diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/qplane/qplane_2/ia_css_qplane.host.c')
-rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/qplane/qplane_2/ia_css_qplane.host.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/qplane/qplane_2/ia_css_qplane.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/qplane/qplane_2/ia_css_qplane.host.c new file mode 100644 index 000000000..9fd4435e9 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/qplane/qplane_2/ia_css_qplane.host.c @@ -0,0 +1,64 @@ +// 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. + */ + +#include "ia_css_frame.h" +#include "ia_css_types.h" +#include "sh_css_defs.h" +#include "ia_css_debug.h" +#include "assert_support.h" +#define IA_CSS_INCLUDE_CONFIGURATIONS +#include "ia_css_isp_configs.h" +#include "isp.h" + +#include "ia_css_qplane.host.h" + +static const struct ia_css_qplane_configuration default_config = { + .pipe = (struct sh_css_sp_pipeline *)NULL, +}; + +int ia_css_qplane_config(struct sh_css_isp_qplane_isp_config *to, + const struct ia_css_qplane_configuration *from, + unsigned int size) +{ + unsigned int elems_a = ISP_VEC_NELEMS; + int ret; + + ret = ia_css_dma_configure_from_info(&to->port_b, from->info); + if (ret) + return ret; + + to->width_a_over_b = elems_a / to->port_b.elems; + + /* Assume divisiblity here, may need to generalize to fixed point. */ + if (elems_a % to->port_b.elems != 0) + return -EINVAL; + + to->inout_port_config = from->pipe->inout_port_config; + to->format = from->info->format; + + return 0; +} + +int ia_css_qplane_configure(const struct sh_css_sp_pipeline *pipe, + const struct ia_css_binary *binary, + const struct ia_css_frame_info *info) +{ + struct ia_css_qplane_configuration config = default_config; + + config.pipe = pipe; + config.info = info; + + return ia_css_configure_qplane(binary, &config); +} |