via-macii.c File Reference

#include <stdarg.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/adb.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/mac_via.h>

Go to the source code of this file.

Macros
#define	RS   0x200 /* skip between registers */
#define	B   0 /* B-side data */
#define	A   RS /* A-side data */
#define	DIRB   (2*RS) /* B-side direction (1=output) */
#define	DIRA   (3*RS) /* A-side direction (1=output) */
#define	T1CL   (4*RS) /* Timer 1 ctr/latch (low 8 bits) */
#define	T1CH   (5*RS) /* Timer 1 counter (high 8 bits) */
#define	T1LL   (6*RS) /* Timer 1 latch (low 8 bits) */
#define	T1LH   (7*RS) /* Timer 1 latch (high 8 bits) */
#define	T2CL   (8*RS) /* Timer 2 ctr/latch (low 8 bits) */
#define	T2CH   (9*RS) /* Timer 2 counter (high 8 bits) */
#define	SR   (10*RS) /* Shift register */
#define	ACR   (11*RS) /* Auxiliary control register */
#define	PCR   (12*RS) /* Peripheral control register */
#define	IFR   (13*RS) /* Interrupt flag register */
#define	IER   (14*RS) /* Interrupt enable register */
#define	ANH   (15*RS) /* A-side data, no handshake */
#define	CTLR_IRQ   0x08 /* Controller rcv status (input) */
#define	ST_MASK   0x30 /* mask for selecting ADB state bits */
#define	SR_CTRL   0x1c /* Shift register control bits */
#define	SR_EXT   0x0c /* Shift on external clock */
#define	SR_OUT   0x10 /* Shift out if 1 */
#define	IER_SET   0x80 /* set bits in IER */
#define	IER_CLR   0 /* clear bits in IER */
#define	SR_INT   0x04 /* Shift register full/empty */
#define	ST_CMD   0x00 /* ADB state: command byte */
#define	ST_EVEN   0x10 /* ADB state: even data byte */
#define	ST_ODD   0x20 /* ADB state: odd data byte */
#define	ST_IDLE   0x30 /* ADB state: idle, nothing to send */

Enumerations
enum	macii_state { idle, sending, reading, read_done }

Variables
struct adb_driver	via_macii_driver

Macro Definition Documentation

#define A   RS /* A-side data */

Definition at line 43 of file via-macii.c.

#define ACR   (11*RS) /* Auxiliary control register */

Definition at line 53 of file via-macii.c.

#define ANH   (15*RS) /* A-side data, no handshake */

Definition at line 57 of file via-macii.c.

#define B   0 /* B-side data */

Definition at line 42 of file via-macii.c.

#define CTLR_IRQ   0x08 /* Controller rcv status (input) */

Definition at line 60 of file via-macii.c.

#define DIRA   (3*RS) /* A-side direction (1=output) */

Definition at line 45 of file via-macii.c.

#define DIRB   (2*RS) /* B-side direction (1=output) */

Definition at line 44 of file via-macii.c.

#define IER   (14*RS) /* Interrupt enable register */

Definition at line 56 of file via-macii.c.

#define IER_CLR   0 /* clear bits in IER */

Definition at line 70 of file via-macii.c.

#define IER_SET   0x80 /* set bits in IER */

Definition at line 69 of file via-macii.c.

#define IFR   (13*RS) /* Interrupt flag register */

Definition at line 55 of file via-macii.c.

#define PCR   (12*RS) /* Peripheral control register */

Definition at line 54 of file via-macii.c.

#define RS   0x200 /* skip between registers */

Definition at line 41 of file via-macii.c.

#define SR   (10*RS) /* Shift register */

Definition at line 52 of file via-macii.c.

#define SR_CTRL   0x1c /* Shift register control bits */

Definition at line 64 of file via-macii.c.

#define SR_EXT   0x0c /* Shift on external clock */

Definition at line 65 of file via-macii.c.

#define SR_INT   0x04 /* Shift register full/empty */

Definition at line 71 of file via-macii.c.

#define SR_OUT   0x10 /* Shift out if 1 */

Definition at line 66 of file via-macii.c.

#define ST_CMD   0x00 /* ADB state: command byte */

Definition at line 74 of file via-macii.c.

#define ST_EVEN   0x10 /* ADB state: even data byte */

Definition at line 75 of file via-macii.c.

#define ST_IDLE   0x30 /* ADB state: idle, nothing to send */

Definition at line 77 of file via-macii.c.

#define ST_MASK   0x30 /* mask for selecting ADB state bits */

Definition at line 61 of file via-macii.c.

#define ST_ODD   0x20 /* ADB state: odd data byte */

Definition at line 76 of file via-macii.c.

#define T1CH   (5*RS) /* Timer 1 counter (high 8 bits) */

Definition at line 47 of file via-macii.c.

#define T1CL   (4*RS) /* Timer 1 ctr/latch (low 8 bits) */

Definition at line 46 of file via-macii.c.

#define T1LH   (7*RS) /* Timer 1 latch (high 8 bits) */

Definition at line 49 of file via-macii.c.

#define T1LL   (6*RS) /* Timer 1 latch (low 8 bits) */

Definition at line 48 of file via-macii.c.

#define T2CH   (9*RS) /* Timer 2 counter (high 8 bits) */

Definition at line 51 of file via-macii.c.

#define T2CL   (8*RS) /* Timer 2 ctr/latch (low 8 bits) */

Definition at line 50 of file via-macii.c.

Enumeration Type Documentation

enum macii_state

Enumerator:

idle
sending
reading
read_done

Definition at line 102 of file via-macii.c.

Variable Documentation

struct adb_driver via_macii_driver

Initial value:

= {
    "Mac II",
    macii_probe,
    macii_init,
    macii_send_request,
    macii_autopoll,
    macii_poll,
    macii_reset_bus
}

Definition at line 92 of file via-macii.c.