arch/arm/mach-pxa/clock.h

   1 #include <linux/clkdev.h>
   2 #include <linux/sysdev.h>
   3
   4 struct clkops {
   5         void                    (*enable)(struct clk *);
   6         void                    (*disable)(struct clk *);
   7         unsigned long           (*getrate)(struct clk *);
   8 };
   9
  10 struct clk {
  11         const struct clkops     *ops;
  12         unsigned long           rate;
  13         unsigned int            cken;
  14         unsigned int            delay;
  15         unsigned int            enabled;
  16 };
  17
  18 void clk_dummy_enable(struct clk *);
  19 void clk_dummy_disable(struct clk *);
  20
  21 extern const struct clkops clk_dummy_ops;
  22 extern struct clk clk_dummy;
  23
  24 #define INIT_CLKREG(_clk,_devname,_conname)             \
  25         {                                               \
  26                 .clk            = _clk,                 \
  27                 .dev_id         = _devname,             \
  28                 .con_id         = _conname,             \
  29         }
  30
  31 #define DEFINE_CK(_name, _cken, _ops)                   \
  32 struct clk clk_##_name = {                              \
  33                 .ops    = _ops,                         \
  34                 .cken   = CKEN_##_cken,                 \
  35         }
  36
  37 #define DEFINE_CLK(_name, _ops, _rate, _delay)          \
  38 struct clk clk_##_name = {                              \
  39                 .ops    = _ops,                         \
  40                 .rate   = _rate,                        \
  41                 .delay  = _delay,                       \
  42         }
  43
  44 #define DEFINE_PXA2_CKEN(_name, _cken, _rate, _delay)   \
  45 struct clk clk_##_name = {                              \
  46                 .ops    = &clk_pxa2xx_cken_ops,         \
  47                 .rate   = _rate,                        \
  48                 .cken   = CKEN_##_cken,                 \
  49                 .delay  = _delay,                       \
  50         }
  51
  52 extern const struct clkops clk_pxa2xx_cken_ops;
  53
  54 void clk_pxa2xx_cken_enable(struct clk *clk);
  55 void clk_pxa2xx_cken_disable(struct clk *clk);
  56
  57 extern struct sysdev_class pxa2xx_clock_sysclass;
  58
  59 #if defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x)
  60 #define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay)   \
  61 struct clk clk_##_name = {                              \
  62                 .ops    = &clk_pxa3xx_cken_ops,         \
  63                 .rate   = _rate,                        \
  64                 .cken   = CKEN_##_cken,                 \
  65                 .delay  = _delay,                       \
  66         }
  67
  68 extern const struct clkops clk_pxa3xx_cken_ops;
  69 extern const struct clkops clk_pxa3xx_hsio_ops;
  70 extern const struct clkops clk_pxa3xx_ac97_ops;
  71 extern const struct clkops clk_pxa3xx_pout_ops;
  72 extern const struct clkops clk_pxa3xx_smemc_ops;
  73
  74 extern void clk_pxa3xx_cken_enable(struct clk *);
  75 extern void clk_pxa3xx_cken_disable(struct clk *);
  76
  77 extern struct sysdev_class pxa3xx_clock_sysclass;
  78 #endif