diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/runtime/isys/interface/ia_css_isys_comm.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/runtime/isys/interface/ia_css_isys_comm.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/runtime/isys/interface/ia_css_isys_comm.h b/drivers/staging/media/atomisp/pci/runtime/isys/interface/ia_css_isys_comm.h new file mode 100644 index 0000000000..d80ef42c7a --- /dev/null +++ b/drivers/staging/media/atomisp/pci/runtime/isys/interface/ia_css_isys_comm.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2010 - 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_ISYS_COMM_H +#define __IA_CSS_ISYS_COMM_H + +#include <type_support.h> +#include <input_system.h> + +#ifdef ISP2401 +#include <platform_support.h> /* inline */ +#include <input_system_global.h> +#include <ia_css_stream_public.h> /* IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH */ + +#define SH_CSS_NODES_PER_THREAD 2 +#define SH_CSS_MAX_ISYS_CHANNEL_NODES (SH_CSS_MAX_SP_THREADS * SH_CSS_NODES_PER_THREAD) + +/* + * a) ia_css_isys_stream_h & ia_css_isys_stream_cfg_t come from host. + * + * b) Here it is better to use actual structures for stream handle + * instead of opaque handles. Otherwise, we need to have another + * communication channel to interpret that opaque handle(this handle is + * maintained by host and needs to be populated to sp for every stream open) + * */ +typedef virtual_input_system_stream_t *ia_css_isys_stream_h; +typedef virtual_input_system_stream_cfg_t ia_css_isys_stream_cfg_t; + +/* + * error check for ISYS APIs. + * */ +typedef bool ia_css_isys_error_t; + +static inline uint32_t ia_css_isys_generate_stream_id( + u32 sp_thread_id, + uint32_t stream_id) +{ + return sp_thread_id * IA_CSS_STREAM_MAX_ISYS_STREAM_PER_CH + stream_id; +} + +#endif /* ISP2401*/ +#endif /*_IA_CSS_ISYS_COMM_H */ |