linux-zen-server/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c

137 lines
3.4 KiB
C

/*
* 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 <core/option.h>
#include <subdev/vga.h>
u32
nvkm_devinit_mmio(struct nvkm_devinit *init, u32 addr)
{
if (init->func->mmio)
addr = init->func->mmio(init, addr);
return addr;
}
int
nvkm_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 khz)
{
return init->func->pll_set(init, type, khz);
}
void
nvkm_devinit_meminit(struct nvkm_devinit *init)
{
if (init->func->meminit)
init->func->meminit(init);
}
u64
nvkm_devinit_disable(struct nvkm_devinit *init)
{
if (init && init->func->disable)
init->func->disable(init);
return 0;
}
int
nvkm_devinit_post(struct nvkm_devinit *init)
{
int ret = 0;
if (init && init->func->post)
ret = init->func->post(init, init->post);
nvkm_devinit_disable(init);
return ret;
}
static int
nvkm_devinit_fini(struct nvkm_subdev *subdev, bool suspend)
{
struct nvkm_devinit *init = nvkm_devinit(subdev);
/* force full reinit on resume */
if (suspend)
init->post = true;
return 0;
}
static int
nvkm_devinit_preinit(struct nvkm_subdev *subdev)
{
struct nvkm_devinit *init = nvkm_devinit(subdev);
if (init->func->preinit)
init->func->preinit(init);
/* Override the post flag during the first call if NvForcePost is set */
if (init->force_post) {
init->post = init->force_post;
init->force_post = false;
}
/* unlock the extended vga crtc regs */
nvkm_lockvgac(subdev->device, false);
return 0;
}
static int
nvkm_devinit_init(struct nvkm_subdev *subdev)
{
struct nvkm_devinit *init = nvkm_devinit(subdev);
if (init->func->init)
init->func->init(init);
return 0;
}
static void *
nvkm_devinit_dtor(struct nvkm_subdev *subdev)
{
struct nvkm_devinit *init = nvkm_devinit(subdev);
void *data = init;
if (init->func->dtor)
data = init->func->dtor(init);
/* lock crtc regs */
nvkm_lockvgac(subdev->device, true);
return data;
}
static const struct nvkm_subdev_func
nvkm_devinit = {
.dtor = nvkm_devinit_dtor,
.preinit = nvkm_devinit_preinit,
.init = nvkm_devinit_init,
.fini = nvkm_devinit_fini,
};
void
nvkm_devinit_ctor(const struct nvkm_devinit_func *func, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, struct nvkm_devinit *init)
{
nvkm_subdev_ctor(&nvkm_devinit, device, type, inst, &init->subdev);
init->func = func;
init->force_post = nvkm_boolopt(device->cfgopt, "NvForcePost", false);
}