383 lines
11 KiB
C++
383 lines
11 KiB
C++
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struct hid_class_descriptor {
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u8_t bDescriptorType;
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u16_t wDescriptorLength;
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} __attribute__ ((packed));
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struct hid_descriptor {
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u8_t bLength;
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u8_t bDescriptorType;
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u16_t bcdHID;
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u8_t bCountryCode;
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u8_t bNumDescriptors;
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struct hid_class_descriptor desc[1];
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} __attribute__ ((packed));
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void create_hid_mouse(udev_t *dev, endpoint_descr_t *en_d);
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void create_hid_keyboard(udev_t *dev, endpoint_descr_t *en_d);
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bool init_hid(udev_t *dev)
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{
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interface_descr_t *interface;
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struct hid_descriptor *hds;
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struct hid_class_descriptor *hidclass;
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u8_t *dptr = (u8_t*)dev->conf;
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int i=0, j=0;
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dbgprintf( "init hid device\n");
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dptr+= dev->conf->bLength;
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// for(i = 0; i < dev->conf->bNumInterfaces; i++)
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// {
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interface = (interface_descr_t*)dptr;
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dptr+= interface->bLength;
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dbgprintf("interface %d\n\n"
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"bLength %d\n"
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"bDescriptorType %d\n"
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"bInterfaceNumber %d\n"
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"bAlternateSetting %d\n"
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"bNumEndpoints %d\n"
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"bInterfaceClass %d\n"
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"bInterfaceSubClass %d\n"
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"bInterfaceProtocol %d\n"
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"iInterface %d\n\n",
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i+1,
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interface->bLength,
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interface->bDescriptorType,
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interface->bInterfaceNumber,
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interface->bAlternateSetting,
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interface->bNumEndpoints,
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interface->bInterfaceClass,
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interface->bInterfaceSubClass,
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interface->bInterfaceProtocol,
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interface->iInterface);
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hds = (struct hid_descriptor*) dptr;
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dbgprintf("hid descriptor\n\n"
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"bLength %d\n"
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"bDescriptorType %d\n"
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"bcdHID %x\n"
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"bCountryCode %d\n"
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"bNumDescriptors %d\n",
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hds->bLength,
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hds->bDescriptorType,
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hds->bcdHID,
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hds->bCountryCode,
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hds->bNumDescriptors);
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for(j=0; j < hds->bNumDescriptors; j++)
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{
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dbgprintf("bDescriptorType %d\n"
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"wDescriptorLength %d\n",
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hds->desc[j].bDescriptorType,
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hds->desc[j].wDescriptorLength);
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};
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dptr+= hds->bLength;
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endpoint_descr_t *ep;
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ep = (endpoint_descr_t*)dptr;
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dbgprintf("\nendpoint\n\n"
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"bLength %d\n"
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"bDescriptorType %d\n"
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"bEndpointAddress %d\n"
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"bmAttributes %d\n"
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"wMaxPacketSize %d\n"
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"bInterval %d\n",
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ep->bLength, ep->bDescriptorType,
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ep->bEndpointAddress, ep->bmAttributes,
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ep->wMaxPacketSize, ep->bInterval);
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dptr+= ep->bLength;
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switch(interface->bInterfaceProtocol)
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{
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case 1:
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create_hid_keyboard(dev, ep);
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break;
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case 2:
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create_hid_mouse(dev, ep);
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break;
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}
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// }
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return true;
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};
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bool mouse_handler(udev_t *dev, struct tag_request *rq)
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{
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td_t *td;
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qh_t *qh;
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td = rq->td_head;
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if( (td->status &0x7FF)==rq->size-1)
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{
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struct boot_packet *pkt;
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pkt = (struct boot_packet *)rq->data;
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SetMouseData(pkt->buttons, pkt->x, -pkt->y, -pkt->z, 0);
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memset(pkt,0, sizeof(*pkt));
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};
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td->status = TD_CTRL_ACTIVE | TD_CTRL_IOC | dev->speed;
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td->token ^= DATA1;
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u32_t efl = safe_cli();
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list_add_tail(&rq->list, &dev->host->rq_list);
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qh = dev->host->qh[rq->qnum];
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qh->qelem = rq->td_head->dma;
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mb();
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safe_sti(efl);
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return true;
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};
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typedef union
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{
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uint16_t value;
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struct
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{
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uint8_t code;
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uint8_t ecode;
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};
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}scancode_t;
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static const uint16_t usb_keycode[256] =
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{
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/* 0 1 2 3 4 5 6 7 */
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/* 8 9 A B C D E F */
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0x0000, 0x0000, 0x0000, 0x0000, 0x001E, 0x0030, 0x002E, 0x0020, /* 0x00 */
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0x0012, 0x0021, 0x0022, 0x0023, 0x0017, 0x0024, 0x0025, 0x0026,
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0x0032, 0x0031, 0x0018, 0x0019, 0x0010, 0x0013, 0x001F, 0x0014, /* 0x10 */
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0x0016, 0x002F, 0x0011, 0x002D, 0x0015, 0x002C, 0x0002, 0x0003,
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0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000A, 0x000B, /* 0x20 */
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0x001C, 0x0001, 0x000E, 0x000F, 0x0039, 0x000C, 0x000D, 0x001A,
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0x001B, 0x002B, 0x002B, 0x0027, 0x0028, 0x0029, 0x0033, 0x0034, /* 0x30 */
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0x0035, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F, 0x0040,
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0x0041, 0x0042, 0x0043, 0x0044, 0x0057, 0x0058, 0xE037, 0x0046, /* 0x40 */
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0x0000, 0xE052, 0xE047, 0xE049, 0xE053, 0xE04F, 0xE051, 0xE04D,
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0xE04B, 0xE050, 0xE048, 0x0045, 0xE035, 0x0037, 0x004A, 0x004E, /* 0x50 */
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0xE01C, 0x004F, 0x0050, 0x0051, 0x004B, 0x004C, 0x004D, 0x0047,
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0x0048, 0x0049, 0x0052, 0x0053, 0x0056, 0xE05D, 0xE05E, 0x0059, /* 0x60 */
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0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006A, 0x006B,
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0x006C, 0x006D, 0x006E, 0x0076, 0x0000, 0x0000, 0x0000, 0x0000, /* 0x70 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x007E, 0x0000, 0x0073, /* 0x80 */
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0x0070, 0x007D, 0x0079, 0x007B, 0x005C, 0x0000, 0x0000, 0x0000,
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0x00F2, 0x00F1, 0x0078, 0x0077, 0x0076, 0x0000, 0x0000, 0x0000, /* 0x90 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0xA0 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0xB0 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0xC0 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0xD0 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x001D, 0x002A, 0x0038, 0xE05B, 0xE01D, 0x0036, 0xE038, 0xE05C, /* 0xE0 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /* 0xFE0 */
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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};
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static uint8_t kbd_old[8];
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bool keyboard_handler(udev_t *dev, struct tag_request *rq)
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{
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td_t *td;
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qh_t *qh;
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uint8_t *data;
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int i;
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td = rq->td_head;
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if( (td->status &0x7FF)==rq->size-1)
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{
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uint8_t action;
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scancode_t scan;
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data = (uint8_t*)rq->data;
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action = data[0] ^ kbd_old[0];
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for (i = 0; i < 8; i++)
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{
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if(action & 1)
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{
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scan.value = usb_keycode[i+224];
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if(data[0]>>i & 1)
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{
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if(scan.ecode)
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SetKeyboardData(scan.ecode);
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SetKeyboardData(scan.code);
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}
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else
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{
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if(scan.ecode)
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SetKeyboardData(scan.ecode);
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SetKeyboardData(scan.code|0x80);
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};
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}
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action >>= 1;
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}
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for (i = 2; i < 8; i++)
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{
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if ((kbd_old[i] > 3) && (memscan(data+2, kbd_old[i], 6) == data+8))
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{
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scan.value = usb_keycode[kbd_old[i]];
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if (scan.value)
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{
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if(scan.ecode)
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SetKeyboardData(scan.ecode);
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SetKeyboardData(scan.code|0x80);
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// input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
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}
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else
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dbgprintf("Unknown key (scancode %#x) released.\n", kbd_old[i]);
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}
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if ((data[i] > 3) && (memscan(kbd_old+2, data[i], 6) == kbd_old+8))
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{
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scan.value = usb_keycode[data[i]];
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if (scan.value)
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{
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if(scan.ecode)
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SetKeyboardData(scan.ecode);
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SetKeyboardData(scan.code);
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//input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
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}
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else
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dbgprintf("Unknown key (scancode %#x) released.\n", data[i]);
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}
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}
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memcpy(kbd_old, data, 8);
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};
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td->status = TD_CTRL_ACTIVE | TD_CTRL_IOC | dev->speed;
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td->token ^= DATA1;
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u32_t efl = safe_cli();
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list_add_tail(&rq->list, &dev->host->rq_list);
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qh = dev->host->qh[rq->qnum];
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qh->qelem = rq->td_head->dma;
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mb();
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safe_sti(efl);
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return true;
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};
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void create_hid_mouse(udev_t *dev, endpoint_descr_t *en_d)
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{
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request_t *rq;
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endp_t enp;
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addr_t address;
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addr_t size;
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u32_t toggle;
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qh_t *qh;
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static u16_t __attribute__((aligned(16)))
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req_set_conf[4] = {0x0900,0x0001,0x0000,0x0000};
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if( !ctrl_request(dev, req_set_conf, DOUT, 0, 0))
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return;
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enp.address = en_d->bEndpointAddress;
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enp.size = en_d->wMaxPacketSize;
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enp.toggle = DATA0;
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rq = alloc_rq_buffer(dev, &enp, DIN, enp.size);
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rq->qnum = 6;
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rq->handler = &mouse_handler;
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u32_t efl = safe_cli();
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list_add_tail(&rq->list, &dev->host->rq_list);
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qh = dev->host->qh[rq->qnum];
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qh->qelem = rq->td_head->dma;
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mb();
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safe_sti(efl);
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dbgprintf("%s\n",__FUNCTION__);
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}
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void create_hid_keyboard(udev_t *dev, endpoint_descr_t *en_d)
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{
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request_t *rq;
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endp_t enp;
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addr_t address;
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addr_t size;
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u32_t toggle;
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qh_t *qh;
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static u16_t __attribute__((aligned(16)))
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req_set_conf[4] = {0x0900,0x0001,0x0000,0x0000};
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if( !ctrl_request(dev, req_set_conf, DOUT, 0, 0))
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return;
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enp.address = en_d->bEndpointAddress;
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enp.size = en_d->wMaxPacketSize;
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enp.toggle = DATA0;
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rq = alloc_rq_buffer(dev, &enp, DIN, enp.size);
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rq->qnum = 4;
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rq->handler = &keyboard_handler;
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u32_t efl = safe_cli();
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list_add_tail(&rq->list, &dev->host->rq_list);
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qh = dev->host->qh[rq->qnum];
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qh->qelem = rq->td_head->dma;
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mb();
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safe_sti(efl);
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dbgprintf("%s\n",__FUNCTION__);
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}
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void *memscan(void *addr, int c, size_t size)
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{
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if (!size)
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return addr;
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__asm__ __volatile__(
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"repnz; scasb \n\t"
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"jnz 1f \n\t"
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"dec %%edi \n\t"
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"1:"
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: "=D" (addr), "=c" (size)
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: "D" (addr), "1" (size), "a" (c)
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: "memory");
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return addr;
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}
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