sys/powerpc/ps3/ps3_syscons.c

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