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Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[deliverable/linux.git] / include / media / v4l2-ioctl.h
CommitLineData
35ea11ff
HV		 1/*
2 *
3 * V 4 L 2 D R I V E R H E L P E R A P I
4 *
5 * Moved from videodev2.h
6 *
7 * Some commonly needed functions for drivers (v4l2-common.o module)
8 */
9#ifndef _V4L2_IOCTL_H
10#define _V4L2_IOCTL_H
11
12#include <linux/poll.h>
13#include <linux/fs.h>
35ea11ff
HV		 14#include <linux/mutex.h>
15#include <linux/compiler.h> /* need __user */
35ea11ff 16#include <linux/videodev2.h>
35ea11ff 17
d3d7c963
SA		 18struct v4l2_fh;
19
a399810c
HV		 20struct v4l2_ioctl_ops {
21 /* ioctl callbacks */
22
23 /* VIDIOC_QUERYCAP handler */
24 int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap);
25
26 /* Priority handling */
27 int (*vidioc_g_priority) (struct file *file, void *fh,
28 enum v4l2_priority *p);
29 int (*vidioc_s_priority) (struct file *file, void *fh,
30 enum v4l2_priority p);
31
32 /* VIDIOC_ENUM_FMT handlers */
33 int (*vidioc_enum_fmt_vid_cap) (struct file *file, void *fh,
34 struct v4l2_fmtdesc *f);
35 int (*vidioc_enum_fmt_vid_overlay) (struct file *file, void *fh,
36 struct v4l2_fmtdesc *f);
37 int (*vidioc_enum_fmt_vid_out) (struct file *file, void *fh,
38 struct v4l2_fmtdesc *f);
d14e6d76
PO		 39 int (*vidioc_enum_fmt_vid_cap_mplane)(struct file *file, void *fh,
40 struct v4l2_fmtdesc *f);
41 int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh,
42 struct v4l2_fmtdesc *f);
855df1dc
AP		 43 int (*vidioc_enum_fmt_sdr_cap) (struct file *file, void *fh,
44 struct v4l2_fmtdesc *f);
a399810c
HV		 45
46 /* VIDIOC_G_FMT handlers */
47 int (*vidioc_g_fmt_vid_cap) (struct file *file, void *fh,
48 struct v4l2_format *f);
49 int (*vidioc_g_fmt_vid_overlay)(struct file *file, void *fh,
50 struct v4l2_format *f);
51 int (*vidioc_g_fmt_vid_out) (struct file *file, void *fh,
52 struct v4l2_format *f);
53 int (*vidioc_g_fmt_vid_out_overlay)(struct file *file, void *fh,
54 struct v4l2_format *f);
55 int (*vidioc_g_fmt_vbi_cap) (struct file *file, void *fh,
56 struct v4l2_format *f);
57 int (*vidioc_g_fmt_vbi_out) (struct file *file, void *fh,
58 struct v4l2_format *f);
59 int (*vidioc_g_fmt_sliced_vbi_cap)(struct file *file, void *fh,
60 struct v4l2_format *f);
61 int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh,
62 struct v4l2_format *f);
d14e6d76
PO		 63 int (*vidioc_g_fmt_vid_cap_mplane)(struct file *file, void *fh,
64 struct v4l2_format *f);
65 int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh,
66 struct v4l2_format *f);
855df1dc
AP		 67 int (*vidioc_g_fmt_sdr_cap) (struct file *file, void *fh,
68 struct v4l2_format *f);
a399810c
HV		 69
70 /* VIDIOC_S_FMT handlers */
71 int (*vidioc_s_fmt_vid_cap) (struct file *file, void *fh,
72 struct v4l2_format *f);
73 int (*vidioc_s_fmt_vid_overlay)(struct file *file, void *fh,
74 struct v4l2_format *f);
75 int (*vidioc_s_fmt_vid_out) (struct file *file, void *fh,
76 struct v4l2_format *f);
77 int (*vidioc_s_fmt_vid_out_overlay)(struct file *file, void *fh,
78 struct v4l2_format *f);
79 int (*vidioc_s_fmt_vbi_cap) (struct file *file, void *fh,
80 struct v4l2_format *f);
81 int (*vidioc_s_fmt_vbi_out) (struct file *file, void *fh,
82 struct v4l2_format *f);
83 int (*vidioc_s_fmt_sliced_vbi_cap)(struct file *file, void *fh,
84 struct v4l2_format *f);
85 int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh,
86 struct v4l2_format *f);
d14e6d76
PO		 87 int (*vidioc_s_fmt_vid_cap_mplane)(struct file *file, void *fh,
88 struct v4l2_format *f);
89 int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh,
90 struct v4l2_format *f);
855df1dc
AP		 91 int (*vidioc_s_fmt_sdr_cap) (struct file *file, void *fh,
92 struct v4l2_format *f);
a399810c
HV		 93
94 /* VIDIOC_TRY_FMT handlers */
95 int (*vidioc_try_fmt_vid_cap) (struct file *file, void *fh,
96 struct v4l2_format *f);
97 int (*vidioc_try_fmt_vid_overlay)(struct file *file, void *fh,
98 struct v4l2_format *f);
99 int (*vidioc_try_fmt_vid_out) (struct file *file, void *fh,
100 struct v4l2_format *f);
101 int (*vidioc_try_fmt_vid_out_overlay)(struct file *file, void *fh,
102 struct v4l2_format *f);
103 int (*vidioc_try_fmt_vbi_cap) (struct file *file, void *fh,
104 struct v4l2_format *f);
105 int (*vidioc_try_fmt_vbi_out) (struct file *file, void *fh,
106 struct v4l2_format *f);
107 int (*vidioc_try_fmt_sliced_vbi_cap)(struct file *file, void *fh,
108 struct v4l2_format *f);
109 int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh,
110 struct v4l2_format *f);
d14e6d76
PO		 111 int (*vidioc_try_fmt_vid_cap_mplane)(struct file *file, void *fh,
112 struct v4l2_format *f);
113 int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh,
114 struct v4l2_format *f);
855df1dc
AP		 115 int (*vidioc_try_fmt_sdr_cap) (struct file *file, void *fh,
116 struct v4l2_format *f);
a399810c
HV		 117
118 /* Buffer handlers */
119 int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b);
120 int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b);
121 int (*vidioc_qbuf) (struct file *file, void *fh, struct v4l2_buffer *b);
b799d09a
TS		 122 int (*vidioc_expbuf) (struct file *file, void *fh,
123 struct v4l2_exportbuffer *e);
a399810c
HV		 124 int (*vidioc_dqbuf) (struct file *file, void *fh, struct v4l2_buffer *b);
125
2150158b
GL		 126 int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b);
127 int (*vidioc_prepare_buf)(struct file *file, void *fh, struct v4l2_buffer *b);
a399810c
HV		 128
129 int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i);
a399810c
HV		 130 int (*vidioc_g_fbuf) (struct file *file, void *fh,
131 struct v4l2_framebuffer *a);
132 int (*vidioc_s_fbuf) (struct file *file, void *fh,
e6eb28c2 133 const struct v4l2_framebuffer *a);
a399810c
HV		 134
135 /* Stream on/off */
136 int (*vidioc_streamon) (struct file *file, void *fh, enum v4l2_buf_type i);
137 int (*vidioc_streamoff)(struct file *file, void *fh, enum v4l2_buf_type i);
138
139 /* Standard handling
140 ENUMSTD is handled by videodev.c
141 */
142 int (*vidioc_g_std) (struct file *file, void *fh, v4l2_std_id *norm);
314527ac 143 int (*vidioc_s_std) (struct file *file, void *fh, v4l2_std_id norm);
a399810c
HV		 144 int (*vidioc_querystd) (struct file *file, void *fh, v4l2_std_id *a);
145
146 /* Input handling */
147 int (*vidioc_enum_input)(struct file *file, void *fh,
148 struct v4l2_input *inp);
149 int (*vidioc_g_input) (struct file *file, void *fh, unsigned int *i);
150 int (*vidioc_s_input) (struct file *file, void *fh, unsigned int i);
151
152 /* Output handling */
153 int (*vidioc_enum_output) (struct file *file, void *fh,
154 struct v4l2_output *a);
155 int (*vidioc_g_output) (struct file *file, void *fh, unsigned int *i);
156 int (*vidioc_s_output) (struct file *file, void *fh, unsigned int i);
157
158 /* Control handling */
159 int (*vidioc_queryctrl) (struct file *file, void *fh,
160 struct v4l2_queryctrl *a);
e6bee368
HV		 161 int (*vidioc_query_ext_ctrl) (struct file *file, void *fh,
162 struct v4l2_query_ext_ctrl *a);
a399810c
HV		 163 int (*vidioc_g_ctrl) (struct file *file, void *fh,
164 struct v4l2_control *a);
165 int (*vidioc_s_ctrl) (struct file *file, void *fh,
166 struct v4l2_control *a);
167 int (*vidioc_g_ext_ctrls) (struct file *file, void *fh,
168 struct v4l2_ext_controls *a);
169 int (*vidioc_s_ext_ctrls) (struct file *file, void *fh,
170 struct v4l2_ext_controls *a);
171 int (*vidioc_try_ext_ctrls) (struct file *file, void *fh,
172 struct v4l2_ext_controls *a);
173 int (*vidioc_querymenu) (struct file *file, void *fh,
174 struct v4l2_querymenu *a);
175
176 /* Audio ioctls */
177 int (*vidioc_enumaudio) (struct file *file, void *fh,
178 struct v4l2_audio *a);
179 int (*vidioc_g_audio) (struct file *file, void *fh,
180 struct v4l2_audio *a);
181 int (*vidioc_s_audio) (struct file *file, void *fh,
0e8025b9 182 const struct v4l2_audio *a);
a399810c
HV		 183
184 /* Audio out ioctls */
185 int (*vidioc_enumaudout) (struct file *file, void *fh,
186 struct v4l2_audioout *a);
187 int (*vidioc_g_audout) (struct file *file, void *fh,
188 struct v4l2_audioout *a);
189 int (*vidioc_s_audout) (struct file *file, void *fh,
ba9425bc 190 const struct v4l2_audioout *a);
a399810c
HV		 191 int (*vidioc_g_modulator) (struct file *file, void *fh,
192 struct v4l2_modulator *a);
193 int (*vidioc_s_modulator) (struct file *file, void *fh,
3f70e1f5 194 const struct v4l2_modulator *a);
a399810c
HV		 195 /* Crop ioctls */
196 int (*vidioc_cropcap) (struct file *file, void *fh,
197 struct v4l2_cropcap *a);
198 int (*vidioc_g_crop) (struct file *file, void *fh,
199 struct v4l2_crop *a);
200 int (*vidioc_s_crop) (struct file *file, void *fh,
4f996594 201 const struct v4l2_crop *a);
0e8caace
TS		 202 int (*vidioc_g_selection) (struct file *file, void *fh,
203 struct v4l2_selection *s);
204 int (*vidioc_s_selection) (struct file *file, void *fh,
205 struct v4l2_selection *s);
a399810c
HV		 206 /* Compression ioctls */
207 int (*vidioc_g_jpegcomp) (struct file *file, void *fh,
208 struct v4l2_jpegcompression *a);
209 int (*vidioc_s_jpegcomp) (struct file *file, void *fh,
d88aab53 210 const struct v4l2_jpegcompression *a);
a399810c
HV		 211 int (*vidioc_g_enc_index) (struct file *file, void *fh,
212 struct v4l2_enc_idx *a);
213 int (*vidioc_encoder_cmd) (struct file *file, void *fh,
214 struct v4l2_encoder_cmd *a);
215 int (*vidioc_try_encoder_cmd) (struct file *file, void *fh,
216 struct v4l2_encoder_cmd *a);
a45c0ad5
HV		 217 int (*vidioc_decoder_cmd) (struct file *file, void *fh,
218 struct v4l2_decoder_cmd *a);
219 int (*vidioc_try_decoder_cmd) (struct file *file, void *fh,
220 struct v4l2_decoder_cmd *a);
a399810c
HV		 221
222 /* Stream type-dependent parameter ioctls */
223 int (*vidioc_g_parm) (struct file *file, void *fh,
224 struct v4l2_streamparm *a);
225 int (*vidioc_s_parm) (struct file *file, void *fh,
226 struct v4l2_streamparm *a);
227
228 /* Tuner ioctls */
229 int (*vidioc_g_tuner) (struct file *file, void *fh,
230 struct v4l2_tuner *a);
231 int (*vidioc_s_tuner) (struct file *file, void *fh,
2f73c7c5 232 const struct v4l2_tuner *a);
a399810c
HV		 233 int (*vidioc_g_frequency) (struct file *file, void *fh,
234 struct v4l2_frequency *a);
235 int (*vidioc_s_frequency) (struct file *file, void *fh,
b530a447 236 const struct v4l2_frequency *a);
82b655bf
HV		 237 int (*vidioc_enum_freq_bands) (struct file *file, void *fh,
238 struct v4l2_frequency_band *band);
a399810c
HV		 239
240 /* Sliced VBI cap */
241 int (*vidioc_g_sliced_vbi_cap) (struct file *file, void *fh,
242 struct v4l2_sliced_vbi_cap *a);
243
244 /* Log status ioctl */
245 int (*vidioc_log_status) (struct file *file, void *fh);
246
247 int (*vidioc_s_hw_freq_seek) (struct file *file, void *fh,
ec6f4328 248 const struct v4l2_hw_freq_seek *a);
a399810c
HV		 249
250 /* Debugging ioctls */
251#ifdef CONFIG_VIDEO_ADV_DEBUG
252 int (*vidioc_g_register) (struct file *file, void *fh,
aecde8b5 253 struct v4l2_dbg_register *reg);
a399810c 254 int (*vidioc_s_register) (struct file *file, void *fh,
977ba3b1 255 const struct v4l2_dbg_register *reg);
a399810c 256
96b03d2a
HV		 257 int (*vidioc_g_chip_info) (struct file *file, void *fh,
258 struct v4l2_dbg_chip_info *chip);
cd634f1b 259#endif
79b0c640 260
74d83fa0
MCC		 261 int (*vidioc_enum_framesizes) (struct file *file, void *fh,
262 struct v4l2_frmsizeenum *fsize);
263
264 int (*vidioc_enum_frameintervals) (struct file *file, void *fh,
265 struct v4l2_frmivalenum *fival);
266
b6456c0c 267 /* DV Timings IOCTLs */
b6456c0c
MK		 268 int (*vidioc_s_dv_timings) (struct file *file, void *fh,
269 struct v4l2_dv_timings *timings);
270 int (*vidioc_g_dv_timings) (struct file *file, void *fh,
271 struct v4l2_dv_timings *timings);
5d7758ee
HV		 272 int (*vidioc_query_dv_timings) (struct file *file, void *fh,
273 struct v4l2_dv_timings *timings);
274 int (*vidioc_enum_dv_timings) (struct file *file, void *fh,
275 struct v4l2_enum_dv_timings *timings);
276 int (*vidioc_dv_timings_cap) (struct file *file, void *fh,
277 struct v4l2_dv_timings_cap *cap);
dd519bb3
HV		 278 int (*vidioc_g_edid) (struct file *file, void *fh, struct v4l2_edid *edid);
279 int (*vidioc_s_edid) (struct file *file, void *fh, struct v4l2_edid *edid);
b6456c0c 280
d3d7c963 281 int (*vidioc_subscribe_event) (struct v4l2_fh *fh,
85f5fe39 282 const struct v4l2_event_subscription *sub);
d3d7c963 283 int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh,
85f5fe39 284 const struct v4l2_event_subscription *sub);
d3d7c963 285
a399810c 286 /* For other private ioctls */
069b7479 287 long (*vidioc_default) (struct file *file, void *fh,
6d43be77 288 bool valid_prio, unsigned int cmd, void *arg);
a399810c
HV		 289};
290
291
2864462e
MCC		 292/* v4l debugging and diagnostics */
293
294/* Debug bitmask flags to be used on V4L2 */
295#define V4L2_DEBUG_IOCTL 0x01
296#define V4L2_DEBUG_IOCTL_ARG 0x02
297
35ea11ff
HV		 298/* Video standard functions */
299extern const char *v4l2_norm_to_name(v4l2_std_id id);
51f0b8d5 300extern void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod);
35ea11ff
HV		 301extern int v4l2_video_std_construct(struct v4l2_standard *vs,
302 int id, const char *name);
4a085168
HV		 303/* Prints the ioctl in a human-readable format. If prefix != NULL,
304 then do printk(KERN_DEBUG "%s: ", prefix) first. */
305extern void v4l_printk_ioctl(const char *prefix, unsigned int cmd);
35ea11ff 306
5a5adf6b
HV		 307/* Internal use only: get the mutex (if any) that we need to lock for the
308 given command. */
309struct video_device;
310extern struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd);
311
35ea11ff
HV		 312/* names for fancy debug output */
313extern const char *v4l2_field_names[];
314extern const char *v4l2_type_names[];
315
bec43661 316#ifdef CONFIG_COMPAT
35ea11ff 317/* 32 Bits compatibility layer for 64 bits processors */
9bb7cde7 318extern long v4l2_compat_ioctl32(struct file *file, unsigned int cmd,
35ea11ff 319 unsigned long arg);
bec43661 320#endif
35ea11ff 321
08af245d
HV		 322typedef long (*v4l2_kioctl)(struct file *file,
323 unsigned int cmd, void *arg);
324
35ea11ff 325/* Include support for obsoleted stuff */
069b7479 326extern long video_usercopy(struct file *file, unsigned int cmd,
f473bf76 327 unsigned long arg, v4l2_kioctl func);
35ea11ff 328
8a522c91 329/* Standard handlers for V4L ioctl's */
069b7479 330extern long video_ioctl2(struct file *file,
8a522c91
MCC		 331 unsigned int cmd, unsigned long arg);
332
35ea11ff 333#endif /* _V4L2_IOCTL_H */
Linux kernel - Deliverables
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