diff options
Diffstat (limited to 'driver/usb_mux/ps8740.h')
| -rw-r--r-- | driver/usb_mux/ps8740.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/driver/usb_mux/ps8740.h b/driver/usb_mux/ps8740.h deleted file mode 100644 index 3a669b5ad9..0000000000 --- a/driver/usb_mux/ps8740.h +++ /dev/null @@ -1,91 +0,0 @@ -/* Copyright 2020 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. - * - * Parade PS8740 (and PS8742) - * USB Type-C Redriving Switch for USB Host / DisplayPort. - */ - -#ifndef __CROS_EC_PS8740_H -#define __CROS_EC_PS8740_H - -#include "usb_mux.h" - -#define PS8740_I2C_ADDR0_FLAG 0x10 -#define PS8740_I2C_ADDR1_FLAG 0x11 -#define PS8740_I2C_ADDR2_FLAG 0x19 -#define PS8740_I2C_ADDR3_FLAG 0x1a - -/* Mode register for setting mux */ -#define PS8740_REG_MODE 0x00 -#define PS8740_MODE_POLARITY_INVERTED BIT(4) -#define PS8740_MODE_USB_ENABLED BIT(5) -#define PS8740_MODE_DP_ENABLED BIT(6) -#ifdef CONFIG_USB_MUX_PS8740 - #define PS8740_MODE_POWER_DOWN BIT(7) -#elif defined(CONFIG_USB_MUX_PS8742) - #define PS8740_MODE_CE_DP_ENABLED BIT(7) - /* To reset the state machine to default */ - #define PS8740_MODE_POWER_DOWN 0 -#endif - -/* Status register for checking mux state */ -#define PS8740_REG_STATUS 0x09 -#define PS8740_STATUS_POLARITY_INVERTED BIT(2) -#define PS8740_STATUS_USB_ENABLED BIT(3) -#define PS8740_STATUS_DP_ENABLED BIT(4) -#define PS8740_STATUS_HPD_ASSERTED BIT(7) - -/* Chip ID / revision registers and expected fused values */ -#define PS8740_REG_REVISION_ID1 0xf0 -#define PS8740_REG_REVISION_ID2 0xf1 -#define PS8740_REG_CHIP_ID1 0xf2 -#define PS8740_REG_CHIP_ID2 0xf3 -#ifdef CONFIG_USB_MUX_PS8740 - #define PS8740_REVISION_ID1 0x00 - #define PS8740_REVISION_ID2_0 0x0a - #define PS8740_REVISION_ID2_1 0x0b - #define PS8740_CHIP_ID1 0x40 -#elif defined(CONFIG_USB_MUX_PS8742) - #define PS8740_REVISION_ID1 0x01 - #define PS8740_REVISION_ID2_0 0x0a - #define PS8740_REVISION_ID2_1 0x0a - #define PS8740_CHIP_ID1 0x42 -#endif -#define PS8740_CHIP_ID2 0x87 - -/* USB equalization settings for Host to Mux */ -#define PS8740_REG_USB_EQ_TX 0x32 -#define PS8740_USB_EQ_TX_10_1_DB 0x00 -#define PS8740_USB_EQ_TX_14_3_DB 0x20 -#define PS8740_USB_EQ_TX_8_5_DB 0x40 -#define PS8740_USB_EQ_TX_6_5_DB 0x60 -#define PS8740_USB_EQ_TX_11_5_DB 0x80 -#define PS8740_USB_EQ_TX_9_5_DB 0xc0 -#define PS8740_USB_EQ_TX_7_5_DB 0xe0 -#define PS8740_USB_EQ_TERM_100_OHM (0 << 2) -#define PS8740_USB_EQ_TERM_85_OHM BIT(2) - -/* USB equalization settings for Connector to Mux */ -#define PS8740_REG_USB_EQ_RX 0x3b -#define PS8740_USB_EQ_RX_4_4_DB 0x00 -#define PS8740_USB_EQ_RX_7_0_DB 0x10 -#define PS8740_USB_EQ_RX_8_2_DB 0x20 -#define PS8740_USB_EQ_RX_9_4_DB 0x30 -#define PS8740_USB_EQ_RX_10_2_DB 0x40 -#define PS8740_USB_EQ_RX_11_4_DB 0x50 -#define PS8740_USB_EQ_RX_14_3_DB 0x60 -#define PS8740_USB_EQ_RX_14_8_DB 0x70 -#define PS8740_USB_EQ_RX_15_2_DB 0x80 -#define PS8740_USB_EQ_RX_15_5_DB 0x90 -#define PS8740_USB_EQ_RX_16_2_DB 0xa0 -#define PS8740_USB_EQ_RX_17_3_DB 0xb0 -#define PS8740_USB_EQ_RX_18_4_DB 0xc0 -#define PS8740_USB_EQ_RX_20_1_DB 0xd0 -#define PS8740_USB_EQ_RX_21_3_DB 0xe0 - -int ps8740_tune_usb_eq(const struct usb_mux *me, uint8_t tx, uint8_t rx); -int ps8740_write(const struct usb_mux *me, uint8_t reg, uint8_t val); -int ps8740_read(const struct usb_mux *me, uint8_t reg, int *val); - -#endif /* __CROS_EC_PS8740_H */ |