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/*
 * Copyright (C) 2008 Maarten Maathuis.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 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.
 *
 */

#ifndef __NV50_FB_H__
#define __NV50_FB_H__

#include "nv50_display.h"

struct nv50_crtc;

struct nv50_fb_info {
	struct mem_block *block;
	int width, height;
	int bpp, depth;
	int pitch;
	int x,y;
};

struct nv50_fb {
	struct mem_block *block;
	int width, height;
	int bpp, depth;
	int pitch;

	int x,y;

	/* function points */
	int (*bind) (struct nv50_crtc *crtc, struct nv50_fb_info *info);
};

int nv50_fb_create(struct nv50_crtc *crtc);
int nv50_fb_destroy(struct nv50_crtc *crtc);

#endif /* __NV50_FB_H__ */
class="hl opt">{ drm_device_t *dev = (drm_device_t *) arg; drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; int status; status = MGA_READ( MGA_STATUS ); /* VBLANK interrupt */ if ( status & MGA_VLINEPEN ) { MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR ); atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); DRM(vbl_send_signals)( dev ); return IRQ_HANDLED; } return IRQ_NONE; } int mga_vblank_wait(drm_device_t *dev, unsigned int *sequence) { unsigned int cur_vblank; int ret = 0; /* Assume that the user has missed the current sequence number * by about a day rather than she wants to wait for years * using vertical blanks... */ DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ, ( ( ( cur_vblank = atomic_read(&dev->vbl_received ) ) - *sequence ) <= (1<<23) ) ); *sequence = cur_vblank; return ret; } void mga_driver_irq_preinstall( drm_device_t *dev ) { drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; /* Disable *all* interrupts */ MGA_WRITE( MGA_IEN, 0 ); /* Clear bits if they're already high */ MGA_WRITE( MGA_ICLEAR, ~0 ); } void mga_driver_irq_postinstall( drm_device_t *dev ) { drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; /* Turn on VBL interrupt */ MGA_WRITE( MGA_IEN, MGA_VLINEIEN ); } void mga_driver_irq_uninstall( drm_device_t *dev ) { drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; if (!dev_priv) return; /* Disable *all* interrupts */ MGA_WRITE( MGA_IEN, 0 ); }