These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / include / nvkm / core / tegra.h

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
new file mode 100644 (file)
index 0000000..16641ce
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
@@ -0,0 +1,46 @@
+#ifndef __NVKM_DEVICE_TEGRA_H__
+#define __NVKM_DEVICE_TEGRA_H__
+#include <core/device.h>
+#include <core/mm.h>
+
+struct nvkm_device_tegra {
+       const struct nvkm_device_tegra_func *func;
+       struct nvkm_device device;
+       struct platform_device *pdev;
+       int irq;
+
+       struct reset_control *rst;
+       struct clk *clk;
+       struct clk *clk_pwr;
+
+       struct regulator *vdd;
+
+       struct {
+               /*
+                * Protects accesses to mm from subsystems
+                */
+               struct mutex mutex;
+
+               struct nvkm_mm mm;
+               struct iommu_domain *domain;
+               unsigned long pgshift;
+       } iommu;
+
+       int gpu_speedo;
+};
+
+struct nvkm_device_tegra_func {
+       /*
+        * If an IOMMU is used, indicates which address bit will trigger a
+        * IOMMU translation when set (when this bit is not set, IOMMU is
+        * bypassed). A value of 0 means an IOMMU is never used.
+        */
+       u8 iommu_bit;
+};
+
+int nvkm_device_tegra_new(const struct nvkm_device_tegra_func *,
+                         struct platform_device *,
+                         const char *cfg, const char *dbg,
+                         bool detect, bool mmio, u64 subdev_mask,
+                         struct nvkm_device **);
+#endif