[tmp] geht grad nix :(
authorBernhard Urban <lewurm@gmx.net>
Wed, 16 Sep 2009 16:06:29 +0000 (18:06 +0200)
committerBernhard Urban <lewurm@gmx.net>
Wed, 16 Sep 2009 16:06:29 +0000 (18:06 +0200)
usb/host/ohci.c
usb/host/ohci.h

index 0dea4b1773791dfb5828ec7a516fda79e3582a4c..5f964295e71cbc67ab9c4aef2952da713fcfec5f 100644 (file)
@@ -16,9 +16,9 @@ Copyright (C) 2009     Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
 #include "../../malloc.h"
 #include "ohci.h"
 #include "host.h"
+#include "../usbspec/usb11spec.h"
 
 static struct ohci_hcca hcca_oh0;
-static struct endpoint_descriptor *dummyconfig;
 
 static struct endpoint_descriptor *allocate_endpoint()
 {
@@ -34,16 +34,92 @@ static struct general_td *allocate_general_td(size_t bsize)
        struct general_td *td;
        td = (struct general_td *)calloc(sizeof(struct general_td), 16);
        td->flags = 0;
-       td->nexttd = 0;
+       td->nexttd = virt_to_phys(td);
        if(bsize == 0) {
                td->cbp = td->be = 0;
        } else {
-               td->cbp = (u32)malloc(bsize);
+               td->cbp = virt_to_phys(malloc(bsize));
                td->be = td->cbp + bsize - 1;
        }
        return td;
 }
 
+static void control_quirk()
+{
+       static struct endpoint_descriptor *ed; /* empty ED */
+       static struct general_td *td; /* dummy TD */
+       u32 head;
+       u32 current;
+       u32 status;
+
+       /*
+        * One time only.
+        * Allocate and keep a special empty ED with just a dummy TD.
+        */
+       if (!ed) {
+               ed = allocate_endpoint();
+               if (!ed)
+                       return;
+
+               td = allocate_general_td(0);
+               if (!td) {
+                       free(ed);
+                       ed = NULL;
+                       return;
+               }
+
+#define ED_MASK ((u32)~0x0f)
+               ed->tailp = ed->headp = virt_to_phys((void*) ((u32)td & ED_MASK));
+               ed->flags |= OHCI_ENDPOINT_DIRECTION_OUT;
+       }
+
+       /*
+        * The OHCI USB host controllers on the Nintendo Wii
+        * video game console stop working when new TDs are
+        * added to a scheduled control ED after a transfer has
+        * has taken place on it.
+        *
+        * Before scheduling any new control TD, we make the
+        * controller happy by always loading a special control ED
+        * with a single dummy TD and letting the controller attempt
+        * the transfer.
+        * The controller won't do anything with it, as the special
+        * ED has no TDs, but it will keep the controller from failing
+        * on the next transfer.
+        */
+       head = read32(OHCI0_HC_CTRL_HEAD_ED);
+       if (head) {
+               printf("head: 0x%08X\n", head);
+               /*
+                * Load the special empty ED and tell the controller to
+                * process the control list.
+                */
+               sync_after_write(ed, 64);
+               sync_after_write(td, 64);
+               write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(ed));
+
+               status = read32(OHCI0_HC_CONTROL);
+               set32(OHCI0_HC_CONTROL, OHCI_CTRL_CLE);
+               write32(OHCI0_HC_COMMAND_STATUS, OHCI_CLF);
+
+               /* spin until the controller is done with the control list */
+               current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+               while(!current) {
+                       udelay(10);
+                       current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+               }
+
+               printf("current: 0x%08X\n", current);
+                       
+               /* restore the old control head and control settings */
+               write32(OHCI0_HC_CONTROL, status);
+               write32(OHCI0_HC_CTRL_HEAD_ED, head);
+       } else {
+               printf("nohead!\n");
+       }
+}
+
+
 static void dbg_op_state() 
 {
        switch (read32(OHCI0_HC_CONTROL) & OHCI_CTRL_HCFS) {
@@ -67,24 +143,69 @@ static void dbg_op_state()
  * Enqueue a transfer descriptor.
  */
 u8 hcdi_enqueue(usb_transfer_descriptor *td) {
-       printf("===========================\ndone head (vor sync): 0x%08X\n", hcca_oh0.done_head);
+       control_quirk();
+
+       printf( "===========================\n"
+                       "===========================\n"
+                       "done head (vor sync): 0x%08X\n", hcca_oh0.done_head);
        sync_before_read(&hcca_oh0, 256);
        printf("done head (nach sync): 0x%08X\n", hcca_oh0.done_head);
 
-       struct general_td *tmptd = allocate_general_td(sizeof(td->buffer));
-       (void) memcpy((void*) tmptd->cbp, td->buffer, sizeof(td->buffer));
+       struct general_td *tmptd = allocate_general_td(sizeof(td->actlen));
+       (void) memcpy((void*) phys_to_virt(tmptd->cbp), td->buffer, sizeof(td->actlen)); /* throws dsi exception after some time :X */
+
+       tmptd->flags &= ~OHCI_TD_DIRECTION_PID_MASK;
+       switch(td->pid) {
+               case USB_PID_SETUP:
+                       printf("pid_setup\n");
+                       tmptd->flags |= OHCI_TD_DIRECTION_PID_SETUP;
+                       break;
+               case USB_PID_OUT:
+                       printf("pid_out\n");
+                       tmptd->flags |= OHCI_TD_DIRECTION_PID_OUT;
+                       break;
+               case USB_PID_IN:
+                       printf("pid_in\n");
+                       tmptd->flags |= OHCI_TD_DIRECTION_PID_IN;
+                       break;
+       }
 
        printf("tmptd hexump (before):\n");
-       hexdump((void*) tmptd, sizeof(tmptd));
+       hexdump(tmptd, sizeof(struct general_td));
        printf("tmptd-cbp hexump (before):\n");
-       hexdump((void*) (tmptd->cbp), sizeof(tmptd->cbp));
+       hexdump((void*) phys_to_virt(tmptd->cbp), sizeof(td->actlen));
+
+       sync_after_write((void*) (tmptd->cbp), sizeof(td->actlen));
+       sync_after_write(tmptd, sizeof(struct general_td));
 
-       sync_after_write((void*) (tmptd->cbp), sizeof(tmptd->cbp));
-       sync_after_write(tmptd, sizeof(tmptd));
+       struct endpoint_descriptor *dummyconfig = allocate_endpoint();
 
-       dummyconfig->headp = virt_to_phys(tmptd);
+       printf("tmpdt & ED_MASK: 0x%08X\n", virt_to_phys((void*) ((u32)tmptd & ED_MASK)));
+#define ED_MASK ((u32)~0x0f)
+       dummyconfig->tailp = /* dummyconfig->headp = */ virt_to_phys((void*) ((u32)tmptd & ED_MASK));
+//     dummyconfig->flags |= OHCI_ENDPOINT_DIRECTION_OUT;
        sync_after_write(dummyconfig, 64);
+       write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(dummyconfig));
+
+       printf("OHCI_CTRL_CLE: 0x%08X\n", read32(OHCI0_HC_CONTROL)&OHCI_CTRL_CLE);
+       printf("OHCI_CLF: 0x%08X\n", read32(OHCI0_HC_COMMAND_STATUS)&OHCI_CLF);
+       set32(OHCI0_HC_CONTROL, OHCI_CTRL_CLE);
+       write32(OHCI0_HC_COMMAND_STATUS, OHCI_CLF);
 
+       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);
+       while(!current) {
+               udelay(10);
+               current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+       }
+
+       udelay(2000);
+       udelay(2000);
+       udelay(2000);
+       current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+       printf("current: 0x%08X\n", current);
        printf("+++++++++++++++++++++++++++++\n");
        udelay(2000);
        udelay(2000);
@@ -95,17 +216,19 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        udelay(2000);
        udelay(2000);
 
-       sync_before_read(tmptd, sizeof(tmptd));
+       sync_before_read(tmptd, sizeof(struct general_td));
        printf("tmptd hexump (after):\n");
-       hexdump((void*) tmptd, sizeof(tmptd));
+       hexdump(tmptd, sizeof(struct general_td));
 
-       sync_before_read((void*) (tmptd->cbp), sizeof(tmptd->cbp));
+       sync_before_read((void*) (tmptd->cbp), sizeof(td->actlen));
        printf("tmptd-cbp hexump (after):\n");
-       hexdump((void*) (tmptd->cbp), sizeof(tmptd->cbp));
+       hexdump((void*) (tmptd->cbp), sizeof(td->actlen));
 
        printf("done head (vor sync): 0x%08X\n", hcca_oh0.done_head);
        sync_before_read(&hcca_oh0, 256);
        printf("done head (nach sync): 0x%08X\n", hcca_oh0.done_head);
+
+       free(tmptd);
        return 0;
 }
 
@@ -118,7 +241,6 @@ u8 hcdi_dequeue(usb_transfer_descriptor *td) {
 
 void hcdi_init() 
 {
-       dummyconfig = allocate_endpoint();
        printf("ohci-- init\n");
        dbg_op_state();
 
@@ -157,8 +279,7 @@ void hcdi_init()
 
        /* Tell the controller where the control and bulk lists are
         * The lists are empty now. */
-       sync_after_write(dummyconfig, 64);
-       write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(dummyconfig));
+       write32(OHCI0_HC_CTRL_HEAD_ED, 0);
        write32(OHCI0_HC_BULK_HEAD_ED, 0);
 
        /* set hcca adress */
index f2409788a026670d66e4c213696b3890fa8df27b..687b9ec36e3bc57311012f4a40743974eda50e59 100644 (file)
@@ -62,23 +62,6 @@ Copyright (C) 2009     Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
 #define OHCI_INTR_OC   (1 << 30)       /* ownership change */
 #define OHCI_INTR_MIE  (1 << 31)       /* master interrupt enable */
 
-/*
- * masks used with interrupt registers:
- * HcInterruptStatus (intrstatus)
- * HcInterruptEnable (intrenable)
- * HcInterruptDisable (intrdisable)
- */
-#define OHCI_INTR_SO   (1 << 0)        /* scheduling overrun */
-#define OHCI_INTR_WDH  (1 << 1)        /* writeback of done_head */
-#define OHCI_INTR_SF   (1 << 2)        /* start frame */
-#define OHCI_INTR_RD   (1 << 3)        /* resume detect */
-#define OHCI_INTR_UE   (1 << 4)        /* unrecoverable error */
-#define OHCI_INTR_FNO  (1 << 5)        /* frame number overflow */
-#define OHCI_INTR_RHSC (1 << 6)        /* root hub status change */
-#define OHCI_INTR_OC   (1 << 30)       /* ownership change */
-#define OHCI_INTR_MIE  (1 << 31)       /* master interrupt enable */
-
-
 /* For initializing controller (mask in an HCFS mode too) */
 #define OHCI_CONTROL_INIT      (3 << 0)
 #define        OHCI_INTR_INIT \