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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> | |
5a0e3ad6 | 27 | #include <linux/slab.h> |
ce36f00d | 28 | #include <asm/unaligned.h> |
771fe6b9 JG |
29 | |
30 | #define ATOM_DEBUG | |
31 | ||
32 | #include "atom.h" | |
33 | #include "atom-names.h" | |
34 | #include "atom-bits.h" | |
35 | ||
36 | #define ATOM_COND_ABOVE 0 | |
37 | #define ATOM_COND_ABOVEOREQUAL 1 | |
38 | #define ATOM_COND_ALWAYS 2 | |
39 | #define ATOM_COND_BELOW 3 | |
40 | #define ATOM_COND_BELOWOREQUAL 4 | |
41 | #define ATOM_COND_EQUAL 5 | |
42 | #define ATOM_COND_NOTEQUAL 6 | |
43 | ||
44 | #define ATOM_PORT_ATI 0 | |
45 | #define ATOM_PORT_PCI 1 | |
46 | #define ATOM_PORT_SYSIO 2 | |
47 | ||
48 | #define ATOM_UNIT_MICROSEC 0 | |
49 | #define ATOM_UNIT_MILLISEC 1 | |
50 | ||
51 | #define PLL_INDEX 2 | |
52 | #define PLL_DATA 3 | |
53 | ||
54 | typedef struct { | |
55 | struct atom_context *ctx; | |
771fe6b9 JG |
56 | uint32_t *ps, *ws; |
57 | int ps_shift; | |
58 | uint16_t start; | |
c21b0fe6 JG |
59 | unsigned last_jump; |
60 | unsigned long last_jump_jiffies; | |
61 | bool abort; | |
771fe6b9 JG |
62 | } atom_exec_context; |
63 | ||
64 | int atom_debug = 0; | |
c21b0fe6 JG |
65 | static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params); |
66 | int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params); | |
771fe6b9 JG |
67 | |
68 | static uint32_t atom_arg_mask[8] = | |
69 | { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000, | |
70 | 0xFF000000 }; | |
71 | static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 }; | |
72 | ||
73 | static int atom_dst_to_src[8][4] = { | |
74 | /* translate destination alignment field to the source alignment encoding */ | |
75 | {0, 0, 0, 0}, | |
76 | {1, 2, 3, 0}, | |
77 | {1, 2, 3, 0}, | |
78 | {1, 2, 3, 0}, | |
79 | {4, 5, 6, 7}, | |
80 | {4, 5, 6, 7}, | |
81 | {4, 5, 6, 7}, | |
82 | {4, 5, 6, 7}, | |
83 | }; | |
84 | static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 }; | |
85 | ||
86 | static int debug_depth = 0; | |
87 | #ifdef ATOM_DEBUG | |
88 | static void debug_print_spaces(int n) | |
89 | { | |
90 | while (n--) | |
91 | printk(" "); | |
92 | } | |
93 | ||
94 | #define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0) | |
95 | #define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0) | |
96 | #else | |
97 | #define DEBUG(...) do { } while (0) | |
98 | #define SDEBUG(...) do { } while (0) | |
99 | #endif | |
100 | ||
101 | static uint32_t atom_iio_execute(struct atom_context *ctx, int base, | |
102 | uint32_t index, uint32_t data) | |
103 | { | |
104 | uint32_t temp = 0xCDCDCDCD; | |
105 | while (1) | |
106 | switch (CU8(base)) { | |
107 | case ATOM_IIO_NOP: | |
108 | base++; | |
109 | break; | |
110 | case ATOM_IIO_READ: | |
111 | temp = ctx->card->reg_read(ctx->card, CU16(base + 1)); | |
112 | base += 3; | |
113 | break; | |
114 | case ATOM_IIO_WRITE: | |
23115b05 | 115 | (void)ctx->card->reg_read(ctx->card, CU16(base + 1)); |
771fe6b9 JG |
116 | ctx->card->reg_write(ctx->card, CU16(base + 1), temp); |
117 | base += 3; | |
118 | break; | |
119 | case ATOM_IIO_CLEAR: | |
120 | temp &= | |
121 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
122 | CU8(base + 2)); | |
123 | base += 3; | |
124 | break; | |
125 | case ATOM_IIO_SET: | |
126 | temp |= | |
127 | (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base + | |
128 | 2); | |
129 | base += 3; | |
130 | break; | |
131 | case ATOM_IIO_MOVE_INDEX: | |
132 | temp &= | |
133 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
134 | CU8(base + 2)); | |
135 | temp |= | |
136 | ((index >> CU8(base + 2)) & | |
137 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
138 | 3); | |
139 | base += 4; | |
140 | break; | |
141 | case ATOM_IIO_MOVE_DATA: | |
142 | temp &= | |
143 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
144 | CU8(base + 2)); | |
145 | temp |= | |
146 | ((data >> CU8(base + 2)) & | |
147 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
148 | 3); | |
149 | base += 4; | |
150 | break; | |
151 | case ATOM_IIO_MOVE_ATTR: | |
152 | temp &= | |
153 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
154 | CU8(base + 2)); | |
155 | temp |= | |
156 | ((ctx-> | |
157 | io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 - | |
158 | CU8 | |
159 | (base | |
160 | + | |
161 | 1)))) | |
162 | << CU8(base + 3); | |
163 | base += 4; | |
164 | break; | |
165 | case ATOM_IIO_END: | |
166 | return temp; | |
167 | default: | |
168 | printk(KERN_INFO "Unknown IIO opcode.\n"); | |
169 | return 0; | |
170 | } | |
171 | } | |
172 | ||
173 | static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, | |
174 | int *ptr, uint32_t *saved, int print) | |
175 | { | |
176 | uint32_t idx, val = 0xCDCDCDCD, align, arg; | |
177 | struct atom_context *gctx = ctx->ctx; | |
178 | arg = attr & 7; | |
179 | align = (attr >> 3) & 7; | |
180 | switch (arg) { | |
181 | case ATOM_ARG_REG: | |
182 | idx = U16(*ptr); | |
183 | (*ptr) += 2; | |
184 | if (print) | |
185 | DEBUG("REG[0x%04X]", idx); | |
186 | idx += gctx->reg_block; | |
187 | switch (gctx->io_mode) { | |
188 | case ATOM_IO_MM: | |
189 | val = gctx->card->reg_read(gctx->card, idx); | |
190 | break; | |
191 | case ATOM_IO_PCI: | |
192 | printk(KERN_INFO | |
193 | "PCI registers are not implemented.\n"); | |
194 | return 0; | |
195 | case ATOM_IO_SYSIO: | |
196 | printk(KERN_INFO | |
197 | "SYSIO registers are not implemented.\n"); | |
198 | return 0; | |
199 | default: | |
200 | if (!(gctx->io_mode & 0x80)) { | |
201 | printk(KERN_INFO "Bad IO mode.\n"); | |
202 | return 0; | |
203 | } | |
204 | if (!gctx->iio[gctx->io_mode & 0x7F]) { | |
205 | printk(KERN_INFO | |
206 | "Undefined indirect IO read method %d.\n", | |
207 | gctx->io_mode & 0x7F); | |
208 | return 0; | |
209 | } | |
210 | val = | |
211 | atom_iio_execute(gctx, | |
212 | gctx->iio[gctx->io_mode & 0x7F], | |
213 | idx, 0); | |
214 | } | |
215 | break; | |
216 | case ATOM_ARG_PS: | |
217 | idx = U8(*ptr); | |
218 | (*ptr)++; | |
ce36f00d MT |
219 | /* get_unaligned_le32 avoids unaligned accesses from atombios |
220 | * tables, noticed on a DEC Alpha. */ | |
221 | val = get_unaligned_le32((u32 *)&ctx->ps[idx]); | |
771fe6b9 JG |
222 | if (print) |
223 | DEBUG("PS[0x%02X,0x%04X]", idx, val); | |
224 | break; | |
225 | case ATOM_ARG_WS: | |
226 | idx = U8(*ptr); | |
227 | (*ptr)++; | |
228 | if (print) | |
229 | DEBUG("WS[0x%02X]", idx); | |
230 | switch (idx) { | |
231 | case ATOM_WS_QUOTIENT: | |
232 | val = gctx->divmul[0]; | |
233 | break; | |
234 | case ATOM_WS_REMAINDER: | |
235 | val = gctx->divmul[1]; | |
236 | break; | |
237 | case ATOM_WS_DATAPTR: | |
238 | val = gctx->data_block; | |
239 | break; | |
240 | case ATOM_WS_SHIFT: | |
241 | val = gctx->shift; | |
242 | break; | |
243 | case ATOM_WS_OR_MASK: | |
244 | val = 1 << gctx->shift; | |
245 | break; | |
246 | case ATOM_WS_AND_MASK: | |
247 | val = ~(1 << gctx->shift); | |
248 | break; | |
249 | case ATOM_WS_FB_WINDOW: | |
250 | val = gctx->fb_base; | |
251 | break; | |
252 | case ATOM_WS_ATTRIBUTES: | |
253 | val = gctx->io_attr; | |
254 | break; | |
e2f8e870 AD |
255 | case ATOM_WS_REGPTR: |
256 | val = gctx->reg_block; | |
257 | break; | |
771fe6b9 JG |
258 | default: |
259 | val = ctx->ws[idx]; | |
260 | } | |
261 | break; | |
262 | case ATOM_ARG_ID: | |
263 | idx = U16(*ptr); | |
264 | (*ptr) += 2; | |
265 | if (print) { | |
266 | if (gctx->data_block) | |
267 | DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block); | |
268 | else | |
269 | DEBUG("ID[0x%04X]", idx); | |
270 | } | |
271 | val = U32(idx + gctx->data_block); | |
272 | break; | |
273 | case ATOM_ARG_FB: | |
274 | idx = U8(*ptr); | |
275 | (*ptr)++; | |
d904ef9b | 276 | val = gctx->scratch[((gctx->fb_base + idx) / 4)]; |
771fe6b9 JG |
277 | if (print) |
278 | DEBUG("FB[0x%02X]", idx); | |
d904ef9b | 279 | break; |
771fe6b9 JG |
280 | case ATOM_ARG_IMM: |
281 | switch (align) { | |
282 | case ATOM_SRC_DWORD: | |
283 | val = U32(*ptr); | |
284 | (*ptr) += 4; | |
285 | if (print) | |
286 | DEBUG("IMM 0x%08X\n", val); | |
287 | return val; | |
288 | case ATOM_SRC_WORD0: | |
289 | case ATOM_SRC_WORD8: | |
290 | case ATOM_SRC_WORD16: | |
291 | val = U16(*ptr); | |
292 | (*ptr) += 2; | |
293 | if (print) | |
294 | DEBUG("IMM 0x%04X\n", val); | |
295 | return val; | |
296 | case ATOM_SRC_BYTE0: | |
297 | case ATOM_SRC_BYTE8: | |
298 | case ATOM_SRC_BYTE16: | |
299 | case ATOM_SRC_BYTE24: | |
300 | val = U8(*ptr); | |
301 | (*ptr)++; | |
302 | if (print) | |
303 | DEBUG("IMM 0x%02X\n", val); | |
304 | return val; | |
305 | } | |
306 | return 0; | |
307 | case ATOM_ARG_PLL: | |
308 | idx = U8(*ptr); | |
309 | (*ptr)++; | |
310 | if (print) | |
311 | DEBUG("PLL[0x%02X]", idx); | |
312 | val = gctx->card->pll_read(gctx->card, idx); | |
313 | break; | |
314 | case ATOM_ARG_MC: | |
315 | idx = U8(*ptr); | |
316 | (*ptr)++; | |
317 | if (print) | |
318 | DEBUG("MC[0x%02X]", idx); | |
319 | val = gctx->card->mc_read(gctx->card, idx); | |
320 | break; | |
321 | } | |
322 | if (saved) | |
323 | *saved = val; | |
324 | val &= atom_arg_mask[align]; | |
325 | val >>= atom_arg_shift[align]; | |
326 | if (print) | |
327 | switch (align) { | |
328 | case ATOM_SRC_DWORD: | |
329 | DEBUG(".[31:0] -> 0x%08X\n", val); | |
330 | break; | |
331 | case ATOM_SRC_WORD0: | |
332 | DEBUG(".[15:0] -> 0x%04X\n", val); | |
333 | break; | |
334 | case ATOM_SRC_WORD8: | |
335 | DEBUG(".[23:8] -> 0x%04X\n", val); | |
336 | break; | |
337 | case ATOM_SRC_WORD16: | |
338 | DEBUG(".[31:16] -> 0x%04X\n", val); | |
339 | break; | |
340 | case ATOM_SRC_BYTE0: | |
341 | DEBUG(".[7:0] -> 0x%02X\n", val); | |
342 | break; | |
343 | case ATOM_SRC_BYTE8: | |
344 | DEBUG(".[15:8] -> 0x%02X\n", val); | |
345 | break; | |
346 | case ATOM_SRC_BYTE16: | |
347 | DEBUG(".[23:16] -> 0x%02X\n", val); | |
348 | break; | |
349 | case ATOM_SRC_BYTE24: | |
350 | DEBUG(".[31:24] -> 0x%02X\n", val); | |
351 | break; | |
352 | } | |
353 | return val; | |
354 | } | |
355 | ||
356 | static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
357 | { | |
358 | uint32_t align = (attr >> 3) & 7, arg = attr & 7; | |
359 | switch (arg) { | |
360 | case ATOM_ARG_REG: | |
361 | case ATOM_ARG_ID: | |
362 | (*ptr) += 2; | |
363 | break; | |
364 | case ATOM_ARG_PLL: | |
365 | case ATOM_ARG_MC: | |
366 | case ATOM_ARG_PS: | |
367 | case ATOM_ARG_WS: | |
368 | case ATOM_ARG_FB: | |
369 | (*ptr)++; | |
370 | break; | |
371 | case ATOM_ARG_IMM: | |
372 | switch (align) { | |
373 | case ATOM_SRC_DWORD: | |
374 | (*ptr) += 4; | |
375 | return; | |
376 | case ATOM_SRC_WORD0: | |
377 | case ATOM_SRC_WORD8: | |
378 | case ATOM_SRC_WORD16: | |
379 | (*ptr) += 2; | |
380 | return; | |
381 | case ATOM_SRC_BYTE0: | |
382 | case ATOM_SRC_BYTE8: | |
383 | case ATOM_SRC_BYTE16: | |
384 | case ATOM_SRC_BYTE24: | |
385 | (*ptr)++; | |
386 | return; | |
387 | } | |
388 | return; | |
389 | } | |
390 | } | |
391 | ||
392 | static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
393 | { | |
394 | return atom_get_src_int(ctx, attr, ptr, NULL, 1); | |
395 | } | |
396 | ||
9f53e793 AD |
397 | static uint32_t atom_get_src_direct(atom_exec_context *ctx, uint8_t align, int *ptr) |
398 | { | |
399 | uint32_t val = 0xCDCDCDCD; | |
400 | ||
401 | switch (align) { | |
402 | case ATOM_SRC_DWORD: | |
403 | val = U32(*ptr); | |
404 | (*ptr) += 4; | |
405 | break; | |
406 | case ATOM_SRC_WORD0: | |
407 | case ATOM_SRC_WORD8: | |
408 | case ATOM_SRC_WORD16: | |
409 | val = U16(*ptr); | |
410 | (*ptr) += 2; | |
411 | break; | |
412 | case ATOM_SRC_BYTE0: | |
413 | case ATOM_SRC_BYTE8: | |
414 | case ATOM_SRC_BYTE16: | |
415 | case ATOM_SRC_BYTE24: | |
416 | val = U8(*ptr); | |
417 | (*ptr)++; | |
418 | break; | |
419 | } | |
420 | return val; | |
421 | } | |
422 | ||
771fe6b9 JG |
423 | static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr, |
424 | int *ptr, uint32_t *saved, int print) | |
425 | { | |
426 | return atom_get_src_int(ctx, | |
427 | arg | atom_dst_to_src[(attr >> 3) & | |
428 | 7][(attr >> 6) & 3] << 3, | |
429 | ptr, saved, print); | |
430 | } | |
431 | ||
432 | static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr) | |
433 | { | |
434 | atom_skip_src_int(ctx, | |
435 | arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & | |
436 | 3] << 3, ptr); | |
437 | } | |
438 | ||
439 | static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr, | |
440 | int *ptr, uint32_t val, uint32_t saved) | |
441 | { | |
442 | uint32_t align = | |
443 | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val = | |
444 | val, idx; | |
445 | struct atom_context *gctx = ctx->ctx; | |
446 | old_val &= atom_arg_mask[align] >> atom_arg_shift[align]; | |
447 | val <<= atom_arg_shift[align]; | |
448 | val &= atom_arg_mask[align]; | |
449 | saved &= ~atom_arg_mask[align]; | |
450 | val |= saved; | |
451 | switch (arg) { | |
452 | case ATOM_ARG_REG: | |
453 | idx = U16(*ptr); | |
454 | (*ptr) += 2; | |
455 | DEBUG("REG[0x%04X]", idx); | |
456 | idx += gctx->reg_block; | |
457 | switch (gctx->io_mode) { | |
458 | case ATOM_IO_MM: | |
459 | if (idx == 0) | |
460 | gctx->card->reg_write(gctx->card, idx, | |
461 | val << 2); | |
462 | else | |
463 | gctx->card->reg_write(gctx->card, idx, val); | |
464 | break; | |
465 | case ATOM_IO_PCI: | |
466 | printk(KERN_INFO | |
467 | "PCI registers are not implemented.\n"); | |
468 | return; | |
469 | case ATOM_IO_SYSIO: | |
470 | printk(KERN_INFO | |
471 | "SYSIO registers are not implemented.\n"); | |
472 | return; | |
473 | default: | |
474 | if (!(gctx->io_mode & 0x80)) { | |
475 | printk(KERN_INFO "Bad IO mode.\n"); | |
476 | return; | |
477 | } | |
478 | if (!gctx->iio[gctx->io_mode & 0xFF]) { | |
479 | printk(KERN_INFO | |
480 | "Undefined indirect IO write method %d.\n", | |
481 | gctx->io_mode & 0x7F); | |
482 | return; | |
483 | } | |
484 | atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF], | |
485 | idx, val); | |
486 | } | |
487 | break; | |
488 | case ATOM_ARG_PS: | |
489 | idx = U8(*ptr); | |
490 | (*ptr)++; | |
491 | DEBUG("PS[0x%02X]", idx); | |
492 | ctx->ps[idx] = cpu_to_le32(val); | |
493 | break; | |
494 | case ATOM_ARG_WS: | |
495 | idx = U8(*ptr); | |
496 | (*ptr)++; | |
497 | DEBUG("WS[0x%02X]", idx); | |
498 | switch (idx) { | |
499 | case ATOM_WS_QUOTIENT: | |
500 | gctx->divmul[0] = val; | |
501 | break; | |
502 | case ATOM_WS_REMAINDER: | |
503 | gctx->divmul[1] = val; | |
504 | break; | |
505 | case ATOM_WS_DATAPTR: | |
506 | gctx->data_block = val; | |
507 | break; | |
508 | case ATOM_WS_SHIFT: | |
509 | gctx->shift = val; | |
510 | break; | |
511 | case ATOM_WS_OR_MASK: | |
512 | case ATOM_WS_AND_MASK: | |
513 | break; | |
514 | case ATOM_WS_FB_WINDOW: | |
515 | gctx->fb_base = val; | |
516 | break; | |
517 | case ATOM_WS_ATTRIBUTES: | |
518 | gctx->io_attr = val; | |
519 | break; | |
e2f8e870 AD |
520 | case ATOM_WS_REGPTR: |
521 | gctx->reg_block = val; | |
522 | break; | |
771fe6b9 JG |
523 | default: |
524 | ctx->ws[idx] = val; | |
525 | } | |
526 | break; | |
527 | case ATOM_ARG_FB: | |
528 | idx = U8(*ptr); | |
529 | (*ptr)++; | |
d904ef9b | 530 | gctx->scratch[((gctx->fb_base + idx) / 4)] = val; |
771fe6b9 | 531 | DEBUG("FB[0x%02X]", idx); |
d904ef9b | 532 | break; |
771fe6b9 JG |
533 | case ATOM_ARG_PLL: |
534 | idx = U8(*ptr); | |
535 | (*ptr)++; | |
536 | DEBUG("PLL[0x%02X]", idx); | |
537 | gctx->card->pll_write(gctx->card, idx, val); | |
538 | break; | |
539 | case ATOM_ARG_MC: | |
540 | idx = U8(*ptr); | |
541 | (*ptr)++; | |
542 | DEBUG("MC[0x%02X]", idx); | |
543 | gctx->card->mc_write(gctx->card, idx, val); | |
544 | return; | |
545 | } | |
546 | switch (align) { | |
547 | case ATOM_SRC_DWORD: | |
548 | DEBUG(".[31:0] <- 0x%08X\n", old_val); | |
549 | break; | |
550 | case ATOM_SRC_WORD0: | |
551 | DEBUG(".[15:0] <- 0x%04X\n", old_val); | |
552 | break; | |
553 | case ATOM_SRC_WORD8: | |
554 | DEBUG(".[23:8] <- 0x%04X\n", old_val); | |
555 | break; | |
556 | case ATOM_SRC_WORD16: | |
557 | DEBUG(".[31:16] <- 0x%04X\n", old_val); | |
558 | break; | |
559 | case ATOM_SRC_BYTE0: | |
560 | DEBUG(".[7:0] <- 0x%02X\n", old_val); | |
561 | break; | |
562 | case ATOM_SRC_BYTE8: | |
563 | DEBUG(".[15:8] <- 0x%02X\n", old_val); | |
564 | break; | |
565 | case ATOM_SRC_BYTE16: | |
566 | DEBUG(".[23:16] <- 0x%02X\n", old_val); | |
567 | break; | |
568 | case ATOM_SRC_BYTE24: | |
569 | DEBUG(".[31:24] <- 0x%02X\n", old_val); | |
570 | break; | |
571 | } | |
572 | } | |
573 | ||
574 | static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg) | |
575 | { | |
576 | uint8_t attr = U8((*ptr)++); | |
577 | uint32_t dst, src, saved; | |
578 | int dptr = *ptr; | |
579 | SDEBUG(" dst: "); | |
580 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
581 | SDEBUG(" src: "); | |
582 | src = atom_get_src(ctx, attr, ptr); | |
583 | dst += src; | |
584 | SDEBUG(" dst: "); | |
585 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
586 | } | |
587 | ||
588 | static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg) | |
589 | { | |
590 | uint8_t attr = U8((*ptr)++); | |
591 | uint32_t dst, src, saved; | |
592 | int dptr = *ptr; | |
593 | SDEBUG(" dst: "); | |
594 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
595 | SDEBUG(" src: "); | |
596 | src = atom_get_src(ctx, attr, ptr); | |
597 | dst &= src; | |
598 | SDEBUG(" dst: "); | |
599 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
600 | } | |
601 | ||
602 | static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg) | |
603 | { | |
604 | printk("ATOM BIOS beeped!\n"); | |
605 | } | |
606 | ||
607 | static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg) | |
608 | { | |
609 | int idx = U8((*ptr)++); | |
c21b0fe6 JG |
610 | int r = 0; |
611 | ||
771fe6b9 JG |
612 | if (idx < ATOM_TABLE_NAMES_CNT) |
613 | SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]); | |
614 | else | |
615 | SDEBUG(" table: %d\n", idx); | |
616 | if (U16(ctx->ctx->cmd_table + 4 + 2 * idx)) | |
c21b0fe6 JG |
617 | r = atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift); |
618 | if (r) { | |
619 | ctx->abort = true; | |
620 | } | |
771fe6b9 JG |
621 | } |
622 | ||
623 | static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg) | |
624 | { | |
625 | uint8_t attr = U8((*ptr)++); | |
626 | uint32_t saved; | |
627 | int dptr = *ptr; | |
628 | attr &= 0x38; | |
629 | attr |= atom_def_dst[attr >> 3] << 6; | |
630 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
631 | SDEBUG(" dst: "); | |
632 | atom_put_dst(ctx, arg, attr, &dptr, 0, saved); | |
633 | } | |
634 | ||
635 | static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg) | |
636 | { | |
637 | uint8_t attr = U8((*ptr)++); | |
638 | uint32_t dst, src; | |
639 | SDEBUG(" src1: "); | |
640 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
641 | SDEBUG(" src2: "); | |
642 | src = atom_get_src(ctx, attr, ptr); | |
643 | ctx->ctx->cs_equal = (dst == src); | |
644 | ctx->ctx->cs_above = (dst > src); | |
645 | SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE", | |
646 | ctx->ctx->cs_above ? "GT" : "LE"); | |
647 | } | |
648 | ||
649 | static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg) | |
650 | { | |
651 | uint8_t count = U8((*ptr)++); | |
652 | SDEBUG(" count: %d\n", count); | |
653 | if (arg == ATOM_UNIT_MICROSEC) | |
01d45039 | 654 | udelay(count); |
771fe6b9 JG |
655 | else |
656 | schedule_timeout_uninterruptible(msecs_to_jiffies(count)); | |
657 | } | |
658 | ||
659 | static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg) | |
660 | { | |
661 | uint8_t attr = U8((*ptr)++); | |
662 | uint32_t dst, src; | |
663 | SDEBUG(" src1: "); | |
664 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
665 | SDEBUG(" src2: "); | |
666 | src = atom_get_src(ctx, attr, ptr); | |
667 | if (src != 0) { | |
668 | ctx->ctx->divmul[0] = dst / src; | |
669 | ctx->ctx->divmul[1] = dst % src; | |
670 | } else { | |
671 | ctx->ctx->divmul[0] = 0; | |
672 | ctx->ctx->divmul[1] = 0; | |
673 | } | |
674 | } | |
675 | ||
676 | static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg) | |
677 | { | |
678 | /* functionally, a nop */ | |
679 | } | |
680 | ||
681 | static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg) | |
682 | { | |
683 | int execute = 0, target = U16(*ptr); | |
c21b0fe6 JG |
684 | unsigned long cjiffies; |
685 | ||
771fe6b9 JG |
686 | (*ptr) += 2; |
687 | switch (arg) { | |
688 | case ATOM_COND_ABOVE: | |
689 | execute = ctx->ctx->cs_above; | |
690 | break; | |
691 | case ATOM_COND_ABOVEOREQUAL: | |
692 | execute = ctx->ctx->cs_above || ctx->ctx->cs_equal; | |
693 | break; | |
694 | case ATOM_COND_ALWAYS: | |
695 | execute = 1; | |
696 | break; | |
697 | case ATOM_COND_BELOW: | |
698 | execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal); | |
699 | break; | |
700 | case ATOM_COND_BELOWOREQUAL: | |
701 | execute = !ctx->ctx->cs_above; | |
702 | break; | |
703 | case ATOM_COND_EQUAL: | |
704 | execute = ctx->ctx->cs_equal; | |
705 | break; | |
706 | case ATOM_COND_NOTEQUAL: | |
707 | execute = !ctx->ctx->cs_equal; | |
708 | break; | |
709 | } | |
710 | if (arg != ATOM_COND_ALWAYS) | |
711 | SDEBUG(" taken: %s\n", execute ? "yes" : "no"); | |
712 | SDEBUG(" target: 0x%04X\n", target); | |
c21b0fe6 JG |
713 | if (execute) { |
714 | if (ctx->last_jump == (ctx->start + target)) { | |
715 | cjiffies = jiffies; | |
716 | if (time_after(cjiffies, ctx->last_jump_jiffies)) { | |
717 | cjiffies -= ctx->last_jump_jiffies; | |
718 | if ((jiffies_to_msecs(cjiffies) > 1000)) { | |
719 | DRM_ERROR("atombios stuck in loop for more than 1sec aborting\n"); | |
720 | ctx->abort = true; | |
721 | } | |
722 | } else { | |
723 | /* jiffies wrap around we will just wait a little longer */ | |
724 | ctx->last_jump_jiffies = jiffies; | |
725 | } | |
726 | } else { | |
727 | ctx->last_jump = ctx->start + target; | |
728 | ctx->last_jump_jiffies = jiffies; | |
729 | } | |
771fe6b9 | 730 | *ptr = ctx->start + target; |
c21b0fe6 | 731 | } |
771fe6b9 JG |
732 | } |
733 | ||
734 | static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg) | |
735 | { | |
736 | uint8_t attr = U8((*ptr)++); | |
737 | uint32_t dst, src1, src2, saved; | |
738 | int dptr = *ptr; | |
739 | SDEBUG(" dst: "); | |
740 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
741 | SDEBUG(" src1: "); | |
9f53e793 | 742 | src1 = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr); |
771fe6b9 | 743 | SDEBUG(" src2: "); |
e2f8e870 | 744 | src2 = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
745 | dst &= src1; |
746 | dst |= src2; | |
747 | SDEBUG(" dst: "); | |
748 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
749 | } | |
750 | ||
751 | static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg) | |
752 | { | |
753 | uint8_t attr = U8((*ptr)++); | |
754 | uint32_t src, saved; | |
755 | int dptr = *ptr; | |
756 | if (((attr >> 3) & 7) != ATOM_SRC_DWORD) | |
757 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
758 | else { | |
759 | atom_skip_dst(ctx, arg, attr, ptr); | |
760 | saved = 0xCDCDCDCD; | |
761 | } | |
762 | SDEBUG(" src: "); | |
763 | src = atom_get_src(ctx, attr, ptr); | |
764 | SDEBUG(" dst: "); | |
765 | atom_put_dst(ctx, arg, attr, &dptr, src, saved); | |
766 | } | |
767 | ||
768 | static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg) | |
769 | { | |
770 | uint8_t attr = U8((*ptr)++); | |
771 | uint32_t dst, src; | |
772 | SDEBUG(" src1: "); | |
773 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
774 | SDEBUG(" src2: "); | |
775 | src = atom_get_src(ctx, attr, ptr); | |
776 | ctx->ctx->divmul[0] = dst * src; | |
777 | } | |
778 | ||
779 | static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg) | |
780 | { | |
781 | /* nothing */ | |
782 | } | |
783 | ||
784 | static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg) | |
785 | { | |
786 | uint8_t attr = U8((*ptr)++); | |
787 | uint32_t dst, src, saved; | |
788 | int dptr = *ptr; | |
789 | SDEBUG(" dst: "); | |
790 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
791 | SDEBUG(" src: "); | |
792 | src = atom_get_src(ctx, attr, ptr); | |
793 | dst |= src; | |
794 | SDEBUG(" dst: "); | |
795 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
796 | } | |
797 | ||
798 | static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg) | |
799 | { | |
800 | uint8_t val = U8((*ptr)++); | |
801 | SDEBUG("POST card output: 0x%02X\n", val); | |
802 | } | |
803 | ||
804 | static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg) | |
805 | { | |
806 | printk(KERN_INFO "unimplemented!\n"); | |
807 | } | |
808 | ||
809 | static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg) | |
810 | { | |
811 | printk(KERN_INFO "unimplemented!\n"); | |
812 | } | |
813 | ||
814 | static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg) | |
815 | { | |
816 | printk(KERN_INFO "unimplemented!\n"); | |
817 | } | |
818 | ||
819 | static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg) | |
820 | { | |
821 | int idx = U8(*ptr); | |
822 | (*ptr)++; | |
823 | SDEBUG(" block: %d\n", idx); | |
824 | if (!idx) | |
825 | ctx->ctx->data_block = 0; | |
826 | else if (idx == 255) | |
827 | ctx->ctx->data_block = ctx->start; | |
828 | else | |
829 | ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx); | |
830 | SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block); | |
831 | } | |
832 | ||
833 | static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg) | |
834 | { | |
835 | uint8_t attr = U8((*ptr)++); | |
836 | SDEBUG(" fb_base: "); | |
837 | ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr); | |
838 | } | |
839 | ||
840 | static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg) | |
841 | { | |
842 | int port; | |
843 | switch (arg) { | |
844 | case ATOM_PORT_ATI: | |
845 | port = U16(*ptr); | |
846 | if (port < ATOM_IO_NAMES_CNT) | |
847 | SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]); | |
848 | else | |
849 | SDEBUG(" port: %d\n", port); | |
850 | if (!port) | |
851 | ctx->ctx->io_mode = ATOM_IO_MM; | |
852 | else | |
853 | ctx->ctx->io_mode = ATOM_IO_IIO | port; | |
854 | (*ptr) += 2; | |
855 | break; | |
856 | case ATOM_PORT_PCI: | |
857 | ctx->ctx->io_mode = ATOM_IO_PCI; | |
858 | (*ptr)++; | |
859 | break; | |
860 | case ATOM_PORT_SYSIO: | |
861 | ctx->ctx->io_mode = ATOM_IO_SYSIO; | |
862 | (*ptr)++; | |
863 | break; | |
864 | } | |
865 | } | |
866 | ||
867 | static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg) | |
868 | { | |
869 | ctx->ctx->reg_block = U16(*ptr); | |
870 | (*ptr) += 2; | |
871 | SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block); | |
872 | } | |
873 | ||
9f53e793 AD |
874 | static void atom_op_shift_left(atom_exec_context *ctx, int *ptr, int arg) |
875 | { | |
876 | uint8_t attr = U8((*ptr)++), shift; | |
877 | uint32_t saved, dst; | |
878 | int dptr = *ptr; | |
879 | attr &= 0x38; | |
880 | attr |= atom_def_dst[attr >> 3] << 6; | |
881 | SDEBUG(" dst: "); | |
882 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
883 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
884 | SDEBUG(" shift: %d\n", shift); | |
885 | dst <<= shift; | |
886 | SDEBUG(" dst: "); | |
887 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
888 | } | |
889 | ||
890 | static void atom_op_shift_right(atom_exec_context *ctx, int *ptr, int arg) | |
891 | { | |
892 | uint8_t attr = U8((*ptr)++), shift; | |
893 | uint32_t saved, dst; | |
894 | int dptr = *ptr; | |
895 | attr &= 0x38; | |
896 | attr |= atom_def_dst[attr >> 3] << 6; | |
897 | SDEBUG(" dst: "); | |
898 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
899 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
900 | SDEBUG(" shift: %d\n", shift); | |
901 | dst >>= shift; | |
902 | SDEBUG(" dst: "); | |
903 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
904 | } | |
905 | ||
771fe6b9 JG |
906 | static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg) |
907 | { | |
908 | uint8_t attr = U8((*ptr)++), shift; | |
909 | uint32_t saved, dst; | |
910 | int dptr = *ptr; | |
65384a1d | 911 | uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; |
771fe6b9 JG |
912 | SDEBUG(" dst: "); |
913 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
65384a1d AD |
914 | /* op needs to full dst value */ |
915 | dst = saved; | |
9f53e793 | 916 | shift = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
917 | SDEBUG(" shift: %d\n", shift); |
918 | dst <<= shift; | |
65384a1d AD |
919 | dst &= atom_arg_mask[dst_align]; |
920 | dst >>= atom_arg_shift[dst_align]; | |
771fe6b9 JG |
921 | SDEBUG(" dst: "); |
922 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
923 | } | |
924 | ||
925 | static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg) | |
926 | { | |
927 | uint8_t attr = U8((*ptr)++), shift; | |
928 | uint32_t saved, dst; | |
929 | int dptr = *ptr; | |
65384a1d | 930 | uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; |
771fe6b9 JG |
931 | SDEBUG(" dst: "); |
932 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
65384a1d AD |
933 | /* op needs to full dst value */ |
934 | dst = saved; | |
9f53e793 | 935 | shift = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
936 | SDEBUG(" shift: %d\n", shift); |
937 | dst >>= shift; | |
65384a1d AD |
938 | dst &= atom_arg_mask[dst_align]; |
939 | dst >>= atom_arg_shift[dst_align]; | |
771fe6b9 JG |
940 | SDEBUG(" dst: "); |
941 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
942 | } | |
943 | ||
944 | static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg) | |
945 | { | |
946 | uint8_t attr = U8((*ptr)++); | |
947 | uint32_t dst, src, saved; | |
948 | int dptr = *ptr; | |
949 | SDEBUG(" dst: "); | |
950 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
951 | SDEBUG(" src: "); | |
952 | src = atom_get_src(ctx, attr, ptr); | |
953 | dst -= src; | |
954 | SDEBUG(" dst: "); | |
955 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
956 | } | |
957 | ||
958 | static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg) | |
959 | { | |
960 | uint8_t attr = U8((*ptr)++); | |
961 | uint32_t src, val, target; | |
962 | SDEBUG(" switch: "); | |
963 | src = atom_get_src(ctx, attr, ptr); | |
964 | while (U16(*ptr) != ATOM_CASE_END) | |
965 | if (U8(*ptr) == ATOM_CASE_MAGIC) { | |
966 | (*ptr)++; | |
967 | SDEBUG(" case: "); | |
968 | val = | |
969 | atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM, | |
970 | ptr); | |
971 | target = U16(*ptr); | |
972 | if (val == src) { | |
973 | SDEBUG(" target: %04X\n", target); | |
974 | *ptr = ctx->start + target; | |
975 | return; | |
976 | } | |
977 | (*ptr) += 2; | |
978 | } else { | |
979 | printk(KERN_INFO "Bad case.\n"); | |
980 | return; | |
981 | } | |
982 | (*ptr) += 2; | |
983 | } | |
984 | ||
985 | static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg) | |
986 | { | |
987 | uint8_t attr = U8((*ptr)++); | |
988 | uint32_t dst, src; | |
989 | SDEBUG(" src1: "); | |
990 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
991 | SDEBUG(" src2: "); | |
992 | src = atom_get_src(ctx, attr, ptr); | |
993 | ctx->ctx->cs_equal = ((dst & src) == 0); | |
994 | SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE"); | |
995 | } | |
996 | ||
997 | static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg) | |
998 | { | |
999 | uint8_t attr = U8((*ptr)++); | |
1000 | uint32_t dst, src, saved; | |
1001 | int dptr = *ptr; | |
1002 | SDEBUG(" dst: "); | |
1003 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
1004 | SDEBUG(" src: "); | |
1005 | src = atom_get_src(ctx, attr, ptr); | |
1006 | dst ^= src; | |
1007 | SDEBUG(" dst: "); | |
1008 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
1009 | } | |
1010 | ||
1011 | static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg) | |
1012 | { | |
1013 | printk(KERN_INFO "unimplemented!\n"); | |
1014 | } | |
1015 | ||
1016 | static struct { | |
1017 | void (*func) (atom_exec_context *, int *, int); | |
1018 | int arg; | |
1019 | } opcode_table[ATOM_OP_CNT] = { | |
1020 | { | |
1021 | NULL, 0}, { | |
1022 | atom_op_move, ATOM_ARG_REG}, { | |
1023 | atom_op_move, ATOM_ARG_PS}, { | |
1024 | atom_op_move, ATOM_ARG_WS}, { | |
1025 | atom_op_move, ATOM_ARG_FB}, { | |
1026 | atom_op_move, ATOM_ARG_PLL}, { | |
1027 | atom_op_move, ATOM_ARG_MC}, { | |
1028 | atom_op_and, ATOM_ARG_REG}, { | |
1029 | atom_op_and, ATOM_ARG_PS}, { | |
1030 | atom_op_and, ATOM_ARG_WS}, { | |
1031 | atom_op_and, ATOM_ARG_FB}, { | |
1032 | atom_op_and, ATOM_ARG_PLL}, { | |
1033 | atom_op_and, ATOM_ARG_MC}, { | |
1034 | atom_op_or, ATOM_ARG_REG}, { | |
1035 | atom_op_or, ATOM_ARG_PS}, { | |
1036 | atom_op_or, ATOM_ARG_WS}, { | |
1037 | atom_op_or, ATOM_ARG_FB}, { | |
1038 | atom_op_or, ATOM_ARG_PLL}, { | |
1039 | atom_op_or, ATOM_ARG_MC}, { | |
9f53e793 AD |
1040 | atom_op_shift_left, ATOM_ARG_REG}, { |
1041 | atom_op_shift_left, ATOM_ARG_PS}, { | |
1042 | atom_op_shift_left, ATOM_ARG_WS}, { | |
1043 | atom_op_shift_left, ATOM_ARG_FB}, { | |
1044 | atom_op_shift_left, ATOM_ARG_PLL}, { | |
1045 | atom_op_shift_left, ATOM_ARG_MC}, { | |
1046 | atom_op_shift_right, ATOM_ARG_REG}, { | |
1047 | atom_op_shift_right, ATOM_ARG_PS}, { | |
1048 | atom_op_shift_right, ATOM_ARG_WS}, { | |
1049 | atom_op_shift_right, ATOM_ARG_FB}, { | |
1050 | atom_op_shift_right, ATOM_ARG_PLL}, { | |
1051 | atom_op_shift_right, ATOM_ARG_MC}, { | |
771fe6b9 JG |
1052 | atom_op_mul, ATOM_ARG_REG}, { |
1053 | atom_op_mul, ATOM_ARG_PS}, { | |
1054 | atom_op_mul, ATOM_ARG_WS}, { | |
1055 | atom_op_mul, ATOM_ARG_FB}, { | |
1056 | atom_op_mul, ATOM_ARG_PLL}, { | |
1057 | atom_op_mul, ATOM_ARG_MC}, { | |
1058 | atom_op_div, ATOM_ARG_REG}, { | |
1059 | atom_op_div, ATOM_ARG_PS}, { | |
1060 | atom_op_div, ATOM_ARG_WS}, { | |
1061 | atom_op_div, ATOM_ARG_FB}, { | |
1062 | atom_op_div, ATOM_ARG_PLL}, { | |
1063 | atom_op_div, ATOM_ARG_MC}, { | |
1064 | atom_op_add, ATOM_ARG_REG}, { | |
1065 | atom_op_add, ATOM_ARG_PS}, { | |
1066 | atom_op_add, ATOM_ARG_WS}, { | |
1067 | atom_op_add, ATOM_ARG_FB}, { | |
1068 | atom_op_add, ATOM_ARG_PLL}, { | |
1069 | atom_op_add, ATOM_ARG_MC}, { | |
1070 | atom_op_sub, ATOM_ARG_REG}, { | |
1071 | atom_op_sub, ATOM_ARG_PS}, { | |
1072 | atom_op_sub, ATOM_ARG_WS}, { | |
1073 | atom_op_sub, ATOM_ARG_FB}, { | |
1074 | atom_op_sub, ATOM_ARG_PLL}, { | |
1075 | atom_op_sub, ATOM_ARG_MC}, { | |
1076 | atom_op_setport, ATOM_PORT_ATI}, { | |
1077 | atom_op_setport, ATOM_PORT_PCI}, { | |
1078 | atom_op_setport, ATOM_PORT_SYSIO}, { | |
1079 | atom_op_setregblock, 0}, { | |
1080 | atom_op_setfbbase, 0}, { | |
1081 | atom_op_compare, ATOM_ARG_REG}, { | |
1082 | atom_op_compare, ATOM_ARG_PS}, { | |
1083 | atom_op_compare, ATOM_ARG_WS}, { | |
1084 | atom_op_compare, ATOM_ARG_FB}, { | |
1085 | atom_op_compare, ATOM_ARG_PLL}, { | |
1086 | atom_op_compare, ATOM_ARG_MC}, { | |
1087 | atom_op_switch, 0}, { | |
1088 | atom_op_jump, ATOM_COND_ALWAYS}, { | |
1089 | atom_op_jump, ATOM_COND_EQUAL}, { | |
1090 | atom_op_jump, ATOM_COND_BELOW}, { | |
1091 | atom_op_jump, ATOM_COND_ABOVE}, { | |
1092 | atom_op_jump, ATOM_COND_BELOWOREQUAL}, { | |
1093 | atom_op_jump, ATOM_COND_ABOVEOREQUAL}, { | |
1094 | atom_op_jump, ATOM_COND_NOTEQUAL}, { | |
1095 | atom_op_test, ATOM_ARG_REG}, { | |
1096 | atom_op_test, ATOM_ARG_PS}, { | |
1097 | atom_op_test, ATOM_ARG_WS}, { | |
1098 | atom_op_test, ATOM_ARG_FB}, { | |
1099 | atom_op_test, ATOM_ARG_PLL}, { | |
1100 | atom_op_test, ATOM_ARG_MC}, { | |
1101 | atom_op_delay, ATOM_UNIT_MILLISEC}, { | |
1102 | atom_op_delay, ATOM_UNIT_MICROSEC}, { | |
1103 | atom_op_calltable, 0}, { | |
1104 | atom_op_repeat, 0}, { | |
1105 | atom_op_clear, ATOM_ARG_REG}, { | |
1106 | atom_op_clear, ATOM_ARG_PS}, { | |
1107 | atom_op_clear, ATOM_ARG_WS}, { | |
1108 | atom_op_clear, ATOM_ARG_FB}, { | |
1109 | atom_op_clear, ATOM_ARG_PLL}, { | |
1110 | atom_op_clear, ATOM_ARG_MC}, { | |
1111 | atom_op_nop, 0}, { | |
1112 | atom_op_eot, 0}, { | |
1113 | atom_op_mask, ATOM_ARG_REG}, { | |
1114 | atom_op_mask, ATOM_ARG_PS}, { | |
1115 | atom_op_mask, ATOM_ARG_WS}, { | |
1116 | atom_op_mask, ATOM_ARG_FB}, { | |
1117 | atom_op_mask, ATOM_ARG_PLL}, { | |
1118 | atom_op_mask, ATOM_ARG_MC}, { | |
1119 | atom_op_postcard, 0}, { | |
1120 | atom_op_beep, 0}, { | |
1121 | atom_op_savereg, 0}, { | |
1122 | atom_op_restorereg, 0}, { | |
1123 | atom_op_setdatablock, 0}, { | |
1124 | atom_op_xor, ATOM_ARG_REG}, { | |
1125 | atom_op_xor, ATOM_ARG_PS}, { | |
1126 | atom_op_xor, ATOM_ARG_WS}, { | |
1127 | atom_op_xor, ATOM_ARG_FB}, { | |
1128 | atom_op_xor, ATOM_ARG_PLL}, { | |
1129 | atom_op_xor, ATOM_ARG_MC}, { | |
1130 | atom_op_shl, ATOM_ARG_REG}, { | |
1131 | atom_op_shl, ATOM_ARG_PS}, { | |
1132 | atom_op_shl, ATOM_ARG_WS}, { | |
1133 | atom_op_shl, ATOM_ARG_FB}, { | |
1134 | atom_op_shl, ATOM_ARG_PLL}, { | |
1135 | atom_op_shl, ATOM_ARG_MC}, { | |
1136 | atom_op_shr, ATOM_ARG_REG}, { | |
1137 | atom_op_shr, ATOM_ARG_PS}, { | |
1138 | atom_op_shr, ATOM_ARG_WS}, { | |
1139 | atom_op_shr, ATOM_ARG_FB}, { | |
1140 | atom_op_shr, ATOM_ARG_PLL}, { | |
1141 | atom_op_shr, ATOM_ARG_MC}, { | |
1142 | atom_op_debug, 0},}; | |
1143 | ||
c21b0fe6 | 1144 | static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params) |
771fe6b9 JG |
1145 | { |
1146 | int base = CU16(ctx->cmd_table + 4 + 2 * index); | |
1147 | int len, ws, ps, ptr; | |
1148 | unsigned char op; | |
1149 | atom_exec_context ectx; | |
01a356fd | 1150 | int ret = 0; |
771fe6b9 JG |
1151 | |
1152 | if (!base) | |
c21b0fe6 | 1153 | return -EINVAL; |
771fe6b9 JG |
1154 | |
1155 | len = CU16(base + ATOM_CT_SIZE_PTR); | |
1156 | ws = CU8(base + ATOM_CT_WS_PTR); | |
1157 | ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK; | |
1158 | ptr = base + ATOM_CT_CODE_PTR; | |
1159 | ||
1160 | SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps); | |
1161 | ||
771fe6b9 JG |
1162 | ectx.ctx = ctx; |
1163 | ectx.ps_shift = ps / 4; | |
1164 | ectx.start = base; | |
1165 | ectx.ps = params; | |
c21b0fe6 JG |
1166 | ectx.abort = false; |
1167 | ectx.last_jump = 0; | |
771fe6b9 JG |
1168 | if (ws) |
1169 | ectx.ws = kzalloc(4 * ws, GFP_KERNEL); | |
1170 | else | |
1171 | ectx.ws = NULL; | |
1172 | ||
1173 | debug_depth++; | |
1174 | while (1) { | |
1175 | op = CU8(ptr++); | |
1176 | if (op < ATOM_OP_NAMES_CNT) | |
1177 | SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1); | |
1178 | else | |
1179 | SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1); | |
c21b0fe6 JG |
1180 | if (ectx.abort) { |
1181 | DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n", | |
1182 | base, len, ws, ps, ptr - 1); | |
01a356fd DC |
1183 | ret = -EINVAL; |
1184 | goto free; | |
c21b0fe6 | 1185 | } |
771fe6b9 JG |
1186 | |
1187 | if (op < ATOM_OP_CNT && op > 0) | |
1188 | opcode_table[op].func(&ectx, &ptr, | |
1189 | opcode_table[op].arg); | |
1190 | else | |
1191 | break; | |
1192 | ||
1193 | if (op == ATOM_OP_EOT) | |
1194 | break; | |
1195 | } | |
1196 | debug_depth--; | |
1197 | SDEBUG("<<\n"); | |
1198 | ||
01a356fd | 1199 | free: |
771fe6b9 JG |
1200 | if (ws) |
1201 | kfree(ectx.ws); | |
01a356fd | 1202 | return ret; |
771fe6b9 JG |
1203 | } |
1204 | ||
c21b0fe6 | 1205 | int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) |
c31ad97f | 1206 | { |
c21b0fe6 JG |
1207 | int r; |
1208 | ||
c31ad97f | 1209 | mutex_lock(&ctx->mutex); |
947bfc83 AD |
1210 | /* reset reg block */ |
1211 | ctx->reg_block = 0; | |
1212 | /* reset fb window */ | |
1213 | ctx->fb_base = 0; | |
1214 | /* reset io mode */ | |
1215 | ctx->io_mode = ATOM_IO_MM; | |
c21b0fe6 | 1216 | r = atom_execute_table_locked(ctx, index, params); |
c31ad97f | 1217 | mutex_unlock(&ctx->mutex); |
c21b0fe6 | 1218 | return r; |
c31ad97f RM |
1219 | } |
1220 | ||
771fe6b9 JG |
1221 | static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 }; |
1222 | ||
1223 | static void atom_index_iio(struct atom_context *ctx, int base) | |
1224 | { | |
1225 | ctx->iio = kzalloc(2 * 256, GFP_KERNEL); | |
1226 | while (CU8(base) == ATOM_IIO_START) { | |
1227 | ctx->iio[CU8(base + 1)] = base + 2; | |
1228 | base += 2; | |
1229 | while (CU8(base) != ATOM_IIO_END) | |
1230 | base += atom_iio_len[CU8(base)]; | |
1231 | base += 3; | |
1232 | } | |
1233 | } | |
1234 | ||
1235 | struct atom_context *atom_parse(struct card_info *card, void *bios) | |
1236 | { | |
1237 | int base; | |
1238 | struct atom_context *ctx = | |
1239 | kzalloc(sizeof(struct atom_context), GFP_KERNEL); | |
1240 | char *str; | |
1241 | char name[512]; | |
1242 | int i; | |
1243 | ||
1244 | ctx->card = card; | |
1245 | ctx->bios = bios; | |
1246 | ||
1247 | if (CU16(0) != ATOM_BIOS_MAGIC) { | |
1248 | printk(KERN_INFO "Invalid BIOS magic.\n"); | |
1249 | kfree(ctx); | |
1250 | return NULL; | |
1251 | } | |
1252 | if (strncmp | |
1253 | (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC, | |
1254 | strlen(ATOM_ATI_MAGIC))) { | |
1255 | printk(KERN_INFO "Invalid ATI magic.\n"); | |
1256 | kfree(ctx); | |
1257 | return NULL; | |
1258 | } | |
1259 | ||
1260 | base = CU16(ATOM_ROM_TABLE_PTR); | |
1261 | if (strncmp | |
1262 | (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC, | |
1263 | strlen(ATOM_ROM_MAGIC))) { | |
1264 | printk(KERN_INFO "Invalid ATOM magic.\n"); | |
1265 | kfree(ctx); | |
1266 | return NULL; | |
1267 | } | |
1268 | ||
1269 | ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR); | |
1270 | ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR); | |
1271 | atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4); | |
1272 | ||
1273 | str = CSTR(CU16(base + ATOM_ROM_MSG_PTR)); | |
1274 | while (*str && ((*str == '\n') || (*str == '\r'))) | |
1275 | str++; | |
1276 | /* name string isn't always 0 terminated */ | |
1277 | for (i = 0; i < 511; i++) { | |
1278 | name[i] = str[i]; | |
1279 | if (name[i] < '.' || name[i] > 'z') { | |
1280 | name[i] = 0; | |
1281 | break; | |
1282 | } | |
1283 | } | |
1284 | printk(KERN_INFO "ATOM BIOS: %s\n", name); | |
1285 | ||
1286 | return ctx; | |
1287 | } | |
1288 | ||
1289 | int atom_asic_init(struct atom_context *ctx) | |
1290 | { | |
1291 | int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR); | |
1292 | uint32_t ps[16]; | |
1293 | memset(ps, 0, 64); | |
1294 | ||
1295 | ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR)); | |
1296 | ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR)); | |
1297 | if (!ps[0] || !ps[1]) | |
1298 | return 1; | |
1299 | ||
1300 | if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT)) | |
1301 | return 1; | |
c21b0fe6 | 1302 | return atom_execute_table(ctx, ATOM_CMD_INIT, ps); |
771fe6b9 JG |
1303 | } |
1304 | ||
1305 | void atom_destroy(struct atom_context *ctx) | |
1306 | { | |
1307 | if (ctx->iio) | |
1308 | kfree(ctx->iio); | |
1309 | kfree(ctx); | |
1310 | } | |
1311 | ||
a084e6ee | 1312 | bool atom_parse_data_header(struct atom_context *ctx, int index, |
771fe6b9 JG |
1313 | uint16_t * size, uint8_t * frev, uint8_t * crev, |
1314 | uint16_t * data_start) | |
1315 | { | |
1316 | int offset = index * 2 + 4; | |
1317 | int idx = CU16(ctx->data_table + offset); | |
a084e6ee AD |
1318 | u16 *mdt = (u16 *)(ctx->bios + ctx->data_table + 4); |
1319 | ||
1320 | if (!mdt[index]) | |
1321 | return false; | |
771fe6b9 JG |
1322 | |
1323 | if (size) | |
1324 | *size = CU16(idx); | |
1325 | if (frev) | |
1326 | *frev = CU8(idx + 2); | |
1327 | if (crev) | |
1328 | *crev = CU8(idx + 3); | |
1329 | *data_start = idx; | |
a084e6ee | 1330 | return true; |
771fe6b9 JG |
1331 | } |
1332 | ||
a084e6ee | 1333 | bool atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev, |
771fe6b9 JG |
1334 | uint8_t * crev) |
1335 | { | |
1336 | int offset = index * 2 + 4; | |
1337 | int idx = CU16(ctx->cmd_table + offset); | |
a084e6ee AD |
1338 | u16 *mct = (u16 *)(ctx->bios + ctx->cmd_table + 4); |
1339 | ||
1340 | if (!mct[index]) | |
1341 | return false; | |
771fe6b9 JG |
1342 | |
1343 | if (frev) | |
1344 | *frev = CU8(idx + 2); | |
1345 | if (crev) | |
1346 | *crev = CU8(idx + 3); | |
a084e6ee | 1347 | return true; |
771fe6b9 | 1348 | } |
5801ead6 AD |
1349 | |
1350 | int atom_allocate_fb_scratch(struct atom_context *ctx) | |
1351 | { | |
1352 | int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware); | |
1353 | uint16_t data_offset; | |
a084e6ee | 1354 | int usage_bytes = 0; |
5801ead6 AD |
1355 | struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage; |
1356 | ||
a084e6ee AD |
1357 | if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { |
1358 | firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); | |
5801ead6 | 1359 | |
a084e6ee AD |
1360 | DRM_DEBUG("atom firmware requested %08x %dkb\n", |
1361 | firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware, | |
1362 | firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb); | |
5801ead6 | 1363 | |
a084e6ee AD |
1364 | usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024; |
1365 | } | |
5801ead6 AD |
1366 | if (usage_bytes == 0) |
1367 | usage_bytes = 20 * 1024; | |
1368 | /* allocate some scratch memory */ | |
1369 | ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); | |
1370 | if (!ctx->scratch) | |
1371 | return -ENOMEM; | |
1372 | return 0; | |
1373 | } |