imx51_ipuv3.c revision 266084
1/*-
2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
3 * Copyright (c) 2012, 2013 The FreeBSD Foundation
4 * All rights reserved.
5 *
6 * Portions of this software were developed by Oleksandr Rybalko
7 * under sponsorship from the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 */
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: stable/10/sys/arm/freescale/imx/imx51_ipuv3.c 266084 2014-05-14 19:18:58Z ian $");
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/bio.h>
37#include <sys/bus.h>
38#include <sys/conf.h>
39#include <sys/endian.h>
40#include <sys/kernel.h>
41#include <sys/kthread.h>
42#include <sys/lock.h>
43#include <sys/malloc.h>
44#include <sys/module.h>
45#include <sys/mutex.h>
46#include <sys/queue.h>
47#include <sys/resource.h>
48#include <sys/rman.h>
49#include <sys/time.h>
50#include <sys/timetc.h>
51#include <sys/fbio.h>
52#include <sys/consio.h>
53
54#include <sys/kdb.h>
55
56#include <machine/bus.h>
57#include <machine/cpu.h>
58#include <machine/cpufunc.h>
59#include <machine/fdt.h>
60#include <machine/resource.h>
61#include <machine/intr.h>
62
63#include <dev/fdt/fdt_common.h>
64#include <dev/ofw/ofw_bus.h>
65#include <dev/ofw/ofw_bus_subr.h>
66
67#include <dev/fb/fbreg.h>
68#include <dev/syscons/syscons.h>
69
70#include <arm/freescale/imx/imx51_ccmvar.h>
71
72#include <arm/freescale/imx/imx51_ipuv3reg.h>
73
74#define	IMX51_IPU_HSP_CLOCK	665000000
75#define	IPU3FB_FONT_HEIGHT	16
76
77struct ipu3sc_softc {
78	device_t		dev;
79	bus_addr_t		pbase;
80	bus_addr_t		vbase;
81
82	bus_space_tag_t		iot;
83	bus_space_handle_t	ioh;
84	bus_space_handle_t	cm_ioh;
85	bus_space_handle_t	dp_ioh;
86	bus_space_handle_t	di0_ioh;
87	bus_space_handle_t	di1_ioh;
88	bus_space_handle_t	dctmpl_ioh;
89	bus_space_handle_t	dc_ioh;
90	bus_space_handle_t	dmfc_ioh;
91	bus_space_handle_t	idmac_ioh;
92	bus_space_handle_t	cpmem_ioh;
93};
94
95struct video_adapter_softc {
96	/* Videoadpater part */
97	video_adapter_t	va;
98
99	intptr_t	fb_addr;
100	intptr_t	fb_paddr;
101	unsigned int	fb_size;
102
103	int		bpp;
104	int		depth;
105	unsigned int	height;
106	unsigned int	width;
107	unsigned int	stride;
108
109	unsigned int	xmargin;
110	unsigned int	ymargin;
111
112	unsigned char	*font;
113	int		initialized;
114};
115
116static struct ipu3sc_softc *ipu3sc_softc;
117static struct video_adapter_softc va_softc;
118
119/* FIXME: not only 2 bytes color supported */
120static uint16_t colors[16] = {
121	0x0000,	/* black */
122	0x001f,	/* blue */
123	0x07e0,	/* green */
124	0x07ff,	/* cyan */
125	0xf800,	/* red */
126	0xf81f,	/* magenta */
127	0x3800,	/* brown */
128	0xc618,	/* light grey */
129	0xc618,	/* XXX: dark grey */
130	0x001f,	/* XXX: light blue */
131	0x07e0,	/* XXX: light green */
132	0x07ff,	/* XXX: light cyan */
133	0xf800,	/* XXX: light red */
134	0xf81f,	/* XXX: light magenta */
135	0xffe0,	/* yellow */
136	0xffff,	/* white */
137};
138static uint32_t colors_24[16] = {
139	0x000000,/* Black	*/
140	0x000080,/* Blue	*/
141	0x008000,/* Green 	*/
142	0x008080,/* Cyan 	*/
143	0x800000,/* Red 	*/
144	0x800080,/* Magenta	*/
145	0xcc6600,/* brown	*/
146	0xC0C0C0,/* Silver 	*/
147	0x808080,/* Gray 	*/
148	0x0000FF,/* Light Blue 	*/
149	0x00FF00,/* Light Green */
150	0x00FFFF,/* Light Cyan 	*/
151	0xFF0000,/* Light Red 	*/
152	0xFF00FF,/* Light Magenta */
153	0xFFFF00,/* Yellow 	*/
154	0xFFFFFF,/* White 	*/
155
156
157};
158
159#define	IPUV3_READ(ipuv3, module, reg)					\
160	bus_space_read_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg))
161#define	IPUV3_WRITE(ipuv3, module, reg, val)				\
162	bus_space_write_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg), (val))
163
164#define	CPMEM_CHANNEL_OFFSET(_c)	((_c) * 0x40)
165#define	CPMEM_WORD_OFFSET(_w)		((_w) * 0x20)
166#define	CPMEM_DP_OFFSET(_d)		((_d) * 0x10000)
167#define	IMX_IPU_DP0		0
168#define	IMX_IPU_DP1		1
169#define	CPMEM_CHANNEL(_dp, _ch, _w)					\
170	    (CPMEM_DP_OFFSET(_dp) + CPMEM_CHANNEL_OFFSET(_ch) +		\
171		CPMEM_WORD_OFFSET(_w))
172#define	CPMEM_OFFSET(_dp, _ch, _w, _o)					\
173	    (CPMEM_CHANNEL((_dp), (_ch), (_w)) + (_o))
174
175#define	IPUV3_DEBUG 100
176
177#ifdef IPUV3_DEBUG
178#define	SUBMOD_DUMP_REG(_sc, _m, _l)					\
179	{								\
180		int i;							\
181		printf("*** " #_m " ***\n");				\
182		for (i = 0; i <= (_l); i += 4) {			\
183			if ((i % 32) == 0)				\
184				printf("%04x: ", i & 0xffff);		\
185			printf("0x%08x%c", IPUV3_READ((_sc), _m, i),	\
186			    ((i + 4) % 32)?' ':'\n');			\
187		}							\
188		printf("\n");						\
189	}
190#endif
191
192#ifdef IPUV3_DEBUG
193int ipuv3_debug = IPUV3_DEBUG;
194#define	DPRINTFN(n,x)   if (ipuv3_debug>(n)) printf x; else
195#else
196#define	DPRINTFN(n,x)
197#endif
198
199static int	ipu3_fb_probe(device_t);
200static int	ipu3_fb_attach(device_t);
201
202static int
203ipu3_fb_malloc(struct ipu3sc_softc *sc, size_t size)
204{
205
206	sc->vbase = (uint32_t)contigmalloc(size, M_DEVBUF, M_ZERO, 0, ~0,
207	    PAGE_SIZE, 0);
208	sc->pbase = vtophys(sc->vbase);
209
210	return (0);
211}
212
213static void
214ipu3_fb_init(void *arg)
215{
216	struct ipu3sc_softc *sc = arg;
217	struct video_adapter_softc *va_sc = &va_softc;
218	uint64_t w0sh96;
219	uint32_t w1sh96;
220
221	/* FW W0[137:125] - 96 = [41:29] */
222	/* FH W0[149:138] - 96 = [53:42] */
223	w0sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 16));
224	w0sh96 <<= 32;
225	w0sh96 |= IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 12));
226
227	va_sc->width = ((w0sh96 >> 29) & 0x1fff) + 1;
228	va_sc->height = ((w0sh96 >> 42) & 0x0fff) + 1;
229
230	/* SLY W1[115:102] - 96 = [19:6] */
231	w1sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 12));
232	va_sc->stride = ((w1sh96 >> 6) & 0x3fff) + 1;
233
234	printf("%dx%d [%d]\n", va_sc->width, va_sc->height, va_sc->stride);
235	va_sc->fb_size = va_sc->height * va_sc->stride;
236
237	ipu3_fb_malloc(sc, va_sc->fb_size);
238
239	/* DP1 + config_ch_23 + word_2 */
240	IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 0),
241	    ((sc->pbase >> 3) | ((sc->pbase >> 3) << 29)) & 0xffffffff);
242
243	IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 4),
244	    ((sc->pbase >> 3) >> 3) & 0xffffffff);
245
246	va_sc->fb_addr = (intptr_t)sc->vbase;
247	va_sc->fb_paddr = (intptr_t)sc->pbase;
248	va_sc->bpp = va_sc->stride / va_sc->width;
249	va_sc->depth = va_sc->bpp * 8;
250}
251
252static int
253ipu3_fb_probe(device_t dev)
254{
255	int error;
256
257	if (!ofw_bus_is_compatible(dev, "fsl,ipu3"))
258		return (ENXIO);
259
260	device_set_desc(dev, "i.MX515 Image Processing Unit (FB)");
261
262	error = sc_probe_unit(device_get_unit(dev),
263	    device_get_flags(dev) | SC_AUTODETECT_KBD);
264
265	if (error != 0)
266		return (error);
267
268	return (BUS_PROBE_DEFAULT);
269}
270
271static int
272ipu3_fb_attach(device_t dev)
273{
274	struct ipu3sc_softc *sc = device_get_softc(dev);
275	bus_space_tag_t iot;
276	bus_space_handle_t ioh;
277	int err;
278
279	if (ipu3sc_softc)
280		return (ENXIO);
281
282	ipu3sc_softc = sc;
283
284	device_printf(dev, "\tclock gate status is %d\n",
285	    imx51_get_clk_gating(IMX51CLK_IPU_HSP_CLK_ROOT));
286
287	sc->dev = dev;
288
289	err = (sc_attach_unit(device_get_unit(dev),
290	    device_get_flags(dev) | SC_AUTODETECT_KBD));
291
292	if (err) {
293		device_printf(dev, "failed to attach syscons\n");
294		goto fail;
295	}
296
297	sc = device_get_softc(dev);
298	sc->iot = iot = fdtbus_bs_tag;
299
300	device_printf(sc->dev, ": i.MX51 IPUV3 controller\n");
301
302	/* map controller registers */
303	err = bus_space_map(iot, IPU_CM_BASE, IPU_CM_SIZE, 0, &ioh);
304	if (err)
305		goto fail_retarn_cm;
306	sc->cm_ioh = ioh;
307
308	/* map Display Multi FIFO Controller registers */
309	err = bus_space_map(iot, IPU_DMFC_BASE, IPU_DMFC_SIZE, 0, &ioh);
310	if (err)
311		goto fail_retarn_dmfc;
312	sc->dmfc_ioh = ioh;
313
314	/* map Display Interface 0 registers */
315	err = bus_space_map(iot, IPU_DI0_BASE, IPU_DI0_SIZE, 0, &ioh);
316	if (err)
317		goto fail_retarn_di0;
318	sc->di0_ioh = ioh;
319
320	/* map Display Interface 1 registers */
321	err = bus_space_map(iot, IPU_DI1_BASE, IPU_DI0_SIZE, 0, &ioh);
322	if (err)
323		goto fail_retarn_di1;
324	sc->di1_ioh = ioh;
325
326	/* map Display Processor registers */
327	err = bus_space_map(iot, IPU_DP_BASE, IPU_DP_SIZE, 0, &ioh);
328	if (err)
329		goto fail_retarn_dp;
330	sc->dp_ioh = ioh;
331
332	/* map Display Controller registers */
333	err = bus_space_map(iot, IPU_DC_BASE, IPU_DC_SIZE, 0, &ioh);
334	if (err)
335		goto fail_retarn_dc;
336	sc->dc_ioh = ioh;
337
338	/* map Image DMA Controller registers */
339	err = bus_space_map(iot, IPU_IDMAC_BASE, IPU_IDMAC_SIZE, 0, &ioh);
340	if (err)
341		goto fail_retarn_idmac;
342	sc->idmac_ioh = ioh;
343
344	/* map CPMEM registers */
345	err = bus_space_map(iot, IPU_CPMEM_BASE, IPU_CPMEM_SIZE, 0, &ioh);
346	if (err)
347		goto fail_retarn_cpmem;
348	sc->cpmem_ioh = ioh;
349
350	/* map DCTEMPL registers */
351	err = bus_space_map(iot, IPU_DCTMPL_BASE, IPU_DCTMPL_SIZE, 0, &ioh);
352	if (err)
353		goto fail_retarn_dctmpl;
354	sc->dctmpl_ioh = ioh;
355
356#ifdef notyet
357	sc->ih = imx51_ipuv3_intr_establish(IMX51_INT_IPUV3, IPL_BIO,
358	    ipuv3intr, sc);
359	if (sc->ih == NULL) {
360		device_printf(sc->dev,
361		    "unable to establish interrupt at irq %d\n",
362		    IMX51_INT_IPUV3);
363		return (ENXIO);
364	}
365#endif
366
367	/*
368	 * We have to wait until interrupts are enabled.
369	 * Mailbox relies on it to get data from VideoCore
370	 */
371	ipu3_fb_init(sc);
372
373	return (0);
374
375fail:
376	return (ENXIO);
377fail_retarn_dctmpl:
378	bus_space_unmap(sc->iot, sc->cpmem_ioh, IPU_CPMEM_SIZE);
379fail_retarn_cpmem:
380	bus_space_unmap(sc->iot, sc->idmac_ioh, IPU_IDMAC_SIZE);
381fail_retarn_idmac:
382	bus_space_unmap(sc->iot, sc->dc_ioh, IPU_DC_SIZE);
383fail_retarn_dp:
384	bus_space_unmap(sc->iot, sc->dp_ioh, IPU_DP_SIZE);
385fail_retarn_dc:
386	bus_space_unmap(sc->iot, sc->di1_ioh, IPU_DI1_SIZE);
387fail_retarn_di1:
388	bus_space_unmap(sc->iot, sc->di0_ioh, IPU_DI0_SIZE);
389fail_retarn_di0:
390	bus_space_unmap(sc->iot, sc->dmfc_ioh, IPU_DMFC_SIZE);
391fail_retarn_dmfc:
392	bus_space_unmap(sc->iot, sc->dc_ioh, IPU_CM_SIZE);
393fail_retarn_cm:
394	device_printf(sc->dev,
395	    "failed to map registers (errno=%d)\n", err);
396	return (err);
397}
398
399static device_method_t ipu3_fb_methods[] = {
400	/* Device interface */
401	DEVMETHOD(device_probe,		ipu3_fb_probe),
402	DEVMETHOD(device_attach,	ipu3_fb_attach),
403
404	{ 0, 0 }
405};
406
407static devclass_t ipu3_fb_devclass;
408
409static driver_t ipu3_fb_driver = {
410	"fb",
411	ipu3_fb_methods,
412	sizeof(struct ipu3sc_softc),
413};
414
415DRIVER_MODULE(ipu3fb, simplebus, ipu3_fb_driver, ipu3_fb_devclass, 0, 0);
416
417/*
418 * Video driver routines and glue.
419 */
420static int			ipu3fb_configure(int);
421static vi_probe_t		ipu3fb_probe;
422static vi_init_t		ipu3fb_init;
423static vi_get_info_t		ipu3fb_get_info;
424static vi_query_mode_t		ipu3fb_query_mode;
425static vi_set_mode_t		ipu3fb_set_mode;
426static vi_save_font_t		ipu3fb_save_font;
427static vi_load_font_t		ipu3fb_load_font;
428static vi_show_font_t		ipu3fb_show_font;
429static vi_save_palette_t	ipu3fb_save_palette;
430static vi_load_palette_t	ipu3fb_load_palette;
431static vi_set_border_t		ipu3fb_set_border;
432static vi_save_state_t		ipu3fb_save_state;
433static vi_load_state_t		ipu3fb_load_state;
434static vi_set_win_org_t		ipu3fb_set_win_org;
435static vi_read_hw_cursor_t	ipu3fb_read_hw_cursor;
436static vi_set_hw_cursor_t	ipu3fb_set_hw_cursor;
437static vi_set_hw_cursor_shape_t	ipu3fb_set_hw_cursor_shape;
438static vi_blank_display_t	ipu3fb_blank_display;
439static vi_mmap_t		ipu3fb_mmap;
440static vi_ioctl_t		ipu3fb_ioctl;
441static vi_clear_t		ipu3fb_clear;
442static vi_fill_rect_t		ipu3fb_fill_rect;
443static vi_bitblt_t		ipu3fb_bitblt;
444static vi_diag_t		ipu3fb_diag;
445static vi_save_cursor_palette_t	ipu3fb_save_cursor_palette;
446static vi_load_cursor_palette_t	ipu3fb_load_cursor_palette;
447static vi_copy_t		ipu3fb_copy;
448static vi_putp_t		ipu3fb_putp;
449static vi_putc_t		ipu3fb_putc;
450static vi_puts_t		ipu3fb_puts;
451static vi_putm_t		ipu3fb_putm;
452
453static video_switch_t ipu3fbvidsw = {
454	.probe			= ipu3fb_probe,
455	.init			= ipu3fb_init,
456	.get_info		= ipu3fb_get_info,
457	.query_mode		= ipu3fb_query_mode,
458	.set_mode		= ipu3fb_set_mode,
459	.save_font		= ipu3fb_save_font,
460	.load_font		= ipu3fb_load_font,
461	.show_font		= ipu3fb_show_font,
462	.save_palette		= ipu3fb_save_palette,
463	.load_palette		= ipu3fb_load_palette,
464	.set_border		= ipu3fb_set_border,
465	.save_state		= ipu3fb_save_state,
466	.load_state		= ipu3fb_load_state,
467	.set_win_org		= ipu3fb_set_win_org,
468	.read_hw_cursor		= ipu3fb_read_hw_cursor,
469	.set_hw_cursor		= ipu3fb_set_hw_cursor,
470	.set_hw_cursor_shape	= ipu3fb_set_hw_cursor_shape,
471	.blank_display		= ipu3fb_blank_display,
472	.mmap			= ipu3fb_mmap,
473	.ioctl			= ipu3fb_ioctl,
474	.clear			= ipu3fb_clear,
475	.fill_rect		= ipu3fb_fill_rect,
476	.bitblt			= ipu3fb_bitblt,
477	.diag			= ipu3fb_diag,
478	.save_cursor_palette	= ipu3fb_save_cursor_palette,
479	.load_cursor_palette	= ipu3fb_load_cursor_palette,
480	.copy			= ipu3fb_copy,
481	.putp			= ipu3fb_putp,
482	.putc			= ipu3fb_putc,
483	.puts			= ipu3fb_puts,
484	.putm			= ipu3fb_putm,
485};
486
487VIDEO_DRIVER(ipu3fb, ipu3fbvidsw, ipu3fb_configure);
488
489extern sc_rndr_sw_t txtrndrsw;
490RENDERER(ipu3fb, 0, txtrndrsw, gfb_set);
491RENDERER_MODULE(ipu3fb, gfb_set);
492
493static uint16_t ipu3fb_static_window[ROW*COL];
494extern u_char dflt_font_16[];
495
496static int
497ipu3fb_configure(int flags)
498{
499	struct video_adapter_softc *sc;
500
501	sc = &va_softc;
502
503	if (sc->initialized)
504		return 0;
505
506	sc->width = 640;
507	sc->height = 480;
508	sc->bpp = 2;
509	sc->stride = sc->width * sc->bpp;
510
511	ipu3fb_init(0, &sc->va, 0);
512
513	sc->initialized = 1;
514
515	return (0);
516}
517
518static int
519ipu3fb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
520{
521
522	return (0);
523}
524
525static int
526ipu3fb_init(int unit, video_adapter_t *adp, int flags)
527{
528	struct video_adapter_softc *sc;
529	video_info_t *vi;
530
531	sc = (struct video_adapter_softc *)adp;
532	vi = &adp->va_info;
533
534	vid_init_struct(adp, "ipu3fb", -1, unit);
535
536	sc->font = dflt_font_16;
537	vi->vi_cheight = IPU3FB_FONT_HEIGHT;
538	vi->vi_cwidth = 8;
539	vi->vi_width = sc->width/8;
540	vi->vi_height = sc->height/vi->vi_cheight;
541
542	/*
543	 * Clamp width/height to syscons maximums
544	 */
545	if (vi->vi_width > COL)
546		vi->vi_width = COL;
547	if (vi->vi_height > ROW)
548		vi->vi_height = ROW;
549
550	sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
551	sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
552
553	adp->va_window = (vm_offset_t) ipu3fb_static_window;
554	adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
555	adp->va_line_width = sc->stride;
556	adp->va_buffer_size = sc->fb_size;
557
558	vid_register(&sc->va);
559
560	return (0);
561}
562
563static int
564ipu3fb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
565{
566
567	bcopy(&adp->va_info, info, sizeof(*info));
568	return (0);
569}
570
571static int
572ipu3fb_query_mode(video_adapter_t *adp, video_info_t *info)
573{
574
575	return (0);
576}
577
578static int
579ipu3fb_set_mode(video_adapter_t *adp, int mode)
580{
581
582	return (0);
583}
584
585static int
586ipu3fb_save_font(video_adapter_t *adp, int page, int size, int width,
587    u_char *data, int c, int count)
588{
589
590	return (0);
591}
592
593static int
594ipu3fb_load_font(video_adapter_t *adp, int page, int size, int width,
595    u_char *data, int c, int count)
596{
597	struct video_adapter_softc *sc;
598
599	sc = (struct video_adapter_softc *)adp;
600	sc->font = data;
601
602	return (0);
603}
604
605static int
606ipu3fb_show_font(video_adapter_t *adp, int page)
607{
608
609	return (0);
610}
611
612static int
613ipu3fb_save_palette(video_adapter_t *adp, u_char *palette)
614{
615
616	return (0);
617}
618
619static int
620ipu3fb_load_palette(video_adapter_t *adp, u_char *palette)
621{
622
623	return (0);
624}
625
626static int
627ipu3fb_set_border(video_adapter_t *adp, int border)
628{
629
630	return (ipu3fb_blank_display(adp, border));
631}
632
633static int
634ipu3fb_save_state(video_adapter_t *adp, void *p, size_t size)
635{
636
637	return (0);
638}
639
640static int
641ipu3fb_load_state(video_adapter_t *adp, void *p)
642{
643
644	return (0);
645}
646
647static int
648ipu3fb_set_win_org(video_adapter_t *adp, off_t offset)
649{
650
651	return (0);
652}
653
654static int
655ipu3fb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
656{
657
658	*col = *row = 0;
659	return (0);
660}
661
662static int
663ipu3fb_set_hw_cursor(video_adapter_t *adp, int col, int row)
664{
665
666	return (0);
667}
668
669static int
670ipu3fb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
671    int celsize, int blink)
672{
673
674	return (0);
675}
676
677static int
678ipu3fb_blank_display(video_adapter_t *adp, int mode)
679{
680
681	return (0);
682}
683
684static int
685ipu3fb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
686    int prot, vm_memattr_t *memattr)
687{
688	struct video_adapter_softc *sc;
689
690	sc = (struct video_adapter_softc *)adp;
691
692	/*
693	 * This might be a legacy VGA mem request: if so, just point it at the
694	 * framebuffer, since it shouldn't be touched
695	 */
696	if (offset < sc->stride * sc->height) {
697		*paddr = sc->fb_paddr + offset;
698		return (0);
699	}
700
701	return (EINVAL);
702}
703
704static int
705ipu3fb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
706{
707	struct video_adapter_softc *sc;
708	struct fbtype *fb;
709
710	sc = (struct video_adapter_softc *)adp;
711
712	switch (cmd) {
713	case FBIOGTYPE:
714		fb = (struct fbtype *)data;
715		fb->fb_type = FBTYPE_PCIMISC;
716		fb->fb_height = sc->height;
717		fb->fb_width = sc->width;
718		fb->fb_depth = sc->depth;
719		if (sc->depth <= 1 || sc->depth > 8)
720			fb->fb_cmsize = 0;
721		else
722			fb->fb_cmsize = 1 << sc->depth;
723		fb->fb_size = sc->fb_size;
724		break;
725	case FBIOSCURSOR:
726		return (ENODEV);
727	default:
728		return (fb_commonioctl(adp, cmd, data));
729	}
730
731	return (0);
732}
733
734static int
735ipu3fb_clear(video_adapter_t *adp)
736{
737
738	return (ipu3fb_blank_display(adp, 0));
739}
740
741static int
742ipu3fb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
743{
744
745	return (0);
746}
747
748static int
749ipu3fb_bitblt(video_adapter_t *adp, ...)
750{
751
752	return (0);
753}
754
755static int
756ipu3fb_diag(video_adapter_t *adp, int level)
757{
758
759	return (0);
760}
761
762static int
763ipu3fb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
764{
765
766	return (0);
767}
768
769static int
770ipu3fb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
771{
772
773	return (0);
774}
775
776static int
777ipu3fb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
778{
779
780	return (0);
781}
782
783static int
784ipu3fb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
785    int size, int bpp, int bit_ltor, int byte_ltor)
786{
787
788	return (0);
789}
790
791static int
792ipu3fb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
793{
794	struct video_adapter_softc *sc;
795	int col, row, bpp;
796	int b, i, j, k;
797	uint8_t *addr;
798	u_char *p;
799	uint32_t fg, bg, color;
800
801	sc = (struct video_adapter_softc *)adp;
802	bpp = sc->bpp;
803
804	if (sc->fb_addr == 0)
805		return (0);
806	row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
807	col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
808	p = sc->font + c * IPU3FB_FONT_HEIGHT;
809	addr = (uint8_t *)sc->fb_addr
810	    + (row + sc->ymargin) * (sc->stride)
811	    + bpp * (col + sc->xmargin);
812
813	if (bpp == 2) {
814		bg = colors[(a >> 4) & 0x0f];
815		fg = colors[a & 0x0f];
816	} else if (bpp == 3) {
817		bg = colors_24[(a >> 4) & 0x0f];
818		fg = colors_24[a & 0x0f];
819	} else {
820		return (ENXIO);
821	}
822
823	for (i = 0; i < IPU3FB_FONT_HEIGHT; i++) {
824		for (j = 0, k = 7; j < 8; j++, k--) {
825			if ((p[i] & (1 << k)) == 0)
826				color = bg;
827			else
828				color = fg;
829			/* FIXME: BPP maybe different */
830			for (b = 0; b < bpp; b ++)
831				addr[bpp * j + b] =
832				    (color >> (b << 3)) & 0xff;
833		}
834
835		addr += (sc->stride);
836	}
837
838        return (0);
839}
840
841static int
842ipu3fb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
843{
844	int i;
845
846	for (i = 0; i < len; i++)
847		ipu3fb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
848
849	return (0);
850}
851
852static int
853ipu3fb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
854    uint32_t pixel_mask, int size, int width)
855{
856
857	return (0);
858}
859
860/*
861 * Define a stub keyboard driver in case one hasn't been
862 * compiled into the kernel
863 */
864#include <sys/kbio.h>
865#include <dev/kbd/kbdreg.h>
866
867static int dummy_kbd_configure(int flags);
868
869keyboard_switch_t ipu3dummysw;
870
871static int
872dummy_kbd_configure(int flags)
873{
874
875	return (0);
876}
877KEYBOARD_DRIVER(ipu3dummy, ipu3dummysw, dummy_kbd_configure);
878