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Commit 1978a2f2 authored by Ben Skeggs's avatar Ben Skeggs
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drm/nve0/gr: initial fuc implementation, based on fermi's code 

Currently identical except the available chipset register lists.  This will
*not* currently work and is disabled by default because of this.

May get merged again later, remains to be seen what further changes will be
required.
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 2c1a425e
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Showing with 3235 additions and 69 deletions
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc 0 → 100644
View file @ 1978a2f2
/* fuc microcode for nve0 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
*/
/* 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
*/
.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
cmd_queue: queue_init
// chipset descriptions
chipsets:
.b8 0xe4 0 0 0
.b16 #nve4_gpc_mmio_head
.b16 #nve4_gpc_mmio_tail
.b16 #nve4_tpc_mmio_head
.b16 #nve4_tpc_mmio_tail
.b8 0xe7 0 0 0
.b16 #nve4_gpc_mmio_head
.b16 #nve4_gpc_mmio_tail
.b16 #nve4_tpc_mmio_head
.b16 #nve4_tpc_mmio_tail
.b8 0 0 0 0
// GPC mmio lists
nve4_gpc_mmio_head:
mmctx_data(0x000380, 1)
mmctx_data(0x000400, 2)
mmctx_data(0x00040c, 3)
mmctx_data(0x000450, 9)
mmctx_data(0x000600, 1)
mmctx_data(0x000684, 1)
mmctx_data(0x000700, 5)
mmctx_data(0x000800, 1)
mmctx_data(0x000808, 3)
mmctx_data(0x000828, 1)
mmctx_data(0x000830, 1)
mmctx_data(0x0008d8, 1)
mmctx_data(0x0008e0, 1)
mmctx_data(0x0008e8, 6)
mmctx_data(0x00091c, 1)
mmctx_data(0x000924, 3)
mmctx_data(0x000b00, 1)
mmctx_data(0x000b08, 6)
mmctx_data(0x000bb8, 1)
mmctx_data(0x000c08, 1)
mmctx_data(0x000c10, 8)
mmctx_data(0x000c40, 1)
mmctx_data(0x000c6c, 1)
mmctx_data(0x000c80, 1)
mmctx_data(0x000c8c, 1)
mmctx_data(0x001000, 3)
mmctx_data(0x001014, 1)
mmctx_data(0x003024, 1)
mmctx_data(0x0030c0, 2)
mmctx_data(0x0030e4, 1)
mmctx_data(0x003100, 6)
mmctx_data(0x0031d0, 1)
mmctx_data(0x0031e0, 2)
nve4_gpc_mmio_tail:
// TPC mmio lists
nve4_tpc_mmio_head:
mmctx_data(0x000048, 1)
mmctx_data(0x000064, 1)
mmctx_data(0x000088, 1)
mmctx_data(0x000200, 6)
mmctx_data(0x00021c, 2)
mmctx_data(0x000230, 1)
mmctx_data(0x0002c4, 1)
mmctx_data(0x000400, 3)
mmctx_data(0x000420, 3)
mmctx_data(0x0004e8, 1)
mmctx_data(0x0004f4, 1)
mmctx_data(0x000604, 4)
mmctx_data(0x000644, 22)
mmctx_data(0x0006ac, 2)
mmctx_data(0x0006c8, 1)
mmctx_data(0x000730, 8)
mmctx_data(0x000758, 1)
mmctx_data(0x000778, 1)
nve4_tpc_mmio_tail:
.section #nve0_grgpc_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
.align 256
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnve0.fuc.h 0 → 100644
View file @ 1978a2f2
uint32_t nve0_grgpc_data[] = {
/* 0x0000: gpc_id */
0x00000000,
/* 0x0004: gpc_mmio_list_head */
0x00000000,
/* 0x0008: gpc_mmio_list_tail */
0x00000000,
/* 0x000c: tpc_count */
0x00000000,
/* 0x0010: tpc_mask */
0x00000000,
/* 0x0014: tpc_mmio_list_head */
0x00000000,
/* 0x0018: tpc_mmio_list_tail */
0x00000000,
/* 0x001c: cmd_queue */
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
/* 0x0064: chipsets */
0x000000e4,
0x01040080,
0x014c0104,
0x000000e7,
0x01040080,
0x014c0104,
0x00000000,
/* 0x0080: nve4_gpc_mmio_head */
0x00000380,
0x04000400,
0x0800040c,
0x20000450,
0x00000600,
0x00000684,
0x10000700,
0x00000800,
0x08000808,
0x00000828,
0x00000830,
0x000008d8,
0x000008e0,
0x140008e8,
0x0000091c,
0x08000924,
0x00000b00,
0x14000b08,
0x00000bb8,
0x00000c08,
0x1c000c10,
0x00000c40,
0x00000c6c,
0x00000c80,
0x00000c8c,
0x08001000,
0x00001014,
0x00003024,
0x040030c0,
0x000030e4,
0x14003100,
0x000031d0,
0x040031e0,
/* 0x0104: nve4_gpc_mmio_tail */
/* 0x0104: nve4_tpc_mmio_head */
0x00000048,
0x00000064,
0x00000088,
0x14000200,
0x0400021c,
0x00000230,
0x000002c4,
0x08000400,
0x08000420,
0x000004e8,
0x000004f4,
0x0c000604,
0x54000644,
0x040006ac,
0x000006c8,
0x1c000730,
0x00000758,
0x00000778,
};
uint32_t nve0_grgpc_code[] = {
0x03060ef5,
/* 0x0004: queue_put */
0x9800d898,
0x86f001d9,
0x0489b808,
0xf00c1bf4,
0x21f502f7,
0x00f802ec,
/* 0x001c: queue_put_next */
0xb60798c4,
0x8dbb0384,
0x0880b600,
0x80008e80,
0x90b6018f,
0x0f94f001,
0xf801d980,
/* 0x0039: queue_get */
0x0131f400,
0x9800d898,
0x89b801d9,
0x210bf404,
0xb60789c4,
0x9dbb0394,
0x0890b600,
0x98009e98,
0x80b6019f,
0x0f84f001,
0xf400d880,
/* 0x0066: queue_get_done */
0x00f80132,
/* 0x0068: nv_rd32 */
0x0728b7f1,
0xb906b4b6,
0xc9f002ec,
0x00bcd01f,
/* 0x0078: nv_rd32_wait */
0xc800bccf,
0x1bf41fcc,
0x06a7f0fa,
0x010321f5,
0xf840bfcf,
/* 0x008d: nv_wr32 */
0x28b7f100,
0x06b4b607,
0xb980bfd0,
0xc9f002ec,
0x1ec9f01f,
/* 0x00a3: nv_wr32_wait */
0xcf00bcd0,
0xccc800bc,
0xfa1bf41f,
/* 0x00ae: watchdog_reset */
0x87f100f8,
0x84b60430,
0x1ff9f006,
0xf8008fd0,
/* 0x00bd: watchdog_clear */
0x3087f100,
0x0684b604,
0xf80080d0,
/* 0x00c9: wait_donez */
0x3c87f100,
0x0684b608,
0x99f094bd,
0x0089d000,
0x081887f1,
0xd00684b6,
/* 0x00e2: wait_done_wait_donez */
0x87f1008a,
0x84b60400,
0x0088cf06,
0xf4888aff,
0x87f1f31b,
0x84b6085c,
0xf094bd06,
0x89d00099,
/* 0x0103: wait_doneo */
0xf100f800,
0xb6083c87,
0x94bd0684,
0xd00099f0,
0x87f10089,
0x84b60818,
0x008ad006,
/* 0x011c: wait_done_wait_doneo */
0x040087f1,
0xcf0684b6,
0x8aff0088,
0xf30bf488,
0x085c87f1,
0xbd0684b6,
0x0099f094,
0xf80089d0,
/* 0x013d: mmctx_size */
/* 0x013f: nv_mmctx_size_loop */
0x9894bd00,
0x85b600e8,
0x0180b61a,
0xbb0284b6,
0xe0b60098,
0x04efb804,
0xb9eb1bf4,
0x00f8029f,
/* 0x015c: mmctx_xfer */
0x083c87f1,
0xbd0684b6,
0x0199f094,
0xf10089d0,
0xb6071087,
0x94bd0684,
0xf405bbfd,
0x8bd0090b,
0x0099f000,
/* 0x0180: mmctx_base_disabled */
0xf405eefd,
0x8ed00c0b,
0xc08fd080,
/* 0x018f: mmctx_multi_disabled */
0xb70199f0,
0xc8010080,
0xb4b600ab,
0x0cb9f010,
0xb601aec8,
0xbefd11e4,
0x008bd005,
/* 0x01a8: mmctx_exec_loop */
/* 0x01a8: mmctx_wait_free */
0xf0008ecf,
0x0bf41fe4,
0x00ce98fa,
0xd005e9fd,
0xc0b6c08e,
0x04cdb804,
0xc8e81bf4,
0x1bf402ab,
/* 0x01c9: mmctx_fini_wait */
0x008bcf18,
0xb01fb4f0,
0x1bf410b4,
0x02a7f0f7,
0xf4c921f4,
/* 0x01de: mmctx_stop */
0xabc81b0e,
0x10b4b600,
0xf00cb9f0,
0x8bd012b9,
/* 0x01ed: mmctx_stop_wait */
0x008bcf00,
0xf412bbc8,
/* 0x01f6: mmctx_done */
0x87f1fa1b,
0x84b6085c,
0xf094bd06,
0x89d00199,
/* 0x0207: strand_wait */
0xf900f800,
0x02a7f0a0,
0xfcc921f4,
/* 0x0213: strand_pre */
0xf100f8a0,
0xf04afc87,
0x97f00283,
0x0089d00c,
0x020721f5,
/* 0x0226: strand_post */
0x87f100f8,
0x83f04afc,
0x0d97f002,
0xf50089d0,
0xf8020721,
/* 0x0239: strand_set */
0xfca7f100,
0x02a3f04f,
0x0500aba2,
0xd00fc7f0,
0xc7f000ac,
0x00bcd00b,
0x020721f5,
0xf000aed0,
0xbcd00ac7,
0x0721f500,
/* 0x0263: strand_ctx_init */
0xf100f802,
0xb6083c87,
0x94bd0684,
0xd00399f0,
0x21f50089,
0xe7f00213,
0x3921f503,
0xfca7f102,
0x02a3f046,
0x0400aba0,
0xf040a0d0,
0xbcd001c7,
0x0721f500,
0x010c9202,
0xf000acd0,
0xbcd002c7,
0x0721f500,
0x2621f502,
0x8087f102,
0x0684b608,
0xb70089cf,
0x95220080,
/* 0x02ba: ctx_init_strand_loop */
0x8ed008fe,
0x408ed000,
0xb6808acf,
0xa0b606a5,
0x00eabb01,
0xb60480b6,
0x1bf40192,
0x08e4b6e8,
0xf1f2efbc,
0xb6085c87,
0x94bd0684,
0xd00399f0,
0x00f80089,
/* 0x02ec: error */
0xe7f1e0f9,
0xe3f09814,
0x8d21f440,
0x041ce0b7,
0xf401f7f0,
0xe0fc8d21,
/* 0x0306: init */
0x04bd00f8,
0xf10004fe,
0xf0120017,
0x12d00227,
0x3e17f100,
0x0010fe04,
0x040017f1,
0xf0c010d0,
0x12d00427,
0x1031f400,
0x060817f1,
0xcf0614b6,
0x37f00012,
0x1f24f001,
0xb60432bb,
0x02800132,
0x04038003,
0x040010b7,
0x800012cf,
0x27f10002,
0x24b60800,
0x0022cf06,
/* 0x035f: init_find_chipset */
0xb65817f0,
0x13980c10,
0x0432b800,
0xb00b0bf4,
0x1bf40034,
/* 0x0373: init_context */
0xf100f8f1,
0xb6080027,
0x22cf0624,
0xf134bd40,
0xb6070047,
0x25950644,
0x0045d008,
0xbd4045d0,
0x58f4bde4,
0x1f58021e,
0x020e4003,
0xf5040f40,
0xbb013d21,
0x3fbb002f,
0x041e5800,
0x40051f58,
0x0f400a0e,
0x3d21f50c,
0x030e9801,
0xbb00effd,
0x3ebb002e,
0x0040b700,
0x0235b613,
0xb60043d0,
0x35b60825,
0x0120b606,
0xb60130b6,
0x34b60824,
0x022fb908,
0x026321f5,
0xf1003fbb,
0xb6080017,
0x13d00614,
0x0010b740,
0xf024bd08,
0x12d01f29,
/* 0x0401: main */
0x0031f400,
0xf00028f4,
0x21f41cd7,
0xf401f439,
0xf404e4b0,
0x81fe1e18,
0x0627f001,
0x12fd20bd,
0x01e4b604,
0xfe051efd,
0x21f50018,
0x0ef404c3,
/* 0x0431: main_not_ctx_xfer */
0x10ef94d3,
0xf501f5f0,
0xf402ec21,
/* 0x043e: ih */
0x80f9c60e,
0xf90188fe,
0xf990f980,
0xf9b0f9a0,
0xf9e0f9d0,
0x800acff0,
0xf404abc4,
0xb7f11d0b,
0xd7f01900,
0x40becf1c,
0xf400bfcf,
0xb0b70421,
0xe7f00400,
0x00bed001,
/* 0x0474: ih_no_fifo */
0xfc400ad0,
0xfce0fcf0,
0xfcb0fcd0,
0xfc90fca0,
0x0088fe80,
0x32f480fc,
/* 0x048f: hub_barrier_done */
0xf001f800,
0x0e9801f7,
0x04febb00,
0x9418e7f1,
0xf440e3f0,
0x00f88d21,
/* 0x04a4: ctx_redswitch */
0x0614e7f1,
0xf006e4b6,
0xefd020f7,
0x08f7f000,
/* 0x04b4: ctx_redswitch_delay */
0xf401f2b6,
0xf7f1fd1b,
0xefd00a20,
/* 0x04c3: ctx_xfer */
0xf100f800,
0xb60a0417,
0x1fd00614,
0x0711f400,
0x04a421f5,
/* 0x04d4: ctx_xfer_not_load */
0x4afc17f1,
0xf00213f0,
0x12d00c27,
0x0721f500,
0xfc27f102,
0x0223f047,
0xf00020d0,
0x20b6012c,
0x0012d003,
0xf001acf0,
0xb7f002a5,
0x50b3f000,
0xb6000c98,
0xbcbb0fc4,
0x010c9800,
0xf0020d98,
0x21f500e7,
0xacf0015c,
0x04a5f001,
0x4000b7f1,
0x9850b3f0,
0xc4b6000c,
0x00bcbb0f,
0x98050c98,
0x0f98060d,
0x00e7f104,
0x5c21f508,
0x0721f501,
0x0601f402,
/* 0x054b: ctx_xfer_post */
0xf11412f4,
0xf04afc17,
0x27f00213,
0x0012d00d,
0x020721f5,
/* 0x055c: ctx_xfer_done */
0x048f21f5,
0x000000f8,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
};
drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc 0 → 100644
View file @ 1978a2f2
/* fuc microcode for nve0 PGRAPH/HUB
*
* 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
*/
/* To build:
* m4 nve0_grhub.fuc | envyas -a -w -m fuc -V nva3 -o nve0_grhub.fuc.h
*/
.section #nve0_grhub_data
include(`nve0.fuc')
gpc_count: .b32 0
rop_count: .b32 0
cmd_queue: queue_init
hub_mmio_list_head: .b32 0
hub_mmio_list_tail: .b32 0
ctx_current: .b32 0
chipsets:
.b8 0xe4 0 0 0
.b16 #nve4_hub_mmio_head
.b16 #nve4_hub_mmio_tail
.b8 0xe7 0 0 0
.b16 #nve4_hub_mmio_head
.b16 #nve4_hub_mmio_tail
.b8 0 0 0 0
nve4_hub_mmio_head:
mmctx_data(0x17e91c, 2)
mmctx_data(0x400204, 2)
mmctx_data(0x404010, 7)
mmctx_data(0x4040a8, 9)
mmctx_data(0x4040d0, 7)
mmctx_data(0x4040f8, 1)
mmctx_data(0x404130, 3)
mmctx_data(0x404150, 3)
mmctx_data(0x404164, 1)
mmctx_data(0x4041a0, 4)
mmctx_data(0x404200, 4)
mmctx_data(0x404404, 14)
mmctx_data(0x404460, 4)
mmctx_data(0x404480, 1)
mmctx_data(0x404498, 1)
mmctx_data(0x404604, 4)
mmctx_data(0x404618, 4)
mmctx_data(0x40462c, 2)
mmctx_data(0x404640, 1)
mmctx_data(0x404654, 1)
mmctx_data(0x404660, 1)
mmctx_data(0x404678, 19)
mmctx_data(0x4046c8, 3)
mmctx_data(0x404700, 3)
mmctx_data(0x404718, 10)
mmctx_data(0x404744, 2)
mmctx_data(0x404754, 1)
mmctx_data(0x405800, 1)
mmctx_data(0x405830, 3)
mmctx_data(0x405854, 1)
mmctx_data(0x405870, 4)
mmctx_data(0x405a00, 2)
mmctx_data(0x405a18, 1)
mmctx_data(0x405b00, 1)
mmctx_data(0x405b10, 1)
mmctx_data(0x406020, 1)
mmctx_data(0x406028, 4)
mmctx_data(0x4064a8, 2)
mmctx_data(0x4064b4, 2)
mmctx_data(0x4064c0, 12)
mmctx_data(0x4064fc, 1)
mmctx_data(0x407040, 1)
mmctx_data(0x407804, 1)
mmctx_data(0x40780c, 6)
mmctx_data(0x4078bc, 1)
mmctx_data(0x408000, 7)
mmctx_data(0x408064, 1)
mmctx_data(0x408800, 3)
mmctx_data(0x408840, 1)
mmctx_data(0x408900, 3)
mmctx_data(0x408980, 1)
nve4_hub_mmio_tail:
.align 256
chan_data:
chan_mmio_count: .b32 0
chan_mmio_address: .b32 0
.align 256
xfer_data: .b32 0
.section #nve0_grhub_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 0x814
shl b32 $r14 6
iowr I[$r14 + 0x000] $r15 // CC_SCRATCH[5] = error code
mov $r14 0xc1c
shl b32 $r14 6
mov $r15 1
iowr I[$r14 + 0x000] $r15 // INTR_UP_SET
pop $r14
ret
// HUB 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)
//
// Output:
// CC_SCRATCH[0]:
// 31:31: set to signal completion
// CC_SCRATCH[1]:
// 31:0: total PGRAPH context size
//
init:
clear b32 $r0
mov $sp $r0
mov $xdbase $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
// route HUB_CHANNEL_SWITCH to fuc interrupt 8
mov $r3 0x404
shl b32 $r3 6
mov $r2 0x2003 // { HUB_CHANNEL_SWITCH, ZERO } -> intr 8
iowr I[$r3 + 0x000] $r2
// not sure what these are, route them because NVIDIA does, and
// the IRQ handler will signal the host if we ever get one.. we
// may find out if/why we need to handle these if so..
//
mov $r2 0x2004
iowr I[$r3 + 0x004] $r2 // { 0x04, ZERO } -> intr 9
mov $r2 0x200b
iowr I[$r3 + 0x008] $r2 // { 0x0b, ZERO } -> intr 10
mov $r2 0x200c
iowr I[$r3 + 0x01c] $r2 // { 0x0c, ZERO } -> intr 15
// enable all INTR_UP interrupts
mov $r2 0xc24
shl b32 $r2 6
not b32 $r3 $r0
iowr I[$r2] $r3
// enable fifo, ctxsw, 9, 10, 15 interrupts
mov $r2 -0x78fc // 0x8704
sethi $r2 0
iowr I[$r1 + 0x000] $r2 // INTR_EN_SET
// fifo level triggered, rest edge
sub b32 $r1 0x100
mov $r2 4
iowr I[$r1] $r2
// enable interrupts
bset $flags ie0
// fetch enabled GPC/ROP counts
mov $r14 -0x69fc // 0x409604
sethi $r14 0x400000
call #nv_rd32
extr $r1 $r15 16:20
st b32 D[$r0 + #rop_count] $r1
and $r15 0x1f
st b32 D[$r0 + #gpc_count] $r15
// set BAR_REQMASK to GPC mask
mov $r1 1
shl b32 $r1 $r15
sub b32 $r1 1
mov $r2 0x40c
shl b32 $r2 6
iowr I[$r2 + 0x000] $r1
iowr I[$r2 + 0x100] $r1
// find context data for this chipset
mov $r2 0x800
shl b32 $r2 6
iord $r2 I[$r2 + 0x000] // CC_SCRATCH[0]
mov $r15 #chipsets - 8
init_find_chipset:
add b32 $r15 8
ld b32 $r3 D[$r15 + 0x00]
cmpu b32 $r3 $r2
bra e #init_context
cmpu b32 $r3 0
bra ne #init_find_chipset
// unknown chipset
ret
// context size calculation, reserve first 256 bytes for use by fuc
init_context:
mov $r1 256
// calculate size of mmio context data
ld b16 $r14 D[$r15 + 4]
ld b16 $r15 D[$r15 + 6]
sethi $r14 0
st b32 D[$r0 + #hub_mmio_list_head] $r14
st b32 D[$r0 + #hub_mmio_list_tail] $r15
call #mmctx_size
// set mmctx base addresses now so we don't have to do it later,
// they don't (currently) ever change
mov $r3 0x700
shl b32 $r3 6
shr b32 $r4 $r1 8
iowr I[$r3 + 0x000] $r4 // MMCTX_SAVE_SWBASE
iowr I[$r3 + 0x100] $r4 // MMCTX_LOAD_SWBASE
add b32 $r3 0x1300
add b32 $r1 $r15
shr b32 $r15 2
iowr I[$r3 + 0x000] $r15 // MMCTX_LOAD_COUNT, wtf for?!?
// strands, base offset needs to be aligned to 256 bytes
shr b32 $r1 8
add b32 $r1 1
shl b32 $r1 8
mov b32 $r15 $r1
call #strand_ctx_init
add b32 $r1 $r15
// initialise each GPC in sequence by passing in the offset of its
// context data in GPCn_CC_SCRATCH[1], and starting its FUC (which
// has previously been uploaded by the host) running.
//
// the GPC fuc init sequence will set GPCn_CC_SCRATCH[0] bit 31
// when it has completed, and return the size of its context data
// in GPCn_CC_SCRATCH[1]
//
ld b32 $r3 D[$r0 + #gpc_count]
mov $r4 0x2000
sethi $r4 0x500000
init_gpc:
// setup, and start GPC ucode running
add b32 $r14 $r4 0x804
mov b32 $r15 $r1
call #nv_wr32 // CC_SCRATCH[1] = ctx offset
add b32 $r14 $r4 0x800
mov b32 $r15 $r2
call #nv_wr32 // CC_SCRATCH[0] = chipset
add b32 $r14 $r4 0x10c
clear b32 $r15
call #nv_wr32
add b32 $r14 $r4 0x104
call #nv_wr32 // ENTRY
add b32 $r14 $r4 0x100
mov $r15 2 // CTRL_START_TRIGGER
call #nv_wr32 // CTRL
// wait for it to complete, and adjust context size
add b32 $r14 $r4 0x800
init_gpc_wait:
call #nv_rd32
xbit $r15 $r15 31
bra e #init_gpc_wait
add b32 $r14 $r4 0x804
call #nv_rd32
add b32 $r1 $r15
// next!
add b32 $r4 0x8000
sub b32 $r3 1
bra ne #init_gpc
// save context size, and tell host we're ready
mov $r2 0x800
shl b32 $r2 6
iowr I[$r2 + 0x100] $r1 // CC_SCRATCH[1] = context size
add b32 $r2 0x800
clear b32 $r1
bset $r1 31
iowr I[$r2 + 0x000] $r1 // 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:
// sleep until we have something to do
bset $flags $p0
sleep $p0
mov $r13 #cmd_queue
call #queue_get
bra $p1 #main
// context switch, requested by GPU?
cmpu b32 $r14 0x4001
bra ne #main_not_ctx_switch
trace_set(T_AUTO)
mov $r1 0xb00
shl b32 $r1 6
iord $r2 I[$r1 + 0x100] // CHAN_NEXT
iord $r1 I[$r1 + 0x000] // CHAN_CUR
xbit $r3 $r1 31
bra e #chsw_no_prev
xbit $r3 $r2 31
bra e #chsw_prev_no_next
push $r2
mov b32 $r2 $r1
trace_set(T_SAVE)
bclr $flags $p1
bset $flags $p2
call #ctx_xfer
trace_clr(T_SAVE);
pop $r2
trace_set(T_LOAD);
bset $flags $p1
call #ctx_xfer
trace_clr(T_LOAD);
bra #chsw_done
chsw_prev_no_next:
push $r2
mov b32 $r2 $r1
bclr $flags $p1
bclr $flags $p2
call #ctx_xfer
pop $r2
mov $r1 0xb00
shl b32 $r1 6
iowr I[$r1] $r2
bra #chsw_done
chsw_no_prev:
xbit $r3 $r2 31
bra e #chsw_done
bset $flags $p1
bclr $flags $p2
call #ctx_xfer
// ack the context switch request
chsw_done:
mov $r1 0xb0c
shl b32 $r1 6
mov $r2 1
iowr I[$r1 + 0x000] $r2 // 0x409b0c
trace_clr(T_AUTO)
bra #main
// request to set current channel? (*not* a context switch)
main_not_ctx_switch:
cmpu b32 $r14 0x0001
bra ne #main_not_ctx_chan
mov b32 $r2 $r15
call #ctx_chan
bra #main_done
// request to store current channel context?
main_not_ctx_chan:
cmpu b32 $r14 0x0002
bra ne #main_not_ctx_save
trace_set(T_SAVE)
bclr $flags $p1
bclr $flags $p2
call #ctx_xfer
trace_clr(T_SAVE)
bra #main_done
main_not_ctx_save:
shl b32 $r15 $r14 16
or $r15 E_BAD_COMMAND
call #error
bra #main
main_done:
mov $r1 0x820
shl b32 $r1 6
clear b32 $r2
bset $r2 31
iowr I[$r1 + 0x000] $r2 // CC_SCRATCH[0] |= 0x80000000
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
// context switch request?
ih_no_fifo:
and $r11 $r10 0x00000100
bra e #ih_no_ctxsw
// enqueue a context switch for later processing
mov $r13 #cmd_queue
mov $r14 0x4001
call #queue_put
// anything we didn't handle, bring it to the host's attention
ih_no_ctxsw:
mov $r11 0x104
not b32 $r11
and $r11 $r10 $r11
bra e #ih_no_other
mov $r10 0xc1c
shl b32 $r10 6
iowr I[$r10] $r11 // INTR_UP_SET
// ack, and wake up main()
ih_no_other:
iowr I[$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
// Not real sure, but, MEM_CMD 7 will hang forever if this isn't done
ctx_4160s:
mov $r14 0x4160
sethi $r14 0x400000
mov $r15 1
call #nv_wr32
ctx_4160s_wait:
call #nv_rd32
xbit $r15 $r15 4
bra e #ctx_4160s_wait
ret
// Without clearing again at end of xfer, some things cause PGRAPH
// to hang with STATUS=0x00000007 until it's cleared.. fbcon can
// still function with it set however...
ctx_4160c:
mov $r14 0x4160
sethi $r14 0x400000
clear b32 $r15
call #nv_wr32
ret
// Again, not real sure
//
// In: $r15 value to set 0x404170 to
//
ctx_4170s:
mov $r14 0x4170
sethi $r14 0x400000
or $r15 0x10
call #nv_wr32
ret
// Waits for a ctx_4170s() call to complete
//
ctx_4170w:
mov $r14 0x4170
sethi $r14 0x400000
call #nv_rd32
and $r15 0x10
bra ne #ctx_4170w
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 $r15 0x270
iowr I[$r14] $r15 // HUB_RED_SWITCH = ENABLE_GPC, POWER_ALL
mov $r15 8
ctx_redswitch_delay:
sub b32 $r15 1
bra ne #ctx_redswitch_delay
mov $r15 0x770
iowr I[$r14] $r15 // HUB_RED_SWITCH = ENABLE_ALL, POWER_ALL
ret
// Not a clue what this is for, except that unless the value is 0x10, the
// strand context is saved (and presumably restored) incorrectly..
//
// In: $r15 value to set to (0x00/0x10 are used)
//
ctx_86c:
mov $r14 0x86c
shl b32 $r14 6
iowr I[$r14] $r15 // HUB(0x86c) = val
mov $r14 -0x75ec
sethi $r14 0x400000
call #nv_wr32 // ROP(0xa14) = val
mov $r14 -0x5794
sethi $r14 0x410000
call #nv_wr32 // GPC(0x86c) = val
ret
// ctx_load - load's a channel's ctxctl data, and selects its vm
//
// In: $r2 channel address
//
ctx_load:
trace_set(T_CHAN)
// switch to channel, somewhat magic in parts..
mov $r10 12 // DONE_UNK12
call #wait_donez
mov $r1 0xa24
shl b32 $r1 6
iowr I[$r1 + 0x000] $r0 // 0x409a24
mov $r3 0xb00
shl b32 $r3 6
iowr I[$r3 + 0x100] $r2 // CHAN_NEXT
mov $r1 0xa0c
shl b32 $r1 6
mov $r4 7
iowr I[$r1 + 0x000] $r2 // MEM_CHAN
iowr I[$r1 + 0x100] $r4 // MEM_CMD
ctx_chan_wait_0:
iord $r4 I[$r1 + 0x100]
and $r4 0x1f
bra ne #ctx_chan_wait_0
iowr I[$r3 + 0x000] $r2 // CHAN_CUR
// load channel header, fetch PGRAPH context pointer
mov $xtargets $r0
bclr $r2 31
shl b32 $r2 4
add b32 $r2 2
trace_set(T_LCHAN)
mov $r1 0xa04
shl b32 $r1 6
iowr I[$r1 + 0x000] $r2 // MEM_BASE
mov $r1 0xa20
shl b32 $r1 6
mov $r2 0x0002
sethi $r2 0x80000000
iowr I[$r1 + 0x000] $r2 // MEM_TARGET = vram
mov $r1 0x10 // chan + 0x0210
mov $r2 #xfer_data
sethi $r2 0x00020000 // 16 bytes
xdld $r1 $r2
xdwait
trace_clr(T_LCHAN)
// update current context
ld b32 $r1 D[$r0 + #xfer_data + 4]
shl b32 $r1 24
ld b32 $r2 D[$r0 + #xfer_data + 0]
shr b32 $r2 8
or $r1 $r2
st b32 D[$r0 + #ctx_current] $r1
// set transfer base to start of context, and fetch context header
trace_set(T_LCTXH)
mov $r2 0xa04
shl b32 $r2 6
iowr I[$r2 + 0x000] $r1 // MEM_BASE
mov $r2 1
mov $r1 0xa20
shl b32 $r1 6
iowr I[$r1 + 0x000] $r2 // MEM_TARGET = vm
mov $r1 #chan_data
sethi $r1 0x00060000 // 256 bytes
xdld $r0 $r1
xdwait
trace_clr(T_LCTXH)
trace_clr(T_CHAN)
ret
// ctx_chan - handler for HUB_SET_CHAN command, will set a channel as
// the active channel for ctxctl, but not actually transfer
// any context data. intended for use only during initial
// context construction.
//
// In: $r2 channel address
//
ctx_chan:
call #ctx_4160s
call #ctx_load
mov $r10 12 // DONE_UNK12
call #wait_donez
mov $r1 0xa10
shl b32 $r1 6
mov $r2 5
iowr I[$r1 + 0x000] $r2 // MEM_CMD = 5 (???)
ctx_chan_wait:
iord $r2 I[$r1 + 0x000]
or $r2 $r2
bra ne #ctx_chan_wait
call #ctx_4160c
ret
// Execute per-context state overrides list
//
// Only executed on the first load of a channel. Might want to look into
// removing this and having the host directly modify the channel's context
// to change this state... The nouveau DRM already builds this list as
// it's definitely needed for NVIDIA's, so we may as well use it for now
//
// Input: $r1 mmio list length
//
ctx_mmio_exec:
// set transfer base to be the mmio list
ld b32 $r3 D[$r0 + #chan_mmio_address]
mov $r2 0xa04
shl b32 $r2 6
iowr I[$r2 + 0x000] $r3 // MEM_BASE
clear b32 $r3
ctx_mmio_loop:
// fetch next 256 bytes of mmio list if necessary
and $r4 $r3 0xff
bra ne #ctx_mmio_pull
mov $r5 #xfer_data
sethi $r5 0x00060000 // 256 bytes
xdld $r3 $r5
xdwait
// execute a single list entry
ctx_mmio_pull:
ld b32 $r14 D[$r4 + #xfer_data + 0x00]
ld b32 $r15 D[$r4 + #xfer_data + 0x04]
call #nv_wr32
// next!
add b32 $r3 8
sub b32 $r1 1
bra ne #ctx_mmio_loop
// set transfer base back to the current context
ctx_mmio_done:
ld b32 $r3 D[$r0 + #ctx_current]
iowr I[$r2 + 0x000] $r3 // MEM_BASE
// disable the mmio list now, we don't need/want to execute it again
st b32 D[$r0 + #chan_mmio_count] $r0
mov $r1 #chan_data
sethi $r1 0x00060000 // 256 bytes
xdst $r0 $r1
xdwait
ret
// Transfer HUB context data between GPU and storage area
//
// In: $r2 channel 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:
bra not $p1 #ctx_xfer_pre
bra $p2 #ctx_xfer_pre_load
ctx_xfer_pre:
mov $r15 0x10
call #ctx_86c
call #ctx_4160s
bra not $p1 #ctx_xfer_exec
ctx_xfer_pre_load:
mov $r15 2
call #ctx_4170s
call #ctx_4170w
call #ctx_redswitch
clear b32 $r15
call #ctx_4170s
call #ctx_load
// fetch context pointer, and initiate xfer on all GPCs
ctx_xfer_exec:
ld b32 $r1 D[$r0 + #ctx_current]
mov $r2 0x414
shl b32 $r2 6
iowr I[$r2 + 0x000] $r0 // BAR_STATUS = reset
mov $r14 -0x5b00
sethi $r14 0x410000
mov b32 $r15 $r1
call #nv_wr32 // GPC_BCAST_WRCMD_DATA = ctx pointer
add b32 $r14 4
xbit $r15 $flags $p1
xbit $r2 $flags $p2
shl b32 $r2 1
or $r15 $r2
call #nv_wr32 // GPC_BCAST_WRCMD_CMD = GPC_XFER(type)
// 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 6 // first, last
mov $r11 0 // base = 0
ld b32 $r12 D[$r0 + #hub_mmio_list_head]
ld b32 $r13 D[$r0 + #hub_mmio_list_tail]
mov $r14 0 // not multi
call #mmctx_xfer
// wait for GPCs to all complete
mov $r10 8 // DONE_BAR
call #wait_doneo
// wait for strand xfer to complete
call #strand_wait
// post-op
bra $p1 #ctx_xfer_post
mov $r10 12 // DONE_UNK12
call #wait_donez
mov $r1 0xa10
shl b32 $r1 6
mov $r2 5
iowr I[$r1] $r2 // MEM_CMD
ctx_xfer_post_save_wait:
iord $r2 I[$r1]
or $r2 $r2
bra ne #ctx_xfer_post_save_wait
bra $p2 #ctx_xfer_done
ctx_xfer_post:
mov $r15 2
call #ctx_4170s
clear b32 $r15
call #ctx_86c
call #strand_post
call #ctx_4170w
clear b32 $r15
call #ctx_4170s
bra not $p1 #ctx_xfer_no_post_mmio
ld b32 $r1 D[$r0 + #chan_mmio_count]
or $r1 $r1
bra e #ctx_xfer_no_post_mmio
call #ctx_mmio_exec
ctx_xfer_no_post_mmio:
call #ctx_4160c
ctx_xfer_done:
ret
.align 256
drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc.h 0 → 100644
View file @ 1978a2f2
uint32_t nve0_grhub_data[] = {
/* 0x0000: gpc_count */
0x00000000,
/* 0x0004: rop_count */
0x00000000,
/* 0x0008: cmd_queue */
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
/* 0x0050: hub_mmio_list_head */
0x00000000,
/* 0x0054: hub_mmio_list_tail */
0x00000000,
/* 0x0058: ctx_current */
0x00000000,
/* 0x005c: chipsets */
0x000000e4,
0x013c0070,
0x000000e7,
0x013c0070,
0x00000000,
/* 0x0070: nve4_hub_mmio_head */
0x0417e91c,
0x04400204,
0x18404010,
0x204040a8,
0x184040d0,
0x004040f8,
0x08404130,
0x08404150,
0x00404164,
0x0c4041a0,
0x0c404200,
0x34404404,
0x0c404460,
0x00404480,
0x00404498,
0x0c404604,
0x0c404618,
0x0440462c,
0x00404640,
0x00404654,
0x00404660,
0x48404678,
0x084046c8,
0x08404700,
0x24404718,
0x04404744,
0x00404754,
0x00405800,
0x08405830,
0x00405854,
0x0c405870,
0x04405a00,
0x00405a18,
0x00405b00,
0x00405b10,
0x00406020,
0x0c406028,
0x044064a8,
0x044064b4,
0x2c4064c0,
0x004064fc,
0x00407040,
0x00407804,
0x1440780c,
0x004078bc,
0x18408000,
0x00408064,
0x08408800,
0x00408840,
0x08408900,
0x00408980,
/* 0x013c: nve4_hub_mmio_tail */
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
/* 0x0200: chan_data */
/* 0x0200: chan_mmio_count */
0x00000000,
/* 0x0204: chan_mmio_address */
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
/* 0x0300: xfer_data */
0x00000000,
};
uint32_t nve0_grhub_code[] = {
0x03090ef5,
/* 0x0004: queue_put */
0x9800d898,
0x86f001d9,
0x0489b808,
0xf00c1bf4,
0x21f502f7,
0x00f802ec,
/* 0x001c: queue_put_next */
0xb60798c4,
0x8dbb0384,
0x0880b600,
0x80008e80,
0x90b6018f,
0x0f94f001,
0xf801d980,
/* 0x0039: queue_get */
0x0131f400,
0x9800d898,
0x89b801d9,
0x210bf404,
0xb60789c4,
0x9dbb0394,
0x0890b600,
0x98009e98,
0x80b6019f,
0x0f84f001,
0xf400d880,
/* 0x0066: queue_get_done */
0x00f80132,
/* 0x0068: nv_rd32 */
0x0728b7f1,
0xb906b4b6,
0xc9f002ec,
0x00bcd01f,
/* 0x0078: nv_rd32_wait */
0xc800bccf,
0x1bf41fcc,
0x06a7f0fa,
0x010321f5,
0xf840bfcf,
/* 0x008d: nv_wr32 */
0x28b7f100,
0x06b4b607,
0xb980bfd0,
0xc9f002ec,
0x1ec9f01f,
/* 0x00a3: nv_wr32_wait */
0xcf00bcd0,
0xccc800bc,
0xfa1bf41f,
/* 0x00ae: watchdog_reset */
0x87f100f8,
0x84b60430,
0x1ff9f006,
0xf8008fd0,
/* 0x00bd: watchdog_clear */
0x3087f100,
0x0684b604,
0xf80080d0,
/* 0x00c9: wait_donez */
0x3c87f100,
0x0684b608,
0x99f094bd,
0x0089d000,
0x081887f1,
0xd00684b6,
/* 0x00e2: wait_done_wait_donez */
0x87f1008a,
0x84b60400,
0x0088cf06,
0xf4888aff,
0x87f1f31b,
0x84b6085c,
0xf094bd06,
0x89d00099,
/* 0x0103: wait_doneo */
0xf100f800,
0xb6083c87,
0x94bd0684,
0xd00099f0,
0x87f10089,
0x84b60818,
0x008ad006,
/* 0x011c: wait_done_wait_doneo */
0x040087f1,
0xcf0684b6,
0x8aff0088,
0xf30bf488,
0x085c87f1,
0xbd0684b6,
0x0099f094,
0xf80089d0,
/* 0x013d: mmctx_size */
/* 0x013f: nv_mmctx_size_loop */
0x9894bd00,
0x85b600e8,
0x0180b61a,
0xbb0284b6,
0xe0b60098,
0x04efb804,
0xb9eb1bf4,
0x00f8029f,
/* 0x015c: mmctx_xfer */
0x083c87f1,
0xbd0684b6,
0x0199f094,
0xf10089d0,
0xb6071087,
0x94bd0684,
0xf405bbfd,
0x8bd0090b,
0x0099f000,
/* 0x0180: mmctx_base_disabled */
0xf405eefd,
0x8ed00c0b,
0xc08fd080,
/* 0x018f: mmctx_multi_disabled */
0xb70199f0,
0xc8010080,
0xb4b600ab,
0x0cb9f010,
0xb601aec8,
0xbefd11e4,
0x008bd005,
/* 0x01a8: mmctx_exec_loop */
/* 0x01a8: mmctx_wait_free */
0xf0008ecf,
0x0bf41fe4,
0x00ce98fa,
0xd005e9fd,
0xc0b6c08e,
0x04cdb804,
0xc8e81bf4,
0x1bf402ab,
/* 0x01c9: mmctx_fini_wait */
0x008bcf18,
0xb01fb4f0,
0x1bf410b4,
0x02a7f0f7,
0xf4c921f4,
/* 0x01de: mmctx_stop */
0xabc81b0e,
0x10b4b600,
0xf00cb9f0,
0x8bd012b9,
/* 0x01ed: mmctx_stop_wait */
0x008bcf00,
0xf412bbc8,
/* 0x01f6: mmctx_done */
0x87f1fa1b,
0x84b6085c,
0xf094bd06,
0x89d00199,
/* 0x0207: strand_wait */
0xf900f800,
0x02a7f0a0,
0xfcc921f4,
/* 0x0213: strand_pre */
0xf100f8a0,
0xf04afc87,
0x97f00283,
0x0089d00c,
0x020721f5,
/* 0x0226: strand_post */
0x87f100f8,
0x83f04afc,
0x0d97f002,
0xf50089d0,
0xf8020721,
/* 0x0239: strand_set */
0xfca7f100,
0x02a3f04f,
0x0500aba2,
0xd00fc7f0,
0xc7f000ac,
0x00bcd00b,
0x020721f5,
0xf000aed0,
0xbcd00ac7,
0x0721f500,
/* 0x0263: strand_ctx_init */
0xf100f802,
0xb6083c87,
0x94bd0684,
0xd00399f0,
0x21f50089,
0xe7f00213,
0x3921f503,
0xfca7f102,
0x02a3f046,
0x0400aba0,
0xf040a0d0,
0xbcd001c7,
0x0721f500,
0x010c9202,
0xf000acd0,
0xbcd002c7,
0x0721f500,
0x2621f502,
0x8087f102,
0x0684b608,
0xb70089cf,
0x95220080,
/* 0x02ba: ctx_init_strand_loop */
0x8ed008fe,
0x408ed000,
0xb6808acf,
0xa0b606a5,
0x00eabb01,
0xb60480b6,
0x1bf40192,
0x08e4b6e8,
0xf1f2efbc,
0xb6085c87,
0x94bd0684,
0xd00399f0,
0x00f80089,
/* 0x02ec: error */
0xe7f1e0f9,
0xe4b60814,
0x00efd006,
0x0c1ce7f1,
0xf006e4b6,
0xefd001f7,
0xf8e0fc00,
/* 0x0309: init */
0xfe04bd00,
0x07fe0004,
0x0017f100,
0x0227f012,
0xf10012d0,
0xfe05b917,
0x17f10010,
0x10d00400,
0x0437f1c0,
0x0634b604,
0x200327f1,
0xf10032d0,
0xd0200427,
0x27f10132,
0x32d0200b,
0x0c27f102,
0x0732d020,
0x0c2427f1,
0xb90624b6,
0x23d00003,
0x0427f100,
0x0023f087,
0xb70012d0,
0xf0010012,
0x12d00427,
0x1031f400,
0x9604e7f1,
0xf440e3f0,
0xf1c76821,
0x01018090,
0x801ff4f0,
0x17f0000f,
0x041fbb01,
0xf10112b6,
0xb6040c27,
0x21d00624,
0x4021d000,
0x080027f1,
0xcf0624b6,
0xf7f00022,
/* 0x03a9: init_find_chipset */
0x08f0b654,
0xb800f398,
0x0bf40432,
0x0034b00b,
0xf8f11bf4,
/* 0x03bd: init_context */
0x0017f100,
0x02fe5801,
0xf003ff58,
0x0e8000e3,
0x150f8014,
0x013d21f5,
0x070037f1,
0x950634b6,
0x34d00814,
0x4034d000,
0x130030b7,
0xb6001fbb,
0x3fd002f5,
0x0815b600,
0xb60110b6,
0x1fb90814,
0x6321f502,
0x001fbb02,
0xf1000398,
0xf0200047,
/* 0x040e: init_gpc */
0x4ea05043,
0x1fb90804,
0x8d21f402,
0x08004ea0,
0xf4022fb9,
0x4ea08d21,
0xf4bd010c,
0xa08d21f4,
0xf401044e,
0x4ea08d21,
0xf7f00100,
0x8d21f402,
0x08004ea0,
/* 0x0440: init_gpc_wait */
0xc86821f4,
0x0bf41fff,
0x044ea0fa,
0x6821f408,
0xb7001fbb,
0xb6800040,
0x1bf40132,
0x0027f1b4,
0x0624b608,
0xb74021d0,
0xbd080020,
0x1f19f014,
/* 0x0473: main */
0xf40021d0,
0x28f40031,
0x08d7f000,
0xf43921f4,
0xe4b1f401,
0x1bf54001,
0x87f100d1,
0x84b6083c,
0xf094bd06,
0x89d00499,
0x0017f100,
0x0614b60b,
0xcf4012cf,
0x13c80011,
0x7e0bf41f,
0xf41f23c8,
0x20f95a0b,
0xf10212b9,
0xb6083c87,
0x94bd0684,
0xd00799f0,
0x32f40089,
0x0231f401,
0x082921f5,
0x085c87f1,
0xbd0684b6,
0x0799f094,
0xfc0089d0,
0x3c87f120,
0x0684b608,
0x99f094bd,
0x0089d006,
0xf50131f4,
0xf1082921,
0xb6085c87,
0x94bd0684,
0xd00699f0,
0x0ef40089,
/* 0x0509: chsw_prev_no_next */
0xb920f931,
0x32f40212,
0x0232f401,
0x082921f5,
0x17f120fc,
0x14b60b00,
0x0012d006,
/* 0x0527: chsw_no_prev */
0xc8130ef4,
0x0bf41f23,
0x0131f40d,
0xf50232f4,
/* 0x0537: chsw_done */
0xf1082921,
0xb60b0c17,
0x27f00614,
0x0012d001,
0x085c87f1,
0xbd0684b6,
0x0499f094,
0xf50089d0,
/* 0x0557: main_not_ctx_switch */
0xb0ff200e,
0x1bf401e4,
0x02f2b90d,
0x07b521f5,
/* 0x0567: main_not_ctx_chan */
0xb0420ef4,
0x1bf402e4,
0x3c87f12e,
0x0684b608,
0x99f094bd,
0x0089d007,
0xf40132f4,
0x21f50232,
0x87f10829,
0x84b6085c,
0xf094bd06,
0x89d00799,
0x110ef400,
/* 0x0598: main_not_ctx_save */
0xf010ef94,
0x21f501f5,
0x0ef502ec,
/* 0x05a6: main_done */
0x17f1fed1,
0x14b60820,
0xf024bd06,
0x12d01f29,
0xbe0ef500,
/* 0x05b9: ih */
0xfe80f9fe,
0x80f90188,
0xa0f990f9,
0xd0f9b0f9,
0xf0f9e0f9,
0xc4800acf,
0x0bf404ab,
0x00b7f11d,
0x08d7f019,
0xcf40becf,
0x21f400bf,
0x00b0b704,
0x01e7f004,
/* 0x05ef: ih_no_fifo */
0xe400bed0,
0xf40100ab,
0xd7f00d0b,
0x01e7f108,
0x0421f440,
/* 0x0600: ih_no_ctxsw */
0x0104b7f1,
0xabffb0bd,
0x0d0bf4b4,
0x0c1ca7f1,
0xd006a4b6,
/* 0x0616: ih_no_other */
0x0ad000ab,
0xfcf0fc40,
0xfcd0fce0,
0xfca0fcb0,
0xfe80fc90,
0x80fc0088,
0xf80032f4,
/* 0x0631: ctx_4160s */
0x60e7f101,
0x40e3f041,
0xf401f7f0,
/* 0x063e: ctx_4160s_wait */
0x21f48d21,
0x04ffc868,
0xf8fa0bf4,
/* 0x0649: ctx_4160c */
0x60e7f100,
0x40e3f041,
0x21f4f4bd,
/* 0x0657: ctx_4170s */
0xf100f88d,
0xf04170e7,
0xf5f040e3,
0x8d21f410,
/* 0x0666: ctx_4170w */
0xe7f100f8,
0xe3f04170,
0x6821f440,
0xf410f4f0,
0x00f8f31b,
/* 0x0678: ctx_redswitch */
0x0614e7f1,
0xf106e4b6,
0xd00270f7,
0xf7f000ef,
/* 0x0689: ctx_redswitch_delay */
0x01f2b608,
0xf1fd1bf4,
0xd00770f7,
0x00f800ef,
/* 0x0698: ctx_86c */
0x086ce7f1,
0xd006e4b6,
0xe7f100ef,
0xe3f08a14,
0x8d21f440,
0xa86ce7f1,
0xf441e3f0,
0x00f88d21,
/* 0x06b8: ctx_load */
0x083c87f1,
0xbd0684b6,
0x0599f094,
0xf00089d0,
0x21f40ca7,
0x2417f1c9,
0x0614b60a,
0xf10010d0,
0xb60b0037,
0x32d00634,
0x0c17f140,
0x0614b60a,
0xd00747f0,
0x14d00012,
/* 0x06f1: ctx_chan_wait_0 */
0x4014cf40,
0xf41f44f0,
0x32d0fa1b,
0x000bfe00,
0xb61f2af0,
0x20b60424,
0x3c87f102,
0x0684b608,
0x99f094bd,
0x0089d008,
0x0a0417f1,
0xd00614b6,
0x17f10012,
0x14b60a20,
0x0227f006,
0x800023f1,
0xf00012d0,
0x27f11017,
0x23f00300,
0x0512fa02,
0x87f103f8,
0x84b6085c,
0xf094bd06,
0x89d00899,
0xc1019800,
0x981814b6,
0x25b6c002,
0x0512fd08,
0xf1160180,
0xb6083c87,
0x94bd0684,
0xd00999f0,
0x27f10089,
0x24b60a04,
0x0021d006,
0xf10127f0,
0xb60a2017,
0x12d00614,
0x0017f100,
0x0613f002,
0xf80501fa,
0x5c87f103,
0x0684b608,
0x99f094bd,
0x0089d009,
0x085c87f1,
0xbd0684b6,
0x0599f094,
0xf80089d0,
/* 0x07b5: ctx_chan */
0x3121f500,
0xb821f506,
0x0ca7f006,
0xf1c921f4,
0xb60a1017,
0x27f00614,
0x0012d005,
/* 0x07d0: ctx_chan_wait */
0xfd0012cf,
0x1bf40522,
0x4921f5fa,
/* 0x07df: ctx_mmio_exec */
0x9800f806,
0x27f18103,
0x24b60a04,
0x0023d006,
/* 0x07ee: ctx_mmio_loop */
0x34c434bd,
0x0f1bf4ff,
0x030057f1,
0xfa0653f0,
0x03f80535,
/* 0x0800: ctx_mmio_pull */
0x98c04e98,
0x21f4c14f,
0x0830b68d,
0xf40112b6,
/* 0x0812: ctx_mmio_done */
0x0398df1b,
0x0023d016,
0xf1800080,
0xf0020017,
0x01fa0613,
0xf803f806,
/* 0x0829: ctx_xfer */
0x0611f400,
/* 0x082f: ctx_xfer_pre */
0xf01102f4,
0x21f510f7,
0x21f50698,
0x11f40631,
/* 0x083d: ctx_xfer_pre_load */
0x02f7f01c,
0x065721f5,
0x066621f5,
0x067821f5,
0x21f5f4bd,
0x21f50657,
/* 0x0856: ctx_xfer_exec */
0x019806b8,
0x1427f116,
0x0624b604,
0xf10020d0,
0xf0a500e7,
0x1fb941e3,
0x8d21f402,
0xf004e0b6,
0x2cf001fc,
0x0124b602,
0xf405f2fd,
0x17f18d21,
0x13f04afc,
0x0c27f002,
0xf50012d0,
0xf1020721,
0xf047fc27,
0x20d00223,
0x012cf000,
0xd00320b6,
0xacf00012,
0x06a5f001,
0x9800b7f0,
0x0d98140c,
0x00e7f015,
0x015c21f5,
0xf508a7f0,
0xf5010321,
0xf4020721,
0xa7f02201,
0xc921f40c,
0x0a1017f1,
0xf00614b6,
0x12d00527,
/* 0x08dd: ctx_xfer_post_save_wait */
0x0012cf00,
0xf40522fd,
0x02f4fa1b,
/* 0x08e9: ctx_xfer_post */
0x02f7f032,
0x065721f5,
0x21f5f4bd,
0x21f50698,
0x21f50226,
0xf4bd0666,
0x065721f5,
0x981011f4,
0x11fd8001,
0x070bf405,
0x07df21f5,
/* 0x0914: ctx_xfer_no_post_mmio */
0x064921f5,
/* 0x0918: ctx_xfer_done */
0x000000f8,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
};
drivers/gpu/drm/nouveau/core/engine/graph/fuc/nve0.fuc 0 → 100644
View file @ 1978a2f2
/* 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/nve0.c
View file @ 1978a2f2
...@@ -23,6 +23,8 @@ ...@@ -23,6 +23,8 @@
*/ */
#include "nvc0.h" #include "nvc0.h"
#include "fuc/hubnve0.fuc.h"
#include "fuc/gpcnve0.fuc.h"
/******************************************************************************* /*******************************************************************************
* Graphics object classes * Graphics object classes
...@@ -197,6 +199,7 @@ nve0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine, ...@@ -197,6 +199,7 @@ nve0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size, struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject) struct nouveau_object **pobject)
{ {
struct nouveau_device *device = nv_device(parent);
struct nvc0_graph_priv *priv; struct nvc0_graph_priv *priv;
int ret, i; int ret, i;
...@@ -210,13 +213,15 @@ nve0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine, ...@@ -210,13 +213,15 @@ nve0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
nv_engine(priv)->cclass = &nve0_graph_cclass; nv_engine(priv)->cclass = &nve0_graph_cclass;
nv_engine(priv)->sclass = nve0_graph_sclass; nv_engine(priv)->sclass = nve0_graph_sclass;
nv_info(priv, "using external firmware\n"); if (nouveau_boolopt(device->cfgopt, "NvGrUseFW", true)) {
if (nvc0_graph_ctor_fw(priv, "fuc409c", &priv->fuc409c) || nv_info(priv, "using external firmware\n");
nvc0_graph_ctor_fw(priv, "fuc409d", &priv->fuc409d) || if (nvc0_graph_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
nvc0_graph_ctor_fw(priv, "fuc41ac", &priv->fuc41ac) || nvc0_graph_ctor_fw(priv, "fuc409d", &priv->fuc409d) ||
nvc0_graph_ctor_fw(priv, "fuc41ad", &priv->fuc41ad)) nvc0_graph_ctor_fw(priv, "fuc41ac", &priv->fuc41ac) ||
return -EINVAL; nvc0_graph_ctor_fw(priv, "fuc41ad", &priv->fuc41ad))
priv->firmware = true; return -EINVAL;
priv->firmware = true;
}
ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b4); ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b4);
if (ret) if (ret)
...@@ -386,81 +391,131 @@ static int ...@@ -386,81 +391,131 @@ static int
nve0_graph_init_ctxctl(struct nvc0_graph_priv *priv) nve0_graph_init_ctxctl(struct nvc0_graph_priv *priv)
{ {
u32 r000260; u32 r000260;
int i;
/* load fuc microcode */ if (priv->firmware) {
r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000); /* load fuc microcode */
nvc0_graph_init_fw(priv, 0x409000, &priv->fuc409c, &priv->fuc409d); r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
nvc0_graph_init_fw(priv, 0x41a000, &priv->fuc41ac, &priv->fuc41ad); nvc0_graph_init_fw(priv, 0x409000, &priv->fuc409c, &priv->fuc409d);
nv_wr32(priv, 0x000260, r000260); nvc0_graph_init_fw(priv, 0x41a000, &priv->fuc41ac, &priv->fuc41ad);
nv_wr32(priv, 0x000260, r000260);
/* start both of them running */
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x41a10c, 0x00000000);
nv_wr32(priv, 0x40910c, 0x00000000);
nv_wr32(priv, 0x41a100, 0x00000002);
nv_wr32(priv, 0x409100, 0x00000002);
if (!nv_wait(priv, 0x409800, 0x00000001, 0x00000001))
nv_error(priv, "0x409800 wait failed\n");
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x7fffffff);
nv_wr32(priv, 0x409504, 0x00000021);
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000010);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x10 timeout\n");
return -EBUSY;
}
priv->size = nv_rd32(priv, 0x409800);
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000016);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x16 timeout\n");
return -EBUSY;
}
/* start both of them running */ nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409840, 0xffffffff); nv_wr32(priv, 0x409500, 0x00000000);
nv_wr32(priv, 0x41a10c, 0x00000000); nv_wr32(priv, 0x409504, 0x00000025);
nv_wr32(priv, 0x40910c, 0x00000000); if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_wr32(priv, 0x41a100, 0x00000002); nv_error(priv, "fuc09 req 0x25 timeout\n");
nv_wr32(priv, 0x409100, 0x00000002); return -EBUSY;
if (!nv_wait(priv, 0x409800, 0x00000001, 0x00000001)) }
nv_error(priv, "0x409800 wait failed\n");
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x7fffffff);
nv_wr32(priv, 0x409504, 0x00000021);
nv_wr32(priv, 0x409840, 0xffffffff);
nv_wr32(priv, 0x409500, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000010);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x10 timeout\n");
return -EBUSY;
}
priv->size = nv_rd32(priv, 0x409800);
nv_wr32(priv, 0x409840, 0xffffffff); nv_wr32(priv, 0x409800, 0x00000000);
nv_wr32(priv, 0x409500, 0x00000000); nv_wr32(priv, 0x409500, 0x00000001);
nv_wr32(priv, 0x409504, 0x00000016); nv_wr32(priv, 0x409504, 0x00000030);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) { if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x16 timeout\n"); nv_error(priv, "fuc09 req 0x30 timeout\n");
return -EBUSY; return -EBUSY;
} }
nv_wr32(priv, 0x409840, 0xffffffff); nv_wr32(priv, 0x409810, 0xb00095c8);
nv_wr32(priv, 0x409500, 0x00000000); nv_wr32(priv, 0x409800, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000025); nv_wr32(priv, 0x409500, 0x00000001);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) { nv_wr32(priv, 0x409504, 0x00000031);
nv_error(priv, "fuc09 req 0x25 timeout\n"); if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
return -EBUSY; nv_error(priv, "fuc09 req 0x31 timeout\n");
return -EBUSY;
}
nv_wr32(priv, 0x409810, 0x00080420);
nv_wr32(priv, 0x409800, 0x00000000);
nv_wr32(priv, 0x409500, 0x00000001);
nv_wr32(priv, 0x409504, 0x00000032);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x32 timeout\n");
return -EBUSY;
}
nv_wr32(priv, 0x409614, 0x00000070);
nv_wr32(priv, 0x409614, 0x00000770);
nv_wr32(priv, 0x40802c, 0x00000001);
if (priv->data == NULL) {
int ret = nve0_grctx_generate(priv);
if (ret) {
nv_error(priv, "failed to construct context\n");
return ret;
}
}
return 0;
} }
nv_wr32(priv, 0x409800, 0x00000000); /* load HUB microcode */
nv_wr32(priv, 0x409500, 0x00000001); r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000030); nv_wr32(priv, 0x4091c0, 0x01000000);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) { for (i = 0; i < sizeof(nve0_grhub_data) / 4; i++)
nv_error(priv, "fuc09 req 0x30 timeout\n"); nv_wr32(priv, 0x4091c4, nve0_grhub_data[i]);
return -EBUSY;
nv_wr32(priv, 0x409180, 0x01000000);
for (i = 0; i < sizeof(nve0_grhub_code) / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(priv, 0x409188, i >> 6);
nv_wr32(priv, 0x409184, nve0_grhub_code[i]);
} }
nv_wr32(priv, 0x409810, 0xb00095c8); /* load GPC microcode */
nv_wr32(priv, 0x409800, 0x00000000); nv_wr32(priv, 0x41a1c0, 0x01000000);
nv_wr32(priv, 0x409500, 0x00000001); for (i = 0; i < sizeof(nve0_grgpc_data) / 4; i++)
nv_wr32(priv, 0x409504, 0x00000031); nv_wr32(priv, 0x41a1c4, nve0_grgpc_data[i]);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
nv_error(priv, "fuc09 req 0x31 timeout\n"); nv_wr32(priv, 0x41a180, 0x01000000);
return -EBUSY; for (i = 0; i < sizeof(nve0_grgpc_code) / 4; i++) {
if ((i & 0x3f) == 0)
nv_wr32(priv, 0x41a188, i >> 6);
nv_wr32(priv, 0x41a184, nve0_grgpc_code[i]);
} }
nv_wr32(priv, 0x000260, r000260);
nv_wr32(priv, 0x409810, 0x00080420); /* start HUB ucode running, it'll init the GPCs */
nv_wr32(priv, 0x409800, 0x00000000); nv_wr32(priv, 0x409800, nv_device(priv)->chipset);
nv_wr32(priv, 0x409500, 0x00000001); nv_wr32(priv, 0x40910c, 0x00000000);
nv_wr32(priv, 0x409504, 0x00000032); nv_wr32(priv, 0x409100, 0x00000002);
if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) { if (!nv_wait(priv, 0x409800, 0x80000000, 0x80000000)) {
nv_error(priv, "fuc09 req 0x32 timeout\n"); nv_error(priv, "HUB_INIT timed out\n");
nvc0_graph_ctxctl_debug(priv);
return -EBUSY; return -EBUSY;
} }
nv_wr32(priv, 0x409614, 0x00000070); priv->size = nv_rd32(priv, 0x409804);
nv_wr32(priv, 0x409614, 0x00000770);
nv_wr32(priv, 0x40802c, 0x00000001);
if (priv->data == NULL) { if (priv->data == NULL) {
int ret = nve0_grctx_generate(priv); int ret = nve0_grctx_generate(priv);
if (ret) { if (ret) {
......
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