Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1 | /* |
| 2 | * vivid-vid-out.c - video output 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/sched.h> |
| 23 | #include <linux/videodev2.h> |
| 24 | #include <linux/v4l2-dv-timings.h> |
| 25 | #include <media/v4l2-common.h> |
| 26 | #include <media/v4l2-event.h> |
| 27 | #include <media/v4l2-dv-timings.h> |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 28 | #include <media/v4l2-rect.h> |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 29 | |
| 30 | #include "vivid-core.h" |
| 31 | #include "vivid-vid-common.h" |
| 32 | #include "vivid-kthread-out.h" |
| 33 | #include "vivid-vid-out.h" |
| 34 | |
Hans Verkuil | df9ecb0 | 2015-10-28 00:50:37 -0200 | [diff] [blame] | 35 | static int vid_out_queue_setup(struct vb2_queue *vq, |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 36 | unsigned *nbuffers, unsigned *nplanes, |
Hans Verkuil | 36c0f8b | 2016-04-15 09:15:05 -0300 | [diff] [blame^] | 37 | unsigned sizes[], struct device *alloc_devs[]) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 38 | { |
| 39 | struct vivid_dev *dev = vb2_get_drv_priv(vq); |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 40 | const struct vivid_fmt *vfmt = dev->fmt_out; |
| 41 | unsigned planes = vfmt->buffers; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 42 | unsigned h = dev->fmt_out_rect.height; |
| 43 | unsigned size = dev->bytesperline_out[0] * h; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 44 | unsigned p; |
| 45 | |
| 46 | for (p = vfmt->buffers; p < vfmt->planes; p++) |
Hans Verkuil | 1f9f23f | 2015-03-09 12:06:27 -0300 | [diff] [blame] | 47 | size += dev->bytesperline_out[p] * h / vfmt->vdownsampling[p]; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 48 | |
| 49 | if (dev->field_out == V4L2_FIELD_ALTERNATE) { |
| 50 | /* |
| 51 | * You cannot use write() with FIELD_ALTERNATE since the field |
| 52 | * information (TOP/BOTTOM) cannot be passed to the kernel. |
| 53 | */ |
| 54 | if (vb2_fileio_is_active(vq)) |
| 55 | return -EINVAL; |
| 56 | } |
| 57 | |
| 58 | if (dev->queue_setup_error) { |
| 59 | /* |
| 60 | * Error injection: test what happens if queue_setup() returns |
| 61 | * an error. |
| 62 | */ |
| 63 | dev->queue_setup_error = false; |
| 64 | return -EINVAL; |
| 65 | } |
| 66 | |
Hans Verkuil | df9ecb0 | 2015-10-28 00:50:37 -0200 | [diff] [blame] | 67 | if (*nplanes) { |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 68 | /* |
Hans Verkuil | df9ecb0 | 2015-10-28 00:50:37 -0200 | [diff] [blame] | 69 | * Check if the number of requested planes match |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 70 | * the number of planes in the current format. You can't mix that. |
| 71 | */ |
Hans Verkuil | df9ecb0 | 2015-10-28 00:50:37 -0200 | [diff] [blame] | 72 | if (*nplanes != planes) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 73 | return -EINVAL; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 74 | if (sizes[0] < size) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 75 | return -EINVAL; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 76 | for (p = 1; p < planes; p++) { |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 77 | if (sizes[p] < dev->bytesperline_out[p] * h) |
| 78 | return -EINVAL; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 79 | } |
| 80 | } else { |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 81 | for (p = 0; p < planes; p++) |
| 82 | sizes[p] = p ? dev->bytesperline_out[p] * h : size; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | if (vq->num_buffers + *nbuffers < 2) |
| 86 | *nbuffers = 2 - vq->num_buffers; |
| 87 | |
| 88 | *nplanes = planes; |
| 89 | |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 90 | dprintk(dev, 1, "%s: count=%d\n", __func__, *nbuffers); |
| 91 | for (p = 0; p < planes; p++) |
| 92 | dprintk(dev, 1, "%s: size[%u]=%u\n", __func__, p, sizes[p]); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | static int vid_out_buf_prepare(struct vb2_buffer *vb) |
| 97 | { |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 98 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 99 | struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); |
| 100 | unsigned long size; |
Tapasweni Pathak | 4eaa3a6 | 2015-03-05 23:39:40 -0300 | [diff] [blame] | 101 | unsigned planes; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 102 | unsigned p; |
| 103 | |
| 104 | dprintk(dev, 1, "%s\n", __func__); |
| 105 | |
| 106 | if (WARN_ON(NULL == dev->fmt_out)) |
| 107 | return -EINVAL; |
| 108 | |
Tapasweni Pathak | 4eaa3a6 | 2015-03-05 23:39:40 -0300 | [diff] [blame] | 109 | planes = dev->fmt_out->planes; |
| 110 | |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 111 | if (dev->buf_prepare_error) { |
| 112 | /* |
| 113 | * Error injection: test what happens if buf_prepare() returns |
| 114 | * an error. |
| 115 | */ |
| 116 | dev->buf_prepare_error = false; |
| 117 | return -EINVAL; |
| 118 | } |
| 119 | |
| 120 | if (dev->field_out != V4L2_FIELD_ALTERNATE) |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 121 | vbuf->field = dev->field_out; |
| 122 | else if (vbuf->field != V4L2_FIELD_TOP && |
| 123 | vbuf->field != V4L2_FIELD_BOTTOM) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 124 | return -EINVAL; |
| 125 | |
| 126 | for (p = 0; p < planes; p++) { |
| 127 | size = dev->bytesperline_out[p] * dev->fmt_out_rect.height + |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 128 | vb->planes[p].data_offset; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 129 | |
| 130 | if (vb2_get_plane_payload(vb, p) < size) { |
| 131 | dprintk(dev, 1, "%s the payload is too small for plane %u (%lu < %lu)\n", |
| 132 | __func__, p, vb2_get_plane_payload(vb, p), size); |
| 133 | return -EINVAL; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | static void vid_out_buf_queue(struct vb2_buffer *vb) |
| 141 | { |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 142 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 143 | struct vivid_dev *dev = vb2_get_drv_priv(vb->vb2_queue); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 144 | struct vivid_buffer *buf = container_of(vbuf, struct vivid_buffer, vb); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 145 | |
| 146 | dprintk(dev, 1, "%s\n", __func__); |
| 147 | |
| 148 | spin_lock(&dev->slock); |
| 149 | list_add_tail(&buf->list, &dev->vid_out_active); |
| 150 | spin_unlock(&dev->slock); |
| 151 | } |
| 152 | |
| 153 | static int vid_out_start_streaming(struct vb2_queue *vq, unsigned count) |
| 154 | { |
| 155 | struct vivid_dev *dev = vb2_get_drv_priv(vq); |
| 156 | int err; |
| 157 | |
| 158 | if (vb2_is_streaming(&dev->vb_vid_cap_q)) |
| 159 | dev->can_loop_video = vivid_vid_can_loop(dev); |
| 160 | |
| 161 | if (dev->kthread_vid_out) |
| 162 | return 0; |
| 163 | |
| 164 | dev->vid_out_seq_count = 0; |
| 165 | dprintk(dev, 1, "%s\n", __func__); |
| 166 | if (dev->start_streaming_error) { |
| 167 | dev->start_streaming_error = false; |
| 168 | err = -EINVAL; |
| 169 | } else { |
| 170 | err = vivid_start_generating_vid_out(dev, &dev->vid_out_streaming); |
| 171 | } |
| 172 | if (err) { |
| 173 | struct vivid_buffer *buf, *tmp; |
| 174 | |
| 175 | list_for_each_entry_safe(buf, tmp, &dev->vid_out_active, list) { |
| 176 | list_del(&buf->list); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 177 | vb2_buffer_done(&buf->vb.vb2_buf, |
| 178 | VB2_BUF_STATE_QUEUED); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 179 | } |
| 180 | } |
| 181 | return err; |
| 182 | } |
| 183 | |
| 184 | /* abort streaming and wait for last buffer */ |
| 185 | static void vid_out_stop_streaming(struct vb2_queue *vq) |
| 186 | { |
| 187 | struct vivid_dev *dev = vb2_get_drv_priv(vq); |
| 188 | |
| 189 | dprintk(dev, 1, "%s\n", __func__); |
| 190 | vivid_stop_generating_vid_out(dev, &dev->vid_out_streaming); |
| 191 | dev->can_loop_video = false; |
| 192 | } |
| 193 | |
| 194 | const struct vb2_ops vivid_vid_out_qops = { |
| 195 | .queue_setup = vid_out_queue_setup, |
| 196 | .buf_prepare = vid_out_buf_prepare, |
| 197 | .buf_queue = vid_out_buf_queue, |
| 198 | .start_streaming = vid_out_start_streaming, |
| 199 | .stop_streaming = vid_out_stop_streaming, |
Prabhakar Lad | 6dfa513 | 2014-11-18 08:23:39 -0300 | [diff] [blame] | 200 | .wait_prepare = vb2_ops_wait_prepare, |
| 201 | .wait_finish = vb2_ops_wait_finish, |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 202 | }; |
| 203 | |
| 204 | /* |
| 205 | * Called whenever the format has to be reset which can occur when |
| 206 | * changing outputs, standard, timings, etc. |
| 207 | */ |
| 208 | void vivid_update_format_out(struct vivid_dev *dev) |
| 209 | { |
| 210 | struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 211 | unsigned size, p; |
Prashant Laddha | b883ba7 | 2015-09-22 11:27:29 -0300 | [diff] [blame] | 212 | u64 pixelclock; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 213 | |
| 214 | switch (dev->output_type[dev->output]) { |
| 215 | case SVID: |
| 216 | default: |
| 217 | dev->field_out = dev->tv_field_out; |
| 218 | dev->sink_rect.width = 720; |
| 219 | if (dev->std_out & V4L2_STD_525_60) { |
| 220 | dev->sink_rect.height = 480; |
| 221 | dev->timeperframe_vid_out = (struct v4l2_fract) { 1001, 30000 }; |
| 222 | dev->service_set_out = V4L2_SLICED_CAPTION_525; |
| 223 | } else { |
| 224 | dev->sink_rect.height = 576; |
| 225 | dev->timeperframe_vid_out = (struct v4l2_fract) { 1000, 25000 }; |
Hans Verkuil | 62f2872 | 2014-09-20 06:11:44 -0300 | [diff] [blame] | 226 | dev->service_set_out = V4L2_SLICED_WSS_625 | V4L2_SLICED_TELETEXT_B; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 227 | } |
| 228 | dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M; |
| 229 | break; |
| 230 | case HDMI: |
| 231 | dev->sink_rect.width = bt->width; |
| 232 | dev->sink_rect.height = bt->height; |
| 233 | size = V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt); |
Prashant Laddha | b883ba7 | 2015-09-22 11:27:29 -0300 | [diff] [blame] | 234 | |
| 235 | if (can_reduce_fps(bt) && (bt->flags & V4L2_DV_FL_REDUCED_FPS)) |
| 236 | pixelclock = div_u64(bt->pixelclock * 1000, 1001); |
| 237 | else |
| 238 | pixelclock = bt->pixelclock; |
| 239 | |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 240 | dev->timeperframe_vid_out = (struct v4l2_fract) { |
Prashant Laddha | b883ba7 | 2015-09-22 11:27:29 -0300 | [diff] [blame] | 241 | size / 100, (u32)pixelclock / 100 |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 242 | }; |
| 243 | if (bt->interlaced) |
| 244 | dev->field_out = V4L2_FIELD_ALTERNATE; |
| 245 | else |
| 246 | dev->field_out = V4L2_FIELD_NONE; |
Hans Verkuil | 4a20334 | 2015-03-20 14:05:06 -0300 | [diff] [blame] | 247 | if (!dev->dvi_d_out && (bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) { |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 248 | if (bt->width == 720 && bt->height <= 576) |
| 249 | dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M; |
| 250 | else |
| 251 | dev->colorspace_out = V4L2_COLORSPACE_REC709; |
| 252 | } else { |
| 253 | dev->colorspace_out = V4L2_COLORSPACE_SRGB; |
| 254 | } |
| 255 | break; |
| 256 | } |
Hans Verkuil | ca5316d | 2015-04-28 09:41:37 -0300 | [diff] [blame] | 257 | dev->xfer_func_out = V4L2_XFER_FUNC_DEFAULT; |
Hans Verkuil | 3e8a78d | 2014-11-17 10:26:01 -0300 | [diff] [blame] | 258 | dev->ycbcr_enc_out = V4L2_YCBCR_ENC_DEFAULT; |
| 259 | dev->quantization_out = V4L2_QUANTIZATION_DEFAULT; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 260 | dev->compose_out = dev->sink_rect; |
| 261 | dev->compose_bounds_out = dev->sink_rect; |
| 262 | dev->crop_out = dev->compose_out; |
| 263 | if (V4L2_FIELD_HAS_T_OR_B(dev->field_out)) |
| 264 | dev->crop_out.height /= 2; |
| 265 | dev->fmt_out_rect = dev->crop_out; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 266 | for (p = 0; p < dev->fmt_out->planes; p++) |
| 267 | dev->bytesperline_out[p] = |
| 268 | (dev->sink_rect.width * dev->fmt_out->bit_depth[p]) / 8; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | /* Map the field to something that is valid for the current output */ |
| 272 | static enum v4l2_field vivid_field_out(struct vivid_dev *dev, enum v4l2_field field) |
| 273 | { |
| 274 | if (vivid_is_svid_out(dev)) { |
| 275 | switch (field) { |
| 276 | case V4L2_FIELD_INTERLACED_TB: |
| 277 | case V4L2_FIELD_INTERLACED_BT: |
| 278 | case V4L2_FIELD_SEQ_TB: |
| 279 | case V4L2_FIELD_SEQ_BT: |
| 280 | case V4L2_FIELD_ALTERNATE: |
| 281 | return field; |
| 282 | case V4L2_FIELD_INTERLACED: |
| 283 | default: |
| 284 | return V4L2_FIELD_INTERLACED; |
| 285 | } |
| 286 | } |
| 287 | if (vivid_is_hdmi_out(dev)) |
| 288 | return dev->dv_timings_out.bt.interlaced ? V4L2_FIELD_ALTERNATE : |
| 289 | V4L2_FIELD_NONE; |
| 290 | return V4L2_FIELD_NONE; |
| 291 | } |
| 292 | |
| 293 | static enum tpg_pixel_aspect vivid_get_pixel_aspect(const struct vivid_dev *dev) |
| 294 | { |
| 295 | if (vivid_is_svid_out(dev)) |
| 296 | return (dev->std_out & V4L2_STD_525_60) ? |
| 297 | TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL; |
| 298 | |
| 299 | if (vivid_is_hdmi_out(dev) && |
| 300 | dev->sink_rect.width == 720 && dev->sink_rect.height <= 576) |
| 301 | return dev->sink_rect.height == 480 ? |
| 302 | TPG_PIXEL_ASPECT_NTSC : TPG_PIXEL_ASPECT_PAL; |
| 303 | |
| 304 | return TPG_PIXEL_ASPECT_SQUARE; |
| 305 | } |
| 306 | |
| 307 | int vivid_g_fmt_vid_out(struct file *file, void *priv, |
| 308 | struct v4l2_format *f) |
| 309 | { |
| 310 | struct vivid_dev *dev = video_drvdata(file); |
| 311 | struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 312 | const struct vivid_fmt *fmt = dev->fmt_out; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 313 | unsigned p; |
| 314 | |
| 315 | mp->width = dev->fmt_out_rect.width; |
| 316 | mp->height = dev->fmt_out_rect.height; |
| 317 | mp->field = dev->field_out; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 318 | mp->pixelformat = fmt->fourcc; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 319 | mp->colorspace = dev->colorspace_out; |
Hans Verkuil | ca5316d | 2015-04-28 09:41:37 -0300 | [diff] [blame] | 320 | mp->xfer_func = dev->xfer_func_out; |
Hans Verkuil | 3e8a78d | 2014-11-17 10:26:01 -0300 | [diff] [blame] | 321 | mp->ycbcr_enc = dev->ycbcr_enc_out; |
| 322 | mp->quantization = dev->quantization_out; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 323 | mp->num_planes = fmt->buffers; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 324 | for (p = 0; p < mp->num_planes; p++) { |
| 325 | mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p]; |
| 326 | mp->plane_fmt[p].sizeimage = |
| 327 | mp->plane_fmt[p].bytesperline * mp->height; |
| 328 | } |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 329 | for (p = fmt->buffers; p < fmt->planes; p++) { |
| 330 | unsigned stride = dev->bytesperline_out[p]; |
| 331 | |
Hans Verkuil | 1f9f23f | 2015-03-09 12:06:27 -0300 | [diff] [blame] | 332 | mp->plane_fmt[0].sizeimage += |
| 333 | (stride * mp->height) / fmt->vdownsampling[p]; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 334 | } |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 335 | return 0; |
| 336 | } |
| 337 | |
| 338 | int vivid_try_fmt_vid_out(struct file *file, void *priv, |
| 339 | struct v4l2_format *f) |
| 340 | { |
| 341 | struct vivid_dev *dev = video_drvdata(file); |
| 342 | struct v4l2_bt_timings *bt = &dev->dv_timings_out.bt; |
| 343 | struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp; |
| 344 | struct v4l2_plane_pix_format *pfmt = mp->plane_fmt; |
| 345 | const struct vivid_fmt *fmt; |
| 346 | unsigned bytesperline, max_bpl; |
| 347 | unsigned factor = 1; |
| 348 | unsigned w, h; |
| 349 | unsigned p; |
| 350 | |
Mauro Carvalho Chehab | 1fc78bc | 2014-09-02 17:52:07 -0300 | [diff] [blame] | 351 | fmt = vivid_get_format(dev, mp->pixelformat); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 352 | if (!fmt) { |
| 353 | dprintk(dev, 1, "Fourcc format (0x%08x) unknown.\n", |
| 354 | mp->pixelformat); |
| 355 | mp->pixelformat = V4L2_PIX_FMT_YUYV; |
Mauro Carvalho Chehab | 1fc78bc | 2014-09-02 17:52:07 -0300 | [diff] [blame] | 356 | fmt = vivid_get_format(dev, mp->pixelformat); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | mp->field = vivid_field_out(dev, mp->field); |
| 360 | if (vivid_is_svid_out(dev)) { |
| 361 | w = 720; |
| 362 | h = (dev->std_out & V4L2_STD_525_60) ? 480 : 576; |
| 363 | } else { |
| 364 | w = dev->sink_rect.width; |
| 365 | h = dev->sink_rect.height; |
| 366 | } |
| 367 | if (V4L2_FIELD_HAS_T_OR_B(mp->field)) |
| 368 | factor = 2; |
| 369 | if (!dev->has_scaler_out && !dev->has_crop_out && !dev->has_compose_out) { |
| 370 | mp->width = w; |
| 371 | mp->height = h / factor; |
| 372 | } else { |
| 373 | struct v4l2_rect r = { 0, 0, mp->width, mp->height * factor }; |
| 374 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 375 | v4l2_rect_set_min_size(&r, &vivid_min_rect); |
| 376 | v4l2_rect_set_max_size(&r, &vivid_max_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 377 | if (dev->has_scaler_out && !dev->has_crop_out) { |
| 378 | struct v4l2_rect max_r = { 0, 0, MAX_ZOOM * w, MAX_ZOOM * h }; |
| 379 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 380 | v4l2_rect_set_max_size(&r, &max_r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 381 | } else if (!dev->has_scaler_out && dev->has_compose_out && !dev->has_crop_out) { |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 382 | v4l2_rect_set_max_size(&r, &dev->sink_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 383 | } else if (!dev->has_scaler_out && !dev->has_compose_out) { |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 384 | v4l2_rect_set_min_size(&r, &dev->sink_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 385 | } |
| 386 | mp->width = r.width; |
| 387 | mp->height = r.height / factor; |
| 388 | } |
| 389 | |
| 390 | /* This driver supports custom bytesperline values */ |
| 391 | |
| 392 | /* Calculate the minimum supported bytesperline value */ |
Hans Verkuil | 96c76ef | 2015-03-07 15:04:49 -0300 | [diff] [blame] | 393 | bytesperline = (mp->width * fmt->bit_depth[0]) >> 3; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 394 | /* Calculate the maximum supported bytesperline value */ |
Hans Verkuil | 96c76ef | 2015-03-07 15:04:49 -0300 | [diff] [blame] | 395 | max_bpl = (MAX_ZOOM * MAX_WIDTH * fmt->bit_depth[0]) >> 3; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 396 | mp->num_planes = fmt->buffers; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 397 | for (p = 0; p < mp->num_planes; p++) { |
| 398 | if (pfmt[p].bytesperline > max_bpl) |
| 399 | pfmt[p].bytesperline = max_bpl; |
| 400 | if (pfmt[p].bytesperline < bytesperline) |
| 401 | pfmt[p].bytesperline = bytesperline; |
| 402 | pfmt[p].sizeimage = pfmt[p].bytesperline * mp->height; |
| 403 | memset(pfmt[p].reserved, 0, sizeof(pfmt[p].reserved)); |
| 404 | } |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 405 | for (p = fmt->buffers; p < fmt->planes; p++) |
| 406 | pfmt[0].sizeimage += (pfmt[0].bytesperline * fmt->bit_depth[p]) / |
Hans Verkuil | 1f9f23f | 2015-03-09 12:06:27 -0300 | [diff] [blame] | 407 | (fmt->bit_depth[0] * fmt->vdownsampling[p]); |
Hans Verkuil | ca5316d | 2015-04-28 09:41:37 -0300 | [diff] [blame] | 408 | mp->xfer_func = V4L2_XFER_FUNC_DEFAULT; |
Hans Verkuil | 3e8a78d | 2014-11-17 10:26:01 -0300 | [diff] [blame] | 409 | mp->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; |
| 410 | mp->quantization = V4L2_QUANTIZATION_DEFAULT; |
| 411 | if (vivid_is_svid_out(dev)) { |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 412 | mp->colorspace = V4L2_COLORSPACE_SMPTE170M; |
Hans Verkuil | 4a20334 | 2015-03-20 14:05:06 -0300 | [diff] [blame] | 413 | } else if (dev->dvi_d_out || !(bt->flags & V4L2_DV_FL_IS_CE_VIDEO)) { |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 414 | mp->colorspace = V4L2_COLORSPACE_SRGB; |
Hans Verkuil | 3e8a78d | 2014-11-17 10:26:01 -0300 | [diff] [blame] | 415 | if (dev->dvi_d_out) |
| 416 | mp->quantization = V4L2_QUANTIZATION_LIM_RANGE; |
| 417 | } else if (bt->width == 720 && bt->height <= 576) { |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 418 | mp->colorspace = V4L2_COLORSPACE_SMPTE170M; |
Hans Verkuil | 3e8a78d | 2014-11-17 10:26:01 -0300 | [diff] [blame] | 419 | } else if (mp->colorspace != V4L2_COLORSPACE_SMPTE170M && |
| 420 | mp->colorspace != V4L2_COLORSPACE_REC709 && |
| 421 | mp->colorspace != V4L2_COLORSPACE_ADOBERGB && |
| 422 | mp->colorspace != V4L2_COLORSPACE_BT2020 && |
| 423 | mp->colorspace != V4L2_COLORSPACE_SRGB) { |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 424 | mp->colorspace = V4L2_COLORSPACE_REC709; |
Hans Verkuil | 3e8a78d | 2014-11-17 10:26:01 -0300 | [diff] [blame] | 425 | } |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 426 | memset(mp->reserved, 0, sizeof(mp->reserved)); |
| 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | int vivid_s_fmt_vid_out(struct file *file, void *priv, |
| 431 | struct v4l2_format *f) |
| 432 | { |
| 433 | struct v4l2_pix_format_mplane *mp = &f->fmt.pix_mp; |
| 434 | struct vivid_dev *dev = video_drvdata(file); |
| 435 | struct v4l2_rect *crop = &dev->crop_out; |
| 436 | struct v4l2_rect *compose = &dev->compose_out; |
| 437 | struct vb2_queue *q = &dev->vb_vid_out_q; |
| 438 | int ret = vivid_try_fmt_vid_out(file, priv, f); |
| 439 | unsigned factor = 1; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 440 | unsigned p; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 441 | |
| 442 | if (ret < 0) |
| 443 | return ret; |
| 444 | |
| 445 | if (vb2_is_busy(q) && |
| 446 | (vivid_is_svid_out(dev) || |
| 447 | mp->width != dev->fmt_out_rect.width || |
| 448 | mp->height != dev->fmt_out_rect.height || |
| 449 | mp->pixelformat != dev->fmt_out->fourcc || |
| 450 | mp->field != dev->field_out)) { |
| 451 | dprintk(dev, 1, "%s device busy\n", __func__); |
| 452 | return -EBUSY; |
| 453 | } |
| 454 | |
| 455 | /* |
| 456 | * Allow for changing the colorspace on the fly. Useful for testing |
| 457 | * purposes, and it is something that HDMI transmitters are able |
| 458 | * to do. |
| 459 | */ |
| 460 | if (vb2_is_busy(q)) |
| 461 | goto set_colorspace; |
| 462 | |
Mauro Carvalho Chehab | 1fc78bc | 2014-09-02 17:52:07 -0300 | [diff] [blame] | 463 | dev->fmt_out = vivid_get_format(dev, mp->pixelformat); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 464 | if (V4L2_FIELD_HAS_T_OR_B(mp->field)) |
| 465 | factor = 2; |
| 466 | |
| 467 | if (dev->has_scaler_out || dev->has_crop_out || dev->has_compose_out) { |
| 468 | struct v4l2_rect r = { 0, 0, mp->width, mp->height }; |
| 469 | |
| 470 | if (dev->has_scaler_out) { |
| 471 | if (dev->has_crop_out) |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 472 | v4l2_rect_map_inside(crop, &r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 473 | else |
| 474 | *crop = r; |
| 475 | if (dev->has_compose_out && !dev->has_crop_out) { |
| 476 | struct v4l2_rect min_r = { |
| 477 | 0, 0, |
| 478 | r.width / MAX_ZOOM, |
| 479 | factor * r.height / MAX_ZOOM |
| 480 | }; |
| 481 | struct v4l2_rect max_r = { |
| 482 | 0, 0, |
| 483 | r.width * MAX_ZOOM, |
| 484 | factor * r.height * MAX_ZOOM |
| 485 | }; |
| 486 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 487 | v4l2_rect_set_min_size(compose, &min_r); |
| 488 | v4l2_rect_set_max_size(compose, &max_r); |
| 489 | v4l2_rect_map_inside(compose, &dev->compose_bounds_out); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 490 | } else if (dev->has_compose_out) { |
| 491 | struct v4l2_rect min_r = { |
| 492 | 0, 0, |
| 493 | crop->width / MAX_ZOOM, |
| 494 | factor * crop->height / MAX_ZOOM |
| 495 | }; |
| 496 | struct v4l2_rect max_r = { |
| 497 | 0, 0, |
| 498 | crop->width * MAX_ZOOM, |
| 499 | factor * crop->height * MAX_ZOOM |
| 500 | }; |
| 501 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 502 | v4l2_rect_set_min_size(compose, &min_r); |
| 503 | v4l2_rect_set_max_size(compose, &max_r); |
| 504 | v4l2_rect_map_inside(compose, &dev->compose_bounds_out); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 505 | } |
| 506 | } else if (dev->has_compose_out && !dev->has_crop_out) { |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 507 | v4l2_rect_set_size_to(crop, &r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 508 | r.height *= factor; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 509 | v4l2_rect_set_size_to(compose, &r); |
| 510 | v4l2_rect_map_inside(compose, &dev->compose_bounds_out); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 511 | } else if (!dev->has_compose_out) { |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 512 | v4l2_rect_map_inside(crop, &r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 513 | r.height /= factor; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 514 | v4l2_rect_set_size_to(compose, &r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 515 | } else { |
| 516 | r.height *= factor; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 517 | v4l2_rect_set_max_size(compose, &r); |
| 518 | v4l2_rect_map_inside(compose, &dev->compose_bounds_out); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 519 | crop->top *= factor; |
| 520 | crop->height *= factor; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 521 | v4l2_rect_set_size_to(crop, compose); |
| 522 | v4l2_rect_map_inside(crop, &r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 523 | crop->top /= factor; |
| 524 | crop->height /= factor; |
| 525 | } |
| 526 | } else { |
| 527 | struct v4l2_rect r = { 0, 0, mp->width, mp->height }; |
| 528 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 529 | v4l2_rect_set_size_to(crop, &r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 530 | r.height /= factor; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 531 | v4l2_rect_set_size_to(compose, &r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | dev->fmt_out_rect.width = mp->width; |
| 535 | dev->fmt_out_rect.height = mp->height; |
Hans Verkuil | ddcaee9 | 2015-03-09 12:03:52 -0300 | [diff] [blame] | 536 | for (p = 0; p < mp->num_planes; p++) |
| 537 | dev->bytesperline_out[p] = mp->plane_fmt[p].bytesperline; |
| 538 | for (p = dev->fmt_out->buffers; p < dev->fmt_out->planes; p++) |
| 539 | dev->bytesperline_out[p] = |
| 540 | (dev->bytesperline_out[0] * dev->fmt_out->bit_depth[p]) / |
| 541 | dev->fmt_out->bit_depth[0]; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 542 | dev->field_out = mp->field; |
| 543 | if (vivid_is_svid_out(dev)) |
| 544 | dev->tv_field_out = mp->field; |
| 545 | |
| 546 | set_colorspace: |
| 547 | dev->colorspace_out = mp->colorspace; |
Hans Verkuil | ca5316d | 2015-04-28 09:41:37 -0300 | [diff] [blame] | 548 | dev->xfer_func_out = mp->xfer_func; |
Hans Verkuil | 3e8a78d | 2014-11-17 10:26:01 -0300 | [diff] [blame] | 549 | dev->ycbcr_enc_out = mp->ycbcr_enc; |
| 550 | dev->quantization_out = mp->quantization; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 551 | if (dev->loop_video) { |
| 552 | vivid_send_source_change(dev, SVID); |
| 553 | vivid_send_source_change(dev, HDMI); |
| 554 | } |
| 555 | return 0; |
| 556 | } |
| 557 | |
| 558 | int vidioc_g_fmt_vid_out_mplane(struct file *file, void *priv, |
| 559 | struct v4l2_format *f) |
| 560 | { |
| 561 | struct vivid_dev *dev = video_drvdata(file); |
| 562 | |
| 563 | if (!dev->multiplanar) |
| 564 | return -ENOTTY; |
| 565 | return vivid_g_fmt_vid_out(file, priv, f); |
| 566 | } |
| 567 | |
| 568 | int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv, |
| 569 | struct v4l2_format *f) |
| 570 | { |
| 571 | struct vivid_dev *dev = video_drvdata(file); |
| 572 | |
| 573 | if (!dev->multiplanar) |
| 574 | return -ENOTTY; |
| 575 | return vivid_try_fmt_vid_out(file, priv, f); |
| 576 | } |
| 577 | |
| 578 | int vidioc_s_fmt_vid_out_mplane(struct file *file, void *priv, |
| 579 | struct v4l2_format *f) |
| 580 | { |
| 581 | struct vivid_dev *dev = video_drvdata(file); |
| 582 | |
| 583 | if (!dev->multiplanar) |
| 584 | return -ENOTTY; |
| 585 | return vivid_s_fmt_vid_out(file, priv, f); |
| 586 | } |
| 587 | |
| 588 | int vidioc_g_fmt_vid_out(struct file *file, void *priv, |
| 589 | struct v4l2_format *f) |
| 590 | { |
| 591 | struct vivid_dev *dev = video_drvdata(file); |
| 592 | |
| 593 | if (dev->multiplanar) |
| 594 | return -ENOTTY; |
| 595 | return fmt_sp2mp_func(file, priv, f, vivid_g_fmt_vid_out); |
| 596 | } |
| 597 | |
| 598 | int vidioc_try_fmt_vid_out(struct file *file, void *priv, |
| 599 | struct v4l2_format *f) |
| 600 | { |
| 601 | struct vivid_dev *dev = video_drvdata(file); |
| 602 | |
| 603 | if (dev->multiplanar) |
| 604 | return -ENOTTY; |
| 605 | return fmt_sp2mp_func(file, priv, f, vivid_try_fmt_vid_out); |
| 606 | } |
| 607 | |
| 608 | int vidioc_s_fmt_vid_out(struct file *file, void *priv, |
| 609 | struct v4l2_format *f) |
| 610 | { |
| 611 | struct vivid_dev *dev = video_drvdata(file); |
| 612 | |
| 613 | if (dev->multiplanar) |
| 614 | return -ENOTTY; |
| 615 | return fmt_sp2mp_func(file, priv, f, vivid_s_fmt_vid_out); |
| 616 | } |
| 617 | |
| 618 | int vivid_vid_out_g_selection(struct file *file, void *priv, |
| 619 | struct v4l2_selection *sel) |
| 620 | { |
| 621 | struct vivid_dev *dev = video_drvdata(file); |
| 622 | |
| 623 | if (!dev->has_crop_out && !dev->has_compose_out) |
| 624 | return -ENOTTY; |
| 625 | if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 626 | return -EINVAL; |
| 627 | |
| 628 | sel->r.left = sel->r.top = 0; |
| 629 | switch (sel->target) { |
| 630 | case V4L2_SEL_TGT_CROP: |
| 631 | if (!dev->has_crop_out) |
| 632 | return -EINVAL; |
| 633 | sel->r = dev->crop_out; |
| 634 | break; |
| 635 | case V4L2_SEL_TGT_CROP_DEFAULT: |
| 636 | if (!dev->has_crop_out) |
| 637 | return -EINVAL; |
| 638 | sel->r = dev->fmt_out_rect; |
| 639 | break; |
| 640 | case V4L2_SEL_TGT_CROP_BOUNDS: |
Hans Verkuil | bb9ff07 | 2014-12-06 07:30:03 -0300 | [diff] [blame] | 641 | if (!dev->has_crop_out) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 642 | return -EINVAL; |
| 643 | sel->r = vivid_max_rect; |
| 644 | break; |
| 645 | case V4L2_SEL_TGT_COMPOSE: |
| 646 | if (!dev->has_compose_out) |
| 647 | return -EINVAL; |
| 648 | sel->r = dev->compose_out; |
| 649 | break; |
| 650 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: |
| 651 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: |
| 652 | if (!dev->has_compose_out) |
| 653 | return -EINVAL; |
| 654 | sel->r = dev->sink_rect; |
| 655 | break; |
| 656 | default: |
| 657 | return -EINVAL; |
| 658 | } |
| 659 | return 0; |
| 660 | } |
| 661 | |
| 662 | int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection *s) |
| 663 | { |
| 664 | struct vivid_dev *dev = video_drvdata(file); |
| 665 | struct v4l2_rect *crop = &dev->crop_out; |
| 666 | struct v4l2_rect *compose = &dev->compose_out; |
| 667 | unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_out) ? 2 : 1; |
| 668 | int ret; |
| 669 | |
| 670 | if (!dev->has_crop_out && !dev->has_compose_out) |
| 671 | return -ENOTTY; |
| 672 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 673 | return -EINVAL; |
| 674 | |
| 675 | switch (s->target) { |
| 676 | case V4L2_SEL_TGT_CROP: |
| 677 | if (!dev->has_crop_out) |
| 678 | return -EINVAL; |
| 679 | ret = vivid_vid_adjust_sel(s->flags, &s->r); |
| 680 | if (ret) |
| 681 | return ret; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 682 | v4l2_rect_set_min_size(&s->r, &vivid_min_rect); |
| 683 | v4l2_rect_set_max_size(&s->r, &dev->fmt_out_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 684 | if (dev->has_scaler_out) { |
| 685 | struct v4l2_rect max_rect = { |
| 686 | 0, 0, |
| 687 | dev->sink_rect.width * MAX_ZOOM, |
| 688 | (dev->sink_rect.height / factor) * MAX_ZOOM |
| 689 | }; |
| 690 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 691 | v4l2_rect_set_max_size(&s->r, &max_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 692 | if (dev->has_compose_out) { |
| 693 | struct v4l2_rect min_rect = { |
| 694 | 0, 0, |
| 695 | s->r.width / MAX_ZOOM, |
| 696 | (s->r.height * factor) / MAX_ZOOM |
| 697 | }; |
| 698 | struct v4l2_rect max_rect = { |
| 699 | 0, 0, |
| 700 | s->r.width * MAX_ZOOM, |
| 701 | (s->r.height * factor) * MAX_ZOOM |
| 702 | }; |
| 703 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 704 | v4l2_rect_set_min_size(compose, &min_rect); |
| 705 | v4l2_rect_set_max_size(compose, &max_rect); |
| 706 | v4l2_rect_map_inside(compose, &dev->compose_bounds_out); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 707 | } |
| 708 | } else if (dev->has_compose_out) { |
| 709 | s->r.top *= factor; |
| 710 | s->r.height *= factor; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 711 | v4l2_rect_set_max_size(&s->r, &dev->sink_rect); |
| 712 | v4l2_rect_set_size_to(compose, &s->r); |
| 713 | v4l2_rect_map_inside(compose, &dev->compose_bounds_out); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 714 | s->r.top /= factor; |
| 715 | s->r.height /= factor; |
| 716 | } else { |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 717 | v4l2_rect_set_size_to(&s->r, &dev->sink_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 718 | s->r.height /= factor; |
| 719 | } |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 720 | v4l2_rect_map_inside(&s->r, &dev->fmt_out_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 721 | *crop = s->r; |
| 722 | break; |
| 723 | case V4L2_SEL_TGT_COMPOSE: |
| 724 | if (!dev->has_compose_out) |
| 725 | return -EINVAL; |
| 726 | ret = vivid_vid_adjust_sel(s->flags, &s->r); |
| 727 | if (ret) |
| 728 | return ret; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 729 | v4l2_rect_set_min_size(&s->r, &vivid_min_rect); |
| 730 | v4l2_rect_set_max_size(&s->r, &dev->sink_rect); |
| 731 | v4l2_rect_map_inside(&s->r, &dev->compose_bounds_out); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 732 | s->r.top /= factor; |
| 733 | s->r.height /= factor; |
| 734 | if (dev->has_scaler_out) { |
| 735 | struct v4l2_rect fmt = dev->fmt_out_rect; |
| 736 | struct v4l2_rect max_rect = { |
| 737 | 0, 0, |
| 738 | s->r.width * MAX_ZOOM, |
| 739 | s->r.height * MAX_ZOOM |
| 740 | }; |
| 741 | struct v4l2_rect min_rect = { |
| 742 | 0, 0, |
| 743 | s->r.width / MAX_ZOOM, |
| 744 | s->r.height / MAX_ZOOM |
| 745 | }; |
| 746 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 747 | v4l2_rect_set_min_size(&fmt, &min_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 748 | if (!dev->has_crop_out) |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 749 | v4l2_rect_set_max_size(&fmt, &max_rect); |
| 750 | if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) && |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 751 | vb2_is_busy(&dev->vb_vid_out_q)) |
| 752 | return -EBUSY; |
| 753 | if (dev->has_crop_out) { |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 754 | v4l2_rect_set_min_size(crop, &min_rect); |
| 755 | v4l2_rect_set_max_size(crop, &max_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 756 | } |
| 757 | dev->fmt_out_rect = fmt; |
| 758 | } else if (dev->has_crop_out) { |
| 759 | struct v4l2_rect fmt = dev->fmt_out_rect; |
| 760 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 761 | v4l2_rect_set_min_size(&fmt, &s->r); |
| 762 | if (!v4l2_rect_same_size(&dev->fmt_out_rect, &fmt) && |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 763 | vb2_is_busy(&dev->vb_vid_out_q)) |
| 764 | return -EBUSY; |
| 765 | dev->fmt_out_rect = fmt; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 766 | v4l2_rect_set_size_to(crop, &s->r); |
| 767 | v4l2_rect_map_inside(crop, &dev->fmt_out_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 768 | } else { |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 769 | if (!v4l2_rect_same_size(&s->r, &dev->fmt_out_rect) && |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 770 | vb2_is_busy(&dev->vb_vid_out_q)) |
| 771 | return -EBUSY; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 772 | v4l2_rect_set_size_to(&dev->fmt_out_rect, &s->r); |
| 773 | v4l2_rect_set_size_to(crop, &s->r); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 774 | crop->height /= factor; |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 775 | v4l2_rect_map_inside(crop, &dev->fmt_out_rect); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 776 | } |
| 777 | s->r.top *= factor; |
| 778 | s->r.height *= factor; |
| 779 | if (dev->bitmap_out && (compose->width != s->r.width || |
| 780 | compose->height != s->r.height)) { |
| 781 | kfree(dev->bitmap_out); |
| 782 | dev->bitmap_out = NULL; |
| 783 | } |
| 784 | *compose = s->r; |
| 785 | break; |
| 786 | default: |
| 787 | return -EINVAL; |
| 788 | } |
| 789 | |
| 790 | return 0; |
| 791 | } |
| 792 | |
| 793 | int vivid_vid_out_cropcap(struct file *file, void *priv, |
| 794 | struct v4l2_cropcap *cap) |
| 795 | { |
| 796 | struct vivid_dev *dev = video_drvdata(file); |
| 797 | |
| 798 | if (cap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 799 | return -EINVAL; |
| 800 | |
| 801 | switch (vivid_get_pixel_aspect(dev)) { |
| 802 | case TPG_PIXEL_ASPECT_NTSC: |
| 803 | cap->pixelaspect.numerator = 11; |
| 804 | cap->pixelaspect.denominator = 10; |
| 805 | break; |
| 806 | case TPG_PIXEL_ASPECT_PAL: |
| 807 | cap->pixelaspect.numerator = 54; |
| 808 | cap->pixelaspect.denominator = 59; |
| 809 | break; |
| 810 | case TPG_PIXEL_ASPECT_SQUARE: |
| 811 | cap->pixelaspect.numerator = 1; |
| 812 | cap->pixelaspect.denominator = 1; |
| 813 | break; |
| 814 | } |
| 815 | return 0; |
| 816 | } |
| 817 | |
| 818 | int vidioc_g_fmt_vid_out_overlay(struct file *file, void *priv, |
| 819 | struct v4l2_format *f) |
| 820 | { |
| 821 | struct vivid_dev *dev = video_drvdata(file); |
| 822 | const struct v4l2_rect *compose = &dev->compose_out; |
| 823 | struct v4l2_window *win = &f->fmt.win; |
| 824 | unsigned clipcount = win->clipcount; |
| 825 | |
| 826 | if (!dev->has_fb) |
| 827 | return -EINVAL; |
| 828 | win->w.top = dev->overlay_out_top; |
| 829 | win->w.left = dev->overlay_out_left; |
| 830 | win->w.width = compose->width; |
| 831 | win->w.height = compose->height; |
| 832 | win->clipcount = dev->clipcount_out; |
| 833 | win->field = V4L2_FIELD_ANY; |
| 834 | win->chromakey = dev->chromakey_out; |
| 835 | win->global_alpha = dev->global_alpha_out; |
| 836 | if (clipcount > dev->clipcount_out) |
| 837 | clipcount = dev->clipcount_out; |
| 838 | if (dev->bitmap_out == NULL) |
| 839 | win->bitmap = NULL; |
| 840 | else if (win->bitmap) { |
| 841 | if (copy_to_user(win->bitmap, dev->bitmap_out, |
| 842 | ((dev->compose_out.width + 7) / 8) * dev->compose_out.height)) |
| 843 | return -EFAULT; |
| 844 | } |
| 845 | if (clipcount && win->clips) { |
| 846 | if (copy_to_user(win->clips, dev->clips_out, |
| 847 | clipcount * sizeof(dev->clips_out[0]))) |
| 848 | return -EFAULT; |
| 849 | } |
| 850 | return 0; |
| 851 | } |
| 852 | |
| 853 | int vidioc_try_fmt_vid_out_overlay(struct file *file, void *priv, |
| 854 | struct v4l2_format *f) |
| 855 | { |
| 856 | struct vivid_dev *dev = video_drvdata(file); |
| 857 | const struct v4l2_rect *compose = &dev->compose_out; |
| 858 | struct v4l2_window *win = &f->fmt.win; |
| 859 | int i, j; |
| 860 | |
| 861 | if (!dev->has_fb) |
| 862 | return -EINVAL; |
| 863 | win->w.left = clamp_t(int, win->w.left, |
| 864 | -dev->display_width, dev->display_width); |
| 865 | win->w.top = clamp_t(int, win->w.top, |
| 866 | -dev->display_height, dev->display_height); |
| 867 | win->w.width = compose->width; |
| 868 | win->w.height = compose->height; |
| 869 | /* |
| 870 | * It makes no sense for an OSD to overlay only top or bottom fields, |
| 871 | * so always set this to ANY. |
| 872 | */ |
| 873 | win->field = V4L2_FIELD_ANY; |
| 874 | if (win->clipcount && !win->clips) |
| 875 | win->clipcount = 0; |
| 876 | if (win->clipcount > MAX_CLIPS) |
| 877 | win->clipcount = MAX_CLIPS; |
| 878 | if (win->clipcount) { |
| 879 | if (copy_from_user(dev->try_clips_out, win->clips, |
| 880 | win->clipcount * sizeof(dev->clips_out[0]))) |
| 881 | return -EFAULT; |
| 882 | for (i = 0; i < win->clipcount; i++) { |
| 883 | struct v4l2_rect *r = &dev->try_clips_out[i].c; |
| 884 | |
| 885 | r->top = clamp_t(s32, r->top, 0, dev->display_height - 1); |
| 886 | r->height = clamp_t(s32, r->height, 1, dev->display_height - r->top); |
| 887 | r->left = clamp_t(u32, r->left, 0, dev->display_width - 1); |
| 888 | r->width = clamp_t(u32, r->width, 1, dev->display_width - r->left); |
| 889 | } |
| 890 | /* |
| 891 | * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small |
| 892 | * number and it's typically a one-time deal. |
| 893 | */ |
| 894 | for (i = 0; i < win->clipcount - 1; i++) { |
| 895 | struct v4l2_rect *r1 = &dev->try_clips_out[i].c; |
| 896 | |
| 897 | for (j = i + 1; j < win->clipcount; j++) { |
| 898 | struct v4l2_rect *r2 = &dev->try_clips_out[j].c; |
| 899 | |
Hans Verkuil | d1e5d8b | 2016-04-03 16:42:43 -0300 | [diff] [blame] | 900 | if (v4l2_rect_overlap(r1, r2)) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 901 | return -EINVAL; |
| 902 | } |
| 903 | } |
| 904 | if (copy_to_user(win->clips, dev->try_clips_out, |
| 905 | win->clipcount * sizeof(dev->clips_out[0]))) |
| 906 | return -EFAULT; |
| 907 | } |
| 908 | return 0; |
| 909 | } |
| 910 | |
| 911 | int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv, |
| 912 | struct v4l2_format *f) |
| 913 | { |
| 914 | struct vivid_dev *dev = video_drvdata(file); |
| 915 | const struct v4l2_rect *compose = &dev->compose_out; |
| 916 | struct v4l2_window *win = &f->fmt.win; |
| 917 | int ret = vidioc_try_fmt_vid_out_overlay(file, priv, f); |
| 918 | unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height; |
| 919 | unsigned clips_size = win->clipcount * sizeof(dev->clips_out[0]); |
| 920 | void *new_bitmap = NULL; |
| 921 | |
| 922 | if (ret) |
| 923 | return ret; |
| 924 | |
| 925 | if (win->bitmap) { |
Mauro Carvalho Chehab | 0282969 | 2014-09-03 14:57:30 -0300 | [diff] [blame] | 926 | new_bitmap = memdup_user(win->bitmap, bitmap_size); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 927 | |
Mauro Carvalho Chehab | 0282969 | 2014-09-03 14:57:30 -0300 | [diff] [blame] | 928 | if (IS_ERR(new_bitmap)) |
| 929 | return PTR_ERR(new_bitmap); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 930 | } |
| 931 | |
| 932 | dev->overlay_out_top = win->w.top; |
| 933 | dev->overlay_out_left = win->w.left; |
| 934 | kfree(dev->bitmap_out); |
| 935 | dev->bitmap_out = new_bitmap; |
| 936 | dev->clipcount_out = win->clipcount; |
| 937 | if (dev->clipcount_out) |
| 938 | memcpy(dev->clips_out, dev->try_clips_out, clips_size); |
| 939 | dev->chromakey_out = win->chromakey; |
| 940 | dev->global_alpha_out = win->global_alpha; |
| 941 | return ret; |
| 942 | } |
| 943 | |
| 944 | int vivid_vid_out_overlay(struct file *file, void *fh, unsigned i) |
| 945 | { |
| 946 | struct vivid_dev *dev = video_drvdata(file); |
| 947 | |
| 948 | if (i && !dev->fmt_out->can_do_overlay) { |
| 949 | dprintk(dev, 1, "unsupported output format for output overlay\n"); |
| 950 | return -EINVAL; |
| 951 | } |
| 952 | |
| 953 | dev->overlay_out_enabled = i; |
| 954 | return 0; |
| 955 | } |
| 956 | |
| 957 | int vivid_vid_out_g_fbuf(struct file *file, void *fh, |
| 958 | struct v4l2_framebuffer *a) |
| 959 | { |
| 960 | struct vivid_dev *dev = video_drvdata(file); |
| 961 | |
| 962 | a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | |
| 963 | V4L2_FBUF_CAP_BITMAP_CLIPPING | |
| 964 | V4L2_FBUF_CAP_LIST_CLIPPING | |
| 965 | V4L2_FBUF_CAP_CHROMAKEY | |
| 966 | V4L2_FBUF_CAP_SRC_CHROMAKEY | |
| 967 | V4L2_FBUF_CAP_GLOBAL_ALPHA | |
| 968 | V4L2_FBUF_CAP_LOCAL_ALPHA | |
| 969 | V4L2_FBUF_CAP_LOCAL_INV_ALPHA; |
| 970 | a->flags = V4L2_FBUF_FLAG_OVERLAY | dev->fbuf_out_flags; |
| 971 | a->base = (void *)dev->video_pbase; |
| 972 | a->fmt.width = dev->display_width; |
| 973 | a->fmt.height = dev->display_height; |
| 974 | if (dev->fb_defined.green.length == 5) |
| 975 | a->fmt.pixelformat = V4L2_PIX_FMT_ARGB555; |
| 976 | else |
| 977 | a->fmt.pixelformat = V4L2_PIX_FMT_RGB565; |
| 978 | a->fmt.bytesperline = dev->display_byte_stride; |
| 979 | a->fmt.sizeimage = a->fmt.height * a->fmt.bytesperline; |
| 980 | a->fmt.field = V4L2_FIELD_NONE; |
| 981 | a->fmt.colorspace = V4L2_COLORSPACE_SRGB; |
| 982 | a->fmt.priv = 0; |
| 983 | return 0; |
| 984 | } |
| 985 | |
| 986 | int vivid_vid_out_s_fbuf(struct file *file, void *fh, |
| 987 | const struct v4l2_framebuffer *a) |
| 988 | { |
| 989 | struct vivid_dev *dev = video_drvdata(file); |
| 990 | const unsigned chroma_flags = V4L2_FBUF_FLAG_CHROMAKEY | |
| 991 | V4L2_FBUF_FLAG_SRC_CHROMAKEY; |
| 992 | const unsigned alpha_flags = V4L2_FBUF_FLAG_GLOBAL_ALPHA | |
| 993 | V4L2_FBUF_FLAG_LOCAL_ALPHA | |
| 994 | V4L2_FBUF_FLAG_LOCAL_INV_ALPHA; |
| 995 | |
| 996 | |
| 997 | if ((a->flags & chroma_flags) == chroma_flags) |
| 998 | return -EINVAL; |
| 999 | switch (a->flags & alpha_flags) { |
| 1000 | case 0: |
| 1001 | case V4L2_FBUF_FLAG_GLOBAL_ALPHA: |
| 1002 | case V4L2_FBUF_FLAG_LOCAL_ALPHA: |
| 1003 | case V4L2_FBUF_FLAG_LOCAL_INV_ALPHA: |
| 1004 | break; |
| 1005 | default: |
| 1006 | return -EINVAL; |
| 1007 | } |
| 1008 | dev->fbuf_out_flags &= ~(chroma_flags | alpha_flags); |
| 1009 | dev->fbuf_out_flags = a->flags & (chroma_flags | alpha_flags); |
| 1010 | return 0; |
| 1011 | } |
| 1012 | |
| 1013 | static const struct v4l2_audioout vivid_audio_outputs[] = { |
| 1014 | { 0, "Line-Out 1" }, |
| 1015 | { 1, "Line-Out 2" }, |
| 1016 | }; |
| 1017 | |
| 1018 | int vidioc_enum_output(struct file *file, void *priv, |
| 1019 | struct v4l2_output *out) |
| 1020 | { |
| 1021 | struct vivid_dev *dev = video_drvdata(file); |
| 1022 | |
| 1023 | if (out->index >= dev->num_outputs) |
| 1024 | return -EINVAL; |
| 1025 | |
| 1026 | out->type = V4L2_OUTPUT_TYPE_ANALOG; |
| 1027 | switch (dev->output_type[out->index]) { |
| 1028 | case SVID: |
| 1029 | snprintf(out->name, sizeof(out->name), "S-Video %u", |
| 1030 | dev->output_name_counter[out->index]); |
| 1031 | out->std = V4L2_STD_ALL; |
| 1032 | if (dev->has_audio_outputs) |
| 1033 | out->audioset = (1 << ARRAY_SIZE(vivid_audio_outputs)) - 1; |
| 1034 | out->capabilities = V4L2_OUT_CAP_STD; |
| 1035 | break; |
| 1036 | case HDMI: |
| 1037 | snprintf(out->name, sizeof(out->name), "HDMI %u", |
| 1038 | dev->output_name_counter[out->index]); |
| 1039 | out->capabilities = V4L2_OUT_CAP_DV_TIMINGS; |
| 1040 | break; |
| 1041 | } |
| 1042 | return 0; |
| 1043 | } |
| 1044 | |
| 1045 | int vidioc_g_output(struct file *file, void *priv, unsigned *o) |
| 1046 | { |
| 1047 | struct vivid_dev *dev = video_drvdata(file); |
| 1048 | |
| 1049 | *o = dev->output; |
| 1050 | return 0; |
| 1051 | } |
| 1052 | |
| 1053 | int vidioc_s_output(struct file *file, void *priv, unsigned o) |
| 1054 | { |
| 1055 | struct vivid_dev *dev = video_drvdata(file); |
| 1056 | |
| 1057 | if (o >= dev->num_outputs) |
| 1058 | return -EINVAL; |
| 1059 | |
| 1060 | if (o == dev->output) |
| 1061 | return 0; |
| 1062 | |
| 1063 | if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q)) |
| 1064 | return -EBUSY; |
| 1065 | |
| 1066 | dev->output = o; |
| 1067 | dev->tv_audio_output = 0; |
| 1068 | if (dev->output_type[o] == SVID) |
| 1069 | dev->vid_out_dev.tvnorms = V4L2_STD_ALL; |
| 1070 | else |
| 1071 | dev->vid_out_dev.tvnorms = 0; |
| 1072 | |
| 1073 | dev->vbi_out_dev.tvnorms = dev->vid_out_dev.tvnorms; |
| 1074 | vivid_update_format_out(dev); |
| 1075 | return 0; |
| 1076 | } |
| 1077 | |
| 1078 | int vidioc_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vout) |
| 1079 | { |
| 1080 | if (vout->index >= ARRAY_SIZE(vivid_audio_outputs)) |
| 1081 | return -EINVAL; |
| 1082 | *vout = vivid_audio_outputs[vout->index]; |
| 1083 | return 0; |
| 1084 | } |
| 1085 | |
| 1086 | int vidioc_g_audout(struct file *file, void *fh, struct v4l2_audioout *vout) |
| 1087 | { |
| 1088 | struct vivid_dev *dev = video_drvdata(file); |
| 1089 | |
| 1090 | if (!vivid_is_svid_out(dev)) |
| 1091 | return -EINVAL; |
| 1092 | *vout = vivid_audio_outputs[dev->tv_audio_output]; |
| 1093 | return 0; |
| 1094 | } |
| 1095 | |
| 1096 | int vidioc_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout) |
| 1097 | { |
| 1098 | struct vivid_dev *dev = video_drvdata(file); |
| 1099 | |
| 1100 | if (!vivid_is_svid_out(dev)) |
| 1101 | return -EINVAL; |
| 1102 | if (vout->index >= ARRAY_SIZE(vivid_audio_outputs)) |
| 1103 | return -EINVAL; |
| 1104 | dev->tv_audio_output = vout->index; |
| 1105 | return 0; |
| 1106 | } |
| 1107 | |
| 1108 | int vivid_vid_out_s_std(struct file *file, void *priv, v4l2_std_id id) |
| 1109 | { |
| 1110 | struct vivid_dev *dev = video_drvdata(file); |
| 1111 | |
| 1112 | if (!vivid_is_svid_out(dev)) |
| 1113 | return -ENODATA; |
| 1114 | if (dev->std_out == id) |
| 1115 | return 0; |
| 1116 | if (vb2_is_busy(&dev->vb_vid_out_q) || vb2_is_busy(&dev->vb_vbi_out_q)) |
| 1117 | return -EBUSY; |
| 1118 | dev->std_out = id; |
| 1119 | vivid_update_format_out(dev); |
| 1120 | return 0; |
| 1121 | } |
| 1122 | |
Prashant Laddha | b1304f9 | 2015-08-03 05:36:43 -0300 | [diff] [blame] | 1123 | static bool valid_cvt_gtf_timings(struct v4l2_dv_timings *timings) |
| 1124 | { |
| 1125 | struct v4l2_bt_timings *bt = &timings->bt; |
| 1126 | |
| 1127 | if ((bt->standards & (V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF)) && |
| 1128 | v4l2_valid_dv_timings(timings, &vivid_dv_timings_cap, NULL, NULL)) |
| 1129 | return true; |
| 1130 | |
| 1131 | return false; |
| 1132 | } |
| 1133 | |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1134 | int vivid_vid_out_s_dv_timings(struct file *file, void *_fh, |
| 1135 | struct v4l2_dv_timings *timings) |
| 1136 | { |
| 1137 | struct vivid_dev *dev = video_drvdata(file); |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1138 | if (!vivid_is_hdmi_out(dev)) |
| 1139 | return -ENODATA; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1140 | if (!v4l2_find_dv_timings_cap(timings, &vivid_dv_timings_cap, |
Prashant Laddha | b1304f9 | 2015-08-03 05:36:43 -0300 | [diff] [blame] | 1141 | 0, NULL, NULL) && |
| 1142 | !valid_cvt_gtf_timings(timings)) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1143 | return -EINVAL; |
Hans Verkuil | 85f9e06 | 2015-11-13 09:46:26 -0200 | [diff] [blame] | 1144 | if (v4l2_match_dv_timings(timings, &dev->dv_timings_out, 0, true)) |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1145 | return 0; |
Hans Verkuil | 1bd0835 | 2015-03-14 09:35:23 -0300 | [diff] [blame] | 1146 | if (vb2_is_busy(&dev->vb_vid_out_q)) |
| 1147 | return -EBUSY; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1148 | dev->dv_timings_out = *timings; |
| 1149 | vivid_update_format_out(dev); |
| 1150 | return 0; |
| 1151 | } |
| 1152 | |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1153 | int vivid_vid_out_g_parm(struct file *file, void *priv, |
| 1154 | struct v4l2_streamparm *parm) |
| 1155 | { |
| 1156 | struct vivid_dev *dev = video_drvdata(file); |
| 1157 | |
| 1158 | if (parm->type != (dev->multiplanar ? |
| 1159 | V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : |
| 1160 | V4L2_BUF_TYPE_VIDEO_OUTPUT)) |
| 1161 | return -EINVAL; |
| 1162 | |
| 1163 | parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME; |
| 1164 | parm->parm.output.timeperframe = dev->timeperframe_vid_out; |
| 1165 | parm->parm.output.writebuffers = 1; |
Mauro Carvalho Chehab | ee120ae | 2015-04-29 20:24:56 -0300 | [diff] [blame] | 1166 | |
| 1167 | return 0; |
Hans Verkuil | ef834f7 | 2014-08-25 07:56:18 -0300 | [diff] [blame] | 1168 | } |
| 1169 | |
| 1170 | int vidioc_subscribe_event(struct v4l2_fh *fh, |
| 1171 | const struct v4l2_event_subscription *sub) |
| 1172 | { |
| 1173 | switch (sub->type) { |
| 1174 | case V4L2_EVENT_CTRL: |
| 1175 | return v4l2_ctrl_subscribe_event(fh, sub); |
| 1176 | case V4L2_EVENT_SOURCE_CHANGE: |
| 1177 | if (fh->vdev->vfl_dir == VFL_DIR_RX) |
| 1178 | return v4l2_src_change_event_subscribe(fh, sub); |
| 1179 | break; |
| 1180 | default: |
| 1181 | break; |
| 1182 | } |
| 1183 | return -EINVAL; |
| 1184 | } |