83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
|
/* Copyright 2014 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 PI3USB9281 USB port switch.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __CROS_EC_PI3USB9281_H
|
||
|
|
#define __CROS_EC_PI3USB9281_H
|
||
|
|
|
||
|
|
#define PI3USB9281_REG_DEV_ID 0x01
|
||
|
|
#define PI3USB9281_REG_CONTROL 0x02
|
||
|
|
#define PI3USB9281_REG_INT 0x03
|
||
|
|
#define PI3USB9281_REG_INT_MASK 0x05
|
||
|
|
#define PI3USB9281_REG_DEV_TYPE 0x0a
|
||
|
|
#define PI3USB9281_REG_CHG_STATUS 0x0e
|
||
|
|
#define PI3USB9281_REG_MANUAL 0x13
|
||
|
|
#define PI3USB9281_REG_RESET 0x1b
|
||
|
|
#define PI3USB9281_REG_VBUS 0x1d
|
||
|
|
|
||
|
|
#define PI3USB9281_DEV_ID 0x10
|
||
|
|
#define PI3USB9281_DEV_ID_A 0x18
|
||
|
|
|
||
|
|
#define PI3USB9281_CTRL_INT_DIS BIT(0)
|
||
|
|
#define PI3USB9281_CTRL_AUTO BIT(2)
|
||
|
|
#define PI3USB9281_CTRL_SWITCH_AUTO BIT(4)
|
||
|
|
/* Bits 5 thru 7 are read X, write 0 */
|
||
|
|
#define PI3USB9281_CTRL_MASK 0x1f
|
||
|
|
/* Bits 1 and 3 are read 1, write 1 */
|
||
|
|
#define PI3USB9281_CTRL_RSVD_1 0x0a
|
||
|
|
|
||
|
|
#define PI3USB9281_PIN_MANUAL_VBUS (3 << 0)
|
||
|
|
#define PI3USB9281_PIN_MANUAL_DP BIT(2)
|
||
|
|
#define PI3USB9281_PIN_MANUAL_DM BIT(5)
|
||
|
|
|
||
|
|
#define PI3USB9281_INT_ATTACH BIT(0)
|
||
|
|
#define PI3USB9281_INT_DETACH BIT(1)
|
||
|
|
#define PI3USB9281_INT_OVP BIT(5)
|
||
|
|
#define PI3USB9281_INT_OCP BIT(6)
|
||
|
|
#define PI3USB9281_INT_OVP_OC BIT(7)
|
||
|
|
#define PI3USB9281_INT_ATTACH_DETACH (PI3USB9281_INT_ATTACH | \
|
||
|
|
PI3USB9281_INT_DETACH)
|
||
|
|
|
||
|
|
#define PI3USB9281_TYPE_NONE 0
|
||
|
|
#define PI3USB9281_TYPE_MHL BIT(0)
|
||
|
|
#define PI3USB9281_TYPE_OTG BIT(1)
|
||
|
|
#define PI3USB9281_TYPE_SDP BIT(2)
|
||
|
|
#define PI3USB9281_TYPE_CAR BIT(4)
|
||
|
|
#define PI3USB9281_TYPE_CDP BIT(5)
|
||
|
|
#define PI3USB9281_TYPE_DCP BIT(6)
|
||
|
|
|
||
|
|
#define PI3USB9281_CHG_NONE 0
|
||
|
|
#define PI3USB9281_CHG_CAR_TYPE1 BIT(1)
|
||
|
|
#define PI3USB9281_CHG_CAR_TYPE2 (3 << 0)
|
||
|
|
#define PI3USB9281_CHG_APPLE_1A BIT(2)
|
||
|
|
#define PI3USB9281_CHG_APPLE_2A BIT(3)
|
||
|
|
#define PI3USB9281_CHG_APPLE_2_4A BIT(4)
|
||
|
|
/* Check if charge status has any connection */
|
||
|
|
#define PI3USB9281_CHG_STATUS_ANY(x) (((x) & 0x1f) > 1)
|
||
|
|
|
||
|
|
/* Define configuration of one pi3usb9281 part */
|
||
|
|
struct pi3usb9281_config {
|
||
|
|
/* i2c port that chip resides on */
|
||
|
|
int i2c_port;
|
||
|
|
/* GPIO for chip selection in muxed configuration */
|
||
|
|
enum gpio_signal mux_gpio;
|
||
|
|
/* Logic level of mux_gpio to select chip */
|
||
|
|
int mux_gpio_level;
|
||
|
|
/* Mutex to lock access to mux gpio or NULL if no mux exists */
|
||
|
|
struct mutex *mux_lock;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Configuration struct defined at board level */
|
||
|
|
extern struct pi3usb9281_config pi3usb9281_chips[];
|
||
|
|
|
||
|
|
/* Enable interrupts. */
|
||
|
|
int pi3usb9281_enable_interrupts(int port);
|
||
|
|
|
||
|
|
/* Get the device type */
|
||
|
|
int pi3usb9281_get_device_type(int port);
|
||
|
|
|
||
|
|
#endif /* __CROS_EC_PI3USB9281_H */
|