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Use generic tty processing code instead of local copy.

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New device names are {tty,cua}G$(adapter)$(port)[.lock,.init]
This commit is contained in:
Poul-Henning Kamp 2004-10-08 06:45:10 +00:00
parent d9a471132b
commit e3240372a7
2 changed files with 103 additions and 758 deletions
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806
sys/dev/sx/sx.c
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55
sys/dev/sx/sx.h
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@ -27,7 +27,6 @@
* $FreeBSD$
*/
/*
* Per-channel soft information structure, stored in the driver. It's called
* "sx_port" just because the si driver calls it "si_port."
@ -38,16 +37,9 @@ struct sx_port {
int sp_chan; /* Channel number, for convenience. */
struct tty *sp_tty;
int sp_state;
int sp_active_out; /* callout is open */
int sp_delta_overflows;
u_int sp_wopeners; /* Processes waiting for DCD. */
struct termios sp_iin; /* Initial state. */
struct termios sp_iout;
struct termios sp_lin; /* Lock state. */
struct termios sp_lout;
#ifdef SX_DEBUG
struct sx_softc *sp_sc;
int sp_debug; /* debug mask */
#endif
};
/*
@ -71,51 +63,6 @@ struct sx_port {
#define SX_CD1865_TICK 4000 /* Timer tick rate, via prescaler. */
#define SX_CD1865_PRESCALE (SX_CD1865_CLOCK/SX_CD1865_TICK) /* Prescale value.*/
#include <sys/callout.h>
/*
* Device numbering for the sx device.
*
* The minor number is broken up into four fields as follows:
* Field Bits Mask
* --------------------- ---- ----
* Channel (port) number 0-2 0x07
* "DTR pin is DTR" flag 3 0x08
* Unused (zero) 4 0x10
* Card number 5-6 0x60
* Callout device flag 7 0x80
*
* The next 8 bits in the word is the major number, followed by the
* "initial state device" flag and then the "lock state device" flag.
*/
#define SX_CHAN_MASK 0x07
#define SX_DTRPIN_MASK 0x08
#define SX_CARD_MASK 0x60
#define SX_TTY_MASK 0x7f
#define SX_CALLOUT_MASK 0x80
#define SX_INIT_STATE_MASK 0x10000
#define SX_LOCK_STATE_MASK 0x20000
#define SX_STATE_MASK 0x30000
#define SX_SPECIAL_MASK 0x30000
#define SX_CARDSHIFT 5
#define SX_MINOR2CHAN(m) (m & SX_CHAN_MASK)
#define SX_MINOR2CARD(m) ((m & SX_CARD_MASK) >> SX_CARDSHIFT)
#define SX_MINOR2TTY(m) (m & SX_TTY_MASK)
#define DEV_IS_CALLOUT(m) (m & SX_CALLOUT_MASK)
#define DEV_IS_STATE(m) (m & SX_STATE_MASK)
#define DEV_IS_SPECIAL(m) (m & SX_SPECIAL_MASK)
#define DEV_DTRPIN(m) (m & SX_DTRPIN_MASK)
#define MINOR2SC(m) ((struct sx_softc *)devclass_get_softc(sx_devclass,\
SX_MINOR2CARD(m)))
#define MINOR2PP(m) (MINOR2SC((m))->sc_ports + SX_MINOR2CHAN((m)))
#define MINOR2TP(m) (MINOR2PP((m))->sp_tty)
#define TP2PP(tp) (MINOR2PP(SX_MINOR2TTY(minor((tp)->t_dev))))
#define TP2SC(tp) (MINOR2SC(minor((tp)->t_dev)))
#define PP2SC(pp) (MINOR2SC(minor((pp)->sp_tty->t_dev)))
/* Buffer parameters */
#define SX_BUFFERSIZE CD1865_RFIFOSZ /* Just the size of the receive FIFO. */
#define SX_I_HIGH_WATER (TTYHOG - 2 * SX_BUFFERSIZE)