io/gfx_private/gfxp_vgatext.c

4  * The contents of this file are subject to the terms of the
24  * Use is subject to license terms.
154  * Global name used to write the softc pointer in, for the
217  *       we work on a set of commitable interfaces to sunpci.c.
219  * Use the class code to determine if the device is a PCI-to-PCI bridge.
254 	 * of the 1.1 PCI-to-PCI Bridge Architecture Specification
305 		/* VGAEnable is set only for PCI-to-PCI bridges. */
617 		 * At the moment, text mode is not considered to have
668  * 	Routines to save and restore contents of the VGA text area
669  * Mostly, this is to support Suspend/Resume operation for graphics
732 		 * We want first, therefore, to restore textmode
734 		 * do the rest to restore the device to its
804 		 * In order to avoid racing with a starting X server,
805 		 * this needs to be a test and set that is performed in
877  *	 assume it has been cropped to fit.
893 	 * Sanity checks.  This is a last-ditch effort to avoid damage
904 	 * should support these ioctls from userland to enable simple
928  * screen-to-screen copy
935 	unsigned short	*to;
944 	 * Sanity checks.  Note that this is a last-ditch effort to avoid
958 	 * Remember we're going to copy shorts because each
976 			to = to_row_start;
981 				*to++ = *from++;
985 		 * Offset to the end of the region and copy backwards.
994 			to = to_row_start;
997 				*--to = *--from;
1025 		 * Sanity check.  This is a last-ditch effort to avoid
1094  * set to graphics, a preliminary implementation of happyface boot.
1104 	/* we are in graphics mode, set to text 80X25 mode */
1188 	unsigned char *to;
1194  * The newboot code to use font plane 2 breaks NVIDIA
1195  * (and some ATI) behavior.  Revert back to the S10
1200 	 * I'm embarassed to say that I don't know what these magic
1202 	 * memory window to allow font setup".  I stole them straight
1217 		to = (unsigned char *)softc->fb.addr + i * 0x20;
1219 			*to++ = *from++;
1269  * (b) uncertainty as to whether an entry will be included on a device
1374  * This vgatext function is used to return the fb, and reg pointers