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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" | |
71e16bfb | 35 | #include "radeon.h" |
771fe6b9 JG |
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; | |
771fe6b9 JG |
57 | uint32_t *ps, *ws; |
58 | int ps_shift; | |
59 | uint16_t start; | |
c21b0fe6 JG |
60 | unsigned last_jump; |
61 | unsigned long last_jump_jiffies; | |
62 | bool abort; | |
771fe6b9 JG |
63 | } atom_exec_context; |
64 | ||
65 | int atom_debug = 0; | |
c21b0fe6 JG |
66 | static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params); |
67 | int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params); | |
771fe6b9 JG |
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 (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0) | |
96 | #define SDEBUG(...) do if (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 | { | |
71e16bfb | 105 | struct radeon_device *rdev = ctx->card->dev->dev_private; |
771fe6b9 | 106 | uint32_t temp = 0xCDCDCDCD; |
71e16bfb | 107 | |
771fe6b9 JG |
108 | while (1) |
109 | switch (CU8(base)) { | |
110 | case ATOM_IIO_NOP: | |
111 | base++; | |
112 | break; | |
113 | case ATOM_IIO_READ: | |
351a52a2 | 114 | temp = ctx->card->ioreg_read(ctx->card, CU16(base + 1)); |
771fe6b9 JG |
115 | base += 3; |
116 | break; | |
117 | case ATOM_IIO_WRITE: | |
71e16bfb AD |
118 | if (rdev->family == CHIP_RV515) |
119 | (void)ctx->card->ioreg_read(ctx->card, CU16(base + 1)); | |
351a52a2 | 120 | ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp); |
771fe6b9 JG |
121 | base += 3; |
122 | break; | |
123 | case ATOM_IIO_CLEAR: | |
124 | temp &= | |
125 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
126 | CU8(base + 2)); | |
127 | base += 3; | |
128 | break; | |
129 | case ATOM_IIO_SET: | |
130 | temp |= | |
131 | (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base + | |
132 | 2); | |
133 | base += 3; | |
134 | break; | |
135 | case ATOM_IIO_MOVE_INDEX: | |
136 | temp &= | |
137 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
8e461123 | 138 | CU8(base + 3)); |
771fe6b9 JG |
139 | temp |= |
140 | ((index >> CU8(base + 2)) & | |
141 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
142 | 3); | |
143 | base += 4; | |
144 | break; | |
145 | case ATOM_IIO_MOVE_DATA: | |
146 | temp &= | |
147 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
8e461123 | 148 | CU8(base + 3)); |
771fe6b9 JG |
149 | temp |= |
150 | ((data >> CU8(base + 2)) & | |
151 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + | |
152 | 3); | |
153 | base += 4; | |
154 | break; | |
155 | case ATOM_IIO_MOVE_ATTR: | |
156 | temp &= | |
157 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << | |
8e461123 | 158 | CU8(base + 3)); |
771fe6b9 JG |
159 | temp |= |
160 | ((ctx-> | |
161 | io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 - | |
162 | CU8 | |
163 | (base | |
164 | + | |
165 | 1)))) | |
166 | << CU8(base + 3); | |
167 | base += 4; | |
168 | break; | |
169 | case ATOM_IIO_END: | |
170 | return temp; | |
171 | default: | |
172 | printk(KERN_INFO "Unknown IIO opcode.\n"); | |
173 | return 0; | |
174 | } | |
175 | } | |
176 | ||
177 | static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, | |
178 | int *ptr, uint32_t *saved, int print) | |
179 | { | |
180 | uint32_t idx, val = 0xCDCDCDCD, align, arg; | |
181 | struct atom_context *gctx = ctx->ctx; | |
182 | arg = attr & 7; | |
183 | align = (attr >> 3) & 7; | |
184 | switch (arg) { | |
185 | case ATOM_ARG_REG: | |
186 | idx = U16(*ptr); | |
187 | (*ptr) += 2; | |
188 | if (print) | |
189 | DEBUG("REG[0x%04X]", idx); | |
190 | idx += gctx->reg_block; | |
191 | switch (gctx->io_mode) { | |
192 | case ATOM_IO_MM: | |
193 | val = gctx->card->reg_read(gctx->card, idx); | |
194 | break; | |
195 | case ATOM_IO_PCI: | |
196 | printk(KERN_INFO | |
197 | "PCI registers are not implemented.\n"); | |
198 | return 0; | |
199 | case ATOM_IO_SYSIO: | |
200 | printk(KERN_INFO | |
201 | "SYSIO registers are not implemented.\n"); | |
202 | return 0; | |
203 | default: | |
204 | if (!(gctx->io_mode & 0x80)) { | |
205 | printk(KERN_INFO "Bad IO mode.\n"); | |
206 | return 0; | |
207 | } | |
208 | if (!gctx->iio[gctx->io_mode & 0x7F]) { | |
209 | printk(KERN_INFO | |
210 | "Undefined indirect IO read method %d.\n", | |
211 | gctx->io_mode & 0x7F); | |
212 | return 0; | |
213 | } | |
214 | val = | |
215 | atom_iio_execute(gctx, | |
216 | gctx->iio[gctx->io_mode & 0x7F], | |
217 | idx, 0); | |
218 | } | |
219 | break; | |
220 | case ATOM_ARG_PS: | |
221 | idx = U8(*ptr); | |
222 | (*ptr)++; | |
ce36f00d MT |
223 | /* get_unaligned_le32 avoids unaligned accesses from atombios |
224 | * tables, noticed on a DEC Alpha. */ | |
225 | val = get_unaligned_le32((u32 *)&ctx->ps[idx]); | |
771fe6b9 JG |
226 | if (print) |
227 | DEBUG("PS[0x%02X,0x%04X]", idx, val); | |
228 | break; | |
229 | case ATOM_ARG_WS: | |
230 | idx = U8(*ptr); | |
231 | (*ptr)++; | |
232 | if (print) | |
233 | DEBUG("WS[0x%02X]", idx); | |
234 | switch (idx) { | |
235 | case ATOM_WS_QUOTIENT: | |
236 | val = gctx->divmul[0]; | |
237 | break; | |
238 | case ATOM_WS_REMAINDER: | |
239 | val = gctx->divmul[1]; | |
240 | break; | |
241 | case ATOM_WS_DATAPTR: | |
242 | val = gctx->data_block; | |
243 | break; | |
244 | case ATOM_WS_SHIFT: | |
245 | val = gctx->shift; | |
246 | break; | |
247 | case ATOM_WS_OR_MASK: | |
248 | val = 1 << gctx->shift; | |
249 | break; | |
250 | case ATOM_WS_AND_MASK: | |
251 | val = ~(1 << gctx->shift); | |
252 | break; | |
253 | case ATOM_WS_FB_WINDOW: | |
254 | val = gctx->fb_base; | |
255 | break; | |
256 | case ATOM_WS_ATTRIBUTES: | |
257 | val = gctx->io_attr; | |
258 | break; | |
e2f8e870 AD |
259 | case ATOM_WS_REGPTR: |
260 | val = gctx->reg_block; | |
261 | break; | |
771fe6b9 JG |
262 | default: |
263 | val = ctx->ws[idx]; | |
264 | } | |
265 | break; | |
266 | case ATOM_ARG_ID: | |
267 | idx = U16(*ptr); | |
268 | (*ptr) += 2; | |
269 | if (print) { | |
270 | if (gctx->data_block) | |
271 | DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block); | |
272 | else | |
273 | DEBUG("ID[0x%04X]", idx); | |
274 | } | |
275 | val = U32(idx + gctx->data_block); | |
276 | break; | |
277 | case ATOM_ARG_FB: | |
278 | idx = U8(*ptr); | |
279 | (*ptr)++; | |
d904ef9b | 280 | val = gctx->scratch[((gctx->fb_base + idx) / 4)]; |
771fe6b9 JG |
281 | if (print) |
282 | DEBUG("FB[0x%02X]", idx); | |
d904ef9b | 283 | break; |
771fe6b9 JG |
284 | case ATOM_ARG_IMM: |
285 | switch (align) { | |
286 | case ATOM_SRC_DWORD: | |
287 | val = U32(*ptr); | |
288 | (*ptr) += 4; | |
289 | if (print) | |
290 | DEBUG("IMM 0x%08X\n", val); | |
291 | return val; | |
292 | case ATOM_SRC_WORD0: | |
293 | case ATOM_SRC_WORD8: | |
294 | case ATOM_SRC_WORD16: | |
295 | val = U16(*ptr); | |
296 | (*ptr) += 2; | |
297 | if (print) | |
298 | DEBUG("IMM 0x%04X\n", val); | |
299 | return val; | |
300 | case ATOM_SRC_BYTE0: | |
301 | case ATOM_SRC_BYTE8: | |
302 | case ATOM_SRC_BYTE16: | |
303 | case ATOM_SRC_BYTE24: | |
304 | val = U8(*ptr); | |
305 | (*ptr)++; | |
306 | if (print) | |
307 | DEBUG("IMM 0x%02X\n", val); | |
308 | return val; | |
309 | } | |
310 | return 0; | |
311 | case ATOM_ARG_PLL: | |
312 | idx = U8(*ptr); | |
313 | (*ptr)++; | |
314 | if (print) | |
315 | DEBUG("PLL[0x%02X]", idx); | |
316 | val = gctx->card->pll_read(gctx->card, idx); | |
317 | break; | |
318 | case ATOM_ARG_MC: | |
319 | idx = U8(*ptr); | |
320 | (*ptr)++; | |
321 | if (print) | |
322 | DEBUG("MC[0x%02X]", idx); | |
323 | val = gctx->card->mc_read(gctx->card, idx); | |
324 | break; | |
325 | } | |
326 | if (saved) | |
327 | *saved = val; | |
328 | val &= atom_arg_mask[align]; | |
329 | val >>= atom_arg_shift[align]; | |
330 | if (print) | |
331 | switch (align) { | |
332 | case ATOM_SRC_DWORD: | |
333 | DEBUG(".[31:0] -> 0x%08X\n", val); | |
334 | break; | |
335 | case ATOM_SRC_WORD0: | |
336 | DEBUG(".[15:0] -> 0x%04X\n", val); | |
337 | break; | |
338 | case ATOM_SRC_WORD8: | |
339 | DEBUG(".[23:8] -> 0x%04X\n", val); | |
340 | break; | |
341 | case ATOM_SRC_WORD16: | |
342 | DEBUG(".[31:16] -> 0x%04X\n", val); | |
343 | break; | |
344 | case ATOM_SRC_BYTE0: | |
345 | DEBUG(".[7:0] -> 0x%02X\n", val); | |
346 | break; | |
347 | case ATOM_SRC_BYTE8: | |
348 | DEBUG(".[15:8] -> 0x%02X\n", val); | |
349 | break; | |
350 | case ATOM_SRC_BYTE16: | |
351 | DEBUG(".[23:16] -> 0x%02X\n", val); | |
352 | break; | |
353 | case ATOM_SRC_BYTE24: | |
354 | DEBUG(".[31:24] -> 0x%02X\n", val); | |
355 | break; | |
356 | } | |
357 | return val; | |
358 | } | |
359 | ||
360 | static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
361 | { | |
362 | uint32_t align = (attr >> 3) & 7, arg = attr & 7; | |
363 | switch (arg) { | |
364 | case ATOM_ARG_REG: | |
365 | case ATOM_ARG_ID: | |
366 | (*ptr) += 2; | |
367 | break; | |
368 | case ATOM_ARG_PLL: | |
369 | case ATOM_ARG_MC: | |
370 | case ATOM_ARG_PS: | |
371 | case ATOM_ARG_WS: | |
372 | case ATOM_ARG_FB: | |
373 | (*ptr)++; | |
374 | break; | |
375 | case ATOM_ARG_IMM: | |
376 | switch (align) { | |
377 | case ATOM_SRC_DWORD: | |
378 | (*ptr) += 4; | |
379 | return; | |
380 | case ATOM_SRC_WORD0: | |
381 | case ATOM_SRC_WORD8: | |
382 | case ATOM_SRC_WORD16: | |
383 | (*ptr) += 2; | |
384 | return; | |
385 | case ATOM_SRC_BYTE0: | |
386 | case ATOM_SRC_BYTE8: | |
387 | case ATOM_SRC_BYTE16: | |
388 | case ATOM_SRC_BYTE24: | |
389 | (*ptr)++; | |
390 | return; | |
391 | } | |
392 | return; | |
393 | } | |
394 | } | |
395 | ||
396 | static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr) | |
397 | { | |
398 | return atom_get_src_int(ctx, attr, ptr, NULL, 1); | |
399 | } | |
400 | ||
9f53e793 AD |
401 | static uint32_t atom_get_src_direct(atom_exec_context *ctx, uint8_t align, int *ptr) |
402 | { | |
403 | uint32_t val = 0xCDCDCDCD; | |
404 | ||
405 | switch (align) { | |
406 | case ATOM_SRC_DWORD: | |
407 | val = U32(*ptr); | |
408 | (*ptr) += 4; | |
409 | break; | |
410 | case ATOM_SRC_WORD0: | |
411 | case ATOM_SRC_WORD8: | |
412 | case ATOM_SRC_WORD16: | |
413 | val = U16(*ptr); | |
414 | (*ptr) += 2; | |
415 | break; | |
416 | case ATOM_SRC_BYTE0: | |
417 | case ATOM_SRC_BYTE8: | |
418 | case ATOM_SRC_BYTE16: | |
419 | case ATOM_SRC_BYTE24: | |
420 | val = U8(*ptr); | |
421 | (*ptr)++; | |
422 | break; | |
423 | } | |
424 | return val; | |
425 | } | |
426 | ||
771fe6b9 JG |
427 | static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr, |
428 | int *ptr, uint32_t *saved, int print) | |
429 | { | |
430 | return atom_get_src_int(ctx, | |
431 | arg | atom_dst_to_src[(attr >> 3) & | |
432 | 7][(attr >> 6) & 3] << 3, | |
433 | ptr, saved, print); | |
434 | } | |
435 | ||
436 | static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr) | |
437 | { | |
438 | atom_skip_src_int(ctx, | |
439 | arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & | |
440 | 3] << 3, ptr); | |
441 | } | |
442 | ||
443 | static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr, | |
444 | int *ptr, uint32_t val, uint32_t saved) | |
445 | { | |
446 | uint32_t align = | |
447 | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val = | |
448 | val, idx; | |
449 | struct atom_context *gctx = ctx->ctx; | |
450 | old_val &= atom_arg_mask[align] >> atom_arg_shift[align]; | |
451 | val <<= atom_arg_shift[align]; | |
452 | val &= atom_arg_mask[align]; | |
453 | saved &= ~atom_arg_mask[align]; | |
454 | val |= saved; | |
455 | switch (arg) { | |
456 | case ATOM_ARG_REG: | |
457 | idx = U16(*ptr); | |
458 | (*ptr) += 2; | |
459 | DEBUG("REG[0x%04X]", idx); | |
460 | idx += gctx->reg_block; | |
461 | switch (gctx->io_mode) { | |
462 | case ATOM_IO_MM: | |
463 | if (idx == 0) | |
464 | gctx->card->reg_write(gctx->card, idx, | |
465 | val << 2); | |
466 | else | |
467 | gctx->card->reg_write(gctx->card, idx, val); | |
468 | break; | |
469 | case ATOM_IO_PCI: | |
470 | printk(KERN_INFO | |
471 | "PCI registers are not implemented.\n"); | |
472 | return; | |
473 | case ATOM_IO_SYSIO: | |
474 | printk(KERN_INFO | |
475 | "SYSIO registers are not implemented.\n"); | |
476 | return; | |
477 | default: | |
478 | if (!(gctx->io_mode & 0x80)) { | |
479 | printk(KERN_INFO "Bad IO mode.\n"); | |
480 | return; | |
481 | } | |
482 | if (!gctx->iio[gctx->io_mode & 0xFF]) { | |
483 | printk(KERN_INFO | |
484 | "Undefined indirect IO write method %d.\n", | |
485 | gctx->io_mode & 0x7F); | |
486 | return; | |
487 | } | |
488 | atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF], | |
489 | idx, val); | |
490 | } | |
491 | break; | |
492 | case ATOM_ARG_PS: | |
493 | idx = U8(*ptr); | |
494 | (*ptr)++; | |
495 | DEBUG("PS[0x%02X]", idx); | |
496 | ctx->ps[idx] = cpu_to_le32(val); | |
497 | break; | |
498 | case ATOM_ARG_WS: | |
499 | idx = U8(*ptr); | |
500 | (*ptr)++; | |
501 | DEBUG("WS[0x%02X]", idx); | |
502 | switch (idx) { | |
503 | case ATOM_WS_QUOTIENT: | |
504 | gctx->divmul[0] = val; | |
505 | break; | |
506 | case ATOM_WS_REMAINDER: | |
507 | gctx->divmul[1] = val; | |
508 | break; | |
509 | case ATOM_WS_DATAPTR: | |
510 | gctx->data_block = val; | |
511 | break; | |
512 | case ATOM_WS_SHIFT: | |
513 | gctx->shift = val; | |
514 | break; | |
515 | case ATOM_WS_OR_MASK: | |
516 | case ATOM_WS_AND_MASK: | |
517 | break; | |
518 | case ATOM_WS_FB_WINDOW: | |
519 | gctx->fb_base = val; | |
520 | break; | |
521 | case ATOM_WS_ATTRIBUTES: | |
522 | gctx->io_attr = val; | |
523 | break; | |
e2f8e870 AD |
524 | case ATOM_WS_REGPTR: |
525 | gctx->reg_block = val; | |
526 | break; | |
771fe6b9 JG |
527 | default: |
528 | ctx->ws[idx] = val; | |
529 | } | |
530 | break; | |
531 | case ATOM_ARG_FB: | |
532 | idx = U8(*ptr); | |
533 | (*ptr)++; | |
d904ef9b | 534 | gctx->scratch[((gctx->fb_base + idx) / 4)] = val; |
771fe6b9 | 535 | DEBUG("FB[0x%02X]", idx); |
d904ef9b | 536 | break; |
771fe6b9 JG |
537 | case ATOM_ARG_PLL: |
538 | idx = U8(*ptr); | |
539 | (*ptr)++; | |
540 | DEBUG("PLL[0x%02X]", idx); | |
541 | gctx->card->pll_write(gctx->card, idx, val); | |
542 | break; | |
543 | case ATOM_ARG_MC: | |
544 | idx = U8(*ptr); | |
545 | (*ptr)++; | |
546 | DEBUG("MC[0x%02X]", idx); | |
547 | gctx->card->mc_write(gctx->card, idx, val); | |
548 | return; | |
549 | } | |
550 | switch (align) { | |
551 | case ATOM_SRC_DWORD: | |
552 | DEBUG(".[31:0] <- 0x%08X\n", old_val); | |
553 | break; | |
554 | case ATOM_SRC_WORD0: | |
555 | DEBUG(".[15:0] <- 0x%04X\n", old_val); | |
556 | break; | |
557 | case ATOM_SRC_WORD8: | |
558 | DEBUG(".[23:8] <- 0x%04X\n", old_val); | |
559 | break; | |
560 | case ATOM_SRC_WORD16: | |
561 | DEBUG(".[31:16] <- 0x%04X\n", old_val); | |
562 | break; | |
563 | case ATOM_SRC_BYTE0: | |
564 | DEBUG(".[7:0] <- 0x%02X\n", old_val); | |
565 | break; | |
566 | case ATOM_SRC_BYTE8: | |
567 | DEBUG(".[15:8] <- 0x%02X\n", old_val); | |
568 | break; | |
569 | case ATOM_SRC_BYTE16: | |
570 | DEBUG(".[23:16] <- 0x%02X\n", old_val); | |
571 | break; | |
572 | case ATOM_SRC_BYTE24: | |
573 | DEBUG(".[31:24] <- 0x%02X\n", old_val); | |
574 | break; | |
575 | } | |
576 | } | |
577 | ||
578 | static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg) | |
579 | { | |
580 | uint8_t attr = U8((*ptr)++); | |
581 | uint32_t dst, src, saved; | |
582 | int dptr = *ptr; | |
583 | SDEBUG(" dst: "); | |
584 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
585 | SDEBUG(" src: "); | |
586 | src = atom_get_src(ctx, attr, ptr); | |
587 | dst += src; | |
588 | SDEBUG(" dst: "); | |
589 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
590 | } | |
591 | ||
592 | static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg) | |
593 | { | |
594 | uint8_t attr = U8((*ptr)++); | |
595 | uint32_t dst, src, saved; | |
596 | int dptr = *ptr; | |
597 | SDEBUG(" dst: "); | |
598 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
599 | SDEBUG(" src: "); | |
600 | src = atom_get_src(ctx, attr, ptr); | |
601 | dst &= src; | |
602 | SDEBUG(" dst: "); | |
603 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
604 | } | |
605 | ||
606 | static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg) | |
607 | { | |
608 | printk("ATOM BIOS beeped!\n"); | |
609 | } | |
610 | ||
611 | static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg) | |
612 | { | |
613 | int idx = U8((*ptr)++); | |
c21b0fe6 JG |
614 | int r = 0; |
615 | ||
771fe6b9 JG |
616 | if (idx < ATOM_TABLE_NAMES_CNT) |
617 | SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]); | |
618 | else | |
619 | SDEBUG(" table: %d\n", idx); | |
620 | if (U16(ctx->ctx->cmd_table + 4 + 2 * idx)) | |
c21b0fe6 JG |
621 | r = atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift); |
622 | if (r) { | |
623 | ctx->abort = true; | |
624 | } | |
771fe6b9 JG |
625 | } |
626 | ||
627 | static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg) | |
628 | { | |
629 | uint8_t attr = U8((*ptr)++); | |
630 | uint32_t saved; | |
631 | int dptr = *ptr; | |
632 | attr &= 0x38; | |
633 | attr |= atom_def_dst[attr >> 3] << 6; | |
634 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
635 | SDEBUG(" dst: "); | |
636 | atom_put_dst(ctx, arg, attr, &dptr, 0, saved); | |
637 | } | |
638 | ||
639 | static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg) | |
640 | { | |
641 | uint8_t attr = U8((*ptr)++); | |
642 | uint32_t dst, src; | |
643 | SDEBUG(" src1: "); | |
644 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
645 | SDEBUG(" src2: "); | |
646 | src = atom_get_src(ctx, attr, ptr); | |
647 | ctx->ctx->cs_equal = (dst == src); | |
648 | ctx->ctx->cs_above = (dst > src); | |
649 | SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE", | |
650 | ctx->ctx->cs_above ? "GT" : "LE"); | |
651 | } | |
652 | ||
653 | static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg) | |
654 | { | |
2ec8a5fe | 655 | unsigned count = U8((*ptr)++); |
771fe6b9 JG |
656 | SDEBUG(" count: %d\n", count); |
657 | if (arg == ATOM_UNIT_MICROSEC) | |
01d45039 | 658 | udelay(count); |
771fe6b9 | 659 | else |
2ec8a5fe | 660 | msleep(count); |
771fe6b9 JG |
661 | } |
662 | ||
663 | static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg) | |
664 | { | |
665 | uint8_t attr = U8((*ptr)++); | |
666 | uint32_t dst, src; | |
667 | SDEBUG(" src1: "); | |
668 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
669 | SDEBUG(" src2: "); | |
670 | src = atom_get_src(ctx, attr, ptr); | |
671 | if (src != 0) { | |
672 | ctx->ctx->divmul[0] = dst / src; | |
673 | ctx->ctx->divmul[1] = dst % src; | |
674 | } else { | |
675 | ctx->ctx->divmul[0] = 0; | |
676 | ctx->ctx->divmul[1] = 0; | |
677 | } | |
678 | } | |
679 | ||
680 | static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg) | |
681 | { | |
682 | /* functionally, a nop */ | |
683 | } | |
684 | ||
685 | static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg) | |
686 | { | |
687 | int execute = 0, target = U16(*ptr); | |
c21b0fe6 JG |
688 | unsigned long cjiffies; |
689 | ||
771fe6b9 JG |
690 | (*ptr) += 2; |
691 | switch (arg) { | |
692 | case ATOM_COND_ABOVE: | |
693 | execute = ctx->ctx->cs_above; | |
694 | break; | |
695 | case ATOM_COND_ABOVEOREQUAL: | |
696 | execute = ctx->ctx->cs_above || ctx->ctx->cs_equal; | |
697 | break; | |
698 | case ATOM_COND_ALWAYS: | |
699 | execute = 1; | |
700 | break; | |
701 | case ATOM_COND_BELOW: | |
702 | execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal); | |
703 | break; | |
704 | case ATOM_COND_BELOWOREQUAL: | |
705 | execute = !ctx->ctx->cs_above; | |
706 | break; | |
707 | case ATOM_COND_EQUAL: | |
708 | execute = ctx->ctx->cs_equal; | |
709 | break; | |
710 | case ATOM_COND_NOTEQUAL: | |
711 | execute = !ctx->ctx->cs_equal; | |
712 | break; | |
713 | } | |
714 | if (arg != ATOM_COND_ALWAYS) | |
715 | SDEBUG(" taken: %s\n", execute ? "yes" : "no"); | |
716 | SDEBUG(" target: 0x%04X\n", target); | |
c21b0fe6 JG |
717 | if (execute) { |
718 | if (ctx->last_jump == (ctx->start + target)) { | |
719 | cjiffies = jiffies; | |
720 | if (time_after(cjiffies, ctx->last_jump_jiffies)) { | |
721 | cjiffies -= ctx->last_jump_jiffies; | |
9bd7ef5f AD |
722 | if ((jiffies_to_msecs(cjiffies) > 5000)) { |
723 | DRM_ERROR("atombios stuck in loop for more than 5secs aborting\n"); | |
c21b0fe6 JG |
724 | ctx->abort = true; |
725 | } | |
726 | } else { | |
727 | /* jiffies wrap around we will just wait a little longer */ | |
728 | ctx->last_jump_jiffies = jiffies; | |
729 | } | |
730 | } else { | |
731 | ctx->last_jump = ctx->start + target; | |
732 | ctx->last_jump_jiffies = jiffies; | |
733 | } | |
771fe6b9 | 734 | *ptr = ctx->start + target; |
c21b0fe6 | 735 | } |
771fe6b9 JG |
736 | } |
737 | ||
738 | static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg) | |
739 | { | |
740 | uint8_t attr = U8((*ptr)++); | |
7d6aa80c | 741 | uint32_t dst, mask, src, saved; |
771fe6b9 JG |
742 | int dptr = *ptr; |
743 | SDEBUG(" dst: "); | |
744 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
7d6aa80c AD |
745 | mask = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr); |
746 | SDEBUG(" mask: 0x%08x", mask); | |
747 | SDEBUG(" src: "); | |
748 | src = atom_get_src(ctx, attr, ptr); | |
749 | dst &= mask; | |
750 | dst |= src; | |
771fe6b9 JG |
751 | SDEBUG(" dst: "); |
752 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
753 | } | |
754 | ||
755 | static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg) | |
756 | { | |
757 | uint8_t attr = U8((*ptr)++); | |
758 | uint32_t src, saved; | |
759 | int dptr = *ptr; | |
760 | if (((attr >> 3) & 7) != ATOM_SRC_DWORD) | |
761 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); | |
762 | else { | |
763 | atom_skip_dst(ctx, arg, attr, ptr); | |
764 | saved = 0xCDCDCDCD; | |
765 | } | |
766 | SDEBUG(" src: "); | |
767 | src = atom_get_src(ctx, attr, ptr); | |
768 | SDEBUG(" dst: "); | |
769 | atom_put_dst(ctx, arg, attr, &dptr, src, saved); | |
770 | } | |
771 | ||
772 | static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg) | |
773 | { | |
774 | uint8_t attr = U8((*ptr)++); | |
775 | uint32_t dst, src; | |
776 | SDEBUG(" src1: "); | |
777 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
778 | SDEBUG(" src2: "); | |
779 | src = atom_get_src(ctx, attr, ptr); | |
780 | ctx->ctx->divmul[0] = dst * src; | |
781 | } | |
782 | ||
783 | static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg) | |
784 | { | |
785 | /* nothing */ | |
786 | } | |
787 | ||
788 | static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg) | |
789 | { | |
790 | uint8_t attr = U8((*ptr)++); | |
791 | uint32_t dst, src, saved; | |
792 | int dptr = *ptr; | |
793 | SDEBUG(" dst: "); | |
794 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
795 | SDEBUG(" src: "); | |
796 | src = atom_get_src(ctx, attr, ptr); | |
797 | dst |= src; | |
798 | SDEBUG(" dst: "); | |
799 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
800 | } | |
801 | ||
802 | static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg) | |
803 | { | |
804 | uint8_t val = U8((*ptr)++); | |
805 | SDEBUG("POST card output: 0x%02X\n", val); | |
806 | } | |
807 | ||
808 | static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg) | |
809 | { | |
810 | printk(KERN_INFO "unimplemented!\n"); | |
811 | } | |
812 | ||
813 | static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg) | |
814 | { | |
815 | printk(KERN_INFO "unimplemented!\n"); | |
816 | } | |
817 | ||
818 | static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg) | |
819 | { | |
820 | printk(KERN_INFO "unimplemented!\n"); | |
821 | } | |
822 | ||
823 | static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg) | |
824 | { | |
825 | int idx = U8(*ptr); | |
826 | (*ptr)++; | |
827 | SDEBUG(" block: %d\n", idx); | |
828 | if (!idx) | |
829 | ctx->ctx->data_block = 0; | |
830 | else if (idx == 255) | |
831 | ctx->ctx->data_block = ctx->start; | |
832 | else | |
833 | ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx); | |
834 | SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block); | |
835 | } | |
836 | ||
837 | static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg) | |
838 | { | |
839 | uint8_t attr = U8((*ptr)++); | |
840 | SDEBUG(" fb_base: "); | |
841 | ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr); | |
842 | } | |
843 | ||
844 | static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg) | |
845 | { | |
846 | int port; | |
847 | switch (arg) { | |
848 | case ATOM_PORT_ATI: | |
849 | port = U16(*ptr); | |
850 | if (port < ATOM_IO_NAMES_CNT) | |
851 | SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]); | |
852 | else | |
853 | SDEBUG(" port: %d\n", port); | |
854 | if (!port) | |
855 | ctx->ctx->io_mode = ATOM_IO_MM; | |
856 | else | |
857 | ctx->ctx->io_mode = ATOM_IO_IIO | port; | |
858 | (*ptr) += 2; | |
859 | break; | |
860 | case ATOM_PORT_PCI: | |
861 | ctx->ctx->io_mode = ATOM_IO_PCI; | |
862 | (*ptr)++; | |
863 | break; | |
864 | case ATOM_PORT_SYSIO: | |
865 | ctx->ctx->io_mode = ATOM_IO_SYSIO; | |
866 | (*ptr)++; | |
867 | break; | |
868 | } | |
869 | } | |
870 | ||
871 | static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg) | |
872 | { | |
873 | ctx->ctx->reg_block = U16(*ptr); | |
874 | (*ptr) += 2; | |
875 | SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block); | |
876 | } | |
877 | ||
9f53e793 AD |
878 | static void atom_op_shift_left(atom_exec_context *ctx, int *ptr, int arg) |
879 | { | |
880 | uint8_t attr = U8((*ptr)++), shift; | |
881 | uint32_t saved, dst; | |
882 | int dptr = *ptr; | |
883 | attr &= 0x38; | |
884 | attr |= atom_def_dst[attr >> 3] << 6; | |
885 | SDEBUG(" dst: "); | |
886 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
887 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
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_shift_right(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; | |
899 | attr &= 0x38; | |
900 | attr |= atom_def_dst[attr >> 3] << 6; | |
901 | SDEBUG(" dst: "); | |
902 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
903 | shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr); | |
904 | SDEBUG(" shift: %d\n", shift); | |
905 | dst >>= shift; | |
906 | SDEBUG(" dst: "); | |
907 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
908 | } | |
909 | ||
771fe6b9 JG |
910 | static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg) |
911 | { | |
912 | uint8_t attr = U8((*ptr)++), shift; | |
913 | uint32_t saved, dst; | |
914 | int dptr = *ptr; | |
65384a1d | 915 | uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; |
771fe6b9 JG |
916 | SDEBUG(" dst: "); |
917 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
65384a1d AD |
918 | /* op needs to full dst value */ |
919 | dst = saved; | |
9f53e793 | 920 | shift = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
921 | SDEBUG(" shift: %d\n", shift); |
922 | dst <<= shift; | |
65384a1d AD |
923 | dst &= atom_arg_mask[dst_align]; |
924 | dst >>= atom_arg_shift[dst_align]; | |
771fe6b9 JG |
925 | SDEBUG(" dst: "); |
926 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
927 | } | |
928 | ||
929 | static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg) | |
930 | { | |
931 | uint8_t attr = U8((*ptr)++), shift; | |
932 | uint32_t saved, dst; | |
933 | int dptr = *ptr; | |
65384a1d | 934 | uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; |
771fe6b9 JG |
935 | SDEBUG(" dst: "); |
936 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
65384a1d AD |
937 | /* op needs to full dst value */ |
938 | dst = saved; | |
9f53e793 | 939 | shift = atom_get_src(ctx, attr, ptr); |
771fe6b9 JG |
940 | SDEBUG(" shift: %d\n", shift); |
941 | dst >>= shift; | |
65384a1d AD |
942 | dst &= atom_arg_mask[dst_align]; |
943 | dst >>= atom_arg_shift[dst_align]; | |
771fe6b9 JG |
944 | SDEBUG(" dst: "); |
945 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
946 | } | |
947 | ||
948 | static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg) | |
949 | { | |
950 | uint8_t attr = U8((*ptr)++); | |
951 | uint32_t dst, src, saved; | |
952 | int dptr = *ptr; | |
953 | SDEBUG(" dst: "); | |
954 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
955 | SDEBUG(" src: "); | |
956 | src = atom_get_src(ctx, attr, ptr); | |
957 | dst -= src; | |
958 | SDEBUG(" dst: "); | |
959 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
960 | } | |
961 | ||
962 | static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg) | |
963 | { | |
964 | uint8_t attr = U8((*ptr)++); | |
965 | uint32_t src, val, target; | |
966 | SDEBUG(" switch: "); | |
967 | src = atom_get_src(ctx, attr, ptr); | |
968 | while (U16(*ptr) != ATOM_CASE_END) | |
969 | if (U8(*ptr) == ATOM_CASE_MAGIC) { | |
970 | (*ptr)++; | |
971 | SDEBUG(" case: "); | |
972 | val = | |
973 | atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM, | |
974 | ptr); | |
975 | target = U16(*ptr); | |
976 | if (val == src) { | |
977 | SDEBUG(" target: %04X\n", target); | |
978 | *ptr = ctx->start + target; | |
979 | return; | |
980 | } | |
981 | (*ptr) += 2; | |
982 | } else { | |
983 | printk(KERN_INFO "Bad case.\n"); | |
984 | return; | |
985 | } | |
986 | (*ptr) += 2; | |
987 | } | |
988 | ||
989 | static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg) | |
990 | { | |
991 | uint8_t attr = U8((*ptr)++); | |
992 | uint32_t dst, src; | |
993 | SDEBUG(" src1: "); | |
994 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); | |
995 | SDEBUG(" src2: "); | |
996 | src = atom_get_src(ctx, attr, ptr); | |
997 | ctx->ctx->cs_equal = ((dst & src) == 0); | |
998 | SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE"); | |
999 | } | |
1000 | ||
1001 | static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg) | |
1002 | { | |
1003 | uint8_t attr = U8((*ptr)++); | |
1004 | uint32_t dst, src, saved; | |
1005 | int dptr = *ptr; | |
1006 | SDEBUG(" dst: "); | |
1007 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); | |
1008 | SDEBUG(" src: "); | |
1009 | src = atom_get_src(ctx, attr, ptr); | |
1010 | dst ^= src; | |
1011 | SDEBUG(" dst: "); | |
1012 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); | |
1013 | } | |
1014 | ||
1015 | static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg) | |
1016 | { | |
1017 | printk(KERN_INFO "unimplemented!\n"); | |
1018 | } | |
1019 | ||
1020 | static struct { | |
1021 | void (*func) (atom_exec_context *, int *, int); | |
1022 | int arg; | |
1023 | } opcode_table[ATOM_OP_CNT] = { | |
1024 | { | |
1025 | NULL, 0}, { | |
1026 | atom_op_move, ATOM_ARG_REG}, { | |
1027 | atom_op_move, ATOM_ARG_PS}, { | |
1028 | atom_op_move, ATOM_ARG_WS}, { | |
1029 | atom_op_move, ATOM_ARG_FB}, { | |
1030 | atom_op_move, ATOM_ARG_PLL}, { | |
1031 | atom_op_move, ATOM_ARG_MC}, { | |
1032 | atom_op_and, ATOM_ARG_REG}, { | |
1033 | atom_op_and, ATOM_ARG_PS}, { | |
1034 | atom_op_and, ATOM_ARG_WS}, { | |
1035 | atom_op_and, ATOM_ARG_FB}, { | |
1036 | atom_op_and, ATOM_ARG_PLL}, { | |
1037 | atom_op_and, ATOM_ARG_MC}, { | |
1038 | atom_op_or, ATOM_ARG_REG}, { | |
1039 | atom_op_or, ATOM_ARG_PS}, { | |
1040 | atom_op_or, ATOM_ARG_WS}, { | |
1041 | atom_op_or, ATOM_ARG_FB}, { | |
1042 | atom_op_or, ATOM_ARG_PLL}, { | |
1043 | atom_op_or, ATOM_ARG_MC}, { | |
9f53e793 AD |
1044 | atom_op_shift_left, ATOM_ARG_REG}, { |
1045 | atom_op_shift_left, ATOM_ARG_PS}, { | |
1046 | atom_op_shift_left, ATOM_ARG_WS}, { | |
1047 | atom_op_shift_left, ATOM_ARG_FB}, { | |
1048 | atom_op_shift_left, ATOM_ARG_PLL}, { | |
1049 | atom_op_shift_left, ATOM_ARG_MC}, { | |
1050 | atom_op_shift_right, ATOM_ARG_REG}, { | |
1051 | atom_op_shift_right, ATOM_ARG_PS}, { | |
1052 | atom_op_shift_right, ATOM_ARG_WS}, { | |
1053 | atom_op_shift_right, ATOM_ARG_FB}, { | |
1054 | atom_op_shift_right, ATOM_ARG_PLL}, { | |
1055 | atom_op_shift_right, ATOM_ARG_MC}, { | |
771fe6b9 JG |
1056 | atom_op_mul, ATOM_ARG_REG}, { |
1057 | atom_op_mul, ATOM_ARG_PS}, { | |
1058 | atom_op_mul, ATOM_ARG_WS}, { | |
1059 | atom_op_mul, ATOM_ARG_FB}, { | |
1060 | atom_op_mul, ATOM_ARG_PLL}, { | |
1061 | atom_op_mul, ATOM_ARG_MC}, { | |
1062 | atom_op_div, ATOM_ARG_REG}, { | |
1063 | atom_op_div, ATOM_ARG_PS}, { | |
1064 | atom_op_div, ATOM_ARG_WS}, { | |
1065 | atom_op_div, ATOM_ARG_FB}, { | |
1066 | atom_op_div, ATOM_ARG_PLL}, { | |
1067 | atom_op_div, ATOM_ARG_MC}, { | |
1068 | atom_op_add, ATOM_ARG_REG}, { | |
1069 | atom_op_add, ATOM_ARG_PS}, { | |
1070 | atom_op_add, ATOM_ARG_WS}, { | |
1071 | atom_op_add, ATOM_ARG_FB}, { | |
1072 | atom_op_add, ATOM_ARG_PLL}, { | |
1073 | atom_op_add, ATOM_ARG_MC}, { | |
1074 | atom_op_sub, ATOM_ARG_REG}, { | |
1075 | atom_op_sub, ATOM_ARG_PS}, { | |
1076 | atom_op_sub, ATOM_ARG_WS}, { | |
1077 | atom_op_sub, ATOM_ARG_FB}, { | |
1078 | atom_op_sub, ATOM_ARG_PLL}, { | |
1079 | atom_op_sub, ATOM_ARG_MC}, { | |
1080 | atom_op_setport, ATOM_PORT_ATI}, { | |
1081 | atom_op_setport, ATOM_PORT_PCI}, { | |
1082 | atom_op_setport, ATOM_PORT_SYSIO}, { | |
1083 | atom_op_setregblock, 0}, { | |
1084 | atom_op_setfbbase, 0}, { | |
1085 | atom_op_compare, ATOM_ARG_REG}, { | |
1086 | atom_op_compare, ATOM_ARG_PS}, { | |
1087 | atom_op_compare, ATOM_ARG_WS}, { | |
1088 | atom_op_compare, ATOM_ARG_FB}, { | |
1089 | atom_op_compare, ATOM_ARG_PLL}, { | |
1090 | atom_op_compare, ATOM_ARG_MC}, { | |
1091 | atom_op_switch, 0}, { | |
1092 | atom_op_jump, ATOM_COND_ALWAYS}, { | |
1093 | atom_op_jump, ATOM_COND_EQUAL}, { | |
1094 | atom_op_jump, ATOM_COND_BELOW}, { | |
1095 | atom_op_jump, ATOM_COND_ABOVE}, { | |
1096 | atom_op_jump, ATOM_COND_BELOWOREQUAL}, { | |
1097 | atom_op_jump, ATOM_COND_ABOVEOREQUAL}, { | |
1098 | atom_op_jump, ATOM_COND_NOTEQUAL}, { | |
1099 | atom_op_test, ATOM_ARG_REG}, { | |
1100 | atom_op_test, ATOM_ARG_PS}, { | |
1101 | atom_op_test, ATOM_ARG_WS}, { | |
1102 | atom_op_test, ATOM_ARG_FB}, { | |
1103 | atom_op_test, ATOM_ARG_PLL}, { | |
1104 | atom_op_test, ATOM_ARG_MC}, { | |
1105 | atom_op_delay, ATOM_UNIT_MILLISEC}, { | |
1106 | atom_op_delay, ATOM_UNIT_MICROSEC}, { | |
1107 | atom_op_calltable, 0}, { | |
1108 | atom_op_repeat, 0}, { | |
1109 | atom_op_clear, ATOM_ARG_REG}, { | |
1110 | atom_op_clear, ATOM_ARG_PS}, { | |
1111 | atom_op_clear, ATOM_ARG_WS}, { | |
1112 | atom_op_clear, ATOM_ARG_FB}, { | |
1113 | atom_op_clear, ATOM_ARG_PLL}, { | |
1114 | atom_op_clear, ATOM_ARG_MC}, { | |
1115 | atom_op_nop, 0}, { | |
1116 | atom_op_eot, 0}, { | |
1117 | atom_op_mask, ATOM_ARG_REG}, { | |
1118 | atom_op_mask, ATOM_ARG_PS}, { | |
1119 | atom_op_mask, ATOM_ARG_WS}, { | |
1120 | atom_op_mask, ATOM_ARG_FB}, { | |
1121 | atom_op_mask, ATOM_ARG_PLL}, { | |
1122 | atom_op_mask, ATOM_ARG_MC}, { | |
1123 | atom_op_postcard, 0}, { | |
1124 | atom_op_beep, 0}, { | |
1125 | atom_op_savereg, 0}, { | |
1126 | atom_op_restorereg, 0}, { | |
1127 | atom_op_setdatablock, 0}, { | |
1128 | atom_op_xor, ATOM_ARG_REG}, { | |
1129 | atom_op_xor, ATOM_ARG_PS}, { | |
1130 | atom_op_xor, ATOM_ARG_WS}, { | |
1131 | atom_op_xor, ATOM_ARG_FB}, { | |
1132 | atom_op_xor, ATOM_ARG_PLL}, { | |
1133 | atom_op_xor, ATOM_ARG_MC}, { | |
1134 | atom_op_shl, ATOM_ARG_REG}, { | |
1135 | atom_op_shl, ATOM_ARG_PS}, { | |
1136 | atom_op_shl, ATOM_ARG_WS}, { | |
1137 | atom_op_shl, ATOM_ARG_FB}, { | |
1138 | atom_op_shl, ATOM_ARG_PLL}, { | |
1139 | atom_op_shl, ATOM_ARG_MC}, { | |
1140 | atom_op_shr, ATOM_ARG_REG}, { | |
1141 | atom_op_shr, ATOM_ARG_PS}, { | |
1142 | atom_op_shr, ATOM_ARG_WS}, { | |
1143 | atom_op_shr, ATOM_ARG_FB}, { | |
1144 | atom_op_shr, ATOM_ARG_PLL}, { | |
1145 | atom_op_shr, ATOM_ARG_MC}, { | |
1146 | atom_op_debug, 0},}; | |
1147 | ||
c21b0fe6 | 1148 | static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params) |
771fe6b9 JG |
1149 | { |
1150 | int base = CU16(ctx->cmd_table + 4 + 2 * index); | |
1151 | int len, ws, ps, ptr; | |
1152 | unsigned char op; | |
1153 | atom_exec_context ectx; | |
01a356fd | 1154 | int ret = 0; |
771fe6b9 JG |
1155 | |
1156 | if (!base) | |
c21b0fe6 | 1157 | return -EINVAL; |
771fe6b9 JG |
1158 | |
1159 | len = CU16(base + ATOM_CT_SIZE_PTR); | |
1160 | ws = CU8(base + ATOM_CT_WS_PTR); | |
1161 | ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK; | |
1162 | ptr = base + ATOM_CT_CODE_PTR; | |
1163 | ||
1164 | SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps); | |
1165 | ||
771fe6b9 JG |
1166 | ectx.ctx = ctx; |
1167 | ectx.ps_shift = ps / 4; | |
1168 | ectx.start = base; | |
1169 | ectx.ps = params; | |
c21b0fe6 JG |
1170 | ectx.abort = false; |
1171 | ectx.last_jump = 0; | |
771fe6b9 JG |
1172 | if (ws) |
1173 | ectx.ws = kzalloc(4 * ws, GFP_KERNEL); | |
1174 | else | |
1175 | ectx.ws = NULL; | |
1176 | ||
1177 | debug_depth++; | |
1178 | while (1) { | |
1179 | op = CU8(ptr++); | |
1180 | if (op < ATOM_OP_NAMES_CNT) | |
1181 | SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1); | |
1182 | else | |
1183 | SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1); | |
c21b0fe6 JG |
1184 | if (ectx.abort) { |
1185 | DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n", | |
1186 | base, len, ws, ps, ptr - 1); | |
01a356fd DC |
1187 | ret = -EINVAL; |
1188 | goto free; | |
c21b0fe6 | 1189 | } |
771fe6b9 JG |
1190 | |
1191 | if (op < ATOM_OP_CNT && op > 0) | |
1192 | opcode_table[op].func(&ectx, &ptr, | |
1193 | opcode_table[op].arg); | |
1194 | else | |
1195 | break; | |
1196 | ||
1197 | if (op == ATOM_OP_EOT) | |
1198 | break; | |
1199 | } | |
1200 | debug_depth--; | |
1201 | SDEBUG("<<\n"); | |
1202 | ||
01a356fd | 1203 | free: |
771fe6b9 JG |
1204 | if (ws) |
1205 | kfree(ectx.ws); | |
01a356fd | 1206 | return ret; |
771fe6b9 JG |
1207 | } |
1208 | ||
c21b0fe6 | 1209 | int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) |
c31ad97f | 1210 | { |
c21b0fe6 JG |
1211 | int r; |
1212 | ||
c31ad97f | 1213 | mutex_lock(&ctx->mutex); |
947bfc83 AD |
1214 | /* reset reg block */ |
1215 | ctx->reg_block = 0; | |
1216 | /* reset fb window */ | |
1217 | ctx->fb_base = 0; | |
1218 | /* reset io mode */ | |
1219 | ctx->io_mode = ATOM_IO_MM; | |
c21b0fe6 | 1220 | r = atom_execute_table_locked(ctx, index, params); |
c31ad97f | 1221 | mutex_unlock(&ctx->mutex); |
c21b0fe6 | 1222 | return r; |
c31ad97f RM |
1223 | } |
1224 | ||
771fe6b9 JG |
1225 | static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 }; |
1226 | ||
1227 | static void atom_index_iio(struct atom_context *ctx, int base) | |
1228 | { | |
1229 | ctx->iio = kzalloc(2 * 256, GFP_KERNEL); | |
1230 | while (CU8(base) == ATOM_IIO_START) { | |
1231 | ctx->iio[CU8(base + 1)] = base + 2; | |
1232 | base += 2; | |
1233 | while (CU8(base) != ATOM_IIO_END) | |
1234 | base += atom_iio_len[CU8(base)]; | |
1235 | base += 3; | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | struct atom_context *atom_parse(struct card_info *card, void *bios) | |
1240 | { | |
1241 | int base; | |
1242 | struct atom_context *ctx = | |
1243 | kzalloc(sizeof(struct atom_context), GFP_KERNEL); | |
1244 | char *str; | |
1245 | char name[512]; | |
1246 | int i; | |
1247 | ||
1248 | ctx->card = card; | |
1249 | ctx->bios = bios; | |
1250 | ||
1251 | if (CU16(0) != ATOM_BIOS_MAGIC) { | |
1252 | printk(KERN_INFO "Invalid BIOS magic.\n"); | |
1253 | kfree(ctx); | |
1254 | return NULL; | |
1255 | } | |
1256 | if (strncmp | |
1257 | (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC, | |
1258 | strlen(ATOM_ATI_MAGIC))) { | |
1259 | printk(KERN_INFO "Invalid ATI magic.\n"); | |
1260 | kfree(ctx); | |
1261 | return NULL; | |
1262 | } | |
1263 | ||
1264 | base = CU16(ATOM_ROM_TABLE_PTR); | |
1265 | if (strncmp | |
1266 | (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC, | |
1267 | strlen(ATOM_ROM_MAGIC))) { | |
1268 | printk(KERN_INFO "Invalid ATOM magic.\n"); | |
1269 | kfree(ctx); | |
1270 | return NULL; | |
1271 | } | |
1272 | ||
1273 | ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR); | |
1274 | ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR); | |
1275 | atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4); | |
1276 | ||
1277 | str = CSTR(CU16(base + ATOM_ROM_MSG_PTR)); | |
1278 | while (*str && ((*str == '\n') || (*str == '\r'))) | |
1279 | str++; | |
1280 | /* name string isn't always 0 terminated */ | |
1281 | for (i = 0; i < 511; i++) { | |
1282 | name[i] = str[i]; | |
1283 | if (name[i] < '.' || name[i] > 'z') { | |
1284 | name[i] = 0; | |
1285 | break; | |
1286 | } | |
1287 | } | |
1288 | printk(KERN_INFO "ATOM BIOS: %s\n", name); | |
1289 | ||
1290 | return ctx; | |
1291 | } | |
1292 | ||
1293 | int atom_asic_init(struct atom_context *ctx) | |
1294 | { | |
1295 | int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR); | |
1296 | uint32_t ps[16]; | |
1297 | memset(ps, 0, 64); | |
1298 | ||
1299 | ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR)); | |
1300 | ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR)); | |
1301 | if (!ps[0] || !ps[1]) | |
1302 | return 1; | |
1303 | ||
1304 | if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT)) | |
1305 | return 1; | |
c21b0fe6 | 1306 | return atom_execute_table(ctx, ATOM_CMD_INIT, ps); |
771fe6b9 JG |
1307 | } |
1308 | ||
1309 | void atom_destroy(struct atom_context *ctx) | |
1310 | { | |
1311 | if (ctx->iio) | |
1312 | kfree(ctx->iio); | |
1313 | kfree(ctx); | |
1314 | } | |
1315 | ||
a084e6ee | 1316 | bool atom_parse_data_header(struct atom_context *ctx, int index, |
771fe6b9 JG |
1317 | uint16_t * size, uint8_t * frev, uint8_t * crev, |
1318 | uint16_t * data_start) | |
1319 | { | |
1320 | int offset = index * 2 + 4; | |
1321 | int idx = CU16(ctx->data_table + offset); | |
a084e6ee AD |
1322 | u16 *mdt = (u16 *)(ctx->bios + ctx->data_table + 4); |
1323 | ||
1324 | if (!mdt[index]) | |
1325 | return false; | |
771fe6b9 JG |
1326 | |
1327 | if (size) | |
1328 | *size = CU16(idx); | |
1329 | if (frev) | |
1330 | *frev = CU8(idx + 2); | |
1331 | if (crev) | |
1332 | *crev = CU8(idx + 3); | |
1333 | *data_start = idx; | |
a084e6ee | 1334 | return true; |
771fe6b9 JG |
1335 | } |
1336 | ||
a084e6ee | 1337 | bool atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev, |
771fe6b9 JG |
1338 | uint8_t * crev) |
1339 | { | |
1340 | int offset = index * 2 + 4; | |
1341 | int idx = CU16(ctx->cmd_table + offset); | |
a084e6ee AD |
1342 | u16 *mct = (u16 *)(ctx->bios + ctx->cmd_table + 4); |
1343 | ||
1344 | if (!mct[index]) | |
1345 | return false; | |
771fe6b9 JG |
1346 | |
1347 | if (frev) | |
1348 | *frev = CU8(idx + 2); | |
1349 | if (crev) | |
1350 | *crev = CU8(idx + 3); | |
a084e6ee | 1351 | return true; |
771fe6b9 | 1352 | } |
5801ead6 AD |
1353 | |
1354 | int atom_allocate_fb_scratch(struct atom_context *ctx) | |
1355 | { | |
1356 | int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware); | |
1357 | uint16_t data_offset; | |
a084e6ee | 1358 | int usage_bytes = 0; |
5801ead6 AD |
1359 | struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage; |
1360 | ||
a084e6ee AD |
1361 | if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { |
1362 | firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset); | |
5801ead6 | 1363 | |
a084e6ee AD |
1364 | DRM_DEBUG("atom firmware requested %08x %dkb\n", |
1365 | firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware, | |
1366 | firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb); | |
5801ead6 | 1367 | |
a084e6ee AD |
1368 | usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024; |
1369 | } | |
5801ead6 AD |
1370 | if (usage_bytes == 0) |
1371 | usage_bytes = 20 * 1024; | |
1372 | /* allocate some scratch memory */ | |
1373 | ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL); | |
1374 | if (!ctx->scratch) | |
1375 | return -ENOMEM; | |
1376 | return 0; | |
1377 | } |