Initial revision

1 files changed, 116 insertions, 0 deletions

diff --git a/linux/i830.h b/linux/i830.h
new file mode 100644
index 00000000..fb7a0b32
--- /dev/null
+++ b/linux/i830.h
@@ -0,0 +1,116 @@
+/* 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