2 * Copyright 2008 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Author: Stanislaw Skowronek
25 #include <linux/module.h>
26 #include <linux/sched.h>
31 #include "atom-names.h"
32 #include "atom-bits.h"
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
42 #define ATOM_PORT_ATI 0
43 #define ATOM_PORT_PCI 1
44 #define ATOM_PORT_SYSIO 2
46 #define ATOM_UNIT_MICROSEC 0
47 #define ATOM_UNIT_MILLISEC 1
53 struct atom_context *ctx;
61 static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params);
62 void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params);
64 static uint32_t atom_arg_mask[8] =
65 { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000,
67 static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 };
69 static int atom_dst_to_src[8][4] = {
70 /* translate destination alignment field to the source alignment encoding */
80 static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
82 static int debug_depth = 0;
84 static void debug_print_spaces(int n)
90 #define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0)
91 #define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0)
93 #define DEBUG(...) do { } while (0)
94 #define SDEBUG(...) do { } while (0)
97 static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
98 uint32_t index, uint32_t data)
100 uint32_t temp = 0xCDCDCDCD;
107 temp = ctx->card->reg_read(ctx->card, CU16(base + 1));
111 (void)ctx->card->reg_read(ctx->card, CU16(base + 1));
112 ctx->card->reg_write(ctx->card, CU16(base + 1), temp);
117 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
123 (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base +
127 case ATOM_IIO_MOVE_INDEX:
129 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
132 ((index >> CU8(base + 2)) &
133 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
137 case ATOM_IIO_MOVE_DATA:
139 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
142 ((data >> CU8(base + 2)) &
143 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
147 case ATOM_IIO_MOVE_ATTR:
149 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
153 io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 -
164 printk(KERN_INFO "Unknown IIO opcode.\n");
169 static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
170 int *ptr, uint32_t *saved, int print)
172 uint32_t idx, val = 0xCDCDCDCD, align, arg;
173 struct atom_context *gctx = ctx->ctx;
175 align = (attr >> 3) & 7;
181 DEBUG("REG[0x%04X]", idx);
182 idx += gctx->reg_block;
183 switch (gctx->io_mode) {
185 val = gctx->card->reg_read(gctx->card, idx);
189 "PCI registers are not implemented.\n");
193 "SYSIO registers are not implemented.\n");
196 if (!(gctx->io_mode & 0x80)) {
197 printk(KERN_INFO "Bad IO mode.\n");
200 if (!gctx->iio[gctx->io_mode & 0x7F]) {
202 "Undefined indirect IO read method %d.\n",
203 gctx->io_mode & 0x7F);
207 atom_iio_execute(gctx,
208 gctx->iio[gctx->io_mode & 0x7F],
215 val = le32_to_cpu(ctx->ps[idx]);
217 DEBUG("PS[0x%02X,0x%04X]", idx, val);
223 DEBUG("WS[0x%02X]", idx);
225 case ATOM_WS_QUOTIENT:
226 val = gctx->divmul[0];
228 case ATOM_WS_REMAINDER:
229 val = gctx->divmul[1];
231 case ATOM_WS_DATAPTR:
232 val = gctx->data_block;
237 case ATOM_WS_OR_MASK:
238 val = 1 << gctx->shift;
240 case ATOM_WS_AND_MASK:
241 val = ~(1 << gctx->shift);
243 case ATOM_WS_FB_WINDOW:
246 case ATOM_WS_ATTRIBUTES:
257 if (gctx->data_block)
258 DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block);
260 DEBUG("ID[0x%04X]", idx);
262 val = U32(idx + gctx->data_block);
267 val = gctx->scratch[((gctx->fb_base + idx) / 4)];
269 DEBUG("FB[0x%02X]", idx);
277 DEBUG("IMM 0x%08X\n", val);
281 case ATOM_SRC_WORD16:
285 DEBUG("IMM 0x%04X\n", val);
289 case ATOM_SRC_BYTE16:
290 case ATOM_SRC_BYTE24:
294 DEBUG("IMM 0x%02X\n", val);
302 DEBUG("PLL[0x%02X]", idx);
303 val = gctx->card->pll_read(gctx->card, idx);
309 DEBUG("MC[0x%02X]", idx);
310 val = gctx->card->mc_read(gctx->card, idx);
315 val &= atom_arg_mask[align];
316 val >>= atom_arg_shift[align];
320 DEBUG(".[31:0] -> 0x%08X\n", val);
323 DEBUG(".[15:0] -> 0x%04X\n", val);
326 DEBUG(".[23:8] -> 0x%04X\n", val);
328 case ATOM_SRC_WORD16:
329 DEBUG(".[31:16] -> 0x%04X\n", val);
332 DEBUG(".[7:0] -> 0x%02X\n", val);
335 DEBUG(".[15:8] -> 0x%02X\n", val);
337 case ATOM_SRC_BYTE16:
338 DEBUG(".[23:16] -> 0x%02X\n", val);
340 case ATOM_SRC_BYTE24:
341 DEBUG(".[31:24] -> 0x%02X\n", val);
347 static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr)
349 uint32_t align = (attr >> 3) & 7, arg = attr & 7;
369 case ATOM_SRC_WORD16:
374 case ATOM_SRC_BYTE16:
375 case ATOM_SRC_BYTE24:
383 static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr)
385 return atom_get_src_int(ctx, attr, ptr, NULL, 1);
388 static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr,
389 int *ptr, uint32_t *saved, int print)
391 return atom_get_src_int(ctx,
392 arg | atom_dst_to_src[(attr >> 3) &
393 7][(attr >> 6) & 3] << 3,
397 static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr)
399 atom_skip_src_int(ctx,
400 arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) &
404 static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
405 int *ptr, uint32_t val, uint32_t saved)
408 atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val =
410 struct atom_context *gctx = ctx->ctx;
411 old_val &= atom_arg_mask[align] >> atom_arg_shift[align];
412 val <<= atom_arg_shift[align];
413 val &= atom_arg_mask[align];
414 saved &= ~atom_arg_mask[align];
420 DEBUG("REG[0x%04X]", idx);
421 idx += gctx->reg_block;
422 switch (gctx->io_mode) {
425 gctx->card->reg_write(gctx->card, idx,
428 gctx->card->reg_write(gctx->card, idx, val);
432 "PCI registers are not implemented.\n");
436 "SYSIO registers are not implemented.\n");
439 if (!(gctx->io_mode & 0x80)) {
440 printk(KERN_INFO "Bad IO mode.\n");
443 if (!gctx->iio[gctx->io_mode & 0xFF]) {
445 "Undefined indirect IO write method %d.\n",
446 gctx->io_mode & 0x7F);
449 atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF],
456 DEBUG("PS[0x%02X]", idx);
457 ctx->ps[idx] = cpu_to_le32(val);
462 DEBUG("WS[0x%02X]", idx);
464 case ATOM_WS_QUOTIENT:
465 gctx->divmul[0] = val;
467 case ATOM_WS_REMAINDER:
468 gctx->divmul[1] = val;
470 case ATOM_WS_DATAPTR:
471 gctx->data_block = val;
476 case ATOM_WS_OR_MASK:
477 case ATOM_WS_AND_MASK:
479 case ATOM_WS_FB_WINDOW:
482 case ATOM_WS_ATTRIBUTES:
492 gctx->scratch[((gctx->fb_base + idx) / 4)] = val;
493 DEBUG("FB[0x%02X]", idx);
498 DEBUG("PLL[0x%02X]", idx);
499 gctx->card->pll_write(gctx->card, idx, val);
504 DEBUG("MC[0x%02X]", idx);
505 gctx->card->mc_write(gctx->card, idx, val);
510 DEBUG(".[31:0] <- 0x%08X\n", old_val);
513 DEBUG(".[15:0] <- 0x%04X\n", old_val);
516 DEBUG(".[23:8] <- 0x%04X\n", old_val);
518 case ATOM_SRC_WORD16:
519 DEBUG(".[31:16] <- 0x%04X\n", old_val);
522 DEBUG(".[7:0] <- 0x%02X\n", old_val);
525 DEBUG(".[15:8] <- 0x%02X\n", old_val);
527 case ATOM_SRC_BYTE16:
528 DEBUG(".[23:16] <- 0x%02X\n", old_val);
530 case ATOM_SRC_BYTE24:
531 DEBUG(".[31:24] <- 0x%02X\n", old_val);
536 static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg)
538 uint8_t attr = U8((*ptr)++);
539 uint32_t dst, src, saved;
542 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
544 src = atom_get_src(ctx, attr, ptr);
547 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
550 static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg)
552 uint8_t attr = U8((*ptr)++);
553 uint32_t dst, src, saved;
556 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
558 src = atom_get_src(ctx, attr, ptr);
561 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
564 static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg)
566 printk("ATOM BIOS beeped!\n");
569 static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg)
571 int idx = U8((*ptr)++);
572 if (idx < ATOM_TABLE_NAMES_CNT)
573 SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]);
575 SDEBUG(" table: %d\n", idx);
576 if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
577 atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
580 static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg)
582 uint8_t attr = U8((*ptr)++);
586 attr |= atom_def_dst[attr >> 3] << 6;
587 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
589 atom_put_dst(ctx, arg, attr, &dptr, 0, saved);
592 static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg)
594 uint8_t attr = U8((*ptr)++);
597 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
599 src = atom_get_src(ctx, attr, ptr);
600 ctx->ctx->cs_equal = (dst == src);
601 ctx->ctx->cs_above = (dst > src);
602 SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE",
603 ctx->ctx->cs_above ? "GT" : "LE");
606 static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
608 uint8_t count = U8((*ptr)++);
609 SDEBUG(" count: %d\n", count);
610 if (arg == ATOM_UNIT_MICROSEC)
611 schedule_timeout_uninterruptible(usecs_to_jiffies(count));
613 schedule_timeout_uninterruptible(msecs_to_jiffies(count));
616 static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg)
618 uint8_t attr = U8((*ptr)++);
621 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
623 src = atom_get_src(ctx, attr, ptr);
625 ctx->ctx->divmul[0] = dst / src;
626 ctx->ctx->divmul[1] = dst % src;
628 ctx->ctx->divmul[0] = 0;
629 ctx->ctx->divmul[1] = 0;
633 static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg)
635 /* functionally, a nop */
638 static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
640 int execute = 0, target = U16(*ptr);
643 case ATOM_COND_ABOVE:
644 execute = ctx->ctx->cs_above;
646 case ATOM_COND_ABOVEOREQUAL:
647 execute = ctx->ctx->cs_above || ctx->ctx->cs_equal;
649 case ATOM_COND_ALWAYS:
652 case ATOM_COND_BELOW:
653 execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal);
655 case ATOM_COND_BELOWOREQUAL:
656 execute = !ctx->ctx->cs_above;
658 case ATOM_COND_EQUAL:
659 execute = ctx->ctx->cs_equal;
661 case ATOM_COND_NOTEQUAL:
662 execute = !ctx->ctx->cs_equal;
665 if (arg != ATOM_COND_ALWAYS)
666 SDEBUG(" taken: %s\n", execute ? "yes" : "no");
667 SDEBUG(" target: 0x%04X\n", target);
669 *ptr = ctx->start + target;
672 static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
674 uint8_t attr = U8((*ptr)++);
675 uint32_t dst, src1, src2, saved;
678 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
680 src1 = atom_get_src(ctx, attr, ptr);
682 src2 = atom_get_src(ctx, attr, ptr);
686 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
689 static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg)
691 uint8_t attr = U8((*ptr)++);
694 if (((attr >> 3) & 7) != ATOM_SRC_DWORD)
695 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
697 atom_skip_dst(ctx, arg, attr, ptr);
701 src = atom_get_src(ctx, attr, ptr);
703 atom_put_dst(ctx, arg, attr, &dptr, src, saved);
706 static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg)
708 uint8_t attr = U8((*ptr)++);
711 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
713 src = atom_get_src(ctx, attr, ptr);
714 ctx->ctx->divmul[0] = dst * src;
717 static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg)
722 static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg)
724 uint8_t attr = U8((*ptr)++);
725 uint32_t dst, src, saved;
728 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
730 src = atom_get_src(ctx, attr, ptr);
733 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
736 static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg)
738 uint8_t val = U8((*ptr)++);
739 SDEBUG("POST card output: 0x%02X\n", val);
742 static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg)
744 printk(KERN_INFO "unimplemented!\n");
747 static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg)
749 printk(KERN_INFO "unimplemented!\n");
752 static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg)
754 printk(KERN_INFO "unimplemented!\n");
757 static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg)
761 SDEBUG(" block: %d\n", idx);
763 ctx->ctx->data_block = 0;
765 ctx->ctx->data_block = ctx->start;
767 ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx);
768 SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block);
771 static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg)
773 uint8_t attr = U8((*ptr)++);
774 SDEBUG(" fb_base: ");
775 ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr);
778 static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg)
784 if (port < ATOM_IO_NAMES_CNT)
785 SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]);
787 SDEBUG(" port: %d\n", port);
789 ctx->ctx->io_mode = ATOM_IO_MM;
791 ctx->ctx->io_mode = ATOM_IO_IIO | port;
795 ctx->ctx->io_mode = ATOM_IO_PCI;
798 case ATOM_PORT_SYSIO:
799 ctx->ctx->io_mode = ATOM_IO_SYSIO;
805 static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg)
807 ctx->ctx->reg_block = U16(*ptr);
809 SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
812 static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
814 uint8_t attr = U8((*ptr)++), shift;
818 attr |= atom_def_dst[attr >> 3] << 6;
820 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
821 shift = U8((*ptr)++);
822 SDEBUG(" shift: %d\n", shift);
825 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
828 static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
830 uint8_t attr = U8((*ptr)++), shift;
834 attr |= atom_def_dst[attr >> 3] << 6;
836 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
837 shift = U8((*ptr)++);
838 SDEBUG(" shift: %d\n", shift);
841 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
844 static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg)
846 uint8_t attr = U8((*ptr)++);
847 uint32_t dst, src, saved;
850 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
852 src = atom_get_src(ctx, attr, ptr);
855 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
858 static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg)
860 uint8_t attr = U8((*ptr)++);
861 uint32_t src, val, target;
863 src = atom_get_src(ctx, attr, ptr);
864 while (U16(*ptr) != ATOM_CASE_END)
865 if (U8(*ptr) == ATOM_CASE_MAGIC) {
869 atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM,
873 SDEBUG(" target: %04X\n", target);
874 *ptr = ctx->start + target;
879 printk(KERN_INFO "Bad case.\n");
885 static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg)
887 uint8_t attr = U8((*ptr)++);
890 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
892 src = atom_get_src(ctx, attr, ptr);
893 ctx->ctx->cs_equal = ((dst & src) == 0);
894 SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE");
897 static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg)
899 uint8_t attr = U8((*ptr)++);
900 uint32_t dst, src, saved;
903 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
905 src = atom_get_src(ctx, attr, ptr);
908 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
911 static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg)
913 printk(KERN_INFO "unimplemented!\n");
917 void (*func) (atom_exec_context *, int *, int);
919 } opcode_table[ATOM_OP_CNT] = {
922 atom_op_move, ATOM_ARG_REG}, {
923 atom_op_move, ATOM_ARG_PS}, {
924 atom_op_move, ATOM_ARG_WS}, {
925 atom_op_move, ATOM_ARG_FB}, {
926 atom_op_move, ATOM_ARG_PLL}, {
927 atom_op_move, ATOM_ARG_MC}, {
928 atom_op_and, ATOM_ARG_REG}, {
929 atom_op_and, ATOM_ARG_PS}, {
930 atom_op_and, ATOM_ARG_WS}, {
931 atom_op_and, ATOM_ARG_FB}, {
932 atom_op_and, ATOM_ARG_PLL}, {
933 atom_op_and, ATOM_ARG_MC}, {
934 atom_op_or, ATOM_ARG_REG}, {
935 atom_op_or, ATOM_ARG_PS}, {
936 atom_op_or, ATOM_ARG_WS}, {
937 atom_op_or, ATOM_ARG_FB}, {
938 atom_op_or, ATOM_ARG_PLL}, {
939 atom_op_or, ATOM_ARG_MC}, {
940 atom_op_shl, ATOM_ARG_REG}, {
941 atom_op_shl, ATOM_ARG_PS}, {
942 atom_op_shl, ATOM_ARG_WS}, {
943 atom_op_shl, ATOM_ARG_FB}, {
944 atom_op_shl, ATOM_ARG_PLL}, {
945 atom_op_shl, ATOM_ARG_MC}, {
946 atom_op_shr, ATOM_ARG_REG}, {
947 atom_op_shr, ATOM_ARG_PS}, {
948 atom_op_shr, ATOM_ARG_WS}, {
949 atom_op_shr, ATOM_ARG_FB}, {
950 atom_op_shr, ATOM_ARG_PLL}, {
951 atom_op_shr, ATOM_ARG_MC}, {
952 atom_op_mul, ATOM_ARG_REG}, {
953 atom_op_mul, ATOM_ARG_PS}, {
954 atom_op_mul, ATOM_ARG_WS}, {
955 atom_op_mul, ATOM_ARG_FB}, {
956 atom_op_mul, ATOM_ARG_PLL}, {
957 atom_op_mul, ATOM_ARG_MC}, {
958 atom_op_div, ATOM_ARG_REG}, {
959 atom_op_div, ATOM_ARG_PS}, {
960 atom_op_div, ATOM_ARG_WS}, {
961 atom_op_div, ATOM_ARG_FB}, {
962 atom_op_div, ATOM_ARG_PLL}, {
963 atom_op_div, ATOM_ARG_MC}, {
964 atom_op_add, ATOM_ARG_REG}, {
965 atom_op_add, ATOM_ARG_PS}, {
966 atom_op_add, ATOM_ARG_WS}, {
967 atom_op_add, ATOM_ARG_FB}, {
968 atom_op_add, ATOM_ARG_PLL}, {
969 atom_op_add, ATOM_ARG_MC}, {
970 atom_op_sub, ATOM_ARG_REG}, {
971 atom_op_sub, ATOM_ARG_PS}, {
972 atom_op_sub, ATOM_ARG_WS}, {
973 atom_op_sub, ATOM_ARG_FB}, {
974 atom_op_sub, ATOM_ARG_PLL}, {
975 atom_op_sub, ATOM_ARG_MC}, {
976 atom_op_setport, ATOM_PORT_ATI}, {
977 atom_op_setport, ATOM_PORT_PCI}, {
978 atom_op_setport, ATOM_PORT_SYSIO}, {
979 atom_op_setregblock, 0}, {
980 atom_op_setfbbase, 0}, {
981 atom_op_compare, ATOM_ARG_REG}, {
982 atom_op_compare, ATOM_ARG_PS}, {
983 atom_op_compare, ATOM_ARG_WS}, {
984 atom_op_compare, ATOM_ARG_FB}, {
985 atom_op_compare, ATOM_ARG_PLL}, {
986 atom_op_compare, ATOM_ARG_MC}, {
987 atom_op_switch, 0}, {
988 atom_op_jump, ATOM_COND_ALWAYS}, {
989 atom_op_jump, ATOM_COND_EQUAL}, {
990 atom_op_jump, ATOM_COND_BELOW}, {
991 atom_op_jump, ATOM_COND_ABOVE}, {
992 atom_op_jump, ATOM_COND_BELOWOREQUAL}, {
993 atom_op_jump, ATOM_COND_ABOVEOREQUAL}, {
994 atom_op_jump, ATOM_COND_NOTEQUAL}, {
995 atom_op_test, ATOM_ARG_REG}, {
996 atom_op_test, ATOM_ARG_PS}, {
997 atom_op_test, ATOM_ARG_WS}, {
998 atom_op_test, ATOM_ARG_FB}, {
999 atom_op_test, ATOM_ARG_PLL}, {
1000 atom_op_test, ATOM_ARG_MC}, {
1001 atom_op_delay, ATOM_UNIT_MILLISEC}, {
1002 atom_op_delay, ATOM_UNIT_MICROSEC}, {
1003 atom_op_calltable, 0}, {
1004 atom_op_repeat, 0}, {
1005 atom_op_clear, ATOM_ARG_REG}, {
1006 atom_op_clear, ATOM_ARG_PS}, {
1007 atom_op_clear, ATOM_ARG_WS}, {
1008 atom_op_clear, ATOM_ARG_FB}, {
1009 atom_op_clear, ATOM_ARG_PLL}, {
1010 atom_op_clear, ATOM_ARG_MC}, {
1013 atom_op_mask, ATOM_ARG_REG}, {
1014 atom_op_mask, ATOM_ARG_PS}, {
1015 atom_op_mask, ATOM_ARG_WS}, {
1016 atom_op_mask, ATOM_ARG_FB}, {
1017 atom_op_mask, ATOM_ARG_PLL}, {
1018 atom_op_mask, ATOM_ARG_MC}, {
1019 atom_op_postcard, 0}, {
1021 atom_op_savereg, 0}, {
1022 atom_op_restorereg, 0}, {
1023 atom_op_setdatablock, 0}, {
1024 atom_op_xor, ATOM_ARG_REG}, {
1025 atom_op_xor, ATOM_ARG_PS}, {
1026 atom_op_xor, ATOM_ARG_WS}, {
1027 atom_op_xor, ATOM_ARG_FB}, {
1028 atom_op_xor, ATOM_ARG_PLL}, {
1029 atom_op_xor, ATOM_ARG_MC}, {
1030 atom_op_shl, ATOM_ARG_REG}, {
1031 atom_op_shl, ATOM_ARG_PS}, {
1032 atom_op_shl, ATOM_ARG_WS}, {
1033 atom_op_shl, ATOM_ARG_FB}, {
1034 atom_op_shl, ATOM_ARG_PLL}, {
1035 atom_op_shl, ATOM_ARG_MC}, {
1036 atom_op_shr, ATOM_ARG_REG}, {
1037 atom_op_shr, ATOM_ARG_PS}, {
1038 atom_op_shr, ATOM_ARG_WS}, {
1039 atom_op_shr, ATOM_ARG_FB}, {
1040 atom_op_shr, ATOM_ARG_PLL}, {
1041 atom_op_shr, ATOM_ARG_MC}, {
1042 atom_op_debug, 0},};
1044 static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params)
1046 int base = CU16(ctx->cmd_table + 4 + 2 * index);
1047 int len, ws, ps, ptr;
1049 atom_exec_context ectx;
1054 len = CU16(base + ATOM_CT_SIZE_PTR);
1055 ws = CU8(base + ATOM_CT_WS_PTR);
1056 ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK;
1057 ptr = base + ATOM_CT_CODE_PTR;
1059 SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
1061 /* reset reg block */
1064 ectx.ps_shift = ps / 4;
1068 ectx.ws = kzalloc(4 * ws, GFP_KERNEL);
1075 if (op < ATOM_OP_NAMES_CNT)
1076 SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1);
1078 SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1);
1080 if (op < ATOM_OP_CNT && op > 0)
1081 opcode_table[op].func(&ectx, &ptr,
1082 opcode_table[op].arg);
1086 if (op == ATOM_OP_EOT)
1096 void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
1098 mutex_lock(&ctx->mutex);
1099 atom_execute_table_locked(ctx, index, params);
1100 mutex_unlock(&ctx->mutex);
1103 static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
1105 static void atom_index_iio(struct atom_context *ctx, int base)
1107 ctx->iio = kzalloc(2 * 256, GFP_KERNEL);
1108 while (CU8(base) == ATOM_IIO_START) {
1109 ctx->iio[CU8(base + 1)] = base + 2;
1111 while (CU8(base) != ATOM_IIO_END)
1112 base += atom_iio_len[CU8(base)];
1117 struct atom_context *atom_parse(struct card_info *card, void *bios)
1120 struct atom_context *ctx =
1121 kzalloc(sizeof(struct atom_context), GFP_KERNEL);
1129 if (CU16(0) != ATOM_BIOS_MAGIC) {
1130 printk(KERN_INFO "Invalid BIOS magic.\n");
1135 (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC,
1136 strlen(ATOM_ATI_MAGIC))) {
1137 printk(KERN_INFO "Invalid ATI magic.\n");
1142 base = CU16(ATOM_ROM_TABLE_PTR);
1144 (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC,
1145 strlen(ATOM_ROM_MAGIC))) {
1146 printk(KERN_INFO "Invalid ATOM magic.\n");
1151 ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR);
1152 ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR);
1153 atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4);
1155 str = CSTR(CU16(base + ATOM_ROM_MSG_PTR));
1156 while (*str && ((*str == '\n') || (*str == '\r')))
1158 /* name string isn't always 0 terminated */
1159 for (i = 0; i < 511; i++) {
1161 if (name[i] < '.' || name[i] > 'z') {
1166 printk(KERN_INFO "ATOM BIOS: %s\n", name);
1171 int atom_asic_init(struct atom_context *ctx)
1173 int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
1177 ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
1178 ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR));
1179 if (!ps[0] || !ps[1])
1182 if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
1184 atom_execute_table(ctx, ATOM_CMD_INIT, ps);
1189 void atom_destroy(struct atom_context *ctx)
1196 void atom_parse_data_header(struct atom_context *ctx, int index,
1197 uint16_t * size, uint8_t * frev, uint8_t * crev,
1198 uint16_t * data_start)
1200 int offset = index * 2 + 4;
1201 int idx = CU16(ctx->data_table + offset);
1206 *frev = CU8(idx + 2);
1208 *crev = CU8(idx + 3);
1213 void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
1216 int offset = index * 2 + 4;
1217 int idx = CU16(ctx->cmd_table + offset);
1220 *frev = CU8(idx + 2);
1222 *crev = CU8(idx + 3);
1226 int atom_allocate_fb_scratch(struct atom_context *ctx)
1228 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
1229 uint16_t data_offset;
1231 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
1233 atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset);
1235 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
1237 DRM_DEBUG("atom firmware requested %08x %dkb\n",
1238 firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
1239 firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
1241 usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
1242 if (usage_bytes == 0)
1243 usage_bytes = 20 * 1024;
1244 /* allocate some scratch memory */
1245 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);