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drm/nouveau/fb: implement various bits of work towards memory reclocking
Not even remotely ready for the vast majority of the world. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Ben Skeggs
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Nov 8, 2013
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/* | ||
* Copyright 2013 Red Hat Inc. | ||
* | ||
* 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 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 HOLDER(S) OR AUTHOR(S) 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. | ||
* | ||
* Authors: Ben Skeggs <bskeggs@redhat.com> | ||
*/ | ||
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#include <subdev/bios.h> | ||
#include "priv.h" | ||
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int | ||
nouveau_gddr5_calc(struct nouveau_ram *ram) | ||
{ | ||
struct nouveau_bios *bios = nouveau_bios(ram); | ||
int pd, lf, xd, vh, vr, vo; | ||
int WL, CL, WR, at, dt, ds; | ||
int rq = ram->freq < 1000000; /* XXX */ | ||
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switch (!!ram->ramcfg.data * ram->ramcfg.version) { | ||
case 0x11: | ||
pd = (nv_ro08(bios, ram->ramcfg.data + 0x01) & 0x80) >> 7; | ||
lf = (nv_ro08(bios, ram->ramcfg.data + 0x01) & 0x40) >> 6; | ||
xd = !(nv_ro08(bios, ram->ramcfg.data + 0x01) & 0x20); | ||
vh = (nv_ro08(bios, ram->ramcfg.data + 0x02) & 0x10) >> 4; | ||
vr = (nv_ro08(bios, ram->ramcfg.data + 0x02) & 0x04) >> 2; | ||
vo = nv_ro08(bios, ram->ramcfg.data + 0x06) & 0xff; | ||
break; | ||
default: | ||
return -ENOSYS; | ||
} | ||
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switch (!!ram->timing.data * ram->timing.version) { | ||
case 0x20: | ||
WL = (nv_ro16(bios, ram->timing.data + 0x04) & 0x0f80) >> 7; | ||
CL = nv_ro08(bios, ram->timing.data + 0x04) & 0x1f; | ||
WR = nv_ro08(bios, ram->timing.data + 0x0a) & 0x7f; | ||
at = (nv_ro08(bios, ram->timing.data + 0x2e) & 0xc0) >> 6; | ||
dt = nv_ro08(bios, ram->timing.data + 0x2e) & 0x03; | ||
ds = nv_ro08(bios, ram->timing.data + 0x2f) & 0x03; | ||
break; | ||
default: | ||
return -ENOSYS; | ||
} | ||
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if (WL < 1 || WL > 7 || CL < 5 || CL > 36 || WR < 4 || WR > 35) | ||
return -EINVAL; | ||
CL -= 5; | ||
WR -= 4; | ||
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ram->mr[0] &= ~0xf7f; | ||
ram->mr[0] |= (WR & 0x0f) << 8; | ||
ram->mr[0] |= (CL & 0x0f) << 3; | ||
ram->mr[0] |= (WL & 0x07) << 0; | ||
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ram->mr[1] &= ~0x0bf; | ||
ram->mr[1] |= (xd & 0x01) << 7; | ||
ram->mr[1] |= (at & 0x03) << 4; | ||
ram->mr[1] |= (dt & 0x03) << 2; | ||
ram->mr[1] |= (ds & 0x03) << 0; | ||
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ram->mr[3] &= ~0x020; | ||
ram->mr[3] |= (rq & 0x01) << 5; | ||
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if (!vo) | ||
vo = (ram->mr[6] & 0xff0) >> 4; | ||
if (ram->mr[6] & 0x001) | ||
pd = 1; /* binary driver does this.. bug? */ | ||
ram->mr[6] &= ~0xff1; | ||
ram->mr[6] |= (vo & 0xff) << 4; | ||
ram->mr[6] |= (pd & 0x01) << 0; | ||
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if (!(ram->mr[7] & 0x100)) | ||
vr = 0; /* binary driver does this.. bug? */ | ||
ram->mr[7] &= ~0x188; | ||
ram->mr[7] |= (vr & 0x01) << 8; | ||
ram->mr[7] |= (vh & 0x01) << 7; | ||
ram->mr[7] |= (lf & 0x01) << 3; | ||
return 0; | ||
} |
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#ifndef __NVKM_FB_NV40_H__ | ||
#define __NVKM_FB_NV40_H__ | ||
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#include "priv.h" | ||
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struct nv40_ram { | ||
struct nouveau_ram base; | ||
u32 ctrl; | ||
u32 coef; | ||
}; | ||
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int nv40_ram_calc(struct nouveau_fb *, u32); | ||
int nv40_ram_prog(struct nouveau_fb *); | ||
void nv40_ram_tidy(struct nouveau_fb *); | ||
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#endif |
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#ifndef __NVKM_RAM_NVC0_H__ | ||
#define __NVKM_RAM_NVC0_H__ | ||
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#include "priv.h" | ||
#include "nv50.h" | ||
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struct nvc0_fb_priv { | ||
struct nouveau_fb base; | ||
struct page *r100c10_page; | ||
dma_addr_t r100c10; | ||
}; | ||
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int nvc0_fb_ctor(struct nouveau_object *, struct nouveau_object *, | ||
struct nouveau_oclass *, void *, u32, | ||
struct nouveau_object **); | ||
void nvc0_fb_dtor(struct nouveau_object *); | ||
int nvc0_fb_init(struct nouveau_object *); | ||
bool nvc0_fb_memtype_valid(struct nouveau_fb *, u32); | ||
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#define nvc0_ram_create(p,e,o,d) \ | ||
nvc0_ram_create_((p), (e), (o), sizeof(**d), (void **)d) | ||
int nvc0_ram_create_(struct nouveau_object *, struct nouveau_object *, | ||
struct nouveau_oclass *, int, void **); | ||
int nvc0_ram_get(struct nouveau_fb *, u64, u32, u32, u32, | ||
struct nouveau_mem **); | ||
void nvc0_ram_put(struct nouveau_fb *, struct nouveau_mem **); | ||
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#endif |
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/* | ||
* Copyright 2012 Red Hat Inc. | ||
* | ||
* 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 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 HOLDER(S) OR AUTHOR(S) 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. | ||
* | ||
* Authors: Ben Skeggs | ||
*/ | ||
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#include "nvc0.h" | ||
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struct nouveau_oclass * | ||
nve0_fb_oclass = &(struct nouveau_fb_impl) { | ||
.base.handle = NV_SUBDEV(FB, 0xe0), | ||
.base.ofuncs = &(struct nouveau_ofuncs) { | ||
.ctor = nvc0_fb_ctor, | ||
.dtor = nvc0_fb_dtor, | ||
.init = nvc0_fb_init, | ||
.fini = _nouveau_fb_fini, | ||
}, | ||
.memtype = nvc0_fb_memtype_valid, | ||
.ram = &nve0_ram_oclass, | ||
}.base; |
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