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kdrive: Add primitive ct65550 server. Update kdrive/vesa code to support

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DPMS using VESA bios routines. Include support for Toshiba SMM DPMS as
    well
This commit is contained in:
Keith Packard
2001-09-05 07:12:43 +00:00
parent f856b952ec
commit 216090d1ae
12 changed files with 1137 additions and 16 deletions
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96
hw/kdrive/vesa/vesa.c
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@@ -19,7 +19,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/* $XFree86: xc/programs/Xserver/hw/kdrive/vesa/vesa.c,v 1.15 2001/07/20 19:35:30 keithp Exp $ */
/* $XFree86: xc/programs/Xserver/hw/kdrive/vesa/vesa.c,v 1.16 2001/07/24 19:06:04 keithp Exp $ */
#include "vesa.h"
#ifdef RANDR
@@ -33,6 +33,7 @@ Bool vesa_shadow = FALSE;
Bool vesa_linear_fb = TRUE;
Bool vesa_restore = FALSE;
Bool vesa_verbose = FALSE;
Bool vesa_force_text = FALSE;
#define VesaPriv(scr) ((VesaScreenPrivPtr) (scr)->driver)
@@ -959,11 +960,13 @@ vesaMapFramebuffer (KdScreenInfo *screen)
if (pscr->mode.vbe)
pscr->fb = VbeMapFramebuffer(priv->vi, priv->vbeInfo,
pscr->mode.mode,
&pscr->fb_size);
&pscr->fb_size,
&pscr->fb_phys);
else
pscr->fb = VgaMapFramebuffer (priv->vi,
pscr->mode.mode,
&pscr->fb_size);
&pscr->fb_size,
&pscr->fb_phys);
if (!pscr->fb)
return FALSE;
break;
@@ -1451,11 +1454,13 @@ vesaEnable(ScreenPtr pScreen)
if (pscr->mode.vbe)
pscr->fb = VbeMapFramebuffer(priv->vi, priv->vbeInfo,
pscr->mode.mode,
&pscr->fb_size);
&pscr->fb_size,
&pscr->fb_phys);
else
pscr->fb = VgaMapFramebuffer (priv->vi,
pscr->mode.mode,
&pscr->fb_size);
&pscr->fb_size,
&pscr->fb_phys);
if (!pscr->fb)
return FALSE;
screen->fb[0].frameBuffer = (CARD8 *)(pscr->fb);
@@ -1501,6 +1506,77 @@ vesaEnable(ScreenPtr pScreen)
return TRUE;
}
#ifndef TOSHIBA_SMM
# ifdef linux
# define TOSHIBA_SMM 1
# endif
# ifndef TOSHIBA_SMM
# define TOSHIBA_SMM 0
# endif
#endif
#if TOSHIBA_SMM
/*
* Toshiba laptops use a special interface to operate the backlight
*/
#include <sys/ioctl.h>
#define TOSH_PROC "/proc/toshiba"
#define TOSH_DEVICE "/dev/toshiba"
#define TOSH_SMM _IOWR('t', 0x90, 24)
typedef struct {
unsigned int eax;
unsigned int ebx __attribute__ ((packed));
unsigned int ecx __attribute__ ((packed));
unsigned int edx __attribute__ ((packed));
unsigned int esi __attribute__ ((packed));
unsigned int edi __attribute__ ((packed));
} SMMRegisters;
#define HCI_BACKLIGHT 0x0002
#define HCI_DISABLE 0x0000
#define HCI_ENABLE 0x0001
#define HCI_GET 0xfe00,
#define HCI_SET 0xff00
Bool
toshibaDPMS (ScreenPtr pScreen, int mode)
{
SMMRegisters regs;
static int fd;
if (!fd)
fd = open (TOSH_DEVICE, 2);
if (fd < 0)
return FALSE;
regs.eax = HCI_SET;
regs.ebx = HCI_BACKLIGHT;
regs.ecx = mode ? HCI_DISABLE : HCI_ENABLE;
if (ioctl (fd, TOSH_SMM, &regs) < 0)
return FALSE;
return TRUE;
}
#endif /* TOSHIBA_SMM */
Bool
vesaDPMS (ScreenPtr pScreen, int mode)
{
KdScreenPriv(pScreen);
VesaCardPrivPtr priv = pScreenPriv->card->driver;
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
#if TOSHIBA_SMM
if (toshibaDPMS (pScreen, mode))
return TRUE;
#endif
if (pscr->mode.vbe)
return VbeDPMS (priv->vi, priv->vbeInfo, mode);
return FALSE;
}
void
vesaDisable(ScreenPtr pScreen)
{
@@ -1569,6 +1645,13 @@ vesaRestore(KdCardInfo *card)
VesaCardPrivPtr priv = card->driver;
int n;
if (vesa_force_text)
{
if (vesa_verbose)
ErrorF ("Forcing switch back to mode 3 text\n");
priv->old_vbe_mode = -1;
priv->old_vga_mode = 3;
}
for (n = 0; n < priv->nmode; n++)
if (priv->modes[n].vbe && priv->modes[n].mode == (priv->old_vbe_mode&0x3fff))
break;
@@ -1774,6 +1857,9 @@ vesaProcessArgument (int argc, char **argv, int i)
} else if(!strcmp(argv[i], "-verbose")) {
vesa_verbose = TRUE;
return 1;
} else if(!strcmp(argv[i], "-force-text")) {
vesa_force_text = TRUE;
return 1;
}
return 0;