diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/interface/ia_css_refcount.h | 83 | ||||
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/src/refcount.c | 281 |
2 files changed, 0 insertions, 364 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/interface/ia_css_refcount.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/interface/ia_css_refcount.h deleted file mode 100644 index 20db4de..0000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/interface/ia_css_refcount.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * 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. - */ - -#ifndef _IA_CSS_REFCOUNT_H_ -#define _IA_CSS_REFCOUNT_H_ - -#include <type_support.h> -#include <system_types.h> -#include <ia_css_err.h> - -typedef void (*clear_func)(hrt_vaddress ptr); - -/*! \brief Function for initializing refcount list - * - * \param[in] size Size of the refcount list. - * \return ia_css_err - */ -extern enum ia_css_err ia_css_refcount_init(uint32_t size); - -/*! \brief Function for de-initializing refcount list - * - * \return None - */ -extern void ia_css_refcount_uninit(void); - -/*! \brief Function for increasing reference by 1. - * - * \param[in] id ID of the object. - * \param[in] ptr Data of the object (ptr). - * \return hrt_vaddress (saved address) - */ -extern hrt_vaddress ia_css_refcount_increment(int32_t id, hrt_vaddress ptr); - -/*! \brief Function for decrease reference by 1. - * - * \param[in] id ID of the object. - * \param[in] ptr Data of the object (ptr). - * - * - true, if it is successful. - * - false, otherwise. - */ -extern bool ia_css_refcount_decrement(int32_t id, hrt_vaddress ptr); - -/*! \brief Function to check if reference count is 1. - * - * \param[in] ptr Data of the object (ptr). - * - * - true, if it is successful. - * - false, otherwise. - */ -extern bool ia_css_refcount_is_single(hrt_vaddress ptr); - -/*! \brief Function to clear reference list objects. - * - * \param[in] id ID of the object. - * \param[in] clear_func function to be run to free reference objects. - * - * return None - */ -extern void ia_css_refcount_clear(int32_t id, - clear_func clear_func_ptr); - -/*! \brief Function to verify if object is valid - * - * \param[in] ptr Data of the object (ptr) - * - * - true, if valid - * - false, if invalid - */ -extern bool ia_css_refcount_is_valid(hrt_vaddress ptr); - -#endif /* _IA_CSS_REFCOUNT_H_ */ diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/src/refcount.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/src/refcount.c deleted file mode 100644 index 6e3bd77..0000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/src/refcount.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * 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_refcount.h" -#include "memory_access/memory_access.h" -#include "sh_css_defs.h" - -#include "platform_support.h" - -#include "assert_support.h" - -#include "ia_css_debug.h" - -/* TODO: enable for other memory aswell - now only for hrt_vaddress */ -struct ia_css_refcount_entry { - uint32_t count; - hrt_vaddress data; - int32_t id; -}; - -struct ia_css_refcount_list { - uint32_t size; - struct ia_css_refcount_entry *items; -}; - -static struct ia_css_refcount_list myrefcount; - -static struct ia_css_refcount_entry *refcount_find_entry(hrt_vaddress ptr, - bool firstfree) -{ - uint32_t i; - - if (ptr == 0) - return NULL; - if (myrefcount.items == NULL) { - ia_css_debug_dtrace(IA_CSS_DEBUG_ERROR, - "refcount_find_entry(): Ref count not initiliazed!\n"); - return NULL; - } - - for (i = 0; i < myrefcount.size; i++) { - - if ((&myrefcount.items[i])->data == 0) { - if (firstfree) { - /* for new entry */ - return &myrefcount.items[i]; - } - } - if ((&myrefcount.items[i])->data == ptr) { - /* found entry */ - return &myrefcount.items[i]; - } - } - return NULL; -} - -enum ia_css_err ia_css_refcount_init(uint32_t size) -{ - enum ia_css_err err = IA_CSS_SUCCESS; - - if (size == 0) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_init(): Size of 0 for Ref count init!\n"); - return IA_CSS_ERR_INVALID_ARGUMENTS; - } - if (myrefcount.items != NULL) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_init(): Ref count is already initialized\n"); - return IA_CSS_ERR_INTERNAL_ERROR; - } - myrefcount.items = - sh_css_malloc(sizeof(struct ia_css_refcount_entry) * size); - if (!myrefcount.items) - err = IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY; - if (err == IA_CSS_SUCCESS) { - memset(myrefcount.items, 0, - sizeof(struct ia_css_refcount_entry) * size); - myrefcount.size = size; - } - return err; -} - -void ia_css_refcount_uninit(void) -{ - struct ia_css_refcount_entry *entry; - uint32_t i; - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_uninit() entry\n"); - for (i = 0; i < myrefcount.size; i++) { - /* driver verifier tool has issues with &arr[i] - and prefers arr + i; as these are actually equivalent - the line below uses + i - */ - entry = myrefcount.items + i; - if (entry->data != mmgr_NULL) { - /* ia_css_debug_dtrace(IA_CSS_DBG_TRACE, - "ia_css_refcount_uninit: freeing (%x)\n", - entry->data);*/ - hmm_free(entry->data); - entry->data = mmgr_NULL; - entry->count = 0; - entry->id = 0; - } - } - sh_css_free(myrefcount.items); - myrefcount.items = NULL; - myrefcount.size = 0; - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_uninit() leave\n"); -} - -hrt_vaddress ia_css_refcount_increment(int32_t id, hrt_vaddress ptr) -{ - struct ia_css_refcount_entry *entry; - - if (ptr == mmgr_NULL) - return ptr; - - entry = refcount_find_entry(ptr, false); - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_increment(%x) 0x%x\n", id, ptr); - - if (!entry) { - entry = refcount_find_entry(ptr, true); - assert(entry != NULL); - if (entry == NULL) - return mmgr_NULL; - entry->id = id; - } - - if (entry->id != id) { - ia_css_debug_dtrace(IA_CSS_DEBUG_ERROR, - "ia_css_refcount_increment(): Ref count IDS do not match!\n"); - return mmgr_NULL; - } - - if (entry->data == ptr) - entry->count += 1; - else if (entry->data == mmgr_NULL) { - entry->data = ptr; - entry->count = 1; - } else - return mmgr_NULL; - - return ptr; -} - -bool ia_css_refcount_decrement(int32_t id, hrt_vaddress ptr) -{ - struct ia_css_refcount_entry *entry; - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_decrement(%x) 0x%x\n", id, ptr); - - if (ptr == mmgr_NULL) - return false; - - entry = refcount_find_entry(ptr, false); - - if (entry) { - if (entry->id != id) { - ia_css_debug_dtrace(IA_CSS_DEBUG_ERROR, - "ia_css_refcount_decrement(): Ref count IDS do not match!\n"); - return false; - } - if (entry->count > 0) { - entry->count -= 1; - if (entry->count == 0) { - /* ia_css_debug_dtrace(IA_CSS_DBEUG_TRACE, - "ia_css_refcount_decrement: freeing\n");*/ - hmm_free(ptr); - entry->data = mmgr_NULL; - entry->id = 0; - } - return true; - } - } - - /* SHOULD NOT HAPPEN: ptr not managed by refcount, or not - valid anymore */ - if (entry) - IA_CSS_ERROR("id %x, ptr 0x%x entry %p entry->id %x entry->count %d\n", - id, ptr, entry, entry->id, entry->count); - else - IA_CSS_ERROR("entry NULL\n"); -#ifdef ISP2401 - assert(false); -#endif - - return false; -} - -bool ia_css_refcount_is_single(hrt_vaddress ptr) -{ - struct ia_css_refcount_entry *entry; - - if (ptr == mmgr_NULL) - return false; - - entry = refcount_find_entry(ptr, false); - - if (entry) - return (entry->count == 1); - - return true; -} - -void ia_css_refcount_clear(int32_t id, clear_func clear_func_ptr) -{ - struct ia_css_refcount_entry *entry; - uint32_t i; - uint32_t count = 0; - - assert(clear_func_ptr != NULL); - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, "ia_css_refcount_clear(%x)\n", - id); - - for (i = 0; i < myrefcount.size; i++) { - /* driver verifier tool has issues with &arr[i] - and prefers arr + i; as these are actually equivalent - the line below uses + i - */ - entry = myrefcount.items + i; - if ((entry->data != mmgr_NULL) && (entry->id == id)) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_clear:" - " %x: 0x%x\n", id, entry->data); - if (clear_func_ptr) { - /* clear using provided function */ - clear_func_ptr(entry->data); - } else { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_clear: " - "using hmm_free: " - "no clear_func\n"); - hmm_free(entry->data); - } -#ifndef ISP2401 - -#else - assert(entry->count == 0); -#endif - if (entry->count != 0) { - IA_CSS_WARNING("Ref count for entry %x is not zero!", entry->id); - } - entry->data = mmgr_NULL; - entry->count = 0; - entry->id = 0; - count++; - } - } - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_refcount_clear(%x): cleared %d\n", id, - count); -} - -bool ia_css_refcount_is_valid(hrt_vaddress ptr) -{ - struct ia_css_refcount_entry *entry; - - if (ptr == mmgr_NULL) - return false; - - entry = refcount_find_entry(ptr, false); - - return entry != NULL; -} - |
