1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* 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;
void *softc;
};
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_ */
|
