/* Link Width Encoding */
#define LNK_X1 0x01
#define LNK_X2 0x02
-#define LNK_X4 0x04
+#define LNK_X4 0x04
#define LNK_X8 0x08
#define LNK_X12 0x0C
-#define LNK_X16 0x10
+#define LNK_X16 0x10
#define LNK_X32 0x20
/*Field definitions of Link Status Register */
goto out;
}
- if ((slot_status & CMD_COMPLETED) == CMD_COMPLETED ) {
+ if ((slot_status & CMD_COMPLETED) == CMD_COMPLETED ) {
/* After 1 sec and CMD_COMPLETED still not set, just
proceed forward to issue the next command according
to spec. Just print out the error message */
}
dbg("%s: lnk_status = %x\n", __FUNCTION__, lnk_status);
- if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) ||
+ if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) ||
!(lnk_status & NEG_LINK_WD)) {
err("%s : Link Training Error occurs \n", __FUNCTION__);
retval = -1;
*status = 1;
break;
case 1:
- *status = 0;
+ *status = 0;
break;
default:
*status = 0xFF;
return retval;
}
- *status = (((slot_status & MRL_STATE) >> 5) == 0) ? 0 : 1;
+ *status = (((slot_status & MRL_STATE) >> 5) == 0) ? 0 : 1;
return 0;
}
return retval;
}
pwr_fault = (u8)((slot_status & PWR_FAULT_DETECTED) >> 1);
-
+
return pwr_fault;
}
rc = pcie_write_cmd(slot, slot_cmd, cmd_mask);
dbg("%s: SLOTCTRL %x write cmd %x\n",
__FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd);
-
+
return rc;
}
struct controller *ctrl = slot->ctrl;
u16 slot_cmd;
u16 cmd_mask;
-
+
slot_cmd = 0x0100;
cmd_mask = PWR_LED_CTRL;
if (!pciehp_poll_mode) {
struct controller *ctrl = slot->ctrl;
u16 slot_cmd;
u16 cmd_mask;
-
+
slot_cmd = 0x0200;
cmd_mask = PWR_LED_CTRL;
if (!pciehp_poll_mode) {
}
dbg("%s: pciehp_readw(SLOTSTATUS) with value %x\n",
__FUNCTION__, slot_status);
-
+
/* Clear command complete interrupt caused by this write */
temp_word = 0x1f;
rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word);
return IRQ_NONE;
}
}
-
+
if (intr_loc & CMD_COMPLETED) {
- /*
- * Command Complete Interrupt Pending
+ /*
+ * Command Complete Interrupt Pending
*/
ctrl->cmd_busy = 0;
wake_up_interruptible(&ctrl->queue);
__FUNCTION__);
return IRQ_NONE;
}
-
+
/* Clear command complete interrupt caused by this write */
temp_word = 0x1F;
rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word);
dbg("%s: pciehp_writew(SLOTSTATUS) with value %x\n",
__FUNCTION__, temp_word);
}
-
+
return IRQ_HANDLED;
}
err("%s: Cannot read LNKSTATUS register\n", __FUNCTION__);
return retval;
}
-
+
switch ((lnk_status & 0x03F0) >> 4){
case 0:
lnk_wdth = PCIE_LNK_WIDTH_RESRV;
.get_cur_bus_speed = hpc_get_cur_lnk_speed,
.get_max_lnk_width = hpc_get_max_lnk_width,
.get_cur_lnk_width = hpc_get_cur_lnk_width,
-
+
.query_power_fault = hpc_query_power_fault,
.green_led_on = hpc_set_green_led_on,
.green_led_off = hpc_set_green_led_off,
.green_led_blink = hpc_set_green_led_blink,
-
+
.release_ctlr = hpc_release_ctlr,
.check_lnk_status = hpc_check_lnk_status,
};
(unsigned long long)pci_resource_start(pdev, rc),
(unsigned long long)pci_resource_len(pdev, rc));
- info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device,
+ info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device,
pdev->subsystem_vendor, pdev->subsystem_device);
mutex_init(&ctrl->crit_sect);
if (ATTN_BUTTN(slot_cap))
intr_enable = intr_enable | ATTN_BUTTN_ENABLE;
-
+
if (POWER_CTRL(slot_cap))
intr_enable = intr_enable | PWR_FAULT_DETECT_ENABLE;
-
+
if (MRL_SENS(slot_cap))
intr_enable = intr_enable | MRL_DETECT_ENABLE;
- temp_word = (temp_word & ~intr_enable) | intr_enable;
+ temp_word = (temp_word & ~intr_enable) | intr_enable;
if (pciehp_poll_mode) {
temp_word = (temp_word & ~HP_INTR_ENABLE) | 0x0;
err("%s: Cannot read SLOTSTATUS register\n", __FUNCTION__);
goto abort_disable_intr;
}
-
+
temp_word = 0x1F; /* Clear all events */
rc = pciehp_writew(ctrl, SLOTSTATUS, temp_word);
if (rc) {
err("%s: Cannot write to SLOTSTATUS register\n", __FUNCTION__);
goto abort_disable_intr;
}
-
+
if (pciehp_force) {
dbg("Bypassing BIOS check for pciehp use on %s\n",
pci_name(ctrl->pci_dev));