int bochs_fbdev_init(struct bochs_device *bochs)
{
int ret;
drm_fb_helper_prepare(bochs->dev, &bochs->fb.helper,
&bochs_fb_helper_funcs);
ret = drm_fb_helper_init(bochs->dev, &bochs->fb.helper,
1, 1);
if (ret)
return ret;
ret = drm_fb_helper_single_add_all_connectors(&bochs->fb.helper);
if (ret)
goto fini;
drm_helper_disable_unused_functions(bochs->dev);
ret = drm_fb_helper_initial_config(&bochs->fb.helper, 32);
if (ret)
goto fini;
bochs->fb.initialized = true;
return 0;
fini:
drm_fb_helper_fini(&bochs->fb.helper);
return ret;
}
int evdi_fbdev_init(struct drm_device *dev)
{
struct evdi_device *evdi = dev->dev_private;
struct evdi_fbdev *ufbdev;
int ret;
ufbdev = kzalloc(sizeof(struct evdi_fbdev), GFP_KERNEL);
if (!ufbdev) {
return -ENOMEM;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
drm_fb_helper_prepare(dev, &ufbdev->helper, &evdi_fb_helper_funcs);
#else
evdi->fbdev = ufbdev;
ufbdev->helper.funcs = &evdi_fb_helper_funcs;
#endif
ret = drm_fb_helper_init(dev, &ufbdev->helper, 1, 1);
if (ret) {
kfree(ufbdev);
return ret;
}
drm_fb_helper_single_add_all_connectors(&ufbdev->helper);
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);
drm_fb_helper_initial_config(&ufbdev->helper, 32);
return 0;
}
int virtio_gpu_fbdev_init(struct virtio_gpu_device *vgdev)
{
struct virtio_gpu_fbdev *vgfbdev;
int bpp_sel = 32; /* TODO: parameter from somewhere? */
int ret;
vgfbdev = kzalloc(sizeof(struct virtio_gpu_fbdev), GFP_KERNEL);
if (!vgfbdev)
return -ENOMEM;
vgfbdev->vgdev = vgdev;
vgdev->vgfbdev = vgfbdev;
INIT_DELAYED_WORK(&vgfbdev->work, virtio_gpu_fb_dirty_work);
drm_fb_helper_prepare(vgdev->ddev, &vgfbdev->helper,
&virtio_gpu_fb_helper_funcs);
ret = drm_fb_helper_init(vgdev->ddev, &vgfbdev->helper,
VIRTIO_GPUFB_CONN_LIMIT);
if (ret) {
kfree(vgfbdev);
return ret;
}
drm_fb_helper_single_add_all_connectors(&vgfbdev->helper);
drm_fb_helper_initial_config(&vgfbdev->helper, bpp_sel);
return 0;
}
static struct hisi_drm_fbdev *hisi_drm_fbdev_create(struct drm_device *dev,
unsigned int preferred_bpp, unsigned int num_crtc,
unsigned int max_conn_count)
{
struct hisi_drm_fbdev *fbdev;
struct drm_fb_helper *helper;
int ret;
DRM_DEBUG_DRIVER("enter, dev=%p, preferred_bpp=%d, num_crtc=%d .\n",
dev, preferred_bpp, num_crtc);
fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
if (!fbdev) {
dev_err(dev->dev, "Failed to allocate drm fbdev.\n");
return ERR_PTR(-ENOMEM);
}
helper = &fbdev->fb_helper;
drm_fb_helper_prepare(dev, helper, &hisi_fb_helper_funcs);
ret = drm_fb_helper_init(dev, helper, num_crtc, max_conn_count);
if (ret < 0) {
dev_err(dev->dev, "Failed to initialize drm fb helper.\n");
goto err_free;
}
ret = drm_fb_helper_single_add_all_connectors(helper);
if (ret < 0) {
dev_err(dev->dev, "Failed to add connectors.\n");
goto err_drm_fb_helper_fini;
}
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);
ret = drm_fb_helper_initial_config(helper, preferred_bpp);
if (ret < 0) {
dev_err(dev->dev, "Failed to set initial hw configuration.\n");
goto err_drm_fb_helper_fini;
}
DRM_DEBUG_DRIVER("exit successfully.\n");
return fbdev;
err_drm_fb_helper_fini:
drm_fb_helper_fini(helper);
err_free:
kfree(fbdev);
return ERR_PTR(ret);
}
int radeon_fbdev_init(struct radeon_device *rdev)
{
struct radeon_fbdev *rfbdev;
int bpp_sel = 32;
int ret;
/* don't enable fbdev if no connectors */
if (list_empty(&rdev->ddev->mode_config.connector_list))
return 0;
/* select 8 bpp console on 8MB cards, or 16 bpp on RN50 or 32MB */
if (rdev->mc.real_vram_size <= (8*1024*1024))
bpp_sel = 8;
else if (ASIC_IS_RN50(rdev) ||
rdev->mc.real_vram_size <= (32*1024*1024))
bpp_sel = 16;
rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
if (!rfbdev)
return -ENOMEM;
rfbdev->rdev = rdev;
rdev->mode_info.rfbdev = rfbdev;
drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper,
&radeon_fb_helper_funcs);
ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
RADEONFB_CONN_LIMIT);
if (ret)
goto free;
ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
if (ret)
goto fini;
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(rdev->ddev);
ret = drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
if (ret)
goto fini;
return 0;
fini:
drm_fb_helper_fini(&rfbdev->helper);
free:
kfree(rfbdev);
return ret;
}
static struct tegra_fbdev *tegra_fbdev_create(struct drm_device *drm)
{
struct tegra_fbdev *fbdev;
fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
if (!fbdev) {
dev_err(drm->dev, "failed to allocate DRM fbdev\n");
return ERR_PTR(-ENOMEM);
}
drm_fb_helper_prepare(drm, &fbdev->base, &tegra_fb_helper_funcs);
return fbdev;
}
int amdgpu_fbdev_init(struct amdgpu_device *adev)
{
struct amdgpu_fbdev *rfbdev;
int bpp_sel = 32;
int ret;
/* don't init fbdev on hw without DCE */
if (!adev->mode_info.mode_config_initialized)
return 0;
/* don't init fbdev if there are no connectors */
if (list_empty(&adev->ddev->mode_config.connector_list))
return 0;
/* select 8 bpp console on low vram cards */
if (adev->gmc.real_vram_size <= (32*1024*1024))
bpp_sel = 8;
rfbdev = kzalloc(sizeof(struct amdgpu_fbdev), GFP_KERNEL);
if (!rfbdev)
return -ENOMEM;
rfbdev->adev = adev;
adev->mode_info.rfbdev = rfbdev;
drm_fb_helper_prepare(adev->ddev, &rfbdev->helper,
&amdgpu_fb_helper_funcs);
ret = drm_fb_helper_init(adev->ddev, &rfbdev->helper,
AMDGPUFB_CONN_LIMIT);
if (ret) {
kfree(rfbdev);
return ret;
}
drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
/* disable all the possible outputs/crtcs before entering KMS mode */
if (!amdgpu_device_has_dc_support(adev))
drm_helper_disable_unused_functions(adev->ddev);
drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
return 0;
}
int qxl_fbdev_init(struct qxl_device *qdev)
{
struct qxl_fbdev *qfbdev;
int bpp_sel = 32; /* TODO: parameter from somewhere? */
int ret;
qfbdev = kzalloc(sizeof(struct qxl_fbdev), GFP_KERNEL);
if (!qfbdev)
return -ENOMEM;
qfbdev->qdev = qdev;
qdev->mode_info.qfbdev = qfbdev;
spin_lock_init(&qfbdev->delayed_ops_lock);
INIT_LIST_HEAD(&qfbdev->delayed_ops);
drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper,
&qxl_fb_helper_funcs);
ret = drm_fb_helper_init(qdev->ddev, &qfbdev->helper,
qxl_num_crtc /* num_crtc - QXL supports just 1 */,
QXLFB_CONN_LIMIT);
if (ret)
goto free;
ret = drm_fb_helper_single_add_all_connectors(&qfbdev->helper);
if (ret)
goto fini;
ret = drm_fb_helper_initial_config(&qfbdev->helper, bpp_sel);
if (ret)
goto fini;
return 0;
fini:
drm_fb_helper_fini(&qfbdev->helper);
free:
kfree(qfbdev);
return ret;
}
int armada_fbdev_init(struct drm_device *dev)
{
struct armada_private *priv = dev->dev_private;
struct drm_fb_helper *fbh;
int ret;
fbh = devm_kzalloc(dev->dev, sizeof(*fbh), GFP_KERNEL);
if (!fbh)
return -ENOMEM;
priv->fbdev = fbh;
drm_fb_helper_prepare(dev, fbh, &armada_fb_helper_funcs);
ret = drm_fb_helper_init(dev, fbh, 1, 1);
if (ret) {
DRM_ERROR("failed to initialize drm fb helper\n");
goto err_fb_helper;
}
ret = drm_fb_helper_single_add_all_connectors(fbh);
if (ret) {
DRM_ERROR("failed to add fb connectors\n");
goto err_fb_setup;
}
ret = drm_fb_helper_initial_config(fbh, 32);
if (ret) {
DRM_ERROR("failed to set initial config\n");
goto err_fb_setup;
}
return 0;
err_fb_setup:
drm_fb_helper_release_fbi(fbh);
drm_fb_helper_fini(fbh);
err_fb_helper:
priv->fbdev = NULL;
return ret;
}
int mtk_fbdev_create(struct drm_device *dev)
{
struct mtk_drm_private *priv =
(struct mtk_drm_private *)dev->dev_private;
struct drm_fb_helper *fbdev;
int ret;
fbdev = devm_kzalloc(dev->dev, sizeof(*fbdev), GFP_KERNEL);
if (!fbdev)
return -ENOMEM;
drm_fb_helper_prepare(dev, fbdev, &mediatek_drm_fb_helper_funcs);
ret = drm_fb_helper_init(dev, fbdev, dev->mode_config.num_crtc,
dev->mode_config.num_connector);
if (ret) {
dev_err(dev->dev, "failed to initialize DRM FB helper\n");
goto fini;
}
ret = drm_fb_helper_single_add_all_connectors(fbdev);
if (ret) {
dev_err(dev->dev, "failed to add connectors\n");
goto fini;
}
ret = drm_fb_helper_initial_config(fbdev, FBDEV_BPP);
if (ret) {
dev_err(dev->dev, "failed to set initial configuration\n");
goto fini;
}
priv->fb_helper = fbdev;
return 0;
fini:
drm_fb_helper_fini(fbdev);
return ret;
}
int udl_fbdev_init(struct drm_device *dev)
{
struct udl_device *udl = dev->dev_private;
int bpp_sel = fb_bpp;
struct udl_fbdev *ufbdev;
int ret;
ufbdev = kzalloc(sizeof(struct udl_fbdev), GFP_KERNEL);
if (!ufbdev)
return -ENOMEM;
udl->fbdev = ufbdev;
drm_fb_helper_prepare(dev, &ufbdev->helper, &udl_fb_helper_funcs);
ret = drm_fb_helper_init(dev, &ufbdev->helper,
1, 1);
if (ret)
goto free;
ret = drm_fb_helper_single_add_all_connectors(&ufbdev->helper);
if (ret)
goto fini;
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);
ret = drm_fb_helper_initial_config(&ufbdev->helper, bpp_sel);
if (ret)
goto fini;
return 0;
fini:
drm_fb_helper_fini(&ufbdev->helper);
free:
kfree(ufbdev);
return ret;
}
int radeon_fbdev_init(struct radeon_device *rdev)
{
struct radeon_fbdev *rfbdev;
int bpp_sel = 32;
int ret;
/* select 8 bpp console on RN50 or 16MB cards */
if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
bpp_sel = 8;
rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
if (!rfbdev)
return -ENOMEM;
rfbdev->rdev = rdev;
rdev->mode_info.rfbdev = rfbdev;
drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper,
&radeon_fb_helper_funcs);
ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
rdev->num_crtc,
RADEONFB_CONN_LIMIT);
if (ret) {
kfree(rfbdev);
return ret;
}
drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(rdev->ddev);
drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel);
return 0;
}
int hibmc_fbdev_init(struct hibmc_drm_private *priv)
{
int ret;
struct fb_var_screeninfo *var;
struct fb_fix_screeninfo *fix;
struct hibmc_fbdev *hifbdev;
hifbdev = devm_kzalloc(priv->dev->dev, sizeof(*hifbdev), GFP_KERNEL);
if (!hifbdev) {
DRM_ERROR("failed to allocate hibmc_fbdev\n");
return -ENOMEM;
}
priv->fbdev = hifbdev;
drm_fb_helper_prepare(priv->dev, &hifbdev->helper,
&hibmc_fbdev_helper_funcs);
/* Now just one crtc and one channel */
ret = drm_fb_helper_init(priv->dev, &hifbdev->helper, 1);
if (ret) {
DRM_ERROR("failed to initialize fb helper: %d\n", ret);
return ret;
}
ret = drm_fb_helper_single_add_all_connectors(&hifbdev->helper);
if (ret) {
DRM_ERROR("failed to add all connectors: %d\n", ret);
goto fini;
}
ret = drm_fb_helper_initial_config(&hifbdev->helper, 16);
if (ret) {
DRM_ERROR("failed to setup initial conn config: %d\n", ret);
goto fini;
}
var = &hifbdev->helper.fbdev->var;
fix = &hifbdev->helper.fbdev->fix;
DRM_DEBUG_DRIVER("Member of info->var is :\n"
"xres=%d\n"
"yres=%d\n"
"xres_virtual=%d\n"
"yres_virtual=%d\n"
"xoffset=%d\n"
"yoffset=%d\n"
"bits_per_pixel=%d\n"
"...\n", var->xres, var->yres, var->xres_virtual,
var->yres_virtual, var->xoffset, var->yoffset,
var->bits_per_pixel);
DRM_DEBUG_DRIVER("Member of info->fix is :\n"
"smem_start=%lx\n"
"smem_len=%d\n"
"type=%d\n"
"type_aux=%d\n"
"visual=%d\n"
"xpanstep=%d\n"
"ypanstep=%d\n"
"ywrapstep=%d\n"
"line_length=%d\n"
"accel=%d\n"
"capabilities=%d\n"
"...\n", fix->smem_start, fix->smem_len, fix->type,
fix->type_aux, fix->visual, fix->xpanstep,
fix->ypanstep, fix->ywrapstep, fix->line_length,
fix->accel, fix->capabilities);
return 0;
fini:
drm_fb_helper_fini(&hifbdev->helper);
return ret;
}