diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/ob/ob_1.0/ia_css_ob.host.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/ob/ob_1.0/ia_css_ob.host.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ob/ob_1.0/ia_css_ob.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/ob/ob_1.0/ia_css_ob.host.c new file mode 100644 index 000000000000..6367d94275fb --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ob/ob_1.0/ia_css_ob.host.c @@ -0,0 +1,154 @@ +/* + * 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 "ia_css_types.h" +#include "sh_css_defs.h" +#include "ia_css_debug.h" +#include "isp.h" + +#include "ia_css_ob.host.h" + +const struct ia_css_ob_config default_ob_config = { + IA_CSS_OB_MODE_NONE, + 0, + 0, + 0, + 0, + 0, + 0 +}; + +/* TODO: include ob.isp.h to get isp knowledge and + add assert on platform restrictions */ + +void +ia_css_ob_configure( + struct sh_css_isp_ob_stream_config *config, + unsigned int isp_pipe_version, + unsigned int raw_bit_depth) +{ + config->isp_pipe_version = isp_pipe_version; + config->raw_bit_depth = raw_bit_depth; +} + +void +ia_css_ob_encode( + struct sh_css_isp_ob_params *to, + const struct ia_css_ob_config *from, + const struct sh_css_isp_ob_stream_config *config, + unsigned int size) +{ + unsigned int ob_bit_depth + = config->isp_pipe_version == 2 ? SH_CSS_BAYER_BITS : config->raw_bit_depth; + unsigned int scale = 16 - ob_bit_depth; + + (void)size; + switch (from->mode) { + case IA_CSS_OB_MODE_FIXED: + to->blacklevel_gr = from->level_gr >> scale; + to->blacklevel_r = from->level_r >> scale; + to->blacklevel_b = from->level_b >> scale; + to->blacklevel_gb = from->level_gb >> scale; + to->area_start_bq = 0; + to->area_length_bq = 0; + to->area_length_bq_inverse = 0; + break; + case IA_CSS_OB_MODE_RASTER: + to->blacklevel_gr = 0; + to->blacklevel_r = 0; + to->blacklevel_b = 0; + to->blacklevel_gb = 0; + to->area_start_bq = from->start_position; + to->area_length_bq = + (from->end_position - from->start_position) + 1; + to->area_length_bq_inverse = AREA_LENGTH_UNIT / to->area_length_bq; + break; + default: + to->blacklevel_gr = 0; + to->blacklevel_r = 0; + to->blacklevel_b = 0; + to->blacklevel_gb = 0; + to->area_start_bq = 0; + to->area_length_bq = 0; + to->area_length_bq_inverse = 0; + break; + } +} + +void +ia_css_ob_vmem_encode( + struct sh_css_isp_ob_vmem_params *to, + const struct ia_css_ob_config *from, + const struct sh_css_isp_ob_stream_config *config, + unsigned int size) +{ + struct sh_css_isp_ob_params tmp; + struct sh_css_isp_ob_params *ob = &tmp; + + (void)size; + ia_css_ob_encode(&tmp, from, config, sizeof(tmp)); + + { + unsigned int i; + unsigned int sp_obarea_start_bq = ob->area_start_bq; + unsigned int sp_obarea_length_bq = ob->area_length_bq; + unsigned int low = sp_obarea_start_bq; + unsigned int high = low + sp_obarea_length_bq; + u16 all_ones = ~0; + + for (i = 0; i < OBAREA_MASK_SIZE; i++) { + if (i >= low && i < high) + to->vmask[i / ISP_VEC_NELEMS][i % ISP_VEC_NELEMS] = all_ones; + else + to->vmask[i / ISP_VEC_NELEMS][i % ISP_VEC_NELEMS] = 0; + } + } +} + +void +ia_css_ob_dump( + const struct sh_css_isp_ob_params *ob, + unsigned int level) +{ + if (!ob) return; + ia_css_debug_dtrace(level, "Optical Black:\n"); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "ob_blacklevel_gr", ob->blacklevel_gr); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "ob_blacklevel_r", ob->blacklevel_r); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "ob_blacklevel_b", ob->blacklevel_b); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "ob_blacklevel_gb", ob->blacklevel_gb); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "obarea_start_bq", ob->area_start_bq); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "obarea_length_bq", ob->area_length_bq); + ia_css_debug_dtrace(level, "\t%-32s = %d\n", + "obarea_length_bq_inverse", + ob->area_length_bq_inverse); +} + +void +ia_css_ob_debug_dtrace( + const struct ia_css_ob_config *config, + unsigned int level) +{ + ia_css_debug_dtrace(level, + "config.mode=%d, config.level_gr=%d, config.level_r=%d, config.level_b=%d, config.level_gb=%d, config.start_position=%d, config.end_position=%d\n", + config->mode, + config->level_gr, config->level_r, + config->level_b, config->level_gb, + config->start_position, config->end_position); +} |