Loading...
1/* SPDX-License-Identifier: MIT */
2#ifndef __NVKM_DEVICE_H__
3#define __NVKM_DEVICE_H__
4#include <core/oclass.h>
5#include <core/intr.h>
6enum nvkm_subdev_type;
7
8enum nvkm_device_type {
9 NVKM_DEVICE_PCI,
10 NVKM_DEVICE_AGP,
11 NVKM_DEVICE_PCIE,
12 NVKM_DEVICE_TEGRA,
13};
14
15struct nvkm_device {
16 const struct nvkm_device_func *func;
17 const struct nvkm_device_quirk *quirk;
18 struct device *dev;
19 enum nvkm_device_type type;
20 u64 handle;
21 const char *name;
22 const char *cfgopt;
23 const char *dbgopt;
24
25 struct list_head head;
26 struct mutex mutex;
27 int refcount;
28
29 void __iomem *pri;
30
31 u32 debug;
32
33 const struct nvkm_device_chip *chip;
34 enum {
35 NV_04 = 0x04,
36 NV_10 = 0x10,
37 NV_11 = 0x11,
38 NV_20 = 0x20,
39 NV_30 = 0x30,
40 NV_40 = 0x40,
41 NV_50 = 0x50,
42 NV_C0 = 0xc0,
43 NV_E0 = 0xe0,
44 GM100 = 0x110,
45 GP100 = 0x130,
46 GV100 = 0x140,
47 TU100 = 0x160,
48 GA100 = 0x170,
49 AD100 = 0x190,
50 } card_type;
51 u32 chipset;
52 u8 chiprev;
53 u32 crystal;
54
55 struct {
56 struct notifier_block nb;
57 } acpi;
58
59#define NVKM_LAYOUT_ONCE(type,data,ptr) data *ptr;
60#define NVKM_LAYOUT_INST(type,data,ptr,cnt) data *ptr[cnt];
61#include <core/layout.h>
62#undef NVKM_LAYOUT_INST
63#undef NVKM_LAYOUT_ONCE
64 struct list_head subdev;
65
66 struct {
67 struct list_head intr;
68 struct list_head prio[NVKM_INTR_PRIO_NR];
69 spinlock_t lock;
70 int irq;
71 bool alloc;
72 bool armed;
73 bool legacy_done;
74 } intr;
75};
76
77struct nvkm_subdev *nvkm_device_subdev(struct nvkm_device *, int type, int inst);
78struct nvkm_engine *nvkm_device_engine(struct nvkm_device *, int type, int inst);
79
80struct nvkm_device_func {
81 struct nvkm_device_pci *(*pci)(struct nvkm_device *);
82 struct nvkm_device_tegra *(*tegra)(struct nvkm_device *);
83 void *(*dtor)(struct nvkm_device *);
84 int (*preinit)(struct nvkm_device *);
85 int (*init)(struct nvkm_device *);
86 void (*fini)(struct nvkm_device *, bool suspend);
87 int (*irq)(struct nvkm_device *);
88 resource_size_t (*resource_addr)(struct nvkm_device *, unsigned bar);
89 resource_size_t (*resource_size)(struct nvkm_device *, unsigned bar);
90 bool cpu_coherent;
91};
92
93struct nvkm_device_quirk {
94 u8 tv_pin_mask;
95 u8 tv_gpio;
96};
97
98struct nvkm_device_chip {
99 const char *name;
100#define NVKM_LAYOUT_ONCE(type,data,ptr,...) \
101 struct { \
102 u32 inst; \
103 int (*ctor)(struct nvkm_device *, enum nvkm_subdev_type, int inst, data **); \
104 } ptr;
105#define NVKM_LAYOUT_INST(A...) NVKM_LAYOUT_ONCE(A)
106#include <core/layout.h>
107#undef NVKM_LAYOUT_INST
108#undef NVKM_LAYOUT_ONCE
109};
110
111struct nvkm_device *nvkm_device_find(u64 name);
112int nvkm_device_list(u64 *name, int size);
113
114/* privileged register interface accessor macros */
115#define nvkm_rd08(d,a) ioread8((d)->pri + (a))
116#define nvkm_rd16(d,a) ioread16_native((d)->pri + (a))
117#define nvkm_rd32(d,a) ioread32_native((d)->pri + (a))
118#define nvkm_wr08(d,a,v) iowrite8((v), (d)->pri + (a))
119#define nvkm_wr16(d,a,v) iowrite16_native((v), (d)->pri + (a))
120#define nvkm_wr32(d,a,v) iowrite32_native((v), (d)->pri + (a))
121#define nvkm_mask(d,a,m,v) ({ \
122 struct nvkm_device *_device = (d); \
123 u32 _addr = (a), _temp = nvkm_rd32(_device, _addr); \
124 nvkm_wr32(_device, _addr, (_temp & ~(m)) | (v)); \
125 _temp; \
126})
127
128void nvkm_device_del(struct nvkm_device **);
129
130struct nvkm_device_oclass {
131 int (*ctor)(struct nvkm_device *, const struct nvkm_oclass *,
132 void *data, u32 size, struct nvkm_object **);
133 struct nvkm_sclass base;
134};
135
136extern const struct nvkm_sclass nvkm_udevice_sclass;
137
138/* device logging */
139#define nvdev_printk_(d,l,p,f,a...) do { \
140 const struct nvkm_device *_device = (d); \
141 if (_device->debug >= (l)) \
142 dev_##p(_device->dev, f, ##a); \
143} while(0)
144#define nvdev_printk(d,l,p,f,a...) nvdev_printk_((d), NV_DBG_##l, p, f, ##a)
145#define nvdev_fatal(d,f,a...) nvdev_printk((d), FATAL, crit, f, ##a)
146#define nvdev_error(d,f,a...) nvdev_printk((d), ERROR, err, f, ##a)
147#define nvdev_warn(d,f,a...) nvdev_printk((d), WARN, notice, f, ##a)
148#define nvdev_info(d,f,a...) nvdev_printk((d), INFO, info, f, ##a)
149#define nvdev_debug(d,f,a...) nvdev_printk((d), DEBUG, info, f, ##a)
150#define nvdev_trace(d,f,a...) nvdev_printk((d), TRACE, info, f, ##a)
151#define nvdev_spam(d,f,a...) nvdev_printk((d), SPAM, dbg, f, ##a)
152#endif