Commit 8bb91f6a authored by Dave Airlie's avatar Dave Airlie
Browse files

intelfb: add hw cursor support for i9xx 



This adds hw cursor support for the i9xx chipsets.

Signed-off-by: default avatarDave Airlie <airlied@linux.ie>
parent 7679f4d6

drivers/video/intelfb/intelfb.h

+2 −0
Original line number Diff line number Diff line
@@ -284,6 +284,8 @@ struct intelfb_info { 
	int pll_index;

};



#define IS_I9xx(dinfo) (((dinfo)->chipset == INTEL_915G)||(dinfo->chipset == INTEL_915GM)||((dinfo)->chipset == INTEL_945G))



/*** function prototypes ***/



extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);

drivers/video/intelfb/intelfbdrv.c

+8 −4
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
 *

 * Copyright  2002, 2003 David Dawes <dawes@xfree86.org>

 *                   2004 Sylvain Meyer

 *                   2006 David Airlie

 *

 * This driver consists of two parts.  The first part (intelfbdrv.c) provides

 * the basic fbdev interfaces, is derived in part from the radeonfb and
@@ -551,8 +552,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) 
	    (ent->device == PCI_DEVICE_ID_INTEL_945G)) {

		aperture_bar = 2;

		mmio_bar = 0;

		/* Disable HW cursor on 9x5G/M (not implemented yet) */

		hwcursor = 0;

	}

	dinfo->aperture.physical = pci_resource_start(pdev, aperture_bar);

	dinfo->aperture.size     = pci_resource_len(pdev, aperture_bar);
@@ -1468,7 +1467,7 @@ static int 
intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor)

{

        struct intelfb_info *dinfo = GET_DINFO(info);



	int ret;

#if VERBOSE > 0

	DBG_MSG("intelfb_cursor\n");

#endif
@@ -1479,7 +1478,12 @@ intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor) 
	intelfbhw_cursor_hide(dinfo);



	/* If XFree killed the cursor - restore it */

	if (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.offset << 12) {

	if (dinfo->mobile || IS_I9xx(dinfo))

	  ret = (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.physical);

	else

	  ret = (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.offset << 12);



	if (ret) {

		u32 fg, bg;



		DBG_MSG("the cursor was killed - restore it !!\n");

drivers/video/intelfb/intelfbhw.c

+7 −3
Original line number Diff line number Diff line
@@ -1742,7 +1742,7 @@ intelfbhw_cursor_init(struct intelfb_info *dinfo) 
	DBG_MSG("intelfbhw_cursor_init\n");

#endif



	if (dinfo->mobile) {

	if (dinfo->mobile || IS_I9xx(dinfo)) {

		if (!dinfo->cursor.physical)

			return;

		tmp = INREG(CURSOR_A_CONTROL);
@@ -1775,7 +1775,7 @@ intelfbhw_cursor_hide(struct intelfb_info *dinfo) 
#endif



	dinfo->cursor_on = 0;

	if (dinfo->mobile) {

	if (dinfo->mobile || IS_I9xx(dinfo)) {

		if (!dinfo->cursor.physical)

			return;

		tmp = INREG(CURSOR_A_CONTROL);
@@ -1805,7 +1805,7 @@ intelfbhw_cursor_show(struct intelfb_info *dinfo) 
	if (dinfo->cursor_blanked)

		return;



	if (dinfo->mobile) {

	if (dinfo->mobile || IS_I9xx(dinfo)) {

		if (!dinfo->cursor.physical)

			return;

		tmp = INREG(CURSOR_A_CONTROL);
@@ -1839,6 +1839,10 @@ intelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y) 
	tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) |

	      ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);

	OUTREG(CURSOR_A_POSITION, tmp);



	if (IS_I9xx(dinfo)) {

		OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical);

	}

}



void