diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885.h')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index 48d0c87ddbc2..b957242dcd5e 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -100,6 +100,17 @@ typedef enum { struct cx23885_board { char *name; port_t portb, portc; + + /* Vendors can and do run the PCIe bridge at different + * clock rates, driven physically by crystals on the PCBs. + * The core has to accomodate this. This allows the user + * to add new boards with new frequencys. The value is + * expressed in Hz. + * + * The core framework will default this value based on + * current designs, but it can vary. + */ + u32 clk_freq; struct cx23885_input input[MAX_CX23885_INPUT]; }; @@ -193,6 +204,10 @@ struct cx23885_dev { int pci_irqmask; int hwrevision; + /* This valud is board specific and is used to configure the + * AV core so we see nice clean and stable video and audio. */ + u32 clk_freq; + /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ struct cx23885_i2c i2c_bus[3]; |