// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
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*
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* Copyright (C) 2013 Samsung Electronics Co., Ltd.
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*
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* Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
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* Younghwan Joo <yhwan.joo@samsung.com>
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*/
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#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/printk.h>
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#include <linux/pm_runtime.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <media/v4l2-device.h>
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#include "media-dev.h"
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#include "fimc-isp-video.h"
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#include "fimc-is-command.h"
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#include "fimc-is-param.h"
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#include "fimc-is-regs.h"
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#include "fimc-is.h"
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int fimc_isp_debug;
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module_param_named(debug_isp, fimc_isp_debug, int, S_IRUGO | S_IWUSR);
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static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = {
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{
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.fourcc = V4L2_PIX_FMT_SGRBG8,
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.depth = { 8 },
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.color = FIMC_FMT_RAW8,
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.memplanes = 1,
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.mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8,
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}, {
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.fourcc = V4L2_PIX_FMT_SGRBG10,
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.depth = { 10 },
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.color = FIMC_FMT_RAW10,
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.memplanes = 1,
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.mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10,
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}, {
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.fourcc = V4L2_PIX_FMT_SGRBG12,
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.depth = { 12 },
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.color = FIMC_FMT_RAW12,
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.memplanes = 1,
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.mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12,
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},
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};
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/**
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* fimc_isp_find_format - lookup color format by fourcc or media bus code
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* @pixelformat: fourcc to match, ignored if null
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* @mbus_code: media bus code to match, ignored if null
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* @index: index to the fimc_isp_formats array, ignored if negative
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*/
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const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat,
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const u32 *mbus_code, int index)
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{
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const struct fimc_fmt *fmt, *def_fmt = NULL;
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unsigned int i;
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int id = 0;
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if (index >= (int)ARRAY_SIZE(fimc_isp_formats))
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return NULL;
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for (i = 0; i < ARRAY_SIZE(fimc_isp_formats); ++i) {
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fmt = &fimc_isp_formats[i];
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if (pixelformat && fmt->fourcc == *pixelformat)
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return fmt;
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if (mbus_code && fmt->mbus_code == *mbus_code)
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return fmt;
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if (index == id)
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def_fmt = fmt;
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id++;
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}
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return def_fmt;
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}
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void fimc_isp_irq_handler(struct fimc_is *is)
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{
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is->i2h_cmd.args[0] = mcuctl_read(is, MCUCTL_REG_ISSR(20));
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is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21));
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fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP);
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fimc_isp_video_irq_handler(is);
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wake_up(&is->irq_queue);
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}
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/* Capture subdev media entity operations */
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static int fimc_is_link_setup(struct media_entity *entity,
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const struct media_pad *local,
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const struct media_pad *remote, u32 flags)
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{
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return 0;
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}
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static const struct media_entity_operations fimc_is_subdev_media_ops = {
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.link_setup = fimc_is_link_setup,
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};
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static int fimc_is_subdev_enum_mbus_code(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_mbus_code_enum *code)
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{
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const struct fimc_fmt *fmt;
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fmt = fimc_isp_find_format(NULL, NULL, code->index);
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if (!fmt)
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return -EINVAL;
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code->code = fmt->mbus_code;
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return 0;
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}
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static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_format *fmt)
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{
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struct fimc_isp *isp = v4l2_get_subdevdata(sd);
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struct v4l2_mbus_framefmt *mf = &fmt->format;
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if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
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*mf = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
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return 0;
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}
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mf->colorspace = V4L2_COLORSPACE_SRGB;
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mutex_lock(&isp->subdev_lock);
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if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
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/* ISP OTF input image format */
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*mf = isp->sink_fmt;
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} else {
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/* ISP OTF output image format */
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*mf = isp->src_fmt;
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if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
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mf->colorspace = V4L2_COLORSPACE_JPEG;
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mf->code = MEDIA_BUS_FMT_YUV10_1X30;
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}
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}
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mutex_unlock(&isp->subdev_lock);
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isp_dbg(1, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n", __func__,
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fmt->pad, mf->code, mf->width, mf->height);
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return 0;
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}
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static void __isp_subdev_try_format(struct fimc_isp *isp,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_format *fmt)
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{
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struct v4l2_mbus_framefmt *mf = &fmt->format;
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struct v4l2_mbus_framefmt *format;
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mf->colorspace = V4L2_COLORSPACE_SRGB;
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if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
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v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN,
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FIMC_ISP_SINK_WIDTH_MAX, 0,
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&mf->height, FIMC_ISP_SINK_HEIGHT_MIN,
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FIMC_ISP_SINK_HEIGHT_MAX, 0, 0);
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mf->code = MEDIA_BUS_FMT_SGRBG10_1X10;
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} else {
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if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
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format = v4l2_subdev_get_try_format(&isp->subdev, cfg,
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FIMC_ISP_SD_PAD_SINK);
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else
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format = &isp->sink_fmt;
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/* Allow changing format only on sink pad */
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mf->width = format->width - FIMC_ISP_CAC_MARGIN_WIDTH;
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mf->height = format->height - FIMC_ISP_CAC_MARGIN_HEIGHT;
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if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
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mf->code = MEDIA_BUS_FMT_YUV10_1X30;
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mf->colorspace = V4L2_COLORSPACE_JPEG;
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} else {
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mf->code = format->code;
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}
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}
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}
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static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_format *fmt)
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{
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struct fimc_isp *isp = v4l2_get_subdevdata(sd);
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struct fimc_is *is = fimc_isp_to_is(isp);
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struct v4l2_mbus_framefmt *mf = &fmt->format;
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int ret = 0;
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isp_dbg(1, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
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__func__, fmt->pad, mf->code, mf->width, mf->height);
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mutex_lock(&isp->subdev_lock);
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__isp_subdev_try_format(isp, cfg, fmt);
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if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
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mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
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*mf = fmt->format;
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/* Propagate format to the source pads */
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if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
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struct v4l2_subdev_format format = *fmt;
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unsigned int pad;
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for (pad = FIMC_ISP_SD_PAD_SRC_FIFO;
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pad < FIMC_ISP_SD_PADS_NUM; pad++) {
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format.pad = pad;
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__isp_subdev_try_format(isp, cfg, &format);
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mf = v4l2_subdev_get_try_format(sd, cfg, pad);
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*mf = format.format;
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}
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}
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} else {
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if (sd->entity.stream_count == 0) {
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if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
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struct v4l2_subdev_format format = *fmt;
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isp->sink_fmt = *mf;
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format.pad = FIMC_ISP_SD_PAD_SRC_DMA;
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__isp_subdev_try_format(isp, cfg, &format);
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isp->src_fmt = format.format;
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__is_set_frame_size(is, &isp->src_fmt);
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} else {
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isp->src_fmt = *mf;
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}
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} else {
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ret = -EBUSY;
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}
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}
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mutex_unlock(&isp->subdev_lock);
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return ret;
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}
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static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)
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{
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struct fimc_isp *isp = v4l2_get_subdevdata(sd);
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struct fimc_is *is = fimc_isp_to_is(isp);
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int ret;
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isp_dbg(1, sd, "%s: on: %d\n", __func__, on);
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if (!test_bit(IS_ST_INIT_DONE, &is->state))
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return -EBUSY;
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fimc_is_mem_barrier();
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if (on) {
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if (__get_pending_param_count(is)) {
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ret = fimc_is_itf_s_param(is, true);
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if (ret < 0)
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return ret;
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}
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isp_dbg(1, sd, "changing mode to %d\n", is->config_index);
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ret = fimc_is_itf_mode_change(is);
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if (ret)
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return -EINVAL;
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clear_bit(IS_ST_STREAM_ON, &is->state);
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fimc_is_hw_stream_on(is);
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ret = fimc_is_wait_event(is, IS_ST_STREAM_ON, 1,
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FIMC_IS_CONFIG_TIMEOUT);
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if (ret < 0) {
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v4l2_err(sd, "stream on timeout\n");
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return ret;
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}
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} else {
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clear_bit(IS_ST_STREAM_OFF, &is->state);
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fimc_is_hw_stream_off(is);
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ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1,
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FIMC_IS_CONFIG_TIMEOUT);
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if (ret < 0) {
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v4l2_err(sd, "stream off timeout\n");
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return ret;
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}
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is->setfile.sub_index = 0;
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}
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return 0;
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}
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static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on)
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{
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struct fimc_isp *isp = v4l2_get_subdevdata(sd);
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struct fimc_is *is = fimc_isp_to_is(isp);
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int ret = 0;
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pr_debug("on: %d\n", on);
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if (on) {
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ret = pm_runtime_resume_and_get(&is->pdev->dev);
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if (ret < 0)
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return ret;
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set_bit(IS_ST_PWR_ON, &is->state);
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ret = fimc_is_start_firmware(is);
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if (ret < 0) {
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v4l2_err(sd, "firmware booting failed\n");
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pm_runtime_put(&is->pdev->dev);
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return ret;
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}
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set_bit(IS_ST_PWR_SUBIP_ON, &is->state);
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ret = fimc_is_hw_initialize(is);
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} else {
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/* Close sensor */
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if (!test_bit(IS_ST_PWR_ON, &is->state)) {
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fimc_is_hw_close_sensor(is, 0);
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ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0,
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FIMC_IS_CONFIG_TIMEOUT);
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if (ret < 0) {
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v4l2_err(sd, "sensor close timeout\n");
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return ret;
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}
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}
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/* SUB IP power off */
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if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) {
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fimc_is_hw_subip_power_off(is);
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ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0,
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FIMC_IS_CONFIG_TIMEOUT);
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if (ret < 0) {
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v4l2_err(sd, "sub-IP power off timeout\n");
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return ret;
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}
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}
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fimc_is_cpu_set_power(is, 0);
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pm_runtime_put_sync(&is->pdev->dev);
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clear_bit(IS_ST_PWR_ON, &is->state);
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clear_bit(IS_ST_INIT_DONE, &is->state);
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is->state = 0;
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is->config[is->config_index].p_region_index[0] = 0;
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is->config[is->config_index].p_region_index[1] = 0;
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set_bit(IS_ST_IDLE, &is->state);
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wmb();
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}
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return ret;
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}
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static int fimc_isp_subdev_open(struct v4l2_subdev *sd,
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struct v4l2_subdev_fh *fh)
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{
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struct v4l2_mbus_framefmt *format;
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struct v4l2_mbus_framefmt fmt = {
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.colorspace = V4L2_COLORSPACE_SRGB,
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.code = fimc_isp_formats[0].mbus_code,
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.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH,
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.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT,
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.field = V4L2_FIELD_NONE,
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};
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format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SINK);
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*format = fmt;
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format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_FIFO);
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fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;
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fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;
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*format = fmt;
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format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_DMA);
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*format = fmt;
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return 0;
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}
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static int fimc_isp_subdev_registered(struct v4l2_subdev *sd)
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{
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struct fimc_isp *isp = v4l2_get_subdevdata(sd);
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int ret;
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/* Use pipeline object allocated by the media device. */
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isp->video_capture.ve.pipe = v4l2_get_subdev_hostdata(sd);
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ret = fimc_isp_video_device_register(isp, sd->v4l2_dev,
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V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
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if (ret < 0)
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isp->video_capture.ve.pipe = NULL;
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return ret;
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}
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static void fimc_isp_subdev_unregistered(struct v4l2_subdev *sd)
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{
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struct fimc_isp *isp = v4l2_get_subdevdata(sd);
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fimc_isp_video_device_unregister(isp,
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V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
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}
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static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = {
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.registered = fimc_isp_subdev_registered,
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.unregistered = fimc_isp_subdev_unregistered,
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.open = fimc_isp_subdev_open,
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};
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static const struct v4l2_subdev_pad_ops fimc_is_subdev_pad_ops = {
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.enum_mbus_code = fimc_is_subdev_enum_mbus_code,
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.get_fmt = fimc_isp_subdev_get_fmt,
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.set_fmt = fimc_isp_subdev_set_fmt,
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};
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static const struct v4l2_subdev_video_ops fimc_is_subdev_video_ops = {
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.s_stream = fimc_isp_subdev_s_stream,
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};
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static const struct v4l2_subdev_core_ops fimc_is_core_ops = {
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.s_power = fimc_isp_subdev_s_power,
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};
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static const struct v4l2_subdev_ops fimc_is_subdev_ops = {
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.core = &fimc_is_core_ops,
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.video = &fimc_is_subdev_video_ops,
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.pad = &fimc_is_subdev_pad_ops,
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};
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static int __ctrl_set_white_balance(struct fimc_is *is, int value)
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{
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switch (value) {
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case V4L2_WHITE_BALANCE_AUTO:
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__is_set_isp_awb(is, ISP_AWB_COMMAND_AUTO, 0);
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break;
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case V4L2_WHITE_BALANCE_DAYLIGHT:
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__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
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ISP_AWB_ILLUMINATION_DAYLIGHT);
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break;
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case V4L2_WHITE_BALANCE_CLOUDY:
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__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
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ISP_AWB_ILLUMINATION_CLOUDY);
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break;
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case V4L2_WHITE_BALANCE_INCANDESCENT:
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__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
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ISP_AWB_ILLUMINATION_TUNGSTEN);
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break;
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case V4L2_WHITE_BALANCE_FLUORESCENT:
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__is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
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ISP_AWB_ILLUMINATION_FLUORESCENT);
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int __ctrl_set_aewb_lock(struct fimc_is *is,
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struct v4l2_ctrl *ctrl)
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{
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bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
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bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
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struct isp_param *isp = &is->is_p_region->parameter.isp;
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int cmd, ret;
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cmd = ae_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
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isp->aa.cmd = cmd;
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isp->aa.target = ISP_AA_TARGET_AE;
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fimc_is_set_param_bit(is, PARAM_ISP_AA);
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is->af.ae_lock_state = ae_lock;
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wmb();
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ret = fimc_is_itf_s_param(is, false);
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if (ret < 0)
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return ret;
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cmd = awb_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
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isp->aa.cmd = cmd;
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isp->aa.target = ISP_AA_TARGET_AE;
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fimc_is_set_param_bit(is, PARAM_ISP_AA);
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is->af.awb_lock_state = awb_lock;
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wmb();
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return fimc_is_itf_s_param(is, false);
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}
|
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/* Supported manual ISO values */
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static const s64 iso_qmenu[] = {
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50, 100, 200, 400, 800,
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};
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static int __ctrl_set_iso(struct fimc_is *is, int value)
|
{
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unsigned int idx, iso;
|
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if (value == V4L2_ISO_SENSITIVITY_AUTO) {
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__is_set_isp_iso(is, ISP_ISO_COMMAND_AUTO, 0);
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return 0;
|
}
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idx = is->isp.ctrls.iso->val;
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if (idx >= ARRAY_SIZE(iso_qmenu))
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return -EINVAL;
|
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iso = iso_qmenu[idx];
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__is_set_isp_iso(is, ISP_ISO_COMMAND_MANUAL, iso);
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return 0;
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}
|
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static int __ctrl_set_metering(struct fimc_is *is, unsigned int value)
|
{
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unsigned int val;
|
|
switch (value) {
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case V4L2_EXPOSURE_METERING_AVERAGE:
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val = ISP_METERING_COMMAND_AVERAGE;
|
break;
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case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
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val = ISP_METERING_COMMAND_CENTER;
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break;
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case V4L2_EXPOSURE_METERING_SPOT:
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val = ISP_METERING_COMMAND_SPOT;
|
break;
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case V4L2_EXPOSURE_METERING_MATRIX:
|
val = ISP_METERING_COMMAND_MATRIX;
|
break;
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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;
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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");
|
|
sd->entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER;
|
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_pads_init(&sd->entity, FIMC_ISP_SD_PADS_NUM,
|
isp->subdev_pads);
|
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);
|
}
|
