/*
* Copyright 2022 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 .
*/
#include "priv.h"
static void
gp102_flcn_pio_emem_rd(struct nvkm_falcon *falcon, u8 port, const u8 *img, int len)
{
while (len >= 4 ) {
*(u32 *)img = nvkm_falcon_rd32(falcon, 0 xac4 + (port * 8 ));
img += 4 ;
len -= 4 ;
}
}
static void
gp102_flcn_pio_emem_rd_init(struct nvkm_falcon *falcon, u8 port, u32 dmem_base)
{
nvkm_falcon_wr32(falcon, 0 xac0 + (port * 8 ), BIT(25 ) | dmem_base);
}
static void
gp102_flcn_pio_emem_wr(struct nvkm_falcon *falcon, u8 port, const u8 *img, int len, u16 tag)
{
while (len >= 4 ) {
nvkm_falcon_wr32(falcon, 0 xac4 + (port * 8 ), *(u32 *)img);
img += 4 ;
len -= 4 ;
}
}
static void
gp102_flcn_pio_emem_wr_init(struct nvkm_falcon *falcon, u8 port, bool sec, u32 emem_base)
{
nvkm_falcon_wr32(falcon, 0 xac0 + (port * 8 ), BIT(24 ) | emem_base);
}
const struct nvkm_falcon_func_pio
gp102_flcn_emem_pio = {
.min = 4 ,
.max = 0 x100,
.wr_init = gp102_flcn_pio_emem_wr_init,
.wr = gp102_flcn_pio_emem_wr,
.rd_init = gp102_flcn_pio_emem_rd_init,
.rd = gp102_flcn_pio_emem_rd,
};
int
gp102_flcn_reset_eng(struct nvkm_falcon *falcon)
{
int ret;
if (falcon->func->reset_prep) {
ret = falcon->func->reset_prep(falcon);
if (ret)
return ret;
}
nvkm_falcon_mask(falcon, 0 x3c0, 0 x00000001, 0 x00000001);
udelay(10 );
nvkm_falcon_mask(falcon, 0 x3c0, 0 x00000001, 0 x00000000);
return falcon->func->reset_wait_mem_scrubbing(falcon);
}
Messung V0.5 in Prozent C=99 H=86 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-05)
¤
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