diff options
Diffstat (limited to 'drivers/usb/gadget/dwc_otg/dwc_otg_hcd.h')
| -rw-r--r-- | drivers/usb/gadget/dwc_otg/dwc_otg_hcd.h | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/usb/gadget/dwc_otg/dwc_otg_hcd.h b/drivers/usb/gadget/dwc_otg/dwc_otg_hcd.h index ae2b8c3e179..9ac7598b3ed 100644 --- a/drivers/usb/gadget/dwc_otg/dwc_otg_hcd.h +++ b/drivers/usb/gadget/dwc_otg/dwc_otg_hcd.h @@ -36,7 +36,11 @@ #include <linux/list.h> #include <linux/usb.h> +#if 0 +#include <linux/usb/hcd.h> +#else #include <../drivers/usb/core/hcd.h> +#endif struct lm_device; struct dwc_otg_device; @@ -205,6 +209,9 @@ typedef struct dwc_otg_qh { /** @} */ + uint16_t speed; + uint16_t frame_usecs[8]; + /** Entry for QH in either the periodic or non-periodic schedule. */ struct list_head qh_list_entry; } dwc_otg_qh_t; @@ -314,6 +321,18 @@ typedef struct dwc_otg_hcd { */ uint16_t periodic_usecs; + /** + * Total bandwidth claimed so far for all periodic transfers + * in a frame. + * This will include a mixture of HS and FS transfers. + * Units are microseconds per (micro)frame. + * We have a budget per frame and have to schedule + * transactions accordingly. + * Watch out for the fact that things are actually scheduled for the + * "next frame". + */ + uint16_t frame_usecs[8]; + /** * Frame number read from the core at SOF. The value ranges from 0 to * DWC_HFNUM_MAX_FRNUM. @@ -327,17 +346,9 @@ typedef struct dwc_otg_hcd { struct list_head free_hc_list; /** - * Number of host channels assigned to periodic transfers. Currently - * assuming that there is a dedicated host channel for each periodic - * transaction and at least one host channel available for - * non-periodic transactions. - */ - int periodic_channels; - - /** - * Number of host channels assigned to non-periodic transfers. + * Number of available host channels. */ - int non_periodic_channels; + int available_host_channels; /** * Array of pointers to the host channel descriptors. Allows accessing |