1 // SPDX-License-Identifier: GPL-2.0-only
3 * vivid-core.c - A Virtual Video Test Driver, core initialization
5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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>
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"
41 #define VIVID_MODULE_NAME "vivid"
43 /* The maximum number of vivid devices */
44 #define VIVID_MAX_DEVS CONFIG_VIDEO_VIVID_MAX_DEVS
46 MODULE_DESCRIPTION("Virtual Video Test Driver");
47 MODULE_AUTHOR("Hans Verkuil");
48 MODULE_LICENSE("GPL");
50 static unsigned n_devs = 1;
51 module_param(n_devs, uint, 0444);
52 MODULE_PARM_DESC(n_devs, " number of driver instances to create");
54 static int vid_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
55 module_param_array(vid_cap_nr, int, NULL, 0444);
56 MODULE_PARM_DESC(vid_cap_nr, " videoX start number, -1 is autodetect");
58 static int vid_out_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
59 module_param_array(vid_out_nr, int, NULL, 0444);
60 MODULE_PARM_DESC(vid_out_nr, " videoX start number, -1 is autodetect");
62 static int vbi_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
63 module_param_array(vbi_cap_nr, int, NULL, 0444);
64 MODULE_PARM_DESC(vbi_cap_nr, " vbiX start number, -1 is autodetect");
66 static int vbi_out_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
67 module_param_array(vbi_out_nr, int, NULL, 0444);
68 MODULE_PARM_DESC(vbi_out_nr, " vbiX start number, -1 is autodetect");
70 static int sdr_cap_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
71 module_param_array(sdr_cap_nr, int, NULL, 0444);
72 MODULE_PARM_DESC(sdr_cap_nr, " swradioX start number, -1 is autodetect");
74 static int radio_rx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
75 module_param_array(radio_rx_nr, int, NULL, 0444);
76 MODULE_PARM_DESC(radio_rx_nr, " radioX start number, -1 is autodetect");
78 static int radio_tx_nr[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
79 module_param_array(radio_tx_nr, int, NULL, 0444);
80 MODULE_PARM_DESC(radio_tx_nr, " radioX start number, -1 is autodetect");
82 static int ccs_cap_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
83 module_param_array(ccs_cap_mode, int, NULL, 0444);
84 MODULE_PARM_DESC(ccs_cap_mode, " capture crop/compose/scale mode:\n"
85 "\t\t bit 0=crop, 1=compose, 2=scale,\n"
86 "\t\t -1=user-controlled (default)");
88 static int ccs_out_mode[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = -1 };
89 module_param_array(ccs_out_mode, int, NULL, 0444);
90 MODULE_PARM_DESC(ccs_out_mode, " output crop/compose/scale mode:\n"
91 "\t\t bit 0=crop, 1=compose, 2=scale,\n"
92 "\t\t -1=user-controlled (default)");
94 static unsigned multiplanar[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 1 };
95 module_param_array(multiplanar, uint, NULL, 0444);
96 MODULE_PARM_DESC(multiplanar, " 1 (default) creates a single planar device, 2 creates a multiplanar device.");
98 /* Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + vbi-out + vid-out */
99 static unsigned node_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0x1d3d };
100 module_param_array(node_types, uint, NULL, 0444);
101 MODULE_PARM_DESC(node_types, " node types, default is 0x1d3d. Bitmask with the following meaning:\n"
102 "\t\t bit 0: Video Capture node\n"
103 "\t\t bit 2-3: VBI Capture node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n"
104 "\t\t bit 4: Radio Receiver node\n"
105 "\t\t bit 5: Software Defined Radio Receiver node\n"
106 "\t\t bit 8: Video Output node\n"
107 "\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n"
108 "\t\t bit 12: Radio Transmitter node\n"
109 "\t\t bit 16: Framebuffer for testing overlays");
111 /* Default: 4 inputs */
112 static unsigned num_inputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 4 };
113 module_param_array(num_inputs, uint, NULL, 0444);
114 MODULE_PARM_DESC(num_inputs, " number of inputs, default is 4");
116 /* Default: input 0 = WEBCAM, 1 = TV, 2 = SVID, 3 = HDMI */
117 static unsigned input_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0xe4 };
118 module_param_array(input_types, uint, NULL, 0444);
119 MODULE_PARM_DESC(input_types, " input types, default is 0xe4. Two bits per input,\n"
120 "\t\t bits 0-1 == input 0, bits 31-30 == input 15.\n"
121 "\t\t Type 0 == webcam, 1 == TV, 2 == S-Video, 3 == HDMI");
123 /* Default: 2 outputs */
124 static unsigned num_outputs[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 2 };
125 module_param_array(num_outputs, uint, NULL, 0444);
126 MODULE_PARM_DESC(num_outputs, " number of outputs, default is 2");
128 /* Default: output 0 = SVID, 1 = HDMI */
129 static unsigned output_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 2 };
130 module_param_array(output_types, uint, NULL, 0444);
131 MODULE_PARM_DESC(output_types, " output types, default is 0x02. One bit per output,\n"
132 "\t\t bit 0 == output 0, bit 15 == output 15.\n"
133 "\t\t Type 0 == S-Video, 1 == HDMI");
135 unsigned vivid_debug;
136 module_param(vivid_debug, uint, 0644);
137 MODULE_PARM_DESC(vivid_debug, " activates debug info");
139 static bool no_error_inj;
140 module_param(no_error_inj, bool, 0444);
141 MODULE_PARM_DESC(no_error_inj, " if set disable the error injecting controls");
143 static unsigned int allocators[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0 };
144 module_param_array(allocators, uint, NULL, 0444);
145 MODULE_PARM_DESC(allocators, " memory allocator selection, default is 0.\n"
146 "\t\t 0 == vmalloc\n"
147 "\t\t 1 == dma-contig");
149 static struct vivid_dev *vivid_devs[VIVID_MAX_DEVS];
151 const struct v4l2_rect vivid_min_rect = {
152 0, 0, MIN_WIDTH, MIN_HEIGHT
155 const struct v4l2_rect vivid_max_rect = {
156 0, 0, MAX_WIDTH * MAX_ZOOM, MAX_HEIGHT * MAX_ZOOM
159 static const u8 vivid_hdmi_edid[256] = {
160 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
161 0x31, 0xd8, 0x34, 0x12, 0x00, 0x00, 0x00, 0x00,
162 0x22, 0x1a, 0x01, 0x03, 0x80, 0x60, 0x36, 0x78,
163 0x0f, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26,
164 0x0f, 0x50, 0x54, 0x2f, 0xcf, 0x00, 0x31, 0x59,
165 0x45, 0x59, 0x81, 0x80, 0x81, 0x40, 0x90, 0x40,
166 0x95, 0x00, 0xa9, 0x40, 0xb3, 0x00, 0x08, 0xe8,
167 0x00, 0x30, 0xf2, 0x70, 0x5a, 0x80, 0xb0, 0x58,
168 0x8a, 0x00, 0xc0, 0x1c, 0x32, 0x00, 0x00, 0x1e,
169 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x55, 0x18,
170 0x87, 0x3c, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20,
171 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x76,
172 0x69, 0x76, 0x69, 0x64, 0x0a, 0x20, 0x20, 0x20,
173 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x10,
174 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
175 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x7b,
177 0x02, 0x03, 0x3f, 0xf0, 0x51, 0x61, 0x60, 0x5f,
178 0x5e, 0x5d, 0x10, 0x1f, 0x04, 0x13, 0x22, 0x21,
179 0x20, 0x05, 0x14, 0x02, 0x11, 0x01, 0x23, 0x09,
180 0x07, 0x07, 0x83, 0x01, 0x00, 0x00, 0x6d, 0x03,
181 0x0c, 0x00, 0x10, 0x00, 0x00, 0x3c, 0x21, 0x00,
182 0x60, 0x01, 0x02, 0x03, 0x67, 0xd8, 0x5d, 0xc4,
183 0x01, 0x78, 0x00, 0x00, 0xe2, 0x00, 0xea, 0xe3,
184 0x05, 0x00, 0x00, 0xe3, 0x06, 0x01, 0x00, 0x4d,
185 0xd0, 0x00, 0xa0, 0xf0, 0x70, 0x3e, 0x80, 0x30,
186 0x20, 0x35, 0x00, 0xc0, 0x1c, 0x32, 0x00, 0x00,
187 0x1e, 0x1a, 0x36, 0x80, 0xa0, 0x70, 0x38, 0x1f,
188 0x40, 0x30, 0x20, 0x35, 0x00, 0xc0, 0x1c, 0x32,
189 0x00, 0x00, 0x1a, 0x1a, 0x1d, 0x00, 0x80, 0x51,
190 0xd0, 0x1c, 0x20, 0x40, 0x80, 0x35, 0x00, 0xc0,
191 0x1c, 0x32, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00,
192 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63,
195 static int vidioc_querycap(struct file *file, void *priv,
196 struct v4l2_capability *cap)
198 struct vivid_dev *dev = video_drvdata(file);
200 strscpy(cap->driver, "vivid", sizeof(cap->driver));
201 strscpy(cap->card, "vivid", sizeof(cap->card));
202 snprintf(cap->bus_info, sizeof(cap->bus_info),
203 "platform:%s", dev->v4l2_dev.name);
205 cap->capabilities = dev->vid_cap_caps | dev->vid_out_caps |
206 dev->vbi_cap_caps | dev->vbi_out_caps |
207 dev->radio_rx_caps | dev->radio_tx_caps |
208 dev->sdr_cap_caps | V4L2_CAP_DEVICE_CAPS;
212 static int vidioc_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a)
214 struct video_device *vdev = video_devdata(file);
216 if (vdev->vfl_type == VFL_TYPE_RADIO)
217 return vivid_radio_rx_s_hw_freq_seek(file, fh, a);
221 static int vidioc_enum_freq_bands(struct file *file, void *fh, struct v4l2_frequency_band *band)
223 struct video_device *vdev = video_devdata(file);
225 if (vdev->vfl_type == VFL_TYPE_RADIO)
226 return vivid_radio_rx_enum_freq_bands(file, fh, band);
227 if (vdev->vfl_type == VFL_TYPE_SDR)
228 return vivid_sdr_enum_freq_bands(file, fh, band);
232 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
234 struct video_device *vdev = video_devdata(file);
236 if (vdev->vfl_type == VFL_TYPE_RADIO)
237 return vivid_radio_rx_g_tuner(file, fh, vt);
238 if (vdev->vfl_type == VFL_TYPE_SDR)
239 return vivid_sdr_g_tuner(file, fh, vt);
240 return vivid_video_g_tuner(file, fh, vt);
243 static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt)
245 struct video_device *vdev = video_devdata(file);
247 if (vdev->vfl_type == VFL_TYPE_RADIO)
248 return vivid_radio_rx_s_tuner(file, fh, vt);
249 if (vdev->vfl_type == VFL_TYPE_SDR)
250 return vivid_sdr_s_tuner(file, fh, vt);
251 return vivid_video_s_tuner(file, fh, vt);
254 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
256 struct vivid_dev *dev = video_drvdata(file);
257 struct video_device *vdev = video_devdata(file);
259 if (vdev->vfl_type == VFL_TYPE_RADIO)
260 return vivid_radio_g_frequency(file,
261 vdev->vfl_dir == VFL_DIR_RX ?
262 &dev->radio_rx_freq : &dev->radio_tx_freq, vf);
263 if (vdev->vfl_type == VFL_TYPE_SDR)
264 return vivid_sdr_g_frequency(file, fh, vf);
265 return vivid_video_g_frequency(file, fh, vf);
268 static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf)
270 struct vivid_dev *dev = video_drvdata(file);
271 struct video_device *vdev = video_devdata(file);
273 if (vdev->vfl_type == VFL_TYPE_RADIO)
274 return vivid_radio_s_frequency(file,
275 vdev->vfl_dir == VFL_DIR_RX ?
276 &dev->radio_rx_freq : &dev->radio_tx_freq, vf);
277 if (vdev->vfl_type == VFL_TYPE_SDR)
278 return vivid_sdr_s_frequency(file, fh, vf);
279 return vivid_video_s_frequency(file, fh, vf);
282 static int vidioc_overlay(struct file *file, void *fh, unsigned i)
284 struct video_device *vdev = video_devdata(file);
286 if (vdev->vfl_dir == VFL_DIR_RX)
287 return vivid_vid_cap_overlay(file, fh, i);
288 return vivid_vid_out_overlay(file, fh, i);
291 static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a)
293 struct video_device *vdev = video_devdata(file);
295 if (vdev->vfl_dir == VFL_DIR_RX)
296 return vivid_vid_cap_g_fbuf(file, fh, a);
297 return vivid_vid_out_g_fbuf(file, fh, a);
300 static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a)
302 struct video_device *vdev = video_devdata(file);
304 if (vdev->vfl_dir == VFL_DIR_RX)
305 return vivid_vid_cap_s_fbuf(file, fh, a);
306 return vivid_vid_out_s_fbuf(file, fh, a);
309 static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id id)
311 struct video_device *vdev = video_devdata(file);
313 if (vdev->vfl_dir == VFL_DIR_RX)
314 return vivid_vid_cap_s_std(file, fh, id);
315 return vivid_vid_out_s_std(file, fh, id);
318 static int vidioc_s_dv_timings(struct file *file, void *fh, struct v4l2_dv_timings *timings)
320 struct video_device *vdev = video_devdata(file);
322 if (vdev->vfl_dir == VFL_DIR_RX)
323 return vivid_vid_cap_s_dv_timings(file, fh, timings);
324 return vivid_vid_out_s_dv_timings(file, fh, timings);
327 static int vidioc_g_pixelaspect(struct file *file, void *fh,
328 int type, struct v4l2_fract *f)
330 struct video_device *vdev = video_devdata(file);
332 if (vdev->vfl_dir == VFL_DIR_RX)
333 return vivid_vid_cap_g_pixelaspect(file, fh, type, f);
334 return vivid_vid_out_g_pixelaspect(file, fh, type, f);
337 static int vidioc_g_selection(struct file *file, void *fh,
338 struct v4l2_selection *sel)
340 struct video_device *vdev = video_devdata(file);
342 if (vdev->vfl_dir == VFL_DIR_RX)
343 return vivid_vid_cap_g_selection(file, fh, sel);
344 return vivid_vid_out_g_selection(file, fh, sel);
347 static int vidioc_s_selection(struct file *file, void *fh,
348 struct v4l2_selection *sel)
350 struct video_device *vdev = video_devdata(file);
352 if (vdev->vfl_dir == VFL_DIR_RX)
353 return vivid_vid_cap_s_selection(file, fh, sel);
354 return vivid_vid_out_s_selection(file, fh, sel);
357 static int vidioc_g_parm(struct file *file, void *fh,
358 struct v4l2_streamparm *parm)
360 struct video_device *vdev = video_devdata(file);
362 if (vdev->vfl_dir == VFL_DIR_RX)
363 return vivid_vid_cap_g_parm(file, fh, parm);
364 return vivid_vid_out_g_parm(file, fh, parm);
367 static int vidioc_s_parm(struct file *file, void *fh,
368 struct v4l2_streamparm *parm)
370 struct video_device *vdev = video_devdata(file);
372 if (vdev->vfl_dir == VFL_DIR_RX)
373 return vivid_vid_cap_s_parm(file, fh, parm);
377 static int vidioc_log_status(struct file *file, void *fh)
379 struct vivid_dev *dev = video_drvdata(file);
380 struct video_device *vdev = video_devdata(file);
382 v4l2_ctrl_log_status(file, fh);
383 if (vdev->vfl_dir == VFL_DIR_RX && vdev->vfl_type == VFL_TYPE_GRABBER)
384 tpg_log_status(&dev->tpg);
388 static ssize_t vivid_radio_read(struct file *file, char __user *buf,
389 size_t size, loff_t *offset)
391 struct video_device *vdev = video_devdata(file);
393 if (vdev->vfl_dir == VFL_DIR_TX)
395 return vivid_radio_rx_read(file, buf, size, offset);
398 static ssize_t vivid_radio_write(struct file *file, const char __user *buf,
399 size_t size, loff_t *offset)
401 struct video_device *vdev = video_devdata(file);
403 if (vdev->vfl_dir == VFL_DIR_RX)
405 return vivid_radio_tx_write(file, buf, size, offset);
408 static __poll_t vivid_radio_poll(struct file *file, struct poll_table_struct *wait)
410 struct video_device *vdev = video_devdata(file);
412 if (vdev->vfl_dir == VFL_DIR_RX)
413 return vivid_radio_rx_poll(file, wait);
414 return vivid_radio_tx_poll(file, wait);
417 static bool vivid_is_in_use(struct video_device *vdev)
422 spin_lock_irqsave(&vdev->fh_lock, flags);
423 res = !list_empty(&vdev->fh_list);
424 spin_unlock_irqrestore(&vdev->fh_lock, flags);
428 static bool vivid_is_last_user(struct vivid_dev *dev)
430 unsigned uses = vivid_is_in_use(&dev->vid_cap_dev) +
431 vivid_is_in_use(&dev->vid_out_dev) +
432 vivid_is_in_use(&dev->vbi_cap_dev) +
433 vivid_is_in_use(&dev->vbi_out_dev) +
434 vivid_is_in_use(&dev->sdr_cap_dev) +
435 vivid_is_in_use(&dev->radio_rx_dev) +
436 vivid_is_in_use(&dev->radio_tx_dev);
441 static int vivid_fop_release(struct file *file)
443 struct vivid_dev *dev = video_drvdata(file);
444 struct video_device *vdev = video_devdata(file);
446 mutex_lock(&dev->mutex);
447 if (!no_error_inj && v4l2_fh_is_singular_file(file) &&
448 !video_is_registered(vdev) && vivid_is_last_user(dev)) {
450 * I am the last user of this driver, and a disconnect
451 * was forced (since this video_device is unregistered),
452 * so re-register all video_device's again.
454 v4l2_info(&dev->v4l2_dev, "reconnect\n");
455 set_bit(V4L2_FL_REGISTERED, &dev->vid_cap_dev.flags);
456 set_bit(V4L2_FL_REGISTERED, &dev->vid_out_dev.flags);
457 set_bit(V4L2_FL_REGISTERED, &dev->vbi_cap_dev.flags);
458 set_bit(V4L2_FL_REGISTERED, &dev->vbi_out_dev.flags);
459 set_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags);
460 set_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags);
461 set_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags);
463 mutex_unlock(&dev->mutex);
464 if (file->private_data == dev->overlay_cap_owner)
465 dev->overlay_cap_owner = NULL;
466 if (file->private_data == dev->radio_rx_rds_owner) {
467 dev->radio_rx_rds_last_block = 0;
468 dev->radio_rx_rds_owner = NULL;
470 if (file->private_data == dev->radio_tx_rds_owner) {
471 dev->radio_tx_rds_last_block = 0;
472 dev->radio_tx_rds_owner = NULL;
475 return vb2_fop_release(file);
476 return v4l2_fh_release(file);
479 static const struct v4l2_file_operations vivid_fops = {
480 .owner = THIS_MODULE,
481 .open = v4l2_fh_open,
482 .release = vivid_fop_release,
483 .read = vb2_fop_read,
484 .write = vb2_fop_write,
485 .poll = vb2_fop_poll,
486 .unlocked_ioctl = video_ioctl2,
487 .mmap = vb2_fop_mmap,
490 static const struct v4l2_file_operations vivid_radio_fops = {
491 .owner = THIS_MODULE,
492 .open = v4l2_fh_open,
493 .release = vivid_fop_release,
494 .read = vivid_radio_read,
495 .write = vivid_radio_write,
496 .poll = vivid_radio_poll,
497 .unlocked_ioctl = video_ioctl2,
500 static const struct v4l2_ioctl_ops vivid_ioctl_ops = {
501 .vidioc_querycap = vidioc_querycap,
503 .vidioc_enum_fmt_vid_cap = vivid_enum_fmt_vid,
504 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
505 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
506 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
507 .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt_vid_cap_mplane,
508 .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane,
509 .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt_vid_cap_mplane,
511 .vidioc_enum_fmt_vid_out = vivid_enum_fmt_vid,
512 .vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out,
513 .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out,
514 .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out,
515 .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt_vid_out_mplane,
516 .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane,
517 .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt_vid_out_mplane,
519 .vidioc_g_selection = vidioc_g_selection,
520 .vidioc_s_selection = vidioc_s_selection,
521 .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
523 .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
524 .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
525 .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap,
527 .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap,
528 .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_fmt_sliced_vbi_cap,
529 .vidioc_s_fmt_sliced_vbi_cap = vidioc_s_fmt_sliced_vbi_cap,
530 .vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap,
532 .vidioc_g_fmt_vbi_out = vidioc_g_fmt_vbi_out,
533 .vidioc_try_fmt_vbi_out = vidioc_g_fmt_vbi_out,
534 .vidioc_s_fmt_vbi_out = vidioc_s_fmt_vbi_out,
536 .vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out,
537 .vidioc_try_fmt_sliced_vbi_out = vidioc_try_fmt_sliced_vbi_out,
538 .vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out,
540 .vidioc_enum_fmt_sdr_cap = vidioc_enum_fmt_sdr_cap,
541 .vidioc_g_fmt_sdr_cap = vidioc_g_fmt_sdr_cap,
542 .vidioc_try_fmt_sdr_cap = vidioc_try_fmt_sdr_cap,
543 .vidioc_s_fmt_sdr_cap = vidioc_s_fmt_sdr_cap,
545 .vidioc_overlay = vidioc_overlay,
546 .vidioc_enum_framesizes = vidioc_enum_framesizes,
547 .vidioc_enum_frameintervals = vidioc_enum_frameintervals,
548 .vidioc_g_parm = vidioc_g_parm,
549 .vidioc_s_parm = vidioc_s_parm,
551 .vidioc_enum_fmt_vid_overlay = vidioc_enum_fmt_vid_overlay,
552 .vidioc_g_fmt_vid_overlay = vidioc_g_fmt_vid_overlay,
553 .vidioc_try_fmt_vid_overlay = vidioc_try_fmt_vid_overlay,
554 .vidioc_s_fmt_vid_overlay = vidioc_s_fmt_vid_overlay,
555 .vidioc_g_fmt_vid_out_overlay = vidioc_g_fmt_vid_out_overlay,
556 .vidioc_try_fmt_vid_out_overlay = vidioc_try_fmt_vid_out_overlay,
557 .vidioc_s_fmt_vid_out_overlay = vidioc_s_fmt_vid_out_overlay,
558 .vidioc_g_fbuf = vidioc_g_fbuf,
559 .vidioc_s_fbuf = vidioc_s_fbuf,
561 .vidioc_reqbufs = vb2_ioctl_reqbufs,
562 .vidioc_create_bufs = vb2_ioctl_create_bufs,
563 .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
564 .vidioc_querybuf = vb2_ioctl_querybuf,
565 .vidioc_qbuf = vb2_ioctl_qbuf,
566 .vidioc_dqbuf = vb2_ioctl_dqbuf,
567 .vidioc_expbuf = vb2_ioctl_expbuf,
568 .vidioc_streamon = vb2_ioctl_streamon,
569 .vidioc_streamoff = vb2_ioctl_streamoff,
571 .vidioc_enum_input = vidioc_enum_input,
572 .vidioc_g_input = vidioc_g_input,
573 .vidioc_s_input = vidioc_s_input,
574 .vidioc_s_audio = vidioc_s_audio,
575 .vidioc_g_audio = vidioc_g_audio,
576 .vidioc_enumaudio = vidioc_enumaudio,
577 .vidioc_s_frequency = vidioc_s_frequency,
578 .vidioc_g_frequency = vidioc_g_frequency,
579 .vidioc_s_tuner = vidioc_s_tuner,
580 .vidioc_g_tuner = vidioc_g_tuner,
581 .vidioc_s_modulator = vidioc_s_modulator,
582 .vidioc_g_modulator = vidioc_g_modulator,
583 .vidioc_s_hw_freq_seek = vidioc_s_hw_freq_seek,
584 .vidioc_enum_freq_bands = vidioc_enum_freq_bands,
586 .vidioc_enum_output = vidioc_enum_output,
587 .vidioc_g_output = vidioc_g_output,
588 .vidioc_s_output = vidioc_s_output,
589 .vidioc_s_audout = vidioc_s_audout,
590 .vidioc_g_audout = vidioc_g_audout,
591 .vidioc_enumaudout = vidioc_enumaudout,
593 .vidioc_querystd = vidioc_querystd,
594 .vidioc_g_std = vidioc_g_std,
595 .vidioc_s_std = vidioc_s_std,
596 .vidioc_s_dv_timings = vidioc_s_dv_timings,
597 .vidioc_g_dv_timings = vidioc_g_dv_timings,
598 .vidioc_query_dv_timings = vidioc_query_dv_timings,
599 .vidioc_enum_dv_timings = vidioc_enum_dv_timings,
600 .vidioc_dv_timings_cap = vidioc_dv_timings_cap,
601 .vidioc_g_edid = vidioc_g_edid,
602 .vidioc_s_edid = vidioc_s_edid,
604 .vidioc_log_status = vidioc_log_status,
605 .vidioc_subscribe_event = vidioc_subscribe_event,
606 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
609 /* -----------------------------------------------------------------
610 Initialization and module stuff
611 ------------------------------------------------------------------*/
613 static void vivid_dev_release(struct v4l2_device *v4l2_dev)
615 struct vivid_dev *dev = container_of(v4l2_dev, struct vivid_dev, v4l2_dev);
617 vivid_free_controls(dev);
618 v4l2_device_unregister(&dev->v4l2_dev);
619 vfree(dev->scaled_line);
620 vfree(dev->blended_line);
622 vfree(dev->bitmap_cap);
623 vfree(dev->bitmap_out);
625 kfree(dev->query_dv_timings_qmenu);
626 kfree(dev->query_dv_timings_qmenu_strings);
630 #ifdef CONFIG_MEDIA_CONTROLLER
631 static int vivid_req_validate(struct media_request *req)
633 struct vivid_dev *dev = container_of(req->mdev, struct vivid_dev, mdev);
635 if (dev->req_validate_error) {
636 dev->req_validate_error = false;
639 return vb2_request_validate(req);
642 static const struct media_device_ops vivid_media_ops = {
643 .req_validate = vivid_req_validate,
644 .req_queue = vb2_request_queue,
648 static int vivid_create_instance(struct platform_device *pdev, int inst)
650 static const struct v4l2_dv_timings def_dv_timings =
651 V4L2_DV_BT_CEA_1280X720P60;
652 static const struct vb2_mem_ops * const vivid_mem_ops[2] = {
654 &vb2_dma_contig_memops,
656 unsigned in_type_counter[4] = { 0, 0, 0, 0 };
657 unsigned out_type_counter[4] = { 0, 0, 0, 0 };
658 int ccs_cap = ccs_cap_mode[inst];
659 int ccs_out = ccs_out_mode[inst];
662 struct vivid_dev *dev;
663 struct video_device *vfd;
665 unsigned node_type = node_types[inst];
666 unsigned int allocator = allocators[inst];
667 v4l2_std_id tvnorms_cap = 0, tvnorms_out = 0;
670 #ifdef CONFIG_VIDEO_VIVID_CEC
671 unsigned int cec_tx_bus_cnt = 0;
674 /* allocate main vivid state structure */
675 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
681 #ifdef CONFIG_MEDIA_CONTROLLER
682 dev->v4l2_dev.mdev = &dev->mdev;
684 /* Initialize media device */
685 strscpy(dev->mdev.model, VIVID_MODULE_NAME, sizeof(dev->mdev.model));
686 snprintf(dev->mdev.bus_info, sizeof(dev->mdev.bus_info),
687 "platform:%s-%03d", VIVID_MODULE_NAME, inst);
688 dev->mdev.dev = &pdev->dev;
689 media_device_init(&dev->mdev);
690 dev->mdev.ops = &vivid_media_ops;
693 /* register v4l2_device */
694 snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name),
695 "%s-%03d", VIVID_MODULE_NAME, inst);
696 ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
701 dev->v4l2_dev.release = vivid_dev_release;
703 /* start detecting feature set */
705 /* do we use single- or multi-planar? */
706 dev->multiplanar = multiplanar[inst] > 1;
707 v4l2_info(&dev->v4l2_dev, "using %splanar format API\n",
708 dev->multiplanar ? "multi" : "single ");
710 /* how many inputs do we have and of what type? */
711 dev->num_inputs = num_inputs[inst];
712 if (dev->num_inputs < 1)
714 if (dev->num_inputs >= MAX_INPUTS)
715 dev->num_inputs = MAX_INPUTS;
716 for (i = 0; i < dev->num_inputs; i++) {
717 dev->input_type[i] = (input_types[inst] >> (i * 2)) & 0x3;
718 dev->input_name_counter[i] = in_type_counter[dev->input_type[i]]++;
720 dev->has_audio_inputs = in_type_counter[TV] && in_type_counter[SVID];
721 if (in_type_counter[HDMI] == 16) {
722 /* The CEC physical address only allows for max 15 inputs */
723 in_type_counter[HDMI]--;
726 dev->num_hdmi_inputs = in_type_counter[HDMI];
728 /* how many outputs do we have and of what type? */
729 dev->num_outputs = num_outputs[inst];
730 if (dev->num_outputs < 1)
731 dev->num_outputs = 1;
732 if (dev->num_outputs >= MAX_OUTPUTS)
733 dev->num_outputs = MAX_OUTPUTS;
734 for (i = 0; i < dev->num_outputs; i++) {
735 dev->output_type[i] = ((output_types[inst] >> i) & 1) ? HDMI : SVID;
736 dev->output_name_counter[i] = out_type_counter[dev->output_type[i]]++;
737 dev->display_present[i] = true;
739 dev->has_audio_outputs = out_type_counter[SVID];
740 if (out_type_counter[HDMI] == 16) {
742 * The CEC physical address only allows for max 15 inputs,
743 * so outputs are also limited to 15 to allow for easy
744 * CEC output to input mapping.
746 out_type_counter[HDMI]--;
749 dev->num_hdmi_outputs = out_type_counter[HDMI];
751 /* do we create a video capture device? */
752 dev->has_vid_cap = node_type & 0x0001;
754 /* do we create a vbi capture device? */
755 if (in_type_counter[TV] || in_type_counter[SVID]) {
756 dev->has_raw_vbi_cap = node_type & 0x0004;
757 dev->has_sliced_vbi_cap = node_type & 0x0008;
758 dev->has_vbi_cap = dev->has_raw_vbi_cap | dev->has_sliced_vbi_cap;
761 /* do we create a video output device? */
762 dev->has_vid_out = node_type & 0x0100;
764 /* do we create a vbi output device? */
765 if (out_type_counter[SVID]) {
766 dev->has_raw_vbi_out = node_type & 0x0400;
767 dev->has_sliced_vbi_out = node_type & 0x0800;
768 dev->has_vbi_out = dev->has_raw_vbi_out | dev->has_sliced_vbi_out;
771 /* do we create a radio receiver device? */
772 dev->has_radio_rx = node_type & 0x0010;
774 /* do we create a radio transmitter device? */
775 dev->has_radio_tx = node_type & 0x1000;
777 /* do we create a software defined radio capture device? */
778 dev->has_sdr_cap = node_type & 0x0020;
780 /* do we have a tuner? */
781 has_tuner = ((dev->has_vid_cap || dev->has_vbi_cap) && in_type_counter[TV]) ||
782 dev->has_radio_rx || dev->has_sdr_cap;
784 /* do we have a modulator? */
785 has_modulator = dev->has_radio_tx;
787 if (dev->has_vid_cap)
788 /* do we have a framebuffer for overlay testing? */
789 dev->has_fb = node_type & 0x10000;
791 /* can we do crop/compose/scaling while capturing? */
792 if (no_error_inj && ccs_cap == -1)
795 /* if ccs_cap == -1, then the use can select it using controls */
797 dev->has_crop_cap = ccs_cap & 1;
798 dev->has_compose_cap = ccs_cap & 2;
799 dev->has_scaler_cap = ccs_cap & 4;
800 v4l2_info(&dev->v4l2_dev, "Capture Crop: %c Compose: %c Scaler: %c\n",
801 dev->has_crop_cap ? 'Y' : 'N',
802 dev->has_compose_cap ? 'Y' : 'N',
803 dev->has_scaler_cap ? 'Y' : 'N');
806 /* can we do crop/compose/scaling with video output? */
807 if (no_error_inj && ccs_out == -1)
810 /* if ccs_out == -1, then the use can select it using controls */
812 dev->has_crop_out = ccs_out & 1;
813 dev->has_compose_out = ccs_out & 2;
814 dev->has_scaler_out = ccs_out & 4;
815 v4l2_info(&dev->v4l2_dev, "Output Crop: %c Compose: %c Scaler: %c\n",
816 dev->has_crop_out ? 'Y' : 'N',
817 dev->has_compose_out ? 'Y' : 'N',
818 dev->has_scaler_out ? 'Y' : 'N');
821 /* end detecting feature set */
823 if (dev->has_vid_cap) {
824 /* set up the capabilities of the video capture device */
825 dev->vid_cap_caps = dev->multiplanar ?
826 V4L2_CAP_VIDEO_CAPTURE_MPLANE :
827 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY;
828 dev->vid_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
829 if (dev->has_audio_inputs)
830 dev->vid_cap_caps |= V4L2_CAP_AUDIO;
831 if (in_type_counter[TV])
832 dev->vid_cap_caps |= V4L2_CAP_TUNER;
834 if (dev->has_vid_out) {
835 /* set up the capabilities of the video output device */
836 dev->vid_out_caps = dev->multiplanar ?
837 V4L2_CAP_VIDEO_OUTPUT_MPLANE :
838 V4L2_CAP_VIDEO_OUTPUT;
840 dev->vid_out_caps |= V4L2_CAP_VIDEO_OUTPUT_OVERLAY;
841 dev->vid_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
842 if (dev->has_audio_outputs)
843 dev->vid_out_caps |= V4L2_CAP_AUDIO;
845 if (dev->has_vbi_cap) {
846 /* set up the capabilities of the vbi capture device */
847 dev->vbi_cap_caps = (dev->has_raw_vbi_cap ? V4L2_CAP_VBI_CAPTURE : 0) |
848 (dev->has_sliced_vbi_cap ? V4L2_CAP_SLICED_VBI_CAPTURE : 0);
849 dev->vbi_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
850 if (dev->has_audio_inputs)
851 dev->vbi_cap_caps |= V4L2_CAP_AUDIO;
852 if (in_type_counter[TV])
853 dev->vbi_cap_caps |= V4L2_CAP_TUNER;
855 if (dev->has_vbi_out) {
856 /* set up the capabilities of the vbi output device */
857 dev->vbi_out_caps = (dev->has_raw_vbi_out ? V4L2_CAP_VBI_OUTPUT : 0) |
858 (dev->has_sliced_vbi_out ? V4L2_CAP_SLICED_VBI_OUTPUT : 0);
859 dev->vbi_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
860 if (dev->has_audio_outputs)
861 dev->vbi_out_caps |= V4L2_CAP_AUDIO;
863 if (dev->has_sdr_cap) {
864 /* set up the capabilities of the sdr capture device */
865 dev->sdr_cap_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER;
866 dev->sdr_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
868 /* set up the capabilities of the radio receiver device */
869 if (dev->has_radio_rx)
870 dev->radio_rx_caps = V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE |
871 V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER |
873 /* set up the capabilities of the radio transmitter device */
874 if (dev->has_radio_tx)
875 dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR |
879 /* initialize the test pattern generator */
880 tpg_init(&dev->tpg, 640, 360);
881 if (tpg_alloc(&dev->tpg, MAX_ZOOM * MAX_WIDTH))
883 dev->scaled_line = vzalloc(array_size(MAX_WIDTH, MAX_ZOOM));
884 if (!dev->scaled_line)
886 dev->blended_line = vzalloc(array_size(MAX_WIDTH, MAX_ZOOM));
887 if (!dev->blended_line)
891 dev->edid = vmalloc(256 * 128);
895 while (v4l2_dv_timings_presets[dev->query_dv_timings_size].bt.width)
896 dev->query_dv_timings_size++;
899 * Create a char pointer array that points to the names of all the
902 dev->query_dv_timings_qmenu = kmalloc_array(dev->query_dv_timings_size,
903 sizeof(char *), GFP_KERNEL);
905 * Create a string array containing the names of all the preset
906 * timings. Each name is max 31 chars long (+ terminating 0).
908 dev->query_dv_timings_qmenu_strings =
909 kmalloc_array(dev->query_dv_timings_size, 32, GFP_KERNEL);
911 if (!dev->query_dv_timings_qmenu ||
912 !dev->query_dv_timings_qmenu_strings)
915 for (i = 0; i < dev->query_dv_timings_size; i++) {
916 const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt;
917 char *p = dev->query_dv_timings_qmenu_strings + i * 32;
920 dev->query_dv_timings_qmenu[i] = p;
922 htot = V4L2_DV_BT_FRAME_WIDTH(bt);
923 vtot = V4L2_DV_BT_FRAME_HEIGHT(bt);
924 snprintf(p, 32, "%ux%u%s%u",
925 bt->width, bt->height, bt->interlaced ? "i" : "p",
926 (u32)bt->pixelclock / (htot * vtot));
929 /* disable invalid ioctls based on the feature set */
930 if (!dev->has_audio_inputs) {
931 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_AUDIO);
932 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_AUDIO);
933 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUMAUDIO);
934 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_AUDIO);
935 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_AUDIO);
936 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_ENUMAUDIO);
938 if (!dev->has_audio_outputs) {
939 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_AUDOUT);
940 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_AUDOUT);
941 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUMAUDOUT);
942 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_S_AUDOUT);
943 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_G_AUDOUT);
944 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_ENUMAUDOUT);
946 if (!in_type_counter[TV] && !in_type_counter[SVID]) {
947 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_STD);
948 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_STD);
949 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUMSTD);
950 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_QUERYSTD);
952 if (!out_type_counter[SVID]) {
953 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_STD);
954 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_STD);
955 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUMSTD);
957 if (!has_tuner && !has_modulator) {
958 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_FREQUENCY);
959 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_FREQUENCY);
960 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_FREQUENCY);
961 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_FREQUENCY);
964 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_TUNER);
965 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_TUNER);
966 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_TUNER);
967 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_G_TUNER);
969 if (in_type_counter[HDMI] == 0) {
970 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_EDID);
971 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_EDID);
972 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_DV_TIMINGS_CAP);
973 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_G_DV_TIMINGS);
974 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_DV_TIMINGS);
975 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_ENUM_DV_TIMINGS);
976 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_QUERY_DV_TIMINGS);
978 if (out_type_counter[HDMI] == 0) {
979 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_EDID);
980 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_DV_TIMINGS_CAP);
981 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_DV_TIMINGS);
982 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_DV_TIMINGS);
983 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_DV_TIMINGS);
986 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FBUF);
987 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FBUF);
988 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_OVERLAY);
990 v4l2_disable_ioctl(&dev->vid_cap_dev, VIDIOC_S_HW_FREQ_SEEK);
991 v4l2_disable_ioctl(&dev->vbi_cap_dev, VIDIOC_S_HW_FREQ_SEEK);
992 v4l2_disable_ioctl(&dev->sdr_cap_dev, VIDIOC_S_HW_FREQ_SEEK);
993 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_S_FREQUENCY);
994 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_G_FREQUENCY);
995 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMESIZES);
996 v4l2_disable_ioctl(&dev->vid_out_dev, VIDIOC_ENUM_FRAMEINTERVALS);
997 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_S_FREQUENCY);
998 v4l2_disable_ioctl(&dev->vbi_out_dev, VIDIOC_G_FREQUENCY);
1000 /* configure internal data */
1001 dev->fmt_cap = &vivid_formats[0];
1002 dev->fmt_out = &vivid_formats[0];
1003 if (!dev->multiplanar)
1004 vivid_formats[0].data_offset[0] = 0;
1005 dev->webcam_size_idx = 1;
1006 dev->webcam_ival_idx = 3;
1007 tpg_s_fourcc(&dev->tpg, dev->fmt_cap->fourcc);
1008 dev->std_out = V4L2_STD_PAL;
1009 if (dev->input_type[0] == TV || dev->input_type[0] == SVID)
1010 tvnorms_cap = V4L2_STD_ALL;
1011 if (dev->output_type[0] == SVID)
1012 tvnorms_out = V4L2_STD_ALL;
1013 for (i = 0; i < MAX_INPUTS; i++) {
1014 dev->dv_timings_cap[i] = def_dv_timings;
1015 dev->std_cap[i] = V4L2_STD_PAL;
1017 dev->dv_timings_out = def_dv_timings;
1018 dev->tv_freq = 2804 /* 175.25 * 16 */;
1019 dev->tv_audmode = V4L2_TUNER_MODE_STEREO;
1020 dev->tv_field_cap = V4L2_FIELD_INTERLACED;
1021 dev->tv_field_out = V4L2_FIELD_INTERLACED;
1022 dev->radio_rx_freq = 95000 * 16;
1023 dev->radio_rx_audmode = V4L2_TUNER_MODE_STEREO;
1024 if (dev->has_radio_tx) {
1025 dev->radio_tx_freq = 95500 * 16;
1026 dev->radio_rds_loop = false;
1028 dev->radio_tx_subchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_RDS;
1029 dev->sdr_adc_freq = 300000;
1030 dev->sdr_fm_freq = 50000000;
1031 dev->sdr_pixelformat = V4L2_SDR_FMT_CU8;
1032 dev->sdr_buffersize = SDR_CAP_SAMPLES_PER_BUF * 2;
1034 dev->edid_max_blocks = dev->edid_blocks = 2;
1035 memcpy(dev->edid, vivid_hdmi_edid, sizeof(vivid_hdmi_edid));
1036 dev->radio_rds_init_time = ktime_get();
1038 /* create all controls */
1039 ret = vivid_create_controls(dev, ccs_cap == -1, ccs_out == -1, no_error_inj,
1040 in_type_counter[TV] || in_type_counter[SVID] ||
1041 out_type_counter[SVID],
1042 in_type_counter[HDMI] || out_type_counter[HDMI]);
1046 /* enable/disable interface specific controls */
1047 if (dev->num_outputs && dev->output_type[0] != HDMI)
1048 v4l2_ctrl_activate(dev->ctrl_display_present, false);
1049 if (dev->num_inputs && dev->input_type[0] != HDMI) {
1050 v4l2_ctrl_activate(dev->ctrl_dv_timings_signal_mode, false);
1051 v4l2_ctrl_activate(dev->ctrl_dv_timings, false);
1052 } else if (dev->num_inputs && dev->input_type[0] == HDMI) {
1053 v4l2_ctrl_activate(dev->ctrl_std_signal_mode, false);
1054 v4l2_ctrl_activate(dev->ctrl_standard, false);
1058 * update the capture and output formats to do a proper initial
1061 vivid_update_format_cap(dev, false);
1062 vivid_update_format_out(dev);
1064 /* initialize overlay */
1065 dev->fb_cap.fmt.width = dev->src_rect.width;
1066 dev->fb_cap.fmt.height = dev->src_rect.height;
1067 dev->fb_cap.fmt.pixelformat = dev->fmt_cap->fourcc;
1068 dev->fb_cap.fmt.bytesperline = dev->src_rect.width * tpg_g_twopixelsize(&dev->tpg, 0) / 2;
1069 dev->fb_cap.fmt.sizeimage = dev->src_rect.height * dev->fb_cap.fmt.bytesperline;
1071 /* initialize locks */
1072 spin_lock_init(&dev->slock);
1073 mutex_init(&dev->mutex);
1075 /* init dma queues */
1076 INIT_LIST_HEAD(&dev->vid_cap_active);
1077 INIT_LIST_HEAD(&dev->vid_out_active);
1078 INIT_LIST_HEAD(&dev->vbi_cap_active);
1079 INIT_LIST_HEAD(&dev->vbi_out_active);
1080 INIT_LIST_HEAD(&dev->sdr_cap_active);
1082 INIT_LIST_HEAD(&dev->cec_work_list);
1083 spin_lock_init(&dev->cec_slock);
1085 * Same as create_singlethread_workqueue, but now I can use the
1086 * string formatting of alloc_ordered_workqueue.
1088 dev->cec_workqueue =
1089 alloc_ordered_workqueue("vivid-%03d-cec", WQ_MEM_RECLAIM, inst);
1090 if (!dev->cec_workqueue) {
1096 dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
1097 else if (allocator >= ARRAY_SIZE(vivid_mem_ops))
1100 /* start creating the vb2 queues */
1101 if (dev->has_vid_cap) {
1102 snprintf(dev->vid_cap_dev.name, sizeof(dev->vid_cap_dev.name),
1103 "vivid-%03d-vid-cap", inst);
1104 /* initialize vid_cap queue */
1105 q = &dev->vb_vid_cap_q;
1106 q->type = dev->multiplanar ? V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE :
1107 V4L2_BUF_TYPE_VIDEO_CAPTURE;
1108 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
1110 q->io_modes |= VB2_USERPTR;
1112 q->buf_struct_size = sizeof(struct vivid_buffer);
1113 q->ops = &vivid_vid_cap_qops;
1114 q->mem_ops = vivid_mem_ops[allocator];
1115 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1116 q->min_buffers_needed = 2;
1117 q->lock = &dev->mutex;
1118 q->dev = dev->v4l2_dev.dev;
1119 q->supports_requests = true;
1121 ret = vb2_queue_init(q);
1126 if (dev->has_vid_out) {
1127 snprintf(dev->vid_out_dev.name, sizeof(dev->vid_out_dev.name),
1128 "vivid-%03d-vid-out", inst);
1129 /* initialize vid_out queue */
1130 q = &dev->vb_vid_out_q;
1131 q->type = dev->multiplanar ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE :
1132 V4L2_BUF_TYPE_VIDEO_OUTPUT;
1133 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_WRITE;
1135 q->io_modes |= VB2_USERPTR;
1137 q->buf_struct_size = sizeof(struct vivid_buffer);
1138 q->ops = &vivid_vid_out_qops;
1139 q->mem_ops = vivid_mem_ops[allocator];
1140 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1141 q->min_buffers_needed = 2;
1142 q->lock = &dev->mutex;
1143 q->dev = dev->v4l2_dev.dev;
1144 q->supports_requests = true;
1146 ret = vb2_queue_init(q);
1151 if (dev->has_vbi_cap) {
1152 /* initialize vbi_cap queue */
1153 q = &dev->vb_vbi_cap_q;
1154 q->type = dev->has_raw_vbi_cap ? V4L2_BUF_TYPE_VBI_CAPTURE :
1155 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
1156 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
1158 q->io_modes |= VB2_USERPTR;
1160 q->buf_struct_size = sizeof(struct vivid_buffer);
1161 q->ops = &vivid_vbi_cap_qops;
1162 q->mem_ops = vivid_mem_ops[allocator];
1163 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1164 q->min_buffers_needed = 2;
1165 q->lock = &dev->mutex;
1166 q->dev = dev->v4l2_dev.dev;
1167 q->supports_requests = true;
1169 ret = vb2_queue_init(q);
1174 if (dev->has_vbi_out) {
1175 /* initialize vbi_out queue */
1176 q = &dev->vb_vbi_out_q;
1177 q->type = dev->has_raw_vbi_out ? V4L2_BUF_TYPE_VBI_OUTPUT :
1178 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT;
1179 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_WRITE;
1181 q->io_modes |= VB2_USERPTR;
1183 q->buf_struct_size = sizeof(struct vivid_buffer);
1184 q->ops = &vivid_vbi_out_qops;
1185 q->mem_ops = vivid_mem_ops[allocator];
1186 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1187 q->min_buffers_needed = 2;
1188 q->lock = &dev->mutex;
1189 q->dev = dev->v4l2_dev.dev;
1190 q->supports_requests = true;
1192 ret = vb2_queue_init(q);
1197 if (dev->has_sdr_cap) {
1198 /* initialize sdr_cap queue */
1199 q = &dev->vb_sdr_cap_q;
1200 q->type = V4L2_BUF_TYPE_SDR_CAPTURE;
1201 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
1203 q->io_modes |= VB2_USERPTR;
1205 q->buf_struct_size = sizeof(struct vivid_buffer);
1206 q->ops = &vivid_sdr_cap_qops;
1207 q->mem_ops = vivid_mem_ops[allocator];
1208 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1209 q->min_buffers_needed = 8;
1210 q->lock = &dev->mutex;
1211 q->dev = dev->v4l2_dev.dev;
1212 q->supports_requests = true;
1214 ret = vb2_queue_init(q);
1220 /* Create framebuffer for testing capture/output overlay */
1221 ret = vivid_fb_init(dev);
1224 v4l2_info(&dev->v4l2_dev, "Framebuffer device registered as fb%d\n",
1228 #ifdef CONFIG_VIDEO_VIVID_CEC
1229 if (dev->has_vid_cap && in_type_counter[HDMI]) {
1230 struct cec_adapter *adap;
1232 adap = vivid_cec_alloc_adap(dev, 0, false);
1233 ret = PTR_ERR_OR_ZERO(adap);
1236 dev->cec_rx_adap = adap;
1239 if (dev->has_vid_out) {
1240 for (i = 0; i < dev->num_outputs; i++) {
1241 struct cec_adapter *adap;
1243 if (dev->output_type[i] != HDMI)
1246 dev->cec_output2bus_map[i] = cec_tx_bus_cnt;
1247 adap = vivid_cec_alloc_adap(dev, cec_tx_bus_cnt, true);
1248 ret = PTR_ERR_OR_ZERO(adap);
1250 for (i = 0; i < dev->num_outputs; i++)
1251 cec_delete_adapter(dev->cec_tx_adap[i]);
1255 dev->cec_tx_adap[cec_tx_bus_cnt] = adap;
1261 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_cap);
1262 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_out);
1263 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_cap);
1264 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_out);
1265 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_rx);
1266 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_tx);
1267 v4l2_ctrl_handler_setup(&dev->ctrl_hdl_sdr_cap);
1269 /* finally start creating the device nodes */
1270 if (dev->has_vid_cap) {
1271 vfd = &dev->vid_cap_dev;
1272 vfd->fops = &vivid_fops;
1273 vfd->ioctl_ops = &vivid_ioctl_ops;
1274 vfd->device_caps = dev->vid_cap_caps;
1275 vfd->release = video_device_release_empty;
1276 vfd->v4l2_dev = &dev->v4l2_dev;
1277 vfd->queue = &dev->vb_vid_cap_q;
1278 vfd->tvnorms = tvnorms_cap;
1281 * Provide a mutex to v4l2 core. It will be used to protect
1282 * all fops and v4l2 ioctls.
1284 vfd->lock = &dev->mutex;
1285 video_set_drvdata(vfd, dev);
1287 #ifdef CONFIG_MEDIA_CONTROLLER
1288 dev->vid_cap_pad.flags = MEDIA_PAD_FL_SINK;
1289 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vid_cap_pad);
1294 #ifdef CONFIG_VIDEO_VIVID_CEC
1295 if (in_type_counter[HDMI]) {
1296 ret = cec_register_adapter(dev->cec_rx_adap, &pdev->dev);
1298 cec_delete_adapter(dev->cec_rx_adap);
1299 dev->cec_rx_adap = NULL;
1302 cec_s_phys_addr(dev->cec_rx_adap, 0, false);
1303 v4l2_info(&dev->v4l2_dev, "CEC adapter %s registered for HDMI input 0\n",
1304 dev_name(&dev->cec_rx_adap->devnode.dev));
1308 ret = video_register_device(vfd, VFL_TYPE_GRABBER, vid_cap_nr[inst]);
1311 v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n",
1312 video_device_node_name(vfd));
1315 if (dev->has_vid_out) {
1316 vfd = &dev->vid_out_dev;
1317 vfd->vfl_dir = VFL_DIR_TX;
1318 vfd->fops = &vivid_fops;
1319 vfd->ioctl_ops = &vivid_ioctl_ops;
1320 vfd->device_caps = dev->vid_out_caps;
1321 vfd->release = video_device_release_empty;
1322 vfd->v4l2_dev = &dev->v4l2_dev;
1323 vfd->queue = &dev->vb_vid_out_q;
1324 vfd->tvnorms = tvnorms_out;
1327 * Provide a mutex to v4l2 core. It will be used to protect
1328 * all fops and v4l2 ioctls.
1330 vfd->lock = &dev->mutex;
1331 video_set_drvdata(vfd, dev);
1333 #ifdef CONFIG_MEDIA_CONTROLLER
1334 dev->vid_out_pad.flags = MEDIA_PAD_FL_SOURCE;
1335 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vid_out_pad);
1340 #ifdef CONFIG_VIDEO_VIVID_CEC
1341 for (i = 0; i < cec_tx_bus_cnt; i++) {
1342 ret = cec_register_adapter(dev->cec_tx_adap[i], &pdev->dev);
1344 for (; i < cec_tx_bus_cnt; i++) {
1345 cec_delete_adapter(dev->cec_tx_adap[i]);
1346 dev->cec_tx_adap[i] = NULL;
1350 v4l2_info(&dev->v4l2_dev, "CEC adapter %s registered for HDMI output %d\n",
1351 dev_name(&dev->cec_tx_adap[i]->devnode.dev), i);
1352 if (i <= out_type_counter[HDMI])
1353 cec_s_phys_addr(dev->cec_tx_adap[i], i << 12, false);
1355 cec_s_phys_addr(dev->cec_tx_adap[i], 0x1000, false);
1359 ret = video_register_device(vfd, VFL_TYPE_GRABBER, vid_out_nr[inst]);
1362 v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s\n",
1363 video_device_node_name(vfd));
1366 if (dev->has_vbi_cap) {
1367 vfd = &dev->vbi_cap_dev;
1368 snprintf(vfd->name, sizeof(vfd->name),
1369 "vivid-%03d-vbi-cap", inst);
1370 vfd->fops = &vivid_fops;
1371 vfd->ioctl_ops = &vivid_ioctl_ops;
1372 vfd->device_caps = dev->vbi_cap_caps;
1373 vfd->release = video_device_release_empty;
1374 vfd->v4l2_dev = &dev->v4l2_dev;
1375 vfd->queue = &dev->vb_vbi_cap_q;
1376 vfd->lock = &dev->mutex;
1377 vfd->tvnorms = tvnorms_cap;
1378 video_set_drvdata(vfd, dev);
1380 #ifdef CONFIG_MEDIA_CONTROLLER
1381 dev->vbi_cap_pad.flags = MEDIA_PAD_FL_SINK;
1382 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vbi_cap_pad);
1387 ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_cap_nr[inst]);
1390 v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s, supports %s VBI\n",
1391 video_device_node_name(vfd),
1392 (dev->has_raw_vbi_cap && dev->has_sliced_vbi_cap) ?
1394 (dev->has_raw_vbi_cap ? "raw" : "sliced"));
1397 if (dev->has_vbi_out) {
1398 vfd = &dev->vbi_out_dev;
1399 snprintf(vfd->name, sizeof(vfd->name),
1400 "vivid-%03d-vbi-out", inst);
1401 vfd->vfl_dir = VFL_DIR_TX;
1402 vfd->fops = &vivid_fops;
1403 vfd->ioctl_ops = &vivid_ioctl_ops;
1404 vfd->device_caps = dev->vbi_out_caps;
1405 vfd->release = video_device_release_empty;
1406 vfd->v4l2_dev = &dev->v4l2_dev;
1407 vfd->queue = &dev->vb_vbi_out_q;
1408 vfd->lock = &dev->mutex;
1409 vfd->tvnorms = tvnorms_out;
1410 video_set_drvdata(vfd, dev);
1412 #ifdef CONFIG_MEDIA_CONTROLLER
1413 dev->vbi_out_pad.flags = MEDIA_PAD_FL_SOURCE;
1414 ret = media_entity_pads_init(&vfd->entity, 1, &dev->vbi_out_pad);
1419 ret = video_register_device(vfd, VFL_TYPE_VBI, vbi_out_nr[inst]);
1422 v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s, supports %s VBI\n",
1423 video_device_node_name(vfd),
1424 (dev->has_raw_vbi_out && dev->has_sliced_vbi_out) ?
1426 (dev->has_raw_vbi_out ? "raw" : "sliced"));
1429 if (dev->has_sdr_cap) {
1430 vfd = &dev->sdr_cap_dev;
1431 snprintf(vfd->name, sizeof(vfd->name),
1432 "vivid-%03d-sdr-cap", inst);
1433 vfd->fops = &vivid_fops;
1434 vfd->ioctl_ops = &vivid_ioctl_ops;
1435 vfd->device_caps = dev->sdr_cap_caps;
1436 vfd->release = video_device_release_empty;
1437 vfd->v4l2_dev = &dev->v4l2_dev;
1438 vfd->queue = &dev->vb_sdr_cap_q;
1439 vfd->lock = &dev->mutex;
1440 video_set_drvdata(vfd, dev);
1442 #ifdef CONFIG_MEDIA_CONTROLLER
1443 dev->sdr_cap_pad.flags = MEDIA_PAD_FL_SINK;
1444 ret = media_entity_pads_init(&vfd->entity, 1, &dev->sdr_cap_pad);
1449 ret = video_register_device(vfd, VFL_TYPE_SDR, sdr_cap_nr[inst]);
1452 v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n",
1453 video_device_node_name(vfd));
1456 if (dev->has_radio_rx) {
1457 vfd = &dev->radio_rx_dev;
1458 snprintf(vfd->name, sizeof(vfd->name),
1459 "vivid-%03d-rad-rx", inst);
1460 vfd->fops = &vivid_radio_fops;
1461 vfd->ioctl_ops = &vivid_ioctl_ops;
1462 vfd->device_caps = dev->radio_rx_caps;
1463 vfd->release = video_device_release_empty;
1464 vfd->v4l2_dev = &dev->v4l2_dev;
1465 vfd->lock = &dev->mutex;
1466 video_set_drvdata(vfd, dev);
1468 ret = video_register_device(vfd, VFL_TYPE_RADIO, radio_rx_nr[inst]);
1471 v4l2_info(&dev->v4l2_dev, "V4L2 receiver device registered as %s\n",
1472 video_device_node_name(vfd));
1475 if (dev->has_radio_tx) {
1476 vfd = &dev->radio_tx_dev;
1477 snprintf(vfd->name, sizeof(vfd->name),
1478 "vivid-%03d-rad-tx", inst);
1479 vfd->vfl_dir = VFL_DIR_TX;
1480 vfd->fops = &vivid_radio_fops;
1481 vfd->ioctl_ops = &vivid_ioctl_ops;
1482 vfd->device_caps = dev->radio_tx_caps;
1483 vfd->release = video_device_release_empty;
1484 vfd->v4l2_dev = &dev->v4l2_dev;
1485 vfd->lock = &dev->mutex;
1486 video_set_drvdata(vfd, dev);
1488 ret = video_register_device(vfd, VFL_TYPE_RADIO, radio_tx_nr[inst]);
1491 v4l2_info(&dev->v4l2_dev, "V4L2 transmitter device registered as %s\n",
1492 video_device_node_name(vfd));
1495 #ifdef CONFIG_MEDIA_CONTROLLER
1496 /* Register the media device */
1497 ret = media_device_register(&dev->mdev);
1499 dev_err(dev->mdev.dev,
1500 "media device register failed (err=%d)\n", ret);
1505 /* Now that everything is fine, let's add it to device list */
1506 vivid_devs[inst] = dev;
1511 video_unregister_device(&dev->radio_tx_dev);
1512 video_unregister_device(&dev->radio_rx_dev);
1513 video_unregister_device(&dev->sdr_cap_dev);
1514 video_unregister_device(&dev->vbi_out_dev);
1515 video_unregister_device(&dev->vbi_cap_dev);
1516 video_unregister_device(&dev->vid_out_dev);
1517 video_unregister_device(&dev->vid_cap_dev);
1518 cec_unregister_adapter(dev->cec_rx_adap);
1519 for (i = 0; i < MAX_OUTPUTS; i++)
1520 cec_unregister_adapter(dev->cec_tx_adap[i]);
1521 if (dev->cec_workqueue) {
1522 vivid_cec_bus_free_work(dev);
1523 destroy_workqueue(dev->cec_workqueue);
1526 v4l2_device_put(&dev->v4l2_dev);
1530 /* This routine allocates from 1 to n_devs virtual drivers.
1532 The real maximum number of virtual drivers will depend on how many drivers
1533 will succeed. This is limited to the maximum number of devices that
1534 videodev supports, which is equal to VIDEO_NUM_DEVICES.
1536 static int vivid_probe(struct platform_device *pdev)
1538 const struct font_desc *font = find_font("VGA8x16");
1542 pr_err("vivid: could not find font\n");
1546 tpg_set_font(font->data);
1548 n_devs = clamp_t(unsigned, n_devs, 1, VIVID_MAX_DEVS);
1550 for (i = 0; i < n_devs; i++) {
1551 ret = vivid_create_instance(pdev, i);
1553 /* If some instantiations succeeded, keep driver */
1561 pr_err("vivid: error %d while loading driver\n", ret);
1565 /* n_devs will reflect the actual number of allocated devices */
1571 static int vivid_remove(struct platform_device *pdev)
1573 struct vivid_dev *dev;
1576 for (i = 0; i < n_devs; i++) {
1577 dev = vivid_devs[i];
1581 #ifdef CONFIG_MEDIA_CONTROLLER
1582 media_device_unregister(&dev->mdev);
1583 media_device_cleanup(&dev->mdev);
1586 if (dev->has_vid_cap) {
1587 v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
1588 video_device_node_name(&dev->vid_cap_dev));
1589 video_unregister_device(&dev->vid_cap_dev);
1591 if (dev->has_vid_out) {
1592 v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
1593 video_device_node_name(&dev->vid_out_dev));
1594 video_unregister_device(&dev->vid_out_dev);
1596 if (dev->has_vbi_cap) {
1597 v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
1598 video_device_node_name(&dev->vbi_cap_dev));
1599 video_unregister_device(&dev->vbi_cap_dev);
1601 if (dev->has_vbi_out) {
1602 v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
1603 video_device_node_name(&dev->vbi_out_dev));
1604 video_unregister_device(&dev->vbi_out_dev);
1606 if (dev->has_sdr_cap) {
1607 v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
1608 video_device_node_name(&dev->sdr_cap_dev));
1609 video_unregister_device(&dev->sdr_cap_dev);
1611 if (dev->has_radio_rx) {
1612 v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
1613 video_device_node_name(&dev->radio_rx_dev));
1614 video_unregister_device(&dev->radio_rx_dev);
1616 if (dev->has_radio_tx) {
1617 v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
1618 video_device_node_name(&dev->radio_tx_dev));
1619 video_unregister_device(&dev->radio_tx_dev);
1622 v4l2_info(&dev->v4l2_dev, "unregistering fb%d\n",
1624 unregister_framebuffer(&dev->fb_info);
1625 vivid_fb_release_buffers(dev);
1627 cec_unregister_adapter(dev->cec_rx_adap);
1628 for (j = 0; j < MAX_OUTPUTS; j++)
1629 cec_unregister_adapter(dev->cec_tx_adap[j]);
1630 if (dev->cec_workqueue) {
1631 vivid_cec_bus_free_work(dev);
1632 destroy_workqueue(dev->cec_workqueue);
1634 v4l2_device_put(&dev->v4l2_dev);
1635 vivid_devs[i] = NULL;
1640 static void vivid_pdev_release(struct device *dev)
1644 static struct platform_device vivid_pdev = {
1646 .dev.release = vivid_pdev_release,
1649 static struct platform_driver vivid_pdrv = {
1650 .probe = vivid_probe,
1651 .remove = vivid_remove,
1657 static int __init vivid_init(void)
1661 ret = platform_device_register(&vivid_pdev);
1665 ret = platform_driver_register(&vivid_pdrv);
1667 platform_device_unregister(&vivid_pdev);
1672 static void __exit vivid_exit(void)
1674 platform_driver_unregister(&vivid_pdrv);
1675 platform_device_unregister(&vivid_pdev);
1678 module_init(vivid_init);
1679 module_exit(vivid_exit);