diff options
| author | Steven Toth <stoth@hauppauge.com> | 2008-01-10 02:24:27 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-01-25 19:04:49 -0200 |
| commit | c771261330c90b7c77f686a1aa0fb4f756e07b5f (patch) | |
| tree | 30f9666dbed681421ce2ea1ca1a8728447e67233 /drivers/media/video/cx23885/cx23885-core.c | |
| parent | 69ad6e56bade948793957a295b3bf1376cffdf65 (diff) | |
V4L/DVB (7006): cx23885: Track the board clock frequency and allow overrides
The cx23885/6/8 all have different clock rates, this patch allows
the core to compensate, and developers to allow vendor specific
overrides. This patches will be used by future analog video
and encoder patches.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-core.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index 31723dd7cbd..8616a26895d 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -759,10 +759,14 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) if(dev->pci->device == 0x8880) { dev->bridge = CX23885_BRIDGE_887; dev->sram_channels = cx23887_sram_channels; + /* Apply a sensible clock frequency for the PCIe bridge */ + dev->clk_freq = 25000000; } else if(dev->pci->device == 0x8852) { dev->bridge = CX23885_BRIDGE_885; dev->sram_channels = cx23885_sram_channels; + /* Apply a sensible clock frequency for the PCIe bridge */ + dev->clk_freq = 28000000; } else BUG(); @@ -782,6 +786,10 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) cx23885_card_list(dev); } + /* If the user specific a clk freq override, apply it */ + if (cx23885_boards[dev->board].clk_freq > 0) + dev->clk_freq = cx23885_boards[dev->board].clk_freq; + dev->pci_bus = dev->pci->bus->number; dev->pci_slot = PCI_SLOT(dev->pci->devfn); dev->pci_irqmask = 0x001f00; |