via_drm.h (8348B)
1/* 2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. 3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sub license, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the 13 * next paragraph) shall be included in all copies or substantial portions 14 * of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 */ 24#ifndef _VIA_DRM_H_ 25#define _VIA_DRM_H_ 26 27#include "drm.h" 28 29#if defined(__cplusplus) 30extern "C" { 31#endif 32 33/* WARNING: These defines must be the same as what the Xserver uses. 34 * if you change them, you must change the defines in the Xserver. 35 */ 36 37#ifndef _VIA_DEFINES_ 38#define _VIA_DEFINES_ 39 40 41#define VIA_NR_SAREA_CLIPRECTS 8 42#define VIA_NR_XVMC_PORTS 10 43#define VIA_NR_XVMC_LOCKS 5 44#define VIA_MAX_CACHELINE_SIZE 64 45#define XVMCLOCKPTR(saPriv,lockNo) \ 46 ((volatile struct drm_hw_lock *)(((((unsigned long) (saPriv)->XvMCLockArea) + \ 47 (VIA_MAX_CACHELINE_SIZE - 1)) & \ 48 ~(VIA_MAX_CACHELINE_SIZE - 1)) + \ 49 VIA_MAX_CACHELINE_SIZE*(lockNo))) 50 51/* Each region is a minimum of 64k, and there are at most 64 of them. 52 */ 53#define VIA_NR_TEX_REGIONS 64 54#define VIA_LOG_MIN_TEX_REGION_SIZE 16 55#endif 56 57#define VIA_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */ 58#define VIA_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */ 59#define VIA_UPLOAD_CTX 0x4 60#define VIA_UPLOAD_BUFFERS 0x8 61#define VIA_UPLOAD_TEX0 0x10 62#define VIA_UPLOAD_TEX1 0x20 63#define VIA_UPLOAD_CLIPRECTS 0x40 64#define VIA_UPLOAD_ALL 0xff 65 66/* VIA specific ioctls */ 67#define DRM_VIA_ALLOCMEM 0x00 68#define DRM_VIA_FREEMEM 0x01 69#define DRM_VIA_AGP_INIT 0x02 70#define DRM_VIA_FB_INIT 0x03 71#define DRM_VIA_MAP_INIT 0x04 72#define DRM_VIA_DEC_FUTEX 0x05 73#define NOT_USED 74#define DRM_VIA_DMA_INIT 0x07 75#define DRM_VIA_CMDBUFFER 0x08 76#define DRM_VIA_FLUSH 0x09 77#define DRM_VIA_PCICMD 0x0a 78#define DRM_VIA_CMDBUF_SIZE 0x0b 79#define NOT_USED 80#define DRM_VIA_WAIT_IRQ 0x0d 81#define DRM_VIA_DMA_BLIT 0x0e 82#define DRM_VIA_BLIT_SYNC 0x0f 83 84#define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t) 85#define DRM_IOCTL_VIA_FREEMEM DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t) 86#define DRM_IOCTL_VIA_AGP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_AGP_INIT, drm_via_agp_t) 87#define DRM_IOCTL_VIA_FB_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t) 88#define DRM_IOCTL_VIA_MAP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t) 89#define DRM_IOCTL_VIA_DEC_FUTEX DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t) 90#define DRM_IOCTL_VIA_DMA_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t) 91#define DRM_IOCTL_VIA_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t) 92#define DRM_IOCTL_VIA_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_VIA_FLUSH) 93#define DRM_IOCTL_VIA_PCICMD DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_PCICMD, drm_via_cmdbuffer_t) 94#define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \ 95 drm_via_cmdbuf_size_t) 96#define DRM_IOCTL_VIA_WAIT_IRQ DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t) 97#define DRM_IOCTL_VIA_DMA_BLIT DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t) 98#define DRM_IOCTL_VIA_BLIT_SYNC DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t) 99 100/* Indices into buf.Setup where various bits of state are mirrored per 101 * context and per buffer. These can be fired at the card as a unit, 102 * or in a piecewise fashion as required. 103 */ 104 105#define VIA_TEX_SETUP_SIZE 8 106 107/* Flags for clear ioctl 108 */ 109#define VIA_FRONT 0x1 110#define VIA_BACK 0x2 111#define VIA_DEPTH 0x4 112#define VIA_STENCIL 0x8 113#define VIA_MEM_VIDEO 0 /* matches drm constant */ 114#define VIA_MEM_AGP 1 /* matches drm constant */ 115#define VIA_MEM_SYSTEM 2 116#define VIA_MEM_MIXED 3 117#define VIA_MEM_UNKNOWN 4 118 119typedef struct { 120 __u32 offset; 121 __u32 size; 122} drm_via_agp_t; 123 124typedef struct { 125 __u32 offset; 126 __u32 size; 127} drm_via_fb_t; 128 129typedef struct { 130 __u32 context; 131 __u32 type; 132 __u32 size; 133 unsigned long index; 134 unsigned long offset; 135} drm_via_mem_t; 136 137typedef struct _drm_via_init { 138 enum { 139 VIA_INIT_MAP = 0x01, 140 VIA_CLEANUP_MAP = 0x02 141 } func; 142 143 unsigned long sarea_priv_offset; 144 unsigned long fb_offset; 145 unsigned long mmio_offset; 146 unsigned long agpAddr; 147} drm_via_init_t; 148 149typedef struct _drm_via_futex { 150 enum { 151 VIA_FUTEX_WAIT = 0x00, 152 VIA_FUTEX_WAKE = 0X01 153 } func; 154 __u32 ms; 155 __u32 lock; 156 __u32 val; 157} drm_via_futex_t; 158 159typedef struct _drm_via_dma_init { 160 enum { 161 VIA_INIT_DMA = 0x01, 162 VIA_CLEANUP_DMA = 0x02, 163 VIA_DMA_INITIALIZED = 0x03 164 } func; 165 166 unsigned long offset; 167 unsigned long size; 168 unsigned long reg_pause_addr; 169} drm_via_dma_init_t; 170 171typedef struct _drm_via_cmdbuffer { 172 char __user *buf; 173 unsigned long size; 174} drm_via_cmdbuffer_t; 175 176/* Warning: If you change the SAREA structure you must change the Xserver 177 * structure as well */ 178 179typedef struct _drm_via_tex_region { 180 unsigned char next, prev; /* indices to form a circular LRU */ 181 unsigned char inUse; /* owned by a client, or free? */ 182 int age; /* tracked by clients to update local LRU's */ 183} drm_via_tex_region_t; 184 185typedef struct _drm_via_sarea { 186 unsigned int dirty; 187 unsigned int nbox; 188 struct drm_clip_rect boxes[VIA_NR_SAREA_CLIPRECTS]; 189 drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1]; 190 int texAge; /* last time texture was uploaded */ 191 int ctxOwner; /* last context to upload state */ 192 int vertexPrim; 193 194 /* 195 * Below is for XvMC. 196 * We want the lock integers alone on, and aligned to, a cache line. 197 * Therefore this somewhat strange construct. 198 */ 199 200 char XvMCLockArea[VIA_MAX_CACHELINE_SIZE * (VIA_NR_XVMC_LOCKS + 1)]; 201 202 unsigned int XvMCDisplaying[VIA_NR_XVMC_PORTS]; 203 unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS]; 204 unsigned int XvMCCtxNoGrabbed; /* Last context to hold decoder */ 205 206 /* Used by the 3d driver only at this point, for pageflipping: 207 */ 208 unsigned int pfCurrentOffset; 209} drm_via_sarea_t; 210 211typedef struct _drm_via_cmdbuf_size { 212 enum { 213 VIA_CMDBUF_SPACE = 0x01, 214 VIA_CMDBUF_LAG = 0x02 215 } func; 216 int wait; 217 __u32 size; 218} drm_via_cmdbuf_size_t; 219 220typedef enum { 221 VIA_IRQ_ABSOLUTE = 0x0, 222 VIA_IRQ_RELATIVE = 0x1, 223 VIA_IRQ_SIGNAL = 0x10000000, 224 VIA_IRQ_FORCE_SEQUENCE = 0x20000000 225} via_irq_seq_type_t; 226 227#define VIA_IRQ_FLAGS_MASK 0xF0000000 228 229enum drm_via_irqs { 230 drm_via_irq_hqv0 = 0, 231 drm_via_irq_hqv1, 232 drm_via_irq_dma0_dd, 233 drm_via_irq_dma0_td, 234 drm_via_irq_dma1_dd, 235 drm_via_irq_dma1_td, 236 drm_via_irq_num 237}; 238 239struct drm_via_wait_irq_request { 240 unsigned irq; 241 via_irq_seq_type_t type; 242 __u32 sequence; 243 __u32 signal; 244}; 245 246typedef union drm_via_irqwait { 247 struct drm_via_wait_irq_request request; 248 struct drm_wait_vblank_reply reply; 249} drm_via_irqwait_t; 250 251typedef struct drm_via_blitsync { 252 __u32 sync_handle; 253 unsigned engine; 254} drm_via_blitsync_t; 255 256/* - * Below,"flags" is currently unused but will be used for possible future 257 * extensions like kernel space bounce buffers for bad alignments and 258 * blit engine busy-wait polling for better latency in the absence of 259 * interrupts. 260 */ 261 262typedef struct drm_via_dmablit { 263 __u32 num_lines; 264 __u32 line_length; 265 266 __u32 fb_addr; 267 __u32 fb_stride; 268 269 unsigned char *mem_addr; 270 __u32 mem_stride; 271 272 __u32 flags; 273 int to_fb; 274 275 drm_via_blitsync_t sync; 276} drm_via_dmablit_t; 277 278#if defined(__cplusplus) 279} 280#endif 281 282#endif /* _VIA_DRM_H_ */