/*
* Copyright 2014 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 "conn.h"
#include "outp.h"
#include "priv.h"
#include <subdev/gpio.h>
#include <nvif/event.h>
void
nvkm_conn_del(struct nvkm_conn **pconn)
{
struct nvkm_conn *conn = *pconn;
if (conn) {
kfree(*pconn);
*pconn = NULL;
}
}
static void
nvkm_conn_ctor(struct nvkm_disp *disp, int index, struct nvbios_connE *info,
struct nvkm_conn *conn)
{
static const u8 hpd[] = { 0 x07, 0 x08, 0 x51, 0 x52, 0 x5e, 0 x5f, 0 x60 };
struct nvkm_gpio *gpio = disp->engine.subdev.device->gpio;
struct dcb_gpio_func func;
int ret;
conn->disp = disp;
conn->index = index;
conn->info = *info;
conn->info.hpd = DCB_GPIO_UNUSED;
CONN_DBG(conn, "type %02x loc %d hpd %02x dp %x di %x sr %x lcdid %x" ,
info->type, info->location, info->hpd, info->dp,
info->di, info->sr, info->lcdid);
if ((info->hpd = ffs(info->hpd))) {
if (--info->hpd >= ARRAY_SIZE(hpd)) {
CONN_ERR(conn, "hpd %02x unknown" , info->hpd);
return ;
}
info->hpd = hpd[info->hpd];
ret = nvkm_gpio_find(gpio, 0 , info->hpd, DCB_GPIO_UNUSED, &func);
if (ret) {
CONN_ERR(conn, "func %02x lookup failed, %d" , info->hpd, ret);
return ;
}
conn->info.hpd = func.line;
}
}
int
nvkm_conn_new(struct nvkm_disp *disp, int index, struct nvbios_connE *info,
struct nvkm_conn **pconn)
{
if (!(*pconn = kzalloc(sizeof (**pconn), GFP_KERNEL)))
return -ENOMEM;
nvkm_conn_ctor(disp, index, info, *pconn);
return 0 ;
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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