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ssb_private.h
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1 #ifndef LINUX_SSB_PRIVATE_H_
2 #define LINUX_SSB_PRIVATE_H_
3 
4 #include <linux/ssb/ssb.h>
5 #include <linux/types.h>
6 
7 
8 #define PFX "ssb: "
9 
10 #ifdef CONFIG_SSB_SILENT
11 # define ssb_printk(fmt, x...) do { /* nothing */ } while (0)
12 #else
13 # define ssb_printk printk
14 #endif /* CONFIG_SSB_SILENT */
15 
16 /* dprintk: Debugging printk; vanishes for non-debug compilation */
17 #ifdef CONFIG_SSB_DEBUG
18 # define ssb_dprintk(fmt, x...) ssb_printk(fmt , ##x)
19 #else
20 # define ssb_dprintk(fmt, x...) do { /* nothing */ } while (0)
21 #endif
22 
23 #ifdef CONFIG_SSB_DEBUG
24 # define SSB_WARN_ON(x) WARN_ON(x)
25 # define SSB_BUG_ON(x) BUG_ON(x)
26 #else
27 static inline int __ssb_do_nothing(int x) { return x; }
28 # define SSB_WARN_ON(x) __ssb_do_nothing(unlikely(!!(x)))
29 # define SSB_BUG_ON(x) __ssb_do_nothing(unlikely(!!(x)))
30 #endif
31 
32 
33 /* pci.c */
34 #ifdef CONFIG_SSB_PCIHOST
35 extern int ssb_pci_switch_core(struct ssb_bus *bus,
36  struct ssb_device *dev);
37 extern int ssb_pci_switch_coreidx(struct ssb_bus *bus,
38  u8 coreidx);
39 extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
40  int turn_on);
41 extern int ssb_pci_get_invariants(struct ssb_bus *bus,
42  struct ssb_init_invariants *iv);
43 extern void ssb_pci_exit(struct ssb_bus *bus);
44 extern int ssb_pci_init(struct ssb_bus *bus);
45 extern const struct ssb_bus_ops ssb_pci_ops;
46 
47 #else /* CONFIG_SSB_PCIHOST */
48 
49 static inline int ssb_pci_switch_core(struct ssb_bus *bus,
50  struct ssb_device *dev)
51 {
52  return 0;
53 }
54 static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus,
55  u8 coreidx)
56 {
57  return 0;
58 }
59 static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
60  int turn_on)
61 {
62  return 0;
63 }
64 static inline void ssb_pci_exit(struct ssb_bus *bus)
65 {
66 }
67 static inline int ssb_pci_init(struct ssb_bus *bus)
68 {
69  return 0;
70 }
71 #endif /* CONFIG_SSB_PCIHOST */
72 
73 
74 /* pcmcia.c */
75 #ifdef CONFIG_SSB_PCMCIAHOST
76 extern int ssb_pcmcia_switch_core(struct ssb_bus *bus,
77  struct ssb_device *dev);
78 extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
79  u8 coreidx);
80 extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
81  u8 seg);
82 extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
83  struct ssb_init_invariants *iv);
84 extern int ssb_pcmcia_hardware_setup(struct ssb_bus *bus);
85 extern void ssb_pcmcia_exit(struct ssb_bus *bus);
86 extern int ssb_pcmcia_init(struct ssb_bus *bus);
87 extern const struct ssb_bus_ops ssb_pcmcia_ops;
88 #else /* CONFIG_SSB_PCMCIAHOST */
89 static inline int ssb_pcmcia_switch_core(struct ssb_bus *bus,
90  struct ssb_device *dev)
91 {
92  return 0;
93 }
94 static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
95  u8 coreidx)
96 {
97  return 0;
98 }
99 static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
100  u8 seg)
101 {
102  return 0;
103 }
104 static inline int ssb_pcmcia_hardware_setup(struct ssb_bus *bus)
105 {
106  return 0;
107 }
108 static inline void ssb_pcmcia_exit(struct ssb_bus *bus)
109 {
110 }
111 static inline int ssb_pcmcia_init(struct ssb_bus *bus)
112 {
113  return 0;
114 }
115 #endif /* CONFIG_SSB_PCMCIAHOST */
116 
117 /* sdio.c */
118 #ifdef CONFIG_SSB_SDIOHOST
119 extern int ssb_sdio_get_invariants(struct ssb_bus *bus,
120  struct ssb_init_invariants *iv);
121 
122 extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset);
123 extern int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev);
124 extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx);
125 extern int ssb_sdio_hardware_setup(struct ssb_bus *bus);
126 extern void ssb_sdio_exit(struct ssb_bus *bus);
127 extern int ssb_sdio_init(struct ssb_bus *bus);
128 
129 extern const struct ssb_bus_ops ssb_sdio_ops;
130 #else /* CONFIG_SSB_SDIOHOST */
131 static inline u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset)
132 {
133  return 0;
134 }
135 static inline int ssb_sdio_switch_core(struct ssb_bus *bus,
136  struct ssb_device *dev)
137 {
138  return 0;
139 }
140 static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
141 {
142  return 0;
143 }
144 static inline int ssb_sdio_hardware_setup(struct ssb_bus *bus)
145 {
146  return 0;
147 }
148 static inline void ssb_sdio_exit(struct ssb_bus *bus)
149 {
150 }
151 static inline int ssb_sdio_init(struct ssb_bus *bus)
152 {
153  return 0;
154 }
155 #endif /* CONFIG_SSB_SDIOHOST */
156 
157 
158 /* scan.c */
159 extern const char *ssb_core_name(u16 coreid);
160 extern int ssb_bus_scan(struct ssb_bus *bus,
161  unsigned long baseaddr);
162 extern void ssb_iounmap(struct ssb_bus *ssb);
163 
164 
165 /* sprom.c */
166 extern
167 ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf,
168  int (*sprom_read)(struct ssb_bus *bus, u16 *sprom));
169 extern
170 ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,
171  const char *buf, size_t count,
172  int (*sprom_check_crc)(const u16 *sprom, size_t size),
173  int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom));
174 extern int ssb_fill_sprom_with_fallback(struct ssb_bus *bus,
175  struct ssb_sprom *out);
176 
177 
178 /* core.c */
179 extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
180 extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev);
181 int ssb_for_each_bus_call(unsigned long data,
182  int (*func)(struct ssb_bus *bus, unsigned long data));
183 extern struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev);
184 
185 struct ssb_freeze_context {
186  /* Pointer to the bus */
187  struct ssb_bus *bus;
188  /* Boolean list to indicate whether a device is frozen on this bus. */
189  bool device_frozen[SSB_MAX_NR_CORES];
190 };
191 extern int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx);
192 extern int ssb_devices_thaw(struct ssb_freeze_context *ctx);
193 
194 
195 
196 /* b43_pci_bridge.c */
197 #ifdef CONFIG_SSB_B43_PCI_BRIDGE
198 extern int __init b43_pci_ssb_bridge_init(void);
199 extern void __exit b43_pci_ssb_bridge_exit(void);
200 #else /* CONFIG_SSB_B43_PCI_BRIDGE */
201 static inline int b43_pci_ssb_bridge_init(void)
202 {
203  return 0;
204 }
205 static inline void b43_pci_ssb_bridge_exit(void)
206 {
207 }
208 #endif /* CONFIG_SSB_B43_PCI_BRIDGE */
209 
210 /* driver_chipcommon_pmu.c */
211 extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc);
212 extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc);
213 
214 #endif /* LINUX_SSB_PRIVATE_H_ */
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