diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_tpg.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_tpg.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_tpg.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_tpg.h new file mode 100644 index 0000000..9238a33 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_tpg.h @@ -0,0 +1,78 @@ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef __IA_CSS_TPG_H +#define __IA_CSS_TPG_H + +/** @file + * This file contains support for the test pattern generator (TPG) + */ + +/** Enumerate the TPG IDs. + */ +enum ia_css_tpg_id { + IA_CSS_TPG_ID0, + IA_CSS_TPG_ID1, + IA_CSS_TPG_ID2 +}; + +/** + * Maximum number of TPG IDs. + * + * Make sure the value of this define gets changed to reflect the correct + * number of ia_css_tpg_id enum if you add/delete an item in the enum. + */ +#define N_CSS_TPG_IDS (IA_CSS_TPG_ID2+1) + +/** Enumerate the TPG modes. + */ +enum ia_css_tpg_mode { + IA_CSS_TPG_MODE_RAMP, + IA_CSS_TPG_MODE_CHECKERBOARD, + IA_CSS_TPG_MODE_FRAME_BASED_COLOR, + IA_CSS_TPG_MODE_MONO +}; + +/** @brief Configure the test pattern generator. + * + * Configure the Test Pattern Generator, the way these values are used to + * generate the pattern can be seen in the HRT extension for the test pattern + * generator: + * devices/test_pat_gen/hrt/include/test_pat_gen.h: hrt_calc_tpg_data(). + * + * This interface is deprecated, it is not portable -> move to input system API + * +@code +unsigned int test_pattern_value(unsigned int x, unsigned int y) +{ + unsigned int x_val, y_val; + if (x_delta > 0) (x_val = (x << x_delta) & x_mask; + else (x_val = (x >> -x_delta) & x_mask; + if (y_delta > 0) (y_val = (y << y_delta) & y_mask; + else (y_val = (y >> -y_delta) & x_mask; + return (x_val + y_val) & xy_mask; +} +@endcode + */ +struct ia_css_tpg_config { + enum ia_css_tpg_id id; + enum ia_css_tpg_mode mode; + unsigned int x_mask; + int x_delta; + unsigned int y_mask; + int y_delta; + unsigned int xy_mask; +}; + +#endif /* __IA_CSS_TPG_H */ |
