long mfc_mem_ext_ofs(unsigned long addr, unsigned int size, int from)
{
int port;
long ofs;
if (from >= mem_ports)
from = mem_ports - 1;
port = mfc_mem_addr_port(addr);
if (port < 0) {
mfc_dbg("given address is out of MFC: "
"0x%08lx\n", addr);
port = from;
} else if (port != from) {
mfc_warn("given address is in the port#%d [%d]",
port, from);
port = from;
}
ofs = addr - mem_infos[port].base;
if ((ofs < 0) || (ofs >= MAX_MEM_OFFSET)) {
mfc_err("given address cannot access by MFC: "
"0x%08lx\n", addr);
ofs = -MAX_MEM_OFFSET;
} else if ((ofs + size) > MAX_MEM_OFFSET) {
mfc_warn("some part of given address cannot access: "
"0x%08lx\n", addr);
}
return ofs;
}
unsigned long mfc_mem_base_ofs(unsigned long addr)
{
int port;
port = mfc_mem_addr_port(addr);
if (port < 0)
return 0;
return addr - mem_infos[port].base;
}
unsigned int mfc_mem_base_ofs(unsigned int addr)
{
int port;
#ifdef CONFIG_EXYNOS4_CONTENT_PATH_PROTECTION
port = 0;
#else
port = mfc_mem_addr_port(addr);
#endif
if (port < 0)
return 0;
return addr - mem_infos[port].base;
}
unsigned long mfc_mem_data_ofs(unsigned long addr, int contig)
{
unsigned int offset;
int i;
int port;
port = mfc_mem_addr_port(addr);
if (port < 0)
return 0;
offset = addr - mfc_mem_data_base(port);
if (contig) {
for (i = 0; i < port; i++)
offset += mfc_mem_data_size(i);
}
return offset;
}
unsigned int mfc_mem_data_ofs(unsigned int addr, int contig)
{
unsigned int offset;
int i;
int port;
#ifdef CONFIG_EXYNOS4_CONTENT_PATH_PROTECTION
port = 0;
#else
port = mfc_mem_addr_port(addr);
#endif
if (port < 0)
return 0;
offset = addr - mfc_mem_data_base(port);
if (contig) {
for (i = 0; i < port; i++)
offset += mfc_mem_data_size(i);
}
return offset;
}