sys/powerpc/ps3/ps3_syscons.c

   1 /*-
   2  * Copyright (c) 2011-2014 Nathan Whitehorn
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  30 #include <sys/param.h>
  31 #include <sys/systm.h>
  32 #include <sys/kernel.h>
  33 #include <sys/sysctl.h>
  34 #include <sys/limits.h>
  35 #include <sys/conf.h>
  36 #include <sys/cons.h>
  37 #include <sys/fbio.h>
  38
  39 #include <vm/vm.h>
  40 #include <vm/pmap.h>
  41
  42 #include <machine/platform.h>
  43 #include <machine/pmap.h>
  44
  45 #include <dev/vt/vt.h>
  46 #include <dev/vt/hw/fb/vt_fb.h>
  47 #include <dev/vt/colors/vt_termcolors.h>
  48
  49 #include "ps3-hvcall.h"
  50
  51 #define PS3FB_SIZE (4*1024*1024)
  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_bitbltchr = vt_fb_bitbltchr,
  80         .vd_maskbitbltchr = vt_fb_maskbitbltchr,
  81         /* Better than VGA, but still generic driver. */
  82         .vd_priority = VD_PRIORITY_GENERIC + 1,
  83 };
  84
  85 VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
  86 static struct ps3fb_softc ps3fb_softc;
  87
  88 static int
  89 ps3fb_probe(struct vt_device *vd)
  90 {
  91         struct ps3fb_softc *sc;
  92         int disable;
  93         char compatible[64];
  94 #if 0
  95         phandle_t root;
  96 #endif
  97
  98         disable = 0;
  99         TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
 100         if (disable != 0)
 101                 return (0);
 102
 103         sc = &ps3fb_softc;
 104
 105 #if 0
 106         root = OF_finddevice("/");
 107         if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
 108                 return (0);
 109
 110         if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
 111                 return (0);
 112 #else
 113         TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
 114         if (strcmp(compatible, "ps3") != 0)
 115                 return (CN_DEAD);
 116 #endif
 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(PS3FB_SIZE, 0, 0, 0, 0, &sc->sc_fbhandle,
 141             &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 < PS3FB_SIZE; va += PAGE_SIZE)
 153                 pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
 154                     VM_MEMATTR_WRITE_COMBINING);
 155 }
 156
 157 static int
 158 ps3fb_init(struct vt_device *vd)
 159 {
 160         struct ps3fb_softc *sc;
 161
 162         /* Init softc */
 163         vd->vd_softc = sc = &ps3fb_softc;
 164
 165         /* XXX: get from HV repository */
 166         sc->fb_info.fb_depth = 32;
 167         sc->fb_info.fb_height = 480;
 168         sc->fb_info.fb_width = 720;
 169         sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
 170         sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
 171         sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
 172
 173         /*
 174          * The loader puts the FB at 0x10000000, so use that for now.
 175          */
 176
 177         sc->fb_info.fb_vbase = 0x10000000;
 178
 179         /* 32-bit VGA palette */
 180         vt_generate_vga_palette(sc->fb_info.fb_cmap, COLOR_FORMAT_RGB,
 181             255, 16, 255, 8, 255, 0);
 182
 183         /* Set correct graphics context */
 184         lv1_gpu_context_attribute(sc->sc_fbcontext,
 185             L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
 186         lv1_gpu_context_attribute(sc->sc_fbcontext,
 187             L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
 188
 189         fb_probe(&sc->fb_info);
 190         vt_fb_init(vd);
 191
 192         /* Clear the screen. */
 193         vt_fb_blank(vd, TC_BLACK);
 194
 195         return (CN_INTERNAL);
 196 }
 197