diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/mv_udc.c | 6 | ||||
| -rw-r--r-- | drivers/usb/gadget/mv_udc.h | 115 |
2 files changed, 121 insertions, 0 deletions
diff --git a/drivers/usb/gadget/mv_udc.c b/drivers/usb/gadget/mv_udc.c index 3f50c0f..da41738 100644 --- a/drivers/usb/gadget/mv_udc.c +++ b/drivers/usb/gadget/mv_udc.c @@ -13,10 +13,16 @@ #include <config.h> #include <net.h> #include <malloc.h> +#include <asm/byteorder.h> +#include <asm/errno.h> #include <asm/io.h> #include <asm/unaligned.h> #include <linux/types.h> +#include <linux/usb/ch9.h> +#include <linux/usb/gadget.h> #include <usb/mv_udc.h> +#include "../host/ehci.h" +#include "mv_udc.h" /* * Check if the system has too long cachelines. If the cachelines are diff --git a/drivers/usb/gadget/mv_udc.h b/drivers/usb/gadget/mv_udc.h new file mode 100644 index 0000000..c7d8b33 --- /dev/null +++ b/drivers/usb/gadget/mv_udc.h @@ -0,0 +1,115 @@ +/* + * Copyright 2011, Marvell Semiconductor Inc. + * + * Licensed under the GPL-2 or later. + */ +#ifndef __GADGET__MV_UDC_H__ +#define __GADGET__MV_UDC_H__ + +#define NUM_ENDPOINTS 6 + +struct mv_udc { +#define MICRO_8FRAME 0x8 +#define USBCMD_ITC(x) ((((x) > 0xff) ? 0xff : x) << 16) +#define USBCMD_FS2 (1 << 15) +#define USBCMD_RST (1 << 1) +#define USBCMD_RUN (1) + u32 usbcmd; /* 0x140 */ +#define STS_SLI (1 << 8) +#define STS_URI (1 << 6) +#define STS_PCI (1 << 2) +#define STS_UEI (1 << 1) +#define STS_UI (1 << 0) + u32 usbsts; /* 0x144 */ + u32 pad1[3]; + u32 devaddr; /* 0x154 */ + u32 epinitaddr; /* 0x158 */ + u32 pad2[10]; +#define PTS_ENABLE 2 +#define PTS(x) (((x) & 0x3) << 30) +#define PFSC (1 << 24) + u32 portsc; /* 0x184 */ + u32 pad3[8]; +#define USBMODE_DEVICE 2 + u32 usbmode; /* 0x1a8 */ + u32 epstat; /* 0x1ac */ +#define EPT_TX(x) (1 << (((x) & 0xffff) + 16)) +#define EPT_RX(x) (1 << ((x) & 0xffff)) + u32 epprime; /* 0x1b0 */ + u32 epflush; /* 0x1b4 */ + u32 pad4; + u32 epcomp; /* 0x1bc */ +#define CTRL_TXE (1 << 23) +#define CTRL_TXR (1 << 22) +#define CTRL_RXE (1 << 7) +#define CTRL_RXR (1 << 6) +#define CTRL_TXT_BULK (2 << 18) +#define CTRL_RXT_BULK (2 << 2) + u32 epctrl[16]; /* 0x1c0 */ +}; + +struct mv_ep { + struct usb_ep ep; + struct list_head queue; + const struct usb_endpoint_descriptor *desc; + + struct usb_request req; + uint8_t *b_buf; + uint32_t b_len; + uint8_t b_fast[64] __aligned(ARCH_DMA_MINALIGN); +}; + +struct mv_drv { + struct usb_gadget gadget; + struct usb_gadget_driver *driver; + struct ehci_ctrl *ctrl; + struct ept_queue_head *epts; + struct ept_queue_item *items[2 * NUM_ENDPOINTS]; + uint8_t *items_mem; + struct mv_ep ep[NUM_ENDPOINTS]; +}; + +struct ept_queue_head { + unsigned config; + unsigned current; /* read-only */ + + unsigned next; + unsigned info; + unsigned page0; + unsigned page1; + unsigned page2; + unsigned page3; + unsigned page4; + unsigned reserved_0; + + unsigned char setup_data[8]; + + unsigned reserved_1; + unsigned reserved_2; + unsigned reserved_3; + unsigned reserved_4; +}; + +#define CONFIG_MAX_PKT(n) ((n) << 16) +#define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */ +#define CONFIG_IOS (1 << 15) /* IRQ on setup */ + +struct ept_queue_item { + unsigned next; + unsigned info; + unsigned page0; + unsigned page1; + unsigned page2; + unsigned page3; + unsigned page4; + unsigned reserved; +}; + +#define TERMINATE 1 +#define INFO_BYTES(n) ((n) << 16) +#define INFO_IOC (1 << 15) +#define INFO_ACTIVE (1 << 7) +#define INFO_HALTED (1 << 6) +#define INFO_BUFFER_ERROR (1 << 5) +#define INFO_TX_ERROR (1 << 3) +#endif |