diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-bus.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-bus.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-bus.h b/drivers/net/wireless/iwlwifi/iwl-bus.h index f3ee1c0c004c..83aed46673e1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-bus.h +++ b/drivers/net/wireless/iwlwifi/iwl-bus.h @@ -60,16 +60,22 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ -#ifndef __iwl_pci_h__ -#define __iwl_pci_h__ +#ifndef __iwl_bus_h__ +#define __iwl_bus_h__ +/*This file includes the declaration that are exported from the bus layer */ + +#include <linux/types.h> +#include <linux/spinlock.h> + +struct iwl_shared; struct iwl_bus; /** * struct iwl_bus_ops - bus specific operations * @get_pm_support: must returns true if the bus can go to sleep * @apm_config: will be called during the config of the APM configuration - * @set_drv_data: set the drv_data pointer to the bus layer + * @set_drv_data: set the shared data pointer to the bus layer * @get_hw_id: prints the hw_id in the provided buffer * @write8: write a byte to register at offset ofs * @write32: write a dword to register at offset ofs @@ -78,20 +84,29 @@ struct iwl_bus; struct iwl_bus_ops { bool (*get_pm_support)(struct iwl_bus *bus); void (*apm_config)(struct iwl_bus *bus); - void (*set_drv_data)(struct iwl_bus *bus, void *drv_data); + void (*set_drv_data)(struct iwl_bus *bus, struct iwl_shared *shrd); void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len); void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val); void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val); u32 (*read32)(struct iwl_bus *bus, u32 ofs); }; +/** + * struct iwl_bus - bus common data + * @dev - pointer to struct device * that represent the device + * @ops - pointer to iwl_bus_ops + * @shrd - pointer to iwl_shared which holds shared data from the upper layer + * @irq - the irq number for the device + * @reg_lock - protect hw register access + */ struct iwl_bus { /* Common data to all buses */ - void *drv_data; /* driver's context */ struct device *dev; - struct iwl_bus_ops *ops; + const struct iwl_bus_ops *ops; + struct iwl_shared *shrd; unsigned int irq; + spinlock_t reg_lock; /* pointer to bus specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ @@ -108,9 +123,10 @@ static inline void bus_apm_config(struct iwl_bus *bus) bus->ops->apm_config(bus); } -static inline void bus_set_drv_data(struct iwl_bus *bus, void *drv_data) +static inline void bus_set_drv_data(struct iwl_bus *bus, + struct iwl_shared *shrd) { - bus->ops->set_drv_data(bus, drv_data); + bus->ops->set_drv_data(bus, shrd); } static inline void bus_get_hw_id(struct iwl_bus *bus, char buf[], int buf_len) @@ -136,4 +152,4 @@ static inline u32 bus_read32(struct iwl_bus *bus, u32 ofs) int __must_check iwl_pci_register_driver(void); void iwl_pci_unregister_driver(void); -#endif +#endif /* __iwl_bus_h__ */ |