1) create skeleton queues
2) install irq handlers & enable uhci interrupts git-svn-id: svn://kolibrios.org@1605 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
875283e594
commit
abc581c09f
@ -41,6 +41,9 @@ bool FindUSBControllers()
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hc->pciId = PciRead32(bus,devfn, 0);
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hc->PciTag = pciTag(bus,(devfn>>3)&0x1F,devfn&0x7);
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hc->irq_line = PciRead32(bus,devfn, 0x3C) & 0xFF;
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dbgprintf("Host IRQ %d\n", hc->irq_line);
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for (i = 0; i < 6; i++)
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{
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u32_t base;
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@ -1,9 +1,12 @@
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#define UHCI_USBLEGSUP 0x00c0 /* legacy support */
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#define UHCI_USBCMD 0 /* command register */
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#define UHCI_USBINTR 4 /* interrupt register */
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#define UHCI_USBLEGSUP_DEFAULT 0x2000 /* only PIRQ enable set */
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#define UHCI_USBLEGSUP_RWC 0x8f00 /* the R/WC bits */
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#define UHCI_USBLEGSUP_RO 0x5040 /* R/O and reserved bits */
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#define UHCI_USBCMD 0 /* command register */
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#define UHCI_USBINTR 4 /* interrupt register */
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#define UHCI_USBCMD_RUN 0x0001 /* RUN/STOP bit */
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#define UHCI_USBCMD_HCRESET 0x0002 /* Host Controller reset */
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#define UHCI_USBCMD_EGSM 0x0008 /* Global Suspend Mode */
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@ -117,12 +120,38 @@ reset_needed:
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return 1;
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}
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void hc_interrupt()
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{
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hc_t *hc;
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printf("USB interrupt\n");
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hc = (hc_t*)hc_list.next;
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while( &hc->list != &hc_list)
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{
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hc_t *tmp;
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u16_t status;
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tmp = hc;
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hc = (hc_t*)hc->list.next;
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status = in16(tmp->iobase + USBSTS);
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if (!(status & ~USBSTS_HCH)) /* shared interrupt, not mine */
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continue;
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out16(tmp->iobase + USBSTS, status); /* Clear it */
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}
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};
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bool init_hc(hc_t *hc)
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{
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int port;
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u32_t ifl;
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u16_t dev_status;
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td_t *td;
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int i;
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dbgprintf("\n\ninit uhci %x\n\n", hc->pciId);
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@ -166,18 +195,42 @@ bool init_hc(hc_t *hc)
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hc->frame_dma = GetPgAddr(hc->frame_base);
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hc->frame_number = 0;
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for (i = 0; i < UHCI_NUM_SKELQH; i++)
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{
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qh_t *qh = alloc_qh();
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qh->qlink = 1;
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qh->qelem = 1;
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hc->qh1 = qh;
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hc->qh[i] = qh;
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}
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for (i = SKEL_ISO + 1; i < SKEL_ASYNC; ++i)
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hc->qh[i]->qlink = hc->qh[SKEL_ASYNC]->dma | 2;
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// dbgprintf("alloc qh %x dma %x\n", qh, qh->dma);
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/*
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td = alloc_td();
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for(i=0; i<1024; i++)
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hc->frame_base[i] = qh->dma | 2;
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td->link = 1;
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td->status = (1<<24) | (1<<23) ;
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td->token = TOKEN( 0x7FF, DATA0, 0, 0, 0xE1);
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td->buffer = 0;
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td->bk = NULL;
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*/
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for (i = 0; i < 1024; i++)
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{
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int qnum;
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qnum = 8 - (int) __bsf( i | 1024);
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if (qnum <= 1)
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qnum = 9;
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hc->frame_base[i] = hc->qh[qnum]->dma | 2;
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}
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mb();
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/* Set the frame length to the default: 1 ms exactly */
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out8(hc->iobase + USBSOF, USBSOF_DEFAULT);
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@ -189,6 +242,13 @@ bool init_hc(hc_t *hc)
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out16(hc->iobase + USBFRNUM, 0);
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out16(hc->iobase + USBSTS, 0x3F);
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out16(hc->iobase + UHCI_USBINTR, 4);
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AttachIntHandler(hc->irq_line, hc_interrupt, 0);
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pciWriteWord(hc->PciTag, UHCI_USBLEGSUP, UHCI_USBLEGSUP_DEFAULT);
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out16(hc->iobase + USBCMD, USBCMD_RS | USBCMD_CF |
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USBCMD_MAXP);
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@ -347,7 +407,7 @@ request_t *create_request(udev_t *dev, endp_t *enp, u32_t dir,
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if( td_prev )
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td_prev->link = td->dma | 4;
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td->status = 0x00800000 | dev->speed;
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td->status = TD_CTRL_ACTIVE | dev->speed;
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td->token = TOKEN(packet_size,enp->toggle,enp->address,
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dev->addr,dir);
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td->buffer = data_dma;
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@ -358,17 +418,10 @@ request_t *create_request(udev_t *dev, endp_t *enp, u32_t dir,
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data_dma+= packet_size;
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size-= packet_size;
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enp->toggle ^= DATA1;
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}
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};
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td->status |= TD_CTRL_IOC;
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rq->td_tail = td;
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/*
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dbgprintf("create request %x\n"
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"head %x\n"
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"tail %x\n"
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"data %x\n"
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"size %x\n",
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rq, rq->td_head, rq->td_tail,
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rq->data, rq->size);
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*/
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return rq;
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}
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@ -405,7 +458,7 @@ bool ctrl_request(udev_t *dev, void *req, u32_t pid,
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td = alloc_td();
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td_prev->link = td->dma | 4;
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td->status = 0x00800000 | dev->speed;
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td->status = TD_CTRL_ACTIVE | dev->speed;
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td->token = TOKEN(packet_size, toggle, 0,dev->addr, pid);
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td->buffer = data_dma;
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td->bk = td_prev;
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@ -423,15 +476,17 @@ bool ctrl_request(udev_t *dev, void *req, u32_t pid,
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pid = (pid == DIN) ? DOUT : DIN;
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td->link = 1;
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td->status = 0x00800000 | dev->speed;
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td->status = TD_CTRL_ACTIVE | TD_CTRL_IOC | dev->speed ;
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td->token = (0x7FF<<21)|DATA1|(dev->addr<<8)|pid;
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td->buffer = 0;
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td->bk = td_prev;
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qh = dev->host->qh1;
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qh = dev->host->qh[SKEL_ASYNC];
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qh->qelem = td0->dma;
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__asm__ __volatile__ ("":::"memory");
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mb();
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// __asm__ __volatile__ ("":::"memory");
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count_t timeout = 25;
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while(timeout--){
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@ -112,7 +112,7 @@ bool mouse_handler(udev_t *dev, struct tag_request *rq)
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pkt = (struct boot_packet *)rq->data;
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SetMouseData(pkt->buttons, pkt->x, -pkt->y, -pkt->z, 0);
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};
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td->status = 0x00800000 | dev->speed;
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td->status = TD_CTRL_ACTIVE | TD_CTRL_IOC | dev->speed;
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td->token ^= DATA1;
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return true;
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@ -145,6 +145,7 @@ void create_hid_mouse(udev_t *dev, endpoint_descr_t *en_d)
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packet = kzalloc(enp.size, 0);
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rq = create_request(dev, &enp, DIN, packet, enp.size);
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rq->qnum = 6;
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rq->handler = &mouse_handler;
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list_add_tail(&rq->list, &rq_list);
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@ -113,11 +113,12 @@ u32_t drvEntry(int action, char *cmdline)
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td = rq->td_head;
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dev = rq->dev;
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qh = dev->host->qh1;
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qh = dev->host->qh[rq->qnum];
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qh->qelem = td->dma;
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__asm__ __volatile__ ("":::"memory");
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mb();
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rq = (request_t*)rq->list.next;
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};
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@ -38,6 +38,23 @@ typedef struct
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}qh_t __attribute__((aligned(16)));
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#define UHCI_NUM_SKELQH 11
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#define SKEL_ISO 1
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#define SKEL_ASYNC 9
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/*
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#define QH_1 0
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#define QH_2 1
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#define QH_4 2
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#define QH_8 3
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#define QH_16 4
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#define QH_32 5
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#define QH_64 6
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*/
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typedef struct
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{
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list_t list;
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@ -48,7 +65,7 @@ typedef struct
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count_t frame_number;
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addr_t frame_dma;
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qh_t *qh1;
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qh_t *qh[UHCI_NUM_SKELQH];
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u32_t *data;
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addr_t data_dma;
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@ -63,6 +80,7 @@ typedef struct
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addr_t memBase[6];
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size_t memSize[6];
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u32_t memType[6];
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u32_t irq_line;
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}hc_t;
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typedef struct tag_td
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@ -214,6 +232,7 @@ typedef struct tag_request
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size_t size;
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udev_t *dev;
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u32_t type;
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int qnum;
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bool (*handler)(udev_t *dev, struct tag_request *rq);
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}request_t;
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@ -248,3 +267,13 @@ struct boot_packet
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#define DATA0 (0<<19)
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#define DATA1 (1<<19)
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static inline u32_t __bsf(u32_t val)
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{
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asm("bsf %1,%0"
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:"=r" (val)
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:"rm" (val));
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return val;
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}
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