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path: root/drivers/gpu/drm/msm/msm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c776
1 files changed, 776 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
new file mode 100644
index 000000000000..864c9773636b
--- /dev/null
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -0,0 +1,776 @@
+/*
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "msm_drv.h"
+#include "msm_gpu.h"
+
+#include <mach/iommu.h>
+
+static void msm_fb_output_poll_changed(struct drm_device *dev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ if (priv->fbdev)
+ drm_fb_helper_hotplug_event(priv->fbdev);
+}
+
+static const struct drm_mode_config_funcs mode_config_funcs = {
+ .fb_create = msm_framebuffer_create,
+ .output_poll_changed = msm_fb_output_poll_changed,
+};
+
+static int msm_fault_handler(struct iommu_domain *iommu, struct device *dev,
+ unsigned long iova, int flags, void *arg)
+{
+ DBG("*** fault: iova=%08lx, flags=%d", iova, flags);
+ return 0;
+}
+
+int msm_register_iommu(struct drm_device *dev, struct iommu_domain *iommu)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ int idx = priv->num_iommus++;
+
+ if (WARN_ON(idx >= ARRAY_SIZE(priv->iommus)))
+ return -EINVAL;
+
+ priv->iommus[idx] = iommu;
+
+ iommu_set_fault_handler(iommu, msm_fault_handler, dev);
+
+ /* need to iommu_attach_device() somewhere?? on resume?? */
+
+ return idx;
+}
+
+int msm_iommu_attach(struct drm_device *dev, struct iommu_domain *iommu,
+ const char **names, int cnt)
+{
+ int i, ret;
+
+ for (i = 0; i < cnt; i++) {
+ struct device *ctx = msm_iommu_get_ctx(names[i]);
+ if (!ctx)
+ continue;
+ ret = iommu_attach_device(iommu, ctx);
+ if (ret) {
+ dev_warn(dev->dev, "could not attach iommu to %s", names[i]);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+#ifdef CONFIG_DRM_MSM_REGISTER_LOGGING
+static bool reglog = false;
+MODULE_PARM_DESC(reglog, "Enable register read/write logging");
+module_param(reglog, bool, 0600);
+#else
+#define reglog 0
+#endif
+
+void __iomem *msm_ioremap(struct platform_device *pdev, const char *name,
+ const char *dbgname)
+{
+ struct resource *res;
+ unsigned long size;
+ void __iomem *ptr;
+
+ if (name)
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
+ else
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ if (!res) {
+ dev_err(&pdev->dev, "failed to get memory resource: %s\n", name);
+ return ERR_PTR(-EINVAL);
+ }
+
+ size = resource_size(res);
+
+ ptr = devm_ioremap_nocache(&pdev->dev, res->start, size);
+ if (!ptr) {
+ dev_err(&pdev->dev, "failed to ioremap: %s\n", name);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ if (reglog)
+ printk(KERN_DEBUG "IO:region %s %08x %08lx\n", dbgname, (u32)ptr, size);
+
+ return ptr;
+}
+
+void msm_writel(u32 data, void __iomem *addr)
+{
+ if (reglog)
+ printk(KERN_DEBUG "IO:W %08x %08x\n", (u32)addr, data);
+ writel(data, addr);
+}
+
+u32 msm_readl(const void __iomem *addr)
+{
+ u32 val = readl(addr);
+ if (reglog)
+ printk(KERN_ERR "IO:R %08x %08x\n", (u32)addr, val);
+ return val;
+}
+
+/*
+ * DRM operations:
+ */
+
+static int msm_unload(struct drm_device *dev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_kms *kms = priv->kms;
+ struct msm_gpu *gpu = priv->gpu;
+
+ drm_kms_helper_poll_fini(dev);
+ drm_mode_config_cleanup(dev);
+ drm_vblank_cleanup(dev);
+
+ pm_runtime_get_sync(dev->dev);
+ drm_irq_uninstall(dev);
+ pm_runtime_put_sync(dev->dev);
+
+ flush_workqueue(priv->wq);
+ destroy_workqueue(priv->wq);
+
+ if (kms) {
+ pm_runtime_disable(dev->dev);
+ kms->funcs->destroy(kms);
+ }
+
+ if (gpu) {
+ mutex_lock(&dev->struct_mutex);
+ gpu->funcs->pm_suspend(gpu);
+ gpu->funcs->destroy(gpu);
+ mutex_unlock(&dev->struct_mutex);
+ }
+
+ dev->dev_private = NULL;
+
+ kfree(priv);
+
+ return 0;
+}
+
+static int msm_load(struct drm_device *dev, unsigned long flags)
+{
+ struct platform_device *pdev = dev->platformdev;
+ struct msm_drm_private *priv;
+ struct msm_kms *kms;
+ int ret;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv) {
+ dev_err(dev->dev, "failed to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ dev->dev_private = priv;
+
+ priv->wq = alloc_ordered_workqueue("msm", 0);
+ init_waitqueue_head(&priv->fence_event);
+
+ INIT_LIST_HEAD(&priv->inactive_list);
+
+ drm_mode_config_init(dev);
+
+ kms = mdp4_kms_init(dev);
+ if (IS_ERR(kms)) {
+ /*
+ * NOTE: once we have GPU support, having no kms should not
+ * be considered fatal.. ideally we would still support gpu
+ * and (for example) use dmabuf/prime to share buffers with
+ * imx drm driver on iMX5
+ */
+ dev_err(dev->dev, "failed to load kms\n");
+ ret = PTR_ERR(priv->kms);
+ goto fail;
+ }
+
+ priv->kms = kms;
+
+ if (kms) {
+ pm_runtime_enable(dev->dev);
+ ret = kms->funcs->hw_init(kms);
+ if (ret) {
+ dev_err(dev->dev, "kms hw init failed: %d\n", ret);
+ goto fail;
+ }
+ }
+
+ dev->mode_config.min_width = 0;
+ dev->mode_config.min_height = 0;
+ dev->mode_config.max_width = 2048;
+ dev->mode_config.max_height = 2048;
+ dev->mode_config.funcs = &mode_config_funcs;
+
+ ret = drm_vblank_init(dev, 1);
+ if (ret < 0) {
+ dev_err(dev->dev, "failed to initialize vblank\n");
+ goto fail;
+ }
+
+ pm_runtime_get_sync(dev->dev);
+ ret = drm_irq_install(dev);
+ pm_runtime_put_sync(dev->dev);
+ if (ret < 0) {
+ dev_err(dev->dev, "failed to install IRQ handler\n");
+ goto fail;
+ }
+
+ platform_set_drvdata(pdev, dev);
+
+#ifdef CONFIG_DRM_MSM_FBDEV
+ priv->fbdev = msm_fbdev_init(dev);
+#endif
+
+ drm_kms_helper_poll_init(dev);
+
+ return 0;
+
+fail:
+ msm_unload(dev);
+ return ret;
+}
+
+static void load_gpu(struct drm_device *dev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_gpu *gpu;
+
+ if (priv->gpu)
+ return;
+
+ mutex_lock(&dev->struct_mutex);
+ gpu = a3xx_gpu_init(dev);
+ if (IS_ERR(gpu)) {
+ dev_warn(dev->dev, "failed to load a3xx gpu\n");
+ gpu = NULL;
+ /* not fatal */
+ }
+ mutex_unlock(&dev->struct_mutex);
+
+ if (gpu) {
+ int ret;
+ gpu->funcs->pm_resume(gpu);
+ ret = gpu->funcs->hw_init(gpu);
+ if (ret) {
+ dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
+ gpu->funcs->destroy(gpu);
+ gpu = NULL;
+ }
+ }
+
+ priv->gpu = gpu;
+}
+
+static int msm_open(struct drm_device *dev, struct drm_file *file)
+{
+ struct msm_file_private *ctx;
+
+ /* For now, load gpu on open.. to avoid the requirement of having
+ * firmware in the initrd.
+ */
+ load_gpu(dev);
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ file->driver_priv = ctx;
+
+ return 0;
+}
+
+static void msm_preclose(struct drm_device *dev, struct drm_file *file)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_file_private *ctx = file->driver_priv;
+ struct msm_kms *kms = priv->kms;
+
+ if (kms)
+ kms->funcs->preclose(kms, file);
+
+ mutex_lock(&dev->struct_mutex);
+ if (ctx == priv->lastctx)
+ priv->lastctx = NULL;
+ mutex_unlock(&dev->struct_mutex);
+
+ kfree(ctx);
+}
+
+static void msm_lastclose(struct drm_device *dev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ if (priv->fbdev) {
+ drm_modeset_lock_all(dev);
+ drm_fb_helper_restore_fbdev_mode(priv->fbdev);
+ drm_modeset_unlock_all(dev);
+ }
+}
+
+static irqreturn_t msm_irq(DRM_IRQ_ARGS)
+{
+ struct drm_device *dev = arg;
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_kms *kms = priv->kms;
+ BUG_ON(!kms);
+ return kms->funcs->irq(kms);
+}
+
+static void msm_irq_preinstall(struct drm_device *dev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_kms *kms = priv->kms;
+ BUG_ON(!kms);
+ kms->funcs->irq_preinstall(kms);
+}
+
+static int msm_irq_postinstall(struct drm_device *dev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_kms *kms = priv->kms;
+ BUG_ON(!kms);
+ return kms->funcs->irq_postinstall(kms);
+}
+
+static void msm_irq_uninstall(struct drm_device *dev)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_kms *kms = priv->kms;
+ BUG_ON(!kms);
+ kms->funcs->irq_uninstall(kms);
+}
+
+static int msm_enable_vblank(struct drm_device *dev, int crtc_id)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_kms *kms = priv->kms;
+ if (!kms)
+ return -ENXIO;
+ DBG("dev=%p, crtc=%d", dev, crtc_id);
+ return kms->funcs->enable_vblank(kms, priv->crtcs[crtc_id]);
+}
+
+static void msm_disable_vblank(struct drm_device *dev, int crtc_id)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_kms *kms = priv->kms;
+ if (!kms)
+ return;
+ DBG("dev=%p, crtc=%d", dev, crtc_id);
+ kms->funcs->disable_vblank(kms, priv->crtcs[crtc_id]);
+}
+
+/*
+ * DRM debugfs:
+ */
+
+#ifdef CONFIG_DEBUG_FS
+static int msm_gpu_show(struct drm_device *dev, struct seq_file *m)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_gpu *gpu = priv->gpu;
+
+ if (gpu) {
+ seq_printf(m, "%s Status:\n", gpu->name);
+ gpu->funcs->show(gpu, m);
+ }
+
+ return 0;
+}
+
+static int msm_gem_show(struct drm_device *dev, struct seq_file *m)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct msm_gpu *gpu = priv->gpu;
+
+ if (gpu) {
+ seq_printf(m, "Active Objects (%s):\n", gpu->name);
+ msm_gem_describe_objects(&gpu->active_list, m);
+ }
+
+ seq_printf(m, "Inactive Objects:\n");
+ msm_gem_describe_objects(&priv->inactive_list, m);
+
+ return 0;
+}
+
+static int msm_mm_show(struct drm_device *dev, struct seq_file *m)
+{
+ return drm_mm_dump_table(m, dev->mm_private);
+}
+
+static int msm_fb_show(struct drm_device *dev, struct seq_file *m)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct drm_framebuffer *fb, *fbdev_fb = NULL;
+
+ if (priv->fbdev) {
+ seq_printf(m, "fbcon ");
+ fbdev_fb = priv->fbdev->fb;
+ msm_framebuffer_describe(fbdev_fb, m);
+ }
+
+ mutex_lock(&dev->mode_config.fb_lock);
+ list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+ if (fb == fbdev_fb)
+ continue;
+
+ seq_printf(m, "user ");
+ msm_framebuffer_describe(fb, m);
+ }
+ mutex_unlock(&dev->mode_config.fb_lock);
+
+ return 0;
+}
+
+static int show_locked(struct seq_file *m, void *arg)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ int (*show)(struct drm_device *dev, struct seq_file *m) =
+ node->info_ent->data;
+ int ret;
+
+ ret = mutex_lock_interruptible(&dev->struct_mutex);
+ if (ret)
+ return ret;
+
+ ret = show(dev, m);
+
+ mutex_unlock(&dev->struct_mutex);
+
+ return ret;
+}
+
+static struct drm_info_list msm_debugfs_list[] = {
+ {"gpu", show_locked, 0, msm_gpu_show},
+ {"gem", show_locked, 0, msm_gem_show},
+ { "mm", show_locked, 0, msm_mm_show },
+ { "fb", show_locked, 0, msm_fb_show },
+};
+
+static int msm_debugfs_init(struct drm_minor *minor)
+{
+ struct drm_device *dev = minor->dev;
+ int ret;
+
+ ret = drm_debugfs_create_files(msm_debugfs_list,
+ ARRAY_SIZE(msm_debugfs_list),
+ minor->debugfs_root, minor);
+
+ if (ret) {
+ dev_err(dev->dev, "could not install msm_debugfs_list\n");
+ return ret;
+ }
+
+ return ret;
+}
+
+static void msm_debugfs_cleanup(struct drm_minor *minor)
+{
+ drm_debugfs_remove_files(msm_debugfs_list,
+ ARRAY_SIZE(msm_debugfs_list), minor);
+}
+#endif
+
+/*
+ * Fences:
+ */
+
+int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence,
+ struct timespec *timeout)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ unsigned long timeout_jiffies = timespec_to_jiffies(timeout);
+ unsigned long start_jiffies = jiffies;
+ unsigned long remaining_jiffies;
+ int ret;
+
+ if (time_after(start_jiffies, timeout_jiffies))
+ remaining_jiffies = 0;
+ else
+ remaining_jiffies = timeout_jiffies - start_jiffies;
+
+ ret = wait_event_interruptible_timeout(priv->fence_event,
+ priv->completed_fence >= fence,
+ remaining_jiffies);
+ if (ret == 0) {
+ DBG("timeout waiting for fence: %u (completed: %u)",
+ fence, priv->completed_fence);
+ ret = -ETIMEDOUT;
+ } else if (ret != -ERESTARTSYS) {
+ ret = 0;
+ }
+
+ return ret;
+}
+
+/* call under struct_mutex */
+void msm_update_fence(struct drm_device *dev, uint32_t fence)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+
+ if (fence > priv->completed_fence) {
+ priv->completed_fence = fence;
+ wake_up_all(&priv->fence_event);
+ }
+}
+
+/*
+ * DRM ioctls:
+ */
+
+static int msm_ioctl_get_param(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct msm_drm_private *priv = dev->dev_private;
+ struct drm_msm_param *args = data;
+ struct msm_gpu *gpu;
+
+ /* for now, we just have 3d pipe.. eventually this would need to
+ * be more clever to dispatch to appropriate gpu module:
+ */
+ if (args->pipe != MSM_PIPE_3D0)
+ return -EINVAL;
+
+ gpu = priv->gpu;
+
+ if (!gpu)
+ return -ENXIO;
+
+ return gpu->funcs->get_param(gpu, args->param, &args->value);
+}
+
+static int msm_ioctl_gem_new(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct drm_msm_gem_new *args = data;
+ return msm_gem_new_handle(dev, file, args->size,
+ args->flags, &args->handle);
+}
+
+#define TS(t) ((struct timespec){ .tv_sec = (t).tv_sec, .tv_nsec = (t).tv_nsec })
+
+static int msm_ioctl_gem_cpu_prep(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct drm_msm_gem_cpu_prep *args = data;
+ struct drm_gem_object *obj;
+ int ret;
+
+ obj = drm_gem_object_lookup(dev, file, args->handle);
+ if (!obj)
+ return -ENOENT;
+
+ ret = msm_gem_cpu_prep(obj, args->op, &TS(args->timeout));
+
+ drm_gem_object_unreference_unlocked(obj);
+
+ return ret;
+}
+
+static int msm_ioctl_gem_cpu_fini(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct drm_msm_gem_cpu_fini *args = data;
+ struct drm_gem_object *obj;
+ int ret;
+
+ obj = drm_gem_object_lookup(dev, file, args->handle);
+ if (!obj)
+ return -ENOENT;
+
+ ret = msm_gem_cpu_fini(obj);
+
+ drm_gem_object_unreference_unlocked(obj);
+
+ return ret;
+}
+
+static int msm_ioctl_gem_info(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct drm_msm_gem_info *args = data;
+ struct drm_gem_object *obj;
+ int ret = 0;
+
+ if (args->pad)
+ return -EINVAL;
+
+ obj = drm_gem_object_lookup(dev, file, args->handle);
+ if (!obj)
+ return -ENOENT;
+
+ args->offset = msm_gem_mmap_offset(obj);
+
+ drm_gem_object_unreference_unlocked(obj);
+
+ return ret;
+}
+
+static int msm_ioctl_wait_fence(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct drm_msm_wait_fence *args = data;
+ return msm_wait_fence_interruptable(dev, args->fence, &TS(args->timeout));
+}
+
+static const struct drm_ioctl_desc msm_ioctls[] = {
+ DRM_IOCTL_DEF_DRV(MSM_GET_PARAM, msm_ioctl_get_param, DRM_UNLOCKED|DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_NEW, msm_ioctl_gem_new, DRM_UNLOCKED|DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_INFO, msm_ioctl_gem_info, DRM_UNLOCKED|DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_PREP, msm_ioctl_gem_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_FINI, msm_ioctl_gem_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_SUBMIT, msm_ioctl_gem_submit, DRM_UNLOCKED|DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(MSM_WAIT_FENCE, msm_ioctl_wait_fence, DRM_UNLOCKED|DRM_AUTH),
+};
+
+static const struct vm_operations_struct vm_ops = {
+ .fault = msm_gem_fault,
+ .open = drm_gem_vm_open,
+ .close = drm_gem_vm_close,
+};
+
+static const struct file_operations fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .unlocked_ioctl = drm_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
+ .poll = drm_poll,
+ .read = drm_read,
+ .llseek = no_llseek,
+ .mmap = msm_gem_mmap,
+};
+
+static struct drm_driver msm_driver = {
+ .driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM | DRIVER_MODESET,
+ .load = msm_load,
+ .unload = msm_unload,
+ .open = msm_open,
+ .preclose = msm_preclose,
+ .lastclose = msm_lastclose,
+ .irq_handler = msm_irq,
+ .irq_preinstall = msm_irq_preinstall,
+ .irq_postinstall = msm_irq_postinstall,
+ .irq_uninstall = msm_irq_uninstall,
+ .get_vblank_counter = drm_vblank_count,
+ .enable_vblank = msm_enable_vblank,
+ .disable_vblank = msm_disable_vblank,
+ .gem_free_object = msm_gem_free_object,
+ .gem_vm_ops = &vm_ops,
+ .dumb_create = msm_gem_dumb_create,
+ .dumb_map_offset = msm_gem_dumb_map_offset,
+ .dumb_destroy = msm_gem_dumb_destroy,
+#ifdef CONFIG_DEBUG_FS
+ .debugfs_init = msm_debugfs_init,
+ .debugfs_cleanup = msm_debugfs_cleanup,
+#endif
+ .ioctls = msm_ioctls,
+ .num_ioctls = DRM_MSM_NUM_IOCTLS,
+ .fops = &fops,
+ .name = "msm",
+ .desc = "MSM Snapdragon DRM",
+ .date = "20130625",
+ .major = 1,
+ .minor = 0,
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int msm_pm_suspend(struct device *dev)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+
+ drm_kms_helper_poll_disable(ddev);
+
+ return 0;
+}
+
+static int msm_pm_resume(struct device *dev)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+
+ drm_kms_helper_poll_enable(ddev);
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops msm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(msm_pm_suspend, msm_pm_resume)
+};
+
+/*
+ * Platform driver:
+ */
+
+static int msm_pdev_probe(struct platform_device *pdev)
+{
+ return drm_platform_init(&msm_driver, pdev);
+}
+
+static int msm_pdev_remove(struct platform_device *pdev)
+{
+ drm_platform_exit(&msm_driver, pdev);
+
+ return 0;
+}
+
+static const struct platform_device_id msm_id[] = {
+ { "mdp", 0 },
+ { }
+};
+
+static struct platform_driver msm_platform_driver = {
+ .probe = msm_pdev_probe,
+ .remove = msm_pdev_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "msm",
+ .pm = &msm_pm_ops,
+ },
+ .id_table = msm_id,
+};
+
+static int __init msm_drm_register(void)
+{
+ DBG("init");
+ hdmi_register();
+ a3xx_register();
+ return platform_driver_register(&msm_platform_driver);
+}
+
+static void __exit msm_drm_unregister(void)
+{
+ DBG("fini");
+ platform_driver_unregister(&msm_platform_driver);
+ hdmi_unregister();
+ a3xx_unregister();
+}
+
+module_init(msm_drm_register);
+module_exit(msm_drm_unregister);
+
+MODULE_AUTHOR("Rob Clark <robdclark@gmail.com");
+MODULE_DESCRIPTION("MSM DRM Driver");
+MODULE_LICENSE("GPL");