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#include <genarch/kbd/ns16550.h>
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#include <genarch/kbd/ns16550.h>
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#include <genarch/kbd/key.h>
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#include <genarch/kbd/key.h>
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#include <genarch/kbd/scanc.h>
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#include <genarch/kbd/scanc.h>
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#include <genarch/kbd/scanc_sun.h>
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#include <genarch/kbd/scanc_sun.h>
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#ifndef ia64
 - 
 
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#include <arch/drivers/kbd.h>
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#include <arch/drivers/kbd.h>
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#ifndef ia64
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#include <arch/drivers/ns16550.h>
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#include <arch/drivers/ns16550.h>
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#endif
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#endif
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#include <ddi/irq.h>
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#include <ddi/irq.h>
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#include <ipc/irq.h>
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#include <ipc/irq.h>
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#include <cpu.h>
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#include <cpu.h>
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    interrupts_restore(ipl);
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    interrupts_restore(ipl);
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}
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}
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/** Initialize ns16550.
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/** Initialize ns16550.
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 *
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 *
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 * @param devno Device number.
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 * @param devno     Device number.
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 * @param port      Virtual/IO address of device's registers.
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 * @param inr Interrupt number.
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 * @param inr       Interrupt number.
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 * @param cir       Clear interrupt function.
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 * @param vaddr Virtual address of device's registers.
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 * @param cir_arg   First argument to cir.
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 */
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 */
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void
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void ns16550_init(devno_t devno, inr_t inr, ioport_t port)
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ns16550_init(devno_t devno, ioport_t port, inr_t inr, cir_t cir, void *cir_arg)
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{
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{
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    chardev_initialize("ns16550_kbd", &kbrd, &ops);
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    chardev_initialize("ns16550_kbd", &kbrd, &ops);
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    stdin = &kbrd;
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    stdin = &kbrd;
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    ns16550.devno = devno;
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    ns16550.devno = devno;
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    irq_initialize(&ns16550_irq);
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    irq_initialize(&ns16550_irq);
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    ns16550_irq.devno = devno;
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    ns16550_irq.devno = devno;
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    ns16550_irq.inr = inr;
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    ns16550_irq.inr = inr;
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    ns16550_irq.claim = ns16550_claim;
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    ns16550_irq.claim = ns16550_claim;
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    ns16550_irq.handler = ns16550_irq_handler;
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    ns16550_irq.handler = ns16550_irq_handler;
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    ns16550_irq.cir = cir;
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    ns16550_irq.cir_arg = cir_arg;
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    irq_register(&ns16550_irq);
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    irq_register(&ns16550_irq);
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    while ((ns16550_lsr_read(&ns16550) & LSR_DATA_READY))
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        ns16550_rbr_read(&ns16550);
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    sysinfo_set_item_val("kbd", NULL, true);
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    sysinfo_set_item_val("kbd", NULL, true);
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#ifndef ia64
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    sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);
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    sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550);
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#endif
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    sysinfo_set_item_val("kbd.devno", NULL, devno);
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    sysinfo_set_item_val("kbd.devno", NULL, devno);
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    sysinfo_set_item_val("kbd.inr", NULL, inr);
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    sysinfo_set_item_val("kbd.inr", NULL, inr);
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    sysinfo_set_item_val("kbd.address.virtual", NULL, port);
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    sysinfo_set_item_val("kbd.address.virtual", NULL, port);
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    sysinfo_set_item_val("kbd.port", NULL, port);
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#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
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    /* Enable interrupts */
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        ns16550_ier_write(&ns16550, IER_ERBFI);
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    ns16550_mcr_write(&ns16550, MCR_OUT2);
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#endif
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#ifdef ia64
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#ifdef ia64
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        uint8_t c;
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        uint8_t c;
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        // This switches rbr & ier to mode when accept baudrate constant
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        c = ns16550_lcr_read(&ns16550);
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        c = ns16550_lcr_read(&ns16550);
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        ns16550_lcr_write(&ns16550, 0x80 | c);
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        ns16550_lcr_write(&ns16550, 0x80 | c);
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        ns16550_rbr_write(&ns16550, 0x0c);
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        ns16550_rbr_write(&ns16550, 0x0c);
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        ns16550_ier_write(&ns16550, 0x00);
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        ns16550_ier_write(&ns16550, 0x00);
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        ns16550_lcr_write(&ns16550, c);
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        ns16550_lcr_write(&ns16550, c);
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}
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}
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/** Process ns16550 interrupt. */
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/** Process ns16550 interrupt. */
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void ns16550_interrupt(void)
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void ns16550_interrupt(void)
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{
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{
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    /* TODO
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     *
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     * ns16550 works in the polled mode so far.
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    ns16550_poll();
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     */
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}
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}
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/* Called from getc(). */
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/* Called from getc(). */
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void ns16550_resume(chardev_t *d)
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void ns16550_resume(chardev_t *d)
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{
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{
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 *
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 *
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 * This function can be used to implement keyboard polling.
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 * This function can be used to implement keyboard polling.
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 */
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 */
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void ns16550_poll(void)
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void ns16550_poll(void)
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{
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{
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#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
204 
    ipl_t ipl;
 218 
    ipl_t ipl;
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206 
    ipl = interrupts_disable();
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    ipl = interrupts_disable();
207 
    spinlock_lock(&ns16550_irq.lock);
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    spinlock_lock(&ns16550_irq.lock);
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        }
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        }
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    }
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    }
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    spinlock_unlock(&ns16550_irq.lock);
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    spinlock_unlock(&ns16550_irq.lock);
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    interrupts_restore(ipl);
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    interrupts_restore(ipl);
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 237 
#endif
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    while (ns16550_lsr_read(&ns16550) & LSR_DATA_READY) {
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    while (ns16550_lsr_read(&ns16550) & LSR_DATA_READY) {
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        uint8_t x;
 240 
        uint8_t x;
226 
       
 241 
       
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        x = ns16550_rbr_read(&ns16550);
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        x = ns16550_rbr_read(&ns16550);
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    return (ns16550_lsr_read(&ns16550) & LSR_DATA_READY);
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    return (ns16550_lsr_read(&ns16550) & LSR_DATA_READY);
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}
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}
251 
 
 266 
 
252 
void ns16550_irq_handler(irq_t *irq, void *arg, ...)
 267 
void ns16550_irq_handler(irq_t *irq, void *arg, ...)
253 
{
 268 
{
254 
    panic("Not yet implemented, ns16550 works in polled mode.\n");
 269 
    if (irq->notif_cfg.notify && irq->notif_cfg.answerbox)
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 270 
        ipc_irq_send_notif(irq);
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    else
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 272 
        ns16550_interrupt();
255 
}
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}
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/** @}
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/** @}
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 */
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 */