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authorDavid Dawes <dawes@xfree86.org>2002-01-27 18:23:04 +0000
committerDavid Dawes <dawes@xfree86.org>2002-01-27 18:23:04 +0000
commit16bd14926e02e4dbc6e74689bdb3eb90f30a0233 (patch)
tree9d7cb6b98165c9e2a9091c41a39acca11d6fa162 /linux/i830.h
parentf18a6d836b5e0081dff9217b44e88e74c421c576 (diff)
Initial revision
Diffstat (limited to 'linux/i830.h')
-rw-r--r--linux/i830.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/linux/i830.h b/linux/i830.h
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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