1 /* i830.h -- Intel I830 DRM template customization -*- linux-c -*- 2 * Created: Thu Feb 15 00:01:12 2001 by gareth@valinux.com 3 * 4 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * Authors: 27 * Gareth Hughes <gareth@valinux.com> 28 */ 29 30 #ifndef __I830_H__ 31 #define __I830_H__ 32 33 /* This remains constant for all DRM template files. 34 */ 35 #define DRM(x) i830_##x 36 37 /* General customization: 38 */ 39 #define __HAVE_AGP 1 40 #define __MUST_HAVE_AGP 1 41 #define __HAVE_MTRR 1 42 #define __HAVE_CTX_BITMAP 1 43 44 #define DRIVER_AUTHOR "VA Linux Systems Inc." 45 46 #define DRIVER_NAME "i830" 47 #define DRIVER_DESC "Intel 830M" 48 #define DRIVER_DATE "20021108" 49 50 /* Interface history: 51 * 52 * 1.1: Original. 53 * 1.2: ? 54 * 1.3: New irq emit/wait ioctls. 55 * New pageflip ioctl. 56 * New getparam ioctl. 57 * State for texunits 3&4 in sarea. 58 * New (alternative) layout for texture state. 59 */ 60 #define DRIVER_MAJOR 1 61 #define DRIVER_MINOR 3 62 #define DRIVER_PATCHLEVEL 2 63 64 #define DRIVER_IOCTLS \ 65 [DRM_IOCTL_NR(DRM_IOCTL_I830_INIT)] = { i830_dma_init, 1, 1 }, \ 66 [DRM_IOCTL_NR(DRM_IOCTL_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, \ 67 [DRM_IOCTL_NR(DRM_IOCTL_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, \ 68 [DRM_IOCTL_NR(DRM_IOCTL_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, \ 69 [DRM_IOCTL_NR(DRM_IOCTL_I830_GETAGE)] = { i830_getage, 1, 0 }, \ 70 [DRM_IOCTL_NR(DRM_IOCTL_I830_GETBUF)] = { i830_getbuf, 1, 0 }, \ 71 [DRM_IOCTL_NR(DRM_IOCTL_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, \ 72 [DRM_IOCTL_NR(DRM_IOCTL_I830_COPY)] = { i830_copybuf, 1, 0 }, \ 73 [DRM_IOCTL_NR(DRM_IOCTL_I830_DOCOPY)] = { i830_docopy, 1, 0 }, \ 74 [DRM_IOCTL_NR(DRM_IOCTL_I830_FLIP)] = { i830_flip_bufs, 1, 0 }, \ 75 [DRM_IOCTL_NR(DRM_IOCTL_I830_IRQ_EMIT)] = { i830_irq_emit, 1, 0 }, \ 76 [DRM_IOCTL_NR(DRM_IOCTL_I830_IRQ_WAIT)] = { i830_irq_wait, 1, 0 }, \ 77 [DRM_IOCTL_NR(DRM_IOCTL_I830_GETPARAM)] = { i830_getparam, 1, 0 }, \ 78 [DRM_IOCTL_NR(DRM_IOCTL_I830_SETPARAM)] = { i830_setparam, 1, 0 } 79 80 #define __HAVE_COUNTERS 4 81 #define __HAVE_COUNTER6 _DRM_STAT_IRQ 82 #define __HAVE_COUNTER7 _DRM_STAT_PRIMARY 83 #define __HAVE_COUNTER8 _DRM_STAT_SECONDARY 84 #define __HAVE_COUNTER9 _DRM_STAT_DMA 85 86 /* Driver customization: 87 */ 88 #define __HAVE_RELEASE 1 89 #define DRIVER_RELEASE() do { \ 90 i830_reclaim_buffers( dev, priv->pid ); \ 91 } while (0) 92 93 /* DMA customization: 94 */ 95 #define __HAVE_DMA 1 96 #define __HAVE_DMA_QUEUE 1 97 #define __HAVE_DMA_WAITLIST 1 98 #define __HAVE_DMA_RECLAIM 1 99 100 #define __HAVE_DMA_QUIESCENT 1 101 #define DRIVER_DMA_QUIESCENT() do { \ 102 i830_dma_quiescent( dev ); \ 103 } while (0) 104 105 106 /* Driver will work either way: IRQ's save cpu time when waiting for 107 * the card, but are subject to subtle interactions between bios, 108 * hardware and the driver. 109 */ 110 #define USE_IRQS 0 111 112 113 #if USE_IRQS 114 #define __HAVE_DMA_IRQ 1 115 #define __HAVE_SHARED_IRQ 1 116 117 #define DRIVER_PREINSTALL() do { \ 118 drm_i830_private_t *dev_priv = \ 119 (drm_i830_private_t *)dev->dev_private; \ 120 \ 121 I830_WRITE16( I830REG_HWSTAM, 0xffff ); \ 122 I830_WRITE16( I830REG_INT_MASK_R, 0x0 ); \ 123 I830_WRITE16( I830REG_INT_ENABLE_R, 0x0 ); \ 124 } while (0) 125 126 127 #define DRIVER_POSTINSTALL() do { \ 128 drm_i830_private_t *dev_priv = \ 129 (drm_i830_private_t *)dev->dev_private; \ 130 I830_WRITE16( I830REG_INT_ENABLE_R, 0x2 ); \ 131 atomic_set(&dev_priv->irq_received, 0); \ 132 atomic_set(&dev_priv->irq_emitted, 0); \ 133 init_waitqueue_head(&dev_priv->irq_queue); \ 134 } while (0) 135 136 137 /* This gets called too late to be useful: dev_priv has already been 138 * freed. 139 */ 140 #define DRIVER_UNINSTALL() do { \ 141 } while (0) 142 143 #else 144 #define __HAVE_DMA_IRQ 0 145 #endif 146 147 148 149 /* Buffer customization: 150 */ 151 152 #define DRIVER_BUF_PRIV_T drm_i830_buf_priv_t 153 154 #define DRIVER_AGP_BUFFERS_MAP( dev ) \ 155 ((drm_i830_private_t *)((dev)->dev_private))->buffer_map 156 157 #endif 158