Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * vivid-vbi-out.c - vbi output support functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <media/v4l2-common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include "vivid-core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include "vivid-kthread-out.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include "vivid-vbi-out.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include "vivid-vbi-cap.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) static int vbi_out_queue_setup(struct vb2_queue *vq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 		       unsigned *nbuffers, unsigned *nplanes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 		       unsigned sizes[], struct device *alloc_devs[])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	struct vivid_dev *dev = vb2_get_drv_priv(vq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	bool is_60hz = dev->std_out & V4L2_STD_525_60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	unsigned size = vq->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 		36 * sizeof(struct v4l2_sliced_vbi_data) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 		1440 * 2 * (is_60hz ? 12 : 18);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	if (!vivid_is_svid_out(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	sizes[0] = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	if (vq->num_buffers + *nbuffers < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 		*nbuffers = 2 - vq->num_buffers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	*nplanes = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) static int vbi_out_buf_prepare(struct vb2_buffer *vb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	bool is_60hz = dev->std_out & V4L2_STD_525_60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	unsigned size = vb->vb2_queue->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		36 * sizeof(struct v4l2_sliced_vbi_data) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		1440 * 2 * (is_60hz ? 12 : 18);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	dprintk(dev, 1, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	if (dev->buf_prepare_error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		 * Error injection: test what happens if buf_prepare() returns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		 * an error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		dev->buf_prepare_error = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	if (vb2_plane_size(vb, 0) < size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		dprintk(dev, 1, "%s data will not fit into plane (%lu < %u)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 				__func__, vb2_plane_size(vb, 0), size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	vb2_set_plane_payload(vb, 0, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) static void vbi_out_buf_queue(struct vb2_buffer *vb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	dprintk(dev, 1, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	spin_lock(&dev->slock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	list_add_tail(&buf->list, &dev->vbi_out_active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	spin_unlock(&dev->slock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) static int vbi_out_start_streaming(struct vb2_queue *vq, unsigned count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	struct vivid_dev *dev = vb2_get_drv_priv(vq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	dprintk(dev, 1, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	dev->vbi_out_seq_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	if (dev->start_streaming_error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		dev->start_streaming_error = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		err = vivid_start_generating_vid_out(dev, &dev->vbi_out_streaming);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		struct vivid_buffer *buf, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		list_for_each_entry_safe(buf, tmp, &dev->vbi_out_active, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 			list_del(&buf->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			vb2_buffer_done(&buf->vb.vb2_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 					VB2_BUF_STATE_QUEUED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /* abort streaming and wait for last buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static void vbi_out_stop_streaming(struct vb2_queue *vq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	struct vivid_dev *dev = vb2_get_drv_priv(vq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	dprintk(dev, 1, "%s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	vivid_stop_generating_vid_out(dev, &dev->vbi_out_streaming);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	dev->vbi_out_have_wss = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	dev->vbi_out_have_cc[0] = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	dev->vbi_out_have_cc[1] = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static void vbi_out_buf_request_complete(struct vb2_buffer *vb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	v4l2_ctrl_request_complete(vb->req_obj.req, &dev->ctrl_hdl_vbi_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) const struct vb2_ops vivid_vbi_out_qops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	.queue_setup		= vbi_out_queue_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	.buf_prepare		= vbi_out_buf_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	.buf_queue		= vbi_out_buf_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	.start_streaming	= vbi_out_start_streaming,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	.stop_streaming		= vbi_out_stop_streaming,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	.buf_request_complete	= vbi_out_buf_request_complete,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	.wait_prepare		= vb2_ops_wait_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	.wait_finish		= vb2_ops_wait_finish,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int vidioc_g_fmt_vbi_out(struct file *file, void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 					struct v4l2_format *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	struct vivid_dev *dev = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	struct v4l2_vbi_format *vbi = &f->fmt.vbi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	bool is_60hz = dev->std_out & V4L2_STD_525_60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	if (!vivid_is_svid_out(dev) || !dev->has_raw_vbi_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	vbi->sampling_rate = 25000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	vbi->offset = 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	vbi->samples_per_line = 1440;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	vbi->sample_format = V4L2_PIX_FMT_GREY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	vbi->start[0] = is_60hz ? V4L2_VBI_ITU_525_F1_START + 9 : V4L2_VBI_ITU_625_F1_START + 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	vbi->start[1] = is_60hz ? V4L2_VBI_ITU_525_F2_START + 9 : V4L2_VBI_ITU_625_F2_START + 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	vbi->count[0] = vbi->count[1] = is_60hz ? 12 : 18;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	vbi->flags = dev->vbi_cap_interlaced ? V4L2_VBI_INTERLACED : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	vbi->reserved[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	vbi->reserved[1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) int vidioc_s_fmt_vbi_out(struct file *file, void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 					struct v4l2_format *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	struct vivid_dev *dev = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	int ret = vidioc_g_fmt_vbi_out(file, priv, f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (vb2_is_busy(&dev->vb_vbi_out_q))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	dev->stream_sliced_vbi_out = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	dev->vbi_out_dev.queue->type = V4L2_BUF_TYPE_VBI_OUTPUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int vidioc_g_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	struct vivid_dev *dev = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	if (!vivid_is_svid_out(dev) || !dev->has_sliced_vbi_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	vivid_fill_service_lines(vbi, dev->service_set_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) int vidioc_try_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	struct vivid_dev *dev = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	bool is_60hz = dev->std_out & V4L2_STD_525_60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	u32 service_set = vbi->service_set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	if (!vivid_is_svid_out(dev) || !dev->has_sliced_vbi_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	service_set &= is_60hz ? V4L2_SLICED_CAPTION_525 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 				 V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	vivid_fill_service_lines(vbi, service_set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) int vidioc_s_fmt_sliced_vbi_out(struct file *file, void *fh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		struct v4l2_format *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	struct vivid_dev *dev = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	struct v4l2_sliced_vbi_format *vbi = &fmt->fmt.sliced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	int ret = vidioc_try_fmt_sliced_vbi_out(file, fh, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	if (vb2_is_busy(&dev->vb_vbi_out_q))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	dev->service_set_out = vbi->service_set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	dev->stream_sliced_vbi_out = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	dev->vbi_out_dev.queue->type = V4L2_BUF_TYPE_SLICED_VBI_OUTPUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) void vivid_sliced_vbi_out_process(struct vivid_dev *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		struct vivid_buffer *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	struct v4l2_sliced_vbi_data *vbi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	unsigned elems =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		vb2_get_plane_payload(&buf->vb.vb2_buf, 0) / sizeof(*vbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	dev->vbi_out_have_cc[0] = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	dev->vbi_out_have_cc[1] = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	dev->vbi_out_have_wss = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	while (elems--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		switch (vbi->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		case V4L2_SLICED_CAPTION_525:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 			if ((dev->std_out & V4L2_STD_525_60) && vbi->line == 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 				dev->vbi_out_have_cc[!!vbi->field] = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 				dev->vbi_out_cc[!!vbi->field][0] = vbi->data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 				dev->vbi_out_cc[!!vbi->field][1] = vbi->data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		case V4L2_SLICED_WSS_625:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			if ((dev->std_out & V4L2_STD_625_50) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			    vbi->field == 0 && vbi->line == 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 				dev->vbi_out_have_wss = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 				dev->vbi_out_wss[0] = vbi->data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 				dev->vbi_out_wss[1] = vbi->data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		vbi++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }