xref: /freebsd/sys/powerpc/ps3/ps3_syscons.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
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/cdefs.h>
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 	int disable;
94 	char compatible[64];
95 	phandle_t root;
96 
97 	disable = 0;
98 	TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
99 	if (disable != 0)
100 		return (0);
101 
102 	TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
103 	if (strcmp(compatible, "ps3") == 0)
104 		return (CN_INTERNAL);
105 
106 	root = OF_finddevice("/");
107 	if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
108                 return (CN_DEAD);
109 
110 	if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
111 		return (CN_DEAD);
112 
113 	return (CN_INTERNAL);
114 }
115 
116 void
117 ps3fb_remap(void)
118 {
119 	struct ps3fb_softc *sc;
120 	vm_offset_t va, fb_paddr;
121 
122 	sc = &ps3fb_softc;
123 
124 	lv1_gpu_close();
125 	lv1_gpu_open(0);
126 
127 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
128 	    0,0,0,0);
129 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
130 	    0,0,1,0);
131 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
132 	    0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
133 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
134 	    1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
135 	lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
136 	    0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
137 	lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
138 	    &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
139 	    &sc->sc_reports_size);
140 
141 	lv1_gpu_context_attribute(sc->sc_fbcontext,
142 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
143 	lv1_gpu_context_attribute(sc->sc_fbcontext,
144 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
145 
146 	sc->fb_info.fb_pbase = fb_paddr;
147 	for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
148 		pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
149 		    VM_MEMATTR_WRITE_COMBINING);
150 	sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
151 }
152 
153 static int
154 ps3fb_init(struct vt_device *vd)
155 {
156 	struct ps3fb_softc *sc;
157 	char linux_video_mode[24];
158 	int linux_video_mode_num = 0;
159 
160 	/* Init softc */
161 	vd->vd_softc = sc = &ps3fb_softc;
162 
163 	sc->fb_info.fb_depth = 32;
164 	sc->fb_info.fb_height = 1080;
165 	sc->fb_info.fb_width = 1920;
166 
167 	/* See if the bootloader has passed a graphics mode to use */
168 	bzero(linux_video_mode, sizeof(linux_video_mode));
169 	TUNABLE_STR_FETCH("video", linux_video_mode, sizeof(linux_video_mode));
170 	sscanf(linux_video_mode, "ps3fb:mode:%d", &linux_video_mode_num);
171 
172 	switch (linux_video_mode_num) {
173 	case 1:
174 	case 2:
175 		sc->fb_info.fb_height = 480;
176 		sc->fb_info.fb_width = 720;
177 		break;
178 	case 3:
179 	case 8:
180 		sc->fb_info.fb_height = 720;
181 		sc->fb_info.fb_width = 1280;
182 		break;
183 	case 4:
184 	case 5:
185 	case 9:
186 	case 10:
187 		sc->fb_info.fb_height = 1080;
188 		sc->fb_info.fb_width = 1920;
189 		break;
190 	case 6:
191 	case 7:
192 		sc->fb_info.fb_height = 576;
193 		sc->fb_info.fb_width = 720;
194 		break;
195 	case 11:
196 		sc->fb_info.fb_height = 768;
197 		sc->fb_info.fb_width = 1024;
198 		break;
199 	case 12:
200 		sc->fb_info.fb_height = 1024;
201 		sc->fb_info.fb_width = 1280;
202 		break;
203 	case 13:
204 		sc->fb_info.fb_height = 1200;
205 		sc->fb_info.fb_width = 1920;
206 		break;
207 	}
208 
209 	/* Allow explicitly-specified values for us to override everything */
210 	TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
211 	TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
212 
213 	sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
214 	sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
215 	sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
216 
217 	/*
218 	 * Arbitrarily choose address for the framebuffer
219 	 */
220 
221 	sc->fb_info.fb_vbase = 0x10000000;
222 	sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
223 	sc->fb_info.fb_cmsize = 16;
224 
225 	/* 32-bit VGA palette */
226 	vt_config_cons_colors(&sc->fb_info, COLOR_FORMAT_RGB,
227 	    255, 16, 255, 8, 255, 0);
228 
229 	/* Set correct graphics context */
230 	lv1_gpu_context_attribute(sc->sc_fbcontext,
231 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
232 	lv1_gpu_context_attribute(sc->sc_fbcontext,
233 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
234 
235 	vt_fb_init(vd);
236 
237 	return (CN_INTERNAL);
238 }
239