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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/sparc64/src/drivers/kbd.c @ 1895

  → /trunk/kernel/arch/sparc64/src/drivers/kbd.c @ 1896

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 1895 → Rev 1896

/trunk/kernel/arch/sparc64/src/drivers/kbd.c
33,6 → 33,7
*/
#include <arch/drivers/kbd.h>
#include <genarch/ofw/ofw_tree.h>
#ifdef CONFIG_Z8530
#include <genarch/kbd/z8530.h>
#endif
40,38 → 41,93
#include <genarch/kbd/ns16550.h>
#endif
#include <arch/boot/boot.h>
#include <arch/mm/page.h>
#include <arch/types.h>
#include <typedefs.h>
#include <align.h>
#include <func.h>
#include <print.h>
volatile uint8_t *kbd_virt_address = NULL;
void kbd_init()
kbd_type_t kbd_type = KBD_UNKNOWN;
/** Initialize keyboard.
*
* Traverse OpenFirmware device tree in order to find necessary
* info about the keyboard device.
*
* @param node Keyboard device node.
*/
void kbd_init(ofw_tree_node_t *node)
{
size_t offset;
uintptr_t aligned_addr;
/* FIXME: supply value read from OpenFirmware */
bootinfo.keyboard.size = 8;
ofw_tree_property_t *prop;
const char *name;
name = ofw_tree_node_name(node);
if (strcmp(name, "zs") == 0)
kbd_type = KBD_Z8530;
else if (strcmp(name, "su") == 0)
kbd_type = KBD_NS16550;
if (kbd_type == KBD_UNKNOWN) {
printf("Unknown keyboard device.\n");
return;
}
prop = ofw_tree_getprop(node, "reg");
if (!prop)
panic("Can't find \"reg\" property.\n");
uintptr_t pa;
size_t size;
switch (kbd_type) {
case KBD_Z8530:
size = ((ofw_fhc_reg_t *) prop->value)->size;
if (!ofw_fhc_apply_ranges(node->parent, ((ofw_fhc_reg_t *) prop->value) , &pa)) {
printf("Failed to determine keyboard address.\n");
return;
}
break;
case KBD_NS16550:
size = ((ofw_ebus_reg_t *) prop->value)->size;
if (!ofw_ebus_apply_ranges(node->parent, ((ofw_ebus_reg_t *) prop->value) , &pa)) {
printf("Failed to determine keyboard address.\n");
return;
}
break;
default:
panic("Unexpected type.\n");
}
/*
* We need to pass aligned address to hw_map().
* However, the physical keyboard address can
* be pretty much unaligned on some systems
* (e.g. Ultra 5, Ultra 60).
* be pretty much unaligned, depending on the
* underlying controller.
*/
aligned_addr = ALIGN_DOWN(bootinfo.keyboard.addr, PAGE_SIZE);
offset = bootinfo.keyboard.addr - aligned_addr;
kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + bootinfo.keyboard.size) + offset;
aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
offset = pa - aligned_addr;
kbd_virt_address = (uint8_t *) hw_map(aligned_addr, offset + size) + offset;
switch (kbd_type) {
#ifdef CONFIG_Z8530
z8530_init();
case KBD_Z8530:
z8530_init();
break;
#endif
#ifdef CONFIG_NS16550
ns16550_init();
case KBD_NS16550:
ns16550_init();
break;
#endif
default:
printf("Kernel is not compiled with the necessary keyboard driver this machine requires.\n");
}
}
/** @}