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1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_DEVICE_H__
3 #define __NVKM_DEVICE_H__
4 #include <core/oclass.h>
5 enum nvkm_subdev_type;
6 
7 enum nvkm_device_type {
8 	NVKM_DEVICE_PCI,
9 	NVKM_DEVICE_AGP,
10 	NVKM_DEVICE_PCIE,
11 	NVKM_DEVICE_TEGRA,
12 };
13 
14 struct nvkm_device {
15 	const struct nvkm_device_func *func;
16 	const struct nvkm_device_quirk *quirk;
17 	struct device *dev;
18 	enum nvkm_device_type type;
19 	u64 handle;
20 	const char *name;
21 	const char *cfgopt;
22 	const char *dbgopt;
23 
24 	struct list_head head;
25 	struct mutex mutex;
26 	int refcount;
27 
28 	void __iomem *pri;
29 
30 	u32 debug;
31 
32 	const struct nvkm_device_chip *chip;
33 	enum {
34 		NV_04    = 0x04,
35 		NV_10    = 0x10,
36 		NV_11    = 0x11,
37 		NV_20    = 0x20,
38 		NV_30    = 0x30,
39 		NV_40    = 0x40,
40 		NV_50    = 0x50,
41 		NV_C0    = 0xc0,
42 		NV_E0    = 0xe0,
43 		GM100    = 0x110,
44 		GP100    = 0x130,
45 		GV100    = 0x140,
46 		TU100    = 0x160,
47 		GA100    = 0x170,
48 	} card_type;
49 	u32 chipset;
50 	u8  chiprev;
51 	u32 crystal;
52 
53 	struct {
54 		struct notifier_block nb;
55 	} acpi;
56 
57 #define NVKM_LAYOUT_ONCE(type,data,ptr) data *ptr;
58 #define NVKM_LAYOUT_INST(type,data,ptr,cnt) data *ptr[cnt];
59 #include <core/layout.h>
60 #undef NVKM_LAYOUT_INST
61 #undef NVKM_LAYOUT_ONCE
62 	struct list_head subdev;
63 };
64 
65 struct nvkm_subdev *nvkm_device_subdev(struct nvkm_device *, int type, int inst);
66 struct nvkm_engine *nvkm_device_engine(struct nvkm_device *, int type, int inst);
67 
68 struct nvkm_device_func {
69 	struct nvkm_device_pci *(*pci)(struct nvkm_device *);
70 	struct nvkm_device_tegra *(*tegra)(struct nvkm_device *);
71 	void *(*dtor)(struct nvkm_device *);
72 	int (*preinit)(struct nvkm_device *);
73 	int (*init)(struct nvkm_device *);
74 	void (*fini)(struct nvkm_device *, bool suspend);
75 	resource_size_t (*resource_addr)(struct nvkm_device *, unsigned bar);
76 	resource_size_t (*resource_size)(struct nvkm_device *, unsigned bar);
77 	bool cpu_coherent;
78 };
79 
80 struct nvkm_device_quirk {
81 	u8 tv_pin_mask;
82 	u8 tv_gpio;
83 };
84 
85 struct nvkm_device_chip {
86 	const char *name;
87 #define NVKM_LAYOUT_ONCE(type,data,ptr,...)                                                  \
88 	struct {                                                                             \
89 		u32 inst;                                                                    \
90 		int (*ctor)(struct nvkm_device *, enum nvkm_subdev_type, int inst, data **); \
91 	} ptr;
92 #define NVKM_LAYOUT_INST(A...) NVKM_LAYOUT_ONCE(A)
93 #include <core/layout.h>
94 #undef NVKM_LAYOUT_INST
95 #undef NVKM_LAYOUT_ONCE
96 };
97 
98 struct nvkm_device *nvkm_device_find(u64 name);
99 int nvkm_device_list(u64 *name, int size);
100 
101 /* privileged register interface accessor macros */
102 #define nvkm_rd08(d,a) ioread8((d)->pri + (a))
103 #define nvkm_rd16(d,a) ioread16_native((d)->pri + (a))
104 #define nvkm_rd32(d,a) ioread32_native((d)->pri + (a))
105 #define nvkm_wr08(d,a,v) iowrite8((v), (d)->pri + (a))
106 #define nvkm_wr16(d,a,v) iowrite16_native((v), (d)->pri + (a))
107 #define nvkm_wr32(d,a,v) iowrite32_native((v), (d)->pri + (a))
108 #define nvkm_mask(d,a,m,v) ({                                                  \
109 	struct nvkm_device *_device = (d);                                     \
110 	u32 _addr = (a), _temp = nvkm_rd32(_device, _addr);                    \
111 	nvkm_wr32(_device, _addr, (_temp & ~(m)) | (v));                       \
112 	_temp;                                                                 \
113 })
114 
115 void nvkm_device_del(struct nvkm_device **);
116 
117 struct nvkm_device_oclass {
118 	int (*ctor)(struct nvkm_device *, const struct nvkm_oclass *,
119 		    void *data, u32 size, struct nvkm_object **);
120 	struct nvkm_sclass base;
121 };
122 
123 extern const struct nvkm_sclass nvkm_udevice_sclass;
124 
125 /* device logging */
126 #define nvdev_printk_(d,l,p,f,a...) do {                                       \
127 	const struct nvkm_device *_device = (d);                               \
128 	if (_device->debug >= (l))                                             \
129 		dev_##p(_device->dev, f, ##a);                                 \
130 } while(0)
131 #define nvdev_printk(d,l,p,f,a...) nvdev_printk_((d), NV_DBG_##l, p, f, ##a)
132 #define nvdev_fatal(d,f,a...) nvdev_printk((d), FATAL,   crit, f, ##a)
133 #define nvdev_error(d,f,a...) nvdev_printk((d), ERROR,    err, f, ##a)
134 #define nvdev_warn(d,f,a...)  nvdev_printk((d),  WARN, notice, f, ##a)
135 #define nvdev_info(d,f,a...)  nvdev_printk((d),  INFO,   info, f, ##a)
136 #define nvdev_debug(d,f,a...) nvdev_printk((d), DEBUG,   info, f, ##a)
137 #define nvdev_trace(d,f,a...) nvdev_printk((d), TRACE,   info, f, ##a)
138 #define nvdev_spam(d,f,a...)  nvdev_printk((d),  SPAM,    dbg, f, ##a)
139 #endif
140