cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bus.h (2374B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef B43_BUS_H_
      3#define B43_BUS_H_
      4
      5enum b43_bus_type {
      6#ifdef CONFIG_B43_BCMA
      7	B43_BUS_BCMA,
      8#endif
      9#ifdef CONFIG_B43_SSB
     10	B43_BUS_SSB,
     11#endif
     12};
     13
     14struct b43_bus_dev {
     15	enum b43_bus_type bus_type;
     16	union {
     17		struct bcma_device *bdev;
     18		struct ssb_device *sdev;
     19	};
     20
     21	int (*bus_may_powerdown)(struct b43_bus_dev *dev);
     22	int (*bus_powerup)(struct b43_bus_dev *dev, bool dynamic_pctl);
     23	int (*device_is_enabled)(struct b43_bus_dev *dev);
     24	void (*device_enable)(struct b43_bus_dev *dev,
     25			      u32 core_specific_flags);
     26	void (*device_disable)(struct b43_bus_dev *dev,
     27			       u32 core_specific_flags);
     28
     29	u16 (*read16)(struct b43_bus_dev *dev, u16 offset);
     30	u32 (*read32)(struct b43_bus_dev *dev, u16 offset);
     31	void (*write16)(struct b43_bus_dev *dev, u16 offset, u16 value);
     32	void (*write32)(struct b43_bus_dev *dev, u16 offset, u32 value);
     33	void (*block_read)(struct b43_bus_dev *dev, void *buffer,
     34			   size_t count, u16 offset, u8 reg_width);
     35	void (*block_write)(struct b43_bus_dev *dev, const void *buffer,
     36			    size_t count, u16 offset, u8 reg_width);
     37	bool flush_writes;
     38
     39	struct device *dev;
     40	struct device *dma_dev;
     41	unsigned int irq;
     42
     43	u16 board_vendor;
     44	u16 board_type;
     45	u16 board_rev;
     46
     47	u16 chip_id;
     48	u8 chip_rev;
     49	u8 chip_pkg;
     50
     51	struct ssb_sprom *bus_sprom;
     52
     53	u16 core_id;
     54	u8 core_rev;
     55};
     56
     57static inline bool b43_bus_host_is_pcmcia(struct b43_bus_dev *dev)
     58{
     59#ifdef CONFIG_B43_SSB
     60	return (dev->bus_type == B43_BUS_SSB &&
     61		dev->sdev->bus->bustype == SSB_BUSTYPE_PCMCIA);
     62#else
     63	return false;
     64#endif
     65};
     66
     67static inline bool b43_bus_host_is_pci(struct b43_bus_dev *dev)
     68{
     69#ifdef CONFIG_B43_BCMA
     70	if (dev->bus_type == B43_BUS_BCMA)
     71		return (dev->bdev->bus->hosttype == BCMA_HOSTTYPE_PCI);
     72#endif
     73#ifdef CONFIG_B43_SSB
     74	if (dev->bus_type == B43_BUS_SSB)
     75		return (dev->sdev->bus->bustype == SSB_BUSTYPE_PCI);
     76#endif
     77	return false;
     78}
     79
     80static inline bool b43_bus_host_is_sdio(struct b43_bus_dev *dev)
     81{
     82#ifdef CONFIG_B43_SSB
     83	return (dev->bus_type == B43_BUS_SSB &&
     84		dev->sdev->bus->bustype == SSB_BUSTYPE_SDIO);
     85#else
     86	return false;
     87#endif
     88}
     89
     90struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core);
     91struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev);
     92
     93void *b43_bus_get_wldev(struct b43_bus_dev *dev);
     94void b43_bus_set_wldev(struct b43_bus_dev *dev, void *data);
     95
     96#endif /* B43_BUS_H_ */