ps3_syscons.c revision 279136
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: head/sys/powerpc/ps3/ps3_syscons.c 279136 2015-02-22 02:59:53Z nwhitehorn $");
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/ofw/openfirm.h>
46#include <dev/vt/vt.h>
47#include <dev/vt/hw/fb/vt_fb.h>
48#include <dev/vt/colors/vt_termcolors.h>
49
50#include "ps3-hvcall.h"
51
52#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET	0x0100
53#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC		0x0101
54#define  L1GPU_DISPLAY_SYNC_HSYNC			1
55#define  L1GPU_DISPLAY_SYNC_VSYNC			2
56#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP		0x0102
57
58static vd_init_t ps3fb_init;
59static vd_probe_t ps3fb_probe;
60void ps3fb_remap(void);
61
62struct ps3fb_softc {
63	struct fb_info	fb_info;
64
65	uint64_t	sc_fbhandle;
66	uint64_t	sc_fbcontext;
67	uint64_t	sc_dma_control;
68	uint64_t	sc_driver_info;
69	uint64_t	sc_reports;
70	uint64_t	sc_reports_size;
71};
72
73static struct vt_driver vt_ps3fb_driver = {
74	.vd_name = "ps3fb",
75	.vd_probe = ps3fb_probe,
76	.vd_init = ps3fb_init,
77	.vd_blank = vt_fb_blank,
78	.vd_bitblt_text = vt_fb_bitblt_text,
79	.vd_bitblt_bmp = vt_fb_bitblt_bitmap,
80	.vd_drawrect = vt_fb_drawrect,
81	.vd_setpixel = vt_fb_setpixel,
82	.vd_fb_ioctl = vt_fb_ioctl,
83	.vd_fb_mmap = vt_fb_mmap,
84	/* Better than VGA, but still generic driver. */
85	.vd_priority = VD_PRIORITY_GENERIC + 1,
86};
87
88VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
89static struct ps3fb_softc ps3fb_softc;
90
91static int
92ps3fb_probe(struct vt_device *vd)
93{
94	struct ps3fb_softc *sc;
95	int disable;
96	char compatible[64];
97	phandle_t root;
98
99	disable = 0;
100	TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
101	if (disable != 0)
102		return (0);
103
104	sc = &ps3fb_softc;
105
106	TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
107	if (strcmp(compatible, "ps3") == 0)
108		return (CN_INTERNAL);
109
110	root = OF_finddevice("/");
111	if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
112                return (CN_DEAD);
113
114	if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
115		return (CN_DEAD);
116
117	return (CN_INTERNAL);
118}
119
120void
121ps3fb_remap(void)
122{
123	struct ps3fb_softc *sc;
124	vm_offset_t va, fb_paddr;
125
126	sc = &ps3fb_softc;
127
128	lv1_gpu_close();
129	lv1_gpu_open(0);
130
131	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
132	    0,0,0,0);
133	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
134	    0,0,1,0);
135	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
136	    0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
137	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
138	    1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
139	lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
140	    0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
141	lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
142	    &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
143	    &sc->sc_reports_size);
144
145	lv1_gpu_context_attribute(sc->sc_fbcontext,
146	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
147	lv1_gpu_context_attribute(sc->sc_fbcontext,
148	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
149
150	sc->fb_info.fb_pbase = fb_paddr;
151	for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
152		pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
153		    VM_MEMATTR_WRITE_COMBINING);
154	sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
155}
156
157static int
158ps3fb_init(struct vt_device *vd)
159{
160	struct ps3fb_softc *sc;
161
162	/* Init softc */
163	vd->vd_softc = sc = &ps3fb_softc;
164
165	/* XXX: get from HV repository */
166	sc->fb_info.fb_depth = 32;
167	sc->fb_info.fb_height = 480;
168	sc->fb_info.fb_width = 720;
169	TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
170	TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
171	sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
172	sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
173	sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
174
175	/*
176	 * Arbitrarily choose address for the framebuffer
177	 */
178
179	sc->fb_info.fb_vbase = 0x10000000;
180	sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
181	sc->fb_info.fb_cmsize = 16;
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