| /* 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 |
