diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-07-27 11:59:19 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-27 11:59:19 -0400 |
| commit | 800f65bba8d2030b3fef62850e203f9f176625a8 (patch) | |
| tree | 6507c4fe7a0826c253b4afb29375ab306a0fd9c8 /drivers/gpu/drm/nouveau/nouveau_i2c.c | |
| parent | 06b3cda0c12986f5bba578b918b188d731c4e191 (diff) | |
| parent | b3190df628617c7a4f188a9465aeabe1f5761933 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-commands.h
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_i2c.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c index 88583e7bf651..316a3c7e6eb4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_i2c.c +++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c @@ -254,16 +254,27 @@ struct nouveau_i2c_chan * nouveau_i2c_find(struct drm_device *dev, int index) { struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nvbios *bios = &dev_priv->vbios; + struct dcb_i2c_entry *i2c = &dev_priv->vbios.dcb.i2c[index]; if (index >= DCB_MAX_NUM_I2C_ENTRIES) return NULL; - if (!bios->dcb.i2c[index].chan) { - if (nouveau_i2c_init(dev, &bios->dcb.i2c[index], index)) - return NULL; + if (dev_priv->chipset >= NV_50 && (i2c->entry & 0x00000100)) { + uint32_t reg = 0xe500, val; + + if (i2c->port_type == 6) { + reg += i2c->read * 0x50; + val = 0x2002; + } else { + reg += ((i2c->entry & 0x1e00) >> 9) * 0x50; + val = 0xe001; + } + + nv_wr32(dev, reg, (nv_rd32(dev, reg) & ~0xf003) | val); } - return bios->dcb.i2c[index].chan; + if (!i2c->chan && nouveau_i2c_init(dev, i2c, index)) + return NULL; + return i2c->chan; } |