[net-next-2.6.git] / drivers / staging / cx25821 / cx25821-audups11.c

/*
 *  Driver for the Conexant CX25821 PCIe bridge
 *
 *  Copyright (C) 2009 Conexant Systems Inc.
 *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
 *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "cx25821-video.h"

static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
	struct cx25821_buffer *buf =
	    container_of(vb, struct cx25821_buffer, vb);
	struct cx25821_buffer *prev;
	struct cx25821_fh *fh = vq->priv_data;
	struct cx25821_dev *dev = fh->dev;
	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH11];

	/* add jump to stopper */
	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
	buf->risc.jmp[2] = cpu_to_le32(0);	/* bits 63-32 */

	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);

	if (!list_empty(&q->queued)) {
		list_add_tail(&buf->vb.queue, &q->queued);
		buf->vb.state = VIDEOBUF_QUEUED;
		dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
			buf->vb.i);

	} else if (list_empty(&q->active)) {
		list_add_tail(&buf->vb.queue, &q->active);
		cx25821_start_video_dma(dev, q, buf,
					&dev->sram_channels[SRAM_CH11]);
		buf->vb.state = VIDEOBUF_ACTIVE;
		buf->count = q->count++;
		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
		dprintk(2,
			"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
			buf, buf->vb.i, buf->count, q->count);
	} else {
		prev =
		    list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
		if (prev->vb.width == buf->vb.width
		    && prev->vb.height == buf->vb.height
		    && prev->fmt == buf->fmt) {
			list_add_tail(&buf->vb.queue, &q->active);
			buf->vb.state = VIDEOBUF_ACTIVE;
			buf->count = q->count++;
			prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);

			/* 64 bit bits 63-32 */
			prev->risc.jmp[2] = cpu_to_le32(0);
			dprintk(2,
				"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
				buf, buf->vb.i, buf->count);

		} else {
			list_add_tail(&buf->vb.queue, &q->queued);
			buf->vb.state = VIDEOBUF_QUEUED;
			dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
				buf->vb.i);
		}
	}

	if (list_empty(&q->active)) {
		dprintk(2, "active queue empty!\n");
	}
}

static struct videobuf_queue_ops cx25821_video_qops = {
	.buf_setup = buffer_setup,
	.buf_prepare = buffer_prepare,
	.buf_queue = buffer_queue,
	.buf_release = buffer_release,
};

static int video_open(struct file *file)
{
	struct video_device *vdev = video_devdata(file);
	struct cx25821_dev *dev = video_drvdata(file);
	struct cx25821_fh *fh;
	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
		v4l2_type_names[type]);

	/* allocate + initialize per filehandle data */
	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
	if (NULL == fh)
		return -ENOMEM;

	lock_kernel();

	file->private_data = fh;
	fh->dev = dev;
	fh->type = type;
	fh->width = 720;

	if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
		fh->height = 576;
	else
		fh->height = 480;

	dev->channel_opened = 10;
	fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);

	v4l2_prio_open(&dev->prio, &fh->prio);

	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
			       &dev->pci->dev, &dev->slock,
			       V4L2_BUF_TYPE_VIDEO_CAPTURE,
			       V4L2_FIELD_INTERLACED,
			       sizeof(struct cx25821_buffer), fh);

	dprintk(1, "post videobuf_queue_init()\n");
	unlock_kernel();

	return 0;
}

static ssize_t video_read(struct file *file, char __user * data, size_t count,
			  loff_t * ppos)
{
	struct cx25821_fh *fh = file->private_data;

	switch (fh->type) {
	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		if (res_locked(fh->dev, RESOURCE_VIDEO11))
			return -EBUSY;

		return videobuf_read_one(&fh->vidq, data, count, ppos,
					 file->f_flags & O_NONBLOCK);

	default:
		BUG();
		return 0;
	}
}

static unsigned int video_poll(struct file *file,
			       struct poll_table_struct *wait)
{
	struct cx25821_fh *fh = file->private_data;
	struct cx25821_buffer *buf;

	if (res_check(fh, RESOURCE_VIDEO11)) {
		/* streaming capture */
		if (list_empty(&fh->vidq.stream))
			return POLLERR;
		buf = list_entry(fh->vidq.stream.next,
				 struct cx25821_buffer, vb.stream);
	} else {
		/* read() capture */
		buf = (struct cx25821_buffer *)fh->vidq.read_buf;
		if (NULL == buf)
			return POLLERR;
	}

	poll_wait(file, &buf->vb.done, wait);
	if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
		return POLLIN | POLLRDNORM;
	return 0;
}

static int video_release(struct file *file)
{
	struct cx25821_fh *fh = file->private_data;
	struct cx25821_dev *dev = fh->dev;

	//stop the risc engine and fifo
	//cx_write(channel11->dma_ctl, 0);

	/* stop video capture */
	if (res_check(fh, RESOURCE_VIDEO11)) {
		videobuf_queue_cancel(&fh->vidq);
		res_free(dev, fh, RESOURCE_VIDEO11);
	}

	if (fh->vidq.read_buf) {
		buffer_release(&fh->vidq, fh->vidq.read_buf);
		kfree(fh->vidq.read_buf);
	}

	videobuf_mmap_free(&fh->vidq);

	v4l2_prio_close(&dev->prio, &fh->prio);

	file->private_data = NULL;
	kfree(fh);

	return 0;
}

static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
	struct cx25821_fh *fh = priv;
	struct cx25821_dev *dev = fh->dev;

	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
		return -EINVAL;
	}

	if (unlikely(i != fh->type)) {
		return -EINVAL;
	}

	if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO11)))) {
		return -EBUSY;
	}

	return videobuf_streamon(get_queue(fh));
}

static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
	struct cx25821_fh *fh = priv;
	struct cx25821_dev *dev = fh->dev;
	int err, res;

	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
		return -EINVAL;
	if (i != fh->type)
		return -EINVAL;

	res = get_resource(fh, RESOURCE_VIDEO11);
	err = videobuf_streamoff(get_queue(fh));
	if (err < 0)
		return err;
	res_free(dev, fh, res);
	return 0;
}

static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
				struct v4l2_format *f)
{
	struct cx25821_fh *fh = priv;
	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
	int err;

	if (fh) {
		err = v4l2_prio_check(&dev->prio, &fh->prio);
		if (0 != err)
			return err;
	}

	dprintk(2, "%s()\n", __func__);
	err = vidioc_try_fmt_vid_cap(file, priv, f);

	if (0 != err)
		return err;
	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
	fh->width = f->fmt.pix.width;
	fh->height = f->fmt.pix.height;
	fh->vidq.field = f->fmt.pix.field;
	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
		fh->height, fh->vidq.field);
	cx25821_call_all(dev, video, s_fmt, f);
	return 0;
}

static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
				   unsigned long arg)
{
	struct cx25821_fh *fh = file->private_data;
	struct cx25821_dev *dev = fh->dev;
	int command = 0;
	struct upstream_user_struct *data_from_user;

	data_from_user = (struct upstream_user_struct *)arg;

	if (!data_from_user) {
		printk
		    ("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
		     __func__);
		return 0;
	}

	command = data_from_user->command;

	if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO) {
		return 0;
	}

	dev->input_filename = data_from_user->input_filename;
	dev->input_audiofilename = data_from_user->input_filename;
	dev->vid_stdname = data_from_user->vid_stdname;
	dev->pixel_format = data_from_user->pixel_format;
	dev->channel_select = data_from_user->channel_select;
	dev->command = data_from_user->command;

	switch (command) {
	case UPSTREAM_START_AUDIO:
		cx25821_start_upstream_audio(dev, data_from_user);
		break;

	case UPSTREAM_STOP_AUDIO:
		cx25821_stop_upstream_audio(dev);
		break;
	}

	return 0;
}

static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
	struct cx25821_fh *fh = priv;
	return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}

static int vidioc_log_status(struct file *file, void *priv)
{
	struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
	char name[32 + 2];

	snprintf(name, sizeof(name), "%s/2", dev->name);
	printk(KERN_INFO "%s/2: ============  START LOG STATUS  ============\n",
	       dev->name);
	cx25821_call_all(dev, core, log_status);
	printk(KERN_INFO "%s/2: =============  END LOG STATUS  =============\n",
	       dev->name);
	return 0;
}

static int vidioc_s_ctrl(struct file *file, void *priv,
			 struct v4l2_control *ctl)
{
	struct cx25821_fh *fh = priv;
	struct cx25821_dev *dev = fh->dev;
	int err;

	if (fh) {
		err = v4l2_prio_check(&dev->prio, &fh->prio);
		if (0 != err)
			return err;
	}
	return 0;
}

// exported stuff
static const struct v4l2_file_operations video_fops = {
	.owner = THIS_MODULE,
	.open = video_open,
	.release = video_release,
	.read = video_read,
	.poll = video_poll,
	.mmap = video_mmap,
	.ioctl = video_ioctl_upstream11,
};

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_reqbufs = vidioc_reqbufs,
	.vidioc_querybuf = vidioc_querybuf,
	.vidioc_qbuf = vidioc_qbuf,
	.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
	.vidioc_s_std = vidioc_s_std,
	.vidioc_querystd = vidioc_querystd,
#endif
	.vidioc_cropcap = vidioc_cropcap,
	.vidioc_s_crop = vidioc_s_crop,
	.vidioc_g_crop = vidioc_g_crop,
	.vidioc_enum_input = vidioc_enum_input,
	.vidioc_g_input = vidioc_g_input,
	.vidioc_s_input = vidioc_s_input,
	.vidioc_g_ctrl = vidioc_g_ctrl,
	.vidioc_s_ctrl = vidioc_s_ctrl,
	.vidioc_queryctrl = vidioc_queryctrl,
	.vidioc_streamon = vidioc_streamon,
	.vidioc_streamoff = vidioc_streamoff,
	.vidioc_log_status = vidioc_log_status,
	.vidioc_g_priority = vidioc_g_priority,
	.vidioc_s_priority = vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
	.vidiocgmbuf = vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
	.vidioc_g_tuner = vidioc_g_tuner,
	.vidioc_s_tuner = vidioc_s_tuner,
	.vidioc_g_frequency = vidioc_g_frequency,
	.vidioc_s_frequency = vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
	.vidioc_g_register = vidioc_g_register,
	.vidioc_s_register = vidioc_s_register,
#endif
};

struct video_device cx25821_video_template11 = {
	.name = "cx25821-audioupstream",
	.fops = &video_fops,
	.ioctl_ops = &video_ioctl_ops,
	.tvnorms = CX25821_NORMS,
	.current_norm = V4L2_STD_NTSC_M,
};
Commit	Line	Data
02b20b0b MCC	1	/*
	2	* Driver for the Conexant CX25821 PCIe bridge
	3	*
bb4c9a74	4	* Copyright (C) 2009 Conexant Systems Inc.
02b20b0b MCC	5	* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
	6	* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	*
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	22	*/
	23
	24	#include "cx25821-video.h"
	25
02b20b0b MCC	26	static void buffer_queue(struct videobuf_queue vq, struct videobuf_buffer vb)
02b20b0b MCC	27	{
1a9fc855 MCC	28	struct cx25821_buffer *buf =
	29	container_of(vb, struct cx25821_buffer, vb);
	30	struct cx25821_buffer *prev;
	31	struct cx25821_fh *fh = vq->priv_data;
	32	struct cx25821_dev *dev = fh->dev;
	33	struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH11];
	34
	35	/* add jump to stopper */
	36	buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP \| RISC_IRQ1 \| RISC_CNT_INC);
	37	buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
	38	buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
	39
	40	dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
	41
	42	if (!list_empty(&q->queued)) {
	43	list_add_tail(&buf->vb.queue, &q->queued);
	44	buf->vb.state = VIDEOBUF_QUEUED;
	45	dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
	46	buf->vb.i);
	47
	48	} else if (list_empty(&q->active)) {
	49	list_add_tail(&buf->vb.queue, &q->active);
	50	cx25821_start_video_dma(dev, q, buf,
	51	&dev->sram_channels[SRAM_CH11]);
	52	buf->vb.state = VIDEOBUF_ACTIVE;
	53	buf->count = q->count++;
	54	mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
	55	dprintk(2,
	56	"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
	57	buf, buf->vb.i, buf->count, q->count);
bb4c9a74	58	} else {
1a9fc855 MCC	59	prev =
	60	list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
	61	if (prev->vb.width == buf->vb.width
	62	&& prev->vb.height == buf->vb.height
	63	&& prev->fmt == buf->fmt) {
	64	list_add_tail(&buf->vb.queue, &q->active);
	65	buf->vb.state = VIDEOBUF_ACTIVE;
	66	buf->count = q->count++;
	67	prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
	68
	69	/* 64 bit bits 63-32 */
	70	prev->risc.jmp[2] = cpu_to_le32(0);
	71	dprintk(2,
	72	"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
	73	buf, buf->vb.i, buf->count);
	74
	75	} else {
	76	list_add_tail(&buf->vb.queue, &q->queued);
	77	buf->vb.state = VIDEOBUF_QUEUED;
	78	dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
	79	buf->vb.i);
	80	}
bb4c9a74	81	}
02b20b0b	82
1a9fc855 MCC	83	if (list_empty(&q->active)) {
	84	dprintk(2, "active queue empty!\n");
	85	}
02b20b0b MCC	86	}
02b20b0b MCC	87
02b20b0b	88	static struct videobuf_queue_ops cx25821_video_qops = {
1a9fc855 MCC	89	.buf_setup = buffer_setup,
	90	.buf_prepare = buffer_prepare,
	91	.buf_queue = buffer_queue,
	92	.buf_release = buffer_release,
02b20b0b MCC	93	};
02b20b0b MCC	94
02b20b0b MCC	95	static int video_open(struct file *file)
02b20b0b MCC	96	{
50462eb0	97	struct video_device *vdev = video_devdata(file);
63b0d5ad	98	struct cx25821_dev *dev = video_drvdata(file);
1a9fc855	99	struct cx25821_fh *fh;
63b0d5ad	100	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
02b20b0b	101
50462eb0 LP	102	printk("open dev=%s type=%s\n", video_device_node_name(vdev),
50462eb0 LP	103	v4l2_type_names[type]);
02b20b0b	104
1a9fc855 MCC	105	/* allocate + initialize per filehandle data */
1a9fc855 MCC	106	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
63b0d5ad	107	if (NULL == fh)
1a9fc855	108	return -ENOMEM;
63b0d5ad LP	109
63b0d5ad LP	110	lock_kernel();
02b20b0b	111
1a9fc855 MCC	112	file->private_data = fh;
	113	fh->dev = dev;
	114	fh->type = type;
	115	fh->width = 720;
02b20b0b	116
1a9fc855 MCC	117	if (dev->tvnorm & V4L2_STD_PAL_BG \|\| dev->tvnorm & V4L2_STD_PAL_DK)
	118	fh->height = 576;
	119	else
	120	fh->height = 480;
bb4c9a74	121
1a9fc855 MCC	122	dev->channel_opened = 10;
1a9fc855 MCC	123	fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
02b20b0b	124
1a9fc855	125	v4l2_prio_open(&dev->prio, &fh->prio);
02b20b0b	126
1a9fc855 MCC	127	videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
	128	&dev->pci->dev, &dev->slock,
	129	V4L2_BUF_TYPE_VIDEO_CAPTURE,
	130	V4L2_FIELD_INTERLACED,
	131	sizeof(struct cx25821_buffer), fh);
02b20b0b	132
1a9fc855 MCC	133	dprintk(1, "post videobuf_queue_init()\n");
1a9fc855 MCC	134	unlock_kernel();
02b20b0b	135
1a9fc855	136	return 0;
02b20b0b MCC	137	}
02b20b0b MCC	138
1a9fc855 MCC	139	static ssize_t video_read(struct file file, char __user data, size_t count,
1a9fc855 MCC	140	loff_t * ppos)
02b20b0b	141	{
1a9fc855	142	struct cx25821_fh *fh = file->private_data;
02b20b0b	143
1a9fc855	144	switch (fh->type) {
bb4c9a74	145	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1a9fc855 MCC	146	if (res_locked(fh->dev, RESOURCE_VIDEO11))
1a9fc855 MCC	147	return -EBUSY;
02b20b0b	148
1a9fc855 MCC	149	return videobuf_read_one(&fh->vidq, data, count, ppos,
1a9fc855 MCC	150	file->f_flags & O_NONBLOCK);
02b20b0b	151
bb4c9a74	152	default:
1a9fc855 MCC	153	BUG();
	154	return 0;
	155	}
02b20b0b MCC	156	}
02b20b0b MCC	157
1a9fc855 MCC	158	static unsigned int video_poll(struct file *file,
1a9fc855 MCC	159	struct poll_table_struct *wait)
02b20b0b	160	{
1a9fc855 MCC	161	struct cx25821_fh *fh = file->private_data;
	162	struct cx25821_buffer *buf;
	163
	164	if (res_check(fh, RESOURCE_VIDEO11)) {
	165	/* streaming capture */
	166	if (list_empty(&fh->vidq.stream))
	167	return POLLERR;
	168	buf = list_entry(fh->vidq.stream.next,
	169	struct cx25821_buffer, vb.stream);
	170	} else {
	171	/* read() capture */
	172	buf = (struct cx25821_buffer *)fh->vidq.read_buf;
	173	if (NULL == buf)
	174	return POLLERR;
	175	}
02b20b0b	176
1a9fc855 MCC	177	poll_wait(file, &buf->vb.done, wait);
	178	if (buf->vb.state == VIDEOBUF_DONE \|\| buf->vb.state == VIDEOBUF_ERROR)
	179	return POLLIN \| POLLRDNORM;
	180	return 0;
	181	}
02b20b0b MCC	182
	183	static int video_release(struct file *file)
	184	{
1a9fc855 MCC	185	struct cx25821_fh *fh = file->private_data;
1a9fc855 MCC	186	struct cx25821_dev *dev = fh->dev;
02b20b0b	187
1a9fc855 MCC	188	//stop the risc engine and fifo
1a9fc855 MCC	189	//cx_write(channel11->dma_ctl, 0);
02b20b0b	190
1a9fc855 MCC	191	/* stop video capture */
	192	if (res_check(fh, RESOURCE_VIDEO11)) {
	193	videobuf_queue_cancel(&fh->vidq);
	194	res_free(dev, fh, RESOURCE_VIDEO11);
	195	}
02b20b0b	196
1a9fc855 MCC	197	if (fh->vidq.read_buf) {
	198	buffer_release(&fh->vidq, fh->vidq.read_buf);
	199	kfree(fh->vidq.read_buf);
	200	}
02b20b0b	201
1a9fc855	202	videobuf_mmap_free(&fh->vidq);
02b20b0b	203
1a9fc855	204	v4l2_prio_close(&dev->prio, &fh->prio);
02b20b0b	205
1a9fc855 MCC	206	file->private_data = NULL;
1a9fc855 MCC	207	kfree(fh);
02b20b0b	208
1a9fc855	209	return 0;
02b20b0b MCC	210	}
02b20b0b MCC	211
02b20b0b MCC	212	static int vidioc_streamon(struct file file, void priv, enum v4l2_buf_type i)
02b20b0b MCC	213	{
1a9fc855 MCC	214	struct cx25821_fh *fh = priv;
1a9fc855 MCC	215	struct cx25821_dev *dev = fh->dev;
02b20b0b	216
1a9fc855 MCC	217	if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
	218	return -EINVAL;
	219	}
02b20b0b	220
1a9fc855 MCC	221	if (unlikely(i != fh->type)) {
	222	return -EINVAL;
	223	}
02b20b0b	224
1a9fc855 MCC	225	if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO11)))) {
	226	return -EBUSY;
	227	}
02b20b0b	228
1a9fc855	229	return videobuf_streamon(get_queue(fh));
02b20b0b MCC	230	}
	231
	232	static int vidioc_streamoff(struct file file, void priv, enum v4l2_buf_type i)
	233	{
1a9fc855 MCC	234	struct cx25821_fh *fh = priv;
	235	struct cx25821_dev *dev = fh->dev;
	236	int err, res;
	237
	238	if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
	239	return -EINVAL;
	240	if (i != fh->type)
	241	return -EINVAL;
	242
	243	res = get_resource(fh, RESOURCE_VIDEO11);
	244	err = videobuf_streamoff(get_queue(fh));
	245	if (err < 0)
	246	return err;
	247	res_free(dev, fh, res);
	248	return 0;
02b20b0b MCC	249	}
02b20b0b MCC	250
1a9fc855 MCC	251	static int vidioc_s_fmt_vid_cap(struct file file, void priv,
1a9fc855 MCC	252	struct v4l2_format *f)
02b20b0b	253	{
1a9fc855 MCC	254	struct cx25821_fh *fh = priv;
	255	struct cx25821_dev dev = ((struct cx25821_fh )priv)->dev;
	256	int err;
	257
	258	if (fh) {
	259	err = v4l2_prio_check(&dev->prio, &fh->prio);
	260	if (0 != err)
	261	return err;
	262	}
	263
	264	dprintk(2, "%s()\n", __func__);
	265	err = vidioc_try_fmt_vid_cap(file, priv, f);
02b20b0b	266
bb4c9a74	267	if (0 != err)
1a9fc855 MCC	268	return err;
	269	fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
	270	fh->width = f->fmt.pix.width;
	271	fh->height = f->fmt.pix.height;
	272	fh->vidq.field = f->fmt.pix.field;
	273	dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
	274	fh->height, fh->vidq.field);
	275	cx25821_call_all(dev, video, s_fmt, f);
	276	return 0;
02b20b0b MCC	277	}
02b20b0b MCC	278
1a9fc855 MCC	279	static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
1a9fc855 MCC	280	unsigned long arg)
bb4c9a74	281	{
1a9fc855 MCC	282	struct cx25821_fh *fh = file->private_data;
	283	struct cx25821_dev *dev = fh->dev;
	284	int command = 0;
	285	struct upstream_user_struct *data_from_user;
	286
	287	data_from_user = (struct upstream_user_struct *)arg;
	288
	289	if (!data_from_user) {
	290	printk
	291	("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
	292	__func__);
	293	return 0;
	294	}
bb4c9a74	295
1a9fc855	296	command = data_from_user->command;
bb4c9a74	297
1a9fc855 MCC	298	if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO) {
	299	return 0;
	300	}
02b20b0b	301
1a9fc855 MCC	302	dev->input_filename = data_from_user->input_filename;
	303	dev->input_audiofilename = data_from_user->input_filename;
	304	dev->vid_stdname = data_from_user->vid_stdname;
	305	dev->pixel_format = data_from_user->pixel_format;
	306	dev->channel_select = data_from_user->channel_select;
	307	dev->command = data_from_user->command;
bb4c9a74	308
1a9fc855	309	switch (command) {
bb4c9a74	310	case UPSTREAM_START_AUDIO:
1a9fc855 MCC	311	cx25821_start_upstream_audio(dev, data_from_user);
1a9fc855 MCC	312	break;
bb4c9a74 MCC	313
bb4c9a74 MCC	314	case UPSTREAM_STOP_AUDIO:
1a9fc855 MCC	315	cx25821_stop_upstream_audio(dev);
	316	break;
	317	}
bb4c9a74	318
1a9fc855	319	return 0;
02b20b0b MCC	320	}
	321
	322	static int vidioc_dqbuf(struct file file, void priv, struct v4l2_buffer *p)
	323	{
1a9fc855 MCC	324	struct cx25821_fh *fh = priv;
1a9fc855 MCC	325	return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
02b20b0b MCC	326	}
02b20b0b MCC	327
1a9fc855	328	static int vidioc_log_status(struct file file, void priv)
02b20b0b	329	{
1a9fc855 MCC	330	struct cx25821_dev dev = ((struct cx25821_fh )priv)->dev;
1a9fc855 MCC	331	char name[32 + 2];
02b20b0b	332
1a9fc855 MCC	333	snprintf(name, sizeof(name), "%s/2", dev->name);
1a9fc855 MCC	334	printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
02b20b0b	335	dev->name);
1a9fc855 MCC	336	cx25821_call_all(dev, core, log_status);
1a9fc855 MCC	337	printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
02b20b0b	338	dev->name);
1a9fc855	339	return 0;
02b20b0b MCC	340	}
	341
	342	static int vidioc_s_ctrl(struct file file, void priv,
1a9fc855	343	struct v4l2_control *ctl)
02b20b0b	344	{
1a9fc855 MCC	345	struct cx25821_fh *fh = priv;
	346	struct cx25821_dev *dev = fh->dev;
	347	int err;
	348
	349	if (fh) {
	350	err = v4l2_prio_check(&dev->prio, &fh->prio);
	351	if (0 != err)
	352	return err;
	353	}
	354	return 0;
02b20b0b	355	}
1a9fc855	356
02b20b0b MCC	357	// exported stuff
02b20b0b MCC	358	static const struct v4l2_file_operations video_fops = {
1a9fc855 MCC	359	.owner = THIS_MODULE,
	360	.open = video_open,
	361	.release = video_release,
	362	.read = video_read,
	363	.poll = video_poll,
	364	.mmap = video_mmap,
	365	.ioctl = video_ioctl_upstream11,
02b20b0b MCC	366	};
	367
	368	static const struct v4l2_ioctl_ops video_ioctl_ops = {
1a9fc855 MCC	369	.vidioc_querycap = vidioc_querycap,
	370	.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
	371	.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
	372	.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
	373	.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
	374	.vidioc_reqbufs = vidioc_reqbufs,
	375	.vidioc_querybuf = vidioc_querybuf,
	376	.vidioc_qbuf = vidioc_qbuf,
	377	.vidioc_dqbuf = vidioc_dqbuf,
02b20b0b	378	#ifdef TUNER_FLAG
1a9fc855 MCC	379	.vidioc_s_std = vidioc_s_std,
1a9fc855 MCC	380	.vidioc_querystd = vidioc_querystd,
02b20b0b	381	#endif
1a9fc855 MCC	382	.vidioc_cropcap = vidioc_cropcap,
	383	.vidioc_s_crop = vidioc_s_crop,
	384	.vidioc_g_crop = vidioc_g_crop,
	385	.vidioc_enum_input = vidioc_enum_input,
	386	.vidioc_g_input = vidioc_g_input,
	387	.vidioc_s_input = vidioc_s_input,
	388	.vidioc_g_ctrl = vidioc_g_ctrl,
	389	.vidioc_s_ctrl = vidioc_s_ctrl,
	390	.vidioc_queryctrl = vidioc_queryctrl,
	391	.vidioc_streamon = vidioc_streamon,
	392	.vidioc_streamoff = vidioc_streamoff,
	393	.vidioc_log_status = vidioc_log_status,
	394	.vidioc_g_priority = vidioc_g_priority,
	395	.vidioc_s_priority = vidioc_s_priority,
02b20b0b	396	#ifdef CONFIG_VIDEO_V4L1_COMPAT
1a9fc855	397	.vidiocgmbuf = vidiocgmbuf,
02b20b0b MCC	398	#endif
02b20b0b MCC	399	#ifdef TUNER_FLAG
1a9fc855 MCC	400	.vidioc_g_tuner = vidioc_g_tuner,
	401	.vidioc_s_tuner = vidioc_s_tuner,
	402	.vidioc_g_frequency = vidioc_g_frequency,
	403	.vidioc_s_frequency = vidioc_s_frequency,
02b20b0b MCC	404	#endif
02b20b0b MCC	405	#ifdef CONFIG_VIDEO_ADV_DEBUG
1a9fc855 MCC	406	.vidioc_g_register = vidioc_g_register,
1a9fc855 MCC	407	.vidioc_s_register = vidioc_s_register,
02b20b0b MCC	408	#endif
	409	};
	410
	411	struct video_device cx25821_video_template11 = {
1a9fc855 MCC	412	.name = "cx25821-audioupstream",
1a9fc855 MCC	413	.fops = &video_fops,
1a9fc855 MCC	414	.ioctl_ops = &video_ioctl_ops,
	415	.tvnorms = CX25821_NORMS,
	416	.current_norm = V4L2_STD_NTSC_M,
02b20b0b	417	};