kolibrios-gitea/drivers/usb/uhci/hid.inc

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