uchcom.c File Reference

#include <sys/cdefs.h>
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include "usbdevs.h"
#include <dev/usb/usb_debug.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/serial/usb_serial.h>

Include dependency graph for uchcom.c:

Go to the source code of this file.

Data Structures
struct	uchcom_softc
struct	uchcom_divider
struct	uchcom_divider_record

Macros
#define	USB_DEBUG_VAR   uchcom_debug
#define	UCHCOM_IFACE_INDEX   0
#define	UCHCOM_CONFIG_INDEX   0
#define	UCHCOM_REV_CH340   0x0250
#define	UCHCOM_INPUT_BUF_SIZE   8
#define	UCHCOM_REQ_GET_VERSION   0x5F
#define	UCHCOM_REQ_READ_REG   0x95
#define	UCHCOM_REQ_WRITE_REG   0x9A
#define	UCHCOM_REQ_RESET   0xA1
#define	UCHCOM_REQ_SET_DTRRTS   0xA4
#define	UCHCOM_REG_STAT1   0x06
#define	UCHCOM_REG_STAT2   0x07
#define	UCHCOM_REG_BPS_PRE   0x12
#define	UCHCOM_REG_BPS_DIV   0x13
#define	UCHCOM_REG_BPS_MOD   0x14
#define	UCHCOM_REG_BPS_PAD   0x0F
#define	UCHCOM_REG_BREAK1   0x05
#define	UCHCOM_REG_LCR1   0x18
#define	UCHCOM_REG_LCR2   0x25
#define	UCHCOM_VER_20   0x20
#define	UCHCOM_VER_30   0x30
#define	UCHCOM_BASE_UNKNOWN   0
#define	UCHCOM_BPS_MOD_BASE   20000000
#define	UCHCOM_BPS_MOD_BASE_OFS   1100
#define	UCHCOM_DTR_MASK   0x20
#define	UCHCOM_RTS_MASK   0x40
#define	UCHCOM_BRK_MASK   0x01
#define	UCHCOM_LCR1_MASK   0xAF
#define	UCHCOM_LCR2_MASK   0x07
#define	UCHCOM_LCR1_RX   0x80
#define	UCHCOM_LCR1_TX   0x40
#define	UCHCOM_LCR1_PARENB   0x08
#define	UCHCOM_LCR1_CS8   0x03
#define	UCHCOM_LCR2_PAREVEN   0x07
#define	UCHCOM_LCR2_PARODD   0x06
#define	UCHCOM_LCR2_PARMARK   0x05
#define	UCHCOM_LCR2_PARSPACE   0x04
#define	UCHCOM_INTR_STAT1   0x02
#define	UCHCOM_INTR_STAT2   0x03
#define	UCHCOM_INTR_LEAST   4
#define	UCHCOM_BULK_BUF_SIZE   1024 /* bytes */
#define	NUM_DIVIDERS   nitems(dividers)

Enumerations
enum	{ UCHCOM_BULK_DT_WR , UCHCOM_BULK_DT_RD , UCHCOM_INTR_DT_RD , UCHCOM_N_TRANSFER }

Functions
	__FBSDID ("$FreeBSD$")
static void	uchcom_free (struct ucom_softc *)
static int	uchcom_pre_param (struct ucom_softc *, struct termios *)
static void	uchcom_cfg_get_status (struct ucom_softc *, uint8_t *, uint8_t *)
static void	uchcom_cfg_open (struct ucom_softc *ucom)
static void	uchcom_cfg_param (struct ucom_softc *, struct termios *)
static void	uchcom_cfg_set_break (struct ucom_softc *, uint8_t)
static void	uchcom_cfg_set_dtr (struct ucom_softc *, uint8_t)
static void	uchcom_cfg_set_rts (struct ucom_softc *, uint8_t)
static void	uchcom_start_read (struct ucom_softc *)
static void	uchcom_start_write (struct ucom_softc *)
static void	uchcom_stop_read (struct ucom_softc *)
static void	uchcom_stop_write (struct ucom_softc *)
static void	uchcom_update_version (struct uchcom_softc *)
static void	uchcom_convert_status (struct uchcom_softc *, uint8_t)
static void	uchcom_update_status (struct uchcom_softc *)
static void	uchcom_set_dtr_rts (struct uchcom_softc *)
static int	uchcom_calc_divider_settings (struct uchcom_divider *, uint32_t)
static void	uchcom_set_baudrate (struct uchcom_softc *, uint32_t)
static void	uchcom_poll (struct ucom_softc *ucom)
static void	uchcom_free_softc (struct uchcom_softc *)
static int	uchcom_probe (device_t dev)
static int	uchcom_attach (device_t dev)
static int	uchcom_detach (device_t dev)
	UCOM_UNLOAD_DRAIN (uchcom)
static void	uchcom_ctrl_write (struct uchcom_softc *sc, uint8_t reqno, uint16_t value, uint16_t index)
static void	uchcom_ctrl_read (struct uchcom_softc *sc, uint8_t reqno, uint16_t value, uint16_t index, void *buf, uint16_t buflen)
static void	uchcom_write_reg (struct uchcom_softc *sc, uint8_t reg1, uint8_t val1, uint8_t reg2, uint8_t val2)
static void	uchcom_read_reg (struct uchcom_softc *sc, uint8_t reg1, uint8_t *rval1, uint8_t reg2, uint8_t *rval2)
static void	uchcom_get_version (struct uchcom_softc *sc, uint8_t *rver)
static void	uchcom_get_status (struct uchcom_softc *sc, uint8_t *rval)
static void	uchcom_set_dtr_rts_10 (struct uchcom_softc *sc, uint8_t val)
static void	uchcom_set_dtr_rts_20 (struct uchcom_softc *sc, uint8_t val)
static void	uchcom_intr_callback (struct usb_xfer *xfer, usb_error_t error)
static void	uchcom_write_callback (struct usb_xfer *xfer, usb_error_t error)
static void	uchcom_read_callback (struct usb_xfer *xfer, usb_error_t error)
	DRIVER_MODULE (uchcom, uhub, uchcom_driver, uchcom_devclass, NULL, 0)
	MODULE_DEPEND (uchcom, ucom, 1, 1, 1)
	MODULE_DEPEND (uchcom, usb, 1, 1, 1)
	MODULE_VERSION (uchcom, 1)
	USB_PNP_HOST_INFO (uchcom_devs)

Variables
static const struct uchcom_divider_record	dividers []
static const STRUCT_USB_HOST_ID	uchcom_devs []
static device_probe_t	uchcom_probe
static device_attach_t	uchcom_attach
static device_detach_t	uchcom_detach
static usb_callback_t	uchcom_intr_callback
static usb_callback_t	uchcom_write_callback
static usb_callback_t	uchcom_read_callback
static const struct usb_config	uchcom_config_data [UCHCOM_N_TRANSFER]
static struct ucom_callback	uchcom_callback
static device_method_t	uchcom_methods []
static driver_t	uchcom_driver
static devclass_t	uchcom_devclass

Macro Definition Documentation

NUM_DIVIDERS

#define NUM_DIVIDERS   nitems(dividers)

Definition at line 203 of file uchcom.c.

UCHCOM_BASE_UNKNOWN

#define UCHCOM_BASE_UNKNOWN   0

Definition at line 132 of file uchcom.c.

UCHCOM_BPS_MOD_BASE

#define UCHCOM_BPS_MOD_BASE   20000000

Definition at line 133 of file uchcom.c.

UCHCOM_BPS_MOD_BASE_OFS

#define UCHCOM_BPS_MOD_BASE_OFS   1100

Definition at line 134 of file uchcom.c.

UCHCOM_BRK_MASK

#define UCHCOM_BRK_MASK   0x01

Definition at line 139 of file uchcom.c.

UCHCOM_BULK_BUF_SIZE

#define UCHCOM_BULK_BUF_SIZE   1024 /* bytes */

Definition at line 156 of file uchcom.c.

UCHCOM_CONFIG_INDEX

#define UCHCOM_CONFIG_INDEX   0

Definition at line 108 of file uchcom.c.

UCHCOM_DTR_MASK

#define UCHCOM_DTR_MASK   0x20

Definition at line 136 of file uchcom.c.

UCHCOM_IFACE_INDEX

#define UCHCOM_IFACE_INDEX   0

Definition at line 107 of file uchcom.c.

UCHCOM_INPUT_BUF_SIZE

#define UCHCOM_INPUT_BUF_SIZE   8

Definition at line 111 of file uchcom.c.

UCHCOM_INTR_LEAST

#define UCHCOM_INTR_LEAST   4

Definition at line 154 of file uchcom.c.

UCHCOM_INTR_STAT1

#define UCHCOM_INTR_STAT1   0x02

Definition at line 152 of file uchcom.c.

UCHCOM_INTR_STAT2

#define UCHCOM_INTR_STAT2   0x03

Definition at line 153 of file uchcom.c.

UCHCOM_LCR1_CS8

#define UCHCOM_LCR1_CS8   0x03

Definition at line 146 of file uchcom.c.

UCHCOM_LCR1_MASK

#define UCHCOM_LCR1_MASK   0xAF

Definition at line 141 of file uchcom.c.

UCHCOM_LCR1_PARENB

#define UCHCOM_LCR1_PARENB   0x08

Definition at line 145 of file uchcom.c.

UCHCOM_LCR1_RX

#define UCHCOM_LCR1_RX   0x80

Definition at line 143 of file uchcom.c.

UCHCOM_LCR1_TX

#define UCHCOM_LCR1_TX   0x40

Definition at line 144 of file uchcom.c.

UCHCOM_LCR2_MASK

#define UCHCOM_LCR2_MASK   0x07

Definition at line 142 of file uchcom.c.

UCHCOM_LCR2_PAREVEN

#define UCHCOM_LCR2_PAREVEN   0x07

Definition at line 147 of file uchcom.c.

UCHCOM_LCR2_PARMARK

#define UCHCOM_LCR2_PARMARK   0x05

Definition at line 149 of file uchcom.c.

UCHCOM_LCR2_PARODD

#define UCHCOM_LCR2_PARODD   0x06

Definition at line 148 of file uchcom.c.

UCHCOM_LCR2_PARSPACE

#define UCHCOM_LCR2_PARSPACE   0x04

Definition at line 150 of file uchcom.c.

UCHCOM_REG_BPS_DIV

#define UCHCOM_REG_BPS_DIV   0x13

Definition at line 122 of file uchcom.c.

UCHCOM_REG_BPS_MOD

#define UCHCOM_REG_BPS_MOD   0x14

Definition at line 123 of file uchcom.c.

UCHCOM_REG_BPS_PAD

#define UCHCOM_REG_BPS_PAD   0x0F

Definition at line 124 of file uchcom.c.

UCHCOM_REG_BPS_PRE

#define UCHCOM_REG_BPS_PRE   0x12

Definition at line 121 of file uchcom.c.

UCHCOM_REG_BREAK1

#define UCHCOM_REG_BREAK1   0x05

Definition at line 125 of file uchcom.c.

UCHCOM_REG_LCR1

#define UCHCOM_REG_LCR1   0x18

Definition at line 126 of file uchcom.c.

UCHCOM_REG_LCR2

#define UCHCOM_REG_LCR2   0x25

Definition at line 127 of file uchcom.c.

UCHCOM_REG_STAT1

#define UCHCOM_REG_STAT1   0x06

Definition at line 119 of file uchcom.c.

UCHCOM_REG_STAT2

#define UCHCOM_REG_STAT2   0x07

Definition at line 120 of file uchcom.c.

UCHCOM_REQ_GET_VERSION

#define UCHCOM_REQ_GET_VERSION   0x5F

Definition at line 113 of file uchcom.c.

UCHCOM_REQ_READ_REG

#define UCHCOM_REQ_READ_REG   0x95

Definition at line 114 of file uchcom.c.

UCHCOM_REQ_RESET

#define UCHCOM_REQ_RESET   0xA1

Definition at line 116 of file uchcom.c.

UCHCOM_REQ_SET_DTRRTS

#define UCHCOM_REQ_SET_DTRRTS   0xA4

Definition at line 117 of file uchcom.c.

UCHCOM_REQ_WRITE_REG

#define UCHCOM_REQ_WRITE_REG   0x9A

Definition at line 115 of file uchcom.c.

UCHCOM_REV_CH340

#define UCHCOM_REV_CH340   0x0250

Definition at line 110 of file uchcom.c.

UCHCOM_RTS_MASK

#define UCHCOM_RTS_MASK   0x40

Definition at line 137 of file uchcom.c.

UCHCOM_VER_20

#define UCHCOM_VER_20   0x20

Definition at line 129 of file uchcom.c.

UCHCOM_VER_30

#define UCHCOM_VER_30   0x30

Definition at line 130 of file uchcom.c.

USB_DEBUG_VAR

#define USB_DEBUG_VAR   uchcom_debug

Definition at line 92 of file uchcom.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
UCHCOM_BULK_DT_WR
UCHCOM_BULK_DT_RD
UCHCOM_INTR_DT_RD
UCHCOM_N_TRANSFER

Definition at line 158 of file uchcom.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DRIVER_MODULE()

DRIVER_MODULE	(	uchcom	,
		uhub	,
		uchcom_driver	,
		uchcom_devclass	,
		NULL	,
		0
	)

MODULE_DEPEND() [1/2]

MODULE_DEPEND	(	uchcom	,
		ucom	,
		1	,
		1	,
		1
	)

MODULE_DEPEND() [2/2]

MODULE_DEPEND	(	uchcom	,
		usb	,
		1	,
		1	,
		1
	)

MODULE_VERSION()

MODULE_VERSION	(	uchcom	,
		1
	)

uchcom_attach()

static int uchcom_attach ( device_t  dev )

static

Definition at line 312 of file uchcom.c.

References dev, usb_attach_arg::device, device_set_usb_desc(), DPRINTF, error, usbd_lookup_info::idProduct, usb_attach_arg::info, uchcom_softc::sc_mtx, uchcom_softc::sc_super_ucom, uchcom_softc::sc_ucom, uchcom_softc::sc_udev, uchcom_softc::sc_xfer, UCHCOM_BULK_DT_RD, UCHCOM_BULK_DT_WR, uchcom_callback, uchcom_config_data, uchcom_detach, UCHCOM_IFACE_INDEX, UCHCOM_N_TRANSFER, ucom_attach(), ucom_ref(), ucom_set_pnpinfo_usb(), usbd_errstr(), usbd_transfer_setup(), and usbd_xfer_set_stall().

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uchcom_calc_divider_settings()

static int uchcom_calc_divider_settings ( struct uchcom_divider *  dp, uint32_t  rate  )

static

Definition at line 574 of file uchcom.c.

References dividers, uchcom_divider::dv_div, uchcom_divider::dv_mod, uchcom_divider::dv_prescaler, uchcom_divider_record::dvr_base_clock, uchcom_divider_record::dvr_divider, uchcom_divider_record::dvr_high, uchcom_divider_record::dvr_low, NUM_DIVIDERS, UCHCOM_BASE_UNKNOWN, UCHCOM_BPS_MOD_BASE, and UCHCOM_BPS_MOD_BASE_OFS.

Referenced by uchcom_pre_param(), and uchcom_set_baudrate().

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uchcom_cfg_get_status()

static void uchcom_cfg_get_status ( struct ucom_softc *  ucom, uint8_t *  lsr, uint8_t *  msr  )

static

Definition at line 638 of file uchcom.c.

References DPRINTF, uchcom_softc::sc_lsr, uchcom_softc::sc_msr, and ucom_softc::sc_parent.

uchcom_cfg_open()

static void uchcom_cfg_open ( struct ucom_softc *  ucom )

static

Definition at line 672 of file uchcom.c.

References DPRINTF, ucom_softc::sc_parent, uchcom_update_status(), and uchcom_update_version().

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uchcom_cfg_param()

static void uchcom_cfg_param ( struct ucom_softc *  ucom, struct termios *  t  )

static

Definition at line 705 of file uchcom.c.

References ucom_softc::sc_parent, uchcom_softc::sc_version, uchcom_ctrl_write(), uchcom_get_version(), UCHCOM_LCR1_CS8, UCHCOM_LCR1_RX, UCHCOM_LCR1_TX, uchcom_read_reg(), UCHCOM_REG_LCR1, UCHCOM_REG_LCR2, UCHCOM_REQ_RESET, uchcom_set_baudrate(), uchcom_set_dtr_rts(), uchcom_update_status(), UCHCOM_VER_30, and uchcom_write_reg().

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uchcom_cfg_set_break()

static void uchcom_cfg_set_break ( struct ucom_softc *  ucom, uint8_t  onoff  )

static

Definition at line 554 of file uchcom.c.

References ucom_softc::sc_parent, UCHCOM_BRK_MASK, UCHCOM_LCR1_TX, uchcom_read_reg(), UCHCOM_REG_BREAK1, UCHCOM_REG_LCR1, and uchcom_write_reg().

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uchcom_cfg_set_dtr()

static void uchcom_cfg_set_dtr ( struct ucom_softc *  ucom, uint8_t  onoff  )

static

Definition at line 650 of file uchcom.c.

References DPRINTF, uchcom_softc::sc_dtr, ucom_softc::sc_parent, and uchcom_set_dtr_rts().

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uchcom_cfg_set_rts()

static void uchcom_cfg_set_rts ( struct ucom_softc *  ucom, uint8_t  onoff  )

static

Definition at line 661 of file uchcom.c.

References DPRINTF, ucom_softc::sc_parent, uchcom_softc::sc_rts, and uchcom_set_dtr_rts().

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uchcom_convert_status()

static void uchcom_convert_status ( struct uchcom_softc *  sc, uint8_t  cur  )

static

Definition at line 519 of file uchcom.c.

References uchcom_softc::sc_dtr, uchcom_softc::sc_msr, uchcom_softc::sc_rts, UCHCOM_DTR_MASK, and UCHCOM_RTS_MASK.

Referenced by uchcom_intr_callback(), and uchcom_update_status().

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uchcom_ctrl_read()

static void uchcom_ctrl_read ( struct uchcom_softc *  sc, uint8_t  reqno, uint16_t  value, uint16_t  index, void *  buf, uint16_t  buflen  )

static

Definition at line 429 of file uchcom.c.

References DPRINTF, index, req, uchcom_softc::sc_ucom, uchcom_softc::sc_udev, ucom_cfg_do_request, USB_SHORT_XFER_OK, USETW, UT_READ_VENDOR_DEVICE, and value.

Referenced by uchcom_get_version(), and uchcom_read_reg().

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uchcom_ctrl_write()

static void uchcom_ctrl_write ( struct uchcom_softc *  sc, uint8_t  reqno, uint16_t  value, uint16_t  index  )

static

Definition at line 411 of file uchcom.c.

References DPRINTF, index, req, uchcom_softc::sc_ucom, uchcom_softc::sc_udev, ucom_cfg_do_request, USETW, UT_WRITE_VENDOR_DEVICE, and value.

Referenced by uchcom_cfg_param(), uchcom_set_dtr_rts_20(), and uchcom_write_reg().

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uchcom_detach()

static int uchcom_detach ( device_t  dev )

static

Definition at line 373 of file uchcom.c.

References dev, uchcom_softc::sc_super_ucom, uchcom_softc::sc_ucom, uchcom_softc::sc_xfer, uchcom_free_softc(), UCHCOM_N_TRANSFER, ucom_detach(), and usbd_transfer_unsetup().

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uchcom_free()

static void uchcom_free ( struct ucom_softc *  ucom )

static

Definition at line 401 of file uchcom.c.

References ucom_softc::sc_parent, and uchcom_free_softc().

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uchcom_free_softc()

static void uchcom_free_softc ( struct uchcom_softc *  sc )

static

Definition at line 392 of file uchcom.c.

References uchcom_softc::sc_mtx, uchcom_softc::sc_super_ucom, and ucom_unref().

Referenced by uchcom_detach(), and uchcom_free().

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uchcom_get_status()

static void uchcom_get_status ( struct uchcom_softc *  sc, uint8_t *  rval  )

static

Definition at line 490 of file uchcom.c.

References uchcom_read_reg(), UCHCOM_REG_STAT1, and UCHCOM_REG_STAT2.

Referenced by uchcom_update_status().

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uchcom_get_version()

static void uchcom_get_version ( struct uchcom_softc *  sc, uint8_t *  rver  )

static

Definition at line 479 of file uchcom.c.

References uchcom_ctrl_read(), UCHCOM_INPUT_BUF_SIZE, and UCHCOM_REQ_GET_VERSION.

Referenced by uchcom_cfg_param(), and uchcom_update_version().

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uchcom_intr_callback()

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

static

Definition at line 780 of file uchcom.c.

References DPRINTF, error, uchcom_softc::sc_ucom, uchcom_convert_status(), UCHCOM_INTR_LEAST, UCHCOM_INTR_STAT1, ucom_status_change(), 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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uchcom_poll()

static void uchcom_poll ( struct ucom_softc *  ucom )

static

Definition at line 886 of file uchcom.c.

References ucom_softc::sc_parent, uchcom_softc::sc_xfer, UCHCOM_N_TRANSFER, and usbd_transfer_poll().

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uchcom_pre_param()

static int uchcom_pre_param ( struct ucom_softc *  ucom, struct termios *  t  )

static

Definition at line 683 of file uchcom.c.

References uchcom_calc_divider_settings().

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uchcom_probe()

static int uchcom_probe ( device_t  dev )

static

Definition at line 293 of file uchcom.c.

References usbd_lookup_info::bConfigIndex, usbd_lookup_info::bIfaceIndex, dev, usb_attach_arg::info, UCHCOM_CONFIG_INDEX, uchcom_devs, UCHCOM_IFACE_INDEX, usb_attach_arg::usb_mode, USB_MODE_HOST, and usbd_lookup_id_by_uaa().

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uchcom_read_callback()

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

static

Definition at line 853 of file uchcom.c.

References error, uchcom_softc::sc_ucom, ucom_put_data(), USB_ERR_CANCELLED, USB_GET_STATE, USB_ST_SETUP, USB_ST_TRANSFERRED, 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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uchcom_read_reg()

static void uchcom_read_reg ( struct uchcom_softc *  sc, uint8_t  reg1, uint8_t *  rval1, uint8_t  reg2, uint8_t *  rval2  )

static

Definition at line 459 of file uchcom.c.

References DPRINTF, uchcom_ctrl_read(), UCHCOM_INPUT_BUF_SIZE, and UCHCOM_REQ_READ_REG.

Referenced by uchcom_cfg_param(), uchcom_cfg_set_break(), and uchcom_get_status().

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uchcom_set_baudrate()

static void uchcom_set_baudrate ( struct uchcom_softc *  sc, uint32_t  rate  )

static

Definition at line 615 of file uchcom.c.

References uchcom_divider::dv_div, uchcom_divider::dv_mod, uchcom_divider::dv_prescaler, uchcom_calc_divider_settings(), UCHCOM_REG_BPS_DIV, UCHCOM_REG_BPS_MOD, UCHCOM_REG_BPS_PAD, UCHCOM_REG_BPS_PRE, and uchcom_write_reg().

Referenced by uchcom_cfg_param().

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uchcom_set_dtr_rts()

static void uchcom_set_dtr_rts ( struct uchcom_softc *  sc )

static

Definition at line 538 of file uchcom.c.

References uchcom_softc::sc_dtr, uchcom_softc::sc_rts, uchcom_softc::sc_version, UCHCOM_DTR_MASK, UCHCOM_RTS_MASK, uchcom_set_dtr_rts_10(), uchcom_set_dtr_rts_20(), UCHCOM_VER_20, and val.

Referenced by uchcom_cfg_param(), uchcom_cfg_set_dtr(), and uchcom_cfg_set_rts().

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uchcom_set_dtr_rts_10()

static void uchcom_set_dtr_rts_10 ( struct uchcom_softc *  sc, uint8_t  val  )

static

Definition at line 496 of file uchcom.c.

References UCHCOM_REG_STAT1, uchcom_write_reg(), and val.

Referenced by uchcom_set_dtr_rts().

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uchcom_set_dtr_rts_20()

static void uchcom_set_dtr_rts_20 ( struct uchcom_softc *  sc, uint8_t  val  )

static

Definition at line 502 of file uchcom.c.

References uchcom_ctrl_write(), UCHCOM_REQ_SET_DTRRTS, and val.

Referenced by uchcom_set_dtr_rts().

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uchcom_start_read()

static void uchcom_start_read ( struct ucom_softc *  ucom )

static

Definition at line 737 of file uchcom.c.

References ucom_softc::sc_parent, uchcom_softc::sc_xfer, UCHCOM_BULK_DT_RD, UCHCOM_INTR_DT_RD, and usbd_transfer_start().

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uchcom_start_write()

static void uchcom_start_write ( struct ucom_softc *  ucom )

static

Definition at line 761 of file uchcom.c.

References ucom_softc::sc_parent, uchcom_softc::sc_xfer, UCHCOM_BULK_DT_WR, and usbd_transfer_start().

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uchcom_stop_read()

static void uchcom_stop_read ( struct ucom_softc *  ucom )

static

Definition at line 749 of file uchcom.c.

References ucom_softc::sc_parent, uchcom_softc::sc_xfer, UCHCOM_BULK_DT_RD, UCHCOM_INTR_DT_RD, and usbd_transfer_stop().

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uchcom_stop_write()

static void uchcom_stop_write ( struct ucom_softc *  ucom )

static

Definition at line 769 of file uchcom.c.

References ucom_softc::sc_parent, uchcom_softc::sc_xfer, UCHCOM_BULK_DT_WR, and usbd_transfer_stop().

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uchcom_update_status()

static void uchcom_update_status ( struct uchcom_softc *  sc )

static

Definition at line 529 of file uchcom.c.

References uchcom_convert_status(), and uchcom_get_status().

Referenced by uchcom_cfg_open(), and uchcom_cfg_param().

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uchcom_update_version()

static void uchcom_update_version ( struct uchcom_softc *  sc )

static

Definition at line 512 of file uchcom.c.

References DPRINTF, uchcom_softc::sc_version, and uchcom_get_version().

Referenced by uchcom_cfg_open().

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uchcom_write_callback()

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

static

Definition at line 822 of file uchcom.c.

References DPRINTF, error, uchcom_softc::sc_ucom, ucom_get_data(), USB_ERR_CANCELLED, USB_GET_STATE, USB_ST_SETUP, USB_ST_TRANSFERRED, usbd_transfer_submit(), usbd_xfer_get_frame(), usbd_xfer_max_len(), usbd_xfer_set_frame_len(), usbd_xfer_set_stall(), and usbd_xfer_softc().

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uchcom_write_reg()

static void uchcom_write_reg ( struct uchcom_softc *  sc, uint8_t  reg1, uint8_t  val1, uint8_t  reg2, uint8_t  val2  )

static

Definition at line 447 of file uchcom.c.

References DPRINTF, uchcom_ctrl_write(), and UCHCOM_REQ_WRITE_REG.

Referenced by uchcom_cfg_param(), uchcom_cfg_set_break(), uchcom_set_baudrate(), and uchcom_set_dtr_rts_10().

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UCOM_UNLOAD_DRAIN()

UCOM_UNLOAD_DRAIN

(

uchcom

)

USB_PNP_HOST_INFO()

USB_PNP_HOST_INFO

(

uchcom_devs

)

Variable Documentation

dividers

const struct uchcom_divider_record dividers[]

static

Initial value:

=
{
        {307200, 307200, UCHCOM_BASE_UNKNOWN, {7, 0xD9, 0}},
        {921600, 921600, UCHCOM_BASE_UNKNOWN, {7, 0xF3, 0}},
        {2999999, 23530, 6000000, {3, 0, 0}},
        {23529, 2942, 750000, {2, 0, 0}},
        {2941, 368, 93750, {1, 0, 0}},
        {367, 1, 11719, {0, 0, 0}},
}

Definition at line 193 of file uchcom.c.

Referenced by uchcom_calc_divider_settings().

uchcom_attach

device_attach_t uchcom_attach

static

Definition at line 235 of file uchcom.c.

uchcom_callback

struct ucom_callback uchcom_callback

static

Initial value:

= {
        .ucom_cfg_get_status = &uchcom_cfg_get_status,
        .ucom_cfg_set_dtr = &uchcom_cfg_set_dtr,
        .ucom_cfg_set_rts = &uchcom_cfg_set_rts,
        .ucom_cfg_set_break = &uchcom_cfg_set_break,
        .ucom_cfg_open = &uchcom_cfg_open,
        .ucom_cfg_param = &uchcom_cfg_param,
        .ucom_pre_param = &uchcom_pre_param,
        .ucom_start_read = &uchcom_start_read,
        .ucom_stop_read = &uchcom_stop_read,
        .ucom_start_write = &uchcom_start_write,
        .ucom_stop_write = &uchcom_stop_write,
        .ucom_poll = &uchcom_poll,
        .ucom_free = &uchcom_free,
}

Definition at line 272 of file uchcom.c.

Referenced by uchcom_attach().

uchcom_config_data

const struct usb_config uchcom_config_data[UCHCOM_N_TRANSFER]

static

Initial value:

= {
        [UCHCOM_BULK_DT_WR] = {
                .type = UE_BULK,
                .endpoint = UE_ADDR_ANY,
                .direction = UE_DIR_OUT,
                .bufsize = UCHCOM_BULK_BUF_SIZE,
                .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
                .callback = &uchcom_write_callback,
        },
 
        [UCHCOM_BULK_DT_RD] = {
                .type = UE_BULK,
                .endpoint = UE_ADDR_ANY,
                .direction = UE_DIR_IN,
                .bufsize = UCHCOM_BULK_BUF_SIZE,
                .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
                .callback = &uchcom_read_callback,
        },
 
        [UCHCOM_INTR_DT_RD] = {
                .type = UE_INTERRUPT,
                .endpoint = UE_ADDR_ANY,
                .direction = UE_DIR_IN,
                .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
                .bufsize = 0,   
                .callback = &uchcom_intr_callback,
        },
}

Definition at line 243 of file uchcom.c.

Referenced by uchcom_attach().

uchcom_detach

device_detach_t uchcom_detach

static

Definition at line 236 of file uchcom.c.

Referenced by uchcom_attach().

uchcom_devclass

devclass_t uchcom_devclass

static

Definition at line 906 of file uchcom.c.

uchcom_devs

const STRUCT_USB_HOST_ID uchcom_devs[]

static

Initial value:

= {
        {USB_VPI(USB_VENDOR_WCH, USB_PRODUCT_WCH_CH341SER, 0)},
        {USB_VPI(USB_VENDOR_WCH2, USB_PRODUCT_WCH2_CH341SER, 0)},
        {USB_VPI(USB_VENDOR_WCH2, USB_PRODUCT_WCH2_CH341SER_2, 0)},
}

Definition at line 205 of file uchcom.c.

Referenced by uchcom_probe().

uchcom_driver

driver_t uchcom_driver

static

Initial value:

= {
        .name = "uchcom",
        .methods = uchcom_methods,
        .size = sizeof(struct uchcom_softc)
}

Definition at line 900 of file uchcom.c.

uchcom_intr_callback

usb_callback_t uchcom_intr_callback

static

Definition at line 239 of file uchcom.c.

uchcom_methods

device_method_t uchcom_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe, uchcom_probe),
        DEVMETHOD(device_attach, uchcom_attach),
        DEVMETHOD(device_detach, uchcom_detach),
        DEVMETHOD_END
}

Definition at line 892 of file uchcom.c.

uchcom_probe

device_probe_t uchcom_probe

static

Definition at line 234 of file uchcom.c.

uchcom_read_callback

usb_callback_t uchcom_read_callback

static

Definition at line 241 of file uchcom.c.

uchcom_write_callback

usb_callback_t uchcom_write_callback

static

Definition at line 240 of file uchcom.c.