diff options
Diffstat (limited to 'drivers/staging/csr/csr_msgconv.c')
| -rw-r--r-- | drivers/staging/csr/csr_msgconv.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/drivers/staging/csr/csr_msgconv.c b/drivers/staging/csr/csr_msgconv.c deleted file mode 100644 index db5e845e60f5..000000000000 --- a/drivers/staging/csr/csr_msgconv.c +++ /dev/null @@ -1,291 +0,0 @@ -/***************************************************************************** - - (c) Cambridge Silicon Radio Limited 2010 - All rights reserved and confidential information of CSR - - Refer to LICENSE.txt included with this source for details - on the license terms. - -*****************************************************************************/ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/slab.h> -#include "csr_sched.h" -#include "csr_msgconv.h" -#include "csr_macro.h" - -static CsrMsgConvEntry *converter; - -CsrMsgConvPrimEntry *CsrMsgConvFind(u16 primType) -{ - CsrMsgConvPrimEntry *ptr = NULL; - - if (converter) - { - ptr = converter->profile_converters; - while (ptr) - { - if (ptr->primType == primType) - { - break; - } - else - { - ptr = ptr->next; - } - } - } - - return ptr; -} - -static const CsrMsgConvMsgEntry *find_msg_converter(CsrMsgConvPrimEntry *ptr, u16 msgType) -{ - const CsrMsgConvMsgEntry *cv = ptr->conv; - if (ptr->lookupFunc) - { - return (const CsrMsgConvMsgEntry *) ptr->lookupFunc((CsrMsgConvMsgEntry *) cv, msgType); - } - - while (cv) - { - if (cv->serFunc == NULL) - { - /* We've reached the end of the chain */ - cv = NULL; - break; - } - - if (cv->msgType == msgType) - { - break; - } - else - { - cv++; - } - } - - return cv; -} - -static void *deserialize_data(u16 primType, - size_t length, - u8 *data) -{ - CsrMsgConvPrimEntry *ptr; - u8 *ret; - - ptr = CsrMsgConvFind(primType); - - if (ptr) - { - const CsrMsgConvMsgEntry *cv; - u16 msgId = 0; - size_t offset = 0; - CsrUint16Des(&msgId, data, &offset); - - cv = find_msg_converter(ptr, msgId); - if (cv) - { - ret = cv->deserFunc(data, length); - } - else - { - ret = NULL; - } - } - else - { - ret = NULL; - } - - return ret; -} - -static size_t sizeof_message(u16 primType, void *msg) -{ - CsrMsgConvPrimEntry *ptr = CsrMsgConvFind(primType); - size_t ret; - - if (ptr) - { - const CsrMsgConvMsgEntry *cv; - u16 msgId = *(u16 *) msg; - - cv = find_msg_converter(ptr, msgId); - if (cv) - { - ret = cv->sizeofFunc(msg); - } - else - { - ret = 0; - } - } - else - { - ret = 0; - } - - return ret; -} - -static u8 free_message(u16 primType, u8 *data) -{ - CsrMsgConvPrimEntry *ptr; - u8 ret; - - ptr = CsrMsgConvFind(primType); - - if (ptr) - { - const CsrMsgConvMsgEntry *cv; - u16 msgId = *(u16 *) data; - - cv = find_msg_converter(ptr, msgId); - if (cv) - { - cv->freeFunc(data); - ret = TRUE; - } - else - { - ret = FALSE; - } - } - else - { - ret = FALSE; - } - - return ret; -} - -static u8 *serialize_message(u16 primType, - void *msg, - size_t *length, - u8 *buffer) -{ - CsrMsgConvPrimEntry *ptr; - u8 *ret; - - ptr = CsrMsgConvFind(primType); - - *length = 0; - - if (ptr) - { - const CsrMsgConvMsgEntry *cv; - - cv = find_msg_converter(ptr, *(u16 *) msg); - if (cv) - { - ret = cv->serFunc(buffer, length, msg); - } - else - { - ret = NULL; - } - } - else - { - ret = NULL; - } - - return ret; -} - -size_t CsrMsgConvSizeof(u16 primType, void *msg) -{ - return sizeof_message(primType, msg); -} - -u8 *CsrMsgConvSerialize(u8 *buffer, size_t maxBufferOffset, size_t *offset, u16 primType, void *msg) -{ - if (converter) - { - size_t serializedLength; - u8 *bufSerialized; - u8 *bufOffset = &buffer[*offset]; - bufSerialized = converter->serialize_message(primType, msg, &serializedLength, bufOffset); - *offset += serializedLength; - return bufSerialized; - } - else - { - return NULL; - } -} - -/* Insert profile converter at head of converter list. */ -void CsrMsgConvInsert(u16 primType, const CsrMsgConvMsgEntry *ce) -{ - CsrMsgConvPrimEntry *pc; - pc = CsrMsgConvFind(primType); - - if (pc) - { - /* Already registered. Do nothing */ - } - else - { - pc = kmalloc(sizeof(*pc), GFP_KERNEL); - pc->primType = primType; - pc->conv = ce; - pc->lookupFunc = NULL; - pc->next = converter->profile_converters; - converter->profile_converters = pc; - } -} -EXPORT_SYMBOL_GPL(CsrMsgConvInsert); - -CsrMsgConvMsgEntry *CsrMsgConvFindEntry(u16 primType, u16 msgType) -{ - CsrMsgConvPrimEntry *ptr = CsrMsgConvFind(primType); - if (ptr) - { - return (CsrMsgConvMsgEntry *) find_msg_converter(ptr, msgType); - } - return NULL; -} -EXPORT_SYMBOL_GPL(CsrMsgConvFindEntry); - -CsrMsgConvMsgEntry *CsrMsgConvFindEntryByMsg(u16 primType, const void *msg) -{ - CsrMsgConvPrimEntry *ptr = CsrMsgConvFind(primType); - if (ptr && msg) - { - u16 msgType = *((u16 *) msg); - return (CsrMsgConvMsgEntry *) find_msg_converter(ptr, msgType); - } - return NULL; -} - -void CsrMsgConvCustomLookupRegister(u16 primType, CsrMsgCustomLookupFunc *lookupFunc) -{ - CsrMsgConvPrimEntry *ptr = CsrMsgConvFind(primType); - if (ptr) - { - ptr->lookupFunc = lookupFunc; - } -} -EXPORT_SYMBOL_GPL(CsrMsgConvCustomLookupRegister); - -CsrMsgConvEntry *CsrMsgConvInit(void) -{ - if (!converter) - { - converter = kmalloc(sizeof(CsrMsgConvEntry), GFP_KERNEL); - - converter->profile_converters = NULL; - converter->free_message = free_message; - converter->sizeof_message = sizeof_message; - converter->serialize_message = serialize_message; - converter->deserialize_data = deserialize_data; - } - - return converter; -} -EXPORT_SYMBOL_GPL(CsrMsgConvInit); |