[deliverable/linux.git] / drivers / media / platform / vivid / vivid-vbi-cap.c

/*
 * vivid-vbi-cap.c - vbi capture support functions.
 *
 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 *
 * This program is free software; you may redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>

#include "vivid-core.h"
#include "vivid-kthread-cap.h"
#include "vivid-vbi-cap.h"
#include "vivid-vbi-gen.h"

static void vivid_sliced_vbi_cap_fill(struct vivid_dev *dev, unsigned seqnr)
{
	struct vivid_vbi_gen_data *vbi_gen = &dev->vbi_gen;
	bool is_60hz = dev->std_cap & V4L2_STD_525_60;

	vivid_vbi_gen_sliced(vbi_gen, is_60hz, seqnr);

	if (!is_60hz) {
		if (dev->loop_video) {
			if (dev->vbi_out_have_wss) {
				vbi_gen->data[0].data[0] = dev->vbi_out_wss[0];
				vbi_gen->data[0].data[1] = dev->vbi_out_wss[1];
			} else {
				vbi_gen->data[0].id = 0;
			}
		} else {
			switch (tpg_g_video_aspect(&dev->tpg)) {
			case TPG_VIDEO_ASPECT_14X9_CENTRE:
				vbi_gen->data[0].data[0] = 0x01;
				break;
			case TPG_VIDEO_ASPECT_16X9_CENTRE:
				vbi_gen->data[0].data[0] = 0x0b;
				break;
			case TPG_VIDEO_ASPECT_16X9_ANAMORPHIC:
				vbi_gen->data[0].data[0] = 0x07;
				break;
			case TPG_VIDEO_ASPECT_4X3:
			default:
				vbi_gen->data[0].data[0] = 0x08;
				break;
			}
		}
	} else if (dev->loop_video && is_60hz) {
		if (dev->vbi_out_have_cc[0]) {
			vbi_gen->data[0].data[0] = dev->vbi_out_cc[0][0];
			vbi_gen->data[0].data[1] = dev->vbi_out_cc[0][1];
		} else {
			vbi_gen->data[0].id = 0;
		}
		if (dev->vbi_out_have_cc[1]) {
			vbi_gen->data[1].data[0] = dev->vbi_out_cc[1][0];
			vbi_gen->data[1].data[1] = dev->vbi_out_cc[1][1];
		} else {
			vbi_gen->data[1].id = 0;
		}
	}
}

static void vivid_g_fmt_vbi_cap(struct vivid_dev *dev, struct v4l2_vbi_format *vbi)
{
	bool is_60hz = dev->std_cap & V4L2_STD_525_60;

	vbi->sampling_rate = 27000000;
	vbi->offset = 24;
	vbi->samples_per_line = 1440;
	vbi->sample_format = V4L2_PIX_FMT_GREY;
	vbi->start[0] = is_60hz ? 10 : 6;
	vbi->start[1] = is_60hz ? 273 : 318;
	vbi->count[0] = vbi->count[1] = is_60hz ? 12 : 18;
	vbi->flags = dev->vbi_cap_interlaced ? V4L2_VBI_INTERLACED : 0;
	vbi->reserved[0] = 0;
	vbi->reserved[1] = 0;
}

void vivid_raw_vbi_cap_process(struct vivid_dev *dev, struct vivid_buffer *buf)
{
	struct v4l2_vbi_format vbi;
	u8 *vbuf = vb2_plane_vaddr(&buf->vb, 0);

	vivid_g_fmt_vbi_cap(dev, &vbi);
	buf->vb.v4l2_buf.sequence = dev->vbi_cap_seq_count;
	if (dev->field_cap == V4L2_FIELD_ALTERNATE)
		buf->vb.v4l2_buf.sequence /= 2;

	vivid_sliced_vbi_cap_fill(dev, buf->vb.v4l2_buf.sequence);

	memset(vbuf, 0x10, vb2_plane_size(&buf->vb, 0));

	if (!VIVID_INVALID_SIGNAL(dev->std_signal_mode))
		vivid_vbi_gen_raw(&dev->vbi_gen, &vbi, vbuf);

	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
	buf->vb.v4l2_buf.timestamp.tv_sec += dev->time_wrap_offset;
}


void vivid_sliced_vbi_cap_process(struct vivid_dev *dev, struct vivid_buffer *buf)
{
	struct v4l2_sliced_vbi_data *vbuf = vb2_plane_vaddr(&buf->vb, 0);

	buf->vb.v4l2_buf.sequence = dev->vbi_cap_seq_count;
	if (dev->field_cap == V4L2_FIELD_ALTERNATE)
		buf->vb.v4l2_buf.sequence /= 2;

	vivid_sliced_vbi_cap_fill(dev, buf->vb.v4l2_buf.sequence);

	memset(vbuf, 0, vb2_plane_size(&buf->vb, 0));
	if (!VIVID_INVALID_SIGNAL(dev->std_signal_mode)) {
		vbuf[0] = dev->vbi_gen.data[0];
		vbuf[1] = dev->vbi_gen.data[1];
	}

	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
	buf->vb.v4l2_buf.timestamp.tv_sec += dev->time_wrap_offset;
}

static int vbi_cap_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
		       unsigned *nbuffers, unsigned *nplanes,
		       unsigned sizes[], void *alloc_ctxs[])
{
	struct vivid_dev *dev = vb2_get_drv_priv(vq);
	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
	unsigned size = vq->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE ?
		36 * sizeof(struct v4l2_sliced_vbi_data) :
		1440 * 2 * (is_60hz ? 12 : 18);

	if (!vivid_is_sdtv_cap(dev))
		return -EINVAL;

	sizes[0] = size;

	if (vq->num_buffers + *nbuffers < 2)
		*nbuffers = 2 - vq->num_buffers;

	*nplanes = 1;
	return 0;
}

static int vbi_cap_buf_prepare(struct vb2_buffer *vb)
{
	struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
	unsigned size = vb->vb2_queue->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE ?
		36 * sizeof(struct v4l2_sliced_vbi_data) :
		1440 * 2 * (is_60hz ? 12 : 18);

	dprintk(dev, 1, "%s\n", __func__);

	if (dev->buf_prepare_error) {
		/*
		 * Error injection: test what happens if buf_prepare() returns
		 * an error.
		 */
		dev->buf_prepare_error = false;
		return -EINVAL;
	}
	if (vb2_plane_size(vb, 0) < size) {
		dprintk(dev, 1, "%s data will not fit into plane (%lu < %u)\n",
				__func__, vb2_plane_size(vb, 0), size);
		return -EINVAL;
	}
	vb2_set_plane_payload(vb, 0, size);

	return 0;
}

static void vbi_cap_buf_queue(struct vb2_buffer *vb)
{
	struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
	struct vivid_buffer *buf = container_of(vb, struct vivid_buffer, vb);

	dprintk(dev, 1, "%s\n", __func__);

	spin_lock(&dev->slock);
	list_add_tail(&buf->list, &dev->vbi_cap_active);
	spin_unlock(&dev->slock);
}

static int vbi_cap_start_streaming(struct vb2_queue *vq, unsigned count)
{
	struct vivid_dev *dev = vb2_get_drv_priv(vq);
	int err;

	dprintk(dev, 1, "%s\n", __func__);
	dev->vbi_cap_seq_count = 0;
	if (dev->start_streaming_error) {
		dev->start_streaming_error = false;
		err = -EINVAL;
	} else {
		err = vivid_start_generating_vid_cap(dev, &dev->vbi_cap_streaming);
	}
	if (err) {
		struct vivid_buffer *buf, *tmp;

		list_for_each_entry_safe(buf, tmp, &dev->vbi_cap_active, list) {
			list_del(&buf->list);
			vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
		}
	}
	return err;
}

/* abort streaming and wait for last buffer */
static void vbi_cap_stop_streaming(struct vb2_queue *vq)
{
	struct vivid_dev *dev = vb2_get_drv_priv(vq);

	dprintk(dev, 1, "%s\n", __func__);
	vivid_stop_generating_vid_cap(dev, &dev->vbi_cap_streaming);
}

const struct vb2_ops vivid_vbi_cap_qops = {
	.queue_setup		= vbi_cap_queue_setup,
	.buf_prepare		= vbi_cap_buf_prepare,
	.buf_queue		= vbi_cap_buf_queue,
	.start_streaming	= vbi_cap_start_streaming,
	.stop_streaming		= vbi_cap_stop_streaming,
	.wait_prepare		= vivid_unlock,
	.wait_finish		= vivid_lock,
};

int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
					struct v4l2_format *f)
{
	struct vivid_dev *dev = video_drvdata(file);
	struct v4l2_vbi_format *vbi = &f->fmt.vbi;

	if (!vivid_is_sdtv_cap(dev) || !dev->has_raw_vbi_cap)
		return -EINVAL;

	vivid_g_fmt_vbi_cap(dev, vbi);
	return 0;
}

int vidioc_s_fmt_vbi_cap(struct file *file, void *priv,
					struct v4l2_format *f)
{
	struct vivid_dev *dev = video_drvdata(file);
	int ret = vidioc_g_fmt_vbi_cap(file, priv, f);

	if (ret)
		return ret;
	if (dev->stream_sliced_vbi_cap && vb2_is_busy(&dev->vb_vbi_cap_q))
		return -EBUSY;
	dev->stream_sliced_vbi_cap = false;
	dev->vbi_cap_dev.queue->type = V4L2_BUF_TYPE_VBI_CAPTURE;
	return 0;
}

void vivid_fill_service_lines(struct v4l2_sliced_vbi_format *vbi, u32 service_set)
{
	vbi->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
	vbi->service_set = service_set;
	memset(vbi->service_lines, 0, sizeof(vbi->service_lines));
	memset(vbi->reserved, 0, sizeof(vbi->reserved));

	if (vbi->service_set == 0)
		return;

	if (vbi->service_set & V4L2_SLICED_CAPTION_525) {
		vbi->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
		vbi->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
	}
	if (vbi->service_set & V4L2_SLICED_WSS_625)
		vbi->service_lines[0][23] = V4L2_SLICED_WSS_625;
}

int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
	struct vivid_dev *dev = video_drvdata(file);
	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;

	if (!vivid_is_sdtv_cap(dev) || !dev->has_sliced_vbi_cap)
		return -EINVAL;

	vivid_fill_service_lines(vbi, dev->service_set_cap);
	return 0;
}

int vidioc_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
	struct vivid_dev *dev = video_drvdata(file);
	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
	u32 service_set = vbi->service_set;

	if (!vivid_is_sdtv_cap(dev) || !dev->has_sliced_vbi_cap)
		return -EINVAL;

	service_set &= is_60hz ? V4L2_SLICED_CAPTION_525 : V4L2_SLICED_WSS_625;
	vivid_fill_service_lines(vbi, service_set);
	return 0;
}

int vidioc_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
	struct vivid_dev *dev = video_drvdata(file);
	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
	int ret = vidioc_try_fmt_sliced_vbi_cap(file, fh, fmt);

	if (ret)
		return ret;
	if (!dev->stream_sliced_vbi_cap && vb2_is_busy(&dev->vb_vbi_cap_q))
		return -EBUSY;
	dev->service_set_cap = vbi->service_set;
	dev->stream_sliced_vbi_cap = true;
	dev->vbi_cap_dev.queue->type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
	return 0;
}

int vidioc_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
{
	struct vivid_dev *dev = video_drvdata(file);
	struct video_device *vdev = video_devdata(file);
	bool is_60hz;

	if (vdev->vfl_dir == VFL_DIR_RX) {
		is_60hz = dev->std_cap & V4L2_STD_525_60;
		if (!vivid_is_sdtv_cap(dev) || !dev->has_sliced_vbi_cap ||
		    cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
			return -EINVAL;
	} else {
		is_60hz = dev->std_out & V4L2_STD_525_60;
		if (!vivid_is_svid_out(dev) || !dev->has_sliced_vbi_out ||
		    cap->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
			return -EINVAL;
	}

	cap->service_set = is_60hz ? V4L2_SLICED_CAPTION_525 : V4L2_SLICED_WSS_625;
	if (is_60hz) {
		cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
		cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
	} else {
		cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
	}
	return 0;
}
Commit	Line	Data
7bb70caa HV	1	/*
	2	* vivid-vbi-cap.c - vbi capture support functions.
	3	*
	4	* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
	5	*
	6	* This program is free software; you may redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; version 2 of the License.
	9	*
	10	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	11	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	12	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	13	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	14	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	15	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	16	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	17	* SOFTWARE.
	18	*/
	19
	20	#include <linux/errno.h>
	21	#include <linux/kernel.h>
	22	#include <linux/videodev2.h>
	23	#include <media/v4l2-common.h>
	24
	25	#include "vivid-core.h"
	26	#include "vivid-kthread-cap.h"
	27	#include "vivid-vbi-cap.h"
	28	#include "vivid-vbi-gen.h"
	29
	30	static void vivid_sliced_vbi_cap_fill(struct vivid_dev *dev, unsigned seqnr)
	31	{
	32	struct vivid_vbi_gen_data *vbi_gen = &dev->vbi_gen;
	33	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
	34
	35	vivid_vbi_gen_sliced(vbi_gen, is_60hz, seqnr);
	36
	37	if (!is_60hz) {
	38	if (dev->loop_video) {
	39	if (dev->vbi_out_have_wss) {
	40	vbi_gen->data[0].data[0] = dev->vbi_out_wss[0];
	41	vbi_gen->data[0].data[1] = dev->vbi_out_wss[1];
	42	} else {
	43	vbi_gen->data[0].id = 0;
	44	}
	45	} else {
	46	switch (tpg_g_video_aspect(&dev->tpg)) {
	47	case TPG_VIDEO_ASPECT_14X9_CENTRE:
	48	vbi_gen->data[0].data[0] = 0x01;
	49	break;
	50	case TPG_VIDEO_ASPECT_16X9_CENTRE:
	51	vbi_gen->data[0].data[0] = 0x0b;
	52	break;
	53	case TPG_VIDEO_ASPECT_16X9_ANAMORPHIC:
	54	vbi_gen->data[0].data[0] = 0x07;
	55	break;
	56	case TPG_VIDEO_ASPECT_4X3:
	57	default:
	58	vbi_gen->data[0].data[0] = 0x08;
	59	break;
	60	}
	61	}
	62	} else if (dev->loop_video && is_60hz) {
	63	if (dev->vbi_out_have_cc[0]) {
	64	vbi_gen->data[0].data[0] = dev->vbi_out_cc[0][0];
65	vbi_gen->data[0].data[1] = dev->vbi_out_cc[0][1];
66	} else {
67	vbi_gen->data[0].id = 0;
68	}
69	if (dev->vbi_out_have_cc[1]) {
70	vbi_gen->data[1].data[0] = dev->vbi_out_cc[1][0];
71	vbi_gen->data[1].data[1] = dev->vbi_out_cc[1][1];
72	} else {
73	vbi_gen->data[1].id = 0;
74	}
75	}
76	}
77
78	static void vivid_g_fmt_vbi_cap(struct vivid_dev dev, struct v4l2_vbi_format vbi)
79	{
80	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
81
82	vbi->sampling_rate = 27000000;
83	vbi->offset = 24;
84	vbi->samples_per_line = 1440;
85	vbi->sample_format = V4L2_PIX_FMT_GREY;
86	vbi->start[0] = is_60hz ? 10 : 6;
87	vbi->start[1] = is_60hz ? 273 : 318;
88	vbi->count[0] = vbi->count[1] = is_60hz ? 12 : 18;
89	vbi->flags = dev->vbi_cap_interlaced ? V4L2_VBI_INTERLACED : 0;
90	vbi->reserved[0] = 0;
91	vbi->reserved[1] = 0;
92	}
93
94	void vivid_raw_vbi_cap_process(struct vivid_dev dev, struct vivid_buffer buf)
95	{
96	struct v4l2_vbi_format vbi;
97	u8 *vbuf = vb2_plane_vaddr(&buf->vb, 0);
98
99	vivid_g_fmt_vbi_cap(dev, &vbi);
100	buf->vb.v4l2_buf.sequence = dev->vbi_cap_seq_count;
101	if (dev->field_cap == V4L2_FIELD_ALTERNATE)
102	buf->vb.v4l2_buf.sequence /= 2;
103
104	vivid_sliced_vbi_cap_fill(dev, buf->vb.v4l2_buf.sequence);
105
106	memset(vbuf, 0x10, vb2_plane_size(&buf->vb, 0));
107
108	if (!VIVID_INVALID_SIGNAL(dev->std_signal_mode))
109	vivid_vbi_gen_raw(&dev->vbi_gen, &vbi, vbuf);
110
111	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
112	buf->vb.v4l2_buf.timestamp.tv_sec += dev->time_wrap_offset;
113	}
114
115
116	void vivid_sliced_vbi_cap_process(struct vivid_dev dev, struct vivid_buffer buf)
117	{
118	struct v4l2_sliced_vbi_data *vbuf = vb2_plane_vaddr(&buf->vb, 0);
119
120	buf->vb.v4l2_buf.sequence = dev->vbi_cap_seq_count;
121	if (dev->field_cap == V4L2_FIELD_ALTERNATE)
122	buf->vb.v4l2_buf.sequence /= 2;
123
124	vivid_sliced_vbi_cap_fill(dev, buf->vb.v4l2_buf.sequence);
125
126	memset(vbuf, 0, vb2_plane_size(&buf->vb, 0));
127	if (!VIVID_INVALID_SIGNAL(dev->std_signal_mode)) {
128	vbuf[0] = dev->vbi_gen.data[0];
129	vbuf[1] = dev->vbi_gen.data[1];
130	}
131
132	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
133	buf->vb.v4l2_buf.timestamp.tv_sec += dev->time_wrap_offset;
134	}
135
136	static int vbi_cap_queue_setup(struct vb2_queue vq, const struct v4l2_format fmt,
137	unsigned nbuffers, unsigned nplanes,
138	unsigned sizes[], void *alloc_ctxs[])
139	{
140	struct vivid_dev *dev = vb2_get_drv_priv(vq);
141	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
142	unsigned size = vq->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE ?
143	36 * sizeof(struct v4l2_sliced_vbi_data) :
144	1440 * 2 * (is_60hz ? 12 : 18);
145
146	if (!vivid_is_sdtv_cap(dev))
147	return -EINVAL;
148
149	sizes[0] = size;
150
151	if (vq->num_buffers + *nbuffers < 2)
152	*nbuffers = 2 - vq->num_buffers;
153
154	*nplanes = 1;
155	return 0;
156	}
157
158	static int vbi_cap_buf_prepare(struct vb2_buffer *vb)
159	{
160	struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
161	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
162	unsigned size = vb->vb2_queue->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE ?
163	36 * sizeof(struct v4l2_sliced_vbi_data) :
164	1440 * 2 * (is_60hz ? 12 : 18);
165
166	dprintk(dev, 1, "%s\n", __func__);
167
168	if (dev->buf_prepare_error) {
169	/*
170	* Error injection: test what happens if buf_prepare() returns
171	* an error.
172	*/
173	dev->buf_prepare_error = false;
174	return -EINVAL;
175	}
176	if (vb2_plane_size(vb, 0) < size) {
177	dprintk(dev, 1, "%s data will not fit into plane (%lu < %u)\n",
178	__func__, vb2_plane_size(vb, 0), size);
179	return -EINVAL;
180	}
181	vb2_set_plane_payload(vb, 0, size);
182
183	return 0;
184	}
185
186	static void vbi_cap_buf_queue(struct vb2_buffer *vb)
187	{
188	struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
189	struct vivid_buffer *buf = container_of(vb, struct vivid_buffer, vb);
190
191	dprintk(dev, 1, "%s\n", __func__);
192
193	spin_lock(&dev->slock);
194	list_add_tail(&buf->list, &dev->vbi_cap_active);
195	spin_unlock(&dev->slock);
196	}
197
198	static int vbi_cap_start_streaming(struct vb2_queue *vq, unsigned count)
199	{
200	struct vivid_dev *dev = vb2_get_drv_priv(vq);
201	int err;
202
203	dprintk(dev, 1, "%s\n", __func__);
204	dev->vbi_cap_seq_count = 0;
205	if (dev->start_streaming_error) {
206	dev->start_streaming_error = false;
207	err = -EINVAL;
208	} else {
209	err = vivid_start_generating_vid_cap(dev, &dev->vbi_cap_streaming);
210	}
211	if (err) {
212	struct vivid_buffer buf, tmp;
213
214	list_for_each_entry_safe(buf, tmp, &dev->vbi_cap_active, list) {
215	list_del(&buf->list);
216	vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
217	}
218	}
219	return err;
220	}
221
222	/* abort streaming and wait for last buffer */
223	static void vbi_cap_stop_streaming(struct vb2_queue *vq)
224	{
225	struct vivid_dev *dev = vb2_get_drv_priv(vq);
226
227	dprintk(dev, 1, "%s\n", __func__);
228	vivid_stop_generating_vid_cap(dev, &dev->vbi_cap_streaming);
229	}
230
231	const struct vb2_ops vivid_vbi_cap_qops = {
232	.queue_setup = vbi_cap_queue_setup,
233	.buf_prepare = vbi_cap_buf_prepare,
234	.buf_queue = vbi_cap_buf_queue,
235	.start_streaming = vbi_cap_start_streaming,
236	.stop_streaming = vbi_cap_stop_streaming,
237	.wait_prepare = vivid_unlock,
238	.wait_finish = vivid_lock,
239	};
240
241	int vidioc_g_fmt_vbi_cap(struct file file, void priv,
242	struct v4l2_format *f)
243	{
244	struct vivid_dev *dev = video_drvdata(file);
245	struct v4l2_vbi_format *vbi = &f->fmt.vbi;
246
247	if (!vivid_is_sdtv_cap(dev) \|\| !dev->has_raw_vbi_cap)
248	return -EINVAL;
249
250	vivid_g_fmt_vbi_cap(dev, vbi);
251	return 0;
252	}
253
254	int vidioc_s_fmt_vbi_cap(struct file file, void priv,
255	struct v4l2_format *f)
256	{
257	struct vivid_dev *dev = video_drvdata(file);
258	int ret = vidioc_g_fmt_vbi_cap(file, priv, f);
259
260	if (ret)
261	return ret;
262	if (dev->stream_sliced_vbi_cap && vb2_is_busy(&dev->vb_vbi_cap_q))
263	return -EBUSY;
264	dev->stream_sliced_vbi_cap = false;
265	dev->vbi_cap_dev.queue->type = V4L2_BUF_TYPE_VBI_CAPTURE;
266	return 0;
267	}
268
269	void vivid_fill_service_lines(struct v4l2_sliced_vbi_format *vbi, u32 service_set)
270	{
271	vbi->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
272	vbi->service_set = service_set;
273	memset(vbi->service_lines, 0, sizeof(vbi->service_lines));
274	memset(vbi->reserved, 0, sizeof(vbi->reserved));
275
276	if (vbi->service_set == 0)
277	return;
278
279	if (vbi->service_set & V4L2_SLICED_CAPTION_525) {
280	vbi->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
281	vbi->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
282	}
283	if (vbi->service_set & V4L2_SLICED_WSS_625)
284	vbi->service_lines[0][23] = V4L2_SLICED_WSS_625;
285	}
286
287	int vidioc_g_fmt_sliced_vbi_cap(struct file file, void fh, struct v4l2_format *fmt)
288	{
289	struct vivid_dev *dev = video_drvdata(file);
290	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
291
292	if (!vivid_is_sdtv_cap(dev) \|\| !dev->has_sliced_vbi_cap)
293	return -EINVAL;
294
295	vivid_fill_service_lines(vbi, dev->service_set_cap);
296	return 0;
297	}
298
299	int vidioc_try_fmt_sliced_vbi_cap(struct file file, void fh, struct v4l2_format *fmt)
300	{
301	struct vivid_dev *dev = video_drvdata(file);
302	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
303	bool is_60hz = dev->std_cap & V4L2_STD_525_60;
304	u32 service_set = vbi->service_set;
305
306	if (!vivid_is_sdtv_cap(dev) \|\| !dev->has_sliced_vbi_cap)
307	return -EINVAL;
308
309	service_set &= is_60hz ? V4L2_SLICED_CAPTION_525 : V4L2_SLICED_WSS_625;
310	vivid_fill_service_lines(vbi, service_set);
311	return 0;
312	}
313
314	int vidioc_s_fmt_sliced_vbi_cap(struct file file, void fh, struct v4l2_format *fmt)
315	{
316	struct vivid_dev *dev = video_drvdata(file);
317	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
318	int ret = vidioc_try_fmt_sliced_vbi_cap(file, fh, fmt);
319
320	if (ret)
321	return ret;
322	if (!dev->stream_sliced_vbi_cap && vb2_is_busy(&dev->vb_vbi_cap_q))
323	return -EBUSY;
324	dev->service_set_cap = vbi->service_set;
325	dev->stream_sliced_vbi_cap = true;
326	dev->vbi_cap_dev.queue->type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
327	return 0;
328	}
329
330	int vidioc_g_sliced_vbi_cap(struct file file, void fh, struct v4l2_sliced_vbi_cap *cap)
331	{
332	struct vivid_dev *dev = video_drvdata(file);
333	struct video_device *vdev = video_devdata(file);
334	bool is_60hz;
335
336	if (vdev->vfl_dir == VFL_DIR_RX) {
337	is_60hz = dev->std_cap & V4L2_STD_525_60;
338	if (!vivid_is_sdtv_cap(dev) \|\| !dev->has_sliced_vbi_cap \|\|
339	cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
340	return -EINVAL;
341	} else {
342	is_60hz = dev->std_out & V4L2_STD_525_60;
343	if (!vivid_is_svid_out(dev) \|\| !dev->has_sliced_vbi_out \|\|
344	cap->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
345	return -EINVAL;
346	}
347
348	cap->service_set = is_60hz ? V4L2_SLICED_CAPTION_525 : V4L2_SLICED_WSS_625;
349	if (is_60hz) {
350	cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
351	cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
352	} else {
353	cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
354	}
355	return 0;
356	}