recipes-kernel: update driver recipes

This patch changes the recipes to fetch the driver sources from
AGL's src directory. It therefore removes the redundant source
files from the recipe directory.

Change-Id: Ib3c48a0c7e79144713ccd8e10a89185cd929b41c
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
(cherry picked from commit 1ea0cef6934ccadc36395b60d8b8d58d69016e28)

1 files changed, 0 insertions, 609 deletions

diff --git a/recipes-kernel/aim-v4l2/files/video.c b/recipes-kernel/aim-v4l2/files/video.c
deleted file mode 100644
index 13abf7c27..000000000
--- a/recipes-kernel/aim-v4l2/files/video.c
+++ /dev/null
@@ -1,609 +0,0 @@
-/*
- * V4L2 AIM - V4L2 Application Interface Module for MostCore
- *
- * Copyright (C) 2015, Microchip Technology Germany II GmbH & Co. KG
- *
- * 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.
- *
- * This file is licensed under GPLv2.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/suspend.h>
-#include <linux/videodev2.h>
-#include <linux/mutex.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-event.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-fh.h>
-
-#include "mostcore.h"
-
-#define V4L2_AIM_MAX_INPUT  1
-
-static struct most_aim aim_info;
-
-struct most_video_dev {
-	struct most_interface *iface;
-	int ch_idx;
-	struct list_head list;
-	bool mute;
-
-	struct list_head pending_mbos;
-	spinlock_t list_lock;
-
-	struct v4l2_device v4l2_dev;
-	atomic_t access_ref;
-	struct video_device *vdev;
-	unsigned int ctrl_input;
-
-	struct mutex lock;
-
-	wait_queue_head_t wait_data;
-};
-
-struct aim_fh {
-	/* must be the first field of this struct! */
-	struct v4l2_fh fh;
-	struct most_video_dev *mdev;
-	u32 offs;
-};
-
-static struct list_head video_devices = LIST_HEAD_INIT(video_devices);
-static struct spinlock list_lock;
-
-static inline bool data_ready(struct most_video_dev *mdev)
-{
-	return !list_empty(&mdev->pending_mbos);
-}
-
-static inline struct mbo *get_top_mbo(struct most_video_dev *mdev)
-{
-	return list_first_entry(&mdev->pending_mbos, struct mbo, list);
-}
-
-static int aim_vdev_open(struct file *filp)
-{
-	int ret;
-	struct video_device *vdev = video_devdata(filp);
-	struct most_video_dev *mdev = video_drvdata(filp);
-	struct aim_fh *fh;
-
-	pr_info("aim_vdev_open()\n");
-
-	switch (vdev->vfl_type) {
-	case VFL_TYPE_GRABBER:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
-	if (!fh)
-		return -ENOMEM;
-
-	if (!atomic_inc_and_test(&mdev->access_ref)) {
-		pr_err("too many clients\n");
-		ret = -EBUSY;
-		goto err_dec;
-	}
-
-	fh->mdev = mdev;
-	v4l2_fh_init(&fh->fh, vdev);
-	filp->private_data = fh;
-
-	v4l2_fh_add(&fh->fh);
-
-	ret = most_start_channel(mdev->iface, mdev->ch_idx, &aim_info);
-	if (ret) {
-		pr_err("most_start_channel() failed\n");
-		goto err_rm;
-	}
-
-	return 0;
-
-err_rm:
-	v4l2_fh_del(&fh->fh);
-	v4l2_fh_exit(&fh->fh);
-
-err_dec:
-	atomic_dec(&mdev->access_ref);
-	kfree(fh);
-	return ret;
-}
-
-static int aim_vdev_close(struct file *filp)
-{
-	struct aim_fh *fh = filp->private_data;
-	struct most_video_dev *mdev = fh->mdev;
-	struct mbo *mbo, *tmp;
-
-	pr_info("aim_vdev_close()\n");
-
-	/*
-	 * We need to put MBOs back before we call most_stop_channel()
-	 * to deallocate MBOs.
-	 * From the other hand mostcore still calling rx_completion()
-	 * to deliver MBOs until most_stop_channel() is called.
-	 * Use mute to work around this issue.
-	 * This must be implemented in core.
-	 */
-
-	spin_lock(&mdev->list_lock);
-	mdev->mute = true;
-	list_for_each_entry_safe(mbo, tmp, &mdev->pending_mbos, list) {
-		list_del(&mbo->list);
-		spin_unlock(&mdev->list_lock);
-		most_put_mbo(mbo);
-		spin_lock(&mdev->list_lock);
-	}
-	spin_unlock(&mdev->list_lock);
-	most_stop_channel(mdev->iface, mdev->ch_idx, &aim_info);
-	mdev->mute = false;
-
-	v4l2_fh_del(&fh->fh);
-	v4l2_fh_exit(&fh->fh);
-
-	atomic_dec(&mdev->access_ref);
-	kfree(fh);
-	return 0;
-}
-
-static ssize_t aim_vdev_read(struct file *filp, char __user *buf,
-			     size_t count, loff_t *pos)
-{
-	struct aim_fh *fh = filp->private_data;
-	struct most_video_dev *mdev = fh->mdev;
-	int ret = 0;
-
-	if (*pos)
-		return -ESPIPE;
-
-	if (!mdev)
-		return -ENODEV;
-
-	/* wait for the first buffer */
-	if (!(filp->f_flags & O_NONBLOCK)) {
-		if (wait_event_interruptible(mdev->wait_data, data_ready(mdev)))
-			return -ERESTARTSYS;
-	}
-
-	if (!data_ready(mdev))
-		return -EAGAIN;
-
-	while (count > 0 && data_ready(mdev)) {
-		struct mbo *const mbo = get_top_mbo(mdev);
-		int const rem = mbo->processed_length - fh->offs;
-		int const cnt = rem < count ? rem : count;
-
-		if (copy_to_user(buf, mbo->virt_address + fh->offs, cnt)) {
-			pr_err("read: copy_to_user failed\n");
-			if (!ret)
-				ret = -EFAULT;
-			return ret;
-		}
-
-		fh->offs += cnt;
-		count -= cnt;
-		buf += cnt;
-		ret += cnt;
-
-		if (cnt >= rem) {
-			fh->offs = 0;
-			spin_lock(&mdev->list_lock);
-			list_del(&mbo->list);
-			spin_unlock(&mdev->list_lock);
-			most_put_mbo(mbo);
-		}
-	}
-	return ret;
-}
-
-static unsigned int aim_vdev_poll(struct file *filp, poll_table *wait)
-{
-	struct aim_fh *fh = filp->private_data;
-	struct most_video_dev *mdev = fh->mdev;
-	unsigned int mask = 0;
-
-	/* only wait if no data is available */
-	if (!data_ready(mdev))
-		poll_wait(filp, &mdev->wait_data, wait);
-	if (data_ready(mdev))
-		mask |= POLLIN | POLLRDNORM;
-
-	return mask;
-}
-
-static void aim_set_format_struct(struct v4l2_format *f)
-{
-	f->fmt.pix.width = 8;
-	f->fmt.pix.height = 8;
-	f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
-	f->fmt.pix.bytesperline = 0;
-	f->fmt.pix.sizeimage = 188 * 2;
-	f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
-	f->fmt.pix.field = V4L2_FIELD_NONE;
-	f->fmt.pix.priv = 0;
-}
-
-static int aim_set_format(struct most_video_dev *mdev, unsigned int cmd,
-			  struct v4l2_format *format)
-{
-	if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG)
-		return -EINVAL;
-
-	if (cmd == VIDIOC_TRY_FMT)
-		return 0;
-
-	aim_set_format_struct(format);
-
-	return 0;
-}
-
-static int vidioc_querycap(struct file *file, void  *priv,
-			   struct v4l2_capability *cap)
-{
-	struct aim_fh *fh = priv;
-	struct most_video_dev *mdev = fh->mdev;
-
-	pr_info("vidioc_querycap()\n");
-
-	strlcpy(cap->driver, "v4l2_most_aim", sizeof(cap->driver));
-	strlcpy(cap->card, "my_card", sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info),
-		 "%s", mdev->iface->description);
-
-	cap->capabilities =
-		V4L2_CAP_READWRITE |
-		V4L2_CAP_TUNER |
-		V4L2_CAP_VIDEO_CAPTURE;
-	return 0;
-}
-
-static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
-				   struct v4l2_fmtdesc *f)
-{
-	pr_info("vidioc_enum_fmt_vid_cap() %d\n", f->index);
-
-	if (f->index)
-		return -EINVAL;
-
-	strcpy(f->description, "MPEG");
-	f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	f->flags = V4L2_FMT_FLAG_COMPRESSED;
-	f->pixelformat = V4L2_PIX_FMT_MPEG;
-
-	return 0;
-}
-
-static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	pr_info("vidioc_g_fmt_vid_cap()\n");
-
-	aim_set_format_struct(f);
-	return 0;
-}
-
-static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
-				  struct v4l2_format *f)
-{
-	struct aim_fh *fh  = priv;
-	struct most_video_dev *mdev = fh->mdev;
-
-	return aim_set_format(mdev, VIDIOC_TRY_FMT, f);
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	struct aim_fh *fh  = priv;
-	struct most_video_dev *mdev = fh->mdev;
-
-	return aim_set_format(mdev, VIDIOC_S_FMT, f);
-}
-
-static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
-{
-	pr_info("vidioc_g_std()\n");
-
-	*norm = V4L2_STD_UNKNOWN;
-	return 0;
-}
-
-static int vidioc_enum_input(struct file *file, void *priv,
-			     struct v4l2_input *input)
-{
-	struct aim_fh *fh = priv;
-	struct most_video_dev *mdev = fh->mdev;
-
-	if (input->index >= V4L2_AIM_MAX_INPUT)
-		return -EINVAL;
-
-	strcpy(input->name, "MOST Video");
-	input->type |= V4L2_INPUT_TYPE_CAMERA;
-	input->audioset = 0;
-
-	input->std = mdev->vdev->tvnorms;
-
-	return 0;
-}
-
-static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
-{
-	struct aim_fh *fh = priv;
-	struct most_video_dev *mdev = fh->mdev;
-	*i = mdev->ctrl_input;
-	return 0;
-}
-
-static int vidioc_s_input(struct file *file, void *priv, unsigned int index)
-{
-	struct aim_fh *fh = priv;
-	struct most_video_dev *mdev = fh->mdev;
-
-	pr_info("vidioc_s_input(%d)\n", index);
-
-	if (index >= V4L2_AIM_MAX_INPUT)
-		return -EINVAL;
-	mdev->ctrl_input = index;
-	return 0;
-}
-
-static struct v4l2_file_operations aim_fops = {
-	.owner      = THIS_MODULE,
-	.open       = aim_vdev_open,
-	.release    = aim_vdev_close,
-	.read       = aim_vdev_read,
-	.poll       = aim_vdev_poll,
-	.unlocked_ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap            = vidioc_querycap,
-	.vidioc_enum_fmt_vid_cap    = vidioc_enum_fmt_vid_cap,
-	.vidioc_g_fmt_vid_cap       = vidioc_g_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap     = vidioc_try_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap       = vidioc_s_fmt_vid_cap,
-	.vidioc_g_std               = vidioc_g_std,
-	.vidioc_enum_input          = vidioc_enum_input,
-	.vidioc_g_input             = vidioc_g_input,
-	.vidioc_s_input             = vidioc_s_input,
-};
-
-static const struct video_device aim_videodev_template = {
-	.fops = &aim_fops,
-	.release = video_device_release,
-	.ioctl_ops = &video_ioctl_ops,
-	.tvnorms = V4L2_STD_UNKNOWN,
-};
-
-/**************************************************************************/
-
-static struct most_video_dev *get_aim_dev(
-	struct most_interface *iface, int channel_idx)
-{
-	struct most_video_dev *mdev, *tmp;
-
-	spin_lock(&list_lock);
-	list_for_each_entry_safe(mdev, tmp, &video_devices, list) {
-		if (mdev->iface == iface && mdev->ch_idx == channel_idx) {
-			spin_unlock(&list_lock);
-			return mdev;
-		}
-	}
-	spin_unlock(&list_lock);
-	return NULL;
-}
-
-static int aim_rx_data(struct mbo *mbo)
-{
-	struct most_video_dev *mdev =
-		get_aim_dev(mbo->ifp, mbo->hdm_channel_id);
-
-	if (!mdev)
-		return -EIO;
-
-	spin_lock(&mdev->list_lock);
-	if (unlikely(mdev->mute)) {
-		spin_unlock(&mdev->list_lock);
-		return -EIO;
-	}
-
-	list_add_tail(&mbo->list, &mdev->pending_mbos);
-	spin_unlock(&mdev->list_lock);
-	wake_up_interruptible(&mdev->wait_data);
-	return 0;
-}
-
-static int aim_register_videodev(struct most_video_dev *mdev)
-{
-	int retval = -ENOMEM;
-	int ret;
-
-	pr_info("aim_register_videodev()\n");
-
-	init_waitqueue_head(&mdev->wait_data);
-
-	/* allocate and fill v4l2 video struct */
-	mdev->vdev = video_device_alloc();
-	if (!mdev->vdev)
-		return -ENOMEM;
-
-	/* Fill the video capture device struct */
-	*mdev->vdev = aim_videodev_template;
-	mdev->vdev->v4l2_dev = &mdev->v4l2_dev;
-	mdev->vdev->lock = &mdev->lock;
-	strcpy(mdev->vdev->name, "most v4l2 aim video");
-
-	/* Register the v4l2 device */
-	video_set_drvdata(mdev->vdev, mdev);
-	retval = video_register_device(mdev->vdev, VFL_TYPE_GRABBER, -1);
-	if (retval != 0) {
-		pr_err("video_register_device failed (%d)\n", retval);
-		ret = -ENODEV;
-		goto err_vbi_dev;
-	}
-
-	return 0;
-
-err_vbi_dev:
-	video_device_release(mdev->vdev);
-	return ret;
-}
-
-static void aim_unregister_videodev(struct most_video_dev *mdev)
-{
-	pr_info("aim_unregister_videodev()\n");
-
-	video_unregister_device(mdev->vdev);
-}
-
-static void aim_v4l2_dev_release(struct v4l2_device *v4l2_dev)
-{
-	struct most_video_dev *mdev =
-		container_of(v4l2_dev, struct most_video_dev, v4l2_dev);
-
-	v4l2_device_unregister(v4l2_dev);
-	kfree(mdev);
-}
-
-static int aim_probe_channel(struct most_interface *iface, int channel_idx,
-			     struct most_channel_config *ccfg,
-			     struct kobject *parent, char *name)
-{
-	int ret;
-	struct most_video_dev *mdev = get_aim_dev(iface, channel_idx);
-
-	pr_info("aim_probe_channel()\n");
-
-	if (mdev) {
-		pr_err("channel already linked\n");
-		return -EEXIST;
-	}
-
-	if (ccfg->direction != MOST_CH_RX) {
-		pr_err("wrong direction, expect rx\n");
-		return -EINVAL;
-	}
-
-	if (ccfg->data_type != MOST_CH_SYNC &&
-	    ccfg->data_type != MOST_CH_ISOC_AVP) {
-		pr_err("wrong channel type, expect sync or isoc_avp\n");
-		return -EINVAL;
-	}
-
-	mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
-	if (!mdev)
-		return -ENOMEM;
-
-	mutex_init(&mdev->lock);
-	atomic_set(&mdev->access_ref, -1);
-	spin_lock_init(&mdev->list_lock);
-	INIT_LIST_HEAD(&mdev->pending_mbos);
-	mdev->iface = iface;
-	mdev->ch_idx = channel_idx;
-	mdev->v4l2_dev.release = aim_v4l2_dev_release;
-
-	/* Create the v4l2_device */
-	strlcpy(mdev->v4l2_dev.name, "most_video_device",
-		sizeof(mdev->v4l2_dev.name));
-	ret = v4l2_device_register(NULL, &mdev->v4l2_dev);
-	if (ret) {
-		pr_err("v4l2_device_register() failed\n");
-		kfree(mdev);
-		return ret;
-	}
-
-	ret = aim_register_videodev(mdev);
-	if (ret)
-		goto err_unreg;
-
-	spin_lock(&list_lock);
-	list_add(&mdev->list, &video_devices);
-	spin_unlock(&list_lock);
-	return 0;
-
-err_unreg:
-	v4l2_device_disconnect(&mdev->v4l2_dev);
-	v4l2_device_put(&mdev->v4l2_dev);
-	return ret;
-}
-
-static int aim_disconnect_channel(struct most_interface *iface,
-				  int channel_idx)
-{
-	struct most_video_dev *mdev = get_aim_dev(iface, channel_idx);
-
-	pr_info("aim_disconnect_channel()\n");
-
-	if (!mdev) {
-		pr_err("no such channel is linked\n");
-		return -ENOENT;
-	}
-
-	spin_lock(&list_lock);
-	list_del(&mdev->list);
-	spin_unlock(&list_lock);
-
-	aim_unregister_videodev(mdev);
-	v4l2_device_disconnect(&mdev->v4l2_dev);
-	v4l2_device_put(&mdev->v4l2_dev);
-	return 0;
-}
-
-static struct most_aim aim_info = {
-	.name = "v4l",
-	.probe_channel = aim_probe_channel,
-	.disconnect_channel = aim_disconnect_channel,
-	.rx_completion = aim_rx_data,
-};
-
-static int __init aim_init(void)
-{
-	spin_lock_init(&list_lock);
-	return most_register_aim(&aim_info);
-}
-
-static void __exit aim_exit(void)
-{
-	struct most_video_dev *mdev, *tmp;
-
-	/*
-	 * As the mostcore currently doesn't call disconnect_channel()
-	 * for linked channels while we call most_deregister_aim()
-	 * we simulate this call here.
-	 * This must be fixed in core.
-	 */
-	spin_lock(&list_lock);
-	list_for_each_entry_safe(mdev, tmp, &video_devices, list) {
-		list_del(&mdev->list);
-		spin_unlock(&list_lock);
-
-		aim_unregister_videodev(mdev);
-		v4l2_device_disconnect(&mdev->v4l2_dev);
-		v4l2_device_put(&mdev->v4l2_dev);
-		spin_lock(&list_lock);
-	}
-	spin_unlock(&list_lock);
-
-	most_deregister_aim(&aim_info);
-	BUG_ON(!list_empty(&video_devices));
-}
-
-module_init(aim_init);
-module_exit(aim_exit);
-
-MODULE_DESCRIPTION("V4L2 Application Interface Module for MostCore");
-MODULE_AUTHOR("Andrey Shvetsov <andrey.shvetsov@k2l.de>");
-MODULE_LICENSE("GPL");