Subversion Repositories HelenOS

Rev

Rev 3960 | Rev 4094 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3960 Rev 4042
Line 29... Line 29...
29 
/** @addtogroup genarch
 29 
/** @addtogroup genarch
30 
 * @{
 30 
 * @{
31 
 */
 31 
 */
32 
/**
 32 
/**
33 
 * @file
 33 
 * @file
34 
 * @brief   Headers for NS 16550 serial port / keyboard driver.
 34 
 * @brief   Headers for NS 16550 serial controller.
35 
 */
 35 
 */
36 
 
 36 
 
37 
#ifndef KERN_NS16550_H_
 37 
#ifndef KERN_NS16550_H_
38 
#define KERN_NS16550_H_
 38 
#define KERN_NS16550_H_
39 
 
 39 
 
40 
#include <ddi/irq.h>
 40 
#include <ddi/irq.h>
41 
#include <arch/types.h>
 41 
#include <arch/types.h>
42 
#include <arch/drivers/kbd.h>
 42 
#include <console/chardev.h>
43 
 
 43 
 
44 
#define IER_ERBFI   0x01    /** Enable Receive Buffer Full Interrupt. */
 44 
#define IER_ERBFI   0x01    /** Enable Receive Buffer Full Interrupt. */
45 
 
 45 
 
46 
#define LCR_DLAB    0x80    /** Divisor Latch Access bit. */
 46 
#define LCR_DLAB    0x80    /** Divisor Latch Access bit. */
47 
 
 47 
 
Line 64... Line 64...
64 
/** Structure representing the ns16550 device. */
 64 
/** Structure representing the ns16550 device. */
65 
typedef struct ns16550_instance {
 65 
typedef struct ns16550_instance {
66 
    devno_t devno;
 66 
    devno_t devno;
67 
    ns16550_t *ns16550;
 67 
    ns16550_t *ns16550;
68 
    irq_t irq;
 68 
    irq_t irq;
- 
 
 69 
    chardev_t *devout;
69 
} ns16550_instance_t;
 70 
} ns16550_instance_t;
70 
 
 71 
 
71 
extern bool ns16550_init(ns16550_t *, devno_t, inr_t, cir_t, void *);
 72 
extern bool ns16550_init(ns16550_t *, devno_t, inr_t, cir_t, void *,
- 
 
 73 
    chardev_t *);
72 
extern irq_ownership_t ns16550_claim(irq_t *);
 74 
extern irq_ownership_t ns16550_claim(irq_t *);
73 
extern void ns16550_irq_handler(irq_t *);
 75 
extern void ns16550_irq_handler(irq_t *);
74 
 
 76 
 
75 
#endif
 77 
#endif
76 
 
 78