diff options
Diffstat (limited to 'linux/i830.h')
| -rw-r--r-- | linux/i830.h | 116 |
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 |