/* SPDX-License-Identifier: GPL-2.0 */
#ifndef B43_BUS_H_
#define B43_BUS_H_

enum b43_bus_type {
#ifdef CONFIG_B43_BCMA
        B43_BUS_BCMA,
#endif
#ifdef CONFIG_B43_SSB
        B43_BUS_SSB,
#endif
};

struct b43_bus_dev {
        enum b43_bus_type bus_type;
        union {
                struct bcma_device *bdev;
                struct ssb_device *sdev;
        };

        int (*bus_may_powerdown)(struct b43_bus_dev *dev);
        int (*bus_powerup)(struct b43_bus_dev *dev, bool dynamic_pctl);
        int (*device_is_enabled)(struct b43_bus_dev *dev);
        void (*device_enable)(struct b43_bus_dev *dev,
                              u32 core_specific_flags);
        void (*device_disable)(struct b43_bus_dev *dev,
                               u32 core_specific_flags);

        u16 (*read16)(struct b43_bus_dev *dev, u16 offset);
        u32 (*read32)(struct b43_bus_dev *dev, u16 offset);
        void (*write16)(struct b43_bus_dev *dev, u16 offset, u16 value);
        void (*write32)(struct b43_bus_dev *dev, u16 offset, u32 value);
        void (*block_read)(struct b43_bus_dev *dev, void *buffer,
                           size_t count, u16 offset, u8 reg_width);
        void (*block_write)(struct b43_bus_dev *dev, const void *buffer,
                            size_t count, u16 offset, u8 reg_width);
        bool flush_writes;

        struct device *dev;
        struct device *dma_dev;
        unsigned int irq;

        u16 board_vendor;
        u16 board_type;
        u16 board_rev;

        u16 chip_id;
        u8 chip_rev;
        u8 chip_pkg;

        struct ssb_sprom *bus_sprom;

        u16 core_id;
        u8 core_rev;
};

static inline bool b43_bus_host_is_pcmcia(struct b43_bus_dev *dev)
{
#ifdef CONFIG_B43_SSB
        return (dev->bus_type == B43_BUS_SSB &&
                dev->sdev->bus->bustype == SSB_BUSTYPE_PCMCIA);
#else
        return false;
#endif
};

static inline bool b43_bus_host_is_pci(struct b43_bus_dev *dev)
{
#ifdef CONFIG_B43_BCMA
        if (dev->bus_type == B43_BUS_BCMA)
                return (dev->bdev->bus->hosttype == BCMA_HOSTTYPE_PCI);
#endif
#ifdef CONFIG_B43_SSB
        if (dev->bus_type == B43_BUS_SSB)
                return (dev->sdev->bus->bustype == SSB_BUSTYPE_PCI);
#endif
        return false;
}

static inline bool b43_bus_host_is_sdio(struct b43_bus_dev *dev)
{
#ifdef CONFIG_B43_SSB
        return (dev->bus_type == B43_BUS_SSB &&
                dev->sdev->bus->bustype == SSB_BUSTYPE_SDIO);
#else
        return false;
#endif
}

struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core);
struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev);

void *b43_bus_get_wldev(struct b43_bus_dev *dev);
void b43_bus_set_wldev(struct b43_bus_dev *dev, void *data);

#endif /* B43_BUS_H_ */