* @irq_waitq: waitqueue for the capture
* @flags: state variable for the interrupt handler
* @handle: control handler
- * @autoexposure: Auto Exposure control
- * @exposure: Exposure control
+ * @auto_exposure: auto/manual exposure control
+ * @exposure: manual exposure control
* @autowb: Auto White Balance control
- * @colorfx: Color effect control
- * @saturation: Saturation control
- * @zoom: Zoom control
+ * @colorfx: color effect control
+ * @saturation: saturation control
+ * @zoom: zoom control
* @ver: information of the version
* @cap: the capture mode attributes
* @power: current sensor's power status
atomic_t irq_done;
struct v4l2_ctrl_handler handle;
+ struct {
+ /* exposure/auto-exposure cluster */
+ struct v4l2_ctrl *auto_exposure;
+ struct v4l2_ctrl *exposure;
+ };
- /* Autoexposure/exposure control cluster */
- struct v4l2_ctrl *autoexposure;
- struct v4l2_ctrl *exposure;
-
- struct v4l2_ctrl *autowb;
+ struct v4l2_ctrl *auto_wb;
struct v4l2_ctrl *colorfx;
struct v4l2_ctrl *saturation;
struct v4l2_ctrl *zoom;
* The available executing order between each modes are as follows:
* PARAMETER <---> MONITOR <---> CAPTURE
*/
-int m5mols_mode(struct m5mols_info *info, u8 mode);
+int m5mols_set_mode(struct m5mols_info *info, u8 mode);
int m5mols_enable_interrupt(struct v4l2_subdev *sd, u8 reg);
int m5mols_wait_interrupt(struct v4l2_subdev *sd, u8 condition, u32 timeout);
int m5mols_do_scenemode(struct m5mols_info *info, u8 mode);
int m5mols_lock_3a(struct m5mols_info *info, bool lock);
int m5mols_set_ctrl(struct v4l2_ctrl *ctrl);
+int m5mols_init_controls(struct v4l2_subdev *sd);
/* The firmware function */
int m5mols_update_fw(struct v4l2_subdev *sd,
if (!ret)
ret = m5mols_write(sd, AE_ISO, scenemode.iso);
if (!ret)
- ret = m5mols_mode(info, REG_CAPTURE);
+ ret = m5mols_set_mode(info, REG_CAPTURE);
if (!ret)
ret = m5mols_write(sd, CAPP_WDR_EN, scenemode.wdr);
if (!ret)
if (!ret)
ret = m5mols_write(sd, CAPC_MODE, scenemode.capt_mode);
if (!ret)
- ret = m5mols_mode(info, REG_MONITOR);
+ ret = m5mols_set_mode(info, REG_MONITOR);
return ret;
}
return ret;
}
-/* m5mols_set_ctrl() - The main s_ctrl function called by m5mols_set_ctrl() */
-int m5mols_set_ctrl(struct v4l2_ctrl *ctrl)
+/* Set exposure/auto exposure cluster */
+static int m5mols_set_exposure(struct m5mols_info *info, int exposure)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ int ret;
+
+ ret = m5mols_lock_ae(info, exposure != V4L2_EXPOSURE_AUTO);
+ if (ret < 0)
+ return ret;
+
+ if (exposure == V4L2_EXPOSURE_AUTO) {
+ ret = m5mols_write(sd, AE_MODE, REG_AE_ALL);
+ if (ret < 0)
+ return ret;
+ }
+
+ 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);
+ }
+
+ return ret;
+}
+
+static int m5mols_set_white_balance(struct m5mols_info *info, int awb)
+{
+ int ret;
+
+ ret = m5mols_lock_awb(info, !awb);
+ if (ret < 0)
+ return ret;
+
+ return m5mols_write(&info->sd, AWB_MODE, awb ? REG_AWB_AUTO :
+ REG_AWB_PRESET);
+}
+
+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_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = to_sd(ctrl);
struct m5mols_info *info = to_m5mols(sd);
+ int ispstate = info->mode;
int ret;
+ /*
+ * If needed, defer restoring the controls until
+ * the device is fully initialized.
+ */
+ if (!info->isp_ready) {
+ info->ctrl_sync = 0;
+ return 0;
+ }
+
+ ret = m5mols_mode(info, REG_PARAMETER);
+ if (ret < 0)
+ return ret;
+
switch (ctrl->id) {
case V4L2_CID_ZOOM_ABSOLUTE:
- return m5mols_write(sd, MON_ZOOM, ctrl->val);
+ ret = m5mols_write(sd, MON_ZOOM, ctrl->val);
+ break;
case V4L2_CID_EXPOSURE_AUTO:
- ret = m5mols_lock_ae(info,
- ctrl->val == V4L2_EXPOSURE_AUTO ? false : true);
- if (!ret && ctrl->val == V4L2_EXPOSURE_AUTO)
- ret = m5mols_write(sd, AE_MODE, REG_AE_ALL);
- if (!ret && ctrl->val == V4L2_EXPOSURE_MANUAL) {
- int val = info->exposure->val;
- ret = m5mols_write(sd, AE_MODE, REG_AE_OFF);
- if (!ret)
- ret = m5mols_write(sd, AE_MAN_GAIN_MON, val);
- if (!ret)
- ret = m5mols_write(sd, AE_MAN_GAIN_CAP, val);
- }
- return ret;
+ ret = m5mols_set_exposure(info, ctrl->val);
+ break;
case V4L2_CID_AUTO_WHITE_BALANCE:
- ret = m5mols_lock_awb(info, ctrl->val ? false : true);
- if (!ret)
- ret = m5mols_write(sd, AWB_MODE, ctrl->val ?
- REG_AWB_AUTO : REG_AWB_PRESET);
- return ret;
+ ret = m5mols_set_white_balance(info, ctrl->val);
+ break;
case V4L2_CID_SATURATION:
- ret = m5mols_write(sd, MON_CHROMA_LVL, ctrl->val);
- if (!ret)
- ret = m5mols_write(sd, MON_CHROMA_EN, REG_CHROMA_ON);
- return ret;
+ ret = m5mols_set_saturation(info, ctrl->val);
+ break;
case V4L2_CID_COLORFX:
- /*
- * This control uses two kinds of registers: normal & color.
- * The normal effect belongs to category 1, while the color
- * one belongs to category 2.
- *
- * The normal effect uses one register: CAT1_EFFECT.
- * The color effect uses three registers:
- * CAT2_COLOR_EFFECT, CAT2_CFIXR, CAT2_CFIXB.
- */
- ret = m5mols_write(sd, PARM_EFFECT,
- ctrl->val == V4L2_COLORFX_NEGATIVE ? REG_EFFECT_NEGA :
- ctrl->val == V4L2_COLORFX_EMBOSS ? REG_EFFECT_EMBOSS :
- REG_EFFECT_OFF);
- if (!ret)
- ret = m5mols_write(sd, MON_EFFECT,
- ctrl->val == V4L2_COLORFX_SEPIA ?
- REG_COLOR_EFFECT_ON : REG_COLOR_EFFECT_OFF);
- if (!ret)
- ret = m5mols_write(sd, MON_CFIXR,
- ctrl->val == V4L2_COLORFX_SEPIA ?
- REG_CFIXR_SEPIA : 0);
- if (!ret)
- ret = m5mols_write(sd, MON_CFIXB,
- ctrl->val == V4L2_COLORFX_SEPIA ?
- REG_CFIXB_SEPIA : 0);
+ ret = m5mols_set_color_effect(info, ctrl->val);
+ break;
+ }
+ if (ret < 0)
+ return ret;
+
+ return m5mols_mode(info, ispstate);
+}
+
+static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
+ .s_ctrl = m5mols_s_ctrl,
+};
+
+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, 6);
+
+ info->auto_wb = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+ V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
+
+ 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->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);
+
+ 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;
}
- return -EINVAL;
+ v4l2_ctrl_auto_cluster(2, &info->auto_exposure, 1, false);
+ sd->ctrl_handler = &info->handle;
+
+ return 0;
}
}
/**
- * m5mols_mode - manage the M-5MOLS's mode
+ * m5mols_set_mode - set the M-5MOLS controller mode
* @mode: the required operation mode
*
* The commands of M-5MOLS are grouped into specific modes. Each functionality
- * can be guaranteed only when the sensor is operating in mode which which
- * a command belongs to.
+ * can be guaranteed only when the sensor is operating in mode which a command
+ * belongs to.
*/
-int m5mols_mode(struct m5mols_info *info, u8 mode)
+int m5mols_set_mode(struct m5mols_info *info, u8 mode)
{
struct v4l2_subdev *sd = &info->sd;
int ret = -EINVAL;
struct v4l2_subdev *sd = &info->sd;
int ret;
- ret = m5mols_mode(info, REG_PARAMETER);
+ ret = m5mols_set_mode(info, REG_PARAMETER);
if (!ret)
ret = m5mols_write(sd, PARM_MON_SIZE, info->resolution);
if (!ret)
ret = m5mols_write(sd, PARM_MON_FPS, REG_FPS_30);
if (!ret)
- ret = m5mols_mode(info, REG_MONITOR);
+ ret = m5mols_set_mode(info, REG_MONITOR);
if (!ret)
ret = m5mols_restore_controls(info);
return ret;
}
- return m5mols_mode(info, REG_PARAMETER);
+ return m5mols_set_mode(info, REG_PARAMETER);
}
static const struct v4l2_subdev_video_ops m5mols_video_ops = {
.s_stream = m5mols_s_stream,
};
-static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = to_sd(ctrl);
- struct m5mols_info *info = to_m5mols(sd);
- int ispstate = info->mode;
- int ret;
-
- /*
- * If needed, defer restoring the controls until
- * the device is fully initialized.
- */
- if (!info->isp_ready) {
- info->ctrl_sync = 0;
- return 0;
- }
-
- ret = m5mols_mode(info, REG_PARAMETER);
- if (ret < 0)
- return ret;
- ret = m5mols_set_ctrl(ctrl);
- if (ret < 0)
- return ret;
- return m5mols_mode(info, ispstate);
-}
-
-static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
- .s_ctrl = m5mols_s_ctrl,
-};
-
static int m5mols_sensor_power(struct m5mols_info *info, bool enable)
{
struct v4l2_subdev *sd = &info->sd;
return ret;
}
-static int m5mols_init_controls(struct m5mols_info *info)
-{
- struct v4l2_subdev *sd = &info->sd;
- u16 max_exposure;
- u16 step_zoom;
- int ret;
-
- /* Determine value's range & step of controls for various FW version */
- ret = m5mols_read_u16(sd, AE_MAX_GAIN_MON, &max_exposure);
- if (!ret)
- step_zoom = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;
- if (ret)
- return ret;
-
- v4l2_ctrl_handler_init(&info->handle, 6);
- info->autowb = v4l2_ctrl_new_std(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
- 0, 1, 1, 0);
- 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, step_zoom, 1);
- info->exposure = v4l2_ctrl_new_std(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
- 0, max_exposure, 1, (int)max_exposure/2);
- info->colorfx = v4l2_ctrl_new_std_menu(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_COLORFX,
- 4, (1 << V4L2_COLORFX_BW), V4L2_COLORFX_NONE);
- info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
- &m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
- 1, 0, V4L2_EXPOSURE_AUTO);
-
- sd->ctrl_handler = &info->handle;
- if (info->handle.error) {
- v4l2_err(sd, "Failed to initialize controls: %d\n", ret);
- v4l2_ctrl_handler_free(&info->handle);
- return info->handle.error;
- }
-
- v4l2_ctrl_cluster(2, &info->autoexposure);
-
- return 0;
-}
-
/**
* m5mols_s_power - Main sensor power control function
*
}
if (is_manufacturer(info, REG_SAMSUNG_TECHWIN)) {
- ret = m5mols_mode(info, REG_MONITOR);
+ ret = m5mols_set_mode(info, REG_MONITOR);
if (!ret)
ret = m5mols_write(sd, AF_EXECUTE, REG_AF_STOP);
if (!ret)
ret = m5mols_fw_start(sd);
if (!ret)
- ret = m5mols_init_controls(info);
+ ret = m5mols_init_controls(sd);
m5mols_sensor_power(info, false);
if (!ret)
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff