freebsd-dev/sys/dev/usb/controller/uss820dci.h
Hans Petter Selasky 6d3fae9533 - Implement fast interrupt handler to save CPU usage.
- Add support for striding register offsets.
- Cleanup some register reads and writes to use existing register
access macros.
2014-08-05 06:33:59 +00:00

361 lines
13 KiB
C

/* $FreeBSD$ */
/*-
* Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org>
* 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 _USS820_DCI_H_
#define _USS820_DCI_H_
#define USS820_MAX_DEVICES (USB_MIN_DEVICES + 1)
#define USS820_EP_MAX 8 /* maximum number of endpoints */
#define USS820_TXDAT 0x00 /* Transmit FIFO data */
#define USS820_TXCNTL 0x01 /* Transmit FIFO byte count low */
#define USS820_TXCNTL_MASK 0xFF
#define USS820_TXCNTH 0x02 /* Transmit FIFO byte count high */
#define USS820_TXCNTH_MASK 0x03
#define USS820_TXCNTH_UNUSED 0xFC
#define USS820_TXCON 0x03 /* USB transmit FIFO control */
#define USS820_TXCON_REVRP 0x01
#define USS820_TXCON_ADVRM 0x02
#define USS820_TXCON_ATM 0x04 /* Automatic Transmit Management */
#define USS820_TXCON_TXISO 0x08 /* Transmit Isochronous Data */
#define USS820_TXCON_UNUSED 0x10
#define USS820_TXCON_FFSZ_16_64 0x00
#define USS820_TXCON_FFSZ_64_256 0x20
#define USS820_TXCON_FFSZ_8_512 0x40
#define USS820_TXCON_FFSZ_32_1024 0x60
#define USS820_TXCON_FFSZ_MASK 0x60
#define USS820_TXCON_TXCLR 0x80 /* Transmit FIFO clear */
#define USS820_TXFLG 0x04 /* Transmit FIFO flag (Read Only) */
#define USS820_TXFLG_TXOVF 0x01 /* TX overrun */
#define USS820_TXFLG_TXURF 0x02 /* TX underrun */
#define USS820_TXFLG_TXFULL 0x04 /* TX full */
#define USS820_TXFLG_TXEMP 0x08 /* TX empty */
#define USS820_TXFLG_UNUSED 0x30
#define USS820_TXFLG_TXFIF0 0x40
#define USS820_TXFLG_TXFIF1 0x80
#define USS820_RXDAT 0x05 /* Receive FIFO data */
#define USS820_RXCNTL 0x06 /* Receive FIFO byte count low */
#define USS820_RXCNTL_MASK 0xFF
#define USS820_RXCNTH 0x07 /* Receive FIFO byte count high */
#define USS820_RXCNTH_MASK 0x03
#define USS820_RXCNTH_UNUSED 0xFC
#define USS820_RXCON 0x08 /* Receive FIFO control */
#define USS820_RXCON_REVWP 0x01
#define USS820_RXCON_ADVWM 0x02
#define USS820_RXCON_ARM 0x04 /* Auto Receive Management */
#define USS820_RXCON_RXISO 0x08 /* Receive Isochronous Data */
#define USS820_RXCON_RXFFRC 0x10 /* FIFO Read Complete */
#define USS820_RXCON_FFSZ_16_64 0x00
#define USS820_RXCON_FFSZ_64_256 0x20
#define USS820_RXCON_FFSZ_8_512 0x40
#define USS820_RXCON_FFSZ_32_1024 0x60
#define USS820_RXCON_RXCLR 0x80 /* Receive FIFO clear */
#define USS820_RXFLG 0x09 /* Receive FIFO flag (Read Only) */
#define USS820_RXFLG_RXOVF 0x01 /* RX overflow */
#define USS820_RXFLG_RXURF 0x02 /* RX underflow */
#define USS820_RXFLG_RXFULL 0x04 /* RX full */
#define USS820_RXFLG_RXEMP 0x08 /* RX empty */
#define USS820_RXFLG_RXFLUSH 0x10 /* RX flush */
#define USS820_RXFLG_UNUSED 0x20
#define USS820_RXFLG_RXFIF0 0x40
#define USS820_RXFLG_RXFIF1 0x80
#define USS820_EPINDEX 0x0a /* Endpoint index selection */
#define USS820_EPINDEX_MASK 0x07
#define USS820_EPINDEX_UNUSED 0xF8
#define USS820_EPCON 0x0b /* Endpoint control */
#define USS820_EPCON_TXEPEN 0x01 /* Transmit Endpoint Enable */
#define USS820_EPCON_TXOE 0x02 /* Transmit Output Enable */
#define USS820_EPCON_RXEPEN 0x04 /* Receive Endpoint Enable */
#define USS820_EPCON_RXIE 0x08 /* Receive Input Enable */
#define USS820_EPCON_RXSPM 0x10 /* Receive Single-Packet Mode */
#define USS820_EPCON_CTLEP 0x20 /* Control Endpoint */
#define USS820_EPCON_TXSTL 0x40 /* Stall Transmit Endpoint */
#define USS820_EPCON_RXSTL 0x80 /* Stall Receive Endpoint */
#define USS820_TXSTAT 0x0c /* Transmit status */
#define USS820_TXSTAT_TXACK 0x01 /* Transmit Acknowledge */
#define USS820_TXSTAT_TXERR 0x02 /* Transmit Error */
#define USS820_TXSTAT_TXVOID 0x04 /* Transmit Void */
#define USS820_TXSTAT_TXSOVW 0x08 /* Transmit Data Sequence Overwrite
* Bit */
#define USS820_TXSTAT_TXFLUSH 0x10 /* Transmit FIFO Packet Flushed */
#define USS820_TXSTAT_TXNAKE 0x20 /* Transmit NAK Mode Enable */
#define USS820_TXSTAT_TXDSAM 0x40 /* Transmit Data-Set-Available Mode */
#define USS820_TXSTAT_TXSEQ 0x80 /* Transmitter Current Sequence Bit */
#define USS820_RXSTAT 0x0d /* Receive status */
#define USS820_RXSTAT_RXACK 0x01 /* Receive Acknowledge */
#define USS820_RXSTAT_RXERR 0x02 /* Receive Error */
#define USS820_RXSTAT_RXVOID 0x04 /* Receive Void */
#define USS820_RXSTAT_RXSOVW 0x08 /* Receive Data Sequence Overwrite Bit */
#define USS820_RXSTAT_EDOVW 0x10 /* End Overwrite Flag */
#define USS820_RXSTAT_STOVW 0x20 /* Start Overwrite Flag */
#define USS820_RXSTAT_RXSETUP 0x40 /* Received SETUP token */
#define USS820_RXSTAT_RXSEQ 0x80 /* Receiver Endpoint Sequence Bit */
#define USS820_SOFL 0x0e /* Start Of Frame counter low */
#define USS820_SOFL_MASK 0xFF
#define USS820_SOFH 0x0f /* Start Of Frame counter high */
#define USS820_SOFH_MASK 0x07
#define USS820_SOFH_SOFDIS 0x08 /* SOF Pin Output Disable */
#define USS820_SOFH_FTLOCK 0x10 /* Frame Timer Lock */
#define USS820_SOFH_SOFIE 0x20 /* SOF Interrupt Enable */
#define USS820_SOFH_ASOF 0x40 /* Any Start of Frame */
#define USS820_SOFH_SOFACK 0x80 /* SOF Token Received Without Error */
#define USS820_FADDR 0x10 /* Function Address */
#define USS820_FADDR_MASK 0x7F
#define USS820_FADDR_UNUSED 0x80
#define USS820_SCR 0x11 /* System Control */
#define USS820_SCR_UNUSED 0x01
#define USS820_SCR_T_IRQ 0x02 /* Global Interrupt Enable */
#define USS820_SCR_IRQLVL 0x04 /* Interrupt Mode */
#define USS820_SCR_SRESET 0x08 /* Software reset */
#define USS820_SCR_IE_RESET 0x10 /* Enable Reset Interrupt */
#define USS820_SCR_IE_SUSP 0x20 /* Enable Suspend Interrupt */
#define USS820_SCR_RWUPE 0x40 /* Enable Remote Wake-Up Feature */
#define USS820_SCR_IRQPOL 0x80 /* IRQ polarity */
#define USS820_SSR 0x12 /* System Status */
#define USS820_SSR_RESET 0x01 /* Reset Condition Detected on USB
* cable */
#define USS820_SSR_SUSPEND 0x02 /* Suspend Detected */
#define USS820_SSR_RESUME 0x04 /* Resume Detected */
#define USS820_SSR_SUSPDIS 0x08 /* Suspend Disable */
#define USS820_SSR_SUSPPO 0x10 /* Suspend Power Off */
#define USS820_SSR_UNUSED 0xE0
#define USS820_UNK0 0x13 /* Unknown */
#define USS820_UNK0_UNUSED 0xFF
#define USS820_SBI 0x14 /* Serial bus interrupt low */
#define USS820_SBI_FTXD0 0x01 /* Function Transmit Done, EP 0 */
#define USS820_SBI_FRXD0 0x02 /* Function Receive Done, EP 0 */
#define USS820_SBI_FTXD1 0x04
#define USS820_SBI_FRXD1 0x08
#define USS820_SBI_FTXD2 0x10
#define USS820_SBI_FRXD2 0x20
#define USS820_SBI_FTXD3 0x40
#define USS820_SBI_FRXD3 0x80
#define USS820_SBI1 0x15 /* Serial bus interrupt high */
#define USS820_SBI1_FTXD4 0x01
#define USS820_SBI1_FRXD4 0x02
#define USS820_SBI1_FTXD5 0x04
#define USS820_SBI1_FRXD5 0x08
#define USS820_SBI1_FTXD6 0x10
#define USS820_SBI1_FRXD6 0x20
#define USS820_SBI1_FTXD7 0x40
#define USS820_SBI1_FRXD7 0x80
#define USS820_SBIE 0x16 /* Serial bus interrupt enable low */
#define USS820_SBIE_FTXIE0 0x01
#define USS820_SBIE_FRXIE0 0x02
#define USS820_SBIE_FTXIE1 0x04
#define USS820_SBIE_FRXIE1 0x08
#define USS820_SBIE_FTXIE2 0x10
#define USS820_SBIE_FRXIE2 0x20
#define USS820_SBIE_FTXIE3 0x40
#define USS820_SBIE_FRXIE3 0x80
#define USS820_SBIE1 0x17 /* Serial bus interrupt enable high */
#define USS820_SBIE1_FTXIE4 0x01
#define USS820_SBIE1_FRXIE4 0x02
#define USS820_SBIE1_FTXIE5 0x04
#define USS820_SBIE1_FRXIE5 0x08
#define USS820_SBIE1_FTXIE6 0x10
#define USS820_SBIE1_FRXIE6 0x20
#define USS820_SBIE1_FTXIE7 0x40
#define USS820_SBIE1_FRXIE7 0x80
#define USS820_REV 0x18 /* Hardware revision */
#define USS820_REV_MIN 0x0F
#define USS820_REV_MAJ 0xF0
#define USS820_LOCK 0x19 /* Suspend power-off locking */
#define USS820_LOCK_UNLOCKED 0x01
#define USS820_LOCK_UNUSED 0xFE
#define USS820_PEND 0x1a /* Pend hardware status update */
#define USS820_PEND_PEND 0x01
#define USS820_PEND_UNUSED 0xFE
#define USS820_SCRATCH 0x1b /* Scratch firmware information */
#define USS820_SCRATCH_MASK 0x7F
#define USS820_SCRATCH_IE_RESUME 0x80 /* Enable Resume Interrupt */
#define USS820_MCSR 0x1c /* Miscellaneous control and status */
#define USS820_MCSR_DPEN 0x01 /* DPLS Pull-Up Enable */
#define USS820_MCSR_SUSPLOE 0x02 /* Suspend Lock Out Enable */
#define USS820_MCSR_BDFEAT 0x04 /* Board Feature Enable */
#define USS820_MCSR_FEAT 0x08 /* Feature Enable */
#define USS820_MCSR_PKGID 0x10 /* Package Identification */
#define USS820_MCSR_SUSPS 0x20 /* Suspend Status */
#define USS820_MCSR_INIT 0x40 /* Device Initialized */
#define USS820_MCSR_RWUPR 0x80 /* Remote Wakeup-Up Remember */
#define USS820_DSAV 0x1d /* Data set available low (Read Only) */
#define USS820_DSAV_TXAV0 0x01
#define USS820_DSAV_RXAV0 0x02
#define USS820_DSAV_TXAV1 0x04
#define USS820_DSAV_RXAV1 0x08
#define USS820_DSAV_TXAV2 0x10
#define USS820_DSAV_RXAV2 0x20
#define USS820_DSAV_TXAV3 0x40
#define USS820_DSAV_RXAV3 0x80
#define USS820_DSAV1 0x1e /* Data set available high */
#define USS820_DSAV1_TXAV4 0x01
#define USS820_DSAV1_RXAV4 0x02
#define USS820_DSAV1_TXAV5 0x04
#define USS820_DSAV1_RXAV5 0x08
#define USS820_DSAV1_TXAV6 0x10
#define USS820_DSAV1_RXAV6 0x20
#define USS820_DSAV1_TXAV7 0x40
#define USS820_DSAV1_RXAV7 0x80
#define USS820_UNK1 0x1f /* Unknown */
#define USS820_UNK1_UNKNOWN 0xFF
#ifndef USS820_REG_STRIDE
#define USS820_REG_STRIDE 1
#endif
#define USS820_READ_1(sc, reg) \
bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (reg) * USS820_REG_STRIDE)
#define USS820_WRITE_1(sc, reg, data) \
bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (reg) * USS820_REG_STRIDE, (data))
struct uss820dci_td;
struct uss820dci_softc;
typedef uint8_t (uss820dci_cmd_t)(struct uss820dci_softc *, struct uss820dci_td *td);
struct uss820dci_td {
struct uss820dci_td *obj_next;
uss820dci_cmd_t *func;
struct usb_page_cache *pc;
uint32_t offset;
uint32_t remainder;
uint16_t max_packet_size;
uint8_t ep_index;
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 did_enable:1;
};
struct uss820_std_temp {
uss820dci_cmd_t *func;
struct usb_page_cache *pc;
struct uss820dci_td *td;
struct uss820dci_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 uss820dci_config_desc {
struct usb_config_descriptor confd;
struct usb_interface_descriptor ifcd;
struct usb_endpoint_descriptor endpd;
} __packed;
union uss820_hub_temp {
uWord wValue;
struct usb_port_status ps;
};
struct uss820_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 clocks_off:1;
uint8_t port_powered:1;
uint8_t port_enabled:1;
uint8_t d_pulled_up:1;
uint8_t mcsr_feat:1;
};
struct uss820dci_softc {
struct usb_bus sc_bus;
union uss820_hub_temp sc_hub_temp;
struct usb_device *sc_devices[USS820_MAX_DEVICES];
struct resource *sc_io_res;
struct resource *sc_irq_res;
void *sc_intr_hdl;
bus_size_t sc_io_size;
bus_space_tag_t sc_io_tag;
bus_space_handle_t sc_io_hdl;
uint32_t sc_xfer_complete;
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 uss820_flags sc_flags;
};
/* prototypes */
usb_error_t uss820dci_init(struct uss820dci_softc *sc);
void uss820dci_uninit(struct uss820dci_softc *sc);
driver_filter_t uss820dci_filter_interrupt;
driver_intr_t uss820dci_interrupt;
#endif /* _USS820_DCI_H_ */