Hans Verkuil | c88a96b | 2014-08-25 07:54:46 -0300 | [diff] [blame] | 1 | /* |
| 2 | * vivid-core.c - A Virtual Video Test Driver, core initialization |
| 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/module.h> |
| 21 | #include <linux/errno.h> |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/sched.h> |
| 25 | #include <linux/slab.h> |
Hans Verkuil | 5754d0d | 2014-09-03 04:29:00 -0300 | [diff] [blame] | 26 | #include <linux/vmalloc.h> |
Hans Verkuil | c88a96b | 2014-08-25 07:54:46 -0300 | [diff] [blame] | 27 | #include <linux/font.h> |
| 28 | #include <linux/mutex.h> |
| 29 | #include <linux/videodev2.h> |
| 30 | #include <linux/v4l2-dv-timings.h> |
| 31 | #include <media/videobuf2-vmalloc.h> |
| 32 | #include <media/v4l2-dv-timings.h> |
| 33 | #include <media/v4l2-ioctl.h> |
| 34 | #include <media/v4l2-fh.h> |
| 35 | #include <media/v4l2-event.h> |
| 36 | |
| 37 | #include "vivid-core.h" |
| 38 | #include "vivid-vid-common.h" |
| 39 | #include "vivid-vid-cap.h" |
| 40 | #include "vivid-vid-out.h" |
| 41 | #include "vivid-radio-common.h" |
| 42 | #include "vivid-radio-rx.h" |
| 43 | #include "vivid-radio-tx.h" |
| 44 | #include "vivid-sdr-cap.h" |
| 45 | #include "vivid-vbi-cap.h" |
| 46 | #include "vivid-vbi-out.h" |
| 47 | #include "vivid-osd.h" |
| 48 | #include "vivid-ctrls.h" |
| 49 | |
| 50 | #define VIVID_MODULE_NAME "vivid" |
| 51 | |
| 52 | /* The maximum number of vivid devices */ |
| 53 | #define VIVID_MAX_DEVS 64 |
| 54 | |
| 55 | MODULE_DESCRIPTION("Virtual Video Test Driver"); |
| 56 | MODULE_AUTHOR("Hans Verkuil"); |
| 57 | MODULE_LICENSE("GPL"); |
| 58 | |
| 59 | static unsigned n_devs = 1; |
| 60 | module_param(n_devs, uint, 0444); |
| 61 | MODULE_PARM_DESC(n_devs, " number of driver instances to create"); |
| 62 | |
| 63 | static int vid_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 64 | module_param_array(vid_cap_nr, int, NULL, 0444); |
| 65 | MODULE_PARM_DESC(vid_cap_nr, " videoX start number, -1 is autodetect"); |
| 66 | |
| 67 | static int vid_out_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 68 | module_param_array(vid_out_nr, int, NULL, 0444); |
| 69 | MODULE_PARM_DESC(vid_out_nr, " videoX start number, -1 is autodetect"); |
| 70 | |
| 71 | static int vbi_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 72 | module_param_array(vbi_cap_nr, int, NULL, 0444); |
| 73 | MODULE_PARM_DESC(vbi_cap_nr, " vbiX start number, -1 is autodetect"); |
| 74 | |
| 75 | static int vbi_out_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 76 | module_param_array(vbi_out_nr, int, NULL, 0444); |
| 77 | MODULE_PARM_DESC(vbi_out_nr, " vbiX start number, -1 is autodetect"); |
| 78 | |
| 79 | static int sdr_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 80 | module_param_array(sdr_cap_nr, int, NULL, 0444); |
| 81 | MODULE_PARM_DESC(sdr_cap_nr, " swradioX start number, -1 is autodetect"); |
| 82 | |
| 83 | static int radio_rx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 84 | module_param_array(radio_rx_nr, int, NULL, 0444); |
| 85 | MODULE_PARM_DESC(radio_rx_nr, " radioX start number, -1 is autodetect"); |
| 86 | |
| 87 | static int radio_tx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 88 | module_param_array(radio_tx_nr, int, NULL, 0444); |
| 89 | MODULE_PARM_DESC(radio_tx_nr, " radioX start number, -1 is autodetect"); |
| 90 | |
| 91 | static int ccs_cap_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 92 | module_param_array(ccs_cap_mode, int, NULL, 0444); |
| 93 | MODULE_PARM_DESC(ccs_cap_mode, " capture crop/compose/scale mode:\n" |
| 94 | "\t\t bit 0=crop, 1=compose, 2=scale,\n" |
| 95 | "\t\t -1=user-controlled (default)"); |
| 96 | |
| 97 | static int ccs_out_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; |
| 98 | module_param_array(ccs_out_mode, int, NULL, 0444); |
| 99 | MODULE_PARM_DESC(ccs_out_mode, " output crop/compose/scale mode:\n" |
| 100 | "\t\t bit 0=crop, 1=compose, 2=scale,\n" |
| 101 | "\t\t -1=user-controlled (default)"); |
| 102 | |
Hans Verkuil | cba63cf | 2014-11-03 07:42:09 -0300 | [diff] [blame] | 103 | static unsigned multiplanar[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 1 }; |
Hans Verkuil | c88a96b | 2014-08-25 07:54:46 -0300 | [diff] [blame] | 104 | module_param_array(multiplanar, uint, NULL, 0444); |
Hans Verkuil | cba63cf | 2014-11-03 07:42:09 -0300 | [diff] [blame] | 105 | MODULE_PARM_DESC(multiplanar, " 1 (default) creates a single planar device, 2 creates a multiplanar device."); |
Hans Verkuil | c88a96b | 2014-08-25 07:54:46 -0300 | [diff] [blame] | 106 | |
| 107 | /* Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + vbi-out + vid-out */ |
| 108 | static unsigned node_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0x1d3d }; |
| 109 | module_param_array(node_types, uint, NULL, 0444); |
| 110 | MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the following meaning:\n" |
| 111 | "\t\t bit 0: Video Capture node\n" |
| 112 | "\t\t bit 2-3: VBI Capture node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" |
| 113 | "\t\t bit 4: Radio Receiver node\n" |
| 114 | "\t\t bit 5: Software Defined Radio Receiver node\n" |
| 115 | "\t\t bit 8: Video Output node\n" |
| 116 | "\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" |
| 117 | "\t\t bit 12: Radio Transmitter node\n" |
| 118 | "\t\t bit 16: Framebuffer for testing overlays"); |
| 119 | |
| 120 | /* Default: 4 inputs */ |
| 121 | static unsigned num_inputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 4 }; |
| 122 | module_param_array(num_inputs, uint, NULL, 0444); |
| 123 | MODULE_PARM_DESC(num_inputs, " number of inputs, default is 4"); |
| 124 | |
| 125 | /* Default: input 0 = WEBCAM, 1 = TV, 2 = SVID, 3 = HDMI */ |
| 126 | static unsigned input_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0xe4 }; |
| 127 | module_param_array(input_types, uint, NULL, 0444); |
| 128 | MODULE_PARM_DESC(input_types, " input types, default is 0xe4. Two bits per input,\n" |
| 129 | "\t\t bits 0-1 == input 0, bits 31-30 == input 15.\n" |
| 130 | "\t\t Type 0 == webcam, 1 == TV, 2 == S-Video, 3 == HDMI"); |
| 131 | |
| 132 | /* Default: 2 outputs */ |
| 133 | static unsigned num_outputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 2 }; |
| 134 | module_param_array(num_outputs, uint, NULL, 0444); |
| 135 | MODULE_PARM_DESC(num_outputs, " number of outputs, default is 2"); |
| 136 | |
| 137 | /* Default: output 0 = SVID, 1 = HDMI */ |
| 138 | static unsigned output_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 2 }; |
| 139 | module_param_array(output_types, uint, NULL, 0444); |
| 140 | MODULE_PARM_DESC(output_types, " output types, default is 0x02. One bit per output,\n" |
| 141 | "\t\t bit 0 == output 0, bit 15 == output 15.\n" |
| 142 | "\t\t Type 0 == S-Video, 1 == HDMI"); |
| 143 | |
| 144 | unsigned vivid_debug; |
| 145 | module_param(vivid_debug, uint, 0644); |
| 146 | MODULE_PARM_DESC(vivid_debug, " activates debug info"); |
| 147 | |
| 148 | static bool no_error_inj; |
| 149 | module_param(no_error_inj, bool, 0444); |
| 150 | MODULE_PARM_DESC(no_error_inj, " if set disable the error injecting controls"); |
| 151 | |
| 152 | static struct vivid_dev *vivid_devs[VIVID_MAX_DEVS]; |
| 153 | |
| 154 | const struct v4l2_rect vivid_min_rect = { |
| 155 | 0, 0, MIN_WIDTH, MIN_HEIGHT |
| 156 | }; |
| 157 | |
| 158 | const struct v4l2_rect vivid_max_rect = { |
| 159 | 0, 0, MAX_WIDTH * MAX_ZOOM, MAX_HEIGHT * MAX_ZOOM |
| 160 | }; |
| 161 | |
| 162 | static const u8 vivid_hdmi_edid[256] = { |
| 163 | 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, |
| 164 | 0x63, 0x3a, 0xaa, 0x55, 0x00, 0x00, 0x00, 0x00, |
| 165 | 0x0a, 0x18, 0x01, 0x03, 0x80, 0x10, 0x09, 0x78, |
| 166 | 0x0e, 0x00, 0xb2, 0xa0, 0x57, 0x49, 0x9b, 0x26, |
| 167 | 0x10, 0x48, 0x4f, 0x2f, 0xcf, 0x00, 0x31, 0x59, |
| 168 | 0x45, 0x59, 0x81, 0x80, 0x81, 0x40, 0x90, 0x40, |
| 169 | 0x95, 0x00, 0xa9, 0x40, 0xb3, 0x00, 0x02, 0x3a, |
| 170 | 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c, |
| 171 | 0x46, 0x00, 0x10, 0x09, 0x00, 0x00, 0x00, 0x1e, |
| 172 | 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x55, 0x18, |
| 173 | 0x5e, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, |
| 174 | 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 'v', |
| 175 | '4', 'l', '2', '-', 'h', 'd', 'm', 'i', |
| 176 | 0x0a, 0x0a, 0x0a, 0x0a, 0x00, 0x00, 0x00, 0x10, |
| 177 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 178 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xf0, |
| 179 | |
| 180 | 0x02, 0x03, 0x1a, 0xc0, 0x48, 0xa2, 0x10, 0x04, |
| 181 | 0x02, 0x01, 0x21, 0x14, 0x13, 0x23, 0x09, 0x07, |
| 182 | 0x07, 0x65, 0x03, 0x0c, 0x00, 0x10, 0x00, 0xe2, |
| 183 | 0x00, 0x2a, 0x01, 0x1d, 0x00, 0x80, 0x51, 0xd0, |
| 184 | 0x1c, 0x20, 0x40, 0x80, 0x35, 0x00, 0x00, 0x00, |
| 185 | 0x00, 0x00, 0x00, 0x1e, 0x8c, 0x0a, 0xd0, 0x8a, |
| 186 | 0x20, 0xe0, 0x2d, 0x10, 0x10, 0x3e, 0x96, 0x00, |
| 187 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, |
| 188 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 189 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 190 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 191 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 192 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 193 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 194 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 195 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd7 |
| 196 | }; |
| 197 | |
| 198 | void vivid_lock(struct vb2_queue *vq) |
| 199 | { |
| 200 | struct vivid_dev *dev = vb2_get_drv_priv(vq); |
| 201 | |
| 202 | mutex_lock(&dev->mutex); |
| 203 | } |
| 204 | |
| 205 | void vivid_unlock(struct vb2_queue *vq) |
| 206 | { |
| 207 | struct vivid_dev *dev = vb2_get_drv_priv(vq); |
| 208 | |
| 209 | mutex_unlock(&dev->mutex); |
| 210 | } |
| 211 | |
| 212 | static int vidioc_querycap(struct file *file, void *priv, |
| 213 | struct v4l2_capability *cap) |
| 214 | { |
| 215 | struct vivid_dev *dev = video_drvdata(file); |
| 216 | struct video_device *vdev = video_devdata(file); |
| 217 | |
| 218 | strcpy(cap->driver, "vivid"); |
| 219 | strcpy(cap->card, "vivid"); |
| 220 | snprintf(cap->bus_info, sizeof(cap->bus_info), |
| 221 | "platform:%s", dev->v4l2_dev.name); |
| 222 | |
| 223 | if (vdev->vfl_type == VFL_TYPE_GRABBER && vdev->vfl_dir == VFL_DIR_RX) |
| 224 | cap->device_caps = dev->vid_cap_caps; |
| 225 | if (vdev->vfl_type == VFL_TYPE_GRABBER && vdev->vfl_dir == VFL_DIR_TX) |
| 226 | cap->device_caps = dev->vid_out_caps; |
| 227 | else if (vdev->vfl_type == VFL_TYPE_VBI && vdev->vfl_dir == VFL_DIR_RX) |
| 228 | cap->device_caps = dev->vbi_cap_caps; |
| 229 | else if (vdev->vfl_type == VFL_TYPE_VBI && vdev->vfl_dir == VFL_DIR_TX) |
| 230 | cap->device_caps = dev->vbi_out_caps; |
| 231 | else if (vdev->vfl_type == VFL_TYPE_SDR) |
| 232 | cap->device_caps = dev->sdr_cap_caps; |
| 233 | else if (vdev->vfl_type == VFL_TYPE_RADIO && vdev->vfl_dir == VFL_DIR_RX) |
| 234 | cap->device_caps = dev->radio_rx_caps; |
| 235 | else if (vdev->vfl_type == VFL_TYPE_RADIO && vdev->vfl_dir == VFL_DIR_TX) |
| 236 | cap->device_caps = dev->radio_tx_caps; |
| 237 | cap->capabilities = dev->vid_cap_caps | dev->vid_out_caps | |
| 238 | dev->vbi_cap_caps | dev->vbi_out_caps | |
| 239 | dev->radio_rx_caps | dev->radio_tx_caps | |
| 240 | dev->sdr_cap_caps | V4L2_CAP_DEVICE_CAPS; |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | static int vidioc_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a) |
| 245 | { |
| 246 | struct video_device *vdev = video_devdata(file); |
| 247 | |
| 248 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
| 249 | return vivid_radio_rx_s_hw_freq_seek(file, fh, a); |
| 250 | return -ENOTTY; |
| 251 | } |
| 252 | |
| 253 | static int vidioc_enum_freq_bands(struct file *file, void *fh, struct v4l2_frequency_band *band) |
| 254 | { |
| 255 | struct video_device *vdev = video_devdata(file); |
| 256 | |
| 257 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
| 258 | return vivid_radio_rx_enum_freq_bands(file, fh, band); |
| 259 | if (vdev->vfl_type == VFL_TYPE_SDR) |
| 260 | return vivid_sdr_enum_freq_bands(file, fh, band); |
| 261 | return -ENOTTY; |
| 262 | } |
| 263 | |
| 264 | static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) |
| 265 | { |
| 266 | struct video_device *vdev = video_devdata(file); |
| 267 | |
| 268 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
| 269 | return vivid_radio_rx_g_tuner(file, fh, vt); |
| 270 | if (vdev->vfl_type == VFL_TYPE_SDR) |
| 271 | return vivid_sdr_g_tuner(file, fh, vt); |
| 272 | return vivid_video_g_tuner(file, fh, vt); |
| 273 | } |
| 274 | |
| 275 | static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt) |
| 276 | { |
| 277 | struct video_device *vdev = video_devdata(file); |
| 278 | |
| 279 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
| 280 | return vivid_radio_rx_s_tuner(file, fh, vt); |
| 281 | if (vdev->vfl_type == VFL_TYPE_SDR) |
| 282 | return vivid_sdr_s_tuner(file, fh, vt); |
| 283 | return vivid_video_s_tuner(file, fh, vt); |
| 284 | } |
| 285 | |
| 286 | static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf) |
| 287 | { |
| 288 | struct vivid_dev *dev = video_drvdata(file); |
| 289 | struct video_device *vdev = video_devdata(file); |
| 290 | |
| 291 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
| 292 | return vivid_radio_g_frequency(file, |
| 293 | vdev->vfl_dir == VFL_DIR_RX ? |
| 294 | &dev->radio_rx_freq : &dev->radio_tx_freq, vf); |
| 295 | if (vdev->vfl_type == VFL_TYPE_SDR) |
| 296 | return vivid_sdr_g_frequency(file, fh, vf); |
| 297 | return vivid_video_g_frequency(file, fh, vf); |
| 298 | } |
| 299 | |
| 300 | static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf) |
| 301 | { |
| 302 | struct vivid_dev *dev = video_drvdata(file); |
| 303 | struct video_device *vdev = video_devdata(file); |
| 304 | |
| 305 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
| 306 | return vivid_radio_s_frequency(file, |
| 307 | vdev->vfl_dir == VFL_DIR_RX ? |
| 308 | &dev->radio_rx_freq : &dev->radio_tx_freq, vf); |
| 309 | if (vdev->vfl_type == VFL_TYPE_SDR) |
| 310 | return vivid_sdr_s_frequency(file, fh, vf); |
| 311 | return vivid_video_s_frequency(file, fh, vf); |
| 312 | } |
| 313 | |
| 314 | static int vidioc_overlay(struct file *file, void *fh, unsigned i) |
| 315 | { |
| 316 | struct video_device *vdev = video_devdata(file); |
| 317 | |
| 318 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 319 | return vivid_vid_cap_overlay(file, fh, i); |
| 320 | return vivid_vid_out_overlay(file, fh, i); |
| 321 | } |
| 322 | |
| 323 | static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a) |
| 324 | { |
| 325 | struct video_device *vdev = video_devdata(file); |
| 326 | |
| 327 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 328 | return vivid_vid_cap_g_fbuf(file, fh, a); |
| 329 | return vivid_vid_out_g_fbuf(file, fh, a); |
| 330 | } |
| 331 | |
| 332 | static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a) |
| 333 | { |
| 334 | struct video_device *vdev = video_devdata(file); |
| 335 | |
| 336 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 337 | return vivid_vid_cap_s_fbuf(file, fh, a); |
| 338 | return vivid_vid_out_s_fbuf(file, fh, a); |
| 339 | } |
| 340 | |
| 341 | static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id id) |
| 342 | { |
| 343 | struct video_device *vdev = video_devdata(file); |
| 344 | |
| 345 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 346 | return vivid_vid_cap_s_std(file, fh, id); |
| 347 | return vivid_vid_out_s_std(file, fh, id); |
| 348 | } |
| 349 | |
| 350 | static int vidioc_s_dv_timings(struct file *file, void *fh, struct v4l2_dv_timings *timings) |
| 351 | { |
| 352 | struct video_device *vdev = video_devdata(file); |
| 353 | |
| 354 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 355 | return vivid_vid_cap_s_dv_timings(file, fh, timings); |
| 356 | return vivid_vid_out_s_dv_timings(file, fh, timings); |
| 357 | } |
| 358 | |
| 359 | static int vidioc_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cc) |
| 360 | { |
| 361 | struct video_device *vdev = video_devdata(file); |
| 362 | |
| 363 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 364 | return vivid_vid_cap_cropcap(file, fh, cc); |
| 365 | return vivid_vid_out_cropcap(file, fh, cc); |
| 366 | } |
| 367 | |
| 368 | static int vidioc_g_selection(struct file *file, void *fh, |
| 369 | struct v4l2_selection *sel) |
| 370 | { |
| 371 | struct video_device *vdev = video_devdata(file); |
| 372 | |
| 373 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 374 | return vivid_vid_cap_g_selection(file, fh, sel); |
| 375 | return vivid_vid_out_g_selection(file, fh, sel); |
| 376 | } |
| 377 | |
| 378 | static int vidioc_s_selection(struct file *file, void *fh, |
| 379 | struct v4l2_selection *sel) |
| 380 | { |
| 381 | struct video_device *vdev = video_devdata(file); |
| 382 | |
| 383 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 384 | return vivid_vid_cap_s_selection(file, fh, sel); |
| 385 | return vivid_vid_out_s_selection(file, fh, sel); |
| 386 | } |
| 387 | |
| 388 | static int vidioc_g_parm(struct file *file, void *fh, |
| 389 | struct v4l2_streamparm *parm) |
| 390 | { |
| 391 | struct video_device *vdev = video_devdata(file); |
| 392 | |
| 393 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 394 | return vivid_vid_cap_g_parm(file, fh, parm); |
| 395 | return vivid_vid_out_g_parm(file, fh, parm); |
| 396 | } |
| 397 | |
| 398 | static int vidioc_s_parm(struct file *file, void *fh, |
| 399 | struct v4l2_streamparm *parm) |
| 400 | { |
| 401 | struct video_device *vdev = video_devdata(file); |
| 402 | |
| 403 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 404 | return vivid_vid_cap_s_parm(file, fh, parm); |
| 405 | return vivid_vid_out_g_parm(file, fh, parm); |
| 406 | } |
| 407 | |
| 408 | static ssize_t vivid_radio_read(struct file *file, char __user *buf, |
| 409 | size_t size, loff_t *offset) |
| 410 | { |
| 411 | struct video_device *vdev = video_devdata(file); |
| 412 | |
| 413 | if (vdev->vfl_dir == VFL_DIR_TX) |
| 414 | return -EINVAL; |
| 415 | return vivid_radio_rx_read(file, buf, size, offset); |
| 416 | } |
| 417 | |
| 418 | static ssize_t vivid_radio_write(struct file *file, const char __user *buf, |
| 419 | size_t size, loff_t *offset) |
| 420 | { |
| 421 | struct video_device *vdev = video_devdata(file); |
| 422 | |
| 423 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 424 | return -EINVAL; |
| 425 | return vivid_radio_tx_write(file, buf, size, offset); |
| 426 | } |
| 427 | |
| 428 | static unsigned int vivid_radio_poll(struct file *file, struct poll_table_struct *wait) |
| 429 | { |
| 430 | struct video_device *vdev = video_devdata(file); |
| 431 | |
| 432 | if (vdev->vfl_dir == VFL_DIR_RX) |
| 433 | return vivid_radio_rx_poll(file, wait); |
| 434 | return vivid_radio_tx_poll(file, wait); |
| 435 | } |
| 436 | |
| 437 | static bool vivid_is_in_use(struct video_device *vdev) |
| 438 | { |
| 439 | unsigned long flags; |
| 440 | bool res; |
| 441 | |
| 442 | spin_lock_irqsave(&vdev->fh_lock, flags); |
| 443 | res = !list_empty(&vdev->fh_list); |
| 444 | spin_unlock_irqrestore(&vdev->fh_lock, flags); |
| 445 | return res; |
| 446 | } |
| 447 | |
| 448 | static bool vivid_is_last_user(struct vivid_dev *dev) |
| 449 | { |
| 450 | unsigned uses = vivid_is_in_use(&dev->vid_cap_dev) + |
| 451 | vivid_is_in_use(&dev->vid_out_dev) + |
| 452 | vivid_is_in_use(&dev->vbi_cap_dev) + |
| 453 | vivid_is_in_use(&dev->vbi_out_dev) + |
| 454 | vivid_is_in_use(&dev->sdr_cap_dev) + |
| 455 | vivid_is_in_use(&dev->radio_rx_dev) + |
| 456 | vivid_is_in_use(&dev->radio_tx_dev); |
| 457 | |
| 458 | return uses == 1; |
| 459 | } |
| 460 | |
| 461 | static int vivid_fop_release(struct file *file) |
| 462 | { |
| 463 | struct vivid_dev *dev = video_drvdata(file); |
| 464 | struct video_device *vdev = video_devdata(file); |
| 465 | |
| 466 | mutex_lock(&dev->mutex); |
| 467 | if (!no_error_inj && v4l2_fh_is_singular_file(file) && |
| 468 | !video_is_registered(vdev) && vivid_is_last_user(dev)) { |
| 469 | /* |
| 470 | * I am the last user of this driver, and a disconnect |
| 471 | * was forced (since this video_device is unregistered), |
| 472 | * so re-register all video_device's again. |
| 473 | */ |
| 474 | v4l2_info(&dev->v4l2_dev, "reconnect\n"); |
| 475 | set_bit(V4L2_FL_REGISTERED, &dev->vid_cap_dev.flags); |
| 476 | set_bit(V4L2_FL_REGISTERED, &dev->vid_out_dev.flags); |
| 477 | set_bit(V4L2_FL_REGISTERED, &dev->vbi_cap_dev.flags); |
| 478 | set_bit(V4L2_FL_REGISTERED, &dev->vbi_out_dev.flags); |
| 479 | set_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); |
| 480 | set_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); |
| 481 | set_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); |
| 482 | } |
| 483 | mutex_unlock(&dev->mutex); |
| 484 | if (file->private_data == dev->overlay_cap_owner) |
| 485 | dev->overlay_cap_owner = NULL; |
| 486 | if (file->private_data == dev->radio_rx_rds_owner) { |
| 487 | dev->radio_rx_rds_last_block = 0; |
| 488 | dev->radio_rx_rds_owner = NULL; |
| 489 | } |
| 490 | if (file->private_data == dev->radio_tx_rds_owner) { |
| 491 | dev->radio_tx_rds_last_block = 0; |
| 492 | dev->radio_tx_rds_owner = NULL; |
| 493 | } |
| 494 | if (vdev->queue) |
| 495 | return vb2_fop_release(file); |
| 496 | return v4l2_fh_release(file); |
| 497 | } |
| 498 | |
| 499 | static const struct v4l2_file_operations vivid_fops = { |
| 500 | .owner = THIS_MODULE, |
| 501 | .open = v4l2_fh_open, |
| 502 | .release = vivid_fop_release, |
| 503 | .read = vb2_fop_read, |
| 504 | .write = vb2_fop_write, |
| 505 | .poll = vb2_fop_poll, |
| 506 | .unlocked_ioctl = video_ioctl2, |
| 507 | .mmap = vb2_fop_mmap, |
| 508 | }; |
| 509 | |
| 510 | static const struct v4l2_file_operations vivid_radio_fops = { |
| 511 | .owner = THIS_MODULE, |
| 512 | .open = v4l2_fh_open, |
| 513 | .release = vivid_fop_release, |
| 514 | .read = vivid_radio_read, |
| 515 | .write = vivid_radio_write, |
| 516 | .poll = vivid_radio_poll, |
| 517 | .unlocked_ioctl = video_ioctl2, |
| 518 | }; |
| 519 | |
| 520 | static const struct v4l2_ioctl_ops vivid_ioctl_ops = { |
| 521 | .vidioc_querycap = vidioc_querycap, |
| 522 | |
| 523 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid, |
| 524 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 525 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 526 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| 527 | .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_mplane, |
| 528 | .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt_vid_cap_mplane, |
| 529 | .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane, |
| 530 | .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt_vid_cap_mplane, |
| 531 | |
| 532 | .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid, |
| 533 | .vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out, |
| 534 | .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out, |
| 535 | .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, |
| 536 | .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_mplane, |
| 537 | .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt_vid_out_mplane, |
| 538 | .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane, |
| 539 | .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt_vid_out_mplane, |
| 540 | |
| 541 | .vidioc_g_selection = vidioc_g_selection, |
| 542 | .vidioc_s_selection = vidioc_s_selection, |
| 543 | .vidioc_cropcap = vidioc_cropcap, |
| 544 | |
| 545 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
| 546 | .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
| 547 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, |
| 548 | |
| 549 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
| 550 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_fmt_sliced_vbi_cap, |
| 551 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_s_fmt_sliced_vbi_cap, |
| 552 | .vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap, |
| 553 | |
| 554 | .vidioc_g_fmt_vbi_out = vidioc_g_fmt_vbi_out, |
| 555 | .vidioc_try_fmt_vbi_out = vidioc_g_fmt_vbi_out, |
| 556 | .vidioc_s_fmt_vbi_out = vidioc_s_fmt_vbi_out, |
| 557 | |
| 558 | .vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out, |
| 559 | .vidioc_try_fmt_sliced_vbi_out = vidioc_try_fmt_sliced_vbi_out, |
| 560 | .vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out, |
| 561 | |
| 562 | .vidioc_enum_fmt_sdr_cap = vidioc_enum_fmt_sdr_cap, |
| 563 | .vidioc_g_fmt_sdr_cap = vidioc_g_fmt_sdr_cap, |
| 564 | .vidioc_try_fmt_sdr_cap = vidioc_g_fmt_sdr_cap, |
| 565 | .vidioc_s_fmt_sdr_cap = vidioc_g_fmt_sdr_cap, |
| 566 | |
| 567 | .vidioc_overlay = vidioc_overlay, |
| 568 | .vidioc_enum_framesizes = vidioc_enum_framesizes, |
| 569 | .vidioc_enum_frameintervals = vidioc_enum_frameintervals, |
| 570 | .vidioc_g_parm = vidioc_g_parm, |
| 571 | .vidioc_s_parm = vidioc_s_parm, |
| 572 | |
| 573 | .vidioc_enum_fmt_vid_overlay = vidioc_enum_fmt_vid_overlay, |
| 574 | .vidioc_g_fmt_vid_overlay = vidioc_g_fmt_vid_overlay, |
| 575 | .vidioc_try_fmt_vid_overlay = vidioc_try_fmt_vid_overlay, |
| 576 | .vidioc_s_fmt_vid_overlay = vidioc_s_fmt_vid_overlay, |
| 577 | .vidioc_g_fmt_vid_out_overlay = vidioc_g_fmt_vid_out_overlay, |
| 578 | .vidioc_try_fmt_vid_out_overlay = vidioc_try_fmt_vid_out_overlay, |
| 579 | .vidioc_s_fmt_vid_out_overlay = vidioc_s_fmt_vid_out_overlay, |
Hans Verkuil | c88a96b | 2014-08-25 07:54:46 -0300 | [diff] [blame] | 580 | .vidioc_g_fbuf = vidioc_g_fbuf, |
| 581 | .vidioc_s_fbuf = vidioc_s_fbuf, |
| 582 | |
| 583 | .vidioc_reqbufs = vb2_ioctl_reqbufs, |
| 584 | .vidioc_create_bufs = vb2_ioctl_create_bufs, |
| 585 | .vidioc_prepare_buf = vb2_ioctl_prepare_buf, |
| 586 | .vidioc_querybuf = vb2_ioctl_querybuf, |
| 587 | .vidioc_qbuf = vb2_ioctl_qbuf, |
| 588 | .vidioc_dqbuf = vb2_ioctl_dqbuf, |
| 589 | /* Not yet .vidioc_expbuf = vb2_ioctl_expbuf,*/ |
| 590 | .vidioc_streamon = vb2_ioctl_streamon, |
| 591 | .vidioc_streamoff = vb2_ioctl_streamoff, |
| 592 | |
| 593 | .vidioc_enum_input = vidioc_enum_input, |
| 594 | .vidioc_g_input = vidioc_g_input, |
| 595 | .vidioc_s_input = vidioc_s_input, |
| 596 | .vidioc_s_audio = vidioc_s_audio, |
| 597 | .vidioc_g_audio = vidioc_g_audio, |
| 598 | .vidioc_enumaudio = vidioc_enumaudio, |
| 599 | .vidioc_s_frequency = vidioc_s_frequency, |
| 600 | .vidioc_g_frequency = vidioc_g_frequency, |
| 601 | .vidioc_s_tuner = vidioc_s_tuner, |
| 602 | .vidioc_g_tuner = vidioc_g_tuner, |
| 603 | .vidioc_s_modulator = vidioc_s_modulator, |
| 604 | .vidioc_g_modulator = vidioc_g_modulator, |
| 605 | .vidioc_s_hw_freq_seek = vidioc_s_hw_freq_seek, |
| 606 | .vidioc_enum_freq_bands = vidioc_enum_freq_bands, |
| 607 | |
| 608 | .vidioc_enum_output = vidioc_enum_output, |
| 609 | .vidioc_g_output = vidioc_g_output, |
| 610 | .vidioc_s_output = vidioc_s_output, |
| 611 | .vidioc_s_audout = vidioc_s_audout, |
| 612 | .vidioc_g_audout = vidioc_g_audout, |
| 613 | .vidioc_enumaudout = vidioc_enumaudout, |
| 614 | |
| 615 | .vidioc_querystd = vidioc_querystd, |
| 616 | .vidioc_g_std = vidioc_g_std, |
| 617 | .vidioc_s_std = vidioc_s_std, |
| 618 | .vidioc_s_dv_timings = vidioc_s_dv_timings, |
| 619 | .vidioc_g_dv_timings = vidioc_g_dv_timings, |
| 620 | .vidioc_query_dv_timings = vidioc_query_dv_timings, |
| 621 | .vidioc_enum_dv_timings = vidioc_enum_dv_timings, |
| 622 | .vidioc_dv_timings_cap = vidioc_dv_timings_cap, |
| 623 | .vidioc_g_edid = vidioc_g_edid, |
| 624 | .vidioc_s_edid = vidioc_s_edid, |
| 625 | |
| 626 | .vidioc_log_status = v4l2_ctrl_log_status, |
| 627 | .vidioc_subscribe_event = vidioc_subscribe_event, |
| 628 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
| 629 | }; |
| 630 | |
| 631 | /* ----------------------------------------------------------------- |
| 632 | Initialization and module stuff |
| 633 | ------------------------------------------------------------------*/ |
| 634 | |
| 635 | static int __init vivid_create_instance(int inst) |
| 636 | { |
| 637 | static const struct v4l2_dv_timings def_dv_timings = |
| 638 | V4L2_DV_BT_CEA_1280X720P60; |
| 639 | unsigned in_type_counter[4] = { 0, 0, 0, 0 }; |
| 640 | unsigned out_type_counter[4] = { 0, 0, 0, 0 }; |
| 641 | int ccs_cap = ccs_cap_mode[inst]; |
| 642 | int ccs_out = ccs_out_mode[inst]; |
| 643 | bool has_tuner; |
| 644 | bool has_modulator; |
| 645 | struct vivid_dev *dev; |
| 646 | struct video_device *vfd; |
| 647 | struct vb2_queue *q; |
| 648 | unsigned node_type = node_types[inst]; |
| 649 | v4l2_std_id tvnorms_cap = 0, tvnorms_out = 0; |
| 650 | int ret; |
| 651 | int i; |
| 652 | |
| 653 | /* allocate main vivid state structure */ |
| 654 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 655 | if (!dev) |
| 656 | return -ENOMEM; |
| 657 | |
| 658 | dev->inst = inst; |
| 659 | |
| 660 | /* register v4l2_device */ |
| 661 | snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), |
| 662 | "%s-%03d", VIVID_MODULE_NAME, inst); |
| 663 | ret = v4l2_device_register(NULL, &dev->v4l2_dev); |
| 664 | if (ret) |
| 665 | goto free_dev; |
| 666 | |
| 667 | /* start detecting feature set */ |
| 668 | |
| 669 | /* do we use single- or multi-planar? */ |
Hans Verkuil | cba63cf | 2014-11-03 07:42:09 -0300 | [diff] [blame] | 670 | dev->multiplanar = multiplanar[inst] > 1; |
Hans Verkuil | c88a96b | 2014-08-25 07:54:46 -0300 | [diff] [blame] | 671 | v4l2_info(&dev->v4l2_dev, "using %splanar format API\n", |
| 672 | dev->multiplanar ? "multi" : "single "); |
| 673 | |
| 674 | /* how many inputs do we have and of what type? */ |
| 675 | dev->num_inputs = num_inputs[inst]; |
| 676 | if (dev->num_inputs < 1) |
| 677 | dev->num_inputs = 1; |
| 678 | if (dev->num_inputs >= MAX_INPUTS) |
| 679 | dev->num_inputs = MAX_INPUTS; |
| 680 | for (i = 0; i < dev->num_inputs; i++) { |
| 681 | dev->input_type[i] = (input_types[inst] >> (i * 2)) & 0x3; |
| 682 | dev->input_name_counter[i] = in_type_counter[dev->input_type[i]]++; |
| 683 | } |
| 684 | dev->has_audio_inputs = in_type_counter[TV] && in_type_counter[SVID]; |
| 685 | |
| 686 | /* how many outputs do we have and of what type? */ |
| 687 | dev->num_outputs = num_outputs[inst]; |
| 688 | if (dev->num_outputs < 1) |
| 689 | dev->num_outputs = 1; |
| 690 | if (dev->num_outputs >= MAX_OUTPUTS) |
| 691 | dev->num_outputs = MAX_OUTPUTS; |
| 692 | for (i = 0; i < dev->num_outputs; i++) { |
| 693 | dev->output_type[i] = ((output_types[inst] >> i) & 1) ? HDMI : SVID; |
| 694 | dev->output_name_counter[i] = out_type_counter[dev->output_type[i]]++; |
| 695 | } |
| 696 | dev->has_audio_outputs = out_type_counter[SVID]; |
| 697 | |
| 698 | /* do we create a video capture device? */ |
| 699 | dev->has_vid_cap = node_type & 0x0001; |
| 700 | |
| 701 | /* do we create a vbi capture device? */ |
| 702 | if (in_type_counter[TV] || in_type_counter[SVID]) { |
| 703 | dev->has_raw_vbi_cap = node_type & 0x0004; |
| 704 | dev->has_sliced_vbi_cap = node_type & 0x0008; |
| 705 | dev->has_vbi_cap = dev->has_raw_vbi_cap | dev->has_sliced_vbi_cap; |
| 706 | } |
| 707 | |
| 708 | /* do we create a video output device? */ |
| 709 | dev->has_vid_out = node_type & 0x0100; |
| 710 | |
| 711 | /* do we create a vbi output device? */ |
| 712 | if (out_type_counter[SVID]) { |
| 713 | dev->has_raw_vbi_out = node_type & 0x0400; |
| 714 | dev->has_sliced_vbi_out = node_type & 0x0800; |
| 715 | dev->has_vbi_out = dev->has_raw_vbi_out | dev->has_sliced_vbi_out; |
| 716 | } |
| 717 | |
| 718 | /* do we create a radio receiver device? */ |
| 719 | dev->has_radio_rx = node_type & 0x0010; |
| 720 | |
| 721 | /* do we create a radio transmitter device? */ |
| 722 | dev->has_radio_tx = node_type & 0x1000; |
| 723 | |
| 724 | /* do we create a software defined radio capture device? */ |
| 725 | dev->has_sdr_cap = node_type & 0x0020; |
| 726 | |
| 727 | /* do we have a tuner? */ |
| 728 | has_tuner = ((dev->has_vid_cap || dev->has_vbi_cap) && in_type_counter[TV]) || |
| 729 | dev->has_radio_rx || dev->has_sdr_cap; |
| 730 | |
| 731 | /* do we have a modulator? */ |
| 732 | has_modulator = dev->has_radio_tx; |
| 733 | |
| 734 | if (dev->has_vid_cap) |
| 735 | /* do we have a framebuffer for overlay testing? */ |
| 736 | dev->has_fb = node_type & 0x10000; |
| 737 | |
| 738 | /* can we do crop/compose/scaling while capturing? */ |
| 739 | if (no_error_inj && ccs_cap == -1) |
| 740 | ccs_cap = 7; |
| 741 | |
| 742 | /* if ccs_cap == -1, then the use can select it using controls */ |
| 743 | if (ccs_cap != -1) { |
| 744 | dev->has_crop_cap = ccs_cap & 1; |
| 745 | dev->has_compose_cap = ccs_cap & 2; |
| 746 | dev->has_scaler_cap = ccs_cap & 4; |
| 747 | v4l2_info(&dev->v4l2_dev, "Capture Crop: %c Compose: %c Scaler: %c\n", |
| 748 | dev->has_crop_cap ? 'Y' : 'N', |
| 749 | dev->has_compose_cap ? 'Y' : 'N', |
| 750 | dev->has_scaler_cap ? 'Y' : 'N'); |
| 751 | } |
| 752 | |
| 753 | /* can we do crop/compose/scaling with video output? */ |
| 754 | if (no_error_inj && ccs_out == -1) |
| 755 | ccs_out = 7; |
| 756 | |
| 757 | /* if ccs_out == -1, then the use can select it using controls */ |
| 758 | if (ccs_out != -1) { |
| 759 | dev->has_crop_out = ccs_out & 1; |
| 760 | dev->has_compose_out = ccs_out & 2; |
| 761 | dev->has_scaler_out = ccs_out & 4; |
| 762 | v4l2_info(&dev->v4l2_dev, "Output Crop: %c Compose: %c Scaler: %c\n", |
| 763 | dev->has_crop_out ? 'Y' : 'N', |
| 764 | dev->has_compose_out ? 'Y' : 'N', |
| 765 | dev->has_scaler_out ? 'Y' : 'N'); |
| 766 | } |
| 767 | |
| 768 | /* end detecting feature set */ |
| 769 | |
| 770 | if (dev->has_vid_cap) { |
| 771 | /* set up the capabilities of the video capture device */ |
| 772 | dev->vid_cap_caps = dev->multiplanar ? |
| 773 | V4L2_CAP_VIDEO_CAPTURE_MPLANE : |
| 774 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY; |
| 775 | dev->vid_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
| 776 | if (dev->has_audio_inputs) |
| 777 | dev->vid_cap_caps |= V4L2_CAP_AUDIO; |
| 778 | if (in_type_counter[TV]) |
| 779 | dev->vid_cap_caps |= V4L2_CAP_TUNER; |
| 780 | } |
| 781 | if (dev->has_vid_out) { |
| 782 | /* set up the capabilities of the video output device */ |
| 783 | dev->vid_out_caps = dev->multiplanar ? |
| 784 | V4L2_CAP_VIDEO_OUTPUT_MPLANE : |
| 785 | V4L2_CAP_VIDEO_OUTPUT; |
| 786 | if (dev->has_fb) |
| 787 | dev->vid_out_caps |= V4L2_CAP_VIDEO_OUTPUT_OVERLAY; |
| 788 | dev->vid_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
| 789 | if (dev->has_audio_outputs) |
| 790 | dev->vid_out_caps |= V4L2_CAP_AUDIO; |
| 791 | } |
| 792 | if (dev->has_vbi_cap) { |
| 793 | /* set up the capabilities of the vbi capture device */ |
| 794 | dev->vbi_cap_caps = (dev->has_raw_vbi_cap ? V4L2_CAP_VBI_CAPTURE : 0) | |
| 795 | (dev->has_sliced_vbi_cap ? V4L2_CAP_SLICED_VBI_CAPTURE : 0); |
| 796 | dev->vbi_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
| 797 | if (dev->has_audio_inputs) |
| 798 | dev->vbi_cap_caps |= V4L2_CAP_AUDIO; |
| 799 | if (in_type_counter[TV]) |
| 800 | dev->vbi_cap_caps |= V4L2_CAP_TUNER; |
| 801 | } |
| 802 | if (dev->has_vbi_out) { |
| 803 | /* set up the capabilities of the vbi output device */ |
| 804 | dev->vbi_out_caps = (dev->has_raw_vbi_out ? V4L2_CAP_VBI_OUTPUT : 0) | |
| 805 | (dev->has_sliced_vbi_out ? V4L2_CAP_SLICED_VBI_OUTPUT : 0); |
| 806 | dev->vbi_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
| 807 | if (dev->has_audio_outputs) |
| 808 | dev->vbi_out_caps |= V4L2_CAP_AUDIO; |
| 809 | } |
| 810 | if (dev->has_sdr_cap) { |
| 811 | /* set up the capabilities of the sdr capture device */ |
| 812 | dev->sdr_cap_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER; |
| 813 | dev->sdr_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
| 814 | } |
| 815 | /* set up the capabilities of the radio receiver device */ |
| 816 | if (dev->has_radio_rx) |
| 817 | dev->radio_rx_caps = V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE | |
| 818 | V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER | |
| 819 | V4L2_CAP_READWRITE; |
| 820 | /* set up the capabilities of the radio transmitter device */ |
| 821 | if (dev->has_radio_tx) |
| 822 | dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR | |
| 823 | V4L2_CAP_READWRITE; |
| 824 | |
| 825 | /* initialize the test pattern generator */ |
| 826 | tpg_init(&dev->tpg, 640, 360); |
| 827 | if (tpg_alloc(&dev->tpg, MAX_ZOOM * MAX_WIDTH)) |
| 828 | goto free_dev; |
| 829 | dev->scaled_line = vzalloc(MAX_ZOOM * MAX_WIDTH); |
| 830 | if (!dev->scaled_line) |
| 831 | goto free_dev; |
| 832 | dev->blended_line = vzalloc(MAX_ZOOM * MAX_WIDTH); |
| 833 | if (!dev->blended_line) |
| 834 | goto free_dev; |
| 835 | |
| 836 | /* load the edid */ |
| 837 | dev->edid = vmalloc(256 * 128); |
| 838 | if (!dev->edid) |
| 839 | goto free_dev; |
| 840 | |
| 841 | /* create a string array containing the names of all the preset timings */ |
| 842 | while (v4l2_dv_timings_presets[dev->query_dv_timings_size].bt.width) |
| 843 | dev->query_dv_timings_size++; |
| 844 | dev->query_dv_timings_qmenu = kmalloc(dev->query_dv_timings_size * |
| 845 | (sizeof(void *) + 32), GFP_KERNEL); |
| 846 | if (dev->query_dv_timings_qmenu == NULL) |
| 847 | goto free_dev; |
| 848 | for (i = 0; i < dev->query_dv_timings_size; i++) { |
| 849 | const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; |
| 850 | char *p = (char *)&dev->query_dv_timings_qmenu[dev->query_dv_timings_size]; |
| 851 | u32 htot, vtot; |
| 852 | |
| 853 | p += i * 32; |
| 854 | dev->query_dv_timings_qmenu[i] = p; |
| 855 | |
| 856 | htot = V4L2_DV_BT_FRAME_WIDTH(bt); |
| 857 | vtot = V4L2_DV_BT_FRAME_HEIGHT(bt); |
| 858 | snprintf(p, 32, "%ux%u%s%u", |
| 859 | bt->width, bt->height, bt->interlaced ? "i" : "p", |
| 860 | (u32)bt->pixelclock / (htot * vtot)); |
| 861 | } |
| 862 | |
| 863 | /* disable invalid ioctls based on the feature set */ |
| 864 | if (!dev->has_audio_inputs) { |
| 865 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_AUDIO); |
| 866 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_AUDIO); |
| 867 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUMAUDIO); |
| 868 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_AUDIO); |
| 869 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_AUDIO); |
| 870 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_ENUMAUDIO); |
| 871 | } |
| 872 | if (!dev->has_audio_outputs) { |
| 873 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_AUDOUT); |
| 874 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_AUDOUT); |
| 875 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUMAUDOUT); |
| 876 | v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_S_AUDOUT); |
| 877 | v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_G_AUDOUT); |
| 878 | v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_ENUMAUDOUT); |
| 879 | } |
| 880 | if (!in_type_counter[TV] && !in_type_counter[SVID]) { |
| 881 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_STD); |
| 882 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_STD); |
| 883 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUMSTD); |
| 884 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_QUERYSTD); |
| 885 | } |
| 886 | if (!out_type_counter[SVID]) { |
| 887 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_STD); |
| 888 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_STD); |
| 889 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUMSTD); |
| 890 | } |
| 891 | if (!has_tuner && !has_modulator) { |
| 892 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_FREQUENCY); |
| 893 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_FREQUENCY); |
| 894 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_FREQUENCY); |
| 895 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_FREQUENCY); |
| 896 | } |
| 897 | if (!has_tuner) { |
| 898 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_TUNER); |
| 899 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_TUNER); |
| 900 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_TUNER); |
| 901 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_TUNER); |
| 902 | } |
| 903 | if (in_type_counter[HDMI] == 0) { |
| 904 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_EDID); |
| 905 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_EDID); |
| 906 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_DV_TIMINGS_CAP); |
| 907 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_DV_TIMINGS); |
| 908 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_DV_TIMINGS); |
| 909 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUM_DV_TIMINGS); |
| 910 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_QUERY_DV_TIMINGS); |
| 911 | } |
| 912 | if (out_type_counter[HDMI] == 0) { |
| 913 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_EDID); |
| 914 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_DV_TIMINGS_CAP); |
| 915 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_DV_TIMINGS); |
| 916 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_DV_TIMINGS); |
| 917 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_DV_TIMINGS); |
| 918 | } |
| 919 | if (!dev->has_fb) { |
| 920 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FBUF); |
| 921 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FBUF); |
| 922 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_OVERLAY); |
| 923 | } |
| 924 | v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_HW_FREQ_SEEK); |
| 925 | v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_HW_FREQ_SEEK); |
| 926 | v4l2_disable_ioctl(&dev->sdr_cap_dev, VIDIOC_S_HW_FREQ_SEEK); |
| 927 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FREQUENCY); |
| 928 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FREQUENCY); |
| 929 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMESIZES); |
| 930 | v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMEINTERVALS); |
| 931 | v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_S_FREQUENCY); |
| 932 | v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_G_FREQUENCY); |
| 933 | |
| 934 | /* configure internal data */ |
| 935 | dev->fmt_cap = &vivid_formats[0]; |
| 936 | dev->fmt_out = &vivid_formats[0]; |
| 937 | if (!dev->multiplanar) |
| 938 | vivid_formats[0].data_offset[0] = 0; |
| 939 | dev->webcam_size_idx = 1; |
| 940 | dev->webcam_ival_idx = 3; |
| 941 | tpg_s_fourcc(&dev->tpg, dev->fmt_cap->fourcc); |
| 942 | dev->std_cap = V4L2_STD_PAL; |
| 943 | dev->std_out = V4L2_STD_PAL; |
| 944 | if (dev->input_type[0] == TV || dev->input_type[0] == SVID) |
| 945 | tvnorms_cap = V4L2_STD_ALL; |
| 946 | if (dev->output_type[0] == SVID) |
| 947 | tvnorms_out = V4L2_STD_ALL; |
| 948 | dev->dv_timings_cap = def_dv_timings; |
| 949 | dev->dv_timings_out = def_dv_timings; |
| 950 | dev->tv_freq = 2804 /* 175.25 * 16 */; |
| 951 | dev->tv_audmode = V4L2_TUNER_MODE_STEREO; |
| 952 | dev->tv_field_cap = V4L2_FIELD_INTERLACED; |
| 953 | dev->tv_field_out = V4L2_FIELD_INTERLACED; |
| 954 | dev->radio_rx_freq = 95000 * 16; |
| 955 | dev->radio_rx_audmode = V4L2_TUNER_MODE_STEREO; |
| 956 | if (dev->has_radio_tx) { |
| 957 | dev->radio_tx_freq = 95500 * 16; |
| 958 | dev->radio_rds_loop = false; |
| 959 | } |
| 960 | dev->radio_tx_subchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_RDS; |
| 961 | dev->sdr_adc_freq = 300000; |
| 962 | dev->sdr_fm_freq = 50000000; |
| 963 | dev->edid_max_blocks = dev->edid_blocks = 2; |
| 964 | memcpy(dev->edid, vivid_hdmi_edid, sizeof(vivid_hdmi_edid)); |
| 965 | ktime_get_ts(&dev->radio_rds_init_ts); |
| 966 | |
| 967 | /* create all controls */ |
| 968 | ret = vivid_create_controls(dev, ccs_cap == -1, ccs_out == -1, no_error_inj, |
| 969 | in_type_counter[TV] || in_type_counter[SVID] || |
| 970 | out_type_counter[SVID], |
| 971 | in_type_counter[HDMI] || out_type_counter[HDMI]); |
| 972 | if (ret) |
| 973 | goto unreg_dev; |
| 974 | |
| 975 | /* |
| 976 | * update the capture and output formats to do a proper initial |
| 977 | * configuration. |
| 978 | */ |
| 979 | vivid_update_format_cap(dev, false); |
| 980 | vivid_update_format_out(dev); |
| 981 | |
| 982 | v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_cap); |
| 983 | v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_out); |
| 984 | v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_cap); |
| 985 | v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_out); |
| 986 | v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_rx); |
| 987 | v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_tx); |
| 988 | v4l2_ctrl_handler_setup(&dev->ctrl_hdl_sdr_cap); |
| 989 | |
| 990 | /* initialize overlay */ |
| 991 | dev->fb_cap.fmt.width = dev->src_rect.width; |
| 992 | dev->fb_cap.fmt.height = dev->src_rect.height; |
| 993 | dev->fb_cap.fmt.pixelformat = dev->fmt_cap->fourcc; |
| 994 | dev->fb_cap.fmt.bytesperline = dev->src_rect.width * tpg_g_twopixelsize(&dev->tpg, 0) / 2; |
| 995 | dev->fb_cap.fmt.sizeimage = dev->src_rect.height * dev->fb_cap.fmt.bytesperline; |
| 996 | |
| 997 | /* initialize locks */ |
| 998 | spin_lock_init(&dev->slock); |
| 999 | mutex_init(&dev->mutex); |
| 1000 | |
| 1001 | /* init dma queues */ |
| 1002 | INIT_LIST_HEAD(&dev->vid_cap_active); |
| 1003 | INIT_LIST_HEAD(&dev->vid_out_active); |
| 1004 | INIT_LIST_HEAD(&dev->vbi_cap_active); |
| 1005 | INIT_LIST_HEAD(&dev->vbi_out_active); |
| 1006 | INIT_LIST_HEAD(&dev->sdr_cap_active); |
| 1007 | |
| 1008 | /* start creating the vb2 queues */ |
| 1009 | if (dev->has_vid_cap) { |
| 1010 | /* initialize vid_cap queue */ |
| 1011 | q = &dev->vb_vid_cap_q; |
| 1012 | q->type = dev->multiplanar ? V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE : |
| 1013 | V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1014 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; |
| 1015 | q->drv_priv = dev; |
| 1016 | q->buf_struct_size = sizeof(struct vivid_buffer); |
| 1017 | q->ops = &vivid_vid_cap_qops; |
| 1018 | q->mem_ops = &vb2_vmalloc_memops; |
| 1019 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 1020 | q->min_buffers_needed = 2; |
| 1021 | |
| 1022 | ret = vb2_queue_init(q); |
| 1023 | if (ret) |
| 1024 | goto unreg_dev; |
| 1025 | } |
| 1026 | |
| 1027 | if (dev->has_vid_out) { |
| 1028 | /* initialize vid_out queue */ |
| 1029 | q = &dev->vb_vid_out_q; |
| 1030 | q->type = dev->multiplanar ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : |
| 1031 | V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 1032 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_WRITE; |
| 1033 | q->drv_priv = dev; |
| 1034 | q->buf_struct_size = sizeof(struct vivid_buffer); |
| 1035 | q->ops = &vivid_vid_out_qops; |
| 1036 | q->mem_ops = &vb2_vmalloc_memops; |
| 1037 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 1038 | q->min_buffers_needed = 2; |
| 1039 | |
| 1040 | ret = vb2_queue_init(q); |
| 1041 | if (ret) |
| 1042 | goto unreg_dev; |
| 1043 | } |
| 1044 | |
| 1045 | if (dev->has_vbi_cap) { |
| 1046 | /* initialize vbi_cap queue */ |
| 1047 | q = &dev->vb_vbi_cap_q; |
| 1048 | q->type = dev->has_raw_vbi_cap ? V4L2_BUF_TYPE_VBI_CAPTURE : |
| 1049 | V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; |
| 1050 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; |
| 1051 | q->drv_priv = dev; |
| 1052 | q->buf_struct_size = sizeof(struct vivid_buffer); |
| 1053 | q->ops = &vivid_vbi_cap_qops; |
| 1054 | q->mem_ops = &vb2_vmalloc_memops; |
| 1055 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 1056 | q->min_buffers_needed = 2; |
| 1057 | |
| 1058 | ret = vb2_queue_init(q); |
| 1059 | if (ret) |
| 1060 | goto unreg_dev; |
| 1061 | } |
| 1062 | |
| 1063 | if (dev->has_vbi_out) { |
| 1064 | /* initialize vbi_out queue */ |
| 1065 | q = &dev->vb_vbi_out_q; |
| 1066 | q->type = dev->has_raw_vbi_out ? V4L2_BUF_TYPE_VBI_OUTPUT : |
| 1067 | V4L2_BUF_TYPE_SLICED_VBI_OUTPUT; |
| 1068 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_WRITE; |
| 1069 | q->drv_priv = dev; |
| 1070 | q->buf_struct_size = sizeof(struct vivid_buffer); |
| 1071 | q->ops = &vivid_vbi_out_qops; |
| 1072 | q->mem_ops = &vb2_vmalloc_memops; |
| 1073 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 1074 | q->min_buffers_needed = 2; |
| 1075 | |
| 1076 | ret = vb2_queue_init(q); |
| 1077 | if (ret) |
| 1078 | goto unreg_dev; |
| 1079 | } |
| 1080 | |
| 1081 | if (dev->has_sdr_cap) { |
| 1082 | /* initialize sdr_cap queue */ |
| 1083 | q = &dev->vb_sdr_cap_q; |
| 1084 | q->type = V4L2_BUF_TYPE_SDR_CAPTURE; |
| 1085 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; |
| 1086 | q->drv_priv = dev; |
| 1087 | q->buf_struct_size = sizeof(struct vivid_buffer); |
| 1088 | q->ops = &vivid_sdr_cap_qops; |
| 1089 | q->mem_ops = &vb2_vmalloc_memops; |
| 1090 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 1091 | q->min_buffers_needed = 8; |
| 1092 | |
| 1093 | ret = vb2_queue_init(q); |
| 1094 | if (ret) |
| 1095 | goto unreg_dev; |
| 1096 | } |
| 1097 | |
| 1098 | if (dev->has_fb) { |
| 1099 | /* Create framebuffer for testing capture/output overlay */ |
| 1100 | ret = vivid_fb_init(dev); |
| 1101 | if (ret) |
| 1102 | goto unreg_dev; |
| 1103 | v4l2_info(&dev->v4l2_dev, "Framebuffer device registered as fb%d\n", |
| 1104 | dev->fb_info.node); |
| 1105 | } |
| 1106 | |
| 1107 | /* finally start creating the device nodes */ |
| 1108 | if (dev->has_vid_cap) { |
| 1109 | vfd = &dev->vid_cap_dev; |
| 1110 | strlcpy(vfd->name, "vivid-vid-cap", sizeof(vfd->name)); |
| 1111 | vfd->fops = &vivid_fops; |
| 1112 | vfd->ioctl_ops = &vivid_ioctl_ops; |
| 1113 | vfd->release = video_device_release_empty; |
| 1114 | vfd->v4l2_dev = &dev->v4l2_dev; |
| 1115 | vfd->queue = &dev->vb_vid_cap_q; |
| 1116 | vfd->tvnorms = tvnorms_cap; |
| 1117 | |
| 1118 | /* |
| 1119 | * Provide a mutex to v4l2 core. It will be used to protect |
| 1120 | * all fops and v4l2 ioctls. |
| 1121 | */ |
| 1122 | vfd->lock = &dev->mutex; |
| 1123 | video_set_drvdata(vfd, dev); |
| 1124 | |
| 1125 | ret = video_register_device(vfd, VFL_TYPE_GRABBER, vid_cap_nr[inst]); |
| 1126 | if (ret < 0) |
| 1127 | goto unreg_dev; |
| 1128 | v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n", |
| 1129 | video_device_node_name(vfd)); |
| 1130 | } |
| 1131 | |
| 1132 | if (dev->has_vid_out) { |
| 1133 | vfd = &dev->vid_out_dev; |
| 1134 | strlcpy(vfd->name, "vivid-vid-out", sizeof(vfd->name)); |
| 1135 | vfd->vfl_dir = VFL_DIR_TX; |
| 1136 | vfd->fops = &vivid_fops; |
| 1137 | vfd->ioctl_ops = &vivid_ioctl_ops; |
| 1138 | vfd->release = video_device_release_empty; |
| 1139 | vfd->v4l2_dev = &dev->v4l2_dev; |
| 1140 | vfd->queue = &dev->vb_vid_out_q; |
| 1141 | vfd->tvnorms = tvnorms_out; |
| 1142 | |
| 1143 | /* |
| 1144 | * Provide a mutex to v4l2 core. It will be used to protect |
| 1145 | * all fops and v4l2 ioctls. |
| 1146 | */ |
| 1147 | vfd->lock = &dev->mutex; |
| 1148 | video_set_drvdata(vfd, dev); |
| 1149 | |
| 1150 | ret = video_register_device(vfd, VFL_TYPE_GRABBER, vid_out_nr[inst]); |
| 1151 | if (ret < 0) |
| 1152 | goto unreg_dev; |
| 1153 | v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s\n", |
| 1154 | video_device_node_name(vfd)); |
| 1155 | } |
| 1156 | |
| 1157 | if (dev->has_vbi_cap) { |
| 1158 | vfd = &dev->vbi_cap_dev; |
| 1159 | strlcpy(vfd->name, "vivid-vbi-cap", sizeof(vfd->name)); |
| 1160 | vfd->fops = &vivid_fops; |
| 1161 | vfd->ioctl_ops = &vivid_ioctl_ops; |
| 1162 | vfd->release = video_device_release_empty; |
| 1163 | vfd->v4l2_dev = &dev->v4l2_dev; |
| 1164 | vfd->queue = &dev->vb_vbi_cap_q; |
| 1165 | vfd->lock = &dev->mutex; |
| 1166 | vfd->tvnorms = tvnorms_cap; |
| 1167 | video_set_drvdata(vfd, dev); |
| 1168 | |
| 1169 | ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_cap_nr[inst]); |
| 1170 | if (ret < 0) |
| 1171 | goto unreg_dev; |
| 1172 | v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s, supports %s VBI\n", |
| 1173 | video_device_node_name(vfd), |
| 1174 | (dev->has_raw_vbi_cap && dev->has_sliced_vbi_cap) ? |
| 1175 | "raw and sliced" : |
| 1176 | (dev->has_raw_vbi_cap ? "raw" : "sliced")); |
| 1177 | } |
| 1178 | |
| 1179 | if (dev->has_vbi_out) { |
| 1180 | vfd = &dev->vbi_out_dev; |
| 1181 | strlcpy(vfd->name, "vivid-vbi-out", sizeof(vfd->name)); |
| 1182 | vfd->vfl_dir = VFL_DIR_TX; |
| 1183 | vfd->fops = &vivid_fops; |
| 1184 | vfd->ioctl_ops = &vivid_ioctl_ops; |
| 1185 | vfd->release = video_device_release_empty; |
| 1186 | vfd->v4l2_dev = &dev->v4l2_dev; |
| 1187 | vfd->queue = &dev->vb_vbi_out_q; |
| 1188 | vfd->lock = &dev->mutex; |
| 1189 | vfd->tvnorms = tvnorms_out; |
| 1190 | video_set_drvdata(vfd, dev); |
| 1191 | |
| 1192 | ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_out_nr[inst]); |
| 1193 | if (ret < 0) |
| 1194 | goto unreg_dev; |
| 1195 | v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s, supports %s VBI\n", |
| 1196 | video_device_node_name(vfd), |
| 1197 | (dev->has_raw_vbi_out && dev->has_sliced_vbi_out) ? |
| 1198 | "raw and sliced" : |
| 1199 | (dev->has_raw_vbi_out ? "raw" : "sliced")); |
| 1200 | } |
| 1201 | |
| 1202 | if (dev->has_sdr_cap) { |
| 1203 | vfd = &dev->sdr_cap_dev; |
| 1204 | strlcpy(vfd->name, "vivid-sdr-cap", sizeof(vfd->name)); |
| 1205 | vfd->fops = &vivid_fops; |
| 1206 | vfd->ioctl_ops = &vivid_ioctl_ops; |
| 1207 | vfd->release = video_device_release_empty; |
| 1208 | vfd->v4l2_dev = &dev->v4l2_dev; |
| 1209 | vfd->queue = &dev->vb_sdr_cap_q; |
| 1210 | vfd->lock = &dev->mutex; |
| 1211 | video_set_drvdata(vfd, dev); |
| 1212 | |
| 1213 | ret = video_register_device(vfd, VFL_TYPE_SDR, sdr_cap_nr[inst]); |
| 1214 | if (ret < 0) |
| 1215 | goto unreg_dev; |
| 1216 | v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n", |
| 1217 | video_device_node_name(vfd)); |
| 1218 | } |
| 1219 | |
| 1220 | if (dev->has_radio_rx) { |
| 1221 | vfd = &dev->radio_rx_dev; |
| 1222 | strlcpy(vfd->name, "vivid-rad-rx", sizeof(vfd->name)); |
| 1223 | vfd->fops = &vivid_radio_fops; |
| 1224 | vfd->ioctl_ops = &vivid_ioctl_ops; |
| 1225 | vfd->release = video_device_release_empty; |
| 1226 | vfd->v4l2_dev = &dev->v4l2_dev; |
| 1227 | vfd->lock = &dev->mutex; |
| 1228 | video_set_drvdata(vfd, dev); |
| 1229 | |
| 1230 | ret = video_register_device(vfd, VFL_TYPE_RADIO, radio_rx_nr[inst]); |
| 1231 | if (ret < 0) |
| 1232 | goto unreg_dev; |
| 1233 | v4l2_info(&dev->v4l2_dev, "V4L2 receiver device registered as %s\n", |
| 1234 | video_device_node_name(vfd)); |
| 1235 | } |
| 1236 | |
| 1237 | if (dev->has_radio_tx) { |
| 1238 | vfd = &dev->radio_tx_dev; |
| 1239 | strlcpy(vfd->name, "vivid-rad-tx", sizeof(vfd->name)); |
| 1240 | vfd->vfl_dir = VFL_DIR_TX; |
| 1241 | vfd->fops = &vivid_radio_fops; |
| 1242 | vfd->ioctl_ops = &vivid_ioctl_ops; |
| 1243 | vfd->release = video_device_release_empty; |
| 1244 | vfd->v4l2_dev = &dev->v4l2_dev; |
| 1245 | vfd->lock = &dev->mutex; |
| 1246 | video_set_drvdata(vfd, dev); |
| 1247 | |
| 1248 | ret = video_register_device(vfd, VFL_TYPE_RADIO, radio_tx_nr[inst]); |
| 1249 | if (ret < 0) |
| 1250 | goto unreg_dev; |
| 1251 | v4l2_info(&dev->v4l2_dev, "V4L2 transmitter device registered as %s\n", |
| 1252 | video_device_node_name(vfd)); |
| 1253 | } |
| 1254 | |
| 1255 | /* Now that everything is fine, let's add it to device list */ |
| 1256 | vivid_devs[inst] = dev; |
| 1257 | |
| 1258 | return 0; |
| 1259 | |
| 1260 | unreg_dev: |
| 1261 | video_unregister_device(&dev->radio_tx_dev); |
| 1262 | video_unregister_device(&dev->radio_rx_dev); |
| 1263 | video_unregister_device(&dev->sdr_cap_dev); |
| 1264 | video_unregister_device(&dev->vbi_out_dev); |
| 1265 | video_unregister_device(&dev->vbi_cap_dev); |
| 1266 | video_unregister_device(&dev->vid_out_dev); |
| 1267 | video_unregister_device(&dev->vid_cap_dev); |
| 1268 | vivid_free_controls(dev); |
| 1269 | v4l2_device_unregister(&dev->v4l2_dev); |
| 1270 | free_dev: |
| 1271 | vfree(dev->scaled_line); |
| 1272 | vfree(dev->blended_line); |
| 1273 | vfree(dev->edid); |
| 1274 | tpg_free(&dev->tpg); |
| 1275 | kfree(dev->query_dv_timings_qmenu); |
| 1276 | kfree(dev); |
| 1277 | return ret; |
| 1278 | } |
| 1279 | |
| 1280 | /* This routine allocates from 1 to n_devs virtual drivers. |
| 1281 | |
| 1282 | The real maximum number of virtual drivers will depend on how many drivers |
| 1283 | will succeed. This is limited to the maximum number of devices that |
| 1284 | videodev supports, which is equal to VIDEO_NUM_DEVICES. |
| 1285 | */ |
| 1286 | static int __init vivid_init(void) |
| 1287 | { |
| 1288 | const struct font_desc *font = find_font("VGA8x16"); |
| 1289 | int ret = 0, i; |
| 1290 | |
| 1291 | if (font == NULL) { |
| 1292 | pr_err("vivid: could not find font\n"); |
| 1293 | return -ENODEV; |
| 1294 | } |
| 1295 | |
| 1296 | tpg_set_font(font->data); |
| 1297 | |
| 1298 | n_devs = clamp_t(unsigned, n_devs, 1, VIVID_MAX_DEVS); |
| 1299 | |
| 1300 | for (i = 0; i < n_devs; i++) { |
| 1301 | ret = vivid_create_instance(i); |
| 1302 | if (ret) { |
| 1303 | /* If some instantiations succeeded, keep driver */ |
| 1304 | if (i) |
| 1305 | ret = 0; |
| 1306 | break; |
| 1307 | } |
| 1308 | } |
| 1309 | |
| 1310 | if (ret < 0) { |
| 1311 | pr_err("vivid: error %d while loading driver\n", ret); |
| 1312 | return ret; |
| 1313 | } |
| 1314 | |
| 1315 | /* n_devs will reflect the actual number of allocated devices */ |
| 1316 | n_devs = i; |
| 1317 | |
| 1318 | return ret; |
| 1319 | } |
| 1320 | |
| 1321 | static void __exit vivid_exit(void) |
| 1322 | { |
| 1323 | struct vivid_dev *dev; |
| 1324 | unsigned i; |
| 1325 | |
| 1326 | for (i = 0; vivid_devs[i]; i++) { |
| 1327 | dev = vivid_devs[i]; |
| 1328 | |
| 1329 | if (dev->has_vid_cap) { |
| 1330 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n", |
| 1331 | video_device_node_name(&dev->vid_cap_dev)); |
| 1332 | video_unregister_device(&dev->vid_cap_dev); |
| 1333 | } |
| 1334 | if (dev->has_vid_out) { |
| 1335 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n", |
| 1336 | video_device_node_name(&dev->vid_out_dev)); |
| 1337 | video_unregister_device(&dev->vid_out_dev); |
| 1338 | } |
| 1339 | if (dev->has_vbi_cap) { |
| 1340 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n", |
| 1341 | video_device_node_name(&dev->vbi_cap_dev)); |
| 1342 | video_unregister_device(&dev->vbi_cap_dev); |
| 1343 | } |
| 1344 | if (dev->has_vbi_out) { |
| 1345 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n", |
| 1346 | video_device_node_name(&dev->vbi_out_dev)); |
| 1347 | video_unregister_device(&dev->vbi_out_dev); |
| 1348 | } |
| 1349 | if (dev->has_sdr_cap) { |
| 1350 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n", |
| 1351 | video_device_node_name(&dev->sdr_cap_dev)); |
| 1352 | video_unregister_device(&dev->sdr_cap_dev); |
| 1353 | } |
| 1354 | if (dev->has_radio_rx) { |
| 1355 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n", |
| 1356 | video_device_node_name(&dev->radio_rx_dev)); |
| 1357 | video_unregister_device(&dev->radio_rx_dev); |
| 1358 | } |
| 1359 | if (dev->has_radio_tx) { |
| 1360 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n", |
| 1361 | video_device_node_name(&dev->radio_tx_dev)); |
| 1362 | video_unregister_device(&dev->radio_tx_dev); |
| 1363 | } |
| 1364 | if (dev->has_fb) { |
| 1365 | v4l2_info(&dev->v4l2_dev, "unregistering fb%d\n", |
| 1366 | dev->fb_info.node); |
| 1367 | unregister_framebuffer(&dev->fb_info); |
| 1368 | vivid_fb_release_buffers(dev); |
| 1369 | } |
| 1370 | v4l2_device_unregister(&dev->v4l2_dev); |
| 1371 | vivid_free_controls(dev); |
| 1372 | vfree(dev->scaled_line); |
| 1373 | vfree(dev->blended_line); |
| 1374 | vfree(dev->edid); |
| 1375 | vfree(dev->bitmap_cap); |
| 1376 | vfree(dev->bitmap_out); |
| 1377 | tpg_free(&dev->tpg); |
| 1378 | kfree(dev->query_dv_timings_qmenu); |
| 1379 | kfree(dev); |
| 1380 | vivid_devs[i] = NULL; |
| 1381 | } |
| 1382 | } |
| 1383 | |
| 1384 | module_init(vivid_init); |
| 1385 | module_exit(vivid_exit); |