ps3_syscons.c

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    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_generate_cons_palette(sc->fb_info.fb_cmap, 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

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FreeBSD/Linux Kernel Cross Reference sys/powerpc/ps3/ps3_syscons.c

FreeBSD/Linux Kernel Cross Reference
sys/powerpc/ps3/ps3_syscons.c