diff options
author | Dave Airlie <airlied@redhat.com> | 2012-10-03 03:26:15 (GMT) |
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committer | Dave Airlie <airlied@redhat.com> | 2012-10-03 03:26:15 (GMT) |
commit | 268d28371cd326be4dfcd7eba5917bf4b9d30c8f (patch) | |
tree | fec4f9e98bde15301b5d5338038a9a31f7555456 /drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c | |
parent | df86b5765a48d5f557489577652bd6df145b0e1b (diff) | |
parent | b9f10852fcb1f09369d931dcbfbaad89ad1da4ad (diff) | |
download | linux-fsl-qoriq-268d28371cd326be4dfcd7eba5917bf4b9d30c8f.tar.xz |
Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next
This is a major rework of the nouveau driver core, to reflect more closely
how the hw is used and to make it easier to implement newer features now
that the GPUs are more clearly understood than when nouveau started.
It also contains a few other bits:
thermal patches
nv41/44 pcie gart fixes
i2c unregistering fixes.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (191 commits)
drm/nv98/crypt: fix fuc build with latest envyas
drm/nouveau/devinit: fixup various issues with subdev ctor/init ordering
drm/nv41/vm: fix and enable use of "real" pciegart
drm/nv44/vm: fix and enable use of "real" pciegart
drm/nv04/dmaobj: fixup vm target handling in preparation for nv4x pcie
drm/nouveau: store supported dma mask in vmmgr
drm/nvc0/ibus: initial implementation of subdev
drm/nouveau/therm: add support for fan-control modes
drm/nouveau/hwmon: rename pwm0* to pmw1* to follow hwmon's rules
drm/nouveau/therm: calculate the pwm divisor on nv50+
drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster
drm/nouveau/therm: move thermal-related functions to the therm subdev
drm/nouveau/bios: parse the pwm divisor from the perf table
drm/nouveau/therm: use the EXTDEV table to detect i2c monitoring devices
drm/nouveau/therm: rework thermal table parsing
drm/nouveau/gpio: expose the PWM/TOGGLE parameter found in the gpio vbios table
drm/nouveau: fix pm initialization order
drm/nouveau/bios: check that fixed tvdac gpio data is valid before using it
drm/nouveau: log channel debug/error messages from client object rather than drm client
drm/nouveau: have drm debugging macros build on top of core macros
...
Conflicts:
drivers/gpu/drm/nouveau/nouveau_dp.c
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c new file mode 100644 index 0000000..27ef089 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c @@ -0,0 +1,172 @@ +/* + * 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 + */ + +#include <subdev/instmem.h> +#include <subdev/fb.h> + +#include <core/mm.h> + +struct nv50_instmem_priv { + struct nouveau_instmem base; + spinlock_t lock; + u64 addr; +}; + +struct nv50_instobj_priv { + struct nouveau_instobj base; + struct nouveau_mem *mem; +}; + +static int +nv50_instobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_fb *pfb = nouveau_fb(parent); + struct nv50_instobj_priv *node; + u32 align = (unsigned long)data; + int ret; + + size = max((size + 4095) & ~4095, (u32)4096); + align = max((align + 4095) & ~4095, (u32)4096); + + ret = nouveau_instobj_create(parent, engine, oclass, &node); + *pobject = nv_object(node); + if (ret) + return ret; + + ret = pfb->ram.get(pfb, size, align, 0, 0x800, &node->mem); + if (ret) + return ret; + + node->base.addr = node->mem->offset; + node->base.size = node->mem->size << 12; + node->mem->page_shift = 12; + return 0; +} + +static void +nv50_instobj_dtor(struct nouveau_object *object) +{ + struct nv50_instobj_priv *node = (void *)object; + struct nouveau_fb *pfb = nouveau_fb(object); + pfb->ram.put(pfb, &node->mem); + nouveau_instobj_destroy(&node->base); +} + +static u32 +nv50_instobj_rd32(struct nouveau_object *object, u32 offset) +{ + struct nv50_instmem_priv *priv = (void *)object->engine; + struct nv50_instobj_priv *node = (void *)object; + unsigned long flags; + u64 base = (node->mem->offset + offset) & 0xffffff00000ULL; + u64 addr = (node->mem->offset + offset) & 0x000000fffffULL; + u32 data; + + spin_lock_irqsave(&priv->lock, flags); + if (unlikely(priv->addr != base)) { + nv_wr32(priv, 0x001700, base >> 16); + priv->addr = base; + } + data = nv_rd32(priv, 0x700000 + addr); + spin_unlock_irqrestore(&priv->lock, flags); + return data; +} + +static void +nv50_instobj_wr32(struct nouveau_object *object, u32 offset, u32 data) +{ + struct nv50_instmem_priv *priv = (void *)object->engine; + struct nv50_instobj_priv *node = (void *)object; + unsigned long flags; + u64 base = (node->mem->offset + offset) & 0xffffff00000ULL; + u64 addr = (node->mem->offset + offset) & 0x000000fffffULL; + + spin_lock_irqsave(&priv->lock, flags); + if (unlikely(priv->addr != base)) { + nv_wr32(priv, 0x001700, base >> 16); + priv->addr = base; + } + nv_wr32(priv, 0x700000 + addr, data); + spin_unlock_irqrestore(&priv->lock, flags); +} + +static struct nouveau_oclass +nv50_instobj_oclass = { + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv50_instobj_ctor, + .dtor = nv50_instobj_dtor, + .init = _nouveau_instobj_init, + .fini = _nouveau_instobj_fini, + .rd32 = nv50_instobj_rd32, + .wr32 = nv50_instobj_wr32, + }, +}; + +static int +nv50_instmem_alloc(struct nouveau_instmem *imem, struct nouveau_object *parent, + u32 size, u32 align, struct nouveau_object **pobject) +{ + struct nouveau_object *engine = nv_object(imem); + return nouveau_object_ctor(parent, engine, &nv50_instobj_oclass, + (void *)(unsigned long)align, size, pobject); +} + +static int +nv50_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv50_instmem_priv *priv; + int ret; + + ret = nouveau_instmem_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + spin_lock_init(&priv->lock); + priv->base.alloc = nv50_instmem_alloc; + return 0; +} + +static int +nv50_instmem_fini(struct nouveau_object *object, bool suspend) +{ + struct nv50_instmem_priv *priv = (void *)object; + priv->addr = ~0ULL; + return nouveau_instmem_fini(&priv->base, suspend); +} + +struct nouveau_oclass +nv50_instmem_oclass = { + .handle = NV_SUBDEV(INSTMEM, 0x50), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv50_instmem_ctor, + .dtor = _nouveau_instmem_dtor, + .init = _nouveau_instmem_init, + .fini = nv50_instmem_fini, + }, +}; |