300 lines
8.8 KiB
C
300 lines
8.8 KiB
C
/*
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* Controls for M-5MOLS 8M Pixel camera sensor with ISP
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*
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* Copyright (C) 2011 Samsung Electronics Co., Ltd.
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* Author: HeungJun Kim <riverful.kim@samsung.com>
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*
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* Copyright (C) 2009 Samsung Electronics Co., Ltd.
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* Author: Dongsoo Nathaniel Kim <dongsoo45.kim@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/i2c.h>
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#include <linux/delay.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-ctrls.h>
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#include "m5mols.h"
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#include "m5mols_reg.h"
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static struct m5mols_scenemode m5mols_default_scenemode[] = {
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[REG_SCENE_NORMAL] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_NORMAL, REG_LIGHT_OFF, REG_FLASH_OFF,
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5, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_PORTRAIT] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 4,
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REG_AF_NORMAL, BIT_FD_EN | BIT_FD_DRAW_FACE_FRAME,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_LANDSCAPE] = {
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REG_AE_ALL, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 4, REG_EDGE_ON, 6,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_SPORTS] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_PARTY_INDOOR] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_200, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_BEACH_SNOW] = {
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REG_AE_CENTER, REG_AE_INDEX_10_POS, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_SUNSET] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
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REG_AWB_DAYLIGHT,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_DAWN_DUSK] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
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REG_AWB_FLUORESCENT_1,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_FALL] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 5, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_NIGHT] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_AGAINST_LIGHT] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_FIRE] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
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},
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[REG_SCENE_TEXT] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 7,
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REG_AF_MACRO, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_ANTI_SHAKE, REG_WDR_ON,
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},
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[REG_SCENE_CANDLE] = {
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REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
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REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
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REG_AF_NORMAL, REG_FD_OFF,
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REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
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6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
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},
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};
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/**
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* m5mols_do_scenemode() - Change current scenemode
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* @mode: Desired mode of the scenemode
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*
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* WARNING: The execution order is important. Do not change the order.
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*/
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int m5mols_do_scenemode(struct m5mols_info *info, u8 mode)
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{
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struct v4l2_subdev *sd = &info->sd;
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struct m5mols_scenemode scenemode = m5mols_default_scenemode[mode];
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int ret;
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if (mode > REG_SCENE_CANDLE)
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return -EINVAL;
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ret = m5mols_lock_3a(info, false);
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if (!ret)
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ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, mode);
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if (!ret)
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ret = m5mols_write(sd, AE_EV_PRESET_CAPTURE, mode);
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if (!ret)
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ret = m5mols_write(sd, AE_MODE, scenemode.metering);
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if (!ret)
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ret = m5mols_write(sd, AE_INDEX, scenemode.ev_bias);
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if (!ret)
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ret = m5mols_write(sd, AWB_MODE, scenemode.wb_mode);
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if (!ret)
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ret = m5mols_write(sd, AWB_MANUAL, scenemode.wb_preset);
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if (!ret)
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ret = m5mols_write(sd, MON_CHROMA_EN, scenemode.chroma_en);
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if (!ret)
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ret = m5mols_write(sd, MON_CHROMA_LVL, scenemode.chroma_lvl);
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if (!ret)
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ret = m5mols_write(sd, MON_EDGE_EN, scenemode.edge_en);
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if (!ret)
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ret = m5mols_write(sd, MON_EDGE_LVL, scenemode.edge_lvl);
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if (!ret && is_available_af(info))
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ret = m5mols_write(sd, AF_MODE, scenemode.af_range);
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if (!ret && is_available_af(info))
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ret = m5mols_write(sd, FD_CTL, scenemode.fd_mode);
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if (!ret)
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ret = m5mols_write(sd, MON_TONE_CTL, scenemode.tone);
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if (!ret)
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ret = m5mols_write(sd, AE_ISO, scenemode.iso);
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if (!ret)
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ret = m5mols_mode(info, REG_CAPTURE);
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if (!ret)
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ret = m5mols_write(sd, CAPP_WDR_EN, scenemode.wdr);
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if (!ret)
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ret = m5mols_write(sd, CAPP_MCC_MODE, scenemode.mcc);
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if (!ret)
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ret = m5mols_write(sd, CAPP_LIGHT_CTRL, scenemode.light);
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if (!ret)
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ret = m5mols_write(sd, CAPP_FLASH_CTRL, scenemode.flash);
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if (!ret)
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ret = m5mols_write(sd, CAPC_MODE, scenemode.capt_mode);
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if (!ret)
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ret = m5mols_mode(info, REG_MONITOR);
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return ret;
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}
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static int m5mols_lock_ae(struct m5mols_info *info, bool lock)
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{
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int ret = 0;
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if (info->lock_ae != lock)
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ret = m5mols_write(&info->sd, AE_LOCK,
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lock ? REG_AE_LOCK : REG_AE_UNLOCK);
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if (!ret)
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info->lock_ae = lock;
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return ret;
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}
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static int m5mols_lock_awb(struct m5mols_info *info, bool lock)
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{
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int ret = 0;
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if (info->lock_awb != lock)
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ret = m5mols_write(&info->sd, AWB_LOCK,
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lock ? REG_AWB_LOCK : REG_AWB_UNLOCK);
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if (!ret)
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info->lock_awb = lock;
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return ret;
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}
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/* m5mols_lock_3a() - Lock 3A(Auto Exposure, Auto Whitebalance, Auto Focus) */
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int m5mols_lock_3a(struct m5mols_info *info, bool lock)
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{
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int ret;
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ret = m5mols_lock_ae(info, lock);
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if (!ret)
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ret = m5mols_lock_awb(info, lock);
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/* Don't need to handle unlocking AF */
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if (!ret && is_available_af(info) && lock)
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ret = m5mols_write(&info->sd, AF_EXECUTE, REG_AF_STOP);
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return ret;
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}
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/* m5mols_set_ctrl() - The main s_ctrl function called by m5mols_set_ctrl() */
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int m5mols_set_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct v4l2_subdev *sd = to_sd(ctrl);
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struct m5mols_info *info = to_m5mols(sd);
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int ret;
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switch (ctrl->id) {
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case V4L2_CID_ZOOM_ABSOLUTE:
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return m5mols_write(sd, MON_ZOOM, ctrl->val);
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case V4L2_CID_EXPOSURE_AUTO:
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ret = m5mols_lock_ae(info,
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ctrl->val == V4L2_EXPOSURE_AUTO ? false : true);
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if (!ret && ctrl->val == V4L2_EXPOSURE_AUTO)
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ret = m5mols_write(sd, AE_MODE, REG_AE_ALL);
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if (!ret && ctrl->val == V4L2_EXPOSURE_MANUAL) {
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int val = info->exposure->val;
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ret = m5mols_write(sd, AE_MODE, REG_AE_OFF);
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if (!ret)
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ret = m5mols_write(sd, AE_MAN_GAIN_MON, val);
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if (!ret)
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ret = m5mols_write(sd, AE_MAN_GAIN_CAP, val);
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}
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return ret;
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case V4L2_CID_AUTO_WHITE_BALANCE:
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ret = m5mols_lock_awb(info, ctrl->val ? false : true);
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if (!ret)
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ret = m5mols_write(sd, AWB_MODE, ctrl->val ?
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REG_AWB_AUTO : REG_AWB_PRESET);
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return ret;
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case V4L2_CID_SATURATION:
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ret = m5mols_write(sd, MON_CHROMA_LVL, ctrl->val);
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if (!ret)
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ret = m5mols_write(sd, MON_CHROMA_EN, REG_CHROMA_ON);
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return ret;
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case V4L2_CID_COLORFX:
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/*
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* This control uses two kinds of registers: normal & color.
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* The normal effect belongs to category 1, while the color
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* one belongs to category 2.
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*
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* The normal effect uses one register: CAT1_EFFECT.
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* The color effect uses three registers:
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* CAT2_COLOR_EFFECT, CAT2_CFIXR, CAT2_CFIXB.
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*/
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ret = m5mols_write(sd, PARM_EFFECT,
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ctrl->val == V4L2_COLORFX_NEGATIVE ? REG_EFFECT_NEGA :
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ctrl->val == V4L2_COLORFX_EMBOSS ? REG_EFFECT_EMBOSS :
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REG_EFFECT_OFF);
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if (!ret)
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ret = m5mols_write(sd, MON_EFFECT,
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ctrl->val == V4L2_COLORFX_SEPIA ?
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REG_COLOR_EFFECT_ON : REG_COLOR_EFFECT_OFF);
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if (!ret)
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ret = m5mols_write(sd, MON_CFIXR,
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ctrl->val == V4L2_COLORFX_SEPIA ?
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REG_CFIXR_SEPIA : 0);
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if (!ret)
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ret = m5mols_write(sd, MON_CFIXB,
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ctrl->val == V4L2_COLORFX_SEPIA ?
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REG_CFIXB_SEPIA : 0);
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return ret;
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}
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return -EINVAL;
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}
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