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43 lines
933 B
43 lines
933 B
3 years ago
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/* SPDX-License-Identifier: BSD-3-Clause */
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/*
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* Copyright (c) 2020, MIPI Alliance, Inc.
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*
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* Author: Nicolas Pitre <npitre@baylibre.com>
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*
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* Common IBI related stuff
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*/
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#ifndef IBI_H
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#define IBI_H
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/*
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* IBI Status Descriptor bits
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*/
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#define IBI_STS BIT(31)
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#define IBI_ERROR BIT(30)
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#define IBI_STATUS_TYPE BIT(29)
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#define IBI_HW_CONTEXT GENMASK(28, 26)
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#define IBI_TS BIT(25)
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#define IBI_LAST_STATUS BIT(24)
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#define IBI_CHUNKS GENMASK(23, 16)
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#define IBI_ID GENMASK(15, 8)
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#define IBI_TARGET_ADDR GENMASK(15, 9)
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#define IBI_TARGET_RNW BIT(8)
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#define IBI_DATA_LENGTH GENMASK(7, 0)
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/* handy helpers */
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static inline struct i3c_dev_desc *
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i3c_hci_addr_to_dev(struct i3c_hci *hci, unsigned int addr)
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{
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struct i3c_bus *bus = i3c_master_get_bus(&hci->master);
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struct i3c_dev_desc *dev;
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i3c_bus_for_each_i3cdev(bus, dev) {
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if (dev->info.dyn_addr == addr)
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return dev;
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}
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return NULL;
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}
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#endif
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