/*
 * 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 "ovly.h"
#include "atom.h"

#include <drm/drm_atomic_helper.h>
#include <drm/drm_fourcc.h>

#include <nvif/if0014.h>
#include <nvif/push507c.h>

#include <nvhw/class/cl507e.h>

int
ovly507e_scale_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
        struct nvif_push *push = &wndw->wndw.push;
        int ret;

        if ((ret = PUSH_WAIT(push, 4)))
                return ret;

        PUSH_MTHD(push, NV507E, SET_POINT_IN,
                  NVVAL(NV507E, SET_POINT_IN, X, asyw->scale.sx) |
                  NVVAL(NV507E, SET_POINT_IN, Y, asyw->scale.sy),

                                SET_SIZE_IN,
                  NVVAL(NV507E, SET_SIZE_IN, WIDTH, asyw->scale.sw) |
                  NVVAL(NV507E, SET_SIZE_IN, HEIGHT, asyw->scale.sh),

                                SET_SIZE_OUT,
                  NVVAL(NV507E, SET_SIZE_OUT, WIDTH, asyw->scale.dw));
        return 0;
}

static int
ovly507e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
        struct nvif_push *push = &wndw->wndw.push;
        int ret;

        if ((ret = PUSH_WAIT(push, 12)))
                return ret;

        PUSH_MTHD(push, NV507E, SET_PRESENT_CONTROL,
                  NVDEF(NV507E, SET_PRESENT_CONTROL, BEGIN_MODE, ASAP) |
                  NVVAL(NV507E, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval));

        PUSH_MTHD(push, NV507E, SET_CONTEXT_DMA_ISO, asyw->image.handle[0]);

        PUSH_MTHD(push, NV507E, SET_COMPOSITION_CONTROL,
                  NVDEF(NV507E, SET_COMPOSITION_CONTROL, MODE, OPAQUE_SUSPEND_BASE));

        PUSH_MTHD(push, NV507E, SURFACE_SET_OFFSET, asyw->image.offset[0] >> 8);

        PUSH_MTHD(push, NV507E, SURFACE_SET_SIZE,
                  NVVAL(NV507E, SURFACE_SET_SIZE, WIDTH, asyw->image.w) |
                  NVVAL(NV507E, SURFACE_SET_SIZE, HEIGHT, asyw->image.h),

                                SURFACE_SET_STORAGE,
                  NVVAL(NV507E, SURFACE_SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh) |
                  NVVAL(NV507E, SURFACE_SET_STORAGE, PITCH, (asyw->image.pitch[0] >> 8)) |
                  NVVAL(NV507E, SURFACE_SET_STORAGE, PITCH, asyw->image.blocks[0]) |
                  NVVAL(NV507E, SURFACE_SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout),

                                SURFACE_SET_PARAMS,
                  NVVAL(NV507E, SURFACE_SET_PARAMS, FORMAT, asyw->image.format) |
                  NVVAL(NV507E, SURFACE_SET_PARAMS, COLOR_SPACE, asyw->image.colorspace) |
                  NVVAL(NV507E, SURFACE_SET_PARAMS, KIND, asyw->image.kind) |
                  NVDEF(NV507E, SURFACE_SET_PARAMS, PART_STRIDE, PARTSTRIDE_256));
        return 0;
}

void
ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
                 struct nv50_head_atom *asyh)
{
        asyh->ovly.cpp = 0;
}

int
ovly507e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
                 struct nv50_head_atom *asyh)
{
        const struct drm_framebuffer *fb = asyw->state.fb;
        int ret;

        ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
                                                  DRM_PLANE_NO_SCALING,
                                                  DRM_PLANE_NO_SCALING,
                                                  true, true);
        if (ret)
                return ret;

        asyh->ovly.cpp = fb->format->cpp[0];
        return 0;
}

#include "nouveau_bo.h"

static const struct nv50_wndw_func
ovly507e = {
        .acquire = ovly507e_acquire,
        .release = ovly507e_release,
        .ntfy_set = base507c_ntfy_set,
        .ntfy_clr = base507c_ntfy_clr,
        .ntfy_reset = base507c_ntfy_reset,
        .ntfy_wait_begun = base507c_ntfy_wait_begun,
        .image_set = ovly507e_image_set,
        .image_clr = base507c_image_clr,
        .scale_set = ovly507e_scale_set,
        .update = base507c_update,
};

static const u32
ovly507e_format[] = {
        DRM_FORMAT_YUYV,
        DRM_FORMAT_UYVY,
        DRM_FORMAT_XRGB8888,
        DRM_FORMAT_XRGB1555,
        0
};

int
ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
              struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
              struct nv50_wndw **pwndw)
{
        struct nvif_disp_chan_v0 args = {
                .id = head,
        };
        struct nv50_disp *disp = nv50_disp(drm->dev);
        struct nv50_wndw *wndw;
        int ret;

        ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_OVERLAY,
                             "ovly", head, format, BIT(head),
                             NV50_DISP_INTERLOCK_OVLY, interlock_data,
                             &wndw);
        if (*pwndw = wndw, ret)
                return ret;

        ret = nv50_dmac_create(drm,
                               &oclass, 0, &args, sizeof(args),
                               disp->sync->offset, &wndw->wndw);
        if (ret) {
                NV_ERROR(drm, "ovly%04x allocation failed: %d\n", oclass, ret);
                return ret;
        }

        wndw->ntfy = NV50_DISP_OVLY_NTFY(wndw->id);
        wndw->sema = NV50_DISP_OVLY_SEM0(wndw->id);
        wndw->data = 0x00000000;
        return 0;
}

int
ovly507e_new(struct nouveau_drm *drm, int head, s32 oclass,
             struct nv50_wndw **pwndw)
{
        return ovly507e_new_(&ovly507e, ovly507e_format, drm, head, oclass,
                             0x00000004 << (head * 8), pwndw);
}