From bbdb125fd6cdaf4acae3459b1b0e42e66bb9e96f Mon Sep 17 00:00:00 2001
From: reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>
Date: Sat, 17 Aug 2002 12:54:08 +0000
Subject: [lcd4linux @ 2002-08-17 12:54:08 by reinelt] minor T6963 changes
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@154 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
---
T6963.c | 30 +++++++++++++++++++++++-------
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/T6963.c b/T6963.c
index 96ab4a3..690a628 100644
--- a/T6963.c
+++ b/T6963.c
@@ -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 }
};
--
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