Author: ray
Date: Mon Dec 23 18:09:10 2013
New Revision: 259777
URL: http://svnweb.freebsd.org/changeset/base/259777

Log:
  o Add virtual terminal mmap request handler.
  o Forward termianl framebuffer ioctl to fbd.
  o Forward terminal mmap request to fbd.
  o Move inclusion of sys/conf.h to vt.h.
  
  Sponsored by: The FreeBSD Foundation

Modified:
  head/sys/dev/fb/fbd.c
  head/sys/dev/vt/hw/fb/vt_fb.c
  head/sys/dev/vt/vt.h
  head/sys/dev/vt/vt_consolectl.c
  head/sys/dev/vt/vt_core.c
  head/sys/dev/vt/vt_sysmouse.c
  head/sys/kern/subr_terminal.c
  head/sys/sys/fbio.h
  head/sys/sys/terminal.h

Modified: head/sys/dev/fb/fbd.c
==============================================================================
--- head/sys/dev/fb/fbd.c       Mon Dec 23 17:49:12 2013        (r259776)
+++ head/sys/dev/fb/fbd.c       Mon Dec 23 18:09:10 2013        (r259777)
@@ -255,8 +255,12 @@ fb_probe(struct fb_info *info)
                info->wr4 = &vt_fb_indir_wr4;
                info->copy = &vt_fb_indir_copy;
        } else if (info->fb_vbase != 0) {
-               if (info->fb_pbase == 0)
+               if (info->fb_pbase == 0) {
                        info->fb_flags |= FB_FLAG_NOMMAP;
+               } else {
+                       if (info->fb_mmap == NULL)
+                               info->fb_mmap = &fb_mmap;
+               }
                info->wr1 = &vt_fb_mem_wr1;
                info->wr2 = &vt_fb_mem_wr2;
                info->wr4 = &vt_fb_mem_wr4;
@@ -264,6 +268,10 @@ fb_probe(struct fb_info *info)
        } else
                return (ENXIO);
 
+       if (info->fb_ioctl == NULL)
+               info->fb_ioctl = &fb_ioctl;
+
+
        return (0);
 }
 
@@ -277,6 +285,7 @@ fb_init(struct fb_list_entry *entry, int
        entry->fb_si = make_dev(&fb_cdevsw, unit, UID_ROOT, GID_WHEEL,
            0600, "fb%d", unit);
        entry->fb_si->si_drv1 = info;
+       info->fb_cdev = entry->fb_si;
 
        return (0);
 }

Modified: head/sys/dev/vt/hw/fb/vt_fb.c
==============================================================================
--- head/sys/dev/vt/hw/fb/vt_fb.c       Mon Dec 23 17:49:12 2013        
(r259776)
+++ head/sys/dev/vt/hw/fb/vt_fb.c       Mon Dec 23 18:09:10 2013        
(r259777)
@@ -41,14 +41,47 @@ __FBSDID("$FreeBSD$");
 #include <dev/vt/hw/fb/vt_fb.h>
 #include <dev/vt/colors/vt_termcolors.h>
 
+static int vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data,
+    struct thread *td);
+static int vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset,
+    vm_paddr_t *paddr, int prot, vm_memattr_t *memattr);
+
 static struct vt_driver vt_fb_driver = {
        .vd_init = vt_fb_init,
        .vd_blank = vt_fb_blank,
        .vd_bitbltchr = vt_fb_bitbltchr,
        .vd_postswitch = vt_fb_postswitch,
        .vd_priority = VD_PRIORITY_GENERIC+10,
+       .vd_fb_ioctl = vt_fb_ioctl,
+       .vd_fb_mmap = vt_fb_mmap,
 };
 
+static int
+vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data, struct thread *td)
+{
+       struct fb_info *info;
+
+       info = vd->vd_softc;
+
+       if (info->fb_ioctl == NULL)
+               return (-1);
+
+       return (info->fb_ioctl(info->fb_cdev, cmd, data, 0, td));
+}
+
+static int vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset,
+    vm_paddr_t *paddr, int prot, vm_memattr_t *memattr)
+{
+       struct fb_info *info;
+
+       info = vd->vd_softc;
+
+       if (info->fb_ioctl == NULL)
+               return (ENXIO);
+
+       return (info->fb_mmap(info->fb_cdev, offset, paddr, prot, memattr));
+}
+
 void
 vt_fb_blank(struct vt_device *vd, term_color_t color)
 {

Modified: head/sys/dev/vt/vt.h
==============================================================================
--- head/sys/dev/vt/vt.h        Mon Dec 23 17:49:12 2013        (r259776)
+++ head/sys/dev/vt/vt.h        Mon Dec 23 18:09:10 2013        (r259777)
@@ -40,6 +40,7 @@
 #include <sys/_mutex.h>
 #include <sys/callout.h>
 #include <sys/condvar.h>
+#include <sys/conf.h>
 #include <sys/consio.h>
 #include <sys/kbio.h>
 #include <sys/mouse.h>
@@ -282,6 +283,9 @@ typedef void vd_bitbltchr_t(struct vt_de
     unsigned int width, unsigned int height, term_color_t fg, term_color_t bg);
 typedef void vd_putchar_t(struct vt_device *vd, term_char_t,
     vt_axis_t top, vt_axis_t left, term_color_t fg, term_color_t bg);
+typedef int vd_fb_ioctl_t(struct vt_device *, u_long, caddr_t, struct thread 
*);
+typedef int vd_fb_mmap_t(struct vt_device *, vm_ooffset_t, vm_paddr_t *, int,
+    vm_memattr_t *);
 
 struct vt_driver {
        /* Console attachment. */
@@ -291,6 +295,12 @@ struct vt_driver {
        vd_blank_t      *vd_blank;
        vd_bitbltchr_t  *vd_bitbltchr;
 
+       /* Framebuffer ioctls, if present. */
+       vd_fb_ioctl_t   *vd_fb_ioctl;
+
+       /* Framebuffer mmap, if present. */
+       vd_fb_mmap_t    *vd_fb_mmap;
+
        /* Text mode operation. */
        vd_putchar_t    *vd_putchar;
 

Modified: head/sys/dev/vt/vt_consolectl.c
==============================================================================
--- head/sys/dev/vt/vt_consolectl.c     Mon Dec 23 17:49:12 2013        
(r259776)
+++ head/sys/dev/vt/vt_consolectl.c     Mon Dec 23 18:09:10 2013        
(r259777)
@@ -31,7 +31,6 @@
 __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
-#include <sys/conf.h>
 #include <sys/consio.h>
 #include <sys/kernel.h>
 #include <sys/systm.h>

Modified: head/sys/dev/vt/vt_core.c
==============================================================================
--- head/sys/dev/vt/vt_core.c   Mon Dec 23 17:49:12 2013        (r259776)
+++ head/sys/dev/vt/vt_core.c   Mon Dec 23 18:09:10 2013        (r259777)
@@ -72,6 +72,7 @@ static tc_cngetc_t    vtterm_cngetc;
 
 static tc_opened_t     vtterm_opened;
 static tc_ioctl_t      vtterm_ioctl;
+static tc_mmap_t       vtterm_mmap;
 
 const struct terminal_class vt_termclass = {
        .tc_bell        = vtterm_bell,
@@ -87,6 +88,7 @@ const struct terminal_class vt_termclass
 
        .tc_opened      = vtterm_opened,
        .tc_ioctl       = vtterm_ioctl,
+       .tc_mmap        = vtterm_mmap,
 };
 
 /*
@@ -1348,6 +1350,20 @@ vt_mouse_state(int show)
 #endif
 
 static int
+vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
+    int nprot, vm_memattr_t *memattr)
+{
+       struct vt_window *vw = tm->tm_softc;
+       struct vt_device *vd = vw->vw_device;
+
+       if (vd->vd_driver->vd_fb_mmap)
+               return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
+                   memattr));
+
+       return (ENXIO);
+}
+
+static int
 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
     struct thread *td)
 {
@@ -1474,6 +1490,14 @@ skip_thunk:
                        return (EINVAL);
                }
        }
+       case FBIOGTYPE:
+       case FBIO_GETWINORG:    /* get frame buffer window origin */
+       case FBIO_GETDISPSTART: /* get display start address */
+       case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
+       case FBIO_BLANK:        /* blank display */
+               if (vd->vd_driver->vd_fb_ioctl)
+                       return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
+               break;
        case CONS_BLANKTIME:
                /* XXX */
                return (0);

Modified: head/sys/dev/vt/vt_sysmouse.c
==============================================================================
--- head/sys/dev/vt/vt_sysmouse.c       Mon Dec 23 17:49:12 2013        
(r259776)
+++ head/sys/dev/vt/vt_sysmouse.c       Mon Dec 23 18:09:10 2013        
(r259777)
@@ -35,7 +35,6 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/condvar.h>
-#include <sys/conf.h>
 #include <sys/consio.h>
 #include <sys/fcntl.h>
 #include <sys/filio.h>

Modified: head/sys/kern/subr_terminal.c
==============================================================================
--- head/sys/kern/subr_terminal.c       Mon Dec 23 17:49:12 2013        
(r259776)
+++ head/sys/kern/subr_terminal.c       Mon Dec 23 18:09:10 2013        
(r259777)
@@ -85,12 +85,14 @@ static tsw_open_t   termtty_open;
 static tsw_close_t     termtty_close;
 static tsw_outwakeup_t termtty_outwakeup;
 static tsw_ioctl_t     termtty_ioctl;
+static tsw_mmap_t      termtty_mmap;
 
 static struct ttydevsw terminal_tty_class = {
        .tsw_open       = termtty_open,
        .tsw_close      = termtty_close,
        .tsw_outwakeup  = termtty_outwakeup,
        .tsw_ioctl      = termtty_ioctl,
+       .tsw_mmap       = termtty_mmap,
 };
 
 /*
@@ -409,6 +411,15 @@ termtty_ioctl(struct tty *tp, u_long cmd
        return (error);
 }
 
+static int
+termtty_mmap(struct tty *tp, vm_ooffset_t offset, vm_paddr_t * paddr,
+    int nprot, vm_memattr_t *memattr)
+{
+       struct terminal *tm = tty_softc(tp);
+
+       return (tm->tm_class->tc_mmap(tm, offset, paddr, nprot, memattr));
+}
+
 /*
  * Binding with the kernel and debug console.
  */

Modified: head/sys/sys/fbio.h
==============================================================================
--- head/sys/sys/fbio.h Mon Dec 23 17:49:12 2013        (r259776)
+++ head/sys/sys/fbio.h Mon Dec 23 18:09:10 2013        (r259777)
@@ -125,6 +125,10 @@ typedef void fb_wr1_t(struct fb_info *sc
 typedef void fb_wr2_t(struct fb_info *sc, uint32_t offset, uint16_t value);
 typedef void fb_wr4_t(struct fb_info *sc, uint32_t offset, uint32_t value);
 
+typedef int fb_ioctl_t(struct cdev *, u_long, caddr_t, int, struct thread *);
+typedef int fb_mmap_t(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
+    int prot, vm_memattr_t *memattr);
+
 struct fb_info {
        /* Raw copy of fbtype. Do not change. */
        int             fb_type;        /* as defined above */
@@ -137,6 +141,10 @@ struct fb_info {
        /* Methods. */
        fb_write_t      *fb_write;      /* if NULL, direct mem write. */
        fb_read_t       *fb_read;       /* if NULL, direct mem read. */
+       fb_ioctl_t      *fb_ioctl;      /* Can be NULL. */
+       fb_mmap_t       *fb_mmap;       /* Can be NULL. */
+
+       struct cdev     *fb_cdev;
 
        fb_wr1_t        *wr1;
        fb_wr2_t        *wr2;

Modified: head/sys/sys/terminal.h
==============================================================================
--- head/sys/sys/terminal.h     Mon Dec 23 17:49:12 2013        (r259776)
+++ head/sys/sys/terminal.h     Mon Dec 23 18:09:10 2013        (r259777)
@@ -95,6 +95,8 @@ typedef int tc_cngetc_t(struct terminal 
 typedef void tc_opened_t(struct terminal *tm, int opened);
 typedef int tc_ioctl_t(struct terminal *tm, u_long cmd, caddr_t data,
     struct thread *td);
+typedef int tc_mmap_t(struct terminal *tm, vm_ooffset_t offset,
+    vm_paddr_t * paddr, int nprot, vm_memattr_t *memattr);
 typedef void tc_bell_t(struct terminal *tm);
 
 struct terminal_class {
@@ -109,10 +111,11 @@ struct terminal_class {
        /* Low-level console interface. */
        tc_cnprobe_t    *tc_cnprobe;
        tc_cngetc_t     *tc_cngetc;
-       
+
        /* Misc. */
        tc_opened_t     *tc_opened;
        tc_ioctl_t      *tc_ioctl;
+       tc_mmap_t       *tc_mmap;
        tc_bell_t       *tc_bell;
 };
 
_______________________________________________
svn-src-head@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"

Reply via email to