summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/dt-bindings/iio/adc/adi,ad4695.h (renamed from include/dt-bindings/iio/adi,ad4695.h)0
-rw-r--r--include/linux/coresight.h17
-rw-r--r--include/linux/iio/adc/ad_sigma_delta.h10
-rw-r--r--include/linux/iio/buffer.h2
-rw-r--r--include/linux/iio/consumer.h4
-rw-r--r--include/linux/iio/iio-gts-helper.h6
-rw-r--r--include/linux/iio/iio-opaque.h2
-rw-r--r--include/linux/iio/iio.h2
-rw-r--r--include/linux/iio/imu/adis.h1
-rw-r--r--include/linux/iio/timer/stm32-timer-trigger.h6
-rw-r--r--include/linux/miscdevice.h2
-rw-r--r--include/linux/nvmem-provider.h4
-rw-r--r--include/linux/pps_gen_kernel.h78
-rw-r--r--include/linux/pps_kernel.h3
-rw-r--r--include/linux/vmw_vmci_defs.h14
-rw-r--r--include/uapi/linux/ntsync.h42
-rw-r--r--include/uapi/linux/pps_gen.h37
17 files changed, 202 insertions, 28 deletions
diff --git a/include/dt-bindings/iio/adi,ad4695.h b/include/dt-bindings/iio/adc/adi,ad4695.h
index 9fbef542bf67..9fbef542bf67 100644
--- a/include/dt-bindings/iio/adi,ad4695.h
+++ b/include/dt-bindings/iio/adc/adi,ad4695.h
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index c13342594278..17276965ff1d 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -172,6 +172,9 @@ struct coresight_desc {
* @dest_dev: a @coresight_device representation of the component
connected to @src_port. NULL until the device is created
* @link: Representation of the connection as a sysfs link.
+ * @filter_src_fwnode: filter source component's fwnode handle.
+ * @filter_src_dev: a @coresight_device representation of the component that
+ needs to be filtered.
*
* The full connection structure looks like this, where in_conns store
* references to same connection as the source device's out_conns.
@@ -200,8 +203,10 @@ struct coresight_connection {
struct coresight_device *dest_dev;
struct coresight_sysfs_link *link;
struct coresight_device *src_dev;
- atomic_t src_refcnt;
- atomic_t dest_refcnt;
+ struct fwnode_handle *filter_src_fwnode;
+ struct coresight_device *filter_src_dev;
+ int src_refcnt;
+ int dest_refcnt;
};
/**
@@ -588,9 +593,14 @@ static inline void csdev_access_write64(struct csdev_access *csa, u64 val, u32 o
}
#endif /* CONFIG_64BIT */
+static inline bool coresight_is_device_source(struct coresight_device *csdev)
+{
+ return csdev && (csdev->type == CORESIGHT_DEV_TYPE_SOURCE);
+}
+
static inline bool coresight_is_percpu_source(struct coresight_device *csdev)
{
- return csdev && (csdev->type == CORESIGHT_DEV_TYPE_SOURCE) &&
+ return csdev && coresight_is_device_source(csdev) &&
(csdev->subtype.source_subtype == CORESIGHT_DEV_SUBTYPE_SOURCE_PROC);
}
@@ -662,6 +672,7 @@ void coresight_relaxed_write64(struct coresight_device *csdev,
void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset);
extern int coresight_get_cpu(struct device *dev);
+extern int coresight_get_static_trace_id(struct device *dev, u32 *id);
struct coresight_platform_data *coresight_get_platform_data(struct device *dev);
struct coresight_connection *
diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h
index f8c1d2505940..417073c52380 100644
--- a/include/linux/iio/adc/ad_sigma_delta.h
+++ b/include/linux/iio/adc/ad_sigma_delta.h
@@ -29,6 +29,7 @@ struct ad_sd_calib_data {
struct ad_sigma_delta;
struct device;
+struct gpio_desc;
struct iio_dev;
/**
@@ -53,6 +54,7 @@ struct iio_dev;
* @irq_flags: flags for the interrupt used by the triggered buffer
* @num_slots: Number of sequencer slots
* @irq_line: IRQ for reading conversions. If 0, spi->irq will be used
+ * @num_resetclks: Number of SPI clk cycles with MOSI=1 to reset the chip.
*/
struct ad_sigma_delta_info {
int (*set_channel)(struct ad_sigma_delta *, unsigned int channel);
@@ -69,6 +71,7 @@ struct ad_sigma_delta_info {
unsigned long irq_flags;
unsigned int num_slots;
int irq_line;
+ unsigned int num_resetclks;
};
/**
@@ -85,6 +88,7 @@ struct ad_sigma_delta {
/* private: */
struct completion completion;
+ spinlock_t irq_lock; /* protects .irq_dis and irq en/disable state */
bool irq_dis;
bool bus_locked;
@@ -96,7 +100,8 @@ struct ad_sigma_delta {
unsigned int active_slots;
unsigned int current_slot;
unsigned int num_slots;
- int irq_line;
+ struct gpio_desc *rdy_gpiod;
+ int irq_line;
bool status_appended;
/* map slots to channels in order to know what to expect from devices */
unsigned int *slots;
@@ -178,8 +183,7 @@ int ad_sd_write_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg,
int ad_sd_read_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg,
unsigned int size, unsigned int *val);
-int ad_sd_reset(struct ad_sigma_delta *sigma_delta,
- unsigned int reset_length);
+int ad_sd_reset(struct ad_sigma_delta *sigma_delta);
int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, int *val);
diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h
index 418b1307d3f2..3b8d618bb3df 100644
--- a/include/linux/iio/buffer.h
+++ b/include/linux/iio/buffer.h
@@ -37,7 +37,7 @@ int iio_pop_from_buffer(struct iio_buffer *buffer, void *data);
static inline int iio_push_to_buffers_with_timestamp(struct iio_dev *indio_dev,
void *data, int64_t timestamp)
{
- if (indio_dev->scan_timestamp) {
+ if (ACCESS_PRIVATE(indio_dev, scan_timestamp)) {
size_t ts_offset = indio_dev->scan_bytes / sizeof(int64_t) - 1;
((int64_t *)data)[ts_offset] = timestamp;
}
diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h
index 333d1d8ccb37..6a4479616479 100644
--- a/include/linux/iio/consumer.h
+++ b/include/linux/iio/consumer.h
@@ -418,7 +418,7 @@ unsigned int iio_get_channel_ext_info_count(struct iio_channel *chan);
* @chan: The channel being queried.
* @attr: The ext_info attribute to read.
* @buf: Where to store the attribute value. Assumed to hold
- * at least PAGE_SIZE bytes.
+ * at least PAGE_SIZE bytes and to be aligned at PAGE_SIZE.
*
* Returns the number of bytes written to buf (perhaps w/o zero termination;
* it need not even be a string), or an error code.
@@ -445,7 +445,7 @@ ssize_t iio_write_channel_ext_info(struct iio_channel *chan, const char *attr,
* iio_read_channel_label() - read label for a given channel
* @chan: The channel being queried.
* @buf: Where to store the attribute value. Assumed to hold
- * at least PAGE_SIZE bytes.
+ * at least PAGE_SIZE bytes and to be aligned at PAGE_SIZE.
*
* Returns the number of bytes written to buf, or an error code.
*/
diff --git a/include/linux/iio/iio-gts-helper.h b/include/linux/iio/iio-gts-helper.h
index 9cb6c80dea71..e5de7a124bad 100644
--- a/include/linux/iio/iio-gts-helper.h
+++ b/include/linux/iio/iio-gts-helper.h
@@ -188,6 +188,9 @@ int iio_gts_total_gain_to_scale(struct iio_gts *gts, int total_gain,
int iio_gts_find_gain_sel_for_scale_using_time(struct iio_gts *gts, int time_sel,
int scale_int, int scale_nano,
int *gain_sel);
+int iio_gts_find_gain_time_sel_for_scale(struct iio_gts *gts, int scale_int,
+ int scale_nano, int *gain_sel,
+ int *time_sel);
int iio_gts_get_scale(struct iio_gts *gts, int gain, int time, int *scale_int,
int *scale_nano);
int iio_gts_find_new_gain_sel_by_old_gain_time(struct iio_gts *gts,
@@ -196,6 +199,9 @@ int iio_gts_find_new_gain_sel_by_old_gain_time(struct iio_gts *gts,
int iio_gts_find_new_gain_by_old_gain_time(struct iio_gts *gts, int old_gain,
int old_time, int new_time,
int *new_gain);
+int iio_gts_find_new_gain_by_gain_time_min(struct iio_gts *gts, int old_gain,
+ int old_time, int new_time,
+ int *new_gain, bool *in_range);
int iio_gts_avail_times(struct iio_gts *gts, const int **vals, int *type,
int *length);
int iio_gts_all_avail_scales(struct iio_gts *gts, const int **vals, int *type,
diff --git a/include/linux/iio/iio-opaque.h b/include/linux/iio/iio-opaque.h
index a89e7e43e441..4247497f3f8b 100644
--- a/include/linux/iio/iio-opaque.h
+++ b/include/linux/iio/iio-opaque.h
@@ -28,7 +28,7 @@
* @groupcounter: index of next attribute group
* @legacy_scan_el_group: attribute group for legacy scan elements attribute group
* @legacy_buffer_group: attribute group for legacy buffer attributes group
- * @bounce_buffer: for devices that call iio_push_to_buffers_with_timestamp_unaligned()
+ * @bounce_buffer: for devices that call iio_push_to_buffers_with_ts_unaligned()
* @bounce_buffer_size: size of currently allocate bounce buffer
* @scan_index_timestamp: cache of the index to the timestamp
* @clock_id: timestamping clock posix identifier
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index ae65890d4567..56161e02f002 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -611,7 +611,7 @@ struct iio_dev {
const unsigned long *available_scan_masks;
unsigned int __private masklength;
const unsigned long *active_scan_mask;
- bool scan_timestamp;
+ bool __private scan_timestamp;
struct iio_trigger *trig;
struct iio_poll_func *pollfunc;
struct iio_poll_func *pollfunc_event;
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
index e6a75356567a..4bb98d9731de 100644
--- a/include/linux/iio/imu/adis.h
+++ b/include/linux/iio/imu/adis.h
@@ -99,7 +99,6 @@ struct adis_data {
* @spi: Reference to SPI device which owns this ADIS IIO device
* @trig: IIO trigger object data
* @data: ADIS chip variant specific data
- * @burst: ADIS burst transfer information
* @burst_extra_len: Burst extra length. Should only be used by devices that can
* dynamically change their burst mode length.
* @state_lock: Lock used by the device to protect state
diff --git a/include/linux/iio/timer/stm32-timer-trigger.h b/include/linux/iio/timer/stm32-timer-trigger.h
index 37572e4dc73a..1ee237b56183 100644
--- a/include/linux/iio/timer/stm32-timer-trigger.h
+++ b/include/linux/iio/timer/stm32-timer-trigger.h
@@ -72,6 +72,12 @@
#define TIM17_OC1 "tim17_oc1"
+#define TIM20_OC1 "tim20_oc1"
+#define TIM20_OC2 "tim20_oc2"
+#define TIM20_OC3 "tim20_oc3"
+#define TIM20_TRGO "tim20_trgo"
+#define TIM20_TRGO2 "tim20_trgo2"
+
#if IS_REACHABLE(CONFIG_IIO_STM32_TIMER_TRIGGER)
bool is_stm32_timer_trigger(struct iio_trigger *trig);
#else
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index c0fea6ca5076..69e110c2b86a 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -76,7 +76,7 @@
struct device;
struct attribute_group;
-struct miscdevice {
+struct miscdevice {
int minor;
const char *name;
const struct file_operations *fops;
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 3ebeaa0ded00..515676ebe598 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -92,8 +92,8 @@ struct nvmem_cell_info {
* @read_only: Device is read-only.
* @root_only: Device is accessibly to root only.
* @of_node: If given, this will be used instead of the parent's of_node.
- * @reg_read: Callback to read data.
- * @reg_write: Callback to write data.
+ * @reg_read: Callback to read data; return zero if successful.
+ * @reg_write: Callback to write data; return zero if successful.
* @size: Device size.
* @word_size: Minimum read/write access granularity.
* @stride: Minimum read/write access stride.
diff --git a/include/linux/pps_gen_kernel.h b/include/linux/pps_gen_kernel.h
new file mode 100644
index 000000000000..022ea0ac4440
--- /dev/null
+++ b/include/linux/pps_gen_kernel.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * PPS generator API kernel header
+ *
+ * Copyright (C) 2024 Rodolfo Giometti <giometti@enneenne.com>
+ */
+
+#ifndef LINUX_PPS_GEN_KERNEL_H
+#define LINUX_PPS_GEN_KERNEL_H
+
+#include <linux/pps_gen.h>
+#include <linux/cdev.h>
+#include <linux/device.h>
+
+/*
+ * Global defines
+ */
+
+#define PPS_GEN_MAX_SOURCES 16 /* should be enough... */
+
+struct pps_gen_device;
+
+/**
+ * struct pps_gen_source_info - the specific PPS generator info
+ * @use_system_clock: true, if the system clock is used to generate pulses
+ * @get_time: query the time stored into the generator clock
+ * @enable: enable/disable the PPS pulses generation
+ *
+ * This is the main generator struct where all needed information must be
+ * placed before calling the pps_gen_register_source().
+ */
+struct pps_gen_source_info {
+ bool use_system_clock;
+
+ int (*get_time)(struct pps_gen_device *pps_gen,
+ struct timespec64 *time);
+ int (*enable)(struct pps_gen_device *pps_gen, bool enable);
+
+/* private: internal use only */
+ struct module *owner;
+ struct device *parent; /* for device_create */
+};
+
+/* The main struct */
+struct pps_gen_device {
+ struct pps_gen_source_info info; /* PSS generator info */
+ bool enabled; /* PSS generator status */
+
+ unsigned int event;
+ unsigned int sequence;
+
+ unsigned int last_ev; /* last PPS event id */
+ wait_queue_head_t queue; /* PPS event queue */
+
+ unsigned int id; /* PPS generator unique ID */
+ struct cdev cdev;
+ struct device *dev;
+ struct fasync_struct *async_queue; /* fasync method */
+ spinlock_t lock;
+};
+
+/*
+ * Global variables
+ */
+
+extern const struct attribute_group *pps_gen_groups[];
+
+/*
+ * Exported functions
+ */
+
+extern struct pps_gen_device *pps_gen_register_source(
+ struct pps_gen_source_info *info);
+extern void pps_gen_unregister_source(struct pps_gen_device *pps_gen);
+extern void pps_gen_event(struct pps_gen_device *pps_gen,
+ unsigned int event, void *data);
+
+#endif /* LINUX_PPS_GEN_KERNEL_H */
diff --git a/include/linux/pps_kernel.h b/include/linux/pps_kernel.h
index 78c8ac4951b5..c7abce28ed29 100644
--- a/include/linux/pps_kernel.h
+++ b/include/linux/pps_kernel.h
@@ -56,8 +56,7 @@ struct pps_device {
unsigned int id; /* PPS source unique ID */
void const *lookup_cookie; /* For pps_lookup_dev() only */
- struct cdev cdev;
- struct device *dev;
+ struct device dev;
struct fasync_struct *async_queue; /* fasync method */
spinlock_t lock;
};
diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h
index 6fb663b36f72..60c9eacd2cf3 100644
--- a/include/linux/vmw_vmci_defs.h
+++ b/include/linux/vmw_vmci_defs.h
@@ -431,11 +431,11 @@ enum {
((((_p)[0] & 0xFF) << 24) | (((_p)[1] & 0xFF) << 16) | ((_p)[2]))
/*
- * The VMCI IOCTLs. We use identity code 7, as noted in ioctl-number.h, and
- * we start at sequence 9f. This gives us the same values that our shipping
- * products use, starting at 1951, provided we leave out the direction and
- * structure size. Note that VMMon occupies the block following us, starting
- * at 2001.
+ * The VMCI IOCTLs. We use identity code 7, as noted in ioctl-number.rst,
+ * and we start at sequence 9f. This gives us the same values that our
+ * shipping products use, starting at 1951, provided we leave out the
+ * direction and structure size. Note that VMMon occupies the block
+ * following us, starting at 2001.
*/
#define IOCTL_VMCI_VERSION _IO(7, 0x9f) /* 1951 */
#define IOCTL_VMCI_INIT_CONTEXT _IO(7, 0xa0)
@@ -453,9 +453,7 @@ enum {
#define IOCTL_VMCI_CTX_GET_CPT_STATE _IO(7, 0xb1)
#define IOCTL_VMCI_CTX_SET_CPT_STATE _IO(7, 0xb2)
#define IOCTL_VMCI_GET_CONTEXT_ID _IO(7, 0xb3)
-#define IOCTL_VMCI_SOCKETS_VERSION _IO(7, 0xb4)
-#define IOCTL_VMCI_SOCKETS_GET_AF_VALUE _IO(7, 0xb8)
-#define IOCTL_VMCI_SOCKETS_GET_LOCAL_CID _IO(7, 0xb9)
+/*IOCTL_VM_SOCKETS_GET_LOCAL_CID _IO(7, 0xb9)*/
#define IOCTL_VMCI_SET_NOTIFY _IO(7, 0xcb) /* 1995 */
/*IOCTL_VMMON_START _IO(7, 0xd1)*/ /* 2001 */
diff --git a/include/uapi/linux/ntsync.h b/include/uapi/linux/ntsync.h
index dcfa38fdc93c..6d06793512b1 100644
--- a/include/uapi/linux/ntsync.h
+++ b/include/uapi/linux/ntsync.h
@@ -11,13 +11,49 @@
#include <linux/types.h>
struct ntsync_sem_args {
- __u32 sem;
__u32 count;
__u32 max;
};
-#define NTSYNC_IOC_CREATE_SEM _IOWR('N', 0x80, struct ntsync_sem_args)
+struct ntsync_mutex_args {
+ __u32 owner;
+ __u32 count;
+};
+
+struct ntsync_event_args {
+ __u32 manual;
+ __u32 signaled;
+};
+
+#define NTSYNC_WAIT_REALTIME 0x1
+
+struct ntsync_wait_args {
+ __u64 timeout;
+ __u64 objs;
+ __u32 count;
+ __u32 index;
+ __u32 flags;
+ __u32 owner;
+ __u32 alert;
+ __u32 pad;
+};
+
+#define NTSYNC_MAX_WAIT_COUNT 64
+
+#define NTSYNC_IOC_CREATE_SEM _IOW ('N', 0x80, struct ntsync_sem_args)
+#define NTSYNC_IOC_WAIT_ANY _IOWR('N', 0x82, struct ntsync_wait_args)
+#define NTSYNC_IOC_WAIT_ALL _IOWR('N', 0x83, struct ntsync_wait_args)
+#define NTSYNC_IOC_CREATE_MUTEX _IOW ('N', 0x84, struct ntsync_mutex_args)
+#define NTSYNC_IOC_CREATE_EVENT _IOW ('N', 0x87, struct ntsync_event_args)
-#define NTSYNC_IOC_SEM_POST _IOWR('N', 0x81, __u32)
+#define NTSYNC_IOC_SEM_RELEASE _IOWR('N', 0x81, __u32)
+#define NTSYNC_IOC_MUTEX_UNLOCK _IOWR('N', 0x85, struct ntsync_mutex_args)
+#define NTSYNC_IOC_MUTEX_KILL _IOW ('N', 0x86, __u32)
+#define NTSYNC_IOC_EVENT_SET _IOR ('N', 0x88, __u32)
+#define NTSYNC_IOC_EVENT_RESET _IOR ('N', 0x89, __u32)
+#define NTSYNC_IOC_EVENT_PULSE _IOR ('N', 0x8a, __u32)
+#define NTSYNC_IOC_SEM_READ _IOR ('N', 0x8b, struct ntsync_sem_args)
+#define NTSYNC_IOC_MUTEX_READ _IOR ('N', 0x8c, struct ntsync_mutex_args)
+#define NTSYNC_IOC_EVENT_READ _IOR ('N', 0x8d, struct ntsync_event_args)
#endif
diff --git a/include/uapi/linux/pps_gen.h b/include/uapi/linux/pps_gen.h
new file mode 100644
index 000000000000..60a5d0fcfa68
--- /dev/null
+++ b/include/uapi/linux/pps_gen.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * PPS generator API header
+ *
+ * Copyright (C) 2024 Rodolfo Giometti <giometti@enneenne.com>
+ */
+
+#ifndef _PPS_GEN_H_
+#define _PPS_GEN_H_
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/**
+ * struct pps_gen_event - the PPS generator events
+ * @event: the event type
+ * @sequence: the event sequence number
+ *
+ * Userspace can get the last PPS generator event by using the
+ * ioctl(pps_gen, PPS_GEN_FETCHEVENT, ...) syscall.
+ * The sequence field can be used to save the last event ID, while in the
+ * event field is stored the last event type. Currently known event is:
+ *
+ * PPS_GEN_EVENT_MISSEDPULSE : last pulse was not generated
+ */
+struct pps_gen_event {
+ unsigned int event;
+ unsigned int sequence;
+};
+
+#define PPS_GEN_EVENT_MISSEDPULSE 1
+
+#define PPS_GEN_SETENABLE _IOW('p', 0xb1, unsigned int *)
+#define PPS_GEN_USESYSTEMCLOCK _IOR('p', 0xb2, unsigned int *)
+#define PPS_GEN_FETCHEVENT _IOR('p', 0xb3, struct pps_gen_event *)
+
+#endif /* _PPS_GEN_H_ */
generated by cgit v1.2.3 (git 2.39.0) at 2025-12-29 07:12:17 +0300