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/*******************************************************************************
* Copyright (C) 2018 Cadence Design Systems, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to use this Software with Cadence processor cores only and
* not with any other processors and platforms, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************/
/*******************************************************************************
* xf-mem.h
*
* System-specific memory allocator
*
*******************************************************************************/
#ifndef __XF_H
#error "xf-mem.h mustn't be included directly"
#endif
/*******************************************************************************
* System specific memory pools
******************************************************************************/
#if XF_CFG_CORES_NUM > 1
/* ...shared memory pool for communication within DSP-cluster */
extern xf_mm_pool_t xf_dsp_shmem_pool;
#endif
/*******************************************************************************
* Platform-specific SHMEM allocation registering functions
******************************************************************************/
/* ...register shmem allocation address */
static inline void xf_shmem_alloc_addref(u32 core, xf_message_t *m)
{
}
/* ...unregister shmem allocation address */
static inline void xf_shmem_alloc_rmref(u32 core, xf_message_t *m)
{
}
/*******************************************************************************
* API functions
******************************************************************************/
/* ...allocate aligned memory on particular core specifying if it is shared */
static inline void * xf_mem_alloc(u32 size, u32 align, u32 core, u32 shared)
{
#if XF_CFG_CORES_NUM > 1
if (shared)
{
/* ...if memory is shared, core is dropped */
return xf_mm_alloc(&xf_dsp_shmem_pool, size);
}
#endif
/* ...select local memory pool basing on core specification */
return xf_mm_alloc(&XF_CORE_DATA(core)->local_pool, size);
}
#ifdef XAF_ENABLE_NON_HIKEY
/* ...redefine macro to add bugchecks */
#define xf_mem_alloc(size, align, core, shared) \
({ \
void *__data; \
/* ...size must be properly aligned */ \
BUG(!XF_MM_ALIGNED(size), _x("Bad size: %u"), size); \
__data = (xf_mem_alloc)(size, align, core, shared); \
TRACE(1, _b("alloc-%u: %p[%u] (shared=%u)"), core, __data, size, shared); \
__data; \
})
#endif
/* ...release allocated memory */
static inline void xf_mem_free(void *p, u32 size, u32 core, u32 shared)
{
#if XF_CFG_CORES_NUM > 1
if (shared)
{
/* ...if memory is shared, core is dropped */
xf_mm_free(&xf_dsp_shmem_pool, p, size);
return;
}
#endif
/* ...select proper pool basing on core specification */
xf_mm_free(&XF_CORE_DATA(core)->local_pool, p, size);
}
#ifdef XAF_ENABLE_NON_HIKEY
/* ...redefine macro to add bugchecks */
#define xf_mem_free(p, size, core, shared) \
({ \
void *__data = (p); \
/* ...size must be properly aligned */ \
BUG(!XF_MM_ALIGNED(size), _x("Bad size: %u"), size); \
TRACE(1, _b("free-%u: %p[%u] (shared=%u)"), core, __data, size, shared); \
(xf_mem_free)(__data, size, core, shared); \
})
#endif
/* ...allocate AP-DSP shared memory */
static inline int xf_shmem_alloc(u32 core, xf_message_t *m)
{
xf_mm_pool_t *pool = &XF_CORE_DATA(core)->shared_pool;
/* ...length is always cache-line aligned */
if ((m->buffer = xf_mm_alloc(pool, XF_ALIGNED(m->length))) != NULL)
{
/* ...register allocation address */
xf_shmem_alloc_addref(core, m);
return 0;
}
else
{
return -ENOMEM;
}
}
/* ...free AP-DSP shared memory */
static inline void xf_shmem_free(u32 core, xf_message_t *m)
{
xf_mm_pool_t *pool = &XF_CORE_DATA(core)->shared_pool;
/* ...length is always cache-line aligned */
xf_mm_free(pool, m->buffer, XF_ALIGNED(m->length));
/* ...unregister allocation address */
xf_shmem_alloc_rmref(core, m);
}
/*******************************************************************************
* Scratch memory management
******************************************************************************/
static inline void * xf_scratch_mem_init(u32 core)
{
/* ...allocate scratch memory from local DSP memory */
return xf_mem_alloc(XF_CFG_CODEC_SCRATCHMEM_SIZE, XF_CFG_CODEC_SCRATCHMEM_ALIGN, core, 0);
}
/*******************************************************************************
* Helpers - hmm; they are platform-independent - tbd
******************************************************************************/
/* ...allocate local buffer */
static inline int xf_mm_alloc_buffer(u32 size, u32 align, u32 core, xf_mm_buffer_t *b)
{
/* ...allocate memory from proper local pool */
if ((size = XF_MM(size)) != 0)
XF_CHK_ERR(b->addr = xf_mem_alloc(size, align, core, 0), -ENOMEM);
else
b->addr = NULL;
/* ...save address */
b->size = size;
return 0;
}
/* ...free local buffer */
static inline void xf_mm_free_buffer(xf_mm_buffer_t *b, u32 core)
{
if (b->addr)
{
xf_mem_free(b->addr, b->size, core, 0);
}
}
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