drivers/ssb/ssb_private.h

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