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         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 }

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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