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