int et131x_xcvr_find(struct et131x_adapter *adapter)
{
int status = -ENODEV;
uint8_t xcvr_addr;
MI_IDR1_t idr1;
MI_IDR2_t idr2;
uint32_t xcvr_id;
for (xcvr_addr = 0; xcvr_addr < 32; xcvr_addr++) {
PhyMiRead(adapter, xcvr_addr,
(uint8_t) offsetof(MI_REGS_t, idr1),
&idr1.value);
PhyMiRead(adapter, xcvr_addr,
(uint8_t) offsetof(MI_REGS_t, idr2),
&idr2.value);
xcvr_id = (uint32_t) ((idr1.value << 16) | idr2.value);
if ((idr1.value != 0) && (idr1.value != 0xffff)) {
adapter->Stats.xcvr_id = xcvr_id;
adapter->Stats.xcvr_addr = xcvr_addr;
status = 0;
break;
}
}
return status;
}
/**
* et131x_xcvr_find - Find the PHY ID
* @adapter: pointer to our private adapter structure
*
* Returns 0 on success, errno on failure (as defined in errno.h)
*/
int et131x_xcvr_find(struct et131x_adapter *adapter)
{
int status = -ENODEV;
uint8_t xcvr_addr;
MI_IDR1_t idr1;
MI_IDR2_t idr2;
uint32_t xcvr_id;
/* We need to get xcvr id and address we just get the first one */
for (xcvr_addr = 0; xcvr_addr < 32; xcvr_addr++) {
/* Read the ID from the PHY */
PhyMiRead(adapter, xcvr_addr,
(uint8_t) offsetof(MI_REGS_t, idr1),
&idr1.value);
PhyMiRead(adapter, xcvr_addr,
(uint8_t) offsetof(MI_REGS_t, idr2),
&idr2.value);
xcvr_id = (uint32_t) ((idr1.value << 16) | idr2.value);
if ((idr1.value != 0) && (idr1.value != 0xffff)) {
adapter->Stats.xcvr_id = xcvr_id;
adapter->Stats.xcvr_addr = xcvr_addr;
status = 0;
break;
}
}
return status;
}
