1 /* mach64_drm.h -- Public header for the mach64 driver -*- linux-c -*- 2 * Created: Thu Nov 30 20:04:32 2000 by gareth@valinux.com 3 */ 4 /* 5 * Copyright 2000 Gareth Hughes 6 * Copyright 2002 Frank C. Earl 7 * Copyright 2002-2003 Leif Delgass 8 * All Rights Reserved. 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a 11 * copy of this software and associated documentation files (the "Software"), 12 * to deal in the Software without restriction, including without limitation 13 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 14 * and/or sell copies of the Software, and to permit persons to whom the 15 * Software is furnished to do so, subject to the following conditions: 16 * 17 * The above copyright notice and this permission notice (including the next 18 * paragraph) shall be included in all copies or substantial portions of the 19 * Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24 * THE COPYRIGHT OWNER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 25 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 * 28 * Authors: 29 * Gareth Hughes <gareth@valinux.com> 30 * Frank C. Earl <fearl@airmail.net> 31 * Leif Delgass <ldelgass@retinalburn.net> 32 */ 33 34 #ifndef __MACH64_DRM_H__ 35 #define __MACH64_DRM_H__ 36 37 /* WARNING: If you change any of these defines, make sure to change the 38 * defines in the Xserver file (mach64_sarea.h) 39 */ 40 #ifndef __MACH64_SAREA_DEFINES__ 41 #define __MACH64_SAREA_DEFINES__ 42 43 /* What needs to be changed for the current vertex buffer? 44 * GH: We're going to be pedantic about this. We want the card to do as 45 * little as possible, so let's avoid having it fetch a whole bunch of 46 * register values that don't change all that often, if at all. 47 */ 48 #define MACH64_UPLOAD_DST_OFF_PITCH 0x0001 49 #define MACH64_UPLOAD_Z_OFF_PITCH 0x0002 50 #define MACH64_UPLOAD_Z_ALPHA_CNTL 0x0004 51 #define MACH64_UPLOAD_SCALE_3D_CNTL 0x0008 52 #define MACH64_UPLOAD_DP_FOG_CLR 0x0010 53 #define MACH64_UPLOAD_DP_WRITE_MASK 0x0020 54 #define MACH64_UPLOAD_DP_PIX_WIDTH 0x0040 55 #define MACH64_UPLOAD_SETUP_CNTL 0x0080 56 #define MACH64_UPLOAD_MISC 0x0100 57 #define MACH64_UPLOAD_TEXTURE 0x0200 58 #define MACH64_UPLOAD_TEX0IMAGE 0x0400 59 #define MACH64_UPLOAD_TEX1IMAGE 0x0800 60 #define MACH64_UPLOAD_CLIPRECTS 0x1000 /* handled client-side */ 61 #define MACH64_UPLOAD_CONTEXT 0x00ff 62 #define MACH64_UPLOAD_ALL 0x1fff 63 64 /* DMA buffer size 65 */ 66 #define MACH64_BUFFER_SIZE 16384 67 68 /* Max number of swaps allowed on the ring 69 * before the client must wait 70 */ 71 #define MACH64_MAX_QUEUED_FRAMES 3U 72 73 /* Byte offsets for host blit buffer data 74 */ 75 #define MACH64_HOSTDATA_BLIT_OFFSET 104 76 77 /* Keep these small for testing. 78 */ 79 #define MACH64_NR_SAREA_CLIPRECTS 8 80 81 #define MACH64_CARD_HEAP 0 82 #define MACH64_AGP_HEAP 1 83 #define MACH64_NR_TEX_HEAPS 2 84 #define MACH64_NR_TEX_REGIONS 64 85 #define MACH64_LOG_TEX_GRANULARITY 16 86 87 #define MACH64_TEX_MAXLEVELS 1 88 89 #define MACH64_NR_CONTEXT_REGS 15 90 #define MACH64_NR_TEXTURE_REGS 4 91 92 #endif /* __MACH64_SAREA_DEFINES__ */ 93 94 typedef struct { 95 unsigned int dst_off_pitch; 96 97 unsigned int z_off_pitch; 98 unsigned int z_cntl; 99 unsigned int alpha_tst_cntl; 100 101 unsigned int scale_3d_cntl; 102 103 unsigned int sc_left_right; 104 unsigned int sc_top_bottom; 105 106 unsigned int dp_fog_clr; 107 unsigned int dp_write_mask; 108 unsigned int dp_pix_width; 109 unsigned int dp_mix; 110 unsigned int dp_src; 111 112 unsigned int clr_cmp_cntl; 113 unsigned int gui_traj_cntl; 114 115 unsigned int setup_cntl; 116 117 unsigned int tex_size_pitch; 118 unsigned int tex_cntl; 119 unsigned int secondary_tex_off; 120 unsigned int tex_offset; 121 } drm_mach64_context_regs_t; 122 123 typedef struct drm_mach64_sarea { 124 /* The channel for communication of state information to the kernel 125 * on firing a vertex dma buffer. 126 */ 127 drm_mach64_context_regs_t context_state; 128 unsigned int dirty; 129 unsigned int vertsize; 130 131 /* The current cliprects, or a subset thereof. 132 */ 133 struct drm_clip_rect boxes[MACH64_NR_SAREA_CLIPRECTS]; 134 unsigned int nbox; 135 136 /* Counters for client-side throttling of rendering clients. 137 */ 138 unsigned int frames_queued; 139 140 /* Texture memory LRU. 141 */ 142 struct drm_tex_region tex_list[MACH64_NR_TEX_HEAPS][MACH64_NR_TEX_REGIONS + 143 1]; 144 unsigned int tex_age[MACH64_NR_TEX_HEAPS]; 145 int ctx_owner; 146 } drm_mach64_sarea_t; 147 148 /* WARNING: If you change any of these defines, make sure to change the 149 * defines in the Xserver file (mach64_common.h) 150 */ 151 152 /* Mach64 specific ioctls 153 * The device specific ioctl range is 0x40 to 0x79. 154 */ 155 156 #define DRM_MACH64_INIT 0x00 157 #define DRM_MACH64_IDLE 0x01 158 #define DRM_MACH64_RESET 0x02 159 #define DRM_MACH64_SWAP 0x03 160 #define DRM_MACH64_CLEAR 0x04 161 #define DRM_MACH64_VERTEX 0x05 162 #define DRM_MACH64_BLIT 0x06 163 #define DRM_MACH64_FLUSH 0x07 164 #define DRM_MACH64_GETPARAM 0x08 165 166 #define DRM_IOCTL_MACH64_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_INIT, drm_mach64_init_t) 167 #define DRM_IOCTL_MACH64_IDLE DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_IDLE ) 168 #define DRM_IOCTL_MACH64_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_RESET ) 169 #define DRM_IOCTL_MACH64_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_SWAP ) 170 #define DRM_IOCTL_MACH64_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_CLEAR, drm_mach64_clear_t) 171 #define DRM_IOCTL_MACH64_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_VERTEX, drm_mach64_vertex_t) 172 #define DRM_IOCTL_MACH64_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_BLIT, drm_mach64_blit_t) 173 #define DRM_IOCTL_MACH64_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_FLUSH ) 174 #define DRM_IOCTL_MACH64_GETPARAM DRM_IOWR( DRM_COMMAND_BASE + DRM_MACH64_GETPARAM, drm_mach64_getparam_t) 175 176 /* Buffer flags for clears 177 */ 178 #define MACH64_FRONT 0x1 179 #define MACH64_BACK 0x2 180 #define MACH64_DEPTH 0x4 181 182 /* Primitive types for vertex buffers 183 */ 184 #define MACH64_PRIM_POINTS 0x00000000 185 #define MACH64_PRIM_LINES 0x00000001 186 #define MACH64_PRIM_LINE_LOOP 0x00000002 187 #define MACH64_PRIM_LINE_STRIP 0x00000003 188 #define MACH64_PRIM_TRIANGLES 0x00000004 189 #define MACH64_PRIM_TRIANGLE_STRIP 0x00000005 190 #define MACH64_PRIM_TRIANGLE_FAN 0x00000006 191 #define MACH64_PRIM_QUADS 0x00000007 192 #define MACH64_PRIM_QUAD_STRIP 0x00000008 193 #define MACH64_PRIM_POLYGON 0x00000009 194 195 typedef enum _drm_mach64_dma_mode_t { 196 MACH64_MODE_DMA_ASYNC, 197 MACH64_MODE_DMA_SYNC, 198 MACH64_MODE_MMIO 199 } drm_mach64_dma_mode_t; 200 201 typedef struct drm_mach64_init { 202 enum { 203 DRM_MACH64_INIT_DMA = 0x01, 204 DRM_MACH64_CLEANUP_DMA = 0x02 205 } func; 206 207 unsigned long sarea_priv_offset; 208 int is_pci; 209 drm_mach64_dma_mode_t dma_mode; 210 211 unsigned int fb_bpp; 212 unsigned int front_offset, front_pitch; 213 unsigned int back_offset, back_pitch; 214 215 unsigned int depth_bpp; 216 unsigned int depth_offset, depth_pitch; 217 218 unsigned long fb_offset; 219 unsigned long mmio_offset; 220 unsigned long ring_offset; 221 unsigned long buffers_offset; 222 unsigned long agp_textures_offset; 223 } drm_mach64_init_t; 224 225 typedef struct drm_mach64_clear { 226 unsigned int flags; 227 int x, y, w, h; 228 unsigned int clear_color; 229 unsigned int clear_depth; 230 } drm_mach64_clear_t; 231 232 typedef struct drm_mach64_vertex { 233 int prim; 234 void *buf; /* Address of vertex buffer */ 235 unsigned long used; /* Number of bytes in buffer */ 236 int discard; /* Client finished with buffer? */ 237 } drm_mach64_vertex_t; 238 239 typedef struct drm_mach64_blit { 240 void *buf; 241 int pitch; 242 int offset; 243 int format; 244 unsigned short x, y; 245 unsigned short width, height; 246 } drm_mach64_blit_t; 247 248 typedef struct drm_mach64_getparam { 249 enum { 250 MACH64_PARAM_FRAMES_QUEUED = 0x01, 251 MACH64_PARAM_IRQ_NR = 0x02 252 } param; 253 void *value; 254 } drm_mach64_getparam_t; 255 256 #endif 257