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/* Copyright 2015 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Pericom PI3USB3X532 USB port switch driver.
*
* Supported switches:
* - PI3USB30532
* - PI3USB31532
*/
#ifndef __CROS_EC_PI3USB3X532_H
#define __CROS_EC_PI3USB3X532_H
#include "usb_pd.h"
#include "usb_mux.h"
/* I2C Addresses */
#define PI3USB3X532_I2C_ADDR0 0x54
#define PI3USB3X532_I2C_ADDR1 0x55
#define PI3USB3X532_I2C_ADDR2 0x56
#define PI3USB3X532_I2C_ADDR3 0x57
/* USB switch registers */
#define PI3USB3X532_REG_ADDR 0x00
#define PI3USB3X532_REG_VENDOR 0x01
#define PI3USB3X532_REG_CONTROL 0x02
/* Control register field */
#define PI3USB3X532_CTRL_MASK 0x7
#define PI3USB3X532_CTRL_RSVD 0
/* Switch vendor ID */
#define PI3USB3X532_VENDOR_ID 0
/* PI3USB3X532 control flags */
#define PI3USB3X532_BIT_SWAP BIT(0)
#define PI3USB3X532_BIT_DP BIT(1)
#define PI3USB3X532_BIT_USB BIT(2)
/* PI3USB3X532 modes */
/* Power down, switch open */
#define PI3USB3X532_MODE_POWERDOWN 0
/* Keep power on, switch open */
#define PI3USB3X532_MODE_POWERON 1
/* 4-lane DP 1.2
* dp0~3 : rx2, tx2, tx1, rx1
* hpd+/-: rfu1, rfu2
*/
#define PI3USB3X532_MODE_DP PI3USB3X532_BIT_DP
/* 4-lane DP 1.2 swap
* dp0~3 : rx1, tx1, tx2, rx2
* hpd+/-: rfu2, rfu1
*/
#define PI3USB3X532_MODE_DP_SWAP (PI3USB3X532_MODE_DP | PI3USB3X532_BIT_SWAP)
/* USB3
* tx/rx : tx1, rx1
*/
#define PI3USB3X532_MODE_USB PI3USB3X532_BIT_USB
/* USB3 swap
* tx/rx : tx2, rx2
*/
#define PI3USB3X532_MODE_USB_SWAP (PI3USB3X532_MODE_USB | PI3USB3X532_BIT_SWAP)
/* 2-lane DP 1.2 + USB3
* tx/rx : tx1, rx1
* dp0~1 : rx2, tx2
* hpd+/-: rfu1, rfu2
*/
#define PI3USB3X532_MODE_DP_USB (PI3USB3X532_BIT_DP | PI3USB3X532_BIT_USB)
/* 2-lane DP 1.2 + USB3, swap
* tx/rx : tx2, rx2
* dp0-1 : rx1, tx1
* hpd+/-: rfu2, rfu1
*/
#define PI3USB3X532_MODE_DP_USB_SWAP (PI3USB3X532_MODE_DP_USB | \
PI3USB3X532_BIT_SWAP)
/* Get Vendor ID */
int pi3usb3x532_check_vendor(const struct usb_mux *me, int *val);
#endif /* __CROS_EC_PI3USB3X532_H */
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