git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-pxa/clock.h

   1 #include <asm/clkdev.h>
   2
   3 struct clkops {
   4         void                    (*enable)(struct clk *);
   5         void                    (*disable)(struct clk *);
   6         unsigned long           (*getrate)(struct clk *);
   7 };
   8
   9 struct clk {
  10         const struct clkops     *ops;
  11         unsigned long           rate;
  12         unsigned int            cken;
  13         unsigned int            delay;
  14         unsigned int            enabled;
  15         struct clk              *other;
  16 };
  17
  18 #define INIT_CLKREG(_clk,_devname,_conname)             \
  19         {                                               \
  20                 .clk            = _clk,                 \
  21                 .dev_id         = _devname,             \
  22                 .con_id         = _conname,             \
  23         }
  24
  25 #define DEFINE_CKEN(_name, _cken, _rate, _delay)        \
  26 struct clk clk_##_name = {                              \
  27                 .ops    = &clk_cken_ops,                \
  28                 .rate   = _rate,                        \
  29                 .cken   = CKEN_##_cken,                 \
  30                 .delay  = _delay,                       \
  31         }
  32
  33 #define DEFINE_CK(_name, _cken, _ops)                   \
  34 struct clk clk_##_name = {                              \
  35                 .ops    = _ops,                         \
  36                 .cken   = CKEN_##_cken,                 \
  37         }
  38
  39 #define DEFINE_CLK(_name, _ops, _rate, _delay)          \
  40 struct clk clk_##_name = {                              \
  41                 .ops    = _ops,                         \
  42                 .rate   = _rate,                        \
  43                 .delay  = _delay,                       \
  44         }
  45
  46 extern const struct clkops clk_cken_ops;
  47
  48 void clk_cken_enable(struct clk *clk);
  49 void clk_cken_disable(struct clk *clk);
  50
  51 #ifdef CONFIG_PXA3xx
  52 #define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay)   \
  53 struct clk clk_##_name = {                              \
  54                 .ops    = &clk_pxa3xx_cken_ops,         \
  55                 .rate   = _rate,                        \
  56                 .cken   = CKEN_##_cken,                 \
  57                 .delay  = _delay,                       \
  58         }
  59
  60 #define DEFINE_PXA3_CK(_name, _cken, _ops)              \
  61 struct clk clk_##_name = {                              \
  62                 .ops    = _ops,                         \
  63                 .cken   = CKEN_##_cken,                 \
  64         }
  65
  66 extern const struct clkops clk_pxa3xx_cken_ops;
  67 extern void clk_pxa3xx_cken_enable(struct clk *);
  68 extern void clk_pxa3xx_cken_disable(struct clk *);
  69 #endif
  70
  71 void clks_register(struct clk_lookup *clks, size_t num);
  72 int clk_add_alias(const char *alias, const char *alias_name, char *id,
  73         struct device *dev);
  74