X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fahci.h;h=818f34464e267d416eaeeb7a38a138c6e264e8e5;hb=8d3a25685e4aac7070365a2b3c53c2c81b27930f;hp=0bdedac187a8061aa46b25add56a14265c4de8f1;hpb=fa31377ef0fd1096fbeab9c240582a93c4da9f6d;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/ahci.h b/include/ahci.h index 0bdedac..818f344 100644 --- a/include/ahci.h +++ b/include/ahci.h @@ -144,9 +144,25 @@ struct ahci_ioports { u32 rx_fis; }; -struct ahci_probe_ent { +/** + * 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; @@ -163,4 +179,47 @@ struct ahci_probe_ent { int ahci_init(void __iomem *base); int ahci_reset(void __iomem *base); +/** + * achi_init_one_dm() - set up a single AHCI port + * + * @dev: Controller to init + */ +int achi_init_one_dm(struct udevice *dev); + +/** + * achi_start_ports_dm() - start all AHCI ports for a controller + * + * @dev: Controller containing ports to start + */ +int achi_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 + * @return 0 if OK, -ve on error + */ +int ahci_probe_scsi(struct udevice *ahci_dev); + #endif