diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h b/drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h new file mode 100644 index 000000000000..6b56a0f4cb40 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/fbmem.h @@ -0,0 +1,98 @@ +/* + * Copyright (C) 2010 Francisco Jerez. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#define NV04_PFB_BOOT_0 0x00100000 +# define NV04_PFB_BOOT_0_RAM_AMOUNT 0x00000003 +# define NV04_PFB_BOOT_0_RAM_AMOUNT_32MB 0x00000000 +# define NV04_PFB_BOOT_0_RAM_AMOUNT_4MB 0x00000001 +# define NV04_PFB_BOOT_0_RAM_AMOUNT_8MB 0x00000002 +# define NV04_PFB_BOOT_0_RAM_AMOUNT_16MB 0x00000003 +# define NV04_PFB_BOOT_0_RAM_WIDTH_128 0x00000004 +# define NV04_PFB_BOOT_0_RAM_TYPE 0x00000028 +# define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_8MBIT 0x00000000 +# define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT 0x00000008 +# define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT_4BANK 0x00000010 +# define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_16MBIT 0x00000018 +# define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBIT 0x00000020 +# define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBITX16 0x00000028 +# define NV04_PFB_BOOT_0_UMA_ENABLE 0x00000100 +# define NV04_PFB_BOOT_0_UMA_SIZE 0x0000f000 +#define NV04_PFB_DEBUG_0 0x00100080 +# define NV04_PFB_DEBUG_0_PAGE_MODE 0x00000001 +# define NV04_PFB_DEBUG_0_REFRESH_OFF 0x00000010 +# define NV04_PFB_DEBUG_0_REFRESH_COUNTX64 0x00003f00 +# define NV04_PFB_DEBUG_0_REFRESH_SLOW_CLK 0x00004000 +# define NV04_PFB_DEBUG_0_SAFE_MODE 0x00008000 +# define NV04_PFB_DEBUG_0_ALOM_ENABLE 0x00010000 +# define NV04_PFB_DEBUG_0_CASOE 0x00100000 +# define NV04_PFB_DEBUG_0_CKE_INVERT 0x10000000 +# define NV04_PFB_DEBUG_0_REFINC 0x20000000 +# define NV04_PFB_DEBUG_0_SAVE_POWER_OFF 0x40000000 +#define NV04_PFB_CFG0 0x00100200 +# define NV04_PFB_CFG0_SCRAMBLE 0x20000000 +#define NV04_PFB_CFG1 0x00100204 +#define NV04_PFB_SCRAMBLE(i) (0x00100400 + 4 * (i)) + +#define NV10_PFB_REFCTRL 0x00100210 +# define NV10_PFB_REFCTRL_VALID_1 (1 << 31) + +static inline struct io_mapping * +fbmem_init(struct pci_dev *pdev) +{ + return io_mapping_create_wc(pci_resource_start(pdev, 1), + pci_resource_len(pdev, 1)); +} + +static inline void +fbmem_fini(struct io_mapping *fb) +{ + io_mapping_free(fb); +} + +static inline u32 +fbmem_peek(struct io_mapping *fb, u32 off) +{ + u8 __iomem *p = io_mapping_map_atomic_wc(fb, off & PAGE_MASK); + u32 val = ioread32(p + (off & ~PAGE_MASK)); + io_mapping_unmap_atomic(p); + return val; +} + +static inline void +fbmem_poke(struct io_mapping *fb, u32 off, u32 val) +{ + u8 __iomem *p = io_mapping_map_atomic_wc(fb, off & PAGE_MASK); + iowrite32(val, p + (off & ~PAGE_MASK)); + wmb(); + io_mapping_unmap_atomic(p); +} + +static inline bool +fbmem_readback(struct io_mapping *fb, u32 off, u32 val) +{ + fbmem_poke(fb, off, val); + return val == fbmem_peek(fb, off); +} |