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 265871 2014-05-11 05:49:35Z 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/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_bitbltchr = vt_fb_bitbltchr,
80 .vd_maskbitbltchr = vt_fb_maskbitbltchr,
81 /* Better than VGA, but still generic driver. */
82 .vd_priority = VD_PRIORITY_GENERIC + 1,
83};
84
85VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
86static struct ps3fb_softc ps3fb_softc;
87
88static int
89ps3fb_probe(struct vt_device *vd)
90{
91 struct ps3fb_softc *sc;
92 int disable;
93 char compatible[64];
94#if 0
95 phandle_t root;
96#endif
97
98 disable = 0;
99 TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
100 if (disable != 0)
101 return (0);
102
103 sc = &ps3fb_softc;
104
105#if 0
106 root = OF_finddevice("/");
107 if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
108 return (0);
109
110 if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
111 return (0);
112#else
113 TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
114 if (strcmp(compatible, "ps3") != 0)
115 return (CN_DEAD);
116#endif
117
118 return (CN_INTERNAL);
119}
120
121void
122ps3fb_remap(void)
123{
124 struct ps3fb_softc *sc;
125 vm_offset_t va, fb_paddr;
126
127 sc = &ps3fb_softc;
128
129 lv1_gpu_close();
130 lv1_gpu_open(0);
131
132 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
133 0,0,0,0);
134 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
135 0,0,1,0);
136 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
137 0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
138 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
139 1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
140 lv1_gpu_memory_allocate(PS3FB_SIZE, 0, 0, 0, 0, &sc->sc_fbhandle,
141 &fb_paddr);
142 lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
143 &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
144 &sc->sc_reports_size);
145
146 lv1_gpu_context_attribute(sc->sc_fbcontext,
147 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
148 lv1_gpu_context_attribute(sc->sc_fbcontext,
149 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
150
151 sc->fb_info.fb_pbase = fb_paddr;
152 for (va = 0; va < PS3FB_SIZE; va += PAGE_SIZE)
153 pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
154 VM_MEMATTR_WRITE_COMBINING);
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 sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
170 sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
171 sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
172
173 /*
174 * The loader puts the FB at 0x10000000, so use that for now.
175 */
176
177 sc->fb_info.fb_vbase = 0x10000000;
178
179 /* 32-bit VGA palette */
180 vt_generate_vga_palette(sc->fb_info.fb_cmap, COLOR_FORMAT_RGB,
181 255, 16, 255, 8, 255, 0);
182
183 /* Set correct graphics context */
184 lv1_gpu_context_attribute(sc->sc_fbcontext,
185 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
186 lv1_gpu_context_attribute(sc->sc_fbcontext,
187 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
188
189 fb_probe(&sc->fb_info);
190 vt_fb_init(vd);
191
192 /* Clear the screen. */
193 vt_fb_blank(vd, TC_BLACK);
194
195 return (CN_INTERNAL);
196}
197