summaryrefslogtreecommitdiff
path: root/include/linux/counter.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/counter.h')
-rw-r--r--include/linux/counter.h198
1 files changed, 175 insertions, 23 deletions
diff --git a/include/linux/counter.h b/include/linux/counter.h
index 1fe17f5adb09..f208e867dd0f 100644
--- a/include/linux/counter.h
+++ b/include/linux/counter.h
@@ -6,14 +6,15 @@
#ifndef _COUNTER_H_
#define _COUNTER_H_
+#include <linux/array_size.h>
#include <linux/cdev.h>
#include <linux/device.h>
-#include <linux/kernel.h>
#include <linux/kfifo.h>
#include <linux/mutex.h>
#include <linux/spinlock_types.h>
#include <linux/types.h>
#include <linux/wait.h>
+
#include <uapi/linux/counter.h>
struct counter_device;
@@ -31,6 +32,8 @@ enum counter_comp_type {
COUNTER_COMP_ENUM,
COUNTER_COMP_COUNT_DIRECTION,
COUNTER_COMP_COUNT_MODE,
+ COUNTER_COMP_SIGNAL_POLARITY,
+ COUNTER_COMP_ARRAY,
};
/**
@@ -38,66 +41,114 @@ enum counter_comp_type {
* @type: Counter component data type
* @name: device-specific component name
* @priv: component-relevant data
- * @action_read: Synapse action mode read callback. The read value of the
+ * @action_read: Synapse action mode read callback. The read value of the
* respective Synapse action mode should be passed back via
* the action parameter.
- * @device_u8_read: Device u8 component read callback. The read value of the
+ * @device_u8_read: Device u8 component read callback. The read value of the
* respective Device u8 component should be passed back via
* the val parameter.
- * @count_u8_read: Count u8 component read callback. The read value of the
+ * @count_u8_read: Count u8 component read callback. The read value of the
* respective Count u8 component should be passed back via
* the val parameter.
- * @signal_u8_read: Signal u8 component read callback. The read value of the
+ * @signal_u8_read: Signal u8 component read callback. The read value of the
* respective Signal u8 component should be passed back via
* the val parameter.
- * @device_u32_read: Device u32 component read callback. The read value of
+ * @device_u32_read: Device u32 component read callback. The read value of
* the respective Device u32 component should be passed
* back via the val parameter.
- * @count_u32_read: Count u32 component read callback. The read value of the
+ * @count_u32_read: Count u32 component read callback. The read value of the
* respective Count u32 component should be passed back via
* the val parameter.
- * @signal_u32_read: Signal u32 component read callback. The read value of
+ * @signal_u32_read: Signal u32 component read callback. The read value of
* the respective Signal u32 component should be passed
* back via the val parameter.
- * @device_u64_read: Device u64 component read callback. The read value of
+ * @device_u64_read: Device u64 component read callback. The read value of
* the respective Device u64 component should be passed
* back via the val parameter.
- * @count_u64_read: Count u64 component read callback. The read value of the
+ * @count_u64_read: Count u64 component read callback. The read value of the
* respective Count u64 component should be passed back via
* the val parameter.
- * @signal_u64_read: Signal u64 component read callback. The read value of
+ * @signal_u64_read: Signal u64 component read callback. The read value of
* the respective Signal u64 component should be passed
* back via the val parameter.
- * @action_write: Synapse action mode write callback. The write value of
+ * @signal_array_u32_read: Signal u32 array component read callback. The
+ * index of the respective Count u32 array
+ * component element is passed via the idx
+ * parameter. The read value of the respective
+ * Count u32 array component element should be
+ * passed back via the val parameter.
+ * @device_array_u64_read: Device u64 array component read callback. The
+ * index of the respective Device u64 array
+ * component element is passed via the idx
+ * parameter. The read value of the respective
+ * Device u64 array component element should be
+ * passed back via the val parameter.
+ * @count_array_u64_read: Count u64 array component read callback. The
+ * index of the respective Count u64 array
+ * component element is passed via the idx
+ * parameter. The read value of the respective
+ * Count u64 array component element should be
+ * passed back via the val parameter.
+ * @signal_array_u64_read: Signal u64 array component read callback. The
+ * index of the respective Count u64 array
+ * component element is passed via the idx
+ * parameter. The read value of the respective
+ * Count u64 array component element should be
+ * passed back via the val parameter.
+ * @action_write: Synapse action mode write callback. The write value of
* the respective Synapse action mode is passed via the
* action parameter.
- * @device_u8_write: Device u8 component write callback. The write value of
+ * @device_u8_write: Device u8 component write callback. The write value of
* the respective Device u8 component is passed via the val
* parameter.
- * @count_u8_write: Count u8 component write callback. The write value of
+ * @count_u8_write: Count u8 component write callback. The write value of
* the respective Count u8 component is passed via the val
* parameter.
- * @signal_u8_write: Signal u8 component write callback. The write value of
+ * @signal_u8_write: Signal u8 component write callback. The write value of
* the respective Signal u8 component is passed via the val
* parameter.
- * @device_u32_write: Device u32 component write callback. The write value of
+ * @device_u32_write: Device u32 component write callback. The write value of
* the respective Device u32 component is passed via the
* val parameter.
- * @count_u32_write: Count u32 component write callback. The write value of
+ * @count_u32_write: Count u32 component write callback. The write value of
* the respective Count u32 component is passed via the val
* parameter.
- * @signal_u32_write: Signal u32 component write callback. The write value of
+ * @signal_u32_write: Signal u32 component write callback. The write value of
* the respective Signal u32 component is passed via the
* val parameter.
- * @device_u64_write: Device u64 component write callback. The write value of
+ * @device_u64_write: Device u64 component write callback. The write value of
* the respective Device u64 component is passed via the
* val parameter.
- * @count_u64_write: Count u64 component write callback. The write value of
+ * @count_u64_write: Count u64 component write callback. The write value of
* the respective Count u64 component is passed via the val
* parameter.
- * @signal_u64_write: Signal u64 component write callback. The write value of
+ * @signal_u64_write: Signal u64 component write callback. The write value of
* the respective Signal u64 component is passed via the
* val parameter.
+ * @signal_array_u32_write: Signal u32 array component write callback. The
+ * index of the respective Signal u32 array
+ * component element is passed via the idx
+ * parameter. The write value of the respective
+ * Signal u32 array component element is passed via
+ * the val parameter.
+ * @device_array_u64_write: Device u64 array component write callback. The
+ * index of the respective Device u64 array
+ * component element is passed via the idx
+ * parameter. The write value of the respective
+ * Device u64 array component element is passed via
+ * the val parameter.
+ * @count_array_u64_write: Count u64 array component write callback. The
+ * index of the respective Count u64 array
+ * component element is passed via the idx
+ * parameter. The write value of the respective
+ * Count u64 array component element is passed via
+ * the val parameter.
+ * @signal_array_u64_write: Signal u64 array component write callback. The
+ * index of the respective Signal u64 array
+ * component element is passed via the idx
+ * parameter. The write value of the respective
+ * Signal u64 array component element is passed via
+ * the val parameter.
*/
struct counter_comp {
enum counter_comp_type type;
@@ -125,6 +176,17 @@ struct counter_comp {
struct counter_count *count, u64 *val);
int (*signal_u64_read)(struct counter_device *counter,
struct counter_signal *signal, u64 *val);
+ int (*signal_array_u32_read)(struct counter_device *counter,
+ struct counter_signal *signal,
+ size_t idx, u32 *val);
+ int (*device_array_u64_read)(struct counter_device *counter,
+ size_t idx, u64 *val);
+ int (*count_array_u64_read)(struct counter_device *counter,
+ struct counter_count *count,
+ size_t idx, u64 *val);
+ int (*signal_array_u64_read)(struct counter_device *counter,
+ struct counter_signal *signal,
+ size_t idx, u64 *val);
};
union {
int (*action_write)(struct counter_device *counter,
@@ -148,6 +210,17 @@ struct counter_comp {
struct counter_count *count, u64 val);
int (*signal_u64_write)(struct counter_device *counter,
struct counter_signal *signal, u64 val);
+ int (*signal_array_u32_write)(struct counter_device *counter,
+ struct counter_signal *signal,
+ size_t idx, u32 val);
+ int (*device_array_u64_write)(struct counter_device *counter,
+ size_t idx, u64 val);
+ int (*count_array_u64_write)(struct counter_device *counter,
+ struct counter_count *count,
+ size_t idx, u64 val);
+ int (*signal_array_u64_write)(struct counter_device *counter,
+ struct counter_signal *signal,
+ size_t idx, u64 val);
};
};
@@ -287,7 +360,6 @@ struct counter_ops {
* @num_counts: number of Counts specified in @counts
* @ext: optional array of Counter device extensions
* @num_ext: number of Counter device extensions specified in @ext
- * @priv: optional private data supplied by driver
* @dev: internal device structure
* @chrdev: internal character device structure
* @events_list: list of current watching Counter events
@@ -327,7 +399,7 @@ struct counter_device {
struct mutex ops_exist_lock;
};
-void *counter_priv(const struct counter_device *const counter);
+void *counter_priv(const struct counter_device *const counter) __attribute_const__;
struct counter_device *counter_alloc(size_t sizeof_priv);
void counter_put(struct counter_device *const counter);
@@ -452,9 +524,65 @@ struct counter_available {
.priv = &(_available), \
}
+struct counter_array {
+ enum counter_comp_type type;
+ const struct counter_available *avail;
+ union {
+ size_t length;
+ size_t idx;
+ };
+};
+
+#define DEFINE_COUNTER_ARRAY_U64(_name, _length) \
+ struct counter_array _name = { \
+ .type = COUNTER_COMP_U64, \
+ .length = (_length), \
+ }
+
+#define DEFINE_COUNTER_ARRAY_CAPTURE(_name, _length) \
+ DEFINE_COUNTER_ARRAY_U64(_name, _length)
+
+#define DEFINE_COUNTER_ARRAY_POLARITY(_name, _available, _length) \
+ struct counter_array _name = { \
+ .type = COUNTER_COMP_SIGNAL_POLARITY, \
+ .avail = &(_available), \
+ .length = (_length), \
+ }
+
+#define COUNTER_COMP_DEVICE_ARRAY_U64(_name, _read, _write, _array) \
+{ \
+ .type = COUNTER_COMP_ARRAY, \
+ .name = (_name), \
+ .device_array_u64_read = (_read), \
+ .device_array_u64_write = (_write), \
+ .priv = &(_array), \
+}
+#define COUNTER_COMP_COUNT_ARRAY_U64(_name, _read, _write, _array) \
+{ \
+ .type = COUNTER_COMP_ARRAY, \
+ .name = (_name), \
+ .count_array_u64_read = (_read), \
+ .count_array_u64_write = (_write), \
+ .priv = &(_array), \
+}
+#define COUNTER_COMP_SIGNAL_ARRAY_U64(_name, _read, _write, _array) \
+{ \
+ .type = COUNTER_COMP_ARRAY, \
+ .name = (_name), \
+ .signal_array_u64_read = (_read), \
+ .signal_array_u64_write = (_write), \
+ .priv = &(_array), \
+}
+
+#define COUNTER_COMP_CAPTURE(_read, _write) \
+ COUNTER_COMP_COUNT_U64("capture", _read, _write)
+
#define COUNTER_COMP_CEILING(_read, _write) \
COUNTER_COMP_COUNT_U64("ceiling", _read, _write)
+#define COUNTER_COMP_COMPARE(_read, _write) \
+ COUNTER_COMP_COUNT_U64("compare", _read, _write)
+
#define COUNTER_COMP_COUNT_MODE(_read, _write, _available) \
{ \
.type = COUNTER_COMP_COUNT_MODE, \
@@ -477,10 +605,34 @@ struct counter_available {
#define COUNTER_COMP_FLOOR(_read, _write) \
COUNTER_COMP_COUNT_U64("floor", _read, _write)
+#define COUNTER_COMP_FREQUENCY(_read) \
+ COUNTER_COMP_SIGNAL_U64("frequency", _read, NULL)
+
+#define COUNTER_COMP_POLARITY(_read, _write, _available) \
+{ \
+ .type = COUNTER_COMP_SIGNAL_POLARITY, \
+ .name = "polarity", \
+ .signal_u32_read = (_read), \
+ .signal_u32_write = (_write), \
+ .priv = &(_available), \
+}
+
#define COUNTER_COMP_PRESET(_read, _write) \
COUNTER_COMP_COUNT_U64("preset", _read, _write)
#define COUNTER_COMP_PRESET_ENABLE(_read, _write) \
COUNTER_COMP_COUNT_BOOL("preset_enable", _read, _write)
+#define COUNTER_COMP_ARRAY_CAPTURE(_read, _write, _array) \
+ COUNTER_COMP_COUNT_ARRAY_U64("capture", _read, _write, _array)
+
+#define COUNTER_COMP_ARRAY_POLARITY(_read, _write, _array) \
+{ \
+ .type = COUNTER_COMP_ARRAY, \
+ .name = "polarity", \
+ .signal_array_u32_read = (_read), \
+ .signal_array_u32_write = (_write), \
+ .priv = &(_array), \
+}
+
#endif /* _COUNTER_H_ */
generated by cgit (git 2.34.1) at 2025-12-25 19:22:16 +0000