tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef LINUX_SSB_PRIVATE_H_
3#define LINUX_SSB_PRIVATE_H_
4
5#include <linux/ssb/ssb.h>
6#include <linux/types.h>
7#include <linux/bcm47xx_wdt.h>
8
9
10#define PFX "ssb: "
11
12#ifdef CONFIG_SSB_SILENT
13# define ssb_printk(fmt, ...) \
14 do { if (0) printk(fmt, ##__VA_ARGS__); } while (0)
15#else
16# define ssb_printk(fmt, ...) \
17 printk(fmt, ##__VA_ARGS__)
18#endif /* CONFIG_SSB_SILENT */
19
20#define ssb_emerg(fmt, ...) ssb_printk(KERN_EMERG PFX fmt, ##__VA_ARGS__)
21#define ssb_err(fmt, ...) ssb_printk(KERN_ERR PFX fmt, ##__VA_ARGS__)
22#define ssb_warn(fmt, ...) ssb_printk(KERN_WARNING PFX fmt, ##__VA_ARGS__)
23#define ssb_notice(fmt, ...) ssb_printk(KERN_NOTICE PFX fmt, ##__VA_ARGS__)
24#define ssb_info(fmt, ...) ssb_printk(KERN_INFO PFX fmt, ##__VA_ARGS__)
25#define ssb_cont(fmt, ...) ssb_printk(KERN_CONT fmt, ##__VA_ARGS__)
26
27/* dprintk: Debugging printk; vanishes for non-debug compilation */
28#ifdef CONFIG_SSB_DEBUG
29# define ssb_dbg(fmt, ...) \
30 ssb_printk(KERN_DEBUG PFX fmt, ##__VA_ARGS__)
31#else
32# define ssb_dbg(fmt, ...) \
33 do { if (0) printk(KERN_DEBUG PFX fmt, ##__VA_ARGS__); } while (0)
34#endif
35
36#ifdef CONFIG_SSB_DEBUG
37# define SSB_WARN_ON(x) WARN_ON(x)
38# define SSB_BUG_ON(x) BUG_ON(x)
39#else
40static inline int __ssb_do_nothing(int x) { return x; }
41# define SSB_WARN_ON(x) __ssb_do_nothing(unlikely(!!(x)))
42# define SSB_BUG_ON(x) __ssb_do_nothing(unlikely(!!(x)))
43#endif
44
45
46/* pci.c */
47#ifdef CONFIG_SSB_PCIHOST
48extern int ssb_pci_switch_core(struct ssb_bus *bus,
49 struct ssb_device *dev);
50extern int ssb_pci_switch_coreidx(struct ssb_bus *bus,
51 u8 coreidx);
52extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
53 int turn_on);
54extern int ssb_pci_get_invariants(struct ssb_bus *bus,
55 struct ssb_init_invariants *iv);
56extern void ssb_pci_exit(struct ssb_bus *bus);
57extern int ssb_pci_init(struct ssb_bus *bus);
58extern const struct ssb_bus_ops ssb_pci_ops;
59
60#else /* CONFIG_SSB_PCIHOST */
61
62static inline int ssb_pci_switch_core(struct ssb_bus *bus,
63 struct ssb_device *dev)
64{
65 return 0;
66}
67static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus,
68 u8 coreidx)
69{
70 return 0;
71}
72static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
73 int turn_on)
74{
75 return 0;
76}
77static inline void ssb_pci_exit(struct ssb_bus *bus)
78{
79}
80static inline int ssb_pci_init(struct ssb_bus *bus)
81{
82 return 0;
83}
84#endif /* CONFIG_SSB_PCIHOST */
85
86
87/* pcmcia.c */
88#ifdef CONFIG_SSB_PCMCIAHOST
89extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
90 u8 coreidx);
91extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
92 u8 seg);
93extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
94 struct ssb_init_invariants *iv);
95extern int ssb_pcmcia_hardware_setup(struct ssb_bus *bus);
96extern void ssb_pcmcia_exit(struct ssb_bus *bus);
97extern int ssb_pcmcia_init(struct ssb_bus *bus);
98extern int ssb_host_pcmcia_init(void);
99extern void ssb_host_pcmcia_exit(void);
100extern const struct ssb_bus_ops ssb_pcmcia_ops;
101#else /* CONFIG_SSB_PCMCIAHOST */
102static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
103 u8 coreidx)
104{
105 return 0;
106}
107static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
108 u8 seg)
109{
110 return 0;
111}
112static inline int ssb_pcmcia_hardware_setup(struct ssb_bus *bus)
113{
114 return 0;
115}
116static inline void ssb_pcmcia_exit(struct ssb_bus *bus)
117{
118}
119static inline int ssb_pcmcia_init(struct ssb_bus *bus)
120{
121 return 0;
122}
123static inline int ssb_host_pcmcia_init(void)
124{
125 return 0;
126}
127static inline void ssb_host_pcmcia_exit(void)
128{
129}
130#endif /* CONFIG_SSB_PCMCIAHOST */
131
132/* sdio.c */
133#ifdef CONFIG_SSB_SDIOHOST
134extern int ssb_sdio_get_invariants(struct ssb_bus *bus,
135 struct ssb_init_invariants *iv);
136
137extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset);
138extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx);
139extern void ssb_sdio_exit(struct ssb_bus *bus);
140extern int ssb_sdio_init(struct ssb_bus *bus);
141
142extern const struct ssb_bus_ops ssb_sdio_ops;
143#else /* CONFIG_SSB_SDIOHOST */
144static inline u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset)
145{
146 return 0;
147}
148static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
149{
150 return 0;
151}
152static inline void ssb_sdio_exit(struct ssb_bus *bus)
153{
154}
155static inline int ssb_sdio_init(struct ssb_bus *bus)
156{
157 return 0;
158}
159#endif /* CONFIG_SSB_SDIOHOST */
160
161/**************************************************
162 * host_soc.c
163 **************************************************/
164
165#ifdef CONFIG_SSB_HOST_SOC
166extern const struct ssb_bus_ops ssb_host_soc_ops;
167
168extern int ssb_host_soc_get_invariants(struct ssb_bus *bus,
169 struct ssb_init_invariants *iv);
170#endif
171
172/* scan.c */
173extern const char *ssb_core_name(u16 coreid);
174extern int ssb_bus_scan(struct ssb_bus *bus,
175 unsigned long baseaddr);
176extern void ssb_iounmap(struct ssb_bus *ssb);
177
178
179/* sprom.c */
180extern
181ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf,
182 int (*sprom_read)(struct ssb_bus *bus, u16 *sprom));
183extern
184ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,
185 const char *buf, size_t count,
186 int (*sprom_check_crc)(const u16 *sprom, size_t size),
187 int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom));
188extern int ssb_fill_sprom_with_fallback(struct ssb_bus *bus,
189 struct ssb_sprom *out);
190
191
192/* core.c */
193extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
194extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev);
195int ssb_for_each_bus_call(unsigned long data,
196 int (*func)(struct ssb_bus *bus, unsigned long data));
197extern struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev);
198
199struct ssb_freeze_context {
200 /* Pointer to the bus */
201 struct ssb_bus *bus;
202 /* Boolean list to indicate whether a device is frozen on this bus. */
203 bool device_frozen[SSB_MAX_NR_CORES];
204};
205extern int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx);
206extern int ssb_devices_thaw(struct ssb_freeze_context *ctx);
207
208
209
210/* b43_pci_bridge.c */
211#ifdef CONFIG_SSB_B43_PCI_BRIDGE
212extern int __init b43_pci_ssb_bridge_init(void);
213extern void __exit b43_pci_ssb_bridge_exit(void);
214#else /* CONFIG_SSB_B43_PCI_BRIDGE */
215static inline int b43_pci_ssb_bridge_init(void)
216{
217 return 0;
218}
219static inline void b43_pci_ssb_bridge_exit(void)
220{
221}
222#endif /* CONFIG_SSB_B43_PCI_BRIDGE */
223
224/* driver_chipcommon_pmu.c */
225extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc);
226extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc);
227extern u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc);
228
229extern u32 ssb_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
230 u32 ticks);
231extern u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
232
233/* driver_chipcommon_sflash.c */
234#ifdef CONFIG_SSB_SFLASH
235int ssb_sflash_init(struct ssb_chipcommon *cc);
236#else
237static inline int ssb_sflash_init(struct ssb_chipcommon *cc)
238{
239 pr_err("Serial flash not supported\n");
240 return 0;
241}
242#endif /* CONFIG_SSB_SFLASH */
243
244#ifdef CONFIG_SSB_DRIVER_MIPS
245extern struct platform_device ssb_pflash_dev;
246#endif
247
248#ifdef CONFIG_SSB_SFLASH
249extern struct platform_device ssb_sflash_dev;
250#endif
251
252#ifdef CONFIG_SSB_DRIVER_EXTIF
253extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks);
254extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
255#else
256static inline u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
257 u32 ticks)
258{
259 return 0;
260}
261static inline u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt,
262 u32 ms)
263{
264 return 0;
265}
266#endif
267
268#ifdef CONFIG_SSB_EMBEDDED
269extern int ssb_watchdog_register(struct ssb_bus *bus);
270#else /* CONFIG_SSB_EMBEDDED */
271static inline int ssb_watchdog_register(struct ssb_bus *bus)
272{
273 return 0;
274}
275#endif /* CONFIG_SSB_EMBEDDED */
276
277#ifdef CONFIG_SSB_DRIVER_EXTIF
278extern void ssb_extif_init(struct ssb_extif *extif);
279#else
280static inline void ssb_extif_init(struct ssb_extif *extif)
281{
282}
283#endif
284
285#ifdef CONFIG_SSB_DRIVER_GPIO
286extern int ssb_gpio_init(struct ssb_bus *bus);
287extern int ssb_gpio_unregister(struct ssb_bus *bus);
288#else /* CONFIG_SSB_DRIVER_GPIO */
289static inline int ssb_gpio_init(struct ssb_bus *bus)
290{
291 return -ENOTSUPP;
292}
293static inline int ssb_gpio_unregister(struct ssb_bus *bus)
294{
295 return 0;
296}
297#endif /* CONFIG_SSB_DRIVER_GPIO */
298
299#endif /* LINUX_SSB_PRIVATE_H_ */