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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver4 *5 * Copyright (C) 2013 Samsung Electronics Co., Ltd.6 *7 * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>8 *          Younghwan Joo <yhwan.joo@samsung.com>9 */10#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__11 12#include <linux/device.h>13#include <linux/errno.h>14#include <linux/kernel.h>15#include <linux/list.h>16#include <linux/module.h>17#include <linux/platform_device.h>18#include <linux/printk.h>19#include <linux/pm_runtime.h>20#include <linux/slab.h>21#include <linux/types.h>22#include <media/v4l2-device.h>23 24#include "media-dev.h"25#include "fimc-isp-video.h"26#include "fimc-is-command.h"27#include "fimc-is-param.h"28#include "fimc-is-regs.h"29#include "fimc-is.h"30 31int fimc_isp_debug;32module_param_named(debug_isp, fimc_isp_debug, int, S_IRUGO | S_IWUSR);33 34static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = {35	{36		.fourcc		= V4L2_PIX_FMT_SGRBG8,37		.depth		= { 8 },38		.color		= FIMC_FMT_RAW8,39		.memplanes	= 1,40		.mbus_code	= MEDIA_BUS_FMT_SGRBG8_1X8,41	}, {42		.fourcc		= V4L2_PIX_FMT_SGRBG10,43		.depth		= { 10 },44		.color		= FIMC_FMT_RAW10,45		.memplanes	= 1,46		.mbus_code	= MEDIA_BUS_FMT_SGRBG10_1X10,47	}, {48		.fourcc		= V4L2_PIX_FMT_SGRBG12,49		.depth		= { 12 },50		.color		= FIMC_FMT_RAW12,51		.memplanes	= 1,52		.mbus_code	= MEDIA_BUS_FMT_SGRBG12_1X12,53	},54};55 56/**57 * fimc_isp_find_format - lookup color format by fourcc or media bus code58 * @pixelformat: fourcc to match, ignored if null59 * @mbus_code: media bus code to match, ignored if null60 * @index: index to the fimc_isp_formats array, ignored if negative61 */62const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat,63					const u32 *mbus_code, int index)64{65	const struct fimc_fmt *fmt, *def_fmt = NULL;66	unsigned int i;67	int id = 0;68 69	if (index >= (int)ARRAY_SIZE(fimc_isp_formats))70		return NULL;71 72	for (i = 0; i < ARRAY_SIZE(fimc_isp_formats); ++i) {73		fmt = &fimc_isp_formats[i];74		if (pixelformat && fmt->fourcc == *pixelformat)75			return fmt;76		if (mbus_code && fmt->mbus_code == *mbus_code)77			return fmt;78		if (index == id)79			def_fmt = fmt;80		id++;81	}82	return def_fmt;83}84 85void fimc_isp_irq_handler(struct fimc_is *is)86{87	is->i2h_cmd.args[0] = mcuctl_read(is, MCUCTL_REG_ISSR(20));88	is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21));89 90	fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP);91	fimc_isp_video_irq_handler(is);92 93	wake_up(&is->irq_queue);94}95 96/* Capture subdev media entity operations */97static int fimc_is_link_setup(struct media_entity *entity,98				const struct media_pad *local,99				const struct media_pad *remote, u32 flags)100{101	return 0;102}103 104static const struct media_entity_operations fimc_is_subdev_media_ops = {105	.link_setup = fimc_is_link_setup,106};107 108static int fimc_is_subdev_enum_mbus_code(struct v4l2_subdev *sd,109				struct v4l2_subdev_state *sd_state,110				struct v4l2_subdev_mbus_code_enum *code)111{112	const struct fimc_fmt *fmt;113 114	fmt = fimc_isp_find_format(NULL, NULL, code->index);115	if (!fmt)116		return -EINVAL;117	code->code = fmt->mbus_code;118	return 0;119}120 121static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,122				   struct v4l2_subdev_state *sd_state,123				   struct v4l2_subdev_format *fmt)124{125	struct fimc_isp *isp = v4l2_get_subdevdata(sd);126	struct v4l2_mbus_framefmt *mf = &fmt->format;127 128	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {129		*mf = *v4l2_subdev_state_get_format(sd_state, fmt->pad);130		return 0;131	}132 133	mf->colorspace = V4L2_COLORSPACE_SRGB;134 135	mutex_lock(&isp->subdev_lock);136 137	if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {138		/* ISP OTF input image format */139		*mf = isp->sink_fmt;140	} else {141		/* ISP OTF output image format */142		*mf = isp->src_fmt;143 144		if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {145			mf->colorspace = V4L2_COLORSPACE_JPEG;146			mf->code = MEDIA_BUS_FMT_YUV10_1X30;147		}148	}149 150	mutex_unlock(&isp->subdev_lock);151 152	isp_dbg(1, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n", __func__,153		fmt->pad, mf->code, mf->width, mf->height);154 155	return 0;156}157 158static void __isp_subdev_try_format(struct fimc_isp *isp,159				    struct v4l2_subdev_state *sd_state,160				    struct v4l2_subdev_format *fmt)161{162	struct v4l2_mbus_framefmt *mf = &fmt->format;163	struct v4l2_mbus_framefmt *format;164 165	mf->colorspace = V4L2_COLORSPACE_SRGB;166 167	if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {168		v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN,169				FIMC_ISP_SINK_WIDTH_MAX, 0,170				&mf->height, FIMC_ISP_SINK_HEIGHT_MIN,171				FIMC_ISP_SINK_HEIGHT_MAX, 0, 0);172		mf->code = MEDIA_BUS_FMT_SGRBG10_1X10;173	} else {174		if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)175			format = v4l2_subdev_state_get_format(sd_state,176							      FIMC_ISP_SD_PAD_SINK);177		else178			format = &isp->sink_fmt;179 180		/* Allow changing format only on sink pad */181		mf->width = format->width - FIMC_ISP_CAC_MARGIN_WIDTH;182		mf->height = format->height - FIMC_ISP_CAC_MARGIN_HEIGHT;183 184		if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {185			mf->code = MEDIA_BUS_FMT_YUV10_1X30;186			mf->colorspace = V4L2_COLORSPACE_JPEG;187		} else {188			mf->code = format->code;189		}190	}191}192 193static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,194				   struct v4l2_subdev_state *sd_state,195				   struct v4l2_subdev_format *fmt)196{197	struct fimc_isp *isp = v4l2_get_subdevdata(sd);198	struct fimc_is *is = fimc_isp_to_is(isp);199	struct v4l2_mbus_framefmt *mf = &fmt->format;200	int ret = 0;201 202	isp_dbg(1, sd, "%s: pad%d: code: 0x%x, %dx%d\n",203		 __func__, fmt->pad, mf->code, mf->width, mf->height);204 205	mutex_lock(&isp->subdev_lock);206	__isp_subdev_try_format(isp, sd_state, fmt);207 208	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {209		mf = v4l2_subdev_state_get_format(sd_state, fmt->pad);210		*mf = fmt->format;211 212		/* Propagate format to the source pads */213		if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {214			struct v4l2_subdev_format format = *fmt;215			unsigned int pad;216 217			for (pad = FIMC_ISP_SD_PAD_SRC_FIFO;218					pad < FIMC_ISP_SD_PADS_NUM; pad++) {219				format.pad = pad;220				__isp_subdev_try_format(isp, sd_state,221							&format);222				mf = v4l2_subdev_state_get_format(sd_state,223								  pad);224				*mf = format.format;225			}226		}227	} else {228		if (!media_entity_is_streaming(&sd->entity)) {229			if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {230				struct v4l2_subdev_format format = *fmt;231 232				isp->sink_fmt = *mf;233 234				format.pad = FIMC_ISP_SD_PAD_SRC_DMA;235				__isp_subdev_try_format(isp, sd_state,236							&format);237 238				isp->src_fmt = format.format;239				__is_set_frame_size(is, &isp->src_fmt);240			} else {241				isp->src_fmt = *mf;242			}243		} else {244			ret = -EBUSY;245		}246	}247 248	mutex_unlock(&isp->subdev_lock);249	return ret;250}251 252static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)253{254	struct fimc_isp *isp = v4l2_get_subdevdata(sd);255	struct fimc_is *is = fimc_isp_to_is(isp);256	int ret;257 258	isp_dbg(1, sd, "%s: on: %d\n", __func__, on);259 260	if (!test_bit(IS_ST_INIT_DONE, &is->state))261		return -EBUSY;262 263	fimc_is_mem_barrier();264 265	if (on) {266		if (__get_pending_param_count(is)) {267			ret = fimc_is_itf_s_param(is, true);268			if (ret < 0)269				return ret;270		}271 272		isp_dbg(1, sd, "changing mode to %d\n", is->config_index);273 274		ret = fimc_is_itf_mode_change(is);275		if (ret)276			return -EINVAL;277 278		clear_bit(IS_ST_STREAM_ON, &is->state);279		fimc_is_hw_stream_on(is);280		ret = fimc_is_wait_event(is, IS_ST_STREAM_ON, 1,281					 FIMC_IS_CONFIG_TIMEOUT);282		if (ret < 0) {283			v4l2_err(sd, "stream on timeout\n");284			return ret;285		}286	} else {287		clear_bit(IS_ST_STREAM_OFF, &is->state);288		fimc_is_hw_stream_off(is);289		ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1,290					 FIMC_IS_CONFIG_TIMEOUT);291		if (ret < 0) {292			v4l2_err(sd, "stream off timeout\n");293			return ret;294		}295		is->setfile.sub_index = 0;296	}297 298	return 0;299}300 301static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on)302{303	struct fimc_isp *isp = v4l2_get_subdevdata(sd);304	struct fimc_is *is = fimc_isp_to_is(isp);305	int ret = 0;306 307	pr_debug("on: %d\n", on);308 309	if (on) {310		ret = pm_runtime_resume_and_get(&is->pdev->dev);311		if (ret < 0)312			return ret;313 314		set_bit(IS_ST_PWR_ON, &is->state);315 316		ret = fimc_is_start_firmware(is);317		if (ret < 0) {318			v4l2_err(sd, "firmware booting failed\n");319			pm_runtime_put(&is->pdev->dev);320			return ret;321		}322		set_bit(IS_ST_PWR_SUBIP_ON, &is->state);323 324		ret = fimc_is_hw_initialize(is);325	} else {326		/* Close sensor */327		if (!test_bit(IS_ST_PWR_ON, &is->state)) {328			fimc_is_hw_close_sensor(is, 0);329 330			ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0,331						 FIMC_IS_CONFIG_TIMEOUT);332			if (ret < 0) {333				v4l2_err(sd, "sensor close timeout\n");334				return ret;335			}336		}337 338		/* SUB IP power off */339		if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) {340			fimc_is_hw_subip_power_off(is);341			ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0,342						 FIMC_IS_CONFIG_TIMEOUT);343			if (ret < 0) {344				v4l2_err(sd, "sub-IP power off timeout\n");345				return ret;346			}347		}348 349		fimc_is_cpu_set_power(is, 0);350		pm_runtime_put_sync(&is->pdev->dev);351 352		clear_bit(IS_ST_PWR_ON, &is->state);353		clear_bit(IS_ST_INIT_DONE, &is->state);354		is->state = 0;355		is->config[is->config_index].p_region_index[0] = 0;356		is->config[is->config_index].p_region_index[1] = 0;357		set_bit(IS_ST_IDLE, &is->state);358		wmb();359	}360 361	return ret;362}363 364static int fimc_isp_subdev_open(struct v4l2_subdev *sd,365				struct v4l2_subdev_fh *fh)366{367	struct v4l2_mbus_framefmt *format;368	struct v4l2_mbus_framefmt fmt = {369		.colorspace = V4L2_COLORSPACE_SRGB,370		.code = fimc_isp_formats[0].mbus_code,371		.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH,372		.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT,373		.field = V4L2_FIELD_NONE,374	};375 376	format = v4l2_subdev_state_get_format(fh->state, FIMC_ISP_SD_PAD_SINK);377	*format = fmt;378 379	format = v4l2_subdev_state_get_format(fh->state,380					      FIMC_ISP_SD_PAD_SRC_FIFO);381	fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;382	fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;383	*format = fmt;384 385	format = v4l2_subdev_state_get_format(fh->state,386					      FIMC_ISP_SD_PAD_SRC_DMA);387	*format = fmt;388 389	return 0;390}391 392static int fimc_isp_subdev_registered(struct v4l2_subdev *sd)393{394	struct fimc_isp *isp = v4l2_get_subdevdata(sd);395	int ret;396 397	/* Use pipeline object allocated by the media device. */398	isp->video_capture.ve.pipe = v4l2_get_subdev_hostdata(sd);399 400	ret = fimc_isp_video_device_register(isp, sd->v4l2_dev,401			V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);402	if (ret < 0)403		isp->video_capture.ve.pipe = NULL;404 405	return ret;406}407 408static void fimc_isp_subdev_unregistered(struct v4l2_subdev *sd)409{410	struct fimc_isp *isp = v4l2_get_subdevdata(sd);411 412	fimc_isp_video_device_unregister(isp,413			V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);414}415 416static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = {417	.registered = fimc_isp_subdev_registered,418	.unregistered = fimc_isp_subdev_unregistered,419	.open = fimc_isp_subdev_open,420};421 422static const struct v4l2_subdev_pad_ops fimc_is_subdev_pad_ops = {423	.enum_mbus_code = fimc_is_subdev_enum_mbus_code,424	.get_fmt = fimc_isp_subdev_get_fmt,425	.set_fmt = fimc_isp_subdev_set_fmt,426};427 428static const struct v4l2_subdev_video_ops fimc_is_subdev_video_ops = {429	.s_stream = fimc_isp_subdev_s_stream,430};431 432static const struct v4l2_subdev_core_ops fimc_is_core_ops = {433	.s_power = fimc_isp_subdev_s_power,434};435 436static const struct v4l2_subdev_ops fimc_is_subdev_ops = {437	.core = &fimc_is_core_ops,438	.video = &fimc_is_subdev_video_ops,439	.pad = &fimc_is_subdev_pad_ops,440};441 442static int __ctrl_set_white_balance(struct fimc_is *is, int value)443{444	switch (value) {445	case V4L2_WHITE_BALANCE_AUTO:446		__is_set_isp_awb(is, ISP_AWB_COMMAND_AUTO, 0);447		break;448	case V4L2_WHITE_BALANCE_DAYLIGHT:449		__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,450					ISP_AWB_ILLUMINATION_DAYLIGHT);451		break;452	case V4L2_WHITE_BALANCE_CLOUDY:453		__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,454					ISP_AWB_ILLUMINATION_CLOUDY);455		break;456	case V4L2_WHITE_BALANCE_INCANDESCENT:457		__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,458					ISP_AWB_ILLUMINATION_TUNGSTEN);459		break;460	case V4L2_WHITE_BALANCE_FLUORESCENT:461		__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,462					ISP_AWB_ILLUMINATION_FLUORESCENT);463		break;464	default:465		return -EINVAL;466	}467 468	return 0;469}470 471static int __ctrl_set_aewb_lock(struct fimc_is *is,472				      struct v4l2_ctrl *ctrl)473{474	bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;475	bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;476	struct isp_param *isp = &is->is_p_region->parameter.isp;477	int cmd, ret;478 479	cmd = ae_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;480	isp->aa.cmd = cmd;481	isp->aa.target = ISP_AA_TARGET_AE;482	fimc_is_set_param_bit(is, PARAM_ISP_AA);483	is->af.ae_lock_state = ae_lock;484	wmb();485 486	ret = fimc_is_itf_s_param(is, false);487	if (ret < 0)488		return ret;489 490	cmd = awb_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;491	isp->aa.cmd = cmd;492	isp->aa.target = ISP_AA_TARGET_AE;493	fimc_is_set_param_bit(is, PARAM_ISP_AA);494	is->af.awb_lock_state = awb_lock;495	wmb();496 497	return fimc_is_itf_s_param(is, false);498}499 500/* Supported manual ISO values */501static const s64 iso_qmenu[] = {502	50, 100, 200, 400, 800,503};504 505static int __ctrl_set_iso(struct fimc_is *is, int value)506{507	unsigned int idx, iso;508 509	if (value == V4L2_ISO_SENSITIVITY_AUTO) {510		__is_set_isp_iso(is, ISP_ISO_COMMAND_AUTO, 0);511		return 0;512	}513	idx = is->isp.ctrls.iso->val;514	if (idx >= ARRAY_SIZE(iso_qmenu))515		return -EINVAL;516 517	iso = iso_qmenu[idx];518	__is_set_isp_iso(is, ISP_ISO_COMMAND_MANUAL, iso);519	return 0;520}521 522static int __ctrl_set_metering(struct fimc_is *is, unsigned int value)523{524	unsigned int val;525 526	switch (value) {527	case V4L2_EXPOSURE_METERING_AVERAGE:528		val = ISP_METERING_COMMAND_AVERAGE;529		break;530	case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:531		val = ISP_METERING_COMMAND_CENTER;532		break;533	case V4L2_EXPOSURE_METERING_SPOT:534		val = ISP_METERING_COMMAND_SPOT;535		break;536	case V4L2_EXPOSURE_METERING_MATRIX:537		val = ISP_METERING_COMMAND_MATRIX;538		break;539	default:540		return -EINVAL;541	}542 543	__is_set_isp_metering(is, IS_METERING_CONFIG_CMD, val);544	return 0;545}546 547static int __ctrl_set_afc(struct fimc_is *is, int value)548{549	switch (value) {550	case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:551		__is_set_isp_afc(is, ISP_AFC_COMMAND_DISABLE, 0);552		break;553	case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:554		__is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 50);555		break;556	case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:557		__is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 60);558		break;559	case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:560		__is_set_isp_afc(is, ISP_AFC_COMMAND_AUTO, 0);561		break;562	default:563		return -EINVAL;564	}565 566	return 0;567}568 569static int __ctrl_set_image_effect(struct fimc_is *is, int value)570{571	static const u8 effects[][2] = {572		{ V4L2_COLORFX_NONE,	 ISP_IMAGE_EFFECT_DISABLE },573		{ V4L2_COLORFX_BW,	 ISP_IMAGE_EFFECT_MONOCHROME },574		{ V4L2_COLORFX_SEPIA,	 ISP_IMAGE_EFFECT_SEPIA },575		{ V4L2_COLORFX_NEGATIVE, ISP_IMAGE_EFFECT_NEGATIVE_MONO },576		{ 16 /* TODO */,	 ISP_IMAGE_EFFECT_NEGATIVE_COLOR },577	};578	int i;579 580	for (i = 0; i < ARRAY_SIZE(effects); i++) {581		if (effects[i][0] != value)582			continue;583 584		__is_set_isp_effect(is, effects[i][1]);585		return 0;586	}587 588	return -EINVAL;589}590 591static int fimc_is_s_ctrl(struct v4l2_ctrl *ctrl)592{593	struct fimc_isp *isp = ctrl_to_fimc_isp(ctrl);594	struct fimc_is *is = fimc_isp_to_is(isp);595	bool set_param = true;596	int ret = 0;597 598	switch (ctrl->id) {599	case V4L2_CID_CONTRAST:600		__is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_CONTRAST,601				    ctrl->val);602		break;603 604	case V4L2_CID_SATURATION:605		__is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SATURATION,606				    ctrl->val);607		break;608 609	case V4L2_CID_SHARPNESS:610		__is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SHARPNESS,611				    ctrl->val);612		break;613 614	case V4L2_CID_EXPOSURE_ABSOLUTE:615		__is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_EXPOSURE,616				    ctrl->val);617		break;618 619	case V4L2_CID_BRIGHTNESS:620		__is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_BRIGHTNESS,621				    ctrl->val);622		break;623 624	case V4L2_CID_HUE:625		__is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_HUE,626				    ctrl->val);627		break;628 629	case V4L2_CID_EXPOSURE_METERING:630		ret = __ctrl_set_metering(is, ctrl->val);631		break;632 633	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:634		ret = __ctrl_set_white_balance(is, ctrl->val);635		break;636 637	case V4L2_CID_3A_LOCK:638		ret = __ctrl_set_aewb_lock(is, ctrl);639		set_param = false;640		break;641 642	case V4L2_CID_ISO_SENSITIVITY_AUTO:643		ret = __ctrl_set_iso(is, ctrl->val);644		break;645 646	case V4L2_CID_POWER_LINE_FREQUENCY:647		ret = __ctrl_set_afc(is, ctrl->val);648		break;649 650	case V4L2_CID_COLORFX:651		__ctrl_set_image_effect(is, ctrl->val);652		break;653 654	default:655		ret = -EINVAL;656		break;657	}658 659	if (ret < 0) {660		v4l2_err(&isp->subdev, "Failed to set control: %s (%d)\n",661						ctrl->name, ctrl->val);662		return ret;663	}664 665	if (set_param && test_bit(IS_ST_STREAM_ON, &is->state))666		return fimc_is_itf_s_param(is, true);667 668	return 0;669}670 671static const struct v4l2_ctrl_ops fimc_isp_ctrl_ops = {672	.s_ctrl	= fimc_is_s_ctrl,673};674 675static void __isp_subdev_set_default_format(struct fimc_isp *isp)676{677	struct fimc_is *is = fimc_isp_to_is(isp);678 679	isp->sink_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH +680				FIMC_ISP_CAC_MARGIN_WIDTH;681	isp->sink_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT +682				FIMC_ISP_CAC_MARGIN_HEIGHT;683	isp->sink_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10;684 685	isp->src_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;686	isp->src_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;687	isp->src_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10;688	__is_set_frame_size(is, &isp->src_fmt);689}690 691int fimc_isp_subdev_create(struct fimc_isp *isp)692{693	const struct v4l2_ctrl_ops *ops = &fimc_isp_ctrl_ops;694	struct v4l2_ctrl_handler *handler = &isp->ctrls.handler;695	struct v4l2_subdev *sd = &isp->subdev;696	struct fimc_isp_ctrls *ctrls = &isp->ctrls;697	int ret;698 699	mutex_init(&isp->subdev_lock);700 701	v4l2_subdev_init(sd, &fimc_is_subdev_ops);702 703	sd->owner = THIS_MODULE;704	sd->grp_id = GRP_ID_FIMC_IS;705	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;706	snprintf(sd->name, sizeof(sd->name), "FIMC-IS-ISP");707 708	sd->entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER;709	isp->subdev_pads[FIMC_ISP_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK;710	isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_FIFO].flags = MEDIA_PAD_FL_SOURCE;711	isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_DMA].flags = MEDIA_PAD_FL_SOURCE;712	ret = media_entity_pads_init(&sd->entity, FIMC_ISP_SD_PADS_NUM,713				isp->subdev_pads);714	if (ret)715		return ret;716 717	v4l2_ctrl_handler_init(handler, 20);718 719	ctrls->saturation = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SATURATION,720						-2, 2, 1, 0);721	ctrls->brightness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_BRIGHTNESS,722						-4, 4, 1, 0);723	ctrls->contrast = v4l2_ctrl_new_std(handler, ops, V4L2_CID_CONTRAST,724						-2, 2, 1, 0);725	ctrls->sharpness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SHARPNESS,726						-2, 2, 1, 0);727	ctrls->hue = v4l2_ctrl_new_std(handler, ops, V4L2_CID_HUE,728						-2, 2, 1, 0);729 730	ctrls->auto_wb = v4l2_ctrl_new_std_menu(handler, ops,731					V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,732					8, ~0x14e, V4L2_WHITE_BALANCE_AUTO);733 734	ctrls->exposure = v4l2_ctrl_new_std(handler, ops,735					V4L2_CID_EXPOSURE_ABSOLUTE,736					-4, 4, 1, 0);737 738	ctrls->exp_metering = v4l2_ctrl_new_std_menu(handler, ops,739					V4L2_CID_EXPOSURE_METERING, 3,740					~0xf, V4L2_EXPOSURE_METERING_AVERAGE);741 742	v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_POWER_LINE_FREQUENCY,743					V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,744					V4L2_CID_POWER_LINE_FREQUENCY_AUTO);745	/* ISO sensitivity */746	ctrls->auto_iso = v4l2_ctrl_new_std_menu(handler, ops,747			V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0,748			V4L2_ISO_SENSITIVITY_AUTO);749 750	ctrls->iso = v4l2_ctrl_new_int_menu(handler, ops,751			V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,752			ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);753 754	ctrls->aewb_lock = v4l2_ctrl_new_std(handler, ops,755					V4L2_CID_3A_LOCK, 0, 0x3, 0, 0);756 757	/* TODO: Add support for NEGATIVE_COLOR option */758	ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_COLORFX,759			V4L2_COLORFX_SET_CBCR + 1, ~0x1000f, V4L2_COLORFX_NONE);760 761	if (handler->error) {762		media_entity_cleanup(&sd->entity);763		return handler->error;764	}765 766	v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso,767			V4L2_ISO_SENSITIVITY_MANUAL, false);768 769	sd->ctrl_handler = handler;770	sd->internal_ops = &fimc_is_subdev_internal_ops;771	sd->entity.ops = &fimc_is_subdev_media_ops;772	v4l2_set_subdevdata(sd, isp);773 774	__isp_subdev_set_default_format(isp);775 776	return 0;777}778 779void fimc_isp_subdev_destroy(struct fimc_isp *isp)780{781	struct v4l2_subdev *sd = &isp->subdev;782 783	v4l2_device_unregister_subdev(sd);784	media_entity_cleanup(&sd->entity);785	v4l2_ctrl_handler_free(&isp->ctrls.handler);786	v4l2_set_subdevdata(sd, NULL);787}788