/**
* @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)
{
int i;
struct ia_css_rmgr_vbuf_handle *h;
if ((handle == NULL) || (*handle == NULL)) {
IA_CSS_LOG("Invalid inputs");
return;
}
/* new vbuf to count on */
if ((*handle)->count == 0) {
h = *handle;
*handle = NULL;
for (i = 0; i < NUM_HANDLES; i++) {
if (handle_table[i].count == 0) {
*handle = &handle_table[i];
break;
}
}
/* if the loop dus not break and *handle == NULL
this is an error handle and report it.
*/
if (*handle == NULL) {
ia_css_debug_dtrace(IA_CSS_DEBUG_ERROR,
"ia_css_i_host_refcount_retain_vbuf() failed to find empty slot!\n");
return;
}
(*handle)->vptr = h->vptr;
(*handle)->size = h->size;
}
(*handle)->count++;
}
/**
* @brief Acquire a handle from the pool (host, vbuf)
*
* @param pool The pointer to the pool
* @param handle The pointer to the handle
*/
void ia_css_rmgr_acq_vbuf(struct ia_css_rmgr_vbuf_pool *pool,
struct ia_css_rmgr_vbuf_handle **handle)
{
#ifdef __KLOCWORK__
/* KW sees the *handle = h; assignment about 20 lines down
and thinks that we are assigning a local to a global.
What it does not see is that in ia_css_i_host_rmgr_pop_handle
a new value is assigned to handle.
So this is a false positive KW issue.
To fix that we make the struct static for KW so it will
think that h remains alive; we do not want this in our
production code though as it breaks reentrancy of the code
*/
static struct ia_css_rmgr_vbuf_handle h;
#else /* __KLOCWORK__ */
struct ia_css_rmgr_vbuf_handle h;
#endif /* __KLOCWORK__ */
if ((pool == NULL) || (handle == NULL) || (*handle == NULL)) {
IA_CSS_LOG("Invalid inputs");
return;
}
if (pool->copy_on_write) {
/* only one reference, reuse (no new retain) */
if ((*handle)->count == 1)
return;
/* more than one reference, release current buffer */
if ((*handle)->count > 1) {
/* store current values */
h.vptr = 0x0;
h.size = (*handle)->size;
/* release ref to current buffer */
ia_css_rmgr_refcount_release_vbuf(handle);
*handle = &h;
}
/* get new buffer for needed size */
if ((*handle)->vptr == 0x0) {
if (pool->recycle) {
/* try and pop from pool */
rmgr_pop_handle(pool, handle);
}
if ((*handle)->vptr == 0x0) {
/* we need to allocate */
(*handle)->vptr = mmgr_malloc((*handle)->size);
} else {
/* we popped a buffer */
return;
}
}
}
/* Note that handle will change to an internally maintained one */
ia_css_rmgr_refcount_retain_vbuf(handle);
}
/** @brief destroy a pipeline
*
* @param[in] pipeline
* @return None
*
*/
void ia_css_pipeline_destroy(struct ia_css_pipeline *pipeline)
{
assert(pipeline != NULL);
IA_CSS_ENTER_PRIVATE("pipeline = %p", pipeline);
if (pipeline == NULL) {
IA_CSS_ERROR("NULL input parameter");
IA_CSS_LEAVE_PRIVATE("void");
return;
}
IA_CSS_LOG("pipe_num = %d", pipeline->pipe_num);
/* Free the pipeline number */
ia_css_pipeline_clean(pipeline);
IA_CSS_LEAVE_PRIVATE("void");
}
/**
* @brief Release a handle to the pool (host, vbuf)
*
* @param pool The pointer to the pool
* @param handle The pointer to the handle
*/
void ia_css_rmgr_rel_vbuf(struct ia_css_rmgr_vbuf_pool *pool,
struct ia_css_rmgr_vbuf_handle **handle)
{
if ((pool == NULL) || (handle == NULL) || (*handle == NULL)) {
IA_CSS_LOG("Invalid inputs");
return;
}
/* release the handle */
if ((*handle)->count == 1) {
if (!pool->recycle) {
/* non recycling pool, free mem */
mmgr_free((*handle)->vptr);
} else {
/* recycle to pool */
rmgr_push_handle(pool, handle);
}
}
ia_css_rmgr_refcount_release_vbuf(handle);
*handle = NULL;
}
/**
* @brief Query the SP thread ID.
* Refer to "sh_css_internal.h" for details.
*/
bool ia_css_pipeline_get_sp_thread_id(unsigned int key, unsigned int *val)
{
IA_CSS_ENTER("key=%d, val=%p", key, val);
if ((val == NULL) || (key >= IA_CSS_PIPELINE_NUM_MAX) || (key >= IA_CSS_PIPE_ID_NUM)) {
IA_CSS_LEAVE("return value = false");
return false;
}
*val = pipeline_num_to_sp_thread_map[key];
if (*val == (unsigned)PIPELINE_NUM_UNMAPPED) {
IA_CSS_LOG("unmapped pipeline number");
IA_CSS_LEAVE("return value = false");
return false;
}
IA_CSS_LEAVE("return value = true");
return true;
}
enum ia_css_err
sh_css_load_firmware(const char *fw_data,
unsigned int fw_size)
{
unsigned i;
struct ia_css_fw_info *binaries;
struct sh_css_fw_bi_file_h *file_header;
bool valid_firmware = false;
firmware_header = (struct firmware_header *)fw_data;
file_header = (struct sh_css_fw_bi_file_h *)&firmware_header->file_header;
binaries = (struct ia_css_fw_info *)&firmware_header->binary_header;
strncpy(FW_rel_ver_name, file_header->version, min(sizeof(FW_rel_ver_name), sizeof(file_header->version)) - 1);
valid_firmware = sh_css_check_firmware_version(fw_data);
if (!valid_firmware) {
#if (!defined HRT_CSIM && !defined HRT_RTL)
IA_CSS_ERROR("CSS code version (%s) and firmware version (%s) mismatch!",
file_header->version, release_version);
return IA_CSS_ERR_VERSION_MISMATCH;
#endif
} else {
IA_CSS_LOG("successfully load firmware version %s", release_version);
}
/* some sanity checks */
if (!fw_data || fw_size < sizeof(struct sh_css_fw_bi_file_h))
return IA_CSS_ERR_INTERNAL_ERROR;
if (file_header->h_size != sizeof(struct sh_css_fw_bi_file_h))
return IA_CSS_ERR_INTERNAL_ERROR;
sh_css_num_binaries = file_header->binary_nr;
/* Only allocate memory for ISP blob info */
if (sh_css_num_binaries > NUM_OF_SPS) {
sh_css_blob_info = sh_css_malloc(
(sh_css_num_binaries - NUM_OF_SPS) *
sizeof(*sh_css_blob_info));
if (sh_css_blob_info == NULL)
return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
} else {
sh_css_blob_info = NULL;
}
fw_minibuffer = sh_css_malloc(sh_css_num_binaries * sizeof(struct fw_param));
if (fw_minibuffer == NULL)
return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
memset(fw_minibuffer, 0, sh_css_num_binaries * sizeof(struct fw_param));
for (i = 0; i < sh_css_num_binaries; i++) {
struct ia_css_fw_info *bi = &binaries[i];
/* note: the var below is made static as it is quite large;
if it is not static it ends up on the stack which could
cause issues for drivers
*/
static struct ia_css_blob_descr bd;
enum ia_css_err err;
err = sh_css_load_blob_info(fw_data, bi, &bd, i);
if (err != IA_CSS_SUCCESS)
return IA_CSS_ERR_INTERNAL_ERROR;
if (bi->blob.offset + bi->blob.size > fw_size)
return IA_CSS_ERR_INTERNAL_ERROR;
if (bi->type == ia_css_sp_firmware) {
if (i != SP_FIRMWARE)
return IA_CSS_ERR_INTERNAL_ERROR;
err = setup_sp(bi, fw_data, &sh_css_sp_fw, i);
if (err != IA_CSS_SUCCESS)
return err;
#if defined(HAS_SEC_SP)
} else if (bi->type == ia_css_sp1_firmware) {
if (i != SP1_FIRMWARE)
return IA_CSS_ERR_INTERNAL_ERROR;
err = setup_sp(bi, fw_data, &sh_css_sp1_fw, i);
if (err != IA_CSS_SUCCESS)
return err;
#endif /* HAS_SEC_SP */
} else {
/* All subsequent binaries (i>NUM_OF_SPS) are ISP firmware */
if (i < NUM_OF_SPS)
return IA_CSS_ERR_INTERNAL_ERROR;
if (bi->type != ia_css_isp_firmware)
return IA_CSS_ERR_INTERNAL_ERROR;
if (sh_css_blob_info == NULL) /* cannot happen but KW does not see this */
return IA_CSS_ERR_INTERNAL_ERROR;
sh_css_blob_info[i-NUM_OF_SPS] = bd;
}
}
return IA_CSS_SUCCESS;
}