Adding in USB from the TempleOS supplemental discs

src/Kernel/KUSB.ZC

@@ -0,0 +1,117 @@
+
+#define USBP_CMD 0x00
+#define USBP_STS 0x02
+#define USBP_INTR 0x04
+#define USBP_FRNUM 0x06
+#define USBP_FRBASEADD 0x08
+#define USBP_SOFMOD 0x0C
+#define USBP_PORTSC0 0x10
+#define USBP_PORTSC1 0x12
+#define USB_NUM 16
+
+class CUSBTD	//Not implemented
+{
+	U32 td[4];
+};
+
+class CUSB	//Not implemented
+{
+	U8 num,	//USB dev num
+	bus, dev, fun;
+	U16 ports, pad;
+	U32 *frame_lst;
+};
+
+//USB Pkt ID's
+#define PID_OUT 0xE1
+#define PID_IN 0x69
+#define PID_SOF 0xA5
+#define PID_SETUP 0x2D
+#define PID_DATA0 0xC3
+#define PID_DATA1 0x4B
+#define PID_DATA2 0x87
+#define PID_MDATA 0x0F
+#define PID_ACK 0xD2
+#define PID_NAK 0x5A
+#define PID_STALL 0x1E
+#define PID_NYET 0x96
+#define PID_PRE 0x3C
+#define PID_ERR 0x3C
+#define PID_SPLIT 0x78
+#define PID_PING 0xB4
+
+//USB Std Rqsts
+#define RQ_GET_STAT 0x0
+#define RQ_CLR_FEAT 0x1
+#define RQ_SET_FEAT 0x3
+#define RQ_SET_ADDR 0x5
+#define RQ_SET_DESC 0x7
+#define RQ_GET_CFG 0x8
+#define RQ_SET_CFG 0x9
+#define RQ_GET_INTERFACE 0xA
+#define RQ_SET_INTERFACE 0xB
+#define RQ_SYNC_FRAME 0xC
+
+I64 sys_num_usb = 0;
+CUSB sys_usb_devs[USB_NUM];
+MemSet(sys_usb_devs, 0, USB_NUM * sizeof(CUSB));
+
+U0 USBInitOne(I64 b, I64 d, I64 f)
+{
+	CUSB *u;
+	if (sys_num_usb < USB_NUM && PCIReadU16(b, d, f, 0) == 0x8086)
+	{
+		u = &sys_usb_devs[sys_num_usb++];
+		u->num = sys_num_usb;
+		u->bus = b;
+		u->dev = d;
+		u->fun = f;
+		u->ports = PCIReadU32(b, d, f, 0x20) & ~0x1F;
+	}
+}
+
+U0 USBEndAll()
+{
+	sys_num_usb = 0;
+}
+
+U0 USBInitAll()	//This is only valid for my ICH10 dev
+{
+	if (sys_num_usb)
+		USBEndAll;
+	USBInitOne(0, 29, 0);
+	USBInitOne(0, 29, 1);
+	USBInitOne(0, 29, 2);
+	USBInitOne(0, 29, 3);
+	USBInitOne(0, 26, 0);
+	USBInitOne(0, 26, 1);
+	USBInitOne(0, 26, 2);
+}
+
+CUSBTD *USBAllocTD()
+{
+	return MAllocAligned(sizeof(CUSBTD), 0x10, dev.uncached_heap);
+}
+
+U0 USBFreeTD(CUSBTD *tmptd)
+{
+	Free(tmptd);
+}
+
+U32 *USBAllocFrameLst(I64 usb_num, I64 size)
+{
+	//aligned to 0x1000
+	CUSB *u;
+	if (0 <= usb_num < sys_num_usb)
+	{
+		u = &sys_usb_devs[usb_num];
+		Free(u->frame_lst);
+		u->frame_lst = MAllocAligned(size * sizeof(U32), 0x1000, dev.uncached_heap);
+		OutU16(u->ports + USBP_CMD, 0);	//Stop
+		OutU16(u->ports + USBP_FRNUM, 0);
+		OutU32(u->ports + USBP_FRBASEADD, u->frame_lst);
+		return u->frame_lst;
+	}
+
+	return NULL;
+}

src/System/USB.ZC

@@ -0,0 +1,217 @@
+/*
+You can play with this if you are
+interested in USB.I'm not planning
+on doing USB unless the legacy PS2
+keyboard/mouse mode disappears.
+There EHCI UHCI in various ICH chips and
+others and God knows how many custom packet
+formats for different keyboards and mice.Okay,
+I suppose if BIOS can make a universal
+packet, it is done just one way for
+different mice.PS2 is more compatible.
+
+*/
+#help_index "USB"
+extern I64 sys_num_usb;
+extern CUSB sys_usb_devs[USB_NUM];
+extern CUSBTD *USBAllocTD();
+extern U0 USBFreeTD(CUSBTD *tmptd);
+extern U0 USBEndAll();
+extern U0 USBInitAll();
+extern U32 *USBAllocFrameLst(I64 usb_num, I64 size);
+
+U8 *StatCB(CDoc *, CDocEntry *doc_e, CTask *mem_task)
+{
+	//This routine shows the stat of the USB ports
+	U8 *st = MAlloc(128, mem_task);
+	U16 w1, w2, w3, w4;
+	U32 d1;
+	CUSB *u = doc_e->user_data;
+	I64 d = u->ports;
+	w3 = InU16(d + USBP_STS);
+	w1 = InU16(d + USBP_PORTSC0);
+	w2 = InU16(d + USBP_PORTSC1);
+	w4 = InU16(d + USBP_FRNUM);
+	d1 = InU32(d + USBP_FRBASEADD);
+	StrPrint(st, "%X:Stat:%04X  P0:%04X  P1:%04X FRAME:%04X", d1, w3, w1, w2, w4);
+	return st;
+}
+
+U0 PutStat()
+{
+	I64 i;
+	CDocEntry *doc_e;
+	CUSB *u;
+	WinMax;
+
+	"$$FG,GREEN$$Dev Stat Bits\n$$FG$$"
+	"  0:IRQ\n"
+	"  1:IRQ err\n"
+	"  2:Resume\n"
+	"  3:Host Sys Err\n"
+	"  4:Host Process Err\n"
+	"  5:Halted\n"
+	"$$FG,GREEN$$Port Stat Bits\n$$FG$$"
+	"  0:Connection Stat\n"
+	"  1:Connection Stat Change\n"
+	"  2:Port Enabled\n"
+	"  3:Port Enabled Change\n"
+	"4-5:Line Stat\n"
+	"  6:Resume Detect\n"
+	"  8:Low Speed\n"
+	"  9:Port Rst\n"
+	" 10:Overcurrent Active\n"
+	" 11:Overcurrent Indicator\n"
+	" 12:Suspend\n\n";
+
+	for (i = 0; i < sys_num_usb; i++)
+	{
+		u = &sys_usb_devs[i];
+		"$$FG,LTRED$$Dev%d:%X:", i, u->ports;
+		doc_e = DocPrint(DocPut, "$$TX+TC,\" \"$$");
+		doc_e->user_data = &sys_usb_devs[i];
+		doc_e->tag_cb = &StatCB;
+		"$$FG$$\n";
+	}
+
+	NewLine;
+}
+
+extern U0 PutQH(U32 h);
+
+U32 *P(U32 d)
+{
+	return d & ~3;
+}
+
+U0 PutTD(U32 t)
+{
+	"TD:$$FG,GREEN$$%08X$$FG$$\n", t;
+	"%08X\n", *P(t);
+	DocDm(t + 4, 8);
+	if (*P(t + 12))
+		DocDm(*P(t + 12), 16);
+	//    DocDm(*P(t+12), *P(t+4) >> 21 & 0x7FF);
+	if (!(*P(t) & 1))
+	{
+		if (*P(t) & 2)
+			PutQH(*P(t));
+		else
+			PutTD(*P(t));
+	}
+}
+
+U0 PutQH(U32 h)
+{
+	"QH:$$FG,RED$$%08X$$FG$$\n", h;
+	"%08X\n", *P(h);
+	"%08X\n", *P(h + 4);
+
+	if (!(*P(h) & 1))
+	{
+		if (*P(h) & 2)
+			PutQH(*P(h));
+		else
+			PutTD(*P(h));
+	}
+
+	if (!(*P(h + 4) & 1))
+	{
+		if (*P(h + 4) & 2)
+			PutQH(*P(h + 4));
+		else
+			PutTD(*P(h + 4));
+	}
+}
+
+U0 PutFrame(U32 f)
+{
+	PutQH(f);
+}
+
+U0 PutFrames()
+{
+	I64 i, d, f, w1, w2;
+	CUSB *u;
+	for (i = 0; i < sys_num_usb; i++)
+	{
+		u = &sys_usb_devs[i];
+		d = u->ports;
+		w1 = InU16(d + USBP_PORTSC0);
+		w2 = InU16(d + USBP_PORTSC1);
+		if (w1 & 1 || w2 & 1)
+		{
+			f = InU32(d + USBP_FRBASEADD);
+			PutFrame(f);
+		}
+	}
+}
+
+U0 Main()
+{
+	USBInitAll;
+	PutStat;
+	PutFrames;
+	"$$FG,RED$$The BIOS sets-up the USB in PS/2 legacy mode.$$FG$$\n";
+}
+
+Main;
+
+/* Not Finished
+#define PORT		5
+#define DEV_ADD_INIT	1
+#define DEV_ADD		1
+#define END_PT0		0
+#define END_PT1		1
+#define END_PT2		2
+#define LEN_MAX		8
+#define TERMINATE	1
+
+U0 SetUpTD()
+{
+  CUSB *u = &sys_usb_devs[PORT];
+  I64 i, d = u->ports;
+  U32 *frm = CAllocAligned(0x1000, 0x1000, Fs->code_heap),
+	*tds = CAllocAligned(256, 16, Fs->code_heap),
+	*buf = CAlloc(128, Fs->code_heap);
+  DocD(buf, 128);
+
+  "<0>\n"; Sleep(100);
+  OutU16(d + USBP_CMD, 2);	//Reset
+  "<1>\n"; Sleep(100);
+  OutU16(d + USBP_CMD, 0);
+  "<2>\n"; Sleep(100);
+  OutU16(d + USBP_PORTSC0, 4);	//Enable
+  OutU16(d + USBP_PORTSC1, 4);
+  "<3>\n"; Sleep(100);
+
+  tds[0] = &tds[4](U8 *);
+  tds[1] = 0;
+  tds[2] = PID_SETUP + DEV_ADD_INIT << 8 + END_PT0 << 15 + LEN_MAX << 21;
+  tds[3] = buf;
+  buf[0] = 0 + RQ_SET_ADDR << 8 + DEV_ADD << 16;
+  buf[1] = 0 + 0 << 16;
+
+  tds[4] = TERMINATE;
+  tds[5] = 0;
+  tds[6] = PID_SETUP + DEV_ADD_INIT << 8 + END_PT0 << 15 + LEN_MAX << 21;
+  tds[7] = buf(U8 *) + 8;
+  buf[2] = 0 + RQ_SET_ADDR << 8 + DEV_ADD << 16;
+  buf[3] = 0 + 0 << 16;
+
+  frm[0] = &tds[0](U8 *);
+  for (i = 1; i < 0x1000 / 4; i++)
+    frm[i] = TERMINATE;
+
+  OutU16(d + USBP_FRNUM, frm);
+  OutU32(d + USBP_FRBASEADD, frm);
+  "<4>\n"; Sleep(200);
+  OutU16(d + USBP_CMD,1);
+  "<5>\n"; Sleep(1000);
+  OutU16(d + USBP_CMD,0);
+  "<6>\n"; Sleep(200);
+}
+
+SetUpTD;
+
+*/