Merge git://git.denx.de/u-boot-spi

[people/ms/u-boot.git] / include / ahci.h

diff --git a/include/ahci.h b/include/ahci.h
index a956c6ff5df78c37c0a66cdde88772dd251f34a3..cc36d81f98a6dabd75dd6f53e65ddabebe286733 100644 (file)
--- a/include/ahci.h
+++ b/include/ahci.h
@@ -144,13 +144,25 @@ struct ahci_ioports {
        u32     rx_fis;
 };
 
-struct ahci_probe_ent {
-#ifdef CONFIG_DM_PCI
+/**
+ * struct ahci_uc_priv - information about an AHCI controller
+ *
+ * When driver model is used, this is accessible using dev_get_uclass_priv(dev)
+ * where dev is the controller (although at present it sometimes stands alone).
+ */
+struct ahci_uc_priv {
+#if defined(CONFIG_DM_PCI) || defined(CONFIG_DM_SCSI)
+       /*
+        * TODO(sjg@chromium.org): Drop this once this structure is only used
+        * in a driver-model context (i.e. attached to a device with
+        * dev_get_uclass_priv()
+        */
        struct udevice *dev;
 #else
        pci_dev_t       dev;
 #endif
        struct ahci_ioports     port[AHCI_MAX_PORTS];
+       u16 *ataid[AHCI_MAX_PORTS];
        u32     n_ports;
        u32     hard_port_no;
        u32     host_flags;
@@ -164,7 +176,116 @@ struct ahci_probe_ent {
        u32     link_port_map; /*linkup port map*/
 };
 
+struct ahci_ops {
+       /**
+        * reset() - reset the controller
+        *
+        * @dev:        Controller to reset
+        * @return 0 if OK, -ve on error
+        */
+       int (*reset)(struct udevice *dev);
+
+       /**
+        * port_status() - get the status of a SATA port
+        *
+        * @dev:        Controller to reset
+        * @port:       Port number to check (0 for first)
+        * @return 0 if detected, -ENXIO if nothing on port, other -ve on error
+        */
+       int (*port_status)(struct udevice *dev, int port);
+
+       /**
+        * scan() - scan SATA ports
+        *
+        * @dev:        Controller to scan
+        * @return 0 if OK, -ve on error
+        */
+       int (*scan)(struct udevice *dev);
+};
+
+#define ahci_get_ops(dev)        ((struct ahci_ops *)(dev)->driver->ops)
+
+/**
+ * sata_reset() - reset the controller
+ *
+ * @dev:       Controller to reset
+ * @return 0 if OK, -ve on error
+ */
+int sata_reset(struct udevice *dev);
+
+/**
+ * sata_port_status() - get the status of a SATA port
+ *
+ * @dev:       Controller to reset
+ * @port:      Port number to check (0 for first)
+ * @return 0 if detected, -ENXIO if nothin on port, other -ve on error
+ */
+int sata_dm_port_status(struct udevice *dev, int port);
+
+/**
+ * sata_scan() - scan SATA ports
+ *
+ * @dev:       Controller to scan
+ * @return 0 if OK, -ve on error
+ */
+int sata_scan(struct udevice *dev);
+
 int ahci_init(void __iomem *base);
 int ahci_reset(void __iomem *base);
 
+/**
+ * ahci_init_one_dm() - set up a single AHCI port
+ *
+ * @dev: Controller to init
+ */
+int ahci_init_one_dm(struct udevice *dev);
+
+/**
+ * ahci_start_ports_dm() - start all AHCI ports for a controller
+ *
+ * @dev: Controller containing ports to start
+ */
+int ahci_start_ports_dm(struct udevice *dev);
+
+/**
+ * ahci_init_dm() - init AHCI for a controller, finding all ports
+ *
+ * @dev: Device to init
+ */
+int ahci_init_dm(struct udevice *dev, void __iomem *base);
+
+/**
+ * ahci_bind_scsi() - bind a new SCSI bus as a child
+ *
+ * Note that the SCSI bus device will itself bind block devices
+ *
+ * @ahci_dev: AHCI parent device
+ * @devp: Returns new SCSI bus device
+ * @return 0 if OK, -ve on error
+ */
+int ahci_bind_scsi(struct udevice *ahci_dev, struct udevice **devp);
+
+/**
+ * ahci_probe_scsi() - probe and scan the attached SCSI bus
+ *
+ * Note that the SCSI device will itself bind block devices for any storage
+ * devices it finds.
+ *
+ * @ahci_dev: AHCI parent device
+ * @base: Base address of AHCI port
+ * @return 0 if OK, -ve on error
+ */
+int ahci_probe_scsi(struct udevice *ahci_dev, ulong base);
+
+/**
+ * ahci_probe_scsi_pci() - probe and scan the attached SCSI bus on PCI
+ *
+ * Note that the SCSI device will itself bind block devices for any storage
+ * devices it finds.
+ *
+ * @ahci_dev: AHCI parent device
+ * @return 0 if OK, -ve on error
+ */
+int ahci_probe_scsi_pci(struct udevice *ahci_dev);
+
 #endif