable_shadcomp(u8 enable);
++
++void isppreview_config_drkf_shadcomp(u8 scomp_shtval);
++
++void isppreview_enable_gammabypass(u8 enable);
++
++void isppreview_enable_hmed(u8 enable);
++
++void isppreview_config_hmed(struct ispprev_hmed);
++
++void isppreview_enable_noisefilter(u8 enable);
++
++void isppreview_config_noisefilter(struct ispprev_nf prev_nf);
++
++void isppreview_enable_dcor(u8 enable);
++
++void isppreview_config_dcor(struct ispprev_dcor prev_dcor);
++
++
++void isppreview_config_cfa(struct ispprev_cfa);
++
++void isppreview_config_gammacorrn(struct ispprev_gtable);
++
++void isppreview_config_chroma_suppression(struct ispprev_csup csup);
++
++void isppreview_enable_cfa(u8 enable);
++
++void isppreview_config_luma_enhancement(u32 *ytable);
++
++void isppreview_enable_luma_enhancement(u8 enable);
++
++void isppreview_enable_chroma_suppression(u8 enable);
++
++void isppreview_config_whitebalance(struct ispprev_wbal);
++
++void isppreview_config_blkadj(struct ispprev_blkadj);
++
++void isppreview_config_rgb_blending(struct ispprev_rgbtorgb);
++
++void isppreview_config_rgb_to_ycbcr(struct ispprev_csc);
++
++void isppreview_update_contrast(u8 *contrast);
++
++void isppreview_query_contrast(u8 *contrast);
++
++void isppreview_config_contrast(u8 contrast);
++
++void isppreview_get_contrast_range(u8 *min_contrast, u8 *max_contrast);
++
++void isppreview_update_brightness(u8 *brightness);
++
++void isppreview_config_brightness(u8 brightness);
++
++void isppreview_get_brightness_range(u8 *min_brightness, u8 *max_brightness);
++
++void isppreview_set_color(u8 *mode);
++
++void isppreview_get_color(u8 *mode);
++
++void isppreview_query_brightness(u8 *brightness);
++
++void isppreview_config_yc_range(struct ispprev_yclimit yclimit);
++
++int isppreview_try_size(u32 input_w, u32 input_h, u32 *output_w,
++ u32 *output_h);
++
++int isppreview_config_size(u32 input_w, u32 input_h, u32 output_w,
++ u32 output_h);
++
++int isppreview_config_inlineoffset(u32 offset);
++
++int isppreview_set_inaddr(u32 addr);
++
++int isppreview_config_outlineoffset(u32 offset);
++
++int isppreview_set_outaddr(u32 addr);
++
++int isppreview_config_darklineoffset(u32 offset);
++
++int isppreview_set_darkaddr(u32 addr);
++
++void isppreview_enable(int enable);
++
++void isppreview_suspend(void);
++
++void isppreview_resume(void);
++
++int isppreview_busy(void);
++
++struct prev_params *isppreview_get_config(void);
++
++void isppreview_print_status(void);
++
++#ifndef CONFIG_ARCH_OMAP3410
++void isppreview_save_context(void);
++#else
++static inline void isppreview_save_context(void) {}
++#endif
++
++#ifndef CONFIG_ARCH_OMAP3410
++void isppreview_restore_context(void);
++#else
++static inline void isppreview_restore_context(void) {}
++#endif
++
++int omap34xx_isp_preview_config(void *userspace_add);
++
++int omap34xx_isp_tables_update(struct isptables_update *isptables_struct);
++
++void isppreview_set_skip(u32 h, u32 v);
++
++#endif/* OMAP_ISP_PREVIEW_H */
+diff --git a/drivers/media/video/isp/ispresizer.c b/drivers/media/video/isp/ispresizer.c
+new file mode 100644
+index 0000000..f78ddb3
+--- /dev/null
++++ b/drivers/media/video/isp/ispresizer.c
+@@ -0,0 +1,928 @@
++/*
++ * ispresizer.c
++ *
++ * Driver Library for Resizer module in TI's OMAP3 Camera ISP
++ *
++ * Copyright (C)2009 Texas Instruments, Inc.
++ *
++ * Contributors:
++ * Sameer Venkatraman <sameerv@ti.com>
++ * Mohit Jalori
++ * Sergio Aguirre <saaguirre@ti.com>
++ *
++ * This package is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
++ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
++ */
++
++#include <linux/module.h>
++
++#include "isp.h"
++#include "ispreg.h"
++#include "ispresizer.h"
++
++/* Default configuration of resizer,filter coefficients,yenh for camera isp */
++static struct isprsz_yenh ispreszdefaultyenh = {0, 0, 0, 0};
++static struct isprsz_coef ispreszdefcoef = {
++ {
++ 0x0027, 0x00B2, 0x00B2, 0x0027,
++ 0x0027, 0x00B2, 0x0027, 0x00B2,
++ 0x0027, 0x00B2, 0x0027, 0x00B2,
++ 0x0027, 0x00B2, 0x0027, 0x00B2,
++ 0x0027, 0x00B2, 0x0027, 0x00B2,
++ 0x0027, 0x00B2, 0x0027, 0x00B2,
++ 0x0027, 0x00B2, 0x0027, 0x00B2,
++ 0x0027, 0x00B2, 0x0027, 0x00B2,
++ },
++ {
++ 0x0000, 0x0100, 0x0000, 0x0000,
++ 0x03FA, 0x00F6, 0x0010, 0x0000,
++ 0x03F9, 0x00DB, 0x002C, 0x0000,
++ 0x03FB, 0x00B3, 0x0053, 0x03FF,
++ 0x03FD, 0x0082, 0x0084, 0x03FD,
++ 0x03FF, 0x0053, 0x00B3, 0x03FB,
++ 0x0000, 0x002C, 0x00DB, 0x03F9,
++ 0x0000, 0x0010, 0x00F6, 0x03FA
++ },
++ {
++ 0x0004, 0x0023, 0x0023, 0x005A,
++ 0x005A, 0x0058, 0x0058, 0x0004,
++ 0x0023, 0x0023, 0x005A, 0x005A,
++ 0x0058, 0x0058, 0x0004, 0x0023,
++ 0x0023, 0x005A, 0x005A, 0x0058,
++ 0x0058, 0x0004, 0x0023, 0x0023,
++ 0x005A, 0x005A, 0x0058, 0x0058
++ },
++ {
++ 0x0004, 0x0023, 0x005A, 0x0058,
++ 0x0023, 0x0004, 0x0000, 0x0002,
++ 0x0018, 0x004d, 0x0060, 0x0031,
++ 0x0008, 0x0000, 0x0001, 0x000f,
++ 0x003f, 0x0062, 0x003f, 0x000f,
++ 0x0001, 0x0000, 0x0008, 0x0031,
++ 0x0060, 0x004d, 0x0018, 0x0002
++ }
++};
++
++/**
++ * struct isp_res - Structure for the resizer module to store its information.
++ * @res_inuse: Indicates if resizer module has been reserved. 1 - Reserved,
++ * 0 - Freed.
++ * @h_startphase: Horizontal starting phase.
++ * @v_startphase: Vertical starting phase.
++ * @h_resz: Horizontal resizing value.
++ * @v_resz: Vertical resizing value.
++ * @outputwidth: Output Image Width in pixels.
++ * @outputheight: Output Image Height in pixels.
++ * @inputwidth: Input Image Width in pixels.
++ * @inputheight: Input Image Height in pixels.
++ * @algo: Algorithm select. 0 - Disable, 1 - [-1 2 -1]/2 high-pass filter,
++ * 2 - [-1 -2 6 -2 -1]/4 high-pass filter.
++ * @ipht_crop: Vertical start line for cropping.
++ * @ipwd_crop: Horizontal start pixel for cropping.
++ * @cropwidth: Crop Width.
++ * @cropheight: Crop Height.
++ * @resinput: Resizer input.
++ * @coeflist: Register configuration for Resizer.
++ * @ispres_mutex: Mutex for isp resizer.
++ */
++static struct isp_res {
++ int pm_state;
++ u8 res_inuse;
++ u8 h_startphase;
++ u8 v_startphase;
++ u16 h_resz;
++ u16 v_resz;
++ u32 outputwidth;
++ u32 outputheight;
++ u32 inputwidth;
++ u32 inputheight;
++ u8 algo;
++ u32 ipht_crop;
++ u32 ipwd_crop;
++ u32 cropwidth;
++ u32 cropheight;
++ dma_addr_t tmp_buf;
++ enum ispresizer_input resinput;
++ struct isprsz_coef coeflist;
++ struct mutex ispres_mutex; /* For checking/modifying res_inuse */
++} ispres_obj;
++
++/* Structure for saving/restoring resizer module registers */
++static struct isp_reg isprsz_reg_list[] = {
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_OUT_SIZE, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_SIZE, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INADD, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INOFF, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTADD, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTOFF, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT10, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT32, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT54, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT76, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT98, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT1110, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT1312, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT1514, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT1716, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT1918, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT2120, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT2322, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT2524, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT2726, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT2928, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_HFILT3130, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT10, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT32, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT54, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT76, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT98, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT1110, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT1312, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT1514, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT1716, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT1918, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT2120, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT2322, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT2524, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT2726, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT2928, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_VFILT3130, 0x0000},
++ {OMAP3_ISP_IOMEM_RESZ, ISPRSZ_YENH, 0x0000},
++ {0, ISP_TOK_TERM, 0x0000}
++};
++
++/**
++ * ispresizer_config_shadow_registers - Configure shadow registers.
++ **/
++void ispresizer_config_shadow_registers()
++{
++ return;
++}
++EXPORT_SYMBOL(ispresizer_config_shadow_registers);
++
++/**
++ * ispresizer_trycrop - Validate crop dimensions.
++ * @left: Left distance to start position of crop.
++ * @top: Top distance to start position of crop.
++ * @width: Width of input image.
++ * @height: Height of input image.
++ * @ow: Width of output image.
++ * @oh: Height of output image.
++ **/
++void ispresizer_trycrop(u32 left, u32 top, u32 width, u32 height, u32 ow,
++ u32 oh)
++{
++ ispres_obj.cropwidth = width + 6;
++ ispres_obj.cropheight = height + 6;
++ ispresizer_try_size(&ispres_obj.cropwidth, &ispres_obj.cropheight, &ow,
++ &oh);
++ ispres_obj.ipht_crop = top;
++ ispres_obj.ipwd_crop = left;
++}
++EXPORT_SYMBOL(ispresizer_trycrop);
++
++/**
++ * ispresizer_applycrop - Apply crop to input image.
++ **/
++void ispresizer_applycrop(void)
++{
++ ispresizer_config_size(ispres_obj.cropwidth, ispres_obj.cropheight,
++ ispres_obj.outputwidth,
++ ispres_obj.outputheight);
++ return;
++}
++EXPORT_SYMBOL(ispresizer_applycrop);
++
++/**
++ * ispresizer_request - Reserves the Resizer module.
++ *
++ * Allows only one user at a time.
++ *
++ * Returns 0 if successful, or -EBUSY if resizer module was already requested.
++ **/
++int ispresizer_request()
++{
++ mutex_lock(&ispres_obj.ispres_mutex);
++ if (!ispres_obj.res_inuse) {
++ ispres_obj.res_inuse = 1;
++ mutex_unlock(&ispres_obj.ispres_mutex);
++ isp_reg_writel(isp_reg_readl(OMAP3_ISP_IOMEM_MAIN, ISP_CTRL) |
++ ISPCTRL_SBL_WR0_RAM_EN |
++ ISPCTRL_RSZ_CLK_EN,
++ OMAP3_ISP_IOMEM_MAIN, ISP_CTRL);
++ return 0;
++ } else {
++ mutex_unlock(&ispres_obj.ispres_mutex);
++ printk(KERN_ERR "ISP_ERR : Resizer Module Busy\n");
++ return -EBUSY;
++ }
++}
++EXPORT_SYMBOL(ispresizer_request);
++
++/**
++ * ispresizer_free - Makes Resizer module free.
++ *
++ * Returns 0 if successful, or -EINVAL if resizer module was already freed.
++ **/
++int ispresizer_free()
++{
++ mutex_lock(&ispres_obj.ispres_mutex);
++ if (ispres_obj.res_inuse) {
++ ispres_obj.res_inuse = 0;
++ mutex_unlock(&ispres_obj.ispres_mutex);
++ isp_reg_and(OMAP3_ISP_IOMEM_MAIN, ISP_CTRL,
++ ~(ISPCTRL_RSZ_CLK_EN | ISPCTRL_SBL_WR0_RAM_EN));
++ return 0;
++ } else {
++ mutex_unlock(&ispres_obj.ispres_mutex);
++ DPRINTK_ISPRESZ("ISP_ERR : Resizer Module already freed\n");
++ return -EINVAL;
++ }
++}
++EXPORT_SYMBOL(ispresizer_free);
++
++/**
++ * ispresizer_config_datapath - Specifies which input to use in resizer module
++ * @input: Indicates the module that gives the image to resizer.
++ *
++ * Sets up the default resizer configuration according to the arguments.
++ *
++ * Returns 0 if successful, or -EINVAL if an unsupported input was requested.
++ **/
++int ispresizer_config_datapath(enum ispresizer_input input)
++{
++ u32 cnt = 0;
++ DPRINTK_ISPRESZ("ispresizer_config_datapath()+\n");
++ ispres_obj.resinput = input;
++ switch (input) {
++ case RSZ_OTFLY_YUV:
++ cnt &= ~ISPRSZ_CNT_INPTYP;
++ cnt &= ~ISPRSZ_CNT_INPSRC;
++ ispresizer_set_inaddr(0);
++ ispresizer_config_inlineoffset(0);
++ break;
++ case RSZ_MEM_YUV:
++ cnt |= ISPRSZ_CNT_INPSRC;
++ cnt &= ~ISPRSZ_CNT_INPTYP;
++ break;
++ case RSZ_MEM_COL8:
++ cnt |= ISPRSZ_CNT_INPSRC;
++ cnt |= ISPRSZ_CNT_INPTYP;
++ break;
++ default:
++ printk(KERN_ERR "ISP_ERR : Wrong Input\n");
++ return -EINVAL;
++ }
++ isp_reg_or(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, cnt);
++ ispresizer_config_ycpos(0);
++ ispresizer_config_filter_coef(&ispreszdefcoef);
++ ispresizer_enable_cbilin(0);
++ ispresizer_config_luma_enhance(&ispreszdefaultyenh);
++ DPRINTK_ISPRESZ("ispresizer_config_datapath()-\n");
++ return 0;
++}
++EXPORT_SYMBOL(ispresizer_config_datapath);
++
++/**
++ * ispresizer_try_size - Validates input and output images size.
++ * @input_w: input width for the resizer in number of pixels per line
++ * @input_h: input height for the resizer in number of lines
++ * @output_w: output width from the resizer in number of pixels per line
++ * resizer when writing to memory needs this to be multiple of 16.
++ * @output_h: output height for the resizer in number of lines, must be even.
++ *
++ * Calculates the horizontal and vertical resize ratio, number of pixels to
++ * be cropped in the resizer module and checks the validity of various
++ * parameters. Formula used for calculation is:-
++ *
++ * 8-phase 4-tap mode :-
++ * inputwidth = (32 * sph + (ow - 1) * hrsz + 16) >> 8 + 7
++ * inputheight = (32 * spv + (oh - 1) * vrsz + 16) >> 8 + 4
++ * endpahse for width = ((32 * sph + (ow - 1) * hrsz + 16) >> 5) % 8
++ * endphase for height = ((32 * sph + (oh - 1) * hrsz + 16) >> 5) % 8
++ *
++ * 4-phase 7-tap mode :-
++ * inputwidth = (64 * sph + (ow - 1) * hrsz + 32) >> 8 + 7
++ * inputheight = (64 * spv + (oh - 1) * vrsz + 32) >> 8 + 7
++ * endpahse for width = ((64 * sph + (ow - 1) * hrsz + 32) >> 6) % 4
++ * endphase for height = ((64 * sph + (oh - 1) * hrsz + 32) >> 6) % 4
++ *
++ * Where:
++ * sph = Start phase horizontal
++ * spv = Start phase vertical
++ * ow = Output width
++ * oh = Output height
++ * hrsz = Horizontal resize value
++ * vrsz = Vertical resize value
++ *
++ * Fills up the output/input widht/height, horizontal/vertical resize ratio,
++ * horizontal/vertical crop variables in the isp_res structure.
++ **/
++int ispresizer_try_size(u32 *input_width, u32 *input_height, u32 *output_w,
++ u32 *output_h)
++{
++ u32 rsz, rsz_7, rsz_4;
++ u32 sph;
++ u32 input_w, input_h;
++ int max_in_otf, max_out_7tap;
++
++ input_w = *input_width;
++ input_h = *input_height;
++
++ if (input_w < 32 || input_h < 32) {
++ DPRINTK_ISPCCDC("ISP_ERR: RESIZER cannot handle input width"
++ " less than 32 pixels or height less than"
++ " 32\n");
++ return -EINVAL;
++ }
++ input_w -= 6;
++ input_h -= 6;
++
++ if (input_h > MAX_IN_HEIGHT)
++ return -EINVAL;
++
++ if (*output_w < 16)
++ *output_w = 16;
++
++ if (*output_h < 2)
++ *output_h = 2;
++
++ if (omap_rev() == OMAP3430_REV_ES1_0) {
++ max_in_otf = MAX_IN_WIDTH_ONTHEFLY_MODE;
++ max_out_7tap = MAX_7TAP_VRSZ_OUTWIDTH;
++ } else {
++ max_in_otf = MAX_IN_WIDTH_ONTHEFLY_MODE_ES2;
++ max_out_7tap = MAX_7TAP_VRSZ_OUTWIDTH_ES2;
++ }
++
++ if (ispres_obj.resinput == RSZ_OTFLY_YUV) {
++ if (input_w > max_in_otf)
++ return -EINVAL;
++ } else {
++ if (input_w > MAX_IN_WIDTH_MEMORY_MODE)
++ return -EINVAL;
++ }
++
++ *output_h &= 0xfffffffe;
++ sph = DEFAULTSTPHASE;
++
++ rsz_7 = ((input_h - 7) * 256) / (*output_h - 1);
++ rsz_4 = ((input_h - 4) * 256) / (*output_h - 1);
++
++ rsz = (input_h * 256) / *output_h;
++
++ if (rsz <= MID_RESIZE_VALUE) {
++ rsz = rsz_4;
++ if (rsz < MINIMUM_RESIZE_VALUE) {
++ rsz = MINIMUM_RESIZE_VALUE;
++ *output_h = (((input_h - 4) * 256) / rsz) + 1;
++ printk(KERN_INFO "%s: using output_h %d instead\n",
++ __func__, *output_h);
++ }
++ } else {
++ rsz = rsz_7;
++ if (*output_w > max_out_7tap)
++ *output_w = max_out_7tap;
++ if (rsz > MAXIMUM_RESIZE_VALUE) {
++ rsz = MAXIMUM_RESIZE_VALUE;
++ *output_h = (((input_h - 7) * 256) / rsz) + 1;
++ printk(KERN_INFO "%s: using output_h %d instead\n",
++ __func__, *output_h);
++ }
++ }
++
++ if (rsz > MID_RESIZE_VALUE) {
++ input_h =
++ (((64 * sph) + ((*output_h - 1) * rsz) + 32) / 256) + 7;
++ } else {
++ input_h =
++ (((32 * sph) + ((*output_h - 1) * rsz) + 16) / 256) + 4;
++ }
++
++ ispres_obj.outputheight = *output_h;
++ ispres_obj.v_resz = rsz;
++ ispres_obj.inputheight = input_h;
++ ispres_obj.ipht_crop = DEFAULTSTPIXEL;
++ ispres_obj.v_startphase = sph;
++
++ *output_w &= 0xfffffff0;
++ sph = DEFAULTSTPHASE;
++
++ rsz_7 = ((input_w - 7) * 256) / (*output_w - 1);
++ rsz_4 = ((input_w - 4) * 256) / (*output_w - 1);
++
++ rsz = (input_w * 256) / *output_w;
++ if (rsz > MID_RESIZE_VALUE) {
++ rsz = rsz_7;
++ if (rsz > MAXIMUM_RESIZE_VALUE) {
++ rsz = MAXIMUM_RESIZE_VALUE;
++ *output_w = (((input_w - 7) * 256) / rsz) + 1;
++ *output_w = (*output_w + 0xf) & 0xfffffff0;
++ printk(KERN_INFO "%s: using output_w %d instead\n",
++ __func__, *output_w);
++ }
++ } else {
++ rsz = rsz_4;
++ if (rsz < MINIMUM_RESIZE_VALUE) {
++ rsz = MINIMUM_RESIZE_VALUE;
++ *output_w = (((input_w - 4) * 256) / rsz) + 1;
++ *output_w = (*output_w + 0xf) & 0xfffffff0;
++ printk(KERN_INFO "%s: using output_w %d instead\n",
++ __func__, *output_w);
++ }
++ }
++
++ /* Recalculate input based on TRM equations */
++ if (rsz > MID_RESIZE_VALUE) {
++ input_w =
++ (((64 * sph) + ((*output_w - 1) * rsz) + 32) / 256) + 7;
++ } else {
++ input_w =
++ (((32 * sph) + ((*output_w - 1) * rsz) + 16) / 256) + 7;
++ }
++
++ ispres_obj.outputwidth = *output_w;
++ ispres_obj.h_resz = rsz;
++ ispres_obj.inputwidth = input_w;
++ ispres_obj.ipwd_crop = DEFAULTSTPIXEL;
++ ispres_obj.h_startphase = sph;
++
++ *input_height = input_h;
++ *input_width = input_w;
++ return 0;
++}
++EXPORT_SYMBOL(ispresizer_try_size);
++
++/**
++ * ispresizer_config_size - Configures input and output image size.
++ * @input_w: input width for the resizer in number of pixels per line.
++ * @input_h: input height for the resizer in number of lines.
++ * @output_w: output width from the resizer in number of pixels per line.
++ * @output_h: output height for the resizer in number of lines.
++ *
++ * Configures the appropriate values stored in the isp_res structure in the
++ * resizer registers.
++ *
++ * Returns 0 if successful, or -EINVAL if passed values haven't been verified
++ * with ispresizer_try_size() previously.
++ **/
++int ispresizer_config_size(u32 input_w, u32 input_h, u32 output_w,
++ u32 output_h)
++{
++ int i, j;
++ u32 res;
++ DPRINTK_ISPRESZ("ispresizer_config_size()+, input_w = %d,input_h ="
++ " %d, output_w = %d, output_h"
++ " = %d,hresz = %d,vresz = %d,"
++ " hcrop = %d, vcrop = %d,"
++ " hstph = %d, vstph = %d\n",
++ ispres_obj.inputwidth,
++ ispres_obj.inputheight,
++ ispres_obj.outputwidth,
++ ispres_obj.outputheight,
++ ispres_obj.h_resz,
++ ispres_obj.v_resz,
++ ispres_obj.ipwd_crop,
++ ispres_obj.ipht_crop,
++ ispres_obj.h_startphase,
++ ispres_obj.v_startphase);
++ if ((output_w != ispres_obj.outputwidth)
++ || (output_h != ispres_obj.outputheight)) {
++ printk(KERN_ERR "Output parameters passed do not match the"
++ " values calculated by the"
++ " trysize passed w %d, h %d"
++ " \n", output_w , output_h);
++ return -EINVAL;
++ }
++
++ /* Set Resizer input address and offset adderss */
++ ispresizer_config_inlineoffset(isp_reg_readl(OMAP3_ISP_IOMEM_PREV,
++ ISPPRV_WADD_OFFSET));
++
++ res = isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT) &
++ ~(ISPRSZ_CNT_HSTPH_MASK | ISPRSZ_CNT_VSTPH_MASK);
++ isp_reg_writel(res |
++ (ispres_obj.h_startphase << ISPRSZ_CNT_HSTPH_SHIFT) |
++ (ispres_obj.v_startphase << ISPRSZ_CNT_VSTPH_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_CNT);
++ /* Set start address for cropping */
++ isp_reg_writel(ispres_obj.tmp_buf + 2 *
++ (ispres_obj.ipht_crop * ispres_obj.inputwidth +
++ (ispres_obj.ipwd_crop & ~15)),
++ OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INADD);
++
++ isp_reg_writel(
++ ((ispres_obj.ipwd_crop & 15) << ISPRSZ_IN_START_HORZ_ST_SHIFT) |
++ (0x00 << ISPRSZ_IN_START_VERT_ST_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START);
++
++ isp_reg_writel((0x00 << ISPRSZ_IN_START_HORZ_ST_SHIFT) |
++ (0x00 << ISPRSZ_IN_START_VERT_ST_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_IN_START);
++
++ isp_reg_writel((ispres_obj.inputwidth << ISPRSZ_IN_SIZE_HORZ_SHIFT) |
++ (ispres_obj.inputheight <<
++ ISPRSZ_IN_SIZE_VERT_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_IN_SIZE);
++ if (!ispres_obj.algo) {
++ isp_reg_writel((output_w << ISPRSZ_OUT_SIZE_HORZ_SHIFT) |
++ (output_h << ISPRSZ_OUT_SIZE_VERT_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_OUT_SIZE);
++ } else {
++ isp_reg_writel(((output_w - 4) << ISPRSZ_OUT_SIZE_HORZ_SHIFT) |
++ (output_h << ISPRSZ_OUT_SIZE_VERT_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_OUT_SIZE);
++ }
++
++ res = isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT) &
++ ~(ISPRSZ_CNT_HRSZ_MASK | ISPRSZ_CNT_VRSZ_MASK);
++ isp_reg_writel(res |
++ ((ispres_obj.h_resz - 1) << ISPRSZ_CNT_HRSZ_SHIFT) |
++ ((ispres_obj.v_resz - 1) << ISPRSZ_CNT_VRSZ_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_CNT);
++ if (ispres_obj.h_resz <= MID_RESIZE_VALUE) {
++ j = 0;
++ for (i = 0; i < 16; i++) {
++ isp_reg_writel(
++ (ispres_obj.coeflist.h_filter_coef_4tap[j]
++ << ISPRSZ_HFILT10_COEF0_SHIFT) |
++ (ispres_obj.coeflist.h_filter_coef_4tap[j + 1]
++ << ISPRSZ_HFILT10_COEF1_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_HFILT10 + (i * 0x04));
++ j += 2;
++ }
++ } else {
++ j = 0;
++ for (i = 0; i < 16; i++) {
++ if ((i + 1) % 4 == 0) {
++ isp_reg_writel((ispres_obj.coeflist.
++ h_filter_coef_7tap[j] <<
++ ISPRSZ_HFILT10_COEF0_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_HFILT10 + (i * 0x04));
++ j += 1;
++ } else {
++ isp_reg_writel((ispres_obj.coeflist.
++ h_filter_coef_7tap[j] <<
++ ISPRSZ_HFILT10_COEF0_SHIFT) |
++ (ispres_obj.coeflist.
++ h_filter_coef_7tap[j+1] <<
++ ISPRSZ_HFILT10_COEF1_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_HFILT10 + (i * 0x04));
++ j += 2;
++ }
++ }
++ }
++ if (ispres_obj.v_resz <= MID_RESIZE_VALUE) {
++ j = 0;
++ for (i = 0; i < 16; i++) {
++ isp_reg_writel((ispres_obj.coeflist.
++ v_filter_coef_4tap[j] <<
++ ISPRSZ_VFILT10_COEF0_SHIFT) |
++ (ispres_obj.coeflist.
++ v_filter_coef_4tap[j + 1] <<
++ ISPRSZ_VFILT10_COEF1_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_VFILT10 + (i * 0x04));
++ j += 2;
++ }
++ } else {
++ j = 0;
++ for (i = 0; i < 16; i++) {
++ if ((i + 1) % 4 == 0) {
++ isp_reg_writel((ispres_obj.coeflist.
++ v_filter_coef_7tap[j] <<
++ ISPRSZ_VFILT10_COEF0_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_VFILT10 + (i * 0x04));
++ j += 1;
++ } else {
++ isp_reg_writel((ispres_obj.coeflist.
++ v_filter_coef_7tap[j] <<
++ ISPRSZ_VFILT10_COEF0_SHIFT) |
++ (ispres_obj.coeflist.
++ v_filter_coef_7tap[j+1] <<
++ ISPRSZ_VFILT10_COEF1_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_VFILT10 + (i * 0x04));
++ j += 2;
++ }
++ }
++ }
++
++ ispresizer_config_outlineoffset(output_w*2);
++ DPRINTK_ISPRESZ("ispresizer_config_size()-\n");
++ return 0;
++}
++EXPORT_SYMBOL(ispresizer_config_size);
++
++void __ispresizer_enable(int enable)
++{
++ int val;
++ DPRINTK_ISPRESZ("+ispresizer_enable()+\n");
++ if (enable) {
++ val = (isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_PCR) & 0x2) |
++ ISPRSZ_PCR_ENABLE;
++ } else {
++ val = isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_PCR) &
++ ~ISPRSZ_PCR_ENABLE;
++ }
++ isp_reg_writel(val, OMAP3_ISP_IOMEM_RESZ, ISPRSZ_PCR);
++ DPRINTK_ISPRESZ("+ispresizer_enable()-\n");
++}
++
++/**
++ * ispresizer_enable - Enables the resizer module.
++ * @enable: 1 - Enable, 0 - Disable
++ *
++ * Client should configure all the sub modules in resizer before this.
++ **/
++void ispresizer_enable(int enable)
++{
++ __ispresizer_enable(enable);
++ ispres_obj.pm_state = enable;
++}
++EXPORT_SYMBOL(ispresizer_enable);
++
++/**
++ * ispresizer_suspend - Suspend resizer module.
++ **/
++void ispresizer_suspend(void)
++{
++ if (ispres_obj.pm_state)
++ __ispresizer_enable(0);
++}
++EXPORT_SYMBOL(ispresizer_suspend);
++
++/**
++ * ispresizer_resume - Resume resizer module.
++ **/
++void ispresizer_resume(void)
++{
++ if (ispres_obj.pm_state)
++ __ispresizer_enable(1);
++}
++EXPORT_SYMBOL(ispresizer_resume);
++
++/**
++ * ispresizer_busy - Checks if ISP resizer is busy.
++ *
++ * Returns busy field from ISPRSZ_PCR register.
++ **/
++int ispresizer_busy(void)
++{
++ return isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_PCR) &
++ ISPPRV_PCR_BUSY;
++}
++EXPORT_SYMBOL(ispresizer_busy);
++
++/**
++ * ispresizer_config_startphase - Sets the horizontal and vertical start phase.
++ * @hstartphase: horizontal start phase (0 - 7).
++ * @vstartphase: vertical startphase (0 - 7).
++ *
++ * This API just updates the isp_res struct. Actual register write happens in
++ * ispresizer_config_size.
++ **/
++void ispresizer_config_startphase(u8 hstartphase, u8 vstartphase)
++{
++ DPRINTK_ISPRESZ("ispresizer_config_startphase()+\n");
++ ispres_obj.h_startphase = hstartphase;
++ ispres_obj.v_startphase = vstartphase;
++ DPRINTK_ISPRESZ("ispresizer_config_startphase()-\n");
++}
++EXPORT_SYMBOL(ispresizer_config_startphase);
++
++/**
++ * ispresizer_config_ycpos - Specifies if output should be in YC or CY format.
++ * @yc: 0 - YC format, 1 - CY format
++ **/
++void ispresizer_config_ycpos(u8 yc)
++{
++ DPRINTK_ISPRESZ("ispresizer_config_ycpos()+\n");
++ isp_reg_and_or(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, ~ISPRSZ_CNT_YCPOS,
++ (yc ? ISPRSZ_CNT_YCPOS : 0));
++ DPRINTK_ISPRESZ("ispresizer_config_ycpos()-\n");
++}
++EXPORT_SYMBOL(ispresizer_config_ycpos);
++
++/**
++ * Sets the chrominance algorithm
++ * @cbilin: 0 - chrominance uses same processing as luminance,
++ * 1 - bilinear interpolation processing
++ **/
++void ispresizer_enable_cbilin(u8 enable)
++{
++ DPRINTK_ISPRESZ("ispresizer_enable_cbilin()+\n");
++ isp_reg_and_or(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, ~ISPRSZ_CNT_CBILIN,
++ (enable ? ISPRSZ_CNT_CBILIN : 0));
++ DPRINTK_ISPRESZ("ispresizer_enable_cbilin()-\n");
++}
++EXPORT_SYMBOL(ispresizer_enable_cbilin);
++
++/**
++ * ispresizer_config_luma_enhance - Configures luminance enhancer parameters.
++ * @yenh: Pointer to structure containing desired values for core, slope, gain
++ * and algo parameters.
++ **/
++void ispresizer_config_luma_enhance(struct isprsz_yenh *yenh)
++{
++ DPRINTK_ISPRESZ("ispresizer_config_luma_enhance()+\n");
++ ispres_obj.algo = yenh->algo;
++ isp_reg_writel((yenh->algo << ISPRSZ_YENH_ALGO_SHIFT) |
++ (yenh->gain << ISPRSZ_YENH_GAIN_SHIFT) |
++ (yenh->slope << ISPRSZ_YENH_SLOP_SHIFT) |
++ (yenh->coreoffset << ISPRSZ_YENH_CORE_SHIFT),
++ OMAP3_ISP_IOMEM_RESZ,
++ ISPRSZ_YENH);
++ DPRINTK_ISPRESZ("ispresizer_config_luma_enhance()-\n");
++}
++EXPORT_SYMBOL(ispresizer_config_luma_enhance);
++
++/**
++ * ispresizer_config_filter_coef - Sets filter coefficients for 4 & 7-tap mode.
++ * This API just updates the isp_res struct.Actual register write happens in
++ * ispresizer_config_size.
++ * @coef: Structure containing horizontal and vertical filter coefficients for
++ * both 4-tap and 7-tap mode.
++ **/
++void ispresizer_config_filter_coef(struct isprsz_coef *coef)
++{
++ int i;
++ DPRINTK_ISPRESZ("ispresizer_config_filter_coef()+\n");
++ for (i = 0; i < 32; i++) {
++ ispres_obj.coeflist.h_filter_coef_4tap[i] =
++ coef->h_filter_coef_4tap[i];
++ ispres_obj.coeflist.v_filter_coef_4tap[i] =
++ coef->v_filter_coef_4tap[i];
++ }
++ for (i = 0; i < 28; i++) {
++ ispres_obj.coeflist.h_filter_coef_7tap[i] =
++ coef->h_filter_coef_7tap[i];
++ ispres_obj.coeflist.v_filter_coef_7tap[i] =
++ coef->v_filter_coef_7tap[i];
++ }
++ DPRINTK_ISPRESZ("ispresizer_config_filter_coef()-\n");
++}
++EXPORT_SYMBOL(ispresizer_config_filter_coef);
++
++/**
++ * ispresizer_config_inlineoffset - Configures the read address line offset.
++ * @offset: Line Offset for the input image.
++ *
++ * Returns 0 if successful, or -EINVAL if offset is not 32 bits aligned.
++ **/
++int ispresizer_config_inlineoffset(u32 offset)
++{
++ DPRINTK_ISPRESZ("ispresizer_config_inlineoffset()+\n");
++ if (offset % 32)
++ return -EINVAL;
++ isp_reg_writel(offset << ISPRSZ_SDR_INOFF_OFFSET_SHIFT,
++ OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INOFF);
++ DPRINTK_ISPRESZ("ispresizer_config_inlineoffset()-\n");
++ return 0;
++}
++EXPORT_SYMBOL(ispresizer_config_inlineoffset);
++
++/**
++ * ispresizer_set_inaddr - Sets the memory address of the input frame.
++ * @addr: 32bit memory address aligned on 32byte boundary.
++ *
++ * Returns 0 if successful, or -EINVAL if address is not 32 bits aligned.
++ **/
++int ispresizer_set_inaddr(u32 addr)
++{
++ DPRINTK_ISPRESZ("ispresizer_set_inaddr()+\n");
++ if (addr % 32)
++ return -EINVAL;
++ isp_reg_writel(addr << ISPRSZ_SDR_INADD_ADDR_SHIFT,
++ OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INADD);
++ ispres_obj.tmp_buf = addr;
++ DPRINTK_ISPRESZ("ispresizer_set_inaddr()-\n");
++ return 0;
++}
++EXPORT_SYMBOL(ispresizer_set_inaddr);
++
++/**
++ * ispresizer_config_outlineoffset - Configures the write address line offset.
++ * @offset: Line offset for the preview output.
++ *
++ * Returns 0 if successful, or -EINVAL if address is not 32 bits aligned.
++ **/
++int ispresizer_config_outlineoffset(u32 offset)
++{
++ DPRINTK_ISPRESZ("ispresizer_config_outlineoffset()+\n");
++ if (offset % 32)
++ return -EINVAL;
++ isp_reg_writel(offset << ISPRSZ_SDR_OUTOFF_OFFSET_SHIFT,
++ OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTOFF);
++ DPRINTK_ISPRESZ("ispresizer_config_outlineoffset()-\n");
++ return 0;
++}
++EXPORT_SYMBOL(ispresizer_config_outlineoffset);
++
++/**
++ * Configures the memory address to which the output frame is written.
++ * @addr: 32bit memory address aligned on 32byte boundary.
++ **/
++int ispresizer_set_outaddr(u32 addr)
++{
++ DPRINTK_ISPRESZ("ispresizer_set_outaddr()+\n");
++ if (addr % 32)
++ return -EINVAL;
++ isp_reg_writel(addr << ISPRSZ_SDR_OUTADD_ADDR_SHIFT,
++ OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTADD);
++ DPRINTK_ISPRESZ("ispresizer_set_outaddr()-\n");
++ return 0;
++}
++EXPORT_SYMBOL(ispresizer_set_outaddr);
++
++/**
++ * ispresizer_save_context - Saves the values of the resizer module registers.
++ **/
++void ispresizer_save_context(void)
++{
++ DPRINTK_ISPRESZ("Saving context\n");
++ isp_save_context(isprsz_reg_list);
++}
++EXPORT_SYMBOL(ispresizer_save_context);
++
++/**
++ * ispresizer_restore_context - Restores resizer module register values.
++ **/
++void ispresizer_restore_context(void)
++{
++ DPRINTK_ISPRESZ("Restoring context\n");
++ isp_restore_context(isprsz_reg_list);
++}
++EXPORT_SYMBOL(ispresizer_restore_context);
++
++/**
++ * ispresizer_print_status - Prints the values of the resizer module registers.
++ **/
++void ispresizer_print_status()
++{
++ if (!is_ispresz_debug_enabled())
++ return;
++ DPRINTK_ISPRESZ("###ISP_CTRL inresizer =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_MAIN, ISP_CTRL));
++ DPRINTK_ISPRESZ("###ISP_IRQ0ENABLE in resizer =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0ENABLE));
++ DPRINTK_ISPRESZ("###ISP_IRQ0STATUS in resizer =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS));
++ DPRINTK_ISPRESZ("###RSZ PCR =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_PCR));
++ DPRINTK_ISPRESZ("###RSZ CNT =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT));
++ DPRINTK_ISPRESZ("###RSZ OUT SIZE =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_OUT_SIZE));
++ DPRINTK_ISPRESZ("###RSZ IN START =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START));
++ DPRINTK_ISPRESZ("###RSZ IN SIZE =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_SIZE));
++ DPRINTK_ISPRESZ("###RSZ SDR INADD =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INADD));
++ DPRINTK_ISPRESZ("###RSZ SDR INOFF =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_INOFF));
++ DPRINTK_ISPRESZ("###RSZ SDR OUTADD =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTADD));
++ DPRINTK_ISPRESZ("###RSZ SDR OTOFF =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_SDR_OUTOFF));
++ DPRINTK_ISPRESZ("###RSZ YENH =0x%x\n",
++ isp_reg_readl(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_YENH));
++}
++EXPORT_SYMBOL(ispresizer_print_status);
++
++/**
++ * isp_resizer_init - Module Initialisation.
++ *
++ * Always returns 0.
++ **/
++int __init isp_resizer_init(void)
++{
++ mutex_init(&ispres_obj.ispres_mutex);
++ ispres_obj.pm_state = 0;
++ return 0;
++}
++
++/**
++ * isp_resizer_cleanup - Module Cleanup.
++ **/
++void isp_resizer_cleanup(void)
++{
++}
+diff --git a/drivers/media/video/isp/ispresizer.h b/drivers/media/video/isp/ispresizer.h
+new file mode 100644
+index 0000000..4e92225
+--- /dev/null
++++ b/drivers/media/video/isp/ispresizer.h
+@@ -0,0 +1,158 @@
++/*
++ * ispresizer.h
++ *
++ * Driver header file for Resizer module in TI's OMAP3 Camera ISP
++ *
++ * Copyright (C) 2009 Texas Instruments, Inc.
++ *
++ * Contributors:
++ * Sameer Venkatraman <sameerv@ti.com>
++ * Mohit Jalori
++ * Sergio Aguirre <saaguirre@ti.com>
++ *
++ * This package is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
++ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
++ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
++ */
++
++#ifndef OMAP_ISP_RESIZER_H
++#define OMAP_ISP_RESIZER_H
++
++/*
++ * Resizer Constants
++ */
++#define MAX_IN_WIDTH_MEMORY_MODE 4095
++
++#define MAX_IN_WIDTH_ONTHEFLY_MODE 1280
++#define MAX_IN_WIDTH_ONTHEFLY_MODE_ES2 4095
++#define MAX_IN_HEIGHT 4095
++#define MINIMUM_RESIZE_VALUE 64
++#define MAXIMUM_RESIZE_VALUE 1024
++#define MID_RESIZE_VALUE 512
++
++#define MAX_7TAP_HRSZ_OUTWIDTH 1280
++#define MAX_7TAP_VRSZ_OUTWIDTH 640
++
++#define MAX_7TAP_HRSZ_OUTWIDTH_ES2 3300
++#define MAX_7TAP_VRSZ_OUTWIDTH_ES2 1650
++
++#define DEFAULTSTPIXEL 0
++#define DEFAULTSTPHASE 1
++#define DEFAULTHSTPIXEL4TAPMODE 3
++#define FOURPHASE 4
++#define EIGHTPHASE 8
++#define RESIZECONSTANT 256
++#define SHIFTER4TAPMODE 0
++#define SHIFTER7TAPMODE 1
++#define DEFAULTOFFSET 7
++#define OFFSETVERT4TAPMODE 4
++#define OPWDALIGNCONSTANT 0xfffffff0
++
++/*
++ * The client is supposed to call resizer API in the following sequence:
++ * - request()
++ * - config_datatpath()
++ * - optionally config/enable sub modules
++ * - try/config size
++ * - setup callback
++ * - setup in/out memory offsets and ptrs
++ * - enable()
++ * ...
++ * - disable()
++ * - free()
++ */
++
++enum ispresizer_input {
++ RSZ_OTFLY_YUV,
++ RSZ_MEM_YUV,
++ RSZ_MEM_COL8
++};
++
++/**
++ * struct isprsz_coef - Structure for resizer filter coeffcients.
++ * @h_filter_coef_4tap: Horizontal filter coefficients for 8-phase/4-tap
++ * mode (.5x-4x)
++ * @v_filter_coef_4tap: Vertical filter coefficients for 8-phase/4-tap
++ * mode (.5x-4x)
++ * @h_filter_coef_7tap: Horizontal filter coefficients for 4-phase/7-tap
++ * mode (.25x-.5x)
++ * @v_filter_coef_7tap: Vertical filter coefficients for 4-phase/7-tap
++ * mode (.25x-.5x)
++ */
++struct isprsz_coef {
++ u16 h_filter_coef_4tap[32];
++ u16 v_filter_coef_4tap[32];
++ u16 h_filter_coef_7tap[28];
++ u16 v_filter_coef_7tap[28];
++};
++
++/**
++ * struct isprsz_yenh - Structure for resizer luminance enhancer parameters.
++ * @algo: Algorithm select.
++ * @gain: Maximum gain.
++ * @slope: Slope.
++ * @coreoffset: Coring offset.
++ */
++struct isprsz_yenh {
++ u8 algo;
++ u8 gain;
++ u8 slope;
++ u8 coreoffset;
++};
++
++void ispresizer_config_shadow_registers(void);
++
++int ispresizer_request(void);
++
++int ispresizer_free(void);
++
++int ispresizer_config_datapath(enum ispresizer_input input);
++
++void ispresizer_enable_cbilin(u8 enable);
++
++void ispresizer_config_ycpos(u8 yc);
++
++void ispresizer_config_startphase(u8 hstartphase, u8 vstartphase);
++
++void ispresizer_config_filter_coef(struct isprsz_coef *coef);
++
++void ispresizer_config_luma_enhance(struct isprsz_yenh *yenh);
++
++int ispresizer_try_size(u32 *input_w, u32 *input_h, u32 *output_w,
++ u32 *output_h);
++
++void ispresizer_applycrop(void);
++
++void ispresizer_trycrop(u32 left, u32 top, u32 width, u32 height, u32 ow,
++ u32 oh);
++
++int ispresizer_config_size(u32 input_w, u32 input_h, u32 output_w,
++ u32 output_h);
++
++int ispresizer_config_inlineoffset(u32 offset);
++
++int ispresizer_set_inaddr(u32 addr);
++
++int ispresizer_config_outlineoffset(u32 offset);
++
++int ispresizer_set_outaddr(u32 addr);
++
++void ispresizer_enable(int enable);
++
++void ispresizer_suspend(void);
++
++void ispresizer_resume(void);
++
++int ispresizer_busy(void);
++
++void ispresizer_save_context(void);
++
++void ispresizer_restore_context(void);
++
++void ispresizer_print_status(void);
++
++#endif /* OMAP_ISP_RESIZER_H */
+--
+1.5.6.5
+