summaryrefslogtreecommitdiffstats
path: root/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util')
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/interface/ia_css_util.h141
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/src/util.c227
2 files changed, 368 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/interface/ia_css_util.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/interface/ia_css_util.h
new file mode 100644
index 0000000..f8b2e45
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/interface/ia_css_util.h
@@ -0,0 +1,141 @@
+/*
+ * 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.
+ */
+
+#ifndef __IA_CSS_UTIL_H__
+#define __IA_CSS_UTIL_H__
+
+#include <ia_css_err.h>
+#include <error_support.h>
+#include <type_support.h>
+#include <ia_css_frame_public.h>
+#include <ia_css_stream_public.h>
+#include <ia_css_stream_format.h>
+
+/** @brief convert "errno" error code to "ia_css_err" error code
+ *
+ * @param[in] "errno" error code
+ * @return "ia_css_err" error code
+ *
+ */
+enum ia_css_err ia_css_convert_errno(
+ int in_err);
+
+/** @brief check vf frame info.
+ *
+ * @param[in] info
+ * @return IA_CSS_SUCCESS or error code upon error.
+ *
+ */
+extern enum ia_css_err ia_css_util_check_vf_info(
+ const struct ia_css_frame_info * const info);
+
+/** @brief check input configuration.
+ *
+ * @param[in] stream_config
+ * @param[in] must_be_raw
+ * @return IA_CSS_SUCCESS or error code upon error.
+ *
+ */
+extern enum ia_css_err ia_css_util_check_input(
+ const struct ia_css_stream_config * const stream_config,
+ bool must_be_raw,
+ bool must_be_yuv);
+
+/** @brief check vf and out frame info.
+ *
+ * @param[in] out_info
+ * @param[in] vf_info
+ * @return IA_CSS_SUCCESS or error code upon error.
+ *
+ */
+extern enum ia_css_err ia_css_util_check_vf_out_info(
+ const struct ia_css_frame_info * const out_info,
+ const struct ia_css_frame_info * const vf_info);
+
+/** @brief check width and height
+ *
+ * @param[in] width
+ * @param[in] height
+ * @return IA_CSS_SUCCESS or error code upon error.
+ *
+ */
+extern enum ia_css_err ia_css_util_check_res(
+ unsigned int width,
+ unsigned int height);
+
+#ifdef ISP2401
+/** @brief compare resolutions (less or equal)
+ *
+ * @param[in] a resolution
+ * @param[in] b resolution
+ * @return true if both dimensions of a are less or
+ * equal than those of b, false otherwise
+ *
+ */
+extern bool ia_css_util_res_leq(
+ struct ia_css_resolution a,
+ struct ia_css_resolution b);
+
+/**
+ * @brief Check if resolution is zero
+ *
+ * @param[in] resolution The resolution to check
+ *
+ * @returns true if resolution is zero
+ */
+extern bool ia_css_util_resolution_is_zero(
+ const struct ia_css_resolution resolution);
+
+/**
+ * @brief Check if resolution is even
+ *
+ * @param[in] resolution The resolution to check
+ *
+ * @returns true if resolution is even
+ */
+extern bool ia_css_util_resolution_is_even(
+ const struct ia_css_resolution resolution);
+
+#endif
+/** @brief check width and height
+ *
+ * @param[in] stream_format
+ * @param[in] two_ppc
+ * @return bits per pixel based on given parameters.
+ *
+ */
+extern unsigned int ia_css_util_input_format_bpp(
+ enum ia_css_stream_format stream_format,
+ bool two_ppc);
+
+/** @brief check if input format it raw
+ *
+ * @param[in] stream_format
+ * @return true if the input format is raw or false otherwise
+ *
+ */
+extern bool ia_css_util_is_input_format_raw(
+ enum ia_css_stream_format stream_format);
+
+/** @brief check if input format it yuv
+ *
+ * @param[in] stream_format
+ * @return true if the input format is yuv or false otherwise
+ *
+ */
+extern bool ia_css_util_is_input_format_yuv(
+ enum ia_css_stream_format stream_format);
+
+#endif /* __IA_CSS_UTIL_H__ */
+
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/src/util.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/src/util.c
new file mode 100644
index 0000000..08f486e
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/util/src/util.c
@@ -0,0 +1,227 @@
+/*
+ * 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_util.h"
+#include <ia_css_frame.h>
+#include <assert_support.h>
+#include <math_support.h>
+
+/* for ia_css_binary_max_vf_width() */
+#include "ia_css_binary.h"
+
+
+enum ia_css_err ia_css_convert_errno(
+ int in_err)
+{
+ enum ia_css_err out_err;
+
+ switch (in_err) {
+ case 0:
+ out_err = IA_CSS_SUCCESS;
+ break;
+ case EINVAL:
+ out_err = IA_CSS_ERR_INVALID_ARGUMENTS;
+ break;
+ case ENODATA:
+ out_err = IA_CSS_ERR_QUEUE_IS_EMPTY;
+ break;
+ case ENOSYS:
+ case ENOTSUP:
+ out_err = IA_CSS_ERR_INTERNAL_ERROR;
+ break;
+ case ENOBUFS:
+ out_err = IA_CSS_ERR_QUEUE_IS_FULL;
+ break;
+ default:
+ out_err = IA_CSS_ERR_INTERNAL_ERROR;
+ break;
+ }
+ return out_err;
+}
+
+/* MW: Table look-up ??? */
+unsigned int ia_css_util_input_format_bpp(
+ enum ia_css_stream_format format,
+ bool two_ppc)
+{
+ unsigned int rval = 0;
+ switch (format) {
+ case IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY:
+ case IA_CSS_STREAM_FORMAT_YUV420_8:
+ case IA_CSS_STREAM_FORMAT_YUV422_8:
+ case IA_CSS_STREAM_FORMAT_RGB_888:
+ case IA_CSS_STREAM_FORMAT_RAW_8:
+ case IA_CSS_STREAM_FORMAT_BINARY_8:
+ case IA_CSS_STREAM_FORMAT_EMBEDDED:
+ rval = 8;
+ break;
+ case IA_CSS_STREAM_FORMAT_YUV420_10:
+ case IA_CSS_STREAM_FORMAT_YUV422_10:
+ case IA_CSS_STREAM_FORMAT_RAW_10:
+ rval = 10;
+ break;
+ case IA_CSS_STREAM_FORMAT_YUV420_16:
+ case IA_CSS_STREAM_FORMAT_YUV422_16:
+ rval = 16;
+ break;
+ case IA_CSS_STREAM_FORMAT_RGB_444:
+ rval = 4;
+ break;
+ case IA_CSS_STREAM_FORMAT_RGB_555:
+ rval = 5;
+ break;
+ case IA_CSS_STREAM_FORMAT_RGB_565:
+ rval = 65;
+ break;
+ case IA_CSS_STREAM_FORMAT_RGB_666:
+ case IA_CSS_STREAM_FORMAT_RAW_6:
+ rval = 6;
+ break;
+ case IA_CSS_STREAM_FORMAT_RAW_7:
+ rval = 7;
+ break;
+ case IA_CSS_STREAM_FORMAT_RAW_12:
+ rval = 12;
+ break;
+ case IA_CSS_STREAM_FORMAT_RAW_14:
+ if (two_ppc)
+ rval = 14;
+ else
+ rval = 12;
+ break;
+ case IA_CSS_STREAM_FORMAT_RAW_16:
+ if (two_ppc)
+ rval = 16;
+ else
+ rval = 12;
+ break;
+ default:
+ rval = 0;
+ break;
+
+ }
+return rval;
+}
+
+enum ia_css_err ia_css_util_check_vf_info(
+ const struct ia_css_frame_info * const info)
+{
+ enum ia_css_err err;
+ unsigned int max_vf_width;
+ assert(info != NULL);
+ err = ia_css_frame_check_info(info);
+ if (err != IA_CSS_SUCCESS)
+ return err;
+ max_vf_width = ia_css_binary_max_vf_width();
+ if (max_vf_width != 0 && info->res.width > max_vf_width*2)
+ return IA_CSS_ERR_INVALID_ARGUMENTS;
+ return IA_CSS_SUCCESS;
+}
+
+enum ia_css_err ia_css_util_check_vf_out_info(
+ const struct ia_css_frame_info * const out_info,
+ const struct ia_css_frame_info * const vf_info)
+{
+ enum ia_css_err err;
+
+ assert(out_info != NULL);
+ assert(vf_info != NULL);
+
+ err = ia_css_frame_check_info(out_info);
+ if (err != IA_CSS_SUCCESS)
+ return err;
+ err = ia_css_util_check_vf_info(vf_info);
+ if (err != IA_CSS_SUCCESS)
+ return err;
+ return IA_CSS_SUCCESS;
+}
+
+enum ia_css_err ia_css_util_check_res(unsigned int width, unsigned int height)
+{
+ /* height can be odd number for jpeg/embedded data from ISYS2401 */
+ if (((width == 0) ||
+ (height == 0) ||
+ IS_ODD(width))) {
+ return IA_CSS_ERR_INVALID_ARGUMENTS;
+ }
+ return IA_CSS_SUCCESS;
+}
+
+#ifdef ISP2401
+bool ia_css_util_res_leq(struct ia_css_resolution a, struct ia_css_resolution b)
+{
+ return a.width <= b.width && a.height <= b.height;
+}
+
+bool ia_css_util_resolution_is_zero(const struct ia_css_resolution resolution)
+{
+ return (resolution.width == 0) || (resolution.height == 0);
+}
+
+bool ia_css_util_resolution_is_even(const struct ia_css_resolution resolution)
+{
+ return IS_EVEN(resolution.height) && IS_EVEN(resolution.width);
+}
+
+#endif
+bool ia_css_util_is_input_format_raw(enum ia_css_stream_format format)
+{
+ return ((format == IA_CSS_STREAM_FORMAT_RAW_6) ||
+ (format == IA_CSS_STREAM_FORMAT_RAW_7) ||
+ (format == IA_CSS_STREAM_FORMAT_RAW_8) ||
+ (format == IA_CSS_STREAM_FORMAT_RAW_10) ||
+ (format == IA_CSS_STREAM_FORMAT_RAW_12));
+ /* raw_14 and raw_16 are not supported as input formats to the ISP.
+ * They can only be copied to a frame in memory using the
+ * copy binary.
+ */
+}
+
+bool ia_css_util_is_input_format_yuv(enum ia_css_stream_format format)
+{
+ return format == IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY ||
+ format == IA_CSS_STREAM_FORMAT_YUV420_8 ||
+ format == IA_CSS_STREAM_FORMAT_YUV420_10 ||
+ format == IA_CSS_STREAM_FORMAT_YUV420_16 ||
+ format == IA_CSS_STREAM_FORMAT_YUV422_8 ||
+ format == IA_CSS_STREAM_FORMAT_YUV422_10 ||
+ format == IA_CSS_STREAM_FORMAT_YUV422_16;
+}
+
+enum ia_css_err ia_css_util_check_input(
+ const struct ia_css_stream_config * const stream_config,
+ bool must_be_raw,
+ bool must_be_yuv)
+{
+ assert(stream_config != NULL);
+
+ if (stream_config == NULL)
+ return IA_CSS_ERR_INVALID_ARGUMENTS;
+
+#ifdef IS_ISP_2400_SYSTEM
+ if (stream_config->input_config.effective_res.width == 0 ||
+ stream_config->input_config.effective_res.height == 0)
+ return IA_CSS_ERR_INVALID_ARGUMENTS;
+#endif
+ if (must_be_raw &&
+ !ia_css_util_is_input_format_raw(stream_config->input_config.format))
+ return IA_CSS_ERR_INVALID_ARGUMENTS;
+
+ if (must_be_yuv &&
+ !ia_css_util_is_input_format_yuv(stream_config->input_config.format))
+ return IA_CSS_ERR_INVALID_ARGUMENTS;
+
+ return IA_CSS_SUCCESS;
+}
+
OpenPOWER on IntegriCloud