diff options
Diffstat (limited to 'drivers/usb/dwc2/hcd.h')
| -rw-r--r-- | drivers/usb/dwc2/hcd.h | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index f105bada2fd1..8f0a29cefdf7 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -107,6 +107,7 @@ struct dwc2_qh; * @qh: QH for the transfer being processed by this channel * @hc_list_entry: For linking to list of host channels * @desc_list_addr: Current QH's descriptor list DMA address + * @desc_list_sz: Current QH's descriptor list size * * This structure represents the state of a single host channel when acting in * host mode. It contains the data items needed to transfer packets to an @@ -159,6 +160,7 @@ struct dwc2_host_chan { struct dwc2_qh *qh; struct list_head hc_list_entry; dma_addr_t desc_list_addr; + u32 desc_list_sz; }; struct dwc2_hcd_pipe_info { @@ -251,6 +253,7 @@ enum dwc2_transaction_type { * schedule * @desc_list: List of transfer descriptors * @desc_list_dma: Physical address of desc_list + * @desc_list_sz: Size of descriptors list * @n_bytes: Xfer Bytes array. Each element corresponds to a transfer * descriptor and indicates original XferSize value for the * descriptor @@ -284,6 +287,7 @@ struct dwc2_qh { struct list_head qh_list_entry; struct dwc2_hcd_dma_desc *desc_list; dma_addr_t desc_list_dma; + u32 desc_list_sz; u32 *n_bytes; unsigned tt_buffer_dirty:1; }; @@ -340,6 +344,8 @@ struct dwc2_qtd { u8 isoc_split_pos; u16 isoc_frame_index; u16 isoc_split_offset; + u16 isoc_td_last; + u16 isoc_td_first; u32 ssplit_out_xfer_count; u8 error_count; u8 n_desc; @@ -378,18 +384,6 @@ static inline void disable_hc_int(struct dwc2_hsotg *hsotg, int chnum, u32 intr) } /* - * Returns the mode of operation, host or device - */ -static inline int dwc2_is_host_mode(struct dwc2_hsotg *hsotg) -{ - return (dwc2_readl(hsotg->regs + GINTSTS) & GINTSTS_CURMODE_HOST) != 0; -} -static inline int dwc2_is_device_mode(struct dwc2_hsotg *hsotg) -{ - return (dwc2_readl(hsotg->regs + GINTSTS) & GINTSTS_CURMODE_HOST) == 0; -} - -/* * Reads HPRT0 in preparation to modify. It keeps the WC bits 0 so that if they * are read as 1, they won't clear when written back. */ @@ -535,6 +529,19 @@ static inline bool dbg_perio(void) { return false; } #define dwc2_max_packet(wmaxpacketsize) ((wmaxpacketsize) & 0x07ff) /* + * Returns true if frame1 index is greater than frame2 index. The comparison + * is done modulo FRLISTEN_64_SIZE. This accounts for the rollover of the + * frame number when the max index frame number is reached. + */ +static inline bool dwc2_frame_idx_num_gt(u16 fr_idx1, u16 fr_idx2) +{ + u16 diff = fr_idx1 - fr_idx2; + u16 sign = diff & (FRLISTEN_64_SIZE >> 1); + + return diff && !sign; +} + +/* * Returns true if frame1 is less than or equal to frame2. The comparison is * done modulo HFNUM_MAX_FRNUM. This accounts for the rollover of the * frame number when the max frame number is reached. |