/* * 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. * */ #include <subdev/fb/regsnv04.h> #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 nvkm_device *dev) { return io_mapping_create_wc(dev->func->resource_addr(dev, 1), dev->func->resource_size(dev, 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); }