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OpenCloudOS-Kernel/drivers/media/platform/exynos4-is/fimc-isp.c

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/*
* Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
*
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
*
* Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
* Younghwan Joo <yhwan.joo@samsung.com>
*
* 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 <linux/device.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <media/v4l2-device.h>
#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)
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");
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);
}
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