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[lcd4linux @ 2002-08-17 12:54:08 by reinelt]

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minor T6963 changes

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@154 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2002-08-17 12:54:08 +00:00
parent 55ca707f90
commit bbdb125fd6
1 changed files with 23 additions and 7 deletions
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T6963.c
+23 -7
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@@ -1,4 +1,4 @@
/* $Id: T6963.c,v 1.1 2002/04/29 11:00:26 reinelt Exp $
/* $Id: T6963.c,v 1.2 2002/08/17 12:54:08 reinelt Exp $
*
* driver for display modules based on the Toshiba T6963 chip
*
@@ -20,6 +20,9 @@
*
*
* $Log: T6963.c,v $
* Revision 1.2 2002/08/17 12:54:08 reinelt
* minor T6963 changes
*
* Revision 1.1 2002/04/29 11:00:26 reinelt
*
* added Toshiba T6963 driver
@@ -132,6 +135,8 @@ void T6_status1 (void)
ioctl (PPfd, PPDATADIR, &direction);
}
// Fixme:
static int bug=0;
// perform status check in "auto mode"
void T6_status2 (void)
@@ -156,10 +161,12 @@ void T6_status2 (void)
rep_nop();
if (++n>1000) {
debug("hang in status2");
bug=1;
break;
}
ioctl (PPfd, PPRDATA, &data);
} while ((data & 0x08) == 0);
// } while ((data & 0x08) == 0);
} while ((data & 0x08) != 0x08);
// rise RD and CE
ctrl = RD_H | WR_H | CE_H | CD_H;
@@ -190,6 +197,8 @@ static void T6_write_cmd (unsigned char cmd)
// rise WR and CE
ctrl = RD_H | WR_H | CE_H | CD_H;
ioctl (PPfd, PPWCONTROL, &ctrl);
ndelay(40); // Data Hold Time
}
static void T6_write_data (unsigned char data)
@@ -218,12 +227,11 @@ static void T6_write_data (unsigned char data)
ctrl = RD_H | WR_H | CE_H | CD_L;
ioctl (PPfd, PPWCONTROL, &ctrl);
ndelay(10); // C/D Hold Time
ndelay(40); // Data Hold Time
// rise CD
ctrl = RD_H | WR_H | CE_H | CD_H;
ioctl (PPfd, PPWCONTROL, &ctrl);
}
static void T6_write_auto (unsigned char data)
@@ -252,12 +260,11 @@ static void T6_write_auto (unsigned char data)
ctrl = RD_H | WR_H | CE_H | CD_L;
ioctl (PPfd, PPWCONTROL, &ctrl);
ndelay(10); // C/D Hold Time
ndelay(40); // Data Hold Time
// rise CD
ctrl = RD_H | WR_H | CE_H | CD_H;
ioctl (PPfd, PPWCONTROL, &ctrl);
}
static void T6_send_byte (unsigned char cmd, unsigned char data)
@@ -281,6 +288,10 @@ static void T6_memset(unsigned short addr, unsigned char data, int len)
T6_write_cmd(0xb0); // Set Data Auto Write
for (i=0; i<len; i++) {
T6_write_auto(data);
if (bug) {
debug("bug occured at byte %d of %d", i, len);
bug=0;
}
}
T6_status2();
T6_write_cmd(0xb2); // Auto Reset
@@ -295,6 +306,10 @@ static void T6_memcpy(unsigned short addr, unsigned char *data, int len)
T6_write_cmd(0xb0); // Set Data Auto Write
for (i=0; i<len; i++) {
T6_write_auto(*(data++));
if (bug) {
debug("bug occured at byte %d of %d, addr=%d", i, len, addr);
bug=0;
}
}
T6_status2();
T6_write_cmd(0xb2); // Auto Reset
@@ -459,6 +474,7 @@ int T6_quit (void)
}
LCD T6963[] = {
{ "TLC1091",16,40,XRES,YRES,BARS,0,T6_init,T6_clear,T6_put,T6_bar,NULL,T6_flush,T6_quit },
{ "TLC1091", 16,40,XRES,YRES,BARS,0,T6_init,T6_clear,T6_put,T6_bar,NULL,T6_flush,T6_quit },
{ "DMF5002N",14,40,XRES,YRES,BARS,0,T6_init,T6_clear,T6_put,T6_bar,NULL,T6_flush,T6_quit },
{ NULL }
};