1/* $NetBSD: w100lcd.c,v 1.1 2012/01/29 10:12:42 tsutsui 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 1.1 2012/01/29 10:12:42 tsutsui Exp $");
43
44#include <sys/param.h>
45#include <sys/systm.h>
46#include <sys/bus.h>
47
48#include <dev/cons.h>
49#include <dev/wscons/wsconsio.h>
50#include <dev/wscons/wsdisplayvar.h>
51#include <dev/rasops/rasops.h>
52#include <dev/wsfont/wsfont.h>
53
54#include <dev/hpc/hpcfbio.h>
55
56#include <arm/xscale/pxa2x0var.h>
57#include <zaurus/dev/w100var.h>
58
59#include <zaurus/zaurus/zaurus_var.h>
60#include <zaurus/dev/w100lcdvar.h>
61
62/*
63 * wsdisplay glue
64 */
65static struct w100_wsscreen_descr w100lcd_std_screen = {
66	.c = {
67		.name = "std",
68		.textops = &w100_emulops,
69		.fontwidth = 8,
70		.fontheight = 16,
71		.capabilities = WSSCREEN_WSCOLORS,
72	},
73	.depth = 16,			/* bits per pixel */
74	.flags = 0,
75};
76
77static const struct wsscreen_descr *w100lcd_scr_descr[] = {
78	&w100lcd_std_screen.c
79};
80
81static const struct wsscreen_list w100lcd_screen_list = {
82	.nscreens = __arraycount(w100lcd_scr_descr),
83	.screens = w100lcd_scr_descr,
84};
85
86static int	w100lcd_ioctl(void *, void *, u_long, void *, int,
87		    struct lwp *);
88static int	w100lcd_show_screen(void *, void *, int,
89		    void (*)(void *, int, int), void *);
90
91struct wsdisplay_accessops w100lcd_accessops = {
92	w100lcd_ioctl,
93	w100_mmap,
94	w100_alloc_screen,
95	w100_free_screen,
96	w100lcd_show_screen,
97	NULL,
98	NULL,
99	NULL,
100};
101
102const struct w100_panel_geometry lcd_panel_geometry_c700 =
103{
104	480,			/* Width */
105	640,			/* Height */
106	W100_PANEL_ROTATE_CW,   /* Rotate */
107};
108
109static int	w100lcd_match(device_t, cfdata_t, void *);
110static void	w100lcd_attach(device_t, device_t, void *);
111
112CFATTACH_DECL_NEW(w100lcd, sizeof(struct w100_softc),
113    w100lcd_match, w100lcd_attach, NULL, NULL);
114
115static bool	w100lcd_suspend(device_t, const pmf_qual_t *);
116static bool	w100lcd_resume(device_t, const pmf_qual_t *);
117
118static int
119w100lcd_match(device_t parent, cfdata_t cf, void *aux)
120{
121
122	if (ZAURUS_ISC860)
123		return 1;
124	return 0;
125}
126
127static void
128w100lcd_attach(device_t parent, device_t self, void *aux)
129{
130	struct w100_softc *sc = device_private(self);
131	struct pxaip_attach_args *pxa = (struct pxaip_attach_args *)aux;
132	struct wsemuldisplaydev_attach_args aa;
133
134	sc->dev = self;
135
136	w100_attach_subr(sc, pxa->pxa_iot, &lcd_panel_geometry_c700);
137
138	aa.console = glass_console;
139	aa.scrdata = &w100lcd_screen_list;
140	aa.accessops = &w100lcd_accessops;
141	aa.accesscookie = sc;
142
143	(void)config_found(self, &aa, wsemuldisplaydevprint);
144
145	if (!pmf_device_register(self, w100lcd_suspend, w100lcd_resume))
146		aprint_error_dev(self, "couldn't establish power handler\n");
147}
148
149void
150w100lcd_cnattach(void)
151{
152
153	if (ZAURUS_ISC860)
154		w100_cnattach(&w100lcd_std_screen, &lcd_panel_geometry_c700);
155}
156
157/*
158 * power management
159 */
160static bool
161w100lcd_suspend(device_t dv, const pmf_qual_t *qual)
162{
163	struct w100_softc *sc = device_private(dv);
164
165#if NLCDCTL > 0
166	lcdctl_onoff(false);
167#endif
168	w100_suspend(sc);
169
170	return true;
171}
172
173static bool
174w100lcd_resume(device_t dv, const pmf_qual_t *qual)
175{
176	struct w100_softc *sc = device_private(dv);
177
178	w100_resume(sc);
179#if NLCDCTL > 0
180	lcdctl_onoff(true);
181#endif
182
183	return true;
184}
185
186/*
187 * wsdisplay accessops overrides
188 */
189static int
190w100lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
191    struct lwp *l)
192{
193	struct w100_softc *sc = (struct w100_softc *)v;
194	struct hpcfb_fbconf *fbconf;
195	struct hpcfb_dspconf *dspconf;
196	int res = EINVAL;
197
198	switch (cmd) {
199#if NLCDCTL > 0
200	case WSDISPLAYIO_GETPARAM:
201	case WSDISPLAYIO_SETPARAM:
202		res = lcdctl_param(cmd, (struct wsdisplay_param *)data);
203		break;
204#endif
205	case HPCFBIO_GCONF:
206		fbconf = (struct hpcfb_fbconf *)data;
207		if (fbconf->hf_conf_index != 0 &&
208		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
209			break;
210		}
211
212		fbconf->hf_conf_index = 0;
213		fbconf->hf_nconfs = 1;
214		fbconf->hf_class = HPCFB_CLASS_RGBCOLOR;
215		strlcpy(fbconf->hf_name, "Sharp Zaurus frame buffer",
216		    sizeof(fbconf->hf_name));
217		strlcpy(fbconf->hf_conf_name, "default",
218		    sizeof(fbconf->hf_conf_name));
219		fbconf->hf_width = sc->display_width;
220		fbconf->hf_height = sc->display_height;
221		fbconf->hf_baseaddr = (u_long)sc->active->buf_va;
222		fbconf->hf_offset = 0;
223		fbconf->hf_bytes_per_line = sc->display_width *
224		    sc->active->depth / 8;
225		fbconf->hf_nplanes = 1;
226		fbconf->hf_bytes_per_plane = sc->display_width *
227		    sc->display_height * sc->active->depth / 8;
228		fbconf->hf_pack_width = sc->active->depth;
229		fbconf->hf_pixels_per_pack = 1;
230		fbconf->hf_pixel_width = sc->active->depth;
231		fbconf->hf_access_flags = (0
232					   | HPCFB_ACCESS_BYTE
233					   | HPCFB_ACCESS_WORD
234					   | HPCFB_ACCESS_DWORD);
235		fbconf->hf_order_flags = 0;
236		fbconf->hf_reg_offset = 0;
237
238		fbconf->hf_class_data_length = sizeof(struct hf_rgb_tag);
239		fbconf->hf_u.hf_rgb.hf_flags = 0;
240		fbconf->hf_u.hf_rgb.hf_red_width = 5;
241		fbconf->hf_u.hf_rgb.hf_red_shift = 11;
242		fbconf->hf_u.hf_rgb.hf_green_width = 6;
243		fbconf->hf_u.hf_rgb.hf_green_shift = 5;
244		fbconf->hf_u.hf_rgb.hf_blue_width = 5;
245		fbconf->hf_u.hf_rgb.hf_blue_shift = 0;
246		fbconf->hf_u.hf_rgb.hf_alpha_width = 0;
247		fbconf->hf_u.hf_rgb.hf_alpha_shift = 0;
248
249		fbconf->hf_ext_size = 0;
250		fbconf->hf_ext_data = NULL;
251
252		res = 0;
253		break;
254
255	case HPCFBIO_SCONF:
256		fbconf = (struct hpcfb_fbconf *)data;
257		if (fbconf->hf_conf_index != 0 &&
258		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
259			break;
260		}
261		/* nothing to do because we have only one configuration */
262		res = 0;
263		break;
264
265	case HPCFBIO_GDSPCONF:
266		dspconf = (struct hpcfb_dspconf *)data;
267		if ((dspconf->hd_unit_index != 0 &&
268		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
269		    (dspconf->hd_conf_index != 0 &&
270		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
271			break;
272		}
273
274		dspconf->hd_unit_index = 0;
275		dspconf->hd_nunits = 1;
276		dspconf->hd_class = HPCFB_DSP_CLASS_COLORLCD;
277		strlcpy(dspconf->hd_name, "Sharp Zaurus LCD",
278		    sizeof(dspconf->hd_name));
279		dspconf->hd_op_flags = 0;
280		dspconf->hd_conf_index = 0;
281		dspconf->hd_nconfs = 1;
282		strlcpy(dspconf->hd_conf_name, "default",
283		    sizeof(dspconf->hd_conf_name));
284		dspconf->hd_width = sc->display_width;
285		dspconf->hd_height = sc->display_height;
286		dspconf->hd_xdpi = HPCFB_DSP_DPI_UNKNOWN;
287		dspconf->hd_ydpi = HPCFB_DSP_DPI_UNKNOWN;
288
289		res = 0;
290		break;
291
292	case HPCFBIO_SDSPCONF:
293		dspconf = (struct hpcfb_dspconf *)data;
294		if ((dspconf->hd_unit_index != 0 &&
295		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
296		    (dspconf->hd_conf_index != 0 &&
297		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
298			break;
299		}
300		/*
301		 * nothing to do
302		 * because we have only one unit and one configuration
303		 */
304		res = 0;
305		break;
306
307	case HPCFBIO_GOP:
308	case HPCFBIO_SOP:
309		/* curently not implemented...  */
310		break;
311
312	default:
313		break;
314	}
315
316	if (res == EINVAL)
317		res = w100_ioctl(v, vs, cmd, data, flag, l);
318
319	return res;
320}
321
322static int
323w100lcd_show_screen(void *v, void *cookie, int waitok,
324    void (*cb_func)(void *, int, int), void *cb_arg)
325{
326	int error;
327
328	error = w100_show_screen(v, cookie, waitok, cb_func, cb_arg);
329	if (error)
330		return (error);
331
332	/* Turn on LCD */
333#if NLCDCTL > 0
334	lcdctl_onoff(true);
335#endif
336
337	return 0;
338}
339