Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Helen Mae Koike Fornazier | 908 | 41.84% | 10 | 24.39% |
Hans Verkuil | 404 | 18.62% | 3 | 7.32% |
Kaaira Gupta | 361 | 16.64% | 1 | 2.44% |
Daniel Oakley | 150 | 6.91% | 1 | 2.44% |
Laurent Pinchart | 134 | 6.18% | 6 | 14.63% |
Guilherme Gallo | 79 | 3.64% | 1 | 2.44% |
Dafna Hirschfeld | 75 | 3.46% | 8 | 19.51% |
Shuah Khan | 17 | 0.78% | 1 | 2.44% |
Lucas A. M. Magalhães | 15 | 0.69% | 1 | 2.44% |
Tomi Valkeinen | 10 | 0.46% | 1 | 2.44% |
Nícolas F. R. A. Prado | 5 | 0.23% | 1 | 2.44% |
Steve Longerbeam | 4 | 0.18% | 1 | 2.44% |
Thomas Gleixner | 2 | 0.09% | 1 | 2.44% |
Julia Lawall | 2 | 0.09% | 2 | 4.88% |
Sakari Ailus | 2 | 0.09% | 1 | 2.44% |
Niklas Söderlund | 1 | 0.05% | 1 | 2.44% |
Mauro Carvalho Chehab | 1 | 0.05% | 1 | 2.44% |
Total | 2170 | 41 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * vimc-sensor.c Virtual Media Controller Driver * * Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com> */ #include <linux/v4l2-mediabus.h> #include <linux/vmalloc.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-event.h> #include <media/v4l2-subdev.h> #include <media/tpg/v4l2-tpg.h> #include "vimc-common.h" enum vimc_sensor_osd_mode { VIMC_SENSOR_OSD_SHOW_ALL = 0, VIMC_SENSOR_OSD_SHOW_COUNTERS = 1, VIMC_SENSOR_OSD_SHOW_NONE = 2 }; struct vimc_sensor_device { struct vimc_ent_device ved; struct v4l2_subdev sd; struct tpg_data tpg; struct v4l2_ctrl_handler hdl; struct media_pad pad; u8 *frame; /* * Virtual "hardware" configuration, filled when the stream starts or * when controls are set. */ struct { struct v4l2_area size; enum vimc_sensor_osd_mode osd_value; u64 start_stream_ts; } hw; }; static const struct v4l2_mbus_framefmt fmt_default = { .width = 640, .height = 480, .code = MEDIA_BUS_FMT_RGB888_1X24, .field = V4L2_FIELD_NONE, .colorspace = V4L2_COLORSPACE_SRGB, }; static int vimc_sensor_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state) { struct v4l2_mbus_framefmt *mf; mf = v4l2_subdev_state_get_format(sd_state, 0); *mf = fmt_default; return 0; } static int vimc_sensor_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { u32 mbus_code = vimc_mbus_code_by_index(code->index); if (!mbus_code) return -EINVAL; code->code = mbus_code; return 0; } static int vimc_sensor_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { const struct vimc_pix_map *vpix; if (fse->index) return -EINVAL; /* Only accept code in the pix map table */ vpix = vimc_pix_map_by_code(fse->code); if (!vpix) return -EINVAL; fse->min_width = VIMC_FRAME_MIN_WIDTH; fse->max_width = VIMC_FRAME_MAX_WIDTH; fse->min_height = VIMC_FRAME_MIN_HEIGHT; fse->max_height = VIMC_FRAME_MAX_HEIGHT; return 0; } static void vimc_sensor_tpg_s_format(struct vimc_sensor_device *vsensor, const struct v4l2_mbus_framefmt *format) { const struct vimc_pix_map *vpix = vimc_pix_map_by_code(format->code); tpg_reset_source(&vsensor->tpg, format->width, format->height, format->field); tpg_s_bytesperline(&vsensor->tpg, 0, format->width * vpix->bpp); tpg_s_buf_height(&vsensor->tpg, format->height); tpg_s_fourcc(&vsensor->tpg, vpix->pixelformat); /* TODO: add support for V4L2_FIELD_ALTERNATE */ tpg_s_field(&vsensor->tpg, format->field, false); tpg_s_colorspace(&vsensor->tpg, format->colorspace); tpg_s_ycbcr_enc(&vsensor->tpg, format->ycbcr_enc); tpg_s_quantization(&vsensor->tpg, format->quantization); tpg_s_xfer_func(&vsensor->tpg, format->xfer_func); } static void vimc_sensor_adjust_fmt(struct v4l2_mbus_framefmt *fmt) { const struct vimc_pix_map *vpix; /* Only accept code in the pix map table */ vpix = vimc_pix_map_by_code(fmt->code); if (!vpix) fmt->code = fmt_default.code; fmt->width = clamp_t(u32, fmt->width, VIMC_FRAME_MIN_WIDTH, VIMC_FRAME_MAX_WIDTH) & ~1; fmt->height = clamp_t(u32, fmt->height, VIMC_FRAME_MIN_HEIGHT, VIMC_FRAME_MAX_HEIGHT) & ~1; /* TODO: add support for V4L2_FIELD_ALTERNATE */ if (fmt->field == V4L2_FIELD_ANY || fmt->field == V4L2_FIELD_ALTERNATE) fmt->field = fmt_default.field; vimc_colorimetry_clamp(fmt); } static int vimc_sensor_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { struct vimc_sensor_device *vsensor = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *mf; /* Do not change the format while stream is on */ if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE && vsensor->frame) return -EBUSY; mf = v4l2_subdev_state_get_format(sd_state, fmt->pad); /* Set the new format */ vimc_sensor_adjust_fmt(&fmt->format); dev_dbg(vsensor->ved.dev, "%s: format update: " "old:%dx%d (0x%x, %d, %d, %d, %d) " "new:%dx%d (0x%x, %d, %d, %d, %d)\n", vsensor->sd.name, /* old */ mf->width, mf->height, mf->code, mf->colorspace, mf->quantization, mf->xfer_func, mf->ycbcr_enc, /* new */ fmt->format.width, fmt->format.height, fmt->format.code, fmt->format.colorspace, fmt->format.quantization, fmt->format.xfer_func, fmt->format.ycbcr_enc); *mf = fmt->format; return 0; } static const struct v4l2_subdev_pad_ops vimc_sensor_pad_ops = { .enum_mbus_code = vimc_sensor_enum_mbus_code, .enum_frame_size = vimc_sensor_enum_frame_size, .get_fmt = v4l2_subdev_get_fmt, .set_fmt = vimc_sensor_set_fmt, }; static void *vimc_sensor_process_frame(struct vimc_ent_device *ved, const void *sink_frame) { struct vimc_sensor_device *vsensor = container_of(ved, struct vimc_sensor_device, ved); const unsigned int line_height = 16; u8 *basep[TPG_MAX_PLANES][2]; unsigned int line = 1; char str[100]; tpg_fill_plane_buffer(&vsensor->tpg, 0, 0, vsensor->frame); tpg_calc_text_basep(&vsensor->tpg, basep, 0, vsensor->frame); switch (vsensor->hw.osd_value) { case VIMC_SENSOR_OSD_SHOW_ALL: { const char *order = tpg_g_color_order(&vsensor->tpg); tpg_gen_text(&vsensor->tpg, basep, line++ * line_height, 16, order); snprintf(str, sizeof(str), "brightness %3d, contrast %3d, saturation %3d, hue %d ", vsensor->tpg.brightness, vsensor->tpg.contrast, vsensor->tpg.saturation, vsensor->tpg.hue); tpg_gen_text(&vsensor->tpg, basep, line++ * line_height, 16, str); snprintf(str, sizeof(str), "sensor size: %dx%d", vsensor->hw.size.width, vsensor->hw.size.height); tpg_gen_text(&vsensor->tpg, basep, line++ * line_height, 16, str); fallthrough; } case VIMC_SENSOR_OSD_SHOW_COUNTERS: { unsigned int ms; ms = div_u64(ktime_get_ns() - vsensor->hw.start_stream_ts, 1000000); snprintf(str, sizeof(str), "%02d:%02d:%02d:%03d", (ms / (60 * 60 * 1000)) % 24, (ms / (60 * 1000)) % 60, (ms / 1000) % 60, ms % 1000); tpg_gen_text(&vsensor->tpg, basep, line++ * line_height, 16, str); break; } case VIMC_SENSOR_OSD_SHOW_NONE: default: break; } return vsensor->frame; } static int vimc_sensor_s_stream(struct v4l2_subdev *sd, int enable) { struct vimc_sensor_device *vsensor = container_of(sd, struct vimc_sensor_device, sd); if (enable) { const struct v4l2_mbus_framefmt *format; struct v4l2_subdev_state *state; const struct vimc_pix_map *vpix; unsigned int frame_size; state = v4l2_subdev_lock_and_get_active_state(sd); format = v4l2_subdev_state_get_format(state, 0); /* Configure the test pattern generator. */ vimc_sensor_tpg_s_format(vsensor, format); /* Calculate the frame size. */ vpix = vimc_pix_map_by_code(format->code); frame_size = format->width * vpix->bpp * format->height; vsensor->hw.size.width = format->width; vsensor->hw.size.height = format->height; v4l2_subdev_unlock_state(state); /* * Allocate the frame buffer. Use vmalloc to be able to * allocate a large amount of memory */ vsensor->frame = vmalloc(frame_size); if (!vsensor->frame) return -ENOMEM; vsensor->hw.start_stream_ts = ktime_get_ns(); } else { vfree(vsensor->frame); vsensor->frame = NULL; } return 0; } static const struct v4l2_subdev_core_ops vimc_sensor_core_ops = { .log_status = v4l2_ctrl_subdev_log_status, .subscribe_event = v4l2_ctrl_subdev_subscribe_event, .unsubscribe_event = v4l2_event_subdev_unsubscribe, }; static const struct v4l2_subdev_video_ops vimc_sensor_video_ops = { .s_stream = vimc_sensor_s_stream, }; static const struct v4l2_subdev_ops vimc_sensor_ops = { .core = &vimc_sensor_core_ops, .pad = &vimc_sensor_pad_ops, .video = &vimc_sensor_video_ops, }; static const struct v4l2_subdev_internal_ops vimc_sensor_internal_ops = { .init_state = vimc_sensor_init_state, }; static int vimc_sensor_s_ctrl(struct v4l2_ctrl *ctrl) { struct vimc_sensor_device *vsensor = container_of(ctrl->handler, struct vimc_sensor_device, hdl); switch (ctrl->id) { case VIMC_CID_TEST_PATTERN: tpg_s_pattern(&vsensor->tpg, ctrl->val); break; case V4L2_CID_HFLIP: tpg_s_hflip(&vsensor->tpg, ctrl->val); break; case V4L2_CID_VFLIP: tpg_s_vflip(&vsensor->tpg, ctrl->val); break; case V4L2_CID_BRIGHTNESS: tpg_s_brightness(&vsensor->tpg, ctrl->val); break; case V4L2_CID_CONTRAST: tpg_s_contrast(&vsensor->tpg, ctrl->val); break; case V4L2_CID_HUE: tpg_s_hue(&vsensor->tpg, ctrl->val); break; case V4L2_CID_SATURATION: tpg_s_saturation(&vsensor->tpg, ctrl->val); break; case VIMC_CID_OSD_TEXT_MODE: vsensor->hw.osd_value = ctrl->val; break; default: return -EINVAL; } return 0; } static const struct v4l2_ctrl_ops vimc_sensor_ctrl_ops = { .s_ctrl = vimc_sensor_s_ctrl, }; static void vimc_sensor_release(struct vimc_ent_device *ved) { struct vimc_sensor_device *vsensor = container_of(ved, struct vimc_sensor_device, ved); v4l2_ctrl_handler_free(&vsensor->hdl); tpg_free(&vsensor->tpg); v4l2_subdev_cleanup(&vsensor->sd); media_entity_cleanup(vsensor->ved.ent); kfree(vsensor); } /* Image Processing Controls */ static const struct v4l2_ctrl_config vimc_sensor_ctrl_class = { .flags = V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY, .id = VIMC_CID_VIMC_CLASS, .name = "VIMC Controls", .type = V4L2_CTRL_TYPE_CTRL_CLASS, }; static const struct v4l2_ctrl_config vimc_sensor_ctrl_test_pattern = { .ops = &vimc_sensor_ctrl_ops, .id = VIMC_CID_TEST_PATTERN, .name = "Test Pattern", .type = V4L2_CTRL_TYPE_MENU, .max = TPG_PAT_NOISE, .qmenu = tpg_pattern_strings, }; static const char * const vimc_ctrl_osd_mode_strings[] = { "All", "Counters Only", "None", NULL, }; static const struct v4l2_ctrl_config vimc_sensor_ctrl_osd_mode = { .ops = &vimc_sensor_ctrl_ops, .id = VIMC_CID_OSD_TEXT_MODE, .name = "Show Information", .type = V4L2_CTRL_TYPE_MENU, .max = ARRAY_SIZE(vimc_ctrl_osd_mode_strings) - 2, .qmenu = vimc_ctrl_osd_mode_strings, }; static struct vimc_ent_device *vimc_sensor_add(struct vimc_device *vimc, const char *vcfg_name) { struct v4l2_device *v4l2_dev = &vimc->v4l2_dev; struct vimc_sensor_device *vsensor; int ret; /* Allocate the vsensor struct */ vsensor = kzalloc(sizeof(*vsensor), GFP_KERNEL); if (!vsensor) return ERR_PTR(-ENOMEM); v4l2_ctrl_handler_init(&vsensor->hdl, 4); v4l2_ctrl_new_custom(&vsensor->hdl, &vimc_sensor_ctrl_class, NULL); v4l2_ctrl_new_custom(&vsensor->hdl, &vimc_sensor_ctrl_test_pattern, NULL); v4l2_ctrl_new_custom(&vsensor->hdl, &vimc_sensor_ctrl_osd_mode, NULL); v4l2_ctrl_new_std(&vsensor->hdl, &vimc_sensor_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(&vsensor->hdl, &vimc_sensor_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(&vsensor->hdl, &vimc_sensor_ctrl_ops, V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); v4l2_ctrl_new_std(&vsensor->hdl, &vimc_sensor_ctrl_ops, V4L2_CID_CONTRAST, 0, 255, 1, 128); v4l2_ctrl_new_std(&vsensor->hdl, &vimc_sensor_ctrl_ops, V4L2_CID_HUE, -128, 127, 1, 0); v4l2_ctrl_new_std(&vsensor->hdl, &vimc_sensor_ctrl_ops, V4L2_CID_SATURATION, 0, 255, 1, 128); vsensor->sd.ctrl_handler = &vsensor->hdl; if (vsensor->hdl.error) { ret = vsensor->hdl.error; goto err_free_vsensor; } /* Initialize the test pattern generator */ tpg_init(&vsensor->tpg, fmt_default.width, fmt_default.height); ret = tpg_alloc(&vsensor->tpg, VIMC_FRAME_MAX_WIDTH); if (ret) goto err_free_hdl; /* Initialize ved and sd */ vsensor->pad.flags = MEDIA_PAD_FL_SOURCE; ret = vimc_ent_sd_register(&vsensor->ved, &vsensor->sd, v4l2_dev, vcfg_name, MEDIA_ENT_F_CAM_SENSOR, 1, &vsensor->pad, &vimc_sensor_internal_ops, &vimc_sensor_ops); if (ret) goto err_free_tpg; vsensor->ved.process_frame = vimc_sensor_process_frame; vsensor->ved.dev = vimc->mdev.dev; return &vsensor->ved; err_free_tpg: tpg_free(&vsensor->tpg); err_free_hdl: v4l2_ctrl_handler_free(&vsensor->hdl); err_free_vsensor: kfree(vsensor); return ERR_PTR(ret); } const struct vimc_ent_type vimc_sensor_type = { .add = vimc_sensor_add, .release = vimc_sensor_release };
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