diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 1cdea4a8c..6c629c97f 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -232,7 +232,9 @@ struct xhci_op_regs { * disabled, or powered-off state. */ #define CMD_PM_INDEX (1 << 11) -/* bits 12:31 are reserved (and should be preserved on writes). */ +/* bit 14 Extended TBC Enable, changes Isoc TRB fields to support larger TBC */ +#define CMD_ETE (1 << 14) +/* bits 15:31 are reserved (and should be preserved on writes). */ /* IMAN - Interrupt Management Register */ #define IMAN_IE (1 << 1) @@ -343,6 +345,7 @@ struct xhci_op_regs { #define SLOT_SPEED_LS (XDEV_LS << 10) #define SLOT_SPEED_HS (XDEV_HS << 10) #define SLOT_SPEED_SS (XDEV_SS << 10) +#define SLOT_SPEED_SSP (XDEV_SSP << 10) /* Port Indicator Control */ #define PORT_LED_OFF (0 << 14) #define PORT_LED_AMBER (1 << 14) @@ -748,8 +751,9 @@ struct xhci_ep_ctx { #define GET_MAX_PACKET(p) ((p) & 0x7ff) /* tx_info bitmasks */ -#define AVG_TRB_LENGTH_FOR_EP(p) ((p) & 0xffff) -#define MAX_ESIT_PAYLOAD_FOR_EP(p) (((p) & 0xffff) << 16) +#define EP_AVG_TRB_LENGTH(p) ((p) & 0xffff) +#define EP_MAX_ESIT_PAYLOAD_LO(p) (((p) & 0xffff) << 16) +#define EP_MAX_ESIT_PAYLOAD_HI(p) ((((p) >> 16) & 0xff) << 24) #define CTX_TO_MAX_ESIT_PAYLOAD(p) (((p) >> 16) & 0xffff) /* deq bitmasks */ @@ -941,6 +945,8 @@ struct xhci_virt_ep { struct list_head bw_endpoint_list; /* Isoch Frame ID checking storage */ int next_frame_id; + /* Use new Isoch TRB layout needed for extended TBC support */ + bool use_extended_tbc; }; enum xhci_overhead_type { @@ -1182,9 +1188,12 @@ enum xhci_setup_dev { #define TRB_LEN(p) ((p) & 0x1ffff) /* TD Size, packets remaining in this TD, bits 21:17 (5 bits, so max 31) */ #define TRB_TD_SIZE(p) (min((p), (u32)31) << 17) +/* xhci 1.1 uses the TD_SIZE field for TBC if Extended TBC is enabled (ETE) */ +#define TRB_TD_SIZE_TBC(p) (min((p), (u32)31) << 17) /* Interrupter Target - which MSI-X vector to target the completion event at */ #define TRB_INTR_TARGET(p) (((p) & 0x3ff) << 22) #define GET_INTR_TARGET(p) (((p) >> 22) & 0x3ff) +/* Total burst count field, Rsvdz on xhci 1.1 with Extended TBC enabled (ETE) */ #define TRB_TBC(p) (((p) & 0x3) << 7) #define TRB_TLBPC(p) (((p) & 0xf) << 16) |