| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2013 Travis Geiselbrecht |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files |
| 6 | * (the "Software"), to deal in the Software without restriction, |
| 7 | * including without limitation the rights to use, copy, modify, merge, |
| 8 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 9 | * and to permit persons to whom the Software is furnished to do so, |
| 10 | * subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be |
| 13 | * included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 19 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 20 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 21 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | #include <err.h> |
| 24 | #include <debug.h> |
| 25 | #include <stdio.h> |
| 26 | #include <target.h> |
| 27 | #include <compiler.h> |
| 28 | #include <dev/usb.h> |
| 29 | #include <hw/usb.h> |
| 30 | #include <lk/init.h> |
| 31 | |
| 32 | #define W(w) (w & 0xff), (w >> 8) |
| 33 | #define W3(w) (w & 0xff), ((w >> 8) & 0xff), ((w >> 16) & 0xff) |
| 34 | |
| 35 | /* top level device descriptor */ |
| 36 | static const uint8_t dev_descr[] = { |
| 37 | 0x12, /* descriptor length */ |
| 38 | DEVICE, /* Device Descriptor type */ |
| 39 | W(0x0200), /* USB Version */ |
| 40 | 0xff, /* class */ |
| 41 | 0xff, /* subclass */ |
| 42 | 0xff, /* protocol */ |
| 43 | 64, /* max packet size, ept0 */ |
| 44 | W(0x9999), /* vendor */ |
| 45 | W(0x9999), /* product */ |
| 46 | W(0x9999), /* release */ |
| 47 | 0x0, /* manufacturer string */ |
| 48 | 0x0, /* product string */ |
| 49 | 0x0, /* serialno string */ |
| 50 | 0x1, /* num configs */ |
| 51 | }; |
| 52 | |
| 53 | /* high/low speed device qualifier */ |
| 54 | static const uint8_t devqual_descr[] = { |
| 55 | 0x0a, /* len */ |
| 56 | DEVICE_QUALIFIER, /* Device Qualifier type */ |
| 57 | W(0x0200), /* USB version */ |
| 58 | 0x00, /* class */ |
| 59 | 0x00, /* subclass */ |
| 60 | 0x00, /* protocol */ |
| 61 | 64, /* max packet size, ept0 */ |
| 62 | 0x01, /* num configs */ |
| 63 | 0x00 /* reserved */ |
| 64 | }; |
| 65 | |
| 66 | static const uint8_t cfg_descr[] = { |
| 67 | 0x09, /* Length of Cfg Descr */ |
| 68 | CONFIGURATION, /* Type of Cfg Descr */ |
| 69 | W(0x09), /* Total Length (incl ifc, ept) */ |
| 70 | 0x00, /* # Interfaces */ |
| 71 | 0x01, /* Cfg Value */ |
| 72 | 0x00, /* Cfg String */ |
| 73 | 0xc0, /* Attributes -- self powered */ |
| 74 | 250, /* Power Consumption - 500mA */ |
| 75 | }; |
| 76 | |
| 77 | static const uchar langid[] = { 0x04, 0x03, 0x09, 0x04 }; |
| 78 | |
| 79 | static const uint8_t if_descriptor_lowspeed[] = { |
| 80 | 0x09, /* length */ |
| 81 | INTERFACE, /* type */ |
| 82 | 0x01, /* interface num */ |
| 83 | 0x00, /* alternates */ |
| 84 | 0x02, /* endpoint count */ |
| 85 | 0xff, /* interface class */ |
| 86 | 0xff, /* interface subclass */ |
| 87 | 0x00, /* interface protocol */ |
| 88 | 0x00, /* string index */ |
| 89 | |
| 90 | /* endpoint 1 IN */ |
| 91 | 0x07, /* length */ |
| 92 | ENDPOINT, /* type */ |
| 93 | 0x81, /* address: 1 IN */ |
| 94 | 0x02, /* type: bulk */ |
| 95 | W(64), /* max packet size: 64 */ |
| 96 | 00, /* interval */ |
| 97 | |
| 98 | /* endpoint 1 OUT */ |
| 99 | 0x07, /* length */ |
| 100 | ENDPOINT, /* type */ |
| 101 | 0x01, /* address: 1 OUT */ |
| 102 | 0x02, /* type: bulk */ |
| 103 | W(64), /* max packet size: 64 */ |
| 104 | 00, /* interval */ |
| 105 | }; |
| 106 | |
| 107 | usb_config config = { |
| 108 | .lowspeed = { |
| 109 | .device = USB_DESC_STATIC(dev_descr), |
| 110 | .device_qual = USB_DESC_STATIC(devqual_descr), |
| 111 | .config = USB_DESC_STATIC(cfg_descr), |
| 112 | }, |
| 113 | .highspeed = { |
| 114 | .device = USB_DESC_STATIC(dev_descr), |
| 115 | .device_qual = USB_DESC_STATIC(devqual_descr), |
| 116 | .config = USB_DESC_STATIC(cfg_descr), |
| 117 | }, |
| 118 | |
| 119 | .langid = USB_DESC_STATIC(langid), |
| 120 | }; |
| 121 | |
| 122 | void target_usb_setup(void) |
| 123 | { |
| 124 | usb_setup(&config); |
| 125 | printf("appending interfaces\n"); |
| 126 | usb_append_interface_lowspeed(if_descriptor_lowspeed, sizeof(if_descriptor_lowspeed)); |
| 127 | usb_append_interface_highspeed(if_descriptor_lowspeed, sizeof(if_descriptor_lowspeed)); |
| 128 | |
| 129 | usb_start(); |
| 130 | } |
| 131 | |
| 132 | // vim: set ts=4 sw=4 expandtab: |