diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 2cfdbe44582..cc6f288a6da 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -63,6 +63,9 @@ # error "This driver requires kernel PCI support." #endif +/* Default delay to throttle mmio access to the CX23418 so it doesn't choke */ +#define CX18_DEFAULT_MMIO_NDELAY 31 /* 30.3 ns = 1 PCI clock(s) / 33 MHz */ + #define CX18_MEM_OFFSET 0x00000000 #define CX18_MEM_SIZE 0x04000000 #define CX18_REG_OFFSET 0x02000000 @@ -176,6 +179,7 @@ struct cx18_options { int cardtype; /* force card type on load */ int tuner; /* set tuner on load */ int radio; /* enable/disable radio */ + unsigned long mmio_ndelay; /* delay in ns after every PCI mmio access */ }; /* per-buffer bit flags */ |