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: releng/10.1/sys/powerpc/ps3/ps3_syscons.c 271769 2014-09-18 14:38:18Z dumbbell $");
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
59 static vd_init_t ps3fb_init;
60 static vd_probe_t ps3fb_probe;
61 void ps3fb_remap(void);
62
63 struct 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
74 static 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
89 VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
90 static struct ps3fb_softc ps3fb_softc;
91
92 static int
93 ps3fb_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
125 void
126 ps3fb_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
161 static int
162 ps3fb_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
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