Rev 1179 | Rev 1321 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1117 | serge | 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 | |||
1179 | serge | 25 | #include |
26 | #include |
||
1117 | serge | 27 | |
28 | #define ATOM_DEBUG |
||
29 | |||
30 | #include "atom.h" |
||
31 | #include "atom-names.h" |
||
32 | #include "atom-bits.h" |
||
33 | |||
34 | #define ATOM_COND_ABOVE 0 |
||
35 | #define ATOM_COND_ABOVEOREQUAL 1 |
||
36 | #define ATOM_COND_ALWAYS 2 |
||
37 | #define ATOM_COND_BELOW 3 |
||
38 | #define ATOM_COND_BELOWOREQUAL 4 |
||
39 | #define ATOM_COND_EQUAL 5 |
||
40 | #define ATOM_COND_NOTEQUAL 6 |
||
41 | |||
42 | #define ATOM_PORT_ATI 0 |
||
43 | #define ATOM_PORT_PCI 1 |
||
44 | #define ATOM_PORT_SYSIO 2 |
||
45 | |||
46 | #define ATOM_UNIT_MICROSEC 0 |
||
47 | #define ATOM_UNIT_MILLISEC 1 |
||
48 | |||
49 | #define PLL_INDEX 2 |
||
50 | #define PLL_DATA 3 |
||
51 | |||
52 | typedef struct { |
||
53 | struct atom_context *ctx; |
||
54 | |||
55 | uint32_t *ps, *ws; |
||
56 | int ps_shift; |
||
57 | uint16_t start; |
||
58 | } atom_exec_context; |
||
59 | |||
60 | int atom_debug = 0; |
||
61 | void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params); |
||
62 | |||
63 | static uint32_t atom_arg_mask[8] = |
||
64 | { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000, |
||
65 | 0xFF000000 }; |
||
66 | static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 }; |
||
67 | |||
68 | static int atom_dst_to_src[8][4] = { |
||
69 | /* translate destination alignment field to the source alignment encoding */ |
||
70 | {0, 0, 0, 0}, |
||
71 | {1, 2, 3, 0}, |
||
72 | {1, 2, 3, 0}, |
||
73 | {1, 2, 3, 0}, |
||
74 | {4, 5, 6, 7}, |
||
75 | {4, 5, 6, 7}, |
||
76 | {4, 5, 6, 7}, |
||
77 | {4, 5, 6, 7}, |
||
78 | }; |
||
79 | static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 }; |
||
80 | |||
81 | static int debug_depth = 0; |
||
82 | #ifdef ATOM_DEBUG |
||
83 | static void debug_print_spaces(int n) |
||
84 | { |
||
85 | while (n--) |
||
86 | printk(" "); |
||
87 | } |
||
88 | |||
89 | #define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0) |
||
90 | #define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0) |
||
91 | #else |
||
92 | #define DEBUG(...) do { } while (0) |
||
93 | #define SDEBUG(...) do { } while (0) |
||
94 | #endif |
||
95 | |||
96 | static uint32_t atom_iio_execute(struct atom_context *ctx, int base, |
||
97 | uint32_t index, uint32_t data) |
||
98 | { |
||
99 | uint32_t temp = 0xCDCDCDCD; |
||
100 | while (1) |
||
101 | switch (CU8(base)) { |
||
102 | case ATOM_IIO_NOP: |
||
103 | base++; |
||
104 | break; |
||
105 | case ATOM_IIO_READ: |
||
106 | temp = ctx->card->reg_read(ctx->card, CU16(base + 1)); |
||
107 | base += 3; |
||
108 | break; |
||
109 | case ATOM_IIO_WRITE: |
||
1313 | serge | 110 | (void)ctx->card->reg_read(ctx->card, CU16(base + 1)); |
1117 | serge | 111 | ctx->card->reg_write(ctx->card, CU16(base + 1), temp); |
112 | base += 3; |
||
113 | break; |
||
114 | case ATOM_IIO_CLEAR: |
||
115 | temp &= |
||
116 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << |
||
117 | CU8(base + 2)); |
||
118 | base += 3; |
||
119 | break; |
||
120 | case ATOM_IIO_SET: |
||
121 | temp |= |
||
122 | (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base + |
||
123 | 2); |
||
124 | base += 3; |
||
125 | break; |
||
126 | case ATOM_IIO_MOVE_INDEX: |
||
127 | temp &= |
||
128 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << |
||
129 | CU8(base + 2)); |
||
130 | temp |= |
||
131 | ((index >> CU8(base + 2)) & |
||
132 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + |
||
133 | 3); |
||
134 | base += 4; |
||
135 | break; |
||
136 | case ATOM_IIO_MOVE_DATA: |
||
137 | temp &= |
||
138 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << |
||
139 | CU8(base + 2)); |
||
140 | temp |= |
||
141 | ((data >> CU8(base + 2)) & |
||
142 | (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base + |
||
143 | 3); |
||
144 | base += 4; |
||
145 | break; |
||
146 | case ATOM_IIO_MOVE_ATTR: |
||
147 | temp &= |
||
148 | ~((0xFFFFFFFF >> (32 - CU8(base + 1))) << |
||
149 | CU8(base + 2)); |
||
150 | temp |= |
||
151 | ((ctx-> |
||
152 | io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 - |
||
153 | CU8 |
||
154 | (base |
||
155 | + |
||
156 | 1)))) |
||
157 | << CU8(base + 3); |
||
158 | base += 4; |
||
159 | break; |
||
160 | case ATOM_IIO_END: |
||
161 | return temp; |
||
162 | default: |
||
163 | printk(KERN_INFO "Unknown IIO opcode.\n"); |
||
164 | return 0; |
||
165 | } |
||
166 | } |
||
167 | |||
168 | static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, |
||
169 | int *ptr, uint32_t *saved, int print) |
||
170 | { |
||
171 | uint32_t idx, val = 0xCDCDCDCD, align, arg; |
||
172 | struct atom_context *gctx = ctx->ctx; |
||
173 | arg = attr & 7; |
||
174 | align = (attr >> 3) & 7; |
||
175 | switch (arg) { |
||
176 | case ATOM_ARG_REG: |
||
177 | idx = U16(*ptr); |
||
178 | (*ptr) += 2; |
||
179 | if (print) |
||
180 | DEBUG("REG[0x%04X]", idx); |
||
181 | idx += gctx->reg_block; |
||
182 | switch (gctx->io_mode) { |
||
183 | case ATOM_IO_MM: |
||
184 | val = gctx->card->reg_read(gctx->card, idx); |
||
185 | break; |
||
186 | case ATOM_IO_PCI: |
||
187 | printk(KERN_INFO |
||
188 | "PCI registers are not implemented.\n"); |
||
189 | return 0; |
||
190 | case ATOM_IO_SYSIO: |
||
191 | printk(KERN_INFO |
||
192 | "SYSIO registers are not implemented.\n"); |
||
193 | return 0; |
||
194 | default: |
||
195 | if (!(gctx->io_mode & 0x80)) { |
||
196 | printk(KERN_INFO "Bad IO mode.\n"); |
||
197 | return 0; |
||
198 | } |
||
199 | if (!gctx->iio[gctx->io_mode & 0x7F]) { |
||
200 | printk(KERN_INFO |
||
201 | "Undefined indirect IO read method %d.\n", |
||
202 | gctx->io_mode & 0x7F); |
||
203 | return 0; |
||
204 | } |
||
205 | val = |
||
206 | atom_iio_execute(gctx, |
||
207 | gctx->iio[gctx->io_mode & 0x7F], |
||
208 | idx, 0); |
||
209 | } |
||
210 | break; |
||
211 | case ATOM_ARG_PS: |
||
212 | idx = U8(*ptr); |
||
213 | (*ptr)++; |
||
214 | val = le32_to_cpu(ctx->ps[idx]); |
||
215 | if (print) |
||
216 | DEBUG("PS[0x%02X,0x%04X]", idx, val); |
||
217 | break; |
||
218 | case ATOM_ARG_WS: |
||
219 | idx = U8(*ptr); |
||
220 | (*ptr)++; |
||
221 | if (print) |
||
222 | DEBUG("WS[0x%02X]", idx); |
||
223 | switch (idx) { |
||
224 | case ATOM_WS_QUOTIENT: |
||
225 | val = gctx->divmul[0]; |
||
226 | break; |
||
227 | case ATOM_WS_REMAINDER: |
||
228 | val = gctx->divmul[1]; |
||
229 | break; |
||
230 | case ATOM_WS_DATAPTR: |
||
231 | val = gctx->data_block; |
||
232 | break; |
||
233 | case ATOM_WS_SHIFT: |
||
234 | val = gctx->shift; |
||
235 | break; |
||
236 | case ATOM_WS_OR_MASK: |
||
237 | val = 1 << gctx->shift; |
||
238 | break; |
||
239 | case ATOM_WS_AND_MASK: |
||
240 | val = ~(1 << gctx->shift); |
||
241 | break; |
||
242 | case ATOM_WS_FB_WINDOW: |
||
243 | val = gctx->fb_base; |
||
244 | break; |
||
245 | case ATOM_WS_ATTRIBUTES: |
||
246 | val = gctx->io_attr; |
||
247 | break; |
||
248 | default: |
||
249 | val = ctx->ws[idx]; |
||
250 | } |
||
251 | break; |
||
252 | case ATOM_ARG_ID: |
||
253 | idx = U16(*ptr); |
||
254 | (*ptr) += 2; |
||
255 | if (print) { |
||
256 | if (gctx->data_block) |
||
257 | DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block); |
||
258 | else |
||
259 | DEBUG("ID[0x%04X]", idx); |
||
260 | } |
||
261 | val = U32(idx + gctx->data_block); |
||
262 | break; |
||
263 | case ATOM_ARG_FB: |
||
264 | idx = U8(*ptr); |
||
265 | (*ptr)++; |
||
266 | if (print) |
||
267 | DEBUG("FB[0x%02X]", idx); |
||
268 | printk(KERN_INFO "FB access is not implemented.\n"); |
||
269 | return 0; |
||
270 | case ATOM_ARG_IMM: |
||
271 | switch (align) { |
||
272 | case ATOM_SRC_DWORD: |
||
273 | val = U32(*ptr); |
||
274 | (*ptr) += 4; |
||
275 | if (print) |
||
276 | DEBUG("IMM 0x%08X\n", val); |
||
277 | return val; |
||
278 | case ATOM_SRC_WORD0: |
||
279 | case ATOM_SRC_WORD8: |
||
280 | case ATOM_SRC_WORD16: |
||
281 | val = U16(*ptr); |
||
282 | (*ptr) += 2; |
||
283 | if (print) |
||
284 | DEBUG("IMM 0x%04X\n", val); |
||
285 | return val; |
||
286 | case ATOM_SRC_BYTE0: |
||
287 | case ATOM_SRC_BYTE8: |
||
288 | case ATOM_SRC_BYTE16: |
||
289 | case ATOM_SRC_BYTE24: |
||
290 | val = U8(*ptr); |
||
291 | (*ptr)++; |
||
292 | if (print) |
||
293 | DEBUG("IMM 0x%02X\n", val); |
||
294 | return val; |
||
295 | } |
||
296 | return 0; |
||
297 | case ATOM_ARG_PLL: |
||
298 | idx = U8(*ptr); |
||
299 | (*ptr)++; |
||
300 | if (print) |
||
301 | DEBUG("PLL[0x%02X]", idx); |
||
302 | val = gctx->card->pll_read(gctx->card, idx); |
||
303 | break; |
||
304 | case ATOM_ARG_MC: |
||
305 | idx = U8(*ptr); |
||
306 | (*ptr)++; |
||
307 | if (print) |
||
308 | DEBUG("MC[0x%02X]", idx); |
||
309 | val = gctx->card->mc_read(gctx->card, idx); |
||
310 | break; |
||
311 | } |
||
312 | if (saved) |
||
313 | *saved = val; |
||
314 | val &= atom_arg_mask[align]; |
||
315 | val >>= atom_arg_shift[align]; |
||
316 | if (print) |
||
317 | switch (align) { |
||
318 | case ATOM_SRC_DWORD: |
||
319 | DEBUG(".[31:0] -> 0x%08X\n", val); |
||
320 | break; |
||
321 | case ATOM_SRC_WORD0: |
||
322 | DEBUG(".[15:0] -> 0x%04X\n", val); |
||
323 | break; |
||
324 | case ATOM_SRC_WORD8: |
||
325 | DEBUG(".[23:8] -> 0x%04X\n", val); |
||
326 | break; |
||
327 | case ATOM_SRC_WORD16: |
||
328 | DEBUG(".[31:16] -> 0x%04X\n", val); |
||
329 | break; |
||
330 | case ATOM_SRC_BYTE0: |
||
331 | DEBUG(".[7:0] -> 0x%02X\n", val); |
||
332 | break; |
||
333 | case ATOM_SRC_BYTE8: |
||
334 | DEBUG(".[15:8] -> 0x%02X\n", val); |
||
335 | break; |
||
336 | case ATOM_SRC_BYTE16: |
||
337 | DEBUG(".[23:16] -> 0x%02X\n", val); |
||
338 | break; |
||
339 | case ATOM_SRC_BYTE24: |
||
340 | DEBUG(".[31:24] -> 0x%02X\n", val); |
||
341 | break; |
||
342 | } |
||
343 | return val; |
||
344 | } |
||
345 | |||
346 | static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr) |
||
347 | { |
||
348 | uint32_t align = (attr >> 3) & 7, arg = attr & 7; |
||
349 | switch (arg) { |
||
350 | case ATOM_ARG_REG: |
||
351 | case ATOM_ARG_ID: |
||
352 | (*ptr) += 2; |
||
353 | break; |
||
354 | case ATOM_ARG_PLL: |
||
355 | case ATOM_ARG_MC: |
||
356 | case ATOM_ARG_PS: |
||
357 | case ATOM_ARG_WS: |
||
358 | case ATOM_ARG_FB: |
||
359 | (*ptr)++; |
||
360 | break; |
||
361 | case ATOM_ARG_IMM: |
||
362 | switch (align) { |
||
363 | case ATOM_SRC_DWORD: |
||
364 | (*ptr) += 4; |
||
365 | return; |
||
366 | case ATOM_SRC_WORD0: |
||
367 | case ATOM_SRC_WORD8: |
||
368 | case ATOM_SRC_WORD16: |
||
369 | (*ptr) += 2; |
||
370 | return; |
||
371 | case ATOM_SRC_BYTE0: |
||
372 | case ATOM_SRC_BYTE8: |
||
373 | case ATOM_SRC_BYTE16: |
||
374 | case ATOM_SRC_BYTE24: |
||
375 | (*ptr)++; |
||
376 | return; |
||
377 | } |
||
378 | return; |
||
379 | } |
||
380 | } |
||
381 | |||
382 | static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr) |
||
383 | { |
||
384 | return atom_get_src_int(ctx, attr, ptr, NULL, 1); |
||
385 | } |
||
386 | |||
387 | static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr, |
||
388 | int *ptr, uint32_t *saved, int print) |
||
389 | { |
||
390 | return atom_get_src_int(ctx, |
||
391 | arg | atom_dst_to_src[(attr >> 3) & |
||
392 | 7][(attr >> 6) & 3] << 3, |
||
393 | ptr, saved, print); |
||
394 | } |
||
395 | |||
396 | static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr) |
||
397 | { |
||
398 | atom_skip_src_int(ctx, |
||
399 | arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & |
||
400 | 3] << 3, ptr); |
||
401 | } |
||
402 | |||
403 | static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr, |
||
404 | int *ptr, uint32_t val, uint32_t saved) |
||
405 | { |
||
406 | uint32_t align = |
||
407 | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val = |
||
408 | val, idx; |
||
409 | struct atom_context *gctx = ctx->ctx; |
||
410 | old_val &= atom_arg_mask[align] >> atom_arg_shift[align]; |
||
411 | val <<= atom_arg_shift[align]; |
||
412 | val &= atom_arg_mask[align]; |
||
413 | saved &= ~atom_arg_mask[align]; |
||
414 | val |= saved; |
||
415 | switch (arg) { |
||
416 | case ATOM_ARG_REG: |
||
417 | idx = U16(*ptr); |
||
418 | (*ptr) += 2; |
||
419 | DEBUG("REG[0x%04X]", idx); |
||
420 | idx += gctx->reg_block; |
||
421 | switch (gctx->io_mode) { |
||
422 | case ATOM_IO_MM: |
||
423 | if (idx == 0) |
||
424 | gctx->card->reg_write(gctx->card, idx, |
||
425 | val << 2); |
||
426 | else |
||
427 | gctx->card->reg_write(gctx->card, idx, val); |
||
428 | break; |
||
429 | case ATOM_IO_PCI: |
||
430 | printk(KERN_INFO |
||
431 | "PCI registers are not implemented.\n"); |
||
432 | return; |
||
433 | case ATOM_IO_SYSIO: |
||
434 | printk(KERN_INFO |
||
435 | "SYSIO registers are not implemented.\n"); |
||
436 | return; |
||
437 | default: |
||
438 | if (!(gctx->io_mode & 0x80)) { |
||
439 | printk(KERN_INFO "Bad IO mode.\n"); |
||
440 | return; |
||
441 | } |
||
442 | if (!gctx->iio[gctx->io_mode & 0xFF]) { |
||
443 | printk(KERN_INFO |
||
444 | "Undefined indirect IO write method %d.\n", |
||
445 | gctx->io_mode & 0x7F); |
||
446 | return; |
||
447 | } |
||
448 | atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF], |
||
449 | idx, val); |
||
450 | } |
||
451 | break; |
||
452 | case ATOM_ARG_PS: |
||
453 | idx = U8(*ptr); |
||
454 | (*ptr)++; |
||
455 | DEBUG("PS[0x%02X]", idx); |
||
456 | ctx->ps[idx] = cpu_to_le32(val); |
||
457 | break; |
||
458 | case ATOM_ARG_WS: |
||
459 | idx = U8(*ptr); |
||
460 | (*ptr)++; |
||
461 | DEBUG("WS[0x%02X]", idx); |
||
462 | switch (idx) { |
||
463 | case ATOM_WS_QUOTIENT: |
||
464 | gctx->divmul[0] = val; |
||
465 | break; |
||
466 | case ATOM_WS_REMAINDER: |
||
467 | gctx->divmul[1] = val; |
||
468 | break; |
||
469 | case ATOM_WS_DATAPTR: |
||
470 | gctx->data_block = val; |
||
471 | break; |
||
472 | case ATOM_WS_SHIFT: |
||
473 | gctx->shift = val; |
||
474 | break; |
||
475 | case ATOM_WS_OR_MASK: |
||
476 | case ATOM_WS_AND_MASK: |
||
477 | break; |
||
478 | case ATOM_WS_FB_WINDOW: |
||
479 | gctx->fb_base = val; |
||
480 | break; |
||
481 | case ATOM_WS_ATTRIBUTES: |
||
482 | gctx->io_attr = val; |
||
483 | break; |
||
484 | default: |
||
485 | ctx->ws[idx] = val; |
||
486 | } |
||
487 | break; |
||
488 | case ATOM_ARG_FB: |
||
489 | idx = U8(*ptr); |
||
490 | (*ptr)++; |
||
491 | DEBUG("FB[0x%02X]", idx); |
||
492 | printk(KERN_INFO "FB access is not implemented.\n"); |
||
493 | return; |
||
494 | case ATOM_ARG_PLL: |
||
495 | idx = U8(*ptr); |
||
496 | (*ptr)++; |
||
497 | DEBUG("PLL[0x%02X]", idx); |
||
498 | gctx->card->pll_write(gctx->card, idx, val); |
||
499 | break; |
||
500 | case ATOM_ARG_MC: |
||
501 | idx = U8(*ptr); |
||
502 | (*ptr)++; |
||
503 | DEBUG("MC[0x%02X]", idx); |
||
504 | gctx->card->mc_write(gctx->card, idx, val); |
||
505 | return; |
||
506 | } |
||
507 | switch (align) { |
||
508 | case ATOM_SRC_DWORD: |
||
509 | DEBUG(".[31:0] <- 0x%08X\n", old_val); |
||
510 | break; |
||
511 | case ATOM_SRC_WORD0: |
||
512 | DEBUG(".[15:0] <- 0x%04X\n", old_val); |
||
513 | break; |
||
514 | case ATOM_SRC_WORD8: |
||
515 | DEBUG(".[23:8] <- 0x%04X\n", old_val); |
||
516 | break; |
||
517 | case ATOM_SRC_WORD16: |
||
518 | DEBUG(".[31:16] <- 0x%04X\n", old_val); |
||
519 | break; |
||
520 | case ATOM_SRC_BYTE0: |
||
521 | DEBUG(".[7:0] <- 0x%02X\n", old_val); |
||
522 | break; |
||
523 | case ATOM_SRC_BYTE8: |
||
524 | DEBUG(".[15:8] <- 0x%02X\n", old_val); |
||
525 | break; |
||
526 | case ATOM_SRC_BYTE16: |
||
527 | DEBUG(".[23:16] <- 0x%02X\n", old_val); |
||
528 | break; |
||
529 | case ATOM_SRC_BYTE24: |
||
530 | DEBUG(".[31:24] <- 0x%02X\n", old_val); |
||
531 | break; |
||
532 | } |
||
533 | } |
||
534 | |||
535 | static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg) |
||
536 | { |
||
537 | uint8_t attr = U8((*ptr)++); |
||
538 | uint32_t dst, src, saved; |
||
539 | int dptr = *ptr; |
||
540 | SDEBUG(" dst: "); |
||
541 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
542 | SDEBUG(" src: "); |
||
543 | src = atom_get_src(ctx, attr, ptr); |
||
544 | dst += src; |
||
545 | SDEBUG(" dst: "); |
||
546 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
547 | } |
||
548 | |||
549 | static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg) |
||
550 | { |
||
551 | uint8_t attr = U8((*ptr)++); |
||
552 | uint32_t dst, src, saved; |
||
553 | int dptr = *ptr; |
||
554 | SDEBUG(" dst: "); |
||
555 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
556 | SDEBUG(" src: "); |
||
557 | src = atom_get_src(ctx, attr, ptr); |
||
558 | dst &= src; |
||
559 | SDEBUG(" dst: "); |
||
560 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
561 | } |
||
562 | |||
563 | static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg) |
||
564 | { |
||
565 | printk("ATOM BIOS beeped!\n"); |
||
566 | } |
||
567 | |||
568 | static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg) |
||
569 | { |
||
570 | int idx = U8((*ptr)++); |
||
571 | if (idx < ATOM_TABLE_NAMES_CNT) |
||
572 | SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]); |
||
573 | else |
||
574 | SDEBUG(" table: %d\n", idx); |
||
575 | if (U16(ctx->ctx->cmd_table + 4 + 2 * idx)) |
||
576 | atom_execute_table(ctx->ctx, idx, ctx->ps + ctx->ps_shift); |
||
577 | } |
||
578 | |||
579 | static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg) |
||
580 | { |
||
581 | uint8_t attr = U8((*ptr)++); |
||
582 | uint32_t saved; |
||
583 | int dptr = *ptr; |
||
584 | attr &= 0x38; |
||
585 | attr |= atom_def_dst[attr >> 3] << 6; |
||
586 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); |
||
587 | SDEBUG(" dst: "); |
||
588 | atom_put_dst(ctx, arg, attr, &dptr, 0, saved); |
||
589 | } |
||
590 | |||
591 | static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg) |
||
592 | { |
||
593 | uint8_t attr = U8((*ptr)++); |
||
594 | uint32_t dst, src; |
||
595 | SDEBUG(" src1: "); |
||
596 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); |
||
597 | SDEBUG(" src2: "); |
||
598 | src = atom_get_src(ctx, attr, ptr); |
||
599 | ctx->ctx->cs_equal = (dst == src); |
||
600 | ctx->ctx->cs_above = (dst > src); |
||
601 | SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE", |
||
602 | ctx->ctx->cs_above ? "GT" : "LE"); |
||
603 | } |
||
604 | |||
605 | static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg) |
||
606 | { |
||
607 | uint8_t count = U8((*ptr)++); |
||
608 | SDEBUG(" count: %d\n", count); |
||
1119 | serge | 609 | if (arg == ATOM_UNIT_MICROSEC) |
610 | udelay(count); |
||
611 | else |
||
612 | mdelay(count); |
||
1117 | serge | 613 | } |
614 | |||
615 | static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg) |
||
616 | { |
||
617 | uint8_t attr = U8((*ptr)++); |
||
618 | uint32_t dst, src; |
||
619 | SDEBUG(" src1: "); |
||
620 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); |
||
621 | SDEBUG(" src2: "); |
||
622 | src = atom_get_src(ctx, attr, ptr); |
||
623 | if (src != 0) { |
||
624 | ctx->ctx->divmul[0] = dst / src; |
||
625 | ctx->ctx->divmul[1] = dst % src; |
||
626 | } else { |
||
627 | ctx->ctx->divmul[0] = 0; |
||
628 | ctx->ctx->divmul[1] = 0; |
||
629 | } |
||
630 | } |
||
631 | |||
632 | static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg) |
||
633 | { |
||
634 | /* functionally, a nop */ |
||
635 | } |
||
636 | |||
637 | static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg) |
||
638 | { |
||
639 | int execute = 0, target = U16(*ptr); |
||
640 | (*ptr) += 2; |
||
641 | switch (arg) { |
||
642 | case ATOM_COND_ABOVE: |
||
643 | execute = ctx->ctx->cs_above; |
||
644 | break; |
||
645 | case ATOM_COND_ABOVEOREQUAL: |
||
646 | execute = ctx->ctx->cs_above || ctx->ctx->cs_equal; |
||
647 | break; |
||
648 | case ATOM_COND_ALWAYS: |
||
649 | execute = 1; |
||
650 | break; |
||
651 | case ATOM_COND_BELOW: |
||
652 | execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal); |
||
653 | break; |
||
654 | case ATOM_COND_BELOWOREQUAL: |
||
655 | execute = !ctx->ctx->cs_above; |
||
656 | break; |
||
657 | case ATOM_COND_EQUAL: |
||
658 | execute = ctx->ctx->cs_equal; |
||
659 | break; |
||
660 | case ATOM_COND_NOTEQUAL: |
||
661 | execute = !ctx->ctx->cs_equal; |
||
662 | break; |
||
663 | } |
||
664 | if (arg != ATOM_COND_ALWAYS) |
||
665 | SDEBUG(" taken: %s\n", execute ? "yes" : "no"); |
||
666 | SDEBUG(" target: 0x%04X\n", target); |
||
667 | if (execute) |
||
668 | *ptr = ctx->start + target; |
||
669 | } |
||
670 | |||
671 | static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg) |
||
672 | { |
||
673 | uint8_t attr = U8((*ptr)++); |
||
674 | uint32_t dst, src1, src2, saved; |
||
675 | int dptr = *ptr; |
||
676 | SDEBUG(" dst: "); |
||
677 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
678 | SDEBUG(" src1: "); |
||
679 | src1 = atom_get_src(ctx, attr, ptr); |
||
680 | SDEBUG(" src2: "); |
||
681 | src2 = atom_get_src(ctx, attr, ptr); |
||
682 | dst &= src1; |
||
683 | dst |= src2; |
||
684 | SDEBUG(" dst: "); |
||
685 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
686 | } |
||
687 | |||
688 | static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg) |
||
689 | { |
||
690 | uint8_t attr = U8((*ptr)++); |
||
691 | uint32_t src, saved; |
||
692 | int dptr = *ptr; |
||
693 | if (((attr >> 3) & 7) != ATOM_SRC_DWORD) |
||
694 | atom_get_dst(ctx, arg, attr, ptr, &saved, 0); |
||
695 | else { |
||
696 | atom_skip_dst(ctx, arg, attr, ptr); |
||
697 | saved = 0xCDCDCDCD; |
||
698 | } |
||
699 | SDEBUG(" src: "); |
||
700 | src = atom_get_src(ctx, attr, ptr); |
||
701 | SDEBUG(" dst: "); |
||
702 | atom_put_dst(ctx, arg, attr, &dptr, src, saved); |
||
703 | } |
||
704 | |||
705 | static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg) |
||
706 | { |
||
707 | uint8_t attr = U8((*ptr)++); |
||
708 | uint32_t dst, src; |
||
709 | SDEBUG(" src1: "); |
||
710 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); |
||
711 | SDEBUG(" src2: "); |
||
712 | src = atom_get_src(ctx, attr, ptr); |
||
713 | ctx->ctx->divmul[0] = dst * src; |
||
714 | } |
||
715 | |||
716 | static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg) |
||
717 | { |
||
718 | /* nothing */ |
||
719 | } |
||
720 | |||
721 | static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg) |
||
722 | { |
||
723 | uint8_t attr = U8((*ptr)++); |
||
724 | uint32_t dst, src, saved; |
||
725 | int dptr = *ptr; |
||
726 | SDEBUG(" dst: "); |
||
727 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
728 | SDEBUG(" src: "); |
||
729 | src = atom_get_src(ctx, attr, ptr); |
||
730 | dst |= src; |
||
731 | SDEBUG(" dst: "); |
||
732 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
733 | } |
||
734 | |||
735 | static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg) |
||
736 | { |
||
737 | uint8_t val = U8((*ptr)++); |
||
738 | SDEBUG("POST card output: 0x%02X\n", val); |
||
739 | } |
||
740 | |||
741 | static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg) |
||
742 | { |
||
743 | printk(KERN_INFO "unimplemented!\n"); |
||
744 | } |
||
745 | |||
746 | static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg) |
||
747 | { |
||
748 | printk(KERN_INFO "unimplemented!\n"); |
||
749 | } |
||
750 | |||
751 | static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg) |
||
752 | { |
||
753 | printk(KERN_INFO "unimplemented!\n"); |
||
754 | } |
||
755 | |||
756 | static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg) |
||
757 | { |
||
758 | int idx = U8(*ptr); |
||
759 | (*ptr)++; |
||
760 | SDEBUG(" block: %d\n", idx); |
||
761 | if (!idx) |
||
762 | ctx->ctx->data_block = 0; |
||
763 | else if (idx == 255) |
||
764 | ctx->ctx->data_block = ctx->start; |
||
765 | else |
||
766 | ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx); |
||
767 | SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block); |
||
768 | } |
||
769 | |||
770 | static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg) |
||
771 | { |
||
772 | uint8_t attr = U8((*ptr)++); |
||
773 | SDEBUG(" fb_base: "); |
||
774 | ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr); |
||
775 | } |
||
776 | |||
777 | static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg) |
||
778 | { |
||
779 | int port; |
||
780 | switch (arg) { |
||
781 | case ATOM_PORT_ATI: |
||
782 | port = U16(*ptr); |
||
783 | if (port < ATOM_IO_NAMES_CNT) |
||
784 | SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]); |
||
785 | else |
||
786 | SDEBUG(" port: %d\n", port); |
||
787 | if (!port) |
||
788 | ctx->ctx->io_mode = ATOM_IO_MM; |
||
789 | else |
||
790 | ctx->ctx->io_mode = ATOM_IO_IIO | port; |
||
791 | (*ptr) += 2; |
||
792 | break; |
||
793 | case ATOM_PORT_PCI: |
||
794 | ctx->ctx->io_mode = ATOM_IO_PCI; |
||
795 | (*ptr)++; |
||
796 | break; |
||
797 | case ATOM_PORT_SYSIO: |
||
798 | ctx->ctx->io_mode = ATOM_IO_SYSIO; |
||
799 | (*ptr)++; |
||
800 | break; |
||
801 | } |
||
802 | } |
||
803 | |||
804 | static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg) |
||
805 | { |
||
806 | ctx->ctx->reg_block = U16(*ptr); |
||
807 | (*ptr) += 2; |
||
808 | SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block); |
||
809 | } |
||
810 | |||
811 | static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg) |
||
812 | { |
||
813 | uint8_t attr = U8((*ptr)++), shift; |
||
814 | uint32_t saved, dst; |
||
815 | int dptr = *ptr; |
||
816 | attr &= 0x38; |
||
817 | attr |= atom_def_dst[attr >> 3] << 6; |
||
818 | SDEBUG(" dst: "); |
||
819 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
820 | shift = U8((*ptr)++); |
||
821 | SDEBUG(" shift: %d\n", shift); |
||
822 | dst <<= shift; |
||
823 | SDEBUG(" dst: "); |
||
824 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
825 | } |
||
826 | |||
827 | static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg) |
||
828 | { |
||
829 | uint8_t attr = U8((*ptr)++), shift; |
||
830 | uint32_t saved, dst; |
||
831 | int dptr = *ptr; |
||
832 | attr &= 0x38; |
||
833 | attr |= atom_def_dst[attr >> 3] << 6; |
||
834 | SDEBUG(" dst: "); |
||
835 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
836 | shift = U8((*ptr)++); |
||
837 | SDEBUG(" shift: %d\n", shift); |
||
838 | dst >>= shift; |
||
839 | SDEBUG(" dst: "); |
||
840 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
841 | } |
||
842 | |||
843 | static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg) |
||
844 | { |
||
845 | uint8_t attr = U8((*ptr)++); |
||
846 | uint32_t dst, src, saved; |
||
847 | int dptr = *ptr; |
||
848 | SDEBUG(" dst: "); |
||
849 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
850 | SDEBUG(" src: "); |
||
851 | src = atom_get_src(ctx, attr, ptr); |
||
852 | dst -= src; |
||
853 | SDEBUG(" dst: "); |
||
854 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
855 | } |
||
856 | |||
857 | static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg) |
||
858 | { |
||
859 | uint8_t attr = U8((*ptr)++); |
||
860 | uint32_t src, val, target; |
||
861 | SDEBUG(" switch: "); |
||
862 | src = atom_get_src(ctx, attr, ptr); |
||
863 | while (U16(*ptr) != ATOM_CASE_END) |
||
864 | if (U8(*ptr) == ATOM_CASE_MAGIC) { |
||
865 | (*ptr)++; |
||
866 | SDEBUG(" case: "); |
||
867 | val = |
||
868 | atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM, |
||
869 | ptr); |
||
870 | target = U16(*ptr); |
||
871 | if (val == src) { |
||
872 | SDEBUG(" target: %04X\n", target); |
||
873 | *ptr = ctx->start + target; |
||
874 | return; |
||
875 | } |
||
876 | (*ptr) += 2; |
||
877 | } else { |
||
878 | printk(KERN_INFO "Bad case.\n"); |
||
879 | return; |
||
880 | } |
||
881 | (*ptr) += 2; |
||
882 | } |
||
883 | |||
884 | static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg) |
||
885 | { |
||
886 | uint8_t attr = U8((*ptr)++); |
||
887 | uint32_t dst, src; |
||
888 | SDEBUG(" src1: "); |
||
889 | dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); |
||
890 | SDEBUG(" src2: "); |
||
891 | src = atom_get_src(ctx, attr, ptr); |
||
892 | ctx->ctx->cs_equal = ((dst & src) == 0); |
||
893 | SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE"); |
||
894 | } |
||
895 | |||
896 | static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg) |
||
897 | { |
||
898 | uint8_t attr = U8((*ptr)++); |
||
899 | uint32_t dst, src, saved; |
||
900 | int dptr = *ptr; |
||
901 | SDEBUG(" dst: "); |
||
902 | dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); |
||
903 | SDEBUG(" src: "); |
||
904 | src = atom_get_src(ctx, attr, ptr); |
||
905 | dst ^= src; |
||
906 | SDEBUG(" dst: "); |
||
907 | atom_put_dst(ctx, arg, attr, &dptr, dst, saved); |
||
908 | } |
||
909 | |||
910 | static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg) |
||
911 | { |
||
912 | printk(KERN_INFO "unimplemented!\n"); |
||
913 | } |
||
914 | |||
915 | static struct { |
||
916 | void (*func) (atom_exec_context *, int *, int); |
||
917 | int arg; |
||
918 | } opcode_table[ATOM_OP_CNT] = { |
||
919 | { |
||
920 | NULL, 0}, { |
||
921 | atom_op_move, ATOM_ARG_REG}, { |
||
922 | atom_op_move, ATOM_ARG_PS}, { |
||
923 | atom_op_move, ATOM_ARG_WS}, { |
||
924 | atom_op_move, ATOM_ARG_FB}, { |
||
925 | atom_op_move, ATOM_ARG_PLL}, { |
||
926 | atom_op_move, ATOM_ARG_MC}, { |
||
927 | atom_op_and, ATOM_ARG_REG}, { |
||
928 | atom_op_and, ATOM_ARG_PS}, { |
||
929 | atom_op_and, ATOM_ARG_WS}, { |
||
930 | atom_op_and, ATOM_ARG_FB}, { |
||
931 | atom_op_and, ATOM_ARG_PLL}, { |
||
932 | atom_op_and, ATOM_ARG_MC}, { |
||
933 | atom_op_or, ATOM_ARG_REG}, { |
||
934 | atom_op_or, ATOM_ARG_PS}, { |
||
935 | atom_op_or, ATOM_ARG_WS}, { |
||
936 | atom_op_or, ATOM_ARG_FB}, { |
||
937 | atom_op_or, ATOM_ARG_PLL}, { |
||
938 | atom_op_or, ATOM_ARG_MC}, { |
||
939 | atom_op_shl, ATOM_ARG_REG}, { |
||
940 | atom_op_shl, ATOM_ARG_PS}, { |
||
941 | atom_op_shl, ATOM_ARG_WS}, { |
||
942 | atom_op_shl, ATOM_ARG_FB}, { |
||
943 | atom_op_shl, ATOM_ARG_PLL}, { |
||
944 | atom_op_shl, ATOM_ARG_MC}, { |
||
945 | atom_op_shr, ATOM_ARG_REG}, { |
||
946 | atom_op_shr, ATOM_ARG_PS}, { |
||
947 | atom_op_shr, ATOM_ARG_WS}, { |
||
948 | atom_op_shr, ATOM_ARG_FB}, { |
||
949 | atom_op_shr, ATOM_ARG_PLL}, { |
||
950 | atom_op_shr, ATOM_ARG_MC}, { |
||
951 | atom_op_mul, ATOM_ARG_REG}, { |
||
952 | atom_op_mul, ATOM_ARG_PS}, { |
||
953 | atom_op_mul, ATOM_ARG_WS}, { |
||
954 | atom_op_mul, ATOM_ARG_FB}, { |
||
955 | atom_op_mul, ATOM_ARG_PLL}, { |
||
956 | atom_op_mul, ATOM_ARG_MC}, { |
||
957 | atom_op_div, ATOM_ARG_REG}, { |
||
958 | atom_op_div, ATOM_ARG_PS}, { |
||
959 | atom_op_div, ATOM_ARG_WS}, { |
||
960 | atom_op_div, ATOM_ARG_FB}, { |
||
961 | atom_op_div, ATOM_ARG_PLL}, { |
||
962 | atom_op_div, ATOM_ARG_MC}, { |
||
963 | atom_op_add, ATOM_ARG_REG}, { |
||
964 | atom_op_add, ATOM_ARG_PS}, { |
||
965 | atom_op_add, ATOM_ARG_WS}, { |
||
966 | atom_op_add, ATOM_ARG_FB}, { |
||
967 | atom_op_add, ATOM_ARG_PLL}, { |
||
968 | atom_op_add, ATOM_ARG_MC}, { |
||
969 | atom_op_sub, ATOM_ARG_REG}, { |
||
970 | atom_op_sub, ATOM_ARG_PS}, { |
||
971 | atom_op_sub, ATOM_ARG_WS}, { |
||
972 | atom_op_sub, ATOM_ARG_FB}, { |
||
973 | atom_op_sub, ATOM_ARG_PLL}, { |
||
974 | atom_op_sub, ATOM_ARG_MC}, { |
||
975 | atom_op_setport, ATOM_PORT_ATI}, { |
||
976 | atom_op_setport, ATOM_PORT_PCI}, { |
||
977 | atom_op_setport, ATOM_PORT_SYSIO}, { |
||
978 | atom_op_setregblock, 0}, { |
||
979 | atom_op_setfbbase, 0}, { |
||
980 | atom_op_compare, ATOM_ARG_REG}, { |
||
981 | atom_op_compare, ATOM_ARG_PS}, { |
||
982 | atom_op_compare, ATOM_ARG_WS}, { |
||
983 | atom_op_compare, ATOM_ARG_FB}, { |
||
984 | atom_op_compare, ATOM_ARG_PLL}, { |
||
985 | atom_op_compare, ATOM_ARG_MC}, { |
||
986 | atom_op_switch, 0}, { |
||
987 | atom_op_jump, ATOM_COND_ALWAYS}, { |
||
988 | atom_op_jump, ATOM_COND_EQUAL}, { |
||
989 | atom_op_jump, ATOM_COND_BELOW}, { |
||
990 | atom_op_jump, ATOM_COND_ABOVE}, { |
||
991 | atom_op_jump, ATOM_COND_BELOWOREQUAL}, { |
||
992 | atom_op_jump, ATOM_COND_ABOVEOREQUAL}, { |
||
993 | atom_op_jump, ATOM_COND_NOTEQUAL}, { |
||
994 | atom_op_test, ATOM_ARG_REG}, { |
||
995 | atom_op_test, ATOM_ARG_PS}, { |
||
996 | atom_op_test, ATOM_ARG_WS}, { |
||
997 | atom_op_test, ATOM_ARG_FB}, { |
||
998 | atom_op_test, ATOM_ARG_PLL}, { |
||
999 | atom_op_test, ATOM_ARG_MC}, { |
||
1000 | atom_op_delay, ATOM_UNIT_MILLISEC}, { |
||
1001 | atom_op_delay, ATOM_UNIT_MICROSEC}, { |
||
1002 | atom_op_calltable, 0}, { |
||
1003 | atom_op_repeat, 0}, { |
||
1004 | atom_op_clear, ATOM_ARG_REG}, { |
||
1005 | atom_op_clear, ATOM_ARG_PS}, { |
||
1006 | atom_op_clear, ATOM_ARG_WS}, { |
||
1007 | atom_op_clear, ATOM_ARG_FB}, { |
||
1008 | atom_op_clear, ATOM_ARG_PLL}, { |
||
1009 | atom_op_clear, ATOM_ARG_MC}, { |
||
1010 | atom_op_nop, 0}, { |
||
1011 | atom_op_eot, 0}, { |
||
1012 | atom_op_mask, ATOM_ARG_REG}, { |
||
1013 | atom_op_mask, ATOM_ARG_PS}, { |
||
1014 | atom_op_mask, ATOM_ARG_WS}, { |
||
1015 | atom_op_mask, ATOM_ARG_FB}, { |
||
1016 | atom_op_mask, ATOM_ARG_PLL}, { |
||
1017 | atom_op_mask, ATOM_ARG_MC}, { |
||
1018 | atom_op_postcard, 0}, { |
||
1019 | atom_op_beep, 0}, { |
||
1020 | atom_op_savereg, 0}, { |
||
1021 | atom_op_restorereg, 0}, { |
||
1022 | atom_op_setdatablock, 0}, { |
||
1023 | atom_op_xor, ATOM_ARG_REG}, { |
||
1024 | atom_op_xor, ATOM_ARG_PS}, { |
||
1025 | atom_op_xor, ATOM_ARG_WS}, { |
||
1026 | atom_op_xor, ATOM_ARG_FB}, { |
||
1027 | atom_op_xor, ATOM_ARG_PLL}, { |
||
1028 | atom_op_xor, ATOM_ARG_MC}, { |
||
1029 | atom_op_shl, ATOM_ARG_REG}, { |
||
1030 | atom_op_shl, ATOM_ARG_PS}, { |
||
1031 | atom_op_shl, ATOM_ARG_WS}, { |
||
1032 | atom_op_shl, ATOM_ARG_FB}, { |
||
1033 | atom_op_shl, ATOM_ARG_PLL}, { |
||
1034 | atom_op_shl, ATOM_ARG_MC}, { |
||
1035 | atom_op_shr, ATOM_ARG_REG}, { |
||
1036 | atom_op_shr, ATOM_ARG_PS}, { |
||
1037 | atom_op_shr, ATOM_ARG_WS}, { |
||
1038 | atom_op_shr, ATOM_ARG_FB}, { |
||
1039 | atom_op_shr, ATOM_ARG_PLL}, { |
||
1040 | atom_op_shr, ATOM_ARG_MC}, { |
||
1041 | atom_op_debug, 0},}; |
||
1042 | |||
1043 | void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) |
||
1044 | { |
||
1045 | int base = CU16(ctx->cmd_table + 4 + 2 * index); |
||
1046 | int len, ws, ps, ptr; |
||
1047 | unsigned char op; |
||
1048 | atom_exec_context ectx; |
||
1049 | |||
1050 | if (!base) |
||
1051 | return; |
||
1052 | |||
1053 | len = CU16(base + ATOM_CT_SIZE_PTR); |
||
1054 | ws = CU8(base + ATOM_CT_WS_PTR); |
||
1055 | ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK; |
||
1056 | ptr = base + ATOM_CT_CODE_PTR; |
||
1057 | |||
1058 | SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps); |
||
1059 | |||
1060 | /* reset reg block */ |
||
1061 | ctx->reg_block = 0; |
||
1062 | ectx.ctx = ctx; |
||
1063 | ectx.ps_shift = ps / 4; |
||
1064 | ectx.start = base; |
||
1065 | ectx.ps = params; |
||
1066 | if (ws) |
||
1067 | ectx.ws = kzalloc(4 * ws, GFP_KERNEL); |
||
1068 | else |
||
1069 | ectx.ws = NULL; |
||
1070 | |||
1071 | debug_depth++; |
||
1072 | while (1) { |
||
1073 | op = CU8(ptr++); |
||
1074 | if (op < ATOM_OP_NAMES_CNT) |
||
1075 | SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1); |
||
1076 | else |
||
1077 | SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1); |
||
1078 | |||
1079 | if (op < ATOM_OP_CNT && op > 0) |
||
1080 | opcode_table[op].func(&ectx, &ptr, |
||
1081 | opcode_table[op].arg); |
||
1082 | else |
||
1083 | break; |
||
1084 | |||
1085 | if (op == ATOM_OP_EOT) |
||
1086 | break; |
||
1087 | } |
||
1088 | debug_depth--; |
||
1089 | SDEBUG("<<\n"); |
||
1090 | |||
1091 | if (ws) |
||
1092 | kfree(ectx.ws); |
||
1093 | } |
||
1094 | |||
1095 | static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 }; |
||
1096 | |||
1097 | static void atom_index_iio(struct atom_context *ctx, int base) |
||
1098 | { |
||
1099 | ctx->iio = kzalloc(2 * 256, GFP_KERNEL); |
||
1100 | while (CU8(base) == ATOM_IIO_START) { |
||
1101 | ctx->iio[CU8(base + 1)] = base + 2; |
||
1102 | base += 2; |
||
1103 | while (CU8(base) != ATOM_IIO_END) |
||
1104 | base += atom_iio_len[CU8(base)]; |
||
1105 | base += 3; |
||
1106 | } |
||
1107 | } |
||
1108 | |||
1109 | struct atom_context *atom_parse(struct card_info *card, void *bios) |
||
1110 | { |
||
1111 | int base; |
||
1112 | struct atom_context *ctx = |
||
1113 | kzalloc(sizeof(struct atom_context), GFP_KERNEL); |
||
1114 | char *str; |
||
1115 | char name[512]; |
||
1116 | int i; |
||
1117 | |||
1118 | ctx->card = card; |
||
1119 | ctx->bios = bios; |
||
1120 | |||
1121 | if (CU16(0) != ATOM_BIOS_MAGIC) { |
||
1122 | printk(KERN_INFO "Invalid BIOS magic.\n"); |
||
1123 | kfree(ctx); |
||
1124 | return NULL; |
||
1125 | } |
||
1126 | if (strncmp |
||
1127 | (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC, |
||
1128 | strlen(ATOM_ATI_MAGIC))) { |
||
1129 | printk(KERN_INFO "Invalid ATI magic.\n"); |
||
1130 | kfree(ctx); |
||
1131 | return NULL; |
||
1132 | } |
||
1133 | |||
1134 | base = CU16(ATOM_ROM_TABLE_PTR); |
||
1135 | if (strncmp |
||
1136 | (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC, |
||
1137 | strlen(ATOM_ROM_MAGIC))) { |
||
1138 | printk(KERN_INFO "Invalid ATOM magic.\n"); |
||
1139 | kfree(ctx); |
||
1140 | return NULL; |
||
1141 | } |
||
1142 | |||
1143 | ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR); |
||
1144 | ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR); |
||
1145 | atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4); |
||
1146 | |||
1147 | str = CSTR(CU16(base + ATOM_ROM_MSG_PTR)); |
||
1148 | while (*str && ((*str == '\n') || (*str == '\r'))) |
||
1149 | str++; |
||
1150 | /* name string isn't always 0 terminated */ |
||
1151 | for (i = 0; i < 511; i++) { |
||
1152 | name[i] = str[i]; |
||
1153 | if (name[i] < '.' || name[i] > 'z') { |
||
1154 | name[i] = 0; |
||
1155 | break; |
||
1156 | } |
||
1157 | } |
||
1158 | printk(KERN_INFO "ATOM BIOS: %s\n", name); |
||
1159 | |||
1160 | return ctx; |
||
1161 | } |
||
1162 | |||
1163 | int atom_asic_init(struct atom_context *ctx) |
||
1164 | { |
||
1165 | int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR); |
||
1166 | uint32_t ps[16]; |
||
1167 | memset(ps, 0, 64); |
||
1168 | |||
1169 | ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR)); |
||
1170 | ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR)); |
||
1171 | if (!ps[0] || !ps[1]) |
||
1172 | return 1; |
||
1173 | |||
1174 | if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT)) |
||
1175 | return 1; |
||
1176 | atom_execute_table(ctx, ATOM_CMD_INIT, ps); |
||
1177 | |||
1178 | return 0; |
||
1179 | } |
||
1180 | |||
1181 | void atom_destroy(struct atom_context *ctx) |
||
1182 | { |
||
1183 | if (ctx->iio) |
||
1184 | kfree(ctx->iio); |
||
1185 | kfree(ctx); |
||
1186 | } |
||
1187 | |||
1188 | void atom_parse_data_header(struct atom_context *ctx, int index, |
||
1189 | uint16_t * size, uint8_t * frev, uint8_t * crev, |
||
1190 | uint16_t * data_start) |
||
1191 | { |
||
1192 | int offset = index * 2 + 4; |
||
1193 | int idx = CU16(ctx->data_table + offset); |
||
1194 | |||
1195 | if (size) |
||
1196 | *size = CU16(idx); |
||
1197 | if (frev) |
||
1198 | *frev = CU8(idx + 2); |
||
1199 | if (crev) |
||
1200 | *crev = CU8(idx + 3); |
||
1201 | *data_start = idx; |
||
1202 | return; |
||
1203 | } |
||
1204 | |||
1205 | void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev, |
||
1206 | uint8_t * crev) |
||
1207 | { |
||
1208 | int offset = index * 2 + 4; |
||
1209 | int idx = CU16(ctx->cmd_table + offset); |
||
1210 | |||
1211 | if (frev) |
||
1212 | *frev = CU8(idx + 2); |
||
1213 | if (crev) |
||
1214 | *crev = CU8(idx + 3); |
||
1215 | return; |
||
1216 | }>>\n"); |