Example #1
0
File: vga.c Project: 03199618/linux
bool
nv_lockvgac(void *obj, bool lock)
{
	bool locked = !nv_rdvgac(obj, 0, 0x1f);
	u8 data = lock ? 0x99 : 0x57;
	nv_wrvgac(obj, 0, 0x1f, data);
	if (nv_device(obj)->chipset == 0x11) {
		if (!(nv_rd32(obj, 0x001084) & 0x10000000))
			nv_wrvgac(obj, 1, 0x1f, data);
	}
	return locked;
}
Example #2
0
File: vga.c Project: 03199618/linux
void
nv_wrvgai(void *obj, int head, u16 port, u8 index, u8 value)
{
	if      (port == 0x03c4) nv_wrvgas(obj, head, index, value);
	else if (port == 0x03ce) nv_wrvgag(obj, head, index, value);
	else if (port == 0x03d4) nv_wrvgac(obj, head, index, value);
	else nv_error(obj, "unknown indexed vga port 0x%04x\n", port);
}
Example #3
0
bool
nv_lockvgac(void *obj, bool lock)
{
	struct nouveau_device *dev = nv_device(obj);

	bool locked = !nv_rdvgac(obj, 0, 0x1f);
	u8 data = lock ? 0x99 : 0x57;
	if (dev->card_type < NV_50)
		nv_wrvgac(obj, 0, 0x1f, data);
	else
		nv_wrvgac(obj, 0, 0x3f, data);
	if (dev->chipset == 0x11) {
		if (!(nv_rd32(obj, 0x001084) & 0x10000000))
			nv_wrvgac(obj, 1, 0x1f, data);
	}
	return locked;
}
Example #4
0
File: vga.c Project: 03199618/linux
void
nv_wrvgaowner(void *obj, u8 select)
{
	if (nv_device(obj)->card_type < NV_50) {
		u8 owner = (select == 1) ? 3 : select;
		if (nv_device(obj)->chipset == 0x11) {
			/* workaround hw lockup bug */
			nv_rdvgac(obj, 0, 0x1f);
			nv_rdvgac(obj, 1, 0x1f);
		}

		nv_wrvgac(obj, 0, 0x44, owner);

		if (nv_device(obj)->chipset == 0x11) {
			nv_wrvgac(obj, 0, 0x2e, owner);
			nv_wrvgac(obj, 0, 0x2e, owner);
		}
	} else
		nv_error(obj, "wrvgaowner after nv4x\n");
}