Add exitspec section and add new -x parameters

src/avrdude.1

@@ -500,65 +500,13 @@ case before programming the cell.
 .It Xo Fl E Ar exitspec Ns
 .Op \&, Ns Ar exitspec
 .Xc
-By default,
-.Nm
-leaves the parallel port in the same state at exit as it has been
-found at startup.  This option modifies the state of the
-.Ql /RESET
-and
-.Ql Vcc
-lines the parallel port is left at, according to the
+Pass
 .Ar exitspec
-arguments provided, as follows:
-.Bl -tag -width noreset
-.It Ar reset
-The
-.Ql /RESET
-signal will be left activated at program exit, that is it will be held
-.Em low ,
-in order to keep the MCU in reset state afterwards.  Note in particular
-that the programming algorithm for the AT90S1200 device mandates that
-the
-.Ql /RESET
-signal is active
-.Em before
-powering up the MCU, so in case an external power supply is used for this
-MCU type, a previous invocation of
+to the chosen programmer. The interpretation of the exitspec arguments
+depends on the programmer itself. See below for a list of programmers
+accepting extended parameters or issue
 .Nm
-with this option specified is one of the possible ways to guarantee this
-condition.
-.Em reset
-is supported by the linuxspi and flip2 programmer options, as well as all
-parallel port based programmers.
-.It Ar noreset
-The
-.Ql /RESET
-line will be deactivated at program exit, thus allowing the MCU target
-program to run while the programming hardware remains connected.
-.Em noreset
-is supported by the linuxspi and flip2 programmer options, as well as all
-parallel port based programmers.
-.It Ar vcc
-This option will leave those parallel port pins active
-.Pq \&i. \&e. Em high
-that can be used to supply
-.Ql Vcc
-power to the MCU.
-.It Ar novcc
-This option will pull the
-.Ql Vcc
-pins of the parallel port down at program exit.
-.It Ar d_high
-This option will leave the 8 data pins on the parallel port active.
-.Pq \&i. \&e. Em high
-.It Ar d_low
-This option will leave the 8 data pins on the parallel port inactive.
-.Pq \&i. \&e. Em low
-.El
-.Pp
-Multiple
-.Ar exitspec
-arguments can be separated with commas.
+-E help ... to see the extended options of the chosen programmer.
 .It Fl F
 Normally,
 .Nm
@@ -828,7 +776,6 @@ of that by erasing pages before programming them unless -e (chip erase) or
 -D (do not erase before writing) was requested. It should be noted that in
 absence of the -e chip erase option any ATxmega or UPDI flash pages not
 affected by the programming will retain their previous content.
-
 .Pp
 Classic devices may have the following memories in addition to eeprom, flash, signature and lock:
 .Bl -tag -width "  calibration" -compact
@@ -1854,6 +1801,13 @@ original STK500. Used by avrdude for the correct calculation of fosc and sck.
 .It Ar help
 Show help menu and exit.
 .El
+.It Ar AVR109
+.Bl -tag -offset indent -width indent
+.It Ar autoreset
+Toggle RTS/DTR lines on port open to issue a hardware reset.
+.It Ar help
+Show help menu and exit.
+.El
 .It Ar AVR910
 .Bl -tag -offset indent -width indent
 .It Ar devcode=VALUE
@@ -1886,6 +1840,8 @@ Show help menu and exit.
 .It Ar attemps[=<1..99>]
 Specify how many connection retry attemps to perform before exiting.
 Defaults to 10 if not specified.
+.It Ar noautoreset
+Don't toggle RTS/DTR lines on port open to prevent a hardware reset.
 .It Ar help
 Show help menu and exit.
 .El
@@ -1984,6 +1940,8 @@ title) and no date either.
 On writing to flash do not store metadata except the metadata code byte
 0xff saying there are no metadata.  In particular, no data store frame is
 programmed.
+.It Ar noautoreset
+Don't toggle RTS/DTR lines on port open to prevent a hardware reset.
 .It Ar nometadata
 Do not support any metadata. The full flash besides the bootloader is
 available for the application. If the application is smaller than the
@@ -2131,6 +2089,8 @@ Add a <n> milliseconds delay after resetting the part through toggling the
 DTR/RTS lines. This can be useful if a board takes a particularly long
 time to exit from external reset. <n> can be negative, in which case the
 default 100 ms delay after issuing reset will be shortened accordingly.
+.It Ar noautoreset
+Don't toggle RTS/DTR lines on port open to prevent a hardware reset.
 .It Ar help
 Show help menu and exit.
 .El
@@ -2213,6 +2173,59 @@ This option allows to choose these additional CSes (1, 2, ...) for programming t
 Show help menu and exit.
 .El
 .El
+.Ss Programmers accepting exitspec arguments
+Currently, only the flip2, linuxspi and old school parallel port programmers
+such as stk200 and dapa support exitspec arguments. These lets the user
+decide in which state the programmer pins after ended programming session.
+Multiple exitspec arguments can be separated with commas.
+.Bl -tag -offset indent -width indent
+.It Ar flip2
+.It Ar linuxspi
+.It Parallel port programmers
+.Bl -tag -offset indent -width indent
+.It Ar help
+Show help menu and exit.
+.It Ar reset
+The
+.Ql /RESET
+signal will be left activated at program exit, that is it will be held
+.Em low ,
+in order to keep the MCU in reset state afterwards.  Note in particular
+that the programming algorithm for the AT90S1200 device mandates that
+the
+.Ql /RESET
+signal is active
+.Em before
+powering up the MCU, so in case an external power supply is used for this
+MCU type, a previous invocation of
+.Nm
+with this option specified is one of the possible ways to guarantee this
+condition.
+.It Ar noreset
+The
+.Ql /RESET
+line will be deactivated at program exit, thus allowing the MCU target
+program to run while the programming hardware remains connected.
+.El
+.It Parallel port programmers
+.Bl -tag -offset indent -width indent
+.It Ar vcc
+This option will leave those parallel port pins active
+.Pq \&i. \&e. Em high
+that can be used to supply
+.Ql Vcc
+power to the MCU.
+.It Ar novcc
+This option will pull the
+.Ql Vcc
+pins of the parallel port down at program exit.
+.It Ar d_high
+This option will leave the 8 data pins on the parallel port active.
+.Pq \&i. \&e. Em high
+.It Ar d_low
+This option will leave the 8 data pins on the parallel port inactive.
+.Pq \&i. \&e. Em low
+.El
 .Sh FILES
 .Bl -tag -offset indent -width /dev/ppi0XXX
 .It Pa /dev/ppi0