diff options
Diffstat (limited to 'include/dm/device.h')
| -rw-r--r-- | include/dm/device.h | 111 |
1 files changed, 83 insertions, 28 deletions
diff --git a/include/dm/device.h b/include/dm/device.h index 30fc98dc34..f5b4cd6876 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -104,7 +104,7 @@ enum { * particular port or peripheral (essentially a driver instance). * * A device will come into existence through a 'bind' call, either due to - * a U_BOOT_DEVICE() macro (in which case plat is non-NULL) or a node + * a U_BOOT_DRVINFO() macro (in which case plat is non-NULL) or a node * in the device tree (in which case of_offset is >= 0). In the latter case * we translate the device tree information into plat in a function * implemented by the driver of_to_plat method (called just before the @@ -116,26 +116,34 @@ enum { * * @driver: The driver used by this device * @name: Name of device, typically the FDT node name - * @plat: Configuration data for this device - * @parent_plat: The parent bus's configuration data for this device - * @uclass_plat: The uclass's configuration data for this device - * @node: Reference to device tree node for this device + * @plat_: Configuration data for this device (do not access outside driver + * model) + * @parent_plat_: The parent bus's configuration data for this device (do not + * access outside driver model) + * @uclass_plat_: The uclass's configuration data for this device (do not access + * outside driver model) * @driver_data: Driver data word for the entry that matched this device with * its driver * @parent: Parent of this device, or NULL for the top level device - * @priv: Private data for this device + * @priv_: Private data for this device (do not access outside driver model) * @uclass: Pointer to uclass for this device - * @uclass_priv: The uclass's private data for this device - * @parent_priv: The parent's private data for this device + * @uclass_priv_: The uclass's private data for this device (do not access + * outside driver model) + * @parent_priv_: The parent's private data for this device (do not access + * outside driver model) * @uclass_node: Used by uclass to link its devices * @child_head: List of children of this device * @sibling_node: Next device in list of all devices - * @flags: Flags for this device DM_FLAG_... - * @seq: Allocated sequence number for this device (-1 = none). This is set up + * @flags_: Flags for this device DM_FLAG_... (do not access outside driver + * model) + * @seq_: Allocated sequence number for this device (-1 = none). This is set up * when the device is bound and is unique within the device's uclass. If the * device has an alias in the devicetree then that is used to set the sequence * number. Otherwise, the next available number is used. Sequence numbers are - * used by certain commands that need device to be numbered (e.g. 'mmc dev') + * used by certain commands that need device to be numbered (e.g. 'mmc dev'). + * (do not access outside driver model) + * @node_: Reference to device tree node for this device (do not access outside + * driver model) * @devres_head: List of memory allocations associated with this device. * When CONFIG_DEVRES is enabled, devm_kmalloc() and friends will * add to this list. Memory so-allocated will be freed @@ -144,21 +152,23 @@ enum { struct udevice { const struct driver *driver; const char *name; - void *plat; - void *parent_plat; - void *uclass_plat; - ofnode node; + void *plat_; + void *parent_plat_; + void *uclass_plat_; ulong driver_data; struct udevice *parent; - void *priv; + void *priv_; struct uclass *uclass; - void *uclass_priv; - void *parent_priv; + void *uclass_priv_; + void *parent_priv_; struct list_head uclass_node; struct list_head child_head; struct list_head sibling_node; - uint32_t flags; - int sqq; + u32 flags_; + int seq_; +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + ofnode node_; +#endif #ifdef CONFIG_DEVRES struct list_head devres_head; #endif @@ -170,22 +180,67 @@ struct udevice { /* Returns the operations for a device */ #define device_get_ops(dev) (dev->driver->ops) +static inline u32 dev_get_flags(const struct udevice *dev) +{ + return dev->flags_; +} + +static inline void dev_or_flags(struct udevice *dev, u32 or) +{ + dev->flags_ |= or; +} + +static inline void dev_bic_flags(struct udevice *dev, u32 bic) +{ + dev->flags_ &= ~bic; +} + +/** + * dev_ofnode() - get the DT node reference associated with a udevice + * + * @dev: device to check + * @return reference of the the device's DT node + */ +static inline ofnode dev_ofnode(const struct udevice *dev) +{ +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + return dev->node_; +#else + return ofnode_null(); +#endif +} + /* Returns non-zero if the device is active (probed and not removed) */ -#define device_active(dev) ((dev)->flags & DM_FLAG_ACTIVATED) +#define device_active(dev) (dev_get_flags(dev) & DM_FLAG_ACTIVATED) static inline int dev_of_offset(const struct udevice *dev) { - return ofnode_to_offset(dev->node); +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + return ofnode_to_offset(dev_ofnode(dev)); +#else + return -1; +#endif } -static inline bool dev_has_of_node(struct udevice *dev) +static inline bool dev_has_ofnode(const struct udevice *dev) { - return ofnode_valid(dev->node); +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + return ofnode_valid(dev_ofnode(dev)); +#else + return false; +#endif +} + +static inline void dev_set_ofnode(struct udevice *dev, ofnode node) +{ +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + dev->node_ = node; +#endif } static inline int dev_seq(const struct udevice *dev) { - return dev->sqq; + return dev->seq_; } /** @@ -238,7 +293,7 @@ struct udevice_id { * platform data to be allocated in the device's ->plat pointer. * This is typically only useful for device-tree-aware drivers (those with * an of_match), since drivers which use plat will have the data - * provided in the U_BOOT_DEVICE() instantiation. + * provided in the U_BOOT_DRVINFO() instantiation. * @per_child_auto: Each device can hold private data owned by * its parent. If required this will be automatically allocated if this * value is non-zero. @@ -280,7 +335,7 @@ struct driver { ll_entry_declare(struct driver, __name, driver) /* Get a pointer to a given driver */ -#define DM_GET_DRIVER(__name) \ +#define DM_DRIVER_GET(__name) \ ll_entry_get(struct driver, __name, driver) /** @@ -288,7 +343,7 @@ struct driver { * produce no code but its information will be parsed by tools like * dtoc */ -#define U_BOOT_DRIVER_ALIAS(__name, __alias) +#define DM_DRIVER_ALIAS(__name, __alias) /** * dev_get_plat() - Get the platform data for a device |