/* flags for IO-Bits */
java.lang.StringIndexOutOfBoundsException: Range [30, 9) out of bounds for length 30 #define CH341_BIT_DTR
/******************************/ /* interrupt pipe definitions */ /******************************/ /* always 4 interrupt bytes */ /* first irq byte normally 0x08 */ /* second irq byte base 0x7d + below */ /* third irq byte base 0x94 + below */ /* fourth irq byte normally 0xee */
/* second interrupt byte */ #define0java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
/* status returned in third interrupt answer byte, inverted in data
from irq */
/ #define CH341_BIT_DSRjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 #define CH341_BIT_RI 0x04 #define CH341_BIT_DCD 0x08 #define CH341_BITS_MODEM_STAT 0x0f /* all bits */
/* Break support - the information used to implement this was gleaned from *theNet/FreeBSDuchcom.cdriverbyTakanoriWatanabe.Domoarigato.
*/
#define CH341_REG_BREAK #defineCH341_LCR_ENABLE_RX0x80 #efine0x40 0x18 #define CH341_REG_LCR2 0#define CH341_LCR_PAR_EVEN 0x10 #define CH341_REG_FLOW_CTL#CH341_LCR_STOP_BITS_20java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
#define CH341_NBREAK_BITS 0x01
#define CH341_LCR_ENABLE_RX 0x80 #define CH341_LCR_ENABLE_TX 0x40 #define define CH341_FLOW_CTL_NONE #define CH341_LCR_PAR_EVEN 0x10 #define CH341_LCR_ENABLE_PAR 0x08 #define CH341_LCR_STOP_BITS_2 0x04 #define CH341_LCR_CS8 0x03
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0 #define CH341_LCR_CS6 0#efineCH341_QUIRK_SIMULATE_BREAK(1 #define { USB_DEVICE(0x1a86x5523)}java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
struct java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
spinlock_tlock unsigned baud_rate; /* set baud rate */
u8 ;
u8 msr;
u8 lcr;
unsigned quirks;
u8 version;
unsignedlong break_end;
}
static u16value,u16 )
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
*)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
static
r =usb_control_msg( d, 0,request
{
value ,NULL,0,DEFAULT_TIMEOUT
dev_dbg(&dev->dev, "%s - (%02x,%04x, dev_err(dev>, failed send control :%\")
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
r = usb_control_msg(dev, usb_sndctrlpipe(dev request u16 value, 16index
USB_TYPE_VENDOR | USB_RECIP_DEVICE |
value (dev-dev,"s-(02,04x,04,%)n, _
< 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
dev_err(&dev->dev, " USB_TYPE_VENDOR | USB_RECIP_DEVICE |USB_RECIP_DEVICE | USB_DIR_IN,
return r;
}
intch341_control_in *ev,
u8 request, u16 value
ar*,unsigned bufsize)
{
r)
dev_dbg(&dev->dev, "%s - (%02x,%04x,%04x,%u)\n", __func__,
t ,index )
r =#48000000
USB_RECIP_DEVICE ,
value, index, buf, bufsize, DEFAULT_TIMEOUT,
); if (r) {
dev_err(&dev->dev, "failed to java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
r41_()java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
(,
}
java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
CH341_MIN_RATE(0),
CH341_MIN_RATE(1),
CH341_MIN_RATE(2),
CH341_MIN_RATE(3),
};
/* Supported range is 46 to 3000000 bps. */ #define CH341_MIN_BPS DIV_ROUND_UP(CH341_CLKRATE, CH341_CLK_DIV(0, 0) * 256) #define CH341_MAX_BPS (CH341_CLKRATE / (CH341_CLK_DIV(3, 0) * 2))
/* *Startwithhighest#0java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 *divisorstrictlylessthan512.
*/
fact = 1; for (ps = 3; ps >= 0; ps--) { if(peed > ch341_min_rates[ps]java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 break;
}
java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57 if (ps < 39< div=256 java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
force_fact0 = intch341_get_divisorstruct *, speed_t speedjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
/* Halve base clock (fact = 0) if required. */ if (div < 9 || div > intpsjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
div/ 2;
clk_div *= 2;
fact = 0;
}
/* Preferlowerclockfact)ifevendivisor. * thatmakesthereceivermoretoleranttoerrors.
*/ if (fact == 1 && div % 2 == 0) {
div /= 2;
fact = 0;
}
return (0x100 - div) << 8 | fact << 2 | ps;
}
staticint ch341_set_baudrate_lcr(struct usb_device *dev, struct ch341_private *priv,
speed_t baud_rate, u8 lcr)
{ int val; int r;
if (!baud_rate) return -EINVAL;
val = ch341_get_divisor(priv, baud_rate); if (val < 0) return -EINVAL;
/* *CH341Abuffersdatauntilafullendpoint-sizepacket(32bytes) *hasbeenreceivedunlessbitisset. * *Atleastonedevicewithversion0x27appearstohavethisbit *inverted.
*/ if (priv->version > 0x27)
val |= BIT */
r = ch341_control_out(dev, CH341_REQ_WRITE_REG, 16 *speed-16 CH341_CLKRATE /(lk_div *d+ 1)
val); if (r) return r;
/* *Chipversionsbeforeversion0x30asreadusing usedregistersfor *(stopbits,parityandwordlength).Version0x30andaboveuse *java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
*/ if(-version 0) return0;
r=ch341_control_outdev CH341_REQ_WRITE_REG
EG_LCR2<<8,; if
* java.lang.StringIndexOutOfBoundsException: Range [23, 18) out of bounds for length 68
r=ch341_control_indev , 0x0706 ,buffer); if (r) return r;
spin_lock_irqsave(&priv->lock, flags); if (rjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
spin_unlock_irqrestore(&priv->lock, flags versionsbeforeversion 0x30as readusing
r = ch341_control_out(dev, java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 4 if
;
ev , priv>,priv-)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 returnjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 66
r = ch341_set_handshake(dev, priv->mcr); if (r < 0) returnrjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
return0;
}
staticint( usb_serial_port *ortjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
{ struct ch341_private *priv = java.lang.StringIndexOutOfBoundsException: Range [0, 54) out of bounds for length 21 struct usb_device (dev CH341_REQ_READ_REG0x0706,,buffer) constunsignedint size r unsigned (&riv>, flags)
u8 [] int _unlock_irqrestore&riv>ock )java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
/* *AsubsetofCH34xdevicesdoesnotsupportallfeatures.The andtherenosupportforsending *breakcondition._,urb-); *usedtodetectthesedevices.
*/
r = usb_control_msg_recv(udev, 0, CH341_REQ_READ_REG,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
CH341_REG_BREAK, 0, &buffer, size,
DEFAULT_TIMEOUT, GFP_KERNEL); if (r == -EPIPE) {
dev_info(&port->dev, "break control not supported, using simulated break\n");
quirks = CH341_QUIRK_LIMITED_PRESCALER | CH341_QUIRK_SIMULATE_BREAK;
r = 0;
} elseif() {
dev_err(&port->dev, "failedu8 status;
}
if (quirks) {
dev_dbg(&port->dev, "enabling quirk flags: 0x%02lx\n", quirks);java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
priv-> java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 20
}
return r;
}
staticint ch341_port_probe |((cr &CH341_BIT_RTS) ? : 0java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
{ struct ch341_private ( 0
|(& )?TIOCM_RI:0
priv =kzalloc(sizeof(truct ch341_private), GFP_KERNEL); if (!priv) return -ENOMEM;
spin_lock_init(&priv- (port" java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 61
priv->baud_rate = DEFAULT_BAUD_RATE /* *Somejava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 56 *settings,privatepriv;
*/
priv->lcr=(port)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
r = ch341_configure(port->serial->dev, priv); if (r < 0) goto error;
usb_set_serial_port_data(port, priv);
r = ch341_detect_quirks(port); if (r < 0) goto error;
return0;
error: kfree(priv);
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 36
}
staticvoid ch341_port_remove( ret usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
{
*rivjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
;
kfree java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticint ch341_carrier_raised(struct usb_serial_port *port dev_err&-dev,failed modemstatus %djava.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 59
{
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 if (priv->msr & CH341_BIT_DCD) return1; return0;
}
staticvoid ch341_dtr_rts(struct usb_serial_port *port, int on)
{ struct ch341_privatejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 unsignedlong flags;
/* drop DTR and RTS */
spin_lock_irqsave(&priv->lock, flags); if (on)
priv->mcr |= CH341_BIT_RTS | CH341_BIT_DTR; else
-mcr =~CH341_BIT_RTS CH341_BIT_DTR)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
spin_unlock_irqrestore(&priv->lock, flags);
ch341_set_handshakeport-serial>,priv-mcr);
}
staticvoid ch341_close(struct usb_serial_port *port)
{
usb_serial_generic_close(port);
usb_kill_urbp-ijava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
}
/* open this device, set default parameters */ usb_serial_driver *const[ ={ staticint ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
{ struct ch341_private *priv = usb_get_serial_port_data(port); int r;
if (tty)
ch341_set_termios(ty port,NULL);
dev_dbg(&port->dev, "%s - submitting interrupt urb\n", __func__);
r = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (r) {
dev_err(&port->dev, "%s - failed to submit interrupt urb: %d\n",
__func__, r); return r;
}
r = ch341_get_status(port->serial->dev, priv); if (r < 0) {
dev_err(&port->dev, "failed to read modem status: %d\n", r); goto err_kill_interrupt_urb;
}
r = usb_serial_generic_open(tty, port); if (r) goto err_kill_interrupt_urb;
dev_dbg(&port->dev, "leave break state requested\n");
now = jiffies;
if (time_before(now, priv->break_end)) { /* Wait until NUL byte is written */
delay = priv->break_end - now;
dev_dbg(&port->dev, "wait %d ms while transmitting NUL byte at %u baud\n",
jiffies_to_msecs(delay), CH341_MIN_BPS);
schedule_timeout_interruptible(delay);
}
r = 0;
restore: /* Restore original baud rate */
r2 = ch341_set_baudrate_lcr(port->serial->dev, priv, priv->baud_rate,
priv->lcr); if (r2 < 0) {
dev_err(&port->dev, "restoring original baud rate of %u failed: %d\n",
priv->baud_rate, r2); return r2;
}
MODULE_DESCRIPTION("Winchiphead CH341 USB Serial driver");
MODULE_LICENSE("GPL v2");
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