/branches/dynload/kernel/genarch/include/kbd/ns16550.h |
---|
48,7 → 48,75 |
extern irq_ownership_t ns16550_claim(void); |
extern void ns16550_irq_handler(irq_t *irq, void *arg, ...); |
#include <arch/types.h> |
#ifndef ia64 |
#include <arch/drivers/kbd.h> |
#endif |
/* NS16550 registers */ |
#define RBR_REG 0 /** Receiver Buffer Register. */ |
#define IER_REG 1 /** Interrupt Enable Register. */ |
#define IIR_REG 2 /** Interrupt Ident Register (read). */ |
#define FCR_REG 2 /** FIFO control register (write). */ |
#define LCR_REG 3 /** Line Control register. */ |
#define LSR_REG 5 /** Line Status Register. */ |
#define IER_ERBFI 0x01 /** Enable Receive Buffer Full Interrupt. */ |
#define LCR_DLAB 0x80 /** Divisor Latch Access bit. */ |
/** Structure representing the ns16550 device. */ |
typedef struct { |
devno_t devno; |
volatile ioport_t io_port; /** Memory mapped registers of the ns16550. */ |
} ns16550_t; |
static inline uint8_t ns16550_rbr_read(ns16550_t *dev) |
{ |
return inb(dev->io_port+RBR_REG); |
} |
static inline void ns16550_rbr_write(ns16550_t *dev, uint8_t v) |
{ |
outb(dev->io_port+RBR_REG,v); |
} |
static inline uint8_t ns16550_ier_read(ns16550_t *dev) |
{ |
return inb(dev->io_port+IER_REG); |
} |
static inline void ns16550_ier_write(ns16550_t *dev, uint8_t v) |
{ |
outb(dev->io_port+IER_REG,v); |
} |
static inline uint8_t ns16550_iir_read(ns16550_t *dev) |
{ |
return inb(dev->io_port+IIR_REG); |
} |
static inline void ns16550_fcr_write(ns16550_t *dev, uint8_t v) |
{ |
outb(dev->io_port+FCR_REG,v); |
} |
static inline uint8_t ns16550_lcr_read(ns16550_t *dev) |
{ |
return inb(dev->io_port+LCR_REG); |
} |
static inline void ns16550_lcr_write(ns16550_t *dev, uint8_t v) |
{ |
outb(dev->io_port+LCR_REG,v); |
} |
static inline uint8_t ns16550_lsr_read(ns16550_t *dev) |
{ |
return inb(dev->io_port+LSR_REG); |
} |
#endif |
/** @} |
*/ |
/branches/dynload/kernel/genarch/src/kbd/ns16550.c |
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38,8 → 38,10 |
#include <genarch/kbd/key.h> |
#include <genarch/kbd/scanc.h> |
#include <genarch/kbd/scanc_sun.h> |
#ifndef ia64 |
#include <arch/drivers/kbd.h> |
#include <arch/drivers/ns16550.h> |
#endif |
#include <ddi/irq.h> |
#include <ipc/irq.h> |
#include <cpu.h> |
109,13 → 111,13 |
* @param inr Interrupt number. |
* @param vaddr Virtual address of device's registers. |
*/ |
void ns16550_init(devno_t devno, inr_t inr, uintptr_t vaddr) |
void ns16550_init(devno_t devno, inr_t inr, ioport_t port) |
{ |
chardev_initialize("ns16550_kbd", &kbrd, &ops); |
stdin = &kbrd; |
ns16550.devno = devno; |
ns16550.reg = (uint8_t *) vaddr; |
ns16550.io_port = port; |
irq_initialize(&ns16550_irq); |
ns16550_irq.devno = devno; |
125,10 → 127,21 |
irq_register(&ns16550_irq); |
sysinfo_set_item_val("kbd", NULL, true); |
#ifndef ia64 |
sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
#endif |
sysinfo_set_item_val("kbd.devno", NULL, devno); |
sysinfo_set_item_val("kbd.inr", NULL, inr); |
sysinfo_set_item_val("kbd.address.virtual", NULL, vaddr); |
sysinfo_set_item_val("kbd.address.virtual", NULL, port); |
#ifdef ia64 |
uint8_t c; |
c = ns16550_lcr_read(&ns16550); |
ns16550_lcr_write(&ns16550, 0x80 | c); |
ns16550_rbr_write(&ns16550, 0x0c); |
ns16550_ier_write(&ns16550, 0x00); |
ns16550_lcr_write(&ns16550, c); |
#endif |
ns16550_grab(); |
} |
152,6 → 165,7 |
{ |
} |
char ns16550_key_read(chardev_t *d) |
{ |
char ch; |
161,6 → 175,7 |
while (!(ns16550_lsr_read(&ns16550) & LSR_DATA_READY)) |
; |
x = ns16550_rbr_read(&ns16550); |
#ifndef ia64 |
if (x != IGNORE_CODE) { |
if (x & KEY_RELEASE) |
key_released(x ^ KEY_RELEASE); |
167,6 → 182,15 |
else |
active_read_key_pressed(x); |
} |
#else |
extern chardev_t kbrd; |
if(x != 0x0d) { |
if(x == 0x7f) |
x = '\b'; |
chardev_push_character(&kbrd, x); |
} |
#endif |
} |
return ch; |
} |
201,6 → 225,7 |
uint8_t x; |
x = ns16550_rbr_read(&ns16550); |
#ifndef ia64 |
if (x != IGNORE_CODE) { |
if (x & KEY_RELEASE) |
key_released(x ^ KEY_RELEASE); |
207,6 → 232,15 |
else |
key_pressed(x); |
} |
#else |
extern chardev_t kbrd; |
if(x != 0x0d) { |
if (x == 0x7f) |
x = '\b'; |
chardev_push_character(&kbrd, x); |
} |
#endif |
} |
} |
/branches/dynload/kernel/genarch/src/kbd/key.c |
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39,9 → 39,13 |
#ifdef CONFIG_I8042 |
#include <genarch/kbd/scanc_pc.h> |
#endif |
#if (defined(sparc64)) |
#if (defined(CONFIG_Z8530) || defined(CONFIG_NS16550)) |
#include <genarch/kbd/scanc_sun.h> |
#endif |
#endif |
#include <synch/spinlock.h> |
#include <console/chardev.h> |
#include <macros.h> |