* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+/*
+ ppcskel - a Free Software replacement for the Nintendo/BroadOn bootloader.
+ plugmii core
+
+Copyright (C) 2009 Bernhard Urban <lewurm@gmx.net>
+Copyright (C) 2009 Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
+
+# This code is licensed to you under the terms of the GNU GPL, version 2;
+# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+*/
-//#include <stdlib.h>
#include "core.h"
#include "../host/host.h"
#include "usb.h"
/**
* Initialize USB stack.
*/
-void usb_init()
+void usb_init(u32 reg)
{
core.drivers = list_create();
core.devices = list_create();
core.nextaddress = 1;
- hcdi_init();
+ hcdi_init(reg);
}
/**
void usb_periodic()
{
// call ever registered driver
- usb_driver *drv;
- element *iterator = core.drivers->head;
+ struct usb_driver *drv;
+ struct element *iterator = core.drivers->head;
while (iterator != NULL) {
- drv = (usb_driver *) iterator->data;
+ drv = (struct usb_driver *) iterator->data;
drv->check();
iterator = iterator->next;
}
* for the core. usb_add_device expected that
* the device answers to address zero.
*/
-usb_device *usb_add_device()
+struct usb_device *usb_add_device(u8 lowspeed, u32 reg)
{
- usb_device *dev = (usb_device *) malloc(sizeof(usb_device));
+ struct usb_device *dev = (struct usb_device *) malloc(sizeof(struct usb_device));
+ dev->conf = (struct usb_conf *) malloc(sizeof(struct usb_conf));
dev->address = 0;
- dev->bMaxPacketSize0 = 8; /* send at first time only 8 bytes */
+ dev->fullspeed = lowspeed ? 0 : 1;
+ /* send at first time only 8 bytes for lowspeed devices
+ * 64 bytes for fullspeed
+ */
+ dev->bMaxPacketSize0 = lowspeed ? 8 : 64;
+ dev->ohci = reg;
- dev->epSize[0] = 64;
+ dev->epSize[0] = 8;
dev->epSize[1] = 64;
dev->epSize[2] = 64;
dev->epTogl[1] = 0;
dev->epTogl[2] = 0;
- char buf[64];
- memset(buf, 0, sizeof(buf));
-
- /* ask first 8 bytes of device descriptor with this special
- * GET Descriptor Request, when device address = 0
- */
-
- /*
- * see page 253 in usb_20.pdf
- *
- * bmRequestType = 0x80 = 10000000B
- * bRequest = GET_DESCRIPTOR
- * wValue = DEVICE (Descriptor Type)
- * wIndex = 0
- * wLength = 8 (in Bytes!?)
- */
- usb_control_msg(dev, 0x80, GET_DESCRIPTOR, DEVICE, 0, 64, buf, 8, 0);
-
- /*
- * length (here =64) should be "number of byte to transfer", not
- * (as here) "number of bits to transfer.
- * ?
- */
- //usb_control_msg(dev, 0x80, GET_DESCRIPTOR, 1, 0, 64, buf, 8, 0);
- printf("===========\nafter usb control msg:\n");
- hexdump(buf, sizeof(buf));
+ s8 ret;
+ ret = usb_get_desc_dev_simple(dev);
+ if(ret < 0) {
+ return (void*) -1;
+ }
-#if 0
- u8 devdescr_size;
+#define WTF
+#ifdef WTF
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lollllool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lololoololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lollllool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lololoololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lollllool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lololoololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lollllool PADDING WTF :O lolololololo \n");
+ printf("lolololool PADDING WTF :O lolololololo \n");
+ printf("lololololool PADDING WTF :O lolololololo \n");
+ printf("lollllool PADDING WTF :O lolololololo \n");
+#endif
u8 address = usb_next_address();
- dev->bMaxPacketSize0 = (u8) buf[7] ? (u8) buf[7] : 1; //dirty? /* setup real ep0 fifo size */
- devdescr_size = (u8) buf[0]; /* save real length of device descriptor */
-
- /* define new adress */
- usb_control_msg(dev, 0x00, SET_ADDRESS, address << 8, 0, 0, buf, 8, 0);
+ ret = usb_set_address(dev, address);
dev->address = address;
+ printf("set address to %d\n", dev->address);
- /* get complete device descriptor */
- usb_control_msg(dev, 0x80, GET_DESCRIPTOR, 1, 0, devdescr_size, buf, 8,
- 0);
-
- /* save only really neccessary values for this small usbstack */
- dev->bDeviceClass = (u8) buf[4];
- dev->bDeviceSubClass = (u8) buf[5];
- dev->bDeviceProtocoll = (u8) buf[6];
- dev->idVendor = (u16) (buf[9] << 8) | (buf[8]);
- dev->idProduct = (u16) (buf[11] << 8) | (buf[10]);
- dev->bcdDevice = (u16) (buf[13] << 8) | (buf[12]);
-
- printf( "bDeviceClass 0x%02X\n"
- "bDeviceSubClass 0x%02X\n"
- "bDeviceProtocoll 0x%02X\n"
- "idVendor 0x%04X\n"
- "idProduct 0x%04X\n"
- "bcdDevice 0x%04X\n", dev->bDeviceClass,
- dev->bDeviceSubClass, dev->bDeviceProtocoll,
- dev->idVendor, dev->idProduct, dev->bcdDevice);
- /* for lewurms keyboard it should be:
- * bDeviceClass 0
- * bDeviceSubClass 0
- * bDeviceClass 0
- * idVendor 0x049f
- * idProduct 0x000e
- * bcdDevice 1.00
- */
-
+ /* get device descriptor&co */
+ ret = usb_get_desc_dev(dev);
+ if(ret < 0)
+ return (void*) -1;
- // string descriptoren werden nicht im arbeitsspeicher gehalten -> on demand mit
- // entprechenden funktionen
- // hier muss man noch mehr abholen, konfigurationene, interfaces und endpunkte
+ /* print device info */
+ lsusb(dev);
/* add device to device list */
- element *tmp = (element *) malloc(sizeof(element));
+ struct element *tmp = (struct element *) malloc(sizeof(struct element));
tmp->data = (void *) dev;
list_add_tail(core.devices, tmp);
usb_probe_driver();
-#endif
return dev;
}
+void lsusb(struct usb_device *dev)
+{
+ printf("=== Device Descriptor === \n");
+ printf("bLength 0x%02X\n", dev->bLength);
+ printf("bDescriptorType 0x%02X\n", dev->bDeviceClass);
+ printf("bcdUSB 0x%04X\n", dev->bcdUSB);
+ printf("bDeviceClass 0x%02X\n", dev->bDeviceClass);
+ printf("bDeviceSubClass 0x%02X\n", dev->bDeviceSubClass);
+ printf("bDeviceProtocoll 0x%02X\n", dev->bDeviceProtocoll);
+ printf("bMaxPacketSize 0x%02X\n", dev->bMaxPacketSize0);
+ printf("idVendor 0x%04X\n", dev->idVendor);
+ printf("idProduct 0x%04X\n", dev->idProduct);
+ printf("bcdDevice 0x%04X\n", dev->bcdDevice);
+ printf("iManufacturer(0x%02X): \"%s\"\n", dev->iManufacturer, dev->iManufacturer ? usb_get_string_simple(dev, dev->iManufacturer) : "no String");
+ printf("iProduct(0x%02X): \"%s\"\n", dev->iProduct, dev->iProduct ? usb_get_string_simple(dev, dev->iProduct) : "no String");
+ printf("iSerialNumber(0x%02X): \"%s\"\n", dev->iSerialNumber, dev->iSerialNumber ? usb_get_string_simple(dev, dev->iSerialNumber) : "no String");
+ printf("bNumConfigurations 0x%02X\n", dev->bNumConfigurations);
+
+ u8 c, i, e;
+ struct usb_conf *conf = dev->conf;
+ for(c=0; c <= dev->bNumConfigurations; c++) {
+ printf(" === Configuration Descriptor %d ===\n", c+1);
+ printf(" bLength 0x%02X\n", conf->bLength);
+ printf(" bDescriptorType 0x%02X\n", conf->bDescriptorType);
+ printf(" wTotalLength 0x%04X\n", conf->wTotalLength);
+ printf(" bNumInterfaces 0x%02X\n", conf->bNumInterfaces);
+ printf(" bConfigurationValue 0x%02X\n", conf->bConfigurationValue);
+ printf(" iConfiguration (0x%02X): \"%s\"\n", conf->iConfiguration, conf->iConfiguration ? usb_get_string_simple(dev, conf->iConfiguration) : "no String");
+ printf(" bmAttributes 0x%02X\n", conf->bmAttributes);
+ printf(" bMaxPower 0x%02X\n", conf->bMaxPower);
+
+ struct usb_intf *ifs = conf->intf;
+ for(i=1; i <= conf->bNumInterfaces; i++) {
+ printf(" === Interface Descriptor %d ===\n", i);
+ printf(" bLength 0x%02X\n", ifs->bLength);
+ printf(" bDescriptorType 0x%02X\n", ifs->bDescriptorType);
+ printf(" bInterfaceNumber 0x%02X\n", ifs->bInterfaceNumber);
+ printf(" bAlternateSetting 0x%02X\n", ifs->bAlternateSetting);
+ printf(" bNumEndpoints 0x%02X\n", ifs->bNumEndpoints);
+ printf(" bInterfaceClass 0x%02X\n", ifs->bInterfaceClass);
+ printf(" bInterfaceSubClass 0x%02X\n", ifs->bInterfaceSubClass);
+ printf(" bInterfaceProtocol 0x%02X\n", ifs->bInterfaceProtocol);
+ printf(" iInterface (0x%02X): \"%s\"\n", ifs->iInterface, ifs->iInterface ? usb_get_string_simple(dev, ifs->iInterface) : "no String");
+
+ struct usb_endp *ed = ifs->endp;
+ for(e=1; e <= ifs->bNumEndpoints; e++) {
+ printf(" === Endpoint Descriptor %d ===\n", e);
+ printf(" bLength 0x%02X\n", ed->bLength);
+ printf(" bDescriptorType 0x%02X\n", ed->bDescriptorType);
+ printf(" bEndpointAddress 0x%02X\n", ed->bEndpointAddress);
+ printf(" bmAttributes 0x%02X\n", ed->bmAttributes);
+ printf(" wMaxPacketSize 0x%02X\n", ed->wMaxPacketSize);
+ printf(" bInterval 0x%02X\n", ed->bInterval);
+
+ ed = ed->next;
+ } //endpoint
+
+ ifs = ifs->next;
+ } //interface
+
+ conf = conf->next;
+ } //configuration
+}
+
/**
* Find currently detached device and remove
* data structures
*/
-u8 usb_remove_device(usb_device * dev)
+u8 usb_remove_device(struct usb_device * dev)
{
// FIXME!!!! dieser quatsch ist nur temporaer
free(core.devices->head);
/**
* Register new driver at usb stack.
*/
-u8 usb_register_driver(usb_driver * dev)
+u8 usb_register_driver(struct usb_driver *dev)
{
/* add driver to driver list */
- element *tmp = (element *) malloc(sizeof(element));
+ struct element *tmp = (struct element *) malloc(sizeof(struct element));
tmp->data = (void *) dev;
tmp->next = NULL;
list_add_tail(core.drivers, tmp);
-
/**
* first check to find a suitable device
* (root hub drivers need this call here)
void usb_probe_driver()
{
// call ever registered driver
- usb_driver *drv;
- element *iterator = core.drivers->head;
+ struct usb_driver *drv;
+ struct element *iterator = core.drivers->head;
while (iterator != NULL) {
- drv = (usb_driver *) iterator->data;
+ drv = (struct usb_driver *) iterator->data;
drv->probe();
iterator = iterator->next;
}
/**
* Not implemented.
*/
-usb_irp *usb_get_irp()
+struct usb_irp *usb_get_irp()
{
return 0;
}
/**
* Not implemented.
*/
-u8 usb_remove_irp(usb_irp * irp)
+u8 usb_remove_irp(struct usb_irp *irp)
{
return 1;
* In the usbstack they are transported with the
* usb_transfer_descriptor data structure.
*/
-u16 usb_submit_irp(usb_irp *irp)
+u16 usb_submit_irp(struct usb_irp *irp)
{
- usb_transfer_descriptor *td;
+ struct usb_transfer_descriptor *td;
u8 runloop = 1;
u16 restlength = irp->len;
- char *td_buf_ptr = irp->buffer;
- char mybuf[64];
+ u8 *td_buf_ptr = irp->buffer;
+ u8 mybuf[64];
- //u8 togl=irp->dev->epTogl[(irp->endpoint & 0x7F)];
u8 togl = irp->dev->epTogl[(irp->endpoint & 0x7F)];
- //u8 togl=0;
switch (irp->type) {
case USB_CTRL:
-
/* alle requests mit dem gleichen algorithmus zerteilen
* das einzige ist der spezielle get_Device_descriptor request
* bei dem eine laenge von 64 angegeben ist.
* dann reichen die ersten 8 byte.
*/
- /***************** Setup Stage ***********************/
+ /***************** Setup Stage ***********************/
td = usb_create_transfer_descriptor(irp);
td->pid = USB_PID_SETUP;
td->buffer = irp->buffer;
- td->actlen = 64; /* control message are always 8 bytes */
- memcpy(mybuf, td->buffer, td->actlen);
- togl = 0;
- td->togl = togl; /* start with data0 */
-#if 0
- if (togl == 0)
- togl = 1;
- else
- togl = 0;
-#endif
- /**** send token ****/
- printf("togl: %d\n", togl);
- hcdi_enqueue(td);
- break;
-#if 0
- memcpy(td->buffer, mybuf, td->actlen);
-#endif
+ /* control message are always 8 bytes */
+ td->actlen = 8;
- /***************** Data Stage ***********************/
- /**
- * You can see at bit 7 of bmRequestType if this stage is used,
- * default requests are always 8 byte greate, from
- * host to device. Stage 3 is only neccessary if the request
- * expected datas from the device.
- * bit7 - 1 = from device to host -> yes we need data stage
- * bit7 - 0 = from host to device -> no send zero packet
- *
- * nach einem setup token kann nur ein IN token in stage 3 folgen
- * nie aber ein OUT. Ein Zero OUT wird nur als Bestaetigung benoetigt.
- *
- *
- * bit7 = 1
- * Device to Host
- * - es kommen noch Daten mit PID_IN an
- * - host beendet mit PID_OUT DATA1 Zero
- * bit7 - 0
- * Host zu Device (wie set address)
- * - device sendet ein PID_IN DATA1 Zero Packet als bestaetigung
- */
- usb_device_request *setup = (usb_device_request *) irp->buffer;
+ togl = 0;
+ /* start with data0 */
+ td->togl = togl;
+ togl = togl ? 0 : 1;
+
+ /**** send token ****/
+ hcdi_enqueue(td, irp->dev->ohci);
+
+ /***************** Data Stage ***********************/
+ /**
+ * You can see at bit 7 of bmRequestType if this stage is used,
+ * default requests are always 8 byte greate, from
+ * host to device. Stage 3 is only neccessary if the request
+ * expected datas from the device.
+ * bit7 - 1 = from device to host -> yes we need data stage
+ * bit7 - 0 = from host to device -> no send zero packet
+ *
+ * nach einem setup token kann nur ein IN token in stage 3 folgen
+ * nie aber ein OUT. Ein Zero OUT wird nur als Bestaetigung benoetigt.
+ *
+ *
+ * bit7 = 1
+ * Device to Host
+ * - es kommen noch Daten mit PID_IN an
+ * - host beendet mit PID_OUT DATA1 Zero
+ * bit7 - 0
+ * Host zu Device (wie set address)
+ * - device sendet ein PID_IN DATA1 Zero Packet als bestaetigung
+ */
+ memcpy(mybuf, irp->buffer, td->actlen);
+ usb_device_request *setup = (usb_device_request *) mybuf;
u8 bmRequestType = setup->bmRequestType;
+ free(td);
- if (bmRequestType & 0x80) { /* check bit 7 of bmRequestType */
-
+ /* check bit 7 of bmRequestType */
+ if (bmRequestType & 0x80) {
/* schleife die die tds generiert */
- while (runloop) {
+ while (runloop && (restlength > 0)) {
td = usb_create_transfer_descriptor(irp);
td->actlen = irp->epsize;
/* stop loop if all bytes are send */
- if (restlength <= irp->epsize) {
+ if (restlength < irp->epsize) {
runloop = 0;
td->actlen = restlength;
}
td->buffer = td_buf_ptr;
/* move pointer for next packet */
- td_buf_ptr = td_buf_ptr + irp->epsize;
+ td_buf_ptr += irp->epsize;
td->pid = USB_PID_IN;
td->togl = togl;
- if (togl == 0)
- togl = 1;
- else
- togl = 0;
+ togl = togl ? 0 : 1;
/* wenn device descriptor von adresse 0 angefragt wird werden nur
* die ersten 8 byte abgefragt
*/
- if (setup->bRequest == GET_DESCRIPTOR && (setup->wValue >> 8) == 1
+ if (setup->bRequest == GET_DESCRIPTOR && (setup->wValue & 0xff) == 1
&& td->devaddress == 0) {
- runloop = 0; /* stop loop */
+ /* stop loop */
+ runloop = 0;
}
- /**** send token ****/
- printf("togl: %d\n", togl);
- hcdi_enqueue(td);
+ /**** send token ****/
+ hcdi_enqueue(td, irp->dev->ohci);
/* pruefe ob noch weitere Pakete vom Device abgeholt werden muessen */
restlength = restlength - irp->epsize;
+ free(td);
}
}
- /***************** Status Stage ***********************/
+ /***************** Status Stage ***********************/
/* Zero packet for end */
td = usb_create_transfer_descriptor(irp);
td->togl = 1; /* zero data packet = always DATA1 packet */
td->actlen = 0;
td->buffer = NULL;
- /**
- * bit7 = 1, host beendet mit PID_OUT DATA1 Zero
- * bit7 = 0, device sendet ein PID_IN DATA1 Zero Packet als bestaetigung
- */
- if (bmRequestType & 0x80) { /* check bit 7 of bmRequestType */
+ /**
+ * bit7 = 1, host beendet mit PID_OUT DATA1 Zero
+ * bit7 = 0, device sendet ein PID_IN DATA1 Zero Packet als bestaetigung
+ */
+ /* check bit 7 of bmRequestType */
+ if (bmRequestType & 0x80) {
td->pid = USB_PID_OUT;
} else {
td->pid = USB_PID_IN;
}
- /**** send token ****/
- printf("togl: %d\n", togl);
- hcdi_enqueue(td);
+ /**** send token ****/
+ hcdi_enqueue(td, irp->dev->ohci);
free(td);
-
-
break;
- case USB_BULK:
- core.stdout("bulk\r\n");
+ case USB_BULK:
//u8 runloop=1;
//u16 restlength = irp->len;
//char * td_buf_ptr=irp->buffer;
/* schleife die die tds generiert */
while (runloop) {
-
td = usb_create_transfer_descriptor(irp);
td->endpoint = td->endpoint & 0x7F; /* clear direction bit */
td_buf_ptr = td_buf_ptr + irp->epsize;
td->togl = togl;
- if (togl == 0)
- togl = 1;
- else
- togl = 0;
+ togl = togl ? 0 : 1;
/**** send token ****/
- printf("togl: %d\n", togl);
- hcdi_enqueue(td);
+ hcdi_enqueue(td, irp->dev->ohci);
free(td);
}
/* next togl */
irp->dev->epTogl[(irp->endpoint & 0x7F)] = togl;
break;
+
+ case USB_INTR:
+ //u8 runloop=1;
+ //u16 restlength = irp->len;
+ //char * td_buf_ptr=irp->buffer;
+
+ /* schleife die die tds generiert */
+ while (runloop && (restlength > 0)) {
+ td = usb_create_transfer_descriptor(irp);
+ /* max packet size for given endpoint */
+ td->actlen = irp->epsize;
+
+ td->pid = USB_PID_IN;
+ /* TODO: USB_PID_OUT */
+
+ /* stop loop if all bytes are send */
+ if (restlength < irp->epsize) {
+ runloop = 0;
+ td->actlen = restlength;
+ }
+
+ td->buffer = td_buf_ptr;
+ /* move pointer for next packet */
+ td_buf_ptr += irp->epsize;
+
+ td->togl = togl;
+ togl = togl ? 0 : 1;
+
+ /**** send token ****/
+ hcdi_enqueue(td, irp->dev->ohci);
+ restlength = restlength - irp->epsize;
+ free(td);
+ }
+ break;
+ irp->dev->epTogl[(irp->endpoint & 0x7F)] = togl;
}
+ hcdi_fire(irp->dev->ohci);
return 1;
}
/**
* Create a transfer descriptor with an parent irp.
*/
-usb_transfer_descriptor *usb_create_transfer_descriptor(usb_irp * irp)
+struct usb_transfer_descriptor *usb_create_transfer_descriptor(struct usb_irp * irp)
{
- usb_transfer_descriptor *td =
- (usb_transfer_descriptor *) malloc(sizeof(usb_transfer_descriptor));
+ struct usb_transfer_descriptor *td =
+ (struct usb_transfer_descriptor *) malloc(sizeof(struct usb_transfer_descriptor));
td->devaddress = irp->dev->address;
td->endpoint = irp->endpoint;
td->iso = 0;
td->state = USB_TRANSFER_DESCR_NONE;
td->maxp = irp->epsize;
+ td->fullspeed = irp->dev->fullspeed;
+ td->type = irp->type;
return td;
}