imx51_ipuv3.c revision 308325
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/11/sys/arm/freescale/imx/imx51_ipuv3.c 308325 2016-11-05 04:30:44Z mmel $");
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 <vm/vm.h>
57#include <vm/pmap.h>
58
59#include <machine/bus.h>
60#include <machine/fdt.h>
61#include <machine/resource.h>
62#include <machine/intr.h>
63
64#include <dev/fdt/fdt_common.h>
65#include <dev/ofw/ofw_bus.h>
66#include <dev/ofw/ofw_bus_subr.h>
67
68#include <dev/fb/fbreg.h>
69#include <dev/syscons/syscons.h>
70
71#include <arm/freescale/imx/imx51_ccmvar.h>
72
73#include <arm/freescale/imx/imx51_ipuv3reg.h>
74
75#define	IMX51_IPU_HSP_CLOCK	665000000
76#define	IPU3FB_FONT_HEIGHT	16
77
78struct ipu3sc_softc {
79	device_t		dev;
80	bus_addr_t		pbase;
81	bus_addr_t		vbase;
82
83	bus_space_tag_t		iot;
84	bus_space_handle_t	ioh;
85	bus_space_handle_t	cm_ioh;
86	bus_space_handle_t	dp_ioh;
87	bus_space_handle_t	di0_ioh;
88	bus_space_handle_t	di1_ioh;
89	bus_space_handle_t	dctmpl_ioh;
90	bus_space_handle_t	dc_ioh;
91	bus_space_handle_t	dmfc_ioh;
92	bus_space_handle_t	idmac_ioh;
93	bus_space_handle_t	cpmem_ioh;
94};
95
96struct video_adapter_softc {
97	/* Videoadpater part */
98	video_adapter_t	va;
99
100	intptr_t	fb_addr;
101	intptr_t	fb_paddr;
102	unsigned int	fb_size;
103
104	int		bpp;
105	int		depth;
106	unsigned int	height;
107	unsigned int	width;
108	unsigned int	stride;
109
110	unsigned int	xmargin;
111	unsigned int	ymargin;
112
113	unsigned char	*font;
114	int		initialized;
115};
116
117static struct ipu3sc_softc *ipu3sc_softc;
118static struct video_adapter_softc va_softc;
119
120/* FIXME: not only 2 bytes color supported */
121static uint16_t colors[16] = {
122	0x0000,	/* black */
123	0x001f,	/* blue */
124	0x07e0,	/* green */
125	0x07ff,	/* cyan */
126	0xf800,	/* red */
127	0xf81f,	/* magenta */
128	0x3800,	/* brown */
129	0xc618,	/* light grey */
130	0xc618,	/* XXX: dark grey */
131	0x001f,	/* XXX: light blue */
132	0x07e0,	/* XXX: light green */
133	0x07ff,	/* XXX: light cyan */
134	0xf800,	/* XXX: light red */
135	0xf81f,	/* XXX: light magenta */
136	0xffe0,	/* yellow */
137	0xffff,	/* white */
138};
139static uint32_t colors_24[16] = {
140	0x000000,/* Black	*/
141	0x000080,/* Blue	*/
142	0x008000,/* Green 	*/
143	0x008080,/* Cyan 	*/
144	0x800000,/* Red 	*/
145	0x800080,/* Magenta	*/
146	0xcc6600,/* brown	*/
147	0xC0C0C0,/* Silver 	*/
148	0x808080,/* Gray 	*/
149	0x0000FF,/* Light Blue 	*/
150	0x00FF00,/* Light Green */
151	0x00FFFF,/* Light Cyan 	*/
152	0xFF0000,/* Light Red 	*/
153	0xFF00FF,/* Light Magenta */
154	0xFFFF00,/* Yellow 	*/
155	0xFFFFFF,/* White 	*/
156
157
158};
159
160#define	IPUV3_READ(ipuv3, module, reg)					\
161	bus_space_read_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg))
162#define	IPUV3_WRITE(ipuv3, module, reg, val)				\
163	bus_space_write_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg), (val))
164
165#define	CPMEM_CHANNEL_OFFSET(_c)	((_c) * 0x40)
166#define	CPMEM_WORD_OFFSET(_w)		((_w) * 0x20)
167#define	CPMEM_DP_OFFSET(_d)		((_d) * 0x10000)
168#define	IMX_IPU_DP0		0
169#define	IMX_IPU_DP1		1
170#define	CPMEM_CHANNEL(_dp, _ch, _w)					\
171	    (CPMEM_DP_OFFSET(_dp) + CPMEM_CHANNEL_OFFSET(_ch) +		\
172		CPMEM_WORD_OFFSET(_w))
173#define	CPMEM_OFFSET(_dp, _ch, _w, _o)					\
174	    (CPMEM_CHANNEL((_dp), (_ch), (_w)) + (_o))
175
176#define	IPUV3_DEBUG 100
177
178#ifdef IPUV3_DEBUG
179#define	SUBMOD_DUMP_REG(_sc, _m, _l)					\
180	{								\
181		int i;							\
182		printf("*** " #_m " ***\n");				\
183		for (i = 0; i <= (_l); i += 4) {			\
184			if ((i % 32) == 0)				\
185				printf("%04x: ", i & 0xffff);		\
186			printf("0x%08x%c", IPUV3_READ((_sc), _m, i),	\
187			    ((i + 4) % 32)?' ':'\n');			\
188		}							\
189		printf("\n");						\
190	}
191#endif
192
193#ifdef IPUV3_DEBUG
194int ipuv3_debug = IPUV3_DEBUG;
195#define	DPRINTFN(n,x)   if (ipuv3_debug>(n)) printf x; else
196#else
197#define	DPRINTFN(n,x)
198#endif
199
200static int	ipu3_fb_probe(device_t);
201static int	ipu3_fb_attach(device_t);
202
203static int
204ipu3_fb_malloc(struct ipu3sc_softc *sc, size_t size)
205{
206
207	sc->vbase = (uint32_t)contigmalloc(size, M_DEVBUF, M_ZERO, 0, ~0,
208	    PAGE_SIZE, 0);
209	sc->pbase = vtophys(sc->vbase);
210
211	return (0);
212}
213
214static void
215ipu3_fb_init(void *arg)
216{
217	struct ipu3sc_softc *sc = arg;
218	struct video_adapter_softc *va_sc = &va_softc;
219	uint64_t w0sh96;
220	uint32_t w1sh96;
221
222	/* FW W0[137:125] - 96 = [41:29] */
223	/* FH W0[149:138] - 96 = [53:42] */
224	w0sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 16));
225	w0sh96 <<= 32;
226	w0sh96 |= IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 12));
227
228	va_sc->width = ((w0sh96 >> 29) & 0x1fff) + 1;
229	va_sc->height = ((w0sh96 >> 42) & 0x0fff) + 1;
230
231	/* SLY W1[115:102] - 96 = [19:6] */
232	w1sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 12));
233	va_sc->stride = ((w1sh96 >> 6) & 0x3fff) + 1;
234
235	printf("%dx%d [%d]\n", va_sc->width, va_sc->height, va_sc->stride);
236	va_sc->fb_size = va_sc->height * va_sc->stride;
237
238	ipu3_fb_malloc(sc, va_sc->fb_size);
239
240	/* DP1 + config_ch_23 + word_2 */
241	IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 0),
242	    ((sc->pbase >> 3) | ((sc->pbase >> 3) << 29)) & 0xffffffff);
243
244	IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 4),
245	    ((sc->pbase >> 3) >> 3) & 0xffffffff);
246
247	va_sc->fb_addr = (intptr_t)sc->vbase;
248	va_sc->fb_paddr = (intptr_t)sc->pbase;
249	va_sc->bpp = va_sc->stride / va_sc->width;
250	va_sc->depth = va_sc->bpp * 8;
251}
252
253static int
254ipu3_fb_probe(device_t dev)
255{
256	int error;
257
258	if (!ofw_bus_status_okay(dev))
259		return (ENXIO);
260
261	if (!ofw_bus_is_compatible(dev, "fsl,ipu3"))
262		return (ENXIO);
263
264	device_set_desc(dev, "i.MX5x Image Processing Unit v3 (FB)");
265
266	error = sc_probe_unit(device_get_unit(dev),
267	    device_get_flags(dev) | SC_AUTODETECT_KBD);
268
269	if (error != 0)
270		return (error);
271
272	return (BUS_PROBE_DEFAULT);
273}
274
275static int
276ipu3_fb_attach(device_t dev)
277{
278	struct ipu3sc_softc *sc = device_get_softc(dev);
279	bus_space_tag_t iot;
280	bus_space_handle_t ioh;
281	phandle_t node;
282	pcell_t reg;
283	int err;
284	uintptr_t base;
285
286	if (ipu3sc_softc)
287		return (ENXIO);
288
289	ipu3sc_softc = sc;
290
291	if (bootverbose)
292		device_printf(dev, "clock gate status is %d\n",
293		    imx51_get_clk_gating(IMX51CLK_IPU_HSP_CLK_ROOT));
294
295	sc->dev = dev;
296
297	err = (sc_attach_unit(device_get_unit(dev),
298	    device_get_flags(dev) | SC_AUTODETECT_KBD));
299
300	if (err) {
301		device_printf(dev, "failed to attach syscons\n");
302		goto fail;
303	}
304
305	sc = device_get_softc(dev);
306	sc->iot = iot = fdtbus_bs_tag;
307
308	/*
309	 * Retrieve the device address based on the start address in the
310	 * DTS.  The DTS for i.MX51 specifies 0x5e000000 as the first register
311	 * address, so we just subtract IPU_CM_BASE to get the offset at which
312	 * the IPU device was memory mapped.
313	 * On i.MX53, the offset is 0.
314	 */
315	node = ofw_bus_get_node(dev);
316	if ((OF_getprop(node, "reg", &reg, sizeof(reg))) <= 0)
317		base = 0;
318	else
319		base = fdt32_to_cpu(reg) - IPU_CM_BASE(0);
320	/* map controller registers */
321	err = bus_space_map(iot, IPU_CM_BASE(base), IPU_CM_SIZE, 0, &ioh);
322	if (err)
323		goto fail_retarn_cm;
324	sc->cm_ioh = ioh;
325
326	/* map Display Multi FIFO Controller registers */
327	err = bus_space_map(iot, IPU_DMFC_BASE(base), IPU_DMFC_SIZE, 0, &ioh);
328	if (err)
329		goto fail_retarn_dmfc;
330	sc->dmfc_ioh = ioh;
331
332	/* map Display Interface 0 registers */
333	err = bus_space_map(iot, IPU_DI0_BASE(base), IPU_DI0_SIZE, 0, &ioh);
334	if (err)
335		goto fail_retarn_di0;
336	sc->di0_ioh = ioh;
337
338	/* map Display Interface 1 registers */
339	err = bus_space_map(iot, IPU_DI1_BASE(base), IPU_DI0_SIZE, 0, &ioh);
340	if (err)
341		goto fail_retarn_di1;
342	sc->di1_ioh = ioh;
343
344	/* map Display Processor registers */
345	err = bus_space_map(iot, IPU_DP_BASE(base), IPU_DP_SIZE, 0, &ioh);
346	if (err)
347		goto fail_retarn_dp;
348	sc->dp_ioh = ioh;
349
350	/* map Display Controller registers */
351	err = bus_space_map(iot, IPU_DC_BASE(base), IPU_DC_SIZE, 0, &ioh);
352	if (err)
353		goto fail_retarn_dc;
354	sc->dc_ioh = ioh;
355
356	/* map Image DMA Controller registers */
357	err = bus_space_map(iot, IPU_IDMAC_BASE(base), IPU_IDMAC_SIZE, 0,
358	    &ioh);
359	if (err)
360		goto fail_retarn_idmac;
361	sc->idmac_ioh = ioh;
362
363	/* map CPMEM registers */
364	err = bus_space_map(iot, IPU_CPMEM_BASE(base), IPU_CPMEM_SIZE, 0,
365	    &ioh);
366	if (err)
367		goto fail_retarn_cpmem;
368	sc->cpmem_ioh = ioh;
369
370	/* map DCTEMPL registers */
371	err = bus_space_map(iot, IPU_DCTMPL_BASE(base), IPU_DCTMPL_SIZE, 0,
372	    &ioh);
373	if (err)
374		goto fail_retarn_dctmpl;
375	sc->dctmpl_ioh = ioh;
376
377#ifdef notyet
378	sc->ih = imx51_ipuv3_intr_establish(IMX51_INT_IPUV3, IPL_BIO,
379	    ipuv3intr, sc);
380	if (sc->ih == NULL) {
381		device_printf(sc->dev,
382		    "unable to establish interrupt at irq %d\n",
383		    IMX51_INT_IPUV3);
384		return (ENXIO);
385	}
386#endif
387
388	/*
389	 * We have to wait until interrupts are enabled.
390	 * Mailbox relies on it to get data from VideoCore
391	 */
392	ipu3_fb_init(sc);
393
394	return (0);
395
396fail:
397	return (ENXIO);
398fail_retarn_dctmpl:
399	bus_space_unmap(sc->iot, sc->cpmem_ioh, IPU_CPMEM_SIZE);
400fail_retarn_cpmem:
401	bus_space_unmap(sc->iot, sc->idmac_ioh, IPU_IDMAC_SIZE);
402fail_retarn_idmac:
403	bus_space_unmap(sc->iot, sc->dc_ioh, IPU_DC_SIZE);
404fail_retarn_dp:
405	bus_space_unmap(sc->iot, sc->dp_ioh, IPU_DP_SIZE);
406fail_retarn_dc:
407	bus_space_unmap(sc->iot, sc->di1_ioh, IPU_DI1_SIZE);
408fail_retarn_di1:
409	bus_space_unmap(sc->iot, sc->di0_ioh, IPU_DI0_SIZE);
410fail_retarn_di0:
411	bus_space_unmap(sc->iot, sc->dmfc_ioh, IPU_DMFC_SIZE);
412fail_retarn_dmfc:
413	bus_space_unmap(sc->iot, sc->dc_ioh, IPU_CM_SIZE);
414fail_retarn_cm:
415	device_printf(sc->dev,
416	    "failed to map registers (errno=%d)\n", err);
417	return (err);
418}
419
420static device_method_t ipu3_fb_methods[] = {
421	/* Device interface */
422	DEVMETHOD(device_probe,		ipu3_fb_probe),
423	DEVMETHOD(device_attach,	ipu3_fb_attach),
424
425	{ 0, 0 }
426};
427
428static devclass_t ipu3_fb_devclass;
429
430static driver_t ipu3_fb_driver = {
431	"fb",
432	ipu3_fb_methods,
433	sizeof(struct ipu3sc_softc),
434};
435
436DRIVER_MODULE(ipu3fb, simplebus, ipu3_fb_driver, ipu3_fb_devclass, 0, 0);
437
438/*
439 * Video driver routines and glue.
440 */
441static int			ipu3fb_configure(int);
442static vi_probe_t		ipu3fb_probe;
443static vi_init_t		ipu3fb_init;
444static vi_get_info_t		ipu3fb_get_info;
445static vi_query_mode_t		ipu3fb_query_mode;
446static vi_set_mode_t		ipu3fb_set_mode;
447static vi_save_font_t		ipu3fb_save_font;
448static vi_load_font_t		ipu3fb_load_font;
449static vi_show_font_t		ipu3fb_show_font;
450static vi_save_palette_t	ipu3fb_save_palette;
451static vi_load_palette_t	ipu3fb_load_palette;
452static vi_set_border_t		ipu3fb_set_border;
453static vi_save_state_t		ipu3fb_save_state;
454static vi_load_state_t		ipu3fb_load_state;
455static vi_set_win_org_t		ipu3fb_set_win_org;
456static vi_read_hw_cursor_t	ipu3fb_read_hw_cursor;
457static vi_set_hw_cursor_t	ipu3fb_set_hw_cursor;
458static vi_set_hw_cursor_shape_t	ipu3fb_set_hw_cursor_shape;
459static vi_blank_display_t	ipu3fb_blank_display;
460static vi_mmap_t		ipu3fb_mmap;
461static vi_ioctl_t		ipu3fb_ioctl;
462static vi_clear_t		ipu3fb_clear;
463static vi_fill_rect_t		ipu3fb_fill_rect;
464static vi_bitblt_t		ipu3fb_bitblt;
465static vi_diag_t		ipu3fb_diag;
466static vi_save_cursor_palette_t	ipu3fb_save_cursor_palette;
467static vi_load_cursor_palette_t	ipu3fb_load_cursor_palette;
468static vi_copy_t		ipu3fb_copy;
469static vi_putp_t		ipu3fb_putp;
470static vi_putc_t		ipu3fb_putc;
471static vi_puts_t		ipu3fb_puts;
472static vi_putm_t		ipu3fb_putm;
473
474static video_switch_t ipu3fbvidsw = {
475	.probe			= ipu3fb_probe,
476	.init			= ipu3fb_init,
477	.get_info		= ipu3fb_get_info,
478	.query_mode		= ipu3fb_query_mode,
479	.set_mode		= ipu3fb_set_mode,
480	.save_font		= ipu3fb_save_font,
481	.load_font		= ipu3fb_load_font,
482	.show_font		= ipu3fb_show_font,
483	.save_palette		= ipu3fb_save_palette,
484	.load_palette		= ipu3fb_load_palette,
485	.set_border		= ipu3fb_set_border,
486	.save_state		= ipu3fb_save_state,
487	.load_state		= ipu3fb_load_state,
488	.set_win_org		= ipu3fb_set_win_org,
489	.read_hw_cursor		= ipu3fb_read_hw_cursor,
490	.set_hw_cursor		= ipu3fb_set_hw_cursor,
491	.set_hw_cursor_shape	= ipu3fb_set_hw_cursor_shape,
492	.blank_display		= ipu3fb_blank_display,
493	.mmap			= ipu3fb_mmap,
494	.ioctl			= ipu3fb_ioctl,
495	.clear			= ipu3fb_clear,
496	.fill_rect		= ipu3fb_fill_rect,
497	.bitblt			= ipu3fb_bitblt,
498	.diag			= ipu3fb_diag,
499	.save_cursor_palette	= ipu3fb_save_cursor_palette,
500	.load_cursor_palette	= ipu3fb_load_cursor_palette,
501	.copy			= ipu3fb_copy,
502	.putp			= ipu3fb_putp,
503	.putc			= ipu3fb_putc,
504	.puts			= ipu3fb_puts,
505	.putm			= ipu3fb_putm,
506};
507
508VIDEO_DRIVER(ipu3fb, ipu3fbvidsw, ipu3fb_configure);
509
510extern sc_rndr_sw_t txtrndrsw;
511RENDERER(ipu3fb, 0, txtrndrsw, gfb_set);
512RENDERER_MODULE(ipu3fb, gfb_set);
513
514static uint16_t ipu3fb_static_window[ROW*COL];
515extern u_char dflt_font_16[];
516
517static int
518ipu3fb_configure(int flags)
519{
520	struct video_adapter_softc *sc;
521
522	sc = &va_softc;
523
524	if (sc->initialized)
525		return 0;
526
527	sc->width = 640;
528	sc->height = 480;
529	sc->bpp = 2;
530	sc->stride = sc->width * sc->bpp;
531
532	ipu3fb_init(0, &sc->va, 0);
533
534	sc->initialized = 1;
535
536	return (0);
537}
538
539static int
540ipu3fb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
541{
542
543	return (0);
544}
545
546static int
547ipu3fb_init(int unit, video_adapter_t *adp, int flags)
548{
549	struct video_adapter_softc *sc;
550	video_info_t *vi;
551
552	sc = (struct video_adapter_softc *)adp;
553	vi = &adp->va_info;
554
555	vid_init_struct(adp, "ipu3fb", -1, unit);
556
557	sc->font = dflt_font_16;
558	vi->vi_cheight = IPU3FB_FONT_HEIGHT;
559	vi->vi_cwidth = 8;
560	vi->vi_width = sc->width/8;
561	vi->vi_height = sc->height/vi->vi_cheight;
562
563	/*
564	 * Clamp width/height to syscons maximums
565	 */
566	if (vi->vi_width > COL)
567		vi->vi_width = COL;
568	if (vi->vi_height > ROW)
569		vi->vi_height = ROW;
570
571	sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
572	sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
573
574	adp->va_window = (vm_offset_t) ipu3fb_static_window;
575	adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
576	adp->va_line_width = sc->stride;
577	adp->va_buffer_size = sc->fb_size;
578
579	vid_register(&sc->va);
580
581	return (0);
582}
583
584static int
585ipu3fb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
586{
587
588	bcopy(&adp->va_info, info, sizeof(*info));
589	return (0);
590}
591
592static int
593ipu3fb_query_mode(video_adapter_t *adp, video_info_t *info)
594{
595
596	return (0);
597}
598
599static int
600ipu3fb_set_mode(video_adapter_t *adp, int mode)
601{
602
603	return (0);
604}
605
606static int
607ipu3fb_save_font(video_adapter_t *adp, int page, int size, int width,
608    u_char *data, int c, int count)
609{
610
611	return (0);
612}
613
614static int
615ipu3fb_load_font(video_adapter_t *adp, int page, int size, int width,
616    u_char *data, int c, int count)
617{
618	struct video_adapter_softc *sc;
619
620	sc = (struct video_adapter_softc *)adp;
621	sc->font = data;
622
623	return (0);
624}
625
626static int
627ipu3fb_show_font(video_adapter_t *adp, int page)
628{
629
630	return (0);
631}
632
633static int
634ipu3fb_save_palette(video_adapter_t *adp, u_char *palette)
635{
636
637	return (0);
638}
639
640static int
641ipu3fb_load_palette(video_adapter_t *adp, u_char *palette)
642{
643
644	return (0);
645}
646
647static int
648ipu3fb_set_border(video_adapter_t *adp, int border)
649{
650
651	return (ipu3fb_blank_display(adp, border));
652}
653
654static int
655ipu3fb_save_state(video_adapter_t *adp, void *p, size_t size)
656{
657
658	return (0);
659}
660
661static int
662ipu3fb_load_state(video_adapter_t *adp, void *p)
663{
664
665	return (0);
666}
667
668static int
669ipu3fb_set_win_org(video_adapter_t *adp, off_t offset)
670{
671
672	return (0);
673}
674
675static int
676ipu3fb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
677{
678
679	*col = *row = 0;
680	return (0);
681}
682
683static int
684ipu3fb_set_hw_cursor(video_adapter_t *adp, int col, int row)
685{
686
687	return (0);
688}
689
690static int
691ipu3fb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
692    int celsize, int blink)
693{
694
695	return (0);
696}
697
698static int
699ipu3fb_blank_display(video_adapter_t *adp, int mode)
700{
701
702	return (0);
703}
704
705static int
706ipu3fb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
707    int prot, vm_memattr_t *memattr)
708{
709	struct video_adapter_softc *sc;
710
711	sc = (struct video_adapter_softc *)adp;
712
713	/*
714	 * This might be a legacy VGA mem request: if so, just point it at the
715	 * framebuffer, since it shouldn't be touched
716	 */
717	if (offset < sc->stride * sc->height) {
718		*paddr = sc->fb_paddr + offset;
719		return (0);
720	}
721
722	return (EINVAL);
723}
724
725static int
726ipu3fb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
727{
728	struct video_adapter_softc *sc;
729	struct fbtype *fb;
730
731	sc = (struct video_adapter_softc *)adp;
732
733	switch (cmd) {
734	case FBIOGTYPE:
735		fb = (struct fbtype *)data;
736		fb->fb_type = FBTYPE_PCIMISC;
737		fb->fb_height = sc->height;
738		fb->fb_width = sc->width;
739		fb->fb_depth = sc->depth;
740		if (sc->depth <= 1 || sc->depth > 8)
741			fb->fb_cmsize = 0;
742		else
743			fb->fb_cmsize = 1 << sc->depth;
744		fb->fb_size = sc->fb_size;
745		break;
746	case FBIOSCURSOR:
747		return (ENODEV);
748	default:
749		return (fb_commonioctl(adp, cmd, data));
750	}
751
752	return (0);
753}
754
755static int
756ipu3fb_clear(video_adapter_t *adp)
757{
758
759	return (ipu3fb_blank_display(adp, 0));
760}
761
762static int
763ipu3fb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
764{
765
766	return (0);
767}
768
769static int
770ipu3fb_bitblt(video_adapter_t *adp, ...)
771{
772
773	return (0);
774}
775
776static int
777ipu3fb_diag(video_adapter_t *adp, int level)
778{
779
780	return (0);
781}
782
783static int
784ipu3fb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
785{
786
787	return (0);
788}
789
790static int
791ipu3fb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
792{
793
794	return (0);
795}
796
797static int
798ipu3fb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
799{
800
801	return (0);
802}
803
804static int
805ipu3fb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
806    int size, int bpp, int bit_ltor, int byte_ltor)
807{
808
809	return (0);
810}
811
812static int
813ipu3fb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
814{
815	struct video_adapter_softc *sc;
816	int col, row, bpp;
817	int b, i, j, k;
818	uint8_t *addr;
819	u_char *p;
820	uint32_t fg, bg, color;
821
822	sc = (struct video_adapter_softc *)adp;
823	bpp = sc->bpp;
824
825	if (sc->fb_addr == 0)
826		return (0);
827	row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
828	col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
829	p = sc->font + c * IPU3FB_FONT_HEIGHT;
830	addr = (uint8_t *)sc->fb_addr
831	    + (row + sc->ymargin) * (sc->stride)
832	    + bpp * (col + sc->xmargin);
833
834	if (bpp == 2) {
835		bg = colors[(a >> 4) & 0x0f];
836		fg = colors[a & 0x0f];
837	} else if (bpp == 3) {
838		bg = colors_24[(a >> 4) & 0x0f];
839		fg = colors_24[a & 0x0f];
840	} else {
841		return (ENXIO);
842	}
843
844	for (i = 0; i < IPU3FB_FONT_HEIGHT; i++) {
845		for (j = 0, k = 7; j < 8; j++, k--) {
846			if ((p[i] & (1 << k)) == 0)
847				color = bg;
848			else
849				color = fg;
850			/* FIXME: BPP maybe different */
851			for (b = 0; b < bpp; b ++)
852				addr[bpp * j + b] =
853				    (color >> (b << 3)) & 0xff;
854		}
855
856		addr += (sc->stride);
857	}
858
859        return (0);
860}
861
862static int
863ipu3fb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
864{
865	int i;
866
867	for (i = 0; i < len; i++)
868		ipu3fb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
869
870	return (0);
871}
872
873static int
874ipu3fb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
875    uint32_t pixel_mask, int size, int width)
876{
877
878	return (0);
879}
880
881/*
882 * Define a stub keyboard driver in case one hasn't been
883 * compiled into the kernel
884 */
885#include <sys/kbio.h>
886#include <dev/kbd/kbdreg.h>
887
888static int dummy_kbd_configure(int flags);
889
890keyboard_switch_t ipu3dummysw;
891
892static int
893dummy_kbd_configure(int flags)
894{
895
896	return (0);
897}
898KEYBOARD_DRIVER(ipu3dummy, ipu3dummysw, dummy_kbd_configure);
899