xref: /freebsd/sys/powerpc/ps3/ps3_syscons.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
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 
44 #include <dev/ofw/openfirm.h>
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 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET	0x0100
52 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC		0x0101
53 #define  L1GPU_DISPLAY_SYNC_HSYNC			1
54 #define  L1GPU_DISPLAY_SYNC_VSYNC			2
55 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP		0x0102
56 
57 static vd_init_t ps3fb_init;
58 static vd_probe_t ps3fb_probe;
59 void ps3fb_remap(void);
60 
61 struct ps3fb_softc {
62 	struct fb_info	fb_info;
63 
64 	uint64_t	sc_fbhandle;
65 	uint64_t	sc_fbcontext;
66 	uint64_t	sc_dma_control;
67 	uint64_t	sc_driver_info;
68 	uint64_t	sc_reports;
69 	uint64_t	sc_reports_size;
70 };
71 
72 static struct vt_driver vt_ps3fb_driver = {
73 	.vd_name = "ps3fb",
74 	.vd_probe = ps3fb_probe,
75 	.vd_init = ps3fb_init,
76 	.vd_blank = vt_fb_blank,
77 	.vd_bitblt_text = vt_fb_bitblt_text,
78 	.vd_bitblt_bmp = vt_fb_bitblt_bitmap,
79 	.vd_drawrect = vt_fb_drawrect,
80 	.vd_setpixel = vt_fb_setpixel,
81 	.vd_fb_ioctl = vt_fb_ioctl,
82 	.vd_fb_mmap = vt_fb_mmap,
83 	/* Better than VGA, but still generic driver. */
84 	.vd_priority = VD_PRIORITY_GENERIC + 1,
85 };
86 
87 VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
88 static struct ps3fb_softc ps3fb_softc;
89 
90 static int
91 ps3fb_probe(struct vt_device *vd)
92 {
93 	struct ps3fb_softc *sc;
94 	int disable;
95 	char compatible[64];
96 	phandle_t root;
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 	TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
106 	if (strcmp(compatible, "ps3") == 0)
107 		return (CN_INTERNAL);
108 
109 	root = OF_finddevice("/");
110 	if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
111                 return (CN_DEAD);
112 
113 	if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
114 		return (CN_DEAD);
115 
116 	return (CN_INTERNAL);
117 }
118 
119 void
120 ps3fb_remap(void)
121 {
122 	struct ps3fb_softc *sc;
123 	vm_offset_t va, fb_paddr;
124 
125 	sc = &ps3fb_softc;
126 
127 	lv1_gpu_close();
128 	lv1_gpu_open(0);
129 
130 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
131 	    0,0,0,0);
132 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
133 	    0,0,1,0);
134 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
135 	    0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
136 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
137 	    1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
138 	lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
139 	    0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
140 	lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
141 	    &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
142 	    &sc->sc_reports_size);
143 
144 	lv1_gpu_context_attribute(sc->sc_fbcontext,
145 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
146 	lv1_gpu_context_attribute(sc->sc_fbcontext,
147 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
148 
149 	sc->fb_info.fb_pbase = fb_paddr;
150 	for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
151 		pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
152 		    VM_MEMATTR_WRITE_COMBINING);
153 	sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
154 }
155 
156 static int
157 ps3fb_init(struct vt_device *vd)
158 {
159 	struct ps3fb_softc *sc;
160 
161 	/* Init softc */
162 	vd->vd_softc = sc = &ps3fb_softc;
163 
164 	/* XXX: get from HV repository */
165 	sc->fb_info.fb_depth = 32;
166 	sc->fb_info.fb_height = 480;
167 	sc->fb_info.fb_width = 720;
168 	TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
169 	TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
170 	sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
171 	sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
172 	sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
173 
174 	/*
175 	 * Arbitrarily choose address for the framebuffer
176 	 */
177 
178 	sc->fb_info.fb_vbase = 0x10000000;
179 	sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
180 	sc->fb_info.fb_cmsize = 16;
181 
182 	/* 32-bit VGA palette */
183 	vt_generate_cons_palette(sc->fb_info.fb_cmap, COLOR_FORMAT_RGB,
184 	    255, 0, 255, 8, 255, 16);
185 
186 	/* Set correct graphics context */
187 	lv1_gpu_context_attribute(sc->sc_fbcontext,
188 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
189 	lv1_gpu_context_attribute(sc->sc_fbcontext,
190 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
191 
192 	vt_fb_init(vd);
193 
194 	return (CN_INTERNAL);
195 }
196 
197