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Commit e99716f1 authored by Ben Skeggs's avatar Ben Skeggs
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drm/gr/nvc0-: merge nvc0/nve0 ucode, and use cpp instead of m4 

No code changes, proven by envyas producing identical binaries.
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 05f9a5bc
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Showing with 1270 additions and 2587 deletions
drivers/gpu/drm/nouveau/core/engine/graph/fuc/nvc0.fuc → drivers/gpu/drm/nouveau/core/engine/graph/fuc/com.fuc
View file @ e99716f1
......@@ -23,42 +23,7 @@
* Authors: Ben Skeggs
*/
define(`mmctx_data', `.b32 eval((($2 - 1) << 26) | $1)')
define(`queue_init', `.skip eval((2 * 4) + ((8 * 4) * 2))')
ifdef(`include_code', `
// Error codes
define(`E_BAD_COMMAND', 0x01)
define(`E_CMD_OVERFLOW', 0x02)
// Util macros to help with debugging ucode hangs etc
define(`T_WAIT', 0)
define(`T_MMCTX', 1)
define(`T_STRWAIT', 2)
define(`T_STRINIT', 3)
define(`T_AUTO', 4)
define(`T_CHAN', 5)
define(`T_LOAD', 6)
define(`T_SAVE', 7)
define(`T_LCHAN', 8)
define(`T_LCTXH', 9)
define(`trace_set', `
mov $r8 0x83c
shl b32 $r8 6
clear b32 $r9
bset $r9 $1
iowr I[$r8 + 0x000] $r9 // CC_SCRATCH[7]
')
define(`trace_clr', `
mov $r8 0x85c
shl b32 $r8 6
clear b32 $r9
bset $r9 $1
iowr I[$r8 + 0x000] $r9 // CC_SCRATCH[7]
')
#ifdef INCLUDE_CODE
// queue_put - add request to queue
//
// In : $r13 queue pointer
......@@ -178,27 +143,41 @@ watchdog_clear:
iowr I[$r8 + 0x000] $r0
ret
// wait_done{z,o} - wait on FUC_DONE bit to become clear/set
// wait_donez - wait on FUC_DONE bit to become clear
//
// In : $r10 bit to wait on
//
wait_donez:
trace_set(T_WAIT);
mov $r8 0x818
shl b32 $r8 6
iowr I[$r8 + 0x000] $r10
wait_donez_ne:
mov $r8 0x400
shl b32 $r8 6
iord $r8 I[$r8 + 0x000]
xbit $r8 $r8 $r10
bra ne #wait_donez_ne
trace_clr(T_WAIT)
ret
// wait_doneo - wait on FUC_DONE bit to become set
//
// In : $r10 bit to wait on
//
define(`wait_done', `
$1:
wait_doneo:
trace_set(T_WAIT);
mov $r8 0x818
shl b32 $r8 6
iowr I[$r8 + 0x000] $r10 // CC_SCRATCH[6] = wait bit
wait_done_$1:
iowr I[$r8 + 0x000] $r10
wait_doneo_e:
mov $r8 0x400
shl b32 $r8 6
iord $r8 I[$r8 + 0x000] // DONE
iord $r8 I[$r8 + 0x000]
xbit $r8 $r8 $r10
bra $2 #wait_done_$1
bra e #wait_doneo_e
trace_clr(T_WAIT)
ret
')
wait_done(wait_donez, ne)
wait_done(wait_doneo, e)
// mmctx_size - determine size of a mmio list transfer
//
......@@ -397,4 +376,4 @@ strand_ctx_init:
sub b32 $r15 $r14 $r15
trace_clr(T_STRINIT)
ret
')
#endif
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpc.fuc 0 → 100644
View file @ e99716f1
/* fuc microcode for nvc0 PGRAPH/GPC
*
* Copyright 2011 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
/* TODO
* - bracket certain functions with scratch writes, useful for debugging
* - watchdog timer around ctx operations
*/
#ifdef INCLUDE_DATA
gpc_id: .b32 0
gpc_mmio_list_head: .b32 0
gpc_mmio_list_tail: .b32 0
tpc_count: .b32 0
tpc_mask: .b32 0
tpc_mmio_list_head: .b32 0
tpc_mmio_list_tail: .b32 0
cmd_queue: queue_init
#endif
#ifdef INCLUDE_CODE
// reports an exception to the host
//
// In: $r15 error code (see nvc0.fuc)
//
error:
push $r14
mov $r14 -0x67ec // 0x9814
sethi $r14 0x400000
call #nv_wr32 // HUB_CTXCTL_CC_SCRATCH[5] = error code
add b32 $r14 0x41c
mov $r15 1
call #nv_wr32 // HUB_CTXCTL_INTR_UP_SET
pop $r14
ret
// GPC fuc initialisation, executed by triggering ucode start, will
// fall through to main loop after completion.
//
// Input:
// CC_SCRATCH[0]: chipset (PMC_BOOT_0 read returns 0x0bad0bad... sigh)
// CC_SCRATCH[1]: context base
//
// Output:
// CC_SCRATCH[0]:
// 31:31: set to signal completion
// CC_SCRATCH[1]:
// 31:0: GPC context size
//
init:
clear b32 $r0
mov $sp $r0
// enable fifo access
mov $r1 0x1200
mov $r2 2
iowr I[$r1 + 0x000] $r2 // FIFO_ENABLE
// setup i0 handler, and route all interrupts to it
mov $r1 #ih
mov $iv0 $r1
mov $r1 0x400
iowr I[$r1 + 0x300] $r0 // INTR_DISPATCH
// enable fifo interrupt
mov $r2 4
iowr I[$r1 + 0x000] $r2 // INTR_EN_SET
// enable interrupts
bset $flags ie0
// figure out which GPC we are, and how many TPCs we have
mov $r1 0x608
shl b32 $r1 6
iord $r2 I[$r1 + 0x000] // UNITS
mov $r3 1
and $r2 0x1f
shl b32 $r3 $r2
sub b32 $r3 1
st b32 D[$r0 + #tpc_count] $r2
st b32 D[$r0 + #tpc_mask] $r3
add b32 $r1 0x400
iord $r2 I[$r1 + 0x000] // MYINDEX
st b32 D[$r0 + #gpc_id] $r2
// find context data for this chipset
mov $r2 0x800
shl b32 $r2 6
iord $r2 I[$r2 + 0x000] // CC_SCRATCH[0]
mov $r1 #chipsets - 12
init_find_chipset:
add b32 $r1 12
ld b32 $r3 D[$r1 + 0x00]
cmpu b32 $r3 $r2
bra e #init_context
cmpu b32 $r3 0
bra ne #init_find_chipset
// unknown chipset
ret
// initialise context base, and size tracking
init_context:
mov $r2 0x800
shl b32 $r2 6
iord $r2 I[$r2 + 0x100] // CC_SCRATCH[1], initial base
clear b32 $r3 // track GPC context size here
// set mmctx base addresses now so we don't have to do it later,
// they don't currently ever change
mov $r4 0x700
shl b32 $r4 6
shr b32 $r5 $r2 8
iowr I[$r4 + 0x000] $r5 // MMCTX_SAVE_SWBASE
iowr I[$r4 + 0x100] $r5 // MMCTX_LOAD_SWBASE
// calculate GPC mmio context size, store the chipset-specific
// mmio list pointers somewhere we can get at them later without
// re-parsing the chipset list
clear b32 $r14
clear b32 $r15
ld b16 $r14 D[$r1 + 4]
ld b16 $r15 D[$r1 + 6]
st b16 D[$r0 + #gpc_mmio_list_head] $r14
st b16 D[$r0 + #gpc_mmio_list_tail] $r15
call #mmctx_size
add b32 $r2 $r15
add b32 $r3 $r15
// calculate per-TPC mmio context size, store the list pointers
ld b16 $r14 D[$r1 + 8]
ld b16 $r15 D[$r1 + 10]
st b16 D[$r0 + #tpc_mmio_list_head] $r14
st b16 D[$r0 + #tpc_mmio_list_tail] $r15
call #mmctx_size
ld b32 $r14 D[$r0 + #tpc_count]
mulu $r14 $r15
add b32 $r2 $r14
add b32 $r3 $r14
// round up base/size to 256 byte boundary (for strand SWBASE)
add b32 $r4 0x1300
shr b32 $r3 2
iowr I[$r4 + 0x000] $r3 // MMCTX_LOAD_COUNT, wtf for?!?
shr b32 $r2 8
shr b32 $r3 6
add b32 $r2 1
add b32 $r3 1
shl b32 $r2 8
shl b32 $r3 8
// calculate size of strand context data
mov b32 $r15 $r2
call #strand_ctx_init
add b32 $r3 $r15
// save context size, and tell HUB we're done
mov $r1 0x800
shl b32 $r1 6
iowr I[$r1 + 0x100] $r3 // CC_SCRATCH[1] = context size
add b32 $r1 0x800
clear b32 $r2
bset $r2 31
iowr I[$r1 + 0x000] $r2 // CC_SCRATCH[0] |= 0x80000000
// Main program loop, very simple, sleeps until woken up by the interrupt
// handler, pulls a command from the queue and executes its handler
//
main:
bset $flags $p0
sleep $p0
mov $r13 #cmd_queue
call #queue_get
bra $p1 #main
// 0x0000-0x0003 are all context transfers
cmpu b32 $r14 0x04
bra nc #main_not_ctx_xfer
// fetch $flags and mask off $p1/$p2
mov $r1 $flags
mov $r2 0x0006
not b32 $r2
and $r1 $r2
// set $p1/$p2 according to transfer type
shl b32 $r14 1
or $r1 $r14
mov $flags $r1
// transfer context data
call #ctx_xfer
bra #main
main_not_ctx_xfer:
shl b32 $r15 $r14 16
or $r15 E_BAD_COMMAND
call #error
bra #main
// interrupt handler
ih:
push $r8
mov $r8 $flags
push $r8
push $r9
push $r10
push $r11
push $r13
push $r14
push $r15
// incoming fifo command?
iord $r10 I[$r0 + 0x200] // INTR
and $r11 $r10 0x00000004
bra e #ih_no_fifo
// queue incoming fifo command for later processing
mov $r11 0x1900
mov $r13 #cmd_queue
iord $r14 I[$r11 + 0x100] // FIFO_CMD
iord $r15 I[$r11 + 0x000] // FIFO_DATA
call #queue_put
add b32 $r11 0x400
mov $r14 1
iowr I[$r11 + 0x000] $r14 // FIFO_ACK
// ack, and wake up main()
ih_no_fifo:
iowr I[$r0 + 0x100] $r10 // INTR_ACK
pop $r15
pop $r14
pop $r13
pop $r11
pop $r10
pop $r9
pop $r8
mov $flags $r8
pop $r8
bclr $flags $p0
iret
// Set this GPC's bit in HUB_BAR, used to signal completion of various
// activities to the HUB fuc
//
hub_barrier_done:
mov $r15 1
ld b32 $r14 D[$r0 + #gpc_id]
shl b32 $r15 $r14
mov $r14 -0x6be8 // 0x409418 - HUB_BAR_SET
sethi $r14 0x400000
call #nv_wr32
ret
// Disables various things, waits a bit, and re-enables them..
//
// Not sure how exactly this helps, perhaps "ENABLE" is not such a
// good description for the bits we turn off? Anyways, without this,
// funny things happen.
//
ctx_redswitch:
mov $r14 0x614
shl b32 $r14 6
mov $r15 0x020
iowr I[$r14] $r15 // GPC_RED_SWITCH = POWER
mov $r15 8
ctx_redswitch_delay:
sub b32 $r15 1
bra ne #ctx_redswitch_delay
mov $r15 0xa20
iowr I[$r14] $r15 // GPC_RED_SWITCH = UNK11, ENABLE, POWER
ret
// Transfer GPC context data between GPU and storage area
//
// In: $r15 context base address
// $p1 clear on save, set on load
// $p2 set if opposite direction done/will be done, so:
// on save it means: "a load will follow this save"
// on load it means: "a save preceeded this load"
//
ctx_xfer:
// set context base address
mov $r1 0xa04
shl b32 $r1 6
iowr I[$r1 + 0x000] $r15// MEM_BASE
bra not $p1 #ctx_xfer_not_load
call #ctx_redswitch
ctx_xfer_not_load:
// strands
mov $r1 0x4afc
sethi $r1 0x20000
mov $r2 0xc
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0c
call #strand_wait
mov $r2 0x47fc
sethi $r2 0x20000
iowr I[$r2] $r0 // STRAND_FIRST_GENE(0x3f) = 0x00
xbit $r2 $flags $p1
add b32 $r2 3
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x03/0x04 (SAVE/LOAD)
// mmio context
xbit $r10 $flags $p1 // direction
or $r10 2 // first
mov $r11 0x0000
sethi $r11 0x500000
ld b32 $r12 D[$r0 + #gpc_id]
shl b32 $r12 15
add b32 $r11 $r12 // base = NV_PGRAPH_GPCn
ld b32 $r12 D[$r0 + #gpc_mmio_list_head]
ld b32 $r13 D[$r0 + #gpc_mmio_list_tail]
mov $r14 0 // not multi
call #mmctx_xfer
// per-TPC mmio context
xbit $r10 $flags $p1 // direction
or $r10 4 // last
mov $r11 0x4000
sethi $r11 0x500000 // base = NV_PGRAPH_GPC0_TPC0
ld b32 $r12 D[$r0 + #gpc_id]
shl b32 $r12 15
add b32 $r11 $r12 // base = NV_PGRAPH_GPCn_TPC0
ld b32 $r12 D[$r0 + #tpc_mmio_list_head]
ld b32 $r13 D[$r0 + #tpc_mmio_list_tail]
ld b32 $r15 D[$r0 + #tpc_mask]
mov $r14 0x800 // stride = 0x800
call #mmctx_xfer
// wait for strands to finish
call #strand_wait
// if load, or a save without a load following, do some
// unknown stuff that's done after finishing a block of
// strand commands
bra $p1 #ctx_xfer_post
bra not $p2 #ctx_xfer_done
ctx_xfer_post:
mov $r1 0x4afc
sethi $r1 0x20000
mov $r2 0xd
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0d
call #strand_wait
// mark completion in HUB's barrier
ctx_xfer_done:
call #hub_barrier_done
ret
#endif
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc
View file @ e99716f1
/* fuc microcode for nvc0 PGRAPH/GPC
*
* Copyright 2011 Red Hat Inc.
/*
* Copyright 2013 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
......@@ -20,32 +19,17 @@
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
/* To build:
* m4 gpcnvc0.fuc | envyas -a -w -m fuc -V fuc3 -o gpcnvc0.fuc.h
*/
/* TODO
* - bracket certain functions with scratch writes, useful for debugging
* - watchdog timer around ctx operations
*/
#define NVGF
#include "macros.fuc"
.section #nvc0_grgpc_data
include(`nvc0.fuc')
gpc_id: .b32 0
gpc_mmio_list_head: .b32 0
gpc_mmio_list_tail: .b32 0
tpc_count: .b32 0
tpc_mask: .b32 0
tpc_mmio_list_head: .b32 0
tpc_mmio_list_tail: .b32 0
#define INCLUDE_DATA
#include "com.fuc"
#include "gpc.fuc"
cmd_queue: queue_init
// chipset descriptions
chipsets:
.b8 0xc0 0 0 0
.b16 #nvc0_gpc_mmio_head
......@@ -159,335 +143,12 @@ nvc1_tpc_mmio_tail:
mmctx_data(0x000424, 2);
mmctx_data(0x0006e0, 1);
nvd9_tpc_mmio_tail:
#undef INCLUDE_DATA
.section #nvc0_grgpc_code
#define INCLUDE_CODE
bra #init
define(`include_code')
include(`nvc0.fuc')
// reports an exception to the host
//
// In: $r15 error code (see nvc0.fuc)
//
error:
push $r14
mov $r14 -0x67ec // 0x9814
sethi $r14 0x400000
call #nv_wr32 // HUB_CTXCTL_CC_SCRATCH[5] = error code
add b32 $r14 0x41c
mov $r15 1
call #nv_wr32 // HUB_CTXCTL_INTR_UP_SET
pop $r14
ret
// GPC fuc initialisation, executed by triggering ucode start, will
// fall through to main loop after completion.
//
// Input:
// CC_SCRATCH[0]: chipset (PMC_BOOT_0 read returns 0x0bad0bad... sigh)
// CC_SCRATCH[1]: context base
//
// Output:
// CC_SCRATCH[0]:
// 31:31: set to signal completion
// CC_SCRATCH[1]:
// 31:0: GPC context size
//
init:
clear b32 $r0
mov $sp $r0
// enable fifo access
mov $r1 0x1200
mov $r2 2
iowr I[$r1 + 0x000] $r2 // FIFO_ENABLE
// setup i0 handler, and route all interrupts to it
mov $r1 #ih
mov $iv0 $r1
mov $r1 0x400
iowr I[$r1 + 0x300] $r0 // INTR_DISPATCH
// enable fifo interrupt
mov $r2 4
iowr I[$r1 + 0x000] $r2 // INTR_EN_SET
// enable interrupts
bset $flags ie0
// figure out which GPC we are, and how many TPCs we have
mov $r1 0x608
shl b32 $r1 6
iord $r2 I[$r1 + 0x000] // UNITS
mov $r3 1
and $r2 0x1f
shl b32 $r3 $r2
sub b32 $r3 1
st b32 D[$r0 + #tpc_count] $r2
st b32 D[$r0 + #tpc_mask] $r3
add b32 $r1 0x400
iord $r2 I[$r1 + 0x000] // MYINDEX
st b32 D[$r0 + #gpc_id] $r2
// find context data for this chipset
mov $r2 0x800
shl b32 $r2 6
iord $r2 I[$r2 + 0x000] // CC_SCRATCH[0]
mov $r1 #chipsets - 12
init_find_chipset:
add b32 $r1 12
ld b32 $r3 D[$r1 + 0x00]
cmpu b32 $r3 $r2
bra e #init_context
cmpu b32 $r3 0
bra ne #init_find_chipset
// unknown chipset
ret
// initialise context base, and size tracking
init_context:
mov $r2 0x800
shl b32 $r2 6
iord $r2 I[$r2 + 0x100] // CC_SCRATCH[1], initial base
clear b32 $r3 // track GPC context size here
// set mmctx base addresses now so we don't have to do it later,
// they don't currently ever change
mov $r4 0x700
shl b32 $r4 6
shr b32 $r5 $r2 8
iowr I[$r4 + 0x000] $r5 // MMCTX_SAVE_SWBASE
iowr I[$r4 + 0x100] $r5 // MMCTX_LOAD_SWBASE
// calculate GPC mmio context size, store the chipset-specific
// mmio list pointers somewhere we can get at them later without
// re-parsing the chipset list
clear b32 $r14
clear b32 $r15
ld b16 $r14 D[$r1 + 4]
ld b16 $r15 D[$r1 + 6]
st b16 D[$r0 + #gpc_mmio_list_head] $r14
st b16 D[$r0 + #gpc_mmio_list_tail] $r15
call #mmctx_size
add b32 $r2 $r15
add b32 $r3 $r15
// calculate per-TPC mmio context size, store the list pointers
ld b16 $r14 D[$r1 + 8]
ld b16 $r15 D[$r1 + 10]
st b16 D[$r0 + #tpc_mmio_list_head] $r14
st b16 D[$r0 + #tpc_mmio_list_tail] $r15
call #mmctx_size
ld b32 $r14 D[$r0 + #tpc_count]
mulu $r14 $r15
add b32 $r2 $r14
add b32 $r3 $r14
// round up base/size to 256 byte boundary (for strand SWBASE)
add b32 $r4 0x1300
shr b32 $r3 2
iowr I[$r4 + 0x000] $r3 // MMCTX_LOAD_COUNT, wtf for?!?
shr b32 $r2 8
shr b32 $r3 6
add b32 $r2 1
add b32 $r3 1
shl b32 $r2 8
shl b32 $r3 8
// calculate size of strand context data
mov b32 $r15 $r2
call #strand_ctx_init
add b32 $r3 $r15
// save context size, and tell HUB we're done
mov $r1 0x800
shl b32 $r1 6
iowr I[$r1 + 0x100] $r3 // CC_SCRATCH[1] = context size
add b32 $r1 0x800
clear b32 $r2
bset $r2 31
iowr I[$r1 + 0x000] $r2 // CC_SCRATCH[0] |= 0x80000000
// Main program loop, very simple, sleeps until woken up by the interrupt
// handler, pulls a command from the queue and executes its handler
//
main:
bset $flags $p0
sleep $p0
mov $r13 #cmd_queue
call #queue_get
bra $p1 #main
// 0x0000-0x0003 are all context transfers
cmpu b32 $r14 0x04
bra nc #main_not_ctx_xfer
// fetch $flags and mask off $p1/$p2
mov $r1 $flags
mov $r2 0x0006
not b32 $r2
and $r1 $r2
// set $p1/$p2 according to transfer type
shl b32 $r14 1
or $r1 $r14
mov $flags $r1
// transfer context data
call #ctx_xfer
bra #main
main_not_ctx_xfer:
shl b32 $r15 $r14 16
or $r15 E_BAD_COMMAND
call #error
bra #main
// interrupt handler
ih:
push $r8
mov $r8 $flags
push $r8
push $r9
push $r10
push $r11
push $r13
push $r14
push $r15
// incoming fifo command?
iord $r10 I[$r0 + 0x200] // INTR
and $r11 $r10 0x00000004
bra e #ih_no_fifo
// queue incoming fifo command for later processing
mov $r11 0x1900
mov $r13 #cmd_queue
iord $r14 I[$r11 + 0x100] // FIFO_CMD
iord $r15 I[$r11 + 0x000] // FIFO_DATA
call #queue_put
add b32 $r11 0x400
mov $r14 1
iowr I[$r11 + 0x000] $r14 // FIFO_ACK
// ack, and wake up main()
ih_no_fifo:
iowr I[$r0 + 0x100] $r10 // INTR_ACK
pop $r15
pop $r14
pop $r13
pop $r11
pop $r10
pop $r9
pop $r8
mov $flags $r8
pop $r8
bclr $flags $p0
iret
// Set this GPC's bit in HUB_BAR, used to signal completion of various
// activities to the HUB fuc
//
hub_barrier_done:
mov $r15 1
ld b32 $r14 D[$r0 + #gpc_id]
shl b32 $r15 $r14
mov $r14 -0x6be8 // 0x409418 - HUB_BAR_SET
sethi $r14 0x400000
call #nv_wr32
ret
// Disables various things, waits a bit, and re-enables them..
//
// Not sure how exactly this helps, perhaps "ENABLE" is not such a
// good description for the bits we turn off? Anyways, without this,
// funny things happen.
//
ctx_redswitch:
mov $r14 0x614
shl b32 $r14 6
mov $r15 0x020
iowr I[$r14] $r15 // GPC_RED_SWITCH = POWER
mov $r15 8
ctx_redswitch_delay:
sub b32 $r15 1
bra ne #ctx_redswitch_delay
mov $r15 0xa20
iowr I[$r14] $r15 // GPC_RED_SWITCH = UNK11, ENABLE, POWER
ret
// Transfer GPC context data between GPU and storage area
//
// In: $r15 context base address
// $p1 clear on save, set on load
// $p2 set if opposite direction done/will be done, so:
// on save it means: "a load will follow this save"
// on load it means: "a save preceeded this load"
//
ctx_xfer:
// set context base address
mov $r1 0xa04
shl b32 $r1 6
iowr I[$r1 + 0x000] $r15// MEM_BASE
bra not $p1 #ctx_xfer_not_load
call #ctx_redswitch
ctx_xfer_not_load:
// strands
mov $r1 0x4afc
sethi $r1 0x20000
mov $r2 0xc
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0c
call #strand_wait
mov $r2 0x47fc
sethi $r2 0x20000
iowr I[$r2] $r0 // STRAND_FIRST_GENE(0x3f) = 0x00
xbit $r2 $flags $p1
add b32 $r2 3
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x03/0x04 (SAVE/LOAD)
// mmio context
xbit $r10 $flags $p1 // direction
or $r10 2 // first
mov $r11 0x0000
sethi $r11 0x500000
ld b32 $r12 D[$r0 + #gpc_id]
shl b32 $r12 15
add b32 $r11 $r12 // base = NV_PGRAPH_GPCn
ld b32 $r12 D[$r0 + #gpc_mmio_list_head]
ld b32 $r13 D[$r0 + #gpc_mmio_list_tail]
mov $r14 0 // not multi
call #mmctx_xfer
// per-TPC mmio context
xbit $r10 $flags $p1 // direction
or $r10 4 // last
mov $r11 0x4000
sethi $r11 0x500000 // base = NV_PGRAPH_GPC0_TPC0
ld b32 $r12 D[$r0 + #gpc_id]
shl b32 $r12 15
add b32 $r11 $r12 // base = NV_PGRAPH_GPCn_TPC0
ld b32 $r12 D[$r0 + #tpc_mmio_list_head]
ld b32 $r13 D[$r0 + #tpc_mmio_list_tail]
ld b32 $r15 D[$r0 + #tpc_mask]
mov $r14 0x800 // stride = 0x800
call #mmctx_xfer
// wait for strands to finish
call #strand_wait
// if load, or a save without a load following, do some
// unknown stuff that's done after finishing a block of
// strand commands
bra $p1 #ctx_xfer_post
bra not $p2 #ctx_xfer_done
ctx_xfer_post:
mov $r1 0x4afc
sethi $r1 0x20000
mov $r2 0xd
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0d
call #strand_wait
// mark completion in HUB's barrier
ctx_xfer_done:
call #hub_barrier_done
ret
#include "com.fuc"
#include "gpc.fuc"
.align 256
#undef INCLUDE_CODE
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc.h
View file @ e99716f1
......@@ -192,7 +192,7 @@ uint32_t nvc0_grgpc_code[] = {
0x0089d000,
0x081887f1,
0xd00684b6,
/* 0x00e2: wait_done_wait_donez */
/* 0x00e2: wait_donez_ne */
0x87f1008a,
0x84b60400,
0x0088cf06,
......@@ -209,7 +209,7 @@ uint32_t nvc0_grgpc_code[] = {
0x87f10089,
0x84b60818,
0x008ad006,
/* 0x011c: wait_done_wait_doneo */
/* 0x011c: wait_doneo_e */
0x040087f1,
0xcf0684b6,
0x8aff0088,
......
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc
View file @ e99716f1
/* fuc microcode for nve0 PGRAPH/GPC
*
* Copyright 2011 Red Hat Inc.
/*
* Copyright 2013 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
......@@ -20,32 +19,17 @@
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
/* To build:
* m4 nve0_grgpc.fuc | envyas -a -w -m fuc -V nva3 -o nve0_grgpc.fuc.h
*/
/* TODO
* - bracket certain functions with scratch writes, useful for debugging
* - watchdog timer around ctx operations
*/
#define NVGK
#include "macros.fuc"
.section #nve0_grgpc_data
include(`nve0.fuc')
gpc_id: .b32 0
gpc_mmio_list_head: .b32 0
gpc_mmio_list_tail: .b32 0
tpc_count: .b32 0
tpc_mask: .b32 0
tpc_mmio_list_head: .b32 0
tpc_mmio_list_tail: .b32 0
#define INCLUDE_DATA
#include "com.fuc"
#include "gpc.fuc"
cmd_queue: queue_init
// chipset descriptions
chipsets:
.b8 0xe4 0 0 0
.b16 #nve4_gpc_mmio_head
......@@ -182,335 +166,12 @@ mmctx_data(0x000758, 1)
mmctx_data(0x000770, 1)
mmctx_data(0x000778, 2)
nvf0_tpc_mmio_tail:
#undef INCLUDE_DATA
.section #nve0_grgpc_code
#define INCLUDE_CODE
bra #init
define(`include_code')
include(`nve0.fuc')
// reports an exception to the host
//
// In: $r15 error code (see nve0.fuc)
//
error:
push $r14
mov $r14 -0x67ec // 0x9814
sethi $r14 0x400000
call #nv_wr32 // HUB_CTXCTL_CC_SCRATCH[5] = error code
add b32 $r14 0x41c
mov $r15 1
call #nv_wr32 // HUB_CTXCTL_INTR_UP_SET
pop $r14
ret
// GPC fuc initialisation, executed by triggering ucode start, will
// fall through to main loop after completion.
//
// Input:
// CC_SCRATCH[0]: chipset (PMC_BOOT_0 read returns 0x0bad0bad... sigh)
// CC_SCRATCH[1]: context base
//
// Output:
// CC_SCRATCH[0]:
// 31:31: set to signal completion
// CC_SCRATCH[1]:
// 31:0: GPC context size
//
init:
clear b32 $r0
mov $sp $r0
// enable fifo access
mov $r1 0x1200
mov $r2 2
iowr I[$r1 + 0x000] $r2 // FIFO_ENABLE
// setup i0 handler, and route all interrupts to it
mov $r1 #ih
mov $iv0 $r1
mov $r1 0x400
iowr I[$r1 + 0x300] $r0 // INTR_DISPATCH
// enable fifo interrupt
mov $r2 4
iowr I[$r1 + 0x000] $r2 // INTR_EN_SET
// enable interrupts
bset $flags ie0
// figure out which GPC we are, and how many TPCs we have
mov $r1 0x608
shl b32 $r1 6
iord $r2 I[$r1 + 0x000] // UNITS
mov $r3 1
and $r2 0x1f
shl b32 $r3 $r2
sub b32 $r3 1
st b32 D[$r0 + #tpc_count] $r2
st b32 D[$r0 + #tpc_mask] $r3
add b32 $r1 0x400
iord $r2 I[$r1 + 0x000] // MYINDEX
st b32 D[$r0 + #gpc_id] $r2
// find context data for this chipset
mov $r2 0x800
shl b32 $r2 6
iord $r2 I[$r2 + 0x000] // CC_SCRATCH[0]
mov $r1 #chipsets - 12
init_find_chipset:
add b32 $r1 12
ld b32 $r3 D[$r1 + 0x00]
cmpu b32 $r3 $r2
bra e #init_context
cmpu b32 $r3 0
bra ne #init_find_chipset
// unknown chipset
ret
// initialise context base, and size tracking
init_context:
mov $r2 0x800
shl b32 $r2 6
iord $r2 I[$r2 + 0x100] // CC_SCRATCH[1], initial base
clear b32 $r3 // track GPC context size here
// set mmctx base addresses now so we don't have to do it later,
// they don't currently ever change
mov $r4 0x700
shl b32 $r4 6
shr b32 $r5 $r2 8
iowr I[$r4 + 0x000] $r5 // MMCTX_SAVE_SWBASE
iowr I[$r4 + 0x100] $r5 // MMCTX_LOAD_SWBASE
// calculate GPC mmio context size, store the chipset-specific
// mmio list pointers somewhere we can get at them later without
// re-parsing the chipset list
clear b32 $r14
clear b32 $r15
ld b16 $r14 D[$r1 + 4]
ld b16 $r15 D[$r1 + 6]
st b16 D[$r0 + #gpc_mmio_list_head] $r14
st b16 D[$r0 + #gpc_mmio_list_tail] $r15
call #mmctx_size
add b32 $r2 $r15
add b32 $r3 $r15
// calculate per-TPC mmio context size, store the list pointers
ld b16 $r14 D[$r1 + 8]
ld b16 $r15 D[$r1 + 10]
st b16 D[$r0 + #tpc_mmio_list_head] $r14
st b16 D[$r0 + #tpc_mmio_list_tail] $r15
call #mmctx_size
ld b32 $r14 D[$r0 + #tpc_count]
mulu $r14 $r15
add b32 $r2 $r14
add b32 $r3 $r14
// round up base/size to 256 byte boundary (for strand SWBASE)
add b32 $r4 0x1300
shr b32 $r3 2
iowr I[$r4 + 0x000] $r3 // MMCTX_LOAD_COUNT, wtf for?!?
shr b32 $r2 8
shr b32 $r3 6
add b32 $r2 1
add b32 $r3 1
shl b32 $r2 8
shl b32 $r3 8
// calculate size of strand context data
mov b32 $r15 $r2
call #strand_ctx_init
add b32 $r3 $r15
// save context size, and tell HUB we're done
mov $r1 0x800
shl b32 $r1 6
iowr I[$r1 + 0x100] $r3 // CC_SCRATCH[1] = context size
add b32 $r1 0x800
clear b32 $r2
bset $r2 31
iowr I[$r1 + 0x000] $r2 // CC_SCRATCH[0] |= 0x80000000
// Main program loop, very simple, sleeps until woken up by the interrupt
// handler, pulls a command from the queue and executes its handler
//
main:
bset $flags $p0
sleep $p0
mov $r13 #cmd_queue
call #queue_get
bra $p1 #main
// 0x0000-0x0003 are all context transfers
cmpu b32 $r14 0x04
bra nc #main_not_ctx_xfer
// fetch $flags and mask off $p1/$p2
mov $r1 $flags
mov $r2 0x0006
not b32 $r2
and $r1 $r2
// set $p1/$p2 according to transfer type
shl b32 $r14 1
or $r1 $r14
mov $flags $r1
// transfer context data
call #ctx_xfer
bra #main
main_not_ctx_xfer:
shl b32 $r15 $r14 16
or $r15 E_BAD_COMMAND
call #error
bra #main
// interrupt handler
ih:
push $r8
mov $r8 $flags
push $r8
push $r9
push $r10
push $r11
push $r13
push $r14
push $r15
// incoming fifo command?
iord $r10 I[$r0 + 0x200] // INTR
and $r11 $r10 0x00000004
bra e #ih_no_fifo
// queue incoming fifo command for later processing
mov $r11 0x1900
mov $r13 #cmd_queue
iord $r14 I[$r11 + 0x100] // FIFO_CMD
iord $r15 I[$r11 + 0x000] // FIFO_DATA
call #queue_put
add b32 $r11 0x400
mov $r14 1
iowr I[$r11 + 0x000] $r14 // FIFO_ACK
// ack, and wake up main()
ih_no_fifo:
iowr I[$r0 + 0x100] $r10 // INTR_ACK
pop $r15
pop $r14
pop $r13
pop $r11
pop $r10
pop $r9
pop $r8
mov $flags $r8
pop $r8
bclr $flags $p0
iret
// Set this GPC's bit in HUB_BAR, used to signal completion of various
// activities to the HUB fuc
//
hub_barrier_done:
mov $r15 1
ld b32 $r14 D[$r0 + #gpc_id]
shl b32 $r15 $r14
mov $r14 -0x6be8 // 0x409418 - HUB_BAR_SET
sethi $r14 0x400000
call #nv_wr32
ret
// Disables various things, waits a bit, and re-enables them..
//
// Not sure how exactly this helps, perhaps "ENABLE" is not such a
// good description for the bits we turn off? Anyways, without this,
// funny things happen.
//
ctx_redswitch:
mov $r14 0x614
shl b32 $r14 6
mov $r15 0x020
iowr I[$r14] $r15 // GPC_RED_SWITCH = POWER
mov $r15 8
ctx_redswitch_delay:
sub b32 $r15 1
bra ne #ctx_redswitch_delay
mov $r15 0xa20
iowr I[$r14] $r15 // GPC_RED_SWITCH = UNK11, ENABLE, POWER
ret
// Transfer GPC context data between GPU and storage area
//
// In: $r15 context base address
// $p1 clear on save, set on load
// $p2 set if opposite direction done/will be done, so:
// on save it means: "a load will follow this save"
// on load it means: "a save preceeded this load"
//
ctx_xfer:
// set context base address
mov $r1 0xa04
shl b32 $r1 6
iowr I[$r1 + 0x000] $r15// MEM_BASE
bra not $p1 #ctx_xfer_not_load
call #ctx_redswitch
ctx_xfer_not_load:
// strands
mov $r1 0x4afc
sethi $r1 0x20000
mov $r2 0xc
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0c
call #strand_wait
mov $r2 0x47fc
sethi $r2 0x20000
iowr I[$r2] $r0 // STRAND_FIRST_GENE(0x3f) = 0x00
xbit $r2 $flags $p1
add b32 $r2 3
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x03/0x04 (SAVE/LOAD)
// mmio context
xbit $r10 $flags $p1 // direction
or $r10 2 // first
mov $r11 0x0000
sethi $r11 0x500000
ld b32 $r12 D[$r0 + #gpc_id]
shl b32 $r12 15
add b32 $r11 $r12 // base = NV_PGRAPH_GPCn
ld b32 $r12 D[$r0 + #gpc_mmio_list_head]
ld b32 $r13 D[$r0 + #gpc_mmio_list_tail]
mov $r14 0 // not multi
call #mmctx_xfer
// per-TPC mmio context
xbit $r10 $flags $p1 // direction
or $r10 4 // last
mov $r11 0x4000
sethi $r11 0x500000 // base = NV_PGRAPH_GPC0_TPC0
ld b32 $r12 D[$r0 + #gpc_id]
shl b32 $r12 15
add b32 $r11 $r12 // base = NV_PGRAPH_GPCn_TPC0
ld b32 $r12 D[$r0 + #tpc_mmio_list_head]
ld b32 $r13 D[$r0 + #tpc_mmio_list_tail]
ld b32 $r15 D[$r0 + #tpc_mask]
mov $r14 0x800 // stride = 0x800
call #mmctx_xfer
// wait for strands to finish
call #strand_wait
// if load, or a save without a load following, do some
// unknown stuff that's done after finishing a block of
// strand commands
bra $p1 #ctx_xfer_post
bra not $p2 #ctx_xfer_done
ctx_xfer_post:
mov $r1 0x4afc
sethi $r1 0x20000
mov $r2 0xd
iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0d
call #strand_wait
// mark completion in HUB's barrier
ctx_xfer_done:
call #hub_barrier_done
ret
#include "com.fuc"
#include "gpc.fuc"
.align 256
#undef INCLUDE_CODE
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc.h
View file @ e99716f1
......@@ -223,7 +223,7 @@ uint32_t nve0_grgpc_code[] = {
0x0089d000,
0x081887f1,
0xd00684b6,
/* 0x00e2: wait_done_wait_donez */
/* 0x00e2: wait_donez_ne */
0x87f1008a,
0x84b60400,
0x0088cf06,
......@@ -240,7 +240,7 @@ uint32_t nve0_grgpc_code[] = {
0x87f10089,
0x84b60818,
0x008ad006,
/* 0x011c: wait_done_wait_doneo */
/* 0x011c: wait_doneo_e */
0x040087f1,
0xcf0684b6,
0x8aff0088,
......
drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc 0 → 100644
View file @ e99716f1
This diff is collapsed.
drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc.h
View file @ e99716f1
......@@ -338,7 +338,7 @@ uint32_t nvc0_grhub_code[] = {
0x0089d000,
0x081887f1,
0xd00684b6,
/* 0x00e2: wait_done_wait_donez */
/* 0x00e2: wait_donez_ne */
0x87f1008a,
0x84b60400,
0x0088cf06,
......@@ -355,7 +355,7 @@ uint32_t nvc0_grhub_code[] = {
0x87f10089,
0x84b60818,
0x008ad006,
/* 0x011c: wait_done_wait_doneo */
/* 0x011c: wait_doneo_e */
0x040087f1,
0xcf0684b6,
0x8aff0088,
......
drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc.h
View file @ e99716f1
......@@ -388,7 +388,7 @@ uint32_t nve0_grhub_code[] = {
0x0089d000,
0x081887f1,
0xd00684b6,
/* 0x00e2: wait_done_wait_donez */
/* 0x00e2: wait_donez_ne */
0x87f1008a,
0x84b60400,
0x0088cf06,
......@@ -405,7 +405,7 @@ uint32_t nve0_grhub_code[] = {
0x87f10089,
0x84b60818,
0x008ad006,
/* 0x011c: wait_done_wait_doneo */
/* 0x011c: wait_doneo_e */
0x040087f1,
0xcf0684b6,
0x8aff0088,
......
drivers/gpu/drm/nouveau/core/engine/graph/fuc/macros.fuc 0 → 100644
View file @ e99716f1
/*
* Copyright 2013 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include "os.h"
#define mmctx_data(r,c) .b32 (((c - 1) << 26) | r)
#define queue_init .skip 72 // (2 * 4) + ((8 * 4) * 2)
#define T_WAIT 0
#define T_MMCTX 1
#define T_STRWAIT 2
#define T_STRINIT 3
#define T_AUTO 4
#define T_CHAN 5
#define T_LOAD 6
#define T_SAVE 7
#define T_LCHAN 8
#define T_LCTXH 9
#define trace_set(bit) /*
*/ mov $r8 0x83c /*
*/ shl b32 $r8 6 /*
*/ clear b32 $r9 /*
*/ bset $r9 bit /*
*/ iowr I[$r8 + 0x000] $r9
#define trace_clr(bit) /*
*/ mov $r8 0x85c /*
*/ shl b32 $r8 6 /*
*/ clear b32 $r9 /*
*/ bset $r9 bit /*
*/ iowr I[$r8 + 0x000] $r9
drivers/gpu/drm/nouveau/core/engine/graph/fuc/nve0.fuc deleted 100644 → 0
View file @ 05f9a5bc
/* fuc microcode util functions for nve0 PGRAPH
*
* Copyright 2011 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
define(`mmctx_data', `.b32 eval((($2 - 1) << 26) | $1)')
define(`queue_init', `.skip eval((2 * 4) + ((8 * 4) * 2))')
ifdef(`include_code', `
// Error codes
define(`E_BAD_COMMAND', 0x01)
define(`E_CMD_OVERFLOW', 0x02)
// Util macros to help with debugging ucode hangs etc
define(`T_WAIT', 0)
define(`T_MMCTX', 1)
define(`T_STRWAIT', 2)
define(`T_STRINIT', 3)
define(`T_AUTO', 4)
define(`T_CHAN', 5)
define(`T_LOAD', 6)
define(`T_SAVE', 7)
define(`T_LCHAN', 8)
define(`T_LCTXH', 9)
define(`trace_set', `
mov $r8 0x83c
shl b32 $r8 6
clear b32 $r9
bset $r9 $1
iowr I[$r8 + 0x000] $r9 // CC_SCRATCH[7]
')
define(`trace_clr', `
mov $r8 0x85c
shl b32 $r8 6
clear b32 $r9
bset $r9 $1
iowr I[$r8 + 0x000] $r9 // CC_SCRATCH[7]
')
// queue_put - add request to queue
//
// In : $r13 queue pointer
// $r14 command
// $r15 data
//
queue_put:
// make sure we have space..
ld b32 $r8 D[$r13 + 0x0] // GET
ld b32 $r9 D[$r13 + 0x4] // PUT
xor $r8 8
cmpu b32 $r8 $r9
bra ne #queue_put_next
mov $r15 E_CMD_OVERFLOW
call #error
ret
// store cmd/data on queue
queue_put_next:
and $r8 $r9 7
shl b32 $r8 3
add b32 $r8 $r13
add b32 $r8 8
st b32 D[$r8 + 0x0] $r14
st b32 D[$r8 + 0x4] $r15
// update PUT
add b32 $r9 1
and $r9 0xf
st b32 D[$r13 + 0x4] $r9
ret
// queue_get - fetch request from queue
//
// In : $r13 queue pointer
//
// Out: $p1 clear on success (data available)
// $r14 command
// $r15 data
//
queue_get:
bset $flags $p1
ld b32 $r8 D[$r13 + 0x0] // GET
ld b32 $r9 D[$r13 + 0x4] // PUT
cmpu b32 $r8 $r9
bra e #queue_get_done
// fetch first cmd/data pair
and $r9 $r8 7
shl b32 $r9 3
add b32 $r9 $r13
add b32 $r9 8
ld b32 $r14 D[$r9 + 0x0]
ld b32 $r15 D[$r9 + 0x4]
// update GET
add b32 $r8 1
and $r8 0xf
st b32 D[$r13 + 0x0] $r8
bclr $flags $p1
queue_get_done:
ret
// nv_rd32 - read 32-bit value from nv register
//
// In : $r14 register
// Out: $r15 value
//
nv_rd32:
mov $r11 0x728
shl b32 $r11 6
mov b32 $r12 $r14
bset $r12 31 // MMIO_CTRL_PENDING
iowr I[$r11 + 0x000] $r12 // MMIO_CTRL
nv_rd32_wait:
iord $r12 I[$r11 + 0x000]
xbit $r12 $r12 31
bra ne #nv_rd32_wait
mov $r10 6 // DONE_MMIO_RD
call #wait_doneo
iord $r15 I[$r11 + 0x100] // MMIO_RDVAL
ret
// nv_wr32 - write 32-bit value to nv register
//
// In : $r14 register
// $r15 value
//
nv_wr32:
mov $r11 0x728
shl b32 $r11 6
iowr I[$r11 + 0x200] $r15 // MMIO_WRVAL
mov b32 $r12 $r14
bset $r12 31 // MMIO_CTRL_PENDING
bset $r12 30 // MMIO_CTRL_WRITE
iowr I[$r11 + 0x000] $r12 // MMIO_CTRL
nv_wr32_wait:
iord $r12 I[$r11 + 0x000]
xbit $r12 $r12 31
bra ne #nv_wr32_wait
ret
// (re)set watchdog timer
//
// In : $r15 timeout
//
watchdog_reset:
mov $r8 0x430
shl b32 $r8 6
bset $r15 31
iowr I[$r8 + 0x000] $r15
ret
// clear watchdog timer
watchdog_clear:
mov $r8 0x430
shl b32 $r8 6
iowr I[$r8 + 0x000] $r0
ret
// wait_done{z,o} - wait on FUC_DONE bit to become clear/set
//
// In : $r10 bit to wait on
//
define(`wait_done', `
$1:
trace_set(T_WAIT);
mov $r8 0x818
shl b32 $r8 6
iowr I[$r8 + 0x000] $r10 // CC_SCRATCH[6] = wait bit
wait_done_$1:
mov $r8 0x400
shl b32 $r8 6
iord $r8 I[$r8 + 0x000] // DONE
xbit $r8 $r8 $r10
bra $2 #wait_done_$1
trace_clr(T_WAIT)
ret
')
wait_done(wait_donez, ne)
wait_done(wait_doneo, e)
// mmctx_size - determine size of a mmio list transfer
//
// In : $r14 mmio list head
// $r15 mmio list tail
// Out: $r15 transfer size (in bytes)
//
mmctx_size:
clear b32 $r9
nv_mmctx_size_loop:
ld b32 $r8 D[$r14]
shr b32 $r8 26
add b32 $r8 1
shl b32 $r8 2
add b32 $r9 $r8
add b32 $r14 4
cmpu b32 $r14 $r15
bra ne #nv_mmctx_size_loop
mov b32 $r15 $r9
ret
// mmctx_xfer - execute a list of mmio transfers
//
// In : $r10 flags
// bit 0: direction (0 = save, 1 = load)
// bit 1: set if first transfer
// bit 2: set if last transfer
// $r11 base
// $r12 mmio list head
// $r13 mmio list tail
// $r14 multi_stride
// $r15 multi_mask
//
mmctx_xfer:
trace_set(T_MMCTX)
mov $r8 0x710
shl b32 $r8 6
clear b32 $r9
or $r11 $r11
bra e #mmctx_base_disabled
iowr I[$r8 + 0x000] $r11 // MMCTX_BASE
bset $r9 0 // BASE_EN
mmctx_base_disabled:
or $r14 $r14
bra e #mmctx_multi_disabled
iowr I[$r8 + 0x200] $r14 // MMCTX_MULTI_STRIDE
iowr I[$r8 + 0x300] $r15 // MMCTX_MULTI_MASK
bset $r9 1 // MULTI_EN
mmctx_multi_disabled:
add b32 $r8 0x100
xbit $r11 $r10 0
shl b32 $r11 16 // DIR
bset $r11 12 // QLIMIT = 0x10
xbit $r14 $r10 1
shl b32 $r14 17
or $r11 $r14 // START_TRIGGER
iowr I[$r8 + 0x000] $r11 // MMCTX_CTRL
// loop over the mmio list, and send requests to the hw
mmctx_exec_loop:
// wait for space in mmctx queue
mmctx_wait_free:
iord $r14 I[$r8 + 0x000] // MMCTX_CTRL
and $r14 0x1f
bra e #mmctx_wait_free
// queue up an entry
ld b32 $r14 D[$r12]
or $r14 $r9
iowr I[$r8 + 0x300] $r14
add b32 $r12 4
cmpu b32 $r12 $r13
bra ne #mmctx_exec_loop
xbit $r11 $r10 2
bra ne #mmctx_stop
// wait for queue to empty
mmctx_fini_wait:
iord $r11 I[$r8 + 0x000] // MMCTX_CTRL
and $r11 0x1f
cmpu b32 $r11 0x10
bra ne #mmctx_fini_wait
mov $r10 2 // DONE_MMCTX
call #wait_donez
bra #mmctx_done
mmctx_stop:
xbit $r11 $r10 0
shl b32 $r11 16 // DIR
bset $r11 12 // QLIMIT = 0x10
bset $r11 18 // STOP_TRIGGER
iowr I[$r8 + 0x000] $r11 // MMCTX_CTRL
mmctx_stop_wait:
// wait for STOP_TRIGGER to clear
iord $r11 I[$r8 + 0x000] // MMCTX_CTRL
xbit $r11 $r11 18
bra ne #mmctx_stop_wait
mmctx_done:
trace_clr(T_MMCTX)
ret
// Wait for DONE_STRAND
//
strand_wait:
push $r10
mov $r10 2
call #wait_donez
pop $r10
ret
// unknown - call before issuing strand commands
//
strand_pre:
mov $r8 0x4afc
sethi $r8 0x20000
mov $r9 0xc
iowr I[$r8] $r9
call #strand_wait
ret
// unknown - call after issuing strand commands
//
strand_post:
mov $r8 0x4afc
sethi $r8 0x20000
mov $r9 0xd
iowr I[$r8] $r9
call #strand_wait
ret
// Selects strand set?!
//
// In: $r14 id
//
strand_set:
mov $r10 0x4ffc
sethi $r10 0x20000
sub b32 $r11 $r10 0x500
mov $r12 0xf
iowr I[$r10 + 0x000] $r12 // 0x93c = 0xf
mov $r12 0xb
iowr I[$r11 + 0x000] $r12 // 0x928 = 0xb
call #strand_wait
iowr I[$r10 + 0x000] $r14 // 0x93c = <id>
mov $r12 0xa
iowr I[$r11 + 0x000] $r12 // 0x928 = 0xa
call #strand_wait
ret
// Initialise strand context data
//
// In : $r15 context base
// Out: $r15 context size (in bytes)
//
// Strandset(?) 3 hardcoded currently
//
strand_ctx_init:
trace_set(T_STRINIT)
call #strand_pre
mov $r14 3
call #strand_set
mov $r10 0x46fc
sethi $r10 0x20000
add b32 $r11 $r10 0x400
iowr I[$r10 + 0x100] $r0 // STRAND_FIRST_GENE = 0
mov $r12 1
iowr I[$r11 + 0x000] $r12 // STRAND_CMD = LATCH_FIRST_GENE
call #strand_wait
sub b32 $r12 $r0 1
iowr I[$r10 + 0x000] $r12 // STRAND_GENE_CNT = 0xffffffff
mov $r12 2
iowr I[$r11 + 0x000] $r12 // STRAND_CMD = LATCH_GENE_CNT
call #strand_wait
call #strand_post
// read the size of each strand, poke the context offset of
// each into STRAND_{SAVE,LOAD}_SWBASE now, no need to worry
// about it later then.
mov $r8 0x880
shl b32 $r8 6
iord $r9 I[$r8 + 0x000] // STRANDS
add b32 $r8 0x2200
shr b32 $r14 $r15 8
ctx_init_strand_loop:
iowr I[$r8 + 0x000] $r14 // STRAND_SAVE_SWBASE
iowr I[$r8 + 0x100] $r14 // STRAND_LOAD_SWBASE
iord $r10 I[$r8 + 0x200] // STRAND_SIZE
shr b32 $r10 6
add b32 $r10 1
add b32 $r14 $r10
add b32 $r8 4
sub b32 $r9 1
bra ne #ctx_init_strand_loop
shl b32 $r14 8
sub b32 $r15 $r14 $r15
trace_clr(T_STRINIT)
ret
')
drivers/gpu/drm/nouveau/core/engine/graph/fuc/os.h 0 → 100644
View file @ e99716f1
#ifndef __NVKM_GRAPH_OS_H__
#define __NVKM_GRAPH_OS_H__
#define E_BAD_COMMAND 0x00000001
#define E_CMD_OVERFLOW 0x00000002
#endif
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