summaryrefslogtreecommitdiffstats
path: root/drivers/staging/media/atomisp/pci/isp/kernels/qplane/qplane_2/ia_css_qplane.host.c
diff options
context:
space:
mode:
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.c64
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 0000000000..9fd4435e96
--- /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);
+}