wzero3_lcd.c revision 1.3 1 /* $NetBSD: wzero3_lcd.c,v 1.3 2011/07/19 15:37:39 dyoung Exp $ */
2
3 /*
4 * Copyright (c) 2008,2009 NONAKA Kimihiro <nonaka (at) 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 1.3 2011/07/19 15:37:39 dyoung Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/device.h>
35 #include <sys/pmf.h>
36 #include <sys/bus.h>
37
38 #include <dev/cons.h>
39 #include <dev/wscons/wsconsio.h>
40 #include <dev/wscons/wsdisplayvar.h>
41 #include <dev/wscons/wscons_callbacks.h>
42
43 #include <dev/hpc/hpcfbio.h>
44
45 #include <arm/xscale/pxa2x0cpu.h>
46 #include <arm/xscale/pxa2x0var.h>
47 #include <arm/xscale/pxa2x0_lcd.h>
48
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