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
:
250 val
= gctx
->reg_block
;
260 if (gctx
->data_block
)
261 DEBUG("ID[0x%04X+%04X]", idx
, gctx
->data_block
);
263 DEBUG("ID[0x%04X]", idx
);
265 val
= U32(idx
+ gctx
->data_block
);
270 val
= gctx
->scratch
[((gctx
->fb_base
+ idx
) / 4)];
272 DEBUG("FB[0x%02X]", idx
);
280 DEBUG("IMM 0x%08X\n", val
);
284 case ATOM_SRC_WORD16
:
288 DEBUG("IMM 0x%04X\n", val
);
292 case ATOM_SRC_BYTE16
:
293 case ATOM_SRC_BYTE24
:
297 DEBUG("IMM 0x%02X\n", val
);
305 DEBUG("PLL[0x%02X]", idx
);
306 val
= gctx
->card
->pll_read(gctx
->card
, idx
);
312 DEBUG("MC[0x%02X]", idx
);
313 val
= gctx
->card
->mc_read(gctx
->card
, idx
);
318 val
&= atom_arg_mask
[align
];
319 val
>>= atom_arg_shift
[align
];
323 DEBUG(".[31:0] -> 0x%08X\n", val
);
326 DEBUG(".[15:0] -> 0x%04X\n", val
);
329 DEBUG(".[23:8] -> 0x%04X\n", val
);
331 case ATOM_SRC_WORD16
:
332 DEBUG(".[31:16] -> 0x%04X\n", val
);
335 DEBUG(".[7:0] -> 0x%02X\n", val
);
338 DEBUG(".[15:8] -> 0x%02X\n", val
);
340 case ATOM_SRC_BYTE16
:
341 DEBUG(".[23:16] -> 0x%02X\n", val
);
343 case ATOM_SRC_BYTE24
:
344 DEBUG(".[31:24] -> 0x%02X\n", val
);
350 static void atom_skip_src_int(atom_exec_context
*ctx
, uint8_t attr
, int *ptr
)
352 uint32_t align
= (attr
>> 3) & 7, arg
= attr
& 7;
372 case ATOM_SRC_WORD16
:
377 case ATOM_SRC_BYTE16
:
378 case ATOM_SRC_BYTE24
:
386 static uint32_t atom_get_src(atom_exec_context
*ctx
, uint8_t attr
, int *ptr
)
388 return atom_get_src_int(ctx
, attr
, ptr
, NULL
, 1);
391 static uint32_t atom_get_src_direct(atom_exec_context
*ctx
, uint8_t align
, int *ptr
)
393 uint32_t val
= 0xCDCDCDCD;
402 case ATOM_SRC_WORD16
:
408 case ATOM_SRC_BYTE16
:
409 case ATOM_SRC_BYTE24
:
417 static uint32_t atom_get_dst(atom_exec_context
*ctx
, int arg
, uint8_t attr
,
418 int *ptr
, uint32_t *saved
, int print
)
420 return atom_get_src_int(ctx
,
421 arg
| atom_dst_to_src
[(attr
>> 3) &
422 7][(attr
>> 6) & 3] << 3,
426 static void atom_skip_dst(atom_exec_context
*ctx
, int arg
, uint8_t attr
, int *ptr
)
428 atom_skip_src_int(ctx
,
429 arg
| atom_dst_to_src
[(attr
>> 3) & 7][(attr
>> 6) &
433 static void atom_put_dst(atom_exec_context
*ctx
, int arg
, uint8_t attr
,
434 int *ptr
, uint32_t val
, uint32_t saved
)
437 atom_dst_to_src
[(attr
>> 3) & 7][(attr
>> 6) & 3], old_val
=
439 struct atom_context
*gctx
= ctx
->ctx
;
440 old_val
&= atom_arg_mask
[align
] >> atom_arg_shift
[align
];
441 val
<<= atom_arg_shift
[align
];
442 val
&= atom_arg_mask
[align
];
443 saved
&= ~atom_arg_mask
[align
];
449 DEBUG("REG[0x%04X]", idx
);
450 idx
+= gctx
->reg_block
;
451 switch (gctx
->io_mode
) {
454 gctx
->card
->reg_write(gctx
->card
, idx
,
457 gctx
->card
->reg_write(gctx
->card
, idx
, val
);
461 "PCI registers are not implemented.\n");
465 "SYSIO registers are not implemented.\n");
468 if (!(gctx
->io_mode
& 0x80)) {
469 printk(KERN_INFO
"Bad IO mode.\n");
472 if (!gctx
->iio
[gctx
->io_mode
& 0xFF]) {
474 "Undefined indirect IO write method %d.\n",
475 gctx
->io_mode
& 0x7F);
478 atom_iio_execute(gctx
, gctx
->iio
[gctx
->io_mode
& 0xFF],
485 DEBUG("PS[0x%02X]", idx
);
486 ctx
->ps
[idx
] = cpu_to_le32(val
);
491 DEBUG("WS[0x%02X]", idx
);
493 case ATOM_WS_QUOTIENT
:
494 gctx
->divmul
[0] = val
;
496 case ATOM_WS_REMAINDER
:
497 gctx
->divmul
[1] = val
;
499 case ATOM_WS_DATAPTR
:
500 gctx
->data_block
= val
;
505 case ATOM_WS_OR_MASK
:
506 case ATOM_WS_AND_MASK
:
508 case ATOM_WS_FB_WINDOW
:
511 case ATOM_WS_ATTRIBUTES
:
515 gctx
->reg_block
= val
;
524 gctx
->scratch
[((gctx
->fb_base
+ idx
) / 4)] = val
;
525 DEBUG("FB[0x%02X]", idx
);
530 DEBUG("PLL[0x%02X]", idx
);
531 gctx
->card
->pll_write(gctx
->card
, idx
, val
);
536 DEBUG("MC[0x%02X]", idx
);
537 gctx
->card
->mc_write(gctx
->card
, idx
, val
);
542 DEBUG(".[31:0] <- 0x%08X\n", old_val
);
545 DEBUG(".[15:0] <- 0x%04X\n", old_val
);
548 DEBUG(".[23:8] <- 0x%04X\n", old_val
);
550 case ATOM_SRC_WORD16
:
551 DEBUG(".[31:16] <- 0x%04X\n", old_val
);
554 DEBUG(".[7:0] <- 0x%02X\n", old_val
);
557 DEBUG(".[15:8] <- 0x%02X\n", old_val
);
559 case ATOM_SRC_BYTE16
:
560 DEBUG(".[23:16] <- 0x%02X\n", old_val
);
562 case ATOM_SRC_BYTE24
:
563 DEBUG(".[31:24] <- 0x%02X\n", old_val
);
568 static void atom_op_add(atom_exec_context
*ctx
, int *ptr
, int arg
)
570 uint8_t attr
= U8((*ptr
)++);
571 uint32_t dst
, src
, saved
;
574 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
576 src
= atom_get_src(ctx
, attr
, ptr
);
579 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
582 static void atom_op_and(atom_exec_context
*ctx
, int *ptr
, int arg
)
584 uint8_t attr
= U8((*ptr
)++);
585 uint32_t dst
, src
, saved
;
588 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
590 src
= atom_get_src(ctx
, attr
, ptr
);
593 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
596 static void atom_op_beep(atom_exec_context
*ctx
, int *ptr
, int arg
)
598 printk("ATOM BIOS beeped!\n");
601 static void atom_op_calltable(atom_exec_context
*ctx
, int *ptr
, int arg
)
603 int idx
= U8((*ptr
)++);
604 if (idx
< ATOM_TABLE_NAMES_CNT
)
605 SDEBUG(" table: %d (%s)\n", idx
, atom_table_names
[idx
]);
607 SDEBUG(" table: %d\n", idx
);
608 if (U16(ctx
->ctx
->cmd_table
+ 4 + 2 * idx
))
609 atom_execute_table_locked(ctx
->ctx
, idx
, ctx
->ps
+ ctx
->ps_shift
);
612 static void atom_op_clear(atom_exec_context
*ctx
, int *ptr
, int arg
)
614 uint8_t attr
= U8((*ptr
)++);
618 attr
|= atom_def_dst
[attr
>> 3] << 6;
619 atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 0);
621 atom_put_dst(ctx
, arg
, attr
, &dptr
, 0, saved
);
624 static void atom_op_compare(atom_exec_context
*ctx
, int *ptr
, int arg
)
626 uint8_t attr
= U8((*ptr
)++);
629 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, NULL
, 1);
631 src
= atom_get_src(ctx
, attr
, ptr
);
632 ctx
->ctx
->cs_equal
= (dst
== src
);
633 ctx
->ctx
->cs_above
= (dst
> src
);
634 SDEBUG(" result: %s %s\n", ctx
->ctx
->cs_equal
? "EQ" : "NE",
635 ctx
->ctx
->cs_above
? "GT" : "LE");
638 static void atom_op_delay(atom_exec_context
*ctx
, int *ptr
, int arg
)
640 uint8_t count
= U8((*ptr
)++);
641 SDEBUG(" count: %d\n", count
);
642 if (arg
== ATOM_UNIT_MICROSEC
)
643 schedule_timeout_uninterruptible(usecs_to_jiffies(count
));
645 schedule_timeout_uninterruptible(msecs_to_jiffies(count
));
648 static void atom_op_div(atom_exec_context
*ctx
, int *ptr
, int arg
)
650 uint8_t attr
= U8((*ptr
)++);
653 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, NULL
, 1);
655 src
= atom_get_src(ctx
, attr
, ptr
);
657 ctx
->ctx
->divmul
[0] = dst
/ src
;
658 ctx
->ctx
->divmul
[1] = dst
% src
;
660 ctx
->ctx
->divmul
[0] = 0;
661 ctx
->ctx
->divmul
[1] = 0;
665 static void atom_op_eot(atom_exec_context
*ctx
, int *ptr
, int arg
)
667 /* functionally, a nop */
670 static void atom_op_jump(atom_exec_context
*ctx
, int *ptr
, int arg
)
672 int execute
= 0, target
= U16(*ptr
);
675 case ATOM_COND_ABOVE
:
676 execute
= ctx
->ctx
->cs_above
;
678 case ATOM_COND_ABOVEOREQUAL
:
679 execute
= ctx
->ctx
->cs_above
|| ctx
->ctx
->cs_equal
;
681 case ATOM_COND_ALWAYS
:
684 case ATOM_COND_BELOW
:
685 execute
= !(ctx
->ctx
->cs_above
|| ctx
->ctx
->cs_equal
);
687 case ATOM_COND_BELOWOREQUAL
:
688 execute
= !ctx
->ctx
->cs_above
;
690 case ATOM_COND_EQUAL
:
691 execute
= ctx
->ctx
->cs_equal
;
693 case ATOM_COND_NOTEQUAL
:
694 execute
= !ctx
->ctx
->cs_equal
;
697 if (arg
!= ATOM_COND_ALWAYS
)
698 SDEBUG(" taken: %s\n", execute
? "yes" : "no");
699 SDEBUG(" target: 0x%04X\n", target
);
701 *ptr
= ctx
->start
+ target
;
704 static void atom_op_mask(atom_exec_context
*ctx
, int *ptr
, int arg
)
706 uint8_t attr
= U8((*ptr
)++);
707 uint32_t dst
, src1
, src2
, saved
;
710 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
712 src1
= atom_get_src_direct(ctx
, ((attr
>> 3) & 7), ptr
);
714 src2
= atom_get_src(ctx
, attr
, ptr
);
718 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
721 static void atom_op_move(atom_exec_context
*ctx
, int *ptr
, int arg
)
723 uint8_t attr
= U8((*ptr
)++);
726 if (((attr
>> 3) & 7) != ATOM_SRC_DWORD
)
727 atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 0);
729 atom_skip_dst(ctx
, arg
, attr
, ptr
);
733 src
= atom_get_src(ctx
, attr
, ptr
);
735 atom_put_dst(ctx
, arg
, attr
, &dptr
, src
, saved
);
738 static void atom_op_mul(atom_exec_context
*ctx
, int *ptr
, int arg
)
740 uint8_t attr
= U8((*ptr
)++);
743 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, NULL
, 1);
745 src
= atom_get_src(ctx
, attr
, ptr
);
746 ctx
->ctx
->divmul
[0] = dst
* src
;
749 static void atom_op_nop(atom_exec_context
*ctx
, int *ptr
, int arg
)
754 static void atom_op_or(atom_exec_context
*ctx
, int *ptr
, int arg
)
756 uint8_t attr
= U8((*ptr
)++);
757 uint32_t dst
, src
, saved
;
760 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
762 src
= atom_get_src(ctx
, attr
, ptr
);
765 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
768 static void atom_op_postcard(atom_exec_context
*ctx
, int *ptr
, int arg
)
770 uint8_t val
= U8((*ptr
)++);
771 SDEBUG("POST card output: 0x%02X\n", val
);
774 static void atom_op_repeat(atom_exec_context
*ctx
, int *ptr
, int arg
)
776 printk(KERN_INFO
"unimplemented!\n");
779 static void atom_op_restorereg(atom_exec_context
*ctx
, int *ptr
, int arg
)
781 printk(KERN_INFO
"unimplemented!\n");
784 static void atom_op_savereg(atom_exec_context
*ctx
, int *ptr
, int arg
)
786 printk(KERN_INFO
"unimplemented!\n");
789 static void atom_op_setdatablock(atom_exec_context
*ctx
, int *ptr
, int arg
)
793 SDEBUG(" block: %d\n", idx
);
795 ctx
->ctx
->data_block
= 0;
797 ctx
->ctx
->data_block
= ctx
->start
;
799 ctx
->ctx
->data_block
= U16(ctx
->ctx
->data_table
+ 4 + 2 * idx
);
800 SDEBUG(" base: 0x%04X\n", ctx
->ctx
->data_block
);
803 static void atom_op_setfbbase(atom_exec_context
*ctx
, int *ptr
, int arg
)
805 uint8_t attr
= U8((*ptr
)++);
806 SDEBUG(" fb_base: ");
807 ctx
->ctx
->fb_base
= atom_get_src(ctx
, attr
, ptr
);
810 static void atom_op_setport(atom_exec_context
*ctx
, int *ptr
, int arg
)
816 if (port
< ATOM_IO_NAMES_CNT
)
817 SDEBUG(" port: %d (%s)\n", port
, atom_io_names
[port
]);
819 SDEBUG(" port: %d\n", port
);
821 ctx
->ctx
->io_mode
= ATOM_IO_MM
;
823 ctx
->ctx
->io_mode
= ATOM_IO_IIO
| port
;
827 ctx
->ctx
->io_mode
= ATOM_IO_PCI
;
830 case ATOM_PORT_SYSIO
:
831 ctx
->ctx
->io_mode
= ATOM_IO_SYSIO
;
837 static void atom_op_setregblock(atom_exec_context
*ctx
, int *ptr
, int arg
)
839 ctx
->ctx
->reg_block
= U16(*ptr
);
841 SDEBUG(" base: 0x%04X\n", ctx
->ctx
->reg_block
);
844 static void atom_op_shift_left(atom_exec_context
*ctx
, int *ptr
, int arg
)
846 uint8_t attr
= U8((*ptr
)++), shift
;
850 attr
|= atom_def_dst
[attr
>> 3] << 6;
852 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
853 shift
= atom_get_src_direct(ctx
, ATOM_SRC_BYTE0
, ptr
);
854 SDEBUG(" shift: %d\n", shift
);
857 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
860 static void atom_op_shift_right(atom_exec_context
*ctx
, int *ptr
, int arg
)
862 uint8_t attr
= U8((*ptr
)++), shift
;
866 attr
|= atom_def_dst
[attr
>> 3] << 6;
868 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
869 shift
= atom_get_src_direct(ctx
, ATOM_SRC_BYTE0
, ptr
);
870 SDEBUG(" shift: %d\n", shift
);
873 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
876 static void atom_op_shl(atom_exec_context
*ctx
, int *ptr
, int arg
)
878 uint8_t attr
= U8((*ptr
)++), shift
;
882 attr
|= atom_def_dst
[attr
>> 3] << 6;
884 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
885 shift
= atom_get_src(ctx
, attr
, ptr
);
886 SDEBUG(" shift: %d\n", shift
);
889 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
892 static void atom_op_shr(atom_exec_context
*ctx
, int *ptr
, int arg
)
894 uint8_t attr
= U8((*ptr
)++), shift
;
898 attr
|= atom_def_dst
[attr
>> 3] << 6;
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
);