xref: /netbsd/sys/arch/hpcarm/dev/wzero3_lcd.c (revision 6550d01e)
1 /*	$NetBSD: wzero3_lcd.c,v 1.2 2010/12/09 04:37:04 uebayasi Exp $	*/
2 
3 /*
4  * Copyright (c) 2008,2009 NONAKA Kimihiro <nonaka@netbsd.org>
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. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: wzero3_lcd.c,v 1.2 2010/12/09 04:37:04 uebayasi Exp $");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/device.h>
35 #include <sys/pmf.h>
36 
37 #include <dev/cons.h>
38 #include <dev/wscons/wsconsio.h>
39 #include <dev/wscons/wsdisplayvar.h>
40 #include <dev/wscons/wscons_callbacks.h>
41 
42 #include <dev/hpc/hpcfbio.h>
43 
44 #include <arm/xscale/pxa2x0cpu.h>
45 #include <arm/xscale/pxa2x0var.h>
46 #include <arm/xscale/pxa2x0_lcd.h>
47 
48 #include <machine/bus.h>
49 #include <machine/bootinfo.h>
50 #include <machine/platid.h>
51 #include <machine/platid_mask.h>
52 
53 #ifdef DEBUG
54 #define DPRINTF(arg)	printf arg
55 #else
56 #define DPRINTF(arg)	/* nothing */
57 #endif
58 
59 /*
60  * wsdisplay glue
61  */
62 static struct pxa2x0_wsscreen_descr wzero3lcd_std_screen = {
63 	.c = {
64 		.name = "std",
65 		.textops = &pxa2x0_lcd_emulops,
66 		.fontwidth = 8,
67 		.fontheight = 16,
68 		.capabilities = WSSCREEN_WSCOLORS,
69 	},
70 	.depth = 16,			/* bits per pixel */
71 	.flags = 0,
72 };
73 
74 static const struct wsscreen_descr *wzero3lcd_scr_descr[] = {
75 	&wzero3lcd_std_screen.c
76 };
77 
78 static const struct wsscreen_list wzero3lcd_screen_list = {
79 	.nscreens = __arraycount(wzero3lcd_scr_descr),
80 	.screens = wzero3lcd_scr_descr,
81 };
82 
83 static int wzero3lcd_ioctl(void *, void *, u_long, void *, int, struct lwp *);
84 static int wzero3lcd_param(struct pxa2x0_lcd_softc *, u_long, struct wsdisplay_param *);
85 static int wzero3lcd_show_screen(void *, void *, int, void (*)(void *, int, int), void *);
86 
87 static struct wsdisplay_accessops wzero3lcd_accessops = {
88 	wzero3lcd_ioctl,
89 	pxa2x0_lcd_mmap,
90 	pxa2x0_lcd_alloc_screen,
91 	pxa2x0_lcd_free_screen,
92 	wzero3lcd_show_screen,
93 	NULL,
94 	NULL,
95 	NULL,
96 };
97 
98 /* WS003SH or WS004SH */
99 static const struct lcd_panel_geometry sharp_ws003sh = {
100 	480,			/* Width */
101 	640,			/* Height */
102 	0,			/* No extra lines */
103 
104 	LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP,
105 	1,			/* clock divider */
106 	0,			/* AC bias pin freq */
107 
108 	0x14,			/* horizontal sync pulse width */
109 	0x4e,			/* BLW */
110 	0x46,			/* ELW */
111 
112 	0,			/* vertical sync pulse width */
113 	2,			/* BFW */
114 	5,			/* EFW */
115 
116 	0,			/* PCDDIV */
117 };
118 
119 /* WS007SH */
120 static const struct lcd_panel_geometry sharp_ws007sh = {
121 	480,			/* Width */
122 	640,			/* Height */
123 	0,			/* No extra lines */
124 
125 	LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP | LCDPANEL_OEP,
126 	3,			/* clock divider */
127 	0,			/* AC bias pin freq */
128 
129 	0x27,			/* horizontal sync pulse width */
130 	0x68,			/* BLW */
131 	0x5b,			/* ELW */
132 
133 	0,			/* vertical sync pulse width */
134 	2,			/* BFW */
135 	5,			/* EFW */
136 
137 	1,			/* PCDDIV */
138 };
139 
140 /* WS011SH */
141 static const struct lcd_panel_geometry sharp_ws011sh = {
142 	480,			/* Width */
143 	800,			/* Height */
144 	0,			/* No extra lines */
145 
146 	LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP,
147 	1,			/* clock divider */
148 	0,			/* AC bias pin freq */
149 
150 	0x0a,			/* horizontal sync pulse width */
151 	0x0c,			/* BLW */
152 	0x5e,			/* ELW */
153 
154 	0,			/* vertical sync pulse width */
155 	2,			/* BFW */
156 	1,			/* EFW */
157 
158 	0,			/* PCDDIV */
159 };
160 
161 /* WS020SH */
162 static const struct lcd_panel_geometry sharp_ws020sh = {
163 	480,			/* Width */
164 	800,			/* Height */
165 	0,			/* No extra lines */
166 
167 	LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP,
168 	1,			/* clock divider */
169 	0,			/* AC bias pin freq */
170 
171 	0x0a,			/* horizontal sync pulse width */
172 	0x0c,			/* BLW */
173 	0x5e,			/* ELW */
174 
175 	0,			/* vertical sync pulse width */
176 	2,			/* BFW */
177 	1,			/* EFW */
178 
179 	0,			/* PCDDIV */
180 };
181 
182 static int	wzero3lcd_match(struct device *, struct cfdata *, void *);
183 static void	wzero3lcd_attach(struct device *, struct device *, void *);
184 
185 CFATTACH_DECL_NEW(wzero3lcd, sizeof(struct pxa2x0_lcd_softc),
186 	wzero3lcd_match, wzero3lcd_attach, NULL, NULL);
187 
188 static const struct lcd_panel_geometry *wzero3lcd_lookup(void);
189 void wzero3lcd_cnattach(void);
190 static bool wzero3lcd_suspend(device_t dv, const pmf_qual_t *);
191 static bool wzero3lcd_resume(device_t dv, const pmf_qual_t *);
192 
193 /* default: quarter counter clockwise rotation */
194 int screen_rotate = 270;
195 
196 static const struct lcd_panel_geometry *
197 wzero3lcd_lookup(void)
198 {
199 
200 	if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS003SH)
201 	 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS004SH))
202 		return &sharp_ws003sh;
203 	if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH))
204 		return &sharp_ws007sh;
205 	if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH))
206 		return &sharp_ws011sh;
207 	if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH))
208 		return &sharp_ws020sh;
209 	return NULL;
210 }
211 
212 static int
213 wzero3lcd_match(struct device *parent, struct cfdata *cf, void *aux)
214 {
215 
216 	if (strcmp(cf->cf_name, "lcd") != 0)
217 		return 0;
218 	if (wzero3lcd_lookup() == NULL)
219 		return 0;
220 	return 1;
221 }
222 
223 static void
224 wzero3lcd_attach(struct device *parent, struct device *self, void *aux)
225 {
226 	struct pxa2x0_lcd_softc *sc = device_private(self);
227 	struct wsemuldisplaydev_attach_args aa;
228 	const struct lcd_panel_geometry *panel;
229 
230 	sc->dev = self;
231 
232 	panel = wzero3lcd_lookup();
233 	if (panel == NULL) {
234 		aprint_error(": unknown model\n");
235 		return;
236 	}
237 
238 	if ((platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH))
239 	 || (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH))
240 	 || (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH)))
241 		sc->flags |= FLAG_NOUSE_ACBIAS;
242 
243 	wzero3lcd_std_screen.flags &= ~(RI_ROTATE_MASK);
244 	switch (screen_rotate) {
245 	default:
246 		break;
247 
248 	case 270:	/* quarter counter clockwise rotation */
249 		wzero3lcd_std_screen.flags |= RI_ROTATE_CCW;
250 		break;
251 	}
252 	pxa2x0_lcd_attach_sub(sc, aux, panel);
253 
254 	aa.console = (bootinfo->bi_cnuse != BI_CNUSE_SERIAL);
255 	aa.scrdata = &wzero3lcd_screen_list;
256 	aa.accessops = &wzero3lcd_accessops;
257 	aa.accesscookie = sc;
258 
259 	(void) config_found(self, &aa, wsemuldisplaydevprint);
260 
261 	if (!pmf_device_register(sc->dev, wzero3lcd_suspend, wzero3lcd_resume))
262 		aprint_error_dev(sc->dev, "couldn't establish power handler\n");
263 }
264 
265 void
266 wzero3lcd_cnattach(void)
267 {
268 	const struct lcd_panel_geometry *panel;
269 
270 	panel = wzero3lcd_lookup();
271 	if (panel == NULL)
272 		return;
273 
274 	pxa2x0_lcd_cnattach(&wzero3lcd_std_screen, panel);
275 }
276 
277 /*
278  * Power management
279  */
280 static bool
281 wzero3lcd_suspend(device_t dv, const pmf_qual_t *qual)
282 {
283 	struct pxa2x0_lcd_softc *sc = device_private(dv);
284 
285 	pxa2x0_lcd_suspend(sc);
286 
287 	return true;
288 }
289 
290 static bool
291 wzero3lcd_resume(device_t dv, const pmf_qual_t *qual)
292 {
293 	struct pxa2x0_lcd_softc *sc = device_private(dv);
294 
295 	pxa2x0_lcd_resume(sc);
296 
297 	return true;
298 }
299 
300 /*
301  * wsdisplay accessops overrides
302  */
303 static int
304 wzero3lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
305 {
306 	struct pxa2x0_lcd_softc *sc = (struct pxa2x0_lcd_softc *)v;
307 	struct hpcfb_fbconf *fbconf;
308 	struct hpcfb_dspconf *dspconf;
309 	int res = EINVAL;
310 
311 	switch (cmd) {
312 	case WSDISPLAYIO_GETPARAM:
313 	case WSDISPLAYIO_SETPARAM:
314 		res = wzero3lcd_param(sc, cmd, (struct wsdisplay_param *)data);
315 		break;
316 
317 	case HPCFBIO_GCONF:
318 		fbconf = (struct hpcfb_fbconf *)data;
319 		if (fbconf->hf_conf_index != 0 &&
320 		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
321 			break;
322 		}
323 
324 		fbconf->hf_conf_index = 0;
325 		fbconf->hf_nconfs = 1;
326 		fbconf->hf_class = HPCFB_CLASS_RGBCOLOR;
327 		strlcpy(fbconf->hf_name, "Sharp W-ZERO3 frame buffer",
328 		    sizeof(fbconf->hf_name));
329 		strlcpy(fbconf->hf_conf_name, "LCD",
330 		    sizeof(fbconf->hf_conf_name));
331 		fbconf->hf_baseaddr = (u_long)sc->active->buf_va;
332 		fbconf->hf_width = sc->geometry->panel_width;
333 		fbconf->hf_height = sc->geometry->panel_height;
334 		fbconf->hf_offset = 0;
335 		fbconf->hf_bytes_per_line = fbconf->hf_width *
336 		    sc->active->depth / 8;
337 		fbconf->hf_nplanes = 1;
338 		fbconf->hf_bytes_per_plane = fbconf->hf_width *
339 		    fbconf->hf_height * sc->active->depth / 8;
340 		fbconf->hf_pack_width = sc->active->depth;
341 		fbconf->hf_pixels_per_pack = 1;
342 		fbconf->hf_pixel_width = sc->active->depth;
343 		fbconf->hf_access_flags = (HPCFB_ACCESS_STATIC
344 					   | HPCFB_ACCESS_BYTE
345 					   | HPCFB_ACCESS_WORD
346 					   | HPCFB_ACCESS_DWORD);
347 		fbconf->hf_order_flags = 0;
348 		fbconf->hf_reg_offset = 0;
349 
350 		fbconf->hf_class_data_length = sizeof(struct hf_rgb_tag);
351 		fbconf->hf_u.hf_rgb.hf_flags = 0;
352 		fbconf->hf_u.hf_rgb.hf_red_width = 5;
353 		fbconf->hf_u.hf_rgb.hf_red_shift = 11;
354 		fbconf->hf_u.hf_rgb.hf_green_width = 6;
355 		fbconf->hf_u.hf_rgb.hf_green_shift = 5;
356 		fbconf->hf_u.hf_rgb.hf_blue_width = 5;
357 		fbconf->hf_u.hf_rgb.hf_blue_shift = 0;
358 		fbconf->hf_u.hf_rgb.hf_alpha_width = 0;
359 		fbconf->hf_u.hf_rgb.hf_alpha_shift = 0;
360 
361 		fbconf->hf_ext_size = 0;
362 		fbconf->hf_ext_data = NULL;
363 
364 		res = 0;
365 		break;
366 
367 	case HPCFBIO_SCONF:
368 		fbconf = (struct hpcfb_fbconf *)data;
369 		if (fbconf->hf_conf_index != 0 &&
370 		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
371 			break;
372 		}
373 		/* nothing to do because we have only one configuration */
374 		res = 0;
375 		break;
376 
377 	case HPCFBIO_GDSPCONF:
378 		dspconf = (struct hpcfb_dspconf *)data;
379 		if ((dspconf->hd_unit_index != 0 &&
380 		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
381 		    (dspconf->hd_conf_index != 0 &&
382 		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
383 			break;
384 		}
385 
386 		dspconf->hd_unit_index = 0;
387 		dspconf->hd_nunits = 1;
388 		dspconf->hd_class = HPCFB_DSP_CLASS_COLORLCD;
389 		strlcpy(dspconf->hd_name, "PXA2x0 Internal LCD controller",
390 		    sizeof(dspconf->hd_name));
391 		dspconf->hd_op_flags = 0;
392 		dspconf->hd_conf_index = 0;
393 		dspconf->hd_nconfs = 1;
394 		strlcpy(dspconf->hd_conf_name, "LCD",
395 		    sizeof(dspconf->hd_conf_name));
396 		dspconf->hd_width = sc->geometry->panel_width;
397 		dspconf->hd_height = sc->geometry->panel_height;
398 		dspconf->hd_xdpi = HPCFB_DSP_DPI_UNKNOWN;
399 		dspconf->hd_ydpi = HPCFB_DSP_DPI_UNKNOWN;
400 
401 		res = 0;
402 		break;
403 
404 	case HPCFBIO_SDSPCONF:
405 		dspconf = (struct hpcfb_dspconf *)data;
406 		if ((dspconf->hd_unit_index != 0 &&
407 		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
408 		    (dspconf->hd_conf_index != 0 &&
409 		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
410 			break;
411 		}
412 		/*
413 		 * nothing to do
414 		 * because we have only one unit and one configuration
415 		 */
416 		res = 0;
417 		break;
418 
419 	case HPCFBIO_GOP:
420 	case HPCFBIO_SOP:
421 		/* curently not implemented...  */
422 		break;
423 	}
424 
425 	if (res == EINVAL)
426 		res = pxa2x0_lcd_ioctl(v, vs, cmd, data, flag, l);
427 	return res;
428 }
429 
430 static int
431 wzero3lcd_show_screen(void *v, void *cookie, int waitok, void (*cb_func)(void *, int, int), void *cb_arg)
432 {
433 	int error;
434 
435 	error = pxa2x0_lcd_show_screen(v, cookie, waitok, cb_func, cb_arg);
436 	if (error)
437 		return (error);
438 
439 	return 0;
440 }
441 
442 /*
443  * wsdisplay I/O controls
444  */
445 static int
446 wzero3lcd_param(struct pxa2x0_lcd_softc *sc, u_long cmd, struct wsdisplay_param *dp)
447 {
448 	int res = EINVAL;
449 
450 	switch (dp->param) {
451 	case WSDISPLAYIO_PARAM_BACKLIGHT:
452 		/* unsupported */
453 		DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_BACKLIGHT) isn't supported\n", device_xname(sc->dev)));
454 		res = ENOTTY;
455 		break;
456 
457 	case WSDISPLAYIO_PARAM_CONTRAST:
458 		DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_CONTRAST) isn't supported\n", device_xname(sc->dev)));
459 		/* unsupported */
460 		res = ENOTTY;
461 		break;
462 
463 	case WSDISPLAYIO_PARAM_BRIGHTNESS:
464 		DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_BRIGHTNESS) isn't supported\n", device_xname(sc->dev)));
465 		/* unsupported */
466 		res = ENOTTY;
467 	}
468 
469 	return res;
470 }
471