| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* Linux driver for Philips webcam |
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| 3 | (C) 2004-2006 Luc Saillard (luc@saillard.org) |
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| 4 | |
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| 5 | NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx |
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| 6 | driver and thus may have bugs that are not present in the original version. |
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| 7 | Please send bug reports and support requests to <luc@saillard.org>. |
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| 8 | The decompression routines have been implemented by reverse-engineering the |
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| 9 | Nemosoft binary pwcx module. Caveat emptor. |
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| 10 | |
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| 11 | */ |
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| 12 | |
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| 13 | |
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| 14 | |
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| 15 | /* This tables contains entries for the 675/680/690 (Timon) camera, with |
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| 16 | 4 different qualities (no compression, low, medium, high). |
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| 17 | It lists the bandwidth requirements for said mode by its alternate interface |
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| 18 | number. An alternate of 0 means that the mode is unavailable. |
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| 19 | |
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| 20 | There are 6 * 4 * 4 entries: |
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| 21 | 6 different resolutions subqcif, qsif, qcif, sif, cif, vga |
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| 22 | 6 framerates: 5, 10, 15, 20, 25, 30 |
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| 23 | 4 compression modi: none, low, medium, high |
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| 24 | |
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| 25 | When an uncompressed mode is not available, the next available compressed mode |
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| 26 | will be chosen (unless the decompressor is absent). Sometimes there are only |
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| 27 | 1 or 2 compressed modes available; in that case entries are duplicated. |
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| 28 | */ |
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| 29 | |
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| 30 | #ifndef PWC_TIMON_H |
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| 31 | #define PWC_TIMON_H |
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| 32 | |
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| 33 | #include "pwc.h" |
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| 34 | |
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| 35 | #define PWC_FPS_MAX_TIMON 6 |
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| 36 | |
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| 37 | struct Timon_table_entry |
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| 38 | { |
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| 39 | char alternate; /* USB alternate interface */ |
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| 40 | unsigned short packetsize; /* Normal packet size */ |
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| 41 | unsigned short bandlength; /* Bandlength when decompressing */ |
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| 42 | unsigned char mode[13]; /* precomputed mode settings for cam */ |
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| 43 | }; |
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| 44 | |
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| 45 | extern const struct Timon_table_entry Timon_table[PSZ_MAX][PWC_FPS_MAX_TIMON][4]; |
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| 46 | extern const unsigned int TimonRomTable [16][2][16][8]; |
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| 47 | extern const unsigned int Timon_fps_vector[PWC_FPS_MAX_TIMON]; |
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| 48 | |
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| 49 | #endif |
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| 50 | |
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| 51 | |
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| 52 | |
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