diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:13:22 -0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 15:25:07 -0400 |
commit | 0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch) | |
tree | e759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/usb/pwc/pwc-misc.c | |
parent | 84cfe9e79bd5ac11c963f4841158454fefa872f6 (diff) |
[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under
drivers/media/video into drivers/media/usb and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/pwc/pwc-misc.c')
-rw-r--r-- | drivers/media/usb/pwc/pwc-misc.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/media/usb/pwc/pwc-misc.c b/drivers/media/usb/pwc/pwc-misc.c new file mode 100644 index 000000000000..9be5adffa874 --- /dev/null +++ b/drivers/media/usb/pwc/pwc-misc.c | |||
@@ -0,0 +1,93 @@ | |||
1 | /* Linux driver for Philips webcam | ||
2 | Various miscellaneous functions and tables. | ||
3 | (C) 1999-2003 Nemosoft Unv. | ||
4 | (C) 2004-2006 Luc Saillard (luc@saillard.org) | ||
5 | |||
6 | NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx | ||
7 | driver and thus may have bugs that are not present in the original version. | ||
8 | Please send bug reports and support requests to <luc@saillard.org>. | ||
9 | The decompression routines have been implemented by reverse-engineering the | ||
10 | Nemosoft binary pwcx module. Caveat emptor. | ||
11 | |||
12 | This program is free software; you can redistribute it and/or modify | ||
13 | it under the terms of the GNU General Public License as published by | ||
14 | the Free Software Foundation; either version 2 of the License, or | ||
15 | (at your option) any later version. | ||
16 | |||
17 | This program is distributed in the hope that it will be useful, | ||
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
20 | GNU General Public License for more details. | ||
21 | |||
22 | You should have received a copy of the GNU General Public License | ||
23 | along with this program; if not, write to the Free Software | ||
24 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
25 | */ | ||
26 | |||
27 | |||
28 | #include "pwc.h" | ||
29 | |||
30 | const int pwc_image_sizes[PSZ_MAX][2] = | ||
31 | { | ||
32 | { 128, 96 }, /* sqcif */ | ||
33 | { 160, 120 }, /* qsif */ | ||
34 | { 176, 144 }, /* qcif */ | ||
35 | { 320, 240 }, /* sif */ | ||
36 | { 352, 288 }, /* cif */ | ||
37 | { 640, 480 }, /* vga */ | ||
38 | }; | ||
39 | |||
40 | /* x,y -> PSZ_ */ | ||
41 | int pwc_get_size(struct pwc_device *pdev, int width, int height) | ||
42 | { | ||
43 | int i; | ||
44 | |||
45 | /* Find the largest size supported by the camera that fits into the | ||
46 | requested size. */ | ||
47 | for (i = PSZ_MAX - 1; i >= 0; i--) { | ||
48 | if (!(pdev->image_mask & (1 << i))) | ||
49 | continue; | ||
50 | |||
51 | if (pwc_image_sizes[i][0] <= width && | ||
52 | pwc_image_sizes[i][1] <= height) | ||
53 | return i; | ||
54 | } | ||
55 | |||
56 | /* No mode found, return the smallest mode we have */ | ||
57 | for (i = 0; i < PSZ_MAX; i++) { | ||
58 | if (pdev->image_mask & (1 << i)) | ||
59 | return i; | ||
60 | } | ||
61 | |||
62 | /* Never reached there always is atleast one supported mode */ | ||
63 | return 0; | ||
64 | } | ||
65 | |||
66 | /* initialize variables depending on type and decompressor */ | ||
67 | void pwc_construct(struct pwc_device *pdev) | ||
68 | { | ||
69 | if (DEVICE_USE_CODEC1(pdev->type)) { | ||
70 | |||
71 | pdev->image_mask = 1 << PSZ_SQCIF | 1 << PSZ_QCIF | 1 << PSZ_CIF; | ||
72 | pdev->vcinterface = 2; | ||
73 | pdev->vendpoint = 4; | ||
74 | pdev->frame_header_size = 0; | ||
75 | pdev->frame_trailer_size = 0; | ||
76 | |||
77 | } else if (DEVICE_USE_CODEC3(pdev->type)) { | ||
78 | |||
79 | pdev->image_mask = 1 << PSZ_QSIF | 1 << PSZ_SIF | 1 << PSZ_VGA; | ||
80 | pdev->vcinterface = 3; | ||
81 | pdev->vendpoint = 5; | ||
82 | pdev->frame_header_size = TOUCAM_HEADER_SIZE; | ||
83 | pdev->frame_trailer_size = TOUCAM_TRAILER_SIZE; | ||
84 | |||
85 | } else /* if (DEVICE_USE_CODEC2(pdev->type)) */ { | ||
86 | |||
87 | pdev->image_mask = 1 << PSZ_SQCIF | 1 << PSZ_QSIF | 1 << PSZ_QCIF | 1 << PSZ_SIF | 1 << PSZ_CIF | 1 << PSZ_VGA; | ||
88 | pdev->vcinterface = 3; | ||
89 | pdev->vendpoint = 4; | ||
90 | pdev->frame_header_size = 0; | ||
91 | pdev->frame_trailer_size = 0; | ||
92 | } | ||
93 | } | ||