mirror of
https://git.rtems.org/rtems-libbsd/
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133 lines
4.1 KiB
C
Executable File
133 lines
4.1 KiB
C
Executable File
/*
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* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <info@embedded-brains.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _USB_OTG_TRANSCEIVER_HH_
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#define _USB_OTG_TRANSCEIVER_HH_
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#include <sys/stdint.h>
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/* USB OTG transceiver standard registers */
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#define USB_OTG_VENDOR_ID_LOW 0x0
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#define USB_OTG_VENDOR_ID_HIGH 0x1
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#define USB_OTG_PRODUCT_ID_LOW 0x2
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#define USB_OTG_PRODUCT_ID_HIGH 0x3
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#define USB_OTG_CONTROL_1 0x4
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#define USB_OTG_CONTROL_1_SET 0x4
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#define USB_OTG_CONTROL_1_CLEAR 0x5
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#define USB_OTG_CONTROL_2 0x6
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#define USB_OTG_CONTROL_2_SET 0x6
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#define USB_OTG_CONTROL_2_CLEAR 0x7
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#define USB_OTG_CONTROL_3 0x12
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#define USB_OTG_CONTROL_3_SET 0x12
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#define USB_OTG_CONTROL_3_CLEAR 0x13
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#define USB_OTG_INT_SOURCE 0x8
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#define USB_OTG_INT_LATCH 0xa
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#define USB_OTG_INT_LATCH_SET 0xa
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#define USB_OTG_INT_LATCH_CLEAR 0xb
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#define USB_OTG_INT_ENABLE_LOW 0xc
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#define USB_OTG_INT_ENABLE_LOW_SET 0xc
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#define USB_OTG_INT_ENABLE_LOW_CLEAR 0xd
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#define USB_OTG_INT_ENABLE_HIGH 0xe
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#define USB_OTG_INT_ENABLE_HIGH_SET 0xe
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#define USB_OTG_INT_ENABLE_HIGH_CLEAR 0xf
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/* ISP130X specific registers */
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#define ISP130X_OTG_STATUS 0x10
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#define ISP130X_VERSION_ID_LOW 0x14
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#define ISP130X_VERSION_ID_HIGH 0x15
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/* ISP1302 specific registers */
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#define ISP1302_MISC_CONTROL_SET 0x18
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#define ISP1302_MISC_CONTROL_CLEAR 0x19
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/* Product identifiers */
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#define USB_OTG_PRODUCT_ID_ISP1301 0x1301
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#define USB_OTG_PRODUCT_ID_ISP1302 0x1302
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#define USB_OTG_PRODUCT_ID_STOTG04E 0xa0c4
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#define USB_OTG_PRODUCT_ID_MIC2555 0x55b0
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struct usb_otg_transceiver {
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int (*read)(
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const struct usb_otg_transceiver *self,
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uint8_t reg_addr,
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uint8_t *value
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);
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int (*write)(
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const struct usb_otg_transceiver *self,
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uint8_t reg_addr,
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uint8_t value
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);
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uint16_t vendor_id;
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uint16_t product_id;
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uint8_t i2c_addr;
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void *softc;
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};
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int usb_otg_transceiver_read(
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const struct usb_otg_transceiver *self,
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const uint8_t *reg_addrs,
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uint8_t *values,
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size_t count
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);
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struct usb_otg_transceiver_write_request {
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uint8_t reg_addr;
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uint8_t value;
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};
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int usb_otg_transceiver_write(
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const struct usb_otg_transceiver *self,
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const struct usb_otg_transceiver_write_request *requests,
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size_t count
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);
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int usb_otg_transceiver_init(struct usb_otg_transceiver *self);
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int usb_otg_transceiver_dump(const struct usb_otg_transceiver *self);
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int usb_otg_transceiver_resume(const struct usb_otg_transceiver *self);
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int usb_otg_transceiver_suspend(const struct usb_otg_transceiver *self);
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enum usb_otg_transceiver_vbus {
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USB_OTG_VBUS_NOTHING,
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USB_OTG_VBUS_POWER_WITH_CHARGE_PUMP = 1 << 5,
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USB_OTG_VBUS_DISCHARGE_VIA_RESISTOR = 1 << 6,
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USB_OTG_VBUS_CHARGE_VIA_RESISTOR = 1 << 7
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};
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int usb_otg_transceiver_set_vbus(
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const struct usb_otg_transceiver *self,
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enum usb_otg_transceiver_vbus vbus
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);
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#endif/* _USB_OTG_TRANSCEIVER_HH_ */
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