diff options
Diffstat (limited to 'drivers/usb/chipidea/udc.h')
| -rw-r--r-- | drivers/usb/chipidea/udc.h | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h index 455ac2169226..c8a47389a46b 100644 --- a/drivers/usb/chipidea/udc.h +++ b/drivers/usb/chipidea/udc.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * udc.h - ChipIdea UDC structures * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DRIVERS_USB_CHIPIDEA_UDC_H @@ -22,11 +19,11 @@ /* DMA layout of transfer descriptors */ struct ci_hw_td { /* 0 */ - u32 next; + __le32 next; #define TD_TERMINATE BIT(0) #define TD_ADDR_MASK (0xFFFFFFEUL << 5) /* 1 */ - u32 token; + __le32 token; #define TD_STATUS (0x00FFUL << 0) #define TD_STATUS_TR_ERR BIT(3) #define TD_STATUS_DT_ERR BIT(5) @@ -36,7 +33,7 @@ struct ci_hw_td { #define TD_IOC BIT(15) #define TD_TOTAL_BYTES (0x7FFFUL << 16) /* 2 */ - u32 page[5]; + __le32 page[5]; #define TD_CURR_OFFSET (0x0FFFUL << 0) #define TD_FRAME_NUM (0x07FFUL << 0) #define TD_RESERVED_MASK (0x0FFFUL << 0) @@ -45,18 +42,18 @@ struct ci_hw_td { /* DMA layout of queue heads */ struct ci_hw_qh { /* 0 */ - u32 cap; + __le32 cap; #define QH_IOS BIT(15) #define QH_MAX_PKT (0x07FFUL << 16) #define QH_ZLT BIT(29) #define QH_MULT (0x0003UL << 30) #define QH_ISO_MULT(x) ((x >> 11) & 0x03) /* 1 */ - u32 curr; + __le32 curr; /* 2 - 8 */ struct ci_hw_td td; /* 9 */ - u32 RESERVED; + __le32 RESERVED; struct usb_ctrlrequest setup; } __attribute__ ((packed, aligned(4))); @@ -64,26 +61,27 @@ struct td_node { struct list_head td; dma_addr_t dma; struct ci_hw_td *ptr; + int td_remaining_size; }; /** * struct ci_hw_req - usb request representation * @req: request structure for gadget drivers * @queue: link to QH list - * @ptr: transfer descriptor for this request - * @dma: dma address for the transfer descriptor - * @zptr: transfer descriptor for the zero packet - * @zdma: dma address of the zero packet's transfer descriptor + * @tds: link to TD list + * @sgt: hold original sglist when bounce sglist */ struct ci_hw_req { struct usb_request req; struct list_head queue; struct list_head tds; + struct sg_table sgt; }; #ifdef CONFIG_USB_CHIPIDEA_UDC int ci_hdrc_gadget_init(struct ci_hdrc *ci); +void ci_hdrc_gadget_destroy(struct ci_hdrc *ci); #else @@ -92,6 +90,11 @@ static inline int ci_hdrc_gadget_init(struct ci_hdrc *ci) return -ENXIO; } +static inline void ci_hdrc_gadget_destroy(struct ci_hdrc *ci) +{ + +} + #endif #endif /* __DRIVERS_USB_CHIPIDEA_UDC_H */ |