diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c | 1422 |
1 files changed, 0 insertions, 1422 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c deleted file mode 100644 index 49a9973b4289..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_subdev.c +++ /dev/null @@ -1,1422 +0,0 @@ -/* - * Support for Medifield PNW Camera Imaging ISP subsystem. - * - * Copyright (c) 2010 Intel Corporation. All Rights Reserved. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * - */ -#include <linux/module.h> -#include <linux/uaccess.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/slab.h> - -#include <media/v4l2-event.h> -#include <media/v4l2-mediabus.h> -#include "atomisp_cmd.h" -#include "atomisp_common.h" -#include "atomisp_compat.h" -#include "atomisp_internal.h" - -const struct atomisp_in_fmt_conv atomisp_in_fmt_conv[] = { - { MEDIA_BUS_FMT_SBGGR8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, CSS_BAYER_ORDER_BGGR, CSS_FORMAT_RAW_8 }, - { MEDIA_BUS_FMT_SGBRG8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, CSS_BAYER_ORDER_GBRG, CSS_FORMAT_RAW_8 }, - { MEDIA_BUS_FMT_SGRBG8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, CSS_BAYER_ORDER_GRBG, CSS_FORMAT_RAW_8 }, - { MEDIA_BUS_FMT_SRGGB8_1X8, 8, 8, ATOMISP_INPUT_FORMAT_RAW_8, CSS_BAYER_ORDER_RGGB, CSS_FORMAT_RAW_8 }, - { MEDIA_BUS_FMT_SBGGR10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, CSS_BAYER_ORDER_BGGR, CSS_FORMAT_RAW_10 }, - { MEDIA_BUS_FMT_SGBRG10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, CSS_BAYER_ORDER_GBRG, CSS_FORMAT_RAW_10 }, - { MEDIA_BUS_FMT_SGRBG10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, CSS_BAYER_ORDER_GRBG, CSS_FORMAT_RAW_10 }, - { MEDIA_BUS_FMT_SRGGB10_1X10, 10, 10, ATOMISP_INPUT_FORMAT_RAW_10, CSS_BAYER_ORDER_RGGB, CSS_FORMAT_RAW_10 }, - { MEDIA_BUS_FMT_SBGGR12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, CSS_BAYER_ORDER_BGGR, CSS_FORMAT_RAW_12 }, - { MEDIA_BUS_FMT_SGBRG12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, CSS_BAYER_ORDER_GBRG, CSS_FORMAT_RAW_12 }, - { MEDIA_BUS_FMT_SGRBG12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, CSS_BAYER_ORDER_GRBG, CSS_FORMAT_RAW_12 }, - { MEDIA_BUS_FMT_SRGGB12_1X12, 12, 12, ATOMISP_INPUT_FORMAT_RAW_12, CSS_BAYER_ORDER_RGGB, CSS_FORMAT_RAW_12 }, - { MEDIA_BUS_FMT_UYVY8_1X16, 8, 8, ATOMISP_INPUT_FORMAT_YUV422_8, 0, ATOMISP_INPUT_FORMAT_YUV422_8 }, - { MEDIA_BUS_FMT_YUYV8_1X16, 8, 8, ATOMISP_INPUT_FORMAT_YUV422_8, 0, ATOMISP_INPUT_FORMAT_YUV422_8 }, - { MEDIA_BUS_FMT_JPEG_1X8, 8, 8, CSS_FRAME_FORMAT_BINARY_8, 0, ATOMISP_INPUT_FORMAT_BINARY_8 }, - { V4L2_MBUS_FMT_CUSTOM_NV12, 12, 12, CSS_FRAME_FORMAT_NV12, 0, CSS_FRAME_FORMAT_NV12 }, - { V4L2_MBUS_FMT_CUSTOM_NV21, 12, 12, CSS_FRAME_FORMAT_NV21, 0, CSS_FRAME_FORMAT_NV21 }, - { V4L2_MBUS_FMT_CUSTOM_YUV420, 12, 12, ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY, 0, ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY }, -#if 0 - { V4L2_MBUS_FMT_CUSTOM_M10MO_RAW, 8, 8, CSS_FRAME_FORMAT_BINARY_8, 0, ATOMISP_INPUT_FORMAT_BINARY_8 }, -#endif - /* no valid V4L2 MBUS code for metadata format, so leave it 0. */ - { 0, 0, 0, ATOMISP_INPUT_FORMAT_EMBEDDED, 0, ATOMISP_INPUT_FORMAT_EMBEDDED }, - {} -}; - -static const struct { - u32 code; - u32 compressed; -} compressed_codes[] = { - { MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8 }, - { MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8 }, - { MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8 }, - { MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8 }, -}; - -u32 atomisp_subdev_uncompressed_code(u32 code) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(compressed_codes); i++) - if (code == compressed_codes[i].compressed) - return compressed_codes[i].code; - - return code; -} - -bool atomisp_subdev_is_compressed(u32 code) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(atomisp_in_fmt_conv) - 1; i++) - if (code == atomisp_in_fmt_conv[i].code) - return atomisp_in_fmt_conv[i].bpp != - atomisp_in_fmt_conv[i].depth; - - return false; -} - -const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv(u32 code) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(atomisp_in_fmt_conv) - 1; i++) - if (code == atomisp_in_fmt_conv[i].code) - return atomisp_in_fmt_conv + i; - - return NULL; -} - -const struct atomisp_in_fmt_conv *atomisp_find_in_fmt_conv_by_atomisp_in_fmt( - enum atomisp_input_format atomisp_in_fmt) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(atomisp_in_fmt_conv) - 1; i++) - if (atomisp_in_fmt_conv[i].atomisp_in_fmt == atomisp_in_fmt) - return atomisp_in_fmt_conv + i; - - return NULL; -} - -bool atomisp_subdev_format_conversion(struct atomisp_sub_device *asd, - unsigned int source_pad) -{ - struct v4l2_mbus_framefmt *sink, *src; - - sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL, - V4L2_SUBDEV_FORMAT_ACTIVE, - ATOMISP_SUBDEV_PAD_SINK); - src = atomisp_subdev_get_ffmt(&asd->subdev, NULL, - V4L2_SUBDEV_FORMAT_ACTIVE, source_pad); - - return atomisp_is_mbuscode_raw(sink->code) - && !atomisp_is_mbuscode_raw(src->code); -} - -uint16_t atomisp_subdev_source_pad(struct video_device * vdev) -{ - struct media_link *link; - uint16_t ret = 0; - list_for_each_entry(link, &vdev->entity.links, list) { - if (link->source) { - ret = link->source->index; - break; - } - } - return ret; -} - -/* - * V4L2 subdev operations - */ - -/* - * isp_subdev_ioctl - CCDC module private ioctl's - * @sd: ISP V4L2 subdevice - * @cmd: ioctl command - * @arg: ioctl argument - * - * Return 0 on success or a negative error code otherwise. - */ -static long isp_subdev_ioctl(struct v4l2_subdev *sd, - unsigned int cmd, void *arg) -{ - return 0; -} - -/* - * isp_subdev_set_power - Power on/off the CCDC module - * @sd: ISP V4L2 subdevice - * @on: power on/off - * - * Return 0 on success or a negative error code otherwise. - */ -static int isp_subdev_set_power(struct v4l2_subdev *sd, int on) -{ - return 0; -} - -static int isp_subdev_subscribe_event(struct v4l2_subdev *sd, - struct v4l2_fh *fh, - struct v4l2_event_subscription *sub) -{ - struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); - struct atomisp_device *isp = isp_sd->isp; - - if (sub->type != V4L2_EVENT_FRAME_SYNC && - sub->type != V4L2_EVENT_FRAME_END && - sub->type != V4L2_EVENT_ATOMISP_3A_STATS_READY && - sub->type != V4L2_EVENT_ATOMISP_METADATA_READY && - sub->type != V4L2_EVENT_ATOMISP_PAUSE_BUFFER && - sub->type != V4L2_EVENT_ATOMISP_CSS_RESET && - sub->type != V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE && - sub->type != V4L2_EVENT_ATOMISP_ACC_COMPLETE) - return -EINVAL; - - if (sub->type == V4L2_EVENT_FRAME_SYNC && - !atomisp_css_valid_sof(isp)) - return -EINVAL; - - return v4l2_event_subscribe(fh, sub, 16, NULL); -} - -static int isp_subdev_unsubscribe_event(struct v4l2_subdev *sd, - struct v4l2_fh *fh, - struct v4l2_event_subscription *sub) -{ - return v4l2_event_unsubscribe(fh, sub); -} - -/* - * isp_subdev_enum_mbus_code - Handle pixel format enumeration - * @sd: pointer to v4l2 subdev structure - * @fh : V4L2 subdev file handle - * @code: pointer to v4l2_subdev_pad_mbus_code_enum structure - * return -EINVAL or zero on success - */ -static int isp_subdev_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_mbus_code_enum *code) -{ - if (code->index >= ARRAY_SIZE(atomisp_in_fmt_conv) - 1) - return -EINVAL; - - code->code = atomisp_in_fmt_conv[code->index].code; - - return 0; -} - -static int isp_subdev_validate_rect(struct v4l2_subdev *sd, uint32_t pad, - uint32_t target) -{ - switch (pad) { - case ATOMISP_SUBDEV_PAD_SINK: - switch (target) { - case V4L2_SEL_TGT_CROP: - return 0; - } - break; - default: - switch (target) { - case V4L2_SEL_TGT_COMPOSE: - return 0; - } - break; - } - - return -EINVAL; -} - -struct v4l2_rect *atomisp_subdev_get_rect(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - uint32_t which, uint32_t pad, - uint32_t target) -{ - struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); - - if (which == V4L2_SUBDEV_FORMAT_TRY) { - switch (target) { - case V4L2_SEL_TGT_CROP: - return v4l2_subdev_get_try_crop(sd, cfg, pad); - case V4L2_SEL_TGT_COMPOSE: - return v4l2_subdev_get_try_compose(sd, cfg, pad); - } - } - - switch (target) { - case V4L2_SEL_TGT_CROP: - return &isp_sd->fmt[pad].crop; - case V4L2_SEL_TGT_COMPOSE: - return &isp_sd->fmt[pad].compose; - } - - return NULL; -} - -struct v4l2_mbus_framefmt -*atomisp_subdev_get_ffmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, uint32_t which, - uint32_t pad) -{ - struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); - - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(sd, cfg, pad); - - return &isp_sd->fmt[pad].fmt; -} - -static void isp_get_fmt_rect(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, uint32_t which, - struct v4l2_mbus_framefmt **ffmt, - struct v4l2_rect *crop[ATOMISP_SUBDEV_PADS_NUM], - struct v4l2_rect *comp[ATOMISP_SUBDEV_PADS_NUM]) -{ - unsigned int i; - - for (i = 0; i < ATOMISP_SUBDEV_PADS_NUM; i++) { - ffmt[i] = atomisp_subdev_get_ffmt(sd, cfg, which, i); - crop[i] = atomisp_subdev_get_rect(sd, cfg, which, i, - V4L2_SEL_TGT_CROP); - comp[i] = atomisp_subdev_get_rect(sd, cfg, which, i, - V4L2_SEL_TGT_COMPOSE); - } -} - -static void isp_subdev_propagate(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - uint32_t which, uint32_t pad, uint32_t target, - uint32_t flags) -{ - struct v4l2_mbus_framefmt *ffmt[ATOMISP_SUBDEV_PADS_NUM]; - struct v4l2_rect *crop[ATOMISP_SUBDEV_PADS_NUM], - *comp[ATOMISP_SUBDEV_PADS_NUM]; - - if (flags & V4L2_SEL_FLAG_KEEP_CONFIG) - return; - - isp_get_fmt_rect(sd, cfg, which, ffmt, crop, comp); - - switch (pad) { - case ATOMISP_SUBDEV_PAD_SINK: { - struct v4l2_rect r = {0}; - - /* Only crop target supported on sink pad. */ - r.width = ffmt[pad]->width; - r.height = ffmt[pad]->height; - - atomisp_subdev_set_selection(sd, cfg, which, pad, - target, flags, &r); - break; - } - } -} - -static int isp_subdev_get_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_selection *sel) -{ - struct v4l2_rect *rec; - int rval = isp_subdev_validate_rect(sd, sel->pad, sel->target); - - if (rval) - return rval; - - rec = atomisp_subdev_get_rect(sd, cfg, sel->which, sel->pad, - sel->target); - if (!rec) - return -EINVAL; - - sel->r = *rec; - return 0; -} - -static char *atomisp_pad_str[] = { "ATOMISP_SUBDEV_PAD_SINK", - "ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE", - "ATOMISP_SUBDEV_PAD_SOURCE_VF", - "ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW", - "ATOMISP_SUBDEV_PAD_SOURCE_VIDEO"}; - -int atomisp_subdev_set_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - uint32_t which, uint32_t pad, uint32_t target, - uint32_t flags, struct v4l2_rect *r) -{ - struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); - struct atomisp_device *isp = isp_sd->isp; - struct v4l2_mbus_framefmt *ffmt[ATOMISP_SUBDEV_PADS_NUM]; - uint16_t vdev_pad = atomisp_subdev_source_pad(sd->devnode); - struct v4l2_rect *crop[ATOMISP_SUBDEV_PADS_NUM], - *comp[ATOMISP_SUBDEV_PADS_NUM]; - enum atomisp_input_stream_id stream_id; - unsigned int i; - unsigned int padding_w = pad_w; - unsigned int padding_h = pad_h; - - stream_id = atomisp_source_pad_to_stream_id(isp_sd, vdev_pad); - - isp_get_fmt_rect(sd, cfg, which, ffmt, crop, comp); - - dev_dbg(isp->dev, - "sel: pad %s tgt %s l %d t %d w %d h %d which %s f 0x%8.8x\n", - atomisp_pad_str[pad], target == V4L2_SEL_TGT_CROP - ? "V4L2_SEL_TGT_CROP" : "V4L2_SEL_TGT_COMPOSE", - r->left, r->top, r->width, r->height, - which == V4L2_SUBDEV_FORMAT_TRY ? "V4L2_SUBDEV_FORMAT_TRY" - : "V4L2_SUBDEV_FORMAT_ACTIVE", flags); - - r->width = rounddown(r->width, ATOM_ISP_STEP_WIDTH); - r->height = rounddown(r->height, ATOM_ISP_STEP_HEIGHT); - - switch (pad) { - case ATOMISP_SUBDEV_PAD_SINK: { - /* Only crop target supported on sink pad. */ - unsigned int dvs_w, dvs_h; - - crop[pad]->width = ffmt[pad]->width; - crop[pad]->height = ffmt[pad]->height; - - /* Workaround for BYT 1080p perfectshot since the maxinum resolution of - * front camera ov2722 is 1932x1092 and cannot use pad_w > 12*/ - if (!strncmp(isp->inputs[isp_sd->input_curr].camera->name, - "ov2722", 6) && crop[pad]->height == 1092) { - padding_w = 12; - padding_h = 12; - } - - if (isp->inputs[isp_sd->input_curr].type == SOC_CAMERA) { - padding_w = 0; - padding_h = 0; - } - - if (atomisp_subdev_format_conversion(isp_sd, - isp_sd->capture_pad) - && crop[pad]->width && crop[pad]->height) - crop[pad]->width -= padding_w, crop[pad]->height -= padding_h; - - /* if subdev type is SOC camera,we do not need to set DVS */ - if (isp->inputs[isp_sd->input_curr].type == SOC_CAMERA) - isp_sd->params.video_dis_en = 0; - - if (isp_sd->params.video_dis_en && - isp_sd->run_mode->val == ATOMISP_RUN_MODE_VIDEO && - !isp_sd->continuous_mode->val) { - /* This resolution contains 20 % of DVS slack - * (of the desired captured image before - * scaling, or 1 / 6 of what we get from the - * sensor) in both width and height. Remove - * it. */ - crop[pad]->width = roundup(crop[pad]->width * 5 / 6, - ATOM_ISP_STEP_WIDTH); - crop[pad]->height = roundup(crop[pad]->height * 5 / 6, - ATOM_ISP_STEP_HEIGHT); - } - - crop[pad]->width = min(crop[pad]->width, r->width); - crop[pad]->height = min(crop[pad]->height, r->height); - - if (!(flags & V4L2_SEL_FLAG_KEEP_CONFIG)) { - for (i = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE; - i < ATOMISP_SUBDEV_PADS_NUM; i++) { - struct v4l2_rect tmp = *crop[pad]; - - atomisp_subdev_set_selection( - sd, cfg, which, i, V4L2_SEL_TGT_COMPOSE, - flags, &tmp); - } - } - - if (which == V4L2_SUBDEV_FORMAT_TRY) - break; - - if (isp_sd->params.video_dis_en && - isp_sd->run_mode->val == ATOMISP_RUN_MODE_VIDEO && - !isp_sd->continuous_mode->val) { - dvs_w = rounddown(crop[pad]->width / 5, - ATOM_ISP_STEP_WIDTH); - dvs_h = rounddown(crop[pad]->height / 5, - ATOM_ISP_STEP_HEIGHT); - } else if (!isp_sd->params.video_dis_en && - isp_sd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) { - /* - * For CSS2.0, digital zoom needs to set dvs envelope to 12 - * when dvs is disabled. - */ - dvs_w = dvs_h = 12; - } else - dvs_w = dvs_h = 0; - - atomisp_css_video_set_dis_envelope(isp_sd, dvs_w, dvs_h); - atomisp_css_input_set_effective_resolution(isp_sd, stream_id, - crop[pad]->width, crop[pad]->height); - - break; - } - case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE: - case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO: { - /* Only compose target is supported on source pads. */ - - if (isp_sd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) { - /* Scaling is disabled in this mode */ - r->width = crop[ATOMISP_SUBDEV_PAD_SINK]->width; - r->height = crop[ATOMISP_SUBDEV_PAD_SINK]->height; - } - - if (crop[ATOMISP_SUBDEV_PAD_SINK]->width == r->width - && crop[ATOMISP_SUBDEV_PAD_SINK]->height == r->height) - isp_sd->params.yuv_ds_en = false; - else - isp_sd->params.yuv_ds_en = true; - - comp[pad]->width = r->width; - comp[pad]->height = r->height; - - if (r->width == 0 || r->height == 0 || - crop[ATOMISP_SUBDEV_PAD_SINK]->width == 0 || - crop[ATOMISP_SUBDEV_PAD_SINK]->height == 0) - break; - /* - * do cropping on sensor input if ratio of required resolution - * is different with sensor output resolution ratio: - * - * ratio = width / height - * - * if ratio_output < ratio_sensor: - * effect_width = sensor_height * out_width / out_height; - * effect_height = sensor_height; - * else - * effect_width = sensor_width; - * effect_height = sensor_width * out_height / out_width; - * - */ - if (r->width * crop[ATOMISP_SUBDEV_PAD_SINK]->height < - crop[ATOMISP_SUBDEV_PAD_SINK]->width * r->height) - atomisp_css_input_set_effective_resolution(isp_sd, - stream_id, - rounddown(crop[ATOMISP_SUBDEV_PAD_SINK]-> - height * r->width / r->height, - ATOM_ISP_STEP_WIDTH), - crop[ATOMISP_SUBDEV_PAD_SINK]->height); - else - atomisp_css_input_set_effective_resolution(isp_sd, - stream_id, - crop[ATOMISP_SUBDEV_PAD_SINK]->width, - rounddown(crop[ATOMISP_SUBDEV_PAD_SINK]-> - width * r->height / r->width, - ATOM_ISP_STEP_WIDTH)); - - break; - } - case ATOMISP_SUBDEV_PAD_SOURCE_VF: - case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW: - comp[pad]->width = r->width; - comp[pad]->height = r->height; - break; - default: - return -EINVAL; - } - - /* Set format dimensions on non-sink pads as well. */ - if (pad != ATOMISP_SUBDEV_PAD_SINK) { - ffmt[pad]->width = comp[pad]->width; - ffmt[pad]->height = comp[pad]->height; - } - - if (!atomisp_subdev_get_rect(sd, cfg, which, pad, target)) - return -EINVAL; - *r = *atomisp_subdev_get_rect(sd, cfg, which, pad, target); - - dev_dbg(isp->dev, "sel actual: l %d t %d w %d h %d\n", - r->left, r->top, r->width, r->height); - - return 0; -} - -static int isp_subdev_set_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_selection *sel) -{ - int rval = isp_subdev_validate_rect(sd, sel->pad, sel->target); - if (rval) - return rval; - - return atomisp_subdev_set_selection(sd, cfg, sel->which, sel->pad, - sel->target, sel->flags, &sel->r); -} - -static int atomisp_get_sensor_bin_factor(struct atomisp_sub_device *asd) -{ - struct v4l2_control ctrl = {0}; - struct atomisp_device *isp = asd->isp; - int hbin, vbin; - int ret; - - if (isp->inputs[asd->input_curr].type == FILE_INPUT || - isp->inputs[asd->input_curr].type == TEST_PATTERN) - return 0; - - ctrl.id = V4L2_CID_BIN_FACTOR_HORZ; - ret = - v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->ctrl_handler, - &ctrl); - hbin = ctrl.value; - ctrl.id = V4L2_CID_BIN_FACTOR_VERT; - ret |= - v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->ctrl_handler, - &ctrl); - vbin = ctrl.value; - - /* - * ISP needs to know binning factor from sensor. - * In case horizontal and vertical sensor's binning factors - * are different or sensor does not support binning factor CID, - * ISP will apply default 0 value. - */ - if (ret || hbin != vbin) - hbin = 0; - - return hbin; -} - -void atomisp_subdev_set_ffmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, uint32_t which, - uint32_t pad, struct v4l2_mbus_framefmt *ffmt) -{ - struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); - struct atomisp_device *isp = isp_sd->isp; - struct v4l2_mbus_framefmt *__ffmt = - atomisp_subdev_get_ffmt(sd, cfg, which, pad); - uint16_t vdev_pad = atomisp_subdev_source_pad(sd->devnode); - enum atomisp_input_stream_id stream_id; - - dev_dbg(isp->dev, "ffmt: pad %s w %d h %d code 0x%8.8x which %s\n", - atomisp_pad_str[pad], ffmt->width, ffmt->height, ffmt->code, - which == V4L2_SUBDEV_FORMAT_TRY ? "V4L2_SUBDEV_FORMAT_TRY" - : "V4L2_SUBDEV_FORMAT_ACTIVE"); - - stream_id = atomisp_source_pad_to_stream_id(isp_sd, vdev_pad); - - switch (pad) { - case ATOMISP_SUBDEV_PAD_SINK: { - const struct atomisp_in_fmt_conv *fc = - atomisp_find_in_fmt_conv(ffmt->code); - - if (!fc) { - fc = atomisp_in_fmt_conv; - ffmt->code = fc->code; - dev_dbg(isp->dev, "using 0x%8.8x instead\n", - ffmt->code); - } - - *__ffmt = *ffmt; - - isp_subdev_propagate(sd, cfg, which, pad, - V4L2_SEL_TGT_CROP, 0); - - if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { - atomisp_css_input_set_resolution(isp_sd, - stream_id, ffmt); - atomisp_css_input_set_binning_factor(isp_sd, - stream_id, - atomisp_get_sensor_bin_factor(isp_sd)); - atomisp_css_input_set_bayer_order(isp_sd, stream_id, - fc->bayer_order); - atomisp_css_input_set_format(isp_sd, stream_id, - fc->css_stream_fmt); - atomisp_css_set_default_isys_config(isp_sd, stream_id, - ffmt); - } - - break; - } - case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE: - case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW: - case ATOMISP_SUBDEV_PAD_SOURCE_VF: - case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO: - __ffmt->code = ffmt->code; - break; - } -} - -/* - * isp_subdev_get_format - Retrieve the video format on a pad - * @sd : ISP V4L2 subdevice - * @fh : V4L2 subdev file handle - * @pad: Pad number - * @fmt: Format - * - * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond - * to the format type. - */ -static int isp_subdev_get_format(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *fmt) -{ - fmt->format = *atomisp_subdev_get_ffmt(sd, cfg, fmt->which, fmt->pad); - - return 0; -} - -/* - * isp_subdev_set_format - Set the video format on a pad - * @sd : ISP subdev V4L2 subdevice - * @fh : V4L2 subdev file handle - * @pad: Pad number - * @fmt: Format - * - * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond - * to the format type. - */ -static int isp_subdev_set_format(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *fmt) -{ - atomisp_subdev_set_ffmt(sd, cfg, fmt->which, fmt->pad, &fmt->format); - - return 0; -} - -/* V4L2 subdev core operations */ -static const struct v4l2_subdev_core_ops isp_subdev_v4l2_core_ops = { - .ioctl = isp_subdev_ioctl, .s_power = isp_subdev_set_power, - .subscribe_event = isp_subdev_subscribe_event, - .unsubscribe_event = isp_subdev_unsubscribe_event, -}; - -/* V4L2 subdev pad operations */ -static const struct v4l2_subdev_pad_ops isp_subdev_v4l2_pad_ops = { - .enum_mbus_code = isp_subdev_enum_mbus_code, - .get_fmt = isp_subdev_get_format, - .set_fmt = isp_subdev_set_format, - .get_selection = isp_subdev_get_selection, - .set_selection = isp_subdev_set_selection, - .link_validate = v4l2_subdev_link_validate_default, -}; - -/* V4L2 subdev operations */ -static const struct v4l2_subdev_ops isp_subdev_v4l2_ops = { - .core = &isp_subdev_v4l2_core_ops, - .pad = &isp_subdev_v4l2_pad_ops, -}; - -static void isp_subdev_init_params(struct atomisp_sub_device *asd) -{ - unsigned int i; - - /* parameters initialization */ - INIT_LIST_HEAD(&asd->s3a_stats); - INIT_LIST_HEAD(&asd->s3a_stats_in_css); - INIT_LIST_HEAD(&asd->s3a_stats_ready); - INIT_LIST_HEAD(&asd->dis_stats); - INIT_LIST_HEAD(&asd->dis_stats_in_css); - spin_lock_init(&asd->dis_stats_lock); - for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) { - INIT_LIST_HEAD(&asd->metadata[i]); - INIT_LIST_HEAD(&asd->metadata_in_css[i]); - INIT_LIST_HEAD(&asd->metadata_ready[i]); - } -} - -/* -* isp_subdev_link_setup - Setup isp subdev connections -* @entity: ispsubdev media entity -* @local: Pad at the local end of the link -* @remote: Pad at the remote end of the link -* @flags: Link flags -* -* return -EINVAL or zero on success -*/ -static int isp_subdev_link_setup(struct media_entity *entity, - const struct media_pad *local, - const struct media_pad *remote, u32 flags) -{ - struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); - struct atomisp_sub_device *isp_sd = v4l2_get_subdevdata(sd); - struct atomisp_device *isp = isp_sd->isp; - unsigned int i; - - switch (local->index | is_media_entity_v4l2_subdev(remote->entity)) { - case ATOMISP_SUBDEV_PAD_SINK | MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN: - /* Read from the sensor CSI2-ports. */ - if (!(flags & MEDIA_LNK_FL_ENABLED)) { - isp_sd->input = ATOMISP_SUBDEV_INPUT_NONE; - break; - } - - if (isp_sd->input != ATOMISP_SUBDEV_INPUT_NONE) - return -EBUSY; - - for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++) { - if (remote->entity != &isp->csi2_port[i].subdev.entity) - continue; - - isp_sd->input = ATOMISP_SUBDEV_INPUT_CSI2_PORT1 + i; - return 0; - } - - return -EINVAL; - - case ATOMISP_SUBDEV_PAD_SINK | MEDIA_ENT_F_OLD_BASE: - /* read from memory */ - if (flags & MEDIA_LNK_FL_ENABLED) { - if (isp_sd->input >= ATOMISP_SUBDEV_INPUT_CSI2_PORT1 && - isp_sd->input < (ATOMISP_SUBDEV_INPUT_CSI2_PORT1 - + ATOMISP_CAMERA_NR_PORTS)) - return -EBUSY; - isp_sd->input = ATOMISP_SUBDEV_INPUT_MEMORY; - } else { - if (isp_sd->input == ATOMISP_SUBDEV_INPUT_MEMORY) - isp_sd->input = ATOMISP_SUBDEV_INPUT_NONE; - } - break; - - case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW | MEDIA_ENT_F_OLD_BASE: - /* always write to memory */ - break; - - case ATOMISP_SUBDEV_PAD_SOURCE_VF | MEDIA_ENT_F_OLD_BASE: - /* always write to memory */ - break; - - case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE | MEDIA_ENT_F_OLD_BASE: - /* always write to memory */ - break; - - case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO | MEDIA_ENT_F_OLD_BASE: - /* always write to memory */ - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* media operations */ -static const struct media_entity_operations isp_subdev_media_ops = { - .link_setup = isp_subdev_link_setup, - .link_validate = v4l2_subdev_link_validate, -/* .set_power = v4l2_subdev_set_power, */ -}; - -static int __atomisp_update_run_mode(struct atomisp_sub_device *asd) -{ - struct atomisp_device *isp = asd->isp; - struct v4l2_ctrl *ctrl = asd->run_mode; - struct v4l2_ctrl *c; - s32 mode; - - if (ctrl->val != ATOMISP_RUN_MODE_VIDEO && - asd->continuous_mode->val) - mode = ATOMISP_RUN_MODE_PREVIEW; - else - mode = ctrl->val; - - c = v4l2_ctrl_find( - isp->inputs[asd->input_curr].camera->ctrl_handler, - V4L2_CID_RUN_MODE); - - if (c) - return v4l2_ctrl_s_ctrl(c, mode); - - return 0; -} - -int atomisp_update_run_mode(struct atomisp_sub_device *asd) -{ - int rval; - - mutex_lock(asd->ctrl_handler.lock); - rval = __atomisp_update_run_mode(asd); - mutex_unlock(asd->ctrl_handler.lock); - - return rval; -} - -static int s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct atomisp_sub_device *asd = container_of( - ctrl->handler, struct atomisp_sub_device, ctrl_handler); - - switch (ctrl->id) { - case V4L2_CID_RUN_MODE: - return __atomisp_update_run_mode(asd); - case V4L2_CID_DEPTH_MODE: - if (asd->streaming != ATOMISP_DEVICE_STREAMING_DISABLED) { - dev_err(asd->isp->dev, "ISP is streaming, it is not supported to change the depth mode\n"); - return -EINVAL; - } - break; - } - - return 0; -} - -static const struct v4l2_ctrl_ops ctrl_ops = { - .s_ctrl = &s_ctrl, -}; - -static const struct v4l2_ctrl_config ctrl_fmt_auto = { - .ops = &ctrl_ops, - .id = V4L2_CID_FMT_AUTO, - .name = "Automatic format guessing", - .type = V4L2_CTRL_TYPE_BOOLEAN, - .min = 0, - .max = 1, - .step = 1, - .def = 1, -}; - -static const char * const ctrl_run_mode_menu[] = { - NULL, - "Video", - "Still capture", - "Continuous capture", - "Preview", -}; - -static const struct v4l2_ctrl_config ctrl_run_mode = { - .ops = &ctrl_ops, - .id = V4L2_CID_RUN_MODE, - .name = "Atomisp run mode", - .type = V4L2_CTRL_TYPE_MENU, - .min = 1, - .def = 1, - .max = 4, - .qmenu = ctrl_run_mode_menu, -}; - -static const char * const ctrl_vfpp_mode_menu[] = { - "Enable", /* vfpp always enabled */ - "Disable to scaler mode", /* CSS into video mode and disable */ - "Disable to low latency mode", /* CSS into still mode and disable */ -}; - -static const struct v4l2_ctrl_config ctrl_vfpp = { - .id = V4L2_CID_VFPP, - .name = "Atomisp vf postprocess", - .type = V4L2_CTRL_TYPE_MENU, - .min = 0, - .def = 0, - .max = 2, - .qmenu = ctrl_vfpp_mode_menu, -}; - -/* - * Control for ISP continuous mode - * - * When enabled, capture processing is possible without - * stopping the preview pipeline. When disabled, ISP needs - * to be restarted between preview and capture. - */ -static const struct v4l2_ctrl_config ctrl_continuous_mode = { - .ops = &ctrl_ops, - .id = V4L2_CID_ATOMISP_CONTINUOUS_MODE, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Continuous mode", - .min = 0, - .max = 1, - .step = 1, - .def = 0, -}; - -/* - * Control for continuous mode raw buffer size - * - * The size of the RAW ringbuffer sets limit on how much - * back in time application can go when requesting capture - * frames to be rendered, and how many frames can be rendered - * in a burst at full sensor rate. - * - * Note: this setting has a big impact on memory consumption of - * the CSS subsystem. - */ -static const struct v4l2_ctrl_config ctrl_continuous_raw_buffer_size = { - .ops = &ctrl_ops, - .id = V4L2_CID_ATOMISP_CONTINUOUS_RAW_BUFFER_SIZE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Continuous raw ringbuffer size", - .min = 1, - .max = 100, /* depends on CSS version, runtime checked */ - .step = 1, - .def = 3, -}; - -/* - * Control for enabling continuous viewfinder - * - * When enabled, and ISP is in continuous mode (see ctrl_continuous_mode ), - * preview pipeline continues concurrently with capture - * processing. When disabled, and continuous mode is used, - * preview is paused while captures are processed, but - * full pipeline restart is not needed. - * - * By setting this to disabled, capture processing is - * essentially given priority over preview, and the effective - * capture output rate may be higher than with continuous - * viewfinder enabled. - */ -static const struct v4l2_ctrl_config ctrl_continuous_viewfinder = { - .id = V4L2_CID_ATOMISP_CONTINUOUS_VIEWFINDER, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Continuous viewfinder", - .min = 0, - .max = 1, - .step = 1, - .def = 0, -}; - -/* - * Control for enabling Lock&Unlock Raw Buffer mechanism - * - * When enabled, Raw Buffer can be locked and unlocked. - * Application can hold the exp_id of Raw Buffer - * and unlock it when no longer needed. - * Note: Make sure set this configuration before creating stream. - */ -static const struct v4l2_ctrl_config ctrl_enable_raw_buffer_lock = { - .id = V4L2_CID_ENABLE_RAW_BUFFER_LOCK, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Lock Unlock Raw Buffer", - .min = 0, - .max = 1, - .step = 1, - .def = 0, -}; - -/* - * Control to disable digital zoom of the whole stream - * - * When it is true, pipe configuation enable_dz will be set to false. - * This can help get a better performance by disabling pp binary. - * - * Note: Make sure set this configuration before creating stream. - */ -static const struct v4l2_ctrl_config ctrl_disable_dz = { - .id = V4L2_CID_DISABLE_DZ, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Disable digital zoom", - .min = 0, - .max = 1, - .step = 1, - .def = 0, -}; - -/* - * Control for ISP depth mode - * - * When enabled, that means ISP will deal with dual streams and sensors will be - * in slave/master mode. - * slave sensor will have no output until master sensor is streamed on. - */ -static const struct v4l2_ctrl_config ctrl_depth_mode = { - .ops = &ctrl_ops, - .id = V4L2_CID_DEPTH_MODE, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Depth mode", - .min = 0, - .max = 1, - .step = 1, - .def = 0, -}; - -#ifdef ISP2401 -/* - * Control for selectting ISP version - * - * When enabled, that means ISP version will be used ISP2.7. when disable, the - * isp will default to use ISP2.2. - * Note: Make sure set this configuration before creating stream. - */ -static const struct v4l2_ctrl_config ctrl_select_isp_version = { - .ops = &ctrl_ops, - .id = V4L2_CID_ATOMISP_SELECT_ISP_VERSION, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Select Isp version", - .min = 0, - .max = 1, - .step = 1, - .def = 0, -}; - -#ifdef CONFIG_ION -/* - * Control for ISP ion device fd - * - * userspace will open ion device and pass the fd to kernel. - * this fd will be used to map shared fd to buffer. - */ -static const struct v4l2_ctrl_config ctrl_ion_dev_fd = { - .ops = &ctrl_ops, - .id = V4L2_CID_ATOMISP_ION_DEVICE_FD, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Ion Device Fd", - .min = -1, - .max = 1024, - .step = 1, - .def = ION_FD_UNSET -}; -#endif - -#endif -static void atomisp_init_subdev_pipe(struct atomisp_sub_device *asd, - struct atomisp_video_pipe *pipe, enum v4l2_buf_type buf_type) -{ - pipe->type = buf_type; - pipe->asd = asd; - pipe->isp = asd->isp; - spin_lock_init(&pipe->irq_lock); - INIT_LIST_HEAD(&pipe->activeq); - INIT_LIST_HEAD(&pipe->activeq_out); - INIT_LIST_HEAD(&pipe->buffers_waiting_for_param); - INIT_LIST_HEAD(&pipe->per_frame_params); - memset(pipe->frame_request_config_id, - 0, VIDEO_MAX_FRAME * sizeof(unsigned int)); - memset(pipe->frame_params, - 0, VIDEO_MAX_FRAME * - sizeof(struct atomisp_css_params_with_list *)); -} - -static void atomisp_init_acc_pipe(struct atomisp_sub_device *asd, - struct atomisp_acc_pipe *pipe) -{ - pipe->asd = asd; - pipe->isp = asd->isp; - INIT_LIST_HEAD(&asd->acc.fw); - INIT_LIST_HEAD(&asd->acc.memory_maps); - ida_init(&asd->acc.ida); -} - -/* - * isp_subdev_init_entities - Initialize V4L2 subdev and media entity - * @asd: ISP CCDC module - * - * Return 0 on success and a negative error code on failure. - */ -static int isp_subdev_init_entities(struct atomisp_sub_device *asd) -{ - struct v4l2_subdev *sd = &asd->subdev; - struct media_pad *pads = asd->pads; - struct media_entity *me = &sd->entity; - int ret; - - asd->input = ATOMISP_SUBDEV_INPUT_NONE; - - v4l2_subdev_init(sd, &isp_subdev_v4l2_ops); - sprintf(sd->name, "ATOMISP_SUBDEV_%d", asd->index); - v4l2_set_subdevdata(sd, asd); - sd->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE; - - pads[ATOMISP_SUBDEV_PAD_SINK].flags = MEDIA_PAD_FL_SINK; - pads[ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW].flags = MEDIA_PAD_FL_SOURCE; - pads[ATOMISP_SUBDEV_PAD_SOURCE_VF].flags = MEDIA_PAD_FL_SOURCE; - pads[ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE].flags = MEDIA_PAD_FL_SOURCE; - pads[ATOMISP_SUBDEV_PAD_SOURCE_VIDEO].flags = MEDIA_PAD_FL_SOURCE; - - asd->fmt[ATOMISP_SUBDEV_PAD_SINK].fmt.code = - MEDIA_BUS_FMT_SBGGR10_1X10; - asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW].fmt.code = - MEDIA_BUS_FMT_SBGGR10_1X10; - asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_VF].fmt.code = - MEDIA_BUS_FMT_SBGGR10_1X10; - asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE].fmt.code = - MEDIA_BUS_FMT_SBGGR10_1X10; - asd->fmt[ATOMISP_SUBDEV_PAD_SOURCE_VIDEO].fmt.code = - MEDIA_BUS_FMT_SBGGR10_1X10; - - me->ops = &isp_subdev_media_ops; - me->function = MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN; - ret = media_entity_pads_init(me, ATOMISP_SUBDEV_PADS_NUM, pads); - if (ret < 0) - return ret; - - atomisp_init_subdev_pipe(asd, &asd->video_in, - V4L2_BUF_TYPE_VIDEO_OUTPUT); - - atomisp_init_subdev_pipe(asd, &asd->video_out_preview, - V4L2_BUF_TYPE_VIDEO_CAPTURE); - - atomisp_init_subdev_pipe(asd, &asd->video_out_vf, - V4L2_BUF_TYPE_VIDEO_CAPTURE); - - atomisp_init_subdev_pipe(asd, &asd->video_out_capture, - V4L2_BUF_TYPE_VIDEO_CAPTURE); - - atomisp_init_subdev_pipe(asd, &asd->video_out_video_capture, - V4L2_BUF_TYPE_VIDEO_CAPTURE); - - atomisp_init_acc_pipe(asd, &asd->video_acc); - - ret = atomisp_video_init(&asd->video_in, "MEMORY"); - if (ret < 0) - return ret; - - ret = atomisp_video_init(&asd->video_out_capture, "CAPTURE"); - if (ret < 0) - return ret; - - ret = atomisp_video_init(&asd->video_out_vf, "VIEWFINDER"); - if (ret < 0) - return ret; - - ret = atomisp_video_init(&asd->video_out_preview, "PREVIEW"); - if (ret < 0) - return ret; - - ret = atomisp_video_init(&asd->video_out_video_capture, "VIDEO"); - if (ret < 0) - return ret; - - atomisp_acc_init(&asd->video_acc, "ACC"); - - ret = v4l2_ctrl_handler_init(&asd->ctrl_handler, 1); - if (ret) - return ret; - - asd->fmt_auto = v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_fmt_auto, NULL); - asd->run_mode = v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_run_mode, NULL); - asd->vfpp = v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_vfpp, NULL); - asd->continuous_mode = v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_continuous_mode, NULL); - asd->continuous_viewfinder = v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_continuous_viewfinder, - NULL); - asd->continuous_raw_buffer_size = - v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_continuous_raw_buffer_size, - NULL); - - asd->enable_raw_buffer_lock = - v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_enable_raw_buffer_lock, - NULL); - asd->depth_mode = - v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_depth_mode, - NULL); - asd->disable_dz = - v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_disable_dz, - NULL); -#ifdef ISP2401 - asd->select_isp_version = - v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_select_isp_version, - NULL); - -#ifdef CONFIG_ION - asd->ion_dev_fd = - v4l2_ctrl_new_custom(&asd->ctrl_handler, - &ctrl_ion_dev_fd, - NULL); -#endif -#endif - - /* Make controls visible on subdev as well. */ - asd->subdev.ctrl_handler = &asd->ctrl_handler; - spin_lock_init(&asd->raw_buffer_bitmap_lock); - return asd->ctrl_handler.error; -} - -int atomisp_create_pads_links(struct atomisp_device *isp) -{ - struct atomisp_sub_device *asd; - int i, j, ret = 0; - isp->num_of_streams = 2; - for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++) { - for (j = 0; j < isp->num_of_streams; j++) { - ret = - media_create_pad_link(&isp->csi2_port[i].subdev. - entity, CSI2_PAD_SOURCE, - &isp->asd[j].subdev.entity, - ATOMISP_SUBDEV_PAD_SINK, 0); - if (ret < 0) - return ret; - } - } - for (i = 0; i < isp->input_cnt - 2; i++) { - ret = media_create_pad_link(&isp->inputs[i].camera->entity, 0, - &isp->csi2_port[isp->inputs[i]. - port].subdev.entity, - CSI2_PAD_SINK, - MEDIA_LNK_FL_ENABLED | - MEDIA_LNK_FL_IMMUTABLE); - if (ret < 0) - return ret; - } - for (i = 0; i < isp->num_of_streams; i++) { - asd = &isp->asd[i]; - ret = media_create_pad_link(&asd->subdev.entity, - ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW, - &asd->video_out_preview.vdev.entity, - 0, 0); - if (ret < 0) - return ret; - ret = media_create_pad_link(&asd->subdev.entity, - ATOMISP_SUBDEV_PAD_SOURCE_VF, - &asd->video_out_vf.vdev.entity, 0, - 0); - if (ret < 0) - return ret; - ret = media_create_pad_link(&asd->subdev.entity, - ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE, - &asd->video_out_capture.vdev.entity, - 0, 0); - if (ret < 0) - return ret; - ret = media_create_pad_link(&asd->subdev.entity, - ATOMISP_SUBDEV_PAD_SOURCE_VIDEO, - &asd->video_out_video_capture.vdev. - entity, 0, 0); - if (ret < 0) - return ret; - /* - * file input only supported on subdev0 - * so do not create pad link for subdevs other then subdev0 - */ - if (asd->index) - return 0; - ret = media_create_pad_link(&asd->video_in.vdev.entity, - 0, &asd->subdev.entity, - ATOMISP_SUBDEV_PAD_SINK, 0); - if (ret < 0) - return ret; - } - return 0; -} - -static void atomisp_subdev_cleanup_entities(struct atomisp_sub_device *asd) -{ - v4l2_ctrl_handler_free(&asd->ctrl_handler); - - media_entity_cleanup(&asd->subdev.entity); -} - -void atomisp_subdev_cleanup_pending_events(struct atomisp_sub_device *asd) -{ - struct v4l2_fh *fh, *fh_tmp; - struct v4l2_event event; - unsigned int i, pending_event; - - list_for_each_entry_safe(fh, fh_tmp, - &asd->subdev.devnode->fh_list, list) { - pending_event = v4l2_event_pending(fh); - for (i = 0; i < pending_event; i++) - v4l2_event_dequeue(fh, &event, 1); - } -} - -void atomisp_subdev_unregister_entities(struct atomisp_sub_device *asd) -{ - atomisp_subdev_cleanup_entities(asd); - v4l2_device_unregister_subdev(&asd->subdev); - atomisp_video_unregister(&asd->video_in); - atomisp_video_unregister(&asd->video_out_preview); - atomisp_video_unregister(&asd->video_out_vf); - atomisp_video_unregister(&asd->video_out_capture); - atomisp_video_unregister(&asd->video_out_video_capture); - atomisp_acc_unregister(&asd->video_acc); -} - -int atomisp_subdev_register_entities(struct atomisp_sub_device *asd, - struct v4l2_device *vdev) -{ - int ret; - - /* Register the subdev and video node. */ - ret = v4l2_device_register_subdev(vdev, &asd->subdev); - if (ret < 0) - goto error; - - ret = atomisp_video_register(&asd->video_out_capture, vdev); - if (ret < 0) - goto error; - - ret = atomisp_video_register(&asd->video_out_vf, vdev); - if (ret < 0) - goto error; - - ret = atomisp_video_register(&asd->video_out_preview, vdev); - if (ret < 0) - goto error; - - ret = atomisp_video_register(&asd->video_out_video_capture, vdev); - if (ret < 0) - goto error; - - ret = atomisp_acc_register(&asd->video_acc, vdev); - if (ret < 0) - goto error; - - /* - * file input only supported on subdev0 - * so do not create video node for subdevs other then subdev0 - */ - if (asd->index) - return 0; - ret = atomisp_video_register(&asd->video_in, vdev); - if (ret < 0) - goto error; - - return 0; - -error: - atomisp_subdev_unregister_entities(asd); - return ret; -} - -/* - * atomisp_subdev_init - ISP Subdevice initialization. - * @dev: Device pointer specific to the ATOM ISP. - * - * TODO: Get the initialisation values from platform data. - * - * Return 0 on success or a negative error code otherwise. - */ -int atomisp_subdev_init(struct atomisp_device *isp) -{ - struct atomisp_sub_device *asd; - int i, ret = 0; - - /* - * CSS2.0 running ISP2400 support - * multiple streams - */ - isp->num_of_streams = 2; - isp->asd = devm_kzalloc(isp->dev, sizeof(struct atomisp_sub_device) * - isp->num_of_streams, GFP_KERNEL); - if (!isp->asd) - return -ENOMEM; - for (i = 0; i < isp->num_of_streams; i++) { - asd = &isp->asd[i]; - spin_lock_init(&asd->lock); - asd->isp = isp; - isp_subdev_init_params(asd); - asd->index = i; - ret = isp_subdev_init_entities(asd); - if (ret < 0) { - atomisp_subdev_cleanup_entities(asd); - break; - } - } - - return ret; -} |