1/* $NetBSD: w100lcd.c,v 1.6 2022/05/28 10:36:23 andvar Exp $ */
2/*
3 * Copyright (c) 2002, 2003  Genetec Corporation.  All rights reserved.
4 * Written by Hiroyuki Bessho for Genetec Corporation.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of Genetec Corporation may not be used to endorse or
15 *    promote products derived from this software without specific prior
16 *    written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/*
32 * LCD driver for Sharp Zaurus SL-C7x0/860, based on zlcd.c.
33 *
34 * Controlling LCD is done in w100.c.
35 *
36 * Codes in this file provide platform specific things including:
37 *   LCD panel geometry
38 *
39 * LCD on/off switch and backlight brightness are done in lcdctl.c.
40 */
41#include <sys/cdefs.h>
42__KERNEL_RCSID(0, "$NetBSD: w100lcd.c,v 1.6 2022/05/28 10:36:23 andvar Exp $");
43
44#include "lcdctl.h"
45
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/bus.h>
49
50#include <dev/cons.h>
51#include <dev/wscons/wsconsio.h>
52#include <dev/wscons/wsdisplayvar.h>
53#include <dev/rasops/rasops.h>
54#include <dev/wsfont/wsfont.h>
55
56#include <dev/hpc/hpcfbio.h>
57
58#include <arm/xscale/pxa2x0var.h>
59#include <zaurus/dev/w100var.h>
60
61#include <zaurus/zaurus/zaurus_var.h>
62#include <zaurus/dev/w100lcdvar.h>
63#if NLCDCTL > 0
64#include <zaurus/dev/lcdctlvar.h>
65#endif
66
67/*
68 * wsdisplay glue
69 */
70static struct w100_wsscreen_descr w100lcd_std_screen = {
71	.c = {
72		.name = "std",
73		.textops = &w100_emulops,
74		.fontwidth = 8,
75		.fontheight = 16,
76		.capabilities = WSSCREEN_WSCOLORS,
77	},
78	.depth = 16,			/* bits per pixel */
79	.flags = 0,
80};
81
82static const struct wsscreen_descr *w100lcd_scr_descr[] = {
83	&w100lcd_std_screen.c
84};
85
86static const struct wsscreen_list w100lcd_screen_list = {
87	.nscreens = __arraycount(w100lcd_scr_descr),
88	.screens = w100lcd_scr_descr,
89};
90
91static int	w100lcd_ioctl(void *, void *, u_long, void *, int,
92		    struct lwp *);
93static int	w100lcd_show_screen(void *, void *, int,
94		    void (*)(void *, int, int), void *);
95
96struct wsdisplay_accessops w100lcd_accessops = {
97	w100lcd_ioctl,
98	w100_mmap,
99	w100_alloc_screen,
100	w100_free_screen,
101	w100lcd_show_screen,
102	NULL,
103	NULL,
104	NULL,
105};
106
107const struct w100_panel_geometry lcd_panel_geometry_c700 =
108{
109	480,			/* Width */
110	640,			/* Height */
111	W100_PANEL_ROTATE_CW,   /* Rotate */
112};
113
114static int	w100lcd_match(device_t, cfdata_t, void *);
115static void	w100lcd_attach(device_t, device_t, void *);
116
117CFATTACH_DECL_NEW(w100lcd, sizeof(struct w100_softc),
118    w100lcd_match, w100lcd_attach, NULL, NULL);
119
120static bool	w100lcd_suspend(device_t, const pmf_qual_t *);
121static bool	w100lcd_resume(device_t, const pmf_qual_t *);
122
123static int
124w100lcd_match(device_t parent, cfdata_t cf, void *aux)
125{
126
127	if (ZAURUS_ISC860)
128		return 1;
129	return 0;
130}
131
132static void
133w100lcd_attach(device_t parent, device_t self, void *aux)
134{
135	struct w100_softc *sc = device_private(self);
136	struct pxaip_attach_args *pxa = (struct pxaip_attach_args *)aux;
137	struct wsemuldisplaydev_attach_args aa;
138
139	sc->dev = self;
140
141	w100_attach_subr(sc, pxa->pxa_iot, &lcd_panel_geometry_c700);
142
143	aa.console = glass_console;
144	aa.scrdata = &w100lcd_screen_list;
145	aa.accessops = &w100lcd_accessops;
146	aa.accesscookie = sc;
147
148	(void)config_found(self, &aa, wsemuldisplaydevprint, CFARGS_NONE);
149
150	if (!pmf_device_register(self, w100lcd_suspend, w100lcd_resume))
151		aprint_error_dev(self, "couldn't establish power handler\n");
152}
153
154void
155w100lcd_cnattach(void)
156{
157
158	if (ZAURUS_ISC860)
159		w100_cnattach(&w100lcd_std_screen, &lcd_panel_geometry_c700);
160}
161
162/*
163 * power management
164 */
165static bool
166w100lcd_suspend(device_t dv, const pmf_qual_t *qual)
167{
168	struct w100_softc *sc = device_private(dv);
169
170#if NLCDCTL > 0
171	lcdctl_onoff(false);
172#endif
173	w100_suspend(sc);
174
175	return true;
176}
177
178static bool
179w100lcd_resume(device_t dv, const pmf_qual_t *qual)
180{
181	struct w100_softc *sc = device_private(dv);
182
183	w100_resume(sc);
184#if NLCDCTL > 0
185	lcdctl_onoff(true);
186#endif
187
188	return true;
189}
190
191/*
192 * wsdisplay accessops overrides
193 */
194static int
195w100lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
196    struct lwp *l)
197{
198	struct w100_softc *sc = (struct w100_softc *)v;
199	struct hpcfb_fbconf *fbconf;
200	struct hpcfb_dspconf *dspconf;
201	int res = EINVAL;
202
203	switch (cmd) {
204#if NLCDCTL > 0
205	case WSDISPLAYIO_GETPARAM:
206	case WSDISPLAYIO_SETPARAM:
207		res = lcdctl_param(cmd, (struct wsdisplay_param *)data);
208		break;
209#endif
210	case HPCFBIO_GCONF:
211		fbconf = (struct hpcfb_fbconf *)data;
212		if (fbconf->hf_conf_index != 0 &&
213		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
214			break;
215		}
216
217		fbconf->hf_conf_index = 0;
218		fbconf->hf_nconfs = 1;
219		fbconf->hf_class = HPCFB_CLASS_RGBCOLOR;
220		strlcpy(fbconf->hf_name, "Sharp Zaurus frame buffer",
221		    sizeof(fbconf->hf_name));
222		strlcpy(fbconf->hf_conf_name, "default",
223		    sizeof(fbconf->hf_conf_name));
224		fbconf->hf_width = sc->display_width;
225		fbconf->hf_height = sc->display_height;
226		fbconf->hf_baseaddr = (u_long)sc->active->buf_va;
227		fbconf->hf_offset = 0;
228		fbconf->hf_bytes_per_line = sc->display_width *
229		    sc->active->depth / 8;
230		fbconf->hf_nplanes = 1;
231		fbconf->hf_bytes_per_plane = sc->display_width *
232		    sc->display_height * sc->active->depth / 8;
233		fbconf->hf_pack_width = sc->active->depth;
234		fbconf->hf_pixels_per_pack = 1;
235		fbconf->hf_pixel_width = sc->active->depth;
236		fbconf->hf_access_flags = (0
237					   | HPCFB_ACCESS_BYTE
238					   | HPCFB_ACCESS_WORD
239					   | HPCFB_ACCESS_DWORD);
240		fbconf->hf_order_flags = 0;
241		fbconf->hf_reg_offset = 0;
242
243		fbconf->hf_class_data_length = sizeof(struct hf_rgb_tag);
244		fbconf->hf_u.hf_rgb.hf_flags = 0;
245		fbconf->hf_u.hf_rgb.hf_red_width = 5;
246		fbconf->hf_u.hf_rgb.hf_red_shift = 11;
247		fbconf->hf_u.hf_rgb.hf_green_width = 6;
248		fbconf->hf_u.hf_rgb.hf_green_shift = 5;
249		fbconf->hf_u.hf_rgb.hf_blue_width = 5;
250		fbconf->hf_u.hf_rgb.hf_blue_shift = 0;
251		fbconf->hf_u.hf_rgb.hf_alpha_width = 0;
252		fbconf->hf_u.hf_rgb.hf_alpha_shift = 0;
253
254		fbconf->hf_ext_size = 0;
255		fbconf->hf_ext_data = NULL;
256
257		res = 0;
258		break;
259
260	case HPCFBIO_SCONF:
261		fbconf = (struct hpcfb_fbconf *)data;
262		if (fbconf->hf_conf_index != 0 &&
263		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
264			break;
265		}
266		/* nothing to do because we have only one configuration */
267		res = 0;
268		break;
269
270	case HPCFBIO_GDSPCONF:
271		dspconf = (struct hpcfb_dspconf *)data;
272		if ((dspconf->hd_unit_index != 0 &&
273		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
274		    (dspconf->hd_conf_index != 0 &&
275		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
276			break;
277		}
278
279		dspconf->hd_unit_index = 0;
280		dspconf->hd_nunits = 1;
281		dspconf->hd_class = HPCFB_DSP_CLASS_COLORLCD;
282		strlcpy(dspconf->hd_name, "Sharp Zaurus LCD",
283		    sizeof(dspconf->hd_name));
284		dspconf->hd_op_flags = 0;
285		dspconf->hd_conf_index = 0;
286		dspconf->hd_nconfs = 1;
287		strlcpy(dspconf->hd_conf_name, "default",
288		    sizeof(dspconf->hd_conf_name));
289		dspconf->hd_width = sc->display_width;
290		dspconf->hd_height = sc->display_height;
291		dspconf->hd_xdpi = HPCFB_DSP_DPI_UNKNOWN;
292		dspconf->hd_ydpi = HPCFB_DSP_DPI_UNKNOWN;
293
294		res = 0;
295		break;
296
297	case HPCFBIO_SDSPCONF:
298		dspconf = (struct hpcfb_dspconf *)data;
299		if ((dspconf->hd_unit_index != 0 &&
300		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
301		    (dspconf->hd_conf_index != 0 &&
302		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
303			break;
304		}
305		/*
306		 * nothing to do
307		 * because we have only one unit and one configuration
308		 */
309		res = 0;
310		break;
311
312	case HPCFBIO_GOP:
313	case HPCFBIO_SOP:
314		/* currently not implemented...  */
315		break;
316
317	default:
318		break;
319	}
320
321	if (res == EINVAL)
322		res = w100_ioctl(v, vs, cmd, data, flag, l);
323
324	return res;
325}
326
327static int
328w100lcd_show_screen(void *v, void *cookie, int waitok,
329    void (*cb_func)(void *, int, int), void *cb_arg)
330{
331	int error;
332
333	error = w100_show_screen(v, cookie, waitok, cb_func, cb_arg);
334	if (error)
335		return (error);
336
337	/* Turn on LCD */
338#if NLCDCTL > 0
339	lcdctl_onoff(true);
340#endif
341
342	return 0;
343}
344