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>
27 #include <linux/slab.h>
28 #include <asm/unaligned.h>
33 #include "atom-names.h"
34 #include "atom-bits.h"
36 #define ATOM_COND_ABOVE 0
37 #define ATOM_COND_ABOVEOREQUAL 1
38 #define ATOM_COND_ALWAYS 2
39 #define ATOM_COND_BELOW 3
40 #define ATOM_COND_BELOWOREQUAL 4
41 #define ATOM_COND_EQUAL 5
42 #define ATOM_COND_NOTEQUAL 6
44 #define ATOM_PORT_ATI 0
45 #define ATOM_PORT_PCI 1
46 #define ATOM_PORT_SYSIO 2
48 #define ATOM_UNIT_MICROSEC 0
49 #define ATOM_UNIT_MILLISEC 1
55 struct atom_context *ctx;
63 static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params);
64 void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params);
66 static uint32_t atom_arg_mask[8] =
67 { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000,
69 static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 };
71 static int atom_dst_to_src[8][4] = {
72 /* translate destination alignment field to the source alignment encoding */
82 static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
84 static int debug_depth = 0;
86 static void debug_print_spaces(int n)
92 #define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0)
93 #define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0)
95 #define DEBUG(...) do { } while (0)
96 #define SDEBUG(...) do { } while (0)
99 static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
100 uint32_t index, uint32_t data)
102 uint32_t temp = 0xCDCDCDCD;
109 temp = ctx->card->reg_read(ctx->card, CU16(base + 1));
113 (void)ctx->card->reg_read(ctx->card, CU16(base + 1));
114 ctx->card->reg_write(ctx->card, CU16(base + 1), temp);
119 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
125 (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base +
129 case ATOM_IIO_MOVE_INDEX:
131 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
134 ((index >> CU8(base + 2)) &
135 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
139 case ATOM_IIO_MOVE_DATA:
141 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
144 ((data >> CU8(base + 2)) &
145 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
149 case ATOM_IIO_MOVE_ATTR:
151 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
155 io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 -
166 printk(KERN_INFO "Unknown IIO opcode.\n");
171 static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
172 int *ptr, uint32_t *saved, int print)
174 uint32_t idx, val = 0xCDCDCDCD, align, arg;
175 struct atom_context *gctx = ctx->ctx;
177 align = (attr >> 3) & 7;
183 DEBUG("REG[0x%04X]", idx);
184 idx += gctx->reg_block;
185 switch (gctx->io_mode) {
187 val = gctx->card->reg_read(gctx->card, idx);
191 "PCI registers are not implemented.\n");
195 "SYSIO registers are not implemented.\n");
198 if (!(gctx->io_mode & 0x80)) {
199 printk(KERN_INFO "Bad IO mode.\n");
202 if (!gctx->iio[gctx->io_mode & 0x7F]) {
204 "Undefined indirect IO read method %d.\n",
205 gctx->io_mode & 0x7F);
209 atom_iio_execute(gctx,
210 gctx->iio[gctx->io_mode & 0x7F],
217 /* get_unaligned_le32 avoids unaligned accesses from atombios
218 * tables, noticed on a DEC Alpha. */
219 val = get_unaligned_le32((u32 *)&ctx->ps[idx]);
221 DEBUG("PS[0x%02X,0x%04X]", idx, val);
227 DEBUG("WS[0x%02X]", idx);
229 case ATOM_WS_QUOTIENT:
230 val = gctx->divmul[0];
232 case ATOM_WS_REMAINDER:
233 val = gctx->divmul[1];
235 case ATOM_WS_DATAPTR:
236 val = gctx->data_block;
241 case ATOM_WS_OR_MASK:
242 val = 1 << gctx->shift;
244 case ATOM_WS_AND_MASK:
245 val = ~(1 << gctx->shift);
247 case ATOM_WS_FB_WINDOW:
250 case ATOM_WS_ATTRIBUTES:
254 val = gctx->reg_block;
264 if (gctx->data_block)
265 DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block);
267 DEBUG("ID[0x%04X]", idx);
269 val = U32(idx + gctx->data_block);
274 val = gctx->scratch[((gctx->fb_base + idx) / 4)];
276 DEBUG("FB[0x%02X]", idx);
284 DEBUG("IMM 0x%08X\n", val);
288 case ATOM_SRC_WORD16:
292 DEBUG("IMM 0x%04X\n", val);
296 case ATOM_SRC_BYTE16:
297 case ATOM_SRC_BYTE24:
301 DEBUG("IMM 0x%02X\n", val);
309 DEBUG("PLL[0x%02X]", idx);
310 val = gctx->card->pll_read(gctx->card, idx);
316 DEBUG("MC[0x%02X]", idx);
317 val = gctx->card->mc_read(gctx->card, idx);
322 val &= atom_arg_mask[align];
323 val >>= atom_arg_shift[align];
327 DEBUG(".[31:0] -> 0x%08X\n", val);
330 DEBUG(".[15:0] -> 0x%04X\n", val);
333 DEBUG(".[23:8] -> 0x%04X\n", val);
335 case ATOM_SRC_WORD16:
336 DEBUG(".[31:16] -> 0x%04X\n", val);
339 DEBUG(".[7:0] -> 0x%02X\n", val);
342 DEBUG(".[15:8] -> 0x%02X\n", val);
344 case ATOM_SRC_BYTE16:
345 DEBUG(".[23:16] -> 0x%02X\n", val);
347 case ATOM_SRC_BYTE24:
348 DEBUG(".[31:24] -> 0x%02X\n", val);
354 static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr)
356 uint32_t align = (attr >> 3) & 7, arg = attr & 7;
376 case ATOM_SRC_WORD16:
381 case ATOM_SRC_BYTE16:
382 case ATOM_SRC_BYTE24:
390 static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr)
392 return atom_get_src_int(ctx, attr, ptr, NULL, 1);
395 static uint32_t atom_get_src_direct(atom_exec_context *ctx, uint8_t align, int *ptr)
397 uint32_t val = 0xCDCDCDCD;
406 case ATOM_SRC_WORD16:
412 case ATOM_SRC_BYTE16:
413 case ATOM_SRC_BYTE24:
421 static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr,
422 int *ptr, uint32_t *saved, int print)
424 return atom_get_src_int(ctx,
425 arg | atom_dst_to_src[(attr >> 3) &
426 7][(attr >> 6) & 3] << 3,
430 static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr)
432 atom_skip_src_int(ctx,
433 arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) &
437 static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
438 int *ptr, uint32_t val, uint32_t saved)
441 atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val =
443 struct atom_context *gctx = ctx->ctx;
444 old_val &= atom_arg_mask[align] >> atom_arg_shift[align];
445 val <<= atom_arg_shift[align];
446 val &= atom_arg_mask[align];
447 saved &= ~atom_arg_mask[align];
453 DEBUG("REG[0x%04X]", idx);
454 idx += gctx->reg_block;
455 switch (gctx->io_mode) {
458 gctx->card->reg_write(gctx->card, idx,
461 gctx->card->reg_write(gctx->card, idx, val);
465 "PCI registers are not implemented.\n");
469 "SYSIO registers are not implemented.\n");
472 if (!(gctx->io_mode & 0x80)) {
473 printk(KERN_INFO "Bad IO mode.\n");
476 if (!gctx->iio[gctx->io_mode & 0xFF]) {
478 "Undefined indirect IO write method %d.\n",
479 gctx->io_mode & 0x7F);
482 atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF],
489 DEBUG("PS[0x%02X]", idx);
490 ctx->ps[idx] = cpu_to_le32(val);
495 DEBUG("WS[0x%02X]", idx);
497 case ATOM_WS_QUOTIENT:
498 gctx->divmul[0] = val;
500 case ATOM_WS_REMAINDER:
501 gctx->divmul[1] = val;
503 case ATOM_WS_DATAPTR:
504 gctx->data_block = val;
509 case ATOM_WS_OR_MASK:
510 case ATOM_WS_AND_MASK:
512 case ATOM_WS_FB_WINDOW:
515 case ATOM_WS_ATTRIBUTES:
519 gctx->reg_block = val;
528 gctx->scratch[((gctx->fb_base + idx) / 4)] = val;
529 DEBUG("FB[0x%02X]", idx);
534 DEBUG("PLL[0x%02X]", idx);
535 gctx->card->pll_write(gctx->card, idx, val);
540 DEBUG("MC[0x%02X]", idx);
541 gctx->card->mc_write(gctx->card, idx, val);
546 DEBUG(".[31:0] <- 0x%08X\n", old_val);
549 DEBUG(".[15:0] <- 0x%04X\n", old_val);
552 DEBUG(".[23:8] <- 0x%04X\n", old_val);
554 case ATOM_SRC_WORD16:
555 DEBUG(".[31:16] <- 0x%04X\n", old_val);
558 DEBUG(".[7:0] <- 0x%02X\n", old_val);
561 DEBUG(".[15:8] <- 0x%02X\n", old_val);
563 case ATOM_SRC_BYTE16:
564 DEBUG(".[23:16] <- 0x%02X\n", old_val);
566 case ATOM_SRC_BYTE24:
567 DEBUG(".[31:24] <- 0x%02X\n", old_val);
572 static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg)
574 uint8_t attr = U8((*ptr)++);
575 uint32_t dst, src, saved;
578 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
580 src = atom_get_src(ctx, attr, ptr);
583 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
586 static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg)
588 uint8_t attr = U8((*ptr)++);
589 uint32_t dst, src, saved;
592 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
594 src = atom_get_src(ctx, attr, ptr);
597 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
600 static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg)
602 printk("ATOM BIOS beeped!\n");
605 static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg)
607 int idx = U8((*ptr)++);
608 if (idx < ATOM_TABLE_NAMES_CNT)
609 SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]);
611 SDEBUG(" table: %d\n", idx);
612 if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
613 atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
616 static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg)
618 uint8_t attr = U8((*ptr)++);
622 attr |= atom_def_dst[attr >> 3] << 6;
623 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
625 atom_put_dst(ctx, arg, attr, &dptr, 0, saved);
628 static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg)
630 uint8_t attr = U8((*ptr)++);
633 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
635 src = atom_get_src(ctx, attr, ptr);
636 ctx->ctx->cs_equal = (dst == src);
637 ctx->ctx->cs_above = (dst > src);
638 SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE",
639 ctx->ctx->cs_above ? "GT" : "LE");
642 static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
644 uint8_t count = U8((*ptr)++);
645 SDEBUG(" count: %d\n", count);
646 if (arg == ATOM_UNIT_MICROSEC)
649 schedule_timeout_uninterruptible(msecs_to_jiffies(count));
652 static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg)
654 uint8_t attr = U8((*ptr)++);
657 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
659 src = atom_get_src(ctx, attr, ptr);
661 ctx->ctx->divmul[0] = dst / src;
662 ctx->ctx->divmul[1] = dst % src;
664 ctx->ctx->divmul[0] = 0;
665 ctx->ctx->divmul[1] = 0;
669 static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg)
671 /* functionally, a nop */
674 static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
676 int execute = 0, target = U16(*ptr);
679 case ATOM_COND_ABOVE:
680 execute = ctx->ctx->cs_above;
682 case ATOM_COND_ABOVEOREQUAL:
683 execute = ctx->ctx->cs_above || ctx->ctx->cs_equal;
685 case ATOM_COND_ALWAYS:
688 case ATOM_COND_BELOW:
689 execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal);
691 case ATOM_COND_BELOWOREQUAL:
692 execute = !ctx->ctx->cs_above;
694 case ATOM_COND_EQUAL:
695 execute = ctx->ctx->cs_equal;
697 case ATOM_COND_NOTEQUAL:
698 execute = !ctx->ctx->cs_equal;
701 if (arg != ATOM_COND_ALWAYS)
702 SDEBUG(" taken: %s\n", execute ? "yes" : "no");
703 SDEBUG(" target: 0x%04X\n", target);
705 *ptr = ctx->start + target;
708 static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
710 uint8_t attr = U8((*ptr)++);
711 uint32_t dst, src1, src2, saved;
714 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
716 src1 = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr);
718 src2 = atom_get_src(ctx, attr, ptr);
722 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
725 static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg)
727 uint8_t attr = U8((*ptr)++);
730 if (((attr >> 3) & 7) != ATOM_SRC_DWORD)
731 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
733 atom_skip_dst(ctx, arg, attr, ptr);
737 src = atom_get_src(ctx, attr, ptr);
739 atom_put_dst(ctx, arg, attr, &dptr, src, saved);
742 static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg)
744 uint8_t attr = U8((*ptr)++);
747 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
749 src = atom_get_src(ctx, attr, ptr);
750 ctx->ctx->divmul[0] = dst * src;
753 static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg)
758 static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg)
760 uint8_t attr = U8((*ptr)++);
761 uint32_t dst, src, saved;
764 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
766 src = atom_get_src(ctx, attr, ptr);
769 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
772 static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg)
774 uint8_t val = U8((*ptr)++);
775 SDEBUG("POST card output: 0x%02X\n", val);
778 static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg)
780 printk(KERN_INFO "unimplemented!\n");
783 static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg)
785 printk(KERN_INFO "unimplemented!\n");
788 static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg)
790 printk(KERN_INFO "unimplemented!\n");
793 static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg)
797 SDEBUG(" block: %d\n", idx);
799 ctx->ctx->data_block = 0;
801 ctx->ctx->data_block = ctx->start;
803 ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx);
804 SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block);
807 static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg)
809 uint8_t attr = U8((*ptr)++);
810 SDEBUG(" fb_base: ");
811 ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr);
814 static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg)
820 if (port < ATOM_IO_NAMES_CNT)
821 SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]);
823 SDEBUG(" port: %d\n", port);
825 ctx->ctx->io_mode = ATOM_IO_MM;
827 ctx->ctx->io_mode = ATOM_IO_IIO | port;
831 ctx->ctx->io_mode = ATOM_IO_PCI;
834 case ATOM_PORT_SYSIO:
835 ctx->ctx->io_mode = ATOM_IO_SYSIO;
841 static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg)
843 ctx->ctx->reg_block = U16(*ptr);
845 SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
848 static void atom_op_shift_left(atom_exec_context *ctx, int *ptr, int arg)
850 uint8_t attr = U8((*ptr)++), shift;
854 attr |= atom_def_dst[attr >> 3] << 6;
856 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
857 shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
858 SDEBUG(" shift: %d\n", shift);
861 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
864 static void atom_op_shift_right(atom_exec_context *ctx, int *ptr, int arg)
866 uint8_t attr = U8((*ptr)++), shift;
870 attr |= atom_def_dst[attr >> 3] << 6;
872 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
873 shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
874 SDEBUG(" shift: %d\n", shift);
877 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
880 static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
882 uint8_t attr = U8((*ptr)++), shift;
886 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
887 shift = atom_get_src(ctx, attr, ptr);
888 SDEBUG(" shift: %d\n", shift);
891 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
894 static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
896 uint8_t attr = U8((*ptr)++), shift;
900 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
901 shift = atom_get_src(ctx, attr, ptr);
902 SDEBUG(" shift: %d\n", shift);
905 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
908 static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg)
910 uint8_t attr = U8((*ptr)++);
911 uint32_t dst, src, saved;
914 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
916 src = atom_get_src(ctx, attr, ptr);
919 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
922 static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg)
924 uint8_t attr = U8((*ptr)++);
925 uint32_t src, val, target;
927 src = atom_get_src(ctx, attr, ptr);
928 while (U16(*ptr) != ATOM_CASE_END)
929 if (U8(*ptr) == ATOM_CASE_MAGIC) {
933 atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM,
937 SDEBUG(" target: %04X\n", target);
938 *ptr = ctx->start + target;
943 printk(KERN_INFO "Bad case.\n");
949 static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg)
951 uint8_t attr = U8((*ptr)++);
954 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
956 src = atom_get_src(ctx, attr, ptr);
957 ctx->ctx->cs_equal = ((dst & src) == 0);
958 SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE");
961 static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg)
963 uint8_t attr = U8((*ptr)++);
964 uint32_t dst, src, saved;
967 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
969 src = atom_get_src(ctx, attr, ptr);
972 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
975 static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg)
977 printk(KERN_INFO "unimplemented!\n");
981 void (*func) (atom_exec_context *, int *, int);
983 } opcode_table[ATOM_OP_CNT] = {
986 atom_op_move, ATOM_ARG_REG}, {
987 atom_op_move, ATOM_ARG_PS}, {
988 atom_op_move, ATOM_ARG_WS}, {
989 atom_op_move, ATOM_ARG_FB}, {
990 atom_op_move, ATOM_ARG_PLL}, {
991 atom_op_move, ATOM_ARG_MC}, {
992 atom_op_and, ATOM_ARG_REG}, {
993 atom_op_and, ATOM_ARG_PS}, {
994 atom_op_and, ATOM_ARG_WS}, {
995 atom_op_and, ATOM_ARG_FB}, {
996 atom_op_and, ATOM_ARG_PLL}, {
997 atom_op_and, ATOM_ARG_MC}, {
998 atom_op_or, ATOM_ARG_REG}, {
999 atom_op_or, ATOM_ARG_PS}, {
1000 atom_op_or, ATOM_ARG_WS}, {
1001 atom_op_or, ATOM_ARG_FB}, {
1002 atom_op_or, ATOM_ARG_PLL}, {
1003 atom_op_or, ATOM_ARG_MC}, {
1004 atom_op_shift_left, ATOM_ARG_REG}, {
1005 atom_op_shift_left, ATOM_ARG_PS}, {
1006 atom_op_shift_left, ATOM_ARG_WS}, {
1007 atom_op_shift_left, ATOM_ARG_FB}, {
1008 atom_op_shift_left, ATOM_ARG_PLL}, {
1009 atom_op_shift_left, ATOM_ARG_MC}, {
1010 atom_op_shift_right, ATOM_ARG_REG}, {
1011 atom_op_shift_right, ATOM_ARG_PS}, {
1012 atom_op_shift_right, ATOM_ARG_WS}, {
1013 atom_op_shift_right, ATOM_ARG_FB}, {
1014 atom_op_shift_right, ATOM_ARG_PLL}, {
1015 atom_op_shift_right, ATOM_ARG_MC}, {
1016 atom_op_mul, ATOM_ARG_REG}, {
1017 atom_op_mul, ATOM_ARG_PS}, {
1018 atom_op_mul, ATOM_ARG_WS}, {
1019 atom_op_mul, ATOM_ARG_FB}, {
1020 atom_op_mul, ATOM_ARG_PLL}, {
1021 atom_op_mul, ATOM_ARG_MC}, {
1022 atom_op_div, ATOM_ARG_REG}, {
1023 atom_op_div, ATOM_ARG_PS}, {
1024 atom_op_div, ATOM_ARG_WS}, {
1025 atom_op_div, ATOM_ARG_FB}, {
1026 atom_op_div, ATOM_ARG_PLL}, {
1027 atom_op_div, ATOM_ARG_MC}, {
1028 atom_op_add, ATOM_ARG_REG}, {
1029 atom_op_add, ATOM_ARG_PS}, {
1030 atom_op_add, ATOM_ARG_WS}, {
1031 atom_op_add, ATOM_ARG_FB}, {
1032 atom_op_add, ATOM_ARG_PLL}, {
1033 atom_op_add, ATOM_ARG_MC}, {
1034 atom_op_sub, ATOM_ARG_REG}, {
1035 atom_op_sub, ATOM_ARG_PS}, {
1036 atom_op_sub, ATOM_ARG_WS}, {
1037 atom_op_sub, ATOM_ARG_FB}, {
1038 atom_op_sub, ATOM_ARG_PLL}, {
1039 atom_op_sub, ATOM_ARG_MC}, {
1040 atom_op_setport, ATOM_PORT_ATI}, {
1041 atom_op_setport, ATOM_PORT_PCI}, {
1042 atom_op_setport, ATOM_PORT_SYSIO}, {
1043 atom_op_setregblock, 0}, {
1044 atom_op_setfbbase, 0}, {
1045 atom_op_compare, ATOM_ARG_REG}, {
1046 atom_op_compare, ATOM_ARG_PS}, {
1047 atom_op_compare, ATOM_ARG_WS}, {
1048 atom_op_compare, ATOM_ARG_FB}, {
1049 atom_op_compare, ATOM_ARG_PLL}, {
1050 atom_op_compare, ATOM_ARG_MC}, {
1051 atom_op_switch, 0}, {
1052 atom_op_jump, ATOM_COND_ALWAYS}, {
1053 atom_op_jump, ATOM_COND_EQUAL}, {
1054 atom_op_jump, ATOM_COND_BELOW}, {
1055 atom_op_jump, ATOM_COND_ABOVE}, {
1056 atom_op_jump, ATOM_COND_BELOWOREQUAL}, {
1057 atom_op_jump, ATOM_COND_ABOVEOREQUAL}, {
1058 atom_op_jump, ATOM_COND_NOTEQUAL}, {
1059 atom_op_test, ATOM_ARG_REG}, {
1060 atom_op_test, ATOM_ARG_PS}, {
1061 atom_op_test, ATOM_ARG_WS}, {
1062 atom_op_test, ATOM_ARG_FB}, {
1063 atom_op_test, ATOM_ARG_PLL}, {
1064 atom_op_test, ATOM_ARG_MC}, {
1065 atom_op_delay, ATOM_UNIT_MILLISEC}, {
1066 atom_op_delay, ATOM_UNIT_MICROSEC}, {
1067 atom_op_calltable, 0}, {
1068 atom_op_repeat, 0}, {
1069 atom_op_clear, ATOM_ARG_REG}, {
1070 atom_op_clear, ATOM_ARG_PS}, {
1071 atom_op_clear, ATOM_ARG_WS}, {
1072 atom_op_clear, ATOM_ARG_FB}, {
1073 atom_op_clear, ATOM_ARG_PLL}, {
1074 atom_op_clear, ATOM_ARG_MC}, {
1077 atom_op_mask, ATOM_ARG_REG}, {
1078 atom_op_mask, ATOM_ARG_PS}, {
1079 atom_op_mask, ATOM_ARG_WS}, {
1080 atom_op_mask, ATOM_ARG_FB}, {
1081 atom_op_mask, ATOM_ARG_PLL}, {
1082 atom_op_mask, ATOM_ARG_MC}, {
1083 atom_op_postcard, 0}, {
1085 atom_op_savereg, 0}, {
1086 atom_op_restorereg, 0}, {
1087 atom_op_setdatablock, 0}, {
1088 atom_op_xor, ATOM_ARG_REG}, {
1089 atom_op_xor, ATOM_ARG_PS}, {
1090 atom_op_xor, ATOM_ARG_WS}, {
1091 atom_op_xor, ATOM_ARG_FB}, {
1092 atom_op_xor, ATOM_ARG_PLL}, {
1093 atom_op_xor, ATOM_ARG_MC}, {
1094 atom_op_shl, ATOM_ARG_REG}, {
1095 atom_op_shl, ATOM_ARG_PS}, {
1096 atom_op_shl, ATOM_ARG_WS}, {
1097 atom_op_shl, ATOM_ARG_FB}, {
1098 atom_op_shl, ATOM_ARG_PLL}, {
1099 atom_op_shl, ATOM_ARG_MC}, {
1100 atom_op_shr, ATOM_ARG_REG}, {
1101 atom_op_shr, ATOM_ARG_PS}, {
1102 atom_op_shr, ATOM_ARG_WS}, {
1103 atom_op_shr, ATOM_ARG_FB}, {
1104 atom_op_shr, ATOM_ARG_PLL}, {
1105 atom_op_shr, ATOM_ARG_MC}, {
1106 atom_op_debug, 0},};
1108 static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params)
1110 int base = CU16(ctx->cmd_table + 4 + 2 * index);
1111 int len, ws, ps, ptr;
1113 atom_exec_context ectx;
1118 len = CU16(base + ATOM_CT_SIZE_PTR);
1119 ws = CU8(base + ATOM_CT_WS_PTR);
1120 ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK;
1121 ptr = base + ATOM_CT_CODE_PTR;
1123 SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
1126 ectx.ps_shift = ps / 4;
1130 ectx.ws = kzalloc(4 * ws, GFP_KERNEL);
1137 if (op < ATOM_OP_NAMES_CNT)
1138 SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1);
1140 SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1);
1142 if (op < ATOM_OP_CNT && op > 0)
1143 opcode_table[op].func(&ectx, &ptr,
1144 opcode_table[op].arg);
1148 if (op == ATOM_OP_EOT)
1158 void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
1160 mutex_lock(&ctx->mutex);
1161 /* reset reg block */
1163 /* reset fb window */
1166 ctx->io_mode = ATOM_IO_MM;
1167 atom_execute_table_locked(ctx, index, params);
1168 mutex_unlock(&ctx->mutex);
1171 static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
1173 static void atom_index_iio(struct atom_context *ctx, int base)
1175 ctx->iio = kzalloc(2 * 256, GFP_KERNEL);
1176 while (CU8(base) == ATOM_IIO_START) {
1177 ctx->iio[CU8(base + 1)] = base + 2;
1179 while (CU8(base) != ATOM_IIO_END)
1180 base += atom_iio_len[CU8(base)];
1185 struct atom_context *atom_parse(struct card_info *card, void *bios)
1188 struct atom_context *ctx =
1189 kzalloc(sizeof(struct atom_context), GFP_KERNEL);
1197 if (CU16(0) != ATOM_BIOS_MAGIC) {
1198 printk(KERN_INFO "Invalid BIOS magic.\n");
1203 (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC,
1204 strlen(ATOM_ATI_MAGIC))) {
1205 printk(KERN_INFO "Invalid ATI magic.\n");
1210 base = CU16(ATOM_ROM_TABLE_PTR);
1212 (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC,
1213 strlen(ATOM_ROM_MAGIC))) {
1214 printk(KERN_INFO "Invalid ATOM magic.\n");
1219 ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR);
1220 ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR);
1221 atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4);
1223 str = CSTR(CU16(base + ATOM_ROM_MSG_PTR));
1224 while (*str && ((*str == '\n') || (*str == '\r')))
1226 /* name string isn't always 0 terminated */
1227 for (i = 0; i < 511; i++) {
1229 if (name[i] < '.' || name[i] > 'z') {
1234 printk(KERN_INFO "ATOM BIOS: %s\n", name);
1239 int atom_asic_init(struct atom_context *ctx)
1241 int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
1245 ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
1246 ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR));
1247 if (!ps[0] || !ps[1])
1250 if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
1252 atom_execute_table(ctx, ATOM_CMD_INIT, ps);
1257 void atom_destroy(struct atom_context *ctx)
1264 void atom_parse_data_header(struct atom_context *ctx, int index,
1265 uint16_t * size, uint8_t * frev, uint8_t * crev,
1266 uint16_t * data_start)
1268 int offset = index * 2 + 4;
1269 int idx = CU16(ctx->data_table + offset);
1274 *frev = CU8(idx + 2);
1276 *crev = CU8(idx + 3);
1281 void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
1284 int offset = index * 2 + 4;
1285 int idx = CU16(ctx->cmd_table + offset);
1288 *frev = CU8(idx + 2);
1290 *crev = CU8(idx + 3);
1294 int atom_allocate_fb_scratch(struct atom_context *ctx)
1296 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
1297 uint16_t data_offset;
1299 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
1301 atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset);
1303 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
1305 DRM_DEBUG("atom firmware requested %08x %dkb\n",
1306 firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
1307 firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
1309 usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
1310 if (usage_bytes == 0)
1311 usage_bytes = 20 * 1024;
1312 /* allocate some scratch memory */
1313 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);