From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h | 101 +++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h (limited to 'drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h') diff --git a/drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h b/drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h new file mode 100644 index 000000000..ac969afc8 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h @@ -0,0 +1,101 @@ +/* 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_RMGR_VBUF_H +#define _IA_CSS_RMGR_VBUF_H + +#include "ia_css_rmgr.h" +#include +#include +#include + +/** + * @brief Data structure for the resource handle (host, vbuf) + */ +struct ia_css_rmgr_vbuf_handle { + ia_css_ptr vptr; + u8 count; + u32 size; +}; + +/** + * @brief Data structure for the resource pool (host, vbuf) + */ +struct ia_css_rmgr_vbuf_pool { + u8 copy_on_write; + u8 recycle; + u32 size; + u32 index; + struct ia_css_rmgr_vbuf_handle **handles; +}; + +/** + * @brief VBUF resource pools + */ +extern struct ia_css_rmgr_vbuf_pool *vbuf_ref; +extern struct ia_css_rmgr_vbuf_pool *vbuf_write; +extern struct ia_css_rmgr_vbuf_pool *hmm_buffer_pool; + +/** + * @brief Initialize the resource pool (host, vbuf) + * + * @param pool The pointer to the pool + */ +STORAGE_CLASS_RMGR_H int ia_css_rmgr_init_vbuf( + struct ia_css_rmgr_vbuf_pool *pool); + +/** + * @brief Uninitialize the resource pool (host, vbuf) + * + * @param pool The pointer to the pool + */ +STORAGE_CLASS_RMGR_H void ia_css_rmgr_uninit_vbuf( + struct ia_css_rmgr_vbuf_pool *pool); + +/** + * @brief Acquire a handle from the pool (host, vbuf) + * + * @param pool The pointer to the pool + * @param handle The pointer to the handle + */ +STORAGE_CLASS_RMGR_H void ia_css_rmgr_acq_vbuf( + struct ia_css_rmgr_vbuf_pool *pool, + struct ia_css_rmgr_vbuf_handle **handle); + +/** + * @brief Release a handle to the pool (host, vbuf) + * + * @param pool The pointer to the pool + * @param handle The pointer to the handle + */ +STORAGE_CLASS_RMGR_H void ia_css_rmgr_rel_vbuf( + struct ia_css_rmgr_vbuf_pool *pool, + struct ia_css_rmgr_vbuf_handle **handle); + +/** + * @brief Retain the reference count for a handle (host, vbuf) + * + * @param handle The pointer to the handle + */ +void ia_css_rmgr_refcount_retain_vbuf(struct ia_css_rmgr_vbuf_handle **handle); + +/** + * @brief Release the reference count for a handle (host, vbuf) + * + * @param handle The pointer to the handle + */ +void ia_css_rmgr_refcount_release_vbuf(struct ia_css_rmgr_vbuf_handle **handle); + +#endif /* _IA_CSS_RMGR_VBUF_H */ -- cgit v1.2.3