Commit | Line | Data |
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35ea11ff HV |
1 | /* |
2 | * Video capture interface for Linux version 2 | |
3 | * | |
4 | * A generic framework to process V4L2 ioctl commands. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | * | |
d9b01449 | 11 | * Authors: Alan Cox, <alan@lxorguk.ukuu.org.uk> (version 1) |
35ea11ff HV |
12 | * Mauro Carvalho Chehab <mchehab@infradead.org> (version 2) |
13 | */ | |
14 | ||
15 | #include <linux/module.h> | |
5a0e3ad6 | 16 | #include <linux/slab.h> |
35ea11ff HV |
17 | #include <linux/types.h> |
18 | #include <linux/kernel.h> | |
19 | ||
20 | #define __OLD_VIDIOC_ /* To allow fixing old calls */ | |
7e0a16f6 | 21 | #include <linux/videodev.h> |
35ea11ff HV |
22 | #include <linux/videodev2.h> |
23 | ||
24 | #ifdef CONFIG_VIDEO_V4L1 | |
25 | #include <linux/videodev.h> | |
26 | #endif | |
27 | #include <media/v4l2-common.h> | |
28 | #include <media/v4l2-ioctl.h> | |
d3d7c963 SA |
29 | #include <media/v4l2-fh.h> |
30 | #include <media/v4l2-event.h> | |
80b36e0f | 31 | #include <media/v4l2-chip-ident.h> |
35ea11ff HV |
32 | |
33 | #define dbgarg(cmd, fmt, arg...) \ | |
34 | do { \ | |
35 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { \ | |
36 | printk(KERN_DEBUG "%s: ", vfd->name); \ | |
37 | v4l_printk_ioctl(cmd); \ | |
38 | printk(" " fmt, ## arg); \ | |
39 | } \ | |
40 | } while (0) | |
41 | ||
42 | #define dbgarg2(fmt, arg...) \ | |
43 | do { \ | |
44 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ | |
45 | printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\ | |
46 | } while (0) | |
47 | ||
d33fbcbb MCC |
48 | #define dbgarg3(fmt, arg...) \ |
49 | do { \ | |
50 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ | |
51 | printk(KERN_CONT "%s: " fmt, vfd->name, ## arg);\ | |
52 | } while (0) | |
53 | ||
7ecc0cf9 TP |
54 | /* Zero out the end of the struct pointed to by p. Everthing after, but |
55 | * not including, the specified field is cleared. */ | |
56 | #define CLEAR_AFTER_FIELD(p, field) \ | |
57 | memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ | |
58 | 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) | |
59 | ||
35ea11ff HV |
60 | struct std_descr { |
61 | v4l2_std_id std; | |
62 | const char *descr; | |
63 | }; | |
64 | ||
65 | static const struct std_descr standards[] = { | |
66 | { V4L2_STD_NTSC, "NTSC" }, | |
67 | { V4L2_STD_NTSC_M, "NTSC-M" }, | |
68 | { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, | |
69 | { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, | |
70 | { V4L2_STD_NTSC_443, "NTSC-443" }, | |
71 | { V4L2_STD_PAL, "PAL" }, | |
72 | { V4L2_STD_PAL_BG, "PAL-BG" }, | |
73 | { V4L2_STD_PAL_B, "PAL-B" }, | |
74 | { V4L2_STD_PAL_B1, "PAL-B1" }, | |
75 | { V4L2_STD_PAL_G, "PAL-G" }, | |
76 | { V4L2_STD_PAL_H, "PAL-H" }, | |
77 | { V4L2_STD_PAL_I, "PAL-I" }, | |
78 | { V4L2_STD_PAL_DK, "PAL-DK" }, | |
79 | { V4L2_STD_PAL_D, "PAL-D" }, | |
80 | { V4L2_STD_PAL_D1, "PAL-D1" }, | |
81 | { V4L2_STD_PAL_K, "PAL-K" }, | |
82 | { V4L2_STD_PAL_M, "PAL-M" }, | |
83 | { V4L2_STD_PAL_N, "PAL-N" }, | |
84 | { V4L2_STD_PAL_Nc, "PAL-Nc" }, | |
85 | { V4L2_STD_PAL_60, "PAL-60" }, | |
86 | { V4L2_STD_SECAM, "SECAM" }, | |
87 | { V4L2_STD_SECAM_B, "SECAM-B" }, | |
88 | { V4L2_STD_SECAM_G, "SECAM-G" }, | |
89 | { V4L2_STD_SECAM_H, "SECAM-H" }, | |
90 | { V4L2_STD_SECAM_DK, "SECAM-DK" }, | |
91 | { V4L2_STD_SECAM_D, "SECAM-D" }, | |
92 | { V4L2_STD_SECAM_K, "SECAM-K" }, | |
93 | { V4L2_STD_SECAM_K1, "SECAM-K1" }, | |
94 | { V4L2_STD_SECAM_L, "SECAM-L" }, | |
95 | { V4L2_STD_SECAM_LC, "SECAM-Lc" }, | |
96 | { 0, "Unknown" } | |
97 | }; | |
98 | ||
99 | /* video4linux standard ID conversion to standard name | |
100 | */ | |
101 | const char *v4l2_norm_to_name(v4l2_std_id id) | |
102 | { | |
103 | u32 myid = id; | |
104 | int i; | |
105 | ||
106 | /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle | |
107 | 64 bit comparations. So, on that architecture, with some gcc | |
108 | variants, compilation fails. Currently, the max value is 30bit wide. | |
109 | */ | |
110 | BUG_ON(myid != id); | |
111 | ||
112 | for (i = 0; standards[i].std; i++) | |
113 | if (myid == standards[i].std) | |
114 | break; | |
115 | return standards[i].descr; | |
116 | } | |
117 | EXPORT_SYMBOL(v4l2_norm_to_name); | |
118 | ||
51f0b8d5 TP |
119 | /* Returns frame period for the given standard */ |
120 | void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) | |
121 | { | |
122 | if (id & V4L2_STD_525_60) { | |
123 | frameperiod->numerator = 1001; | |
124 | frameperiod->denominator = 30000; | |
125 | } else { | |
126 | frameperiod->numerator = 1; | |
127 | frameperiod->denominator = 25; | |
128 | } | |
129 | } | |
130 | EXPORT_SYMBOL(v4l2_video_std_frame_period); | |
131 | ||
35ea11ff HV |
132 | /* Fill in the fields of a v4l2_standard structure according to the |
133 | 'id' and 'transmission' parameters. Returns negative on error. */ | |
134 | int v4l2_video_std_construct(struct v4l2_standard *vs, | |
135 | int id, const char *name) | |
136 | { | |
51f0b8d5 TP |
137 | vs->id = id; |
138 | v4l2_video_std_frame_period(id, &vs->frameperiod); | |
139 | vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; | |
35ea11ff HV |
140 | strlcpy(vs->name, name, sizeof(vs->name)); |
141 | return 0; | |
142 | } | |
143 | EXPORT_SYMBOL(v4l2_video_std_construct); | |
144 | ||
145 | /* ----------------------------------------------------------------- */ | |
146 | /* some arrays for pretty-printing debug messages of enum types */ | |
147 | ||
148 | const char *v4l2_field_names[] = { | |
149 | [V4L2_FIELD_ANY] = "any", | |
150 | [V4L2_FIELD_NONE] = "none", | |
151 | [V4L2_FIELD_TOP] = "top", | |
152 | [V4L2_FIELD_BOTTOM] = "bottom", | |
153 | [V4L2_FIELD_INTERLACED] = "interlaced", | |
154 | [V4L2_FIELD_SEQ_TB] = "seq-tb", | |
155 | [V4L2_FIELD_SEQ_BT] = "seq-bt", | |
156 | [V4L2_FIELD_ALTERNATE] = "alternate", | |
157 | [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", | |
158 | [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", | |
159 | }; | |
160 | EXPORT_SYMBOL(v4l2_field_names); | |
161 | ||
162 | const char *v4l2_type_names[] = { | |
163 | [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", | |
164 | [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", | |
165 | [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", | |
166 | [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", | |
167 | [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", | |
168 | [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", | |
169 | [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", | |
170 | [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", | |
171 | }; | |
172 | EXPORT_SYMBOL(v4l2_type_names); | |
173 | ||
174 | static const char *v4l2_memory_names[] = { | |
175 | [V4L2_MEMORY_MMAP] = "mmap", | |
176 | [V4L2_MEMORY_USERPTR] = "userptr", | |
177 | [V4L2_MEMORY_OVERLAY] = "overlay", | |
178 | }; | |
179 | ||
180 | #define prt_names(a, arr) ((((a) >= 0) && ((a) < ARRAY_SIZE(arr))) ? \ | |
181 | arr[a] : "unknown") | |
182 | ||
183 | /* ------------------------------------------------------------------ */ | |
184 | /* debug help functions */ | |
185 | ||
186 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
187 | static const char *v4l1_ioctls[] = { | |
188 | [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP", | |
189 | [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN", | |
190 | [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN", | |
191 | [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER", | |
192 | [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER", | |
193 | [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT", | |
194 | [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT", | |
195 | [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE", | |
196 | [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN", | |
197 | [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN", | |
198 | [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF", | |
199 | [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF", | |
200 | [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY", | |
201 | [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ", | |
202 | [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ", | |
203 | [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO", | |
204 | [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO", | |
205 | [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC", | |
206 | [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE", | |
207 | [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF", | |
208 | [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT", | |
209 | [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE", | |
210 | [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE", | |
211 | [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE", | |
212 | [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE", | |
213 | [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO", | |
214 | [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE", | |
215 | [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT", | |
216 | [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT" | |
217 | }; | |
218 | #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) | |
219 | #endif | |
220 | ||
221 | static const char *v4l2_ioctls[] = { | |
222 | [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", | |
223 | [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", | |
224 | [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", | |
225 | [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", | |
226 | [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", | |
227 | [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", | |
228 | [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", | |
229 | [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", | |
230 | [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", | |
231 | [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", | |
232 | [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", | |
233 | [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", | |
234 | [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", | |
235 | [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", | |
236 | [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", | |
237 | [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", | |
238 | [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", | |
239 | [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", | |
240 | [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", | |
241 | [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", | |
242 | [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", | |
243 | [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", | |
244 | [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", | |
245 | [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", | |
246 | [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", | |
247 | [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", | |
248 | [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", | |
249 | [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", | |
250 | [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", | |
251 | [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", | |
252 | [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", | |
253 | [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", | |
254 | [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", | |
255 | [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", | |
256 | [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", | |
257 | [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", | |
258 | [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", | |
259 | [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", | |
260 | [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", | |
261 | [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", | |
262 | [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", | |
263 | [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", | |
264 | [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", | |
265 | [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", | |
266 | [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", | |
267 | [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", | |
268 | [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", | |
269 | [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", | |
270 | [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", | |
271 | [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", | |
272 | [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", | |
273 | [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS", | |
274 | [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", | |
275 | [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", | |
276 | [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS", | |
277 | #if 1 | |
278 | [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", | |
279 | [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", | |
280 | [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX", | |
281 | [_IOC_NR(VIDIOC_ENCODER_CMD)] = "VIDIOC_ENCODER_CMD", | |
282 | [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)] = "VIDIOC_TRY_ENCODER_CMD", | |
283 | ||
284 | [_IOC_NR(VIDIOC_DBG_S_REGISTER)] = "VIDIOC_DBG_S_REGISTER", | |
285 | [_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER", | |
286 | ||
aecde8b5 | 287 | [_IOC_NR(VIDIOC_DBG_G_CHIP_IDENT)] = "VIDIOC_DBG_G_CHIP_IDENT", |
35ea11ff HV |
288 | [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK", |
289 | #endif | |
b6456c0c MK |
290 | [_IOC_NR(VIDIOC_ENUM_DV_PRESETS)] = "VIDIOC_ENUM_DV_PRESETS", |
291 | [_IOC_NR(VIDIOC_S_DV_PRESET)] = "VIDIOC_S_DV_PRESET", | |
292 | [_IOC_NR(VIDIOC_G_DV_PRESET)] = "VIDIOC_G_DV_PRESET", | |
293 | [_IOC_NR(VIDIOC_QUERY_DV_PRESET)] = "VIDIOC_QUERY_DV_PRESET", | |
294 | [_IOC_NR(VIDIOC_S_DV_TIMINGS)] = "VIDIOC_S_DV_TIMINGS", | |
295 | [_IOC_NR(VIDIOC_G_DV_TIMINGS)] = "VIDIOC_G_DV_TIMINGS", | |
fda10214 SA |
296 | [_IOC_NR(VIDIOC_DQEVENT)] = "VIDIOC_DQEVENT", |
297 | [_IOC_NR(VIDIOC_SUBSCRIBE_EVENT)] = "VIDIOC_SUBSCRIBE_EVENT", | |
298 | [_IOC_NR(VIDIOC_UNSUBSCRIBE_EVENT)] = "VIDIOC_UNSUBSCRIBE_EVENT", | |
35ea11ff HV |
299 | }; |
300 | #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) | |
301 | ||
35ea11ff HV |
302 | /* Common ioctl debug function. This function can be used by |
303 | external ioctl messages as well as internal V4L ioctl */ | |
304 | void v4l_printk_ioctl(unsigned int cmd) | |
305 | { | |
306 | char *dir, *type; | |
307 | ||
308 | switch (_IOC_TYPE(cmd)) { | |
309 | case 'd': | |
78a3b4db HV |
310 | type = "v4l2_int"; |
311 | break; | |
35ea11ff HV |
312 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
313 | case 'v': | |
314 | if (_IOC_NR(cmd) >= V4L1_IOCTLS) { | |
315 | type = "v4l1"; | |
316 | break; | |
317 | } | |
318 | printk("%s", v4l1_ioctls[_IOC_NR(cmd)]); | |
319 | return; | |
320 | #endif | |
321 | case 'V': | |
322 | if (_IOC_NR(cmd) >= V4L2_IOCTLS) { | |
323 | type = "v4l2"; | |
324 | break; | |
325 | } | |
326 | printk("%s", v4l2_ioctls[_IOC_NR(cmd)]); | |
327 | return; | |
328 | default: | |
329 | type = "unknown"; | |
330 | } | |
331 | ||
332 | switch (_IOC_DIR(cmd)) { | |
333 | case _IOC_NONE: dir = "--"; break; | |
334 | case _IOC_READ: dir = "r-"; break; | |
335 | case _IOC_WRITE: dir = "-w"; break; | |
336 | case _IOC_READ | _IOC_WRITE: dir = "rw"; break; | |
337 | default: dir = "*ERR*"; break; | |
338 | } | |
339 | printk("%s ioctl '%c', dir=%s, #%d (0x%08x)", | |
340 | type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); | |
341 | } | |
342 | EXPORT_SYMBOL(v4l_printk_ioctl); | |
343 | ||
344 | /* | |
345 | * helper function -- handles userspace copying for ioctl arguments | |
346 | */ | |
347 | ||
348 | #ifdef __OLD_VIDIOC_ | |
349 | static unsigned int | |
350 | video_fix_command(unsigned int cmd) | |
351 | { | |
352 | switch (cmd) { | |
353 | case VIDIOC_OVERLAY_OLD: | |
354 | cmd = VIDIOC_OVERLAY; | |
355 | break; | |
356 | case VIDIOC_S_PARM_OLD: | |
357 | cmd = VIDIOC_S_PARM; | |
358 | break; | |
359 | case VIDIOC_S_CTRL_OLD: | |
360 | cmd = VIDIOC_S_CTRL; | |
361 | break; | |
362 | case VIDIOC_G_AUDIO_OLD: | |
363 | cmd = VIDIOC_G_AUDIO; | |
364 | break; | |
365 | case VIDIOC_G_AUDOUT_OLD: | |
366 | cmd = VIDIOC_G_AUDOUT; | |
367 | break; | |
368 | case VIDIOC_CROPCAP_OLD: | |
369 | cmd = VIDIOC_CROPCAP; | |
370 | break; | |
371 | } | |
372 | return cmd; | |
373 | } | |
374 | #endif | |
375 | ||
376 | /* | |
377 | * Obsolete usercopy function - Should be removed soon | |
378 | */ | |
069b7479 | 379 | long |
f473bf76 HV |
380 | video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, |
381 | v4l2_kioctl func) | |
35ea11ff HV |
382 | { |
383 | char sbuf[128]; | |
384 | void *mbuf = NULL; | |
385 | void *parg = NULL; | |
069b7479 | 386 | long err = -EINVAL; |
35ea11ff HV |
387 | int is_ext_ctrl; |
388 | size_t ctrls_size = 0; | |
389 | void __user *user_ptr = NULL; | |
390 | ||
391 | #ifdef __OLD_VIDIOC_ | |
392 | cmd = video_fix_command(cmd); | |
393 | #endif | |
394 | is_ext_ctrl = (cmd == VIDIOC_S_EXT_CTRLS || cmd == VIDIOC_G_EXT_CTRLS || | |
395 | cmd == VIDIOC_TRY_EXT_CTRLS); | |
396 | ||
397 | /* Copy arguments into temp kernel buffer */ | |
398 | switch (_IOC_DIR(cmd)) { | |
399 | case _IOC_NONE: | |
400 | parg = NULL; | |
401 | break; | |
402 | case _IOC_READ: | |
403 | case _IOC_WRITE: | |
404 | case (_IOC_WRITE | _IOC_READ): | |
405 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { | |
406 | parg = sbuf; | |
407 | } else { | |
408 | /* too big to allocate from stack */ | |
409 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); | |
410 | if (NULL == mbuf) | |
411 | return -ENOMEM; | |
412 | parg = mbuf; | |
413 | } | |
414 | ||
415 | err = -EFAULT; | |
416 | if (_IOC_DIR(cmd) & _IOC_WRITE) | |
417 | if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd))) | |
418 | goto out; | |
419 | break; | |
420 | } | |
421 | if (is_ext_ctrl) { | |
422 | struct v4l2_ext_controls *p = parg; | |
423 | ||
424 | /* In case of an error, tell the caller that it wasn't | |
425 | a specific control that caused it. */ | |
426 | p->error_idx = p->count; | |
427 | user_ptr = (void __user *)p->controls; | |
428 | if (p->count) { | |
429 | ctrls_size = sizeof(struct v4l2_ext_control) * p->count; | |
430 | /* Note: v4l2_ext_controls fits in sbuf[] so mbuf is still NULL. */ | |
431 | mbuf = kmalloc(ctrls_size, GFP_KERNEL); | |
432 | err = -ENOMEM; | |
433 | if (NULL == mbuf) | |
434 | goto out_ext_ctrl; | |
435 | err = -EFAULT; | |
436 | if (copy_from_user(mbuf, user_ptr, ctrls_size)) | |
437 | goto out_ext_ctrl; | |
438 | p->controls = mbuf; | |
439 | } | |
440 | } | |
441 | ||
442 | /* call driver */ | |
f473bf76 | 443 | err = func(file, cmd, parg); |
35ea11ff HV |
444 | if (err == -ENOIOCTLCMD) |
445 | err = -EINVAL; | |
446 | if (is_ext_ctrl) { | |
447 | struct v4l2_ext_controls *p = parg; | |
448 | ||
449 | p->controls = (void *)user_ptr; | |
450 | if (p->count && err == 0 && copy_to_user(user_ptr, mbuf, ctrls_size)) | |
451 | err = -EFAULT; | |
452 | goto out_ext_ctrl; | |
453 | } | |
454 | if (err < 0) | |
455 | goto out; | |
456 | ||
457 | out_ext_ctrl: | |
458 | /* Copy results into user buffer */ | |
459 | switch (_IOC_DIR(cmd)) { | |
460 | case _IOC_READ: | |
461 | case (_IOC_WRITE | _IOC_READ): | |
462 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) | |
463 | err = -EFAULT; | |
464 | break; | |
465 | } | |
466 | ||
467 | out: | |
468 | kfree(mbuf); | |
469 | return err; | |
470 | } | |
471 | EXPORT_SYMBOL(video_usercopy); | |
472 | ||
473 | static void dbgbuf(unsigned int cmd, struct video_device *vfd, | |
474 | struct v4l2_buffer *p) | |
475 | { | |
476 | struct v4l2_timecode *tc = &p->timecode; | |
477 | ||
478 | dbgarg(cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, " | |
479 | "bytesused=%d, flags=0x%08d, " | |
480 | "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx, length=%d\n", | |
481 | p->timestamp.tv_sec / 3600, | |
482 | (int)(p->timestamp.tv_sec / 60) % 60, | |
483 | (int)(p->timestamp.tv_sec % 60), | |
b045979d | 484 | (long)p->timestamp.tv_usec, |
35ea11ff HV |
485 | p->index, |
486 | prt_names(p->type, v4l2_type_names), | |
487 | p->bytesused, p->flags, | |
488 | p->field, p->sequence, | |
489 | prt_names(p->memory, v4l2_memory_names), | |
490 | p->m.userptr, p->length); | |
491 | dbgarg2("timecode=%02d:%02d:%02d type=%d, " | |
492 | "flags=0x%08d, frames=%d, userbits=0x%08x\n", | |
493 | tc->hours, tc->minutes, tc->seconds, | |
494 | tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); | |
495 | } | |
496 | ||
497 | static inline void dbgrect(struct video_device *vfd, char *s, | |
498 | struct v4l2_rect *r) | |
499 | { | |
500 | dbgarg2("%sRect start at %dx%d, size=%dx%d\n", s, r->left, r->top, | |
501 | r->width, r->height); | |
502 | }; | |
503 | ||
504 | static inline void v4l_print_pix_fmt(struct video_device *vfd, | |
505 | struct v4l2_pix_format *fmt) | |
506 | { | |
507 | dbgarg2("width=%d, height=%d, format=%c%c%c%c, field=%s, " | |
508 | "bytesperline=%d sizeimage=%d, colorspace=%d\n", | |
509 | fmt->width, fmt->height, | |
510 | (fmt->pixelformat & 0xff), | |
511 | (fmt->pixelformat >> 8) & 0xff, | |
512 | (fmt->pixelformat >> 16) & 0xff, | |
513 | (fmt->pixelformat >> 24) & 0xff, | |
514 | prt_names(fmt->field, v4l2_field_names), | |
515 | fmt->bytesperline, fmt->sizeimage, fmt->colorspace); | |
516 | }; | |
517 | ||
518 | static inline void v4l_print_ext_ctrls(unsigned int cmd, | |
519 | struct video_device *vfd, struct v4l2_ext_controls *c, int show_vals) | |
520 | { | |
521 | __u32 i; | |
522 | ||
523 | if (!(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) | |
524 | return; | |
525 | dbgarg(cmd, ""); | |
526 | printk(KERN_CONT "class=0x%x", c->ctrl_class); | |
527 | for (i = 0; i < c->count; i++) { | |
6b5a9492 | 528 | if (show_vals && !c->controls[i].size) |
35ea11ff HV |
529 | printk(KERN_CONT " id/val=0x%x/0x%x", |
530 | c->controls[i].id, c->controls[i].value); | |
531 | else | |
6b5a9492 HV |
532 | printk(KERN_CONT " id=0x%x,size=%u", |
533 | c->controls[i].id, c->controls[i].size); | |
35ea11ff HV |
534 | } |
535 | printk(KERN_CONT "\n"); | |
536 | }; | |
537 | ||
538 | static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) | |
539 | { | |
540 | __u32 i; | |
541 | ||
542 | /* zero the reserved fields */ | |
543 | c->reserved[0] = c->reserved[1] = 0; | |
6b5a9492 | 544 | for (i = 0; i < c->count; i++) |
35ea11ff | 545 | c->controls[i].reserved2[0] = 0; |
6b5a9492 | 546 | |
35ea11ff HV |
547 | /* V4L2_CID_PRIVATE_BASE cannot be used as control class |
548 | when using extended controls. | |
549 | Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL | |
550 | is it allowed for backwards compatibility. | |
551 | */ | |
552 | if (!allow_priv && c->ctrl_class == V4L2_CID_PRIVATE_BASE) | |
553 | return 0; | |
554 | /* Check that all controls are from the same control class. */ | |
555 | for (i = 0; i < c->count; i++) { | |
556 | if (V4L2_CTRL_ID2CLASS(c->controls[i].id) != c->ctrl_class) { | |
557 | c->error_idx = i; | |
558 | return 0; | |
559 | } | |
560 | } | |
561 | return 1; | |
562 | } | |
563 | ||
a399810c | 564 | static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type) |
35ea11ff | 565 | { |
a399810c HV |
566 | if (ops == NULL) |
567 | return -EINVAL; | |
568 | ||
35ea11ff HV |
569 | switch (type) { |
570 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1175d613 | 571 | if (ops->vidioc_g_fmt_vid_cap) |
35ea11ff HV |
572 | return 0; |
573 | break; | |
574 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
1175d613 | 575 | if (ops->vidioc_g_fmt_vid_overlay) |
35ea11ff HV |
576 | return 0; |
577 | break; | |
578 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: | |
1175d613 | 579 | if (ops->vidioc_g_fmt_vid_out) |
35ea11ff HV |
580 | return 0; |
581 | break; | |
582 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: | |
1175d613 | 583 | if (ops->vidioc_g_fmt_vid_out_overlay) |
35ea11ff HV |
584 | return 0; |
585 | break; | |
586 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1175d613 | 587 | if (ops->vidioc_g_fmt_vbi_cap) |
35ea11ff HV |
588 | return 0; |
589 | break; | |
590 | case V4L2_BUF_TYPE_VBI_OUTPUT: | |
1175d613 | 591 | if (ops->vidioc_g_fmt_vbi_out) |
35ea11ff HV |
592 | return 0; |
593 | break; | |
594 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
1175d613 | 595 | if (ops->vidioc_g_fmt_sliced_vbi_cap) |
35ea11ff HV |
596 | return 0; |
597 | break; | |
598 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: | |
1175d613 | 599 | if (ops->vidioc_g_fmt_sliced_vbi_out) |
35ea11ff HV |
600 | return 0; |
601 | break; | |
602 | case V4L2_BUF_TYPE_PRIVATE: | |
1175d613 | 603 | if (ops->vidioc_g_fmt_type_private) |
35ea11ff HV |
604 | return 0; |
605 | break; | |
606 | } | |
607 | return -EINVAL; | |
608 | } | |
609 | ||
069b7479 | 610 | static long __video_do_ioctl(struct file *file, |
35ea11ff HV |
611 | unsigned int cmd, void *arg) |
612 | { | |
613 | struct video_device *vfd = video_devdata(file); | |
a399810c | 614 | const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; |
d5fbf32f | 615 | void *fh = file->private_data; |
069b7479 | 616 | long ret = -EINVAL; |
35ea11ff | 617 | |
6a717883 HV |
618 | if (ops == NULL) { |
619 | printk(KERN_WARNING "videodev: \"%s\" has no ioctl_ops.\n", | |
620 | vfd->name); | |
621 | return -EINVAL; | |
622 | } | |
623 | ||
624 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
625 | /******************************************************** | |
626 | All other V4L1 calls are handled by v4l1_compat module. | |
627 | Those calls will be translated into V4L2 calls, and | |
628 | __video_do_ioctl will be called again, with one or more | |
629 | V4L2 ioctls. | |
630 | ********************************************************/ | |
631 | if (_IOC_TYPE(cmd) == 'v' && cmd != VIDIOCGMBUF && | |
632 | _IOC_NR(cmd) < BASE_VIDIOCPRIVATE) { | |
633 | return v4l_compat_translate_ioctl(file, cmd, arg, | |
634 | __video_do_ioctl); | |
635 | } | |
636 | #endif | |
637 | ||
35ea11ff HV |
638 | if ((vfd->debug & V4L2_DEBUG_IOCTL) && |
639 | !(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) { | |
640 | v4l_print_ioctl(vfd->name, cmd); | |
641 | printk(KERN_CONT "\n"); | |
642 | } | |
643 | ||
6a717883 | 644 | switch (cmd) { |
a399810c | 645 | |
35ea11ff HV |
646 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
647 | /*********************************************************** | |
648 | Handles calls to the obsoleted V4L1 API | |
649 | Due to the nature of VIDIOCGMBUF, each driver that supports | |
650 | V4L1 should implement its own handler for this ioctl. | |
651 | ***********************************************************/ | |
652 | ||
653 | /* --- streaming capture ------------------------------------- */ | |
6a717883 HV |
654 | case VIDIOCGMBUF: |
655 | { | |
35ea11ff HV |
656 | struct video_mbuf *p = arg; |
657 | ||
a399810c | 658 | if (!ops->vidiocgmbuf) |
6a717883 | 659 | break; |
a399810c | 660 | ret = ops->vidiocgmbuf(file, fh, p); |
35ea11ff HV |
661 | if (!ret) |
662 | dbgarg(cmd, "size=%d, frames=%d, offsets=0x%08lx\n", | |
663 | p->size, p->frames, | |
664 | (unsigned long)p->offsets); | |
6a717883 | 665 | break; |
35ea11ff | 666 | } |
35ea11ff HV |
667 | #endif |
668 | ||
35ea11ff HV |
669 | /* --- capabilities ------------------------------------------ */ |
670 | case VIDIOC_QUERYCAP: | |
671 | { | |
672 | struct v4l2_capability *cap = (struct v4l2_capability *)arg; | |
35ea11ff | 673 | |
a399810c | 674 | if (!ops->vidioc_querycap) |
35ea11ff HV |
675 | break; |
676 | ||
a399810c | 677 | ret = ops->vidioc_querycap(file, fh, cap); |
35ea11ff HV |
678 | if (!ret) |
679 | dbgarg(cmd, "driver=%s, card=%s, bus=%s, " | |
680 | "version=0x%08x, " | |
681 | "capabilities=0x%08x\n", | |
682 | cap->driver, cap->card, cap->bus_info, | |
683 | cap->version, | |
684 | cap->capabilities); | |
685 | break; | |
686 | } | |
687 | ||
688 | /* --- priority ------------------------------------------ */ | |
689 | case VIDIOC_G_PRIORITY: | |
690 | { | |
691 | enum v4l2_priority *p = arg; | |
692 | ||
a399810c | 693 | if (!ops->vidioc_g_priority) |
35ea11ff | 694 | break; |
a399810c | 695 | ret = ops->vidioc_g_priority(file, fh, p); |
35ea11ff HV |
696 | if (!ret) |
697 | dbgarg(cmd, "priority is %d\n", *p); | |
698 | break; | |
699 | } | |
700 | case VIDIOC_S_PRIORITY: | |
701 | { | |
702 | enum v4l2_priority *p = arg; | |
703 | ||
a399810c | 704 | if (!ops->vidioc_s_priority) |
35ea11ff HV |
705 | break; |
706 | dbgarg(cmd, "setting priority to %d\n", *p); | |
a399810c | 707 | ret = ops->vidioc_s_priority(file, fh, *p); |
35ea11ff HV |
708 | break; |
709 | } | |
710 | ||
711 | /* --- capture ioctls ---------------------------------------- */ | |
712 | case VIDIOC_ENUM_FMT: | |
713 | { | |
714 | struct v4l2_fmtdesc *f = arg; | |
35ea11ff | 715 | |
19c96e4b | 716 | switch (f->type) { |
35ea11ff | 717 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
a399810c HV |
718 | if (ops->vidioc_enum_fmt_vid_cap) |
719 | ret = ops->vidioc_enum_fmt_vid_cap(file, fh, f); | |
35ea11ff HV |
720 | break; |
721 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
a399810c HV |
722 | if (ops->vidioc_enum_fmt_vid_overlay) |
723 | ret = ops->vidioc_enum_fmt_vid_overlay(file, | |
35ea11ff HV |
724 | fh, f); |
725 | break; | |
35ea11ff | 726 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
a399810c HV |
727 | if (ops->vidioc_enum_fmt_vid_out) |
728 | ret = ops->vidioc_enum_fmt_vid_out(file, fh, f); | |
35ea11ff HV |
729 | break; |
730 | case V4L2_BUF_TYPE_PRIVATE: | |
a399810c HV |
731 | if (ops->vidioc_enum_fmt_type_private) |
732 | ret = ops->vidioc_enum_fmt_type_private(file, | |
35ea11ff HV |
733 | fh, f); |
734 | break; | |
735 | default: | |
736 | break; | |
737 | } | |
738 | if (!ret) | |
739 | dbgarg(cmd, "index=%d, type=%d, flags=%d, " | |
740 | "pixelformat=%c%c%c%c, description='%s'\n", | |
741 | f->index, f->type, f->flags, | |
742 | (f->pixelformat & 0xff), | |
743 | (f->pixelformat >> 8) & 0xff, | |
744 | (f->pixelformat >> 16) & 0xff, | |
745 | (f->pixelformat >> 24) & 0xff, | |
746 | f->description); | |
747 | break; | |
748 | } | |
749 | case VIDIOC_G_FMT: | |
750 | { | |
751 | struct v4l2_format *f = (struct v4l2_format *)arg; | |
752 | ||
35ea11ff HV |
753 | /* FIXME: Should be one dump per type */ |
754 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); | |
755 | ||
756 | switch (f->type) { | |
757 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
a399810c HV |
758 | if (ops->vidioc_g_fmt_vid_cap) |
759 | ret = ops->vidioc_g_fmt_vid_cap(file, fh, f); | |
35ea11ff HV |
760 | if (!ret) |
761 | v4l_print_pix_fmt(vfd, &f->fmt.pix); | |
762 | break; | |
763 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
a399810c HV |
764 | if (ops->vidioc_g_fmt_vid_overlay) |
765 | ret = ops->vidioc_g_fmt_vid_overlay(file, | |
35ea11ff HV |
766 | fh, f); |
767 | break; | |
768 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: | |
a399810c HV |
769 | if (ops->vidioc_g_fmt_vid_out) |
770 | ret = ops->vidioc_g_fmt_vid_out(file, fh, f); | |
35ea11ff HV |
771 | if (!ret) |
772 | v4l_print_pix_fmt(vfd, &f->fmt.pix); | |
773 | break; | |
774 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: | |
a399810c HV |
775 | if (ops->vidioc_g_fmt_vid_out_overlay) |
776 | ret = ops->vidioc_g_fmt_vid_out_overlay(file, | |
35ea11ff HV |
777 | fh, f); |
778 | break; | |
779 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
a399810c HV |
780 | if (ops->vidioc_g_fmt_vbi_cap) |
781 | ret = ops->vidioc_g_fmt_vbi_cap(file, fh, f); | |
35ea11ff HV |
782 | break; |
783 | case V4L2_BUF_TYPE_VBI_OUTPUT: | |
a399810c HV |
784 | if (ops->vidioc_g_fmt_vbi_out) |
785 | ret = ops->vidioc_g_fmt_vbi_out(file, fh, f); | |
35ea11ff HV |
786 | break; |
787 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
a399810c HV |
788 | if (ops->vidioc_g_fmt_sliced_vbi_cap) |
789 | ret = ops->vidioc_g_fmt_sliced_vbi_cap(file, | |
35ea11ff HV |
790 | fh, f); |
791 | break; | |
792 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: | |
a399810c HV |
793 | if (ops->vidioc_g_fmt_sliced_vbi_out) |
794 | ret = ops->vidioc_g_fmt_sliced_vbi_out(file, | |
35ea11ff HV |
795 | fh, f); |
796 | break; | |
797 | case V4L2_BUF_TYPE_PRIVATE: | |
a399810c HV |
798 | if (ops->vidioc_g_fmt_type_private) |
799 | ret = ops->vidioc_g_fmt_type_private(file, | |
35ea11ff HV |
800 | fh, f); |
801 | break; | |
802 | } | |
803 | ||
804 | break; | |
805 | } | |
806 | case VIDIOC_S_FMT: | |
807 | { | |
808 | struct v4l2_format *f = (struct v4l2_format *)arg; | |
809 | ||
810 | /* FIXME: Should be one dump per type */ | |
811 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); | |
812 | ||
813 | switch (f->type) { | |
814 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
7ecc0cf9 | 815 | CLEAR_AFTER_FIELD(f, fmt.pix); |
35ea11ff | 816 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
a399810c HV |
817 | if (ops->vidioc_s_fmt_vid_cap) |
818 | ret = ops->vidioc_s_fmt_vid_cap(file, fh, f); | |
35ea11ff HV |
819 | break; |
820 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
7ecc0cf9 | 821 | CLEAR_AFTER_FIELD(f, fmt.win); |
a399810c HV |
822 | if (ops->vidioc_s_fmt_vid_overlay) |
823 | ret = ops->vidioc_s_fmt_vid_overlay(file, | |
35ea11ff HV |
824 | fh, f); |
825 | break; | |
826 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: | |
7ecc0cf9 | 827 | CLEAR_AFTER_FIELD(f, fmt.pix); |
35ea11ff | 828 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
a399810c HV |
829 | if (ops->vidioc_s_fmt_vid_out) |
830 | ret = ops->vidioc_s_fmt_vid_out(file, fh, f); | |
35ea11ff HV |
831 | break; |
832 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: | |
7ecc0cf9 | 833 | CLEAR_AFTER_FIELD(f, fmt.win); |
a399810c HV |
834 | if (ops->vidioc_s_fmt_vid_out_overlay) |
835 | ret = ops->vidioc_s_fmt_vid_out_overlay(file, | |
35ea11ff HV |
836 | fh, f); |
837 | break; | |
838 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
7ecc0cf9 | 839 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
a399810c HV |
840 | if (ops->vidioc_s_fmt_vbi_cap) |
841 | ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f); | |
35ea11ff HV |
842 | break; |
843 | case V4L2_BUF_TYPE_VBI_OUTPUT: | |
7ecc0cf9 | 844 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
a399810c HV |
845 | if (ops->vidioc_s_fmt_vbi_out) |
846 | ret = ops->vidioc_s_fmt_vbi_out(file, fh, f); | |
35ea11ff HV |
847 | break; |
848 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
7ecc0cf9 | 849 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
a399810c HV |
850 | if (ops->vidioc_s_fmt_sliced_vbi_cap) |
851 | ret = ops->vidioc_s_fmt_sliced_vbi_cap(file, | |
35ea11ff HV |
852 | fh, f); |
853 | break; | |
854 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: | |
7ecc0cf9 | 855 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
a399810c HV |
856 | if (ops->vidioc_s_fmt_sliced_vbi_out) |
857 | ret = ops->vidioc_s_fmt_sliced_vbi_out(file, | |
35ea11ff HV |
858 | fh, f); |
859 | break; | |
860 | case V4L2_BUF_TYPE_PRIVATE: | |
7ecc0cf9 | 861 | /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ |
a399810c HV |
862 | if (ops->vidioc_s_fmt_type_private) |
863 | ret = ops->vidioc_s_fmt_type_private(file, | |
35ea11ff HV |
864 | fh, f); |
865 | break; | |
866 | } | |
867 | break; | |
868 | } | |
869 | case VIDIOC_TRY_FMT: | |
870 | { | |
871 | struct v4l2_format *f = (struct v4l2_format *)arg; | |
872 | ||
873 | /* FIXME: Should be one dump per type */ | |
874 | dbgarg(cmd, "type=%s\n", prt_names(f->type, | |
875 | v4l2_type_names)); | |
876 | switch (f->type) { | |
877 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
7ecc0cf9 | 878 | CLEAR_AFTER_FIELD(f, fmt.pix); |
a399810c HV |
879 | if (ops->vidioc_try_fmt_vid_cap) |
880 | ret = ops->vidioc_try_fmt_vid_cap(file, fh, f); | |
35ea11ff HV |
881 | if (!ret) |
882 | v4l_print_pix_fmt(vfd, &f->fmt.pix); | |
883 | break; | |
884 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
7ecc0cf9 | 885 | CLEAR_AFTER_FIELD(f, fmt.win); |
a399810c HV |
886 | if (ops->vidioc_try_fmt_vid_overlay) |
887 | ret = ops->vidioc_try_fmt_vid_overlay(file, | |
35ea11ff HV |
888 | fh, f); |
889 | break; | |
890 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: | |
7ecc0cf9 | 891 | CLEAR_AFTER_FIELD(f, fmt.pix); |
a399810c HV |
892 | if (ops->vidioc_try_fmt_vid_out) |
893 | ret = ops->vidioc_try_fmt_vid_out(file, fh, f); | |
35ea11ff HV |
894 | if (!ret) |
895 | v4l_print_pix_fmt(vfd, &f->fmt.pix); | |
896 | break; | |
897 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: | |
7ecc0cf9 | 898 | CLEAR_AFTER_FIELD(f, fmt.win); |
a399810c HV |
899 | if (ops->vidioc_try_fmt_vid_out_overlay) |
900 | ret = ops->vidioc_try_fmt_vid_out_overlay(file, | |
35ea11ff HV |
901 | fh, f); |
902 | break; | |
903 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
7ecc0cf9 | 904 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
a399810c HV |
905 | if (ops->vidioc_try_fmt_vbi_cap) |
906 | ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f); | |
35ea11ff HV |
907 | break; |
908 | case V4L2_BUF_TYPE_VBI_OUTPUT: | |
7ecc0cf9 | 909 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
a399810c HV |
910 | if (ops->vidioc_try_fmt_vbi_out) |
911 | ret = ops->vidioc_try_fmt_vbi_out(file, fh, f); | |
35ea11ff HV |
912 | break; |
913 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
7ecc0cf9 | 914 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
a399810c HV |
915 | if (ops->vidioc_try_fmt_sliced_vbi_cap) |
916 | ret = ops->vidioc_try_fmt_sliced_vbi_cap(file, | |
35ea11ff HV |
917 | fh, f); |
918 | break; | |
919 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: | |
7ecc0cf9 | 920 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
a399810c HV |
921 | if (ops->vidioc_try_fmt_sliced_vbi_out) |
922 | ret = ops->vidioc_try_fmt_sliced_vbi_out(file, | |
35ea11ff HV |
923 | fh, f); |
924 | break; | |
925 | case V4L2_BUF_TYPE_PRIVATE: | |
7ecc0cf9 | 926 | /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ |
a399810c HV |
927 | if (ops->vidioc_try_fmt_type_private) |
928 | ret = ops->vidioc_try_fmt_type_private(file, | |
35ea11ff HV |
929 | fh, f); |
930 | break; | |
931 | } | |
932 | ||
933 | break; | |
934 | } | |
935 | /* FIXME: Those buf reqs could be handled here, | |
936 | with some changes on videobuf to allow its header to be included at | |
937 | videodev2.h or being merged at videodev2. | |
938 | */ | |
939 | case VIDIOC_REQBUFS: | |
940 | { | |
941 | struct v4l2_requestbuffers *p = arg; | |
942 | ||
a399810c | 943 | if (!ops->vidioc_reqbufs) |
35ea11ff | 944 | break; |
a399810c | 945 | ret = check_fmt(ops, p->type); |
35ea11ff HV |
946 | if (ret) |
947 | break; | |
948 | ||
7ecc0cf9 TP |
949 | if (p->type < V4L2_BUF_TYPE_PRIVATE) |
950 | CLEAR_AFTER_FIELD(p, memory); | |
951 | ||
a399810c | 952 | ret = ops->vidioc_reqbufs(file, fh, p); |
35ea11ff HV |
953 | dbgarg(cmd, "count=%d, type=%s, memory=%s\n", |
954 | p->count, | |
955 | prt_names(p->type, v4l2_type_names), | |
956 | prt_names(p->memory, v4l2_memory_names)); | |
957 | break; | |
958 | } | |
959 | case VIDIOC_QUERYBUF: | |
960 | { | |
961 | struct v4l2_buffer *p = arg; | |
962 | ||
a399810c | 963 | if (!ops->vidioc_querybuf) |
35ea11ff | 964 | break; |
a399810c | 965 | ret = check_fmt(ops, p->type); |
35ea11ff HV |
966 | if (ret) |
967 | break; | |
968 | ||
a399810c | 969 | ret = ops->vidioc_querybuf(file, fh, p); |
35ea11ff HV |
970 | if (!ret) |
971 | dbgbuf(cmd, vfd, p); | |
972 | break; | |
973 | } | |
974 | case VIDIOC_QBUF: | |
975 | { | |
976 | struct v4l2_buffer *p = arg; | |
977 | ||
a399810c | 978 | if (!ops->vidioc_qbuf) |
35ea11ff | 979 | break; |
a399810c | 980 | ret = check_fmt(ops, p->type); |
35ea11ff HV |
981 | if (ret) |
982 | break; | |
983 | ||
a399810c | 984 | ret = ops->vidioc_qbuf(file, fh, p); |
35ea11ff HV |
985 | if (!ret) |
986 | dbgbuf(cmd, vfd, p); | |
987 | break; | |
988 | } | |
989 | case VIDIOC_DQBUF: | |
990 | { | |
991 | struct v4l2_buffer *p = arg; | |
992 | ||
a399810c | 993 | if (!ops->vidioc_dqbuf) |
35ea11ff | 994 | break; |
a399810c | 995 | ret = check_fmt(ops, p->type); |
35ea11ff HV |
996 | if (ret) |
997 | break; | |
998 | ||
a399810c | 999 | ret = ops->vidioc_dqbuf(file, fh, p); |
35ea11ff HV |
1000 | if (!ret) |
1001 | dbgbuf(cmd, vfd, p); | |
1002 | break; | |
1003 | } | |
1004 | case VIDIOC_OVERLAY: | |
1005 | { | |
1006 | int *i = arg; | |
1007 | ||
a399810c | 1008 | if (!ops->vidioc_overlay) |
35ea11ff HV |
1009 | break; |
1010 | dbgarg(cmd, "value=%d\n", *i); | |
a399810c | 1011 | ret = ops->vidioc_overlay(file, fh, *i); |
35ea11ff HV |
1012 | break; |
1013 | } | |
1014 | case VIDIOC_G_FBUF: | |
1015 | { | |
1016 | struct v4l2_framebuffer *p = arg; | |
1017 | ||
a399810c | 1018 | if (!ops->vidioc_g_fbuf) |
35ea11ff | 1019 | break; |
a399810c | 1020 | ret = ops->vidioc_g_fbuf(file, fh, arg); |
35ea11ff HV |
1021 | if (!ret) { |
1022 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", | |
1023 | p->capability, p->flags, | |
1024 | (unsigned long)p->base); | |
1025 | v4l_print_pix_fmt(vfd, &p->fmt); | |
1026 | } | |
1027 | break; | |
1028 | } | |
1029 | case VIDIOC_S_FBUF: | |
1030 | { | |
1031 | struct v4l2_framebuffer *p = arg; | |
1032 | ||
a399810c | 1033 | if (!ops->vidioc_s_fbuf) |
35ea11ff HV |
1034 | break; |
1035 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", | |
1036 | p->capability, p->flags, (unsigned long)p->base); | |
1037 | v4l_print_pix_fmt(vfd, &p->fmt); | |
a399810c | 1038 | ret = ops->vidioc_s_fbuf(file, fh, arg); |
35ea11ff HV |
1039 | break; |
1040 | } | |
1041 | case VIDIOC_STREAMON: | |
1042 | { | |
1043 | enum v4l2_buf_type i = *(int *)arg; | |
1044 | ||
a399810c | 1045 | if (!ops->vidioc_streamon) |
35ea11ff HV |
1046 | break; |
1047 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); | |
a399810c | 1048 | ret = ops->vidioc_streamon(file, fh, i); |
35ea11ff HV |
1049 | break; |
1050 | } | |
1051 | case VIDIOC_STREAMOFF: | |
1052 | { | |
1053 | enum v4l2_buf_type i = *(int *)arg; | |
1054 | ||
a399810c | 1055 | if (!ops->vidioc_streamoff) |
35ea11ff HV |
1056 | break; |
1057 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); | |
a399810c | 1058 | ret = ops->vidioc_streamoff(file, fh, i); |
35ea11ff HV |
1059 | break; |
1060 | } | |
1061 | /* ---------- tv norms ---------- */ | |
1062 | case VIDIOC_ENUMSTD: | |
1063 | { | |
1064 | struct v4l2_standard *p = arg; | |
1065 | v4l2_std_id id = vfd->tvnorms, curr_id = 0; | |
1066 | unsigned int index = p->index, i, j = 0; | |
1067 | const char *descr = ""; | |
1068 | ||
1069 | /* Return norm array in a canonical way */ | |
1070 | for (i = 0; i <= index && id; i++) { | |
1071 | /* last std value in the standards array is 0, so this | |
1072 | while always ends there since (id & 0) == 0. */ | |
1073 | while ((id & standards[j].std) != standards[j].std) | |
1074 | j++; | |
1075 | curr_id = standards[j].std; | |
1076 | descr = standards[j].descr; | |
1077 | j++; | |
1078 | if (curr_id == 0) | |
1079 | break; | |
1080 | if (curr_id != V4L2_STD_PAL && | |
1081 | curr_id != V4L2_STD_SECAM && | |
1082 | curr_id != V4L2_STD_NTSC) | |
1083 | id &= ~curr_id; | |
1084 | } | |
1085 | if (i <= index) | |
3f5e1824 | 1086 | break; |
35ea11ff HV |
1087 | |
1088 | v4l2_video_std_construct(p, curr_id, descr); | |
35ea11ff HV |
1089 | |
1090 | dbgarg(cmd, "index=%d, id=0x%Lx, name=%s, fps=%d/%d, " | |
1091 | "framelines=%d\n", p->index, | |
1092 | (unsigned long long)p->id, p->name, | |
1093 | p->frameperiod.numerator, | |
1094 | p->frameperiod.denominator, | |
1095 | p->framelines); | |
1096 | ||
1097 | ret = 0; | |
1098 | break; | |
1099 | } | |
1100 | case VIDIOC_G_STD: | |
1101 | { | |
1102 | v4l2_std_id *id = arg; | |
1103 | ||
1104 | ret = 0; | |
1105 | /* Calls the specific handler */ | |
a399810c HV |
1106 | if (ops->vidioc_g_std) |
1107 | ret = ops->vidioc_g_std(file, fh, id); | |
9bedc7f7 | 1108 | else if (vfd->current_norm) |
35ea11ff | 1109 | *id = vfd->current_norm; |
9bedc7f7 HV |
1110 | else |
1111 | ret = -EINVAL; | |
35ea11ff HV |
1112 | |
1113 | if (!ret) | |
1114 | dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id); | |
1115 | break; | |
1116 | } | |
1117 | case VIDIOC_S_STD: | |
1118 | { | |
1119 | v4l2_std_id *id = arg, norm; | |
1120 | ||
1121 | dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id); | |
1122 | ||
1123 | norm = (*id) & vfd->tvnorms; | |
1124 | if (vfd->tvnorms && !norm) /* Check if std is supported */ | |
1125 | break; | |
1126 | ||
1127 | /* Calls the specific handler */ | |
a399810c HV |
1128 | if (ops->vidioc_s_std) |
1129 | ret = ops->vidioc_s_std(file, fh, &norm); | |
35ea11ff HV |
1130 | else |
1131 | ret = -EINVAL; | |
1132 | ||
1133 | /* Updates standard information */ | |
1134 | if (ret >= 0) | |
1135 | vfd->current_norm = norm; | |
1136 | break; | |
1137 | } | |
1138 | case VIDIOC_QUERYSTD: | |
1139 | { | |
1140 | v4l2_std_id *p = arg; | |
1141 | ||
a399810c | 1142 | if (!ops->vidioc_querystd) |
35ea11ff | 1143 | break; |
a399810c | 1144 | ret = ops->vidioc_querystd(file, fh, arg); |
35ea11ff HV |
1145 | if (!ret) |
1146 | dbgarg(cmd, "detected std=%08Lx\n", | |
1147 | (unsigned long long)*p); | |
1148 | break; | |
1149 | } | |
1150 | /* ------ input switching ---------- */ | |
1151 | /* FIXME: Inputs can be handled inside videodev2 */ | |
1152 | case VIDIOC_ENUMINPUT: | |
1153 | { | |
1154 | struct v4l2_input *p = arg; | |
35ea11ff | 1155 | |
b6456c0c MK |
1156 | /* |
1157 | * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & | |
1158 | * CAP_STD here based on ioctl handler provided by the | |
1159 | * driver. If the driver doesn't support these | |
1160 | * for a specific input, it must override these flags. | |
1161 | */ | |
1162 | if (ops->vidioc_s_std) | |
1163 | p->capabilities |= V4L2_IN_CAP_STD; | |
1164 | if (ops->vidioc_s_dv_preset) | |
1165 | p->capabilities |= V4L2_IN_CAP_PRESETS; | |
1166 | if (ops->vidioc_s_dv_timings) | |
1167 | p->capabilities |= V4L2_IN_CAP_CUSTOM_TIMINGS; | |
1168 | ||
a399810c | 1169 | if (!ops->vidioc_enum_input) |
35ea11ff | 1170 | break; |
35ea11ff | 1171 | |
a399810c | 1172 | ret = ops->vidioc_enum_input(file, fh, p); |
35ea11ff HV |
1173 | if (!ret) |
1174 | dbgarg(cmd, "index=%d, name=%s, type=%d, " | |
1175 | "audioset=%d, " | |
1176 | "tuner=%d, std=%08Lx, status=%d\n", | |
1177 | p->index, p->name, p->type, p->audioset, | |
1178 | p->tuner, | |
1179 | (unsigned long long)p->std, | |
1180 | p->status); | |
1181 | break; | |
1182 | } | |
1183 | case VIDIOC_G_INPUT: | |
1184 | { | |
1185 | unsigned int *i = arg; | |
1186 | ||
a399810c | 1187 | if (!ops->vidioc_g_input) |
35ea11ff | 1188 | break; |
a399810c | 1189 | ret = ops->vidioc_g_input(file, fh, i); |
35ea11ff HV |
1190 | if (!ret) |
1191 | dbgarg(cmd, "value=%d\n", *i); | |
1192 | break; | |
1193 | } | |
1194 | case VIDIOC_S_INPUT: | |
1195 | { | |
1196 | unsigned int *i = arg; | |
1197 | ||
a399810c | 1198 | if (!ops->vidioc_s_input) |
35ea11ff HV |
1199 | break; |
1200 | dbgarg(cmd, "value=%d\n", *i); | |
a399810c | 1201 | ret = ops->vidioc_s_input(file, fh, *i); |
35ea11ff HV |
1202 | break; |
1203 | } | |
1204 | ||
1205 | /* ------ output switching ---------- */ | |
1206 | case VIDIOC_ENUMOUTPUT: | |
1207 | { | |
1208 | struct v4l2_output *p = arg; | |
35ea11ff | 1209 | |
a399810c | 1210 | if (!ops->vidioc_enum_output) |
35ea11ff | 1211 | break; |
35ea11ff | 1212 | |
b6456c0c MK |
1213 | /* |
1214 | * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & | |
1215 | * CAP_STD here based on ioctl handler provided by the | |
1216 | * driver. If the driver doesn't support these | |
1217 | * for a specific output, it must override these flags. | |
1218 | */ | |
1219 | if (ops->vidioc_s_std) | |
1220 | p->capabilities |= V4L2_OUT_CAP_STD; | |
1221 | if (ops->vidioc_s_dv_preset) | |
1222 | p->capabilities |= V4L2_OUT_CAP_PRESETS; | |
1223 | if (ops->vidioc_s_dv_timings) | |
1224 | p->capabilities |= V4L2_OUT_CAP_CUSTOM_TIMINGS; | |
1225 | ||
a399810c | 1226 | ret = ops->vidioc_enum_output(file, fh, p); |
35ea11ff HV |
1227 | if (!ret) |
1228 | dbgarg(cmd, "index=%d, name=%s, type=%d, " | |
1229 | "audioset=0x%x, " | |
1230 | "modulator=%d, std=0x%08Lx\n", | |
1231 | p->index, p->name, p->type, p->audioset, | |
1232 | p->modulator, (unsigned long long)p->std); | |
1233 | break; | |
1234 | } | |
1235 | case VIDIOC_G_OUTPUT: | |
1236 | { | |
1237 | unsigned int *i = arg; | |
1238 | ||
a399810c | 1239 | if (!ops->vidioc_g_output) |
35ea11ff | 1240 | break; |
a399810c | 1241 | ret = ops->vidioc_g_output(file, fh, i); |
35ea11ff HV |
1242 | if (!ret) |
1243 | dbgarg(cmd, "value=%d\n", *i); | |
1244 | break; | |
1245 | } | |
1246 | case VIDIOC_S_OUTPUT: | |
1247 | { | |
1248 | unsigned int *i = arg; | |
1249 | ||
a399810c | 1250 | if (!ops->vidioc_s_output) |
35ea11ff HV |
1251 | break; |
1252 | dbgarg(cmd, "value=%d\n", *i); | |
a399810c | 1253 | ret = ops->vidioc_s_output(file, fh, *i); |
35ea11ff HV |
1254 | break; |
1255 | } | |
1256 | ||
1257 | /* --- controls ---------------------------------------------- */ | |
1258 | case VIDIOC_QUERYCTRL: | |
1259 | { | |
1260 | struct v4l2_queryctrl *p = arg; | |
1261 | ||
a399810c | 1262 | if (!ops->vidioc_queryctrl) |
35ea11ff | 1263 | break; |
a399810c | 1264 | ret = ops->vidioc_queryctrl(file, fh, p); |
35ea11ff HV |
1265 | if (!ret) |
1266 | dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, " | |
1267 | "step=%d, default=%d, flags=0x%08x\n", | |
1268 | p->id, p->type, p->name, | |
1269 | p->minimum, p->maximum, | |
1270 | p->step, p->default_value, p->flags); | |
1271 | else | |
1272 | dbgarg(cmd, "id=0x%x\n", p->id); | |
1273 | break; | |
1274 | } | |
1275 | case VIDIOC_G_CTRL: | |
1276 | { | |
1277 | struct v4l2_control *p = arg; | |
1278 | ||
a399810c HV |
1279 | if (ops->vidioc_g_ctrl) |
1280 | ret = ops->vidioc_g_ctrl(file, fh, p); | |
1281 | else if (ops->vidioc_g_ext_ctrls) { | |
35ea11ff HV |
1282 | struct v4l2_ext_controls ctrls; |
1283 | struct v4l2_ext_control ctrl; | |
1284 | ||
1285 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); | |
1286 | ctrls.count = 1; | |
1287 | ctrls.controls = &ctrl; | |
1288 | ctrl.id = p->id; | |
1289 | ctrl.value = p->value; | |
1290 | if (check_ext_ctrls(&ctrls, 1)) { | |
a399810c | 1291 | ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); |
35ea11ff HV |
1292 | if (ret == 0) |
1293 | p->value = ctrl.value; | |
1294 | } | |
1295 | } else | |
1296 | break; | |
1297 | if (!ret) | |
1298 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); | |
1299 | else | |
1300 | dbgarg(cmd, "id=0x%x\n", p->id); | |
1301 | break; | |
1302 | } | |
1303 | case VIDIOC_S_CTRL: | |
1304 | { | |
1305 | struct v4l2_control *p = arg; | |
1306 | struct v4l2_ext_controls ctrls; | |
1307 | struct v4l2_ext_control ctrl; | |
1308 | ||
a399810c | 1309 | if (!ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls) |
35ea11ff HV |
1310 | break; |
1311 | ||
1312 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); | |
1313 | ||
a399810c HV |
1314 | if (ops->vidioc_s_ctrl) { |
1315 | ret = ops->vidioc_s_ctrl(file, fh, p); | |
35ea11ff HV |
1316 | break; |
1317 | } | |
a399810c | 1318 | if (!ops->vidioc_s_ext_ctrls) |
35ea11ff HV |
1319 | break; |
1320 | ||
1321 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); | |
1322 | ctrls.count = 1; | |
1323 | ctrls.controls = &ctrl; | |
1324 | ctrl.id = p->id; | |
1325 | ctrl.value = p->value; | |
1326 | if (check_ext_ctrls(&ctrls, 1)) | |
a399810c | 1327 | ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls); |
35ea11ff HV |
1328 | break; |
1329 | } | |
1330 | case VIDIOC_G_EXT_CTRLS: | |
1331 | { | |
1332 | struct v4l2_ext_controls *p = arg; | |
1333 | ||
1334 | p->error_idx = p->count; | |
a399810c | 1335 | if (!ops->vidioc_g_ext_ctrls) |
35ea11ff HV |
1336 | break; |
1337 | if (check_ext_ctrls(p, 0)) | |
a399810c | 1338 | ret = ops->vidioc_g_ext_ctrls(file, fh, p); |
35ea11ff HV |
1339 | v4l_print_ext_ctrls(cmd, vfd, p, !ret); |
1340 | break; | |
1341 | } | |
1342 | case VIDIOC_S_EXT_CTRLS: | |
1343 | { | |
1344 | struct v4l2_ext_controls *p = arg; | |
1345 | ||
1346 | p->error_idx = p->count; | |
a399810c | 1347 | if (!ops->vidioc_s_ext_ctrls) |
35ea11ff HV |
1348 | break; |
1349 | v4l_print_ext_ctrls(cmd, vfd, p, 1); | |
1350 | if (check_ext_ctrls(p, 0)) | |
a399810c | 1351 | ret = ops->vidioc_s_ext_ctrls(file, fh, p); |
35ea11ff HV |
1352 | break; |
1353 | } | |
1354 | case VIDIOC_TRY_EXT_CTRLS: | |
1355 | { | |
1356 | struct v4l2_ext_controls *p = arg; | |
1357 | ||
1358 | p->error_idx = p->count; | |
a399810c | 1359 | if (!ops->vidioc_try_ext_ctrls) |
35ea11ff HV |
1360 | break; |
1361 | v4l_print_ext_ctrls(cmd, vfd, p, 1); | |
1362 | if (check_ext_ctrls(p, 0)) | |
a399810c | 1363 | ret = ops->vidioc_try_ext_ctrls(file, fh, p); |
35ea11ff HV |
1364 | break; |
1365 | } | |
1366 | case VIDIOC_QUERYMENU: | |
1367 | { | |
1368 | struct v4l2_querymenu *p = arg; | |
1369 | ||
a399810c | 1370 | if (!ops->vidioc_querymenu) |
35ea11ff | 1371 | break; |
a399810c | 1372 | ret = ops->vidioc_querymenu(file, fh, p); |
35ea11ff HV |
1373 | if (!ret) |
1374 | dbgarg(cmd, "id=0x%x, index=%d, name=%s\n", | |
1375 | p->id, p->index, p->name); | |
1376 | else | |
1377 | dbgarg(cmd, "id=0x%x, index=%d\n", | |
1378 | p->id, p->index); | |
1379 | break; | |
1380 | } | |
1381 | /* --- audio ---------------------------------------------- */ | |
1382 | case VIDIOC_ENUMAUDIO: | |
1383 | { | |
1384 | struct v4l2_audio *p = arg; | |
1385 | ||
a399810c | 1386 | if (!ops->vidioc_enumaudio) |
35ea11ff | 1387 | break; |
a399810c | 1388 | ret = ops->vidioc_enumaudio(file, fh, p); |
35ea11ff HV |
1389 | if (!ret) |
1390 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " | |
1391 | "mode=0x%x\n", p->index, p->name, | |
1392 | p->capability, p->mode); | |
1393 | else | |
1394 | dbgarg(cmd, "index=%d\n", p->index); | |
1395 | break; | |
1396 | } | |
1397 | case VIDIOC_G_AUDIO: | |
1398 | { | |
1399 | struct v4l2_audio *p = arg; | |
35ea11ff | 1400 | |
a399810c | 1401 | if (!ops->vidioc_g_audio) |
35ea11ff HV |
1402 | break; |
1403 | ||
a399810c | 1404 | ret = ops->vidioc_g_audio(file, fh, p); |
35ea11ff HV |
1405 | if (!ret) |
1406 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " | |
1407 | "mode=0x%x\n", p->index, | |
1408 | p->name, p->capability, p->mode); | |
1409 | else | |
1410 | dbgarg(cmd, "index=%d\n", p->index); | |
1411 | break; | |
1412 | } | |
1413 | case VIDIOC_S_AUDIO: | |
1414 | { | |
1415 | struct v4l2_audio *p = arg; | |
1416 | ||
a399810c | 1417 | if (!ops->vidioc_s_audio) |
35ea11ff HV |
1418 | break; |
1419 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " | |
1420 | "mode=0x%x\n", p->index, p->name, | |
1421 | p->capability, p->mode); | |
a399810c | 1422 | ret = ops->vidioc_s_audio(file, fh, p); |
35ea11ff HV |
1423 | break; |
1424 | } | |
1425 | case VIDIOC_ENUMAUDOUT: | |
1426 | { | |
1427 | struct v4l2_audioout *p = arg; | |
1428 | ||
a399810c | 1429 | if (!ops->vidioc_enumaudout) |
35ea11ff HV |
1430 | break; |
1431 | dbgarg(cmd, "Enum for index=%d\n", p->index); | |
a399810c | 1432 | ret = ops->vidioc_enumaudout(file, fh, p); |
35ea11ff HV |
1433 | if (!ret) |
1434 | dbgarg2("index=%d, name=%s, capability=%d, " | |
1435 | "mode=%d\n", p->index, p->name, | |
1436 | p->capability, p->mode); | |
1437 | break; | |
1438 | } | |
1439 | case VIDIOC_G_AUDOUT: | |
1440 | { | |
1441 | struct v4l2_audioout *p = arg; | |
1442 | ||
a399810c | 1443 | if (!ops->vidioc_g_audout) |
35ea11ff | 1444 | break; |
337f9d20 | 1445 | |
a399810c | 1446 | ret = ops->vidioc_g_audout(file, fh, p); |
35ea11ff HV |
1447 | if (!ret) |
1448 | dbgarg2("index=%d, name=%s, capability=%d, " | |
1449 | "mode=%d\n", p->index, p->name, | |
1450 | p->capability, p->mode); | |
1451 | break; | |
1452 | } | |
1453 | case VIDIOC_S_AUDOUT: | |
1454 | { | |
1455 | struct v4l2_audioout *p = arg; | |
1456 | ||
a399810c | 1457 | if (!ops->vidioc_s_audout) |
35ea11ff HV |
1458 | break; |
1459 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " | |
1460 | "mode=%d\n", p->index, p->name, | |
1461 | p->capability, p->mode); | |
1462 | ||
a399810c | 1463 | ret = ops->vidioc_s_audout(file, fh, p); |
35ea11ff HV |
1464 | break; |
1465 | } | |
1466 | case VIDIOC_G_MODULATOR: | |
1467 | { | |
1468 | struct v4l2_modulator *p = arg; | |
1469 | ||
a399810c | 1470 | if (!ops->vidioc_g_modulator) |
35ea11ff | 1471 | break; |
a399810c | 1472 | ret = ops->vidioc_g_modulator(file, fh, p); |
35ea11ff HV |
1473 | if (!ret) |
1474 | dbgarg(cmd, "index=%d, name=%s, " | |
1475 | "capability=%d, rangelow=%d," | |
1476 | " rangehigh=%d, txsubchans=%d\n", | |
1477 | p->index, p->name, p->capability, | |
1478 | p->rangelow, p->rangehigh, | |
1479 | p->txsubchans); | |
1480 | break; | |
1481 | } | |
1482 | case VIDIOC_S_MODULATOR: | |
1483 | { | |
1484 | struct v4l2_modulator *p = arg; | |
1485 | ||
a399810c | 1486 | if (!ops->vidioc_s_modulator) |
35ea11ff HV |
1487 | break; |
1488 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " | |
1489 | "rangelow=%d, rangehigh=%d, txsubchans=%d\n", | |
1490 | p->index, p->name, p->capability, p->rangelow, | |
1491 | p->rangehigh, p->txsubchans); | |
a399810c | 1492 | ret = ops->vidioc_s_modulator(file, fh, p); |
35ea11ff HV |
1493 | break; |
1494 | } | |
1495 | case VIDIOC_G_CROP: | |
1496 | { | |
1497 | struct v4l2_crop *p = arg; | |
1498 | ||
a399810c | 1499 | if (!ops->vidioc_g_crop) |
35ea11ff | 1500 | break; |
a56a18c3 | 1501 | |
35ea11ff | 1502 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
a399810c | 1503 | ret = ops->vidioc_g_crop(file, fh, p); |
35ea11ff HV |
1504 | if (!ret) |
1505 | dbgrect(vfd, "", &p->c); | |
1506 | break; | |
1507 | } | |
1508 | case VIDIOC_S_CROP: | |
1509 | { | |
1510 | struct v4l2_crop *p = arg; | |
1511 | ||
a399810c | 1512 | if (!ops->vidioc_s_crop) |
35ea11ff HV |
1513 | break; |
1514 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); | |
1515 | dbgrect(vfd, "", &p->c); | |
a399810c | 1516 | ret = ops->vidioc_s_crop(file, fh, p); |
35ea11ff HV |
1517 | break; |
1518 | } | |
1519 | case VIDIOC_CROPCAP: | |
1520 | { | |
1521 | struct v4l2_cropcap *p = arg; | |
1522 | ||
1523 | /*FIXME: Should also show v4l2_fract pixelaspect */ | |
a399810c | 1524 | if (!ops->vidioc_cropcap) |
35ea11ff | 1525 | break; |
a56a18c3 | 1526 | |
35ea11ff | 1527 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
a399810c | 1528 | ret = ops->vidioc_cropcap(file, fh, p); |
35ea11ff HV |
1529 | if (!ret) { |
1530 | dbgrect(vfd, "bounds ", &p->bounds); | |
1531 | dbgrect(vfd, "defrect ", &p->defrect); | |
1532 | } | |
1533 | break; | |
1534 | } | |
1535 | case VIDIOC_G_JPEGCOMP: | |
1536 | { | |
1537 | struct v4l2_jpegcompression *p = arg; | |
1538 | ||
a399810c | 1539 | if (!ops->vidioc_g_jpegcomp) |
35ea11ff | 1540 | break; |
a56a18c3 | 1541 | |
a399810c | 1542 | ret = ops->vidioc_g_jpegcomp(file, fh, p); |
35ea11ff HV |
1543 | if (!ret) |
1544 | dbgarg(cmd, "quality=%d, APPn=%d, " | |
1545 | "APP_len=%d, COM_len=%d, " | |
1546 | "jpeg_markers=%d\n", | |
1547 | p->quality, p->APPn, p->APP_len, | |
1548 | p->COM_len, p->jpeg_markers); | |
1549 | break; | |
1550 | } | |
1551 | case VIDIOC_S_JPEGCOMP: | |
1552 | { | |
1553 | struct v4l2_jpegcompression *p = arg; | |
1554 | ||
a399810c | 1555 | if (!ops->vidioc_g_jpegcomp) |
35ea11ff HV |
1556 | break; |
1557 | dbgarg(cmd, "quality=%d, APPn=%d, APP_len=%d, " | |
1558 | "COM_len=%d, jpeg_markers=%d\n", | |
1559 | p->quality, p->APPn, p->APP_len, | |
1560 | p->COM_len, p->jpeg_markers); | |
a399810c | 1561 | ret = ops->vidioc_s_jpegcomp(file, fh, p); |
35ea11ff HV |
1562 | break; |
1563 | } | |
1564 | case VIDIOC_G_ENC_INDEX: | |
1565 | { | |
1566 | struct v4l2_enc_idx *p = arg; | |
1567 | ||
a399810c | 1568 | if (!ops->vidioc_g_enc_index) |
35ea11ff | 1569 | break; |
a399810c | 1570 | ret = ops->vidioc_g_enc_index(file, fh, p); |
35ea11ff HV |
1571 | if (!ret) |
1572 | dbgarg(cmd, "entries=%d, entries_cap=%d\n", | |
1573 | p->entries, p->entries_cap); | |
1574 | break; | |
1575 | } | |
1576 | case VIDIOC_ENCODER_CMD: | |
1577 | { | |
1578 | struct v4l2_encoder_cmd *p = arg; | |
1579 | ||
a399810c | 1580 | if (!ops->vidioc_encoder_cmd) |
35ea11ff | 1581 | break; |
a399810c | 1582 | ret = ops->vidioc_encoder_cmd(file, fh, p); |
35ea11ff HV |
1583 | if (!ret) |
1584 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); | |
1585 | break; | |
1586 | } | |
1587 | case VIDIOC_TRY_ENCODER_CMD: | |
1588 | { | |
1589 | struct v4l2_encoder_cmd *p = arg; | |
1590 | ||
a399810c | 1591 | if (!ops->vidioc_try_encoder_cmd) |
35ea11ff | 1592 | break; |
a399810c | 1593 | ret = ops->vidioc_try_encoder_cmd(file, fh, p); |
35ea11ff HV |
1594 | if (!ret) |
1595 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); | |
1596 | break; | |
1597 | } | |
1598 | case VIDIOC_G_PARM: | |
1599 | { | |
1600 | struct v4l2_streamparm *p = arg; | |
35ea11ff | 1601 | |
a399810c | 1602 | if (ops->vidioc_g_parm) { |
34796bc0 TP |
1603 | ret = check_fmt(ops, p->type); |
1604 | if (ret) | |
1605 | break; | |
a399810c | 1606 | ret = ops->vidioc_g_parm(file, fh, p); |
35ea11ff | 1607 | } else { |
9bedc7f7 HV |
1608 | v4l2_std_id std = vfd->current_norm; |
1609 | ||
35ea11ff | 1610 | if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
3f5e1824 | 1611 | break; |
35ea11ff | 1612 | |
35ea11ff | 1613 | ret = 0; |
9bedc7f7 HV |
1614 | if (ops->vidioc_g_std) |
1615 | ret = ops->vidioc_g_std(file, fh, &std); | |
1616 | else if (std == 0) | |
1617 | ret = -EINVAL; | |
1618 | if (ret == 0) | |
1619 | v4l2_video_std_frame_period(std, | |
1620 | &p->parm.capture.timeperframe); | |
35ea11ff HV |
1621 | } |
1622 | ||
1623 | dbgarg(cmd, "type=%d\n", p->type); | |
1624 | break; | |
1625 | } | |
1626 | case VIDIOC_S_PARM: | |
1627 | { | |
1628 | struct v4l2_streamparm *p = arg; | |
1629 | ||
a399810c | 1630 | if (!ops->vidioc_s_parm) |
35ea11ff | 1631 | break; |
34796bc0 TP |
1632 | ret = check_fmt(ops, p->type); |
1633 | if (ret) | |
1634 | break; | |
1635 | ||
35ea11ff | 1636 | dbgarg(cmd, "type=%d\n", p->type); |
a399810c | 1637 | ret = ops->vidioc_s_parm(file, fh, p); |
35ea11ff HV |
1638 | break; |
1639 | } | |
1640 | case VIDIOC_G_TUNER: | |
1641 | { | |
1642 | struct v4l2_tuner *p = arg; | |
35ea11ff | 1643 | |
a399810c | 1644 | if (!ops->vidioc_g_tuner) |
35ea11ff HV |
1645 | break; |
1646 | ||
a399810c | 1647 | ret = ops->vidioc_g_tuner(file, fh, p); |
35ea11ff HV |
1648 | if (!ret) |
1649 | dbgarg(cmd, "index=%d, name=%s, type=%d, " | |
1650 | "capability=0x%x, rangelow=%d, " | |
1651 | "rangehigh=%d, signal=%d, afc=%d, " | |
1652 | "rxsubchans=0x%x, audmode=%d\n", | |
1653 | p->index, p->name, p->type, | |
1654 | p->capability, p->rangelow, | |
1655 | p->rangehigh, p->signal, p->afc, | |
1656 | p->rxsubchans, p->audmode); | |
1657 | break; | |
1658 | } | |
1659 | case VIDIOC_S_TUNER: | |
1660 | { | |
1661 | struct v4l2_tuner *p = arg; | |
1662 | ||
a399810c | 1663 | if (!ops->vidioc_s_tuner) |
35ea11ff HV |
1664 | break; |
1665 | dbgarg(cmd, "index=%d, name=%s, type=%d, " | |
1666 | "capability=0x%x, rangelow=%d, " | |
1667 | "rangehigh=%d, signal=%d, afc=%d, " | |
1668 | "rxsubchans=0x%x, audmode=%d\n", | |
1669 | p->index, p->name, p->type, | |
1670 | p->capability, p->rangelow, | |
1671 | p->rangehigh, p->signal, p->afc, | |
1672 | p->rxsubchans, p->audmode); | |
a399810c | 1673 | ret = ops->vidioc_s_tuner(file, fh, p); |
35ea11ff HV |
1674 | break; |
1675 | } | |
1676 | case VIDIOC_G_FREQUENCY: | |
1677 | { | |
1678 | struct v4l2_frequency *p = arg; | |
1679 | ||
a399810c | 1680 | if (!ops->vidioc_g_frequency) |
35ea11ff HV |
1681 | break; |
1682 | ||
a399810c | 1683 | ret = ops->vidioc_g_frequency(file, fh, p); |
35ea11ff HV |
1684 | if (!ret) |
1685 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", | |
1686 | p->tuner, p->type, p->frequency); | |
1687 | break; | |
1688 | } | |
1689 | case VIDIOC_S_FREQUENCY: | |
1690 | { | |
1691 | struct v4l2_frequency *p = arg; | |
1692 | ||
a399810c | 1693 | if (!ops->vidioc_s_frequency) |
35ea11ff HV |
1694 | break; |
1695 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", | |
1696 | p->tuner, p->type, p->frequency); | |
a399810c | 1697 | ret = ops->vidioc_s_frequency(file, fh, p); |
35ea11ff HV |
1698 | break; |
1699 | } | |
1700 | case VIDIOC_G_SLICED_VBI_CAP: | |
1701 | { | |
1702 | struct v4l2_sliced_vbi_cap *p = arg; | |
35ea11ff | 1703 | |
a399810c | 1704 | if (!ops->vidioc_g_sliced_vbi_cap) |
35ea11ff | 1705 | break; |
19c96e4b TP |
1706 | |
1707 | /* Clear up to type, everything after type is zerod already */ | |
1708 | memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); | |
1709 | ||
35ea11ff | 1710 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
a399810c | 1711 | ret = ops->vidioc_g_sliced_vbi_cap(file, fh, p); |
35ea11ff HV |
1712 | if (!ret) |
1713 | dbgarg2("service_set=%d\n", p->service_set); | |
1714 | break; | |
1715 | } | |
1716 | case VIDIOC_LOG_STATUS: | |
1717 | { | |
a399810c | 1718 | if (!ops->vidioc_log_status) |
35ea11ff | 1719 | break; |
a399810c | 1720 | ret = ops->vidioc_log_status(file, fh); |
35ea11ff HV |
1721 | break; |
1722 | } | |
1723 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1724 | case VIDIOC_DBG_G_REGISTER: | |
1725 | { | |
aecde8b5 | 1726 | struct v4l2_dbg_register *p = arg; |
35ea11ff HV |
1727 | |
1728 | if (!capable(CAP_SYS_ADMIN)) | |
1729 | ret = -EPERM; | |
a399810c HV |
1730 | else if (ops->vidioc_g_register) |
1731 | ret = ops->vidioc_g_register(file, fh, p); | |
35ea11ff HV |
1732 | break; |
1733 | } | |
1734 | case VIDIOC_DBG_S_REGISTER: | |
1735 | { | |
aecde8b5 | 1736 | struct v4l2_dbg_register *p = arg; |
35ea11ff HV |
1737 | |
1738 | if (!capable(CAP_SYS_ADMIN)) | |
1739 | ret = -EPERM; | |
a399810c HV |
1740 | else if (ops->vidioc_s_register) |
1741 | ret = ops->vidioc_s_register(file, fh, p); | |
35ea11ff HV |
1742 | break; |
1743 | } | |
1744 | #endif | |
aecde8b5 | 1745 | case VIDIOC_DBG_G_CHIP_IDENT: |
35ea11ff | 1746 | { |
aecde8b5 | 1747 | struct v4l2_dbg_chip_ident *p = arg; |
35ea11ff | 1748 | |
a399810c | 1749 | if (!ops->vidioc_g_chip_ident) |
35ea11ff | 1750 | break; |
80b36e0f HV |
1751 | p->ident = V4L2_IDENT_NONE; |
1752 | p->revision = 0; | |
a399810c | 1753 | ret = ops->vidioc_g_chip_ident(file, fh, p); |
35ea11ff HV |
1754 | if (!ret) |
1755 | dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision); | |
1756 | break; | |
1757 | } | |
35ea11ff HV |
1758 | case VIDIOC_S_HW_FREQ_SEEK: |
1759 | { | |
1760 | struct v4l2_hw_freq_seek *p = arg; | |
1761 | ||
a399810c | 1762 | if (!ops->vidioc_s_hw_freq_seek) |
35ea11ff HV |
1763 | break; |
1764 | dbgarg(cmd, | |
1765 | "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n", | |
1766 | p->tuner, p->type, p->seek_upward, p->wrap_around); | |
a399810c HV |
1767 | ret = ops->vidioc_s_hw_freq_seek(file, fh, p); |
1768 | break; | |
1769 | } | |
74d83fa0 MCC |
1770 | case VIDIOC_ENUM_FRAMESIZES: |
1771 | { | |
1772 | struct v4l2_frmsizeenum *p = arg; | |
1773 | ||
1774 | if (!ops->vidioc_enum_framesizes) | |
1775 | break; | |
1776 | ||
74d83fa0 MCC |
1777 | ret = ops->vidioc_enum_framesizes(file, fh, p); |
1778 | dbgarg(cmd, | |
d1afe425 MCC |
1779 | "index=%d, pixelformat=%c%c%c%c, type=%d ", |
1780 | p->index, | |
1781 | (p->pixel_format & 0xff), | |
1782 | (p->pixel_format >> 8) & 0xff, | |
1783 | (p->pixel_format >> 16) & 0xff, | |
1784 | (p->pixel_format >> 24) & 0xff, | |
1785 | p->type); | |
74d83fa0 MCC |
1786 | switch (p->type) { |
1787 | case V4L2_FRMSIZE_TYPE_DISCRETE: | |
d33fbcbb | 1788 | dbgarg3("width = %d, height=%d\n", |
74d83fa0 MCC |
1789 | p->discrete.width, p->discrete.height); |
1790 | break; | |
1791 | case V4L2_FRMSIZE_TYPE_STEPWISE: | |
d33fbcbb | 1792 | dbgarg3("min %dx%d, max %dx%d, step %dx%d\n", |
74d83fa0 MCC |
1793 | p->stepwise.min_width, p->stepwise.min_height, |
1794 | p->stepwise.step_width, p->stepwise.step_height, | |
1795 | p->stepwise.max_width, p->stepwise.max_height); | |
1796 | break; | |
1797 | case V4L2_FRMSIZE_TYPE_CONTINUOUS: | |
d33fbcbb | 1798 | dbgarg3("continuous\n"); |
74d83fa0 MCC |
1799 | break; |
1800 | default: | |
d33fbcbb | 1801 | dbgarg3("- Unknown type!\n"); |
74d83fa0 MCC |
1802 | } |
1803 | ||
1804 | break; | |
1805 | } | |
1806 | case VIDIOC_ENUM_FRAMEINTERVALS: | |
1807 | { | |
1808 | struct v4l2_frmivalenum *p = arg; | |
1809 | ||
1810 | if (!ops->vidioc_enum_frameintervals) | |
1811 | break; | |
1812 | ||
74d83fa0 MCC |
1813 | ret = ops->vidioc_enum_frameintervals(file, fh, p); |
1814 | dbgarg(cmd, | |
1815 | "index=%d, pixelformat=%d, width=%d, height=%d, type=%d ", | |
1816 | p->index, p->pixel_format, | |
1817 | p->width, p->height, p->type); | |
1818 | switch (p->type) { | |
1819 | case V4L2_FRMIVAL_TYPE_DISCRETE: | |
1820 | dbgarg2("fps=%d/%d\n", | |
1821 | p->discrete.numerator, | |
1822 | p->discrete.denominator); | |
1823 | break; | |
1824 | case V4L2_FRMIVAL_TYPE_STEPWISE: | |
1958578d MCC |
1825 | dbgarg2("min=%d/%d, max=%d/%d, step=%d/%d\n", |
1826 | p->stepwise.min.numerator, | |
1827 | p->stepwise.min.denominator, | |
1828 | p->stepwise.max.numerator, | |
1829 | p->stepwise.max.denominator, | |
1830 | p->stepwise.step.numerator, | |
1831 | p->stepwise.step.denominator); | |
74d83fa0 MCC |
1832 | break; |
1833 | case V4L2_FRMIVAL_TYPE_CONTINUOUS: | |
1834 | dbgarg2("continuous\n"); | |
1835 | break; | |
1836 | default: | |
1837 | dbgarg2("- Unknown type!\n"); | |
1838 | } | |
1839 | break; | |
1840 | } | |
b6456c0c MK |
1841 | case VIDIOC_ENUM_DV_PRESETS: |
1842 | { | |
1843 | struct v4l2_dv_enum_preset *p = arg; | |
1844 | ||
1845 | if (!ops->vidioc_enum_dv_presets) | |
1846 | break; | |
1847 | ||
1848 | ret = ops->vidioc_enum_dv_presets(file, fh, p); | |
1849 | if (!ret) | |
1850 | dbgarg(cmd, | |
1851 | "index=%d, preset=%d, name=%s, width=%d," | |
1852 | " height=%d ", | |
1853 | p->index, p->preset, p->name, p->width, | |
1854 | p->height); | |
1855 | break; | |
1856 | } | |
1857 | case VIDIOC_S_DV_PRESET: | |
1858 | { | |
1859 | struct v4l2_dv_preset *p = arg; | |
1860 | ||
1861 | if (!ops->vidioc_s_dv_preset) | |
1862 | break; | |
1863 | ||
1864 | dbgarg(cmd, "preset=%d\n", p->preset); | |
1865 | ret = ops->vidioc_s_dv_preset(file, fh, p); | |
1866 | break; | |
1867 | } | |
1868 | case VIDIOC_G_DV_PRESET: | |
1869 | { | |
1870 | struct v4l2_dv_preset *p = arg; | |
1871 | ||
1872 | if (!ops->vidioc_g_dv_preset) | |
1873 | break; | |
1874 | ||
1875 | ret = ops->vidioc_g_dv_preset(file, fh, p); | |
1876 | if (!ret) | |
1877 | dbgarg(cmd, "preset=%d\n", p->preset); | |
1878 | break; | |
1879 | } | |
1880 | case VIDIOC_QUERY_DV_PRESET: | |
1881 | { | |
1882 | struct v4l2_dv_preset *p = arg; | |
1883 | ||
1884 | if (!ops->vidioc_query_dv_preset) | |
1885 | break; | |
1886 | ||
1887 | ret = ops->vidioc_query_dv_preset(file, fh, p); | |
1888 | if (!ret) | |
1889 | dbgarg(cmd, "preset=%d\n", p->preset); | |
1890 | break; | |
1891 | } | |
1892 | case VIDIOC_S_DV_TIMINGS: | |
1893 | { | |
1894 | struct v4l2_dv_timings *p = arg; | |
1895 | ||
1896 | if (!ops->vidioc_s_dv_timings) | |
1897 | break; | |
1898 | ||
1899 | switch (p->type) { | |
1900 | case V4L2_DV_BT_656_1120: | |
1901 | dbgarg2("bt-656/1120:interlaced=%d, pixelclock=%lld," | |
1902 | " width=%d, height=%d, polarities=%x," | |
1903 | " hfrontporch=%d, hsync=%d, hbackporch=%d," | |
1904 | " vfrontporch=%d, vsync=%d, vbackporch=%d," | |
1905 | " il_vfrontporch=%d, il_vsync=%d," | |
1906 | " il_vbackporch=%d\n", | |
1907 | p->bt.interlaced, p->bt.pixelclock, | |
1908 | p->bt.width, p->bt.height, p->bt.polarities, | |
1909 | p->bt.hfrontporch, p->bt.hsync, | |
1910 | p->bt.hbackporch, p->bt.vfrontporch, | |
1911 | p->bt.vsync, p->bt.vbackporch, | |
1912 | p->bt.il_vfrontporch, p->bt.il_vsync, | |
1913 | p->bt.il_vbackporch); | |
1914 | ret = ops->vidioc_s_dv_timings(file, fh, p); | |
1915 | break; | |
1916 | default: | |
1917 | dbgarg2("Unknown type %d!\n", p->type); | |
1918 | break; | |
1919 | } | |
1920 | break; | |
1921 | } | |
1922 | case VIDIOC_G_DV_TIMINGS: | |
1923 | { | |
1924 | struct v4l2_dv_timings *p = arg; | |
1925 | ||
1926 | if (!ops->vidioc_g_dv_timings) | |
1927 | break; | |
1928 | ||
1929 | ret = ops->vidioc_g_dv_timings(file, fh, p); | |
1930 | if (!ret) { | |
1931 | switch (p->type) { | |
1932 | case V4L2_DV_BT_656_1120: | |
1933 | dbgarg2("bt-656/1120:interlaced=%d," | |
1934 | " pixelclock=%lld," | |
1935 | " width=%d, height=%d, polarities=%x," | |
1936 | " hfrontporch=%d, hsync=%d," | |
1937 | " hbackporch=%d, vfrontporch=%d," | |
1938 | " vsync=%d, vbackporch=%d," | |
1939 | " il_vfrontporch=%d, il_vsync=%d," | |
1940 | " il_vbackporch=%d\n", | |
1941 | p->bt.interlaced, p->bt.pixelclock, | |
1942 | p->bt.width, p->bt.height, | |
1943 | p->bt.polarities, p->bt.hfrontporch, | |
1944 | p->bt.hsync, p->bt.hbackporch, | |
1945 | p->bt.vfrontporch, p->bt.vsync, | |
1946 | p->bt.vbackporch, p->bt.il_vfrontporch, | |
1947 | p->bt.il_vsync, p->bt.il_vbackporch); | |
1948 | break; | |
1949 | default: | |
1950 | dbgarg2("Unknown type %d!\n", p->type); | |
1951 | break; | |
1952 | } | |
1953 | } | |
1954 | break; | |
1955 | } | |
d3d7c963 SA |
1956 | case VIDIOC_DQEVENT: |
1957 | { | |
1958 | struct v4l2_event *ev = arg; | |
1959 | ||
1960 | if (!ops->vidioc_subscribe_event) | |
1961 | break; | |
1962 | ||
1963 | ret = v4l2_event_dequeue(fh, ev, file->f_flags & O_NONBLOCK); | |
1964 | if (ret < 0) { | |
1965 | dbgarg(cmd, "no pending events?"); | |
1966 | break; | |
1967 | } | |
1968 | dbgarg(cmd, | |
1969 | "pending=%d, type=0x%8.8x, sequence=%d, " | |
1970 | "timestamp=%lu.%9.9lu ", | |
1971 | ev->pending, ev->type, ev->sequence, | |
1972 | ev->timestamp.tv_sec, ev->timestamp.tv_nsec); | |
1973 | break; | |
1974 | } | |
1975 | case VIDIOC_SUBSCRIBE_EVENT: | |
1976 | { | |
1977 | struct v4l2_event_subscription *sub = arg; | |
1978 | ||
1979 | if (!ops->vidioc_subscribe_event) | |
1980 | break; | |
74d83fa0 | 1981 | |
d3d7c963 SA |
1982 | ret = ops->vidioc_subscribe_event(fh, sub); |
1983 | if (ret < 0) { | |
1984 | dbgarg(cmd, "failed, ret=%ld", ret); | |
1985 | break; | |
1986 | } | |
1987 | dbgarg(cmd, "type=0x%8.8x", sub->type); | |
1988 | break; | |
1989 | } | |
1990 | case VIDIOC_UNSUBSCRIBE_EVENT: | |
1991 | { | |
1992 | struct v4l2_event_subscription *sub = arg; | |
1993 | ||
1994 | if (!ops->vidioc_unsubscribe_event) | |
1995 | break; | |
1996 | ||
1997 | ret = ops->vidioc_unsubscribe_event(fh, sub); | |
1998 | if (ret < 0) { | |
1999 | dbgarg(cmd, "failed, ret=%ld", ret); | |
2000 | break; | |
2001 | } | |
2002 | dbgarg(cmd, "type=0x%8.8x", sub->type); | |
2003 | break; | |
2004 | } | |
a399810c HV |
2005 | default: |
2006 | { | |
2007 | if (!ops->vidioc_default) | |
2008 | break; | |
2009 | ret = ops->vidioc_default(file, fh, cmd, arg); | |
35ea11ff HV |
2010 | break; |
2011 | } | |
2012 | } /* switch */ | |
2013 | ||
2014 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { | |
2015 | if (ret < 0) { | |
2016 | v4l_print_ioctl(vfd->name, cmd); | |
069b7479 | 2017 | printk(KERN_CONT " error %ld\n", ret); |
35ea11ff HV |
2018 | } |
2019 | } | |
2020 | ||
2021 | return ret; | |
2022 | } | |
2023 | ||
19c96e4b TP |
2024 | /* In some cases, only a few fields are used as input, i.e. when the app sets |
2025 | * "index" and then the driver fills in the rest of the structure for the thing | |
2026 | * with that index. We only need to copy up the first non-input field. */ | |
2027 | static unsigned long cmd_input_size(unsigned int cmd) | |
2028 | { | |
2029 | /* Size of structure up to and including 'field' */ | |
9f1a693f HV |
2030 | #define CMDINSIZE(cmd, type, field) \ |
2031 | case VIDIOC_##cmd: \ | |
2032 | return offsetof(struct v4l2_##type, field) + \ | |
2033 | sizeof(((struct v4l2_##type *)0)->field); | |
19c96e4b | 2034 | |
9f1a693f | 2035 | switch (cmd) { |
19c96e4b TP |
2036 | CMDINSIZE(ENUM_FMT, fmtdesc, type); |
2037 | CMDINSIZE(G_FMT, format, type); | |
2038 | CMDINSIZE(QUERYBUF, buffer, type); | |
2039 | CMDINSIZE(G_PARM, streamparm, type); | |
2040 | CMDINSIZE(ENUMSTD, standard, index); | |
2041 | CMDINSIZE(ENUMINPUT, input, index); | |
2042 | CMDINSIZE(G_CTRL, control, id); | |
2043 | CMDINSIZE(G_TUNER, tuner, index); | |
2044 | CMDINSIZE(QUERYCTRL, queryctrl, id); | |
2045 | CMDINSIZE(QUERYMENU, querymenu, index); | |
2046 | CMDINSIZE(ENUMOUTPUT, output, index); | |
2047 | CMDINSIZE(G_MODULATOR, modulator, index); | |
2048 | CMDINSIZE(G_FREQUENCY, frequency, tuner); | |
2049 | CMDINSIZE(CROPCAP, cropcap, type); | |
2050 | CMDINSIZE(G_CROP, crop, type); | |
2051 | CMDINSIZE(ENUMAUDIO, audio, index); | |
2052 | CMDINSIZE(ENUMAUDOUT, audioout, index); | |
2053 | CMDINSIZE(ENCODER_CMD, encoder_cmd, flags); | |
2054 | CMDINSIZE(TRY_ENCODER_CMD, encoder_cmd, flags); | |
2055 | CMDINSIZE(G_SLICED_VBI_CAP, sliced_vbi_cap, type); | |
2056 | CMDINSIZE(ENUM_FRAMESIZES, frmsizeenum, pixel_format); | |
2057 | CMDINSIZE(ENUM_FRAMEINTERVALS, frmivalenum, height); | |
2058 | default: | |
2059 | return _IOC_SIZE(cmd); | |
2060 | } | |
2061 | } | |
2062 | ||
069b7479 | 2063 | long video_ioctl2(struct file *file, |
35ea11ff HV |
2064 | unsigned int cmd, unsigned long arg) |
2065 | { | |
2066 | char sbuf[128]; | |
2067 | void *mbuf = NULL; | |
1d94aa36 | 2068 | void *parg = (void *)arg; |
069b7479 | 2069 | long err = -EINVAL; |
35ea11ff HV |
2070 | int is_ext_ctrl; |
2071 | size_t ctrls_size = 0; | |
2072 | void __user *user_ptr = NULL; | |
2073 | ||
2074 | #ifdef __OLD_VIDIOC_ | |
2075 | cmd = video_fix_command(cmd); | |
2076 | #endif | |
2077 | is_ext_ctrl = (cmd == VIDIOC_S_EXT_CTRLS || cmd == VIDIOC_G_EXT_CTRLS || | |
2078 | cmd == VIDIOC_TRY_EXT_CTRLS); | |
2079 | ||
2080 | /* Copy arguments into temp kernel buffer */ | |
337f9d20 | 2081 | if (_IOC_DIR(cmd) != _IOC_NONE) { |
35ea11ff HV |
2082 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { |
2083 | parg = sbuf; | |
2084 | } else { | |
2085 | /* too big to allocate from stack */ | |
2086 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); | |
2087 | if (NULL == mbuf) | |
2088 | return -ENOMEM; | |
2089 | parg = mbuf; | |
2090 | } | |
2091 | ||
2092 | err = -EFAULT; | |
19c96e4b TP |
2093 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
2094 | unsigned long n = cmd_input_size(cmd); | |
2095 | ||
2096 | if (copy_from_user(parg, (void __user *)arg, n)) | |
35ea11ff | 2097 | goto out; |
19c96e4b TP |
2098 | |
2099 | /* zero out anything we don't copy from userspace */ | |
2100 | if (n < _IOC_SIZE(cmd)) | |
2101 | memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); | |
337f9d20 TP |
2102 | } else { |
2103 | /* read-only ioctl */ | |
2104 | memset(parg, 0, _IOC_SIZE(cmd)); | |
19c96e4b | 2105 | } |
35ea11ff HV |
2106 | } |
2107 | ||
2108 | if (is_ext_ctrl) { | |
2109 | struct v4l2_ext_controls *p = parg; | |
2110 | ||
2111 | /* In case of an error, tell the caller that it wasn't | |
2112 | a specific control that caused it. */ | |
2113 | p->error_idx = p->count; | |
2114 | user_ptr = (void __user *)p->controls; | |
2115 | if (p->count) { | |
2116 | ctrls_size = sizeof(struct v4l2_ext_control) * p->count; | |
2117 | /* Note: v4l2_ext_controls fits in sbuf[] so mbuf is still NULL. */ | |
2118 | mbuf = kmalloc(ctrls_size, GFP_KERNEL); | |
2119 | err = -ENOMEM; | |
2120 | if (NULL == mbuf) | |
2121 | goto out_ext_ctrl; | |
2122 | err = -EFAULT; | |
2123 | if (copy_from_user(mbuf, user_ptr, ctrls_size)) | |
2124 | goto out_ext_ctrl; | |
2125 | p->controls = mbuf; | |
2126 | } | |
2127 | } | |
2128 | ||
2129 | /* Handles IOCTL */ | |
b1f88407 | 2130 | err = __video_do_ioctl(file, cmd, parg); |
35ea11ff HV |
2131 | if (err == -ENOIOCTLCMD) |
2132 | err = -EINVAL; | |
2133 | if (is_ext_ctrl) { | |
2134 | struct v4l2_ext_controls *p = parg; | |
2135 | ||
2136 | p->controls = (void *)user_ptr; | |
2137 | if (p->count && err == 0 && copy_to_user(user_ptr, mbuf, ctrls_size)) | |
2138 | err = -EFAULT; | |
2139 | goto out_ext_ctrl; | |
2140 | } | |
2141 | if (err < 0) | |
2142 | goto out; | |
2143 | ||
2144 | out_ext_ctrl: | |
2145 | /* Copy results into user buffer */ | |
2146 | switch (_IOC_DIR(cmd)) { | |
2147 | case _IOC_READ: | |
2148 | case (_IOC_WRITE | _IOC_READ): | |
2149 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) | |
2150 | err = -EFAULT; | |
2151 | break; | |
2152 | } | |
2153 | ||
2154 | out: | |
2155 | kfree(mbuf); | |
2156 | return err; | |
2157 | } | |
8a522c91 | 2158 | EXPORT_SYMBOL(video_ioctl2); |