diff options
Diffstat (limited to 'rtemsbsd/sys/dev/usb/usb_otg_transceiver.h')
| -rw-r--r-- | rtemsbsd/sys/dev/usb/usb_otg_transceiver.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/rtemsbsd/sys/dev/usb/usb_otg_transceiver.h b/rtemsbsd/sys/dev/usb/usb_otg_transceiver.h new file mode 100644 index 00000000..1e6b738d --- /dev/null +++ b/rtemsbsd/sys/dev/usb/usb_otg_transceiver.h @@ -0,0 +1,131 @@ +/* + * Copyright (c) 2012 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <info@embedded-brains.de> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _USB_OTG_TRANSCEIVER_HH_ +#define _USB_OTG_TRANSCEIVER_HH_ + +#include <sys/stdint.h> + +/* USB OTG transceiver standard registers */ +#define USB_OTG_VENDOR_ID_LOW 0x0 +#define USB_OTG_VENDOR_ID_HIGH 0x1 +#define USB_OTG_PRODUCT_ID_LOW 0x2 +#define USB_OTG_PRODUCT_ID_HIGH 0x3 +#define USB_OTG_CONTROL_1 0x4 +#define USB_OTG_CONTROL_1_SET 0x4 +#define USB_OTG_CONTROL_1_CLEAR 0x5 +#define USB_OTG_CONTROL_2 0x6 +#define USB_OTG_CONTROL_2_SET 0x6 +#define USB_OTG_CONTROL_2_CLEAR 0x7 +#define USB_OTG_CONTROL_3 0x12 +#define USB_OTG_CONTROL_3_SET 0x12 +#define USB_OTG_CONTROL_3_CLEAR 0x13 +#define USB_OTG_INT_SOURCE 0x8 +#define USB_OTG_INT_LATCH 0xa +#define USB_OTG_INT_LATCH_SET 0xa +#define USB_OTG_INT_LATCH_CLEAR 0xb +#define USB_OTG_INT_ENABLE_LOW 0xc +#define USB_OTG_INT_ENABLE_LOW_SET 0xc +#define USB_OTG_INT_ENABLE_LOW_CLEAR 0xd +#define USB_OTG_INT_ENABLE_HIGH 0xe +#define USB_OTG_INT_ENABLE_HIGH_SET 0xe +#define USB_OTG_INT_ENABLE_HIGH_CLEAR 0xf + +/* ISP130X specific registers */ +#define ISP130X_OTG_STATUS 0x10 +#define ISP130X_VERSION_ID_LOW 0x14 +#define ISP130X_VERSION_ID_HIGH 0x15 + +/* ISP1302 specific registers */ +#define ISP1302_MISC_CONTROL_SET 0x18 +#define ISP1302_MISC_CONTROL_CLEAR 0x19 + +/* Product identifiers */ +#define USB_OTG_PRODUCT_ID_ISP1301 0x1301 +#define USB_OTG_PRODUCT_ID_ISP1302 0x1302 +#define USB_OTG_PRODUCT_ID_STOTG04E 0xa0c4 +#define USB_OTG_PRODUCT_ID_MIC2555 0x55b0 + +struct usb_otg_transceiver { + int (*read)( + const struct usb_otg_transceiver *self, + uint8_t reg_addr, + uint8_t *value + ); + int (*write)( + const struct usb_otg_transceiver *self, + uint8_t reg_addr, + uint8_t value + ); + uint16_t vendor_id; + uint16_t product_id; + uint8_t i2c_addr; +}; + +int usb_otg_transceiver_read( + const struct usb_otg_transceiver *self, + const uint8_t *reg_addrs, + uint8_t *values, + size_t count +); + +struct usb_otg_transceiver_write_request { + uint8_t reg_addr; + uint8_t value; +}; + +int usb_otg_transceiver_write( + const struct usb_otg_transceiver *self, + const struct usb_otg_transceiver_write_request *requests, + size_t count +); + +int usb_otg_transceiver_init(struct usb_otg_transceiver *self); + +int usb_otg_transceiver_dump(const struct usb_otg_transceiver *self); + +int usb_otg_transceiver_resume(const struct usb_otg_transceiver *self); + +int usb_otg_transceiver_suspend(const struct usb_otg_transceiver *self); + +enum usb_otg_transceiver_vbus { + USB_OTG_VBUS_NOTHING, + USB_OTG_VBUS_POWER_WITH_CHARGE_PUMP = 1 << 5, + USB_OTG_VBUS_DISCHARGE_VIA_RESISTOR = 1 << 6, + USB_OTG_VBUS_CHARGE_VIA_RESISTOR = 1 << 7 +}; + +int usb_otg_transceiver_set_vbus( + const struct usb_otg_transceiver *self, + enum usb_otg_transceiver_vbus vbus +); + +#endif/* _USB_OTG_TRANSCEIVER_HH_ */ |