drivers/net/wireless/b43/bus.h

   1 #ifndef B43_BUS_H_
   2 #define B43_BUS_H_
   3
   4 enum b43_bus_type {
   5 #ifdef CONFIG_B43_BCMA
   6         B43_BUS_BCMA,
   7 #endif
   8 #ifdef CONFIG_B43_SSB
   9         B43_BUS_SSB,
  10 #endif
  11 };
  12
  13 struct b43_bus_dev {
  14         enum b43_bus_type bus_type;
  15         union {
  16                 struct bcma_device *bdev;
  17                 struct ssb_device *sdev;
  18         };
  19
  20         int (*bus_may_powerdown)(struct b43_bus_dev *dev);
  21         int (*bus_powerup)(struct b43_bus_dev *dev, bool dynamic_pctl);
  22         int (*device_is_enabled)(struct b43_bus_dev *dev);
  23         void (*device_enable)(struct b43_bus_dev *dev,
  24                               u32 core_specific_flags);
  25         void (*device_disable)(struct b43_bus_dev *dev,
  26                                u32 core_specific_flags);
  27
  28         u16 (*read16)(struct b43_bus_dev *dev, u16 offset);
  29         u32 (*read32)(struct b43_bus_dev *dev, u16 offset);
  30         void (*write16)(struct b43_bus_dev *dev, u16 offset, u16 value);
  31         void (*write32)(struct b43_bus_dev *dev, u16 offset, u32 value);
  32         void (*block_read)(struct b43_bus_dev *dev, void *buffer,
  33                            size_t count, u16 offset, u8 reg_width);
  34         void (*block_write)(struct b43_bus_dev *dev, const void *buffer,
  35                             size_t count, u16 offset, u8 reg_width);
  36         bool flush_writes;
  37
  38         struct device *dev;
  39         struct device *dma_dev;
  40         unsigned int irq;
  41
  42         u16 board_vendor;
  43         u16 board_type;
  44         u16 board_rev;
  45
  46         u16 chip_id;
  47         u8 chip_rev;
  48         u8 chip_pkg;
  49
  50         struct ssb_sprom *bus_sprom;
  51
  52         u16 core_id;
  53         u8 core_rev;
  54 };
  55
  56 static inline bool b43_bus_host_is_pcmcia(struct b43_bus_dev *dev)
  57 {
  58 #ifdef CONFIG_B43_SSB
  59         return (dev->bus_type == B43_BUS_SSB &&
  60                 dev->sdev->bus->bustype == SSB_BUSTYPE_PCMCIA);
  61 #else
  62         return false;
  63 #endif
  64 };
  65
  66 static inline bool b43_bus_host_is_pci(struct b43_bus_dev *dev)
  67 {
  68 #ifdef CONFIG_B43_BCMA
  69         if (dev->bus_type == B43_BUS_BCMA)
  70                 return (dev->bdev->bus->hosttype == BCMA_HOSTTYPE_PCI);
  71 #endif
  72 #ifdef CONFIG_B43_SSB
  73         if (dev->bus_type == B43_BUS_SSB)
  74                 return (dev->sdev->bus->bustype == SSB_BUSTYPE_PCI);
  75 #endif
  76         return false;
  77 }
  78
  79 static inline bool b43_bus_host_is_sdio(struct b43_bus_dev *dev)
  80 {
  81 #ifdef CONFIG_B43_SSB
  82         return (dev->bus_type == B43_BUS_SSB &&
  83                 dev->sdev->bus->bustype == SSB_BUSTYPE_SDIO);
  84 #else
  85         return false;
  86 #endif
  87 }
  88
  89 struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core);
  90 struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev);
  91
  92 void *b43_bus_get_wldev(struct b43_bus_dev *dev);
  93 void b43_bus_set_wldev(struct b43_bus_dev *dev, void *data);
  94
  95 #endif /* B43_BUS_H_ */