| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Greybus bundles |
| * |
| * Copyright 2014 Google Inc. |
| * Copyright 2014 Linaro Ltd. |
| */ |
| |
| #ifndef __BUNDLE_H |
| #define __BUNDLE_H |
| |
| #include <linux/list.h> |
| |
| #define BUNDLE_ID_NONE U8_MAX |
| |
| /* Greybus "public" definitions" */ |
| struct gb_bundle { |
| struct device dev; |
| struct gb_interface *intf; |
| |
| u8 id; |
| u8 class; |
| u8 class_major; |
| u8 class_minor; |
| |
| size_t num_cports; |
| struct greybus_descriptor_cport *cport_desc; |
| |
| struct list_head connections; |
| u8 *state; |
| |
| struct list_head links; /* interface->bundles */ |
| }; |
| #define to_gb_bundle(d) container_of(d, struct gb_bundle, dev) |
| |
| /* Greybus "private" definitions" */ |
| struct gb_bundle *gb_bundle_create(struct gb_interface *intf, u8 bundle_id, |
| u8 class); |
| int gb_bundle_add(struct gb_bundle *bundle); |
| void gb_bundle_destroy(struct gb_bundle *bundle); |
| |
| /* Bundle Runtime PM wrappers */ |
| #ifdef CONFIG_PM |
| static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle) |
| { |
| int retval; |
| |
| retval = pm_runtime_get_sync(&bundle->dev); |
| if (retval < 0) { |
| dev_err(&bundle->dev, |
| "pm_runtime_get_sync failed: %d\n", retval); |
| pm_runtime_put_noidle(&bundle->dev); |
| return retval; |
| } |
| |
| return 0; |
| } |
| |
| static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle) |
| { |
| int retval; |
| |
| pm_runtime_mark_last_busy(&bundle->dev); |
| retval = pm_runtime_put_autosuspend(&bundle->dev); |
| |
| return retval; |
| } |
| |
| static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) |
| { |
| pm_runtime_get_noresume(&bundle->dev); |
| } |
| |
| static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) |
| { |
| pm_runtime_put_noidle(&bundle->dev); |
| } |
| |
| #else |
| static inline int gb_pm_runtime_get_sync(struct gb_bundle *bundle) |
| { return 0; } |
| static inline int gb_pm_runtime_put_autosuspend(struct gb_bundle *bundle) |
| { return 0; } |
| |
| static inline void gb_pm_runtime_get_noresume(struct gb_bundle *bundle) {} |
| static inline void gb_pm_runtime_put_noidle(struct gb_bundle *bundle) {} |
| #endif |
| |
| #endif /* __BUNDLE_H */ |
