diff options
Diffstat (limited to 'drivers/usb/gadget/at91_udc.h')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.h | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/drivers/usb/gadget/at91_udc.h b/drivers/usb/gadget/at91_udc.h deleted file mode 100644 index e592cc54ff..0000000000 --- a/drivers/usb/gadget/at91_udc.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (C) 2004 by Thomas Rathbone, HP Labs - * Copyright (C) 2005 by Ivan Kokshaysky - * Copyright (C) 2006 by SAN People - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef AT91_UDC_H -#define AT91_UDC_H - -/* - * USB Device Port (UDP) registers. - * Based on AT91RM9200 datasheet revision E. - */ - -#define AT91_UDP_FRM_NUM 0x00 /* Frame Number Register */ -#define AT91_UDP_NUM (0x7ff << 0) /* Frame Number */ -#define AT91_UDP_FRM_ERR (1 << 16) /* Frame Error */ -#define AT91_UDP_FRM_OK (1 << 17) /* Frame OK */ - -#define AT91_UDP_GLB_STAT 0x04 /* Global State Register */ -#define AT91_UDP_FADDEN (1 << 0) /* Function Address Enable */ -#define AT91_UDP_CONFG (1 << 1) /* Configured */ -#define AT91_UDP_ESR (1 << 2) /* Enable Send Resume */ -#define AT91_UDP_RSMINPR (1 << 3) /* Resume has been sent */ -#define AT91_UDP_RMWUPE (1 << 4) /* Remote Wake Up Enable */ - -#define AT91_UDP_FADDR 0x08 /* Function Address Register */ -#define AT91_UDP_FADD (0x7f << 0) /* Function Address Value */ -#define AT91_UDP_FEN (1 << 8) /* Function Enable */ - -#define AT91_UDP_IER 0x10 /* Interrupt Enable Register */ -#define AT91_UDP_IDR 0x14 /* Interrupt Disable Register */ -#define AT91_UDP_IMR 0x18 /* Interrupt Mask Register */ - -#define AT91_UDP_ISR 0x1c /* Interrupt Status Register */ -#define AT91_UDP_EP(n) (1 << (n)) /* Endpoint Interrupt Status */ -#define AT91_UDP_RXSUSP (1 << 8) /* USB Suspend Interrupt Status */ -#define AT91_UDP_RXRSM (1 << 9) /* USB Resume Interrupt Status */ -#define AT91_UDP_EXTRSM (1 << 10) /* External Resume Interrupt Status [AT91RM9200 only] */ -#define AT91_UDP_SOFINT (1 << 11) /* Start of Frame Interrupt Status */ -#define AT91_UDP_ENDBUSRES (1 << 12) /* End of Bus Reset Interrupt Status */ -#define AT91_UDP_WAKEUP (1 << 13) /* USB Wakeup Interrupt Status [AT91RM9200 only] */ - -#define AT91_UDP_ICR 0x20 /* Interrupt Clear Register */ -#define AT91_UDP_RST_EP 0x28 /* Reset Endpoint Register */ - -#define AT91_UDP_CSR(n) (0x30+((n)*4)) /* Endpoint Control/Status Registers 0-7 */ -#define AT91_UDP_TXCOMP (1 << 0) /* Generates IN packet with data previously written in DPR */ -#define AT91_UDP_RX_DATA_BK0 (1 << 1) /* Receive Data Bank 0 */ -#define AT91_UDP_RXSETUP (1 << 2) /* Send STALL to the host */ -#define AT91_UDP_STALLSENT (1 << 3) /* Stall Sent / Isochronous error (Isochronous endpoints) */ -#define AT91_UDP_TXPKTRDY (1 << 4) /* Transmit Packet Ready */ -#define AT91_UDP_FORCESTALL (1 << 5) /* Force Stall */ -#define AT91_UDP_RX_DATA_BK1 (1 << 6) /* Receive Data Bank 1 */ -#define AT91_UDP_DIR (1 << 7) /* Transfer Direction */ -#define AT91_UDP_EPTYPE (7 << 8) /* Endpoint Type */ -#define AT91_UDP_EPTYPE_CTRL (0 << 8) -#define AT91_UDP_EPTYPE_ISO_OUT (1 << 8) -#define AT91_UDP_EPTYPE_BULK_OUT (2 << 8) -#define AT91_UDP_EPTYPE_INT_OUT (3 << 8) -#define AT91_UDP_EPTYPE_ISO_IN (5 << 8) -#define AT91_UDP_EPTYPE_BULK_IN (6 << 8) -#define AT91_UDP_EPTYPE_INT_IN (7 << 8) -#define AT91_UDP_DTGLE (1 << 11) /* Data Toggle */ -#define AT91_UDP_EPEDS (1 << 15) /* Endpoint Enable/Disable */ -#define AT91_UDP_RXBYTECNT (0x7ff << 16) /* Number of bytes in FIFO */ - -#define AT91_UDP_FDR(n) (0x50+((n)*4)) /* Endpoint FIFO Data Registers 0-7 */ - -#define AT91_UDP_TXVC 0x74 /* Transceiver Control Register */ -#define AT91_UDP_TXVC_TXVDIS (1 << 8) /* Transceiver Disable */ -#define AT91_UDP_TXVC_PUON (1 << 9) /* PullUp On [AT91SAM9260 only] */ - -/*-------------------------------------------------------------------------*/ - -/* - * controller driver data structures - */ - -#define NUM_ENDPOINTS 6 - -/* - * hardware won't disable bus reset, or resume while the controller - * is suspended ... watching suspend helps keep the logic symmetric. - */ -#define MINIMUS_INTERRUPTUS \ - (AT91_UDP_ENDBUSRES | AT91_UDP_RXRSM | AT91_UDP_RXSUSP) - -struct at91_ep { - struct usb_ep ep; - struct list_head queue; - struct at91_udc *udc; - void __iomem *creg; - - unsigned maxpacket:16; - u8 int_mask; - unsigned is_pingpong:1; - - unsigned stopped:1; - unsigned is_in:1; - unsigned is_iso:1; - unsigned fifo_bank:1; - - const struct usb_endpoint_descriptor - *desc; -}; - -/* - * driver is non-SMP, and just blocks IRQs whenever it needs - * access protection for chip registers or driver state - */ -struct at91_udc { - struct usb_gadget gadget; - struct at91_ep ep[NUM_ENDPOINTS]; - struct usb_gadget_driver *driver; - unsigned vbus:1; - unsigned enabled:1; - unsigned clocked:1; - unsigned suspended:1; - unsigned req_pending:1; - unsigned wait_for_addr_ack:1; - unsigned wait_for_config_ack:1; - unsigned selfpowered:1; - unsigned active_suspend:1; - u8 addr; - u32 gpio_vbus_val; - struct at91_udc_data board; - struct clk *iclk, *fclk; - struct device_d *dev; - void __iomem *udp_baseaddr; - int udp_irq; -}; - -static inline struct at91_udc *to_udc(struct usb_gadget *g) -{ - return container_of(g, struct at91_udc, gadget); -} - -struct at91_request { - struct usb_request req; - struct list_head queue; -}; - -/*-------------------------------------------------------------------------*/ - -#ifdef VERBOSE_DEBUG -# define VDBG DBG -#else -# define VDBG(stuff...) do{}while(0) -#endif - -#ifdef PACKET_TRACE -# define PACKET VDBG -#else -# define PACKET(stuff...) do{}while(0) -#endif - -#define ERR(udc, stuff...) dev_err((udc)->dev, ##stuff) -#define WARNING(udc, stuff...) dev_warn((udc)->dev, ##stuff) -#define INFO(udc, stuff...) dev_info((udc)->dev, ##stuff) -#define DBG(udc, stuff...) dev_dbg((udc)->dev, ##stuff) - -#endif |