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Ignore whitespace Rev 1847 → Rev 1848

/trunk/kernel/arch/sparc64/include/drivers/z8530.h
36,33 → 36,94
#define KERN_sparc64_Z8530_H_
 
#include <arch/types.h>
#include <typedefs.h>
#include <arch/drivers/kbd.h>
 
#define STATUS_REG 4
#define COMMAND_REG 4
#define DATA_REG 6
#define Z8530_CHAN_A 4
#define Z8530_CHAN_B 0
 
#define LAST_REG DATA_REG
#define WR0 0
#define WR1 1
#define WR2 2
#define WR3 3
#define WR4 4
#define WR5 5
#define WR6 6
#define WR7 7
#define WR8 8
#define WR9 9
#define WR10 10
#define WR11 11
#define WR12 12
#define WR13 13
#define WR14 14
#define WR15 15
 
static inline void z8530_data_write(uint8_t data)
#define RR0 0
#define RR1 1
#define RR2 2
#define RR3 3
#define RR8 8
#define RR10 10
#define RR12 12
#define RR13 13
#define RR14 14
#define RR15 15
 
/* Write Register 1 */
#define WR1_RID (0x0<<3) /** Receive Interrupts Disabled. */
#define WR1_RIFCSC (0x1<<3) /** Receive Interrupt on First Character or Special Condition. */
#define WR1_IARCSC (0x2<<3) /** Interrupt on All Receive Characters or Special Conditions. */
#define WR1_RISC (0x3<<3) /** Receive Interrupt on Special Condition. */
#define WR1_PISC (0x1<<2) /** Parity Is Special Condition. */
 
/* Write Register 3 */
#define WR3_RX_ENABLE (0x1<<0) /** Rx Enable. */
#define WR3_RX8BITSCH (0x3<<6) /** 8-bits per character. */
 
/* Write Register 9 */
#define WR9_MIE (0x1<<3) /** Master Interrupt Enable. */
 
/* Read Register 0 */
#define RR0_RCA (0x1<<0) /** Receive Character Available. */
 
static inline void z8530_write(index_t chan, uint8_t reg, uint8_t val)
{
kbd_virt_address[DATA_REG] = data;
/*
* Registers 8-15 will automatically issue the Point High
* command as their bit 3 is 1.
*/
kbd_virt_address[WR0+chan] = reg; /* select register */
kbd_virt_address[WR0+chan] = val; /* write value */
}
 
static inline uint8_t z8530_data_read(void)
static inline void z8530_write_a(uint8_t reg, uint8_t val)
{
return kbd_virt_address[DATA_REG];
z8530_write(Z8530_CHAN_A, reg, val);
}
static inline void z8530_write_b(uint8_t reg, uint8_t val)
{
z8530_write(Z8530_CHAN_B, reg, val);
}
 
static inline uint8_t z8530_status_read(void)
static inline uint8_t z8530_read(index_t chan, uint8_t reg)
{
return kbd_virt_address[STATUS_REG];
/*
* Registers 8-15 will automatically issue the Point High
* command as their bit 3 is 1.
*/
kbd_virt_address[WR0+chan] = reg; /* select register */
return kbd_virt_address[WR0+chan];
}
 
static inline void z8530_command_write(uint8_t command)
static inline uint8_t z8530_read_a(uint8_t reg)
{
kbd_virt_address[COMMAND_REG] = command;
return z8530_read(Z8530_CHAN_A, reg);
}
static inline uint8_t z8530_read_b(uint8_t reg)
{
return z8530_read(Z8530_CHAN_B, reg);
}
 
#endif