diff options
Diffstat (limited to 'arch/sparc64/prom/console.c')
| -rw-r--r-- | arch/sparc64/prom/console.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/arch/sparc64/prom/console.c b/arch/sparc64/prom/console.c deleted file mode 100644 index ac6d035dd15..00000000000 --- a/arch/sparc64/prom/console.c +++ /dev/null @@ -1,154 +0,0 @@ -/* $Id: console.c,v 1.9 1997/10/29 07:41:43 ecd Exp $ - * console.c: Routines that deal with sending and receiving IO - * to/from the current console device using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/system.h> -#include <linux/string.h> - -extern int prom_stdin, prom_stdout; - -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -__inline__ int -prom_nbgetchar(void) -{ - char inc; - - if (p1275_cmd("read", P1275_ARG(1,P1275_ARG_OUT_BUF)| - P1275_INOUT(3,1), - prom_stdin, &inc, P1275_SIZE(1)) == 1) - return inc; - else - return -1; -} - -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -__inline__ int -prom_nbputchar(char c) -{ - char outc; - - outc = c; - if (p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| - P1275_INOUT(3,1), - prom_stdout, &outc, P1275_SIZE(1)) == 1) - return 0; - else - return -1; -} - -/* Blocking version of get character routine above. */ -char -prom_getchar(void) -{ - int character; - while((character = prom_nbgetchar()) == -1) ; - return (char) character; -} - -/* Blocking version of put character routine above. */ -void -prom_putchar(char c) -{ - prom_nbputchar(c); - return; -} - -void -prom_puts(const char *s, int len) -{ - p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| - P1275_INOUT(3,1), - prom_stdout, s, P1275_SIZE(len)); -} - -/* Query for input device type */ -enum prom_input_device -prom_query_input_device(void) -{ - int st_p; - char propb[64]; - - st_p = prom_inst2pkg(prom_stdin); - if(prom_node_has_property(st_p, "keyboard")) - return PROMDEV_IKBD; - prom_getproperty(st_p, "device_type", propb, sizeof(propb)); - if(strncmp(propb, "serial", 6)) - return PROMDEV_I_UNK; - /* FIXME: Is there any better way how to find out? */ - memset(propb, 0, sizeof(propb)); - st_p = prom_finddevice ("/options"); - prom_getproperty(st_p, "input-device", propb, sizeof(propb)); - - /* - * If we get here with propb == 'keyboard', we are on ttya, as - * the PROM defaulted to this due to 'no input device'. - */ - if (!strncmp(propb, "keyboard", 8)) - return PROMDEV_ITTYA; - - if (!strncmp (propb, "rsc", 3)) - return PROMDEV_IRSC; - - if (strncmp (propb, "tty", 3) || !propb[3]) - return PROMDEV_I_UNK; - - switch (propb[3]) { - case 'a': return PROMDEV_ITTYA; - case 'b': return PROMDEV_ITTYB; - default: return PROMDEV_I_UNK; - } -} - -/* Query for output device type */ - -enum prom_output_device -prom_query_output_device(void) -{ - int st_p; - char propb[64]; - int propl; - - st_p = prom_inst2pkg(prom_stdout); - propl = prom_getproperty(st_p, "device_type", propb, sizeof(propb)); - if (propl >= 0 && propl == sizeof("display") && - strncmp("display", propb, sizeof("display")) == 0) - return PROMDEV_OSCREEN; - if(strncmp("serial", propb, 6)) - return PROMDEV_O_UNK; - /* FIXME: Is there any better way how to find out? */ - memset(propb, 0, sizeof(propb)); - st_p = prom_finddevice ("/options"); - prom_getproperty(st_p, "output-device", propb, sizeof(propb)); - - /* - * If we get here with propb == 'screen', we are on ttya, as - * the PROM defaulted to this due to 'no input device'. - */ - if (!strncmp(propb, "screen", 6)) - return PROMDEV_OTTYA; - - if (!strncmp (propb, "rsc", 3)) - return PROMDEV_ORSC; - - if (strncmp (propb, "tty", 3) || !propb[3]) - return PROMDEV_O_UNK; - - switch (propb[3]) { - case 'a': return PROMDEV_OTTYA; - case 'b': return PROMDEV_OTTYB; - default: return PROMDEV_O_UNK; - } -} |
