1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
new file mode 100644
index 000000000..efede1f11
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_DEVICE_H__
+#define __NVKM_DEVICE_H__
+#include <core/oclass.h>
+enum nvkm_subdev_type;
+
+enum nvkm_device_type {
+	NVKM_DEVICE_PCI,
+	NVKM_DEVICE_AGP,
+	NVKM_DEVICE_PCIE,
+	NVKM_DEVICE_TEGRA,
+};
+
+struct nvkm_device {
+	const struct nvkm_device_func *func;
+	const struct nvkm_device_quirk *quirk;
+	struct device *dev;
+	enum nvkm_device_type type;
+	u64 handle;
+	const char *name;
+	const char *cfgopt;
+	const char *dbgopt;
+
+	struct list_head head;
+	struct mutex mutex;
+	int refcount;
+
+	void __iomem *pri;
+
+	u32 debug;
+
+	const struct nvkm_device_chip *chip;
+	enum {
+		NV_04    = 0x04,
+		NV_10    = 0x10,
+		NV_11    = 0x11,
+		NV_20    = 0x20,
+		NV_30    = 0x30,
+		NV_40    = 0x40,
+		NV_50    = 0x50,
+		NV_C0    = 0xc0,
+		NV_E0    = 0xe0,
+		GM100    = 0x110,
+		GP100    = 0x130,
+		GV100    = 0x140,
+		TU100    = 0x160,
+		GA100    = 0x170,
+	} card_type;
+	u32 chipset;
+	u8  chiprev;
+	u32 crystal;
+
+	struct {
+		struct notifier_block nb;
+	} acpi;
+
+#define NVKM_LAYOUT_ONCE(type,data,ptr) data *ptr;
+#define NVKM_LAYOUT_INST(type,data,ptr,cnt) data *ptr[cnt];
+#include <core/layout.h>
+#undef NVKM_LAYOUT_INST
+#undef NVKM_LAYOUT_ONCE
+	struct list_head subdev;
+};
+
+struct nvkm_subdev *nvkm_device_subdev(struct nvkm_device *, int type, int inst);
+struct nvkm_engine *nvkm_device_engine(struct nvkm_device *, int type, int inst);
+
+struct nvkm_device_func {
+	struct nvkm_device_pci *(*pci)(struct nvkm_device *);
+	struct nvkm_device_tegra *(*tegra)(struct nvkm_device *);
+	void *(*dtor)(struct nvkm_device *);
+	int (*preinit)(struct nvkm_device *);
+	int (*init)(struct nvkm_device *);
+	void (*fini)(struct nvkm_device *, bool suspend);
+	resource_size_t (*resource_addr)(struct nvkm_device *, unsigned bar);
+	resource_size_t (*resource_size)(struct nvkm_device *, unsigned bar);
+	bool cpu_coherent;
+};
+
+struct nvkm_device_quirk {
+	u8 tv_pin_mask;
+	u8 tv_gpio;
+};
+
+struct nvkm_device_chip {
+	const char *name;
+#define NVKM_LAYOUT_ONCE(type,data,ptr,...)                                                  \
+	struct {                                                                             \
+		u32 inst;                                                                    \
+		int (*ctor)(struct nvkm_device *, enum nvkm_subdev_type, int inst, data **); \
+	} ptr;
+#define NVKM_LAYOUT_INST(A...) NVKM_LAYOUT_ONCE(A)
+#include <core/layout.h>
+#undef NVKM_LAYOUT_INST
+#undef NVKM_LAYOUT_ONCE
+};
+
+struct nvkm_device *nvkm_device_find(u64 name);
+int nvkm_device_list(u64 *name, int size);
+
+/* privileged register interface accessor macros */
+#define nvkm_rd08(d,a) ioread8((d)->pri + (a))
+#define nvkm_rd16(d,a) ioread16_native((d)->pri + (a))
+#define nvkm_rd32(d,a) ioread32_native((d)->pri + (a))
+#define nvkm_wr08(d,a,v) iowrite8((v), (d)->pri + (a))
+#define nvkm_wr16(d,a,v) iowrite16_native((v), (d)->pri + (a))
+#define nvkm_wr32(d,a,v) iowrite32_native((v), (d)->pri + (a))
+#define nvkm_mask(d,a,m,v) ({                                                  \
+	struct nvkm_device *_device = (d);                                     \
+	u32 _addr = (a), _temp = nvkm_rd32(_device, _addr);                    \
+	nvkm_wr32(_device, _addr, (_temp & ~(m)) | (v));                       \
+	_temp;                                                                 \
+})
+
+void nvkm_device_del(struct nvkm_device **);
+
+struct nvkm_device_oclass {
+	int (*ctor)(struct nvkm_device *, const struct nvkm_oclass *,
+		    void *data, u32 size, struct nvkm_object **);
+	struct nvkm_sclass base;
+};
+
+extern const struct nvkm_sclass nvkm_udevice_sclass;
+
+/* device logging */
+#define nvdev_printk_(d,l,p,f,a...) do {                                       \
+	const struct nvkm_device *_device = (d);                               \
+	if (_device->debug >= (l))                                             \
+		dev_##p(_device->dev, f, ##a);                                 \
+} while(0)
+#define nvdev_printk(d,l,p,f,a...) nvdev_printk_((d), NV_DBG_##l, p, f, ##a)
+#define nvdev_fatal(d,f,a...) nvdev_printk((d), FATAL,   crit, f, ##a)
+#define nvdev_error(d,f,a...) nvdev_printk((d), ERROR,    err, f, ##a)
+#define nvdev_warn(d,f,a...)  nvdev_printk((d),  WARN, notice, f, ##a)
+#define nvdev_info(d,f,a...)  nvdev_printk((d),  INFO,   info, f, ##a)
+#define nvdev_debug(d,f,a...) nvdev_printk((d), DEBUG,   info, f, ##a)
+#define nvdev_trace(d,f,a...) nvdev_printk((d), TRACE,   info, f, ##a)
+#define nvdev_spam(d,f,a...)  nvdev_printk((d),  SPAM,    dbg, f, ##a)
+#endif