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| author | Bryan Wu <bryan.wu@analog.com> | 2010-01-09 16:53:54 -0500 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2010-01-12 20:11:27 +0100 |
| commit | 321790f61bb92fead0fc01b8d055aa331d8dcf85 (patch) | |
| tree | 9f1edc8875c8e2cc8b8e5cc46af7ddf2e52a714a /drivers/usb/musb/musb_hcd.h | |
| parent | 559e2c87e45ae7261837d4945411c04833937d2a (diff) | |
| download | u-boot-imx-321790f61bb92fead0fc01b8d055aa331d8dcf85.zip u-boot-imx-321790f61bb92fead0fc01b8d055aa331d8dcf85.tar.gz u-boot-imx-321790f61bb92fead0fc01b8d055aa331d8dcf85.tar.bz2 | |
usb: musb: add virtual root hub control support
For MUSB devices that do not support multipoint (hubs), we have to emulate
a root hub so that we can support core operations like resetting ports.
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'drivers/usb/musb/musb_hcd.h')
| -rw-r--r-- | drivers/usb/musb/musb_hcd.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_hcd.h b/drivers/usb/musb/musb_hcd.h index a437985..dde7d37 100644 --- a/drivers/usb/musb/musb_hcd.h +++ b/drivers/usb/musb/musb_hcd.h @@ -50,6 +50,61 @@ extern unsigned char new[]; ((readb(&musbr->power) & MUSB_POWER_HSMODE) \ >> MUSB_POWER_HSMODE_SHIFT) +#define min_t(type, x, y) \ + ({ type __x = (x); type __y = (y); __x < __y ? __x : __y; }) + +/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */ + +/* destination of request */ +#define RH_INTERFACE 0x01 +#define RH_ENDPOINT 0x02 +#define RH_OTHER 0x03 + +#define RH_CLASS 0x20 +#define RH_VENDOR 0x40 + +/* Requests: bRequest << 8 | bmRequestType */ +#define RH_GET_STATUS 0x0080 +#define RH_CLEAR_FEATURE 0x0100 +#define RH_SET_FEATURE 0x0300 +#define RH_SET_ADDRESS 0x0500 +#define RH_GET_DESCRIPTOR 0x0680 +#define RH_SET_DESCRIPTOR 0x0700 +#define RH_GET_CONFIGURATION 0x0880 +#define RH_SET_CONFIGURATION 0x0900 +#define RH_GET_STATE 0x0280 +#define RH_GET_INTERFACE 0x0A80 +#define RH_SET_INTERFACE 0x0B00 +#define RH_SYNC_FRAME 0x0C80 +/* Our Vendor Specific Request */ +#define RH_SET_EP 0x2000 + +/* Hub port features */ +#define RH_PORT_CONNECTION 0x00 +#define RH_PORT_ENABLE 0x01 +#define RH_PORT_SUSPEND 0x02 +#define RH_PORT_OVER_CURRENT 0x03 +#define RH_PORT_RESET 0x04 +#define RH_PORT_POWER 0x08 +#define RH_PORT_LOW_SPEED 0x09 + +#define RH_C_PORT_CONNECTION 0x10 +#define RH_C_PORT_ENABLE 0x11 +#define RH_C_PORT_SUSPEND 0x12 +#define RH_C_PORT_OVER_CURRENT 0x13 +#define RH_C_PORT_RESET 0x14 + +/* Hub features */ +#define RH_C_HUB_LOCAL_POWER 0x00 +#define RH_C_HUB_OVER_CURRENT 0x01 + +#define RH_DEVICE_REMOTE_WAKEUP 0x00 +#define RH_ENDPOINT_STALL 0x01 + +#define RH_ACK 0x01 +#define RH_REQ_ERR -1 +#define RH_NACK 0x00 + /* extern functions */ extern int musb_platform_init(void); extern void musb_platform_deinit(void); |