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
;