xref: /freebsd/sys/powerpc/ps3/ps3_syscons.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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
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
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
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