diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2014-05-29 11:35:10 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-06-11 16:10:34 +1000 |
| commit | 9efc583ea9a474a8d89421da8aad4a2265f2ac5a (patch) | |
| tree | 08749cfbc58a3235d7184095825a239c16a2c4d3 /drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c | |
| parent | d2ae2eb4699506736e8b0879989a22ecd954e9f6 (diff) | |
drm/nouveau/i2c: introduce locking at a per-port level
There's also provisions to allow a pad to be locked with a specific
routing, for an indefinite period of time. This will be used in
future patches.
The G94+ pad driver will now also power-down pads when not required.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c index ec0bd68a9027..f59c3a255462 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c @@ -185,26 +185,8 @@ out: return ret < 0 ? ret : (stat & 0x000f0000) >> 16; } -void -nv94_i2c_acquire(struct nouveau_i2c_port *base) -{ - struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv50_i2c_port *port = (void *)base; - if (port->ctrl) { - nv_mask(priv, port->ctrl + 0x0c, 0x00000001, 0x00000000); - nv_mask(priv, port->ctrl + 0x00, 0x0000f003, port->data); - } -} - -void -nv94_i2c_release(struct nouveau_i2c_port *base) -{ -} - static const struct nouveau_i2c_func nv94_i2c_func = { - .acquire = nv94_i2c_acquire, - .release = nv94_i2c_release, .drive_scl = nv50_i2c_drive_scl, .drive_sda = nv50_i2c_drive_sda, .sense_scl = nv50_i2c_sense_scl, @@ -241,8 +223,6 @@ nv94_i2c_port_ctor(struct nouveau_object *parent, struct nouveau_object *engine, static const struct nouveau_i2c_func nv94_aux_func = { - .acquire = nv94_i2c_acquire, - .release = nv94_i2c_release, .aux = nv94_aux, }; @@ -303,6 +283,8 @@ nv94_i2c_oclass = &(struct nouveau_i2c_impl) { .fini = _nouveau_i2c_fini, }, .sclass = nv94_i2c_sclass, + .pad_x = &nv04_i2c_pad_oclass, + .pad_s = &nv94_i2c_pad_oclass, .aux = 4, .aux_stat = nv94_aux_stat, .aux_mask = nv94_aux_mask, |