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/drm.h> 28 29 /* WARNING: These defines must be the same as what the Xserver uses. 30 * if you change them, you must change the defines in the Xserver. 31 */ 32 33 #ifndef _VIA_DEFINES_ 34 #define _VIA_DEFINES_ 35 36 #ifndef __KERNEL__ 37 #include "via_drmclient.h" 38 #endif 39 40 #define VIA_NR_SAREA_CLIPRECTS 8 41 #define VIA_NR_XVMC_PORTS 10 42 #define VIA_NR_XVMC_LOCKS 5 43 #define VIA_MAX_CACHELINE_SIZE 64 44 #define XVMCLOCKPTR(saPriv,lockNo) \ 45 ((volatile struct drm_hw_lock *)(((((unsigned long) (saPriv)->XvMCLockArea) + \ 46 (VIA_MAX_CACHELINE_SIZE - 1)) & \ 47 ~(VIA_MAX_CACHELINE_SIZE - 1)) + \ 48 VIA_MAX_CACHELINE_SIZE*(lockNo))) 49 50 /* Each region is a minimum of 64k, and there are at most 64 of them. 51 */ 52 #define VIA_NR_TEX_REGIONS 64 53 #define VIA_LOG_MIN_TEX_REGION_SIZE 16 54 #endif 55 56 #define VIA_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */ 57 #define VIA_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */ 58 #define VIA_UPLOAD_CTX 0x4 59 #define VIA_UPLOAD_BUFFERS 0x8 60 #define VIA_UPLOAD_TEX0 0x10 61 #define VIA_UPLOAD_TEX1 0x20 62 #define VIA_UPLOAD_CLIPRECTS 0x40 63 #define VIA_UPLOAD_ALL 0xff 64 65 /* VIA specific ioctls */ 66 #define DRM_VIA_ALLOCMEM 0x00 67 #define DRM_VIA_FREEMEM 0x01 68 #define DRM_VIA_AGP_INIT 0x02 69 #define DRM_VIA_FB_INIT 0x03 70 #define DRM_VIA_MAP_INIT 0x04 71 #define DRM_VIA_DEC_FUTEX 0x05 72 #define NOT_USED 73 #define DRM_VIA_DMA_INIT 0x07 74 #define DRM_VIA_CMDBUFFER 0x08 75 #define DRM_VIA_FLUSH 0x09 76 #define DRM_VIA_PCICMD 0x0a 77 #define DRM_VIA_CMDBUF_SIZE 0x0b 78 #define NOT_USED 79 #define DRM_VIA_WAIT_IRQ 0x0d 80 #define DRM_VIA_DMA_BLIT 0x0e 81 #define DRM_VIA_BLIT_SYNC 0x0f 82 83 #define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t) 84 #define DRM_IOCTL_VIA_FREEMEM DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t) 85 #define DRM_IOCTL_VIA_AGP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_AGP_INIT, drm_via_agp_t) 86 #define DRM_IOCTL_VIA_FB_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t) 87 #define DRM_IOCTL_VIA_MAP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t) 88 #define DRM_IOCTL_VIA_DEC_FUTEX DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t) 89 #define DRM_IOCTL_VIA_DMA_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t) 90 #define DRM_IOCTL_VIA_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t) 91 #define DRM_IOCTL_VIA_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_VIA_FLUSH) 92 #define DRM_IOCTL_VIA_PCICMD DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_PCICMD, drm_via_cmdbuffer_t) 93 #define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \ 94 drm_via_cmdbuf_size_t) 95 #define DRM_IOCTL_VIA_WAIT_IRQ DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t) 96 #define DRM_IOCTL_VIA_DMA_BLIT DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t) 97 #define DRM_IOCTL_VIA_BLIT_SYNC DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t) 98 99 /* Indices into buf.Setup where various bits of state are mirrored per 100 * context and per buffer. These can be fired at the card as a unit, 101 * or in a piecewise fashion as required. 102 */ 103 104 #define VIA_TEX_SETUP_SIZE 8 105 106 /* Flags for clear ioctl 107 */ 108 #define VIA_FRONT 0x1 109 #define VIA_BACK 0x2 110 #define VIA_DEPTH 0x4 111 #define VIA_STENCIL 0x8 112 #define VIA_MEM_VIDEO 0 /* matches drm constant */ 113 #define VIA_MEM_AGP 1 /* matches drm constant */ 114 #define VIA_MEM_SYSTEM 2 115 #define VIA_MEM_MIXED 3 116 #define VIA_MEM_UNKNOWN 4 117 118 typedef struct { 119 __u32 offset; 120 __u32 size; 121 } drm_via_agp_t; 122 123 typedef struct { 124 __u32 offset; 125 __u32 size; 126 } drm_via_fb_t; 127 128 typedef struct { 129 __u32 context; 130 __u32 type; 131 __u32 size; 132 unsigned long index; 133 unsigned long offset; 134 } drm_via_mem_t; 135 136 typedef struct _drm_via_init { 137 enum { 138 VIA_INIT_MAP = 0x01, 139 VIA_CLEANUP_MAP = 0x02 140 } func; 141 142 unsigned long sarea_priv_offset; 143 unsigned long fb_offset; 144 unsigned long mmio_offset; 145 unsigned long agpAddr; 146 } drm_via_init_t; 147 148 typedef struct _drm_via_futex { 149 enum { 150 VIA_FUTEX_WAIT = 0x00, 151 VIA_FUTEX_WAKE = 0X01 152 } func; 153 __u32 ms; 154 __u32 lock; 155 __u32 val; 156 } drm_via_futex_t; 157 158 typedef struct _drm_via_dma_init { 159 enum { 160 VIA_INIT_DMA = 0x01, 161 VIA_CLEANUP_DMA = 0x02, 162 VIA_DMA_INITIALIZED = 0x03 163 } func; 164 165 unsigned long offset; 166 unsigned long size; 167 unsigned long reg_pause_addr; 168 } drm_via_dma_init_t; 169 170 typedef struct _drm_via_cmdbuffer { 171 char __user *buf; 172 unsigned long size; 173 } drm_via_cmdbuffer_t; 174 175 /* Warning: If you change the SAREA structure you must change the Xserver 176 * structure as well */ 177 178 typedef struct _drm_via_tex_region { 179 unsigned char next, prev; /* indices to form a circular LRU */ 180 unsigned char inUse; /* owned by a client, or free? */ 181 int age; /* tracked by clients to update local LRU's */ 182 } drm_via_tex_region_t; 183 184 typedef struct _drm_via_sarea { 185 unsigned int dirty; 186 unsigned int nbox; 187 struct drm_clip_rect boxes[VIA_NR_SAREA_CLIPRECTS]; 188 drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1]; 189 int texAge; /* last time texture was uploaded */ 190 int ctxOwner; /* last context to upload state */ 191 int vertexPrim; 192 193 /* 194 * Below is for XvMC. 195 * We want the lock integers alone on, and aligned to, a cache line. 196 * Therefore this somewhat strange construct. 197 */ 198 199 char XvMCLockArea[VIA_MAX_CACHELINE_SIZE * (VIA_NR_XVMC_LOCKS + 1)]; 200 201 unsigned int XvMCDisplaying[VIA_NR_XVMC_PORTS]; 202 unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS]; 203 unsigned int XvMCCtxNoGrabbed; /* Last context to hold decoder */ 204 205 /* Used by the 3d driver only at this point, for pageflipping: 206 */ 207 unsigned int pfCurrentOffset; 208 } drm_via_sarea_t; 209 210 typedef struct _drm_via_cmdbuf_size { 211 enum { 212 VIA_CMDBUF_SPACE = 0x01, 213 VIA_CMDBUF_LAG = 0x02 214 } func; 215 int wait; 216 __u32 size; 217 } drm_via_cmdbuf_size_t; 218 219 typedef enum { 220 VIA_IRQ_ABSOLUTE = 0x0, 221 VIA_IRQ_RELATIVE = 0x1, 222 VIA_IRQ_SIGNAL = 0x10000000, 223 VIA_IRQ_FORCE_SEQUENCE = 0x20000000 224 } via_irq_seq_type_t; 225 226 #define VIA_IRQ_FLAGS_MASK 0xF0000000 227 228 enum drm_via_irqs { 229 drm_via_irq_hqv0 = 0, 230 drm_via_irq_hqv1, 231 drm_via_irq_dma0_dd, 232 drm_via_irq_dma0_td, 233 drm_via_irq_dma1_dd, 234 drm_via_irq_dma1_td, 235 drm_via_irq_num 236 }; 237 238 struct drm_via_wait_irq_request { 239 unsigned irq; 240 via_irq_seq_type_t type; 241 __u32 sequence; 242 __u32 signal; 243 }; 244 245 typedef union drm_via_irqwait { 246 struct drm_via_wait_irq_request request; 247 struct drm_wait_vblank_reply reply; 248 } drm_via_irqwait_t; 249 250 typedef struct drm_via_blitsync { 251 __u32 sync_handle; 252 unsigned engine; 253 } drm_via_blitsync_t; 254 255 /* - * Below,"flags" is currently unused but will be used for possible future 256 * extensions like kernel space bounce buffers for bad alignments and 257 * blit engine busy-wait polling for better latency in the absence of 258 * interrupts. 259 */ 260 261 typedef struct drm_via_dmablit { 262 __u32 num_lines; 263 __u32 line_length; 264 265 __u32 fb_addr; 266 __u32 fb_stride; 267 268 unsigned char *mem_addr; 269 __u32 mem_stride; 270 271 __u32 flags; 272 int to_fb; 273 274 drm_via_blitsync_t sync; 275 } drm_via_dmablit_t; 276 277 #endif /* _VIA_DRM_H_ */ 278