diff options
Diffstat (limited to 'driver/xf86-video-neomagic/src/neo_i2c.c')
-rw-r--r-- | driver/xf86-video-neomagic/src/neo_i2c.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/driver/xf86-video-neomagic/src/neo_i2c.c b/driver/xf86-video-neomagic/src/neo_i2c.c deleted file mode 100644 index 5bbb3fb6f..000000000 --- a/driver/xf86-video-neomagic/src/neo_i2c.c +++ /dev/null @@ -1,104 +0,0 @@ -/********************************************************************** -Copyright 1998, 1999 by Precision Insight, Inc., Cedar Park, Texas. - - All Rights Reserved - -Permission to use, copy, modify, distribute, and sell this software and -its documentation for any purpose is hereby granted without fee, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Precision Insight not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. Precision Insight -and its suppliers make no representations about the suitability of this -software for any purpose. It is provided "as is" without express or -implied warranty. - -PRECISION INSIGHT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, -INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO -EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY -SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER -RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF -CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN -CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -**********************************************************************/ - -/* - * The original Precision Insight driver for - * XFree86 v.3.3 has been sponsored by Red Hat. - * - * Authors: - * Jens Owen (jens@tungstengraphics.com) - * Kevin E. Martin (kevin@precisioninsight.com) - * - * Port to Xfree86 v.4.0 - * 1998, 1999 by Egbert Eich (Egbert.Eich@Physik.TU-Darmstadt.DE) - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "xf86.h" -#include "xf86_OSproc.h" -#include "compiler.h" - -#include "xf86Pci.h" - -#include "vgaHW.h" - -#include "neo.h" - -static void -neo_I2CPutBits(I2CBusPtr b, int clock, int data) { - vgaHWPtr hwp = VGAHWPTR(xf86Screens[b->scrnIndex]); - unsigned int reg = 0xF0; - - VGAwCR(0x21,0x00); - VGAwCR(0x1D,0x01); - - if(clock) reg |= 1; - if(data) reg |= 0x4; - VGAwGR(0xA1,reg); - /*ErrorF("neo_I2CPutBits: %d %d\n", clock, data); */ -} - -static void -neo_I2CGetBits(I2CBusPtr b, int *clock, int *data) { - unsigned int reg; - vgaHWPtr hwp = VGAHWPTR(xf86Screens[b->scrnIndex]); - - reg = VGArGR(0xA1); - *clock = 1 /* (reg & 0x?? ) */; - *data = (reg & 0x8) != 0; - /*ErrorF("neo_I2CGetBits: %d %d\n", *clock, *data);*/ -} - -Bool -neo_I2CInit(ScrnInfoPtr pScrn) -{ - NEOPtr pNeo = NEOPTR(pScrn); - I2CBusPtr I2CPtr; - - I2CPtr = xf86CreateI2CBusRec(); - - if(!I2CPtr) return FALSE; - - pNeo->I2C = I2CPtr; - - I2CPtr->BusName = "I2C bus"; - I2CPtr->scrnIndex = pScrn->scrnIndex; - I2CPtr->I2CPutBits = neo_I2CPutBits; - I2CPtr->I2CGetBits = neo_I2CGetBits; - /* increase these as the defaults are too low */ - I2CPtr->RiseFallTime = 2; - I2CPtr->HoldTime = 40; - - if (!xf86I2CBusInit(I2CPtr)) - return FALSE; - - return TRUE; -} - - - |