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git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/blob - drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h
2 * Copyright (C) 2010 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #define NV04_PFB_BOOT_0 0x00100000
28 # define NV04_PFB_BOOT_0_RAM_AMOUNT 0x00000003
29 # define NV04_PFB_BOOT_0_RAM_AMOUNT_32MB 0x00000000
30 # define NV04_PFB_BOOT_0_RAM_AMOUNT_4MB 0x00000001
31 # define NV04_PFB_BOOT_0_RAM_AMOUNT_8MB 0x00000002
32 # define NV04_PFB_BOOT_0_RAM_AMOUNT_16MB 0x00000003
33 # define NV04_PFB_BOOT_0_RAM_WIDTH_128 0x00000004
34 # define NV04_PFB_BOOT_0_RAM_TYPE 0x00000028
35 # define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_8MBIT 0x00000000
36 # define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT 0x00000008
37 # define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT_4BANK 0x00000010
38 # define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_16MBIT 0x00000018
39 # define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBIT 0x00000020
40 # define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBITX16 0x00000028
41 # define NV04_PFB_BOOT_0_UMA_ENABLE 0x00000100
42 # define NV04_PFB_BOOT_0_UMA_SIZE 0x0000f000
43 #define NV04_PFB_DEBUG_0 0x00100080
44 # define NV04_PFB_DEBUG_0_PAGE_MODE 0x00000001
45 # define NV04_PFB_DEBUG_0_REFRESH_OFF 0x00000010
46 # define NV04_PFB_DEBUG_0_REFRESH_COUNTX64 0x00003f00
47 # define NV04_PFB_DEBUG_0_REFRESH_SLOW_CLK 0x00004000
48 # define NV04_PFB_DEBUG_0_SAFE_MODE 0x00008000
49 # define NV04_PFB_DEBUG_0_ALOM_ENABLE 0x00010000
50 # define NV04_PFB_DEBUG_0_CASOE 0x00100000
51 # define NV04_PFB_DEBUG_0_CKE_INVERT 0x10000000
52 # define NV04_PFB_DEBUG_0_REFINC 0x20000000
53 # define NV04_PFB_DEBUG_0_SAVE_POWER_OFF 0x40000000
54 #define NV04_PFB_CFG0 0x00100200
55 # define NV04_PFB_CFG0_SCRAMBLE 0x20000000
56 #define NV04_PFB_CFG1 0x00100204
57 #define NV04_PFB_SCRAMBLE(i) (0x00100400 + 4 * (i))
59 #define NV10_PFB_REFCTRL 0x00100210
60 # define NV10_PFB_REFCTRL_VALID_1 (1 << 31)
62 static inline struct io_mapping
*
63 fbmem_init(struct pci_dev
*pdev
)
65 return io_mapping_create_wc(pci_resource_start(pdev
, 1),
66 pci_resource_len(pdev
, 1));
70 fbmem_fini(struct io_mapping
*fb
)
76 fbmem_peek(struct io_mapping
*fb
, u32 off
)
78 u8 __iomem
*p
= io_mapping_map_atomic_wc(fb
, off
& PAGE_MASK
);
79 u32 val
= ioread32(p
+ (off
& ~PAGE_MASK
));
80 io_mapping_unmap_atomic(p
);
85 fbmem_poke(struct io_mapping
*fb
, u32 off
, u32 val
)
87 u8 __iomem
*p
= io_mapping_map_atomic_wc(fb
, off
& PAGE_MASK
);
88 iowrite32(val
, p
+ (off
& ~PAGE_MASK
));
90 io_mapping_unmap_atomic(p
);
94 fbmem_readback(struct io_mapping
*fb
, u32 off
, u32 val
)
96 fbmem_poke(fb
, off
, val
);
97 return val
== fbmem_peek(fb
, off
);