1/* 2 * Platform dependent support for HP simulator. 3 * 4 * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co 5 * David Mosberger-Tang <davidm@hpl.hp.com> 6 * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com> 7 */ 8 9#include <linux/init.h> 10#include <linux/kernel.h> 11#include <linux/param.h> 12#include <linux/string.h> 13#include <linux/types.h> 14#include <linux/tty.h> 15#include <linux/kdev_t.h> 16#include <linux/console.h> 17 18#include <asm/delay.h> 19#include <asm/irq.h> 20#include <asm/pal.h> 21#include <asm/machvec.h> 22#include <asm/pgtable.h> 23#include <asm/sal.h> 24 25#include "hpsim_ssc.h" 26 27static int simcons_init (struct console *, char *); 28static void simcons_write (struct console *, const char *, unsigned); 29static struct tty_driver *simcons_console_device (struct console *, int *); 30 31struct console hpsim_cons = { 32 .name = "simcons", 33 .write = simcons_write, 34 .device = simcons_console_device, 35 .setup = simcons_init, 36 .flags = CON_PRINTBUFFER, 37 .index = -1, 38}; 39 40static int 41simcons_init (struct console *cons, char *options) 42{ 43 return 0; 44} 45 46static void 47simcons_write (struct console *cons, const char *buf, unsigned count) 48{ 49 unsigned long ch; 50 51 while (count-- > 0) { 52 ch = *buf++; 53 ia64_ssc(ch, 0, 0, 0, SSC_PUTCHAR); 54 if (ch == '\n') 55 ia64_ssc('\r', 0, 0, 0, SSC_PUTCHAR); 56 } 57} 58 59static struct tty_driver *simcons_console_device (struct console *c, int *index) 60{ 61 extern struct tty_driver *hp_simserial_driver; 62 *index = c->index; 63 return hp_simserial_driver; 64} 65