1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * vivid-core.c - A Virtual Video Test Driver, core initialization 4 * 5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. 6 */ 7 8 #include <linux/module.h> 9 #include <linux/errno.h> 10 #include <linux/kernel.h> 11 #include <linux/init.h> 12 #include <linux/sched.h> 13 #include <linux/slab.h> 14 #include <linux/vmalloc.h> 15 #include <linux/font.h> 16 #include <linux/mutex.h> 17 #include <linux/platform_device.h> 18 #include <linux/videodev2.h> 19 #include <linux/v4l2-dv-timings.h> 20 #include <media/videobuf2-vmalloc.h> 21 #include <media/videobuf2-dma-contig.h> 22 #include <media/v4l2-dv-timings.h> 23 #include <media/v4l2-ioctl.h> 24 #include <media/v4l2-fh.h> 25 #include <media/v4l2-event.h> 26 27 #include "vivid-core.h" 28 #include "vivid-vid-common.h" 29 #include "vivid-vid-cap.h" 30 #include "vivid-vid-out.h" 31 #include "vivid-radio-common.h" 32 #include "vivid-radio-rx.h" 33 #include "vivid-radio-tx.h" 34 #include "vivid-sdr-cap.h" 35 #include "vivid-vbi-cap.h" 36 #include "vivid-vbi-out.h" 37 #include "vivid-osd.h" 38 #include "vivid-cec.h" 39 #include "vivid-ctrls.h" 40 #include "vivid-meta-cap.h" 41 #include "vivid-meta-out.h" 42 #include "vivid-touch-cap.h" 43 44 #define VIVID_MODULE_NAME "vivid" 45 46 /* The maximum number of vivid devices */ 47 #define VIVID_MAX_DEVS CONFIG_VIDEO_VIVID_MAX_DEVS 48 49 MODULE_DESCRIPTION("Virtual Video Test Driver"); 50 MODULE_AUTHOR("Hans Verkuil"); 51 MODULE_LICENSE("GPL"); 52 53 static unsigned n_devs = 1; 54 module_param(n_devs, uint, 0444); 55 MODULE_PARM_DESC(n_devs, " number of driver instances to create"); 56 57 static int vid_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 58 module_param_array(vid_cap_nr, int, NULL, 0444); 59 MODULE_PARM_DESC(vid_cap_nr, " videoX start number, -1 is autodetect"); 60 61 static int vid_out_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 62 module_param_array(vid_out_nr, int, NULL, 0444); 63 MODULE_PARM_DESC(vid_out_nr, " videoX start number, -1 is autodetect"); 64 65 static int vbi_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 66 module_param_array(vbi_cap_nr, int, NULL, 0444); 67 MODULE_PARM_DESC(vbi_cap_nr, " vbiX start number, -1 is autodetect"); 68 69 static int vbi_out_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 70 module_param_array(vbi_out_nr, int, NULL, 0444); 71 MODULE_PARM_DESC(vbi_out_nr, " vbiX start number, -1 is autodetect"); 72 73 static int sdr_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 74 module_param_array(sdr_cap_nr, int, NULL, 0444); 75 MODULE_PARM_DESC(sdr_cap_nr, " swradioX start number, -1 is autodetect"); 76 77 static int radio_rx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 78 module_param_array(radio_rx_nr, int, NULL, 0444); 79 MODULE_PARM_DESC(radio_rx_nr, " radioX start number, -1 is autodetect"); 80 81 static int radio_tx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 82 module_param_array(radio_tx_nr, int, NULL, 0444); 83 MODULE_PARM_DESC(radio_tx_nr, " radioX start number, -1 is autodetect"); 84 85 static int meta_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 86 module_param_array(meta_cap_nr, int, NULL, 0444); 87 MODULE_PARM_DESC(meta_cap_nr, " videoX start number, -1 is autodetect"); 88 89 static int meta_out_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 90 module_param_array(meta_out_nr, int, NULL, 0444); 91 MODULE_PARM_DESC(meta_out_nr, " videoX start number, -1 is autodetect"); 92 93 static int touch_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 94 module_param_array(touch_cap_nr, int, NULL, 0444); 95 MODULE_PARM_DESC(touch_cap_nr, " v4l-touchX start number, -1 is autodetect"); 96 97 static int ccs_cap_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 98 module_param_array(ccs_cap_mode, int, NULL, 0444); 99 MODULE_PARM_DESC(ccs_cap_mode, " capture crop/compose/scale mode:\n" 100 "\t\t bit 0=crop, 1=compose, 2=scale,\n" 101 "\t\t -1=user-controlled (default)"); 102 103 static int ccs_out_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 }; 104 module_param_array(ccs_out_mode, int, NULL, 0444); 105 MODULE_PARM_DESC(ccs_out_mode, " output crop/compose/scale mode:\n" 106 "\t\t bit 0=crop, 1=compose, 2=scale,\n" 107 "\t\t -1=user-controlled (default)"); 108 109 static unsigned multiplanar[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 1 }; 110 module_param_array(multiplanar, uint, NULL, 0444); 111 MODULE_PARM_DESC(multiplanar, " 1 (default) creates a single planar device, 2 creates a multiplanar device."); 112 113 /* 114 * Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + 115 * vbi-out + vid-out + meta-cap 116 */ 117 static unsigned int node_types[VIVID_MAX_DEVS] = { 118 [0 ... (VIVID_MAX_DEVS - 1)] = 0xe1d3d 119 }; 120 module_param_array(node_types, uint, NULL, 0444); 121 MODULE_PARM_DESC(node_types, " node types, default is 0xe1d3d. Bitmask with the following meaning:\n" 122 "\t\t bit 0: Video Capture node\n" 123 "\t\t bit 2-3: VBI Capture node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" 124 "\t\t bit 4: Radio Receiver node\n" 125 "\t\t bit 5: Software Defined Radio Receiver node\n" 126 "\t\t bit 8: Video Output node\n" 127 "\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n" 128 "\t\t bit 12: Radio Transmitter node\n" 129 "\t\t bit 16: Framebuffer for testing overlays\n" 130 "\t\t bit 17: Metadata Capture node\n" 131 "\t\t bit 18: Metadata Output node\n" 132 "\t\t bit 19: Touch Capture node\n"); 133 134 /* Default: 4 inputs */ 135 static unsigned num_inputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 4 }; 136 module_param_array(num_inputs, uint, NULL, 0444); 137 MODULE_PARM_DESC(num_inputs, " number of inputs, default is 4"); 138 139 /* Default: input 0 = WEBCAM, 1 = TV, 2 = SVID, 3 = HDMI */ 140 static unsigned input_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0xe4 }; 141 module_param_array(input_types, uint, NULL, 0444); 142 MODULE_PARM_DESC(input_types, " input types, default is 0xe4. Two bits per input,\n" 143 "\t\t bits 0-1 == input 0, bits 31-30 == input 15.\n" 144 "\t\t Type 0 == webcam, 1 == TV, 2 == S-Video, 3 == HDMI"); 145 146 /* Default: 2 outputs */ 147 static unsigned num_outputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 2 }; 148 module_param_array(num_outputs, uint, NULL, 0444); 149 MODULE_PARM_DESC(num_outputs, " number of outputs, default is 2"); 150 151 /* Default: output 0 = SVID, 1 = HDMI */ 152 static unsigned output_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 2 }; 153 module_param_array(output_types, uint, NULL, 0444); 154 MODULE_PARM_DESC(output_types, " output types, default is 0x02. One bit per output,\n" 155 "\t\t bit 0 == output 0, bit 15 == output 15.\n" 156 "\t\t Type 0 == S-Video, 1 == HDMI"); 157 158 unsigned vivid_debug; 159 module_param(vivid_debug, uint, 0644); 160 MODULE_PARM_DESC(vivid_debug, " activates debug info"); 161 162 static bool no_error_inj; 163 module_param(no_error_inj, bool, 0444); 164 MODULE_PARM_DESC(no_error_inj, " if set disable the error injecting controls"); 165 166 static unsigned int allocators[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0 }; 167 module_param_array(allocators, uint, NULL, 0444); 168 MODULE_PARM_DESC(allocators, " memory allocator selection, default is 0.\n" 169 "\t\t 0 == vmalloc\n" 170 "\t\t 1 == dma-contig"); 171 172 static unsigned int cache_hints[VIVID_MAX_DEVS] = { 173 [0 ... (VIVID_MAX_DEVS - 1)] = 0 174 }; 175 module_param_array(cache_hints, uint, NULL, 0444); 176 MODULE_PARM_DESC(cache_hints, " user-space cache hints, default is 0.\n" 177 "\t\t 0 == forbid\n" 178 "\t\t 1 == allow"); 179 180 static struct vivid_dev *vivid_devs[VIVID_MAX_DEVS]; 181 182 const struct v4l2_rect vivid_min_rect = { 183 0, 0, MIN_WIDTH, MIN_HEIGHT 184 }; 185 186 const struct v4l2_rect vivid_max_rect = { 187 0, 0, MAX_WIDTH * MAX_ZOOM, MAX_HEIGHT * MAX_ZOOM 188 }; 189 190 static const u8 vivid_hdmi_edid[256] = { 191 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 192 0x31, 0xd8, 0x34, 0x12, 0x00, 0x00, 0x00, 0x00, 193 0x22, 0x1a, 0x01, 0x03, 0x80, 0x60, 0x36, 0x78, 194 0x0f, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26, 195 0x0f, 0x50, 0x54, 0x2f, 0xcf, 0x00, 0x31, 0x59, 196 0x45, 0x59, 0x81, 0x80, 0x81, 0x40, 0x90, 0x40, 197 0x95, 0x00, 0xa9, 0x40, 0xb3, 0x00, 0x08, 0xe8, 198 0x00, 0x30, 0xf2, 0x70, 0x5a, 0x80, 0xb0, 0x58, 199 0x8a, 0x00, 0xc0, 0x1c, 0x32, 0x00, 0x00, 0x1e, 200 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x55, 0x18, 201 0x87, 0x3c, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 202 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x76, 203 0x69, 0x76, 0x69, 0x64, 0x0a, 0x20, 0x20, 0x20, 204 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x10, 205 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 206 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x7b, 207 208 0x02, 0x03, 0x3f, 0xf0, 0x51, 0x61, 0x60, 0x5f, 209 0x5e, 0x5d, 0x10, 0x1f, 0x04, 0x13, 0x22, 0x21, 210 0x20, 0x05, 0x14, 0x02, 0x11, 0x01, 0x23, 0x09, 211 0x07, 0x07, 0x83, 0x01, 0x00, 0x00, 0x6d, 0x03, 212 0x0c, 0x00, 0x10, 0x00, 0x00, 0x3c, 0x21, 0x00, 213 0x60, 0x01, 0x02, 0x03, 0x67, 0xd8, 0x5d, 0xc4, 214 0x01, 0x78, 0x00, 0x00, 0xe2, 0x00, 0xea, 0xe3, 215 0x05, 0x00, 0x00, 0xe3, 0x06, 0x01, 0x00, 0x4d, 216 0xd0, 0x00, 0xa0, 0xf0, 0x70, 0x3e, 0x80, 0x30, 217 0x20, 0x35, 0x00, 0xc0, 0x1c, 0x32, 0x00, 0x00, 218 0x1e, 0x1a, 0x36, 0x80, 0xa0, 0x70, 0x38, 0x1f, 219 0x40, 0x30, 0x20, 0x35, 0x00, 0xc0, 0x1c, 0x32, 220 0x00, 0x00, 0x1a, 0x1a, 0x1d, 0x00, 0x80, 0x51, 221 0xd0, 0x1c, 0x20, 0x40, 0x80, 0x35, 0x00, 0xc0, 222 0x1c, 0x32, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 223 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 224 }; 225 226 static int vidioc_querycap(struct file *file, void *priv, 227 struct v4l2_capability *cap) 228 { 229 struct vivid_dev *dev = video_drvdata(file); 230 231 strscpy(cap->driver, "vivid", sizeof(cap->driver)); 232 strscpy(cap->card, "vivid", sizeof(cap->card)); 233 snprintf(cap->bus_info, sizeof(cap->bus_info), 234 "platform:%s", dev->v4l2_dev.name); 235 236 cap->capabilities = dev->vid_cap_caps | dev->vid_out_caps | 237 dev->vbi_cap_caps | dev->vbi_out_caps | 238 dev->radio_rx_caps | dev->radio_tx_caps | 239 dev->sdr_cap_caps | dev->meta_cap_caps | 240 dev->meta_out_caps | dev->touch_cap_caps | 241 V4L2_CAP_DEVICE_CAPS; 242 return 0; 243 } 244 245 static int vidioc_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a) 246 { 247 struct video_device *vdev = video_devdata(file); 248 249 if (vdev->vfl_type == VFL_TYPE_RADIO) 250 return vivid_radio_rx_s_hw_freq_seek(file, fh, a); 251 return -ENOTTY; 252 } 253 254 static int vidioc_enum_freq_bands(struct file *file, void *fh, struct v4l2_frequency_band *band) 255 { 256 struct video_device *vdev = video_devdata(file); 257 258 if (vdev->vfl_type == VFL_TYPE_RADIO) 259 return vivid_radio_rx_enum_freq_bands(file, fh, band); 260 if (vdev->vfl_type == VFL_TYPE_SDR) 261 return vivid_sdr_enum_freq_bands(file, fh, band); 262 return -ENOTTY; 263 } 264 265 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) 266 { 267 struct video_device *vdev = video_devdata(file); 268 269 if (vdev->vfl_type == VFL_TYPE_RADIO) 270 return vivid_radio_rx_g_tuner(file, fh, vt); 271 if (vdev->vfl_type == VFL_TYPE_SDR) 272 return vivid_sdr_g_tuner(file, fh, vt); 273 return vivid_video_g_tuner(file, fh, vt); 274 } 275 276 static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt) 277 { 278 struct video_device *vdev = video_devdata(file); 279 280 if (vdev->vfl_type == VFL_TYPE_RADIO) 281 return vivid_radio_rx_s_tuner(file, fh, vt); 282 if (vdev->vfl_type == VFL_TYPE_SDR) 283 return vivid_sdr_s_tuner(file, fh, vt); 284 return vivid_video_s_tuner(file, fh, vt); 285 } 286 287 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf) 288 { 289 struct vivid_dev *dev = video_drvdata(file); 290 struct video_device *vdev = video_devdata(file); 291 292 if (vdev->vfl_type == VFL_TYPE_RADIO) 293 return vivid_radio_g_frequency(file, 294 vdev->vfl_dir == VFL_DIR_RX ? 295 &dev->radio_rx_freq : &dev->radio_tx_freq, vf); 296 if (vdev->vfl_type == VFL_TYPE_SDR) 297 return vivid_sdr_g_frequency(file, fh, vf); 298 return vivid_video_g_frequency(file, fh, vf); 299 } 300 301 static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf) 302 { 303 struct vivid_dev *dev = video_drvdata(file); 304 struct video_device *vdev = video_devdata(file); 305 306 if (vdev->vfl_type == VFL_TYPE_RADIO) 307 return vivid_radio_s_frequency(file, 308 vdev->vfl_dir == VFL_DIR_RX ? 309 &dev->radio_rx_freq : &dev->radio_tx_freq, vf); 310 if (vdev->vfl_type == VFL_TYPE_SDR) 311 return vivid_sdr_s_frequency(file, fh, vf); 312 return vivid_video_s_frequency(file, fh, vf); 313 } 314 315 static int vidioc_overlay(struct file *file, void *fh, unsigned i) 316 { 317 struct video_device *vdev = video_devdata(file); 318 319 if (vdev->vfl_dir == VFL_DIR_RX) 320 return vivid_vid_cap_overlay(file, fh, i); 321 return vivid_vid_out_overlay(file, fh, i); 322 } 323 324 static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a) 325 { 326 struct video_device *vdev = video_devdata(file); 327 328 if (vdev->vfl_dir == VFL_DIR_RX) 329 return vivid_vid_cap_g_fbuf(file, fh, a); 330 return vivid_vid_out_g_fbuf(file, fh, a); 331 } 332 333 static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a) 334 { 335 struct video_device *vdev = video_devdata(file); 336 337 if (vdev->vfl_dir == VFL_DIR_RX) 338 return vivid_vid_cap_s_fbuf(file, fh, a); 339 return vivid_vid_out_s_fbuf(file, fh, a); 340 } 341 342 static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id id) 343 { 344 struct video_device *vdev = video_devdata(file); 345 346 if (vdev->vfl_dir == VFL_DIR_RX) 347 return vivid_vid_cap_s_std(file, fh, id); 348 return vivid_vid_out_s_std(file, fh, id); 349 } 350 351 static int vidioc_s_dv_timings(struct file *file, void *fh, struct v4l2_dv_timings *timings) 352 { 353 struct video_device *vdev = video_devdata(file); 354 355 if (vdev->vfl_dir == VFL_DIR_RX) 356 return vivid_vid_cap_s_dv_timings(file, fh, timings); 357 return vivid_vid_out_s_dv_timings(file, fh, timings); 358 } 359 360 static int vidioc_g_pixelaspect(struct file *file, void *fh, 361 int type, struct v4l2_fract *f) 362 { 363 struct video_device *vdev = video_devdata(file); 364 365 if (vdev->vfl_dir == VFL_DIR_RX) 366 return vivid_vid_cap_g_pixelaspect(file, fh, type, f); 367 return vivid_vid_out_g_pixelaspect(file, fh, type, f); 368 } 369 370 static int vidioc_g_selection(struct file *file, void *fh, 371 struct v4l2_selection *sel) 372 { 373 struct video_device *vdev = video_devdata(file); 374 375 if (vdev->vfl_dir == VFL_DIR_RX) 376 return vivid_vid_cap_g_selection(file, fh, sel); 377 return vivid_vid_out_g_selection(file, fh, sel); 378 } 379 380 static int vidioc_s_selection(struct file *file, void *fh, 381 struct v4l2_selection *sel) 382 { 383 struct video_device *vdev = video_devdata(file); 384 385 if (vdev->vfl_dir == VFL_DIR_RX) 386 return vivid_vid_cap_s_selection(file, fh, sel); 387 return vivid_vid_out_s_selection(file, fh, sel); 388 } 389 390 static int vidioc_g_parm(struct file *file, void *fh, 391 struct v4l2_streamparm *parm) 392 { 393 struct video_device *vdev = video_devdata(file); 394 395 if (vdev->vfl_type == VFL_TYPE_TOUCH) 396 return vivid_g_parm_tch(file, fh, parm); 397 if (vdev->vfl_dir == VFL_DIR_RX) 398 return vivid_vid_cap_g_parm(file, fh, parm); 399 return vivid_vid_out_g_parm(file, fh, parm); 400 } 401 402 static int vidioc_s_parm(struct file *file, void *fh, 403 struct v4l2_streamparm *parm) 404 { 405 struct video_device *vdev = video_devdata(file); 406 407 if (vdev->vfl_dir == VFL_DIR_RX) 408 return vivid_vid_cap_s_parm(file, fh, parm); 409 return -ENOTTY; 410 } 411 412 static int vidioc_log_status(struct file *file, void *fh) 413 { 414 struct vivid_dev *dev = video_drvdata(file); 415 struct video_device *vdev = video_devdata(file); 416 417 v4l2_ctrl_log_status(file, fh); 418 if (vdev->vfl_dir == VFL_DIR_RX && vdev->vfl_type == VFL_TYPE_VIDEO) 419 tpg_log_status(&dev->tpg); 420 return 0; 421 } 422 423 static ssize_t vivid_radio_read(struct file *file, char __user *buf, 424 size_t size, loff_t *offset) 425 { 426 struct video_device *vdev = video_devdata(file); 427 428 if (vdev->vfl_dir == VFL_DIR_TX) 429 return -EINVAL; 430 return vivid_radio_rx_read(file, buf, size, offset); 431 } 432 433 static ssize_t vivid_radio_write(struct file *file, const char __user *buf, 434 size_t size, loff_t *offset) 435 { 436 struct video_device *vdev = video_devdata(file); 437 438 if (vdev->vfl_dir == VFL_DIR_RX) 439 return -EINVAL; 440 return vivid_radio_tx_write(file, buf, size, offset); 441 } 442 443 static __poll_t vivid_radio_poll(struct file *file, struct poll_table_struct *wait) 444 { 445 struct video_device *vdev = video_devdata(file); 446 447 if (vdev->vfl_dir == VFL_DIR_RX) 448 return vivid_radio_rx_poll(file, wait); 449 return vivid_radio_tx_poll(file, wait); 450 } 451 452 static int vivid_enum_input(struct file *file, void *priv, 453 struct v4l2_input *inp) 454 { 455 struct video_device *vdev = video_devdata(file); 456 457 if (vdev->vfl_type == VFL_TYPE_TOUCH) 458 return vivid_enum_input_tch(file, priv, inp); 459 return vidioc_enum_input(file, priv, inp); 460 } 461 462 static int vivid_g_input(struct file *file, void *priv, unsigned int *i) 463 { 464 struct video_device *vdev = video_devdata(file); 465 466 if (vdev->vfl_type == VFL_TYPE_TOUCH) 467 return vivid_g_input_tch(file, priv, i); 468 return vidioc_g_input(file, priv, i); 469 } 470 471 static int vivid_s_input(struct file *file, void *priv, unsigned int i) 472 { 473 struct video_device *vdev = video_devdata(file); 474 475 if (vdev->vfl_type == VFL_TYPE_TOUCH) 476 return vivid_s_input_tch(file, priv, i); 477 return vidioc_s_input(file, priv, i); 478 } 479 480 static int vivid_enum_fmt_cap(struct file *file, void *priv, 481 struct v4l2_fmtdesc *f) 482 { 483 struct video_device *vdev = video_devdata(file); 484 485 if (vdev->vfl_type == VFL_TYPE_TOUCH) 486 return vivid_enum_fmt_tch(file, priv, f); 487 return vivid_enum_fmt_vid(file, priv, f); 488 } 489 490 static int vivid_g_fmt_cap(struct file *file, void *priv, 491 struct v4l2_format *f) 492 { 493 struct video_device *vdev = video_devdata(file); 494 495 if (vdev->vfl_type == VFL_TYPE_TOUCH) 496 return vivid_g_fmt_tch(file, priv, f); 497 return vidioc_g_fmt_vid_cap(file, priv, f); 498 } 499 500 static int vivid_try_fmt_cap(struct file *file, void *priv, 501 struct v4l2_format *f) 502 { 503 struct video_device *vdev = video_devdata(file); 504 505 if (vdev->vfl_type == VFL_TYPE_TOUCH) 506 return vivid_g_fmt_tch(file, priv, f); 507 return vidioc_try_fmt_vid_cap(file, priv, f); 508 } 509 510 static int vivid_s_fmt_cap(struct file *file, void *priv, 511 struct v4l2_format *f) 512 { 513 struct video_device *vdev = video_devdata(file); 514 515 if (vdev->vfl_type == VFL_TYPE_TOUCH) 516 return vivid_g_fmt_tch(file, priv, f); 517 return vidioc_s_fmt_vid_cap(file, priv, f); 518 } 519 520 static int vivid_g_fmt_cap_mplane(struct file *file, void *priv, 521 struct v4l2_format *f) 522 { 523 struct video_device *vdev = video_devdata(file); 524 525 if (vdev->vfl_type == VFL_TYPE_TOUCH) 526 return vivid_g_fmt_tch_mplane(file, priv, f); 527 return vidioc_g_fmt_vid_cap_mplane(file, priv, f); 528 } 529 530 static int vivid_try_fmt_cap_mplane(struct file *file, void *priv, 531 struct v4l2_format *f) 532 { 533 struct video_device *vdev = video_devdata(file); 534 535 if (vdev->vfl_type == VFL_TYPE_TOUCH) 536 return vivid_g_fmt_tch_mplane(file, priv, f); 537 return vidioc_try_fmt_vid_cap_mplane(file, priv, f); 538 } 539 540 static int vivid_s_fmt_cap_mplane(struct file *file, void *priv, 541 struct v4l2_format *f) 542 { 543 struct video_device *vdev = video_devdata(file); 544 545 if (vdev->vfl_type == VFL_TYPE_TOUCH) 546 return vivid_g_fmt_tch_mplane(file, priv, f); 547 return vidioc_s_fmt_vid_cap_mplane(file, priv, f); 548 } 549 550 static bool vivid_is_in_use(struct video_device *vdev) 551 { 552 unsigned long flags; 553 bool res; 554 555 spin_lock_irqsave(&vdev->fh_lock, flags); 556 res = !list_empty(&vdev->fh_list); 557 spin_unlock_irqrestore(&vdev->fh_lock, flags); 558 return res; 559 } 560 561 static bool vivid_is_last_user(struct vivid_dev *dev) 562 { 563 unsigned uses = vivid_is_in_use(&dev->vid_cap_dev) + 564 vivid_is_in_use(&dev->vid_out_dev) + 565 vivid_is_in_use(&dev->vbi_cap_dev) + 566 vivid_is_in_use(&dev->vbi_out_dev) + 567 vivid_is_in_use(&dev->sdr_cap_dev) + 568 vivid_is_in_use(&dev->radio_rx_dev) + 569 vivid_is_in_use(&dev->radio_tx_dev) + 570 vivid_is_in_use(&dev->meta_cap_dev) + 571 vivid_is_in_use(&dev->meta_out_dev) + 572 vivid_is_in_use(&dev->touch_cap_dev); 573 574 return uses == 1; 575 } 576 577 static int vivid_fop_release(struct file *file) 578 { 579 struct vivid_dev *dev = video_drvdata(file); 580 struct video_device *vdev = video_devdata(file); 581 582 mutex_lock(&dev->mutex); 583 if (!no_error_inj && v4l2_fh_is_singular_file(file) && 584 !video_is_registered(vdev) && vivid_is_last_user(dev)) { 585 /* 586 * I am the last user of this driver, and a disconnect 587 * was forced (since this video_device is unregistered), 588 * so re-register all video_device's again. 589 */ 590 v4l2_info(&dev->v4l2_dev, "reconnect\n"); 591 set_bit(V4L2_FL_REGISTERED, &dev->vid_cap_dev.flags); 592 set_bit(V4L2_FL_REGISTERED, &dev->vid_out_dev.flags); 593 set_bit(V4L2_FL_REGISTERED, &dev->vbi_cap_dev.flags); 594 set_bit(V4L2_FL_REGISTERED, &dev->vbi_out_dev.flags); 595 set_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); 596 set_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); 597 set_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); 598 set_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); 599 set_bit(V4L2_FL_REGISTERED, &dev->meta_out_dev.flags); 600 set_bit(V4L2_FL_REGISTERED, &dev->touch_cap_dev.flags); 601 } 602 mutex_unlock(&dev->mutex); 603 if (file->private_data == dev->overlay_cap_owner) 604 dev->overlay_cap_owner = NULL; 605 if (file->private_data == dev->radio_rx_rds_owner) { 606 dev->radio_rx_rds_last_block = 0; 607 dev->radio_rx_rds_owner = NULL; 608 } 609 if (file->private_data == dev->radio_tx_rds_owner) { 610 dev->radio_tx_rds_last_block = 0; 611 dev->radio_tx_rds_owner = NULL; 612 } 613 if (vdev->queue) 614 return vb2_fop_release(file); 615 return v4l2_fh_release(file); 616 } 617 618 static const struct v4l2_file_operations vivid_fops = { 619 .owner = THIS_MODULE, 620 .open = v4l2_fh_open, 621 .release = vivid_fop_release, 622 .read = vb2_fop_read, 623 .write = vb2_fop_write, 624 .poll = vb2_fop_poll, 625 .unlocked_ioctl = video_ioctl2, 626 .mmap = vb2_fop_mmap, 627 }; 628 629 static const struct v4l2_file_operations vivid_radio_fops = { 630 .owner = THIS_MODULE, 631 .open = v4l2_fh_open, 632 .release = vivid_fop_release, 633 .read = vivid_radio_read, 634 .write = vivid_radio_write, 635 .poll = vivid_radio_poll, 636 .unlocked_ioctl = video_ioctl2, 637 }; 638 639 static const struct v4l2_ioctl_ops vivid_ioctl_ops = { 640 .vidioc_querycap = vidioc_querycap, 641 642 .vidioc_enum_fmt_vid_cap = vivid_enum_fmt_cap, 643 .vidioc_g_fmt_vid_cap = vivid_g_fmt_cap, 644 .vidioc_try_fmt_vid_cap = vivid_try_fmt_cap, 645 .vidioc_s_fmt_vid_cap = vivid_s_fmt_cap, 646 .vidioc_g_fmt_vid_cap_mplane = vivid_g_fmt_cap_mplane, 647 .vidioc_try_fmt_vid_cap_mplane = vivid_try_fmt_cap_mplane, 648 .vidioc_s_fmt_vid_cap_mplane = vivid_s_fmt_cap_mplane, 649 650 .vidioc_enum_fmt_vid_out = vivid_enum_fmt_vid, 651 .vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out, 652 .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out, 653 .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, 654 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt_vid_out_mplane, 655 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane, 656 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt_vid_out_mplane, 657 658 .vidioc_g_selection = vidioc_g_selection, 659 .vidioc_s_selection = vidioc_s_selection, 660 .vidioc_g_pixelaspect = vidioc_g_pixelaspect, 661 662 .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 663 .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, 664 .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, 665 666 .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, 667 .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_fmt_sliced_vbi_cap, 668 .vidioc_s_fmt_sliced_vbi_cap = vidioc_s_fmt_sliced_vbi_cap, 669 .vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap, 670 671 .vidioc_g_fmt_vbi_out = vidioc_g_fmt_vbi_out, 672 .vidioc_try_fmt_vbi_out = vidioc_g_fmt_vbi_out, 673 .vidioc_s_fmt_vbi_out = vidioc_s_fmt_vbi_out, 674 675 .vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out, 676 .vidioc_try_fmt_sliced_vbi_out = vidioc_try_fmt_sliced_vbi_out, 677 .vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out, 678 679 .vidioc_enum_fmt_sdr_cap = vidioc_enum_fmt_sdr_cap, 680 .vidioc_g_fmt_sdr_cap = vidioc_g_fmt_sdr_cap, 681 .vidioc_try_fmt_sdr_cap = vidioc_try_fmt_sdr_cap, 682 .vidioc_s_fmt_sdr_cap = vidioc_s_fmt_sdr_cap, 683 684 .vidioc_overlay = vidioc_overlay, 685 .vidioc_enum_framesizes = vidioc_enum_framesizes, 686 .vidioc_enum_frameintervals = vidioc_enum_frameintervals, 687 .vidioc_g_parm = vidioc_g_parm, 688 .vidioc_s_parm = vidioc_s_parm, 689 690 .vidioc_enum_fmt_vid_overlay = vidioc_enum_fmt_vid_overlay, 691 .vidioc_g_fmt_vid_overlay = vidioc_g_fmt_vid_overlay, 692 .vidioc_try_fmt_vid_overlay = vidioc_try_fmt_vid_overlay, 693 .vidioc_s_fmt_vid_overlay = vidioc_s_fmt_vid_overlay, 694 .vidioc_g_fmt_vid_out_overlay = vidioc_g_fmt_vid_out_overlay, 695 .vidioc_try_fmt_vid_out_overlay = vidioc_try_fmt_vid_out_overlay, 696 .vidioc_s_fmt_vid_out_overlay = vidioc_s_fmt_vid_out_overlay, 697 .vidioc_g_fbuf = vidioc_g_fbuf, 698 .vidioc_s_fbuf = vidioc_s_fbuf, 699 700 .vidioc_reqbufs = vb2_ioctl_reqbufs, 701 .vidioc_create_bufs = vb2_ioctl_create_bufs, 702 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 703 .vidioc_querybuf = vb2_ioctl_querybuf, 704 .vidioc_qbuf = vb2_ioctl_qbuf, 705 .vidioc_dqbuf = vb2_ioctl_dqbuf, 706 .vidioc_expbuf = vb2_ioctl_expbuf, 707 .vidioc_streamon = vb2_ioctl_streamon, 708 .vidioc_streamoff = vb2_ioctl_streamoff, 709 710 .vidioc_enum_input = vivid_enum_input, 711 .vidioc_g_input = vivid_g_input, 712 .vidioc_s_input = vivid_s_input, 713 .vidioc_s_audio = vidioc_s_audio, 714 .vidioc_g_audio = vidioc_g_audio, 715 .vidioc_enumaudio = vidioc_enumaudio, 716 .vidioc_s_frequency = vidioc_s_frequency, 717 .vidioc_g_frequency = vidioc_g_frequency, 718 .vidioc_s_tuner = vidioc_s_tuner, 719 .vidioc_g_tuner = vidioc_g_tuner, 720 .vidioc_s_modulator = vidioc_s_modulator, 721 .vidioc_g_modulator = vidioc_g_modulator, 722 .vidioc_s_hw_freq_seek = vidioc_s_hw_freq_seek, 723 .vidioc_enum_freq_bands = vidioc_enum_freq_bands, 724 725 .vidioc_enum_output = vidioc_enum_output, 726 .vidioc_g_output = vidioc_g_output, 727 .vidioc_s_output = vidioc_s_output, 728 .vidioc_s_audout = vidioc_s_audout, 729 .vidioc_g_audout = vidioc_g_audout, 730 .vidioc_enumaudout = vidioc_enumaudout, 731 732 .vidioc_querystd = vidioc_querystd, 733 .vidioc_g_std = vidioc_g_std, 734 .vidioc_s_std = vidioc_s_std, 735 .vidioc_s_dv_timings = vidioc_s_dv_timings, 736 .vidioc_g_dv_timings = vidioc_g_dv_timings, 737 .vidioc_query_dv_timings = vidioc_query_dv_timings, 738 .vidioc_enum_dv_timings = vidioc_enum_dv_timings, 739 .vidioc_dv_timings_cap = vidioc_dv_timings_cap, 740 .vidioc_g_edid = vidioc_g_edid, 741 .vidioc_s_edid = vidioc_s_edid, 742 743 .vidioc_log_status = vidioc_log_status, 744 .vidioc_subscribe_event = vidioc_subscribe_event, 745 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 746 747 .vidioc_enum_fmt_meta_cap = vidioc_enum_fmt_meta_cap, 748 .vidioc_g_fmt_meta_cap = vidioc_g_fmt_meta_cap, 749 .vidioc_s_fmt_meta_cap = vidioc_g_fmt_meta_cap, 750 .vidioc_try_fmt_meta_cap = vidioc_g_fmt_meta_cap, 751 752 .vidioc_enum_fmt_meta_out = vidioc_enum_fmt_meta_out, 753 .vidioc_g_fmt_meta_out = vidioc_g_fmt_meta_out, 754 .vidioc_s_fmt_meta_out = vidioc_g_fmt_meta_out, 755 .vidioc_try_fmt_meta_out = vidioc_g_fmt_meta_out, 756 }; 757 758 /* ----------------------------------------------------------------- 759 Initialization and module stuff 760 ------------------------------------------------------------------*/ 761 762 static void vivid_dev_release(struct v4l2_device *v4l2_dev) 763 { 764 struct vivid_dev *dev = container_of(v4l2_dev, struct vivid_dev, v4l2_dev); 765 766 vivid_free_controls(dev); 767 v4l2_device_unregister(&dev->v4l2_dev); 768 #ifdef CONFIG_MEDIA_CONTROLLER 769 media_device_cleanup(&dev->mdev); 770 #endif 771 vfree(dev->scaled_line); 772 vfree(dev->blended_line); 773 vfree(dev->edid); 774 vfree(dev->bitmap_cap); 775 vfree(dev->bitmap_out); 776 tpg_free(&dev->tpg); 777 kfree(dev->query_dv_timings_qmenu); 778 kfree(dev->query_dv_timings_qmenu_strings); 779 kfree(dev); 780 } 781 782 #ifdef CONFIG_MEDIA_CONTROLLER 783 static int vivid_req_validate(struct media_request *req) 784 { 785 struct vivid_dev *dev = container_of(req->mdev, struct vivid_dev, mdev); 786 787 if (dev->req_validate_error) { 788 dev->req_validate_error = false; 789 return -EINVAL; 790 } 791 return vb2_request_validate(req); 792 } 793 794 static const struct media_device_ops vivid_media_ops = { 795 .req_validate = vivid_req_validate, 796 .req_queue = vb2_request_queue, 797 }; 798 #endif 799 800 static int vivid_create_queue(struct vivid_dev *dev, 801 struct vb2_queue *q, 802 u32 buf_type, 803 unsigned int min_buffers_needed, 804 const struct vb2_ops *ops) 805 { 806 if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->multiplanar) 807 buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; 808 else if (buf_type == V4L2_BUF_TYPE_VIDEO_OUTPUT && dev->multiplanar) 809 buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; 810 else if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE && !dev->has_raw_vbi_cap) 811 buf_type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; 812 else if (buf_type == V4L2_BUF_TYPE_VBI_OUTPUT && !dev->has_raw_vbi_out) 813 buf_type = V4L2_BUF_TYPE_SLICED_VBI_OUTPUT; 814 815 q->type = buf_type; 816 q->io_modes = VB2_MMAP | VB2_DMABUF; 817 q->io_modes |= V4L2_TYPE_IS_OUTPUT(buf_type) ? VB2_WRITE : VB2_READ; 818 if (allocators[dev->inst] != 1) 819 q->io_modes |= VB2_USERPTR; 820 q->drv_priv = dev; 821 q->buf_struct_size = sizeof(struct vivid_buffer); 822 q->ops = ops; 823 q->mem_ops = allocators[dev->inst] == 1 ? &vb2_dma_contig_memops : 824 &vb2_vmalloc_memops; 825 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 826 q->min_buffers_needed = min_buffers_needed; 827 q->lock = &dev->mutex; 828 q->dev = dev->v4l2_dev.dev; 829 q->supports_requests = true; 830 q->allow_cache_hints = (cache_hints[dev->inst] == 1); 831 832 return vb2_queue_init(q); 833 } 834 835 static int vivid_detect_feature_set(struct vivid_dev *dev, int inst, 836 unsigned node_type, 837 bool *has_tuner, 838 bool *has_modulator, 839 int *ccs_cap, 840 int *ccs_out, 841 unsigned in_type_counter[4], 842 unsigned out_type_counter[4]) 843 { 844 int i; 845 846 /* do we use single- or multi-planar? */ 847 dev->multiplanar = multiplanar[inst] > 1; 848 v4l2_info(&dev->v4l2_dev, "using %splanar format API\n", 849 dev->multiplanar ? "multi" : "single "); 850 851 /* how many inputs do we have and of what type? */ 852 dev->num_inputs = num_inputs[inst]; 853 if (dev->num_inputs < 1) 854 dev->num_inputs = 1; 855 if (dev->num_inputs >= MAX_INPUTS) 856 dev->num_inputs = MAX_INPUTS; 857 for (i = 0; i < dev->num_inputs; i++) { 858 dev->input_type[i] = (input_types[inst] >> (i * 2)) & 0x3; 859 dev->input_name_counter[i] = in_type_counter[dev->input_type[i]]++; 860 } 861 dev->has_audio_inputs = in_type_counter[TV] && in_type_counter[SVID]; 862 if (in_type_counter[HDMI] == 16) { 863 /* The CEC physical address only allows for max 15 inputs */ 864 in_type_counter[HDMI]--; 865 dev->num_inputs--; 866 } 867 dev->num_hdmi_inputs = in_type_counter[HDMI]; 868 869 /* how many outputs do we have and of what type? */ 870 dev->num_outputs = num_outputs[inst]; 871 if (dev->num_outputs < 1) 872 dev->num_outputs = 1; 873 if (dev->num_outputs >= MAX_OUTPUTS) 874 dev->num_outputs = MAX_OUTPUTS; 875 for (i = 0; i < dev->num_outputs; i++) { 876 dev->output_type[i] = ((output_types[inst] >> i) & 1) ? HDMI : SVID; 877 dev->output_name_counter[i] = out_type_counter[dev->output_type[i]]++; 878 dev->display_present[i] = true; 879 } 880 dev->has_audio_outputs = out_type_counter[SVID]; 881 if (out_type_counter[HDMI] == 16) { 882 /* 883 * The CEC physical address only allows for max 15 inputs, 884 * so outputs are also limited to 15 to allow for easy 885 * CEC output to input mapping. 886 */ 887 out_type_counter[HDMI]--; 888 dev->num_outputs--; 889 } 890 dev->num_hdmi_outputs = out_type_counter[HDMI]; 891 892 /* do we create a video capture device? */ 893 dev->has_vid_cap = node_type & 0x0001; 894 895 /* do we create a vbi capture device? */ 896 if (in_type_counter[TV] || in_type_counter[SVID]) { 897 dev->has_raw_vbi_cap = node_type & 0x0004; 898 dev->has_sliced_vbi_cap = node_type & 0x0008; 899 dev->has_vbi_cap = dev->has_raw_vbi_cap | dev->has_sliced_vbi_cap; 900 } 901 902 /* do we create a meta capture device */ 903 dev->has_meta_cap = node_type & 0x20000; 904 905 /* sanity checks */ 906 if ((in_type_counter[WEBCAM] || in_type_counter[HDMI]) && 907 !dev->has_vid_cap && !dev->has_meta_cap) { 908 v4l2_warn(&dev->v4l2_dev, 909 "Webcam or HDMI input without video or metadata nodes\n"); 910 return -EINVAL; 911 } 912 if ((in_type_counter[TV] || in_type_counter[SVID]) && 913 !dev->has_vid_cap && !dev->has_vbi_cap && !dev->has_meta_cap) { 914 v4l2_warn(&dev->v4l2_dev, 915 "TV or S-Video input without video, VBI or metadata nodes\n"); 916 return -EINVAL; 917 } 918 919 /* do we create a video output device? */ 920 dev->has_vid_out = node_type & 0x0100; 921 922 /* do we create a vbi output device? */ 923 if (out_type_counter[SVID]) { 924 dev->has_raw_vbi_out = node_type & 0x0400; 925 dev->has_sliced_vbi_out = node_type & 0x0800; 926 dev->has_vbi_out = dev->has_raw_vbi_out | dev->has_sliced_vbi_out; 927 } 928 929 /* do we create a metadata output device */ 930 dev->has_meta_out = node_type & 0x40000; 931 932 /* sanity checks */ 933 if (out_type_counter[SVID] && 934 !dev->has_vid_out && !dev->has_vbi_out && !dev->has_meta_out) { 935 v4l2_warn(&dev->v4l2_dev, 936 "S-Video output without video, VBI or metadata nodes\n"); 937 return -EINVAL; 938 } 939 if (out_type_counter[HDMI] && !dev->has_vid_out && !dev->has_meta_out) { 940 v4l2_warn(&dev->v4l2_dev, 941 "HDMI output without video or metadata nodes\n"); 942 return -EINVAL; 943 } 944 945 /* do we create a radio receiver device? */ 946 dev->has_radio_rx = node_type & 0x0010; 947 948 /* do we create a radio transmitter device? */ 949 dev->has_radio_tx = node_type & 0x1000; 950 951 /* do we create a software defined radio capture device? */ 952 dev->has_sdr_cap = node_type & 0x0020; 953 954 /* do we have a TV tuner? */ 955 dev->has_tv_tuner = in_type_counter[TV]; 956 957 /* do we have a tuner? */ 958 *has_tuner = ((dev->has_vid_cap || dev->has_vbi_cap) && in_type_counter[TV]) || 959 dev->has_radio_rx || dev->has_sdr_cap; 960 961 /* do we have a modulator? */ 962 *has_modulator = dev->has_radio_tx; 963 964 if (dev->has_vid_cap) 965 /* do we have a framebuffer for overlay testing? */ 966 dev->has_fb = node_type & 0x10000; 967 968 /* can we do crop/compose/scaling while capturing? */ 969 if (no_error_inj && *ccs_cap == -1) 970 *ccs_cap = 7; 971 972 /* if ccs_cap == -1, then the user can select it using controls */ 973 if (*ccs_cap != -1) { 974 dev->has_crop_cap = *ccs_cap & 1; 975 dev->has_compose_cap = *ccs_cap & 2; 976 dev->has_scaler_cap = *ccs_cap & 4; 977 v4l2_info(&dev->v4l2_dev, "Capture Crop: %c Compose: %c Scaler: %c\n", 978 dev->has_crop_cap ? 'Y' : 'N', 979 dev->has_compose_cap ? 'Y' : 'N', 980 dev->has_scaler_cap ? 'Y' : 'N'); 981 } 982 983 /* can we do crop/compose/scaling with video output? */ 984 if (no_error_inj && *ccs_out == -1) 985 *ccs_out = 7; 986 987 /* if ccs_out == -1, then the user can select it using controls */ 988 if (*ccs_out != -1) { 989 dev->has_crop_out = *ccs_out & 1; 990 dev->has_compose_out = *ccs_out & 2; 991 dev->has_scaler_out = *ccs_out & 4; 992 v4l2_info(&dev->v4l2_dev, "Output Crop: %c Compose: %c Scaler: %c\n", 993 dev->has_crop_out ? 'Y' : 'N', 994 dev->has_compose_out ? 'Y' : 'N', 995 dev->has_scaler_out ? 'Y' : 'N'); 996 } 997 998 /* do we create a touch capture device */ 999 dev->has_touch_cap = node_type & 0x80000; 1000 1001 return 0; 1002 } 1003 1004 static void vivid_set_capabilities(struct vivid_dev *dev) 1005 { 1006 if (dev->has_vid_cap) { 1007 /* set up the capabilities of the video capture device */ 1008 dev->vid_cap_caps = dev->multiplanar ? 1009 V4L2_CAP_VIDEO_CAPTURE_MPLANE : 1010 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY; 1011 dev->vid_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; 1012 if (dev->has_audio_inputs) 1013 dev->vid_cap_caps |= V4L2_CAP_AUDIO; 1014 if (dev->has_tv_tuner) 1015 dev->vid_cap_caps |= V4L2_CAP_TUNER; 1016 } 1017 if (dev->has_vid_out) { 1018 /* set up the capabilities of the video output device */ 1019 dev->vid_out_caps = dev->multiplanar ? 1020 V4L2_CAP_VIDEO_OUTPUT_MPLANE : 1021 V4L2_CAP_VIDEO_OUTPUT; 1022 if (dev->has_fb) 1023 dev->vid_out_caps |= V4L2_CAP_VIDEO_OUTPUT_OVERLAY; 1024 dev->vid_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; 1025 if (dev->has_audio_outputs) 1026 dev->vid_out_caps |= V4L2_CAP_AUDIO; 1027 } 1028 if (dev->has_vbi_cap) { 1029 /* set up the capabilities of the vbi capture device */ 1030 dev->vbi_cap_caps = (dev->has_raw_vbi_cap ? V4L2_CAP_VBI_CAPTURE : 0) | 1031 (dev->has_sliced_vbi_cap ? V4L2_CAP_SLICED_VBI_CAPTURE : 0); 1032 dev->vbi_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; 1033 if (dev->has_audio_inputs) 1034 dev->vbi_cap_caps |= V4L2_CAP_AUDIO; 1035 if (dev->has_tv_tuner) 1036 dev->vbi_cap_caps |= V4L2_CAP_TUNER; 1037 } 1038 if (dev->has_vbi_out) { 1039 /* set up the capabilities of the vbi output device */ 1040 dev->vbi_out_caps = (dev->has_raw_vbi_out ? V4L2_CAP_VBI_OUTPUT : 0) | 1041 (dev->has_sliced_vbi_out ? V4L2_CAP_SLICED_VBI_OUTPUT : 0); 1042 dev->vbi_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; 1043 if (dev->has_audio_outputs) 1044 dev->vbi_out_caps |= V4L2_CAP_AUDIO; 1045 } 1046 if (dev->has_sdr_cap) { 1047 /* set up the capabilities of the sdr capture device */ 1048 dev->sdr_cap_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER; 1049 dev->sdr_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; 1050 } 1051 /* set up the capabilities of the radio receiver device */ 1052 if (dev->has_radio_rx) 1053 dev->radio_rx_caps = V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE | 1054 V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER | 1055 V4L2_CAP_READWRITE; 1056 /* set up the capabilities of the radio transmitter device */ 1057 if (dev->has_radio_tx) 1058 dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR | 1059 V4L2_CAP_READWRITE; 1060 1061 /* set up the capabilities of meta capture device */ 1062 if (dev->has_meta_cap) { 1063 dev->meta_cap_caps = V4L2_CAP_META_CAPTURE | 1064 V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; 1065 if (dev->has_audio_inputs) 1066 dev->meta_cap_caps |= V4L2_CAP_AUDIO; 1067 if (dev->has_tv_tuner) 1068 dev->meta_cap_caps |= V4L2_CAP_TUNER; 1069 } 1070 /* set up the capabilities of meta output device */ 1071 if (dev->has_meta_out) { 1072 dev->meta_out_caps = V4L2_CAP_META_OUTPUT | 1073 V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; 1074 if (dev->has_audio_outputs) 1075 dev->meta_out_caps |= V4L2_CAP_AUDIO; 1076 } 1077 /* set up the capabilities of the touch capture device */ 1078 if (dev->has_touch_cap) { 1079 dev->touch_cap_caps = V4L2_CAP_TOUCH | V4L2_CAP_STREAMING | 1080 V4L2_CAP_READWRITE; 1081 dev->touch_cap_caps |= dev->multiplanar ? 1082 V4L2_CAP_VIDEO_CAPTURE_MPLANE : V4L2_CAP_VIDEO_CAPTURE; 1083 } 1084 } 1085 1086 static void vivid_disable_unused_ioctls(struct vivid_dev *dev, 1087 bool has_tuner, 1088 bool has_modulator, 1089 unsigned in_type_counter[4], 1090 unsigned out_type_counter[4]) 1091 { 1092 /* disable invalid ioctls based on the feature set */ 1093 if (!dev->has_audio_inputs) { 1094 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_AUDIO); 1095 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_AUDIO); 1096 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUMAUDIO); 1097 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_AUDIO); 1098 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_AUDIO); 1099 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_ENUMAUDIO); 1100 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_AUDIO); 1101 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_AUDIO); 1102 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_ENUMAUDIO); 1103 } 1104 if (!dev->has_audio_outputs) { 1105 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_AUDOUT); 1106 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_AUDOUT); 1107 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUMAUDOUT); 1108 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_S_AUDOUT); 1109 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_G_AUDOUT); 1110 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_ENUMAUDOUT); 1111 v4l2_disable_ioctl(&dev->meta_out_dev, VIDIOC_S_AUDOUT); 1112 v4l2_disable_ioctl(&dev->meta_out_dev, VIDIOC_G_AUDOUT); 1113 v4l2_disable_ioctl(&dev->meta_out_dev, VIDIOC_ENUMAUDOUT); 1114 } 1115 if (!in_type_counter[TV] && !in_type_counter[SVID]) { 1116 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_STD); 1117 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_STD); 1118 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUMSTD); 1119 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_QUERYSTD); 1120 } 1121 if (!out_type_counter[SVID]) { 1122 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_STD); 1123 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_STD); 1124 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUMSTD); 1125 } 1126 if (!has_tuner && !has_modulator) { 1127 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_FREQUENCY); 1128 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_FREQUENCY); 1129 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_FREQUENCY); 1130 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_FREQUENCY); 1131 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_FREQUENCY); 1132 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_FREQUENCY); 1133 } 1134 if (!has_tuner) { 1135 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_TUNER); 1136 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_TUNER); 1137 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_TUNER); 1138 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_TUNER); 1139 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_TUNER); 1140 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_G_TUNER); 1141 } 1142 if (in_type_counter[HDMI] == 0) { 1143 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_EDID); 1144 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_EDID); 1145 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_DV_TIMINGS_CAP); 1146 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_DV_TIMINGS); 1147 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_DV_TIMINGS); 1148 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUM_DV_TIMINGS); 1149 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_QUERY_DV_TIMINGS); 1150 } 1151 if (out_type_counter[HDMI] == 0) { 1152 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_EDID); 1153 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_DV_TIMINGS_CAP); 1154 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_DV_TIMINGS); 1155 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_DV_TIMINGS); 1156 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_DV_TIMINGS); 1157 } 1158 if (!dev->has_fb) { 1159 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FBUF); 1160 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FBUF); 1161 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_OVERLAY); 1162 } 1163 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_HW_FREQ_SEEK); 1164 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_HW_FREQ_SEEK); 1165 v4l2_disable_ioctl(&dev->sdr_cap_dev, VIDIOC_S_HW_FREQ_SEEK); 1166 v4l2_disable_ioctl(&dev->meta_cap_dev, VIDIOC_S_HW_FREQ_SEEK); 1167 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FREQUENCY); 1168 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FREQUENCY); 1169 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMESIZES); 1170 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMEINTERVALS); 1171 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_S_FREQUENCY); 1172 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_G_FREQUENCY); 1173 v4l2_disable_ioctl(&dev->meta_out_dev, VIDIOC_S_FREQUENCY); 1174 v4l2_disable_ioctl(&dev->meta_out_dev, VIDIOC_G_FREQUENCY); 1175 v4l2_disable_ioctl(&dev->touch_cap_dev, VIDIOC_S_PARM); 1176 v4l2_disable_ioctl(&dev->touch_cap_dev, VIDIOC_ENUM_FRAMESIZES); 1177 v4l2_disable_ioctl(&dev->touch_cap_dev, VIDIOC_ENUM_FRAMEINTERVALS); 1178 } 1179 1180 static int vivid_init_dv_timings(struct vivid_dev *dev) 1181 { 1182 int i; 1183 1184 while (v4l2_dv_timings_presets[dev->query_dv_timings_size].bt.width) 1185 dev->query_dv_timings_size++; 1186 1187 /* 1188 * Create a char pointer array that points to the names of all the 1189 * preset timings 1190 */ 1191 dev->query_dv_timings_qmenu = kmalloc_array(dev->query_dv_timings_size, 1192 sizeof(char *), GFP_KERNEL); 1193 /* 1194 * Create a string array containing the names of all the preset 1195 * timings. Each name is max 31 chars long (+ terminating 0). 1196 */ 1197 dev->query_dv_timings_qmenu_strings = 1198 kmalloc_array(dev->query_dv_timings_size, 32, GFP_KERNEL); 1199 1200 if (!dev->query_dv_timings_qmenu || 1201 !dev->query_dv_timings_qmenu_strings) 1202 return -ENOMEM; 1203 1204 for (i = 0; i < dev->query_dv_timings_size; i++) { 1205 const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; 1206 char *p = dev->query_dv_timings_qmenu_strings + i * 32; 1207 u32 htot, vtot; 1208 1209 dev->query_dv_timings_qmenu[i] = p; 1210 1211 htot = V4L2_DV_BT_FRAME_WIDTH(bt); 1212 vtot = V4L2_DV_BT_FRAME_HEIGHT(bt); 1213 snprintf(p, 32, "%ux%u%s%u", 1214 bt->width, bt->height, bt->interlaced ? "i" : "p", 1215 (u32)bt->pixelclock / (htot * vtot)); 1216 } 1217 1218 return 0; 1219 } 1220 1221 static int vivid_create_queues(struct vivid_dev *dev) 1222 { 1223 int ret; 1224 1225 /* start creating the vb2 queues */ 1226 if (dev->has_vid_cap) { 1227 /* initialize vid_cap queue */ 1228 ret = vivid_create_queue(dev, &dev->vb_vid_cap_q, 1229 V4L2_BUF_TYPE_VIDEO_CAPTURE, 2, 1230 &vivid_vid_cap_qops); 1231 if (ret) 1232 return ret; 1233 } 1234 1235 if (dev->has_vid_out) { 1236 /* initialize vid_out queue */ 1237 ret = vivid_create_queue(dev, &dev->vb_vid_out_q, 1238 V4L2_BUF_TYPE_VIDEO_OUTPUT, 2, 1239 &vivid_vid_out_qops); 1240 if (ret) 1241 return ret; 1242 } 1243 1244 if (dev->has_vbi_cap) { 1245 /* initialize vbi_cap queue */ 1246 ret = vivid_create_queue(dev, &dev->vb_vbi_cap_q, 1247 V4L2_BUF_TYPE_VBI_CAPTURE, 2, 1248 &vivid_vbi_cap_qops); 1249 if (ret) 1250 return ret; 1251 } 1252 1253 if (dev->has_vbi_out) { 1254 /* initialize vbi_out queue */ 1255 ret = vivid_create_queue(dev, &dev->vb_vbi_out_q, 1256 V4L2_BUF_TYPE_VBI_OUTPUT, 2, 1257 &vivid_vbi_out_qops); 1258 if (ret) 1259 return ret; 1260 } 1261 1262 if (dev->has_sdr_cap) { 1263 /* initialize sdr_cap queue */ 1264 ret = vivid_create_queue(dev, &dev->vb_sdr_cap_q, 1265 V4L2_BUF_TYPE_SDR_CAPTURE, 8, 1266 &vivid_sdr_cap_qops); 1267 if (ret) 1268 return ret; 1269 } 1270 1271 if (dev->has_meta_cap) { 1272 /* initialize meta_cap queue */ 1273 ret = vivid_create_queue(dev, &dev->vb_meta_cap_q, 1274 V4L2_BUF_TYPE_META_CAPTURE, 2, 1275 &vivid_meta_cap_qops); 1276 if (ret) 1277 return ret; 1278 } 1279 1280 if (dev->has_meta_out) { 1281 /* initialize meta_out queue */ 1282 ret = vivid_create_queue(dev, &dev->vb_meta_out_q, 1283 V4L2_BUF_TYPE_META_OUTPUT, 1, 1284 &vivid_meta_out_qops); 1285 if (ret) 1286 return ret; 1287 } 1288 1289 if (dev->has_touch_cap) { 1290 /* initialize touch_cap queue */ 1291 ret = vivid_create_queue(dev, &dev->vb_touch_cap_q, 1292 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1, 1293 &vivid_touch_cap_qops); 1294 if (ret) 1295 return ret; 1296 } 1297 1298 if (dev->has_fb) { 1299 /* Create framebuffer for testing capture/output overlay */ 1300 ret = vivid_fb_init(dev); 1301 if (ret) 1302 return ret; 1303 v4l2_info(&dev->v4l2_dev, "Framebuffer device registered as fb%d\n", 1304 dev->fb_info.node); 1305 } 1306 return 0; 1307 } 1308 1309 static int vivid_create_devnodes(struct platform_device *pdev, 1310 struct vivid_dev *dev, int inst, 1311 unsigned int cec_tx_bus_cnt, 1312 v4l2_std_id tvnorms_cap, 1313 v4l2_std_id tvnorms_out, 1314 unsigned in_type_counter[4], 1315 unsigned out_type_counter[4]) 1316 { 1317 struct video_device *vfd; 1318 int ret; 1319 1320 if (dev->has_vid_cap) { 1321 vfd = &dev->vid_cap_dev; 1322 snprintf(vfd->name, sizeof(vfd->name), 1323 "vivid-%03d-vid-cap", inst); 1324 vfd->fops = &vivid_fops; 1325 vfd->ioctl_ops = &vivid_ioctl_ops; 1326 vfd->device_caps = dev->vid_cap_caps; 1327 vfd->release = video_device_release_empty; 1328 vfd->v4l2_dev = &dev->v4l2_dev; 1329 vfd->queue = &dev->vb_vid_cap_q; 1330 vfd->tvnorms = tvnorms_cap; 1331 1332 /* 1333 * Provide a mutex to v4l2 core. It will be used to protect 1334 * all fops and v4l2 ioctls. 1335 */ 1336 vfd->lock = &dev->mutex; 1337 video_set_drvdata(vfd, dev); 1338 1339 #ifdef CONFIG_MEDIA_CONTROLLER 1340 dev->vid_cap_pad.flags = MEDIA_PAD_FL_SINK; 1341 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vid_cap_pad); 1342 if (ret) 1343 return ret; 1344 #endif 1345 1346 #ifdef CONFIG_VIDEO_VIVID_CEC 1347 if (in_type_counter[HDMI]) { 1348 ret = cec_register_adapter(dev->cec_rx_adap, &pdev->dev); 1349 if (ret < 0) { 1350 cec_delete_adapter(dev->cec_rx_adap); 1351 dev->cec_rx_adap = NULL; 1352 return ret; 1353 } 1354 cec_s_phys_addr(dev->cec_rx_adap, 0, false); 1355 v4l2_info(&dev->v4l2_dev, "CEC adapter %s registered for HDMI input 0\n", 1356 dev_name(&dev->cec_rx_adap->devnode.dev)); 1357 } 1358 #endif 1359 1360 ret = video_register_device(vfd, VFL_TYPE_VIDEO, vid_cap_nr[inst]); 1361 if (ret < 0) 1362 return ret; 1363 v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n", 1364 video_device_node_name(vfd)); 1365 } 1366 1367 if (dev->has_vid_out) { 1368 #ifdef CONFIG_VIDEO_VIVID_CEC 1369 int i; 1370 #endif 1371 vfd = &dev->vid_out_dev; 1372 snprintf(vfd->name, sizeof(vfd->name), 1373 "vivid-%03d-vid-out", inst); 1374 vfd->vfl_dir = VFL_DIR_TX; 1375 vfd->fops = &vivid_fops; 1376 vfd->ioctl_ops = &vivid_ioctl_ops; 1377 vfd->device_caps = dev->vid_out_caps; 1378 vfd->release = video_device_release_empty; 1379 vfd->v4l2_dev = &dev->v4l2_dev; 1380 vfd->queue = &dev->vb_vid_out_q; 1381 vfd->tvnorms = tvnorms_out; 1382 1383 /* 1384 * Provide a mutex to v4l2 core. It will be used to protect 1385 * all fops and v4l2 ioctls. 1386 */ 1387 vfd->lock = &dev->mutex; 1388 video_set_drvdata(vfd, dev); 1389 1390 #ifdef CONFIG_MEDIA_CONTROLLER 1391 dev->vid_out_pad.flags = MEDIA_PAD_FL_SOURCE; 1392 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vid_out_pad); 1393 if (ret) 1394 return ret; 1395 #endif 1396 1397 #ifdef CONFIG_VIDEO_VIVID_CEC 1398 for (i = 0; i < cec_tx_bus_cnt; i++) { 1399 ret = cec_register_adapter(dev->cec_tx_adap[i], &pdev->dev); 1400 if (ret < 0) { 1401 for (; i < cec_tx_bus_cnt; i++) { 1402 cec_delete_adapter(dev->cec_tx_adap[i]); 1403 dev->cec_tx_adap[i] = NULL; 1404 } 1405 return ret; 1406 } 1407 v4l2_info(&dev->v4l2_dev, "CEC adapter %s registered for HDMI output %d\n", 1408 dev_name(&dev->cec_tx_adap[i]->devnode.dev), i); 1409 if (i < out_type_counter[HDMI]) 1410 cec_s_phys_addr(dev->cec_tx_adap[i], (i + 1) << 12, false); 1411 else 1412 cec_s_phys_addr(dev->cec_tx_adap[i], 0x1000, false); 1413 } 1414 #endif 1415 1416 ret = video_register_device(vfd, VFL_TYPE_VIDEO, vid_out_nr[inst]); 1417 if (ret < 0) 1418 return ret; 1419 v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s\n", 1420 video_device_node_name(vfd)); 1421 } 1422 1423 if (dev->has_vbi_cap) { 1424 vfd = &dev->vbi_cap_dev; 1425 snprintf(vfd->name, sizeof(vfd->name), 1426 "vivid-%03d-vbi-cap", inst); 1427 vfd->fops = &vivid_fops; 1428 vfd->ioctl_ops = &vivid_ioctl_ops; 1429 vfd->device_caps = dev->vbi_cap_caps; 1430 vfd->release = video_device_release_empty; 1431 vfd->v4l2_dev = &dev->v4l2_dev; 1432 vfd->queue = &dev->vb_vbi_cap_q; 1433 vfd->lock = &dev->mutex; 1434 vfd->tvnorms = tvnorms_cap; 1435 video_set_drvdata(vfd, dev); 1436 1437 #ifdef CONFIG_MEDIA_CONTROLLER 1438 dev->vbi_cap_pad.flags = MEDIA_PAD_FL_SINK; 1439 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vbi_cap_pad); 1440 if (ret) 1441 return ret; 1442 #endif 1443 1444 ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_cap_nr[inst]); 1445 if (ret < 0) 1446 return ret; 1447 v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s, supports %s VBI\n", 1448 video_device_node_name(vfd), 1449 (dev->has_raw_vbi_cap && dev->has_sliced_vbi_cap) ? 1450 "raw and sliced" : 1451 (dev->has_raw_vbi_cap ? "raw" : "sliced")); 1452 } 1453 1454 if (dev->has_vbi_out) { 1455 vfd = &dev->vbi_out_dev; 1456 snprintf(vfd->name, sizeof(vfd->name), 1457 "vivid-%03d-vbi-out", inst); 1458 vfd->vfl_dir = VFL_DIR_TX; 1459 vfd->fops = &vivid_fops; 1460 vfd->ioctl_ops = &vivid_ioctl_ops; 1461 vfd->device_caps = dev->vbi_out_caps; 1462 vfd->release = video_device_release_empty; 1463 vfd->v4l2_dev = &dev->v4l2_dev; 1464 vfd->queue = &dev->vb_vbi_out_q; 1465 vfd->lock = &dev->mutex; 1466 vfd->tvnorms = tvnorms_out; 1467 video_set_drvdata(vfd, dev); 1468 1469 #ifdef CONFIG_MEDIA_CONTROLLER 1470 dev->vbi_out_pad.flags = MEDIA_PAD_FL_SOURCE; 1471 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vbi_out_pad); 1472 if (ret) 1473 return ret; 1474 #endif 1475 1476 ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_out_nr[inst]); 1477 if (ret < 0) 1478 return ret; 1479 v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s, supports %s VBI\n", 1480 video_device_node_name(vfd), 1481 (dev->has_raw_vbi_out && dev->has_sliced_vbi_out) ? 1482 "raw and sliced" : 1483 (dev->has_raw_vbi_out ? "raw" : "sliced")); 1484 } 1485 1486 if (dev->has_sdr_cap) { 1487 vfd = &dev->sdr_cap_dev; 1488 snprintf(vfd->name, sizeof(vfd->name), 1489 "vivid-%03d-sdr-cap", inst); 1490 vfd->fops = &vivid_fops; 1491 vfd->ioctl_ops = &vivid_ioctl_ops; 1492 vfd->device_caps = dev->sdr_cap_caps; 1493 vfd->release = video_device_release_empty; 1494 vfd->v4l2_dev = &dev->v4l2_dev; 1495 vfd->queue = &dev->vb_sdr_cap_q; 1496 vfd->lock = &dev->mutex; 1497 video_set_drvdata(vfd, dev); 1498 1499 #ifdef CONFIG_MEDIA_CONTROLLER 1500 dev->sdr_cap_pad.flags = MEDIA_PAD_FL_SINK; 1501 ret = media_entity_pads_init(&vfd->entity, 1, &dev->sdr_cap_pad); 1502 if (ret) 1503 return ret; 1504 #endif 1505 1506 ret = video_register_device(vfd, VFL_TYPE_SDR, sdr_cap_nr[inst]); 1507 if (ret < 0) 1508 return ret; 1509 v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n", 1510 video_device_node_name(vfd)); 1511 } 1512 1513 if (dev->has_radio_rx) { 1514 vfd = &dev->radio_rx_dev; 1515 snprintf(vfd->name, sizeof(vfd->name), 1516 "vivid-%03d-rad-rx", inst); 1517 vfd->fops = &vivid_radio_fops; 1518 vfd->ioctl_ops = &vivid_ioctl_ops; 1519 vfd->device_caps = dev->radio_rx_caps; 1520 vfd->release = video_device_release_empty; 1521 vfd->v4l2_dev = &dev->v4l2_dev; 1522 vfd->lock = &dev->mutex; 1523 video_set_drvdata(vfd, dev); 1524 1525 ret = video_register_device(vfd, VFL_TYPE_RADIO, radio_rx_nr[inst]); 1526 if (ret < 0) 1527 return ret; 1528 v4l2_info(&dev->v4l2_dev, "V4L2 receiver device registered as %s\n", 1529 video_device_node_name(vfd)); 1530 } 1531 1532 if (dev->has_radio_tx) { 1533 vfd = &dev->radio_tx_dev; 1534 snprintf(vfd->name, sizeof(vfd->name), 1535 "vivid-%03d-rad-tx", inst); 1536 vfd->vfl_dir = VFL_DIR_TX; 1537 vfd->fops = &vivid_radio_fops; 1538 vfd->ioctl_ops = &vivid_ioctl_ops; 1539 vfd->device_caps = dev->radio_tx_caps; 1540 vfd->release = video_device_release_empty; 1541 vfd->v4l2_dev = &dev->v4l2_dev; 1542 vfd->lock = &dev->mutex; 1543 video_set_drvdata(vfd, dev); 1544 1545 ret = video_register_device(vfd, VFL_TYPE_RADIO, radio_tx_nr[inst]); 1546 if (ret < 0) 1547 return ret; 1548 v4l2_info(&dev->v4l2_dev, "V4L2 transmitter device registered as %s\n", 1549 video_device_node_name(vfd)); 1550 } 1551 1552 if (dev->has_meta_cap) { 1553 vfd = &dev->meta_cap_dev; 1554 snprintf(vfd->name, sizeof(vfd->name), 1555 "vivid-%03d-meta-cap", inst); 1556 vfd->fops = &vivid_fops; 1557 vfd->ioctl_ops = &vivid_ioctl_ops; 1558 vfd->device_caps = dev->meta_cap_caps; 1559 vfd->release = video_device_release_empty; 1560 vfd->v4l2_dev = &dev->v4l2_dev; 1561 vfd->queue = &dev->vb_meta_cap_q; 1562 vfd->lock = &dev->mutex; 1563 vfd->tvnorms = tvnorms_cap; 1564 video_set_drvdata(vfd, dev); 1565 #ifdef CONFIG_MEDIA_CONTROLLER 1566 dev->meta_cap_pad.flags = MEDIA_PAD_FL_SINK; 1567 ret = media_entity_pads_init(&vfd->entity, 1, 1568 &dev->meta_cap_pad); 1569 if (ret) 1570 return ret; 1571 #endif 1572 ret = video_register_device(vfd, VFL_TYPE_VIDEO, 1573 meta_cap_nr[inst]); 1574 if (ret < 0) 1575 return ret; 1576 v4l2_info(&dev->v4l2_dev, 1577 "V4L2 metadata capture device registered as %s\n", 1578 video_device_node_name(vfd)); 1579 } 1580 1581 if (dev->has_meta_out) { 1582 vfd = &dev->meta_out_dev; 1583 snprintf(vfd->name, sizeof(vfd->name), 1584 "vivid-%03d-meta-out", inst); 1585 vfd->vfl_dir = VFL_DIR_TX; 1586 vfd->fops = &vivid_fops; 1587 vfd->ioctl_ops = &vivid_ioctl_ops; 1588 vfd->device_caps = dev->meta_out_caps; 1589 vfd->release = video_device_release_empty; 1590 vfd->v4l2_dev = &dev->v4l2_dev; 1591 vfd->queue = &dev->vb_meta_out_q; 1592 vfd->lock = &dev->mutex; 1593 vfd->tvnorms = tvnorms_out; 1594 video_set_drvdata(vfd, dev); 1595 #ifdef CONFIG_MEDIA_CONTROLLER 1596 dev->meta_out_pad.flags = MEDIA_PAD_FL_SOURCE; 1597 ret = media_entity_pads_init(&vfd->entity, 1, 1598 &dev->meta_out_pad); 1599 if (ret) 1600 return ret; 1601 #endif 1602 ret = video_register_device(vfd, VFL_TYPE_VIDEO, 1603 meta_out_nr[inst]); 1604 if (ret < 0) 1605 return ret; 1606 v4l2_info(&dev->v4l2_dev, 1607 "V4L2 metadata output device registered as %s\n", 1608 video_device_node_name(vfd)); 1609 } 1610 1611 if (dev->has_touch_cap) { 1612 vfd = &dev->touch_cap_dev; 1613 snprintf(vfd->name, sizeof(vfd->name), 1614 "vivid-%03d-touch-cap", inst); 1615 vfd->fops = &vivid_fops; 1616 vfd->ioctl_ops = &vivid_ioctl_ops; 1617 vfd->device_caps = dev->touch_cap_caps; 1618 vfd->release = video_device_release_empty; 1619 vfd->v4l2_dev = &dev->v4l2_dev; 1620 vfd->queue = &dev->vb_touch_cap_q; 1621 vfd->tvnorms = tvnorms_cap; 1622 vfd->lock = &dev->mutex; 1623 video_set_drvdata(vfd, dev); 1624 #ifdef CONFIG_MEDIA_CONTROLLER 1625 dev->touch_cap_pad.flags = MEDIA_PAD_FL_SINK; 1626 ret = media_entity_pads_init(&vfd->entity, 1, 1627 &dev->touch_cap_pad); 1628 if (ret) 1629 return ret; 1630 #endif 1631 ret = video_register_device(vfd, VFL_TYPE_TOUCH, 1632 touch_cap_nr[inst]); 1633 if (ret < 0) 1634 return ret; 1635 v4l2_info(&dev->v4l2_dev, 1636 "V4L2 touch capture device registered as %s\n", 1637 video_device_node_name(vfd)); 1638 } 1639 1640 #ifdef CONFIG_MEDIA_CONTROLLER 1641 /* Register the media device */ 1642 ret = media_device_register(&dev->mdev); 1643 if (ret) { 1644 dev_err(dev->mdev.dev, 1645 "media device register failed (err=%d)\n", ret); 1646 return ret; 1647 } 1648 #endif 1649 return 0; 1650 } 1651 1652 static int vivid_create_instance(struct platform_device *pdev, int inst) 1653 { 1654 static const struct v4l2_dv_timings def_dv_timings = 1655 V4L2_DV_BT_CEA_1280X720P60; 1656 unsigned in_type_counter[4] = { 0, 0, 0, 0 }; 1657 unsigned out_type_counter[4] = { 0, 0, 0, 0 }; 1658 int ccs_cap = ccs_cap_mode[inst]; 1659 int ccs_out = ccs_out_mode[inst]; 1660 bool has_tuner; 1661 bool has_modulator; 1662 struct vivid_dev *dev; 1663 unsigned node_type = node_types[inst]; 1664 v4l2_std_id tvnorms_cap = 0, tvnorms_out = 0; 1665 unsigned int cec_tx_bus_cnt = 0; 1666 int ret; 1667 int i; 1668 1669 /* allocate main vivid state structure */ 1670 dev = kzalloc(sizeof(*dev), GFP_KERNEL); 1671 if (!dev) 1672 return -ENOMEM; 1673 1674 dev->inst = inst; 1675 1676 #ifdef CONFIG_MEDIA_CONTROLLER 1677 dev->v4l2_dev.mdev = &dev->mdev; 1678 1679 /* Initialize media device */ 1680 strscpy(dev->mdev.model, VIVID_MODULE_NAME, sizeof(dev->mdev.model)); 1681 snprintf(dev->mdev.bus_info, sizeof(dev->mdev.bus_info), 1682 "platform:%s-%03d", VIVID_MODULE_NAME, inst); 1683 dev->mdev.dev = &pdev->dev; 1684 media_device_init(&dev->mdev); 1685 dev->mdev.ops = &vivid_media_ops; 1686 #endif 1687 1688 /* register v4l2_device */ 1689 snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), 1690 "%s-%03d", VIVID_MODULE_NAME, inst); 1691 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); 1692 if (ret) { 1693 kfree(dev); 1694 return ret; 1695 } 1696 dev->v4l2_dev.release = vivid_dev_release; 1697 1698 ret = vivid_detect_feature_set(dev, inst, node_type, 1699 &has_tuner, &has_modulator, 1700 &ccs_cap, &ccs_out, 1701 in_type_counter, out_type_counter); 1702 if (ret) 1703 goto free_dev; 1704 1705 vivid_set_capabilities(dev); 1706 1707 ret = -ENOMEM; 1708 /* initialize the test pattern generator */ 1709 tpg_init(&dev->tpg, 640, 360); 1710 if (tpg_alloc(&dev->tpg, array_size(MAX_WIDTH, MAX_ZOOM))) 1711 goto free_dev; 1712 dev->scaled_line = vzalloc(array_size(MAX_WIDTH, MAX_ZOOM)); 1713 if (!dev->scaled_line) 1714 goto free_dev; 1715 dev->blended_line = vzalloc(array_size(MAX_WIDTH, MAX_ZOOM)); 1716 if (!dev->blended_line) 1717 goto free_dev; 1718 1719 /* load the edid */ 1720 dev->edid = vmalloc(array_size(256, 128)); 1721 if (!dev->edid) 1722 goto free_dev; 1723 1724 ret = vivid_init_dv_timings(dev); 1725 if (ret < 0) 1726 goto free_dev; 1727 1728 vivid_disable_unused_ioctls(dev, has_tuner, has_modulator, 1729 in_type_counter, out_type_counter); 1730 1731 /* configure internal data */ 1732 dev->fmt_cap = &vivid_formats[0]; 1733 dev->fmt_out = &vivid_formats[0]; 1734 if (!dev->multiplanar) 1735 vivid_formats[0].data_offset[0] = 0; 1736 dev->webcam_size_idx = 1; 1737 dev->webcam_ival_idx = 3; 1738 tpg_s_fourcc(&dev->tpg, dev->fmt_cap->fourcc); 1739 dev->std_out = V4L2_STD_PAL; 1740 if (dev->input_type[0] == TV || dev->input_type[0] == SVID) 1741 tvnorms_cap = V4L2_STD_ALL; 1742 if (dev->output_type[0] == SVID) 1743 tvnorms_out = V4L2_STD_ALL; 1744 for (i = 0; i < MAX_INPUTS; i++) { 1745 dev->dv_timings_cap[i] = def_dv_timings; 1746 dev->std_cap[i] = V4L2_STD_PAL; 1747 } 1748 dev->dv_timings_out = def_dv_timings; 1749 dev->tv_freq = 2804 /* 175.25 * 16 */; 1750 dev->tv_audmode = V4L2_TUNER_MODE_STEREO; 1751 dev->tv_field_cap = V4L2_FIELD_INTERLACED; 1752 dev->tv_field_out = V4L2_FIELD_INTERLACED; 1753 dev->radio_rx_freq = 95000 * 16; 1754 dev->radio_rx_audmode = V4L2_TUNER_MODE_STEREO; 1755 if (dev->has_radio_tx) { 1756 dev->radio_tx_freq = 95500 * 16; 1757 dev->radio_rds_loop = false; 1758 } 1759 dev->radio_tx_subchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_RDS; 1760 dev->sdr_adc_freq = 300000; 1761 dev->sdr_fm_freq = 50000000; 1762 dev->sdr_pixelformat = V4L2_SDR_FMT_CU8; 1763 dev->sdr_buffersize = SDR_CAP_SAMPLES_PER_BUF * 2; 1764 1765 dev->edid_max_blocks = dev->edid_blocks = 2; 1766 memcpy(dev->edid, vivid_hdmi_edid, sizeof(vivid_hdmi_edid)); 1767 dev->radio_rds_init_time = ktime_get(); 1768 1769 /* create all controls */ 1770 ret = vivid_create_controls(dev, ccs_cap == -1, ccs_out == -1, no_error_inj, 1771 in_type_counter[TV] || in_type_counter[SVID] || 1772 out_type_counter[SVID], 1773 in_type_counter[HDMI] || out_type_counter[HDMI]); 1774 if (ret) 1775 goto unreg_dev; 1776 1777 /* enable/disable interface specific controls */ 1778 if (dev->num_outputs && dev->output_type[0] != HDMI) 1779 v4l2_ctrl_activate(dev->ctrl_display_present, false); 1780 if (dev->num_inputs && dev->input_type[0] != HDMI) { 1781 v4l2_ctrl_activate(dev->ctrl_dv_timings_signal_mode, false); 1782 v4l2_ctrl_activate(dev->ctrl_dv_timings, false); 1783 } else if (dev->num_inputs && dev->input_type[0] == HDMI) { 1784 v4l2_ctrl_activate(dev->ctrl_std_signal_mode, false); 1785 v4l2_ctrl_activate(dev->ctrl_standard, false); 1786 } 1787 1788 /* 1789 * update the capture and output formats to do a proper initial 1790 * configuration. 1791 */ 1792 vivid_update_format_cap(dev, false); 1793 vivid_update_format_out(dev); 1794 1795 /* initialize overlay */ 1796 dev->fb_cap.fmt.width = dev->src_rect.width; 1797 dev->fb_cap.fmt.height = dev->src_rect.height; 1798 dev->fb_cap.fmt.pixelformat = dev->fmt_cap->fourcc; 1799 dev->fb_cap.fmt.bytesperline = dev->src_rect.width * tpg_g_twopixelsize(&dev->tpg, 0) / 2; 1800 dev->fb_cap.fmt.sizeimage = dev->src_rect.height * dev->fb_cap.fmt.bytesperline; 1801 1802 /* update touch configuration */ 1803 dev->timeperframe_tch_cap.numerator = 1; 1804 dev->timeperframe_tch_cap.denominator = 10; 1805 vivid_set_touch(dev, 0); 1806 1807 /* initialize locks */ 1808 spin_lock_init(&dev->slock); 1809 mutex_init(&dev->mutex); 1810 1811 /* init dma queues */ 1812 INIT_LIST_HEAD(&dev->vid_cap_active); 1813 INIT_LIST_HEAD(&dev->vid_out_active); 1814 INIT_LIST_HEAD(&dev->vbi_cap_active); 1815 INIT_LIST_HEAD(&dev->vbi_out_active); 1816 INIT_LIST_HEAD(&dev->sdr_cap_active); 1817 INIT_LIST_HEAD(&dev->meta_cap_active); 1818 INIT_LIST_HEAD(&dev->meta_out_active); 1819 INIT_LIST_HEAD(&dev->touch_cap_active); 1820 1821 INIT_LIST_HEAD(&dev->cec_work_list); 1822 spin_lock_init(&dev->cec_slock); 1823 /* 1824 * Same as create_singlethread_workqueue, but now I can use the 1825 * string formatting of alloc_ordered_workqueue. 1826 */ 1827 dev->cec_workqueue = alloc_ordered_workqueue("vivid-%03d-cec", 1828 WQ_MEM_RECLAIM, inst); 1829 if (!dev->cec_workqueue) { 1830 ret = -ENOMEM; 1831 goto unreg_dev; 1832 } 1833 1834 if (allocators[inst] == 1) 1835 dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); 1836 1837 ret = vivid_create_queues(dev); 1838 if (ret) 1839 goto unreg_dev; 1840 1841 #ifdef CONFIG_VIDEO_VIVID_CEC 1842 if (dev->has_vid_cap && in_type_counter[HDMI]) { 1843 struct cec_adapter *adap; 1844 1845 adap = vivid_cec_alloc_adap(dev, 0, false); 1846 ret = PTR_ERR_OR_ZERO(adap); 1847 if (ret < 0) 1848 goto unreg_dev; 1849 dev->cec_rx_adap = adap; 1850 } 1851 1852 if (dev->has_vid_out) { 1853 for (i = 0; i < dev->num_outputs; i++) { 1854 struct cec_adapter *adap; 1855 1856 if (dev->output_type[i] != HDMI) 1857 continue; 1858 1859 dev->cec_output2bus_map[i] = cec_tx_bus_cnt; 1860 adap = vivid_cec_alloc_adap(dev, cec_tx_bus_cnt, true); 1861 ret = PTR_ERR_OR_ZERO(adap); 1862 if (ret < 0) { 1863 for (i = 0; i < dev->num_outputs; i++) 1864 cec_delete_adapter(dev->cec_tx_adap[i]); 1865 goto unreg_dev; 1866 } 1867 1868 dev->cec_tx_adap[cec_tx_bus_cnt] = adap; 1869 cec_tx_bus_cnt++; 1870 } 1871 } 1872 #endif 1873 1874 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_cap); 1875 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_out); 1876 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_cap); 1877 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_out); 1878 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_rx); 1879 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_tx); 1880 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_sdr_cap); 1881 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_meta_cap); 1882 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_meta_out); 1883 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_touch_cap); 1884 1885 /* finally start creating the device nodes */ 1886 ret = vivid_create_devnodes(pdev, dev, inst, cec_tx_bus_cnt, 1887 tvnorms_cap, tvnorms_out, 1888 in_type_counter, out_type_counter); 1889 if (ret) 1890 goto unreg_dev; 1891 1892 /* Now that everything is fine, let's add it to device list */ 1893 vivid_devs[inst] = dev; 1894 1895 return 0; 1896 1897 unreg_dev: 1898 vb2_video_unregister_device(&dev->touch_cap_dev); 1899 vb2_video_unregister_device(&dev->meta_out_dev); 1900 vb2_video_unregister_device(&dev->meta_cap_dev); 1901 video_unregister_device(&dev->radio_tx_dev); 1902 video_unregister_device(&dev->radio_rx_dev); 1903 vb2_video_unregister_device(&dev->sdr_cap_dev); 1904 vb2_video_unregister_device(&dev->vbi_out_dev); 1905 vb2_video_unregister_device(&dev->vbi_cap_dev); 1906 vb2_video_unregister_device(&dev->vid_out_dev); 1907 vb2_video_unregister_device(&dev->vid_cap_dev); 1908 cec_unregister_adapter(dev->cec_rx_adap); 1909 for (i = 0; i < MAX_OUTPUTS; i++) 1910 cec_unregister_adapter(dev->cec_tx_adap[i]); 1911 if (dev->cec_workqueue) { 1912 vivid_cec_bus_free_work(dev); 1913 destroy_workqueue(dev->cec_workqueue); 1914 } 1915 free_dev: 1916 v4l2_device_put(&dev->v4l2_dev); 1917 return ret; 1918 } 1919 1920 /* This routine allocates from 1 to n_devs virtual drivers. 1921 1922 The real maximum number of virtual drivers will depend on how many drivers 1923 will succeed. This is limited to the maximum number of devices that 1924 videodev supports, which is equal to VIDEO_NUM_DEVICES. 1925 */ 1926 static int vivid_probe(struct platform_device *pdev) 1927 { 1928 const struct font_desc *font = find_font("VGA8x16"); 1929 int ret = 0, i; 1930 1931 if (font == NULL) { 1932 pr_err("vivid: could not find font\n"); 1933 return -ENODEV; 1934 } 1935 1936 tpg_set_font(font->data); 1937 1938 n_devs = clamp_t(unsigned, n_devs, 1, VIVID_MAX_DEVS); 1939 1940 for (i = 0; i < n_devs; i++) { 1941 ret = vivid_create_instance(pdev, i); 1942 if (ret) { 1943 /* If some instantiations succeeded, keep driver */ 1944 if (i) 1945 ret = 0; 1946 break; 1947 } 1948 } 1949 1950 if (ret < 0) { 1951 pr_err("vivid: error %d while loading driver\n", ret); 1952 return ret; 1953 } 1954 1955 /* n_devs will reflect the actual number of allocated devices */ 1956 n_devs = i; 1957 1958 return ret; 1959 } 1960 1961 static int vivid_remove(struct platform_device *pdev) 1962 { 1963 struct vivid_dev *dev; 1964 unsigned int i, j; 1965 1966 for (i = 0; i < n_devs; i++) { 1967 dev = vivid_devs[i]; 1968 if (!dev) 1969 continue; 1970 1971 #ifdef CONFIG_MEDIA_CONTROLLER 1972 media_device_unregister(&dev->mdev); 1973 #endif 1974 1975 if (dev->has_vid_cap) { 1976 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 1977 video_device_node_name(&dev->vid_cap_dev)); 1978 vb2_video_unregister_device(&dev->vid_cap_dev); 1979 } 1980 if (dev->has_vid_out) { 1981 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 1982 video_device_node_name(&dev->vid_out_dev)); 1983 vb2_video_unregister_device(&dev->vid_out_dev); 1984 } 1985 if (dev->has_vbi_cap) { 1986 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 1987 video_device_node_name(&dev->vbi_cap_dev)); 1988 vb2_video_unregister_device(&dev->vbi_cap_dev); 1989 } 1990 if (dev->has_vbi_out) { 1991 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 1992 video_device_node_name(&dev->vbi_out_dev)); 1993 vb2_video_unregister_device(&dev->vbi_out_dev); 1994 } 1995 if (dev->has_sdr_cap) { 1996 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 1997 video_device_node_name(&dev->sdr_cap_dev)); 1998 vb2_video_unregister_device(&dev->sdr_cap_dev); 1999 } 2000 if (dev->has_radio_rx) { 2001 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 2002 video_device_node_name(&dev->radio_rx_dev)); 2003 video_unregister_device(&dev->radio_rx_dev); 2004 } 2005 if (dev->has_radio_tx) { 2006 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 2007 video_device_node_name(&dev->radio_tx_dev)); 2008 video_unregister_device(&dev->radio_tx_dev); 2009 } 2010 if (dev->has_fb) { 2011 v4l2_info(&dev->v4l2_dev, "unregistering fb%d\n", 2012 dev->fb_info.node); 2013 unregister_framebuffer(&dev->fb_info); 2014 vivid_fb_release_buffers(dev); 2015 } 2016 if (dev->has_meta_cap) { 2017 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 2018 video_device_node_name(&dev->meta_cap_dev)); 2019 vb2_video_unregister_device(&dev->meta_cap_dev); 2020 } 2021 if (dev->has_meta_out) { 2022 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 2023 video_device_node_name(&dev->meta_out_dev)); 2024 vb2_video_unregister_device(&dev->meta_out_dev); 2025 } 2026 if (dev->has_touch_cap) { 2027 v4l2_info(&dev->v4l2_dev, "unregistering %s\n", 2028 video_device_node_name(&dev->touch_cap_dev)); 2029 vb2_video_unregister_device(&dev->touch_cap_dev); 2030 } 2031 cec_unregister_adapter(dev->cec_rx_adap); 2032 for (j = 0; j < MAX_OUTPUTS; j++) 2033 cec_unregister_adapter(dev->cec_tx_adap[j]); 2034 if (dev->cec_workqueue) { 2035 vivid_cec_bus_free_work(dev); 2036 destroy_workqueue(dev->cec_workqueue); 2037 } 2038 v4l2_device_put(&dev->v4l2_dev); 2039 vivid_devs[i] = NULL; 2040 } 2041 return 0; 2042 } 2043 2044 static void vivid_pdev_release(struct device *dev) 2045 { 2046 } 2047 2048 static struct platform_device vivid_pdev = { 2049 .name = "vivid", 2050 .dev.release = vivid_pdev_release, 2051 }; 2052 2053 static struct platform_driver vivid_pdrv = { 2054 .probe = vivid_probe, 2055 .remove = vivid_remove, 2056 .driver = { 2057 .name = "vivid", 2058 }, 2059 }; 2060 2061 static int __init vivid_init(void) 2062 { 2063 int ret; 2064 2065 ret = platform_device_register(&vivid_pdev); 2066 if (ret) 2067 return ret; 2068 2069 ret = platform_driver_register(&vivid_pdrv); 2070 if (ret) 2071 platform_device_unregister(&vivid_pdev); 2072 2073 return ret; 2074 } 2075 2076 static void __exit vivid_exit(void) 2077 { 2078 platform_driver_unregister(&vivid_pdrv); 2079 platform_device_unregister(&vivid_pdev); 2080 } 2081 2082 module_init(vivid_init); 2083 module_exit(vivid_exit); 2084