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 void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params);
63 static uint32_t atom_arg_mask[8] =
64 { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000,
66 static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 };
68 static int atom_dst_to_src[8][4] = {
69 /* translate destination alignment field to the source alignment encoding */
79 static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
81 static int debug_depth = 0;
83 static void debug_print_spaces(int n)
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)
92 #define DEBUG(...) do { } while (0)
93 #define SDEBUG(...) do { } while (0)
96 static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
97 uint32_t index, uint32_t data)
99 uint32_t temp = 0xCDCDCDCD;
106 temp = ctx->card->reg_read(ctx->card, CU16(base + 1));
110 ctx->card->reg_write(ctx->card, CU16(base + 1), temp);
115 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
121 (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base +
125 case ATOM_IIO_MOVE_INDEX:
127 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
130 ((index >> CU8(base + 2)) &
131 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
135 case ATOM_IIO_MOVE_DATA:
137 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
140 ((data >> CU8(base + 2)) &
141 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
145 case ATOM_IIO_MOVE_ATTR:
147 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
151 io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 -
162 printk(KERN_INFO "Unknown IIO opcode.\n");
167 static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
168 int *ptr, uint32_t *saved, int print)
170 uint32_t idx, val = 0xCDCDCDCD, align, arg;
171 struct atom_context *gctx = ctx->ctx;
173 align = (attr >> 3) & 7;
179 DEBUG("REG[0x%04X]", idx);
180 idx += gctx->reg_block;
181 switch (gctx->io_mode) {
183 val = gctx->card->reg_read(gctx->card, idx);
187 "PCI registers are not implemented.\n");
191 "SYSIO registers are not implemented.\n");
194 if (!(gctx->io_mode & 0x80)) {
195 printk(KERN_INFO "Bad IO mode.\n");
198 if (!gctx->iio[gctx->io_mode & 0x7F]) {
200 "Undefined indirect IO read method %d.\n",
201 gctx->io_mode & 0x7F);
205 atom_iio_execute(gctx,
206 gctx->iio[gctx->io_mode & 0x7F],
213 val = le32_to_cpu(ctx->ps[idx]);
215 DEBUG("PS[0x%02X,0x%04X]", idx, val);
221 DEBUG("WS[0x%02X]", idx);
223 case ATOM_WS_QUOTIENT:
224 val = gctx->divmul[0];
226 case ATOM_WS_REMAINDER:
227 val = gctx->divmul[1];
229 case ATOM_WS_DATAPTR:
230 val = gctx->data_block;
235 case ATOM_WS_OR_MASK:
236 val = 1 << gctx->shift;
238 case ATOM_WS_AND_MASK:
239 val = ~(1 << gctx->shift);
241 case ATOM_WS_FB_WINDOW:
244 case ATOM_WS_ATTRIBUTES:
255 if (gctx->data_block)
256 DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block);
258 DEBUG("ID[0x%04X]", idx);
260 val = U32(idx + gctx->data_block);
266 DEBUG("FB[0x%02X]", idx);
267 printk(KERN_INFO "FB access is not implemented.\n");
275 DEBUG("IMM 0x%08X\n", val);
279 case ATOM_SRC_WORD16:
283 DEBUG("IMM 0x%04X\n", val);
287 case ATOM_SRC_BYTE16:
288 case ATOM_SRC_BYTE24:
292 DEBUG("IMM 0x%02X\n", val);
300 DEBUG("PLL[0x%02X]", idx);
301 val = gctx->card->pll_read(gctx->card, idx);
307 DEBUG("MC[0x%02X]", idx);
308 val = gctx->card->mc_read(gctx->card, idx);
313 val &= atom_arg_mask[align];
314 val >>= atom_arg_shift[align];
318 DEBUG(".[31:0] -> 0x%08X\n", val);
321 DEBUG(".[15:0] -> 0x%04X\n", val);
324 DEBUG(".[23:8] -> 0x%04X\n", val);
326 case ATOM_SRC_WORD16:
327 DEBUG(".[31:16] -> 0x%04X\n", val);
330 DEBUG(".[7:0] -> 0x%02X\n", val);
333 DEBUG(".[15:8] -> 0x%02X\n", val);
335 case ATOM_SRC_BYTE16:
336 DEBUG(".[23:16] -> 0x%02X\n", val);
338 case ATOM_SRC_BYTE24:
339 DEBUG(".[31:24] -> 0x%02X\n", val);
345 static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr)
347 uint32_t align = (attr >> 3) & 7, arg = attr & 7;
367 case ATOM_SRC_WORD16:
372 case ATOM_SRC_BYTE16:
373 case ATOM_SRC_BYTE24:
381 static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr)
383 return atom_get_src_int(ctx, attr, ptr, NULL, 1);
386 static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr,
387 int *ptr, uint32_t *saved, int print)
389 return atom_get_src_int(ctx,
390 arg | atom_dst_to_src[(attr >> 3) &
391 7][(attr >> 6) & 3] << 3,
395 static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr)
397 atom_skip_src_int(ctx,
398 arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) &
402 static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
403 int *ptr, uint32_t val, uint32_t saved)
406 atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val =
408 struct atom_context *gctx = ctx->ctx;
409 old_val &= atom_arg_mask[align] >> atom_arg_shift[align];
410 val <<= atom_arg_shift[align];
411 val &= atom_arg_mask[align];
412 saved &= ~atom_arg_mask[align];
418 DEBUG("REG[0x%04X]", idx);
419 idx += gctx->reg_block;
420 switch (gctx->io_mode) {
423 gctx->card->reg_write(gctx->card, idx,
426 gctx->card->reg_write(gctx->card, idx, val);
430 "PCI registers are not implemented.\n");
434 "SYSIO registers are not implemented.\n");
437 if (!(gctx->io_mode & 0x80)) {
438 printk(KERN_INFO "Bad IO mode.\n");
441 if (!gctx->iio[gctx->io_mode & 0xFF]) {
443 "Undefined indirect IO write method %d.\n",
444 gctx->io_mode & 0x7F);
447 atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF],
454 DEBUG("PS[0x%02X]", idx);
455 ctx->ps[idx] = cpu_to_le32(val);
460 DEBUG("WS[0x%02X]", idx);
462 case ATOM_WS_QUOTIENT:
463 gctx->divmul[0] = val;
465 case ATOM_WS_REMAINDER:
466 gctx->divmul[1] = val;
468 case ATOM_WS_DATAPTR:
469 gctx->data_block = val;
474 case ATOM_WS_OR_MASK:
475 case ATOM_WS_AND_MASK:
477 case ATOM_WS_FB_WINDOW:
480 case ATOM_WS_ATTRIBUTES:
490 DEBUG("FB[0x%02X]", idx);
491 printk(KERN_INFO "FB access is not implemented.\n");
496 DEBUG("PLL[0x%02X]", idx);
497 gctx->card->pll_write(gctx->card, idx, val);
502 DEBUG("MC[0x%02X]", idx);
503 gctx->card->mc_write(gctx->card, idx, val);
508 DEBUG(".[31:0] <- 0x%08X\n", old_val);
511 DEBUG(".[15:0] <- 0x%04X\n", old_val);
514 DEBUG(".[23:8] <- 0x%04X\n", old_val);
516 case ATOM_SRC_WORD16:
517 DEBUG(".[31:16] <- 0x%04X\n", old_val);
520 DEBUG(".[7:0] <- 0x%02X\n", old_val);
523 DEBUG(".[15:8] <- 0x%02X\n", old_val);
525 case ATOM_SRC_BYTE16:
526 DEBUG(".[23:16] <- 0x%02X\n", old_val);
528 case ATOM_SRC_BYTE24:
529 DEBUG(".[31:24] <- 0x%02X\n", old_val);
534 static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg)
536 uint8_t attr = U8((*ptr)++);
537 uint32_t dst, src, saved;
540 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
542 src = atom_get_src(ctx, attr, ptr);
545 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
548 static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg)
550 uint8_t attr = U8((*ptr)++);
551 uint32_t dst, src, saved;
554 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
556 src = atom_get_src(ctx, attr, ptr);
559 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
562 static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg)
564 printk("ATOM BIOS beeped!\n");
567 static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg)
569 int idx = U8((*ptr)++);
570 if (idx < ATOM_TABLE_NAMES_CNT)
571 SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]);
573 SDEBUG(" table: %d\n", idx);
574 if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
575 atom_execute_table(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
578 static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg)
580 uint8_t attr = U8((*ptr)++);
584 attr |= atom_def_dst[attr >> 3] << 6;
585 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
587 atom_put_dst(ctx, arg, attr, &dptr, 0, saved);
590 static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg)
592 uint8_t attr = U8((*ptr)++);
595 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
597 src = atom_get_src(ctx, attr, ptr);
598 ctx->ctx->cs_equal = (dst == src);
599 ctx->ctx->cs_above = (dst > src);
600 SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE",
601 ctx->ctx->cs_above ? "GT" : "LE");
604 static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
606 uint8_t count = U8((*ptr)++);
607 SDEBUG(" count: %d\n", count);
608 if (arg == ATOM_UNIT_MICROSEC)
609 schedule_timeout_uninterruptible(usecs_to_jiffies(count));
611 schedule_timeout_uninterruptible(msecs_to_jiffies(count));
614 static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg)
616 uint8_t attr = U8((*ptr)++);
619 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
621 src = atom_get_src(ctx, attr, ptr);
623 ctx->ctx->divmul[0] = dst / src;
624 ctx->ctx->divmul[1] = dst % src;
626 ctx->ctx->divmul[0] = 0;
627 ctx->ctx->divmul[1] = 0;
631 static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg)
633 /* functionally, a nop */
636 static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
638 int execute = 0, target = U16(*ptr);
641 case ATOM_COND_ABOVE:
642 execute = ctx->ctx->cs_above;
644 case ATOM_COND_ABOVEOREQUAL:
645 execute = ctx->ctx->cs_above || ctx->ctx->cs_equal;
647 case ATOM_COND_ALWAYS:
650 case ATOM_COND_BELOW:
651 execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal);
653 case ATOM_COND_BELOWOREQUAL:
654 execute = !ctx->ctx->cs_above;
656 case ATOM_COND_EQUAL:
657 execute = ctx->ctx->cs_equal;
659 case ATOM_COND_NOTEQUAL:
660 execute = !ctx->ctx->cs_equal;
663 if (arg != ATOM_COND_ALWAYS)
664 SDEBUG(" taken: %s\n", execute ? "yes" : "no");
665 SDEBUG(" target: 0x%04X\n", target);
667 *ptr = ctx->start + target;
670 static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
672 uint8_t attr = U8((*ptr)++);
673 uint32_t dst, src1, src2, saved;
676 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
678 src1 = atom_get_src(ctx, attr, ptr);
680 src2 = atom_get_src(ctx, attr, ptr);
684 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
687 static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg)
689 uint8_t attr = U8((*ptr)++);
692 if (((attr >> 3) & 7) != ATOM_SRC_DWORD)
693 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
695 atom_skip_dst(ctx, arg, attr, ptr);
699 src = atom_get_src(ctx, attr, ptr);
701 atom_put_dst(ctx, arg, attr, &dptr, src, saved);
704 static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg)
706 uint8_t attr = U8((*ptr)++);
709 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
711 src = atom_get_src(ctx, attr, ptr);
712 ctx->ctx->divmul[0] = dst * src;
715 static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg)
720 static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg)
722 uint8_t attr = U8((*ptr)++);
723 uint32_t dst, src, saved;
726 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
728 src = atom_get_src(ctx, attr, ptr);
731 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
734 static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg)
736 uint8_t val = U8((*ptr)++);
737 SDEBUG("POST card output: 0x%02X\n", val);
740 static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg)
742 printk(KERN_INFO "unimplemented!\n");
745 static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg)
747 printk(KERN_INFO "unimplemented!\n");
750 static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg)
752 printk(KERN_INFO "unimplemented!\n");
755 static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg)
759 SDEBUG(" block: %d\n", idx);
761 ctx->ctx->data_block = 0;
763 ctx->ctx->data_block = ctx->start;
765 ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx);
766 SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block);
769 static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg)
771 uint8_t attr = U8((*ptr)++);
772 SDEBUG(" fb_base: ");
773 ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr);
776 static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg)
782 if (port < ATOM_IO_NAMES_CNT)
783 SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]);
785 SDEBUG(" port: %d\n", port);
787 ctx->ctx->io_mode = ATOM_IO_MM;
789 ctx->ctx->io_mode = ATOM_IO_IIO | port;
793 ctx->ctx->io_mode = ATOM_IO_PCI;
796 case ATOM_PORT_SYSIO:
797 ctx->ctx->io_mode = ATOM_IO_SYSIO;
803 static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg)
805 ctx->ctx->reg_block = U16(*ptr);
807 SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
810 static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
812 uint8_t attr = U8((*ptr)++), shift;
816 attr |= atom_def_dst[attr >> 3] << 6;
818 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
819 shift = U8((*ptr)++);
820 SDEBUG(" shift: %d\n", shift);
823 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
826 static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
828 uint8_t attr = U8((*ptr)++), shift;
832 attr |= atom_def_dst[attr >> 3] << 6;
834 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
835 shift = U8((*ptr)++);
836 SDEBUG(" shift: %d\n", shift);
839 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
842 static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg)
844 uint8_t attr = U8((*ptr)++);
845 uint32_t dst, src, saved;
848 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
850 src = atom_get_src(ctx, attr, ptr);
853 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
856 static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg)
858 uint8_t attr = U8((*ptr)++);
859 uint32_t src, val, target;
861 src = atom_get_src(ctx, attr, ptr);
862 while (U16(*ptr) != ATOM_CASE_END)
863 if (U8(*ptr) == ATOM_CASE_MAGIC) {
867 atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM,
871 SDEBUG(" target: %04X\n", target);
872 *ptr = ctx->start + target;
877 printk(KERN_INFO "Bad case.\n");
883 static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg)
885 uint8_t attr = U8((*ptr)++);
888 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
890 src = atom_get_src(ctx, attr, ptr);
891 ctx->ctx->cs_equal = ((dst & src) == 0);
892 SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE");
895 static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg)
897 uint8_t attr = U8((*ptr)++);
898 uint32_t dst, src, saved;
901 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
903 src = atom_get_src(ctx, attr, ptr);
906 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
909 static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg)
911 printk(KERN_INFO "unimplemented!\n");
915 void (*func) (atom_exec_context *, int *, int);
917 } opcode_table[ATOM_OP_CNT] = {
920 atom_op_move, ATOM_ARG_REG}, {
921 atom_op_move, ATOM_ARG_PS}, {
922 atom_op_move, ATOM_ARG_WS}, {
923 atom_op_move, ATOM_ARG_FB}, {
924 atom_op_move, ATOM_ARG_PLL}, {
925 atom_op_move, ATOM_ARG_MC}, {
926 atom_op_and, ATOM_ARG_REG}, {
927 atom_op_and, ATOM_ARG_PS}, {
928 atom_op_and, ATOM_ARG_WS}, {
929 atom_op_and, ATOM_ARG_FB}, {
930 atom_op_and, ATOM_ARG_PLL}, {
931 atom_op_and, ATOM_ARG_MC}, {
932 atom_op_or, ATOM_ARG_REG}, {
933 atom_op_or, ATOM_ARG_PS}, {
934 atom_op_or, ATOM_ARG_WS}, {
935 atom_op_or, ATOM_ARG_FB}, {
936 atom_op_or, ATOM_ARG_PLL}, {
937 atom_op_or, ATOM_ARG_MC}, {
938 atom_op_shl, ATOM_ARG_REG}, {
939 atom_op_shl, ATOM_ARG_PS}, {
940 atom_op_shl, ATOM_ARG_WS}, {
941 atom_op_shl, ATOM_ARG_FB}, {
942 atom_op_shl, ATOM_ARG_PLL}, {
943 atom_op_shl, ATOM_ARG_MC}, {
944 atom_op_shr, ATOM_ARG_REG}, {
945 atom_op_shr, ATOM_ARG_PS}, {
946 atom_op_shr, ATOM_ARG_WS}, {
947 atom_op_shr, ATOM_ARG_FB}, {
948 atom_op_shr, ATOM_ARG_PLL}, {
949 atom_op_shr, ATOM_ARG_MC}, {
950 atom_op_mul, ATOM_ARG_REG}, {
951 atom_op_mul, ATOM_ARG_PS}, {
952 atom_op_mul, ATOM_ARG_WS}, {
953 atom_op_mul, ATOM_ARG_FB}, {
954 atom_op_mul, ATOM_ARG_PLL}, {
955 atom_op_mul, ATOM_ARG_MC}, {
956 atom_op_div, ATOM_ARG_REG}, {
957 atom_op_div, ATOM_ARG_PS}, {
958 atom_op_div, ATOM_ARG_WS}, {
959 atom_op_div, ATOM_ARG_FB}, {
960 atom_op_div, ATOM_ARG_PLL}, {
961 atom_op_div, ATOM_ARG_MC}, {
962 atom_op_add, ATOM_ARG_REG}, {
963 atom_op_add, ATOM_ARG_PS}, {
964 atom_op_add, ATOM_ARG_WS}, {
965 atom_op_add, ATOM_ARG_FB}, {
966 atom_op_add, ATOM_ARG_PLL}, {
967 atom_op_add, ATOM_ARG_MC}, {
968 atom_op_sub, ATOM_ARG_REG}, {
969 atom_op_sub, ATOM_ARG_PS}, {
970 atom_op_sub, ATOM_ARG_WS}, {
971 atom_op_sub, ATOM_ARG_FB}, {
972 atom_op_sub, ATOM_ARG_PLL}, {
973 atom_op_sub, ATOM_ARG_MC}, {
974 atom_op_setport, ATOM_PORT_ATI}, {
975 atom_op_setport, ATOM_PORT_PCI}, {
976 atom_op_setport, ATOM_PORT_SYSIO}, {
977 atom_op_setregblock, 0}, {
978 atom_op_setfbbase, 0}, {
979 atom_op_compare, ATOM_ARG_REG}, {
980 atom_op_compare, ATOM_ARG_PS}, {
981 atom_op_compare, ATOM_ARG_WS}, {
982 atom_op_compare, ATOM_ARG_FB}, {
983 atom_op_compare, ATOM_ARG_PLL}, {
984 atom_op_compare, ATOM_ARG_MC}, {
985 atom_op_switch, 0}, {
986 atom_op_jump, ATOM_COND_ALWAYS}, {
987 atom_op_jump, ATOM_COND_EQUAL}, {
988 atom_op_jump, ATOM_COND_BELOW}, {
989 atom_op_jump, ATOM_COND_ABOVE}, {
990 atom_op_jump, ATOM_COND_BELOWOREQUAL}, {
991 atom_op_jump, ATOM_COND_ABOVEOREQUAL}, {
992 atom_op_jump, ATOM_COND_NOTEQUAL}, {
993 atom_op_test, ATOM_ARG_REG}, {
994 atom_op_test, ATOM_ARG_PS}, {
995 atom_op_test, ATOM_ARG_WS}, {
996 atom_op_test, ATOM_ARG_FB}, {
997 atom_op_test, ATOM_ARG_PLL}, {
998 atom_op_test, ATOM_ARG_MC}, {
999 atom_op_delay, ATOM_UNIT_MILLISEC}, {
1000 atom_op_delay, ATOM_UNIT_MICROSEC}, {
1001 atom_op_calltable, 0}, {
1002 atom_op_repeat, 0}, {
1003 atom_op_clear, ATOM_ARG_REG}, {
1004 atom_op_clear, ATOM_ARG_PS}, {
1005 atom_op_clear, ATOM_ARG_WS}, {
1006 atom_op_clear, ATOM_ARG_FB}, {
1007 atom_op_clear, ATOM_ARG_PLL}, {
1008 atom_op_clear, ATOM_ARG_MC}, {
1011 atom_op_mask, ATOM_ARG_REG}, {
1012 atom_op_mask, ATOM_ARG_PS}, {
1013 atom_op_mask, ATOM_ARG_WS}, {
1014 atom_op_mask, ATOM_ARG_FB}, {
1015 atom_op_mask, ATOM_ARG_PLL}, {
1016 atom_op_mask, ATOM_ARG_MC}, {
1017 atom_op_postcard, 0}, {
1019 atom_op_savereg, 0}, {
1020 atom_op_restorereg, 0}, {
1021 atom_op_setdatablock, 0}, {
1022 atom_op_xor, ATOM_ARG_REG}, {
1023 atom_op_xor, ATOM_ARG_PS}, {
1024 atom_op_xor, ATOM_ARG_WS}, {
1025 atom_op_xor, ATOM_ARG_FB}, {
1026 atom_op_xor, ATOM_ARG_PLL}, {
1027 atom_op_xor, ATOM_ARG_MC}, {
1028 atom_op_shl, ATOM_ARG_REG}, {
1029 atom_op_shl, ATOM_ARG_PS}, {
1030 atom_op_shl, ATOM_ARG_WS}, {
1031 atom_op_shl, ATOM_ARG_FB}, {
1032 atom_op_shl, ATOM_ARG_PLL}, {
1033 atom_op_shl, ATOM_ARG_MC}, {
1034 atom_op_shr, ATOM_ARG_REG}, {
1035 atom_op_shr, ATOM_ARG_PS}, {
1036 atom_op_shr, ATOM_ARG_WS}, {
1037 atom_op_shr, ATOM_ARG_FB}, {
1038 atom_op_shr, ATOM_ARG_PLL}, {
1039 atom_op_shr, ATOM_ARG_MC}, {
1040 atom_op_debug, 0},};
1042 void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
1044 int base = CU16(ctx->cmd_table + 4 + 2 * index);
1045 int len, ws, ps, ptr;
1047 atom_exec_context ectx;
1052 len = CU16(base + ATOM_CT_SIZE_PTR);
1053 ws = CU8(base + ATOM_CT_WS_PTR);
1054 ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK;
1055 ptr = base + ATOM_CT_CODE_PTR;
1057 SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
1059 /* reset reg block */
1062 ectx.ps_shift = ps / 4;
1066 ectx.ws = kzalloc(4 * ws, GFP_KERNEL);
1073 if (op < ATOM_OP_NAMES_CNT)
1074 SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1);
1076 SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1);
1078 if (op < ATOM_OP_CNT && op > 0)
1079 opcode_table[op].func(&ectx, &ptr,
1080 opcode_table[op].arg);
1084 if (op == ATOM_OP_EOT)
1094 static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
1096 static void atom_index_iio(struct atom_context *ctx, int base)
1098 ctx->iio = kzalloc(2 * 256, GFP_KERNEL);
1099 while (CU8(base) == ATOM_IIO_START) {
1100 ctx->iio[CU8(base + 1)] = base + 2;
1102 while (CU8(base) != ATOM_IIO_END)
1103 base += atom_iio_len[CU8(base)];
1108 struct atom_context *atom_parse(struct card_info *card, void *bios)
1111 struct atom_context *ctx =
1112 kzalloc(sizeof(struct atom_context), GFP_KERNEL);
1120 if (CU16(0) != ATOM_BIOS_MAGIC) {
1121 printk(KERN_INFO "Invalid BIOS magic.\n");
1126 (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC,
1127 strlen(ATOM_ATI_MAGIC))) {
1128 printk(KERN_INFO "Invalid ATI magic.\n");
1133 base = CU16(ATOM_ROM_TABLE_PTR);
1135 (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC,
1136 strlen(ATOM_ROM_MAGIC))) {
1137 printk(KERN_INFO "Invalid ATOM magic.\n");
1142 ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR);
1143 ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR);
1144 atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4);
1146 str = CSTR(CU16(base + ATOM_ROM_MSG_PTR));
1147 while (*str && ((*str == '\n') || (*str == '\r')))
1149 /* name string isn't always 0 terminated */
1150 for (i = 0; i < 511; i++) {
1152 if (name[i] < '.' || name[i] > 'z') {
1157 printk(KERN_INFO "ATOM BIOS: %s\n", name);
1162 int atom_asic_init(struct atom_context *ctx)
1164 int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
1168 ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
1169 ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR));
1170 if (!ps[0] || !ps[1])
1173 if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
1175 atom_execute_table(ctx, ATOM_CMD_INIT, ps);
1180 void atom_destroy(struct atom_context *ctx)
1187 void atom_parse_data_header(struct atom_context *ctx, int index,
1188 uint16_t * size, uint8_t * frev, uint8_t * crev,
1189 uint16_t * data_start)
1191 int offset = index * 2 + 4;
1192 int idx = CU16(ctx->data_table + offset);
1197 *frev = CU8(idx + 2);
1199 *crev = CU8(idx + 3);
1204 void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
1207 int offset = index * 2 + 4;
1208 int idx = CU16(ctx->cmd_table + offset);
1211 *frev = CU8(idx + 2);
1213 *crev = CU8(idx + 3);