Subversion Repositories HelenOS

Rev

Rev 1849 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1849 Rev 1911
Line 36... Line 36...
36 
#define KERN_sparc64_NS16550_H_
 36 
#define KERN_sparc64_NS16550_H_
37 
 
 37 
 
38 
#include <arch/types.h>
 38 
#include <arch/types.h>
39 
#include <arch/drivers/kbd.h>
 39 
#include <arch/drivers/kbd.h>
40 
 
 40 
 
- 
 
 41 
/* NS16550 registers */
41 
#define RBR_REG     0   /** Receiver Buffer Register. */
 42 
#define RBR_REG     0   /** Receiver Buffer Register. */
42 
#define IER_REG     1   /** Interrupt Enable Register. */
 43 
#define IER_REG     1   /** Interrupt Enable Register. */
- 
 
 44 
#define IIR_REG     2   /** Interrupt Ident Register (read). */
- 
 
 45 
#define FCR_REG     2   /** FIFO control register (write). */
- 
 
 46 
#define LCR_REG     3   /** Line Control register. */
43 
#define LSR_REG     5   /** Line Status Register. */
 47 
#define LSR_REG     5   /** Line Status Register. */
44 
 
 48 
 
- 
 
 49 
#define IER_ERBFI   0x01    /** Enable Receive Buffer Full Interrupt. */
- 
 
 50 
 
- 
 
 51 
#define LCR_DLAB    0x80    /** Divisor Latch Access bit. */
- 
 
 52 
 
45 
static inline uint8_t ns16550_rbr_read(void)
 53 
static inline uint8_t ns16550_rbr_read(void)
46 
{
 54 
{
47 
    return kbd_virt_address[RBR_REG];
 55 
    return kbd_virt_address[RBR_REG];
48 
}
 56 
}
49 
 
 57 
 
Line 55... Line 63...
55 
static inline void ns16550_ier_write(uint8_t v)
 63 
static inline void ns16550_ier_write(uint8_t v)
56 
{
 64 
{
57 
    kbd_virt_address[IER_REG] = v;
 65 
    kbd_virt_address[IER_REG] = v;
58 
}
 66 
}
59 
 
 67 
 
- 
 
 68 
static inline uint8_t ns16550_iir_read(void)
- 
 
 69 
{
- 
 
 70 
    return kbd_virt_address[IIR_REG];
- 
 
 71 
}
- 
 
 72 
 
- 
 
 73 
static inline void ns16550_fcr_write(uint8_t v)
- 
 
 74 
{
- 
 
 75 
    kbd_virt_address[FCR_REG] = v;
- 
 
 76 
}
- 
 
 77 
 
- 
 
 78 
static inline uint8_t ns16550_lcr_read(void)
- 
 
 79 
{
- 
 
 80 
    return kbd_virt_address[LCR_REG];
- 
 
 81 
}
- 
 
 82 
 
- 
 
 83 
static inline void ns16550_lcr_write(uint8_t v)
- 
 
 84 
{
- 
 
 85 
    kbd_virt_address[LCR_REG] = v;
- 
 
 86 
}
- 
 
 87 
 
60 
static inline uint8_t ns16550_lsr_read(void)
 88 
static inline uint8_t ns16550_lsr_read(void)
61 
{
 89 
{
62 
    return kbd_virt_address[LSR_REG];
 90 
    return kbd_virt_address[LSR_REG];
63 
}
 91 
}
64 
 
 92