diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/bh/bh_2/ia_css_bh.host.c')
-rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/bh/bh_2/ia_css_bh.host.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/bh/bh_2/ia_css_bh.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/bh/bh_2/ia_css_bh.host.c new file mode 100644 index 000000000000..82aa69b74677 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/bh/bh_2/ia_css_bh.host.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * 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. + */ + +#if !defined(HAS_NO_HMEM) + +#include "ia_css_types.h" +#include "sh_css_internal.h" +#include "assert_support.h" +#include "sh_css_frac.h" + +#include "ia_css_bh.host.h" + +void +ia_css_bh_hmem_decode( + struct ia_css_3a_rgby_output *out_ptr, + const struct ia_css_bh_table *hmem_buf) +{ + int i; + + /* + * No weighted histogram, hence no grid definition + */ + if (!hmem_buf) + return; + assert(sizeof_hmem(HMEM0_ID) == sizeof(*hmem_buf)); + + /* Deinterleave */ + for (i = 0; i < HMEM_UNIT_SIZE; i++) { + out_ptr[i].r = hmem_buf->hmem[BH_COLOR_R][i]; + out_ptr[i].g = hmem_buf->hmem[BH_COLOR_G][i]; + out_ptr[i].b = hmem_buf->hmem[BH_COLOR_B][i]; + out_ptr[i].y = hmem_buf->hmem[BH_COLOR_Y][i]; + /* sh_css_print ("hmem[%d] = %d, %d, %d, %d\n", + i, out_ptr[i].r, out_ptr[i].g, out_ptr[i].b, out_ptr[i].y); */ + } +} + +void +ia_css_bh_encode( + struct sh_css_isp_bh_params *to, + const struct ia_css_3a_config *from, + unsigned int size) +{ + (void)size; + /* coefficients to calculate Y */ + to->y_coef_r = + uDIGIT_FITTING(from->ae_y_coef_r, 16, SH_CSS_AE_YCOEF_SHIFT); + to->y_coef_g = + uDIGIT_FITTING(from->ae_y_coef_g, 16, SH_CSS_AE_YCOEF_SHIFT); + to->y_coef_b = + uDIGIT_FITTING(from->ae_y_coef_b, 16, SH_CSS_AE_YCOEF_SHIFT); +} + +#endif |