tjh.dev
Linux kernel mirror (for testing)
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linux
1/* $Id: ffb_drv.h,v 1.1 2000/06/01 04:24:39 davem Exp $
2 * ffb_drv.h: Creator/Creator3D direct rendering driver.
3 *
4 * Copyright (C) 2000 David S. Miller (davem@redhat.com)
5 */
6
7/* Auxilliary clips. */
8typedef struct {
9 volatile unsigned int min;
10 volatile unsigned int max;
11} ffb_auxclip, *ffb_auxclipPtr;
12
13/* FFB register set. */
14typedef struct _ffb_fbc {
15 /* Next vertex registers, on the right we list which drawops
16 * use said register and the logical name the register has in
17 * that context.
18 *//* DESCRIPTION DRAWOP(NAME) */
19 /*0x00*/ unsigned int pad1[3];
20 /* Reserved */
21 /*0x0c*/ volatile unsigned int alpha;
22 /* ALPHA Transparency */
23 /*0x10*/ volatile unsigned int red;
24 /* RED */
25 /*0x14*/ volatile unsigned int green;
26 /* GREEN */
27 /*0x18*/ volatile unsigned int blue;
28 /* BLUE */
29 /*0x1c*/ volatile unsigned int z;
30 /* DEPTH */
31 /*0x20*/ volatile unsigned int y;
32 /* Y triangle(DOYF) */
33 /* aadot(DYF) */
34 /* ddline(DYF) */
35 /* aaline(DYF) */
36 /*0x24*/ volatile unsigned int x;
37 /* X triangle(DOXF) */
38 /* aadot(DXF) */
39 /* ddline(DXF) */
40 /* aaline(DXF) */
41 /*0x28*/ unsigned int pad2[2];
42 /* Reserved */
43 /*0x30*/ volatile unsigned int ryf;
44 /* Y (alias to DOYF) ddline(RYF) */
45 /* aaline(RYF) */
46 /* triangle(RYF) */
47 /*0x34*/ volatile unsigned int rxf;
48 /* X ddline(RXF) */
49 /* aaline(RXF) */
50 /* triangle(RXF) */
51 /*0x38*/ unsigned int pad3[2];
52 /* Reserved */
53 /*0x40*/ volatile unsigned int dmyf;
54 /* Y (alias to DOYF) triangle(DMYF) */
55 /*0x44*/ volatile unsigned int dmxf;
56 /* X triangle(DMXF) */
57 /*0x48*/ unsigned int pad4[2];
58 /* Reserved */
59 /*0x50*/ volatile unsigned int ebyi;
60 /* Y (alias to RYI) polygon(EBYI) */
61 /*0x54*/ volatile unsigned int ebxi;
62 /* X polygon(EBXI) */
63 /*0x58*/ unsigned int pad5[2];
64 /* Reserved */
65 /*0x60*/ volatile unsigned int by;
66 /* Y brline(RYI) */
67 /* fastfill(OP) */
68 /* polygon(YI) */
69 /* rectangle(YI) */
70 /* bcopy(SRCY) */
71 /* vscroll(SRCY) */
72 /*0x64*/ volatile unsigned int bx;
73 /* X brline(RXI) */
74 /* polygon(XI) */
75 /* rectangle(XI) */
76 /* bcopy(SRCX) */
77 /* vscroll(SRCX) */
78 /* fastfill(GO) */
79 /*0x68*/ volatile unsigned int dy;
80 /* destination Y fastfill(DSTY) */
81 /* bcopy(DSRY) */
82 /* vscroll(DSRY) */
83 /*0x6c*/ volatile unsigned int dx;
84 /* destination X fastfill(DSTX) */
85 /* bcopy(DSTX) */
86 /* vscroll(DSTX) */
87 /*0x70*/ volatile unsigned int bh;
88 /* Y (alias to RYI) brline(DYI) */
89 /* dot(DYI) */
90 /* polygon(ETYI) */
91 /* Height fastfill(H) */
92 /* bcopy(H) */
93 /* vscroll(H) */
94 /* Y count fastfill(NY) */
95 /*0x74*/ volatile unsigned int bw;
96 /* X dot(DXI) */
97 /* brline(DXI) */
98 /* polygon(ETXI) */
99 /* fastfill(W) */
100 /* bcopy(W) */
101 /* vscroll(W) */
102 /* fastfill(NX) */
103 /*0x78*/ unsigned int pad6[2];
104 /* Reserved */
105 /*0x80*/ unsigned int pad7[32];
106 /* Reserved */
107
108 /* Setup Unit's vertex state register */
109/*100*/ volatile unsigned int suvtx;
110 /*104*/ unsigned int pad8[63];
111 /* Reserved */
112
113 /* Frame Buffer Control Registers */
114 /*200*/ volatile unsigned int ppc;
115 /* Pixel Processor Control */
116 /*204*/ volatile unsigned int wid;
117 /* Current WID */
118 /*208*/ volatile unsigned int fg;
119 /* FG data */
120 /*20c*/ volatile unsigned int bg;
121 /* BG data */
122 /*210*/ volatile unsigned int consty;
123 /* Constant Y */
124 /*214*/ volatile unsigned int constz;
125 /* Constant Z */
126 /*218*/ volatile unsigned int xclip;
127 /* X Clip */
128 /*21c*/ volatile unsigned int dcss;
129 /* Depth Cue Scale Slope */
130 /*220*/ volatile unsigned int vclipmin;
131 /* Viewclip XY Min Bounds */
132 /*224*/ volatile unsigned int vclipmax;
133 /* Viewclip XY Max Bounds */
134 /*228*/ volatile unsigned int vclipzmin;
135 /* Viewclip Z Min Bounds */
136 /*22c*/ volatile unsigned int vclipzmax;
137 /* Viewclip Z Max Bounds */
138 /*230*/ volatile unsigned int dcsf;
139 /* Depth Cue Scale Front Bound */
140 /*234*/ volatile unsigned int dcsb;
141 /* Depth Cue Scale Back Bound */
142 /*238*/ volatile unsigned int dczf;
143 /* Depth Cue Z Front */
144 /*23c*/ volatile unsigned int dczb;
145 /* Depth Cue Z Back */
146 /*240*/ unsigned int pad9;
147 /* Reserved */
148 /*244*/ volatile unsigned int blendc;
149 /* Alpha Blend Control */
150 /*248*/ volatile unsigned int blendc1;
151 /* Alpha Blend Color 1 */
152 /*24c*/ volatile unsigned int blendc2;
153 /* Alpha Blend Color 2 */
154 /*250*/ volatile unsigned int fbramitc;
155 /* FB RAM Interleave Test Control */
156 /*254*/ volatile unsigned int fbc;
157 /* Frame Buffer Control */
158 /*258*/ volatile unsigned int rop;
159 /* Raster OPeration */
160 /*25c*/ volatile unsigned int cmp;
161 /* Frame Buffer Compare */
162 /*260*/ volatile unsigned int matchab;
163 /* Buffer AB Match Mask */
164 /*264*/ volatile unsigned int matchc;
165 /* Buffer C(YZ) Match Mask */
166 /*268*/ volatile unsigned int magnab;
167 /* Buffer AB Magnitude Mask */
168 /*26c*/ volatile unsigned int magnc;
169 /* Buffer C(YZ) Magnitude Mask */
170 /*270*/ volatile unsigned int fbcfg0;
171 /* Frame Buffer Config 0 */
172 /*274*/ volatile unsigned int fbcfg1;
173 /* Frame Buffer Config 1 */
174 /*278*/ volatile unsigned int fbcfg2;
175 /* Frame Buffer Config 2 */
176 /*27c*/ volatile unsigned int fbcfg3;
177 /* Frame Buffer Config 3 */
178 /*280*/ volatile unsigned int ppcfg;
179 /* Pixel Processor Config */
180 /*284*/ volatile unsigned int pick;
181 /* Picking Control */
182 /*288*/ volatile unsigned int fillmode;
183 /* FillMode */
184 /*28c*/ volatile unsigned int fbramwac;
185 /* FB RAM Write Address Control */
186 /*290*/ volatile unsigned int pmask;
187 /* RGB PlaneMask */
188 /*294*/ volatile unsigned int xpmask;
189 /* X PlaneMask */
190 /*298*/ volatile unsigned int ypmask;
191 /* Y PlaneMask */
192 /*29c*/ volatile unsigned int zpmask;
193 /* Z PlaneMask */
194 /*2a0*/ ffb_auxclip auxclip[4];
195 /* Auxilliary Viewport Clip */
196
197 /* New 3dRAM III support regs */
198/*2c0*/ volatile unsigned int rawblend2;
199/*2c4*/ volatile unsigned int rawpreblend;
200/*2c8*/ volatile unsigned int rawstencil;
201/*2cc*/ volatile unsigned int rawstencilctl;
202/*2d0*/ volatile unsigned int threedram1;
203/*2d4*/ volatile unsigned int threedram2;
204/*2d8*/ volatile unsigned int passin;
205/*2dc*/ volatile unsigned int rawclrdepth;
206/*2e0*/ volatile unsigned int rawpmask;
207/*2e4*/ volatile unsigned int rawcsrc;
208/*2e8*/ volatile unsigned int rawmatch;
209/*2ec*/ volatile unsigned int rawmagn;
210/*2f0*/ volatile unsigned int rawropblend;
211/*2f4*/ volatile unsigned int rawcmp;
212/*2f8*/ volatile unsigned int rawwac;
213/*2fc*/ volatile unsigned int fbramid;
214
215 /*300*/ volatile unsigned int drawop;
216 /* Draw OPeration */
217 /*304*/ unsigned int pad10[2];
218 /* Reserved */
219 /*30c*/ volatile unsigned int lpat;
220 /* Line Pattern control */
221 /*310*/ unsigned int pad11;
222 /* Reserved */
223 /*314*/ volatile unsigned int fontxy;
224 /* XY Font coordinate */
225 /*318*/ volatile unsigned int fontw;
226 /* Font Width */
227 /*31c*/ volatile unsigned int fontinc;
228 /* Font Increment */
229 /*320*/ volatile unsigned int font;
230 /* Font bits */
231 /*324*/ unsigned int pad12[3];
232 /* Reserved */
233/*330*/ volatile unsigned int blend2;
234/*334*/ volatile unsigned int preblend;
235/*338*/ volatile unsigned int stencil;
236/*33c*/ volatile unsigned int stencilctl;
237
238 /*340*/ unsigned int pad13[4];
239 /* Reserved */
240 /*350*/ volatile unsigned int dcss1;
241 /* Depth Cue Scale Slope 1 */
242 /*354*/ volatile unsigned int dcss2;
243 /* Depth Cue Scale Slope 2 */
244 /*358*/ volatile unsigned int dcss3;
245 /* Depth Cue Scale Slope 3 */
246/*35c*/ volatile unsigned int widpmask;
247/*360*/ volatile unsigned int dcs2;
248/*364*/ volatile unsigned int dcs3;
249/*368*/ volatile unsigned int dcs4;
250 /*36c*/ unsigned int pad14;
251 /* Reserved */
252/*370*/ volatile unsigned int dcd2;
253/*374*/ volatile unsigned int dcd3;
254/*378*/ volatile unsigned int dcd4;
255 /*37c*/ unsigned int pad15;
256 /* Reserved */
257 /*380*/ volatile unsigned int pattern[32];
258 /* area Pattern */
259 /*400*/ unsigned int pad16[8];
260 /* Reserved */
261 /*420*/ volatile unsigned int reset;
262 /* chip RESET */
263 /*424*/ unsigned int pad17[247];
264 /* Reserved */
265 /*800*/ volatile unsigned int devid;
266 /* Device ID */
267 /*804*/ unsigned int pad18[63];
268 /* Reserved */
269 /*900*/ volatile unsigned int ucsr;
270 /* User Control & Status Register */
271 /*904*/ unsigned int pad19[31];
272 /* Reserved */
273 /*980*/ volatile unsigned int mer;
274 /* Mode Enable Register */
275 /*984*/ unsigned int pad20[1439];
276 /* Reserved */
277} ffb_fbc, *ffb_fbcPtr;
278
279struct ffb_hw_context {
280 int is_2d_only;
281
282 unsigned int ppc;
283 unsigned int wid;
284 unsigned int fg;
285 unsigned int bg;
286 unsigned int consty;
287 unsigned int constz;
288 unsigned int xclip;
289 unsigned int dcss;
290 unsigned int vclipmin;
291 unsigned int vclipmax;
292 unsigned int vclipzmin;
293 unsigned int vclipzmax;
294 unsigned int dcsf;
295 unsigned int dcsb;
296 unsigned int dczf;
297 unsigned int dczb;
298 unsigned int blendc;
299 unsigned int blendc1;
300 unsigned int blendc2;
301 unsigned int fbc;
302 unsigned int rop;
303 unsigned int cmp;
304 unsigned int matchab;
305 unsigned int matchc;
306 unsigned int magnab;
307 unsigned int magnc;
308 unsigned int pmask;
309 unsigned int xpmask;
310 unsigned int ypmask;
311 unsigned int zpmask;
312 unsigned int auxclip0min;
313 unsigned int auxclip0max;
314 unsigned int auxclip1min;
315 unsigned int auxclip1max;
316 unsigned int auxclip2min;
317 unsigned int auxclip2max;
318 unsigned int auxclip3min;
319 unsigned int auxclip3max;
320 unsigned int drawop;
321 unsigned int lpat;
322 unsigned int fontxy;
323 unsigned int fontw;
324 unsigned int fontinc;
325 unsigned int area_pattern[32];
326 unsigned int ucsr;
327 unsigned int stencil;
328 unsigned int stencilctl;
329 unsigned int dcss1;
330 unsigned int dcss2;
331 unsigned int dcss3;
332 unsigned int dcs2;
333 unsigned int dcs3;
334 unsigned int dcs4;
335 unsigned int dcd2;
336 unsigned int dcd3;
337 unsigned int dcd4;
338 unsigned int mer;
339};
340
341#define FFB_MAX_CTXS 32
342
343enum ffb_chip_type {
344 ffb1_prototype = 0, /* Early pre-FCS FFB */
345 ffb1_standard, /* First FCS FFB, 100Mhz UPA, 66MHz gclk */
346 ffb1_speedsort, /* Second FCS FFB, 100Mhz UPA, 75MHz gclk */
347 ffb2_prototype, /* Early pre-FCS vertical FFB2 */
348 ffb2_vertical, /* First FCS FFB2/vertical, 100Mhz UPA, 100MHZ gclk,
349 75(SingleBuffer)/83(DoubleBuffer) MHz fclk */
350 ffb2_vertical_plus, /* Second FCS FFB2/vertical, same timings */
351 ffb2_horizontal, /* First FCS FFB2/horizontal, same timings as FFB2/vert */
352 ffb2_horizontal_plus, /* Second FCS FFB2/horizontal, same timings */
353 afb_m3, /* FCS Elite3D, 3 float chips */
354 afb_m6 /* FCS Elite3D, 6 float chips */
355};
356
357typedef struct ffb_dev_priv {
358 /* Misc software state. */
359 int prom_node;
360 enum ffb_chip_type ffb_type;
361 u64 card_phys_base;
362 struct miscdevice miscdev;
363
364 /* Controller registers. */
365 ffb_fbcPtr regs;
366
367 /* Context table. */
368 struct ffb_hw_context *hw_state[FFB_MAX_CTXS];
369} ffb_dev_priv_t;
370
371extern unsigned long ffb_get_unmapped_area(struct file *filp,
372 unsigned long hint,
373 unsigned long len,
374 unsigned long pgoff,
375 unsigned long flags);
376extern void ffb_set_context_ioctls(void);
377extern drm_ioctl_desc_t DRM(ioctls)[];
378
379extern int ffb_driver_context_switch(drm_device_t * dev, int old, int new);