Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 219 insertions, 0 deletions

diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
new file mode 100644
index 000000000..800471f2a
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -0,0 +1,219 @@
+/*
+ * Copyright 2012 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+/*
+ * Authors: Dave Airlie <airlied@redhat.com>
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include <drm/drm_aperture.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_gem_vram_helper.h>
+#include <drm/drm_module.h>
+#include <drm/drm_probe_helper.h>
+
+#include "ast_drv.h"
+
+static int ast_modeset = -1;
+
+MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
+module_param_named(modeset, ast_modeset, int, 0400);
+
+/*
+ * DRM driver
+ */
+
+DEFINE_DRM_GEM_FOPS(ast_fops);
+
+static const struct drm_driver ast_driver = {
+	.driver_features = DRIVER_ATOMIC |
+			   DRIVER_GEM |
+			   DRIVER_MODESET,
+
+	.fops = &ast_fops,
+	.name = DRIVER_NAME,
+	.desc = DRIVER_DESC,
+	.date = DRIVER_DATE,
+	.major = DRIVER_MAJOR,
+	.minor = DRIVER_MINOR,
+	.patchlevel = DRIVER_PATCHLEVEL,
+
+	DRM_GEM_VRAM_DRIVER
+};
+
+/*
+ * PCI driver
+ */
+
+#define PCI_VENDOR_ASPEED 0x1a03
+
+#define AST_VGA_DEVICE(id, info) {		\
+	.class = PCI_BASE_CLASS_DISPLAY << 16,	\
+	.class_mask = 0xff0000,			\
+	.vendor = PCI_VENDOR_ASPEED,			\
+	.device = id,				\
+	.subvendor = PCI_ANY_ID,		\
+	.subdevice = PCI_ANY_ID,		\
+	.driver_data = (unsigned long) info }
+
+static const struct pci_device_id ast_pciidlist[] = {
+	AST_VGA_DEVICE(PCI_CHIP_AST2000, NULL),
+	AST_VGA_DEVICE(PCI_CHIP_AST2100, NULL),
+	{0, 0, 0},
+};
+
+MODULE_DEVICE_TABLE(pci, ast_pciidlist);
+
+static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct ast_private *ast;
+	struct drm_device *dev;
+	int ret;
+
+	ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &ast_driver);
+	if (ret)
+		return ret;
+
+	ret = pcim_enable_device(pdev);
+	if (ret)
+		return ret;
+
+	ast = ast_device_create(&ast_driver, pdev, ent->driver_data);
+	if (IS_ERR(ast))
+		return PTR_ERR(ast);
+	dev = &ast->base;
+
+	ret = drm_dev_register(dev, ent->driver_data);
+	if (ret)
+		return ret;
+
+	drm_fbdev_generic_setup(dev, 32);
+
+	return 0;
+}
+
+static void ast_pci_remove(struct pci_dev *pdev)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+
+	drm_dev_unregister(dev);
+	drm_atomic_helper_shutdown(dev);
+}
+
+static int ast_drm_freeze(struct drm_device *dev)
+{
+	int error;
+
+	error = drm_mode_config_helper_suspend(dev);
+	if (error)
+		return error;
+	pci_save_state(to_pci_dev(dev->dev));
+	return 0;
+}
+
+static int ast_drm_thaw(struct drm_device *dev)
+{
+	ast_post_gpu(dev);
+
+	return drm_mode_config_helper_resume(dev);
+}
+
+static int ast_drm_resume(struct drm_device *dev)
+{
+	if (pci_enable_device(to_pci_dev(dev->dev)))
+		return -EIO;
+
+	return ast_drm_thaw(dev);
+}
+
+static int ast_pm_suspend(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct drm_device *ddev = pci_get_drvdata(pdev);
+	int error;
+
+	error = ast_drm_freeze(ddev);
+	if (error)
+		return error;
+
+	pci_disable_device(pdev);
+	pci_set_power_state(pdev, PCI_D3hot);
+	return 0;
+}
+
+static int ast_pm_resume(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct drm_device *ddev = pci_get_drvdata(pdev);
+	return ast_drm_resume(ddev);
+}
+
+static int ast_pm_freeze(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct drm_device *ddev = pci_get_drvdata(pdev);
+	return ast_drm_freeze(ddev);
+}
+
+static int ast_pm_thaw(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct drm_device *ddev = pci_get_drvdata(pdev);
+	return ast_drm_thaw(ddev);
+}
+
+static int ast_pm_poweroff(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct drm_device *ddev = pci_get_drvdata(pdev);
+
+	return ast_drm_freeze(ddev);
+}
+
+static const struct dev_pm_ops ast_pm_ops = {
+	.suspend = ast_pm_suspend,
+	.resume = ast_pm_resume,
+	.freeze = ast_pm_freeze,
+	.thaw = ast_pm_thaw,
+	.poweroff = ast_pm_poweroff,
+	.restore = ast_pm_resume,
+};
+
+static struct pci_driver ast_pci_driver = {
+	.name = DRIVER_NAME,
+	.id_table = ast_pciidlist,
+	.probe = ast_pci_probe,
+	.remove = ast_pci_remove,
+	.driver.pm = &ast_pm_ops,
+};
+
+drm_module_pci_driver_if_modeset(ast_pci_driver, ast_modeset);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");