xref: /linux-6.15/include/linux/counter.h (revision b5198201)
10040a390SWilliam Breathitt Gray /* SPDX-License-Identifier: GPL-2.0 */
20040a390SWilliam Breathitt Gray /*
30040a390SWilliam Breathitt Gray  * Counter interface
40040a390SWilliam Breathitt Gray  * Copyright (C) 2018 William Breathitt Gray
50040a390SWilliam Breathitt Gray  */
60040a390SWilliam Breathitt Gray #ifndef _COUNTER_H_
70040a390SWilliam Breathitt Gray #define _COUNTER_H_
80040a390SWilliam Breathitt Gray 
989d5d9e9SAndy Shevchenko #include <linux/array_size.h>
10b6c50affSWilliam Breathitt Gray #include <linux/cdev.h>
110040a390SWilliam Breathitt Gray #include <linux/device.h>
12b6c50affSWilliam Breathitt Gray #include <linux/kfifo.h>
13b6c50affSWilliam Breathitt Gray #include <linux/mutex.h>
14b6c50affSWilliam Breathitt Gray #include <linux/spinlock_types.h>
150040a390SWilliam Breathitt Gray #include <linux/types.h>
16b6c50affSWilliam Breathitt Gray #include <linux/wait.h>
1789d5d9e9SAndy Shevchenko 
18e65c26f4SWilliam Breathitt Gray #include <uapi/linux/counter.h>
190040a390SWilliam Breathitt Gray 
200040a390SWilliam Breathitt Gray struct counter_device;
21aaec1a0fSWilliam Breathitt Gray struct counter_count;
22aaec1a0fSWilliam Breathitt Gray struct counter_synapse;
230040a390SWilliam Breathitt Gray struct counter_signal;
240040a390SWilliam Breathitt Gray 
25aaec1a0fSWilliam Breathitt Gray enum counter_comp_type {
26aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_U8,
27aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_U64,
28aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_BOOL,
29aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_SIGNAL_LEVEL,
30aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_FUNCTION,
31aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_SYNAPSE_ACTION,
32aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_ENUM,
33aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_COUNT_DIRECTION,
34aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_COUNT_MODE,
35650ae67bSWilliam Breathitt Gray 	COUNTER_COMP_SIGNAL_POLARITY,
36d2011be1SWilliam Breathitt Gray 	COUNTER_COMP_ARRAY,
37aaec1a0fSWilliam Breathitt Gray };
38aaec1a0fSWilliam Breathitt Gray 
390040a390SWilliam Breathitt Gray /**
40aaec1a0fSWilliam Breathitt Gray  * struct counter_comp - Counter component node
41aaec1a0fSWilliam Breathitt Gray  * @type:		Counter component data type
42aaec1a0fSWilliam Breathitt Gray  * @name:		device-specific component name
43aaec1a0fSWilliam Breathitt Gray  * @priv:		component-relevant data
440032ca57SYanteng Si  * @action_read:	Synapse action mode read callback. The read value of the
45aaec1a0fSWilliam Breathitt Gray  *			respective Synapse action mode should be passed back via
46aaec1a0fSWilliam Breathitt Gray  *			the action parameter.
470032ca57SYanteng Si  * @device_u8_read:	Device u8 component read callback. The read value of the
48aaec1a0fSWilliam Breathitt Gray  *			respective Device u8 component should be passed back via
49aaec1a0fSWilliam Breathitt Gray  *			the val parameter.
500032ca57SYanteng Si  * @count_u8_read:	Count u8 component read callback. The read value of the
51aaec1a0fSWilliam Breathitt Gray  *			respective Count u8 component should be passed back via
52aaec1a0fSWilliam Breathitt Gray  *			the val parameter.
530032ca57SYanteng Si  * @signal_u8_read:	Signal u8 component read callback. The read value of the
54aaec1a0fSWilliam Breathitt Gray  *			respective Signal u8 component should be passed back via
55aaec1a0fSWilliam Breathitt Gray  *			the val parameter.
560032ca57SYanteng Si  * @device_u32_read:	Device u32 component read callback. The read value of
57aaec1a0fSWilliam Breathitt Gray  *			the respective Device u32 component should be passed
58aaec1a0fSWilliam Breathitt Gray  *			back via the val parameter.
590032ca57SYanteng Si  * @count_u32_read:	Count u32 component read callback. The read value of the
60aaec1a0fSWilliam Breathitt Gray  *			respective Count u32 component should be passed back via
61aaec1a0fSWilliam Breathitt Gray  *			the val parameter.
620032ca57SYanteng Si  * @signal_u32_read:	Signal u32 component read callback. The read value of
63aaec1a0fSWilliam Breathitt Gray  *			the respective Signal u32 component should be passed
64aaec1a0fSWilliam Breathitt Gray  *			back via the val parameter.
650032ca57SYanteng Si  * @device_u64_read:	Device u64 component read callback. The read value of
66aaec1a0fSWilliam Breathitt Gray  *			the respective Device u64 component should be passed
67aaec1a0fSWilliam Breathitt Gray  *			back via the val parameter.
680032ca57SYanteng Si  * @count_u64_read:	Count u64 component read callback. The read value of the
69aaec1a0fSWilliam Breathitt Gray  *			respective Count u64 component should be passed back via
70aaec1a0fSWilliam Breathitt Gray  *			the val parameter.
710032ca57SYanteng Si  * @signal_u64_read:	Signal u64 component read callback. The read value of
72aaec1a0fSWilliam Breathitt Gray  *			the respective Signal u64 component should be passed
73aaec1a0fSWilliam Breathitt Gray  *			back via the val parameter.
74d2011be1SWilliam Breathitt Gray  * @signal_array_u32_read:	Signal u32 array component read callback. The
75d2011be1SWilliam Breathitt Gray  *				index of the respective Count u32 array
76d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
77d2011be1SWilliam Breathitt Gray  *				parameter. The read value of the respective
78d2011be1SWilliam Breathitt Gray  *				Count u32 array component element should be
79d2011be1SWilliam Breathitt Gray  *				passed back via the val parameter.
80d2011be1SWilliam Breathitt Gray  * @device_array_u64_read:	Device u64 array component read callback. The
81d2011be1SWilliam Breathitt Gray  *				index of the respective Device u64 array
82d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
83d2011be1SWilliam Breathitt Gray  *				parameter. The read value of the respective
84d2011be1SWilliam Breathitt Gray  *				Device u64 array component element should be
85d2011be1SWilliam Breathitt Gray  *				passed back via the val parameter.
86d2011be1SWilliam Breathitt Gray  * @count_array_u64_read:	Count u64 array component read callback. The
87d2011be1SWilliam Breathitt Gray  *				index of the respective Count u64 array
88d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
89d2011be1SWilliam Breathitt Gray  *				parameter. The read value of the respective
90d2011be1SWilliam Breathitt Gray  *				Count u64 array component element should be
91d2011be1SWilliam Breathitt Gray  *				passed back via the val parameter.
92d2011be1SWilliam Breathitt Gray  * @signal_array_u64_read:	Signal u64 array component read callback. The
93d2011be1SWilliam Breathitt Gray  *				index of the respective Count u64 array
94d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
95d2011be1SWilliam Breathitt Gray  *				parameter. The read value of the respective
96d2011be1SWilliam Breathitt Gray  *				Count u64 array component element should be
97d2011be1SWilliam Breathitt Gray  *				passed back via the val parameter.
980032ca57SYanteng Si  * @action_write:	Synapse action mode write callback. The write value of
99aaec1a0fSWilliam Breathitt Gray  *			the respective Synapse action mode is passed via the
100aaec1a0fSWilliam Breathitt Gray  *			action parameter.
1010032ca57SYanteng Si  * @device_u8_write:	Device u8 component write callback. The write value of
102aaec1a0fSWilliam Breathitt Gray  *			the respective Device u8 component is passed via the val
103aaec1a0fSWilliam Breathitt Gray  *			parameter.
1040032ca57SYanteng Si  * @count_u8_write:	Count u8 component write callback. The write value of
105aaec1a0fSWilliam Breathitt Gray  *			the respective Count u8 component is passed via the val
106aaec1a0fSWilliam Breathitt Gray  *			parameter.
1070032ca57SYanteng Si  * @signal_u8_write:	Signal u8 component write callback. The write value of
108aaec1a0fSWilliam Breathitt Gray  *			the respective Signal u8 component is passed via the val
109aaec1a0fSWilliam Breathitt Gray  *			parameter.
1100032ca57SYanteng Si  * @device_u32_write:	Device u32 component write callback. The write value of
111aaec1a0fSWilliam Breathitt Gray  *			the respective Device u32 component is passed via the
112aaec1a0fSWilliam Breathitt Gray  *			val parameter.
1130032ca57SYanteng Si  * @count_u32_write:	Count u32 component write callback. The write value of
114aaec1a0fSWilliam Breathitt Gray  *			the respective Count u32 component is passed via the val
115aaec1a0fSWilliam Breathitt Gray  *			parameter.
1160032ca57SYanteng Si  * @signal_u32_write:	Signal u32 component write callback. The write value of
117aaec1a0fSWilliam Breathitt Gray  *			the respective Signal u32 component is passed via the
118aaec1a0fSWilliam Breathitt Gray  *			val parameter.
1190032ca57SYanteng Si  * @device_u64_write:	Device u64 component write callback. The write value of
120aaec1a0fSWilliam Breathitt Gray  *			the respective Device u64 component is passed via the
121aaec1a0fSWilliam Breathitt Gray  *			val parameter.
1220032ca57SYanteng Si  * @count_u64_write:	Count u64 component write callback. The write value of
123aaec1a0fSWilliam Breathitt Gray  *			the respective Count u64 component is passed via the val
124aaec1a0fSWilliam Breathitt Gray  *			parameter.
1250032ca57SYanteng Si  * @signal_u64_write:	Signal u64 component write callback. The write value of
126aaec1a0fSWilliam Breathitt Gray  *			the respective Signal u64 component is passed via the
127aaec1a0fSWilliam Breathitt Gray  *			val parameter.
128d2011be1SWilliam Breathitt Gray  * @signal_array_u32_write:	Signal u32 array component write callback. The
129d2011be1SWilliam Breathitt Gray  *				index of the respective Signal u32 array
130d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
131d2011be1SWilliam Breathitt Gray  *				parameter. The write value of the respective
132d2011be1SWilliam Breathitt Gray  *				Signal u32 array component element is passed via
133d2011be1SWilliam Breathitt Gray  *				the val parameter.
134d2011be1SWilliam Breathitt Gray  * @device_array_u64_write:	Device u64 array component write callback. The
135d2011be1SWilliam Breathitt Gray  *				index of the respective Device u64 array
136d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
137d2011be1SWilliam Breathitt Gray  *				parameter. The write value of the respective
138d2011be1SWilliam Breathitt Gray  *				Device u64 array component element is passed via
139d2011be1SWilliam Breathitt Gray  *				the val parameter.
140d2011be1SWilliam Breathitt Gray  * @count_array_u64_write:	Count u64 array component write callback. The
141d2011be1SWilliam Breathitt Gray  *				index of the respective Count u64 array
142d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
143d2011be1SWilliam Breathitt Gray  *				parameter. The write value of the respective
144d2011be1SWilliam Breathitt Gray  *				Count u64 array component element is passed via
145d2011be1SWilliam Breathitt Gray  *				the val parameter.
146d2011be1SWilliam Breathitt Gray  * @signal_array_u64_write:	Signal u64 array component write callback. The
147d2011be1SWilliam Breathitt Gray  *				index of the respective Signal u64 array
148d2011be1SWilliam Breathitt Gray  *				component element is passed via the idx
149d2011be1SWilliam Breathitt Gray  *				parameter. The write value of the respective
150d2011be1SWilliam Breathitt Gray  *				Signal u64 array component element is passed via
151d2011be1SWilliam Breathitt Gray  *				the val parameter.
1520040a390SWilliam Breathitt Gray  */
153aaec1a0fSWilliam Breathitt Gray struct counter_comp {
154aaec1a0fSWilliam Breathitt Gray 	enum counter_comp_type type;
1550040a390SWilliam Breathitt Gray 	const char *name;
1560040a390SWilliam Breathitt Gray 	void *priv;
157aaec1a0fSWilliam Breathitt Gray 	union {
158aaec1a0fSWilliam Breathitt Gray 		int (*action_read)(struct counter_device *counter,
159aaec1a0fSWilliam Breathitt Gray 				   struct counter_count *count,
160aaec1a0fSWilliam Breathitt Gray 				   struct counter_synapse *synapse,
161aaec1a0fSWilliam Breathitt Gray 				   enum counter_synapse_action *action);
162aaec1a0fSWilliam Breathitt Gray 		int (*device_u8_read)(struct counter_device *counter, u8 *val);
163aaec1a0fSWilliam Breathitt Gray 		int (*count_u8_read)(struct counter_device *counter,
164aaec1a0fSWilliam Breathitt Gray 				     struct counter_count *count, u8 *val);
165aaec1a0fSWilliam Breathitt Gray 		int (*signal_u8_read)(struct counter_device *counter,
166aaec1a0fSWilliam Breathitt Gray 				      struct counter_signal *signal, u8 *val);
167aaec1a0fSWilliam Breathitt Gray 		int (*device_u32_read)(struct counter_device *counter,
168aaec1a0fSWilliam Breathitt Gray 				       u32 *val);
169aaec1a0fSWilliam Breathitt Gray 		int (*count_u32_read)(struct counter_device *counter,
170aaec1a0fSWilliam Breathitt Gray 				      struct counter_count *count, u32 *val);
171aaec1a0fSWilliam Breathitt Gray 		int (*signal_u32_read)(struct counter_device *counter,
172aaec1a0fSWilliam Breathitt Gray 				       struct counter_signal *signal, u32 *val);
173aaec1a0fSWilliam Breathitt Gray 		int (*device_u64_read)(struct counter_device *counter,
174aaec1a0fSWilliam Breathitt Gray 				       u64 *val);
175aaec1a0fSWilliam Breathitt Gray 		int (*count_u64_read)(struct counter_device *counter,
176aaec1a0fSWilliam Breathitt Gray 				      struct counter_count *count, u64 *val);
177aaec1a0fSWilliam Breathitt Gray 		int (*signal_u64_read)(struct counter_device *counter,
178aaec1a0fSWilliam Breathitt Gray 				       struct counter_signal *signal, u64 *val);
179d2011be1SWilliam Breathitt Gray 		int (*signal_array_u32_read)(struct counter_device *counter,
180d2011be1SWilliam Breathitt Gray 					     struct counter_signal *signal,
181d2011be1SWilliam Breathitt Gray 					     size_t idx, u32 *val);
182d2011be1SWilliam Breathitt Gray 		int (*device_array_u64_read)(struct counter_device *counter,
183d2011be1SWilliam Breathitt Gray 					     size_t idx, u64 *val);
184d2011be1SWilliam Breathitt Gray 		int (*count_array_u64_read)(struct counter_device *counter,
185d2011be1SWilliam Breathitt Gray 					    struct counter_count *count,
186d2011be1SWilliam Breathitt Gray 					    size_t idx, u64 *val);
187d2011be1SWilliam Breathitt Gray 		int (*signal_array_u64_read)(struct counter_device *counter,
188d2011be1SWilliam Breathitt Gray 					     struct counter_signal *signal,
189d2011be1SWilliam Breathitt Gray 					     size_t idx, u64 *val);
190aaec1a0fSWilliam Breathitt Gray 	};
191aaec1a0fSWilliam Breathitt Gray 	union {
192aaec1a0fSWilliam Breathitt Gray 		int (*action_write)(struct counter_device *counter,
193aaec1a0fSWilliam Breathitt Gray 				    struct counter_count *count,
194aaec1a0fSWilliam Breathitt Gray 				    struct counter_synapse *synapse,
195aaec1a0fSWilliam Breathitt Gray 				    enum counter_synapse_action action);
196aaec1a0fSWilliam Breathitt Gray 		int (*device_u8_write)(struct counter_device *counter, u8 val);
197aaec1a0fSWilliam Breathitt Gray 		int (*count_u8_write)(struct counter_device *counter,
198aaec1a0fSWilliam Breathitt Gray 				      struct counter_count *count, u8 val);
199aaec1a0fSWilliam Breathitt Gray 		int (*signal_u8_write)(struct counter_device *counter,
200aaec1a0fSWilliam Breathitt Gray 				       struct counter_signal *signal, u8 val);
201aaec1a0fSWilliam Breathitt Gray 		int (*device_u32_write)(struct counter_device *counter,
202aaec1a0fSWilliam Breathitt Gray 					u32 val);
203aaec1a0fSWilliam Breathitt Gray 		int (*count_u32_write)(struct counter_device *counter,
204aaec1a0fSWilliam Breathitt Gray 				       struct counter_count *count, u32 val);
205aaec1a0fSWilliam Breathitt Gray 		int (*signal_u32_write)(struct counter_device *counter,
206aaec1a0fSWilliam Breathitt Gray 					struct counter_signal *signal, u32 val);
207aaec1a0fSWilliam Breathitt Gray 		int (*device_u64_write)(struct counter_device *counter,
208aaec1a0fSWilliam Breathitt Gray 					u64 val);
209aaec1a0fSWilliam Breathitt Gray 		int (*count_u64_write)(struct counter_device *counter,
210aaec1a0fSWilliam Breathitt Gray 				       struct counter_count *count, u64 val);
211aaec1a0fSWilliam Breathitt Gray 		int (*signal_u64_write)(struct counter_device *counter,
212aaec1a0fSWilliam Breathitt Gray 					struct counter_signal *signal, u64 val);
213d2011be1SWilliam Breathitt Gray 		int (*signal_array_u32_write)(struct counter_device *counter,
214d2011be1SWilliam Breathitt Gray 					      struct counter_signal *signal,
215d2011be1SWilliam Breathitt Gray 					      size_t idx, u32 val);
216d2011be1SWilliam Breathitt Gray 		int (*device_array_u64_write)(struct counter_device *counter,
217d2011be1SWilliam Breathitt Gray 					      size_t idx, u64 val);
218d2011be1SWilliam Breathitt Gray 		int (*count_array_u64_write)(struct counter_device *counter,
219d2011be1SWilliam Breathitt Gray 					     struct counter_count *count,
220d2011be1SWilliam Breathitt Gray 					     size_t idx, u64 val);
221d2011be1SWilliam Breathitt Gray 		int (*signal_array_u64_write)(struct counter_device *counter,
222d2011be1SWilliam Breathitt Gray 					      struct counter_signal *signal,
223d2011be1SWilliam Breathitt Gray 					      size_t idx, u64 val);
224aaec1a0fSWilliam Breathitt Gray 	};
2250040a390SWilliam Breathitt Gray };
2260040a390SWilliam Breathitt Gray 
2270040a390SWilliam Breathitt Gray /**
2280040a390SWilliam Breathitt Gray  * struct counter_signal - Counter Signal node
229712392f5SWilliam Breathitt Gray  * @id:		unique ID used to identify the Signal
230712392f5SWilliam Breathitt Gray  * @name:	device-specific Signal name
231712392f5SWilliam Breathitt Gray  * @ext:	optional array of Signal extensions
232712392f5SWilliam Breathitt Gray  * @num_ext:	number of Signal extensions specified in @ext
2330040a390SWilliam Breathitt Gray  */
2340040a390SWilliam Breathitt Gray struct counter_signal {
2350040a390SWilliam Breathitt Gray 	int id;
2360040a390SWilliam Breathitt Gray 	const char *name;
2370040a390SWilliam Breathitt Gray 
238aaec1a0fSWilliam Breathitt Gray 	struct counter_comp *ext;
2390040a390SWilliam Breathitt Gray 	size_t num_ext;
2400040a390SWilliam Breathitt Gray };
2410040a390SWilliam Breathitt Gray 
2420040a390SWilliam Breathitt Gray /**
2430040a390SWilliam Breathitt Gray  * struct counter_synapse - Counter Synapse node
2440040a390SWilliam Breathitt Gray  * @actions_list:	array of available action modes
2450040a390SWilliam Breathitt Gray  * @num_actions:	number of action modes specified in @actions_list
246712392f5SWilliam Breathitt Gray  * @signal:		pointer to the associated Signal
2470040a390SWilliam Breathitt Gray  */
2480040a390SWilliam Breathitt Gray struct counter_synapse {
2490040a390SWilliam Breathitt Gray 	const enum counter_synapse_action *actions_list;
2500040a390SWilliam Breathitt Gray 	size_t num_actions;
2510040a390SWilliam Breathitt Gray 
2520040a390SWilliam Breathitt Gray 	struct counter_signal *signal;
2530040a390SWilliam Breathitt Gray };
2540040a390SWilliam Breathitt Gray 
2550040a390SWilliam Breathitt Gray /**
2560040a390SWilliam Breathitt Gray  * struct counter_count - Counter Count node
257712392f5SWilliam Breathitt Gray  * @id:			unique ID used to identify the Count
258712392f5SWilliam Breathitt Gray  * @name:		device-specific Count name
259712392f5SWilliam Breathitt Gray  * @functions_list:	array of available function modes
2600040a390SWilliam Breathitt Gray  * @num_functions:	number of function modes specified in @functions_list
261712392f5SWilliam Breathitt Gray  * @synapses:		array of Synapses for initialization
262712392f5SWilliam Breathitt Gray  * @num_synapses:	number of Synapses specified in @synapses
263712392f5SWilliam Breathitt Gray  * @ext:		optional array of Count extensions
264712392f5SWilliam Breathitt Gray  * @num_ext:		number of Count extensions specified in @ext
2650040a390SWilliam Breathitt Gray  */
2660040a390SWilliam Breathitt Gray struct counter_count {
2670040a390SWilliam Breathitt Gray 	int id;
2680040a390SWilliam Breathitt Gray 	const char *name;
2690040a390SWilliam Breathitt Gray 
270394a0150SWilliam Breathitt Gray 	const enum counter_function *functions_list;
2710040a390SWilliam Breathitt Gray 	size_t num_functions;
2720040a390SWilliam Breathitt Gray 
2730040a390SWilliam Breathitt Gray 	struct counter_synapse *synapses;
2740040a390SWilliam Breathitt Gray 	size_t num_synapses;
2750040a390SWilliam Breathitt Gray 
276aaec1a0fSWilliam Breathitt Gray 	struct counter_comp *ext;
2770040a390SWilliam Breathitt Gray 	size_t num_ext;
2780040a390SWilliam Breathitt Gray };
2790040a390SWilliam Breathitt Gray 
2800040a390SWilliam Breathitt Gray /**
281b6c50affSWilliam Breathitt Gray  * struct counter_event_node - Counter Event node
282b6c50affSWilliam Breathitt Gray  * @l:		list of current watching Counter events
283b6c50affSWilliam Breathitt Gray  * @event:	event that triggers
284b6c50affSWilliam Breathitt Gray  * @channel:	event channel
285b6c50affSWilliam Breathitt Gray  * @comp_list:	list of components to watch when event triggers
286b6c50affSWilliam Breathitt Gray  */
287b6c50affSWilliam Breathitt Gray struct counter_event_node {
288b6c50affSWilliam Breathitt Gray 	struct list_head l;
289b6c50affSWilliam Breathitt Gray 	u8 event;
290b6c50affSWilliam Breathitt Gray 	u8 channel;
291b6c50affSWilliam Breathitt Gray 	struct list_head comp_list;
292b6c50affSWilliam Breathitt Gray };
293b6c50affSWilliam Breathitt Gray 
294b6c50affSWilliam Breathitt Gray /**
2950040a390SWilliam Breathitt Gray  * struct counter_ops - Callbacks from driver
296712392f5SWilliam Breathitt Gray  * @signal_read:	optional read callback for Signals. The read level of
297712392f5SWilliam Breathitt Gray  *			the respective Signal should be passed back via the
298712392f5SWilliam Breathitt Gray  *			level parameter.
299712392f5SWilliam Breathitt Gray  * @count_read:		read callback for Counts. The read value of the
300712392f5SWilliam Breathitt Gray  *			respective Count should be passed back via the value
301712392f5SWilliam Breathitt Gray  *			parameter.
302712392f5SWilliam Breathitt Gray  * @count_write:	optional write callback for Counts. The write value for
303712392f5SWilliam Breathitt Gray  *			the respective Count is passed in via the value
304d49e6ee2SWilliam Breathitt Gray  *			parameter.
305aaec1a0fSWilliam Breathitt Gray  * @function_read:	read callback the Count function modes. The read
306aaec1a0fSWilliam Breathitt Gray  *			function mode of the respective Count should be passed
307aaec1a0fSWilliam Breathitt Gray  *			back via the function parameter.
308712392f5SWilliam Breathitt Gray  * @function_write:	optional write callback for Count function modes. The
309712392f5SWilliam Breathitt Gray  *			function mode to write for the respective Count is
310712392f5SWilliam Breathitt Gray  *			passed in via the function parameter.
311712392f5SWilliam Breathitt Gray  * @action_read:	optional read callback the Synapse action modes. The
312712392f5SWilliam Breathitt Gray  *			read action mode of the respective Synapse should be
313712392f5SWilliam Breathitt Gray  *			passed back via the action parameter.
314712392f5SWilliam Breathitt Gray  * @action_write:	optional write callback for Synapse action modes. The
315712392f5SWilliam Breathitt Gray  *			action mode to write for the respective Synapse is
316712392f5SWilliam Breathitt Gray  *			passed in via the action parameter.
317b6c50affSWilliam Breathitt Gray  * @events_configure:	optional write callback to configure events. The list of
318b6c50affSWilliam Breathitt Gray  *			struct counter_event_node may be accessed via the
319b6c50affSWilliam Breathitt Gray  *			events_list member of the counter parameter.
320b6c50affSWilliam Breathitt Gray  * @watch_validate:	optional callback to validate a watch. The Counter
321b6c50affSWilliam Breathitt Gray  *			component watch configuration is passed in via the watch
322b6c50affSWilliam Breathitt Gray  *			parameter. A return value of 0 indicates a valid Counter
323b6c50affSWilliam Breathitt Gray  *			component watch configuration.
3240040a390SWilliam Breathitt Gray  */
3250040a390SWilliam Breathitt Gray struct counter_ops {
3260040a390SWilliam Breathitt Gray 	int (*signal_read)(struct counter_device *counter,
3270040a390SWilliam Breathitt Gray 			   struct counter_signal *signal,
328493b938aSWilliam Breathitt Gray 			   enum counter_signal_level *level);
3290040a390SWilliam Breathitt Gray 	int (*count_read)(struct counter_device *counter,
330aaec1a0fSWilliam Breathitt Gray 			  struct counter_count *count, u64 *value);
3310040a390SWilliam Breathitt Gray 	int (*count_write)(struct counter_device *counter,
332aaec1a0fSWilliam Breathitt Gray 			   struct counter_count *count, u64 value);
333aaec1a0fSWilliam Breathitt Gray 	int (*function_read)(struct counter_device *counter,
3340040a390SWilliam Breathitt Gray 			     struct counter_count *count,
335aaec1a0fSWilliam Breathitt Gray 			     enum counter_function *function);
336aaec1a0fSWilliam Breathitt Gray 	int (*function_write)(struct counter_device *counter,
3370040a390SWilliam Breathitt Gray 			      struct counter_count *count,
338aaec1a0fSWilliam Breathitt Gray 			      enum counter_function function);
339aaec1a0fSWilliam Breathitt Gray 	int (*action_read)(struct counter_device *counter,
340aaec1a0fSWilliam Breathitt Gray 			   struct counter_count *count,
341aaec1a0fSWilliam Breathitt Gray 			   struct counter_synapse *synapse,
342aaec1a0fSWilliam Breathitt Gray 			   enum counter_synapse_action *action);
343aaec1a0fSWilliam Breathitt Gray 	int (*action_write)(struct counter_device *counter,
344aaec1a0fSWilliam Breathitt Gray 			    struct counter_count *count,
345aaec1a0fSWilliam Breathitt Gray 			    struct counter_synapse *synapse,
346aaec1a0fSWilliam Breathitt Gray 			    enum counter_synapse_action action);
347b6c50affSWilliam Breathitt Gray 	int (*events_configure)(struct counter_device *counter);
348b6c50affSWilliam Breathitt Gray 	int (*watch_validate)(struct counter_device *counter,
349b6c50affSWilliam Breathitt Gray 			      const struct counter_watch *watch);
3500040a390SWilliam Breathitt Gray };
3510040a390SWilliam Breathitt Gray 
3520040a390SWilliam Breathitt Gray /**
3530040a390SWilliam Breathitt Gray  * struct counter_device - Counter data structure
354712392f5SWilliam Breathitt Gray  * @name:		name of the device
3550040a390SWilliam Breathitt Gray  * @parent:		optional parent device providing the counters
3560040a390SWilliam Breathitt Gray  * @ops:		callbacks from driver
3570040a390SWilliam Breathitt Gray  * @signals:		array of Signals
3580040a390SWilliam Breathitt Gray  * @num_signals:	number of Signals specified in @signals
3590040a390SWilliam Breathitt Gray  * @counts:		array of Counts
3600040a390SWilliam Breathitt Gray  * @num_counts:		number of Counts specified in @counts
3610040a390SWilliam Breathitt Gray  * @ext:		optional array of Counter device extensions
3620040a390SWilliam Breathitt Gray  * @num_ext:		number of Counter device extensions specified in @ext
363aaec1a0fSWilliam Breathitt Gray  * @dev:		internal device structure
364b6c50affSWilliam Breathitt Gray  * @chrdev:		internal character device structure
365b6c50affSWilliam Breathitt Gray  * @events_list:	list of current watching Counter events
366b6c50affSWilliam Breathitt Gray  * @events_list_lock:	lock to protect Counter events list operations
367b6c50affSWilliam Breathitt Gray  * @next_events_list:	list of next watching Counter events
368b6c50affSWilliam Breathitt Gray  * @n_events_list_lock:	lock to protect Counter next events list operations
369b6c50affSWilliam Breathitt Gray  * @events:		queue of detected Counter events
370b6c50affSWilliam Breathitt Gray  * @events_wait:	wait queue to allow blocking reads of Counter events
3718ac33b8bSWilliam Breathitt Gray  * @events_in_lock:	lock to protect Counter events queue in operations
3728ac33b8bSWilliam Breathitt Gray  * @events_out_lock:	lock to protect Counter events queue out operations
373b6c50affSWilliam Breathitt Gray  * @ops_exist_lock:	lock to prevent use during removal
3740040a390SWilliam Breathitt Gray  */
3750040a390SWilliam Breathitt Gray struct counter_device {
3760040a390SWilliam Breathitt Gray 	const char *name;
3770040a390SWilliam Breathitt Gray 	struct device *parent;
3780040a390SWilliam Breathitt Gray 
3790040a390SWilliam Breathitt Gray 	const struct counter_ops *ops;
3800040a390SWilliam Breathitt Gray 
3810040a390SWilliam Breathitt Gray 	struct counter_signal *signals;
3820040a390SWilliam Breathitt Gray 	size_t num_signals;
3830040a390SWilliam Breathitt Gray 	struct counter_count *counts;
3840040a390SWilliam Breathitt Gray 	size_t num_counts;
3850040a390SWilliam Breathitt Gray 
386aaec1a0fSWilliam Breathitt Gray 	struct counter_comp *ext;
3870040a390SWilliam Breathitt Gray 	size_t num_ext;
3880040a390SWilliam Breathitt Gray 
389aaec1a0fSWilliam Breathitt Gray 	struct device dev;
390b6c50affSWilliam Breathitt Gray 	struct cdev chrdev;
391b6c50affSWilliam Breathitt Gray 	struct list_head events_list;
392b6c50affSWilliam Breathitt Gray 	spinlock_t events_list_lock;
393b6c50affSWilliam Breathitt Gray 	struct list_head next_events_list;
394b6c50affSWilliam Breathitt Gray 	struct mutex n_events_list_lock;
395b6c50affSWilliam Breathitt Gray 	DECLARE_KFIFO_PTR(events, struct counter_event);
396b6c50affSWilliam Breathitt Gray 	wait_queue_head_t events_wait;
3978ac33b8bSWilliam Breathitt Gray 	spinlock_t events_in_lock;
3988ac33b8bSWilliam Breathitt Gray 	struct mutex events_out_lock;
399b6c50affSWilliam Breathitt Gray 	struct mutex ops_exist_lock;
4000040a390SWilliam Breathitt Gray };
4010040a390SWilliam Breathitt Gray 
40283bc0982SUwe Kleine-König void *counter_priv(const struct counter_device *const counter) __attribute_const__;
4035207fb2fSUwe Kleine-König 
404c18e2760SUwe Kleine-König struct counter_device *counter_alloc(size_t sizeof_priv);
405c18e2760SUwe Kleine-König void counter_put(struct counter_device *const counter);
406c18e2760SUwe Kleine-König int counter_add(struct counter_device *const counter);
407c18e2760SUwe Kleine-König 
4080040a390SWilliam Breathitt Gray void counter_unregister(struct counter_device *const counter);
409c18e2760SUwe Kleine-König struct counter_device *devm_counter_alloc(struct device *dev,
410c18e2760SUwe Kleine-König 					  size_t sizeof_priv);
411c18e2760SUwe Kleine-König int devm_counter_add(struct device *dev,
412c18e2760SUwe Kleine-König 		     struct counter_device *const counter);
413b6c50affSWilliam Breathitt Gray void counter_push_event(struct counter_device *const counter, const u8 event,
414b6c50affSWilliam Breathitt Gray 			const u8 channel);
415aaec1a0fSWilliam Breathitt Gray 
416aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_DEVICE_U8(_name, _read, _write) \
417aaec1a0fSWilliam Breathitt Gray { \
418aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_U8, \
419aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
420aaec1a0fSWilliam Breathitt Gray 	.device_u8_read = (_read), \
421aaec1a0fSWilliam Breathitt Gray 	.device_u8_write = (_write), \
422aaec1a0fSWilliam Breathitt Gray }
423aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_COUNT_U8(_name, _read, _write) \
424aaec1a0fSWilliam Breathitt Gray { \
425aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_U8, \
426aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
427aaec1a0fSWilliam Breathitt Gray 	.count_u8_read = (_read), \
428aaec1a0fSWilliam Breathitt Gray 	.count_u8_write = (_write), \
429aaec1a0fSWilliam Breathitt Gray }
430aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_SIGNAL_U8(_name, _read, _write) \
431aaec1a0fSWilliam Breathitt Gray { \
432aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_U8, \
433aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
434aaec1a0fSWilliam Breathitt Gray 	.signal_u8_read = (_read), \
435aaec1a0fSWilliam Breathitt Gray 	.signal_u8_write = (_write), \
436aaec1a0fSWilliam Breathitt Gray }
437aaec1a0fSWilliam Breathitt Gray 
438aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_DEVICE_U64(_name, _read, _write) \
439aaec1a0fSWilliam Breathitt Gray { \
440aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_U64, \
441aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
442aaec1a0fSWilliam Breathitt Gray 	.device_u64_read = (_read), \
443aaec1a0fSWilliam Breathitt Gray 	.device_u64_write = (_write), \
444aaec1a0fSWilliam Breathitt Gray }
445aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_COUNT_U64(_name, _read, _write) \
446aaec1a0fSWilliam Breathitt Gray { \
447aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_U64, \
448aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
449aaec1a0fSWilliam Breathitt Gray 	.count_u64_read = (_read), \
450aaec1a0fSWilliam Breathitt Gray 	.count_u64_write = (_write), \
451aaec1a0fSWilliam Breathitt Gray }
452aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_SIGNAL_U64(_name, _read, _write) \
453aaec1a0fSWilliam Breathitt Gray { \
454aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_U64, \
455aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
456aaec1a0fSWilliam Breathitt Gray 	.signal_u64_read = (_read), \
457aaec1a0fSWilliam Breathitt Gray 	.signal_u64_write = (_write), \
458aaec1a0fSWilliam Breathitt Gray }
459aaec1a0fSWilliam Breathitt Gray 
460aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_DEVICE_BOOL(_name, _read, _write) \
461aaec1a0fSWilliam Breathitt Gray { \
462aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_BOOL, \
463aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
464aaec1a0fSWilliam Breathitt Gray 	.device_u8_read = (_read), \
465aaec1a0fSWilliam Breathitt Gray 	.device_u8_write = (_write), \
466aaec1a0fSWilliam Breathitt Gray }
467aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_COUNT_BOOL(_name, _read, _write) \
468aaec1a0fSWilliam Breathitt Gray { \
469aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_BOOL, \
470aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
471aaec1a0fSWilliam Breathitt Gray 	.count_u8_read = (_read), \
472aaec1a0fSWilliam Breathitt Gray 	.count_u8_write = (_write), \
473aaec1a0fSWilliam Breathitt Gray }
474aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_SIGNAL_BOOL(_name, _read, _write) \
475aaec1a0fSWilliam Breathitt Gray { \
476aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_BOOL, \
477aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
478aaec1a0fSWilliam Breathitt Gray 	.signal_u8_read = (_read), \
479aaec1a0fSWilliam Breathitt Gray 	.signal_u8_write = (_write), \
480aaec1a0fSWilliam Breathitt Gray }
481aaec1a0fSWilliam Breathitt Gray 
482aaec1a0fSWilliam Breathitt Gray struct counter_available {
483aaec1a0fSWilliam Breathitt Gray 	union {
484aaec1a0fSWilliam Breathitt Gray 		const u32 *enums;
485aaec1a0fSWilliam Breathitt Gray 		const char *const *strs;
486aaec1a0fSWilliam Breathitt Gray 	};
487aaec1a0fSWilliam Breathitt Gray 	size_t num_items;
488aaec1a0fSWilliam Breathitt Gray };
489aaec1a0fSWilliam Breathitt Gray 
490aaec1a0fSWilliam Breathitt Gray #define DEFINE_COUNTER_AVAILABLE(_name, _enums) \
491aaec1a0fSWilliam Breathitt Gray 	struct counter_available _name = { \
492aaec1a0fSWilliam Breathitt Gray 		.enums = (_enums), \
493aaec1a0fSWilliam Breathitt Gray 		.num_items = ARRAY_SIZE(_enums), \
494aaec1a0fSWilliam Breathitt Gray 	}
495aaec1a0fSWilliam Breathitt Gray 
496aaec1a0fSWilliam Breathitt Gray #define DEFINE_COUNTER_ENUM(_name, _strs) \
497aaec1a0fSWilliam Breathitt Gray 	struct counter_available _name = { \
498aaec1a0fSWilliam Breathitt Gray 		.strs = (_strs), \
499aaec1a0fSWilliam Breathitt Gray 		.num_items = ARRAY_SIZE(_strs), \
500aaec1a0fSWilliam Breathitt Gray 	}
501aaec1a0fSWilliam Breathitt Gray 
502aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_DEVICE_ENUM(_name, _get, _set, _available) \
503aaec1a0fSWilliam Breathitt Gray { \
504aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_ENUM, \
505aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
506aaec1a0fSWilliam Breathitt Gray 	.device_u32_read = (_get), \
507aaec1a0fSWilliam Breathitt Gray 	.device_u32_write = (_set), \
508aaec1a0fSWilliam Breathitt Gray 	.priv = &(_available), \
509aaec1a0fSWilliam Breathitt Gray }
510aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_COUNT_ENUM(_name, _get, _set, _available) \
511aaec1a0fSWilliam Breathitt Gray { \
512aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_ENUM, \
513aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
514aaec1a0fSWilliam Breathitt Gray 	.count_u32_read = (_get), \
515aaec1a0fSWilliam Breathitt Gray 	.count_u32_write = (_set), \
516aaec1a0fSWilliam Breathitt Gray 	.priv = &(_available), \
517aaec1a0fSWilliam Breathitt Gray }
518aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_SIGNAL_ENUM(_name, _get, _set, _available) \
519aaec1a0fSWilliam Breathitt Gray { \
520aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_ENUM, \
521aaec1a0fSWilliam Breathitt Gray 	.name = (_name), \
522aaec1a0fSWilliam Breathitt Gray 	.signal_u32_read = (_get), \
523aaec1a0fSWilliam Breathitt Gray 	.signal_u32_write = (_set), \
524aaec1a0fSWilliam Breathitt Gray 	.priv = &(_available), \
525aaec1a0fSWilliam Breathitt Gray }
526aaec1a0fSWilliam Breathitt Gray 
527d2011be1SWilliam Breathitt Gray struct counter_array {
528d2011be1SWilliam Breathitt Gray 	enum counter_comp_type type;
529d2011be1SWilliam Breathitt Gray 	const struct counter_available *avail;
530d2011be1SWilliam Breathitt Gray 	union {
531d2011be1SWilliam Breathitt Gray 		size_t length;
532d2011be1SWilliam Breathitt Gray 		size_t idx;
533d2011be1SWilliam Breathitt Gray 	};
534d2011be1SWilliam Breathitt Gray };
535d2011be1SWilliam Breathitt Gray 
536d2011be1SWilliam Breathitt Gray #define DEFINE_COUNTER_ARRAY_U64(_name, _length) \
537d2011be1SWilliam Breathitt Gray 	struct counter_array _name = { \
538d2011be1SWilliam Breathitt Gray 		.type = COUNTER_COMP_U64, \
539d2011be1SWilliam Breathitt Gray 		.length = (_length), \
540d2011be1SWilliam Breathitt Gray 	}
541d2011be1SWilliam Breathitt Gray 
542d2011be1SWilliam Breathitt Gray #define DEFINE_COUNTER_ARRAY_CAPTURE(_name, _length) \
543d2011be1SWilliam Breathitt Gray 	DEFINE_COUNTER_ARRAY_U64(_name, _length)
544d2011be1SWilliam Breathitt Gray 
545472a1482SWilliam Breathitt Gray #define DEFINE_COUNTER_ARRAY_POLARITY(_name, _available, _length) \
546d2011be1SWilliam Breathitt Gray 	struct counter_array _name = { \
547d2011be1SWilliam Breathitt Gray 		.type = COUNTER_COMP_SIGNAL_POLARITY, \
548472a1482SWilliam Breathitt Gray 		.avail = &(_available), \
549d2011be1SWilliam Breathitt Gray 		.length = (_length), \
550d2011be1SWilliam Breathitt Gray 	}
551d2011be1SWilliam Breathitt Gray 
552d2011be1SWilliam Breathitt Gray #define COUNTER_COMP_DEVICE_ARRAY_U64(_name, _read, _write, _array) \
553d2011be1SWilliam Breathitt Gray { \
554d2011be1SWilliam Breathitt Gray 	.type = COUNTER_COMP_ARRAY, \
555d2011be1SWilliam Breathitt Gray 	.name = (_name), \
556d2011be1SWilliam Breathitt Gray 	.device_array_u64_read = (_read), \
557d2011be1SWilliam Breathitt Gray 	.device_array_u64_write = (_write), \
558d2011be1SWilliam Breathitt Gray 	.priv = &(_array), \
559d2011be1SWilliam Breathitt Gray }
560d2011be1SWilliam Breathitt Gray #define COUNTER_COMP_COUNT_ARRAY_U64(_name, _read, _write, _array) \
561d2011be1SWilliam Breathitt Gray { \
562d2011be1SWilliam Breathitt Gray 	.type = COUNTER_COMP_ARRAY, \
563d2011be1SWilliam Breathitt Gray 	.name = (_name), \
564d2011be1SWilliam Breathitt Gray 	.count_array_u64_read = (_read), \
565d2011be1SWilliam Breathitt Gray 	.count_array_u64_write = (_write), \
566d2011be1SWilliam Breathitt Gray 	.priv = &(_array), \
567d2011be1SWilliam Breathitt Gray }
568d2011be1SWilliam Breathitt Gray #define COUNTER_COMP_SIGNAL_ARRAY_U64(_name, _read, _write, _array) \
569d2011be1SWilliam Breathitt Gray { \
570d2011be1SWilliam Breathitt Gray 	.type = COUNTER_COMP_ARRAY, \
571d2011be1SWilliam Breathitt Gray 	.name = (_name), \
572d2011be1SWilliam Breathitt Gray 	.signal_array_u64_read = (_read), \
573d2011be1SWilliam Breathitt Gray 	.signal_array_u64_write = (_write), \
574d2011be1SWilliam Breathitt Gray 	.priv = &(_array), \
575d2011be1SWilliam Breathitt Gray }
576d2011be1SWilliam Breathitt Gray 
57745d29185SWilliam Breathitt Gray #define COUNTER_COMP_CAPTURE(_read, _write) \
57845d29185SWilliam Breathitt Gray 	COUNTER_COMP_COUNT_U64("capture", _read, _write)
57945d29185SWilliam Breathitt Gray 
580aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_CEILING(_read, _write) \
581aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_COUNT_U64("ceiling", _read, _write)
582aaec1a0fSWilliam Breathitt Gray 
583*b5198201SWilliam Breathitt Gray #define COUNTER_COMP_COMPARE(_read, _write) \
584*b5198201SWilliam Breathitt Gray 	COUNTER_COMP_COUNT_U64("compare", _read, _write)
585*b5198201SWilliam Breathitt Gray 
586aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_COUNT_MODE(_read, _write, _available) \
587aaec1a0fSWilliam Breathitt Gray { \
588aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_COUNT_MODE, \
589aaec1a0fSWilliam Breathitt Gray 	.name = "count_mode", \
590aaec1a0fSWilliam Breathitt Gray 	.count_u32_read = (_read), \
591aaec1a0fSWilliam Breathitt Gray 	.count_u32_write = (_write), \
592aaec1a0fSWilliam Breathitt Gray 	.priv = &(_available), \
593aaec1a0fSWilliam Breathitt Gray }
594aaec1a0fSWilliam Breathitt Gray 
595aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_DIRECTION(_read) \
596aaec1a0fSWilliam Breathitt Gray { \
597aaec1a0fSWilliam Breathitt Gray 	.type = COUNTER_COMP_COUNT_DIRECTION, \
598aaec1a0fSWilliam Breathitt Gray 	.name = "direction", \
599aaec1a0fSWilliam Breathitt Gray 	.count_u32_read = (_read), \
600aaec1a0fSWilliam Breathitt Gray }
601aaec1a0fSWilliam Breathitt Gray 
602aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_ENABLE(_read, _write) \
603aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_COUNT_BOOL("enable", _read, _write)
604aaec1a0fSWilliam Breathitt Gray 
605aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_FLOOR(_read, _write) \
606aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_COUNT_U64("floor", _read, _write)
607aaec1a0fSWilliam Breathitt Gray 
6082f48aba3SFabrice Gasnier #define COUNTER_COMP_FREQUENCY(_read) \
6092f48aba3SFabrice Gasnier 	COUNTER_COMP_SIGNAL_U64("frequency", _read, NULL)
6102f48aba3SFabrice Gasnier 
611650ae67bSWilliam Breathitt Gray #define COUNTER_COMP_POLARITY(_read, _write, _available) \
612650ae67bSWilliam Breathitt Gray { \
613650ae67bSWilliam Breathitt Gray 	.type = COUNTER_COMP_SIGNAL_POLARITY, \
614650ae67bSWilliam Breathitt Gray 	.name = "polarity", \
615650ae67bSWilliam Breathitt Gray 	.signal_u32_read = (_read), \
616650ae67bSWilliam Breathitt Gray 	.signal_u32_write = (_write), \
617650ae67bSWilliam Breathitt Gray 	.priv = &(_available), \
618650ae67bSWilliam Breathitt Gray }
619650ae67bSWilliam Breathitt Gray 
620aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_PRESET(_read, _write) \
621aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_COUNT_U64("preset", _read, _write)
622aaec1a0fSWilliam Breathitt Gray 
623aaec1a0fSWilliam Breathitt Gray #define COUNTER_COMP_PRESET_ENABLE(_read, _write) \
624aaec1a0fSWilliam Breathitt Gray 	COUNTER_COMP_COUNT_BOOL("preset_enable", _read, _write)
6250040a390SWilliam Breathitt Gray 
626d2011be1SWilliam Breathitt Gray #define COUNTER_COMP_ARRAY_CAPTURE(_read, _write, _array) \
627d2011be1SWilliam Breathitt Gray 	COUNTER_COMP_COUNT_ARRAY_U64("capture", _read, _write, _array)
628d2011be1SWilliam Breathitt Gray 
629d2011be1SWilliam Breathitt Gray #define COUNTER_COMP_ARRAY_POLARITY(_read, _write, _array) \
630d2011be1SWilliam Breathitt Gray { \
631d2011be1SWilliam Breathitt Gray 	.type = COUNTER_COMP_ARRAY, \
632d2011be1SWilliam Breathitt Gray 	.name = "polarity", \
633d2011be1SWilliam Breathitt Gray 	.signal_array_u32_read = (_read), \
634d2011be1SWilliam Breathitt Gray 	.signal_array_u32_write = (_write), \
635d2011be1SWilliam Breathitt Gray 	.priv = &(_array), \
636d2011be1SWilliam Breathitt Gray }
637d2011be1SWilliam Breathitt Gray 
6380040a390SWilliam Breathitt Gray #endif /* _COUNTER_H_ */
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