i830.h
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上传日期:2013-04-10
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- /* i830.h -- Intel I830 DRM template customization -*- linux-c -*-
- * Created: Thu Feb 15 00:01:12 2001 by gareth@valinux.com
- *
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Gareth Hughes <gareth@valinux.com>
- */
- #ifndef __I830_H__
- #define __I830_H__
- /* This remains constant for all DRM template files.
- */
- #define DRM(x) i830_##x
- /* General customization:
- */
- #define __HAVE_AGP 1
- #define __MUST_HAVE_AGP 1
- #define __HAVE_MTRR 1
- #define __HAVE_CTX_BITMAP 1
- /* Driver customization:
- */
- #define __HAVE_RELEASE 1
- #define DRIVER_RELEASE() do {
- i830_reclaim_buffers( dev, priv->pid );
- } while (0)
- /* DMA customization:
- */
- #define __HAVE_DMA 1
- #define __HAVE_DMA_QUEUE 1
- #define __HAVE_DMA_WAITLIST 1
- #define __HAVE_DMA_RECLAIM 1
- #define __HAVE_DMA_QUIESCENT 1
- #define DRIVER_DMA_QUIESCENT() do {
- i830_dma_quiescent( dev );
- } while (0)
- #define __HAVE_DMA_IRQ 1
- #define __HAVE_DMA_IRQ_BH 1
- #define __HAVE_SHARED_IRQ 1
- #define DRIVER_PREINSTALL() do {
- drm_i830_private_t *dev_priv =
- (drm_i830_private_t *)dev->dev_private;
- u16 tmp;
- tmp = I830_READ16( I830REG_HWSTAM );
- tmp = tmp & 0x6000;
- I830_WRITE16( I830REG_HWSTAM, tmp );
-
- tmp = I830_READ16( I830REG_INT_MASK_R );
- tmp = tmp & 0x6000; /* Unmask interrupts */
- I830_WRITE16( I830REG_INT_MASK_R, tmp );
- tmp = I830_READ16( I830REG_INT_ENABLE_R );
- tmp = tmp & 0x6000; /* Disable all interrupts */
- I830_WRITE16( I830REG_INT_ENABLE_R, tmp );
- } while (0)
- #define DRIVER_POSTINSTALL() do {
- drm_i830_private_t *dev_priv =
- (drm_i830_private_t *)dev->dev_private;
- u16 tmp;
- tmp = I830_READ16( I830REG_INT_ENABLE_R );
- tmp = tmp & 0x6000;
- tmp = tmp | 0x0003; /* Enable bp & user interrupts */
- I830_WRITE16( I830REG_INT_ENABLE_R, tmp );
- } while (0)
- #define DRIVER_UNINSTALL() do {
- drm_i830_private_t *dev_priv =
- (drm_i830_private_t *)dev->dev_private;
- u16 tmp;
- if ( dev_priv ) {
- tmp = I830_READ16( I830REG_INT_IDENTITY_R );
- tmp = tmp & ~(0x6000); /* Clear all interrupts */
- if ( tmp != 0 )
- I830_WRITE16( I830REG_INT_IDENTITY_R, tmp );
-
- tmp = I830_READ16( I830REG_INT_ENABLE_R );
- tmp = tmp & 0x6000; /* Disable all interrupts */
- I830_WRITE16( I830REG_INT_ENABLE_R, tmp );
- }
- } while (0)
- /* Buffer customization:
- */
- #define DRIVER_BUF_PRIV_T drm_i830_buf_priv_t
- #define DRIVER_AGP_BUFFERS_MAP( dev )
- ((drm_i830_private_t *)((dev)->dev_private))->buffer_map
- #endif