arch/arm/mach-pxa/clock.h

   1 #include <linux/clkdev.h>
   2 #include <linux/syscore_ops.h>
   3
   4 struct clkops {
   5         void                    (*enable)(struct clk *);
   6         void                    (*disable)(struct clk *);
   7         unsigned long           (*getrate)(struct clk *);
   8         int                     (*setrate)(struct clk *, unsigned long);
   9 };
  10
  11 struct clk {
  12         const struct clkops     *ops;
  13         unsigned long           rate;
  14         unsigned int            cken;
  15         unsigned int            delay;
  16         unsigned int            enabled;
  17 };
  18
  19 void clk_dummy_enable(struct clk *);
  20 void clk_dummy_disable(struct clk *);
  21
  22 extern const struct clkops clk_dummy_ops;
  23 extern struct clk clk_dummy;
  24
  25 #define INIT_CLKREG(_clk,_devname,_conname)             \
  26         {                                               \
  27                 .clk            = _clk,                 \
  28                 .dev_id         = _devname,             \
  29                 .con_id         = _conname,             \
  30         }
  31
  32 #define DEFINE_CK(_name, _cken, _ops)                   \
  33 struct clk clk_##_name = {                              \
  34                 .ops    = _ops,                         \
  35                 .cken   = CKEN_##_cken,                 \
  36         }
  37
  38 #define DEFINE_CLK(_name, _ops, _rate, _delay)          \
  39 struct clk clk_##_name = {                              \
  40                 .ops    = _ops,                         \
  41                 .rate   = _rate,                        \
  42                 .delay  = _delay,                       \
  43         }
  44
  45 #define DEFINE_PXA2_CKEN(_name, _cken, _rate, _delay)   \
  46 struct clk clk_##_name = {                              \
  47                 .ops    = &clk_pxa2xx_cken_ops,         \
  48                 .rate   = _rate,                        \
  49                 .cken   = CKEN_##_cken,                 \
  50                 .delay  = _delay,                       \
  51         }
  52
  53 extern const struct clkops clk_pxa2xx_cken_ops;
  54
  55 void clk_pxa2xx_cken_enable(struct clk *clk);
  56 void clk_pxa2xx_cken_disable(struct clk *clk);
  57
  58 extern struct syscore_ops pxa2xx_clock_syscore_ops;
  59
  60 #if defined(CONFIG_PXA3xx)
  61 #define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay)   \
  62 struct clk clk_##_name = {                              \
  63                 .ops    = &clk_pxa3xx_cken_ops,         \
  64                 .rate   = _rate,                        \
  65                 .cken   = CKEN_##_cken,                 \
  66                 .delay  = _delay,                       \
  67         }
  68
  69 extern const struct clkops clk_pxa3xx_cken_ops;
  70 extern const struct clkops clk_pxa3xx_hsio_ops;
  71 extern const struct clkops clk_pxa3xx_ac97_ops;
  72 extern const struct clkops clk_pxa3xx_pout_ops;
  73 extern const struct clkops clk_pxa3xx_smemc_ops;
  74
  75 extern void clk_pxa3xx_cken_enable(struct clk *);
  76 extern void clk_pxa3xx_cken_disable(struct clk *);
  77
  78 extern struct syscore_ops pxa3xx_clock_syscore_ops;
  79
  80 #endif