Merge branch 'master' of /home/aia21/ntfs-2.6/
[linux-2.6] / drivers / media / video / v4l2-common.c
1 /*
2  *      Video for Linux Two
3  *
4  *      A generic video device interface for the LINUX operating system
5  *      using a set of device structures/vectors for low level operations.
6  *
7  *      This file replaces the videodev.c file that comes with the
8  *      regular kernel distribution.
9  *
10  *      This program is free software; you can redistribute it and/or
11  *      modify it under the terms of the GNU General Public License
12  *      as published by the Free Software Foundation; either version
13  *      2 of the License, or (at your option) any later version.
14  *
15  * Author:      Bill Dirks <bdirks@pacbell.net>
16  *              based on code by Alan Cox, <alan@cymru.net>
17  *
18  */
19
20 /*
21  * Video capture interface for Linux
22  *
23  *      A generic video device interface for the LINUX operating system
24  *      using a set of device structures/vectors for low level operations.
25  *
26  *              This program is free software; you can redistribute it and/or
27  *              modify it under the terms of the GNU General Public License
28  *              as published by the Free Software Foundation; either version
29  *              2 of the License, or (at your option) any later version.
30  *
31  * Author:      Alan Cox, <alan@redhat.com>
32  *
33  * Fixes:
34  */
35
36 /*
37  * Video4linux 1/2 integration by Justin Schoeman
38  * <justin@suntiger.ee.up.ac.za>
39  * 2.4 PROCFS support ported from 2.4 kernels by
40  *  Iñaki García Etxebarria <garetxe@euskalnet.net>
41  * Makefile fix by "W. Michael Petullo" <mike@flyn.org>
42  * 2.4 devfs support ported from 2.4 kernels by
43  *  Dan Merillat <dan@merillat.org>
44  * Added Gerd Knorrs v4l1 enhancements (Justin Schoeman)
45  */
46
47 #include <linux/config.h>
48 #include <linux/module.h>
49 #include <linux/types.h>
50 #include <linux/kernel.h>
51 #include <linux/sched.h>
52 #include <linux/smp_lock.h>
53 #include <linux/mm.h>
54 #include <linux/string.h>
55 #include <linux/errno.h>
56 #include <asm/uaccess.h>
57 #include <asm/system.h>
58 #include <asm/pgtable.h>
59 #include <asm/io.h>
60 #include <asm/div64.h>
61 #include <linux/video_decoder.h>
62 #include <media/v4l2-common.h>
63
64 #ifdef CONFIG_KMOD
65 #include <linux/kmod.h>
66 #endif
67
68 #if defined(CONFIG_UST) || defined(CONFIG_UST_MODULE)
69 #include <linux/ust.h>
70 #endif
71
72
73 #include <linux/videodev.h>
74
75 MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr");
76 MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers");
77 MODULE_LICENSE("GPL");
78
79 /*
80  *
81  *      V 4 L 2   D R I V E R   H E L P E R   A P I
82  *
83  */
84
85 /*
86  *  Video Standard Operations (contributed by Michael Schimek)
87  */
88
89
90 /* Fill in the fields of a v4l2_standard structure according to the
91    'id' and 'transmission' parameters.  Returns negative on error.  */
92 int v4l2_video_std_construct(struct v4l2_standard *vs,
93                              int id, char *name)
94 {
95         u32 index = vs->index;
96
97         memset(vs, 0, sizeof(struct v4l2_standard));
98         vs->index = index;
99         vs->id    = id;
100         if (id & V4L2_STD_525_60) {
101                 vs->frameperiod.numerator = 1001;
102                 vs->frameperiod.denominator = 30000;
103                 vs->framelines = 525;
104         } else {
105                 vs->frameperiod.numerator = 1;
106                 vs->frameperiod.denominator = 25;
107                 vs->framelines = 625;
108         }
109         strlcpy(vs->name,name,sizeof(vs->name));
110         return 0;
111 }
112
113 /* ----------------------------------------------------------------- */
114 /* priority handling                                                 */
115
116 #define V4L2_PRIO_VALID(val) (val == V4L2_PRIORITY_BACKGROUND   || \
117                               val == V4L2_PRIORITY_INTERACTIVE  || \
118                               val == V4L2_PRIORITY_RECORD)
119
120 int v4l2_prio_init(struct v4l2_prio_state *global)
121 {
122         memset(global,0,sizeof(*global));
123         return 0;
124 }
125
126 int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
127                      enum v4l2_priority new)
128 {
129         if (!V4L2_PRIO_VALID(new))
130                 return -EINVAL;
131         if (*local == new)
132                 return 0;
133
134         atomic_inc(&global->prios[new]);
135         if (V4L2_PRIO_VALID(*local))
136                 atomic_dec(&global->prios[*local]);
137         *local = new;
138         return 0;
139 }
140
141 int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local)
142 {
143         return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT);
144 }
145
146 int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local)
147 {
148         if (V4L2_PRIO_VALID(*local))
149                 atomic_dec(&global->prios[*local]);
150         return 0;
151 }
152
153 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
154 {
155         if (atomic_read(&global->prios[V4L2_PRIORITY_RECORD]) > 0)
156                 return V4L2_PRIORITY_RECORD;
157         if (atomic_read(&global->prios[V4L2_PRIORITY_INTERACTIVE]) > 0)
158                 return V4L2_PRIORITY_INTERACTIVE;
159         if (atomic_read(&global->prios[V4L2_PRIORITY_BACKGROUND]) > 0)
160                 return V4L2_PRIORITY_BACKGROUND;
161         return V4L2_PRIORITY_UNSET;
162 }
163
164 int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local)
165 {
166         if (*local < v4l2_prio_max(global))
167                 return -EBUSY;
168         return 0;
169 }
170
171
172 /* ----------------------------------------------------------------- */
173 /* some arrays for pretty-printing debug messages of enum types      */
174
175 char *v4l2_field_names[] = {
176         [V4L2_FIELD_ANY]        = "any",
177         [V4L2_FIELD_NONE]       = "none",
178         [V4L2_FIELD_TOP]        = "top",
179         [V4L2_FIELD_BOTTOM]     = "bottom",
180         [V4L2_FIELD_INTERLACED] = "interlaced",
181         [V4L2_FIELD_SEQ_TB]     = "seq-tb",
182         [V4L2_FIELD_SEQ_BT]     = "seq-bt",
183         [V4L2_FIELD_ALTERNATE]  = "alternate",
184 };
185
186 char *v4l2_type_names[] = {
187         [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap",
188         [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over",
189         [V4L2_BUF_TYPE_VIDEO_OUTPUT]  = "video-out",
190         [V4L2_BUF_TYPE_VBI_CAPTURE]   = "vbi-cap",
191         [V4L2_BUF_TYPE_VBI_OUTPUT]    = "vbi-out",
192 };
193
194 static char *v4l2_memory_names[] = {
195         [V4L2_MEMORY_MMAP]    = "mmap",
196         [V4L2_MEMORY_USERPTR] = "userptr",
197         [V4L2_MEMORY_OVERLAY] = "overlay",
198 };
199
200 #define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown"
201
202 /* ------------------------------------------------------------------ */
203 /* debug help functions                                               */
204
205 #ifdef HAVE_V4L1
206 static const char *v4l1_ioctls[] = {
207         [_IOC_NR(VIDIOCGCAP)]       = "VIDIOCGCAP",
208         [_IOC_NR(VIDIOCGCHAN)]      = "VIDIOCGCHAN",
209         [_IOC_NR(VIDIOCSCHAN)]      = "VIDIOCSCHAN",
210         [_IOC_NR(VIDIOCGTUNER)]     = "VIDIOCGTUNER",
211         [_IOC_NR(VIDIOCSTUNER)]     = "VIDIOCSTUNER",
212         [_IOC_NR(VIDIOCGPICT)]      = "VIDIOCGPICT",
213         [_IOC_NR(VIDIOCSPICT)]      = "VIDIOCSPICT",
214         [_IOC_NR(VIDIOCCAPTURE)]    = "VIDIOCCAPTURE",
215         [_IOC_NR(VIDIOCGWIN)]       = "VIDIOCGWIN",
216         [_IOC_NR(VIDIOCSWIN)]       = "VIDIOCSWIN",
217         [_IOC_NR(VIDIOCGFBUF)]      = "VIDIOCGFBUF",
218         [_IOC_NR(VIDIOCSFBUF)]      = "VIDIOCSFBUF",
219         [_IOC_NR(VIDIOCKEY)]        = "VIDIOCKEY",
220         [_IOC_NR(VIDIOCGFREQ)]      = "VIDIOCGFREQ",
221         [_IOC_NR(VIDIOCSFREQ)]      = "VIDIOCSFREQ",
222         [_IOC_NR(VIDIOCGAUDIO)]     = "VIDIOCGAUDIO",
223         [_IOC_NR(VIDIOCSAUDIO)]     = "VIDIOCSAUDIO",
224         [_IOC_NR(VIDIOCSYNC)]       = "VIDIOCSYNC",
225         [_IOC_NR(VIDIOCMCAPTURE)]   = "VIDIOCMCAPTURE",
226         [_IOC_NR(VIDIOCGMBUF)]      = "VIDIOCGMBUF",
227         [_IOC_NR(VIDIOCGUNIT)]      = "VIDIOCGUNIT",
228         [_IOC_NR(VIDIOCGCAPTURE)]   = "VIDIOCGCAPTURE",
229         [_IOC_NR(VIDIOCSCAPTURE)]   = "VIDIOCSCAPTURE",
230         [_IOC_NR(VIDIOCSPLAYMODE)]  = "VIDIOCSPLAYMODE",
231         [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
232         [_IOC_NR(VIDIOCGPLAYINFO)]  = "VIDIOCGPLAYINFO",
233         [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
234         [_IOC_NR(VIDIOCGVBIFMT)]    = "VIDIOCGVBIFMT",
235         [_IOC_NR(VIDIOCSVBIFMT)]    = "VIDIOCSVBIFMT"
236 };
237 #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
238 #endif
239
240 static const char *v4l2_ioctls[] = {
241         [_IOC_NR(VIDIOC_QUERYCAP)]         = "VIDIOC_QUERYCAP",
242         [_IOC_NR(VIDIOC_RESERVED)]         = "VIDIOC_RESERVED",
243         [_IOC_NR(VIDIOC_ENUM_FMT)]         = "VIDIOC_ENUM_FMT",
244         [_IOC_NR(VIDIOC_G_FMT)]            = "VIDIOC_G_FMT",
245         [_IOC_NR(VIDIOC_S_FMT)]            = "VIDIOC_S_FMT",
246         [_IOC_NR(VIDIOC_G_MPEGCOMP)]       = "VIDIOC_G_MPEGCOMP",
247         [_IOC_NR(VIDIOC_S_MPEGCOMP)]       = "VIDIOC_S_MPEGCOMP",
248         [_IOC_NR(VIDIOC_REQBUFS)]          = "VIDIOC_REQBUFS",
249         [_IOC_NR(VIDIOC_QUERYBUF)]         = "VIDIOC_QUERYBUF",
250         [_IOC_NR(VIDIOC_G_FBUF)]           = "VIDIOC_G_FBUF",
251         [_IOC_NR(VIDIOC_S_FBUF)]           = "VIDIOC_S_FBUF",
252         [_IOC_NR(VIDIOC_OVERLAY)]          = "VIDIOC_OVERLAY",
253         [_IOC_NR(VIDIOC_QBUF)]             = "VIDIOC_QBUF",
254         [_IOC_NR(VIDIOC_DQBUF)]            = "VIDIOC_DQBUF",
255         [_IOC_NR(VIDIOC_STREAMON)]         = "VIDIOC_STREAMON",
256         [_IOC_NR(VIDIOC_STREAMOFF)]        = "VIDIOC_STREAMOFF",
257         [_IOC_NR(VIDIOC_G_PARM)]           = "VIDIOC_G_PARM",
258         [_IOC_NR(VIDIOC_S_PARM)]           = "VIDIOC_S_PARM",
259         [_IOC_NR(VIDIOC_G_STD)]            = "VIDIOC_G_STD",
260         [_IOC_NR(VIDIOC_S_STD)]            = "VIDIOC_S_STD",
261         [_IOC_NR(VIDIOC_ENUMSTD)]          = "VIDIOC_ENUMSTD",
262         [_IOC_NR(VIDIOC_ENUMINPUT)]        = "VIDIOC_ENUMINPUT",
263         [_IOC_NR(VIDIOC_G_CTRL)]           = "VIDIOC_G_CTRL",
264         [_IOC_NR(VIDIOC_S_CTRL)]           = "VIDIOC_S_CTRL",
265         [_IOC_NR(VIDIOC_G_TUNER)]          = "VIDIOC_G_TUNER",
266         [_IOC_NR(VIDIOC_S_TUNER)]          = "VIDIOC_S_TUNER",
267         [_IOC_NR(VIDIOC_G_AUDIO)]          = "VIDIOC_G_AUDIO",
268         [_IOC_NR(VIDIOC_S_AUDIO)]          = "VIDIOC_S_AUDIO",
269         [_IOC_NR(VIDIOC_QUERYCTRL)]        = "VIDIOC_QUERYCTRL",
270         [_IOC_NR(VIDIOC_QUERYMENU)]        = "VIDIOC_QUERYMENU",
271         [_IOC_NR(VIDIOC_G_INPUT)]          = "VIDIOC_G_INPUT",
272         [_IOC_NR(VIDIOC_S_INPUT)]          = "VIDIOC_S_INPUT",
273         [_IOC_NR(VIDIOC_G_OUTPUT)]         = "VIDIOC_G_OUTPUT",
274         [_IOC_NR(VIDIOC_S_OUTPUT)]         = "VIDIOC_S_OUTPUT",
275         [_IOC_NR(VIDIOC_ENUMOUTPUT)]       = "VIDIOC_ENUMOUTPUT",
276         [_IOC_NR(VIDIOC_G_AUDOUT)]         = "VIDIOC_G_AUDOUT",
277         [_IOC_NR(VIDIOC_S_AUDOUT)]         = "VIDIOC_S_AUDOUT",
278         [_IOC_NR(VIDIOC_G_MODULATOR)]      = "VIDIOC_G_MODULATOR",
279         [_IOC_NR(VIDIOC_S_MODULATOR)]      = "VIDIOC_S_MODULATOR",
280         [_IOC_NR(VIDIOC_G_FREQUENCY)]      = "VIDIOC_G_FREQUENCY",
281         [_IOC_NR(VIDIOC_S_FREQUENCY)]      = "VIDIOC_S_FREQUENCY",
282         [_IOC_NR(VIDIOC_CROPCAP)]          = "VIDIOC_CROPCAP",
283         [_IOC_NR(VIDIOC_G_CROP)]           = "VIDIOC_G_CROP",
284         [_IOC_NR(VIDIOC_S_CROP)]           = "VIDIOC_S_CROP",
285         [_IOC_NR(VIDIOC_G_JPEGCOMP)]       = "VIDIOC_G_JPEGCOMP",
286         [_IOC_NR(VIDIOC_S_JPEGCOMP)]       = "VIDIOC_S_JPEGCOMP",
287         [_IOC_NR(VIDIOC_QUERYSTD)]         = "VIDIOC_QUERYSTD",
288         [_IOC_NR(VIDIOC_TRY_FMT)]          = "VIDIOC_TRY_FMT",
289         [_IOC_NR(VIDIOC_ENUMAUDIO)]        = "VIDIOC_ENUMAUDIO",
290         [_IOC_NR(VIDIOC_ENUMAUDOUT)]       = "VIDIOC_ENUMAUDOUT",
291         [_IOC_NR(VIDIOC_G_PRIORITY)]       = "VIDIOC_G_PRIORITY",
292         [_IOC_NR(VIDIOC_S_PRIORITY)]       = "VIDIOC_S_PRIORITY",
293 #if 1
294         [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
295 #endif
296         [_IOC_NR(VIDIOC_LOG_STATUS)]       = "VIDIOC_LOG_STATUS"
297 };
298 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
299
300 static const char *v4l2_int_ioctls[] = {
301 #ifdef HAVE_VIDEO_DECODER
302         [_IOC_NR(DECODER_GET_CAPABILITIES)]    = "DECODER_GET_CAPABILITIES",
303         [_IOC_NR(DECODER_GET_STATUS)]          = "DECODER_GET_STATUS",
304         [_IOC_NR(DECODER_SET_NORM)]            = "DECODER_SET_NORM",
305         [_IOC_NR(DECODER_SET_INPUT)]           = "DECODER_SET_INPUT",
306         [_IOC_NR(DECODER_SET_OUTPUT)]          = "DECODER_SET_OUTPUT",
307         [_IOC_NR(DECODER_ENABLE_OUTPUT)]       = "DECODER_ENABLE_OUTPUT",
308         [_IOC_NR(DECODER_SET_PICTURE)]         = "DECODER_SET_PICTURE",
309         [_IOC_NR(DECODER_SET_GPIO)]            = "DECODER_SET_GPIO",
310         [_IOC_NR(DECODER_INIT)]                = "DECODER_INIT",
311         [_IOC_NR(DECODER_SET_VBI_BYPASS)]      = "DECODER_SET_VBI_BYPASS",
312         [_IOC_NR(DECODER_DUMP)]                = "DECODER_DUMP",
313 #endif
314         [_IOC_NR(AUDC_SET_RADIO)]              = "AUDC_SET_RADIO",
315         [_IOC_NR(AUDC_SET_INPUT)]              = "AUDC_SET_INPUT",
316         [_IOC_NR(MSP_SET_MATRIX)]              = "MSP_SET_MATRIX",
317
318         [_IOC_NR(TUNER_SET_TYPE_ADDR)]         = "TUNER_SET_TYPE_ADDR",
319         [_IOC_NR(TUNER_SET_STANDBY)]           = "TUNER_SET_STANDBY",
320         [_IOC_NR(TDA9887_SET_CONFIG)]          = "TDA9887_SET_CONFIG",
321
322         [_IOC_NR(VIDIOC_INT_S_REGISTER)]       = "VIDIOC_INT_S_REGISTER",
323         [_IOC_NR(VIDIOC_INT_G_REGISTER)]       = "VIDIOC_INT_G_REGISTER",
324         [_IOC_NR(VIDIOC_INT_RESET)]            = "VIDIOC_INT_RESET",
325         [_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ",
326         [_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)]  = "VIDIOC_INT_DECODE_VBI_LINE",
327         [_IOC_NR(VIDIOC_INT_S_VBI_DATA)]       = "VIDIOC_INT_S_VBI_DATA",
328         [_IOC_NR(VIDIOC_INT_G_VBI_DATA)]       = "VIDIOC_INT_G_VBI_DATA",
329         [_IOC_NR(VIDIOC_INT_G_CHIP_IDENT)]     = "VIDIOC_INT_G_CHIP_IDENT",
330         [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)]   = "VIDIOC_INT_I2S_CLOCK_FREQ"
331 };
332 #define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
333
334 static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt)
335 {
336         printk ("%s: width=%d, height=%d, format=%d, field=%s, "
337                 "bytesperline=%d sizeimage=%d, colorspace=%d\n", s,
338                 fmt->width,fmt->height,fmt->pixelformat,
339                 prt_names(fmt->field,v4l2_field_names),
340                 fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
341 };
342
343 /* Common ioctl debug function. This function can be used by
344    external ioctl messages as well as internal V4L ioctl */
345 void v4l_printk_ioctl(unsigned int cmd)
346 {
347         char *dir;
348
349         switch (_IOC_DIR(cmd)) {
350         case _IOC_NONE:              dir = "--"; break;
351         case _IOC_READ:              dir = "r-"; break;
352         case _IOC_WRITE:             dir = "-w"; break;
353         case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
354         default:                     dir = "*ERR*"; break;
355         }
356         switch (_IOC_TYPE(cmd)) {
357         case 'd':
358                 printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n",
359                        (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ?
360                        v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
361                 break;
362 #ifdef HAVE_V4L1
363         case 'v':
364                 printk("v4l1 ioctl %s, dir=%s (0x%08x)\n",
365                        (_IOC_NR(cmd) < V4L1_IOCTLS) ?
366                        v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
367                 break;
368 #endif
369         case 'V':
370                 printk("v4l2 ioctl %s, dir=%s (0x%08x)\n",
371                        (_IOC_NR(cmd) < V4L2_IOCTLS) ?
372                        v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
373                 break;
374
375         default:
376                 printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n",
377                        _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
378         }
379 }
380
381 /* Common ioctl debug function. This function can be used by
382    external ioctl messages as well as internal V4L ioctl and its
383    arguments */
384 void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
385 {
386         printk(s);
387         printk(": ");
388         v4l_printk_ioctl(cmd);
389         switch (cmd) {
390         case VIDIOC_INT_G_CHIP_IDENT:
391         {
392                 enum v4l2_chip_ident  *p=arg;
393                 printk ("%s: chip ident=%d\n", s, *p);
394                 break;
395         }
396         case VIDIOC_G_PRIORITY:
397         case VIDIOC_S_PRIORITY:
398         {
399                 enum v4l2_priority *p=arg;
400                 printk ("%s: priority=%d\n", s, *p);
401                 break;
402         }
403         case VIDIOC_INT_S_TUNER_MODE:
404         {
405                 enum v4l2_tuner_type *p=arg;
406                 printk ("%s: tuner type=%d\n", s, *p);
407                 break;
408         }
409         case DECODER_SET_VBI_BYPASS:
410         case DECODER_ENABLE_OUTPUT:
411         case DECODER_GET_STATUS:
412         case DECODER_SET_OUTPUT:
413         case DECODER_SET_INPUT:
414         case DECODER_SET_GPIO:
415         case DECODER_SET_NORM:
416         case VIDIOCCAPTURE:
417         case VIDIOCSYNC:
418         case VIDIOCSWRITEMODE:
419         case TUNER_SET_TYPE_ADDR:
420         case TUNER_SET_STANDBY:
421         case TDA9887_SET_CONFIG:
422         case AUDC_SET_INPUT:
423         case VIDIOC_OVERLAY_OLD:
424         case VIDIOC_STREAMOFF:
425         case VIDIOC_G_OUTPUT:
426         case VIDIOC_S_OUTPUT:
427         case VIDIOC_STREAMON:
428         case VIDIOC_G_INPUT:
429         case VIDIOC_OVERLAY:
430         case VIDIOC_S_INPUT:
431         {
432                 int *p=arg;
433                 printk ("%s: value=%d\n", s, *p);
434                 break;
435         }
436         case MSP_SET_MATRIX:
437         {
438                 struct msp_matrix *p=arg;
439                 printk ("%s: input=%d, output=%d\n", s, p->input, p->output);
440                 break;
441         }
442         case VIDIOC_G_AUDIO:
443         case VIDIOC_S_AUDIO:
444         case VIDIOC_ENUMAUDIO:
445         case VIDIOC_G_AUDIO_OLD:
446         {
447                 struct v4l2_audio *p=arg;
448
449                 printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n",
450                         s,p->index, p->name,p->capability, p->mode);
451                 break;
452         }
453         case VIDIOC_G_AUDOUT:
454         case VIDIOC_S_AUDOUT:
455         case VIDIOC_ENUMAUDOUT:
456         case VIDIOC_G_AUDOUT_OLD:
457         {
458                 struct v4l2_audioout *p=arg;
459                 printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s,
460                                 p->index, p->name, p->capability,p->mode);
461                 break;
462         }
463         case VIDIOC_QBUF:
464         case VIDIOC_DQBUF:
465         case VIDIOC_QUERYBUF:
466         {
467                 struct v4l2_buffer *p=arg;
468                 struct v4l2_timecode *tc=&p->timecode;
469                 printk ("%s: %02ld:%02d:%02d.%08ld index=%d, type=%s, "
470                         "bytesused=%d, flags=0x%08d, "
471                         "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n",
472                                 s,
473                                 (p->timestamp.tv_sec/3600),
474                                 (int)(p->timestamp.tv_sec/60)%60,
475                                 (int)(p->timestamp.tv_sec%60),
476                                 p->timestamp.tv_usec,
477                                 p->index,
478                                 prt_names(p->type,v4l2_type_names),
479                                 p->bytesused,p->flags,
480                                 p->field,p->sequence,
481                                 prt_names(p->memory,v4l2_memory_names),
482                                 p->m.userptr);
483                 printk ("%s: timecode= %02d:%02d:%02d type=%d, "
484                         "flags=0x%08d, frames=%d, userbits=0x%08x",
485                                 s,tc->hours,tc->minutes,tc->seconds,
486                                 tc->type, tc->flags, tc->frames, (__u32) tc->userbits);
487                 break;
488         }
489         case VIDIOC_QUERYCAP:
490         {
491                 struct v4l2_capability *p=arg;
492                 printk ("%s: driver=%s, card=%s, bus=%s, version=%d, "
493                         "capabilities=%d\n", s,
494                                 p->driver,p->card,p->bus_info,
495                                 p->version,
496                                 p->capabilities);
497                 break;
498         }
499         case VIDIOC_G_CTRL:
500         case VIDIOC_S_CTRL:
501         case VIDIOC_S_CTRL_OLD:
502         {
503                 struct v4l2_control *p=arg;
504                 printk ("%s: id=%d, value=%d\n", s, p->id, p->value);
505                 break;
506         }
507         case VIDIOC_G_CROP:
508         case VIDIOC_S_CROP:
509         {
510                 struct v4l2_crop *p=arg;
511                 /*FIXME: Should also show rect structs */
512                 printk ("%s: type=%d\n", s, p->type);
513                 break;
514         }
515         case VIDIOC_CROPCAP:
516         case VIDIOC_CROPCAP_OLD:
517         {
518                 struct v4l2_cropcap *p=arg;
519                 /*FIXME: Should also show rect structs */
520                 printk ("%s: type=%d\n", s, p->type);
521                 break;
522         }
523         case VIDIOC_INT_DECODE_VBI_LINE:
524         {
525                 struct v4l2_decode_vbi_line *p=arg;
526                 printk ("%s: is_second_field=%d, ptr=0x%08lx, line=%d, "
527                         "type=%d\n", s,
528                                 p->is_second_field,(unsigned long)p->p,p->line,p->type);
529                 break;
530         }
531         case VIDIOC_ENUM_FMT:
532         {
533                 struct v4l2_fmtdesc *p=arg;
534                 printk ("%s: index=%d, type=%d, flags=%d, description=%s,"
535                         " pixelformat=%d\n", s,
536                                 p->index, p->type, p->flags,p->description,
537                                 p->pixelformat);
538
539                 break;
540         }
541         case VIDIOC_G_FMT:
542         case VIDIOC_S_FMT:
543         case VIDIOC_TRY_FMT:
544         {
545                 struct v4l2_format *p=arg;
546                 printk ("%s: type=%s\n", s,
547                                 prt_names(p->type,v4l2_type_names));
548                 switch (p->type) {
549                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
550                         v4l_print_pix_fmt (s, &p->fmt.pix);
551                         break;
552                 default:
553                         break;
554                 }
555         }
556         case VIDIOC_G_FBUF:
557         case VIDIOC_S_FBUF:
558         {
559                 struct v4l2_framebuffer *p=arg;
560                 printk ("%s: capability=%d, flags=%d, base=0x%08lx\n", s,
561                                 p->capability,p->flags, (unsigned long)p->base);
562                 v4l_print_pix_fmt (s, &p->fmt);
563                 break;
564         }
565         case VIDIOC_G_FREQUENCY:
566         case VIDIOC_S_FREQUENCY:
567         {
568                 struct v4l2_frequency *p=arg;
569                 printk ("%s: tuner=%d, type=%d, frequency=%d\n", s,
570                                 p->tuner,p->type,p->frequency);
571                 break;
572         }
573         case VIDIOC_ENUMINPUT:
574         {
575                 struct v4l2_input *p=arg;
576                 printk ("%s: index=%d, name=%s, type=%d, audioset=%d, "
577                         "tuner=%d, std=%lld, status=%d\n", s,
578                                 p->index,p->name,p->type,p->audioset,
579                                 p->tuner,p->std,
580                                 p->status);
581                 break;
582         }
583         case VIDIOC_G_JPEGCOMP:
584         case VIDIOC_S_JPEGCOMP:
585         {
586                 struct v4l2_jpegcompression *p=arg;
587                 printk ("%s: quality=%d, APPn=%d, APP_len=%d, COM_len=%d,"
588                         " jpeg_markers=%d\n", s,
589                                 p->quality,p->APPn,p->APP_len,
590                                 p->COM_len,p->jpeg_markers);
591                 break;
592         }
593         case VIDIOC_G_MODULATOR:
594         case VIDIOC_S_MODULATOR:
595         {
596                 struct v4l2_modulator *p=arg;
597                 printk ("%s: index=%d, name=%s, capability=%d, rangelow=%d,"
598                         " rangehigh=%d, txsubchans=%d\n", s,
599                                 p->index, p->name,p->capability,p->rangelow,
600                                 p->rangehigh,p->txsubchans);
601                 break;
602         }
603         case VIDIOC_G_MPEGCOMP:
604         case VIDIOC_S_MPEGCOMP:
605         {
606                 struct v4l2_mpeg_compression *p=arg;
607                 /*FIXME: Several fields not shown */
608                 printk ("%s: ts_pid_pmt=%d, ts_pid_audio=%d, ts_pid_video=%d, "
609                         "ts_pid_pcr=%d, ps_size=%d, au_sample_rate=%d, "
610                         "au_pesid=%c, vi_frame_rate=%d, vi_frames_per_gop=%d, "
611                         "vi_bframes_count=%d, vi_pesid=%c\n", s,
612                                 p->ts_pid_pmt,p->ts_pid_audio, p->ts_pid_video,
613                                 p->ts_pid_pcr, p->ps_size, p->au_sample_rate,
614                                 p->au_pesid, p->vi_frame_rate,
615                                 p->vi_frames_per_gop, p->vi_bframes_count,
616                                 p->vi_pesid);
617                 break;
618         }
619         case VIDIOC_ENUMOUTPUT:
620         {
621                 struct v4l2_output *p=arg;
622                 printk ("%s: index=%d, name=%s,type=%d, audioset=%d, "
623                         "modulator=%d, std=%lld\n",
624                                 s,p->index,p->name,p->type,p->audioset,
625                                 p->modulator,p->std);
626                 break;
627         }
628         case VIDIOC_QUERYCTRL:
629         {
630                 struct v4l2_queryctrl *p=arg;
631                 printk ("%s: id=%d, type=%d, name=%s, min/max=%d/%d,"
632                         " step=%d, default=%d, flags=0x%08x\n", s,
633                                 p->id,p->type,p->name,p->minimum,p->maximum,
634                                 p->step,p->default_value,p->flags);
635                 break;
636         }
637         case VIDIOC_QUERYMENU:
638         {
639                 struct v4l2_querymenu *p=arg;
640                 printk ("%s: id=%d, index=%d, name=%s\n", s,
641                                 p->id,p->index,p->name);
642                 break;
643         }
644         case VIDIOC_INT_G_REGISTER:
645         case VIDIOC_INT_S_REGISTER:
646         {
647                 struct v4l2_register *p=arg;
648                 printk ("%s: i2c_id=%d, reg=%lu, val=%d\n", s,
649                                 p->i2c_id,p->reg,p->val);
650
651                 break;
652         }
653         case VIDIOC_REQBUFS:
654         {
655                 struct v4l2_requestbuffers *p=arg;
656                 printk ("%s: count=%d, type=%s, memory=%s\n", s,
657                                 p->count,
658                                 prt_names(p->type,v4l2_type_names),
659                                 prt_names(p->memory,v4l2_memory_names));
660                 break;
661         }
662         case VIDIOC_INT_S_AUDIO_ROUTING:
663         case VIDIOC_INT_S_VIDEO_ROUTING:
664         case VIDIOC_INT_G_AUDIO_ROUTING:
665         case VIDIOC_INT_G_VIDEO_ROUTING:
666         {
667                 struct v4l2_routing  *p=arg;
668                 printk ("%s: input=%d, output=%d\n", s, p->input, p->output);
669                 break;
670         }
671         case VIDIOC_G_SLICED_VBI_CAP:
672         {
673                 struct v4l2_sliced_vbi_cap *p=arg;
674                 printk ("%s: service_set=%d\n", s,
675                                 p->service_set);
676                 break;
677         }
678         case VIDIOC_INT_S_VBI_DATA:
679         case VIDIOC_INT_G_VBI_DATA:
680         {
681                 struct v4l2_sliced_vbi_data  *p=arg;
682                 printk ("%s: id=%d, field=%d, line=%d\n", s,
683                                 p->id, p->field, p->line);
684                 break;
685         }
686         case VIDIOC_ENUMSTD:
687         {
688                 struct v4l2_standard *p=arg;
689                 printk ("%s: index=%d, id=%lld, name=%s, fps=%d/%d, framelines=%d\n", s,
690                                 p->index, p->id, p->name,
691                                 p->frameperiod.numerator,
692                                 p->frameperiod.denominator,
693                                 p->framelines);
694
695                 break;
696         }
697         case VIDIOC_G_PARM:
698         case VIDIOC_S_PARM:
699         case VIDIOC_S_PARM_OLD:
700         {
701                 struct v4l2_streamparm *p=arg;
702                 printk ("%s: type=%d\n", s, p->type);
703
704                 break;
705         }
706         case VIDIOC_G_TUNER:
707         case VIDIOC_S_TUNER:
708         {
709                 struct v4l2_tuner *p=arg;
710                 printk ("%s: index=%d, name=%s, type=%d, capability=%d, "
711                         "rangelow=%d, rangehigh=%d, signal=%d, afc=%d, "
712                         "rxsubchans=%d, audmode=%d\n", s,
713                                 p->index, p->name, p->type,
714                                 p->capability, p->rangelow,p->rangehigh,
715                                 p->rxsubchans, p->audmode, p->signal,
716                                 p->afc);
717                 break;
718         }
719         case VIDIOCGVBIFMT:
720         case VIDIOCSVBIFMT:
721         {
722                 struct vbi_format *p=arg;
723                 printk ("%s: sampling_rate=%d, samples_per_line=%d, "
724                         "sample_format=%d, start=%d/%d, count=%d/%d, flags=%d\n", s,
725                                 p->sampling_rate,p->samples_per_line,
726                                 p->sample_format,p->start[0],p->start[1],
727                                 p->count[0],p->count[1],p->flags);
728                 break;
729         }
730         case VIDIOCGAUDIO:
731         case VIDIOCSAUDIO:
732         {
733                 struct video_audio *p=arg;
734                 printk ("%s: audio=%d, volume=%d, bass=%d, treble=%d, "
735                         "flags=%d, name=%s, mode=%d, balance=%d, step=%d\n",
736                                 s,p->audio,p->volume,p->bass, p->treble,
737                                 p->flags,p->name,p->mode,p->balance,p->step);
738                 break;
739         }
740         case VIDIOCGFBUF:
741         case VIDIOCSFBUF:
742         {
743                 struct video_buffer *p=arg;
744                 printk ("%s: base=%08lx, height=%d, width=%d, depth=%d, "
745                         "bytesperline=%d\n", s,
746                                 (unsigned long) p->base, p->height, p->width,
747                                 p->depth,p->bytesperline);
748                 break;
749         }
750         case VIDIOCGCAP:
751         {
752                 struct video_capability *p=arg;
753                 printk ("%s: name=%s, type=%d, channels=%d, audios=%d, "
754                         "maxwidth=%d, maxheight=%d, minwidth=%d, minheight=%d\n",
755                                 s,p->name,p->type,p->channels,p->audios,
756                                 p->maxwidth,p->maxheight,p->minwidth,
757                                 p->minheight);
758
759                 break;
760         }
761         case VIDIOCGCAPTURE:
762         case VIDIOCSCAPTURE:
763         {
764                 struct video_capture *p=arg;
765                 printk ("%s: x=%d, y=%d, width=%d, height=%d, decimation=%d,"
766                         " flags=%d\n", s,
767                                 p->x, p->y,p->width, p->height,
768                                 p->decimation,p->flags);
769                 break;
770         }
771         case VIDIOCGCHAN:
772         case VIDIOCSCHAN:
773         {
774                 struct video_channel *p=arg;
775                 printk ("%s: channel=%d, name=%s, tuners=%d, flags=%d, "
776                         "type=%d, norm=%d\n", s,
777                                 p->channel,p->name,p->tuners,
778                                 p->flags,p->type,p->norm);
779
780                 break;
781         }
782         case VIDIOCSMICROCODE:
783         {
784                 struct video_code *p=arg;
785                 printk ("%s: loadwhat=%s, datasize=%d\n", s,
786                                 p->loadwhat,p->datasize);
787                 break;
788         }
789         case DECODER_GET_CAPABILITIES:
790         {
791                 struct video_decoder_capability *p=arg;
792                 printk ("%s: flags=%d, inputs=%d, outputs=%d\n", s,
793                                 p->flags,p->inputs,p->outputs);
794                 break;
795         }
796         case DECODER_INIT:
797         {
798                 struct video_decoder_init *p=arg;
799                 printk ("%s: len=%c\n", s, p->len);
800                 break;
801         }
802         case VIDIOCGPLAYINFO:
803         {
804                 struct video_info *p=arg;
805                 printk ("%s: frame_count=%d, h_size=%d, v_size=%d, "
806                         "smpte_timecode=%d, picture_type=%d, "
807                         "temporal_reference=%d, user_data=%s\n", s,
808                                 p->frame_count, p->h_size,
809                                 p->v_size, p->smpte_timecode,
810                                 p->picture_type, p->temporal_reference,
811                                 p->user_data);
812                 break;
813         }
814         case VIDIOCKEY:
815         {
816                 struct video_key *p=arg;
817                 printk ("%s: key=%s, flags=%d\n", s,
818                                 p->key, p->flags);
819                 break;
820         }
821         case VIDIOCGMBUF:
822         {
823                 struct video_mbuf *p=arg;
824                 printk ("%s: size=%d, frames=%d, offsets=0x%08lx\n", s,
825                                 p->size,
826                                 p->frames,
827                                 (unsigned long)p->offsets);
828                 break;
829         }
830         case VIDIOCMCAPTURE:
831         {
832                 struct video_mmap *p=arg;
833                 printk ("%s: frame=%d, height=%d, width=%d, format=%d\n", s,
834                                 p->frame,
835                                 p->height, p->width,
836                                 p->format);
837                 break;
838         }
839         case VIDIOCGPICT:
840         case VIDIOCSPICT:
841         case DECODER_SET_PICTURE:
842         {
843                 struct video_picture *p=arg;
844
845                 printk ("%s: brightness=%d, hue=%d, colour=%d, contrast=%d,"
846                         " whiteness=%d, depth=%d, palette=%d\n", s,
847                                 p->brightness, p->hue, p->colour,
848                                 p->contrast, p->whiteness, p->depth,
849                                 p->palette);
850                 break;
851         }
852         case VIDIOCSPLAYMODE:
853         {
854                 struct video_play_mode *p=arg;
855                 printk ("%s: mode=%d, p1=%d, p2=%d\n", s,
856                                 p->mode,p->p1,p->p2);
857                 break;
858         }
859         case VIDIOCGTUNER:
860         case VIDIOCSTUNER:
861         {
862                 struct video_tuner *p=arg;
863                 printk ("%s: tuner=%d, name=%s, rangelow=%ld, rangehigh=%ld, "
864                         "flags=%d, mode=%d, signal=%d\n", s,
865                                 p->tuner, p->name,p->rangelow, p->rangehigh,
866                                 p->flags,p->mode, p->signal);
867                 break;
868         }
869         case VIDIOCGUNIT:
870         {
871                 struct video_unit *p=arg;
872                 printk ("%s: video=%d, vbi=%d, radio=%d, audio=%d, "
873                         "teletext=%d\n", s,
874                                 p->video,p->vbi,p->radio,p->audio,p->teletext);
875                 break;
876         }
877         case VIDIOCGWIN:
878         case VIDIOCSWIN:
879         {
880                 struct video_window *p=arg;
881                 printk ("%s: x=%d, y=%d, width=%d, height=%d, chromakey=%d,"
882                         " flags=%d, clipcount=%d\n", s,
883                                 p->x, p->y,p->width, p->height,
884                                 p->chromakey,p->flags,
885                                 p->clipcount);
886                 break;
887         }
888         case VIDIOC_INT_AUDIO_CLOCK_FREQ:
889         case VIDIOC_INT_I2S_CLOCK_FREQ:
890         case VIDIOC_INT_S_STANDBY:
891         {
892                 u32 *p=arg;
893
894                 printk ("%s: value=%d\n", s, *p);
895                 break;
896         }
897         case VIDIOCGFREQ:
898         case VIDIOCSFREQ:
899         {
900                 unsigned long *p=arg;
901                 printk ("%s: value=%lu\n", s, *p);
902                 break;
903         }
904         case VIDIOC_G_STD:
905         case VIDIOC_S_STD:
906         case VIDIOC_QUERYSTD:
907         {
908                 v4l2_std_id *p=arg;
909
910                 printk ("%s: value=%llu\n", s, *p);
911                 break;
912         }
913         }
914 }
915
916 /* ----------------------------------------------------------------- */
917
918 EXPORT_SYMBOL(v4l2_video_std_construct);
919
920 EXPORT_SYMBOL(v4l2_prio_init);
921 EXPORT_SYMBOL(v4l2_prio_change);
922 EXPORT_SYMBOL(v4l2_prio_open);
923 EXPORT_SYMBOL(v4l2_prio_close);
924 EXPORT_SYMBOL(v4l2_prio_max);
925 EXPORT_SYMBOL(v4l2_prio_check);
926
927 EXPORT_SYMBOL(v4l2_field_names);
928 EXPORT_SYMBOL(v4l2_type_names);
929 EXPORT_SYMBOL(v4l_printk_ioctl);
930 EXPORT_SYMBOL(v4l_printk_ioctl_arg);
931
932 /*
933  * Local variables:
934  * c-basic-offset: 8
935  * End:
936  */