| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015-2017, 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 <type_support.h> |
| #include <system_types.h> |
| #include <assert_support.h> |
| #include <memory_access.h> |
| #include <ia_css_env.h> |
| #include <hrt/hive_isp_css_mm_hrt.h> |
| |
| const hrt_vaddress mmgr_NULL = (hrt_vaddress)0; |
| const hrt_vaddress mmgr_EXCEPTION = (hrt_vaddress)-1; |
| |
| hrt_vaddress |
| mmgr_malloc(const size_t size) |
| { |
| return mmgr_alloc_attr(size, 0); |
| } |
| |
| hrt_vaddress mmgr_alloc_attr(const size_t size, const uint16_t attrs) |
| { |
| uint16_t masked_attrs = attrs & MMGR_ATTRIBUTE_MASK; |
| WARN_ON(attrs & MMGR_ATTRIBUTE_CONTIGUOUS); |
| |
| if (masked_attrs & MMGR_ATTRIBUTE_CLEARED) { |
| if (masked_attrs & MMGR_ATTRIBUTE_CACHED) |
| return (ia_css_ptr) hrt_isp_css_mm_calloc_cached(size); |
| else |
| return (ia_css_ptr) hrt_isp_css_mm_calloc(size); |
| } else { |
| if (masked_attrs & MMGR_ATTRIBUTE_CACHED) |
| return (ia_css_ptr) hrt_isp_css_mm_alloc_cached(size); |
| else |
| return (ia_css_ptr) hrt_isp_css_mm_alloc(size); |
| } |
| } |
| |
| hrt_vaddress |
| mmgr_calloc(const size_t N, const size_t size) |
| { |
| return mmgr_alloc_attr(size * N, MMGR_ATTRIBUTE_CLEARED); |
| } |
| |
| void mmgr_clear(hrt_vaddress vaddr, const size_t size) |
| { |
| if (vaddr) |
| hmm_set(vaddr, 0, size); |
| } |
| |
| void mmgr_load(const hrt_vaddress vaddr, void *data, const size_t size) |
| { |
| if (vaddr && data) |
| hmm_load(vaddr, data, size); |
| } |
| |
| void |
| mmgr_store(const hrt_vaddress vaddr, const void *data, const size_t size) |
| { |
| if (vaddr && data) |
| hmm_store(vaddr, data, size); |
| } |
| |
| hrt_vaddress |
| mmgr_mmap(const void *ptr, const size_t size, |
| uint16_t attribute, void *context) |
| { |
| struct hrt_userbuffer_attr *userbuffer_attr = context; |
| return hrt_isp_css_mm_alloc_user_ptr( |
| size, (void *)ptr, userbuffer_attr->pgnr, |
| userbuffer_attr->type, |
| attribute & HRT_BUF_FLAG_CACHED); |
| } |