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/*
* Controls for M5MOLS 8M Pixel camera sensor with ISP
*
* Copyright (C) 2011 Samsung Electronics Co., Ltd.
* Author: HeungJun Kim <riverful.kim@samsung.com>
*
* Copyright (C) 2009 Samsung Electronics Co., Ltd.
* Author: Dongsoo Nathaniel Kim <dongsoo45.kim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-ctrls.h>
#include "m5mols.h"
#include "m5mols_reg.h"
static int m5mols_wb_mode(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = &info->sd;
int ret;
if (info->is_awb_lock) {
ret = m5mols_set_awb_lock(info, false);
if (!ret)
return ret;
}
/* 0x01 : Auto Whitebalance, 0x02 : Manual Whitebalance. */
return i2c_w8_wb(sd, CAT6_AWB_MODE, (ctrl->val) ? 0x1 : 0x2);
}
static int m5mols_exposure_mode(struct m5mols_info *info,
struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = &info->sd;
int ret;
if (info->is_ae_lock) {
ret = m5mols_set_ae_lock(info, false);
if (ret)
return ret;
}
/* 0x01 : Auto Exposure, 0x0 : Manual Exposure. */
return i2c_w8_ae(sd, CAT3_AE_MODE,
(ctrl->val == V4L2_EXPOSURE_AUTO) ? 0x1 : 0x0);
}
static int m5mols_exposure(struct m5mols_info *info)
{
struct v4l2_subdev *sd = &info->sd;
return i2c_w16_ae(sd, CAT3_MANUAL_GAIN_MON, info->exposure->val);
}
static int m5mols_zoom(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = &info->sd;
return i2c_w8_mon(sd, CAT2_ZOOM, ctrl->val);
}
static int m5mols_focus_mode(struct m5mols_info *info,
struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = &info->sd;
u32 reg;
int ret;
ret = m5mols_set_mode(sd, MODE_MONITOR);
if (!ret)
ret = i2c_r8_system(sd, CAT0_INT_FACTOR, ®);
if (!ret)
ret = i2c_w8_system(sd, CAT0_INT_ENABLE, (1 << INT_BIT_AF));
if (!ret)
/* must be excuted in the monitor mode */
ret = i2c_w8_lens(sd, CATA_INIT_AF_FUNC, 0x1);
/* 0x0 : Normal AF mode
* 0x1 : Macro AF mode
* 0x2 : Continuous AF mode (Not working) */
return i2c_w8_lens(sd, CATA_AF_MODE, 0x0);
}
static int m5mols_focus(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = &info->sd;
/* 0x0: Stop,
0x1: Excute AF,
0x02: Excutre MF rel(Not tested),
0x03: Excute MF absol(Not tested) */
return i2c_w8_lens(sd, CATA_AF_EXCUTE, ctrl->val);
}
static int m5mols_set_saturation(struct m5mols_info *info,
struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = &info->sd;
static u8 m5mols_chroma_lvl[] = {
0x1c, 0x3e, 0x5f, 0x80, 0xa1, 0xc2, 0xe4,
};
int ret;
ret = i2c_w8_mon(sd, CAT2_CHROMA_LVL, m5mols_chroma_lvl[ctrl->val]);
if (!ret)
ret = i2c_w8_mon(sd, CAT2_CHROMA_EN, true);
return ret;
}
static int m5mols_set_colorfx(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = &info->sd;
static u8 m5mols_effects_gamma[] = { /* cat 1: Effects */
[V4L2_COLORFX_NEGATIVE] = 0x01,
[V4L2_COLORFX_EMBOSS] = 0x06,
[V4L2_COLORFX_SKETCH] = 0x07,
};
static u8 m5mols_cfixb_chroma[] = { /* cat 2: Cr for effect */
[V4L2_COLORFX_BW] = 0x0,
[V4L2_COLORFX_SEPIA] = 0xd8,
[V4L2_COLORFX_SKY_BLUE] = 0x40,
[V4L2_COLORFX_GRASS_GREEN] = 0xe0,
};
static u8 m5mols_cfixr_chroma[] = { /* cat 2: Cb for effect */
[V4L2_COLORFX_BW] = 0x0,
[V4L2_COLORFX_SEPIA] = 0x18,
[V4L2_COLORFX_SKY_BLUE] = 0x00,
[V4L2_COLORFX_GRASS_GREEN] = 0xe0,
};
int ret = -EINVAL;
switch (ctrl->val) {
case V4L2_COLORFX_NONE:
return i2c_w8_mon(sd, CAT2_COLOR_EFFECT, false);
case V4L2_COLORFX_BW: /* chroma: Gray */
case V4L2_COLORFX_SEPIA: /* chroma: Sepia */
case V4L2_COLORFX_SKY_BLUE: /* chroma: Blue */
case V4L2_COLORFX_GRASS_GREEN: /* chroma: Green */
ret = i2c_w8_mon(sd, CAT2_CFIXB,
m5mols_cfixb_chroma[ctrl->val]);
if (!ret)
ret = i2c_w8_mon(sd, CAT2_CFIXR,
m5mols_cfixr_chroma[ctrl->val]);
if (!ret)
ret = i2c_w8_mon(sd, CAT2_COLOR_EFFECT, true);
return ret;
case V4L2_COLORFX_NEGATIVE: /* gamma: Negative */
case V4L2_COLORFX_EMBOSS: /* gamma: Emboss */
case V4L2_COLORFX_SKETCH: /* gamma: Outline */
ret = i2c_w8_param(sd, CAT1_EFFECT,
m5mols_effects_gamma[ctrl->val]);
if (!ret)
ret = i2c_w8_mon(sd, CAT2_COLOR_EFFECT, true);
return ret;
}
return ret;
}
int m5mols_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = to_sd(ctrl);
struct m5mols_info *info = to_m5mols(sd);
int ret = 0;
switch (ctrl->id) {
case V4L2_CID_ZOOM_ABSOLUTE:
return m5mols_zoom(info, ctrl);
case V4L2_CID_FOCUS_AUTO:
if (ctrl->val != 0)
ret = m5mols_focus_mode(info, ctrl);
if (!ret)
ret = m5mols_focus(info, ctrl);
return ret;
case V4L2_CID_EXPOSURE_AUTO:
if (!ctrl->is_new)
ctrl->val = V4L2_EXPOSURE_MANUAL;
ret = m5mols_exposure_mode(info, ctrl);
if (!ret && ctrl->val == V4L2_EXPOSURE_MANUAL)
ret = m5mols_exposure(info);
return ret;
case V4L2_CID_AUTO_WHITE_BALANCE:
return m5mols_wb_mode(info, ctrl);
case V4L2_CID_SATURATION:
return m5mols_set_saturation(info, ctrl);
case V4L2_CID_COLORFX:
return m5mols_set_colorfx(info, ctrl);
}
return -EINVAL;
}
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