diff options
Diffstat (limited to 'drivers/usb/host/ehci.h')
| -rw-r--r-- | drivers/usb/host/ehci.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index c7d4b5a06bdb..5336a6ff08c9 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -123,6 +123,18 @@ struct ehci_hcd { /* one per controller */ u8 sbrn; /* packed release number */ + /* + * OTG controllers and transceivers need software interaction; + * other external transceivers should be software-transparent + */ + struct otg_transceiver *transceiver; +#ifdef CONFIG_USB_STATIC_IRAM + u32 iram_buffer[2]; + u32 iram_buffer_v[2]; + int iram_in_use[2]; + int usb_address[2]; +#endif + /* irq statistics */ #ifdef EHCI_STATS struct ehci_stats stats; @@ -257,6 +269,10 @@ struct ehci_qtd { struct list_head qtd_list; /* sw qtd list */ struct urb *urb; /* qtd's urb */ size_t length; /* length of buffer */ +#ifdef CONFIG_USB_STATIC_IRAM + size_t buffer_offset; + int last_one; +#endif } __attribute__ ((aligned (32))); /* mask NakCnt+T in qh->hw_alt_next */ @@ -698,6 +714,10 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x) #define STUB_DEBUG_FILES #endif /* DEBUG */ +#ifdef CONFIG_USB_STATIC_IRAM +#define IRAM_TD_SIZE 1024 /* size of 1 qTD's buffer */ +#define IRAM_NTD 2 /* number of TDs in IRAM */ +#endif /*-------------------------------------------------------------------------*/ #endif /* __LINUX_EHCI_HCD_H */ |