diff options
| author | Nico Huber <nico.h@gmx.de> | 2013-06-10 22:08:35 +0200 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-06-17 21:39:40 +0200 |
| commit | dd4715b6a5beca80ce9655f8711327a83d05b416 (patch) | |
| tree | 39d934c6d5bbab9f8fbfa856ec033efd26a7ce55 /src/include | |
| parent | f898f7ba4d10146b45241afe65fd54b3c049cc4f (diff) | |
pnp: Implement common handling for PnP config modes
Many super i/o chips only answer to PnP requests if they are in a
configuration state (sometimes also called ext func mode). To cope with
that, the code of many chips implements its own version of our default
PnP functions like pnp_set_resource(), pnp_enable_resource() etc.
To avoid this code duplication, this patch extends our PnP device
interface with optional functions to enter and exit configuration mode.
Change-Id: I9b7662a0db70ede93276764fa15020f251eb46bd
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: http://review.coreboot.org/3481
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/device/device.h | 2 | ||||
| -rw-r--r-- | src/include/device/pnp.h | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/include/device/device.h b/src/include/device/device.h index 44a9742ab8..9defb19d83 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -13,6 +13,7 @@ typedef struct device * device_t; struct pci_operations; struct pci_bus_operations; struct smbus_bus_operations; +struct pnp_mode_ops; /* Chip operations */ struct chip_operations { @@ -42,6 +43,7 @@ struct device_operations { const struct pci_operations *ops_pci; const struct smbus_bus_operations *ops_smbus_bus; const struct pci_bus_operations *ops_pci_bus; + const struct pnp_mode_ops *ops_pnp_mode; }; #endif diff --git a/src/include/device/pnp.h b/src/include/device/pnp.h index 566722335c..434f0a440e 100644 --- a/src/include/device/pnp.h +++ b/src/include/device/pnp.h @@ -52,5 +52,12 @@ struct resource *pnp_get_resource(device_t dev, unsigned index); void pnp_enable_devices(struct device *dev, struct device_operations *ops, unsigned int functions, struct pnp_info *info); +struct pnp_mode_ops { + void (*enter_conf_mode)(device_t dev); + void (*exit_conf_mode)(device_t dev); +}; +void pnp_enter_conf_mode(device_t dev); +void pnp_exit_conf_mode(device_t dev); + #endif #endif /* DEVICE_PNP_H */ |