/*
* Copyright 2012 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
*/
#include "priv.h"
#include <subdev/gsp.h>
static void
gk104_gpio_intr_stat(struct nvkm_gpio *gpio, u32 *hi, u32 *lo)
{
struct nvkm_device *device = gpio->subdev.device;
u32 intr0 = nvkm_rd32(device, 0 x00dc00);
u32 intr1 = nvkm_rd32(device, 0 x00dc80);
u32 stat0 = nvkm_rd32(device, 0 x00dc08) & intr0;
u32 stat1 = nvkm_rd32(device, 0 x00dc88) & intr1;
*lo = (stat1 & 0 xffff0000) | (stat0 >> 16 );
*hi = (stat1 << 16 ) | (stat0 & 0 x0000ffff);
nvkm_wr32(device, 0 x00dc00, intr0);
nvkm_wr32(device, 0 x00dc80, intr1);
}
static void
gk104_gpio_intr_mask(struct nvkm_gpio *gpio, u32 type, u32 mask, u32 data)
{
struct nvkm_device *device = gpio->subdev.device;
u32 inte0 = nvkm_rd32(device, 0 x00dc08);
u32 inte1 = nvkm_rd32(device, 0 x00dc88);
if (type & NVKM_GPIO_LO)
inte0 = (inte0 & ~(mask << 16 )) | (data << 16 );
if (type & NVKM_GPIO_HI)
inte0 = (inte0 & ~(mask & 0 xffff)) | (data & 0 xffff);
mask >>= 16 ;
data >>= 16 ;
if (type & NVKM_GPIO_LO)
inte1 = (inte1 & ~(mask << 16 )) | (data << 16 );
if (type & NVKM_GPIO_HI)
inte1 = (inte1 & ~mask) | data;
nvkm_wr32(device, 0 x00dc08, inte0);
nvkm_wr32(device, 0 x00dc88, inte1);
}
static const struct nvkm_gpio_func
gk104_gpio = {
.lines = 32 ,
.intr_stat = gk104_gpio_intr_stat,
.intr_mask = gk104_gpio_intr_mask,
.drive = gf119_gpio_drive,
.sense = gf119_gpio_sense,
.reset = gf119_gpio_reset,
};
int
gk104_gpio_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_gpio **pgpio)
{
if (nvkm_gsp_rm(device->gsp))
return -ENODEV;
return nvkm_gpio_new_(&gk104_gpio, device, type, inst, pgpio);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-07)
¤
*© Formatika GbR, Deutschland