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