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a3da1d95 GE |
1 | /*************************************************************************** |
2 | ftdi.h - description | |
3 | ------------------- | |
4 | begin : Fri Apr 4 2003 | |
5 | copyright : (C) 2003 by Intra2net AG | |
5fdb1cb1 | 6 | email : opensource@intra2net.com |
a3da1d95 GE |
7 | ***************************************************************************/ |
8 | ||
9 | /*************************************************************************** | |
10 | * * | |
11 | * This program is free software; you can redistribute it and/or modify * | |
12 | * it under the terms of the GNU Lesser General Public License * | |
13 | * version 2.1 as published by the Free Software Foundation; * | |
14 | * * | |
15 | ***************************************************************************/ | |
16 | ||
17 | #ifndef __libftdi_h__ | |
18 | #define __libftdi_h__ | |
19 | ||
0e302db6 | 20 | /* libusb header */ |
1d1c9d80 | 21 | #include <usb.h> |
a3da1d95 | 22 | |
0e302db6 TJ |
23 | /* Kernel USB headers */ |
24 | #include <linux/usb.h> | |
25 | #include <linux/usbdevice_fs.h> | |
26 | ||
27 | /* Keep this in sync with libusb */ | |
28 | struct usb_dev_handle { | |
29 | int fd; | |
30 | ||
31 | struct usb_bus *bus; | |
32 | struct usb_device *device; | |
33 | ||
34 | int config; | |
35 | int interface; | |
36 | int altsetting; | |
37 | ||
38 | /* Added by RMT so implementations can store other per-open-device data */ | |
39 | void *impl_info; | |
40 | }; | |
41 | ||
42 | ||
de22df10 | 43 | enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2 }; |
53ad271d | 44 | |
a3da1d95 GE |
45 | struct ftdi_context { |
46 | // USB specific | |
47 | struct usb_dev_handle *usb_dev; | |
545820ce TJ |
48 | int usb_read_timeout; |
49 | int usb_write_timeout; | |
0e302db6 | 50 | struct usbdevfs_urb *urb; |
a3da1d95 GE |
51 | |
52 | // FTDI specific | |
53ad271d | 53 | enum ftdi_chip_type type; |
a3da1d95 GE |
54 | int baudrate; |
55 | unsigned char bitbang_enabled; | |
948f9ada | 56 | unsigned char *readbuffer; |
4ece2c24 TJ |
57 | unsigned int readbuffer_offset; |
58 | unsigned int readbuffer_remaining; | |
948f9ada TJ |
59 | unsigned int readbuffer_chunksize; |
60 | unsigned int writebuffer_chunksize; | |
d9f0cce7 | 61 | |
545820ce TJ |
62 | // FTDI FT2232C requirecments |
63 | int interface; // 0 or 1 | |
64 | int index; // 1 or 2 | |
65 | // Endpoints | |
66 | int in_ep; | |
67 | int out_ep; // 1 or 2 | |
3119537f TJ |
68 | |
69 | /* 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */ | |
70 | unsigned char bitbang_mode; | |
545820ce | 71 | |
a3da1d95 GE |
72 | // misc |
73 | char *error_str; | |
74 | }; | |
75 | ||
b8aa7b35 | 76 | struct ftdi_eeprom { |
d9f0cce7 | 77 | int vendor_id; |
b8aa7b35 TJ |
78 | int product_id; |
79 | ||
d9f0cce7 | 80 | int self_powered; |
b8aa7b35 TJ |
81 | int remote_wakeup; |
82 | int BM_type_chip; | |
83 | ||
84 | int in_is_isochronous; | |
85 | int out_is_isochronous; | |
86 | int suspend_pull_downs; | |
87 | ||
88 | int use_serial; | |
89 | int change_usb_version; | |
90 | int usb_version; | |
91 | int max_power; | |
d9f0cce7 | 92 | |
b8aa7b35 TJ |
93 | char *manufacturer; |
94 | char *product; | |
95 | char *serial; | |
96 | }; | |
97 | ||
a3da1d95 GE |
98 | #ifdef __cplusplus |
99 | extern "C" { | |
100 | #endif | |
101 | ||
102 | int ftdi_init(struct ftdi_context *ftdi); | |
948f9ada | 103 | void ftdi_deinit(struct ftdi_context *ftdi); |
a3da1d95 GE |
104 | void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_handle *usbdev); |
105 | int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product); | |
106 | int ftdi_usb_close(struct ftdi_context *ftdi); | |
107 | int ftdi_usb_reset(struct ftdi_context *ftdi); | |
a60be878 | 108 | int ftdi_usb_purge_buffers(struct ftdi_context *ftdi); |
a3da1d95 GE |
109 | |
110 | int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate); | |
948f9ada | 111 | |
be5d7eec | 112 | int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size); |
948f9ada TJ |
113 | int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); |
114 | int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
115 | ||
116 | int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size); | |
117 | int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); | |
118 | int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize); | |
a3da1d95 GE |
119 | |
120 | int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask); | |
121 | int ftdi_disable_bitbang(struct ftdi_context *ftdi); | |
122 | int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins); | |
123 | ||
124 | int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency); | |
125 | int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency); | |
126 | ||
0e302db6 | 127 | /* init and build eeprom from ftdi_eeprom structure */ |
b8aa7b35 TJ |
128 | void ftdi_eeprom_initdefaults(struct ftdi_eeprom *eeprom); |
129 | int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output); | |
130 | ||
0e302db6 TJ |
131 | /* "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator) |
132 | the checksum of the eeprom is valided */ | |
be5d7eec TJ |
133 | int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); |
134 | int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom); | |
b8aa7b35 | 135 | int ftdi_erase_eeprom(struct ftdi_context *ftdi); |
a3da1d95 GE |
136 | |
137 | #ifdef __cplusplus | |
138 | } | |
139 | #endif | |
140 | ||
141 | #endif /* __libftdi_h__ */ |