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) 30 extern "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 #include "via_drmclient.h" 41 42 #define VIA_NR_SAREA_CLIPRECTS 8 43 #define VIA_NR_XVMC_PORTS 10 44 #define VIA_NR_XVMC_LOCKS 5 45 #define VIA_MAX_CACHELINE_SIZE 64 46 #define XVMCLOCKPTR(saPriv,lockNo) \ 47 ((__volatile__ struct drm_hw_lock *)(((((unsigned long) (saPriv)->XvMCLockArea) + \ 48 (VIA_MAX_CACHELINE_SIZE - 1)) & \ 49 ~(VIA_MAX_CACHELINE_SIZE - 1)) + \ 50 VIA_MAX_CACHELINE_SIZE*(lockNo))) 51 52 /* Each region is a minimum of 64k, and there are at most 64 of them. 53 */ 54 #define VIA_NR_TEX_REGIONS 64 55 #define VIA_LOG_MIN_TEX_REGION_SIZE 16 56 #endif 57 58 #define VIA_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */ 59 #define VIA_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */ 60 #define VIA_UPLOAD_CTX 0x4 61 #define VIA_UPLOAD_BUFFERS 0x8 62 #define VIA_UPLOAD_TEX0 0x10 63 #define VIA_UPLOAD_TEX1 0x20 64 #define VIA_UPLOAD_CLIPRECTS 0x40 65 #define VIA_UPLOAD_ALL 0xff 66 67 /* VIA specific ioctls */ 68 #define DRM_VIA_ALLOCMEM 0x00 69 #define DRM_VIA_FREEMEM 0x01 70 #define DRM_VIA_AGP_INIT 0x02 71 #define DRM_VIA_FB_INIT 0x03 72 #define DRM_VIA_MAP_INIT 0x04 73 #define DRM_VIA_DEC_FUTEX 0x05 74 #define NOT_USED 75 #define DRM_VIA_DMA_INIT 0x07 76 #define DRM_VIA_CMDBUFFER 0x08 77 #define DRM_VIA_FLUSH 0x09 78 #define DRM_VIA_PCICMD 0x0a 79 #define DRM_VIA_CMDBUF_SIZE 0x0b 80 #define NOT_USED 81 #define DRM_VIA_WAIT_IRQ 0x0d 82 #define DRM_VIA_DMA_BLIT 0x0e 83 #define DRM_VIA_BLIT_SYNC 0x0f 84 85 #define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t) 86 #define DRM_IOCTL_VIA_FREEMEM DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t) 87 #define DRM_IOCTL_VIA_AGP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_AGP_INIT, drm_via_agp_t) 88 #define DRM_IOCTL_VIA_FB_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t) 89 #define DRM_IOCTL_VIA_MAP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t) 90 #define DRM_IOCTL_VIA_DEC_FUTEX DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t) 91 #define DRM_IOCTL_VIA_DMA_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t) 92 #define DRM_IOCTL_VIA_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t) 93 #define DRM_IOCTL_VIA_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_VIA_FLUSH) 94 #define DRM_IOCTL_VIA_PCICMD DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_PCICMD, drm_via_cmdbuffer_t) 95 #define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \ 96 drm_via_cmdbuf_size_t) 97 #define DRM_IOCTL_VIA_WAIT_IRQ DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t) 98 #define DRM_IOCTL_VIA_DMA_BLIT DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t) 99 #define DRM_IOCTL_VIA_BLIT_SYNC DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t) 100 101 /* Indices into buf.Setup where various bits of state are mirrored per 102 * context and per buffer. These can be fired at the card as a unit, 103 * or in a piecewise fashion as required. 104 */ 105 106 #define VIA_TEX_SETUP_SIZE 8 107 108 /* Flags for clear ioctl 109 */ 110 #define VIA_FRONT 0x1 111 #define VIA_BACK 0x2 112 #define VIA_DEPTH 0x4 113 #define VIA_STENCIL 0x8 114 #define VIA_MEM_VIDEO 0 /* matches drm constant */ 115 #define VIA_MEM_AGP 1 /* matches drm constant */ 116 #define VIA_MEM_SYSTEM 2 117 #define VIA_MEM_MIXED 3 118 #define VIA_MEM_UNKNOWN 4 119 120 typedef struct { 121 __u32 offset; 122 __u32 size; 123 } drm_via_agp_t; 124 125 typedef struct { 126 __u32 offset; 127 __u32 size; 128 } drm_via_fb_t; 129 130 typedef struct { 131 __u32 context; 132 __u32 type; 133 __u32 size; 134 unsigned long index; 135 unsigned long offset; 136 } drm_via_mem_t; 137 138 typedef struct _drm_via_init { 139 enum { 140 VIA_INIT_MAP = 0x01, 141 VIA_CLEANUP_MAP = 0x02 142 } func; 143 144 unsigned long sarea_priv_offset; 145 unsigned long fb_offset; 146 unsigned long mmio_offset; 147 unsigned long agpAddr; 148 } drm_via_init_t; 149 150 typedef struct _drm_via_futex { 151 enum { 152 VIA_FUTEX_WAIT = 0x00, 153 VIA_FUTEX_WAKE = 0X01 154 } func; 155 __u32 ms; 156 __u32 lock; 157 __u32 val; 158 } drm_via_futex_t; 159 160 typedef struct _drm_via_dma_init { 161 enum { 162 VIA_INIT_DMA = 0x01, 163 VIA_CLEANUP_DMA = 0x02, 164 VIA_DMA_INITIALIZED = 0x03 165 } func; 166 167 unsigned long offset; 168 unsigned long size; 169 unsigned long reg_pause_addr; 170 } drm_via_dma_init_t; 171 172 typedef struct _drm_via_cmdbuffer { 173 char *buf; 174 unsigned long size; 175 } drm_via_cmdbuffer_t; 176 177 /* Warning: If you change the SAREA structure you must change the Xserver 178 * structure as well */ 179 180 typedef struct _drm_via_tex_region { 181 unsigned char next, prev; /* indices to form a circular LRU */ 182 unsigned char inUse; /* owned by a client, or free? */ 183 int age; /* tracked by clients to update local LRU's */ 184 } drm_via_tex_region_t; 185 186 typedef struct _drm_via_sarea { 187 unsigned int dirty; 188 unsigned int nbox; 189 struct drm_clip_rect boxes[VIA_NR_SAREA_CLIPRECTS]; 190 drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1]; 191 int texAge; /* last time texture was uploaded */ 192 int ctxOwner; /* last context to upload state */ 193 int vertexPrim; 194 195 /* 196 * Below is for XvMC. 197 * We want the lock integers alone on, and aligned to, a cache line. 198 * Therefore this somewhat strange construct. 199 */ 200 201 char XvMCLockArea[VIA_MAX_CACHELINE_SIZE * (VIA_NR_XVMC_LOCKS + 1)]; 202 203 unsigned int XvMCDisplaying[VIA_NR_XVMC_PORTS]; 204 unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS]; 205 unsigned int XvMCCtxNoGrabbed; /* Last context to hold decoder */ 206 207 /* Used by the 3d driver only at this point, for pageflipping: 208 */ 209 unsigned int pfCurrentOffset; 210 } drm_via_sarea_t; 211 212 typedef struct _drm_via_cmdbuf_size { 213 enum { 214 VIA_CMDBUF_SPACE = 0x01, 215 VIA_CMDBUF_LAG = 0x02 216 } func; 217 int wait; 218 __u32 size; 219 } drm_via_cmdbuf_size_t; 220 221 typedef enum { 222 VIA_IRQ_ABSOLUTE = 0x0, 223 VIA_IRQ_RELATIVE = 0x1, 224 VIA_IRQ_SIGNAL = 0x10000000, 225 VIA_IRQ_FORCE_SEQUENCE = 0x20000000 226 } via_irq_seq_type_t; 227 228 #define VIA_IRQ_FLAGS_MASK 0xF0000000 229 230 enum drm_via_irqs { 231 drm_via_irq_hqv0 = 0, 232 drm_via_irq_hqv1, 233 drm_via_irq_dma0_dd, 234 drm_via_irq_dma0_td, 235 drm_via_irq_dma1_dd, 236 drm_via_irq_dma1_td, 237 drm_via_irq_num 238 }; 239 240 struct drm_via_wait_irq_request { 241 unsigned irq; 242 via_irq_seq_type_t type; 243 __u32 sequence; 244 __u32 signal; 245 }; 246 247 typedef union drm_via_irqwait { 248 struct drm_via_wait_irq_request request; 249 struct drm_wait_vblank_reply reply; 250 } drm_via_irqwait_t; 251 252 typedef struct drm_via_blitsync { 253 __u32 sync_handle; 254 unsigned engine; 255 } drm_via_blitsync_t; 256 257 /* - * Below,"flags" is currently unused but will be used for possible future 258 * extensions like kernel space bounce buffers for bad alignments and 259 * blit engine busy-wait polling for better latency in the absence of 260 * interrupts. 261 */ 262 263 typedef struct drm_via_dmablit { 264 __u32 num_lines; 265 __u32 line_length; 266 267 __u32 fb_addr; 268 __u32 fb_stride; 269 270 unsigned char *mem_addr; 271 __u32 mem_stride; 272 273 __u32 flags; 274 int to_fb; 275 276 drm_via_blitsync_t sync; 277 } drm_via_dmablit_t; 278 279 #if defined(__cplusplus) 280 } 281 #endif 282 283 #endif /* _VIA_DRM_H_ */ 284