diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/sun3/prom/console.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/m68k/sun3/prom/console.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/sun3/prom/console.c b/ANDROID_3.4.5/arch/m68k/sun3/prom/console.c deleted file mode 100644 index e9236437..00000000 --- a/ANDROID_3.4.5/arch/m68k/sun3/prom/console.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * 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) - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <linux/string.h> - -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -int -prom_nbgetchar(void) -{ - int i = -1; - unsigned long flags; - - local_irq_save(flags); - i = (*(romvec->pv_nbgetchar))(); - local_irq_restore(flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -int -prom_nbputchar(char c) -{ - unsigned long flags; - int i = -1; - - local_irq_save(flags); - i = (*(romvec->pv_nbputchar))(c); - local_irq_restore(flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* 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) -{ - while(prom_nbputchar(c) == -1) ; - return; -} - -/* Query for input device type */ -#if 0 -enum prom_input_device -prom_query_input_device() -{ - unsigned long flags; - int st_p; - char propb[64]; - char *p; - - switch(prom_vers) { - case PROM_V0: - case PROM_V2: - default: - switch(*romvec->pv_stdin) { - case PROMDEV_KBD: return PROMDEV_IKBD; - case PROMDEV_TTYA: return PROMDEV_ITTYA; - case PROMDEV_TTYB: return PROMDEV_ITTYB; - default: - return PROMDEV_I_UNK; - }; - case PROM_V3: - case PROM_P1275: - local_irq_save(flags); - st_p = (*romvec->pv_v2devops.v2_inst2pkg)(*romvec->pv_v2bootargs.fd_stdin); - __asm__ __volatile__("ld [%0], %%g6\n\t" : : - "r" (¤t_set[smp_processor_id()]) : - "memory"); - local_irq_restore(flags); - if(prom_node_has_property(st_p, "keyboard")) - return PROMDEV_IKBD; - prom_getproperty(st_p, "device_type", propb, sizeof(propb)); - if(strncmp(propb, "serial", sizeof("serial"))) - return PROMDEV_I_UNK; - prom_getproperty(prom_root_node, "stdin-path", propb, sizeof(propb)); - p = propb; - while(*p) p++; p -= 2; - if(p[0] == ':') { - if(p[1] == 'a') - return PROMDEV_ITTYA; - else if(p[1] == 'b') - return PROMDEV_ITTYB; - } - return PROMDEV_I_UNK; - }; -} -#endif - -/* Query for output device type */ - -#if 0 -enum prom_output_device -prom_query_output_device() -{ - unsigned long flags; - int st_p; - char propb[64]; - char *p; - int propl; - - switch(prom_vers) { - case PROM_V0: - switch(*romvec->pv_stdin) { - case PROMDEV_SCREEN: return PROMDEV_OSCREEN; - case PROMDEV_TTYA: return PROMDEV_OTTYA; - case PROMDEV_TTYB: return PROMDEV_OTTYB; - }; - break; - case PROM_V2: - case PROM_V3: - case PROM_P1275: - local_irq_save(flags); - st_p = (*romvec->pv_v2devops.v2_inst2pkg)(*romvec->pv_v2bootargs.fd_stdout); - __asm__ __volatile__("ld [%0], %%g6\n\t" : : - "r" (¤t_set[smp_processor_id()]) : - "memory"); - local_irq_restore(flags); - 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(prom_vers == PROM_V3) { - if(strncmp("serial", propb, sizeof("serial"))) - return PROMDEV_O_UNK; - prom_getproperty(prom_root_node, "stdout-path", propb, sizeof(propb)); - p = propb; - while(*p) p++; p -= 2; - if(p[0]==':') { - if(p[1] == 'a') - return PROMDEV_OTTYA; - else if(p[1] == 'b') - return PROMDEV_OTTYB; - } - return PROMDEV_O_UNK; - } else { - /* This works on SS-2 (an early OpenFirmware) still. */ - switch(*romvec->pv_stdin) { - case PROMDEV_TTYA: return PROMDEV_OTTYA; - case PROMDEV_TTYB: return PROMDEV_OTTYB; - }; - } - break; - }; - return PROMDEV_O_UNK; -} -#endif |