xref: /freebsd/sys/powerpc/ps3/ps3_syscons.c (revision 681ce946f33e75c590e97c53076e86dff1fe8f4a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/sysctl.h>
36 #include <sys/limits.h>
37 #include <sys/conf.h>
38 #include <sys/cons.h>
39 #include <sys/fbio.h>
40 
41 #include <vm/vm.h>
42 #include <vm/pmap.h>
43 
44 #include <machine/platform.h>
45 
46 #include <dev/ofw/openfirm.h>
47 #include <dev/vt/vt.h>
48 #include <dev/vt/hw/fb/vt_fb.h>
49 #include <dev/vt/colors/vt_termcolors.h>
50 
51 #include "ps3-hvcall.h"
52 
53 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET	0x0100
54 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC		0x0101
55 #define  L1GPU_DISPLAY_SYNC_HSYNC			1
56 #define  L1GPU_DISPLAY_SYNC_VSYNC			2
57 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP		0x0102
58 
59 static vd_init_t ps3fb_init;
60 static vd_probe_t ps3fb_probe;
61 void ps3fb_remap(void);
62 
63 struct ps3fb_softc {
64 	struct fb_info	fb_info;
65 
66 	uint64_t	sc_fbhandle;
67 	uint64_t	sc_fbcontext;
68 	uint64_t	sc_dma_control;
69 	uint64_t	sc_driver_info;
70 	uint64_t	sc_reports;
71 	uint64_t	sc_reports_size;
72 };
73 
74 static struct vt_driver vt_ps3fb_driver = {
75 	.vd_name = "ps3fb",
76 	.vd_probe = ps3fb_probe,
77 	.vd_init = ps3fb_init,
78 	.vd_blank = vt_fb_blank,
79 	.vd_bitblt_text = vt_fb_bitblt_text,
80 	.vd_bitblt_bmp = vt_fb_bitblt_bitmap,
81 	.vd_drawrect = vt_fb_drawrect,
82 	.vd_setpixel = vt_fb_setpixel,
83 	.vd_fb_ioctl = vt_fb_ioctl,
84 	.vd_fb_mmap = vt_fb_mmap,
85 	/* Better than VGA, but still generic driver. */
86 	.vd_priority = VD_PRIORITY_GENERIC + 1,
87 };
88 
89 VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
90 static struct ps3fb_softc ps3fb_softc;
91 
92 static int
93 ps3fb_probe(struct vt_device *vd)
94 {
95 	struct ps3fb_softc *sc;
96 	int disable;
97 	char compatible[64];
98 	phandle_t root;
99 
100 	disable = 0;
101 	TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
102 	if (disable != 0)
103 		return (0);
104 
105 	sc = &ps3fb_softc;
106 
107 	TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
108 	if (strcmp(compatible, "ps3") == 0)
109 		return (CN_INTERNAL);
110 
111 	root = OF_finddevice("/");
112 	if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
113                 return (CN_DEAD);
114 
115 	if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
116 		return (CN_DEAD);
117 
118 	return (CN_INTERNAL);
119 }
120 
121 void
122 ps3fb_remap(void)
123 {
124 	struct ps3fb_softc *sc;
125 	vm_offset_t va, fb_paddr;
126 
127 	sc = &ps3fb_softc;
128 
129 	lv1_gpu_close();
130 	lv1_gpu_open(0);
131 
132 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
133 	    0,0,0,0);
134 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
135 	    0,0,1,0);
136 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
137 	    0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
138 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
139 	    1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
140 	lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
141 	    0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
142 	lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
143 	    &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
144 	    &sc->sc_reports_size);
145 
146 	lv1_gpu_context_attribute(sc->sc_fbcontext,
147 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
148 	lv1_gpu_context_attribute(sc->sc_fbcontext,
149 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
150 
151 	sc->fb_info.fb_pbase = fb_paddr;
152 	for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
153 		pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
154 		    VM_MEMATTR_WRITE_COMBINING);
155 	sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
156 }
157 
158 static int
159 ps3fb_init(struct vt_device *vd)
160 {
161 	struct ps3fb_softc *sc;
162 	char linux_video_mode[24];
163 	int linux_video_mode_num = 0;
164 
165 	/* Init softc */
166 	vd->vd_softc = sc = &ps3fb_softc;
167 
168 	sc->fb_info.fb_depth = 32;
169 	sc->fb_info.fb_height = 1080;
170 	sc->fb_info.fb_width = 1920;
171 
172 	/* See if the bootloader has passed a graphics mode to use */
173 	bzero(linux_video_mode, sizeof(linux_video_mode));
174 	TUNABLE_STR_FETCH("video", linux_video_mode, sizeof(linux_video_mode));
175 	sscanf(linux_video_mode, "ps3fb:mode:%d", &linux_video_mode_num);
176 
177 	switch (linux_video_mode_num) {
178 	case 1:
179 	case 2:
180 		sc->fb_info.fb_height = 480;
181 		sc->fb_info.fb_width = 720;
182 		break;
183 	case 3:
184 	case 8:
185 		sc->fb_info.fb_height = 720;
186 		sc->fb_info.fb_width = 1280;
187 		break;
188 	case 4:
189 	case 5:
190 	case 9:
191 	case 10:
192 		sc->fb_info.fb_height = 1080;
193 		sc->fb_info.fb_width = 1920;
194 		break;
195 	case 6:
196 	case 7:
197 		sc->fb_info.fb_height = 576;
198 		sc->fb_info.fb_width = 720;
199 		break;
200 	case 11:
201 		sc->fb_info.fb_height = 768;
202 		sc->fb_info.fb_width = 1024;
203 		break;
204 	case 12:
205 		sc->fb_info.fb_height = 1024;
206 		sc->fb_info.fb_width = 1280;
207 		break;
208 	case 13:
209 		sc->fb_info.fb_height = 1200;
210 		sc->fb_info.fb_width = 1920;
211 		break;
212 	}
213 
214 	/* Allow explicitly-specified values for us to override everything */
215 	TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
216 	TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
217 
218 	sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
219 	sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
220 	sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
221 
222 	/*
223 	 * Arbitrarily choose address for the framebuffer
224 	 */
225 
226 	sc->fb_info.fb_vbase = 0x10000000;
227 	sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
228 	sc->fb_info.fb_cmsize = 16;
229 
230 	/* 32-bit VGA palette */
231 	vt_config_cons_colors(&sc->fb_info, COLOR_FORMAT_RGB,
232 	    255, 16, 255, 8, 255, 0);
233 
234 	/* Set correct graphics context */
235 	lv1_gpu_context_attribute(sc->sc_fbcontext,
236 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
237 	lv1_gpu_context_attribute(sc->sc_fbcontext,
238 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
239 
240 	vt_fb_init(vd);
241 
242 	return (CN_INTERNAL);
243 }
244