void *fmem_map_virtual_area(int cacheability)
{
unsigned long addr;
const struct mem_type *type;
int ret;
addr = (unsigned long) fmem_data.area->addr;
type = get_mem_type(cacheability);
if (type == NULL)
return ERR_PTR(-EINVAL);
ret = ioremap_pages(addr, fmem_data.phys, fmem_data.size, type);
if (ret)
return ERR_PTR(ret);
fmem_data.virt = fmem_data.area->addr;
return fmem_data.virt;
}
void *ion_map_fmem_buffer(struct ion_buffer *buffer, unsigned long phys_base,
void *virt_base, unsigned long flags)
{
int ret;
unsigned int offset = buffer->priv_phys - phys_base;
unsigned long start = ((unsigned long)virt_base) + offset;
const struct mem_type *type = ION_IS_CACHED(flags) ?
get_mem_type(MT_DEVICE_CACHED) :
get_mem_type(MT_DEVICE);
if (phys_base > buffer->priv_phys)
return NULL;
ret = ioremap_pages(start, buffer->priv_phys, buffer->size, type);
if (!ret)
return (void *)start;
else
return NULL;
}
