diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 11:32:30 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 11:32:30 -0700 |
commit | 682b7c1c8ea8885aa681ddf530d6cf2ad4f2dc15 (patch) | |
tree | 882003bb4fc56af816246168f8c85d6dde8c6ed9 /drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c | |
parent | 16b9057804c02e2d351e9c8f606e909b43cbd9e7 (diff) | |
parent | bc1dfff04a5d4064ba0db1fab13f84ab4f333d2b (diff) |
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
"This is the main drm merge window pull request, changes all over the
place, mostly normal levels of churn.
Highlights:
Core drm:
More cleanups, fix race on connector/encoder naming, docs updates,
object locking rework in prep for atomic modeset
i915:
mipi DSI support, valleyview power fixes, cursor size fixes,
execlist refactoring, vblank improvements, userptr support, OOM
handling improvements
radeon:
GPUVM tuning and large page size support, gart fixes, deep color
HDMI support, HDMI audio cleanups
nouveau:
- displayport rework should fix lots of issues
- initial gk20a support
- gk110b support
- gk208 fixes
exynos:
probe order fixes, HDMI changes, IPP consolidation
msm:
debugfs updates, misc fixes
ast:
ast2400 support, sync with UMS driver
tegra:
cleanups, hdmi + hw cursor for Tegra 124.
panel:
fixes existing panels add some new ones.
ipuv3:
moved from staging to drivers/gpu"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 commits)
drm/nouveau/disp/dp: fix tmds passthrough on dp connector
drm/nouveau/dp: probe dpcd to determine connectedness
drm/nv50-: trigger update after all connectors disabled
drm/nv50-: prepare for attaching a SOR to multiple heads
drm/gf119-/disp: fix debug output on update failure
drm/nouveau/disp/dp: make use of postcursor when its available
drm/g94-/disp/dp: take max pullup value across all lanes
drm/nouveau/bios/dp: parse lane postcursor data
drm/nouveau/dp: fix support for dpms
drm/nouveau: register a drm_dp_aux channel for each dp connector
drm/g94-/disp: add method to power-off dp lanes
drm/nouveau/disp/dp: maintain link in response to hpd signal
drm/g94-/disp: bash and wait for something after changing lane power regs
drm/nouveau/disp/dp: split link config/power into two steps
drm/nv50/disp: train PIOR-attached DP from second supervisor
drm/nouveau/disp/dp: make use of existing output data for link training
drm/gf119/disp: start removing direct vbios parsing from supervisor
drm/nv50/disp: start removing direct vbios parsing from supervisor
drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal
drm/nouveau/disp/dp: create subclass for dp outputs
...
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c new file mode 100644 index 000000000000..e9e412477c12 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c @@ -0,0 +1,84 @@ +/* + * Copyright 2014 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 "pad.h" + +int +_nvkm_i2c_pad_fini(struct nouveau_object *object, bool suspend) +{ + struct nvkm_i2c_pad *pad = (void *)object; + DBG("-> NULL\n"); + pad->port = NULL; + return nouveau_object_fini(&pad->base, suspend); +} + +int +_nvkm_i2c_pad_init(struct nouveau_object *object) +{ + struct nvkm_i2c_pad *pad = (void *)object; + DBG("-> PORT:%02x\n", pad->next->index); + pad->port = pad->next; + return nouveau_object_init(&pad->base); +} + +int +nvkm_i2c_pad_create_(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, int index, + int size, void **pobject) +{ + struct nouveau_i2c *i2c = (void *)engine; + struct nouveau_i2c_port *port; + struct nvkm_i2c_pad *pad; + int ret; + + list_for_each_entry(port, &i2c->ports, head) { + pad = nvkm_i2c_pad(port); + if (pad->index == index) { + atomic_inc(&nv_object(pad)->refcount); + *pobject = pad; + return 1; + } + } + + ret = nouveau_object_create_(parent, engine, oclass, 0, size, pobject); + pad = *pobject; + if (ret) + return ret; + + pad->index = index; + return 0; +} + +int +_nvkm_i2c_pad_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 index, + struct nouveau_object **pobject) +{ + struct nvkm_i2c_pad *pad; + int ret; + ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad); + *pobject = nv_object(pad); + return ret; +} |