diff options
Diffstat (limited to 'drivers/media/usb/pwc/pwc-timon.h')
-rw-r--r-- | drivers/media/usb/pwc/pwc-timon.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/media/usb/pwc/pwc-timon.h b/drivers/media/usb/pwc/pwc-timon.h new file mode 100644 index 000000000..7adc459d5 --- /dev/null +++ b/drivers/media/usb/pwc/pwc-timon.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Linux driver for Philips webcam + (C) 2004-2006 Luc Saillard (luc@saillard.org) + + NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx + driver and thus may have bugs that are not present in the original version. + Please send bug reports and support requests to <luc@saillard.org>. + The decompression routines have been implemented by reverse-engineering the + Nemosoft binary pwcx module. Caveat emptor. + +*/ + + + +/* This tables contains entries for the 675/680/690 (Timon) camera, with + 4 different qualities (no compression, low, medium, high). + It lists the bandwidth requirements for said mode by its alternate interface + number. An alternate of 0 means that the mode is unavailable. + + There are 6 * 4 * 4 entries: + 6 different resolutions subqcif, qsif, qcif, sif, cif, vga + 6 framerates: 5, 10, 15, 20, 25, 30 + 4 compression modi: none, low, medium, high + + When an uncompressed mode is not available, the next available compressed mode + will be chosen (unless the decompressor is absent). Sometimes there are only + 1 or 2 compressed modes available; in that case entries are duplicated. +*/ + +#ifndef PWC_TIMON_H +#define PWC_TIMON_H + +#include "pwc.h" + +#define PWC_FPS_MAX_TIMON 6 + +struct Timon_table_entry +{ + char alternate; /* USB alternate interface */ + unsigned short packetsize; /* Normal packet size */ + unsigned short bandlength; /* Bandlength when decompressing */ + unsigned char mode[13]; /* precomputed mode settings for cam */ +}; + +extern const struct Timon_table_entry Timon_table[PSZ_MAX][PWC_FPS_MAX_TIMON][4]; +extern const unsigned int TimonRomTable [16][2][16][8]; +extern const unsigned int Timon_fps_vector[PWC_FPS_MAX_TIMON]; + +#endif + + |