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, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000,
72 static int atom_arg_shift
[8] = { 0, 0, 8, 16, 0, 8, 16, 24 };
74 static int atom_dst_to_src
[8][4] = {
75 /* translate destination alignment field to the source alignment encoding */
85 static int atom_def_dst
[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
87 static int debug_depth
= 0;
89 static void debug_print_spaces(int n
)
95 #define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0)
96 #define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while (0)
98 #define DEBUG(...) do { } while (0)
99 #define SDEBUG(...) do { } while (0)
102 static uint32_t atom_iio_execute(struct atom_context
*ctx
, int base
,
103 uint32_t index
, uint32_t data
)
105 struct radeon_device
*rdev
= ctx
->card
->dev
->dev_private
;
106 uint32_t temp
= 0xCDCDCDCD;
114 temp
= ctx
->card
->ioreg_read(ctx
->card
, CU16(base
+ 1));
118 if (rdev
->family
== CHIP_RV515
)
119 (void)ctx
->card
->ioreg_read(ctx
->card
, CU16(base
+ 1));
120 ctx
->card
->ioreg_write(ctx
->card
, CU16(base
+ 1), temp
);
125 ~((0xFFFFFFFF >> (32 - CU8(base
+ 1))) <<
131 (0xFFFFFFFF >> (32 - CU8(base
+ 1))) << CU8(base
+
135 case ATOM_IIO_MOVE_INDEX
:
137 ~((0xFFFFFFFF >> (32 - CU8(base
+ 1))) <<
140 ((index
>> CU8(base
+ 2)) &
141 (0xFFFFFFFF >> (32 - CU8(base
+ 1)))) << CU8(base
+
145 case ATOM_IIO_MOVE_DATA
:
147 ~((0xFFFFFFFF >> (32 - CU8(base
+ 1))) <<
150 ((data
>> CU8(base
+ 2)) &
151 (0xFFFFFFFF >> (32 - CU8(base
+ 1)))) << CU8(base
+
155 case ATOM_IIO_MOVE_ATTR
:
157 ~((0xFFFFFFFF >> (32 - CU8(base
+ 1))) <<
161 io_attr
>> CU8(base
+ 2)) & (0xFFFFFFFF >> (32 -
172 printk(KERN_INFO
"Unknown IIO opcode.\n");
177 static uint32_t atom_get_src_int(atom_exec_context
*ctx
, uint8_t attr
,
178 int *ptr
, uint32_t *saved
, int print
)
180 uint32_t idx
, val
= 0xCDCDCDCD, align
, arg
;
181 struct atom_context
*gctx
= ctx
->ctx
;
183 align
= (attr
>> 3) & 7;
189 DEBUG("REG[0x%04X]", idx
);
190 idx
+= gctx
->reg_block
;
191 switch (gctx
->io_mode
) {
193 val
= gctx
->card
->reg_read(gctx
->card
, idx
);
197 "PCI registers are not implemented.\n");
201 "SYSIO registers are not implemented.\n");
204 if (!(gctx
->io_mode
& 0x80)) {
205 printk(KERN_INFO
"Bad IO mode.\n");
208 if (!gctx
->iio
[gctx
->io_mode
& 0x7F]) {
210 "Undefined indirect IO read method %d.\n",
211 gctx
->io_mode
& 0x7F);
215 atom_iio_execute(gctx
,
216 gctx
->iio
[gctx
->io_mode
& 0x7F],
223 /* get_unaligned_le32 avoids unaligned accesses from atombios
224 * tables, noticed on a DEC Alpha. */
225 val
= get_unaligned_le32((u32
*)&ctx
->ps
[idx
]);
227 DEBUG("PS[0x%02X,0x%04X]", idx
, val
);
233 DEBUG("WS[0x%02X]", idx
);
235 case ATOM_WS_QUOTIENT
:
236 val
= gctx
->divmul
[0];
238 case ATOM_WS_REMAINDER
:
239 val
= gctx
->divmul
[1];
241 case ATOM_WS_DATAPTR
:
242 val
= gctx
->data_block
;
247 case ATOM_WS_OR_MASK
:
248 val
= 1 << gctx
->shift
;
250 case ATOM_WS_AND_MASK
:
251 val
= ~(1 << gctx
->shift
);
253 case ATOM_WS_FB_WINDOW
:
256 case ATOM_WS_ATTRIBUTES
:
260 val
= gctx
->reg_block
;
270 if (gctx
->data_block
)
271 DEBUG("ID[0x%04X+%04X]", idx
, gctx
->data_block
);
273 DEBUG("ID[0x%04X]", idx
);
275 val
= U32(idx
+ gctx
->data_block
);
280 if ((gctx
->fb_base
+ (idx
* 4)) > gctx
->scratch_size_bytes
) {
281 DRM_ERROR("ATOM: fb read beyond scratch region: %d vs. %d\n",
282 gctx
->fb_base
+ (idx
* 4), gctx
->scratch_size_bytes
);
285 val
= gctx
->scratch
[(gctx
->fb_base
/ 4) + idx
];
287 DEBUG("FB[0x%02X]", idx
);
295 DEBUG("IMM 0x%08X\n", val
);
299 case ATOM_SRC_WORD16
:
303 DEBUG("IMM 0x%04X\n", val
);
307 case ATOM_SRC_BYTE16
:
308 case ATOM_SRC_BYTE24
:
312 DEBUG("IMM 0x%02X\n", val
);
320 DEBUG("PLL[0x%02X]", idx
);
321 val
= gctx
->card
->pll_read(gctx
->card
, idx
);
327 DEBUG("MC[0x%02X]", idx
);
328 val
= gctx
->card
->mc_read(gctx
->card
, idx
);
333 val
&= atom_arg_mask
[align
];
334 val
>>= atom_arg_shift
[align
];
338 DEBUG(".[31:0] -> 0x%08X\n", val
);
341 DEBUG(".[15:0] -> 0x%04X\n", val
);
344 DEBUG(".[23:8] -> 0x%04X\n", val
);
346 case ATOM_SRC_WORD16
:
347 DEBUG(".[31:16] -> 0x%04X\n", val
);
350 DEBUG(".[7:0] -> 0x%02X\n", val
);
353 DEBUG(".[15:8] -> 0x%02X\n", val
);
355 case ATOM_SRC_BYTE16
:
356 DEBUG(".[23:16] -> 0x%02X\n", val
);
358 case ATOM_SRC_BYTE24
:
359 DEBUG(".[31:24] -> 0x%02X\n", val
);
365 static void atom_skip_src_int(atom_exec_context
*ctx
, uint8_t attr
, int *ptr
)
367 uint32_t align
= (attr
>> 3) & 7, arg
= attr
& 7;
387 case ATOM_SRC_WORD16
:
392 case ATOM_SRC_BYTE16
:
393 case ATOM_SRC_BYTE24
:
401 static uint32_t atom_get_src(atom_exec_context
*ctx
, uint8_t attr
, int *ptr
)
403 return atom_get_src_int(ctx
, attr
, ptr
, NULL
, 1);
406 static uint32_t atom_get_src_direct(atom_exec_context
*ctx
, uint8_t align
, int *ptr
)
408 uint32_t val
= 0xCDCDCDCD;
417 case ATOM_SRC_WORD16
:
423 case ATOM_SRC_BYTE16
:
424 case ATOM_SRC_BYTE24
:
432 static uint32_t atom_get_dst(atom_exec_context
*ctx
, int arg
, uint8_t attr
,
433 int *ptr
, uint32_t *saved
, int print
)
435 return atom_get_src_int(ctx
,
436 arg
| atom_dst_to_src
[(attr
>> 3) &
437 7][(attr
>> 6) & 3] << 3,
441 static void atom_skip_dst(atom_exec_context
*ctx
, int arg
, uint8_t attr
, int *ptr
)
443 atom_skip_src_int(ctx
,
444 arg
| atom_dst_to_src
[(attr
>> 3) & 7][(attr
>> 6) &
448 static void atom_put_dst(atom_exec_context
*ctx
, int arg
, uint8_t attr
,
449 int *ptr
, uint32_t val
, uint32_t saved
)
452 atom_dst_to_src
[(attr
>> 3) & 7][(attr
>> 6) & 3], old_val
=
454 struct atom_context
*gctx
= ctx
->ctx
;
455 old_val
&= atom_arg_mask
[align
] >> atom_arg_shift
[align
];
456 val
<<= atom_arg_shift
[align
];
457 val
&= atom_arg_mask
[align
];
458 saved
&= ~atom_arg_mask
[align
];
464 DEBUG("REG[0x%04X]", idx
);
465 idx
+= gctx
->reg_block
;
466 switch (gctx
->io_mode
) {
469 gctx
->card
->reg_write(gctx
->card
, idx
,
472 gctx
->card
->reg_write(gctx
->card
, idx
, val
);
476 "PCI registers are not implemented.\n");
480 "SYSIO registers are not implemented.\n");
483 if (!(gctx
->io_mode
& 0x80)) {
484 printk(KERN_INFO
"Bad IO mode.\n");
487 if (!gctx
->iio
[gctx
->io_mode
& 0xFF]) {
489 "Undefined indirect IO write method %d.\n",
490 gctx
->io_mode
& 0x7F);
493 atom_iio_execute(gctx
, gctx
->iio
[gctx
->io_mode
& 0xFF],
500 DEBUG("PS[0x%02X]", idx
);
501 ctx
->ps
[idx
] = cpu_to_le32(val
);
506 DEBUG("WS[0x%02X]", idx
);
508 case ATOM_WS_QUOTIENT
:
509 gctx
->divmul
[0] = val
;
511 case ATOM_WS_REMAINDER
:
512 gctx
->divmul
[1] = val
;
514 case ATOM_WS_DATAPTR
:
515 gctx
->data_block
= val
;
520 case ATOM_WS_OR_MASK
:
521 case ATOM_WS_AND_MASK
:
523 case ATOM_WS_FB_WINDOW
:
526 case ATOM_WS_ATTRIBUTES
:
530 gctx
->reg_block
= val
;
539 if ((gctx
->fb_base
+ (idx
* 4)) > gctx
->scratch_size_bytes
) {
540 DRM_ERROR("ATOM: fb write beyond scratch region: %d vs. %d\n",
541 gctx
->fb_base
+ (idx
* 4), gctx
->scratch_size_bytes
);
543 gctx
->scratch
[(gctx
->fb_base
/ 4) + idx
] = val
;
544 DEBUG("FB[0x%02X]", idx
);
549 DEBUG("PLL[0x%02X]", idx
);
550 gctx
->card
->pll_write(gctx
->card
, idx
, val
);
555 DEBUG("MC[0x%02X]", idx
);
556 gctx
->card
->mc_write(gctx
->card
, idx
, val
);
561 DEBUG(".[31:0] <- 0x%08X\n", old_val
);
564 DEBUG(".[15:0] <- 0x%04X\n", old_val
);
567 DEBUG(".[23:8] <- 0x%04X\n", old_val
);
569 case ATOM_SRC_WORD16
:
570 DEBUG(".[31:16] <- 0x%04X\n", old_val
);
573 DEBUG(".[7:0] <- 0x%02X\n", old_val
);
576 DEBUG(".[15:8] <- 0x%02X\n", old_val
);
578 case ATOM_SRC_BYTE16
:
579 DEBUG(".[23:16] <- 0x%02X\n", old_val
);
581 case ATOM_SRC_BYTE24
:
582 DEBUG(".[31:24] <- 0x%02X\n", old_val
);
587 static void atom_op_add(atom_exec_context
*ctx
, int *ptr
, int arg
)
589 uint8_t attr
= U8((*ptr
)++);
590 uint32_t dst
, src
, saved
;
593 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
595 src
= atom_get_src(ctx
, attr
, ptr
);
598 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
601 static void atom_op_and(atom_exec_context
*ctx
, int *ptr
, int arg
)
603 uint8_t attr
= U8((*ptr
)++);
604 uint32_t dst
, src
, saved
;
607 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
609 src
= atom_get_src(ctx
, attr
, ptr
);
612 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
615 static void atom_op_beep(atom_exec_context
*ctx
, int *ptr
, int arg
)
617 printk("ATOM BIOS beeped!\n");
620 static void atom_op_calltable(atom_exec_context
*ctx
, int *ptr
, int arg
)
622 int idx
= U8((*ptr
)++);
625 if (idx
< ATOM_TABLE_NAMES_CNT
)
626 SDEBUG(" table: %d (%s)\n", idx
, atom_table_names
[idx
]);
628 SDEBUG(" table: %d\n", idx
);
629 if (U16(ctx
->ctx
->cmd_table
+ 4 + 2 * idx
))
630 r
= atom_execute_table_locked(ctx
->ctx
, idx
, ctx
->ps
+ ctx
->ps_shift
);
636 static void atom_op_clear(atom_exec_context
*ctx
, int *ptr
, int arg
)
638 uint8_t attr
= U8((*ptr
)++);
642 attr
|= atom_def_dst
[attr
>> 3] << 6;
643 atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 0);
645 atom_put_dst(ctx
, arg
, attr
, &dptr
, 0, saved
);
648 static void atom_op_compare(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
);
656 ctx
->ctx
->cs_equal
= (dst
== src
);
657 ctx
->ctx
->cs_above
= (dst
> src
);
658 SDEBUG(" result: %s %s\n", ctx
->ctx
->cs_equal
? "EQ" : "NE",
659 ctx
->ctx
->cs_above
? "GT" : "LE");
662 static void atom_op_delay(atom_exec_context
*ctx
, int *ptr
, int arg
)
664 unsigned count
= U8((*ptr
)++);
665 SDEBUG(" count: %d\n", count
);
666 if (arg
== ATOM_UNIT_MICROSEC
)
668 else if (!drm_can_sleep())
674 static void atom_op_div(atom_exec_context
*ctx
, int *ptr
, int arg
)
676 uint8_t attr
= U8((*ptr
)++);
679 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, NULL
, 1);
681 src
= atom_get_src(ctx
, attr
, ptr
);
683 ctx
->ctx
->divmul
[0] = dst
/ src
;
684 ctx
->ctx
->divmul
[1] = dst
% src
;
686 ctx
->ctx
->divmul
[0] = 0;
687 ctx
->ctx
->divmul
[1] = 0;
691 static void atom_op_eot(atom_exec_context
*ctx
, int *ptr
, int arg
)
693 /* functionally, a nop */
696 static void atom_op_jump(atom_exec_context
*ctx
, int *ptr
, int arg
)
698 int execute
= 0, target
= U16(*ptr
);
699 unsigned long cjiffies
;
703 case ATOM_COND_ABOVE
:
704 execute
= ctx
->ctx
->cs_above
;
706 case ATOM_COND_ABOVEOREQUAL
:
707 execute
= ctx
->ctx
->cs_above
|| ctx
->ctx
->cs_equal
;
709 case ATOM_COND_ALWAYS
:
712 case ATOM_COND_BELOW
:
713 execute
= !(ctx
->ctx
->cs_above
|| ctx
->ctx
->cs_equal
);
715 case ATOM_COND_BELOWOREQUAL
:
716 execute
= !ctx
->ctx
->cs_above
;
718 case ATOM_COND_EQUAL
:
719 execute
= ctx
->ctx
->cs_equal
;
721 case ATOM_COND_NOTEQUAL
:
722 execute
= !ctx
->ctx
->cs_equal
;
725 if (arg
!= ATOM_COND_ALWAYS
)
726 SDEBUG(" taken: %s\n", execute
? "yes" : "no");
727 SDEBUG(" target: 0x%04X\n", target
);
729 if (ctx
->last_jump
== (ctx
->start
+ target
)) {
731 if (time_after(cjiffies
, ctx
->last_jump_jiffies
)) {
732 cjiffies
-= ctx
->last_jump_jiffies
;
733 if ((jiffies_to_msecs(cjiffies
) > 5000)) {
734 DRM_ERROR("atombios stuck in loop for more than 5secs aborting\n");
738 /* jiffies wrap around we will just wait a little longer */
739 ctx
->last_jump_jiffies
= jiffies
;
742 ctx
->last_jump
= ctx
->start
+ target
;
743 ctx
->last_jump_jiffies
= jiffies
;
745 *ptr
= ctx
->start
+ target
;
749 static void atom_op_mask(atom_exec_context
*ctx
, int *ptr
, int arg
)
751 uint8_t attr
= U8((*ptr
)++);
752 uint32_t dst
, mask
, src
, saved
;
755 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
756 mask
= atom_get_src_direct(ctx
, ((attr
>> 3) & 7), ptr
);
757 SDEBUG(" mask: 0x%08x", mask
);
759 src
= atom_get_src(ctx
, attr
, ptr
);
763 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
766 static void atom_op_move(atom_exec_context
*ctx
, int *ptr
, int arg
)
768 uint8_t attr
= U8((*ptr
)++);
771 if (((attr
>> 3) & 7) != ATOM_SRC_DWORD
)
772 atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 0);
774 atom_skip_dst(ctx
, arg
, attr
, ptr
);
778 src
= atom_get_src(ctx
, attr
, ptr
);
780 atom_put_dst(ctx
, arg
, attr
, &dptr
, src
, saved
);
783 static void atom_op_mul(atom_exec_context
*ctx
, int *ptr
, int arg
)
785 uint8_t attr
= U8((*ptr
)++);
788 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, NULL
, 1);
790 src
= atom_get_src(ctx
, attr
, ptr
);
791 ctx
->ctx
->divmul
[0] = dst
* src
;
794 static void atom_op_nop(atom_exec_context
*ctx
, int *ptr
, int arg
)
799 static void atom_op_or(atom_exec_context
*ctx
, int *ptr
, int arg
)
801 uint8_t attr
= U8((*ptr
)++);
802 uint32_t dst
, src
, saved
;
805 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
807 src
= atom_get_src(ctx
, attr
, ptr
);
810 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
813 static void atom_op_postcard(atom_exec_context
*ctx
, int *ptr
, int arg
)
815 uint8_t val
= U8((*ptr
)++);
816 SDEBUG("POST card output: 0x%02X\n", val
);
819 static void atom_op_repeat(atom_exec_context
*ctx
, int *ptr
, int arg
)
821 printk(KERN_INFO
"unimplemented!\n");
824 static void atom_op_restorereg(atom_exec_context
*ctx
, int *ptr
, int arg
)
826 printk(KERN_INFO
"unimplemented!\n");
829 static void atom_op_savereg(atom_exec_context
*ctx
, int *ptr
, int arg
)
831 printk(KERN_INFO
"unimplemented!\n");
834 static void atom_op_setdatablock(atom_exec_context
*ctx
, int *ptr
, int arg
)
838 SDEBUG(" block: %d\n", idx
);
840 ctx
->ctx
->data_block
= 0;
842 ctx
->ctx
->data_block
= ctx
->start
;
844 ctx
->ctx
->data_block
= U16(ctx
->ctx
->data_table
+ 4 + 2 * idx
);
845 SDEBUG(" base: 0x%04X\n", ctx
->ctx
->data_block
);
848 static void atom_op_setfbbase(atom_exec_context
*ctx
, int *ptr
, int arg
)
850 uint8_t attr
= U8((*ptr
)++);
851 SDEBUG(" fb_base: ");
852 ctx
->ctx
->fb_base
= atom_get_src(ctx
, attr
, ptr
);
855 static void atom_op_setport(atom_exec_context
*ctx
, int *ptr
, int arg
)
861 if (port
< ATOM_IO_NAMES_CNT
)
862 SDEBUG(" port: %d (%s)\n", port
, atom_io_names
[port
]);
864 SDEBUG(" port: %d\n", port
);
866 ctx
->ctx
->io_mode
= ATOM_IO_MM
;
868 ctx
->ctx
->io_mode
= ATOM_IO_IIO
| port
;
872 ctx
->ctx
->io_mode
= ATOM_IO_PCI
;
875 case ATOM_PORT_SYSIO
:
876 ctx
->ctx
->io_mode
= ATOM_IO_SYSIO
;
882 static void atom_op_setregblock(atom_exec_context
*ctx
, int *ptr
, int arg
)
884 ctx
->ctx
->reg_block
= U16(*ptr
);
886 SDEBUG(" base: 0x%04X\n", ctx
->ctx
->reg_block
);
889 static void atom_op_shift_left(atom_exec_context
*ctx
, int *ptr
, int arg
)
891 uint8_t attr
= U8((*ptr
)++), shift
;
895 attr
|= atom_def_dst
[attr
>> 3] << 6;
897 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
898 shift
= atom_get_src_direct(ctx
, ATOM_SRC_BYTE0
, ptr
);
899 SDEBUG(" shift: %d\n", shift
);
902 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
905 static void atom_op_shift_right(atom_exec_context
*ctx
, int *ptr
, int arg
)
907 uint8_t attr
= U8((*ptr
)++), shift
;
911 attr
|= atom_def_dst
[attr
>> 3] << 6;
913 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
914 shift
= atom_get_src_direct(ctx
, ATOM_SRC_BYTE0
, ptr
);
915 SDEBUG(" shift: %d\n", shift
);
918 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
921 static void atom_op_shl(atom_exec_context
*ctx
, int *ptr
, int arg
)
923 uint8_t attr
= U8((*ptr
)++), shift
;
926 uint32_t dst_align
= atom_dst_to_src
[(attr
>> 3) & 7][(attr
>> 6) & 3];
928 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
929 /* op needs to full dst value */
931 shift
= atom_get_src(ctx
, attr
, ptr
);
932 SDEBUG(" shift: %d\n", shift
);
934 dst
&= atom_arg_mask
[dst_align
];
935 dst
>>= atom_arg_shift
[dst_align
];
937 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
940 static void atom_op_shr(atom_exec_context
*ctx
, int *ptr
, int arg
)
942 uint8_t attr
= U8((*ptr
)++), shift
;
945 uint32_t dst_align
= atom_dst_to_src
[(attr
>> 3) & 7][(attr
>> 6) & 3];
947 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
948 /* op needs to full dst value */
950 shift
= atom_get_src(ctx
, attr
, ptr
);
951 SDEBUG(" shift: %d\n", shift
);
953 dst
&= atom_arg_mask
[dst_align
];
954 dst
>>= atom_arg_shift
[dst_align
];
956 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
959 static void atom_op_sub(atom_exec_context
*ctx
, int *ptr
, int arg
)
961 uint8_t attr
= U8((*ptr
)++);
962 uint32_t dst
, src
, saved
;
965 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
967 src
= atom_get_src(ctx
, attr
, ptr
);
970 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
973 static void atom_op_switch(atom_exec_context
*ctx
, int *ptr
, int arg
)
975 uint8_t attr
= U8((*ptr
)++);
976 uint32_t src
, val
, target
;
978 src
= atom_get_src(ctx
, attr
, ptr
);
979 while (U16(*ptr
) != ATOM_CASE_END
)
980 if (U8(*ptr
) == ATOM_CASE_MAGIC
) {
984 atom_get_src(ctx
, (attr
& 0x38) | ATOM_ARG_IMM
,
988 SDEBUG(" target: %04X\n", target
);
989 *ptr
= ctx
->start
+ target
;
994 printk(KERN_INFO
"Bad case.\n");
1000 static void atom_op_test(atom_exec_context
*ctx
, int *ptr
, int arg
)
1002 uint8_t attr
= U8((*ptr
)++);
1005 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, NULL
, 1);
1007 src
= atom_get_src(ctx
, attr
, ptr
);
1008 ctx
->ctx
->cs_equal
= ((dst
& src
) == 0);
1009 SDEBUG(" result: %s\n", ctx
->ctx
->cs_equal
? "EQ" : "NE");
1012 static void atom_op_xor(atom_exec_context
*ctx
, int *ptr
, int arg
)
1014 uint8_t attr
= U8((*ptr
)++);
1015 uint32_t dst
, src
, saved
;
1018 dst
= atom_get_dst(ctx
, arg
, attr
, ptr
, &saved
, 1);
1020 src
= atom_get_src(ctx
, attr
, ptr
);
1023 atom_put_dst(ctx
, arg
, attr
, &dptr
, dst
, saved
);
1026 static void atom_op_debug(atom_exec_context
*ctx
, int *ptr
, int arg
)
1028 printk(KERN_INFO
"unimplemented!\n");
1032 void (*func
) (atom_exec_context
*, int *, int);
1034 } opcode_table
[ATOM_OP_CNT
] = {
1037 atom_op_move
, ATOM_ARG_REG
}, {
1038 atom_op_move
, ATOM_ARG_PS
}, {
1039 atom_op_move
, ATOM_ARG_WS
}, {
1040 atom_op_move
, ATOM_ARG_FB
}, {
1041 atom_op_move
, ATOM_ARG_PLL
}, {
1042 atom_op_move
, ATOM_ARG_MC
}, {
1043 atom_op_and
, ATOM_ARG_REG
}, {
1044 atom_op_and
, ATOM_ARG_PS
}, {
1045 atom_op_and
, ATOM_ARG_WS
}, {
1046 atom_op_and
, ATOM_ARG_FB
}, {
1047 atom_op_and
, ATOM_ARG_PLL
}, {
1048 atom_op_and
, ATOM_ARG_MC
}, {
1049 atom_op_or
, ATOM_ARG_REG
}, {
1050 atom_op_or
, ATOM_ARG_PS
}, {
1051 atom_op_or
, ATOM_ARG_WS
}, {
1052 atom_op_or
, ATOM_ARG_FB
}, {
1053 atom_op_or
, ATOM_ARG_PLL
}, {
1054 atom_op_or
, ATOM_ARG_MC
}, {
1055 atom_op_shift_left
, ATOM_ARG_REG
}, {
1056 atom_op_shift_left
, ATOM_ARG_PS
}, {
1057 atom_op_shift_left
, ATOM_ARG_WS
}, {
1058 atom_op_shift_left
, ATOM_ARG_FB
}, {
1059 atom_op_shift_left
, ATOM_ARG_PLL
}, {
1060 atom_op_shift_left
, ATOM_ARG_MC
}, {
1061 atom_op_shift_right
, ATOM_ARG_REG
}, {
1062 atom_op_shift_right
, ATOM_ARG_PS
}, {
1063 atom_op_shift_right
, ATOM_ARG_WS
}, {
1064 atom_op_shift_right
, ATOM_ARG_FB
}, {
1065 atom_op_shift_right
, ATOM_ARG_PLL
}, {
1066 atom_op_shift_right
, ATOM_ARG_MC
}, {
1067 atom_op_mul
, ATOM_ARG_REG
}, {
1068 atom_op_mul
, ATOM_ARG_PS
}, {
1069 atom_op_mul
, ATOM_ARG_WS
}, {
1070 atom_op_mul
, ATOM_ARG_FB
}, {
1071 atom_op_mul
, ATOM_ARG_PLL
}, {
1072 atom_op_mul
, ATOM_ARG_MC
}, {
1073 atom_op_div
, ATOM_ARG_REG
}, {
1074 atom_op_div
, ATOM_ARG_PS
}, {
1075 atom_op_div
, ATOM_ARG_WS
}, {
1076 atom_op_div
, ATOM_ARG_FB
}, {
1077 atom_op_div
, ATOM_ARG_PLL
}, {
1078 atom_op_div
, ATOM_ARG_MC
}, {
1079 atom_op_add
, ATOM_ARG_REG
}, {
1080 atom_op_add
, ATOM_ARG_PS
}, {
1081 atom_op_add
, ATOM_ARG_WS
}, {
1082 atom_op_add
, ATOM_ARG_FB
}, {
1083 atom_op_add
, ATOM_ARG_PLL
}, {
1084 atom_op_add
, ATOM_ARG_MC
}, {
1085 atom_op_sub
, ATOM_ARG_REG
}, {
1086 atom_op_sub
, ATOM_ARG_PS
}, {
1087 atom_op_sub
, ATOM_ARG_WS
}, {
1088 atom_op_sub
, ATOM_ARG_FB
}, {
1089 atom_op_sub
, ATOM_ARG_PLL
}, {
1090 atom_op_sub
, ATOM_ARG_MC
}, {
1091 atom_op_setport
, ATOM_PORT_ATI
}, {
1092 atom_op_setport
, ATOM_PORT_PCI
}, {
1093 atom_op_setport
, ATOM_PORT_SYSIO
}, {
1094 atom_op_setregblock
, 0}, {
1095 atom_op_setfbbase
, 0}, {
1096 atom_op_compare
, ATOM_ARG_REG
}, {
1097 atom_op_compare
, ATOM_ARG_PS
}, {
1098 atom_op_compare
, ATOM_ARG_WS
}, {
1099 atom_op_compare
, ATOM_ARG_FB
}, {
1100 atom_op_compare
, ATOM_ARG_PLL
}, {
1101 atom_op_compare
, ATOM_ARG_MC
}, {
1102 atom_op_switch
, 0}, {
1103 atom_op_jump
, ATOM_COND_ALWAYS
}, {
1104 atom_op_jump
, ATOM_COND_EQUAL
}, {
1105 atom_op_jump
, ATOM_COND_BELOW
}, {
1106 atom_op_jump
, ATOM_COND_ABOVE
}, {
1107 atom_op_jump
, ATOM_COND_BELOWOREQUAL
}, {
1108 atom_op_jump
, ATOM_COND_ABOVEOREQUAL
}, {
1109 atom_op_jump
, ATOM_COND_NOTEQUAL
}, {
1110 atom_op_test
, ATOM_ARG_REG
}, {
1111 atom_op_test
, ATOM_ARG_PS
}, {
1112 atom_op_test
, ATOM_ARG_WS
}, {
1113 atom_op_test
, ATOM_ARG_FB
}, {
1114 atom_op_test
, ATOM_ARG_PLL
}, {
1115 atom_op_test
, ATOM_ARG_MC
}, {
1116 atom_op_delay
, ATOM_UNIT_MILLISEC
}, {
1117 atom_op_delay
, ATOM_UNIT_MICROSEC
}, {
1118 atom_op_calltable
, 0}, {
1119 atom_op_repeat
, 0}, {
1120 atom_op_clear
, ATOM_ARG_REG
}, {
1121 atom_op_clear
, ATOM_ARG_PS
}, {
1122 atom_op_clear
, ATOM_ARG_WS
}, {
1123 atom_op_clear
, ATOM_ARG_FB
}, {
1124 atom_op_clear
, ATOM_ARG_PLL
}, {
1125 atom_op_clear
, ATOM_ARG_MC
}, {
1128 atom_op_mask
, ATOM_ARG_REG
}, {
1129 atom_op_mask
, ATOM_ARG_PS
}, {
1130 atom_op_mask
, ATOM_ARG_WS
}, {
1131 atom_op_mask
, ATOM_ARG_FB
}, {
1132 atom_op_mask
, ATOM_ARG_PLL
}, {
1133 atom_op_mask
, ATOM_ARG_MC
}, {
1134 atom_op_postcard
, 0}, {
1136 atom_op_savereg
, 0}, {
1137 atom_op_restorereg
, 0}, {
1138 atom_op_setdatablock
, 0}, {
1139 atom_op_xor
, ATOM_ARG_REG
}, {
1140 atom_op_xor
, ATOM_ARG_PS
}, {
1141 atom_op_xor
, ATOM_ARG_WS
}, {
1142 atom_op_xor
, ATOM_ARG_FB
}, {
1143 atom_op_xor
, ATOM_ARG_PLL
}, {
1144 atom_op_xor
, ATOM_ARG_MC
}, {
1145 atom_op_shl
, ATOM_ARG_REG
}, {
1146 atom_op_shl
, ATOM_ARG_PS
}, {
1147 atom_op_shl
, ATOM_ARG_WS
}, {
1148 atom_op_shl
, ATOM_ARG_FB
}, {
1149 atom_op_shl
, ATOM_ARG_PLL
}, {
1150 atom_op_shl
, ATOM_ARG_MC
}, {
1151 atom_op_shr
, ATOM_ARG_REG
}, {
1152 atom_op_shr
, ATOM_ARG_PS
}, {
1153 atom_op_shr
, ATOM_ARG_WS
}, {
1154 atom_op_shr
, ATOM_ARG_FB
}, {
1155 atom_op_shr
, ATOM_ARG_PLL
}, {
1156 atom_op_shr
, ATOM_ARG_MC
}, {
1157 atom_op_debug
, 0},};
1159 static int atom_execute_table_locked(struct atom_context
*ctx
, int index
, uint32_t * params
)
1161 int base
= CU16(ctx
->cmd_table
+ 4 + 2 * index
);
1162 int len
, ws
, ps
, ptr
;
1164 atom_exec_context ectx
;
1170 len
= CU16(base
+ ATOM_CT_SIZE_PTR
);
1171 ws
= CU8(base
+ ATOM_CT_WS_PTR
);
1172 ps
= CU8(base
+ ATOM_CT_PS_PTR
) & ATOM_CT_PS_MASK
;
1173 ptr
= base
+ ATOM_CT_CODE_PTR
;
1175 SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base
, len
, ws
, ps
);
1178 ectx
.ps_shift
= ps
/ 4;
1184 ectx
.ws
= kzalloc(4 * ws
, GFP_KERNEL
);
1191 if (op
< ATOM_OP_NAMES_CNT
)
1192 SDEBUG("%s @ 0x%04X\n", atom_op_names
[op
], ptr
- 1);
1194 SDEBUG("[%d] @ 0x%04X\n", op
, ptr
- 1);
1196 DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n",
1197 base
, len
, ws
, ps
, ptr
- 1);
1202 if (op
< ATOM_OP_CNT
&& op
> 0)
1203 opcode_table
[op
].func(&ectx
, &ptr
,
1204 opcode_table
[op
].arg
);
1208 if (op
== ATOM_OP_EOT
)
1220 int atom_execute_table(struct atom_context
*ctx
, int index
, uint32_t * params
)
1224 mutex_lock(&ctx
->mutex
);
1225 /* reset reg block */
1227 /* reset fb window */
1230 ctx
->io_mode
= ATOM_IO_MM
;
1231 r
= atom_execute_table_locked(ctx
, index
, params
);
1232 mutex_unlock(&ctx
->mutex
);
1236 static int atom_iio_len
[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
1238 static void atom_index_iio(struct atom_context
*ctx
, int base
)
1240 ctx
->iio
= kzalloc(2 * 256, GFP_KERNEL
);
1243 while (CU8(base
) == ATOM_IIO_START
) {
1244 ctx
->iio
[CU8(base
+ 1)] = base
+ 2;
1246 while (CU8(base
) != ATOM_IIO_END
)
1247 base
+= atom_iio_len
[CU8(base
)];
1252 struct atom_context
*atom_parse(struct card_info
*card
, void *bios
)
1255 struct atom_context
*ctx
=
1256 kzalloc(sizeof(struct atom_context
), GFP_KERNEL
);
1267 if (CU16(0) != ATOM_BIOS_MAGIC
) {
1268 printk(KERN_INFO
"Invalid BIOS magic.\n");
1273 (CSTR(ATOM_ATI_MAGIC_PTR
), ATOM_ATI_MAGIC
,
1274 strlen(ATOM_ATI_MAGIC
))) {
1275 printk(KERN_INFO
"Invalid ATI magic.\n");
1280 base
= CU16(ATOM_ROM_TABLE_PTR
);
1282 (CSTR(base
+ ATOM_ROM_MAGIC_PTR
), ATOM_ROM_MAGIC
,
1283 strlen(ATOM_ROM_MAGIC
))) {
1284 printk(KERN_INFO
"Invalid ATOM magic.\n");
1289 ctx
->cmd_table
= CU16(base
+ ATOM_ROM_CMD_PTR
);
1290 ctx
->data_table
= CU16(base
+ ATOM_ROM_DATA_PTR
);
1291 atom_index_iio(ctx
, CU16(ctx
->data_table
+ ATOM_DATA_IIO_PTR
) + 4);
1297 str
= CSTR(CU16(base
+ ATOM_ROM_MSG_PTR
));
1298 while (*str
&& ((*str
== '\n') || (*str
== '\r')))
1300 /* name string isn't always 0 terminated */
1301 for (i
= 0; i
< 511; i
++) {
1303 if (name
[i
] < '.' || name
[i
] > 'z') {
1308 printk(KERN_INFO
"ATOM BIOS: %s\n", name
);
1313 int atom_asic_init(struct atom_context
*ctx
)
1315 struct radeon_device
*rdev
= ctx
->card
->dev
->dev_private
;
1316 int hwi
= CU16(ctx
->data_table
+ ATOM_DATA_FWI_PTR
);
1322 ps
[0] = cpu_to_le32(CU32(hwi
+ ATOM_FWI_DEFSCLK_PTR
));
1323 ps
[1] = cpu_to_le32(CU32(hwi
+ ATOM_FWI_DEFMCLK_PTR
));
1324 if (!ps
[0] || !ps
[1])
1327 if (!CU16(ctx
->cmd_table
+ 4 + 2 * ATOM_CMD_INIT
))
1329 ret
= atom_execute_table(ctx
, ATOM_CMD_INIT
, ps
);
1335 if (rdev
->family
< CHIP_R600
) {
1336 if (CU16(ctx
->cmd_table
+ 4 + 2 * ATOM_CMD_SPDFANCNTL
))
1337 atom_execute_table(ctx
, ATOM_CMD_SPDFANCNTL
, ps
);
1342 void atom_destroy(struct atom_context
*ctx
)
1348 bool atom_parse_data_header(struct atom_context
*ctx
, int index
,
1349 uint16_t * size
, uint8_t * frev
, uint8_t * crev
,
1350 uint16_t * data_start
)
1352 int offset
= index
* 2 + 4;
1353 int idx
= CU16(ctx
->data_table
+ offset
);
1354 u16
*mdt
= (u16
*)(ctx
->bios
+ ctx
->data_table
+ 4);
1362 *frev
= CU8(idx
+ 2);
1364 *crev
= CU8(idx
+ 3);
1369 bool atom_parse_cmd_header(struct atom_context
*ctx
, int index
, uint8_t * frev
,
1372 int offset
= index
* 2 + 4;
1373 int idx
= CU16(ctx
->cmd_table
+ offset
);
1374 u16
*mct
= (u16
*)(ctx
->bios
+ ctx
->cmd_table
+ 4);
1380 *frev
= CU8(idx
+ 2);
1382 *crev
= CU8(idx
+ 3);
1386 int atom_allocate_fb_scratch(struct atom_context
*ctx
)
1388 int index
= GetIndexIntoMasterTable(DATA
, VRAM_UsageByFirmware
);
1389 uint16_t data_offset
;
1390 int usage_bytes
= 0;
1391 struct _ATOM_VRAM_USAGE_BY_FIRMWARE
*firmware_usage
;
1393 if (atom_parse_data_header(ctx
, index
, NULL
, NULL
, NULL
, &data_offset
)) {
1394 firmware_usage
= (struct _ATOM_VRAM_USAGE_BY_FIRMWARE
*)(ctx
->bios
+ data_offset
);
1396 DRM_DEBUG("atom firmware requested %08x %dkb\n",
1397 firmware_usage
->asFirmwareVramReserveInfo
[0].ulStartAddrUsedByFirmware
,
1398 firmware_usage
->asFirmwareVramReserveInfo
[0].usFirmwareUseInKb
);
1400 usage_bytes
= firmware_usage
->asFirmwareVramReserveInfo
[0].usFirmwareUseInKb
* 1024;
1402 ctx
->scratch_size_bytes
= 0;
1403 if (usage_bytes
== 0)
1404 usage_bytes
= 20 * 1024;
1405 /* allocate some scratch memory */
1406 ctx
->scratch
= kzalloc(usage_bytes
, GFP_KERNEL
);
1409 ctx
->scratch_size_bytes
= usage_bytes
;