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