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"
37 #define ATOM_COND_ABOVE 0
38 #define ATOM_COND_ABOVEOREQUAL 1
39 #define ATOM_COND_ALWAYS 2
40 #define ATOM_COND_BELOW 3
41 #define ATOM_COND_BELOWOREQUAL 4
42 #define ATOM_COND_EQUAL 5
43 #define ATOM_COND_NOTEQUAL 6
45 #define ATOM_PORT_ATI 0
46 #define ATOM_PORT_PCI 1
47 #define ATOM_PORT_SYSIO 2
49 #define ATOM_UNIT_MICROSEC 0
50 #define ATOM_UNIT_MILLISEC 1
56 struct atom_context *ctx;
61 unsigned long last_jump_jiffies;
66 static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params);
67 int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params);
69 static uint32_t atom_arg_mask[8] = {
70 0xFFFFFFFF, 0x0000FFFF, 0x00FFFF00, 0xFFFF0000,
71 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
73 static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 };
75 static int atom_dst_to_src[8][4] = {
76 /* translate destination alignment field to the source alignment encoding */
86 static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
88 static int debug_depth = 0;
90 static void debug_print_spaces(int n)
96 #define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0)
97 #define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0)
99 #define DEBUG(...) do { } while (0)
100 #define SDEBUG(...) do { } while (0)
103 static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
104 uint32_t index, uint32_t data)
106 struct radeon_device *rdev = ctx->card->dev->dev_private;
107 uint32_t temp = 0xCDCDCDCD;
115 temp = ctx->card->ioreg_read(ctx->card, CU16(base + 1));
119 if (rdev->family == CHIP_RV515)
120 (void)ctx->card->ioreg_read(ctx->card, CU16(base + 1));
121 ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp);
126 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
132 (0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base +
136 case ATOM_IIO_MOVE_INDEX:
138 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
141 ((index >> CU8(base + 2)) &
142 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
146 case ATOM_IIO_MOVE_DATA:
148 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
151 ((data >> CU8(base + 2)) &
152 (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
156 case ATOM_IIO_MOVE_ATTR:
158 ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
162 io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 -
173 printk(KERN_INFO "Unknown IIO opcode.\n");
178 static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
179 int *ptr, uint32_t *saved, int print)
181 uint32_t idx, val = 0xCDCDCDCD, align, arg;
182 struct atom_context *gctx = ctx->ctx;
184 align = (attr >> 3) & 7;
190 DEBUG("REG[0x%04X]", idx);
191 idx += gctx->reg_block;
192 switch (gctx->io_mode) {
194 val = gctx->card->reg_read(gctx->card, idx);
198 "PCI registers are not implemented.\n");
202 "SYSIO registers are not implemented.\n");
205 if (!(gctx->io_mode & 0x80)) {
206 printk(KERN_INFO "Bad IO mode.\n");
209 if (!gctx->iio[gctx->io_mode & 0x7F]) {
211 "Undefined indirect IO read method %d.\n",
212 gctx->io_mode & 0x7F);
216 atom_iio_execute(gctx,
217 gctx->iio[gctx->io_mode & 0x7F],
224 /* get_unaligned_le32 avoids unaligned accesses from atombios
225 * tables, noticed on a DEC Alpha. */
226 val = get_unaligned_le32((u32 *)&ctx->ps[idx]);
228 DEBUG("PS[0x%02X,0x%04X]", idx, val);
234 DEBUG("WS[0x%02X]", idx);
236 case ATOM_WS_QUOTIENT:
237 val = gctx->divmul[0];
239 case ATOM_WS_REMAINDER:
240 val = gctx->divmul[1];
242 case ATOM_WS_DATAPTR:
243 val = gctx->data_block;
248 case ATOM_WS_OR_MASK:
249 val = 1 << gctx->shift;
251 case ATOM_WS_AND_MASK:
252 val = ~(1 << gctx->shift);
254 case ATOM_WS_FB_WINDOW:
257 case ATOM_WS_ATTRIBUTES:
261 val = gctx->reg_block;
271 if (gctx->data_block)
272 DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block);
274 DEBUG("ID[0x%04X]", idx);
276 val = U32(idx + gctx->data_block);
281 if ((gctx->fb_base + (idx * 4)) > gctx->scratch_size_bytes) {
282 DRM_ERROR("ATOM: fb read beyond scratch region: %d vs. %d\n",
283 gctx->fb_base + (idx * 4), gctx->scratch_size_bytes);
286 val = gctx->scratch[(gctx->fb_base / 4) + idx];
288 DEBUG("FB[0x%02X]", idx);
296 DEBUG("IMM 0x%08X\n", val);
300 case ATOM_SRC_WORD16:
304 DEBUG("IMM 0x%04X\n", val);
308 case ATOM_SRC_BYTE16:
309 case ATOM_SRC_BYTE24:
313 DEBUG("IMM 0x%02X\n", val);
321 DEBUG("PLL[0x%02X]", idx);
322 val = gctx->card->pll_read(gctx->card, idx);
328 DEBUG("MC[0x%02X]", idx);
329 val = gctx->card->mc_read(gctx->card, idx);
334 val &= atom_arg_mask[align];
335 val >>= atom_arg_shift[align];
339 DEBUG(".[31:0] -> 0x%08X\n", val);
342 DEBUG(".[15:0] -> 0x%04X\n", val);
345 DEBUG(".[23:8] -> 0x%04X\n", val);
347 case ATOM_SRC_WORD16:
348 DEBUG(".[31:16] -> 0x%04X\n", val);
351 DEBUG(".[7:0] -> 0x%02X\n", val);
354 DEBUG(".[15:8] -> 0x%02X\n", val);
356 case ATOM_SRC_BYTE16:
357 DEBUG(".[23:16] -> 0x%02X\n", val);
359 case ATOM_SRC_BYTE24:
360 DEBUG(".[31:24] -> 0x%02X\n", val);
366 static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr)
368 uint32_t align = (attr >> 3) & 7, arg = attr & 7;
388 case ATOM_SRC_WORD16:
393 case ATOM_SRC_BYTE16:
394 case ATOM_SRC_BYTE24:
402 static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr)
404 return atom_get_src_int(ctx, attr, ptr, NULL, 1);
407 static uint32_t atom_get_src_direct(atom_exec_context *ctx, uint8_t align, int *ptr)
409 uint32_t val = 0xCDCDCDCD;
418 case ATOM_SRC_WORD16:
424 case ATOM_SRC_BYTE16:
425 case ATOM_SRC_BYTE24:
433 static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr,
434 int *ptr, uint32_t *saved, int print)
436 return atom_get_src_int(ctx,
437 arg | atom_dst_to_src[(attr >> 3) &
438 7][(attr >> 6) & 3] << 3,
442 static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr)
444 atom_skip_src_int(ctx,
445 arg | atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) &
449 static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
450 int *ptr, uint32_t val, uint32_t saved)
453 atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val =
455 struct atom_context *gctx = ctx->ctx;
456 old_val &= atom_arg_mask[align] >> atom_arg_shift[align];
457 val <<= atom_arg_shift[align];
458 val &= atom_arg_mask[align];
459 saved &= ~atom_arg_mask[align];
465 DEBUG("REG[0x%04X]", idx);
466 idx += gctx->reg_block;
467 switch (gctx->io_mode) {
470 gctx->card->reg_write(gctx->card, idx,
473 gctx->card->reg_write(gctx->card, idx, val);
477 "PCI registers are not implemented.\n");
481 "SYSIO registers are not implemented.\n");
484 if (!(gctx->io_mode & 0x80)) {
485 printk(KERN_INFO "Bad IO mode.\n");
488 if (!gctx->iio[gctx->io_mode & 0xFF]) {
490 "Undefined indirect IO write method %d.\n",
491 gctx->io_mode & 0x7F);
494 atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF],
501 DEBUG("PS[0x%02X]", idx);
502 ctx->ps[idx] = cpu_to_le32(val);
507 DEBUG("WS[0x%02X]", idx);
509 case ATOM_WS_QUOTIENT:
510 gctx->divmul[0] = val;
512 case ATOM_WS_REMAINDER:
513 gctx->divmul[1] = val;
515 case ATOM_WS_DATAPTR:
516 gctx->data_block = val;
521 case ATOM_WS_OR_MASK:
522 case ATOM_WS_AND_MASK:
524 case ATOM_WS_FB_WINDOW:
527 case ATOM_WS_ATTRIBUTES:
531 gctx->reg_block = val;
540 if ((gctx->fb_base + (idx * 4)) > gctx->scratch_size_bytes) {
541 DRM_ERROR("ATOM: fb write beyond scratch region: %d vs. %d\n",
542 gctx->fb_base + (idx * 4), gctx->scratch_size_bytes);
544 gctx->scratch[(gctx->fb_base / 4) + idx] = val;
545 DEBUG("FB[0x%02X]", idx);
550 DEBUG("PLL[0x%02X]", idx);
551 gctx->card->pll_write(gctx->card, idx, val);
556 DEBUG("MC[0x%02X]", idx);
557 gctx->card->mc_write(gctx->card, idx, val);
562 DEBUG(".[31:0] <- 0x%08X\n", old_val);
565 DEBUG(".[15:0] <- 0x%04X\n", old_val);
568 DEBUG(".[23:8] <- 0x%04X\n", old_val);
570 case ATOM_SRC_WORD16:
571 DEBUG(".[31:16] <- 0x%04X\n", old_val);
574 DEBUG(".[7:0] <- 0x%02X\n", old_val);
577 DEBUG(".[15:8] <- 0x%02X\n", old_val);
579 case ATOM_SRC_BYTE16:
580 DEBUG(".[23:16] <- 0x%02X\n", old_val);
582 case ATOM_SRC_BYTE24:
583 DEBUG(".[31:24] <- 0x%02X\n", old_val);
588 static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg)
590 uint8_t attr = U8((*ptr)++);
591 uint32_t dst, src, saved;
594 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
596 src = atom_get_src(ctx, attr, ptr);
599 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
602 static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg)
604 uint8_t attr = U8((*ptr)++);
605 uint32_t dst, src, saved;
608 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
610 src = atom_get_src(ctx, attr, ptr);
613 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
616 static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg)
618 printk("ATOM BIOS beeped!\n");
621 static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg)
623 int idx = U8((*ptr)++);
626 if (idx < ATOM_TABLE_NAMES_CNT)
627 SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]);
629 SDEBUG(" table: %d\n", idx);
630 if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
631 r = atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
637 static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg)
639 uint8_t attr = U8((*ptr)++);
643 attr |= atom_def_dst[attr >> 3] << 6;
644 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
646 atom_put_dst(ctx, arg, attr, &dptr, 0, saved);
649 static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg)
651 uint8_t attr = U8((*ptr)++);
654 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
656 src = atom_get_src(ctx, attr, ptr);
657 ctx->ctx->cs_equal = (dst == src);
658 ctx->ctx->cs_above = (dst > src);
659 SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE",
660 ctx->ctx->cs_above ? "GT" : "LE");
663 static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
665 unsigned count = U8((*ptr)++);
666 SDEBUG(" count: %d\n", count);
667 if (arg == ATOM_UNIT_MICROSEC)
669 else if (!drm_can_sleep())
675 static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg)
677 uint8_t attr = U8((*ptr)++);
680 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
682 src = atom_get_src(ctx, attr, ptr);
684 ctx->ctx->divmul[0] = dst / src;
685 ctx->ctx->divmul[1] = dst % src;
687 ctx->ctx->divmul[0] = 0;
688 ctx->ctx->divmul[1] = 0;
692 static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg)
694 /* functionally, a nop */
697 static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
699 int execute = 0, target = U16(*ptr);
700 unsigned long cjiffies;
704 case ATOM_COND_ABOVE:
705 execute = ctx->ctx->cs_above;
707 case ATOM_COND_ABOVEOREQUAL:
708 execute = ctx->ctx->cs_above || ctx->ctx->cs_equal;
710 case ATOM_COND_ALWAYS:
713 case ATOM_COND_BELOW:
714 execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal);
716 case ATOM_COND_BELOWOREQUAL:
717 execute = !ctx->ctx->cs_above;
719 case ATOM_COND_EQUAL:
720 execute = ctx->ctx->cs_equal;
722 case ATOM_COND_NOTEQUAL:
723 execute = !ctx->ctx->cs_equal;
726 if (arg != ATOM_COND_ALWAYS)
727 SDEBUG(" taken: %s\n", execute ? "yes" : "no");
728 SDEBUG(" target: 0x%04X\n", target);
730 if (ctx->last_jump == (ctx->start + target)) {
732 if (time_after(cjiffies, ctx->last_jump_jiffies)) {
733 cjiffies -= ctx->last_jump_jiffies;
734 if ((jiffies_to_msecs(cjiffies) > 5000)) {
735 DRM_ERROR("atombios stuck in loop for more than 5secs aborting\n");
739 /* jiffies wrap around we will just wait a little longer */
740 ctx->last_jump_jiffies = jiffies;
743 ctx->last_jump = ctx->start + target;
744 ctx->last_jump_jiffies = jiffies;
746 *ptr = ctx->start + target;
750 static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
752 uint8_t attr = U8((*ptr)++);
753 uint32_t dst, mask, src, saved;
756 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
757 mask = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr);
758 SDEBUG(" mask: 0x%08x", mask);
760 src = atom_get_src(ctx, attr, ptr);
764 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
767 static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg)
769 uint8_t attr = U8((*ptr)++);
772 if (((attr >> 3) & 7) != ATOM_SRC_DWORD)
773 atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
775 atom_skip_dst(ctx, arg, attr, ptr);
779 src = atom_get_src(ctx, attr, ptr);
781 atom_put_dst(ctx, arg, attr, &dptr, src, saved);
784 static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg)
786 uint8_t attr = U8((*ptr)++);
789 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
791 src = atom_get_src(ctx, attr, ptr);
792 ctx->ctx->divmul[0] = dst * src;
795 static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg)
800 static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg)
802 uint8_t attr = U8((*ptr)++);
803 uint32_t dst, src, saved;
806 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
808 src = atom_get_src(ctx, attr, ptr);
811 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
814 static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg)
816 uint8_t val = U8((*ptr)++);
817 SDEBUG("POST card output: 0x%02X\n", val);
820 static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg)
822 printk(KERN_INFO "unimplemented!\n");
825 static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg)
827 printk(KERN_INFO "unimplemented!\n");
830 static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg)
832 printk(KERN_INFO "unimplemented!\n");
835 static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg)
839 SDEBUG(" block: %d\n", idx);
841 ctx->ctx->data_block = 0;
843 ctx->ctx->data_block = ctx->start;
845 ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx);
846 SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block);
849 static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg)
851 uint8_t attr = U8((*ptr)++);
852 SDEBUG(" fb_base: ");
853 ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr);
856 static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg)
862 if (port < ATOM_IO_NAMES_CNT)
863 SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]);
865 SDEBUG(" port: %d\n", port);
867 ctx->ctx->io_mode = ATOM_IO_MM;
869 ctx->ctx->io_mode = ATOM_IO_IIO | port;
873 ctx->ctx->io_mode = ATOM_IO_PCI;
876 case ATOM_PORT_SYSIO:
877 ctx->ctx->io_mode = ATOM_IO_SYSIO;
883 static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg)
885 ctx->ctx->reg_block = U16(*ptr);
887 SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
890 static void atom_op_shift_left(atom_exec_context *ctx, int *ptr, int arg)
892 uint8_t attr = U8((*ptr)++), shift;
896 attr |= atom_def_dst[attr >> 3] << 6;
898 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
899 shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
900 SDEBUG(" shift: %d\n", shift);
903 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
906 static void atom_op_shift_right(atom_exec_context *ctx, int *ptr, int arg)
908 uint8_t attr = U8((*ptr)++), shift;
912 attr |= atom_def_dst[attr >> 3] << 6;
914 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
915 shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
916 SDEBUG(" shift: %d\n", shift);
919 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
922 static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
924 uint8_t attr = U8((*ptr)++), shift;
927 uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3];
929 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
930 /* op needs to full dst value */
932 shift = atom_get_src(ctx, attr, ptr);
933 SDEBUG(" shift: %d\n", shift);
935 dst &= atom_arg_mask[dst_align];
936 dst >>= atom_arg_shift[dst_align];
938 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
941 static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
943 uint8_t attr = U8((*ptr)++), shift;
946 uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3];
948 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
949 /* op needs to full dst value */
951 shift = atom_get_src(ctx, attr, ptr);
952 SDEBUG(" shift: %d\n", shift);
954 dst &= atom_arg_mask[dst_align];
955 dst >>= atom_arg_shift[dst_align];
957 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
960 static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg)
962 uint8_t attr = U8((*ptr)++);
963 uint32_t dst, src, saved;
966 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
968 src = atom_get_src(ctx, attr, ptr);
971 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
974 static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg)
976 uint8_t attr = U8((*ptr)++);
977 uint32_t src, val, target;
979 src = atom_get_src(ctx, attr, ptr);
980 while (U16(*ptr) != ATOM_CASE_END)
981 if (U8(*ptr) == ATOM_CASE_MAGIC) {
985 atom_get_src(ctx, (attr & 0x38) | ATOM_ARG_IMM,
989 SDEBUG(" target: %04X\n", target);
990 *ptr = ctx->start + target;
995 printk(KERN_INFO "Bad case.\n");
1001 static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg)
1003 uint8_t attr = U8((*ptr)++);
1006 dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
1008 src = atom_get_src(ctx, attr, ptr);
1009 ctx->ctx->cs_equal = ((dst & src) == 0);
1010 SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE");
1013 static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg)
1015 uint8_t attr = U8((*ptr)++);
1016 uint32_t dst, src, saved;
1019 dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
1021 src = atom_get_src(ctx, attr, ptr);
1024 atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
1027 static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg)
1029 printk(KERN_INFO "unimplemented!\n");
1033 void (*func) (atom_exec_context *, int *, int);
1035 } opcode_table[ATOM_OP_CNT] = {
1038 atom_op_move, ATOM_ARG_REG}, {
1039 atom_op_move, ATOM_ARG_PS}, {
1040 atom_op_move, ATOM_ARG_WS}, {
1041 atom_op_move, ATOM_ARG_FB}, {
1042 atom_op_move, ATOM_ARG_PLL}, {
1043 atom_op_move, ATOM_ARG_MC}, {
1044 atom_op_and, ATOM_ARG_REG}, {
1045 atom_op_and, ATOM_ARG_PS}, {
1046 atom_op_and, ATOM_ARG_WS}, {
1047 atom_op_and, ATOM_ARG_FB}, {
1048 atom_op_and, ATOM_ARG_PLL}, {
1049 atom_op_and, ATOM_ARG_MC}, {
1050 atom_op_or, ATOM_ARG_REG}, {
1051 atom_op_or, ATOM_ARG_PS}, {
1052 atom_op_or, ATOM_ARG_WS}, {
1053 atom_op_or, ATOM_ARG_FB}, {
1054 atom_op_or, ATOM_ARG_PLL}, {
1055 atom_op_or, ATOM_ARG_MC}, {
1056 atom_op_shift_left, ATOM_ARG_REG}, {
1057 atom_op_shift_left, ATOM_ARG_PS}, {
1058 atom_op_shift_left, ATOM_ARG_WS}, {
1059 atom_op_shift_left, ATOM_ARG_FB}, {
1060 atom_op_shift_left, ATOM_ARG_PLL}, {
1061 atom_op_shift_left, ATOM_ARG_MC}, {
1062 atom_op_shift_right, ATOM_ARG_REG}, {
1063 atom_op_shift_right, ATOM_ARG_PS}, {
1064 atom_op_shift_right, ATOM_ARG_WS}, {
1065 atom_op_shift_right, ATOM_ARG_FB}, {
1066 atom_op_shift_right, ATOM_ARG_PLL}, {
1067 atom_op_shift_right, ATOM_ARG_MC}, {
1068 atom_op_mul, ATOM_ARG_REG}, {
1069 atom_op_mul, ATOM_ARG_PS}, {
1070 atom_op_mul, ATOM_ARG_WS}, {
1071 atom_op_mul, ATOM_ARG_FB}, {
1072 atom_op_mul, ATOM_ARG_PLL}, {
1073 atom_op_mul, ATOM_ARG_MC}, {
1074 atom_op_div, ATOM_ARG_REG}, {
1075 atom_op_div, ATOM_ARG_PS}, {
1076 atom_op_div, ATOM_ARG_WS}, {
1077 atom_op_div, ATOM_ARG_FB}, {
1078 atom_op_div, ATOM_ARG_PLL}, {
1079 atom_op_div, ATOM_ARG_MC}, {
1080 atom_op_add, ATOM_ARG_REG}, {
1081 atom_op_add, ATOM_ARG_PS}, {
1082 atom_op_add, ATOM_ARG_WS}, {
1083 atom_op_add, ATOM_ARG_FB}, {
1084 atom_op_add, ATOM_ARG_PLL}, {
1085 atom_op_add, ATOM_ARG_MC}, {
1086 atom_op_sub, ATOM_ARG_REG}, {
1087 atom_op_sub, ATOM_ARG_PS}, {
1088 atom_op_sub, ATOM_ARG_WS}, {
1089 atom_op_sub, ATOM_ARG_FB}, {
1090 atom_op_sub, ATOM_ARG_PLL}, {
1091 atom_op_sub, ATOM_ARG_MC}, {
1092 atom_op_setport, ATOM_PORT_ATI}, {
1093 atom_op_setport, ATOM_PORT_PCI}, {
1094 atom_op_setport, ATOM_PORT_SYSIO}, {
1095 atom_op_setregblock, 0}, {
1096 atom_op_setfbbase, 0}, {
1097 atom_op_compare, ATOM_ARG_REG}, {
1098 atom_op_compare, ATOM_ARG_PS}, {
1099 atom_op_compare, ATOM_ARG_WS}, {
1100 atom_op_compare, ATOM_ARG_FB}, {
1101 atom_op_compare, ATOM_ARG_PLL}, {
1102 atom_op_compare, ATOM_ARG_MC}, {
1103 atom_op_switch, 0}, {
1104 atom_op_jump, ATOM_COND_ALWAYS}, {
1105 atom_op_jump, ATOM_COND_EQUAL}, {
1106 atom_op_jump, ATOM_COND_BELOW}, {
1107 atom_op_jump, ATOM_COND_ABOVE}, {
1108 atom_op_jump, ATOM_COND_BELOWOREQUAL}, {
1109 atom_op_jump, ATOM_COND_ABOVEOREQUAL}, {
1110 atom_op_jump, ATOM_COND_NOTEQUAL}, {
1111 atom_op_test, ATOM_ARG_REG}, {
1112 atom_op_test, ATOM_ARG_PS}, {
1113 atom_op_test, ATOM_ARG_WS}, {
1114 atom_op_test, ATOM_ARG_FB}, {
1115 atom_op_test, ATOM_ARG_PLL}, {
1116 atom_op_test, ATOM_ARG_MC}, {
1117 atom_op_delay, ATOM_UNIT_MILLISEC}, {
1118 atom_op_delay, ATOM_UNIT_MICROSEC}, {
1119 atom_op_calltable, 0}, {
1120 atom_op_repeat, 0}, {
1121 atom_op_clear, ATOM_ARG_REG}, {
1122 atom_op_clear, ATOM_ARG_PS}, {
1123 atom_op_clear, ATOM_ARG_WS}, {
1124 atom_op_clear, ATOM_ARG_FB}, {
1125 atom_op_clear, ATOM_ARG_PLL}, {
1126 atom_op_clear, ATOM_ARG_MC}, {
1129 atom_op_mask, ATOM_ARG_REG}, {
1130 atom_op_mask, ATOM_ARG_PS}, {
1131 atom_op_mask, ATOM_ARG_WS}, {
1132 atom_op_mask, ATOM_ARG_FB}, {
1133 atom_op_mask, ATOM_ARG_PLL}, {
1134 atom_op_mask, ATOM_ARG_MC}, {
1135 atom_op_postcard, 0}, {
1137 atom_op_savereg, 0}, {
1138 atom_op_restorereg, 0}, {
1139 atom_op_setdatablock, 0}, {
1140 atom_op_xor, ATOM_ARG_REG}, {
1141 atom_op_xor, ATOM_ARG_PS}, {
1142 atom_op_xor, ATOM_ARG_WS}, {
1143 atom_op_xor, ATOM_ARG_FB}, {
1144 atom_op_xor, ATOM_ARG_PLL}, {
1145 atom_op_xor, ATOM_ARG_MC}, {
1146 atom_op_shl, ATOM_ARG_REG}, {
1147 atom_op_shl, ATOM_ARG_PS}, {
1148 atom_op_shl, ATOM_ARG_WS}, {
1149 atom_op_shl, ATOM_ARG_FB}, {
1150 atom_op_shl, ATOM_ARG_PLL}, {
1151 atom_op_shl, ATOM_ARG_MC}, {
1152 atom_op_shr, ATOM_ARG_REG}, {
1153 atom_op_shr, ATOM_ARG_PS}, {
1154 atom_op_shr, ATOM_ARG_WS}, {
1155 atom_op_shr, ATOM_ARG_FB}, {
1156 atom_op_shr, ATOM_ARG_PLL}, {
1157 atom_op_shr, ATOM_ARG_MC}, {
1158 atom_op_debug, 0},};
1160 static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params)
1162 int base = CU16(ctx->cmd_table + 4 + 2 * index);
1163 int len, ws, ps, ptr;
1165 atom_exec_context ectx;
1171 len = CU16(base + ATOM_CT_SIZE_PTR);
1172 ws = CU8(base + ATOM_CT_WS_PTR);
1173 ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK;
1174 ptr = base + ATOM_CT_CODE_PTR;
1176 SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
1179 ectx.ps_shift = ps / 4;
1185 ectx.ws = kzalloc(4 * ws, GFP_KERNEL);
1192 if (op < ATOM_OP_NAMES_CNT)
1193 SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1);
1195 SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1);
1197 DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n",
1198 base, len, ws, ps, ptr - 1);
1203 if (op < ATOM_OP_CNT && op > 0)
1204 opcode_table[op].func(&ectx, &ptr,
1205 opcode_table[op].arg);
1209 if (op == ATOM_OP_EOT)
1221 int atom_execute_table_scratch_unlocked(struct atom_context *ctx, int index, uint32_t * params)
1225 mutex_lock(&ctx->mutex);
1226 /* reset data block */
1227 ctx->data_block = 0;
1228 /* reset reg block */
1230 /* reset fb window */
1233 ctx->io_mode = ATOM_IO_MM;
1237 r = atom_execute_table_locked(ctx, index, params);
1238 mutex_unlock(&ctx->mutex);
1242 int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
1245 mutex_lock(&ctx->scratch_mutex);
1246 r = atom_execute_table_scratch_unlocked(ctx, index, params);
1247 mutex_unlock(&ctx->scratch_mutex);
1251 static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
1253 static void atom_index_iio(struct atom_context *ctx, int base)
1255 ctx->iio = kzalloc(2 * 256, GFP_KERNEL);
1258 while (CU8(base) == ATOM_IIO_START) {
1259 ctx->iio[CU8(base + 1)] = base + 2;
1261 while (CU8(base) != ATOM_IIO_END)
1262 base += atom_iio_len[CU8(base)];
1267 struct atom_context *atom_parse(struct card_info *card, void *bios)
1270 struct atom_context *ctx =
1271 kzalloc(sizeof(struct atom_context), GFP_KERNEL);
1282 if (CU16(0) != ATOM_BIOS_MAGIC) {
1283 printk(KERN_INFO "Invalid BIOS magic.\n");
1288 (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC,
1289 strlen(ATOM_ATI_MAGIC))) {
1290 printk(KERN_INFO "Invalid ATI magic.\n");
1295 base = CU16(ATOM_ROM_TABLE_PTR);
1297 (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC,
1298 strlen(ATOM_ROM_MAGIC))) {
1299 printk(KERN_INFO "Invalid ATOM magic.\n");
1304 ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR);
1305 ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR);
1306 atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4);
1312 str = CSTR(CU16(base + ATOM_ROM_MSG_PTR));
1313 while (*str && ((*str == '\n') || (*str == '\r')))
1315 /* name string isn't always 0 terminated */
1316 for (i = 0; i < 511; i++) {
1318 if (name[i] < '.' || name[i] > 'z') {
1323 printk(KERN_INFO "ATOM BIOS: %s\n", name);
1328 int atom_asic_init(struct atom_context *ctx)
1330 struct radeon_device *rdev = ctx->card->dev->dev_private;
1331 int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
1337 ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
1338 ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR));
1339 if (!ps[0] || !ps[1])
1342 if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
1344 ret = atom_execute_table(ctx, ATOM_CMD_INIT, ps);
1350 if (rdev->family < CHIP_R600) {
1351 if (CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_SPDFANCNTL))
1352 atom_execute_table(ctx, ATOM_CMD_SPDFANCNTL, ps);
1357 void atom_destroy(struct atom_context *ctx)
1363 bool atom_parse_data_header(struct atom_context *ctx, int index,
1364 uint16_t * size, uint8_t * frev, uint8_t * crev,
1365 uint16_t * data_start)
1367 int offset = index * 2 + 4;
1368 int idx = CU16(ctx->data_table + offset);
1369 u16 *mdt = (u16 *)(ctx->bios + ctx->data_table + 4);
1377 *frev = CU8(idx + 2);
1379 *crev = CU8(idx + 3);
1384 bool atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
1387 int offset = index * 2 + 4;
1388 int idx = CU16(ctx->cmd_table + offset);
1389 u16 *mct = (u16 *)(ctx->bios + ctx->cmd_table + 4);
1395 *frev = CU8(idx + 2);
1397 *crev = CU8(idx + 3);
1401 int atom_allocate_fb_scratch(struct atom_context *ctx)
1403 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
1404 uint16_t data_offset;
1405 int usage_bytes = 0;
1406 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
1408 if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
1409 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
1411 DRM_DEBUG("atom firmware requested %08x %dkb\n",
1412 le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
1413 le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
1415 usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
1417 ctx->scratch_size_bytes = 0;
1418 if (usage_bytes == 0)
1419 usage_bytes = 20 * 1024;
1420 /* allocate some scratch memory */
1421 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
1424 ctx->scratch_size_bytes = usage_bytes;