cp2112.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/condvar.h>
#include <sys/bus.h>
#include <sys/gpio.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/sdt.h>
#include <sys/sx.h>
#include <dev/gpio/gpiobusvar.h>
#include <dev/iicbus/iiconf.h>
#include <dev/iicbus/iicbus.h>
#include "iicbus_if.h"
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbhid.h>
#include "usbdevs.h"
#include <dev/usb/usb_debug.h>

Include dependency graph for cp2112.c:

Go to the source code of this file.

Data Structures
struct	version_request
struct	gpio_get_req
struct	gpio_set_req
struct	gpio_config_req
struct	i2c_xfer_status_req
struct	i2c_xfer_status_resp
struct	i2c_data_read_force_send_req
struct	i2c_data_read_resp
struct	i2c_write_read_req
struct	i2c_read_req
struct	i2c_write_req
struct	i2c_cfg_req
struct	cp2112_softc
struct	cp2112gpio_softc
struct	cp2112iic_softc

Macros
#define	USB_DEBUG_VAR   usb_debug
#define	SIZEOF_FIELD(_s, _f)   sizeof(((struct _s *)NULL)->_f)
#define	CP2112GPIO_LOCK(sc)   sx_xlock(&sc->gpio_lock)
#define	CP2112GPIO_UNLOCK(sc)   sx_xunlock(&sc->gpio_lock)
#define	CP2112GPIO_LOCKED(sc)   sx_assert(&sc->gpio_lock, SX_XLOCKED)
#define	CP2112_PART_NUM   0x0c
#define	CP2112_GPIO_COUNT   8
#define	CP2112_REPORT_SIZE   64
#define	CP2112_REQ_RESET   0x1
#define	CP2112_REQ_GPIO_CFG   0x2
#define	CP2112_REQ_GPIO_GET   0x3
#define	CP2112_REQ_GPIO_SET   0x4
#define	CP2112_REQ_VERSION   0x5
#define	CP2112_REQ_SMB_CFG   0x6
#define	CP2112_REQ_SMB_READ   0x10
#define	CP2112_REQ_SMB_WRITE_READ   0x11
#define	CP2112_REQ_SMB_READ_FORCE_SEND   0x12
#define	CP2112_REQ_SMB_READ_RESPONSE   0x13
#define	CP2112_REQ_SMB_WRITE   0x14
#define	CP2112_REQ_SMB_XFER_STATUS_REQ   0x15
#define	CP2112_REQ_SMB_XFER_STATUS_RESP   0x16
#define	CP2112_REQ_SMB_CANCEL   0x17
#define	CP2112_REQ_LOCK   0x20
#define	CP2112_REQ_USB_CFG   0x21
#define	CP2112_IIC_MAX_READ_LEN   512
#define	CP2112_IIC_REPSTART_VER   2 /* Erratum CP2112_E10. */
#define	CP2112_GPIO_SPEC_CLK7   1 /* Pin 7 is clock output. */
#define	CP2112_GPIO_SPEC_TX0   2 /* Pin 0 pulses on USB TX. */
#define	CP2112_GPIO_SPEC_RX1   4 /* Pin 1 pulses on USB RX. */
#define	CP2112_IIC_STATUS0_IDLE   0
#define	CP2112_IIC_STATUS0_BUSY   1
#define	CP2112_IIC_STATUS0_CMP   2
#define	CP2112_IIC_STATUS0_ERROR   3
#define	CP2112_IIC_STATUS1_TIMEOUT_NACK   0
#define	CP2112_IIC_STATUS1_TIMEOUT_BUS   1
#define	CP2112_IIC_STATUS1_ARB_LOST   2

Enumerations
enum	cp2112_out_mode { OUT_OD , OUT_PP , OUT_KEEP }
enum	{ CP2112_INTR_OUT = 0 , CP2112_INTR_IN , CP2112_N_TRANSFER }

Functions
	__FBSDID ("$FreeBSD$")
static int	cp2112_detach (device_t dev)
static int	cp2112gpio_detach (device_t dev)
static int	cp2112iic_detach (device_t dev)
static int	cp2112_get_report (device_t dev, uint8_t id, void *data, uint16_t len)
static int	cp2112_set_report (device_t dev, uint8_t id, void *data, uint16_t len)
static int	cp2112_probe (device_t dev)
static int	cp2112_attach (device_t dev)
static int	cp2112_gpio_read_pin (device_t dev, uint32_t pin_num, bool *on)
static int	cp2112_gpio_write_pin (device_t dev, uint32_t pin_num, bool on)
static int	cp2112_gpio_configure_write_pin (device_t dev, uint32_t pin_num, bool output, enum cp2112_out_mode *mode)
static device_t	cp2112_gpio_get_bus (device_t dev)
static int	cp2112_gpio_pin_max (device_t dev, int *maxpin)
static int	cp2112_gpio_pin_set (device_t dev, uint32_t pin_num, uint32_t pin_value)
static int	cp2112_gpio_pin_get (device_t dev, uint32_t pin_num, uint32_t *pin_value)
static int	cp2112_gpio_pin_toggle (device_t dev, uint32_t pin_num)
static int	cp2112_gpio_pin_getcaps (device_t dev, uint32_t pin_num, uint32_t *caps)
static int	cp2112_gpio_pin_getflags (device_t dev, uint32_t pin_num, uint32_t *flags)
static int	cp2112_gpio_pin_getname (device_t dev, uint32_t pin_num, char *name)
static int	cp2112_gpio_pin_setflags (device_t dev, uint32_t pin_num, uint32_t flags)
static int	cp2112gpio_probe (device_t dev)
static int	cp2112gpio_attach (device_t dev)
static void	cp2112iic_intr_write_callback (struct usb_xfer *xfer, usb_error_t error)
static void	cp2112iic_intr_read_callback (struct usb_xfer *xfer, usb_error_t error)
static int	cp2112iic_send_req (struct cp2112iic_softc *sc, const void *data, uint16_t len)
static int	cp2112iic_req_resp (struct cp2112iic_softc *sc, const void *req_data, uint16_t req_len, void *resp_data, uint16_t resp_len)
static int	cp2112iic_check_req_status (struct cp2112iic_softc *sc)
static int	cp2112iic_read_data (struct cp2112iic_softc *sc, void *data, uint16_t in_len, uint16_t *out_len)
static int	cp2112iic_transfer (device_t dev, struct iic_msg *msgs, uint32_t nmsgs)
static int	cp2112iic_reset (device_t dev, u_char speed, u_char addr, u_char *oldaddr)
static int	cp2112iic_probe (device_t dev)
static int	cp2112iic_attach (device_t dev)
	DRIVER_MODULE (cp2112hid, uhub, cp2112hid_driver, cp2112hid_devclass, NULL, NULL)
	MODULE_DEPEND (cp2112hid, usb, 1, 1, 1)
	MODULE_VERSION (cp2112hid, 1)
	USB_PNP_HOST_INFO (cp2112_devs)
	DRIVER_MODULE (cp2112gpio, cp2112hid, cp2112gpio_driver, cp2112gpio_devclass, NULL, NULL)
	MODULE_DEPEND (cp2112gpio, cp2112hid, 1, 1, 1)
	MODULE_DEPEND (cp2112gpio, gpiobus, 1, 1, 1)
	MODULE_VERSION (cp2112gpio, 1)
	DRIVER_MODULE (cp2112iic, cp2112hid, cp2112iic_driver, cp2112iic_devclass, NULL, NULL)
	MODULE_DEPEND (cp2112iic, cp2112hid, 1, 1, 1)
	MODULE_DEPEND (cp2112iic, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER)
	MODULE_VERSION (cp2112iic, 1)

Variables
struct version_request	__packed
static const STRUCT_USB_HOST_ID	cp2112_devs []
static const struct usb_config	cp2112iic_config [CP2112_N_TRANSFER]
static device_method_t	cp2112hid_methods []
static driver_t	cp2112hid_driver
static devclass_t	cp2112hid_devclass
static device_method_t	cp2112gpio_methods []
static driver_t	cp2112gpio_driver
static devclass_t	cp2112gpio_devclass
static device_method_t	cp2112iic_methods []
static driver_t	cp2112iic_driver
static devclass_t	cp2112iic_devclass

Macro Definition Documentation

CP2112_GPIO_COUNT

#define CP2112_GPIO_COUNT   8

Definition at line 76 of file cp2112.c.

CP2112_GPIO_SPEC_CLK7

#define CP2112_GPIO_SPEC_CLK7   1 /* Pin 7 is clock output. */

Definition at line 101 of file cp2112.c.

CP2112_GPIO_SPEC_RX1

#define CP2112_GPIO_SPEC_RX1   4 /* Pin 1 pulses on USB RX. */

Definition at line 103 of file cp2112.c.

CP2112_GPIO_SPEC_TX0

#define CP2112_GPIO_SPEC_TX0   2 /* Pin 0 pulses on USB TX. */

Definition at line 102 of file cp2112.c.

CP2112_IIC_MAX_READ_LEN

#define CP2112_IIC_MAX_READ_LEN   512

Definition at line 98 of file cp2112.c.

CP2112_IIC_REPSTART_VER

#define CP2112_IIC_REPSTART_VER   2 /* Erratum CP2112_E10. */

Definition at line 99 of file cp2112.c.

CP2112_IIC_STATUS0_BUSY

#define CP2112_IIC_STATUS0_BUSY   1

Definition at line 106 of file cp2112.c.

CP2112_IIC_STATUS0_CMP

#define CP2112_IIC_STATUS0_CMP   2

Definition at line 107 of file cp2112.c.

CP2112_IIC_STATUS0_ERROR

#define CP2112_IIC_STATUS0_ERROR   3

Definition at line 108 of file cp2112.c.

CP2112_IIC_STATUS0_IDLE

#define CP2112_IIC_STATUS0_IDLE   0

Definition at line 105 of file cp2112.c.

CP2112_IIC_STATUS1_ARB_LOST

#define CP2112_IIC_STATUS1_ARB_LOST   2

Definition at line 112 of file cp2112.c.

CP2112_IIC_STATUS1_TIMEOUT_BUS

#define CP2112_IIC_STATUS1_TIMEOUT_BUS   1

Definition at line 111 of file cp2112.c.

CP2112_IIC_STATUS1_TIMEOUT_NACK

#define CP2112_IIC_STATUS1_TIMEOUT_NACK   0

Definition at line 110 of file cp2112.c.

CP2112_PART_NUM

#define CP2112_PART_NUM   0x0c

Definition at line 75 of file cp2112.c.

CP2112_REPORT_SIZE

#define CP2112_REPORT_SIZE   64

Definition at line 77 of file cp2112.c.

CP2112_REQ_GPIO_CFG

#define CP2112_REQ_GPIO_CFG   0x2

Definition at line 80 of file cp2112.c.

CP2112_REQ_GPIO_GET

#define CP2112_REQ_GPIO_GET   0x3

Definition at line 81 of file cp2112.c.

CP2112_REQ_GPIO_SET

#define CP2112_REQ_GPIO_SET   0x4

Definition at line 82 of file cp2112.c.

CP2112_REQ_LOCK

#define CP2112_REQ_LOCK   0x20

Definition at line 95 of file cp2112.c.

CP2112_REQ_RESET

#define CP2112_REQ_RESET   0x1

Definition at line 79 of file cp2112.c.

CP2112_REQ_SMB_CANCEL

#define CP2112_REQ_SMB_CANCEL   0x17

Definition at line 93 of file cp2112.c.

CP2112_REQ_SMB_CFG

#define CP2112_REQ_SMB_CFG   0x6

Definition at line 84 of file cp2112.c.

CP2112_REQ_SMB_READ

#define CP2112_REQ_SMB_READ   0x10

Definition at line 86 of file cp2112.c.

CP2112_REQ_SMB_READ_FORCE_SEND

#define CP2112_REQ_SMB_READ_FORCE_SEND   0x12

Definition at line 88 of file cp2112.c.

CP2112_REQ_SMB_READ_RESPONSE

#define CP2112_REQ_SMB_READ_RESPONSE   0x13

Definition at line 89 of file cp2112.c.

CP2112_REQ_SMB_WRITE

#define CP2112_REQ_SMB_WRITE   0x14

Definition at line 90 of file cp2112.c.

CP2112_REQ_SMB_WRITE_READ

#define CP2112_REQ_SMB_WRITE_READ   0x11

Definition at line 87 of file cp2112.c.

CP2112_REQ_SMB_XFER_STATUS_REQ

#define CP2112_REQ_SMB_XFER_STATUS_REQ   0x15

Definition at line 91 of file cp2112.c.

CP2112_REQ_SMB_XFER_STATUS_RESP

#define CP2112_REQ_SMB_XFER_STATUS_RESP   0x16

Definition at line 92 of file cp2112.c.

CP2112_REQ_USB_CFG

#define CP2112_REQ_USB_CFG   0x21

Definition at line 96 of file cp2112.c.

CP2112_REQ_VERSION

#define CP2112_REQ_VERSION   0x5

Definition at line 83 of file cp2112.c.

CP2112GPIO_LOCK

#define CP2112GPIO_LOCK

(

sc

)

sx_xlock(&sc->gpio_lock)

Definition at line 71 of file cp2112.c.

CP2112GPIO_LOCKED

#define CP2112GPIO_LOCKED

(

sc

)

sx_assert(&sc->gpio_lock, SX_XLOCKED)

Definition at line 73 of file cp2112.c.

CP2112GPIO_UNLOCK

#define CP2112GPIO_UNLOCK

(

sc

)

sx_xunlock(&sc->gpio_lock)

Definition at line 72 of file cp2112.c.

SIZEOF_FIELD

#define SIZEOF_FIELD	(		_s,
			_f
	)		sizeof(((struct _s *)NULL)->_f)

Definition at line 69 of file cp2112.c.

USB_DEBUG_VAR

#define USB_DEBUG_VAR   usb_debug

Definition at line 66 of file cp2112.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
CP2112_INTR_OUT
CP2112_INTR_IN
CP2112_N_TRANSFER

Definition at line 214 of file cp2112.c.

cp2112_out_mode

enum cp2112_out_mode

Enumerator
OUT_OD
OUT_PP
OUT_KEEP

Definition at line 208 of file cp2112.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

cp2112_attach()

static int cp2112_attach ( device_t  dev )

static

Definition at line 309 of file cp2112.c.

References usbd_lookup_info::bIfaceIndex, cp2112_detach(), cp2112_get_report(), CP2112_PART_NUM, CP2112_REQ_VERSION, dev, usb_attach_arg::device, device_set_usb_desc(), usb_attach_arg::info, version_request::part_num, cp2112_softc::sc_gpio_dev, cp2112_softc::sc_iface_index, cp2112_softc::sc_iic_dev, cp2112_softc::sc_udev, cp2112_softc::sc_version, and version_request::version.

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cp2112_detach()

static int cp2112_detach ( device_t  dev )

static

Definition at line 362 of file cp2112.c.

References dev.

Referenced by cp2112_attach().

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cp2112_get_report()

static int cp2112_get_report ( device_t  dev, uint8_t  id, void *  data, uint16_t  len  )

static

Definition at line 268 of file cp2112.c.

References data, dev, len, cp2112_softc::sc_iface_index, cp2112_softc::sc_udev, UHID_FEATURE_REPORT, and usbd_req_get_report().

Referenced by cp2112_attach(), cp2112_gpio_configure_write_pin(), cp2112_gpio_read_pin(), cp2112gpio_attach(), and cp2112iic_reset().

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cp2112_gpio_configure_write_pin()

static int cp2112_gpio_configure_write_pin ( device_t  dev, uint32_t  pin_num, bool  output, enum cp2112_out_mode *  mode  )

static

Definition at line 418 of file cp2112.c.

References cp2112_get_report(), CP2112_REQ_GPIO_CFG, cp2112_set_report(), CP2112GPIO_LOCKED, data, dev, OUT_OD, and OUT_PP.

Referenced by cp2112_gpio_pin_setflags().

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cp2112_gpio_get_bus()

static device_t cp2112_gpio_get_bus ( device_t  dev )

static

Definition at line 484 of file cp2112.c.

References cp2112gpio_softc::busdev, and dev.

cp2112_gpio_pin_get()

static int cp2112_gpio_pin_get ( device_t  dev, uint32_t  pin_num, uint32_t *  pin_value  )

static

Definition at line 518 of file cp2112.c.

References CP2112_GPIO_COUNT, cp2112_gpio_read_pin(), CP2112GPIO_LOCK, CP2112GPIO_UNLOCK, and dev.

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cp2112_gpio_pin_getcaps()

static int cp2112_gpio_pin_getcaps ( device_t  dev, uint32_t  pin_num, uint32_t *  caps  )

static

Definition at line 558 of file cp2112.c.

References CP2112_GPIO_COUNT, CP2112GPIO_LOCK, CP2112GPIO_UNLOCK, dev, and cp2112gpio_softc::gpio_caps.

cp2112_gpio_pin_getflags()

static int cp2112_gpio_pin_getflags ( device_t  dev, uint32_t  pin_num, uint32_t *  flags  )

static

Definition at line 574 of file cp2112.c.

References CP2112_GPIO_COUNT, CP2112GPIO_LOCK, CP2112GPIO_UNLOCK, dev, and cp2112gpio_softc::pins.

cp2112_gpio_pin_getname()

static int cp2112_gpio_pin_getname ( device_t  dev, uint32_t  pin_num, char *  name  )

static

Definition at line 590 of file cp2112.c.

References CP2112_GPIO_COUNT, CP2112GPIO_LOCK, CP2112GPIO_UNLOCK, dev, name, and cp2112gpio_softc::pins.

cp2112_gpio_pin_max()

static int cp2112_gpio_pin_max ( device_t  dev, int *  maxpin  )

static

Definition at line 493 of file cp2112.c.

References CP2112_GPIO_COUNT.

cp2112_gpio_pin_set()

static int cp2112_gpio_pin_set ( device_t  dev, uint32_t  pin_num, uint32_t  pin_value  )

static

Definition at line 501 of file cp2112.c.

References CP2112_GPIO_COUNT, cp2112_gpio_write_pin(), CP2112GPIO_LOCK, CP2112GPIO_UNLOCK, and dev.

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cp2112_gpio_pin_setflags()

static int cp2112_gpio_pin_setflags ( device_t  dev, uint32_t  pin_num, uint32_t  flags  )

static

Definition at line 606 of file cp2112.c.

References cp2112_gpio_configure_write_pin(), CP2112_GPIO_COUNT, CP2112GPIO_LOCK, CP2112GPIO_UNLOCK, dev, cp2112gpio_softc::gpio_caps, OUT_KEEP, OUT_OD, OUT_PP, pin, and cp2112gpio_softc::pins.

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cp2112_gpio_pin_toggle()

static int cp2112_gpio_pin_toggle ( device_t  dev, uint32_t  pin_num  )

static

Definition at line 538 of file cp2112.c.

References CP2112_GPIO_COUNT, cp2112_gpio_read_pin(), cp2112_gpio_write_pin(), CP2112GPIO_LOCK, CP2112GPIO_UNLOCK, and dev.

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cp2112_gpio_read_pin()

static int cp2112_gpio_read_pin ( device_t  dev, uint32_t  pin_num, bool *  on  )

static

Definition at line 374 of file cp2112.c.

References cp2112_get_report(), CP2112_REQ_GPIO_GET, CP2112GPIO_LOCKED, data, and dev.

Referenced by cp2112_gpio_pin_get(), cp2112_gpio_pin_toggle(), and cp2112_gpio_write_pin().

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cp2112_gpio_write_pin()

static int cp2112_gpio_write_pin ( device_t  dev, uint32_t  pin_num, bool  on  )

static

Definition at line 393 of file cp2112.c.

References cp2112_gpio_read_pin(), CP2112_REQ_GPIO_SET, cp2112_set_report(), CP2112GPIO_LOCKED, data, and dev.

Referenced by cp2112_gpio_pin_set(), and cp2112_gpio_pin_toggle().

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cp2112_probe()

static int cp2112_probe ( device_t  dev )

static

Definition at line 293 of file cp2112.c.

References usbd_lookup_info::bInterfaceClass, cp2112_devs, dev, usb_attach_arg::info, UICLASS_HID, usb_attach_arg::usb_mode, USB_MODE_HOST, and usbd_lookup_id_by_uaa().

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cp2112_set_report()

static int cp2112_set_report ( device_t  dev, uint8_t  id, void *  data, uint16_t  len  )

static

Definition at line 280 of file cp2112.c.

References data, dev, len, cp2112_softc::sc_iface_index, cp2112_softc::sc_udev, UHID_FEATURE_REPORT, and usbd_req_set_report().

Referenced by cp2112_gpio_configure_write_pin(), cp2112_gpio_write_pin(), and cp2112iic_reset().

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cp2112gpio_attach()

static int cp2112gpio_attach ( device_t  dev )

static

Definition at line 681 of file cp2112.c.

References cp2112gpio_softc::busdev, cp2112_get_report(), CP2112_GPIO_COUNT, CP2112_GPIO_SPEC_CLK7, CP2112_GPIO_SPEC_RX1, CP2112_GPIO_SPEC_TX0, CP2112_REQ_GPIO_CFG, cp2112gpio_detach(), data, dev, cp2112gpio_softc::gpio_caps, cp2112gpio_softc::gpio_lock, pin, and cp2112gpio_softc::pins.

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cp2112gpio_detach()

static int cp2112gpio_detach ( device_t  dev )

static

Definition at line 740 of file cp2112.c.

References cp2112gpio_softc::busdev, dev, and cp2112gpio_softc::gpio_lock.

Referenced by cp2112gpio_attach().

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cp2112gpio_probe()

static int cp2112gpio_probe ( device_t  dev )

static

Definition at line 674 of file cp2112.c.

References dev.

cp2112iic_attach()

static int cp2112iic_attach ( device_t  dev )

static

Definition at line 1314 of file cp2112.c.

References CP2112_INTR_IN, cp2112iic_config, cp2112iic_detach(), cp2112iic_softc::cv, cp2112iic_softc::dev, dev, cp2112iic_softc::iicbus_dev, cp2112iic_softc::io, cp2112iic_softc::lock, cp2112_softc::sc_iface_index, cp2112_softc::sc_udev, usbd_transfer_setup(), usbd_transfer_start(), and cp2112iic_softc::xfers.

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cp2112iic_check_req_status()

static int cp2112iic_check_req_status ( struct cp2112iic_softc *  sc )

static

Definition at line 954 of file cp2112.c.

References CP2112_IIC_STATUS0_BUSY, CP2112_IIC_STATUS0_CMP, CP2112_IIC_STATUS0_ERROR, CP2112_IIC_STATUS0_IDLE, CP2112_IIC_STATUS1_ARB_LOST, CP2112_IIC_STATUS1_TIMEOUT_BUS, CP2112_IIC_STATUS1_TIMEOUT_NACK, CP2112_REQ_SMB_XFER_STATUS_REQ, CP2112_REQ_SMB_XFER_STATUS_RESP, cp2112iic_req_resp(), cp2112iic_softc::dev, i2c_xfer_status_req::id, i2c_xfer_status_resp::id, cp2112iic_softc::io, cp2112iic_softc::lock, i2c_xfer_status_req::request, i2c_xfer_status_resp::status0, i2c_xfer_status_resp::status1, i2c_xfer_status_resp::status2, and i2c_xfer_status_resp::status3.

Referenced by cp2112iic_transfer().

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cp2112iic_detach()

static int cp2112iic_detach ( device_t  dev )

static

Definition at line 1357 of file cp2112.c.

References CP2112_INTR_IN, cp2112iic_config, cp2112iic_softc::cv, cp2112iic_softc::dev, cp2112iic_softc::io, cp2112iic_softc::lock, usbd_transfer_stop(), usbd_transfer_unsetup(), and cp2112iic_softc::xfers.

Referenced by cp2112iic_attach().

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cp2112iic_intr_read_callback()

static void cp2112iic_intr_read_callback ( struct usb_xfer *  xfer, usb_error_t  error  )

static

Definition at line 790 of file cp2112.c.

References CP2112_REPORT_SIZE, CP2112_REQ_SMB_XFER_STATUS_RESP, cp2112iic_softc::cv, cp2112iic_softc::data, cp2112iic_softc::dev, cp2112iic_softc::done, cp2112iic_softc::error, error, cp2112iic_softc::in, cp2112iic_softc::io, len, cp2112iic_softc::len, cp2112iic_softc::lock, USB_ERR_CANCELLED, USB_GET_STATE, USB_ST_SETUP, USB_ST_TRANSFERRED, usbd_copy_out(), usbd_transfer_submit(), usbd_xfer_get_frame(), usbd_xfer_max_len(), usbd_xfer_set_frame_len(), usbd_xfer_set_stall(), usbd_xfer_softc(), and usbd_xfer_status().

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cp2112iic_intr_write_callback()

static void cp2112iic_intr_write_callback ( struct usb_xfer *  xfer, usb_error_t  error  )

static

Definition at line 752 of file cp2112.c.

References cp2112iic_softc::cv, cp2112iic_softc::data, cp2112iic_softc::dev, cp2112iic_softc::done, cp2112iic_softc::error, error, cp2112iic_softc::io, cp2112iic_softc::len, cp2112iic_softc::lock, cp2112iic_softc::out, USB_ERR_CANCELLED, USB_GET_STATE, USB_ST_SETUP, USB_ST_TRANSFERRED, usbd_copy_in(), usbd_transfer_submit(), usbd_xfer_get_frame(), usbd_xfer_set_frame_len(), usbd_xfer_set_frames(), usbd_xfer_set_stall(), and usbd_xfer_softc().

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cp2112iic_probe()

static int cp2112iic_probe ( device_t  dev )

static

Definition at line 1307 of file cp2112.c.

References cp2112iic_softc::dev.

cp2112iic_read_data()

static int cp2112iic_read_data ( struct cp2112iic_softc *  sc, void *  data, uint16_t  in_len, uint16_t *  out_len  )

static

Definition at line 1025 of file cp2112.c.

References CP2112_IIC_STATUS0_CMP, CP2112_IIC_STATUS0_IDLE, CP2112_REQ_SMB_READ_FORCE_SEND, CP2112_REQ_SMB_READ_RESPONSE, cp2112iic_req_resp(), i2c_data_read_resp::data, cp2112iic_softc::dev, i2c_data_read_force_send_req::id, i2c_data_read_resp::id, cp2112iic_softc::io, i2c_data_read_force_send_req::len, i2c_data_read_resp::len, cp2112iic_softc::lock, and i2c_data_read_resp::status.

Referenced by cp2112iic_transfer().

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cp2112iic_req_resp()

static int cp2112iic_req_resp ( struct cp2112iic_softc *  sc, const void *  req_data, uint16_t  req_len, void *  resp_data, uint16_t  resp_len  )

static

Definition at line 920 of file cp2112.c.

References cp2112iic_send_req(), cp2112iic_softc::cv, cp2112iic_softc::data, cp2112iic_softc::done, cp2112iic_softc::error, cp2112iic_softc::in, cp2112iic_softc::io, cp2112iic_softc::len, and cp2112iic_softc::lock.

Referenced by cp2112iic_check_req_status(), and cp2112iic_read_data().

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cp2112iic_reset()

static int cp2112iic_reset ( device_t  dev, u_char  speed, u_char  addr, u_char *  oldaddr  )

static

Definition at line 1241 of file cp2112.c.

References addr, i2c_cfg_req::auto_send_read, cp2112_get_report(), CP2112_REQ_SMB_CFG, cp2112_set_report(), cp2112iic_softc::dev, cp2112iic_softc::iicbus_dev, i2c_cfg_req::read_timeout, i2c_cfg_req::retry_count, i2c_cfg_req::scl_low_timeout, i2c_cfg_req::slave_addr, i2c_cfg_req::speed, and i2c_cfg_req::write_timeout.

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cp2112iic_send_req()

static int cp2112iic_send_req ( struct cp2112iic_softc *  sc, const void *  data, uint16_t  len  )

static

Definition at line 888 of file cp2112.c.

References CP2112_INTR_OUT, cp2112iic_softc::cv, cp2112iic_softc::data, data, cp2112iic_softc::dev, cp2112iic_softc::done, cp2112iic_softc::error, cp2112iic_softc::io, len, cp2112iic_softc::len, cp2112iic_softc::lock, cp2112iic_softc::out, usbd_transfer_start(), usbd_transfer_stop(), and cp2112iic_softc::xfers.

Referenced by cp2112iic_req_resp(), and cp2112iic_transfer().

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cp2112iic_transfer()

static int cp2112iic_transfer ( device_t  dev, struct iic_msg *  msgs, uint32_t  nmsgs  )

static

Definition at line 1084 of file cp2112.c.

References CP2112_IIC_MAX_READ_LEN, CP2112_IIC_REPSTART_VER, CP2112_REQ_SMB_READ, CP2112_REQ_SMB_WRITE, CP2112_REQ_SMB_WRITE_READ, cp2112iic_check_req_status(), cp2112iic_read_data(), cp2112iic_send_req(), data, cp2112iic_softc::dev, dev, cp2112iic_softc::io, len, cp2112iic_softc::lock, req, cp2112_softc::sc_version, and SIZEOF_FIELD.

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DRIVER_MODULE() [1/3]

DRIVER_MODULE	(	cp2112gpio	,
		cp2112hid	,
		cp2112gpio_driver	,
		cp2112gpio_devclass	,
		NULL	,
		NULL
	)

DRIVER_MODULE() [2/3]

DRIVER_MODULE	(	cp2112hid	,
		uhub	,
		cp2112hid_driver	,
		cp2112hid_devclass	,
		NULL	,
		NULL
	)

DRIVER_MODULE() [3/3]

DRIVER_MODULE	(	cp2112iic	,
		cp2112hid	,
		cp2112iic_driver	,
		cp2112iic_devclass	,
		NULL	,
		NULL
	)

MODULE_DEPEND() [1/5]

MODULE_DEPEND	(	cp2112gpio	,
		cp2112hid	,
		1	,
		1	,
		1
	)

MODULE_DEPEND() [2/5]

MODULE_DEPEND	(	cp2112gpio	,
		gpiobus	,
		1	,
		1	,
		1
	)

MODULE_DEPEND() [3/5]

MODULE_DEPEND	(	cp2112hid	,
		usb	,
		1	,
		1	,
		1
	)

MODULE_DEPEND() [4/5]

MODULE_DEPEND	(	cp2112iic	,
		cp2112hid	,
		1	,
		1	,
		1
	)

MODULE_DEPEND() [5/5]

MODULE_DEPEND	(	cp2112iic	,
		iicbus	,
		IICBUS_MINVER	,
		IICBUS_PREFVER	,
		IICBUS_MAXVER
	)

MODULE_VERSION() [1/3]

MODULE_VERSION	(	cp2112gpio	,
		1
	)

MODULE_VERSION() [2/3]

MODULE_VERSION	(	cp2112hid	,
		1
	)

MODULE_VERSION() [3/3]

MODULE_VERSION	(	cp2112iic	,
		1
	)

USB_PNP_HOST_INFO()

USB_PNP_HOST_INFO

(

cp2112_devs

)

Variable Documentation

__packed

struct i2c_cfg_req __packed

cp2112_devs

const STRUCT_USB_HOST_ID cp2112_devs[]

static

Initial value:

= {
        { USB_VP(USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP2112) },
        { USB_VP(0x1009, USB_PRODUCT_SILABS_CP2112) }, 
}

Definition at line 262 of file cp2112.c.

Referenced by cp2112_probe().

cp2112gpio_devclass

devclass_t cp2112gpio_devclass

static

Definition at line 1426 of file cp2112.c.

cp2112gpio_driver

driver_t cp2112gpio_driver

static

Initial value:

= {
        .name = "gpio",
        .methods = cp2112gpio_methods,
        .size = sizeof(struct cp2112gpio_softc),
}

Definition at line 1420 of file cp2112.c.

cp2112gpio_methods

device_method_t cp2112gpio_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         cp2112gpio_probe),
        DEVMETHOD(device_attach,        cp2112gpio_attach),
        DEVMETHOD(device_detach,        cp2112gpio_detach),
 
        
        DEVMETHOD(gpio_get_bus,         cp2112_gpio_get_bus),
        DEVMETHOD(gpio_pin_max,         cp2112_gpio_pin_max),
        DEVMETHOD(gpio_pin_get,         cp2112_gpio_pin_get),
        DEVMETHOD(gpio_pin_set,         cp2112_gpio_pin_set),
        DEVMETHOD(gpio_pin_toggle,      cp2112_gpio_pin_toggle),
        DEVMETHOD(gpio_pin_getname,     cp2112_gpio_pin_getname),
        DEVMETHOD(gpio_pin_getcaps,     cp2112_gpio_pin_getcaps),
        DEVMETHOD(gpio_pin_getflags,    cp2112_gpio_pin_getflags),
        DEVMETHOD(gpio_pin_setflags,    cp2112_gpio_pin_setflags),
 
        DEVMETHOD_END
}

Definition at line 1400 of file cp2112.c.

cp2112hid_devclass

devclass_t cp2112hid_devclass

static

Definition at line 1393 of file cp2112.c.

cp2112hid_driver

driver_t cp2112hid_driver

static

Initial value:

= {
        .name = "cp2112hid",
        .methods = cp2112hid_methods,
        .size = sizeof(struct cp2112_softc),
}

Definition at line 1387 of file cp2112.c.

cp2112hid_methods

device_method_t cp2112hid_methods[]

static

Initial value:

= {
        DEVMETHOD(device_probe,         cp2112_probe),
        DEVMETHOD(device_attach,        cp2112_attach),
        DEVMETHOD(device_detach,        cp2112_detach),
 
        DEVMETHOD_END
}

Definition at line 1379 of file cp2112.c.

cp2112iic_config

const struct usb_config cp2112iic_config[CP2112_N_TRANSFER]

static

Initial value:

= {
        [CP2112_INTR_OUT] = {
                .type = UE_INTERRUPT,
                .endpoint = UE_ADDR_ANY,
                .direction = UE_DIR_OUT,
                .flags = { .pipe_bof = 1, .no_pipe_ok = 1, },
                .bufsize = 0,   
                .callback = &cp2112iic_intr_write_callback,
        },
        [CP2112_INTR_IN] = {
                .type = UE_INTERRUPT,
                .endpoint = UE_ADDR_ANY,
                .direction = UE_DIR_IN,
                .flags = { .pipe_bof = 1, .short_xfer_ok = 1, },
                .bufsize = 0,   
                .callback = &cp2112iic_intr_read_callback,
        },
}

Definition at line 868 of file cp2112.c.

Referenced by cp2112iic_attach(), and cp2112iic_detach().

cp2112iic_devclass

devclass_t cp2112iic_devclass

static

Definition at line 1453 of file cp2112.c.

cp2112iic_driver

driver_t cp2112iic_driver

static

Initial value:

= {
        "iichb",
        cp2112iic_methods,
        sizeof(struct cp2112iic_softc)
}

Definition at line 1447 of file cp2112.c.

cp2112iic_methods

device_method_t cp2112iic_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe, cp2112iic_probe),
        DEVMETHOD(device_attach, cp2112iic_attach),
        DEVMETHOD(device_detach, cp2112iic_detach),
 
        
        DEVMETHOD(iicbus_transfer, cp2112iic_transfer),
        DEVMETHOD(iicbus_reset, cp2112iic_reset),
        DEVMETHOD(iicbus_callback, iicbus_null_callback),
 
        DEVMETHOD_END
}

Definition at line 1433 of file cp2112.c.