some changes... still blah
[ppcskel.git] / usb / host / ohci.c
index 69f27e9189ba01c397e694c7636a1e70c91940c3..bf1bc6233a9c56bc6099e169f6d323fc5a2bb9cb 100644 (file)
@@ -40,8 +40,7 @@ static struct ohci_hcca hcca_oh0;
 static struct endpoint_descriptor *allocate_endpoint()
 {
        struct endpoint_descriptor *ep;
-       //memalign instead of calloc doesn't work here?! WTF
-       ep = (struct endpoint_descriptor *)memalign(sizeof(struct endpoint_descriptor), 16);
+       ep = (struct endpoint_descriptor *)memalign(16, sizeof(struct endpoint_descriptor));
        ep->flags = ACCESS_LE(OHCI_ENDPOINT_GENERAL_FORMAT);
        ep->headp = ep->tailp = ep->nexted = ACCESS_LE(0);
        return ep;
@@ -50,7 +49,7 @@ static struct endpoint_descriptor *allocate_endpoint()
 static struct general_td *allocate_general_td(size_t bsize)
 {
        struct general_td *td;
-       td = (struct general_td *)memalign(sizeof(struct general_td), 16);
+       td = (struct general_td *)memalign(16, sizeof(struct general_td));
        td->flags = ACCESS_LE(0);
        // TODO !! nexttd?
        td->nexttd = ACCESS_LE(virt_to_phys(td));
@@ -58,8 +57,10 @@ static struct general_td *allocate_general_td(size_t bsize)
        if(bsize == 0) {
                td->cbp = td->be = ACCESS_LE(0);
        } else {
-               td->cbp = ACCESS_LE(virt_to_phys(memalign(bsize, 16))); //memailgn required here?
-               //td->cbp = ACCESS_LE(virt_to_phys(malloc(bsize)));
+               //td->cbp = ACCESS_LE(virt_to_phys(memalign(16, bsize))); //memailgn required here?
+               //align it to 4kb? :O
+               td->cbp = ACCESS_LE(virt_to_phys(malloc(bsize)));
+               memset(phys_to_virt(ACCESS_LE(td->cbp)), 0, bsize);
                td->be = ACCESS_LE(ACCESS_LE(td->cbp) + bsize - 1);
        }
        return td;
@@ -177,10 +178,11 @@ static void dbg_td_flag(u32 flag)
  * Enqueue a transfer descriptor.
  */
 u8 hcdi_enqueue(usb_transfer_descriptor *td) {
-       control_quirk(); //required? YES! :O
+       control_quirk(); //required? YES! :O ... erm... or no? :/
        u32 tmptdbuffer;
 
        static struct endpoint_descriptor dummyconfig;
+       memset(&dummyconfig, 0, 16);
        dummyconfig.flags = ACCESS_LE(OHCI_ENDPOINT_GENERAL_FORMAT);
        dummyconfig.headp = dummyconfig.tailp = dummyconfig.nexted = ACCESS_LE(0);
 
@@ -199,23 +201,27 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        switch(td->pid) {
                case USB_PID_SETUP:
                        printf("pid_setup\n");
-                       tmptd->flags |= ACCESS_LE(OHCI_TD_DIRECTION_PID_SETUP);
+                       tmptd->flags |= ACCESS_LE(OHCI_TD_DIRECTION_PID_SETUP | 
+                                       OHCI_TD_TOGGLE_0 | 
+                                       OHCI_TD_BUFFER_ROUNDING);
                        break;
                case USB_PID_OUT:
                        printf("pid_out\n");
                        tmptd->flags |= ACCESS_LE(OHCI_TD_DIRECTION_PID_OUT);
+                       tmptd->flags |= ACCESS_LE(((td->togl) ? OHCI_TD_TOGGLE_1 : OHCI_TD_TOGGLE_0));
                        break;
                case USB_PID_IN:
                        printf("pid_in\n");
                        tmptd->flags |= ACCESS_LE(OHCI_TD_DIRECTION_PID_IN);
+                       tmptd->flags |= ACCESS_LE(((td->togl) ? OHCI_TD_TOGGLE_1 : OHCI_TD_TOGGLE_0));
                        break;
        }
-       tmptd->flags |= ACCESS_LE((td->togl) ? OHCI_TD_TOGGLE_1 : OHCI_TD_TOGGLE_0);
+       tmptd->flags |= ACCESS_LE(OHCI_TD_SET_DELAY_INTERRUPT(7));
 
        printf("tmptd hexdump (before) 0x%08X:\n", tmptd);
        hexdump(tmptd, sizeof(struct general_td));
        //save buffer adress here; HC may change tmptd->cbp
-       tmptdbuffer = phys_to_virt(ACCESS_LE(tmptd->cbp)); 
+       tmptdbuffer = (u32) phys_to_virt(ACCESS_LE(tmptd->cbp)); 
        printf("tmptd->cbp hexdump (before) 0x%08X:\n", phys_to_virt(ACCESS_LE(tmptd->cbp)));
        hexdump((void*) phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
 
@@ -241,21 +247,18 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        set32(OHCI0_HC_CONTROL, OHCI_CTRL_CLE);
        write32(OHCI0_HC_COMMAND_STATUS, OHCI_CLF);
 
-       printf("+++++++++++++++++++++++++++++\n");
+       //printf("+++++++++++++++++++++++++++++\n");
        /* spin until the controller is done with the control list */
-       u32 current = read32(OHCI0_HC_CTRL_CURRENT_ED);
-       printf("current: 0x%08X\n", current);
+       //printf("current: 0x%08X\n", current);
 
        //don't use this quirk stuff here!
-#if 0
-       while(!current) {
-               udelay(2);
-               current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+#if 1
+       while(!read32(OHCI0_HC_CTRL_CURRENT_ED)) {
        }
 #endif
 
        udelay(20000);
-       current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+       u32 current = read32(OHCI0_HC_CTRL_CURRENT_ED);
        printf("current: 0x%08X\n", current);
        printf("+++++++++++++++++++++++++++++\n");
        udelay(20000);
@@ -281,12 +284,25 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        printf("done head hexdump: 0x%08X\n", donetd);
        hexdump((void*) donetd, 16);
 
-       sync_before_read((void*) phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
-       (void) memcpy((void*) (td->buffer), phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
+       u32 newlen = 0;
+       if(td->actlen) {
+               sync_before_read((void*) tmptdbuffer, td->actlen);
+               newlen = (u32)phys_to_virt(ACCESS_LE(tmptd->cbp)) - tmptdbuffer;
+               printf("WOOOOT newlen: %d\n", newlen);
+               hexdump((void*) tmptdbuffer, newlen);
+               printf("OLD length: %d\n", td->actlen);
+               hexdump((void*) tmptdbuffer, td->actlen);
+       }
+
+       sync_before_read((void*) (phys_to_virt(ACCESS_LE(tmptd->cbp))-newlen), td->actlen);
+       printf("td->buffer: 0x%08X\np2v(A_L(tmptd->cbp: 0x%08X\ntd->actlen: %d\n", (void*) (td->buffer), phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
+       (void) memcpy((void*) (td->buffer), (void*) tmptdbuffer, td->actlen);
 
        write32(OHCI0_HC_CONTROL, read32(OHCI0_HC_CONTROL)&~OHCI_CTRL_CLE);
        dummyconfig.headp = dummyconfig.tailp = dummyconfig.nexted = ACCESS_LE(0);
 
+       write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(0));
+
 
        /* 
         * TD should be free'd after taking it from the done queue.
@@ -294,9 +310,11 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
         */
 
        /* only when a buffer is allocated */
+#if 0
        if(td->actlen)
                free((void*)tmptdbuffer);
        free(tmptd);
+#endif
        return 0;
 }
 
@@ -405,7 +423,7 @@ static void setup_port(u32 reg, u8 from_init)
        if((port & RH_PS_CCS) && ((port & RH_PS_CSC) || from_init)) {
                write32(reg, RH_PS_CSC);
 
-               wait_ms(150);
+               wait_ms(120);
 
                /* clear CSC flag, set PES and start port reset (PRS) */
                write32(reg, RH_PS_PES);
@@ -420,6 +438,8 @@ static void setup_port(u32 reg, u8 from_init)
                while(!(read32(reg) & RH_PS_PRSC)); // hint: it may stuck here
                printf("loop done\n");
 
+               wait_ms(20);
+
                (void) usb_add_device();
        }
 }
@@ -491,3 +511,8 @@ void hcdi_irq()
        }
 }
 
+void show_frame_no()
+{
+       sync_before_read(&hcca_oh0, 256);
+       printf("***** frame_no: %d *****\n", ACCESS_LE(hcca_oh0.frame_no));
+}