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/*
* 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);
}
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