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/*
* Copyright 2018 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 "core.h"
#include "head.h"
#include <nvif/cl507d.h>
#include <nvif/push507c.h>
#include <nvif/timer.h>
#include <nvhw/class/cl507d.h>
#include "nouveau_bo.h"
int
core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
{
struct nvif_push *push = core->chan.push;
int ret;
if ((ret = PUSH_WAIT(push, 5)))
return ret;
if (ntfy) {
PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL,
NVDEF(NV507D, SET_NOTIFIER_CONTROL, MODE, WRITE) |
NVVAL(NV507D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 2) |
NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE));
}
PUSH_MTHD(push, NV507D, UPDATE, interlock[NV50_DISP_INTERLOCK_BASE] |
interlock[NV50_DISP_INTERLOCK_OVLY] |
NVDEF(NV507D, UPDATE, NOT_DRIVER_FRIENDLY, FALSE) |
NVDEF(NV507D, UPDATE, NOT_DRIVER_UNFRIENDLY, FALSE) |
NVDEF(NV507D, UPDATE, INHIBIT_INTERRUPTS, FALSE));
return PUSH_KICK(push);
}
int
core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
struct nvif_device *device)
{
s64 time = nvif_msec(device, 2000ULL,
if (NVBO_TD32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, ==, TRUE))
break;
usleep_range(1, 2);
);
return time < 0 ? time : 0;
}
void
core507d_ntfy_init(struct nouveau_bo *bo, u32 offset)
{
NVBO_WR32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0,
NVDEF(NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, FALSE));
}
int
core507d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
{
struct nvif_push *push = disp->core->chan.push;
int ret;
if ((ret = PUSH_WAIT(push, 2)))
return ret;
PUSH_MTHD(push, NV507D, GET_CAPABILITIES, 0x00000000);
return PUSH_KICK(push);
}
int
core507d_init(struct nv50_core *core)
{
struct nvif_push *push = core->chan.push;
int ret;
if ((ret = PUSH_WAIT(push, 2)))
return ret;
PUSH_MTHD(push, NV507D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle);
return PUSH_KICK(push);
}
static const struct nv50_core_func
core507d = {
.init = core507d_init,
.ntfy_init = core507d_ntfy_init,
.caps_init = core507d_caps_init,
.ntfy_wait_done = core507d_ntfy_wait_done,
.update = core507d_update,
.head = &head507d,
.dac = &dac507d,
.sor = &sor507d,
.pior = &pior507d,
};
int
core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm,
s32 oclass, struct nv50_core **pcore)
{
struct nv50_disp_core_channel_dma_v0 args = {};
struct nv50_disp *disp = nv50_disp(drm->dev);
struct nv50_core *core;
int ret;
if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL)))
return -ENOMEM;
core->func = func;
ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
&oclass, 0, &args, sizeof(args),
disp->sync->offset, &core->chan);
if (ret) {
NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret);
return ret;
}
return 0;
}
int
core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
{
return core507d_new_(&core507d, drm, oclass, pcore);
}
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