diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/ref/ref_1.0/ia_css_ref.host.c')
-rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/ref/ref_1.0/ia_css_ref.host.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/ref/ref_1.0/ia_css_ref.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/ref/ref_1.0/ia_css_ref.host.c new file mode 100644 index 000000000000..c3f43fd327d4 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/ref/ref_1.0/ia_css_ref.host.c @@ -0,0 +1,76 @@ +/* + * 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> +#define IA_CSS_INCLUDE_CONFIGURATIONS +#include "ia_css_isp_configs.h" +#include "isp.h" +#include "ia_css_ref.host.h" + +void +ia_css_ref_config( + struct sh_css_isp_ref_isp_config *to, + const struct ia_css_ref_configuration *from, + unsigned int size) +{ + unsigned int elems_a = ISP_VEC_NELEMS, i; + + (void)size; + ia_css_dma_configure_from_info(&to->port_b, &from->ref_frames[0]->info); + to->width_a_over_b = elems_a / to->port_b.elems; + to->dvs_frame_delay = from->dvs_frame_delay; + for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) { + if (from->ref_frames[i]) { + to->ref_frame_addr_y[i] = from->ref_frames[i]->data + + from->ref_frames[i]->planes.yuv.y.offset; + to->ref_frame_addr_c[i] = from->ref_frames[i]->data + + from->ref_frames[i]->planes.yuv.u.offset; + } else { + to->ref_frame_addr_y[i] = 0; + to->ref_frame_addr_c[i] = 0; + } + } + + /* Assume divisiblity here, may need to generalize to fixed point. */ + assert(elems_a % to->port_b.elems == 0); +} + +void +ia_css_ref_configure( + const struct ia_css_binary *binary, + const struct ia_css_frame **ref_frames, + const uint32_t dvs_frame_delay) +{ + struct ia_css_ref_configuration config; + unsigned int i; + + for (i = 0; i < MAX_NUM_VIDEO_DELAY_FRAMES; i++) + config.ref_frames[i] = ref_frames[i]; + config.dvs_frame_delay = dvs_frame_delay; + ia_css_configure_ref(binary, &config); +} + +void +ia_css_init_ref_state( + struct sh_css_isp_ref_dmem_state *state, + unsigned int size) +{ + (void)size; + assert(MAX_NUM_VIDEO_DELAY_FRAMES >= 2); + state->ref_in_buf_idx = 0; + state->ref_out_buf_idx = 1; +} |