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Prepare USB layer for ehci
Prepare USB layer for ehci support Signed-off-by: Michael Trimarchi <trimarchi@gandalf.sssup.it> Signed-off-by: Remy Böhmer <linux@bohmer.net>
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parent
a0cb3fc31e
commit
3e126484df
4 changed files with 23 additions and 10 deletions
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@ -310,7 +310,7 @@ void usb_show_tree_graph(struct usb_device *dev, char *pre)
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pre[index] = 0;
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printf(" %s (%s, %dmA)\n", usb_get_class_desc(
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dev->config.if_desc[0].bInterfaceClass),
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dev->slow ? "1.5MBit/s" : "12MBit/s",
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dev->speed ? "1.5MBit/s" : "12MBit/s",
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dev->config.MaxPower * 2);
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if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial))
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printf(" %s %s %s %s\n", pre, dev->mf, dev->prod, dev->serial);
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@ -1136,7 +1136,7 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
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/* Allocate a new device struct for it */
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usb = usb_alloc_new_device();
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usb->slow = (portstatus & USB_PORT_STAT_LOW_SPEED) ? 1 : 0;
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usb->speed = (portstatus & USB_PORT_STAT_LOW_SPEED) ? 1 : 0;
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dev->children[port] = usb;
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usb->parent = dev;
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@ -138,7 +138,7 @@ enum {
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struct usb_device {
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int devnum; /* Device number on USB bus */
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int slow; /* Slow device? */
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int speed; /* full/low/high */
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char mf[32]; /* manufacturer */
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char prod[32]; /* product */
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char serial[32]; /* serial number */
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@ -171,6 +171,7 @@ struct usb_device {
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unsigned long status;
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int act_len; /* transfered bytes */
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int maxchild; /* Number of ports if hub */
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int portnr;
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struct usb_device *parent;
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struct usb_device *children[USB_MAXCHILDREN];
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};
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@ -180,8 +181,9 @@ struct usb_device {
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*/
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#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || \
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defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_SL811HS) || \
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defined(CONFIG_USB_ISP116X_HCD) || defined(CONFIG_USB_R8A66597_HCD)
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defined(CONFI_USB_EHCI) || defined(CONFIG_USB_OHCI_NEW) || \
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defined(CONFIG_USB_SL811HS) || defined(CONFIG_USB_ISP116X_HCD) || \
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defined(CONFIG_USB_R8A66597_HCD)
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int usb_lowlevel_init(void);
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int usb_lowlevel_stop(void);
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@ -279,7 +281,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
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* - endpoint number (4 bits)
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* - current Data0/1 state (1 bit)
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* - direction (1 bit)
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* - speed (1 bit)
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* - speed (2 bits)
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* - max packet size (2 bits: 8, 16, 32 or 64)
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* - pipe type (2 bits: control, interrupt, bulk, isochronous)
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*
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@ -296,7 +298,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
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* - device: bits 8-14
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* - endpoint: bits 15-18
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* - Data0/1: bit 19
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* - speed: bit 26 (0 = Full, 1 = Low Speed)
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* - speed: bit 26 (0 = Full, 1 = Low Speed, 2 = High)
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* - pipe type: bits 30-31 (00 = isochronous, 01 = interrupt,
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* 10 = control, 11 = bulk)
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*
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@ -308,8 +310,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
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/* Create various pipes... */
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#define create_pipe(dev,endpoint) \
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(((dev)->devnum << 8) | (endpoint << 15) | \
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((dev)->slow << 26) | (dev)->maxpacketsize)
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#define default_pipe(dev) ((dev)->slow << 26)
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((dev)->speed << 26) | (dev)->maxpacketsize)
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#define default_pipe(dev) ((dev)->speed << 26)
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#define usb_sndctrlpipe(dev, endpoint) ((PIPE_CONTROL << 30) | \
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create_pipe(dev, endpoint))
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@ -359,7 +361,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
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#define usb_pipe_endpdev(pipe) (((pipe) >> 8) & 0x7ff)
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#define usb_pipeendpoint(pipe) (((pipe) >> 15) & 0xf)
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#define usb_pipedata(pipe) (((pipe) >> 19) & 1)
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#define usb_pipeslow(pipe) (((pipe) >> 26) & 1)
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#define usb_pipespeed(pipe) (((pipe) >> 26) & 3)
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#define usb_pipeslow(pipe) (usb_pipespeed(pipe) == USB_SPEED_LOW)
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#define usb_pipetype(pipe) (((pipe) >> 30) & 3)
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#define usb_pipeisoc(pipe) (usb_pipetype((pipe)) == PIPE_ISOCHRONOUS)
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#define usb_pipeint(pipe) (usb_pipetype((pipe)) == PIPE_INTERRUPT)
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@ -80,6 +80,12 @@
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#define USB_DIR_OUT 0
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#define USB_DIR_IN 0x80
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/* USB device speeds */
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#define USB_SPEED_FULL 0x0 /* 12Mbps */
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#define USB_SPEED_LOW 0x1 /* 1.5Mbps */
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#define USB_SPEED_HIGH 0x2 /* 480Mbps */
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#define USB_SPEED_RESERVED 0x3
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/* Descriptor types */
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#define USB_DT_DEVICE 0x01
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#define USB_DT_CONFIG 0x02
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@ -202,6 +208,7 @@
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#define USB_PORT_FEAT_RESET 4
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#define USB_PORT_FEAT_POWER 8
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#define USB_PORT_FEAT_LOWSPEED 9
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#define USB_PORT_FEAT_HIGHSPEED 10
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#define USB_PORT_FEAT_C_CONNECTION 16
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#define USB_PORT_FEAT_C_ENABLE 17
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#define USB_PORT_FEAT_C_SUSPEND 18
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@ -216,6 +223,9 @@
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#define USB_PORT_STAT_RESET 0x0010
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#define USB_PORT_STAT_POWER 0x0100
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#define USB_PORT_STAT_LOW_SPEED 0x0200
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#define USB_PORT_STAT_HIGH_SPEED 0x0400 /* support for EHCI */
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#define USB_PORT_STAT_SPEED \
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(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
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/* wPortChange bits */
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#define USB_PORT_STAT_C_CONNECTION 0x0001
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