diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h new file mode 100644 index 000000000..924009dd2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: MIT */ +#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_ref; + 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; + int gpu_speedo_id; +}; + +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; + /* + * Whether the chip requires a reference clock + */ + bool require_ref_clk; + /* + * Whether the chip requires the VDD regulator + */ + bool require_vdd; +}; + +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 |