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Commit | Line | Data |
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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> | |
14 | #include <linux/device.h> | |
15 | #include <linux/mutex.h> | |
16 | #include <linux/compiler.h> /* need __user */ | |
35ea11ff | 17 | #include <linux/videodev2.h> |
35ea11ff | 18 | |
d3d7c963 SA |
19 | struct v4l2_fh; |
20 | ||
a399810c HV |
21 | struct v4l2_ioctl_ops { |
22 | /* ioctl callbacks */ | |
23 | ||
24 | /* VIDIOC_QUERYCAP handler */ | |
25 | int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap); | |
26 | ||
27 | /* Priority handling */ | |
28 | int (*vidioc_g_priority) (struct file *file, void *fh, | |
29 | enum v4l2_priority *p); | |
30 | int (*vidioc_s_priority) (struct file *file, void *fh, | |
31 | enum v4l2_priority p); | |
32 | ||
33 | /* VIDIOC_ENUM_FMT handlers */ | |
34 | int (*vidioc_enum_fmt_vid_cap) (struct file *file, void *fh, | |
35 | struct v4l2_fmtdesc *f); | |
36 | int (*vidioc_enum_fmt_vid_overlay) (struct file *file, void *fh, | |
37 | struct v4l2_fmtdesc *f); | |
38 | int (*vidioc_enum_fmt_vid_out) (struct file *file, void *fh, | |
39 | struct v4l2_fmtdesc *f); | |
a399810c HV |
40 | int (*vidioc_enum_fmt_type_private)(struct file *file, void *fh, |
41 | struct v4l2_fmtdesc *f); | |
42 | ||
43 | /* VIDIOC_G_FMT handlers */ | |
44 | int (*vidioc_g_fmt_vid_cap) (struct file *file, void *fh, | |
45 | struct v4l2_format *f); | |
46 | int (*vidioc_g_fmt_vid_overlay)(struct file *file, void *fh, | |
47 | struct v4l2_format *f); | |
48 | int (*vidioc_g_fmt_vid_out) (struct file *file, void *fh, | |
49 | struct v4l2_format *f); | |
50 | int (*vidioc_g_fmt_vid_out_overlay)(struct file *file, void *fh, | |
51 | struct v4l2_format *f); | |
52 | int (*vidioc_g_fmt_vbi_cap) (struct file *file, void *fh, | |
53 | struct v4l2_format *f); | |
54 | int (*vidioc_g_fmt_vbi_out) (struct file *file, void *fh, | |
55 | struct v4l2_format *f); | |
56 | int (*vidioc_g_fmt_sliced_vbi_cap)(struct file *file, void *fh, | |
57 | struct v4l2_format *f); | |
58 | int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh, | |
59 | struct v4l2_format *f); | |
60 | int (*vidioc_g_fmt_type_private)(struct file *file, void *fh, | |
61 | struct v4l2_format *f); | |
62 | ||
63 | /* VIDIOC_S_FMT handlers */ | |
64 | int (*vidioc_s_fmt_vid_cap) (struct file *file, void *fh, | |
65 | struct v4l2_format *f); | |
66 | int (*vidioc_s_fmt_vid_overlay)(struct file *file, void *fh, | |
67 | struct v4l2_format *f); | |
68 | int (*vidioc_s_fmt_vid_out) (struct file *file, void *fh, | |
69 | struct v4l2_format *f); | |
70 | int (*vidioc_s_fmt_vid_out_overlay)(struct file *file, void *fh, | |
71 | struct v4l2_format *f); | |
72 | int (*vidioc_s_fmt_vbi_cap) (struct file *file, void *fh, | |
73 | struct v4l2_format *f); | |
74 | int (*vidioc_s_fmt_vbi_out) (struct file *file, void *fh, | |
75 | struct v4l2_format *f); | |
76 | int (*vidioc_s_fmt_sliced_vbi_cap)(struct file *file, void *fh, | |
77 | struct v4l2_format *f); | |
78 | int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh, | |
79 | struct v4l2_format *f); | |
80 | int (*vidioc_s_fmt_type_private)(struct file *file, void *fh, | |
81 | struct v4l2_format *f); | |
82 | ||
83 | /* VIDIOC_TRY_FMT handlers */ | |
84 | int (*vidioc_try_fmt_vid_cap) (struct file *file, void *fh, | |
85 | struct v4l2_format *f); | |
86 | int (*vidioc_try_fmt_vid_overlay)(struct file *file, void *fh, | |
87 | struct v4l2_format *f); | |
88 | int (*vidioc_try_fmt_vid_out) (struct file *file, void *fh, | |
89 | struct v4l2_format *f); | |
90 | int (*vidioc_try_fmt_vid_out_overlay)(struct file *file, void *fh, | |
91 | struct v4l2_format *f); | |
92 | int (*vidioc_try_fmt_vbi_cap) (struct file *file, void *fh, | |
93 | struct v4l2_format *f); | |
94 | int (*vidioc_try_fmt_vbi_out) (struct file *file, void *fh, | |
95 | struct v4l2_format *f); | |
96 | int (*vidioc_try_fmt_sliced_vbi_cap)(struct file *file, void *fh, | |
97 | struct v4l2_format *f); | |
98 | int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh, | |
99 | struct v4l2_format *f); | |
100 | int (*vidioc_try_fmt_type_private)(struct file *file, void *fh, | |
101 | struct v4l2_format *f); | |
102 | ||
103 | /* Buffer handlers */ | |
104 | int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b); | |
105 | int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b); | |
106 | int (*vidioc_qbuf) (struct file *file, void *fh, struct v4l2_buffer *b); | |
107 | int (*vidioc_dqbuf) (struct file *file, void *fh, struct v4l2_buffer *b); | |
108 | ||
109 | ||
110 | int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i); | |
a399810c HV |
111 | int (*vidioc_g_fbuf) (struct file *file, void *fh, |
112 | struct v4l2_framebuffer *a); | |
113 | int (*vidioc_s_fbuf) (struct file *file, void *fh, | |
114 | struct v4l2_framebuffer *a); | |
115 | ||
116 | /* Stream on/off */ | |
117 | int (*vidioc_streamon) (struct file *file, void *fh, enum v4l2_buf_type i); | |
118 | int (*vidioc_streamoff)(struct file *file, void *fh, enum v4l2_buf_type i); | |
119 | ||
120 | /* Standard handling | |
121 | ENUMSTD is handled by videodev.c | |
122 | */ | |
123 | int (*vidioc_g_std) (struct file *file, void *fh, v4l2_std_id *norm); | |
124 | int (*vidioc_s_std) (struct file *file, void *fh, v4l2_std_id *norm); | |
125 | int (*vidioc_querystd) (struct file *file, void *fh, v4l2_std_id *a); | |
126 | ||
127 | /* Input handling */ | |
128 | int (*vidioc_enum_input)(struct file *file, void *fh, | |
129 | struct v4l2_input *inp); | |
130 | int (*vidioc_g_input) (struct file *file, void *fh, unsigned int *i); | |
131 | int (*vidioc_s_input) (struct file *file, void *fh, unsigned int i); | |
132 | ||
133 | /* Output handling */ | |
134 | int (*vidioc_enum_output) (struct file *file, void *fh, | |
135 | struct v4l2_output *a); | |
136 | int (*vidioc_g_output) (struct file *file, void *fh, unsigned int *i); | |
137 | int (*vidioc_s_output) (struct file *file, void *fh, unsigned int i); | |
138 | ||
139 | /* Control handling */ | |
140 | int (*vidioc_queryctrl) (struct file *file, void *fh, | |
141 | struct v4l2_queryctrl *a); | |
142 | int (*vidioc_g_ctrl) (struct file *file, void *fh, | |
143 | struct v4l2_control *a); | |
144 | int (*vidioc_s_ctrl) (struct file *file, void *fh, | |
145 | struct v4l2_control *a); | |
146 | int (*vidioc_g_ext_ctrls) (struct file *file, void *fh, | |
147 | struct v4l2_ext_controls *a); | |
148 | int (*vidioc_s_ext_ctrls) (struct file *file, void *fh, | |
149 | struct v4l2_ext_controls *a); | |
150 | int (*vidioc_try_ext_ctrls) (struct file *file, void *fh, | |
151 | struct v4l2_ext_controls *a); | |
152 | int (*vidioc_querymenu) (struct file *file, void *fh, | |
153 | struct v4l2_querymenu *a); | |
154 | ||
155 | /* Audio ioctls */ | |
156 | int (*vidioc_enumaudio) (struct file *file, void *fh, | |
157 | struct v4l2_audio *a); | |
158 | int (*vidioc_g_audio) (struct file *file, void *fh, | |
159 | struct v4l2_audio *a); | |
160 | int (*vidioc_s_audio) (struct file *file, void *fh, | |
161 | struct v4l2_audio *a); | |
162 | ||
163 | /* Audio out ioctls */ | |
164 | int (*vidioc_enumaudout) (struct file *file, void *fh, | |
165 | struct v4l2_audioout *a); | |
166 | int (*vidioc_g_audout) (struct file *file, void *fh, | |
167 | struct v4l2_audioout *a); | |
168 | int (*vidioc_s_audout) (struct file *file, void *fh, | |
169 | struct v4l2_audioout *a); | |
170 | int (*vidioc_g_modulator) (struct file *file, void *fh, | |
171 | struct v4l2_modulator *a); | |
172 | int (*vidioc_s_modulator) (struct file *file, void *fh, | |
173 | struct v4l2_modulator *a); | |
174 | /* Crop ioctls */ | |
175 | int (*vidioc_cropcap) (struct file *file, void *fh, | |
176 | struct v4l2_cropcap *a); | |
177 | int (*vidioc_g_crop) (struct file *file, void *fh, | |
178 | struct v4l2_crop *a); | |
179 | int (*vidioc_s_crop) (struct file *file, void *fh, | |
180 | struct v4l2_crop *a); | |
181 | /* Compression ioctls */ | |
182 | int (*vidioc_g_jpegcomp) (struct file *file, void *fh, | |
183 | struct v4l2_jpegcompression *a); | |
184 | int (*vidioc_s_jpegcomp) (struct file *file, void *fh, | |
185 | struct v4l2_jpegcompression *a); | |
186 | int (*vidioc_g_enc_index) (struct file *file, void *fh, | |
187 | struct v4l2_enc_idx *a); | |
188 | int (*vidioc_encoder_cmd) (struct file *file, void *fh, | |
189 | struct v4l2_encoder_cmd *a); | |
190 | int (*vidioc_try_encoder_cmd) (struct file *file, void *fh, | |
191 | struct v4l2_encoder_cmd *a); | |
192 | ||
193 | /* Stream type-dependent parameter ioctls */ | |
194 | int (*vidioc_g_parm) (struct file *file, void *fh, | |
195 | struct v4l2_streamparm *a); | |
196 | int (*vidioc_s_parm) (struct file *file, void *fh, | |
197 | struct v4l2_streamparm *a); | |
198 | ||
199 | /* Tuner ioctls */ | |
200 | int (*vidioc_g_tuner) (struct file *file, void *fh, | |
201 | struct v4l2_tuner *a); | |
202 | int (*vidioc_s_tuner) (struct file *file, void *fh, | |
203 | struct v4l2_tuner *a); | |
204 | int (*vidioc_g_frequency) (struct file *file, void *fh, | |
205 | struct v4l2_frequency *a); | |
206 | int (*vidioc_s_frequency) (struct file *file, void *fh, | |
207 | struct v4l2_frequency *a); | |
208 | ||
209 | /* Sliced VBI cap */ | |
210 | int (*vidioc_g_sliced_vbi_cap) (struct file *file, void *fh, | |
211 | struct v4l2_sliced_vbi_cap *a); | |
212 | ||
213 | /* Log status ioctl */ | |
214 | int (*vidioc_log_status) (struct file *file, void *fh); | |
215 | ||
216 | int (*vidioc_s_hw_freq_seek) (struct file *file, void *fh, | |
217 | struct v4l2_hw_freq_seek *a); | |
218 | ||
219 | /* Debugging ioctls */ | |
220 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
221 | int (*vidioc_g_register) (struct file *file, void *fh, | |
aecde8b5 | 222 | struct v4l2_dbg_register *reg); |
a399810c | 223 | int (*vidioc_s_register) (struct file *file, void *fh, |
aecde8b5 | 224 | struct v4l2_dbg_register *reg); |
a399810c HV |
225 | #endif |
226 | int (*vidioc_g_chip_ident) (struct file *file, void *fh, | |
aecde8b5 | 227 | struct v4l2_dbg_chip_ident *chip); |
a399810c | 228 | |
74d83fa0 MCC |
229 | int (*vidioc_enum_framesizes) (struct file *file, void *fh, |
230 | struct v4l2_frmsizeenum *fsize); | |
231 | ||
232 | int (*vidioc_enum_frameintervals) (struct file *file, void *fh, | |
233 | struct v4l2_frmivalenum *fival); | |
234 | ||
b6456c0c MK |
235 | /* DV Timings IOCTLs */ |
236 | int (*vidioc_enum_dv_presets) (struct file *file, void *fh, | |
237 | struct v4l2_dv_enum_preset *preset); | |
238 | ||
239 | int (*vidioc_s_dv_preset) (struct file *file, void *fh, | |
240 | struct v4l2_dv_preset *preset); | |
241 | int (*vidioc_g_dv_preset) (struct file *file, void *fh, | |
242 | struct v4l2_dv_preset *preset); | |
243 | int (*vidioc_query_dv_preset) (struct file *file, void *fh, | |
244 | struct v4l2_dv_preset *qpreset); | |
245 | int (*vidioc_s_dv_timings) (struct file *file, void *fh, | |
246 | struct v4l2_dv_timings *timings); | |
247 | int (*vidioc_g_dv_timings) (struct file *file, void *fh, | |
248 | struct v4l2_dv_timings *timings); | |
249 | ||
d3d7c963 SA |
250 | int (*vidioc_subscribe_event) (struct v4l2_fh *fh, |
251 | struct v4l2_event_subscription *sub); | |
252 | int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh, | |
253 | struct v4l2_event_subscription *sub); | |
254 | ||
a399810c | 255 | /* For other private ioctls */ |
069b7479 | 256 | long (*vidioc_default) (struct file *file, void *fh, |
a399810c HV |
257 | int cmd, void *arg); |
258 | }; | |
259 | ||
260 | ||
2864462e MCC |
261 | /* v4l debugging and diagnostics */ |
262 | ||
263 | /* Debug bitmask flags to be used on V4L2 */ | |
264 | #define V4L2_DEBUG_IOCTL 0x01 | |
265 | #define V4L2_DEBUG_IOCTL_ARG 0x02 | |
266 | ||
267 | /* Use this macro for non-I2C drivers. Pass the driver name as the first arg. */ | |
268 | #define v4l_print_ioctl(name, cmd) \ | |
269 | do { \ | |
270 | printk(KERN_DEBUG "%s: ", name); \ | |
271 | v4l_printk_ioctl(cmd); \ | |
272 | } while (0) | |
273 | ||
274 | /* Use this macro in I2C drivers where 'client' is the struct i2c_client | |
275 | pointer */ | |
276 | #define v4l_i2c_print_ioctl(client, cmd) \ | |
277 | do { \ | |
278 | v4l_client_printk(KERN_DEBUG, client, ""); \ | |
279 | v4l_printk_ioctl(cmd); \ | |
280 | } while (0) | |
281 | ||
35ea11ff HV |
282 | /* Video standard functions */ |
283 | extern const char *v4l2_norm_to_name(v4l2_std_id id); | |
51f0b8d5 | 284 | extern void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod); |
35ea11ff HV |
285 | extern int v4l2_video_std_construct(struct v4l2_standard *vs, |
286 | int id, const char *name); | |
287 | /* Prints the ioctl in a human-readable format */ | |
288 | extern void v4l_printk_ioctl(unsigned int cmd); | |
289 | ||
290 | /* names for fancy debug output */ | |
291 | extern const char *v4l2_field_names[]; | |
292 | extern const char *v4l2_type_names[]; | |
293 | ||
bec43661 | 294 | #ifdef CONFIG_COMPAT |
35ea11ff | 295 | /* 32 Bits compatibility layer for 64 bits processors */ |
9bb7cde7 | 296 | extern long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, |
35ea11ff | 297 | unsigned long arg); |
bec43661 | 298 | #endif |
35ea11ff | 299 | |
08af245d HV |
300 | typedef long (*v4l2_kioctl)(struct file *file, |
301 | unsigned int cmd, void *arg); | |
302 | ||
35ea11ff | 303 | /* Include support for obsoleted stuff */ |
069b7479 | 304 | extern long video_usercopy(struct file *file, unsigned int cmd, |
f473bf76 | 305 | unsigned long arg, v4l2_kioctl func); |
35ea11ff | 306 | |
8a522c91 | 307 | /* Standard handlers for V4L ioctl's */ |
069b7479 | 308 | extern long video_ioctl2(struct file *file, |
8a522c91 MCC |
309 | unsigned int cmd, unsigned long arg); |
310 | ||
35ea11ff | 311 | #endif /* _V4L2_IOCTL_H */ |