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 output 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 unsigned int supports_requests[VIVID_MAX_DEVS] = { |
181 | [0 ... (VIVID_MAX_DEVS - 1)] = 1 |
182 | }; |
183 | module_param_array(supports_requests, uint, NULL, 0444); |
184 | MODULE_PARM_DESC(supports_requests, " support for requests, default is 1.\n" |
185 | "\t\t 0 == no support\n" |
186 | "\t\t 1 == supports requests\n" |
187 | "\t\t 2 == requires requests" ); |
188 | |
189 | static struct vivid_dev *vivid_devs[VIVID_MAX_DEVS]; |
190 | |
191 | const struct v4l2_rect vivid_min_rect = { |
192 | 0, 0, MIN_WIDTH, MIN_HEIGHT |
193 | }; |
194 | |
195 | const struct v4l2_rect vivid_max_rect = { |
196 | 0, 0, MAX_WIDTH * MAX_ZOOM, MAX_HEIGHT * MAX_ZOOM |
197 | }; |
198 | |
199 | static const u8 vivid_hdmi_edid[256] = { |
200 | 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, |
201 | 0x31, 0xd8, 0x34, 0x12, 0x00, 0x00, 0x00, 0x00, |
202 | 0x22, 0x1a, 0x01, 0x03, 0x80, 0x60, 0x36, 0x78, |
203 | 0x0f, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26, |
204 | 0x0f, 0x50, 0x54, 0x2f, 0xcf, 0x00, 0x31, 0x59, |
205 | 0x45, 0x59, 0x81, 0x80, 0x81, 0x40, 0x90, 0x40, |
206 | 0x95, 0x00, 0xa9, 0x40, 0xb3, 0x00, 0x08, 0xe8, |
207 | 0x00, 0x30, 0xf2, 0x70, 0x5a, 0x80, 0xb0, 0x58, |
208 | 0x8a, 0x00, 0xc0, 0x1c, 0x32, 0x00, 0x00, 0x1e, |
209 | 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x55, 0x18, |
210 | 0x87, 0x3c, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, |
211 | 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x76, |
212 | 0x69, 0x76, 0x69, 0x64, 0x0a, 0x20, 0x20, 0x20, |
213 | 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x10, |
214 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
215 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x7b, |
216 | |
217 | 0x02, 0x03, 0x3f, 0xf1, 0x51, 0x61, 0x60, 0x5f, |
218 | 0x5e, 0x5d, 0x10, 0x1f, 0x04, 0x13, 0x22, 0x21, |
219 | 0x20, 0x05, 0x14, 0x02, 0x11, 0x01, 0x23, 0x09, |
220 | 0x07, 0x07, 0x83, 0x01, 0x00, 0x00, 0x6d, 0x03, |
221 | 0x0c, 0x00, 0x10, 0x00, 0x00, 0x3c, 0x21, 0x00, |
222 | 0x60, 0x01, 0x02, 0x03, 0x67, 0xd8, 0x5d, 0xc4, |
223 | 0x01, 0x78, 0x00, 0x00, 0xe2, 0x00, 0xca, 0xe3, |
224 | 0x05, 0x00, 0x00, 0xe3, 0x06, 0x01, 0x00, 0x4d, |
225 | 0xd0, 0x00, 0xa0, 0xf0, 0x70, 0x3e, 0x80, 0x30, |
226 | 0x20, 0x35, 0x00, 0xc0, 0x1c, 0x32, 0x00, 0x00, |
227 | 0x1e, 0x1a, 0x36, 0x80, 0xa0, 0x70, 0x38, 0x1f, |
228 | 0x40, 0x30, 0x20, 0x35, 0x00, 0xc0, 0x1c, 0x32, |
229 | 0x00, 0x00, 0x1a, 0x1a, 0x1d, 0x00, 0x80, 0x51, |
230 | 0xd0, 0x1c, 0x20, 0x40, 0x80, 0x35, 0x00, 0xc0, |
231 | 0x1c, 0x32, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, |
232 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x82, |
233 | }; |
234 | |
235 | static int vidioc_querycap(struct file *file, void *priv, |
236 | struct v4l2_capability *cap) |
237 | { |
238 | struct vivid_dev *dev = video_drvdata(file); |
239 | |
240 | strscpy(cap->driver, "vivid" , sizeof(cap->driver)); |
241 | strscpy(cap->card, "vivid" , sizeof(cap->card)); |
242 | snprintf(buf: cap->bus_info, size: sizeof(cap->bus_info), |
243 | fmt: "platform:%s-%03d" , VIVID_MODULE_NAME, dev->inst); |
244 | |
245 | cap->capabilities = dev->vid_cap_caps | dev->vid_out_caps | |
246 | dev->vbi_cap_caps | dev->vbi_out_caps | |
247 | dev->radio_rx_caps | dev->radio_tx_caps | |
248 | dev->sdr_cap_caps | dev->meta_cap_caps | |
249 | dev->meta_out_caps | dev->touch_cap_caps | |
250 | V4L2_CAP_DEVICE_CAPS; |
251 | return 0; |
252 | } |
253 | |
254 | static int vidioc_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a) |
255 | { |
256 | struct video_device *vdev = video_devdata(file); |
257 | |
258 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
259 | return vivid_radio_rx_s_hw_freq_seek(file, fh, a); |
260 | return -ENOTTY; |
261 | } |
262 | |
263 | static int vidioc_enum_freq_bands(struct file *file, void *fh, struct v4l2_frequency_band *band) |
264 | { |
265 | struct video_device *vdev = video_devdata(file); |
266 | |
267 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
268 | return vivid_radio_rx_enum_freq_bands(file, fh, band); |
269 | if (vdev->vfl_type == VFL_TYPE_SDR) |
270 | return vivid_sdr_enum_freq_bands(file, fh, band); |
271 | return -ENOTTY; |
272 | } |
273 | |
274 | static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) |
275 | { |
276 | struct video_device *vdev = video_devdata(file); |
277 | |
278 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
279 | return vivid_radio_rx_g_tuner(file, fh, vt); |
280 | if (vdev->vfl_type == VFL_TYPE_SDR) |
281 | return vivid_sdr_g_tuner(file, fh, vt); |
282 | return vivid_video_g_tuner(file, fh, vt); |
283 | } |
284 | |
285 | static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt) |
286 | { |
287 | struct video_device *vdev = video_devdata(file); |
288 | |
289 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
290 | return vivid_radio_rx_s_tuner(file, fh, vt); |
291 | if (vdev->vfl_type == VFL_TYPE_SDR) |
292 | return vivid_sdr_s_tuner(file, fh, vt); |
293 | return vivid_video_s_tuner(file, fh, vt); |
294 | } |
295 | |
296 | static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf) |
297 | { |
298 | struct vivid_dev *dev = video_drvdata(file); |
299 | struct video_device *vdev = video_devdata(file); |
300 | |
301 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
302 | return vivid_radio_g_frequency(file, |
303 | freq: vdev->vfl_dir == VFL_DIR_RX ? |
304 | &dev->radio_rx_freq : &dev->radio_tx_freq, vf); |
305 | if (vdev->vfl_type == VFL_TYPE_SDR) |
306 | return vivid_sdr_g_frequency(file, fh, vf); |
307 | return vivid_video_g_frequency(file, fh, vf); |
308 | } |
309 | |
310 | static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf) |
311 | { |
312 | struct vivid_dev *dev = video_drvdata(file); |
313 | struct video_device *vdev = video_devdata(file); |
314 | |
315 | if (vdev->vfl_type == VFL_TYPE_RADIO) |
316 | return vivid_radio_s_frequency(file, |
317 | freq: vdev->vfl_dir == VFL_DIR_RX ? |
318 | &dev->radio_rx_freq : &dev->radio_tx_freq, vf); |
319 | if (vdev->vfl_type == VFL_TYPE_SDR) |
320 | return vivid_sdr_s_frequency(file, fh, vf); |
321 | return vivid_video_s_frequency(file, fh, vf); |
322 | } |
323 | |
324 | static int vidioc_overlay(struct file *file, void *fh, unsigned i) |
325 | { |
326 | struct video_device *vdev = video_devdata(file); |
327 | |
328 | if (vdev->vfl_dir == VFL_DIR_RX) |
329 | return -ENOTTY; |
330 | return vivid_vid_out_overlay(file, fh, i); |
331 | } |
332 | |
333 | static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a) |
334 | { |
335 | struct video_device *vdev = video_devdata(file); |
336 | |
337 | if (vdev->vfl_dir == VFL_DIR_RX) |
338 | return -ENOTTY; |
339 | return vivid_vid_out_g_fbuf(file, fh, a); |
340 | } |
341 | |
342 | static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a) |
343 | { |
344 | struct video_device *vdev = video_devdata(file); |
345 | |
346 | if (vdev->vfl_dir == VFL_DIR_RX) |
347 | return -ENOTTY; |
348 | return vivid_vid_out_s_fbuf(file, fh, a); |
349 | } |
350 | |
351 | static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id id) |
352 | { |
353 | struct video_device *vdev = video_devdata(file); |
354 | |
355 | if (vdev->vfl_dir == VFL_DIR_RX) |
356 | return vivid_vid_cap_s_std(file, priv: fh, id); |
357 | return vivid_vid_out_s_std(file, priv: fh, id); |
358 | } |
359 | |
360 | static int vidioc_s_dv_timings(struct file *file, void *fh, struct v4l2_dv_timings *timings) |
361 | { |
362 | struct video_device *vdev = video_devdata(file); |
363 | |
364 | if (vdev->vfl_dir == VFL_DIR_RX) |
365 | return vivid_vid_cap_s_dv_timings(file, fh: fh, timings); |
366 | return vivid_vid_out_s_dv_timings(file, fh: fh, timings); |
367 | } |
368 | |
369 | static int vidioc_g_pixelaspect(struct file *file, void *fh, |
370 | int type, struct v4l2_fract *f) |
371 | { |
372 | struct video_device *vdev = video_devdata(file); |
373 | |
374 | if (vdev->vfl_dir == VFL_DIR_RX) |
375 | return vivid_vid_cap_g_pixelaspect(file, priv: fh, type, f); |
376 | return vivid_vid_out_g_pixelaspect(file, priv: fh, type, f); |
377 | } |
378 | |
379 | static int vidioc_g_selection(struct file *file, void *fh, |
380 | struct v4l2_selection *sel) |
381 | { |
382 | struct video_device *vdev = video_devdata(file); |
383 | |
384 | if (vdev->vfl_dir == VFL_DIR_RX) |
385 | return vivid_vid_cap_g_selection(file, priv: fh, sel); |
386 | return vivid_vid_out_g_selection(file, priv: fh, sel); |
387 | } |
388 | |
389 | static int vidioc_s_selection(struct file *file, void *fh, |
390 | struct v4l2_selection *sel) |
391 | { |
392 | struct video_device *vdev = video_devdata(file); |
393 | |
394 | if (vdev->vfl_dir == VFL_DIR_RX) |
395 | return vivid_vid_cap_s_selection(file, fh, s: sel); |
396 | return vivid_vid_out_s_selection(file, fh, s: sel); |
397 | } |
398 | |
399 | static int vidioc_g_parm(struct file *file, void *fh, |
400 | struct v4l2_streamparm *parm) |
401 | { |
402 | struct video_device *vdev = video_devdata(file); |
403 | |
404 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
405 | return vivid_g_parm_tch(file, priv: fh, parm); |
406 | if (vdev->vfl_dir == VFL_DIR_RX) |
407 | return vivid_vid_cap_g_parm(file, priv: fh, parm); |
408 | return vivid_vid_out_g_parm(file, priv: fh, parm); |
409 | } |
410 | |
411 | static int vidioc_s_parm(struct file *file, void *fh, |
412 | struct v4l2_streamparm *parm) |
413 | { |
414 | struct video_device *vdev = video_devdata(file); |
415 | |
416 | if (vdev->vfl_dir == VFL_DIR_RX) |
417 | return vivid_vid_cap_s_parm(file, priv: fh, parm); |
418 | return -ENOTTY; |
419 | } |
420 | |
421 | static int vidioc_log_status(struct file *file, void *fh) |
422 | { |
423 | struct vivid_dev *dev = video_drvdata(file); |
424 | struct video_device *vdev = video_devdata(file); |
425 | |
426 | v4l2_ctrl_log_status(file, fh); |
427 | if (vdev->vfl_dir == VFL_DIR_RX && vdev->vfl_type == VFL_TYPE_VIDEO) |
428 | tpg_log_status(tpg: &dev->tpg); |
429 | return 0; |
430 | } |
431 | |
432 | static ssize_t vivid_radio_read(struct file *file, char __user *buf, |
433 | size_t size, loff_t *offset) |
434 | { |
435 | struct video_device *vdev = video_devdata(file); |
436 | |
437 | if (vdev->vfl_dir == VFL_DIR_TX) |
438 | return -EINVAL; |
439 | return vivid_radio_rx_read(file, buf, size, offset); |
440 | } |
441 | |
442 | static ssize_t vivid_radio_write(struct file *file, const char __user *buf, |
443 | size_t size, loff_t *offset) |
444 | { |
445 | struct video_device *vdev = video_devdata(file); |
446 | |
447 | if (vdev->vfl_dir == VFL_DIR_RX) |
448 | return -EINVAL; |
449 | return vivid_radio_tx_write(file, buf, size, offset); |
450 | } |
451 | |
452 | static __poll_t vivid_radio_poll(struct file *file, struct poll_table_struct *wait) |
453 | { |
454 | struct video_device *vdev = video_devdata(file); |
455 | |
456 | if (vdev->vfl_dir == VFL_DIR_RX) |
457 | return vivid_radio_rx_poll(file, wait); |
458 | return vivid_radio_tx_poll(file, wait); |
459 | } |
460 | |
461 | static int vivid_enum_input(struct file *file, void *priv, |
462 | struct v4l2_input *inp) |
463 | { |
464 | struct video_device *vdev = video_devdata(file); |
465 | |
466 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
467 | return vivid_enum_input_tch(file, priv, inp); |
468 | return vidioc_enum_input(file, priv, inp); |
469 | } |
470 | |
471 | static int vivid_g_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_g_input_tch(file, priv, i); |
477 | return vidioc_g_input(file, priv, i); |
478 | } |
479 | |
480 | static int vivid_s_input(struct file *file, void *priv, unsigned int i) |
481 | { |
482 | struct video_device *vdev = video_devdata(file); |
483 | |
484 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
485 | return vivid_s_input_tch(file, priv, i); |
486 | return vidioc_s_input(file, priv, i); |
487 | } |
488 | |
489 | static int vivid_enum_fmt_cap(struct file *file, void *priv, |
490 | struct v4l2_fmtdesc *f) |
491 | { |
492 | struct video_device *vdev = video_devdata(file); |
493 | |
494 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
495 | return vivid_enum_fmt_tch(file, priv, f); |
496 | return vivid_enum_fmt_vid(file, priv, f); |
497 | } |
498 | |
499 | static int vivid_g_fmt_cap(struct file *file, void *priv, |
500 | struct v4l2_format *f) |
501 | { |
502 | struct video_device *vdev = video_devdata(file); |
503 | |
504 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
505 | return vivid_g_fmt_tch(file, priv, f); |
506 | return vidioc_g_fmt_vid_cap(file, priv, f); |
507 | } |
508 | |
509 | static int vivid_try_fmt_cap(struct file *file, void *priv, |
510 | struct v4l2_format *f) |
511 | { |
512 | struct video_device *vdev = video_devdata(file); |
513 | |
514 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
515 | return vivid_g_fmt_tch(file, priv, f); |
516 | return vidioc_try_fmt_vid_cap(file, priv, f); |
517 | } |
518 | |
519 | static int vivid_s_fmt_cap(struct file *file, void *priv, |
520 | struct v4l2_format *f) |
521 | { |
522 | struct video_device *vdev = video_devdata(file); |
523 | |
524 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
525 | return vivid_g_fmt_tch(file, priv, f); |
526 | return vidioc_s_fmt_vid_cap(file, priv, f); |
527 | } |
528 | |
529 | static int vivid_g_fmt_cap_mplane(struct file *file, void *priv, |
530 | struct v4l2_format *f) |
531 | { |
532 | struct video_device *vdev = video_devdata(file); |
533 | |
534 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
535 | return vivid_g_fmt_tch_mplane(file, priv, f); |
536 | return vidioc_g_fmt_vid_cap_mplane(file, priv, f); |
537 | } |
538 | |
539 | static int vivid_try_fmt_cap_mplane(struct file *file, void *priv, |
540 | struct v4l2_format *f) |
541 | { |
542 | struct video_device *vdev = video_devdata(file); |
543 | |
544 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
545 | return vivid_g_fmt_tch_mplane(file, priv, f); |
546 | return vidioc_try_fmt_vid_cap_mplane(file, priv, f); |
547 | } |
548 | |
549 | static int vivid_s_fmt_cap_mplane(struct file *file, void *priv, |
550 | struct v4l2_format *f) |
551 | { |
552 | struct video_device *vdev = video_devdata(file); |
553 | |
554 | if (vdev->vfl_type == VFL_TYPE_TOUCH) |
555 | return vivid_g_fmt_tch_mplane(file, priv, f); |
556 | return vidioc_s_fmt_vid_cap_mplane(file, priv, f); |
557 | } |
558 | |
559 | static bool vivid_is_in_use(bool valid, struct video_device *vdev) |
560 | { |
561 | unsigned long flags; |
562 | bool res; |
563 | |
564 | if (!valid) |
565 | return false; |
566 | spin_lock_irqsave(&vdev->fh_lock, flags); |
567 | res = !list_empty(head: &vdev->fh_list); |
568 | spin_unlock_irqrestore(lock: &vdev->fh_lock, flags); |
569 | return res; |
570 | } |
571 | |
572 | static bool vivid_is_last_user(struct vivid_dev *dev) |
573 | { |
574 | unsigned int uses = |
575 | vivid_is_in_use(valid: dev->has_vid_cap, vdev: &dev->vid_cap_dev) + |
576 | vivid_is_in_use(valid: dev->has_vid_out, vdev: &dev->vid_out_dev) + |
577 | vivid_is_in_use(valid: dev->has_vbi_cap, vdev: &dev->vbi_cap_dev) + |
578 | vivid_is_in_use(valid: dev->has_vbi_out, vdev: &dev->vbi_out_dev) + |
579 | vivid_is_in_use(valid: dev->has_radio_rx, vdev: &dev->radio_rx_dev) + |
580 | vivid_is_in_use(valid: dev->has_radio_tx, vdev: &dev->radio_tx_dev) + |
581 | vivid_is_in_use(valid: dev->has_sdr_cap, vdev: &dev->sdr_cap_dev) + |
582 | vivid_is_in_use(valid: dev->has_meta_cap, vdev: &dev->meta_cap_dev) + |
583 | vivid_is_in_use(valid: dev->has_meta_out, vdev: &dev->meta_out_dev) + |
584 | vivid_is_in_use(valid: dev->has_touch_cap, vdev: &dev->touch_cap_dev); |
585 | |
586 | return uses == 1; |
587 | } |
588 | |
589 | static void vivid_reconnect(struct vivid_dev *dev) |
590 | { |
591 | if (dev->has_vid_cap) |
592 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->vid_cap_dev.flags); |
593 | if (dev->has_vid_out) |
594 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->vid_out_dev.flags); |
595 | if (dev->has_vbi_cap) |
596 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->vbi_cap_dev.flags); |
597 | if (dev->has_vbi_out) |
598 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->vbi_out_dev.flags); |
599 | if (dev->has_radio_rx) |
600 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->radio_rx_dev.flags); |
601 | if (dev->has_radio_tx) |
602 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->radio_tx_dev.flags); |
603 | if (dev->has_sdr_cap) |
604 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->sdr_cap_dev.flags); |
605 | if (dev->has_meta_cap) |
606 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->meta_cap_dev.flags); |
607 | if (dev->has_meta_out) |
608 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->meta_out_dev.flags); |
609 | if (dev->has_touch_cap) |
610 | set_bit(nr: V4L2_FL_REGISTERED, addr: &dev->touch_cap_dev.flags); |
611 | dev->disconnect_error = false; |
612 | } |
613 | |
614 | static int vivid_fop_release(struct file *file) |
615 | { |
616 | struct vivid_dev *dev = video_drvdata(file); |
617 | struct video_device *vdev = video_devdata(file); |
618 | |
619 | mutex_lock(&dev->mutex); |
620 | if (!no_error_inj && v4l2_fh_is_singular_file(filp: file) && |
621 | dev->disconnect_error && !video_is_registered(vdev) && |
622 | vivid_is_last_user(dev)) { |
623 | /* |
624 | * I am the last user of this driver, and a disconnect |
625 | * was forced (since this video_device is unregistered), |
626 | * so re-register all video_device's again. |
627 | */ |
628 | v4l2_info(&dev->v4l2_dev, "reconnect\n" ); |
629 | vivid_reconnect(dev); |
630 | } |
631 | if (file->private_data == dev->radio_rx_rds_owner) { |
632 | dev->radio_rx_rds_last_block = 0; |
633 | dev->radio_rx_rds_owner = NULL; |
634 | } |
635 | if (file->private_data == dev->radio_tx_rds_owner) { |
636 | dev->radio_tx_rds_last_block = 0; |
637 | dev->radio_tx_rds_owner = NULL; |
638 | } |
639 | mutex_unlock(lock: &dev->mutex); |
640 | if (vdev->queue) |
641 | return vb2_fop_release(file); |
642 | return v4l2_fh_release(filp: file); |
643 | } |
644 | |
645 | static const struct v4l2_file_operations vivid_fops = { |
646 | .owner = THIS_MODULE, |
647 | .open = v4l2_fh_open, |
648 | .release = vivid_fop_release, |
649 | .read = vb2_fop_read, |
650 | .write = vb2_fop_write, |
651 | .poll = vb2_fop_poll, |
652 | .unlocked_ioctl = video_ioctl2, |
653 | .mmap = vb2_fop_mmap, |
654 | }; |
655 | |
656 | static const struct v4l2_file_operations vivid_radio_fops = { |
657 | .owner = THIS_MODULE, |
658 | .open = v4l2_fh_open, |
659 | .release = vivid_fop_release, |
660 | .read = vivid_radio_read, |
661 | .write = vivid_radio_write, |
662 | .poll = vivid_radio_poll, |
663 | .unlocked_ioctl = video_ioctl2, |
664 | }; |
665 | |
666 | static int vidioc_reqbufs(struct file *file, void *priv, |
667 | struct v4l2_requestbuffers *p) |
668 | { |
669 | struct video_device *vdev = video_devdata(file); |
670 | int r; |
671 | |
672 | /* |
673 | * Sliced and raw VBI capture share the same queue so we must |
674 | * change the type. |
675 | */ |
676 | if (p->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE || |
677 | p->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
678 | r = vb2_queue_change_type(q: vdev->queue, type: p->type); |
679 | if (r) |
680 | return r; |
681 | } |
682 | |
683 | return vb2_ioctl_reqbufs(file, priv, p); |
684 | } |
685 | |
686 | static int vidioc_create_bufs(struct file *file, void *priv, |
687 | struct v4l2_create_buffers *p) |
688 | { |
689 | struct video_device *vdev = video_devdata(file); |
690 | int r; |
691 | |
692 | /* |
693 | * Sliced and raw VBI capture share the same queue so we must |
694 | * change the type. |
695 | */ |
696 | if (p->format.type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE || |
697 | p->format.type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
698 | r = vb2_queue_change_type(q: vdev->queue, type: p->format.type); |
699 | if (r) |
700 | return r; |
701 | } |
702 | |
703 | return vb2_ioctl_create_bufs(file, priv, p); |
704 | } |
705 | |
706 | static const struct v4l2_ioctl_ops vivid_ioctl_ops = { |
707 | .vidioc_querycap = vidioc_querycap, |
708 | |
709 | .vidioc_enum_fmt_vid_cap = vivid_enum_fmt_cap, |
710 | .vidioc_g_fmt_vid_cap = vivid_g_fmt_cap, |
711 | .vidioc_try_fmt_vid_cap = vivid_try_fmt_cap, |
712 | .vidioc_s_fmt_vid_cap = vivid_s_fmt_cap, |
713 | .vidioc_g_fmt_vid_cap_mplane = vivid_g_fmt_cap_mplane, |
714 | .vidioc_try_fmt_vid_cap_mplane = vivid_try_fmt_cap_mplane, |
715 | .vidioc_s_fmt_vid_cap_mplane = vivid_s_fmt_cap_mplane, |
716 | |
717 | .vidioc_enum_fmt_vid_out = vivid_enum_fmt_vid, |
718 | .vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out, |
719 | .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out, |
720 | .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, |
721 | .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt_vid_out_mplane, |
722 | .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane, |
723 | .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt_vid_out_mplane, |
724 | |
725 | .vidioc_g_selection = vidioc_g_selection, |
726 | .vidioc_s_selection = vidioc_s_selection, |
727 | .vidioc_g_pixelaspect = vidioc_g_pixelaspect, |
728 | |
729 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
730 | .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
731 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, |
732 | |
733 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
734 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_fmt_sliced_vbi_cap, |
735 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_s_fmt_sliced_vbi_cap, |
736 | .vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap, |
737 | |
738 | .vidioc_g_fmt_vbi_out = vidioc_g_fmt_vbi_out, |
739 | .vidioc_try_fmt_vbi_out = vidioc_g_fmt_vbi_out, |
740 | .vidioc_s_fmt_vbi_out = vidioc_s_fmt_vbi_out, |
741 | |
742 | .vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out, |
743 | .vidioc_try_fmt_sliced_vbi_out = vidioc_try_fmt_sliced_vbi_out, |
744 | .vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out, |
745 | |
746 | .vidioc_enum_fmt_sdr_cap = vidioc_enum_fmt_sdr_cap, |
747 | .vidioc_g_fmt_sdr_cap = vidioc_g_fmt_sdr_cap, |
748 | .vidioc_try_fmt_sdr_cap = vidioc_try_fmt_sdr_cap, |
749 | .vidioc_s_fmt_sdr_cap = vidioc_s_fmt_sdr_cap, |
750 | |
751 | .vidioc_overlay = vidioc_overlay, |
752 | .vidioc_enum_framesizes = vidioc_enum_framesizes, |
753 | .vidioc_enum_frameintervals = vidioc_enum_frameintervals, |
754 | .vidioc_g_parm = vidioc_g_parm, |
755 | .vidioc_s_parm = vidioc_s_parm, |
756 | |
757 | .vidioc_g_fmt_vid_out_overlay = vidioc_g_fmt_vid_out_overlay, |
758 | .vidioc_try_fmt_vid_out_overlay = vidioc_try_fmt_vid_out_overlay, |
759 | .vidioc_s_fmt_vid_out_overlay = vidioc_s_fmt_vid_out_overlay, |
760 | .vidioc_g_fbuf = vidioc_g_fbuf, |
761 | .vidioc_s_fbuf = vidioc_s_fbuf, |
762 | |
763 | .vidioc_reqbufs = vidioc_reqbufs, |
764 | .vidioc_create_bufs = vidioc_create_bufs, |
765 | .vidioc_prepare_buf = vb2_ioctl_prepare_buf, |
766 | .vidioc_querybuf = vb2_ioctl_querybuf, |
767 | .vidioc_qbuf = vb2_ioctl_qbuf, |
768 | .vidioc_dqbuf = vb2_ioctl_dqbuf, |
769 | .vidioc_expbuf = vb2_ioctl_expbuf, |
770 | .vidioc_streamon = vb2_ioctl_streamon, |
771 | .vidioc_streamoff = vb2_ioctl_streamoff, |
772 | |
773 | .vidioc_enum_input = vivid_enum_input, |
774 | .vidioc_g_input = vivid_g_input, |
775 | .vidioc_s_input = vivid_s_input, |
776 | .vidioc_s_audio = vidioc_s_audio, |
777 | .vidioc_g_audio = vidioc_g_audio, |
778 | .vidioc_enumaudio = vidioc_enumaudio, |
779 | .vidioc_s_frequency = vidioc_s_frequency, |
780 | .vidioc_g_frequency = vidioc_g_frequency, |
781 | .vidioc_s_tuner = vidioc_s_tuner, |
782 | .vidioc_g_tuner = vidioc_g_tuner, |
783 | .vidioc_s_modulator = vidioc_s_modulator, |
784 | .vidioc_g_modulator = vidioc_g_modulator, |
785 | .vidioc_s_hw_freq_seek = vidioc_s_hw_freq_seek, |
786 | .vidioc_enum_freq_bands = vidioc_enum_freq_bands, |
787 | |
788 | .vidioc_enum_output = vidioc_enum_output, |
789 | .vidioc_g_output = vidioc_g_output, |
790 | .vidioc_s_output = vidioc_s_output, |
791 | .vidioc_s_audout = vidioc_s_audout, |
792 | .vidioc_g_audout = vidioc_g_audout, |
793 | .vidioc_enumaudout = vidioc_enumaudout, |
794 | |
795 | .vidioc_querystd = vidioc_querystd, |
796 | .vidioc_g_std = vidioc_g_std, |
797 | .vidioc_s_std = vidioc_s_std, |
798 | .vidioc_s_dv_timings = vidioc_s_dv_timings, |
799 | .vidioc_g_dv_timings = vidioc_g_dv_timings, |
800 | .vidioc_query_dv_timings = vidioc_query_dv_timings, |
801 | .vidioc_enum_dv_timings = vidioc_enum_dv_timings, |
802 | .vidioc_dv_timings_cap = vidioc_dv_timings_cap, |
803 | .vidioc_g_edid = vidioc_g_edid, |
804 | .vidioc_s_edid = vidioc_s_edid, |
805 | |
806 | .vidioc_log_status = vidioc_log_status, |
807 | .vidioc_subscribe_event = vidioc_subscribe_event, |
808 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
809 | |
810 | .vidioc_enum_fmt_meta_cap = vidioc_enum_fmt_meta_cap, |
811 | .vidioc_g_fmt_meta_cap = vidioc_g_fmt_meta_cap, |
812 | .vidioc_s_fmt_meta_cap = vidioc_g_fmt_meta_cap, |
813 | .vidioc_try_fmt_meta_cap = vidioc_g_fmt_meta_cap, |
814 | |
815 | .vidioc_enum_fmt_meta_out = vidioc_enum_fmt_meta_out, |
816 | .vidioc_g_fmt_meta_out = vidioc_g_fmt_meta_out, |
817 | .vidioc_s_fmt_meta_out = vidioc_g_fmt_meta_out, |
818 | .vidioc_try_fmt_meta_out = vidioc_g_fmt_meta_out, |
819 | }; |
820 | |
821 | /* ----------------------------------------------------------------- |
822 | Initialization and module stuff |
823 | ------------------------------------------------------------------*/ |
824 | |
825 | static void vivid_dev_release(struct v4l2_device *v4l2_dev) |
826 | { |
827 | struct vivid_dev *dev = container_of(v4l2_dev, struct vivid_dev, v4l2_dev); |
828 | |
829 | vivid_free_controls(dev); |
830 | v4l2_device_unregister(v4l2_dev: &dev->v4l2_dev); |
831 | #ifdef CONFIG_MEDIA_CONTROLLER |
832 | media_device_cleanup(mdev: &dev->mdev); |
833 | #endif |
834 | vfree(addr: dev->scaled_line); |
835 | vfree(addr: dev->blended_line); |
836 | vfree(addr: dev->edid); |
837 | tpg_free(tpg: &dev->tpg); |
838 | kfree(objp: dev->query_dv_timings_qmenu); |
839 | kfree(objp: dev->query_dv_timings_qmenu_strings); |
840 | kfree(objp: dev); |
841 | } |
842 | |
843 | #ifdef CONFIG_MEDIA_CONTROLLER |
844 | static int vivid_req_validate(struct media_request *req) |
845 | { |
846 | struct vivid_dev *dev = container_of(req->mdev, struct vivid_dev, mdev); |
847 | |
848 | if (dev->req_validate_error) { |
849 | dev->req_validate_error = false; |
850 | return -EINVAL; |
851 | } |
852 | return vb2_request_validate(req); |
853 | } |
854 | |
855 | static const struct media_device_ops vivid_media_ops = { |
856 | .req_validate = vivid_req_validate, |
857 | .req_queue = vb2_request_queue, |
858 | }; |
859 | #endif |
860 | |
861 | static int vivid_create_queue(struct vivid_dev *dev, |
862 | struct vb2_queue *q, |
863 | u32 buf_type, |
864 | unsigned int min_queued_buffers, |
865 | const struct vb2_ops *ops) |
866 | { |
867 | if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->multiplanar) |
868 | buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; |
869 | else if (buf_type == V4L2_BUF_TYPE_VIDEO_OUTPUT && dev->multiplanar) |
870 | buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; |
871 | else if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE && !dev->has_raw_vbi_cap) |
872 | buf_type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; |
873 | else if (buf_type == V4L2_BUF_TYPE_VBI_OUTPUT && !dev->has_raw_vbi_out) |
874 | buf_type = V4L2_BUF_TYPE_SLICED_VBI_OUTPUT; |
875 | |
876 | q->type = buf_type; |
877 | q->io_modes = VB2_MMAP | VB2_DMABUF; |
878 | q->io_modes |= V4L2_TYPE_IS_OUTPUT(buf_type) ? VB2_WRITE : VB2_READ; |
879 | |
880 | /* |
881 | * The maximum number of buffers is 32768 if PAGE_SHIFT == 12, |
882 | * see also MAX_BUFFER_INDEX in videobuf2-core.c. It will be less if |
883 | * PAGE_SHIFT > 12, but then max_num_buffers will be clamped by |
884 | * videobuf2-core.c to MAX_BUFFER_INDEX. |
885 | */ |
886 | if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
887 | q->max_num_buffers = 64; |
888 | if (buf_type == V4L2_BUF_TYPE_SDR_CAPTURE) |
889 | q->max_num_buffers = 1024; |
890 | if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE) |
891 | q->max_num_buffers = 32768; |
892 | |
893 | if (allocators[dev->inst] != 1) |
894 | q->io_modes |= VB2_USERPTR; |
895 | q->drv_priv = dev; |
896 | q->buf_struct_size = sizeof(struct vivid_buffer); |
897 | q->ops = ops; |
898 | q->mem_ops = allocators[dev->inst] == 1 ? &vb2_dma_contig_memops : |
899 | &vb2_vmalloc_memops; |
900 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
901 | q->min_queued_buffers = supports_requests[dev->inst] ? 0 : min_queued_buffers; |
902 | q->lock = &dev->mutex; |
903 | q->dev = dev->v4l2_dev.dev; |
904 | q->supports_requests = supports_requests[dev->inst]; |
905 | q->requires_requests = supports_requests[dev->inst] >= 2; |
906 | q->allow_cache_hints = (cache_hints[dev->inst] == 1); |
907 | |
908 | return vb2_queue_init(q); |
909 | } |
910 | |
911 | static int vivid_detect_feature_set(struct vivid_dev *dev, int inst, |
912 | unsigned node_type, |
913 | bool *has_tuner, |
914 | bool *has_modulator, |
915 | int *ccs_cap, |
916 | int *ccs_out, |
917 | unsigned in_type_counter[4], |
918 | unsigned out_type_counter[4]) |
919 | { |
920 | int i; |
921 | |
922 | /* do we use single- or multi-planar? */ |
923 | dev->multiplanar = multiplanar[inst] > 1; |
924 | v4l2_info(&dev->v4l2_dev, "using %splanar format API\n" , |
925 | dev->multiplanar ? "multi" : "single " ); |
926 | |
927 | /* how many inputs do we have and of what type? */ |
928 | dev->num_inputs = num_inputs[inst]; |
929 | if (node_type & 0x20007) { |
930 | if (dev->num_inputs < 1) |
931 | dev->num_inputs = 1; |
932 | } else { |
933 | dev->num_inputs = 0; |
934 | } |
935 | if (dev->num_inputs >= MAX_INPUTS) |
936 | dev->num_inputs = MAX_INPUTS; |
937 | for (i = 0; i < dev->num_inputs; i++) { |
938 | dev->input_type[i] = (input_types[inst] >> (i * 2)) & 0x3; |
939 | dev->input_name_counter[i] = in_type_counter[dev->input_type[i]]++; |
940 | } |
941 | dev->has_audio_inputs = in_type_counter[TV] && in_type_counter[SVID]; |
942 | if (in_type_counter[HDMI] == 16) { |
943 | /* The CEC physical address only allows for max 15 inputs */ |
944 | in_type_counter[HDMI]--; |
945 | dev->num_inputs--; |
946 | } |
947 | dev->num_hdmi_inputs = in_type_counter[HDMI]; |
948 | |
949 | /* how many outputs do we have and of what type? */ |
950 | dev->num_outputs = num_outputs[inst]; |
951 | if (node_type & 0x40300) { |
952 | if (dev->num_outputs < 1) |
953 | dev->num_outputs = 1; |
954 | } else { |
955 | dev->num_outputs = 0; |
956 | } |
957 | if (dev->num_outputs >= MAX_OUTPUTS) |
958 | dev->num_outputs = MAX_OUTPUTS; |
959 | for (i = 0; i < dev->num_outputs; i++) { |
960 | dev->output_type[i] = ((output_types[inst] >> i) & 1) ? HDMI : SVID; |
961 | dev->output_name_counter[i] = out_type_counter[dev->output_type[i]]++; |
962 | dev->display_present[i] = true; |
963 | } |
964 | dev->has_audio_outputs = out_type_counter[SVID]; |
965 | if (out_type_counter[HDMI] == 16) { |
966 | /* |
967 | * The CEC physical address only allows for max 15 inputs, |
968 | * so outputs are also limited to 15 to allow for easy |
969 | * CEC output to input mapping. |
970 | */ |
971 | out_type_counter[HDMI]--; |
972 | dev->num_outputs--; |
973 | } |
974 | dev->num_hdmi_outputs = out_type_counter[HDMI]; |
975 | |
976 | /* do we create a video capture device? */ |
977 | dev->has_vid_cap = node_type & 0x0001; |
978 | |
979 | /* do we create a vbi capture device? */ |
980 | if (in_type_counter[TV] || in_type_counter[SVID]) { |
981 | dev->has_raw_vbi_cap = node_type & 0x0004; |
982 | dev->has_sliced_vbi_cap = node_type & 0x0008; |
983 | dev->has_vbi_cap = dev->has_raw_vbi_cap | dev->has_sliced_vbi_cap; |
984 | } |
985 | |
986 | /* do we create a meta capture device */ |
987 | dev->has_meta_cap = node_type & 0x20000; |
988 | |
989 | /* sanity checks */ |
990 | if ((in_type_counter[WEBCAM] || in_type_counter[HDMI]) && |
991 | !dev->has_vid_cap && !dev->has_meta_cap) { |
992 | v4l2_warn(&dev->v4l2_dev, |
993 | "Webcam or HDMI input without video or metadata nodes\n" ); |
994 | return -EINVAL; |
995 | } |
996 | if ((in_type_counter[TV] || in_type_counter[SVID]) && |
997 | !dev->has_vid_cap && !dev->has_vbi_cap && !dev->has_meta_cap) { |
998 | v4l2_warn(&dev->v4l2_dev, |
999 | "TV or S-Video input without video, VBI or metadata nodes\n" ); |
1000 | return -EINVAL; |
1001 | } |
1002 | |
1003 | /* do we create a video output device? */ |
1004 | dev->has_vid_out = node_type & 0x0100; |
1005 | |
1006 | /* do we create a vbi output device? */ |
1007 | if (out_type_counter[SVID]) { |
1008 | dev->has_raw_vbi_out = node_type & 0x0400; |
1009 | dev->has_sliced_vbi_out = node_type & 0x0800; |
1010 | dev->has_vbi_out = dev->has_raw_vbi_out | dev->has_sliced_vbi_out; |
1011 | } |
1012 | |
1013 | /* do we create a metadata output device */ |
1014 | dev->has_meta_out = node_type & 0x40000; |
1015 | |
1016 | /* sanity checks */ |
1017 | if (out_type_counter[SVID] && |
1018 | !dev->has_vid_out && !dev->has_vbi_out && !dev->has_meta_out) { |
1019 | v4l2_warn(&dev->v4l2_dev, |
1020 | "S-Video output without video, VBI or metadata nodes\n" ); |
1021 | return -EINVAL; |
1022 | } |
1023 | if (out_type_counter[HDMI] && !dev->has_vid_out && !dev->has_meta_out) { |
1024 | v4l2_warn(&dev->v4l2_dev, |
1025 | "HDMI output without video or metadata nodes\n" ); |
1026 | return -EINVAL; |
1027 | } |
1028 | |
1029 | /* do we create a radio receiver device? */ |
1030 | dev->has_radio_rx = node_type & 0x0010; |
1031 | |
1032 | /* do we create a radio transmitter device? */ |
1033 | dev->has_radio_tx = node_type & 0x1000; |
1034 | |
1035 | /* do we create a software defined radio capture device? */ |
1036 | dev->has_sdr_cap = node_type & 0x0020; |
1037 | |
1038 | /* do we have a TV tuner? */ |
1039 | dev->has_tv_tuner = in_type_counter[TV]; |
1040 | |
1041 | /* do we have a tuner? */ |
1042 | *has_tuner = ((dev->has_vid_cap || dev->has_vbi_cap) && in_type_counter[TV]) || |
1043 | dev->has_radio_rx || dev->has_sdr_cap; |
1044 | |
1045 | /* do we have a modulator? */ |
1046 | *has_modulator = dev->has_radio_tx; |
1047 | |
1048 | if (dev->has_vid_cap) |
1049 | /* do we have a framebuffer for overlay testing? */ |
1050 | dev->has_fb = node_type & 0x10000; |
1051 | |
1052 | /* can we do crop/compose/scaling while capturing? */ |
1053 | if (no_error_inj && *ccs_cap == -1) |
1054 | *ccs_cap = 7; |
1055 | |
1056 | /* if ccs_cap == -1, then the user can select it using controls */ |
1057 | if (*ccs_cap != -1) { |
1058 | dev->has_crop_cap = *ccs_cap & 1; |
1059 | dev->has_compose_cap = *ccs_cap & 2; |
1060 | dev->has_scaler_cap = *ccs_cap & 4; |
1061 | v4l2_info(&dev->v4l2_dev, "Capture Crop: %c Compose: %c Scaler: %c\n" , |
1062 | dev->has_crop_cap ? 'Y' : 'N', |
1063 | dev->has_compose_cap ? 'Y' : 'N', |
1064 | dev->has_scaler_cap ? 'Y' : 'N'); |
1065 | } |
1066 | |
1067 | /* can we do crop/compose/scaling with video output? */ |
1068 | if (no_error_inj && *ccs_out == -1) |
1069 | *ccs_out = 7; |
1070 | |
1071 | /* if ccs_out == -1, then the user can select it using controls */ |
1072 | if (*ccs_out != -1) { |
1073 | dev->has_crop_out = *ccs_out & 1; |
1074 | dev->has_compose_out = *ccs_out & 2; |
1075 | dev->has_scaler_out = *ccs_out & 4; |
1076 | v4l2_info(&dev->v4l2_dev, "Output Crop: %c Compose: %c Scaler: %c\n" , |
1077 | dev->has_crop_out ? 'Y' : 'N', |
1078 | dev->has_compose_out ? 'Y' : 'N', |
1079 | dev->has_scaler_out ? 'Y' : 'N'); |
1080 | } |
1081 | |
1082 | /* do we create a touch capture device */ |
1083 | dev->has_touch_cap = node_type & 0x80000; |
1084 | |
1085 | return 0; |
1086 | } |
1087 | |
1088 | static void vivid_set_capabilities(struct vivid_dev *dev) |
1089 | { |
1090 | if (dev->has_vid_cap) { |
1091 | /* set up the capabilities of the video capture device */ |
1092 | dev->vid_cap_caps = dev->multiplanar ? |
1093 | V4L2_CAP_VIDEO_CAPTURE_MPLANE : |
1094 | V4L2_CAP_VIDEO_CAPTURE; |
1095 | dev->vid_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1096 | if (dev->has_audio_inputs) |
1097 | dev->vid_cap_caps |= V4L2_CAP_AUDIO; |
1098 | if (dev->has_tv_tuner) |
1099 | dev->vid_cap_caps |= V4L2_CAP_TUNER; |
1100 | } |
1101 | if (dev->has_vid_out) { |
1102 | /* set up the capabilities of the video output device */ |
1103 | dev->vid_out_caps = dev->multiplanar ? |
1104 | V4L2_CAP_VIDEO_OUTPUT_MPLANE : |
1105 | V4L2_CAP_VIDEO_OUTPUT; |
1106 | if (dev->has_fb) |
1107 | dev->vid_out_caps |= V4L2_CAP_VIDEO_OUTPUT_OVERLAY; |
1108 | dev->vid_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1109 | if (dev->has_audio_outputs) |
1110 | dev->vid_out_caps |= V4L2_CAP_AUDIO; |
1111 | } |
1112 | if (dev->has_vbi_cap) { |
1113 | /* set up the capabilities of the vbi capture device */ |
1114 | dev->vbi_cap_caps = (dev->has_raw_vbi_cap ? V4L2_CAP_VBI_CAPTURE : 0) | |
1115 | (dev->has_sliced_vbi_cap ? V4L2_CAP_SLICED_VBI_CAPTURE : 0); |
1116 | dev->vbi_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1117 | if (dev->has_audio_inputs) |
1118 | dev->vbi_cap_caps |= V4L2_CAP_AUDIO; |
1119 | if (dev->has_tv_tuner) |
1120 | dev->vbi_cap_caps |= V4L2_CAP_TUNER; |
1121 | } |
1122 | if (dev->has_vbi_out) { |
1123 | /* set up the capabilities of the vbi output device */ |
1124 | dev->vbi_out_caps = (dev->has_raw_vbi_out ? V4L2_CAP_VBI_OUTPUT : 0) | |
1125 | (dev->has_sliced_vbi_out ? V4L2_CAP_SLICED_VBI_OUTPUT : 0); |
1126 | dev->vbi_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1127 | if (dev->has_audio_outputs) |
1128 | dev->vbi_out_caps |= V4L2_CAP_AUDIO; |
1129 | } |
1130 | if (dev->has_sdr_cap) { |
1131 | /* set up the capabilities of the sdr capture device */ |
1132 | dev->sdr_cap_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER; |
1133 | dev->sdr_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1134 | } |
1135 | /* set up the capabilities of the radio receiver device */ |
1136 | if (dev->has_radio_rx) |
1137 | dev->radio_rx_caps = V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE | |
1138 | V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER | |
1139 | V4L2_CAP_READWRITE; |
1140 | /* set up the capabilities of the radio transmitter device */ |
1141 | if (dev->has_radio_tx) |
1142 | dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR | |
1143 | V4L2_CAP_READWRITE; |
1144 | |
1145 | /* set up the capabilities of meta capture device */ |
1146 | if (dev->has_meta_cap) { |
1147 | dev->meta_cap_caps = V4L2_CAP_META_CAPTURE | |
1148 | V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1149 | if (dev->has_audio_inputs) |
1150 | dev->meta_cap_caps |= V4L2_CAP_AUDIO; |
1151 | if (dev->has_tv_tuner) |
1152 | dev->meta_cap_caps |= V4L2_CAP_TUNER; |
1153 | } |
1154 | /* set up the capabilities of meta output device */ |
1155 | if (dev->has_meta_out) { |
1156 | dev->meta_out_caps = V4L2_CAP_META_OUTPUT | |
1157 | V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; |
1158 | if (dev->has_audio_outputs) |
1159 | dev->meta_out_caps |= V4L2_CAP_AUDIO; |
1160 | } |
1161 | /* set up the capabilities of the touch capture device */ |
1162 | if (dev->has_touch_cap) { |
1163 | dev->touch_cap_caps = V4L2_CAP_TOUCH | V4L2_CAP_STREAMING | |
1164 | V4L2_CAP_READWRITE; |
1165 | dev->touch_cap_caps |= dev->multiplanar ? |
1166 | V4L2_CAP_VIDEO_CAPTURE_MPLANE : V4L2_CAP_VIDEO_CAPTURE; |
1167 | } |
1168 | } |
1169 | |
1170 | static void vivid_disable_unused_ioctls(struct vivid_dev *dev, |
1171 | bool has_tuner, |
1172 | bool has_modulator, |
1173 | unsigned in_type_counter[4], |
1174 | unsigned out_type_counter[4]) |
1175 | { |
1176 | /* disable invalid ioctls based on the feature set */ |
1177 | if (!dev->has_audio_inputs) { |
1178 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_S_AUDIO); |
1179 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_G_AUDIO); |
1180 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_ENUMAUDIO); |
1181 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_S_AUDIO); |
1182 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_G_AUDIO); |
1183 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_ENUMAUDIO); |
1184 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_S_AUDIO); |
1185 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_G_AUDIO); |
1186 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_ENUMAUDIO); |
1187 | } |
1188 | if (!dev->has_audio_outputs) { |
1189 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_S_AUDOUT); |
1190 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_G_AUDOUT); |
1191 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_ENUMAUDOUT); |
1192 | v4l2_disable_ioctl(vdev: &dev->vbi_out_dev, VIDIOC_S_AUDOUT); |
1193 | v4l2_disable_ioctl(vdev: &dev->vbi_out_dev, VIDIOC_G_AUDOUT); |
1194 | v4l2_disable_ioctl(vdev: &dev->vbi_out_dev, VIDIOC_ENUMAUDOUT); |
1195 | v4l2_disable_ioctl(vdev: &dev->meta_out_dev, VIDIOC_S_AUDOUT); |
1196 | v4l2_disable_ioctl(vdev: &dev->meta_out_dev, VIDIOC_G_AUDOUT); |
1197 | v4l2_disable_ioctl(vdev: &dev->meta_out_dev, VIDIOC_ENUMAUDOUT); |
1198 | } |
1199 | if (!in_type_counter[TV] && !in_type_counter[SVID]) { |
1200 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_S_STD); |
1201 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_G_STD); |
1202 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_ENUMSTD); |
1203 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_QUERYSTD); |
1204 | } |
1205 | if (!out_type_counter[SVID]) { |
1206 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_S_STD); |
1207 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_G_STD); |
1208 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_ENUMSTD); |
1209 | } |
1210 | if (!has_tuner && !has_modulator) { |
1211 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_S_FREQUENCY); |
1212 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_G_FREQUENCY); |
1213 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_S_FREQUENCY); |
1214 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_G_FREQUENCY); |
1215 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_S_FREQUENCY); |
1216 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_G_FREQUENCY); |
1217 | } |
1218 | if (!has_tuner) { |
1219 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_S_TUNER); |
1220 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_G_TUNER); |
1221 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_S_TUNER); |
1222 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_G_TUNER); |
1223 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_S_TUNER); |
1224 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_G_TUNER); |
1225 | } |
1226 | if (in_type_counter[HDMI] == 0) { |
1227 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_S_EDID); |
1228 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_G_EDID); |
1229 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_DV_TIMINGS_CAP); |
1230 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_G_DV_TIMINGS); |
1231 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_S_DV_TIMINGS); |
1232 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_ENUM_DV_TIMINGS); |
1233 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_QUERY_DV_TIMINGS); |
1234 | } |
1235 | if (out_type_counter[HDMI] == 0) { |
1236 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_G_EDID); |
1237 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_DV_TIMINGS_CAP); |
1238 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_G_DV_TIMINGS); |
1239 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_S_DV_TIMINGS); |
1240 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_ENUM_DV_TIMINGS); |
1241 | } |
1242 | if (!dev->has_fb) { |
1243 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_G_FBUF); |
1244 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_S_FBUF); |
1245 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_OVERLAY); |
1246 | } |
1247 | v4l2_disable_ioctl(vdev: &dev->vid_cap_dev, VIDIOC_S_HW_FREQ_SEEK); |
1248 | v4l2_disable_ioctl(vdev: &dev->vbi_cap_dev, VIDIOC_S_HW_FREQ_SEEK); |
1249 | v4l2_disable_ioctl(vdev: &dev->sdr_cap_dev, VIDIOC_S_HW_FREQ_SEEK); |
1250 | v4l2_disable_ioctl(vdev: &dev->meta_cap_dev, VIDIOC_S_HW_FREQ_SEEK); |
1251 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_S_FREQUENCY); |
1252 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_G_FREQUENCY); |
1253 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_ENUM_FRAMESIZES); |
1254 | v4l2_disable_ioctl(vdev: &dev->vid_out_dev, VIDIOC_ENUM_FRAMEINTERVALS); |
1255 | v4l2_disable_ioctl(vdev: &dev->vbi_out_dev, VIDIOC_S_FREQUENCY); |
1256 | v4l2_disable_ioctl(vdev: &dev->vbi_out_dev, VIDIOC_G_FREQUENCY); |
1257 | v4l2_disable_ioctl(vdev: &dev->meta_out_dev, VIDIOC_S_FREQUENCY); |
1258 | v4l2_disable_ioctl(vdev: &dev->meta_out_dev, VIDIOC_G_FREQUENCY); |
1259 | v4l2_disable_ioctl(vdev: &dev->touch_cap_dev, VIDIOC_S_PARM); |
1260 | v4l2_disable_ioctl(vdev: &dev->touch_cap_dev, VIDIOC_ENUM_FRAMESIZES); |
1261 | v4l2_disable_ioctl(vdev: &dev->touch_cap_dev, VIDIOC_ENUM_FRAMEINTERVALS); |
1262 | } |
1263 | |
1264 | static int vivid_init_dv_timings(struct vivid_dev *dev) |
1265 | { |
1266 | int i; |
1267 | |
1268 | while (v4l2_dv_timings_presets[dev->query_dv_timings_size].bt.width) |
1269 | dev->query_dv_timings_size++; |
1270 | |
1271 | /* |
1272 | * Create a char pointer array that points to the names of all the |
1273 | * preset timings |
1274 | */ |
1275 | dev->query_dv_timings_qmenu = kmalloc_array(n: dev->query_dv_timings_size, |
1276 | size: sizeof(char *), GFP_KERNEL); |
1277 | /* |
1278 | * Create a string array containing the names of all the preset |
1279 | * timings. Each name is max 31 chars long (+ terminating 0). |
1280 | */ |
1281 | dev->query_dv_timings_qmenu_strings = |
1282 | kmalloc_array(n: dev->query_dv_timings_size, size: 32, GFP_KERNEL); |
1283 | |
1284 | if (!dev->query_dv_timings_qmenu || |
1285 | !dev->query_dv_timings_qmenu_strings) |
1286 | return -ENOMEM; |
1287 | |
1288 | for (i = 0; i < dev->query_dv_timings_size; i++) { |
1289 | const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; |
1290 | char *p = dev->query_dv_timings_qmenu_strings + i * 32; |
1291 | u32 htot, vtot; |
1292 | |
1293 | dev->query_dv_timings_qmenu[i] = p; |
1294 | |
1295 | htot = V4L2_DV_BT_FRAME_WIDTH(bt); |
1296 | vtot = V4L2_DV_BT_FRAME_HEIGHT(bt); |
1297 | snprintf(buf: p, size: 32, fmt: "%ux%u%s%u" , |
1298 | bt->width, bt->height, bt->interlaced ? "i" : "p" , |
1299 | (u32)bt->pixelclock / (htot * vtot)); |
1300 | } |
1301 | |
1302 | return 0; |
1303 | } |
1304 | |
1305 | static int vivid_create_queues(struct vivid_dev *dev) |
1306 | { |
1307 | int ret; |
1308 | |
1309 | /* start creating the vb2 queues */ |
1310 | if (dev->has_vid_cap) { |
1311 | /* initialize vid_cap queue */ |
1312 | ret = vivid_create_queue(dev, q: &dev->vb_vid_cap_q, |
1313 | buf_type: V4L2_BUF_TYPE_VIDEO_CAPTURE, min_queued_buffers: 2, |
1314 | ops: &vivid_vid_cap_qops); |
1315 | if (ret) |
1316 | return ret; |
1317 | } |
1318 | |
1319 | if (dev->has_vid_out) { |
1320 | /* initialize vid_out queue */ |
1321 | ret = vivid_create_queue(dev, q: &dev->vb_vid_out_q, |
1322 | buf_type: V4L2_BUF_TYPE_VIDEO_OUTPUT, min_queued_buffers: 2, |
1323 | ops: &vivid_vid_out_qops); |
1324 | if (ret) |
1325 | return ret; |
1326 | } |
1327 | |
1328 | if (dev->has_vbi_cap) { |
1329 | /* initialize vbi_cap queue */ |
1330 | ret = vivid_create_queue(dev, q: &dev->vb_vbi_cap_q, |
1331 | buf_type: V4L2_BUF_TYPE_VBI_CAPTURE, min_queued_buffers: 2, |
1332 | ops: &vivid_vbi_cap_qops); |
1333 | if (ret) |
1334 | return ret; |
1335 | } |
1336 | |
1337 | if (dev->has_vbi_out) { |
1338 | /* initialize vbi_out queue */ |
1339 | ret = vivid_create_queue(dev, q: &dev->vb_vbi_out_q, |
1340 | buf_type: V4L2_BUF_TYPE_VBI_OUTPUT, min_queued_buffers: 2, |
1341 | ops: &vivid_vbi_out_qops); |
1342 | if (ret) |
1343 | return ret; |
1344 | } |
1345 | |
1346 | if (dev->has_sdr_cap) { |
1347 | /* initialize sdr_cap queue */ |
1348 | ret = vivid_create_queue(dev, q: &dev->vb_sdr_cap_q, |
1349 | buf_type: V4L2_BUF_TYPE_SDR_CAPTURE, min_queued_buffers: 8, |
1350 | ops: &vivid_sdr_cap_qops); |
1351 | if (ret) |
1352 | return ret; |
1353 | } |
1354 | |
1355 | if (dev->has_meta_cap) { |
1356 | /* initialize meta_cap queue */ |
1357 | ret = vivid_create_queue(dev, q: &dev->vb_meta_cap_q, |
1358 | buf_type: V4L2_BUF_TYPE_META_CAPTURE, min_queued_buffers: 2, |
1359 | ops: &vivid_meta_cap_qops); |
1360 | if (ret) |
1361 | return ret; |
1362 | } |
1363 | |
1364 | if (dev->has_meta_out) { |
1365 | /* initialize meta_out queue */ |
1366 | ret = vivid_create_queue(dev, q: &dev->vb_meta_out_q, |
1367 | buf_type: V4L2_BUF_TYPE_META_OUTPUT, min_queued_buffers: 1, |
1368 | ops: &vivid_meta_out_qops); |
1369 | if (ret) |
1370 | return ret; |
1371 | } |
1372 | |
1373 | if (dev->has_touch_cap) { |
1374 | /* initialize touch_cap queue */ |
1375 | ret = vivid_create_queue(dev, q: &dev->vb_touch_cap_q, |
1376 | buf_type: V4L2_BUF_TYPE_VIDEO_CAPTURE, min_queued_buffers: 1, |
1377 | ops: &vivid_touch_cap_qops); |
1378 | if (ret) |
1379 | return ret; |
1380 | } |
1381 | |
1382 | if (dev->has_fb) { |
1383 | /* Create framebuffer for testing output overlay */ |
1384 | ret = vivid_fb_init(dev); |
1385 | if (ret) |
1386 | return ret; |
1387 | v4l2_info(&dev->v4l2_dev, "Framebuffer device registered as fb%d\n" , |
1388 | dev->fb_info.node); |
1389 | } |
1390 | return 0; |
1391 | } |
1392 | |
1393 | static int vivid_create_devnodes(struct platform_device *pdev, |
1394 | struct vivid_dev *dev, int inst, |
1395 | unsigned int cec_tx_bus_cnt, |
1396 | v4l2_std_id tvnorms_cap, |
1397 | v4l2_std_id tvnorms_out, |
1398 | unsigned in_type_counter[4], |
1399 | unsigned out_type_counter[4]) |
1400 | { |
1401 | struct video_device *vfd; |
1402 | int ret; |
1403 | |
1404 | if (dev->has_vid_cap) { |
1405 | vfd = &dev->vid_cap_dev; |
1406 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1407 | fmt: "vivid-%03d-vid-cap" , inst); |
1408 | vfd->fops = &vivid_fops; |
1409 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1410 | vfd->device_caps = dev->vid_cap_caps; |
1411 | vfd->release = video_device_release_empty; |
1412 | vfd->v4l2_dev = &dev->v4l2_dev; |
1413 | vfd->queue = &dev->vb_vid_cap_q; |
1414 | vfd->tvnorms = tvnorms_cap; |
1415 | |
1416 | /* |
1417 | * Provide a mutex to v4l2 core. It will be used to protect |
1418 | * all fops and v4l2 ioctls. |
1419 | */ |
1420 | vfd->lock = &dev->mutex; |
1421 | video_set_drvdata(vdev: vfd, data: dev); |
1422 | |
1423 | #ifdef CONFIG_MEDIA_CONTROLLER |
1424 | dev->vid_cap_pad.flags = MEDIA_PAD_FL_SINK; |
1425 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, pads: &dev->vid_cap_pad); |
1426 | if (ret) |
1427 | return ret; |
1428 | #endif |
1429 | |
1430 | #ifdef CONFIG_VIDEO_VIVID_CEC |
1431 | if (in_type_counter[HDMI]) { |
1432 | ret = cec_register_adapter(adap: dev->cec_rx_adap, parent: &pdev->dev); |
1433 | if (ret < 0) { |
1434 | cec_delete_adapter(adap: dev->cec_rx_adap); |
1435 | dev->cec_rx_adap = NULL; |
1436 | return ret; |
1437 | } |
1438 | cec_s_phys_addr(adap: dev->cec_rx_adap, phys_addr: 0, block: false); |
1439 | v4l2_info(&dev->v4l2_dev, "CEC adapter %s registered for HDMI input 0\n" , |
1440 | dev_name(&dev->cec_rx_adap->devnode.dev)); |
1441 | } |
1442 | #endif |
1443 | |
1444 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_VIDEO, nr: vid_cap_nr[inst]); |
1445 | if (ret < 0) |
1446 | return ret; |
1447 | v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n" , |
1448 | video_device_node_name(vfd)); |
1449 | } |
1450 | |
1451 | if (dev->has_vid_out) { |
1452 | #ifdef CONFIG_VIDEO_VIVID_CEC |
1453 | int i; |
1454 | #endif |
1455 | vfd = &dev->vid_out_dev; |
1456 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1457 | fmt: "vivid-%03d-vid-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->vid_out_caps; |
1462 | vfd->release = video_device_release_empty; |
1463 | vfd->v4l2_dev = &dev->v4l2_dev; |
1464 | vfd->queue = &dev->vb_vid_out_q; |
1465 | vfd->tvnorms = tvnorms_out; |
1466 | |
1467 | /* |
1468 | * Provide a mutex to v4l2 core. It will be used to protect |
1469 | * all fops and v4l2 ioctls. |
1470 | */ |
1471 | vfd->lock = &dev->mutex; |
1472 | video_set_drvdata(vdev: vfd, data: dev); |
1473 | |
1474 | #ifdef CONFIG_MEDIA_CONTROLLER |
1475 | dev->vid_out_pad.flags = MEDIA_PAD_FL_SOURCE; |
1476 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, pads: &dev->vid_out_pad); |
1477 | if (ret) |
1478 | return ret; |
1479 | #endif |
1480 | |
1481 | #ifdef CONFIG_VIDEO_VIVID_CEC |
1482 | for (i = 0; i < cec_tx_bus_cnt; i++) { |
1483 | ret = cec_register_adapter(adap: dev->cec_tx_adap[i], parent: &pdev->dev); |
1484 | if (ret < 0) { |
1485 | for (; i < cec_tx_bus_cnt; i++) { |
1486 | cec_delete_adapter(adap: dev->cec_tx_adap[i]); |
1487 | dev->cec_tx_adap[i] = NULL; |
1488 | } |
1489 | return ret; |
1490 | } |
1491 | v4l2_info(&dev->v4l2_dev, "CEC adapter %s registered for HDMI output %d\n" , |
1492 | dev_name(&dev->cec_tx_adap[i]->devnode.dev), i); |
1493 | if (i < out_type_counter[HDMI]) |
1494 | cec_s_phys_addr(adap: dev->cec_tx_adap[i], phys_addr: (i + 1) << 12, block: false); |
1495 | else |
1496 | cec_s_phys_addr(adap: dev->cec_tx_adap[i], phys_addr: 0x1000, block: false); |
1497 | } |
1498 | #endif |
1499 | |
1500 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_VIDEO, nr: vid_out_nr[inst]); |
1501 | if (ret < 0) |
1502 | return ret; |
1503 | v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s\n" , |
1504 | video_device_node_name(vfd)); |
1505 | } |
1506 | |
1507 | if (dev->has_vbi_cap) { |
1508 | vfd = &dev->vbi_cap_dev; |
1509 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1510 | fmt: "vivid-%03d-vbi-cap" , inst); |
1511 | vfd->fops = &vivid_fops; |
1512 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1513 | vfd->device_caps = dev->vbi_cap_caps; |
1514 | vfd->release = video_device_release_empty; |
1515 | vfd->v4l2_dev = &dev->v4l2_dev; |
1516 | vfd->queue = &dev->vb_vbi_cap_q; |
1517 | vfd->lock = &dev->mutex; |
1518 | vfd->tvnorms = tvnorms_cap; |
1519 | video_set_drvdata(vdev: vfd, data: dev); |
1520 | |
1521 | #ifdef CONFIG_MEDIA_CONTROLLER |
1522 | dev->vbi_cap_pad.flags = MEDIA_PAD_FL_SINK; |
1523 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, pads: &dev->vbi_cap_pad); |
1524 | if (ret) |
1525 | return ret; |
1526 | #endif |
1527 | |
1528 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_VBI, nr: vbi_cap_nr[inst]); |
1529 | if (ret < 0) |
1530 | return ret; |
1531 | v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s, supports %s VBI\n" , |
1532 | video_device_node_name(vfd), |
1533 | (dev->has_raw_vbi_cap && dev->has_sliced_vbi_cap) ? |
1534 | "raw and sliced" : |
1535 | (dev->has_raw_vbi_cap ? "raw" : "sliced" )); |
1536 | } |
1537 | |
1538 | if (dev->has_vbi_out) { |
1539 | vfd = &dev->vbi_out_dev; |
1540 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1541 | fmt: "vivid-%03d-vbi-out" , inst); |
1542 | vfd->vfl_dir = VFL_DIR_TX; |
1543 | vfd->fops = &vivid_fops; |
1544 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1545 | vfd->device_caps = dev->vbi_out_caps; |
1546 | vfd->release = video_device_release_empty; |
1547 | vfd->v4l2_dev = &dev->v4l2_dev; |
1548 | vfd->queue = &dev->vb_vbi_out_q; |
1549 | vfd->lock = &dev->mutex; |
1550 | vfd->tvnorms = tvnorms_out; |
1551 | video_set_drvdata(vdev: vfd, data: dev); |
1552 | |
1553 | #ifdef CONFIG_MEDIA_CONTROLLER |
1554 | dev->vbi_out_pad.flags = MEDIA_PAD_FL_SOURCE; |
1555 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, pads: &dev->vbi_out_pad); |
1556 | if (ret) |
1557 | return ret; |
1558 | #endif |
1559 | |
1560 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_VBI, nr: vbi_out_nr[inst]); |
1561 | if (ret < 0) |
1562 | return ret; |
1563 | v4l2_info(&dev->v4l2_dev, "V4L2 output device registered as %s, supports %s VBI\n" , |
1564 | video_device_node_name(vfd), |
1565 | (dev->has_raw_vbi_out && dev->has_sliced_vbi_out) ? |
1566 | "raw and sliced" : |
1567 | (dev->has_raw_vbi_out ? "raw" : "sliced" )); |
1568 | } |
1569 | |
1570 | if (dev->has_sdr_cap) { |
1571 | vfd = &dev->sdr_cap_dev; |
1572 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1573 | fmt: "vivid-%03d-sdr-cap" , inst); |
1574 | vfd->fops = &vivid_fops; |
1575 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1576 | vfd->device_caps = dev->sdr_cap_caps; |
1577 | vfd->release = video_device_release_empty; |
1578 | vfd->v4l2_dev = &dev->v4l2_dev; |
1579 | vfd->queue = &dev->vb_sdr_cap_q; |
1580 | vfd->lock = &dev->mutex; |
1581 | video_set_drvdata(vdev: vfd, data: dev); |
1582 | |
1583 | #ifdef CONFIG_MEDIA_CONTROLLER |
1584 | dev->sdr_cap_pad.flags = MEDIA_PAD_FL_SINK; |
1585 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, pads: &dev->sdr_cap_pad); |
1586 | if (ret) |
1587 | return ret; |
1588 | #endif |
1589 | |
1590 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_SDR, nr: sdr_cap_nr[inst]); |
1591 | if (ret < 0) |
1592 | return ret; |
1593 | v4l2_info(&dev->v4l2_dev, "V4L2 capture device registered as %s\n" , |
1594 | video_device_node_name(vfd)); |
1595 | } |
1596 | |
1597 | if (dev->has_radio_rx) { |
1598 | vfd = &dev->radio_rx_dev; |
1599 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1600 | fmt: "vivid-%03d-rad-rx" , inst); |
1601 | vfd->fops = &vivid_radio_fops; |
1602 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1603 | vfd->device_caps = dev->radio_rx_caps; |
1604 | vfd->release = video_device_release_empty; |
1605 | vfd->v4l2_dev = &dev->v4l2_dev; |
1606 | vfd->lock = &dev->mutex; |
1607 | video_set_drvdata(vdev: vfd, data: dev); |
1608 | |
1609 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_RADIO, nr: radio_rx_nr[inst]); |
1610 | if (ret < 0) |
1611 | return ret; |
1612 | v4l2_info(&dev->v4l2_dev, "V4L2 receiver device registered as %s\n" , |
1613 | video_device_node_name(vfd)); |
1614 | } |
1615 | |
1616 | if (dev->has_radio_tx) { |
1617 | vfd = &dev->radio_tx_dev; |
1618 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1619 | fmt: "vivid-%03d-rad-tx" , inst); |
1620 | vfd->vfl_dir = VFL_DIR_TX; |
1621 | vfd->fops = &vivid_radio_fops; |
1622 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1623 | vfd->device_caps = dev->radio_tx_caps; |
1624 | vfd->release = video_device_release_empty; |
1625 | vfd->v4l2_dev = &dev->v4l2_dev; |
1626 | vfd->lock = &dev->mutex; |
1627 | video_set_drvdata(vdev: vfd, data: dev); |
1628 | |
1629 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_RADIO, nr: radio_tx_nr[inst]); |
1630 | if (ret < 0) |
1631 | return ret; |
1632 | v4l2_info(&dev->v4l2_dev, "V4L2 transmitter device registered as %s\n" , |
1633 | video_device_node_name(vfd)); |
1634 | } |
1635 | |
1636 | if (dev->has_meta_cap) { |
1637 | vfd = &dev->meta_cap_dev; |
1638 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1639 | fmt: "vivid-%03d-meta-cap" , inst); |
1640 | vfd->fops = &vivid_fops; |
1641 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1642 | vfd->device_caps = dev->meta_cap_caps; |
1643 | vfd->release = video_device_release_empty; |
1644 | vfd->v4l2_dev = &dev->v4l2_dev; |
1645 | vfd->queue = &dev->vb_meta_cap_q; |
1646 | vfd->lock = &dev->mutex; |
1647 | vfd->tvnorms = tvnorms_cap; |
1648 | video_set_drvdata(vdev: vfd, data: dev); |
1649 | #ifdef CONFIG_MEDIA_CONTROLLER |
1650 | dev->meta_cap_pad.flags = MEDIA_PAD_FL_SINK; |
1651 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, |
1652 | pads: &dev->meta_cap_pad); |
1653 | if (ret) |
1654 | return ret; |
1655 | #endif |
1656 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_VIDEO, |
1657 | nr: meta_cap_nr[inst]); |
1658 | if (ret < 0) |
1659 | return ret; |
1660 | v4l2_info(&dev->v4l2_dev, |
1661 | "V4L2 metadata capture device registered as %s\n" , |
1662 | video_device_node_name(vfd)); |
1663 | } |
1664 | |
1665 | if (dev->has_meta_out) { |
1666 | vfd = &dev->meta_out_dev; |
1667 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1668 | fmt: "vivid-%03d-meta-out" , inst); |
1669 | vfd->vfl_dir = VFL_DIR_TX; |
1670 | vfd->fops = &vivid_fops; |
1671 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1672 | vfd->device_caps = dev->meta_out_caps; |
1673 | vfd->release = video_device_release_empty; |
1674 | vfd->v4l2_dev = &dev->v4l2_dev; |
1675 | vfd->queue = &dev->vb_meta_out_q; |
1676 | vfd->lock = &dev->mutex; |
1677 | vfd->tvnorms = tvnorms_out; |
1678 | video_set_drvdata(vdev: vfd, data: dev); |
1679 | #ifdef CONFIG_MEDIA_CONTROLLER |
1680 | dev->meta_out_pad.flags = MEDIA_PAD_FL_SOURCE; |
1681 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, |
1682 | pads: &dev->meta_out_pad); |
1683 | if (ret) |
1684 | return ret; |
1685 | #endif |
1686 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_VIDEO, |
1687 | nr: meta_out_nr[inst]); |
1688 | if (ret < 0) |
1689 | return ret; |
1690 | v4l2_info(&dev->v4l2_dev, |
1691 | "V4L2 metadata output device registered as %s\n" , |
1692 | video_device_node_name(vfd)); |
1693 | } |
1694 | |
1695 | if (dev->has_touch_cap) { |
1696 | vfd = &dev->touch_cap_dev; |
1697 | snprintf(buf: vfd->name, size: sizeof(vfd->name), |
1698 | fmt: "vivid-%03d-touch-cap" , inst); |
1699 | vfd->fops = &vivid_fops; |
1700 | vfd->ioctl_ops = &vivid_ioctl_ops; |
1701 | vfd->device_caps = dev->touch_cap_caps; |
1702 | vfd->release = video_device_release_empty; |
1703 | vfd->v4l2_dev = &dev->v4l2_dev; |
1704 | vfd->queue = &dev->vb_touch_cap_q; |
1705 | vfd->tvnorms = tvnorms_cap; |
1706 | vfd->lock = &dev->mutex; |
1707 | video_set_drvdata(vdev: vfd, data: dev); |
1708 | #ifdef CONFIG_MEDIA_CONTROLLER |
1709 | dev->touch_cap_pad.flags = MEDIA_PAD_FL_SINK; |
1710 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, |
1711 | pads: &dev->touch_cap_pad); |
1712 | if (ret) |
1713 | return ret; |
1714 | #endif |
1715 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_TOUCH, |
1716 | nr: touch_cap_nr[inst]); |
1717 | if (ret < 0) |
1718 | return ret; |
1719 | v4l2_info(&dev->v4l2_dev, |
1720 | "V4L2 touch capture device registered as %s\n" , |
1721 | video_device_node_name(vfd)); |
1722 | } |
1723 | |
1724 | #ifdef CONFIG_MEDIA_CONTROLLER |
1725 | /* Register the media device */ |
1726 | ret = media_device_register(&dev->mdev); |
1727 | if (ret) { |
1728 | dev_err(dev->mdev.dev, |
1729 | "media device register failed (err=%d)\n" , ret); |
1730 | return ret; |
1731 | } |
1732 | #endif |
1733 | return 0; |
1734 | } |
1735 | |
1736 | static int vivid_create_instance(struct platform_device *pdev, int inst) |
1737 | { |
1738 | static const struct v4l2_dv_timings def_dv_timings = |
1739 | V4L2_DV_BT_CEA_1280X720P60; |
1740 | unsigned in_type_counter[4] = { 0, 0, 0, 0 }; |
1741 | unsigned out_type_counter[4] = { 0, 0, 0, 0 }; |
1742 | int ccs_cap = ccs_cap_mode[inst]; |
1743 | int ccs_out = ccs_out_mode[inst]; |
1744 | bool has_tuner; |
1745 | bool has_modulator; |
1746 | struct vivid_dev *dev; |
1747 | unsigned node_type = node_types[inst]; |
1748 | v4l2_std_id tvnorms_cap = 0, tvnorms_out = 0; |
1749 | unsigned int cec_tx_bus_cnt = 0; |
1750 | int ret; |
1751 | int i; |
1752 | |
1753 | /* allocate main vivid state structure */ |
1754 | dev = kzalloc(size: sizeof(*dev), GFP_KERNEL); |
1755 | if (!dev) |
1756 | return -ENOMEM; |
1757 | |
1758 | dev->inst = inst; |
1759 | |
1760 | #ifdef CONFIG_MEDIA_CONTROLLER |
1761 | dev->v4l2_dev.mdev = &dev->mdev; |
1762 | |
1763 | /* Initialize media device */ |
1764 | strscpy(dev->mdev.model, VIVID_MODULE_NAME, sizeof(dev->mdev.model)); |
1765 | snprintf(buf: dev->mdev.bus_info, size: sizeof(dev->mdev.bus_info), |
1766 | fmt: "platform:%s-%03d" , VIVID_MODULE_NAME, inst); |
1767 | dev->mdev.dev = &pdev->dev; |
1768 | media_device_init(mdev: &dev->mdev); |
1769 | dev->mdev.ops = &vivid_media_ops; |
1770 | #endif |
1771 | |
1772 | /* register v4l2_device */ |
1773 | snprintf(buf: dev->v4l2_dev.name, size: sizeof(dev->v4l2_dev.name), |
1774 | fmt: "%s-%03d" , VIVID_MODULE_NAME, inst); |
1775 | ret = v4l2_device_register(dev: &pdev->dev, v4l2_dev: &dev->v4l2_dev); |
1776 | if (ret) { |
1777 | kfree(objp: dev); |
1778 | return ret; |
1779 | } |
1780 | dev->v4l2_dev.release = vivid_dev_release; |
1781 | |
1782 | ret = vivid_detect_feature_set(dev, inst, node_type, |
1783 | has_tuner: &has_tuner, has_modulator: &has_modulator, |
1784 | ccs_cap: &ccs_cap, ccs_out: &ccs_out, |
1785 | in_type_counter, out_type_counter); |
1786 | if (ret) |
1787 | goto free_dev; |
1788 | |
1789 | vivid_set_capabilities(dev); |
1790 | |
1791 | ret = -ENOMEM; |
1792 | /* initialize the test pattern generator */ |
1793 | tpg_init(tpg: &dev->tpg, w: 640, h: 360); |
1794 | if (tpg_alloc(tpg: &dev->tpg, array_size(MAX_WIDTH, MAX_ZOOM))) |
1795 | goto free_dev; |
1796 | dev->scaled_line = vzalloc(array_size(MAX_WIDTH, MAX_ZOOM)); |
1797 | if (!dev->scaled_line) |
1798 | goto free_dev; |
1799 | dev->blended_line = vzalloc(array_size(MAX_WIDTH, MAX_ZOOM)); |
1800 | if (!dev->blended_line) |
1801 | goto free_dev; |
1802 | |
1803 | /* load the edid */ |
1804 | dev->edid = vmalloc(array_size(256, 128)); |
1805 | if (!dev->edid) |
1806 | goto free_dev; |
1807 | |
1808 | ret = vivid_init_dv_timings(dev); |
1809 | if (ret < 0) |
1810 | goto free_dev; |
1811 | |
1812 | vivid_disable_unused_ioctls(dev, has_tuner, has_modulator, |
1813 | in_type_counter, out_type_counter); |
1814 | |
1815 | /* configure internal data */ |
1816 | dev->fmt_cap = &vivid_formats[0]; |
1817 | dev->fmt_out = &vivid_formats[0]; |
1818 | if (!dev->multiplanar) |
1819 | vivid_formats[0].data_offset[0] = 0; |
1820 | dev->webcam_size_idx = 1; |
1821 | dev->webcam_ival_idx = 3; |
1822 | tpg_s_fourcc(tpg: &dev->tpg, fourcc: dev->fmt_cap->fourcc); |
1823 | dev->std_out = V4L2_STD_PAL; |
1824 | if (dev->input_type[0] == TV || dev->input_type[0] == SVID) |
1825 | tvnorms_cap = V4L2_STD_ALL; |
1826 | if (dev->output_type[0] == SVID) |
1827 | tvnorms_out = V4L2_STD_ALL; |
1828 | for (i = 0; i < MAX_INPUTS; i++) { |
1829 | dev->dv_timings_cap[i] = def_dv_timings; |
1830 | dev->std_cap[i] = V4L2_STD_PAL; |
1831 | } |
1832 | dev->dv_timings_out = def_dv_timings; |
1833 | dev->tv_freq = 2804 /* 175.25 * 16 */; |
1834 | dev->tv_audmode = V4L2_TUNER_MODE_STEREO; |
1835 | dev->tv_field_cap = V4L2_FIELD_INTERLACED; |
1836 | dev->tv_field_out = V4L2_FIELD_INTERLACED; |
1837 | dev->radio_rx_freq = 95000 * 16; |
1838 | dev->radio_rx_audmode = V4L2_TUNER_MODE_STEREO; |
1839 | if (dev->has_radio_tx) { |
1840 | dev->radio_tx_freq = 95500 * 16; |
1841 | dev->radio_rds_loop = false; |
1842 | } |
1843 | dev->radio_tx_subchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_RDS; |
1844 | dev->sdr_adc_freq = 300000; |
1845 | dev->sdr_fm_freq = 50000000; |
1846 | dev->sdr_pixelformat = V4L2_SDR_FMT_CU8; |
1847 | dev->sdr_buffersize = SDR_CAP_SAMPLES_PER_BUF * 2; |
1848 | |
1849 | dev->edid_max_blocks = dev->edid_blocks = 2; |
1850 | memcpy(dev->edid, vivid_hdmi_edid, sizeof(vivid_hdmi_edid)); |
1851 | dev->radio_rds_init_time = ktime_get(); |
1852 | |
1853 | /* create all controls */ |
1854 | ret = vivid_create_controls(dev, show_ccs_cap: ccs_cap == -1, show_ccs_out: ccs_out == -1, no_error_inj, |
1855 | has_sdtv: in_type_counter[TV] || in_type_counter[SVID] || |
1856 | out_type_counter[SVID], |
1857 | has_hdmi: in_type_counter[HDMI] || out_type_counter[HDMI]); |
1858 | if (ret) |
1859 | goto unreg_dev; |
1860 | |
1861 | /* enable/disable interface specific controls */ |
1862 | if (dev->num_outputs && dev->output_type[0] != HDMI) |
1863 | v4l2_ctrl_activate(ctrl: dev->ctrl_display_present, active: false); |
1864 | if (dev->num_inputs && dev->input_type[0] != HDMI) { |
1865 | v4l2_ctrl_activate(ctrl: dev->ctrl_dv_timings_signal_mode, active: false); |
1866 | v4l2_ctrl_activate(ctrl: dev->ctrl_dv_timings, active: false); |
1867 | } else if (dev->num_inputs && dev->input_type[0] == HDMI) { |
1868 | v4l2_ctrl_activate(ctrl: dev->ctrl_std_signal_mode, active: false); |
1869 | v4l2_ctrl_activate(ctrl: dev->ctrl_standard, active: false); |
1870 | } |
1871 | |
1872 | /* |
1873 | * update the capture and output formats to do a proper initial |
1874 | * configuration. |
1875 | */ |
1876 | vivid_update_format_cap(dev, keep_controls: false); |
1877 | vivid_update_format_out(dev); |
1878 | |
1879 | /* update touch configuration */ |
1880 | dev->timeperframe_tch_cap.numerator = 1; |
1881 | dev->timeperframe_tch_cap.denominator = 10; |
1882 | vivid_set_touch(dev, i: 0); |
1883 | |
1884 | /* initialize locks */ |
1885 | spin_lock_init(&dev->slock); |
1886 | mutex_init(&dev->mutex); |
1887 | |
1888 | /* init dma queues */ |
1889 | INIT_LIST_HEAD(list: &dev->vid_cap_active); |
1890 | INIT_LIST_HEAD(list: &dev->vid_out_active); |
1891 | INIT_LIST_HEAD(list: &dev->vbi_cap_active); |
1892 | INIT_LIST_HEAD(list: &dev->vbi_out_active); |
1893 | INIT_LIST_HEAD(list: &dev->sdr_cap_active); |
1894 | INIT_LIST_HEAD(list: &dev->meta_cap_active); |
1895 | INIT_LIST_HEAD(list: &dev->meta_out_active); |
1896 | INIT_LIST_HEAD(list: &dev->touch_cap_active); |
1897 | |
1898 | spin_lock_init(&dev->cec_xfers_slock); |
1899 | |
1900 | if (allocators[inst] == 1) |
1901 | dma_coerce_mask_and_coherent(dev: &pdev->dev, DMA_BIT_MASK(32)); |
1902 | |
1903 | ret = vivid_create_queues(dev); |
1904 | if (ret) |
1905 | goto unreg_dev; |
1906 | |
1907 | #ifdef CONFIG_VIDEO_VIVID_CEC |
1908 | if (dev->has_vid_cap && in_type_counter[HDMI]) { |
1909 | struct cec_adapter *adap; |
1910 | |
1911 | adap = vivid_cec_alloc_adap(dev, idx: 0, is_source: false); |
1912 | ret = PTR_ERR_OR_ZERO(ptr: adap); |
1913 | if (ret < 0) |
1914 | goto unreg_dev; |
1915 | dev->cec_rx_adap = adap; |
1916 | } |
1917 | |
1918 | if (dev->has_vid_out) { |
1919 | for (i = 0; i < dev->num_outputs; i++) { |
1920 | struct cec_adapter *adap; |
1921 | |
1922 | if (dev->output_type[i] != HDMI) |
1923 | continue; |
1924 | |
1925 | dev->cec_output2bus_map[i] = cec_tx_bus_cnt; |
1926 | adap = vivid_cec_alloc_adap(dev, idx: cec_tx_bus_cnt, is_source: true); |
1927 | ret = PTR_ERR_OR_ZERO(ptr: adap); |
1928 | if (ret < 0) { |
1929 | for (i = 0; i < dev->num_outputs; i++) |
1930 | cec_delete_adapter(adap: dev->cec_tx_adap[i]); |
1931 | goto unreg_dev; |
1932 | } |
1933 | |
1934 | dev->cec_tx_adap[cec_tx_bus_cnt] = adap; |
1935 | cec_tx_bus_cnt++; |
1936 | } |
1937 | } |
1938 | |
1939 | if (dev->cec_rx_adap || cec_tx_bus_cnt) { |
1940 | init_waitqueue_head(&dev->kthread_waitq_cec); |
1941 | dev->kthread_cec = kthread_run(vivid_cec_bus_thread, dev, |
1942 | "vivid_cec-%s" , dev->v4l2_dev.name); |
1943 | if (IS_ERR(ptr: dev->kthread_cec)) { |
1944 | ret = PTR_ERR(ptr: dev->kthread_cec); |
1945 | dev->kthread_cec = NULL; |
1946 | v4l2_err(&dev->v4l2_dev, "kernel_thread() failed\n" ); |
1947 | goto unreg_dev; |
1948 | } |
1949 | } |
1950 | |
1951 | #endif |
1952 | |
1953 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_vid_cap); |
1954 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_vid_out); |
1955 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_vbi_cap); |
1956 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_vbi_out); |
1957 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_radio_rx); |
1958 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_radio_tx); |
1959 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_sdr_cap); |
1960 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_meta_cap); |
1961 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_meta_out); |
1962 | v4l2_ctrl_handler_setup(hdl: &dev->ctrl_hdl_touch_cap); |
1963 | |
1964 | /* finally start creating the device nodes */ |
1965 | ret = vivid_create_devnodes(pdev, dev, inst, cec_tx_bus_cnt, |
1966 | tvnorms_cap, tvnorms_out, |
1967 | in_type_counter, out_type_counter); |
1968 | if (ret) |
1969 | goto unreg_dev; |
1970 | |
1971 | /* Now that everything is fine, let's add it to device list */ |
1972 | vivid_devs[inst] = dev; |
1973 | |
1974 | return 0; |
1975 | |
1976 | unreg_dev: |
1977 | vb2_video_unregister_device(vdev: &dev->touch_cap_dev); |
1978 | vb2_video_unregister_device(vdev: &dev->meta_out_dev); |
1979 | vb2_video_unregister_device(vdev: &dev->meta_cap_dev); |
1980 | video_unregister_device(vdev: &dev->radio_tx_dev); |
1981 | video_unregister_device(vdev: &dev->radio_rx_dev); |
1982 | vb2_video_unregister_device(vdev: &dev->sdr_cap_dev); |
1983 | vb2_video_unregister_device(vdev: &dev->vbi_out_dev); |
1984 | vb2_video_unregister_device(vdev: &dev->vbi_cap_dev); |
1985 | vb2_video_unregister_device(vdev: &dev->vid_out_dev); |
1986 | vb2_video_unregister_device(vdev: &dev->vid_cap_dev); |
1987 | cec_unregister_adapter(adap: dev->cec_rx_adap); |
1988 | for (i = 0; i < MAX_OUTPUTS; i++) |
1989 | cec_unregister_adapter(adap: dev->cec_tx_adap[i]); |
1990 | if (dev->kthread_cec) |
1991 | kthread_stop(k: dev->kthread_cec); |
1992 | free_dev: |
1993 | v4l2_device_put(v4l2_dev: &dev->v4l2_dev); |
1994 | return ret; |
1995 | } |
1996 | |
1997 | /* This routine allocates from 1 to n_devs virtual drivers. |
1998 | |
1999 | The real maximum number of virtual drivers will depend on how many drivers |
2000 | will succeed. This is limited to the maximum number of devices that |
2001 | videodev supports, which is equal to VIDEO_NUM_DEVICES. |
2002 | */ |
2003 | static int vivid_probe(struct platform_device *pdev) |
2004 | { |
2005 | const struct font_desc *font = find_font(name: "VGA8x16" ); |
2006 | int ret = 0, i; |
2007 | |
2008 | if (font == NULL) { |
2009 | pr_err("vivid: could not find font\n" ); |
2010 | return -ENODEV; |
2011 | } |
2012 | |
2013 | tpg_set_font(f: font->data); |
2014 | |
2015 | n_devs = clamp_t(unsigned, n_devs, 1, VIVID_MAX_DEVS); |
2016 | |
2017 | for (i = 0; i < n_devs; i++) { |
2018 | ret = vivid_create_instance(pdev, inst: i); |
2019 | if (ret) { |
2020 | /* If some instantiations succeeded, keep driver */ |
2021 | if (i) |
2022 | ret = 0; |
2023 | break; |
2024 | } |
2025 | } |
2026 | |
2027 | if (ret < 0) { |
2028 | pr_err("vivid: error %d while loading driver\n" , ret); |
2029 | return ret; |
2030 | } |
2031 | |
2032 | /* n_devs will reflect the actual number of allocated devices */ |
2033 | n_devs = i; |
2034 | |
2035 | return ret; |
2036 | } |
2037 | |
2038 | static void vivid_remove(struct platform_device *pdev) |
2039 | { |
2040 | struct vivid_dev *dev; |
2041 | unsigned int i, j; |
2042 | |
2043 | for (i = 0; i < n_devs; i++) { |
2044 | dev = vivid_devs[i]; |
2045 | if (!dev) |
2046 | continue; |
2047 | |
2048 | if (dev->disconnect_error) |
2049 | vivid_reconnect(dev); |
2050 | #ifdef CONFIG_MEDIA_CONTROLLER |
2051 | media_device_unregister(mdev: &dev->mdev); |
2052 | #endif |
2053 | |
2054 | if (dev->has_vid_cap) { |
2055 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2056 | video_device_node_name(&dev->vid_cap_dev)); |
2057 | vb2_video_unregister_device(vdev: &dev->vid_cap_dev); |
2058 | } |
2059 | if (dev->has_vid_out) { |
2060 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2061 | video_device_node_name(&dev->vid_out_dev)); |
2062 | vb2_video_unregister_device(vdev: &dev->vid_out_dev); |
2063 | } |
2064 | if (dev->has_vbi_cap) { |
2065 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2066 | video_device_node_name(&dev->vbi_cap_dev)); |
2067 | vb2_video_unregister_device(vdev: &dev->vbi_cap_dev); |
2068 | } |
2069 | if (dev->has_vbi_out) { |
2070 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2071 | video_device_node_name(&dev->vbi_out_dev)); |
2072 | vb2_video_unregister_device(vdev: &dev->vbi_out_dev); |
2073 | } |
2074 | if (dev->has_sdr_cap) { |
2075 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2076 | video_device_node_name(&dev->sdr_cap_dev)); |
2077 | vb2_video_unregister_device(vdev: &dev->sdr_cap_dev); |
2078 | } |
2079 | if (dev->has_radio_rx) { |
2080 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2081 | video_device_node_name(&dev->radio_rx_dev)); |
2082 | video_unregister_device(vdev: &dev->radio_rx_dev); |
2083 | } |
2084 | if (dev->has_radio_tx) { |
2085 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2086 | video_device_node_name(&dev->radio_tx_dev)); |
2087 | video_unregister_device(vdev: &dev->radio_tx_dev); |
2088 | } |
2089 | if (dev->has_fb) { |
2090 | v4l2_info(&dev->v4l2_dev, "unregistering fb%d\n" , |
2091 | dev->fb_info.node); |
2092 | unregister_framebuffer(fb_info: &dev->fb_info); |
2093 | vivid_fb_release_buffers(dev); |
2094 | } |
2095 | if (dev->has_meta_cap) { |
2096 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2097 | video_device_node_name(&dev->meta_cap_dev)); |
2098 | vb2_video_unregister_device(vdev: &dev->meta_cap_dev); |
2099 | } |
2100 | if (dev->has_meta_out) { |
2101 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2102 | video_device_node_name(&dev->meta_out_dev)); |
2103 | vb2_video_unregister_device(vdev: &dev->meta_out_dev); |
2104 | } |
2105 | if (dev->has_touch_cap) { |
2106 | v4l2_info(&dev->v4l2_dev, "unregistering %s\n" , |
2107 | video_device_node_name(&dev->touch_cap_dev)); |
2108 | vb2_video_unregister_device(vdev: &dev->touch_cap_dev); |
2109 | } |
2110 | cec_unregister_adapter(adap: dev->cec_rx_adap); |
2111 | for (j = 0; j < MAX_OUTPUTS; j++) |
2112 | cec_unregister_adapter(adap: dev->cec_tx_adap[j]); |
2113 | if (dev->kthread_cec) |
2114 | kthread_stop(k: dev->kthread_cec); |
2115 | v4l2_device_put(v4l2_dev: &dev->v4l2_dev); |
2116 | vivid_devs[i] = NULL; |
2117 | } |
2118 | } |
2119 | |
2120 | static void vivid_pdev_release(struct device *dev) |
2121 | { |
2122 | } |
2123 | |
2124 | static struct platform_device vivid_pdev = { |
2125 | .name = "vivid" , |
2126 | .dev.release = vivid_pdev_release, |
2127 | }; |
2128 | |
2129 | static struct platform_driver vivid_pdrv = { |
2130 | .probe = vivid_probe, |
2131 | .remove_new = vivid_remove, |
2132 | .driver = { |
2133 | .name = "vivid" , |
2134 | }, |
2135 | }; |
2136 | |
2137 | static int __init vivid_init(void) |
2138 | { |
2139 | int ret; |
2140 | |
2141 | ret = platform_device_register(&vivid_pdev); |
2142 | if (ret) |
2143 | return ret; |
2144 | |
2145 | ret = platform_driver_register(&vivid_pdrv); |
2146 | if (ret) |
2147 | platform_device_unregister(&vivid_pdev); |
2148 | |
2149 | return ret; |
2150 | } |
2151 | |
2152 | static void __exit vivid_exit(void) |
2153 | { |
2154 | platform_driver_unregister(&vivid_pdrv); |
2155 | platform_device_unregister(&vivid_pdev); |
2156 | } |
2157 | |
2158 | module_init(vivid_init); |
2159 | module_exit(vivid_exit); |
2160 | |