1/*-
2 * Copyright (c) 2011-2014 Nathan Whitehorn
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/sysctl.h>
34#include <sys/limits.h>
35#include <sys/conf.h>
36#include <sys/cons.h>
37#include <sys/fbio.h>
38
39#include <vm/vm.h>
40#include <vm/pmap.h>
41
42#include <machine/platform.h>
43#include <machine/pmap.h>
44
45#include <dev/vt/vt.h>
46#include <dev/vt/hw/fb/vt_fb.h>
47#include <dev/vt/colors/vt_termcolors.h>
48
49#include "ps3-hvcall.h"
50
51#define PS3FB_SIZE (4*1024*1024)
52
53#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET	0x0100
54#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC		0x0101
55#define  L1GPU_DISPLAY_SYNC_HSYNC			1
56#define  L1GPU_DISPLAY_SYNC_VSYNC			2
57#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP		0x0102
58
59static vd_init_t ps3fb_init;
60static vd_probe_t ps3fb_probe;
61void ps3fb_remap(void);
62
63struct ps3fb_softc {
64	struct fb_info	fb_info;
65
66	uint64_t	sc_fbhandle;
67	uint64_t	sc_fbcontext;
68	uint64_t	sc_dma_control;
69	uint64_t	sc_driver_info;
70	uint64_t	sc_reports;
71	uint64_t	sc_reports_size;
72};
73
74static struct vt_driver vt_ps3fb_driver = {
75	.vd_name = "ps3fb",
76	.vd_probe = ps3fb_probe,
77	.vd_init = ps3fb_init,
78	.vd_blank = vt_fb_blank,
79	.vd_bitblt_text = vt_fb_bitblt_text,
80	.vd_bitblt_bmp = vt_fb_bitblt_bitmap,
81	.vd_drawrect = vt_fb_drawrect,
82	.vd_setpixel = vt_fb_setpixel,
83	.vd_fb_ioctl = vt_fb_ioctl,
84	.vd_fb_mmap = vt_fb_mmap,
85	/* Better than VGA, but still generic driver. */
86	.vd_priority = VD_PRIORITY_GENERIC + 1,
87};
88
89VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
90static struct ps3fb_softc ps3fb_softc;
91
92static int
93ps3fb_probe(struct vt_device *vd)
94{
95	struct ps3fb_softc *sc;
96	int disable;
97	char compatible[64];
98#if 0
99	phandle_t root;
100#endif
101
102	disable = 0;
103	TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
104	if (disable != 0)
105		return (0);
106
107	sc = &ps3fb_softc;
108
109#if 0
110	root = OF_finddevice("/");
111	if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
112                return (0);
113
114	if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
115		return (0);
116#else
117	TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
118	if (strcmp(compatible, "ps3") != 0)
119		return (CN_DEAD);
120#endif
121
122	return (CN_INTERNAL);
123}
124
125void
126ps3fb_remap(void)
127{
128	struct ps3fb_softc *sc;
129	vm_offset_t va, fb_paddr;
130
131	sc = &ps3fb_softc;
132
133	lv1_gpu_close();
134	lv1_gpu_open(0);
135
136	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
137	    0,0,0,0);
138	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
139	    0,0,1,0);
140	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
141	    0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
142	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
143	    1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
144	lv1_gpu_memory_allocate(PS3FB_SIZE, 0, 0, 0, 0, &sc->sc_fbhandle,
145	    &fb_paddr);
146	lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
147	    &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
148	    &sc->sc_reports_size);
149
150	lv1_gpu_context_attribute(sc->sc_fbcontext,
151	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
152	lv1_gpu_context_attribute(sc->sc_fbcontext,
153	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
154
155	sc->fb_info.fb_pbase = fb_paddr;
156	for (va = 0; va < PS3FB_SIZE; va += PAGE_SIZE)
157		pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
158		    VM_MEMATTR_WRITE_COMBINING);
159}
160
161static int
162ps3fb_init(struct vt_device *vd)
163{
164	struct ps3fb_softc *sc;
165
166	/* Init softc */
167	vd->vd_softc = sc = &ps3fb_softc;
168
169	/* XXX: get from HV repository */
170	sc->fb_info.fb_depth = 32;
171	sc->fb_info.fb_height = 480;
172	sc->fb_info.fb_width = 720;
173	sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
174	sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
175	sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
176
177	/*
178	 * The loader puts the FB at 0x10000000, so use that for now.
179	 */
180
181	sc->fb_info.fb_vbase = 0x10000000;
182
183	/* 32-bit VGA palette */
184	vt_generate_cons_palette(sc->fb_info.fb_cmap, COLOR_FORMAT_RGB,
185	    255, 0, 255, 8, 255, 16);
186
187	/* Set correct graphics context */
188	lv1_gpu_context_attribute(sc->sc_fbcontext,
189	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
190	lv1_gpu_context_attribute(sc->sc_fbcontext,
191	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
192
193	vt_fb_init(vd);
194	sc->fb_info.fb_flags &= ~FB_FLAG_NOMMAP; /* Set wrongly by vt_fb_init */
195
196	return (CN_INTERNAL);
197}
198
199