diff options
Diffstat (limited to 'include/usb/mv_udc.h')
| -rw-r--r-- | include/usb/mv_udc.h | 88 |
1 files changed, 41 insertions, 47 deletions
diff --git a/include/usb/mv_udc.h b/include/usb/mv_udc.h index c7696e6..c71516c 100644 --- a/include/usb/mv_udc.h +++ b/include/usb/mv_udc.h @@ -14,39 +14,19 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -/* Endpoint 0 states */ -#define EP0_IDLE 0 -#define EP0_IN_DATA 1 -#define EP0_OUT_DATA 2 -#define EP0_XFER_COMPLETE 3 +#include "../../drivers/usb/host/ehci.h" +#define NUM_ENDPOINTS 6 /* Endpoint parameters */ #define MAX_ENDPOINTS 4 -#define EP_MAX_PACKET_SIZE 0x200 +#define EP_MAX_PACKET_SIZE 0x200 #define EP0_MAX_PACKET_SIZE 64 -#define UDC_OUT_ENDPOINT 0x02 -#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE -#define UDC_IN_ENDPOINT 0x01 -#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE -#define UDC_INT_ENDPOINT 0x05 -#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE -#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE - -#define NUM_ENDPOINTS 6 -#define REQ_COUNT 12 -struct mv_ep { - struct usb_ep ep; - struct usb_request req; - struct list_head queue; - const struct usb_endpoint_descriptor *desc; -}; struct mv_udc { - u32 pad0[80]; #define MICRO_8FRAME 0x8 -#define USBCMD_ITC(x) (((x > 0xff) ? 0xff : x) << 16) +#define USBCMD_ITC(x) ((((x) > 0xff) ? 0xff : x) << 16) #define USBCMD_FS2 (1 << 15) #define USBCMD_RST (1 << 1) #define USBCMD_RUN (1) @@ -62,37 +42,52 @@ struct mv_udc { u32 epinitaddr; /* 0x158 */ u32 pad2[10]; #define PTS_ENABLE 2 -#define PTS(x) ((x & 0x3) << 30) +#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)) +#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) +#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 mv_udc *udc; + 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 current; /* read-only */ unsigned next; unsigned info; @@ -111,9 +106,9 @@ struct ept_queue_head { 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 */ +#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; @@ -127,12 +122,11 @@ struct ept_queue_item { }; #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) - -extern int usb_lowlevel_init(int index, void **controller); +#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 /* __MV_UDC_H__ */ |