/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note :
*
*
************************************************************************************************************
*/
static int sunxi_pburn_nonstandard_req_op(uint cmd, struct usb_device_request *req, uchar *buffer, uint data_status)
{
int ret = SUNXI_USB_REQ_SUCCESSED;
switch(req->bmRequestType) //PBURN 特有请求
{
case 161:
if(req->bRequest == 0xFE)
{
sunxi_usb_dbg("pburn ask for max lun\n");
buffer[0] = 0;
sunxi_udc_send_setup(1, buffer);
}
else
{
printf("sunxi usb err: unknown ep0 req in pburn\n");
ret = SUNXI_USB_REQ_DEVICE_NOT_SUPPORTED;
}
break;
default:
printf("sunxi usb err: unknown non standard ep0 req\n");
ret = SUNXI_USB_REQ_DEVICE_NOT_SUPPORTED;
break;
}
return ret;
}
/*
*******************************************************************************
* __usb_get_status
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
static int __usb_get_status(struct usb_device_request *req, uchar *buffer)
{
unsigned char bLength = 0;
sunxi_usb_dbg("get status\n");
if(0 == req->wLength)
{
/* sent zero packet */
sunxi_udc_send_setup(0, NULL);
return SUNXI_USB_REQ_OP_ERR;
}
bLength = MIN(req->wValue, 2);
buffer[0] = 1;
buffer[1] = 0;
sunxi_udc_send_setup(bLength, buffer);
return SUNXI_USB_REQ_SUCCESSED;
}
/*
*******************************************************************************
* do_usb_req_get_descriptor
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
static int __usb_get_descriptor(struct usb_device_request *req, uchar *buffer)
{
int ret = SUNXI_USB_REQ_SUCCESSED;
//获取描述符
switch(req->wValue >> 8)
{
case USB_DT_DEVICE: //设备描述符
{
struct usb_device_descriptor *dev_dscrptr;
sunxi_usb_dbg("get device descriptor\n");
dev_dscrptr = (struct usb_device_descriptor *)buffer;
memset((void *)dev_dscrptr, 0, sizeof(struct usb_device_descriptor));
dev_dscrptr->bLength = MIN(req->wLength, sizeof (struct usb_device_descriptor));
dev_dscrptr->bDescriptorType = USB_DT_DEVICE;
#ifdef CONFIG_USB_1_1_DEVICE
dev_dscrptr->bcdUSB = 0x110;
#else
dev_dscrptr->bcdUSB = 0x200;
#endif
dev_dscrptr->bDeviceClass = 0xff; //设备类：大容量存储
dev_dscrptr->bDeviceSubClass = 0xff;
dev_dscrptr->bDeviceProtocol = 0xff;
dev_dscrptr->bMaxPacketSize0 = 0x40;
dev_dscrptr->idVendor = DEVICE_VENDOR_ID;
dev_dscrptr->idProduct = DEVICE_PRODUCT_ID;
dev_dscrptr->bcdDevice = DEVICE_BCD;
dev_dscrptr->iManufacturer = SUNXI_FASTBOOT_DEVICE_STRING_MANUFACTURER_INDEX;
dev_dscrptr->iProduct = SUNXI_FASTBOOT_DEVICE_STRING_PRODUCT_INDEX;
dev_dscrptr->iSerialNumber = SUNXI_FASTBOOT_DEVICE_STRING_SERIAL_NUMBER_INDEX;
dev_dscrptr->bNumConfigurations = 1;
sunxi_udc_send_setup(dev_dscrptr->bLength, buffer);
}
break;
case USB_DT_CONFIG: //配置描述符
{
struct usb_configuration_descriptor *config_dscrptr;
struct usb_interface_descriptor *inter_dscrptr;
struct usb_endpoint_descriptor *ep_in, *ep_out;
unsigned char bytes_remaining = req->wLength;
unsigned char bytes_total = 0;
sunxi_usb_dbg("get config descriptor\n");
bytes_total = sizeof (struct usb_configuration_descriptor) + \
sizeof (struct usb_interface_descriptor) + \
sizeof (struct usb_endpoint_descriptor) + \
sizeof (struct usb_endpoint_descriptor);
memset(buffer, 0, bytes_total);
config_dscrptr = (struct usb_configuration_descriptor *)(buffer + 0);
inter_dscrptr = (struct usb_interface_descriptor *)(buffer + \
sizeof(struct usb_configuration_descriptor));
ep_in = (struct usb_endpoint_descriptor *)(buffer + \
sizeof(struct usb_configuration_descriptor) + \
sizeof(struct usb_interface_descriptor));
ep_out = (struct usb_endpoint_descriptor *)(buffer + \
sizeof(struct usb_configuration_descriptor) + \
sizeof(struct usb_interface_descriptor) + \
sizeof(struct usb_endpoint_descriptor));
/* configuration */
config_dscrptr->bLength = MIN(bytes_remaining, sizeof (struct usb_configuration_descriptor));
config_dscrptr->bDescriptorType = USB_DT_CONFIG;
config_dscrptr->wTotalLength = bytes_total;
config_dscrptr->bNumInterfaces = 1;
config_dscrptr->bConfigurationValue = 1;
config_dscrptr->iConfiguration = SUNXI_FASTBOOT_DEVICE_STRING_CONFIG_INDEX;
config_dscrptr->bmAttributes = 0xC0;
config_dscrptr->bMaxPower = 0xFA; //最大电流500ms(0xfa * 2)
bytes_remaining -= config_dscrptr->bLength;
/* interface */
inter_dscrptr->bLength = MIN (bytes_remaining, sizeof(struct usb_interface_descriptor));
inter_dscrptr->bDescriptorType = USB_DT_INTERFACE;
inter_dscrptr->bInterfaceNumber = 0x00;
inter_dscrptr->bAlternateSetting = 0x00;
inter_dscrptr->bNumEndpoints = 0x02;
inter_dscrptr->bInterfaceClass = 0xff; //fastboot storage
inter_dscrptr->bInterfaceSubClass = FASTBOOT_INTERFACE_SUB_CLASS;
inter_dscrptr->bInterfaceProtocol = FASTBOOT_INTERFACE_PROTOCOL;
inter_dscrptr->iInterface = SUNXI_FASTBOOT_DEVICE_STRING_INTERFACE_INDEX;
bytes_remaining -= inter_dscrptr->bLength;
/* ep_in */
ep_in->bLength = MIN (bytes_remaining, sizeof (struct usb_endpoint_descriptor));
ep_in->bDescriptorType = USB_DT_ENDPOINT;
ep_in->bEndpointAddress = sunxi_udc_get_ep_in_type(); /* IN */
ep_in->bmAttributes = USB_ENDPOINT_XFER_BULK;
ep_in->wMaxPacketSize = sunxi_udc_get_ep_max();
ep_in->bInterval = 0x00;
bytes_remaining -= ep_in->bLength;
/* ep_out */
ep_out->bLength = MIN (bytes_remaining, sizeof (struct usb_endpoint_descriptor));
ep_out->bDescriptorType = USB_DT_ENDPOINT;
ep_out->bEndpointAddress = sunxi_udc_get_ep_out_type(); /* OUT */
ep_out->bmAttributes = USB_ENDPOINT_XFER_BULK;
ep_out->wMaxPacketSize = sunxi_udc_get_ep_max();
ep_out->bInterval = 0x00;
bytes_remaining -= ep_out->bLength;
sunxi_udc_send_setup(MIN(req->wLength, bytes_total), buffer);
}
break;
case USB_DT_STRING:
{
unsigned char bLength = 0;
unsigned char string_index = req->wValue & 0xff;
sunxi_usb_dbg("get string descriptor\n");
/* Language ID */
if(string_index == 0)
{
bLength = MIN(4, req->wLength);
sunxi_udc_send_setup(bLength, (void *)sunxi_usb_fastboot_dev[0]);
}
else if(string_index < SUNXI_USB_FASTBOOT_DEV_MAX)
{
/* Size of string in chars */
unsigned char i = 0;
unsigned char str_length = strlen ((const char *)sunxi_usb_fastboot_dev[string_index]);
unsigned char bLength = 2 + (2 * str_length);
buffer[0] = bLength; /* length */
buffer[1] = USB_DT_STRING; /* descriptor = string */
/* Copy device string to fifo, expand to simple unicode */
for(i = 0; i < str_length; i++)
{
buffer[2+ 2*i + 0] = sunxi_usb_fastboot_dev[string_index][i];
buffer[2+ 2*i + 1] = 0;
}
bLength = MIN(bLength, req->wLength);
sunxi_udc_send_setup(bLength, buffer);
}
else
{
printf("sunxi usb err: string line %d is not supported\n", string_index);
}
}
break;
case USB_DT_DEVICE_QUALIFIER:
{
#ifdef CONFIG_USB_1_1_DEVICE
/* This is an invalid request for usb 1.1, nak it */
USBC_Dev_EpSendStall(sunxi_udc_source.usbc_hd, USBC_EP_TYPE_EP0);
#else
struct usb_qualifier_descriptor *qua_dscrpt;
sunxi_usb_dbg("get qualifier descriptor\n");
qua_dscrpt = (struct usb_qualifier_descriptor *)buffer;
memset(&buffer, 0, sizeof(struct usb_qualifier_descriptor));
qua_dscrpt->bLength = MIN(req->wLength, sizeof(sizeof(struct usb_qualifier_descriptor)));
qua_dscrpt->bDescriptorType = USB_DT_DEVICE_QUALIFIER;
qua_dscrpt->bcdUSB = 0x200;
qua_dscrpt->bDeviceClass = 0xff;
qua_dscrpt->bDeviceSubClass = 0xff;
qua_dscrpt->bDeviceProtocol = 0xff;
qua_dscrpt->bMaxPacketSize0 = 0x40;
qua_dscrpt->bNumConfigurations = 1;
qua_dscrpt->bRESERVED = 0;
sunxi_udc_send_setup(qua_dscrpt->bLength, buffer);
#endif
}
break;
default:
printf("err: unkown wValue(%d)\n", req->wValue);
ret = SUNXI_USB_REQ_OP_ERR;
}
return ret;
}
/*
*******************************************************************************
* do_usb_req_get_descriptor
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
static int __usb_get_descriptor(struct usb_device_request *req, uchar *buffer)
{
int ret = SUNXI_USB_REQ_SUCCESSED;
//获取描述符
switch(req->wValue >> 8)
{
case USB_DT_DEVICE: //设备描述符
{
struct usb_device_descriptor *dev_dscrptr;
sunxi_usb_dbg("get device descriptor\n");
dev_dscrptr = (struct usb_device_descriptor *)buffer;
memset((void *)dev_dscrptr, 0, sizeof(struct usb_device_descriptor));
dev_dscrptr->bLength = MIN(req->wLength, sizeof (struct usb_device_descriptor));
dev_dscrptr->bDescriptorType = USB_DT_DEVICE;
#ifdef CONFIG_USB_1_1_DEVICE
dev_dscrptr->bcdUSB = 0x110;
#else
dev_dscrptr->bcdUSB = 0x200;
#endif
dev_dscrptr->bDeviceClass = 0;
dev_dscrptr->bDeviceSubClass = 0;
dev_dscrptr->bDeviceProtocol = 0;
dev_dscrptr->bMaxPacketSize0 = 0x40;
dev_dscrptr->idVendor = DRIVER_VENDOR_ID;
dev_dscrptr->idProduct = DRIVER_PRODUCT_ID;
dev_dscrptr->bcdDevice = 0xffff;
//ignored
//dev_dscrptr->iManufacturer = SUNXI_USB_STRING_IMANUFACTURER;
//dev_dscrptr->iProduct = SUNXI_USB_STRING_IPRODUCT;
//dev_dscrptr->iSerialNumber = SUNXI_USB_STRING_ISERIALNUMBER;
dev_dscrptr->iManufacturer = 0;
dev_dscrptr->iProduct = 0;
dev_dscrptr->iSerialNumber = 0;
dev_dscrptr->bNumConfigurations = 1;
sunxi_udc_send_setup(dev_dscrptr->bLength, buffer);
}
break;
case USB_DT_CONFIG: //配置描述符
{
struct usb_configuration_descriptor *config_dscrptr;
struct usb_interface_descriptor *inter_dscrptr;
struct usb_endpoint_descriptor *ep_in, *ep_out;
unsigned char bytes_remaining = req->wLength;
unsigned char bytes_total = 0;
sunxi_usb_dbg("get config descriptor\n");
bytes_total = sizeof (struct usb_configuration_descriptor) + \
sizeof (struct usb_interface_descriptor) + \
sizeof (struct usb_endpoint_descriptor) + \
sizeof (struct usb_endpoint_descriptor);
memset(buffer, 0, bytes_total);
config_dscrptr = (struct usb_configuration_descriptor *)(buffer + 0);
inter_dscrptr = (struct usb_interface_descriptor *)(buffer + \
sizeof(struct usb_configuration_descriptor));
ep_in = (struct usb_endpoint_descriptor *)(buffer + \
sizeof(struct usb_configuration_descriptor) + \
sizeof(struct usb_interface_descriptor));
ep_out = (struct usb_endpoint_descriptor *)(buffer + \
sizeof(struct usb_configuration_descriptor) + \
sizeof(struct usb_interface_descriptor) + \
sizeof(struct usb_endpoint_descriptor));
/* configuration */
config_dscrptr->bLength = MIN(bytes_remaining, sizeof (struct usb_configuration_descriptor));
config_dscrptr->bDescriptorType = USB_DT_CONFIG;
config_dscrptr->wTotalLength = bytes_total;
config_dscrptr->bNumInterfaces = 1;
config_dscrptr->bConfigurationValue = 1;
config_dscrptr->iConfiguration = 0;
config_dscrptr->bmAttributes = 0x80; //not self powered
config_dscrptr->bMaxPower = 0xFA; //最大电流500ms(0xfa * 2)
bytes_remaining -= config_dscrptr->bLength;
/* interface */
inter_dscrptr->bLength = MIN (bytes_remaining, sizeof(struct usb_interface_descriptor));
inter_dscrptr->bDescriptorType = USB_DT_INTERFACE;
inter_dscrptr->bInterfaceNumber = 0x00;
inter_dscrptr->bAlternateSetting = 0x00;
inter_dscrptr->bNumEndpoints = 0x02;
inter_dscrptr->bInterfaceClass = 0xff;
inter_dscrptr->bInterfaceSubClass = 0xff;
inter_dscrptr->bInterfaceProtocol = 0xff;
inter_dscrptr->iInterface = 0;
bytes_remaining -= inter_dscrptr->bLength;
/* ep_in */
ep_in->bLength = MIN (bytes_remaining, sizeof (struct usb_endpoint_descriptor));
ep_in->bDescriptorType = USB_DT_ENDPOINT;
ep_in->bEndpointAddress = sunxi_udc_get_ep_in_type(); /* IN */
ep_in->bmAttributes = USB_ENDPOINT_XFER_BULK;
ep_in->wMaxPacketSize = sunxi_udc_get_ep_max();
ep_in->bInterval = 0x00;
bytes_remaining -= ep_in->bLength;
/* ep_out */
ep_out->bLength = MIN (bytes_remaining, sizeof (struct usb_endpoint_descriptor));
ep_out->bDescriptorType = USB_DT_ENDPOINT;
ep_out->bEndpointAddress = sunxi_udc_get_ep_out_type(); /* OUT */
ep_out->bmAttributes = USB_ENDPOINT_XFER_BULK;
ep_out->wMaxPacketSize = sunxi_udc_get_ep_max();
ep_out->bInterval = 0x00;
bytes_remaining -= ep_out->bLength;
sunxi_udc_send_setup(MIN(req->wLength, bytes_total), buffer);
}
break;
case USB_DT_STRING:
{
unsigned char bLength = 0;
unsigned char string_index = req->wValue & 0xff;
sunxi_usb_dbg("get string descriptor\n");
/* Language ID */
if(string_index == 0)
{
bLength = MIN(4, req->wLength);
buffer[0] = bLength;
buffer[1] = USB_DT_STRING;
buffer[2] = 9;
buffer[3] = 4;
sunxi_udc_send_setup(bLength, (void *)buffer);
}
else
{
printf("sunxi usb err: string line %d is not supported\n", string_index);
}
}
break;
case USB_DT_DEVICE_QUALIFIER:
{
#ifdef CONFIG_USB_1_1_DEVICE
/* This is an invalid request for usb 1.1, nak it */
USBC_Dev_EpSendStall(sunxi_udc_source.usbc_hd, USBC_EP_TYPE_EP0);
#else
struct usb_qualifier_descriptor *qua_dscrpt;
sunxi_usb_dbg("get qualifier descriptor\n");
qua_dscrpt = (struct usb_qualifier_descriptor *)buffer;
memset(&buffer, 0, sizeof(struct usb_qualifier_descriptor));
qua_dscrpt->bLength = MIN(req->wLength, sizeof(sizeof(struct usb_qualifier_descriptor)));
qua_dscrpt->bDescriptorType = USB_DT_DEVICE_QUALIFIER;
qua_dscrpt->bcdUSB = 0x200;
qua_dscrpt->bDeviceClass = 0xff;
qua_dscrpt->bDeviceSubClass = 0xff;
qua_dscrpt->bDeviceProtocol = 0xff;
qua_dscrpt->bMaxPacketSize0 = 0x40;
qua_dscrpt->bNumConfigurations = 1;
qua_dscrpt->breserved = 0;
sunxi_udc_send_setup(qua_dscrpt->bLength, buffer);
#endif
}
break;
default:
printf("err: unkown wValue(%d)\n", req->wValue);
ret = SUNXI_USB_REQ_OP_ERR;
}
return ret;
}