Home | History | Annotate | Line # | Download | only in tx
tx39io.c revision 1.5
      1 /*	$NetBSD: tx39io.c,v 1.5 2000/01/16 21:47:00 uch Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1999, 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 #include "opt_tx39_debug.h"
     29 #include "opt_tx39iodebug.h"
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/device.h>
     34 
     35 #include <machine/bus.h>
     36 
     37 #include <hpcmips/tx/tx39var.h>
     38 #include <hpcmips/tx/tx39iovar.h>
     39 #include <hpcmips/tx/tx39ioreg.h>
     40 #include <hpcmips/tx/tx39icureg.h>
     41 
     42 #include <hpcmips/tx/txiomanvar.h>
     43 
     44 #define TX39IO_ATTACH_DUMMYHANDLER 0
     45 #undef TX39IO_MFIOOUTPORT_ON
     46 #undef TX39IO_MFIOOUTPORT_OFF
     47 
     48 int	tx39io_match	__P((struct device*, struct cfdata*, void*));
     49 void	tx39io_attach	__P((struct device*, struct device*, void*));
     50 int	tx39io_print	__P((void*, const char*));
     51 
     52 struct tx39io_softc {
     53 	struct	device sc_dev;
     54 	tx_chipset_tag_t sc_tc;
     55 };
     56 
     57 struct cfattach tx39io_ca = {
     58 	sizeof(struct tx39io_softc), tx39io_match, tx39io_attach
     59 };
     60 
     61 #ifdef TX39IODEBUG
     62 int	tx39io_intr __P((void*));
     63 int	tx39mfio_intr __P((void*));
     64 void	tx39io_dump __P((struct tx39io_softc*));
     65 void	tx39io_dump_and_attach_handler __P((struct tx39io_softc*, int));
     66 void	__dump_and_attach_handler __P((tx_chipset_tag_t, u_int32_t,
     67 				       u_int32_t, u_int32_t, u_int32_t,
     68 				       int, int, int (*) __P((void*)),
     69 				       void*, int));
     70 #endif /* TX39IODEBUG */
     71 
     72 #define ISSET(x, s)	((x) & (1 << (s)))
     73 #define STD_IN		1
     74 #define STD_OUT		2
     75 #define STD_INOUT	3
     76 
     77 const struct {
     78 	char *std_pin_name;
     79 	int  std_type;
     80 } mfio_map[TX39_IO_MFIO_MAX] = {
     81   [31] = {"CHIFS",	STD_INOUT},
     82   [30] = {"CHICLK",	STD_INOUT},
     83   [29] = {"CHIDOUT",	STD_OUT},
     84   [28] = {"CHIDIN",	STD_IN},
     85   [27] = {"DREQ",	STD_IN},
     86   [26] = {"DGRINT",	STD_OUT},
     87   [25] = {"BC32K",	STD_OUT},
     88   [24] = {"TXD",	STD_OUT},
     89   [23] = {"RXD",	STD_IN},
     90   [22] = {"CS1",	STD_OUT},
     91   [21] = {"CS2",	STD_OUT},
     92   [20] = {"CS3",	STD_OUT},
     93   [19] = {"MCS0",	STD_OUT},
     94   [18] = {"MCS1",	STD_OUT},
     95 #ifdef TX391X
     96   [17] = {"MCS2",	STD_OUT},
     97   [16] = {"MCS3",	STD_OUT},
     98 #endif /* TX391X */
     99 #ifdef TX392X
    100   [17] = {"RXPWR",	STD_OUT},
    101   [16] = {"IROUT",	STD_OUT},
    102 #endif /* TX392X */
    103   [15] = {"SPICLK",	STD_OUT},
    104   [14] = {"SPIOUT",	STD_OUT},
    105   [13] = {"SPIN",	STD_IN},
    106   [12] = {"SIBMCLK",	STD_INOUT},
    107   [11] = {"CARDREG",	STD_OUT},
    108   [10] = {"CARDIOWR",	STD_OUT},
    109    [9] = {"CARDIORD",	STD_OUT},
    110    [8] = {"CARD1CSL",	STD_OUT},
    111    [7] = {"CARD1CSH",	STD_OUT},
    112    [6] = {"CARD2CSL",	STD_OUT},
    113    [5] = {"CARD2CSH",	STD_OUT},
    114    [4] = {"CARD1WAIT",	STD_IN},
    115    [3] = {"CARD2WAIT",	STD_IN},
    116    [2] = {"CARDDIR",	STD_OUT},
    117 #ifdef TX391X
    118    [1] = {"MFIO[1]",	0},
    119    [0] = {"MFIO[0]",	0}
    120 #endif /* TX391X */
    121 #ifdef TX392X
    122    [1] = {"MCS1WAIT",	0},
    123    [0] = {"MCS0WAIT",	0}
    124 #endif /* TX392X */
    125 };
    126 
    127 int
    128 tx39io_match(parent, cf, aux)
    129 	struct device *parent;
    130 	struct cfdata *cf;
    131 	void *aux;
    132 {
    133 	return 2; /* 1st attach group of txsim */
    134 }
    135 
    136 void
    137 tx39io_attach(parent, self, aux)
    138 	struct device *parent;
    139 	struct device *self;
    140 	void *aux;
    141 {
    142 	struct txsim_attach_args *ta = aux;
    143 	struct tx39io_softc *sc = (void*)self;
    144 	struct txioman_attach_args tia;
    145 
    146 	sc->sc_tc = ta->ta_tc;
    147 
    148 	printf("\n");
    149 #ifdef TX39IODEBUG
    150 	tx39io_dump(sc);
    151 #endif /* TX39IODEBUG */
    152 
    153 	/*
    154 	 * attach platform dependent io manager
    155 	 */
    156 	tia.tia_tc = sc->sc_tc;
    157 	config_found(self, &tia, tx39io_print);
    158 }
    159 
    160 int
    161 tx39io_print(aux, pnp)
    162 	void *aux;
    163 	const char *pnp;
    164 {
    165 	return pnp ? QUIET : UNCONF;
    166 }
    167 
    168 void
    169 tx39io_portout(tc, port, onoff)
    170 	tx_chipset_tag_t tc;
    171 	int port, onoff;
    172 {
    173 	txreg_t reg;
    174 
    175 	/* XXX check port is output or not */
    176 
    177 	if (port >= TXIO) { /* XXX TX3922 case */
    178 #ifdef TX391X
    179 		txreg_t  iostat;
    180 		/* IO */
    181 		reg = tx_conf_read(tc, TX39_IOCTRL_REG);
    182 		iostat = TX39_IOCTRL_IODOUT(reg);
    183 		if (onoff)
    184 			iostat |= (1 << (port - TXIO));
    185 		else
    186 			iostat &= ~(1 << (port - TXIO));
    187 
    188 		TX39_IOCTRL_IODOUT_CLR(reg);
    189 		reg = TX39_IOCTRL_IODOUT_SET(reg, iostat);
    190 		tx_conf_write(tc, TX39_IOCTRL_REG, reg);
    191 #endif /* TX391X */
    192 	} else {
    193 		/* MFIO */
    194 		reg = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
    195 		if (onoff)
    196 			reg |= (1 << port);
    197 		else
    198 			reg &= ~(1 << port);
    199 
    200 		tx_conf_write(tc, TX39_IOMFIODATAOUT_REG, reg);
    201 	}
    202 }
    203 
    204 #ifdef TX39IODEBUG
    205 int
    206 tx39io_intr(arg)
    207 	void *arg;
    208 {
    209 	printf("io (%d:%d)\n", (tx39intrvec >> 16) & 0xffff,
    210 	       tx39intrvec & 0xfff);
    211 
    212 	return 0;
    213 }
    214 
    215 int
    216 tx39mfio_intr(arg)
    217 	void *arg;
    218 {
    219 	printf("mfio (%d:%d)\n", (tx39intrvec >> 16) & 0xffff,
    220 	       tx39intrvec & 0xfff);
    221 
    222 	return 0;
    223 }
    224 
    225 void
    226 tx39io_dump(sc)
    227 	struct tx39io_softc *sc;
    228 {
    229 #ifdef COMPAQ_LOCAL_INTR /* for debug */
    230 	/* 2010c Rec button */
    231 	tx_intr_establish(tc, MAKEINTR(5, (1<<6)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    232 	/* Play button */
    233 	tx_intr_establish(tc, MAKEINTR(5, (1<<5)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    234 	/* Power connector */
    235 	tx_intr_establish(tc, MAKEINTR(3, (1<<28)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    236 	tx_intr_establish(tc, MAKEINTR(4, (1<<28)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    237 	/* UARTA carrier */
    238 	tx_intr_establish(tc, MAKEINTR(3, (1<<30)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    239 	tx_intr_establish(tc, MAKEINTR(4, (1<<30)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    240 	/* --> then turn off MFIO 31 */
    241 	tx_intr_establish(tc, MAKEINTR(3, (1<<5)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    242 	tx_intr_establish(tc, MAKEINTR(4, (1<<5)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    243 	/* --> then turn off MFIO 6 */
    244 	/* green LED:  MFIO 3 off */
    245 	/* orange LED: not connected to TX39IO ??? */
    246 	/* Backlight: UCB1200 GPIO port ??? */
    247 #endif
    248 #ifdef MOBILON_LOCAL_INTR /* for debug */
    249 	/* Rec button */
    250 	tx_intr_establish(tc, MAKEINTR(5, (1<<0)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    251 	/* Play button */
    252 	tx_intr_establish(tc, MAKEINTR(3, (1<<31)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    253 	/* Battery cover open */
    254 	tx_intr_establish(tc, MAKEINTR(3, (1<<29)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    255 	/* Serial DCD */
    256 	tx_intr_establish(tc, MAKEINTR(5, (1<<4)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    257 	/* --> then turn off IO 3 ??? */
    258 	tx_intr_establish(tc, MAKEINTR(5, (1<<6)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    259 	/* --> then turn off IO 5 ??? */
    260 	/* keyboard */
    261 	tx_intr_establish(tc, MAKEINTR(5, (1<<13)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    262 	/* Back light: MFIO 14 on */
    263 #endif
    264 #ifdef VICTOR_INTERLINK_INTR /* for debug */
    265 	/* open panel */
    266 	tx_intr_establish(tc, MAKEINTR(8, (1<<20)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    267 	/* close panel */
    268 	tx_intr_establish(tc, MAKEINTR(8, (1<<4)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    269 	/* serial session */
    270 	tx_intr_establish(tc, MAKEINTR(4, (1<<29)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    271 	tx_intr_establish(tc, MAKEINTR(4, (1<<30)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    272 	/* REC button */
    273 	tx_intr_establish(tc, MAKEINTR(8, (1<<7)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
    274 	/* kbd */
    275 	tx_intr_establish(tc, MAKEINTR(3, (1<<7)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
    276 #endif
    277 
    278 	tx39io_dump_and_attach_handler(sc, TX39IO_ATTACH_DUMMYHANDLER);
    279 }
    280 
    281 void
    282 tx39io_dump_and_attach_handler(sc, dummy)
    283 	struct tx39io_softc *sc;
    284 	int dummy;
    285 {
    286 	tx_chipset_tag_t tc;
    287 	u_int32_t reg, reg_out, reg_dir, reg_in, reg_sel, reg_pwr, reg_deb;
    288 	int i;
    289 	int (*iointr) __P((void*));
    290 	int (*mfiointr) __P((void*));
    291 
    292 	tc = sc->sc_tc;
    293 	if (dummy) {
    294 		iointr =  tx39io_intr;
    295 		mfiointr = tx39mfio_intr;
    296 	} else {
    297 		iointr = mfiointr = 0;
    298 	}
    299 
    300 	printf("--------------------------------------------------------------\n");
    301 	printf("	 Debounce Direction DataOut DataIn PowerDown Select\n");
    302 	printf("--------------------------------------------------------------\n");
    303 	/* IO */
    304 	reg = tx_conf_read(tc, TX39_IOCTRL_REG);
    305 	reg_deb = TX39_IOCTRL_IODEBSEL(reg);
    306 	reg_dir = TX39_IOCTRL_IODIREC(reg);
    307 #ifdef TX391X
    308 	reg_out = TX39_IOCTRL_IODOUT(reg);
    309 	reg_in  = TX39_IOCTRL_IODIN(reg);
    310 #endif /* TX391X */
    311 #ifdef TX392X
    312 	reg = tx_conf_read(tc, TX39_IODATAINOUT_REG);
    313 	reg_out = TX39_IODATAINOUT_DOUT(reg);
    314 	reg_in  = TX39_IODATAINOUT_DIN(reg);
    315 #endif /* TX392X */
    316 	reg = tx_conf_read(tc, TX39_IOIOPOWERDWN_REG);
    317 	reg_pwr = TX39_IOIOPOWERDWN_IOPD(reg);
    318 	for (i = TX39_IO_IO_MAX - 1; i >= 0 ; i--) {
    319 		printf("IO   %2d:    ", i);
    320 		printf("%s", ISSET(reg_dir, i) ? "On " : "Off");
    321 		printf("      ");
    322 		__dump_and_attach_handler(tc, reg_dir, reg_out, reg_in,
    323 					  reg_pwr, i, 1, iointr, sc, 1);
    324 
    325 		printf("    -");
    326 		printf("\n");
    327 	}
    328 	/* MFIO */
    329 	printf("--------------------------------------------------------------\n");
    330 	reg_out = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
    331 	reg_dir = tx_conf_read(tc, TX39_IOMFIODATADIR_REG);
    332 	reg_in  = tx_conf_read(tc, TX39_IOMFIODATAIN_REG);
    333 	reg_sel = tx_conf_read(tc, TX39_IOMFIODATASEL_REG);
    334 	reg_pwr = tx_conf_read(tc, TX39_IOMFIOPOWERDWN_REG);
    335 	for (i = TX39_IO_MFIO_MAX - 1; i >= 0 ; i--) {
    336 		printf("MFIO %2d:     -       ", i);
    337 		__dump_and_attach_handler(tc, reg_dir, reg_out, reg_in,
    338 					  reg_pwr, i, 0, mfiointr, sc,
    339 					  ISSET(reg_sel, i));
    340 		printf("  ");
    341 		printf(ISSET(reg_sel, i) ? "MFIO(%s)" : "%s",
    342 		       mfio_map[i].std_pin_name);
    343 		printf("\n");
    344 	}
    345 	printf("--------------------------------------------------------------\n");
    346 }
    347 
    348 void
    349 __dump_and_attach_handler(tc, reg_dir, reg_out, reg_in, reg_pwr,
    350 			  i, io, func, arg, mf)
    351 	tx_chipset_tag_t tc;
    352 	u_int32_t reg_dir, reg_out, reg_in, reg_pwr;
    353 	int i, io;
    354 	int (*func) __P((void*));
    355 	void *arg;
    356 	int mf;
    357 {
    358 	int pset, nset, pofs, nofs;
    359 
    360 	if (io) {
    361 #ifdef TX391X
    362 		pset = nset = 5;
    363 		pofs = i + 7;
    364 		nofs = i;
    365 #endif
    366 #ifdef TX392X
    367 		pset = nset = 8;
    368 		pofs = i + 16;
    369 		nofs = i;
    370 #endif
    371 	} else {
    372 		pset = 3;
    373 		nset = 4;
    374 		pofs = nofs = i;
    375 	}
    376 
    377 	if (ISSET(reg_dir, i)) {
    378 #if defined TX39IO_MFIOOUTPORT_ON || defined TX39IO_MFIOOUTPORT_OFF
    379 		txreg_t reg;
    380 #ifdef TX392X
    381 		if (io) {
    382 			reg = tx_conf_read(tc, TX39_IODATAINOUT_REG);
    383 #ifdef TX39IO_MFIOOUTPORT_ON
    384 			reg |= (1 << (i + 16));
    385 			printf("on.");
    386 #else
    387 			reg &= ~(1 << (i + 16));
    388 			printf("off.");
    389 #endif
    390 			tx_conf_write(tc, TX39_IODATAINOUT_REG, reg);
    391 		} else
    392 #endif /* TX392X */
    393 		{
    394 			reg = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
    395 #ifdef TX39IO_MFIOOUTPORT_ON
    396 			reg |= (1 << i);
    397 			printf("on.");
    398 #else
    399 			reg &= ~(1 << i);
    400 			printf("off.");
    401 #endif
    402 			tx_conf_write(tc, TX39_IOMFIODATAOUT_REG, reg);
    403 		}
    404 #endif /* TX39IO_MFIOOUTPORT_ON */
    405 		printf("Out");
    406 	} else {
    407 		printf("In ");
    408 		if (mf && func) {
    409 			/* Positive Edge */
    410 			tx_intr_establish(
    411 				tc, MAKEINTR(pset, (1 << pofs)),
    412 				IST_EDGE, IPL_TTY, func, arg);
    413 			/* Negative Edge */
    414 			tx_intr_establish(
    415 				tc, MAKEINTR(nset, (1 << nofs)),
    416 				IST_EDGE, IPL_TTY, func, arg);
    417 		}
    418 	}
    419 	printf("       ");
    420 	printf("%d", ISSET(reg_out, i) ? 1 : 0);
    421 	printf("       ");
    422 	printf("%d", ISSET(reg_in, i) ? 1 : 0);
    423 	printf("     ");
    424 	printf("%s", ISSET(reg_pwr, i) ? "Down  ": "Active");
    425 };
    426 
    427 #endif /* TX39IODEBUG */
    428