xref: /openbmc/linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h (revision b24413180f5600bcb3bb70fbed5cf186b60864bd)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NVKM_FB_H__
3 #define __NVKM_FB_H__
4 #include <core/subdev.h>
5 
6 #include <subdev/mmu.h>
7 
8 /* memory type/access flags, do not match hardware values */
9 #define NV_MEM_ACCESS_RO  1
10 #define NV_MEM_ACCESS_WO  2
11 #define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
12 #define NV_MEM_ACCESS_SYS 4
13 #define NV_MEM_ACCESS_VM  8
14 #define NV_MEM_ACCESS_NOSNOOP 16
15 
16 #define NV_MEM_TARGET_VRAM        0
17 #define NV_MEM_TARGET_PCI         1
18 #define NV_MEM_TARGET_PCI_NOSNOOP 2
19 #define NV_MEM_TARGET_VM          3
20 #define NV_MEM_TARGET_GART        4
21 
22 #define NVKM_RAM_TYPE_VM 0x7f
23 #define NV_MEM_COMP_VM 0x03
24 
25 struct nvkm_mem {
26 	struct drm_device *dev;
27 
28 	struct nvkm_vma bar_vma;
29 	struct nvkm_vma vma[2];
30 	u8  page_shift;
31 
32 	struct nvkm_mm_node *tag;
33 	struct nvkm_mm_node *mem;
34 	dma_addr_t *pages;
35 	u32 memtype;
36 	u64 offset;
37 	u64 size;
38 	struct sg_table *sg;
39 };
40 
41 struct nvkm_fb_tile {
42 	struct nvkm_mm_node *tag;
43 	u32 addr;
44 	u32 limit;
45 	u32 pitch;
46 	u32 zcomp;
47 };
48 
49 struct nvkm_fb {
50 	const struct nvkm_fb_func *func;
51 	struct nvkm_subdev subdev;
52 
53 	struct nvkm_ram *ram;
54 
55 	struct {
56 		struct nvkm_fb_tile region[16];
57 		int regions;
58 	} tile;
59 
60 	u8 page;
61 
62 	struct nvkm_memory *mmu_rd;
63 	struct nvkm_memory *mmu_wr;
64 };
65 
66 bool nvkm_fb_memtype_valid(struct nvkm_fb *, u32 memtype);
67 void nvkm_fb_tile_init(struct nvkm_fb *, int region, u32 addr, u32 size,
68 		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
69 void nvkm_fb_tile_fini(struct nvkm_fb *, int region, struct nvkm_fb_tile *);
70 void nvkm_fb_tile_prog(struct nvkm_fb *, int region, struct nvkm_fb_tile *);
71 
72 int nv04_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
73 int nv10_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
74 int nv1a_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
75 int nv20_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
76 int nv25_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
77 int nv30_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
78 int nv35_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
79 int nv36_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
80 int nv40_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
81 int nv41_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
82 int nv44_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
83 int nv46_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
84 int nv47_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
85 int nv49_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
86 int nv4e_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
87 int nv50_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
88 int g84_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
89 int gt215_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
90 int mcp77_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
91 int mcp89_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
92 int gf100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
93 int gf108_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
94 int gk104_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
95 int gk20a_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
96 int gm107_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
97 int gm200_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
98 int gm20b_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
99 int gp100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
100 int gp102_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
101 int gp10b_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
102 
103 #include <subdev/bios.h>
104 #include <subdev/bios/ramcfg.h>
105 
106 struct nvkm_ram_data {
107 	struct list_head head;
108 	struct nvbios_ramcfg bios;
109 	u32 freq;
110 };
111 
112 enum nvkm_ram_type {
113 	NVKM_RAM_TYPE_UNKNOWN = 0,
114 	NVKM_RAM_TYPE_STOLEN,
115 	NVKM_RAM_TYPE_SGRAM,
116 	NVKM_RAM_TYPE_SDRAM,
117 	NVKM_RAM_TYPE_DDR1,
118 	NVKM_RAM_TYPE_DDR2,
119 	NVKM_RAM_TYPE_DDR3,
120 	NVKM_RAM_TYPE_GDDR2,
121 	NVKM_RAM_TYPE_GDDR3,
122 	NVKM_RAM_TYPE_GDDR4,
123 	NVKM_RAM_TYPE_GDDR5
124 };
125 
126 struct nvkm_ram {
127 	const struct nvkm_ram_func *func;
128 	struct nvkm_fb *fb;
129 	enum nvkm_ram_type type;
130 	u64 size;
131 
132 #define NVKM_RAM_MM_SHIFT 12
133 	struct nvkm_mm vram;
134 	struct nvkm_mm tags;
135 	u64 stolen;
136 
137 	int ranks;
138 	int parts;
139 	int part_mask;
140 
141 	u32 freq;
142 	u32 mr[16];
143 	u32 mr1_nuts;
144 
145 	struct nvkm_ram_data *next;
146 	struct nvkm_ram_data former;
147 	struct nvkm_ram_data xition;
148 	struct nvkm_ram_data target;
149 };
150 
151 struct nvkm_ram_func {
152 	u64 upper;
153 	u32 (*probe_fbp)(const struct nvkm_ram_func *, struct nvkm_device *,
154 			 int fbp, int *pltcs);
155 	u32 (*probe_fbp_amount)(const struct nvkm_ram_func *, u32 fbpao,
156 				struct nvkm_device *, int fbp, int *pltcs);
157 	u32 (*probe_fbpa_amount)(struct nvkm_device *, int fbpa);
158 	void *(*dtor)(struct nvkm_ram *);
159 	int (*init)(struct nvkm_ram *);
160 
161 	int (*get)(struct nvkm_ram *, u64 size, u32 align, u32 size_nc,
162 		   u32 type, struct nvkm_mem **);
163 	void (*put)(struct nvkm_ram *, struct nvkm_mem **);
164 
165 	int (*calc)(struct nvkm_ram *, u32 freq);
166 	int (*prog)(struct nvkm_ram *);
167 	void (*tidy)(struct nvkm_ram *);
168 };
169 
170 extern const u8 gf100_pte_storage_type_map[256];
171 #endif
172