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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> | |
27 | #include <linux/slab.h> | |
28 | #include <asm/unaligned.h> | |
29 | ||
30 | #define ATOM_DEBUG | |
31 | ||
32 | #include "atom.h" | |
33 | #include "atom-names.h" | |
34 | #include "atom-bits.h" | |
35 | #include "amdgpu.h" | |
36 | ||
37 | #define ATOM_COND_ABOVE 0 | |
38 | #define ATOM_COND_ABOVEOREQUAL 1 | |
39 | #define ATOM_COND_ALWAYS 2 | |
40 | #define ATOM_COND_BELOW 3 | |
41 | #define ATOM_COND_BELOWOREQUAL 4 | |
42 | #define ATOM_COND_EQUAL 5 | |
43 | #define ATOM_COND_NOTEQUAL 6 | |
44 | ||
45 | #define ATOM_PORT_ATI 0 | |
46 | #define ATOM_PORT_PCI 1 | |
47 | #define ATOM_PORT_SYSIO 2 | |
48 | ||
49 | #define ATOM_UNIT_MICROSEC 0 | |
50 | #define ATOM_UNIT_MILLISEC 1 | |
51 | ||
52 | #define PLL_INDEX 2 | |
53 | #define PLL_DATA 3 | |
54 | ||
55 | typedef struct { | |
56 | struct atom_context *ctx; | |
57 | uint32_t *ps, *ws; | |
58 | int ps_shift; | |
59 | uint16_t start; | |
60 | unsigned last_jump; | |
61 | unsigned long last_jump_jiffies; | |
62 | bool abort; | |
63 | } atom_exec_context; | |
64 | ||
65 | int amdgpu_atom_debug = 0; | |
66 | static int amdgpu_atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params); | |
67 | int amdgpu_atom_execute_table(struct atom_context *ctx, int index, uint32_t * params); | |
68 | ||
69 | static uint32_t atom_arg_mask[8] = | |
70 | { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000, | |
71 | 0xFF000000 }; | |
72 | static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 }; | |
73 | ||
74 | static int atom_dst_to_src[8][4] = { | |
75 | /* translate destination alignment field to the source alignment encoding */ | |
76 | {0, 0, 0, 0}, | |
77 | {1, 2, 3, 0}, | |
78 | {1, 2, 3, 0}, | |
79 | {1, 2, 3, 0}, | |
80 | {4, 5, 6, 7}, | |
81 | {4, 5, 6, 7}, | |
82 | {4, 5, 6, 7}, | |
83 | {4, 5, 6, 7}, | |
84 | }; | |
85 | static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 }; | |
86 | ||
87 | static int debug_depth = 0; | |
88 | #ifdef ATOM_DEBUG | |
89 | static void debug_print_spaces(int n) | |
90 | { | |
91 | while (n--) | |
92 | printk(" "); | |
93 | } | |
94 | ||
95 | #define DEBUG(...) do if (amdgpu_atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0) | |
96 | #define SDEBUG(...) do if (amdgpu_atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0) | |
97 | #else | |
98 | #define DEBUG(...) do { } while (0) | |
99 | #define SDEBUG(...) do { } while (0) | |
100 | #endif | |
101 | ||
102 | static uint32_t atom_iio_execute(struct atom_context *ctx, int base, | |
103 | uint32_t index, uint32_t data) | |
104 | { | |
105 | uint32_t temp = 0xCDCDCDCD; | |
106 | ||
107 | while (1) | |
108 | switch (CU8(base)) { | |
109 | case ATOM_IIO_NOP: | |
110 | base++; | |
111 | break; | |
112 | case ATOM_IIO_READ: | |
113 | temp = ctx->card->ioreg_read(ctx->card, CU16(base + 1)); | |
114 | base += 3; | |
115 | break; | |
116 | case ATOM_IIO_WRITE: | |
117 | ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp); | |
118 | base += 3; | |
119 | break; | |
120 | case ATOM_IIO_CLEAR: | |
121 | temp &= | |
122 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
123 | CU8(base + 2)); | |
124 | base += 3; | |
125 | break; | |
126 | case ATOM_IIO_SET: | |
127 | temp |= | |
128 | (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base + | |
129 | 2); | |
130 | base += 3; | |
131 | break; | |
132 | case ATOM_IIO_MOVE_INDEX: | |
133 | temp &= | |
134 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
135 | CU8(base + 3)); | |
136 | temp |= | |
137 | ((index >> CU8(base + 2)) & | |
138 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
139 | 3); | |
140 | base += 4; | |
141 | break; | |
142 | case ATOM_IIO_MOVE_DATA: | |
143 | temp &= | |
144 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
145 | CU8(base + 3)); | |
146 | temp |= | |
147 | ((data >> CU8(base + 2)) & | |
148 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
149 | 3); | |
150 | base += 4; | |
151 | break; | |
152 | case ATOM_IIO_MOVE_ATTR: | |
153 | temp &= | |
154 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
155 | CU8(base + 3)); | |
156 | temp |= | |
157 | ((ctx-> | |
158 | io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 - | |
159 | CU8 | |
160 | (base | |
161 | + | |
162 | 1)))) | |
163 | << CU8(base + 3); | |
164 | base += 4; | |
165 | break; | |
166 | case ATOM_IIO_END: | |
167 | return temp; | |
168 | default: | |
169 | printk(KERN_INFO "Unknown IIO opcode.\n"); | |
170 | return 0; | |
171 | } | |
172 | } | |
173 | ||
174 | static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, | |
175 | int *ptr, uint32_t *saved, int print) | |
176 | { | |
177 | uint32_t idx, val = 0xCDCDCDCD, align, arg; | |
178 | struct atom_context *gctx = ctx->ctx; | |
179 | arg = attr & 7; | |
180 | align = (attr >> 3) & 7; | |
181 | switch (arg) { | |
182 | case ATOM_ARG_REG: | |
183 | idx = U16(*ptr); | |
184 | (*ptr) += 2; | |
185 | if (print) | |
186 | DEBUG("REG[0x%04X]", idx); | |
187 | idx += gctx->reg_block; | |
188 | switch (gctx->io_mode) { | |
189 | case ATOM_IO_MM: | |
190 | val = gctx->card->reg_read(gctx->card, idx); | |
191 | break; | |
192 | case ATOM_IO_PCI: | |
193 | printk(KERN_INFO | |
194 | "PCI registers are not implemented.\n"); | |
195 | return 0; | |
196 | case ATOM_IO_SYSIO: | |
197 | printk(KERN_INFO | |
198 | "SYSIO registers are not implemented.\n"); | |
199 | return 0; | |
200 | default: | |
201 | if (!(gctx->io_mode & 0x80)) { | |
202 | printk(KERN_INFO "Bad IO mode.\n"); | |
203 | return 0; | |
204 | } | |
205 | if (!gctx->iio[gctx->io_mode & 0x7F]) { | |
206 | printk(KERN_INFO | |
207 | "Undefined indirect IO read method %d.\n", | |
208 | gctx->io_mode & 0x7F); | |
209 | return 0; | |
210 | } | |
211 | val = | |
212 | atom_iio_execute(gctx, | |
213 | gctx->iio[gctx->io_mode & 0x7F], | |
214 | idx, 0); | |
215 | } | |
216 | break; | |
217 | case ATOM_ARG_PS: | |
218 | idx = U8(*ptr); | |
219 | (*ptr)++; | |
220 | /* get_unaligned_le32 avoids unaligned accesses from atombios | |
221 | * tables, noticed on a DEC Alpha. */ | |
222 | val = get_unaligned_le32((u32 *)&ctx->ps[idx]); | |
223 | if (print) | |
224 | DEBUG("PS[0x%02X,0x%04X]", idx, val); | |
225 | break; | |
226 | case ATOM_ARG_WS: | |
227 | idx = U8(*ptr); | |
228 | (*ptr)++; | |
229 | if (print) | |
230 | DEBUG("WS[0x%02X]", idx); | |
231 | switch (idx) { | |
232 | case ATOM_WS_QUOTIENT: | |
233 | val = gctx->divmul[0]; | |
234 | break; | |
235 | case ATOM_WS_REMAINDER: | |
236 | val = gctx->divmul[1]; | |
237 | break; | |
238 | case ATOM_WS_DATAPTR: | |
239 | val = gctx->data_block; | |
240 | break; | |
241 | case ATOM_WS_SHIFT: | |
242 | val = gctx->shift; | |
243 | break; | |
244 | case ATOM_WS_OR_MASK: | |
245 | val = 1 << gctx->shift; | |
246 | break; | |
247 | case ATOM_WS_AND_MASK: | |
248 | val = ~(1 << gctx->shift); | |
249 | break; | |
250 | case ATOM_WS_FB_WINDOW: | |
251 | val = gctx->fb_base; | |
252 | break; | |
253 | case ATOM_WS_ATTRIBUTES: | |
254 | val = gctx->io_attr; | |
255 | break; | |
256 | case ATOM_WS_REGPTR: | |
257 | val = gctx->reg_block; | |
258 | break; | |
259 | default: | |
260 | val = ctx->ws[idx]; | |
261 | } | |
262 | break; | |
263 | case ATOM_ARG_ID: | |
264 | idx = U16(*ptr); | |
265 | (*ptr) += 2; | |
266 | if (print) { | |
267 | if (gctx->data_block) | |
268 | DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block); | |
269 | else | |
270 | DEBUG("ID[0x%04X]", idx); | |
271 | } | |
272 | val = U32(idx + gctx->data_block); | |
273 | break; | |
274 | case ATOM_ARG_FB: | |
275 | idx = U8(*ptr); | |
276 | (*ptr)++; | |
277 | if ((gctx->fb_base + (idx * 4)) > gctx->scratch_size_bytes) { | |
278 | DRM_ERROR("ATOM: fb read beyond scratch region: %d vs. %d\n", | |
279 | gctx->fb_base + (idx * 4), gctx->scratch_size_bytes); | |
280 | val = 0; | |
281 | } else | |
282 | val = gctx->scratch[(gctx->fb_base / 4) + idx]; | |
283 | if (print) | |
284 | DEBUG("FB[0x%02X]", idx); | |
285 | break; | |
286 | case ATOM_ARG_IMM: | |
287 | switch (align) { | |
288 | case ATOM_SRC_DWORD: | |
289 | val = U32(*ptr); | |
290 | (*ptr) += 4; | |
291 | if (print) | |
292 | DEBUG("IMM 0x%08X\n", val); | |
293 | return val; | |
294 | case ATOM_SRC_WORD0: | |
295 | case ATOM_SRC_WORD8: | |
296 | case ATOM_SRC_WORD16: | |
297 | val = U16(*ptr); | |
298 | (*ptr) += 2; | |
299 | if (print) | |
300 | DEBUG("IMM 0x%04X\n", val); | |
301 | return val; | |
302 | case ATOM_SRC_BYTE0: | |
303 | case ATOM_SRC_BYTE8: | |
304 | case ATOM_SRC_BYTE16: | |
305 | case ATOM_SRC_BYTE24: | |
306 | val = U8(*ptr); | |
307 | (*ptr)++; | |
308 | if (print) | |
309 | DEBUG("IMM 0x%02X\n", val); | |
310 | return val; | |
311 | } | |
312 | return 0; | |
313 | case ATOM_ARG_PLL: | |
314 | idx = U8(*ptr); | |
315 | (*ptr)++; | |
316 | if (print) | |
317 | DEBUG("PLL[0x%02X]", idx); | |
318 | val = gctx->card->pll_read(gctx->card, idx); | |
319 | break; | |
320 | case ATOM_ARG_MC: | |
321 | idx = U8(*ptr); | |
322 | (*ptr)++; | |
323 | if (print) | |
324 | DEBUG("MC[0x%02X]", idx); | |
325 | val = gctx->card->mc_read(gctx->card, idx); | |
326 | break; | |
327 | } | |
328 | if (saved) | |
329 | *saved = val; | |
330 | val &= atom_arg_mask[align]; | |
331 | val >>= atom_arg_shift[align]; | |
332 | if (print) | |
333 | switch (align) { | |
334 | case ATOM_SRC_DWORD: | |
335 | DEBUG(".[31:0] -> 0x%08X\n", val); | |
336 | break; | |
337 | case ATOM_SRC_WORD0: | |
338 | DEBUG(".[15:0] -> 0x%04X\n", val); | |
339 | break; | |
340 | case ATOM_SRC_WORD8: | |
341 | DEBUG(".[23:8] -> 0x%04X\n", val); | |
342 | break; | |
343 | case ATOM_SRC_WORD16: | |
344 | DEBUG(".[31:16] -> 0x%04X\n", val); | |
345 | break; | |
346 | case ATOM_SRC_BYTE0: | |
347 | DEBUG(".[7:0] -> 0x%02X\n", val); | |
348 | break; | |
349 | case ATOM_SRC_BYTE8: | |
350 | DEBUG(".[15:8] -> 0x%02X\n", val); | |
351 | break; | |
352 | case ATOM_SRC_BYTE16: | |
353 | DEBUG(".[23:16] -> 0x%02X\n", val); | |
354 | break; | |
355 | case ATOM_SRC_BYTE24: | |
356 | DEBUG(".[31:24] -> 0x%02X\n", val); | |
357 | break; | |
358 | } | |
359 | return val; | |
360 | } | |
361 | ||
362 | static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
363 | { | |
364 | uint32_t align = (attr >> 3) & 7, arg = attr & 7; | |
365 | switch (arg) { | |
366 | case ATOM_ARG_REG: | |
367 | case ATOM_ARG_ID: | |
368 | (*ptr) += 2; | |
369 | break; | |
370 | case ATOM_ARG_PLL: | |
371 | case ATOM_ARG_MC: | |
372 | case ATOM_ARG_PS: | |
373 | case ATOM_ARG_WS: | |
374 | case ATOM_ARG_FB: | |
375 | (*ptr)++; | |
376 | break; | |
377 | case ATOM_ARG_IMM: | |
378 | switch (align) { | |
379 | case ATOM_SRC_DWORD: | |
380 | (*ptr) += 4; | |
381 | return; | |
382 | case ATOM_SRC_WORD0: | |
383 | case ATOM_SRC_WORD8: | |
384 | case ATOM_SRC_WORD16: | |
385 | (*ptr) += 2; | |
386 | return; | |
387 | case ATOM_SRC_BYTE0: | |
388 | case ATOM_SRC_BYTE8: | |
389 | case ATOM_SRC_BYTE16: | |
390 | case ATOM_SRC_BYTE24: | |
391 | (*ptr)++; | |
392 | return; | |
393 | } | |
394 | return; | |
395 | } | |
396 | } | |
397 | ||
398 | static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
399 | { | |
400 | return atom_get_src_int(ctx, attr, ptr, NULL, 1); | |
401 | } | |
402 | ||
403 | static uint32_t atom_get_src_direct(atom_exec_context *ctx, uint8_t align, int *ptr) | |
404 | { | |
405 | uint32_t val = 0xCDCDCDCD; | |
406 | ||
407 | switch (align) { | |
408 | case ATOM_SRC_DWORD: | |
409 | val = U32(*ptr); | |
410 | (*ptr) += 4; | |
411 | break; | |
412 | case ATOM_SRC_WORD0: | |
413 | case ATOM_SRC_WORD8: | |
414 | case ATOM_SRC_WORD16: | |
415 | val = U16(*ptr); | |
416 | (*ptr) += 2; | |
417 | break; | |
418 | case ATOM_SRC_BYTE0: | |
419 | case ATOM_SRC_BYTE8: | |
420 | case ATOM_SRC_BYTE16: | |
421 | case ATOM_SRC_BYTE24: | |
422 | val = U8(*ptr); | |
423 | (*ptr)++; | |
424 | break; | |
425 | } | |
426 | return val; | |
427 | } | |
428 | ||
429 | static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr, | |
430 | int *ptr, uint32_t *saved, int print) | |
431 | { | |
432 | return atom_get_src_int(ctx, | |
433 | arg | atom_dst_to_src[(attr >> 3) & | |
434 | 7][(attr >> 6) & 3] << 3, | |
435 | ptr, saved, print); | |
436 | } | |
437 | ||
438 | static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr) | |
439 | { | |
440 | atom_skip_src_int(ctx, | |
441 | arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & | |
442 | 3] << 3, ptr); | |
443 | } | |
444 | ||
445 | static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr, | |
446 | int *ptr, uint32_t val, uint32_t saved) | |
447 | { | |
448 | uint32_t align = | |
449 | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val = | |
450 | val, idx; | |
451 | struct atom_context *gctx = ctx->ctx; | |
452 | old_val &= atom_arg_mask[align] >> atom_arg_shift[align]; | |
453 | val <<= atom_arg_shift[align]; | |
454 | val &= atom_arg_mask[align]; | |
455 | saved &= ~atom_arg_mask[align]; | |
456 | val |= saved; | |
457 | switch (arg) { | |
458 | case ATOM_ARG_REG: | |
459 | idx = U16(*ptr); | |
460 | (*ptr) += 2; | |
461 | DEBUG("REG[0x%04X]", idx); | |
462 | idx += gctx->reg_block; | |
463 | switch (gctx->io_mode) { | |
464 | case ATOM_IO_MM: | |
465 | if (idx == 0) | |
466 | gctx->card->reg_write(gctx->card, idx, | |
467 | val << 2); | |
468 | else | |
469 | gctx->card->reg_write(gctx->card, idx, val); | |
470 | break; | |
471 | case ATOM_IO_PCI: | |
472 | printk(KERN_INFO | |
473 | "PCI registers are not implemented.\n"); | |
474 | return; | |
475 | case ATOM_IO_SYSIO: | |
476 | printk(KERN_INFO | |
477 | "SYSIO registers are not implemented.\n"); | |
478 | return; | |
479 | default: | |
480 | if (!(gctx->io_mode & 0x80)) { | |
481 | printk(KERN_INFO "Bad IO mode.\n"); | |
482 | return; | |
483 | } | |
484 | if (!gctx->iio[gctx->io_mode & 0xFF]) { | |
485 | printk(KERN_INFO | |
486 | "Undefined indirect IO write method %d.\n", | |
487 | gctx->io_mode & 0x7F); | |
488 | return; | |
489 | } | |
490 | atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF], | |
491 | idx, val); | |
492 | } | |
493 | break; | |
494 | case ATOM_ARG_PS: | |
495 | idx = U8(*ptr); | |
496 | (*ptr)++; | |
497 | DEBUG("PS[0x%02X]", idx); | |
498 | ctx->ps[idx] = cpu_to_le32(val); | |
499 | break; | |
500 | case ATOM_ARG_WS: | |
501 | idx = U8(*ptr); | |
502 | (*ptr)++; | |
503 | DEBUG("WS[0x%02X]", idx); | |
504 | switch (idx) { | |
505 | case ATOM_WS_QUOTIENT: | |
506 | gctx->divmul[0] = val; | |
507 | break; | |
508 | case ATOM_WS_REMAINDER: | |
509 | gctx->divmul[1] = val; | |
510 | break; | |
511 | case ATOM_WS_DATAPTR: | |
512 | gctx->data_block = val; | |
513 | break; | |
514 | case ATOM_WS_SHIFT: | |
515 | gctx->shift = val; | |
516 | break; | |
517 | case ATOM_WS_OR_MASK: | |
518 | case ATOM_WS_AND_MASK: | |
519 | break; | |
520 | case ATOM_WS_FB_WINDOW: | |
521 | gctx->fb_base = val; | |
522 | break; | |
523 | case ATOM_WS_ATTRIBUTES: | |
524 | gctx->io_attr = val; | |
525 | break; | |
526 | case ATOM_WS_REGPTR: | |
527 | gctx->reg_block = val; | |
528 | break; | |
529 | default: | |
530 | ctx->ws[idx] = val; | |
531 | } | |
532 | break; | |
533 | case ATOM_ARG_FB: | |
534 | idx = U8(*ptr); | |
535 | (*ptr)++; | |
536 | if ((gctx->fb_base + (idx * 4)) > gctx->scratch_size_bytes) { | |
537 | DRM_ERROR("ATOM: fb write beyond scratch region: %d vs. %d\n", | |
538 | gctx->fb_base + (idx * 4), gctx->scratch_size_bytes); | |
539 | } else | |
540 | gctx->scratch[(gctx->fb_base / 4) + idx] = val; | |
541 | DEBUG("FB[0x%02X]", idx); | |
542 | break; | |
543 | case ATOM_ARG_PLL: | |
544 | idx = U8(*ptr); | |
545 | (*ptr)++; | |
546 | DEBUG("PLL[0x%02X]", idx); | |
547 | gctx->card->pll_write(gctx->card, idx, val); | |
548 | break; | |
549 | case ATOM_ARG_MC: | |
550 | idx = U8(*ptr); | |
551 | (*ptr)++; | |
552 | DEBUG("MC[0x%02X]", idx); | |
553 | gctx->card->mc_write(gctx->card, idx, val); | |
554 | return; | |
555 | } | |
556 | switch (align) { | |
557 | case ATOM_SRC_DWORD: | |
558 | DEBUG(".[31:0] <- 0x%08X\n", old_val); | |
559 | break; | |
560 | case ATOM_SRC_WORD0: | |
561 | DEBUG(".[15:0] <- 0x%04X\n", old_val); | |
562 | break; | |
563 | case ATOM_SRC_WORD8: | |
564 | DEBUG(".[23:8] <- 0x%04X\n", old_val); | |
565 | break; | |
566 | case ATOM_SRC_WORD16: | |
567 | DEBUG(".[31:16] <- 0x%04X\n", old_val); | |
568 | break; | |
569 | case ATOM_SRC_BYTE0: | |
570 | DEBUG(".[7:0] <- 0x%02X\n", old_val); | |
571 | break; | |
572 | case ATOM_SRC_BYTE8: | |
573 | DEBUG(".[15:8] <- 0x%02X\n", old_val); | |
574 | break; | |
575 | case ATOM_SRC_BYTE16: | |
576 | DEBUG(".[23:16] <- 0x%02X\n", old_val); | |
577 | break; | |
578 | case ATOM_SRC_BYTE24: | |
579 | DEBUG(".[31:24] <- 0x%02X\n", old_val); | |
580 | break; | |
581 | } | |
582 | } | |
583 | ||
584 | static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg) | |
585 | { | |
586 | uint8_t attr = U8((*ptr)++); | |
587 | uint32_t dst, src, saved; | |
588 | int dptr = *ptr; | |
589 | SDEBUG(" dst: "); | |
590 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
591 | SDEBUG(" src: "); | |
592 | src = atom_get_src(ctx, attr, ptr); | |
593 | dst += src; | |
594 | SDEBUG(" dst: "); | |
595 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
596 | } | |
597 | ||
598 | static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg) | |
599 | { | |
600 | uint8_t attr = U8((*ptr)++); | |
601 | uint32_t dst, src, saved; | |
602 | int dptr = *ptr; | |
603 | SDEBUG(" dst: "); | |
604 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
605 | SDEBUG(" src: "); | |
606 | src = atom_get_src(ctx, attr, ptr); | |
607 | dst &= src; | |
608 | SDEBUG(" dst: "); | |
609 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
610 | } | |
611 | ||
612 | static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg) | |
613 | { | |
614 | printk("ATOM BIOS beeped!\n"); | |
615 | } | |
616 | ||
617 | static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg) | |
618 | { | |
619 | int idx = U8((*ptr)++); | |
620 | int r = 0; | |
621 | ||
622 | if (idx < ATOM_TABLE_NAMES_CNT) | |
623 | SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]); | |
624 | else | |
625 | SDEBUG(" table: %d\n", idx); | |
626 | if (U16(ctx->ctx->cmd_table + 4 + 2 * idx)) | |
627 | r = amdgpu_atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift); | |
628 | if (r) { | |
629 | ctx->abort = true; | |
630 | } | |
631 | } | |
632 | ||
633 | static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg) | |
634 | { | |
635 | uint8_t attr = U8((*ptr)++); | |
636 | uint32_t saved; | |
637 | int dptr = *ptr; | |
638 | attr &= 0x38; | |
639 | attr |= atom_def_dst[attr >> 3] << 6; | |
640 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
641 | SDEBUG(" dst: "); | |
642 | atom_put_dst(ctx, arg, attr, &dptr, 0, saved); | |
643 | } | |
644 | ||
645 | static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg) | |
646 | { | |
647 | uint8_t attr = U8((*ptr)++); | |
648 | uint32_t dst, src; | |
649 | SDEBUG(" src1: "); | |
650 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
651 | SDEBUG(" src2: "); | |
652 | src = atom_get_src(ctx, attr, ptr); | |
653 | ctx->ctx->cs_equal = (dst == src); | |
654 | ctx->ctx->cs_above = (dst > src); | |
655 | SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE", | |
656 | ctx->ctx->cs_above ? "GT" : "LE"); | |
657 | } | |
658 | ||
659 | static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg) | |
660 | { | |
661 | unsigned count = U8((*ptr)++); | |
662 | SDEBUG(" count: %d\n", count); | |
663 | if (arg == ATOM_UNIT_MICROSEC) | |
664 | udelay(count); | |
665 | else if (!drm_can_sleep()) | |
666 | mdelay(count); | |
667 | else | |
668 | msleep(count); | |
669 | } | |
670 | ||
671 | static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg) | |
672 | { | |
673 | uint8_t attr = U8((*ptr)++); | |
674 | uint32_t dst, src; | |
675 | SDEBUG(" src1: "); | |
676 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
677 | SDEBUG(" src2: "); | |
678 | src = atom_get_src(ctx, attr, ptr); | |
679 | if (src != 0) { | |
680 | ctx->ctx->divmul[0] = dst / src; | |
681 | ctx->ctx->divmul[1] = dst % src; | |
682 | } else { | |
683 | ctx->ctx->divmul[0] = 0; | |
684 | ctx->ctx->divmul[1] = 0; | |
685 | } | |
686 | } | |
687 | ||
688 | static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg) | |
689 | { | |
690 | /* functionally, a nop */ | |
691 | } | |
692 | ||
693 | static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg) | |
694 | { | |
695 | int execute = 0, target = U16(*ptr); | |
696 | unsigned long cjiffies; | |
697 | ||
698 | (*ptr) += 2; | |
699 | switch (arg) { | |
700 | case ATOM_COND_ABOVE: | |
701 | execute = ctx->ctx->cs_above; | |
702 | break; | |
703 | case ATOM_COND_ABOVEOREQUAL: | |
704 | execute = ctx->ctx->cs_above || ctx->ctx->cs_equal; | |
705 | break; | |
706 | case ATOM_COND_ALWAYS: | |
707 | execute = 1; | |
708 | break; | |
709 | case ATOM_COND_BELOW: | |
710 | execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal); | |
711 | break; | |
712 | case ATOM_COND_BELOWOREQUAL: | |
713 | execute = !ctx->ctx->cs_above; | |
714 | break; | |
715 | case ATOM_COND_EQUAL: | |
716 | execute = ctx->ctx->cs_equal; | |
717 | break; | |
718 | case ATOM_COND_NOTEQUAL: | |
719 | execute = !ctx->ctx->cs_equal; | |
720 | break; | |
721 | } | |
722 | if (arg != ATOM_COND_ALWAYS) | |
723 | SDEBUG(" taken: %s\n", execute ? "yes" : "no"); | |
724 | SDEBUG(" target: 0x%04X\n", target); | |
725 | if (execute) { | |
726 | if (ctx->last_jump == (ctx->start + target)) { | |
727 | cjiffies = jiffies; | |
728 | if (time_after(cjiffies, ctx->last_jump_jiffies)) { | |
729 | cjiffies -= ctx->last_jump_jiffies; | |
730 | if ((jiffies_to_msecs(cjiffies) > 5000)) { | |
731 | DRM_ERROR("atombios stuck in loop for more than 5secs aborting\n"); | |
732 | ctx->abort = true; | |
733 | } | |
734 | } else { | |
735 | /* jiffies wrap around we will just wait a little longer */ | |
736 | ctx->last_jump_jiffies = jiffies; | |
737 | } | |
738 | } else { | |
739 | ctx->last_jump = ctx->start + target; | |
740 | ctx->last_jump_jiffies = jiffies; | |
741 | } | |
742 | *ptr = ctx->start + target; | |
743 | } | |
744 | } | |
745 | ||
746 | static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg) | |
747 | { | |
748 | uint8_t attr = U8((*ptr)++); | |
749 | uint32_t dst, mask, src, saved; | |
750 | int dptr = *ptr; | |
751 | SDEBUG(" dst: "); | |
752 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
753 | mask = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr); | |
754 | SDEBUG(" mask: 0x%08x", mask); | |
755 | SDEBUG(" src: "); | |
756 | src = atom_get_src(ctx, attr, ptr); | |
757 | dst &= mask; | |
758 | dst |= src; | |
759 | SDEBUG(" dst: "); | |
760 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
761 | } | |
762 | ||
763 | static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg) | |
764 | { | |
765 | uint8_t attr = U8((*ptr)++); | |
766 | uint32_t src, saved; | |
767 | int dptr = *ptr; | |
768 | if (((attr >> 3) & 7) != ATOM_SRC_DWORD) | |
769 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
770 | else { | |
771 | atom_skip_dst(ctx, arg, attr, ptr); | |
772 | saved = 0xCDCDCDCD; | |
773 | } | |
774 | SDEBUG(" src: "); | |
775 | src = atom_get_src(ctx, attr, ptr); | |
776 | SDEBUG(" dst: "); | |
777 | atom_put_dst(ctx, arg, attr, &dptr, src, saved); | |
778 | } | |
779 | ||
780 | static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg) | |
781 | { | |
782 | uint8_t attr = U8((*ptr)++); | |
783 | uint32_t dst, src; | |
784 | SDEBUG(" src1: "); | |
785 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
786 | SDEBUG(" src2: "); | |
787 | src = atom_get_src(ctx, attr, ptr); | |
788 | ctx->ctx->divmul[0] = dst * src; | |
789 | } | |
790 | ||
791 | static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg) | |
792 | { | |
793 | /* nothing */ | |
794 | } | |
795 | ||
796 | static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg) | |
797 | { | |
798 | uint8_t attr = U8((*ptr)++); | |
799 | uint32_t dst, src, saved; | |
800 | int dptr = *ptr; | |
801 | SDEBUG(" dst: "); | |
802 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
803 | SDEBUG(" src: "); | |
804 | src = atom_get_src(ctx, attr, ptr); | |
805 | dst |= src; | |
806 | SDEBUG(" dst: "); | |
807 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
808 | } | |
809 | ||
810 | static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg) | |
811 | { | |
812 | uint8_t val = U8((*ptr)++); | |
813 | SDEBUG("POST card output: 0x%02X\n", val); | |
814 | } | |
815 | ||
816 | static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg) | |
817 | { | |
818 | printk(KERN_INFO "unimplemented!\n"); | |
819 | } | |
820 | ||
821 | static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg) | |
822 | { | |
823 | printk(KERN_INFO "unimplemented!\n"); | |
824 | } | |
825 | ||
826 | static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg) | |
827 | { | |
828 | printk(KERN_INFO "unimplemented!\n"); | |
829 | } | |
830 | ||
831 | static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg) | |
832 | { | |
833 | int idx = U8(*ptr); | |
834 | (*ptr)++; | |
835 | SDEBUG(" block: %d\n", idx); | |
836 | if (!idx) | |
837 | ctx->ctx->data_block = 0; | |
838 | else if (idx == 255) | |
839 | ctx->ctx->data_block = ctx->start; | |
840 | else | |
841 | ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx); | |
842 | SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block); | |
843 | } | |
844 | ||
845 | static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg) | |
846 | { | |
847 | uint8_t attr = U8((*ptr)++); | |
848 | SDEBUG(" fb_base: "); | |
849 | ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr); | |
850 | } | |
851 | ||
852 | static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg) | |
853 | { | |
854 | int port; | |
855 | switch (arg) { | |
856 | case ATOM_PORT_ATI: | |
857 | port = U16(*ptr); | |
858 | if (port < ATOM_IO_NAMES_CNT) | |
859 | SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]); | |
860 | else | |
861 | SDEBUG(" port: %d\n", port); | |
862 | if (!port) | |
863 | ctx->ctx->io_mode = ATOM_IO_MM; | |
864 | else | |
865 | ctx->ctx->io_mode = ATOM_IO_IIO | port; | |
866 | (*ptr) += 2; | |
867 | break; | |
868 | case ATOM_PORT_PCI: | |
869 | ctx->ctx->io_mode = ATOM_IO_PCI; | |
870 | (*ptr)++; | |
871 | break; | |
872 | case ATOM_PORT_SYSIO: | |
873 | ctx->ctx->io_mode = ATOM_IO_SYSIO; | |
874 | (*ptr)++; | |
875 | break; | |
876 | } | |
877 | } | |
878 | ||
879 | static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg) | |
880 | { | |
881 | ctx->ctx->reg_block = U16(*ptr); | |
882 | (*ptr) += 2; | |
883 | SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block); | |
884 | } | |
885 | ||
886 | static void atom_op_shift_left(atom_exec_context *ctx, int *ptr, int arg) | |
887 | { | |
888 | uint8_t attr = U8((*ptr)++), shift; | |
889 | uint32_t saved, dst; | |
890 | int dptr = *ptr; | |
891 | attr &= 0x38; | |
892 | attr |= atom_def_dst[attr >> 3] << 6; | |
893 | SDEBUG(" dst: "); | |
894 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
895 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
896 | SDEBUG(" shift: %d\n", shift); | |
897 | dst <<= shift; | |
898 | SDEBUG(" dst: "); | |
899 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
900 | } | |
901 | ||
902 | static void atom_op_shift_right(atom_exec_context *ctx, int *ptr, int arg) | |
903 | { | |
904 | uint8_t attr = U8((*ptr)++), shift; | |
905 | uint32_t saved, dst; | |
906 | int dptr = *ptr; | |
907 | attr &= 0x38; | |
908 | attr |= atom_def_dst[attr >> 3] << 6; | |
909 | SDEBUG(" dst: "); | |
910 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
911 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
912 | SDEBUG(" shift: %d\n", shift); | |
913 | dst >>= shift; | |
914 | SDEBUG(" dst: "); | |
915 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
916 | } | |
917 | ||
918 | static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg) | |
919 | { | |
920 | uint8_t attr = U8((*ptr)++), shift; | |
921 | uint32_t saved, dst; | |
922 | int dptr = *ptr; | |
923 | uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; | |
924 | SDEBUG(" dst: "); | |
925 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
926 | /* op needs to full dst value */ | |
927 | dst = saved; | |
928 | shift = atom_get_src(ctx, attr, ptr); | |
929 | SDEBUG(" shift: %d\n", shift); | |
930 | dst <<= shift; | |
931 | dst &= atom_arg_mask[dst_align]; | |
932 | dst >>= atom_arg_shift[dst_align]; | |
933 | SDEBUG(" dst: "); | |
934 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
935 | } | |
936 | ||
937 | static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg) | |
938 | { | |
939 | uint8_t attr = U8((*ptr)++), shift; | |
940 | uint32_t saved, dst; | |
941 | int dptr = *ptr; | |
942 | uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; | |
943 | SDEBUG(" dst: "); | |
944 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
945 | /* op needs to full dst value */ | |
946 | dst = saved; | |
947 | shift = atom_get_src(ctx, attr, ptr); | |
948 | SDEBUG(" shift: %d\n", shift); | |
949 | dst >>= shift; | |
950 | dst &= atom_arg_mask[dst_align]; | |
951 | dst >>= atom_arg_shift[dst_align]; | |
952 | SDEBUG(" dst: "); | |
953 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
954 | } | |
955 | ||
956 | static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg) | |
957 | { | |
958 | uint8_t attr = U8((*ptr)++); | |
959 | uint32_t dst, src, saved; | |
960 | int dptr = *ptr; | |
961 | SDEBUG(" dst: "); | |
962 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
963 | SDEBUG(" src: "); | |
964 | src = atom_get_src(ctx, attr, ptr); | |
965 | dst -= src; | |
966 | SDEBUG(" dst: "); | |
967 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
968 | } | |
969 | ||
970 | static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg) | |
971 | { | |
972 | uint8_t attr = U8((*ptr)++); | |
973 | uint32_t src, val, target; | |
974 | SDEBUG(" switch: "); | |
975 | src = atom_get_src(ctx, attr, ptr); | |
976 | while (U16(*ptr) != ATOM_CASE_END) | |
977 | if (U8(*ptr) == ATOM_CASE_MAGIC) { | |
978 | (*ptr)++; | |
979 | SDEBUG(" case: "); | |
980 | val = | |
981 | atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM, | |
982 | ptr); | |
983 | target = U16(*ptr); | |
984 | if (val == src) { | |
985 | SDEBUG(" target: %04X\n", target); | |
986 | *ptr = ctx->start + target; | |
987 | return; | |
988 | } | |
989 | (*ptr) += 2; | |
990 | } else { | |
991 | printk(KERN_INFO "Bad case.\n"); | |
992 | return; | |
993 | } | |
994 | (*ptr) += 2; | |
995 | } | |
996 | ||
997 | static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg) | |
998 | { | |
999 | uint8_t attr = U8((*ptr)++); | |
1000 | uint32_t dst, src; | |
1001 | SDEBUG(" src1: "); | |
1002 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
1003 | SDEBUG(" src2: "); | |
1004 | src = atom_get_src(ctx, attr, ptr); | |
1005 | ctx->ctx->cs_equal = ((dst & src) == 0); | |
1006 | SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE"); | |
1007 | } | |
1008 | ||
1009 | static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg) | |
1010 | { | |
1011 | uint8_t attr = U8((*ptr)++); | |
1012 | uint32_t dst, src, saved; | |
1013 | int dptr = *ptr; | |
1014 | SDEBUG(" dst: "); | |
1015 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
1016 | SDEBUG(" src: "); | |
1017 | src = atom_get_src(ctx, attr, ptr); | |
1018 | dst ^= src; | |
1019 | SDEBUG(" dst: "); | |
1020 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
1021 | } | |
1022 | ||
1023 | static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg) | |
1024 | { | |
1025 | printk(KERN_INFO "unimplemented!\n"); | |
1026 | } | |
1027 | ||
1028 | static struct { | |
1029 | void (*func) (atom_exec_context *, int *, int); | |
1030 | int arg; | |
1031 | } opcode_table[ATOM_OP_CNT] = { | |
1032 | { | |
1033 | NULL, 0}, { | |
1034 | atom_op_move, ATOM_ARG_REG}, { | |
1035 | atom_op_move, ATOM_ARG_PS}, { | |
1036 | atom_op_move, ATOM_ARG_WS}, { | |
1037 | atom_op_move, ATOM_ARG_FB}, { | |
1038 | atom_op_move, ATOM_ARG_PLL}, { | |
1039 | atom_op_move, ATOM_ARG_MC}, { | |
1040 | atom_op_and, ATOM_ARG_REG}, { | |
1041 | atom_op_and, ATOM_ARG_PS}, { | |
1042 | atom_op_and, ATOM_ARG_WS}, { | |
1043 | atom_op_and, ATOM_ARG_FB}, { | |
1044 | atom_op_and, ATOM_ARG_PLL}, { | |
1045 | atom_op_and, ATOM_ARG_MC}, { | |
1046 | atom_op_or, ATOM_ARG_REG}, { | |
1047 | atom_op_or, ATOM_ARG_PS}, { | |
1048 | atom_op_or, ATOM_ARG_WS}, { | |
1049 | atom_op_or, ATOM_ARG_FB}, { | |
1050 | atom_op_or, ATOM_ARG_PLL}, { | |
1051 | atom_op_or, ATOM_ARG_MC}, { | |
1052 | atom_op_shift_left, ATOM_ARG_REG}, { | |
1053 | atom_op_shift_left, ATOM_ARG_PS}, { | |
1054 | atom_op_shift_left, ATOM_ARG_WS}, { | |
1055 | atom_op_shift_left, ATOM_ARG_FB}, { | |
1056 | atom_op_shift_left, ATOM_ARG_PLL}, { | |
1057 | atom_op_shift_left, ATOM_ARG_MC}, { | |
1058 | atom_op_shift_right, ATOM_ARG_REG}, { | |
1059 | atom_op_shift_right, ATOM_ARG_PS}, { | |
1060 | atom_op_shift_right, ATOM_ARG_WS}, { | |
1061 | atom_op_shift_right, ATOM_ARG_FB}, { | |
1062 | atom_op_shift_right, ATOM_ARG_PLL}, { | |
1063 | atom_op_shift_right, ATOM_ARG_MC}, { | |
1064 | atom_op_mul, ATOM_ARG_REG}, { | |
1065 | atom_op_mul, ATOM_ARG_PS}, { | |
1066 | atom_op_mul, ATOM_ARG_WS}, { | |
1067 | atom_op_mul, ATOM_ARG_FB}, { | |
1068 | atom_op_mul, ATOM_ARG_PLL}, { | |
1069 | atom_op_mul, ATOM_ARG_MC}, { | |
1070 | atom_op_div, ATOM_ARG_REG}, { | |
1071 | atom_op_div, ATOM_ARG_PS}, { | |
1072 | atom_op_div, ATOM_ARG_WS}, { | |
1073 | atom_op_div, ATOM_ARG_FB}, { | |
1074 | atom_op_div, ATOM_ARG_PLL}, { | |
1075 | atom_op_div, ATOM_ARG_MC}, { | |
1076 | atom_op_add, ATOM_ARG_REG}, { | |
1077 | atom_op_add, ATOM_ARG_PS}, { | |
1078 | atom_op_add, ATOM_ARG_WS}, { | |
1079 | atom_op_add, ATOM_ARG_FB}, { | |
1080 | atom_op_add, ATOM_ARG_PLL}, { | |
1081 | atom_op_add, ATOM_ARG_MC}, { | |
1082 | atom_op_sub, ATOM_ARG_REG}, { | |
1083 | atom_op_sub, ATOM_ARG_PS}, { | |
1084 | atom_op_sub, ATOM_ARG_WS}, { | |
1085 | atom_op_sub, ATOM_ARG_FB}, { | |
1086 | atom_op_sub, ATOM_ARG_PLL}, { | |
1087 | atom_op_sub, ATOM_ARG_MC}, { | |
1088 | atom_op_setport, ATOM_PORT_ATI}, { | |
1089 | atom_op_setport, ATOM_PORT_PCI}, { | |
1090 | atom_op_setport, ATOM_PORT_SYSIO}, { | |
1091 | atom_op_setregblock, 0}, { | |
1092 | atom_op_setfbbase, 0}, { | |
1093 | atom_op_compare, ATOM_ARG_REG}, { | |
1094 | atom_op_compare, ATOM_ARG_PS}, { | |
1095 | atom_op_compare, ATOM_ARG_WS}, { | |
1096 | atom_op_compare, ATOM_ARG_FB}, { | |
1097 | atom_op_compare, ATOM_ARG_PLL}, { | |
1098 | atom_op_compare, ATOM_ARG_MC}, { | |
1099 | atom_op_switch, 0}, { | |
1100 | atom_op_jump, ATOM_COND_ALWAYS}, { | |
1101 | atom_op_jump, ATOM_COND_EQUAL}, { | |
1102 | atom_op_jump, ATOM_COND_BELOW}, { | |
1103 | atom_op_jump, ATOM_COND_ABOVE}, { | |
1104 | atom_op_jump, ATOM_COND_BELOWOREQUAL}, { | |
1105 | atom_op_jump, ATOM_COND_ABOVEOREQUAL}, { | |
1106 | atom_op_jump, ATOM_COND_NOTEQUAL}, { | |
1107 | atom_op_test, ATOM_ARG_REG}, { | |
1108 | atom_op_test, ATOM_ARG_PS}, { | |
1109 | atom_op_test, ATOM_ARG_WS}, { | |
1110 | atom_op_test, ATOM_ARG_FB}, { | |
1111 | atom_op_test, ATOM_ARG_PLL}, { | |
1112 | atom_op_test, ATOM_ARG_MC}, { | |
1113 | atom_op_delay, ATOM_UNIT_MILLISEC}, { | |
1114 | atom_op_delay, ATOM_UNIT_MICROSEC}, { | |
1115 | atom_op_calltable, 0}, { | |
1116 | atom_op_repeat, 0}, { | |
1117 | atom_op_clear, ATOM_ARG_REG}, { | |
1118 | atom_op_clear, ATOM_ARG_PS}, { | |
1119 | atom_op_clear, ATOM_ARG_WS}, { | |
1120 | atom_op_clear, ATOM_ARG_FB}, { | |
1121 | atom_op_clear, ATOM_ARG_PLL}, { | |
1122 | atom_op_clear, ATOM_ARG_MC}, { | |
1123 | atom_op_nop, 0}, { | |
1124 | atom_op_eot, 0}, { | |
1125 | atom_op_mask, ATOM_ARG_REG}, { | |
1126 | atom_op_mask, ATOM_ARG_PS}, { | |
1127 | atom_op_mask, ATOM_ARG_WS}, { | |
1128 | atom_op_mask, ATOM_ARG_FB}, { | |
1129 | atom_op_mask, ATOM_ARG_PLL}, { | |
1130 | atom_op_mask, ATOM_ARG_MC}, { | |
1131 | atom_op_postcard, 0}, { | |
1132 | atom_op_beep, 0}, { | |
1133 | atom_op_savereg, 0}, { | |
1134 | atom_op_restorereg, 0}, { | |
1135 | atom_op_setdatablock, 0}, { | |
1136 | atom_op_xor, ATOM_ARG_REG}, { | |
1137 | atom_op_xor, ATOM_ARG_PS}, { | |
1138 | atom_op_xor, ATOM_ARG_WS}, { | |
1139 | atom_op_xor, ATOM_ARG_FB}, { | |
1140 | atom_op_xor, ATOM_ARG_PLL}, { | |
1141 | atom_op_xor, ATOM_ARG_MC}, { | |
1142 | atom_op_shl, ATOM_ARG_REG}, { | |
1143 | atom_op_shl, ATOM_ARG_PS}, { | |
1144 | atom_op_shl, ATOM_ARG_WS}, { | |
1145 | atom_op_shl, ATOM_ARG_FB}, { | |
1146 | atom_op_shl, ATOM_ARG_PLL}, { | |
1147 | atom_op_shl, ATOM_ARG_MC}, { | |
1148 | atom_op_shr, ATOM_ARG_REG}, { | |
1149 | atom_op_shr, ATOM_ARG_PS}, { | |
1150 | atom_op_shr, ATOM_ARG_WS}, { | |
1151 | atom_op_shr, ATOM_ARG_FB}, { | |
1152 | atom_op_shr, ATOM_ARG_PLL}, { | |
1153 | atom_op_shr, ATOM_ARG_MC}, { | |
1154 | atom_op_debug, 0},}; | |
1155 | ||
1156 | static int amdgpu_atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params) | |
1157 | { | |
1158 | int base = CU16(ctx->cmd_table + 4 + 2 * index); | |
1159 | int len, ws, ps, ptr; | |
1160 | unsigned char op; | |
1161 | atom_exec_context ectx; | |
1162 | int ret = 0; | |
1163 | ||
1164 | if (!base) | |
1165 | return -EINVAL; | |
1166 | ||
1167 | len = CU16(base + ATOM_CT_SIZE_PTR); | |
1168 | ws = CU8(base + ATOM_CT_WS_PTR); | |
1169 | ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK; | |
1170 | ptr = base + ATOM_CT_CODE_PTR; | |
1171 | ||
1172 | SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps); | |
1173 | ||
1174 | ectx.ctx = ctx; | |
1175 | ectx.ps_shift = ps / 4; | |
1176 | ectx.start = base; | |
1177 | ectx.ps = params; | |
1178 | ectx.abort = false; | |
1179 | ectx.last_jump = 0; | |
1180 | if (ws) | |
1181 | ectx.ws = kzalloc(4 * ws, GFP_KERNEL); | |
1182 | else | |
1183 | ectx.ws = NULL; | |
1184 | ||
1185 | debug_depth++; | |
1186 | while (1) { | |
1187 | op = CU8(ptr++); | |
1188 | if (op < ATOM_OP_NAMES_CNT) | |
1189 | SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1); | |
1190 | else | |
1191 | SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1); | |
1192 | if (ectx.abort) { | |
1193 | DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n", | |
1194 | base, len, ws, ps, ptr - 1); | |
1195 | ret = -EINVAL; | |
1196 | goto free; | |
1197 | } | |
1198 | ||
1199 | if (op < ATOM_OP_CNT && op > 0) | |
1200 | opcode_table[op].func(&ectx, &ptr, | |
1201 | opcode_table[op].arg); | |
1202 | else | |
1203 | break; | |
1204 | ||
1205 | if (op == ATOM_OP_EOT) | |
1206 | break; | |
1207 | } | |
1208 | debug_depth--; | |
1209 | SDEBUG("<<\n"); | |
1210 | ||
1211 | free: | |
1212 | if (ws) | |
1213 | kfree(ectx.ws); | |
1214 | return ret; | |
1215 | } | |
1216 | ||
1217 | int amdgpu_atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) | |
1218 | { | |
1219 | int r; | |
1220 | ||
1221 | mutex_lock(&ctx->mutex); | |
1222 | /* reset data block */ | |
1223 | ctx->data_block = 0; | |
1224 | /* reset reg block */ | |
1225 | ctx->reg_block = 0; | |
1226 | /* reset fb window */ | |
1227 | ctx->fb_base = 0; | |
1228 | /* reset io mode */ | |
1229 | ctx->io_mode = ATOM_IO_MM; | |
1230 | /* reset divmul */ | |
1231 | ctx->divmul[0] = 0; | |
1232 | ctx->divmul[1] = 0; | |
1233 | r = amdgpu_atom_execute_table_locked(ctx, index, params); | |
1234 | mutex_unlock(&ctx->mutex); | |
1235 | return r; | |
1236 | } | |
1237 | ||
1238 | static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 }; | |
1239 | ||
1240 | static void atom_index_iio(struct atom_context *ctx, int base) | |
1241 | { | |
1242 | ctx->iio = kzalloc(2 * 256, GFP_KERNEL); | |
1243 | if (!ctx->iio) | |
1244 | return; | |
1245 | while (CU8(base) == ATOM_IIO_START) { | |
1246 | ctx->iio[CU8(base + 1)] = base + 2; | |
1247 | base += 2; | |
1248 | while (CU8(base) != ATOM_IIO_END) | |
1249 | base += atom_iio_len[CU8(base)]; | |
1250 | base += 3; | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios) | |
1255 | { | |
1256 | int base; | |
1257 | struct atom_context *ctx = | |
1258 | kzalloc(sizeof(struct atom_context), GFP_KERNEL); | |
1259 | char *str; | |
1260 | char name[512]; | |
1261 | int i; | |
1262 | ||
1263 | if (!ctx) | |
1264 | return NULL; | |
1265 | ||
1266 | ctx->card = card; | |
1267 | ctx->bios = bios; | |
1268 | ||
1269 | if (CU16(0) != ATOM_BIOS_MAGIC) { | |
1270 | printk(KERN_INFO "Invalid BIOS magic.\n"); | |
1271 | kfree(ctx); | |
1272 | return NULL; | |
1273 | } | |
1274 | if (strncmp | |
1275 | (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC, | |
1276 | strlen(ATOM_ATI_MAGIC))) { | |
1277 | printk(KERN_INFO "Invalid ATI magic.\n"); | |
1278 | kfree(ctx); | |
1279 | return NULL; | |
1280 | } | |
1281 | ||
1282 | base = CU16(ATOM_ROM_TABLE_PTR); | |
1283 | if (strncmp | |
1284 | (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC, | |
1285 | strlen(ATOM_ROM_MAGIC))) { | |
1286 | printk(KERN_INFO "Invalid ATOM magic.\n"); | |
1287 | kfree(ctx); | |
1288 | return NULL; | |
1289 | } | |
1290 | ||
1291 | ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR); | |
1292 | ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR); | |
1293 | atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4); | |
1294 | if (!ctx->iio) { | |
1295 | amdgpu_atom_destroy(ctx); | |
1296 | return NULL; | |
1297 | } | |
1298 | ||
1299 | str = CSTR(CU16(base + ATOM_ROM_MSG_PTR)); | |
1300 | while (*str && ((*str == '\n') || (*str == '\r'))) | |
1301 | str++; | |
1302 | /* name string isn't always 0 terminated */ | |
1303 | for (i = 0; i < 511; i++) { | |
1304 | name[i] = str[i]; | |
1305 | if (name[i] < '.' || name[i] > 'z') { | |
1306 | name[i] = 0; | |
1307 | break; | |
1308 | } | |
1309 | } | |
1310 | printk(KERN_INFO "ATOM BIOS: %s\n", name); | |
1311 | ||
1312 | return ctx; | |
1313 | } | |
1314 | ||
1315 | int amdgpu_atom_asic_init(struct atom_context *ctx) | |
1316 | { | |
1317 | int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR); | |
1318 | uint32_t ps[16]; | |
1319 | int ret; | |
1320 | ||
1321 | memset(ps, 0, 64); | |
1322 | ||
1323 | ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR)); | |
1324 | ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR)); | |
1325 | if (!ps[0] || !ps[1]) | |
1326 | return 1; | |
1327 | ||
1328 | if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT)) | |
1329 | return 1; | |
1330 | ret = amdgpu_atom_execute_table(ctx, ATOM_CMD_INIT, ps); | |
1331 | if (ret) | |
1332 | return ret; | |
1333 | ||
1334 | memset(ps, 0, 64); | |
1335 | ||
1336 | return ret; | |
1337 | } | |
1338 | ||
1339 | void amdgpu_atom_destroy(struct atom_context *ctx) | |
1340 | { | |
1341 | kfree(ctx->iio); | |
1342 | kfree(ctx); | |
1343 | } | |
1344 | ||
1345 | bool amdgpu_atom_parse_data_header(struct atom_context *ctx, int index, | |
1346 | uint16_t * size, uint8_t * frev, uint8_t * crev, | |
1347 | uint16_t * data_start) | |
1348 | { | |
1349 | int offset = index * 2 + 4; | |
1350 | int idx = CU16(ctx->data_table + offset); | |
1351 | u16 *mdt = (u16 *)(ctx->bios + ctx->data_table + 4); | |
1352 | ||
1353 | if (!mdt[index]) | |
1354 | return false; | |
1355 | ||
1356 | if (size) | |
1357 | *size = CU16(idx); | |
1358 | if (frev) | |
1359 | *frev = CU8(idx + 2); | |
1360 | if (crev) | |
1361 | *crev = CU8(idx + 3); | |
1362 | *data_start = idx; | |
1363 | return true; | |
1364 | } | |
1365 | ||
1366 | bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev, | |
1367 | uint8_t * crev) | |
1368 | { | |
1369 | int offset = index * 2 + 4; | |
1370 | int idx = CU16(ctx->cmd_table + offset); | |
1371 | u16 *mct = (u16 *)(ctx->bios + ctx->cmd_table + 4); | |
1372 | ||
1373 | if (!mct[index]) | |
1374 | return false; | |
1375 | ||
1376 | if (frev) | |
1377 | *frev = CU8(idx + 2); | |
1378 | if (crev) | |
1379 | *crev = CU8(idx + 3); | |
1380 | return true; | |
1381 | } | |
1382 | ||
1383 | int amdgpu_atom_allocate_fb_scratch(struct atom_context *ctx) | |
1384 | { | |
1385 | int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware); | |
1386 | uint16_t data_offset; | |
1387 | int usage_bytes = 0; | |
1388 | struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage; | |
1389 | ||
1390 | if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { | |
1391 | firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); | |
1392 | ||
1393 | DRM_DEBUG("atom firmware requested %08x %dkb\n", | |
1394 | le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware), | |
1395 | le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb)); | |
1396 | ||
1397 | usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024; | |
1398 | } | |
1399 | ctx->scratch_size_bytes = 0; | |
1400 | if (usage_bytes == 0) | |
1401 | usage_bytes = 20 * 1024; | |
1402 | /* allocate some scratch memory */ | |
1403 | ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); | |
1404 | if (!ctx->scratch) | |
1405 | return -ENOMEM; | |
1406 | ctx->scratch_size_bytes = usage_bytes; | |
1407 | return 0; | |
1408 | } |