xref: /freebsd/sys/powerpc/ps3/ps3_syscons.c (revision 39ee7a7a6bdd1557b1c3532abf60d139798ac88b)
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("$FreeBSD$");
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 
58 static vd_init_t ps3fb_init;
59 static vd_probe_t ps3fb_probe;
60 void ps3fb_remap(void);
61 
62 struct 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 
73 static 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 
88 VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
89 static struct ps3fb_softc ps3fb_softc;
90 
91 static int
92 ps3fb_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 
120 void
121 ps3fb_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 
157 static int
158 ps3fb_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 
195 	return (CN_INTERNAL);
196 }
197 
198