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#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_dma.h"
#include "nouveau_fbcon.h"
static int
nv50_fbcon_sync(struct fb_info *info)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
int ret, i;
if (!chan->accel_done ||
info->state != FBINFO_STATE_RUNNING ||
info->flags & FBINFO_HWACCEL_DISABLED)
return 0;
if (RING_SPACE(chan, 4)) {
DRM_ERROR("GPU lockup - switching to software fbcon\n");
info->flags |= FBINFO_HWACCEL_DISABLED;
return 0;
}
BEGIN_RING(chan, 0, 0x0104, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, 0, 0x0100, 1);
OUT_RING (chan, 0);
chan->m2mf_ntfy_map[3] = 0xffffffff;
FIRE_RING (chan);
ret = -EBUSY;
for (i = 0; i < 100000; i++) {
if (chan->m2mf_ntfy_map[3] == 0) {
ret = 0;
break;
}
DRM_UDELAY(1);
}
if (ret) {
DRM_ERROR("GPU lockup - switching to software fbcon\n");
info->flags |= FBINFO_HWACCEL_DISABLED;
return 0;
}
chan->accel_done = false;
return 0;
}
static void
nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_nouveau_private *dev_priv = par->dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_fillrect(info, rect);
return;
}
if (RING_SPACE(chan, 9)) {
DRM_ERROR("GPU lockup - switching to software fbcon\n");
info->flags |= FBINFO_HWACCEL_DISABLED;
cfb_fillrect(info, rect);
return;
}
BEGIN_RING(chan, NvSub2D, 0x02ac, 1);
OUT_RING (chan, rect->rop == ROP_COPY ? 3 : 1);
BEGIN_RING(chan, NvSub2D, 0x0588, 1);
OUT_RING (chan, rect->color);
BEGIN_RING(chan, NvSub2D, 0x0600, 4);
OUT_RING (chan, rect->dx);
OUT_RING (chan, rect->dy);
OUT_RING (chan, rect->dx + rect->width);
OUT_RING (chan, rect->dy + rect->height);
FIRE_RING (chan);
}
static void
nv50_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_nouveau_private *dev_priv = par->dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_copyarea(info, region);
return;
}
if (RING_SPACE(chan, 17)) {
DRM_ERROR("GPU lockup - switching to software fbcon\n");
info->flags |= FBINFO_HWACCEL_DISABLED;
cfb_copyarea(info, region);
return;
}
BEGIN_RING(chan, NvSub2D, 0x02ac, 1);
OUT_RING (chan, 3);
BEGIN_RING(chan, NvSub2D, 0x0110, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, NvSub2D, 0x08b0, 12);
OUT_RING (chan, region->dx);
OUT_RING (chan, region->dy);
OUT_RING (chan, region->width);
OUT_RING (chan, region->height);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, region->sx);
OUT_RING (chan, 0);
OUT_RING (chan, region->sy);
FIRE_RING (chan);
}
static void
nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
{
if (info->state != FBINFO_STATE_RUNNING)
return;
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_imageblit(info, image);
return;
}
cfb_imageblit(info, image);
}
int
nv50_fbcon_accel_init(struct fb_info *info)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
struct nouveau_gpuobj *eng2d = NULL;
int ret, format;
switch (info->var.bits_per_pixel) {
case 16:
format = 0xe8;
break;
default:
format = 0xe6;
break;
}
ret = nouveau_gpuobj_gr_new(dev_priv->channel, 0x502d, &eng2d);
if (ret)
return ret;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, Nv2D, eng2d, NULL);
if (ret)
return ret;
ret = RING_SPACE(chan, 34);
if (ret) {
DRM_ERROR("GPU lockup - switching to software fbcon\n");
return ret;
}
BEGIN_RING(chan, NvSub2D, 0x0000, 1);
OUT_RING (chan, Nv2D);
BEGIN_RING(chan, NvSub2D, 0x0180, 4);
OUT_RING (chan, NvNotify0);
OUT_RING (chan, chan->vram_handle);
OUT_RING (chan, chan->vram_handle);
OUT_RING (chan, chan->vram_handle);
BEGIN_RING(chan, NvSub2D, 0x0290, 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, NvSub2D, 0x0888, 1);
OUT_RING (chan, 1);
BEGIN_RING(chan, NvSub2D, 0x02a0, 1);
OUT_RING (chan, 0x55);
BEGIN_RING(chan, NvSub2D, 0x0580, 2);
OUT_RING (chan, 4);
OUT_RING (chan, format);
BEGIN_RING(chan, NvSub2D, 0x0200, 2);
OUT_RING (chan, format);
OUT_RING (chan, 1);
BEGIN_RING(chan, NvSub2D, 0x0214, 5);
OUT_RING (chan, info->fix.line_length);
OUT_RING (chan, info->var.xres_virtual);
OUT_RING (chan, info->var.yres_virtual);
OUT_RING (chan, 0);
OUT_RING (chan, info->fix.smem_start - dev_priv->fb_phys +
dev_priv->vm_vram_base);
BEGIN_RING(chan, NvSub2D, 0x0230, 2);
OUT_RING (chan, format);
OUT_RING (chan, 1);
BEGIN_RING(chan, NvSub2D, 0x0244, 5);
OUT_RING (chan, info->fix.line_length);
OUT_RING (chan, info->var.xres_virtual);
OUT_RING (chan, info->var.yres_virtual);
OUT_RING (chan, 0);
OUT_RING (chan, info->fix.smem_start - dev_priv->fb_phys +
dev_priv->vm_vram_base);
info->fbops->fb_fillrect = nv50_fbcon_fillrect;
info->fbops->fb_copyarea = nv50_fbcon_copyarea;
info->fbops->fb_imageblit = nv50_fbcon_imageblit;
info->fbops->fb_sync = nv50_fbcon_sync;
return 0;
}
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