2 * Copyright (c) 2007, Benedikt Sauter <sauter@ixbat.de>
5 * Short descripton of file:
6 * I take the function names and parameters mainly from
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
14 * * Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * * Redistributions in binary form must reproduce the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer in the documentation and/or other materials provided
19 * with the distribution.
20 * * Neither the name of the FH Augsburg nor the names of its
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 ppcskel - a Free Software replacement for the Nintendo/BroadOn bootloader.
41 Copyright (C) 2009 Bernhard Urban <lewurm@gmx.net>
42 Copyright (C) 2009 Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
44 # This code is licensed to you under the terms of the GNU GPL, version 2;
45 # see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
50 #include "../host/host.h"
51 #include "../usbspec/usb11spec.h"
52 #include "../../malloc.h"
53 #include "../../string.h"
55 #define cleargbuf() memset(gbuf, 0, 0xffff)
56 /* internal global buffer */
57 static u8 gbuf[0xffff];
59 /******************* Device Operations **********************/
61 * Open a device with verndor- and product-id for a communication.
63 struct usb_device *usb_open(u32 vendor_id, u32 product_id)
65 struct usb_device* dev;
66 struct element * iterator = core.devices->head;
67 while(iterator != NULL) {
68 dev = (struct usb_device*)iterator->data;
70 if(dev->idVendor==vendor_id&&dev->idProduct==product_id)
73 iterator=iterator->next;
81 * Open a device with an class code for a communication.
83 struct usb_device *usb_open_class(u8 class)
85 struct usb_device* dev;
86 struct element * iterator = core.devices->head;
87 while(iterator != NULL) {
88 dev = (struct usb_device*)iterator->data;
90 if(dev->bDeviceClass==class)
93 iterator=iterator->next;
98 /* Close device after a communication.
100 s8 usb_close(struct usb_device *dev)
106 s8 usb_reset(struct usb_device *dev)
114 /******************* Control Transfer **********************/
116 * Create a control transfer.
118 s8 usb_control_msg(struct usb_device *dev, u8 requesttype, u8 request,
119 u16 value, u16 index, u16 length, u8 *buf, u16 timeout)
121 return usb_control_msg_pl(dev, requesttype, request, value, index, length, buf, timeout, NULL);
124 s8 usb_control_msg_pl(struct usb_device *dev, u8 requesttype, u8 request,
125 u16 value, u16 index, u16 length, u8 *buf, u16 timeout, u8 *payload)
127 static struct usb_irp irp;
128 memset(&irp, 0, sizeof(struct usb_irp));
133 irp.epsize = dev->bMaxPacketSize0;
136 buf[0]=(u8)requesttype;
139 buf[3]=(u8)(value >> 8);
141 buf[5]=(u8)(index >> 8);
143 buf[7]=(u8)(length >> 8);
147 for(i=8; (i-8)<length; i++)
148 buf[i] = payload[i-8];
153 irp.timeout = timeout;
155 usb_submit_irp(&irp);
160 s8 usb_get_descriptor(struct usb_device *dev, u8 type, u8 index, u8 *buf, u8 size)
162 usb_control_msg(dev, 0x80, GET_DESCRIPTOR, (type << 8) | index, 0, size, buf, 0);
166 s8 usb_get_string(struct usb_device *dev, u8 index, u8 langid)
172 char *usb_get_string_simple(struct usb_device *dev, u8 index)
175 usb_get_descriptor(dev, STRING, index, gbuf, (u8) 8);
176 usb_get_descriptor(dev, STRING, index, gbuf, gbuf[0]);
178 char *str = (char*)malloc((gbuf[0]/2));
179 memset(str, '\0', (gbuf[0]/2));
182 for(i=0; i<(gbuf[0]/2)-1; i++) {
183 str[i] = gbuf[2+(i*2)];
189 /* ask first 8 bytes of device descriptor with this special
190 * GET Descriptor Request, when device address = 0
192 s8 usb_get_desc_dev_simple(struct usb_device *dev)
195 usb_get_descriptor(dev, DEVICE, 0, gbuf, 8);
198 printf("FU: %d\n", gbuf[7]);
201 dev->bMaxPacketSize0 = gbuf[7];
205 s8 usb_get_desc_dev(struct usb_device *dev)
208 if (usb_get_desc_dev_simple(dev) < 0) {
211 usb_get_descriptor(dev, DEVICE, 0, gbuf, gbuf[0]);
213 dev->bLength = gbuf[0];
214 dev->bDescriptorType = gbuf[1];
215 dev->bcdUSB = (u16) (gbuf[3] << 8 | gbuf[2]);
216 dev->bDeviceClass = gbuf[4];
217 dev->bDeviceSubClass = gbuf[5];
218 dev->bDeviceProtocoll = gbuf[6];
219 dev->idVendor = (u16) (gbuf[9] << 8) | (gbuf[8]);
220 dev->idProduct = (u16) (gbuf[11] << 8) | (gbuf[10]);
221 dev->bcdDevice = (u16) (gbuf[13] << 8) | (gbuf[12]);
222 dev->iManufacturer = gbuf[14];
223 dev->iProduct = gbuf[15];
224 dev->iSerialNumber = gbuf[16];
225 dev->bNumConfigurations = gbuf[17];
228 struct usb_conf *conf = dev->conf = (struct usb_conf*) malloc(sizeof(struct usb_conf));
229 for(i=0; i <= dev->bNumConfigurations; i++) {
231 conf = (struct usb_conf*) malloc(sizeof(struct usb_conf));
233 usb_get_desc_config_ext(dev, i, conf);
239 s8 usb_get_desc_configuration(struct usb_device *dev, u8 index, struct usb_conf *conf)
242 usb_get_descriptor(dev, CONFIGURATION, index, gbuf, 8);
243 usb_get_descriptor(dev, CONFIGURATION, index, gbuf, gbuf[0]);
245 conf->bLength = gbuf[0];
246 conf->bDescriptorType = gbuf[1];
247 conf->wTotalLength = (u16) (gbuf[3] << 8 | gbuf[2]);
248 conf->bNumInterfaces = gbuf[4];
249 conf->bConfigurationValue = gbuf[5];
250 conf->iConfiguration = gbuf[6];
251 conf->bmAttributes = gbuf[7];
252 conf->bMaxPower = gbuf[8];
258 /* returns more information about CONFIGURATION, including
259 * INTERFACE(s) and ENDPOINT(s)
260 * usb_get_desc_configuration() must be called for this device before
262 s8 usb_get_desc_config_ext(struct usb_device *dev, u8 index, struct usb_conf *conf)
266 usb_get_desc_configuration(dev, index, conf);
267 usb_get_descriptor(dev, CONFIGURATION, index, gbuf, dev->conf->wTotalLength);
270 struct usb_intf *ifs = dev->conf->intf = (struct usb_intf*) malloc(sizeof(struct usb_intf));
271 for(i=1; i <= dev->conf->bNumInterfaces; i++) {
273 ifs->next = (struct usb_intf*) malloc(sizeof(struct usb_intf));
276 ifs->bLength = gbuf[off+0];
277 ifs->bDescriptorType = gbuf[off+1];
278 ifs->bInterfaceNumber = gbuf[off+2];
279 ifs->bAlternateSetting = gbuf[off+3];
280 ifs->bNumEndpoints = gbuf[off+4];
281 ifs->bInterfaceClass = gbuf[off+5];
282 ifs->bInterfaceSubClass = gbuf[off+6];
283 ifs->bInterfaceProtocol = gbuf[off+7];
284 ifs->iInterface = gbuf[off+8];
288 struct usb_endp *ep = ifs->endp = (struct usb_endp*) malloc(sizeof(struct usb_endp));
289 for(j=1; j <= ifs->bNumEndpoints; j++) {
290 /* skip HID Device Descriptor (see lsusb) */
291 if(gbuf[off+1] == 33) {
298 ep->next = (struct usb_endp*) malloc(sizeof(struct usb_endp));
302 ep->bLength = gbuf[off+0];
303 ep->bDescriptorType = gbuf[off+1];
304 ep->bEndpointAddress = gbuf[off+2];
305 ep->bmAttributes = gbuf[off+3];
306 ep->wMaxPacketSize = (u16) ((gbuf[off+5] << 8) | (gbuf[off+4]));
307 ep->bInterval = gbuf[off+6];
315 s8 usb_set_address(struct usb_device *dev, u8 address)
318 usb_control_msg(dev, 0x00, SET_ADDRESS, address, 0, 0, gbuf, 0);
324 u8 usb_get_configuration(struct usb_device *dev)
327 usb_control_msg(dev, 0x80, GET_CONFIGURATION, 0, 0, 4, gbuf, 0);
331 s8 usb_set_configuration(struct usb_device *dev, u8 configuration)
334 usb_control_msg(dev, 0x00, SET_CONFIGURATION, configuration, 0, 0, gbuf, 0);
339 s8 usb_set_altinterface(struct usb_device *dev, u8 alternate)
345 static s8 usb_gen_rw(struct usb_device *dev, u8 ep, u8 *buf, u16 size, u8 timeout, u8 type) {
346 static struct usb_irp irp;
347 memset(&irp, 0, sizeof(struct usb_irp));
351 irp.epsize = dev->epSize[ep & 0x7F];
356 irp.timeout = timeout;
358 usb_submit_irp(&irp);
362 /******************* Bulk Transfer **********************/
364 * Write to an a bulk endpoint.
366 s8 usb_bulk_write(struct usb_device *dev, u8 ep, u8 *buf, u16 size, u8 timeout)
368 return usb_gen_rw(dev, ep, buf, size, timeout, USB_BULK);
372 * Read from an bulk endpoint.
374 s8 usb_bulk_read(struct usb_device *dev, u8 ep, u8 *buf, u16 size, u8 timeout)
376 return usb_gen_rw(dev, ep|0x80, buf, size, timeout, USB_BULK);
380 /******************* Interrupt Transfer **********************/
382 * Write to an interrupt endpoint.
384 s8 usb_interrupt_write(struct usb_device *dev, u8 ep, u8 *buf, u16 size, u8 timeout)
386 return usb_gen_rw(dev, ep, buf, size, timeout, USB_INTR);
390 * Read from an interrupt endpoint.
392 s8 usb_interrupt_read(struct usb_device *dev, u8 ep, u8 *buf, u16 size, u8 timeout)
394 return usb_gen_rw(dev, ep|0x80, buf, size, timeout, USB_INTR);
398 /******************* Isochron Transfer **********************/
401 * Write to an isochron endpoint.
403 s8 usb_isochron_write(struct usb_device *dev, u8 ep, u8 *buf, u16 size, u8 timeout)
410 * Read from an isochron endpoint.
412 s8 usb_isochron_read(struct usb_device *dev, u8 ep, u8 *buf, u16 size, u8 timeout)