1 /* $NetBSD: wzero3_lcd.c,v 1.8 2022/05/28 10:36:22 andvar 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: wzero3_lcd.c,v 1.8 2022/05/28 10:36:22 andvar Exp $");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/device.h>
34 #include <sys/pmf.h>
35 #include <sys/bus.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/bootinfo.h>
49 #include <machine/platid.h>
50 #include <machine/platid_mask.h>
51
52 #ifdef DEBUG
53 #define DPRINTF(arg) printf arg
54 #else
55 #define DPRINTF(arg) /* nothing */
56 #endif
57
58 /*
59 * wsdisplay glue
60 */
61 static struct pxa2x0_wsscreen_descr wzero3lcd_std_screen = {
62 .c = {
63 .name = "std",
64 .textops = &pxa2x0_lcd_emulops,
65 .fontwidth = 8,
66 .fontheight = 16,
67 .capabilities = WSSCREEN_WSCOLORS,
68 },
69 .depth = 16, /* bits per pixel */
70 .flags = 0,
71 };
72
73 static const struct wsscreen_descr *wzero3lcd_scr_descr[] = {
74 &wzero3lcd_std_screen.c
75 };
76
77 static const struct wsscreen_list wzero3lcd_screen_list = {
78 .nscreens = __arraycount(wzero3lcd_scr_descr),
79 .screens = wzero3lcd_scr_descr,
80 };
81
82 static int wzero3lcd_ioctl(void *, void *, u_long, void *, int, struct lwp *);
83 static int wzero3lcd_param(struct pxa2x0_lcd_softc *, u_long, struct wsdisplay_param *);
84 static int wzero3lcd_show_screen(void *, void *, int, void (*)(void *, int, int), void *);
85
86 static struct wsdisplay_accessops wzero3lcd_accessops = {
87 wzero3lcd_ioctl,
88 pxa2x0_lcd_mmap,
89 pxa2x0_lcd_alloc_screen,
90 pxa2x0_lcd_free_screen,
91 wzero3lcd_show_screen,
92 NULL,
93 NULL,
94 NULL,
95 };
96
97 /* WS003SH or WS004SH */
98 static const struct lcd_panel_geometry sharp_ws003sh = {
99 480, /* Width */
100 640, /* Height */
101 0, /* No extra lines */
102
103 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP,
104 1, /* clock divider */
105 0, /* AC bias pin freq */
106
107 0x14, /* horizontal sync pulse width */
108 0x4e, /* BLW */
109 0x46, /* ELW */
110
111 0, /* vertical sync pulse width */
112 2, /* BFW */
113 5, /* EFW */
114
115 0, /* PCDDIV */
116 };
117
118 /* WS007SH */
119 static const struct lcd_panel_geometry sharp_ws007sh = {
120 480, /* Width */
121 640, /* Height */
122 0, /* No extra lines */
123
124 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP | LCDPANEL_OEP,
125 3, /* clock divider */
126 0, /* AC bias pin freq */
127
128 0x27, /* horizontal sync pulse width */
129 0x68, /* BLW */
130 0x5b, /* ELW */
131
132 0, /* vertical sync pulse width */
133 2, /* BFW */
134 5, /* EFW */
135
136 1, /* PCDDIV */
137 };
138
139 /* WS011SH */
140 static const struct lcd_panel_geometry sharp_ws011sh = {
141 480, /* Width */
142 800, /* Height */
143 0, /* No extra lines */
144
145 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP,
146 1, /* clock divider */
147 0, /* AC bias pin freq */
148
149 0x0a, /* horizontal sync pulse width */
150 0x0c, /* BLW */
151 0x5e, /* ELW */
152
153 0, /* vertical sync pulse width */
154 2, /* BFW */
155 1, /* EFW */
156
157 0, /* PCDDIV */
158 };
159
160 /* WS020SH */
161 static const struct lcd_panel_geometry sharp_ws020sh = {
162 480, /* Width */
163 800, /* Height */
164 0, /* No extra lines */
165
166 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP,
167 1, /* clock divider */
168 0, /* AC bias pin freq */
169
170 0x0a, /* horizontal sync pulse width */
171 0x0c, /* BLW */
172 0x5e, /* ELW */
173
174 0, /* vertical sync pulse width */
175 2, /* BFW */
176 1, /* EFW */
177
178 0, /* PCDDIV */
179 };
180
181 static int wzero3lcd_match(device_t, cfdata_t, void *);
182 static void wzero3lcd_attach(device_t, device_t, void *);
183
184 CFATTACH_DECL_NEW(wzero3lcd, sizeof(struct pxa2x0_lcd_softc),
185 wzero3lcd_match, wzero3lcd_attach, NULL, NULL);
186
187 static const struct lcd_panel_geometry *wzero3lcd_lookup(void);
188 void wzero3lcd_cnattach(void);
189 static bool wzero3lcd_suspend(device_t dv, const pmf_qual_t *);
190 static bool wzero3lcd_resume(device_t dv, const pmf_qual_t *);
191
192 /* default: quarter counter clockwise rotation */
193 int screen_rotate = 270;
194
195 static const struct lcd_panel_geometry *
wzero3lcd_lookup(void)196 wzero3lcd_lookup(void)
197 {
198
199 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS003SH)
200 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS004SH))
201 return &sharp_ws003sh;
202 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH))
203 return &sharp_ws007sh;
204 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH))
205 return &sharp_ws011sh;
206 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH))
207 return &sharp_ws020sh;
208 return NULL;
209 }
210
211 static int
wzero3lcd_match(device_t parent,cfdata_t cf,void * aux)212 wzero3lcd_match(device_t parent, cfdata_t cf, void *aux)
213 {
214
215 if (strcmp(cf->cf_name, "lcd") != 0)
216 return 0;
217 if (wzero3lcd_lookup() == NULL)
218 return 0;
219 return 1;
220 }
221
222 static void
wzero3lcd_attach(device_t parent,device_t self,void * aux)223 wzero3lcd_attach(device_t parent, device_t self, void *aux)
224 {
225 struct pxa2x0_lcd_softc *sc = device_private(self);
226 struct wsemuldisplaydev_attach_args aa;
227 const struct lcd_panel_geometry *panel;
228
229 sc->dev = self;
230
231 panel = wzero3lcd_lookup();
232 if (panel == NULL) {
233 aprint_error(": unknown model\n");
234 return;
235 }
236
237 if ((platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH))
238 || (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH))
239 || (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH)))
240 sc->flags |= FLAG_NOUSE_ACBIAS;
241
242 wzero3lcd_std_screen.flags &= ~(RI_ROTATE_MASK);
243 switch (screen_rotate) {
244 default:
245 break;
246
247 case 270: /* quarter counter clockwise rotation */
248 wzero3lcd_std_screen.flags |= RI_ROTATE_CCW;
249 break;
250 }
251 pxa2x0_lcd_attach_sub(sc, aux, panel);
252
253 aa.console = (bootinfo->bi_cnuse != BI_CNUSE_SERIAL);
254 aa.scrdata = &wzero3lcd_screen_list;
255 aa.accessops = &wzero3lcd_accessops;
256 aa.accesscookie = sc;
257
258 (void) config_found(self, &aa, wsemuldisplaydevprint, CFARGS_NONE);
259
260 if (!pmf_device_register(sc->dev, wzero3lcd_suspend, wzero3lcd_resume))
261 aprint_error_dev(sc->dev, "couldn't establish power handler\n");
262 }
263
264 void
wzero3lcd_cnattach(void)265 wzero3lcd_cnattach(void)
266 {
267 const struct lcd_panel_geometry *panel;
268
269 panel = wzero3lcd_lookup();
270 if (panel == NULL)
271 return;
272
273 pxa2x0_lcd_cnattach(&wzero3lcd_std_screen, panel);
274 }
275
276 /*
277 * Power management
278 */
279 static bool
wzero3lcd_suspend(device_t dv,const pmf_qual_t * qual)280 wzero3lcd_suspend(device_t dv, const pmf_qual_t *qual)
281 {
282 struct pxa2x0_lcd_softc *sc = device_private(dv);
283
284 pxa2x0_lcd_suspend(sc);
285
286 return true;
287 }
288
289 static bool
wzero3lcd_resume(device_t dv,const pmf_qual_t * qual)290 wzero3lcd_resume(device_t dv, const pmf_qual_t *qual)
291 {
292 struct pxa2x0_lcd_softc *sc = device_private(dv);
293
294 pxa2x0_lcd_resume(sc);
295
296 return true;
297 }
298
299 /*
300 * wsdisplay accessops overrides
301 */
302 static int
wzero3lcd_ioctl(void * v,void * vs,u_long cmd,void * data,int flag,struct lwp * l)303 wzero3lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
304 {
305 struct pxa2x0_lcd_softc *sc = (struct pxa2x0_lcd_softc *)v;
306 struct hpcfb_fbconf *fbconf;
307 struct hpcfb_dspconf *dspconf;
308 int res = EINVAL;
309
310 switch (cmd) {
311 case WSDISPLAYIO_GETPARAM:
312 case WSDISPLAYIO_SETPARAM:
313 res = wzero3lcd_param(sc, cmd, (struct wsdisplay_param *)data);
314 break;
315
316 case HPCFBIO_GCONF:
317 fbconf = (struct hpcfb_fbconf *)data;
318 if (fbconf->hf_conf_index != 0 &&
319 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
320 break;
321 }
322
323 fbconf->hf_conf_index = 0;
324 fbconf->hf_nconfs = 1;
325 fbconf->hf_class = HPCFB_CLASS_RGBCOLOR;
326 strlcpy(fbconf->hf_name, "Sharp W-ZERO3 frame buffer",
327 sizeof(fbconf->hf_name));
328 strlcpy(fbconf->hf_conf_name, "LCD",
329 sizeof(fbconf->hf_conf_name));
330 fbconf->hf_baseaddr = (u_long)sc->active->buf_va;
331 fbconf->hf_width = sc->geometry->panel_width;
332 fbconf->hf_height = sc->geometry->panel_height;
333 fbconf->hf_offset = 0;
334 fbconf->hf_bytes_per_line = fbconf->hf_width *
335 sc->active->depth / 8;
336 fbconf->hf_nplanes = 1;
337 fbconf->hf_bytes_per_plane = fbconf->hf_width *
338 fbconf->hf_height * sc->active->depth / 8;
339 fbconf->hf_pack_width = sc->active->depth;
340 fbconf->hf_pixels_per_pack = 1;
341 fbconf->hf_pixel_width = sc->active->depth;
342 fbconf->hf_access_flags = (HPCFB_ACCESS_STATIC
343 | HPCFB_ACCESS_BYTE
344 | HPCFB_ACCESS_WORD
345 | HPCFB_ACCESS_DWORD);
346 fbconf->hf_order_flags = 0;
347 fbconf->hf_reg_offset = 0;
348
349 fbconf->hf_class_data_length = sizeof(struct hf_rgb_tag);
350 fbconf->hf_u.hf_rgb.hf_flags = 0;
351 fbconf->hf_u.hf_rgb.hf_red_width = 5;
352 fbconf->hf_u.hf_rgb.hf_red_shift = 11;
353 fbconf->hf_u.hf_rgb.hf_green_width = 6;
354 fbconf->hf_u.hf_rgb.hf_green_shift = 5;
355 fbconf->hf_u.hf_rgb.hf_blue_width = 5;
356 fbconf->hf_u.hf_rgb.hf_blue_shift = 0;
357 fbconf->hf_u.hf_rgb.hf_alpha_width = 0;
358 fbconf->hf_u.hf_rgb.hf_alpha_shift = 0;
359
360 fbconf->hf_ext_size = 0;
361 fbconf->hf_ext_data = NULL;
362
363 res = 0;
364 break;
365
366 case HPCFBIO_SCONF:
367 fbconf = (struct hpcfb_fbconf *)data;
368 if (fbconf->hf_conf_index != 0 &&
369 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
370 break;
371 }
372 /* nothing to do because we have only one configuration */
373 res = 0;
374 break;
375
376 case HPCFBIO_GDSPCONF:
377 dspconf = (struct hpcfb_dspconf *)data;
378 if ((dspconf->hd_unit_index != 0 &&
379 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
380 (dspconf->hd_conf_index != 0 &&
381 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
382 break;
383 }
384
385 dspconf->hd_unit_index = 0;
386 dspconf->hd_nunits = 1;
387 dspconf->hd_class = HPCFB_DSP_CLASS_COLORLCD;
388 strlcpy(dspconf->hd_name, "PXA2x0 Internal LCD controller",
389 sizeof(dspconf->hd_name));
390 dspconf->hd_op_flags = 0;
391 dspconf->hd_conf_index = 0;
392 dspconf->hd_nconfs = 1;
393 strlcpy(dspconf->hd_conf_name, "LCD",
394 sizeof(dspconf->hd_conf_name));
395 dspconf->hd_width = sc->geometry->panel_width;
396 dspconf->hd_height = sc->geometry->panel_height;
397 dspconf->hd_xdpi = HPCFB_DSP_DPI_UNKNOWN;
398 dspconf->hd_ydpi = HPCFB_DSP_DPI_UNKNOWN;
399
400 res = 0;
401 break;
402
403 case HPCFBIO_SDSPCONF:
404 dspconf = (struct hpcfb_dspconf *)data;
405 if ((dspconf->hd_unit_index != 0 &&
406 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
407 (dspconf->hd_conf_index != 0 &&
408 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
409 break;
410 }
411 /*
412 * nothing to do
413 * because we have only one unit and one configuration
414 */
415 res = 0;
416 break;
417
418 case HPCFBIO_GOP:
419 case HPCFBIO_SOP:
420 /* currently not implemented... */
421 break;
422 }
423
424 if (res == EINVAL)
425 res = pxa2x0_lcd_ioctl(v, vs, cmd, data, flag, l);
426 return res;
427 }
428
429 static int
wzero3lcd_show_screen(void * v,void * cookie,int waitok,void (* cb_func)(void *,int,int),void * cb_arg)430 wzero3lcd_show_screen(void *v, void *cookie, int waitok, void (*cb_func)(void *, int, int), void *cb_arg)
431 {
432 int error;
433
434 error = pxa2x0_lcd_show_screen(v, cookie, waitok, cb_func, cb_arg);
435 if (error)
436 return (error);
437
438 return 0;
439 }
440
441 /*
442 * wsdisplay I/O controls
443 */
444 static int
wzero3lcd_param(struct pxa2x0_lcd_softc * sc,u_long cmd,struct wsdisplay_param * dp)445 wzero3lcd_param(struct pxa2x0_lcd_softc *sc, u_long cmd, struct wsdisplay_param *dp)
446 {
447 int res = EINVAL;
448
449 switch (dp->param) {
450 case WSDISPLAYIO_PARAM_BACKLIGHT:
451 /* unsupported */
452 DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_BACKLIGHT) isn't supported\n", device_xname(sc->dev)));
453 res = ENOTTY;
454 break;
455
456 case WSDISPLAYIO_PARAM_CONTRAST:
457 DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_CONTRAST) isn't supported\n", device_xname(sc->dev)));
458 /* unsupported */
459 res = ENOTTY;
460 break;
461
462 case WSDISPLAYIO_PARAM_BRIGHTNESS:
463 DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_BRIGHTNESS) isn't supported\n", device_xname(sc->dev)));
464 /* unsupported */
465 res = ENOTTY;
466 }
467
468 return res;
469 }
470