/* * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver * * Copyright (C) 2013 Samsung Electronics Co., Ltd. * * Authors: Sylwester Nawrocki * Younghwan Joo * * This program 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. */ #define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ #include #include #include #include #include #include #include #include #include #include #include #include "media-dev.h" #include "fimc-isp-video.h" #include "fimc-is-command.h" #include "fimc-is-param.h" #include "fimc-is-regs.h" #include "fimc-is.h" int fimc_isp_debug; module_param_named(debug_isp, fimc_isp_debug, int, S_IRUGO | S_IWUSR); static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = { { .name = "RAW8 (GRBG)", .fourcc = V4L2_PIX_FMT_SGRBG8, .depth = { 8 }, .color = FIMC_FMT_RAW8, .memplanes = 1, .mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8, }, { .name = "RAW10 (GRBG)", .fourcc = V4L2_PIX_FMT_SGRBG10, .depth = { 10 }, .color = FIMC_FMT_RAW10, .memplanes = 1, .mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10, }, { .name = "RAW12 (GRBG)", .fourcc = V4L2_PIX_FMT_SGRBG12, .depth = { 12 }, .color = FIMC_FMT_RAW12, .memplanes = 1, .mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12, }, }; /** * fimc_isp_find_format - lookup color format by fourcc or media bus code * @pixelformat: fourcc to match, ignored if null * @mbus_code: media bus code to match, ignored if null * @index: index to the fimc_isp_formats array, ignored if negative */ const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat, const u32 *mbus_code, int index) { const struct fimc_fmt *fmt, *def_fmt = NULL; unsigned int i; int id = 0; if (index >= (int)ARRAY_SIZE(fimc_isp_formats)) return NULL; for (i = 0; i < ARRAY_SIZE(fimc_isp_formats); ++i) { fmt = &fimc_isp_formats[i]; if (pixelformat && fmt->fourcc == *pixelformat) return fmt; if (mbus_code && fmt->mbus_code == *mbus_code) return fmt; if (index == id) def_fmt = fmt; id++; } return def_fmt; } void fimc_isp_irq_handler(struct fimc_is *is) { is->i2h_cmd.args[0] = mcuctl_read(is, MCUCTL_REG_ISSR(20)); is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21)); fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP); fimc_isp_video_irq_handler(is); wake_up(&is->irq_queue); } /* Capture subdev media entity operations */ static int fimc_is_link_setup(struct media_entity *entity, const struct media_pad *local, const struct media_pad *remote, u32 flags) { return 0; } static const struct media_entity_operations fimc_is_subdev_media_ops = { .link_setup = fimc_is_link_setup, }; static int fimc_is_subdev_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { const struct fimc_fmt *fmt; fmt = fimc_isp_find_format(NULL, NULL, code->index); if (!fmt) return -EINVAL; code->code = fmt->mbus_code; return 0; } static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct fimc_isp *isp = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *mf = &fmt->format; if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { *mf = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad); return 0; } mf->colorspace = V4L2_COLORSPACE_SRGB; mutex_lock(&isp->subdev_lock); if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { /* ISP OTF input image format */ *mf = isp->sink_fmt; } else { /* ISP OTF output image format */ *mf = isp->src_fmt; if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) { mf->colorspace = V4L2_COLORSPACE_JPEG; mf->code = MEDIA_BUS_FMT_YUV10_1X30; } } mutex_unlock(&isp->subdev_lock); isp_dbg(1, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n", __func__, fmt->pad, mf->code, mf->width, mf->height); return 0; } static void __isp_subdev_try_format(struct fimc_isp *isp, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct v4l2_mbus_framefmt *mf = &fmt->format; struct v4l2_mbus_framefmt *format; mf->colorspace = V4L2_COLORSPACE_SRGB; if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN, FIMC_ISP_SINK_WIDTH_MAX, 0, &mf->height, FIMC_ISP_SINK_HEIGHT_MIN, FIMC_ISP_SINK_HEIGHT_MAX, 0, 0); mf->code = MEDIA_BUS_FMT_SGRBG10_1X10; } else { if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) format = v4l2_subdev_get_try_format(&isp->subdev, cfg, FIMC_ISP_SD_PAD_SINK); else format = &isp->sink_fmt; /* Allow changing format only on sink pad */ mf->width = format->width - FIMC_ISP_CAC_MARGIN_WIDTH; mf->height = format->height - FIMC_ISP_CAC_MARGIN_HEIGHT; if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) { mf->code = MEDIA_BUS_FMT_YUV10_1X30; mf->colorspace = V4L2_COLORSPACE_JPEG; } else { mf->code = format->code; } } } static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct fimc_isp *isp = v4l2_get_subdevdata(sd); struct fimc_is *is = fimc_isp_to_is(isp); struct v4l2_mbus_framefmt *mf = &fmt->format; int ret = 0; isp_dbg(1, sd, "%s: pad%d: code: 0x%x, %dx%d\n", __func__, fmt->pad, mf->code, mf->width, mf->height); mutex_lock(&isp->subdev_lock); __isp_subdev_try_format(isp, cfg, fmt); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad); *mf = fmt->format; /* Propagate format to the source pads */ if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { struct v4l2_subdev_format format = *fmt; unsigned int pad; for (pad = FIMC_ISP_SD_PAD_SRC_FIFO; pad < FIMC_ISP_SD_PADS_NUM; pad++) { format.pad = pad; __isp_subdev_try_format(isp, cfg, &format); mf = v4l2_subdev_get_try_format(sd, cfg, pad); *mf = format.format; } } } else { if (sd->entity.stream_count == 0) { if (fmt->pad == FIMC_ISP_SD_PAD_SINK) { struct v4l2_subdev_format format = *fmt; isp->sink_fmt = *mf; format.pad = FIMC_ISP_SD_PAD_SRC_DMA; __isp_subdev_try_format(isp, cfg, &format); isp->src_fmt = format.format; __is_set_frame_size(is, &isp->src_fmt); } else { isp->src_fmt = *mf; } } else { ret = -EBUSY; } } mutex_unlock(&isp->subdev_lock); return ret; } static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on) { struct fimc_isp *isp = v4l2_get_subdevdata(sd); struct fimc_is *is = fimc_isp_to_is(isp); int ret; isp_dbg(1, sd, "%s: on: %d\n", __func__, on); if (!test_bit(IS_ST_INIT_DONE, &is->state)) return -EBUSY; fimc_is_mem_barrier(); if (on) { if (__get_pending_param_count(is)) { ret = fimc_is_itf_s_param(is, true); if (ret < 0) return ret; } isp_dbg(1, sd, "changing mode to %d\n", is->config_index); ret = fimc_is_itf_mode_change(is); if (ret) return -EINVAL; clear_bit(IS_ST_STREAM_ON, &is->state); fimc_is_hw_stream_on(is); ret = fimc_is_wait_event(is, IS_ST_STREAM_ON, 1, FIMC_IS_CONFIG_TIMEOUT); if (ret < 0) { v4l2_err(sd, "stream on timeout\n"); return ret; } } else { clear_bit(IS_ST_STREAM_OFF, &is->state); fimc_is_hw_stream_off(is); ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1, FIMC_IS_CONFIG_TIMEOUT); if (ret < 0) { v4l2_err(sd, "stream off timeout\n"); return ret; } is->setfile.sub_index = 0; } return 0; } static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on) { struct fimc_isp *isp = v4l2_get_subdevdata(sd); struct fimc_is *is = fimc_isp_to_is(isp); int ret = 0; pr_debug("on: %d\n", on); if (on) { ret = pm_runtime_get_sync(&is->pdev->dev); if (ret < 0) { pm_runtime_put(&is->pdev->dev); return ret; } set_bit(IS_ST_PWR_ON, &is->state); ret = fimc_is_start_firmware(is); if (ret < 0) { v4l2_err(sd, "firmware booting failed\n"); pm_runtime_put(&is->pdev->dev); return ret; } set_bit(IS_ST_PWR_SUBIP_ON, &is->state); ret = fimc_is_hw_initialize(is); } else { /* Close sensor */ if (!test_bit(IS_ST_PWR_ON, &is->state)) { fimc_is_hw_close_sensor(is, 0); ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0, FIMC_IS_CONFIG_TIMEOUT); if (ret < 0) { v4l2_err(sd, "sensor close timeout\n"); return ret; } } /* SUB IP power off */ if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) { fimc_is_hw_subip_power_off(is); ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0, FIMC_IS_CONFIG_TIMEOUT); if (ret < 0) { v4l2_err(sd, "sub-IP power off timeout\n"); return ret; } } fimc_is_cpu_set_power(is, 0); pm_runtime_put_sync(&is->pdev->dev); clear_bit(IS_ST_PWR_ON, &is->state); clear_bit(IS_ST_INIT_DONE, &is->state); is->state = 0; is->config[is->config_index].p_region_index[0] = 0; is->config[is->config_index].p_region_index[1] = 0; set_bit(IS_ST_IDLE, &is->state); wmb(); } return ret; } static int fimc_isp_subdev_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { struct v4l2_mbus_framefmt fmt; struct v4l2_mbus_framefmt *format; format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SINK); fmt.colorspace = V4L2_COLORSPACE_SRGB; fmt.code = fimc_isp_formats[0].mbus_code; fmt.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH; fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT; fmt.field = V4L2_FIELD_NONE; *format = fmt; format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_FIFO); fmt.width = DEFAULT_PREVIEW_STILL_WIDTH; fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT; *format = fmt; format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_DMA); *format = fmt; return 0; } static int fimc_isp_subdev_registered(struct v4l2_subdev *sd) { struct fimc_isp *isp = v4l2_get_subdevdata(sd); int ret; /* Use pipeline object allocated by the media device. */ isp->video_capture.ve.pipe = v4l2_get_subdev_hostdata(sd); ret = fimc_isp_video_device_register(isp, sd->v4l2_dev, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); if (ret < 0) isp->video_capture.ve.pipe = NULL; return ret; } static void fimc_isp_subdev_unregistered(struct v4l2_subdev *sd) { struct fimc_isp *isp = v4l2_get_subdevdata(sd); fimc_isp_video_device_unregister(isp, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); } static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = { .registered = fimc_isp_subdev_registered, .unregistered = fimc_isp_subdev_unregistered, .open = fimc_isp_subdev_open, }; static const struct v4l2_subdev_pad_ops fimc_is_subdev_pad_ops = { .enum_mbus_code = fimc_is_subdev_enum_mbus_code, .get_fmt = fimc_isp_subdev_get_fmt, .set_fmt = fimc_isp_subdev_set_fmt, }; static const struct v4l2_subdev_video_ops fimc_is_subdev_video_ops = { .s_stream = fimc_isp_subdev_s_stream, }; static const struct v4l2_subdev_core_ops fimc_is_core_ops = { .s_power = fimc_isp_subdev_s_power, }; static struct v4l2_subdev_ops fimc_is_subdev_ops = { .core = &fimc_is_core_ops, .video = &fimc_is_subdev_video_ops, .pad = &fimc_is_subdev_pad_ops, }; static int __ctrl_set_white_balance(struct fimc_is *is, int value) { switch (value) { case V4L2_WHITE_BALANCE_AUTO: __is_set_isp_awb(is, ISP_AWB_COMMAND_AUTO, 0); break; case V4L2_WHITE_BALANCE_DAYLIGHT: __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, ISP_AWB_ILLUMINATION_DAYLIGHT); break; case V4L2_WHITE_BALANCE_CLOUDY: __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, ISP_AWB_ILLUMINATION_CLOUDY); break; case V4L2_WHITE_BALANCE_INCANDESCENT: __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, ISP_AWB_ILLUMINATION_TUNGSTEN); break; case V4L2_WHITE_BALANCE_FLUORESCENT: __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION, ISP_AWB_ILLUMINATION_FLUORESCENT); break; default: return -EINVAL; } return 0; } static int __ctrl_set_aewb_lock(struct fimc_is *is, struct v4l2_ctrl *ctrl) { bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE; bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE; struct isp_param *isp = &is->is_p_region->parameter.isp; int cmd, ret; cmd = ae_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START; isp->aa.cmd = cmd; isp->aa.target = ISP_AA_TARGET_AE; fimc_is_set_param_bit(is, PARAM_ISP_AA); is->af.ae_lock_state = ae_lock; wmb(); ret = fimc_is_itf_s_param(is, false); if (ret < 0) return ret; cmd = awb_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START; isp->aa.cmd = cmd; isp->aa.target = ISP_AA_TARGET_AE; fimc_is_set_param_bit(is, PARAM_ISP_AA); is->af.awb_lock_state = awb_lock; wmb(); return fimc_is_itf_s_param(is, false); } /* Supported manual ISO values */ static const s64 iso_qmenu[] = { 50, 100, 200, 400, 800, }; static int __ctrl_set_iso(struct fimc_is *is, int value) { unsigned int idx, iso; if (value == V4L2_ISO_SENSITIVITY_AUTO) { __is_set_isp_iso(is, ISP_ISO_COMMAND_AUTO, 0); return 0; } idx = is->isp.ctrls.iso->val; if (idx >= ARRAY_SIZE(iso_qmenu)) return -EINVAL; iso = iso_qmenu[idx]; __is_set_isp_iso(is, ISP_ISO_COMMAND_MANUAL, iso); return 0; } static int __ctrl_set_metering(struct fimc_is *is, unsigned int value) { unsigned int val; switch (value) { case V4L2_EXPOSURE_METERING_AVERAGE: val = ISP_METERING_COMMAND_AVERAGE; break; case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED: val = ISP_METERING_COMMAND_CENTER; break; case V4L2_EXPOSURE_METERING_SPOT: val = ISP_METERING_COMMAND_SPOT; break; case V4L2_EXPOSURE_METERING_MATRIX: val = ISP_METERING_COMMAND_MATRIX; break; default: return -EINVAL; } __is_set_isp_metering(is, IS_METERING_CONFIG_CMD, val); return 0; } static int __ctrl_set_afc(struct fimc_is *is, int value) { switch (value) { case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED: __is_set_isp_afc(is, ISP_AFC_COMMAND_DISABLE, 0); break; case V4L2_CID_POWER_LINE_FREQUENCY_50HZ: __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 50); break; case V4L2_CID_POWER_LINE_FREQUENCY_60HZ: __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 60); break; case V4L2_CID_POWER_LINE_FREQUENCY_AUTO: __is_set_isp_afc(is, ISP_AFC_COMMAND_AUTO, 0); break; default: return -EINVAL; } return 0; } static int __ctrl_set_image_effect(struct fimc_is *is, int value) { static const u8 effects[][2] = { { V4L2_COLORFX_NONE, ISP_IMAGE_EFFECT_DISABLE }, { V4L2_COLORFX_BW, ISP_IMAGE_EFFECT_MONOCHROME }, { V4L2_COLORFX_SEPIA, ISP_IMAGE_EFFECT_SEPIA }, { V4L2_COLORFX_NEGATIVE, ISP_IMAGE_EFFECT_NEGATIVE_MONO }, { 16 /* TODO */, ISP_IMAGE_EFFECT_NEGATIVE_COLOR }, }; int i; for (i = 0; i < ARRAY_SIZE(effects); i++) { if (effects[i][0] != value) continue; __is_set_isp_effect(is, effects[i][1]); return 0; } return -EINVAL; } static int fimc_is_s_ctrl(struct v4l2_ctrl *ctrl) { struct fimc_isp *isp = ctrl_to_fimc_isp(ctrl); struct fimc_is *is = fimc_isp_to_is(isp); bool set_param = true; int ret = 0; switch (ctrl->id) { case V4L2_CID_CONTRAST: __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_CONTRAST, ctrl->val); break; case V4L2_CID_SATURATION: __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SATURATION, ctrl->val); break; case V4L2_CID_SHARPNESS: __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SHARPNESS, ctrl->val); break; case V4L2_CID_EXPOSURE_ABSOLUTE: __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_EXPOSURE, ctrl->val); break; case V4L2_CID_BRIGHTNESS: __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_BRIGHTNESS, ctrl->val); break; case V4L2_CID_HUE: __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_HUE, ctrl->val); break; case V4L2_CID_EXPOSURE_METERING: ret = __ctrl_set_metering(is, ctrl->val); break; case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE: ret = __ctrl_set_white_balance(is, ctrl->val); break; case V4L2_CID_3A_LOCK: ret = __ctrl_set_aewb_lock(is, ctrl); set_param = false; break; case V4L2_CID_ISO_SENSITIVITY_AUTO: ret = __ctrl_set_iso(is, ctrl->val); break; case V4L2_CID_POWER_LINE_FREQUENCY: ret = __ctrl_set_afc(is, ctrl->val); break; case V4L2_CID_COLORFX: __ctrl_set_image_effect(is, ctrl->val); break; default: ret = -EINVAL; break; } if (ret < 0) { v4l2_err(&isp->subdev, "Failed to set control: %s (%d)\n", ctrl->name, ctrl->val); return ret; } if (set_param && test_bit(IS_ST_STREAM_ON, &is->state)) return fimc_is_itf_s_param(is, true); return 0; } static const struct v4l2_ctrl_ops fimc_isp_ctrl_ops = { .s_ctrl = fimc_is_s_ctrl, }; static void __isp_subdev_set_default_format(struct fimc_isp *isp) { struct fimc_is *is = fimc_isp_to_is(isp); isp->sink_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH; isp->sink_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT; isp->sink_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10; isp->src_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH; isp->src_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT; isp->src_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10; __is_set_frame_size(is, &isp->src_fmt); } int fimc_isp_subdev_create(struct fimc_isp *isp) { const struct v4l2_ctrl_ops *ops = &fimc_isp_ctrl_ops; struct v4l2_ctrl_handler *handler = &isp->ctrls.handler; struct v4l2_subdev *sd = &isp->subdev; struct fimc_isp_ctrls *ctrls = &isp->ctrls; int ret; mutex_init(&isp->subdev_lock); v4l2_subdev_init(sd, &fimc_is_subdev_ops); sd->owner = THIS_MODULE; sd->grp_id = GRP_ID_FIMC_IS; sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; snprintf(sd->name, sizeof(sd->name), "FIMC-IS-ISP"); isp->subdev_pads[FIMC_ISP_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_FIFO].flags = MEDIA_PAD_FL_SOURCE; isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_DMA].flags = MEDIA_PAD_FL_SOURCE; ret = media_entity_init(&sd->entity, FIMC_ISP_SD_PADS_NUM, isp->subdev_pads, 0); if (ret) return ret; v4l2_ctrl_handler_init(handler, 20); ctrls->saturation = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SATURATION, -2, 2, 1, 0); ctrls->brightness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_BRIGHTNESS, -4, 4, 1, 0); ctrls->contrast = v4l2_ctrl_new_std(handler, ops, V4L2_CID_CONTRAST, -2, 2, 1, 0); ctrls->sharpness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SHARPNESS, -2, 2, 1, 0); ctrls->hue = v4l2_ctrl_new_std(handler, ops, V4L2_CID_HUE, -2, 2, 1, 0); ctrls->auto_wb = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE, 8, ~0x14e, V4L2_WHITE_BALANCE_AUTO); ctrls->exposure = v4l2_ctrl_new_std(handler, ops, V4L2_CID_EXPOSURE_ABSOLUTE, -4, 4, 1, 0); ctrls->exp_metering = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_EXPOSURE_METERING, 3, ~0xf, V4L2_EXPOSURE_METERING_AVERAGE); v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_POWER_LINE_FREQUENCY, V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, V4L2_CID_POWER_LINE_FREQUENCY_AUTO); /* ISO sensitivity */ ctrls->auto_iso = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0, V4L2_ISO_SENSITIVITY_AUTO); ctrls->iso = v4l2_ctrl_new_int_menu(handler, ops, V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1, ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu); ctrls->aewb_lock = v4l2_ctrl_new_std(handler, ops, V4L2_CID_3A_LOCK, 0, 0x3, 0, 0); /* TODO: Add support for NEGATIVE_COLOR option */ ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_COLORFX, V4L2_COLORFX_SET_CBCR + 1, ~0x1000f, V4L2_COLORFX_NONE); if (handler->error) { media_entity_cleanup(&sd->entity); return handler->error; } v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso, V4L2_ISO_SENSITIVITY_MANUAL, false); sd->ctrl_handler = handler; sd->internal_ops = &fimc_is_subdev_internal_ops; sd->entity.ops = &fimc_is_subdev_media_ops; v4l2_set_subdevdata(sd, isp); __isp_subdev_set_default_format(isp); return 0; } void fimc_isp_subdev_destroy(struct fimc_isp *isp) { struct v4l2_subdev *sd = &isp->subdev; v4l2_device_unregister_subdev(sd); media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(&isp->ctrls.handler); v4l2_set_subdevdata(sd, NULL); }