Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 1 | /* |
| 2 | * ioctl32.c: Conversion between 32bit and 64bit native ioctls. |
| 3 | * Separated from fs stuff by Arnd Bergmann <arnd@arndb.de> |
| 4 | * |
| 5 | * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) |
| 6 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) |
| 7 | * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs |
| 8 | * Copyright (C) 2003 Pavel Machek (pavel@suse.cz) |
| 9 | * Copyright (C) 2005 Philippe De Muyter (phdm@macqel.be) |
| 10 | * |
| 11 | * These routines maintain argument size conversion between 32bit and 64bit |
| 12 | * ioctls. |
| 13 | */ |
| 14 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 15 | #include <linux/compat.h> |
| 16 | #include <linux/videodev.h> |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 17 | #include <linux/videodev2.h> |
Nickolay V. Shmyrev | 133b735 | 2006-01-09 15:24:58 -0200 | [diff] [blame] | 18 | #include <linux/module.h> |
Hans Verkuil | e8efb71 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 19 | #include <linux/smp_lock.h> |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 20 | #include <media/v4l2-common.h> |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 21 | |
| 22 | #ifdef CONFIG_COMPAT |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 23 | |
| 24 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 25 | struct video_tuner32 { |
| 26 | compat_int_t tuner; |
| 27 | char name[32]; |
| 28 | compat_ulong_t rangelow, rangehigh; |
| 29 | u32 flags; /* It is really u32 in videodev.h */ |
| 30 | u16 mode, signal; |
| 31 | }; |
| 32 | |
| 33 | static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) |
| 34 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 35 | if(!access_ok(VERIFY_READ, up, sizeof(struct video_tuner32)) || |
| 36 | get_user(kp->tuner, &up->tuner) || |
| 37 | copy_from_user(kp->name, up->name, 32) || |
| 38 | get_user(kp->rangelow, &up->rangelow) || |
| 39 | get_user(kp->rangehigh, &up->rangehigh) || |
| 40 | get_user(kp->flags, &up->flags) || |
| 41 | get_user(kp->mode, &up->mode) || |
| 42 | get_user(kp->signal, &up->signal)) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 43 | return -EFAULT; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 44 | return 0; |
| 45 | } |
| 46 | |
| 47 | static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) |
| 48 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 49 | if(!access_ok(VERIFY_WRITE, up, sizeof(struct video_tuner32)) || |
| 50 | put_user(kp->tuner, &up->tuner) || |
| 51 | copy_to_user(up->name, kp->name, 32) || |
| 52 | put_user(kp->rangelow, &up->rangelow) || |
| 53 | put_user(kp->rangehigh, &up->rangehigh) || |
| 54 | put_user(kp->flags, &up->flags) || |
| 55 | put_user(kp->mode, &up->mode) || |
| 56 | put_user(kp->signal, &up->signal)) |
| 57 | return -EFAULT; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 58 | return 0; |
| 59 | } |
| 60 | |
| 61 | struct video_buffer32 { |
| 62 | compat_caddr_t base; |
| 63 | compat_int_t height, width, depth, bytesperline; |
| 64 | }; |
| 65 | |
| 66 | static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) |
| 67 | { |
| 68 | u32 tmp; |
| 69 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 70 | if (!access_ok(VERIFY_READ, up, sizeof(struct video_buffer32)) || |
| 71 | get_user(tmp, &up->base) || |
| 72 | get_user(kp->height, &up->height) || |
| 73 | get_user(kp->width, &up->width) || |
| 74 | get_user(kp->depth, &up->depth) || |
| 75 | get_user(kp->bytesperline, &up->bytesperline)) |
| 76 | return -EFAULT; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 77 | |
| 78 | /* This is actually a physical address stored |
| 79 | * as a void pointer. |
| 80 | */ |
| 81 | kp->base = (void *)(unsigned long) tmp; |
| 82 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 83 | return 0; |
| 84 | } |
| 85 | |
| 86 | static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) |
| 87 | { |
| 88 | u32 tmp = (u32)((unsigned long)kp->base); |
| 89 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 90 | if(!access_ok(VERIFY_WRITE, up, sizeof(struct video_buffer32)) || |
| 91 | put_user(tmp, &up->base) || |
| 92 | put_user(kp->height, &up->height) || |
| 93 | put_user(kp->width, &up->width) || |
| 94 | put_user(kp->depth, &up->depth) || |
| 95 | put_user(kp->bytesperline, &up->bytesperline)) |
| 96 | return -EFAULT; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 97 | return 0; |
| 98 | } |
| 99 | |
| 100 | struct video_clip32 { |
| 101 | s32 x, y, width, height; /* Its really s32 in videodev.h */ |
| 102 | compat_caddr_t next; |
| 103 | }; |
| 104 | |
| 105 | struct video_window32 { |
| 106 | u32 x, y, width, height, chromakey, flags; |
| 107 | compat_caddr_t clips; |
| 108 | compat_int_t clipcount; |
| 109 | }; |
| 110 | |
| 111 | static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 112 | { |
| 113 | int ret = -ENOIOCTLCMD; |
| 114 | |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 115 | if (file->f_op->unlocked_ioctl) |
| 116 | ret = file->f_op->unlocked_ioctl(file, cmd, arg); |
| 117 | else if (file->f_op->ioctl) { |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 118 | lock_kernel(); |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 119 | ret = file->f_op->ioctl(file->f_dentry->d_inode, file, cmd, arg); |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 120 | unlock_kernel(); |
| 121 | } |
| 122 | |
| 123 | return ret; |
| 124 | } |
| 125 | |
| 126 | |
| 127 | /* You get back everything except the clips... */ |
| 128 | static int put_video_window32(struct video_window *kp, struct video_window32 __user *up) |
| 129 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 130 | if(!access_ok(VERIFY_WRITE, up, sizeof(struct video_window32)) || |
| 131 | put_user(kp->x, &up->x) || |
| 132 | put_user(kp->y, &up->y) || |
| 133 | put_user(kp->width, &up->width) || |
| 134 | put_user(kp->height, &up->height) || |
| 135 | put_user(kp->chromakey, &up->chromakey) || |
| 136 | put_user(kp->flags, &up->flags) || |
| 137 | put_user(kp->clipcount, &up->clipcount)) |
| 138 | return -EFAULT; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 139 | return 0; |
| 140 | } |
| 141 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 142 | struct v4l2_clip32 |
| 143 | { |
| 144 | struct v4l2_rect c; |
| 145 | compat_caddr_t next; |
| 146 | }; |
| 147 | |
| 148 | struct v4l2_window32 |
| 149 | { |
| 150 | struct v4l2_rect w; |
| 151 | enum v4l2_field field; |
| 152 | __u32 chromakey; |
| 153 | compat_caddr_t clips; /* actually struct v4l2_clip32 * */ |
| 154 | __u32 clipcount; |
| 155 | compat_caddr_t bitmap; |
| 156 | }; |
| 157 | |
| 158 | static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) |
| 159 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 160 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_window32)) || |
| 161 | copy_from_user(&kp->w, &up->w, sizeof(up->w)) || |
| 162 | get_user(kp->field, &up->field) || |
| 163 | get_user(kp->chromakey, &up->chromakey) || |
| 164 | get_user(kp->clipcount, &up->clipcount)) |
| 165 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 166 | if (kp->clipcount > 2048) |
| 167 | return -EINVAL; |
| 168 | if (kp->clipcount) { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 169 | struct v4l2_clip32 __user *uclips; |
| 170 | struct v4l2_clip __user *kclips; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 171 | int n = kp->clipcount; |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 172 | compat_caddr_t p; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 173 | |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 174 | if (get_user(p, &up->clips)) |
| 175 | return -EFAULT; |
| 176 | uclips = compat_ptr(p); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 177 | kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip)); |
| 178 | kp->clips = kclips; |
| 179 | while (--n >= 0) { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 180 | if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c))) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 181 | return -EFAULT; |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 182 | if (put_user(n ? kclips + 1 : NULL, &kclips->next)) |
| 183 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 184 | uclips += 1; |
| 185 | kclips += 1; |
| 186 | } |
| 187 | } else |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 188 | kp->clips = NULL; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 189 | return 0; |
| 190 | } |
| 191 | |
| 192 | static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) |
| 193 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 194 | if (copy_to_user(&up->w, &kp->w, sizeof(up->w)) || |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 195 | put_user(kp->field, &up->field) || |
| 196 | put_user(kp->chromakey, &up->chromakey) || |
| 197 | put_user(kp->clipcount, &up->clipcount)) |
| 198 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 199 | return 0; |
| 200 | } |
| 201 | |
| 202 | static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) |
| 203 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 204 | if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format))) |
| 205 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 206 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) |
| 210 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 211 | if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format))) |
| 212 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 213 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) |
| 217 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 218 | if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format))) |
| 219 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 220 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) |
| 224 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 225 | if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format))) |
| 226 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 227 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | struct v4l2_format32 |
| 231 | { |
| 232 | enum v4l2_buf_type type; |
| 233 | union |
| 234 | { |
| 235 | struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE |
| 236 | struct v4l2_window32 win; // V4L2_BUF_TYPE_VIDEO_OVERLAY |
| 237 | struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE |
| 238 | __u8 raw_data[200]; // user-defined |
| 239 | } fmt; |
| 240 | }; |
| 241 | |
| 242 | static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) |
| 243 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 244 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) || |
| 245 | get_user(kp->type, &up->type)) |
| 246 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 247 | switch (kp->type) { |
| 248 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 249 | return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); |
| 250 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 251 | return get_v4l2_window32(&kp->fmt.win, &up->fmt.win); |
| 252 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 253 | return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); |
| 254 | default: |
| 255 | printk("compat_ioctl : unexpected VIDIOC_FMT type %d\n", |
| 256 | kp->type); |
| 257 | return -ENXIO; |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) |
| 262 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 263 | if(!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_format32)) || |
| 264 | put_user(kp->type, &up->type)) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 265 | return -EFAULT; |
| 266 | switch (kp->type) { |
| 267 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 268 | return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); |
| 269 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 270 | return put_v4l2_window32(&kp->fmt.win, &up->fmt.win); |
| 271 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 272 | return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); |
| 273 | default: |
| 274 | return -ENXIO; |
| 275 | } |
| 276 | } |
| 277 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 278 | static inline int get_v4l2_standard(struct v4l2_standard *kp, struct v4l2_standard __user *up) |
| 279 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 280 | if (copy_from_user(kp, up, sizeof(struct v4l2_standard))) |
| 281 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 282 | return 0; |
| 283 | |
| 284 | } |
| 285 | |
| 286 | static inline int put_v4l2_standard(struct v4l2_standard *kp, struct v4l2_standard __user *up) |
| 287 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 288 | if (copy_to_user(up, kp, sizeof(struct v4l2_standard))) |
| 289 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 290 | return 0; |
| 291 | } |
| 292 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 293 | struct v4l2_standard32 |
| 294 | { |
| 295 | __u32 index; |
| 296 | __u32 id[2]; /* __u64 would get the alignment wrong */ |
| 297 | __u8 name[24]; |
| 298 | struct v4l2_fract frameperiod; /* Frames, not fields */ |
| 299 | __u32 framelines; |
| 300 | __u32 reserved[4]; |
| 301 | }; |
| 302 | |
| 303 | static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) |
| 304 | { |
| 305 | /* other fields are not set by the user, nor used by the driver */ |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 306 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard32)) || |
| 307 | get_user(kp->index, &up->index)) |
| 308 | return -EFAULT; |
| 309 | return 0; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) |
| 313 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 314 | if(!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) || |
| 315 | put_user(kp->index, &up->index) || |
| 316 | copy_to_user(up->id, &kp->id, sizeof(__u64)) || |
| 317 | copy_to_user(up->name, kp->name, 24) || |
| 318 | copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) || |
| 319 | put_user(kp->framelines, &up->framelines) || |
| 320 | copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32))) |
| 321 | return -EFAULT; |
| 322 | return 0; |
| 323 | } |
| 324 | |
| 325 | static inline int get_v4l2_tuner(struct v4l2_tuner *kp, struct v4l2_tuner __user *up) |
| 326 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 327 | if (copy_from_user(kp, up, sizeof(struct v4l2_tuner))) |
| 328 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 329 | return 0; |
| 330 | |
| 331 | } |
| 332 | |
| 333 | static inline int put_v4l2_tuner(struct v4l2_tuner *kp, struct v4l2_tuner __user *up) |
| 334 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 335 | if (copy_to_user(up, kp, sizeof(struct v4l2_tuner))) |
| 336 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 337 | return 0; |
| 338 | } |
| 339 | |
| 340 | struct v4l2_buffer32 |
| 341 | { |
| 342 | __u32 index; |
| 343 | enum v4l2_buf_type type; |
| 344 | __u32 bytesused; |
| 345 | __u32 flags; |
| 346 | enum v4l2_field field; |
| 347 | struct compat_timeval timestamp; |
| 348 | struct v4l2_timecode timecode; |
| 349 | __u32 sequence; |
| 350 | |
| 351 | /* memory location */ |
| 352 | enum v4l2_memory memory; |
| 353 | union { |
| 354 | __u32 offset; |
| 355 | compat_long_t userptr; |
| 356 | } m; |
| 357 | __u32 length; |
| 358 | __u32 input; |
| 359 | __u32 reserved; |
| 360 | }; |
| 361 | |
| 362 | static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) |
| 363 | { |
| 364 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 365 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) || |
| 366 | get_user(kp->index, &up->index) || |
| 367 | get_user(kp->type, &up->type) || |
| 368 | get_user(kp->flags, &up->flags) || |
| 369 | get_user(kp->memory, &up->memory) || |
| 370 | get_user(kp->input, &up->input)) |
| 371 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 372 | switch(kp->memory) { |
| 373 | case V4L2_MEMORY_MMAP: |
| 374 | break; |
| 375 | case V4L2_MEMORY_USERPTR: |
| 376 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 377 | compat_long_t tmp; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 378 | |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 379 | if (get_user(kp->length, &up->length) || |
| 380 | get_user(tmp, &up->m.userptr)) |
| 381 | return -EFAULT; |
| 382 | |
| 383 | kp->m.userptr = (unsigned long)compat_ptr(tmp); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 384 | } |
| 385 | break; |
| 386 | case V4L2_MEMORY_OVERLAY: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 387 | if(get_user(kp->m.offset, &up->m.offset)) |
| 388 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 389 | break; |
| 390 | } |
| 391 | return 0; |
| 392 | } |
| 393 | |
| 394 | static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) |
| 395 | { |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 396 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_buffer32)) || |
| 397 | put_user(kp->index, &up->index) || |
| 398 | put_user(kp->type, &up->type) || |
| 399 | put_user(kp->flags, &up->flags) || |
| 400 | put_user(kp->memory, &up->memory) || |
| 401 | put_user(kp->input, &up->input)) |
| 402 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 403 | switch(kp->memory) { |
| 404 | case V4L2_MEMORY_MMAP: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 405 | if (put_user(kp->length, &up->length) || |
| 406 | put_user(kp->m.offset, &up->m.offset)) |
| 407 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 408 | break; |
| 409 | case V4L2_MEMORY_USERPTR: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 410 | if (put_user(kp->length, &up->length) || |
| 411 | put_user(kp->m.userptr, &up->m.userptr)) |
| 412 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 413 | break; |
| 414 | case V4L2_MEMORY_OVERLAY: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 415 | if (put_user(kp->m.offset, &up->m.offset)) |
| 416 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 417 | break; |
| 418 | } |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 419 | if (put_user(kp->bytesused, &up->bytesused) || |
| 420 | put_user(kp->field, &up->field) || |
| 421 | put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) || |
| 422 | put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) || |
| 423 | copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) || |
| 424 | put_user(kp->sequence, &up->sequence) || |
| 425 | put_user(kp->reserved, &up->reserved)) |
| 426 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | struct v4l2_framebuffer32 |
| 431 | { |
| 432 | __u32 capability; |
| 433 | __u32 flags; |
| 434 | compat_caddr_t base; |
| 435 | struct v4l2_pix_format fmt; |
| 436 | }; |
| 437 | |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 438 | static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) |
| 439 | { |
| 440 | u32 tmp; |
| 441 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 442 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) || |
| 443 | get_user(tmp, &up->base) || |
| 444 | get_user(kp->capability, &up->capability) || |
| 445 | get_user(kp->flags, &up->flags)) |
| 446 | return -EFAULT; |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 447 | kp->base = compat_ptr(tmp); |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 448 | get_v4l2_pix_format(&kp->fmt, &up->fmt); |
| 449 | return 0; |
| 450 | } |
| 451 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 452 | static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) |
| 453 | { |
| 454 | u32 tmp = (u32)((unsigned long)kp->base); |
| 455 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 456 | if(!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) || |
| 457 | put_user(tmp, &up->base) || |
| 458 | put_user(kp->capability, &up->capability) || |
| 459 | put_user(kp->flags, &up->flags)) |
| 460 | return -EFAULT; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 461 | put_v4l2_pix_format(&kp->fmt, &up->fmt); |
| 462 | return 0; |
| 463 | } |
| 464 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 465 | static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input __user *up) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 466 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 467 | if (copy_from_user(kp, up, sizeof(struct v4l2_input) - 4)) |
| 468 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input __user *up) |
| 473 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 474 | if (copy_to_user(up, kp, sizeof(struct v4l2_input) - 4)) |
| 475 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 476 | return 0; |
| 477 | } |
| 478 | |
| 479 | static inline int get_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user *up) |
| 480 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 481 | if (copy_from_user(kp, up, sizeof(struct v4l2_input))) |
| 482 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 483 | return 0; |
| 484 | } |
| 485 | |
| 486 | static inline int put_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user *up) |
| 487 | { |
Al Viro | 5b1a43d | 2006-02-01 05:24:20 -0500 | [diff] [blame] | 488 | if (copy_to_user(up, kp, sizeof(struct v4l2_input))) |
| 489 | return -EFAULT; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 490 | return 0; |
| 491 | } |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 492 | |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame^] | 493 | struct video_code32 |
| 494 | { |
| 495 | char loadwhat[16]; /* name or tag of file being passed */ |
| 496 | compat_int_t datasize; |
| 497 | unsigned char *data; |
| 498 | }; |
| 499 | |
| 500 | static inline int microcode32(struct video_code *kp, struct video_code32 __user *up) |
| 501 | { |
| 502 | if(!access_ok(VERIFY_READ, up, sizeof(struct video_code32)) || |
| 503 | copy_from_user(kp->loadwhat, up->loadwhat, sizeof (up->loadwhat)) || |
| 504 | get_user(kp->datasize, &up->datasize) || |
| 505 | copy_from_user(kp->data, up->data, up->datasize)) |
| 506 | return -EFAULT; |
| 507 | return 0; |
| 508 | } |
| 509 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 510 | #define VIDIOCGTUNER32 _IOWR('v',4, struct video_tuner32) |
| 511 | #define VIDIOCSTUNER32 _IOW('v',5, struct video_tuner32) |
| 512 | #define VIDIOCGWIN32 _IOR('v',9, struct video_window32) |
| 513 | #define VIDIOCSWIN32 _IOW('v',10, struct video_window32) |
| 514 | #define VIDIOCGFBUF32 _IOR('v',11, struct video_buffer32) |
| 515 | #define VIDIOCSFBUF32 _IOW('v',12, struct video_buffer32) |
| 516 | #define VIDIOCGFREQ32 _IOR('v',14, u32) |
| 517 | #define VIDIOCSFREQ32 _IOW('v',15, u32) |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame^] | 518 | #define VIDIOCSMICROCODE32 _IOW('v',27, struct video_code32) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 519 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 520 | /* VIDIOC_ENUMINPUT32 is VIDIOC_ENUMINPUT minus 4 bytes of padding alignement */ |
| 521 | #define VIDIOC_ENUMINPUT32 VIDIOC_ENUMINPUT - _IOC(0, 0, 0, 4) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 522 | #define VIDIOC_G_FMT32 _IOWR ('V', 4, struct v4l2_format32) |
| 523 | #define VIDIOC_S_FMT32 _IOWR ('V', 5, struct v4l2_format32) |
| 524 | #define VIDIOC_QUERYBUF32 _IOWR ('V', 9, struct v4l2_buffer32) |
| 525 | #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32) |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 526 | #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 527 | /* VIDIOC_OVERLAY is now _IOW, but was _IOWR */ |
| 528 | #define VIDIOC_OVERLAY32 _IOWR ('V', 14, compat_int_t) |
| 529 | #define VIDIOC_QBUF32 _IOWR ('V', 15, struct v4l2_buffer32) |
| 530 | #define VIDIOC_DQBUF32 _IOWR ('V', 17, struct v4l2_buffer32) |
| 531 | #define VIDIOC_STREAMON32 _IOW ('V', 18, compat_int_t) |
| 532 | #define VIDIOC_STREAMOFF32 _IOW ('V', 19, compat_int_t) |
| 533 | #define VIDIOC_ENUMSTD32 _IOWR ('V', 25, struct v4l2_standard32) |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 534 | /* VIDIOC_S_CTRL is now _IOWR, but was _IOW */ |
| 535 | #define VIDIOC_S_CTRL32 _IOW ('V', 28, struct v4l2_control) |
| 536 | #define VIDIOC_G_INPUT32 _IOR ('V', 38, compat_int_t) |
| 537 | #define VIDIOC_S_INPUT32 _IOWR ('V', 39, compat_int_t) |
| 538 | #define VIDIOC_TRY_FMT32 _IOWR ('V', 64, struct v4l2_format32) |
| 539 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 540 | enum { |
| 541 | MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip) |
| 542 | }; |
| 543 | |
| 544 | static int do_set_window(struct file *file, unsigned int cmd, unsigned long arg) |
| 545 | { |
| 546 | struct video_window32 __user *up = compat_ptr(arg); |
| 547 | struct video_window __user *vw; |
| 548 | struct video_clip __user *p; |
| 549 | int nclips; |
| 550 | u32 n; |
| 551 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 552 | if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32))) |
| 553 | return -EFAULT; |
| 554 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 555 | if (get_user(nclips, &up->clipcount)) |
| 556 | return -EFAULT; |
| 557 | |
| 558 | /* Peculiar interface... */ |
| 559 | if (nclips < 0) |
| 560 | nclips = VIDEO_CLIPMAP_SIZE; |
| 561 | |
| 562 | if (nclips > MaxClips) |
| 563 | return -ENOMEM; |
| 564 | |
| 565 | vw = compat_alloc_user_space(sizeof(struct video_window) + |
| 566 | nclips * sizeof(struct video_clip)); |
| 567 | |
| 568 | p = nclips ? (struct video_clip __user *)(vw + 1) : NULL; |
| 569 | |
| 570 | if (get_user(n, &up->x) || put_user(n, &vw->x) || |
| 571 | get_user(n, &up->y) || put_user(n, &vw->y) || |
| 572 | get_user(n, &up->width) || put_user(n, &vw->width) || |
| 573 | get_user(n, &up->height) || put_user(n, &vw->height) || |
| 574 | get_user(n, &up->chromakey) || put_user(n, &vw->chromakey) || |
| 575 | get_user(n, &up->flags) || put_user(n, &vw->flags) || |
| 576 | get_user(n, &up->clipcount) || put_user(n, &vw->clipcount) || |
| 577 | get_user(n, &up->clips) || put_user(p, &vw->clips)) |
| 578 | return -EFAULT; |
| 579 | |
| 580 | if (nclips) { |
| 581 | struct video_clip32 __user *u = compat_ptr(n); |
| 582 | int i; |
| 583 | if (!u) |
| 584 | return -EINVAL; |
| 585 | for (i = 0; i < nclips; i++, u++, p++) { |
| 586 | s32 v; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 587 | if (!access_ok(VERIFY_READ, u, sizeof(struct video_clip32)) || |
| 588 | !access_ok(VERIFY_WRITE, p, sizeof(struct video_clip32)) || |
| 589 | get_user(v, &u->x) || |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 590 | put_user(v, &p->x) || |
| 591 | get_user(v, &u->y) || |
| 592 | put_user(v, &p->y) || |
| 593 | get_user(v, &u->width) || |
| 594 | put_user(v, &p->width) || |
| 595 | get_user(v, &u->height) || |
| 596 | put_user(v, &p->height) || |
| 597 | put_user(NULL, &p->next)) |
| 598 | return -EFAULT; |
| 599 | } |
| 600 | } |
| 601 | |
Guy Martin | 009494e | 2006-01-09 15:32:45 -0200 | [diff] [blame] | 602 | return native_ioctl(file, VIDIOCSWIN, (unsigned long)vw); |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 603 | } |
| 604 | |
| 605 | static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 606 | { |
| 607 | union { |
| 608 | struct video_tuner vt; |
| 609 | struct video_buffer vb; |
| 610 | struct video_window vw; |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame^] | 611 | struct video_code vc; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 612 | struct v4l2_format v2f; |
| 613 | struct v4l2_buffer v2b; |
| 614 | struct v4l2_framebuffer v2fb; |
| 615 | struct v4l2_standard v2s; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 616 | struct v4l2_input v2i; |
| 617 | struct v4l2_tuner v2t; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 618 | unsigned long vx; |
| 619 | } karg; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 620 | void __user *up = compat_ptr(arg); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 621 | int compatible_arg = 1; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 622 | int err = 0; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 623 | int realcmd = cmd; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 624 | |
| 625 | /* First, convert the command. */ |
| 626 | switch(cmd) { |
| 627 | case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break; |
| 628 | case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break; |
| 629 | case VIDIOCGWIN32: cmd = VIDIOCGWIN; break; |
| 630 | case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break; |
| 631 | case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break; |
| 632 | case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break; |
| 633 | case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 634 | case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break; |
| 635 | case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break; |
| 636 | case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break; |
| 637 | case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break; |
| 638 | case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break; |
| 639 | case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break; |
| 640 | case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break; |
| 641 | case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break; |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 642 | case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 643 | case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 644 | case VIDIOC_ENUMSTD32: realcmd = VIDIOC_ENUMSTD; break; |
| 645 | case VIDIOC_ENUMINPUT32: realcmd = VIDIOC_ENUMINPUT; break; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 646 | case VIDIOC_S_CTRL32: cmd = VIDIOC_S_CTRL; break; |
| 647 | case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break; |
| 648 | case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break; |
| 649 | case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break; |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame^] | 650 | case VIDIOCSMICROCODE32: cmd = VIDIOCSMICROCODE; break; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 651 | }; |
| 652 | |
| 653 | switch(cmd) { |
| 654 | case VIDIOCSTUNER: |
| 655 | case VIDIOCGTUNER: |
| 656 | err = get_video_tuner32(&karg.vt, up); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 657 | compatible_arg = 0; |
| 658 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 659 | break; |
| 660 | |
| 661 | case VIDIOCSFBUF: |
| 662 | err = get_video_buffer32(&karg.vb, up); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 663 | compatible_arg = 0; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 664 | break; |
| 665 | |
| 666 | case VIDIOCSFREQ: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 667 | case VIDIOC_S_INPUT: |
| 668 | case VIDIOC_OVERLAY: |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 669 | case VIDIOC_STREAMON: |
| 670 | case VIDIOC_STREAMOFF: |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 671 | err = get_user(karg.vx, (u32 __user *)up); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 672 | compatible_arg = 0; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 673 | break; |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 674 | |
| 675 | case VIDIOC_S_FBUF: |
| 676 | err = get_v4l2_framebuffer32(&karg.v2fb, up); |
| 677 | compatible_arg = 0; |
| 678 | break; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 679 | |
| 680 | case VIDIOC_G_FMT: |
| 681 | case VIDIOC_S_FMT: |
| 682 | case VIDIOC_TRY_FMT: |
| 683 | err = get_v4l2_format32(&karg.v2f, up); |
| 684 | compatible_arg = 0; |
| 685 | break; |
| 686 | |
| 687 | case VIDIOC_QUERYBUF: |
| 688 | case VIDIOC_QBUF: |
| 689 | case VIDIOC_DQBUF: |
| 690 | err = get_v4l2_buffer32(&karg.v2b, up); |
| 691 | compatible_arg = 0; |
| 692 | break; |
| 693 | |
| 694 | case VIDIOC_ENUMSTD: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 695 | err = get_v4l2_standard(&karg.v2s, up); |
| 696 | compatible_arg = 0; |
| 697 | break; |
| 698 | |
| 699 | case VIDIOC_ENUMSTD32: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 700 | err = get_v4l2_standard32(&karg.v2s, up); |
| 701 | compatible_arg = 0; |
| 702 | break; |
| 703 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 704 | case VIDIOC_ENUMINPUT: |
| 705 | err = get_v4l2_input(&karg.v2i, up); |
| 706 | compatible_arg = 0; |
| 707 | break; |
| 708 | |
| 709 | case VIDIOC_ENUMINPUT32: |
| 710 | err = get_v4l2_input32(&karg.v2i, up); |
| 711 | compatible_arg = 0; |
| 712 | break; |
| 713 | |
| 714 | case VIDIOC_G_TUNER: |
| 715 | case VIDIOC_S_TUNER: |
| 716 | err = get_v4l2_tuner(&karg.v2t, up); |
| 717 | compatible_arg = 0; |
| 718 | break; |
| 719 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 720 | case VIDIOCGWIN: |
| 721 | case VIDIOCGFBUF: |
| 722 | case VIDIOCGFREQ: |
| 723 | case VIDIOC_G_FBUF: |
| 724 | case VIDIOC_G_INPUT: |
| 725 | compatible_arg = 0; |
Mauro Carvalho Chehab | eb4eecc | 2006-07-21 18:53:23 -0300 | [diff] [blame^] | 726 | case VIDIOCSMICROCODE: |
| 727 | err = microcode32(&karg.vc, up); |
| 728 | compatible_arg = 0; |
| 729 | break; |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 730 | }; |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 731 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 732 | if(err) |
| 733 | goto out; |
| 734 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 735 | if(compatible_arg) |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 736 | err = native_ioctl(file, realcmd, (unsigned long)up); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 737 | else { |
| 738 | mm_segment_t old_fs = get_fs(); |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 739 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 740 | set_fs(KERNEL_DS); |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 741 | err = native_ioctl(file, realcmd, (unsigned long)&karg); |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 742 | set_fs(old_fs); |
| 743 | } |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 744 | if(err == 0) { |
| 745 | switch(cmd) { |
| 746 | case VIDIOCGTUNER: |
| 747 | err = put_video_tuner32(&karg.vt, up); |
| 748 | break; |
| 749 | |
| 750 | case VIDIOCGWIN: |
| 751 | err = put_video_window32(&karg.vw, up); |
| 752 | break; |
| 753 | |
| 754 | case VIDIOCGFBUF: |
| 755 | err = put_video_buffer32(&karg.vb, up); |
| 756 | break; |
| 757 | |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 758 | case VIDIOC_G_FBUF: |
| 759 | err = put_v4l2_framebuffer32(&karg.v2fb, up); |
| 760 | break; |
| 761 | |
| 762 | case VIDIOC_G_FMT: |
| 763 | case VIDIOC_S_FMT: |
| 764 | case VIDIOC_TRY_FMT: |
| 765 | err = put_v4l2_format32(&karg.v2f, up); |
| 766 | break; |
| 767 | |
| 768 | case VIDIOC_QUERYBUF: |
| 769 | case VIDIOC_QBUF: |
| 770 | case VIDIOC_DQBUF: |
| 771 | err = put_v4l2_buffer32(&karg.v2b, up); |
| 772 | break; |
| 773 | |
| 774 | case VIDIOC_ENUMSTD: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 775 | err = put_v4l2_standard(&karg.v2s, up); |
| 776 | break; |
| 777 | |
| 778 | case VIDIOC_ENUMSTD32: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 779 | err = put_v4l2_standard32(&karg.v2s, up); |
| 780 | break; |
| 781 | |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 782 | case VIDIOC_G_TUNER: |
| 783 | case VIDIOC_S_TUNER: |
| 784 | err = put_v4l2_tuner(&karg.v2t, up); |
| 785 | break; |
| 786 | |
| 787 | case VIDIOC_ENUMINPUT: |
| 788 | err = put_v4l2_input(&karg.v2i, up); |
| 789 | break; |
| 790 | |
| 791 | case VIDIOC_ENUMINPUT32: |
| 792 | err = put_v4l2_input32(&karg.v2i, up); |
| 793 | break; |
| 794 | |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 795 | case VIDIOCGFREQ: |
Philippe De Muyter | cf664a6 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 796 | case VIDIOC_G_INPUT: |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 797 | err = put_user(((u32)karg.vx), (u32 __user *)up); |
| 798 | break; |
| 799 | }; |
| 800 | } |
| 801 | out: |
| 802 | return err; |
| 803 | } |
| 804 | |
| 805 | long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) |
| 806 | { |
| 807 | int ret = -ENOIOCTLCMD; |
| 808 | |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 809 | if (!file->f_op->ioctl) |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 810 | return ret; |
| 811 | |
| 812 | switch (cmd) { |
| 813 | case VIDIOCSWIN32: |
| 814 | ret = do_set_window(file, cmd, arg); |
| 815 | break; |
| 816 | case VIDIOCGTUNER32: |
| 817 | case VIDIOCSTUNER32: |
| 818 | case VIDIOCGWIN32: |
| 819 | case VIDIOCGFBUF32: |
| 820 | case VIDIOCSFBUF32: |
| 821 | case VIDIOCGFREQ32: |
Nickolay V. Shmyrev | 133b735 | 2006-01-09 15:24:58 -0200 | [diff] [blame] | 822 | case VIDIOCSFREQ32: |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 823 | case VIDIOC_QUERYCAP: |
| 824 | case VIDIOC_ENUM_FMT: |
| 825 | case VIDIOC_G_FMT32: |
| 826 | case VIDIOC_S_FMT32: |
| 827 | case VIDIOC_REQBUFS: |
| 828 | case VIDIOC_QUERYBUF32: |
| 829 | case VIDIOC_G_FBUF32: |
| 830 | case VIDIOC_S_FBUF32: |
| 831 | case VIDIOC_OVERLAY32: |
| 832 | case VIDIOC_QBUF32: |
| 833 | case VIDIOC_DQBUF32: |
| 834 | case VIDIOC_STREAMON32: |
| 835 | case VIDIOC_STREAMOFF32: |
| 836 | case VIDIOC_G_PARM: |
| 837 | case VIDIOC_G_STD: |
| 838 | case VIDIOC_S_STD: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 839 | case VIDIOC_G_TUNER: |
| 840 | case VIDIOC_S_TUNER: |
| 841 | case VIDIOC_ENUMSTD: |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 842 | case VIDIOC_ENUMSTD32: |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 843 | case VIDIOC_ENUMINPUT: |
Philippe De Muyter | 13d133b | 2006-01-09 15:25:00 -0200 | [diff] [blame] | 844 | case VIDIOC_ENUMINPUT32: |
| 845 | case VIDIOC_G_CTRL: |
| 846 | case VIDIOC_S_CTRL32: |
| 847 | case VIDIOC_QUERYCTRL: |
| 848 | case VIDIOC_G_INPUT32: |
| 849 | case VIDIOC_S_INPUT32: |
| 850 | case VIDIOC_TRY_FMT32: |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 851 | ret = do_video_ioctl(file, cmd, arg); |
| 852 | break; |
| 853 | |
| 854 | /* Little v, the video4linux ioctls (conflict?) */ |
| 855 | case VIDIOCGCAP: |
| 856 | case VIDIOCGCHAN: |
| 857 | case VIDIOCSCHAN: |
| 858 | case VIDIOCGPICT: |
| 859 | case VIDIOCSPICT: |
| 860 | case VIDIOCCAPTURE: |
| 861 | case VIDIOCKEY: |
| 862 | case VIDIOCGAUDIO: |
| 863 | case VIDIOCSAUDIO: |
| 864 | case VIDIOCSYNC: |
| 865 | case VIDIOCMCAPTURE: |
| 866 | case VIDIOCGMBUF: |
| 867 | case VIDIOCGUNIT: |
| 868 | case VIDIOCGCAPTURE: |
| 869 | case VIDIOCSCAPTURE: |
| 870 | |
| 871 | /* BTTV specific... */ |
| 872 | case _IOW('v', BASE_VIDIOCPRIVATE+0, char [256]): |
| 873 | case _IOR('v', BASE_VIDIOCPRIVATE+1, char [256]): |
| 874 | case _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int): |
| 875 | case _IOW('v' , BASE_VIDIOCPRIVATE+3, char [16]): /* struct bttv_pll_info */ |
| 876 | case _IOR('v' , BASE_VIDIOCPRIVATE+4, int): |
| 877 | case _IOR('v' , BASE_VIDIOCPRIVATE+5, int): |
| 878 | case _IOR('v' , BASE_VIDIOCPRIVATE+6, int): |
| 879 | case _IOR('v' , BASE_VIDIOCPRIVATE+7, int): |
| 880 | ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); |
| 881 | break; |
Guy Martin | a113bc7 | 2006-01-11 23:40:51 -0200 | [diff] [blame] | 882 | default: |
| 883 | v4l_print_ioctl("compat_ioctl32", cmd); |
MishalĂ… Pytasz | 97e2a01 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 884 | } |
Hans Verkuil | e8efb71 | 2006-01-09 15:24:59 -0200 | [diff] [blame] | 885 | return ret; |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 886 | } |
| 887 | #else |
| 888 | long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) |
| 889 | { |
| 890 | return -ENOIOCTLCMD; |
| 891 | } |
| 892 | #endif |
| 893 | EXPORT_SYMBOL_GPL(v4l_compat_ioctl32); |
Ricardo Cerqueira | 925e699 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 894 | |
| 895 | MODULE_LICENSE("GPL"); |