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/* $FreeBSD: release/9.1.0/sys/dev/usb/controller/avr32dci.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.
*/
#ifndef _AVR32DCI_H_
#define _AVR32DCI_H_
#define AVR32_MAX_DEVICES (USB_MIN_DEVICES + 1)
/* Register definitions */
#define AVR32_CTRL 0x00 /* Control */
#define AVR32_CTRL_DEV_ADDR 0x7F
#define AVR32_CTRL_DEV_FADDR_EN 0x80
#define AVR32_CTRL_DEV_EN_USBA 0x100
#define AVR32_CTRL_DEV_DETACH 0x200
#define AVR32_CTRL_DEV_REWAKEUP 0x400
#define AVR32_FNUM 0x04 /* Frame Number */
#define AVR32_FNUM_MASK 0x3FFF
#define AVR32_FRAME_MASK 0x7FF
/* 0x08 - 0x0C Reserved */
#define AVR32_IEN 0x10 /* Interrupt Enable */
#define AVR32_INTSTA 0x14 /* Interrupt Status */
#define AVR32_CLRINT 0x18 /* Clear Interrupt */
#define AVR32_INT_SPEED 0x00000001 /* set if High Speed else Full Speed */
#define AVR32_INT_DET_SUSPD 0x00000002
#define AVR32_INT_MICRO_SOF 0x00000004
#define AVR32_INT_INT_SOF 0x00000008
#define AVR32_INT_ENDRESET 0x00000010
#define AVR32_INT_WAKE_UP 0x00000020
#define AVR32_INT_ENDOFRSM 0x00000040
#define AVR32_INT_UPSTR_RES 0x00000080
#define AVR32_INT_EPT_INT(n) (0x00000100 << (n))
#define AVR32_INT_DMA_INT(n) (0x01000000 << (n))
#define AVR32_EPTRST 0x1C /* Endpoints Reset */
#define AVR32_EPTRST_MASK(n) (0x00000001 << (n))
/* 0x20 - 0xCC Reserved */
#define AVR32_TSTSOFCNT 0xD0 /* Test SOF Counter */
#define AVR32_TSTCNTA 0xD4 /* Test A Counter */
#define AVR32_TSTCNTB 0xD8 /* Test B Counter */
#define AVR32_TSTMODEREG 0xDC /* Test Mode */
#define AVR32_TST 0xE0 /* Test */
#define AVR32_TST_NORMAL 0x00000000
#define AVR32_TST_HS_ONLY 0x00000002
#define AVR32_TST_FS_ONLY 0x00000003
/* 0xE4 - 0xE8 Reserved */
#define AVR32_IPPADDRSIZE 0xEC /* PADDRSIZE */
#define AVR32_IPNAME1 0xF0 /* Name1 */
#define AVR32_IPNAME2 0xF4 /* Name2 */
#define AVR32_IPFEATURES 0xF8 /* Features */
#define AVR32_IPFEATURES_NEP(x) (((x) & 0xF) ? ((x) & 0xF) : 0x10)
#define AVR32_IPVERSION 0xFC /* IP Version */
#define _A(base,n) ((base) + (0x20*(n)))
#define AVR32_EPTCFG(n) _A(0x100, n) /* Endpoint Configuration */
#define AVR32_EPTCFG_EPSIZE(n) ((n)-3) /* power of two */
#define AVR32_EPTCFG_EPDIR_OUT 0x00000000
#define AVR32_EPTCFG_EPDIR_IN 0x00000008
#define AVR32_EPTCFG_TYPE_CTRL 0x00000000
#define AVR32_EPTCFG_TYPE_ISOC 0x00000100
#define AVR32_EPTCFG_TYPE_BULK 0x00000200
#define AVR32_EPTCFG_TYPE_INTR 0x00000300
#define AVR32_EPTCFG_NBANK(n) (0x00000400*(n))
#define AVR32_EPTCFG_NB_TRANS(n) (0x00001000*(n))
#define AVR32_EPTCFG_EPT_MAPD 0x80000000
#define AVR32_EPTCTLENB(n) _A(0x104, n) /* Endpoint Control Enable */
#define AVR32_EPTCTLDIS(n) _A(0x108, n) /* Endpoint Control Disable */
#define AVR32_EPTCTL(n) _A(0x10C, n) /* Endpoint Control */
#define AVR32_EPTCTL_EPT_ENABL 0x00000001
#define AVR32_EPTCTL_AUTO_VALID 0x00000002
#define AVR32_EPTCTL_INTDIS_DMA 0x00000008
#define AVR32_EPTCTL_NYET_DIS 0x00000010
#define AVR32_EPTCTL_DATAX_RX 0x00000040
#define AVR32_EPTCTL_MDATA_RX 0x00000080
#define AVR32_EPTCTL_ERR_OVFLW 0x00000100
#define AVR32_EPTCTL_RX_BK_RDY 0x00000200
#define AVR32_EPTCTL_TX_COMPLT 0x00000400
#define AVR32_EPTCTL_TX_PK_RDY 0x00000800
#define AVR32_EPTCTL_RX_SETUP 0x00001000
#define AVR32_EPTCTL_STALL_SNT 0x00002000
#define AVR32_EPTCTL_NAK_IN 0x00004000
#define AVR32_EPTCTL_NAK_OUT 0x00008000
#define AVR32_EPTCTL_BUSY_BANK 0x00040000
#define AVR32_EPTCTL_SHORT_PCKT 0x80000000
/* 0x110 Reserved */
#define AVR32_EPTSETSTA(n) _A(0x114, n) /* Endpoint Set Status */
#define AVR32_EPTCLRSTA(n) _A(0x118, n) /* Endpoint Clear Status */
#define AVR32_EPTSTA(n) _A(0x11C, n) /* Endpoint Status */
#define AVR32_EPTSTA_FRCESTALL 0x00000020
#define AVR32_EPTSTA_TOGGLESQ_STA(x) (((x) & 0xC0) >> 6)
#define AVR32_EPTSTA_TOGGLESQ 0x00000040
#define AVR32_EPTSTA_ERR_OVFLW 0x00000100
#define AVR32_EPTSTA_RX_BK_RDY 0x00000200
#define AVR32_EPTSTA_TX_COMPLT 0x00000400
#define AVR32_EPTSTA_TX_PK_RDY 0x00000800
#define AVR32_EPTSTA_RX_SETUP 0x00001000
#define AVR32_EPTSTA_STALL_SNT 0x00002000
#define AVR32_EPTSTA_NAK_IN 0x00004000
#define AVR32_EPTSTA_NAK_OUT 0x00008000
#define AVR32_EPTSTA_CURRENT_BANK(x) (((x) & 0x00030000) >> 16)
#define AVR32_EPTSTA_BUSY_BANK_STA(x) (((x) & 0x000C0000) >> 18)
#define AVR32_EPTSTA_BYTE_COUNT(x) (((x) & 0x7FF00000) >> 20)
#define AVR32_EPTSTA_SHRT_PCKT 0x80000000
/* 0x300 - 0x30C Reserved */
#define AVR32_DMANXTDSC 0x310 /* DMA Next Descriptor Address */
#define AVR32_DMAADDRESS 0x314 /* DMA Channel Address */
#define AVR32_READ_4(sc, reg) \
bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg)
#define AVR32_WRITE_4(sc, reg, data) \
bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, data)
#define AVR32_WRITE_MULTI_4(sc, reg, ptr, len) \
bus_space_write_multi_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, ptr, len)
#define AVR32_READ_MULTI_4(sc, reg, ptr, len) \
bus_space_read_multi_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, ptr, len)
/*
* Maximum number of endpoints supported:
*/
#define AVR32_EP_MAX 7
struct avr32dci_td;
typedef uint8_t (avr32dci_cmd_t)(struct avr32dci_td *td);
typedef void (avr32dci_clocks_t)(struct usb_bus *);
struct avr32dci_td {
struct avr32dci_td *obj_next;
avr32dci_cmd_t *func;
struct usb_page_cache *pc;
uint32_t offset;
uint32_t remainder;
uint16_t max_packet_size;
uint8_t bank_shift;
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 avr32dci_std_temp {
avr32dci_cmd_t *func;
struct usb_page_cache *pc;
struct avr32dci_td *td;
struct avr32dci_td *td_next;
uint32_t len;
uint32_t offset;
uint16_t max_frame_size;
uint8_t bank_shift;
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 avr32dci_config_desc {
struct usb_config_descriptor confd;
struct usb_interface_descriptor ifcd;
struct usb_endpoint_descriptor endpd;
} __packed;
union avr32dci_hub_temp {
uWord wValue;
struct usb_port_status ps;
};
struct avr32dci_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 avr32dci_softc {
struct usb_bus sc_bus;
union avr32dci_hub_temp sc_hub_temp;
/* must be set by by the bus interface layer */
avr32dci_clocks_t *sc_clocks_on;
avr32dci_clocks_t *sc_clocks_off;
struct usb_device *sc_devices[AVR32_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 *physdata;
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 avr32dci_flags sc_flags;
};
/* prototypes */
usb_error_t avr32dci_init(struct avr32dci_softc *sc);
void avr32dci_uninit(struct avr32dci_softc *sc);
void avr32dci_interrupt(struct avr32dci_softc *sc);
void avr32dci_vbus_interrupt(struct avr32dci_softc *sc, uint8_t is_on);
#endif /* _AVR32DCI_H_ */