1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef B43_BUS_H_
3*4882a593Smuzhiyun #define B43_BUS_H_
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun enum b43_bus_type {
6*4882a593Smuzhiyun #ifdef CONFIG_B43_BCMA
7*4882a593Smuzhiyun B43_BUS_BCMA,
8*4882a593Smuzhiyun #endif
9*4882a593Smuzhiyun #ifdef CONFIG_B43_SSB
10*4882a593Smuzhiyun B43_BUS_SSB,
11*4882a593Smuzhiyun #endif
12*4882a593Smuzhiyun };
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun struct b43_bus_dev {
15*4882a593Smuzhiyun enum b43_bus_type bus_type;
16*4882a593Smuzhiyun union {
17*4882a593Smuzhiyun struct bcma_device *bdev;
18*4882a593Smuzhiyun struct ssb_device *sdev;
19*4882a593Smuzhiyun };
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun int (*bus_may_powerdown)(struct b43_bus_dev *dev);
22*4882a593Smuzhiyun int (*bus_powerup)(struct b43_bus_dev *dev, bool dynamic_pctl);
23*4882a593Smuzhiyun int (*device_is_enabled)(struct b43_bus_dev *dev);
24*4882a593Smuzhiyun void (*device_enable)(struct b43_bus_dev *dev,
25*4882a593Smuzhiyun u32 core_specific_flags);
26*4882a593Smuzhiyun void (*device_disable)(struct b43_bus_dev *dev,
27*4882a593Smuzhiyun u32 core_specific_flags);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun u16 (*read16)(struct b43_bus_dev *dev, u16 offset);
30*4882a593Smuzhiyun u32 (*read32)(struct b43_bus_dev *dev, u16 offset);
31*4882a593Smuzhiyun void (*write16)(struct b43_bus_dev *dev, u16 offset, u16 value);
32*4882a593Smuzhiyun void (*write32)(struct b43_bus_dev *dev, u16 offset, u32 value);
33*4882a593Smuzhiyun void (*block_read)(struct b43_bus_dev *dev, void *buffer,
34*4882a593Smuzhiyun size_t count, u16 offset, u8 reg_width);
35*4882a593Smuzhiyun void (*block_write)(struct b43_bus_dev *dev, const void *buffer,
36*4882a593Smuzhiyun size_t count, u16 offset, u8 reg_width);
37*4882a593Smuzhiyun bool flush_writes;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun struct device *dev;
40*4882a593Smuzhiyun struct device *dma_dev;
41*4882a593Smuzhiyun unsigned int irq;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun u16 board_vendor;
44*4882a593Smuzhiyun u16 board_type;
45*4882a593Smuzhiyun u16 board_rev;
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun u16 chip_id;
48*4882a593Smuzhiyun u8 chip_rev;
49*4882a593Smuzhiyun u8 chip_pkg;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun struct ssb_sprom *bus_sprom;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun u16 core_id;
54*4882a593Smuzhiyun u8 core_rev;
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun
b43_bus_host_is_pcmcia(struct b43_bus_dev * dev)57*4882a593Smuzhiyun static inline bool b43_bus_host_is_pcmcia(struct b43_bus_dev *dev)
58*4882a593Smuzhiyun {
59*4882a593Smuzhiyun #ifdef CONFIG_B43_SSB
60*4882a593Smuzhiyun return (dev->bus_type == B43_BUS_SSB &&
61*4882a593Smuzhiyun dev->sdev->bus->bustype == SSB_BUSTYPE_PCMCIA);
62*4882a593Smuzhiyun #else
63*4882a593Smuzhiyun return false;
64*4882a593Smuzhiyun #endif
65*4882a593Smuzhiyun };
66*4882a593Smuzhiyun
b43_bus_host_is_pci(struct b43_bus_dev * dev)67*4882a593Smuzhiyun static inline bool b43_bus_host_is_pci(struct b43_bus_dev *dev)
68*4882a593Smuzhiyun {
69*4882a593Smuzhiyun #ifdef CONFIG_B43_BCMA
70*4882a593Smuzhiyun if (dev->bus_type == B43_BUS_BCMA)
71*4882a593Smuzhiyun return (dev->bdev->bus->hosttype == BCMA_HOSTTYPE_PCI);
72*4882a593Smuzhiyun #endif
73*4882a593Smuzhiyun #ifdef CONFIG_B43_SSB
74*4882a593Smuzhiyun if (dev->bus_type == B43_BUS_SSB)
75*4882a593Smuzhiyun return (dev->sdev->bus->bustype == SSB_BUSTYPE_PCI);
76*4882a593Smuzhiyun #endif
77*4882a593Smuzhiyun return false;
78*4882a593Smuzhiyun }
79*4882a593Smuzhiyun
b43_bus_host_is_sdio(struct b43_bus_dev * dev)80*4882a593Smuzhiyun static inline bool b43_bus_host_is_sdio(struct b43_bus_dev *dev)
81*4882a593Smuzhiyun {
82*4882a593Smuzhiyun #ifdef CONFIG_B43_SSB
83*4882a593Smuzhiyun return (dev->bus_type == B43_BUS_SSB &&
84*4882a593Smuzhiyun dev->sdev->bus->bustype == SSB_BUSTYPE_SDIO);
85*4882a593Smuzhiyun #else
86*4882a593Smuzhiyun return false;
87*4882a593Smuzhiyun #endif
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core);
91*4882a593Smuzhiyun struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev);
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun void *b43_bus_get_wldev(struct b43_bus_dev *dev);
94*4882a593Smuzhiyun void b43_bus_set_wldev(struct b43_bus_dev *dev, void *data);
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun #endif /* B43_BUS_H_ */
97