66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
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/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Pericom PI3USB30532 USB port switch driver.
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*/
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#ifndef __CROS_EC_PI3USB30532_H
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#define __CROS_EC_PI3USB30532_H
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#include "usb_pd.h"
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/* USB switch registers */
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#define PI3USB30532_REG_ADDR 0x00
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#define PI3USB30532_REG_VENDOR 0x01
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#define PI3USB30532_REG_CONTROL 0x02
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/* Control register field */
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#define PI3USB30532_CTRL_MASK 0x7
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#define PI3USB30532_CTRL_RSVD 0
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/* Switch vendor ID */
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#define PI3USB30532_VENDOR_ID 0
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/* PI3USB30532 control flags */
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#define PI3USB30532_BIT_SWAP BIT(0)
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#define PI3USB30532_BIT_DP BIT(1)
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#define PI3USB30532_BIT_USB BIT(2)
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/* PI3USB30532 modes */
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/* Power down, switch open */
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#define PI3USB30532_MODE_POWERDOWN 0
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/* Keep power on, switch open */
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#define PI3USB30532_MODE_POWERON 1
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/* 4-lane DP 1.2
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* dp0~3 : rx2, tx2, tx1, rx1
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* hpd+/-: rfu1, rfu2
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*/
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#define PI3USB30532_MODE_DP PI3USB30532_BIT_DP
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/* 4-lane DP 1.2 swap
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* dp0~3 : rx1, tx1, tx2, rx2
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* hpd+/-: rfu2, rfu1
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*/
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#define PI3USB30532_MODE_DP_SWAP (PI3USB30532_MODE_DP | PI3USB30532_BIT_SWAP)
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/* USB3
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* tx/rx : tx1, rx1
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*/
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#define PI3USB30532_MODE_USB PI3USB30532_BIT_USB
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/* USB3 swap
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* tx/rx : tx2, rx2
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*/
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#define PI3USB30532_MODE_USB_SWAP (PI3USB30532_MODE_USB | PI3USB30532_BIT_SWAP)
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/* 2-lane DP 1.2 + USB3
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* tx/rx : tx1, rx1
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* dp0~1 : rx2, tx2
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* hpd+/-: rfu1, rfu2
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*/
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#define PI3USB30532_MODE_DP_USB (PI3USB30532_BIT_DP | PI3USB30532_BIT_USB)
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/* 2-lane DP 1.2 + USB3, swap
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* tx/rx : tx2, rx2
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* dp0-1 : rx1, tx1
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* hpd+/-: rfu2, rfu1
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*/
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#define PI3USB30532_MODE_DP_USB_SWAP (PI3USB30532_MODE_DP_USB | \
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PI3USB30532_BIT_SWAP)
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#endif /* __CROS_EC_PI3USB30532_H */
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