| 37,18 → 37,89 |
|---|
| #ifndef KERN_Z8530_H_ |
| #define KERN_Z8530_H_ |
| |
| #include <console/chardev.h> |
| #include <ipc/irq.h> |
| #include <ddi/irq.h> |
| #include <arch/types.h> |
| |
| extern bool z8530_belongs_to_kernel; |
| #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 |
| |
| extern void z8530_init(devno_t, uintptr_t, inr_t, cir_t, void *); |
| extern void z8530_poll(void); |
| extern void z8530_grab(void); |
| extern void z8530_release(void); |
| extern void z8530_interrupt(void); |
| extern char z8530_key_read(chardev_t *); |
| #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 |
| |
| /** Reset pending TX interrupt. */ |
| #define WR0_TX_IP_RST (0x5 << 3) |
| #define WR0_ERR_RST (0x6 << 3) |
| |
| /** Receive Interrupts Disabled. */ |
| #define WR1_RID (0x0 << 3) |
| /** Receive Interrupt on First Character or Special Condition. */ |
| #define WR1_RIFCSC (0x1 << 3) |
| /** Interrupt on All Receive Characters or Special Conditions. */ |
| #define WR1_IARCSC (0x2 << 3) |
| /** Receive Interrupt on Special Condition. */ |
| #define WR1_RISC (0x3 << 3) |
| /** Parity Is Special Condition. */ |
| #define WR1_PISC (0x1 << 2) |
| |
| /** Rx Enable. */ |
| #define WR3_RX_ENABLE (0x1 << 0) |
| /** 8-bits per character. */ |
| #define WR3_RX8BITSCH (0x3 << 6) |
| |
| /** Master Interrupt Enable. */ |
| #define WR9_MIE (0x1 << 3) |
| |
| /** Receive Character Available. */ |
| #define RR0_RCA (0x1 << 0) |
| |
| /** z8530's registers. */ |
| struct z8530 { |
| union { |
| ioport8_t ctl_b; |
| ioport8_t status_b; |
| } __attribute__ ((packed)); |
| uint8_t pad1; |
| ioport8_t data_b; |
| uint8_t pad2; |
| union { |
| ioport8_t ctl_a; |
| ioport8_t status_a; |
| } __attribute__ ((packed)); |
| uint8_t pad3; |
| ioport8_t data_a; |
| } __attribute__ ((packed)); |
| typedef struct z8530 z8530_t; |
| |
| /** Structure representing the z8530 device. */ |
| typedef struct { |
| devno_t devno; |
| irq_t irq; |
| z8530_t *z8530; |
| } z8530_instance_t; |
| |
| extern bool z8530_init(z8530_t *, devno_t, inr_t, cir_t, void *); |
| extern irq_ownership_t z8530_claim(irq_t *); |
| extern void z8530_irq_handler(irq_t *); |
| |