diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/fpn/fpn_1.0/ia_css_fpn.host.c')
-rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/fpn/fpn_1.0/ia_css_fpn.host.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/fpn/fpn_1.0/ia_css_fpn.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/fpn/fpn_1.0/ia_css_fpn.host.c new file mode 100644 index 000000000000..7b55dfea359a --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/fpn/fpn_1.0/ia_css_fpn.host.c @@ -0,0 +1,88 @@ +/* + * 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. + */ + +#include <assert_support.h> +#include <ia_css_frame_public.h> +#include <ia_css_frame.h> +#include <ia_css_binary.h> +#include <ia_css_types.h> +#include <sh_css_defs.h> +#include <ia_css_debug.h> + +#define IA_CSS_INCLUDE_CONFIGURATIONS +#include "ia_css_isp_configs.h" +#include "isp.h" + +#include "ia_css_fpn.host.h" + +void +ia_css_fpn_encode( + struct sh_css_isp_fpn_params *to, + const struct ia_css_fpn_table *from, + unsigned int size) +{ + (void)size; + to->shift = from->shift; + to->enabled = from->data != NULL; +} + +void +ia_css_fpn_dump( + const struct sh_css_isp_fpn_params *fpn, + unsigned int level) +{ + if (!fpn) return; + ia_css_debug_dtrace(level, "Fixed Pattern Noise Reduction:\n"); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "fpn_shift", fpn->shift); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "fpn_enabled", fpn->enabled); +} + +void +ia_css_fpn_config( + struct sh_css_isp_fpn_isp_config *to, + const struct ia_css_fpn_configuration *from, + unsigned int size) +{ + unsigned int elems_a = ISP_VEC_NELEMS; + + (void)size; + ia_css_dma_configure_from_info(&to->port_b, from->info); + to->width_a_over_b = elems_a / to->port_b.elems; + + /* Assume divisiblity here, may need to generalize to fixed point. */ + assert(elems_a % to->port_b.elems == 0); +} + +void +ia_css_fpn_configure( + const struct ia_css_binary *binary, + const struct ia_css_frame_info *info) +{ + struct ia_css_frame_info my_info = IA_CSS_BINARY_DEFAULT_FRAME_INFO; + const struct ia_css_fpn_configuration config = { + &my_info + }; + + my_info.res.width = CEIL_DIV(info->res.width, 2); /* Packed by 2x */ + my_info.res.height = info->res.height; + my_info.padded_width = CEIL_DIV(info->padded_width, 2); /* Packed by 2x */ + my_info.format = info->format; + my_info.raw_bit_depth = FPN_BITS_PER_PIXEL; + my_info.raw_bayer_order = info->raw_bayer_order; + my_info.crop_info = info->crop_info; + + ia_css_configure_fpn(binary, &config); +} |