iiconf.h (419f843fffd06af29c104330063fb6c22546ea28) iiconf.h (422d05da14fe063e5d187d81a328fa7b362d069f)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1998, 2001 Nicolas Souchu
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 33 unchanged lines hidden (view full) ---

42 * Options affecting iicbus_request_bus()
43 */
44#define IIC_DONTWAIT 0
45#define IIC_NOINTR 0
46#define IIC_WAIT 0x1
47#define IIC_INTR 0x2
48#define IIC_INTRWAIT (IIC_INTR | IIC_WAIT)
49#define IIC_RECURSIVE 0x4
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1998, 2001 Nicolas Souchu
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 33 unchanged lines hidden (view full) ---

42 * Options affecting iicbus_request_bus()
43 */
44#define IIC_DONTWAIT 0
45#define IIC_NOINTR 0
46#define IIC_WAIT 0x1
47#define IIC_INTR 0x2
48#define IIC_INTRWAIT (IIC_INTR | IIC_WAIT)
49#define IIC_RECURSIVE 0x4
50#define IIC_REQBUS_DEV 0x8 /* See struct iic_reqbus_data, below. */
50
51/*
51
52/*
53 * The original iicbus->bridge callback api took a pointer to an int containing
54 * flags. The new api allows a pointer to this struct, with IIC_REQBUS_DEV set
55 * in the flags to let the implementation know the pointer is actually to this
56 * struct which has the flags word first, followed by the device_t of the
57 * requesting bus and device.
58 *
59 * Note that the requesting device may not be a i2c slave device which is a
60 * child of the requested bus -- it may be a mux device which is electrically
61 * part of the bus hierarchy, but whose driver belongs to some other bus
62 * hierarchy such as gpio.
63 */
64struct iic_reqbus_data {
65 int flags; /* Flags from the set defined above. */
66 device_t bus; /* The iicbus being requested. */
67 device_t dev; /* The device requesting the bus. */
68};
69
70/*
52 * i2c modes
53 */
54#define IIC_MASTER 0x1
55#define IIC_SLAVE 0x2
56#define IIC_POLLED 0x4
57
58/*
59 * i2c speed

--- 105 unchanged lines hidden --- 		71 * i2c modes
72 */
73#define IIC_MASTER 0x1
74#define IIC_SLAVE 0x2
75#define IIC_POLLED 0x4
76
77/*
78 * i2c speed

--- 105 unchanged lines hidden ---