1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2011-2014 Nathan Whitehorn
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/sysctl.h>
33 #include <sys/limits.h>
34 #include <sys/conf.h>
35 #include <sys/cons.h>
36 #include <sys/fbio.h>
37
38 #include <vm/vm.h>
39 #include <vm/pmap.h>
40
41 #include <machine/platform.h>
42
43 #include <dev/ofw/openfirm.h>
44 #include <dev/vt/vt.h>
45 #include <dev/vt/hw/fb/vt_fb.h>
46 #include <dev/vt/colors/vt_termcolors.h>
47
48 #include "ps3-hvcall.h"
49
50 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET 0x0100
51 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x0101
52 #define L1GPU_DISPLAY_SYNC_HSYNC 1
53 #define L1GPU_DISPLAY_SYNC_VSYNC 2
54 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x0102
55
56 static vd_init_t ps3fb_init;
57 static vd_probe_t ps3fb_probe;
58 void ps3fb_remap(void);
59
60 struct ps3fb_softc {
61 struct fb_info fb_info;
62
63 uint64_t sc_fbhandle;
64 uint64_t sc_fbcontext;
65 uint64_t sc_dma_control;
66 uint64_t sc_driver_info;
67 uint64_t sc_reports;
68 uint64_t sc_reports_size;
69 };
70
71 static struct vt_driver vt_ps3fb_driver = {
72 .vd_name = "ps3fb",
73 .vd_probe = ps3fb_probe,
74 .vd_init = ps3fb_init,
75 .vd_blank = vt_fb_blank,
76 .vd_bitblt_text = vt_fb_bitblt_text,
77 .vd_bitblt_bmp = vt_fb_bitblt_bitmap,
78 .vd_drawrect = vt_fb_drawrect,
79 .vd_setpixel = vt_fb_setpixel,
80 .vd_fb_ioctl = vt_fb_ioctl,
81 .vd_fb_mmap = vt_fb_mmap,
82 /* Better than VGA, but still generic driver. */
83 .vd_priority = VD_PRIORITY_GENERIC + 1,
84 };
85
86 VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
87 static struct ps3fb_softc ps3fb_softc;
88
89 static int
ps3fb_probe(struct vt_device * vd)90 ps3fb_probe(struct vt_device *vd)
91 {
92 int disable;
93 char compatible[64];
94 phandle_t root;
95
96 disable = 0;
97 TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
98 if (disable != 0)
99 return (0);
100
101 TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
102 if (strcmp(compatible, "ps3") == 0)
103 return (CN_INTERNAL);
104
105 root = OF_finddevice("/");
106 if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
107 return (CN_DEAD);
108
109 if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
110 return (CN_DEAD);
111
112 return (CN_INTERNAL);
113 }
114
115 void
ps3fb_remap(void)116 ps3fb_remap(void)
117 {
118 struct ps3fb_softc *sc;
119 vm_offset_t va, fb_paddr;
120
121 sc = &ps3fb_softc;
122
123 lv1_gpu_close();
124 lv1_gpu_open(0);
125
126 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
127 0,0,0,0);
128 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
129 0,0,1,0);
130 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
131 0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
132 lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
133 1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
134 lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
135 0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
136 lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
137 &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
138 &sc->sc_reports_size);
139
140 lv1_gpu_context_attribute(sc->sc_fbcontext,
141 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
142 lv1_gpu_context_attribute(sc->sc_fbcontext,
143 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
144
145 sc->fb_info.fb_pbase = fb_paddr;
146 for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
147 pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
148 VM_MEMATTR_WRITE_COMBINING);
149 sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
150 }
151
152 static int
ps3fb_init(struct vt_device * vd)153 ps3fb_init(struct vt_device *vd)
154 {
155 struct ps3fb_softc *sc;
156 char linux_video_mode[24];
157 int linux_video_mode_num = 0;
158
159 /* Init softc */
160 vd->vd_softc = sc = &ps3fb_softc;
161
162 sc->fb_info.fb_depth = 32;
163 sc->fb_info.fb_height = 1080;
164 sc->fb_info.fb_width = 1920;
165
166 /* See if the bootloader has passed a graphics mode to use */
167 bzero(linux_video_mode, sizeof(linux_video_mode));
168 TUNABLE_STR_FETCH("video", linux_video_mode, sizeof(linux_video_mode));
169 sscanf(linux_video_mode, "ps3fb:mode:%d", &linux_video_mode_num);
170
171 switch (linux_video_mode_num) {
172 case 1:
173 case 2:
174 sc->fb_info.fb_height = 480;
175 sc->fb_info.fb_width = 720;
176 break;
177 case 3:
178 case 8:
179 sc->fb_info.fb_height = 720;
180 sc->fb_info.fb_width = 1280;
181 break;
182 case 4:
183 case 5:
184 case 9:
185 case 10:
186 sc->fb_info.fb_height = 1080;
187 sc->fb_info.fb_width = 1920;
188 break;
189 case 6:
190 case 7:
191 sc->fb_info.fb_height = 576;
192 sc->fb_info.fb_width = 720;
193 break;
194 case 11:
195 sc->fb_info.fb_height = 768;
196 sc->fb_info.fb_width = 1024;
197 break;
198 case 12:
199 sc->fb_info.fb_height = 1024;
200 sc->fb_info.fb_width = 1280;
201 break;
202 case 13:
203 sc->fb_info.fb_height = 1200;
204 sc->fb_info.fb_width = 1920;
205 break;
206 }
207
208 /* Allow explicitly-specified values for us to override everything */
209 TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
210 TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
211
212 sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
213 sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
214 sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
215
216 /*
217 * Arbitrarily choose address for the framebuffer
218 */
219
220 sc->fb_info.fb_vbase = 0x10000000;
221 sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
222 sc->fb_info.fb_cmsize = 16;
223
224 /* 32-bit VGA palette */
225 vt_config_cons_colors(&sc->fb_info, COLOR_FORMAT_RGB,
226 255, 16, 255, 8, 255, 0);
227
228 /* Set correct graphics context */
229 lv1_gpu_context_attribute(sc->sc_fbcontext,
230 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
231 lv1_gpu_context_attribute(sc->sc_fbcontext,
232 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
233
234 vt_fb_init(vd);
235
236 return (CN_INTERNAL);
237 }
238