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path: root/drivers/media/i2c/m5mols/m5mols_controls.c
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Diffstat (limited to 'drivers/media/i2c/m5mols/m5mols_controls.c')
-rw-r--r--drivers/media/i2c/m5mols/m5mols_controls.c628
1 files changed, 628 insertions, 0 deletions
diff --git a/drivers/media/i2c/m5mols/m5mols_controls.c b/drivers/media/i2c/m5mols/m5mols_controls.c
new file mode 100644
index 000000000000..f34429e452ab
--- /dev/null
+++ b/drivers/media/i2c/m5mols/m5mols_controls.c
@@ -0,0 +1,628 @@
+/*
+ * Controls for M-5MOLS 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/delay.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+
+#include "m5mols.h"
+#include "m5mols_reg.h"
+
+static struct m5mols_scenemode m5mols_default_scenemode[] = {
+ [REG_SCENE_NORMAL] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_NORMAL, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 5, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_PORTRAIT] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 4,
+ REG_AF_NORMAL, BIT_FD_EN | BIT_FD_DRAW_FACE_FRAME,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_LANDSCAPE] = {
+ REG_AE_ALL, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 4, REG_EDGE_ON, 6,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_SPORTS] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_PARTY_INDOOR] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_200, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_BEACH_SNOW] = {
+ REG_AE_CENTER, REG_AE_INDEX_10_POS, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_SUNSET] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
+ REG_AWB_DAYLIGHT,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_DAWN_DUSK] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
+ REG_AWB_FLUORESCENT_1,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_FALL] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 5, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_NIGHT] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_AGAINST_LIGHT] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_FIRE] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
+ },
+ [REG_SCENE_TEXT] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 7,
+ REG_AF_MACRO, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_ANTI_SHAKE, REG_WDR_ON,
+ },
+ [REG_SCENE_CANDLE] = {
+ REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+ REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+ REG_AF_NORMAL, REG_FD_OFF,
+ REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+ 6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+ },
+};
+
+/**
+ * m5mols_do_scenemode() - Change current scenemode
+ * @mode: Desired mode of the scenemode
+ *
+ * WARNING: The execution order is important. Do not change the order.
+ */
+int m5mols_do_scenemode(struct m5mols_info *info, u8 mode)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ struct m5mols_scenemode scenemode = m5mols_default_scenemode[mode];
+ int ret;
+
+ if (mode > REG_SCENE_CANDLE)
+ return -EINVAL;
+
+ ret = v4l2_ctrl_s_ctrl(info->lock_3a, 0);
+ if (!ret)
+ ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, mode);
+ if (!ret)
+ ret = m5mols_write(sd, AE_EV_PRESET_CAPTURE, mode);
+ if (!ret)
+ ret = m5mols_write(sd, AE_MODE, scenemode.metering);
+ if (!ret)
+ ret = m5mols_write(sd, AE_INDEX, scenemode.ev_bias);
+ if (!ret)
+ ret = m5mols_write(sd, AWB_MODE, scenemode.wb_mode);
+ if (!ret)
+ ret = m5mols_write(sd, AWB_MANUAL, scenemode.wb_preset);
+ if (!ret)
+ ret = m5mols_write(sd, MON_CHROMA_EN, scenemode.chroma_en);
+ if (!ret)
+ ret = m5mols_write(sd, MON_CHROMA_LVL, scenemode.chroma_lvl);
+ if (!ret)
+ ret = m5mols_write(sd, MON_EDGE_EN, scenemode.edge_en);
+ if (!ret)
+ ret = m5mols_write(sd, MON_EDGE_LVL, scenemode.edge_lvl);
+ if (!ret && is_available_af(info))
+ ret = m5mols_write(sd, AF_MODE, scenemode.af_range);
+ if (!ret && is_available_af(info))
+ ret = m5mols_write(sd, FD_CTL, scenemode.fd_mode);
+ if (!ret)
+ ret = m5mols_write(sd, MON_TONE_CTL, scenemode.tone);
+ if (!ret)
+ ret = m5mols_write(sd, AE_ISO, scenemode.iso);
+ if (!ret)
+ ret = m5mols_set_mode(info, REG_CAPTURE);
+ if (!ret)
+ ret = m5mols_write(sd, CAPP_WDR_EN, scenemode.wdr);
+ if (!ret)
+ ret = m5mols_write(sd, CAPP_MCC_MODE, scenemode.mcc);
+ if (!ret)
+ ret = m5mols_write(sd, CAPP_LIGHT_CTRL, scenemode.light);
+ if (!ret)
+ ret = m5mols_write(sd, CAPP_FLASH_CTRL, scenemode.flash);
+ if (!ret)
+ ret = m5mols_write(sd, CAPC_MODE, scenemode.capt_mode);
+ if (!ret)
+ ret = m5mols_set_mode(info, REG_MONITOR);
+
+ return ret;
+}
+
+static int m5mols_3a_lock(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+ bool af_lock = ctrl->val & V4L2_LOCK_FOCUS;
+ int ret = 0;
+
+ if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) {
+ bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
+
+ ret = m5mols_write(&info->sd, AE_LOCK, ae_lock ?
+ REG_AE_LOCK : REG_AE_UNLOCK);
+ if (ret)
+ return ret;
+ }
+
+ if (((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_WHITE_BALANCE)
+ && info->auto_wb->val) {
+ bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
+
+ ret = m5mols_write(&info->sd, AWB_LOCK, awb_lock ?
+ REG_AWB_LOCK : REG_AWB_UNLOCK);
+ if (ret)
+ return ret;
+ }
+
+ if (!info->ver.af || !af_lock)
+ return ret;
+
+ if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS)
+ ret = m5mols_write(&info->sd, AF_EXECUTE, REG_AF_STOP);
+
+ return ret;
+}
+
+static int m5mols_set_metering_mode(struct m5mols_info *info, int mode)
+{
+ unsigned int metering;
+
+ switch (mode) {
+ case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
+ metering = REG_AE_CENTER;
+ break;
+ case V4L2_EXPOSURE_METERING_SPOT:
+ metering = REG_AE_SPOT;
+ break;
+ default:
+ metering = REG_AE_ALL;
+ break;
+ }
+
+ return m5mols_write(&info->sd, AE_MODE, metering);
+}
+
+static int m5mols_set_exposure(struct m5mols_info *info, int exposure)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ int ret = 0;
+
+ if (exposure == V4L2_EXPOSURE_AUTO) {
+ /* Unlock auto exposure */
+ info->lock_3a->val &= ~V4L2_LOCK_EXPOSURE;
+ m5mols_3a_lock(info, info->lock_3a);
+
+ ret = m5mols_set_metering_mode(info, info->metering->val);
+ if (ret < 0)
+ return ret;
+
+ v4l2_dbg(1, m5mols_debug, sd,
+ "%s: exposure bias: %#x, metering: %#x\n",
+ __func__, info->exposure_bias->val,
+ info->metering->val);
+
+ return m5mols_write(sd, AE_INDEX, info->exposure_bias->val);
+ }
+
+ if (exposure == V4L2_EXPOSURE_MANUAL) {
+ ret = m5mols_write(sd, AE_MODE, REG_AE_OFF);
+ if (ret == 0)
+ ret = m5mols_write(sd, AE_MAN_GAIN_MON,
+ info->exposure->val);
+ if (ret == 0)
+ ret = m5mols_write(sd, AE_MAN_GAIN_CAP,
+ info->exposure->val);
+
+ v4l2_dbg(1, m5mols_debug, sd, "%s: exposure: %#x\n",
+ __func__, info->exposure->val);
+ }
+
+ return ret;
+}
+
+static int m5mols_set_white_balance(struct m5mols_info *info, int val)
+{
+ static const unsigned short wb[][2] = {
+ { V4L2_WHITE_BALANCE_INCANDESCENT, REG_AWB_INCANDESCENT },
+ { V4L2_WHITE_BALANCE_FLUORESCENT, REG_AWB_FLUORESCENT_1 },
+ { V4L2_WHITE_BALANCE_FLUORESCENT_H, REG_AWB_FLUORESCENT_2 },
+ { V4L2_WHITE_BALANCE_HORIZON, REG_AWB_HORIZON },
+ { V4L2_WHITE_BALANCE_DAYLIGHT, REG_AWB_DAYLIGHT },
+ { V4L2_WHITE_BALANCE_FLASH, REG_AWB_LEDLIGHT },
+ { V4L2_WHITE_BALANCE_CLOUDY, REG_AWB_CLOUDY },
+ { V4L2_WHITE_BALANCE_SHADE, REG_AWB_SHADE },
+ { V4L2_WHITE_BALANCE_AUTO, REG_AWB_AUTO },
+ };
+ int i;
+ struct v4l2_subdev *sd = &info->sd;
+ int ret = -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(wb); i++) {
+ int awb;
+ if (wb[i][0] != val)
+ continue;
+
+ v4l2_dbg(1, m5mols_debug, sd,
+ "Setting white balance to: %#x\n", wb[i][0]);
+
+ awb = wb[i][0] == V4L2_WHITE_BALANCE_AUTO;
+ ret = m5mols_write(sd, AWB_MODE, awb ? REG_AWB_AUTO :
+ REG_AWB_PRESET);
+ if (ret < 0)
+ return ret;
+
+ if (!awb)
+ ret = m5mols_write(sd, AWB_MANUAL, wb[i][1]);
+ }
+
+ return ret;
+}
+
+static int m5mols_set_saturation(struct m5mols_info *info, int val)
+{
+ int ret = m5mols_write(&info->sd, MON_CHROMA_LVL, val);
+ if (ret < 0)
+ return ret;
+
+ return m5mols_write(&info->sd, MON_CHROMA_EN, REG_CHROMA_ON);
+}
+
+static int m5mols_set_color_effect(struct m5mols_info *info, int val)
+{
+ unsigned int m_effect = REG_COLOR_EFFECT_OFF;
+ unsigned int p_effect = REG_EFFECT_OFF;
+ unsigned int cfix_r = 0, cfix_b = 0;
+ struct v4l2_subdev *sd = &info->sd;
+ int ret = 0;
+
+ switch (val) {
+ case V4L2_COLORFX_BW:
+ m_effect = REG_COLOR_EFFECT_ON;
+ break;
+ case V4L2_COLORFX_NEGATIVE:
+ p_effect = REG_EFFECT_NEGA;
+ break;
+ case V4L2_COLORFX_EMBOSS:
+ p_effect = REG_EFFECT_EMBOSS;
+ break;
+ case V4L2_COLORFX_SEPIA:
+ m_effect = REG_COLOR_EFFECT_ON;
+ cfix_r = REG_CFIXR_SEPIA;
+ cfix_b = REG_CFIXB_SEPIA;
+ break;
+ }
+
+ ret = m5mols_write(sd, PARM_EFFECT, p_effect);
+ if (!ret)
+ ret = m5mols_write(sd, MON_EFFECT, m_effect);
+
+ if (ret == 0 && m_effect == REG_COLOR_EFFECT_ON) {
+ ret = m5mols_write(sd, MON_CFIXR, cfix_r);
+ if (!ret)
+ ret = m5mols_write(sd, MON_CFIXB, cfix_b);
+ }
+
+ v4l2_dbg(1, m5mols_debug, sd,
+ "p_effect: %#x, m_effect: %#x, r: %#x, b: %#x (%d)\n",
+ p_effect, m_effect, cfix_r, cfix_b, ret);
+
+ return ret;
+}
+
+static int m5mols_set_iso(struct m5mols_info *info, int auto_iso)
+{
+ u32 iso = auto_iso ? 0 : info->iso->val + 1;
+
+ return m5mols_write(&info->sd, AE_ISO, iso);
+}
+
+static int m5mols_set_wdr(struct m5mols_info *info, int wdr)
+{
+ int ret;
+
+ ret = m5mols_write(&info->sd, MON_TONE_CTL, wdr ? 9 : 5);
+ if (ret < 0)
+ return ret;
+
+ ret = m5mols_set_mode(info, REG_CAPTURE);
+ if (ret < 0)
+ return ret;
+
+ return m5mols_write(&info->sd, CAPP_WDR_EN, wdr);
+}
+
+static int m5mols_set_stabilization(struct m5mols_info *info, int val)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ unsigned int evp = val ? 0xe : 0x0;
+ int ret;
+
+ ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, evp);
+ if (ret < 0)
+ return ret;
+
+ return m5mols_write(sd, AE_EV_PRESET_CAPTURE, evp);
+}
+
+static int m5mols_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret = 0;
+ u8 status;
+
+ v4l2_dbg(1, m5mols_debug, sd, "%s: ctrl: %s (%d)\n",
+ __func__, ctrl->name, info->isp_ready);
+
+ if (!info->isp_ready)
+ return -EBUSY;
+
+ switch (ctrl->id) {
+ case V4L2_CID_ISO_SENSITIVITY_AUTO:
+ ret = m5mols_read_u8(sd, AE_ISO, &status);
+ if (ret == 0)
+ ctrl->val = !status;
+ if (status != REG_ISO_AUTO)
+ info->iso->val = status - 1;
+ break;
+
+ case V4L2_CID_3A_LOCK:
+ ctrl->val &= ~0x7;
+
+ ret = m5mols_read_u8(sd, AE_LOCK, &status);
+ if (ret)
+ return ret;
+ if (status)
+ info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
+
+ ret = m5mols_read_u8(sd, AWB_LOCK, &status);
+ if (ret)
+ return ret;
+ if (status)
+ info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
+
+ ret = m5mols_read_u8(sd, AF_EXECUTE, &status);
+ if (!status)
+ info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
+ break;
+ }
+
+ return ret;
+}
+
+static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ unsigned int ctrl_mode = m5mols_get_ctrl_mode(ctrl);
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct m5mols_info *info = to_m5mols(sd);
+ int last_mode = info->mode;
+ int ret = 0;
+
+ /*
+ * If needed, defer restoring the controls until
+ * the device is fully initialized.
+ */
+ if (!info->isp_ready) {
+ info->ctrl_sync = 0;
+ return 0;
+ }
+
+ v4l2_dbg(1, m5mols_debug, sd, "%s: %s, val: %d, priv: %p\n",
+ __func__, ctrl->name, ctrl->val, ctrl->priv);
+
+ if (ctrl_mode && ctrl_mode != info->mode) {
+ ret = m5mols_set_mode(info, ctrl_mode);
+ if (ret < 0)
+ return ret;
+ }
+
+ switch (ctrl->id) {
+ case V4L2_CID_3A_LOCK:
+ ret = m5mols_3a_lock(info, ctrl);
+ break;
+
+ case V4L2_CID_ZOOM_ABSOLUTE:
+ ret = m5mols_write(sd, MON_ZOOM, ctrl->val);
+ break;
+
+ case V4L2_CID_EXPOSURE_AUTO:
+ ret = m5mols_set_exposure(info, ctrl->val);
+ break;
+
+ case V4L2_CID_ISO_SENSITIVITY:
+ ret = m5mols_set_iso(info, ctrl->val);
+ break;
+
+ case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
+ ret = m5mols_set_white_balance(info, ctrl->val);
+ break;
+
+ case V4L2_CID_SATURATION:
+ ret = m5mols_set_saturation(info, ctrl->val);
+ break;
+
+ case V4L2_CID_COLORFX:
+ ret = m5mols_set_color_effect(info, ctrl->val);
+ break;
+
+ case V4L2_CID_WIDE_DYNAMIC_RANGE:
+ ret = m5mols_set_wdr(info, ctrl->val);
+ break;
+
+ case V4L2_CID_IMAGE_STABILIZATION:
+ ret = m5mols_set_stabilization(info, ctrl->val);
+ break;
+
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ ret = m5mols_write(sd, CAPP_JPEG_RATIO, ctrl->val);
+ break;
+ }
+
+ if (ret == 0 && info->mode != last_mode)
+ ret = m5mols_set_mode(info, last_mode);
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
+ .g_volatile_ctrl = m5mols_g_volatile_ctrl,
+ .s_ctrl = m5mols_s_ctrl,
+};
+
+/* Supported manual ISO values */
+static const s64 iso_qmenu[] = {
+ /* AE_ISO: 0x01...0x07 (ISO: 50...3200) */
+ 50000, 100000, 200000, 400000, 800000, 1600000, 3200000
+};
+
+/* Supported Exposure Bias values, -2.0EV...+2.0EV */
+static const s64 ev_bias_qmenu[] = {
+ /* AE_INDEX: 0x00...0x08 */
+ -2000, -1500, -1000, -500, 0, 500, 1000, 1500, 2000
+};
+
+int m5mols_init_controls(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ u16 exposure_max;
+ u16 zoom_step;
+ int ret;
+
+ /* Determine the firmware dependant control range and step values */
+ ret = m5mols_read_u16(sd, AE_MAX_GAIN_MON, &exposure_max);
+ if (ret < 0)
+ return ret;
+
+ zoom_step = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;
+ v4l2_ctrl_handler_init(&info->handle, 20);
+
+ info->auto_wb = v4l2_ctrl_new_std_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
+ 9, ~0x3fe, V4L2_WHITE_BALANCE_AUTO);
+
+ /* Exposure control cluster */
+ info->auto_exposure = v4l2_ctrl_new_std_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
+ 1, ~0x03, V4L2_EXPOSURE_AUTO);
+
+ info->exposure = v4l2_ctrl_new_std(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
+ 0, exposure_max, 1, exposure_max / 2);
+
+ info->exposure_bias = v4l2_ctrl_new_int_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_AUTO_EXPOSURE_BIAS,
+ ARRAY_SIZE(ev_bias_qmenu) - 1,
+ ARRAY_SIZE(ev_bias_qmenu)/2 - 1,
+ ev_bias_qmenu);
+
+ info->metering = v4l2_ctrl_new_std_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_EXPOSURE_METERING,
+ 2, ~0x7, V4L2_EXPOSURE_METERING_AVERAGE);
+
+ /* ISO control cluster */
+ info->auto_iso = v4l2_ctrl_new_std_menu(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_ISO_SENSITIVITY_AUTO, 1, ~0x03, 1);
+
+ info->iso = v4l2_ctrl_new_int_menu(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
+ ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
+
+ info->saturation = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_SATURATION, 1, 5, 1, 3);
+
+ info->zoom = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_ZOOM_ABSOLUTE, 1, 70, zoom_step, 1);
+
+ info->colorfx = v4l2_ctrl_new_std_menu(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_COLORFX, 4, 0, V4L2_COLORFX_NONE);
+
+ info->wdr = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_WIDE_DYNAMIC_RANGE, 0, 1, 1, 0);
+
+ info->stabilization = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0);
+
+ info->jpeg_quality = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80);
+
+ info->lock_3a = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_3A_LOCK, 0, 0x7, 0, 0);
+
+ if (info->handle.error) {
+ int ret = info->handle.error;
+ v4l2_err(sd, "Failed to initialize controls: %d\n", ret);
+ v4l2_ctrl_handler_free(&info->handle);
+ return ret;
+ }
+
+ v4l2_ctrl_auto_cluster(4, &info->auto_exposure, 1, false);
+ info->auto_iso->flags |= V4L2_CTRL_FLAG_VOLATILE |
+ V4L2_CTRL_FLAG_UPDATE;
+ v4l2_ctrl_auto_cluster(2, &info->auto_iso, 0, false);
+
+ info->lock_3a->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+ m5mols_set_ctrl_mode(info->auto_exposure, REG_PARAMETER);
+ m5mols_set_ctrl_mode(info->auto_wb, REG_PARAMETER);
+ m5mols_set_ctrl_mode(info->colorfx, REG_MONITOR);
+
+ sd->ctrl_handler = &info->handle;
+
+ return 0;
+}