Faster OHCI, USB hub support, UHCI portstatus corr.
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2a9caccf7b
7 changed files with 778 additions and 338 deletions
954
bus/usb/ohci.c
954
bus/usb/ohci.c
File diff suppressed because it is too large
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@ -612,8 +612,23 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
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status = grub_uhci_readreg16 (u, reg);
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grub_dprintf ("uhci", "detect=0x%02x\n", status);
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if (!enable) /* We don't need reset port */
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{
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/* Disable the port. */
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grub_uhci_writereg16 (u, reg, 0 << 2);
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grub_dprintf ("uhci", "waiting for the port to be disabled\n");
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endtime = grub_get_time_ms () + 1000;
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while ((grub_uhci_readreg16 (u, reg) & (1 << 2)))
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if (grub_get_time_ms () > endtime)
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return grub_error (GRUB_ERR_IO, "UHCI Timed out");
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status = grub_uhci_readreg16 (u, reg);
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grub_dprintf ("uhci", ">3detect=0x%02x\n", status);
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return GRUB_ERR_NONE;
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}
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/* Reset the port. */
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grub_uhci_writereg16 (u, reg, enable << 9);
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grub_uhci_writereg16 (u, reg, 1 << 9);
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/* Wait for the reset to complete. XXX: How long exactly? */
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grub_millisleep (50); /* For root hub should be nominaly 50ms */
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@ -623,7 +638,7 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
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grub_millisleep (10);
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/* Enable the port. */
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grub_uhci_writereg16 (u, reg, enable << 2);
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grub_uhci_writereg16 (u, reg, 1 << 2);
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grub_millisleep (10);
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grub_dprintf ("uhci", "waiting for the port to be enabled\n");
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@ -166,7 +166,7 @@ grub_usb_device_initialize (grub_usb_device_t dev)
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* max. size of packet */
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dev->descdev.maxsize0 = 0; /* invalidating, for safety only, can be removed if it is sure it is zero here */
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err = grub_usb_get_descriptor (dev, GRUB_USB_DESCRIPTOR_DEVICE,
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0, 8, (char *) &dev->descdev);
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0, 8, (char *) &dev->descdev);
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if (err)
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return err;
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@ -87,13 +87,46 @@ grub_usb_add_hub (grub_usb_device_t dev)
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struct grub_usb_usb_hubdesc hubdesc;
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grub_err_t err;
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int i;
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grub_uint64_t timeout;
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grub_usb_device_t next_dev;
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grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_IN
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| GRUB_USB_REQTYPE_CLASS
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| GRUB_USB_REQTYPE_TARGET_DEV),
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GRUB_USB_REQ_GET_DESCRIPTOR,
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(GRUB_USB_DESCRIPTOR_HUB << 8) | 0,
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0, sizeof (hubdesc), (char *) &hubdesc);
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err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_IN
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| GRUB_USB_REQTYPE_CLASS
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| GRUB_USB_REQTYPE_TARGET_DEV),
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GRUB_USB_REQ_GET_DESCRIPTOR,
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(GRUB_USB_DESCRIPTOR_HUB << 8) | 0,
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0, sizeof (hubdesc), (char *) &hubdesc);
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if (err)
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return err;
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grub_dprintf ("usb", "Hub descriptor:\n\t\t len:%d, typ:0x%02x, cnt:%d, char:0x%02x, pwg:%d, curr:%d\n",
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hubdesc.length, hubdesc.type, hubdesc.portcnt,
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hubdesc.characteristics, hubdesc.pwdgood,
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hubdesc.current);
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/* Activate the first configuration. Hubs should have only one conf. */
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grub_dprintf ("usb", "Hub set configuration\n");
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grub_usb_set_configuration (dev, 1);
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/* Power on all Hub ports. */
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for (i = 1; i <= hubdesc.portcnt; i++)
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{
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grub_dprintf ("usb", "Power on - port %d\n", i);
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/* Power on the port and wait for possible device connect */
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err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_OUT
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| GRUB_USB_REQTYPE_CLASS
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| GRUB_USB_REQTYPE_TARGET_OTHER),
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GRUB_USB_REQ_SET_FEATURE,
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GRUB_USB_HUB_FEATURE_PORT_POWER,
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i, 0, NULL);
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/* Just ignore the device if some error happened */
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if (err)
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continue;
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}
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/* Wait for port power-on */
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if (hubdesc.pwdgood >= 50)
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grub_millisleep (hubdesc.pwdgood * 2);
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else
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grub_millisleep (100);
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/* Iterate over the Hub ports. */
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for (i = 1; i <= hubdesc.portcnt; i++)
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@ -104,13 +137,13 @@ grub_usb_add_hub (grub_usb_device_t dev)
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err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_IN
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| GRUB_USB_REQTYPE_CLASS
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| GRUB_USB_REQTYPE_TARGET_OTHER),
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GRUB_USB_REQ_HUB_GET_PORT_STATUS,
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GRUB_USB_REQ_GET_STATUS,
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0, i, sizeof (status), (char *) &status);
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/* Just ignore the device if the Hub does not report the
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status. */
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if (err)
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continue;
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grub_dprintf ("usb", "Hub port %d status: 0x%02x\n", i, status);
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/* If connected, reset and enable the port. */
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if (status & GRUB_USB_HUB_STATUS_CONNECTED)
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@ -128,21 +161,46 @@ grub_usb_add_hub (grub_usb_device_t dev)
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speed = GRUB_USB_SPEED_FULL;
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}
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/* A device is actually connected to this port, not enable
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the port. XXX: Why 0x03? According to some docs it
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should be 0x0. Check the specification! */
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/* A device is actually connected to this port.
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* Now do reset of port. */
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grub_dprintf ("usb", "Reset hub port - port %d\n", i);
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err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_OUT
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| GRUB_USB_REQTYPE_CLASS
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| GRUB_USB_REQTYPE_TARGET_OTHER),
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0x3, 0x4, i, 0, 0);
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GRUB_USB_REQ_SET_FEATURE,
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GRUB_USB_HUB_FEATURE_PORT_RESET,
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i, 0, 0);
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/* If the Hub does not cooperate for this port, just skip
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the port. */
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if (err)
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continue;
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/* Wait for reset procedure done */
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timeout = grub_get_time_ms () + 1000;
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do
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{
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/* Get the port status. */
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err = grub_usb_control_msg (dev, (GRUB_USB_REQTYPE_IN
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| GRUB_USB_REQTYPE_CLASS
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| GRUB_USB_REQTYPE_TARGET_OTHER),
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GRUB_USB_REQ_GET_STATUS,
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0, i, sizeof (status), (char *) &status);
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}
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while (!err &&
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!(status & GRUB_USB_HUB_STATUS_C_PORT_RESET) &&
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(grub_get_time_ms() < timeout) );
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if (err || !(status & GRUB_USB_HUB_STATUS_C_PORT_RESET) )
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continue;
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/* Add the device and assign a device address to it. */
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grub_usb_hub_add_dev (&dev->controller, speed);
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grub_dprintf ("usb", "Call hub_add_dev - port %d\n", i);
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next_dev = grub_usb_hub_add_dev (&dev->controller, speed);
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if (! next_dev)
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continue;
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/* If the device is a Hub, scan it for more devices. */
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if (next_dev->descdev.class == 0x09)
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grub_usb_add_hub (next_dev);
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}
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}
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@ -156,7 +214,7 @@ attach_root_port (grub_usb_controller_t controller, int portno,
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grub_usb_device_t dev;
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grub_err_t err;
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/* Enable the port. */
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/* Disable the port. XXX: Why? */
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err = controller->dev->portstatus (controller, portno, 0);
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if (err)
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return;
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@ -81,7 +81,7 @@ grub_usb_control_msg (grub_usb_device_t dev,
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else
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max = 64;
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grub_dprintf ("usb", "transfer = %p, dev = %p\n", transfer, dev);
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grub_dprintf ("usb", "control: transfer = %p, dev = %p\n", transfer, dev);
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datablocks = (size + max - 1) / max;
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@ -146,6 +146,7 @@ grub_usb_control_msg (grub_usb_device_t dev,
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transfer->transactions[datablocks + 1].toggle = 1;
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err = dev->controller.dev->transfer (&dev->controller, transfer);
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grub_dprintf ("usb", "control: err=%d\n", err);
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grub_free (transfer->transactions);
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@ -174,6 +175,8 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
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struct grub_pci_dma_chunk *data_chunk;
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grub_size_t size = size0;
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grub_dprintf ("usb", "bulk: size=0x%02x type=%d\n", size, type);
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/* FIXME: avoid allocation any kind of buffer in a first place. */
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data_chunk = grub_memalign_dma32 (128, size);
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if (!data_chunk)
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@ -248,7 +251,7 @@ grub_usb_bulk_readwrite (grub_usb_device_t dev,
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toggle = transfer->transactions[transfer->last_trans].toggle ? 0 : 1;
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else
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toggle = dev->toggle[endpoint]; /* Nothing done, take original */
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grub_dprintf ("usb", "toggle=%d\n", toggle);
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grub_dprintf ("usb", "bulk: err=%d, toggle=%d\n", err, toggle);
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dev->toggle[endpoint] = toggle;
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grub_free (transfer->transactions);
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24
disk/usbms.c
24
disk/usbms.c
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@ -239,7 +239,6 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
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grub_usb_err_t err = GRUB_USB_ERR_NONE;
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grub_usb_err_t errCSW = GRUB_USB_ERR_NONE;
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int retrycnt = 3 + 1;
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grub_size_t i;
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retry:
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retrycnt--;
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@ -293,30 +292,27 @@ grub_usbms_transfer (struct grub_scsi *scsi, grub_size_t cmdsize, char *cmd,
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goto CheckCSW;
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}
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/* Debug print of received data. */
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grub_dprintf ("usb", "buf:\n");
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if (size <= 64)
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for (i=0; i<size; i++)
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grub_dprintf ("usb", "0x%02x: 0x%02x\n", i, buf[i]);
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else
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grub_dprintf ("usb", "Too much data for debug print...\n");
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grub_dprintf ("usb", "First 16 bytes of received data:\n %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
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buf[ 0], buf[ 1], buf[ 2], buf[ 3],
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buf[ 4], buf[ 5], buf[ 6], buf[ 7],
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buf[ 8], buf[ 9], buf[10], buf[11],
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buf[12], buf[13], buf[14], buf[15]);
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}
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else if (size)
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{
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err = grub_usb_bulk_write (dev->dev, dev->out->endp_addr, size, buf);
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grub_dprintf ("usb", "write: %d %d\n", err, GRUB_USB_ERR_STALL);
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grub_dprintf ("usb", "buf:\n");
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grub_dprintf ("usb", "First 16 bytes of sent data:\n %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
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buf[ 0], buf[ 1], buf[ 2], buf[ 3],
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buf[ 4], buf[ 5], buf[ 6], buf[ 7],
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buf[ 8], buf[ 9], buf[10], buf[11],
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buf[12], buf[13], buf[14], buf[15]);
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if (err)
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{
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if (err == GRUB_USB_ERR_STALL)
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grub_usb_clear_halt (dev->dev, dev->out->endp_addr);
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goto CheckCSW;
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}
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/* Debug print of sent data. */
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if (size <= 256)
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for (i=0; i<size; i++)
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grub_dprintf ("usb", "0x%02x: 0x%02x\n", i, buf[i]);
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else
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grub_dprintf ("usb", "Too much data for debug print...\n");
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}
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/* Read the status - (maybe) according to specification. */
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@ -87,15 +87,17 @@ typedef struct grub_usb_transfer *grub_usb_transfer_t;
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#define GRUB_USB_REQ_SET_INTERFACE 0x0B
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#define GRUB_USB_REQ_SYNC_FRAME 0x0C
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#define GRUB_USB_REQ_HUB_GET_PORT_STATUS 0x00
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#define GRUB_USB_FEATURE_ENDP_HALT 0x00
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#define GRUB_USB_FEATURE_DEV_REMOTE_WU 0x01
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#define GRUB_USB_FEATURE_TEST_MODE 0x02
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#define GRUB_USB_HUB_STATUS_CONNECTED (1 << 0)
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#define GRUB_USB_HUB_STATUS_LOWSPEED (1 << 9)
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#define GRUB_USB_HUB_STATUS_HIGHSPEED (1 << 10)
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#define GRUB_USB_HUB_FEATURE_PORT_RESET 0x04
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#define GRUB_USB_HUB_FEATURE_PORT_POWER 0x08
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#define GRUB_USB_HUB_STATUS_CONNECTED (1 << 0)
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#define GRUB_USB_HUB_STATUS_LOWSPEED (1 << 9)
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#define GRUB_USB_HUB_STATUS_HIGHSPEED (1 << 10)
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#define GRUB_USB_HUB_STATUS_C_PORT_RESET (1 << 20)
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struct grub_usb_packet_setup
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{
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