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42 lines
933 B
42 lines
933 B
/* 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 <[email protected]> |
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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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