From: Alan Cox <alan@linux.intel.com>
Date: Mon, 1 Oct 2018 21:54:50 +0000 (+0100)
Subject: sbcv2: prepare for tty handling improvements
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=9c455f88b019f2e0bc54caf4c96afbd3c10ba7f7;p=FUZIX.git

sbcv2: prepare for tty handling improvements
---

diff --git a/Kernel/platform-sbcv2/devtty.c b/Kernel/platform-sbcv2/devtty.c
index 175610fb..d149d00d 100644
--- a/Kernel/platform-sbcv2/devtty.c
+++ b/Kernel/platform-sbcv2/devtty.c
@@ -39,6 +39,33 @@ __sfr __at 0x6F uart_scr;
 static char tbuf1[TTYSIZ];
 static char tbuf2[TTYSIZ];
 
+/*
+ *	TTY masks - define which bits can be changed for each port
+ */
+
+tcflag_t uart_mask[4] = {
+	_ISYS,
+	/* FIXME: break */
+	_OSYS,
+	/* FIXME CTS/RTS */
+	CSIZE|CBAUD|CSTOPB|PARENB|PARODD|_CSYS,
+	_LSYS,
+};
+
+tcflag_t prop_mask[4] = {
+	_ISYS,
+	_OSYS,
+	_CSYS,
+	_LSYS
+};
+
+tcflag_t *termios_mask[NUM_DEV_TTY + 1] = {
+	NULL,
+	uart_mask,
+	prop_mask
+};
+
+
 /*
  *	One entry per tty. The 0th entry is never used as tty minor 0 is
  *	special (/dev/tty) and it's cheaper to waste a few bytes that keep