projects / mirror_ubuntu-disco-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| a49d2536 AC |
1 | /* |
| 2 | * Support for Intel Camera Imaging ISP subsystem. | |
| 3 | * Copyright (c) 2015, Intel Corporation. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms and conditions of the GNU General Public License, | |
| 7 | * version 2, as published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 12 | * more details. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef __IA_CSS_TPG_H | |
| 16 | #define __IA_CSS_TPG_H | |
| 17 | ||
| d929fb4e | 18 | /* @file |
| a49d2536 AC |
19 | * This file contains support for the test pattern generator (TPG) |
| 20 | */ | |
| 21 | ||
| d929fb4e | 22 | /* Enumerate the TPG IDs. |
| a49d2536 AC |
23 | */ |
| 24 | enum ia_css_tpg_id { | |
| 25 | IA_CSS_TPG_ID0, | |
| 26 | IA_CSS_TPG_ID1, | |
| 27 | IA_CSS_TPG_ID2 | |
| 28 | }; | |
| 29 | ||
| 30 | /** | |
| 31 | * Maximum number of TPG IDs. | |
| 32 | * | |
| 33 | * Make sure the value of this define gets changed to reflect the correct | |
| 34 | * number of ia_css_tpg_id enum if you add/delete an item in the enum. | |
| 35 | */ | |
| 36 | #define N_CSS_TPG_IDS (IA_CSS_TPG_ID2+1) | |
| 37 | ||
| d929fb4e | 38 | /* Enumerate the TPG modes. |
| a49d2536 AC |
39 | */ |
| 40 | enum ia_css_tpg_mode { | |
| 41 | IA_CSS_TPG_MODE_RAMP, | |
| 42 | IA_CSS_TPG_MODE_CHECKERBOARD, | |
| 43 | IA_CSS_TPG_MODE_FRAME_BASED_COLOR, | |
| 44 | IA_CSS_TPG_MODE_MONO | |
| 45 | }; | |
| 46 | ||
| d929fb4e | 47 | /* @brief Configure the test pattern generator. |
| a49d2536 AC |
48 | * |
| 49 | * Configure the Test Pattern Generator, the way these values are used to | |
| 50 | * generate the pattern can be seen in the HRT extension for the test pattern | |
| 51 | * generator: | |
| 52 | * devices/test_pat_gen/hrt/include/test_pat_gen.h: hrt_calc_tpg_data(). | |
| 53 | * | |
| 54 | * This interface is deprecated, it is not portable -> move to input system API | |
| 55 | * | |
| 56 | @code | |
| 57 | unsigned int test_pattern_value(unsigned int x, unsigned int y) | |
| 58 | { | |
| 59 | unsigned int x_val, y_val; | |
| 60 | if (x_delta > 0) (x_val = (x << x_delta) & x_mask; | |
| 61 | else (x_val = (x >> -x_delta) & x_mask; | |
| 62 | if (y_delta > 0) (y_val = (y << y_delta) & y_mask; | |
| 63 | else (y_val = (y >> -y_delta) & x_mask; | |
| 64 | return (x_val + y_val) & xy_mask; | |
| 65 | } | |
| 66 | @endcode | |
| 67 | */ | |
| 68 | struct ia_css_tpg_config { | |
| 69 | enum ia_css_tpg_id id; | |
| 70 | enum ia_css_tpg_mode mode; | |
| 71 | unsigned int x_mask; | |
| 72 | int x_delta; | |
| 73 | unsigned int y_mask; | |
| 74 | int y_delta; | |
| 75 | unsigned int xy_mask; | |
| 76 | }; | |
| 77 | ||
| 78 | #endif /* __IA_CSS_TPG_H */ |