sys/powerpc/ps3/ps3_syscons.c

   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         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         TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
 105         if (strcmp(compatible, "ps3") == 0)
 106                 return (CN_INTERNAL);
 107
 108         root = OF_finddevice("/");
 109         if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
 110                 return (CN_DEAD);
 111
 112         if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
 113                 return (CN_DEAD);
 114
 115         return (CN_INTERNAL);
 116 }
 117
 118 void
 119 ps3fb_remap(void)
 120 {
 121         struct ps3fb_softc *sc;
 122         vm_offset_t va, fb_paddr;
 123
 124         sc = &ps3fb_softc;
 125
 126         lv1_gpu_close();
 127         lv1_gpu_open(0);
 128
 129         lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
 130             0,0,0,0);
 131         lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
 132             0,0,1,0);
 133         lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 134             0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
 135         lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 136             1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
 137         lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
 138             0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
 139         lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
 140             &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
 141             &sc->sc_reports_size);
 142
 143         lv1_gpu_context_attribute(sc->sc_fbcontext,
 144             L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
 145         lv1_gpu_context_attribute(sc->sc_fbcontext,
 146             L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
 147
 148         sc->fb_info.fb_pbase = fb_paddr;
 149         for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
 150                 pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
 151                     VM_MEMATTR_WRITE_COMBINING);
 152         sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
 153 }
 154
 155 static int
 156 ps3fb_init(struct vt_device *vd)
 157 {
 158         struct ps3fb_softc *sc;
 159         char linux_video_mode[24];
 160         int linux_video_mode_num = 0;
 161
 162         /* Init softc */
 163         vd->vd_softc = sc = &ps3fb_softc;
 164
 165         sc->fb_info.fb_depth = 32;
 166         sc->fb_info.fb_height = 1080;
 167         sc->fb_info.fb_width = 1920;
 168
 169         /* See if the bootloader has passed a graphics mode to use */
 170         bzero(linux_video_mode, sizeof(linux_video_mode));
 171         TUNABLE_STR_FETCH("video", linux_video_mode, sizeof(linux_video_mode));
 172         sscanf(linux_video_mode, "ps3fb:mode:%d", &linux_video_mode_num);
 173
 174         switch (linux_video_mode_num) {
 175         case 1:
 176         case 2:
 177                 sc->fb_info.fb_height = 480;
 178                 sc->fb_info.fb_width = 720;
 179                 break;
 180         case 3:
 181         case 8:
 182                 sc->fb_info.fb_height = 720;
 183                 sc->fb_info.fb_width = 1280;
 184                 break;
 185         case 4:
 186         case 5:
 187         case 9:
 188         case 10:
 189                 sc->fb_info.fb_height = 1080;
 190                 sc->fb_info.fb_width = 1920;
 191                 break;
 192         case 6:
 193         case 7:
 194                 sc->fb_info.fb_height = 576;
 195                 sc->fb_info.fb_width = 720;
 196                 break;
 197         case 11:
 198                 sc->fb_info.fb_height = 768;
 199                 sc->fb_info.fb_width = 1024;
 200                 break;
 201         case 12:
 202                 sc->fb_info.fb_height = 1024;
 203                 sc->fb_info.fb_width = 1280;
 204                 break;
 205         case 13:
 206                 sc->fb_info.fb_height = 1200;
 207                 sc->fb_info.fb_width = 1920;
 208                 break;
 209         }
 210
 211         /* Allow explicitly-specified values for us to override everything */
 212         TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
 213         TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
 214
 215         sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
 216         sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
 217         sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
 218
 219         /*
 220          * Arbitrarily choose address for the framebuffer
 221          */
 222
 223         sc->fb_info.fb_vbase = 0x10000000;
 224         sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
 225         sc->fb_info.fb_cmsize = 16;
 226
 227         /* 32-bit VGA palette */
 228         vt_config_cons_colors(&sc->fb_info, COLOR_FORMAT_RGB,
 229             255, 16, 255, 8, 255, 0);
 230
 231         /* Set correct graphics context */
 232         lv1_gpu_context_attribute(sc->sc_fbcontext,
 233             L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
 234         lv1_gpu_context_attribute(sc->sc_fbcontext,
 235             L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
 236
 237         vt_fb_init(vd);
 238
 239         return (CN_INTERNAL);
 240 }