vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* PPS generator API kernel header
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*
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* Copyright (C) 2024 Rodolfo Giometti <giometti@enneenne.com>
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*/
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#ifndef LINUX_PPS_GEN_KERNEL_H
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#define LINUX_PPS_GEN_KERNEL_H
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#include <linux/pps_gen.h>
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#include <linux/cdev.h>
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#include <linux/device.h>
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/*
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* Global defines
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*/
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#define PPS_GEN_MAX_SOURCES 16 /* should be enough... */
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struct pps_gen_device;
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/**
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* struct pps_gen_source_info - the specific PPS generator info
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* @use_system_clock: true, if the system clock is used to generate pulses
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* @get_time: query the time stored into the generator clock
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* @enable: enable/disable the PPS pulses generation
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*
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* This is the main generator struct where all needed information must be
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* placed before calling the pps_gen_register_source().
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*/
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struct pps_gen_source_info {
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bool use_system_clock;
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int (*get_time)(struct pps_gen_device *pps_gen,
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struct timespec64 *time);
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int (*enable)(struct pps_gen_device *pps_gen, bool enable);
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/* private: internal use only */
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struct module *owner;
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struct device *parent; /* for device_create */
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};
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/* The main struct */
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struct pps_gen_device {
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const struct pps_gen_source_info *info; /* PSS generator info */
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bool enabled; /* PSS generator status */
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unsigned int event;
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unsigned int sequence;
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unsigned int last_ev; /* last PPS event id */
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wait_queue_head_t queue; /* PPS event queue */
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unsigned int id; /* PPS generator unique ID */
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struct cdev cdev;
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struct device *dev;
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struct fasync_struct *async_queue; /* fasync method */
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spinlock_t lock;
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};
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/*
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* Global variables
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*/
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extern const struct attribute_group *pps_gen_groups[];
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/*
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* Exported functions
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*/
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extern struct pps_gen_device *pps_gen_register_source(
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const struct pps_gen_source_info *info);
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extern void pps_gen_unregister_source(struct pps_gen_device *pps_gen);
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extern void pps_gen_event(struct pps_gen_device *pps_gen,
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unsigned int event, void *data);
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#endif /* LINUX_PPS_GEN_KERNEL_H */
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