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path: root/drivers/media/platform/vimc/vimc-sensor.c
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Diffstat (limited to 'drivers/media/platform/vimc/vimc-sensor.c')
-rw-r--r--drivers/media/platform/vimc/vimc-sensor.c376
1 files changed, 0 insertions, 376 deletions
diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c
deleted file mode 100644
index 92daee58209e..000000000000
--- a/drivers/media/platform/vimc/vimc-sensor.c
+++ /dev/null
@@ -1,376 +0,0 @@
-// 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"
-
-struct vimc_sen_device {
- struct vimc_ent_device ved;
- struct v4l2_subdev sd;
- struct tpg_data tpg;
- u8 *frame;
- /* The active format */
- struct v4l2_mbus_framefmt mbus_format;
- struct v4l2_ctrl_handler hdl;
- struct media_pad pad;
-};
-
-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_DEFAULT,
-};
-
-static int vimc_sen_init_cfg(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg)
-{
- unsigned int i;
-
- for (i = 0; i < sd->entity.num_pads; i++) {
- struct v4l2_mbus_framefmt *mf;
-
- mf = v4l2_subdev_get_try_format(sd, cfg, i);
- *mf = fmt_default;
- }
-
- return 0;
-}
-
-static int vimc_sen_enum_mbus_code(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_mbus_code_enum *code)
-{
- const struct vimc_pix_map *vpix = vimc_pix_map_by_index(code->index);
-
- if (!vpix)
- return -EINVAL;
-
- code->code = vpix->code;
-
- return 0;
-}
-
-static int vimc_sen_enum_frame_size(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- 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 int vimc_sen_get_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
-{
- struct vimc_sen_device *vsen =
- container_of(sd, struct vimc_sen_device, sd);
-
- fmt->format = fmt->which == V4L2_SUBDEV_FORMAT_TRY ?
- *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) :
- vsen->mbus_format;
-
- return 0;
-}
-
-static void vimc_sen_tpg_s_format(struct vimc_sen_device *vsen)
-{
- const struct vimc_pix_map *vpix =
- vimc_pix_map_by_code(vsen->mbus_format.code);
-
- tpg_reset_source(&vsen->tpg, vsen->mbus_format.width,
- vsen->mbus_format.height, vsen->mbus_format.field);
- tpg_s_bytesperline(&vsen->tpg, 0, vsen->mbus_format.width * vpix->bpp);
- tpg_s_buf_height(&vsen->tpg, vsen->mbus_format.height);
- tpg_s_fourcc(&vsen->tpg, vpix->pixelformat);
- /* TODO: add support for V4L2_FIELD_ALTERNATE */
- tpg_s_field(&vsen->tpg, vsen->mbus_format.field, false);
- tpg_s_colorspace(&vsen->tpg, vsen->mbus_format.colorspace);
- tpg_s_ycbcr_enc(&vsen->tpg, vsen->mbus_format.ycbcr_enc);
- tpg_s_quantization(&vsen->tpg, vsen->mbus_format.quantization);
- tpg_s_xfer_func(&vsen->tpg, vsen->mbus_format.xfer_func);
-}
-
-static void vimc_sen_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_sen_set_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
-{
- struct vimc_sen_device *vsen = v4l2_get_subdevdata(sd);
- struct v4l2_mbus_framefmt *mf;
-
- if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
- /* Do not change the format while stream is on */
- if (vsen->frame)
- return -EBUSY;
-
- mf = &vsen->mbus_format;
- } else {
- mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
- }
-
- /* Set the new format */
- vimc_sen_adjust_fmt(&fmt->format);
-
- dev_dbg(vsen->ved.dev, "%s: format update: "
- "old:%dx%d (0x%x, %d, %d, %d, %d) "
- "new:%dx%d (0x%x, %d, %d, %d, %d)\n", vsen->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_sen_pad_ops = {
- .init_cfg = vimc_sen_init_cfg,
- .enum_mbus_code = vimc_sen_enum_mbus_code,
- .enum_frame_size = vimc_sen_enum_frame_size,
- .get_fmt = vimc_sen_get_fmt,
- .set_fmt = vimc_sen_set_fmt,
-};
-
-static void *vimc_sen_process_frame(struct vimc_ent_device *ved,
- const void *sink_frame)
-{
- struct vimc_sen_device *vsen = container_of(ved, struct vimc_sen_device,
- ved);
-
- tpg_fill_plane_buffer(&vsen->tpg, 0, 0, vsen->frame);
- return vsen->frame;
-}
-
-static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable)
-{
- struct vimc_sen_device *vsen =
- container_of(sd, struct vimc_sen_device, sd);
-
- if (enable) {
- const struct vimc_pix_map *vpix;
- unsigned int frame_size;
-
- /* Calculate the frame size */
- vpix = vimc_pix_map_by_code(vsen->mbus_format.code);
- frame_size = vsen->mbus_format.width * vpix->bpp *
- vsen->mbus_format.height;
-
- /*
- * Allocate the frame buffer. Use vmalloc to be able to
- * allocate a large amount of memory
- */
- vsen->frame = vmalloc(frame_size);
- if (!vsen->frame)
- return -ENOMEM;
-
- /* configure the test pattern generator */
- vimc_sen_tpg_s_format(vsen);
-
- } else {
-
- vfree(vsen->frame);
- vsen->frame = NULL;
- }
-
- return 0;
-}
-
-static const struct v4l2_subdev_core_ops vimc_sen_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_sen_video_ops = {
- .s_stream = vimc_sen_s_stream,
-};
-
-static const struct v4l2_subdev_ops vimc_sen_ops = {
- .core = &vimc_sen_core_ops,
- .pad = &vimc_sen_pad_ops,
- .video = &vimc_sen_video_ops,
-};
-
-static int vimc_sen_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct vimc_sen_device *vsen =
- container_of(ctrl->handler, struct vimc_sen_device, hdl);
-
- switch (ctrl->id) {
- case VIMC_CID_TEST_PATTERN:
- tpg_s_pattern(&vsen->tpg, ctrl->val);
- break;
- case V4L2_CID_HFLIP:
- tpg_s_hflip(&vsen->tpg, ctrl->val);
- break;
- case V4L2_CID_VFLIP:
- tpg_s_vflip(&vsen->tpg, ctrl->val);
- break;
- case V4L2_CID_BRIGHTNESS:
- tpg_s_brightness(&vsen->tpg, ctrl->val);
- break;
- case V4L2_CID_CONTRAST:
- tpg_s_contrast(&vsen->tpg, ctrl->val);
- break;
- case V4L2_CID_HUE:
- tpg_s_hue(&vsen->tpg, ctrl->val);
- break;
- case V4L2_CID_SATURATION:
- tpg_s_saturation(&vsen->tpg, ctrl->val);
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static const struct v4l2_ctrl_ops vimc_sen_ctrl_ops = {
- .s_ctrl = vimc_sen_s_ctrl,
-};
-
-void vimc_sen_release(struct vimc_ent_device *ved)
-{
- struct vimc_sen_device *vsen =
- container_of(ved, struct vimc_sen_device, ved);
-
- v4l2_ctrl_handler_free(&vsen->hdl);
- tpg_free(&vsen->tpg);
- media_entity_cleanup(vsen->ved.ent);
- kfree(vsen);
-}
-
-/* Image Processing Controls */
-static const struct v4l2_ctrl_config vimc_sen_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_sen_ctrl_test_pattern = {
- .ops = &vimc_sen_ctrl_ops,
- .id = VIMC_CID_TEST_PATTERN,
- .name = "Test Pattern",
- .type = V4L2_CTRL_TYPE_MENU,
- .max = TPG_PAT_NOISE,
- .qmenu = tpg_pattern_strings,
-};
-
-struct vimc_ent_device *vimc_sen_add(struct vimc_device *vimc,
- const char *vcfg_name)
-{
- struct v4l2_device *v4l2_dev = &vimc->v4l2_dev;
- struct vimc_sen_device *vsen;
- int ret;
-
- /* Allocate the vsen struct */
- vsen = kzalloc(sizeof(*vsen), GFP_KERNEL);
- if (!vsen)
- return NULL;
-
- v4l2_ctrl_handler_init(&vsen->hdl, 4);
-
- v4l2_ctrl_new_custom(&vsen->hdl, &vimc_sen_ctrl_class, NULL);
- v4l2_ctrl_new_custom(&vsen->hdl, &vimc_sen_ctrl_test_pattern, NULL);
- v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
- V4L2_CID_VFLIP, 0, 1, 1, 0);
- v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
- V4L2_CID_HFLIP, 0, 1, 1, 0);
- v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
- V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
- v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
- V4L2_CID_CONTRAST, 0, 255, 1, 128);
- v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
- V4L2_CID_HUE, -128, 127, 1, 0);
- v4l2_ctrl_new_std(&vsen->hdl, &vimc_sen_ctrl_ops,
- V4L2_CID_SATURATION, 0, 255, 1, 128);
- vsen->sd.ctrl_handler = &vsen->hdl;
- if (vsen->hdl.error) {
- ret = vsen->hdl.error;
- goto err_free_vsen;
- }
-
- /* Initialize the test pattern generator */
- tpg_init(&vsen->tpg, vsen->mbus_format.width,
- vsen->mbus_format.height);
- ret = tpg_alloc(&vsen->tpg, VIMC_FRAME_MAX_WIDTH);
- if (ret)
- goto err_free_hdl;
-
- /* Initialize ved and sd */
- vsen->pad.flags = MEDIA_PAD_FL_SOURCE;
- ret = vimc_ent_sd_register(&vsen->ved, &vsen->sd, v4l2_dev,
- vcfg_name,
- MEDIA_ENT_F_CAM_SENSOR, 1, &vsen->pad,
- &vimc_sen_ops);
- if (ret)
- goto err_free_tpg;
-
- vsen->ved.process_frame = vimc_sen_process_frame;
- vsen->ved.dev = vimc->mdev.dev;
-
- /* Initialize the frame format */
- vsen->mbus_format = fmt_default;
-
- return &vsen->ved;
-
-err_free_tpg:
- tpg_free(&vsen->tpg);
-err_free_hdl:
- v4l2_ctrl_handler_free(&vsen->hdl);
-err_free_vsen:
- kfree(vsen);
-
- return NULL;
-}