/* Port Id lives in bits 23:16 and register offset lives in 15:0 of address */
#define PCR_PORTID_SHIFT 16
+#if !defined(__ACPI__)
+
+/* These registers contain IOAPIC and HPET devfn */
+#define PCH_P2SB_IBDF 0x6c
+#define PCH_P2SB_HBDF 0x70
+
/**
- * struct p2sb_child_platdata - Information about each child of a p2sb device
+ * struct p2sb_child_plat - Information about each child of a p2sb device
*
* @pid: Port ID for this child
*/
-struct p2sb_child_platdata {
+struct p2sb_child_plat {
uint pid;
};
};
/**
- * struct p2sb_ops - Operations for the P2SB (none at present)
+ * struct p2sb_ops - Operations for the P2SB
*/
struct p2sb_ops {
+ /**
+ * set_hide() - Set/clear the 'hide' bit on the p2sb
+ *
+ * This device can be hidden from the PCI bus if needed. This method
+ * can be called before the p2sb is probed.
+ *
+ * @dev: P2SB device
+ * @hide: true to hide the device, false to show it
+ * @return 0 if OK, -ve on error
+ */
+ int (*set_hide)(struct udevice *dev, bool hide);
};
#define p2sb_get_ops(dev) ((struct p2sb_ops *)(dev)->driver->ops)
/**
+ * p2sb_set_hide() - Set/clear the 'hide' bit on the p2sb
+ *
+ * This device can be hidden from the PCI bus if needed. This method
+ * can be called before the p2sb is probed.
+ *
+ * @dev: P2SB device
+ * @hide: true to hide the device, false to show it
+ * Return: 0 if OK, -ve on error
+ */
+int p2sb_set_hide(struct udevice *dev, bool hide);
+
+/**
* pcr_read32/16/8() - Read from a PCR device
*
* Reads data from a PCR device within the P2SB
*
* @dev: Device to read from
* @offset: Offset within device to read
- * @return value read
+ * Return: value read
*/
uint pcr_read32(struct udevice *dev, uint offset);
uint pcr_read16(struct udevice *dev, uint offset);
*
* @dev: Child device (whose parent is UCLASS_P2SB)
* @portid: Port ID of child device
- * @return 0 if OK, -ENODEV is the p2sb device could not be found
+ * Return: 0 if OK, -ENODEV is the p2sb device could not be found
*/
int p2sb_set_port_id(struct udevice *dev, int portid);
* p2sb_get_port_id() - Get the port ID for a p2sb child device
*
* @dev: Child device (whose parent is UCLASS_P2SB)
- * @return Port ID of that child
+ * Return: Port ID of that child
*/
int p2sb_get_port_id(struct udevice *dev);
+/**
+ * pcr_reg_address() Convert an offset in p2sb space to an absolute address
+ *
+ * @dev: Child device (whose parent is UCLASS_P2SB)
+ * @offset: Offset within that child's address space
+ * Return: pointer to that offset within the child's address space
+ */
+void *pcr_reg_address(struct udevice *dev, uint offset);
+
+#endif /* !__ACPI__ */
+
#endif