/* 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