nv04_fbcon.c

Go to the documentation of this file.

/*
 * Copyright 2009 Ben Skeggs
 * Copyright 2008 Stuart Bennett
 *
 * 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 (including the next
 * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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/object.h>

#include "nouveau_drm.h"
#include "nouveau_dma.h"
#include "nouveau_fbcon.h"

int
nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
    struct nouveau_fbdev *nfbdev = info->par;
    struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
    struct nouveau_channel *chan = drm->channel;
    int ret;

    ret = RING_SPACE(chan, 4);
    if (ret)
        return ret;

    BEGIN_NV04(chan, NvSubImageBlit, 0x0300, 3);
    OUT_RING(chan, (region->sy << 16) | region->sx);
    OUT_RING(chan, (region->dy << 16) | region->dx);
    OUT_RING(chan, (region->height << 16) | region->width);
    FIRE_RING(chan);
    return 0;
}

int
nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
    struct nouveau_fbdev *nfbdev = info->par;
    struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
    struct nouveau_channel *chan = drm->channel;
    int ret;

    ret = RING_SPACE(chan, 7);
    if (ret)
        return ret;

    BEGIN_NV04(chan, NvSubGdiRect, 0x02fc, 1);
    OUT_RING(chan, (rect->rop != ROP_COPY) ? 1 : 3);
    BEGIN_NV04(chan, NvSubGdiRect, 0x03fc, 1);
    if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
        info->fix.visual == FB_VISUAL_DIRECTCOLOR)
        OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
    else
        OUT_RING(chan, rect->color);
    BEGIN_NV04(chan, NvSubGdiRect, 0x0400, 2);
    OUT_RING(chan, (rect->dx << 16) | rect->dy);
    OUT_RING(chan, (rect->width << 16) | rect->height);
    FIRE_RING(chan);
    return 0;
}

int
nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
{
    struct nouveau_fbdev *nfbdev = info->par;
    struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
    struct nouveau_channel *chan = drm->channel;
    uint32_t fg;
    uint32_t bg;
    uint32_t dsize;
    uint32_t width;
    uint32_t *data = (uint32_t *)image->data;
    int ret;

    if (image->depth != 1)
        return -ENODEV;

    ret = RING_SPACE(chan, 8);
    if (ret)
        return ret;

    width = ALIGN(image->width, 8);
    dsize = ALIGN(width * image->height, 32) >> 5;

    if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
        info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
        fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
        bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
    } else {
        fg = image->fg_color;
        bg = image->bg_color;
    }

    BEGIN_NV04(chan, NvSubGdiRect, 0x0be4, 7);
    OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
    OUT_RING(chan, ((image->dy + image->height) << 16) |
             ((image->dx + image->width) & 0xffff));
    OUT_RING(chan, bg);
    OUT_RING(chan, fg);
    OUT_RING(chan, (image->height << 16) | width);
    OUT_RING(chan, (image->height << 16) | image->width);
    OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));

    while (dsize) {
        int iter_len = dsize > 128 ? 128 : dsize;

        ret = RING_SPACE(chan, iter_len + 1);
        if (ret)
            return ret;

        BEGIN_NV04(chan, NvSubGdiRect, 0x0c00, iter_len);
        OUT_RINGp(chan, data, iter_len);
        data += iter_len;
        dsize -= iter_len;
    }

    FIRE_RING(chan);
    return 0;
}

int
nv04_fbcon_accel_init(struct fb_info *info)
{
    struct nouveau_fbdev *nfbdev = info->par;
    struct drm_device *dev = nfbdev->dev;
    struct nouveau_drm *drm = nouveau_drm(dev);
    struct nouveau_channel *chan = drm->channel;
    struct nouveau_device *device = nv_device(drm->device);
    struct nouveau_object *object;
    int surface_fmt, pattern_fmt, rect_fmt;
    int ret;

    switch (info->var.bits_per_pixel) {
    case 8:
        surface_fmt = 1;
        pattern_fmt = 3;
        rect_fmt = 3;
        break;
    case 16:
        surface_fmt = 4;
        pattern_fmt = 1;
        rect_fmt = 1;
        break;
    case 32:
        switch (info->var.transp.length) {
        case 0: /* depth 24 */
        case 8: /* depth 32 */
            break;
        default:
            return -EINVAL;
        }

        surface_fmt = 6;
        pattern_fmt = 3;
        rect_fmt = 3;
        break;
    default:
        return -EINVAL;
    }

    ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, NvCtxSurf2D,
                 device->card_type >= NV_10 ? 0x0062 : 0x0042,
                 NULL, 0, &object);
    if (ret)
        return ret;

    ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, NvClipRect,
                 0x0019, NULL, 0, &object);
    if (ret)
        return ret;

    ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, NvRop,
                 0x0043, NULL, 0, &object);
    if (ret)
        return ret;

    ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, NvImagePatt,
                 0x0044, NULL, 0, &object);
    if (ret)
        return ret;

    ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, NvGdiRect,
                 0x004a, NULL, 0, &object);
    if (ret)
        return ret;

    ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, NvImageBlit,
                 device->chipset >= 0x11 ? 0x009f : 0x005f,
                 NULL, 0, &object);
    if (ret)
        return ret;

    if (RING_SPACE(chan, 49)) {
        nouveau_fbcon_gpu_lockup(info);
        return 0;
    }

    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
    OUT_RING(chan, NvCtxSurf2D);
    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0184, 2);
    OUT_RING(chan, NvDmaFB);
    OUT_RING(chan, NvDmaFB);
    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 4);
    OUT_RING(chan, surface_fmt);
    OUT_RING(chan, info->fix.line_length | (info->fix.line_length << 16));
    OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
    OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);

    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
    OUT_RING(chan, NvRop);
    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 1);
    OUT_RING(chan, 0x55);

    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
    OUT_RING(chan, NvImagePatt);
    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 8);
    OUT_RING(chan, pattern_fmt);
#ifdef __BIG_ENDIAN
    OUT_RING(chan, 2);
#else
    OUT_RING(chan, 1);
#endif
    OUT_RING(chan, 0);
    OUT_RING(chan, 1);
    OUT_RING(chan, ~0);
    OUT_RING(chan, ~0);
    OUT_RING(chan, ~0);
    OUT_RING(chan, ~0);

    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
    OUT_RING(chan, NvClipRect);
    BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 2);
    OUT_RING(chan, 0);
    OUT_RING(chan, (info->var.yres_virtual << 16) | info->var.xres_virtual);

    BEGIN_NV04(chan, NvSubImageBlit, 0x0000, 1);
    OUT_RING(chan, NvImageBlit);
    BEGIN_NV04(chan, NvSubImageBlit, 0x019c, 1);
    OUT_RING(chan, NvCtxSurf2D);
    BEGIN_NV04(chan, NvSubImageBlit, 0x02fc, 1);
    OUT_RING(chan, 3);

    BEGIN_NV04(chan, NvSubGdiRect, 0x0000, 1);
    OUT_RING(chan, NvGdiRect);
    BEGIN_NV04(chan, NvSubGdiRect, 0x0198, 1);
    OUT_RING(chan, NvCtxSurf2D);
    BEGIN_NV04(chan, NvSubGdiRect, 0x0188, 2);
    OUT_RING(chan, NvImagePatt);
    OUT_RING(chan, NvRop);
    BEGIN_NV04(chan, NvSubGdiRect, 0x0304, 1);
    OUT_RING(chan, 1);
    BEGIN_NV04(chan, NvSubGdiRect, 0x0300, 1);
    OUT_RING(chan, rect_fmt);
    BEGIN_NV04(chan, NvSubGdiRect, 0x02fc, 1);
    OUT_RING(chan, 3);

    FIRE_RING(chan);

    return 0;
}