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

     /*-
      * Copyright (c) 2011-2014 Nathan Whitehorn
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/11.2/sys/powerpc/ps3/ps3_syscons.c 331722 2018-03-29 02:50:57Z eadler $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/sysctl.h>
    #include <sys/limits.h>
    #include <sys/conf.h>
    #include <sys/cons.h>
    #include <sys/fbio.h>
    
    #include <vm/vm.h>
    #include <vm/pmap.h>
    
    #include <machine/platform.h>
    
    #include <dev/ofw/openfirm.h>
    #include <dev/vt/vt.h>
    #include <dev/vt/hw/fb/vt_fb.h>
    #include <dev/vt/colors/vt_termcolors.h>
    
    #include "ps3-hvcall.h"
    
    #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET        0x0100
    #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC            0x0101
    #define  L1GPU_DISPLAY_SYNC_HSYNC                       1
    #define  L1GPU_DISPLAY_SYNC_VSYNC                       2
    #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP            0x0102
    
    static vd_init_t ps3fb_init;
    static vd_probe_t ps3fb_probe;
    void ps3fb_remap(void);
    
    struct ps3fb_softc {
            struct fb_info  fb_info;
    
            uint64_t        sc_fbhandle;
            uint64_t        sc_fbcontext;
            uint64_t        sc_dma_control;
            uint64_t        sc_driver_info;
            uint64_t        sc_reports;
            uint64_t        sc_reports_size;
    };
    
    static struct vt_driver vt_ps3fb_driver = {
            .vd_name = "ps3fb",
            .vd_probe = ps3fb_probe,
            .vd_init = ps3fb_init,
            .vd_blank = vt_fb_blank,
            .vd_bitblt_text = vt_fb_bitblt_text,
            .vd_bitblt_bmp = vt_fb_bitblt_bitmap,
            .vd_drawrect = vt_fb_drawrect,
            .vd_setpixel = vt_fb_setpixel,
            .vd_fb_ioctl = vt_fb_ioctl,
            .vd_fb_mmap = vt_fb_mmap,
            /* Better than VGA, but still generic driver. */
            .vd_priority = VD_PRIORITY_GENERIC + 1,
    };
    
    VT_DRIVER_DECLARE(vt_ps3fb, vt_ps3fb_driver);
    static struct ps3fb_softc ps3fb_softc;
    
    static int
    ps3fb_probe(struct vt_device *vd)
    {
            struct ps3fb_softc *sc;
            int disable;
            char compatible[64];
            phandle_t root;
    
            disable = 0;
            TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
           if (disable != 0)
                   return (0);
   
           sc = &ps3fb_softc;
   
           TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
           if (strcmp(compatible, "ps3") == 0)
                   return (CN_INTERNAL);
   
           root = OF_finddevice("/");
           if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
                   return (CN_DEAD);
           
           if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
                   return (CN_DEAD);
   
           return (CN_INTERNAL);
   }
   
   void
   ps3fb_remap(void)
   {
           struct ps3fb_softc *sc;
           vm_offset_t va, fb_paddr;
   
           sc = &ps3fb_softc;
   
           lv1_gpu_close();
           lv1_gpu_open(0);
   
           lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
               0,0,0,0);
           lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
               0,0,1,0);
           lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
               0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
           lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
               1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
           lv1_gpu_memory_allocate(roundup2(sc->fb_info.fb_size, 1024*1024),
               0, 0, 0, 0, &sc->sc_fbhandle, &fb_paddr);
           lv1_gpu_context_allocate(sc->sc_fbhandle, 0, &sc->sc_fbcontext,
               &sc->sc_dma_control, &sc->sc_driver_info, &sc->sc_reports,
               &sc->sc_reports_size);
   
           lv1_gpu_context_attribute(sc->sc_fbcontext,
               L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
           lv1_gpu_context_attribute(sc->sc_fbcontext,
               L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
   
           sc->fb_info.fb_pbase = fb_paddr;
           for (va = 0; va < sc->fb_info.fb_size; va += PAGE_SIZE)
                   pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
                       VM_MEMATTR_WRITE_COMBINING);
           sc->fb_info.fb_flags &= ~FB_FLAG_NOWRITE;
   }
   
   static int
   ps3fb_init(struct vt_device *vd)
   {
           struct ps3fb_softc *sc;
   
           /* Init softc */
           vd->vd_softc = sc = &ps3fb_softc;
   
           /* XXX: get from HV repository */
           sc->fb_info.fb_depth = 32;
           sc->fb_info.fb_height = 480;
           sc->fb_info.fb_width = 720;
           TUNABLE_INT_FETCH("hw.ps3fb.height", &sc->fb_info.fb_height);
           TUNABLE_INT_FETCH("hw.ps3fb.width", &sc->fb_info.fb_width);
           sc->fb_info.fb_stride = sc->fb_info.fb_width*4;
           sc->fb_info.fb_size = sc->fb_info.fb_height * sc->fb_info.fb_stride;
           sc->fb_info.fb_bpp = sc->fb_info.fb_stride / sc->fb_info.fb_width * 8;
   
           /*
            * Arbitrarily choose address for the framebuffer
            */
   
           sc->fb_info.fb_vbase = 0x10000000;
           sc->fb_info.fb_flags |= FB_FLAG_NOWRITE; /* Not available yet */
           sc->fb_info.fb_cmsize = 16;
   
           /* 32-bit VGA palette */
           vt_generate_cons_palette(sc->fb_info.fb_cmap, COLOR_FORMAT_RGB,
               255, 0, 255, 8, 255, 16);
   
           /* Set correct graphics context */
           lv1_gpu_context_attribute(sc->sc_fbcontext,
               L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
           lv1_gpu_context_attribute(sc->sc_fbcontext,
               L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
   
           vt_fb_init(vd);
   
           return (CN_INTERNAL);
   }
   

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