target/linux/brcm47xx-2.6/files/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 <asm/io.h>
   7
   8
   9 #define PFX     "ssb: "
  10
  11 #ifdef CONFIG_SSB_SILENT
  12 # define ssb_printk(fmt, x...)  do { /* nothing */ } while (0)
  13 #else
  14 # define ssb_printk             printk
  15 #endif /* CONFIG_SSB_SILENT */
  16
  17 /* dprintk: Debugging printk; vanishes for non-debug compilation */
  18 #ifdef CONFIG_SSB_DEBUG
  19 # define ssb_dprintk(fmt, x...) ssb_printk(fmt ,##x)
  20 #else
  21 # define ssb_dprintk(fmt, x...) do { /* nothing */ } while (0)
  22 #endif
  23
  24 /* printkl: Rate limited printk */
  25 #define ssb_printkl(fmt, x...)  do {            \
  26         if (printk_ratelimit())                 \
  27                 ssb_printk(fmt ,##x);           \
  28                                 } while (0)
  29
  30 /* dprintkl: Rate limited debugging printk */
  31 #ifdef CONFIG_SSB_DEBUG
  32 # define ssb_dprintkl                   ssb_printkl
  33 #else
  34 # define ssb_dprintkl(fmt, x...)        do { /* nothing */ } while (0)
  35 #endif
  36
  37 #define assert(cond)    do {                                            \
  38         if (unlikely(!(cond))) {                                        \
  39                 ssb_dprintk(KERN_ERR PFX "BUG: Assertion failed (%s) "  \
  40                             "at: %s:%d:%s()\n",                         \
  41                             #cond, __FILE__, __LINE__, __func__);       \
  42         }                                                               \
  43                        } while (0)
  44
  45
  46 /* pci.c */
  47 #ifdef CONFIG_SSB_PCIHOST
  48 extern int ssb_pci_switch_core(struct ssb_bus *bus,
  49                                struct ssb_device *dev);
  50 extern int ssb_pci_switch_coreidx(struct ssb_bus *bus,
  51                                   u8 coreidx);
  52 extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
  53                         int turn_on);
  54 extern int ssb_pci_sprom_get(struct ssb_bus *bus);
  55 extern void ssb_pci_get_boardtype(struct ssb_bus *bus);
  56 extern void ssb_pci_exit(struct ssb_bus *bus);
  57 extern int ssb_pci_init(struct ssb_bus *bus);
  58 extern const struct ssb_bus_ops ssb_pci_ops;
  59
  60 #else /* CONFIG_SSB_PCIHOST */
  61
  62 static inline int ssb_pci_switch_core(struct ssb_bus *bus,
  63                                       struct ssb_device *dev)
  64 {
  65         return 0;
  66 }
  67 static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus,
  68                                          u8 coreidx)
  69 {
  70         return 0;
  71 }
  72 static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
  73                                int turn_on)
  74 {
  75         return 0;
  76 }
  77 static inline int ssb_pci_sprom_get(struct ssb_bus *bus)
  78 {
  79         return 0;
  80 }
  81 static inline void ssb_pci_get_boardtype(struct ssb_bus *bus)
  82 {
  83 }
  84 static inline void ssb_pci_exit(struct ssb_bus *bus)
  85 {
  86 }
  87 static inline int ssb_pci_init(struct ssb_bus *bus)
  88 {
  89         return 0;
  90 }
  91 #endif /* CONFIG_SSB_PCIHOST */
  92
  93
  94 /* pcmcia.c */
  95 #ifdef CONFIG_SSB_PCMCIAHOST
  96 extern int ssb_pcmcia_switch_core(struct ssb_bus *bus,
  97                                   struct ssb_device *dev);
  98 extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
  99                                      u8 coreidx);
 100 extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
 101                                      u8 seg);
 102 extern int ssb_pcmcia_init(struct ssb_bus *bus);
 103 extern const struct ssb_bus_ops ssb_pcmcia_ops;
 104 #else /* CONFIG_SSB_PCMCIAHOST */
 105 static inline int ssb_pcmcia_switch_core(struct ssb_bus *bus,
 106                                          struct ssb_device *dev)
 107 {
 108         return 0;
 109 }
 110 static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
 111                                             u8 coreidx)
 112 {
 113         return 0;
 114 }
 115 static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
 116                                             u8 seg)
 117 {
 118         return 0;
 119 }
 120 static inline int ssb_pcmcia_init(struct ssb_bus *bus)
 121 {
 122         return 0;
 123 }
 124 #endif /* CONFIG_SSB_PCMCIAHOST */
 125
 126
 127 /* scan.c */
 128 extern const char * ssb_core_name(u16 coreid);
 129 extern int ssb_bus_scan(struct ssb_bus *bus,
 130                         unsigned long baseaddr);
 131 extern void ssb_iounmap(struct ssb_bus *ssb);
 132
 133
 134 /* core.c */
 135 extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
 136 #ifdef CONFIG_SSB_PCIHOST
 137 extern int ssb_devices_freeze(struct ssb_bus *bus);
 138 extern int ssb_devices_thaw(struct ssb_bus *bus);
 139 extern struct ssb_bus * ssb_pci_dev_to_bus(struct pci_dev *pdev);
 140 #endif /* CONFIG_SSB_PCIHOST */
 141
 142
 143 /* Ceiling division helper. Divides x by y. */
 144 static inline
 145 unsigned long ceildiv(unsigned long x, unsigned long y)
 146 {
 147         return ((x + (y - 1)) / y);
 148 }
 149
 150
 151 #endif /* LINUX_SSB_PRIVATE_H_ */