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