1 #ifndef __NOUVEAU_DEVICE_H__
2 #define __NOUVEAU_DEVICE_H__
3 
4 #include <core/object.h>
5 #include <core/subdev.h>
6 #include <core/engine.h>
7 
8 enum nv_subdev_type {
9 	NVDEV_ENGINE_DEVICE,
10 	NVDEV_SUBDEV_VBIOS,
11 
12 	/* All subdevs from DEVINIT to DEVINIT_LAST will be created before
13 	 * *any* of them are initialised.  This subdev category is used
14 	 * for any subdevs that the VBIOS init table parsing may call out
15 	 * to during POST.
16 	 */
17 	NVDEV_SUBDEV_DEVINIT,
18 	NVDEV_SUBDEV_GPIO,
19 	NVDEV_SUBDEV_I2C,
20 	NVDEV_SUBDEV_DEVINIT_LAST = NVDEV_SUBDEV_I2C,
21 
22 	/* This grouping of subdevs are initialised right after they've
23 	 * been created, and are allowed to assume any subdevs in the
24 	 * list above them exist and have been initialised.
25 	 */
26 	NVDEV_SUBDEV_MXM,
27 	NVDEV_SUBDEV_MC,
28 	NVDEV_SUBDEV_BUS,
29 	NVDEV_SUBDEV_TIMER,
30 	NVDEV_SUBDEV_FB,
31 	NVDEV_SUBDEV_LTCG,
32 	NVDEV_SUBDEV_IBUS,
33 	NVDEV_SUBDEV_INSTMEM,
34 	NVDEV_SUBDEV_VM,
35 	NVDEV_SUBDEV_BAR,
36 	NVDEV_SUBDEV_PWR,
37 	NVDEV_SUBDEV_VOLT,
38 	NVDEV_SUBDEV_THERM,
39 	NVDEV_SUBDEV_CLOCK,
40 
41 	NVDEV_ENGINE_FIRST,
42 	NVDEV_ENGINE_DMAOBJ = NVDEV_ENGINE_FIRST,
43 	NVDEV_ENGINE_IFB,
44 	NVDEV_ENGINE_FIFO,
45 	NVDEV_ENGINE_SW,
46 	NVDEV_ENGINE_GR,
47 	NVDEV_ENGINE_MPEG,
48 	NVDEV_ENGINE_ME,
49 	NVDEV_ENGINE_VP,
50 	NVDEV_ENGINE_CRYPT,
51 	NVDEV_ENGINE_BSP,
52 	NVDEV_ENGINE_PPP,
53 	NVDEV_ENGINE_COPY0,
54 	NVDEV_ENGINE_COPY1,
55 	NVDEV_ENGINE_COPY2,
56 	NVDEV_ENGINE_VIC,
57 	NVDEV_ENGINE_VENC,
58 	NVDEV_ENGINE_DISP,
59 	NVDEV_ENGINE_PERFMON,
60 
61 	NVDEV_SUBDEV_NR,
62 };
63 
64 struct nouveau_device {
65 	struct nouveau_engine base;
66 	struct list_head head;
67 
68 	struct pci_dev *pdev;
69 	struct platform_device *platformdev;
70 	u64 handle;
71 
72 	const char *cfgopt;
73 	const char *dbgopt;
74 	const char *name;
75 	const char *cname;
76 	u64 disable_mask;
77 
78 	enum {
79 		NV_04    = 0x04,
80 		NV_10    = 0x10,
81 		NV_11    = 0x11,
82 		NV_20    = 0x20,
83 		NV_30    = 0x30,
84 		NV_40    = 0x40,
85 		NV_50    = 0x50,
86 		NV_C0    = 0xc0,
87 		NV_D0    = 0xd0,
88 		NV_E0    = 0xe0,
89 		GM100    = 0x110,
90 	} card_type;
91 	u32 chipset;
92 	u32 crystal;
93 
94 	struct nouveau_oclass *oclass[NVDEV_SUBDEV_NR];
95 	struct nouveau_object *subdev[NVDEV_SUBDEV_NR];
96 };
97 
98 static inline struct nouveau_device *
nv_device(void * obj)99 nv_device(void *obj)
100 {
101 	struct nouveau_object *object = nv_object(obj);
102 	struct nouveau_object *device = object;
103 
104 	if (device->engine)
105 		device = device->engine;
106 	if (device->parent)
107 		device = device->parent;
108 
109 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
110 	if (unlikely(!nv_iclass(device, NV_SUBDEV_CLASS) ||
111 		     (nv_hclass(device) & 0xff) != NVDEV_ENGINE_DEVICE)) {
112 		nv_assert("BAD CAST -> NvDevice, 0x%08x 0x%08x",
113 			  nv_hclass(object), nv_hclass(device));
114 	}
115 #endif
116 
117 	return (void *)device;
118 }
119 
120 static inline struct nouveau_subdev *
nouveau_subdev(void * obj,int sub)121 nouveau_subdev(void *obj, int sub)
122 {
123 	if (nv_device(obj)->subdev[sub])
124 		return nv_subdev(nv_device(obj)->subdev[sub]);
125 	return NULL;
126 }
127 
128 static inline struct nouveau_engine *
nouveau_engine(void * obj,int sub)129 nouveau_engine(void *obj, int sub)
130 {
131 	struct nouveau_subdev *subdev = nouveau_subdev(obj, sub);
132 	if (subdev && nv_iclass(subdev, NV_ENGINE_CLASS))
133 		return nv_engine(subdev);
134 	return NULL;
135 }
136 
137 static inline bool
nv_device_match(struct nouveau_object * object,u16 dev,u16 ven,u16 sub)138 nv_device_match(struct nouveau_object *object, u16 dev, u16 ven, u16 sub)
139 {
140 	struct nouveau_device *device = nv_device(object);
141 	return device->pdev->device == dev &&
142 	       device->pdev->subsystem_vendor == ven &&
143 	       device->pdev->subsystem_device == sub;
144 }
145 
146 static inline bool
nv_device_is_pci(struct nouveau_device * device)147 nv_device_is_pci(struct nouveau_device *device)
148 {
149 	return device->pdev != NULL;
150 }
151 
152 static inline struct device *
nv_device_base(struct nouveau_device * device)153 nv_device_base(struct nouveau_device *device)
154 {
155 	return nv_device_is_pci(device)
156 	    ? pci_dev_dev(device->pdev)
157 	    : platform_device_dev(device->platformdev);
158 }
159 
160 #ifdef __NetBSD__
161 bus_space_tag_t
162 nv_device_resource_tag(struct nouveau_device *device, unsigned int bar);
163 #endif
164 
165 resource_size_t
166 nv_device_resource_start(struct nouveau_device *device, unsigned int bar);
167 
168 resource_size_t
169 nv_device_resource_len(struct nouveau_device *device, unsigned int bar);
170 
171 #ifndef __NetBSD__
172 dma_addr_t
173 nv_device_map_page(struct nouveau_device *device, struct page *page);
174 
175 void
176 nv_device_unmap_page(struct nouveau_device *device, dma_addr_t addr);
177 
178 int
179 nv_device_get_irq(struct nouveau_device *device, bool stall);
180 #endif
181 
182 #endif
183