Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Lad Prabhakar | 1165 | 96.92% | 1 | 14.29% |
Laurent Pinchart | 13 | 1.08% | 1 | 14.29% |
Biju Das | 11 | 0.92% | 2 | 28.57% |
Javier Martin | 6 | 0.50% | 1 | 14.29% |
Steve Longerbeam | 4 | 0.33% | 1 | 14.29% |
Sakari Ailus | 3 | 0.25% | 1 | 14.29% |
Total | 1202 | 7 |
// SPDX-License-Identifier: GPL-2.0 /* * Driver for Renesas RZ/G2L CRU * * Copyright (C) 2022 Renesas Electronics Corp. */ #include <linux/delay.h> #include "rzg2l-cru.h" struct rzg2l_cru_ip_format { u32 code; unsigned int datatype; unsigned int bpp; }; static const struct rzg2l_cru_ip_format rzg2l_cru_ip_formats[] = { { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = 0x1e, .bpp = 16 }, }; enum rzg2l_csi2_pads { RZG2L_CRU_IP_SINK = 0, RZG2L_CRU_IP_SOURCE, }; static const struct rzg2l_cru_ip_format *rzg2l_cru_ip_code_to_fmt(unsigned int code) { unsigned int i; for (i = 0; i < ARRAY_SIZE(rzg2l_cru_ip_formats); i++) if (rzg2l_cru_ip_formats[i].code == code) return &rzg2l_cru_ip_formats[i]; return NULL; } struct v4l2_mbus_framefmt *rzg2l_cru_ip_get_src_fmt(struct rzg2l_cru_dev *cru) { struct v4l2_subdev_state *state; struct v4l2_mbus_framefmt *fmt; state = v4l2_subdev_lock_and_get_active_state(&cru->ip.subdev); fmt = v4l2_subdev_state_get_format(state, 1); v4l2_subdev_unlock_state(state); return fmt; } static int rzg2l_cru_ip_s_stream(struct v4l2_subdev *sd, int enable) { struct rzg2l_cru_dev *cru; int s_stream_ret = 0; int ret; cru = v4l2_get_subdevdata(sd); if (!enable) { ret = v4l2_subdev_call(cru->ip.remote, video, s_stream, enable); if (ret) s_stream_ret = ret; ret = v4l2_subdev_call(cru->ip.remote, video, post_streamoff); if (ret == -ENOIOCTLCMD) ret = 0; if (ret && !s_stream_ret) s_stream_ret = ret; rzg2l_cru_stop_image_processing(cru); } else { ret = v4l2_subdev_call(cru->ip.remote, video, pre_streamon, 0); if (ret == -ENOIOCTLCMD) ret = 0; if (ret) return ret; fsleep(1000); ret = rzg2l_cru_start_image_processing(cru); if (ret) { v4l2_subdev_call(cru->ip.remote, video, post_streamoff); return ret; } ret = v4l2_subdev_call(cru->ip.remote, video, s_stream, enable); if (!ret || ret == -ENOIOCTLCMD) return 0; s_stream_ret = ret; v4l2_subdev_call(cru->ip.remote, video, post_streamoff); rzg2l_cru_stop_image_processing(cru); } return s_stream_ret; } static int rzg2l_cru_ip_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_format *fmt) { struct v4l2_mbus_framefmt *src_format; struct v4l2_mbus_framefmt *sink_format; src_format = v4l2_subdev_state_get_format(state, RZG2L_CRU_IP_SOURCE); if (fmt->pad == RZG2L_CRU_IP_SOURCE) { fmt->format = *src_format; return 0; } sink_format = v4l2_subdev_state_get_format(state, fmt->pad); if (!rzg2l_cru_ip_code_to_fmt(fmt->format.code)) sink_format->code = rzg2l_cru_ip_formats[0].code; else sink_format->code = fmt->format.code; sink_format->field = V4L2_FIELD_NONE; sink_format->colorspace = fmt->format.colorspace; sink_format->xfer_func = fmt->format.xfer_func; sink_format->ycbcr_enc = fmt->format.ycbcr_enc; sink_format->quantization = fmt->format.quantization; sink_format->width = clamp_t(u32, fmt->format.width, RZG2L_CRU_MIN_INPUT_WIDTH, RZG2L_CRU_MAX_INPUT_WIDTH); sink_format->height = clamp_t(u32, fmt->format.height, RZG2L_CRU_MIN_INPUT_HEIGHT, RZG2L_CRU_MAX_INPUT_HEIGHT); fmt->format = *sink_format; /* propagate format to source pad */ *src_format = *sink_format; return 0; } static int rzg2l_cru_ip_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_mbus_code_enum *code) { if (code->index >= ARRAY_SIZE(rzg2l_cru_ip_formats)) return -EINVAL; code->code = rzg2l_cru_ip_formats[code->index].code; return 0; } static int rzg2l_cru_ip_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_frame_size_enum *fse) { if (fse->index != 0) return -EINVAL; if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16) return -EINVAL; fse->min_width = RZG2L_CRU_MIN_INPUT_WIDTH; fse->min_height = RZG2L_CRU_MIN_INPUT_HEIGHT; fse->max_width = RZG2L_CRU_MAX_INPUT_WIDTH; fse->max_height = RZG2L_CRU_MAX_INPUT_HEIGHT; return 0; } static int rzg2l_cru_ip_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state) { struct v4l2_subdev_format fmt = { .pad = RZG2L_CRU_IP_SINK, }; fmt.format.width = RZG2L_CRU_MIN_INPUT_WIDTH; fmt.format.height = RZG2L_CRU_MIN_INPUT_HEIGHT; fmt.format.field = V4L2_FIELD_NONE; fmt.format.code = MEDIA_BUS_FMT_UYVY8_1X16; fmt.format.colorspace = V4L2_COLORSPACE_SRGB; fmt.format.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; fmt.format.quantization = V4L2_QUANTIZATION_DEFAULT; fmt.format.xfer_func = V4L2_XFER_FUNC_DEFAULT; return rzg2l_cru_ip_set_format(sd, sd_state, &fmt); } static const struct v4l2_subdev_video_ops rzg2l_cru_ip_video_ops = { .s_stream = rzg2l_cru_ip_s_stream, }; static const struct v4l2_subdev_pad_ops rzg2l_cru_ip_pad_ops = { .enum_mbus_code = rzg2l_cru_ip_enum_mbus_code, .enum_frame_size = rzg2l_cru_ip_enum_frame_size, .get_fmt = v4l2_subdev_get_fmt, .set_fmt = rzg2l_cru_ip_set_format, }; static const struct v4l2_subdev_ops rzg2l_cru_ip_subdev_ops = { .video = &rzg2l_cru_ip_video_ops, .pad = &rzg2l_cru_ip_pad_ops, }; static const struct v4l2_subdev_internal_ops rzg2l_cru_ip_internal_ops = { .init_state = rzg2l_cru_ip_init_state, }; static const struct media_entity_operations rzg2l_cru_ip_entity_ops = { .link_validate = v4l2_subdev_link_validate, }; int rzg2l_cru_ip_subdev_register(struct rzg2l_cru_dev *cru) { struct rzg2l_cru_ip *ip = &cru->ip; int ret; ip->subdev.dev = cru->dev; v4l2_subdev_init(&ip->subdev, &rzg2l_cru_ip_subdev_ops); ip->subdev.internal_ops = &rzg2l_cru_ip_internal_ops; v4l2_set_subdevdata(&ip->subdev, cru); snprintf(ip->subdev.name, sizeof(ip->subdev.name), "cru-ip-%s", dev_name(cru->dev)); ip->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE; ip->subdev.entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER; ip->subdev.entity.ops = &rzg2l_cru_ip_entity_ops; ip->pads[0].flags = MEDIA_PAD_FL_SINK; ip->pads[1].flags = MEDIA_PAD_FL_SOURCE; ret = media_entity_pads_init(&ip->subdev.entity, 2, ip->pads); if (ret) return ret; ret = v4l2_subdev_init_finalize(&ip->subdev); if (ret < 0) goto entity_cleanup; ret = v4l2_device_register_subdev(&cru->v4l2_dev, &ip->subdev); if (ret < 0) goto error_subdev; return 0; error_subdev: v4l2_subdev_cleanup(&ip->subdev); entity_cleanup: media_entity_cleanup(&ip->subdev.entity); return ret; } void rzg2l_cru_ip_subdev_unregister(struct rzg2l_cru_dev *cru) { struct rzg2l_cru_ip *ip = &cru->ip; media_entity_cleanup(&ip->subdev.entity); v4l2_subdev_cleanup(&ip->subdev); v4l2_device_unregister_subdev(&ip->subdev); }
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