/* * 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; }; struct at91_udc_caps { int (*init)(struct at91_udc *udc); void (*pullup)(struct at91_udc *udc, int is_on); }; struct at91_udc_data { int vbus_pin; /* high == host powering us */ u8 vbus_active_low; /* vbus polarity */ u8 vbus_polled; /* Use polling, not interrupt */ int pullup_pin; /* active == D+ pulled up */ u8 pullup_active_low; /* true == pullup_pin is active low */ }; /* * 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; const struct at91_udc_caps *caps; 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 active_suspend:1; u8 addr; struct at91_udc_data board; struct clk *iclk, *fclk; struct platform_device *pdev; struct proc_dir_entry *pde; void __iomem *udp_baseaddr; int udp_irq; spinlock_t lock; struct timer_list vbus_timer; struct work_struct vbus_timer_work; struct regmap *matrix; };
static inline struct at91_udc *to_udc(struct usb_gadget *g) { return container_of(g, struct at91_udc, gadget); }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 518 | 84.50% | 5 | 33.33% |
| Boris Brezillon | 43 | 7.01% | 1 | 6.67% |
| Alexandre Belloni | 25 | 4.08% | 1 | 6.67% |
| Andrew Victor | 12 | 1.96% | 2 | 13.33% |
| Ryan Mallon | 8 | 1.31% | 1 | 6.67% |
| Harro Haan | 3 | 0.49% | 1 | 6.67% |
| Joe Perches | 2 | 0.33% | 2 | 13.33% |
| Klaus Schwarzkopf | 1 | 0.16% | 1 | 6.67% |
| Arjan van de Ven | 1 | 0.16% | 1 | 6.67% |
| Total | 613 | 100.00% | 15 | 100.00% |