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771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Author: Stanislaw Skowronek | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/sched.h> | |
ce36f00d | 27 | #include <asm/unaligned.h> |
771fe6b9 JG |
28 | |
29 | #define ATOM_DEBUG | |
30 | ||
31 | #include "atom.h" | |
32 | #include "atom-names.h" | |
33 | #include "atom-bits.h" | |
34 | ||
35 | #define ATOM_COND_ABOVE 0 | |
36 | #define ATOM_COND_ABOVEOREQUAL 1 | |
37 | #define ATOM_COND_ALWAYS 2 | |
38 | #define ATOM_COND_BELOW 3 | |
39 | #define ATOM_COND_BELOWOREQUAL 4 | |
40 | #define ATOM_COND_EQUAL 5 | |
41 | #define ATOM_COND_NOTEQUAL 6 | |
42 | ||
43 | #define ATOM_PORT_ATI 0 | |
44 | #define ATOM_PORT_PCI 1 | |
45 | #define ATOM_PORT_SYSIO 2 | |
46 | ||
47 | #define ATOM_UNIT_MICROSEC 0 | |
48 | #define ATOM_UNIT_MILLISEC 1 | |
49 | ||
50 | #define PLL_INDEX 2 | |
51 | #define PLL_DATA 3 | |
52 | ||
53 | typedef struct { | |
54 | struct atom_context *ctx; | |
771fe6b9 JG |
55 | uint32_t *ps, *ws; |
56 | int ps_shift; | |
57 | uint16_t start; | |
c21b0fe6 JG |
58 | unsigned last_jump; |
59 | unsigned long last_jump_jiffies; | |
60 | bool abort; | |
771fe6b9 JG |
61 | } atom_exec_context; |
62 | ||
63 | int atom_debug = 0; | |
c21b0fe6 JG |
64 | static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params); |
65 | int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params); | |
771fe6b9 JG |
66 | |
67 | static uint32_t atom_arg_mask[8] = | |
68 | { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000, | |
69 | 0xFF000000 }; | |
70 | static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 }; | |
71 | ||
72 | static int atom_dst_to_src[8][4] = { | |
73 | /* translate destination alignment field to the source alignment encoding */ | |
74 | {0, 0, 0, 0}, | |
75 | {1, 2, 3, 0}, | |
76 | {1, 2, 3, 0}, | |
77 | {1, 2, 3, 0}, | |
78 | {4, 5, 6, 7}, | |
79 | {4, 5, 6, 7}, | |
80 | {4, 5, 6, 7}, | |
81 | {4, 5, 6, 7}, | |
82 | }; | |
83 | static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 }; | |
84 | ||
85 | static int debug_depth = 0; | |
86 | #ifdef ATOM_DEBUG | |
87 | static void debug_print_spaces(int n) | |
88 | { | |
89 | while (n--) | |
90 | printk(" "); | |
91 | } | |
92 | ||
93 | #define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0) | |
94 | #define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0) | |
95 | #else | |
96 | #define DEBUG(...) do { } while (0) | |
97 | #define SDEBUG(...) do { } while (0) | |
98 | #endif | |
99 | ||
100 | static uint32_t atom_iio_execute(struct atom_context *ctx, int base, | |
101 | uint32_t index, uint32_t data) | |
102 | { | |
103 | uint32_t temp = 0xCDCDCDCD; | |
104 | while (1) | |
105 | switch (CU8(base)) { | |
106 | case ATOM_IIO_NOP: | |
107 | base++; | |
108 | break; | |
109 | case ATOM_IIO_READ: | |
110 | temp = ctx->card->reg_read(ctx->card, CU16(base + 1)); | |
111 | base += 3; | |
112 | break; | |
113 | case ATOM_IIO_WRITE: | |
23115b05 | 114 | (void)ctx->card->reg_read(ctx->card, CU16(base + 1)); |
771fe6b9 JG |
115 | ctx->card->reg_write(ctx->card, CU16(base + 1), temp); |
116 | base += 3; | |
117 | break; | |
118 | case ATOM_IIO_CLEAR: | |
119 | temp &= | |
120 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
121 | CU8(base + 2)); | |
122 | base += 3; | |
123 | break; | |
124 | case ATOM_IIO_SET: | |
125 | temp |= | |
126 | (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base + | |
127 | 2); | |
128 | base += 3; | |
129 | break; | |
130 | case ATOM_IIO_MOVE_INDEX: | |
131 | temp &= | |
132 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
133 | CU8(base + 2)); | |
134 | temp |= | |
135 | ((index >> CU8(base + 2)) & | |
136 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
137 | 3); | |
138 | base += 4; | |
139 | break; | |
140 | case ATOM_IIO_MOVE_DATA: | |
141 | temp &= | |
142 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
143 | CU8(base + 2)); | |
144 | temp |= | |
145 | ((data >> CU8(base + 2)) & | |
146 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
147 | 3); | |
148 | base += 4; | |
149 | break; | |
150 | case ATOM_IIO_MOVE_ATTR: | |
151 | temp &= | |
152 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
153 | CU8(base + 2)); | |
154 | temp |= | |
155 | ((ctx-> | |
156 | io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 - | |
157 | CU8 | |
158 | (base | |
159 | + | |
160 | 1)))) | |
161 | << CU8(base + 3); | |
162 | base += 4; | |
163 | break; | |
164 | case ATOM_IIO_END: | |
165 | return temp; | |
166 | default: | |
167 | printk(KERN_INFO "Unknown IIO opcode.\n"); | |
168 | return 0; | |
169 | } | |
170 | } | |
171 | ||
172 | static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, | |
173 | int *ptr, uint32_t *saved, int print) | |
174 | { | |
175 | uint32_t idx, val = 0xCDCDCDCD, align, arg; | |
176 | struct atom_context *gctx = ctx->ctx; | |
177 | arg = attr & 7; | |
178 | align = (attr >> 3) & 7; | |
179 | switch (arg) { | |
180 | case ATOM_ARG_REG: | |
181 | idx = U16(*ptr); | |
182 | (*ptr) += 2; | |
183 | if (print) | |
184 | DEBUG("REG[0x%04X]", idx); | |
185 | idx += gctx->reg_block; | |
186 | switch (gctx->io_mode) { | |
187 | case ATOM_IO_MM: | |
188 | val = gctx->card->reg_read(gctx->card, idx); | |
189 | break; | |
190 | case ATOM_IO_PCI: | |
191 | printk(KERN_INFO | |
192 | "PCI registers are not implemented.\n"); | |
193 | return 0; | |
194 | case ATOM_IO_SYSIO: | |
195 | printk(KERN_INFO | |
196 | "SYSIO registers are not implemented.\n"); | |
197 | return 0; | |
198 | default: | |
199 | if (!(gctx->io_mode & 0x80)) { | |
200 | printk(KERN_INFO "Bad IO mode.\n"); | |
201 | return 0; | |
202 | } | |
203 | if (!gctx->iio[gctx->io_mode & 0x7F]) { | |
204 | printk(KERN_INFO | |
205 | "Undefined indirect IO read method %d.\n", | |
206 | gctx->io_mode & 0x7F); | |
207 | return 0; | |
208 | } | |
209 | val = | |
210 | atom_iio_execute(gctx, | |
211 | gctx->iio[gctx->io_mode & 0x7F], | |
212 | idx, 0); | |
213 | } | |
214 | break; | |
215 | case ATOM_ARG_PS: | |
216 | idx = U8(*ptr); | |
217 | (*ptr)++; | |
ce36f00d MT |
218 | /* get_unaligned_le32 avoids unaligned accesses from atombios |
219 | * tables, noticed on a DEC Alpha. */ | |
220 | val = get_unaligned_le32((u32 *)&ctx->ps[idx]); | |
771fe6b9 JG |
221 | if (print) |
222 | DEBUG("PS[0x%02X,0x%04X]", idx, val); | |
223 | break; | |
224 | case ATOM_ARG_WS: | |
225 | idx = U8(*ptr); | |
226 | (*ptr)++; | |
227 | if (print) | |
228 | DEBUG("WS[0x%02X]", idx); | |
229 | switch (idx) { | |
230 | case ATOM_WS_QUOTIENT: | |
231 | val = gctx->divmul[0]; | |
232 | break; | |
233 | case ATOM_WS_REMAINDER: | |
234 | val = gctx->divmul[1]; | |
235 | break; | |
236 | case ATOM_WS_DATAPTR: | |
237 | val = gctx->data_block; | |
238 | break; | |
239 | case ATOM_WS_SHIFT: | |
240 | val = gctx->shift; | |
241 | break; | |
242 | case ATOM_WS_OR_MASK: | |
243 | val = 1 << gctx->shift; | |
244 | break; | |
245 | case ATOM_WS_AND_MASK: | |
246 | val = ~(1 << gctx->shift); | |
247 | break; | |
248 | case ATOM_WS_FB_WINDOW: | |
249 | val = gctx->fb_base; | |
250 | break; | |
251 | case ATOM_WS_ATTRIBUTES: | |
252 | val = gctx->io_attr; | |
253 | break; | |
e2f8e870 AD |
254 | case ATOM_WS_REGPTR: |
255 | val = gctx->reg_block; | |
256 | break; | |
771fe6b9 JG |
257 | default: |
258 | val = ctx->ws[idx]; | |
259 | } | |
260 | break; | |
261 | case ATOM_ARG_ID: | |
262 | idx = U16(*ptr); | |
263 | (*ptr) += 2; | |
264 | if (print) { | |
265 | if (gctx->data_block) | |
266 | DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block); | |
267 | else | |
268 | DEBUG("ID[0x%04X]", idx); | |
269 | } | |
270 | val = U32(idx + gctx->data_block); | |
271 | break; | |
272 | case ATOM_ARG_FB: | |
273 | idx = U8(*ptr); | |
274 | (*ptr)++; | |
d904ef9b | 275 | val = gctx->scratch[((gctx->fb_base + idx) / 4)]; |
771fe6b9 JG |
276 | if (print) |
277 | DEBUG("FB[0x%02X]", idx); | |
d904ef9b | 278 | break; |
771fe6b9 JG |
279 | case ATOM_ARG_IMM: |
280 | switch (align) { | |
281 | case ATOM_SRC_DWORD: | |
282 | val = U32(*ptr); | |
283 | (*ptr) += 4; | |
284 | if (print) | |
285 | DEBUG("IMM 0x%08X\n", val); | |
286 | return val; | |
287 | case ATOM_SRC_WORD0: | |
288 | case ATOM_SRC_WORD8: | |
289 | case ATOM_SRC_WORD16: | |
290 | val = U16(*ptr); | |
291 | (*ptr) += 2; | |
292 | if (print) | |
293 | DEBUG("IMM 0x%04X\n", val); | |
294 | return val; | |
295 | case ATOM_SRC_BYTE0: | |
296 | case ATOM_SRC_BYTE8: | |
297 | case ATOM_SRC_BYTE16: | |
298 | case ATOM_SRC_BYTE24: | |
299 | val = U8(*ptr); | |
300 | (*ptr)++; | |
301 | if (print) | |
302 | DEBUG("IMM 0x%02X\n", val); | |
303 | return val; | |
304 | } | |
305 | return 0; | |
306 | case ATOM_ARG_PLL: | |
307 | idx = U8(*ptr); | |
308 | (*ptr)++; | |
309 | if (print) | |
310 | DEBUG("PLL[0x%02X]", idx); | |
311 | val = gctx->card->pll_read(gctx->card, idx); | |
312 | break; | |
313 | case ATOM_ARG_MC: | |
314 | idx = U8(*ptr); | |
315 | (*ptr)++; | |
316 | if (print) | |
317 | DEBUG("MC[0x%02X]", idx); | |
318 | val = gctx->card->mc_read(gctx->card, idx); | |
319 | break; | |
320 | } | |
321 | if (saved) | |
322 | *saved = val; | |
323 | val &= atom_arg_mask[align]; | |
324 | val >>= atom_arg_shift[align]; | |
325 | if (print) | |
326 | switch (align) { | |
327 | case ATOM_SRC_DWORD: | |
328 | DEBUG(".[31:0] -> 0x%08X\n", val); | |
329 | break; | |
330 | case ATOM_SRC_WORD0: | |
331 | DEBUG(".[15:0] -> 0x%04X\n", val); | |
332 | break; | |
333 | case ATOM_SRC_WORD8: | |
334 | DEBUG(".[23:8] -> 0x%04X\n", val); | |
335 | break; | |
336 | case ATOM_SRC_WORD16: | |
337 | DEBUG(".[31:16] -> 0x%04X\n", val); | |
338 | break; | |
339 | case ATOM_SRC_BYTE0: | |
340 | DEBUG(".[7:0] -> 0x%02X\n", val); | |
341 | break; | |
342 | case ATOM_SRC_BYTE8: | |
343 | DEBUG(".[15:8] -> 0x%02X\n", val); | |
344 | break; | |
345 | case ATOM_SRC_BYTE16: | |
346 | DEBUG(".[23:16] -> 0x%02X\n", val); | |
347 | break; | |
348 | case ATOM_SRC_BYTE24: | |
349 | DEBUG(".[31:24] -> 0x%02X\n", val); | |
350 | break; | |
351 | } | |
352 | return val; | |
353 | } | |
354 | ||
355 | static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
356 | { | |
357 | uint32_t align = (attr >> 3) & 7, arg = attr & 7; | |
358 | switch (arg) { | |
359 | case ATOM_ARG_REG: | |
360 | case ATOM_ARG_ID: | |
361 | (*ptr) += 2; | |
362 | break; | |
363 | case ATOM_ARG_PLL: | |
364 | case ATOM_ARG_MC: | |
365 | case ATOM_ARG_PS: | |
366 | case ATOM_ARG_WS: | |
367 | case ATOM_ARG_FB: | |
368 | (*ptr)++; | |
369 | break; | |
370 | case ATOM_ARG_IMM: | |
371 | switch (align) { | |
372 | case ATOM_SRC_DWORD: | |
373 | (*ptr) += 4; | |
374 | return; | |
375 | case ATOM_SRC_WORD0: | |
376 | case ATOM_SRC_WORD8: | |
377 | case ATOM_SRC_WORD16: | |
378 | (*ptr) += 2; | |
379 | return; | |
380 | case ATOM_SRC_BYTE0: | |
381 | case ATOM_SRC_BYTE8: | |
382 | case ATOM_SRC_BYTE16: | |
383 | case ATOM_SRC_BYTE24: | |
384 | (*ptr)++; | |
385 | return; | |
386 | } | |
387 | return; | |
388 | } | |
389 | } | |
390 | ||
391 | static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
392 | { | |
393 | return atom_get_src_int(ctx, attr, ptr, NULL, 1); | |
394 | } | |
395 | ||
9f53e793 AD |
396 | static uint32_t atom_get_src_direct(atom_exec_context *ctx, uint8_t align, int *ptr) |
397 | { | |
398 | uint32_t val = 0xCDCDCDCD; | |
399 | ||
400 | switch (align) { | |
401 | case ATOM_SRC_DWORD: | |
402 | val = U32(*ptr); | |
403 | (*ptr) += 4; | |
404 | break; | |
405 | case ATOM_SRC_WORD0: | |
406 | case ATOM_SRC_WORD8: | |
407 | case ATOM_SRC_WORD16: | |
408 | val = U16(*ptr); | |
409 | (*ptr) += 2; | |
410 | break; | |
411 | case ATOM_SRC_BYTE0: | |
412 | case ATOM_SRC_BYTE8: | |
413 | case ATOM_SRC_BYTE16: | |
414 | case ATOM_SRC_BYTE24: | |
415 | val = U8(*ptr); | |
416 | (*ptr)++; | |
417 | break; | |
418 | } | |
419 | return val; | |
420 | } | |
421 | ||
771fe6b9 JG |
422 | static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr, |
423 | int *ptr, uint32_t *saved, int print) | |
424 | { | |
425 | return atom_get_src_int(ctx, | |
426 | arg | atom_dst_to_src[(attr >> 3) & | |
427 | 7][(attr >> 6) & 3] << 3, | |
428 | ptr, saved, print); | |
429 | } | |
430 | ||
431 | static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr) | |
432 | { | |
433 | atom_skip_src_int(ctx, | |
434 | arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & | |
435 | 3] << 3, ptr); | |
436 | } | |
437 | ||
438 | static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr, | |
439 | int *ptr, uint32_t val, uint32_t saved) | |
440 | { | |
441 | uint32_t align = | |
442 | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val = | |
443 | val, idx; | |
444 | struct atom_context *gctx = ctx->ctx; | |
445 | old_val &= atom_arg_mask[align] >> atom_arg_shift[align]; | |
446 | val <<= atom_arg_shift[align]; | |
447 | val &= atom_arg_mask[align]; | |
448 | saved &= ~atom_arg_mask[align]; | |
449 | val |= saved; | |
450 | switch (arg) { | |
451 | case ATOM_ARG_REG: | |
452 | idx = U16(*ptr); | |
453 | (*ptr) += 2; | |
454 | DEBUG("REG[0x%04X]", idx); | |
455 | idx += gctx->reg_block; | |
456 | switch (gctx->io_mode) { | |
457 | case ATOM_IO_MM: | |
458 | if (idx == 0) | |
459 | gctx->card->reg_write(gctx->card, idx, | |
460 | val << 2); | |
461 | else | |
462 | gctx->card->reg_write(gctx->card, idx, val); | |
463 | break; | |
464 | case ATOM_IO_PCI: | |
465 | printk(KERN_INFO | |
466 | "PCI registers are not implemented.\n"); | |
467 | return; | |
468 | case ATOM_IO_SYSIO: | |
469 | printk(KERN_INFO | |
470 | "SYSIO registers are not implemented.\n"); | |
471 | return; | |
472 | default: | |
473 | if (!(gctx->io_mode & 0x80)) { | |
474 | printk(KERN_INFO "Bad IO mode.\n"); | |
475 | return; | |
476 | } | |
477 | if (!gctx->iio[gctx->io_mode & 0xFF]) { | |
478 | printk(KERN_INFO | |
479 | "Undefined indirect IO write method %d.\n", | |
480 | gctx->io_mode & 0x7F); | |
481 | return; | |
482 | } | |
483 | atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF], | |
484 | idx, val); | |
485 | } | |
486 | break; | |
487 | case ATOM_ARG_PS: | |
488 | idx = U8(*ptr); | |
489 | (*ptr)++; | |
490 | DEBUG("PS[0x%02X]", idx); | |
491 | ctx->ps[idx] = cpu_to_le32(val); | |
492 | break; | |
493 | case ATOM_ARG_WS: | |
494 | idx = U8(*ptr); | |
495 | (*ptr)++; | |
496 | DEBUG("WS[0x%02X]", idx); | |
497 | switch (idx) { | |
498 | case ATOM_WS_QUOTIENT: | |
499 | gctx->divmul[0] = val; | |
500 | break; | |
501 | case ATOM_WS_REMAINDER: | |
502 | gctx->divmul[1] = val; | |
503 | break; | |
504 | case ATOM_WS_DATAPTR: | |
505 | gctx->data_block = val; | |
506 | break; | |
507 | case ATOM_WS_SHIFT: | |
508 | gctx->shift = val; | |
509 | break; | |
510 | case ATOM_WS_OR_MASK: | |
511 | case ATOM_WS_AND_MASK: | |
512 | break; | |
513 | case ATOM_WS_FB_WINDOW: | |
514 | gctx->fb_base = val; | |
515 | break; | |
516 | case ATOM_WS_ATTRIBUTES: | |
517 | gctx->io_attr = val; | |
518 | break; | |
e2f8e870 AD |
519 | case ATOM_WS_REGPTR: |
520 | gctx->reg_block = val; | |
521 | break; | |
771fe6b9 JG |
522 | default: |
523 | ctx->ws[idx] = val; | |
524 | } | |
525 | break; | |
526 | case ATOM_ARG_FB: | |
527 | idx = U8(*ptr); | |
528 | (*ptr)++; | |
d904ef9b | 529 | gctx->scratch[((gctx->fb_base + idx) / 4)] = val; |
771fe6b9 | 530 | DEBUG("FB[0x%02X]", idx); |
d904ef9b | 531 | break; |
771fe6b9 JG |
532 | case ATOM_ARG_PLL: |
533 | idx = U8(*ptr); | |
534 | (*ptr)++; | |
535 | DEBUG("PLL[0x%02X]", idx); | |
536 | gctx->card->pll_write(gctx->card, idx, val); | |
537 | break; | |
538 | case ATOM_ARG_MC: | |
539 | idx = U8(*ptr); | |
540 | (*ptr)++; | |
541 | DEBUG("MC[0x%02X]", idx); | |
542 | gctx->card->mc_write(gctx->card, idx, val); | |
543 | return; | |
544 | } | |
545 | switch (align) { | |
546 | case ATOM_SRC_DWORD: | |
547 | DEBUG(".[31:0] <- 0x%08X\n", old_val); | |
548 | break; | |
549 | case ATOM_SRC_WORD0: | |
550 | DEBUG(".[15:0] <- 0x%04X\n", old_val); | |
551 | break; | |
552 | case ATOM_SRC_WORD8: | |
553 | DEBUG(".[23:8] <- 0x%04X\n", old_val); | |
554 | break; | |
555 | case ATOM_SRC_WORD16: | |
556 | DEBUG(".[31:16] <- 0x%04X\n", old_val); | |
557 | break; | |
558 | case ATOM_SRC_BYTE0: | |
559 | DEBUG(".[7:0] <- 0x%02X\n", old_val); | |
560 | break; | |
561 | case ATOM_SRC_BYTE8: | |
562 | DEBUG(".[15:8] <- 0x%02X\n", old_val); | |
563 | break; | |
564 | case ATOM_SRC_BYTE16: | |
565 | DEBUG(".[23:16] <- 0x%02X\n", old_val); | |
566 | break; | |
567 | case ATOM_SRC_BYTE24: | |
568 | DEBUG(".[31:24] <- 0x%02X\n", old_val); | |
569 | break; | |
570 | } | |
571 | } | |
572 | ||
573 | static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg) | |
574 | { | |
575 | uint8_t attr = U8((*ptr)++); | |
576 | uint32_t dst, src, saved; | |
577 | int dptr = *ptr; | |
578 | SDEBUG(" dst: "); | |
579 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
580 | SDEBUG(" src: "); | |
581 | src = atom_get_src(ctx, attr, ptr); | |
582 | dst += src; | |
583 | SDEBUG(" dst: "); | |
584 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
585 | } | |
586 | ||
587 | static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg) | |
588 | { | |
589 | uint8_t attr = U8((*ptr)++); | |
590 | uint32_t dst, src, saved; | |
591 | int dptr = *ptr; | |
592 | SDEBUG(" dst: "); | |
593 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
594 | SDEBUG(" src: "); | |
595 | src = atom_get_src(ctx, attr, ptr); | |
596 | dst &= src; | |
597 | SDEBUG(" dst: "); | |
598 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
599 | } | |
600 | ||
601 | static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg) | |
602 | { | |
603 | printk("ATOM BIOS beeped!\n"); | |
604 | } | |
605 | ||
606 | static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg) | |
607 | { | |
608 | int idx = U8((*ptr)++); | |
c21b0fe6 JG |
609 | int r = 0; |
610 | ||
771fe6b9 JG |
611 | if (idx < ATOM_TABLE_NAMES_CNT) |
612 | SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]); | |
613 | else | |
614 | SDEBUG(" table: %d\n", idx); | |
615 | if (U16(ctx->ctx->cmd_table + 4 + 2 * idx)) | |
c21b0fe6 JG |
616 | r = atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift); |
617 | if (r) { | |
618 | ctx->abort = true; | |
619 | } | |
771fe6b9 JG |
620 | } |
621 | ||
622 | static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg) | |
623 | { | |
624 | uint8_t attr = U8((*ptr)++); | |
625 | uint32_t saved; | |
626 | int dptr = *ptr; | |
627 | attr &= 0x38; | |
628 | attr |= atom_def_dst[attr >> 3] << 6; | |
629 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
630 | SDEBUG(" dst: "); | |
631 | atom_put_dst(ctx, arg, attr, &dptr, 0, saved); | |
632 | } | |
633 | ||
634 | static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg) | |
635 | { | |
636 | uint8_t attr = U8((*ptr)++); | |
637 | uint32_t dst, src; | |
638 | SDEBUG(" src1: "); | |
639 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
640 | SDEBUG(" src2: "); | |
641 | src = atom_get_src(ctx, attr, ptr); | |
642 | ctx->ctx->cs_equal = (dst == src); | |
643 | ctx->ctx->cs_above = (dst > src); | |
644 | SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE", | |
645 | ctx->ctx->cs_above ? "GT" : "LE"); | |
646 | } | |
647 | ||
648 | static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg) | |
649 | { | |
650 | uint8_t count = U8((*ptr)++); | |
651 | SDEBUG(" count: %d\n", count); | |
652 | if (arg == ATOM_UNIT_MICROSEC) | |
01d45039 | 653 | udelay(count); |
771fe6b9 JG |
654 | else |
655 | schedule_timeout_uninterruptible(msecs_to_jiffies(count)); | |
656 | } | |
657 | ||
658 | static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg) | |
659 | { | |
660 | uint8_t attr = U8((*ptr)++); | |
661 | uint32_t dst, src; | |
662 | SDEBUG(" src1: "); | |
663 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
664 | SDEBUG(" src2: "); | |
665 | src = atom_get_src(ctx, attr, ptr); | |
666 | if (src != 0) { | |
667 | ctx->ctx->divmul[0] = dst / src; | |
668 | ctx->ctx->divmul[1] = dst % src; | |
669 | } else { | |
670 | ctx->ctx->divmul[0] = 0; | |
671 | ctx->ctx->divmul[1] = 0; | |
672 | } | |
673 | } | |
674 | ||
675 | static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg) | |
676 | { | |
677 | /* functionally, a nop */ | |
678 | } | |
679 | ||
680 | static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg) | |
681 | { | |
682 | int execute = 0, target = U16(*ptr); | |
c21b0fe6 JG |
683 | unsigned long cjiffies; |
684 | ||
771fe6b9 JG |
685 | (*ptr) += 2; |
686 | switch (arg) { | |
687 | case ATOM_COND_ABOVE: | |
688 | execute = ctx->ctx->cs_above; | |
689 | break; | |
690 | case ATOM_COND_ABOVEOREQUAL: | |
691 | execute = ctx->ctx->cs_above || ctx->ctx->cs_equal; | |
692 | break; | |
693 | case ATOM_COND_ALWAYS: | |
694 | execute = 1; | |
695 | break; | |
696 | case ATOM_COND_BELOW: | |
697 | execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal); | |
698 | break; | |
699 | case ATOM_COND_BELOWOREQUAL: | |
700 | execute = !ctx->ctx->cs_above; | |
701 | break; | |
702 | case ATOM_COND_EQUAL: | |
703 | execute = ctx->ctx->cs_equal; | |
704 | break; | |
705 | case ATOM_COND_NOTEQUAL: | |
706 | execute = !ctx->ctx->cs_equal; | |
707 | break; | |
708 | } | |
709 | if (arg != ATOM_COND_ALWAYS) | |
710 | SDEBUG(" taken: %s\n", execute ? "yes" : "no"); | |
711 | SDEBUG(" target: 0x%04X\n", target); | |
c21b0fe6 JG |
712 | if (execute) { |
713 | if (ctx->last_jump == (ctx->start + target)) { | |
714 | cjiffies = jiffies; | |
715 | if (time_after(cjiffies, ctx->last_jump_jiffies)) { | |
716 | cjiffies -= ctx->last_jump_jiffies; | |
717 | if ((jiffies_to_msecs(cjiffies) > 1000)) { | |
718 | DRM_ERROR("atombios stuck in loop for more than 1sec aborting\n"); | |
719 | ctx->abort = true; | |
720 | } | |
721 | } else { | |
722 | /* jiffies wrap around we will just wait a little longer */ | |
723 | ctx->last_jump_jiffies = jiffies; | |
724 | } | |
725 | } else { | |
726 | ctx->last_jump = ctx->start + target; | |
727 | ctx->last_jump_jiffies = jiffies; | |
728 | } | |
771fe6b9 | 729 | *ptr = ctx->start + target; |
c21b0fe6 | 730 | } |
771fe6b9 JG |
731 | } |
732 | ||
733 | static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg) | |
734 | { | |
735 | uint8_t attr = U8((*ptr)++); | |
736 | uint32_t dst, src1, src2, saved; | |
737 | int dptr = *ptr; | |
738 | SDEBUG(" dst: "); | |
739 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
740 | SDEBUG(" src1: "); | |
9f53e793 | 741 | src1 = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr); |
771fe6b9 | 742 | SDEBUG(" src2: "); |
e2f8e870 | 743 | src2 = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
744 | dst &= src1; |
745 | dst |= src2; | |
746 | SDEBUG(" dst: "); | |
747 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
748 | } | |
749 | ||
750 | static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg) | |
751 | { | |
752 | uint8_t attr = U8((*ptr)++); | |
753 | uint32_t src, saved; | |
754 | int dptr = *ptr; | |
755 | if (((attr >> 3) & 7) != ATOM_SRC_DWORD) | |
756 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
757 | else { | |
758 | atom_skip_dst(ctx, arg, attr, ptr); | |
759 | saved = 0xCDCDCDCD; | |
760 | } | |
761 | SDEBUG(" src: "); | |
762 | src = atom_get_src(ctx, attr, ptr); | |
763 | SDEBUG(" dst: "); | |
764 | atom_put_dst(ctx, arg, attr, &dptr, src, saved); | |
765 | } | |
766 | ||
767 | static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg) | |
768 | { | |
769 | uint8_t attr = U8((*ptr)++); | |
770 | uint32_t dst, src; | |
771 | SDEBUG(" src1: "); | |
772 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
773 | SDEBUG(" src2: "); | |
774 | src = atom_get_src(ctx, attr, ptr); | |
775 | ctx->ctx->divmul[0] = dst * src; | |
776 | } | |
777 | ||
778 | static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg) | |
779 | { | |
780 | /* nothing */ | |
781 | } | |
782 | ||
783 | static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg) | |
784 | { | |
785 | uint8_t attr = U8((*ptr)++); | |
786 | uint32_t dst, src, saved; | |
787 | int dptr = *ptr; | |
788 | SDEBUG(" dst: "); | |
789 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
790 | SDEBUG(" src: "); | |
791 | src = atom_get_src(ctx, attr, ptr); | |
792 | dst |= src; | |
793 | SDEBUG(" dst: "); | |
794 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
795 | } | |
796 | ||
797 | static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg) | |
798 | { | |
799 | uint8_t val = U8((*ptr)++); | |
800 | SDEBUG("POST card output: 0x%02X\n", val); | |
801 | } | |
802 | ||
803 | static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg) | |
804 | { | |
805 | printk(KERN_INFO "unimplemented!\n"); | |
806 | } | |
807 | ||
808 | static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg) | |
809 | { | |
810 | printk(KERN_INFO "unimplemented!\n"); | |
811 | } | |
812 | ||
813 | static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg) | |
814 | { | |
815 | printk(KERN_INFO "unimplemented!\n"); | |
816 | } | |
817 | ||
818 | static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg) | |
819 | { | |
820 | int idx = U8(*ptr); | |
821 | (*ptr)++; | |
822 | SDEBUG(" block: %d\n", idx); | |
823 | if (!idx) | |
824 | ctx->ctx->data_block = 0; | |
825 | else if (idx == 255) | |
826 | ctx->ctx->data_block = ctx->start; | |
827 | else | |
828 | ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx); | |
829 | SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block); | |
830 | } | |
831 | ||
832 | static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg) | |
833 | { | |
834 | uint8_t attr = U8((*ptr)++); | |
835 | SDEBUG(" fb_base: "); | |
836 | ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr); | |
837 | } | |
838 | ||
839 | static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg) | |
840 | { | |
841 | int port; | |
842 | switch (arg) { | |
843 | case ATOM_PORT_ATI: | |
844 | port = U16(*ptr); | |
845 | if (port < ATOM_IO_NAMES_CNT) | |
846 | SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]); | |
847 | else | |
848 | SDEBUG(" port: %d\n", port); | |
849 | if (!port) | |
850 | ctx->ctx->io_mode = ATOM_IO_MM; | |
851 | else | |
852 | ctx->ctx->io_mode = ATOM_IO_IIO | port; | |
853 | (*ptr) += 2; | |
854 | break; | |
855 | case ATOM_PORT_PCI: | |
856 | ctx->ctx->io_mode = ATOM_IO_PCI; | |
857 | (*ptr)++; | |
858 | break; | |
859 | case ATOM_PORT_SYSIO: | |
860 | ctx->ctx->io_mode = ATOM_IO_SYSIO; | |
861 | (*ptr)++; | |
862 | break; | |
863 | } | |
864 | } | |
865 | ||
866 | static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg) | |
867 | { | |
868 | ctx->ctx->reg_block = U16(*ptr); | |
869 | (*ptr) += 2; | |
870 | SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block); | |
871 | } | |
872 | ||
9f53e793 AD |
873 | static void atom_op_shift_left(atom_exec_context *ctx, int *ptr, int arg) |
874 | { | |
875 | uint8_t attr = U8((*ptr)++), shift; | |
876 | uint32_t saved, dst; | |
877 | int dptr = *ptr; | |
878 | attr &= 0x38; | |
879 | attr |= atom_def_dst[attr >> 3] << 6; | |
880 | SDEBUG(" dst: "); | |
881 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
882 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
883 | SDEBUG(" shift: %d\n", shift); | |
884 | dst <<= shift; | |
885 | SDEBUG(" dst: "); | |
886 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
887 | } | |
888 | ||
889 | static void atom_op_shift_right(atom_exec_context *ctx, int *ptr, int arg) | |
890 | { | |
891 | uint8_t attr = U8((*ptr)++), shift; | |
892 | uint32_t saved, dst; | |
893 | int dptr = *ptr; | |
894 | attr &= 0x38; | |
895 | attr |= atom_def_dst[attr >> 3] << 6; | |
896 | SDEBUG(" dst: "); | |
897 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
898 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
899 | SDEBUG(" shift: %d\n", shift); | |
900 | dst >>= shift; | |
901 | SDEBUG(" dst: "); | |
902 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
903 | } | |
904 | ||
771fe6b9 JG |
905 | static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg) |
906 | { | |
907 | uint8_t attr = U8((*ptr)++), shift; | |
908 | uint32_t saved, dst; | |
909 | int dptr = *ptr; | |
771fe6b9 JG |
910 | SDEBUG(" dst: "); |
911 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
9f53e793 | 912 | shift = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
913 | SDEBUG(" shift: %d\n", shift); |
914 | dst <<= shift; | |
915 | SDEBUG(" dst: "); | |
916 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
917 | } | |
918 | ||
919 | static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg) | |
920 | { | |
921 | uint8_t attr = U8((*ptr)++), shift; | |
922 | uint32_t saved, dst; | |
923 | int dptr = *ptr; | |
771fe6b9 JG |
924 | SDEBUG(" dst: "); |
925 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
9f53e793 | 926 | shift = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
927 | SDEBUG(" shift: %d\n", shift); |
928 | dst >>= shift; | |
929 | SDEBUG(" dst: "); | |
930 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
931 | } | |
932 | ||
933 | static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg) | |
934 | { | |
935 | uint8_t attr = U8((*ptr)++); | |
936 | uint32_t dst, src, saved; | |
937 | int dptr = *ptr; | |
938 | SDEBUG(" dst: "); | |
939 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
940 | SDEBUG(" src: "); | |
941 | src = atom_get_src(ctx, attr, ptr); | |
942 | dst -= src; | |
943 | SDEBUG(" dst: "); | |
944 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
945 | } | |
946 | ||
947 | static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg) | |
948 | { | |
949 | uint8_t attr = U8((*ptr)++); | |
950 | uint32_t src, val, target; | |
951 | SDEBUG(" switch: "); | |
952 | src = atom_get_src(ctx, attr, ptr); | |
953 | while (U16(*ptr) != ATOM_CASE_END) | |
954 | if (U8(*ptr) == ATOM_CASE_MAGIC) { | |
955 | (*ptr)++; | |
956 | SDEBUG(" case: "); | |
957 | val = | |
958 | atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM, | |
959 | ptr); | |
960 | target = U16(*ptr); | |
961 | if (val == src) { | |
962 | SDEBUG(" target: %04X\n", target); | |
963 | *ptr = ctx->start + target; | |
964 | return; | |
965 | } | |
966 | (*ptr) += 2; | |
967 | } else { | |
968 | printk(KERN_INFO "Bad case.\n"); | |
969 | return; | |
970 | } | |
971 | (*ptr) += 2; | |
972 | } | |
973 | ||
974 | static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg) | |
975 | { | |
976 | uint8_t attr = U8((*ptr)++); | |
977 | uint32_t dst, src; | |
978 | SDEBUG(" src1: "); | |
979 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
980 | SDEBUG(" src2: "); | |
981 | src = atom_get_src(ctx, attr, ptr); | |
982 | ctx->ctx->cs_equal = ((dst & src) == 0); | |
983 | SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE"); | |
984 | } | |
985 | ||
986 | static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg) | |
987 | { | |
988 | uint8_t attr = U8((*ptr)++); | |
989 | uint32_t dst, src, saved; | |
990 | int dptr = *ptr; | |
991 | SDEBUG(" dst: "); | |
992 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
993 | SDEBUG(" src: "); | |
994 | src = atom_get_src(ctx, attr, ptr); | |
995 | dst ^= src; | |
996 | SDEBUG(" dst: "); | |
997 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
998 | } | |
999 | ||
1000 | static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg) | |
1001 | { | |
1002 | printk(KERN_INFO "unimplemented!\n"); | |
1003 | } | |
1004 | ||
1005 | static struct { | |
1006 | void (*func) (atom_exec_context *, int *, int); | |
1007 | int arg; | |
1008 | } opcode_table[ATOM_OP_CNT] = { | |
1009 | { | |
1010 | NULL, 0}, { | |
1011 | atom_op_move, ATOM_ARG_REG}, { | |
1012 | atom_op_move, ATOM_ARG_PS}, { | |
1013 | atom_op_move, ATOM_ARG_WS}, { | |
1014 | atom_op_move, ATOM_ARG_FB}, { | |
1015 | atom_op_move, ATOM_ARG_PLL}, { | |
1016 | atom_op_move, ATOM_ARG_MC}, { | |
1017 | atom_op_and, ATOM_ARG_REG}, { | |
1018 | atom_op_and, ATOM_ARG_PS}, { | |
1019 | atom_op_and, ATOM_ARG_WS}, { | |
1020 | atom_op_and, ATOM_ARG_FB}, { | |
1021 | atom_op_and, ATOM_ARG_PLL}, { | |
1022 | atom_op_and, ATOM_ARG_MC}, { | |
1023 | atom_op_or, ATOM_ARG_REG}, { | |
1024 | atom_op_or, ATOM_ARG_PS}, { | |
1025 | atom_op_or, ATOM_ARG_WS}, { | |
1026 | atom_op_or, ATOM_ARG_FB}, { | |
1027 | atom_op_or, ATOM_ARG_PLL}, { | |
1028 | atom_op_or, ATOM_ARG_MC}, { | |
9f53e793 AD |
1029 | atom_op_shift_left, ATOM_ARG_REG}, { |
1030 | atom_op_shift_left, ATOM_ARG_PS}, { | |
1031 | atom_op_shift_left, ATOM_ARG_WS}, { | |
1032 | atom_op_shift_left, ATOM_ARG_FB}, { | |
1033 | atom_op_shift_left, ATOM_ARG_PLL}, { | |
1034 | atom_op_shift_left, ATOM_ARG_MC}, { | |
1035 | atom_op_shift_right, ATOM_ARG_REG}, { | |
1036 | atom_op_shift_right, ATOM_ARG_PS}, { | |
1037 | atom_op_shift_right, ATOM_ARG_WS}, { | |
1038 | atom_op_shift_right, ATOM_ARG_FB}, { | |
1039 | atom_op_shift_right, ATOM_ARG_PLL}, { | |
1040 | atom_op_shift_right, ATOM_ARG_MC}, { | |
771fe6b9 JG |
1041 | atom_op_mul, ATOM_ARG_REG}, { |
1042 | atom_op_mul, ATOM_ARG_PS}, { | |
1043 | atom_op_mul, ATOM_ARG_WS}, { | |
1044 | atom_op_mul, ATOM_ARG_FB}, { | |
1045 | atom_op_mul, ATOM_ARG_PLL}, { | |
1046 | atom_op_mul, ATOM_ARG_MC}, { | |
1047 | atom_op_div, ATOM_ARG_REG}, { | |
1048 | atom_op_div, ATOM_ARG_PS}, { | |
1049 | atom_op_div, ATOM_ARG_WS}, { | |
1050 | atom_op_div, ATOM_ARG_FB}, { | |
1051 | atom_op_div, ATOM_ARG_PLL}, { | |
1052 | atom_op_div, ATOM_ARG_MC}, { | |
1053 | atom_op_add, ATOM_ARG_REG}, { | |
1054 | atom_op_add, ATOM_ARG_PS}, { | |
1055 | atom_op_add, ATOM_ARG_WS}, { | |
1056 | atom_op_add, ATOM_ARG_FB}, { | |
1057 | atom_op_add, ATOM_ARG_PLL}, { | |
1058 | atom_op_add, ATOM_ARG_MC}, { | |
1059 | atom_op_sub, ATOM_ARG_REG}, { | |
1060 | atom_op_sub, ATOM_ARG_PS}, { | |
1061 | atom_op_sub, ATOM_ARG_WS}, { | |
1062 | atom_op_sub, ATOM_ARG_FB}, { | |
1063 | atom_op_sub, ATOM_ARG_PLL}, { | |
1064 | atom_op_sub, ATOM_ARG_MC}, { | |
1065 | atom_op_setport, ATOM_PORT_ATI}, { | |
1066 | atom_op_setport, ATOM_PORT_PCI}, { | |
1067 | atom_op_setport, ATOM_PORT_SYSIO}, { | |
1068 | atom_op_setregblock, 0}, { | |
1069 | atom_op_setfbbase, 0}, { | |
1070 | atom_op_compare, ATOM_ARG_REG}, { | |
1071 | atom_op_compare, ATOM_ARG_PS}, { | |
1072 | atom_op_compare, ATOM_ARG_WS}, { | |
1073 | atom_op_compare, ATOM_ARG_FB}, { | |
1074 | atom_op_compare, ATOM_ARG_PLL}, { | |
1075 | atom_op_compare, ATOM_ARG_MC}, { | |
1076 | atom_op_switch, 0}, { | |
1077 | atom_op_jump, ATOM_COND_ALWAYS}, { | |
1078 | atom_op_jump, ATOM_COND_EQUAL}, { | |
1079 | atom_op_jump, ATOM_COND_BELOW}, { | |
1080 | atom_op_jump, ATOM_COND_ABOVE}, { | |
1081 | atom_op_jump, ATOM_COND_BELOWOREQUAL}, { | |
1082 | atom_op_jump, ATOM_COND_ABOVEOREQUAL}, { | |
1083 | atom_op_jump, ATOM_COND_NOTEQUAL}, { | |
1084 | atom_op_test, ATOM_ARG_REG}, { | |
1085 | atom_op_test, ATOM_ARG_PS}, { | |
1086 | atom_op_test, ATOM_ARG_WS}, { | |
1087 | atom_op_test, ATOM_ARG_FB}, { | |
1088 | atom_op_test, ATOM_ARG_PLL}, { | |
1089 | atom_op_test, ATOM_ARG_MC}, { | |
1090 | atom_op_delay, ATOM_UNIT_MILLISEC}, { | |
1091 | atom_op_delay, ATOM_UNIT_MICROSEC}, { | |
1092 | atom_op_calltable, 0}, { | |
1093 | atom_op_repeat, 0}, { | |
1094 | atom_op_clear, ATOM_ARG_REG}, { | |
1095 | atom_op_clear, ATOM_ARG_PS}, { | |
1096 | atom_op_clear, ATOM_ARG_WS}, { | |
1097 | atom_op_clear, ATOM_ARG_FB}, { | |
1098 | atom_op_clear, ATOM_ARG_PLL}, { | |
1099 | atom_op_clear, ATOM_ARG_MC}, { | |
1100 | atom_op_nop, 0}, { | |
1101 | atom_op_eot, 0}, { | |
1102 | atom_op_mask, ATOM_ARG_REG}, { | |
1103 | atom_op_mask, ATOM_ARG_PS}, { | |
1104 | atom_op_mask, ATOM_ARG_WS}, { | |
1105 | atom_op_mask, ATOM_ARG_FB}, { | |
1106 | atom_op_mask, ATOM_ARG_PLL}, { | |
1107 | atom_op_mask, ATOM_ARG_MC}, { | |
1108 | atom_op_postcard, 0}, { | |
1109 | atom_op_beep, 0}, { | |
1110 | atom_op_savereg, 0}, { | |
1111 | atom_op_restorereg, 0}, { | |
1112 | atom_op_setdatablock, 0}, { | |
1113 | atom_op_xor, ATOM_ARG_REG}, { | |
1114 | atom_op_xor, ATOM_ARG_PS}, { | |
1115 | atom_op_xor, ATOM_ARG_WS}, { | |
1116 | atom_op_xor, ATOM_ARG_FB}, { | |
1117 | atom_op_xor, ATOM_ARG_PLL}, { | |
1118 | atom_op_xor, ATOM_ARG_MC}, { | |
1119 | atom_op_shl, ATOM_ARG_REG}, { | |
1120 | atom_op_shl, ATOM_ARG_PS}, { | |
1121 | atom_op_shl, ATOM_ARG_WS}, { | |
1122 | atom_op_shl, ATOM_ARG_FB}, { | |
1123 | atom_op_shl, ATOM_ARG_PLL}, { | |
1124 | atom_op_shl, ATOM_ARG_MC}, { | |
1125 | atom_op_shr, ATOM_ARG_REG}, { | |
1126 | atom_op_shr, ATOM_ARG_PS}, { | |
1127 | atom_op_shr, ATOM_ARG_WS}, { | |
1128 | atom_op_shr, ATOM_ARG_FB}, { | |
1129 | atom_op_shr, ATOM_ARG_PLL}, { | |
1130 | atom_op_shr, ATOM_ARG_MC}, { | |
1131 | atom_op_debug, 0},}; | |
1132 | ||
c21b0fe6 | 1133 | static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params) |
771fe6b9 JG |
1134 | { |
1135 | int base = CU16(ctx->cmd_table + 4 + 2 * index); | |
1136 | int len, ws, ps, ptr; | |
1137 | unsigned char op; | |
1138 | atom_exec_context ectx; | |
1139 | ||
1140 | if (!base) | |
c21b0fe6 | 1141 | return -EINVAL; |
771fe6b9 JG |
1142 | |
1143 | len = CU16(base + ATOM_CT_SIZE_PTR); | |
1144 | ws = CU8(base + ATOM_CT_WS_PTR); | |
1145 | ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK; | |
1146 | ptr = base + ATOM_CT_CODE_PTR; | |
1147 | ||
1148 | SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps); | |
1149 | ||
771fe6b9 JG |
1150 | ectx.ctx = ctx; |
1151 | ectx.ps_shift = ps / 4; | |
1152 | ectx.start = base; | |
1153 | ectx.ps = params; | |
c21b0fe6 JG |
1154 | ectx.abort = false; |
1155 | ectx.last_jump = 0; | |
771fe6b9 JG |
1156 | if (ws) |
1157 | ectx.ws = kzalloc(4 * ws, GFP_KERNEL); | |
1158 | else | |
1159 | ectx.ws = NULL; | |
1160 | ||
1161 | debug_depth++; | |
1162 | while (1) { | |
1163 | op = CU8(ptr++); | |
1164 | if (op < ATOM_OP_NAMES_CNT) | |
1165 | SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1); | |
1166 | else | |
1167 | SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1); | |
c21b0fe6 JG |
1168 | if (ectx.abort) { |
1169 | DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n", | |
1170 | base, len, ws, ps, ptr - 1); | |
1171 | return -EINVAL; | |
1172 | } | |
771fe6b9 JG |
1173 | |
1174 | if (op < ATOM_OP_CNT && op > 0) | |
1175 | opcode_table[op].func(&ectx, &ptr, | |
1176 | opcode_table[op].arg); | |
1177 | else | |
1178 | break; | |
1179 | ||
1180 | if (op == ATOM_OP_EOT) | |
1181 | break; | |
1182 | } | |
1183 | debug_depth--; | |
1184 | SDEBUG("<<\n"); | |
1185 | ||
1186 | if (ws) | |
1187 | kfree(ectx.ws); | |
c21b0fe6 | 1188 | return 0; |
771fe6b9 JG |
1189 | } |
1190 | ||
c21b0fe6 | 1191 | int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) |
c31ad97f | 1192 | { |
c21b0fe6 JG |
1193 | int r; |
1194 | ||
c31ad97f | 1195 | mutex_lock(&ctx->mutex); |
947bfc83 AD |
1196 | /* reset reg block */ |
1197 | ctx->reg_block = 0; | |
1198 | /* reset fb window */ | |
1199 | ctx->fb_base = 0; | |
1200 | /* reset io mode */ | |
1201 | ctx->io_mode = ATOM_IO_MM; | |
c21b0fe6 | 1202 | r = atom_execute_table_locked(ctx, index, params); |
c31ad97f | 1203 | mutex_unlock(&ctx->mutex); |
c21b0fe6 | 1204 | return r; |
c31ad97f RM |
1205 | } |
1206 | ||
771fe6b9 JG |
1207 | static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 }; |
1208 | ||
1209 | static void atom_index_iio(struct atom_context *ctx, int base) | |
1210 | { | |
1211 | ctx->iio = kzalloc(2 * 256, GFP_KERNEL); | |
1212 | while (CU8(base) == ATOM_IIO_START) { | |
1213 | ctx->iio[CU8(base + 1)] = base + 2; | |
1214 | base += 2; | |
1215 | while (CU8(base) != ATOM_IIO_END) | |
1216 | base += atom_iio_len[CU8(base)]; | |
1217 | base += 3; | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | struct atom_context *atom_parse(struct card_info *card, void *bios) | |
1222 | { | |
1223 | int base; | |
1224 | struct atom_context *ctx = | |
1225 | kzalloc(sizeof(struct atom_context), GFP_KERNEL); | |
1226 | char *str; | |
1227 | char name[512]; | |
1228 | int i; | |
1229 | ||
1230 | ctx->card = card; | |
1231 | ctx->bios = bios; | |
1232 | ||
1233 | if (CU16(0) != ATOM_BIOS_MAGIC) { | |
1234 | printk(KERN_INFO "Invalid BIOS magic.\n"); | |
1235 | kfree(ctx); | |
1236 | return NULL; | |
1237 | } | |
1238 | if (strncmp | |
1239 | (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC, | |
1240 | strlen(ATOM_ATI_MAGIC))) { | |
1241 | printk(KERN_INFO "Invalid ATI magic.\n"); | |
1242 | kfree(ctx); | |
1243 | return NULL; | |
1244 | } | |
1245 | ||
1246 | base = CU16(ATOM_ROM_TABLE_PTR); | |
1247 | if (strncmp | |
1248 | (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC, | |
1249 | strlen(ATOM_ROM_MAGIC))) { | |
1250 | printk(KERN_INFO "Invalid ATOM magic.\n"); | |
1251 | kfree(ctx); | |
1252 | return NULL; | |
1253 | } | |
1254 | ||
1255 | ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR); | |
1256 | ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR); | |
1257 | atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4); | |
1258 | ||
1259 | str = CSTR(CU16(base + ATOM_ROM_MSG_PTR)); | |
1260 | while (*str && ((*str == '\n') || (*str == '\r'))) | |
1261 | str++; | |
1262 | /* name string isn't always 0 terminated */ | |
1263 | for (i = 0; i < 511; i++) { | |
1264 | name[i] = str[i]; | |
1265 | if (name[i] < '.' || name[i] > 'z') { | |
1266 | name[i] = 0; | |
1267 | break; | |
1268 | } | |
1269 | } | |
1270 | printk(KERN_INFO "ATOM BIOS: %s\n", name); | |
1271 | ||
1272 | return ctx; | |
1273 | } | |
1274 | ||
1275 | int atom_asic_init(struct atom_context *ctx) | |
1276 | { | |
1277 | int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR); | |
1278 | uint32_t ps[16]; | |
1279 | memset(ps, 0, 64); | |
1280 | ||
1281 | ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR)); | |
1282 | ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR)); | |
1283 | if (!ps[0] || !ps[1]) | |
1284 | return 1; | |
1285 | ||
1286 | if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT)) | |
1287 | return 1; | |
c21b0fe6 | 1288 | return atom_execute_table(ctx, ATOM_CMD_INIT, ps); |
771fe6b9 JG |
1289 | } |
1290 | ||
1291 | void atom_destroy(struct atom_context *ctx) | |
1292 | { | |
1293 | if (ctx->iio) | |
1294 | kfree(ctx->iio); | |
1295 | kfree(ctx); | |
1296 | } | |
1297 | ||
a084e6ee | 1298 | bool atom_parse_data_header(struct atom_context *ctx, int index, |
771fe6b9 JG |
1299 | uint16_t * size, uint8_t * frev, uint8_t * crev, |
1300 | uint16_t * data_start) | |
1301 | { | |
1302 | int offset = index * 2 + 4; | |
1303 | int idx = CU16(ctx->data_table + offset); | |
a084e6ee AD |
1304 | u16 *mdt = (u16 *)(ctx->bios + ctx->data_table + 4); |
1305 | ||
1306 | if (!mdt[index]) | |
1307 | return false; | |
771fe6b9 JG |
1308 | |
1309 | if (size) | |
1310 | *size = CU16(idx); | |
1311 | if (frev) | |
1312 | *frev = CU8(idx + 2); | |
1313 | if (crev) | |
1314 | *crev = CU8(idx + 3); | |
1315 | *data_start = idx; | |
a084e6ee | 1316 | return true; |
771fe6b9 JG |
1317 | } |
1318 | ||
a084e6ee | 1319 | bool atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev, |
771fe6b9 JG |
1320 | uint8_t * crev) |
1321 | { | |
1322 | int offset = index * 2 + 4; | |
1323 | int idx = CU16(ctx->cmd_table + offset); | |
a084e6ee AD |
1324 | u16 *mct = (u16 *)(ctx->bios + ctx->cmd_table + 4); |
1325 | ||
1326 | if (!mct[index]) | |
1327 | return false; | |
771fe6b9 JG |
1328 | |
1329 | if (frev) | |
1330 | *frev = CU8(idx + 2); | |
1331 | if (crev) | |
1332 | *crev = CU8(idx + 3); | |
a084e6ee | 1333 | return true; |
771fe6b9 | 1334 | } |
5801ead6 AD |
1335 | |
1336 | int atom_allocate_fb_scratch(struct atom_context *ctx) | |
1337 | { | |
1338 | int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware); | |
1339 | uint16_t data_offset; | |
a084e6ee | 1340 | int usage_bytes = 0; |
5801ead6 AD |
1341 | struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage; |
1342 | ||
a084e6ee AD |
1343 | if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { |
1344 | firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); | |
5801ead6 | 1345 | |
a084e6ee AD |
1346 | DRM_DEBUG("atom firmware requested %08x %dkb\n", |
1347 | firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware, | |
1348 | firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb); | |
5801ead6 | 1349 | |
a084e6ee AD |
1350 | usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024; |
1351 | } | |
5801ead6 AD |
1352 | if (usage_bytes == 0) |
1353 | usage_bytes = 20 * 1024; | |
1354 | /* allocate some scratch memory */ | |
1355 | ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); | |
1356 | if (!ctx->scratch) | |
1357 | return -ENOMEM; | |
1358 | return 0; | |
1359 | } |