/* $NetBSD: lpssreg.h,v 1.1 2017/12/10 17:12:54 bouyer Exp $ */

/*-
 * Copyright (c) 2017 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Manuel Bouyer.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/* LPSS registers, as found in several functions of Ivy Lake bridge */
#define LPSS_RESET      0x204
#define LPSS_RESET_DMA          __BIT(2)
#define LPSS_RESET_CTRL         __BITS(1,0)
#define LPSS_RESET_CTRL_ASSERT          0
#define LPSS_RESET_CTRL_REL             0x3

#define LPSS_ACTIVELTR  0x210
#define LPSS_ACTIVELTR_SSCALE   __BITS(12,10)
#define LPSS_ACTIVELTR_SSCALE_1         (0x2 << 10)
#define LPSS_ACTIVELTR_SSCALE_32        (0x3 << 10)
#define LPSS_ACTIVELTR_SVALUE   __BITS(9,0)

#define LPSS_IDLELTR    0x214
#define LPSS_IDLELTR_SSCALE     __BITS(12,10)
#define LPSS_IDLELTR_SSCALE_1           (0x2 << 10)
#define LPSS_IDLELTR_SSCALE_32          (0x3 << 10)
#define LPSS_IDLELTR_SVALUE     __BITS(9,0)

#define LPSS_TXACK      0x218
#define LPSS_TXACK_OVF          __BIT(31)
#define LPSS_TXACK_CNT          __BITS(23,0)

#define LPSS_RXACK      0x21C
#define LPSS_RXACK_OVF          __BIT(31)
#define LPSS_RXACK_CNT          __BITS(23,0)

#define LPSS_TX_IRQ     0x220
#define LPSS_TX_IRQ_MSK         __BIT(1)
#define LPSS_TX_IRQ_I           __BIT(0)

#define LPSS_TX_IRQ_CLR 0x224
#define LPSS_TX_IRQ_CLRI        __BIT(0)

#define LPSS_CLKGATE    0x238
#define LPSS_CLKGATE_DMA        __BITS(3,2)
#define LPSS_CLKGATE_DMA_AUTO           (0x0 << 2)
#define LPSS_CLKGATE_DMA_OFF            (0x2 << 2)
#define LPSS_CLKGATE_DMA_ON             (0x3 << 2)
#define LPSS_CLKGATE_CTRL       __BITS(1,0)
#define LPSS_CLKGATE_CTRL_AUTO          (0x0 << 0)
#define LPSS_CLKGATE_CTRL_OFF           (0x2 << 0)
#define LPSS_CLKGATE_CTRL_ON            (0x3 << 0)

#define LPSS_REMAP_LO   0x240

#define LPSS_REMAP_HI   0x244

#define LPSS_DEVIDLE    0x24c
#define LPSS_DEVIDLE_IRQ        __BIT(4)
#define LPSS_DEVIDLE_RESTORE    __BIT(3)
#define LPSS_DEVIDLE_IDLE       __BIT(2)
#define LPSS_DEVIDLE_INPROG     __BIT(0)

#define LPSS_CAP        0x2fc
#define LPSS_CAP_DMA            __BIT(8)
#define LPSS_CAP_TYPE           __BITS(7,4)
#define LPSS_CAP_TYPE_I2C               (0x0 << 4)
#define LPSS_CAP_TYPE_UART              (0x1 << 4)
#define LPSS_CAP_TYPE_SPI               (0x2 << 4)
#define LPSS_CAP_INSTANCE       __BITS(3,0)