// SPDX-License-Identifier: GPL-2.0-only
/*
* FSI core driver
*
* Copyright (C) IBM Corporation 2016
*
* TODO:
* - Rework topology
* - s/chip_id/chip_loc
* - s/cfam/chip (cfam_id -> chip_id etc...)
*/
#include <linux/crc4.h>
#include <linux/device.h>
#include <linux/fsi.h>
#include <linux/idr.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#include <linux/cdev.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include "fsi-master.h"
#include "fsi-slave.h"
#define CREATE_TRACE_POINTS
#include <trace/events/fsi.h>
#define FSI_SLAVE_CONF_NEXT_MASK GENMASK(31, 31)
#define FSI_SLAVE_CONF_SLOTS_MASK GENMASK(23, 16)
#define FSI_SLAVE_CONF_SLOTS_SHIFT 16
#define FSI_SLAVE_CONF_VERSION_MASK GENMASK(15, 12)
#define FSI_SLAVE_CONF_VERSION_SHIFT 12
#define FSI_SLAVE_CONF_TYPE_MASK GENMASK(11, 4)
#define FSI_SLAVE_CONF_TYPE_SHIFT 4
#define FSI_SLAVE_CONF_CRC_SHIFT 4
#define FSI_SLAVE_CONF_CRC_MASK GENMASK(3, 0)
#define FSI_SLAVE_CONF_DATA_BITS 28
#define FSI_PEEK_BASE 0x410
static const int engine_page_size = 0x400;
#define FSI_SLAVE_BASE 0x800
/*
* FSI slave engine control register offsets
*/
#define FSI_SMODE 0x0 /* R/W: Mode register */
#define FSI_SISC 0x8 /* R/W: Interrupt condition */
#define FSI_SSTAT 0x14 /* R : Slave status */
#define FSI_SLBUS 0x30 /* W : LBUS Ownership */
#define FSI_LLMODE 0x100 /* R/W: Link layer mode
