1 files changed, 242 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 000000000000..b56eac6b155f
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -0,0 +1,242 @@
+/*
+ * 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/console.h>
+
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc_helper.h"
+
+#include "ast_drv.h"
+
+int ast_modeset = -1;
+
+MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
+module_param_named(modeset, ast_modeset, int, 0400);
+
+#define PCI_VENDOR_ASPEED 0x1a03
+
+static struct drm_driver driver;
+
+#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 DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
+        AST_VGA_DEVICE(PCI_CHIP_AST2000, NULL),
+        AST_VGA_DEVICE(PCI_CHIP_AST2100, NULL),
+        /*      AST_VGA_DEVICE(PCI_CHIP_AST1180, NULL), - don't bind to 1180 for now */
+        {0, 0, 0},
+};
+
+MODULE_DEVICE_TABLE(pci, pciidlist);
+
+static int __devinit
+ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+        return drm_get_pci_dev(pdev, ent, &driver);
+}
+
+static void
+ast_pci_remove(struct pci_dev *pdev)
+{
+        struct drm_device *dev = pci_get_drvdata(pdev);
+
+        drm_put_dev(dev);
+}
+
+
+
+static int ast_drm_freeze(struct drm_device *dev)
+{
+        drm_kms_helper_poll_disable(dev);
+
+        pci_save_state(dev->pdev);
+
+        console_lock();
+        ast_fbdev_set_suspend(dev, 1);
+        console_unlock();
+        return 0;
+}
+
+static int ast_drm_thaw(struct drm_device *dev)
+{
+        int error = 0;
+
+        ast_post_gpu(dev);
+
+        drm_mode_config_reset(dev);
+        mutex_lock(&dev->mode_config.mutex);
+        drm_helper_resume_force_mode(dev);
+        mutex_unlock(&dev->mode_config.mutex);
+
+        console_lock();
+        ast_fbdev_set_suspend(dev, 0);
+        console_unlock();
+        return error;
+}
+
+static int ast_drm_resume(struct drm_device *dev)
+{
+        int ret;
+
+        if (pci_enable_device(dev->pdev))
+                return -EIO;
+
+        ret = ast_drm_thaw(dev);
+        if (ret)
+                return ret;
+
+        drm_kms_helper_poll_enable(dev);
+        return 0;
+}
+
+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);
+
+        if (!ddev || !ddev->dev_private)
+                return -ENODEV;
+        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 = pciidlist,
+        .probe = ast_pci_probe,
+        .remove = ast_pci_remove,
+        .driver.pm = &ast_pm_ops,
+};
+
+static const struct file_operations ast_fops = {
+        .owner = THIS_MODULE,
+        .open = drm_open,
+        .release = drm_release,
+        .unlocked_ioctl = drm_ioctl,
+        .mmap = ast_mmap,
+        .poll = drm_poll,
+        .fasync = drm_fasync,
+        .read = drm_read,
+};
+
+static struct drm_driver driver = {
+        .driver_features = DRIVER_USE_MTRR | DRIVER_MODESET | DRIVER_GEM,
+        .dev_priv_size = 0,
+
+        .load = ast_driver_load,
+        .unload = ast_driver_unload,
+
+        .fops = &ast_fops,
+        .name = DRIVER_NAME,
+        .desc = DRIVER_DESC,
+        .date = DRIVER_DATE,
+        .major = DRIVER_MAJOR,
+        .minor = DRIVER_MINOR,
+        .patchlevel = DRIVER_PATCHLEVEL,
+
+        .gem_init_object = ast_gem_init_object,
+        .gem_free_object = ast_gem_free_object,
+        .dumb_create = ast_dumb_create,
+        .dumb_map_offset = ast_dumb_mmap_offset,
+        .dumb_destroy = ast_dumb_destroy,
+
+};
+
+static int __init ast_init(void)
+{
+        if (vgacon_text_force() && ast_modeset == -1)
+                return -EINVAL;
+
+        if (ast_modeset == 0)
+                return -EINVAL;
+        return drm_pci_init(&driver, &ast_pci_driver);
+}
+static void __exit ast_exit(void)
+{
+        drm_pci_exit(&driver, &ast_pci_driver);
+}
+
+module_init(ast_init);
+module_exit(ast_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");
+