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ucb1200var.h revision 1.1 
      1 /*	$NetBSD: ucb1200var.h,v 1.1 2000/01/08 21:07:04 uch Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2000, by UCHIYAMA Yasushi
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. The name of the developer may NOT be used to endorse or promote products
     13  *    derived from this software without specific prior written permission.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  *
     27  */
     28 
     29 enum ucbts_stat {
     30 	UCBTS_STAT_DISABLE,
     31 	UCBTS_STAT_RELEASE,
     32 	UCBTS_STAT_TOUCH,
     33 	UCBTS_STAT_DRAG,
     34 };
     35 
     36 #define UCBTS_POSX	1
     37 #define UCBTS_POSY	2
     38 #define UCBTS_PRESS	3
     39 
     40 #define UCBTS_PRESS_THRESHOLD	100
     41 #define UCBTS_TAP_THRESHOLD	5
     42 
     43 enum ucbadc_state {
     44 /* 0 */	UCBADC_IDLE,
     45 /* 1 */	UCBADC_ADC_INIT,
     46 /* 2 */	UCBADC_ADC_FINI,
     47 /* 3 */	UCBADC_MEASUMENT_INIT,
     48 /* 4 */	UCBADC_MEASUMENT_FINI,
     49 /* 5 */	UCBADC_ADC_ENABLE,
     50 /* 6 */	UCBADC_ADC_START0,
     51 /* 7 */	UCBADC_ADC_START1,
     52 /* 8 */	UCBADC_ADC_DATAREAD,
     53 /* 9 */	UCBADC_ADC_DATAREAD_WAIT,
     54 /*10 */	UCBADC_ADC_DISABLE,
     55 /*11 */	UCBADC_ADC_INTRMODE,
     56 /*12 */	UCBADC_ADC_INPUT,
     57 /*13 */	UCBADC_INTR_ACK0,
     58 /*14 */	UCBADC_INTR_ACK1,
     59 /*15 */	UCBADC_INTR_ACK2,
     60 /*16 */	UCBADC_REGREAD,
     61 /*17 */	UCBADC_REGWRITE
     62 };
     63 
     64 struct ucb1200_softc {
     65 	struct device		sc_dev;
     66 	struct device		*sc_parent; /* parent (TX39 SIB module) */
     67 	tx_chipset_tag_t	sc_tc;
     68 
     69 	enum ucbts_stat sc_stat;
     70 	int sc_polling;
     71 	int sc_polling_finish;
     72 	void *sc_pollh;
     73 
     74 	/* correction parameters */
     75 	int sc_prmax, sc_prmbx, sc_prmcx, sc_prmxs;
     76 	int sc_prmay, sc_prmby, sc_prmcy, sc_prmys;
     77 	/* limit */
     78 	int sc_maxx, sc_maxy;
     79 
     80 	/* measurement value */
     81 	int sc_x, sc_y, sc_p;
     82 
     83 	/* SIB frame 0 state machine */
     84 	void		*sm_ih; /* TX39 SIB subframe 0 interrupt handler */
     85 
     86 	int		sm_addr; /* UCB1200 register address */
     87 	u_int32_t	sm_reg;  /* UCB1200 register data & TX39 SIB header */
     88 	int		sm_tmpreg;
     89 	int		sm_retry; /* retry counter */
     90 
     91 	enum ucbadc_state sm_state;
     92 	int		sm_measurement; /* X, Y, Pressure */
     93 #define	UCBADC_MEASUREMENT_X		0
     94 #define	UCBADC_MEASUREMENT_Y		1
     95 #define	UCBADC_MEASUREMENT_PRESSURE	2
     96 	int		sm_returnstate;
     97 
     98 	int		sm_read_state, sm_write_state;
     99 	int		sm_writing;	/* writing state flag */
    100 	u_int32_t	sm_write_val;	/* temporary buffer */
    101 
    102 	int		sm_rw_retry; /* retry counter for r/w */
    103 
    104 	/* wsmouse */
    105 	struct device *sc_wsmousedev;
    106 };
    107 
    108