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