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Diffstat (limited to 'include/dm/device-internal.h')
| -rw-r--r-- | include/dm/device-internal.h | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h deleted file mode 100644 index ee2b24a..0000000 --- a/include/dm/device-internal.h +++ /dev/null @@ -1,219 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2013 Google, Inc - * - * (C) Copyright 2012 - * Pavel Herrmann <morpheus.ibis@gmail.com> - * Marek Vasut <marex@denx.de> - */ - -#ifndef _DM_DEVICE_INTERNAL_H -#define _DM_DEVICE_INTERNAL_H - -#include <dm/ofnode.h> - -struct device_node; -struct udevice; - -/** - * device_bind() - Create a device and bind it to a driver - * - * Called to set up a new device attached to a driver. The device will either - * have platdata, or a device tree node which can be used to create the - * platdata. - * - * Once bound a device exists but is not yet active until device_probe() is - * called. - * - * @parent: Pointer to device's parent, under which this driver will exist - * @drv: Device's driver - * @name: Name of device (e.g. device tree node name) - * @platdata: Pointer to data for this device - the structure is device- - * specific but may include the device's I/O address, etc.. This is NULL for - * devices which use device tree. - * @of_offset: Offset of device tree node for this device. This is -1 for - * devices which don't use device tree. - * @devp: if non-NULL, returns a pointer to the bound device - * @return 0 if OK, -ve on error - */ -int device_bind(struct udevice *parent, const struct driver *drv, - const char *name, void *platdata, int of_offset, - struct udevice **devp); - -int device_bind_ofnode(struct udevice *parent, const struct driver *drv, - const char *name, void *platdata, ofnode node, - struct udevice **devp); - -/** - * device_bind_with_driver_data() - Create a device and bind it to a driver - * - * Called to set up a new device attached to a driver, in the case where the - * driver was matched to the device by means of a match table that provides - * driver_data. - * - * Once bound a device exists but is not yet active until device_probe() is - * called. - * - * @parent: Pointer to device's parent, under which this driver will exist - * @drv: Device's driver - * @name: Name of device (e.g. device tree node name) - * @driver_data: The driver_data field from the driver's match table. - * @node: Device tree node for this device. This is invalid for devices which - * don't use device tree. - * @devp: if non-NULL, returns a pointer to the bound device - * @return 0 if OK, -ve on error - */ -int device_bind_with_driver_data(struct udevice *parent, - const struct driver *drv, const char *name, - ulong driver_data, ofnode node, - struct udevice **devp); -/** - * device_bind_by_name: Create a device and bind it to a driver - * - * This is a helper function used to bind devices which do not use device - * tree. - * - * @parent: Pointer to device's parent - * @pre_reloc_only: If true, bind the driver only if its DM_FLAG_PRE_RELOC flag - * is set. If false bind the driver always. - * @info: Name and platdata for this device - * @devp: if non-NULL, returns a pointer to the bound device - * @return 0 if OK, -ve on error - */ -int device_bind_by_name(struct udevice *parent, bool pre_reloc_only, - const struct driver_info *info, struct udevice **devp); - -/** - * device_probe() - Probe a device, activating it - * - * Activate a device so that it is ready for use. All its parents are probed - * first. - * - * @dev: Pointer to device to probe - * @return 0 if OK, -ve on error - */ -int device_probe(struct udevice *dev); - -/** - * device_remove() - Remove a device, de-activating it - * - * De-activate a device so that it is no longer ready for use. All its - * children are deactivated first. - * - * @dev: Pointer to device to remove - * @flags: Flags for selective device removal (DM_REMOVE_...) - * @return 0 if OK, -ve on error (an error here is normally a very bad thing) - */ -#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) -int device_remove(struct udevice *dev, uint flags); -#else -static inline int device_remove(struct udevice *dev, uint flags) { return 0; } -#endif - -/** - * device_unbind() - Unbind a device, destroying it - * - * Unbind a device and remove all memory used by it - * - * @dev: Pointer to device to unbind - * @return 0 if OK, -ve on error - */ -#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) -int device_unbind(struct udevice *dev); -#else -static inline int device_unbind(struct udevice *dev) { return 0; } -#endif - -#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) -void device_free(struct udevice *dev); -#else -static inline void device_free(struct udevice *dev) {} -#endif - -/** - * device_chld_unbind() - Unbind all device's children from the device if bound - * to drv - * - * On error, the function continues to unbind all children, and reports the - * first error. - * - * @dev: The device that is to be stripped of its children - * @drv: The targeted driver - * @return 0 on success, -ve on error - */ -#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) -int device_chld_unbind(struct udevice *dev, struct driver *drv); -#else -static inline int device_chld_unbind(struct udevice *dev, struct driver *drv) -{ - return 0; -} -#endif - -/** - * device_chld_remove() - Stop all device's children - * @dev: The device whose children are to be removed - * @drv: The targeted driver - * @flags: Flag, if this functions is called in the pre-OS stage - * @return 0 on success, -ve on error - */ -#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE) -int device_chld_remove(struct udevice *dev, struct driver *drv, - uint flags); -#else -static inline int device_chld_remove(struct udevice *dev, struct driver *drv, - uint flags) -{ - return 0; -} -#endif - -/** - * simple_bus_translate() - translate a bus address to a system address - * - * This handles the 'ranges' property in a simple bus. It translates the - * device address @addr to a system address using this property. - * - * @dev: Simple bus device (parent of target device) - * @addr: Address to translate - * @return new address - */ -fdt_addr_t simple_bus_translate(struct udevice *dev, fdt_addr_t addr); - -/* Cast away any volatile pointer */ -#define DM_ROOT_NON_CONST (((gd_t *)gd)->dm_root) -#define DM_UCLASS_ROOT_NON_CONST (((gd_t *)gd)->uclass_root) - -/* device resource management */ -#ifdef CONFIG_DEVRES - -/** - * devres_release_probe - Release managed resources allocated after probing - * @dev: Device to release resources for - * - * Release all resources allocated for @dev when it was probed or later. - * This function is called on driver removal. - */ -void devres_release_probe(struct udevice *dev); - -/** - * devres_release_all - Release all managed resources - * @dev: Device to release resources for - * - * Release all resources associated with @dev. This function is - * called on driver unbinding. - */ -void devres_release_all(struct udevice *dev); - -#else /* ! CONFIG_DEVRES */ - -static inline void devres_release_probe(struct udevice *dev) -{ -} - -static inline void devres_release_all(struct udevice *dev) -{ -} - -#endif /* ! CONFIG_DEVRES */ -#endif |