[people/ms/u-boot.git] / include / pc_keyb.h

/*
 *	include/linux/pc_keyb.h
 *
 *	PC Keyboard And Keyboard Controller
 *
 *	(c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
 */

/*
 *	Configuration Switches
 */
#undef KBD_REPORT_ERR			/* Report keyboard errors */
#define KBD_REPORT_UNKN			/* Report unknown scan codes */
#define KBD_REPORT_TIMEOUTS		/* Report keyboard timeouts */
#undef KBD_IS_FOCUS_9000		/* We have the brain-damaged FOCUS-9000 keyboard */
#undef INITIALIZE_MOUSE			/* Define if your PS/2 mouse needs initialization. */

#define KBD_INIT_TIMEOUT 1000		/* Timeout in ms for initializing the keyboard */
#define KBC_TIMEOUT 250			/* Timeout in ms for sending to keyboard controller */
#define KBD_TIMEOUT 1000		/* Timeout in ms for keyboard command acknowledge */

/*
 *	Internal variables of the driver
 */
extern unsigned char pckbd_read_mask;
extern unsigned char aux_device_present;

/*
 *	Keyboard Controller Registers on normal PCs.
 */
#define KBD_STATUS_REG		0x64	/* Status register (R) */
#define KBD_CNTL_REG		0x64	/* Controller command register (W) */
#define KBD_DATA_REG		0x60	/* Keyboard data register (R/W) */

/*
 *	Keyboard Controller Commands
 */
#define KBD_CCMD_READ_MODE	0x20	/* Read mode bits */
#define KBD_CCMD_WRITE_MODE	0x60	/* Write mode bits */
#define KBD_CCMD_GET_VERSION	0xA1	/* Get controller version */
#define KBD_CCMD_MOUSE_DISABLE	0xA7	/* Disable mouse interface */
#define KBD_CCMD_MOUSE_ENABLE	0xA8	/* Enable mouse interface */
#define KBD_CCMD_TEST_MOUSE	0xA9	/* Mouse interface test */
#define KBD_CCMD_SELF_TEST	0xAA	/* Controller self test */
#define KBD_CCMD_KBD_TEST	0xAB	/* Keyboard interface test */
#define KBD_CCMD_KBD_DISABLE	0xAD	/* Keyboard interface disable */
#define KBD_CCMD_KBD_ENABLE	0xAE	/* Keyboard interface enable */
#define KBD_CCMD_WRITE_AUX_OBUF	0xD3    /* Write to output buffer as if
					   initiated by the auxiliary device */
#define KBD_CCMD_WRITE_MOUSE	0xD4	/* Write the following byte to the mouse */

/*
 *	Keyboard Commands
 */
#define KBD_CMD_SET_LEDS	0xED	/* Set keyboard leds */
#define KBD_CMD_SET_RATE	0xF3	/* Set typematic rate */
#define KBD_CMD_ENABLE		0xF4	/* Enable scanning */
#define KBD_CMD_DISABLE		0xF5	/* Disable scanning */
#define KBD_CMD_RESET		0xFF	/* Reset */

/*
 *	Keyboard Replies
 */
#define KBD_REPLY_POR		0xAA	/* Power on reset */
#define KBD_REPLY_ACK		0xFA	/* Command ACK */
#define KBD_REPLY_RESEND	0xFE	/* Command NACK, send the cmd again */

/*
 *	Status Register Bits
 */
#define KBD_STAT_OBF		0x01	/* Keyboard output buffer full */
#define KBD_STAT_IBF		0x02	/* Keyboard input buffer full */
#define KBD_STAT_SELFTEST	0x04	/* Self test successful */
#define KBD_STAT_CMD		0x08	/* Last write was a command write (0=data) */
#define KBD_STAT_UNLOCKED	0x10	/* Zero if keyboard locked */
#define KBD_STAT_MOUSE_OBF	0x20	/* Mouse output buffer full */
#define KBD_STAT_GTO		0x40	/* General receive/xmit timeout */
#define KBD_STAT_PERR		0x80	/* Parity error */

#define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)

/*
 *	Controller Mode Register Bits
 */
#define KBD_MODE_KBD_INT	0x01	/* Keyboard data generate IRQ1 */
#define KBD_MODE_MOUSE_INT	0x02	/* Mouse data generate IRQ12 */
#define KBD_MODE_SYS		0x04	/* The system flag (?) */
#define KBD_MODE_NO_KEYLOCK	0x08	/* The keylock doesn't affect the keyboard if set */
#define KBD_MODE_DISABLE_KBD	0x10	/* Disable keyboard interface */
#define KBD_MODE_DISABLE_MOUSE	0x20	/* Disable mouse interface */
#define KBD_MODE_KCC		0x40	/* Scan code conversion to PC format */
#define KBD_MODE_RFU		0x80

/*
 *	Mouse Commands
 */
#define AUX_SET_RES		0xE8	/* Set resolution */
#define AUX_SET_SCALE11		0xE6	/* Set 1:1 scaling */
#define AUX_SET_SCALE21		0xE7	/* Set 2:1 scaling */
#define AUX_GET_SCALE		0xE9	/* Get scaling factor */
#define AUX_SET_STREAM		0xEA	/* Set stream mode */
#define AUX_SET_SAMPLE		0xF3	/* Set sample rate */
#define AUX_ENABLE_DEV		0xF4	/* Enable aux device */
#define AUX_DISABLE_DEV		0xF5	/* Disable aux device */
#define AUX_RESET		0xFF	/* Reset aux device */
#define AUX_ACK			0xFA	/* Command byte ACK. */

#define AUX_BUF_SIZE		2048	/* This might be better divisible by
					   three to make overruns stay in sync
					   but then the read function would need
					   a lock etc - ick */

#if 0
struct aux_queue {
	unsigned long head;
	unsigned long tail;
	wait_queue_head_t proc_list;
	struct fasync_struct *fasync;
	unsigned char buf[AUX_BUF_SIZE];
};
#endif
Commit	Line	Data
1c43771b WD	1	/*
	2	* include/linux/pc_keyb.h
	3	*
	4	* PC Keyboard And Keyboard Controller
	5	*
	6	* (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
	7	*/
	8
	9	/*
	10	* Configuration Switches
	11	*/
	12	#undef KBD_REPORT_ERR /* Report keyboard errors */
	13	#define KBD_REPORT_UNKN /* Report unknown scan codes */
	14	#define KBD_REPORT_TIMEOUTS /* Report keyboard timeouts */
	15	#undef KBD_IS_FOCUS_9000 /* We have the brain-damaged FOCUS-9000 keyboard */
	16	#undef INITIALIZE_MOUSE /* Define if your PS/2 mouse needs initialization. */
	17
	18	#define KBD_INIT_TIMEOUT 1000 /* Timeout in ms for initializing the keyboard */
	19	#define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
	20	#define KBD_TIMEOUT 1000 /* Timeout in ms for keyboard command acknowledge */
	21
	22	/*
	23	* Internal variables of the driver
	24	*/
	25	extern unsigned char pckbd_read_mask;
	26	extern unsigned char aux_device_present;
	27
	28	/*
	29	* Keyboard Controller Registers on normal PCs.
	30	*/
	31	#define KBD_STATUS_REG 0x64 /* Status register (R) */
	32	#define KBD_CNTL_REG 0x64 /* Controller command register (W) */
	33	#define KBD_DATA_REG 0x60 /* Keyboard data register (R/W) */
	34
	35	/*
	36	* Keyboard Controller Commands
	37	*/
	38	#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
	39	#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
	40	#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
	41	#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */
	42	#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
	43	#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
	44	#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
	45	#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
	46	#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
	47	#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
	48	#define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
	49	initiated by the auxiliary device */
	50	#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
	51
	52	/*
	53	* Keyboard Commands
	54	*/
	55	#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
	56	#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
	57	#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
	58	#define KBD_CMD_DISABLE 0xF5 /* Disable scanning */
	59	#define KBD_CMD_RESET 0xFF /* Reset */
	60
	61	/*
	62	* Keyboard Replies
	63	*/
	64	#define KBD_REPLY_POR 0xAA /* Power on reset */
65	#define KBD_REPLY_ACK 0xFA /* Command ACK */
66	#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
67
68	/*
69	* Status Register Bits
70	*/
53677ef1 WD	71	#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
53677ef1 WD	72	#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
1c43771b WD	73	#define KBD_STAT_SELFTEST 0x04 /* Self test successful */
	74	#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
	75	#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
	76	#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
53677ef1 WD	77	#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
53677ef1 WD	78	#define KBD_STAT_PERR 0x80 /* Parity error */
1c43771b WD	79
	80	#define AUX_STAT_OBF (KBD_STAT_OBF \| KBD_STAT_MOUSE_OBF)
	81
	82	/*
	83	* Controller Mode Register Bits
	84	*/
	85	#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */
	86	#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
53677ef1	87	#define KBD_MODE_SYS 0x04 /* The system flag (?) */
1c43771b WD	88	#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
	89	#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
	90	#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */
53677ef1	91	#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
1c43771b WD	92	#define KBD_MODE_RFU 0x80
	93
	94	/*
	95	* Mouse Commands
	96	*/
	97	#define AUX_SET_RES 0xE8 /* Set resolution */
	98	#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
	99	#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
	100	#define AUX_GET_SCALE 0xE9 /* Get scaling factor */
	101	#define AUX_SET_STREAM 0xEA /* Set stream mode */
	102	#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
	103	#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
	104	#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
	105	#define AUX_RESET 0xFF /* Reset aux device */
	106	#define AUX_ACK 0xFA /* Command byte ACK. */
	107
	108	#define AUX_BUF_SIZE 2048 /* This might be better divisible by
	109	three to make overruns stay in sync
	110	but then the read function would need
	111	a lock etc - ick */
	112
	113	#if 0
	114	struct aux_queue {
	115	unsigned long head;
	116	unsigned long tail;
	117	wait_queue_head_t proc_list;
	118	struct fasync_struct *fasync;
	119	unsigned char buf[AUX_BUF_SIZE];
	120	};
	121	#endif