From 7e3f993f70d4f40525ac2b29b5845366464dbc20 Mon Sep 17 00:00:00 2001 From: Sharoy Veduchi <61427449+doodayev@users.noreply.github.com> Date: Tue, 20 Dec 2022 14:28:02 -0800 Subject: [PATCH] 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 --- src/Kernel/KUSB.ZC | 118 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 src/Kernel/KUSB.ZC diff --git a/src/Kernel/KUSB.ZC b/src/Kernel/KUSB.ZC new file mode 100644 index 00000000..f0d1417e --- /dev/null +++ b/src/Kernel/KUSB.ZC @@ -0,0 +1,118 @@ + +#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; +} \ No newline at end of file