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This commit is contained in:
Jorrit Herder
2005-04-29 15:36:43 +00:00
parent 0e869cdd44
commit 89ac678b9b
78 changed files with 1293 additions and 2858 deletions
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6
drivers/printer/printer.c
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@@ -3,7 +3,7 @@
* are written to the printer without any changes at all.
*
* Changes:
* May 07, 2004 wait until printer is ready (Jorrit N. Herder)
* May 07, 2004 fix: wait until printer is ready (Jorrit N. Herder)
* May 06, 2004 printer driver moved to user-space (Jorrit N. Herder)
*
* The valid messages and their parameters are:
@@ -278,11 +278,15 @@ PRIVATE void do_initialize()
if (initialized) return;
initialized = TRUE;
#if DEAD_CODE
/* Get the base port for first printer. This used to be done from the
* BIOS with phys_copy(0x408L, vir2phys(&port_base), 2L); but currently
* a magic number is put in place.
*/
port_base = 0x378;
#endif
sys_vircopy(SELF, BIOS_SEG, LPT1_IO_PORT_ADDR,
SELF, D, (vir_bytes) &port_base, LPT1_IO_PORT_SIZE);
sys_outb(port_base + 2, INIT_PRINTER);
tick_delay(1); /* easily satisfies Centronics minimum */
/* was 2 millisecs; now is ~17 millisecs */