1 files changed, 0 insertions, 480 deletions

diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c
deleted file mode 100644
index 32ca9c6172b1..000000000000
--- a/drivers/media/platform/vimc/vimc-sensor.c
+++ /dev/null
@@ -1,480 +0,0 @@
-/*
- * vimc-sensor.c Virtual Media Controller Driver
- *
- * Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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/component.h>
-#include <linux/freezer.h>
-#include <linux/kthread.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/platform_device.h>
-#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"
-
-#define VIMC_SEN_DRV_NAME "vimc-sensor"
-
-struct vimc_sen_device {
-	struct vimc_ent_device ved;
-	struct v4l2_subdev sd;
-	struct device *dev;
-	struct tpg_data tpg;
-	struct task_struct *kthread_sen;
-	u8 *frame;
-	/* The active format */
-	struct v4l2_mbus_framefmt mbus_format;
-	struct v4l2_ctrl_handler hdl;
-};
-
-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->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 int vimc_sen_tpg_thread(void *data)
-{
-	struct vimc_sen_device *vsen = data;
-	unsigned int i;
-
-	set_freezable();
-	set_current_state(TASK_UNINTERRUPTIBLE);
-
-	for (;;) {
-		try_to_freeze();
-		if (kthread_should_stop())
-			break;
-
-		tpg_fill_plane_buffer(&vsen->tpg, 0, 0, vsen->frame);
-
-		/* Send the frame to all source pads */
-		for (i = 0; i < vsen->sd.entity.num_pads; i++)
-			vimc_propagate_frame(&vsen->sd.entity.pads[i],
-					     vsen->frame);
-
-		/* 60 frames per second */
-		schedule_timeout(HZ/60);
-	}
-
-	return 0;
-}
-
-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);
-	int ret;
-
-	if (enable) {
-		const struct vimc_pix_map *vpix;
-		unsigned int frame_size;
-
-		if (vsen->kthread_sen)
-			/* tpg is already executing */
-			return 0;
-
-		/* 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);
-
-		/* Initialize the image generator thread */
-		vsen->kthread_sen = kthread_run(vimc_sen_tpg_thread, vsen,
-					"%s-sen", vsen->sd.v4l2_dev->name);
-		if (IS_ERR(vsen->kthread_sen)) {
-			dev_err(vsen->dev, "%s: kernel_thread() failed\n",
-				vsen->sd.name);
-			vfree(vsen->frame);
-			vsen->frame = NULL;
-			return PTR_ERR(vsen->kthread_sen);
-		}
-	} else {
-		if (!vsen->kthread_sen)
-			return 0;
-
-		/* Stop image generator */
-		ret = kthread_stop(vsen->kthread_sen);
-		if (ret)
-			return ret;
-
-		vsen->kthread_sen = NULL;
-		vfree(vsen->frame);
-		vsen->frame = NULL;
-		return 0;
-	}
-
-	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,
-};
-
-static void vimc_sen_comp_unbind(struct device *comp, struct device *master,
-				 void *master_data)
-{
-	struct vimc_ent_device *ved = dev_get_drvdata(comp);
-	struct vimc_sen_device *vsen =
-				container_of(ved, struct vimc_sen_device, ved);
-
-	vimc_ent_sd_unregister(ved, &vsen->sd);
-	v4l2_ctrl_handler_free(&vsen->hdl);
-	tpg_free(&vsen->tpg);
-	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,
-};
-
-static int vimc_sen_comp_bind(struct device *comp, struct device *master,
-			      void *master_data)
-{
-	struct v4l2_device *v4l2_dev = master_data;
-	struct vimc_platform_data *pdata = comp->platform_data;
-	struct vimc_sen_device *vsen;
-	int ret;
-
-	/* Allocate the vsen struct */
-	vsen = kzalloc(sizeof(*vsen), GFP_KERNEL);
-	if (!vsen)
-		return -ENOMEM;
-
-	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 ved and sd */
-	ret = vimc_ent_sd_register(&vsen->ved, &vsen->sd, v4l2_dev,
-				   pdata->entity_name,
-				   MEDIA_ENT_F_CAM_SENSOR, 1,
-				   (const unsigned long[1]) {MEDIA_PAD_FL_SOURCE},
-				   &vimc_sen_ops);
-	if (ret)
-		goto err_free_hdl;
-
-	dev_set_drvdata(comp, &vsen->ved);
-	vsen->dev = comp;
-
-	/* Initialize the frame format */
-	vsen->mbus_format = fmt_default;
-
-	/* 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_unregister_ent_sd;
-
-	return 0;
-
-err_unregister_ent_sd:
-	vimc_ent_sd_unregister(&vsen->ved,  &vsen->sd);
-err_free_hdl:
-	v4l2_ctrl_handler_free(&vsen->hdl);
-err_free_vsen:
-	kfree(vsen);
-
-	return ret;
-}
-
-static const struct component_ops vimc_sen_comp_ops = {
-	.bind = vimc_sen_comp_bind,
-	.unbind = vimc_sen_comp_unbind,
-};
-
-static int vimc_sen_probe(struct platform_device *pdev)
-{
-	return component_add(&pdev->dev, &vimc_sen_comp_ops);
-}
-
-static int vimc_sen_remove(struct platform_device *pdev)
-{
-	component_del(&pdev->dev, &vimc_sen_comp_ops);
-
-	return 0;
-}
-
-static const struct platform_device_id vimc_sen_driver_ids[] = {
-	{
-		.name           = VIMC_SEN_DRV_NAME,
-	},
-	{ }
-};
-
-static struct platform_driver vimc_sen_pdrv = {
-	.probe		= vimc_sen_probe,
-	.remove		= vimc_sen_remove,
-	.id_table	= vimc_sen_driver_ids,
-	.driver		= {
-		.name	= VIMC_SEN_DRV_NAME,
-	},
-};
-
-module_platform_driver(vimc_sen_pdrv);
-
-MODULE_DEVICE_TABLE(platform, vimc_sen_driver_ids);
-
-MODULE_DESCRIPTION("Virtual Media Controller Driver (VIMC) Sensor");
-MODULE_AUTHOR("Helen Mae Koike Fornazier <helen.fornazier@gmail.com>");
-MODULE_LICENSE("GPL");