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/* $FreeBSD: release/9.1.0/sys/dev/usb/controller/atmegadci.h 229096 2011-12-31 14:22:02Z hselasky $ */
/*-
* Copyright (c) 2009 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* USB Device Port register definitions, copied from ATMEGA documentation
* provided by ATMEL.
*/
#ifndef _ATMEGADCI_H_
#define _ATMEGADCI_H_
#define ATMEGA_MAX_DEVICES (USB_MIN_DEVICES + 1)
#define ATMEGA_OTGTCON 0xF9
#define ATMEGA_OTGTCON_VALUE(x) ((x) << 0)
#define ATMEGA_OTGTCON_PAGE(x) ((x) << 5)
#define ATMEGA_UEINT 0xF4
#define ATMEGA_UEINT_MASK(n) (1 << (n)) /* endpoint interrupt mask */
#define ATMEGA_UEBCHX 0xF3 /* FIFO byte count high */
#define ATMEGA_UEBCLX 0xF2 /* FIFO byte count low */
#define ATMEGA_UEDATX 0xF1 /* FIFO data */
#define ATMEGA_UEIENX 0xF0 /* interrupt enable register */
#define ATMEGA_UEIENX_TXINE (1 << 0)
#define ATMEGA_UEIENX_STALLEDE (1 << 1)
#define ATMEGA_UEIENX_RXOUTE (1 << 2)
#define ATMEGA_UEIENX_RXSTPE (1 << 3) /* received SETUP packet */
#define ATMEGA_UEIENX_NAKOUTE (1 << 4)
#define ATMEGA_UEIENX_NAKINE (1 << 6)
#define ATMEGA_UEIENX_FLERRE (1 << 7)
#define ATMEGA_UESTA1X 0xEF
#define ATMEGA_UESTA1X_CURRBK (3 << 0) /* current bank */
#define ATMEGA_UESTA1X_CTRLDIR (1 << 2) /* control endpoint direction */
#define ATMEGA_UESTA0X 0xEE
#define ATMEGA_UESTA0X_NBUSYBK (3 << 0)
#define ATMEGA_UESTA0X_DTSEQ (3 << 2)
#define ATMEGA_UESTA0X_UNDERFI (1 << 5) /* underflow */
#define ATMEGA_UESTA0X_OVERFI (1 << 6) /* overflow */
#define ATMEGA_UESTA0X_CFGOK (1 << 7)
#define ATMEGA_UECFG1X 0xED /* endpoint config register */
#define ATMEGA_UECFG1X_ALLOC (1 << 1)
#define ATMEGA_UECFG1X_EPBK0 (0 << 2)
#define ATMEGA_UECFG1X_EPBK1 (1 << 2)
#define ATMEGA_UECFG1X_EPBK2 (2 << 2)
#define ATMEGA_UECFG1X_EPBK3 (3 << 2)
#define ATMEGA_UECFG1X_EPSIZE(n) ((n) << 4)
#define ATMEGA_UECFG0X 0xEC
#define ATMEGA_UECFG0X_EPDIR (1 << 0) /* endpoint direction */
#define ATMEGA_UECFG0X_EPTYPE0 (0 << 6)
#define ATMEGA_UECFG0X_EPTYPE1 (1 << 6)
#define ATMEGA_UECFG0X_EPTYPE2 (2 << 6)
#define ATMEGA_UECFG0X_EPTYPE3 (3 << 6)
#define ATMEGA_UECONX 0xEB
#define ATMEGA_UECONX_EPEN (1 << 0)
#define ATMEGA_UECONX_RSTDT (1 << 3)
#define ATMEGA_UECONX_STALLRQC (1 << 4) /* stall request clear */
#define ATMEGA_UECONX_STALLRQ (1 << 5) /* stall request set */
#define ATMEGA_UERST 0xEA /* endpoint reset register */
#define ATMEGA_UERST_MASK(n) (1 << (n))
#define ATMEGA_UENUM 0xE9 /* endpoint number */
#define ATMEGA_UEINTX 0xE8 /* interrupt register */
#define ATMEGA_UEINTX_TXINI (1 << 0)
#define ATMEGA_UEINTX_STALLEDI (1 << 1)
#define ATMEGA_UEINTX_RXOUTI (1 << 2)
#define ATMEGA_UEINTX_RXSTPI (1 << 3) /* received setup packet */
#define ATMEGA_UEINTX_NAKOUTI (1 << 4)
#define ATMEGA_UEINTX_RWAL (1 << 5)
#define ATMEGA_UEINTX_NAKINI (1 << 6)
#define ATMEGA_UEINTX_FIFOCON (1 << 7)
#define ATMEGA_UDMFN 0xE6
#define ATMEGA_UDMFN_FNCERR (1 << 4)
#define ATMEGA_UDFNUMH 0xE5 /* frame number high */
#define ATMEGA_UDFNUMH_MASK 7
#define ATMEGA_UDFNUML 0xE4 /* frame number low */
#define ATMEGA_UDFNUML_MASK 0xFF
#define ATMEGA_FRAME_MASK 0x7FF
#define ATMEGA_UDADDR 0xE3 /* USB address */
#define ATMEGA_UDADDR_MASK 0x7F
#define ATMEGA_UDADDR_ADDEN (1 << 7)
#define ATMEGA_UDIEN 0xE2 /* USB device interrupt enable */
#define ATMEGA_UDINT_SUSPE (1 << 0)
#define ATMEGA_UDINT_MSOFE (1 << 1)
#define ATMEGA_UDINT_SOFE (1 << 2)
#define ATMEGA_UDINT_EORSTE (1 << 3)
#define ATMEGA_UDINT_WAKEUPE (1 << 4)
#define ATMEGA_UDINT_EORSME (1 << 5)
#define ATMEGA_UDINT_UPRSME (1 << 6)
#define ATMEGA_UDINT 0xE1 /* USB device interrupt status */
#define ATMEGA_UDINT_SUSPI (1 << 0)
#define ATMEGA_UDINT_MSOFI (1 << 1)
#define ATMEGA_UDINT_SOFI (1 << 2)
#define ATMEGA_UDINT_EORSTI (1 << 3)
#define ATMEGA_UDINT_WAKEUPI (1 << 4)
#define ATMEGA_UDINT_EORSMI (1 << 5)
#define ATMEGA_UDINT_UPRSMI (1 << 6)
#define ATMEGA_UDCON 0xE0 /* USB device connection register */
#define ATMEGA_UDCON_DETACH (1 << 0)
#define ATMEGA_UDCON_RMWKUP (1 << 1)
#define ATMEGA_UDCON_LSM (1 << 2)
#define ATMEGA_UDCON_RSTCPU (1 << 3)
#define ATMEGA_OTGINT 0xDF
#define ATMEGA_OTGCON 0xDD
#define ATMEGA_OTGCON_VBUSRQC (1 << 0)
#define ATMEGA_OTGCON_VBUSREQ (1 << 1)
#define ATMEGA_OTGCON_VBUSHWC (1 << 2)
#define ATMEGA_OTGCON_SRPSEL (1 << 3)
#define ATMEGA_OTGCON_SRPREQ (1 << 4)
#define ATMEGA_OTGCON_HNPREQ (1 << 5)
#define ATMEGA_USBINT 0xDA
#define ATMEGA_USBINT_VBUSTI (1 << 0) /* USB VBUS interrupt */
#define ATMEGA_USBINT_IDI (1 << 1) /* USB ID interrupt */
#define ATMEGA_USBSTA 0xD9
#define ATMEGA_USBSTA_VBUS (1 << 0)
#define ATMEGA_USBSTA_ID (1 << 1)
#define ATMEGA_USBCON 0xD8
#define ATMEGA_USBCON_VBUSTE (1 << 0)
#define ATMEGA_USBCON_IDE (1 << 1)
#define ATMEGA_USBCON_OTGPADE (1 << 4)
#define ATMEGA_USBCON_FRZCLK (1 << 5)
#define ATMEGA_USBCON_USBE (1 << 7)
#define ATMEGA_UHWCON 0xD7
#define ATMEGA_UHWCON_UVREGE (1 << 0)
#define ATMEGA_UHWCON_UVCONE (1 << 4)
#define ATMEGA_UHWCON_UIDE (1 << 6)
#define ATMEGA_UHWCON_UIMOD (1 << 7)
#define ATMEGA_READ_1(sc, reg) \
bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg)
#define ATMEGA_WRITE_1(sc, reg, data) \
bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, data)
#define ATMEGA_WRITE_MULTI_1(sc, reg, ptr, len) \
bus_space_write_multi_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, ptr, len)
#define ATMEGA_READ_MULTI_1(sc, reg, ptr, len) \
bus_space_read_multi_1((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, ptr, len)
/*
* Maximum number of endpoints supported:
*/
#define ATMEGA_EP_MAX 7
struct atmegadci_td;
typedef uint8_t (atmegadci_cmd_t)(struct atmegadci_td *td);
typedef void (atmegadci_clocks_t)(struct usb_bus *);
struct atmegadci_td {
struct atmegadci_td *obj_next;
atmegadci_cmd_t *func;
struct usb_page_cache *pc;
uint32_t offset;
uint32_t remainder;
uint16_t max_packet_size;
uint8_t error:1;
uint8_t alt_next:1;
uint8_t short_pkt:1;
uint8_t support_multi_buffer:1;
uint8_t did_stall:1;
uint8_t ep_no:3;
};
struct atmegadci_std_temp {
atmegadci_cmd_t *func;
struct usb_page_cache *pc;
struct atmegadci_td *td;
struct atmegadci_td *td_next;
uint32_t len;
uint32_t offset;
uint16_t max_frame_size;
uint8_t short_pkt;
/*
* short_pkt = 0: transfer should be short terminated
* short_pkt = 1: transfer should not be short terminated
*/
uint8_t setup_alt_next;
uint8_t did_stall;
};
struct atmegadci_config_desc {
struct usb_config_descriptor confd;
struct usb_interface_descriptor ifcd;
struct usb_endpoint_descriptor endpd;
} __packed;
union atmegadci_hub_temp {
uWord wValue;
struct usb_port_status ps;
};
struct atmegadci_flags {
uint8_t change_connect:1;
uint8_t change_suspend:1;
uint8_t status_suspend:1; /* set if suspended */
uint8_t status_vbus:1; /* set if present */
uint8_t status_bus_reset:1; /* set if reset complete */
uint8_t remote_wakeup:1;
uint8_t self_powered:1;
uint8_t clocks_off:1;
uint8_t port_powered:1;
uint8_t port_enabled:1;
uint8_t d_pulled_up:1;
};
struct atmegadci_softc {
struct usb_bus sc_bus;
union atmegadci_hub_temp sc_hub_temp;
/* must be set by by the bus interface layer */
atmegadci_clocks_t *sc_clocks_on;
atmegadci_clocks_t *sc_clocks_off;
struct usb_device *sc_devices[ATMEGA_MAX_DEVICES];
struct resource *sc_irq_res;
void *sc_intr_hdl;
struct resource *sc_io_res;
bus_space_tag_t sc_io_tag;
bus_space_handle_t sc_io_hdl;
uint8_t sc_rt_addr; /* root hub address */
uint8_t sc_dv_addr; /* device address */
uint8_t sc_conf; /* root hub config */
uint8_t sc_hub_idata[1];
struct atmegadci_flags sc_flags;
};
/* prototypes */
usb_error_t atmegadci_init(struct atmegadci_softc *sc);
void atmegadci_uninit(struct atmegadci_softc *sc);
void atmegadci_interrupt(struct atmegadci_softc *sc);
#endif /* _ATMEGADCI_H_ */