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Prepare USB layer for ehci

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Prepare USB layer for ehci support

Signed-off-by: Michael Trimarchi <trimarchi@gandalf.sssup.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>
This commit is contained in:
Michael Trimarchi
2008-11-28 13:19:19 +01:00
committed by Remy Bohmer
parent a0cb3fc31e
commit 3e126484df
4 changed files with 23 additions and 10 deletions
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19
include/usb.h
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@@ -138,7 +138,7 @@ enum {
struct usb_device {
int devnum; /* Device number on USB bus */
int slow; /* Slow device? */
int speed; /* full/low/high */
char mf[32]; /* manufacturer */
char prod[32]; /* product */
char serial[32]; /* serial number */
@@ -171,6 +171,7 @@ struct usb_device {
unsigned long status;
int act_len; /* transfered bytes */
int maxchild; /* Number of ports if hub */
int portnr;
struct usb_device *parent;
struct usb_device *children[USB_MAXCHILDREN];
};
@@ -180,8 +181,9 @@ struct usb_device {
*/
#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || \
defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_SL811HS) || \
defined(CONFIG_USB_ISP116X_HCD) || defined(CONFIG_USB_R8A66597_HCD)
defined(CONFI_USB_EHCI) || defined(CONFIG_USB_OHCI_NEW) || \
defined(CONFIG_USB_SL811HS) || defined(CONFIG_USB_ISP116X_HCD) || \
defined(CONFIG_USB_R8A66597_HCD)
int usb_lowlevel_init(void);
int usb_lowlevel_stop(void);
@@ -279,7 +281,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
* - endpoint number (4 bits)
* - current Data0/1 state (1 bit)
* - direction (1 bit)
* - speed (1 bit)
* - speed (2 bits)
* - max packet size (2 bits: 8, 16, 32 or 64)
* - pipe type (2 bits: control, interrupt, bulk, isochronous)
*
@@ -296,7 +298,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
* - device: bits 8-14
* - endpoint: bits 15-18
* - Data0/1: bit 19
* - speed: bit 26 (0 = Full, 1 = Low Speed)
* - speed: bit 26 (0 = Full, 1 = Low Speed, 2 = High)
* - pipe type: bits 30-31 (00 = isochronous, 01 = interrupt,
* 10 = control, 11 = bulk)
*
@@ -308,8 +310,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
/* Create various pipes... */
#define create_pipe(dev,endpoint) \
(((dev)->devnum << 8) | (endpoint << 15) | \
((dev)->slow << 26) | (dev)->maxpacketsize)
#define default_pipe(dev) ((dev)->slow << 26)
((dev)->speed << 26) | (dev)->maxpacketsize)
#define default_pipe(dev) ((dev)->speed << 26)
#define usb_sndctrlpipe(dev, endpoint) ((PIPE_CONTROL << 30) | \
create_pipe(dev, endpoint))
@@ -359,7 +361,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
#define usb_pipe_endpdev(pipe) (((pipe) >> 8) & 0x7ff)
#define usb_pipeendpoint(pipe) (((pipe) >> 15) & 0xf)
#define usb_pipedata(pipe) (((pipe) >> 19) & 1)
#define usb_pipeslow(pipe) (((pipe) >> 26) & 1)
#define usb_pipespeed(pipe) (((pipe) >> 26) & 3)
#define usb_pipeslow(pipe) (usb_pipespeed(pipe) == USB_SPEED_LOW)
#define usb_pipetype(pipe) (((pipe) >> 30) & 3)
#define usb_pipeisoc(pipe) (usb_pipetype((pipe)) == PIPE_ISOCHRONOUS)
#define usb_pipeint(pipe) (usb_pipetype((pipe)) == PIPE_INTERRUPT)