KUSB from the TempleOS Supplemental Disc

Running the conversion script didn't seem to do much. I also ran it through the https://techiedelight.com/tools/clike
This commit is contained in:
Sharoy Veduchi 2022-12-20 14:28:02 -08:00 committed by GitHub
parent 777203d952
commit 7e3f993f70
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118
src/Kernel/KUSB.ZC Normal file
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#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;
}