tx39io.c revision 1.6 1 /* $NetBSD: tx39io.c,v 1.6 2000/10/04 13:53:56 uch Exp $ */
2
3 /*-
4 * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include "opt_tx39_debug.h"
40 #include "opt_tx39iodebug.h"
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/device.h>
45
46 #include <machine/bus.h>
47
48 #include <hpcmips/tx/tx39var.h>
49 #include <hpcmips/tx/tx39iovar.h>
50 #include <hpcmips/tx/tx39ioreg.h>
51 #include <hpcmips/tx/tx39icureg.h>
52
53 #include <hpcmips/tx/txiomanvar.h>
54
55 #undef TX39IODEBUG
56 #define TX39IO_ATTACH_DUMMYHANDLER 0
57 #undef TX39IO_MFIOOUTPORT_ON
58 #undef TX39IO_MFIOOUTPORT_OFF
59
60 int tx39io_match(struct device *, struct cfdata *, void *);
61 void tx39io_attach(struct device *, struct device *, void *);
62 int tx39io_print(void *, const char *);
63
64 struct tx39io_softc {
65 struct device sc_dev;
66 tx_chipset_tag_t sc_tc;
67 };
68
69 struct cfattach tx39io_ca = {
70 sizeof(struct tx39io_softc), tx39io_match, tx39io_attach
71 };
72
73 #ifdef TX39IODEBUG
74 int tx39io_intr(void *);
75 int tx39mfio_intr(void *);
76 void tx39io_dump(struct tx39io_softc *);
77 void tx39io_dump_and_attach_handler(struct tx39io_softc *, int);
78 void __dump_and_attach_handler(tx_chipset_tag_t, u_int32_t,
79 u_int32_t, u_int32_t, u_int32_t,
80 int, int, int (*)(void *), void *, int);
81 #endif /* TX39IODEBUG */
82
83 #define ISSET(x, s) ((x) & (1 << (s)))
84 #define STD_IN 1
85 #define STD_OUT 2
86 #define STD_INOUT 3
87
88 const struct {
89 char *std_pin_name;
90 int std_type;
91 } mfio_map[TX39_IO_MFIO_MAX] = {
92 [31] = {"CHIFS", STD_INOUT},
93 [30] = {"CHICLK", STD_INOUT},
94 [29] = {"CHIDOUT", STD_OUT},
95 [28] = {"CHIDIN", STD_IN},
96 [27] = {"DREQ", STD_IN},
97 [26] = {"DGRINT", STD_OUT},
98 [25] = {"BC32K", STD_OUT},
99 [24] = {"TXD", STD_OUT},
100 [23] = {"RXD", STD_IN},
101 [22] = {"CS1", STD_OUT},
102 [21] = {"CS2", STD_OUT},
103 [20] = {"CS3", STD_OUT},
104 [19] = {"MCS0", STD_OUT},
105 [18] = {"MCS1", STD_OUT},
106 #ifdef TX391X
107 [17] = {"MCS2", STD_OUT},
108 [16] = {"MCS3", STD_OUT},
109 #endif /* TX391X */
110 #ifdef TX392X
111 [17] = {"RXPWR", STD_OUT},
112 [16] = {"IROUT", STD_OUT},
113 #endif /* TX392X */
114 [15] = {"SPICLK", STD_OUT},
115 [14] = {"SPIOUT", STD_OUT},
116 [13] = {"SPIN", STD_IN},
117 [12] = {"SIBMCLK", STD_INOUT},
118 [11] = {"CARDREG", STD_OUT},
119 [10] = {"CARDIOWR", STD_OUT},
120 [9] = {"CARDIORD", STD_OUT},
121 [8] = {"CARD1CSL", STD_OUT},
122 [7] = {"CARD1CSH", STD_OUT},
123 [6] = {"CARD2CSL", STD_OUT},
124 [5] = {"CARD2CSH", STD_OUT},
125 [4] = {"CARD1WAIT", STD_IN},
126 [3] = {"CARD2WAIT", STD_IN},
127 [2] = {"CARDDIR", STD_OUT},
128 #ifdef TX391X
129 [1] = {"MFIO[1]", 0},
130 [0] = {"MFIO[0]", 0}
131 #endif /* TX391X */
132 #ifdef TX392X
133 [1] = {"MCS1WAIT", 0},
134 [0] = {"MCS0WAIT", 0}
135 #endif /* TX392X */
136 };
137
138 int
139 tx39io_match(struct device *parent, struct cfdata *cf, void *aux)
140 {
141 return 2; /* 1st attach group of txsim */
142 }
143
144 void
145 tx39io_attach(struct device *parent, struct device *self, void *aux)
146 {
147 struct txsim_attach_args *ta = aux;
148 struct tx39io_softc *sc = (void*)self;
149 struct txioman_attach_args tia;
150
151 sc->sc_tc = ta->ta_tc;
152
153 printf("\n");
154 #ifdef TX39IODEBUG
155 tx39io_dump(sc);
156 #endif /* TX39IODEBUG */
157
158 /*
159 * attach platform dependent io manager
160 */
161 tia.tia_tc = sc->sc_tc;
162 config_found(self, &tia, tx39io_print);
163 }
164
165 int
166 tx39io_print(void *aux, const char *pnp)
167 {
168 return pnp ? QUIET : UNCONF;
169 }
170
171 void
172 tx39io_portout(tx_chipset_tag_t tc, int port, int onoff)
173 {
174 txreg_t reg;
175
176 /* XXX check port is output or not */
177
178 if (port >= TXIO) { /* XXX TX3922 case */
179 #ifdef TX391X
180 txreg_t iostat;
181 /* IO */
182 reg = tx_conf_read(tc, TX39_IOCTRL_REG);
183 iostat = TX39_IOCTRL_IODOUT(reg);
184 if (onoff)
185 iostat |= (1 << (port - TXIO));
186 else
187 iostat &= ~(1 << (port - TXIO));
188
189 TX39_IOCTRL_IODOUT_CLR(reg);
190 reg = TX39_IOCTRL_IODOUT_SET(reg, iostat);
191 tx_conf_write(tc, TX39_IOCTRL_REG, reg);
192 #endif /* TX391X */
193 } else {
194 /* MFIO */
195 reg = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
196 if (onoff)
197 reg |= (1 << port);
198 else
199 reg &= ~(1 << port);
200
201 tx_conf_write(tc, TX39_IOMFIODATAOUT_REG, reg);
202 }
203 }
204
205 #ifdef TX39IODEBUG
206 int
207 tx39io_intr(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(void *arg)
217 {
218 printf("mfio (%d:%d)\n", (tx39intrvec >> 16) & 0xffff,
219 tx39intrvec & 0xfff);
220
221 return 0;
222 }
223
224 void
225 tx39io_dump(struct tx39io_softc *sc)
226 {
227 #ifdef COMPAQ_LOCAL_INTR /* for debug */
228 /* 2010c Rec button */
229 tx_intr_establish(tc, MAKEINTR(5, (1<<6)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
230 /* Play button */
231 tx_intr_establish(tc, MAKEINTR(5, (1<<5)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
232 /* Power connector */
233 tx_intr_establish(tc, MAKEINTR(3, (1<<28)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
234 tx_intr_establish(tc, MAKEINTR(4, (1<<28)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
235 /* UARTA carrier */
236 tx_intr_establish(tc, MAKEINTR(3, (1<<30)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
237 tx_intr_establish(tc, MAKEINTR(4, (1<<30)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
238 /* --> then turn off MFIO 31 */
239 tx_intr_establish(tc, MAKEINTR(3, (1<<5)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
240 tx_intr_establish(tc, MAKEINTR(4, (1<<5)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
241 /* --> then turn off MFIO 6 */
242 /* green LED: MFIO 3 off */
243 /* orange LED: not connected to TX39IO ??? */
244 /* Backlight: UCB1200 GPIO port ??? */
245 #endif
246 #ifdef MOBILON_LOCAL_INTR /* for debug */
247 /* Rec button */
248 tx_intr_establish(tc, MAKEINTR(5, (1<<0)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
249 /* Play button */
250 tx_intr_establish(tc, MAKEINTR(3, (1<<31)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
251 /* Battery cover open */
252 tx_intr_establish(tc, MAKEINTR(3, (1<<29)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
253 /* Serial DCD */
254 tx_intr_establish(tc, MAKEINTR(5, (1<<4)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
255 /* --> then turn off IO 3 ??? */
256 tx_intr_establish(tc, MAKEINTR(5, (1<<6)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
257 /* --> then turn off IO 5 ??? */
258 /* keyboard */
259 tx_intr_establish(tc, MAKEINTR(5, (1<<13)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
260 /* Back light: MFIO 14 on */
261 #endif
262 #ifdef VICTOR_INTERLINK_INTR /* for debug */
263 /* open panel */
264 tx_intr_establish(tc, MAKEINTR(8, (1<<20)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
265 /* close panel */
266 tx_intr_establish(tc, MAKEINTR(8, (1<<4)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
267 /* serial session */
268 tx_intr_establish(tc, MAKEINTR(4, (1<<29)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
269 tx_intr_establish(tc, MAKEINTR(4, (1<<30)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
270 /* REC button */
271 tx_intr_establish(tc, MAKEINTR(8, (1<<7)), IST_EDGE, IPL_CLOCK, tx39io_intr, sc);
272 /* kbd */
273 tx_intr_establish(tc, MAKEINTR(3, (1<<7)), IST_EDGE, IPL_CLOCK, tx39mfio_intr, sc);
274 #endif
275
276 tx39io_dump_and_attach_handler(sc, TX39IO_ATTACH_DUMMYHANDLER);
277 }
278
279 void
280 tx39io_dump_and_attach_handler(struct tx39io_softc *sc, int dummy)
281 {
282 tx_chipset_tag_t tc;
283 u_int32_t reg, reg_out, reg_dir, reg_in, reg_sel, reg_pwr, reg_deb;
284 int i;
285 int (*iointr)(void*);
286 int (*mfiointr)(void*);
287
288 tc = sc->sc_tc;
289 if (dummy) {
290 iointr = tx39io_intr;
291 mfiointr = tx39mfio_intr;
292 } else {
293 iointr = mfiointr = 0;
294 }
295
296 printf("--------------------------------------------------------------\n");
297 printf(" Debounce Direction DataOut DataIn PowerDown Select\n");
298 printf("--------------------------------------------------------------\n");
299 /* IO */
300 reg = tx_conf_read(tc, TX39_IOCTRL_REG);
301 reg_deb = TX39_IOCTRL_IODEBSEL(reg);
302 reg_dir = TX39_IOCTRL_IODIREC(reg);
303 #ifdef TX391X
304 reg_out = TX39_IOCTRL_IODOUT(reg);
305 reg_in = TX39_IOCTRL_IODIN(reg);
306 #endif /* TX391X */
307 #ifdef TX392X
308 reg = tx_conf_read(tc, TX39_IODATAINOUT_REG);
309 reg_out = TX39_IODATAINOUT_DOUT(reg);
310 reg_in = TX39_IODATAINOUT_DIN(reg);
311 #endif /* TX392X */
312 reg = tx_conf_read(tc, TX39_IOIOPOWERDWN_REG);
313 reg_pwr = TX39_IOIOPOWERDWN_IOPD(reg);
314 for (i = TX39_IO_IO_MAX - 1; i >= 0 ; i--) {
315 printf("IO %2d: ", i);
316 printf("%s", ISSET(reg_dir, i) ? "On " : "Off");
317 printf(" ");
318 __dump_and_attach_handler(tc, reg_dir, reg_out, reg_in,
319 reg_pwr, i, 1, iointr, sc, 1);
320
321 printf(" -");
322 printf("\n");
323 }
324 /* MFIO */
325 printf("--------------------------------------------------------------\n");
326 reg_out = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
327 reg_dir = tx_conf_read(tc, TX39_IOMFIODATADIR_REG);
328 reg_in = tx_conf_read(tc, TX39_IOMFIODATAIN_REG);
329 reg_sel = tx_conf_read(tc, TX39_IOMFIODATASEL_REG);
330 reg_pwr = tx_conf_read(tc, TX39_IOMFIOPOWERDWN_REG);
331 for (i = TX39_IO_MFIO_MAX - 1; i >= 0 ; i--) {
332 printf("MFIO %2d: - ", i);
333 __dump_and_attach_handler(tc, reg_dir, reg_out, reg_in,
334 reg_pwr, i, 0, mfiointr, sc,
335 ISSET(reg_sel, i));
336 printf(" ");
337 printf(ISSET(reg_sel, i) ? "MFIO(%s)" : "%s",
338 mfio_map[i].std_pin_name);
339 printf("\n");
340 }
341 printf("--------------------------------------------------------------\n");
342 }
343
344 void
345 __dump_and_attach_handler(tx_chipset_tag_t tc, u_int32_t reg_dir,
346 u_int32_t reg_out, u_int32_t reg_in,
347 u_int32_t reg_pwr, int i, int io,
348 int (*func)(void*), void *arg, int mf)
349 {
350 int pset, nset, pofs, nofs;
351
352 if (io) {
353 #ifdef TX391X
354 pset = nset = 5;
355 pofs = i + 7;
356 nofs = i;
357 #endif
358 #ifdef TX392X
359 pset = nset = 8;
360 pofs = i + 16;
361 nofs = i;
362 #endif
363 } else {
364 pset = 3;
365 nset = 4;
366 pofs = nofs = i;
367 }
368
369 if (ISSET(reg_dir, i)) {
370 #if defined TX39IO_MFIOOUTPORT_ON || defined TX39IO_MFIOOUTPORT_OFF
371 txreg_t reg;
372 #ifdef TX392X
373 if (io) {
374 reg = tx_conf_read(tc, TX39_IODATAINOUT_REG);
375 #ifdef TX39IO_MFIOOUTPORT_ON
376 reg |= (1 << (i + 16));
377 printf("on.");
378 #else
379 reg &= ~(1 << (i + 16));
380 printf("off.");
381 #endif
382 tx_conf_write(tc, TX39_IODATAINOUT_REG, reg);
383 } else
384 #endif /* TX392X */
385 {
386 reg = tx_conf_read(tc, TX39_IOMFIODATAOUT_REG);
387 #ifdef TX39IO_MFIOOUTPORT_ON
388 reg |= (1 << i);
389 printf("on.");
390 #else
391 reg &= ~(1 << i);
392 printf("off.");
393 #endif
394 tx_conf_write(tc, TX39_IOMFIODATAOUT_REG, reg);
395 }
396 #endif /* TX39IO_MFIOOUTPORT_ON */
397 printf("Out");
398 } else {
399 printf("In ");
400 if (mf && func) {
401 /* Positive Edge */
402 tx_intr_establish(
403 tc, MAKEINTR(pset, (1 << pofs)),
404 IST_EDGE, IPL_TTY, func, arg);
405 /* Negative Edge */
406 tx_intr_establish(
407 tc, MAKEINTR(nset, (1 << nofs)),
408 IST_EDGE, IPL_TTY, func, arg);
409 }
410 }
411 printf(" ");
412 printf("%d", ISSET(reg_out, i) ? 1 : 0);
413 printf(" ");
414 printf("%d", ISSET(reg_in, i) ? 1 : 0);
415 printf(" ");
416 printf("%s", ISSET(reg_pwr, i) ? "Down ": "Active");
417 };
418
419 #endif /* TX39IODEBUG */
420